pragma solidity ^0.5.0; import "../GSN/GSNRecipient.sol"; import "../GSN/bouncers/GSNBouncerERC20Fee.sol"; contract GSNBouncerERC20FeeMock is GSNRecipient, GSNBouncerERC20Fee { constructor(string memory name, string memory symbol, uint8 decimals) public GSNBouncerERC20Fee(name, symbol, decimals) { // solhint-disable-previous-line no-empty-blocks } function mint(address account, uint256 amount) public { _mint(account, amount); } event MockFunctionCalled(uint256 senderBalance); function mockFunction() public { emit MockFunctionCalled(token().balanceOf(_msgSender())); } }