// SPDX-License-Identifier: LGPL-3.0-or-later
// Vendored from omnibridge, see:
// <https://raw.githubusercontent.com/poanetwork/tokenbridge-contracts/908a48107919d4ab127f9af07d44d47eac91547e/contracts/interfaces/IAMB.sol>
pragma solidity ^0.8.10;

interface IAMB {
    function messageSender() external view returns (address);
    function maxGasPerTx() external view returns (uint256);
    function transactionHash() external view returns (bytes32);
    function messageId() external view returns (bytes32);
    function messageSourceChainId() external view returns (bytes32);
    function messageCallStatus(bytes32 _messageId) external view returns (bool);
    function failedMessageDataHash(bytes32 _messageId) external view returns (bytes32);
    function failedMessageReceiver(bytes32 _messageId) external view returns (address);
    function failedMessageSender(bytes32 _messageId) external view returns (address);
    function requireToPassMessage(address _contract, bytes memory _data, uint256 _gas) external returns (bytes32);
    function requireToConfirmMessage(address _contract, bytes memory _data, uint256 _gas) external returns (bytes32);
    function requireToGetInformation(bytes32 _requestSelector, bytes memory _data) external returns (bytes32);
    function sourceChainId() external view returns (uint256);
    function destinationChainId() external view returns (uint256);
}