+// This file is Copyright its original authors, visible in version control
+// history.
+//
+// This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
+// or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// You may not use this file except in accordance with one or both of these
+// licenses.
+
//! The logic to build claims and bump in-flight transactions until confirmations.
//!
//! OnchainTxHandler objetcs are fully-part of ChannelMonitor and encapsulates all
use bitcoin::blockdata::transaction::{Transaction, TxIn, TxOut, SigHashType};
use bitcoin::blockdata::transaction::OutPoint as BitcoinOutPoint;
use bitcoin::blockdata::script::Script;
-use bitcoin::util::bip143;
use bitcoin::hash_types::Txid;
use ln::msgs::DecodeError;
use ln::channelmonitor::{ANTI_REORG_DELAY, CLTV_SHARED_CLAIM_BUFFER, InputMaterial, ClaimRequest};
use ln::channelmanager::PaymentPreimage;
-use ln::chan_utils::{HTLCType, LocalCommitmentTransaction};
+use ln::chan_utils;
+use ln::chan_utils::{TxCreationKeys, LocalCommitmentTransaction};
use chain::chaininterface::{FeeEstimator, BroadcasterInterface, ConfirmationTarget, MIN_RELAY_FEE_SAT_PER_1000_WEIGHT};
use chain::keysinterface::ChannelKeys;
use util::logger::Logger;
-use util::ser::{ReadableArgs, Readable, Writer, Writeable};
+use util::ser::{Readable, Writer, Writeable};
use util::byte_utils;
use std::collections::{HashMap, hash_map};
-use std::sync::Arc;
use std::cmp;
use std::ops::Deref;
// much time for confirmation and we need to bump it.
height_timer: Option<u32>,
// Tracked in case of reorg to wipe out now-superflous bump material
- feerate_previous: u64,
+ feerate_previous: u32,
// Soonest timelocks among set of outpoints claimed, used to compute
// a priority of not feerate
soonest_timelock: u32,
impl Writeable for ClaimTxBumpMaterial {
fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
self.height_timer.write(writer)?;
- writer.write_all(&byte_utils::be64_to_array(self.feerate_previous))?;
+ writer.write_all(&byte_utils::be32_to_array(self.feerate_previous))?;
writer.write_all(&byte_utils::be32_to_array(self.soonest_timelock))?;
writer.write_all(&byte_utils::be64_to_array(self.per_input_material.len() as u64))?;
for (outp, tx_material) in self.per_input_material.iter() {
}
}
-#[derive(PartialEq)]
-pub(super) enum InputDescriptors {
+#[derive(PartialEq, Clone, Copy)]
+pub(crate) enum InputDescriptors {
RevokedOfferedHTLC,
RevokedReceivedHTLC,
OfferedHTLC,
RevokedOutput, // either a revoked to_local output on commitment tx, a revoked HTLC-Timeout output or a revoked HTLC-Success output
}
+impl Writeable for InputDescriptors {
+ fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
+ match self {
+ &InputDescriptors::RevokedOfferedHTLC => {
+ writer.write_all(&[0; 1])?;
+ },
+ &InputDescriptors::RevokedReceivedHTLC => {
+ writer.write_all(&[1; 1])?;
+ },
+ &InputDescriptors::OfferedHTLC => {
+ writer.write_all(&[2; 1])?;
+ },
+ &InputDescriptors::ReceivedHTLC => {
+ writer.write_all(&[3; 1])?;
+ }
+ &InputDescriptors::RevokedOutput => {
+ writer.write_all(&[4; 1])?;
+ }
+ }
+ Ok(())
+ }
+}
+
+impl Readable for InputDescriptors {
+ fn read<R: ::std::io::Read>(reader: &mut R) -> Result<Self, DecodeError> {
+ let input_descriptor = match <u8 as Readable>::read(reader)? {
+ 0 => {
+ InputDescriptors::RevokedOfferedHTLC
+ },
+ 1 => {
+ InputDescriptors::RevokedReceivedHTLC
+ },
+ 2 => {
+ InputDescriptors::OfferedHTLC
+ },
+ 3 => {
+ InputDescriptors::ReceivedHTLC
+ },
+ 4 => {
+ InputDescriptors::RevokedOutput
+ }
+ _ => return Err(DecodeError::InvalidValue),
+ };
+ Ok(input_descriptor)
+ }
+}
+
macro_rules! subtract_high_prio_fee {
- ($self: ident, $fee_estimator: expr, $value: expr, $predicted_weight: expr, $used_feerate: expr) => {
+ ($logger: ident, $fee_estimator: expr, $value: expr, $predicted_weight: expr, $used_feerate: expr) => {
{
- $used_feerate = $fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::HighPriority);
- let mut fee = $used_feerate * ($predicted_weight as u64) / 1000;
+ $used_feerate = $fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::HighPriority).into();
+ let mut fee = $used_feerate as u64 * $predicted_weight / 1000;
if $value <= fee {
- $used_feerate = $fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::Normal);
- fee = $used_feerate * ($predicted_weight as u64) / 1000;
- if $value <= fee {
- $used_feerate = $fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::Background);
- fee = $used_feerate * ($predicted_weight as u64) / 1000;
+ $used_feerate = $fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::Normal).into();
+ fee = $used_feerate as u64 * $predicted_weight / 1000;
+ if $value <= fee.into() {
+ $used_feerate = $fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::Background).into();
+ fee = $used_feerate as u64 * $predicted_weight / 1000;
if $value <= fee {
- log_error!($self, "Failed to generate an on-chain punishment tx as even low priority fee ({} sat) was more than the entire claim balance ({} sat)",
+ 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, $value);
false
} else {
- log_warn!($self, "Used low priority fee for on-chain punishment tx as high priority fee was more than the entire claim balance ({} sat)",
+ log_warn!($logger, "Used low priority fee for on-chain punishment tx as high priority fee was more than the entire claim balance ({} sat)",
$value);
$value -= fee;
true
}
} else {
- log_warn!($self, "Used medium priority fee for on-chain punishment tx as high priority fee was more than the entire claim balance ({} sat)",
+ log_warn!($logger, "Used medium priority fee for on-chain punishment tx as high priority fee was more than the entire claim balance ({} sat)",
$value);
$value -= fee;
true
local_htlc_sigs: Option<Vec<Option<(usize, Signature)>>>,
prev_local_commitment: Option<LocalCommitmentTransaction>,
prev_local_htlc_sigs: Option<Vec<Option<(usize, Signature)>>>,
- local_csv: u16,
+ on_local_tx_csv: u16,
key_storage: ChanSigner,
onchain_events_waiting_threshold_conf: HashMap<u32, Vec<OnchainEvent>>,
secp_ctx: Secp256k1<secp256k1::All>,
- logger: Arc<Logger>
}
impl<ChanSigner: ChannelKeys + Writeable> OnchainTxHandler<ChanSigner> {
self.prev_local_commitment.write(writer)?;
self.prev_local_htlc_sigs.write(writer)?;
- self.local_csv.write(writer)?;
+ self.on_local_tx_csv.write(writer)?;
self.key_storage.write(writer)?;
}
}
-impl<ChanSigner: ChannelKeys + Readable> ReadableArgs<Arc<Logger>> for OnchainTxHandler<ChanSigner> {
- fn read<R: ::std::io::Read>(reader: &mut R, logger: Arc<Logger>) -> Result<Self, DecodeError> {
+impl<ChanSigner: ChannelKeys + Readable> Readable for OnchainTxHandler<ChanSigner> {
+ fn read<R: ::std::io::Read>(reader: &mut R) -> Result<Self, DecodeError> {
let destination_script = Readable::read(reader)?;
let local_commitment = Readable::read(reader)?;
let prev_local_commitment = Readable::read(reader)?;
let prev_local_htlc_sigs = Readable::read(reader)?;
- let local_csv = Readable::read(reader)?;
+ let on_local_tx_csv = Readable::read(reader)?;
let key_storage = Readable::read(reader)?;
local_htlc_sigs,
prev_local_commitment,
prev_local_htlc_sigs,
- local_csv,
+ on_local_tx_csv,
key_storage,
claimable_outpoints,
pending_claim_requests,
onchain_events_waiting_threshold_conf,
secp_ctx: Secp256k1::new(),
- logger,
})
}
}
impl<ChanSigner: ChannelKeys> OnchainTxHandler<ChanSigner> {
- pub(super) fn new(destination_script: Script, keys: ChanSigner, local_csv: u16, logger: Arc<Logger>) -> Self {
+ pub(super) fn new(destination_script: Script, keys: ChanSigner, on_local_tx_csv: u16) -> Self {
let key_storage = keys;
local_htlc_sigs: None,
prev_local_commitment: None,
prev_local_htlc_sigs: None,
- local_csv,
+ on_local_tx_csv,
key_storage,
pending_claim_requests: HashMap::new(),
claimable_outpoints: HashMap::new(),
onchain_events_waiting_threshold_conf: HashMap::new(),
secp_ctx: Secp256k1::new(),
- logger,
}
}
/// Lightning security model (i.e being able to redeem/timeout HTLC or penalize coutnerparty onchain) lays on the assumption of claim transactions getting confirmed before timelock expiration
/// (CSV or CLTV following cases). In case of high-fee spikes, claim tx may stuck in the mempool, so you need to bump its feerate quickly using Replace-By-Fee or Child-Pay-For-Parent.
- fn generate_claim_tx<F: Deref>(&mut self, height: u32, cached_claim_datas: &ClaimTxBumpMaterial, fee_estimator: F) -> Option<(Option<u32>, u64, Transaction)>
- where F::Target: FeeEstimator
+ fn generate_claim_tx<F: Deref, L: Deref>(&mut self, height: u32, cached_claim_datas: &ClaimTxBumpMaterial, fee_estimator: F, logger: L) -> Option<(Option<u32>, u32, Transaction)>
+ where F::Target: FeeEstimator,
+ L::Target: Logger,
{
if cached_claim_datas.per_input_material.len() == 0 { return None } // But don't prune pending claiming request yet, we may have to resurrect HTLCs
let mut inputs = Vec::new();
for outp in cached_claim_datas.per_input_material.keys() {
- log_trace!(self, "Outpoint {}:{}", outp.txid, outp.vout);
+ log_trace!(logger, "Outpoint {}:{}", outp.txid, outp.vout);
inputs.push(TxIn {
previous_output: *outp,
script_sig: Script::new(),
macro_rules! RBF_bump {
($amount: expr, $old_feerate: expr, $fee_estimator: expr, $predicted_weight: expr) => {
{
- let mut used_feerate;
+ let mut used_feerate: u32;
// If old feerate inferior to actual one given back by Fee Estimator, use it to compute new fee...
let new_fee = if $old_feerate < $fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::HighPriority) {
let mut value = $amount;
- if subtract_high_prio_fee!(self, $fee_estimator, value, $predicted_weight, used_feerate) {
+ if subtract_high_prio_fee!(logger, $fee_estimator, value, $predicted_weight, used_feerate) {
// Overflow check is done in subtract_high_prio_fee
- $amount - value
+ ($amount - value)
} else {
- log_trace!(self, "Can't new-estimation bump new claiming tx, amount {} is too small", $amount);
+ log_trace!(logger, "Can't new-estimation bump new claiming tx, amount {} is too small", $amount);
return None;
}
// ...else just increase the previous feerate by 25% (because that's a nice number)
} else {
- let fee = $old_feerate * $predicted_weight / 750;
+ let fee = $old_feerate as u64 * ($predicted_weight as u64) / 750;
if $amount <= fee {
- log_trace!(self, "Can't 25% bump new claiming tx, amount {} is too small", $amount);
+ log_trace!(logger, "Can't 25% bump new claiming tx, amount {} is too small", $amount);
return None;
}
fee
};
- let previous_fee = $old_feerate * $predicted_weight / 1000;
- let min_relay_fee = MIN_RELAY_FEE_SAT_PER_1000_WEIGHT * $predicted_weight / 1000;
+ let previous_fee = $old_feerate as u64 * ($predicted_weight as u64) / 1000;
+ let min_relay_fee = MIN_RELAY_FEE_SAT_PER_1000_WEIGHT * ($predicted_weight as u64) / 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.
} else {
new_fee
};
- Some((new_fee, new_fee * 1000 / $predicted_weight))
+ Some((new_fee, new_fee * 1000 / ($predicted_weight as u64)))
}
}
}
let mut dynamic_fee = true;
for per_outp_material in cached_claim_datas.per_input_material.values() {
match per_outp_material {
- &InputMaterial::Revoked { ref witness_script, ref is_htlc, ref amount, .. } => {
- inputs_witnesses_weight += Self::get_witnesses_weight(if !is_htlc { &[InputDescriptors::RevokedOutput] } else if HTLCType::scriptlen_to_htlctype(witness_script.len()) == Some(HTLCType::OfferedHTLC) { &[InputDescriptors::RevokedOfferedHTLC] } else if HTLCType::scriptlen_to_htlctype(witness_script.len()) == Some(HTLCType::AcceptedHTLC) { &[InputDescriptors::RevokedReceivedHTLC] } else { unreachable!() });
+ &InputMaterial::Revoked { ref input_descriptor, ref amount, .. } => {
+ inputs_witnesses_weight += Self::get_witnesses_weight(&[*input_descriptor]);
amt += *amount;
},
- &InputMaterial::RemoteHTLC { ref preimage, ref amount, .. } => {
+ &InputMaterial::RemoteHTLC { ref preimage, ref htlc, .. } => {
inputs_witnesses_weight += Self::get_witnesses_weight(if preimage.is_some() { &[InputDescriptors::OfferedHTLC] } else { &[InputDescriptors::ReceivedHTLC] });
- amt += *amount;
+ amt += htlc.amount_msat / 1000;
},
&InputMaterial::LocalHTLC { .. } => {
dynamic_fee = false;
}
}
if dynamic_fee {
- let predicted_weight = bumped_tx.get_weight() + inputs_witnesses_weight;
+ let predicted_weight = (bumped_tx.get_weight() + inputs_witnesses_weight) as u64;
let mut new_feerate;
// If old feerate is 0, first iteration of this claim, use normal fee calculation
if cached_claim_datas.feerate_previous != 0 {
- if let Some((new_fee, feerate)) = RBF_bump!(amt, cached_claim_datas.feerate_previous, fee_estimator, predicted_weight as u64) {
+ if let Some((new_fee, feerate)) = RBF_bump!(amt, cached_claim_datas.feerate_previous, fee_estimator, predicted_weight) {
// If new computed fee is superior at the whole claimable amount burn all in fees
- if new_fee > amt {
+ if new_fee as u64 > amt {
bumped_tx.output[0].value = 0;
} else {
- bumped_tx.output[0].value = amt - new_fee;
+ bumped_tx.output[0].value = amt - new_fee as u64;
}
new_feerate = feerate;
} else { return None; }
} else {
- if subtract_high_prio_fee!(self, fee_estimator, amt, predicted_weight, new_feerate) {
+ if subtract_high_prio_fee!(logger, fee_estimator, amt, predicted_weight, new_feerate) {
bumped_tx.output[0].value = amt;
} else { return None; }
}
for (i, (outp, per_outp_material)) in cached_claim_datas.per_input_material.iter().enumerate() {
match per_outp_material {
- &InputMaterial::Revoked { ref witness_script, ref pubkey, ref key, ref is_htlc, ref amount } => {
- let sighash_parts = bip143::SighashComponents::new(&bumped_tx);
- let sighash = hash_to_message!(&sighash_parts.sighash_all(&bumped_tx.input[i], &witness_script, *amount)[..]);
- let sig = self.secp_ctx.sign(&sighash, &key);
- bumped_tx.input[i].witness.push(sig.serialize_der().to_vec());
- bumped_tx.input[i].witness[0].push(SigHashType::All as u8);
- if *is_htlc {
- bumped_tx.input[i].witness.push(pubkey.unwrap().clone().serialize().to_vec());
- } else {
- bumped_tx.input[i].witness.push(vec!(1));
+ &InputMaterial::Revoked { ref per_commitment_point, ref remote_delayed_payment_base_key, ref remote_htlc_base_key, ref per_commitment_key, ref input_descriptor, ref amount, ref htlc, ref on_remote_tx_csv } => {
+ if let Ok(chan_keys) = TxCreationKeys::new(&self.secp_ctx, &per_commitment_point, remote_delayed_payment_base_key, remote_htlc_base_key, &self.key_storage.pubkeys().revocation_basepoint, &self.key_storage.pubkeys().htlc_basepoint) {
+
+ let witness_script = if let Some(ref htlc) = *htlc {
+ chan_utils::get_htlc_redeemscript_with_explicit_keys(&htlc, &chan_keys.a_htlc_key, &chan_keys.b_htlc_key, &chan_keys.revocation_key)
+ } else {
+ chan_utils::get_revokeable_redeemscript(&chan_keys.revocation_key, *on_remote_tx_csv, &chan_keys.a_delayed_payment_key)
+ };
+
+ if let Ok(sig) = self.key_storage.sign_justice_transaction(&bumped_tx, i, *amount, &per_commitment_key, htlc, &self.secp_ctx) {
+ bumped_tx.input[i].witness.push(sig.serialize_der().to_vec());
+ bumped_tx.input[i].witness[0].push(SigHashType::All as u8);
+ if htlc.is_some() {
+ bumped_tx.input[i].witness.push(chan_keys.revocation_key.clone().serialize().to_vec());
+ } else {
+ bumped_tx.input[i].witness.push(vec!(1));
+ }
+ bumped_tx.input[i].witness.push(witness_script.clone().into_bytes());
+ } else { return None; }
+ //TODO: panic ?
+
+ log_trace!(logger, "Going to broadcast Penalty Transaction {} claiming revoked {} output {} from {} with new feerate {}...", bumped_tx.txid(), if *input_descriptor == InputDescriptors::RevokedOutput { "to_local" } else if *input_descriptor == InputDescriptors::RevokedOfferedHTLC { "offered" } else if *input_descriptor == InputDescriptors::RevokedReceivedHTLC { "received" } else { "" }, outp.vout, outp.txid, new_feerate);
}
- bumped_tx.input[i].witness.push(witness_script.clone().into_bytes());
- log_trace!(self, "Going to broadcast Penalty Transaction {} claiming revoked {} output {} from {} with new feerate {}...", bumped_tx.txid(), if !is_htlc { "to_local" } else if HTLCType::scriptlen_to_htlctype(witness_script.len()) == Some(HTLCType::OfferedHTLC) { "offered" } else if HTLCType::scriptlen_to_htlctype(witness_script.len()) == Some(HTLCType::AcceptedHTLC) { "received" } else { "" }, outp.vout, outp.txid, new_feerate);
},
- &InputMaterial::RemoteHTLC { ref witness_script, ref key, ref preimage, ref amount, ref locktime } => {
- if !preimage.is_some() { bumped_tx.lock_time = *locktime }; // Right now we don't aggregate time-locked transaction, if we do we should set lock_time before to avoid breaking hash computation
- let sighash_parts = bip143::SighashComponents::new(&bumped_tx);
- let sighash = hash_to_message!(&sighash_parts.sighash_all(&bumped_tx.input[i], &witness_script, *amount)[..]);
- let sig = self.secp_ctx.sign(&sighash, &key);
- bumped_tx.input[i].witness.push(sig.serialize_der().to_vec());
- bumped_tx.input[i].witness[0].push(SigHashType::All as u8);
- if let &Some(preimage) = preimage {
- bumped_tx.input[i].witness.push(preimage.clone().0.to_vec());
- } else {
- bumped_tx.input[i].witness.push(vec![]);
+ &InputMaterial::RemoteHTLC { ref per_commitment_point, ref remote_delayed_payment_base_key, ref remote_htlc_base_key, ref preimage, ref htlc } => {
+ if let Ok(chan_keys) = TxCreationKeys::new(&self.secp_ctx, &per_commitment_point, remote_delayed_payment_base_key, remote_htlc_base_key, &self.key_storage.pubkeys().revocation_basepoint, &self.key_storage.pubkeys().htlc_basepoint) {
+ let witness_script = chan_utils::get_htlc_redeemscript_with_explicit_keys(&htlc, &chan_keys.a_htlc_key, &chan_keys.b_htlc_key, &chan_keys.revocation_key);
+
+ if !preimage.is_some() { bumped_tx.lock_time = 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) = self.key_storage.sign_remote_htlc_transaction(&bumped_tx, i, &htlc.amount_msat / 1000, &per_commitment_point, htlc, &self.secp_ctx) {
+ bumped_tx.input[i].witness.push(sig.serialize_der().to_vec());
+ bumped_tx.input[i].witness[0].push(SigHashType::All as u8);
+ if let &Some(preimage) = preimage {
+ bumped_tx.input[i].witness.push(preimage.0.to_vec());
+ } else {
+ // 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());
+ }
+ log_trace!(logger, "Going to broadcast Claim Transaction {} claiming remote {} htlc output {} from {} with new feerate {}...", bumped_tx.txid(), if preimage.is_some() { "offered" } else { "received" }, outp.vout, outp.txid, new_feerate);
}
- bumped_tx.input[i].witness.push(witness_script.clone().into_bytes());
- log_trace!(self, "Going to broadcast Claim Transaction {} claiming remote {} htlc output {} from {} with new feerate {}...", bumped_tx.txid(), if preimage.is_some() { "offered" } else { "received" }, outp.vout, outp.txid, new_feerate);
},
_ => unreachable!()
}
}
- log_trace!(self, "...with timer {}", new_timer.unwrap());
- assert!(predicted_weight >= bumped_tx.get_weight());
- return Some((new_timer, new_feerate, bumped_tx))
+ log_trace!(logger, "...with timer {}", new_timer.unwrap());
+ assert!(predicted_weight >= bumped_tx.get_weight() as u64);
+ return Some((new_timer, new_feerate as u32, bumped_tx))
} else {
for (_, (outp, per_outp_material)) in cached_claim_datas.per_input_material.iter().enumerate() {
match per_outp_material {
if let Some(htlc_tx) = htlc_tx {
let feerate = (amount - htlc_tx.output[0].value) * 1000 / htlc_tx.get_weight() as u64;
// Timer set to $NEVER given we can't bump tx without anchor outputs
- log_trace!(self, "Going to broadcast Local HTLC-{} claiming HTLC output {} from {}...", if preimage.is_some() { "Success" } else { "Timeout" }, outp.vout, outp.txid);
- return Some((None, feerate, htlc_tx));
+ log_trace!(logger, "Going to broadcast Local HTLC-{} claiming HTLC output {} from {}...", if preimage.is_some() { "Success" } else { "Timeout" }, outp.vout, outp.txid);
+ return Some((None, feerate as u32, htlc_tx));
}
return None;
},
&InputMaterial::Funding { ref funding_redeemscript } => {
let signed_tx = self.get_fully_signed_local_tx(funding_redeemscript).unwrap();
// Timer set to $NEVER given we can't bump tx without anchor outputs
- log_trace!(self, "Going to broadcast Local Transaction {} claiming funding output {} from {}...", signed_tx.txid(), outp.vout, outp.txid);
+ log_trace!(logger, "Going to broadcast Local Transaction {} claiming funding output {} from {}...", signed_tx.txid(), outp.vout, outp.txid);
return Some((None, self.local_commitment.as_ref().unwrap().feerate_per_kw, signed_tx));
}
_ => unreachable!()
None
}
- pub(super) fn block_connected<B: Deref, F: Deref>(&mut self, txn_matched: &[&Transaction], claimable_outpoints: Vec<ClaimRequest>, height: u32, broadcaster: B, fee_estimator: F)
+ pub(super) fn block_connected<B: Deref, F: Deref, L: Deref>(&mut self, txn_matched: &[&Transaction], claimable_outpoints: Vec<ClaimRequest>, height: u32, broadcaster: B, fee_estimator: F, logger: L)
where B::Target: BroadcasterInterface,
- F::Target: FeeEstimator
+ F::Target: FeeEstimator,
+ L::Target: Logger,
{
- log_trace!(self, "Block at height {} connected with {} claim requests", height, claimable_outpoints.len());
+ log_trace!(logger, "Block at height {} connected with {} claim requests", height, claimable_outpoints.len());
let mut new_claims = Vec::new();
let mut aggregated_claim = HashMap::new();
let mut aggregated_soonest = ::std::u32::MAX;
// <= CLTV_SHARED_CLAIM_BUFFER) and they don't require an immediate nLockTime (aggregable).
for req in claimable_outpoints {
// Don't claim a outpoint twice that would be bad for privacy and may uselessly lock a CPFP input for a while
- if let Some(_) = self.claimable_outpoints.get(&req.outpoint) { log_trace!(self, "Bouncing off outpoint {}:{}, already registered its claiming request", req.outpoint.txid, req.outpoint.vout); } else {
- log_trace!(self, "Test if outpoint can be aggregated with expiration {} against {}", req.absolute_timelock, height + CLTV_SHARED_CLAIM_BUFFER);
+ if let Some(_) = self.claimable_outpoints.get(&req.outpoint) { log_trace!(logger, "Bouncing off outpoint {}:{}, already registered its claiming request", req.outpoint.txid, req.outpoint.vout); } else {
+ log_trace!(logger, "Test if outpoint can be aggregated with expiration {} against {}", req.absolute_timelock, height + CLTV_SHARED_CLAIM_BUFFER);
if req.absolute_timelock <= height + CLTV_SHARED_CLAIM_BUFFER || !req.aggregable { // Don't aggregate if outpoint absolute timelock is soon or marked as non-aggregable
let mut single_input = HashMap::new();
single_input.insert(req.outpoint, req.witness_data);
// height timer expiration (i.e in how many blocks we're going to take action).
for (soonest_timelock, claim) in new_claims.drain(..) {
let mut claim_material = ClaimTxBumpMaterial { height_timer: None, feerate_previous: 0, soonest_timelock, per_input_material: claim };
- if let Some((new_timer, new_feerate, tx)) = self.generate_claim_tx(height, &claim_material, &*fee_estimator) {
+ if let Some((new_timer, new_feerate, tx)) = self.generate_claim_tx(height, &claim_material, &*fee_estimator, &*logger) {
claim_material.height_timer = new_timer;
claim_material.feerate_previous = new_feerate;
let txid = tx.txid();
for k in claim_material.per_input_material.keys() {
- log_trace!(self, "Registering claiming request for {}:{}", k.txid, k.vout);
+ log_trace!(logger, "Registering claiming request for {}:{}", k.txid, k.vout);
self.claimable_outpoints.insert(k.clone(), (txid, height));
}
self.pending_claim_requests.insert(txid, claim_material);
- log_trace!(self, "Broadcast onchain {}", log_tx!(tx));
+ log_trace!(logger, "Broadcast onchain {}", log_tx!(tx));
broadcaster.broadcast_transaction(&tx);
}
}
}
// Build, bump and rebroadcast tx accordingly
- log_trace!(self, "Bumping {} candidates", bump_candidates.len());
+ log_trace!(logger, "Bumping {} candidates", bump_candidates.len());
for (first_claim_txid, claim_material) in bump_candidates.iter() {
- if let Some((new_timer, new_feerate, bump_tx)) = self.generate_claim_tx(height, &claim_material, &*fee_estimator) {
- log_trace!(self, "Broadcast onchain {}", log_tx!(bump_tx));
+ if let Some((new_timer, new_feerate, bump_tx)) = self.generate_claim_tx(height, &claim_material, &*fee_estimator, &*logger) {
+ log_trace!(logger, "Broadcast onchain {}", log_tx!(bump_tx));
broadcaster.broadcast_transaction(&bump_tx);
if let Some(claim_material) = self.pending_claim_requests.get_mut(first_claim_txid) {
claim_material.height_timer = new_timer;
}
}
- pub(super) fn block_disconnected<B: Deref, F: Deref>(&mut self, height: u32, broadcaster: B, fee_estimator: F)
+ pub(super) fn block_disconnected<B: Deref, F: Deref, L: Deref>(&mut self, height: u32, broadcaster: B, fee_estimator: F, logger: L)
where B::Target: BroadcasterInterface,
- F::Target: FeeEstimator
+ F::Target: FeeEstimator,
+ L::Target: Logger,
{
let mut bump_candidates = HashMap::new();
if let Some(events) = self.onchain_events_waiting_threshold_conf.remove(&(height + ANTI_REORG_DELAY - 1)) {
}
}
for (_, claim_material) in bump_candidates.iter_mut() {
- if let Some((new_timer, new_feerate, bump_tx)) = self.generate_claim_tx(height, &claim_material, &*fee_estimator) {
+ if let Some((new_timer, new_feerate, bump_tx)) = self.generate_claim_tx(height, &claim_material, &*fee_estimator, &*logger) {
claim_material.height_timer = new_timer;
claim_material.feerate_previous = new_feerate;
broadcaster.broadcast_transaction(&bump_tx);
fn sign_latest_local_htlcs(&mut self) {
if let Some(ref local_commitment) = self.local_commitment {
- if let Ok(sigs) = self.key_storage.sign_local_commitment_htlc_transactions(local_commitment, self.local_csv, &self.secp_ctx) {
+ if let Ok(sigs) = self.key_storage.sign_local_commitment_htlc_transactions(local_commitment, &self.secp_ctx) {
self.local_htlc_sigs = Some(Vec::new());
let ret = self.local_htlc_sigs.as_mut().unwrap();
for (htlc_idx, (local_sig, &(ref htlc, _))) in sigs.iter().zip(local_commitment.per_htlc.iter()).enumerate() {
}
fn sign_prev_local_htlcs(&mut self) {
if let Some(ref local_commitment) = self.prev_local_commitment {
- if let Ok(sigs) = self.key_storage.sign_local_commitment_htlc_transactions(local_commitment, self.local_csv, &self.secp_ctx) {
+ if let Ok(sigs) = self.key_storage.sign_local_commitment_htlc_transactions(local_commitment, &self.secp_ctx) {
self.prev_local_htlc_sigs = Some(Vec::new());
let ret = self.prev_local_htlc_sigs.as_mut().unwrap();
for (htlc_idx, (local_sig, &(ref htlc, _))) in sigs.iter().zip(local_commitment.per_htlc.iter()).enumerate() {
if let &Some(ref htlc_sigs) = &self.local_htlc_sigs {
let &(ref htlc_idx, ref htlc_sig) = htlc_sigs[outp.vout as usize].as_ref().unwrap();
htlc_tx = Some(self.local_commitment.as_ref().unwrap()
- .get_signed_htlc_tx(*htlc_idx, htlc_sig, preimage, self.local_csv));
+ .get_signed_htlc_tx(*htlc_idx, htlc_sig, preimage, self.on_local_tx_csv));
}
}
}
if let &Some(ref htlc_sigs) = &self.prev_local_htlc_sigs {
let &(ref htlc_idx, ref htlc_sig) = htlc_sigs[outp.vout as usize].as_ref().unwrap();
htlc_tx = Some(self.prev_local_commitment.as_ref().unwrap()
- .get_signed_htlc_tx(*htlc_idx, htlc_sig, preimage, self.local_csv));
+ .get_signed_htlc_tx(*htlc_idx, htlc_sig, preimage, self.on_local_tx_csv));
}
}
}