Files
openzeppelin-contracts/contracts/vendor/optimism/ICrossDomainMessenger.sol
Hadrien Croubois 668a648bc6 Add utilities for CrossChain messaging (#3183)
Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
2022-03-30 11:41:04 -03:00

38 lines
989 B
Solidity

// SPDX-License-Identifier: MIT
pragma solidity >0.5.0 <0.9.0;
/**
* @title ICrossDomainMessenger
*/
interface ICrossDomainMessenger {
/**********
* Events *
**********/
event SentMessage(address indexed target, address sender, bytes message, uint256 messageNonce, uint256 gasLimit);
event RelayedMessage(bytes32 indexed msgHash);
event FailedRelayedMessage(bytes32 indexed msgHash);
/*************
* Variables *
*************/
function xDomainMessageSender() external view returns (address);
/********************
* Public Functions *
********************/
/**
* Sends a cross domain message to the target messenger.
* @param _target Target contract address.
* @param _message Message to send to the target.
* @param _gasLimit Gas limit for the provided message.
*/
function sendMessage(
address _target,
bytes calldata _message,
uint32 _gasLimit
) external;
}