import "../munged/token/ERC20/ERC20.sol"; import "../munged/token/ERC20/extensions/draft-ERC20Permit.sol"; contract ERC20Harness is ERC20, ERC20Permit { constructor(string memory name, string memory symbol) ERC20(name, symbol) ERC20Permit(name) {} function mint(address account, uint256 amount) public { _mint(account, amount); } function burn(address account, uint256 amount) public { _burn(account, amount); } }