rpc bumpfee check fee_rate argument
rpc bumpfee check fee_rate argument


Former-commit-id: 40dd983edb3da56e8316648c250d2b2fbea51fd4
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin