v0.7.0

Note: v0.7.x should only be used after the upgrade height 2693800

v0.7.0 is a major breaking upgrade from 0.6.x, it introduces EIP-1559 implementation, significant performance improvements and many json-rpc bug fixes.

Upgrade Plan Name

The plan name for mainnet upgrade should be v0.7.0.

New Config Items

Existing v0.6.x node should add these config items into app.toml before upgrade:

[json-rpc]
feehistory-cap = 100
logs-cap = 10000
block-range-cap = 10000
http-timeout="30s"
http-idle-timeout="120s"

[evm]
max-tx-gas-wanted=500000

New JSON-RPC APIs

The new apis are under json-rpc namespace cronos, need to be enabled in the json-rpc.api config item.

• cronos_getTransactionReceiptsByBlock(BlockNumberOrHash) -> List[Receipt]
• cronos_replayBlock(BlockNumberOrHash, bool) -> List[Receipt]

Major Changes

• New feemarket module to support EIP-1559 and dynamic fee transactions.
• Refactor EVM StateDB implementation, improve performance of contract execution significantly.
• Support batching multiple eth txs in a cosmos tx.

Full Changelogs

Dependency Updates

• Cosmos-sdk: v0.44.6 -> v0.45.4
• Ethermint: v0.7.2-1d16a8af7dfc -> v0.10.0-alpha1-cronos-9
• Tendermint: v0.34.14 -> v0.34.19

RocksDB Bundle Tarball

The RocksDB tarball has all the dependencies included, the binary will find them by relative path, so it's important to keep the relative directory structure, one should extract them into a standalone directory and run the bin/cronosd from there, don't move the files out from the bundle.

v0.7.0-hotfix

DEPRECATED, please use v0.8.0 instead.

v0.7.0-hotfix is a temporary tag for a breaking security upgrade, that upgrade is formally released as v0.8.0.

v0.7.0-rc4

Note: v0.7.x should only be used after the upgrade height 2693800

v0.7.0-rc4 fixed several json-rpc issues and update the final feemarket parameters in v0.7.0 upgrade handler.

Dependency Upgrades

• cosmos-sdk: v0.45.1 -> v0.45.4
• tendermint: v0.34.14 -> v0.34.19
• ethermint: v0.10.0-alpha1-cronos-8 -> a178ce6dba6e

v0.7.0-rc3

Note: v0.7.x should only be used after the upgrade height 2693800

v0.7.0-rc3 is a consensus breaking upgrade based on v0.7.0-rc2, testnet should use upgrade plan v0.7.0-rc3-hotfix-testnet to upgrade from rc2 to rc3.

dependency upgrades:

• ibc-go: v2.0.2 -> v2.2.0
• ethermint: v0.10.0-alpha1-cronos-6 -> v0.10.0-alpha1-cronos-8
• cosmos-sdk: 4161d2b6022a -> 7f949c0aa1d6

new app configs:

• evm.max-tx-gas-wanted=500000, control maximum tx gas limit passed to the mempool.
• json-rpc.http-timeout="30s"/json-rpc.http-idle-timeout="120s", control the timeout values of the json-rpc server.

Changelog

• cronos#328 display detail panic information in query result when --trace enabled.
• cronos#370 Update ethermint to fix a websocket bug, add websockets integration tests.
• cronos#378 Backport recent ethermint bug fixes: a) fix tx inclusion issue by report correct gasWanted of eth tx, b) Add buffer to eth_gasPrice response to fix client UX, c) Quick fix for eth_feeHistory when reward is nil, d) add returnValue message on tracing.
• cronos#404 Backport recent ethermint bug fixes: a) add configurable MaxTxGasWanted, b) fix multiple json-rpc issues, c) add configurable timeouts to json-rpc server.

v0.7.0-rc2

Note: v0.7.x should only be used after the upgrade height 2693800

This release includes multiple bug fixes, it's a consensus-breaking upgrade based on v0.7.0-rc1.

Changelog

• cronos#345 disable the url query parameter in swagger-ui.
• cronos#323 Upgrade gravity bridge to v0.3.9 which contain a bugfix on batchTxExecuted.
• cronos#324 Update to cosmos-sdk v0.45.1, which fixes an OOM issue.
• cronos#329 Fix panic of eth_call on blocks prior to upgrade.
• cronos#340 Update dependencies to include several bug fixes and improvements: a) fix subscription deadlock issue in ethermint, b) fix data races in traceContext, c) update go-ethereum to v1.10.15

v0.7.0-rc1

Note: v0.7.x should only be used after the upgrade height 2693800

This release is a natural continuation of v0.7.0-rc0.

Changelog

097130e Problem: min-gas-price change in ethermint not merged (#322), don't check min-gas-price for EVM tx when feemarket enabled.

v0.7.0-rc0

Note: v0.7.x should only be used after the upgrade height 2693800

v0.7.0-rc0 is the first release candidate of upcoming v0.7.0 version, it's a major breaking version, contains multiple bug fixes, major new features and significant performance improvements.

The major new changes:

• Cosmos-sdk updated to v0.45.0(release notes).
• Ethermint updated to v0.10.0-alpha1-cronos-2 (change logs), some major new features are follows:
  • New feemarket module, supports EIP-1559.
  • Refactor EVM StateDB implementation, improve performance of contract execution significantly.
  • Support batching multiple MsgEthereumTxs in single cosmos tx.

v0.6.5

Note: v0.6.x should only be used til height 2693800

This release fixed two bugs based on v0.6.4.

Changelog

• cronos#255 fix empty topics in non-breaking way
• cronos#270 reject MsgEthereumTx wrapping tx without the extension option.

v0.6.4

Note: v0.6.x should only be used til height 2693800

November 30, 2021

This version is the same as v0.6.3 but remove commit (tharsis#786) because it contains consensus breaking changes.

Bug Fixes

• crypto-org-chain/ethermint#19 revert tharsis#786 because it contains consensus breaking changes

v0.6.3

[Important]

DO NOT USE THIS VERSION AS IT CONTAINS CONSENSUS BREAKING CHANGES

Use v0.6.4 instead
https://github.com/crypto-org-chain/cronos/releases/tag/v0.6.4

November 29, 2021

Bug Fixes

• tharsis#781 fix empty transactions in getBlock
• crypto-org-chain/ethermint#15 web3 rpc api returns wrong block gas limit
• crypto-org-chain/ethermint#16 fix unwrap context panic in BlockMaxGasFromConsensusParams

Improvements

• tharsis#786 improve error message of SendTransaction/SendRawTransaction JSON-RPC APIs.
• cronos#222 change solc 0.6.11 to 0.6.8 (from dapp cachix) and update hermes to 0.8.