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feat(L2ToL2CrossDomainMessenger): add successfulMessages and messageNonce to IL2ToL2CrossDomainMessenger #12068

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Sep 23, 2024
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feat(L2ToL2CrossDomainMessenger): add successfulMessages and messageNonce to IL2ToL2CrossDomainMessenger #12068

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feat(L2ToL2CrossDomainMessenger): add successfulMessages and messageN…
tremarkley Sep 23, 2024
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lint
tremarkley Sep 23, 2024
45614ae
Merge branch 'develop' into harry/IL2ToL2CrossDomainMessenger_update
tremarkley Sep 23, 2024
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13 changes: 13 additions & 0 deletions packages/contracts-bedrock/src/L2/interfaces/IL2ToL2CrossDomainMessenger.sol
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Expand Up @@ -4,6 +4,19 @@ pragma solidity ^0.8.0;
/// @title IL2ToL2CrossDomainMessenger
/// @notice Interface for the L2ToL2CrossDomainMessenger contract.
interface IL2ToL2CrossDomainMessenger {
/// @notice Mapping of message hashes to boolean receipt values. Note that a message will only
/// be present in this mapping if it has successfully been relayed on this chain, and
/// can therefore not be relayed again.
/// @param _msgHash message hash to check.
/// @return Returns true if the message corresponding to the `_msgHash` was successfully relayed.
function successfulMessages(bytes32 _msgHash) external view returns (bool);

/// @notice Retrieves the next message nonce. Message version will be added to the upper two
/// bytes of the message nonce. Message version allows us to treat messages as having
/// different structures.
/// @return Nonce of the next message to be sent, with added message version.
function messageNonce() external view returns (uint256);

/// @notice Retrieves the sender of the current cross domain message.
/// @return _sender Address of the sender of the current cross domain message.
function crossDomainMessageSender() external view returns (address _sender);
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