public override (bool, int) Validate(Transaction transaction, FeatureData featureData)
{
var error = ReceiverError.None;
if (!(featureData is Receiver receiverData) || !receiverData.Valid)
{
error = ReceiverError.InvalidReceiverData;
goto end;
}
var receivers = receiverData.Receivers;
if (receivers.Count > MaxReceivers)
{
error = ReceiverError.TooManyReceivers;
goto end;
}
if (receivers.Count == 0)
{
error = ReceiverError.InvalidReceiver;
goto end;
}
var receiversList = new HashSet <long>();
foreach (var receiverAccountId in receivers)
{
if (!CurrentChain.FeatureAccountExists(receiverAccountId))
{
error = ReceiverError.InvalidReceiver;
goto end;
}
if (receiversList.Contains(receiverAccountId))
{
error = ReceiverError.InvalidReceiver;
goto end;
}
receiversList.Add(receiverAccountId);
}
end:
return(error == ReceiverError.None, (int)error);
}
