only do concurrent processing for zdag transactions (allocation send)
only do concurrent processing for zdag transactions (allocation send)


Former-commit-id: 2660f5fd1a09ca22926dafd513c4a080d41a8d44
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin