c812aba394 test bumpfee fee_rate argument (ezegom)
9f25de3d9e rpc bumpfee check fee_rate argument (ezegom)
88e5f997df rpc bumpfee: add fee_rate argument (ezegom)
1a4c791cf4 rpc bumpfee: move feerate estimation logic into separate method (ezegom)
Pull request description:
Taking over for https://github.com/bitcoin/bitcoin/pull/16492 which seems to have gone inactive.
Only minor commit cleanups, rebase, and some help text fixes on top of previous PR. Renamed `feeRate` to `fee_rate` to reflect updated guidelines.
ACKs for top commit:
Sjors:
Code review ACK c812aba
laanwj:
ACK c812aba394
Tree-SHA512: 5f7f51bd780a573ccef1ccd72b0faf3e5d143f6551060a667560c5163f7d9480e17e73775d1d7bcac0463f3b6b4328f0cff7b27e39483bddc42a530f4583ce30