move order of casset for contract efficient reads
move order of casset for contract efficient reads

contracts shouldn't have to read fields it doesn't care about, give precision/contract first so it can quit after reading these 2 fields


Former-commit-id: 20c59f5533c50bc3f1435846f5329327cdd5014a
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin