sendTip method
Implementation
Future<DnaSendTransactionResponse> sendTip(
String from, String amount, String seed) async {
DnaSendTransactionResponse dnaSendTransactionResponse;
Completer<DnaSendTransactionResponse> _completer =
new Completer<DnaSendTransactionResponse>();
dnaSendTransactionResponse = await sendTx(
from, amount, "0xf429e36D68BE10428D730784391589572Ee0f72B", seed, null);
_completer.complete(dnaSendTransactionResponse);
return _completer.future;
}