X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fchain%2Fpackage.rs;h=30530303e59b366239e88c96d846f36da77a49ee;hb=28c9b56113ff1ebb1b505a2c979c55c1626aa06b;hp=1cc63a8c8605338875a4ac3c7a95fab7b365d794;hpb=34cdca91baa0187d13969855129073c764f4c895;p=rust-lightning diff --git a/lightning/src/chain/package.rs b/lightning/src/chain/package.rs index 1cc63a8c..30530303 100644 --- a/lightning/src/chain/package.rs +++ b/lightning/src/chain/package.rs @@ -12,13 +12,13 @@ //! also includes witness weight computation and fee computation methods. use bitcoin::blockdata::constants::WITNESS_SCALE_FACTOR; -use bitcoin::blockdata::transaction::{TxOut,TxIn, Transaction, SigHashType}; +use bitcoin::blockdata::transaction::{TxOut,TxIn, Transaction, EcdsaSighashType}; use bitcoin::blockdata::transaction::OutPoint as BitcoinOutPoint; use bitcoin::blockdata::script::Script; use bitcoin::hash_types::Txid; -use bitcoin::secp256k1::key::{SecretKey,PublicKey}; +use bitcoin::secp256k1::{SecretKey,PublicKey}; use ln::PaymentPreimage; use ln::chan_utils::{TxCreationKeys, HTLCOutputInCommitment}; @@ -36,6 +36,9 @@ use prelude::*; use core::cmp; use core::mem; use core::ops::Deref; +use bitcoin::Witness; + +use super::chaininterface::LowerBoundedFeeEstimator; const MAX_ALLOC_SIZE: usize = 64*1024; @@ -352,8 +355,9 @@ impl PackageSolvingData { let witness_script = chan_utils::get_revokeable_redeemscript(&chan_keys.revocation_key, outp.on_counterparty_tx_csv, &chan_keys.broadcaster_delayed_payment_key); //TODO: should we panic on signer failure ? if let Ok(sig) = onchain_handler.signer.sign_justice_revoked_output(&bumped_tx, i, outp.amount, &outp.per_commitment_key, &onchain_handler.secp_ctx) { - bumped_tx.input[i].witness.push(sig.serialize_der().to_vec()); - bumped_tx.input[i].witness[0].push(SigHashType::All as u8); + 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(vec!(1)); bumped_tx.input[i].witness.push(witness_script.clone().into_bytes()); } else { return false; } @@ -364,8 +368,9 @@ impl PackageSolvingData { let witness_script = chan_utils::get_htlc_redeemscript_with_explicit_keys(&outp.htlc, onchain_handler.opt_anchors(), &chan_keys.broadcaster_htlc_key, &chan_keys.countersignatory_htlc_key, &chan_keys.revocation_key); //TODO: should we panic on signer failure ? if let Ok(sig) = onchain_handler.signer.sign_justice_revoked_htlc(&bumped_tx, i, outp.amount, &outp.per_commitment_key, &outp.htlc, &onchain_handler.secp_ctx) { - bumped_tx.input[i].witness.push(sig.serialize_der().to_vec()); - bumped_tx.input[i].witness[0].push(SigHashType::All as u8); + 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(witness_script.clone().into_bytes()); } else { return false; } @@ -376,8 +381,9 @@ impl PackageSolvingData { let witness_script = chan_utils::get_htlc_redeemscript_with_explicit_keys(&outp.htlc, onchain_handler.opt_anchors(), &chan_keys.broadcaster_htlc_key, &chan_keys.countersignatory_htlc_key, &chan_keys.revocation_key); if let Ok(sig) = onchain_handler.signer.sign_counterparty_htlc_transaction(&bumped_tx, i, &outp.htlc.amount_msat / 1000, &outp.per_commitment_point, &outp.htlc, &onchain_handler.secp_ctx) { - bumped_tx.input[i].witness.push(sig.serialize_der().to_vec()); - bumped_tx.input[i].witness[0].push(SigHashType::All as u8); + 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(outp.preimage.0.to_vec()); bumped_tx.input[i].witness.push(witness_script.clone().into_bytes()); } @@ -389,8 +395,9 @@ impl PackageSolvingData { bumped_tx.lock_time = outp.htlc.cltv_expiry; // Right now we don't aggregate time-locked transaction, if we do we should set lock_time before to avoid breaking hash computation if let Ok(sig) = onchain_handler.signer.sign_counterparty_htlc_transaction(&bumped_tx, i, &outp.htlc.amount_msat / 1000, &outp.per_commitment_point, &outp.htlc, &onchain_handler.secp_ctx) { - bumped_tx.input[i].witness.push(sig.serialize_der().to_vec()); - bumped_tx.input[i].witness[0].push(SigHashType::All as u8); + let mut ser_sig = sig.serialize_der().to_vec(); + ser_sig.push(EcdsaSighashType::All as u8); + bumped_tx.input[i].witness.push(ser_sig); // Due to BIP146 (MINIMALIF) this must be a zero-length element to relay. bumped_tx.input[i].witness.push(vec![]); bumped_tx.input[i].witness.push(witness_script.clone().into_bytes()); @@ -620,7 +627,7 @@ impl PackageTemplate { previous_output: *outpoint, script_sig: Script::new(), sequence: 0xfffffffd, - witness: Vec::new(), + witness: Witness::new(), }); } for (i, (outpoint, out)) in self.inputs.iter().enumerate() { @@ -660,7 +667,7 @@ 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, fee_estimator: &F, logger: &L) -> Option<(u64, u64)> + pub(crate) fn compute_package_output(&self, predicted_weight: usize, dust_limit_sats: u64, fee_estimator: &LowerBoundedFeeEstimator, logger: &L) -> Option<(u64, u64)> where F::Target: FeeEstimator, L::Target: Logger, { @@ -767,17 +774,17 @@ impl Readable for PackageTemplate { /// 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: &F, logger: &L) -> Option<(u64, u64)> +fn compute_fee_from_spent_amounts(input_amounts: u64, predicted_weight: usize, fee_estimator: &LowerBoundedFeeEstimator, logger: &L) -> Option<(u64, u64)> where F::Target: FeeEstimator, L::Target: Logger, { - let mut updated_feerate = fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::HighPriority) as u64; + 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.get_est_sat_per_1000_weight(ConfirmationTarget::Normal) as u64; + 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.get_est_sat_per_1000_weight(ConfirmationTarget::Background) as u64; + 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)", @@ -803,7 +810,7 @@ fn compute_fee_from_spent_amounts(input_amounts: u64, predic /// attempt, use them. Otherwise, blindly bump the feerate by 25% of the previous feerate. 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, fee_estimator: &F, logger: &L) -> Option<(u64, u64)> +fn feerate_bump(predicted_weight: usize, input_amounts: u64, previous_feerate: u64, fee_estimator: &LowerBoundedFeeEstimator, logger: &L) -> Option<(u64, u64)> where F::Target: FeeEstimator, L::Target: Logger, { @@ -852,7 +859,7 @@ mod tests { use bitcoin::hashes::hex::FromHex; - use bitcoin::secp256k1::key::{PublicKey,SecretKey}; + use bitcoin::secp256k1::{PublicKey,SecretKey}; use bitcoin::secp256k1::Secp256k1; macro_rules! dumb_revk_output {