// SPDX-FileCopyrightText: 2021 ShardLabs
// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.7;

interface IFxStateRootTunnel {
    function latestData() external view returns (bytes memory);

    function setFxChildTunnel(address _fxChildTunnel) external;

    function sendMessageToChild(bytes memory message) external;

    function setStFURY(address _stFURY) external;
}