pragma solidity ^0.5.0; import "../GSN/GSNRecipient.sol"; import "../GSN/bouncers/GSNBouncerSignature.sol"; contract GSNBouncerSignatureMock is GSNRecipient, GSNBouncerSignature { constructor(address trustedSigner) public GSNBouncerSignature(trustedSigner) { // solhint-disable-previous-line no-empty-blocks } event MockFunctionCalled(); function mockFunction() public { emit MockFunctionCalled(); } }