fix listtransactions to only send if proper syscoin tx is found
fix listtransactions to only send if proper syscoin tx is found


Former-commit-id: b9b35981708845add9d55f549d0df39c9fd9d219
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin