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doc(bdk): Clarify the absolute_fee docs #1158

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notmandatory merged 1 commit into from
Dec 5, 2023
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doc(bdk): Clarify the absolute_fee docs #1158

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8 changes: 8 additions & 0 deletions crates/bdk/src/wallet/tx_builder.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -188,6 +188,10 @@ 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
Expand All @@ -198,6 +202,10 @@ 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.
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danielabrozzoni marked this conversation as resolved.
pub fn fee_absolute(&mut self, fee_amount: u64) -> &mut Self {
self.params.fee_policy = Some(FeePolicy::FeeAmount(fee_amount));
self
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