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audit: Potential Reentrancy in executeQueuedProposal Method #215

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Jun 20, 2023
Merged

audit: Potential Reentrancy in executeQueuedProposal Method #215

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be95255
chore: comment explaining possible reentrancy
Jun 20, 2023
727d215
:chore: reentrancy example
Jun 20, 2023
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2 changes: 2 additions & 0 deletions src/execution-strategies/CompTimelockCompatibleExecutionStrategy.sol
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Expand Up @@ -139,6 +139,8 @@ contract CompTimelockCompatibleExecutionStrategy is SimpleQuorumExecutionStrateg

/// @notice Executes a queued proposal.
/// @param payload The encoded payload of the proposal to execute.
/// @dev Cannot rely on the invariant that proposal payloads are executed atomically.
/// Reenetrant calls could lead to the transactions in proposals being executed in an interleaved order.
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function executeQueuedProposal(bytes memory payload) external {
bytes32 executionPayloadHash = keccak256(payload);

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2 changes: 2 additions & 0 deletions src/execution-strategies/TimelockExecutionStrategy.sol
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Expand Up @@ -145,6 +145,8 @@ contract TimelockExecutionStrategy is SimpleQuorumExecutionStrategy, IERC1155Rec

/// @notice Executes a queued proposal.
/// @param payload The proposal execution payload.
/// @dev Cannot rely on the invariant that proposal payloads are executed atomically.
/// Reenetrant calls could lead to the transactions in proposals being executed in an interleaved order.
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function executeQueuedProposal(bytes memory payload) external {
bytes32 executionPayloadHash = keccak256(payload);

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