From 872abf298dc760989b78a90b65f5ae8b7753116a Mon Sep 17 00:00:00 2001
From: Clara van Staden <claravanstaden64@gmail.com>
Date: Thu, 8 Feb 2024 11:02:27 +0200
Subject: [PATCH] Update local setup (#110)
* cleanup local setup
* move contracts GA back to snowbridge repo
* adds missing files
* updates
* GA fixes
* fix GA
* add wasm target
* adds parity rust toolchain thingy
* updates
* remove rust custom toolchain
* custom build
* custom build
* adds files
* fmt check same as parity
* install nightly
* install nightly
* fmt
* taplo
* wasm build must be built for benchmarks
* add wasm target
* specify working dir for snowbridge tests
* reverts needs check
* move code coverage out to polkadot-sdk
* run on pr
* update script
* modify contribute script
* modify contribute script
* fix script
* brani nit
* fix last tweaks
* updates codeowners
* cleanup conf
* update codeowners
* cleanup
* test something
* revert
* update links
* fix code owners path
---------
Co-authored-by: claravanstaden <Cats 4 life!>
---
.github/CODEOWNERS | 76 +-
.github/ISSUE_TEMPLATE/blank.md | 4 -
.github/ISSUE_TEMPLATE/bug_report.yaml | 35 -
.github/ISSUE_TEMPLATE/config.yml | 7 -
.github/ISSUE_TEMPLATE/feature.yaml | 55 -
.github/dependabot.yml | 27 -
.github/review-bot.yml | 84 --
.github/runtime_specs/rococo.json | 17 -
.github/runtime_specs/westend.json | 17 -
.github/scripts/check-runtime.py | 124 --
.github/scripts/check-workspace.py | 162 ---
.github/scripts/common/lib.sh | 346 -----
.github/workflows/auto-label-issues.yml | 17 -
.../build-and-attach-release-runtimes.yml | 65 -
.github/workflows/check-features.yml | 19 -
.github/workflows/check-labels.yml | 57 -
.github/workflows/check-licenses.yml | 46 -
.github/workflows/check-links.yml | 41 -
.github/workflows/check-markdown.yml | 35 -
.github/workflows/check-prdoc.yml | 65 -
.github/workflows/check-publish.yml | 26 -
.github/workflows/check-runtimes.yml | 94 --
.github/workflows/check-workspace.yml | 23 -
.github/workflows/claim-crates.yml | 26 -
.github/workflows/fmt-check.yml | 23 -
.github/workflows/gitspiegel-trigger.yml | 34 -
.github/workflows/merge-queue.yml | 24 -
.github/workflows/notif-burnin-label.yml | 24 -
.github/workflows/parachain.yml | 277 ++++
.../workflows/release-10_rc-automation.yml | 113 --
.../workflows/release-50_publish-docker.yml | 290 ----
.../workflows/release-99_notif-published.yml | 61 -
.github/workflows/review-bot.yml | 32 -
.github/workflows/review-trigger.yml | 36 -
.github/workflows/srtool.yml | 135 --
Cargo.lock | 74 +-
Cargo.toml | 13 +
bridges/snowbridge/.gitignore | 17 +
bridges/snowbridge/Cargo.toml | 54 +
bridges/snowbridge/LICENSE | 201 +++
bridges/snowbridge/README.md | 134 ++
.../pallets/ethereum-client/Cargo.toml | 101 ++
.../pallets/ethereum-client/README.md | 3 +
.../pallets/ethereum-client/benchmark.md | 88 ++
.../ethereum-client/fixtures/Cargo.toml | 44 +
.../ethereum-client/fixtures/src/lib.rs | 1225 +++++++++++++++++
.../pallets/ethereum-client/fuzz/.gitignore | 5 +
.../pallets/ethereum-client/fuzz/Cargo.toml | 41 +
.../pallets/ethereum-client/fuzz/README.md | 21 +
.../fuzz_targets/fuzz_force_checkpoint.rs | 16 +
.../fuzz/fuzz_targets/fuzz_submit.rs | 16 +
.../fuzz_submit_execution_header.rs | 19 +
.../pallets/ethereum-client/fuzz/src/impls.rs | 220 +++
.../pallets/ethereum-client/fuzz/src/lib.rs | 2 +
.../pallets/ethereum-client/fuzz/src/types.rs | 83 ++
.../ethereum-client/src/benchmarking/mod.rs | 147 ++
.../ethereum-client/src/benchmarking/util.rs | 44 +
.../pallets/ethereum-client/src/config/mod.rs | 66 +
.../pallets/ethereum-client/src/functions.rs | 31 +
.../pallets/ethereum-client/src/impls.rs | 93 ++
.../pallets/ethereum-client/src/lib.rs | 843 ++++++++++++
.../pallets/ethereum-client/src/mock.rs | 149 ++
.../pallets/ethereum-client/src/tests.rs | 1017 ++++++++++++++
.../pallets/ethereum-client/src/types.rs | 38 +
.../pallets/ethereum-client/src/weights.rs | 68 +
.../fixtures/execution-header-update.json | 54 +
.../fixtures/finalized-header-update.json | 38 +
.../tests/fixtures/inbound-message.json | 31 +
.../tests/fixtures/initial-checkpoint.json | 542 ++++++++
.../next-finalized-header-update.json | 38 +
.../fixtures/next-sync-committee-update.json | 563 ++++++++
.../tests/fixtures/sync-committee-update.json | 563 ++++++++
.../pallets/inbound-queue/Cargo.toml | 102 ++
.../pallets/inbound-queue/README.md | 3 +
.../pallets/inbound-queue/fixtures/Cargo.toml | 44 +
.../pallets/inbound-queue/fixtures/src/lib.rs | 18 +
.../fixtures/src/register_token.rs | 41 +
.../register_token_with_insufficient_fee.rs | 42 +
.../inbound-queue/fixtures/src/send_token.rs | 41 +
.../fixtures/src/send_token_to_penpal.rs | 41 +
.../inbound-queue/src/benchmarking/mod.rs | 53 +
.../pallets/inbound-queue/src/envelope.rs | 50 +
.../pallets/inbound-queue/src/lib.rs | 372 +++++
.../pallets/inbound-queue/src/mock.rs | 348 +++++
.../pallets/inbound-queue/src/test.rs | 212 +++
.../pallets/inbound-queue/src/weights.rs | 31 +
.../pallets/outbound-queue/Cargo.toml | 82 ++
.../pallets/outbound-queue/README.md | 3 +
.../outbound-queue/merkle-tree/Cargo.toml | 38 +
.../outbound-queue/merkle-tree/README.md | 4 +
.../outbound-queue/merkle-tree/src/lib.rs | 464 +++++++
.../outbound-queue/runtime-api/Cargo.toml | 38 +
.../outbound-queue/runtime-api/README.md | 6 +
.../outbound-queue/runtime-api/src/lib.rs | 20 +
.../pallets/outbound-queue/src/api.rs | 30 +
.../outbound-queue/src/benchmarking.rs | 85 ++
.../pallets/outbound-queue/src/lib.rs | 406 ++++++
.../pallets/outbound-queue/src/mock.rs | 189 +++
.../src/process_message_impl.rs | 25 +
.../outbound-queue/src/send_message_impl.rs | 100 ++
.../pallets/outbound-queue/src/test.rs | 312 +++++
.../pallets/outbound-queue/src/types.rs | 59 +
.../pallets/outbound-queue/src/weights.rs | 81 ++
bridges/snowbridge/pallets/system/Cargo.toml | 87 ++
bridges/snowbridge/pallets/system/README.md | 3 +
.../pallets/system/runtime-api/Cargo.toml | 36 +
.../pallets/system/runtime-api/README.md | 3 +
.../pallets/system/runtime-api/src/lib.rs | 13 +
bridges/snowbridge/pallets/system/src/api.rs | 16 +
.../pallets/system/src/benchmarking.rs | 167 +++
bridges/snowbridge/pallets/system/src/lib.rs | 687 +++++++++
.../pallets/system/src/migration.rs | 74 +
bridges/snowbridge/pallets/system/src/mock.rs | 270 ++++
.../snowbridge/pallets/system/src/tests.rs | 633 +++++++++
.../snowbridge/pallets/system/src/weights.rs | 249 ++++
.../snowbridge/primitives/beacon/Cargo.toml | 57 +
.../snowbridge/primitives/beacon/README.md | 10 +
.../snowbridge/primitives/beacon/src/bits.rs | 19 +
.../snowbridge/primitives/beacon/src/bls.rs | 87 ++
.../primitives/beacon/src/config.rs | 10 +
.../snowbridge/primitives/beacon/src/lib.rs | 32 +
.../primitives/beacon/src/merkle_proof.rs | 58 +
.../primitives/beacon/src/receipt.rs | 96 ++
.../primitives/beacon/src/serde_utils.rs | 130 ++
.../snowbridge/primitives/beacon/src/ssz.rs | 278 ++++
.../snowbridge/primitives/beacon/src/types.rs | 641 +++++++++
.../primitives/beacon/src/updates.rs | 110 ++
bridges/snowbridge/primitives/core/Cargo.toml | 65 +
bridges/snowbridge/primitives/core/README.md | 4 +
.../snowbridge/primitives/core/src/inbound.rs | 74 +
bridges/snowbridge/primitives/core/src/lib.rs | 166 +++
.../primitives/core/src/operating_mode.rs | 25 +
.../primitives/core/src/outbound.rs | 413 ++++++
.../snowbridge/primitives/core/src/pricing.rs | 67 +
.../primitives/core/src/ringbuffer.rs | 76 +
.../snowbridge/primitives/core/src/tests.rs | 13 +
.../core/tests/fixtures/packet.scale | Bin 0 -> 386 bytes
.../snowbridge/primitives/core/tests/mod.rs | 14 +
.../snowbridge/primitives/ethereum/Cargo.toml | 56 +
.../snowbridge/primitives/ethereum/README.md | 4 +
.../primitives/ethereum/src/header.rs | 414 ++++++
.../snowbridge/primitives/ethereum/src/lib.rs | 36 +
.../snowbridge/primitives/ethereum/src/log.rs | 75 +
.../snowbridge/primitives/ethereum/src/mpt.rs | 142 ++
.../primitives/ethereum/src/receipt.rs | 139 ++
.../snowbridge/primitives/router/Cargo.toml | 66 +
.../snowbridge/primitives/router/README.md | 4 +
.../primitives/router/src/inbound/mod.rs | 312 +++++
.../primitives/router/src/inbound/tests.rs | 40 +
.../snowbridge/primitives/router/src/lib.rs | 6 +
.../primitives/router/src/outbound/mod.rs | 283 ++++
.../primitives/router/src/outbound/tests.rs | 1058 ++++++++++++++
.../runtime/runtime-common/Cargo.toml | 49 +
.../runtime/runtime-common/README.md | 3 +
.../runtime/runtime-common/src/lib.rs | 151 ++
.../runtime/runtime-common/src/tests.rs | 168 +++
.../snowbridge/runtime/test-common/Cargo.toml | 201 +++
.../snowbridge/runtime/test-common/README.md | 3 +
.../snowbridge/runtime/test-common/src/lib.rs | 484 +++++++
bridges/snowbridge/rustfmt.toml | 24 +
bridges/snowbridge/scripts/benchmark.sh | 15 +
.../snowbridge/scripts/contribute-upstream.sh | 80 ++
bridges/snowbridge/scripts/hexliteral.sh | 5 +
bridges/snowbridge/scripts/init.sh | 12 +
.../snowbridge/scripts/make-build-config.sh | 5 +
.../scripts/verify-pallets-build.sh | 116 ++
.../templates/benchmarking-fixtures.mustache | 179 +++
.../templates/module-weight-template.hbs | 74 +
.../templates/register_token.mustache | 45 +
.../snowbridge/templates/send_token.mustache | 45 +
.../bridges/bridge-hub-rococo/Cargo.toml | 7 -
.../bridges/bridge-hub-rococo/Cargo.toml | 12 +-
.../bridges/bridge-hub-rococo/src/lib.rs | 12 +-
.../assets/asset-hub-rococo/Cargo.toml | 2 +-
.../bridge-hubs/bridge-hub-rococo/Cargo.toml | 22 +-
.../runtimes/bridge-hubs/common/Cargo.toml | 2 +-
rust-toolchain.toml | 13 +
177 files changed, 19328 insertions(+), 2278 deletions(-)
delete mode 100644 .github/ISSUE_TEMPLATE/blank.md
delete mode 100644 .github/ISSUE_TEMPLATE/bug_report.yaml
delete mode 100644 .github/ISSUE_TEMPLATE/config.yml
delete mode 100644 .github/ISSUE_TEMPLATE/feature.yaml
delete mode 100644 .github/dependabot.yml
delete mode 100644 .github/review-bot.yml
delete mode 100644 .github/runtime_specs/rococo.json
delete mode 100644 .github/runtime_specs/westend.json
delete mode 100755 .github/scripts/check-runtime.py
delete mode 100644 .github/scripts/check-workspace.py
delete mode 100755 .github/scripts/common/lib.sh
delete mode 100644 .github/workflows/auto-label-issues.yml
delete mode 100644 .github/workflows/build-and-attach-release-runtimes.yml
delete mode 100644 .github/workflows/check-features.yml
delete mode 100644 .github/workflows/check-labels.yml
delete mode 100644 .github/workflows/check-licenses.yml
delete mode 100644 .github/workflows/check-links.yml
delete mode 100644 .github/workflows/check-markdown.yml
delete mode 100644 .github/workflows/check-prdoc.yml
delete mode 100644 .github/workflows/check-publish.yml
delete mode 100644 .github/workflows/check-runtimes.yml
delete mode 100644 .github/workflows/check-workspace.yml
delete mode 100644 .github/workflows/claim-crates.yml
delete mode 100644 .github/workflows/fmt-check.yml
delete mode 100644 .github/workflows/gitspiegel-trigger.yml
delete mode 100644 .github/workflows/merge-queue.yml
delete mode 100644 .github/workflows/notif-burnin-label.yml
create mode 100644 .github/workflows/parachain.yml
delete mode 100644 .github/workflows/release-10_rc-automation.yml
delete mode 100644 .github/workflows/release-50_publish-docker.yml
delete mode 100644 .github/workflows/release-99_notif-published.yml
delete mode 100644 .github/workflows/review-bot.yml
delete mode 100644 .github/workflows/review-trigger.yml
delete mode 100644 .github/workflows/srtool.yml
create mode 100644 bridges/snowbridge/.gitignore
create mode 100644 bridges/snowbridge/Cargo.toml
create mode 100644 bridges/snowbridge/LICENSE
create mode 100644 bridges/snowbridge/README.md
create mode 100644 bridges/snowbridge/pallets/ethereum-client/Cargo.toml
create mode 100644 bridges/snowbridge/pallets/ethereum-client/README.md
create mode 100644 bridges/snowbridge/pallets/ethereum-client/benchmark.md
create mode 100644 bridges/snowbridge/pallets/ethereum-client/fixtures/Cargo.toml
create mode 100644 bridges/snowbridge/pallets/ethereum-client/fixtures/src/lib.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/fuzz/.gitignore
create mode 100644 bridges/snowbridge/pallets/ethereum-client/fuzz/Cargo.toml
create mode 100644 bridges/snowbridge/pallets/ethereum-client/fuzz/README.md
create mode 100644 bridges/snowbridge/pallets/ethereum-client/fuzz/fuzz_targets/fuzz_force_checkpoint.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/fuzz/fuzz_targets/fuzz_submit.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/fuzz/fuzz_targets/fuzz_submit_execution_header.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/fuzz/src/impls.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/fuzz/src/lib.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/fuzz/src/types.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/src/benchmarking/mod.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/src/benchmarking/util.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/src/config/mod.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/src/functions.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/src/impls.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/src/lib.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/src/mock.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/src/tests.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/src/types.rs
create mode 100644 bridges/snowbridge/pallets/ethereum-client/src/weights.rs
create mode 100755 bridges/snowbridge/pallets/ethereum-client/tests/fixtures/execution-header-update.json
create mode 100755 bridges/snowbridge/pallets/ethereum-client/tests/fixtures/finalized-header-update.json
create mode 100644 bridges/snowbridge/pallets/ethereum-client/tests/fixtures/inbound-message.json
create mode 100755 bridges/snowbridge/pallets/ethereum-client/tests/fixtures/initial-checkpoint.json
create mode 100755 bridges/snowbridge/pallets/ethereum-client/tests/fixtures/next-finalized-header-update.json
create mode 100755 bridges/snowbridge/pallets/ethereum-client/tests/fixtures/next-sync-committee-update.json
create mode 100755 bridges/snowbridge/pallets/ethereum-client/tests/fixtures/sync-committee-update.json
create mode 100644 bridges/snowbridge/pallets/inbound-queue/Cargo.toml
create mode 100644 bridges/snowbridge/pallets/inbound-queue/README.md
create mode 100644 bridges/snowbridge/pallets/inbound-queue/fixtures/Cargo.toml
create mode 100644 bridges/snowbridge/pallets/inbound-queue/fixtures/src/lib.rs
create mode 100644 bridges/snowbridge/pallets/inbound-queue/fixtures/src/register_token.rs
create mode 100644 bridges/snowbridge/pallets/inbound-queue/fixtures/src/register_token_with_insufficient_fee.rs
create mode 100755 bridges/snowbridge/pallets/inbound-queue/fixtures/src/send_token.rs
create mode 100755 bridges/snowbridge/pallets/inbound-queue/fixtures/src/send_token_to_penpal.rs
create mode 100644 bridges/snowbridge/pallets/inbound-queue/src/benchmarking/mod.rs
create mode 100644 bridges/snowbridge/pallets/inbound-queue/src/envelope.rs
create mode 100644 bridges/snowbridge/pallets/inbound-queue/src/lib.rs
create mode 100644 bridges/snowbridge/pallets/inbound-queue/src/mock.rs
create mode 100644 bridges/snowbridge/pallets/inbound-queue/src/test.rs
create mode 100644 bridges/snowbridge/pallets/inbound-queue/src/weights.rs
create mode 100644 bridges/snowbridge/pallets/outbound-queue/Cargo.toml
create mode 100644 bridges/snowbridge/pallets/outbound-queue/README.md
create mode 100644 bridges/snowbridge/pallets/outbound-queue/merkle-tree/Cargo.toml
create mode 100644 bridges/snowbridge/pallets/outbound-queue/merkle-tree/README.md
create mode 100644 bridges/snowbridge/pallets/outbound-queue/merkle-tree/src/lib.rs
create mode 100644 bridges/snowbridge/pallets/outbound-queue/runtime-api/Cargo.toml
create mode 100644 bridges/snowbridge/pallets/outbound-queue/runtime-api/README.md
create mode 100644 bridges/snowbridge/pallets/outbound-queue/runtime-api/src/lib.rs
create mode 100644 bridges/snowbridge/pallets/outbound-queue/src/api.rs
create mode 100644 bridges/snowbridge/pallets/outbound-queue/src/benchmarking.rs
create mode 100644 bridges/snowbridge/pallets/outbound-queue/src/lib.rs
create mode 100644 bridges/snowbridge/pallets/outbound-queue/src/mock.rs
create mode 100644 bridges/snowbridge/pallets/outbound-queue/src/process_message_impl.rs
create mode 100644 bridges/snowbridge/pallets/outbound-queue/src/send_message_impl.rs
create mode 100644 bridges/snowbridge/pallets/outbound-queue/src/test.rs
create mode 100644 bridges/snowbridge/pallets/outbound-queue/src/types.rs
create mode 100644 bridges/snowbridge/pallets/outbound-queue/src/weights.rs
create mode 100644 bridges/snowbridge/pallets/system/Cargo.toml
create mode 100644 bridges/snowbridge/pallets/system/README.md
create mode 100644 bridges/snowbridge/pallets/system/runtime-api/Cargo.toml
create mode 100644 bridges/snowbridge/pallets/system/runtime-api/README.md
create mode 100644 bridges/snowbridge/pallets/system/runtime-api/src/lib.rs
create mode 100644 bridges/snowbridge/pallets/system/src/api.rs
create mode 100644 bridges/snowbridge/pallets/system/src/benchmarking.rs
create mode 100644 bridges/snowbridge/pallets/system/src/lib.rs
create mode 100644 bridges/snowbridge/pallets/system/src/migration.rs
create mode 100644 bridges/snowbridge/pallets/system/src/mock.rs
create mode 100644 bridges/snowbridge/pallets/system/src/tests.rs
create mode 100644 bridges/snowbridge/pallets/system/src/weights.rs
create mode 100644 bridges/snowbridge/primitives/beacon/Cargo.toml
create mode 100644 bridges/snowbridge/primitives/beacon/README.md
create mode 100644 bridges/snowbridge/primitives/beacon/src/bits.rs
create mode 100644 bridges/snowbridge/primitives/beacon/src/bls.rs
create mode 100644 bridges/snowbridge/primitives/beacon/src/config.rs
create mode 100644 bridges/snowbridge/primitives/beacon/src/lib.rs
create mode 100644 bridges/snowbridge/primitives/beacon/src/merkle_proof.rs
create mode 100644 bridges/snowbridge/primitives/beacon/src/receipt.rs
create mode 100644 bridges/snowbridge/primitives/beacon/src/serde_utils.rs
create mode 100644 bridges/snowbridge/primitives/beacon/src/ssz.rs
create mode 100644 bridges/snowbridge/primitives/beacon/src/types.rs
create mode 100644 bridges/snowbridge/primitives/beacon/src/updates.rs
create mode 100644 bridges/snowbridge/primitives/core/Cargo.toml
create mode 100644 bridges/snowbridge/primitives/core/README.md
create mode 100644 bridges/snowbridge/primitives/core/src/inbound.rs
create mode 100644 bridges/snowbridge/primitives/core/src/lib.rs
create mode 100644 bridges/snowbridge/primitives/core/src/operating_mode.rs
create mode 100644 bridges/snowbridge/primitives/core/src/outbound.rs
create mode 100644 bridges/snowbridge/primitives/core/src/pricing.rs
create mode 100644 bridges/snowbridge/primitives/core/src/ringbuffer.rs
create mode 100644 bridges/snowbridge/primitives/core/src/tests.rs
create mode 100644 bridges/snowbridge/primitives/core/tests/fixtures/packet.scale
create mode 100644 bridges/snowbridge/primitives/core/tests/mod.rs
create mode 100644 bridges/snowbridge/primitives/ethereum/Cargo.toml
create mode 100644 bridges/snowbridge/primitives/ethereum/README.md
create mode 100644 bridges/snowbridge/primitives/ethereum/src/header.rs
create mode 100644 bridges/snowbridge/primitives/ethereum/src/lib.rs
create mode 100644 bridges/snowbridge/primitives/ethereum/src/log.rs
create mode 100644 bridges/snowbridge/primitives/ethereum/src/mpt.rs
create mode 100644 bridges/snowbridge/primitives/ethereum/src/receipt.rs
create mode 100644 bridges/snowbridge/primitives/router/Cargo.toml
create mode 100644 bridges/snowbridge/primitives/router/README.md
create mode 100644 bridges/snowbridge/primitives/router/src/inbound/mod.rs
create mode 100644 bridges/snowbridge/primitives/router/src/inbound/tests.rs
create mode 100644 bridges/snowbridge/primitives/router/src/lib.rs
create mode 100644 bridges/snowbridge/primitives/router/src/outbound/mod.rs
create mode 100644 bridges/snowbridge/primitives/router/src/outbound/tests.rs
create mode 100644 bridges/snowbridge/runtime/runtime-common/Cargo.toml
create mode 100644 bridges/snowbridge/runtime/runtime-common/README.md
create mode 100644 bridges/snowbridge/runtime/runtime-common/src/lib.rs
create mode 100644 bridges/snowbridge/runtime/runtime-common/src/tests.rs
create mode 100644 bridges/snowbridge/runtime/test-common/Cargo.toml
create mode 100644 bridges/snowbridge/runtime/test-common/README.md
create mode 100644 bridges/snowbridge/runtime/test-common/src/lib.rs
create mode 100644 bridges/snowbridge/rustfmt.toml
create mode 100755 bridges/snowbridge/scripts/benchmark.sh
create mode 100755 bridges/snowbridge/scripts/contribute-upstream.sh
create mode 100755 bridges/snowbridge/scripts/hexliteral.sh
create mode 100755 bridges/snowbridge/scripts/init.sh
create mode 100755 bridges/snowbridge/scripts/make-build-config.sh
create mode 100755 bridges/snowbridge/scripts/verify-pallets-build.sh
create mode 100644 bridges/snowbridge/templates/benchmarking-fixtures.mustache
create mode 100644 bridges/snowbridge/templates/module-weight-template.hbs
create mode 100644 bridges/snowbridge/templates/register_token.mustache
create mode 100644 bridges/snowbridge/templates/send_token.mustache
create mode 100644 rust-toolchain.toml
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index fdaa0c8628f76..84c68219d51f2 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -1,75 +1 @@
-# Lists some code owners.
-#
-# A codeowner just oversees some part of the codebase. If an owned file is changed then the
-# corresponding codeowner receives a review request. An approval of the codeowner might be
-# required for merging a PR (depends on repository settings).
-#
-# For details about syntax, see:
-# https://help.github.com/en/articles/about-code-owners
-# But here are some important notes:
-#
-# - Glob syntax is git-like, e.g. `/core` means the core directory in the root, unlike `core`
-# which can be everywhere.
-# - Multiple owners are supported.
-# - Either handle (e.g, @github_user or @github/team) or email can be used. Keep in mind,
-# that handles might work better because they are more recognizable on GitHub,
-# eyou can use them for mentioning unlike an email.
-# - The latest matching rule, if multiple, takes precedence.
-
-# CI
-/.github/ @paritytech/ci @paritytech/release-engineering
-/.gitlab-ci.yml @paritytech/ci
-/.gitlab/ @paritytech/ci
-
-# XCM
-/polkadot/xcm/ @paritytech/xcm
-
-# WASM executor, low-level client <-> WASM interface and other WASM-related code
-/substrate/client/allocator/ @koute
-/substrate/client/executor/ @koute
-/substrate/primitives/panic-handler/ @koute
-/substrate/primitives/runtime-interface/ @koute
-/substrate/primitives/wasm-interface/ @koute
-/substrate/utils/wasm-builder/ @koute
-
-# Systems-related bits and bobs on the client side
-/substrate/client/sysinfo/ @koute
-/substrate/client/tracing/ @koute
-
-# Documentation audit
-/substrate/primitives/runtime @paritytech/docs-audit
-/substrate/primitives/arithmetic @paritytech/docs-audit
-# /primitives/core (to be added later)
-# /primitives/io (to be added later)
-
-# FRAME
-/substrate/frame/ @paritytech/frame-coders @paritytech/docs-audit
-/substrate/frame/nfts/ @jsidorenko @paritytech/docs-audit
-/substrate/frame/state-trie-migration/ @paritytech/frame-coders @cheme
-/substrate/frame/uniques/ @jsidorenko @paritytech/docs-audit
-
-# GRANDPA, BABE, consensus stuff
-/substrate/client/consensus/babe/ @andresilva
-/substrate/client/consensus/grandpa/ @andresilva
-/substrate/client/consensus/pow/ @sorpaas
-/substrate/client/consensus/slots/ @andresilva
-/substrate/frame/babe/ @andresilva
-/substrate/frame/grandpa/ @andresilva
-/substrate/primitives/consensus/pow/ @sorpaas
-
-# BEEFY, MMR
-/substrate/frame/beefy/ @acatangiu
-/substrate/frame/beefy-mmr/ @acatangiu
-/substrate/frame/merkle-mountain-range/ @acatangiu
-/substrate/primitives/merkle-mountain-range/ @acatangiu
-
-# Contracts
-/substrate/frame/contracts/ @athei @paritytech/docs-audit
-
-# NPoS and election
-/substrate/frame/election-provider-multi-phase/ @paritytech/staking-core @paritytech/docs-audit
-/substrate/frame/election-provider-support/ @paritytech/staking-core @paritytech/docs-audit
-/substrate/frame/elections-phragmen/ @paritytech/staking-core @paritytech/docs-audit
-/substrate/frame/nomination-pools/ @paritytech/staking-core @paritytech/docs-audit
-/substrate/frame/staking/ @paritytech/staking-core @paritytech/docs-audit
-/substrate/primitives/npos-elections/ @paritytech/staking-core @paritytech/docs-audit
+/bridges/snowbridge/*.rs @Snowfork/snowbridge-devs
diff --git a/.github/ISSUE_TEMPLATE/blank.md b/.github/ISSUE_TEMPLATE/blank.md
deleted file mode 100644
index 2a9137e728029..0000000000000
--- a/.github/ISSUE_TEMPLATE/blank.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-name: New blank issue
-about: New blank issue
----
diff --git a/.github/ISSUE_TEMPLATE/bug_report.yaml b/.github/ISSUE_TEMPLATE/bug_report.yaml
deleted file mode 100644
index f828a5d9d8931..0000000000000
--- a/.github/ISSUE_TEMPLATE/bug_report.yaml
+++ /dev/null
@@ -1,35 +0,0 @@
-name: Bug Report
-description: Let us know about an issue you experienced with this software
-labels: [ I2-bug, I10-unconfirmed ]
-
-body:
- - type: checkboxes
- attributes:
- label: Is there an existing issue?
- description: Please search to see if an issue already exists and leave a comment that you also experienced this issue or add your specifics that are related to an existing issue.
- options:
- - label: I have searched the existing issues
- required: true
- - type: checkboxes
- attributes:
- label: Experiencing problems? Have you tried our Stack Exchange first?
- description: Please search <https://substrate.stackexchange.com> to see if an post already exists, and ask if not. Please do not file support issues here.
- options:
- - label: This is not a support question.
- required: true
- - type: textarea
- id: bug
- attributes:
- label: Description of bug
- description: What seems to be the problem?
- # placeholder: Describe the problem.
- validations:
- required: true
- - type: textarea
- id: steps
- attributes:
- label: Steps to reproduce
- description: Provide the steps that led to the discovery of the issue.
- # placeholder: Describe what you were doing so we can reproduce the problem.
- validations:
- required: false
diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml
deleted file mode 100644
index e422e317411f3..0000000000000
--- a/.github/ISSUE_TEMPLATE/config.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-blank_issues_enabled: true
-contact_links:
- - name: Support & Troubleshooting with the Substrate Stack Exchange Community
- url: https://substrate.stackexchange.com
- about: |
- For general problems with Substrate or related technologies, please search here first
- for solutions, by keyword and tags. If you discover no solution, please then ask and questions in our community! We highly encourage everyone also share their understanding by answering questions for others.
diff --git a/.github/ISSUE_TEMPLATE/feature.yaml b/.github/ISSUE_TEMPLATE/feature.yaml
deleted file mode 100644
index 828e8b461ccc8..0000000000000
--- a/.github/ISSUE_TEMPLATE/feature.yaml
+++ /dev/null
@@ -1,55 +0,0 @@
-name: Feature Request
-description: Submit your requests and suggestions to improve!
-labels: [ I5-enhancement ]
-body:
- - type: checkboxes
- id: existing
- attributes:
- label: Is there an existing issue?
- description: Please search to see if an issue already exists and leave a comment that you also experienced this issue or add your specifics that are related to an existing issue.
- options:
- - label: I have searched the existing issues
- required: true
- - type: checkboxes
- id: stackexchange
- attributes:
- label: Experiencing problems? Have you tried our Stack Exchange first?
- description: Please search <https://substrate.stackexchange.com> to see if an post already exists, and ask if not. Please do not file support issues here.
- options:
- - label: This is not a support question.
- required: true
- - type: textarea
- id: motivation
- attributes:
- label: Motivation
- description: Please give precedence as to what lead you to file this issue.
- # placeholder: Describe ...
- validations:
- required: false
- - type: textarea
- id: request
- attributes:
- label: Request
- description: Please describe what is needed.
- # placeholder: Describe what you would like to see added or changed.
- validations:
- required: true
- - type: textarea
- id: solution
- attributes:
- label: Solution
- description: If possible, please describe what a solution could be.
- # placeholder: Describe what you would like to see added or changed.
- validations:
- required: false
- - type: dropdown
- id: help
- attributes:
- label: Are you willing to help with this request?
- multiple: true
- options:
- - Yes!
- - No.
- - Maybe (please elaborate above)
- validations:
- required: true
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
deleted file mode 100644
index 3277a6e4607a7..0000000000000
--- a/.github/dependabot.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-version: 2
-updates:
- # Update github actions:
- - package-ecosystem: github-actions
- directory: '/'
- labels: ["A1-insubstantial", "R0-silent"]
- schedule:
- interval: daily
- # Update Rust dependencies:
- - package-ecosystem: "cargo"
- directory: "/"
- labels: ["A1-insubstantial", "R0-silent"]
- schedule:
- interval: "daily"
- groups:
- # We assume these crates to be semver abiding and can therefore group them together.
- known_good_semver:
- patterns:
- - "syn"
- - "quote"
- - "log"
- - "paste"
- - "*serde*"
- - "clap"
- update-types:
- - "minor"
- - "patch"
diff --git a/.github/review-bot.yml b/.github/review-bot.yml
deleted file mode 100644
index ed719cefec8bc..0000000000000
--- a/.github/review-bot.yml
+++ /dev/null
@@ -1,84 +0,0 @@
-rules:
- - name: CI files
- countAuthor: true
- condition:
- include:
- - ^\.gitlab-ci\.yml
- - ^docker/.*
- - ^\.github/.*
- - ^\.gitlab/.*
- - ^\.config/nextest.toml
- - ^\.cargo/.*
- exclude:
- - ^\.gitlab/pipeline/zombienet.*
- type: "or"
- reviewers:
- - minApprovals: 2
- teams:
- - ci
- - minApprovals: 2
- teams:
- - core-devs
-
- - name: Core developers
- countAuthor: true
- condition:
- include:
- - .*
- # excluding files from 'Runtime files' and 'CI files' rules
- exclude:
- - ^cumulus/parachains/common/src/[^/]+\.rs$
- - ^substrate/frame/(?!.*(nfts/.*|uniques/.*|babe/.*|grandpa/.*|beefy|merkle-mountain-range/.*|contracts/.*|election|nomination-pools/.*|staking/.*|aura/.*))
- - ^\.gitlab-ci\.yml
- - ^docker/.*
- - ^\.github/.*
- - ^\.gitlab/.*
- - ^\.config/nextest.toml
- - ^\.cargo/.*
- minApprovals: 2
- type: basic
- teams:
- - core-devs
-
- # if there are any changes in the bridges subtree (in case of backport changes back to bridges repo)
- - name: Bridges subtree files
- type: basic
- condition:
- include:
- - ^bridges/.*
- minApprovals: 1
- teams:
- - bridges-core
-
- # substrate
- - name: FRAME coders substrate
- condition:
- include:
- - ^substrate/frame/(?!.*(nfts/.*|uniques/.*|babe/.*|grandpa/.*|beefy|merkle-mountain-range/.*|contracts/.*|election|nomination-pools/.*|staking/.*|aura/.*))
- type: "and"
- reviewers:
- - minApprovals: 2
- teams:
- - core-devs
- - minApprovals: 1
- teams:
- - frame-coders
-
- # Protection of THIS file
- - name: Review Bot
- countAuthor: true
- condition:
- include:
- - review-bot\.yml
- type: "and"
- reviewers:
- - minApprovals: 1
- teams:
- - opstooling
- - minApprovals: 1
- teams:
- - locks-review
-
-preventReviewRequests:
- teams:
- - core-devs
diff --git a/.github/runtime_specs/rococo.json b/.github/runtime_specs/rococo.json
deleted file mode 100644
index 6568b06400c8d..0000000000000
--- a/.github/runtime_specs/rococo.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
- "pallets": {
- "1": {
- "constants": {
- "EpochDuration": {
- "value": [ 88, 2, 0, 0, 0, 0, 0, 0 ]}
- }
- },
-
- "2": {
- "constants": {
- "MinimumPeriod": {
- "value": [ 184, 11, 0, 0, 0, 0, 0, 0 ]}
- }
- }
- }
- }
diff --git a/.github/runtime_specs/westend.json b/.github/runtime_specs/westend.json
deleted file mode 100644
index 6568b06400c8d..0000000000000
--- a/.github/runtime_specs/westend.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
- "pallets": {
- "1": {
- "constants": {
- "EpochDuration": {
- "value": [ 88, 2, 0, 0, 0, 0, 0, 0 ]}
- }
- },
-
- "2": {
- "constants": {
- "MinimumPeriod": {
- "value": [ 184, 11, 0, 0, 0, 0, 0, 0 ]}
- }
- }
- }
- }
diff --git a/.github/scripts/check-runtime.py b/.github/scripts/check-runtime.py
deleted file mode 100755
index 9f3d047e01f86..0000000000000
--- a/.github/scripts/check-runtime.py
+++ /dev/null
@@ -1,124 +0,0 @@
-#!/usr/bin/env python3
-
-import json
-import sys
-import logging
-import os
-
-
-def check_constant(spec_pallet_id, spec_pallet_value, meta_constant):
- """
- Check a single constant
-
- :param spec_pallet_id:
- :param spec_pallet_value:
- :param meta_constant:
- :return:
- """
- if meta_constant['name'] == list(spec_pallet_value.keys())[0]:
- constant = meta_constant['name']
- res = list(spec_pallet_value.values())[0]["value"] == meta_constant["value"]
-
- logging.debug(f" Checking pallet:{spec_pallet_id}/constants/{constant}")
- logging.debug(f" spec_pallet_value: {spec_pallet_value}")
- logging.debug(f" meta_constant: {meta_constant}")
- logging.info(f"pallet:{spec_pallet_id}/constants/{constant} -> {res}")
- return res
- else:
- # logging.warning(f" Skipping pallet:{spec_pallet_id}/constants/{meta_constant['name']}")
- pass
-
-
-def check_pallet(metadata, spec_pallet):
- """
- Check one pallet
-
- :param metadata:
- :param spec_pallet_id:
- :param spec_pallet_value:
- :return:
- """
-
- spec_pallet_id, spec_pallet_value = spec_pallet
- logging.debug(f"Pallet: {spec_pallet_id}")
-
- metadata_pallets = metadata["pallets"]
- metadata_pallet = metadata_pallets[spec_pallet_id]
-
- res = map(lambda meta_constant_value: check_constant(
- spec_pallet_id, spec_pallet_value["constants"], meta_constant_value),
- metadata_pallet["constants"].values())
- res = list(filter(lambda item: item is not None, res))
- return all(res)
-
-
-def check_pallets(metadata, specs):
- """
- CHeck all pallets
-
- :param metadata:
- :param specs:
- :return:
- """
-
- res = list(map(lambda spec_pallet: check_pallet(metadata, spec_pallet),
- specs['pallets'].items()))
- res = list(filter(lambda item: item is not None, res))
- return all(res)
-
-
-def check_metadata(metadata, specs):
- """
- Check metadata (json) against a list of expectations
-
- :param metadata: Metadata in JSON format
- :param expectation: Expectations
- :return: Bool
- """
-
- res = check_pallets(metadata, specs)
- return res
-
-
-def help():
- """ Show some simple help """
-
- print(f"You must pass 2 args, you passed {len(sys.argv) - 1}")
- print("Sample call:")
- print("check-runtime.py <metadata.json> <specs.json>")
-
-
-def load_json(file):
- """ Load json from a file """
-
- f = open(file)
- return json.load(f)
-
-
-def main():
- LOGLEVEL = os.environ.get('LOGLEVEL', 'INFO').upper()
- logging.basicConfig(level=LOGLEVEL)
-
- if len(sys.argv) != 3:
- help()
- exit(1)
-
- metadata_file = sys.argv[1]
- specs_file = sys.argv[2]
- print(f"Checking metadata from: {metadata_file} with specs from: {specs_file}")
-
- metadata = load_json(metadata_file)
- specs = load_json(specs_file)
-
- res = check_metadata(metadata, specs)
-
- if res:
- logging.info(f"OK")
- exit(0)
- else:
- print("")
- logging.info(f"Some errors were found, run again with LOGLEVEL=debug")
- exit(1)
-
-if __name__ == "__main__":
- main()
diff --git a/.github/scripts/check-workspace.py b/.github/scripts/check-workspace.py
deleted file mode 100644
index fb3b53acb0c56..0000000000000
--- a/.github/scripts/check-workspace.py
+++ /dev/null
@@ -1,162 +0,0 @@
-#!/usr/bin/env python3
-
-# Ensures that:
-# - all crates are added to the root workspace
-# - local dependencies are resolved via `path`
-#
-# It does not check that the local paths resolve to the correct crate. This is already done by cargo.
-#
-# Must be called with a folder containing a `Cargo.toml` workspace file.
-
-import os
-import sys
-import toml
-import argparse
-
-def parse_args():
- parser = argparse.ArgumentParser(description='Check Rust workspace integrity.')
-
- parser.add_argument('workspace_dir', help='The directory to check', metavar='workspace_dir', type=str, nargs=1)
- parser.add_argument('--exclude', help='Exclude crate paths from the check', metavar='exclude', type=str, nargs='*', default=[])
-
- args = parser.parse_args()
- return (args.workspace_dir[0], args.exclude)
-
-def main(root, exclude):
- workspace_crates = get_members(root, exclude)
- all_crates = get_crates(root, exclude)
- print(f'📦 Found {len(all_crates)} crates in total')
-
- check_missing(workspace_crates, all_crates)
- check_links(all_crates)
-
-# Extract all members from a workspace.
-# Return: list of all workspace paths
-def get_members(workspace_dir, exclude):
- print(f'🔎 Indexing workspace {os.path.abspath(workspace_dir)}')
-
- root_manifest_path = os.path.join(workspace_dir, "Cargo.toml")
- if not os.path.exists(root_manifest_path):
- print(f'❌ No root manifest found at {root_manifest}')
- sys.exit(1)
-
- root_manifest = toml.load(root_manifest_path)
- if not 'workspace' in root_manifest:
- print(f'❌ No workspace found in root {root_manifest_path}')
- sys.exit(1)
-
- if not 'members' in root_manifest['workspace']:
- return []
-
- members = []
- for member in root_manifest['workspace']['members']:
- if member in exclude:
- print(f'❌ Excluded member should not appear in the workspace {member}')
- sys.exit(1)
- members.append(member)
-
- return members
-
-# List all members of the workspace.
-# Return: Map name -> (path, manifest)
-def get_crates(workspace_dir, exclude_crates) -> dict:
- crates = {}
-
- for root, dirs, files in os.walk(workspace_dir):
- if "target" in root:
- continue
- for file in files:
- if file != "Cargo.toml":
- continue
-
- path = os.path.join(root, file)
- with open(path, "r") as f:
- content = f.read()
- manifest = toml.loads(content)
-
- if 'workspace' in manifest:
- if root != workspace_dir:
- print("⏩ Excluded recursive workspace at %s" % path)
- continue
-
- # Cut off the root path and the trailing /Cargo.toml.
- path = path[len(workspace_dir)+1:-11]
- name = manifest['package']['name']
- if path in exclude_crates:
- print("⏩ Excluded crate %s at %s" % (name, path))
- continue
- crates[name] = (path, manifest)
-
- return crates
-
-# Check that all crates are in the workspace.
-def check_missing(workspace_crates, all_crates):
- print(f'🔎 Checking for missing crates')
- if len(workspace_crates) == len(all_crates):
- print(f'✅ All {len(all_crates)} crates are in the workspace')
- return
-
- missing = []
- # Find out which ones are missing.
- for name, (path, manifest) in all_crates.items():
- if not path in workspace_crates:
- missing.append([name, path, manifest])
- missing.sort()
-
- for name, path, _manifest in missing:
- print("❌ %s in %s" % (name, path))
- print(f'😱 {len(all_crates) - len(workspace_crates)} crates are missing from the workspace')
- sys.exit(1)
-
-# Check that all local dependencies are good.
-def check_links(all_crates):
- print(f'🔎 Checking for broken dependency links')
- links = []
- broken = []
-
- for name, (path, manifest) in all_crates.items():
- def check_deps(deps):
- for dep in deps:
- # Could be renamed:
- dep_name = dep
- if 'package' in deps[dep]:
- dep_name = deps[dep]['package']
- if dep_name in all_crates:
- links.append((name, dep_name))
-
- if not 'path' in deps[dep]:
- broken.append((name, dep_name, "crate must be linked via `path`"))
- return
-
- def check_crate(deps):
- to_checks = ['dependencies', 'dev-dependencies', 'build-dependencies']
-
- for to_check in to_checks:
- if to_check in deps:
- check_deps(deps[to_check])
-
- # There could possibly target dependant deps:
- if 'target' in manifest:
- # Target dependant deps can only have one level of nesting:
- for _, target in manifest['target'].items():
- check_crate(target)
-
- check_crate(manifest)
-
-
-
- links.sort()
- broken.sort()
-
- if len(broken) > 0:
- for (l, r, reason) in broken:
- print(f'❌ {l} -> {r} ({reason})')
-
- print("💥 %d out of %d links are broken" % (len(broken), len(links)))
- sys.exit(1)
- else:
- print("✅ All %d internal dependency links are correct" % len(links))
-
-if __name__ == "__main__":
- args = parse_args()
- main(args[0], args[1])
diff --git a/.github/scripts/common/lib.sh b/.github/scripts/common/lib.sh
deleted file mode 100755
index bd12d9c6e6ff7..0000000000000
--- a/.github/scripts/common/lib.sh
+++ /dev/null
@@ -1,346 +0,0 @@
-#!/bin/sh
-
-api_base="https://api.github.com/repos"
-
-# Function to take 2 git tags/commits and get any lines from commit messages
-# that contain something that looks like a PR reference: e.g., (#1234)
-sanitised_git_logs(){
- git --no-pager log --pretty=format:"%s" "$1...$2" |
- # Only find messages referencing a PR
- grep -E '\(#[0-9]+\)' |
- # Strip any asterisks
- sed 's/^* //g'
-}
-
-# Checks whether a tag on github has been verified
-# repo: 'organization/repo'
-# tagver: 'v1.2.3'
-# Usage: check_tag $repo $tagver
-check_tag () {
- repo=$1
- tagver=$2
- if [ -n "$GITHUB_RELEASE_TOKEN" ]; then
- echo '[+] Fetching tag using privileged token'
- tag_out=$(curl -H "Authorization: token $GITHUB_RELEASE_TOKEN" -s "$api_base/$repo/git/refs/tags/$tagver")
- else
- echo '[+] Fetching tag using unprivileged token'
- tag_out=$(curl -H "Authorization: token $GITHUB_PR_TOKEN" -s "$api_base/$repo/git/refs/tags/$tagver")
- fi
- tag_sha=$(echo "$tag_out" | jq -r .object.sha)
- object_url=$(echo "$tag_out" | jq -r .object.url)
- if [ "$tag_sha" = "null" ]; then
- return 2
- fi
- echo "[+] Tag object SHA: $tag_sha"
- verified_str=$(curl -H "Authorization: token $GITHUB_RELEASE_TOKEN" -s "$object_url" | jq -r .verification.verified)
- if [ "$verified_str" = "true" ]; then
- # Verified, everything is good
- return 0
- else
- # Not verified. Bad juju.
- return 1
- fi
-}
-
-# Checks whether a given PR has a given label.
-# repo: 'organization/repo'
-# pr_id: 12345
-# label: B1-silent
-# Usage: has_label $repo $pr_id $label
-has_label(){
- repo="$1"
- pr_id="$2"
- label="$3"
-
- # These will exist if the function is called in Gitlab.
- # If the function's called in Github, we should have GITHUB_ACCESS_TOKEN set
- # already.
- if [ -n "$GITHUB_RELEASE_TOKEN" ]; then
- GITHUB_TOKEN="$GITHUB_RELEASE_TOKEN"
- elif [ -n "$GITHUB_PR_TOKEN" ]; then
- GITHUB_TOKEN="$GITHUB_PR_TOKEN"
- fi
-
- out=$(curl -H "Authorization: token $GITHUB_TOKEN" -s "$api_base/$repo/pulls/$pr_id")
- [ -n "$(echo "$out" | tr -d '\r\n' | jq ".labels | .[] | select(.name==\"$label\")")" ]
-}
-
-github_label () {
- echo
- echo "# run github-api job for labeling it ${1}"
- curl -sS -X POST \
- -F "token=${CI_JOB_TOKEN}" \
- -F "ref=master" \
- -F "variables[LABEL]=${1}" \
- -F "variables[PRNO]=${CI_COMMIT_REF_NAME}" \
- -F "variables[PROJECT]=paritytech/polkadot" \
- "${GITLAB_API}/projects/${GITHUB_API_PROJECT}/trigger/pipeline"
-}
-
-# Formats a message into a JSON string for posting to Matrix
-# message: 'any plaintext message'
-# formatted_message: '<strong>optional message formatted in <em>html</em></strong>'
-# Usage: structure_message $content $formatted_content (optional)
-structure_message() {
- if [ -z "$2" ]; then
- body=$(jq -Rs --arg body "$1" '{"msgtype": "m.text", $body}' < /dev/null)
- else
- body=$(jq -Rs --arg body "$1" --arg formatted_body "$2" '{"msgtype": "m.text", $body, "format": "org.matrix.custom.html", $formatted_body}' < /dev/null)
- fi
- echo "$body"
-}
-
-# Post a message to a matrix room
-# body: '{body: "JSON string produced by structure_message"}'
-# room_id: !fsfSRjgjBWEWffws:matrix.parity.io
-# access_token: see https://matrix.org/docs/guides/client-server-api/
-# Usage: send_message $body (json formatted) $room_id $access_token
-send_message() {
- curl -XPOST -d "$1" "https://m.parity.io/_matrix/client/r0/rooms/$2/send/m.room.message?access_token=$3"
-}
-
-# Pretty-printing functions
-boldprint () { printf "|\n| \033[1m%s\033[0m\n|\n" "${@}"; }
-boldcat () { printf "|\n"; while read -r l; do printf "| \033[1m%s\033[0m\n" "${l}"; done; printf "|\n" ; }
-
-skip_if_companion_pr() {
- url="https://api.github.com/repos/paritytech/polkadot/pulls/${CI_COMMIT_REF_NAME}"
- echo "[+] API URL: $url"
-
- pr_title=$(curl -sSL -H "Authorization: token ${GITHUB_PR_TOKEN}" "$url" | jq -r .title)
- echo "[+] PR title: $pr_title"
-
- if echo "$pr_title" | grep -qi '^companion'; then
- echo "[!] PR is a companion PR. Build is already done in substrate"
- exit 0
- else
- echo "[+] PR is not a companion PR. Proceeding test"
- fi
-}
-
-# Fetches the tag name of the latest release from a repository
-# repo: 'organisation/repo'
-# Usage: latest_release 'paritytech/polkadot'
-latest_release() {
- curl -s "$api_base/$1/releases/latest" | jq -r '.tag_name'
-}
-
-# Check for runtime changes between two commits. This is defined as any changes
-# to /primitives/src/* and any *production* chains under /runtime
-has_runtime_changes() {
- from=$1
- to=$2
-
- if git diff --name-only "${from}...${to}" \
- | grep -q -e '^runtime/polkadot' -e '^runtime/kusama' -e '^primitives/src/' -e '^runtime/common'
- then
- return 0
- else
- return 1
- fi
-}
-
-# given a bootnode and the path to a chainspec file, this function will create a new chainspec file
-# with only the bootnode specified and test whether that bootnode provides peers
-# The optional third argument is the index of the bootnode in the list of bootnodes, this is just used to pick an ephemeral
-# port for the node to run on. If you're only testing one, it'll just use the first ephemeral port
-# BOOTNODE: /dns/polkadot-connect-0.parity.io/tcp/443/wss/p2p/12D3KooWEPmjoRpDSUuiTjvyNDd8fejZ9eNWH5bE965nyBMDrB4o
-# CHAINSPEC_FILE: /path/to/polkadot.json
-check_bootnode(){
- BOOTNODE=$1
- BASE_CHAINSPEC=$2
- RUNTIME=$(basename "$BASE_CHAINSPEC" | cut -d '.' -f 1)
- MIN_PEERS=1
-
- # Generate a temporary chainspec file containing only the bootnode we care about
- TMP_CHAINSPEC_FILE="$RUNTIME.$(echo "$BOOTNODE" | tr '/' '_').tmp.json"
- jq ".bootNodes = [\"$BOOTNODE\"] " < "$CHAINSPEC_FILE" > "$TMP_CHAINSPEC_FILE"
-
- # Grab an unused port by binding to port 0 and then immediately closing the socket
- # This is a bit of a hack, but it's the only way to do it in the shell
- RPC_PORT=$(python -c "import socket; s=socket.socket(); s.bind(('', 0)); print(s.getsockname()[1]); s.close()")
-
- echo "[+] Checking bootnode $BOOTNODE"
- polkadot --chain "$TMP_CHAINSPEC_FILE" --no-mdns --rpc-port="$RPC_PORT" --tmp > /dev/null 2>&1 &
- # Wait a few seconds for the node to start up
- sleep 5
- POLKADOT_PID=$!
-
- MAX_POLLS=10
- TIME_BETWEEN_POLLS=3
- for _ in $(seq 1 "$MAX_POLLS"); do
- # Check the health endpoint of the RPC node
- PEERS="$(curl -s -X POST -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"system_health","params":[],"id":1}' http://localhost:"$RPC_PORT" | jq -r '.result.peers')"
- # Sometimes due to machine load or other reasons, we don't get a response from the RPC node
- # If $PEERS is an empty variable, make it 0 so we can still do the comparison
- if [ -z "$PEERS" ]; then
- PEERS=0
- fi
- if [ "$PEERS" -ge $MIN_PEERS ]; then
- echo "[+] $PEERS peers found for $BOOTNODE"
- echo " Bootnode appears contactable"
- kill $POLKADOT_PID
- # Delete the temporary chainspec file now we're done running the node
- rm "$TMP_CHAINSPEC_FILE"
- return 0
- fi
- sleep "$TIME_BETWEEN_POLLS"
- done
- kill $POLKADOT_PID
- # Delete the temporary chainspec file now we're done running the node
- rm "$TMP_CHAINSPEC_FILE"
- echo "[!] No peers found for $BOOTNODE"
- echo " Bootnode appears unreachable"
- return 1
-}
-
-# Assumes the ENV are set:
-# - RELEASE_ID
-# - GITHUB_TOKEN
-# - REPO in the form paritytech/polkadot
-fetch_release_artifacts() {
- echo "Release ID : $RELEASE_ID"
- echo "Repo : $REPO"
- echo "Binary : $BINARY"
- OUTPUT_DIR=${OUTPUT_DIR:-"./release-artifacts/${BINARY}"}
- echo "OUTPUT_DIR : $OUTPUT_DIR"
-
- echo "Fetching release info..."
- curl -L -s \
- -H "Accept: application/vnd.github+json" \
- -H "Authorization: Bearer ${GITHUB_TOKEN}" \
- -H "X-GitHub-Api-Version: 2022-11-28" \
- https://api.github.com/repos/${REPO}/releases/${RELEASE_ID} > release.json
-
- echo "Extract asset ids..."
- ids=($(jq -r '.assets[].id' < release.json ))
- echo "Extract asset count..."
- count=$(jq '.assets|length' < release.json )
-
- # Fetch artifacts
- mkdir -p "$OUTPUT_DIR"
- pushd "$OUTPUT_DIR" > /dev/null
-
- echo "Fetching assets..."
- iter=1
- for id in "${ids[@]}"
- do
- echo " - $iter/$count: downloading asset id: $id..."
- curl -s -OJ -L -H "Accept: application/octet-stream" \
- -H "Authorization: Token ${GITHUB_TOKEN}" \
- "https://api.github.com/repos/${REPO}/releases/assets/$id"
- iter=$((iter + 1))
- done
-
- pwd
- ls -al --color
- popd > /dev/null
-}
-
-# Check the checksum for a given binary
-function check_sha256() {
- echo "Checking SHA256 for $1"
- shasum -qc $1.sha256
-}
-
-# Import GPG keys of the release team members
-# This is done in parallel as it can take a while sometimes
-function import_gpg_keys() {
- GPG_KEYSERVER=${GPG_KEYSERVER:-"keyserver.ubuntu.com"}
- SEC="9D4B2B6EB8F97156D19669A9FF0812D491B96798"
- WILL="2835EAF92072BC01D188AF2C4A092B93E97CE1E2"
- EGOR="E6FC4D4782EB0FA64A4903CCDB7D3555DD3932D3"
- MARA="533C920F40E73A21EEB7E9EBF27AEA7E7594C9CF"
- MORGAN="2E92A9D8B15D7891363D1AE8AF9E6C43F7F8C4CF"
-
- echo "Importing GPG keys from $GPG_KEYSERVER in parallel"
- for key in $SEC $WILL $EGOR $MARA $MORGAN; do
- (
- echo "Importing GPG key $key"
- gpg --no-tty --quiet --keyserver $GPG_KEYSERVER --recv-keys $key
- echo -e "5\ny\n" | gpg --no-tty --command-fd 0 --expert --edit-key $key trust;
- ) &
- done
- wait
-}
-
-# Check the GPG signature for a given binary
-function check_gpg() {
- echo "Checking GPG Signature for $1"
- gpg --no-tty --verify -q $1.asc $1
-}
-
-# GITHUB_REF will typically be like:
-# - refs/heads/release-v1.2.3
-# - refs/heads/release-polkadot-v1.2.3-rc2
-# This function extracts the version
-function get_version_from_ghref() {
- GITHUB_REF=$1
- stripped=${GITHUB_REF#refs/heads/release-}
- re="v([0-9]+\.[0-9]+\.[0-9]+)"
- if [[ $stripped =~ $re ]]; then
- echo ${BASH_REMATCH[0]};
- return 0
- else
- return 1
- fi
-}
-
-# Get latest rc tag based on the release version and product
-function get_latest_rc_tag() {
- version=$1
- product=$2
-
- if [[ "$product" == "polkadot" ]]; then
- last_rc=$(git tag -l "$version-rc*" | sort -V | tail -n 1)
- elif [[ "$product" == "polkadot-parachain" ]]; then
- last_rc=$(git tag -l "polkadot-parachains-$version-rc*" | sort -V | tail -n 1)
- fi
- echo "${last_rc}"
-}
-
-# Increment rc tag number based on the value of a suffix of the current rc tag
-function increment_rc_tag() {
- last_rc=$1
-
- suffix=$(echo "$last_rc" | grep -Eo '[0-9]+$')
- ((suffix++))
- echo $suffix
-}
-
-function relative_parent() {
- echo "$1" | sed -E 's/(.*)\/(.*)\/\.\./\1/g'
-}
-
-# Find all the runtimes, it returns the result as JSON object, compatible to be
-# used as Github Workflow Matrix. This call is exposed by the `scan` command and can be used as:
-# podman run --rm -it -v /.../fellowship-runtimes:/build docker.io/chevdor/srtool:1.70.0-0.11.1 scan
-function find_runtimes() {
- libs=($(git grep -I -r --cached --max-depth 20 --files-with-matches 'construct_runtime!' -- '*lib.rs'))
- re=".*-runtime$"
- JSON=$(jq --null-input '{ "include": [] }')
-
- # EXCLUDED_RUNTIMES is a space separated list of runtime names (without the -runtime postfix)
- # EXCLUDED_RUNTIMES=${EXCLUDED_RUNTIMES:-"substrate-test"}
- IFS=' ' read -r -a exclusions <<< "$EXCLUDED_RUNTIMES"
-
- for lib in "${libs[@]}"; do
- crate_dir=$(dirname "$lib")
- cargo_toml="$crate_dir/../Cargo.toml"
-
- name=$(toml get -r $cargo_toml 'package.name')
- chain=${name//-runtime/}
-
- if [[ "$name" =~ $re ]] && ! [[ ${exclusions[@]} =~ $chain ]]; then
- lib_dir=$(dirname "$lib")
- runtime_dir=$(relative_parent "$lib_dir/..")
- ITEM=$(jq --null-input \
- --arg chain "$chain" \
- --arg name "$name" \
- --arg runtime_dir "$runtime_dir" \
- '{ "chain": $chain, "crate": $name, "runtime_dir": $runtime_dir }')
- JSON=$(echo $JSON | jq ".include += [$ITEM]")
- fi
- done
- echo $JSON
-}
diff --git a/.github/workflows/auto-label-issues.yml b/.github/workflows/auto-label-issues.yml
deleted file mode 100644
index 12ffce702cdcc..0000000000000
--- a/.github/workflows/auto-label-issues.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-# If the author of the issues is not a contributor to the project, label
-# the issue with 'Z0-unconfirmed'
-
-name: Label New Issues
-on:
- issues:
- types: [opened]
-
-jobs:
- label-new-issues:
- runs-on: ubuntu-latest
- steps:
- - name: Label drafts
- uses: andymckay/labeler@e6c4322d0397f3240f0e7e30a33b5c5df2d39e90 # 1.0.4
- if: github.event.issue.author_association == 'NONE'
- with:
- add-labels: "I10-unconfirmed"
diff --git a/.github/workflows/build-and-attach-release-runtimes.yml b/.github/workflows/build-and-attach-release-runtimes.yml
deleted file mode 100644
index 680a9ecffd312..0000000000000
--- a/.github/workflows/build-and-attach-release-runtimes.yml
+++ /dev/null
@@ -1,65 +0,0 @@
-name: Build and Attach Runtimes to Releases/RC
-
-on:
- release:
- types:
- - published
-
-env:
- PROFILE: production
-
-jobs:
- build_and_upload:
- strategy:
- matrix:
- runtime:
- - { name: westend, package: westend-runtime, path: polkadot/runtime/westend }
- - { name: rococo, package: rococo-runtime, path: polkadot/runtime/rococo }
- - { name: asset-hub-rococo, package: asset-hub-rococo-runtime, path: cumulus/parachains/runtimes/assets/asset-hub-rococo }
- - { name: asset-hub-westend, package: asset-hub-westend-runtime, path: cumulus/parachains/runtimes/assets/asset-hub-westend }
- - { name: bridge-hub-rococo, package: bridge-hub-rococo-runtime, path: cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo }
- - { name: contracts-rococo, package: contracts-rococo-runtime, path: cumulus/parachains/runtimes/contracts/contracts-rococo }
- - { name: collectives-westend, package: collectives-westend-runtime, path: cumulus/parachains/runtimes/collectives/collectives-westend }
- - { name: glutton-westend, package: glutton-westend-runtime, path: cumulus/parachains/runtimes/glutton/glutton-westend }
- build_config:
- # Release build has logging disabled and no dev features
- - { type: on-chain-release, opts: --features on-chain-release-build }
- # Debug build has logging enabled and developer features
- - { type: dev-debug-build, opts: --features try-runtime }
-
- runs-on: ubuntu-22.04
-
- steps:
- - name: Checkout code
- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-
- - name: Build ${{ matrix.runtime.name }} ${{ matrix.build_config.type }}
- id: srtool_build
- uses: chevdor/srtool-actions@v0.9.2
- env:
- BUILD_OPTS: ${{ matrix.build_config.opts }}
- with:
- chain: ${{ matrix.runtime.name }}
- package: ${{ matrix.runtime.package }}
- runtime_dir: ${{ matrix.runtime.path }}
- profile: ${{ env.PROFILE }}
-
- - name: Set up paths and runtime names
- id: setup
- run: |
- RUNTIME_BLOB_NAME=$(echo ${{ matrix.runtime.package }} | sed 's/-/_/g').compact.compressed.wasm
- PREFIX=${{ matrix.build_config.type == 'dev-debug-build' && 'DEV_DEBUG_BUILD__' || '' }}
-
- echo "RUNTIME_BLOB_NAME=$RUNTIME_BLOB_NAME" >> $GITHUB_ENV
- echo "ASSET_PATH=./${{ matrix.runtime.path }}/target/srtool/${{ env.PROFILE }}/wbuild/${{ matrix.runtime.package }}/$RUNTIME_BLOB_NAME" >> $GITHUB_ENV
- echo "ASSET_NAME=$PREFIX$RUNTIME_BLOB_NAME" >> $GITHUB_ENV
-
- - name: Upload Runtime to Release
- uses: actions/upload-release-asset@v1
- with:
- upload_url: ${{ github.event.release.upload_url }}
- asset_path: ${{ env.ASSET_PATH }}
- asset_name: ${{ env.ASSET_NAME }}
- asset_content_type: application/octet-stream
- env:
- GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/check-features.yml b/.github/workflows/check-features.yml
deleted file mode 100644
index 53d6ac6b4dbfd..0000000000000
--- a/.github/workflows/check-features.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-name: Check Features
-
-on:
- pull_request:
- types: [opened, synchronize, reopened, ready_for_review]
-
-jobs:
- check-features:
- runs-on: ubuntu-latest
- steps:
- - name: Fetch latest code
- uses: actions/checkout@v4
- - name: Check
- uses: hack-ink/cargo-featalign-action@bea88a864d6ca7d0c53c26f1391ce1d431dc7f34 # v0.1.1
- with:
- crate: substrate/bin/node/runtime
- features: std,runtime-benchmarks,try-runtime
- ignore: sc-executor
- default-std: true
diff --git a/.github/workflows/check-labels.yml b/.github/workflows/check-labels.yml
deleted file mode 100644
index 97562f0da0956..0000000000000
--- a/.github/workflows/check-labels.yml
+++ /dev/null
@@ -1,57 +0,0 @@
-name: Check labels
-
-on:
- pull_request:
- types: [labeled, opened, synchronize, unlabeled]
- merge_group:
-
-jobs:
- check-labels:
- runs-on: ubuntu-latest
- steps:
- - name: Skip merge queue
- if: ${{ contains(github.ref, 'gh-readonly-queue') }}
- run: exit 0
- - name: Pull image
- env:
- IMAGE: paritytech/ruled_labels:0.4.0
- run: docker pull $IMAGE
-
- - name: Check labels
- env:
- IMAGE: paritytech/ruled_labels:0.4.0
- MOUNT: /work
- GITHUB_PR: ${{ github.event.pull_request.number }}
- GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- API_BASE: https://api.github.com/repos
- REPO: ${{ github.repository }}
- RULES_PATH: labels/ruled_labels
- CHECK_SPECS: "specs_polkadot-sdk.yaml"
- run: |
- echo "REPO: ${REPO}"
- echo "GITHUB_PR: ${GITHUB_PR}"
-
- # Clone repo with labels specs
- echo "Cloning repo with labels specs"
-
- # Temporary, before https://github.com/paritytech/labels/pull/29 is not merged
- git clone https://github.com/paritytech/labels
-
- # Fetch the labels for the PR under test
- echo "Fetch the labels for $API_BASE/${REPO}/pulls/${GITHUB_PR}"
- labels=$( curl -H "Authorization: token ${GITHUB_TOKEN}" -s "$API_BASE/${REPO}/pulls/${GITHUB_PR}" | jq '.labels | .[] | .name' | tr "\n" ",")
- echo "Labels: ${labels}"
-
- if [ -z "${labels}" ]; then
- echo "No labels found, checking without them"
- docker run --rm -i -v $PWD/${RULES_PATH}/:$MOUNT $IMAGE check $MOUNT/$CHECK_SPECS --no-label
- fi
-
- labels_args=${labels: :-1}
- printf "Checking labels: %s\n" "${labels_args}"
-
- # Prevent the shell from splitting labels with spaces
- IFS=","
-
- # --dev is more useful to debug mode to debug
- docker run --rm -i -v $PWD/${RULES_PATH}/:$MOUNT $IMAGE check $MOUNT/$CHECK_SPECS --labels ${labels_args} --dev --tags PR
diff --git a/.github/workflows/check-licenses.yml b/.github/workflows/check-licenses.yml
deleted file mode 100644
index e1e92d288ceae..0000000000000
--- a/.github/workflows/check-licenses.yml
+++ /dev/null
@@ -1,46 +0,0 @@
-name: Check licenses
-
-on:
- pull_request:
- merge_group:
-
-permissions:
- packages: read
-
-jobs:
- check-licenses:
- runs-on: ubuntu-latest
- env:
- LICENSES: "'Apache-2.0' 'GPL-3.0-only' 'GPL-3.0-or-later WITH Classpath-exception-2.0'"
- NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- steps:
- - name: Checkout sources
- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
- - uses: actions/setup-node@v4.0.1
- with:
- node-version: "18.x"
- registry-url: "https://npm.pkg.github.com"
- scope: "@paritytech"
-
- - name: Check the licenses in Polkadot
- run: |
- shopt -s globstar
- npx @paritytech/license-scanner scan \
- --ensure-licenses ${{ env.LICENSES }} \
- -- ./polkadot/**/*.rs
-
- - name: Check the licenses in Cumulus
- run: |
- shopt -s globstar
- npx @paritytech/license-scanner scan \
- --ensure-licenses ${{ env.LICENSES }} \
- --exclude ./cumulus/parachain-template \
- -- ./cumulus/**/*.rs
-
- - name: Check the licenses in Substrate
- run: |
- shopt -s globstar
- npx @paritytech/license-scanner scan \
- --ensure-licenses ${{ env.LICENSES }} \
- --exclude ./substrate/bin/node-template \
- -- ./substrate/**/*.rs
diff --git a/.github/workflows/check-links.yml b/.github/workflows/check-links.yml
deleted file mode 100644
index 903d7a3fcb3d9..0000000000000
--- a/.github/workflows/check-links.yml
+++ /dev/null
@@ -1,41 +0,0 @@
-name: Check links
-
-on:
- pull_request:
- paths:
- - "*.rs"
- - "*.prdoc"
- - ".github/workflows/check-links.yml"
- - ".config/lychee.toml"
- types: [opened, synchronize, reopened, ready_for_review]
- merge_group:
-
-permissions:
- packages: read
-
-jobs:
- link-checker:
- runs-on: ubuntu-latest
- steps:
- - name: Restore lychee cache
- uses: actions/cache@e12d46a63a90f2fae62d114769bbf2a179198b5c # v3.3.2 (7. Sep 2023)
- with:
- path: .lycheecache
- key: cache-lychee-${{ github.sha }}
- # This should restore from the most recent one:
- restore-keys: cache-lychee-
-
- - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.0 (22. Sep 2023)
-
- - name: Lychee link checker
- uses: lycheeverse/lychee-action@c3089c702fbb949e3f7a8122be0c33c017904f9b # for v1.9.1 (10. Jan 2024)
- with:
- args: >-
- --config .config/lychee.toml
- --no-progress
- './**/*.rs'
- './**/*.prdoc'
- fail: true
- env:
- # To bypass GitHub rate-limit:
- GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
diff --git a/.github/workflows/check-markdown.yml b/.github/workflows/check-markdown.yml
deleted file mode 100644
index 2b8a66db35b3a..0000000000000
--- a/.github/workflows/check-markdown.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-name: Check Markdown
-
-on:
- pull_request:
- types: [opened, synchronize, reopened, ready_for_review]
- merge_group:
-
-permissions:
- packages: read
-
-jobs:
- lint-markdown:
- runs-on: ubuntu-latest
-
- steps:
- - name: Checkout sources
- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-
- - uses: actions/setup-node@v4.0.1
- with:
- node-version: "18.x"
- registry-url: "https://npm.pkg.github.com"
- scope: "@paritytech"
-
- - name: Install tooling
- run: |
- npm install -g markdownlint-cli
- markdownlint --version
-
- - name: Check Markdown
- env:
- CONFIG: .github/.markdownlint.yaml
- run: |
- echo "Checking markdown formatting. More info: docs/contributor/markdown_linting.md"
- markdownlint --config "$CONFIG" --ignore target .
diff --git a/.github/workflows/check-prdoc.yml b/.github/workflows/check-prdoc.yml
deleted file mode 100644
index f47404744a49b..0000000000000
--- a/.github/workflows/check-prdoc.yml
+++ /dev/null
@@ -1,65 +0,0 @@
-name: Check PRdoc
-
-on:
- pull_request:
- types: [labeled, opened, synchronize, unlabeled]
- merge_group:
-
-env:
- IMAGE: docker.io/paritytech/prdoc:v0.0.7
- API_BASE: https://api.github.com/repos
- REPO: ${{ github.repository }}
- GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- GITHUB_PR: ${{ github.event.pull_request.number }}
- ENGINE: docker
- PRDOC_DOC: https://github.com/paritytech/polkadot-sdk/blob/master/docs/contributor/prdoc.md
-
-jobs:
- check-prdoc:
- runs-on: ubuntu-latest
- steps:
- # we cannot show the version in this step (ie before checking out the repo)
- # due to https://github.com/paritytech/prdoc/issues/15
- - name: Skip merge queue
- if: ${{ contains(github.ref, 'gh-readonly-queue') }}
- run: exit 0
- - name: Pull image
- run: |
- echo "Pulling $IMAGE"
- $ENGINE pull $IMAGE
-
- - name: Check if PRdoc is required
- id: get-labels
- run: |
- # Fetch the labels for the PR under test
- echo "Fetch the labels for $API_BASE/${REPO}/pulls/${GITHUB_PR}"
- labels=$( curl -H "Authorization: token ${GITHUB_TOKEN}" -s "$API_BASE/${REPO}/pulls/${GITHUB_PR}" | jq '.labels | .[] | .name' | tr "\n" ",")
- echo "Labels: ${labels}"
- echo "labels=${labels}" >> "$GITHUB_OUTPUT"
-
- - name: Checkout repo
- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 #v4.1.1
-
- - name: Check PRDoc version
- run: |
- $ENGINE run --rm -v $PWD:/repo $IMAGE --version
-
- - name: Early exit if PR is silent
- if: ${{ contains(steps.get-labels.outputs.labels, 'R0') }}
- run: |
- hits=$(find prdoc -name "pr_$GITHUB_PR*.prdoc" | wc -l)
- if (( hits > 0 )); then
- echo "PR detected as silent, but a PRDoc was found, checking it as information"
- $ENGINE run --rm -v $PWD:/repo $IMAGE check -n ${GITHUB_PR} || echo "Ignoring failure"
- else
- echo "PR detected as silent, no PRDoc found, exiting..."
- fi
- echo "If you want to add a PRDoc, please refer to $PRDOC_DOC"
- exit 0
-
- - name: PRdoc check for PR#${{ github.event.pull_request.number }}
- if: ${{ !contains(steps.get-labels.outputs.labels, 'R0') }}
- run: |
- echo "Checking for PR#${GITHUB_PR}"
- echo "You can find more information about PRDoc at $PRDOC_DOC"
- $ENGINE run --rm -v $PWD:/repo $IMAGE check -n ${GITHUB_PR}
diff --git a/.github/workflows/check-publish.yml b/.github/workflows/check-publish.yml
deleted file mode 100644
index b16b3d4e5c5c5..0000000000000
--- a/.github/workflows/check-publish.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-name: Check publish
-
-on:
- push:
- branches:
- - master
- pull_request:
- types: [opened, synchronize, reopened, ready_for_review]
- merge_group:
-
-jobs:
- check-publish:
- runs-on: ubuntu-latest
- steps:
- - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-
- - name: Rust Cache
- uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3
- with:
- cache-on-failure: true
-
- - name: install parity-publish
- run: cargo install parity-publish@0.3.0
-
- - name: parity-publish check
- run: parity-publish check --allow-unpublished
diff --git a/.github/workflows/check-runtimes.yml b/.github/workflows/check-runtimes.yml
deleted file mode 100644
index 0e5ad104766a8..0000000000000
--- a/.github/workflows/check-runtimes.yml
+++ /dev/null
@@ -1,94 +0,0 @@
-name: Check Runtimes Specs
-# This GH Workflow fetches the runtimes available in a release.
-# It then compares their metadata with reference specs located under
-# .github/runtime_specs.
-
-on:
- workflow_dispatch:
- inputs:
- release_id:
- description: |
- Release ID.
- You can find it using the command:
- curl -s \
- -H "Authorization: Bearer ${GITHUB_TOKEN}" https://api.github.com/repos/paritytech/polkadot-sdk/releases | \
- jq '.[] | { name: .name, id: .id }'
- required: true
- type: string
-
- # This trigger unfortunately does not work as expected.
- # https://github.com/orgs/community/discussions/47794
- # release:
- # types: [edited]
-
-env:
- RUNTIME_SPECS_DIR: .github/runtime_specs
- DATA_DIR: runtimes
- RELEASE_ID: ${{ inputs.release_id }}
- REPO: ${{ github.repository }}
-
-jobs:
- find-specs:
- name: Fetch runtime specs
- outputs:
- specs: ${{ steps.get-list.outputs.specs }}
- runs-on: ubuntu-latest
- steps:
- - name: Checkout the repo
- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-
- - name: Get list
- id: get-list
- run: |
- lst=$(ls $RUNTIME_SPECS_DIR/*.json | xargs -I{} basename "{}" .json | jq -R .| jq -sc .)
- echo "Found: $lst"
- echo "specs=$lst" >> $GITHUB_OUTPUT
-
- check-runtimes:
- name: Check runtime specs
- runs-on: ubuntu-latest
- needs:
- - find-specs
-
- strategy:
- matrix:
- specs: ${{ fromJSON(needs.find-specs.outputs.specs) }}
-
- steps:
- - name: Checkout the repo
- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-
- - name: Fetch release artifacts based on release id
- env:
- OUTPUT_DIR: ${{ env.DATA_DIR }}
- GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- run: |
- . ./.github/scripts/common/lib.sh
- fetch_release_artifacts
-
- - name: Install tooling
- env:
- SUBWASM_VERSION: v0.20.0
- DL_BASE_URL: https://github.com/chevdor/subwasm/releases/download
- run: |
- wget $DL_BASE_URL/$SUBWASM_VERSION/subwasm_linux_amd64_$SUBWASM_VERSION.deb \
- -O subwasm.deb
- sudo dpkg -i subwasm.deb
- subwasm --version
-
- - name: Extract metadata JSON for ${{ matrix.specs }}
- env:
- RUNTIME: ${{ matrix.specs }}
- run: |
- WASM=$(ls ${DATA_DIR}/${RUNTIME}*.wasm)
- echo "WASM=$WASM"
- subwasm show --json "$WASM" > "${DATA_DIR}/${RUNTIME}.json"
-
- - name: Check specs for ${{ matrix.specs }}
- id: build
- env:
- RUNTIME: ${{ matrix.specs }}
- LOGLEVEL: info
- run: |
- python --version
- .github/scripts/check-runtime.py "${DATA_DIR}/${RUNTIME}.json" "${RUNTIME_SPECS_DIR}/${RUNTIME}.json"
diff --git a/.github/workflows/check-workspace.yml b/.github/workflows/check-workspace.yml
deleted file mode 100644
index 3dd812d7d9b37..0000000000000
--- a/.github/workflows/check-workspace.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: Check workspace
-
-on:
- pull_request:
- paths:
- - "*.toml"
- merge_group:
-
-jobs:
- check-workspace:
- runs-on: ubuntu-latest
- steps:
- - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.0 (22. Sep 2023)
-
- - name: install python deps
- run: pip3 install toml
-
- - name: check integrity
- run: >
- python3 .github/scripts/check-workspace.py .
- --exclude
- "substrate/frame/contracts/fixtures/build"
- "substrate/frame/contracts/fixtures/contracts/common"
diff --git a/.github/workflows/claim-crates.yml b/.github/workflows/claim-crates.yml
deleted file mode 100644
index f3df0bce72d50..0000000000000
--- a/.github/workflows/claim-crates.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-name: Claim Crates
-
-on:
- push:
- branches:
- - master
-
-jobs:
- claim-crates:
- runs-on: ubuntu-latest
- environment: master
- steps:
- - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-
- - name: Rust Cache
- uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3
- with:
- cache-on-failure: true
-
- - name: install parity-publish
- run: cargo install parity-publish@0.3.0
-
- - name: parity-publish claim
- env:
- PARITY_PUBLISH_CRATESIO_TOKEN: ${{ secrets.CRATESIO_PUBLISH_CLAIM_TOKEN }}
- run: parity-publish claim
diff --git a/.github/workflows/fmt-check.yml b/.github/workflows/fmt-check.yml
deleted file mode 100644
index 99ac5120097d1..0000000000000
--- a/.github/workflows/fmt-check.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: Rustfmt check
-
-on:
- push:
- branches:
- - master
- pull_request:
- types: [opened, synchronize, reopened, ready_for_review]
- merge_group:
-
-jobs:
- quick_check:
- strategy:
- matrix:
- os: ["ubuntu-latest"]
- runs-on: ${{ matrix.os }}
- container:
- image: paritytech/ci-unified:bullseye-1.74.0-2023-11-01-v20231204
- steps:
- - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-
- - name: Cargo fmt
- run: cargo +nightly fmt --all -- --check
diff --git a/.github/workflows/gitspiegel-trigger.yml b/.github/workflows/gitspiegel-trigger.yml
deleted file mode 100644
index b338f7a3f6254..0000000000000
--- a/.github/workflows/gitspiegel-trigger.yml
+++ /dev/null
@@ -1,34 +0,0 @@
-name: gitspiegel sync
-
-# This workflow doesn't do anything, it's only use is to trigger "workflow_run"
-# webhook, that'll be consumed by gitspiegel
-# This way, gitspiegel won't do mirroring, unless this workflow runs,
-# and running the workflow is protected by GitHub
-
-on:
- pull_request:
- types:
- - opened
- - synchronize
- - unlocked
- - ready_for_review
- - reopened
- # the job doesn't check out any code, so it is relatively safe to run it on any event
- pull_request_target:
- types:
- - opened
- - synchronize
- - unlocked
- - ready_for_review
- - reopened
- merge_group:
-
-# drop all permissions for GITHUB_TOKEN
-permissions: {}
-
-jobs:
- sync:
- runs-on: ubuntu-latest
- steps:
- - name: Do nothing
- run: echo "let's go"
diff --git a/.github/workflows/merge-queue.yml b/.github/workflows/merge-queue.yml
deleted file mode 100644
index cce326f44931b..0000000000000
--- a/.github/workflows/merge-queue.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-name: Merge-Queue
-
-on:
- merge_group:
-
-jobs:
- trigger-merge-queue-action:
- runs-on: ubuntu-latest
- environment: merge-queues
- steps:
- - name: Generate token
- id: app_token
- uses: tibdex/github-app-token@3beb63f4bd073e61482598c45c71c1019b59b73a # v2.1.0
- with:
- app_id: ${{ secrets.REVIEW_APP_ID }}
- private_key: ${{ secrets.REVIEW_APP_KEY }}
- - name: Add Merge Queue status check
- uses: billyjbryant/create-status-check@3e6fa0ac599d10d9588cf9516ca4330ef669b858 # v2
- with:
- authToken: ${{ steps.app_token.outputs.token }}
- context: 'review-bot'
- description: 'PRs for merge queue gets approved'
- state: 'success'
- sha: ${{ github.event.merge_group.head_commit.id }}
diff --git a/.github/workflows/notif-burnin-label.yml b/.github/workflows/notif-burnin-label.yml
deleted file mode 100644
index b630cd07440f9..0000000000000
--- a/.github/workflows/notif-burnin-label.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-name: Notify DevOps when burn-in label applied
-on:
- pull_request:
- types: [labeled]
-
-jobs:
- notify-devops:
- runs-on: ubuntu-latest
- strategy:
- matrix:
- channel:
- - name: 'Team: DevOps'
- room: '!lUslSijLMgNcEKcAiE:parity.io'
-
- steps:
- - name: Send Matrix message to ${{ matrix.channel.name }}
- if: startsWith(github.event.label.name, 'A0-')
- uses: s3krit/matrix-message-action@70ad3fb812ee0e45ff8999d6af11cafad11a6ecf # v0.0.3
- with:
- room_id: ${{ matrix.channel.room }}
- access_token: ${{ secrets.RELEASENOTES_MATRIX_V2_ACCESS_TOKEN }}
- server: m.parity.io
- message: |
- @room Burn-in request received for [${{ github.event.pull_request.title }}](${{ github.event.pull_request.html_url }})
diff --git a/.github/workflows/parachain.yml b/.github/workflows/parachain.yml
new file mode 100644
index 0000000000000..e899e3fc35e68
--- /dev/null
+++ b/.github/workflows/parachain.yml
@@ -0,0 +1,277 @@
+name: bridge
+
+on:
+ push:
+ paths:
+ - "bridges/snowbridge/**"
+ - "!bridges/snowbridge/README.md"
+ - "!bridges/snowbridge/LICENSE"
+ branches:
+ - main
+ pull_request:
+ workflow_dispatch:
+
+env:
+ FUZZ_MAX_LEN: 10000000000
+ FUZZ_MAX_RUNS: 30000
+ RUST_NIGHTLY: "2023-05-23"
+
+jobs:
+ check:
+ runs-on: snowbridge-runner
+ env:
+ CARGO_INCREMENTAL: 0
+ RUST_BACKTRACE: 1
+ RUSTFLAGS: -C debuginfo=1
+ SKIP_WASM_BUILD: 1
+ RUST_NIGHTLY_VERSION: nightly-2023-05-23
+ steps:
+ - uses: actions/checkout@v2
+ with:
+ submodules: "true"
+ - uses: arduino/setup-protoc@v2
+ with:
+ repo-token: ${{ secrets.GITHUB_TOKEN }}
+ - uses: actions/cache@v1
+ with:
+ path: |
+ ~/.cargo/registry
+ ~/.cargo/git
+ key: ${{ runner.os }}-cargo-${{ hashFiles('Cargo.lock') }}
+ restore-keys: |
+ ${{ runner.os }}-cargo-
+ - uses: actions/setup-node@v4.0.0
+ with:
+ node-version: "18.x"
+ registry-url: "https://npm.pkg.github.com"
+ scope: "@paritytech"
+ - name: setup rust toolchain
+ run: |
+ rustup target add wasm32-unknown-unknown
+ curl -LO https://github.com/paritytech/rustc-rv32e-toolchain/releases/download/v1.1.0/rust-rve-nightly-2024-01-05-x86_64-unknown-linux-gnu.tar.zst
+ tar -I zstd -xf rust-rve-nightly-2024-01-05-x86_64-unknown-linux-gnu.tar.zst
+ mv rve-nightly ~/.rustup/toolchains/
+ rustup toolchain install nightly
+ rustup component add rustfmt --toolchain nightly
+ rustup show
+ - name: cargo check
+ run: cargo check --workspace --all-features
+ - name: clippy
+ run: cargo clippy --all-features -- -D warnings
+ - name: format
+ run: cargo +nightly fmt --all -- --check
+ - name: install taplo
+ run: |
+ cargo install taplo-cli --locked
+ - name: taplo
+ run: taplo format --check --config .config/taplo.toml
+ - name: install zepter
+ run: |
+ cargo install zepter -f --locked
+ - name: zepter
+ run: zepter run check
+ - name: lint-markdown
+ run: |
+ npm install -g markdownlint-cli
+ markdownlint --version
+ markdownlint --config .github/.markdownlint.yaml --ignore target
+
+ test:
+ needs: check
+ runs-on: snowbridge-runner
+ env:
+ CARGO_INCREMENTAL: 0
+ RUST_BACKTRACE: 1
+ RUSTFLAGS: -C debuginfo=1
+ SKIP_WASM_BUILD: 1
+ RUST_MIN_STACK: 8388608
+ steps:
+ - uses: actions/checkout@v2
+ with:
+ ref: ${{ github.head_ref }}
+ submodules: "true"
+ - uses: arduino/setup-protoc@v2
+ with:
+ repo-token: ${{ secrets.GITHUB_TOKEN }}
+ - uses: actions/cache@v1
+ with:
+ path: |
+ ~/.cargo/registry
+ ~/.cargo/git
+ key: ${{ runner.os }}-cargo-${{ hashFiles('Cargo.lock') }}
+ restore-keys: |
+ ${{ runner.os }}-cargo-
+ - name: setup rust toolchain
+ run: rustup show
+ # Increase stack limit for beacon light client tests
+ - run: sudo prlimit --pid $$ --stack=32768
+ # Run tests for runtime-benchmarks feature
+ - name: Tests for runtime-benchmarks
+ working-directory: bridges/snowbridge
+ run: >
+ cargo test
+ --workspace
+ --features runtime-benchmarks
+ # Run tests for all features
+ - name: Tests for all features
+ working-directory: bridges/snowbridge
+ run: >
+ cargo test
+ --workspace
+ --all-features
+
+ coverage:
+ needs: check
+ runs-on: snowbridge-runner
+ env:
+ CARGO_INCREMENTAL: 0
+ RUST_BACKTRACE: 1
+ RUSTFLAGS: -C debuginfo=1
+ SKIP_WASM_BUILD: 1
+ RUST_MIN_STACK: 8388608
+ steps:
+ - uses: actions/checkout@v2
+ with:
+ ref: ${{ github.head_ref }}
+ submodules: "true"
+ - uses: arduino/setup-protoc@v2
+ with:
+ repo-token: ${{ secrets.GITHUB_TOKEN }}
+ - name: setup rust toolchain
+ run: rustup show
+ - name: run coverage test
+ working-directory: bridges/snowbridge
+ run: >
+ cargo install cargo-tarpaulin@0.27.0 &&
+ cargo tarpaulin
+ --workspace
+ --engine llvm
+ --out xml
+ - name: Upload coverage reports to Codecov with GitHub Action
+ uses: codecov/codecov-action@v3
+ with:
+ working-directory: bridges/snowbridge
+ files: cobertura.xml
+ flags: rust
+
+ check-cumulus:
+ runs-on: snowbridge-runner
+ steps:
+ - uses: actions/checkout@v2
+ with:
+ submodules: "true"
+ - uses: arduino/setup-protoc@v2
+ with:
+ repo-token: ${{ secrets.GITHUB_TOKEN }}
+ - name: setup rust toolchain
+ run: rustup show
+ - name: check bridge-hub fast-runtime
+ run: >
+ cargo check
+ --release --verbose
+ --package bridge-hub-rococo-runtime
+ --features fast-runtime
+ - name: check bridge-hub runtime-benchmarks
+ run: >
+ cargo check
+ --release --verbose
+ --package bridge-hub-rococo-runtime
+ --features runtime-benchmarks
+ - name: check bridge-hub try-runtime
+ run: >
+ cargo check
+ --release --verbose
+ --package bridge-hub-rococo-runtime
+ --features try-runtime
+ - name: check bridge-hub all features
+ run: >
+ cargo check
+ --release --verbose
+ --package bridge-hub-rococo-runtime
+ --all-features
+ - name: check asset-hub all features
+ run: >
+ cargo check
+ --release --verbose
+ --package asset-hub-rococo-runtime
+ --all-features
+
+ runtime-tests:
+ needs: check
+ runs-on: snowbridge-runner
+ steps:
+ - uses: actions/checkout@v2
+ with:
+ submodules: "true"
+ - uses: arduino/setup-protoc@v2
+ with:
+ repo-token: ${{ secrets.GITHUB_TOKEN }}
+ - name: setup rust toolchain
+ run: rustup show
+ - name: snowbridge runtime tests
+ run: >
+ RUST_LOG=xcm=trace cargo test
+ --package bridge-hub-rococo-runtime
+ --test snowbridge
+ -- --nocapture
+
+ integration-tests:
+ needs: check
+ runs-on: snowbridge-runner
+ steps:
+ - uses: actions/checkout@v2
+ with:
+ submodules: "true"
+ - uses: arduino/setup-protoc@v2
+ with:
+ repo-token: ${{ secrets.GITHUB_TOKEN }}
+ - name: setup rust toolchain
+ run: rustup show
+ - name: bridge-hub and asset-hub integration tests
+ run: >
+ RUST_LOG=xcm=trace cargo test
+ -p bridge-hub-rococo-integration-tests
+ -p asset-hub-rococo-integration-tests
+ -- --nocapture
+
+ beacon-fuzz:
+ if: false
+ needs: test
+ runs-on: snowbridge-runner
+ env:
+ CARGO_INCREMENTAL: 0
+ RUST_BACKTRACE: 1
+ RUSTFLAGS: -C debuginfo=1
+ SKIP_WASM_BUILD: 1
+ steps:
+ - uses: actions/checkout@v2
+ with:
+ ref: ${{ github.head_ref }}
+ submodules: "true"
+ - uses: actions/cache@v1
+ with:
+ path: |
+ ~/.cargo/registry
+ ~/.cargo/git
+ key: ${{ runner.os }}-cargo-${{ hashFiles('Cargo.lock') }}
+ restore-keys: |
+ ${{ runner.os }}-cargo-
+ - name: install nightly
+ run: rustup install --profile minimal nightly-$RUST_NIGHTLY
+ - name: Install cargo-fuzz from crates.io
+ uses: baptiste0928/cargo-install@v2
+ with:
+ crate: cargo-fuzz
+ version: "^0.11.2"
+ - name: Fuzz force checkpoint extrinsic
+ run: >
+ cd bridges/snowbridge/pallets/ethereum-beacon-client && cargo +nightly-$RUST_NIGHTLY fuzz run fuzz_force_checkpoint --
+ -max_len=$FUZZ_MAX_LEN -runs=$FUZZ_MAX_RUNS
+ - name: Fuzz submit extrinsic
+ run: >
+ cd bridges/snowbridge/pallets/ethereum-beacon-client && cargo +nightly-$RUST_NIGHTLY fuzz run fuzz_submit --
+ -max_len=$FUZZ_MAX_LEN -runs=$FUZZ_MAX_RUNS
+ - name: Fuzz submit execution header extrinsic
+ run: >
+ cd bridges/snowbridge/pallets/ethereum-beacon-client && cargo +nightly-$RUST_NIGHTLY fuzz run fuzz_submit_execution_header --
+ -max_len=$FUZZ_MAX_LEN -runs=$FUZZ_MAX_RUNS
diff --git a/.github/workflows/release-10_rc-automation.yml b/.github/workflows/release-10_rc-automation.yml
deleted file mode 100644
index 7231a8b75886d..0000000000000
--- a/.github/workflows/release-10_rc-automation.yml
+++ /dev/null
@@ -1,113 +0,0 @@
-name: Release - RC automation
-on:
- push:
- branches:
- # Catches release-polkadot-v1.2.3, release-v1.2.3-rc1, etc
- - release-v[0-9]+.[0-9]+.[0-9]+*
- - release-cumulus-v[0-9]+*
- - release-polkadot-v[0-9]+*
-
- workflow_dispatch:
-
-jobs:
- tag_rc:
- runs-on: ubuntu-latest
- strategy:
- matrix:
- channel:
- - name: "RelEng: Polkadot Release Coordination"
- room: '!cqAmzdIcbOFwrdrubV:parity.io'
- environment: release
-
- steps:
- - name: Checkout sources
- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
- with:
- fetch-depth: 0
-
- - name: Get release product
- id: get_rel_product
- shell: bash
- run: |
- current_branch=$(git branch --show-current)
- echo "Current branch: $current_branch"
- if [[ "$current_branch" =~ "release-polkadot" ]]; then
- echo "product=polkadot" >> $GITHUB_OUTPUT
- elif [[ "$current_branch" =~ "release-cumulus" ]]; then
- echo "product=polkadot-parachain" >> $GITHUB_OUTPUT
- fi
-
-
- - name: Compute next rc tag for polkadot
- if: ${{ steps.get_rel_product.outputs.product == 'polkadot' }}
- id: compute_tag_polkadot
- shell: bash
- run: |
- . ./.github/scripts/common/lib.sh
-
- # Get last rc tag if exists, else set it to {version}-rc1
- version=$(get_version_from_ghref ${GITHUB_REF})
- echo "$version"
- echo "version=$version" >> $GITHUB_OUTPUT
-
- last_rc=$(get_latest_rc_tag $version polkadot)
-
- if [ -n "$last_rc" ]; then
- suffix=$(increment_rc_tag $last_rc)
- echo "new_tag=$version-rc$suffix" >> $GITHUB_OUTPUT
- echo "first_rc=false" >> $GITHUB_OUTPUT
- else
- echo "new_tag=$version-rc1" >> $GITHUB_OUTPUT
- echo "first_rc=true" >> $GITHUB_OUTPUT
- fi
-
- - name: Compute next rc tag for polkadot-parachain
- if: ${{ steps.get_rel_product.outputs.product == 'polkadot-parachain' }}
- id: compute_tag_cumulus
- shell: bash
- run: |
- . ./.github/scripts/common/lib.sh
-
- # Get last rc tag if exists, else set it to polkadot-parachains-{version}-rc1
- version=$(get_version_from_ghref ${GITHUB_REF})
- echo "$version"
- echo "version=$version" >> $GITHUB_OUTPUT
-
- last_rc=$(get_latest_rc_tag $version polkadot-parachain)
- if [ -n "$last_rc" ]; then
- suffix=$(increment_rc_tag $last_rc)
- echo "new_tag=polkadot-parachains-$version-rc$suffix" >> $GITHUB_OUTPUT
- echo "first_rc=false" >> $GITHUB_OUTPUT
- else
- echo "new_tag=polkadot-parachain-$version-rc1" >> $GITHUB_OUTPUT
- echo "first_rc=true" >> $GITHUB_OUTPUT
- fi
-
- - name: Apply new tag
- uses: tvdias/github-tagger@ed7350546e3e503b5e942dffd65bc8751a95e49d # v0.0.2
- with:
- # We can't use the normal GITHUB_TOKEN for the following reason:
- # https://docs.github.com/en/actions/reference/events-that-trigger-workflows#triggering-new-workflows-using-a-personal-access-token
- # RELEASE_BRANCH_TOKEN requires public_repo OAuth scope
- repo-token: "${{ secrets.RELEASE_BRANCH_TOKEN }}"
- tag: ${{ steps.compute_tag_polkadot.outputs.new_tag || steps.compute_tag_cumulus.outputs.new_tag }}
-
- # - id: create-issue
- # uses: JasonEtco/create-an-issue@e27dddc79c92bc6e4562f268fffa5ed752639abd # v2.9.1
- # # Only create the issue if it's the first release candidate
- # if: steps.compute_tag.outputs.first_rc == 'true'
- # env:
- # GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- # VERSION: ${{ steps.compute_tag.outputs.version }}
- # with:
- # filename: .github/ISSUE_TEMPLATE/release.md
-
- - name: Send Matrix message to ${{ matrix.channel.name }}
- uses: s3krit/matrix-message-action@70ad3fb812ee0e45ff8999d6af11cafad11a6ecf # v0.0.3
- # if: steps.create-issue.outputs.url != ''
- with:
- room_id: ${{ matrix.channel.room }}
- access_token: ${{ secrets.RELEASENOTES_MATRIX_V2_ACCESS_TOKEN }}
- server: m.parity.io
- message: |
- Release process for polkadot ${{ steps.compute_tag_polkadot.outputs.new_tag || steps.compute_tag_cumulus.outputs.new_tag }} has been started.<br/>
diff --git a/.github/workflows/release-50_publish-docker.yml b/.github/workflows/release-50_publish-docker.yml
deleted file mode 100644
index ecbac01cd3a5b..0000000000000
--- a/.github/workflows/release-50_publish-docker.yml
+++ /dev/null
@@ -1,290 +0,0 @@
-name: Release - Publish Docker Image
-
-# This workflow listens to published releases or can be triggered manually.
-# It builds and published releases and rc candidates.
-
-on:
- #TODO: activate automated run later
- # release:
- # types:
- # - published
- workflow_dispatch:
- inputs:
- image_type:
- description: Type of the image to be published
- required: true
- default: rc
- type: choice
- options:
- - rc
- - release
-
- binary:
- description: Binary to be published
- required: true
- default: polkadot
- type: choice
- options:
- - polkadot
- - polkadot-parachain
-
- release_id:
- description: |
- Release ID.
- You can find it using the command:
- curl -s \
- -H "Authorization: Bearer ${GITHUB_TOKEN}" https://api.github.com/repos/$OWNER/$REPO/releases | \
- jq '.[] | { name: .name, id: .id }'
- required: true
- type: string
-
- registry:
- description: Container registry
- required: true
- type: string
- default: docker.io
-
- # The owner is often the same than the Docker Hub username but does ont have to be.
- # In our case, it is not.
- owner:
- description: Owner of the container image repo
- required: true
- type: string
- default: parity
-
- version:
- description: version to build/release
- default: v0.9.18
- required: true
-
-permissions:
- contents: write
-
-env:
- RELEASE_ID: ${{ inputs.release_id }}
- ENGINE: docker
- REGISTRY: ${{ inputs.registry }}
- GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- DOCKER_OWNER: ${{ inputs.owner || github.repository_owner }}
- REPO: ${{ github.repository }}
- BINARY: ${{ inputs.binary }}
- # EVENT_ACTION: ${{ github.event.action }}
- EVENT_NAME: ${{ github.event_name }}
- IMAGE_TYPE: ${{ inputs.image_type }}
-
-jobs:
- fetch-artifacts: # this job will be triggered for the polkadot-parachain rc and release or polkadot rc image build
- if: ${{ inputs.binary == 'polkadot-parachain' || inputs.image_type == 'rc' }}
- runs-on: ubuntu-latest
-
- steps:
- - name: Checkout sources
- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-
- #TODO: this step will be needed when automated triggering will work
- #this step runs only if the workflow is triggered automatically when new release is published
- # if: ${{ env.EVENT_NAME == 'release' && env.EVENT_ACTION != '' && env.EVENT_ACTION == 'published' }}
- # run: |
- # mkdir -p release-artifacts && cd release-artifacts
-
- # for f in $BINARY $BINARY.asc $BINARY.sha256; do
- # URL="https://github.com/${{ github.event.repository.full_name }}/releases/download/${{ github.event.release.tag_name }}/$f"
- # echo " - Fetching $f from $URL"
- # wget "$URL" -O "$f"
- # done
- # chmod a+x $BINARY
- # ls -al
-
- - name: Fetch rc artifacts or release artifacts based on release id
- #this step runs only if the workflow is triggered manually
- if: ${{ env.EVENT_NAME == 'workflow_dispatch' }}
- run: |
- . ./.github/scripts/common/lib.sh
-
- fetch_release_artifacts
-
- - name: Cache the artifacts
- uses: actions/cache@e12d46a63a90f2fae62d114769bbf2a179198b5c # v3.3.3
- with:
- key: artifacts-${{ env.BINARY }}-${{ github.sha }}
- path: |
- ./release-artifacts/${{ env.BINARY }}/**/*
-
- build-container: # this job will be triggered for the polkadot-parachain rc and release or polkadot rc image build
- if: ${{ inputs.binary == 'polkadot-parachain' || inputs.image_type == 'rc' }}
- runs-on: ubuntu-latest
- needs: fetch-artifacts
- environment: release
-
- steps:
- - name: Checkout sources
- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-
- - name: Get artifacts from cache
- uses: actions/cache@e12d46a63a90f2fae62d114769bbf2a179198b5c # v3.3.3
- with:
- key: artifacts-${{ env.BINARY }}-${{ github.sha }}
- fail-on-cache-miss: true
- path: |
- ./release-artifacts/${{ env.BINARY }}/**/*
-
- - name: Check sha256 ${{ env.BINARY }}
- working-directory: ./release-artifacts/${{ env.BINARY }}
- run: |
- . ../../.github/scripts/common/lib.sh
-
- echo "Checking binary $BINARY"
- check_sha256 $BINARY && echo "OK" || echo "ERR"
-
- - name: Check GPG ${{ env.BINARY }}
- working-directory: ./release-artifacts/${{ env.BINARY }}
- run: |
- . ../../.github/scripts/common/lib.sh
- import_gpg_keys
- check_gpg $BINARY
-
- - name: Fetch rc commit and tag
- if: ${{ env.IMAGE_TYPE == 'rc' }}
- id: fetch_rc_refs
- run: |
- release=release-${{ inputs.release_id }} && \
- echo "release=${release}" >> $GITHUB_OUTPUT
-
- commit=$(git rev-parse --short HEAD) && \
- echo "commit=${commit}" >> $GITHUB_OUTPUT
-
- tag=$(git name-rev --tags --name-only $(git rev-parse HEAD)) && \
- [ "${tag}" != "undefined" ] && echo "tag=${tag}" >> $GITHUB_OUTPUT || \
- echo "No tag, doing without"
-
- - name: Fetch release tags
- working-directory: ./release-artifacts/${{ env.BINARY }}
- if: ${{ env.IMAGE_TYPE == 'release'}}
- id: fetch_release_refs
- run: |
- chmod a+rx $BINARY
- VERSION=$(./$BINARY --version | awk '{ print $2 }' )
- release=$( echo $VERSION | cut -f1 -d- )
- echo "tag=latest" >> $GITHUB_OUTPUT
- echo "release=${release}" >> $GITHUB_OUTPUT
-
- - name: Build Injected Container image for polkadot rc
- if: ${{ env.BINARY == 'polkadot' }}
- env:
- ARTIFACTS_FOLDER: ./release-artifacts
- IMAGE_NAME: ${{ env.BINARY }}
- OWNER: ${{ env.DOCKER_OWNER }}
- TAGS: ${{ join(steps.fetch_rc_refs.outputs.*, ',') || join(steps.fetch_release_refs.outputs.*, ',') }}
- run: |
- ls -al
- echo "Building container for $BINARY"
- ./docker/scripts/build-injected.sh
-
- - name: Build Injected Container image for polkadot-parachain
- if: ${{ env.BINARY == 'polkadot-parachain' }}
- env:
- ARTIFACTS_FOLDER: ./release-artifacts
- IMAGE_NAME: ${{ env.BINARY }}
- OWNER: ${{ env.DOCKER_OWNER }}
- DOCKERFILE: docker/dockerfiles/polkadot-parachain/polkadot-parachain_injected.Dockerfile
- TAGS: ${{ join(steps.fetch_rc_refs.outputs.*, ',') || join(steps.fetch_release_refs.outputs.*, ',') }}
- run: |
- ls -al
- mkdir -p $ARTIFACTS_FOLDER/specs
- cp cumulus/parachains/chain-specs/*.json $ARTIFACTS_FOLDER/specs
-
- echo "Building container for $BINARY"
- ./docker/scripts/build-injected.sh
-
- - name: Login to Dockerhub
- uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0
- with:
- username: ${{ secrets.CUMULUS_DOCKERHUB_USERNAME }}
- password: ${{ secrets.CUMULUS_DOCKERHUB_TOKEN }}
-
- - name: Push Container image for ${{ env.BINARY }}
- id: docker_push
- run: |
- $ENGINE images | grep ${BINARY}
- $ENGINE push --all-tags ${REGISTRY}/${DOCKER_OWNER}/${BINARY}
-
- - name: Check version for the published image for ${{ env.BINARY }}
- env:
- RELEASE_TAG: ${{ steps.fetch_rc_refs.outputs.release || steps.fetch_release_refs.outputs.release }}
- run: |
- echo "Checking tag ${RELEASE_TAG} for image ${REGISTRY}/${DOCKER_OWNER}/${BINARY}"
- $ENGINE run -i ${REGISTRY}/${DOCKER_OWNER}/${BINARY}:${RELEASE_TAG} --version
-
- fetch-latest-debian-package-version: # this job will be triggered for polkadot release build
- if: ${{ inputs.binary == 'polkadot' && inputs.image_type == 'release' }}
- runs-on: ubuntu-latest
- outputs:
- polkadot_apt_version: ${{ steps.fetch-latest-apt.outputs.polkadot_apt_version }}
- polkadot_container_tag: ${{ steps.fetch-latest-apt.outputs.polkadot_container_tag }}
- container:
- image: paritytech/parity-keyring
- options: --user root
- steps:
- - name: Get version
- id: fetch-latest-apt
- run: |
- apt update
- apt show polkadot
- version=$(apt show polkadot 2>/dev/null | grep "Version:" | awk '{print $2}')
- tag=$(echo $version | sed 's/-.*//')
- echo "polkadot_apt_version=v$version" >> $GITHUB_OUTPUT
- echo "polkadot_container_tag=v$tag" >> $GITHUB_OUTPUT
- echo "You passed ${{ inputs.version }} but this is ignored"
- echo "We use the version from the Debian Package: $version"
-
- build-polkadot-release-container: # this job will be triggered for polkadot release build
- if: ${{ inputs.binary == 'polkadot' && inputs.image_type == 'release' }}
- runs-on: ubuntu-latest
- needs: fetch-latest-debian-package-version
- environment: release
- steps:
- - name: Checkout sources
- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-
- - name: Set up Docker Buildx
- uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0
-
- - name: Cache Docker layers
- uses: actions/cache@e12d46a63a90f2fae62d114769bbf2a179198b5c # v3.3.3
- with:
- path: /tmp/.buildx-cache
- key: ${{ runner.os }}-buildx-${{ github.sha }}
- restore-keys: |
- ${{ runner.os }}-buildx-
-
- - name: Login to Docker Hub
- uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0
- with:
- username: ${{ secrets.POLKADOT_DOCKERHUB_USERNAME }}
- password: ${{ secrets.POLKADOT_DOCKERHUB_TOKEN }}
-
- - name: Fetch values
- id: fetch-data
- run: |
- date=$(date -u '+%Y-%m-%dT%H:%M:%SZ')
- echo "date=$date" >> $GITHUB_OUTPUT
-
- - name: Build and push
- id: docker_build
- uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56 # v5.1.0
- with:
- push: true
- file: docker/dockerfiles/polkadot/polkadot_injected_debian.Dockerfile
- # TODO: The owner should be used below but buildx does not resolve the VARs
- # TODO: It would be good to get rid of this GHA that we don't really need.
- tags: |
- parity/polkadot:latest
- parity/polkadot:${{ needs.fetch-latest-debian-package-version.outputs.polkadot_container_tag }}
- build-args: |
- VCS_REF=${{ github.ref }}
- POLKADOT_VERSION=${{ needs.fetch-latest-debian-package-version.outputs.polkadot_apt_version }}
- BUILD_DATE=${{ steps.fetch-data.outputs.date }}
- cache-from: type=local,src=/tmp/.buildx-cache
- cache-to: type=local,dest=/tmp/.buildx-cache
- - name: Image digest
- run: echo ${{ steps.docker_build.outputs.digest }}
diff --git a/.github/workflows/release-99_notif-published.yml b/.github/workflows/release-99_notif-published.yml
deleted file mode 100644
index b35120ca4e128..0000000000000
--- a/.github/workflows/release-99_notif-published.yml
+++ /dev/null
@@ -1,61 +0,0 @@
-name: Release - Announce release to Matrix rooms
-on:
- release:
- types:
- - published
- - prereleased
-
-jobs:
- ping_matrix:
- runs-on: ubuntu-latest
- strategy:
- matrix:
- channel:
- # Internal
- - name: 'RelEng: Cumulus Release Coordination'
- room: '!NAEMyPAHWOiOQHsvus:parity.io'
- pre-releases: true
- - name: "RelEng: Polkadot Release Coordination"
- room: '!cqAmzdIcbOFwrdrubV:parity.io'
- pre-release: true
- - name: 'General: Rust, Polkadot, Substrate'
- room: '!aJymqQYtCjjqImFLSb:parity.io'
- pre-release: false
- - name: 'Team: DevOps'
- room: '!lUslSijLMgNcEKcAiE:parity.io'
- pre-release: true
-
- # External
- - name: 'Ledger <> Polkadot Coordination'
- room: '!EoIhaKfGPmFOBrNSHT:web3.foundation'
- pre-release: true
-
- # Public
- # - name: '#KusamaValidatorLounge:polkadot.builders'
- # room: '!LhjZccBOqFNYKLdmbb:polkadot.builders'
- # pre-releases: false
- # - name: '#kusama-announcements:matrix.parity.io'
- # room: '!FMwxpQnYhRCNDRsYGI:matrix.parity.io'
- # pre-release: false
- # - name: '#polkadotvalidatorlounge:web3.foundation'
- # room: '!NZrbtteFeqYKCUGQtr:matrix.parity.io'
- # pre-release: false
- # - name: '#polkadot-announcements:matrix.parity.io'
- # room: '!UqHPWiCBGZWxrmYBkF:matrix.parity.io'
- # pre-release: false
-
- steps:
- - name: Matrix notification to ${{ matrix.channel.name }}
- if: github.event.release.prerelease == false || matrix.channel.pre-release
- uses: s3krit/matrix-message-action@70ad3fb812ee0e45ff8999d6af11cafad11a6ecf # v0.0.3
- with:
- room_id: ${{ matrix.channel.room }}
- access_token: ${{ secrets.RELEASENOTES_MATRIX_V2_ACCESS_TOKEN }}
- server: m.parity.io
- message: |
- A (pre)release has been ${{github.event.action}} in **${{github.event.repository.full_name}}:**<br/>
- Release version: [${{github.event.release.tag_name}}](${{github.event.release.html_url}})
-
- -----
-
- ${{github.event.release.body}}
diff --git a/.github/workflows/review-bot.yml b/.github/workflows/review-bot.yml
deleted file mode 100644
index 0a7e80f007c5b..0000000000000
--- a/.github/workflows/review-bot.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-name: Review Bot
-on:
- workflow_run:
- workflows:
- - Review-Trigger
- types:
- - completed
-
-jobs:
- review-approvals:
- runs-on: ubuntu-latest
- environment: master
- steps:
- - name: Extract content of artifact
- id: number
- uses: Bullrich/extract-text-from-artifact@v1.0.0
- with:
- artifact-name: pr_number
- - name: Generate token
- id: app_token
- uses: tibdex/github-app-token@v1
- with:
- app_id: ${{ secrets.REVIEW_APP_ID }}
- private_key: ${{ secrets.REVIEW_APP_KEY }}
- - name: "Evaluates PR reviews and assigns reviewers"
- uses: paritytech/review-bot@v2.3.0
- with:
- repo-token: ${{ steps.app_token.outputs.token }}
- team-token: ${{ steps.app_token.outputs.token }}
- checks-token: ${{ steps.app_token.outputs.token }}
- pr-number: ${{ steps.number.outputs.content }}
- request-reviewers: true
diff --git a/.github/workflows/review-trigger.yml b/.github/workflows/review-trigger.yml
deleted file mode 100644
index 8b23dd30bb29a..0000000000000
--- a/.github/workflows/review-trigger.yml
+++ /dev/null
@@ -1,36 +0,0 @@
-name: Review-Trigger
-
-on:
- pull_request_target:
- types:
- - opened
- - reopened
- - synchronize
- - review_requested
- - review_request_removed
- - ready_for_review
- pull_request_review:
-
-jobs:
- trigger-review-bot:
- # (It is not a draft) && (it is not a review || it is an approving review)
- if: ${{ github.event.pull_request.draft != true && (github.event_name != 'pull_request_review' || (github.event.review && github.event.review.state == 'APPROVED')) }}
- runs-on: ubuntu-latest
- name: trigger review bot
- steps:
- - name: Skip merge queue
- if: ${{ contains(github.ref, 'gh-readonly-queue') }}
- run: exit 0
- - name: Get PR number
- env:
- PR_NUMBER: ${{ github.event.pull_request.number }}
- run: |
- echo "Saving PR number: $PR_NUMBER"
- mkdir -p ./pr
- echo $PR_NUMBER > ./pr/pr_number
- - uses: actions/upload-artifact@v3
- name: Save PR number
- with:
- name: pr_number
- path: pr/
- retention-days: 5
diff --git a/.github/workflows/srtool.yml b/.github/workflows/srtool.yml
deleted file mode 100644
index eb15538f559d2..0000000000000
--- a/.github/workflows/srtool.yml
+++ /dev/null
@@ -1,135 +0,0 @@
-name: Srtool build
-
-env:
- SUBWASM_VERSION: 0.20.0
- TOML_CLI_VERSION: 0.2.4
-
-on:
- push:
- tags:
- - "*"
- branches:
- - release-v[0-9]+.[0-9]+.[0-9]+*
- - release-cumulus-v[0-9]+*
- - release-polkadot-v[0-9]+*
-
- schedule:
- - cron: "00 02 * * 1" # 2AM weekly on monday
-
- workflow_dispatch:
-
-jobs:
- find-runtimes:
- name: Scan repo paritytech/polkadot-sdk
- outputs:
- runtime: ${{ steps.get_runtimes_list.outputs.runtime }}
- runs-on: ubuntu-latest
- steps:
- - name: Checkout
- uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
- with:
- fetch-depth: 0
-
- - name: Install tooling
- run: |
- URL=https://github.com/chevdor/toml-cli/releases/download/v${{ env.TOML_CLI_VERSION }}/toml_linux_amd64_v${{ env.TOML_CLI_VERSION }}.deb
- curl -L $URL --output toml.deb
- sudo dpkg -i toml.deb
- toml --version; jq --version
-
- - name: Scan runtimes
- env:
- EXCLUDED_RUNTIMES: "substrate-test"
- run: |
- . ./.github/scripts/common/lib.sh
-
- echo "Github workspace: ${{ github.workspace }}"
- echo "Current folder: $(pwd)"; ls -al
- ls -al
-
- MATRIX=$(find_runtimes | tee runtimes_list.json)
- echo $MATRIX
-
- - name: Get runtimes list
- id: get_runtimes_list
- run: |
- ls -al
- MATRIX=$(cat runtimes_list.json)
- echo $MATRIX
- echo "runtime=$MATRIX" >> $GITHUB_OUTPUT
-
- srtool:
- runs-on: ubuntu-latest
- needs:
- - find-runtimes
- strategy:
- fail-fast: false
- matrix: ${{ fromJSON(needs.find-runtimes.outputs.runtime) }}
-
- steps:
- - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
- with:
- fetch-depth: 0
-
- - name: Srtool build
- id: srtool_build
- uses: chevdor/srtool-actions@v0.9.2
- with:
- chain: ${{ matrix.chain }}
- runtime_dir: ${{ matrix.runtime_dir }}
-
- - name: Summary
- run: |
- echo '${{ steps.srtool_build.outputs.json }}' | jq > ${{ matrix.chain }}-srtool-digest.json
- cat ${{ matrix.chain }}-srtool-digest.json
- echo "Compact Runtime: ${{ steps.srtool_build.outputs.wasm }}"
- echo "Compressed Runtime: ${{ steps.srtool_build.outputs.wasm_compressed }}"
-
- # it takes a while to build the runtime, so let's save the artifact as soon as we have it
- - name: Archive Artifacts for ${{ matrix.chain }}
- uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
- with:
- name: ${{ matrix.chain }}-runtime
- path: |
- ${{ steps.srtool_build.outputs.wasm }}
- ${{ steps.srtool_build.outputs.wasm_compressed }}
- ${{ matrix.chain }}-srtool-digest.json
-
- # We now get extra information thanks to subwasm
- - name: Install subwasm
- run: |
- wget https://github.com/chevdor/subwasm/releases/download/v${{ env.SUBWASM_VERSION }}/subwasm_linux_amd64_v${{ env.SUBWASM_VERSION }}.deb
- sudo dpkg -i subwasm_linux_amd64_v${{ env.SUBWASM_VERSION }}.deb
- subwasm --version
-
- - name: Show Runtime information
- shell: bash
- run: |
- subwasm info ${{ steps.srtool_build.outputs.wasm }}
- subwasm info ${{ steps.srtool_build.outputs.wasm_compressed }}
- subwasm --json info ${{ steps.srtool_build.outputs.wasm }} > ${{ matrix.chain }}-info.json
- subwasm --json info ${{ steps.srtool_build.outputs.wasm_compressed }} > ${{ matrix.chain }}-compressed-info.json
-
- - name: Extract the metadata
- shell: bash
- run: |
- subwasm meta ${{ steps.srtool_build.outputs.wasm }}
- subwasm --json meta ${{ steps.srtool_build.outputs.wasm }} > ${{ matrix.chain }}-metadata.json
-
- - name: Check the metadata diff
- shell: bash
- # the following subwasm call will error for chains that are not known and/or live, that includes shell for instance
- run: |
- subwasm diff ${{ steps.srtool_build.outputs.wasm }} --chain-b ${{ matrix.chain }} || \
- echo "Subwasm call failed, check the logs. This is likely because ${{ matrix.chain }} is not known by subwasm" | \
- tee ${{ matrix.chain }}-diff.txt
-
- - name: Archive Subwasm results
- uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
- with:
- name: ${{ matrix.chain }}-runtime
- path: |
- ${{ matrix.chain }}-info.json
- ${{ matrix.chain }}-compressed-info.json
- ${{ matrix.chain }}-metadata.json
- ${{ matrix.chain }}-diff.txt
diff --git a/Cargo.lock b/Cargo.lock
index 6bfe27bb17a59..501facf77a157 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1943,11 +1943,6 @@ dependencies = [
"frame-support",
"parachains-common",
"serde_json",
- "snowbridge-core",
- "snowbridge-pallet-inbound-queue",
- "snowbridge-pallet-outbound-queue",
- "snowbridge-pallet-system",
- "snowbridge-router-primitives",
"sp-core",
"sp-runtime",
]
@@ -2928,6 +2923,16 @@ dependencies = [
"windows-sys 0.52.0",
]
+[[package]]
+name = "console_error_panic_hook"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06aeb73f470f66dcdbf7223caeebb85984942f22f1adb2a088cf9668146bbbc"
+dependencies = [
+ "cfg-if",
+ "wasm-bindgen",
+]
+
[[package]]
name = "const-hex"
version = "1.10.0"
@@ -16905,6 +16910,12 @@ dependencies = [
"zeroize",
]
+[[package]]
+name = "scoped-tls"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1cf6437eb19a8f4a6cc0f7dca544973b0b78843adbfeb3683d1a94a0024a294"
+
[[package]]
name = "scopeguard"
version = "1.2.0"
@@ -17604,6 +17615,7 @@ dependencies = [
"frame-support",
"frame-system",
"hex",
+ "hex-literal",
"parity-scale-codec",
"rlp",
"scale-info",
@@ -17626,6 +17638,7 @@ dependencies = [
"ethabi-decode",
"frame-support",
"frame-system",
+ "hex",
"hex-literal",
"parity-scale-codec",
"polkadot-parachain-primitives",
@@ -17651,15 +17664,18 @@ dependencies = [
"hex-literal",
"parity-bytes",
"parity-scale-codec",
+ "rand 0.8.5",
"rlp",
"rustc-hex",
"scale-info",
"serde",
"serde-big-array",
+ "serde_json",
"sp-core",
"sp-io",
"sp-runtime",
"sp-std 8.0.0",
+ "wasm-bindgen-test",
]
[[package]]
@@ -17681,9 +17697,14 @@ dependencies = [
name = "snowbridge-outbound-queue-merkle-tree"
version = "0.9.0"
dependencies = [
+ "array-bytes 4.2.0",
+ "env_logger 0.9.3",
+ "hex",
+ "hex-literal",
"parity-scale-codec",
"scale-info",
"sp-core",
+ "sp-crypto-hashing",
"sp-runtime",
]
@@ -17714,15 +17735,18 @@ dependencies = [
"log",
"pallet-timestamp",
"parity-scale-codec",
+ "rand 0.8.5",
"rlp",
"scale-info",
"serde",
+ "serde_json",
"snowbridge-beacon-primitives",
"snowbridge-core",
"snowbridge-ethereum",
"snowbridge-pallet-ethereum-client-fixtures",
"sp-core",
"sp-io",
+ "sp-keyring",
"sp-runtime",
"sp-std 8.0.0",
"ssz_rs",
@@ -17764,10 +17788,12 @@ dependencies = [
"snowbridge-beacon-primitives",
"snowbridge-core",
"snowbridge-ethereum",
+ "snowbridge-pallet-ethereum-client",
"snowbridge-pallet-inbound-queue-fixtures",
"snowbridge-router-primitives",
"sp-core",
"sp-io",
+ "sp-keyring",
"sp-runtime",
"sp-std 8.0.0",
"staging-xcm",
@@ -17799,6 +17825,7 @@ dependencies = [
"frame-support",
"frame-system",
"hex-literal",
+ "pallet-message-queue",
"parity-scale-codec",
"scale-info",
"serde",
@@ -17807,6 +17834,7 @@ dependencies = [
"sp-arithmetic",
"sp-core",
"sp-io",
+ "sp-keyring",
"sp-runtime",
"sp-std 8.0.0",
"staging-xcm",
@@ -17820,12 +17848,19 @@ dependencies = [
"frame-benchmarking",
"frame-support",
"frame-system",
+ "hex",
+ "hex-literal",
"log",
+ "pallet-balances",
+ "pallet-message-queue",
"parity-scale-codec",
+ "polkadot-primitives",
"scale-info",
"snowbridge-core",
+ "snowbridge-pallet-outbound-queue",
"sp-core",
"sp-io",
+ "sp-keyring",
"sp-runtime",
"sp-std 8.0.0",
"staging-xcm",
@@ -17843,6 +17878,7 @@ dependencies = [
"hex-literal",
"log",
"parity-scale-codec",
+ "rustc-hex",
"scale-info",
"serde",
"snowbridge-core",
@@ -17876,8 +17912,9 @@ name = "snowbridge-runtime-test-common"
version = "0.9.0"
dependencies = [
"assets-common",
+ "bridge-hub-test-utils",
+ "bridge-runtime-common",
"cumulus-pallet-aura-ext",
- "cumulus-pallet-dmp-queue",
"cumulus-pallet-parachain-system",
"cumulus-pallet-session-benchmarking",
"cumulus-pallet-xcm",
@@ -17944,6 +17981,7 @@ dependencies = [
"staging-xcm",
"staging-xcm-builder",
"staging-xcm-executor",
+ "static_assertions",
]
[[package]]
@@ -21123,6 +21161,30 @@ version = "0.2.87"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1"
+[[package]]
+name = "wasm-bindgen-test"
+version = "0.3.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e6e302a7ea94f83a6d09e78e7dc7d9ca7b186bc2829c24a22d0753efd680671"
+dependencies = [
+ "console_error_panic_hook",
+ "js-sys",
+ "scoped-tls",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "wasm-bindgen-test-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-test-macro"
+version = "0.3.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecb993dd8c836930ed130e020e77d9b2e65dd0fbab1b67c790b0f5d80b11a575"
+dependencies = [
+ "proc-macro2",
+ "quote",
+]
+
[[package]]
name = "wasm-encoder"
version = "0.31.1"
diff --git a/Cargo.toml b/Cargo.toml
index fb029b448a414..8a05c83e41292 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,6 +36,19 @@ members = [
"bridges/primitives/test-utils",
"bridges/primitives/xcm-bridge-hub",
"bridges/primitives/xcm-bridge-hub-router",
+ "bridges/snowbridge/pallets/ethereum-client",
+ "bridges/snowbridge/pallets/inbound-queue",
+ "bridges/snowbridge/pallets/outbound-queue",
+ "bridges/snowbridge/pallets/outbound-queue/merkle-tree",
+ "bridges/snowbridge/pallets/outbound-queue/runtime-api",
+ "bridges/snowbridge/pallets/system",
+ "bridges/snowbridge/pallets/system/runtime-api",
+ "bridges/snowbridge/primitives/beacon",
+ "bridges/snowbridge/primitives/core",
+ "bridges/snowbridge/primitives/ethereum",
+ "bridges/snowbridge/primitives/router",
+ "bridges/snowbridge/runtime/runtime-common",
+ "bridges/snowbridge/runtime/test-common",
"cumulus/client/cli",
"cumulus/client/collator",
"cumulus/client/consensus/aura",
diff --git a/bridges/snowbridge/.gitignore b/bridges/snowbridge/.gitignore
new file mode 100644
index 0000000000000..2c1d07caf6fce
--- /dev/null
+++ b/bridges/snowbridge/.gitignore
@@ -0,0 +1,17 @@
+# Generated by Cargo
+# will have compiled files and executables
+**/target/
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+*.log
+rococo-local-raw.json
+rococo-local.json
+
+.envrc
+
+# The cache for chain data in container
+.local
+
+# coverage reports
+cobertura.xml
diff --git a/bridges/snowbridge/Cargo.toml b/bridges/snowbridge/Cargo.toml
new file mode 100644
index 0000000000000..a9e9ed9abf95e
--- /dev/null
+++ b/bridges/snowbridge/Cargo.toml
@@ -0,0 +1,54 @@
+[workspace.package]
+authors = ["Snowfork <contact@snowfork.com>"]
+edition = "2021"
+repository = "https://github.com/snowfork/polkadot-sdk.git"
+
+[workspace]
+resolver = "2"
+members = [
+ "pallets/ethereum-client",
+ "pallets/ethereum-client/fixtures",
+ "pallets/inbound-queue",
+ "pallets/inbound-queue/fixtures",
+ "pallets/outbound-queue",
+ "pallets/outbound-queue/merkle-tree",
+ "pallets/outbound-queue/runtime-api",
+ "pallets/system",
+ "pallets/system/runtime-api",
+ "primitives/beacon",
+ "primitives/core",
+ "primitives/ethereum",
+ "primitives/router",
+ "runtime/runtime-common",
+ "runtime/test-common",
+]
+
+
+[workspace.lints.rust]
+suspicious_double_ref_op = { level = "allow", priority = 2 }
+
+[workspace.lints.clippy]
+all = { level = "allow", priority = 0 }
+correctness = { level = "warn", priority = 1 }
+complexity = { level = "warn", priority = 1 }
+if-same-then-else = { level = "allow", priority = 2 }
+zero-prefixed-literal = { level = "allow", priority = 2 } # 00_1000_000
+type_complexity = { level = "allow", priority = 2 } # raison d'etre
+nonminimal-bool = { level = "allow", priority = 2 } # maybe
+borrowed-box = { level = "allow", priority = 2 } # Reasonable to fix this one
+too-many-arguments = { level = "allow", priority = 2 } # (Turning this on would lead to)
+needless-lifetimes = { level = "allow", priority = 2 } # generated code
+unnecessary_cast = { level = "allow", priority = 2 } # Types may change
+identity-op = { level = "allow", priority = 2 } # One case where we do 0 +
+useless_conversion = { level = "allow", priority = 2 } # Types may change
+unit_arg = { level = "allow", priority = 2 } # stylistic
+option-map-unit-fn = { level = "allow", priority = 2 } # stylistic
+bind_instead_of_map = { level = "allow", priority = 2 } # stylistic
+erasing_op = { level = "allow", priority = 2 } # E.g. 0 * DOLLARS
+eq_op = { level = "allow", priority = 2 } # In tests we test equality.
+while_immutable_condition = { level = "allow", priority = 2 } # false positives
+needless_option_as_deref = { level = "allow", priority = 2 } # false positives
+derivable_impls = { level = "allow", priority = 2 } # false positives
+stable_sort_primitive = { level = "allow", priority = 2 } # prefer stable sort
+extra-unused-type-parameters = { level = "allow", priority = 2 } # stylistic
+default_constructed_unit_structs = { level = "allow", priority = 2 } # stylistic
diff --git a/bridges/snowbridge/LICENSE b/bridges/snowbridge/LICENSE
new file mode 100644
index 0000000000000..261eeb9e9f8b2
--- /dev/null
+++ b/bridges/snowbridge/LICENSE
@@ -0,0 +1,201 @@
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
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+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
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+ risks associated with Your exercise of permissions under this License.
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+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
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diff --git a/bridges/snowbridge/README.md b/bridges/snowbridge/README.md
new file mode 100644
index 0000000000000..3e5f63098ac98
--- /dev/null
+++ b/bridges/snowbridge/README.md
@@ -0,0 +1,134 @@
+# Snowbridge ·
+[](https://codecov.io/gh/Snowfork/polkadot-sdk)
+
+
+Snowbridge is a trustless bridge between Polkadot and Ethereum. For documentation, visit https://docs.snowbridge.network.
+
+## Components
+
+The Snowbridge project lives in two repositories:
+
+- [Snowfork/polkadot-sdk](https://github.com/Snowfork/polkadot-sdk): The Snowbridge parachain and pallets live in
+a fork of the polkadot-sdk. Changes are eventually contributed back to
+[paritytech/polkadot-sdk](https://github.com/paritytech/polkadot-sdk)
+- [Snowfork/snowbridge](https://github.com/Snowfork/snowbridge): The rest of the Snowbridge components, like contracts,
+off-chain relayer, end-to-end tests and test-net setup code.
+
+### Parachain
+
+Polkadot parachain and our pallets. See [README.md](https://github.com/Snowfork/polkadot-sdk/blob/snowbridge/bridges/snowbridge/README.md).
+
+### Contracts
+
+Ethereum contracts and unit tests. See [Snowfork/snowbridge/contracts/README.md](https://github.com/Snowfork/snowbridge/blob/main/contracts/README.md)
+
+### Relayer
+
+Off-chain relayer services for relaying messages between Polkadot and Ethereum. See
+[Snowfork/snowbridge/relayer/README.md](https://github.com/Snowfork/snowbridge/blob/main/relayer/README.md)
+
+### Local Testnet
+
+Scripts to provision a local testnet, running the above services to bridge between local deployments of Polkadot and
+Ethereum. See [Snowfork/snowbridge/web/packages/test/README.md](https://github.com/Snowfork/snowbridge/blob/main/web/packages/test/README.md).
+
+### Smoke Tests
+
+Integration tests for our local testnet. See [Snowfork/snowbridge/smoketest/README.md](https://github.com/Snowfork/snowbridge/blob/main/smoketest/README.md).
+
+## Development
+
+We use the Nix package manager to provide a reproducible and maintainable developer environment.
+
+After [installing nix](https://nixos.org/download.html) Nix, enable [flakes](https://nixos.wiki/wiki/Flakes):
+
+```sh
+mkdir -p ~/.config/nix
+echo 'experimental-features = nix-command flakes' >> ~/.config/nix/nix.conf
+```
+
+Then activate a developer shell in the root of our repo, where
+[`flake.nix`](https://github.com/Snowfork/snowbridge/blob/main/flake.nix) is located:
+
+```sh
+nix develop
+```
+
+Also make sure to run this initialization script once:
+```sh
+scripts/init.sh
+```
+
+### Support for code editors
+
+To ensure your code editor (such as VS Code) can execute tools in the nix shell, startup your editor within the
+interactive shell.
+
+Example for VS Code:
+
+```sh
+nix develop
+code .
+```
+
+### Custom shells
+
+The developer shell is bash by default. To preserve your existing shell:
+
+```sh
+nix develop --command $SHELL
+```
+
+### Automatic developer shells
+
+To automatically enter the developer shell whenever you open the project, install
+[`direnv`](https://direnv.net/docs/installation.html) and use the template `.envrc`:
+
+```sh
+cp .envrc.example .envrc
+direnv allow
+```
+
+### Upgrading the Rust toolchain
+
+Sometimes we would like to upgrade rust toolchain. First update `rust-toolchain.toml` as required and then
+update `flake.lock` running
+```sh
+nix flake lock --update-input rust-overlay
+```
+
+## Troubleshooting
+
+Check the contents of all `.envrc` files.
+
+Remove untracked files:
+```sh
+git clean -idx
+```
+
+Ensure that the current Rust toolchain is the one selected in `scripts/init.sh`.
+
+Ensure submodules are up-to-date:
+```sh
+git submodule update
+```
+
+Check untracked files & directories:
+```sh
+git clean -ndx | awk '{print $3}'
+```
+After removing `node_modules` directories (eg. with `git clean above`), clear the pnpm cache:
+```sh
+pnpm store prune
+```
+
+Check Nix config in `~/.config/nix/nix.conf`.
+
+Run a pure developer shell (note that this removes access to your local tools):
+```sh
+nix develop -i --pure-eval
+```
+
+## Security
+
+The security policy and procedures can be found in SECURITY.md.
diff --git a/bridges/snowbridge/pallets/ethereum-client/Cargo.toml b/bridges/snowbridge/pallets/ethereum-client/Cargo.toml
new file mode 100644
index 0000000000000..a30cb88c908e0
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/Cargo.toml
@@ -0,0 +1,101 @@
+[package]
+name = "snowbridge-pallet-ethereum-client"
+description = "Snowbridge Ethereum Client Pallet"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+serde = { version = "1.0.195", optional = true }
+serde_json = { version = "1.0.111", optional = true }
+codec = { version = "3.6.1", package = "parity-scale-codec", default-features = false, features = ["derive"] }
+scale-info = { version = "2.9.0", default-features = false, features = ["derive"] }
+ssz_rs = { version = "0.9.0", default-features = false }
+ssz_rs_derive = { version = "0.9.0", default-features = false }
+byte-slice-cast = { version = "1.2.1", default-features = false }
+rlp = { version = "0.5.2", default-features = false }
+hex-literal = { version = "0.4.1", optional = true }
+log = { version = "0.4.20", default-features = false }
+
+frame-benchmarking = { path = "../../../../substrate/frame/benchmarking", default-features = false, optional = true }
+frame-support = { path = "../../../../substrate/frame/support", default-features = false }
+frame-system = { path = "../../../../substrate/frame/system", default-features = false }
+sp-core = { path = "../../../../substrate/primitives/core", default-features = false }
+sp-std = { path = "../../../../substrate/primitives/std", default-features = false }
+sp-runtime = { path = "../../../../substrate/primitives/runtime", default-features = false }
+sp-io = { path = "../../../../substrate/primitives/io", default-features = false, optional = true }
+
+snowbridge-core = { path = "../../primitives/core", default-features = false }
+snowbridge-ethereum = { path = "../../primitives/ethereum", default-features = false }
+snowbridge-pallet-ethereum-client-fixtures = { path = "./fixtures", default-features = false, optional = true }
+primitives = { package = "snowbridge-beacon-primitives", path = "../../primitives/beacon", default-features = false }
+static_assertions = { version = "1.1.0", default-features = false }
+bp-runtime = { path = "../../../primitives/runtime", default-features = false }
+pallet-timestamp = { path = "../../../../substrate/frame/timestamp", default-features = false, optional = true }
+
+[dev-dependencies]
+rand = "0.8.5"
+sp-keyring = { path = "../../../../substrate/primitives/keyring" }
+serde_json = "1.0.111"
+hex-literal = "0.4.1"
+pallet-timestamp = { path = "../../../../substrate/frame/timestamp" }
+snowbridge-pallet-ethereum-client-fixtures = { path = "./fixtures" }
+sp-io = { path = "../../../../substrate/primitives/io" }
+serde = "1.0.195"
+
+[features]
+default = ["std"]
+fuzzing = [
+ "hex-literal",
+ "pallet-timestamp",
+ "serde",
+ "serde_json",
+ "sp-io",
+]
+std = [
+ "bp-runtime/std",
+ "byte-slice-cast/std",
+ "codec/std",
+ "frame-support/std",
+ "frame-system/std",
+ "log/std",
+ "pallet-timestamp/std",
+ "primitives/std",
+ "rlp/std",
+ "scale-info/std",
+ "serde",
+ "snowbridge-core/std",
+ "snowbridge-ethereum/std",
+ "snowbridge-pallet-ethereum-client-fixtures/std",
+ "sp-core/std",
+ "sp-io/std",
+ "sp-runtime/std",
+ "sp-std/std",
+ "ssz_rs/std",
+ 'frame-benchmarking/std',
+]
+runtime-benchmarks = [
+ "frame-benchmarking/runtime-benchmarks",
+ "frame-support/runtime-benchmarks",
+ "frame-system/runtime-benchmarks",
+ "hex-literal",
+ "pallet-timestamp?/runtime-benchmarks",
+ "snowbridge-core/runtime-benchmarks",
+ "snowbridge-pallet-ethereum-client-fixtures/runtime-benchmarks",
+ "sp-runtime/runtime-benchmarks",
+]
+try-runtime = [
+ "frame-support/try-runtime",
+ "frame-system/try-runtime",
+ "pallet-timestamp?/try-runtime",
+ "sp-runtime/try-runtime",
+]
diff --git a/bridges/snowbridge/pallets/ethereum-client/README.md b/bridges/snowbridge/pallets/ethereum-client/README.md
new file mode 100644
index 0000000000000..0cd3b9f85587e
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/README.md
@@ -0,0 +1,3 @@
+# Ethereum Beacon Client
+
+The Ethereum Beacon Client is an on-chain light client that tracks Ethereum consensus using the beacon chain.
diff --git a/bridges/snowbridge/pallets/ethereum-client/benchmark.md b/bridges/snowbridge/pallets/ethereum-client/benchmark.md
new file mode 100644
index 0000000000000..2e19fece7cbd7
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/benchmark.md
@@ -0,0 +1,88 @@
+# Motivation
+Demonstrate that
+[FastAggregateVerify](https://datatracker.ietf.org/doc/html/draft-irtf-cfrg-bls-signature-04#section-3.3.4) is the most
+expensive call in ethereum beacon light client, though in [#13031](https://github.com/paritytech/substrate/pull/13031)
+Parity team has wrapped some low level host functions for `bls-12381` but adding a high level host function specific
+for it is super helpful.
+
+# Benchmark
+We add several benchmarks
+[here](https://github.com/Snowfork/snowbridge/blob/8891ca3cdcf2e04d8118c206588c956541ae4710/parachain/pallets/ethereum-client/src/benchmarking/mod.rs#L98-L124)
+as following to demonstrate
+[bls_fast_aggregate_verify](https://github.com/Snowfork/snowbridge/blob/8891ca3cdcf2e04d8118c206588c956541ae4710/parachain/pallets/ethereum-client/src/lib.rs#L764)
+is the main bottleneck. Test data
+[here](https://github.com/Snowfork/snowbridge/blob/8891ca3cdcf2e04d8118c206588c956541ae4710/parachain/pallets/ethereum-client/src/benchmarking/data_mainnet.rs#L553-L1120)
+is real from goerli network which contains 512 public keys from sync committee.
+
+## sync_committee_period_update
+Base line benchmark for extrinsic [sync_committee_period_update](https://github.com/Snowfork/snowbridge/blob/8891ca3cdcf2e04d8118c206588c956541ae4710/parachain/pallets/ethereum-client/src/lib.rs#L233)
+
+## bls_fast_aggregate_verify
+Subfunction of extrinsic `sync_committee_period_update` which does what
+[FastAggregateVerify](https://datatracker.ietf.org/doc/html/draft-irtf-cfrg-bls-signature-04#section-3.3.4) requires.
+
+## bls_aggregate_pubkey
+Subfunction of `bls_fast_aggregate_verify` which decompress and instantiate G1 pubkeys only.
+
+## bls_verify_message
+Subfunction of `bls_fast_aggregate_verify` which verify the prepared signature only.
+
+
+# Result
+
+## hardware spec
+Run benchmark in a EC2 instance
+```
+cargo run --release --bin polkadot-parachain --features runtime-benchmarks -- benchmark machine --base-path /mnt/scratch/benchmark
+
++----------+----------------+-------------+-------------+-------------------+
+| Category | Function | Score | Minimum | Result |
++===========================================================================+
+| CPU | BLAKE2-256 | 1.08 GiBs | 1.00 GiBs | ✅ Pass (107.5 %) |
+|----------+----------------+-------------+-------------+-------------------|
+| CPU | SR25519-Verify | 568.87 KiBs | 666.00 KiBs | ❌ Fail ( 85.4 %) |
+|----------+----------------+-------------+-------------+-------------------|
+| Memory | Copy | 13.67 GiBs | 14.32 GiBs | ✅ Pass ( 95.4 %) |
+|----------+----------------+-------------+-------------+-------------------|
+| Disk | Seq Write | 334.35 MiBs | 450.00 MiBs | ❌ Fail ( 74.3 %) |
+|----------+----------------+-------------+-------------+-------------------|
+| Disk | Rnd Write | 143.59 MiBs | 200.00 MiBs | ❌ Fail ( 71.8 %) |
++----------+----------------+-------------+-------------+-------------------+
+```
+
+## benchmark
+
+```
+cargo run --release --bin polkadot-parachain \
+--features runtime-benchmarks \
+-- \
+benchmark pallet \
+--base-path /mnt/scratch/benchmark \
+--chain=bridge-hub-rococo-dev \
+--pallet=snowbridge_pallet_ethereum_client \
+--extrinsic="*" \
+--execution=wasm --wasm-execution=compiled \
+--steps 50 --repeat 20 \
+--output ./parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/snowbridge_pallet_ethereum_client.rs
+```
+
+### [Weights](https://github.com/Snowfork/cumulus/blob/ron/benchmark-beacon-bridge/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/snowbridge_pallet_ethereum_client.rs)
+
+|extrinsic | minimum execution time benchmarked(us) |
+| --------------------------------------- |----------------------------------------|
+|sync_committee_period_update | 123_126 |
+|bls_fast_aggregate_verify| 121_083 |
+|bls_aggregate_pubkey | 90_306 |
+|bls_verify_message | 28_000 |
+
+- [bls_fast_aggregate_verify](#bls_fast_aggregate_verify) consumes 98% execution time of [sync_committee_period_update](#sync_committee_period_update)
+
+- [bls_aggregate_pubkey](#bls_aggregate_pubkey) consumes 75% execution time of [bls_fast_aggregate_verify](#bls_fast_aggregate_verify)
+
+- [bls_verify_message](#bls_verify_message) consumes 23% execution time of [bls_fast_aggregate_verify](#bls_fast_aggregate_verify)
+
+# Conclusion
+
+A high level host function specific for
+[bls_fast_aggregate_verify](https://github.com/Snowfork/snowbridge/blob/8891ca3cdcf2e04d8118c206588c956541ae4710/parachain/pallets/ethereum-client/src/lib.rs#L764)
+is super helpful.
diff --git a/bridges/snowbridge/pallets/ethereum-client/fixtures/Cargo.toml b/bridges/snowbridge/pallets/ethereum-client/fixtures/Cargo.toml
new file mode 100644
index 0000000000000..fd1914a7d30e8
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/fixtures/Cargo.toml
@@ -0,0 +1,44 @@
+[package]
+name = "snowbridge-pallet-ethereum-client-fixtures"
+description = "Snowbridge Ethereum Client Test Fixtures"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+hex-literal = { version = "0.4.1" }
+sp-core = { path = "../../../../../substrate/primitives/core", default-features = false }
+sp-std = { path = "../../../../../substrate/primitives/std", default-features = false }
+frame-benchmarking = { path = "../../../../../substrate/frame/benchmarking", default-features = false, optional = true }
+frame-support = { path = "../../../../../substrate/frame/support", default-features = false }
+frame-system = { path = "../../../../../substrate/frame/system", default-features = false }
+snowbridge-core = { path = "../../../primitives/core", default-features = false }
+snowbridge-beacon-primitives = { path = "../../../primitives/beacon", default-features = false }
+
+[features]
+default = ["std"]
+std = [
+ "frame-benchmarking/std",
+ "frame-support/std",
+ "frame-system/std",
+ "snowbridge-beacon-primitives/std",
+ "snowbridge-core/std",
+ "sp-core/std",
+ "sp-std/std",
+]
+runtime-benchmarks = [
+ "frame-benchmarking",
+ "frame-benchmarking/runtime-benchmarks",
+ "frame-support/runtime-benchmarks",
+ "frame-system/runtime-benchmarks",
+ "snowbridge-core/runtime-benchmarks",
+]
diff --git a/bridges/snowbridge/pallets/ethereum-client/fixtures/src/lib.rs b/bridges/snowbridge/pallets/ethereum-client/fixtures/src/lib.rs
new file mode 100644
index 0000000000000..facaffb8149cd
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/fixtures/src/lib.rs
@@ -0,0 +1,1225 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+// Generated, do not edit!
+// See README.md for instructions to generate
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use hex_literal::hex;
+use snowbridge_beacon_primitives::{
+ types::deneb, updates::AncestryProof, BeaconHeader, ExecutionHeaderUpdate,
+ NextSyncCommitteeUpdate, SyncAggregate, SyncCommittee, VersionedExecutionPayloadHeader,
+};
+use sp_core::U256;
+use sp_std::{boxed::Box, vec};
+
+const SC_SIZE: usize = 512;
+const SC_BITS_SIZE: usize = 64;
+type CheckpointUpdate = snowbridge_beacon_primitives::CheckpointUpdate<SC_SIZE>;
+type Update = snowbridge_beacon_primitives::Update<SC_SIZE, SC_BITS_SIZE>;
+
+pub fn make_checkpoint() -> Box<CheckpointUpdate> {
+ Box::new(CheckpointUpdate {
+ header: BeaconHeader {
+ slot: 2496,
+ proposer_index: 2,
+ parent_root: hex!("c99e49787106733eeebab4d93eb326e1f2214575c9d928f0c4ab0da0776f1622").into(),
+ state_root: hex!("fbf8a08c86ef36bd173e37e733da4a78aa8e85fee99a990e858dd12a59087fde").into(),
+ body_root: hex!("a2a8ad06901447b2807a9059580a4c40d8a941f325b1343c69f7c7c6c90e4ab0").into(),
+ },
+ current_sync_committee: SyncCommittee {
+ pubkeys: [
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
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+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ ],
+ aggregate_pubkey: hex!("8fbd66eeec2ff69ef0b836f04b1d67d88bcd4dfd495061964ad757c77abe822a39fa1cd8ed0d4d9bc9276cea73fd745c").into(),
+ },
+ current_sync_committee_branch: vec![
+ hex!("3ade38d498a062b50880a9409e1ca3a7fd4315d91eeb3bb83e56ac6bfe8d6a59").into(),
+ hex!("93880225bf99a0c5ec22b266ff829837754e9c5edf37a68c05b8f803fd82fa45").into(),
+ hex!("4c60656ec9a95fcf11030ad309c716b5b15beb7f60a0bcfc7c9d4eff505472ff").into(),
+ hex!("22d1645fceb4bf9a695043dda19a53e784ec70df6a6b1bd66ea30eba1cca5f2f").into(),
+ hex!("a8fc6cad84ceefc633ec56c2d031d525e1cb4b51c70eb252919fce5bba9a1fde").into(),
+ ],
+ validators_root: hex!("270d43e74ce340de4bca2b1936beca0f4f5408d9e78aec4850920baf659d5b69").into(),
+ block_roots_root: hex!("d160b7687041891b73e54b06fc4e04f82d0fa8fdd76705895e216c6b24709dfe").into(),
+ block_roots_branch: vec![
+ hex!("105290e42d98ab6a0ada6e55453cede36c672abf645eeb986b88d7487616e135").into(),
+ hex!("9da41f274bcdf6122335443d9ce94d07163b48dba3e2f9499ff56f4e48b48b99").into(),
+ hex!("ecea7e1d3152d8130e83afdfe34b4de4ba2b69a33c9471991096daf454de9cf5").into(),
+ hex!("b2bf1758e50b2bfff29169fbc70fdb884b2b05bb615dbc53567574da6f4f1ae2").into(),
+ hex!("cd87069daf70975779126d6af833b7d636c75ca4d5e750ebcad0e76408a5e5bf").into(),
+ ],
+ })
+}
+
+pub fn make_sync_committee_update() -> Box<Update> {
+ Box::new(Update {
+ attested_header: BeaconHeader {
+ slot: 129,
+ proposer_index: 5,
+ parent_root: hex!("e32b6c18f029e755b0273dc1c4fa2bc4979794c8286ad40276c1b8a8e36049d8").into(),
+ state_root: hex!("5ec9dacf25a5f09f20be0c59246b3d8dcfe64bd085b4bac5cec180690339801e").into(),
+ body_root: hex!("4080cf2412d6ff77fc3164ad6155423a7112f207f173145ec16371a93f481f87").into(),
+ },
+ sync_aggregate: SyncAggregate{
+ sync_committee_bits: hex!("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"),
+ sync_committee_signature: hex!("a761c3333fbb3d36bc8f65454f898da38001499dcd37494cf3d86940a995399ae649216ba4c985af154f83f72c8b1856079b7636a7a8d7d3f7602df2cbf699edb72b65253e82de4d9cc4db7377eafb22f799129f63f094a21c00675bdd5cc243").into(),
+ },
+ signature_slot: 130,
+ next_sync_committee_update: Some(NextSyncCommitteeUpdate {
+ next_sync_committee: SyncCommittee {
+ pubkeys: [
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
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+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ hex!("ab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34").into(),
+ hex!("a8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac").into(),
+ hex!("9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373").into(),
+ hex!("b89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b").into(),
+ hex!("81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e").into(),
+ hex!("88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e").into(),
+ hex!("a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c").into(),
+ hex!("a3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b").into(),
+ ],
+ aggregate_pubkey: hex!("8fbd66eeec2ff69ef0b836f04b1d67d88bcd4dfd495061964ad757c77abe822a39fa1cd8ed0d4d9bc9276cea73fd745c").into(),
+ },
+ next_sync_committee_branch: vec![
+ hex!("3ade38d498a062b50880a9409e1ca3a7fd4315d91eeb3bb83e56ac6bfe8d6a59").into(),
+ hex!("fd1e5ff5d4a15081efe3ff17857b1f95984c9a271b1c41c2f81f43e60c2cc541").into(),
+ hex!("e1c97f93bb7352d395d1ff8ee29881572cb7eb5d71634783701171dcd30cd93d").into(),
+ hex!("77fa2170ddbd89b15dae02f2e6cf9f76c8e00d1c4217320acffbe01576d0da61").into(),
+ hex!("e97288e0627219087a024078d69445f34f0583a6350a7c3c40c39fd1fa6f8d68").into(),
+ ],
+ }),
+ finalized_header: BeaconHeader{
+ slot: 64,
+ proposer_index: 4,
+ parent_root: hex!("0f7bc2353778c14c7f6dba0fc5fe6eec87228b0d3a5447b61dce67b4d9338de3").into(),
+ state_root: hex!("feb990de653ce494c0a263f820eaf05a9300dbdc30cb6065ede602827bfccde4").into(),
+ body_root: hex!("f5235cd8c24f2695fc5b7989926305c10ad8cf5a87d62a739f675f5543df2ec1").into(),
+ },
+ finality_branch: vec![
+ hex!("0200000000000000000000000000000000000000000000000000000000000000").into(),
+ hex!("10c726fac935bf9657cc7476d3cfa7bedec5983dcfb59e8a7df6d0a619e108d7").into(),
+ hex!("98e9116c6bb7f20de18800dc63e73e689d06d6a47d35b5e2b32cf093d475840d").into(),
+ hex!("e1c97f93bb7352d395d1ff8ee29881572cb7eb5d71634783701171dcd30cd93d").into(),
+ hex!("77fa2170ddbd89b15dae02f2e6cf9f76c8e00d1c4217320acffbe01576d0da61").into(),
+ hex!("e97288e0627219087a024078d69445f34f0583a6350a7c3c40c39fd1fa6f8d68").into(),
+ ],
+ block_roots_root: hex!("6fcdfd1c3fb1bdd421fe59dddfff3855b5ed5e30373887991a0059d019ad12bc").into(),
+ block_roots_branch: vec![
+ hex!("94b59531f172bc24f914bc0c10104ccb158676850f8cc3b47b6ddb7f096ebdd7").into(),
+ hex!("22470ed9155a938587d44d5fa19217c0f939d8862e504e67cd8cb4d1b960795e").into(),
+ hex!("feec3ef1a68f93849e71e84f90b99602cccc31868137b6887ca8244a4b979e8e").into(),
+ hex!("5340ad5877c72dca689ca04bc8fedb78d67a4801d99887937edd8ccd29f87e82").into(),
+ hex!("f5ff4b0c6190005015889879568f5f0d9c40134c7ec4ffdda47950dcd92395ad").into(),
+ ],
+ })
+}
+
+pub fn make_finalized_header_update() -> Box<Update> {
+ Box::new(Update {
+ attested_header: BeaconHeader {
+ slot: 2566,
+ proposer_index: 6,
+ parent_root: hex!("6eb9f13a2c496318ce1ab3087bbd872f5c9519a1a7ca8231a2453e3cb523af00").into(),
+ state_root: hex!("c8cb12766113dff7e46d2917267bf33d0626d99dd47715fcdbc5c65fad3c04b4").into(),
+ body_root: hex!("d8cfd0d7bc9bc3724417a1655bb0a67c0765ca36197320f4d834150b52ef1420").into(),
+ },
+ sync_aggregate: SyncAggregate{
+ sync_committee_bits: hex!("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"),
+ sync_committee_signature: hex!("9296f9a0387f2cac47008e22ad7c3cd3d49d35384c13e6aa1eacca7dca7c3d2ca81515e50eb3396b9550ed20ef7d8fa2049a186598feb2c00e93728045fcff917733d1827481b8fc95f3913e27fc70112c2490496eb57bb7181f02c3f9fd471f").into(),
+ },
+ signature_slot: 2567,
+ next_sync_committee_update: None,
+ finalized_header: BeaconHeader {
+ slot: 2496,
+ proposer_index: 2,
+ parent_root: hex!("c99e49787106733eeebab4d93eb326e1f2214575c9d928f0c4ab0da0776f1622").into(),
+ state_root: hex!("fbf8a08c86ef36bd173e37e733da4a78aa8e85fee99a990e858dd12a59087fde").into(),
+ body_root: hex!("a2a8ad06901447b2807a9059580a4c40d8a941f325b1343c69f7c7c6c90e4ab0").into(),
+ },
+ finality_branch: vec![
+ hex!("4e00000000000000000000000000000000000000000000000000000000000000").into(),
+ hex!("10c726fac935bf9657cc7476d3cfa7bedec5983dcfb59e8a7df6d0a619e108d7").into(),
+ hex!("98e9116c6bb7f20de18800dc63e73e689d06d6a47d35b5e2b32cf093d475840d").into(),
+ hex!("958b8e43347f6df6fa5eb3d62d06a862381a6585aa40640dd1c0de11f1cf89c1").into(),
+ hex!("f107dce04faa86a28fc5d4a618be9cb8d4fc3c23d6c42c3624f3ff4bf6586a03").into(),
+ hex!("a501cdc02e86969ac3e4d0c5a36f4f049efaa1ab8cb6693f51d130eb52a80f30").into(),
+ ],
+ block_roots_root: hex!("d160b7687041891b73e54b06fc4e04f82d0fa8fdd76705895e216c6b24709dfe").into(),
+ block_roots_branch: vec![
+ hex!("105290e42d98ab6a0ada6e55453cede36c672abf645eeb986b88d7487616e135").into(),
+ hex!("9da41f274bcdf6122335443d9ce94d07163b48dba3e2f9499ff56f4e48b48b99").into(),
+ hex!("ecea7e1d3152d8130e83afdfe34b4de4ba2b69a33c9471991096daf454de9cf5").into(),
+ hex!("b2bf1758e50b2bfff29169fbc70fdb884b2b05bb615dbc53567574da6f4f1ae2").into(),
+ hex!("cd87069daf70975779126d6af833b7d636c75ca4d5e750ebcad0e76408a5e5bf").into(),
+ ]
+ })
+}
+
+pub fn make_execution_header_update() -> Box<ExecutionHeaderUpdate> {
+ Box::new(ExecutionHeaderUpdate {
+ header: BeaconHeader {
+ slot: 215,
+ proposer_index: 2,
+ parent_root: hex!("97518f531a252bb6ca547b21aca9da767943ec99211d3b15c804e34c3a523f45").into(),
+ state_root: hex!("b088b5a3a8c90d6dc919a695cd7bb0267c6f983ea2e675c559ceb8f46cb90b67").into(),
+ body_root: hex!("0ba23c8224fdd01531d5ad51486353bd524a0b4c20bca704e26d3210616f829b").into(),
+ },
+ ancestry_proof: Some(AncestryProof {
+ header_branch: vec![
+ hex!("97518f531a252bb6ca547b21aca9da767943ec99211d3b15c804e34c3a523f45").into(),
+ hex!("5ce0db996bd499c2b4f7a93263d5aafd052f420efb617cce6fdd54e25516aa45").into(),
+ hex!("84f0e373b66011ce774c7061440c0a50a51cce2b4b335395eee3e563d605597f").into(),
+ hex!("48f9ccc5f9594142c18c3b5c39a99f0549329c6ab3ba06c9a50030eadca87770").into(),
+ hex!("f89d6e311e05bc75a6f63ce118bccce254551f1a88d54c3b4f773f81f946bd99").into(),
+ hex!("2edd6d893c22636675147c07dfcdb541a146e87c3f15b51c388be4868246dc9b").into(),
+ hex!("d76b7de5f856e3208a91a42c9c398a7f4fab35e667bf916346050ae742514a2d").into(),
+ hex!("83a2e233e76385953ca41de4c3afe60471a61f0cc1b3846b4a0670e3e563b747").into(),
+ hex!("e783a5a109c2ad74e4eb53e8f6b11b31266a92a9e16c1fd5873109c5d41b282c").into(),
+ hex!("d4ea1ef3869ee6a0fd0b19d7d70027d144eecd4f1d32cbf47632a0a9069164b9").into(),
+ hex!("f8179564b58eb93a850d35e4156a04db651106442ad891c3e85155c1762792f1").into(),
+ hex!("4cbb1edb48cf1e32fb30db60aaaeaf6190ffe4d0c8dbc96cec307daecb78be12").into(),
+ hex!("b7d05f875f140027ef5118a2247bbb84ce8f2f0f1123623085daf7960c329f5f").into(),
+ ],
+ finalized_block_root: hex!("890a7f23b9ed2160901654be9efc575d6830ca860e2a97866ae3423fb7bd7231").into(),
+ }),
+ execution_header: VersionedExecutionPayloadHeader::Deneb(deneb::ExecutionPayloadHeader {
+ parent_hash: hex!("d82ec63f5c5e6ba61d62f09c188f158e6449b94bdcc31941e68639eec3c4cf7a").into(),
+ fee_recipient: hex!("0000000000000000000000000000000000000000").into(),
+ state_root: hex!("8b65545fe5f3216b47b6339b9c91ca2b7f1032a970b04246d9e9fb4460ee34c3").into(),
+ receipts_root: hex!("7b1f61b9714c080ef0be014e01657a15f45f0304b477beebc7ca5596c8033095").into(),
+ logs_bloom: hex!("00000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000080000000000000000000000000000004000000000080000000000000000000000000000000000010100000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000040004000000000000002000002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000200000000000010").into(),
+ prev_randao: hex!("6d9e2a012d82b1b6cb0a2c1c1ed24cc16dbb56e6e39ae545371e0666ab057862").into(),
+ block_number: 215,
+ gas_limit: 64842908,
+ gas_used: 119301,
+ timestamp: 1705859527,
+ extra_data: hex!("d983010d0a846765746888676f312e32312e358664617277696e").into(),
+ base_fee_per_gas: U256::from(7u64),
+ block_hash: hex!("48498dbfbcfae53a7f4c289ee00747aceea925f6260c50ead5a33e1c55c40f98").into(),
+ transactions_root: hex!("5ebc1347fe3df0611d4f66b19bd8e1c6f4eaed0371d850f14c83b1c77ea234e6").into(),
+ withdrawals_root: hex!("792930bbd5baac43bcc798ee49aa8185ef76bb3b44ba62b91d86ae569e4bb535").into(),
+ blob_gas_used: 0,
+ excess_blob_gas: 0,
+ }),
+ execution_branch: vec![
+ hex!("f8c69d3830406d668619bcccc13c8dddde41e863326f7418b241d5924c4ad34a").into(),
+ hex!("b46f0c01805fe212e15907981b757e6c496b0cb06664224655613dcec82505bb").into(),
+ hex!("db56114e00fdd4c1f85c892bf35ac9a89289aaecb1ebd0a96cde606a748b5d71").into(),
+ hex!("f4d6b5cf9c6e212615c3674fa625d04eb1114153fb221ef5ad02aa433fc67cfb").into(),
+ ],
+ })
+}
diff --git a/bridges/snowbridge/pallets/ethereum-client/fuzz/.gitignore b/bridges/snowbridge/pallets/ethereum-client/fuzz/.gitignore
new file mode 100644
index 0000000000000..2f940cc8b2ea7
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/fuzz/.gitignore
@@ -0,0 +1,5 @@
+target
+corpus
+artifacts
+coverage
+.idea
diff --git a/bridges/snowbridge/pallets/ethereum-client/fuzz/Cargo.toml b/bridges/snowbridge/pallets/ethereum-client/fuzz/Cargo.toml
new file mode 100644
index 0000000000000..2a4e91590c248
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/fuzz/Cargo.toml
@@ -0,0 +1,41 @@
+[package]
+name = "snowbridge-ethereum-client-fuzz"
+version = "0.0.0"
+publish = false
+edition = "2021"
+
+[package.metadata]
+cargo-fuzz = true
+
+[dependencies]
+libfuzzer-sys = { version = "0.4", features = ["arbitrary-derive"] }
+arbitrary = { version = "1", optional = true, features = ["derive"] }
+snowbridge-pallet-ethereum-client = { path = "..", features = ["fuzzing"] }
+snowbridge-beacon-primitives = { path = "../../../primitives/beacon" }
+hex-literal = "0.4.1"
+sp-core = { path = "../../../../../substrate/primitives/core", default-features = false }
+
+# Prevent this from interfering with workspaces
+[workspace]
+members = ["."]
+
+[profile.release]
+debug = 1
+
+[[bin]]
+name = "fuzz_force_checkpoint"
+path = "fuzz_targets/fuzz_force_checkpoint.rs"
+test = false
+doc = false
+
+[[bin]]
+name = "fuzz_submit"
+path = "fuzz_targets/fuzz_submit.rs"
+test = false
+doc = false
+
+[[bin]]
+name = "fuzz_submit_execution_header"
+path = "fuzz_targets/fuzz_submit_execution_header.rs"
+test = false
+doc = false
diff --git a/bridges/snowbridge/pallets/ethereum-client/fuzz/README.md b/bridges/snowbridge/pallets/ethereum-client/fuzz/README.md
new file mode 100644
index 0000000000000..eeecf199ca041
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/fuzz/README.md
@@ -0,0 +1,21 @@
+# Beacon client fuzz tests
+
+This crate contains fuzz tests for the three beacon client extrinsics.
+
+# Installation
+
+```
+cargo install cargo-fuzz
+```
+
+# Run tests
+
+- Force Checkpoint: `cargo fuzz run fuzz_force_checkpoint -- -max_len=10000000000`
+- Submit: `cargo fuzz run fuzz_submit -- -max_len=10000000000`
+- Submit Execution Header: `cargo fuzz run fuzz_submit_execution_header -- -max_len=10000000000`
+
+Note: `max-len` is necessary because the max input length is 4096 bytes. Some of our inputs are larger than this
+default value. When running the tests without an increased max len parameter, no fuzz data will be generated.
+
+The tests will keep running until a crash is found, so in our CI setup the number of runs is limited so that the
+test completes.
diff --git a/bridges/snowbridge/pallets/ethereum-client/fuzz/fuzz_targets/fuzz_force_checkpoint.rs b/bridges/snowbridge/pallets/ethereum-client/fuzz/fuzz_targets/fuzz_force_checkpoint.rs
new file mode 100644
index 0000000000000..2e3d7543f469d
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/fuzz/fuzz_targets/fuzz_force_checkpoint.rs
@@ -0,0 +1,16 @@
+#![no_main]
+extern crate snowbridge_pallet_ethereum_client;
+
+use libfuzzer_sys::fuzz_target;
+use snowbridge_pallet_ethereum_client::{mock::*, types::CheckpointUpdate};
+use snowbridge_ethereum_beacon_client_fuzz::types::FuzzCheckpointUpdate;
+use std::convert::TryInto;
+
+fuzz_target!(|input: FuzzCheckpointUpdate| {
+ new_tester().execute_with(|| {
+ let update: CheckpointUpdate = input.try_into().unwrap();
+ let result =
+ EthereumBeaconClient::force_checkpoint(RuntimeOrigin::root(), Box::new(update));
+ assert!(result.is_err());
+ });
+});
diff --git a/bridges/snowbridge/pallets/ethereum-client/fuzz/fuzz_targets/fuzz_submit.rs b/bridges/snowbridge/pallets/ethereum-client/fuzz/fuzz_targets/fuzz_submit.rs
new file mode 100644
index 0000000000000..79c69e2cb23f0
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/fuzz/fuzz_targets/fuzz_submit.rs
@@ -0,0 +1,16 @@
+#![no_main]
+extern crate snowbridge_pallet_ethereum_client;
+
+use snowbridge_pallet_ethereum_client::{mock::*, types::Update};
+use snowbridge_ethereum_beacon_client_fuzz::types::FuzzUpdate;
+use std::convert::TryInto;
+
+use libfuzzer_sys::fuzz_target;
+
+fuzz_target!(|input: FuzzUpdate| {
+ new_tester().execute_with(|| {
+ let update: Update = input.try_into().unwrap();
+ let result = EthereumBeaconClient::submit(RuntimeOrigin::signed(1), Box::new(update));
+ assert!(result.is_err());
+ });
+});
diff --git a/bridges/snowbridge/pallets/ethereum-client/fuzz/fuzz_targets/fuzz_submit_execution_header.rs b/bridges/snowbridge/pallets/ethereum-client/fuzz/fuzz_targets/fuzz_submit_execution_header.rs
new file mode 100644
index 0000000000000..82f4ea97079bf
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/fuzz/fuzz_targets/fuzz_submit_execution_header.rs
@@ -0,0 +1,19 @@
+#![no_main]
+extern crate snowbridge_pallet_ethereum_client;
+
+use snowbridge_beacon_primitives::ExecutionHeaderUpdate;
+use snowbridge_pallet_ethereum_client::mock::*;
+use snowbridge_pallet_ethereum_client::types::FuzzExecutionHeaderUpdate;
+
+use libfuzzer_sys::fuzz_target;
+
+fuzz_target!(|input: FuzzExecutionHeaderUpdate| {
+ new_tester().execute_with(|| {
+ let update: ExecutionHeaderUpdate = input.try_into().unwrap();
+ let result = EthereumBeaconClient::submit_execution_header(
+ RuntimeOrigin::signed(1),
+ Box::new(update),
+ );
+ assert!(result.is_err());
+ });
+});
diff --git a/bridges/snowbridge/pallets/ethereum-client/fuzz/src/impls.rs b/bridges/snowbridge/pallets/ethereum-client/fuzz/src/impls.rs
new file mode 100644
index 0000000000000..b216429fd3c4b
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/fuzz/src/impls.rs
@@ -0,0 +1,220 @@
+use crate::types::{
+ FuzzAncestryProof, FuzzBeaconHeader, FuzzCheckpointUpdate, FuzzExecutionHeaderUpdate,
+ FuzzExecutionPayloadHeader, FuzzNextSyncCommitteeUpdate, FuzzSyncAggregate, FuzzSyncCommittee,
+ FuzzUpdate,
+};
+use arbitrary::{Arbitrary, Result, Unstructured};
+use libfuzzer_sys::arbitrary;
+use snowbridge_beacon_primitives::{
+ types::BeaconHeader, updates::AncestryProof, ExecutionHeaderUpdate, ExecutionPayloadHeader,
+ PublicKey,
+};
+use snowbridge_pallet_ethereum_client::types::{
+ CheckpointUpdate, NextSyncCommitteeUpdate, SyncAggregate, SyncCommittee, Update,
+};
+use sp_core::H256;
+use std::convert::TryInto;
+
+impl TryFrom<FuzzUpdate> for Update {
+ type Error = String;
+
+ fn try_from(other: FuzzUpdate) -> Result<Self, Self::Error> {
+ let next: Option<NextSyncCommitteeUpdate> = other
+ .next_sync_committee_update
+ .map(|fuzz_update| fuzz_update.try_into().unwrap());
+
+ Ok(Self {
+ attested_header: other.attested_header.clone().try_into().unwrap(),
+ sync_aggregate: other.sync_aggregate.try_into().unwrap(),
+ signature_slot: other.signature_slot,
+ next_sync_committee_update: next,
+ finalized_header: other.finalized_header.clone().try_into().unwrap(),
+ finality_branch: other
+ .finality_branch
+ .iter()
+ .map(|&hash| H256::from(hash))
+ .collect::<Vec<_>>()
+ .as_slice()
+ .try_into()
+ .unwrap(),
+ block_roots_root: other.block_roots_root.into(),
+ block_roots_branch: other
+ .block_roots_branch
+ .iter()
+ .map(|&hash| H256::from(hash))
+ .collect::<Vec<_>>()
+ .as_slice()
+ .try_into()
+ .unwrap(),
+ })
+ }
+}
+
+impl TryFrom<FuzzNextSyncCommitteeUpdate> for NextSyncCommitteeUpdate {
+ type Error = String;
+
+ fn try_from(other: FuzzNextSyncCommitteeUpdate) -> Result<Self, Self::Error> {
+ Ok(Self {
+ next_sync_committee: other.next_sync_committee.try_into().unwrap(),
+ next_sync_committee_branch: other
+ .next_sync_committee_branch
+ .iter()
+ .map(|&hash| H256::from(hash))
+ .collect::<Vec<_>>()
+ .as_slice()
+ .try_into()
+ .unwrap(),
+ })
+ }
+}
+
+impl TryFrom<FuzzSyncAggregate> for SyncAggregate {
+ type Error = String;
+
+ fn try_from(other: FuzzSyncAggregate) -> Result<Self, Self::Error> {
+ Ok(Self {
+ sync_committee_bits: other.sync_committee_bits.into(),
+ sync_committee_signature: other.sync_committee_signature.into(),
+ })
+ }
+}
+
+impl TryFrom<FuzzCheckpointUpdate> for CheckpointUpdate {
+ type Error = String;
+
+ fn try_from(other: FuzzCheckpointUpdate) -> Result<Self, Self::Error> {
+ Ok(Self {
+ header: other.header.clone().try_into().unwrap(),
+ current_sync_committee: other.current_sync_committee.try_into().unwrap(),
+ current_sync_committee_branch: other
+ .current_sync_committee_branch
+ .iter()
+ .map(|&hash| H256::from(hash))
+ .collect::<Vec<_>>()
+ .as_slice()
+ .try_into()
+ .unwrap(),
+ validators_root: other.validators_root.into(),
+ block_roots_root: other.block_roots_root.into(),
+ block_roots_branch: other
+ .block_roots_branch
+ .iter()
+ .map(|&hash| H256::from(hash))
+ .collect::<Vec<_>>()
+ .as_slice()
+ .try_into()
+ .unwrap(),
+ })
+ }
+}
+
+impl TryFrom<FuzzSyncCommittee> for SyncCommittee {
+ type Error = String;
+
+ fn try_from(other: FuzzSyncCommittee) -> Result<Self, Self::Error> {
+ Ok(Self {
+ pubkeys: other
+ .pubkeys
+ .iter()
+ .map(|&pk| { pk.into() })
+ .collect::<Vec<PublicKey>>()
+ .as_slice()
+ .try_into()
+ .unwrap(),
+ aggregate_pubkey: other.aggregate_pubkey.into(),
+ })
+ }
+}
+
+impl TryFrom<FuzzAncestryProof> for AncestryProof {
+ type Error = String;
+
+ fn try_from(other: FuzzAncestryProof) -> Result<Self, Self::Error> {
+ Ok(Self {
+ header_branch: other
+ .header_branch
+ .iter()
+ .map(|&hash| H256::from(hash))
+ .collect::<Vec<_>>()
+ .as_slice()
+ .try_into()
+ .unwrap(),
+ finalized_block_root: other.finalized_block_root.into(),
+ })
+ }
+}
+
+impl TryFrom<FuzzExecutionPayloadHeader> for ExecutionPayloadHeader {
+ type Error = String;
+
+ fn try_from(other: FuzzExecutionPayloadHeader) -> Result<Self, Self::Error> {
+ Ok(Self {
+ parent_hash: other.parent_hash.into(),
+ fee_recipient: other.fee_recipient.into(),
+ state_root: other.state_root.into(),
+ receipts_root: other.receipts_root.into(),
+ logs_bloom: other.logs_bloom.into(),
+ prev_randao: other.prev_randao.into(),
+ block_number: other.block_number,
+ gas_limit: other.gas_limit,
+ gas_used: other.gas_used,
+ timestamp: other.timestamp,
+ extra_data: other.extra_data.into(),
+ base_fee_per_gas: other.base_fee_per_gas.into(),
+ block_hash: other.block_hash.into(),
+ transactions_root: other.transactions_root.into(),
+ withdrawals_root: other.withdrawals_root.into(),
+ })
+ }
+}
+
+impl TryFrom<FuzzBeaconHeader> for BeaconHeader {
+ type Error = String;
+
+ fn try_from(other: FuzzBeaconHeader) -> Result<Self, Self::Error> {
+ Ok(Self {
+ slot: other.slot,
+ proposer_index: other.proposer_index,
+ parent_root: other.parent_root.into(),
+ state_root: other.state_root.into(),
+ body_root: other.body_root.into(),
+ })
+ }
+}
+
+impl TryFrom<FuzzExecutionHeaderUpdate> for ExecutionHeaderUpdate {
+ type Error = String;
+
+ fn try_from(other: FuzzExecutionHeaderUpdate) -> Result<Self, Self::Error> {
+ let ancestry_proof: Option<AncestryProof> =
+ other.ancestry_proof.map(|fuzz_update| fuzz_update.try_into().unwrap());
+
+ Ok(Self {
+ header: other.header.try_into().unwrap(),
+ ancestry_proof,
+ execution_header: other.execution_header.try_into().unwrap(),
+ execution_branch: other
+ .execution_branch
+ .iter()
+ .map(|&hash| H256::from(hash))
+ .collect::<Vec<_>>()
+ .as_slice()
+ .try_into()
+ .unwrap(),
+ })
+ }
+}
+
+// The arbitrary derive implementation is super slow for the pubkey set, so create a custom
+// impl for the sync committee.
+impl Arbitrary<'_> for FuzzSyncCommittee {
+ fn arbitrary(u: &mut Unstructured<'_>) -> Result<Self> {
+ let mut pubkeys = [[0u8; 48]; 32];
+
+ for i in 0..32 {
+ pubkeys[i] = <[u8; 48]>::arbitrary(u)?;
+ }
+
+ Ok(FuzzSyncCommittee { pubkeys, aggregate_pubkey: <[u8; 48]>::arbitrary(u)? })
+ }
+}
diff --git a/bridges/snowbridge/pallets/ethereum-client/fuzz/src/lib.rs b/bridges/snowbridge/pallets/ethereum-client/fuzz/src/lib.rs
new file mode 100644
index 0000000000000..fb880c01820a5
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/fuzz/src/lib.rs
@@ -0,0 +1,2 @@
+pub mod impls;
+pub mod types;
diff --git a/bridges/snowbridge/pallets/ethereum-client/fuzz/src/types.rs b/bridges/snowbridge/pallets/ethereum-client/fuzz/src/types.rs
new file mode 100644
index 0000000000000..37e5eb0d6c4b4
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/fuzz/src/types.rs
@@ -0,0 +1,83 @@
+use libfuzzer_sys::arbitrary;
+
+#[derive(arbitrary::Arbitrary, Debug, Clone)]
+pub struct FuzzCheckpointUpdate {
+ pub header: FuzzBeaconHeader,
+ pub current_sync_committee: FuzzSyncCommittee,
+ pub current_sync_committee_branch: Vec<[u8; 32]>,
+ pub validators_root: [u8; 32],
+ pub block_roots_root: [u8; 32],
+ pub block_roots_branch: Vec<[u8; 32]>,
+}
+
+#[derive(arbitrary::Arbitrary, Debug, Clone)]
+pub struct FuzzBeaconHeader {
+ pub slot: u64,
+ pub proposer_index: u64,
+ pub parent_root: [u8; 32],
+ pub state_root: [u8; 32],
+ pub body_root: [u8; 32],
+}
+
+#[derive(Debug, Clone)]
+pub struct FuzzSyncCommittee {
+ pub pubkeys: [[u8; 48]; 32],
+ pub aggregate_pubkey: [u8; 48],
+}
+
+#[derive(arbitrary::Arbitrary, Debug, Clone)]
+pub struct FuzzUpdate {
+ pub attested_header: FuzzBeaconHeader,
+ pub sync_aggregate: FuzzSyncAggregate,
+ pub signature_slot: u64,
+ pub next_sync_committee_update: Option<FuzzNextSyncCommitteeUpdate>,
+ pub finalized_header: FuzzBeaconHeader,
+ pub finality_branch: Vec<[u8; 32]>,
+ pub block_roots_root: [u8; 32],
+ pub block_roots_branch: Vec<[u8; 32]>,
+}
+
+#[derive(arbitrary::Arbitrary, Debug, Clone)]
+pub struct FuzzSyncAggregate {
+ pub sync_committee_bits: [u8; 4],
+ pub sync_committee_signature: [u8; 96],
+}
+
+#[derive(arbitrary::Arbitrary, Debug, Clone)]
+pub struct FuzzNextSyncCommitteeUpdate {
+ pub next_sync_committee: FuzzSyncCommittee,
+ pub next_sync_committee_branch: Vec<[u8; 32]>,
+}
+
+#[derive(arbitrary::Arbitrary, Debug, Clone)]
+pub struct FuzzExecutionHeaderUpdate {
+ pub header: FuzzBeaconHeader,
+ pub ancestry_proof: Option<FuzzAncestryProof>,
+ pub execution_header: FuzzExecutionPayloadHeader,
+ pub execution_branch: Vec<[u8; 32]>,
+}
+
+#[derive(arbitrary::Arbitrary, Debug, Clone)]
+pub struct FuzzAncestryProof {
+ pub header_branch: Vec<[u8; 32]>,
+ pub finalized_block_root: [u8; 32],
+}
+
+#[derive(arbitrary::Arbitrary, Debug, Clone)]
+pub struct FuzzExecutionPayloadHeader {
+ pub parent_hash: [u8; 32],
+ pub fee_recipient: [u8; 20],
+ pub state_root: [u8; 32],
+ pub receipts_root: [u8; 32],
+ pub logs_bloom: Vec<u8>,
+ pub prev_randao: [u8; 32],
+ pub block_number: u64,
+ pub gas_limit: u64,
+ pub gas_used: u64,
+ pub timestamp: u64,
+ pub extra_data: Vec<u8>,
+ pub base_fee_per_gas: [u8; 32],
+ pub block_hash: [u8; 32],
+ pub transactions_root: [u8; 32],
+ pub withdrawals_root: [u8; 32],
+}
diff --git a/bridges/snowbridge/pallets/ethereum-client/src/benchmarking/mod.rs b/bridges/snowbridge/pallets/ethereum-client/src/benchmarking/mod.rs
new file mode 100644
index 0000000000000..e1520cd715393
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/src/benchmarking/mod.rs
@@ -0,0 +1,147 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use super::*;
+mod util;
+
+use crate::Pallet as EthereumBeaconClient;
+use frame_benchmarking::v2::*;
+use frame_system::RawOrigin;
+
+use snowbridge_pallet_ethereum_client_fixtures::*;
+
+use primitives::{
+ fast_aggregate_verify, prepare_aggregate_pubkey, prepare_aggregate_signature,
+ verify_merkle_branch,
+};
+use util::*;
+
+#[benchmarks]
+mod benchmarks {
+ use super::*;
+
+ #[benchmark]
+ fn force_checkpoint() -> Result<(), BenchmarkError> {
+ let checkpoint_update = make_checkpoint();
+ let block_root: H256 = checkpoint_update.header.hash_tree_root().unwrap();
+
+ #[extrinsic_call]
+ _(RawOrigin::Root, Box::new(*checkpoint_update));
+
+ assert!(<LatestFinalizedBlockRoot<T>>::get() == block_root);
+ assert!(<FinalizedBeaconState<T>>::get(block_root).is_some());
+
+ Ok(())
+ }
+
+ #[benchmark]
+ fn submit() -> Result<(), BenchmarkError> {
+ let caller: T::AccountId = whitelisted_caller();
+ let checkpoint_update = make_checkpoint();
+ let finalized_header_update = make_finalized_header_update();
+ let block_root: H256 = finalized_header_update.finalized_header.hash_tree_root().unwrap();
+ EthereumBeaconClient::<T>::process_checkpoint_update(&checkpoint_update)?;
+
+ #[extrinsic_call]
+ submit(RawOrigin::Signed(caller.clone()), Box::new(*finalized_header_update));
+
+ assert!(<LatestFinalizedBlockRoot<T>>::get() == block_root);
+ assert!(<FinalizedBeaconState<T>>::get(block_root).is_some());
+
+ Ok(())
+ }
+
+ #[benchmark]
+ fn submit_with_sync_committee() -> Result<(), BenchmarkError> {
+ let caller: T::AccountId = whitelisted_caller();
+ let checkpoint_update = make_checkpoint();
+ let sync_committee_update = make_sync_committee_update();
+ EthereumBeaconClient::<T>::process_checkpoint_update(&checkpoint_update)?;
+
+ #[extrinsic_call]
+ submit(RawOrigin::Signed(caller.clone()), Box::new(*sync_committee_update));
+
+ assert!(<NextSyncCommittee<T>>::exists());
+
+ Ok(())
+ }
+
+ #[benchmark]
+ fn submit_execution_header() -> Result<(), BenchmarkError> {
+ let caller: T::AccountId = whitelisted_caller();
+ let checkpoint_update = make_checkpoint();
+ let finalized_header_update = make_finalized_header_update();
+ let execution_header_update = make_execution_header_update();
+ let execution_header_hash = execution_header_update.execution_header.block_hash();
+ EthereumBeaconClient::<T>::process_checkpoint_update(&checkpoint_update)?;
+ EthereumBeaconClient::<T>::process_update(&finalized_header_update)?;
+
+ #[extrinsic_call]
+ _(RawOrigin::Signed(caller.clone()), Box::new(*execution_header_update));
+
+ assert!(<ExecutionHeaders<T>>::contains_key(execution_header_hash));
+
+ Ok(())
+ }
+
+ #[benchmark(extra)]
+ fn bls_fast_aggregate_verify_pre_aggregated() -> Result<(), BenchmarkError> {
+ EthereumBeaconClient::<T>::process_checkpoint_update(&make_checkpoint())?;
+ let update = make_sync_committee_update();
+ let participant_pubkeys = participant_pubkeys::<T>(&update)?;
+ let signing_root = signing_root::<T>(&update)?;
+ let agg_sig =
+ prepare_aggregate_signature(&update.sync_aggregate.sync_committee_signature).unwrap();
+ let agg_pub_key = prepare_aggregate_pubkey(&participant_pubkeys).unwrap();
+
+ #[block]
+ {
+ agg_sig.fast_aggregate_verify_pre_aggregated(signing_root.as_bytes(), &agg_pub_key);
+ }
+
+ Ok(())
+ }
+
+ #[benchmark(extra)]
+ fn bls_fast_aggregate_verify() -> Result<(), BenchmarkError> {
+ EthereumBeaconClient::<T>::process_checkpoint_update(&make_checkpoint())?;
+ let update = make_sync_committee_update();
+ let current_sync_committee = <CurrentSyncCommittee<T>>::get();
+ let absent_pubkeys = absent_pubkeys::<T>(&update)?;
+ let signing_root = signing_root::<T>(&update)?;
+
+ #[block]
+ {
+ fast_aggregate_verify(
+ ¤t_sync_committee.aggregate_pubkey,
+ &absent_pubkeys,
+ signing_root,
+ &update.sync_aggregate.sync_committee_signature,
+ )
+ .unwrap();
+ }
+
+ Ok(())
+ }
+
+ #[benchmark(extra)]
+ fn verify_merkle_proof() -> Result<(), BenchmarkError> {
+ EthereumBeaconClient::<T>::process_checkpoint_update(&make_checkpoint())?;
+ let update = make_sync_committee_update();
+ let block_root: H256 = update.finalized_header.hash_tree_root().unwrap();
+
+ #[block]
+ {
+ verify_merkle_branch(
+ block_root,
+ &update.finality_branch,
+ config::FINALIZED_ROOT_SUBTREE_INDEX,
+ config::FINALIZED_ROOT_DEPTH,
+ update.attested_header.state_root,
+ );
+ }
+
+ Ok(())
+ }
+
+ impl_benchmark_test_suite!(EthereumBeaconClient, crate::mock::new_tester(), crate::mock::Test);
+}
diff --git a/bridges/snowbridge/pallets/ethereum-client/src/benchmarking/util.rs b/bridges/snowbridge/pallets/ethereum-client/src/benchmarking/util.rs
new file mode 100644
index 0000000000000..7e5ded6e1f0d2
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/src/benchmarking/util.rs
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use crate::{
+ decompress_sync_committee_bits, Config, CurrentSyncCommittee, Pallet as EthereumBeaconClient,
+ Update, ValidatorsRoot, Vec,
+};
+use primitives::PublicKeyPrepared;
+use sp_core::H256;
+
+pub fn participant_pubkeys<T: Config>(
+ update: &Update,
+) -> Result<Vec<PublicKeyPrepared>, &'static str> {
+ let sync_committee_bits =
+ decompress_sync_committee_bits(update.sync_aggregate.sync_committee_bits);
+ let current_sync_committee = <CurrentSyncCommittee<T>>::get();
+ let pubkeys = EthereumBeaconClient::<T>::find_pubkeys(
+ &sync_committee_bits,
+ (*current_sync_committee.pubkeys).as_ref(),
+ true,
+ );
+ Ok(pubkeys)
+}
+
+pub fn absent_pubkeys<T: Config>(update: &Update) -> Result<Vec<PublicKeyPrepared>, &'static str> {
+ let sync_committee_bits =
+ decompress_sync_committee_bits(update.sync_aggregate.sync_committee_bits);
+ let current_sync_committee = <CurrentSyncCommittee<T>>::get();
+ let pubkeys = EthereumBeaconClient::<T>::find_pubkeys(
+ &sync_committee_bits,
+ (*current_sync_committee.pubkeys).as_ref(),
+ false,
+ );
+ Ok(pubkeys)
+}
+
+pub fn signing_root<T: Config>(update: &Update) -> Result<H256, &'static str> {
+ let validators_root = <ValidatorsRoot<T>>::get();
+ let signing_root = EthereumBeaconClient::<T>::signing_root(
+ &update.attested_header,
+ validators_root,
+ update.signature_slot,
+ )?;
+ Ok(signing_root)
+}
diff --git a/bridges/snowbridge/pallets/ethereum-client/src/config/mod.rs b/bridges/snowbridge/pallets/ethereum-client/src/config/mod.rs
new file mode 100644
index 0000000000000..ba3ea47b94f9a
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/src/config/mod.rs
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use primitives::merkle_proof::{generalized_index_length, subtree_index};
+use static_assertions::const_assert;
+
+/// Generalized Indices
+/// related to Merkle proofs
+/// get_generalized_index(BeaconState, 'block_roots')
+pub const BLOCK_ROOTS_INDEX: usize = 37;
+pub const BLOCK_ROOTS_SUBTREE_INDEX: usize = subtree_index(BLOCK_ROOTS_INDEX);
+pub const BLOCK_ROOTS_DEPTH: usize = generalized_index_length(BLOCK_ROOTS_INDEX);
+
+/// get_generalized_index(BeaconState, 'finalized_checkpoint', 'root')
+pub const FINALIZED_ROOT_INDEX: usize = 105;
+pub const FINALIZED_ROOT_SUBTREE_INDEX: usize = subtree_index(FINALIZED_ROOT_INDEX);
+pub const FINALIZED_ROOT_DEPTH: usize = generalized_index_length(FINALIZED_ROOT_INDEX);
+
+/// get_generalized_index(BeaconState, 'current_sync_committee')
+pub const CURRENT_SYNC_COMMITTEE_INDEX: usize = 54;
+pub const CURRENT_SYNC_COMMITTEE_SUBTREE_INDEX: usize = subtree_index(CURRENT_SYNC_COMMITTEE_INDEX);
+pub const CURRENT_SYNC_COMMITTEE_DEPTH: usize =
+ generalized_index_length(CURRENT_SYNC_COMMITTEE_INDEX);
+
+/// get_generalized_index(BeaconState, 'next_sync_committee')
+pub const NEXT_SYNC_COMMITTEE_INDEX: usize = 55;
+pub const NEXT_SYNC_COMMITTEE_SUBTREE_INDEX: usize = subtree_index(NEXT_SYNC_COMMITTEE_INDEX);
+pub const NEXT_SYNC_COMMITTEE_DEPTH: usize = generalized_index_length(NEXT_SYNC_COMMITTEE_INDEX);
+
+/// get_generalized_index(BeaconBlockBody, 'execution_payload')
+pub const EXECUTION_HEADER_INDEX: usize = 25;
+pub const EXECUTION_HEADER_SUBTREE_INDEX: usize = subtree_index(EXECUTION_HEADER_INDEX);
+pub const EXECUTION_HEADER_DEPTH: usize = generalized_index_length(EXECUTION_HEADER_INDEX);
+
+/// Sizes related to SSZ encoding
+pub const MAX_EXTRA_DATA_BYTES: usize = 32;
+pub const MAX_LOGS_BLOOM_SIZE: usize = 256;
+pub const MAX_FEE_RECIPIENT_SIZE: usize = 20;
+
+/// Sanity value to constrain the max size of a merkle branch proof.
+pub const MAX_BRANCH_PROOF_SIZE: usize = 20;
+
+/// DomainType('0x07000000')
+/// <https://github.com/ethereum/consensus-specs/blob/dev/specs/altair/beacon-chain.md#domain-types>
+pub const DOMAIN_SYNC_COMMITTEE: [u8; 4] = [7, 0, 0, 0];
+/// Validators public keys are 48 bytes.
+pub const PUBKEY_SIZE: usize = 48;
+/// Signatures produced by validators are 96 bytes.
+pub const SIGNATURE_SIZE: usize = 96;
+
+// Sanity check for the sync committee bits (see SYNC_COMMITTEE_BITS_SIZE).
+const_assert!(SYNC_COMMITTEE_BITS_SIZE == SYNC_COMMITTEE_SIZE / 8);
+
+/// Defined in <https://github.com/ethereum/consensus-specs/tree/f1dff5f6768608d890fc0b347e548297fc3e1f1c/presets/mainnet>
+/// There are 32 slots in an epoch. An epoch is 6.4 minutes long.
+pub const SLOTS_PER_EPOCH: usize = 32;
+/// 256 epochs in a sync committee period. Frequency of sync committee (subset of Ethereum
+/// validators) change is every ~27 hours.
+pub const EPOCHS_PER_SYNC_COMMITTEE_PERIOD: usize = 256;
+/// A sync committee contains 512 randomly selected validators.
+pub const SYNC_COMMITTEE_SIZE: usize = 512;
+/// An array of sync committee block votes, one bit representing the vote of one validator.
+pub const SYNC_COMMITTEE_BITS_SIZE: usize = SYNC_COMMITTEE_SIZE / 8;
+/// The size of the block root array in the beacon state, used for ancestry proofs.
+pub const SLOTS_PER_HISTORICAL_ROOT: usize = 8192;
+/// The index of the block_roots field in the beacon state tree.
+pub const BLOCK_ROOT_AT_INDEX_DEPTH: usize = 13;
diff --git a/bridges/snowbridge/pallets/ethereum-client/src/functions.rs b/bridges/snowbridge/pallets/ethereum-client/src/functions.rs
new file mode 100644
index 0000000000000..751e63c7f86af
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/src/functions.rs
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use crate::config::{
+ EPOCHS_PER_SYNC_COMMITTEE_PERIOD, SLOTS_PER_EPOCH, SYNC_COMMITTEE_BITS_SIZE,
+ SYNC_COMMITTEE_SIZE,
+};
+
+/// Decompress packed bitvector into byte vector according to SSZ deserialization rules. Each byte
+/// in the decompressed vector is either 0 or 1.
+pub fn decompress_sync_committee_bits(
+ input: [u8; SYNC_COMMITTEE_BITS_SIZE],
+) -> [u8; SYNC_COMMITTEE_SIZE] {
+ primitives::decompress_sync_committee_bits::<SYNC_COMMITTEE_SIZE, SYNC_COMMITTEE_BITS_SIZE>(
+ input,
+ )
+}
+
+/// Compute the sync committee period in which a slot is contained.
+pub fn compute_period(slot: u64) -> u64 {
+ slot / SLOTS_PER_EPOCH as u64 / EPOCHS_PER_SYNC_COMMITTEE_PERIOD as u64
+}
+
+/// Compute epoch in which a slot is contained.
+pub fn compute_epoch(slot: u64, slots_per_epoch: u64) -> u64 {
+ slot / slots_per_epoch
+}
+
+/// Sums the bit vector of sync committee participation.
+pub fn sync_committee_sum(sync_committee_bits: &[u8]) -> u32 {
+ sync_committee_bits.iter().fold(0, |acc: u32, x| acc + *x as u32)
+}
diff --git a/bridges/snowbridge/pallets/ethereum-client/src/impls.rs b/bridges/snowbridge/pallets/ethereum-client/src/impls.rs
new file mode 100644
index 0000000000000..300431d87707d
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/src/impls.rs
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use super::*;
+
+use snowbridge_core::inbound::{
+ VerificationError::{self, *},
+ *,
+};
+use snowbridge_ethereum::Receipt;
+
+impl<T: Config> Verifier for Pallet<T> {
+ /// Verify a message by verifying the existence of the corresponding
+ /// Ethereum log in a block. Returns the log if successful. The execution header containing
+ /// the log should be in the beacon client storage, meaning it has been verified and is an
+ /// ancestor of a finalized beacon block.
+ fn verify(event_log: &Log, proof: &Proof) -> Result<(), VerificationError> {
+ log::info!(
+ target: "ethereum-client",
+ "💫 Verifying message with block hash {}",
+ proof.block_hash,
+ );
+
+ let header = <ExecutionHeaderBuffer<T>>::get(proof.block_hash).ok_or(HeaderNotFound)?;
+
+ let receipt = match Self::verify_receipt_inclusion(header.receipts_root, proof) {
+ Ok(receipt) => receipt,
+ Err(err) => {
+ log::error!(
+ target: "ethereum-client",
+ "💫 Verification of receipt inclusion failed for block {}: {:?}",
+ proof.block_hash,
+ err
+ );
+ return Err(err)
+ },
+ };
+
+ log::trace!(
+ target: "ethereum-client",
+ "💫 Verified receipt inclusion for transaction at index {} in block {}",
+ proof.tx_index, proof.block_hash,
+ );
+
+ event_log.validate().map_err(|_| InvalidLog)?;
+
+ // Convert snowbridge_core::inbound::Log to snowbridge_ethereum::Log.
+ let event_log = snowbridge_ethereum::Log {
+ address: event_log.address,
+ topics: event_log.topics.clone(),
+ data: event_log.data.clone(),
+ };
+
+ if !receipt.contains_log(&event_log) {
+ log::error!(
+ target: "ethereum-client",
+ "💫 Event log not found in receipt for transaction at index {} in block {}",
+ proof.tx_index, proof.block_hash,
+ );
+ return Err(LogNotFound)
+ }
+
+ log::info!(
+ target: "ethereum-client",
+ "💫 Receipt verification successful for {}",
+ proof.block_hash,
+ );
+
+ Ok(())
+ }
+}
+
+impl<T: Config> Pallet<T> {
+ /// Verifies that the receipt encoded in `proof.data` is included in the block given by
+ /// `proof.block_hash`.
+ pub fn verify_receipt_inclusion(
+ receipts_root: H256,
+ proof: &Proof,
+ ) -> Result<Receipt, VerificationError> {
+ let result = verify_receipt_proof(receipts_root, &proof.data.1).ok_or(InvalidProof)?;
+
+ match result {
+ Ok(receipt) => Ok(receipt),
+ Err(err) => {
+ log::trace!(
+ target: "ethereum-client",
+ "💫 Failed to decode transaction receipt: {}",
+ err
+ );
+ Err(InvalidProof)
+ },
+ }
+ }
+}
diff --git a/bridges/snowbridge/pallets/ethereum-client/src/lib.rs b/bridges/snowbridge/pallets/ethereum-client/src/lib.rs
new file mode 100644
index 0000000000000..a54d4a05ac584
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/src/lib.rs
@@ -0,0 +1,843 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Ethereum Beacon Client
+//!
+//! A light client that verifies consensus updates signed by the sync committee of the beacon chain.
+//!
+//! # Extrinsics
+//!
+//! ## Governance
+//!
+//! * [`Call::force_checkpoint`]: Set the initial trusted consensus checkpoint.
+//! * [`Call::set_operating_mode`]: Set the operating mode of the pallet. Can be used to disable
+//! processing of conensus updates.
+//!
+//! ## Consensus Updates
+//!
+//! * [`Call::submit`]: Submit a finalized beacon header with an optional sync committee update
+//! * [`Call::submit_execution_header`]: Submit an execution header together with an ancestry proof
+//! that can be verified against an already imported finalized beacon header.
+#![cfg_attr(not(feature = "std"), no_std)]
+
+pub mod config;
+pub mod functions;
+pub mod impls;
+pub mod types;
+pub mod weights;
+
+#[cfg(any(test, feature = "fuzzing"))]
+pub mod mock;
+
+#[cfg(test)]
+mod tests;
+
+#[cfg(feature = "runtime-benchmarks")]
+mod benchmarking;
+
+use frame_support::{
+ dispatch::DispatchResult, pallet_prelude::OptionQuery, traits::Get, transactional,
+};
+use frame_system::ensure_signed;
+use primitives::{
+ fast_aggregate_verify, verify_merkle_branch, verify_receipt_proof, BeaconHeader, BlsError,
+ CompactBeaconState, CompactExecutionHeader, ExecutionHeaderState, ForkData, ForkVersion,
+ ForkVersions, PublicKeyPrepared, SigningData,
+};
+use snowbridge_core::{BasicOperatingMode, RingBufferMap};
+use sp_core::H256;
+use sp_std::prelude::*;
+pub use weights::WeightInfo;
+
+use functions::{
+ compute_epoch, compute_period, decompress_sync_committee_bits, sync_committee_sum,
+};
+pub use types::ExecutionHeaderBuffer;
+use types::{
+ CheckpointUpdate, ExecutionHeaderUpdate, FinalizedBeaconStateBuffer, SyncCommitteePrepared,
+ Update,
+};
+
+pub use pallet::*;
+
+pub use config::SLOTS_PER_HISTORICAL_ROOT;
+
+pub const LOG_TARGET: &str = "ethereum-client";
+
+#[frame_support::pallet]
+pub mod pallet {
+ use super::*;
+
+ use frame_support::pallet_prelude::*;
+ use frame_system::pallet_prelude::*;
+
+ #[derive(scale_info::TypeInfo, codec::Encode, codec::Decode, codec::MaxEncodedLen)]
+ #[codec(mel_bound(T: Config))]
+ #[scale_info(skip_type_params(T))]
+ pub struct MaxFinalizedHeadersToKeep<T: Config>(PhantomData<T>);
+ impl<T: Config> Get<u32> for MaxFinalizedHeadersToKeep<T> {
+ fn get() -> u32 {
+ // Consider max latency allowed between LatestFinalizedState and LatestExecutionState is
+ // the total slots in one sync_committee_period so 1 should be fine we keep 2 periods
+ // here for redundancy.
+ const MAX_REDUNDANCY: u32 = 2;
+ config::EPOCHS_PER_SYNC_COMMITTEE_PERIOD as u32 * MAX_REDUNDANCY
+ }
+ }
+
+ #[pallet::pallet]
+ pub struct Pallet<T>(_);
+
+ #[pallet::config]
+ pub trait Config: frame_system::Config {
+ type RuntimeEvent: From<Event<Self>> + IsType<<Self as frame_system::Config>::RuntimeEvent>;
+ #[pallet::constant]
+ type ForkVersions: Get<ForkVersions>;
+ /// Maximum number of execution headers to keep
+ #[pallet::constant]
+ type MaxExecutionHeadersToKeep: Get<u32>;
+ type WeightInfo: WeightInfo;
+ }
+
+ #[pallet::event]
+ #[pallet::generate_deposit(pub(super) fn deposit_event)]
+ pub enum Event<T: Config> {
+ BeaconHeaderImported {
+ block_hash: H256,
+ slot: u64,
+ },
+ ExecutionHeaderImported {
+ block_hash: H256,
+ block_number: u64,
+ },
+ SyncCommitteeUpdated {
+ period: u64,
+ },
+ /// Set OperatingMode
+ OperatingModeChanged {
+ mode: BasicOperatingMode,
+ },
+ }
+
+ #[pallet::error]
+ pub enum Error<T> {
+ SkippedSyncCommitteePeriod,
+ /// Attested header is older than latest finalized header.
+ IrrelevantUpdate,
+ NotBootstrapped,
+ SyncCommitteeParticipantsNotSupermajority,
+ InvalidHeaderMerkleProof,
+ InvalidSyncCommitteeMerkleProof,
+ InvalidExecutionHeaderProof,
+ InvalidAncestryMerkleProof,
+ InvalidBlockRootsRootMerkleProof,
+ HeaderNotFinalized,
+ BlockBodyHashTreeRootFailed,
+ HeaderHashTreeRootFailed,
+ SyncCommitteeHashTreeRootFailed,
+ SigningRootHashTreeRootFailed,
+ ForkDataHashTreeRootFailed,
+ ExpectedFinalizedHeaderNotStored,
+ BLSPreparePublicKeysFailed,
+ BLSVerificationFailed(BlsError),
+ InvalidUpdateSlot,
+ /// The given update is not in the expected period, or the given next sync committee does
+ /// not match the next sync committee in storage.
+ InvalidSyncCommitteeUpdate,
+ ExecutionHeaderTooFarBehind,
+ ExecutionHeaderSkippedBlock,
+ Halted,
+ }
+
+ /// Latest imported checkpoint root
+ #[pallet::storage]
+ #[pallet::getter(fn initial_checkpoint_root)]
+ pub(super) type InitialCheckpointRoot<T: Config> = StorageValue<_, H256, ValueQuery>;
+
+ /// Latest imported finalized block root
+ #[pallet::storage]
+ #[pallet::getter(fn latest_finalized_block_root)]
+ pub(super) type LatestFinalizedBlockRoot<T: Config> = StorageValue<_, H256, ValueQuery>;
+
+ /// Beacon state by finalized block root
+ #[pallet::storage]
+ #[pallet::getter(fn finalized_beacon_state)]
+ pub(super) type FinalizedBeaconState<T: Config> =
+ StorageMap<_, Identity, H256, CompactBeaconState, OptionQuery>;
+
+ /// Finalized Headers: Current position in ring buffer
+ #[pallet::storage]
+ pub(crate) type FinalizedBeaconStateIndex<T: Config> = StorageValue<_, u32, ValueQuery>;
+
+ /// Finalized Headers: Mapping of ring buffer index to a pruning candidate
+ #[pallet::storage]
+ pub(crate) type FinalizedBeaconStateMapping<T: Config> =
+ StorageMap<_, Identity, u32, H256, ValueQuery>;
+
+ #[pallet::storage]
+ #[pallet::getter(fn validators_root)]
+ pub(super) type ValidatorsRoot<T: Config> = StorageValue<_, H256, ValueQuery>;
+
+ /// Sync committee for current period
+ #[pallet::storage]
+ pub(super) type CurrentSyncCommittee<T: Config> =
+ StorageValue<_, SyncCommitteePrepared, ValueQuery>;
+
+ /// Sync committee for next period
+ #[pallet::storage]
+ pub(super) type NextSyncCommittee<T: Config> =
+ StorageValue<_, SyncCommitteePrepared, ValueQuery>;
+
+ /// Latest imported execution header
+ #[pallet::storage]
+ #[pallet::getter(fn latest_execution_state)]
+ pub(super) type LatestExecutionState<T: Config> =
+ StorageValue<_, ExecutionHeaderState, ValueQuery>;
+
+ /// Execution Headers
+ #[pallet::storage]
+ pub type ExecutionHeaders<T: Config> =
+ StorageMap<_, Identity, H256, CompactExecutionHeader, OptionQuery>;
+
+ /// Execution Headers: Current position in ring buffer
+ #[pallet::storage]
+ pub type ExecutionHeaderIndex<T: Config> = StorageValue<_, u32, ValueQuery>;
+
+ /// Execution Headers: Mapping of ring buffer index to a pruning candidate
+ #[pallet::storage]
+ pub type ExecutionHeaderMapping<T: Config> = StorageMap<_, Identity, u32, H256, ValueQuery>;
+
+ /// The current operating mode of the pallet.
+ #[pallet::storage]
+ #[pallet::getter(fn operating_mode)]
+ pub type OperatingMode<T: Config> = StorageValue<_, BasicOperatingMode, ValueQuery>;
+
+ #[pallet::call]
+ impl<T: Config> Pallet<T> {
+ #[pallet::call_index(0)]
+ #[pallet::weight(T::WeightInfo::force_checkpoint())]
+ #[transactional]
+ /// Used for pallet initialization and light client resetting. Needs to be called by
+ /// the root origin.
+ pub fn force_checkpoint(
+ origin: OriginFor<T>,
+ update: Box<CheckpointUpdate>,
+ ) -> DispatchResult {
+ ensure_root(origin)?;
+ Self::process_checkpoint_update(&update)?;
+ Ok(())
+ }
+
+ #[pallet::call_index(1)]
+ #[pallet::weight({
+ match update.next_sync_committee_update {
+ None => T::WeightInfo::submit(),
+ Some(_) => T::WeightInfo::submit_with_sync_committee(),
+ }
+ })]
+ #[transactional]
+ /// Submits a new finalized beacon header update. The update may contain the next
+ /// sync committee.
+ pub fn submit(origin: OriginFor<T>, update: Box<Update>) -> DispatchResult {
+ ensure_signed(origin)?;
+ ensure!(!Self::operating_mode().is_halted(), Error::<T>::Halted);
+ Self::process_update(&update)?;
+ Ok(())
+ }
+
+ #[pallet::call_index(2)]
+ #[pallet::weight(T::WeightInfo::submit_execution_header())]
+ #[transactional]
+ /// Submits a new execution header update. The relevant related beacon header
+ /// is also included to prove the execution header, as well as ancestry proof data.
+ pub fn submit_execution_header(
+ origin: OriginFor<T>,
+ update: Box<ExecutionHeaderUpdate>,
+ ) -> DispatchResult {
+ ensure_signed(origin)?;
+ ensure!(!Self::operating_mode().is_halted(), Error::<T>::Halted);
+ Self::process_execution_header_update(&update)?;
+ Ok(())
+ }
+
+ /// Halt or resume all pallet operations. May only be called by root.
+ #[pallet::call_index(3)]
+ #[pallet::weight((T::DbWeight::get().reads_writes(1, 1), DispatchClass::Operational))]
+ pub fn set_operating_mode(
+ origin: OriginFor<T>,
+ mode: BasicOperatingMode,
+ ) -> DispatchResult {
+ ensure_root(origin)?;
+ OperatingMode::<T>::set(mode);
+ Self::deposit_event(Event::OperatingModeChanged { mode });
+ Ok(())
+ }
+ }
+
+ impl<T: Config> Pallet<T> {
+ /// Forces a finalized beacon header checkpoint update. The current sync committee,
+ /// with a header attesting to the current sync committee, should be provided.
+ /// An `block_roots` proof should also be provided. This is used for ancestry proofs
+ /// for execution header updates.
+ pub(crate) fn process_checkpoint_update(update: &CheckpointUpdate) -> DispatchResult {
+ let sync_committee_root = update
+ .current_sync_committee
+ .hash_tree_root()
+ .map_err(|_| Error::<T>::SyncCommitteeHashTreeRootFailed)?;
+
+ // Verifies the sync committee in the Beacon state.
+ ensure!(
+ verify_merkle_branch(
+ sync_committee_root,
+ &update.current_sync_committee_branch,
+ config::CURRENT_SYNC_COMMITTEE_SUBTREE_INDEX,
+ config::CURRENT_SYNC_COMMITTEE_DEPTH,
+ update.header.state_root
+ ),
+ Error::<T>::InvalidSyncCommitteeMerkleProof
+ );
+
+ let header_root: H256 = update
+ .header
+ .hash_tree_root()
+ .map_err(|_| Error::<T>::HeaderHashTreeRootFailed)?;
+
+ // This is used for ancestry proofs in ExecutionHeader updates. This verifies the
+ // BeaconState: the beacon state root is the tree root; the `block_roots` hash is the
+ // tree leaf.
+ ensure!(
+ verify_merkle_branch(
+ update.block_roots_root,
+ &update.block_roots_branch,
+ config::BLOCK_ROOTS_SUBTREE_INDEX,
+ config::BLOCK_ROOTS_DEPTH,
+ update.header.state_root
+ ),
+ Error::<T>::InvalidBlockRootsRootMerkleProof
+ );
+
+ let sync_committee_prepared: SyncCommitteePrepared = (&update.current_sync_committee)
+ .try_into()
+ .map_err(|_| <Error<T>>::BLSPreparePublicKeysFailed)?;
+ <CurrentSyncCommittee<T>>::set(sync_committee_prepared);
+ <NextSyncCommittee<T>>::kill();
+ InitialCheckpointRoot::<T>::set(header_root);
+ <LatestExecutionState<T>>::kill();
+
+ Self::store_validators_root(update.validators_root);
+ Self::store_finalized_header(header_root, update.header, update.block_roots_root)?;
+
+ Ok(())
+ }
+
+ pub(crate) fn process_update(update: &Update) -> DispatchResult {
+ Self::cross_check_execution_state()?;
+ Self::verify_update(update)?;
+ Self::apply_update(update)?;
+ Ok(())
+ }
+
+ /// Cross check to make sure that execution header import does not fall too far behind
+ /// finalised beacon header import. If that happens just return an error and pause
+ /// processing until execution header processing has caught up.
+ pub(crate) fn cross_check_execution_state() -> DispatchResult {
+ let latest_finalized_state =
+ FinalizedBeaconState::<T>::get(LatestFinalizedBlockRoot::<T>::get())
+ .ok_or(Error::<T>::NotBootstrapped)?;
+ let latest_execution_state = Self::latest_execution_state();
+ // The execution header import should be at least within the slot range of a sync
+ // committee period.
+ let max_latency = config::EPOCHS_PER_SYNC_COMMITTEE_PERIOD * config::SLOTS_PER_EPOCH;
+ ensure!(
+ latest_execution_state.beacon_slot == 0 ||
+ latest_finalized_state.slot <
+ latest_execution_state.beacon_slot + max_latency as u64,
+ Error::<T>::ExecutionHeaderTooFarBehind
+ );
+ Ok(())
+ }
+
+ /// References and strictly follows <https://github.com/ethereum/consensus-specs/blob/dev/specs/altair/light-client/sync-protocol.md#validate_light_client_update>
+ /// Verifies that provided next sync committee is valid through a series of checks
+ /// (including checking that a sync committee period isn't skipped and that the header is
+ /// signed by the current sync committee.
+ fn verify_update(update: &Update) -> DispatchResult {
+ // Verify sync committee has sufficient participants.
+ let participation =
+ decompress_sync_committee_bits(update.sync_aggregate.sync_committee_bits);
+ Self::sync_committee_participation_is_supermajority(&participation)?;
+
+ // Verify update does not skip a sync committee period.
+ ensure!(
+ update.signature_slot > update.attested_header.slot &&
+ update.attested_header.slot >= update.finalized_header.slot,
+ Error::<T>::InvalidUpdateSlot
+ );
+ // Retrieve latest finalized state.
+ let latest_finalized_state =
+ FinalizedBeaconState::<T>::get(LatestFinalizedBlockRoot::<T>::get())
+ .ok_or(Error::<T>::NotBootstrapped)?;
+ let store_period = compute_period(latest_finalized_state.slot);
+ let signature_period = compute_period(update.signature_slot);
+ if <NextSyncCommittee<T>>::exists() {
+ ensure!(
+ (store_period..=store_period + 1).contains(&signature_period),
+ Error::<T>::SkippedSyncCommitteePeriod
+ )
+ } else {
+ ensure!(signature_period == store_period, Error::<T>::SkippedSyncCommitteePeriod)
+ }
+
+ // Verify update is relevant.
+ let update_attested_period = compute_period(update.attested_header.slot);
+ let update_has_next_sync_committee = !<NextSyncCommittee<T>>::exists() &&
+ (update.next_sync_committee_update.is_some() &&
+ update_attested_period == store_period);
+ ensure!(
+ update.attested_header.slot > latest_finalized_state.slot ||
+ update_has_next_sync_committee,
+ Error::<T>::IrrelevantUpdate
+ );
+
+ // Verify that the `finality_branch`, if present, confirms `finalized_header` to match
+ // the finalized checkpoint root saved in the state of `attested_header`.
+ let finalized_block_root: H256 = update
+ .finalized_header
+ .hash_tree_root()
+ .map_err(|_| Error::<T>::HeaderHashTreeRootFailed)?;
+ ensure!(
+ verify_merkle_branch(
+ finalized_block_root,
+ &update.finality_branch,
+ config::FINALIZED_ROOT_SUBTREE_INDEX,
+ config::FINALIZED_ROOT_DEPTH,
+ update.attested_header.state_root
+ ),
+ Error::<T>::InvalidHeaderMerkleProof
+ );
+
+ // Though following check does not belong to ALC spec we verify block_roots_root to
+ // match the finalized checkpoint root saved in the state of `finalized_header` so to
+ // cache it for later use in `verify_ancestry_proof`.
+ ensure!(
+ verify_merkle_branch(
+ update.block_roots_root,
+ &update.block_roots_branch,
+ config::BLOCK_ROOTS_SUBTREE_INDEX,
+ config::BLOCK_ROOTS_DEPTH,
+ update.finalized_header.state_root
+ ),
+ Error::<T>::InvalidBlockRootsRootMerkleProof
+ );
+
+ // Verify that the `next_sync_committee`, if present, actually is the next sync
+ // committee saved in the state of the `attested_header`.
+ if let Some(next_sync_committee_update) = &update.next_sync_committee_update {
+ let sync_committee_root = next_sync_committee_update
+ .next_sync_committee
+ .hash_tree_root()
+ .map_err(|_| Error::<T>::SyncCommitteeHashTreeRootFailed)?;
+ if update_attested_period == store_period && <NextSyncCommittee<T>>::exists() {
+ let next_committee_root = <NextSyncCommittee<T>>::get().root;
+ ensure!(
+ sync_committee_root == next_committee_root,
+ Error::<T>::InvalidSyncCommitteeUpdate
+ );
+ }
+ ensure!(
+ verify_merkle_branch(
+ sync_committee_root,
+ &next_sync_committee_update.next_sync_committee_branch,
+ config::NEXT_SYNC_COMMITTEE_SUBTREE_INDEX,
+ config::NEXT_SYNC_COMMITTEE_DEPTH,
+ update.attested_header.state_root
+ ),
+ Error::<T>::InvalidSyncCommitteeMerkleProof
+ );
+ }
+
+ // Verify sync committee aggregate signature.
+ let sync_committee = if signature_period == store_period {
+ <CurrentSyncCommittee<T>>::get()
+ } else {
+ <NextSyncCommittee<T>>::get()
+ };
+ let absent_pubkeys =
+ Self::find_pubkeys(&participation, (*sync_committee.pubkeys).as_ref(), false);
+ let signing_root = Self::signing_root(
+ &update.attested_header,
+ Self::validators_root(),
+ update.signature_slot,
+ )?;
+ // Improvement here per <https://eth2book.info/capella/part2/building_blocks/signatures/#sync-aggregates>
+ // suggested start from the full set aggregate_pubkey then subtracting the absolute
+ // minority that did not participate.
+ fast_aggregate_verify(
+ &sync_committee.aggregate_pubkey,
+ &absent_pubkeys,
+ signing_root,
+ &update.sync_aggregate.sync_committee_signature,
+ )
+ .map_err(|e| Error::<T>::BLSVerificationFailed(e))?;
+
+ Ok(())
+ }
+
+ /// Reference and strictly follows <https://github.com/ethereum/consensus-specs/blob/dev/specs/altair/light-client/sync-protocol.md#apply_light_client_update
+ /// Applies a finalized beacon header update to the beacon client. If a next sync committee
+ /// is present in the update, verify the sync committee by converting it to a
+ /// SyncCommitteePrepared type. Stores the provided finalized header.
+ fn apply_update(update: &Update) -> DispatchResult {
+ let latest_finalized_state =
+ FinalizedBeaconState::<T>::get(LatestFinalizedBlockRoot::<T>::get())
+ .ok_or(Error::<T>::NotBootstrapped)?;
+ if let Some(next_sync_committee_update) = &update.next_sync_committee_update {
+ let store_period = compute_period(latest_finalized_state.slot);
+ let update_finalized_period = compute_period(update.finalized_header.slot);
+ let sync_committee_prepared: SyncCommitteePrepared = (&next_sync_committee_update
+ .next_sync_committee)
+ .try_into()
+ .map_err(|_| <Error<T>>::BLSPreparePublicKeysFailed)?;
+
+ if !<NextSyncCommittee<T>>::exists() {
+ ensure!(
+ update_finalized_period == store_period,
+ <Error<T>>::InvalidSyncCommitteeUpdate
+ );
+ <NextSyncCommittee<T>>::set(sync_committee_prepared);
+ } else if update_finalized_period == store_period + 1 {
+ <CurrentSyncCommittee<T>>::set(<NextSyncCommittee<T>>::get());
+ <NextSyncCommittee<T>>::set(sync_committee_prepared);
+ }
+ log::info!(
+ target: LOG_TARGET,
+ "💫 SyncCommitteeUpdated at period {}.",
+ update_finalized_period
+ );
+ Self::deposit_event(Event::SyncCommitteeUpdated {
+ period: update_finalized_period,
+ });
+ };
+
+ if update.finalized_header.slot > latest_finalized_state.slot {
+ let finalized_block_root: H256 = update
+ .finalized_header
+ .hash_tree_root()
+ .map_err(|_| Error::<T>::HeaderHashTreeRootFailed)?;
+ Self::store_finalized_header(
+ finalized_block_root,
+ update.finalized_header,
+ update.block_roots_root,
+ )?;
+ }
+
+ Ok(())
+ }
+
+ /// Validates an execution header for import. The beacon header containing the execution
+ /// header is sent, plus the execution header, along with a proof that the execution header
+ /// is rooted in the beacon header body.
+ pub(crate) fn process_execution_header_update(
+ update: &ExecutionHeaderUpdate,
+ ) -> DispatchResult {
+ let latest_finalized_state =
+ FinalizedBeaconState::<T>::get(LatestFinalizedBlockRoot::<T>::get())
+ .ok_or(Error::<T>::NotBootstrapped)?;
+ // Checks that the header is an ancestor of a finalized header, using slot number.
+ ensure!(
+ update.header.slot <= latest_finalized_state.slot,
+ Error::<T>::HeaderNotFinalized
+ );
+
+ // Checks that we don't skip execution headers, they need to be imported sequentially.
+ let latest_execution_state: ExecutionHeaderState = Self::latest_execution_state();
+ ensure!(
+ latest_execution_state.block_number == 0 ||
+ update.execution_header.block_number() ==
+ latest_execution_state.block_number + 1,
+ Error::<T>::ExecutionHeaderSkippedBlock
+ );
+
+ // Gets the hash tree root of the execution header, in preparation for the execution
+ // header proof (used to check that the execution header is rooted in the beacon
+ // header body.
+ let execution_header_root: H256 = update
+ .execution_header
+ .hash_tree_root()
+ .map_err(|_| Error::<T>::BlockBodyHashTreeRootFailed)?;
+
+ ensure!(
+ verify_merkle_branch(
+ execution_header_root,
+ &update.execution_branch,
+ config::EXECUTION_HEADER_SUBTREE_INDEX,
+ config::EXECUTION_HEADER_DEPTH,
+ update.header.body_root
+ ),
+ Error::<T>::InvalidExecutionHeaderProof
+ );
+
+ let block_root: H256 = update
+ .header
+ .hash_tree_root()
+ .map_err(|_| Error::<T>::HeaderHashTreeRootFailed)?;
+
+ match &update.ancestry_proof {
+ Some(proof) => {
+ Self::verify_ancestry_proof(
+ block_root,
+ update.header.slot,
+ &proof.header_branch,
+ proof.finalized_block_root,
+ )?;
+ },
+ None => {
+ // If the ancestry proof is not provided, we expect this header to be a
+ // finalized header. We need to check that the header hash matches the finalized
+ // header root at the expected slot.
+ let state = <FinalizedBeaconState<T>>::get(block_root)
+ .ok_or(Error::<T>::ExpectedFinalizedHeaderNotStored)?;
+ if update.header.slot != state.slot {
+ return Err(Error::<T>::ExpectedFinalizedHeaderNotStored.into())
+ }
+ },
+ }
+
+ Self::store_execution_header(
+ update.execution_header.block_hash(),
+ update.execution_header.clone().into(),
+ update.header.slot,
+ block_root,
+ );
+
+ Ok(())
+ }
+
+ /// Verify that `block_root` is an ancestor of `finalized_block_root` Used to prove that
+ /// an execution header is an ancestor of a finalized header (i.e. the blocks are
+ /// on the same chain).
+ fn verify_ancestry_proof(
+ block_root: H256,
+ block_slot: u64,
+ block_root_proof: &[H256],
+ finalized_block_root: H256,
+ ) -> DispatchResult {
+ let state = <FinalizedBeaconState<T>>::get(finalized_block_root)
+ .ok_or(Error::<T>::ExpectedFinalizedHeaderNotStored)?;
+
+ ensure!(block_slot < state.slot, Error::<T>::HeaderNotFinalized);
+
+ let index_in_array = block_slot % (SLOTS_PER_HISTORICAL_ROOT as u64);
+ let leaf_index = (SLOTS_PER_HISTORICAL_ROOT as u64) + index_in_array;
+
+ ensure!(
+ verify_merkle_branch(
+ block_root,
+ block_root_proof,
+ leaf_index as usize,
+ config::BLOCK_ROOT_AT_INDEX_DEPTH,
+ state.block_roots_root
+ ),
+ Error::<T>::InvalidAncestryMerkleProof
+ );
+
+ Ok(())
+ }
+
+ /// Computes the signing root for a given beacon header and domain. The hash tree root
+ /// of the beacon header is computed, and then the combination of the beacon header hash
+ /// and the domain makes up the signing root.
+ pub(super) fn compute_signing_root(
+ beacon_header: &BeaconHeader,
+ domain: H256,
+ ) -> Result<H256, DispatchError> {
+ let beacon_header_root = beacon_header
+ .hash_tree_root()
+ .map_err(|_| Error::<T>::HeaderHashTreeRootFailed)?;
+
+ let hash_root = SigningData { object_root: beacon_header_root, domain }
+ .hash_tree_root()
+ .map_err(|_| Error::<T>::SigningRootHashTreeRootFailed)?;
+
+ Ok(hash_root)
+ }
+
+ /// Stores a compacted (slot and block roots root (hash of the `block_roots` beacon state
+ /// field, used for ancestry proof)) beacon state in a ring buffer map, with the header root
+ /// as map key.
+ fn store_finalized_header(
+ header_root: H256,
+ header: BeaconHeader,
+ block_roots_root: H256,
+ ) -> DispatchResult {
+ let slot = header.slot;
+
+ <FinalizedBeaconStateBuffer<T>>::insert(
+ header_root,
+ CompactBeaconState { slot: header.slot, block_roots_root },
+ );
+ <LatestFinalizedBlockRoot<T>>::set(header_root);
+
+ log::info!(
+ target: LOG_TARGET,
+ "💫 Updated latest finalized block root {} at slot {}.",
+ header_root,
+ slot
+ );
+
+ Self::deposit_event(Event::BeaconHeaderImported { block_hash: header_root, slot });
+
+ Ok(())
+ }
+
+ /// Stores the provided execution header in pallet storage. The header is stored
+ /// in a ring buffer map, with the block hash as map key. The last imported execution
+ /// header is also kept in storage, for the relayer to check import progress.
+ pub fn store_execution_header(
+ block_hash: H256,
+ header: CompactExecutionHeader,
+ beacon_slot: u64,
+ beacon_block_root: H256,
+ ) {
+ let block_number = header.block_number;
+
+ <ExecutionHeaderBuffer<T>>::insert(block_hash, header);
+
+ log::trace!(
+ target: LOG_TARGET,
+ "💫 Updated latest execution block at {} to number {}.",
+ block_hash,
+ block_number
+ );
+
+ LatestExecutionState::<T>::mutate(|s| {
+ s.beacon_block_root = beacon_block_root;
+ s.beacon_slot = beacon_slot;
+ s.block_hash = block_hash;
+ s.block_number = block_number;
+ });
+
+ Self::deposit_event(Event::ExecutionHeaderImported { block_hash, block_number });
+ }
+
+ /// Stores the validators root in storage. Validators root is the hash tree root of all the
+ /// validators at genesis and is used to used to identify the chain that we are on
+ /// (used in conjunction with the fork version).
+ /// <https://eth2book.info/capella/part3/containers/state/#genesis_validators_root>
+ fn store_validators_root(validators_root: H256) {
+ <ValidatorsRoot<T>>::set(validators_root);
+ }
+
+ /// Returns the domain for the domain_type and fork_version. The domain is used to
+ /// distinguish between the different players in the chain (see DomainTypes
+ /// <https://eth2book.info/capella/part3/config/constants/#domain-types>) and to ensure we are
+ /// addressing the correct chain.
+ /// <https://eth2book.info/capella/part3/helper/misc/#compute_domain>
+ pub(super) fn compute_domain(
+ domain_type: Vec<u8>,
+ fork_version: ForkVersion,
+ genesis_validators_root: H256,
+ ) -> Result<H256, DispatchError> {
+ let fork_data_root =
+ Self::compute_fork_data_root(fork_version, genesis_validators_root)?;
+
+ let mut domain = [0u8; 32];
+ domain[0..4].copy_from_slice(&(domain_type));
+ domain[4..32].copy_from_slice(&(fork_data_root.0[..28]));
+
+ Ok(domain.into())
+ }
+
+ /// Computes the fork data root. The fork data root is a merkleization of the current
+ /// fork version and the genesis validators root.
+ fn compute_fork_data_root(
+ current_version: ForkVersion,
+ genesis_validators_root: H256,
+ ) -> Result<H256, DispatchError> {
+ let hash_root = ForkData {
+ current_version,
+ genesis_validators_root: genesis_validators_root.into(),
+ }
+ .hash_tree_root()
+ .map_err(|_| Error::<T>::ForkDataHashTreeRootFailed)?;
+
+ Ok(hash_root)
+ }
+
+ /// Checks that the sync committee bits (the votes of the sync committee members,
+ /// represented by bits 0 and 1) is more than a supermajority (2/3 of the votes are
+ /// positive).
+ pub(super) fn sync_committee_participation_is_supermajority(
+ sync_committee_bits: &[u8],
+ ) -> DispatchResult {
+ let sync_committee_sum = sync_committee_sum(sync_committee_bits);
+ ensure!(
+ ((sync_committee_sum * 3) as usize) >= sync_committee_bits.len() * 2,
+ Error::<T>::SyncCommitteeParticipantsNotSupermajority
+ );
+
+ Ok(())
+ }
+
+ /// Returns the fork version based on the current epoch. The hard fork versions
+ /// are defined in pallet config.
+ pub(super) fn compute_fork_version(epoch: u64) -> ForkVersion {
+ Self::select_fork_version(&T::ForkVersions::get(), epoch)
+ }
+
+ /// Returns the fork version based on the current epoch.
+ pub(super) fn select_fork_version(fork_versions: &ForkVersions, epoch: u64) -> ForkVersion {
+ if epoch >= fork_versions.deneb.epoch {
+ return fork_versions.deneb.version
+ }
+ if epoch >= fork_versions.capella.epoch {
+ return fork_versions.capella.version
+ }
+ if epoch >= fork_versions.bellatrix.epoch {
+ return fork_versions.bellatrix.version
+ }
+ if epoch >= fork_versions.altair.epoch {
+ return fork_versions.altair.version
+ }
+ fork_versions.genesis.version
+ }
+
+ /// Returns a vector of public keys that participated in the sync committee block signage.
+ /// Sync committee bits is an array of 0s and 1s, 0 meaning the corresponding sync committee
+ /// member did not participate in the vote, 1 meaning they participated.
+ /// This method can find the absent or participating members, based on the participant
+ /// parameter. participant = false will return absent participants, participant = true will
+ /// return participating members.
+ pub fn find_pubkeys(
+ sync_committee_bits: &[u8],
+ sync_committee_pubkeys: &[PublicKeyPrepared],
+ participant: bool,
+ ) -> Vec<PublicKeyPrepared> {
+ let mut pubkeys: Vec<PublicKeyPrepared> = Vec::new();
+ for (bit, pubkey) in sync_committee_bits.iter().zip(sync_committee_pubkeys.iter()) {
+ if *bit == u8::from(participant) {
+ pubkeys.push(pubkey.clone());
+ }
+ }
+ pubkeys
+ }
+
+ /// Calculates signing root for BeaconHeader. The signing root is used for the message
+ /// value in BLS signature verification.
+ pub fn signing_root(
+ header: &BeaconHeader,
+ validators_root: H256,
+ signature_slot: u64,
+ ) -> Result<H256, DispatchError> {
+ let fork_version = Self::compute_fork_version(compute_epoch(
+ signature_slot,
+ config::SLOTS_PER_EPOCH as u64,
+ ));
+ let domain_type = config::DOMAIN_SYNC_COMMITTEE.to_vec();
+ // Domains are used for for seeds, for signatures, and for selecting aggregators.
+ let domain = Self::compute_domain(domain_type, fork_version, validators_root)?;
+ // Hash tree root of SigningData - object root + domain
+ let signing_root = Self::compute_signing_root(header, domain)?;
+ Ok(signing_root)
+ }
+ }
+}
diff --git a/bridges/snowbridge/pallets/ethereum-client/src/mock.rs b/bridges/snowbridge/pallets/ethereum-client/src/mock.rs
new file mode 100644
index 0000000000000..3ce34eee191ac
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/src/mock.rs
@@ -0,0 +1,149 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use crate as ethereum_beacon_client;
+use crate::config;
+use frame_support::{derive_impl, parameter_types};
+use hex_literal::hex;
+use pallet_timestamp;
+use primitives::{CompactExecutionHeader, Fork, ForkVersions};
+use snowbridge_core::inbound::{Log, Proof};
+use std::{fs::File, path::PathBuf};
+type Block = frame_system::mocking::MockBlock<Test>;
+use sp_runtime::BuildStorage;
+
+fn load_fixture<T>(basename: String) -> Result<T, serde_json::Error>
+where
+ T: for<'de> serde::Deserialize<'de>,
+{
+ let filepath: PathBuf =
+ [env!("CARGO_MANIFEST_DIR"), "tests", "fixtures", &basename].iter().collect();
+ serde_json::from_reader(File::open(filepath).unwrap())
+}
+
+pub fn load_execution_header_update_fixture() -> primitives::ExecutionHeaderUpdate {
+ load_fixture("execution-header-update.json".to_string()).unwrap()
+}
+
+pub fn load_checkpoint_update_fixture(
+) -> primitives::CheckpointUpdate<{ config::SYNC_COMMITTEE_SIZE }> {
+ load_fixture("initial-checkpoint.json".to_string()).unwrap()
+}
+
+pub fn load_sync_committee_update_fixture(
+) -> primitives::Update<{ config::SYNC_COMMITTEE_SIZE }, { config::SYNC_COMMITTEE_BITS_SIZE }> {
+ load_fixture("sync-committee-update.json".to_string()).unwrap()
+}
+
+pub fn load_finalized_header_update_fixture(
+) -> primitives::Update<{ config::SYNC_COMMITTEE_SIZE }, { config::SYNC_COMMITTEE_BITS_SIZE }> {
+ load_fixture("finalized-header-update.json".to_string()).unwrap()
+}
+
+pub fn load_next_sync_committee_update_fixture(
+) -> primitives::Update<{ config::SYNC_COMMITTEE_SIZE }, { config::SYNC_COMMITTEE_BITS_SIZE }> {
+ load_fixture("next-sync-committee-update.json".to_string()).unwrap()
+}
+
+pub fn load_next_finalized_header_update_fixture(
+) -> primitives::Update<{ config::SYNC_COMMITTEE_SIZE }, { config::SYNC_COMMITTEE_BITS_SIZE }> {
+ load_fixture("next-finalized-header-update.json".to_string()).unwrap()
+}
+
+pub fn get_message_verification_payload() -> (Log, Proof) {
+ (
+ Log {
+ address: hex!("ee9170abfbf9421ad6dd07f6bdec9d89f2b581e0").into(),
+ topics: vec![
+ hex!("1b11dcf133cc240f682dab2d3a8e4cd35c5da8c9cf99adac4336f8512584c5ad").into(),
+ hex!("00000000000000000000000000000000000000000000000000000000000003e8").into(),
+ hex!("0000000000000000000000000000000000000000000000000000000000000001").into(),
+ ],
+ data: hex!("0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000004b000f000000000000000100d184c103f7acc340847eee82a0b909e3358bc28d440edffa1352b13227e8ee646f3ea37456dec701345772617070656420457468657210574554481235003511000000000000000000000000000000000000000000").into(),
+ },
+ Proof {
+ block_hash: hex!("05aaa60b0f27cce9e71909508527264b77ee14da7b5bf915fcc4e32715333213").into(),
+ tx_index: 0,
+ data: (vec![
+ hex!("cf0d1c1ba57d1e0edfb59786c7e30c2b7e12bd54612b00cd21c4eaeecedf44fb").to_vec(),
+ hex!("d21fc4f68ab05bc4dcb23c67008e92c4d466437cdd6ed7aad0c008944c185510").to_vec(),
+ hex!("b9890f91ca0d77aa2a4adfaf9b9e40c94cac9e638b6d9797923865872944b646").to_vec(),
+ ], vec![
+ hex!("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").to_vec(),
+ hex!("f851a0b9890f91ca0d77aa2a4adfaf9b9e40c94cac9e638b6d9797923865872944b646a060a634b9280e3a23fb63375e7bbdd9ab07fd379ab6a67e2312bbc112195fa358808080808080808080808080808080").to_vec(),
+ hex!("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").to_vec(),
+ ]),
+ }
+ )
+}
+
+pub fn get_message_verification_header() -> CompactExecutionHeader {
+ CompactExecutionHeader {
+ parent_hash: hex!("04a7f6ab8282203562c62f38b0ab41d32aaebe2c7ea687702b463148a6429e04")
+ .into(),
+ block_number: 55,
+ state_root: hex!("894d968712976d613519f973a317cb0781c7b039c89f27ea2b7ca193f7befdb3").into(),
+ receipts_root: hex!("cf0d1c1ba57d1e0edfb59786c7e30c2b7e12bd54612b00cd21c4eaeecedf44fb")
+ .into(),
+ }
+}
+
+frame_support::construct_runtime!(
+ pub enum Test {
+ System: frame_system::{Pallet, Call, Storage, Event<T>},
+ Timestamp: pallet_timestamp::{Pallet, Call, Storage, Inherent},
+ EthereumBeaconClient: ethereum_beacon_client::{Pallet, Call, Storage, Event<T>},
+ }
+);
+
+#[derive_impl(frame_system::config_preludes::TestDefaultConfig as frame_system::DefaultConfig)]
+impl frame_system::Config for Test {
+ type Block = Block;
+}
+
+impl pallet_timestamp::Config for Test {
+ type Moment = u64;
+ type OnTimestampSet = ();
+ type MinimumPeriod = ();
+ type WeightInfo = ();
+}
+
+parameter_types! {
+ pub const ChainForkVersions: ForkVersions = ForkVersions {
+ genesis: Fork {
+ version: [0, 0, 0, 0], // 0x00000000
+ epoch: 0,
+ },
+ altair: Fork {
+ version: [1, 0, 0, 0], // 0x01000000
+ epoch: 0,
+ },
+ bellatrix: Fork {
+ version: [2, 0, 0, 0], // 0x02000000
+ epoch: 0,
+ },
+ capella: Fork {
+ version: [3, 0, 0, 0], // 0x03000000
+ epoch: 0,
+ },
+ deneb: Fork {
+ version: [4, 0, 0, 0], // 0x90000073
+ epoch: 0,
+ }
+ };
+ pub const ExecutionHeadersPruneThreshold: u32 = 8192;
+}
+
+impl ethereum_beacon_client::Config for Test {
+ type RuntimeEvent = RuntimeEvent;
+ type ForkVersions = ChainForkVersions;
+ type MaxExecutionHeadersToKeep = ExecutionHeadersPruneThreshold;
+ type WeightInfo = ();
+}
+
+// Build genesis storage according to the mock runtime.
+pub fn new_tester() -> sp_io::TestExternalities {
+ let t = frame_system::GenesisConfig::<Test>::default().build_storage().unwrap();
+ let mut ext = sp_io::TestExternalities::new(t);
+ let _ = ext.execute_with(|| Timestamp::set(RuntimeOrigin::signed(1), 30_000));
+ ext
+}
diff --git a/bridges/snowbridge/pallets/ethereum-client/src/tests.rs b/bridges/snowbridge/pallets/ethereum-client/src/tests.rs
new file mode 100644
index 0000000000000..50b6a25c3428d
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/src/tests.rs
@@ -0,0 +1,1017 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use crate::{
+ functions::compute_period, pallet::ExecutionHeaders, sync_committee_sum, verify_merkle_branch,
+ BeaconHeader, CompactBeaconState, Error, ExecutionHeaderBuffer, FinalizedBeaconState,
+ LatestExecutionState, LatestFinalizedBlockRoot, NextSyncCommittee, SyncCommitteePrepared,
+};
+
+use crate::mock::{
+ get_message_verification_header, get_message_verification_payload,
+ load_checkpoint_update_fixture, load_execution_header_update_fixture,
+ load_finalized_header_update_fixture, load_next_finalized_header_update_fixture,
+ load_next_sync_committee_update_fixture, load_sync_committee_update_fixture,
+};
+
+pub use crate::mock::*;
+
+use crate::config::{EPOCHS_PER_SYNC_COMMITTEE_PERIOD, SLOTS_PER_EPOCH};
+use frame_support::{assert_err, assert_noop, assert_ok};
+use hex_literal::hex;
+use primitives::{
+ CompactExecutionHeader, ExecutionHeaderState, Fork, ForkVersions, NextSyncCommitteeUpdate,
+ VersionedExecutionPayloadHeader,
+};
+use rand::{thread_rng, Rng};
+use snowbridge_core::{
+ inbound::{VerificationError, Verifier},
+ RingBufferMap,
+};
+use sp_core::H256;
+use sp_runtime::DispatchError;
+
+/// Arbitrary hash used for tests and invalid hashes.
+const TEST_HASH: [u8; 32] =
+ hex!["5f6f02af29218292d21a69b64a794a7c0873b3e0f54611972863706e8cbdf371"];
+
+/* UNIT TESTS */
+
+#[test]
+pub fn sum_sync_committee_participation() {
+ new_tester().execute_with(|| {
+ assert_eq!(sync_committee_sum(&[0, 1, 0, 1, 1, 0, 1, 0, 1]), 5);
+ });
+}
+
+#[test]
+pub fn compute_domain() {
+ new_tester().execute_with(|| {
+ let domain = EthereumBeaconClient::compute_domain(
+ hex!("07000000").into(),
+ hex!("00000001"),
+ hex!("5dec7ae03261fde20d5b024dfabce8bac3276c9a4908e23d50ba8c9b50b0adff").into(),
+ );
+
+ assert_ok!(&domain);
+ assert_eq!(
+ domain.unwrap(),
+ hex!("0700000046324489ceb6ada6d118eacdbe94f49b1fcb49d5481a685979670c7c").into()
+ );
+ });
+}
+
+#[test]
+pub fn compute_signing_root_bls() {
+ new_tester().execute_with(|| {
+ let signing_root = EthereumBeaconClient::compute_signing_root(
+ &BeaconHeader {
+ slot: 3529537,
+ proposer_index: 192549,
+ parent_root: hex!(
+ "1f8dc05ea427f78e84e2e2666e13c3befb7106fd1d40ef8a3f67cf615f3f2a4c"
+ )
+ .into(),
+ state_root: hex!(
+ "0dfb492a83da711996d2d76b64604f9bca9dc08b6c13cf63b3be91742afe724b"
+ )
+ .into(),
+ body_root: hex!("66fba38f7c8c2526f7ddfe09c1a54dd12ff93bdd4d0df6a0950e88e802228bfa")
+ .into(),
+ },
+ hex!("07000000afcaaba0efab1ca832a15152469bb09bb84641c405171dfa2d3fb45f").into(),
+ );
+
+ assert_ok!(&signing_root);
+ assert_eq!(
+ signing_root.unwrap(),
+ hex!("3ff6e9807da70b2f65cdd58ea1b25ed441a1d589025d2c4091182026d7af08fb").into()
+ );
+ });
+}
+
+#[test]
+pub fn compute_signing_root() {
+ new_tester().execute_with(|| {
+ let signing_root = EthereumBeaconClient::compute_signing_root(
+ &BeaconHeader {
+ slot: 222472,
+ proposer_index: 10726,
+ parent_root: hex!(
+ "5d481a9721f0ecce9610eab51d400d223683d599b7fcebca7e4c4d10cdef6ebb"
+ )
+ .into(),
+ state_root: hex!(
+ "14eb4575895f996a84528b789ff2e4d5148242e2983f03068353b2c37015507a"
+ )
+ .into(),
+ body_root: hex!("7bb669c75b12e0781d6fa85d7fc2f32d64eafba89f39678815b084c156e46cac")
+ .into(),
+ },
+ hex!("07000000e7acb21061790987fa1c1e745cccfb358370b33e8af2b2c18938e6c2").into(),
+ );
+
+ assert_ok!(&signing_root);
+ assert_eq!(
+ signing_root.unwrap(),
+ hex!("da12b6a6d3516bc891e8a49f82fc1925cec40b9327e06457f695035303f55cd8").into()
+ );
+ });
+}
+
+#[test]
+pub fn compute_domain_bls() {
+ new_tester().execute_with(|| {
+ let domain = EthereumBeaconClient::compute_domain(
+ hex!("07000000").into(),
+ hex!("01000000"),
+ hex!("4b363db94e286120d76eb905340fdd4e54bfe9f06bf33ff6cf5ad27f511bfe95").into(),
+ );
+
+ assert_ok!(&domain);
+ assert_eq!(
+ domain.unwrap(),
+ hex!("07000000afcaaba0efab1ca832a15152469bb09bb84641c405171dfa2d3fb45f").into()
+ );
+ });
+}
+
+#[test]
+pub fn verify_merkle_branch_for_finalized_root() {
+ new_tester().execute_with(|| {
+ assert!(verify_merkle_branch(
+ hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
+ &[
+ hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
+ hex!("5f6f02af29218292d21a69b64a794a7c0873b3e0f54611972863706e8cbdf371").into(),
+ hex!("e7125ff9ab5a840c44bedb4731f440a405b44e15f2d1a89e27341b432fabe13d").into(),
+ hex!("002c1fe5bc0bd62db6f299a582f2a80a6d5748ccc82e7ed843eaf0ae0739f74a").into(),
+ hex!("d2dc4ba9fd4edff6716984136831e70a6b2e74fca27b8097a820cbbaa5a6e3c3").into(),
+ hex!("91f77a19d8afa4a08e81164bb2e570ecd10477b3b65c305566a6d2be88510584").into(),
+ ],
+ crate::config::FINALIZED_ROOT_INDEX,
+ crate::config::FINALIZED_ROOT_DEPTH,
+ hex!("e46559327592741956f6beaa0f52e49625eb85dce037a0bd2eff333c743b287f").into()
+ ));
+ });
+}
+
+#[test]
+pub fn verify_merkle_branch_fails_if_depth_and_branch_dont_match() {
+ new_tester().execute_with(|| {
+ assert!(!verify_merkle_branch(
+ hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
+ &[
+ hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
+ hex!("5f6f02af29218292d21a69b64a794a7c0873b3e0f54611972863706e8cbdf371").into(),
+ hex!("e7125ff9ab5a840c44bedb4731f440a405b44e15f2d1a89e27341b432fabe13d").into(),
+ ],
+ crate::config::FINALIZED_ROOT_INDEX,
+ crate::config::FINALIZED_ROOT_DEPTH,
+ hex!("e46559327592741956f6beaa0f52e49625eb85dce037a0bd2eff333c743b287f").into()
+ ));
+ });
+}
+
+#[test]
+pub fn sync_committee_participation_is_supermajority() {
+ let bits =
+ hex!("bffffffff7f1ffdfcfeffeffbfdffffbfffffdffffefefffdffff7f7ffff77fffdf7bff77ffdf7fffafffffff77fefffeff7effffffff5f7fedfffdfb6ddff7b"
+ );
+ let participation = primitives::decompress_sync_committee_bits::<512, 64>(bits);
+ assert_ok!(EthereumBeaconClient::sync_committee_participation_is_supermajority(&participation));
+}
+
+#[test]
+pub fn sync_committee_participation_is_supermajority_errors_when_not_supermajority() {
+ new_tester().execute_with(|| {
+ let participation: [u8; 512] = [
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1,
+ 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0,
+ 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
+ 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
+ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1,
+ 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
+ ];
+
+ assert_err!(
+ EthereumBeaconClient::sync_committee_participation_is_supermajority(&participation),
+ Error::<Test>::SyncCommitteeParticipantsNotSupermajority
+ );
+ });
+}
+
+#[test]
+pub fn execution_header_pruning() {
+ new_tester().execute_with(|| {
+ let execution_header_prune_threshold = ExecutionHeadersPruneThreshold::get();
+ let to_be_deleted = execution_header_prune_threshold / 2;
+
+ let mut stored_hashes = vec![];
+
+ for i in 0..execution_header_prune_threshold {
+ let mut hash = H256::default();
+ thread_rng().try_fill(&mut hash.0[..]).unwrap();
+ EthereumBeaconClient::store_execution_header(
+ hash,
+ CompactExecutionHeader::default(),
+ i as u64,
+ hash,
+ );
+ stored_hashes.push(hash);
+ }
+
+ // We should have stored everything until now
+ assert_eq!({ ExecutionHeaders::<Test>::iter().count() }, stored_hashes.len());
+
+ // Let's push extra entries so that some of the previous entries are deleted.
+ for i in 0..to_be_deleted {
+ let mut hash = H256::default();
+ thread_rng().try_fill(&mut hash.0[..]).unwrap();
+ EthereumBeaconClient::store_execution_header(
+ hash,
+ CompactExecutionHeader::default(),
+ (i + execution_header_prune_threshold) as u64,
+ hash,
+ );
+
+ stored_hashes.push(hash);
+ }
+
+ // We should have only stored upto `execution_header_prune_threshold`
+ assert_eq!(
+ ExecutionHeaders::<Test>::iter().count() as u32,
+ execution_header_prune_threshold
+ );
+
+ // First `to_be_deleted` items must be deleted
+ for i in 0..to_be_deleted {
+ assert!(!ExecutionHeaders::<Test>::contains_key(stored_hashes[i as usize]));
+ }
+
+ // Other entries should be part of data
+ for i in to_be_deleted..(to_be_deleted + execution_header_prune_threshold) {
+ assert!(ExecutionHeaders::<Test>::contains_key(stored_hashes[i as usize]));
+ }
+ });
+}
+
+#[test]
+fn compute_fork_version() {
+ let mock_fork_versions = ForkVersions {
+ genesis: Fork { version: [0, 0, 0, 0], epoch: 0 },
+ altair: Fork { version: [0, 0, 0, 1], epoch: 10 },
+ bellatrix: Fork { version: [0, 0, 0, 2], epoch: 20 },
+ capella: Fork { version: [0, 0, 0, 3], epoch: 30 },
+ deneb: Fork { version: [0, 0, 0, 4], epoch: 40 },
+ };
+ new_tester().execute_with(|| {
+ assert_eq!(EthereumBeaconClient::select_fork_version(&mock_fork_versions, 0), [0, 0, 0, 0]);
+ assert_eq!(EthereumBeaconClient::select_fork_version(&mock_fork_versions, 1), [0, 0, 0, 0]);
+ assert_eq!(
+ EthereumBeaconClient::select_fork_version(&mock_fork_versions, 10),
+ [0, 0, 0, 1]
+ );
+ assert_eq!(
+ EthereumBeaconClient::select_fork_version(&mock_fork_versions, 21),
+ [0, 0, 0, 2]
+ );
+ assert_eq!(
+ EthereumBeaconClient::select_fork_version(&mock_fork_versions, 20),
+ [0, 0, 0, 2]
+ );
+ assert_eq!(
+ EthereumBeaconClient::select_fork_version(&mock_fork_versions, 32),
+ [0, 0, 0, 3]
+ );
+ });
+}
+
+#[test]
+fn find_absent_keys() {
+ let participation: [u8; 32] = [
+ 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1,
+ ];
+ let update = load_sync_committee_update_fixture();
+ let sync_committee_prepared: SyncCommitteePrepared =
+ (&update.next_sync_committee_update.unwrap().next_sync_committee)
+ .try_into()
+ .unwrap();
+
+ new_tester().execute_with(|| {
+ let pubkeys = EthereumBeaconClient::find_pubkeys(
+ &participation,
+ (*sync_committee_prepared.pubkeys).as_ref(),
+ false,
+ );
+ assert_eq!(pubkeys.len(), 2);
+ assert_eq!(pubkeys[0], sync_committee_prepared.pubkeys[0]);
+ assert_eq!(pubkeys[1], sync_committee_prepared.pubkeys[7]);
+ });
+}
+
+#[test]
+fn find_present_keys() {
+ let participation: [u8; 32] = [
+ 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
+ 1, 0,
+ ];
+ let update = load_sync_committee_update_fixture();
+ let sync_committee_prepared: SyncCommitteePrepared =
+ (&update.next_sync_committee_update.unwrap().next_sync_committee)
+ .try_into()
+ .unwrap();
+
+ new_tester().execute_with(|| {
+ let pubkeys = EthereumBeaconClient::find_pubkeys(
+ &participation,
+ (*sync_committee_prepared.pubkeys).as_ref(),
+ true,
+ );
+ assert_eq!(pubkeys.len(), 4);
+ assert_eq!(pubkeys[0], sync_committee_prepared.pubkeys[1]);
+ assert_eq!(pubkeys[1], sync_committee_prepared.pubkeys[8]);
+ assert_eq!(pubkeys[2], sync_committee_prepared.pubkeys[26]);
+ assert_eq!(pubkeys[3], sync_committee_prepared.pubkeys[30]);
+ });
+}
+
+#[test]
+fn cross_check_execution_state() {
+ new_tester().execute_with(|| {
+ let header_root: H256 = TEST_HASH.into();
+ <FinalizedBeaconState<Test>>::insert(
+ header_root,
+ CompactBeaconState {
+ // set slot to period 5
+ slot: ((EPOCHS_PER_SYNC_COMMITTEE_PERIOD * SLOTS_PER_EPOCH) * 5) as u64,
+ block_roots_root: Default::default(),
+ },
+ );
+ LatestFinalizedBlockRoot::<Test>::set(header_root);
+ <LatestExecutionState<Test>>::set(ExecutionHeaderState {
+ beacon_block_root: Default::default(),
+ // set slot to period 2
+ beacon_slot: ((EPOCHS_PER_SYNC_COMMITTEE_PERIOD * SLOTS_PER_EPOCH) * 2) as u64,
+ block_hash: Default::default(),
+ block_number: 0,
+ });
+
+ assert_err!(
+ EthereumBeaconClient::cross_check_execution_state(),
+ Error::<Test>::ExecutionHeaderTooFarBehind
+ );
+ });
+}
+
+/* SYNC PROCESS TESTS */
+
+#[test]
+fn process_initial_checkpoint() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::force_checkpoint(
+ RuntimeOrigin::root(),
+ checkpoint.clone()
+ ));
+ let block_root: H256 = checkpoint.header.hash_tree_root().unwrap();
+ assert!(<FinalizedBeaconState<Test>>::contains_key(block_root));
+ });
+}
+
+#[test]
+fn process_initial_checkpoint_with_invalid_sync_committee_proof() {
+ let mut checkpoint = Box::new(load_checkpoint_update_fixture());
+ checkpoint.current_sync_committee_branch[0] = TEST_HASH.into();
+
+ new_tester().execute_with(|| {
+ assert_err!(
+ EthereumBeaconClient::force_checkpoint(RuntimeOrigin::root(), checkpoint),
+ Error::<Test>::InvalidSyncCommitteeMerkleProof
+ );
+ });
+}
+
+#[test]
+fn process_initial_checkpoint_with_invalid_blocks_root_proof() {
+ let mut checkpoint = Box::new(load_checkpoint_update_fixture());
+ checkpoint.block_roots_branch[0] = TEST_HASH.into();
+
+ new_tester().execute_with(|| {
+ assert_err!(
+ EthereumBeaconClient::force_checkpoint(RuntimeOrigin::root(), checkpoint),
+ Error::<Test>::InvalidBlockRootsRootMerkleProof
+ );
+ });
+}
+
+#[test]
+fn submit_update_in_current_period() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let update = Box::new(load_finalized_header_update_fixture());
+ let initial_period = compute_period(checkpoint.header.slot);
+ let update_period = compute_period(update.finalized_header.slot);
+ assert_eq!(initial_period, update_period);
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), update.clone()));
+ let block_root: H256 = update.finalized_header.hash_tree_root().unwrap();
+ assert!(<FinalizedBeaconState<Test>>::contains_key(block_root));
+ });
+}
+
+#[test]
+fn submit_update_with_sync_committee_in_current_period() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let update = Box::new(load_sync_committee_update_fixture());
+ let init_period = compute_period(checkpoint.header.slot);
+ let update_period = compute_period(update.finalized_header.slot);
+ assert_eq!(init_period, update_period);
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert!(!<NextSyncCommittee<Test>>::exists());
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), update));
+ assert!(<NextSyncCommittee<Test>>::exists());
+ });
+}
+
+#[test]
+fn submit_update_in_next_period() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let sync_committee_update = Box::new(load_sync_committee_update_fixture());
+ let update = Box::new(load_next_finalized_header_update_fixture());
+ let sync_committee_period = compute_period(sync_committee_update.finalized_header.slot);
+ let next_sync_committee_period = compute_period(update.finalized_header.slot);
+ assert_eq!(sync_committee_period + 1, next_sync_committee_period);
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert_ok!(EthereumBeaconClient::submit(
+ RuntimeOrigin::signed(1),
+ sync_committee_update.clone()
+ ));
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), update.clone()));
+ let block_root: H256 = update.finalized_header.clone().hash_tree_root().unwrap();
+ assert!(<FinalizedBeaconState<Test>>::contains_key(block_root));
+ });
+}
+
+#[test]
+fn submit_update_with_invalid_header_proof() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let mut update = Box::new(load_sync_committee_update_fixture());
+ let init_period = compute_period(checkpoint.header.slot);
+ let update_period = compute_period(update.finalized_header.slot);
+ assert_eq!(init_period, update_period);
+ update.finality_branch[0] = TEST_HASH.into();
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert!(!<NextSyncCommittee<Test>>::exists());
+ assert_err!(
+ EthereumBeaconClient::submit(RuntimeOrigin::signed(1), update),
+ Error::<Test>::InvalidHeaderMerkleProof
+ );
+ });
+}
+
+#[test]
+fn submit_update_with_invalid_block_roots_proof() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let mut update = Box::new(load_sync_committee_update_fixture());
+ let init_period = compute_period(checkpoint.header.slot);
+ let update_period = compute_period(update.finalized_header.slot);
+ assert_eq!(init_period, update_period);
+ update.block_roots_branch[0] = TEST_HASH.into();
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert!(!<NextSyncCommittee<Test>>::exists());
+ assert_err!(
+ EthereumBeaconClient::submit(RuntimeOrigin::signed(1), update),
+ Error::<Test>::InvalidBlockRootsRootMerkleProof
+ );
+ });
+}
+
+#[test]
+fn submit_update_with_invalid_next_sync_committee_proof() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let mut update = Box::new(load_sync_committee_update_fixture());
+ let init_period = compute_period(checkpoint.header.slot);
+ let update_period = compute_period(update.finalized_header.slot);
+ assert_eq!(init_period, update_period);
+ if let Some(ref mut next_sync_committee_update) = update.next_sync_committee_update {
+ next_sync_committee_update.next_sync_committee_branch[0] = TEST_HASH.into();
+ }
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert!(!<NextSyncCommittee<Test>>::exists());
+ assert_err!(
+ EthereumBeaconClient::submit(RuntimeOrigin::signed(1), update),
+ Error::<Test>::InvalidSyncCommitteeMerkleProof
+ );
+ });
+}
+
+#[test]
+fn submit_update_with_skipped_period() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let sync_committee_update = Box::new(load_sync_committee_update_fixture());
+ let mut update = Box::new(load_next_finalized_header_update_fixture());
+ update.signature_slot += (EPOCHS_PER_SYNC_COMMITTEE_PERIOD * SLOTS_PER_EPOCH) as u64;
+ update.attested_header.slot = update.signature_slot - 1;
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert_ok!(EthereumBeaconClient::submit(
+ RuntimeOrigin::signed(1),
+ sync_committee_update.clone()
+ ));
+ assert_err!(
+ EthereumBeaconClient::submit(RuntimeOrigin::signed(1), update),
+ Error::<Test>::SkippedSyncCommitteePeriod
+ );
+ });
+}
+
+#[test]
+fn submit_update_with_sync_committee_in_next_period() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let update = Box::new(load_sync_committee_update_fixture());
+ let next_update = Box::new(load_next_sync_committee_update_fixture());
+ let update_period = compute_period(update.finalized_header.slot);
+ let next_update_period = compute_period(next_update.finalized_header.slot);
+ assert_eq!(update_period + 1, next_update_period);
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert!(!<NextSyncCommittee<Test>>::exists());
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), update.clone()));
+ assert!(<NextSyncCommittee<Test>>::exists());
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), next_update.clone()));
+ let last_finalized_state =
+ FinalizedBeaconState::<Test>::get(LatestFinalizedBlockRoot::<Test>::get()).unwrap();
+ let last_synced_period = compute_period(last_finalized_state.slot);
+ assert_eq!(last_synced_period, next_update_period);
+ });
+}
+
+#[test]
+fn submit_update_with_sync_committee_invalid_signature_slot() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let mut update = Box::new(load_sync_committee_update_fixture());
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+
+ // makes a invalid update with signature_slot should be more than attested_slot
+ update.signature_slot = update.attested_header.slot;
+
+ assert_err!(
+ EthereumBeaconClient::submit(RuntimeOrigin::signed(1), update),
+ Error::<Test>::InvalidUpdateSlot
+ );
+ });
+}
+
+#[test]
+fn submit_update_with_skipped_sync_committee_period() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let finalized_update = Box::new(load_next_finalized_header_update_fixture());
+ let checkpoint_period = compute_period(checkpoint.header.slot);
+ let next_sync_committee_period = compute_period(finalized_update.finalized_header.slot);
+ assert_eq!(checkpoint_period + 1, next_sync_committee_period);
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert_err!(
+ EthereumBeaconClient::submit(RuntimeOrigin::signed(1), finalized_update),
+ Error::<Test>::SkippedSyncCommitteePeriod
+ );
+ });
+}
+
+#[test]
+fn submit_update_execution_headers_too_far_behind() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let finalized_header_update = Box::new(load_finalized_header_update_fixture());
+ let execution_header_update = Box::new(load_execution_header_update_fixture());
+ let next_update = Box::new(load_next_sync_committee_update_fixture());
+
+ new_tester().execute_with(|| {
+ let far_ahead_finalized_header_slot = finalized_header_update.finalized_header.slot +
+ (EPOCHS_PER_SYNC_COMMITTEE_PERIOD * SLOTS_PER_EPOCH * 2) as u64;
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), finalized_header_update));
+ assert_ok!(EthereumBeaconClient::submit_execution_header(
+ RuntimeOrigin::signed(1),
+ execution_header_update
+ ));
+
+ let header_root: H256 = TEST_HASH.into();
+ <FinalizedBeaconState<Test>>::insert(
+ header_root,
+ CompactBeaconState {
+ slot: far_ahead_finalized_header_slot,
+ block_roots_root: Default::default(),
+ },
+ );
+ LatestFinalizedBlockRoot::<Test>::set(header_root);
+
+ assert_err!(
+ EthereumBeaconClient::submit(RuntimeOrigin::signed(1), next_update),
+ Error::<Test>::ExecutionHeaderTooFarBehind
+ );
+ });
+}
+
+#[test]
+fn submit_irrelevant_update() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let mut update = Box::new(load_next_finalized_header_update_fixture());
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+
+ // makes an invalid update where the attested_header slot value should be greater than the
+ // checkpoint slot value
+ update.finalized_header.slot = checkpoint.header.slot;
+ update.attested_header.slot = checkpoint.header.slot;
+ update.signature_slot = checkpoint.header.slot + 1;
+
+ assert_err!(
+ EthereumBeaconClient::submit(RuntimeOrigin::signed(1), update),
+ Error::<Test>::IrrelevantUpdate
+ );
+ });
+}
+
+#[test]
+fn submit_update_with_missing_bootstrap() {
+ let update = Box::new(load_next_finalized_header_update_fixture());
+
+ new_tester().execute_with(|| {
+ assert_err!(
+ EthereumBeaconClient::submit(RuntimeOrigin::signed(1), update),
+ Error::<Test>::NotBootstrapped
+ );
+ });
+}
+
+#[test]
+fn submit_update_with_invalid_sync_committee_update() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let update = Box::new(load_sync_committee_update_fixture());
+ let mut next_update = Box::new(load_next_sync_committee_update_fixture());
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), update));
+
+ // makes update with invalid next_sync_committee
+ <FinalizedBeaconState<Test>>::mutate(<LatestFinalizedBlockRoot<Test>>::get(), |x| {
+ let prev = x.unwrap();
+ *x = Some(CompactBeaconState { slot: next_update.attested_header.slot, ..prev });
+ });
+ next_update.attested_header.slot += 1;
+ next_update.signature_slot = next_update.attested_header.slot + 1;
+ let next_sync_committee = NextSyncCommitteeUpdate::default();
+ next_update.next_sync_committee_update = Some(next_sync_committee);
+
+ assert_err!(
+ EthereumBeaconClient::submit(RuntimeOrigin::signed(1), next_update),
+ Error::<Test>::InvalidSyncCommitteeUpdate
+ );
+ });
+}
+
+#[test]
+fn submit_execution_header_update() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let finalized_header_update = Box::new(load_finalized_header_update_fixture());
+ let execution_header_update = Box::new(load_execution_header_update_fixture());
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), finalized_header_update));
+ assert_ok!(EthereumBeaconClient::submit_execution_header(
+ RuntimeOrigin::signed(1),
+ execution_header_update.clone()
+ ));
+ assert!(<ExecutionHeaders<Test>>::contains_key(
+ execution_header_update.execution_header.block_hash()
+ ));
+ });
+}
+
+#[test]
+fn submit_execution_header_update_invalid_ancestry_proof() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let finalized_header_update = Box::new(load_finalized_header_update_fixture());
+ let mut execution_header_update = Box::new(load_execution_header_update_fixture());
+ if let Some(ref mut ancestry_proof) = execution_header_update.ancestry_proof {
+ ancestry_proof.header_branch[0] = TEST_HASH.into()
+ }
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), finalized_header_update));
+ assert_err!(
+ EthereumBeaconClient::submit_execution_header(
+ RuntimeOrigin::signed(1),
+ execution_header_update
+ ),
+ Error::<Test>::InvalidAncestryMerkleProof
+ );
+ });
+}
+
+#[test]
+fn submit_execution_header_update_invalid_execution_header_proof() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let finalized_header_update = Box::new(load_finalized_header_update_fixture());
+ let mut execution_header_update = Box::new(load_execution_header_update_fixture());
+ execution_header_update.execution_branch[0] = TEST_HASH.into();
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), finalized_header_update));
+ assert_err!(
+ EthereumBeaconClient::submit_execution_header(
+ RuntimeOrigin::signed(1),
+ execution_header_update
+ ),
+ Error::<Test>::InvalidExecutionHeaderProof
+ );
+ });
+}
+
+#[test]
+fn submit_execution_header_update_that_skips_block() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let finalized_header_update = Box::new(load_finalized_header_update_fixture());
+ let execution_header_update = Box::new(load_execution_header_update_fixture());
+ let mut skipped_block_execution_header_update =
+ Box::new(load_execution_header_update_fixture());
+ let mut skipped_execution_header =
+ skipped_block_execution_header_update.execution_header.clone();
+
+ skipped_execution_header = match skipped_execution_header {
+ VersionedExecutionPayloadHeader::Capella(execution_payload_header) => {
+ let mut mut_execution_payload_header = execution_payload_header.clone();
+ mut_execution_payload_header.block_number = execution_payload_header.block_number + 2;
+ VersionedExecutionPayloadHeader::Capella(mut_execution_payload_header)
+ },
+ VersionedExecutionPayloadHeader::Deneb(execution_payload_header) => {
+ let mut mut_execution_payload_header = execution_payload_header.clone();
+ mut_execution_payload_header.block_number = execution_payload_header.block_number + 2;
+ VersionedExecutionPayloadHeader::Deneb(mut_execution_payload_header)
+ },
+ };
+
+ skipped_block_execution_header_update.execution_header = skipped_execution_header;
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), finalized_header_update));
+ assert_ok!(EthereumBeaconClient::submit_execution_header(
+ RuntimeOrigin::signed(1),
+ execution_header_update.clone()
+ ));
+ assert!(<ExecutionHeaders<Test>>::contains_key(
+ execution_header_update.execution_header.block_hash()
+ ));
+ assert_err!(
+ EthereumBeaconClient::submit_execution_header(
+ RuntimeOrigin::signed(1),
+ skipped_block_execution_header_update
+ ),
+ Error::<Test>::ExecutionHeaderSkippedBlock
+ );
+ });
+}
+
+#[test]
+fn submit_execution_header_update_that_is_also_finalized_header_which_is_not_stored() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let finalized_header_update = Box::new(load_finalized_header_update_fixture());
+ let mut execution_header_update = Box::new(load_execution_header_update_fixture());
+ execution_header_update.ancestry_proof = None;
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), finalized_header_update));
+ assert_err!(
+ EthereumBeaconClient::submit_execution_header(
+ RuntimeOrigin::signed(1),
+ execution_header_update
+ ),
+ Error::<Test>::ExpectedFinalizedHeaderNotStored
+ );
+ });
+}
+
+#[test]
+fn submit_execution_header_update_that_is_also_finalized_header_which_is_stored_but_slots_dont_match(
+) {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let finalized_header_update = Box::new(load_finalized_header_update_fixture());
+ let mut execution_header_update = Box::new(load_execution_header_update_fixture());
+ execution_header_update.ancestry_proof = None;
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), finalized_header_update));
+
+ let block_root: H256 = execution_header_update.header.hash_tree_root().unwrap();
+
+ <FinalizedBeaconState<Test>>::insert(
+ block_root,
+ CompactBeaconState {
+ slot: execution_header_update.header.slot + 1,
+ block_roots_root: Default::default(),
+ },
+ );
+ LatestFinalizedBlockRoot::<Test>::set(block_root);
+
+ assert_err!(
+ EthereumBeaconClient::submit_execution_header(
+ RuntimeOrigin::signed(1),
+ execution_header_update
+ ),
+ Error::<Test>::ExpectedFinalizedHeaderNotStored
+ );
+ });
+}
+
+#[test]
+fn submit_execution_header_not_finalized() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let finalized_header_update = Box::new(load_finalized_header_update_fixture());
+ let update = Box::new(load_execution_header_update_fixture());
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+ assert_ok!(EthereumBeaconClient::submit(RuntimeOrigin::signed(1), finalized_header_update));
+
+ <FinalizedBeaconState<Test>>::mutate(<LatestFinalizedBlockRoot<Test>>::get(), |x| {
+ let prev = x.unwrap();
+ *x = Some(CompactBeaconState { slot: update.header.slot - 1, ..prev });
+ });
+
+ assert_err!(
+ EthereumBeaconClient::submit_execution_header(RuntimeOrigin::signed(1), update),
+ Error::<Test>::HeaderNotFinalized
+ );
+ });
+}
+
+/* IMPLS */
+
+#[test]
+fn verify_message() {
+ let header = get_message_verification_header();
+ let (event_log, proof) = get_message_verification_payload();
+ let block_hash = proof.block_hash;
+
+ new_tester().execute_with(|| {
+ <ExecutionHeaderBuffer<Test>>::insert(block_hash, header);
+ assert_ok!(EthereumBeaconClient::verify(&event_log, &proof));
+ });
+}
+
+#[test]
+fn verify_message_missing_header() {
+ let (event_log, proof) = get_message_verification_payload();
+
+ new_tester().execute_with(|| {
+ assert_err!(
+ EthereumBeaconClient::verify(&event_log, &proof),
+ VerificationError::HeaderNotFound
+ );
+ });
+}
+
+#[test]
+fn verify_message_invalid_proof() {
+ let header = get_message_verification_header();
+ let (event_log, mut proof) = get_message_verification_payload();
+ proof.data.1[0] = TEST_HASH.into();
+ let block_hash = proof.block_hash;
+
+ new_tester().execute_with(|| {
+ <ExecutionHeaderBuffer<Test>>::insert(block_hash, header);
+ assert_err!(
+ EthereumBeaconClient::verify(&event_log, &proof),
+ VerificationError::InvalidProof
+ );
+ });
+}
+
+#[test]
+fn verify_message_invalid_receipts_root() {
+ let mut header = get_message_verification_header();
+ let (event_log, proof) = get_message_verification_payload();
+ let block_hash = proof.block_hash;
+ header.receipts_root = TEST_HASH.into();
+
+ new_tester().execute_with(|| {
+ <ExecutionHeaderBuffer<Test>>::insert(block_hash, header);
+ assert_err!(
+ EthereumBeaconClient::verify(&event_log, &proof),
+ VerificationError::InvalidProof
+ );
+ });
+}
+
+#[test]
+fn verify_message_invalid_log() {
+ let header = get_message_verification_header();
+ let (mut event_log, proof) = get_message_verification_payload();
+ let block_hash = proof.block_hash;
+ event_log.topics = vec![H256::zero(); 10];
+
+ new_tester().execute_with(|| {
+ <ExecutionHeaderBuffer<Test>>::insert(block_hash, header);
+ assert_err!(
+ EthereumBeaconClient::verify(&event_log, &proof),
+ VerificationError::InvalidLog
+ );
+ });
+}
+
+#[test]
+fn verify_message_receipt_does_not_contain_log() {
+ let header = get_message_verification_header();
+ let (mut event_log, proof) = get_message_verification_payload();
+ let block_hash = proof.block_hash;
+ event_log.data = hex!("f9013c94ee9170abfbf9421ad6dd07f6bdec9d89f2b581e0f863a01b11dcf133cc240f682dab2d3a8e4cd35c5da8c9cf99adac4336f8512584c5ada000000000000000000000000000000000000000000000000000000000000003e8a00000000000000000000000000000000000000000000000000000000000000002b8c000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000068000f000000000000000101d184c103f7acc340847eee82a0b909e3358bc28d440edffa1352b13227e8ee646f3ea37456dec70100000101001cbd2d43530a44705ad088af313e18f80b53ef16b36177cd4b77b846f2a5f07c0000e8890423c78a0000000000000000000000000000000000000000000000000000000000000000").to_vec();
+
+ new_tester().execute_with(|| {
+ <ExecutionHeaderBuffer<Test>>::insert(block_hash, header);
+ assert_err!(
+ EthereumBeaconClient::verify(&event_log, &proof),
+ VerificationError::LogNotFound
+ );
+ });
+}
+
+#[test]
+fn set_operating_mode() {
+ let checkpoint = Box::new(load_checkpoint_update_fixture());
+ let update = Box::new(load_finalized_header_update_fixture());
+ let execution_header_update = Box::new(load_execution_header_update_fixture());
+
+ new_tester().execute_with(|| {
+ assert_ok!(EthereumBeaconClient::process_checkpoint_update(&checkpoint));
+
+ assert_ok!(EthereumBeaconClient::set_operating_mode(
+ RuntimeOrigin::root(),
+ snowbridge_core::BasicOperatingMode::Halted
+ ));
+
+ assert_noop!(
+ EthereumBeaconClient::submit(RuntimeOrigin::signed(1), update),
+ Error::<Test>::Halted
+ );
+
+ assert_noop!(
+ EthereumBeaconClient::submit_execution_header(
+ RuntimeOrigin::signed(1),
+ execution_header_update
+ ),
+ Error::<Test>::Halted
+ );
+ });
+}
+
+#[test]
+fn set_operating_mode_root_only() {
+ new_tester().execute_with(|| {
+ assert_noop!(
+ EthereumBeaconClient::set_operating_mode(
+ RuntimeOrigin::signed(1),
+ snowbridge_core::BasicOperatingMode::Halted
+ ),
+ DispatchError::BadOrigin
+ );
+ });
+}
diff --git a/bridges/snowbridge/pallets/ethereum-client/src/types.rs b/bridges/snowbridge/pallets/ethereum-client/src/types.rs
new file mode 100644
index 0000000000000..5dcefea9f80f4
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/src/types.rs
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+pub use crate::config::{
+ SLOTS_PER_HISTORICAL_ROOT, SYNC_COMMITTEE_BITS_SIZE as SC_BITS_SIZE,
+ SYNC_COMMITTEE_SIZE as SC_SIZE,
+};
+use frame_support::storage::types::OptionQuery;
+use snowbridge_core::RingBufferMapImpl;
+
+// Specialize types based on configured sync committee size
+pub type SyncCommittee = primitives::SyncCommittee<SC_SIZE>;
+pub type SyncCommitteePrepared = primitives::SyncCommitteePrepared<SC_SIZE>;
+pub type SyncAggregate = primitives::SyncAggregate<SC_SIZE, SC_BITS_SIZE>;
+pub type CheckpointUpdate = primitives::CheckpointUpdate<SC_SIZE>;
+pub type Update = primitives::Update<SC_SIZE, SC_BITS_SIZE>;
+pub type NextSyncCommitteeUpdate = primitives::NextSyncCommitteeUpdate<SC_SIZE>;
+
+pub use primitives::ExecutionHeaderUpdate;
+
+/// ExecutionHeader ring buffer implementation
+pub type ExecutionHeaderBuffer<T> = RingBufferMapImpl<
+ u32,
+ <T as crate::Config>::MaxExecutionHeadersToKeep,
+ crate::ExecutionHeaderIndex<T>,
+ crate::ExecutionHeaderMapping<T>,
+ crate::ExecutionHeaders<T>,
+ OptionQuery,
+>;
+
+/// FinalizedState ring buffer implementation
+pub(crate) type FinalizedBeaconStateBuffer<T> = RingBufferMapImpl<
+ u32,
+ crate::MaxFinalizedHeadersToKeep<T>,
+ crate::FinalizedBeaconStateIndex<T>,
+ crate::FinalizedBeaconStateMapping<T>,
+ crate::FinalizedBeaconState<T>,
+ OptionQuery,
+>;
diff --git a/bridges/snowbridge/pallets/ethereum-client/src/weights.rs b/bridges/snowbridge/pallets/ethereum-client/src/weights.rs
new file mode 100644
index 0000000000000..e1a5578f46615
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/src/weights.rs
@@ -0,0 +1,68 @@
+//! Autogenerated weights for ethereum_beacon_client
+//!
+//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 4.0.0-dev
+//! DATE: 2022-09-27, STEPS: `10`, REPEAT: 10, LOW RANGE: `[]`, HIGH RANGE: `[]`
+//! EXECUTION: Some(Wasm), WASM-EXECUTION: Compiled, CHAIN: Some("/tmp/snowbridge/spec.json"), DB CACHE: 1024
+
+// Executed Command:
+// ./target/release/snowbridge
+// benchmark
+// pallet
+// --chain
+// /tmp/snowbridge/spec.json
+// --execution=wasm
+// --pallet
+// ethereum_beacon_client
+// --extrinsic
+// *
+// --steps
+// 10
+// --repeat
+// 10
+// --output
+// pallets/ethereum-client/src/weights.rs
+// --template
+// templates/module-weight-template.hbs
+
+#![cfg_attr(rustfmt, rustfmt_skip)]
+#![allow(unused_parens)]
+#![allow(unused_imports)]
+
+use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
+use sp_std::marker::PhantomData;
+
+/// Weight functions needed for ethereum_beacon_client.
+pub trait WeightInfo {
+ fn force_checkpoint() -> Weight;
+ fn submit() -> Weight;
+ fn submit_with_sync_committee() -> Weight;
+ fn submit_execution_header() -> Weight;
+}
+
+// For backwards compatibility and tests
+impl WeightInfo for () {
+ fn force_checkpoint() -> Weight {
+ Weight::from_parts(97_263_571_000_u64, 0)
+ .saturating_add(Weight::from_parts(0, 3501))
+ .saturating_add(RocksDbWeight::get().reads(2))
+ .saturating_add(RocksDbWeight::get().writes(9))
+ }
+ fn submit() -> Weight {
+ Weight::from_parts(26_051_019_000_u64, 0)
+ .saturating_add(Weight::from_parts(0, 93857))
+ .saturating_add(RocksDbWeight::get().reads(8))
+ .saturating_add(RocksDbWeight::get().writes(4))
+ }
+ fn submit_with_sync_committee() -> Weight {
+ Weight::from_parts(122_461_312_000_u64, 0)
+ .saturating_add(Weight::from_parts(0, 93857))
+ .saturating_add(RocksDbWeight::get().reads(6))
+ .saturating_add(RocksDbWeight::get().writes(1))
+ }
+ fn submit_execution_header() -> Weight {
+ Weight::from_parts(113_158_000_u64, 0)
+ .saturating_add(Weight::from_parts(0, 3537))
+ .saturating_add(RocksDbWeight::get().reads(5))
+ .saturating_add(RocksDbWeight::get().writes(4))
+ }
+}
diff --git a/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/execution-header-update.json b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/execution-header-update.json
new file mode 100755
index 0000000000000..319014249c12d
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/execution-header-update.json
@@ -0,0 +1,54 @@
+{
+ "header": {
+ "slot": 215,
+ "proposer_index": 2,
+ "parent_root": "0x97518f531a252bb6ca547b21aca9da767943ec99211d3b15c804e34c3a523f45",
+ "state_root": "0xb088b5a3a8c90d6dc919a695cd7bb0267c6f983ea2e675c559ceb8f46cb90b67",
+ "body_root": "0x0ba23c8224fdd01531d5ad51486353bd524a0b4c20bca704e26d3210616f829b"
+ },
+ "ancestry_proof": {
+ "header_branch": [
+ "0x97518f531a252bb6ca547b21aca9da767943ec99211d3b15c804e34c3a523f45",
+ "0x5ce0db996bd499c2b4f7a93263d5aafd052f420efb617cce6fdd54e25516aa45",
+ "0x84f0e373b66011ce774c7061440c0a50a51cce2b4b335395eee3e563d605597f",
+ "0x48f9ccc5f9594142c18c3b5c39a99f0549329c6ab3ba06c9a50030eadca87770",
+ "0xf89d6e311e05bc75a6f63ce118bccce254551f1a88d54c3b4f773f81f946bd99",
+ "0x2edd6d893c22636675147c07dfcdb541a146e87c3f15b51c388be4868246dc9b",
+ "0xd76b7de5f856e3208a91a42c9c398a7f4fab35e667bf916346050ae742514a2d",
+ "0x83a2e233e76385953ca41de4c3afe60471a61f0cc1b3846b4a0670e3e563b747",
+ "0xe783a5a109c2ad74e4eb53e8f6b11b31266a92a9e16c1fd5873109c5d41b282c",
+ "0xd4ea1ef3869ee6a0fd0b19d7d70027d144eecd4f1d32cbf47632a0a9069164b9",
+ "0xf8179564b58eb93a850d35e4156a04db651106442ad891c3e85155c1762792f1",
+ "0x4cbb1edb48cf1e32fb30db60aaaeaf6190ffe4d0c8dbc96cec307daecb78be12",
+ "0xb7d05f875f140027ef5118a2247bbb84ce8f2f0f1123623085daf7960c329f5f"
+ ],
+ "finalized_block_root": "0x890a7f23b9ed2160901654be9efc575d6830ca860e2a97866ae3423fb7bd7231"
+ },
+ "execution_header": {
+ "Deneb": {
+ "parent_hash": "0xd82ec63f5c5e6ba61d62f09c188f158e6449b94bdcc31941e68639eec3c4cf7a",
+ "fee_recipient": "0x0000000000000000000000000000000000000000",
+ "state_root": "0x8b65545fe5f3216b47b6339b9c91ca2b7f1032a970b04246d9e9fb4460ee34c3",
+ "receipts_root": "0x7b1f61b9714c080ef0be014e01657a15f45f0304b477beebc7ca5596c8033095",
+ "logs_bloom": "0x00000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000080000000000000000000000000000004000000000080000000000000000000000000000000000010100000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000040004000000000000002000002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000200000000000010",
+ "prev_randao": "0x6d9e2a012d82b1b6cb0a2c1c1ed24cc16dbb56e6e39ae545371e0666ab057862",
+ "block_number": 215,
+ "gas_limit": 64842908,
+ "gas_used": 119301,
+ "timestamp": 1705859527,
+ "extra_data": "0xd983010d0a846765746888676f312e32312e358664617277696e",
+ "base_fee_per_gas": 7,
+ "block_hash": "0x48498dbfbcfae53a7f4c289ee00747aceea925f6260c50ead5a33e1c55c40f98",
+ "transactions_root": "0x5ebc1347fe3df0611d4f66b19bd8e1c6f4eaed0371d850f14c83b1c77ea234e6",
+ "withdrawals_root": "0x792930bbd5baac43bcc798ee49aa8185ef76bb3b44ba62b91d86ae569e4bb535",
+ "blob_gas_used": 0,
+ "excess_blob_gas": 0
+ }
+ },
+ "execution_branch": [
+ "0xf8c69d3830406d668619bcccc13c8dddde41e863326f7418b241d5924c4ad34a",
+ "0xb46f0c01805fe212e15907981b757e6c496b0cb06664224655613dcec82505bb",
+ "0xdb56114e00fdd4c1f85c892bf35ac9a89289aaecb1ebd0a96cde606a748b5d71",
+ "0xf4d6b5cf9c6e212615c3674fa625d04eb1114153fb221ef5ad02aa433fc67cfb"
+ ]
+}
\ No newline at end of file
diff --git a/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/finalized-header-update.json b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/finalized-header-update.json
new file mode 100755
index 0000000000000..f9d5324d57b15
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/finalized-header-update.json
@@ -0,0 +1,38 @@
+{
+ "attested_header": {
+ "slot": 2566,
+ "proposer_index": 6,
+ "parent_root": "0x6eb9f13a2c496318ce1ab3087bbd872f5c9519a1a7ca8231a2453e3cb523af00",
+ "state_root": "0xc8cb12766113dff7e46d2917267bf33d0626d99dd47715fcdbc5c65fad3c04b4",
+ "body_root": "0xd8cfd0d7bc9bc3724417a1655bb0a67c0765ca36197320f4d834150b52ef1420"
+ },
+ "sync_aggregate": {
+ "sync_committee_bits": "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+ "sync_committee_signature": "0x9296f9a0387f2cac47008e22ad7c3cd3d49d35384c13e6aa1eacca7dca7c3d2ca81515e50eb3396b9550ed20ef7d8fa2049a186598feb2c00e93728045fcff917733d1827481b8fc95f3913e27fc70112c2490496eb57bb7181f02c3f9fd471f"
+ },
+ "signature_slot": 2567,
+ "next_sync_committee_update": null,
+ "finalized_header": {
+ "slot": 2496,
+ "proposer_index": 2,
+ "parent_root": "0xc99e49787106733eeebab4d93eb326e1f2214575c9d928f0c4ab0da0776f1622",
+ "state_root": "0xfbf8a08c86ef36bd173e37e733da4a78aa8e85fee99a990e858dd12a59087fde",
+ "body_root": "0xa2a8ad06901447b2807a9059580a4c40d8a941f325b1343c69f7c7c6c90e4ab0"
+ },
+ "finality_branch": [
+ "0x4e00000000000000000000000000000000000000000000000000000000000000",
+ "0x10c726fac935bf9657cc7476d3cfa7bedec5983dcfb59e8a7df6d0a619e108d7",
+ "0x98e9116c6bb7f20de18800dc63e73e689d06d6a47d35b5e2b32cf093d475840d",
+ "0x958b8e43347f6df6fa5eb3d62d06a862381a6585aa40640dd1c0de11f1cf89c1",
+ "0xf107dce04faa86a28fc5d4a618be9cb8d4fc3c23d6c42c3624f3ff4bf6586a03",
+ "0xa501cdc02e86969ac3e4d0c5a36f4f049efaa1ab8cb6693f51d130eb52a80f30"
+ ],
+ "block_roots_root": "0xd160b7687041891b73e54b06fc4e04f82d0fa8fdd76705895e216c6b24709dfe",
+ "block_roots_branch": [
+ "0x105290e42d98ab6a0ada6e55453cede36c672abf645eeb986b88d7487616e135",
+ "0x9da41f274bcdf6122335443d9ce94d07163b48dba3e2f9499ff56f4e48b48b99",
+ "0xecea7e1d3152d8130e83afdfe34b4de4ba2b69a33c9471991096daf454de9cf5",
+ "0xb2bf1758e50b2bfff29169fbc70fdb884b2b05bb615dbc53567574da6f4f1ae2",
+ "0xcd87069daf70975779126d6af833b7d636c75ca4d5e750ebcad0e76408a5e5bf"
+ ]
+}
\ No newline at end of file
diff --git a/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/inbound-message.json b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/inbound-message.json
new file mode 100644
index 0000000000000..5aa5a59f02376
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/inbound-message.json
@@ -0,0 +1,31 @@
+{
+ "execution_header": {
+ "parent_hash": "0xd82ec63f5c5e6ba61d62f09c188f158e6449b94bdcc31941e68639eec3c4cf7a",
+ "state_root": "0x8b65545fe5f3216b47b6339b9c91ca2b7f1032a970b04246d9e9fb4460ee34c3",
+ "receipts_root": "0x7b1f61b9714c080ef0be014e01657a15f45f0304b477beebc7ca5596c8033095",
+ "block_number": 215
+ },
+ "message": {
+ "event_log": {
+ "address": "0xeda338e4dc46038493b885327842fd3e301cab39",
+ "topics": [
+ "0x7153f9357c8ea496bba60bf82e67143e27b64462b49041f8e689e1b05728f84f",
+ "0xc173fac324158e77fb5840738a1a541f633cbec8884c6a601c567d2b376a0539",
+ "0x5f7060e971b0dc81e63f0aa41831091847d97c1a4693ac450cc128c7214e65e0"
+ ],
+ "data": "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002e00a736aa00000000000087d1f7fdfee7f651fabc8bfcb6e086c278b77a7d00e40b54020000000000000000000000000000000000000000000000000000000000"
+ },
+ "Proof": {
+ "block_hash": "0x48498dbfbcfae53a7f4c289ee00747aceea925f6260c50ead5a33e1c55c40f98",
+ "tx_index": 0,
+ "data": {
+ "keys": [
+ "0x7b1f61b9714c080ef0be014e01657a15f45f0304b477beebc7ca5596c8033095"
+ ],
+ "values": [
+ "0xf9028e822080b9028802f90284018301d205b9010000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000080000000000000000000000000000004000000000080000000000000000000000000000000000010100000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000040004000000000000002000002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000200000000000010f90179f85894eda338e4dc46038493b885327842fd3e301cab39e1a0f78bb28d4b1d7da699e5c0bc2be29c2b04b5aab6aacf6298fe5304f9db9c6d7ea000000000000000000000000087d1f7fdfee7f651fabc8bfcb6e086c278b77a7df9011c94eda338e4dc46038493b885327842fd3e301cab39f863a07153f9357c8ea496bba60bf82e67143e27b64462b49041f8e689e1b05728f84fa0c173fac324158e77fb5840738a1a541f633cbec8884c6a601c567d2b376a0539a05f7060e971b0dc81e63f0aa41831091847d97c1a4693ac450cc128c7214e65e0b8a000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002e00a736aa00000000000087d1f7fdfee7f651fabc8bfcb6e086c278b77a7d00e40b54020000000000000000000000000000000000000000000000000000000000"
+ ]
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/initial-checkpoint.json b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/initial-checkpoint.json
new file mode 100755
index 0000000000000..202790c1db5b5
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/initial-checkpoint.json
@@ -0,0 +1,542 @@
+{
+ "header": {
+ "slot": 2496,
+ "proposer_index": 2,
+ "parent_root": "0xc99e49787106733eeebab4d93eb326e1f2214575c9d928f0c4ab0da0776f1622",
+ "state_root": "0xfbf8a08c86ef36bd173e37e733da4a78aa8e85fee99a990e858dd12a59087fde",
+ "body_root": "0xa2a8ad06901447b2807a9059580a4c40d8a941f325b1343c69f7c7c6c90e4ab0"
+ },
+ "current_sync_committee": {
+ "pubkeys": [
+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
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+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b"
+ ],
+ "aggregate_pubkey": "0x8fbd66eeec2ff69ef0b836f04b1d67d88bcd4dfd495061964ad757c77abe822a39fa1cd8ed0d4d9bc9276cea73fd745c"
+ },
+ "current_sync_committee_branch": [
+ "0x3ade38d498a062b50880a9409e1ca3a7fd4315d91eeb3bb83e56ac6bfe8d6a59",
+ "0x93880225bf99a0c5ec22b266ff829837754e9c5edf37a68c05b8f803fd82fa45",
+ "0x4c60656ec9a95fcf11030ad309c716b5b15beb7f60a0bcfc7c9d4eff505472ff",
+ "0x22d1645fceb4bf9a695043dda19a53e784ec70df6a6b1bd66ea30eba1cca5f2f",
+ "0xa8fc6cad84ceefc633ec56c2d031d525e1cb4b51c70eb252919fce5bba9a1fde"
+ ],
+ "validators_root": "0x270d43e74ce340de4bca2b1936beca0f4f5408d9e78aec4850920baf659d5b69",
+ "block_roots_root": "0xd160b7687041891b73e54b06fc4e04f82d0fa8fdd76705895e216c6b24709dfe",
+ "block_roots_branch": [
+ "0x105290e42d98ab6a0ada6e55453cede36c672abf645eeb986b88d7487616e135",
+ "0x9da41f274bcdf6122335443d9ce94d07163b48dba3e2f9499ff56f4e48b48b99",
+ "0xecea7e1d3152d8130e83afdfe34b4de4ba2b69a33c9471991096daf454de9cf5",
+ "0xb2bf1758e50b2bfff29169fbc70fdb884b2b05bb615dbc53567574da6f4f1ae2",
+ "0xcd87069daf70975779126d6af833b7d636c75ca4d5e750ebcad0e76408a5e5bf"
+ ]
+}
\ No newline at end of file
diff --git a/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/next-finalized-header-update.json b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/next-finalized-header-update.json
new file mode 100755
index 0000000000000..d9bf025ad354d
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/next-finalized-header-update.json
@@ -0,0 +1,38 @@
+{
+ "attested_header": {
+ "slot": 8259,
+ "proposer_index": 0,
+ "parent_root": "0x877e9b66f04549e4c924ea6aeb4a33bb7d773b341845dd690f5d738145002f86",
+ "state_root": "0x724b67fde7de071886d930c5c10560896820cff056029f8519d74599ba244e60",
+ "body_root": "0x6a3cf016e2be639d86994dc76361195a9aec0a67a18978dbb512765adef02297"
+ },
+ "sync_aggregate": {
+ "sync_committee_bits": "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+ "sync_committee_signature": "0xb817cf06ac29aa973099421c61a7d6bf91a2d04b825c4f860a999d59ccb78e4e53e604f6309f08c7ded14e9170e837150ad3a9994eb1c37d334bc03e35ddf9eadef503027485b339f16bcd5b79715a6bbd58bd823429a1a35d1be2d44a1152f1"
+ },
+ "signature_slot": 8260,
+ "next_sync_committee_update": null,
+ "finalized_header": {
+ "slot": 8192,
+ "proposer_index": 5,
+ "parent_root": "0x15889c6c548ed2859150a8d46043ce2711f66a4b4bc61cc0185407d84304ad5b",
+ "state_root": "0x47f766a70bb799a34f9168e05f8e04b38f5a6c84398c519742a51e1fe7224148",
+ "body_root": "0x57fbc20d80ae3e3c6c837c98baa7885d9c7e016530625d231a58bb8bdeab2404"
+ },
+ "finality_branch": [
+ "0x0001000000000000000000000000000000000000000000000000000000000000",
+ "0x10c726fac935bf9657cc7476d3cfa7bedec5983dcfb59e8a7df6d0a619e108d7",
+ "0x5e8a7e8804797705fbca4f2c30646ebea1e4a0da5d001a3455de0301a915e96c",
+ "0x067ba41a97d3634c7d6bcc5944487e35053644ce1cfe11868d27a97eadc6c012",
+ "0x995a48c6e5f01d6c345135705cdcfccd7e83d6f0f7d506a7ba9a2578a6ccee3a",
+ "0xaebdc6f600a419d1cdb7889921c93df7381e8dd934a31a448f31a25d6c2a83fa"
+ ],
+ "block_roots_root": "0x2fc4d44f8cea295d336a7f3341ea3eaa258533c917c1de3123fb605a5ed938d7",
+ "block_roots_branch": [
+ "0xa94746addf566d1f83eaf46d2a4b78998b22ad7ae9a12b775d23cf8c50acb4ae",
+ "0x32a148bfd7e07c2ac056bcab18839d6a21227f3a9d96131c8462183dc42006d7",
+ "0x3ebcc8ac089dee384fab2122309f5aa64209da83dab2ba9985dcf8e146ed83eb",
+ "0x6588dcf3d33e1f7697a2d964e68c47df637e026a58b094335a133a726c0a063b",
+ "0x5ba1e52a00ea3dd089557faa97876f3222ee916ffa94437e0cb43c95ddddd0d3"
+ ]
+}
\ No newline at end of file
diff --git a/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/next-sync-committee-update.json b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/next-sync-committee-update.json
new file mode 100755
index 0000000000000..4937f66ff0cd2
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/next-sync-committee-update.json
@@ -0,0 +1,563 @@
+{
+ "attested_header": {
+ "slot": 8259,
+ "proposer_index": 0,
+ "parent_root": "0x877e9b66f04549e4c924ea6aeb4a33bb7d773b341845dd690f5d738145002f86",
+ "state_root": "0x724b67fde7de071886d930c5c10560896820cff056029f8519d74599ba244e60",
+ "body_root": "0x6a3cf016e2be639d86994dc76361195a9aec0a67a18978dbb512765adef02297"
+ },
+ "sync_aggregate": {
+ "sync_committee_bits": "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+ "sync_committee_signature": "0xb817cf06ac29aa973099421c61a7d6bf91a2d04b825c4f860a999d59ccb78e4e53e604f6309f08c7ded14e9170e837150ad3a9994eb1c37d334bc03e35ddf9eadef503027485b339f16bcd5b79715a6bbd58bd823429a1a35d1be2d44a1152f1"
+ },
+ "signature_slot": 8260,
+ "next_sync_committee_update": {
+ "next_sync_committee": {
+ "pubkeys": [
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
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+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
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+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
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+ ],
+ "aggregate_pubkey": "0x8fbd66eeec2ff69ef0b836f04b1d67d88bcd4dfd495061964ad757c77abe822a39fa1cd8ed0d4d9bc9276cea73fd745c"
+ },
+ "next_sync_committee_branch": [
+ "0x3ade38d498a062b50880a9409e1ca3a7fd4315d91eeb3bb83e56ac6bfe8d6a59",
+ "0xcdc4165a88ae33b52f88df39f4620b936e5d23296fb670b22c04774293e8c4a9",
+ "0x067ba41a97d3634c7d6bcc5944487e35053644ce1cfe11868d27a97eadc6c012",
+ "0x995a48c6e5f01d6c345135705cdcfccd7e83d6f0f7d506a7ba9a2578a6ccee3a",
+ "0xaebdc6f600a419d1cdb7889921c93df7381e8dd934a31a448f31a25d6c2a83fa"
+ ]
+ },
+ "finalized_header": {
+ "slot": 8192,
+ "proposer_index": 5,
+ "parent_root": "0x15889c6c548ed2859150a8d46043ce2711f66a4b4bc61cc0185407d84304ad5b",
+ "state_root": "0x47f766a70bb799a34f9168e05f8e04b38f5a6c84398c519742a51e1fe7224148",
+ "body_root": "0x57fbc20d80ae3e3c6c837c98baa7885d9c7e016530625d231a58bb8bdeab2404"
+ },
+ "finality_branch": [
+ "0x0001000000000000000000000000000000000000000000000000000000000000",
+ "0x10c726fac935bf9657cc7476d3cfa7bedec5983dcfb59e8a7df6d0a619e108d7",
+ "0x5e8a7e8804797705fbca4f2c30646ebea1e4a0da5d001a3455de0301a915e96c",
+ "0x067ba41a97d3634c7d6bcc5944487e35053644ce1cfe11868d27a97eadc6c012",
+ "0x995a48c6e5f01d6c345135705cdcfccd7e83d6f0f7d506a7ba9a2578a6ccee3a",
+ "0xaebdc6f600a419d1cdb7889921c93df7381e8dd934a31a448f31a25d6c2a83fa"
+ ],
+ "block_roots_root": "0x2fc4d44f8cea295d336a7f3341ea3eaa258533c917c1de3123fb605a5ed938d7",
+ "block_roots_branch": [
+ "0xa94746addf566d1f83eaf46d2a4b78998b22ad7ae9a12b775d23cf8c50acb4ae",
+ "0x32a148bfd7e07c2ac056bcab18839d6a21227f3a9d96131c8462183dc42006d7",
+ "0x3ebcc8ac089dee384fab2122309f5aa64209da83dab2ba9985dcf8e146ed83eb",
+ "0x6588dcf3d33e1f7697a2d964e68c47df637e026a58b094335a133a726c0a063b",
+ "0x5ba1e52a00ea3dd089557faa97876f3222ee916ffa94437e0cb43c95ddddd0d3"
+ ]
+}
\ No newline at end of file
diff --git a/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/sync-committee-update.json b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/sync-committee-update.json
new file mode 100755
index 0000000000000..6bf20355c7a34
--- /dev/null
+++ b/bridges/snowbridge/pallets/ethereum-client/tests/fixtures/sync-committee-update.json
@@ -0,0 +1,563 @@
+{
+ "attested_header": {
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+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b",
+ "0xab0bdda0f85f842f431beaccf1250bf1fd7ba51b4100fd64364b6401fda85bb0069b3e715b58819684e7fc0b10a72a34",
+ "0xa8d4c7c27795a725961317ef5953a7032ed6d83739db8b0e8a72353d1b8b4439427f7efa2c89caa03cc9f28f8cbab8ac",
+ "0x9977f1c8b731a8d5558146bfb86caea26434f3c5878b589bf280a42c9159e700e9df0e4086296c20b011d2e78c27d373",
+ "0xb89bebc699769726a318c8e9971bd3171297c61aea4a6578a7a4f94b547dcba5bac16a89108b6b6a1fe3695d1a874a0b",
+ "0x81283b7a20e1ca460ebd9bbd77005d557370cabb1f9a44f530c4c4c66230f675f8df8b4c2818851aa7d77a80ca5a4a5e",
+ "0x88c141df77cd9d8d7a71a75c826c41a9c9f03c6ee1b180f3e7852f6a280099ded351b58d66e653af8e42816a4d8f532e",
+ "0xa99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c",
+ "0xa3a32b0f8b4ddb83f1a0a853d81dd725dfe577d4f4c3db8ece52ce2b026eca84815c1a7e8e92a4de3d755733bf7e4a9b"
+ ],
+ "aggregate_pubkey": "0x8fbd66eeec2ff69ef0b836f04b1d67d88bcd4dfd495061964ad757c77abe822a39fa1cd8ed0d4d9bc9276cea73fd745c"
+ },
+ "next_sync_committee_branch": [
+ "0x3ade38d498a062b50880a9409e1ca3a7fd4315d91eeb3bb83e56ac6bfe8d6a59",
+ "0xfd1e5ff5d4a15081efe3ff17857b1f95984c9a271b1c41c2f81f43e60c2cc541",
+ "0xe1c97f93bb7352d395d1ff8ee29881572cb7eb5d71634783701171dcd30cd93d",
+ "0x77fa2170ddbd89b15dae02f2e6cf9f76c8e00d1c4217320acffbe01576d0da61",
+ "0xe97288e0627219087a024078d69445f34f0583a6350a7c3c40c39fd1fa6f8d68"
+ ]
+ },
+ "finalized_header": {
+ "slot": 64,
+ "proposer_index": 4,
+ "parent_root": "0x0f7bc2353778c14c7f6dba0fc5fe6eec87228b0d3a5447b61dce67b4d9338de3",
+ "state_root": "0xfeb990de653ce494c0a263f820eaf05a9300dbdc30cb6065ede602827bfccde4",
+ "body_root": "0xf5235cd8c24f2695fc5b7989926305c10ad8cf5a87d62a739f675f5543df2ec1"
+ },
+ "finality_branch": [
+ "0x0200000000000000000000000000000000000000000000000000000000000000",
+ "0x10c726fac935bf9657cc7476d3cfa7bedec5983dcfb59e8a7df6d0a619e108d7",
+ "0x98e9116c6bb7f20de18800dc63e73e689d06d6a47d35b5e2b32cf093d475840d",
+ "0xe1c97f93bb7352d395d1ff8ee29881572cb7eb5d71634783701171dcd30cd93d",
+ "0x77fa2170ddbd89b15dae02f2e6cf9f76c8e00d1c4217320acffbe01576d0da61",
+ "0xe97288e0627219087a024078d69445f34f0583a6350a7c3c40c39fd1fa6f8d68"
+ ],
+ "block_roots_root": "0x6fcdfd1c3fb1bdd421fe59dddfff3855b5ed5e30373887991a0059d019ad12bc",
+ "block_roots_branch": [
+ "0x94b59531f172bc24f914bc0c10104ccb158676850f8cc3b47b6ddb7f096ebdd7",
+ "0x22470ed9155a938587d44d5fa19217c0f939d8862e504e67cd8cb4d1b960795e",
+ "0xfeec3ef1a68f93849e71e84f90b99602cccc31868137b6887ca8244a4b979e8e",
+ "0x5340ad5877c72dca689ca04bc8fedb78d67a4801d99887937edd8ccd29f87e82",
+ "0xf5ff4b0c6190005015889879568f5f0d9c40134c7ec4ffdda47950dcd92395ad"
+ ]
+}
\ No newline at end of file
diff --git a/bridges/snowbridge/pallets/inbound-queue/Cargo.toml b/bridges/snowbridge/pallets/inbound-queue/Cargo.toml
new file mode 100644
index 0000000000000..dc853dc0a51db
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/Cargo.toml
@@ -0,0 +1,102 @@
+[package]
+name = "snowbridge-pallet-inbound-queue"
+description = "Snowbridge Inbound Queue Pallet"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+serde = { version = "1.0.195", optional = true }
+codec = { version = "3.6.1", package = "parity-scale-codec", default-features = false, features = ["derive"] }
+scale-info = { version = "2.9.0", default-features = false, features = ["derive"] }
+hex-literal = { version = "0.4.1", optional = true }
+log = { version = "0.4.20", default-features = false }
+alloy-primitives = { version = "0.4.2", default-features = false, features = ["rlp"] }
+alloy-sol-types = { version = "0.4.2", default-features = false }
+alloy-rlp = { version = "0.3.3", default-features = false, features = ["derive"] }
+num-traits = { version = "0.2.16", default-features = false }
+
+frame-benchmarking = { path = "../../../../substrate/frame/benchmarking", default-features = false, optional = true }
+frame-support = { path = "../../../../substrate/frame/support", default-features = false }
+frame-system = { path = "../../../../substrate/frame/system", default-features = false }
+pallet-balances = { path = "../../../../substrate/frame/balances", default-features = false }
+sp-core = { path = "../../../../substrate/primitives/core", default-features = false }
+sp-std = { path = "../../../../substrate/primitives/std", default-features = false }
+sp-io = { path = "../../../../substrate/primitives/io", default-features = false }
+sp-runtime = { path = "../../../../substrate/primitives/runtime", default-features = false }
+
+xcm = { package = "staging-xcm", path = "../../../../polkadot/xcm", default-features = false }
+xcm-builder = { package = "staging-xcm-builder", path = "../../../../polkadot/xcm/xcm-builder", default-features = false }
+xcm-executor = { package = "staging-xcm-executor", path = "../../../../polkadot/xcm/xcm-executor", default-features = false }
+
+snowbridge-core = { path = "../../primitives/core", default-features = false }
+snowbridge-ethereum = { path = "../../primitives/ethereum", default-features = false }
+snowbridge-router-primitives = { path = "../../primitives/router", default-features = false }
+snowbridge-beacon-primitives = { path = "../../primitives/beacon", default-features = false }
+snowbridge-pallet-inbound-queue-fixtures = { path = "./fixtures", default-features = false, optional = true }
+
+[dev-dependencies]
+frame-benchmarking = { path = "../../../../substrate/frame/benchmarking" }
+sp-keyring = { path = "../../../../substrate/primitives/keyring" }
+snowbridge-pallet-ethereum-client = { path = "../ethereum-client" }
+hex-literal = { version = "0.4.1" }
+
+[features]
+default = ["std"]
+std = [
+ "alloy-primitives/std",
+ "alloy-rlp/std",
+ "alloy-sol-types/std",
+ "codec/std",
+ "frame-benchmarking/std",
+ "frame-support/std",
+ "frame-system/std",
+ "log/std",
+ "num-traits/std",
+ "pallet-balances/std",
+ "scale-info/std",
+ "serde",
+ "snowbridge-beacon-primitives/std",
+ "snowbridge-core/std",
+ "snowbridge-ethereum/std",
+ "snowbridge-pallet-inbound-queue-fixtures?/std",
+ "snowbridge-router-primitives/std",
+ "sp-core/std",
+ "sp-io/std",
+ "sp-runtime/std",
+ "sp-std/std",
+ "xcm-builder/std",
+ "xcm-executor/std",
+ "xcm/std",
+]
+runtime-benchmarks = [
+ "frame-benchmarking",
+ "frame-benchmarking/runtime-benchmarks",
+ "frame-support/runtime-benchmarks",
+ "frame-system/runtime-benchmarks",
+ "hex-literal",
+ "pallet-balances/runtime-benchmarks",
+ "snowbridge-core/runtime-benchmarks",
+ "snowbridge-pallet-ethereum-client/runtime-benchmarks",
+ "snowbridge-pallet-inbound-queue-fixtures/runtime-benchmarks",
+ "snowbridge-router-primitives/runtime-benchmarks",
+ "sp-runtime/runtime-benchmarks",
+ "xcm-builder/runtime-benchmarks",
+ "xcm-executor/runtime-benchmarks",
+]
+try-runtime = [
+ "frame-support/try-runtime",
+ "frame-system/try-runtime",
+ "pallet-balances/try-runtime",
+ "snowbridge-pallet-ethereum-client/try-runtime",
+ "sp-runtime/try-runtime",
+]
diff --git a/bridges/snowbridge/pallets/inbound-queue/README.md b/bridges/snowbridge/pallets/inbound-queue/README.md
new file mode 100644
index 0000000000000..cc2f7c636e68b
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/README.md
@@ -0,0 +1,3 @@
+# Ethereum Inbound Queue
+
+Reads messages from Ethereum and sends it to intended destination on Polkadot, using XCM.
diff --git a/bridges/snowbridge/pallets/inbound-queue/fixtures/Cargo.toml b/bridges/snowbridge/pallets/inbound-queue/fixtures/Cargo.toml
new file mode 100644
index 0000000000000..61f1421e05677
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/fixtures/Cargo.toml
@@ -0,0 +1,44 @@
+[package]
+name = "snowbridge-pallet-inbound-queue-fixtures"
+description = "Snowbridge Inbound Queue Test Fixtures"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+hex-literal = { version = "0.4.1" }
+sp-core = { path = "../../../../../substrate/primitives/core", default-features = false }
+sp-std = { path = "../../../../../substrate/primitives/std", default-features = false }
+frame-benchmarking = { path = "../../../../../substrate/frame/benchmarking", default-features = false, optional = true }
+frame-support = { path = "../../../../../substrate/frame/support", default-features = false }
+frame-system = { path = "../../../../../substrate/frame/system", default-features = false }
+snowbridge-core = { path = "../../../primitives/core", default-features = false }
+snowbridge-beacon-primitives = { path = "../../../primitives/beacon", default-features = false }
+
+[features]
+default = ["std"]
+std = [
+ "frame-benchmarking/std",
+ "frame-support/std",
+ "frame-system/std",
+ "snowbridge-beacon-primitives/std",
+ "snowbridge-core/std",
+ "sp-core/std",
+ "sp-std/std",
+]
+runtime-benchmarks = [
+ "frame-benchmarking",
+ "frame-benchmarking/runtime-benchmarks",
+ "frame-support/runtime-benchmarks",
+ "frame-system/runtime-benchmarks",
+ "snowbridge-core/runtime-benchmarks",
+]
diff --git a/bridges/snowbridge/pallets/inbound-queue/fixtures/src/lib.rs b/bridges/snowbridge/pallets/inbound-queue/fixtures/src/lib.rs
new file mode 100644
index 0000000000000..4f3445b290536
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/fixtures/src/lib.rs
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use snowbridge_beacon_primitives::CompactExecutionHeader;
+use snowbridge_core::inbound::Message;
+use sp_core::RuntimeDebug;
+
+pub mod register_token;
+pub mod register_token_with_insufficient_fee;
+pub mod send_token;
+pub mod send_token_to_penpal;
+
+#[derive(Clone, RuntimeDebug)]
+pub struct InboundQueueFixture {
+ pub execution_header: CompactExecutionHeader,
+ pub message: Message,
+}
diff --git a/bridges/snowbridge/pallets/inbound-queue/fixtures/src/register_token.rs b/bridges/snowbridge/pallets/inbound-queue/fixtures/src/register_token.rs
new file mode 100644
index 0000000000000..b8d510e6b13d0
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/fixtures/src/register_token.rs
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+// Generated, do not edit!
+// See ethereum client README.md for instructions to generate
+
+use crate::InboundQueueFixture;
+use hex_literal::hex;
+use snowbridge_beacon_primitives::CompactExecutionHeader;
+use snowbridge_core::inbound::{Log, Message, Proof};
+use sp_std::vec;
+
+pub fn make_register_token_message() -> InboundQueueFixture {
+ InboundQueueFixture {
+ execution_header: CompactExecutionHeader{
+ parent_hash: hex!("d5de3dd02c96dbdc8aaa4db70a1e9fdab5ded5f4d52f18798acd56a3d37d1ad6").into(),
+ block_number: 772,
+ state_root: hex!("49cba2a79b23ad74cefe80c3a96699825d1cda0f75bfceb587c5549211c86245").into(),
+ receipts_root: hex!("7b1f61b9714c080ef0be014e01657a15f45f0304b477beebc7ca5596c8033095").into(),
+ },
+ message: Message {
+ event_log: Log {
+ address: hex!("eda338e4dc46038493b885327842fd3e301cab39").into(),
+ topics: vec![
+ hex!("7153f9357c8ea496bba60bf82e67143e27b64462b49041f8e689e1b05728f84f").into(),
+ hex!("c173fac324158e77fb5840738a1a541f633cbec8884c6a601c567d2b376a0539").into(),
+ hex!("5f7060e971b0dc81e63f0aa41831091847d97c1a4693ac450cc128c7214e65e0").into(),
+ ],
+ data: hex!("00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002e00a736aa00000000000087d1f7fdfee7f651fabc8bfcb6e086c278b77a7d00e40b54020000000000000000000000000000000000000000000000000000000000").into(),
+ },
+ proof: Proof {
+ block_hash: hex!("392182a385b3a417e8ddea8b252953ee81e6ec0fb09d9056c96c89fbeb703a3f").into(),
+ tx_index: 0,
+ data: (vec![
+ hex!("7b1f61b9714c080ef0be014e01657a15f45f0304b477beebc7ca5596c8033095").to_vec(),
+ ], vec![
+ hex!("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").to_vec(),
+ ]),
+ },
+ },
+ }
+}
diff --git a/bridges/snowbridge/pallets/inbound-queue/fixtures/src/register_token_with_insufficient_fee.rs b/bridges/snowbridge/pallets/inbound-queue/fixtures/src/register_token_with_insufficient_fee.rs
new file mode 100644
index 0000000000000..82ff2283101e3
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/fixtures/src/register_token_with_insufficient_fee.rs
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+// Generated, do not edit!
+// See ethereum client README.md for instructions to generate
+
+use crate::InboundQueueFixture;
+use hex_literal::hex;
+use snowbridge_beacon_primitives::CompactExecutionHeader;
+use snowbridge_core::inbound::{Log, Message, Proof};
+use sp_std::vec;
+
+pub fn make_register_token_with_infufficient_fee_message() -> InboundQueueFixture {
+ InboundQueueFixture {
+ execution_header: CompactExecutionHeader{
+ parent_hash: hex!("998e81dc6df788a920b67e058fbde0dc3f4ec6f11f3f7cd8c3148e6d99584885").into(),
+ block_number: 338,
+ state_root: hex!("30ef9c9db2609de19bbc6c3cbeddac889e82bbcb2db20304b3abdfbdc7134cbf").into(),
+ receipts_root: hex!("969335c3132a007cb8b5886a3c23dd8da63cba04aeda29857a86ee1c13dae782").into(),
+ },
+ message: Message {
+ event_log: Log {
+ address: hex!("eda338e4dc46038493b885327842fd3e301cab39").into(),
+ topics: vec![
+ hex!("7153f9357c8ea496bba60bf82e67143e27b64462b49041f8e689e1b05728f84f").into(),
+ hex!("c173fac324158e77fb5840738a1a541f633cbec8884c6a601c567d2b376a0539").into(),
+ hex!("5f7060e971b0dc81e63f0aa41831091847d97c1a4693ac450cc128c7214e65e0").into(),
+ ],
+ // insufficient xcm fee as only 1000(hex:e803)
+ data: hex!("00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002e00a736aa00000000000087d1f7fdfee7f651fabc8bfcb6e086c278b77a7de8030000000000000000000000000000000000000000000000000000000000000000").into(),
+ },
+ proof: Proof {
+ block_hash: hex!("5976f37f0e331d194eb331df74355ef47565c3a1bd11c95a45b681f6917085c1").into(),
+ tx_index: 0,
+ data: (vec![
+ hex!("969335c3132a007cb8b5886a3c23dd8da63cba04aeda29857a86ee1c13dae782").to_vec(),
+ ], vec![
+ hex!("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").to_vec(),
+ ]),
+ },
+ },
+ }
+}
diff --git a/bridges/snowbridge/pallets/inbound-queue/fixtures/src/send_token.rs b/bridges/snowbridge/pallets/inbound-queue/fixtures/src/send_token.rs
new file mode 100755
index 0000000000000..2562217100eaf
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/fixtures/src/send_token.rs
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+// Generated, do not edit!
+// See ethereum client README.md for instructions to generate
+
+use crate::InboundQueueFixture;
+use hex_literal::hex;
+use snowbridge_beacon_primitives::CompactExecutionHeader;
+use snowbridge_core::inbound::{Log, Message, Proof};
+use sp_std::vec;
+
+pub fn make_send_token_message() -> InboundQueueFixture {
+ InboundQueueFixture {
+ execution_header: CompactExecutionHeader{
+ parent_hash: hex!("920cecde45d428e3a77590b70f8533cf4c2c36917b8a7b74c915e7fa3dae7075").into(),
+ block_number: 1148,
+ state_root: hex!("bbc6ba0e9940d641afecbbaf3f97abd2b9ffaf2f6bd4879c4a71e659eca89978").into(),
+ receipts_root: hex!("9f3340b57eddc1f86de30776db57faeca80269a3dd459031741988dec240ce34").into(),
+ },
+ message: Message {
+ event_log: Log {
+ address: hex!("eda338e4dc46038493b885327842fd3e301cab39").into(),
+ topics: vec![
+ hex!("7153f9357c8ea496bba60bf82e67143e27b64462b49041f8e689e1b05728f84f").into(),
+ hex!("c173fac324158e77fb5840738a1a541f633cbec8884c6a601c567d2b376a0539").into(),
+ hex!("c8eaf22f2cb07bac4679df0a660e7115ed87fcfd4e32ac269f6540265bbbd26f").into(),
+ ],
+ data: hex!("00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000005f00a736aa00000000000187d1f7fdfee7f651fabc8bfcb6e086c278b77a7d008eaf04151687736326c9fea17e25fc5287613693c912909cb226aa4794f26a48000064a7b3b6e00d000000000000000000e40b5402000000000000000000000000").into(),
+ },
+ proof: Proof {
+ block_hash: hex!("d3c155f123c3cbff22f3d7869283e02179edea9ffa7a5e9a4d8414c2a6b8991f").into(),
+ tx_index: 0,
+ data: (vec![
+ hex!("9f3340b57eddc1f86de30776db57faeca80269a3dd459031741988dec240ce34").to_vec(),
+ ], vec![
+ hex!("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").to_vec(),
+ ]),
+ },
+ },
+ }
+}
diff --git a/bridges/snowbridge/pallets/inbound-queue/fixtures/src/send_token_to_penpal.rs b/bridges/snowbridge/pallets/inbound-queue/fixtures/src/send_token_to_penpal.rs
new file mode 100755
index 0000000000000..86ba3f7ecc18f
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/fixtures/src/send_token_to_penpal.rs
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+// Generated, do not edit!
+// See ethereum client README.md for instructions to generate
+
+use crate::InboundQueueFixture;
+use hex_literal::hex;
+use snowbridge_beacon_primitives::CompactExecutionHeader;
+use snowbridge_core::inbound::{Log, Message, Proof};
+use sp_std::vec;
+
+pub fn make_send_token_to_penpal_message() -> InboundQueueFixture {
+ InboundQueueFixture {
+ execution_header: CompactExecutionHeader{
+ parent_hash: hex!("434148c290f27ee4be34fa344cd7608bf942a4541b27c9d868439631b3f37a8d").into(),
+ block_number: 816,
+ state_root: hex!("595e643f9095870e30e85e2bbef7d9e3a39df5aae839d26cf455d3dbf3e5a539").into(),
+ receipts_root: hex!("c40ab2c4abcfdea4f42195e0ad822806e5423108021c3b542646c7193319a6c1").into(),
+ },
+ message: Message {
+ event_log: Log {
+ address: hex!("eda338e4dc46038493b885327842fd3e301cab39").into(),
+ topics: vec![
+ hex!("7153f9357c8ea496bba60bf82e67143e27b64462b49041f8e689e1b05728f84f").into(),
+ hex!("c173fac324158e77fb5840738a1a541f633cbec8884c6a601c567d2b376a0539").into(),
+ hex!("c8eaf22f2cb07bac4679df0a660e7115ed87fcfd4e32ac269f6540265bbbd26f").into(),
+ ],
+ data: hex!("00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000007300a736aa00000000000187d1f7fdfee7f651fabc8bfcb6e086c278b77a7d01d00700001cbd2d43530a44705ad088af313e18f80b53ef16b36177cd4b77b846f2a5f07c00286bee000000000000000000000000000064a7b3b6e00d000000000000000000e40b5402000000000000000000000000000000000000000000000000").into(),
+ },
+ proof: Proof {
+ block_hash: hex!("6c49a7f8fb2014a23e58a949c95a6743174589a7ce83434b073dc05dec402f3d").into(),
+ tx_index: 0,
+ data: (vec![
+ hex!("c40ab2c4abcfdea4f42195e0ad822806e5423108021c3b542646c7193319a6c1").to_vec(),
+ ], vec![
+ hex!("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").to_vec(),
+ ]),
+ },
+ },
+ }
+}
diff --git a/bridges/snowbridge/pallets/inbound-queue/src/benchmarking/mod.rs b/bridges/snowbridge/pallets/inbound-queue/src/benchmarking/mod.rs
new file mode 100644
index 0000000000000..931befa2ac678
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/src/benchmarking/mod.rs
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use super::*;
+
+use crate::Pallet as InboundQueue;
+use frame_benchmarking::v2::*;
+use frame_support::assert_ok;
+use frame_system::RawOrigin;
+use snowbridge_pallet_inbound_queue_fixtures::register_token::make_register_token_message;
+
+#[benchmarks]
+mod benchmarks {
+ use super::*;
+
+ #[benchmark]
+ fn submit() -> Result<(), BenchmarkError> {
+ let caller: T::AccountId = whitelisted_caller();
+
+ let create_message = make_register_token_message();
+
+ T::Helper::initialize_storage(
+ create_message.message.proof.block_hash,
+ create_message.execution_header,
+ );
+
+ let sovereign_account = sibling_sovereign_account::<T>(1000u32.into());
+
+ let minimum_balance = T::Token::minimum_balance();
+
+ // So that the receiving account exists
+ assert_ok!(T::Token::mint_into(&caller, minimum_balance));
+ // Fund the sovereign account (parachain sovereign account) so it can transfer a reward
+ // fee to the caller account
+ assert_ok!(T::Token::mint_into(
+ &sovereign_account,
+ 3_000_000_000_000u128
+ .try_into()
+ .unwrap_or_else(|_| panic!("unable to cast sovereign account balance")),
+ ));
+
+ #[block]
+ {
+ assert_ok!(InboundQueue::<T>::submit(
+ RawOrigin::Signed(caller.clone()).into(),
+ create_message.message,
+ ));
+ }
+
+ Ok(())
+ }
+
+ impl_benchmark_test_suite!(InboundQueue, crate::mock::new_tester(), crate::mock::Test);
+}
diff --git a/bridges/snowbridge/pallets/inbound-queue/src/envelope.rs b/bridges/snowbridge/pallets/inbound-queue/src/envelope.rs
new file mode 100644
index 0000000000000..826d535c2cb92
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/src/envelope.rs
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use snowbridge_core::{inbound::Log, ChannelId};
+
+use sp_core::{RuntimeDebug, H160, H256};
+use sp_std::{convert::TryFrom, prelude::*};
+
+use alloy_primitives::B256;
+use alloy_sol_types::{sol, SolEvent};
+
+sol! {
+ event OutboundMessageAccepted(bytes32 indexed channel_id, uint64 nonce, bytes32 indexed message_id, bytes payload);
+}
+
+/// An inbound message that has had its outer envelope decoded.
+#[derive(Clone, RuntimeDebug)]
+pub struct Envelope {
+ /// The address of the outbound queue on Ethereum that emitted this message as an event log
+ pub gateway: H160,
+ /// The message Channel
+ pub channel_id: ChannelId,
+ /// A nonce for enforcing replay protection and ordering.
+ pub nonce: u64,
+ /// An id for tracing the message on its route (has no role in bridge consensus)
+ pub message_id: H256,
+ /// The inner payload generated from the source application.
+ pub payload: Vec<u8>,
+}
+
+#[derive(Copy, Clone, RuntimeDebug)]
+pub struct EnvelopeDecodeError;
+
+impl TryFrom<&Log> for Envelope {
+ type Error = EnvelopeDecodeError;
+
+ fn try_from(log: &Log) -> Result<Self, Self::Error> {
+ let topics: Vec<B256> = log.topics.iter().map(|x| B256::from_slice(x.as_ref())).collect();
+
+ let event = OutboundMessageAccepted::decode_log(topics, &log.data, true)
+ .map_err(|_| EnvelopeDecodeError)?;
+
+ Ok(Self {
+ gateway: log.address,
+ channel_id: ChannelId::from(event.channel_id.as_ref()),
+ nonce: event.nonce,
+ message_id: H256::from(event.message_id.as_ref()),
+ payload: event.payload,
+ })
+ }
+}
diff --git a/bridges/snowbridge/pallets/inbound-queue/src/lib.rs b/bridges/snowbridge/pallets/inbound-queue/src/lib.rs
new file mode 100644
index 0000000000000..bdc21fcf03702
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/src/lib.rs
@@ -0,0 +1,372 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Inbound Queue
+//!
+//! # Overview
+//!
+//! Receives messages emitted by the Gateway contract on Ethereum, whereupon they are verified,
+//! translated to XCM, and finally sent to their final destination parachain.
+//!
+//! The message relayers are rewarded using native currency from the sovereign account of the
+//! destination parachain.
+//!
+//! # Extrinsics
+//!
+//! ## Governance
+//!
+//! * [`Call::set_operating_mode`]: Set the operating mode of the pallet. Can be used to disable
+//! processing of inbound messages.
+//!
+//! ## Message Submission
+//!
+//! * [`Call::submit`]: Submit a message for verification and dispatch the final destination
+//! parachain.
+#![cfg_attr(not(feature = "std"), no_std)]
+
+mod envelope;
+
+#[cfg(feature = "runtime-benchmarks")]
+mod benchmarking;
+
+#[cfg(feature = "runtime-benchmarks")]
+use snowbridge_beacon_primitives::CompactExecutionHeader;
+
+pub mod weights;
+
+#[cfg(test)]
+mod mock;
+
+#[cfg(test)]
+mod test;
+
+use codec::{Decode, DecodeAll, Encode};
+use envelope::Envelope;
+use frame_support::{
+ traits::{
+ fungible::{Inspect, Mutate},
+ tokens::Preservation,
+ },
+ weights::WeightToFee,
+ PalletError,
+};
+use frame_system::ensure_signed;
+use scale_info::TypeInfo;
+use sp_core::{H160, H256};
+use sp_std::{convert::TryFrom, vec};
+use xcm::prelude::{
+ send_xcm, Instruction::SetTopic, Junction::*, Location, SendError as XcmpSendError, SendXcm,
+ Xcm, XcmContext, XcmHash,
+};
+use xcm_executor::traits::TransactAsset;
+
+use snowbridge_core::{
+ inbound::{Message, VerificationError, Verifier},
+ sibling_sovereign_account, BasicOperatingMode, Channel, ChannelId, ParaId, PricingParameters,
+ StaticLookup,
+};
+use snowbridge_router_primitives::{
+ inbound,
+ inbound::{ConvertMessage, ConvertMessageError},
+};
+use sp_runtime::{traits::Saturating, SaturatedConversion, TokenError};
+
+pub use weights::WeightInfo;
+
+type BalanceOf<T> =
+ <<T as pallet::Config>::Token as Inspect<<T as frame_system::Config>::AccountId>>::Balance;
+
+pub use pallet::*;
+
+pub const LOG_TARGET: &str = "snowbridge-inbound-queue";
+
+#[frame_support::pallet]
+pub mod pallet {
+ use super::*;
+
+ use frame_support::pallet_prelude::*;
+ use frame_system::pallet_prelude::*;
+
+ #[pallet::pallet]
+ pub struct Pallet<T>(_);
+
+ #[cfg(feature = "runtime-benchmarks")]
+ pub trait BenchmarkHelper<T> {
+ fn initialize_storage(block_hash: H256, header: CompactExecutionHeader);
+ }
+
+ #[pallet::config]
+ pub trait Config: frame_system::Config {
+ type RuntimeEvent: From<Event<Self>> + IsType<<Self as frame_system::Config>::RuntimeEvent>;
+
+ /// The verifier for inbound messages from Ethereum
+ type Verifier: Verifier;
+
+ /// Message relayers are rewarded with this asset
+ type Token: Mutate<Self::AccountId> + Inspect<Self::AccountId>;
+
+ /// XCM message sender
+ type XcmSender: SendXcm;
+
+ // Address of the Gateway contract
+ #[pallet::constant]
+ type GatewayAddress: Get<H160>;
+
+ /// Convert inbound message to XCM
+ type MessageConverter: ConvertMessage<
+ AccountId = Self::AccountId,
+ Balance = BalanceOf<Self>,
+ >;
+
+ /// Lookup a channel descriptor
+ type ChannelLookup: StaticLookup<Source = ChannelId, Target = Channel>;
+
+ /// Lookup pricing parameters
+ type PricingParameters: Get<PricingParameters<BalanceOf<Self>>>;
+
+ type WeightInfo: WeightInfo;
+
+ #[cfg(feature = "runtime-benchmarks")]
+ type Helper: BenchmarkHelper<Self>;
+
+ /// Convert a weight value into deductible balance type.
+ type WeightToFee: WeightToFee<Balance = BalanceOf<Self>>;
+
+ /// Convert a length value into deductible balance type
+ type LengthToFee: WeightToFee<Balance = BalanceOf<Self>>;
+
+ /// The upper limit here only used to estimate delivery cost
+ type MaxMessageSize: Get<u32>;
+
+ /// To withdraw and deposit an asset.
+ type AssetTransactor: TransactAsset;
+ }
+
+ #[pallet::hooks]
+ impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {}
+
+ #[pallet::event]
+ #[pallet::generate_deposit(pub(super) fn deposit_event)]
+ pub enum Event<T: Config> {
+ /// A message was received from Ethereum
+ MessageReceived {
+ /// The message channel
+ channel_id: ChannelId,
+ /// The message nonce
+ nonce: u64,
+ /// ID of the XCM message which was forwarded to the final destination parachain
+ message_id: [u8; 32],
+ /// Fee burned for the teleport
+ fee_burned: BalanceOf<T>,
+ },
+ /// Set OperatingMode
+ OperatingModeChanged { mode: BasicOperatingMode },
+ }
+
+ #[pallet::error]
+ pub enum Error<T> {
+ /// Message came from an invalid outbound channel on the Ethereum side.
+ InvalidGateway,
+ /// Message has an invalid envelope.
+ InvalidEnvelope,
+ /// Message has an unexpected nonce.
+ InvalidNonce,
+ /// Message has an invalid payload.
+ InvalidPayload,
+ /// Message channel is invalid
+ InvalidChannel,
+ /// The max nonce for the type has been reached
+ MaxNonceReached,
+ /// Cannot convert location
+ InvalidAccountConversion,
+ /// Pallet is halted
+ Halted,
+ /// Message verification error,
+ Verification(VerificationError),
+ /// XCMP send failure
+ Send(SendError),
+ /// Message conversion error
+ ConvertMessage(ConvertMessageError),
+ }
+
+ #[derive(Clone, Encode, Decode, Eq, PartialEq, Debug, TypeInfo, PalletError)]
+ pub enum SendError {
+ NotApplicable,
+ NotRoutable,
+ Transport,
+ DestinationUnsupported,
+ ExceedsMaxMessageSize,
+ MissingArgument,
+ Fees,
+ }
+
+ impl<T: Config> From<XcmpSendError> for Error<T> {
+ fn from(e: XcmpSendError) -> Self {
+ match e {
+ XcmpSendError::NotApplicable => Error::<T>::Send(SendError::NotApplicable),
+ XcmpSendError::Unroutable => Error::<T>::Send(SendError::NotRoutable),
+ XcmpSendError::Transport(_) => Error::<T>::Send(SendError::Transport),
+ XcmpSendError::DestinationUnsupported =>
+ Error::<T>::Send(SendError::DestinationUnsupported),
+ XcmpSendError::ExceedsMaxMessageSize =>
+ Error::<T>::Send(SendError::ExceedsMaxMessageSize),
+ XcmpSendError::MissingArgument => Error::<T>::Send(SendError::MissingArgument),
+ XcmpSendError::Fees => Error::<T>::Send(SendError::Fees),
+ }
+ }
+ }
+
+ /// The current nonce for each channel
+ #[pallet::storage]
+ pub type Nonce<T: Config> = StorageMap<_, Twox64Concat, ChannelId, u64, ValueQuery>;
+
+ /// The current operating mode of the pallet.
+ #[pallet::storage]
+ #[pallet::getter(fn operating_mode)]
+ pub type OperatingMode<T: Config> = StorageValue<_, BasicOperatingMode, ValueQuery>;
+
+ #[pallet::call]
+ impl<T: Config> Pallet<T> {
+ /// Submit an inbound message originating from the Gateway contract on Ethereum
+ #[pallet::call_index(0)]
+ #[pallet::weight(T::WeightInfo::submit())]
+ pub fn submit(origin: OriginFor<T>, message: Message) -> DispatchResult {
+ let who = ensure_signed(origin)?;
+ ensure!(!Self::operating_mode().is_halted(), Error::<T>::Halted);
+
+ // submit message to verifier for verification
+ T::Verifier::verify(&message.event_log, &message.proof)
+ .map_err(|e| Error::<T>::Verification(e))?;
+
+ // Decode event log into an Envelope
+ let envelope =
+ Envelope::try_from(&message.event_log).map_err(|_| Error::<T>::InvalidEnvelope)?;
+
+ // Verify that the message was submitted from the known Gateway contract
+ ensure!(T::GatewayAddress::get() == envelope.gateway, Error::<T>::InvalidGateway);
+
+ // Retrieve the registered channel for this message
+ let channel =
+ T::ChannelLookup::lookup(envelope.channel_id).ok_or(Error::<T>::InvalidChannel)?;
+
+ // Verify message nonce
+ <Nonce<T>>::try_mutate(envelope.channel_id, |nonce| -> DispatchResult {
+ if *nonce == u64::MAX {
+ return Err(Error::<T>::MaxNonceReached.into())
+ }
+ if envelope.nonce != nonce.saturating_add(1) {
+ Err(Error::<T>::InvalidNonce.into())
+ } else {
+ *nonce = nonce.saturating_add(1);
+ Ok(())
+ }
+ })?;
+
+ // Reward relayer from the sovereign account of the destination parachain
+ // Expected to fail if sovereign account has no funds
+ let sovereign_account = sibling_sovereign_account::<T>(channel.para_id);
+ let delivery_cost = Self::calculate_delivery_cost(message.encode().len() as u32);
+ T::Token::transfer(&sovereign_account, &who, delivery_cost, Preservation::Preserve)?;
+
+ // Decode message into XCM
+ let (xcm, fee) =
+ match inbound::VersionedMessage::decode_all(&mut envelope.payload.as_ref()) {
+ Ok(message) => Self::do_convert(envelope.message_id, message)?,
+ Err(_) => return Err(Error::<T>::InvalidPayload.into()),
+ };
+
+ log::info!(
+ target: LOG_TARGET,
+ "💫 xcm decoded as {:?} with fee {:?}",
+ xcm,
+ fee
+ );
+
+ // Burning fees for teleport
+ Self::burn_fees(channel.para_id, fee)?;
+
+ // Attempt to send XCM to a dest parachain
+ let message_id = Self::send_xcm(xcm, channel.para_id)?;
+
+ Self::deposit_event(Event::MessageReceived {
+ channel_id: envelope.channel_id,
+ nonce: envelope.nonce,
+ message_id,
+ fee_burned: fee,
+ });
+
+ Ok(())
+ }
+
+ /// Halt or resume all pallet operations. May only be called by root.
+ #[pallet::call_index(1)]
+ #[pallet::weight((T::DbWeight::get().reads_writes(1, 1), DispatchClass::Operational))]
+ pub fn set_operating_mode(
+ origin: OriginFor<T>,
+ mode: BasicOperatingMode,
+ ) -> DispatchResult {
+ ensure_root(origin)?;
+ OperatingMode::<T>::set(mode);
+ Self::deposit_event(Event::OperatingModeChanged { mode });
+ Ok(())
+ }
+ }
+
+ impl<T: Config> Pallet<T> {
+ pub fn do_convert(
+ message_id: H256,
+ message: inbound::VersionedMessage,
+ ) -> Result<(Xcm<()>, BalanceOf<T>), Error<T>> {
+ let (mut xcm, fee) =
+ T::MessageConverter::convert(message).map_err(|e| Error::<T>::ConvertMessage(e))?;
+ // Append the message id as an XCM topic
+ xcm.inner_mut().extend(vec![SetTopic(message_id.into())]);
+ Ok((xcm, fee))
+ }
+
+ pub fn send_xcm(xcm: Xcm<()>, dest: ParaId) -> Result<XcmHash, Error<T>> {
+ let dest = Location::new(1, [Parachain(dest.into())]);
+ let (xcm_hash, _) = send_xcm::<T::XcmSender>(dest, xcm).map_err(Error::<T>::from)?;
+ Ok(xcm_hash)
+ }
+
+ pub fn calculate_delivery_cost(length: u32) -> BalanceOf<T> {
+ let weight_fee = T::WeightToFee::weight_to_fee(&T::WeightInfo::submit());
+ let len_fee = T::LengthToFee::weight_to_fee(&Weight::from_parts(length as u64, 0));
+ weight_fee
+ .saturating_add(len_fee)
+ .saturating_add(T::PricingParameters::get().rewards.local)
+ }
+
+ /// Burn the amount of the fee embedded into the XCM for teleports
+ pub fn burn_fees(para_id: ParaId, fee: BalanceOf<T>) -> DispatchResult {
+ let dummy_context =
+ XcmContext { origin: None, message_id: Default::default(), topic: None };
+ let dest = Location::new(1, [Parachain(para_id.into())]);
+ let fees = (Location::parent(), fee.saturated_into::<u128>()).into();
+ T::AssetTransactor::can_check_out(&dest, &fees, &dummy_context).map_err(|error| {
+ log::error!(
+ target: LOG_TARGET,
+ "XCM asset check out failed with error {:?}", error
+ );
+ TokenError::FundsUnavailable
+ })?;
+ T::AssetTransactor::check_out(&dest, &fees, &dummy_context);
+ T::AssetTransactor::withdraw_asset(&fees, &dest, None).map_err(|error| {
+ log::error!(
+ target: LOG_TARGET,
+ "XCM asset withdraw failed with error {:?}", error
+ );
+ TokenError::FundsUnavailable
+ })?;
+ Ok(())
+ }
+ }
+
+ /// API for accessing the delivery cost of a message
+ impl<T: Config> Get<BalanceOf<T>> for Pallet<T> {
+ fn get() -> BalanceOf<T> {
+ // Cost here based on MaxMessagePayloadSize(the worst case)
+ Self::calculate_delivery_cost(T::MaxMessageSize::get())
+ }
+ }
+}
diff --git a/bridges/snowbridge/pallets/inbound-queue/src/mock.rs b/bridges/snowbridge/pallets/inbound-queue/src/mock.rs
new file mode 100644
index 0000000000000..d75c3c6a18632
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/src/mock.rs
@@ -0,0 +1,348 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use super::*;
+
+use frame_support::{
+ parameter_types,
+ traits::{ConstU128, ConstU32, Everything},
+ weights::IdentityFee,
+};
+use hex_literal::hex;
+use snowbridge_beacon_primitives::{Fork, ForkVersions};
+use snowbridge_core::{
+ gwei,
+ inbound::{Log, Proof, VerificationError},
+ meth, Channel, ChannelId, PricingParameters, Rewards, StaticLookup,
+};
+use snowbridge_router_primitives::inbound::MessageToXcm;
+use sp_core::{H160, H256};
+use sp_runtime::{
+ traits::{BlakeTwo256, IdentifyAccount, IdentityLookup, Verify},
+ BuildStorage, FixedU128, MultiSignature,
+};
+use sp_std::convert::From;
+use xcm::{latest::SendXcm, prelude::*};
+use xcm_executor::AssetsInHolding;
+
+use crate::{self as inbound_queue};
+
+type Block = frame_system::mocking::MockBlock<Test>;
+
+frame_support::construct_runtime!(
+ pub enum Test
+ {
+ System: frame_system::{Pallet, Call, Storage, Event<T>},
+ Balances: pallet_balances::{Pallet, Call, Storage, Config<T>, Event<T>},
+ EthereumBeaconClient: snowbridge_pallet_ethereum_client::{Pallet, Call, Storage, Event<T>},
+ InboundQueue: inbound_queue::{Pallet, Call, Storage, Event<T>},
+ }
+);
+
+pub type Signature = MultiSignature;
+pub type AccountId = <<Signature as Verify>::Signer as IdentifyAccount>::AccountId;
+
+parameter_types! {
+ pub const BlockHashCount: u64 = 250;
+}
+
+type Balance = u128;
+
+impl frame_system::Config for Test {
+ type BaseCallFilter = Everything;
+ type BlockWeights = ();
+ type BlockLength = ();
+ type RuntimeOrigin = RuntimeOrigin;
+ type RuntimeCall = RuntimeCall;
+ type RuntimeTask = RuntimeTask;
+ type Hash = H256;
+ type Hashing = BlakeTwo256;
+ type AccountId = AccountId;
+ type Lookup = IdentityLookup<Self::AccountId>;
+ type RuntimeEvent = RuntimeEvent;
+ type BlockHashCount = BlockHashCount;
+ type DbWeight = ();
+ type Version = ();
+ type PalletInfo = PalletInfo;
+ type AccountData = pallet_balances::AccountData<u128>;
+ type OnNewAccount = ();
+ type OnKilledAccount = ();
+ type SystemWeightInfo = ();
+ type SS58Prefix = ();
+ type OnSetCode = ();
+ type MaxConsumers = frame_support::traits::ConstU32<16>;
+ type Nonce = u64;
+ type Block = Block;
+}
+
+impl pallet_balances::Config for Test {
+ type MaxLocks = ();
+ type MaxReserves = ();
+ type ReserveIdentifier = [u8; 8];
+ type Balance = Balance;
+ type RuntimeEvent = RuntimeEvent;
+ type DustRemoval = ();
+ type ExistentialDeposit = ConstU128<1>;
+ type AccountStore = System;
+ type WeightInfo = ();
+ type FreezeIdentifier = ();
+ type MaxFreezes = ();
+ type RuntimeHoldReason = ();
+ type RuntimeFreezeReason = ();
+ type MaxHolds = ();
+}
+
+parameter_types! {
+ pub const ExecutionHeadersPruneThreshold: u32 = 10;
+ pub const ChainForkVersions: ForkVersions = ForkVersions{
+ genesis: Fork {
+ version: [0, 0, 0, 1], // 0x00000001
+ epoch: 0,
+ },
+ altair: Fork {
+ version: [1, 0, 0, 1], // 0x01000001
+ epoch: 0,
+ },
+ bellatrix: Fork {
+ version: [2, 0, 0, 1], // 0x02000001
+ epoch: 0,
+ },
+ capella: Fork {
+ version: [3, 0, 0, 1], // 0x03000001
+ epoch: 0,
+ },
+ deneb: Fork {
+ version: [4, 0, 0, 1], // 0x04000001
+ epoch: 4294967295,
+ }
+ };
+}
+
+impl snowbridge_pallet_ethereum_client::Config for Test {
+ type RuntimeEvent = RuntimeEvent;
+ type ForkVersions = ChainForkVersions;
+ type MaxExecutionHeadersToKeep = ExecutionHeadersPruneThreshold;
+ type WeightInfo = ();
+}
+
+// Mock verifier
+pub struct MockVerifier;
+
+impl Verifier for MockVerifier {
+ fn verify(_: &Log, _: &Proof) -> Result<(), VerificationError> {
+ Ok(())
+ }
+}
+
+const GATEWAY_ADDRESS: [u8; 20] = hex!["eda338e4dc46038493b885327842fd3e301cab39"];
+
+parameter_types! {
+ pub const EthereumNetwork: xcm::v3::NetworkId = xcm::v3::NetworkId::Ethereum { chain_id: 11155111 };
+ pub const GatewayAddress: H160 = H160(GATEWAY_ADDRESS);
+ pub const CreateAssetCall: [u8;2] = [53, 0];
+ pub const CreateAssetExecutionFee: u128 = 2_000_000_000;
+ pub const CreateAssetDeposit: u128 = 100_000_000_000;
+ pub const SendTokenExecutionFee: u128 = 1_000_000_000;
+ pub const InitialFund: u128 = 1_000_000_000_000;
+ pub const InboundQueuePalletInstance: u8 = 80;
+}
+
+#[cfg(feature = "runtime-benchmarks")]
+impl<T: snowbridge_pallet_ethereum_client::Config> BenchmarkHelper<T> for Test {
+ // not implemented since the MockVerifier is used for tests
+ fn initialize_storage(_: H256, _: CompactExecutionHeader) {}
+}
+
+// Mock XCM sender that always succeeds
+pub struct MockXcmSender;
+
+impl SendXcm for MockXcmSender {
+ type Ticket = Xcm<()>;
+
+ fn validate(
+ dest: &mut Option<Location>,
+ xcm: &mut Option<Xcm<()>>,
+ ) -> SendResult<Self::Ticket> {
+ if let Some(location) = dest {
+ match location.unpack() {
+ (_, [Parachain(1001)]) => return Err(XcmpSendError::NotApplicable),
+ _ => Ok((xcm.clone().unwrap(), Assets::default())),
+ }
+ } else {
+ Ok((xcm.clone().unwrap(), Assets::default()))
+ }
+ }
+
+ fn deliver(xcm: Self::Ticket) -> core::result::Result<XcmHash, XcmpSendError> {
+ let hash = xcm.using_encoded(sp_io::hashing::blake2_256);
+ Ok(hash)
+ }
+}
+
+parameter_types! {
+ pub const OwnParaId: ParaId = ParaId::new(1013);
+ pub Parameters: PricingParameters<u128> = PricingParameters {
+ exchange_rate: FixedU128::from_rational(1, 400),
+ fee_per_gas: gwei(20),
+ rewards: Rewards { local: DOT, remote: meth(1) }
+ };
+}
+
+pub const DOT: u128 = 10_000_000_000;
+
+pub struct MockChannelLookup;
+impl StaticLookup for MockChannelLookup {
+ type Source = ChannelId;
+ type Target = Channel;
+
+ fn lookup(channel_id: Self::Source) -> Option<Self::Target> {
+ if channel_id !=
+ hex!("c173fac324158e77fb5840738a1a541f633cbec8884c6a601c567d2b376a0539").into()
+ {
+ return None
+ }
+ Some(Channel { agent_id: H256::zero(), para_id: ASSET_HUB_PARAID.into() })
+ }
+}
+
+pub struct SuccessfulTransactor;
+impl TransactAsset for SuccessfulTransactor {
+ fn can_check_in(_origin: &Location, _what: &Asset, _context: &XcmContext) -> XcmResult {
+ Ok(())
+ }
+
+ fn can_check_out(_dest: &Location, _what: &Asset, _context: &XcmContext) -> XcmResult {
+ Ok(())
+ }
+
+ fn deposit_asset(_what: &Asset, _who: &Location, _context: Option<&XcmContext>) -> XcmResult {
+ Ok(())
+ }
+
+ fn withdraw_asset(
+ _what: &Asset,
+ _who: &Location,
+ _context: Option<&XcmContext>,
+ ) -> Result<AssetsInHolding, XcmError> {
+ Ok(AssetsInHolding::default())
+ }
+
+ fn internal_transfer_asset(
+ _what: &Asset,
+ _from: &Location,
+ _to: &Location,
+ _context: &XcmContext,
+ ) -> Result<AssetsInHolding, XcmError> {
+ Ok(AssetsInHolding::default())
+ }
+}
+
+impl inbound_queue::Config for Test {
+ type RuntimeEvent = RuntimeEvent;
+ type Verifier = MockVerifier;
+ type Token = Balances;
+ type XcmSender = MockXcmSender;
+ type WeightInfo = ();
+ type GatewayAddress = GatewayAddress;
+ type MessageConverter = MessageToXcm<
+ CreateAssetCall,
+ CreateAssetDeposit,
+ InboundQueuePalletInstance,
+ AccountId,
+ Balance,
+ >;
+ type PricingParameters = Parameters;
+ type ChannelLookup = MockChannelLookup;
+ #[cfg(feature = "runtime-benchmarks")]
+ type Helper = Test;
+ type WeightToFee = IdentityFee<u128>;
+ type LengthToFee = IdentityFee<u128>;
+ type MaxMessageSize = ConstU32<1024>;
+ type AssetTransactor = SuccessfulTransactor;
+}
+
+pub fn last_events(n: usize) -> Vec<RuntimeEvent> {
+ frame_system::Pallet::<Test>::events()
+ .into_iter()
+ .rev()
+ .take(n)
+ .rev()
+ .map(|e| e.event)
+ .collect()
+}
+
+pub fn expect_events(e: Vec<RuntimeEvent>) {
+ assert_eq!(last_events(e.len()), e);
+}
+
+pub fn setup() {
+ System::set_block_number(1);
+ Balances::mint_into(
+ &sibling_sovereign_account::<Test>(ASSET_HUB_PARAID.into()),
+ InitialFund::get(),
+ )
+ .unwrap();
+ Balances::mint_into(
+ &sibling_sovereign_account::<Test>(TEMPLATE_PARAID.into()),
+ InitialFund::get(),
+ )
+ .unwrap();
+}
+
+pub fn new_tester() -> sp_io::TestExternalities {
+ let storage = frame_system::GenesisConfig::<Test>::default().build_storage().unwrap();
+ let mut ext: sp_io::TestExternalities = storage.into();
+ ext.execute_with(setup);
+ ext
+}
+
+// Generated from smoketests:
+// cd smoketests
+// ./make-bindings
+// cargo test --test register_token -- --nocapture
+pub fn mock_event_log() -> Log {
+ Log {
+ // gateway address
+ address: hex!("eda338e4dc46038493b885327842fd3e301cab39").into(),
+ topics: vec![
+ hex!("7153f9357c8ea496bba60bf82e67143e27b64462b49041f8e689e1b05728f84f").into(),
+ // channel id
+ hex!("c173fac324158e77fb5840738a1a541f633cbec8884c6a601c567d2b376a0539").into(),
+ // message id
+ hex!("5f7060e971b0dc81e63f0aa41831091847d97c1a4693ac450cc128c7214e65e0").into(),
+ ],
+ // Nonce + Payload
+ data: hex!("00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002e000f000000000000000087d1f7fdfee7f651fabc8bfcb6e086c278b77a7d00e40b54020000000000000000000000000000000000000000000000000000000000").into(),
+ }
+}
+
+pub fn mock_event_log_invalid_channel() -> Log {
+ Log {
+ address: hex!("eda338e4dc46038493b885327842fd3e301cab39").into(),
+ topics: vec![
+ hex!("7153f9357c8ea496bba60bf82e67143e27b64462b49041f8e689e1b05728f84f").into(),
+ // invalid channel id
+ hex!("0000000000000000000000000000000000000000000000000000000000000000").into(),
+ hex!("5f7060e971b0dc81e63f0aa41831091847d97c1a4693ac450cc128c7214e65e0").into(),
+ ],
+ data: hex!("00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000001e000f000000000000000087d1f7fdfee7f651fabc8bfcb6e086c278b77a7d0000").into(),
+ }
+}
+
+pub fn mock_event_log_invalid_gateway() -> Log {
+ Log {
+ // gateway address
+ address: H160::zero(),
+ topics: vec![
+ hex!("7153f9357c8ea496bba60bf82e67143e27b64462b49041f8e689e1b05728f84f").into(),
+ // channel id
+ hex!("c173fac324158e77fb5840738a1a541f633cbec8884c6a601c567d2b376a0539").into(),
+ // message id
+ hex!("5f7060e971b0dc81e63f0aa41831091847d97c1a4693ac450cc128c7214e65e0").into(),
+ ],
+ // Nonce + Payload
+ data: hex!("00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000001e000f000000000000000087d1f7fdfee7f651fabc8bfcb6e086c278b77a7d0000").into(),
+ }
+}
+
+pub const ASSET_HUB_PARAID: u32 = 1000u32;
+pub const TEMPLATE_PARAID: u32 = 1001u32;
diff --git a/bridges/snowbridge/pallets/inbound-queue/src/test.rs b/bridges/snowbridge/pallets/inbound-queue/src/test.rs
new file mode 100644
index 0000000000000..9a47e475b8c99
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/src/test.rs
@@ -0,0 +1,212 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use super::*;
+
+use frame_support::{assert_noop, assert_ok};
+use hex_literal::hex;
+use snowbridge_core::{inbound::Proof, ChannelId};
+use sp_keyring::AccountKeyring as Keyring;
+use sp_runtime::{DispatchError, TokenError};
+use sp_std::convert::From;
+
+use crate::{Error, Event as InboundQueueEvent};
+
+use crate::mock::*;
+
+#[test]
+fn test_submit_happy_path() {
+ new_tester().execute_with(|| {
+ let relayer: AccountId = Keyring::Bob.into();
+ let channel_sovereign = sibling_sovereign_account::<Test>(ASSET_HUB_PARAID.into());
+
+ let origin = RuntimeOrigin::signed(relayer.clone());
+
+ // Submit message
+ let message = Message {
+ event_log: mock_event_log(),
+ proof: Proof {
+ block_hash: Default::default(),
+ tx_index: Default::default(),
+ data: Default::default(),
+ },
+ };
+
+ let initial_fund = InitialFund::get();
+ assert_eq!(Balances::balance(&relayer), 0);
+ assert_eq!(Balances::balance(&channel_sovereign), initial_fund);
+
+ assert_ok!(InboundQueue::submit(origin.clone(), message.clone()));
+ expect_events(vec![InboundQueueEvent::MessageReceived {
+ channel_id: hex!("c173fac324158e77fb5840738a1a541f633cbec8884c6a601c567d2b376a0539")
+ .into(),
+ nonce: 1,
+ message_id: [
+ 57, 61, 232, 3, 66, 61, 25, 190, 234, 188, 193, 174, 13, 186, 1, 64, 237, 94, 73,
+ 83, 14, 18, 209, 213, 78, 121, 43, 108, 251, 245, 107, 67,
+ ],
+ fee_burned: 110000000000,
+ }
+ .into()]);
+
+ let delivery_cost = InboundQueue::calculate_delivery_cost(message.encode().len() as u32);
+ assert!(
+ Parameters::get().rewards.local < delivery_cost,
+ "delivery cost exceeds pure reward"
+ );
+
+ assert_eq!(Balances::balance(&relayer), delivery_cost, "relayer was rewarded");
+ assert!(
+ Balances::balance(&channel_sovereign) <= initial_fund - delivery_cost,
+ "sovereign account paid reward"
+ );
+ });
+}
+
+#[test]
+fn test_submit_xcm_invalid_channel() {
+ new_tester().execute_with(|| {
+ let relayer: AccountId = Keyring::Bob.into();
+ let origin = RuntimeOrigin::signed(relayer);
+
+ // Deposit funds into sovereign account of parachain 1001
+ let sovereign_account = sibling_sovereign_account::<Test>(TEMPLATE_PARAID.into());
+ println!("account: {}", sovereign_account);
+ let _ = Balances::mint_into(&sovereign_account, 10000);
+
+ // Submit message
+ let message = Message {
+ event_log: mock_event_log_invalid_channel(),
+ proof: Proof {
+ block_hash: Default::default(),
+ tx_index: Default::default(),
+ data: Default::default(),
+ },
+ };
+ assert_noop!(
+ InboundQueue::submit(origin.clone(), message.clone()),
+ Error::<Test>::InvalidChannel,
+ );
+ });
+}
+
+#[test]
+fn test_submit_with_invalid_gateway() {
+ new_tester().execute_with(|| {
+ let relayer: AccountId = Keyring::Bob.into();
+ let origin = RuntimeOrigin::signed(relayer);
+
+ // Deposit funds into sovereign account of Asset Hub (Statemint)
+ let sovereign_account = sibling_sovereign_account::<Test>(ASSET_HUB_PARAID.into());
+ let _ = Balances::mint_into(&sovereign_account, 10000);
+
+ // Submit message
+ let message = Message {
+ event_log: mock_event_log_invalid_gateway(),
+ proof: Proof {
+ block_hash: Default::default(),
+ tx_index: Default::default(),
+ data: Default::default(),
+ },
+ };
+ assert_noop!(
+ InboundQueue::submit(origin.clone(), message.clone()),
+ Error::<Test>::InvalidGateway
+ );
+ });
+}
+
+#[test]
+fn test_submit_with_invalid_nonce() {
+ new_tester().execute_with(|| {
+ let relayer: AccountId = Keyring::Bob.into();
+ let origin = RuntimeOrigin::signed(relayer);
+
+ // Deposit funds into sovereign account of Asset Hub (Statemint)
+ let sovereign_account = sibling_sovereign_account::<Test>(ASSET_HUB_PARAID.into());
+ let _ = Balances::mint_into(&sovereign_account, 10000);
+
+ // Submit message
+ let message = Message {
+ event_log: mock_event_log(),
+ proof: Proof {
+ block_hash: Default::default(),
+ tx_index: Default::default(),
+ data: Default::default(),
+ },
+ };
+ assert_ok!(InboundQueue::submit(origin.clone(), message.clone()));
+
+ let nonce: u64 = <Nonce<Test>>::get(ChannelId::from(hex!(
+ "c173fac324158e77fb5840738a1a541f633cbec8884c6a601c567d2b376a0539"
+ )));
+ assert_eq!(nonce, 1);
+
+ // Submit the same again
+ assert_noop!(
+ InboundQueue::submit(origin.clone(), message.clone()),
+ Error::<Test>::InvalidNonce
+ );
+ });
+}
+
+#[test]
+fn test_submit_no_funds_to_reward_relayers() {
+ new_tester().execute_with(|| {
+ let relayer: AccountId = Keyring::Bob.into();
+ let origin = RuntimeOrigin::signed(relayer);
+
+ // Reset balance of sovereign_account to zero so to trigger the FundsUnavailable error
+ let sovereign_account = sibling_sovereign_account::<Test>(ASSET_HUB_PARAID.into());
+ Balances::set_balance(&sovereign_account, 0);
+
+ // Submit message
+ let message = Message {
+ event_log: mock_event_log(),
+ proof: Proof {
+ block_hash: Default::default(),
+ tx_index: Default::default(),
+ data: Default::default(),
+ },
+ };
+ assert_noop!(
+ InboundQueue::submit(origin.clone(), message.clone()),
+ TokenError::FundsUnavailable
+ );
+ });
+}
+
+#[test]
+fn test_set_operating_mode() {
+ new_tester().execute_with(|| {
+ let relayer: AccountId = Keyring::Bob.into();
+ let origin = RuntimeOrigin::signed(relayer);
+ let message = Message {
+ event_log: mock_event_log(),
+ proof: Proof {
+ block_hash: Default::default(),
+ tx_index: Default::default(),
+ data: Default::default(),
+ },
+ };
+
+ assert_ok!(InboundQueue::set_operating_mode(
+ RuntimeOrigin::root(),
+ snowbridge_core::BasicOperatingMode::Halted
+ ));
+
+ assert_noop!(InboundQueue::submit(origin, message), Error::<Test>::Halted);
+ });
+}
+
+#[test]
+fn test_set_operating_mode_root_only() {
+ new_tester().execute_with(|| {
+ assert_noop!(
+ InboundQueue::set_operating_mode(
+ RuntimeOrigin::signed(Keyring::Bob.into()),
+ snowbridge_core::BasicOperatingMode::Halted
+ ),
+ DispatchError::BadOrigin
+ );
+ });
+}
diff --git a/bridges/snowbridge/pallets/inbound-queue/src/weights.rs b/bridges/snowbridge/pallets/inbound-queue/src/weights.rs
new file mode 100644
index 0000000000000..c2c665f40d9e5
--- /dev/null
+++ b/bridges/snowbridge/pallets/inbound-queue/src/weights.rs
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Autogenerated weights for `snowbridge_inbound_queue`
+//!
+//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 4.0.0-dev
+//! DATE: 2023-07-14, STEPS: `50`, REPEAT: `20`, LOW RANGE: `[]`, HIGH RANGE: `[]`
+//! WORST CASE MAP SIZE: `1000000`
+//! HOSTNAME: `macbook pro 14 m2`, CPU: `m2-arm64`
+//! EXECUTION: Some(Wasm), WASM-EXECUTION: Compiled, CHAIN: Some("bridge-hub-rococo-dev"), DB CACHE: 1024
+
+#![cfg_attr(rustfmt, rustfmt_skip)]
+#![allow(unused_parens)]
+#![allow(unused_imports)]
+
+use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
+use sp_std::marker::PhantomData;
+
+/// Weight functions needed for ethereum_beacon_client.
+pub trait WeightInfo {
+ fn submit() -> Weight;
+}
+
+// For backwards compatibility and tests
+impl WeightInfo for () {
+ fn submit() -> Weight {
+ Weight::from_parts(70_000_000, 0)
+ .saturating_add(Weight::from_parts(0, 3601))
+ .saturating_add(RocksDbWeight::get().reads(2))
+ .saturating_add(RocksDbWeight::get().writes(2))
+ }
+}
diff --git a/bridges/snowbridge/pallets/outbound-queue/Cargo.toml b/bridges/snowbridge/pallets/outbound-queue/Cargo.toml
new file mode 100644
index 0000000000000..03ddb12b7b4ab
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/Cargo.toml
@@ -0,0 +1,82 @@
+[package]
+name = "snowbridge-pallet-outbound-queue"
+description = "Snowbridge Outbound Queue Pallet"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+serde = { version = "1.0.195", features = ["alloc", "derive"], default-features = false }
+codec = { version = "3.6.1", package = "parity-scale-codec", default-features = false, features = ["derive"] }
+scale-info = { version = "2.9.0", default-features = false, features = ["derive"] }
+hex-literal = { version = "0.4.1", optional = true }
+
+frame-benchmarking = { path = "../../../../substrate/frame/benchmarking", default-features = false, optional = true }
+frame-support = { path = "../../../../substrate/frame/support", default-features = false }
+frame-system = { path = "../../../../substrate/frame/system", default-features = false }
+sp-core = { path = "../../../../substrate/primitives/core", default-features = false }
+sp-std = { path = "../../../../substrate/primitives/std", default-features = false }
+sp-runtime = { path = "../../../../substrate/primitives/runtime", default-features = false }
+sp-io = { path = "../../../../substrate/primitives/io", default-features = false }
+sp-arithmetic = { path = "../../../../substrate/primitives/arithmetic", default-features = false }
+
+bridge-hub-common = { path = "../../../../cumulus/parachains/runtimes/bridge-hubs/common", default-features = false }
+
+snowbridge-core = { path = "../../primitives/core", default-features = false, features = ["serde"] }
+snowbridge-outbound-queue-merkle-tree = { path = "merkle-tree", default-features = false }
+ethabi = { package = "ethabi-decode", version = "1.0.0", default-features = false }
+
+xcm = { package = "staging-xcm", path = "../../../../polkadot/xcm", default-features = false }
+
+[dev-dependencies]
+pallet-message-queue = { path = "../../../../substrate/frame/message-queue", default-features = false }
+sp-keyring = { path = "../../../../substrate/primitives/keyring" }
+hex-literal = { version = "0.4.1" }
+
+[features]
+default = ["std"]
+std = [
+ "bridge-hub-common/std",
+ "codec/std",
+ "ethabi/std",
+ "frame-benchmarking/std",
+ "frame-support/std",
+ "frame-system/std",
+ "pallet-message-queue/std",
+ "scale-info/std",
+ "serde/std",
+ "snowbridge-core/std",
+ "snowbridge-outbound-queue-merkle-tree/std",
+ "sp-arithmetic/std",
+ "sp-core/std",
+ "sp-io/std",
+ "sp-runtime/std",
+ "sp-std/std",
+ "xcm/std",
+]
+runtime-benchmarks = [
+ "bridge-hub-common/runtime-benchmarks",
+ "frame-benchmarking",
+ "frame-benchmarking/runtime-benchmarks",
+ "frame-support/runtime-benchmarks",
+ "frame-system/runtime-benchmarks",
+ "hex-literal",
+ "pallet-message-queue/runtime-benchmarks",
+ "snowbridge-core/runtime-benchmarks",
+ "sp-runtime/runtime-benchmarks",
+]
+try-runtime = [
+ "frame-support/try-runtime",
+ "frame-system/try-runtime",
+ "pallet-message-queue/try-runtime",
+ "sp-runtime/try-runtime",
+]
diff --git a/bridges/snowbridge/pallets/outbound-queue/README.md b/bridges/snowbridge/pallets/outbound-queue/README.md
new file mode 100644
index 0000000000000..19638f90e6a5f
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/README.md
@@ -0,0 +1,3 @@
+# Ethereum Outbound Queue
+
+Sends messages from an origin in the Polkadot ecosystem to Ethereum.
diff --git a/bridges/snowbridge/pallets/outbound-queue/merkle-tree/Cargo.toml b/bridges/snowbridge/pallets/outbound-queue/merkle-tree/Cargo.toml
new file mode 100644
index 0000000000000..503dc14bbc9d0
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/merkle-tree/Cargo.toml
@@ -0,0 +1,38 @@
+[package]
+name = "snowbridge-outbound-queue-merkle-tree"
+description = "Snowbridge Outbound Queue Merkle Tree"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+codec = { version = "3.1.5", package = "parity-scale-codec", default-features = false, features = ["derive"] }
+scale-info = { version = "2.7.0", default-features = false, features = ["derive"] }
+
+sp-core = { path = "../../../../../substrate/primitives/core", default-features = false }
+sp-runtime = { path = "../../../../../substrate/primitives/runtime", default-features = false }
+
+[dev-dependencies]
+hex-literal = { version = "0.4.1" }
+env_logger = "0.9"
+hex = "0.4"
+array-bytes = "4.1"
+sp-crypto-hashing = { path = "../../../../../substrate/primitives/crypto/hashing" }
+
+[features]
+default = ["std"]
+std = [
+ "codec/std",
+ "scale-info/std",
+ "sp-core/std",
+ "sp-runtime/std",
+]
diff --git a/bridges/snowbridge/pallets/outbound-queue/merkle-tree/README.md b/bridges/snowbridge/pallets/outbound-queue/merkle-tree/README.md
new file mode 100644
index 0000000000000..a3afef1d67137
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/merkle-tree/README.md
@@ -0,0 +1,4 @@
+# Snowbridge Outbound Queue Merkle Tree
+
+This crate implements a simple binary Merkle Tree utilities required for inter-op with Ethereum
+bridge & Solidity contract.
diff --git a/bridges/snowbridge/pallets/outbound-queue/merkle-tree/src/lib.rs b/bridges/snowbridge/pallets/outbound-queue/merkle-tree/src/lib.rs
new file mode 100644
index 0000000000000..8c91ccd04d9a6
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/merkle-tree/src/lib.rs
@@ -0,0 +1,464 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+// SPDX-FileCopyrightText: 2021-2022 Parity Technologies (UK) Ltd.
+#![cfg_attr(not(feature = "std"), no_std)]
+#![warn(missing_docs)]
+
+//! This crate implements a simple binary Merkle Tree utilities required for inter-op with Ethereum
+//! bridge & Solidity contract.
+//!
+//! The implementation is optimised for usage within Substrate Runtime and supports no-std
+//! compilation targets.
+//!
+//! Merkle Tree is constructed from arbitrary-length leaves, that are initially hashed using the
+//! same `\[`Hasher`\]` as the inner nodes.
+//! Inner nodes are created by concatenating child hashes and hashing again. The implementation
+//! does not perform any sorting of the input data (leaves) nor when inner nodes are created.
+//!
+//! If the number of leaves is not even, last leaf (hash of) is promoted to the upper layer.
+
+#[cfg(not(feature = "std"))]
+extern crate alloc;
+#[cfg(not(feature = "std"))]
+use alloc::vec;
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
+
+use codec::{Decode, Encode};
+use scale_info::TypeInfo;
+use sp_core::{RuntimeDebug, H256};
+use sp_runtime::traits::Hash;
+
+/// Construct a root hash of a Binary Merkle Tree created from given leaves.
+///
+/// See crate-level docs for details about Merkle Tree construction.
+///
+/// In case an empty list of leaves is passed the function returns a 0-filled hash.
+pub fn merkle_root<H, I>(leaves: I) -> H256
+where
+ H: Hash<Output = H256>,
+ I: Iterator<Item = H256>,
+{
+ merkelize::<H, _, _>(leaves, &mut ())
+}
+
+fn merkelize<H, V, I>(leaves: I, visitor: &mut V) -> H256
+where
+ H: Hash<Output = H256>,
+ V: Visitor,
+ I: Iterator<Item = H256>,
+{
+ let upper = Vec::with_capacity(leaves.size_hint().0);
+ let mut next = match merkelize_row::<H, _, _>(leaves, upper, visitor) {
+ Ok(root) => return root,
+ Err(next) if next.is_empty() => return H256::default(),
+ Err(next) => next,
+ };
+
+ let mut upper = Vec::with_capacity((next.len() + 1) / 2);
+ loop {
+ visitor.move_up();
+
+ match merkelize_row::<H, _, _>(next.drain(..), upper, visitor) {
+ Ok(root) => return root,
+ Err(t) => {
+ // swap collections to avoid allocations
+ upper = next;
+ next = t;
+ },
+ };
+ }
+}
+
+/// A generated merkle proof.
+///
+/// The structure contains all necessary data to later on verify the proof and the leaf itself.
+#[derive(Encode, Decode, RuntimeDebug, PartialEq, Eq, TypeInfo)]
+pub struct MerkleProof {
+ /// Root hash of generated merkle tree.
+ pub root: H256,
+ /// Proof items (does not contain the leaf hash, nor the root obviously).
+ ///
+ /// This vec contains all inner node hashes necessary to reconstruct the root hash given the
+ /// leaf hash.
+ pub proof: Vec<H256>,
+ /// Number of leaves in the original tree.
+ ///
+ /// This is needed to detect a case where we have an odd number of leaves that "get promoted"
+ /// to upper layers.
+ pub number_of_leaves: u64,
+ /// Index of the leaf the proof is for (0-based).
+ pub leaf_index: u64,
+ /// Leaf content (hashed).
+ pub leaf: H256,
+}
+
+/// A trait of object inspecting merkle root creation.
+///
+/// It can be passed to [`merkelize_row`] or [`merkelize`] functions and will be notified
+/// about tree traversal.
+trait Visitor {
+ /// We are moving one level up in the tree.
+ fn move_up(&mut self);
+
+ /// We are creating an inner node from given `left` and `right` nodes.
+ ///
+ /// Note that in case of last odd node in the row `right` might be empty.
+ /// The method will also visit the `root` hash (level 0).
+ ///
+ /// The `index` is an index of `left` item.
+ fn visit(&mut self, index: u64, left: &Option<H256>, right: &Option<H256>);
+}
+
+/// No-op implementation of the visitor.
+impl Visitor for () {
+ fn move_up(&mut self) {}
+ fn visit(&mut self, _index: u64, _left: &Option<H256>, _right: &Option<H256>) {}
+}
+
+/// Construct a Merkle Proof for leaves given by indices.
+///
+/// The function constructs a (partial) Merkle Tree first and stores all elements required
+/// to prove the requested item (leaf) given the root hash.
+///
+/// Both the Proof and the Root Hash are returned.
+///
+/// # Panic
+///
+/// The function will panic if given `leaf_index` is greater than the number of leaves.
+pub fn merkle_proof<H, I>(leaves: I, leaf_index: u64) -> MerkleProof
+where
+ H: Hash<Output = H256>,
+ I: Iterator<Item = H256>,
+{
+ let mut leaf = None;
+ let mut hashes = vec![];
+ let mut number_of_leaves = 0;
+ for (idx, l) in (0u64..).zip(leaves) {
+ // count the leaves
+ number_of_leaves = idx + 1;
+ hashes.push(l);
+ // find the leaf for the proof
+ if idx == leaf_index {
+ leaf = Some(l);
+ }
+ }
+
+ /// The struct collects a proof for single leaf.
+ struct ProofCollection {
+ proof: Vec<H256>,
+ position: u64,
+ }
+
+ impl ProofCollection {
+ fn new(position: u64) -> Self {
+ ProofCollection { proof: Default::default(), position }
+ }
+ }
+
+ impl Visitor for ProofCollection {
+ fn move_up(&mut self) {
+ self.position /= 2;
+ }
+
+ fn visit(&mut self, index: u64, left: &Option<H256>, right: &Option<H256>) {
+ // we are at left branch - right goes to the proof.
+ if self.position == index {
+ if let Some(right) = right {
+ self.proof.push(*right);
+ }
+ }
+ // we are at right branch - left goes to the proof.
+ if self.position == index + 1 {
+ if let Some(left) = left {
+ self.proof.push(*left);
+ }
+ }
+ }
+ }
+
+ let mut collect_proof = ProofCollection::new(leaf_index);
+
+ let root = merkelize::<H, _, _>(hashes.into_iter(), &mut collect_proof);
+ let leaf = leaf.expect("Requested `leaf_index` is greater than number of leaves.");
+
+ #[cfg(feature = "debug")]
+ log::debug!(
+ "[merkle_proof] Proof: {:?}",
+ collect_proof.proof.iter().map(hex::encode).collect::<Vec<_>>()
+ );
+
+ MerkleProof { root, proof: collect_proof.proof, number_of_leaves, leaf_index, leaf }
+}
+
+/// Leaf node for proof verification.
+///
+/// Can be either a value that needs to be hashed first,
+/// or the hash itself.
+#[derive(Debug, PartialEq, Eq)]
+pub enum Leaf<'a> {
+ /// Leaf content.
+ Value(&'a [u8]),
+ /// Hash of the leaf content.
+ Hash(H256),
+}
+
+impl<'a, T: AsRef<[u8]>> From<&'a T> for Leaf<'a> {
+ fn from(v: &'a T) -> Self {
+ Leaf::Value(v.as_ref())
+ }
+}
+
+impl<'a> From<H256> for Leaf<'a> {
+ fn from(v: H256) -> Self {
+ Leaf::Hash(v)
+ }
+}
+
+/// Verify Merkle Proof correctness versus given root hash.
+///
+/// The proof is NOT expected to contain leaf hash as the first
+/// element, but only all adjacent nodes required to eventually by process of
+/// concatenating and hashing end up with given root hash.
+///
+/// The proof must not contain the root hash.
+pub fn verify_proof<'a, H, P, L>(
+ root: &'a H256,
+ proof: P,
+ number_of_leaves: u64,
+ leaf_index: u64,
+ leaf: L,
+) -> bool
+where
+ H: Hash<Output = H256>,
+ P: IntoIterator<Item = H256>,
+ L: Into<Leaf<'a>>,
+{
+ if leaf_index >= number_of_leaves {
+ return false
+ }
+
+ let leaf_hash = match leaf.into() {
+ Leaf::Value(content) => <H as Hash>::hash(content),
+ Leaf::Hash(hash) => hash,
+ };
+
+ let hash_len = <H as sp_core::Hasher>::LENGTH;
+ let mut combined = [0_u8; 64];
+ let computed = proof.into_iter().fold(leaf_hash, |a, b| {
+ if a < b {
+ combined[..hash_len].copy_from_slice(a.as_ref());
+ combined[hash_len..].copy_from_slice(b.as_ref());
+ } else {
+ combined[..hash_len].copy_from_slice(b.as_ref());
+ combined[hash_len..].copy_from_slice(a.as_ref());
+ }
+ <H as Hash>::hash(&combined)
+ });
+
+ root == &computed
+}
+
+/// Processes a single row (layer) of a tree by taking pairs of elements,
+/// concatenating them, hashing and placing into resulting vector.
+///
+/// In case only one element is provided it is returned via `Ok` result, in any other case (also an
+/// empty iterator) an `Err` with the inner nodes of upper layer is returned.
+fn merkelize_row<H, V, I>(
+ mut iter: I,
+ mut next: Vec<H256>,
+ visitor: &mut V,
+) -> Result<H256, Vec<H256>>
+where
+ H: Hash<Output = H256>,
+ V: Visitor,
+ I: Iterator<Item = H256>,
+{
+ #[cfg(feature = "debug")]
+ log::debug!("[merkelize_row]");
+ next.clear();
+
+ let hash_len = <H as sp_core::Hasher>::LENGTH;
+ let mut index = 0;
+ let mut combined = vec![0_u8; hash_len * 2];
+ loop {
+ let a = iter.next();
+ let b = iter.next();
+ visitor.visit(index, &a, &b);
+
+ #[cfg(feature = "debug")]
+ log::debug!(" {:?}\n {:?}", a.as_ref().map(hex::encode), b.as_ref().map(hex::encode));
+
+ index += 2;
+ match (a, b) {
+ (Some(a), Some(b)) => {
+ if a < b {
+ combined[..hash_len].copy_from_slice(a.as_ref());
+ combined[hash_len..].copy_from_slice(b.as_ref());
+ } else {
+ combined[..hash_len].copy_from_slice(b.as_ref());
+ combined[hash_len..].copy_from_slice(a.as_ref());
+ }
+
+ next.push(<H as Hash>::hash(&combined));
+ },
+ // Odd number of items. Promote the item to the upper layer.
+ (Some(a), None) if !next.is_empty() => {
+ next.push(a);
+ },
+ // Last item = root.
+ (Some(a), None) => return Ok(a),
+ // Finish up, no more items.
+ _ => {
+ #[cfg(feature = "debug")]
+ log::debug!(
+ "[merkelize_row] Next: {:?}",
+ next.iter().map(hex::encode).collect::<Vec<_>>()
+ );
+ return Err(next)
+ },
+ }
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use hex_literal::hex;
+ use sp_crypto_hashing::keccak_256;
+ use sp_runtime::traits::Keccak256;
+
+ fn make_leaves(count: u64) -> Vec<H256> {
+ (0..count).map(|i| keccak_256(&i.to_le_bytes()).into()).collect()
+ }
+
+ #[test]
+ fn should_generate_empty_root() {
+ // given
+ let _ = env_logger::try_init();
+ let data = vec![];
+
+ // when
+ let out = merkle_root::<Keccak256, _>(data.into_iter());
+
+ // then
+ assert_eq!(
+ hex::encode(out),
+ "0000000000000000000000000000000000000000000000000000000000000000"
+ );
+ }
+
+ #[test]
+ fn should_generate_single_root() {
+ // given
+ let _ = env_logger::try_init();
+ let data = make_leaves(1);
+
+ // when
+ let out = merkle_root::<Keccak256, _>(data.into_iter());
+
+ // then
+ assert_eq!(
+ hex::encode(out),
+ "011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce"
+ );
+ }
+
+ #[test]
+ fn should_generate_root_pow_2() {
+ // given
+ let _ = env_logger::try_init();
+ let data = make_leaves(2);
+
+ // when
+ let out = merkle_root::<Keccak256, _>(data.into_iter());
+
+ // then
+ assert_eq!(
+ hex::encode(out),
+ "e497bd1c13b13a60af56fa0d2703517c232fde213ad20d2c3dd60735c6604512"
+ );
+ }
+
+ #[test]
+ fn should_generate_root_complex() {
+ let _ = env_logger::try_init();
+ let test = |root, data: Vec<H256>| {
+ assert_eq!(
+ array_bytes::bytes2hex("", merkle_root::<Keccak256, _>(data.into_iter()).as_ref()),
+ root
+ );
+ };
+
+ test("816cc37bd8d39f7b0851838ebc875faf2afe58a03e95aca3b1333b3693f39dd3", make_leaves(3));
+
+ test("7501ea976cb92f305cca65ab11254589ea28bb8b59d3161506350adaa237d22f", make_leaves(4));
+
+ test("d26ba4eb398747bdd39255b1fadb99b803ce39696021b3b0bff7301ac146ee4e", make_leaves(10));
+ }
+
+ #[test]
+ #[ignore]
+ fn should_generate_and_verify_proof() {
+ // given
+ let _ = env_logger::try_init();
+ let data: Vec<H256> = make_leaves(3);
+
+ // when
+ let proof0 = merkle_proof::<Keccak256, _>(data.clone().into_iter(), 0);
+ assert!(verify_proof::<Keccak256, _, _>(
+ &proof0.root,
+ proof0.proof.clone(),
+ data.len() as u64,
+ proof0.leaf_index,
+ &data[0],
+ ));
+
+ let proof1 = merkle_proof::<Keccak256, _>(data.clone().into_iter(), 1);
+ assert!(verify_proof::<Keccak256, _, _>(
+ &proof1.root,
+ proof1.proof,
+ data.len() as u64,
+ proof1.leaf_index,
+ &proof1.leaf,
+ ));
+
+ let proof2 = merkle_proof::<Keccak256, _>(data.clone().into_iter(), 2);
+ assert!(verify_proof::<Keccak256, _, _>(
+ &proof2.root,
+ proof2.proof,
+ data.len() as u64,
+ proof2.leaf_index,
+ &proof2.leaf
+ ));
+
+ // then
+ assert_eq!(hex::encode(proof0.root), hex::encode(proof1.root));
+ assert_eq!(hex::encode(proof2.root), hex::encode(proof1.root));
+
+ assert!(!verify_proof::<Keccak256, _, _>(
+ &H256::from_slice(&hex!(
+ "fb3b3be94be9e983ba5e094c9c51a7d96a4fa2e5d8e891df00ca89ba05bb1239"
+ )),
+ proof0.proof,
+ data.len() as u64,
+ proof0.leaf_index,
+ &proof0.leaf
+ ));
+
+ assert!(!verify_proof::<Keccak256, _, _>(
+ &proof0.root,
+ vec![],
+ data.len() as u64,
+ proof0.leaf_index,
+ &proof0.leaf
+ ));
+ }
+
+ #[test]
+ #[should_panic]
+ fn should_panic_on_invalid_leaf_index() {
+ let _ = env_logger::try_init();
+ merkle_proof::<Keccak256, _>(make_leaves(1).into_iter(), 5);
+ }
+}
diff --git a/bridges/snowbridge/pallets/outbound-queue/runtime-api/Cargo.toml b/bridges/snowbridge/pallets/outbound-queue/runtime-api/Cargo.toml
new file mode 100644
index 0000000000000..0f0bfc4e3580a
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/runtime-api/Cargo.toml
@@ -0,0 +1,38 @@
+[package]
+name = "snowbridge-outbound-queue-runtime-api"
+description = "Snowbridge Outbound Queue Runtime API"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+codec = { version = "3.1.5", package = "parity-scale-codec", features = ["derive"], default-features = false }
+sp-core = { path = "../../../../../substrate/primitives/core", default-features = false }
+sp-std = { path = "../../../../../substrate/primitives/std", default-features = false }
+sp-api = { path = "../../../../../substrate/primitives/api", default-features = false }
+frame-support = { path = "../../../../../substrate/frame/support", default-features = false }
+xcm = { package = "staging-xcm", path = "../../../../../polkadot/xcm", default-features = false }
+snowbridge-outbound-queue-merkle-tree = { path = "../merkle-tree", default-features = false }
+snowbridge-core = { path = "../../../primitives/core", default-features = false }
+
+[features]
+default = ["std"]
+std = [
+ "codec/std",
+ "frame-support/std",
+ "snowbridge-core/std",
+ "snowbridge-outbound-queue-merkle-tree/std",
+ "sp-api/std",
+ "sp-core/std",
+ "sp-std/std",
+ "xcm/std",
+]
diff --git a/bridges/snowbridge/pallets/outbound-queue/runtime-api/README.md b/bridges/snowbridge/pallets/outbound-queue/runtime-api/README.md
new file mode 100644
index 0000000000000..98ae01fb33dad
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/runtime-api/README.md
@@ -0,0 +1,6 @@
+# Ethereum Outbound Queue Runtime API
+
+Provides an API:
+
+- to generate merkle proofs for outbound messages
+- calculate delivery fee for delivering messages to Ethereum
diff --git a/bridges/snowbridge/pallets/outbound-queue/runtime-api/src/lib.rs b/bridges/snowbridge/pallets/outbound-queue/runtime-api/src/lib.rs
new file mode 100644
index 0000000000000..51f46a7b49c88
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/runtime-api/src/lib.rs
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use frame_support::traits::tokens::Balance as BalanceT;
+use snowbridge_core::outbound::Message;
+use snowbridge_outbound_queue_merkle_tree::MerkleProof;
+
+sp_api::decl_runtime_apis! {
+ pub trait OutboundQueueApi<Balance> where Balance: BalanceT
+ {
+ /// Generate a merkle proof for a committed message identified by `leaf_index`.
+ /// The merkle root is stored in the block header as a
+ /// `\[`sp_runtime::generic::DigestItem::Other`\]`
+ fn prove_message(leaf_index: u64) -> Option<MerkleProof>;
+
+ /// Calculate the delivery fee for `message`
+ fn calculate_fee(message: Message) -> Option<Balance>;
+ }
+}
diff --git a/bridges/snowbridge/pallets/outbound-queue/src/api.rs b/bridges/snowbridge/pallets/outbound-queue/src/api.rs
new file mode 100644
index 0000000000000..44d63f1e2d23f
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/src/api.rs
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Helpers for implementing runtime api
+
+use crate::{Config, MessageLeaves};
+use frame_support::storage::StorageStreamIter;
+use snowbridge_core::outbound::{Message, SendMessage};
+use snowbridge_outbound_queue_merkle_tree::{merkle_proof, MerkleProof};
+
+pub fn prove_message<T>(leaf_index: u64) -> Option<MerkleProof>
+where
+ T: Config,
+{
+ if !MessageLeaves::<T>::exists() {
+ return None
+ }
+ let proof =
+ merkle_proof::<<T as Config>::Hashing, _>(MessageLeaves::<T>::stream_iter(), leaf_index);
+ Some(proof)
+}
+
+pub fn calculate_fee<T>(message: Message) -> Option<T::Balance>
+where
+ T: Config,
+{
+ match crate::Pallet::<T>::validate(&message) {
+ Ok((_, fees)) => Some(fees.total()),
+ _ => None,
+ }
+}
diff --git a/bridges/snowbridge/pallets/outbound-queue/src/benchmarking.rs b/bridges/snowbridge/pallets/outbound-queue/src/benchmarking.rs
new file mode 100644
index 0000000000000..ee5754e86962f
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/src/benchmarking.rs
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use super::*;
+
+use bridge_hub_common::AggregateMessageOrigin;
+use codec::Encode;
+use frame_benchmarking::v2::*;
+use snowbridge_core::{
+ outbound::{Command, Initializer},
+ ChannelId,
+};
+use sp_core::{H160, H256};
+
+#[allow(unused_imports)]
+use crate::Pallet as OutboundQueue;
+
+#[benchmarks(
+ where
+ <T as Config>::MaxMessagePayloadSize: Get<u32>,
+)]
+mod benchmarks {
+ use super::*;
+
+ /// Benchmark for processing a message.
+ #[benchmark]
+ fn do_process_message() -> Result<(), BenchmarkError> {
+ let enqueued_message = QueuedMessage {
+ id: H256::zero(),
+ channel_id: ChannelId::from([1; 32]),
+ command: Command::Upgrade {
+ impl_address: H160::zero(),
+ impl_code_hash: H256::zero(),
+ initializer: Some(Initializer {
+ params: [7u8; 256].into_iter().collect(),
+ maximum_required_gas: 200_000,
+ }),
+ },
+ };
+ let origin = AggregateMessageOrigin::Snowbridge([1; 32].into());
+ let encoded_enqueued_message = enqueued_message.encode();
+
+ #[block]
+ {
+ let _ = OutboundQueue::<T>::do_process_message(origin, &encoded_enqueued_message);
+ }
+
+ assert_eq!(MessageLeaves::<T>::decode_len().unwrap(), 1);
+
+ Ok(())
+ }
+
+ /// Benchmark for producing final messages commitment
+ #[benchmark]
+ fn commit() -> Result<(), BenchmarkError> {
+ // Assume worst case, where `MaxMessagesPerBlock` messages need to be committed.
+ for i in 0..T::MaxMessagesPerBlock::get() {
+ let leaf_data: [u8; 1] = [i as u8];
+ let leaf = <T as Config>::Hashing::hash(&leaf_data);
+ MessageLeaves::<T>::append(leaf);
+ }
+
+ #[block]
+ {
+ OutboundQueue::<T>::commit();
+ }
+
+ Ok(())
+ }
+
+ /// Benchmark for producing commitment for a single message
+ #[benchmark]
+ fn commit_single() -> Result<(), BenchmarkError> {
+ let leaf = <T as Config>::Hashing::hash(&[100; 1]);
+ MessageLeaves::<T>::append(leaf);
+
+ #[block]
+ {
+ OutboundQueue::<T>::commit();
+ }
+
+ Ok(())
+ }
+
+ impl_benchmark_test_suite!(OutboundQueue, crate::mock::new_tester(), crate::mock::Test,);
+}
diff --git a/bridges/snowbridge/pallets/outbound-queue/src/lib.rs b/bridges/snowbridge/pallets/outbound-queue/src/lib.rs
new file mode 100644
index 0000000000000..9e949a4791a8a
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/src/lib.rs
@@ -0,0 +1,406 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Pallet for committing outbound messages for delivery to Ethereum
+//!
+//! # Overview
+//!
+//! Messages come either from sibling parachains via XCM, or BridgeHub itself
+//! via the `snowbridge-pallet-system`:
+//!
+//! 1. `snowbridge_router_primitives::outbound::EthereumBlobExporter::deliver`
+//! 2. `snowbridge_pallet_system::Pallet::send`
+//!
+//! The message submission pipeline works like this:
+//! 1. The message is first validated via the implementation for
+//! [`snowbridge_core::outbound::SendMessage::validate`]
+//! 2. The message is then enqueued for later processing via the implementation for
+//! [`snowbridge_core::outbound::SendMessage::deliver`]
+//! 3. The underlying message queue is implemented by [`Config::MessageQueue`]
+//! 4. The message queue delivers messages back to this pallet via the implementation for
+//! [`frame_support::traits::ProcessMessage::process_message`]
+//! 5. The message is processed in `Pallet::do_process_message`: a. Assigned a nonce b. ABI-encoded,
+//! hashed, and stored in the `MessageLeaves` vector
+//! 6. At the end of the block, a merkle root is constructed from all the leaves in `MessageLeaves`.
+//! 7. This merkle root is inserted into the parachain header as a digest item
+//! 8. Offchain relayers are able to relay the message to Ethereum after: a. Generating a merkle
+//! proof for the committed message using the `prove_message` runtime API b. Reading the actual
+//! message content from the `Messages` vector in storage
+//!
+//! On the Ethereum side, the message root is ultimately the thing being
+//! verified by the Polkadot light client.
+//!
+//! # Message Priorities
+//!
+//! The processing of governance commands can never be halted. This effectively
+//! allows us to pause processing of normal user messages while still allowing
+//! governance commands to be sent to Ethereum.
+//!
+//! # Fees
+//!
+//! An upfront fee must be paid for delivering a message. This fee covers several
+//! components:
+//! 1. The weight of processing the message locally
+//! 2. The gas refund paid out to relayers for message submission
+//! 3. An additional reward paid out to relayers for message submission
+//!
+//! Messages are weighed to determine the maximum amount of gas they could
+//! consume on Ethereum. Using this upper bound, a final fee can be calculated.
+//!
+//! The fee calculation also requires the following parameters:
+//! * ETH/DOT exchange rate
+//! * Ether fee per unit of gas
+//!
+//! By design, it is expected that governance should manually update these
+//! parameters every few weeks using the `set_pricing_parameters` extrinsic in the
+//! system pallet.
+//!
+//! ## Fee Computation Function
+//!
+//! ```text
+//! LocalFee(Message) = WeightToFee(ProcessMessageWeight(Message))
+//! RemoteFee(Message) = MaxGasRequired(Message) * FeePerGas + Reward
+//! Fee(Message) = LocalFee(Message) + (RemoteFee(Message) / Ratio("ETH/DOT"))
+//! ```
+//!
+//! By design, the computed fee is always going to conservative, to cover worst-case
+//! costs of dispatch on Ethereum. In future iterations of the design, we will optimize
+//! this, or provide a mechanism to asynchronously refund a portion of collected fees.
+//!
+//! # Extrinsics
+//!
+//! * [`Call::set_operating_mode`]: Set the operating mode
+//!
+//! # Runtime API
+//!
+//! * `prove_message`: Generate a merkle proof for a committed message
+//! * `calculate_fee`: Calculate the delivery fee for a message
+#![cfg_attr(not(feature = "std"), no_std)]
+pub mod api;
+pub mod process_message_impl;
+pub mod send_message_impl;
+pub mod types;
+pub mod weights;
+
+#[cfg(feature = "runtime-benchmarks")]
+mod benchmarking;
+
+#[cfg(test)]
+mod mock;
+
+#[cfg(test)]
+mod test;
+
+use bridge_hub_common::{AggregateMessageOrigin, CustomDigestItem};
+use codec::Decode;
+use frame_support::{
+ storage::StorageStreamIter,
+ traits::{tokens::Balance, Contains, Defensive, EnqueueMessage, Get, ProcessMessageError},
+ weights::{Weight, WeightToFee},
+};
+use snowbridge_core::{
+ outbound::{Fee, GasMeter, QueuedMessage, VersionedQueuedMessage, ETHER_DECIMALS},
+ BasicOperatingMode, ChannelId,
+};
+use snowbridge_outbound_queue_merkle_tree::merkle_root;
+pub use snowbridge_outbound_queue_merkle_tree::MerkleProof;
+use sp_core::{H256, U256};
+use sp_runtime::{
+ traits::{CheckedDiv, Hash},
+ DigestItem,
+};
+use sp_std::prelude::*;
+pub use types::{CommittedMessage, ProcessMessageOriginOf};
+pub use weights::WeightInfo;
+
+pub use pallet::*;
+
+#[frame_support::pallet]
+pub mod pallet {
+ use super::*;
+ use frame_support::pallet_prelude::*;
+ use frame_system::pallet_prelude::*;
+ use snowbridge_core::PricingParameters;
+ use sp_arithmetic::FixedU128;
+
+ #[pallet::pallet]
+ pub struct Pallet<T>(_);
+
+ #[pallet::config]
+ pub trait Config: frame_system::Config {
+ type RuntimeEvent: From<Event<Self>> + IsType<<Self as frame_system::Config>::RuntimeEvent>;
+
+ type Hashing: Hash<Output = H256>;
+
+ type MessageQueue: EnqueueMessage<AggregateMessageOrigin>;
+
+ /// Measures the maximum gas used to execute a command on Ethereum
+ type GasMeter: GasMeter;
+
+ type Balance: Balance + From<u128>;
+
+ /// Number of decimal places in native currency
+ #[pallet::constant]
+ type Decimals: Get<u8>;
+
+ /// Max bytes in a message payload
+ #[pallet::constant]
+ type MaxMessagePayloadSize: Get<u32>;
+
+ /// Max number of messages processed per block
+ #[pallet::constant]
+ type MaxMessagesPerBlock: Get<u32>;
+
+ /// Check whether a channel exists
+ type Channels: Contains<ChannelId>;
+
+ type PricingParameters: Get<PricingParameters<Self::Balance>>;
+
+ /// Convert a weight value into a deductible fee based.
+ type WeightToFee: WeightToFee<Balance = Self::Balance>;
+
+ /// Weight information for extrinsics in this pallet
+ type WeightInfo: WeightInfo;
+ }
+
+ #[pallet::event]
+ #[pallet::generate_deposit(pub(super) fn deposit_event)]
+ pub enum Event<T: Config> {
+ /// Message has been queued and will be processed in the future
+ MessageQueued {
+ /// ID of the message. Usually the XCM message hash or a SetTopic.
+ id: H256,
+ },
+ /// Message will be committed at the end of current block. From now on, to track the
+ /// progress the message, use the `nonce` of `id`.
+ MessageAccepted {
+ /// ID of the message
+ id: H256,
+ /// The nonce assigned to this message
+ nonce: u64,
+ },
+ /// Some messages have been committed
+ MessagesCommitted {
+ /// Merkle root of the committed messages
+ root: H256,
+ /// number of committed messages
+ count: u64,
+ },
+ /// Set OperatingMode
+ OperatingModeChanged { mode: BasicOperatingMode },
+ }
+
+ #[pallet::error]
+ pub enum Error<T> {
+ /// The message is too large
+ MessageTooLarge,
+ /// The pallet is halted
+ Halted,
+ /// Invalid Channel
+ InvalidChannel,
+ }
+
+ /// Messages to be committed in the current block. This storage value is killed in
+ /// `on_initialize`, so should never go into block PoV.
+ ///
+ /// Is never read in the runtime, only by offchain message relayers.
+ ///
+ /// Inspired by the `frame_system::Pallet::Events` storage value
+ #[pallet::storage]
+ #[pallet::unbounded]
+ pub(super) type Messages<T: Config> = StorageValue<_, Vec<CommittedMessage>, ValueQuery>;
+
+ /// Hashes of the ABI-encoded messages in the [`Messages`] storage value. Used to generate a
+ /// merkle root during `on_finalize`. This storage value is killed in
+ /// `on_initialize`, so should never go into block PoV.
+ #[pallet::storage]
+ #[pallet::unbounded]
+ #[pallet::getter(fn message_leaves)]
+ pub(super) type MessageLeaves<T: Config> = StorageValue<_, Vec<H256>, ValueQuery>;
+
+ /// The current nonce for each message origin
+ #[pallet::storage]
+ pub type Nonce<T: Config> = StorageMap<_, Twox64Concat, ChannelId, u64, ValueQuery>;
+
+ /// The current operating mode of the pallet.
+ #[pallet::storage]
+ #[pallet::getter(fn operating_mode)]
+ pub type OperatingMode<T: Config> = StorageValue<_, BasicOperatingMode, ValueQuery>;
+
+ #[pallet::hooks]
+ impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T>
+ where
+ T::AccountId: AsRef<[u8]>,
+ {
+ fn on_initialize(_: BlockNumberFor<T>) -> Weight {
+ // Remove storage from previous block
+ Messages::<T>::kill();
+ MessageLeaves::<T>::kill();
+ // Reserve some weight for the `on_finalize` handler
+ T::WeightInfo::commit()
+ }
+
+ fn on_finalize(_: BlockNumberFor<T>) {
+ Self::commit();
+ }
+
+ fn integrity_test() {
+ let decimals = T::Decimals::get();
+ assert!(decimals == 10 || decimals == 12, "Decimals should be 10 or 12");
+ }
+ }
+
+ #[pallet::call]
+ impl<T: Config> Pallet<T> {
+ /// Halt or resume all pallet operations. May only be called by root.
+ #[pallet::call_index(0)]
+ #[pallet::weight((T::DbWeight::get().reads_writes(1, 1), DispatchClass::Operational))]
+ pub fn set_operating_mode(
+ origin: OriginFor<T>,
+ mode: BasicOperatingMode,
+ ) -> DispatchResult {
+ ensure_root(origin)?;
+ OperatingMode::<T>::put(mode);
+ Self::deposit_event(Event::OperatingModeChanged { mode });
+ Ok(())
+ }
+ }
+
+ impl<T: Config> Pallet<T> {
+ /// Generate a messages commitment and insert it into the header digest
+ pub(crate) fn commit() {
+ let count = MessageLeaves::<T>::decode_len().unwrap_or_default() as u64;
+ if count == 0 {
+ return
+ }
+
+ // Create merkle root of messages
+ let root = merkle_root::<<T as Config>::Hashing, _>(MessageLeaves::<T>::stream_iter());
+
+ let digest_item: DigestItem = CustomDigestItem::Snowbridge(root).into();
+
+ // Insert merkle root into the header digest
+ <frame_system::Pallet<T>>::deposit_log(digest_item);
+
+ Self::deposit_event(Event::MessagesCommitted { root, count });
+ }
+
+ /// Process a message delivered by the MessageQueue pallet
+ pub(crate) fn do_process_message(
+ _: ProcessMessageOriginOf<T>,
+ mut message: &[u8],
+ ) -> Result<bool, ProcessMessageError> {
+ use ProcessMessageError::*;
+
+ // Yield if the maximum number of messages has been processed this block.
+ // This ensures that the weight of `on_finalize` has a known maximum bound.
+ ensure!(
+ MessageLeaves::<T>::decode_len().unwrap_or(0) <
+ T::MaxMessagesPerBlock::get() as usize,
+ Yield
+ );
+
+ // Decode bytes into versioned message
+ let versioned_queued_message: VersionedQueuedMessage =
+ VersionedQueuedMessage::decode(&mut message).map_err(|_| Corrupt)?;
+
+ // Convert versioned message into latest supported message version
+ let queued_message: QueuedMessage =
+ versioned_queued_message.try_into().map_err(|_| Unsupported)?;
+
+ // Obtain next nonce
+ let nonce = <Nonce<T>>::try_mutate(
+ queued_message.channel_id,
+ |nonce| -> Result<u64, ProcessMessageError> {
+ *nonce = nonce.checked_add(1).ok_or(Unsupported)?;
+ Ok(*nonce)
+ },
+ )?;
+
+ let pricing_params = T::PricingParameters::get();
+ let command = queued_message.command.index();
+ let params = queued_message.command.abi_encode();
+ let max_dispatch_gas =
+ T::GasMeter::maximum_dispatch_gas_used_at_most(&queued_message.command);
+ let reward = pricing_params.rewards.remote;
+
+ // Construct the final committed message
+ let message = CommittedMessage {
+ channel_id: queued_message.channel_id,
+ nonce,
+ command,
+ params,
+ max_dispatch_gas,
+ max_fee_per_gas: pricing_params
+ .fee_per_gas
+ .try_into()
+ .defensive_unwrap_or(u128::MAX),
+ reward: reward.try_into().defensive_unwrap_or(u128::MAX),
+ id: queued_message.id,
+ };
+
+ // ABI-encode and hash the prepared message
+ let message_abi_encoded = ethabi::encode(&[message.clone().into()]);
+ let message_abi_encoded_hash = <T as Config>::Hashing::hash(&message_abi_encoded);
+
+ Messages::<T>::append(Box::new(message));
+ MessageLeaves::<T>::append(message_abi_encoded_hash);
+
+ Self::deposit_event(Event::MessageAccepted { id: queued_message.id, nonce });
+
+ Ok(true)
+ }
+
+ /// Calculate total fee in native currency to cover all costs of delivering a message to the
+ /// remote destination. See module-level documentation for more details.
+ pub(crate) fn calculate_fee(
+ gas_used_at_most: u64,
+ params: PricingParameters<T::Balance>,
+ ) -> Fee<T::Balance> {
+ // Remote fee in ether
+ let fee = Self::calculate_remote_fee(
+ gas_used_at_most,
+ params.fee_per_gas,
+ params.rewards.remote,
+ );
+
+ // downcast to u128
+ let fee: u128 = fee.try_into().defensive_unwrap_or(u128::MAX);
+
+ // convert to local currency
+ let fee = FixedU128::from_inner(fee)
+ .checked_div(¶ms.exchange_rate)
+ .expect("exchange rate is not zero; qed")
+ .into_inner();
+
+ // adjust fixed point to match local currency
+ let fee = Self::convert_from_ether_decimals(fee);
+
+ Fee::from((Self::calculate_local_fee(), fee))
+ }
+
+ /// Calculate fee in remote currency for dispatching a message on Ethereum
+ pub(crate) fn calculate_remote_fee(
+ gas_used_at_most: u64,
+ fee_per_gas: U256,
+ reward: U256,
+ ) -> U256 {
+ fee_per_gas.saturating_mul(gas_used_at_most.into()).saturating_add(reward)
+ }
+
+ /// The local component of the message processing fees in native currency
+ pub(crate) fn calculate_local_fee() -> T::Balance {
+ T::WeightToFee::weight_to_fee(
+ &T::WeightInfo::do_process_message().saturating_add(T::WeightInfo::commit_single()),
+ )
+ }
+
+ // 1 DOT has 10 digits of precision
+ // 1 KSM has 12 digits of precision
+ // 1 ETH has 18 digits of precision
+ pub(crate) fn convert_from_ether_decimals(value: u128) -> T::Balance {
+ let decimals = ETHER_DECIMALS.saturating_sub(T::Decimals::get()) as u32;
+ let denom = 10u128.saturating_pow(decimals);
+ value.checked_div(denom).expect("divisor is non-zero; qed").into()
+ }
+ }
+}
diff --git a/bridges/snowbridge/pallets/outbound-queue/src/mock.rs b/bridges/snowbridge/pallets/outbound-queue/src/mock.rs
new file mode 100644
index 0000000000000..dd8fee4e2ed08
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/src/mock.rs
@@ -0,0 +1,189 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use super::*;
+
+use frame_support::{
+ parameter_types,
+ traits::{Everything, Hooks},
+ weights::IdentityFee,
+};
+
+use snowbridge_core::{
+ gwei, meth,
+ outbound::*,
+ pricing::{PricingParameters, Rewards},
+ ParaId, PRIMARY_GOVERNANCE_CHANNEL,
+};
+use sp_core::{ConstU32, ConstU8, H160, H256};
+use sp_runtime::{
+ traits::{BlakeTwo256, IdentityLookup, Keccak256},
+ AccountId32, BuildStorage, FixedU128,
+};
+use sp_std::marker::PhantomData;
+
+type Block = frame_system::mocking::MockBlock<Test>;
+type AccountId = AccountId32;
+
+frame_support::construct_runtime!(
+ pub enum Test
+ {
+ System: frame_system::{Pallet, Call, Storage, Event<T>},
+ MessageQueue: pallet_message_queue::{Pallet, Call, Storage, Event<T>},
+ OutboundQueue: crate::{Pallet, Storage, Event<T>},
+ }
+);
+
+parameter_types! {
+ pub const BlockHashCount: u64 = 250;
+}
+
+impl frame_system::Config for Test {
+ type BaseCallFilter = Everything;
+ type BlockWeights = ();
+ type BlockLength = ();
+ type RuntimeOrigin = RuntimeOrigin;
+ type RuntimeCall = RuntimeCall;
+ type RuntimeTask = RuntimeTask;
+ type Hash = H256;
+ type Hashing = BlakeTwo256;
+ type AccountId = AccountId;
+ type Lookup = IdentityLookup<Self::AccountId>;
+ type RuntimeEvent = RuntimeEvent;
+ type BlockHashCount = BlockHashCount;
+ type DbWeight = ();
+ type Version = ();
+ type PalletInfo = PalletInfo;
+ type AccountData = ();
+ type OnNewAccount = ();
+ type OnKilledAccount = ();
+ type SystemWeightInfo = ();
+ type SS58Prefix = ();
+ type OnSetCode = ();
+ type MaxConsumers = frame_support::traits::ConstU32<16>;
+ type Nonce = u64;
+ type Block = Block;
+}
+
+parameter_types! {
+ pub const HeapSize: u32 = 32 * 1024;
+ pub const MaxStale: u32 = 32;
+ pub static ServiceWeight: Option<Weight> = Some(Weight::from_parts(100, 100));
+}
+
+impl pallet_message_queue::Config for Test {
+ type RuntimeEvent = RuntimeEvent;
+ type WeightInfo = ();
+ type MessageProcessor = OutboundQueue;
+ type Size = u32;
+ type QueueChangeHandler = ();
+ type HeapSize = HeapSize;
+ type MaxStale = MaxStale;
+ type ServiceWeight = ServiceWeight;
+ type QueuePausedQuery = ();
+}
+
+parameter_types! {
+ pub const OwnParaId: ParaId = ParaId::new(1013);
+ pub Parameters: PricingParameters<u128> = PricingParameters {
+ exchange_rate: FixedU128::from_rational(1, 400),
+ fee_per_gas: gwei(20),
+ rewards: Rewards { local: DOT, remote: meth(1) }
+ };
+}
+
+pub const DOT: u128 = 10_000_000_000;
+
+impl crate::Config for Test {
+ type RuntimeEvent = RuntimeEvent;
+ type Hashing = Keccak256;
+ type MessageQueue = MessageQueue;
+ type Decimals = ConstU8<12>;
+ type MaxMessagePayloadSize = ConstU32<1024>;
+ type MaxMessagesPerBlock = ConstU32<20>;
+ type GasMeter = ConstantGasMeter;
+ type Balance = u128;
+ type PricingParameters = Parameters;
+ type Channels = Everything;
+ type WeightToFee = IdentityFee<u128>;
+ type WeightInfo = ();
+}
+
+fn setup() {
+ System::set_block_number(1);
+}
+
+pub fn new_tester() -> sp_io::TestExternalities {
+ let storage = frame_system::GenesisConfig::<Test>::default().build_storage().unwrap();
+ let mut ext: sp_io::TestExternalities = storage.into();
+ ext.execute_with(setup);
+ ext
+}
+
+pub fn run_to_end_of_next_block() {
+ // finish current block
+ MessageQueue::on_finalize(System::block_number());
+ OutboundQueue::on_finalize(System::block_number());
+ System::on_finalize(System::block_number());
+ // start next block
+ System::set_block_number(System::block_number() + 1);
+ System::on_initialize(System::block_number());
+ OutboundQueue::on_initialize(System::block_number());
+ MessageQueue::on_initialize(System::block_number());
+ // finish next block
+ MessageQueue::on_finalize(System::block_number());
+ OutboundQueue::on_finalize(System::block_number());
+ System::on_finalize(System::block_number());
+}
+
+pub fn mock_governance_message<T>() -> Message
+where
+ T: Config,
+{
+ let _marker = PhantomData::<T>; // for clippy
+
+ Message {
+ id: None,
+ channel_id: PRIMARY_GOVERNANCE_CHANNEL,
+ command: Command::Upgrade {
+ impl_address: H160::zero(),
+ impl_code_hash: H256::zero(),
+ initializer: None,
+ },
+ }
+}
+
+// Message should fail validation as it is too large
+pub fn mock_invalid_governance_message<T>() -> Message
+where
+ T: Config,
+{
+ let _marker = PhantomData::<T>; // for clippy
+
+ Message {
+ id: None,
+ channel_id: PRIMARY_GOVERNANCE_CHANNEL,
+ command: Command::Upgrade {
+ impl_address: H160::zero(),
+ impl_code_hash: H256::zero(),
+ initializer: Some(Initializer {
+ params: (0..1000).map(|_| 1u8).collect::<Vec<u8>>(),
+ maximum_required_gas: 0,
+ }),
+ },
+ }
+}
+
+pub fn mock_message(sibling_para_id: u32) -> Message {
+ Message {
+ id: None,
+ channel_id: ParaId::from(sibling_para_id).into(),
+ command: Command::AgentExecute {
+ agent_id: Default::default(),
+ command: AgentExecuteCommand::TransferToken {
+ token: Default::default(),
+ recipient: Default::default(),
+ amount: 0,
+ },
+ },
+ }
+}
diff --git a/bridges/snowbridge/pallets/outbound-queue/src/process_message_impl.rs b/bridges/snowbridge/pallets/outbound-queue/src/process_message_impl.rs
new file mode 100644
index 0000000000000..731aa6fa6d5ca
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/src/process_message_impl.rs
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Implementation for [`frame_support::traits::ProcessMessage`]
+use super::*;
+use crate::weights::WeightInfo;
+use frame_support::{
+ traits::{ProcessMessage, ProcessMessageError},
+ weights::WeightMeter,
+};
+
+impl<T: Config> ProcessMessage for Pallet<T> {
+ type Origin = AggregateMessageOrigin;
+ fn process_message(
+ message: &[u8],
+ origin: Self::Origin,
+ meter: &mut WeightMeter,
+ _: &mut [u8; 32],
+ ) -> Result<bool, ProcessMessageError> {
+ let weight = T::WeightInfo::do_process_message();
+ if meter.try_consume(weight).is_err() {
+ return Err(ProcessMessageError::Overweight(weight))
+ }
+ Self::do_process_message(origin, message)
+ }
+}
diff --git a/bridges/snowbridge/pallets/outbound-queue/src/send_message_impl.rs b/bridges/snowbridge/pallets/outbound-queue/src/send_message_impl.rs
new file mode 100644
index 0000000000000..03be61819973d
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/src/send_message_impl.rs
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Implementation for [`snowbridge_core::outbound::SendMessage`]
+use super::*;
+use bridge_hub_common::AggregateMessageOrigin;
+use codec::Encode;
+use frame_support::{
+ ensure,
+ traits::{EnqueueMessage, Get},
+ CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound,
+};
+use frame_system::unique;
+use snowbridge_core::{
+ outbound::{
+ Fee, Message, QueuedMessage, SendError, SendMessage, SendMessageFeeProvider,
+ VersionedQueuedMessage,
+ },
+ ChannelId, PRIMARY_GOVERNANCE_CHANNEL,
+};
+use sp_core::H256;
+use sp_runtime::BoundedVec;
+
+/// The maximal length of an enqueued message, as determined by the MessageQueue pallet
+pub type MaxEnqueuedMessageSizeOf<T> =
+ <<T as Config>::MessageQueue as EnqueueMessage<AggregateMessageOrigin>>::MaxMessageLen;
+
+#[derive(Encode, Decode, CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound)]
+pub struct Ticket<T>
+where
+ T: Config,
+{
+ pub message_id: H256,
+ pub channel_id: ChannelId,
+ pub message: BoundedVec<u8, MaxEnqueuedMessageSizeOf<T>>,
+}
+
+impl<T> SendMessage for Pallet<T>
+where
+ T: Config,
+{
+ type Ticket = Ticket<T>;
+
+ fn validate(
+ message: &Message,
+ ) -> Result<(Self::Ticket, Fee<<Self as SendMessageFeeProvider>::Balance>), SendError> {
+ // The inner payload should not be too large
+ let payload = message.command.abi_encode();
+ ensure!(
+ payload.len() < T::MaxMessagePayloadSize::get() as usize,
+ SendError::MessageTooLarge
+ );
+
+ // Ensure there is a registered channel we can transmit this message on
+ ensure!(T::Channels::contains(&message.channel_id), SendError::InvalidChannel);
+
+ // Generate a unique message id unless one is provided
+ let message_id: H256 = message
+ .id
+ .unwrap_or_else(|| unique((message.channel_id, &message.command)).into());
+
+ let gas_used_at_most = T::GasMeter::maximum_gas_used_at_most(&message.command);
+ let fee = Self::calculate_fee(gas_used_at_most, T::PricingParameters::get());
+
+ let queued_message: VersionedQueuedMessage = QueuedMessage {
+ id: message_id,
+ channel_id: message.channel_id,
+ command: message.command.clone(),
+ }
+ .into();
+ // The whole message should not be too large
+ let encoded = queued_message.encode().try_into().map_err(|_| SendError::MessageTooLarge)?;
+
+ let ticket = Ticket { message_id, channel_id: message.channel_id, message: encoded };
+
+ Ok((ticket, fee))
+ }
+
+ fn deliver(ticket: Self::Ticket) -> Result<H256, SendError> {
+ let origin = AggregateMessageOrigin::Snowbridge(ticket.channel_id);
+
+ if ticket.channel_id != PRIMARY_GOVERNANCE_CHANNEL {
+ ensure!(!Self::operating_mode().is_halted(), SendError::Halted);
+ }
+
+ let message = ticket.message.as_bounded_slice();
+
+ T::MessageQueue::enqueue_message(message, origin);
+ Self::deposit_event(Event::MessageQueued { id: ticket.message_id });
+ Ok(ticket.message_id)
+ }
+}
+
+impl<T: Config> SendMessageFeeProvider for Pallet<T> {
+ type Balance = T::Balance;
+
+ /// The local component of the message processing fees in native currency
+ fn local_fee() -> Self::Balance {
+ Self::calculate_local_fee()
+ }
+}
diff --git a/bridges/snowbridge/pallets/outbound-queue/src/test.rs b/bridges/snowbridge/pallets/outbound-queue/src/test.rs
new file mode 100644
index 0000000000000..8ed4a318d68e9
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/src/test.rs
@@ -0,0 +1,312 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use crate::{mock::*, *};
+
+use frame_support::{
+ assert_err, assert_noop, assert_ok,
+ traits::{Hooks, ProcessMessage, ProcessMessageError},
+ weights::WeightMeter,
+};
+
+use codec::Encode;
+use snowbridge_core::{
+ outbound::{Command, SendError, SendMessage},
+ ParaId, PricingParameters, Rewards,
+};
+use sp_arithmetic::FixedU128;
+use sp_core::H256;
+use sp_runtime::FixedPointNumber;
+
+#[test]
+fn submit_messages_and_commit() {
+ new_tester().execute_with(|| {
+ for para_id in 1000..1004 {
+ let message = mock_message(para_id);
+ let (ticket, _) = OutboundQueue::validate(&message).unwrap();
+ assert_ok!(OutboundQueue::deliver(ticket));
+ }
+
+ ServiceWeight::set(Some(Weight::MAX));
+ run_to_end_of_next_block();
+
+ for para_id in 1000..1004 {
+ let origin: ParaId = (para_id as u32).into();
+ let channel_id: ChannelId = origin.into();
+ assert_eq!(Nonce::<Test>::get(channel_id), 1);
+ }
+
+ let digest = System::digest();
+ let digest_items = digest.logs();
+ assert!(digest_items.len() == 1 && digest_items[0].as_other().is_some());
+ assert_eq!(Messages::<Test>::decode_len(), Some(4));
+ });
+}
+
+#[test]
+fn submit_message_fail_too_large() {
+ new_tester().execute_with(|| {
+ let message = mock_invalid_governance_message::<Test>();
+ assert_err!(OutboundQueue::validate(&message), SendError::MessageTooLarge);
+ });
+}
+
+#[test]
+fn convert_from_ether_decimals() {
+ assert_eq!(
+ OutboundQueue::convert_from_ether_decimals(1_000_000_000_000_000_000),
+ 1_000_000_000_000
+ );
+}
+
+#[test]
+fn commit_exits_early_if_no_processed_messages() {
+ new_tester().execute_with(|| {
+ // on_finalize should do nothing, nor should it panic
+ OutboundQueue::on_finalize(System::block_number());
+
+ let digest = System::digest();
+ let digest_items = digest.logs();
+ assert_eq!(digest_items.len(), 0);
+ });
+}
+
+#[test]
+fn process_message_yields_on_max_messages_per_block() {
+ new_tester().execute_with(|| {
+ for _ in 0..<Test as Config>::MaxMessagesPerBlock::get() {
+ MessageLeaves::<Test>::append(H256::zero())
+ }
+
+ let channel_id: ChannelId = ParaId::from(1000).into();
+ let origin = AggregateMessageOrigin::Snowbridge(channel_id);
+ let message = QueuedMessage {
+ id: Default::default(),
+ channel_id,
+ command: Command::Upgrade {
+ impl_address: Default::default(),
+ impl_code_hash: Default::default(),
+ initializer: None,
+ },
+ }
+ .encode();
+
+ let mut meter = WeightMeter::new();
+
+ assert_noop!(
+ OutboundQueue::process_message(message.as_slice(), origin, &mut meter, &mut [0u8; 32]),
+ ProcessMessageError::Yield
+ );
+ })
+}
+
+#[test]
+fn process_message_fails_on_max_nonce_reached() {
+ new_tester().execute_with(|| {
+ let sibling_id = 1000;
+ let channel_id: ChannelId = ParaId::from(sibling_id).into();
+ let origin = AggregateMessageOrigin::Snowbridge(channel_id);
+ let message: QueuedMessage = QueuedMessage {
+ id: H256::zero(),
+ channel_id,
+ command: mock_message(sibling_id).command,
+ };
+ let versioned_queued_message: VersionedQueuedMessage = message.try_into().unwrap();
+ let encoded = versioned_queued_message.encode();
+ let mut meter = WeightMeter::with_limit(Weight::MAX);
+
+ Nonce::<Test>::set(channel_id, u64::MAX);
+
+ assert_noop!(
+ OutboundQueue::process_message(encoded.as_slice(), origin, &mut meter, &mut [0u8; 32]),
+ ProcessMessageError::Unsupported
+ );
+ })
+}
+
+#[test]
+fn process_message_fails_on_overweight_message() {
+ new_tester().execute_with(|| {
+ let sibling_id = 1000;
+ let channel_id: ChannelId = ParaId::from(sibling_id).into();
+ let origin = AggregateMessageOrigin::Snowbridge(channel_id);
+ let message: QueuedMessage = QueuedMessage {
+ id: H256::zero(),
+ channel_id,
+ command: mock_message(sibling_id).command,
+ };
+ let versioned_queued_message: VersionedQueuedMessage = message.try_into().unwrap();
+ let encoded = versioned_queued_message.encode();
+ let mut meter = WeightMeter::with_limit(Weight::from_parts(1, 1));
+ assert_noop!(
+ OutboundQueue::process_message(encoded.as_slice(), origin, &mut meter, &mut [0u8; 32]),
+ ProcessMessageError::Overweight(<Test as Config>::WeightInfo::do_process_message())
+ );
+ })
+}
+
+// Governance messages should be able to bypass a halted operating mode
+// Other message sends should fail when halted
+#[test]
+fn submit_upgrade_message_success_when_queue_halted() {
+ new_tester().execute_with(|| {
+ // halt the outbound queue
+ OutboundQueue::set_operating_mode(RuntimeOrigin::root(), BasicOperatingMode::Halted)
+ .unwrap();
+
+ // submit a high priority message from bridge_hub should success
+ let message = mock_governance_message::<Test>();
+ let (ticket, _) = OutboundQueue::validate(&message).unwrap();
+ assert_ok!(OutboundQueue::deliver(ticket));
+
+ // submit a low priority message from asset_hub will fail as pallet is halted
+ let message = mock_message(1000);
+ let (ticket, _) = OutboundQueue::validate(&message).unwrap();
+ assert_noop!(OutboundQueue::deliver(ticket), SendError::Halted);
+ });
+}
+
+#[test]
+fn governance_message_does_not_get_the_chance_to_processed_in_same_block_when_congest_of_low_priority_sibling_messages(
+) {
+ use snowbridge_core::PRIMARY_GOVERNANCE_CHANNEL;
+ use AggregateMessageOrigin::*;
+
+ let sibling_id: u32 = 1000;
+ let sibling_channel_id: ChannelId = ParaId::from(sibling_id).into();
+
+ new_tester().execute_with(|| {
+ // submit a lot of low priority messages from asset_hub which will need multiple blocks to
+ // execute(20 messages for each block so 40 required at least 2 blocks)
+ let max_messages = 40;
+ for _ in 0..max_messages {
+ // submit low priority message
+ let message = mock_message(sibling_id);
+ let (ticket, _) = OutboundQueue::validate(&message).unwrap();
+ OutboundQueue::deliver(ticket).unwrap();
+ }
+
+ let footprint = MessageQueue::footprint(Snowbridge(sibling_channel_id));
+ assert_eq!(footprint.storage.count, (max_messages) as u64);
+
+ let message = mock_governance_message::<Test>();
+ let (ticket, _) = OutboundQueue::validate(&message).unwrap();
+ OutboundQueue::deliver(ticket).unwrap();
+
+ // move to next block
+ ServiceWeight::set(Some(Weight::MAX));
+ run_to_end_of_next_block();
+
+ // first process 20 messages from sibling channel
+ let footprint = MessageQueue::footprint(Snowbridge(sibling_channel_id));
+ assert_eq!(footprint.storage.count, 40 - 20);
+
+ // and governance message does not have the chance to execute in same block
+ let footprint = MessageQueue::footprint(Snowbridge(PRIMARY_GOVERNANCE_CHANNEL));
+ assert_eq!(footprint.storage.count, 1);
+
+ // move to next block
+ ServiceWeight::set(Some(Weight::MAX));
+ run_to_end_of_next_block();
+
+ // now governance message get executed in this block
+ let footprint = MessageQueue::footprint(Snowbridge(PRIMARY_GOVERNANCE_CHANNEL));
+ assert_eq!(footprint.storage.count, 0);
+
+ // and this time process 19 messages from sibling channel so we have 1 message left
+ let footprint = MessageQueue::footprint(Snowbridge(sibling_channel_id));
+ assert_eq!(footprint.storage.count, 1);
+
+ // move to the next block, the last 1 message from sibling channel get executed
+ ServiceWeight::set(Some(Weight::MAX));
+ run_to_end_of_next_block();
+ let footprint = MessageQueue::footprint(Snowbridge(sibling_channel_id));
+ assert_eq!(footprint.storage.count, 0);
+ });
+}
+
+#[test]
+fn convert_local_currency() {
+ new_tester().execute_with(|| {
+ let fee: u128 = 1_000_000;
+ let fee1 = FixedU128::from_inner(fee).into_inner();
+ let fee2 = FixedU128::from(fee)
+ .into_inner()
+ .checked_div(FixedU128::accuracy())
+ .expect("accuracy is not zero; qed");
+ assert_eq!(fee, fee1);
+ assert_eq!(fee, fee2);
+ });
+}
+
+#[test]
+fn encode_digest_item_with_correct_index() {
+ new_tester().execute_with(|| {
+ let digest_item: DigestItem = CustomDigestItem::Snowbridge(H256::default()).into();
+ let enum_prefix = match digest_item {
+ DigestItem::Other(data) => data[0],
+ _ => u8::MAX,
+ };
+ assert_eq!(enum_prefix, 0);
+ });
+}
+
+#[test]
+fn encode_digest_item() {
+ new_tester().execute_with(|| {
+ let digest_item: DigestItem = CustomDigestItem::Snowbridge([5u8; 32].into()).into();
+ let digest_item_raw = digest_item.encode();
+ assert_eq!(digest_item_raw[0], 0); // DigestItem::Other
+ assert_eq!(digest_item_raw[2], 0); // CustomDigestItem::Snowbridge
+ assert_eq!(
+ digest_item_raw,
+ [
+ 0, 132, 0, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5
+ ]
+ );
+ });
+}
+
+#[test]
+fn validate_messages_with_fees() {
+ new_tester().execute_with(|| {
+ let message = mock_message(1000);
+ let (_, fee) = OutboundQueue::validate(&message).unwrap();
+ assert_eq!(fee.local, 698000000);
+ assert_eq!(fee.remote, 2680000000000);
+ });
+}
+
+#[test]
+fn test_calculate_fees() {
+ new_tester().execute_with(|| {
+ let gas_used: u64 = 250000;
+ let illegal_price_params: PricingParameters<<Test as Config>::Balance> =
+ PricingParameters {
+ exchange_rate: FixedU128::from_rational(1, 400),
+ fee_per_gas: 10000_u32.into(),
+ rewards: Rewards { local: 1_u32.into(), remote: 1_u32.into() },
+ };
+ let fee = OutboundQueue::calculate_fee(gas_used, illegal_price_params);
+ assert_eq!(fee.local, 698000000);
+ assert_eq!(fee.remote, 1000000);
+ });
+}
+
+#[test]
+fn test_calculate_fees_with_valid_exchange_rate_but_remote_fee_calculated_as_zero() {
+ new_tester().execute_with(|| {
+ let gas_used: u64 = 250000;
+ let illegal_price_params: PricingParameters<<Test as Config>::Balance> =
+ PricingParameters {
+ exchange_rate: FixedU128::from_rational(1, 1),
+ fee_per_gas: 1_u32.into(),
+ rewards: Rewards { local: 1_u32.into(), remote: 1_u32.into() },
+ };
+ let fee = OutboundQueue::calculate_fee(gas_used, illegal_price_params.clone());
+ assert_eq!(fee.local, 698000000);
+ // Though none zero pricing params the remote fee calculated here is invalid
+ // which should be avoided
+ assert_eq!(fee.remote, 0);
+ });
+}
diff --git a/bridges/snowbridge/pallets/outbound-queue/src/types.rs b/bridges/snowbridge/pallets/outbound-queue/src/types.rs
new file mode 100644
index 0000000000000..f65a15d3d2f90
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/src/types.rs
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use codec::{Decode, Encode};
+use ethabi::Token;
+use frame_support::traits::ProcessMessage;
+use scale_info::TypeInfo;
+use sp_core::H256;
+use sp_runtime::RuntimeDebug;
+use sp_std::prelude::*;
+
+use super::Pallet;
+
+use snowbridge_core::ChannelId;
+pub use snowbridge_outbound_queue_merkle_tree::MerkleProof;
+
+pub type ProcessMessageOriginOf<T> = <Pallet<T> as ProcessMessage>::Origin;
+
+pub const LOG_TARGET: &str = "snowbridge-outbound-queue";
+
+/// Message which has been assigned a nonce and will be committed at the end of a block
+#[derive(Encode, Decode, Clone, PartialEq, RuntimeDebug, TypeInfo)]
+pub struct CommittedMessage {
+ /// Message channel
+ pub channel_id: ChannelId,
+ /// Unique nonce to prevent replaying messages
+ #[codec(compact)]
+ pub nonce: u64,
+ /// Command to execute in the Gateway contract
+ pub command: u8,
+ /// Params for the command
+ pub params: Vec<u8>,
+ /// Maximum gas allowed for message dispatch
+ #[codec(compact)]
+ pub max_dispatch_gas: u64,
+ /// Maximum fee per gas
+ #[codec(compact)]
+ pub max_fee_per_gas: u128,
+ /// Reward in ether for delivering this message, in addition to the gas refund
+ #[codec(compact)]
+ pub reward: u128,
+ /// Message ID (Used for tracing messages across route, has no role in consensus)
+ pub id: H256,
+}
+
+/// Convert message into an ABI-encoded form for delivery to the InboundQueue contract on Ethereum
+impl From<CommittedMessage> for Token {
+ fn from(x: CommittedMessage) -> Token {
+ Token::Tuple(vec![
+ Token::FixedBytes(Vec::from(x.channel_id.as_ref())),
+ Token::Uint(x.nonce.into()),
+ Token::Uint(x.command.into()),
+ Token::Bytes(x.params.to_vec()),
+ Token::Uint(x.max_dispatch_gas.into()),
+ Token::Uint(x.max_fee_per_gas.into()),
+ Token::Uint(x.reward.into()),
+ Token::FixedBytes(Vec::from(x.id.as_ref())),
+ ])
+ }
+}
diff --git a/bridges/snowbridge/pallets/outbound-queue/src/weights.rs b/bridges/snowbridge/pallets/outbound-queue/src/weights.rs
new file mode 100644
index 0000000000000..87eee1a31e87b
--- /dev/null
+++ b/bridges/snowbridge/pallets/outbound-queue/src/weights.rs
@@ -0,0 +1,81 @@
+
+//! Autogenerated weights for `snowbridge-pallet-outbound-queue`
+//!
+//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 4.0.0-dev
+//! DATE: 2023-10-19, STEPS: `2`, REPEAT: `1`, LOW RANGE: `[]`, HIGH RANGE: `[]`
+//! WORST CASE MAP SIZE: `1000000`
+//! HOSTNAME: `192.168.1.7`, CPU: `<UNKNOWN>`
+//! WASM-EXECUTION: `Compiled`, CHAIN: `Some("bridge-hub-rococo-dev")`, DB CACHE: `1024`
+
+// Executed Command:
+// target/release/polkadot-parachain
+// benchmark
+// pallet
+// --chain=bridge-hub-rococo-dev
+// --pallet=snowbridge-pallet-outbound-queue
+// --extrinsic=*
+// --execution=wasm
+// --wasm-execution=compiled
+// --template
+// ../parachain/templates/module-weight-template.hbs
+// --output
+// ../parachain/pallets/outbound-queue/src/weights.rs
+
+#![cfg_attr(rustfmt, rustfmt_skip)]
+#![allow(unused_parens)]
+#![allow(unused_imports)]
+#![allow(missing_docs)]
+
+use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
+use core::marker::PhantomData;
+
+/// Weight functions needed for `snowbridge-pallet-outbound-queue`.
+pub trait WeightInfo {
+ fn do_process_message() -> Weight;
+ fn commit() -> Weight;
+ fn commit_single() -> Weight;
+}
+
+// For backwards compatibility and tests.
+impl WeightInfo for () {
+ /// Storage: EthereumOutboundQueue MessageLeaves (r:1 w:1)
+ /// Proof Skipped: EthereumOutboundQueue MessageLeaves (max_values: Some(1), max_size: None, mode: Measured)
+ /// Storage: EthereumOutboundQueue PendingHighPriorityMessageCount (r:1 w:1)
+ /// Proof: EthereumOutboundQueue PendingHighPriorityMessageCount (max_values: Some(1), max_size: Some(4), added: 499, mode: MaxEncodedLen)
+ /// Storage: EthereumOutboundQueue Nonce (r:1 w:1)
+ /// Proof: EthereumOutboundQueue Nonce (max_values: None, max_size: Some(20), added: 2495, mode: MaxEncodedLen)
+ /// Storage: EthereumOutboundQueue Messages (r:1 w:1)
+ /// Proof Skipped: EthereumOutboundQueue Messages (max_values: Some(1), max_size: None, mode: Measured)
+ fn do_process_message() -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `42`
+ // Estimated: `3485`
+ // Minimum execution time: 39_000_000 picoseconds.
+ Weight::from_parts(39_000_000, 3485)
+ .saturating_add(RocksDbWeight::get().reads(4_u64))
+ .saturating_add(RocksDbWeight::get().writes(4_u64))
+ }
+ /// Storage: EthereumOutboundQueue MessageLeaves (r:1 w:0)
+ /// Proof Skipped: EthereumOutboundQueue MessageLeaves (max_values: Some(1), max_size: None, mode: Measured)
+ /// Storage: System Digest (r:1 w:1)
+ /// Proof Skipped: System Digest (max_values: Some(1), max_size: None, mode: Measured)
+ fn commit() -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `1094`
+ // Estimated: `2579`
+ // Minimum execution time: 28_000_000 picoseconds.
+ Weight::from_parts(28_000_000, 2579)
+ .saturating_add(RocksDbWeight::get().reads(2_u64))
+ .saturating_add(RocksDbWeight::get().writes(1_u64))
+ }
+
+ fn commit_single() -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `1094`
+ // Estimated: `2579`
+ // Minimum execution time: 9_000_000 picoseconds.
+ Weight::from_parts(9_000_000, 1586)
+ .saturating_add(RocksDbWeight::get().reads(2_u64))
+ .saturating_add(RocksDbWeight::get().writes(1_u64))
+ }
+}
diff --git a/bridges/snowbridge/pallets/system/Cargo.toml b/bridges/snowbridge/pallets/system/Cargo.toml
new file mode 100644
index 0000000000000..f365b52e84dbb
--- /dev/null
+++ b/bridges/snowbridge/pallets/system/Cargo.toml
@@ -0,0 +1,87 @@
+[package]
+name = "snowbridge-pallet-system"
+description = "Snowbridge System Pallet"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false, features = [
+ "derive",
+] }
+scale-info = { version = "2.9.0", default-features = false, features = ["derive"] }
+frame-benchmarking = { path = "../../../../substrate/frame/benchmarking", default-features = false, optional = true }
+frame-support = { path = "../../../../substrate/frame/support", default-features = false }
+frame-system = { path = "../../../../substrate/frame/system", default-features = false }
+log = { version = "0.4.20", default-features = false }
+
+sp-core = { path = "../../../../substrate/primitives/core", default-features = false }
+sp-std = { path = "../../../../substrate/primitives/std", default-features = false }
+sp-io = { path = "../../../../substrate/primitives/io", default-features = false }
+sp-runtime = { path = "../../../../substrate/primitives/runtime", default-features = false }
+
+xcm = { package = "staging-xcm", path = "../../../../polkadot/xcm", default-features = false }
+xcm-builder = { package = "staging-xcm-builder", path = "../../../../polkadot/xcm/xcm-builder", default-features = false }
+xcm-executor = { package = "staging-xcm-executor", path = "../../../../polkadot/xcm/xcm-executor", default-features = false }
+
+ethabi = { package = "ethabi-decode", version = "1.0.0", default-features = false }
+snowbridge-core = { path = "../../primitives/core", default-features = false }
+
+[dev-dependencies]
+hex = "0.4.1"
+hex-literal = { version = "0.4.1" }
+pallet-balances = { path = "../../../../substrate/frame/balances" }
+sp-keyring = { path = "../../../../substrate/primitives/keyring" }
+polkadot-primitives = { path = "../../../../polkadot/primitives" }
+pallet-message-queue = { path = "../../../../substrate/frame/message-queue" }
+snowbridge-pallet-outbound-queue = { path = "../outbound-queue" }
+
+[features]
+default = ["std"]
+std = [
+ "codec/std",
+ "ethabi/std",
+ "frame-benchmarking?/std",
+ "frame-support/std",
+ "frame-system/std",
+ "log/std",
+ "scale-info/std",
+ "snowbridge-core/std",
+ "sp-core/std",
+ "sp-io/std",
+ "sp-runtime/std",
+ "sp-std/std",
+ "xcm-builder/std",
+ "xcm-executor/std",
+ "xcm/std",
+]
+runtime-benchmarks = [
+ "frame-benchmarking/runtime-benchmarks",
+ "frame-support/runtime-benchmarks",
+ "frame-system/runtime-benchmarks",
+ "pallet-balances/runtime-benchmarks",
+ "pallet-message-queue/runtime-benchmarks",
+ "polkadot-primitives/runtime-benchmarks",
+ "snowbridge-core/runtime-benchmarks",
+ "snowbridge-pallet-outbound-queue/runtime-benchmarks",
+ "sp-runtime/runtime-benchmarks",
+ "xcm-builder/runtime-benchmarks",
+ "xcm-executor/runtime-benchmarks",
+]
+try-runtime = [
+ "frame-support/try-runtime",
+ "frame-system/try-runtime",
+ "pallet-balances/try-runtime",
+ "pallet-message-queue/try-runtime",
+ "snowbridge-pallet-outbound-queue/try-runtime",
+ "sp-runtime/try-runtime",
+]
diff --git a/bridges/snowbridge/pallets/system/README.md b/bridges/snowbridge/pallets/system/README.md
new file mode 100644
index 0000000000000..5ab11d45eae2e
--- /dev/null
+++ b/bridges/snowbridge/pallets/system/README.md
@@ -0,0 +1,3 @@
+# Ethereum System
+
+Contains management functions to manage functions on Ethereum. For example, creating agents and channels.
diff --git a/bridges/snowbridge/pallets/system/runtime-api/Cargo.toml b/bridges/snowbridge/pallets/system/runtime-api/Cargo.toml
new file mode 100644
index 0000000000000..6d3735f776bfb
--- /dev/null
+++ b/bridges/snowbridge/pallets/system/runtime-api/Cargo.toml
@@ -0,0 +1,36 @@
+[package]
+name = "snowbridge-system-runtime-api"
+description = "Snowbridge System Runtime API"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false, features = [
+ "derive",
+] }
+sp-core = { path = "../../../../../substrate/primitives/core", default-features = false }
+sp-std = { path = "../../../../../substrate/primitives/std", default-features = false }
+sp-api = { path = "../../../../../substrate/primitives/api", default-features = false }
+xcm = { package = "staging-xcm", path = "../../../../../polkadot/xcm", default-features = false }
+snowbridge-core = { path = "../../../primitives/core", default-features = false }
+
+[features]
+default = ["std"]
+std = [
+ "codec/std",
+ "snowbridge-core/std",
+ "sp-api/std",
+ "sp-core/std",
+ "sp-std/std",
+ "xcm/std",
+]
diff --git a/bridges/snowbridge/pallets/system/runtime-api/README.md b/bridges/snowbridge/pallets/system/runtime-api/README.md
new file mode 100644
index 0000000000000..99827c9c2fc28
--- /dev/null
+++ b/bridges/snowbridge/pallets/system/runtime-api/README.md
@@ -0,0 +1,3 @@
+# Ethereum System Runtime API
+
+Provides an API for looking up an agent ID on Ethereum.
diff --git a/bridges/snowbridge/pallets/system/runtime-api/src/lib.rs b/bridges/snowbridge/pallets/system/runtime-api/src/lib.rs
new file mode 100644
index 0000000000000..7f119809546e4
--- /dev/null
+++ b/bridges/snowbridge/pallets/system/runtime-api/src/lib.rs
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use snowbridge_core::AgentId;
+use xcm::VersionedLocation;
+
+sp_api::decl_runtime_apis! {
+ pub trait ControlApi
+ {
+ fn agent_id(location: VersionedLocation) -> Option<AgentId>;
+ }
+}
diff --git a/bridges/snowbridge/pallets/system/src/api.rs b/bridges/snowbridge/pallets/system/src/api.rs
new file mode 100644
index 0000000000000..ef12b03e1d758
--- /dev/null
+++ b/bridges/snowbridge/pallets/system/src/api.rs
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Helpers for implementing runtime api
+
+use snowbridge_core::AgentId;
+use xcm::{prelude::*, VersionedLocation};
+
+use crate::{agent_id_of, Config};
+
+pub fn agent_id<Runtime>(location: VersionedLocation) -> Option<AgentId>
+where
+ Runtime: Config,
+{
+ let location: Location = location.try_into().ok()?;
+ agent_id_of::<Runtime>(&location).ok()
+}
diff --git a/bridges/snowbridge/pallets/system/src/benchmarking.rs b/bridges/snowbridge/pallets/system/src/benchmarking.rs
new file mode 100644
index 0000000000000..ef908ad6a3f9d
--- /dev/null
+++ b/bridges/snowbridge/pallets/system/src/benchmarking.rs
@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Benchmarking setup for pallet-template
+use super::*;
+
+#[allow(unused)]
+use crate::Pallet as SnowbridgeControl;
+use frame_benchmarking::v2::*;
+use frame_system::RawOrigin;
+use snowbridge_core::{eth, outbound::OperatingMode};
+use sp_runtime::SaturatedConversion;
+use xcm::prelude::*;
+
+#[allow(clippy::result_large_err)]
+fn fund_sovereign_account<T: Config>(para_id: ParaId) -> Result<(), BenchmarkError> {
+ let amount: BalanceOf<T> = (10_000_000_000_000_u64).saturated_into::<u128>().saturated_into();
+ let sovereign_account = sibling_sovereign_account::<T>(para_id);
+ T::Token::mint_into(&sovereign_account, amount)?;
+ Ok(())
+}
+
+#[benchmarks]
+mod benchmarks {
+ use super::*;
+
+ #[benchmark]
+ fn upgrade() -> Result<(), BenchmarkError> {
+ let impl_address = H160::repeat_byte(1);
+ let impl_code_hash = H256::repeat_byte(1);
+
+ // Assume 256 bytes passed to initializer
+ let params: Vec<u8> = (0..256).map(|_| 1u8).collect();
+
+ #[extrinsic_call]
+ _(
+ RawOrigin::Root,
+ impl_address,
+ impl_code_hash,
+ Some(Initializer { params, maximum_required_gas: 100000 }),
+ );
+
+ Ok(())
+ }
+
+ #[benchmark]
+ fn set_operating_mode() -> Result<(), BenchmarkError> {
+ #[extrinsic_call]
+ _(RawOrigin::Root, OperatingMode::RejectingOutboundMessages);
+
+ Ok(())
+ }
+
+ #[benchmark]
+ fn set_pricing_parameters() -> Result<(), BenchmarkError> {
+ let params = T::DefaultPricingParameters::get();
+
+ #[extrinsic_call]
+ _(RawOrigin::Root, params);
+
+ Ok(())
+ }
+
+ #[benchmark]
+ fn create_agent() -> Result<(), BenchmarkError> {
+ let origin_para_id = 2000;
+ let origin_location = Location::new(1, [Parachain(origin_para_id)]);
+ let origin = T::Helper::make_xcm_origin(origin_location);
+ fund_sovereign_account::<T>(origin_para_id.into())?;
+
+ #[extrinsic_call]
+ _(origin as T::RuntimeOrigin);
+
+ Ok(())
+ }
+
+ #[benchmark]
+ fn create_channel() -> Result<(), BenchmarkError> {
+ let origin_para_id = 2000;
+ let origin_location = Location::new(1, [Parachain(origin_para_id)]);
+ let origin = T::Helper::make_xcm_origin(origin_location);
+ fund_sovereign_account::<T>(origin_para_id.into())?;
+
+ SnowbridgeControl::<T>::create_agent(origin.clone())?;
+
+ #[extrinsic_call]
+ _(origin as T::RuntimeOrigin, OperatingMode::Normal);
+
+ Ok(())
+ }
+
+ #[benchmark]
+ fn update_channel() -> Result<(), BenchmarkError> {
+ let origin_para_id = 2000;
+ let origin_location = Location::new(1, [Parachain(origin_para_id)]);
+ let origin = T::Helper::make_xcm_origin(origin_location);
+ fund_sovereign_account::<T>(origin_para_id.into())?;
+ SnowbridgeControl::<T>::create_agent(origin.clone())?;
+ SnowbridgeControl::<T>::create_channel(origin.clone(), OperatingMode::Normal)?;
+
+ #[extrinsic_call]
+ _(origin as T::RuntimeOrigin, OperatingMode::RejectingOutboundMessages);
+
+ Ok(())
+ }
+
+ #[benchmark]
+ fn force_update_channel() -> Result<(), BenchmarkError> {
+ let origin_para_id = 2000;
+ let origin_location = Location::new(1, [Parachain(origin_para_id)]);
+ let origin = T::Helper::make_xcm_origin(origin_location);
+ let channel_id: ChannelId = ParaId::from(origin_para_id).into();
+
+ fund_sovereign_account::<T>(origin_para_id.into())?;
+ SnowbridgeControl::<T>::create_agent(origin.clone())?;
+ SnowbridgeControl::<T>::create_channel(origin.clone(), OperatingMode::Normal)?;
+
+ #[extrinsic_call]
+ _(RawOrigin::Root, channel_id, OperatingMode::RejectingOutboundMessages);
+
+ Ok(())
+ }
+
+ #[benchmark]
+ fn transfer_native_from_agent() -> Result<(), BenchmarkError> {
+ let origin_para_id = 2000;
+ let origin_location = Location::new(1, [Parachain(origin_para_id)]);
+ let origin = T::Helper::make_xcm_origin(origin_location);
+ fund_sovereign_account::<T>(origin_para_id.into())?;
+ SnowbridgeControl::<T>::create_agent(origin.clone())?;
+ SnowbridgeControl::<T>::create_channel(origin.clone(), OperatingMode::Normal)?;
+
+ #[extrinsic_call]
+ _(origin as T::RuntimeOrigin, H160::default(), 1);
+
+ Ok(())
+ }
+
+ #[benchmark]
+ fn force_transfer_native_from_agent() -> Result<(), BenchmarkError> {
+ let origin_para_id = 2000;
+ let origin_location = Location::new(1, [Parachain(origin_para_id)]);
+ let origin = T::Helper::make_xcm_origin(origin_location.clone());
+ fund_sovereign_account::<T>(origin_para_id.into())?;
+ SnowbridgeControl::<T>::create_agent(origin.clone())?;
+
+ let versioned_location: VersionedLocation = origin_location.into();
+
+ #[extrinsic_call]
+ _(RawOrigin::Root, Box::new(versioned_location), H160::default(), 1);
+
+ Ok(())
+ }
+
+ #[benchmark]
+ fn set_token_transfer_fees() -> Result<(), BenchmarkError> {
+ #[extrinsic_call]
+ _(RawOrigin::Root, 1, 1, eth(1));
+
+ Ok(())
+ }
+
+ impl_benchmark_test_suite!(
+ SnowbridgeControl,
+ crate::mock::new_test_ext(true),
+ crate::mock::Test
+ );
+}
diff --git a/bridges/snowbridge/pallets/system/src/lib.rs b/bridges/snowbridge/pallets/system/src/lib.rs
new file mode 100644
index 0000000000000..13abee14b4afa
--- /dev/null
+++ b/bridges/snowbridge/pallets/system/src/lib.rs
@@ -0,0 +1,687 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Governance API for controlling the Ethereum side of the bridge
+//!
+//! # Extrinsics
+//!
+//! ## Agents
+//!
+//! Agents are smart contracts on Ethereum that act as proxies for consensus systems on Polkadot
+//! networks.
+//!
+//! * [`Call::create_agent`]: Create agent for a sibling parachain
+//! * [`Call::transfer_native_from_agent`]: Withdraw ether from an agent
+//!
+//! The `create_agent` extrinsic should be called via an XCM `Transact` instruction from the sibling
+//! parachain.
+//!
+//! ## Channels
+//!
+//! Each sibling parachain has its own dedicated messaging channel for sending and receiving
+//! messages. As a prerequisite to creating a channel, the sibling should have already created
+//! an agent using the `create_agent` extrinsic.
+//!
+//! * [`Call::create_channel`]: Create channel for a sibling
+//! * [`Call::update_channel`]: Update a channel for a sibling
+//!
+//! ## Governance
+//!
+//! Only Polkadot governance itself can call these extrinsics. Delivery fees are waived.
+//!
+//! * [`Call::upgrade`]`: Upgrade the gateway contract
+//! * [`Call::set_operating_mode`]: Update the operating mode of the gateway contract
+//! * [`Call::force_update_channel`]: Allow root to update a channel for a sibling
+//! * [`Call::force_transfer_native_from_agent`]: Allow root to withdraw ether from an agent
+//!
+//! Typically, Polkadot governance will use the `force_transfer_native_from_agent` and
+//! `force_update_channel` and extrinsics to manage agents and channels for system parachains.
+#![cfg_attr(not(feature = "std"), no_std)]
+
+pub use pallet::*;
+
+#[cfg(test)]
+mod mock;
+
+#[cfg(test)]
+mod tests;
+
+#[cfg(feature = "runtime-benchmarks")]
+mod benchmarking;
+pub mod migration;
+
+pub mod api;
+pub mod weights;
+pub use weights::*;
+
+use frame_support::{
+ pallet_prelude::*,
+ traits::{
+ fungible::{Inspect, Mutate},
+ tokens::Preservation,
+ Contains, EnsureOrigin,
+ },
+};
+use frame_system::pallet_prelude::*;
+use snowbridge_core::{
+ meth,
+ outbound::{Command, Initializer, Message, OperatingMode, SendError, SendMessage},
+ sibling_sovereign_account, AgentId, Channel, ChannelId, ParaId,
+ PricingParameters as PricingParametersRecord, PRIMARY_GOVERNANCE_CHANNEL,
+ SECONDARY_GOVERNANCE_CHANNEL,
+};
+use sp_core::{RuntimeDebug, H160, H256};
+use sp_io::hashing::blake2_256;
+use sp_runtime::{traits::BadOrigin, DispatchError, SaturatedConversion};
+use sp_std::prelude::*;
+use xcm::prelude::*;
+use xcm_executor::traits::ConvertLocation;
+
+#[cfg(feature = "runtime-benchmarks")]
+use frame_support::traits::OriginTrait;
+
+pub use pallet::*;
+
+pub type BalanceOf<T> =
+ <<T as pallet::Config>::Token as Inspect<<T as frame_system::Config>::AccountId>>::Balance;
+pub type AccountIdOf<T> = <T as frame_system::Config>::AccountId;
+pub type PricingParametersOf<T> = PricingParametersRecord<BalanceOf<T>>;
+
+/// Ensure origin location is a sibling
+fn ensure_sibling<T>(location: &Location) -> Result<(ParaId, H256), DispatchError>
+where
+ T: Config,
+{
+ match location.unpack() {
+ (1, [Parachain(para_id)]) => {
+ let agent_id = agent_id_of::<T>(location)?;
+ Ok(((*para_id).into(), agent_id))
+ },
+ _ => Err(BadOrigin.into()),
+ }
+}
+
+/// Hash the location to produce an agent id
+fn agent_id_of<T: Config>(location: &Location) -> Result<H256, DispatchError> {
+ T::AgentIdOf::convert_location(location).ok_or(Error::<T>::LocationConversionFailed.into())
+}
+
+#[cfg(feature = "runtime-benchmarks")]
+pub trait BenchmarkHelper<O>
+where
+ O: OriginTrait,
+{
+ fn make_xcm_origin(location: Location) -> O;
+}
+
+/// Whether a fee should be withdrawn to an account for sending an outbound message
+#[derive(Clone, PartialEq, RuntimeDebug)]
+pub enum PaysFee<T>
+where
+ T: Config,
+{
+ /// Fully charge includes (local + remote fee)
+ Yes(AccountIdOf<T>),
+ /// Partially charge includes local fee only
+ Partial(AccountIdOf<T>),
+ /// No charge
+ No,
+}
+
+#[frame_support::pallet]
+pub mod pallet {
+ use snowbridge_core::StaticLookup;
+ use sp_core::U256;
+
+ use super::*;
+
+ #[pallet::pallet]
+ pub struct Pallet<T>(_);
+
+ #[pallet::config]
+ pub trait Config: frame_system::Config {
+ type RuntimeEvent: From<Event<Self>> + IsType<<Self as frame_system::Config>::RuntimeEvent>;
+
+ /// Send messages to Ethereum
+ type OutboundQueue: SendMessage<Balance = BalanceOf<Self>>;
+
+ /// Origin check for XCM locations that can create agents
+ type SiblingOrigin: EnsureOrigin<Self::RuntimeOrigin, Success = Location>;
+
+ /// Converts Location to AgentId
+ type AgentIdOf: ConvertLocation<AgentId>;
+
+ /// Token reserved for control operations
+ type Token: Mutate<Self::AccountId>;
+
+ /// TreasuryAccount to collect fees
+ #[pallet::constant]
+ type TreasuryAccount: Get<Self::AccountId>;
+
+ /// Number of decimal places of local currency
+ type DefaultPricingParameters: Get<PricingParametersOf<Self>>;
+
+ /// Cost of delivering a message from Ethereum
+ type InboundDeliveryCost: Get<BalanceOf<Self>>;
+
+ type WeightInfo: WeightInfo;
+
+ #[cfg(feature = "runtime-benchmarks")]
+ type Helper: BenchmarkHelper<Self::RuntimeOrigin>;
+ }
+
+ #[pallet::event]
+ #[pallet::generate_deposit(pub(super) fn deposit_event)]
+ pub enum Event<T: Config> {
+ /// An Upgrade message was sent to the Gateway
+ Upgrade {
+ impl_address: H160,
+ impl_code_hash: H256,
+ initializer_params_hash: Option<H256>,
+ },
+ /// An CreateAgent message was sent to the Gateway
+ CreateAgent {
+ location: Box<Location>,
+ agent_id: AgentId,
+ },
+ /// An CreateChannel message was sent to the Gateway
+ CreateChannel {
+ channel_id: ChannelId,
+ agent_id: AgentId,
+ },
+ /// An UpdateChannel message was sent to the Gateway
+ UpdateChannel {
+ channel_id: ChannelId,
+ mode: OperatingMode,
+ },
+ /// An SetOperatingMode message was sent to the Gateway
+ SetOperatingMode {
+ mode: OperatingMode,
+ },
+ /// An TransferNativeFromAgent message was sent to the Gateway
+ TransferNativeFromAgent {
+ agent_id: AgentId,
+ recipient: H160,
+ amount: u128,
+ },
+ /// A SetTokenTransferFees message was sent to the Gateway
+ SetTokenTransferFees {
+ create_asset_xcm: u128,
+ transfer_asset_xcm: u128,
+ register_token: U256,
+ },
+ PricingParametersChanged {
+ params: PricingParametersOf<T>,
+ },
+ }
+
+ #[pallet::error]
+ pub enum Error<T> {
+ LocationConversionFailed,
+ AgentAlreadyCreated,
+ NoAgent,
+ ChannelAlreadyCreated,
+ NoChannel,
+ UnsupportedLocationVersion,
+ InvalidLocation,
+ Send(SendError),
+ InvalidTokenTransferFees,
+ InvalidPricingParameters,
+ InvalidUpgradeParameters,
+ }
+
+ /// The set of registered agents
+ #[pallet::storage]
+ #[pallet::getter(fn agents)]
+ pub type Agents<T: Config> = StorageMap<_, Twox64Concat, AgentId, (), OptionQuery>;
+
+ /// The set of registered channels
+ #[pallet::storage]
+ #[pallet::getter(fn channels)]
+ pub type Channels<T: Config> = StorageMap<_, Twox64Concat, ChannelId, Channel, OptionQuery>;
+
+ #[pallet::storage]
+ #[pallet::getter(fn parameters)]
+ pub type PricingParameters<T: Config> =
+ StorageValue<_, PricingParametersOf<T>, ValueQuery, T::DefaultPricingParameters>;
+
+ #[pallet::genesis_config]
+ #[derive(frame_support::DefaultNoBound)]
+ pub struct GenesisConfig<T: Config> {
+ // Own parachain id
+ pub para_id: ParaId,
+ // AssetHub's parachain id
+ pub asset_hub_para_id: ParaId,
+ #[serde(skip)]
+ pub _config: PhantomData<T>,
+ }
+
+ #[pallet::genesis_build]
+ impl<T: Config> BuildGenesisConfig for GenesisConfig<T> {
+ fn build(&self) {
+ Pallet::<T>::initialize(self.para_id, self.asset_hub_para_id).expect("infallible; qed");
+ }
+ }
+
+ #[pallet::call]
+ impl<T: Config> Pallet<T> {
+ /// Sends command to the Gateway contract to upgrade itself with a new implementation
+ /// contract
+ ///
+ /// Fee required: No
+ ///
+ /// - `origin`: Must be `Root`.
+ /// - `impl_address`: The address of the implementation contract.
+ /// - `impl_code_hash`: The codehash of the implementation contract.
+ /// - `initializer`: Optionally call an initializer on the implementation contract.
+ #[pallet::call_index(0)]
+ #[pallet::weight((T::WeightInfo::upgrade(), DispatchClass::Operational))]
+ pub fn upgrade(
+ origin: OriginFor<T>,
+ impl_address: H160,
+ impl_code_hash: H256,
+ initializer: Option<Initializer>,
+ ) -> DispatchResult {
+ ensure_root(origin)?;
+
+ ensure!(
+ !impl_address.eq(&H160::zero()) && !impl_code_hash.eq(&H256::zero()),
+ Error::<T>::InvalidUpgradeParameters
+ );
+
+ let initializer_params_hash: Option<H256> =
+ initializer.as_ref().map(|i| H256::from(blake2_256(i.params.as_ref())));
+ let command = Command::Upgrade { impl_address, impl_code_hash, initializer };
+ Self::send(PRIMARY_GOVERNANCE_CHANNEL, command, PaysFee::<T>::No)?;
+
+ Self::deposit_event(Event::<T>::Upgrade {
+ impl_address,
+ impl_code_hash,
+ initializer_params_hash,
+ });
+ Ok(())
+ }
+
+ /// Sends a message to the Gateway contract to change its operating mode
+ ///
+ /// Fee required: No
+ ///
+ /// - `origin`: Must be `Location`
+ #[pallet::call_index(1)]
+ #[pallet::weight((T::WeightInfo::set_operating_mode(), DispatchClass::Operational))]
+ pub fn set_operating_mode(origin: OriginFor<T>, mode: OperatingMode) -> DispatchResult {
+ ensure_root(origin)?;
+
+ let command = Command::SetOperatingMode { mode };
+ Self::send(PRIMARY_GOVERNANCE_CHANNEL, command, PaysFee::<T>::No)?;
+
+ Self::deposit_event(Event::<T>::SetOperatingMode { mode });
+ Ok(())
+ }
+
+ /// Set pricing parameters on both sides of the bridge
+ ///
+ /// Fee required: No
+ ///
+ /// - `origin`: Must be root
+ #[pallet::call_index(2)]
+ #[pallet::weight((T::WeightInfo::set_pricing_parameters(), DispatchClass::Operational))]
+ pub fn set_pricing_parameters(
+ origin: OriginFor<T>,
+ params: PricingParametersOf<T>,
+ ) -> DispatchResult {
+ ensure_root(origin)?;
+ params.validate().map_err(|_| Error::<T>::InvalidPricingParameters)?;
+ PricingParameters::<T>::put(params.clone());
+
+ let command = Command::SetPricingParameters {
+ exchange_rate: params.exchange_rate.into(),
+ delivery_cost: T::InboundDeliveryCost::get().saturated_into::<u128>(),
+ };
+ Self::send(PRIMARY_GOVERNANCE_CHANNEL, command, PaysFee::<T>::No)?;
+
+ Self::deposit_event(Event::PricingParametersChanged { params });
+ Ok(())
+ }
+
+ /// Sends a command to the Gateway contract to instantiate a new agent contract representing
+ /// `origin`.
+ ///
+ /// Fee required: Yes
+ ///
+ /// - `origin`: Must be `Location` of a sibling parachain
+ #[pallet::call_index(3)]
+ #[pallet::weight(T::WeightInfo::create_agent())]
+ pub fn create_agent(origin: OriginFor<T>) -> DispatchResult {
+ let origin_location: Location = T::SiblingOrigin::ensure_origin(origin)?;
+
+ // Ensure that origin location is some consensus system on a sibling parachain
+ let (para_id, agent_id) = ensure_sibling::<T>(&origin_location)?;
+
+ // Record the agent id or fail if it has already been created
+ ensure!(!Agents::<T>::contains_key(agent_id), Error::<T>::AgentAlreadyCreated);
+ Agents::<T>::insert(agent_id, ());
+
+ let command = Command::CreateAgent { agent_id };
+ let pays_fee = PaysFee::<T>::Yes(sibling_sovereign_account::<T>(para_id));
+ Self::send(SECONDARY_GOVERNANCE_CHANNEL, command, pays_fee)?;
+
+ Self::deposit_event(Event::<T>::CreateAgent {
+ location: Box::new(origin_location),
+ agent_id,
+ });
+ Ok(())
+ }
+
+ /// Sends a message to the Gateway contract to create a new channel representing `origin`
+ ///
+ /// Fee required: Yes
+ ///
+ /// This extrinsic is permissionless, so a fee is charged to prevent spamming and pay
+ /// for execution costs on the remote side.
+ ///
+ /// The message is sent over the bridge on BridgeHub's own channel to the Gateway.
+ ///
+ /// - `origin`: Must be `Location`
+ /// - `mode`: Initial operating mode of the channel
+ #[pallet::call_index(4)]
+ #[pallet::weight(T::WeightInfo::create_channel())]
+ pub fn create_channel(origin: OriginFor<T>, mode: OperatingMode) -> DispatchResult {
+ let origin_location: Location = T::SiblingOrigin::ensure_origin(origin)?;
+
+ // Ensure that origin location is a sibling parachain
+ let (para_id, agent_id) = ensure_sibling::<T>(&origin_location)?;
+
+ let channel_id: ChannelId = para_id.into();
+
+ ensure!(Agents::<T>::contains_key(agent_id), Error::<T>::NoAgent);
+ ensure!(!Channels::<T>::contains_key(channel_id), Error::<T>::ChannelAlreadyCreated);
+
+ let channel = Channel { agent_id, para_id };
+ Channels::<T>::insert(channel_id, channel);
+
+ let command = Command::CreateChannel { channel_id, agent_id, mode };
+ let pays_fee = PaysFee::<T>::Yes(sibling_sovereign_account::<T>(para_id));
+ Self::send(SECONDARY_GOVERNANCE_CHANNEL, command, pays_fee)?;
+
+ Self::deposit_event(Event::<T>::CreateChannel { channel_id, agent_id });
+ Ok(())
+ }
+
+ /// Sends a message to the Gateway contract to update a channel configuration
+ ///
+ /// The origin must already have a channel initialized, as this message is sent over it.
+ ///
+ /// A partial fee will be charged for local processing only.
+ ///
+ /// - `origin`: Must be `Location`
+ /// - `mode`: Initial operating mode of the channel
+ #[pallet::call_index(5)]
+ #[pallet::weight(T::WeightInfo::update_channel())]
+ pub fn update_channel(origin: OriginFor<T>, mode: OperatingMode) -> DispatchResult {
+ let origin_location: Location = T::SiblingOrigin::ensure_origin(origin)?;
+
+ // Ensure that origin location is a sibling parachain
+ let (para_id, _) = ensure_sibling::<T>(&origin_location)?;
+
+ let channel_id: ChannelId = para_id.into();
+
+ ensure!(Channels::<T>::contains_key(channel_id), Error::<T>::NoChannel);
+
+ let command = Command::UpdateChannel { channel_id, mode };
+ let pays_fee = PaysFee::<T>::Partial(sibling_sovereign_account::<T>(para_id));
+
+ // Parachains send the update message on their own channel
+ Self::send(channel_id, command, pays_fee)?;
+
+ Self::deposit_event(Event::<T>::UpdateChannel { channel_id, mode });
+ Ok(())
+ }
+
+ /// Sends a message to the Gateway contract to update an arbitrary channel
+ ///
+ /// Fee required: No
+ ///
+ /// - `origin`: Must be root
+ /// - `channel_id`: ID of channel
+ /// - `mode`: Initial operating mode of the channel
+ /// - `outbound_fee`: Fee charged to users for sending outbound messages to Polkadot
+ #[pallet::call_index(6)]
+ #[pallet::weight(T::WeightInfo::force_update_channel())]
+ pub fn force_update_channel(
+ origin: OriginFor<T>,
+ channel_id: ChannelId,
+ mode: OperatingMode,
+ ) -> DispatchResult {
+ ensure_root(origin)?;
+
+ ensure!(Channels::<T>::contains_key(channel_id), Error::<T>::NoChannel);
+
+ let command = Command::UpdateChannel { channel_id, mode };
+ Self::send(PRIMARY_GOVERNANCE_CHANNEL, command, PaysFee::<T>::No)?;
+
+ Self::deposit_event(Event::<T>::UpdateChannel { channel_id, mode });
+ Ok(())
+ }
+
+ /// Sends a message to the Gateway contract to transfer ether from an agent to `recipient`.
+ ///
+ /// A partial fee will be charged for local processing only.
+ ///
+ /// - `origin`: Must be `Location`
+ #[pallet::call_index(7)]
+ #[pallet::weight(T::WeightInfo::transfer_native_from_agent())]
+ pub fn transfer_native_from_agent(
+ origin: OriginFor<T>,
+ recipient: H160,
+ amount: u128,
+ ) -> DispatchResult {
+ let origin_location: Location = T::SiblingOrigin::ensure_origin(origin)?;
+
+ // Ensure that origin location is some consensus system on a sibling parachain
+ let (para_id, agent_id) = ensure_sibling::<T>(&origin_location)?;
+
+ // Since the origin is also the owner of the channel, they only need to pay
+ // the local processing fee.
+ let pays_fee = PaysFee::<T>::Partial(sibling_sovereign_account::<T>(para_id));
+
+ Self::do_transfer_native_from_agent(
+ agent_id,
+ para_id.into(),
+ recipient,
+ amount,
+ pays_fee,
+ )
+ }
+
+ /// Sends a message to the Gateway contract to transfer ether from an agent to `recipient`.
+ ///
+ /// Privileged. Can only be called by root.
+ ///
+ /// Fee required: No
+ ///
+ /// - `origin`: Must be root
+ /// - `location`: Location used to resolve the agent
+ /// - `recipient`: Recipient of funds
+ /// - `amount`: Amount to transfer
+ #[pallet::call_index(8)]
+ #[pallet::weight(T::WeightInfo::force_transfer_native_from_agent())]
+ pub fn force_transfer_native_from_agent(
+ origin: OriginFor<T>,
+ location: Box<VersionedLocation>,
+ recipient: H160,
+ amount: u128,
+ ) -> DispatchResult {
+ ensure_root(origin)?;
+
+ // Ensure that location is some consensus system on a sibling parachain
+ let location: Location =
+ (*location).try_into().map_err(|_| Error::<T>::UnsupportedLocationVersion)?;
+ let (_, agent_id) =
+ ensure_sibling::<T>(&location).map_err(|_| Error::<T>::InvalidLocation)?;
+
+ let pays_fee = PaysFee::<T>::No;
+
+ Self::do_transfer_native_from_agent(
+ agent_id,
+ PRIMARY_GOVERNANCE_CHANNEL,
+ recipient,
+ amount,
+ pays_fee,
+ )
+ }
+
+ /// Sends a message to the Gateway contract to update fee related parameters for
+ /// token transfers.
+ ///
+ /// Privileged. Can only be called by root.
+ ///
+ /// Fee required: No
+ ///
+ /// - `origin`: Must be root
+ /// - `create_asset_xcm`: The XCM execution cost for creating a new asset class on AssetHub,
+ /// in DOT
+ /// - `transfer_asset_xcm`: The XCM execution cost for performing a reserve transfer on
+ /// AssetHub, in DOT
+ /// - `register_token`: The Ether fee for registering a new token, to discourage spamming
+ #[pallet::call_index(9)]
+ #[pallet::weight((T::WeightInfo::set_token_transfer_fees(), DispatchClass::Operational))]
+ pub fn set_token_transfer_fees(
+ origin: OriginFor<T>,
+ create_asset_xcm: u128,
+ transfer_asset_xcm: u128,
+ register_token: U256,
+ ) -> DispatchResult {
+ ensure_root(origin)?;
+
+ // Basic validation of new costs. Particularly for token registration, we want to ensure
+ // its relatively expensive to discourage spamming. Like at least 100 USD.
+ ensure!(
+ create_asset_xcm > 0 && transfer_asset_xcm > 0 && register_token > meth(100),
+ Error::<T>::InvalidTokenTransferFees
+ );
+
+ let command = Command::SetTokenTransferFees {
+ create_asset_xcm,
+ transfer_asset_xcm,
+ register_token,
+ };
+ Self::send(PRIMARY_GOVERNANCE_CHANNEL, command, PaysFee::<T>::No)?;
+
+ Self::deposit_event(Event::<T>::SetTokenTransferFees {
+ create_asset_xcm,
+ transfer_asset_xcm,
+ register_token,
+ });
+ Ok(())
+ }
+ }
+
+ impl<T: Config> Pallet<T> {
+ /// Send `command` to the Gateway on the Channel identified by `channel_id`
+ fn send(channel_id: ChannelId, command: Command, pays_fee: PaysFee<T>) -> DispatchResult {
+ let message = Message { id: None, channel_id, command };
+ let (ticket, fee) =
+ T::OutboundQueue::validate(&message).map_err(|err| Error::<T>::Send(err))?;
+
+ let payment = match pays_fee {
+ PaysFee::Yes(account) => Some((account, fee.total())),
+ PaysFee::Partial(account) => Some((account, fee.local)),
+ PaysFee::No => None,
+ };
+
+ if let Some((payer, fee)) = payment {
+ T::Token::transfer(
+ &payer,
+ &T::TreasuryAccount::get(),
+ fee,
+ Preservation::Preserve,
+ )?;
+ }
+
+ T::OutboundQueue::deliver(ticket).map_err(|err| Error::<T>::Send(err))?;
+ Ok(())
+ }
+
+ /// Issue a `Command::TransferNativeFromAgent` command. The command will be sent on the
+ /// channel `channel_id`
+ pub fn do_transfer_native_from_agent(
+ agent_id: H256,
+ channel_id: ChannelId,
+ recipient: H160,
+ amount: u128,
+ pays_fee: PaysFee<T>,
+ ) -> DispatchResult {
+ ensure!(Agents::<T>::contains_key(agent_id), Error::<T>::NoAgent);
+
+ let command = Command::TransferNativeFromAgent { agent_id, recipient, amount };
+ Self::send(channel_id, command, pays_fee)?;
+
+ Self::deposit_event(Event::<T>::TransferNativeFromAgent {
+ agent_id,
+ recipient,
+ amount,
+ });
+ Ok(())
+ }
+
+ /// Initializes agents and channels.
+ pub fn initialize(para_id: ParaId, asset_hub_para_id: ParaId) -> Result<(), DispatchError> {
+ // Asset Hub
+ let asset_hub_location: Location =
+ ParentThen(Parachain(asset_hub_para_id.into()).into()).into();
+ let asset_hub_agent_id = agent_id_of::<T>(&asset_hub_location)?;
+ let asset_hub_channel_id: ChannelId = asset_hub_para_id.into();
+ Agents::<T>::insert(asset_hub_agent_id, ());
+ Channels::<T>::insert(
+ asset_hub_channel_id,
+ Channel { agent_id: asset_hub_agent_id, para_id: asset_hub_para_id },
+ );
+
+ // Governance channels
+ let bridge_hub_agent_id = agent_id_of::<T>(&Location::here())?;
+ // Agent for BridgeHub
+ Agents::<T>::insert(bridge_hub_agent_id, ());
+
+ // Primary governance channel
+ Channels::<T>::insert(
+ PRIMARY_GOVERNANCE_CHANNEL,
+ Channel { agent_id: bridge_hub_agent_id, para_id },
+ );
+
+ // Secondary governance channel
+ Channels::<T>::insert(
+ SECONDARY_GOVERNANCE_CHANNEL,
+ Channel { agent_id: bridge_hub_agent_id, para_id },
+ );
+
+ Ok(())
+ }
+
+ /// Checks if the pallet has been initialized.
+ pub(crate) fn is_initialized() -> bool {
+ let primary_exists = Channels::<T>::contains_key(PRIMARY_GOVERNANCE_CHANNEL);
+ let secondary_exists = Channels::<T>::contains_key(SECONDARY_GOVERNANCE_CHANNEL);
+ primary_exists && secondary_exists
+ }
+ }
+
+ impl<T: Config> StaticLookup for Pallet<T> {
+ type Source = ChannelId;
+ type Target = Channel;
+ fn lookup(channel_id: Self::Source) -> Option<Self::Target> {
+ Channels::<T>::get(channel_id)
+ }
+ }
+
+ impl<T: Config> Contains<ChannelId> for Pallet<T> {
+ fn contains(channel_id: &ChannelId) -> bool {
+ Channels::<T>::get(channel_id).is_some()
+ }
+ }
+
+ impl<T: Config> Get<PricingParametersOf<T>> for Pallet<T> {
+ fn get() -> PricingParametersOf<T> {
+ PricingParameters::<T>::get()
+ }
+ }
+}
diff --git a/bridges/snowbridge/pallets/system/src/migration.rs b/bridges/snowbridge/pallets/system/src/migration.rs
new file mode 100644
index 0000000000000..ee94fc091bd1e
--- /dev/null
+++ b/bridges/snowbridge/pallets/system/src/migration.rs
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Governance API for controlling the Ethereum side of the bridge
+use super::*;
+use frame_support::traits::OnRuntimeUpgrade;
+use log;
+
+#[cfg(feature = "try-runtime")]
+use sp_runtime::TryRuntimeError;
+
+pub mod v0 {
+ use frame_support::{pallet_prelude::*, weights::Weight};
+
+ use super::*;
+
+ const LOG_TARGET: &str = "ethereum_system::migration";
+
+ pub struct InitializeOnUpgrade<T, BridgeHubParaId, AssetHubParaId>(
+ sp_std::marker::PhantomData<(T, BridgeHubParaId, AssetHubParaId)>,
+ );
+ impl<T, BridgeHubParaId, AssetHubParaId> OnRuntimeUpgrade
+ for InitializeOnUpgrade<T, BridgeHubParaId, AssetHubParaId>
+ where
+ T: Config,
+ BridgeHubParaId: Get<u32>,
+ AssetHubParaId: Get<u32>,
+ {
+ fn on_runtime_upgrade() -> Weight {
+ if !Pallet::<T>::is_initialized() {
+ Pallet::<T>::initialize(
+ BridgeHubParaId::get().into(),
+ AssetHubParaId::get().into(),
+ )
+ .expect("infallible; qed");
+ log::info!(
+ target: LOG_TARGET,
+ "Ethereum system initialized."
+ );
+ T::DbWeight::get().reads_writes(2, 5)
+ } else {
+ log::info!(
+ target: LOG_TARGET,
+ "Ethereum system already initialized. Skipping."
+ );
+ T::DbWeight::get().reads(2)
+ }
+ }
+
+ #[cfg(feature = "try-runtime")]
+ fn pre_upgrade() -> Result<Vec<u8>, TryRuntimeError> {
+ if !Pallet::<T>::is_initialized() {
+ log::info!(
+ target: LOG_TARGET,
+ "Agents and channels not initialized. Initialization will run."
+ );
+ } else {
+ log::info!(
+ target: LOG_TARGET,
+ "Agents and channels are initialized. Initialization will not run."
+ );
+ }
+ Ok(vec![])
+ }
+
+ #[cfg(feature = "try-runtime")]
+ fn post_upgrade(_: Vec<u8>) -> Result<(), TryRuntimeError> {
+ frame_support::ensure!(
+ Pallet::<T>::is_initialized(),
+ "Agents and channels were not initialized."
+ );
+ Ok(())
+ }
+ }
+}
diff --git a/bridges/snowbridge/pallets/system/src/mock.rs b/bridges/snowbridge/pallets/system/src/mock.rs
new file mode 100644
index 0000000000000..bc22957813279
--- /dev/null
+++ b/bridges/snowbridge/pallets/system/src/mock.rs
@@ -0,0 +1,270 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use crate as snowbridge_system;
+use frame_support::{
+ parameter_types,
+ traits::{tokens::fungible::Mutate, ConstU128, ConstU16, ConstU64, ConstU8},
+ weights::IdentityFee,
+ PalletId,
+};
+use sp_core::H256;
+use xcm_executor::traits::ConvertLocation;
+
+use snowbridge_core::{
+ gwei, meth, outbound::ConstantGasMeter, sibling_sovereign_account, AgentId, AllowSiblingsOnly,
+ ParaId, PricingParameters, Rewards,
+};
+use sp_runtime::{
+ traits::{AccountIdConversion, BlakeTwo256, IdentityLookup, Keccak256},
+ AccountId32, BuildStorage, FixedU128,
+};
+use xcm::prelude::*;
+
+#[cfg(feature = "runtime-benchmarks")]
+use crate::BenchmarkHelper;
+
+type Block = frame_system::mocking::MockBlock<Test>;
+type Balance = u128;
+
+pub type AccountId = AccountId32;
+
+// A stripped-down version of pallet-xcm that only inserts an XCM origin into the runtime
+#[allow(dead_code)]
+#[frame_support::pallet]
+mod pallet_xcm_origin {
+ use frame_support::{
+ pallet_prelude::*,
+ traits::{Contains, OriginTrait},
+ };
+ use xcm::latest::prelude::*;
+
+ #[pallet::pallet]
+ pub struct Pallet<T>(_);
+
+ #[pallet::config]
+ pub trait Config: frame_system::Config {
+ type RuntimeOrigin: From<Origin> + From<<Self as frame_system::Config>::RuntimeOrigin>;
+ }
+
+ // Insert this custom Origin into the aggregate RuntimeOrigin
+ #[pallet::origin]
+ #[derive(PartialEq, Eq, Clone, Encode, Decode, RuntimeDebug, TypeInfo, MaxEncodedLen)]
+ pub struct Origin(pub Location);
+
+ impl From<Location> for Origin {
+ fn from(location: Location) -> Origin {
+ Origin(location)
+ }
+ }
+
+ /// `EnsureOrigin` implementation succeeding with a `Location` value to recognize and
+ /// filter the contained location
+ pub struct EnsureXcm<F>(PhantomData<F>);
+ impl<O: OriginTrait + From<Origin>, F: Contains<Location>> EnsureOrigin<O> for EnsureXcm<F>
+ where
+ O::PalletsOrigin: From<Origin> + TryInto<Origin, Error = O::PalletsOrigin>,
+ {
+ type Success = Location;
+
+ fn try_origin(outer: O) -> Result<Self::Success, O> {
+ outer.try_with_caller(|caller| {
+ caller.try_into().and_then(|o| match o {
+ Origin(location) if F::contains(&location) => Ok(location),
+ o => Err(o.into()),
+ })
+ })
+ }
+
+ #[cfg(feature = "runtime-benchmarks")]
+ fn try_successful_origin() -> Result<O, ()> {
+ Ok(O::from(Origin(Location::new(1, [Parachain(2000)]))))
+ }
+ }
+}
+
+// Configure a mock runtime to test the pallet.
+frame_support::construct_runtime!(
+ pub enum Test
+ {
+ System: frame_system,
+ Balances: pallet_balances::{Pallet, Call, Storage, Config<T>, Event<T>},
+ XcmOrigin: pallet_xcm_origin::{Pallet, Origin},
+ OutboundQueue: snowbridge_pallet_outbound_queue::{Pallet, Call, Storage, Event<T>},
+ EthereumSystem: snowbridge_system,
+ MessageQueue: pallet_message_queue::{Pallet, Call, Storage, Event<T>}
+ }
+);
+
+impl frame_system::Config for Test {
+ type BaseCallFilter = frame_support::traits::Everything;
+ type BlockWeights = ();
+ type BlockLength = ();
+ type DbWeight = ();
+ type RuntimeOrigin = RuntimeOrigin;
+ type RuntimeCall = RuntimeCall;
+ type RuntimeTask = RuntimeTask;
+ type Hash = H256;
+ type Hashing = BlakeTwo256;
+ type AccountId = AccountId;
+ type Lookup = IdentityLookup<Self::AccountId>;
+ type RuntimeEvent = RuntimeEvent;
+ type BlockHashCount = ConstU64<250>;
+ type Version = ();
+ type PalletInfo = PalletInfo;
+ type AccountData = pallet_balances::AccountData<u128>;
+ type OnNewAccount = ();
+ type OnKilledAccount = ();
+ type SystemWeightInfo = ();
+ type SS58Prefix = ConstU16<42>;
+ type OnSetCode = ();
+ type MaxConsumers = frame_support::traits::ConstU32<16>;
+ type Nonce = u64;
+ type Block = Block;
+}
+
+impl pallet_balances::Config for Test {
+ type MaxLocks = ();
+ type MaxReserves = ();
+ type ReserveIdentifier = [u8; 8];
+ type Balance = Balance;
+ type RuntimeEvent = RuntimeEvent;
+ type DustRemoval = ();
+ type ExistentialDeposit = ConstU128<1>;
+ type AccountStore = System;
+ type WeightInfo = ();
+ type FreezeIdentifier = ();
+ type MaxFreezes = ();
+ type RuntimeHoldReason = ();
+ type RuntimeFreezeReason = ();
+ type MaxHolds = ();
+}
+
+impl pallet_xcm_origin::Config for Test {
+ type RuntimeOrigin = RuntimeOrigin;
+}
+
+parameter_types! {
+ pub const HeapSize: u32 = 32 * 1024;
+ pub const MaxStale: u32 = 32;
+ pub static ServiceWeight: Option<Weight> = Some(Weight::from_parts(100, 100));
+}
+
+impl pallet_message_queue::Config for Test {
+ type RuntimeEvent = RuntimeEvent;
+ type WeightInfo = ();
+ type MessageProcessor = OutboundQueue;
+ type Size = u32;
+ type QueueChangeHandler = ();
+ type HeapSize = HeapSize;
+ type MaxStale = MaxStale;
+ type ServiceWeight = ServiceWeight;
+ type QueuePausedQuery = ();
+}
+
+parameter_types! {
+ pub const MaxMessagePayloadSize: u32 = 1024;
+ pub const MaxMessagesPerBlock: u32 = 20;
+ pub const OwnParaId: ParaId = ParaId::new(1013);
+}
+
+impl snowbridge_pallet_outbound_queue::Config for Test {
+ type RuntimeEvent = RuntimeEvent;
+ type Hashing = Keccak256;
+ type MessageQueue = MessageQueue;
+ type Decimals = ConstU8<10>;
+ type MaxMessagePayloadSize = MaxMessagePayloadSize;
+ type MaxMessagesPerBlock = MaxMessagesPerBlock;
+ type GasMeter = ConstantGasMeter;
+ type Balance = u128;
+ type PricingParameters = EthereumSystem;
+ type Channels = EthereumSystem;
+ type WeightToFee = IdentityFee<u128>;
+ type WeightInfo = ();
+}
+
+parameter_types! {
+ pub const SS58Prefix: u8 = 42;
+ pub const AnyNetwork: Option<NetworkId> = None;
+ pub const RelayNetwork: Option<NetworkId> = Some(NetworkId::Kusama);
+ pub const RelayLocation: Location = Location::parent();
+ pub UniversalLocation: InteriorLocation =
+ [GlobalConsensus(RelayNetwork::get().unwrap()), Parachain(1013)].into();
+}
+
+pub const DOT: u128 = 10_000_000_000;
+
+parameter_types! {
+ pub TreasuryAccount: AccountId = PalletId(*b"py/trsry").into_account_truncating();
+ pub Fee: u64 = 1000;
+ pub const RococoNetwork: NetworkId = NetworkId::Rococo;
+ pub const InitialFunding: u128 = 1_000_000_000_000;
+ pub AssetHubParaId: ParaId = ParaId::new(1000);
+ pub TestParaId: u32 = 2000;
+ pub Parameters: PricingParameters<u128> = PricingParameters {
+ exchange_rate: FixedU128::from_rational(1, 400),
+ fee_per_gas: gwei(20),
+ rewards: Rewards { local: DOT, remote: meth(1) }
+ };
+ pub const InboundDeliveryCost: u128 = 1_000_000_000;
+
+}
+
+#[cfg(feature = "runtime-benchmarks")]
+impl BenchmarkHelper<RuntimeOrigin> for () {
+ fn make_xcm_origin(location: Location) -> RuntimeOrigin {
+ RuntimeOrigin::from(pallet_xcm_origin::Origin(location))
+ }
+}
+
+impl crate::Config for Test {
+ type RuntimeEvent = RuntimeEvent;
+ type OutboundQueue = OutboundQueue;
+ type SiblingOrigin = pallet_xcm_origin::EnsureXcm<AllowSiblingsOnly>;
+ type AgentIdOf = snowbridge_core::AgentIdOf;
+ type TreasuryAccount = TreasuryAccount;
+ type Token = Balances;
+ type DefaultPricingParameters = Parameters;
+ type WeightInfo = ();
+ type InboundDeliveryCost = InboundDeliveryCost;
+ #[cfg(feature = "runtime-benchmarks")]
+ type Helper = ();
+}
+
+// Build genesis storage according to the mock runtime.
+pub fn new_test_ext(genesis_build: bool) -> sp_io::TestExternalities {
+ let mut storage = frame_system::GenesisConfig::<Test>::default().build_storage().unwrap();
+
+ if genesis_build {
+ crate::GenesisConfig::<Test> {
+ para_id: OwnParaId::get(),
+ asset_hub_para_id: AssetHubParaId::get(),
+ _config: Default::default(),
+ }
+ .assimilate_storage(&mut storage)
+ .unwrap();
+ }
+
+ let mut ext: sp_io::TestExternalities = storage.into();
+ let initial_amount = InitialFunding::get();
+ let test_para_id = TestParaId::get();
+ let sovereign_account = sibling_sovereign_account::<Test>(test_para_id.into());
+ let treasury_account = TreasuryAccount::get();
+ ext.execute_with(|| {
+ System::set_block_number(1);
+ Balances::mint_into(&AccountId32::from([0; 32]), initial_amount).unwrap();
+ Balances::mint_into(&sovereign_account, initial_amount).unwrap();
+ Balances::mint_into(&treasury_account, initial_amount).unwrap();
+ });
+ ext
+}
+
+// Test helpers
+
+pub fn make_xcm_origin(location: Location) -> RuntimeOrigin {
+ pallet_xcm_origin::Origin(location).into()
+}
+
+pub fn make_agent_id(location: Location) -> AgentId {
+ <Test as snowbridge_system::Config>::AgentIdOf::convert_location(&location)
+ .expect("convert location")
+}
diff --git a/bridges/snowbridge/pallets/system/src/tests.rs b/bridges/snowbridge/pallets/system/src/tests.rs
new file mode 100644
index 0000000000000..09f24195a30ad
--- /dev/null
+++ b/bridges/snowbridge/pallets/system/src/tests.rs
@@ -0,0 +1,633 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use crate::{mock::*, *};
+use frame_support::{assert_noop, assert_ok};
+use hex_literal::hex;
+use snowbridge_core::eth;
+use sp_core::H256;
+use sp_runtime::{AccountId32, DispatchError::BadOrigin, TokenError};
+
+#[test]
+fn create_agent() {
+ new_test_ext(true).execute_with(|| {
+ let origin_para_id = 2000;
+ let origin_location = Location::new(1, [Parachain(origin_para_id)]);
+ let agent_id = make_agent_id(origin_location.clone());
+ let sovereign_account = sibling_sovereign_account::<Test>(origin_para_id.into());
+
+ // fund sovereign account of origin
+ let _ = Balances::mint_into(&sovereign_account, 10000);
+
+ assert!(!Agents::<Test>::contains_key(agent_id));
+
+ let origin = make_xcm_origin(origin_location);
+ assert_ok!(EthereumSystem::create_agent(origin));
+
+ assert!(Agents::<Test>::contains_key(agent_id));
+ });
+}
+
+#[test]
+fn test_agent_for_here() {
+ new_test_ext(true).execute_with(|| {
+ let origin_location = Location::here();
+ let agent_id = make_agent_id(origin_location);
+ assert_eq!(
+ agent_id,
+ hex!("03170a2e7597b7b7e3d84c05391d139a62b157e78786d8c082f29dcf4c111314").into(),
+ )
+ });
+}
+
+#[test]
+fn create_agent_fails_on_funds_unavailable() {
+ new_test_ext(true).execute_with(|| {
+ let origin_location = Location::new(1, [Parachain(2000)]);
+ let origin = make_xcm_origin(origin_location);
+ // Reset balance of sovereign_account to zero so to trigger the FundsUnavailable error
+ let sovereign_account = sibling_sovereign_account::<Test>(2000.into());
+ Balances::set_balance(&sovereign_account, 0);
+ assert_noop!(EthereumSystem::create_agent(origin), TokenError::FundsUnavailable);
+ });
+}
+
+#[test]
+fn create_agent_bad_origin() {
+ new_test_ext(true).execute_with(|| {
+ // relay chain location not allowed
+ assert_noop!(
+ EthereumSystem::create_agent(make_xcm_origin(Location::new(1, [],))),
+ BadOrigin,
+ );
+
+ // local account location not allowed
+ assert_noop!(
+ EthereumSystem::create_agent(make_xcm_origin(Location::new(
+ 0,
+ [Junction::AccountId32 { network: None, id: [67u8; 32] }],
+ ))),
+ BadOrigin,
+ );
+
+ // Signed origin not allowed
+ assert_noop!(
+ EthereumSystem::create_agent(RuntimeOrigin::signed([14; 32].into())),
+ BadOrigin
+ );
+
+ // None origin not allowed
+ assert_noop!(EthereumSystem::create_agent(RuntimeOrigin::none()), BadOrigin);
+ });
+}
+
+#[test]
+fn upgrade_as_root() {
+ new_test_ext(true).execute_with(|| {
+ let origin = RuntimeOrigin::root();
+ let address: H160 = [1_u8; 20].into();
+ let code_hash: H256 = [1_u8; 32].into();
+
+ assert_ok!(EthereumSystem::upgrade(origin, address, code_hash, None));
+
+ System::assert_last_event(RuntimeEvent::EthereumSystem(crate::Event::Upgrade {
+ impl_address: address,
+ impl_code_hash: code_hash,
+ initializer_params_hash: None,
+ }));
+ });
+}
+
+#[test]
+fn upgrade_as_signed_fails() {
+ new_test_ext(true).execute_with(|| {
+ let origin = RuntimeOrigin::signed(AccountId32::new([0; 32]));
+ let address: H160 = Default::default();
+ let code_hash: H256 = Default::default();
+
+ assert_noop!(EthereumSystem::upgrade(origin, address, code_hash, None), BadOrigin);
+ });
+}
+
+#[test]
+fn upgrade_with_params() {
+ new_test_ext(true).execute_with(|| {
+ let origin = RuntimeOrigin::root();
+ let address: H160 = [1_u8; 20].into();
+ let code_hash: H256 = [1_u8; 32].into();
+ let initializer: Option<Initializer> =
+ Some(Initializer { params: [0; 256].into(), maximum_required_gas: 10000 });
+ assert_ok!(EthereumSystem::upgrade(origin, address, code_hash, initializer));
+ });
+}
+
+#[test]
+fn set_operating_mode() {
+ new_test_ext(true).execute_with(|| {
+ let origin = RuntimeOrigin::root();
+ let mode = OperatingMode::RejectingOutboundMessages;
+
+ assert_ok!(EthereumSystem::set_operating_mode(origin, mode));
+
+ System::assert_last_event(RuntimeEvent::EthereumSystem(crate::Event::SetOperatingMode {
+ mode,
+ }));
+ });
+}
+
+#[test]
+fn set_operating_mode_as_signed_fails() {
+ new_test_ext(true).execute_with(|| {
+ let origin = RuntimeOrigin::signed([14; 32].into());
+ let mode = OperatingMode::RejectingOutboundMessages;
+
+ assert_noop!(EthereumSystem::set_operating_mode(origin, mode), BadOrigin);
+ });
+}
+
+#[test]
+fn set_pricing_parameters() {
+ new_test_ext(true).execute_with(|| {
+ let origin = RuntimeOrigin::root();
+ let mut params = Parameters::get();
+ params.rewards.local = 7;
+
+ assert_ok!(EthereumSystem::set_pricing_parameters(origin, params));
+
+ assert_eq!(PricingParameters::<Test>::get().rewards.local, 7);
+ });
+}
+
+#[test]
+fn set_pricing_parameters_as_signed_fails() {
+ new_test_ext(true).execute_with(|| {
+ let origin = RuntimeOrigin::signed([14; 32].into());
+ let params = Parameters::get();
+
+ assert_noop!(EthereumSystem::set_pricing_parameters(origin, params), BadOrigin);
+ });
+}
+
+#[test]
+fn set_pricing_parameters_invalid() {
+ new_test_ext(true).execute_with(|| {
+ let origin = RuntimeOrigin::root();
+ let mut params = Parameters::get();
+ params.rewards.local = 0;
+
+ assert_noop!(
+ EthereumSystem::set_pricing_parameters(origin.clone(), params),
+ Error::<Test>::InvalidPricingParameters
+ );
+
+ let mut params = Parameters::get();
+ params.exchange_rate = 0u128.into();
+ assert_noop!(
+ EthereumSystem::set_pricing_parameters(origin.clone(), params),
+ Error::<Test>::InvalidPricingParameters
+ );
+ params = Parameters::get();
+ params.fee_per_gas = sp_core::U256::zero();
+ assert_noop!(
+ EthereumSystem::set_pricing_parameters(origin.clone(), params),
+ Error::<Test>::InvalidPricingParameters
+ );
+ params = Parameters::get();
+ params.rewards.local = 0;
+ assert_noop!(
+ EthereumSystem::set_pricing_parameters(origin.clone(), params),
+ Error::<Test>::InvalidPricingParameters
+ );
+ params = Parameters::get();
+ params.rewards.remote = sp_core::U256::zero();
+ assert_noop!(
+ EthereumSystem::set_pricing_parameters(origin, params),
+ Error::<Test>::InvalidPricingParameters
+ );
+ });
+}
+
+#[test]
+fn set_token_transfer_fees() {
+ new_test_ext(true).execute_with(|| {
+ let origin = RuntimeOrigin::root();
+
+ assert_ok!(EthereumSystem::set_token_transfer_fees(origin, 1, 1, eth(1)));
+ });
+}
+
+#[test]
+fn set_token_transfer_fees_root_only() {
+ new_test_ext(true).execute_with(|| {
+ let origin = RuntimeOrigin::signed([14; 32].into());
+
+ assert_noop!(EthereumSystem::set_token_transfer_fees(origin, 1, 1, 1.into()), BadOrigin);
+ });
+}
+
+#[test]
+fn set_token_transfer_fees_invalid() {
+ new_test_ext(true).execute_with(|| {
+ let origin = RuntimeOrigin::root();
+
+ assert_noop!(
+ EthereumSystem::set_token_transfer_fees(origin, 0, 0, 0.into()),
+ Error::<Test>::InvalidTokenTransferFees
+ );
+ });
+}
+
+#[test]
+fn create_channel() {
+ new_test_ext(true).execute_with(|| {
+ let origin_para_id = 2000;
+ let origin_location = Location::new(1, [Parachain(origin_para_id)]);
+ let sovereign_account = sibling_sovereign_account::<Test>(origin_para_id.into());
+ let origin = make_xcm_origin(origin_location);
+
+ // fund sovereign account of origin
+ let _ = Balances::mint_into(&sovereign_account, 10000);
+
+ assert_ok!(EthereumSystem::create_agent(origin.clone()));
+ assert_ok!(EthereumSystem::create_channel(origin, OperatingMode::Normal));
+ });
+}
+
+#[test]
+fn create_channel_fail_already_exists() {
+ new_test_ext(true).execute_with(|| {
+ let origin_para_id = 2000;
+ let origin_location = Location::new(1, [Parachain(origin_para_id)]);
+ let sovereign_account = sibling_sovereign_account::<Test>(origin_para_id.into());
+ let origin = make_xcm_origin(origin_location);
+
+ // fund sovereign account of origin
+ let _ = Balances::mint_into(&sovereign_account, 10000);
+
+ assert_ok!(EthereumSystem::create_agent(origin.clone()));
+ assert_ok!(EthereumSystem::create_channel(origin.clone(), OperatingMode::Normal));
+
+ assert_noop!(
+ EthereumSystem::create_channel(origin, OperatingMode::Normal),
+ Error::<Test>::ChannelAlreadyCreated
+ );
+ });
+}
+
+#[test]
+fn create_channel_bad_origin() {
+ new_test_ext(true).execute_with(|| {
+ // relay chain location not allowed
+ assert_noop!(
+ EthereumSystem::create_channel(
+ make_xcm_origin(Location::new(1, [])),
+ OperatingMode::Normal,
+ ),
+ BadOrigin,
+ );
+
+ // child of sibling location not allowed
+ assert_noop!(
+ EthereumSystem::create_channel(
+ make_xcm_origin(Location::new(
+ 1,
+ [Parachain(2000), Junction::AccountId32 { network: None, id: [67u8; 32] }],
+ )),
+ OperatingMode::Normal,
+ ),
+ BadOrigin,
+ );
+
+ // local account location not allowed
+ assert_noop!(
+ EthereumSystem::create_channel(
+ make_xcm_origin(Location::new(
+ 0,
+ [Junction::AccountId32 { network: None, id: [67u8; 32] }],
+ )),
+ OperatingMode::Normal,
+ ),
+ BadOrigin,
+ );
+
+ // Signed origin not allowed
+ assert_noop!(
+ EthereumSystem::create_channel(
+ RuntimeOrigin::signed([14; 32].into()),
+ OperatingMode::Normal,
+ ),
+ BadOrigin
+ );
+
+ // None origin not allowed
+ assert_noop!(EthereumSystem::create_agent(RuntimeOrigin::none()), BadOrigin);
+ });
+}
+
+#[test]
+fn update_channel() {
+ new_test_ext(true).execute_with(|| {
+ let origin_para_id = 2000;
+ let origin_location = Location::new(1, [Parachain(origin_para_id)]);
+ let sovereign_account = sibling_sovereign_account::<Test>(origin_para_id.into());
+ let origin = make_xcm_origin(origin_location);
+
+ // First create the channel
+ let _ = Balances::mint_into(&sovereign_account, 10000);
+ assert_ok!(EthereumSystem::create_agent(origin.clone()));
+ assert_ok!(EthereumSystem::create_channel(origin.clone(), OperatingMode::Normal));
+
+ // Now try to update it
+ assert_ok!(EthereumSystem::update_channel(origin, OperatingMode::Normal));
+
+ System::assert_last_event(RuntimeEvent::EthereumSystem(crate::Event::UpdateChannel {
+ channel_id: ParaId::from(2000).into(),
+ mode: OperatingMode::Normal,
+ }));
+ });
+}
+
+#[test]
+fn update_channel_bad_origin() {
+ new_test_ext(true).execute_with(|| {
+ let mode = OperatingMode::Normal;
+
+ // relay chain location not allowed
+ assert_noop!(
+ EthereumSystem::update_channel(make_xcm_origin(Location::new(1, [])), mode,),
+ BadOrigin,
+ );
+
+ // child of sibling location not allowed
+ assert_noop!(
+ EthereumSystem::update_channel(
+ make_xcm_origin(Location::new(
+ 1,
+ [Parachain(2000), Junction::AccountId32 { network: None, id: [67u8; 32] }],
+ )),
+ mode,
+ ),
+ BadOrigin,
+ );
+
+ // local account location not allowed
+ assert_noop!(
+ EthereumSystem::update_channel(
+ make_xcm_origin(Location::new(
+ 0,
+ [Junction::AccountId32 { network: None, id: [67u8; 32] }],
+ )),
+ mode,
+ ),
+ BadOrigin,
+ );
+
+ // Signed origin not allowed
+ assert_noop!(
+ EthereumSystem::update_channel(RuntimeOrigin::signed([14; 32].into()), mode),
+ BadOrigin
+ );
+
+ // None origin not allowed
+ assert_noop!(EthereumSystem::update_channel(RuntimeOrigin::none(), mode), BadOrigin);
+ });
+}
+
+#[test]
+fn update_channel_fails_not_exist() {
+ new_test_ext(true).execute_with(|| {
+ let origin_location = Location::new(1, [Parachain(2000)]);
+ let origin = make_xcm_origin(origin_location);
+
+ // Now try to update it
+ assert_noop!(
+ EthereumSystem::update_channel(origin, OperatingMode::Normal),
+ Error::<Test>::NoChannel
+ );
+ });
+}
+
+#[test]
+fn force_update_channel() {
+ new_test_ext(true).execute_with(|| {
+ let origin_para_id = 2000;
+ let origin_location = Location::new(1, [Parachain(origin_para_id)]);
+ let sovereign_account = sibling_sovereign_account::<Test>(origin_para_id.into());
+ let origin = make_xcm_origin(origin_location);
+
+ let channel_id: ChannelId = ParaId::from(origin_para_id).into();
+
+ // First create the channel
+ let _ = Balances::mint_into(&sovereign_account, 10000);
+ assert_ok!(EthereumSystem::create_agent(origin.clone()));
+ assert_ok!(EthereumSystem::create_channel(origin.clone(), OperatingMode::Normal));
+
+ // Now try to force update it
+ let force_origin = RuntimeOrigin::root();
+ assert_ok!(EthereumSystem::force_update_channel(
+ force_origin,
+ channel_id,
+ OperatingMode::Normal,
+ ));
+
+ System::assert_last_event(RuntimeEvent::EthereumSystem(crate::Event::UpdateChannel {
+ channel_id: ParaId::from(2000).into(),
+ mode: OperatingMode::Normal,
+ }));
+ });
+}
+
+#[test]
+fn force_update_channel_bad_origin() {
+ new_test_ext(true).execute_with(|| {
+ let mode = OperatingMode::Normal;
+
+ // signed origin not allowed
+ assert_noop!(
+ EthereumSystem::force_update_channel(
+ RuntimeOrigin::signed([14; 32].into()),
+ ParaId::from(1000).into(),
+ mode,
+ ),
+ BadOrigin,
+ );
+ });
+}
+
+#[test]
+fn transfer_native_from_agent() {
+ new_test_ext(true).execute_with(|| {
+ let origin_location = Location::new(1, [Parachain(2000)]);
+ let origin = make_xcm_origin(origin_location.clone());
+ let recipient: H160 = [27u8; 20].into();
+ let amount = 103435;
+
+ // First create the agent and channel
+ assert_ok!(EthereumSystem::create_agent(origin.clone()));
+ assert_ok!(EthereumSystem::create_channel(origin, OperatingMode::Normal));
+
+ let origin = make_xcm_origin(origin_location.clone());
+ assert_ok!(EthereumSystem::transfer_native_from_agent(origin, recipient, amount),);
+
+ System::assert_last_event(RuntimeEvent::EthereumSystem(
+ crate::Event::TransferNativeFromAgent {
+ agent_id: make_agent_id(origin_location),
+ recipient,
+ amount,
+ },
+ ));
+ });
+}
+
+#[test]
+fn force_transfer_native_from_agent() {
+ new_test_ext(true).execute_with(|| {
+ let origin = RuntimeOrigin::root();
+ let location = Location::new(1, [Parachain(2000)]);
+ let versioned_location: Box<VersionedLocation> = Box::new(location.clone().into());
+ let recipient: H160 = [27u8; 20].into();
+ let amount = 103435;
+
+ // First create the agent
+ Agents::<Test>::insert(make_agent_id(location.clone()), ());
+
+ assert_ok!(EthereumSystem::force_transfer_native_from_agent(
+ origin,
+ versioned_location,
+ recipient,
+ amount
+ ),);
+
+ System::assert_last_event(RuntimeEvent::EthereumSystem(
+ crate::Event::TransferNativeFromAgent {
+ agent_id: make_agent_id(location),
+ recipient,
+ amount,
+ },
+ ));
+ });
+}
+
+#[test]
+fn force_transfer_native_from_agent_bad_origin() {
+ new_test_ext(true).execute_with(|| {
+ let recipient: H160 = [27u8; 20].into();
+ let amount = 103435;
+
+ // signed origin not allowed
+ assert_noop!(
+ EthereumSystem::force_transfer_native_from_agent(
+ RuntimeOrigin::signed([14; 32].into()),
+ Box::new(
+ Location::new(
+ 1,
+ [Parachain(2000), Junction::AccountId32 { network: None, id: [67u8; 32] }],
+ )
+ .into()
+ ),
+ recipient,
+ amount,
+ ),
+ BadOrigin,
+ );
+ });
+}
+
+// NOTE: The following tests are not actually tests and are more about obtaining location
+// conversions for devops purposes. They need to be removed here and incorporated into a command
+// line utility.
+
+#[test]
+fn charge_fee_for_create_agent() {
+ new_test_ext(true).execute_with(|| {
+ let para_id: u32 = TestParaId::get();
+ let origin_location = Location::new(1, [Parachain(para_id)]);
+ let origin = make_xcm_origin(origin_location.clone());
+ let sovereign_account = sibling_sovereign_account::<Test>(para_id.into());
+ let (_, agent_id) = ensure_sibling::<Test>(&origin_location).unwrap();
+
+ let initial_sovereign_balance = Balances::balance(&sovereign_account);
+ assert_ok!(EthereumSystem::create_agent(origin.clone()));
+ let fee_charged = initial_sovereign_balance - Balances::balance(&sovereign_account);
+
+ assert_ok!(EthereumSystem::create_channel(origin, OperatingMode::Normal));
+
+ // assert sovereign_balance decreased by (fee.base_fee + fee.delivery_fee)
+ let message = Message {
+ id: None,
+ channel_id: ParaId::from(para_id).into(),
+ command: Command::CreateAgent { agent_id },
+ };
+ let (_, fee) = OutboundQueue::validate(&message).unwrap();
+ assert_eq!(fee.local + fee.remote, fee_charged);
+
+ // and treasury_balance increased
+ let treasury_balance = Balances::balance(&TreasuryAccount::get());
+ assert!(treasury_balance > InitialFunding::get());
+
+ let final_sovereign_balance = Balances::balance(&sovereign_account);
+ // (sovereign_balance + treasury_balance) keeps the same
+ assert_eq!(final_sovereign_balance + treasury_balance, { InitialFunding::get() * 2 });
+ });
+}
+
+#[test]
+fn charge_fee_for_transfer_native_from_agent() {
+ new_test_ext(true).execute_with(|| {
+ let para_id: u32 = TestParaId::get();
+ let origin_location = Location::new(1, [Parachain(para_id)]);
+ let recipient: H160 = [27u8; 20].into();
+ let amount = 103435;
+ let origin = make_xcm_origin(origin_location.clone());
+ let (_, agent_id) = ensure_sibling::<Test>(&origin_location).unwrap();
+
+ let sovereign_account = sibling_sovereign_account::<Test>(para_id.into());
+
+ // create_agent & create_channel first
+ assert_ok!(EthereumSystem::create_agent(origin.clone()));
+ assert_ok!(EthereumSystem::create_channel(origin.clone(), OperatingMode::Normal));
+
+ // assert sovereign_balance decreased by only the base_fee
+ let sovereign_balance_before = Balances::balance(&sovereign_account);
+ assert_ok!(EthereumSystem::transfer_native_from_agent(origin.clone(), recipient, amount));
+ let message = Message {
+ id: None,
+ channel_id: ParaId::from(para_id).into(),
+ command: Command::TransferNativeFromAgent { agent_id, recipient, amount },
+ };
+ let (_, fee) = OutboundQueue::validate(&message).unwrap();
+ let sovereign_balance_after = Balances::balance(&sovereign_account);
+ assert_eq!(sovereign_balance_after + fee.local, sovereign_balance_before);
+ });
+}
+
+#[test]
+fn charge_fee_for_upgrade() {
+ new_test_ext(true).execute_with(|| {
+ let para_id: u32 = TestParaId::get();
+ let origin = RuntimeOrigin::root();
+ let address: H160 = [1_u8; 20].into();
+ let code_hash: H256 = [1_u8; 32].into();
+ let initializer: Option<Initializer> =
+ Some(Initializer { params: [0; 256].into(), maximum_required_gas: 10000 });
+ assert_ok!(EthereumSystem::upgrade(origin, address, code_hash, initializer.clone()));
+
+ // assert sovereign_balance does not change as we do not charge for sudo operations
+ let sovereign_account = sibling_sovereign_account::<Test>(para_id.into());
+ let sovereign_balance = Balances::balance(&sovereign_account);
+ assert_eq!(sovereign_balance, InitialFunding::get());
+ });
+}
+
+#[test]
+fn genesis_build_initializes_correctly() {
+ new_test_ext(true).execute_with(|| {
+ assert!(EthereumSystem::is_initialized(), "Ethereum uninitialized.");
+ });
+}
+
+#[test]
+fn no_genesis_build_is_uninitialized() {
+ new_test_ext(false).execute_with(|| {
+ assert!(!EthereumSystem::is_initialized(), "Ethereum initialized.");
+ });
+}
diff --git a/bridges/snowbridge/pallets/system/src/weights.rs b/bridges/snowbridge/pallets/system/src/weights.rs
new file mode 100644
index 0000000000000..6e532a0d8a8c1
--- /dev/null
+++ b/bridges/snowbridge/pallets/system/src/weights.rs
@@ -0,0 +1,249 @@
+
+//! Autogenerated weights for `snowbridge_system`
+//!
+//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 4.0.0-dev
+//! DATE: 2023-10-09, STEPS: `2`, REPEAT: `1`, LOW RANGE: `[]`, HIGH RANGE: `[]`
+//! WORST CASE MAP SIZE: `1000000`
+//! HOSTNAME: `crake.local`, CPU: `<UNKNOWN>`
+//! WASM-EXECUTION: `Compiled`, CHAIN: `Some("bridge-hub-rococo-dev")`, DB CACHE: `1024`
+
+// Executed Command:
+// target/release/polkadot-parachain
+// benchmark
+// pallet
+// --chain
+// bridge-hub-rococo-dev
+// --pallet=snowbridge_system
+// --extrinsic=*
+// --execution=wasm
+// --wasm-execution=compiled
+// --template
+// ../parachain/templates/module-weight-template.hbs
+// --output
+// ../parachain/pallets/control/src/weights.rs
+
+#![cfg_attr(rustfmt, rustfmt_skip)]
+#![allow(unused_parens)]
+#![allow(unused_imports)]
+#![allow(missing_docs)]
+
+use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
+use core::marker::PhantomData;
+
+/// Weight functions needed for `snowbridge_system`.
+pub trait WeightInfo {
+ fn upgrade() -> Weight;
+ fn create_agent() -> Weight;
+ fn create_channel() -> Weight;
+ fn update_channel() -> Weight;
+ fn force_update_channel() -> Weight;
+ fn set_operating_mode() -> Weight;
+ fn transfer_native_from_agent() -> Weight;
+ fn force_transfer_native_from_agent() -> Weight;
+ fn set_token_transfer_fees() -> Weight;
+ fn set_pricing_parameters() -> Weight;
+}
+
+// For backwards compatibility and tests.
+impl WeightInfo for () {
+ /// Storage: ParachainInfo ParachainId (r:1 w:0)
+ /// Proof: ParachainInfo ParachainId (max_values: Some(1), max_size: Some(4), added: 499, mode: MaxEncodedLen)
+ /// Storage: EthereumOutboundQueue PalletOperatingMode (r:1 w:0)
+ /// Proof: EthereumOutboundQueue PalletOperatingMode (max_values: Some(1), max_size: Some(1), added: 496, mode: MaxEncodedLen)
+ /// Storage: MessageQueue BookStateFor (r:1 w:1)
+ /// Proof: MessageQueue BookStateFor (max_values: None, max_size: Some(52), added: 2527, mode: MaxEncodedLen)
+ /// Storage: MessageQueue ServiceHead (r:1 w:1)
+ /// Proof: MessageQueue ServiceHead (max_values: Some(1), max_size: Some(5), added: 500, mode: MaxEncodedLen)
+ /// Storage: MessageQueue Pages (r:0 w:1)
+ /// Proof: MessageQueue Pages (max_values: None, max_size: Some(65585), added: 68060, mode: MaxEncodedLen)
+ fn upgrade() -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `80`
+ // Estimated: `3517`
+ // Minimum execution time: 44_000_000 picoseconds.
+ Weight::from_parts(44_000_000, 3517)
+ .saturating_add(RocksDbWeight::get().reads(4_u64))
+ .saturating_add(RocksDbWeight::get().writes(3_u64))
+ }
+ /// Storage: EthereumSystem Agents (r:1 w:1)
+ /// Proof: EthereumSystem Agents (max_values: None, max_size: Some(40), added: 2515, mode: MaxEncodedLen)
+ /// Storage: System Account (r:2 w:2)
+ /// Proof: System Account (max_values: None, max_size: Some(128), added: 2603, mode: MaxEncodedLen)
+ /// Storage: ParachainInfo ParachainId (r:1 w:0)
+ /// Proof: ParachainInfo ParachainId (max_values: Some(1), max_size: Some(4), added: 499, mode: MaxEncodedLen)
+ /// Storage: EthereumOutboundQueue PalletOperatingMode (r:1 w:0)
+ /// Proof: EthereumOutboundQueue PalletOperatingMode (max_values: Some(1), max_size: Some(1), added: 496, mode: MaxEncodedLen)
+ /// Storage: MessageQueue BookStateFor (r:1 w:1)
+ /// Proof: MessageQueue BookStateFor (max_values: None, max_size: Some(52), added: 2527, mode: MaxEncodedLen)
+ /// Storage: MessageQueue ServiceHead (r:1 w:1)
+ /// Proof: MessageQueue ServiceHead (max_values: Some(1), max_size: Some(5), added: 500, mode: MaxEncodedLen)
+ /// Storage: MessageQueue Pages (r:0 w:1)
+ /// Proof: MessageQueue Pages (max_values: None, max_size: Some(65585), added: 68060, mode: MaxEncodedLen)
+ fn create_agent() -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `187`
+ // Estimated: `6196`
+ // Minimum execution time: 85_000_000 picoseconds.
+ Weight::from_parts(85_000_000, 6196)
+ .saturating_add(RocksDbWeight::get().reads(7_u64))
+ .saturating_add(RocksDbWeight::get().writes(6_u64))
+ }
+ /// Storage: System Account (r:2 w:2)
+ /// Proof: System Account (max_values: None, max_size: Some(128), added: 2603, mode: MaxEncodedLen)
+ /// Storage: EthereumSystem Agents (r:1 w:0)
+ /// Proof: EthereumSystem Agents (max_values: None, max_size: Some(40), added: 2515, mode: MaxEncodedLen)
+ /// Storage: EthereumSystem Channels (r:1 w:1)
+ /// Proof: EthereumSystem Channels (max_values: None, max_size: Some(12), added: 2487, mode: MaxEncodedLen)
+ /// Storage: ParachainInfo ParachainId (r:1 w:0)
+ /// Proof: ParachainInfo ParachainId (max_values: Some(1), max_size: Some(4), added: 499, mode: MaxEncodedLen)
+ /// Storage: EthereumOutboundQueue PalletOperatingMode (r:1 w:0)
+ /// Proof: EthereumOutboundQueue PalletOperatingMode (max_values: Some(1), max_size: Some(1), added: 496, mode: MaxEncodedLen)
+ /// Storage: MessageQueue BookStateFor (r:1 w:1)
+ /// Proof: MessageQueue BookStateFor (max_values: None, max_size: Some(52), added: 2527, mode: MaxEncodedLen)
+ /// Storage: MessageQueue Pages (r:1 w:1)
+ /// Proof: MessageQueue Pages (max_values: None, max_size: Some(65585), added: 68060, mode: MaxEncodedLen)
+ fn create_channel() -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `602`
+ // Estimated: `69050`
+ // Minimum execution time: 83_000_000 picoseconds.
+ Weight::from_parts(83_000_000, 69050)
+ .saturating_add(RocksDbWeight::get().reads(8_u64))
+ .saturating_add(RocksDbWeight::get().writes(5_u64))
+ }
+ /// Storage: EthereumSystem Channels (r:1 w:0)
+ /// Proof: EthereumSystem Channels (max_values: None, max_size: Some(12), added: 2487, mode: MaxEncodedLen)
+ /// Storage: EthereumOutboundQueue PalletOperatingMode (r:1 w:0)
+ /// Proof: EthereumOutboundQueue PalletOperatingMode (max_values: Some(1), max_size: Some(1), added: 496, mode: MaxEncodedLen)
+ /// Storage: MessageQueue BookStateFor (r:2 w:2)
+ /// Proof: MessageQueue BookStateFor (max_values: None, max_size: Some(52), added: 2527, mode: MaxEncodedLen)
+ /// Storage: MessageQueue ServiceHead (r:1 w:0)
+ /// Proof: MessageQueue ServiceHead (max_values: Some(1), max_size: Some(5), added: 500, mode: MaxEncodedLen)
+ /// Storage: MessageQueue Pages (r:0 w:1)
+ /// Proof: MessageQueue Pages (max_values: None, max_size: Some(65585), added: 68060, mode: MaxEncodedLen)
+ fn update_channel() -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `256`
+ // Estimated: `6044`
+ // Minimum execution time: 40_000_000 picoseconds.
+ Weight::from_parts(40_000_000, 6044)
+ .saturating_add(RocksDbWeight::get().reads(5_u64))
+ .saturating_add(RocksDbWeight::get().writes(3_u64))
+ }
+ /// Storage: EthereumSystem Channels (r:1 w:0)
+ /// Proof: EthereumSystem Channels (max_values: None, max_size: Some(12), added: 2487, mode: MaxEncodedLen)
+ /// Storage: EthereumOutboundQueue PalletOperatingMode (r:1 w:0)
+ /// Proof: EthereumOutboundQueue PalletOperatingMode (max_values: Some(1), max_size: Some(1), added: 496, mode: MaxEncodedLen)
+ /// Storage: MessageQueue BookStateFor (r:2 w:2)
+ /// Proof: MessageQueue BookStateFor (max_values: None, max_size: Some(52), added: 2527, mode: MaxEncodedLen)
+ /// Storage: MessageQueue ServiceHead (r:1 w:0)
+ /// Proof: MessageQueue ServiceHead (max_values: Some(1), max_size: Some(5), added: 500, mode: MaxEncodedLen)
+ /// Storage: MessageQueue Pages (r:0 w:1)
+ /// Proof: MessageQueue Pages (max_values: None, max_size: Some(65585), added: 68060, mode: MaxEncodedLen)
+ fn force_update_channel() -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `256`
+ // Estimated: `6044`
+ // Minimum execution time: 41_000_000 picoseconds.
+ Weight::from_parts(41_000_000, 6044)
+ .saturating_add(RocksDbWeight::get().reads(5_u64))
+ .saturating_add(RocksDbWeight::get().writes(3_u64))
+ }
+ /// Storage: ParachainInfo ParachainId (r:1 w:0)
+ /// Proof: ParachainInfo ParachainId (max_values: Some(1), max_size: Some(4), added: 499, mode: MaxEncodedLen)
+ /// Storage: EthereumOutboundQueue PalletOperatingMode (r:1 w:0)
+ /// Proof: EthereumOutboundQueue PalletOperatingMode (max_values: Some(1), max_size: Some(1), added: 496, mode: MaxEncodedLen)
+ /// Storage: MessageQueue BookStateFor (r:1 w:1)
+ /// Proof: MessageQueue BookStateFor (max_values: None, max_size: Some(52), added: 2527, mode: MaxEncodedLen)
+ /// Storage: MessageQueue ServiceHead (r:1 w:1)
+ /// Proof: MessageQueue ServiceHead (max_values: Some(1), max_size: Some(5), added: 500, mode: MaxEncodedLen)
+ /// Storage: MessageQueue Pages (r:0 w:1)
+ /// Proof: MessageQueue Pages (max_values: None, max_size: Some(65585), added: 68060, mode: MaxEncodedLen)
+ fn set_operating_mode() -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `80`
+ // Estimated: `3517`
+ // Minimum execution time: 31_000_000 picoseconds.
+ Weight::from_parts(31_000_000, 3517)
+ .saturating_add(RocksDbWeight::get().reads(4_u64))
+ .saturating_add(RocksDbWeight::get().writes(3_u64))
+ }
+ /// Storage: EthereumSystem Agents (r:1 w:0)
+ /// Proof: EthereumSystem Agents (max_values: None, max_size: Some(40), added: 2515, mode: MaxEncodedLen)
+ /// Storage: EthereumOutboundQueue PalletOperatingMode (r:1 w:0)
+ /// Proof: EthereumOutboundQueue PalletOperatingMode (max_values: Some(1), max_size: Some(1), added: 496, mode: MaxEncodedLen)
+ /// Storage: MessageQueue BookStateFor (r:2 w:2)
+ /// Proof: MessageQueue BookStateFor (max_values: None, max_size: Some(52), added: 2527, mode: MaxEncodedLen)
+ /// Storage: MessageQueue ServiceHead (r:1 w:0)
+ /// Proof: MessageQueue ServiceHead (max_values: Some(1), max_size: Some(5), added: 500, mode: MaxEncodedLen)
+ /// Storage: MessageQueue Pages (r:0 w:1)
+ /// Proof: MessageQueue Pages (max_values: None, max_size: Some(65585), added: 68060, mode: MaxEncodedLen)
+ fn transfer_native_from_agent() -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `252`
+ // Estimated: `6044`
+ // Minimum execution time: 45_000_000 picoseconds.
+ Weight::from_parts(45_000_000, 6044)
+ .saturating_add(RocksDbWeight::get().reads(5_u64))
+ .saturating_add(RocksDbWeight::get().writes(3_u64))
+ }
+ /// Storage: EthereumSystem Agents (r:1 w:0)
+ /// Proof: EthereumSystem Agents (max_values: None, max_size: Some(40), added: 2515, mode: MaxEncodedLen)
+ /// Storage: EthereumOutboundQueue PalletOperatingMode (r:1 w:0)
+ /// Proof: EthereumOutboundQueue PalletOperatingMode (max_values: Some(1), max_size: Some(1), added: 496, mode: MaxEncodedLen)
+ /// Storage: MessageQueue BookStateFor (r:2 w:2)
+ /// Proof: MessageQueue BookStateFor (max_values: None, max_size: Some(52), added: 2527, mode: MaxEncodedLen)
+ /// Storage: MessageQueue ServiceHead (r:1 w:0)
+ /// Proof: MessageQueue ServiceHead (max_values: Some(1), max_size: Some(5), added: 500, mode: MaxEncodedLen)
+ /// Storage: MessageQueue Pages (r:0 w:1)
+ /// Proof: MessageQueue Pages (max_values: None, max_size: Some(65585), added: 68060, mode: MaxEncodedLen)
+ fn force_transfer_native_from_agent() -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `252`
+ // Estimated: `6044`
+ // Minimum execution time: 42_000_000 picoseconds.
+ Weight::from_parts(42_000_000, 6044)
+ .saturating_add(RocksDbWeight::get().reads(5_u64))
+ .saturating_add(RocksDbWeight::get().writes(3_u64))
+ }
+
+ /// Storage: ParachainInfo ParachainId (r:1 w:0)
+ /// Proof: ParachainInfo ParachainId (max_values: Some(1), max_size: Some(4), added: 499, mode: MaxEncodedLen)
+ /// Storage: EthereumOutboundQueue PalletOperatingMode (r:1 w:0)
+ /// Proof: EthereumOutboundQueue PalletOperatingMode (max_values: Some(1), max_size: Some(1), added: 496, mode: MaxEncodedLen)
+ /// Storage: MessageQueue BookStateFor (r:1 w:1)
+ /// Proof: MessageQueue BookStateFor (max_values: None, max_size: Some(52), added: 2527, mode: MaxEncodedLen)
+ /// Storage: MessageQueue ServiceHead (r:1 w:1)
+ /// Proof: MessageQueue ServiceHead (max_values: Some(1), max_size: Some(5), added: 500, mode: MaxEncodedLen)
+ /// Storage: MessageQueue Pages (r:0 w:1)
+ /// Proof: MessageQueue Pages (max_values: None, max_size: Some(65585), added: 68060, mode: MaxEncodedLen)
+ fn set_token_transfer_fees() -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `80`
+ // Estimated: `3517`
+ // Minimum execution time: 31_000_000 picoseconds.
+ Weight::from_parts(42_000_000, 3517)
+ .saturating_add(RocksDbWeight::get().reads(4_u64))
+ .saturating_add(RocksDbWeight::get().writes(3_u64))
+ }
+
+ /// Storage: ParachainInfo ParachainId (r:1 w:0)
+ /// Proof: ParachainInfo ParachainId (max_values: Some(1), max_size: Some(4), added: 499, mode: MaxEncodedLen)
+ /// Storage: EthereumOutboundQueue PalletOperatingMode (r:1 w:0)
+ /// Proof: EthereumOutboundQueue PalletOperatingMode (max_values: Some(1), max_size: Some(1), added: 496, mode: MaxEncodedLen)
+ /// Storage: MessageQueue BookStateFor (r:1 w:1)
+ /// Proof: MessageQueue BookStateFor (max_values: None, max_size: Some(52), added: 2527, mode: MaxEncodedLen)
+ /// Storage: MessageQueue ServiceHead (r:1 w:1)
+ /// Proof: MessageQueue ServiceHead (max_values: Some(1), max_size: Some(5), added: 500, mode: MaxEncodedLen)
+ /// Storage: MessageQueue Pages (r:0 w:1)
+ /// Proof: MessageQueue Pages (max_values: None, max_size: Some(65585), added: 68060, mode: MaxEncodedLen)
+ fn set_pricing_parameters() -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `80`
+ // Estimated: `3517`
+ // Minimum execution time: 31_000_000 picoseconds.
+ Weight::from_parts(42_000_000, 3517)
+ .saturating_add(RocksDbWeight::get().reads(4_u64))
+ .saturating_add(RocksDbWeight::get().writes(3_u64))
+ }
+}
diff --git a/bridges/snowbridge/primitives/beacon/Cargo.toml b/bridges/snowbridge/primitives/beacon/Cargo.toml
new file mode 100644
index 0000000000000..bb30eae33b1e9
--- /dev/null
+++ b/bridges/snowbridge/primitives/beacon/Cargo.toml
@@ -0,0 +1,57 @@
+[package]
+name = "snowbridge-beacon-primitives"
+description = "Snowbridge Beacon Primitives"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[dependencies]
+serde = { version = "1.0.195", optional = true, features = ["derive"] }
+hex = { version = "0.4", default-features = false }
+codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false }
+scale-info = { version = "2.9.0", default-features = false, features = ["derive"] }
+rlp = { version = "0.5", default-features = false }
+
+frame-support = { path = "../../../../substrate/frame/support", default-features = false }
+frame-system = { path = "../../../../substrate/frame/system", default-features = false }
+sp-runtime = { path = "../../../../substrate/primitives/runtime", default-features = false }
+sp-core = { path = "../../../../substrate/primitives/core", default-features = false }
+sp-std = { path = "../../../../substrate/primitives/std", default-features = false }
+sp-io = { path = "../../../../substrate/primitives/io", default-features = false }
+
+ssz_rs = { version = "0.9.0", default-features = false }
+ssz_rs_derive = { version = "0.9.0", default-features = false }
+byte-slice-cast = { version = "1.2.1", default-features = false }
+
+snowbridge-ethereum = { path = "../ethereum", default-features = false }
+static_assertions = { version = "1.1.0" }
+milagro-bls = { package = "snowbridge-milagro-bls", version = "1.5.4", default-features = false }
+
+[dev-dependencies]
+hex-literal = { version = "0.4.1" }
+
+[features]
+default = ["std"]
+std = [
+ "byte-slice-cast/std",
+ "codec/std",
+ "frame-support/std",
+ "frame-system/std",
+ "hex/std",
+ "milagro-bls/std",
+ "rlp/std",
+ "scale-info/std",
+ "serde",
+ "snowbridge-ethereum/std",
+ "sp-core/std",
+ "sp-io/std",
+ "sp-runtime/std",
+ "sp-std/std",
+ "ssz_rs/std",
+]
diff --git a/bridges/snowbridge/primitives/beacon/README.md b/bridges/snowbridge/primitives/beacon/README.md
new file mode 100644
index 0000000000000..658d7c5be7df6
--- /dev/null
+++ b/bridges/snowbridge/primitives/beacon/README.md
@@ -0,0 +1,10 @@
+# Beacon Primitives
+
+Crate with low-level supporting functions for the beacon client, including:
+
+- bls12-381 signature handling to verify signatures on the beacon chain
+- merkle proofs
+- receipt verification
+- ssz types
+
+The code in this crate relates to the Ethereum consensus chain, commonly referred to as the beacon chain.
diff --git a/bridges/snowbridge/primitives/beacon/src/bits.rs b/bridges/snowbridge/primitives/beacon/src/bits.rs
new file mode 100644
index 0000000000000..72b7135ee2939
--- /dev/null
+++ b/bridges/snowbridge/primitives/beacon/src/bits.rs
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use sp_std::{convert::TryInto, prelude::*};
+use ssz_rs::{Bitvector, Deserialize};
+
+pub fn decompress_sync_committee_bits<
+ const SYNC_COMMITTEE_SIZE: usize,
+ const SYNC_COMMITTEE_BITS_SIZE: usize,
+>(
+ input: [u8; SYNC_COMMITTEE_BITS_SIZE],
+) -> [u8; SYNC_COMMITTEE_SIZE] {
+ Bitvector::<{ SYNC_COMMITTEE_SIZE }>::deserialize(&input)
+ .expect("checked statically; qed")
+ .iter()
+ .map(|bit| u8::from(bit == true))
+ .collect::<Vec<u8>>()
+ .try_into()
+ .expect("checked statically; qed")
+}
diff --git a/bridges/snowbridge/primitives/beacon/src/bls.rs b/bridges/snowbridge/primitives/beacon/src/bls.rs
new file mode 100644
index 0000000000000..589b72e67348f
--- /dev/null
+++ b/bridges/snowbridge/primitives/beacon/src/bls.rs
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use crate::{PublicKey, Signature};
+use codec::{Decode, Encode};
+use frame_support::{ensure, PalletError};
+pub use milagro_bls::{
+ AggregatePublicKey, AggregateSignature, PublicKey as PublicKeyPrepared,
+ Signature as SignaturePrepared,
+};
+use scale_info::TypeInfo;
+use sp_core::H256;
+use sp_runtime::RuntimeDebug;
+use sp_std::prelude::*;
+
+#[derive(Copy, Clone, Encode, Decode, Eq, PartialEq, TypeInfo, RuntimeDebug, PalletError)]
+pub enum BlsError {
+ InvalidSignature,
+ InvalidPublicKey,
+ InvalidAggregatePublicKeys,
+ SignatureVerificationFailed,
+}
+
+/// fast_aggregate_verify optimized with aggregate key subtracting absent ones.
+pub fn fast_aggregate_verify(
+ aggregate_pubkey: &PublicKeyPrepared,
+ absent_pubkeys: &Vec<PublicKeyPrepared>,
+ message: H256,
+ signature: &Signature,
+) -> Result<(), BlsError> {
+ let agg_sig = prepare_aggregate_signature(signature)?;
+ let agg_key = prepare_aggregate_pubkey_from_absent(aggregate_pubkey, absent_pubkeys)?;
+ fast_aggregate_verify_pre_aggregated(agg_sig, agg_key, message)
+}
+
+/// Decompress one public key into a point in G1.
+pub fn prepare_milagro_pubkey(pubkey: &PublicKey) -> Result<PublicKeyPrepared, BlsError> {
+ PublicKeyPrepared::from_bytes_unchecked(&pubkey.0).map_err(|_| BlsError::InvalidPublicKey)
+}
+
+/// Prepare for G1 public keys.
+pub fn prepare_g1_pubkeys(pubkeys: &[PublicKey]) -> Result<Vec<PublicKeyPrepared>, BlsError> {
+ pubkeys
+ .iter()
+ // Deserialize one public key from compressed bytes
+ .map(prepare_milagro_pubkey)
+ .collect::<Result<Vec<PublicKeyPrepared>, BlsError>>()
+}
+
+/// Prepare for G1 AggregatePublicKey.
+pub fn prepare_aggregate_pubkey(
+ pubkeys: &[PublicKeyPrepared],
+) -> Result<AggregatePublicKey, BlsError> {
+ AggregatePublicKey::into_aggregate(pubkeys).map_err(|_| BlsError::InvalidPublicKey)
+}
+
+/// Prepare for G1 AggregatePublicKey.
+pub fn prepare_aggregate_pubkey_from_absent(
+ aggregate_key: &PublicKeyPrepared,
+ absent_pubkeys: &Vec<PublicKeyPrepared>,
+) -> Result<AggregatePublicKey, BlsError> {
+ let mut aggregate_pubkey = AggregatePublicKey::from_public_key(aggregate_key);
+ if !absent_pubkeys.is_empty() {
+ let absent_aggregate_key = prepare_aggregate_pubkey(absent_pubkeys)?;
+ aggregate_pubkey.point.sub(&absent_aggregate_key.point);
+ }
+ Ok(AggregatePublicKey { point: aggregate_pubkey.point })
+}
+
+/// Prepare for G2 AggregateSignature, normally more expensive than G1 operation.
+pub fn prepare_aggregate_signature(signature: &Signature) -> Result<AggregateSignature, BlsError> {
+ Ok(AggregateSignature::from_signature(
+ &SignaturePrepared::from_bytes(&signature.0).map_err(|_| BlsError::InvalidSignature)?,
+ ))
+}
+
+/// fast_aggregate_verify_pre_aggregated which is the most expensive call in beacon light client.
+pub fn fast_aggregate_verify_pre_aggregated(
+ agg_sig: AggregateSignature,
+ aggregate_key: AggregatePublicKey,
+ message: H256,
+) -> Result<(), BlsError> {
+ ensure!(
+ agg_sig.fast_aggregate_verify_pre_aggregated(&message[..], &aggregate_key),
+ BlsError::SignatureVerificationFailed
+ );
+ Ok(())
+}
diff --git a/bridges/snowbridge/primitives/beacon/src/config.rs b/bridges/snowbridge/primitives/beacon/src/config.rs
new file mode 100644
index 0000000000000..aa5fda706f993
--- /dev/null
+++ b/bridges/snowbridge/primitives/beacon/src/config.rs
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+pub const MAX_PROOF_SIZE: u32 = 20;
+
+pub const FEE_RECIPIENT_SIZE: usize = 20;
+pub const EXTRA_DATA_SIZE: usize = 32;
+pub const LOGS_BLOOM_SIZE: usize = 256;
+
+pub const PUBKEY_SIZE: usize = 48;
+pub const SIGNATURE_SIZE: usize = 96;
diff --git a/bridges/snowbridge/primitives/beacon/src/lib.rs b/bridges/snowbridge/primitives/beacon/src/lib.rs
new file mode 100644
index 0000000000000..4c569d0176c21
--- /dev/null
+++ b/bridges/snowbridge/primitives/beacon/src/lib.rs
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+#![cfg_attr(not(feature = "std"), no_std)]
+
+pub mod bits;
+pub mod bls;
+pub mod config;
+pub mod merkle_proof;
+pub mod receipt;
+pub mod ssz;
+pub mod types;
+pub mod updates;
+
+#[cfg(feature = "std")]
+mod serde_utils;
+
+pub use types::{
+ BeaconHeader, CompactBeaconState, CompactExecutionHeader, ExecutionHeaderState,
+ ExecutionPayloadHeader, FinalizedHeaderState, Fork, ForkData, ForkVersion, ForkVersions, Mode,
+ PublicKey, Signature, SigningData, SyncAggregate, SyncCommittee, SyncCommitteePrepared,
+ VersionedExecutionPayloadHeader,
+};
+pub use updates::{CheckpointUpdate, ExecutionHeaderUpdate, NextSyncCommitteeUpdate, Update};
+
+pub use bits::decompress_sync_committee_bits;
+pub use bls::{
+ fast_aggregate_verify, prepare_aggregate_pubkey, prepare_aggregate_pubkey_from_absent,
+ prepare_aggregate_signature, prepare_g1_pubkeys, AggregatePublicKey, AggregateSignature,
+ BlsError, PublicKeyPrepared, SignaturePrepared,
+};
+pub use merkle_proof::verify_merkle_branch;
+pub use receipt::verify_receipt_proof;
diff --git a/bridges/snowbridge/primitives/beacon/src/merkle_proof.rs b/bridges/snowbridge/primitives/beacon/src/merkle_proof.rs
new file mode 100644
index 0000000000000..a6ee6e9452c39
--- /dev/null
+++ b/bridges/snowbridge/primitives/beacon/src/merkle_proof.rs
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use sp_core::H256;
+use sp_io::hashing::sha2_256;
+
+/// Specified by <https://github.com/ethereum/consensus-specs/blob/fe9c1a8cbf0c2da8a4f349efdcd77dd7ac8445c4/specs/phase0/beacon-chain.md?plain=1#L742>
+/// with improvements from <https://github.com/ethereum/consensus-specs/blob/dev/ssz/merkle-proofs.md>
+pub fn verify_merkle_branch(
+ leaf: H256,
+ branch: &[H256],
+ index: usize,
+ depth: usize,
+ root: H256,
+) -> bool {
+ // verify the proof length
+ if branch.len() != depth {
+ return false
+ }
+ // verify the computed merkle root
+ root == compute_merkle_root(leaf, branch, index)
+}
+
+fn compute_merkle_root(leaf: H256, proof: &[H256], index: usize) -> H256 {
+ let mut value: [u8; 32] = leaf.into();
+ for (i, node) in proof.iter().enumerate() {
+ let mut data = [0u8; 64];
+ if generalized_index_bit(index, i) {
+ // right node
+ data[0..32].copy_from_slice(node.as_bytes());
+ data[32..64].copy_from_slice(&value);
+ value = sha2_256(&data);
+ } else {
+ // left node
+ data[0..32].copy_from_slice(&value);
+ data[32..64].copy_from_slice(node.as_bytes());
+ value = sha2_256(&data);
+ }
+ }
+ value.into()
+}
+
+/// Spec: <https://github.com/ethereum/consensus-specs/blob/fe9c1a8cbf0c2da8a4f349efdcd77dd7ac8445c4/ssz/merkle-proofs.md#get_generalized_index_bit>
+fn generalized_index_bit(index: usize, position: usize) -> bool {
+ index & (1 << position) > 0
+}
+
+/// Spec: <https://github.com/ethereum/consensus-specs/blob/fe9c1a8cbf0c2da8a4f349efdcd77dd7ac8445c4/specs/altair/light-client/sync-protocol.md#get_subtree_index>
+pub const fn subtree_index(generalized_index: usize) -> usize {
+ generalized_index % (1 << generalized_index_length(generalized_index))
+}
+
+/// Spec: <https://github.com/ethereum/consensus-specs/blob/fe9c1a8cbf0c2da8a4f349efdcd77dd7ac8445c4/ssz/merkle-proofs.md#get_generalized_index_length>
+pub const fn generalized_index_length(generalized_index: usize) -> usize {
+ match generalized_index.checked_ilog2() {
+ Some(v) => v as usize,
+ None => panic!("checked statically; qed"),
+ }
+}
diff --git a/bridges/snowbridge/primitives/beacon/src/receipt.rs b/bridges/snowbridge/primitives/beacon/src/receipt.rs
new file mode 100644
index 0000000000000..0588f3f73f715
--- /dev/null
+++ b/bridges/snowbridge/primitives/beacon/src/receipt.rs
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use sp_core::H256;
+use sp_io::hashing::keccak_256;
+use sp_std::prelude::*;
+
+use snowbridge_ethereum::{mpt, Receipt};
+
+pub fn verify_receipt_proof(
+ receipts_root: H256,
+ proof: &[Vec<u8>],
+) -> Option<Result<Receipt, rlp::DecoderError>> {
+ match apply_merkle_proof(proof) {
+ Some((root, data)) if root == receipts_root => Some(rlp::decode(&data)),
+ Some((_, _)) => None,
+ None => None,
+ }
+}
+
+fn apply_merkle_proof(proof: &[Vec<u8>]) -> Option<(H256, Vec<u8>)> {
+ let mut iter = proof.iter().rev();
+ let first_bytes = match iter.next() {
+ Some(b) => b,
+ None => return None,
+ };
+ let item_to_prove: mpt::ShortNode = rlp::decode(first_bytes).ok()?;
+
+ let final_hash: Option<[u8; 32]> = iter.try_fold(keccak_256(first_bytes), |acc, x| {
+ let node: Box<dyn mpt::Node> = x.as_slice().try_into().ok()?;
+ if (*node).contains_hash(acc.into()) {
+ return Some(keccak_256(x))
+ }
+ None
+ });
+
+ final_hash.map(|hash| (hash.into(), item_to_prove.value))
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use hex_literal::hex;
+
+ #[test]
+ fn test_verify_receipt_proof() {
+ let root: H256 =
+ hex!("fd5e397a84884641f53c496804f24b5276cbb8c5c9cfc2342246be8e3ce5ad02").into();
+
+ // Valid proof
+ let proof_receipt5 = vec!(
+ hex!("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").to_vec(),
+ hex!("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").to_vec(),
+ hex!("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").to_vec(),
+ );
+ assert!(verify_receipt_proof(root, &proof_receipt5).is_some());
+
+ // Various invalid proofs
+ let proof_empty: Vec<Vec<u8>> = vec![];
+ let proof_missing_full_node = vec![proof_receipt5[0].clone(), proof_receipt5[2].clone()];
+ let proof_missing_short_node1 = vec![proof_receipt5[0].clone(), proof_receipt5[1].clone()];
+ let proof_missing_short_node2 = vec![proof_receipt5[0].clone()];
+ let proof_invalid_encoding = vec![proof_receipt5[2][2..].to_vec()];
+ let proof_no_full_node = vec![proof_receipt5[2].clone(), proof_receipt5[2].clone()];
+ assert!(verify_receipt_proof(root, &proof_empty).is_none());
+ assert!(verify_receipt_proof(root, &proof_missing_full_node).is_none());
+
+ assert_eq!(
+ verify_receipt_proof(root, &proof_missing_short_node1),
+ Some(Err(rlp::DecoderError::Custom("Unsupported receipt type")))
+ );
+
+ assert_eq!(
+ verify_receipt_proof(root, &proof_missing_short_node2),
+ Some(Err(rlp::DecoderError::Custom("Unsupported receipt type")))
+ );
+
+ assert!(verify_receipt_proof(root, &proof_invalid_encoding).is_none());
+ assert!(verify_receipt_proof(root, &proof_no_full_node).is_none());
+ }
+
+ #[test]
+ fn test_verify_receipt_proof_with_intermediate_short_node() {
+ let root: H256 =
+ hex!("d128e3a57142d2bf15bc0cbcac7ad54f40750d571b5c3097e425882c10c9ba66").into();
+
+ let proof_receipt263 = vec![
+ hex!("f90131a00d3cb8d3f57ac1c0e12918a2ebe0cafed8c273577b9dd73e7ed1079b403ef494a0678b9835b834f8a287c0dd33a8fca9146e456ca688555ed4ec1361a2180b778da0fe42da181a46677a043b3d9d4b8bb05a6a17b7b5c010c17e7c1d31cfb7c4f911a0c89f0e2c53241cdb578e1f2b4caf6ba36e00500bdc57fecd66b84a6a58394c19a086c3c1fae5a0575940b5d38e111c469d07883106c26856f3ef608469a2081f13a06c5992ff00aab6226a70a032fd2f571ba22f797321f45e2daa73020d638d21b0a050861e9503ef68728f6c90a44f7fe1bceb2a9bdab6957bbe7136166bd849561ea006aa6eaca8a07e57176e9aa41e6a09edfb7678d1a112404e0ec779d7e567e82ea0bb0b430d303ba21b0af11c487b8a218bd75db54c98940b3f11bad8ff47cad3ef8080808080808080").to_vec(),
+ hex!("f871a0246de222036ee6a03329b0105da0a6b3f916fc95a9ed5a403a581a0c4d74242ca0ac108a49a88b57a05ac34a108b39f1e45f6f167f2b9fbc8d52fb58e2e5a6af1ea0fcfe07ac2ccd3c28b6eab68d1bce112f6f6dbd9023e4ec3c05b96615aa803d798080808080808080808080808080").to_vec(),
+ hex!("e4820001a04fff54398cad4d05ea6abfd8b0f3b4fe14c04d7ff5f5211c5b927d9cf72ac1d8").to_vec(),
+ hex!("f851a096d010643ca2d47412ca66898286b5f2412963b9ec051b33e570d575914c9c5ca028cd24c652989542fe89479ec6388eac4592432242af5ba97563b3ac7c71c019808080808080808080808080808080").to_vec(),
+ hex!("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").to_vec(),
+ hex!("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").to_vec(),
+ ];
+ assert!(verify_receipt_proof(root, &proof_receipt263).is_some());
+ }
+}
diff --git a/bridges/snowbridge/primitives/beacon/src/serde_utils.rs b/bridges/snowbridge/primitives/beacon/src/serde_utils.rs
new file mode 100644
index 0000000000000..07f5cbe724ed9
--- /dev/null
+++ b/bridges/snowbridge/primitives/beacon/src/serde_utils.rs
@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use sp_core::U256;
+
+use core::fmt::Formatter;
+use serde::{Deserialize, Deserializer};
+
+// helper to deserialize arbitrary arrays like [T; N]
+pub mod arrays {
+ use std::{convert::TryInto, marker::PhantomData};
+
+ use serde::{
+ de::{SeqAccess, Visitor},
+ ser::SerializeTuple,
+ Deserialize, Deserializer, Serialize, Serializer,
+ };
+
+ pub fn serialize<S: Serializer, T: Serialize, const N: usize>(
+ data: &[T; N],
+ ser: S,
+ ) -> Result<S::Ok, S::Error> {
+ let mut s = ser.serialize_tuple(N)?;
+ for item in data {
+ s.serialize_element(item)?;
+ }
+ s.end()
+ }
+
+ struct ArrayVisitor<T, const N: usize>(PhantomData<T>);
+
+ impl<'de, T, const N: usize> Visitor<'de> for ArrayVisitor<T, N>
+ where
+ T: Deserialize<'de>,
+ {
+ type Value = [T; N];
+
+ fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
+ formatter.write_str(&format!("an array of length {}", N))
+ }
+
+ #[inline]
+ fn visit_seq<A>(self, mut seq: A) -> Result<Self::Value, A::Error>
+ where
+ A: SeqAccess<'de>,
+ {
+ // can be optimized using MaybeUninit
+ let mut data = Vec::with_capacity(N);
+ for _ in 0..N {
+ match (seq.next_element())? {
+ Some(val) => data.push(val),
+ None => return Err(serde::de::Error::invalid_length(N, &self)),
+ }
+ }
+ match data.try_into() {
+ Ok(arr) => Ok(arr),
+ Err(_) => unreachable!(),
+ }
+ }
+ }
+
+ pub fn deserialize<'de, D, T, const N: usize>(deserializer: D) -> Result<[T; N], D::Error>
+ where
+ D: Deserializer<'de>,
+ T: Deserialize<'de>,
+ {
+ deserializer.deserialize_tuple(N, ArrayVisitor::<T, N>(PhantomData))
+ }
+}
+
+pub(crate) fn from_hex_to_bytes<'de, D>(deserializer: D) -> Result<Vec<u8>, D::Error>
+where
+ D: Deserializer<'de>,
+{
+ let s = String::deserialize(deserializer)?;
+
+ let str_without_0x = match s.strip_prefix("0x") {
+ Some(val) => val,
+ None => &s,
+ };
+
+ let hex_bytes = match hex::decode(str_without_0x) {
+ Ok(bytes) => bytes,
+ Err(e) => return Err(serde::de::Error::custom(e.to_string())),
+ };
+
+ Ok(hex_bytes)
+}
+
+pub(crate) fn from_int_to_u256<'de, D>(deserializer: D) -> Result<U256, D::Error>
+where
+ D: Deserializer<'de>,
+{
+ let number = u128::deserialize(deserializer)?;
+
+ Ok(U256::from(number))
+}
+
+pub struct HexVisitor<const LENGTH: usize>();
+
+impl<'de, const LENGTH: usize> serde::de::Visitor<'de> for HexVisitor<LENGTH> {
+ type Value = [u8; LENGTH];
+
+ fn expecting(&self, formatter: &mut Formatter) -> sp_std::fmt::Result {
+ formatter.write_str("a hex string with an '0x' prefix")
+ }
+
+ fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
+ where
+ E: serde::de::Error,
+ {
+ let stripped = match v.strip_prefix("0x") {
+ Some(stripped) => stripped,
+ None => v,
+ };
+
+ let decoded = match hex::decode(stripped) {
+ Ok(decoded) => decoded,
+ Err(e) => return Err(serde::de::Error::custom(e.to_string())),
+ };
+ if decoded.len() != LENGTH {
+ return Err(serde::de::Error::custom("publickey expected to be 48 characters"))
+ }
+
+ let data: Self::Value = decoded
+ .try_into()
+ .map_err(|_e| serde::de::Error::custom("hex data has unexpected length"))?;
+
+ Ok(data)
+ }
+}
diff --git a/bridges/snowbridge/primitives/beacon/src/ssz.rs b/bridges/snowbridge/primitives/beacon/src/ssz.rs
new file mode 100644
index 0000000000000..0925c3cc701d1
--- /dev/null
+++ b/bridges/snowbridge/primitives/beacon/src/ssz.rs
@@ -0,0 +1,278 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use crate::{
+ config::{EXTRA_DATA_SIZE, FEE_RECIPIENT_SIZE, LOGS_BLOOM_SIZE, PUBKEY_SIZE, SIGNATURE_SIZE},
+ types::{
+ BeaconHeader, ExecutionPayloadHeader, ForkData, SigningData, SyncAggregate, SyncCommittee,
+ },
+};
+use byte_slice_cast::AsByteSlice;
+use sp_core::H256;
+use sp_std::{vec, vec::Vec};
+use ssz_rs::{
+ prelude::{List, Vector},
+ Bitvector, Deserialize, DeserializeError, SimpleSerialize, SimpleSerializeError, Sized, U256,
+};
+use ssz_rs_derive::SimpleSerialize as SimpleSerializeDerive;
+
+#[derive(Default, SimpleSerializeDerive, Clone, Debug)]
+pub struct SSZBeaconBlockHeader {
+ pub slot: u64,
+ pub proposer_index: u64,
+ pub parent_root: [u8; 32],
+ pub state_root: [u8; 32],
+ pub body_root: [u8; 32],
+}
+
+impl From<BeaconHeader> for SSZBeaconBlockHeader {
+ fn from(beacon_header: BeaconHeader) -> Self {
+ SSZBeaconBlockHeader {
+ slot: beacon_header.slot,
+ proposer_index: beacon_header.proposer_index,
+ parent_root: beacon_header.parent_root.to_fixed_bytes(),
+ state_root: beacon_header.state_root.to_fixed_bytes(),
+ body_root: beacon_header.body_root.to_fixed_bytes(),
+ }
+ }
+}
+
+#[derive(Default, SimpleSerializeDerive, Clone)]
+pub struct SSZSyncCommittee<const COMMITTEE_SIZE: usize> {
+ pub pubkeys: Vector<Vector<u8, PUBKEY_SIZE>, COMMITTEE_SIZE>,
+ pub aggregate_pubkey: Vector<u8, PUBKEY_SIZE>,
+}
+
+impl<const COMMITTEE_SIZE: usize> From<SyncCommittee<COMMITTEE_SIZE>>
+ for SSZSyncCommittee<COMMITTEE_SIZE>
+{
+ fn from(sync_committee: SyncCommittee<COMMITTEE_SIZE>) -> Self {
+ let mut pubkeys_vec = Vec::new();
+
+ for pubkey in sync_committee.pubkeys.iter() {
+ // The only thing that can go wrong in the conversion from vec to Vector (ssz type) is
+ // that the Vector size is 0, or that the given data to create the Vector from does not
+ // match the expected size N. Because these sizes are statically checked (i.e.
+ // PublicKey's size is 48, and const PUBKEY_SIZE is 48, it is impossible for "try_from"
+ // to return an error condition.
+ let conv_pubkey = Vector::<u8, PUBKEY_SIZE>::try_from(pubkey.0.to_vec())
+ .expect("checked statically; qed");
+
+ pubkeys_vec.push(conv_pubkey);
+ }
+
+ let pubkeys = Vector::<Vector<u8, PUBKEY_SIZE>, { COMMITTEE_SIZE }>::try_from(pubkeys_vec)
+ .expect("checked statically; qed");
+
+ let aggregate_pubkey =
+ Vector::<u8, PUBKEY_SIZE>::try_from(sync_committee.aggregate_pubkey.0.to_vec())
+ .expect("checked statically; qed");
+
+ SSZSyncCommittee { pubkeys, aggregate_pubkey }
+ }
+}
+
+#[derive(Default, Debug, SimpleSerializeDerive, Clone)]
+pub struct SSZSyncAggregate<const COMMITTEE_SIZE: usize> {
+ pub sync_committee_bits: Bitvector<COMMITTEE_SIZE>,
+ pub sync_committee_signature: Vector<u8, SIGNATURE_SIZE>,
+}
+
+impl<const COMMITTEE_SIZE: usize, const COMMITTEE_BITS_SIZE: usize>
+ From<SyncAggregate<COMMITTEE_SIZE, COMMITTEE_BITS_SIZE>> for SSZSyncAggregate<COMMITTEE_SIZE>
+{
+ fn from(sync_aggregate: SyncAggregate<COMMITTEE_SIZE, COMMITTEE_BITS_SIZE>) -> Self {
+ SSZSyncAggregate {
+ sync_committee_bits: Bitvector::<COMMITTEE_SIZE>::deserialize(
+ &sync_aggregate.sync_committee_bits,
+ )
+ .expect("checked statically; qed"),
+ sync_committee_signature: Vector::<u8, SIGNATURE_SIZE>::try_from(
+ sync_aggregate.sync_committee_signature.0.to_vec(),
+ )
+ .expect("checked statically; qed"),
+ }
+ }
+}
+
+#[derive(Default, SimpleSerializeDerive, Clone)]
+pub struct SSZForkData {
+ pub current_version: [u8; 4],
+ pub genesis_validators_root: [u8; 32],
+}
+
+impl From<ForkData> for SSZForkData {
+ fn from(fork_data: ForkData) -> Self {
+ SSZForkData {
+ current_version: fork_data.current_version,
+ genesis_validators_root: fork_data.genesis_validators_root,
+ }
+ }
+}
+
+#[derive(Default, SimpleSerializeDerive, Clone)]
+pub struct SSZSigningData {
+ pub object_root: [u8; 32],
+ pub domain: [u8; 32],
+}
+
+impl From<SigningData> for SSZSigningData {
+ fn from(signing_data: SigningData) -> Self {
+ SSZSigningData {
+ object_root: signing_data.object_root.into(),
+ domain: signing_data.domain.into(),
+ }
+ }
+}
+
+#[derive(Default, SimpleSerializeDerive, Clone, Debug)]
+pub struct SSZExecutionPayloadHeader {
+ pub parent_hash: [u8; 32],
+ pub fee_recipient: Vector<u8, FEE_RECIPIENT_SIZE>,
+ pub state_root: [u8; 32],
+ pub receipts_root: [u8; 32],
+ pub logs_bloom: Vector<u8, LOGS_BLOOM_SIZE>,
+ pub prev_randao: [u8; 32],
+ pub block_number: u64,
+ pub gas_limit: u64,
+ pub gas_used: u64,
+ pub timestamp: u64,
+ pub extra_data: List<u8, EXTRA_DATA_SIZE>,
+ pub base_fee_per_gas: U256,
+ pub block_hash: [u8; 32],
+ pub transactions_root: [u8; 32],
+ pub withdrawals_root: [u8; 32],
+}
+
+impl TryFrom<ExecutionPayloadHeader> for SSZExecutionPayloadHeader {
+ type Error = SimpleSerializeError;
+
+ fn try_from(payload: ExecutionPayloadHeader) -> Result<Self, Self::Error> {
+ Ok(SSZExecutionPayloadHeader {
+ parent_hash: payload.parent_hash.to_fixed_bytes(),
+ fee_recipient: Vector::<u8, FEE_RECIPIENT_SIZE>::try_from(
+ payload.fee_recipient.to_fixed_bytes().to_vec(),
+ )
+ .expect("checked statically; qed"),
+ state_root: payload.state_root.to_fixed_bytes(),
+ receipts_root: payload.receipts_root.to_fixed_bytes(),
+ // Logs bloom bytes size is not constrained, so here we do need to check the try_from
+ // error
+ logs_bloom: Vector::<u8, LOGS_BLOOM_SIZE>::try_from(payload.logs_bloom)
+ .map_err(|(_, err)| err)?,
+ prev_randao: payload.prev_randao.to_fixed_bytes(),
+ block_number: payload.block_number,
+ gas_limit: payload.gas_limit,
+ gas_used: payload.gas_used,
+ timestamp: payload.timestamp,
+ // Extra data bytes size is not constrained, so here we do need to check the try_from
+ // error
+ extra_data: List::<u8, EXTRA_DATA_SIZE>::try_from(payload.extra_data)
+ .map_err(|(_, err)| err)?,
+ base_fee_per_gas: U256::from_bytes_le(
+ payload
+ .base_fee_per_gas
+ .as_byte_slice()
+ .try_into()
+ .expect("checked in prep; qed"),
+ ),
+ block_hash: payload.block_hash.to_fixed_bytes(),
+ transactions_root: payload.transactions_root.to_fixed_bytes(),
+ withdrawals_root: payload.withdrawals_root.to_fixed_bytes(),
+ })
+ }
+}
+
+pub fn hash_tree_root<T: SimpleSerialize>(mut object: T) -> Result<H256, SimpleSerializeError> {
+ match object.hash_tree_root() {
+ Ok(node) => {
+ let fixed_bytes: [u8; 32] =
+ node.as_ref().try_into().expect("Node is a newtype over [u8; 32]; qed");
+ Ok(fixed_bytes.into())
+ },
+ Err(err) => Err(err.into()),
+ }
+}
+
+pub mod deneb {
+ use crate::{
+ config::{EXTRA_DATA_SIZE, FEE_RECIPIENT_SIZE, LOGS_BLOOM_SIZE},
+ ssz::hash_tree_root,
+ types::deneb::ExecutionPayloadHeader,
+ };
+ use byte_slice_cast::AsByteSlice;
+ use sp_core::H256;
+ use sp_std::{vec, vec::Vec};
+ use ssz_rs::{
+ prelude::{List, Vector},
+ Deserialize, DeserializeError, SimpleSerializeError, Sized, U256,
+ };
+ use ssz_rs_derive::SimpleSerialize as SimpleSerializeDerive;
+
+ #[derive(Default, SimpleSerializeDerive, Clone, Debug)]
+ pub struct SSZExecutionPayloadHeader {
+ pub parent_hash: [u8; 32],
+ pub fee_recipient: Vector<u8, FEE_RECIPIENT_SIZE>,
+ pub state_root: [u8; 32],
+ pub receipts_root: [u8; 32],
+ pub logs_bloom: Vector<u8, LOGS_BLOOM_SIZE>,
+ pub prev_randao: [u8; 32],
+ pub block_number: u64,
+ pub gas_limit: u64,
+ pub gas_used: u64,
+ pub timestamp: u64,
+ pub extra_data: List<u8, EXTRA_DATA_SIZE>,
+ pub base_fee_per_gas: U256,
+ pub block_hash: [u8; 32],
+ pub transactions_root: [u8; 32],
+ pub withdrawals_root: [u8; 32],
+ pub blob_gas_used: u64,
+ pub excess_blob_gas: u64,
+ }
+
+ impl TryFrom<ExecutionPayloadHeader> for SSZExecutionPayloadHeader {
+ type Error = SimpleSerializeError;
+
+ fn try_from(payload: ExecutionPayloadHeader) -> Result<Self, Self::Error> {
+ Ok(SSZExecutionPayloadHeader {
+ parent_hash: payload.parent_hash.to_fixed_bytes(),
+ fee_recipient: Vector::<u8, FEE_RECIPIENT_SIZE>::try_from(
+ payload.fee_recipient.to_fixed_bytes().to_vec(),
+ )
+ .expect("checked statically; qed"),
+ state_root: payload.state_root.to_fixed_bytes(),
+ receipts_root: payload.receipts_root.to_fixed_bytes(),
+ // Logs bloom bytes size is not constrained, so here we do need to check the
+ // try_from error
+ logs_bloom: Vector::<u8, LOGS_BLOOM_SIZE>::try_from(payload.logs_bloom)
+ .map_err(|(_, err)| err)?,
+ prev_randao: payload.prev_randao.to_fixed_bytes(),
+ block_number: payload.block_number,
+ gas_limit: payload.gas_limit,
+ gas_used: payload.gas_used,
+ timestamp: payload.timestamp,
+ // Extra data bytes size is not constrained, so here we do need to check the
+ // try_from error
+ extra_data: List::<u8, EXTRA_DATA_SIZE>::try_from(payload.extra_data)
+ .map_err(|(_, err)| err)?,
+ base_fee_per_gas: U256::from_bytes_le(
+ payload
+ .base_fee_per_gas
+ .as_byte_slice()
+ .try_into()
+ .expect("checked in prep; qed"),
+ ),
+ block_hash: payload.block_hash.to_fixed_bytes(),
+ transactions_root: payload.transactions_root.to_fixed_bytes(),
+ withdrawals_root: payload.withdrawals_root.to_fixed_bytes(),
+ blob_gas_used: payload.blob_gas_used,
+ excess_blob_gas: payload.excess_blob_gas,
+ })
+ }
+ }
+
+ impl ExecutionPayloadHeader {
+ pub fn hash_tree_root(&self) -> Result<H256, SimpleSerializeError> {
+ hash_tree_root::<SSZExecutionPayloadHeader>(self.clone().try_into()?)
+ }
+ }
+}
diff --git a/bridges/snowbridge/primitives/beacon/src/types.rs b/bridges/snowbridge/primitives/beacon/src/types.rs
new file mode 100644
index 0000000000000..6f0886ba8b5c2
--- /dev/null
+++ b/bridges/snowbridge/primitives/beacon/src/types.rs
@@ -0,0 +1,641 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use codec::{Decode, Encode, MaxEncodedLen};
+use frame_support::{CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound};
+use scale_info::TypeInfo;
+use sp_core::{H160, H256, U256};
+use sp_runtime::RuntimeDebug;
+use sp_std::{boxed::Box, iter::repeat, prelude::*};
+
+use crate::config::{PUBKEY_SIZE, SIGNATURE_SIZE};
+
+#[cfg(feature = "std")]
+use serde::{Deserialize, Deserializer, Serialize, Serializer};
+
+#[cfg(feature = "std")]
+use crate::serde_utils::HexVisitor;
+
+use crate::ssz::{
+ hash_tree_root, SSZBeaconBlockHeader, SSZExecutionPayloadHeader, SSZForkData, SSZSigningData,
+ SSZSyncAggregate, SSZSyncCommittee,
+};
+use ssz_rs::SimpleSerializeError;
+
+pub use crate::bits::decompress_sync_committee_bits;
+
+use crate::bls::{prepare_g1_pubkeys, prepare_milagro_pubkey, BlsError};
+use milagro_bls::PublicKey as PublicKeyPrepared;
+
+pub type ValidatorIndex = u64;
+pub type ForkVersion = [u8; 4];
+
+#[derive(Clone, Encode, Decode, PartialEq, RuntimeDebug, TypeInfo)]
+pub struct ForkVersions {
+ pub genesis: Fork,
+ pub altair: Fork,
+ pub bellatrix: Fork,
+ pub capella: Fork,
+ pub deneb: Fork,
+}
+
+#[derive(Clone, Encode, Decode, PartialEq, RuntimeDebug, TypeInfo)]
+pub struct Fork {
+ pub version: [u8; 4],
+ pub epoch: u64,
+}
+
+#[derive(Copy, Clone, Encode, Decode, PartialEq, RuntimeDebug, TypeInfo)]
+pub struct PublicKey(pub [u8; PUBKEY_SIZE]);
+
+impl Default for PublicKey {
+ fn default() -> Self {
+ PublicKey([0u8; PUBKEY_SIZE])
+ }
+}
+
+impl From<[u8; PUBKEY_SIZE]> for PublicKey {
+ fn from(v: [u8; PUBKEY_SIZE]) -> Self {
+ Self(v)
+ }
+}
+
+impl MaxEncodedLen for PublicKey {
+ fn max_encoded_len() -> usize {
+ PUBKEY_SIZE
+ }
+}
+
+#[cfg(feature = "std")]
+impl<'de> Deserialize<'de> for PublicKey {
+ fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+ where
+ D: Deserializer<'de>,
+ {
+ deserializer.deserialize_str(HexVisitor::<PUBKEY_SIZE>()).map(|v| v.into())
+ }
+}
+
+#[cfg(feature = "std")]
+impl Serialize for PublicKey {
+ fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+ where
+ S: Serializer,
+ {
+ serializer.serialize_bytes(&self.0)
+ }
+}
+
+#[derive(Copy, Clone, Encode, Decode, PartialEq, RuntimeDebug, TypeInfo)]
+pub struct Signature(pub [u8; SIGNATURE_SIZE]);
+
+impl Default for Signature {
+ fn default() -> Self {
+ Signature([0u8; SIGNATURE_SIZE])
+ }
+}
+
+impl From<[u8; SIGNATURE_SIZE]> for Signature {
+ fn from(v: [u8; SIGNATURE_SIZE]) -> Self {
+ Self(v)
+ }
+}
+
+#[cfg(feature = "std")]
+impl<'de> Deserialize<'de> for Signature {
+ fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+ where
+ D: Deserializer<'de>,
+ {
+ deserializer.deserialize_str(HexVisitor::<SIGNATURE_SIZE>()).map(|v| v.into())
+ }
+}
+
+#[derive(Copy, Clone, Default, Encode, Decode, TypeInfo, MaxEncodedLen)]
+pub struct ExecutionHeaderState {
+ pub beacon_block_root: H256,
+ pub beacon_slot: u64,
+ pub block_hash: H256,
+ pub block_number: u64,
+}
+
+#[derive(Copy, Clone, Default, Encode, Decode, TypeInfo, MaxEncodedLen)]
+pub struct FinalizedHeaderState {
+ pub beacon_block_root: H256,
+ pub beacon_slot: u64,
+}
+
+#[derive(Clone, Default, Encode, Decode, PartialEq, RuntimeDebug)]
+pub struct ForkData {
+ // 1 or 0 bit, indicates whether a sync committee participated in a vote
+ pub current_version: [u8; 4],
+ pub genesis_validators_root: [u8; 32],
+}
+
+impl ForkData {
+ pub fn hash_tree_root(&self) -> Result<H256, SimpleSerializeError> {
+ hash_tree_root::<SSZForkData>(self.clone().into())
+ }
+}
+
+#[derive(Clone, Default, Encode, Decode, PartialEq, RuntimeDebug)]
+pub struct SigningData {
+ pub object_root: H256,
+ pub domain: H256,
+}
+
+impl SigningData {
+ pub fn hash_tree_root(&self) -> Result<H256, SimpleSerializeError> {
+ hash_tree_root::<SSZSigningData>(self.clone().into())
+ }
+}
+
+/// Sync committee as it is stored in the runtime storage.
+#[derive(
+ Encode, Decode, PartialEqNoBound, CloneNoBound, RuntimeDebugNoBound, TypeInfo, MaxEncodedLen,
+)]
+#[cfg_attr(
+ feature = "std",
+ derive(Serialize, Deserialize),
+ serde(deny_unknown_fields, bound(serialize = ""), bound(deserialize = ""))
+)]
+#[codec(mel_bound())]
+pub struct SyncCommittee<const COMMITTEE_SIZE: usize> {
+ #[cfg_attr(feature = "std", serde(with = "crate::serde_utils::arrays"))]
+ pub pubkeys: [PublicKey; COMMITTEE_SIZE],
+ pub aggregate_pubkey: PublicKey,
+}
+
+impl<const COMMITTEE_SIZE: usize> Default for SyncCommittee<COMMITTEE_SIZE> {
+ fn default() -> Self {
+ SyncCommittee {
+ pubkeys: [Default::default(); COMMITTEE_SIZE],
+ aggregate_pubkey: Default::default(),
+ }
+ }
+}
+
+impl<const COMMITTEE_SIZE: usize> SyncCommittee<COMMITTEE_SIZE> {
+ pub fn hash_tree_root(&self) -> Result<H256, SimpleSerializeError> {
+ hash_tree_root::<SSZSyncCommittee<COMMITTEE_SIZE>>(self.clone().into())
+ }
+}
+
+/// Prepared G1 public key of sync committee as it is stored in the runtime storage.
+#[derive(Clone, PartialEq, Eq, Encode, Decode, TypeInfo, MaxEncodedLen)]
+pub struct SyncCommitteePrepared<const COMMITTEE_SIZE: usize> {
+ pub root: H256,
+ pub pubkeys: Box<[PublicKeyPrepared; COMMITTEE_SIZE]>,
+ pub aggregate_pubkey: PublicKeyPrepared,
+}
+
+impl<const COMMITTEE_SIZE: usize> Default for SyncCommitteePrepared<COMMITTEE_SIZE> {
+ fn default() -> Self {
+ let pubkeys: Vec<PublicKeyPrepared> =
+ repeat(PublicKeyPrepared::default()).take(COMMITTEE_SIZE).collect();
+ let pubkeys: Box<[PublicKeyPrepared; COMMITTEE_SIZE]> =
+ Box::new(pubkeys.try_into().map_err(|_| ()).expect("checked statically; qed"));
+
+ SyncCommitteePrepared {
+ root: H256::default(),
+ pubkeys,
+ aggregate_pubkey: PublicKeyPrepared::default(),
+ }
+ }
+}
+
+impl<const COMMITTEE_SIZE: usize> TryFrom<&SyncCommittee<COMMITTEE_SIZE>>
+ for SyncCommitteePrepared<COMMITTEE_SIZE>
+{
+ type Error = BlsError;
+
+ fn try_from(sync_committee: &SyncCommittee<COMMITTEE_SIZE>) -> Result<Self, Self::Error> {
+ let g1_pubkeys = prepare_g1_pubkeys(&sync_committee.pubkeys)?;
+ let sync_committee_root = sync_committee.hash_tree_root().expect("checked statically; qed");
+
+ Ok(SyncCommitteePrepared::<COMMITTEE_SIZE> {
+ pubkeys: g1_pubkeys.try_into().map_err(|_| ()).expect("checked statically; qed"),
+ aggregate_pubkey: prepare_milagro_pubkey(&sync_committee.aggregate_pubkey)?,
+ root: sync_committee_root,
+ })
+ }
+}
+
+/// Beacon block header as it is stored in the runtime storage. The block root is the
+/// Merkleization of a BeaconHeader.
+#[derive(
+ Copy, Clone, Default, Encode, Decode, PartialEq, RuntimeDebug, TypeInfo, MaxEncodedLen,
+)]
+#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
+pub struct BeaconHeader {
+ // The slot for which this block is created. Must be greater than the slot of the block defined
+ // by parent root.
+ pub slot: u64,
+ // The index of the validator that proposed the block.
+ pub proposer_index: ValidatorIndex,
+ // The block root of the parent block, forming a block chain.
+ pub parent_root: H256,
+ // The hash root of the post state of running the state transition through this block.
+ pub state_root: H256,
+ // The hash root of the beacon block body
+ pub body_root: H256,
+}
+
+impl BeaconHeader {
+ pub fn hash_tree_root(&self) -> Result<H256, SimpleSerializeError> {
+ hash_tree_root::<SSZBeaconBlockHeader>((*self).into())
+ }
+}
+
+#[derive(Encode, Decode, CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound, TypeInfo)]
+#[cfg_attr(
+ feature = "std",
+ derive(Deserialize),
+ serde(
+ try_from = "IntermediateSyncAggregate",
+ deny_unknown_fields,
+ bound(serialize = ""),
+ bound(deserialize = "")
+ )
+)]
+#[codec(mel_bound())]
+pub struct SyncAggregate<const COMMITTEE_SIZE: usize, const COMMITTEE_BITS_SIZE: usize> {
+ pub sync_committee_bits: [u8; COMMITTEE_BITS_SIZE],
+ pub sync_committee_signature: Signature,
+}
+
+impl<const COMMITTEE_SIZE: usize, const COMMITTEE_BITS_SIZE: usize> Default
+ for SyncAggregate<COMMITTEE_SIZE, COMMITTEE_BITS_SIZE>
+{
+ fn default() -> Self {
+ SyncAggregate {
+ sync_committee_bits: [0; COMMITTEE_BITS_SIZE],
+ sync_committee_signature: Default::default(),
+ }
+ }
+}
+
+impl<const COMMITTEE_SIZE: usize, const COMMITTEE_BITS_SIZE: usize>
+ SyncAggregate<COMMITTEE_SIZE, COMMITTEE_BITS_SIZE>
+{
+ pub fn hash_tree_root(&self) -> Result<H256, SimpleSerializeError> {
+ hash_tree_root::<SSZSyncAggregate<COMMITTEE_SIZE>>(self.clone().into())
+ }
+}
+
+/// Serde deserialization helper for SyncAggregate
+#[cfg(feature = "std")]
+#[derive(Deserialize)]
+struct IntermediateSyncAggregate {
+ #[cfg_attr(feature = "std", serde(deserialize_with = "crate::serde_utils::from_hex_to_bytes"))]
+ pub sync_committee_bits: Vec<u8>,
+ pub sync_committee_signature: Signature,
+}
+
+#[cfg(feature = "std")]
+impl<const COMMITTEE_SIZE: usize, const COMMITTEE_BITS_SIZE: usize>
+ TryFrom<IntermediateSyncAggregate> for SyncAggregate<COMMITTEE_SIZE, COMMITTEE_BITS_SIZE>
+{
+ type Error = String;
+
+ fn try_from(other: IntermediateSyncAggregate) -> Result<Self, Self::Error> {
+ Ok(Self {
+ sync_committee_bits: other
+ .sync_committee_bits
+ .try_into()
+ .map_err(|_| "unexpected length".to_owned())?,
+ sync_committee_signature: other.sync_committee_signature,
+ })
+ }
+}
+
+/// ExecutionPayloadHeader
+/// <https://github.com/ethereum/annotated-spec/blob/master/capella/beacon-chain.md#executionpayloadheader>
+#[derive(
+ Default, Encode, Decode, CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound, TypeInfo,
+)]
+#[cfg_attr(
+ feature = "std",
+ derive(Serialize, Deserialize),
+ serde(deny_unknown_fields, bound(serialize = ""), bound(deserialize = ""))
+)]
+#[codec(mel_bound())]
+pub struct ExecutionPayloadHeader {
+ pub parent_hash: H256,
+ pub fee_recipient: H160,
+ pub state_root: H256,
+ pub receipts_root: H256,
+ #[cfg_attr(feature = "std", serde(deserialize_with = "crate::serde_utils::from_hex_to_bytes"))]
+ pub logs_bloom: Vec<u8>,
+ pub prev_randao: H256,
+ pub block_number: u64,
+ pub gas_limit: u64,
+ pub gas_used: u64,
+ pub timestamp: u64,
+ #[cfg_attr(feature = "std", serde(deserialize_with = "crate::serde_utils::from_hex_to_bytes"))]
+ pub extra_data: Vec<u8>,
+ #[cfg_attr(feature = "std", serde(deserialize_with = "crate::serde_utils::from_int_to_u256"))]
+ pub base_fee_per_gas: U256,
+ pub block_hash: H256,
+ pub transactions_root: H256,
+ pub withdrawals_root: H256,
+}
+
+impl ExecutionPayloadHeader {
+ pub fn hash_tree_root(&self) -> Result<H256, SimpleSerializeError> {
+ hash_tree_root::<SSZExecutionPayloadHeader>(self.clone().try_into()?)
+ }
+}
+
+#[derive(
+ Default,
+ Encode,
+ Decode,
+ CloneNoBound,
+ PartialEqNoBound,
+ RuntimeDebugNoBound,
+ TypeInfo,
+ MaxEncodedLen,
+)]
+pub struct CompactExecutionHeader {
+ pub parent_hash: H256,
+ #[codec(compact)]
+ pub block_number: u64,
+ pub state_root: H256,
+ pub receipts_root: H256,
+}
+
+impl From<ExecutionPayloadHeader> for CompactExecutionHeader {
+ fn from(execution_payload: ExecutionPayloadHeader) -> Self {
+ Self {
+ parent_hash: execution_payload.parent_hash,
+ block_number: execution_payload.block_number,
+ state_root: execution_payload.state_root,
+ receipts_root: execution_payload.receipts_root,
+ }
+ }
+}
+
+#[derive(
+ Default,
+ Encode,
+ Decode,
+ Copy,
+ Clone,
+ PartialEqNoBound,
+ RuntimeDebugNoBound,
+ TypeInfo,
+ MaxEncodedLen,
+)]
+pub struct CompactBeaconState {
+ #[codec(compact)]
+ pub slot: u64,
+ pub block_roots_root: H256,
+}
+
+/// VersionedExecutionPayloadHeader
+#[derive(Encode, Decode, CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound, TypeInfo)]
+#[cfg_attr(
+ feature = "std",
+ derive(Serialize, Deserialize),
+ serde(deny_unknown_fields, bound(serialize = ""), bound(deserialize = ""))
+)]
+#[codec(mel_bound())]
+pub enum VersionedExecutionPayloadHeader {
+ Capella(ExecutionPayloadHeader),
+ Deneb(deneb::ExecutionPayloadHeader),
+}
+
+/// Convert VersionedExecutionPayloadHeader to CompactExecutionHeader
+impl From<VersionedExecutionPayloadHeader> for CompactExecutionHeader {
+ fn from(versioned_execution_header: VersionedExecutionPayloadHeader) -> Self {
+ match versioned_execution_header {
+ VersionedExecutionPayloadHeader::Capella(execution_payload_header) =>
+ execution_payload_header.into(),
+ VersionedExecutionPayloadHeader::Deneb(execution_payload_header) =>
+ execution_payload_header.into(),
+ }
+ }
+}
+
+impl VersionedExecutionPayloadHeader {
+ pub fn hash_tree_root(&self) -> Result<H256, SimpleSerializeError> {
+ match self {
+ VersionedExecutionPayloadHeader::Capella(execution_payload_header) =>
+ hash_tree_root::<SSZExecutionPayloadHeader>(
+ execution_payload_header.clone().try_into()?,
+ ),
+ VersionedExecutionPayloadHeader::Deneb(execution_payload_header) =>
+ hash_tree_root::<crate::ssz::deneb::SSZExecutionPayloadHeader>(
+ execution_payload_header.clone().try_into()?,
+ ),
+ }
+ }
+
+ pub fn block_hash(&self) -> H256 {
+ match self {
+ VersionedExecutionPayloadHeader::Capella(execution_payload_header) =>
+ execution_payload_header.block_hash,
+ VersionedExecutionPayloadHeader::Deneb(execution_payload_header) =>
+ execution_payload_header.block_hash,
+ }
+ }
+
+ pub fn block_number(&self) -> u64 {
+ match self {
+ VersionedExecutionPayloadHeader::Capella(execution_payload_header) =>
+ execution_payload_header.block_number,
+ VersionedExecutionPayloadHeader::Deneb(execution_payload_header) =>
+ execution_payload_header.block_number,
+ }
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use hex_literal::hex;
+
+ #[test]
+ pub fn test_hash_beacon_header1() {
+ let hash_root = BeaconHeader {
+ slot: 3,
+ proposer_index: 2,
+ parent_root: hex!("796ea53efb534eab7777809cc5ee2d84e7f25024b9d0c4d7e5bcaab657e4bdbd")
+ .into(),
+ state_root: hex!("ba3ff080912be5c9c158b2e962c1b39a91bc0615762ba6fa2ecacafa94e9ae0a")
+ .into(),
+ body_root: hex!("a18d7fcefbb74a177c959160e0ee89c23546482154e6831237710414465dcae5")
+ .into(),
+ }
+ .hash_tree_root();
+
+ assert!(hash_root.is_ok());
+ assert_eq!(
+ hash_root.unwrap(),
+ hex!("7d42595818709e805dd2fa710a2d2c1f62576ef1ab7273941ac9130fb94b91f7").into()
+ );
+ }
+
+ #[test]
+ pub fn test_hash_beacon_header2() {
+ let hash_root = BeaconHeader {
+ slot: 3476424,
+ proposer_index: 314905,
+ parent_root: hex!("c069d7b49cffd2b815b0fb8007eb9ca91202ea548df6f3db60000f29b2489f28")
+ .into(),
+ state_root: hex!("444d293e4533501ee508ad608783a7d677c3c566f001313e8a02ce08adf590a3")
+ .into(),
+ body_root: hex!("6508a0241047f21ba88f05d05b15534156ab6a6f8e029a9a5423da429834e04a")
+ .into(),
+ }
+ .hash_tree_root();
+
+ assert!(hash_root.is_ok());
+ assert_eq!(
+ hash_root.unwrap(),
+ hex!("0aa41166ff01e58e111ac8c42309a738ab453cf8d7285ed8477b1c484acb123e").into()
+ );
+ }
+
+ #[test]
+ pub fn test_hash_fork_data() {
+ let hash_root = ForkData {
+ current_version: hex!("83f38a34"),
+ genesis_validators_root: hex!(
+ "22370bbbb358800f5711a10ea9845284272d8493bed0348cab87b8ab1e127930"
+ ),
+ }
+ .hash_tree_root();
+
+ assert!(hash_root.is_ok());
+ assert_eq!(
+ hash_root.unwrap(),
+ hex!("57c12c4246bc7152b174b51920506bf943eff9c7ffa50b9533708e9cc1f680fc").into()
+ );
+ }
+
+ #[test]
+ pub fn test_hash_signing_data() {
+ let hash_root = SigningData {
+ object_root: hex!("63654cbe64fc07853f1198c165dd3d49c54fc53bc417989bbcc66da15f850c54")
+ .into(),
+ domain: hex!("037da907d1c3a03c0091b2254e1480d9b1783476e228ab29adaaa8f133e08f7a").into(),
+ }
+ .hash_tree_root();
+
+ assert!(hash_root.is_ok());
+ assert_eq!(
+ hash_root.unwrap(),
+ hex!("b9eb2caf2d691b183c2d57f322afe505c078cd08101324f61c3641714789a54e").into()
+ );
+ }
+
+ #[test]
+ pub fn test_hash_sync_aggregate() {
+ let hash_root = SyncAggregate::<512, 64>{
+ sync_committee_bits: hex!("cefffffefffffff767fffbedffffeffffeeffdffffdebffffff7f7dbdf7fffdffffbffcfffdff79dfffbbfefff2ffffff7ddeff7ffffc98ff7fbfffffffffff7"),
+ sync_committee_signature: hex!("8af1a8577bba419fe054ee49b16ed28e081dda6d3ba41651634685e890992a0b675e20f8d9f2ec137fe9eb50e838aa6117f9f5410e2e1024c4b4f0e098e55144843ce90b7acde52fe7b94f2a1037342c951dc59f501c92acf7ed944cb6d2b5f7").into(),
+ }.hash_tree_root();
+
+ assert!(hash_root.is_ok());
+ assert_eq!(
+ hash_root.unwrap(),
+ hex!("e6dcad4f60ce9ff8a587b110facbaf94721f06cd810b6d8bf6cffa641272808d").into()
+ );
+ }
+
+ #[test]
+ pub fn test_hash_execution_payload() {
+ let hash_root =
+ ExecutionPayloadHeader{
+ parent_hash: hex!("eadee5ab098dde64e9fd02ae5858064bad67064070679625b09f8d82dec183f7").into(),
+ fee_recipient: hex!("f97e180c050e5ab072211ad2c213eb5aee4df134").into(),
+ state_root: hex!("564fa064c2a324c2b5978d7fdfc5d4224d4f421a45388af1ed405a399c845dff").into(),
+ receipts_root: hex!("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421").into(),
+ logs_bloom: hex!("00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000").to_vec(),
+ prev_randao: hex!("6bf538bdfbdf1c96ff528726a40658a91d0bda0f1351448c4c4f3604db2a0ccf").into(),
+ block_number: 477434,
+ gas_limit: 8154925,
+ gas_used: 0,
+ timestamp: 1652816940,
+ extra_data: vec![],
+ base_fee_per_gas: U256::from(7_i16),
+ block_hash: hex!("cd8df91b4503adb8f2f1c7a4f60e07a1f1a2cbdfa2a95bceba581f3ff65c1968").into(),
+ transactions_root: hex!("7ffe241ea60187fdb0187bfa22de35d1f9bed7ab061d9401fd47e34a54fbede1").into(),
+ withdrawals_root: hex!("28ba1834a3a7b657460ce79fa3a1d909ab8828fd557659d4d0554a9bdbc0ec30").into(),
+ }.hash_tree_root();
+ assert!(hash_root.is_ok());
+ }
+}
+
+/// Operating modes for beacon client
+#[derive(Encode, Decode, Copy, Clone, PartialEq, RuntimeDebug, TypeInfo)]
+pub enum Mode {
+ Active,
+ Blocked,
+}
+
+pub mod deneb {
+ use crate::CompactExecutionHeader;
+ use codec::{Decode, Encode};
+ use frame_support::{CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound};
+ use scale_info::TypeInfo;
+ #[cfg(feature = "std")]
+ use serde::{Deserialize, Serialize};
+ use sp_core::{H160, H256, U256};
+ use sp_std::prelude::*;
+
+ /// ExecutionPayloadHeader
+ /// https://github.com/ethereum/consensus-specs/blob/dev/specs/deneb/beacon-chain.md#executionpayloadheader
+ #[derive(
+ Default, Encode, Decode, CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound, TypeInfo,
+ )]
+ #[cfg_attr(
+ feature = "std",
+ derive(Serialize, Deserialize),
+ serde(deny_unknown_fields, bound(serialize = ""), bound(deserialize = ""))
+ )]
+ #[codec(mel_bound())]
+ pub struct ExecutionPayloadHeader {
+ pub parent_hash: H256,
+ pub fee_recipient: H160,
+ pub state_root: H256,
+ pub receipts_root: H256,
+ #[cfg_attr(
+ feature = "std",
+ serde(deserialize_with = "crate::serde_utils::from_hex_to_bytes")
+ )]
+ pub logs_bloom: Vec<u8>,
+ pub prev_randao: H256,
+ pub block_number: u64,
+ pub gas_limit: u64,
+ pub gas_used: u64,
+ pub timestamp: u64,
+ #[cfg_attr(
+ feature = "std",
+ serde(deserialize_with = "crate::serde_utils::from_hex_to_bytes")
+ )]
+ pub extra_data: Vec<u8>,
+ #[cfg_attr(
+ feature = "std",
+ serde(deserialize_with = "crate::serde_utils::from_int_to_u256")
+ )]
+ pub base_fee_per_gas: U256,
+ pub block_hash: H256,
+ pub transactions_root: H256,
+ pub withdrawals_root: H256,
+ pub blob_gas_used: u64, // [New in Deneb:EIP4844]
+ pub excess_blob_gas: u64, // [New in Deneb:EIP4844]
+ }
+
+ impl From<ExecutionPayloadHeader> for CompactExecutionHeader {
+ fn from(execution_payload: ExecutionPayloadHeader) -> Self {
+ Self {
+ parent_hash: execution_payload.parent_hash,
+ block_number: execution_payload.block_number,
+ state_root: execution_payload.state_root,
+ receipts_root: execution_payload.receipts_root,
+ }
+ }
+ }
+}
diff --git a/bridges/snowbridge/primitives/beacon/src/updates.rs b/bridges/snowbridge/primitives/beacon/src/updates.rs
new file mode 100644
index 0000000000000..1ecd32c6d7b79
--- /dev/null
+++ b/bridges/snowbridge/primitives/beacon/src/updates.rs
@@ -0,0 +1,110 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use codec::{Decode, Encode};
+use frame_support::{CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound};
+use scale_info::TypeInfo;
+use sp_core::H256;
+use sp_std::prelude::*;
+
+use crate::types::{BeaconHeader, SyncAggregate, SyncCommittee, VersionedExecutionPayloadHeader};
+
+#[derive(Encode, Decode, CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound, TypeInfo)]
+#[cfg_attr(
+ feature = "std",
+ derive(serde::Serialize, serde::Deserialize),
+ serde(deny_unknown_fields, bound(serialize = ""), bound(deserialize = ""))
+)]
+pub struct CheckpointUpdate<const COMMITTEE_SIZE: usize> {
+ pub header: BeaconHeader,
+ pub current_sync_committee: SyncCommittee<COMMITTEE_SIZE>,
+ pub current_sync_committee_branch: Vec<H256>,
+ pub validators_root: H256,
+ pub block_roots_root: H256,
+ pub block_roots_branch: Vec<H256>,
+}
+
+impl<const COMMITTEE_SIZE: usize> Default for CheckpointUpdate<COMMITTEE_SIZE> {
+ fn default() -> Self {
+ CheckpointUpdate {
+ header: Default::default(),
+ current_sync_committee: Default::default(),
+ current_sync_committee_branch: Default::default(),
+ validators_root: Default::default(),
+ block_roots_root: Default::default(),
+ block_roots_branch: Default::default(),
+ }
+ }
+}
+
+#[derive(
+ Default, Encode, Decode, CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound, TypeInfo,
+)]
+#[cfg_attr(
+ feature = "std",
+ derive(serde::Deserialize),
+ serde(deny_unknown_fields, bound(serialize = ""), bound(deserialize = ""))
+)]
+pub struct Update<const COMMITTEE_SIZE: usize, const COMMITTEE_BITS_SIZE: usize> {
+ /// A recent header attesting to the finalized header, using its `state_root`.
+ pub attested_header: BeaconHeader,
+ /// The signing data that the sync committee produced for this attested header, including
+ /// who participated in the vote and the resulting signature.
+ pub sync_aggregate: SyncAggregate<COMMITTEE_SIZE, COMMITTEE_BITS_SIZE>,
+ /// The slot at which the sync aggregate can be found, typically attested_header.slot + 1, if
+ /// the next slot block was not missed.
+ pub signature_slot: u64,
+ /// The next sync committee for the next sync committee period, if present.
+ pub next_sync_committee_update: Option<NextSyncCommitteeUpdate<COMMITTEE_SIZE>>,
+ /// The latest finalized header.
+ pub finalized_header: BeaconHeader,
+ /// The merkle proof testifying to the finalized header, using the `attested_header.state_root`
+ /// as tree root.
+ pub finality_branch: Vec<H256>,
+ /// The finalized_header's `block_roots` root in the beacon state, used for ancestry proofs.
+ pub block_roots_root: H256,
+ /// The merkle path to prove the `block_roots_root` value.
+ pub block_roots_branch: Vec<H256>,
+}
+
+#[derive(
+ Default, Encode, Decode, CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound, TypeInfo,
+)]
+#[cfg_attr(
+ feature = "std",
+ derive(serde::Deserialize),
+ serde(deny_unknown_fields, bound(serialize = ""), bound(deserialize = ""))
+)]
+pub struct NextSyncCommitteeUpdate<const COMMITTEE_SIZE: usize> {
+ pub next_sync_committee: SyncCommittee<COMMITTEE_SIZE>,
+ pub next_sync_committee_branch: Vec<H256>,
+}
+
+#[derive(Encode, Decode, CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound, TypeInfo)]
+#[cfg_attr(
+ feature = "std",
+ derive(serde::Deserialize),
+ serde(deny_unknown_fields, bound(serialize = ""), bound(deserialize = ""))
+)]
+pub struct ExecutionHeaderUpdate {
+ /// Header for the beacon block containing the execution payload
+ pub header: BeaconHeader,
+ /// Proof that `header` is an ancestor of a finalized header
+ pub ancestry_proof: Option<AncestryProof>,
+ /// Execution header to be imported
+ pub execution_header: VersionedExecutionPayloadHeader,
+ /// Merkle proof that execution payload is contained within `header`
+ pub execution_branch: Vec<H256>,
+}
+
+#[derive(Encode, Decode, CloneNoBound, PartialEqNoBound, RuntimeDebugNoBound, TypeInfo)]
+#[cfg_attr(
+ feature = "std",
+ derive(serde::Deserialize),
+ serde(deny_unknown_fields, bound(serialize = ""), bound(deserialize = ""))
+)]
+pub struct AncestryProof {
+ /// Merkle proof that `header` is an ancestor of `finalized_header`
+ pub header_branch: Vec<H256>,
+ /// Root of a finalized block that has already been imported into the light client
+ pub finalized_block_root: H256,
+}
diff --git a/bridges/snowbridge/primitives/core/Cargo.toml b/bridges/snowbridge/primitives/core/Cargo.toml
new file mode 100644
index 0000000000000..8df3ac21f4b0e
--- /dev/null
+++ b/bridges/snowbridge/primitives/core/Cargo.toml
@@ -0,0 +1,65 @@
+[package]
+name = "snowbridge-core"
+description = "Snowbridge Core"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[dependencies]
+serde = { version = "1.0.195", optional = true, features = ["alloc", "derive"], default-features = false }
+codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false }
+scale-info = { version = "2.9.0", default-features = false, features = ["derive"] }
+hex-literal = { version = "0.4.1" }
+
+polkadot-parachain-primitives = { path = "../../../../polkadot/parachain", default-features = false }
+xcm = { package = "staging-xcm", path = "../../../../polkadot/xcm", default-features = false }
+xcm-builder = { package = "staging-xcm-builder", path = "../../../../polkadot/xcm/xcm-builder", default-features = false }
+
+frame-support = { path = "../../../../substrate/frame/support", default-features = false }
+frame-system = { path = "../../../../substrate/frame/system", default-features = false }
+sp-runtime = { path = "../../../../substrate/primitives/runtime", default-features = false }
+sp-std = { path = "../../../../substrate/primitives/std", default-features = false }
+sp-io = { path = "../../../../substrate/primitives/io", default-features = false }
+sp-core = { path = "../../../../substrate/primitives/core", default-features = false }
+sp-arithmetic = { path = "../../../../substrate/primitives/arithmetic", default-features = false }
+
+snowbridge-beacon-primitives = { path = "../beacon", default-features = false }
+
+ethabi = { package = "ethabi-decode", version = "1.0.0", default-features = false }
+
+[dev-dependencies]
+hex = { version = "0.4.3" }
+
+[features]
+default = ["std"]
+std = [
+ "codec/std",
+ "ethabi/std",
+ "frame-support/std",
+ "frame-system/std",
+ "polkadot-parachain-primitives/std",
+ "scale-info/std",
+ "serde/std",
+ "snowbridge-beacon-primitives/std",
+ "sp-arithmetic/std",
+ "sp-core/std",
+ "sp-io/std",
+ "sp-runtime/std",
+ "sp-std/std",
+ "xcm-builder/std",
+ "xcm/std",
+]
+serde = ["dep:serde", "scale-info/serde"]
+runtime-benchmarks = [
+ "frame-support/runtime-benchmarks",
+ "frame-system/runtime-benchmarks",
+ "polkadot-parachain-primitives/runtime-benchmarks",
+ "sp-runtime/runtime-benchmarks",
+ "xcm-builder/runtime-benchmarks",
+]
diff --git a/bridges/snowbridge/primitives/core/README.md b/bridges/snowbridge/primitives/core/README.md
new file mode 100644
index 0000000000000..0126be63aebaf
--- /dev/null
+++ b/bridges/snowbridge/primitives/core/README.md
@@ -0,0 +1,4 @@
+# Core Primitives
+
+Contains common code core to Snowbridge, such as inbound and outbound queue types, pricing structs, ringbuffer data
+types (used in the beacon client).
diff --git a/bridges/snowbridge/primitives/core/src/inbound.rs b/bridges/snowbridge/primitives/core/src/inbound.rs
new file mode 100644
index 0000000000000..4b04470ad0261
--- /dev/null
+++ b/bridges/snowbridge/primitives/core/src/inbound.rs
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Types for representing inbound messages
+
+use codec::{Decode, Encode};
+use frame_support::PalletError;
+use scale_info::TypeInfo;
+use sp_core::{H160, H256};
+use sp_runtime::RuntimeDebug;
+use sp_std::vec::Vec;
+
+/// A trait for verifying inbound messages from Ethereum.
+pub trait Verifier {
+ fn verify(event: &Log, proof: &Proof) -> Result<(), VerificationError>;
+}
+
+#[derive(Clone, Encode, Decode, RuntimeDebug, PalletError, TypeInfo)]
+#[cfg_attr(feature = "std", derive(PartialEq))]
+pub enum VerificationError {
+ /// Execution header is missing
+ HeaderNotFound,
+ /// Event log was not found in the verified transaction receipt
+ LogNotFound,
+ /// Event log has an invalid format
+ InvalidLog,
+ /// Unable to verify the transaction receipt with the provided proof
+ InvalidProof,
+}
+
+pub type MessageNonce = u64;
+
+/// A bridge message from the Gateway contract on Ethereum
+#[derive(Clone, Encode, Decode, PartialEq, RuntimeDebug, TypeInfo)]
+pub struct Message {
+ /// Event log emitted by Gateway contract
+ pub event_log: Log,
+ /// Inclusion proof for a transaction receipt containing the event log
+ pub proof: Proof,
+}
+
+const MAX_TOPICS: usize = 4;
+
+#[derive(Clone, RuntimeDebug)]
+pub enum LogValidationError {
+ TooManyTopics,
+}
+
+/// Event log
+#[derive(Clone, Encode, Decode, PartialEq, RuntimeDebug, TypeInfo)]
+pub struct Log {
+ pub address: H160,
+ pub topics: Vec<H256>,
+ pub data: Vec<u8>,
+}
+
+impl Log {
+ pub fn validate(&self) -> Result<(), LogValidationError> {
+ if self.topics.len() > MAX_TOPICS {
+ return Err(LogValidationError::TooManyTopics)
+ }
+ Ok(())
+ }
+}
+
+/// Inclusion proof for a transaction receipt
+#[derive(Clone, Encode, Decode, PartialEq, RuntimeDebug, TypeInfo)]
+pub struct Proof {
+ // The block hash of the block in which the receipt was included.
+ pub block_hash: H256,
+ // The index of the transaction (and receipt) within the block.
+ pub tx_index: u32,
+ // Proof keys and values (receipts tree)
+ pub data: (Vec<Vec<u8>>, Vec<Vec<u8>>),
+}
diff --git a/bridges/snowbridge/primitives/core/src/lib.rs b/bridges/snowbridge/primitives/core/src/lib.rs
new file mode 100644
index 0000000000000..ed1af4225d24b
--- /dev/null
+++ b/bridges/snowbridge/primitives/core/src/lib.rs
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! # Core
+//!
+//! Common traits and types
+#![cfg_attr(not(feature = "std"), no_std)]
+
+#[cfg(test)]
+mod tests;
+
+pub mod inbound;
+pub mod operating_mode;
+pub mod outbound;
+pub mod pricing;
+pub mod ringbuffer;
+
+pub use polkadot_parachain_primitives::primitives::{
+ Id as ParaId, IsSystem, Sibling as SiblingParaId,
+};
+pub use ringbuffer::{RingBufferMap, RingBufferMapImpl};
+pub use sp_core::U256;
+
+use codec::{Decode, Encode, MaxEncodedLen};
+use frame_support::traits::Contains;
+use hex_literal::hex;
+use scale_info::TypeInfo;
+use sp_core::H256;
+use sp_io::hashing::keccak_256;
+use sp_runtime::{traits::AccountIdConversion, RuntimeDebug};
+use sp_std::prelude::*;
+use xcm::prelude::{Junction::Parachain, Location};
+use xcm_builder::{DescribeAllTerminal, DescribeFamily, DescribeLocation, HashedDescription};
+
+/// The ID of an agent contract
+pub type AgentId = H256;
+pub use operating_mode::BasicOperatingMode;
+
+pub use pricing::{PricingParameters, Rewards};
+
+pub fn sibling_sovereign_account<T>(para_id: ParaId) -> T::AccountId
+where
+ T: frame_system::Config,
+{
+ SiblingParaId::from(para_id).into_account_truncating()
+}
+
+pub struct AllowSiblingsOnly;
+impl Contains<Location> for AllowSiblingsOnly {
+ fn contains(location: &Location) -> bool {
+ matches!(location.unpack(), (1, [Parachain(_)]))
+ }
+}
+
+pub fn gwei(x: u128) -> U256 {
+ U256::from(1_000_000_000u128).saturating_mul(x.into())
+}
+
+pub fn meth(x: u128) -> U256 {
+ U256::from(1_000_000_000_000_000u128).saturating_mul(x.into())
+}
+
+pub fn eth(x: u128) -> U256 {
+ U256::from(1_000_000_000_000_000_000u128).saturating_mul(x.into())
+}
+
+pub const ROC: u128 = 1_000_000_000_000;
+
+/// Identifier for a message channel
+#[derive(
+ Clone, Copy, Encode, Decode, PartialEq, Eq, Default, RuntimeDebug, MaxEncodedLen, TypeInfo,
+)]
+pub struct ChannelId([u8; 32]);
+
+/// Deterministically derive a ChannelId for a sibling parachain
+/// Generator: keccak256("para" + big_endian_bytes(para_id))
+///
+/// The equivalent generator on the Solidity side is in
+/// contracts/src/Types.sol:into().
+fn derive_channel_id_for_sibling(para_id: ParaId) -> ChannelId {
+ let para_id: u32 = para_id.into();
+ let para_id_bytes: [u8; 4] = para_id.to_be_bytes();
+ let prefix: [u8; 4] = *b"para";
+ let preimage: Vec<u8> = prefix.into_iter().chain(para_id_bytes).collect();
+ keccak_256(&preimage).into()
+}
+
+impl ChannelId {
+ pub const fn new(id: [u8; 32]) -> Self {
+ ChannelId(id)
+ }
+}
+
+impl From<ParaId> for ChannelId {
+ fn from(value: ParaId) -> Self {
+ derive_channel_id_for_sibling(value)
+ }
+}
+
+impl From<[u8; 32]> for ChannelId {
+ fn from(value: [u8; 32]) -> Self {
+ ChannelId(value)
+ }
+}
+
+impl From<ChannelId> for [u8; 32] {
+ fn from(value: ChannelId) -> Self {
+ value.0
+ }
+}
+
+impl<'a> From<&'a [u8; 32]> for ChannelId {
+ fn from(value: &'a [u8; 32]) -> Self {
+ ChannelId(*value)
+ }
+}
+
+impl From<H256> for ChannelId {
+ fn from(value: H256) -> Self {
+ ChannelId(value.into())
+ }
+}
+
+impl AsRef<[u8]> for ChannelId {
+ fn as_ref(&self) -> &[u8] {
+ &self.0
+ }
+}
+
+#[derive(Clone, Encode, Decode, RuntimeDebug, MaxEncodedLen, TypeInfo)]
+pub struct Channel {
+ /// ID of the agent contract deployed on Ethereum
+ pub agent_id: AgentId,
+ /// ID of the parachain who will receive or send messages using this channel
+ pub para_id: ParaId,
+}
+
+pub trait StaticLookup {
+ /// Type to lookup from.
+ type Source;
+ /// Type to lookup into.
+ type Target;
+ /// Attempt a lookup.
+ fn lookup(s: Self::Source) -> Option<Self::Target>;
+}
+
+/// Channel for high-priority governance commands
+pub const PRIMARY_GOVERNANCE_CHANNEL: ChannelId =
+ ChannelId::new(hex!("0000000000000000000000000000000000000000000000000000000000000001"));
+
+/// Channel for lower-priority governance commands
+pub const SECONDARY_GOVERNANCE_CHANNEL: ChannelId =
+ ChannelId::new(hex!("0000000000000000000000000000000000000000000000000000000000000002"));
+
+pub struct DescribeHere;
+impl DescribeLocation for DescribeHere {
+ fn describe_location(l: &Location) -> Option<Vec<u8>> {
+ match l.unpack() {
+ (0, []) => Some(Vec::<u8>::new().encode()),
+ _ => None,
+ }
+ }
+}
+
+/// Creates an AgentId from a Location. An AgentId is a unique mapping to a Agent contract on
+/// Ethereum which acts as the sovereign account for the Location.
+pub type AgentIdOf = HashedDescription<H256, (DescribeHere, DescribeFamily<DescribeAllTerminal>)>;
diff --git a/bridges/snowbridge/primitives/core/src/operating_mode.rs b/bridges/snowbridge/primitives/core/src/operating_mode.rs
new file mode 100644
index 0000000000000..9894e587ef5e7
--- /dev/null
+++ b/bridges/snowbridge/primitives/core/src/operating_mode.rs
@@ -0,0 +1,25 @@
+use codec::{Decode, Encode, MaxEncodedLen};
+use scale_info::TypeInfo;
+use sp_runtime::RuntimeDebug;
+
+/// Basic operating modes for a bridges module (Normal/Halted).
+#[derive(Encode, Decode, Clone, Copy, PartialEq, Eq, RuntimeDebug, TypeInfo, MaxEncodedLen)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+pub enum BasicOperatingMode {
+ /// Normal mode, when all operations are allowed.
+ Normal,
+ /// The pallet is halted. All non-governance operations are disabled.
+ Halted,
+}
+
+impl Default for BasicOperatingMode {
+ fn default() -> Self {
+ Self::Normal
+ }
+}
+
+impl BasicOperatingMode {
+ pub fn is_halted(&self) -> bool {
+ *self == BasicOperatingMode::Halted
+ }
+}
diff --git a/bridges/snowbridge/primitives/core/src/outbound.rs b/bridges/snowbridge/primitives/core/src/outbound.rs
new file mode 100644
index 0000000000000..bce123878d3a4
--- /dev/null
+++ b/bridges/snowbridge/primitives/core/src/outbound.rs
@@ -0,0 +1,413 @@
+use codec::{Decode, Encode};
+use frame_support::PalletError;
+use scale_info::TypeInfo;
+use sp_arithmetic::traits::{BaseArithmetic, Unsigned};
+use sp_core::{RuntimeDebug, H256};
+pub use v1::{AgentExecuteCommand, Command, Initializer, Message, OperatingMode, QueuedMessage};
+
+/// Enqueued outbound messages need to be versioned to prevent data corruption
+/// or loss after forkless runtime upgrades
+#[derive(Encode, Decode, TypeInfo, Clone, RuntimeDebug)]
+#[cfg_attr(feature = "std", derive(PartialEq))]
+pub enum VersionedQueuedMessage {
+ V1(QueuedMessage),
+}
+
+impl TryFrom<VersionedQueuedMessage> for QueuedMessage {
+ type Error = ();
+ fn try_from(x: VersionedQueuedMessage) -> Result<Self, Self::Error> {
+ use VersionedQueuedMessage::*;
+ match x {
+ V1(x) => Ok(x),
+ }
+ }
+}
+
+impl<T: Into<QueuedMessage>> From<T> for VersionedQueuedMessage {
+ fn from(x: T) -> Self {
+ VersionedQueuedMessage::V1(x.into())
+ }
+}
+
+mod v1 {
+ use crate::{pricing::UD60x18, ChannelId};
+ use codec::{Decode, Encode};
+ use ethabi::Token;
+ use scale_info::TypeInfo;
+ use sp_core::{RuntimeDebug, H160, H256, U256};
+ use sp_std::{borrow::ToOwned, vec, vec::Vec};
+
+ /// A message which can be accepted by implementations of `/[`SendMessage`\]`
+ #[derive(Encode, Decode, TypeInfo, Clone, RuntimeDebug)]
+ #[cfg_attr(feature = "std", derive(PartialEq))]
+ pub struct Message {
+ /// ID for this message. One will be automatically generated if not provided.
+ ///
+ /// When this message is created from an XCM message, the ID should be extracted
+ /// from the `SetTopic` instruction.
+ ///
+ /// The ID plays no role in bridge consensus, and is purely meant for message tracing.
+ pub id: Option<H256>,
+ /// The message channel ID
+ pub channel_id: ChannelId,
+ /// The stable ID for a receiving gateway contract
+ pub command: Command,
+ }
+
+ /// The operating mode of Channels and Gateway contract on Ethereum.
+ #[derive(Copy, Clone, Encode, Decode, PartialEq, Eq, RuntimeDebug, TypeInfo)]
+ pub enum OperatingMode {
+ /// Normal operations. Allow sending and receiving messages.
+ Normal,
+ /// Reject outbound messages. This allows receiving governance messages but does now allow
+ /// enqueuing of new messages from the Ethereum side. This can be used to close off an
+ /// deprecated channel or pause the bridge for upgrade operations.
+ RejectingOutboundMessages,
+ }
+
+ /// A command which is executable by the Gateway contract on Ethereum
+ #[derive(Clone, Encode, Decode, RuntimeDebug, TypeInfo)]
+ #[cfg_attr(feature = "std", derive(PartialEq))]
+ pub enum Command {
+ /// Execute a sub-command within an agent for a consensus system in Polkadot
+ AgentExecute {
+ /// The ID of the agent
+ agent_id: H256,
+ /// The sub-command to be executed
+ command: AgentExecuteCommand,
+ },
+ /// Upgrade the Gateway contract
+ Upgrade {
+ /// Address of the new implementation contract
+ impl_address: H160,
+ /// Codehash of the implementation contract
+ impl_code_hash: H256,
+ /// Optionally invoke an initializer in the implementation contract
+ initializer: Option<Initializer>,
+ },
+ /// Create an agent representing a consensus system on Polkadot
+ CreateAgent {
+ /// The ID of the agent, derived from the `MultiLocation` of the consensus system on
+ /// Polkadot
+ agent_id: H256,
+ },
+ /// Create bidirectional messaging channel to a parachain
+ CreateChannel {
+ /// The ID of the channel
+ channel_id: ChannelId,
+ /// The agent ID of the parachain
+ agent_id: H256,
+ /// Initial operating mode
+ mode: OperatingMode,
+ },
+ /// Update the configuration of a channel
+ UpdateChannel {
+ /// The ID of the channel
+ channel_id: ChannelId,
+ /// The new operating mode
+ mode: OperatingMode,
+ },
+ /// Set the global operating mode of the Gateway contract
+ SetOperatingMode {
+ /// The new operating mode
+ mode: OperatingMode,
+ },
+ /// Transfer ether from an agent contract to a recipient account
+ TransferNativeFromAgent {
+ /// The agent ID
+ agent_id: H256,
+ /// The recipient of the ether
+ recipient: H160,
+ /// The amount to transfer
+ amount: u128,
+ },
+ /// Set token fees of the Gateway contract
+ SetTokenTransferFees {
+ /// The fee(DOT) for the cost of creating asset on AssetHub
+ create_asset_xcm: u128,
+ /// The fee(DOT) for the cost of sending asset on AssetHub
+ transfer_asset_xcm: u128,
+ /// The fee(Ether) for register token to discourage spamming
+ register_token: U256,
+ },
+ /// Set pricing parameters
+ SetPricingParameters {
+ // ETH/DOT exchange rate
+ exchange_rate: UD60x18,
+ // Cost of delivering a message from Ethereum to BridgeHub, in ROC/KSM/DOT
+ delivery_cost: u128,
+ },
+ }
+
+ impl Command {
+ /// Compute the enum variant index
+ pub fn index(&self) -> u8 {
+ match self {
+ Command::AgentExecute { .. } => 0,
+ Command::Upgrade { .. } => 1,
+ Command::CreateAgent { .. } => 2,
+ Command::CreateChannel { .. } => 3,
+ Command::UpdateChannel { .. } => 4,
+ Command::SetOperatingMode { .. } => 5,
+ Command::TransferNativeFromAgent { .. } => 6,
+ Command::SetTokenTransferFees { .. } => 7,
+ Command::SetPricingParameters { .. } => 8,
+ }
+ }
+
+ /// ABI-encode the Command.
+ pub fn abi_encode(&self) -> Vec<u8> {
+ match self {
+ Command::AgentExecute { agent_id, command } =>
+ ethabi::encode(&[Token::Tuple(vec![
+ Token::FixedBytes(agent_id.as_bytes().to_owned()),
+ Token::Bytes(command.abi_encode()),
+ ])]),
+ Command::Upgrade { impl_address, impl_code_hash, initializer, .. } =>
+ ethabi::encode(&[Token::Tuple(vec![
+ Token::Address(*impl_address),
+ Token::FixedBytes(impl_code_hash.as_bytes().to_owned()),
+ initializer
+ .clone()
+ .map_or(Token::Bytes(vec![]), |i| Token::Bytes(i.params)),
+ ])]),
+ Command::CreateAgent { agent_id } =>
+ ethabi::encode(&[Token::Tuple(vec![Token::FixedBytes(
+ agent_id.as_bytes().to_owned(),
+ )])]),
+ Command::CreateChannel { channel_id, agent_id, mode } =>
+ ethabi::encode(&[Token::Tuple(vec![
+ Token::FixedBytes(channel_id.as_ref().to_owned()),
+ Token::FixedBytes(agent_id.as_bytes().to_owned()),
+ Token::Uint(U256::from((*mode) as u64)),
+ ])]),
+ Command::UpdateChannel { channel_id, mode } =>
+ ethabi::encode(&[Token::Tuple(vec![
+ Token::FixedBytes(channel_id.as_ref().to_owned()),
+ Token::Uint(U256::from((*mode) as u64)),
+ ])]),
+ Command::SetOperatingMode { mode } =>
+ ethabi::encode(&[Token::Tuple(vec![Token::Uint(U256::from((*mode) as u64))])]),
+ Command::TransferNativeFromAgent { agent_id, recipient, amount } =>
+ ethabi::encode(&[Token::Tuple(vec![
+ Token::FixedBytes(agent_id.as_bytes().to_owned()),
+ Token::Address(*recipient),
+ Token::Uint(U256::from(*amount)),
+ ])]),
+ Command::SetTokenTransferFees {
+ create_asset_xcm,
+ transfer_asset_xcm,
+ register_token,
+ } => ethabi::encode(&[Token::Tuple(vec![
+ Token::Uint(U256::from(*create_asset_xcm)),
+ Token::Uint(U256::from(*transfer_asset_xcm)),
+ Token::Uint(*register_token),
+ ])]),
+ Command::SetPricingParameters { exchange_rate, delivery_cost } =>
+ ethabi::encode(&[Token::Tuple(vec![
+ Token::Uint(exchange_rate.clone().into_inner()),
+ Token::Uint(U256::from(*delivery_cost)),
+ ])]),
+ }
+ }
+ }
+
+ /// Representation of a call to the initializer of an implementation contract.
+ /// The initializer has the following ABI signature: `initialize(bytes)`.
+ #[derive(Clone, Encode, Decode, PartialEq, RuntimeDebug, TypeInfo)]
+ pub struct Initializer {
+ /// ABI-encoded params of type `bytes` to pass to the initializer
+ pub params: Vec<u8>,
+ /// The initializer is allowed to consume this much gas at most.
+ pub maximum_required_gas: u64,
+ }
+
+ /// A Sub-command executable within an agent
+ #[derive(Clone, Encode, Decode, RuntimeDebug, TypeInfo)]
+ #[cfg_attr(feature = "std", derive(PartialEq))]
+ pub enum AgentExecuteCommand {
+ /// Transfer ERC20 tokens
+ TransferToken {
+ /// Address of the ERC20 token
+ token: H160,
+ /// The recipient of the tokens
+ recipient: H160,
+ /// The amount of tokens to transfer
+ amount: u128,
+ },
+ }
+
+ impl AgentExecuteCommand {
+ fn index(&self) -> u8 {
+ match self {
+ AgentExecuteCommand::TransferToken { .. } => 0,
+ }
+ }
+
+ /// ABI-encode the sub-command
+ pub fn abi_encode(&self) -> Vec<u8> {
+ match self {
+ AgentExecuteCommand::TransferToken { token, recipient, amount } =>
+ ethabi::encode(&[
+ Token::Uint(self.index().into()),
+ Token::Bytes(ethabi::encode(&[
+ Token::Address(*token),
+ Token::Address(*recipient),
+ Token::Uint(U256::from(*amount)),
+ ])),
+ ]),
+ }
+ }
+ }
+
+ /// Message which is awaiting processing in the MessageQueue pallet
+ #[derive(Clone, Encode, Decode, RuntimeDebug, TypeInfo)]
+ #[cfg_attr(feature = "std", derive(PartialEq))]
+ pub struct QueuedMessage {
+ /// Message ID
+ pub id: H256,
+ /// Channel ID
+ pub channel_id: ChannelId,
+ /// Command to execute in the Gateway contract
+ pub command: Command,
+ }
+}
+
+#[cfg_attr(feature = "std", derive(PartialEq, Debug))]
+/// Fee for delivering message
+pub struct Fee<Balance>
+where
+ Balance: BaseArithmetic + Unsigned + Copy,
+{
+ /// Fee to cover cost of processing the message locally
+ pub local: Balance,
+ /// Fee to cover cost processing the message remotely
+ pub remote: Balance,
+}
+
+impl<Balance> Fee<Balance>
+where
+ Balance: BaseArithmetic + Unsigned + Copy,
+{
+ pub fn total(&self) -> Balance {
+ self.local.saturating_add(self.remote)
+ }
+}
+
+impl<Balance> From<(Balance, Balance)> for Fee<Balance>
+where
+ Balance: BaseArithmetic + Unsigned + Copy,
+{
+ fn from((local, remote): (Balance, Balance)) -> Self {
+ Self { local, remote }
+ }
+}
+
+/// A trait for sending messages to Ethereum
+pub trait SendMessage: SendMessageFeeProvider {
+ type Ticket: Clone + Encode + Decode;
+
+ /// Validate an outbound message and return a tuple:
+ /// 1. Ticket for submitting the message
+ /// 2. Delivery fee
+ fn validate(
+ message: &Message,
+ ) -> Result<(Self::Ticket, Fee<<Self as SendMessageFeeProvider>::Balance>), SendError>;
+
+ /// Submit the message ticket for eventual delivery to Ethereum
+ fn deliver(ticket: Self::Ticket) -> Result<H256, SendError>;
+}
+
+pub trait Ticket: Encode + Decode + Clone {
+ fn message_id(&self) -> H256;
+}
+
+/// A trait for getting the local costs associated with sending a message.
+pub trait SendMessageFeeProvider {
+ type Balance: BaseArithmetic + Unsigned + Copy;
+
+ /// The local component of the message processing fees in native currency
+ fn local_fee() -> Self::Balance;
+}
+
+/// Reasons why sending to Ethereum could not be initiated
+#[derive(Copy, Clone, Encode, Decode, PartialEq, Eq, RuntimeDebug, PalletError, TypeInfo)]
+pub enum SendError {
+ /// Message is too large to be safely executed on Ethereum
+ MessageTooLarge,
+ /// The bridge has been halted for maintenance
+ Halted,
+ /// Invalid Channel
+ InvalidChannel,
+}
+
+pub trait GasMeter {
+ /// All the gas used for submitting a message to Ethereum, minus the cost of dispatching
+ /// the command within the message
+ const MAXIMUM_BASE_GAS: u64;
+
+ fn maximum_gas_used_at_most(command: &Command) -> u64 {
+ Self::MAXIMUM_BASE_GAS + Self::maximum_dispatch_gas_used_at_most(command)
+ }
+
+ /// Measures the maximum amount of gas a command payload will require to dispatch, AFTER
+ /// validation & verification.
+ fn maximum_dispatch_gas_used_at_most(command: &Command) -> u64;
+}
+
+/// A meter that assigns a constant amount of gas for the execution of a command
+///
+/// The gas figures are extracted from this report:
+/// > forge test --match-path test/Gateway.t.sol --gas-report
+///
+/// A healthy buffer is added on top of these figures to account for:
+/// * The EIP-150 63/64 rule
+/// * Future EVM upgrades that may increase gas cost
+pub struct ConstantGasMeter;
+
+impl GasMeter for ConstantGasMeter {
+ // The base transaction cost, which includes:
+ // 21_000 transaction cost, roughly worst case 64_000 for calldata, and 100_000
+ // for message verification
+ const MAXIMUM_BASE_GAS: u64 = 185_000;
+
+ fn maximum_dispatch_gas_used_at_most(command: &Command) -> u64 {
+ match command {
+ Command::CreateAgent { .. } => 275_000,
+ Command::CreateChannel { .. } => 100_000,
+ Command::UpdateChannel { .. } => 50_000,
+ Command::TransferNativeFromAgent { .. } => 60_000,
+ Command::SetOperatingMode { .. } => 40_000,
+ Command::AgentExecute { command, .. } => match command {
+ // Execute IERC20.transferFrom
+ //
+ // Worst-case assumptions are important:
+ // * No gas refund for clearing storage slot of source account in ERC20 contract
+ // * Assume dest account in ERC20 contract does not yet have a storage slot
+ // * ERC20.transferFrom possibly does other business logic besides updating balances
+ AgentExecuteCommand::TransferToken { .. } => 100_000,
+ },
+ Command::Upgrade { initializer, .. } => {
+ let initializer_max_gas = match *initializer {
+ Some(Initializer { maximum_required_gas, .. }) => maximum_required_gas,
+ None => 0,
+ };
+ // total maximum gas must also include the gas used for updating the proxy before
+ // the the initializer is called.
+ 50_000 + initializer_max_gas
+ },
+ Command::SetTokenTransferFees { .. } => 60_000,
+ Command::SetPricingParameters { .. } => 60_000,
+ }
+ }
+}
+
+impl GasMeter for () {
+ const MAXIMUM_BASE_GAS: u64 = 1;
+
+ fn maximum_dispatch_gas_used_at_most(_: &Command) -> u64 {
+ 1
+ }
+}
+
+pub const ETHER_DECIMALS: u8 = 18;
diff --git a/bridges/snowbridge/primitives/core/src/pricing.rs b/bridges/snowbridge/primitives/core/src/pricing.rs
new file mode 100644
index 0000000000000..33aeda6d15c47
--- /dev/null
+++ b/bridges/snowbridge/primitives/core/src/pricing.rs
@@ -0,0 +1,67 @@
+use codec::{Decode, Encode, MaxEncodedLen};
+use scale_info::TypeInfo;
+use sp_arithmetic::traits::{BaseArithmetic, Unsigned, Zero};
+use sp_core::U256;
+use sp_runtime::{FixedU128, RuntimeDebug};
+use sp_std::prelude::*;
+
+#[derive(Clone, Encode, Decode, PartialEq, RuntimeDebug, MaxEncodedLen, TypeInfo)]
+pub struct PricingParameters<Balance> {
+ /// ETH/DOT exchange rate
+ pub exchange_rate: FixedU128,
+ /// Relayer rewards
+ pub rewards: Rewards<Balance>,
+ /// Ether (wei) fee per gas unit
+ pub fee_per_gas: U256,
+}
+
+#[derive(Clone, Encode, Decode, PartialEq, RuntimeDebug, MaxEncodedLen, TypeInfo)]
+pub struct Rewards<Balance> {
+ /// Local reward in DOT
+ pub local: Balance,
+ /// Remote reward in ETH (wei)
+ pub remote: U256,
+}
+
+#[derive(RuntimeDebug)]
+pub struct InvalidPricingParameters;
+
+impl<Balance> PricingParameters<Balance>
+where
+ Balance: BaseArithmetic + Unsigned + Copy,
+{
+ pub fn validate(&self) -> Result<(), InvalidPricingParameters> {
+ if self.exchange_rate == FixedU128::zero() {
+ return Err(InvalidPricingParameters)
+ }
+ if self.fee_per_gas == U256::zero() {
+ return Err(InvalidPricingParameters)
+ }
+ if self.rewards.local.is_zero() {
+ return Err(InvalidPricingParameters)
+ }
+ if self.rewards.remote.is_zero() {
+ return Err(InvalidPricingParameters)
+ }
+ Ok(())
+ }
+}
+
+/// Holder for fixed point number implemented in <https://github.com/PaulRBerg/prb-math>
+#[derive(Clone, Encode, Decode, RuntimeDebug, TypeInfo)]
+#[cfg_attr(feature = "std", derive(PartialEq))]
+pub struct UD60x18(U256);
+
+impl From<FixedU128> for UD60x18 {
+ fn from(value: FixedU128) -> Self {
+ // Both FixedU128 and UD60x18 have 18 decimal places
+ let inner: u128 = value.into_inner();
+ UD60x18(inner.into())
+ }
+}
+
+impl UD60x18 {
+ pub fn into_inner(self) -> U256 {
+ self.0
+ }
+}
diff --git a/bridges/snowbridge/primitives/core/src/ringbuffer.rs b/bridges/snowbridge/primitives/core/src/ringbuffer.rs
new file mode 100644
index 0000000000000..dcee20359a78e
--- /dev/null
+++ b/bridges/snowbridge/primitives/core/src/ringbuffer.rs
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use codec::FullCodec;
+use core::{cmp::Ord, marker::PhantomData, ops::Add};
+use frame_support::storage::{types::QueryKindTrait, StorageMap, StorageValue};
+use sp_core::{Get, GetDefault};
+use sp_runtime::traits::{One, Zero};
+
+/// Trait object presenting the ringbuffer interface.
+pub trait RingBufferMap<Key, Value, QueryKind>
+where
+ Key: FullCodec,
+ Value: FullCodec,
+ QueryKind: QueryKindTrait<Value, GetDefault>,
+{
+ /// Insert a map entry.
+ fn insert(k: Key, v: Value);
+
+ /// Check if map contains a key
+ fn contains_key(k: Key) -> bool;
+
+ /// Get the value of the key
+ fn get(k: Key) -> QueryKind::Query;
+}
+
+pub struct RingBufferMapImpl<Index, B, CurrentIndex, Intermediate, M, QueryKind>(
+ PhantomData<(Index, B, CurrentIndex, Intermediate, M, QueryKind)>,
+);
+
+/// Ringbuffer implementation based on `RingBufferTransient`
+impl<Key, Value, Index, B, CurrentIndex, Intermediate, M, QueryKind>
+ RingBufferMap<Key, Value, QueryKind>
+ for RingBufferMapImpl<Index, B, CurrentIndex, Intermediate, M, QueryKind>
+where
+ Key: FullCodec + Clone,
+ Value: FullCodec,
+ Index: Ord + One + Zero + Add<Output = Index> + Copy + FullCodec + Eq,
+ B: Get<Index>,
+ CurrentIndex: StorageValue<Index, Query = Index>,
+ Intermediate: StorageMap<Index, Key, Query = Key>,
+ M: StorageMap<Key, Value, Query = QueryKind::Query>,
+ QueryKind: QueryKindTrait<Value, GetDefault>,
+{
+ /// Insert a map entry.
+ fn insert(k: Key, v: Value) {
+ let bound = B::get();
+ let mut current_index = CurrentIndex::get();
+
+ // Adding one here as bound denotes number of items but our index starts with zero.
+ if (current_index + Index::one()) >= bound {
+ current_index = Index::zero();
+ } else {
+ current_index = current_index + Index::one();
+ }
+
+ // Deleting earlier entry if it exists
+ if Intermediate::contains_key(current_index) {
+ let older_key = Intermediate::get(current_index);
+ M::remove(older_key);
+ }
+
+ Intermediate::insert(current_index, k.clone());
+ CurrentIndex::set(current_index);
+ M::insert(k, v);
+ }
+
+ /// Check if map contains a key
+ fn contains_key(k: Key) -> bool {
+ M::contains_key(k)
+ }
+
+ /// Get the value associated with key
+ fn get(k: Key) -> M::Query {
+ M::get(k)
+ }
+}
diff --git a/bridges/snowbridge/primitives/core/src/tests.rs b/bridges/snowbridge/primitives/core/src/tests.rs
new file mode 100644
index 0000000000000..725fff1a9c941
--- /dev/null
+++ b/bridges/snowbridge/primitives/core/src/tests.rs
@@ -0,0 +1,13 @@
+use crate::{ChannelId, ParaId};
+use hex_literal::hex;
+
+const EXPECT_CHANNEL_ID: [u8; 32] =
+ hex!("c173fac324158e77fb5840738a1a541f633cbec8884c6a601c567d2b376a0539");
+
+// The Solidity equivalent code is tested in Gateway.t.sol:testDeriveChannelID
+#[test]
+fn generate_channel_id() {
+ let para_id: ParaId = 1000.into();
+ let channel_id: ChannelId = para_id.into();
+ assert_eq!(channel_id, EXPECT_CHANNEL_ID.into());
+}
diff --git a/bridges/snowbridge/primitives/core/tests/fixtures/packet.scale b/bridges/snowbridge/primitives/core/tests/fixtures/packet.scale
new file mode 100644
index 0000000000000000000000000000000000000000..d5f6696ea69fffd243e7b5b8eb5cef9a7943802c
GIT binary patch
literal 386
zcmey$@{`eO3a|PGwn>f$OiR<|zm;Bl`pg~PD;FOw$X>r+c>lSjPtL_$Twtw|kh$jl
zS?;w<-}_0i&Ng4rqdapbBLjuNfq?!6$nxj^t@@rJ)2R`gdVXI+cf(Vr%+%t(^(>-d
z?ZwGzC;u(1Q~eXvo@h4tq|k&po77ghPx+MPfvlelHWvXs+^mce@x_g<Q@-W)_fFwC
z>Jwk~)F6RXwch5{*^j}NN-C3<bAIvo#;5jY@$b1!2h4*!Ht%hGr*@BJLiwCFkA1aM
Hv$+`n$1zy(
literal 0
HcmV?d00001
diff --git a/bridges/snowbridge/primitives/core/tests/mod.rs b/bridges/snowbridge/primitives/core/tests/mod.rs
new file mode 100644
index 0000000000000..c91063a814809
--- /dev/null
+++ b/bridges/snowbridge/primitives/core/tests/mod.rs
@@ -0,0 +1,14 @@
+#[cfg(test)]
+mod tests {
+ use frame_support::traits::Contains;
+ use snowbridge_core::AllowSiblingsOnly;
+ use xcm::prelude::{Junction::Parachain, Location};
+
+ #[test]
+ fn allow_siblings_predicate_only_allows_siblings() {
+ let sibling = Location::new(1, [Parachain(1000)]);
+ let child = Location::new(0, [Parachain(1000)]);
+ assert!(AllowSiblingsOnly::contains(&sibling), "Sibling returns true.");
+ assert!(!AllowSiblingsOnly::contains(&child), "Child returns false.");
+ }
+}
diff --git a/bridges/snowbridge/primitives/ethereum/Cargo.toml b/bridges/snowbridge/primitives/ethereum/Cargo.toml
new file mode 100644
index 0000000000000..710a056daa5f5
--- /dev/null
+++ b/bridges/snowbridge/primitives/ethereum/Cargo.toml
@@ -0,0 +1,56 @@
+[package]
+name = "snowbridge-ethereum"
+description = "Snowbridge Ethereum"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[dependencies]
+serde = { version = "1.0.195", optional = true, features = ["derive"] }
+serde-big-array = { version = "0.3.2", optional = true, features = ["const-generics"] }
+codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false, features = ["derive"] }
+scale-info = { version = "2.9.0", default-features = false, features = ["derive"] }
+ethbloom = { version = "0.13.0", default-features = false }
+ethereum-types = { version = "0.14.1", default-features = false, features = ["codec", "rlp", "serialize"] }
+hex = { package = "rustc-hex", version = "2.1.0", default-features = false }
+hex-literal = { version = "0.4.1", default-features = false }
+parity-bytes = { version = "0.1.2", default-features = false }
+rlp = { version = "0.5.2", default-features = false }
+
+sp-io = { path = "../../../../substrate/primitives/io", default-features = false }
+sp-std = { path = "../../../../substrate/primitives/std", default-features = false }
+sp-core = { path = "../../../../substrate/primitives/core", default-features = false }
+sp-runtime = { path = "../../../../substrate/primitives/runtime", default-features = false }
+
+ethabi = { package = "ethabi-decode", version = "1.0.0", default-features = false }
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3.19"
+rand = "0.8.5"
+serde_json = "1.0.111"
+
+[features]
+default = ["std"]
+expensive_tests = []
+std = [
+ "codec/std",
+ "ethabi/std",
+ "ethbloom/std",
+ "ethereum-types/std",
+ "hex/std",
+ "parity-bytes/std",
+ "rlp/std",
+ "scale-info/std",
+ "serde",
+ "serde-big-array",
+ "sp-core/std",
+ "sp-io/std",
+ "sp-runtime/std",
+ "sp-std/std",
+]
diff --git a/bridges/snowbridge/primitives/ethereum/README.md b/bridges/snowbridge/primitives/ethereum/README.md
new file mode 100644
index 0000000000000..c295aad9040f9
--- /dev/null
+++ b/bridges/snowbridge/primitives/ethereum/README.md
@@ -0,0 +1,4 @@
+# Ethereum Primitives
+
+Contains code necessary to decode RLP encoded data (like the Ethereum log), structs for Ethereum execution headers. The
+code in this crate relates to the Ethereum execution chain.
diff --git a/bridges/snowbridge/primitives/ethereum/src/header.rs b/bridges/snowbridge/primitives/ethereum/src/header.rs
new file mode 100644
index 0000000000000..f0b51f8c79de8
--- /dev/null
+++ b/bridges/snowbridge/primitives/ethereum/src/header.rs
@@ -0,0 +1,414 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use codec::{Decode, Encode};
+use ethbloom::Bloom as EthBloom;
+use hex_literal::hex;
+use parity_bytes::Bytes;
+use rlp::RlpStream;
+use scale_info::TypeInfo;
+use sp_io::hashing::keccak_256;
+use sp_runtime::RuntimeDebug;
+use sp_std::{convert::TryInto, prelude::*};
+
+#[cfg(feature = "std")]
+use serde::{Deserialize, Serialize};
+
+#[cfg(feature = "std")]
+use serde_big_array::BigArray;
+
+use ethereum_types::{Address, H256, H64, U256};
+
+use crate::{mpt, receipt};
+
+/// Complete block header id.
+#[derive(Clone, Copy, Default, Encode, Decode, PartialEq, RuntimeDebug, TypeInfo)]
+pub struct HeaderId {
+ /// Header number.
+ pub number: u64,
+ /// Header hash.
+ pub hash: H256,
+}
+
+const EMPTY_OMMERS_HASH: [u8; 32] =
+ hex!("1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347");
+
+/// An Ethereum block header.
+#[derive(Clone, Default, Encode, Decode, PartialEq, RuntimeDebug, TypeInfo)]
+#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
+pub struct Header {
+ /// Parent block hash.
+ pub parent_hash: H256,
+ /// Block timestamp.
+ pub timestamp: u64,
+ /// Block number.
+ pub number: u64,
+ /// Block author.
+ pub author: Address,
+
+ /// Transactions root.
+ pub transactions_root: H256,
+ /// Block ommers hash.
+ pub ommers_hash: H256,
+ /// Block extra data.
+ pub extra_data: Bytes,
+
+ /// State root.
+ pub state_root: H256,
+ /// Block receipts root.
+ pub receipts_root: H256,
+ /// Block bloom.
+ pub logs_bloom: Bloom,
+ /// Gas used for contracts execution.
+ pub gas_used: U256,
+ /// Block gas limit.
+ pub gas_limit: U256,
+
+ /// Block difficulty.
+ pub difficulty: U256,
+ /// Vector of post-RLP-encoded fields.
+ pub seal: Vec<Bytes>,
+
+ // Base fee per gas (EIP-1559), only in headers from the London hardfork onwards.
+ pub base_fee: Option<U256>,
+}
+
+impl Header {
+ /// Compute hash of this header (keccak of the RLP with seal).
+ pub fn compute_hash(&self) -> H256 {
+ keccak_256(&self.rlp(true)).into()
+ }
+
+ /// Compute hash of the truncated header i.e. excluding seal.
+ pub fn compute_partial_hash(&self) -> H256 {
+ keccak_256(&self.rlp(false)).into()
+ }
+
+ pub fn check_receipt_proof(
+ &self,
+ proof: &[Vec<u8>],
+ ) -> Option<Result<receipt::Receipt, rlp::DecoderError>> {
+ match self.apply_merkle_proof(proof) {
+ Some((root, data)) if root == self.receipts_root => Some(rlp::decode(&data)),
+ Some((_, _)) => None,
+ None => None,
+ }
+ }
+
+ pub fn apply_merkle_proof(&self, proof: &[Vec<u8>]) -> Option<(H256, Vec<u8>)> {
+ let mut iter = proof.iter().rev();
+ let first_bytes = match iter.next() {
+ Some(b) => b,
+ None => return None,
+ };
+ let item_to_prove: mpt::ShortNode = rlp::decode(first_bytes).ok()?;
+
+ let final_hash: Option<[u8; 32]> = iter.try_fold(keccak_256(first_bytes), |acc, x| {
+ let node: Box<dyn mpt::Node> = x.as_slice().try_into().ok()?;
+ if (*node).contains_hash(acc.into()) {
+ return Some(keccak_256(x))
+ }
+ None
+ });
+
+ final_hash.map(|hash| (hash.into(), item_to_prove.value))
+ }
+
+ pub fn mix_hash(&self) -> Option<H256> {
+ let bytes: Bytes = self.decoded_seal_field(0, 32)?;
+ let size = bytes.len();
+ let mut mix_hash = [0u8; 32];
+ for i in 0..size {
+ mix_hash[31 - i] = bytes[size - 1 - i];
+ }
+ Some(mix_hash.into())
+ }
+
+ pub fn nonce(&self) -> Option<H64> {
+ let bytes: Bytes = self.decoded_seal_field(1, 8)?;
+ let size = bytes.len();
+ let mut nonce = [0u8; 8];
+ for i in 0..size {
+ nonce[7 - i] = bytes[size - 1 - i];
+ }
+ Some(nonce.into())
+ }
+
+ pub fn has_ommers(&self) -> bool {
+ self.ommers_hash != EMPTY_OMMERS_HASH.into()
+ }
+
+ fn decoded_seal_field(&self, index: usize, max_len: usize) -> Option<Bytes> {
+ let bytes: Bytes = rlp::decode(self.seal.get(index)?).ok()?;
+ if bytes.len() > max_len {
+ return None
+ }
+ Some(bytes)
+ }
+
+ /// Returns header RLP with or without seals.
+ /// For EIP-1559 baseFee addition refer to:
+ /// <https://github.com/openethereum/openethereum/blob/193b25a22d5ff07759c6431129e95235510516f9/crates/ethcore/types/src/header.rs#L341>
+ fn rlp(&self, with_seal: bool) -> Bytes {
+ let mut s = RlpStream::new();
+
+ let stream_length_without_seal = if self.base_fee.is_some() { 14 } else { 13 };
+
+ if with_seal {
+ s.begin_list(stream_length_without_seal + self.seal.len());
+ } else {
+ s.begin_list(stream_length_without_seal);
+ }
+
+ s.append(&self.parent_hash);
+ s.append(&self.ommers_hash);
+ s.append(&self.author);
+ s.append(&self.state_root);
+ s.append(&self.transactions_root);
+ s.append(&self.receipts_root);
+ s.append(&EthBloom::from(self.logs_bloom.0));
+ s.append(&self.difficulty);
+ s.append(&self.number);
+ s.append(&self.gas_limit);
+ s.append(&self.gas_used);
+ s.append(&self.timestamp);
+ s.append(&self.extra_data);
+
+ if with_seal {
+ for b in &self.seal {
+ s.append_raw(b, 1);
+ }
+ }
+
+ if let Some(base_fee) = self.base_fee {
+ s.append(&base_fee);
+ }
+
+ s.out().to_vec()
+ }
+}
+
+/// Logs bloom.
+#[derive(Clone, Debug, Encode, Decode, TypeInfo)]
+#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
+pub struct Bloom(#[cfg_attr(feature = "std", serde(with = "BigArray"))] [u8; 256]);
+
+impl<'a> From<&'a [u8; 256]> for Bloom {
+ fn from(buffer: &'a [u8; 256]) -> Bloom {
+ Bloom(*buffer)
+ }
+}
+
+impl PartialEq<Bloom> for Bloom {
+ fn eq(&self, other: &Bloom) -> bool {
+ self.0.iter().zip(other.0.iter()).all(|(l, r)| l == r)
+ }
+}
+
+impl Default for Bloom {
+ fn default() -> Self {
+ Bloom([0; 256])
+ }
+}
+
+impl rlp::Decodable for Bloom {
+ fn decode(rlp: &rlp::Rlp) -> Result<Self, rlp::DecoderError> {
+ let v: Vec<u8> = rlp.as_val()?;
+ match v.len() {
+ 256 => {
+ let mut bytes = [0u8; 256];
+ bytes.copy_from_slice(&v);
+ Ok(Self(bytes))
+ },
+ _ => Err(rlp::DecoderError::Custom("Expected 256 bytes")),
+ }
+ }
+}
+
+#[cfg(test)]
+mod tests {
+
+ use super::*;
+
+ #[test]
+ fn bloom_decode_rlp() {
+ let raw_bloom = hex!(
+ "
+ b901000420000000000000000000008002000000000001000000000001000000000000000000
+ 0000000000000000000000000002000000080000000000000000200000000000000000000000
+ 0000080000002200000000004000100000000000000000000000000000000000000000000000
+ 0000000000000004000000001000010000000000080000000000400000000000000000000000
+ 0000080000004000000000020000000000020000000000000000000000000000000000000000
+ 0000040000000000020000000001000000000000000000000000000010000000020000200000
+ 10200000000000010000000000000000000000000000000000000010000000
+ "
+ );
+ let expected_bytes = &raw_bloom[3..];
+ let bloom: Bloom = rlp::decode(&raw_bloom).unwrap();
+ assert_eq!(bloom.0, expected_bytes);
+ }
+
+ #[test]
+ fn header_compute_hash_poa() {
+ // PoA header
+ let header = Header {
+ parent_hash: Default::default(),
+ timestamp: 0,
+ number: 0,
+ author: Default::default(),
+ transactions_root: hex!(
+ "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"
+ )
+ .into(),
+ ommers_hash: hex!("1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347")
+ .into(),
+ extra_data: vec![],
+ state_root: hex!("eccf6b74c2bcbe115c71116a23fe963c54406010c244d9650526028ad3e32cce")
+ .into(),
+ receipts_root: hex!("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
+ .into(),
+ logs_bloom: Default::default(),
+ gas_used: Default::default(),
+ gas_limit: 0x222222.into(),
+ difficulty: 0x20000.into(),
+ seal: vec![vec![0x80], {
+ let mut vec = vec![0xb8, 0x41];
+ vec.resize(67, 0);
+ vec
+ }],
+ base_fee: None,
+ };
+ assert_eq!(
+ header.compute_hash().as_bytes(),
+ hex!("9ff57c7fa155853586382022f0982b71c51fa313a0942f8c456300896643e890"),
+ );
+ }
+
+ #[test]
+ fn header_compute_hash_pow() {
+ // <https://etherscan.io/block/11090290>
+ let nonce = hex!("6935bbe7b63c4f8e").to_vec();
+ let mix_hash =
+ hex!("be3adfb0087be62b28b716e2cdf3c79329df5caa04c9eee035d35b5d52102815").to_vec();
+ let header = Header {
+ parent_hash: hex!("bede0bddd6f32c895fc505ffe0c39d9bde58e9a5272f31a3dee448b796edcbe3")
+ .into(),
+ timestamp: 1603160977,
+ number: 11090290,
+ author: hex!("ea674fdde714fd979de3edf0f56aa9716b898ec8").into(),
+ transactions_root: hex!(
+ "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"
+ )
+ .into(),
+ ommers_hash: hex!("1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347")
+ .into(),
+ extra_data: hex!("65746865726d696e652d61736961312d33").to_vec(),
+ state_root: hex!("7dcb8aca872b712bad81df34a89d4efedc293566ffc3eeeb5cbcafcc703e42c9")
+ .into(),
+ receipts_root: hex!("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
+ .into(),
+ logs_bloom: Default::default(),
+ gas_used: 0.into(),
+ gas_limit: 0xbe8c19.into(),
+ difficulty: 0xbc140caa61087i64.into(),
+ seal: vec![rlp::encode(&mix_hash).to_vec(), rlp::encode(&nonce).to_vec()],
+ base_fee: None,
+ };
+ assert_eq!(
+ header.compute_hash().as_bytes(),
+ hex!("0f9bdc91c2e0140acb873330742bda8c8181fa3add91fe7ae046251679cedef7"),
+ );
+ }
+
+ #[test]
+ fn header_pow_seal_fields_extracted_correctly() {
+ let nonce: H64 = hex!("6935bbe7b63c4f8e").into();
+ let mix_hash: H256 =
+ hex!("be3adfb0087be62b28b716e2cdf3c79329df5caa04c9eee035d35b5d52102815").into();
+ let header = Header {
+ seal: vec![
+ rlp::encode(&mix_hash.0.to_vec()).to_vec(),
+ rlp::encode(&nonce.0.to_vec()).to_vec(),
+ ],
+ ..Default::default()
+ };
+
+ assert_eq!(header.nonce().unwrap(), nonce);
+ assert_eq!(header.mix_hash().unwrap(), mix_hash);
+ }
+
+ #[test]
+ fn header_pow_seal_fields_return_none_for_invalid_values() {
+ let nonce = hex!("696935bbe7b63c4f8e").to_vec();
+ let mix_hash =
+ hex!("bebe3adfb0087be62b28b716e2cdf3c79329df5caa04c9eee035d35b5d52102815").to_vec();
+ let mut header = Header {
+ seal: vec![rlp::encode(&mix_hash).to_vec(), rlp::encode(&nonce).to_vec()],
+ ..Default::default()
+ };
+ assert_eq!(header.nonce(), None);
+ assert_eq!(header.mix_hash(), None);
+
+ header.seal = Vec::new();
+ assert_eq!(header.nonce(), None);
+ assert_eq!(header.mix_hash(), None);
+ }
+
+ #[test]
+ fn header_check_receipt_proof() {
+ let header = Header {
+ receipts_root: hex!("fd5e397a84884641f53c496804f24b5276cbb8c5c9cfc2342246be8e3ce5ad02")
+ .into(),
+ ..Default::default()
+ };
+
+ // Valid proof
+ let proof_receipt5 = vec!(
+ hex!("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").to_vec(),
+ hex!("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").to_vec(),
+ hex!("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").to_vec(),
+ );
+ assert!(header.check_receipt_proof(&proof_receipt5).is_some());
+
+ // Various invalid proofs
+ let proof_empty: Vec<Vec<u8>> = vec![];
+ let proof_missing_full_node = vec![proof_receipt5[0].clone(), proof_receipt5[2].clone()];
+ let proof_missing_short_node1 = vec![proof_receipt5[0].clone(), proof_receipt5[1].clone()];
+ let proof_missing_short_node2 = vec![proof_receipt5[0].clone()];
+ let proof_invalid_encoding = vec![proof_receipt5[2][2..].to_vec()];
+ let proof_no_full_node = vec![proof_receipt5[2].clone(), proof_receipt5[2].clone()];
+ assert!(header.check_receipt_proof(&proof_empty).is_none());
+ assert!(header.check_receipt_proof(&proof_missing_full_node).is_none());
+
+ assert_eq!(
+ header.check_receipt_proof(&proof_missing_short_node1),
+ Some(Err(rlp::DecoderError::Custom("Unsupported receipt type")))
+ );
+
+ assert_eq!(
+ header.check_receipt_proof(&proof_missing_short_node2),
+ Some(Err(rlp::DecoderError::Custom("Unsupported receipt type")))
+ );
+
+ assert!(header.check_receipt_proof(&proof_invalid_encoding).is_none());
+ assert!(header.check_receipt_proof(&proof_no_full_node).is_none());
+ }
+
+ #[test]
+ fn header_check_receipt_proof_with_intermediate_short_node() {
+ let header = Header {
+ receipts_root: hex!("d128e3a57142d2bf15bc0cbcac7ad54f40750d571b5c3097e425882c10c9ba66")
+ .into(),
+ ..Default::default()
+ };
+
+ let proof_receipt263 = vec![
+ hex!("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").to_vec(),
+ hex!("f871a0246de222036ee6a03329b0105da0a6b3f916fc95a9ed5a403a581a0c4d74242ca0ac108a49a88b57a05ac34a108b39f1e45f6f167f2b9fbc8d52fb58e2e5a6af1ea0fcfe07ac2ccd3c28b6eab68d1bce112f6f6dbd9023e4ec3c05b96615aa803d798080808080808080808080808080").to_vec(),
+ hex!("e4820001a04fff54398cad4d05ea6abfd8b0f3b4fe14c04d7ff5f5211c5b927d9cf72ac1d8").to_vec(),
+ hex!("f851a096d010643ca2d47412ca66898286b5f2412963b9ec051b33e570d575914c9c5ca028cd24c652989542fe89479ec6388eac4592432242af5ba97563b3ac7c71c019808080808080808080808080808080").to_vec(),
+ hex!("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").to_vec(),
+ hex!("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").to_vec(),
+ ];
+ assert!(header.check_receipt_proof(&proof_receipt263).is_some());
+ }
+}
diff --git a/bridges/snowbridge/primitives/ethereum/src/lib.rs b/bridges/snowbridge/primitives/ethereum/src/lib.rs
new file mode 100644
index 0000000000000..1a10ea9abb772
--- /dev/null
+++ b/bridges/snowbridge/primitives/ethereum/src/lib.rs
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+#![cfg_attr(not(feature = "std"), no_std)]
+
+pub mod header;
+pub mod log;
+pub mod mpt;
+pub mod receipt;
+
+pub use ethereum_types::{Address, H160, H256, H64, U256};
+
+pub use header::{Bloom, Header, HeaderId};
+pub use log::Log;
+pub use receipt::Receipt;
+
+#[derive(Debug)]
+pub enum DecodeError {
+ // Unexpected RLP data
+ InvalidRLP(rlp::DecoderError),
+ // Data does not match expected ABI
+ InvalidABI(ethabi::Error),
+ // Invalid message payload
+ InvalidPayload,
+}
+
+impl From<rlp::DecoderError> for DecodeError {
+ fn from(err: rlp::DecoderError) -> Self {
+ DecodeError::InvalidRLP(err)
+ }
+}
+
+impl From<ethabi::Error> for DecodeError {
+ fn from(err: ethabi::Error) -> Self {
+ DecodeError::InvalidABI(err)
+ }
+}
diff --git a/bridges/snowbridge/primitives/ethereum/src/log.rs b/bridges/snowbridge/primitives/ethereum/src/log.rs
new file mode 100644
index 0000000000000..7b8e35bb1133e
--- /dev/null
+++ b/bridges/snowbridge/primitives/ethereum/src/log.rs
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use codec::{Decode, Encode};
+use ethereum_types::{H160, H256};
+use sp_std::prelude::*;
+
+#[derive(Clone, Debug, Encode, Decode, PartialEq, Eq)]
+pub struct Log {
+ pub address: H160,
+ pub topics: Vec<H256>,
+ pub data: Vec<u8>,
+}
+
+impl rlp::Decodable for Log {
+ /// We need to implement rlp::Decodable manually as the derive macro RlpDecodable
+ /// didn't seem to generate the correct code for parsing our logs.
+ fn decode(rlp: &rlp::Rlp) -> Result<Self, rlp::DecoderError> {
+ let mut iter = rlp.iter();
+
+ let address: H160 = match iter.next() {
+ Some(data) => data.as_val()?,
+ None => return Err(rlp::DecoderError::Custom("Expected log address")),
+ };
+
+ let topics: Vec<H256> = match iter.next() {
+ Some(data) => data.as_list()?,
+ None => return Err(rlp::DecoderError::Custom("Expected log topics")),
+ };
+
+ let data: Vec<u8> = match iter.next() {
+ Some(data) => data.data()?.to_vec(),
+ None => return Err(rlp::DecoderError::Custom("Expected log data")),
+ };
+
+ Ok(Self { address, topics, data })
+ }
+}
+
+#[cfg(test)]
+mod tests {
+
+ use super::Log;
+ use hex_literal::hex;
+
+ const RAW_LOG: [u8; 605] = hex!(
+ "
+ f9025a941cfd66659d44cfe2e627c5742ba7477a3284cffae1a0266413be5700ce8dd5ac6b9a7dfb
+ abe99b3e45cae9a68ac2757858710b401a38b9022000000000000000000000000000000000000000
+ 00000000000000000000000060000000000000000000000000000000000000000000000000000000
+ 00000000c00000000000000000000000000000000000000000000000000000000000000100000000
+ 00000000000000000000000000000000000000000000000000000000283163466436363635394434
+ 34636665324536323763353734324261373437376133323834634666410000000000000000000000
+ 00000000000000000000000000000000000000000000000000000000000000000000000000000000
+ 000000000773656e6445544800000000000000000000000000000000000000000000000000000000
+ 00000000000000000000000000000000000000000000000000000001000000000000000000000000
+ 00cffeaaf7681c89285d65cfbe808b80e50269657300000000000000000000000000000000000000
+ 000000000000000000000000a0000000000000000000000000000000000000000000000000000000
+ 0000000000000000000000000000000000000000000000000000000000000000000000000a000000
+ 00000000000000000000000000000000000000000000000000000000020000000000000000000000
+ 00000000000000000000000000000000000000002f3146524d4d3850456957585961783772705336
+ 5834585a5831614141785357783143724b5479725659685632346667000000000000000000000000
+ 0000000000
+ "
+ );
+
+ #[test]
+ fn decode_log() {
+ let log: Log = rlp::decode(&RAW_LOG).unwrap();
+ assert_eq!(log.address.as_bytes(), hex!["1cfd66659d44cfe2e627c5742ba7477a3284cffa"]);
+ assert_eq!(
+ log.topics[0].as_bytes(),
+ hex!["266413be5700ce8dd5ac6b9a7dfbabe99b3e45cae9a68ac2757858710b401a38"]
+ );
+ }
+}
diff --git a/bridges/snowbridge/primitives/ethereum/src/mpt.rs b/bridges/snowbridge/primitives/ethereum/src/mpt.rs
new file mode 100644
index 0000000000000..9a2dae486dcc0
--- /dev/null
+++ b/bridges/snowbridge/primitives/ethereum/src/mpt.rs
@@ -0,0 +1,142 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Helper types to work with Ethereum's Merkle Patricia Trie nodes
+
+use ethereum_types::H256;
+use sp_std::{convert::TryFrom, prelude::*};
+
+pub trait Node {
+ fn contains_hash(&self, hash: H256) -> bool;
+}
+
+impl TryFrom<&[u8]> for Box<dyn Node> {
+ type Error = rlp::DecoderError;
+
+ fn try_from(bytes: &[u8]) -> Result<Box<dyn Node>, Self::Error> {
+ let rlp = rlp::Rlp::new(bytes);
+ match rlp.item_count()? {
+ 2 => {
+ let node: ShortNode = rlp.as_val()?;
+ Ok(Box::new(node))
+ },
+ 17 => {
+ let node: FullNode = rlp.as_val()?;
+ Ok(Box::new(node))
+ },
+ _ => Err(rlp::DecoderError::Custom("Invalid number of list elements")),
+ }
+ }
+}
+
+/// Intermediate trie node with children (refers to node with same name in Geth).
+/// This struct only handles the proof representation, i.e. a child is either empty
+/// or a 32-byte hash of its subtree.
+pub struct FullNode {
+ pub children: Vec<Option<H256>>,
+}
+
+impl rlp::Decodable for FullNode {
+ fn decode(rlp: &rlp::Rlp) -> Result<Self, rlp::DecoderError> {
+ let children: Vec<Option<H256>> = rlp
+ .iter()
+ .map(|item| {
+ let v: Vec<u8> = item.as_val()?;
+ match v.len() {
+ 0 => Ok(None),
+ 32 => {
+ let mut bytes = [0u8; 32];
+ bytes.copy_from_slice(&v);
+ Ok(Some(bytes.into()))
+ },
+ _ => Err(rlp::DecoderError::Custom("Expected 32-byte hash or empty child")),
+ }
+ })
+ .collect::<Result<_, rlp::DecoderError>>()?;
+
+ Ok(Self { children })
+ }
+}
+
+impl Node for FullNode {
+ fn contains_hash(&self, hash: H256) -> bool {
+ self.children.iter().any(|h| Some(hash) == *h)
+ }
+}
+
+/// Trie node where `value` is either the RLP-encoded item we're
+/// proving or an intermediate hash (refers to node with same name in Geth)
+/// Proof verification should return `value`. `key` is an implementation
+/// detail of the trie.
+pub struct ShortNode {
+ pub key: Vec<u8>,
+ pub value: Vec<u8>,
+}
+
+impl rlp::Decodable for ShortNode {
+ fn decode(rlp: &rlp::Rlp) -> Result<Self, rlp::DecoderError> {
+ let mut iter = rlp.iter();
+
+ let key: Vec<u8> = match iter.next() {
+ Some(data) => data.as_val()?,
+ None => return Err(rlp::DecoderError::Custom("Expected key bytes")),
+ };
+
+ let value: Vec<u8> = match iter.next() {
+ Some(data) => data.as_val()?,
+ None => return Err(rlp::DecoderError::Custom("Expected value bytes")),
+ };
+
+ Ok(Self { key, value })
+ }
+}
+
+impl Node for ShortNode {
+ fn contains_hash(&self, hash: H256) -> bool {
+ self.value == hash.0
+ }
+}
+
+#[cfg(test)]
+mod tests {
+
+ use super::*;
+ use hex_literal::hex;
+
+ const RAW_PROOF: [&[u8]; 3] = [
+ &hex!("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"),
+ &hex!("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"),
+ &hex!("f904de20b904daf904d701830652f0b9010004200000000000000000000080020000000000010000000000010000000000000000000000000000000000000000000002000000080000000000000000200000000000000000000000000008000000220000000000400010000000000000000000000000000000000000000000000000000000000000040000000010000100000000000800000000004000000000000000000000000000080000004000000000020000000000020000000000000000000000000000000000000000000004000000000002000000000100000000000000000000000000001000000002000020000010200000000000010000000000000000000000000000000000000010000000f903ccf89b9421130f34829b4c343142047a28ce96ec07814b15f863a0ddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3efa00000000000000000000000007d843005c7433c16b27ff939cb37471541561ebda0000000000000000000000000e9c1281aae66801fa35ec404d5f2aea393ff6988a000000000000000000000000000000000000000000000000000000005d09b7380f89b9421130f34829b4c343142047a28ce96ec07814b15f863a08c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925a00000000000000000000000007d843005c7433c16b27ff939cb37471541561ebda00000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488da0ffffffffffffffffffffffffffffffffffffffffffffffffffffffcc840c6920f89b94c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2f863a0ddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3efa0000000000000000000000000e9c1281aae66801fa35ec404d5f2aea393ff6988a00000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488da000000000000000000000000000000000000000000000000003e973b5a5d1078ef87994e9c1281aae66801fa35ec404d5f2aea393ff6988e1a01c411e9a96e071241c2f21f7726b17ae89e3cab4c78be50e062b03a9fffbbad1b840000000000000000000000000000000000000000000000000000001f1420ad1d40000000000000000000000000000000000000000000000014ad400879d159a38f8fc94e9c1281aae66801fa35ec404d5f2aea393ff6988f863a0d78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d822a00000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488da00000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488db88000000000000000000000000000000000000000000000000000000005d415f3320000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003e973b5a5d1078ef87a94c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2f842a07fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65a00000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488da000000000000000000000000000000000000000000000000003e973b5a5d1078e"),
+ ];
+
+ #[test]
+ fn decode_full_node() {
+ let node1: FullNode = rlp::decode(RAW_PROOF[0]).unwrap();
+ let node2: FullNode = rlp::decode(RAW_PROOF[1]).unwrap();
+ assert_eq!(node1.children.len(), 17);
+ assert_eq!(node2.children.len(), 17);
+ assert_eq!(node1.children.iter().filter(|c| c.is_none()).count(), 8);
+ assert_eq!(node2.children.iter().filter(|c| c.is_none()).count(), 2);
+
+ let result: Result<FullNode, rlp::DecoderError> = rlp::decode(RAW_PROOF[2]);
+ assert!(result.is_err());
+ }
+
+ #[test]
+ fn decode_short_node() {
+ // key + item value
+ let node: ShortNode = rlp::decode(RAW_PROOF[2]).unwrap();
+ assert_eq!(node.key, vec![32]);
+ assert!(!node.value.is_empty());
+
+ // key + item hash
+ let node: ShortNode = rlp::decode(&hex!(
+ "e4820001a04fff54398cad4d05ea6abfd8b0f3b4fe14c04d7ff5f5211c5b927d9cf72ac1d8"
+ ))
+ .unwrap();
+ assert_eq!(node.key, vec![0, 1]);
+ assert_eq!(
+ node.value,
+ hex!("4fff54398cad4d05ea6abfd8b0f3b4fe14c04d7ff5f5211c5b927d9cf72ac1d8").to_vec()
+ );
+ }
+}
diff --git a/bridges/snowbridge/primitives/ethereum/src/receipt.rs b/bridges/snowbridge/primitives/ethereum/src/receipt.rs
new file mode 100644
index 0000000000000..665a93dbb1e21
--- /dev/null
+++ b/bridges/snowbridge/primitives/ethereum/src/receipt.rs
@@ -0,0 +1,139 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use crate::{Bloom, Log};
+use codec::{Decode, Encode};
+use sp_runtime::RuntimeDebug;
+use sp_std::prelude::*;
+
+#[derive(Clone, Default, Encode, Decode, PartialEq, RuntimeDebug)]
+pub struct Receipt {
+ pub post_state_or_status: Vec<u8>,
+ pub cumulative_gas_used: u64,
+ pub bloom: Bloom,
+ pub logs: Vec<Log>,
+}
+
+impl Receipt {
+ pub fn contains_log(&self, log: &Log) -> bool {
+ self.logs.iter().any(|l| l == log)
+ }
+
+ fn decode_list(rlp: &rlp::Rlp) -> Result<Self, rlp::DecoderError> {
+ let mut iter = rlp.iter();
+
+ let post_state_or_status: Vec<u8> = match iter.next() {
+ Some(data) => data.as_val()?,
+ None => return Err(rlp::DecoderError::Custom("Expected receipt post state or status")),
+ };
+
+ let cumulative_gas_used: u64 = match iter.next() {
+ Some(data) => data.as_val()?,
+ None => return Err(rlp::DecoderError::Custom("Expected receipt cumulative gas used")),
+ };
+
+ let bloom: Bloom = match iter.next() {
+ Some(data) => data.as_val()?,
+ None => return Err(rlp::DecoderError::Custom("Expected receipt bloom")),
+ };
+
+ let logs: Vec<Log> = match iter.next() {
+ Some(data) => data.as_list()?,
+ None => return Err(rlp::DecoderError::Custom("Expected receipt logs")),
+ };
+
+ Ok(Self { post_state_or_status, cumulative_gas_used, bloom, logs })
+ }
+}
+
+impl rlp::Decodable for Receipt {
+ fn decode(rlp: &rlp::Rlp) -> Result<Self, rlp::DecoderError> {
+ if rlp.is_data() {
+ // Typed receipt
+ let data = rlp.as_raw();
+ match data[0] {
+ // 1 = EIP-2930, 2 = EIP-1559
+ 1 | 2 => {
+ let receipt_rlp = &rlp::Rlp::new(&data[1..]);
+ if !receipt_rlp.is_list() {
+ return Err(rlp::DecoderError::RlpExpectedToBeList)
+ }
+ Self::decode_list(&rlp::Rlp::new(&data[1..]))
+ },
+ _ => Err(rlp::DecoderError::Custom("Unsupported receipt type")),
+ }
+ } else if rlp.is_list() {
+ // Legacy receipt
+ Self::decode_list(rlp)
+ } else {
+ Err(rlp::DecoderError::RlpExpectedToBeList)
+ }
+ }
+}
+
+#[cfg(test)]
+mod tests {
+
+ use super::Receipt;
+ use hex_literal::hex;
+
+ const RAW_RECEIPT: [u8; 1242] = hex!(
+ "
+ f904d701830652f0b901000420000000000000000000008002000000000001000000000001000000
+ 00000000000000000000000000000000000000020000000800000000000000002000000000000000
+ 00000000000008000000220000000000400010000000000000000000000000000000000000000000
+ 00000000000000000004000000001000010000000000080000000000400000000000000000000000
+ 00000800000040000000000200000000000200000000000000000000000000000000000000000000
+ 04000000000002000000000100000000000000000000000000001000000002000020000010200000
+ 000000010000000000000000000000000000000000000010000000f903ccf89b9421130f34829b4c
+ 343142047a28ce96ec07814b15f863a0ddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a116
+ 28f55a4df523b3efa00000000000000000000000007d843005c7433c16b27ff939cb37471541561e
+ bda0000000000000000000000000e9c1281aae66801fa35ec404d5f2aea393ff6988a00000000000
+ 0000000000000000000000000000000000000000000005d09b7380f89b9421130f34829b4c343142
+ 047a28ce96ec07814b15f863a08c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200a
+ c8c7c3b925a00000000000000000000000007d843005c7433c16b27ff939cb37471541561ebda000
+ 00000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488da0ffffffffffffffff
+ ffffffffffffffffffffffffffffffffffffffcc840c6920f89b94c02aaa39b223fe8d0a0e5c4f27
+ ead9083c756cc2f863a0ddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523
+ b3efa0000000000000000000000000e9c1281aae66801fa35ec404d5f2aea393ff6988a000000000
+ 00000000000000007a250d5630b4cf539739df2c5dacb4c659f2488da00000000000000000000000
+ 0000000000000000000000000003e973b5a5d1078ef87994e9c1281aae66801fa35ec404d5f2aea3
+ 93ff6988e1a01c411e9a96e071241c2f21f7726b17ae89e3cab4c78be50e062b03a9fffbbad1b840
+ 000000000000000000000000000000000000000000000000000001f1420ad1d40000000000000000
+ 000000000000000000000000000000014ad400879d159a38f8fc94e9c1281aae66801fa35ec404d5
+ f2aea393ff6988f863a0d78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159
+ d822a00000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488da000000000
+ 00000000000000007a250d5630b4cf539739df2c5dacb4c659f2488db88000000000000000000000
+ 000000000000000000000000000000000005d415f332000000000000000000000000000000000000
+ 00000000000000000000000000000000000000000000000000000000000000000000000000000000
+ 00000000000000000000000000000000000000000000000000000000000003e973b5a5d1078ef87a
+ 94c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2f842a07fcf532c15f0a6db0bd6d0e038bea71d
+ 30d808c7d98cb3bf7268a95bf5081b65a00000000000000000000000007a250d5630b4cf539739df
+ 2c5dacb4c659f2488da000000000000000000000000000000000000000000000000003e973b5a5d1
+ 078e
+ "
+ );
+
+ #[test]
+ fn decode_legacy_receipt() {
+ let receipt: Receipt = rlp::decode(&RAW_RECEIPT).unwrap();
+ assert_eq!(receipt.post_state_or_status, vec!(1));
+ assert_eq!(receipt.cumulative_gas_used, 414448);
+ assert_eq!(
+ receipt.bloom,
+ (&hex!(
+ "
+ 042000000000000000000000800200000000000100000000000100000000000000000000
+ 000000000000000000000000020000000800000000000000002000000000000000000000
+ 000000080000002200000000004000100000000000000000000000000000000000000000
+ 000000000000000000000400000000100001000000000008000000000040000000000000
+ 000000000000000800000040000000000200000000000200000000000000000000000000
+ 000000000000000000040000000000020000000001000000000000000000000000000010
+ 000000020000200000102000000000000100000000000000000000000000000000000000
+ 10000000
+ "
+ ))
+ .into(),
+ );
+ assert_eq!(receipt.logs.len(), 6);
+ }
+}
diff --git a/bridges/snowbridge/primitives/router/Cargo.toml b/bridges/snowbridge/primitives/router/Cargo.toml
new file mode 100644
index 0000000000000..6c0d6aefed99c
--- /dev/null
+++ b/bridges/snowbridge/primitives/router/Cargo.toml
@@ -0,0 +1,66 @@
+[package]
+name = "snowbridge-router-primitives"
+description = "Snowbridge Router Primitives"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[dependencies]
+serde = { version = "1.0.195", optional = true, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false }
+scale-info = { version = "2.9.0", default-features = false, features = ["derive"] }
+log = { version = "0.4.20", default-features = false }
+
+frame-support = { path = "../../../../substrate/frame/support", default-features = false }
+frame-system = { path = "../../../../substrate/frame/system", default-features = false }
+sp-core = { path = "../../../../substrate/primitives/core", default-features = false }
+sp-io = { path = "../../../../substrate/primitives/io", default-features = false }
+sp-runtime = { path = "../../../../substrate/primitives/runtime", default-features = false }
+sp-std = { path = "../../../../substrate/primitives/std", default-features = false }
+
+xcm = { package = "staging-xcm", path = "../../../../polkadot/xcm", default-features = false }
+xcm-builder = { package = "staging-xcm-builder", path = "../../../../polkadot/xcm/xcm-builder", default-features = false }
+xcm-executor = { package = "staging-xcm-executor", path = "../../../../polkadot/xcm/xcm-executor", default-features = false }
+
+snowbridge-core = { path = "../core", default-features = false }
+
+ethabi = { package = "ethabi-decode", version = "1.0.0", default-features = false }
+
+hex-literal = { version = "0.4.1" }
+
+[dev-dependencies]
+hex = { package = "rustc-hex", version = "2.1.0" }
+
+[features]
+default = ["std"]
+std = [
+ "codec/std",
+ "ethabi/std",
+ "frame-support/std",
+ "frame-system/std",
+ "log/std",
+ "scale-info/std",
+ "serde",
+ "snowbridge-core/std",
+ "sp-core/std",
+ "sp-io/std",
+ "sp-runtime/std",
+ "sp-std/std",
+ "xcm-builder/std",
+ "xcm-executor/std",
+ "xcm/std",
+]
+runtime-benchmarks = [
+ "frame-support/runtime-benchmarks",
+ "frame-system/runtime-benchmarks",
+ "snowbridge-core/runtime-benchmarks",
+ "sp-runtime/runtime-benchmarks",
+ "xcm-builder/runtime-benchmarks",
+ "xcm-executor/runtime-benchmarks",
+]
diff --git a/bridges/snowbridge/primitives/router/README.md b/bridges/snowbridge/primitives/router/README.md
new file mode 100644
index 0000000000000..45967cbf76ca5
--- /dev/null
+++ b/bridges/snowbridge/primitives/router/README.md
@@ -0,0 +1,4 @@
+# Router Primitives
+
+Inbound and outbound router logic. Does XCM conversion to a lowered, simpler format the Ethereum contracts can
+understand.
diff --git a/bridges/snowbridge/primitives/router/src/inbound/mod.rs b/bridges/snowbridge/primitives/router/src/inbound/mod.rs
new file mode 100644
index 0000000000000..c20554c6d1844
--- /dev/null
+++ b/bridges/snowbridge/primitives/router/src/inbound/mod.rs
@@ -0,0 +1,312 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Converts messages from Ethereum to XCM messages
+
+#[cfg(test)]
+mod tests;
+
+use codec::{Decode, Encode};
+use core::marker::PhantomData;
+use frame_support::{traits::tokens::Balance as BalanceT, weights::Weight, PalletError};
+use scale_info::TypeInfo;
+use sp_core::{Get, RuntimeDebug, H160};
+use sp_io::hashing::blake2_256;
+use sp_runtime::MultiAddress;
+use sp_std::prelude::*;
+use xcm::prelude::{Junction::AccountKey20, *};
+use xcm_executor::traits::ConvertLocation;
+
+const MINIMUM_DEPOSIT: u128 = 1;
+
+/// Messages from Ethereum are versioned. This is because in future,
+/// we may want to evolve the protocol so that the ethereum side sends XCM messages directly.
+/// Instead having BridgeHub transcode the messages into XCM.
+#[derive(Clone, Encode, Decode, RuntimeDebug)]
+pub enum VersionedMessage {
+ V1(MessageV1),
+}
+
+/// For V1, the ethereum side sends messages which are transcoded into XCM. These messages are
+/// self-contained, in that they can be transcoded using only information in the message.
+#[derive(Clone, Encode, Decode, RuntimeDebug)]
+pub struct MessageV1 {
+ /// EIP-155 chain id of the origin Ethereum network
+ pub chain_id: u64,
+ /// The command originating from the Gateway contract
+ pub command: Command,
+}
+
+#[derive(Clone, Encode, Decode, RuntimeDebug)]
+pub enum Command {
+ /// Register a wrapped token on the AssetHub `ForeignAssets` pallet
+ RegisterToken {
+ /// The address of the ERC20 token to be bridged over to AssetHub
+ token: H160,
+ /// XCM execution fee on AssetHub
+ fee: u128,
+ },
+ /// Send a token to AssetHub or another parachain
+ SendToken {
+ /// The address of the ERC20 token to be bridged over to AssetHub
+ token: H160,
+ /// The destination for the transfer
+ destination: Destination,
+ /// Amount to transfer
+ amount: u128,
+ /// XCM execution fee on AssetHub
+ fee: u128,
+ },
+}
+
+/// Destination for bridged tokens
+#[derive(Clone, Encode, Decode, RuntimeDebug)]
+pub enum Destination {
+ /// The funds will be deposited into account `id` on AssetHub
+ AccountId32 { id: [u8; 32] },
+ /// The funds will deposited into the sovereign account of destination parachain `para_id` on
+ /// AssetHub, Account `id` on the destination parachain will receive the funds via a
+ /// reserve-backed transfer. See <https://github.com/paritytech/xcm-format#depositreserveasset>
+ ForeignAccountId32 {
+ para_id: u32,
+ id: [u8; 32],
+ /// XCM execution fee on final destination
+ fee: u128,
+ },
+ /// The funds will deposited into the sovereign account of destination parachain `para_id` on
+ /// AssetHub, Account `id` on the destination parachain will receive the funds via a
+ /// reserve-backed transfer. See <https://github.com/paritytech/xcm-format#depositreserveasset>
+ ForeignAccountId20 {
+ para_id: u32,
+ id: [u8; 20],
+ /// XCM execution fee on final destination
+ fee: u128,
+ },
+}
+
+pub struct MessageToXcm<
+ CreateAssetCall,
+ CreateAssetDeposit,
+ InboundQueuePalletInstance,
+ AccountId,
+ Balance,
+> where
+ CreateAssetCall: Get<CallIndex>,
+ CreateAssetDeposit: Get<u128>,
+ Balance: BalanceT,
+{
+ _phantom: PhantomData<(
+ CreateAssetCall,
+ CreateAssetDeposit,
+ InboundQueuePalletInstance,
+ AccountId,
+ Balance,
+ )>,
+}
+
+/// Reason why a message conversion failed.
+#[derive(Copy, Clone, TypeInfo, PalletError, Encode, Decode, RuntimeDebug)]
+pub enum ConvertMessageError {
+ /// The message version is not supported for conversion.
+ UnsupportedVersion,
+}
+
+/// convert the inbound message to xcm which will be forwarded to the destination chain
+pub trait ConvertMessage {
+ type Balance: BalanceT + From<u128>;
+ type AccountId;
+ /// Converts a versioned message into an XCM message and an optional topicID
+ fn convert(message: VersionedMessage) -> Result<(Xcm<()>, Self::Balance), ConvertMessageError>;
+}
+
+pub type CallIndex = [u8; 2];
+
+impl<CreateAssetCall, CreateAssetDeposit, InboundQueuePalletInstance, AccountId, Balance>
+ ConvertMessage
+ for MessageToXcm<
+ CreateAssetCall,
+ CreateAssetDeposit,
+ InboundQueuePalletInstance,
+ AccountId,
+ Balance,
+ > where
+ CreateAssetCall: Get<CallIndex>,
+ CreateAssetDeposit: Get<u128>,
+ InboundQueuePalletInstance: Get<u8>,
+ Balance: BalanceT + From<u128>,
+ AccountId: Into<[u8; 32]>,
+{
+ type Balance = Balance;
+ type AccountId = AccountId;
+
+ fn convert(message: VersionedMessage) -> Result<(Xcm<()>, Self::Balance), ConvertMessageError> {
+ use Command::*;
+ use VersionedMessage::*;
+ match message {
+ V1(MessageV1 { chain_id, command: RegisterToken { token, fee } }) =>
+ Ok(Self::convert_register_token(chain_id, token, fee)),
+ V1(MessageV1 { chain_id, command: SendToken { token, destination, amount, fee } }) =>
+ Ok(Self::convert_send_token(chain_id, token, destination, amount, fee)),
+ }
+ }
+}
+
+impl<CreateAssetCall, CreateAssetDeposit, InboundQueuePalletInstance, AccountId, Balance>
+ MessageToXcm<CreateAssetCall, CreateAssetDeposit, InboundQueuePalletInstance, AccountId, Balance>
+where
+ CreateAssetCall: Get<CallIndex>,
+ CreateAssetDeposit: Get<u128>,
+ InboundQueuePalletInstance: Get<u8>,
+ Balance: BalanceT + From<u128>,
+ AccountId: Into<[u8; 32]>,
+{
+ fn convert_register_token(chain_id: u64, token: H160, fee: u128) -> (Xcm<()>, Balance) {
+ let network = Ethereum { chain_id };
+ let xcm_fee: Asset = (Location::parent(), fee).into();
+ let deposit: Asset = (Location::parent(), CreateAssetDeposit::get()).into();
+
+ let total_amount = fee + CreateAssetDeposit::get();
+ let total: Asset = (Location::parent(), total_amount).into();
+
+ let bridge_location: Location = (Parent, Parent, GlobalConsensus(network)).into();
+
+ let owner = GlobalConsensusEthereumConvertsFor::<[u8; 32]>::from_chain_id(&chain_id);
+ let asset_id = Self::convert_token_address(network, token);
+ let create_call_index: [u8; 2] = CreateAssetCall::get();
+ let inbound_queue_pallet_index = InboundQueuePalletInstance::get();
+
+ let xcm: Xcm<()> = vec![
+ // Teleport required fees.
+ ReceiveTeleportedAsset(total.into()),
+ // Pay for execution.
+ BuyExecution { fees: xcm_fee, weight_limit: Unlimited },
+ // Fund the snowbridge sovereign with the required deposit for creation.
+ DepositAsset { assets: Definite(deposit.into()), beneficiary: bridge_location },
+ // Only our inbound-queue pallet is allowed to invoke `UniversalOrigin`
+ DescendOrigin(PalletInstance(inbound_queue_pallet_index).into()),
+ // Change origin to the bridge.
+ UniversalOrigin(GlobalConsensus(network)),
+ // Call create_asset on foreign assets pallet.
+ Transact {
+ origin_kind: OriginKind::Xcm,
+ require_weight_at_most: Weight::from_parts(400_000_000, 8_000),
+ call: (
+ create_call_index,
+ asset_id,
+ MultiAddress::<[u8; 32], ()>::Id(owner),
+ MINIMUM_DEPOSIT,
+ )
+ .encode()
+ .into(),
+ },
+ RefundSurplus,
+ // Clear the origin so that remaining assets in holding
+ // are claimable by the physical origin (BridgeHub)
+ ClearOrigin,
+ ]
+ .into();
+
+ (xcm, total_amount.into())
+ }
+
+ fn convert_send_token(
+ chain_id: u64,
+ token: H160,
+ destination: Destination,
+ amount: u128,
+ asset_hub_fee: u128,
+ ) -> (Xcm<()>, Balance) {
+ let network = Ethereum { chain_id };
+ let asset_hub_fee_asset: Asset = (Location::parent(), asset_hub_fee).into();
+ let asset: Asset = (Self::convert_token_address(network, token), amount).into();
+
+ let (dest_para_id, beneficiary, dest_para_fee) = match destination {
+ // Final destination is a 32-byte account on AssetHub
+ Destination::AccountId32 { id } =>
+ (None, Location::new(0, [AccountId32 { network: None, id }]), 0),
+ // Final destination is a 32-byte account on a sibling of AssetHub
+ Destination::ForeignAccountId32 { para_id, id, fee } => (
+ Some(para_id),
+ Location::new(0, [AccountId32 { network: None, id }]),
+ // Total fee needs to cover execution on AssetHub and Sibling
+ fee,
+ ),
+ // Final destination is a 20-byte account on a sibling of AssetHub
+ Destination::ForeignAccountId20 { para_id, id, fee } => (
+ Some(para_id),
+ Location::new(0, [AccountKey20 { network: None, key: id }]),
+ // Total fee needs to cover execution on AssetHub and Sibling
+ fee,
+ ),
+ };
+
+ let total_fees = asset_hub_fee.saturating_add(dest_para_fee);
+ let total_fee_asset: Asset = (Location::parent(), total_fees).into();
+ let inbound_queue_pallet_index = InboundQueuePalletInstance::get();
+
+ let mut instructions = vec![
+ ReceiveTeleportedAsset(total_fee_asset.into()),
+ BuyExecution { fees: asset_hub_fee_asset, weight_limit: Unlimited },
+ DescendOrigin(PalletInstance(inbound_queue_pallet_index).into()),
+ UniversalOrigin(GlobalConsensus(network)),
+ ReserveAssetDeposited(asset.clone().into()),
+ ClearOrigin,
+ ];
+
+ match dest_para_id {
+ Some(dest_para_id) => {
+ let dest_para_fee_asset: Asset = (Location::parent(), dest_para_fee).into();
+
+ instructions.extend(vec![
+ // Perform a deposit reserve to send to destination chain.
+ DepositReserveAsset {
+ assets: Definite(vec![dest_para_fee_asset.clone(), asset.clone()].into()),
+ dest: Location::new(1, [Parachain(dest_para_id)]),
+ xcm: vec![
+ // Buy execution on target.
+ BuyExecution { fees: dest_para_fee_asset, weight_limit: Unlimited },
+ // Deposit asset to beneficiary.
+ DepositAsset { assets: Definite(asset.into()), beneficiary },
+ ]
+ .into(),
+ },
+ ]);
+ },
+ None => {
+ instructions.extend(vec![
+ // Deposit asset to beneficiary.
+ DepositAsset { assets: Definite(asset.into()), beneficiary },
+ ]);
+ },
+ }
+
+ (instructions.into(), total_fees.into())
+ }
+
+ // Convert ERC20 token address to a location that can be understood by Assets Hub.
+ fn convert_token_address(network: NetworkId, token: H160) -> Location {
+ Location::new(
+ 2,
+ [GlobalConsensus(network), AccountKey20 { network: None, key: token.into() }],
+ )
+ }
+}
+
+pub struct GlobalConsensusEthereumConvertsFor<AccountId>(PhantomData<AccountId>);
+impl<AccountId> ConvertLocation<AccountId> for GlobalConsensusEthereumConvertsFor<AccountId>
+where
+ AccountId: From<[u8; 32]> + Clone,
+{
+ fn convert_location(location: &Location) -> Option<AccountId> {
+ match location.unpack() {
+ (_, [GlobalConsensus(Ethereum { chain_id })]) =>
+ Some(Self::from_chain_id(chain_id).into()),
+ _ => None,
+ }
+ }
+}
+
+impl<AccountId> GlobalConsensusEthereumConvertsFor<AccountId> {
+ pub fn from_chain_id(chain_id: &u64) -> [u8; 32] {
+ (b"ethereum-chain", chain_id).using_encoded(blake2_256)
+ }
+}
diff --git a/bridges/snowbridge/primitives/router/src/inbound/tests.rs b/bridges/snowbridge/primitives/router/src/inbound/tests.rs
new file mode 100644
index 0000000000000..75670b05c1004
--- /dev/null
+++ b/bridges/snowbridge/primitives/router/src/inbound/tests.rs
@@ -0,0 +1,40 @@
+use super::GlobalConsensusEthereumConvertsFor;
+use crate::inbound::CallIndex;
+use frame_support::parameter_types;
+use hex_literal::hex;
+use xcm::prelude::*;
+use xcm_executor::traits::ConvertLocation;
+
+const NETWORK: NetworkId = Ethereum { chain_id: 11155111 };
+
+parameter_types! {
+ pub EthereumNetwork: NetworkId = NETWORK;
+
+ pub const CreateAssetCall: CallIndex = [1, 1];
+ pub const CreateAssetExecutionFee: u128 = 123;
+ pub const CreateAssetDeposit: u128 = 891;
+ pub const SendTokenExecutionFee: u128 = 592;
+}
+
+#[test]
+fn test_contract_location_with_network_converts_successfully() {
+ let expected_account: [u8; 32] =
+ hex!("ce796ae65569a670d0c1cc1ac12515a3ce21b5fbf729d63d7b289baad070139d");
+ let contract_location = Location::new(2, [GlobalConsensus(NETWORK)]);
+
+ let account =
+ GlobalConsensusEthereumConvertsFor::<[u8; 32]>::convert_location(&contract_location)
+ .unwrap();
+
+ assert_eq!(account, expected_account);
+}
+
+#[test]
+fn test_contract_location_with_incorrect_location_fails_convert() {
+ let contract_location = Location::new(2, [GlobalConsensus(Polkadot), Parachain(1000)]);
+
+ assert_eq!(
+ GlobalConsensusEthereumConvertsFor::<[u8; 32]>::convert_location(&contract_location),
+ None,
+ );
+}
diff --git a/bridges/snowbridge/primitives/router/src/lib.rs b/bridges/snowbridge/primitives/router/src/lib.rs
new file mode 100644
index 0000000000000..d9031c69b22b8
--- /dev/null
+++ b/bridges/snowbridge/primitives/router/src/lib.rs
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+#![cfg_attr(not(feature = "std"), no_std)]
+
+pub mod inbound;
+pub mod outbound;
diff --git a/bridges/snowbridge/primitives/router/src/outbound/mod.rs b/bridges/snowbridge/primitives/router/src/outbound/mod.rs
new file mode 100644
index 0000000000000..ddc36ce8cb61b
--- /dev/null
+++ b/bridges/snowbridge/primitives/router/src/outbound/mod.rs
@@ -0,0 +1,283 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Converts XCM messages into simpler commands that can be processed by the Gateway contract
+
+#[cfg(test)]
+mod tests;
+
+use core::slice::Iter;
+
+use codec::{Decode, Encode};
+
+use frame_support::{ensure, traits::Get};
+use snowbridge_core::{
+ outbound::{AgentExecuteCommand, Command, Message, SendMessage},
+ ChannelId, ParaId,
+};
+use sp_core::{H160, H256};
+use sp_std::{iter::Peekable, marker::PhantomData, prelude::*};
+use xcm::prelude::*;
+use xcm_executor::traits::{ConvertLocation, ExportXcm};
+
+pub struct EthereumBlobExporter<
+ UniversalLocation,
+ EthereumNetwork,
+ OutboundQueue,
+ AgentHashedDescription,
+>(PhantomData<(UniversalLocation, EthereumNetwork, OutboundQueue, AgentHashedDescription)>);
+
+impl<UniversalLocation, EthereumNetwork, OutboundQueue, AgentHashedDescription> ExportXcm
+ for EthereumBlobExporter<UniversalLocation, EthereumNetwork, OutboundQueue, AgentHashedDescription>
+where
+ UniversalLocation: Get<InteriorLocation>,
+ EthereumNetwork: Get<NetworkId>,
+ OutboundQueue: SendMessage<Balance = u128>,
+ AgentHashedDescription: ConvertLocation<H256>,
+{
+ type Ticket = (Vec<u8>, XcmHash);
+
+ fn validate(
+ network: NetworkId,
+ _channel: u32,
+ universal_source: &mut Option<InteriorLocation>,
+ destination: &mut Option<InteriorLocation>,
+ message: &mut Option<Xcm<()>>,
+ ) -> SendResult<Self::Ticket> {
+ let expected_network = EthereumNetwork::get();
+ let universal_location = UniversalLocation::get();
+
+ if network != expected_network {
+ log::trace!(target: "xcm::ethereum_blob_exporter", "skipped due to unmatched bridge network {network:?}.");
+ return Err(SendError::NotApplicable)
+ }
+
+ let dest = destination.take().ok_or(SendError::MissingArgument)?;
+ if dest != Here {
+ log::trace!(target: "xcm::ethereum_blob_exporter", "skipped due to unmatched remote destination {dest:?}.");
+ return Err(SendError::NotApplicable)
+ }
+
+ let (local_net, local_sub) = universal_source
+ .take()
+ .ok_or_else(|| {
+ log::error!(target: "xcm::ethereum_blob_exporter", "universal source not provided.");
+ SendError::MissingArgument
+ })?
+ .split_global()
+ .map_err(|()| {
+ log::error!(target: "xcm::ethereum_blob_exporter", "could not get global consensus from universal source '{universal_source:?}'.");
+ SendError::Unroutable
+ })?;
+
+ if Ok(local_net) != universal_location.global_consensus() {
+ log::trace!(target: "xcm::ethereum_blob_exporter", "skipped due to unmatched relay network {local_net:?}.");
+ return Err(SendError::NotApplicable)
+ }
+
+ let para_id = match local_sub.as_slice() {
+ [Parachain(para_id)] => *para_id,
+ _ => {
+ log::error!(target: "xcm::ethereum_blob_exporter", "could not get parachain id from universal source '{local_sub:?}'.");
+ return Err(SendError::MissingArgument)
+ },
+ };
+
+ let message = message.take().ok_or_else(|| {
+ log::error!(target: "xcm::ethereum_blob_exporter", "xcm message not provided.");
+ SendError::MissingArgument
+ })?;
+
+ let mut converter = XcmConverter::new(&message, &expected_network);
+ let (agent_execute_command, message_id) = converter.convert().map_err(|err|{
+ log::error!(target: "xcm::ethereum_blob_exporter", "unroutable due to pattern matching error '{err:?}'.");
+ SendError::Unroutable
+ })?;
+
+ let source_location = Location::new(1, local_sub.clone());
+ let agent_id = match AgentHashedDescription::convert_location(&source_location) {
+ Some(id) => id,
+ None => {
+ log::error!(target: "xcm::ethereum_blob_exporter", "unroutable due to not being able to create agent id. '{source_location:?}'");
+ return Err(SendError::Unroutable)
+ },
+ };
+
+ let channel_id: ChannelId = ParaId::from(para_id).into();
+
+ let outbound_message = Message {
+ id: Some(message_id.into()),
+ channel_id,
+ command: Command::AgentExecute { agent_id, command: agent_execute_command },
+ };
+
+ // validate the message
+ let (ticket, fee) = OutboundQueue::validate(&outbound_message).map_err(|err| {
+ log::error!(target: "xcm::ethereum_blob_exporter", "OutboundQueue validation of message failed. {err:?}");
+ SendError::Unroutable
+ })?;
+
+ // convert fee to Asset
+ let fee = Asset::from((Location::parent(), fee.total())).into();
+
+ Ok(((ticket.encode(), message_id), fee))
+ }
+
+ fn deliver(blob: (Vec<u8>, XcmHash)) -> Result<XcmHash, SendError> {
+ let ticket: OutboundQueue::Ticket = OutboundQueue::Ticket::decode(&mut blob.0.as_ref())
+ .map_err(|_| {
+ log::trace!(target: "xcm::ethereum_blob_exporter", "undeliverable due to decoding error");
+ SendError::NotApplicable
+ })?;
+
+ let message_id = OutboundQueue::deliver(ticket).map_err(|_| {
+ log::error!(target: "xcm::ethereum_blob_exporter", "OutboundQueue submit of message failed");
+ SendError::Transport("other transport error")
+ })?;
+
+ log::info!(target: "xcm::ethereum_blob_exporter", "message delivered {message_id:#?}.");
+ Ok(message_id.into())
+ }
+}
+
+/// Errors that can be thrown to the pattern matching step.
+#[derive(PartialEq, Debug)]
+enum XcmConverterError {
+ UnexpectedEndOfXcm,
+ EndOfXcmMessageExpected,
+ WithdrawAssetExpected,
+ DepositAssetExpected,
+ NoReserveAssets,
+ FilterDoesNotConsumeAllAssets,
+ TooManyAssets,
+ ZeroAssetTransfer,
+ BeneficiaryResolutionFailed,
+ AssetResolutionFailed,
+ InvalidFeeAsset,
+ SetTopicExpected,
+}
+
+macro_rules! match_expression {
+ ($expression:expr, $(|)? $( $pattern:pat_param )|+ $( if $guard: expr )?, $value:expr $(,)?) => {
+ match $expression {
+ $( $pattern )|+ $( if $guard )? => Some($value),
+ _ => None,
+ }
+ };
+}
+
+struct XcmConverter<'a, Call> {
+ iter: Peekable<Iter<'a, Instruction<Call>>>,
+ ethereum_network: &'a NetworkId,
+}
+impl<'a, Call> XcmConverter<'a, Call> {
+ fn new(message: &'a Xcm<Call>, ethereum_network: &'a NetworkId) -> Self {
+ Self { iter: message.inner().iter().peekable(), ethereum_network }
+ }
+
+ fn convert(&mut self) -> Result<(AgentExecuteCommand, [u8; 32]), XcmConverterError> {
+ // Get withdraw/deposit and make native tokens create message.
+ let result = self.native_tokens_unlock_message()?;
+
+ // All xcm instructions must be consumed before exit.
+ if self.next().is_ok() {
+ return Err(XcmConverterError::EndOfXcmMessageExpected)
+ }
+
+ Ok(result)
+ }
+
+ fn native_tokens_unlock_message(
+ &mut self,
+ ) -> Result<(AgentExecuteCommand, [u8; 32]), XcmConverterError> {
+ use XcmConverterError::*;
+
+ // Get the reserve assets from WithdrawAsset.
+ let reserve_assets =
+ match_expression!(self.next()?, WithdrawAsset(reserve_assets), reserve_assets)
+ .ok_or(WithdrawAssetExpected)?;
+
+ // Check if clear origin exists and skip over it.
+ if match_expression!(self.peek(), Ok(ClearOrigin), ()).is_some() {
+ let _ = self.next();
+ }
+
+ // Get the fee asset item from BuyExecution or continue parsing.
+ let fee_asset = match_expression!(self.peek(), Ok(BuyExecution { fees, .. }), fees);
+ if fee_asset.is_some() {
+ let _ = self.next();
+ }
+
+ let (deposit_assets, beneficiary) = match_expression!(
+ self.next()?,
+ DepositAsset { assets, beneficiary },
+ (assets, beneficiary)
+ )
+ .ok_or(DepositAssetExpected)?;
+
+ // assert that the beneficiary is AccountKey20.
+ let recipient = match_expression!(
+ beneficiary.unpack(),
+ (0, [AccountKey20 { network, key }])
+ if self.network_matches(network),
+ H160(*key)
+ )
+ .ok_or(BeneficiaryResolutionFailed)?;
+
+ // Make sure there are reserved assets.
+ if reserve_assets.len() == 0 {
+ return Err(NoReserveAssets)
+ }
+
+ // Check the the deposit asset filter matches what was reserved.
+ if reserve_assets.inner().iter().any(|asset| !deposit_assets.matches(asset)) {
+ return Err(FilterDoesNotConsumeAllAssets)
+ }
+
+ // We only support a single asset at a time.
+ ensure!(reserve_assets.len() == 1, TooManyAssets);
+ let reserve_asset = reserve_assets.get(0).ok_or(AssetResolutionFailed)?;
+
+ // If there was a fee specified verify it.
+ if let Some(fee_asset) = fee_asset {
+ // The fee asset must be the same as the reserve asset.
+ if fee_asset.id != reserve_asset.id || fee_asset.fun > reserve_asset.fun {
+ return Err(InvalidFeeAsset)
+ }
+ }
+
+ let (token, amount) = match reserve_asset {
+ Asset { id: AssetId(inner_location), fun: Fungible(amount) } =>
+ match inner_location.unpack() {
+ (0, [AccountKey20 { network, key }]) if self.network_matches(network) =>
+ Some((H160(*key), *amount)),
+ _ => None,
+ },
+ _ => None,
+ }
+ .ok_or(AssetResolutionFailed)?;
+
+ // transfer amount must be greater than 0.
+ ensure!(amount > 0, ZeroAssetTransfer);
+
+ // Check if there is a SetTopic and skip over it if found.
+ let topic_id = match_expression!(self.next()?, SetTopic(id), id).ok_or(SetTopicExpected)?;
+
+ Ok((AgentExecuteCommand::TransferToken { token, recipient, amount }, *topic_id))
+ }
+
+ fn next(&mut self) -> Result<&'a Instruction<Call>, XcmConverterError> {
+ self.iter.next().ok_or(XcmConverterError::UnexpectedEndOfXcm)
+ }
+
+ fn peek(&mut self) -> Result<&&'a Instruction<Call>, XcmConverterError> {
+ self.iter.peek().ok_or(XcmConverterError::UnexpectedEndOfXcm)
+ }
+
+ fn network_matches(&self, network: &Option<NetworkId>) -> bool {
+ if let Some(network) = network {
+ network == self.ethereum_network
+ } else {
+ true
+ }
+ }
+}
diff --git a/bridges/snowbridge/primitives/router/src/outbound/tests.rs b/bridges/snowbridge/primitives/router/src/outbound/tests.rs
new file mode 100644
index 0000000000000..111243bb45a7e
--- /dev/null
+++ b/bridges/snowbridge/primitives/router/src/outbound/tests.rs
@@ -0,0 +1,1058 @@
+use frame_support::parameter_types;
+use hex_literal::hex;
+use snowbridge_core::{
+ outbound::{Fee, SendError, SendMessageFeeProvider},
+ AgentIdOf,
+};
+use xcm::v3::prelude::SendError as XcmSendError;
+
+use super::*;
+
+parameter_types! {
+ const MaxMessageSize: u32 = u32::MAX;
+ const RelayNetwork: NetworkId = Polkadot;
+ UniversalLocation: InteriorLocation = [GlobalConsensus(RelayNetwork::get()), Parachain(1013)].into();
+ const BridgedNetwork: NetworkId = Ethereum{ chain_id: 1 };
+ const NonBridgedNetwork: NetworkId = Ethereum{ chain_id: 2 };
+}
+
+struct MockOkOutboundQueue;
+impl SendMessage for MockOkOutboundQueue {
+ type Ticket = ();
+
+ fn validate(_: &Message) -> Result<(Self::Ticket, Fee<Self::Balance>), SendError> {
+ Ok(((), Fee { local: 1, remote: 1 }))
+ }
+
+ fn deliver(_: Self::Ticket) -> Result<H256, SendError> {
+ Ok(H256::zero())
+ }
+}
+
+impl SendMessageFeeProvider for MockOkOutboundQueue {
+ type Balance = u128;
+
+ fn local_fee() -> Self::Balance {
+ 1
+ }
+}
+struct MockErrOutboundQueue;
+impl SendMessage for MockErrOutboundQueue {
+ type Ticket = ();
+
+ fn validate(_: &Message) -> Result<(Self::Ticket, Fee<Self::Balance>), SendError> {
+ Err(SendError::MessageTooLarge)
+ }
+
+ fn deliver(_: Self::Ticket) -> Result<H256, SendError> {
+ Err(SendError::MessageTooLarge)
+ }
+}
+
+impl SendMessageFeeProvider for MockErrOutboundQueue {
+ type Balance = u128;
+
+ fn local_fee() -> Self::Balance {
+ 1
+ }
+}
+
+#[test]
+fn exporter_validate_with_unknown_network_yields_not_applicable() {
+ let network = Ethereum { chain_id: 1337 };
+ let channel: u32 = 0;
+ let mut universal_source: Option<InteriorLocation> = None;
+ let mut destination: Option<InteriorLocation> = None;
+ let mut message: Option<Xcm<()>> = None;
+
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockOkOutboundQueue,
+ AgentIdOf,
+ >::validate(
+ network, channel, &mut universal_source, &mut destination, &mut message
+ );
+ assert_eq!(result, Err(XcmSendError::NotApplicable));
+}
+
+#[test]
+fn exporter_validate_with_invalid_destination_yields_missing_argument() {
+ let network = BridgedNetwork::get();
+ let channel: u32 = 0;
+ let mut universal_source: Option<InteriorLocation> = None;
+ let mut destination: Option<InteriorLocation> = None;
+ let mut message: Option<Xcm<()>> = None;
+
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockOkOutboundQueue,
+ AgentIdOf,
+ >::validate(
+ network, channel, &mut universal_source, &mut destination, &mut message
+ );
+ assert_eq!(result, Err(XcmSendError::MissingArgument));
+}
+
+#[test]
+fn exporter_validate_with_x8_destination_yields_not_applicable() {
+ let network = BridgedNetwork::get();
+ let channel: u32 = 0;
+ let mut universal_source: Option<InteriorLocation> = None;
+ let mut destination: Option<InteriorLocation> = Some(
+ [OnlyChild, OnlyChild, OnlyChild, OnlyChild, OnlyChild, OnlyChild, OnlyChild, OnlyChild]
+ .into(),
+ );
+ let mut message: Option<Xcm<()>> = None;
+
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockOkOutboundQueue,
+ AgentIdOf,
+ >::validate(
+ network, channel, &mut universal_source, &mut destination, &mut message
+ );
+ assert_eq!(result, Err(XcmSendError::NotApplicable));
+}
+
+#[test]
+fn exporter_validate_without_universal_source_yields_missing_argument() {
+ let network = BridgedNetwork::get();
+ let channel: u32 = 0;
+ let mut universal_source: Option<InteriorLocation> = None;
+ let mut destination: Option<InteriorLocation> = Here.into();
+ let mut message: Option<Xcm<()>> = None;
+
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockOkOutboundQueue,
+ AgentIdOf,
+ >::validate(
+ network, channel, &mut universal_source, &mut destination, &mut message
+ );
+ assert_eq!(result, Err(XcmSendError::MissingArgument));
+}
+
+#[test]
+fn exporter_validate_without_global_universal_location_yields_unroutable() {
+ let network = BridgedNetwork::get();
+ let channel: u32 = 0;
+ let mut universal_source: Option<InteriorLocation> = Here.into();
+ let mut destination: Option<InteriorLocation> = Here.into();
+ let mut message: Option<Xcm<()>> = None;
+
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockOkOutboundQueue,
+ AgentIdOf,
+ >::validate(
+ network, channel, &mut universal_source, &mut destination, &mut message
+ );
+ assert_eq!(result, Err(XcmSendError::Unroutable));
+}
+
+#[test]
+fn exporter_validate_without_global_bridge_location_yields_not_applicable() {
+ let network = NonBridgedNetwork::get();
+ let channel: u32 = 0;
+ let mut universal_source: Option<InteriorLocation> = Here.into();
+ let mut destination: Option<InteriorLocation> = Here.into();
+ let mut message: Option<Xcm<()>> = None;
+
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockOkOutboundQueue,
+ AgentIdOf,
+ >::validate(
+ network, channel, &mut universal_source, &mut destination, &mut message
+ );
+ assert_eq!(result, Err(XcmSendError::NotApplicable));
+}
+
+#[test]
+fn exporter_validate_with_remote_universal_source_yields_not_applicable() {
+ let network = BridgedNetwork::get();
+ let channel: u32 = 0;
+ let mut universal_source: Option<InteriorLocation> =
+ Some([GlobalConsensus(Kusama), Parachain(1000)].into());
+ let mut destination: Option<InteriorLocation> = Here.into();
+ let mut message: Option<Xcm<()>> = None;
+
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockOkOutboundQueue,
+ AgentIdOf,
+ >::validate(
+ network, channel, &mut universal_source, &mut destination, &mut message
+ );
+ assert_eq!(result, Err(XcmSendError::NotApplicable));
+}
+
+#[test]
+fn exporter_validate_without_para_id_in_source_yields_missing_argument() {
+ let network = BridgedNetwork::get();
+ let channel: u32 = 0;
+ let mut universal_source: Option<InteriorLocation> = Some(GlobalConsensus(Polkadot).into());
+ let mut destination: Option<InteriorLocation> = Here.into();
+ let mut message: Option<Xcm<()>> = None;
+
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockOkOutboundQueue,
+ AgentIdOf,
+ >::validate(
+ network, channel, &mut universal_source, &mut destination, &mut message
+ );
+ assert_eq!(result, Err(XcmSendError::MissingArgument));
+}
+
+#[test]
+fn exporter_validate_complex_para_id_in_source_yields_missing_argument() {
+ let network = BridgedNetwork::get();
+ let channel: u32 = 0;
+ let mut universal_source: Option<InteriorLocation> =
+ Some([GlobalConsensus(Polkadot), Parachain(1000), PalletInstance(12)].into());
+ let mut destination: Option<InteriorLocation> = Here.into();
+ let mut message: Option<Xcm<()>> = None;
+
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockOkOutboundQueue,
+ AgentIdOf,
+ >::validate(
+ network, channel, &mut universal_source, &mut destination, &mut message
+ );
+ assert_eq!(result, Err(XcmSendError::MissingArgument));
+}
+
+#[test]
+fn exporter_validate_without_xcm_message_yields_missing_argument() {
+ let network = BridgedNetwork::get();
+ let channel: u32 = 0;
+ let mut universal_source: Option<InteriorLocation> =
+ Some([GlobalConsensus(Polkadot), Parachain(1000)].into());
+ let mut destination: Option<InteriorLocation> = Here.into();
+ let mut message: Option<Xcm<()>> = None;
+
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockOkOutboundQueue,
+ AgentIdOf,
+ >::validate(
+ network, channel, &mut universal_source, &mut destination, &mut message
+ );
+ assert_eq!(result, Err(XcmSendError::MissingArgument));
+}
+
+#[test]
+fn exporter_validate_with_max_target_fee_yields_unroutable() {
+ let network = BridgedNetwork::get();
+ let mut destination: Option<InteriorLocation> = Here.into();
+
+ let mut universal_source: Option<InteriorLocation> =
+ Some([GlobalConsensus(Polkadot), Parachain(1000)].into());
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let channel: u32 = 0;
+ let fee = Asset { id: AssetId(Here.into()), fun: Fungible(1000) };
+ let fees: Assets = vec![fee.clone()].into();
+ let assets: Assets = vec![Asset {
+ id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let filter: AssetFilter = assets.clone().into();
+
+ let mut message: Option<Xcm<()>> = Some(
+ vec![
+ WithdrawAsset(fees),
+ BuyExecution { fees: fee, weight_limit: Unlimited },
+ WithdrawAsset(assets),
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: Some(network), key: beneficiary_address }
+ .into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into(),
+ );
+
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockOkOutboundQueue,
+ AgentIdOf,
+ >::validate(
+ network, channel, &mut universal_source, &mut destination, &mut message
+ );
+
+ assert_eq!(result, Err(XcmSendError::Unroutable));
+}
+
+#[test]
+fn exporter_validate_with_unparsable_xcm_yields_unroutable() {
+ let network = BridgedNetwork::get();
+ let mut destination: Option<InteriorLocation> = Here.into();
+
+ let mut universal_source: Option<InteriorLocation> =
+ Some([GlobalConsensus(Polkadot), Parachain(1000)].into());
+
+ let channel: u32 = 0;
+ let fee = Asset { id: AssetId(Here.into()), fun: Fungible(1000) };
+ let fees: Assets = vec![fee.clone()].into();
+
+ let mut message: Option<Xcm<()>> =
+ Some(vec![WithdrawAsset(fees), BuyExecution { fees: fee, weight_limit: Unlimited }].into());
+
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockOkOutboundQueue,
+ AgentIdOf,
+ >::validate(
+ network, channel, &mut universal_source, &mut destination, &mut message
+ );
+
+ assert_eq!(result, Err(XcmSendError::Unroutable));
+}
+
+#[test]
+fn exporter_validate_xcm_success_case_1() {
+ let network = BridgedNetwork::get();
+ let mut destination: Option<InteriorLocation> = Here.into();
+
+ let mut universal_source: Option<InteriorLocation> =
+ Some([GlobalConsensus(Polkadot), Parachain(1000)].into());
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let channel: u32 = 0;
+ let assets: Assets = vec![Asset {
+ id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let fee = assets.clone().get(0).unwrap().clone();
+ let filter: AssetFilter = assets.clone().into();
+
+ let mut message: Option<Xcm<()>> = Some(
+ vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: fee, weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into(),
+ );
+
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockOkOutboundQueue,
+ AgentIdOf,
+ >::validate(
+ network, channel, &mut universal_source, &mut destination, &mut message
+ );
+
+ assert!(result.is_ok());
+}
+
+#[test]
+fn exporter_deliver_with_submit_failure_yields_unroutable() {
+ let result = EthereumBlobExporter::<
+ UniversalLocation,
+ BridgedNetwork,
+ MockErrOutboundQueue,
+ AgentIdOf,
+ >::deliver((hex!("deadbeef").to_vec(), XcmHash::default()));
+ assert_eq!(result, Err(XcmSendError::Transport("other transport error")))
+}
+
+#[test]
+fn xcm_converter_convert_success() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let filter: AssetFilter = assets.clone().into();
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+ let expected_payload = AgentExecuteCommand::TransferToken {
+ token: token_address.into(),
+ recipient: beneficiary_address.into(),
+ amount: 1000,
+ };
+ let result = converter.convert();
+ assert_eq!(result, Ok((expected_payload, [0; 32])));
+}
+
+#[test]
+fn xcm_converter_convert_without_buy_execution_yields_success() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let filter: AssetFilter = assets.clone().into();
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+ let expected_payload = AgentExecuteCommand::TransferToken {
+ token: token_address.into(),
+ recipient: beneficiary_address.into(),
+ amount: 1000,
+ };
+ let result = converter.convert();
+ assert_eq!(result, Ok((expected_payload, [0; 32])));
+}
+
+#[test]
+fn xcm_converter_convert_with_wildcard_all_asset_filter_succeeds() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let filter: AssetFilter = Wild(All);
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+ let expected_payload = AgentExecuteCommand::TransferToken {
+ token: token_address.into(),
+ recipient: beneficiary_address.into(),
+ amount: 1000,
+ };
+ let result = converter.convert();
+ assert_eq!(result, Ok((expected_payload, [0; 32])));
+}
+
+#[test]
+fn xcm_converter_convert_with_fees_less_than_reserve_yields_success() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let asset_location: Location = [AccountKey20 { network: None, key: token_address }].into();
+ let fee_asset = Asset { id: AssetId(asset_location.clone()), fun: Fungible(500) };
+
+ let assets: Assets = vec![Asset { id: AssetId(asset_location), fun: Fungible(1000) }].into();
+
+ let filter: AssetFilter = assets.clone().into();
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: fee_asset, weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+ let expected_payload = AgentExecuteCommand::TransferToken {
+ token: token_address.into(),
+ recipient: beneficiary_address.into(),
+ amount: 1000,
+ };
+ let result = converter.convert();
+ assert_eq!(result, Ok((expected_payload, [0; 32])));
+}
+
+#[test]
+fn xcm_converter_convert_without_set_topic_yields_set_topic_expected() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let filter: AssetFilter = assets.clone().into();
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ ClearTopic,
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::SetTopicExpected));
+}
+
+#[test]
+fn xcm_converter_convert_with_partial_message_yields_unexpected_end_of_xcm() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let assets: Assets = vec![Asset {
+ id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let message: Xcm<()> = vec![WithdrawAsset(assets)].into();
+
+ let mut converter = XcmConverter::new(&message, &network);
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::UnexpectedEndOfXcm));
+}
+
+#[test]
+fn xcm_converter_with_different_fee_asset_fails() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let asset_location = [AccountKey20 { network: None, key: token_address }].into();
+ let fee_asset =
+ Asset { id: AssetId(Location { parents: 0, interior: Here }), fun: Fungible(1000) };
+
+ let assets: Assets = vec![Asset { id: AssetId(asset_location), fun: Fungible(1000) }].into();
+
+ let filter: AssetFilter = assets.clone().into();
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: fee_asset, weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::InvalidFeeAsset));
+}
+
+#[test]
+fn xcm_converter_with_fees_greater_than_reserve_fails() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let asset_location: Location = [AccountKey20 { network: None, key: token_address }].into();
+ let fee_asset = Asset { id: AssetId(asset_location.clone()), fun: Fungible(1001) };
+
+ let assets: Assets = vec![Asset { id: AssetId(asset_location), fun: Fungible(1000) }].into();
+
+ let filter: AssetFilter = assets.clone().into();
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: fee_asset, weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::InvalidFeeAsset));
+}
+
+#[test]
+fn xcm_converter_convert_with_empty_xcm_yields_unexpected_end_of_xcm() {
+ let network = BridgedNetwork::get();
+
+ let message: Xcm<()> = vec![].into();
+
+ let mut converter = XcmConverter::new(&message, &network);
+
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::UnexpectedEndOfXcm));
+}
+
+#[test]
+fn xcm_converter_convert_with_extra_instructions_yields_end_of_xcm_message_expected() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let filter: AssetFilter = assets.clone().into();
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ClearError,
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::EndOfXcmMessageExpected));
+}
+
+#[test]
+fn xcm_converter_convert_without_withdraw_asset_yields_withdraw_expected() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let filter: AssetFilter = assets.clone().into();
+
+ let message: Xcm<()> = vec![
+ ClearOrigin,
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::WithdrawAssetExpected));
+}
+
+#[test]
+fn xcm_converter_convert_without_withdraw_asset_yields_deposit_expected() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::DepositAssetExpected));
+}
+
+#[test]
+fn xcm_converter_convert_without_assets_yields_no_reserve_assets() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![].into();
+ let filter: AssetFilter = assets.clone().into();
+
+ let fee = Asset {
+ id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
+ fun: Fungible(1000),
+ };
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: fee, weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::NoReserveAssets));
+}
+
+#[test]
+fn xcm_converter_convert_with_two_assets_yields_too_many_assets() {
+ let network = BridgedNetwork::get();
+
+ let token_address_1: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let token_address_2: [u8; 20] = hex!("1100000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![
+ Asset {
+ id: AssetId(AccountKey20 { network: None, key: token_address_1 }.into()),
+ fun: Fungible(1000),
+ },
+ Asset {
+ id: AssetId(AccountKey20 { network: None, key: token_address_2 }.into()),
+ fun: Fungible(500),
+ },
+ ]
+ .into();
+ let filter: AssetFilter = assets.clone().into();
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::TooManyAssets));
+}
+
+#[test]
+fn xcm_converter_convert_without_consuming_filter_yields_filter_does_not_consume_all_assets() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let filter: AssetFilter = Wild(WildAsset::AllCounted(0));
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::FilterDoesNotConsumeAllAssets));
+}
+
+#[test]
+fn xcm_converter_convert_with_zero_amount_asset_yields_zero_asset_transfer() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
+ fun: Fungible(0),
+ }]
+ .into();
+ let filter: AssetFilter = Wild(WildAsset::AllCounted(1));
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::ZeroAssetTransfer));
+}
+
+#[test]
+fn xcm_converter_convert_non_ethereum_asset_yields_asset_resolution_failed() {
+ let network = BridgedNetwork::get();
+
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId([GlobalConsensus(Polkadot), Parachain(1000), GeneralIndex(0)].into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let filter: AssetFilter = Wild(WildAsset::AllCounted(1));
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::AssetResolutionFailed));
+}
+
+#[test]
+fn xcm_converter_convert_non_ethereum_chain_asset_yields_asset_resolution_failed() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId(
+ AccountKey20 { network: Some(Ethereum { chain_id: 2 }), key: token_address }.into(),
+ ),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let filter: AssetFilter = Wild(WildAsset::AllCounted(1));
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::AssetResolutionFailed));
+}
+
+#[test]
+fn xcm_converter_convert_non_ethereum_chain_yields_asset_resolution_failed() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId(
+ [AccountKey20 { network: Some(NonBridgedNetwork::get()), key: token_address }].into(),
+ ),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let filter: AssetFilter = Wild(WildAsset::AllCounted(1));
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::AssetResolutionFailed));
+}
+
+#[test]
+fn xcm_converter_convert_with_non_ethereum_beneficiary_yields_beneficiary_resolution_failed() {
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+
+ let beneficiary_address: [u8; 32] =
+ hex!("2000000000000000000000000000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let filter: AssetFilter = Wild(WildAsset::AllCounted(1));
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: [
+ GlobalConsensus(Polkadot),
+ Parachain(1000),
+ AccountId32 { network: Some(Polkadot), id: beneficiary_address },
+ ]
+ .into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::BeneficiaryResolutionFailed));
+}
+
+#[test]
+fn xcm_converter_convert_with_non_ethereum_chain_beneficiary_yields_beneficiary_resolution_failed()
+{
+ let network = BridgedNetwork::get();
+
+ let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
+ let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");
+
+ let assets: Assets = vec![Asset {
+ id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
+ fun: Fungible(1000),
+ }]
+ .into();
+ let filter: AssetFilter = Wild(WildAsset::AllCounted(1));
+
+ let message: Xcm<()> = vec![
+ WithdrawAsset(assets.clone()),
+ ClearOrigin,
+ BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
+ DepositAsset {
+ assets: filter,
+ beneficiary: AccountKey20 {
+ network: Some(Ethereum { chain_id: 2 }),
+ key: beneficiary_address,
+ }
+ .into(),
+ },
+ SetTopic([0; 32]),
+ ]
+ .into();
+ let mut converter = XcmConverter::new(&message, &network);
+
+ let result = converter.convert();
+ assert_eq!(result.err(), Some(XcmConverterError::BeneficiaryResolutionFailed));
+}
+
+#[test]
+fn test_describe_asset_hub() {
+ let legacy_location: Location = Location::new(0, [Parachain(1000)]);
+ let legacy_agent_id = AgentIdOf::convert_location(&legacy_location).unwrap();
+ assert_eq!(
+ legacy_agent_id,
+ hex!("72456f48efed08af20e5b317abf8648ac66e86bb90a411d9b0b713f7364b75b4").into()
+ );
+ let location: Location = Location::new(1, [Parachain(1000)]);
+ let agent_id = AgentIdOf::convert_location(&location).unwrap();
+ assert_eq!(
+ agent_id,
+ hex!("81c5ab2571199e3188135178f3c2c8e2d268be1313d029b30f534fa579b69b79").into()
+ )
+}
+
+#[test]
+fn test_describe_here() {
+ let location: Location = Location::new(0, []);
+ let agent_id = AgentIdOf::convert_location(&location).unwrap();
+ assert_eq!(
+ agent_id,
+ hex!("03170a2e7597b7b7e3d84c05391d139a62b157e78786d8c082f29dcf4c111314").into()
+ )
+}
diff --git a/bridges/snowbridge/runtime/runtime-common/Cargo.toml b/bridges/snowbridge/runtime/runtime-common/Cargo.toml
new file mode 100644
index 0000000000000..12f9cfa42d917
--- /dev/null
+++ b/bridges/snowbridge/runtime/runtime-common/Cargo.toml
@@ -0,0 +1,49 @@
+[package]
+name = "snowbridge-runtime-common"
+description = "Snowbridge Runtime Common"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[dependencies]
+log = { version = "0.4.20", default-features = false }
+codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false }
+frame-support = { path = "../../../../substrate/frame/support", default-features = false }
+frame-system = { path = "../../../../substrate/frame/system", default-features = false }
+sp-std = { path = "../../../../substrate/primitives/std", default-features = false }
+sp-arithmetic = { path = "../../../../substrate/primitives/arithmetic", default-features = false }
+xcm = { package = "staging-xcm", path = "../../../../polkadot/xcm", default-features = false }
+xcm-builder = { package = "staging-xcm-builder", path = "../../../../polkadot/xcm/xcm-builder", default-features = false }
+xcm-executor = { package = "staging-xcm-executor", path = "../../../../polkadot/xcm/xcm-executor", default-features = false }
+
+snowbridge-core = { path = "../../primitives/core", default-features = false }
+
+[dev-dependencies]
+
+[features]
+default = ["std"]
+std = [
+ "codec/std",
+ "frame-support/std",
+ "frame-system/std",
+ "log/std",
+ "snowbridge-core/std",
+ "sp-arithmetic/std",
+ "sp-std/std",
+ "xcm-builder/std",
+ "xcm-executor/std",
+ "xcm/std",
+]
+runtime-benchmarks = [
+ "frame-support/runtime-benchmarks",
+ "frame-system/runtime-benchmarks",
+ "snowbridge-core/runtime-benchmarks",
+ "xcm-builder/runtime-benchmarks",
+ "xcm-executor/runtime-benchmarks",
+]
diff --git a/bridges/snowbridge/runtime/runtime-common/README.md b/bridges/snowbridge/runtime/runtime-common/README.md
new file mode 100644
index 0000000000000..57d178ea2d2b0
--- /dev/null
+++ b/bridges/snowbridge/runtime/runtime-common/README.md
@@ -0,0 +1,3 @@
+# Snowbridge Runtime Common
+
+Common crate to contain runtime related structs and implementations for Snowbridge.
diff --git a/bridges/snowbridge/runtime/runtime-common/src/lib.rs b/bridges/snowbridge/runtime/runtime-common/src/lib.rs
new file mode 100644
index 0000000000000..aae45520ff4bd
--- /dev/null
+++ b/bridges/snowbridge/runtime/runtime-common/src/lib.rs
@@ -0,0 +1,151 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! # Runtime Common
+//!
+//! Common traits and types shared by runtimes.
+#![cfg_attr(not(feature = "std"), no_std)]
+
+#[cfg(test)]
+mod tests;
+
+use codec::FullCodec;
+use core::marker::PhantomData;
+use frame_support::traits::Get;
+use snowbridge_core::outbound::SendMessageFeeProvider;
+use sp_arithmetic::traits::{BaseArithmetic, Unsigned};
+use sp_std::fmt::Debug;
+use xcm::prelude::*;
+use xcm_builder::HandleFee;
+use xcm_executor::traits::{FeeReason, TransactAsset};
+
+pub const LOG_TARGET: &str = "xcm::export-fee-to-sibling";
+
+/// A `HandleFee` implementation that takes fees from `ExportMessage` XCM instructions
+/// to Snowbridge and splits off the remote fee and deposits it to the origin
+/// parachain sovereign account. The local fee is then returned back to be handled by
+/// the next fee handler in the chain. Most likely the treasury account.
+pub struct XcmExportFeeToSibling<
+ Balance,
+ AccountId,
+ FeeAssetLocation,
+ EthereumNetwork,
+ AssetTransactor,
+ FeeProvider,
+>(
+ PhantomData<(
+ Balance,
+ AccountId,
+ FeeAssetLocation,
+ EthereumNetwork,
+ AssetTransactor,
+ FeeProvider,
+ )>,
+);
+
+impl<Balance, AccountId, FeeAssetLocation, EthereumNetwork, AssetTransactor, FeeProvider> HandleFee
+ for XcmExportFeeToSibling<
+ Balance,
+ AccountId,
+ FeeAssetLocation,
+ EthereumNetwork,
+ AssetTransactor,
+ FeeProvider,
+ > where
+ Balance: BaseArithmetic + Unsigned + Copy + From<u128> + Into<u128> + Debug,
+ AccountId: Clone + FullCodec,
+ FeeAssetLocation: Get<Location>,
+ EthereumNetwork: Get<NetworkId>,
+ AssetTransactor: TransactAsset,
+ FeeProvider: SendMessageFeeProvider<Balance = Balance>,
+{
+ fn handle_fee(fees: Assets, context: Option<&XcmContext>, reason: FeeReason) -> Assets {
+ let token_location = FeeAssetLocation::get();
+
+ // Check the reason to see if this export is for snowbridge.
+ if !matches!(
+ reason,
+ FeeReason::Export { network: bridged_network, ref destination }
+ if bridged_network == EthereumNetwork::get() && destination == &Here
+ ) {
+ return fees
+ }
+
+ // Get the parachain sovereign from the `context`.
+ let maybe_para_id: Option<u32> =
+ if let Some(XcmContext { origin: Some(Location { parents: 1, interior }), .. }) =
+ context
+ {
+ if let Some(Parachain(sibling_para_id)) = interior.first() {
+ Some(*sibling_para_id)
+ } else {
+ None
+ }
+ } else {
+ None
+ };
+ if maybe_para_id.is_none() {
+ log::error!(
+ target: LOG_TARGET,
+ "invalid location in context {:?}",
+ context,
+ );
+ return fees
+ }
+ let para_id = maybe_para_id.unwrap();
+
+ // Get the total fee offered by export message.
+ let maybe_total_supplied_fee: Option<(usize, Balance)> = fees
+ .inner()
+ .iter()
+ .enumerate()
+ .filter_map(|(index, asset)| {
+ if let Asset { id: location, fun: Fungible(amount) } = asset {
+ if location.0 == token_location {
+ return Some((index, (*amount).into()))
+ }
+ }
+ None
+ })
+ .next();
+ if maybe_total_supplied_fee.is_none() {
+ log::error!(
+ target: LOG_TARGET,
+ "could not find fee asset item in fees: {:?}",
+ fees,
+ );
+ return fees
+ }
+ let (fee_index, total_fee) = maybe_total_supplied_fee.unwrap();
+ let local_fee = FeeProvider::local_fee();
+ let remote_fee = total_fee.saturating_sub(local_fee);
+ if local_fee == Balance::zero() || remote_fee == Balance::zero() {
+ log::error!(
+ target: LOG_TARGET,
+ "calculated refund incorrect with local_fee: {:?} and remote_fee: {:?}",
+ local_fee,
+ remote_fee,
+ );
+ return fees
+ }
+ // Refund remote component of fee to physical origin
+ let result = AssetTransactor::deposit_asset(
+ &Asset { id: AssetId(token_location.clone()), fun: Fungible(remote_fee.into()) },
+ &Location::new(1, [Parachain(para_id)]),
+ context,
+ );
+ if result.is_err() {
+ log::error!(
+ target: LOG_TARGET,
+ "transact fee asset failed: {:?}",
+ result.unwrap_err()
+ );
+ return fees
+ }
+
+ // Return remaining fee to the next fee handler in the chain.
+ let mut modified_fees = fees.inner().clone();
+ modified_fees.remove(fee_index);
+ modified_fees.push(Asset { id: AssetId(token_location), fun: Fungible(local_fee.into()) });
+ modified_fees.into()
+ }
+}
diff --git a/bridges/snowbridge/runtime/runtime-common/src/tests.rs b/bridges/snowbridge/runtime/runtime-common/src/tests.rs
new file mode 100644
index 0000000000000..8d9a88f42933b
--- /dev/null
+++ b/bridges/snowbridge/runtime/runtime-common/src/tests.rs
@@ -0,0 +1,168 @@
+use crate::XcmExportFeeToSibling;
+use frame_support::{parameter_types, sp_runtime::testing::H256};
+use snowbridge_core::outbound::{Fee, Message, SendError, SendMessage, SendMessageFeeProvider};
+use xcm::prelude::{
+ Asset, Assets, Here, Kusama, Location, NetworkId, Parachain, XcmContext, XcmError, XcmHash,
+ XcmResult,
+};
+use xcm_builder::HandleFee;
+use xcm_executor::{
+ traits::{FeeReason, TransactAsset},
+ AssetsInHolding,
+};
+
+parameter_types! {
+ pub EthereumNetwork: NetworkId = NetworkId::Ethereum { chain_id: 11155111 };
+ pub TokenLocation: Location = Location::parent();
+}
+
+struct MockOkOutboundQueue;
+impl SendMessage for MockOkOutboundQueue {
+ type Ticket = ();
+
+ fn validate(_: &Message) -> Result<(Self::Ticket, Fee<Self::Balance>), SendError> {
+ Ok(((), Fee { local: 1, remote: 1 }))
+ }
+
+ fn deliver(_: Self::Ticket) -> Result<H256, SendError> {
+ Ok(H256::zero())
+ }
+}
+
+impl SendMessageFeeProvider for MockOkOutboundQueue {
+ type Balance = u128;
+
+ fn local_fee() -> Self::Balance {
+ 1
+ }
+}
+struct MockErrOutboundQueue;
+impl SendMessage for MockErrOutboundQueue {
+ type Ticket = ();
+
+ fn validate(_: &Message) -> Result<(Self::Ticket, Fee<Self::Balance>), SendError> {
+ Err(SendError::MessageTooLarge)
+ }
+
+ fn deliver(_: Self::Ticket) -> Result<H256, SendError> {
+ Err(SendError::MessageTooLarge)
+ }
+}
+
+impl SendMessageFeeProvider for MockErrOutboundQueue {
+ type Balance = u128;
+
+ fn local_fee() -> Self::Balance {
+ 1
+ }
+}
+
+pub struct MockAssetTransactor;
+impl TransactAsset for MockAssetTransactor {
+ fn can_check_in(_origin: &Location, _what: &Asset, _context: &XcmContext) -> XcmResult {
+ Ok(())
+ }
+
+ fn can_check_out(_dest: &Location, _what: &Asset, _context: &XcmContext) -> XcmResult {
+ Ok(())
+ }
+
+ fn deposit_asset(_what: &Asset, _who: &Location, _context: Option<&XcmContext>) -> XcmResult {
+ Ok(())
+ }
+
+ fn withdraw_asset(
+ _what: &Asset,
+ _who: &Location,
+ _context: Option<&XcmContext>,
+ ) -> Result<AssetsInHolding, XcmError> {
+ Ok(Assets::default().into())
+ }
+
+ fn internal_transfer_asset(
+ _what: &Asset,
+ _from: &Location,
+ _to: &Location,
+ _context: &XcmContext,
+ ) -> Result<AssetsInHolding, XcmError> {
+ Ok(Assets::default().into())
+ }
+}
+
+#[test]
+fn handle_fee_success() {
+ let fee: Assets = Asset::from((Location::parent(), 10_u128)).into();
+ let ctx = XcmContext {
+ origin: Some(Location::new(1, Parachain(1000))),
+ message_id: XcmHash::default(),
+ topic: None,
+ };
+ let reason = FeeReason::Export { network: EthereumNetwork::get(), destination: Here };
+ let result = XcmExportFeeToSibling::<
+ u128,
+ u64,
+ TokenLocation,
+ EthereumNetwork,
+ MockAssetTransactor,
+ MockOkOutboundQueue,
+ >::handle_fee(fee, Some(&ctx), reason);
+ let local_fee = Asset::from((Location::parent(), MockOkOutboundQueue::local_fee())).into();
+ // assert only local fee left
+ assert_eq!(result, local_fee)
+}
+
+#[test]
+fn handle_fee_success_but_not_for_ethereum() {
+ let fee: Assets = Asset::from((Location::parent(), 10_u128)).into();
+ let ctx = XcmContext { origin: None, message_id: XcmHash::default(), topic: None };
+ // invalid network not for ethereum
+ let reason = FeeReason::Export { network: Kusama, destination: Here };
+ let result = XcmExportFeeToSibling::<
+ u128,
+ u64,
+ TokenLocation,
+ EthereumNetwork,
+ MockAssetTransactor,
+ MockOkOutboundQueue,
+ >::handle_fee(fee.clone(), Some(&ctx), reason);
+ // assert fee not touched and just forward to the next handler
+ assert_eq!(result, fee)
+}
+
+#[test]
+fn handle_fee_success_even_from_an_invalid_none_origin_location() {
+ let fee: Assets = Asset::from((Location::parent(), 10_u128)).into();
+ // invalid origin None here not from a sibling chain
+ let ctx = XcmContext { origin: None, message_id: XcmHash::default(), topic: None };
+ let reason = FeeReason::Export { network: EthereumNetwork::get(), destination: Here };
+ let result = XcmExportFeeToSibling::<
+ u128,
+ u64,
+ TokenLocation,
+ EthereumNetwork,
+ MockAssetTransactor,
+ MockOkOutboundQueue,
+ >::handle_fee(fee.clone(), Some(&ctx), reason);
+ assert_eq!(result, fee)
+}
+
+#[test]
+fn handle_fee_success_even_when_fee_insufficient() {
+ // insufficient fee not cover the (local_fee + remote_fee) required
+ let fee: Assets = Asset::from((Location::parent(), 1_u128)).into();
+ let ctx = XcmContext {
+ origin: Some(Location::new(1, Parachain(1000))),
+ message_id: XcmHash::default(),
+ topic: None,
+ };
+ let reason = FeeReason::Export { network: EthereumNetwork::get(), destination: Here };
+ let result = XcmExportFeeToSibling::<
+ u128,
+ u64,
+ TokenLocation,
+ EthereumNetwork,
+ MockAssetTransactor,
+ MockOkOutboundQueue,
+ >::handle_fee(fee.clone(), Some(&ctx), reason);
+ assert_eq!(result, fee)
+}
diff --git a/bridges/snowbridge/runtime/test-common/Cargo.toml b/bridges/snowbridge/runtime/test-common/Cargo.toml
new file mode 100644
index 0000000000000..7c02ac40b63ba
--- /dev/null
+++ b/bridges/snowbridge/runtime/test-common/Cargo.toml
@@ -0,0 +1,201 @@
+[package]
+name = "snowbridge-runtime-test-common"
+description = "Snowbridge Runtime Tests"
+version = "0.9.0"
+authors = ["Snowfork <contact@snowfork.com>"]
+edition = "2021"
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
+hex-literal = { version = "0.4.1" }
+log = { version = "0.4.20", default-features = false }
+scale-info = { version = "2.10.0", default-features = false, features = ["derive"] }
+serde = { version = "1.0.195", optional = true, features = ["derive"] }
+smallvec = "1.11.0"
+
+# Substrate
+frame-benchmarking = { path = "../../../../substrate/frame/benchmarking", default-features = false, optional = true }
+frame-executive = { path = "../../../../substrate/frame/executive", default-features = false }
+frame-support = { path = "../../../../substrate/frame/support", default-features = false }
+frame-system = { path = "../../../../substrate/frame/system", default-features = false }
+frame-system-benchmarking = { path = "../../../../substrate/frame/system/benchmarking", default-features = false, optional = true }
+frame-system-rpc-runtime-api = { path = "../../../../substrate/frame/system/rpc/runtime-api", default-features = false }
+frame-try-runtime = { path = "../../../../substrate/frame/try-runtime", default-features = false, optional = true }
+pallet-aura = { path = "../../../../substrate/frame/aura", default-features = false }
+pallet-authorship = { path = "../../../../substrate/frame/authorship", default-features = false }
+pallet-balances = { path = "../../../../substrate/frame/balances", default-features = false }
+pallet-session = { path = "../../../../substrate/frame/session", default-features = false }
+pallet-multisig = { path = "../../../../substrate/frame/multisig", default-features = false }
+pallet-message-queue = { path = "../../../../substrate/frame/message-queue", default-features = false }
+pallet-timestamp = { path = "../../../../substrate/frame/timestamp", default-features = false }
+pallet-transaction-payment = { path = "../../../../substrate/frame/transaction-payment", default-features = false }
+pallet-transaction-payment-rpc-runtime-api = { path = "../../../../substrate/frame/transaction-payment/rpc/runtime-api", default-features = false }
+pallet-utility = { path = "../../../../substrate/frame/utility", default-features = false }
+sp-api = { path = "../../../../substrate/primitives/api", default-features = false }
+sp-block-builder = { path = "../../../../substrate/primitives/block-builder", default-features = false }
+sp-consensus-aura = { path = "../../../../substrate/primitives/consensus/aura", default-features = false }
+sp-core = { path = "../../../../substrate/primitives/core", default-features = false }
+sp-genesis-builder = { path = "../../../../substrate/primitives/genesis-builder", default-features = false }
+sp-inherents = { path = "../../../../substrate/primitives/inherents", default-features = false }
+sp-io = { path = "../../../../substrate/primitives/io", default-features = false }
+sp-keyring = { path = "../../../../substrate/primitives/keyring" }
+sp-offchain = { path = "../../../../substrate/primitives/offchain", default-features = false }
+sp-runtime = { path = "../../../../substrate/primitives/runtime", default-features = false }
+sp-session = { path = "../../../../substrate/primitives/session", default-features = false }
+sp-std = { path = "../../../../substrate/primitives/std", default-features = false }
+sp-storage = { path = "../../../../substrate/primitives/storage", default-features = false }
+sp-transaction-pool = { path = "../../../../substrate/primitives/transaction-pool", default-features = false }
+sp-version = { path = "../../../../substrate/primitives/version", default-features = false }
+
+# Polkadot
+pallet-xcm = { path = "../../../../polkadot/xcm/pallet-xcm", default-features = false }
+pallet-xcm-benchmarks = { path = "../../../../polkadot/xcm/pallet-xcm-benchmarks", default-features = false, optional = true }
+polkadot-core-primitives = { path = "../../../../polkadot/core-primitives", default-features = false }
+polkadot-parachain-primitives = { path = "../../../../polkadot/parachain", default-features = false }
+polkadot-runtime-common = { path = "../../../../polkadot/runtime/common", default-features = false }
+xcm = { package = "staging-xcm", path = "../../../../polkadot/xcm", default-features = false }
+xcm-builder = { package = "staging-xcm-builder", path = "../../../../polkadot/xcm/xcm-builder", default-features = false }
+xcm-executor = { package = "staging-xcm-executor", path = "../../../../polkadot/xcm/xcm-executor", default-features = false }
+
+# Cumulus
+cumulus-pallet-aura-ext = { path = "../../../../cumulus/pallets/aura-ext", default-features = false }
+cumulus-pallet-parachain-system = { path = "../../../../cumulus/pallets/parachain-system", default-features = false, features = ["parameterized-consensus-hook"] }
+cumulus-pallet-session-benchmarking = { path = "../../../../cumulus/pallets/session-benchmarking", default-features = false }
+cumulus-pallet-xcm = { path = "../../../../cumulus/pallets/xcm", default-features = false }
+cumulus-pallet-xcmp-queue = { path = "../../../../cumulus/pallets/xcmp-queue", default-features = false, features = ["bridging"] }
+cumulus-primitives-core = { path = "../../../../cumulus/primitives/core", default-features = false }
+cumulus-primitives-utility = { path = "../../../../cumulus/primitives/utility", default-features = false }
+pallet-collator-selection = { path = "../../../../cumulus/pallets/collator-selection", default-features = false }
+parachain-info = { package = "staging-parachain-info", path = "../../../../cumulus/parachains/pallets/parachain-info", default-features = false }
+parachains-common = { path = "../../../../cumulus/parachains/common", default-features = false }
+parachains-runtimes-test-utils = { path = "../../../../cumulus/parachains/runtimes/test-utils", default-features = false }
+assets-common = { path = "../../../../cumulus/parachains/runtimes/assets/common", default-features = false }
+
+# Ethereum Bridge (Snowbridge)
+snowbridge-core = { path = "../../primitives/core", default-features = false }
+snowbridge-beacon-primitives = { path = "../../primitives/beacon", default-features = false }
+snowbridge-router-primitives = { path = "../../primitives/router", default-features = false }
+snowbridge-pallet-ethereum-client = { path = "../../pallets/ethereum-client", default-features = false }
+snowbridge-pallet-ethereum-client-fixtures = { path = "../../pallets/ethereum-client/fixtures", default-features = false }
+snowbridge-pallet-inbound-queue = { path = "../../pallets/inbound-queue", default-features = false }
+snowbridge-pallet-outbound-queue = { path = "../../pallets/outbound-queue", default-features = false }
+snowbridge-outbound-queue-runtime-api = { path = "../../pallets/outbound-queue/runtime-api", default-features = false }
+snowbridge-pallet-system = { path = "../../pallets/system", default-features = false }
+snowbridge-system-runtime-api = { path = "../../pallets/system/runtime-api", default-features = false }
+
+[dev-dependencies]
+static_assertions = "1.1"
+bridge-hub-test-utils = { path = "../../../../cumulus/parachains/runtimes/bridge-hubs/test-utils" }
+bridge-runtime-common = { path = "../../../bin/runtime-common", features = ["integrity-test"] }
+sp-keyring = { path = "../../../../substrate/primitives/keyring" }
+
+[features]
+default = ["std"]
+std = [
+ "assets-common/std",
+ "codec/std",
+ "cumulus-pallet-aura-ext/std",
+ "cumulus-pallet-parachain-system/std",
+ "cumulus-pallet-session-benchmarking/std",
+ "cumulus-pallet-xcm/std",
+ "cumulus-pallet-xcmp-queue/std",
+ "cumulus-primitives-core/std",
+ "cumulus-primitives-utility/std",
+ "frame-benchmarking/std",
+ "frame-executive/std",
+ "frame-support/std",
+ "frame-system-benchmarking?/std",
+ "frame-system-rpc-runtime-api/std",
+ "frame-system/std",
+ "frame-try-runtime?/std",
+ "log/std",
+ "pallet-aura/std",
+ "pallet-authorship/std",
+ "pallet-balances/std",
+ "pallet-collator-selection/std",
+ "pallet-message-queue/std",
+ "pallet-multisig/std",
+ "pallet-session/std",
+ "pallet-timestamp/std",
+ "pallet-transaction-payment-rpc-runtime-api/std",
+ "pallet-transaction-payment/std",
+ "pallet-utility/std",
+ "pallet-xcm-benchmarks?/std",
+ "pallet-xcm/std",
+ "parachain-info/std",
+ "parachains-common/std",
+ "parachains-runtimes-test-utils/std",
+ "polkadot-core-primitives/std",
+ "polkadot-parachain-primitives/std",
+ "polkadot-runtime-common/std",
+ "scale-info/std",
+ "serde",
+ "snowbridge-beacon-primitives/std",
+ "snowbridge-core/std",
+ "snowbridge-outbound-queue-runtime-api/std",
+ "snowbridge-pallet-ethereum-client-fixtures/std",
+ "snowbridge-pallet-ethereum-client/std",
+ "snowbridge-pallet-inbound-queue/std",
+ "snowbridge-pallet-outbound-queue/std",
+ "snowbridge-pallet-system/std",
+ "snowbridge-router-primitives/std",
+ "snowbridge-system-runtime-api/std",
+ "sp-api/std",
+ "sp-block-builder/std",
+ "sp-consensus-aura/std",
+ "sp-core/std",
+ "sp-genesis-builder/std",
+ "sp-inherents/std",
+ "sp-io/std",
+ "sp-offchain/std",
+ "sp-runtime/std",
+ "sp-session/std",
+ "sp-std/std",
+ "sp-storage/std",
+ "sp-transaction-pool/std",
+ "sp-version/std",
+ "xcm-builder/std",
+ "xcm-executor/std",
+ "xcm/std",
+]
+
+runtime-benchmarks = [
+ "assets-common/runtime-benchmarks",
+ "bridge-runtime-common/runtime-benchmarks",
+ "cumulus-pallet-parachain-system/runtime-benchmarks",
+ "cumulus-pallet-session-benchmarking/runtime-benchmarks",
+ "cumulus-pallet-xcmp-queue/runtime-benchmarks",
+ "cumulus-primitives-core/runtime-benchmarks",
+ "cumulus-primitives-utility/runtime-benchmarks",
+ "frame-benchmarking/runtime-benchmarks",
+ "frame-support/runtime-benchmarks",
+ "frame-system-benchmarking/runtime-benchmarks",
+ "frame-system/runtime-benchmarks",
+ "pallet-balances/runtime-benchmarks",
+ "pallet-collator-selection/runtime-benchmarks",
+ "pallet-message-queue/runtime-benchmarks",
+ "pallet-multisig/runtime-benchmarks",
+ "pallet-timestamp/runtime-benchmarks",
+ "pallet-utility/runtime-benchmarks",
+ "pallet-xcm-benchmarks/runtime-benchmarks",
+ "pallet-xcm/runtime-benchmarks",
+ "parachains-common/runtime-benchmarks",
+ "polkadot-parachain-primitives/runtime-benchmarks",
+ "polkadot-runtime-common/runtime-benchmarks",
+ "snowbridge-core/runtime-benchmarks",
+ "snowbridge-pallet-ethereum-client-fixtures/runtime-benchmarks",
+ "snowbridge-pallet-ethereum-client/runtime-benchmarks",
+ "snowbridge-pallet-inbound-queue/runtime-benchmarks",
+ "snowbridge-pallet-outbound-queue/runtime-benchmarks",
+ "snowbridge-pallet-system/runtime-benchmarks",
+ "snowbridge-router-primitives/runtime-benchmarks",
+ "sp-runtime/runtime-benchmarks",
+ "xcm-builder/runtime-benchmarks",
+ "xcm-executor/runtime-benchmarks",
+]
+fast-runtime = []
diff --git a/bridges/snowbridge/runtime/test-common/README.md b/bridges/snowbridge/runtime/test-common/README.md
new file mode 100644
index 0000000000000..d582f87142b3f
--- /dev/null
+++ b/bridges/snowbridge/runtime/test-common/README.md
@@ -0,0 +1,3 @@
+# Runtime Tests
+
+Tests runtime config and bridge functionality in the boundaries of a runtime.
diff --git a/bridges/snowbridge/runtime/test-common/src/lib.rs b/bridges/snowbridge/runtime/test-common/src/lib.rs
new file mode 100644
index 0000000000000..c9bbce98e575d
--- /dev/null
+++ b/bridges/snowbridge/runtime/test-common/src/lib.rs
@@ -0,0 +1,484 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+
+use codec::Encode;
+use frame_support::{
+ assert_err, assert_ok,
+ traits::{fungible::Mutate, OnFinalize, OnInitialize},
+};
+use frame_system::pallet_prelude::BlockNumberFor;
+pub use parachains_runtimes_test_utils::test_cases::change_storage_constant_by_governance_works;
+use parachains_runtimes_test_utils::{
+ AccountIdOf, BalanceOf, CollatorSessionKeys, ExtBuilder, ValidatorIdOf, XcmReceivedFrom,
+};
+use snowbridge_core::{ChannelId, ParaId};
+use snowbridge_pallet_ethereum_client_fixtures::*;
+use sp_core::H160;
+use sp_keyring::AccountKeyring::*;
+use sp_runtime::{traits::Header, AccountId32, SaturatedConversion, Saturating};
+use xcm::{
+ latest::prelude::*,
+ v3::Error::{self, Barrier},
+};
+use xcm_executor::XcmExecutor;
+
+type RuntimeHelper<Runtime, AllPalletsWithoutSystem = ()> =
+ parachains_runtimes_test_utils::RuntimeHelper<Runtime, AllPalletsWithoutSystem>;
+
+pub fn initial_fund<Runtime>(assethub_parachain_id: u32, initial_amount: u128)
+where
+ Runtime: frame_system::Config + pallet_balances::Config,
+{
+ // fund asset hub sovereign account enough so it can pay fees
+ let asset_hub_sovereign_account =
+ snowbridge_core::sibling_sovereign_account::<Runtime>(assethub_parachain_id.into());
+ <pallet_balances::Pallet<Runtime>>::mint_into(
+ &asset_hub_sovereign_account,
+ initial_amount.saturated_into::<BalanceOf<Runtime>>(),
+ )
+ .unwrap();
+}
+
+pub fn send_transfer_token_message<Runtime, XcmConfig>(
+ assethub_parachain_id: u32,
+ weth_contract_address: H160,
+ destination_address: H160,
+ fee_amount: u128,
+) -> Outcome
+where
+ Runtime: frame_system::Config
+ + pallet_balances::Config
+ + pallet_session::Config
+ + pallet_xcm::Config
+ + parachain_info::Config
+ + pallet_collator_selection::Config
+ + cumulus_pallet_parachain_system::Config
+ + snowbridge_pallet_outbound_queue::Config,
+ XcmConfig: xcm_executor::Config,
+{
+ let assethub_parachain_location = Location::new(1, Parachain(assethub_parachain_id));
+ let asset = Asset {
+ id: AssetId(Location::new(
+ 0,
+ [AccountKey20 { network: None, key: weth_contract_address.into() }],
+ )),
+ fun: Fungible(1000000000),
+ };
+ let assets = vec![asset.clone()];
+
+ let inner_xcm = Xcm(vec![
+ WithdrawAsset(Assets::from(assets.clone())),
+ ClearOrigin,
+ BuyExecution { fees: asset, weight_limit: Unlimited },
+ DepositAsset {
+ assets: Wild(All),
+ beneficiary: Location::new(
+ 0,
+ [AccountKey20 { network: None, key: destination_address.into() }],
+ ),
+ },
+ SetTopic([0; 32]),
+ ]);
+
+ let fee =
+ Asset { id: AssetId(Location { parents: 1, interior: Here }), fun: Fungible(fee_amount) };
+
+ // prepare transfer token message
+ let xcm = Xcm(vec![
+ WithdrawAsset(Assets::from(vec![fee.clone()])),
+ BuyExecution { fees: fee, weight_limit: Unlimited },
+ ExportMessage {
+ network: Ethereum { chain_id: 11155111 },
+ destination: Here,
+ xcm: inner_xcm,
+ },
+ ]);
+
+ // execute XCM
+ let mut hash = xcm.using_encoded(sp_io::hashing::blake2_256);
+ XcmExecutor::<XcmConfig>::prepare_and_execute(
+ assethub_parachain_location,
+ xcm,
+ &mut hash,
+ RuntimeHelper::<Runtime>::xcm_max_weight(XcmReceivedFrom::Sibling),
+ Weight::zero(),
+ )
+}
+
+pub fn send_transfer_token_message_success<Runtime, XcmConfig>(
+ collator_session_key: CollatorSessionKeys<Runtime>,
+ runtime_para_id: u32,
+ assethub_parachain_id: u32,
+ weth_contract_address: H160,
+ destination_address: H160,
+ fee_amount: u128,
+ snowbridge_pallet_outbound_queue: Box<
+ dyn Fn(Vec<u8>) -> Option<snowbridge_pallet_outbound_queue::Event<Runtime>>,
+ >,
+) where
+ Runtime: frame_system::Config
+ + pallet_balances::Config
+ + pallet_session::Config
+ + pallet_xcm::Config
+ + parachain_info::Config
+ + pallet_collator_selection::Config
+ + pallet_message_queue::Config
+ + cumulus_pallet_parachain_system::Config
+ + snowbridge_pallet_outbound_queue::Config
+ + snowbridge_pallet_system::Config,
+ XcmConfig: xcm_executor::Config,
+ ValidatorIdOf<Runtime>: From<AccountIdOf<Runtime>>,
+ <Runtime as frame_system::Config>::AccountId: From<sp_runtime::AccountId32> + AsRef<[u8]>,
+{
+ ExtBuilder::<Runtime>::default()
+ .with_collators(collator_session_key.collators())
+ .with_session_keys(collator_session_key.session_keys())
+ .with_para_id(runtime_para_id.into())
+ .with_tracing()
+ .build()
+ .execute_with(|| {
+ <snowbridge_pallet_system::Pallet<Runtime>>::initialize(
+ runtime_para_id.into(),
+ assethub_parachain_id.into(),
+ )
+ .unwrap();
+
+ // fund asset hub sovereign account enough so it can pay fees
+ initial_fund::<Runtime>(assethub_parachain_id, 5_000_000_000_000);
+
+ let outcome = send_transfer_token_message::<Runtime, XcmConfig>(
+ assethub_parachain_id,
+ weth_contract_address,
+ destination_address,
+ fee_amount,
+ );
+
+ assert_ok!(outcome.ensure_complete());
+
+ // check events
+ let mut events = <frame_system::Pallet<Runtime>>::events()
+ .into_iter()
+ .filter_map(|e| snowbridge_pallet_outbound_queue(e.event.encode()));
+ assert!(events.any(|e| matches!(
+ e,
+ snowbridge_pallet_outbound_queue::Event::MessageQueued { .. }
+ )));
+
+ let block_number = <frame_system::Pallet<Runtime>>::block_number();
+ let next_block_number = <frame_system::Pallet<Runtime>>::block_number()
+ .saturating_add(BlockNumberFor::<Runtime>::from(1u32));
+
+ // finish current block
+ <pallet_message_queue::Pallet<Runtime>>::on_finalize(block_number);
+ <snowbridge_pallet_outbound_queue::Pallet<Runtime>>::on_finalize(block_number);
+ <frame_system::Pallet<Runtime>>::on_finalize(block_number);
+
+ // start next block
+ <frame_system::Pallet<Runtime>>::set_block_number(next_block_number);
+ <frame_system::Pallet<Runtime>>::on_initialize(next_block_number);
+ <snowbridge_pallet_outbound_queue::Pallet<Runtime>>::on_initialize(next_block_number);
+ <pallet_message_queue::Pallet<Runtime>>::on_initialize(next_block_number);
+
+ // finish next block
+ <pallet_message_queue::Pallet<Runtime>>::on_finalize(next_block_number);
+ <snowbridge_pallet_outbound_queue::Pallet<Runtime>>::on_finalize(next_block_number);
+ let included_head = <frame_system::Pallet<Runtime>>::finalize();
+
+ let origin: ParaId = assethub_parachain_id.into();
+ let channel_id: ChannelId = origin.into();
+
+ let nonce = snowbridge_pallet_outbound_queue::Nonce::<Runtime>::try_get(channel_id);
+ assert_ok!(nonce);
+ assert_eq!(nonce.unwrap(), 1);
+
+ let digest = included_head.digest();
+
+ //let digest = frame_system::Pallet::<Runtime>::digest();
+ let digest_items = digest.logs();
+ assert!(digest_items.len() == 1 && digest_items[0].as_other().is_some());
+ });
+}
+
+pub fn send_unpaid_transfer_token_message<Runtime, XcmConfig>(
+ collator_session_key: CollatorSessionKeys<Runtime>,
+ runtime_para_id: u32,
+ assethub_parachain_id: u32,
+ weth_contract_address: H160,
+ destination_contract: H160,
+) where
+ Runtime: frame_system::Config
+ + pallet_balances::Config
+ + pallet_session::Config
+ + pallet_xcm::Config
+ + parachain_info::Config
+ + pallet_collator_selection::Config
+ + cumulus_pallet_parachain_system::Config
+ + snowbridge_pallet_outbound_queue::Config,
+ XcmConfig: xcm_executor::Config,
+ ValidatorIdOf<Runtime>: From<AccountIdOf<Runtime>>,
+{
+ let assethub_parachain_location = Location::new(1, Parachain(assethub_parachain_id));
+
+ ExtBuilder::<Runtime>::default()
+ .with_collators(collator_session_key.collators())
+ .with_session_keys(collator_session_key.session_keys())
+ .with_para_id(runtime_para_id.into())
+ .with_tracing()
+ .build()
+ .execute_with(|| {
+ let asset_hub_sovereign_account =
+ snowbridge_core::sibling_sovereign_account::<Runtime>(assethub_parachain_id.into());
+
+ <pallet_balances::Pallet<Runtime>>::mint_into(
+ &asset_hub_sovereign_account,
+ 4000000000u32.into(),
+ )
+ .unwrap();
+
+ let asset = Asset {
+ id: AssetId(Location::new(
+ 0,
+ [AccountKey20 { network: None, key: weth_contract_address.into() }],
+ )),
+ fun: Fungible(1000000000),
+ };
+ let assets = vec![asset.clone()];
+
+ let inner_xcm = Xcm(vec![
+ WithdrawAsset(Assets::from(assets.clone())),
+ ClearOrigin,
+ BuyExecution { fees: asset, weight_limit: Unlimited },
+ DepositAsset {
+ assets: Wild(AllCounted(1)),
+ beneficiary: Location::new(
+ 0,
+ [AccountKey20 { network: None, key: destination_contract.into() }],
+ ),
+ },
+ SetTopic([0; 32]),
+ ]);
+
+ // prepare transfer token message
+ let xcm = Xcm(vec![
+ UnpaidExecution { weight_limit: Unlimited, check_origin: None },
+ ExportMessage {
+ network: Ethereum { chain_id: 11155111 },
+ destination: Here,
+ xcm: inner_xcm,
+ },
+ ]);
+
+ // execute XCM
+ let mut hash = xcm.using_encoded(sp_io::hashing::blake2_256);
+ let outcome = XcmExecutor::<XcmConfig>::prepare_and_execute(
+ assethub_parachain_location,
+ xcm,
+ &mut hash,
+ RuntimeHelper::<Runtime>::xcm_max_weight(XcmReceivedFrom::Sibling),
+ Weight::zero(),
+ );
+ // check error is barrier
+ assert_err!(outcome.ensure_complete(), Barrier);
+ });
+}
+
+#[allow(clippy::too_many_arguments)]
+pub fn send_transfer_token_message_failure<Runtime, XcmConfig>(
+ collator_session_key: CollatorSessionKeys<Runtime>,
+ runtime_para_id: u32,
+ assethub_parachain_id: u32,
+ initial_amount: u128,
+ weth_contract_address: H160,
+ destination_address: H160,
+ fee_amount: u128,
+ expected_error: Error,
+) where
+ Runtime: frame_system::Config
+ + pallet_balances::Config
+ + pallet_session::Config
+ + pallet_xcm::Config
+ + parachain_info::Config
+ + pallet_collator_selection::Config
+ + cumulus_pallet_parachain_system::Config
+ + snowbridge_pallet_outbound_queue::Config
+ + snowbridge_pallet_system::Config,
+ XcmConfig: xcm_executor::Config,
+ ValidatorIdOf<Runtime>: From<AccountIdOf<Runtime>>,
+{
+ ExtBuilder::<Runtime>::default()
+ .with_collators(collator_session_key.collators())
+ .with_session_keys(collator_session_key.session_keys())
+ .with_para_id(runtime_para_id.into())
+ .with_tracing()
+ .build()
+ .execute_with(|| {
+ <snowbridge_pallet_system::Pallet<Runtime>>::initialize(
+ runtime_para_id.into(),
+ assethub_parachain_id.into(),
+ )
+ .unwrap();
+
+ // fund asset hub sovereign account enough so it can pay fees
+ initial_fund::<Runtime>(assethub_parachain_id, initial_amount);
+
+ let outcome = send_transfer_token_message::<Runtime, XcmConfig>(
+ assethub_parachain_id,
+ weth_contract_address,
+ destination_address,
+ fee_amount,
+ );
+ assert_err!(outcome.ensure_complete(), expected_error);
+ });
+}
+
+pub fn ethereum_extrinsic<Runtime>(
+ collator_session_key: CollatorSessionKeys<Runtime>,
+ runtime_para_id: u32,
+ construct_and_apply_extrinsic: fn(
+ sp_keyring::AccountKeyring,
+ <Runtime as frame_system::Config>::RuntimeCall,
+ ) -> sp_runtime::DispatchOutcome,
+) where
+ Runtime: frame_system::Config
+ + pallet_balances::Config
+ + pallet_session::Config
+ + pallet_xcm::Config
+ + pallet_utility::Config
+ + parachain_info::Config
+ + pallet_collator_selection::Config
+ + cumulus_pallet_parachain_system::Config
+ + snowbridge_pallet_outbound_queue::Config
+ + snowbridge_pallet_system::Config
+ + snowbridge_pallet_ethereum_client::Config,
+ ValidatorIdOf<Runtime>: From<AccountIdOf<Runtime>>,
+ <Runtime as pallet_utility::Config>::RuntimeCall:
+ From<snowbridge_pallet_ethereum_client::Call<Runtime>>,
+ <Runtime as frame_system::Config>::RuntimeCall: From<pallet_utility::Call<Runtime>>,
+ AccountIdOf<Runtime>: From<AccountId32>,
+{
+ ExtBuilder::<Runtime>::default()
+ .with_collators(collator_session_key.collators())
+ .with_session_keys(collator_session_key.session_keys())
+ .with_para_id(runtime_para_id.into())
+ .with_tracing()
+ .build()
+ .execute_with(|| {
+ let initial_checkpoint = make_checkpoint();
+ let update = make_finalized_header_update();
+ let sync_committee_update = make_sync_committee_update();
+ let execution_header_update = make_execution_header_update();
+
+ let alice = Alice;
+ let alice_account = alice.to_account_id();
+ <pallet_balances::Pallet<Runtime>>::mint_into(
+ &alice_account.into(),
+ 10_000_000_000_000_u128.saturated_into::<BalanceOf<Runtime>>(),
+ )
+ .unwrap();
+
+ assert_ok!(<snowbridge_pallet_ethereum_client::Pallet<Runtime>>::force_checkpoint(
+ RuntimeHelper::<Runtime>::root_origin(),
+ initial_checkpoint,
+ ));
+
+ let update_call: <Runtime as pallet_utility::Config>::RuntimeCall =
+ snowbridge_pallet_ethereum_client::Call::<Runtime>::submit {
+ update: Box::new(*update),
+ }
+ .into();
+
+ let update_sync_committee_call: <Runtime as pallet_utility::Config>::RuntimeCall =
+ snowbridge_pallet_ethereum_client::Call::<Runtime>::submit {
+ update: Box::new(*sync_committee_update),
+ }
+ .into();
+
+ let execution_header_call: <Runtime as pallet_utility::Config>::RuntimeCall =
+ snowbridge_pallet_ethereum_client::Call::<Runtime>::submit_execution_header {
+ update: Box::new(*execution_header_update),
+ }
+ .into();
+
+ let update_outcome = construct_and_apply_extrinsic(alice, update_call.into());
+ assert_ok!(update_outcome);
+
+ let sync_committee_outcome =
+ construct_and_apply_extrinsic(alice, update_sync_committee_call.into());
+ assert_ok!(sync_committee_outcome);
+
+ let execution_header_outcome =
+ construct_and_apply_extrinsic(alice, execution_header_call.into());
+ assert_ok!(execution_header_outcome);
+ });
+}
+
+pub fn ethereum_to_polkadot_message_extrinsics_work<Runtime>(
+ collator_session_key: CollatorSessionKeys<Runtime>,
+ runtime_para_id: u32,
+ construct_and_apply_extrinsic: fn(
+ sp_keyring::AccountKeyring,
+ <Runtime as frame_system::Config>::RuntimeCall,
+ ) -> sp_runtime::DispatchOutcome,
+) where
+ Runtime: frame_system::Config
+ + pallet_balances::Config
+ + pallet_session::Config
+ + pallet_xcm::Config
+ + pallet_utility::Config
+ + parachain_info::Config
+ + pallet_collator_selection::Config
+ + cumulus_pallet_parachain_system::Config
+ + snowbridge_pallet_outbound_queue::Config
+ + snowbridge_pallet_system::Config
+ + snowbridge_pallet_ethereum_client::Config,
+ ValidatorIdOf<Runtime>: From<AccountIdOf<Runtime>>,
+ <Runtime as pallet_utility::Config>::RuntimeCall:
+ From<snowbridge_pallet_ethereum_client::Call<Runtime>>,
+ <Runtime as frame_system::Config>::RuntimeCall: From<pallet_utility::Call<Runtime>>,
+ AccountIdOf<Runtime>: From<AccountId32>,
+{
+ ExtBuilder::<Runtime>::default()
+ .with_collators(collator_session_key.collators())
+ .with_session_keys(collator_session_key.session_keys())
+ .with_para_id(runtime_para_id.into())
+ .with_tracing()
+ .build()
+ .execute_with(|| {
+ let initial_checkpoint = make_checkpoint();
+ let sync_committee_update = make_sync_committee_update();
+ let execution_header_update = make_execution_header_update();
+
+ let alice = Alice;
+ let alice_account = alice.to_account_id();
+ <pallet_balances::Pallet<Runtime>>::mint_into(
+ &alice_account.into(),
+ 10_000_000_000_000_u128.saturated_into::<BalanceOf<Runtime>>(),
+ )
+ .unwrap();
+
+ assert_ok!(<snowbridge_pallet_ethereum_client::Pallet<Runtime>>::force_checkpoint(
+ RuntimeHelper::<Runtime>::root_origin(),
+ initial_checkpoint,
+ ));
+
+ let update_sync_committee_call: <Runtime as pallet_utility::Config>::RuntimeCall =
+ snowbridge_pallet_ethereum_client::Call::<Runtime>::submit {
+ update: Box::new(*sync_committee_update),
+ }
+ .into();
+
+ let execution_header_call: <Runtime as pallet_utility::Config>::RuntimeCall =
+ snowbridge_pallet_ethereum_client::Call::<Runtime>::submit_execution_header {
+ update: Box::new(*execution_header_update),
+ }
+ .into();
+
+ let sync_committee_outcome =
+ construct_and_apply_extrinsic(alice, update_sync_committee_call.into());
+ assert_ok!(sync_committee_outcome);
+
+ let execution_header_outcome =
+ construct_and_apply_extrinsic(alice, execution_header_call.into());
+ assert_ok!(execution_header_outcome);
+ });
+}
diff --git a/bridges/snowbridge/rustfmt.toml b/bridges/snowbridge/rustfmt.toml
new file mode 100644
index 0000000000000..c34215391239c
--- /dev/null
+++ b/bridges/snowbridge/rustfmt.toml
@@ -0,0 +1,24 @@
+# Basic
+edition = "2021"
+hard_tabs = true
+max_width = 100
+use_small_heuristics = "Max"
+# Imports
+imports_granularity = "Crate"
+reorder_imports = true
+# Consistency
+newline_style = "Unix"
+# Misc
+chain_width = 80
+spaces_around_ranges = false
+binop_separator = "Back"
+reorder_impl_items = false
+match_arm_leading_pipes = "Preserve"
+match_arm_blocks = false
+match_block_trailing_comma = true
+trailing_comma = "Vertical"
+trailing_semicolon = false
+use_field_init_shorthand = true
+# Format comments
+comment_width = 100
+wrap_comments = true
diff --git a/bridges/snowbridge/scripts/benchmark.sh b/bridges/snowbridge/scripts/benchmark.sh
new file mode 100755
index 0000000000000..c9a561b33c48d
--- /dev/null
+++ b/bridges/snowbridge/scripts/benchmark.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+# Example command for updating pallet benchmarking
+pushd ../cumulus
+cargo run --release --bin polkadot-parachain \
+--features runtime-benchmarks \
+-- \
+benchmark pallet \
+--chain=bridge-hub-rococo-dev \
+--pallet=snowbridge_pallet_ethereum_client \
+--extrinsic="*" \
+--execution=wasm --wasm-execution=compiled \
+--steps 50 --repeat 20 \
+--output ./parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/snowbridge_pallet_ethereum_client.rs
+popd
diff --git a/bridges/snowbridge/scripts/contribute-upstream.sh b/bridges/snowbridge/scripts/contribute-upstream.sh
new file mode 100755
index 0000000000000..8aa2d2a7035e2
--- /dev/null
+++ b/bridges/snowbridge/scripts/contribute-upstream.sh
@@ -0,0 +1,80 @@
+#!/bin/bash
+
+# A script to cleanup the Snowfork fork of the polkadot-sdk to contribute it upstream back to parity/polkadot-sdk
+# ./bridges/snowbridge/scripts/contribute-upstream.sh <branchname>
+
+# show CLI help
+function show_help() {
+ set +x
+ echo " "
+ echo Error: $1
+ echo "Usage:"
+ echo " ./bridges/snowbridge/scripts/contribute-upstream.sh <branchname> Exit with code 0 if pallets code is well decoupled from the other code in the repo"
+ exit 1
+}
+
+if [[ -z "$1" ]]; then
+ echo "Please provide a branch name you would like your upstream branch to be named"
+ exit 1
+fi
+
+branch_name=$1
+
+set -eux
+
+# let's avoid any restrictions on where this script can be called for - snowbridge repo may be
+# plugged into any other repo folder. So the script (and other stuff that needs to be removed)
+# may be located either in call dir, or one of it subdirs.
+SNOWBRIDGE_FOLDER="$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/../"
+
+# Get the current Git branch name
+current_branch=$(git rev-parse --abbrev-ref HEAD)
+
+if [ "$current_branch" = "$branch_name" ] || git branch | grep -q "$branch_name"; then
+ echo "Already on requested branch or branch exists, not creating."
+else
+ git branch "$branch_name"
+fi
+
+git checkout "$branch_name"
+
+# remove everything we think is not required for our needs
+rm -rf rust-toolchain.toml
+rm -rf $SNOWBRIDGE_FOLDER/.cargo
+rm -rf $SNOWBRIDGE_FOLDER/.github
+rm -rf $SNOWBRIDGE_FOLDER/SECURITY.md
+rm -rf $SNOWBRIDGE_FOLDER/.gitignore
+rm -rf $SNOWBRIDGE_FOLDER/templates
+rm -rf $SNOWBRIDGE_FOLDER/pallets/ethereum-client/fuzz
+
+pushd $SNOWBRIDGE_FOLDER
+
+# let's test if everything we need compiles
+cargo check -p snowbridge-pallet-ethereum-client
+cargo check -p snowbridge-pallet-ethereum-client --features runtime-benchmarks
+cargo check -p snowbridge-pallet-ethereum-client --features try-runtime
+cargo check -p snowbridge-pallet-inbound-queue
+cargo check -p snowbridge-pallet-inbound-queue --features runtime-benchmarks
+cargo check -p snowbridge-pallet-inbound-queue --features try-runtime
+cargo check -p snowbridge-pallet-outbound-queue
+cargo check -p snowbridge-pallet-outbound-queue --features runtime-benchmarks
+cargo check -p snowbridge-pallet-outbound-queue --features try-runtime
+cargo check -p snowbridge-pallet-system
+cargo check -p snowbridge-pallet-system --features runtime-benchmarks
+cargo check -p snowbridge-pallet-system --features try-runtime
+
+# we're removing lock file after all checks are done. Otherwise we may use different
+# Substrate/Polkadot/Cumulus commits and our checks will fail
+rm -f $SNOWBRIDGE_FOLDER/Cargo.toml
+rm -f $SNOWBRIDGE_FOLDER/Cargo.lock
+
+popd
+
+# Replace Parity's CI files, that we have overwritten in our fork, to run our own CI
+rm -rf .github
+git remote -v | grep -w parity || git remote add parity https://github.com/paritytech/polkadot-sdk
+git fetch parity master
+git checkout parity/master -- .github
+git add -- .github
+
+echo "OK"
diff --git a/bridges/snowbridge/scripts/hexliteral.sh b/bridges/snowbridge/scripts/hexliteral.sh
new file mode 100755
index 0000000000000..e34a2b9b5151a
--- /dev/null
+++ b/bridges/snowbridge/scripts/hexliteral.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+# Creates a string constant from STDIN
+echo "const DATA: &'static str = concat!("
+cat - | fold | sed 's/^.*/\t"&",/'
+echo ");"
\ No newline at end of file
diff --git a/bridges/snowbridge/scripts/init.sh b/bridges/snowbridge/scripts/init.sh
new file mode 100755
index 0000000000000..1405a41ef333e
--- /dev/null
+++ b/bridges/snowbridge/scripts/init.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+set -e
+
+echo "*** Initializing WASM build environment"
+
+if [ -z $CI_PROJECT_NAME ] ; then
+ rustup update nightly
+ rustup update stable
+fi
+
+rustup target add wasm32-unknown-unknown --toolchain nightly
diff --git a/bridges/snowbridge/scripts/make-build-config.sh b/bridges/snowbridge/scripts/make-build-config.sh
new file mode 100755
index 0000000000000..a1b116a5dd0c1
--- /dev/null
+++ b/bridges/snowbridge/scripts/make-build-config.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+cd ../ethereum
+
+truffle exec scripts/dumpParachainConfig.js | sed '/^Using/d;/^$/d'
diff --git a/bridges/snowbridge/scripts/verify-pallets-build.sh b/bridges/snowbridge/scripts/verify-pallets-build.sh
new file mode 100755
index 0000000000000..a62f48c84d4fd
--- /dev/null
+++ b/bridges/snowbridge/scripts/verify-pallets-build.sh
@@ -0,0 +1,116 @@
+#!/bin/bash
+
+# A script to remove everything from snowbridge repository/subtree, except:
+#
+# - parachain
+# - readme
+# - license
+
+set -eu
+
+# show CLI help
+function show_help() {
+ set +x
+ echo " "
+ echo Error: $1
+ echo "Usage:"
+ echo " ./scripts/verify-pallets-build.sh Exit with code 0 if pallets code is well decoupled from the other code in the repo"
+ echo "Options:"
+ echo " --no-revert Leaves only runtime code on exit"
+ echo " --ignore-git-state Ignores git actual state"
+ exit 1
+}
+
+# parse CLI args
+NO_REVERT=
+IGNORE_GIT_STATE=
+for i in "$@"
+do
+ case $i in
+ --no-revert)
+ NO_REVERT=true
+ shift
+ ;;
+ --ignore-git-state)
+ IGNORE_GIT_STATE=true
+ shift
+ ;;
+ *)
+ show_help "Unknown option: $i"
+ ;;
+ esac
+done
+
+# the script is able to work only on clean git copy, unless we want to ignore this check
+[[ ! -z "${IGNORE_GIT_STATE}" ]] || [[ -z "$(git status --porcelain)" ]] || { echo >&2 "The git copy must be clean"; exit 1; }
+
+# let's avoid any restrictions on where this script can be called for - snowbridge repo may be
+# plugged into any other repo folder. So the script (and other stuff that needs to be removed)
+# may be located either in call dir, or one of it subdirs.
+SNOWBRIDGE_FOLDER="$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )/../.."
+
+# remove everything we think is not required for our needs
+rm -rf $SNOWBRIDGE_FOLDER/.cargo
+rm -rf $SNOWBRIDGE_FOLDER/.github
+rm -rf $SNOWBRIDGE_FOLDER/contracts
+rm -rf $SNOWBRIDGE_FOLDER/codecov.yml
+rm -rf $SNOWBRIDGE_FOLDER/docs
+rm -rf $SNOWBRIDGE_FOLDER/hooks
+rm -rf $SNOWBRIDGE_FOLDER/relayer
+rm -rf $SNOWBRIDGE_FOLDER/scripts
+rm -rf $SNOWBRIDGE_FOLDER/SECURITY.md
+rm -rf $SNOWBRIDGE_FOLDER/smoketest
+rm -rf $SNOWBRIDGE_FOLDER/web
+rm -rf $SNOWBRIDGE_FOLDER/.envrc-example
+rm -rf $SNOWBRIDGE_FOLDER/.gitbook.yaml
+rm -rf $SNOWBRIDGE_FOLDER/.gitignore
+rm -rf $SNOWBRIDGE_FOLDER/.gitmodules
+rm -rf $SNOWBRIDGE_FOLDER/_typos.toml
+rm -rf $SNOWBRIDGE_FOLDER/_codecov.yml
+rm -rf $SNOWBRIDGE_FOLDER/flake.lock
+rm -rf $SNOWBRIDGE_FOLDER/flake.nix
+rm -rf $SNOWBRIDGE_FOLDER/go.work
+rm -rf $SNOWBRIDGE_FOLDER/go.work.sum
+rm -rf $SNOWBRIDGE_FOLDER/polkadot-sdk
+rm -rf $SNOWBRIDGE_FOLDER/rust-toolchain.toml
+rm -rf $SNOWBRIDGE_FOLDER/parachain/rustfmt.toml
+rm -rf $SNOWBRIDGE_FOLDER/parachain/.gitignore
+rm -rf $SNOWBRIDGE_FOLDER/parachain/templates
+rm -rf $SNOWBRIDGE_FOLDER/parachain/.cargo
+rm -rf $SNOWBRIDGE_FOLDER/parachain/.config
+rm -rf $SNOWBRIDGE_FOLDER/parachain/pallets/ethereum-client/fuzz
+
+cd bridges/snowbridge/parachain
+
+# fix polkadot-sdk paths in Cargo.toml files
+find "." -name 'Cargo.toml' | while read -r file; do
+ replace=$(printf '../../' )
+ if [[ "$(uname)" = "Darwin" ]] || [[ "$(uname)" = *BSD ]]; then
+ sed -i '' "s|polkadot-sdk/|$replace|g" "$file"
+ else
+ sed -i "s|polkadot-sdk/|$replace|g" "$file"
+ fi
+done
+
+# let's test if everything we need compiles
+cargo check -p snowbridge-pallet-ethereum-client
+cargo check -p snowbridge-pallet-ethereum-client --features runtime-benchmarks
+cargo check -p snowbridge-pallet-ethereum-client --features try-runtime
+cargo check -p snowbridge-pallet-inbound-queue
+cargo check -p snowbridge-pallet-inbound-queue --features runtime-benchmarks
+cargo check -p snowbridge-pallet-inbound-queue --features try-runtime
+cargo check -p snowbridge-pallet-outbound-queue
+cargo check -p snowbridge-pallet-outbound-queue --features runtime-benchmarks
+cargo check -p snowbridge-pallet-outbound-queue --features try-runtime
+cargo check -p snowbridge-pallet-system
+cargo check -p snowbridge-pallet-system --features runtime-benchmarks
+cargo check -p snowbridge-pallet-system --features try-runtime
+
+cd -
+
+# we're removing lock file after all checks are done. Otherwise we may use different
+# Substrate/Polkadot/Cumulus commits and our checks will fail
+rm -f $SNOWBRIDGE_FOLDER/parachain/Cargo.toml
+rm -f $SNOWBRIDGE_FOLDER/parachain/Cargo.lock
+
+echo "OK"
diff --git a/bridges/snowbridge/templates/benchmarking-fixtures.mustache b/bridges/snowbridge/templates/benchmarking-fixtures.mustache
new file mode 100644
index 0000000000000..abeab79a53260
--- /dev/null
+++ b/bridges/snowbridge/templates/benchmarking-fixtures.mustache
@@ -0,0 +1,179 @@
+// Generated, do not edit!
+// See README.md for instructions to generate
+use crate::{
+ CheckpointUpdate, ExecutionHeaderUpdate, Update,
+};
+use hex_literal::hex;
+use primitives::{
+ types::deneb, updates::AncestryProof, BeaconHeader, NextSyncCommitteeUpdate, SyncAggregate,
+ SyncCommittee, VersionedExecutionPayloadHeader,
+};
+use sp_core::U256;
+use sp_std::{boxed::Box, vec};
+
+pub fn make_checkpoint() -> Box<CheckpointUpdate> {
+ Box::new(CheckpointUpdate {
+ header: BeaconHeader {
+ slot: {{CheckpointUpdate.Header.Slot}},
+ proposer_index: {{CheckpointUpdate.Header.ProposerIndex}},
+ parent_root: hex!("{{CheckpointUpdate.Header.ParentRoot}}").into(),
+ state_root: hex!("{{CheckpointUpdate.Header.StateRoot}}").into(),
+ body_root: hex!("{{CheckpointUpdate.Header.BodyRoot}}").into(),
+ },
+ current_sync_committee: SyncCommittee {
+ pubkeys: [
+ {{#CheckpointUpdate.CurrentSyncCommittee.Pubkeys}}
+ hex!("{{.}}").into(),
+ {{/CheckpointUpdate.CurrentSyncCommittee.Pubkeys}}
+ ],
+ aggregate_pubkey: hex!("{{CheckpointUpdate.CurrentSyncCommittee.AggregatePubkey}}").into(),
+ },
+ current_sync_committee_branch: vec![
+ {{#CheckpointUpdate.CurrentSyncCommitteeBranch}}
+ hex!("{{.}}").into(),
+ {{/CheckpointUpdate.CurrentSyncCommitteeBranch}}
+ ],
+ validators_root: hex!("{{CheckpointUpdate.ValidatorsRoot}}").into(),
+ block_roots_root: hex!("{{CheckpointUpdate.BlockRootsRoot}}").into(),
+ block_roots_branch: vec![
+ {{#CheckpointUpdate.BlockRootsBranch}}
+ hex!("{{.}}").into(),
+ {{/CheckpointUpdate.BlockRootsBranch}}
+ ],
+ })
+}
+
+pub fn make_sync_committee_update() -> Box<Update> {
+ Box::new(Update {
+ attested_header: BeaconHeader {
+ slot: {{SyncCommitteeUpdate.AttestedHeader.Slot}},
+ proposer_index: {{SyncCommitteeUpdate.AttestedHeader.ProposerIndex}},
+ parent_root: hex!("{{SyncCommitteeUpdate.AttestedHeader.ParentRoot}}").into(),
+ state_root: hex!("{{SyncCommitteeUpdate.AttestedHeader.StateRoot}}").into(),
+ body_root: hex!("{{SyncCommitteeUpdate.AttestedHeader.BodyRoot}}").into(),
+ },
+ sync_aggregate: SyncAggregate{
+ sync_committee_bits: hex!("{{SyncCommitteeUpdate.SyncAggregate.SyncCommitteeBits}}"),
+ sync_committee_signature: hex!("{{SyncCommitteeUpdate.SyncAggregate.SyncCommitteeSignature}}").into(),
+ },
+ signature_slot: {{SyncCommitteeUpdate.SignatureSlot}},
+ next_sync_committee_update: Some(NextSyncCommitteeUpdate {
+ next_sync_committee: SyncCommittee {
+ pubkeys: [
+ {{#SyncCommitteeUpdate.NextSyncCommitteeUpdate.NextSyncCommittee.Pubkeys}}
+ hex!("{{.}}").into(),
+ {{/SyncCommitteeUpdate.NextSyncCommitteeUpdate.NextSyncCommittee.Pubkeys}}
+ ],
+ aggregate_pubkey: hex!("{{SyncCommitteeUpdate.NextSyncCommitteeUpdate.NextSyncCommittee.AggregatePubkey}}").into(),
+ },
+ next_sync_committee_branch: vec![
+ {{#SyncCommitteeUpdate.NextSyncCommitteeUpdate.NextSyncCommitteeBranch}}
+ hex!("{{.}}").into(),
+ {{/SyncCommitteeUpdate.NextSyncCommitteeUpdate.NextSyncCommitteeBranch}}
+ ],
+ }),
+ finalized_header: BeaconHeader{
+ slot: {{SyncCommitteeUpdate.FinalizedHeader.Slot}},
+ proposer_index: {{SyncCommitteeUpdate.FinalizedHeader.ProposerIndex}},
+ parent_root: hex!("{{SyncCommitteeUpdate.FinalizedHeader.ParentRoot}}").into(),
+ state_root: hex!("{{SyncCommitteeUpdate.FinalizedHeader.StateRoot}}").into(),
+ body_root: hex!("{{SyncCommitteeUpdate.FinalizedHeader.BodyRoot}}").into(),
+ },
+ finality_branch: vec![
+ {{#SyncCommitteeUpdate.FinalityBranch}}
+ hex!("{{.}}").into(),
+ {{/SyncCommitteeUpdate.FinalityBranch}}
+ ],
+ block_roots_root: hex!("{{SyncCommitteeUpdate.BlockRootsRoot}}").into(),
+ block_roots_branch: vec![
+ {{#SyncCommitteeUpdate.BlockRootsBranch}}
+ hex!("{{.}}").into(),
+ {{/SyncCommitteeUpdate.BlockRootsBranch}}
+ ],
+ })
+}
+
+pub fn make_finalized_header_update() -> Box<Update> {
+ Box::new(Update {
+ attested_header: BeaconHeader {
+ slot: {{FinalizedHeaderUpdate.AttestedHeader.Slot}},
+ proposer_index: {{FinalizedHeaderUpdate.AttestedHeader.ProposerIndex}},
+ parent_root: hex!("{{FinalizedHeaderUpdate.AttestedHeader.ParentRoot}}").into(),
+ state_root: hex!("{{FinalizedHeaderUpdate.AttestedHeader.StateRoot}}").into(),
+ body_root: hex!("{{FinalizedHeaderUpdate.AttestedHeader.BodyRoot}}").into(),
+ },
+ sync_aggregate: SyncAggregate{
+ sync_committee_bits: hex!("{{FinalizedHeaderUpdate.SyncAggregate.SyncCommitteeBits}}"),
+ sync_committee_signature: hex!("{{FinalizedHeaderUpdate.SyncAggregate.SyncCommitteeSignature}}").into(),
+ },
+ signature_slot: {{FinalizedHeaderUpdate.SignatureSlot}},
+ next_sync_committee_update: None,
+ finalized_header: BeaconHeader {
+ slot: {{FinalizedHeaderUpdate.FinalizedHeader.Slot}},
+ proposer_index: {{FinalizedHeaderUpdate.FinalizedHeader.ProposerIndex}},
+ parent_root: hex!("{{FinalizedHeaderUpdate.FinalizedHeader.ParentRoot}}").into(),
+ state_root: hex!("{{FinalizedHeaderUpdate.FinalizedHeader.StateRoot}}").into(),
+ body_root: hex!("{{FinalizedHeaderUpdate.FinalizedHeader.BodyRoot}}").into(),
+ },
+ finality_branch: vec![
+ {{#FinalizedHeaderUpdate.FinalityBranch}}
+ hex!("{{.}}").into(),
+ {{/FinalizedHeaderUpdate.FinalityBranch}}
+ ],
+ block_roots_root: hex!("{{FinalizedHeaderUpdate.BlockRootsRoot}}").into(),
+ block_roots_branch: vec![
+ {{#FinalizedHeaderUpdate.BlockRootsBranch}}
+ hex!("{{.}}").into(),
+ {{/FinalizedHeaderUpdate.BlockRootsBranch}}
+ ]
+ })
+}
+
+pub fn make_execution_header_update() -> Box<ExecutionHeaderUpdate> {
+ Box::new(ExecutionHeaderUpdate {
+ header: BeaconHeader {
+ slot: {{HeaderUpdate.Header.Slot}},
+ proposer_index: {{HeaderUpdate.Header.ProposerIndex}},
+ parent_root: hex!("{{HeaderUpdate.Header.ParentRoot}}").into(),
+ state_root: hex!("{{HeaderUpdate.Header.StateRoot}}").into(),
+ body_root: hex!("{{HeaderUpdate.Header.BodyRoot}}").into(),
+ },
+ {{#HeaderUpdate.AncestryProof}}
+ ancestry_proof: Some(AncestryProof {
+ header_branch: vec![
+ {{#HeaderUpdate.AncestryProof.HeaderBranch}}
+ hex!("{{.}}").into(),
+ {{/HeaderUpdate.AncestryProof.HeaderBranch}}
+ ],
+ finalized_block_root: hex!("{{HeaderUpdate.AncestryProof.FinalizedBlockRoot}}").into(),
+ }),
+ {{/HeaderUpdate.AncestryProof}}
+ {{^HeaderUpdate.AncestryProof}}
+ ancestry_proof: None,
+ {{/HeaderUpdate.AncestryProof}}
+ execution_header: VersionedExecutionPayloadHeader::Deneb(deneb::ExecutionPayloadHeader {
+ parent_hash: hex!("{{HeaderUpdate.ExecutionHeader.Deneb.ParentHash}}").into(),
+ fee_recipient: hex!("{{HeaderUpdate.ExecutionHeader.Deneb.FeeRecipient}}").into(),
+ state_root: hex!("{{HeaderUpdate.ExecutionHeader.Deneb.StateRoot}}").into(),
+ receipts_root: hex!("{{HeaderUpdate.ExecutionHeader.Deneb.ReceiptsRoot}}").into(),
+ logs_bloom: hex!("{{HeaderUpdate.ExecutionHeader.Deneb.LogsBloom}}").into(),
+ prev_randao: hex!("{{HeaderUpdate.ExecutionHeader.Deneb.PrevRandao}}").into(),
+ block_number: {{HeaderUpdate.ExecutionHeader.Deneb.BlockNumber}},
+ gas_limit: {{HeaderUpdate.ExecutionHeader.Deneb.GasLimit}},
+ gas_used: {{HeaderUpdate.ExecutionHeader.Deneb.GasUsed}},
+ timestamp: {{HeaderUpdate.ExecutionHeader.Deneb.Timestamp}},
+ extra_data: hex!("{{HeaderUpdate.ExecutionHeader.Deneb.ExtraData}}").into(),
+ base_fee_per_gas: U256::from({{HeaderUpdate.ExecutionHeader.Deneb.BaseFeePerGas}}u64),
+ block_hash: hex!("{{HeaderUpdate.ExecutionHeader.Deneb.BlockHash}}").into(),
+ transactions_root: hex!("{{HeaderUpdate.ExecutionHeader.Deneb.TransactionRoot}}").into(),
+ withdrawals_root: hex!("{{HeaderUpdate.ExecutionHeader.Deneb.WithdrawalsRoot}}").into(),
+ blob_gas_used: {{HeaderUpdate.ExecutionHeader.Deneb.BlobGasUsed}},
+ excess_blob_gas: {{HeaderUpdate.ExecutionHeader.Deneb.ExcessBlobGas}},
+ }),
+ execution_branch: vec![
+ {{#HeaderUpdate.ExecutionBranch}}
+ hex!("{{.}}").into(),
+ {{/HeaderUpdate.ExecutionBranch}}
+ ],
+ })
+}
diff --git a/bridges/snowbridge/templates/module-weight-template.hbs b/bridges/snowbridge/templates/module-weight-template.hbs
new file mode 100644
index 0000000000000..5919a7cc7c148
--- /dev/null
+++ b/bridges/snowbridge/templates/module-weight-template.hbs
@@ -0,0 +1,74 @@
+{{header}}
+//! Autogenerated weights for `{{pallet}}`
+//!
+//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION {{version}}
+//! DATE: {{date}}, STEPS: `{{cmd.steps}}`, REPEAT: `{{cmd.repeat}}`, LOW RANGE: `{{cmd.lowest_range_values}}`, HIGH RANGE: `{{cmd.highest_range_values}}`
+//! WORST CASE MAP SIZE: `{{cmd.worst_case_map_values}}`
+//! HOSTNAME: `{{hostname}}`, CPU: `{{cpuname}}`
+//! WASM-EXECUTION: `{{cmd.wasm_execution}}`, CHAIN: `{{cmd.chain}}`, DB CACHE: `{{cmd.db_cache}}`
+
+// Executed Command:
+{{#each args as |arg|}}
+// {{arg}}
+{{/each}}
+
+#![cfg_attr(rustfmt, rustfmt_skip)]
+#![allow(unused_parens)]
+#![allow(unused_imports)]
+#![allow(missing_docs)]
+
+use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
+use core::marker::PhantomData;
+
+/// Weight functions needed for `{{pallet}}`.
+pub trait WeightInfo {
+ {{#each benchmarks as |benchmark|}}
+ fn {{benchmark.name~}}
+ (
+ {{~#each benchmark.components as |c| ~}}
+ {{c.name}}: u32, {{/each~}}
+ ) -> Weight;
+ {{/each}}
+}
+
+// For backwards compatibility and tests.
+impl WeightInfo for () {
+ {{#each benchmarks as |benchmark|}}
+ {{#each benchmark.comments as |comment|}}
+ /// {{comment}}
+ {{/each}}
+ {{#each benchmark.component_ranges as |range|}}
+ /// The range of component `{{range.name}}` is `[{{range.min}}, {{range.max}}]`.
+ {{/each}}
+ fn {{benchmark.name~}}
+ (
+ {{~#each benchmark.components as |c| ~}}
+ {{~#if (not c.is_used)}}_{{/if}}{{c.name}}: u32, {{/each~}}
+ ) -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `{{benchmark.base_recorded_proof_size}}{{#each benchmark.component_recorded_proof_size as |cp|}} + {{cp.name}} * ({{cp.slope}} ±{{underscore cp.error}}){{/each}}`
+ // Estimated: `{{benchmark.base_calculated_proof_size}}{{#each benchmark.component_calculated_proof_size as |cp|}} + {{cp.name}} * ({{cp.slope}} ±{{underscore cp.error}}){{/each}}`
+ // Minimum execution time: {{underscore benchmark.min_execution_time}}_000 picoseconds.
+ Weight::from_parts({{underscore benchmark.base_weight}}, {{benchmark.base_calculated_proof_size}})
+ {{#each benchmark.component_weight as |cw|}}
+ // Standard Error: {{underscore cw.error}}
+ .saturating_add(Weight::from_parts({{underscore cw.slope}}, 0).saturating_mul({{cw.name}}.into()))
+ {{/each}}
+ {{#if (ne benchmark.base_reads "0")}}
+ .saturating_add(RocksDbWeight::get().reads({{benchmark.base_reads}}_u64))
+ {{/if}}
+ {{#each benchmark.component_reads as |cr|}}
+ .saturating_add(RocksDbWeight::get().reads(({{cr.slope}}_u64).saturating_mul({{cr.name}}.into())))
+ {{/each}}
+ {{#if (ne benchmark.base_writes "0")}}
+ .saturating_add(RocksDbWeight::get().writes({{benchmark.base_writes}}_u64))
+ {{/if}}
+ {{#each benchmark.component_writes as |cw|}}
+ .saturating_add(RocksDbWeight::get().writes(({{cw.slope}}_u64).saturating_mul({{cw.name}}.into())))
+ {{/each}}
+ {{#each benchmark.component_calculated_proof_size as |cp|}}
+ .saturating_add(Weight::from_parts(0, {{cp.slope}}).saturating_mul({{cp.name}}.into()))
+ {{/each}}
+ }
+ {{/each}}
+}
diff --git a/bridges/snowbridge/templates/register_token.mustache b/bridges/snowbridge/templates/register_token.mustache
new file mode 100644
index 0000000000000..e8d35be42ec17
--- /dev/null
+++ b/bridges/snowbridge/templates/register_token.mustache
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+// Generated, do not edit!
+// See ethereum client README.md for instructions to generate
+
+use crate::InboundQueueFixture;
+use hex_literal::hex;
+use snowbridge_beacon_primitives::CompactExecutionHeader;
+use snowbridge_core::inbound::{Log, Message, Proof};
+use sp_std::vec;
+
+pub fn make_register_token_message() -> InboundQueueFixture {
+ InboundQueueFixture {
+ execution_header: CompactExecutionHeader{
+ parent_hash: hex!("{{InboundMessageTest.ExecutionHeader.ParentHash}}").into(),
+ block_number: {{InboundMessageTest.ExecutionHeader.BlockNumber}},
+ state_root: hex!("{{InboundMessageTest.ExecutionHeader.StateRoot}}").into(),
+ receipts_root: hex!("{{InboundMessageTest.ExecutionHeader.ReceiptsRoot}}").into(),
+ },
+ message: Message {
+ event_log: Log {
+ address: hex!("{{InboundMessageTest.Message.EventLog.Address}}").into(),
+ topics: vec![
+ {{#InboundMessageTest.Message.EventLog.Topics}}
+ hex!("{{.}}").into(),
+ {{/InboundMessageTest.Message.EventLog.Topics}}
+ ],
+ data: hex!("{{InboundMessageTest.Message.EventLog.Data}}").into(),
+ },
+ proof: Proof {
+ block_hash: hex!("{{InboundMessageTest.Message.Proof.BlockHash}}").into(),
+ tx_index: {{InboundMessageTest.Message.Proof.TxIndex}},
+ data: (vec![
+ {{#InboundMessageTest.Message.Proof.Data.Keys}}
+ hex!("{{.}}").to_vec(),
+ {{/InboundMessageTest.Message.Proof.Data.Keys}}
+ ], vec![
+ {{#InboundMessageTest.Message.Proof.Data.Values}}
+ hex!("{{.}}").to_vec(),
+ {{/InboundMessageTest.Message.Proof.Data.Values}}
+ ]),
+ },
+ },
+ }
+}
diff --git a/bridges/snowbridge/templates/send_token.mustache b/bridges/snowbridge/templates/send_token.mustache
new file mode 100644
index 0000000000000..e104d2da279dd
--- /dev/null
+++ b/bridges/snowbridge/templates/send_token.mustache
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+// Generated, do not edit!
+// See ethereum client README.md for instructions to generate
+
+use crate::InboundQueueFixture;
+use hex_literal::hex;
+use snowbridge_beacon_primitives::CompactExecutionHeader;
+use snowbridge_core::inbound::{Log, Message, Proof};
+use sp_std::vec;
+
+pub fn make_send_token_message() -> InboundQueueFixture {
+ InboundQueueFixture {
+ execution_header: CompactExecutionHeader{
+ parent_hash: hex!("{{InboundMessageTest.ExecutionHeader.ParentHash}}").into(),
+ block_number: {{InboundMessageTest.ExecutionHeader.BlockNumber}},
+ state_root: hex!("{{InboundMessageTest.ExecutionHeader.StateRoot}}").into(),
+ receipts_root: hex!("{{InboundMessageTest.ExecutionHeader.ReceiptsRoot}}").into(),
+ },
+ message: Message {
+ event_log: Log {
+ address: hex!("{{InboundMessageTest.Message.EventLog.Address}}").into(),
+ topics: vec![
+ {{#InboundMessageTest.Message.EventLog.Topics}}
+ hex!("{{.}}").into(),
+ {{/InboundMessageTest.Message.EventLog.Topics}}
+ ],
+ data: hex!("{{InboundMessageTest.Message.EventLog.Data}}").into(),
+ },
+ proof: Proof {
+ block_hash: hex!("{{InboundMessageTest.Message.Proof.BlockHash}}").into(),
+ tx_index: {{InboundMessageTest.Message.Proof.TxIndex}},
+ data: (vec![
+ {{#InboundMessageTest.Message.Proof.Data.Keys}}
+ hex!("{{.}}").to_vec(),
+ {{/InboundMessageTest.Message.Proof.Data.Keys}}
+ ], vec![
+ {{#InboundMessageTest.Message.Proof.Data.Values}}
+ hex!("{{.}}").to_vec(),
+ {{/InboundMessageTest.Message.Proof.Data.Values}}
+ ]),
+ },
+ },
+ }
+}
diff --git a/cumulus/parachains/integration-tests/emulated/chains/parachains/bridges/bridge-hub-rococo/Cargo.toml b/cumulus/parachains/integration-tests/emulated/chains/parachains/bridges/bridge-hub-rococo/Cargo.toml
index 1c33bea8c3adf..9e35c2af37d49 100644
--- a/cumulus/parachains/integration-tests/emulated/chains/parachains/bridges/bridge-hub-rococo/Cargo.toml
+++ b/cumulus/parachains/integration-tests/emulated/chains/parachains/bridges/bridge-hub-rococo/Cargo.toml
@@ -26,10 +26,3 @@ cumulus-primitives-core = { path = "../../../../../../../primitives/core", defau
emulated-integration-tests-common = { path = "../../../../common", default-features = false }
bridge-hub-rococo-runtime = { path = "../../../../../../runtimes/bridge-hubs/bridge-hub-rococo" }
bridge-hub-common = { path = "../../../../../../runtimes/bridge-hubs/common", default-features = false }
-
-# Snowbridge
-snowbridge-core = { path = "../../../../../../../../../parachain/primitives/core", default-features = false }
-snowbridge-router-primitives = { path = "../../../../../../../../../parachain/primitives/router", default-features = false }
-snowbridge-pallet-system = { path = "../../../../../../../../../parachain/pallets/system", default-features = false }
-snowbridge-pallet-inbound-queue = { path = "../../../../../../../../../parachain/pallets/inbound-queue", default-features = false }
-snowbridge-pallet-outbound-queue = { path = "../../../../../../../../../parachain/pallets/outbound-queue", default-features = false }
diff --git a/cumulus/parachains/integration-tests/emulated/tests/bridges/bridge-hub-rococo/Cargo.toml b/cumulus/parachains/integration-tests/emulated/tests/bridges/bridge-hub-rococo/Cargo.toml
index 1972eb5091f7c..732fd5ba017ba 100644
--- a/cumulus/parachains/integration-tests/emulated/tests/bridges/bridge-hub-rococo/Cargo.toml
+++ b/cumulus/parachains/integration-tests/emulated/tests/bridges/bridge-hub-rococo/Cargo.toml
@@ -46,9 +46,9 @@ penpal-runtime = { path = "../../../../../runtimes/testing/penpal", default-feat
asset-hub-rococo-runtime = { path = "../../../../../runtimes/assets/asset-hub-rococo", default-features = false }
# Snowbridge
-snowbridge-core = { path = "../../../../../../../../parachain/primitives/core", default-features = false }
-snowbridge-router-primitives = { path = "../../../../../../../../parachain/primitives/router", default-features = false }
-snowbridge-pallet-system = { path = "../../../../../../../../parachain/pallets/system", default-features = false }
-snowbridge-pallet-outbound-queue = { path = "../../../../../../../../parachain/pallets/outbound-queue", default-features = false }
-snowbridge-pallet-inbound-queue = { path = "../../../../../../../../parachain/pallets/inbound-queue", default-features = false }
-snowbridge-pallet-inbound-queue-fixtures = { path = "../../../../../../../../parachain/pallets/inbound-queue/fixtures" }
+snowbridge-core = { path = "../../../../../../../bridges/snowbridge/primitives/core", default-features = false }
+snowbridge-router-primitives = { path = "../../../../../../../bridges/snowbridge/primitives/router", default-features = false }
+snowbridge-pallet-system = { path = "../../../../../../../bridges/snowbridge/pallets/system", default-features = false }
+snowbridge-pallet-outbound-queue = { path = "../../../../../../../bridges/snowbridge/pallets/outbound-queue", default-features = false }
+snowbridge-pallet-inbound-queue = { path = "../../../../../../../bridges/snowbridge/pallets/inbound-queue", default-features = false }
+snowbridge-pallet-inbound-queue-fixtures = { path = "../../../../../../../bridges/snowbridge/pallets/inbound-queue/fixtures" }
diff --git a/cumulus/parachains/integration-tests/emulated/tests/bridges/bridge-hub-rococo/src/lib.rs b/cumulus/parachains/integration-tests/emulated/tests/bridges/bridge-hub-rococo/src/lib.rs
index fbca13bab745b..9ce981b074c5b 100644
--- a/cumulus/parachains/integration-tests/emulated/tests/bridges/bridge-hub-rococo/src/lib.rs
+++ b/cumulus/parachains/integration-tests/emulated/tests/bridges/bridge-hub-rococo/src/lib.rs
@@ -43,11 +43,6 @@ pub use emulated_integration_tests_common::{
PROOF_SIZE_THRESHOLD, REF_TIME_THRESHOLD, XCM_V3,
};
pub use parachains_common::{AccountId, Balance};
-pub use rococo_westend_system_emulated_network::{
- penpal_emulated_chain::PenpalAParaPallet as PenpalAPallet,
- BridgeHubRococoParaReceiver as BridgeHubRococoReceiver, PenpalAPara as PenpalA,
- PenpalAParaReceiver as PenpalAReceiver, PenpalAParaSender as PenpalASender,
-};
pub use rococo_westend_system_emulated_network::{
asset_hub_rococo_emulated_chain::{
genesis::ED as ASSET_HUB_ROCOCO_ED, AssetHubRococoParaPallet as AssetHubRococoPallet,
@@ -58,14 +53,17 @@ pub use rococo_westend_system_emulated_network::{
bridge_hub_rococo_emulated_chain::{
genesis::ED as BRIDGE_HUB_ROCOCO_ED, BridgeHubRococoParaPallet as BridgeHubRococoPallet,
},
+ penpal_emulated_chain::PenpalAParaPallet as PenpalAPallet,
rococo_emulated_chain::{genesis::ED as ROCOCO_ED, RococoRelayPallet as RococoPallet},
AssetHubRococoPara as AssetHubRococo, AssetHubRococoParaReceiver as AssetHubRococoReceiver,
AssetHubRococoParaSender as AssetHubRococoSender, AssetHubWestendPara as AssetHubWestend,
AssetHubWestendParaReceiver as AssetHubWestendReceiver,
AssetHubWestendParaSender as AssetHubWestendSender, BridgeHubRococoPara as BridgeHubRococo,
+ BridgeHubRococoParaReceiver as BridgeHubRococoReceiver,
BridgeHubRococoParaSender as BridgeHubRococoSender, BridgeHubWestendPara as BridgeHubWestend,
- RococoRelay as Rococo, RococoRelayReceiver as RococoReceiver,
- RococoRelaySender as RococoSender,
+ PenpalAPara as PenpalA, PenpalAParaReceiver as PenpalAReceiver,
+ PenpalAParaSender as PenpalASender, RococoRelay as Rococo,
+ RococoRelayReceiver as RococoReceiver, RococoRelaySender as RococoSender,
};
pub const ASSET_ID: u32 = 1;
diff --git a/cumulus/parachains/runtimes/assets/asset-hub-rococo/Cargo.toml b/cumulus/parachains/runtimes/assets/asset-hub-rococo/Cargo.toml
index e7ae9b7a71e44..bee86ba74f266 100644
--- a/cumulus/parachains/runtimes/assets/asset-hub-rococo/Cargo.toml
+++ b/cumulus/parachains/runtimes/assets/asset-hub-rococo/Cargo.toml
@@ -91,7 +91,7 @@ bp-asset-hub-rococo = { path = "../../../../../bridges/primitives/chain-asset-hu
bp-asset-hub-westend = { path = "../../../../../bridges/primitives/chain-asset-hub-westend", default-features = false }
bp-bridge-hub-rococo = { path = "../../../../../bridges/primitives/chain-bridge-hub-rococo", default-features = false }
bp-bridge-hub-westend = { path = "../../../../../bridges/primitives/chain-bridge-hub-westend", default-features = false }
-snowbridge-router-primitives = { path = "../../../../../../parachain/primitives/router", default-features = false }
+snowbridge-router-primitives = { path = "../../../../../bridges/snowbridge/primitives/router", default-features = false }
[dev-dependencies]
asset-test-utils = { path = "../test-utils" }
diff --git a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/Cargo.toml b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/Cargo.toml
index 5eac8468bfc1f..507fcd0596164 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/Cargo.toml
+++ b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/Cargo.toml
@@ -107,16 +107,16 @@ pallet-xcm-bridge-hub = { path = "../../../../../bridges/modules/xcm-bridge-hub"
bridge-runtime-common = { path = "../../../../../bridges/bin/runtime-common", default-features = false }
# Ethereum Bridge (Snowbridge)
-snowbridge-beacon-primitives = { path = "../../../../../../parachain/primitives/beacon", default-features = false }
-snowbridge-pallet-system = { path = "../../../../../../parachain/pallets/system", default-features = false }
-snowbridge-system-runtime-api = { path = "../../../../../../parachain/pallets/system/runtime-api", default-features = false }
-snowbridge-core = { path = "../../../../../../parachain/primitives/core", default-features = false }
-snowbridge-pallet-ethereum-client = { path = "../../../../../../parachain/pallets/ethereum-client", default-features = false }
-snowbridge-pallet-inbound-queue = { path = "../../../../../../parachain/pallets/inbound-queue", default-features = false }
-snowbridge-pallet-outbound-queue = { path = "../../../../../../parachain/pallets/outbound-queue", default-features = false }
-snowbridge-outbound-queue-runtime-api = { path = "../../../../../../parachain/pallets/outbound-queue/runtime-api", default-features = false }
-snowbridge-router-primitives = { path = "../../../../../../parachain/primitives/router", default-features = false }
-snowbridge-runtime-common = { path = "../../../../../../parachain/runtime/runtime-common", default-features = false }
+snowbridge-beacon-primitives = { path = "../../../../../bridges/snowbridge/primitives/beacon", default-features = false }
+snowbridge-pallet-system = { path = "../../../../../bridges/snowbridge/pallets/system", default-features = false }
+snowbridge-system-runtime-api = { path = "../../../../../bridges/snowbridge/pallets/system/runtime-api", default-features = false }
+snowbridge-core = { path = "../../../../../bridges/snowbridge/primitives/core", default-features = false }
+snowbridge-pallet-ethereum-client = { path = "../../../../../bridges/snowbridge/pallets/ethereum-client", default-features = false }
+snowbridge-pallet-inbound-queue = { path = "../../../../../bridges/snowbridge/pallets/inbound-queue", default-features = false }
+snowbridge-pallet-outbound-queue = { path = "../../../../../bridges/snowbridge/pallets/outbound-queue", default-features = false }
+snowbridge-outbound-queue-runtime-api = { path = "../../../../../bridges/snowbridge/pallets/outbound-queue/runtime-api", default-features = false }
+snowbridge-router-primitives = { path = "../../../../../bridges/snowbridge/primitives/router", default-features = false }
+snowbridge-runtime-common = { path = "../../../../../bridges/snowbridge/runtime/runtime-common", default-features = false }
bridge-hub-common = { path = "../common", default-features = false }
@@ -127,7 +127,7 @@ bridge-runtime-common = { path = "../../../../../bridges/bin/runtime-common", fe
"integrity-test",
] }
sp-keyring = { path = "../../../../../substrate/primitives/keyring" }
-snowbridge-runtime-test-common = { path = "../../../../../../parachain/runtime/test-common" }
+snowbridge-runtime-test-common = { path = "../../../../../bridges/snowbridge/runtime/test-common" }
[features]
default = ["std"]
diff --git a/cumulus/parachains/runtimes/bridge-hubs/common/Cargo.toml b/cumulus/parachains/runtimes/bridge-hubs/common/Cargo.toml
index 25be94b32cd37..e3d397a46e365 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/common/Cargo.toml
+++ b/cumulus/parachains/runtimes/bridge-hubs/common/Cargo.toml
@@ -16,7 +16,7 @@ sp-runtime = { path = "../../../../../substrate/primitives/runtime", default-fea
cumulus-primitives-core = { path = "../../../../primitives/core", default-features = false }
xcm = { package = "staging-xcm", path = "../../../../../polkadot/xcm", default-features = false }
pallet-message-queue = { path = "../../../../../substrate/frame/message-queue", default-features = false }
-snowbridge-core = { path = "../../../../../../parachain/primitives/core", default-features = false }
+snowbridge-core = { path = "../../../../../bridges/snowbridge/primitives/core", default-features = false }
[features]
default = ["std"]
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000000000..5320fa808b200
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,13 @@
+[toolchain]
+# rustup has no subcommand (yet) for installing the toolchain in rust-toolchain.toml:
+# https://github.com/rust-lang/rustup/issues/2686
+# The auto-installation behaviour in rustup will likely be removed:
+# https://github.com/rust-lang/rustup/issues/1397
+channel = "1.75.0"
+components = [
+ "clippy",
+ "rust-analyzer",
+ "rust-src",
+]
+targets = ["wasm32-unknown-unknown"]
+profile = "minimal"