// Sequence has already been checked
@Override
- @Nullable TransactionSuccess<?> handleRequest(final TransactionRequest<?> request, final RequestEnvelope envelope,
+ @Nullable TransactionSuccess<?> doHandleRequest(final TransactionRequest<?> request, final RequestEnvelope envelope,
final long now) throws RequestException {
if (request instanceof ExistsTransactionRequest) {
return handleExistsTransaction((ExistsTransactionRequest) request);