// SPDX-License-Identifier: MIT pragma solidity ^0.7.0; contract MockOVM_CrossDomainMessenger { address public xDomainMessageSender; constructor(address _xDomainMessageSender) { xDomainMessageSender = _xDomainMessageSender; } function execute(address _who, bytes calldata _calldata) external returns (bool success, bytes memory result) { (success, result) = _who.call(_calldata); } }