X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fchain%2Fpackage.rs;h=efc32bf7d40d9adcdfaff19ef23e3dc66b363bd7;hb=refs%2Fheads%2F2024-04-log-in-flights;hp=891d7d1da33bddbeb8777c1349e1eda0a4c5a668;hpb=ed5f9f6a9b9f9fc84810cdc1c04ff0a1caa888ff;p=rust-lightning diff --git a/lightning/src/chain/package.rs b/lightning/src/chain/package.rs index 891d7d1d..efc32bf7 100644 --- a/lightning/src/chain/package.rs +++ b/lightning/src/chain/package.rs @@ -11,36 +11,34 @@ //! packages are attached metadata, guiding their aggregable or fee-bumping re-schedule. This file //! also includes witness weight computation and fee computation methods. + +use bitcoin::{Sequence, Witness}; use bitcoin::blockdata::constants::WITNESS_SCALE_FACTOR; -use bitcoin::blockdata::transaction::{TxOut,TxIn, Transaction, EcdsaSighashType}; +use bitcoin::blockdata::locktime::absolute::LockTime; +use bitcoin::blockdata::transaction::{TxOut,TxIn, Transaction}; use bitcoin::blockdata::transaction::OutPoint as BitcoinOutPoint; -use bitcoin::blockdata::script::Script; - +use bitcoin::blockdata::script::{Script, ScriptBuf}; use bitcoin::hash_types::Txid; - use bitcoin::secp256k1::{SecretKey,PublicKey}; +use bitcoin::sighash::EcdsaSighashType; use crate::ln::PaymentPreimage; -use crate::ln::chan_utils::{TxCreationKeys, HTLCOutputInCommitment}; -use crate::ln::chan_utils; +use crate::ln::chan_utils::{self, TxCreationKeys, HTLCOutputInCommitment}; +use crate::ln::features::ChannelTypeFeatures; +use crate::ln::channel_keys::{DelayedPaymentBasepoint, HtlcBasepoint}; use crate::ln::msgs::DecodeError; -use crate::chain::chaininterface::{FeeEstimator, ConfirmationTarget, MIN_RELAY_FEE_SAT_PER_1000_WEIGHT}; -use crate::sign::WriteableEcdsaChannelSigner; -#[cfg(anchors)] -use crate::chain::onchaintx::ExternalHTLCClaim; -use crate::chain::onchaintx::OnchainTxHandler; +use crate::chain::chaininterface::{FeeEstimator, ConfirmationTarget, MIN_RELAY_FEE_SAT_PER_1000_WEIGHT, compute_feerate_sat_per_1000_weight, FEERATE_FLOOR_SATS_PER_KW}; +use crate::sign::ecdsa::WriteableEcdsaChannelSigner; +use crate::chain::onchaintx::{ExternalHTLCClaim, OnchainTxHandler}; use crate::util::logger::Logger; use crate::util::ser::{Readable, Writer, Writeable, RequiredWrapper}; use crate::io; use crate::prelude::*; use core::cmp; -#[cfg(anchors)] use core::convert::TryInto; use core::mem; use core::ops::Deref; -use bitcoin::{PackedLockTime, Sequence, Witness}; -use crate::ln::features::ChannelTypeFeatures; use super::chaininterface::LowerBoundedFeeEstimator; @@ -117,8 +115,8 @@ const HIGH_FREQUENCY_BUMP_INTERVAL: u32 = 1; #[derive(Clone, PartialEq, Eq)] pub(crate) struct RevokedOutput { per_commitment_point: PublicKey, - counterparty_delayed_payment_base_key: PublicKey, - counterparty_htlc_base_key: PublicKey, + counterparty_delayed_payment_base_key: DelayedPaymentBasepoint, + counterparty_htlc_base_key: HtlcBasepoint, per_commitment_key: SecretKey, weight: u64, amount: u64, @@ -127,7 +125,7 @@ pub(crate) struct RevokedOutput { } impl RevokedOutput { - pub(crate) fn build(per_commitment_point: PublicKey, counterparty_delayed_payment_base_key: PublicKey, counterparty_htlc_base_key: PublicKey, per_commitment_key: SecretKey, amount: u64, on_counterparty_tx_csv: u16, is_counterparty_balance_on_anchors: bool) -> Self { + pub(crate) fn build(per_commitment_point: PublicKey, counterparty_delayed_payment_base_key: DelayedPaymentBasepoint, counterparty_htlc_base_key: HtlcBasepoint, per_commitment_key: SecretKey, amount: u64, on_counterparty_tx_csv: u16, is_counterparty_balance_on_anchors: bool) -> Self { RevokedOutput { per_commitment_point, counterparty_delayed_payment_base_key, @@ -163,8 +161,8 @@ impl_writeable_tlv_based!(RevokedOutput, { #[derive(Clone, PartialEq, Eq)] pub(crate) struct RevokedHTLCOutput { per_commitment_point: PublicKey, - counterparty_delayed_payment_base_key: PublicKey, - counterparty_htlc_base_key: PublicKey, + counterparty_delayed_payment_base_key: DelayedPaymentBasepoint, + counterparty_htlc_base_key: HtlcBasepoint, per_commitment_key: SecretKey, weight: u64, amount: u64, @@ -172,7 +170,7 @@ pub(crate) struct RevokedHTLCOutput { } impl RevokedHTLCOutput { - pub(crate) fn build(per_commitment_point: PublicKey, counterparty_delayed_payment_base_key: PublicKey, counterparty_htlc_base_key: PublicKey, per_commitment_key: SecretKey, amount: u64, htlc: HTLCOutputInCommitment, channel_type_features: &ChannelTypeFeatures) -> Self { + pub(crate) fn build(per_commitment_point: PublicKey, counterparty_delayed_payment_base_key: DelayedPaymentBasepoint, counterparty_htlc_base_key: HtlcBasepoint, per_commitment_key: SecretKey, amount: u64, htlc: HTLCOutputInCommitment, channel_type_features: &ChannelTypeFeatures) -> Self { let weight = if htlc.offered { weight_revoked_offered_htlc(channel_type_features) } else { weight_revoked_received_htlc(channel_type_features) }; RevokedHTLCOutput { per_commitment_point, @@ -207,15 +205,15 @@ impl_writeable_tlv_based!(RevokedHTLCOutput, { #[derive(Clone, PartialEq, Eq)] pub(crate) struct CounterpartyOfferedHTLCOutput { per_commitment_point: PublicKey, - counterparty_delayed_payment_base_key: PublicKey, - counterparty_htlc_base_key: PublicKey, + counterparty_delayed_payment_base_key: DelayedPaymentBasepoint, + counterparty_htlc_base_key: HtlcBasepoint, preimage: PaymentPreimage, htlc: HTLCOutputInCommitment, channel_type_features: ChannelTypeFeatures, } impl CounterpartyOfferedHTLCOutput { - pub(crate) fn build(per_commitment_point: PublicKey, counterparty_delayed_payment_base_key: PublicKey, counterparty_htlc_base_key: PublicKey, preimage: PaymentPreimage, htlc: HTLCOutputInCommitment, channel_type_features: ChannelTypeFeatures) -> Self { + pub(crate) fn build(per_commitment_point: PublicKey, counterparty_delayed_payment_base_key: DelayedPaymentBasepoint, counterparty_htlc_base_key: HtlcBasepoint, preimage: PaymentPreimage, htlc: HTLCOutputInCommitment, channel_type_features: ChannelTypeFeatures) -> Self { CounterpartyOfferedHTLCOutput { per_commitment_point, counterparty_delayed_payment_base_key, @@ -250,7 +248,7 @@ impl Readable for CounterpartyOfferedHTLCOutput { let mut counterparty_htlc_base_key = RequiredWrapper(None); let mut preimage = RequiredWrapper(None); let mut htlc = RequiredWrapper(None); - let mut legacy_deserialization_prevention_marker: Option<()> = None; + let mut _legacy_deserialization_prevention_marker: Option<()> = None; let mut channel_type_features = None; read_tlv_fields!(reader, { @@ -259,7 +257,7 @@ impl Readable for CounterpartyOfferedHTLCOutput { (4, counterparty_htlc_base_key, required), (6, preimage, required), (8, htlc, required), - (10, legacy_deserialization_prevention_marker, option), + (10, _legacy_deserialization_prevention_marker, option), (11, channel_type_features, option), }); @@ -285,14 +283,14 @@ impl Readable for CounterpartyOfferedHTLCOutput { #[derive(Clone, PartialEq, Eq)] pub(crate) struct CounterpartyReceivedHTLCOutput { per_commitment_point: PublicKey, - counterparty_delayed_payment_base_key: PublicKey, - counterparty_htlc_base_key: PublicKey, + counterparty_delayed_payment_base_key: DelayedPaymentBasepoint, + counterparty_htlc_base_key: HtlcBasepoint, htlc: HTLCOutputInCommitment, channel_type_features: ChannelTypeFeatures, } impl CounterpartyReceivedHTLCOutput { - pub(crate) fn build(per_commitment_point: PublicKey, counterparty_delayed_payment_base_key: PublicKey, counterparty_htlc_base_key: PublicKey, htlc: HTLCOutputInCommitment, channel_type_features: ChannelTypeFeatures) -> Self { + pub(crate) fn build(per_commitment_point: PublicKey, counterparty_delayed_payment_base_key: DelayedPaymentBasepoint, counterparty_htlc_base_key: HtlcBasepoint, htlc: HTLCOutputInCommitment, channel_type_features: ChannelTypeFeatures) -> Self { CounterpartyReceivedHTLCOutput { per_commitment_point, counterparty_delayed_payment_base_key, @@ -324,7 +322,7 @@ impl Readable for CounterpartyReceivedHTLCOutput { let mut counterparty_delayed_payment_base_key = RequiredWrapper(None); let mut counterparty_htlc_base_key = RequiredWrapper(None); let mut htlc = RequiredWrapper(None); - let mut legacy_deserialization_prevention_marker: Option<()> = None; + let mut _legacy_deserialization_prevention_marker: Option<()> = None; let mut channel_type_features = None; read_tlv_fields!(reader, { @@ -332,7 +330,7 @@ impl Readable for CounterpartyReceivedHTLCOutput { (2, counterparty_delayed_payment_base_key, required), (4, counterparty_htlc_base_key, required), (6, htlc, required), - (8, legacy_deserialization_prevention_marker, option), + (8, _legacy_deserialization_prevention_marker, option), (9, channel_type_features, option), }); @@ -402,14 +400,14 @@ impl Readable for HolderHTLCOutput { let mut amount_msat = RequiredWrapper(None); let mut cltv_expiry = RequiredWrapper(None); let mut preimage = None; - let mut legacy_deserialization_prevention_marker: Option<()> = None; + let mut _legacy_deserialization_prevention_marker: Option<()> = None; let mut channel_type_features = None; read_tlv_fields!(reader, { (0, amount_msat, required), (2, cltv_expiry, required), (4, preimage, option), - (6, legacy_deserialization_prevention_marker, option), + (6, _legacy_deserialization_prevention_marker, option), (7, channel_type_features, option), }); @@ -431,14 +429,14 @@ impl Readable for HolderHTLCOutput { /// Note that on upgrades, some features of existing outputs may be missed. #[derive(Clone, PartialEq, Eq)] pub(crate) struct HolderFundingOutput { - funding_redeemscript: Script, - funding_amount: Option, + funding_redeemscript: ScriptBuf, + pub(crate) funding_amount: Option, channel_type_features: ChannelTypeFeatures, } impl HolderFundingOutput { - pub(crate) fn build(funding_redeemscript: Script, funding_amount: u64, channel_type_features: ChannelTypeFeatures) -> Self { + pub(crate) fn build(funding_redeemscript: ScriptBuf, funding_amount: u64, channel_type_features: ChannelTypeFeatures) -> Self { HolderFundingOutput { funding_redeemscript, funding_amount: Some(funding_amount), @@ -463,14 +461,14 @@ impl Writeable for HolderFundingOutput { impl Readable for HolderFundingOutput { fn read(reader: &mut R) -> Result { let mut funding_redeemscript = RequiredWrapper(None); - let mut legacy_deserialization_prevention_marker: Option<()> = None; + let mut _legacy_deserialization_prevention_marker: Option<()> = None; let mut channel_type_features = None; let mut funding_amount = None; read_tlv_fields!(reader, { (0, funding_redeemscript, required), (1, channel_type_features, option), - (2, legacy_deserialization_prevention_marker, option), + (2, _legacy_deserialization_prevention_marker, option), (3, funding_amount, option) }); @@ -554,6 +552,32 @@ impl PackageSolvingData { _ => { mem::discriminant(self) == mem::discriminant(&input) } } } + fn as_tx_input(&self, previous_output: BitcoinOutPoint) -> TxIn { + let sequence = match self { + PackageSolvingData::RevokedOutput(_) => Sequence::ENABLE_RBF_NO_LOCKTIME, + PackageSolvingData::RevokedHTLCOutput(_) => Sequence::ENABLE_RBF_NO_LOCKTIME, + PackageSolvingData::CounterpartyOfferedHTLCOutput(outp) => if outp.channel_type_features.supports_anchors_zero_fee_htlc_tx() { + Sequence::from_consensus(1) + } else { + Sequence::ENABLE_RBF_NO_LOCKTIME + }, + PackageSolvingData::CounterpartyReceivedHTLCOutput(outp) => if outp.channel_type_features.supports_anchors_zero_fee_htlc_tx() { + Sequence::from_consensus(1) + } else { + Sequence::ENABLE_RBF_NO_LOCKTIME + }, + _ => { + debug_assert!(false, "This should not be reachable by 'untractable' or 'malleable with external funding' packages"); + Sequence::ENABLE_RBF_NO_LOCKTIME + }, + }; + TxIn { + previous_output, + script_sig: ScriptBuf::new(), + sequence, + witness: Witness::new(), + } + } fn finalize_input(&self, bumped_tx: &mut Transaction, i: usize, onchain_handler: &mut OnchainTxHandler) -> bool { match self { PackageSolvingData::RevokedOutput(ref outp) => { @@ -576,7 +600,7 @@ impl PackageSolvingData { let mut ser_sig = sig.serialize_der().to_vec(); ser_sig.push(EcdsaSighashType::All as u8); bumped_tx.input[i].witness.push(ser_sig); - bumped_tx.input[i].witness.push(chan_keys.revocation_key.clone().serialize().to_vec()); + bumped_tx.input[i].witness.push(chan_keys.revocation_key.to_public_key().serialize().to_vec()); bumped_tx.input[i].witness.push(witness_script.clone().into_bytes()); } else { return false; } }, @@ -852,7 +876,7 @@ impl PackageTemplate { locktime } - pub(crate) fn package_weight(&self, destination_script: &Script) -> usize { + pub(crate) fn package_weight(&self, destination_script: &Script) -> u64 { let mut inputs_weight = 0; let mut witnesses_weight = 2; // count segwit flags for (_, outp) in self.inputs.iter() { @@ -864,9 +888,8 @@ impl PackageTemplate { let transaction_weight = 10 * WITNESS_SCALE_FACTOR; // value: 8 bytes ; var_int: 1 byte ; pk_script: `destination_script.len()` let output_weight = (8 + 1 + destination_script.len()) * WITNESS_SCALE_FACTOR; - inputs_weight + witnesses_weight + transaction_weight + output_weight + (inputs_weight + witnesses_weight + transaction_weight + output_weight) as u64 } - #[cfg(anchors)] pub(crate) fn construct_malleable_package_with_external_funding( &self, onchain_handler: &mut OnchainTxHandler, ) -> Option> { @@ -885,27 +908,22 @@ impl PackageTemplate { } htlcs } - pub(crate) fn finalize_malleable_package( + pub(crate) fn finalize_malleable_package( &self, current_height: u32, onchain_handler: &mut OnchainTxHandler, value: u64, - destination_script: Script, logger: &L - ) -> Option where L::Target: Logger { + destination_script: ScriptBuf, logger: &L + ) -> Option { debug_assert!(self.is_malleable()); let mut bumped_tx = Transaction { version: 2, - lock_time: PackedLockTime(self.package_locktime(current_height)), + lock_time: LockTime::from_consensus(self.package_locktime(current_height)), input: vec![], output: vec![TxOut { script_pubkey: destination_script, value, }], }; - for (outpoint, _) in self.inputs.iter() { - bumped_tx.input.push(TxIn { - previous_output: *outpoint, - script_sig: Script::new(), - sequence: Sequence::ENABLE_RBF_NO_LOCKTIME, - witness: Witness::new(), - }); + for (outpoint, outp) in self.inputs.iter() { + bumped_tx.input.push(outp.as_tx_input(*outpoint)); } for (i, (outpoint, out)) in self.inputs.iter().enumerate() { log_debug!(logger, "Adding claiming input for outpoint {}:{}", outpoint.txid, outpoint.vout); @@ -914,9 +932,9 @@ impl PackageTemplate { log_debug!(logger, "Finalized transaction {} ready to broadcast", bumped_tx.txid()); Some(bumped_tx) } - pub(crate) fn finalize_untractable_package( + pub(crate) fn finalize_untractable_package( &self, onchain_handler: &mut OnchainTxHandler, logger: &L, - ) -> Option where L::Target: Logger { + ) -> Option { debug_assert!(!self.is_malleable()); if let Some((outpoint, outp)) = self.inputs.first() { if let Some(final_tx) = outp.get_finalized_tx(outpoint, onchain_handler) { @@ -944,13 +962,11 @@ impl PackageTemplate { /// Returns value in satoshis to be included as package outgoing output amount and feerate /// which was used to generate the value. Will not return less than `dust_limit_sats` for the /// value. - pub(crate) fn compute_package_output( - &self, predicted_weight: usize, dust_limit_sats: u64, force_feerate_bump: bool, + pub(crate) fn compute_package_output( + &self, predicted_weight: u64, dust_limit_sats: u64, force_feerate_bump: bool, fee_estimator: &LowerBoundedFeeEstimator, logger: &L, ) -> Option<(u64, u64)> - where - F::Target: FeeEstimator, - L::Target: Logger, + where F::Target: FeeEstimator, { debug_assert!(self.malleability == PackageMalleability::Malleable, "The package output is fixed for non-malleable packages"); let input_amounts = self.package_amount(); @@ -971,7 +987,6 @@ impl PackageTemplate { None } - #[cfg(anchors)] /// Computes a feerate based on the given confirmation target. If a previous feerate was used, /// the new feerate is below it, and `force_feerate_bump` is set, we'll use a 25% increase of /// the previous feerate instead of the new feerate. @@ -981,14 +996,23 @@ impl PackageTemplate { ) -> u32 where F::Target: FeeEstimator { let feerate_estimate = fee_estimator.bounded_sat_per_1000_weight(conf_target); if self.feerate_previous != 0 { - // If old feerate inferior to actual one given back by Fee Estimator, use it to compute new fee... + // Use the new fee estimate if it's higher than the one previously used. if feerate_estimate as u64 > self.feerate_previous { feerate_estimate } else if !force_feerate_bump { self.feerate_previous.try_into().unwrap_or(u32::max_value()) } else { - // ...else just increase the previous feerate by 25% (because that's a nice number) - (self.feerate_previous + (self.feerate_previous / 4)).try_into().unwrap_or(u32::max_value()) + // Our fee estimate has decreased, but our transaction remains unconfirmed after + // using our previous fee estimate. This may point to an unreliable fee estimator, + // so we choose to bump our previous feerate by 25%, making sure we don't use a + // lower feerate or overpay by a large margin by limiting it to 5x the new fee + // estimate. + let previous_feerate = self.feerate_previous.try_into().unwrap_or(u32::max_value()); + let mut new_feerate = previous_feerate.saturating_add(previous_feerate / 4); + if new_feerate > feerate_estimate * 5 { + new_feerate = cmp::max(feerate_estimate * 5, previous_feerate); + } + new_feerate } } else { feerate_estimate @@ -1076,40 +1100,29 @@ impl Readable for PackageTemplate { } /// Attempt to propose a bumping fee for a transaction from its spent output's values and predicted -/// weight. We start with the highest priority feerate returned by the node's fee estimator then -/// fall-back to lower priorities until we have enough value available to suck from. +/// weight. We first try our [`OnChainSweep`] feerate, if it's not enough we try to sweep half of +/// the input amounts. /// /// If the proposed fee is less than the available spent output's values, we return the proposed -/// fee and the corresponding updated feerate. If the proposed fee is equal or more than the -/// available spent output's values, we return nothing -fn compute_fee_from_spent_amounts(input_amounts: u64, predicted_weight: usize, fee_estimator: &LowerBoundedFeeEstimator, logger: &L) -> Option<(u64, u64)> +/// fee and the corresponding updated feerate. If fee is under [`FEERATE_FLOOR_SATS_PER_KW`], we +/// return nothing. +/// +/// [`OnChainSweep`]: crate::chain::chaininterface::ConfirmationTarget::OnChainSweep +/// [`FEERATE_FLOOR_SATS_PER_KW`]: crate::chain::chaininterface::MIN_RELAY_FEE_SAT_PER_1000_WEIGHT +fn compute_fee_from_spent_amounts(input_amounts: u64, predicted_weight: u64, fee_estimator: &LowerBoundedFeeEstimator, logger: &L) -> Option<(u64, u64)> where F::Target: FeeEstimator, - L::Target: Logger, { - let mut updated_feerate = fee_estimator.bounded_sat_per_1000_weight(ConfirmationTarget::HighPriority) as u64; - let mut fee = updated_feerate * (predicted_weight as u64) / 1000; - if input_amounts <= fee { - updated_feerate = fee_estimator.bounded_sat_per_1000_weight(ConfirmationTarget::Normal) as u64; - fee = updated_feerate * (predicted_weight as u64) / 1000; - if input_amounts <= fee { - updated_feerate = fee_estimator.bounded_sat_per_1000_weight(ConfirmationTarget::Background) as u64; - fee = updated_feerate * (predicted_weight as u64) / 1000; - if input_amounts <= fee { - log_error!(logger, "Failed to generate an on-chain punishment tx as even low priority fee ({} sat) was more than the entire claim balance ({} sat)", - fee, input_amounts); - None - } else { - log_warn!(logger, "Used low priority fee for on-chain punishment tx as high priority fee was more than the entire claim balance ({} sat)", - input_amounts); - Some((fee, updated_feerate)) - } - } else { - log_warn!(logger, "Used medium priority fee for on-chain punishment tx as high priority fee was more than the entire claim balance ({} sat)", - input_amounts); - Some((fee, updated_feerate)) - } + let sweep_feerate = fee_estimator.bounded_sat_per_1000_weight(ConfirmationTarget::OnChainSweep); + let fee_rate = cmp::min(sweep_feerate, compute_feerate_sat_per_1000_weight(input_amounts / 2, predicted_weight)); + let fee = fee_rate as u64 * (predicted_weight) / 1000; + + // if the fee rate is below the floor, we don't sweep + if fee_rate < FEERATE_FLOOR_SATS_PER_KW { + log_error!(logger, "Failed to generate an on-chain tx with fee ({} sat/kw) was less than the floor ({} sat/kw)", + fee_rate, FEERATE_FLOOR_SATS_PER_KW); + None } else { - Some((fee, updated_feerate)) + Some((fee, fee_rate as u64)) } } @@ -1119,25 +1132,24 @@ fn compute_fee_from_spent_amounts(input_amounts: u64, predic /// feerate, or just use the previous feerate otherwise. If a feerate bump did happen, we also /// verify that those bumping heuristics respect BIP125 rules 3) and 4) and if required adjust the /// new fee to meet the RBF policy requirement. -fn feerate_bump( - predicted_weight: usize, input_amounts: u64, previous_feerate: u64, force_feerate_bump: bool, +fn feerate_bump( + predicted_weight: u64, input_amounts: u64, previous_feerate: u64, force_feerate_bump: bool, fee_estimator: &LowerBoundedFeeEstimator, logger: &L, ) -> Option<(u64, u64)> where F::Target: FeeEstimator, - L::Target: Logger, { // If old feerate inferior to actual one given back by Fee Estimator, use it to compute new fee... let (new_fee, new_feerate) = if let Some((new_fee, new_feerate)) = compute_fee_from_spent_amounts(input_amounts, predicted_weight, fee_estimator, logger) { if new_feerate > previous_feerate { (new_fee, new_feerate) } else if !force_feerate_bump { - let previous_fee = previous_feerate * (predicted_weight as u64) / 1000; + let previous_fee = previous_feerate * predicted_weight / 1000; (previous_fee, previous_feerate) } else { // ...else just increase the previous feerate by 25% (because that's a nice number) let bumped_feerate = previous_feerate + (previous_feerate / 4); - let bumped_fee = bumped_feerate * (predicted_weight as u64) / 1000; + let bumped_fee = bumped_feerate * predicted_weight / 1000; if input_amounts <= bumped_fee { log_warn!(logger, "Can't 25% bump new claiming tx, amount {} is too small", input_amounts); return None; @@ -1156,8 +1168,8 @@ where return Some((new_fee, new_feerate)); } - let previous_fee = previous_feerate * (predicted_weight as u64) / 1000; - let min_relay_fee = MIN_RELAY_FEE_SAT_PER_1000_WEIGHT * (predicted_weight as u64) / 1000; + let previous_fee = previous_feerate * predicted_weight / 1000; + let min_relay_fee = MIN_RELAY_FEE_SAT_PER_1000_WEIGHT * predicted_weight / 1000; // BIP 125 Opt-in Full Replace-by-Fee Signaling // * 3. The replacement transaction pays an absolute fee of at least the sum paid by the original transactions. // * 4. The replacement transaction must also pay for its own bandwidth at or above the rate set by the node's minimum relay fee setting. @@ -1166,7 +1178,7 @@ where } else { new_fee }; - Some((new_fee, new_fee * 1000 / (predicted_weight as u64))) + Some((new_fee, new_fee * 1000 / predicted_weight)) } #[cfg(test)] @@ -1175,9 +1187,10 @@ mod tests { use crate::chain::Txid; use crate::ln::chan_utils::HTLCOutputInCommitment; use crate::ln::{PaymentPreimage, PaymentHash}; + use crate::ln::channel_keys::{DelayedPaymentBasepoint, HtlcBasepoint}; use bitcoin::blockdata::constants::WITNESS_SCALE_FACTOR; - use bitcoin::blockdata::script::Script; + use bitcoin::blockdata::script::ScriptBuf; use bitcoin::blockdata::transaction::OutPoint as BitcoinOutPoint; use bitcoin::hashes::hex::FromHex; @@ -1186,12 +1199,14 @@ mod tests { use bitcoin::secp256k1::Secp256k1; use crate::ln::features::ChannelTypeFeatures; + use std::str::FromStr; + macro_rules! dumb_revk_output { ($secp_ctx: expr, $is_counterparty_balance_on_anchors: expr) => { { - let dumb_scalar = SecretKey::from_slice(&hex::decode("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap(); + let dumb_scalar = SecretKey::from_slice(&>::from_hex("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap(); let dumb_point = PublicKey::from_secret_key(&$secp_ctx, &dumb_scalar); - PackageSolvingData::RevokedOutput(RevokedOutput::build(dumb_point, dumb_point, dumb_point, dumb_scalar, 0, 0, $is_counterparty_balance_on_anchors)) + PackageSolvingData::RevokedOutput(RevokedOutput::build(dumb_point, DelayedPaymentBasepoint::from(dumb_point), HtlcBasepoint::from(dumb_point), dumb_scalar, 0, 0, $is_counterparty_balance_on_anchors)) } } } @@ -1199,11 +1214,11 @@ mod tests { macro_rules! dumb_counterparty_output { ($secp_ctx: expr, $amt: expr, $opt_anchors: expr) => { { - let dumb_scalar = SecretKey::from_slice(&hex::decode("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap(); + let dumb_scalar = SecretKey::from_slice(&>::from_hex("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap(); let dumb_point = PublicKey::from_secret_key(&$secp_ctx, &dumb_scalar); let hash = PaymentHash([1; 32]); let htlc = HTLCOutputInCommitment { offered: true, amount_msat: $amt, cltv_expiry: 0, payment_hash: hash, transaction_output_index: None }; - PackageSolvingData::CounterpartyReceivedHTLCOutput(CounterpartyReceivedHTLCOutput::build(dumb_point, dumb_point, dumb_point, htlc, $opt_anchors)) + PackageSolvingData::CounterpartyReceivedHTLCOutput(CounterpartyReceivedHTLCOutput::build(dumb_point, DelayedPaymentBasepoint::from(dumb_point), HtlcBasepoint::from(dumb_point), htlc, $opt_anchors)) } } } @@ -1211,12 +1226,12 @@ mod tests { macro_rules! dumb_counterparty_offered_output { ($secp_ctx: expr, $amt: expr, $opt_anchors: expr) => { { - let dumb_scalar = SecretKey::from_slice(&hex::decode("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap(); + let dumb_scalar = SecretKey::from_slice(&>::from_hex("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap(); let dumb_point = PublicKey::from_secret_key(&$secp_ctx, &dumb_scalar); let hash = PaymentHash([1; 32]); let preimage = PaymentPreimage([2;32]); let htlc = HTLCOutputInCommitment { offered: false, amount_msat: $amt, cltv_expiry: 1000, payment_hash: hash, transaction_output_index: None }; - PackageSolvingData::CounterpartyOfferedHTLCOutput(CounterpartyOfferedHTLCOutput::build(dumb_point, dumb_point, dumb_point, preimage, htlc, $opt_anchors)) + PackageSolvingData::CounterpartyOfferedHTLCOutput(CounterpartyOfferedHTLCOutput::build(dumb_point, DelayedPaymentBasepoint::from(dumb_point), HtlcBasepoint::from(dumb_point), preimage, htlc, $opt_anchors)) } } } @@ -1233,7 +1248,7 @@ mod tests { #[test] #[should_panic] fn test_package_differing_heights() { - let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); + let txid = Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); let secp_ctx = Secp256k1::new(); let revk_outp = dumb_revk_output!(secp_ctx, false); @@ -1245,7 +1260,7 @@ mod tests { #[test] #[should_panic] fn test_package_untractable_merge_to() { - let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); + let txid = Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); let secp_ctx = Secp256k1::new(); let revk_outp = dumb_revk_output!(secp_ctx, false); let htlc_outp = dumb_htlc_output!(); @@ -1258,7 +1273,7 @@ mod tests { #[test] #[should_panic] fn test_package_untractable_merge_from() { - let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); + let txid = Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); let secp_ctx = Secp256k1::new(); let htlc_outp = dumb_htlc_output!(); let revk_outp = dumb_revk_output!(secp_ctx, false); @@ -1271,7 +1286,7 @@ mod tests { #[test] #[should_panic] fn test_package_noaggregation_to() { - let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); + let txid = Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); let secp_ctx = Secp256k1::new(); let revk_outp = dumb_revk_output!(secp_ctx, false); let revk_outp_counterparty_balance = dumb_revk_output!(secp_ctx, true); @@ -1284,7 +1299,7 @@ mod tests { #[test] #[should_panic] fn test_package_noaggregation_from() { - let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); + let txid = Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); let secp_ctx = Secp256k1::new(); let revk_outp = dumb_revk_output!(secp_ctx, false); let revk_outp_counterparty_balance = dumb_revk_output!(secp_ctx, true); @@ -1297,7 +1312,7 @@ mod tests { #[test] #[should_panic] fn test_package_empty() { - let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); + let txid = Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); let secp_ctx = Secp256k1::new(); let revk_outp = dumb_revk_output!(secp_ctx, false); @@ -1310,7 +1325,7 @@ mod tests { #[test] #[should_panic] fn test_package_differing_categories() { - let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); + let txid = Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); let secp_ctx = Secp256k1::new(); let revk_outp = dumb_revk_output!(secp_ctx, false); let counterparty_outp = dumb_counterparty_output!(secp_ctx, 0, ChannelTypeFeatures::only_static_remote_key()); @@ -1322,7 +1337,7 @@ mod tests { #[test] fn test_package_split_malleable() { - let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); + let txid = Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); let secp_ctx = Secp256k1::new(); let revk_outp_one = dumb_revk_output!(secp_ctx, false); let revk_outp_two = dumb_revk_output!(secp_ctx, false); @@ -1350,7 +1365,7 @@ mod tests { #[test] fn test_package_split_untractable() { - let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); + let txid = Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); let htlc_outp_one = dumb_htlc_output!(); let mut package_one = PackageTemplate::build_package(txid, 0, htlc_outp_one, 1000, 100); @@ -1360,7 +1375,7 @@ mod tests { #[test] fn test_package_timer() { - let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); + let txid = Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); let secp_ctx = Secp256k1::new(); let revk_outp = dumb_revk_output!(secp_ctx, false); @@ -1372,7 +1387,7 @@ mod tests { #[test] fn test_package_amounts() { - let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); + let txid = Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); let secp_ctx = Secp256k1::new(); let counterparty_outp = dumb_counterparty_output!(secp_ctx, 1_000_000, ChannelTypeFeatures::only_static_remote_key()); @@ -1382,23 +1397,23 @@ mod tests { #[test] fn test_package_weight() { - let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); + let txid = Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(); let secp_ctx = Secp256k1::new(); // (nVersion (4) + nLocktime (4) + count_tx_in (1) + prevout (36) + sequence (4) + script_length (1) + count_tx_out (1) + value (8) + var_int (1)) * WITNESS_SCALE_FACTOR + witness marker (2) - let weight_sans_output = (4 + 4 + 1 + 36 + 4 + 1 + 1 + 8 + 1) * WITNESS_SCALE_FACTOR + 2; + let weight_sans_output = (4 + 4 + 1 + 36 + 4 + 1 + 1 + 8 + 1) * WITNESS_SCALE_FACTOR as u64 + 2; { let revk_outp = dumb_revk_output!(secp_ctx, false); let package = PackageTemplate::build_package(txid, 0, revk_outp, 0, 100); - assert_eq!(package.package_weight(&Script::new()), weight_sans_output + WEIGHT_REVOKED_OUTPUT as usize); + assert_eq!(package.package_weight(&ScriptBuf::new()), weight_sans_output + WEIGHT_REVOKED_OUTPUT); } { for channel_type_features in [ChannelTypeFeatures::only_static_remote_key(), ChannelTypeFeatures::anchors_zero_htlc_fee_and_dependencies()].iter() { let counterparty_outp = dumb_counterparty_output!(secp_ctx, 1_000_000, channel_type_features.clone()); let package = PackageTemplate::build_package(txid, 0, counterparty_outp, 1000, 100); - assert_eq!(package.package_weight(&Script::new()), weight_sans_output + weight_received_htlc(channel_type_features) as usize); + assert_eq!(package.package_weight(&ScriptBuf::new()), weight_sans_output + weight_received_htlc(channel_type_features)); } } @@ -1406,7 +1421,7 @@ mod tests { for channel_type_features in [ChannelTypeFeatures::only_static_remote_key(), ChannelTypeFeatures::anchors_zero_htlc_fee_and_dependencies()].iter() { let counterparty_outp = dumb_counterparty_offered_output!(secp_ctx, 1_000_000, channel_type_features.clone()); let package = PackageTemplate::build_package(txid, 0, counterparty_outp, 1000, 100); - assert_eq!(package.package_weight(&Script::new()), weight_sans_output + weight_offered_htlc(channel_type_features) as usize); + assert_eq!(package.package_weight(&ScriptBuf::new()), weight_sans_output + weight_offered_htlc(channel_type_features)); } } }