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Fix/onramp allowlist race condition #1480

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merged 13 commits into from
Oct 8, 2024

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0xsuryansh
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@0xsuryansh 0xsuryansh commented Oct 2, 2024

Motivation

When the onRamp::_applyDestChainConfigUpdates is invoked in the constructor, the allowListEnabled field of the destination chain configuration is not set directly. As a result, if an onRamp with an allow list is required, the deployment must be bundled with a call to onRamp::applyAllowListUpdates

Solution

Directly sets the allowListEnabled field during the constructor execution.

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github-actions bot commented Oct 2, 2024

LCOV of commit 1f26f49 during Solidity Foundry #8538

Summary coverage rate:
  lines......: 97.9% (2279 of 2329 lines)
  functions..: 95.1% (428 of 450 functions)
  branches...: 93.6% (538 of 575 branches)

Files changed coverage rate: n/a

@0xsuryansh 0xsuryansh marked this pull request as ready for review October 2, 2024 15:35
@0xsuryansh 0xsuryansh requested a review from RyanRHall October 2, 2024 15:36
@@ -91,6 +91,7 @@ contract OnRamp is IEVM2AnyOnRampClient, ITypeAndVersion, OwnerIsCreator {
struct DestChainConfigArgs {
uint64 destChainSelector; // Destination chain selector
IRouter router; // Source router address
bool allowListEnabled; // Boolean indicator to specify if allowList check is enabled
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let's add struct packing comments, they should have been there already but the previous person also missed them :)

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# Conflicts:
#	contracts/gas-snapshots/ccip.gas-snapshot
#	core/gethwrappers/ccip/generated/onramp/onramp.go
#	core/gethwrappers/ccip/generation/generated-wrapper-dependency-versions-do-not-edit.txt
Signed-off-by: 0xsuryansh <[email protected]>
Signed-off-by: 0xsuryansh <[email protected]>
Signed-off-by: 0xsuryansh <[email protected]>
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Added a test for setting a new chain with allowedListEnabled : true and then trying out sending a msg with empty allowed list, the forwardFromRouter call should revert here

549b19d

# Conflicts:
#	contracts/gas-snapshots/ccip.gas-snapshot
#	core/gethwrappers/ccip/generation/generated-wrapper-dependency-versions-do-not-edit.txt
IRouter router; // Source router address
uint64 destChainSelector; // ─╮ Destination chain selector
IRouter router; // │ Source router address
bool allowListEnabled; //─────╯ Boolean indicator to specify if allowList check is enabled
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q: since this is now part of dest chain config args - do we still need it in allowListConfigArgs? There are now 2 ways to change the allowlist - is this intended?

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This just enables it when a new chain it set, to prevent unauthorised access to a private chain. The other method is still required to set the actual permitted addresses

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@elatoskinas elatoskinas Oct 8, 2024

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For the first option it makes sense, for the second option - we can always batch 2 MCMS calls:

  1. setDestChainConfigArgs
  2. setAllowlistConfigArgs

Seems slightly redundant to have the flag twice

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Quality Gate passed Quality Gate passed

Issues
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0 Accepted issues

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No data about Duplication

See analysis details on SonarQube

@0xsuryansh 0xsuryansh merged commit f772bcf into ccip-develop Oct 8, 2024
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@0xsuryansh 0xsuryansh deleted the fix/onramp-allowlist-race-condition branch October 8, 2024 15:18
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3 participants