string destinationChain
string executableAddress
constructor(address gateway_, string destinationChain_, string executableAddress_) public
function swapToken(string symbolA, string symbolB, uint256 amount, string recipient) external payable
function _executeWithToken(bytes32, string, string, bytes payload, string tokenSymbolB, uint256 amount) internal
function _execute(bytes32, string, string, bytes) internal pure