// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; /* Library Imports */ import { Lib_OVMCodec } from "../../libraries/codec/Lib_OVMCodec.sol"; /* Interface Imports */ import { ICrossDomainMessenger } from "../../libraries/bridge/ICrossDomainMessenger.sol"; /** * @title IL1CrossDomainMessenger */ interface IL1CrossDomainMessenger is ICrossDomainMessenger { /******************* * Data Structures * *******************/ struct L2MessageInclusionProof { bytes32 stateRoot; Lib_OVMCodec.ChainBatchHeader stateRootBatchHeader; Lib_OVMCodec.ChainInclusionProof stateRootProof; bytes stateTrieWitness; bytes storageTrieWitness; } /******************** * Public Functions * ********************/ /** * Relays a cross domain message to a contract. * @param _target Target contract address. * @param _sender Message sender address. * @param _message Message to send to the target. * @param _messageNonce Nonce for the provided message. * @param _proof Inclusion proof for the given message. */ function relayMessage( address _target, address _sender, bytes memory _message, uint256 _messageNonce, L2MessageInclusionProof memory _proof ) external; /** * Replays a cross domain message to the target messenger. * @param _target Target contract address. * @param _sender Original sender address. * @param _message Message to send to the target. * @param _queueIndex CTC Queue index for the message to replay. * @param _oldGasLimit Original gas limit used to send the message. * @param _newGasLimit New gas limit to be used for this message. */ function replayMessage( address _target, address _sender, bytes memory _message, uint256 _queueIndex, uint32 _oldGasLimit, uint32 _newGasLimit ) external; }