Merge bitcoindevkit/bdk#1158: doc(bdk): Clarify the absolute_fee docs

0ecc0280c032301dc638e75e54a8691d66d50274 doc(bdk): Clarify the absolute_fee, fee_rate docs (Daniela Brozzoni)

Pull request description:

  Fixes #1066

  ### Checklists

  #### All Submissions:

  * [x] I've signed all my commits
  * [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md)
  * [x] I ran `cargo fmt` and `cargo clippy` before committing

ACKs for top commit:
  notmandatory:
    ACK 0ecc0280c032301dc638e75e54a8691d66d50274

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This commit is contained in:
Steve Myers 2023-12-05 07:15:06 -06:00
commit f741122ffb
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@ -199,6 +199,10 @@ impl<'a, D, Cs: CoinSelectionAlgorithm, Ctx: TxBuilderContext> TxBuilder<'a, D,
/// * btc/kvB (0.00001000 btc/kvB == 1 sats/vB) using FeeRate::from_btc_per_kvb
/// * sats/kwu (250 sats/kwu == 1 sats/vB) using FeeRate::from_sat_per_kwu
/// Default is 1 sat/vB (see min_relay_fee)
///
/// Note that this is really a minimum feerate -- it's possible to
/// overshoot it slightly since adding a change output to drain the remaining
/// excess might not be viable.
pub fn fee_rate(&mut self, fee_rate: FeeRate) -> &mut Self {
self.params.fee_policy = Some(FeePolicy::FeeRate(fee_rate));
self
@ -209,6 +213,10 @@ impl<'a, D, Cs: CoinSelectionAlgorithm, Ctx: TxBuilderContext> TxBuilder<'a, D,
/// If anyone sets both the fee_absolute method and the fee_rate method,
/// the FeePolicy enum will be set by whichever method was called last,
/// as the FeeRate and FeeAmount are mutually exclusive.
///
/// Note that this is really a minimum absolute fee -- it's possible to
/// overshoot it slightly since adding a change output to drain the remaining
/// excess might not be viable.
pub fn fee_absolute(&mut self, fee_amount: u64) -> &mut Self {
self.params.fee_policy = Some(FeePolicy::FeeAmount(fee_amount));
self