use bitcoin::blockdata::opcodes;
use bitcoin::util::hash::BitcoinHash;
use bitcoin::util::bip143;
-use bitcoin::consensus::encode::{self, Encodable, Decodable};
+use bitcoin::consensus::encode;
use bitcoin_hashes::{Hash, HashEngine};
use bitcoin_hashes::sha256::Hash as Sha256;
use ln::msgs::{DecodeError, OptionalField, LocalFeatures, DataLossProtect};
use ln::channelmonitor::ChannelMonitor;
use ln::channelmanager::{PendingHTLCStatus, HTLCSource, HTLCFailReason, HTLCFailureMsg, PendingForwardHTLCInfo, RAACommitmentOrder, PaymentPreimage, PaymentHash, BREAKDOWN_TIMEOUT, MAX_LOCAL_BREAKDOWN_TIMEOUT};
-use ln::chan_utils::{TxCreationKeys,HTLCOutputInCommitment,HTLC_SUCCESS_TX_WEIGHT,HTLC_TIMEOUT_TX_WEIGHT};
+use ln::chan_utils::{LocalCommitmentTransaction,TxCreationKeys,HTLCOutputInCommitment,HTLC_SUCCESS_TX_WEIGHT,HTLC_TIMEOUT_TX_WEIGHT};
use ln::chan_utils;
use chain::chaininterface::{FeeEstimator,ConfirmationTarget};
use chain::transaction::OutPoint;
use chain::keysinterface::{ChannelKeys, KeysInterface};
use util::transaction_utils;
-use util::ser::{Readable, ReadableArgs, Writeable, Writer, WriterWriteAdaptor};
+use util::ser::{Readable, ReadableArgs, Writeable, Writer};
use util::logger::{Logger, LogHolder};
use util::errors::APIError;
use util::config::{UserConfig,ChannelConfig};
/// Max to_local and to_remote outputs in a remote-generated commitment transaction
max_commitment_tx_output_remote: ::std::sync::Mutex<(u64, u64)>,
- #[cfg(test)]
- // Used in ChannelManager's tests to send a revoked transaction
- pub last_local_commitment_txn: Vec<Transaction>,
- #[cfg(not(test))]
- last_local_commitment_txn: Vec<Transaction>,
-
last_sent_closing_fee: Option<(u64, u64, Signature)>, // (feerate, fee, our_sig)
/// The hash of the block in which the funding transaction reached our CONF_TARGET. We use this
/// it's 2^24.
pub const MAX_FUNDING_SATOSHIS: u64 = (1 << 24);
-#[cfg(test)]
-pub const ACCEPTED_HTLC_SCRIPT_WEIGHT: usize = 138; //Here we have a diff due to HTLC CLTV expiry being < 2^15 in test
-#[cfg(not(test))]
-pub const ACCEPTED_HTLC_SCRIPT_WEIGHT: usize = 139;
-pub const OFFERED_HTLC_SCRIPT_WEIGHT: usize = 133;
-
/// Used to return a simple Error back to ChannelManager. Will get converted to a
/// msgs::ErrorAction::SendErrorMessage or msgs::ErrorAction::IgnoreError as appropriate with our
/// channel_id in ChannelManager.
let feerate = fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::Normal);
let secp_ctx = Secp256k1::new();
- let channel_monitor = ChannelMonitor::new(chan_keys.revocation_base_key(), chan_keys.delayed_payment_base_key(),
+ let channel_monitor = ChannelMonitor::new(chan_keys.funding_key(), chan_keys.revocation_base_key(), chan_keys.delayed_payment_base_key(),
chan_keys.htlc_base_key(), chan_keys.payment_base_key(), &keys_provider.get_shutdown_pubkey(), config.own_channel_config.our_to_self_delay,
keys_provider.get_destination_script(), logger.clone());
#[cfg(debug_assertions)]
max_commitment_tx_output_remote: ::std::sync::Mutex::new((channel_value_satoshis * 1000 - push_msat, push_msat)),
- last_local_commitment_txn: Vec::new(),
-
last_sent_closing_fee: None,
funding_tx_confirmed_in: None,
}
let secp_ctx = Secp256k1::new();
- let mut channel_monitor = ChannelMonitor::new(chan_keys.revocation_base_key(), chan_keys.delayed_payment_base_key(),
- chan_keys.htlc_base_key(), chan_keys.payment_base_key(), &keys_provider.get_shutdown_pubkey(), config.own_channel_config.our_to_self_delay,
- keys_provider.get_destination_script(), logger.clone());
- channel_monitor.set_their_base_keys(&msg.htlc_basepoint, &msg.delayed_payment_basepoint);
- channel_monitor.set_their_to_self_delay(msg.to_self_delay);
+ let channel_monitor = ChannelMonitor::new(chan_keys.funding_key(), chan_keys.revocation_base_key(), chan_keys.delayed_payment_base_key(),
+ chan_keys.htlc_base_key(), chan_keys.payment_base_key(), &keys_provider.get_shutdown_pubkey(), config.own_channel_config.our_to_self_delay,
+ keys_provider.get_destination_script(), logger.clone());
let their_shutdown_scriptpubkey = if their_local_features.supports_upfront_shutdown_script() {
match &msg.shutdown_scriptpubkey {
#[cfg(debug_assertions)]
max_commitment_tx_output_remote: ::std::sync::Mutex::new((msg.push_msat, msg.funding_satoshis * 1000 - msg.push_msat)),
- last_local_commitment_txn: Vec::new(),
-
last_sent_closing_fee: None,
funding_tx_confirmed_in: None,
};
let obscure_factor = chan.get_commitment_transaction_number_obscure_factor();
- chan.channel_monitor.set_commitment_obscure_factor(obscure_factor);
+ let funding_redeemscript = chan.get_funding_redeemscript();
+ chan.channel_monitor.set_basic_channel_info(&msg.htlc_basepoint, &msg.delayed_payment_basepoint, msg.to_self_delay, funding_redeemscript, msg.funding_satoshis, obscure_factor);
Ok(chan)
}
}.push_opcode(opcodes::all::OP_PUSHNUM_2).push_opcode(opcodes::all::OP_CHECKMULTISIG).into_script()
}
- fn sign_commitment_transaction(&self, tx: &mut Transaction, their_sig: &Signature) -> Signature {
- if tx.input.len() != 1 {
- panic!("Tried to sign commitment transaction that had input count != 1!");
- }
- if tx.input[0].witness.len() != 0 {
- panic!("Tried to re-sign commitment transaction");
- }
-
- let funding_redeemscript = self.get_funding_redeemscript();
-
- let sighash = hash_to_message!(&bip143::SighashComponents::new(&tx).sighash_all(&tx.input[0], &funding_redeemscript, self.channel_value_satoshis)[..]);
- let our_sig = self.secp_ctx.sign(&sighash, self.local_keys.funding_key());
-
- tx.input[0].witness.push(Vec::new()); // First is the multisig dummy
-
- let our_funding_key = PublicKey::from_secret_key(&self.secp_ctx, self.local_keys.funding_key()).serialize();
- let their_funding_key = self.their_funding_pubkey.unwrap().serialize();
- if our_funding_key[..] < their_funding_key[..] {
- tx.input[0].witness.push(our_sig.serialize_der().to_vec());
- tx.input[0].witness.push(their_sig.serialize_der().to_vec());
- } else {
- tx.input[0].witness.push(their_sig.serialize_der().to_vec());
- tx.input[0].witness.push(our_sig.serialize_der().to_vec());
- }
- tx.input[0].witness[1].push(SigHashType::All as u8);
- tx.input[0].witness[2].push(SigHashType::All as u8);
-
- tx.input[0].witness.push(funding_redeemscript.into_bytes());
-
- our_sig
- }
-
/// Builds the htlc-success or htlc-timeout transaction which spends a given HTLC output
/// @local is used only to convert relevant internal structures which refer to remote vs local
/// to decide value of outputs and direction of HTLCs.
chan_utils::build_htlc_transaction(prev_hash, feerate_per_kw, if local { self.their_to_self_delay } else { self.our_to_self_delay }, htlc, &keys.a_delayed_payment_key, &keys.revocation_key)
}
- fn create_htlc_tx_signature(&self, tx: &Transaction, htlc: &HTLCOutputInCommitment, keys: &TxCreationKeys) -> Result<(Script, Signature, bool), ChannelError> {
- if tx.input.len() != 1 {
- panic!("Tried to sign HTLC transaction that had input count != 1!");
- }
-
- let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &keys);
-
- let our_htlc_key = secp_check!(chan_utils::derive_private_key(&self.secp_ctx, &keys.per_commitment_point, self.local_keys.htlc_base_key()), "Derived invalid key, peer is maliciously selecting parameters");
- let sighash = hash_to_message!(&bip143::SighashComponents::new(&tx).sighash_all(&tx.input[0], &htlc_redeemscript, htlc.amount_msat / 1000)[..]);
- let is_local_tx = PublicKey::from_secret_key(&self.secp_ctx, &our_htlc_key) == keys.a_htlc_key;
- Ok((htlc_redeemscript, self.secp_ctx.sign(&sighash, &our_htlc_key), is_local_tx))
- }
-
- /// Signs a transaction created by build_htlc_transaction. If the transaction is an
- /// HTLC-Success transaction (ie htlc.offered is false), preimage must be set!
- fn sign_htlc_transaction(&self, tx: &mut Transaction, their_sig: &Signature, preimage: &Option<PaymentPreimage>, htlc: &HTLCOutputInCommitment, keys: &TxCreationKeys) -> Result<Signature, ChannelError> {
- if tx.input.len() != 1 {
- panic!("Tried to sign HTLC transaction that had input count != 1!");
- }
- if tx.input[0].witness.len() != 0 {
- panic!("Tried to re-sign HTLC transaction");
- }
-
- let (htlc_redeemscript, our_sig, local_tx) = self.create_htlc_tx_signature(tx, htlc, keys)?;
-
- tx.input[0].witness.push(Vec::new()); // First is the multisig dummy
-
- if local_tx { // b, then a
- tx.input[0].witness.push(their_sig.serialize_der().to_vec());
- tx.input[0].witness.push(our_sig.serialize_der().to_vec());
- } else {
- tx.input[0].witness.push(our_sig.serialize_der().to_vec());
- tx.input[0].witness.push(their_sig.serialize_der().to_vec());
- }
- tx.input[0].witness[1].push(SigHashType::All as u8);
- tx.input[0].witness[2].push(SigHashType::All as u8);
-
- if htlc.offered {
- tx.input[0].witness.push(Vec::new());
- } else {
- tx.input[0].witness.push(preimage.unwrap().0.to_vec());
- }
-
- tx.input[0].witness.push(htlc_redeemscript.into_bytes());
-
- Ok(our_sig)
- }
-
/// Per HTLC, only one get_update_fail_htlc or get_update_fulfill_htlc call may be made.
/// In such cases we debug_assert!(false) and return an IgnoreError. Thus, will always return
/// Ok(_) if debug assertions are turned on and preconditions are met.
}
} else { None };
- self.channel_monitor.set_their_base_keys(&msg.htlc_basepoint, &msg.delayed_payment_basepoint);
-
self.their_dust_limit_satoshis = msg.dust_limit_satoshis;
self.their_max_htlc_value_in_flight_msat = cmp::min(msg.max_htlc_value_in_flight_msat, self.channel_value_satoshis * 1000);
self.their_channel_reserve_satoshis = msg.channel_reserve_satoshis;
self.their_shutdown_scriptpubkey = their_shutdown_scriptpubkey;
let obscure_factor = self.get_commitment_transaction_number_obscure_factor();
- self.channel_monitor.set_commitment_obscure_factor(obscure_factor);
- self.channel_monitor.set_their_to_self_delay(msg.to_self_delay);
+ let funding_redeemscript = self.get_funding_redeemscript();
+ self.channel_monitor.set_basic_channel_info(&msg.htlc_basepoint, &msg.delayed_payment_basepoint, msg.to_self_delay, funding_redeemscript, self.channel_value_satoshis, obscure_factor);
self.channel_state = ChannelState::OurInitSent as u32 | ChannelState::TheirInitSent as u32;
Ok(())
}
- fn funding_created_signature(&mut self, sig: &Signature) -> Result<(Transaction, Transaction, Signature, TxCreationKeys), ChannelError> {
+ fn funding_created_signature(&mut self, sig: &Signature) -> Result<(Transaction, LocalCommitmentTransaction, Signature, TxCreationKeys), ChannelError> {
let funding_script = self.get_funding_redeemscript();
let local_keys = self.build_local_transaction_keys(self.cur_local_commitment_transaction_number)?;
- let mut local_initial_commitment_tx = self.build_commitment_transaction(self.cur_local_commitment_transaction_number, &local_keys, true, false, self.feerate_per_kw).0;
+ let local_initial_commitment_tx = self.build_commitment_transaction(self.cur_local_commitment_transaction_number, &local_keys, true, false, self.feerate_per_kw).0;
let local_sighash = hash_to_message!(&bip143::SighashComponents::new(&local_initial_commitment_tx).sighash_all(&local_initial_commitment_tx.input[0], &funding_script, self.channel_value_satoshis)[..]);
// They sign the "local" commitment transaction...
secp_check!(self.secp_ctx.verify(&local_sighash, &sig, &self.their_funding_pubkey.unwrap()), "Invalid funding_created signature from peer");
- // ...and we sign it, allowing us to broadcast the tx if we wish
- self.sign_commitment_transaction(&mut local_initial_commitment_tx, sig);
+ let localtx = LocalCommitmentTransaction::new_missing_local_sig(local_initial_commitment_tx, sig, &PublicKey::from_secret_key(&self.secp_ctx, self.local_keys.funding_key()), self.their_funding_pubkey.as_ref().unwrap());
let remote_keys = self.build_remote_transaction_keys()?;
let remote_initial_commitment_tx = self.build_commitment_transaction(self.cur_remote_commitment_transaction_number, &remote_keys, false, false, self.feerate_per_kw).0;
.map_err(|_| ChannelError::Close("Failed to get signatures for new commitment_signed"))?.0;
// We sign the "remote" commitment transaction, allowing them to broadcast the tx if they wish.
- Ok((remote_initial_commitment_tx, local_initial_commitment_tx, remote_signature, local_keys))
+ Ok((remote_initial_commitment_tx, localtx, remote_signature, local_keys))
}
pub fn funding_created(&mut self, msg: &msgs::FundingCreated) -> Result<(msgs::FundingSigned, ChannelMonitor), ChannelError> {
// Now that we're past error-generating stuff, update our local state:
self.channel_monitor.provide_latest_remote_commitment_tx_info(&remote_initial_commitment_tx, Vec::new(), self.cur_remote_commitment_transaction_number, self.their_cur_commitment_point.unwrap());
- self.last_local_commitment_txn = vec![local_initial_commitment_tx.clone()];
self.channel_monitor.provide_latest_local_commitment_tx_info(local_initial_commitment_tx, local_keys, self.feerate_per_kw, Vec::new());
self.channel_state = ChannelState::FundingSent as u32;
self.channel_id = funding_txo.to_channel_id();
let funding_script = self.get_funding_redeemscript();
let local_keys = self.build_local_transaction_keys(self.cur_local_commitment_transaction_number)?;
- let mut local_initial_commitment_tx = self.build_commitment_transaction(self.cur_local_commitment_transaction_number, &local_keys, true, false, self.feerate_per_kw).0;
+ let local_initial_commitment_tx = self.build_commitment_transaction(self.cur_local_commitment_transaction_number, &local_keys, true, false, self.feerate_per_kw).0;
let local_sighash = hash_to_message!(&bip143::SighashComponents::new(&local_initial_commitment_tx).sighash_all(&local_initial_commitment_tx.input[0], &funding_script, self.channel_value_satoshis)[..]);
// They sign the "local" commitment transaction, allowing us to broadcast the tx if we wish.
secp_check!(self.secp_ctx.verify(&local_sighash, &msg.signature, &self.their_funding_pubkey.unwrap()), "Invalid funding_signed signature from peer");
- self.sign_commitment_transaction(&mut local_initial_commitment_tx, &msg.signature);
- self.channel_monitor.provide_latest_local_commitment_tx_info(local_initial_commitment_tx.clone(), local_keys, self.feerate_per_kw, Vec::new());
- self.last_local_commitment_txn = vec![local_initial_commitment_tx];
+ self.channel_monitor.provide_latest_local_commitment_tx_info(
+ LocalCommitmentTransaction::new_missing_local_sig(local_initial_commitment_tx, &msg.signature, &PublicKey::from_secret_key(&self.secp_ctx, self.local_keys.funding_key()), self.their_funding_pubkey.as_ref().unwrap()),
+ local_keys, self.feerate_per_kw, Vec::new());
self.channel_state = ChannelState::FundingSent as u32 | (self.channel_state & (ChannelState::MonitorUpdateFailed as u32));
self.cur_local_commitment_transaction_number -= 1;
return Err(ChannelError::Close("Got wrong number of HTLC signatures from remote"));
}
- let mut new_local_commitment_txn = Vec::with_capacity(local_commitment_tx.1 + 1);
- self.sign_commitment_transaction(&mut local_commitment_tx.0, &msg.signature);
- new_local_commitment_txn.push(local_commitment_tx.0.clone());
-
let mut htlcs_and_sigs = Vec::with_capacity(local_commitment_tx.2.len());
for (idx, (htlc, source)) in local_commitment_tx.2.drain(..).enumerate() {
if let Some(_) = htlc.transaction_output_index {
- let mut htlc_tx = self.build_htlc_transaction(&local_commitment_txid, &htlc, true, &local_keys, feerate_per_kw);
+ let htlc_tx = self.build_htlc_transaction(&local_commitment_txid, &htlc, true, &local_keys, feerate_per_kw);
let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &local_keys);
log_trace!(self, "Checking HTLC tx signature {} by key {} against tx {} with redeemscript {}", log_bytes!(msg.htlc_signatures[idx].serialize_compact()[..]), log_bytes!(local_keys.b_htlc_key.serialize()), encode::serialize_hex(&htlc_tx), encode::serialize_hex(&htlc_redeemscript));
let htlc_sighash = hash_to_message!(&bip143::SighashComponents::new(&htlc_tx).sighash_all(&htlc_tx.input[0], &htlc_redeemscript, htlc.amount_msat / 1000)[..]);
secp_check!(self.secp_ctx.verify(&htlc_sighash, &msg.htlc_signatures[idx], &local_keys.b_htlc_key), "Invalid HTLC tx signature from peer");
- let htlc_sig = if htlc.offered {
- let htlc_sig = self.sign_htlc_transaction(&mut htlc_tx, &msg.htlc_signatures[idx], &None, &htlc, &local_keys)?;
- new_local_commitment_txn.push(htlc_tx);
- htlc_sig
- } else {
- self.create_htlc_tx_signature(&htlc_tx, &htlc, &local_keys)?.1
- };
- htlcs_and_sigs.push((htlc, Some((msg.htlc_signatures[idx], htlc_sig)), source));
+ htlcs_and_sigs.push((htlc, Some(msg.htlc_signatures[idx]), source));
} else {
htlcs_and_sigs.push((htlc, None, source));
}
}
}
- self.channel_monitor.provide_latest_local_commitment_tx_info(local_commitment_tx.0, local_keys, self.feerate_per_kw, htlcs_and_sigs);
+
+ self.channel_monitor.provide_latest_local_commitment_tx_info(
+ LocalCommitmentTransaction::new_missing_local_sig(local_commitment_tx.0, &msg.signature, &PublicKey::from_secret_key(&self.secp_ctx, self.local_keys.funding_key()), self.their_funding_pubkey.as_ref().unwrap()),
+ local_keys, self.feerate_per_kw, htlcs_and_sigs);
for htlc in self.pending_inbound_htlcs.iter_mut() {
let new_forward = if let &InboundHTLCState::RemoteAnnounced(ref forward_info) = &htlc.state {
}
self.cur_local_commitment_transaction_number -= 1;
- self.last_local_commitment_txn = new_local_commitment_txn;
// Note that if we need_our_commitment & !AwaitingRemoteRevoke we'll call
// send_commitment_no_status_check() next which will reset this to RAAFirst.
self.resend_order = RAACommitmentOrder::CommitmentFirst;
}
/// May only be called after funding has been initiated (ie is_funding_initiated() is true)
- pub fn channel_monitor(&self) -> ChannelMonitor {
+ pub fn channel_monitor(&mut self) -> &mut ChannelMonitor {
if self.channel_state < ChannelState::FundingCreated as u32 {
panic!("Can't get a channel monitor until funding has been created");
}
- self.channel_monitor.clone()
+ &mut self.channel_monitor
}
/// Guaranteed to be Some after both FundingLocked messages have been exchanged (and, thus,
self.channel_state = ChannelState::ShutdownComplete as u32;
self.channel_update_count += 1;
- let mut res = Vec::new();
- mem::swap(&mut res, &mut self.last_local_commitment_txn);
- (res, dropped_outbound_htlcs)
+ (self.channel_monitor.get_latest_local_commitment_txn(), dropped_outbound_htlcs)
}
}
self.channel_update_count.write(writer)?;
self.feerate_per_kw.write(writer)?;
- (self.last_local_commitment_txn.len() as u64).write(writer)?;
- for tx in self.last_local_commitment_txn.iter() {
- if let Err(e) = tx.consensus_encode(&mut WriterWriteAdaptor(writer)) {
- match e {
- encode::Error::Io(e) => return Err(e),
- _ => panic!("last_local_commitment_txn must have been well-formed!"),
- }
- }
- }
-
match self.last_sent_closing_fee {
Some((feerate, fee, sig)) => {
1u8.write(writer)?;
let channel_update_count = Readable::read(reader)?;
let feerate_per_kw = Readable::read(reader)?;
- let last_local_commitment_txn_count: u64 = Readable::read(reader)?;
- let mut last_local_commitment_txn = Vec::with_capacity(cmp::min(last_local_commitment_txn_count as usize, OUR_MAX_HTLCS as usize*2 + 1));
- for _ in 0..last_local_commitment_txn_count {
- last_local_commitment_txn.push(match Transaction::consensus_decode(reader.by_ref()) {
- Ok(tx) => tx,
- Err(_) => return Err(DecodeError::InvalidValue),
- });
- }
-
let last_sent_closing_fee = match <u8 as Readable<R>>::read(reader)? {
0 => None,
1 => Some((Readable::read(reader)?, Readable::read(reader)?, Readable::read(reader)?)),
#[cfg(debug_assertions)]
max_commitment_tx_output_remote: ::std::sync::Mutex::new((0, 0)),
- last_local_commitment_txn,
-
last_sent_closing_fee,
funding_tx_confirmed_in,
use ln::channel::{Channel,ChannelKeys,InboundHTLCOutput,OutboundHTLCOutput,InboundHTLCState,OutboundHTLCState,HTLCOutputInCommitment,TxCreationKeys};
use ln::channel::MAX_FUNDING_SATOSHIS;
use ln::chan_utils;
+ use ln::chan_utils::LocalCommitmentTransaction;
use chain::chaininterface::{FeeEstimator,ConfirmationTarget};
use chain::keysinterface::{InMemoryChannelKeys, KeysInterface};
use chain::transaction::OutPoint;
.collect();
(res.0, htlcs)
};
+ let redeemscript = chan.get_funding_redeemscript();
let their_signature = Signature::from_der(&hex::decode($their_sig_hex).unwrap()[..]).unwrap();
- let sighash = Message::from_slice(&bip143::SighashComponents::new(&unsigned_tx.0).sighash_all(&unsigned_tx.0.input[0], &chan.get_funding_redeemscript(), chan.channel_value_satoshis)[..]).unwrap();
+ let sighash = Message::from_slice(&bip143::SighashComponents::new(&unsigned_tx.0).sighash_all(&unsigned_tx.0.input[0], &redeemscript, chan.channel_value_satoshis)[..]).unwrap();
secp_ctx.verify(&sighash, &their_signature, &chan.their_funding_pubkey.unwrap()).unwrap();
- chan.sign_commitment_transaction(&mut unsigned_tx.0, &their_signature);
+ let mut localtx = LocalCommitmentTransaction::new_missing_local_sig(unsigned_tx.0.clone(), &their_signature, &PublicKey::from_secret_key(&secp_ctx, chan.local_keys.funding_key()), chan.their_funding_pubkey.as_ref().unwrap());
+ localtx.add_local_sig(chan.local_keys.funding_key(), &redeemscript, chan.channel_value_satoshis, &chan.secp_ctx);
- assert_eq!(serialize(&unsigned_tx.0)[..],
+ assert_eq!(serialize(localtx.with_valid_witness())[..],
hex::decode($tx_hex).unwrap()[..]);
};
}
assert!(preimage.is_some());
}
- chan.sign_htlc_transaction(&mut htlc_tx, &remote_signature, &preimage, &htlc, &keys).unwrap();
+ chan_utils::sign_htlc_transaction(&mut htlc_tx, &remote_signature, &preimage, &htlc, &keys.a_htlc_key, &keys.b_htlc_key, &keys.revocation_key, &keys.per_commitment_point, chan.local_keys.htlc_base_key(), &chan.secp_ctx).unwrap();
assert_eq!(serialize(&htlc_tx)[..],
hex::decode($tx_hex).unwrap()[..]);
};
projects / rust-lightning / blobdiff