getTransfer method
Implementation
Future<TransferDoc> getTransfer({
required int txId,
required String operator,
}) async {
final request = GetTransferRequest()..txId = Int64(txId);
final envelop = await requestEnvelope(request: request);
final transfer =
await getServiceClient(operator).query.getTransfer(envelop);
return TransferDoc(transfer, operator);
}