hash_map::Entry::Occupied(_) => return Err(MonitorUpdateError("Channel monitor for given key is already present")),
hash_map::Entry::Vacant(e) => e,
};
- match monitor.funding_info {
- None => {
- return Err(MonitorUpdateError("Try to update a useless monitor without funding_txo !"));
- },
- Some((ref outpoint, ref script)) => {
- log_trace!(self, "Got new Channel Monitor for channel {}", log_bytes!(outpoint.to_channel_id()[..]));
- self.chain_monitor.install_watch_tx(&outpoint.txid, script);
- self.chain_monitor.install_watch_outpoint((outpoint.txid, outpoint.index as u32), script);
- },
- }
+ log_trace!(self, "Got new Channel Monitor for channel {}", log_bytes!(monitor.funding_info.0.to_channel_id()[..]));
+ self.chain_monitor.install_watch_tx(&monitor.funding_info.0.txid, &monitor.funding_info.1);
+ self.chain_monitor.install_watch_outpoint((monitor.funding_info.0.txid, monitor.funding_info.0.index as u32), &monitor.funding_info.1);
for (txid, outputs) in monitor.get_outputs_to_watch().iter() {
for (idx, script) in outputs.iter().enumerate() {
self.chain_monitor.install_watch_outpoint((*txid, idx as u32), script);
shutdown_script: Script,
keys: ChanSigner,
- funding_info: Option<(OutPoint, Script)>,
+ funding_info: (OutPoint, Script),
current_remote_commitment_txid: Option<Sha256dHash>,
prev_remote_commitment_txid: Option<Sha256dHash>,
- their_htlc_base_key: Option<PublicKey>,
- their_delayed_payment_base_key: Option<PublicKey>,
- funding_redeemscript: Option<Script>,
- channel_value_satoshis: Option<u64>,
+ their_htlc_base_key: PublicKey,
+ their_delayed_payment_base_key: PublicKey,
+ funding_redeemscript: Script,
+ channel_value_satoshis: u64,
// first is the idx of the first of the two revocation points
their_cur_revocation_points: Option<(u64, PublicKey, Option<PublicKey>)>,
our_to_self_delay: u16,
- their_to_self_delay: Option<u16>,
+ their_to_self_delay: u16,
commitment_secrets: CounterpartyCommitmentSecrets,
remote_claimable_outpoints: HashMap<Sha256dHash, Vec<(HTLCOutputInCommitment, Option<Box<HTLCSource>>)>>,
}
impl<ChanSigner: ChannelKeys + Writeable> ChannelMonitor<ChanSigner> {
- /// Serializes into a vec, with various modes for the exposed pub fns
- fn write<W: Writer>(&self, writer: &mut W, for_local_storage: bool) -> Result<(), ::std::io::Error> {
+ /// Writes this monitor into the given writer, suitable for writing to disk.
+ ///
+ /// Note that the deserializer is only implemented for (Sha256dHash, ChannelMonitor), which
+ /// tells you the last block hash which was block_connect()ed. You MUST rescan any blocks along
+ /// the "reorg path" (ie not just starting at the same height but starting at the highest
+ /// common block that appears on your best chain as well as on the chain which contains the
+ /// last block hash returned) upon deserializing the object!
+ pub fn write_for_disk<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
//TODO: We still write out all the serialization here manually instead of using the fancy
//serialization framework we have, we should migrate things over to it.
writer.write_all(&[SERIALIZATION_VERSION; 1])?;
self.shutdown_script.write(writer)?;
self.keys.write(writer)?;
- match self.funding_info {
- Some((ref outpoint, ref script)) => {
- writer.write_all(&outpoint.txid[..])?;
- writer.write_all(&byte_utils::be16_to_array(outpoint.index))?;
- script.write(writer)?;
- },
- None => {
- debug_assert!(false, "Try to serialize a useless Local monitor !");
- },
- }
+ writer.write_all(&self.funding_info.0.txid[..])?;
+ writer.write_all(&byte_utils::be16_to_array(self.funding_info.0.index))?;
+ self.funding_info.1.write(writer)?;
self.current_remote_commitment_txid.write(writer)?;
self.prev_remote_commitment_txid.write(writer)?;
- writer.write_all(&self.their_htlc_base_key.as_ref().unwrap().serialize())?;
- writer.write_all(&self.their_delayed_payment_base_key.as_ref().unwrap().serialize())?;
- self.funding_redeemscript.as_ref().unwrap().write(writer)?;
- self.channel_value_satoshis.unwrap().write(writer)?;
+ writer.write_all(&self.their_htlc_base_key.serialize())?;
+ writer.write_all(&self.their_delayed_payment_base_key.serialize())?;
+ self.funding_redeemscript.write(writer)?;
+ self.channel_value_satoshis.write(writer)?;
match self.their_cur_revocation_points {
Some((idx, pubkey, second_option)) => {
}
writer.write_all(&byte_utils::be16_to_array(self.our_to_self_delay))?;
- writer.write_all(&byte_utils::be16_to_array(self.their_to_self_delay.unwrap()))?;
+ writer.write_all(&byte_utils::be16_to_array(self.their_to_self_delay))?;
self.commitment_secrets.write(writer)?;
}
}
- if for_local_storage {
- writer.write_all(&byte_utils::be64_to_array(self.remote_hash_commitment_number.len() as u64))?;
- for (ref payment_hash, commitment_number) in self.remote_hash_commitment_number.iter() {
- writer.write_all(&payment_hash.0[..])?;
- writer.write_all(&byte_utils::be48_to_array(*commitment_number))?;
- }
- } else {
- writer.write_all(&byte_utils::be64_to_array(0))?;
+ writer.write_all(&byte_utils::be64_to_array(self.remote_hash_commitment_number.len() as u64))?;
+ for (ref payment_hash, commitment_number) in self.remote_hash_commitment_number.iter() {
+ writer.write_all(&payment_hash.0[..])?;
+ writer.write_all(&byte_utils::be48_to_array(*commitment_number))?;
}
macro_rules! serialize_local_tx {
writer.write_all(&[0; 1])?;
}
- if for_local_storage {
- writer.write_all(&byte_utils::be48_to_array(self.current_remote_commitment_number))?;
- } else {
- writer.write_all(&byte_utils::be48_to_array(0))?;
- }
-
- if for_local_storage {
- writer.write_all(&byte_utils::be48_to_array(self.current_local_commitment_number))?;
- } else {
- writer.write_all(&byte_utils::be48_to_array(0))?;
- }
+ writer.write_all(&byte_utils::be48_to_array(self.current_remote_commitment_number))?;
+ writer.write_all(&byte_utils::be48_to_array(self.current_local_commitment_number))?;
writer.write_all(&byte_utils::be64_to_array(self.payment_preimages.len() as u64))?;
for payment_preimage in self.payment_preimages.values() {
Ok(())
}
-
- /// Writes this monitor into the given writer, suitable for writing to disk.
- ///
- /// Note that the deserializer is only implemented for (Sha256dHash, ChannelMonitor), which
- /// tells you the last block hash which was block_connect()ed. You MUST rescan any blocks along
- /// the "reorg path" (ie not just starting at the same height but starting at the highest
- /// common block that appears on your best chain as well as on the chain which contains the
- /// last block hash returned) upon deserializing the object!
- pub fn write_for_disk<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
- self.write(writer, true)
- }
-
- /// Encodes this monitor into the given writer, suitable for sending to a remote watchtower
- ///
- /// Note that the deserializer is only implemented for (Sha256dHash, ChannelMonitor), which
- /// tells you the last block hash which was block_connect()ed. You MUST rescan any blocks along
- /// the "reorg path" (ie not just starting at the same height but starting at the highest
- /// common block that appears on your best chain as well as on the chain which contains the
- /// last block hash returned) upon deserializing the object!
- pub fn write_for_watchtower<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
- self.write(writer, false)
- }
}
impl<ChanSigner: ChannelKeys> ChannelMonitor<ChanSigner> {
shutdown_script,
keys: keys.clone(),
- funding_info: Some(funding_info),
+ funding_info,
current_remote_commitment_txid: None,
prev_remote_commitment_txid: None,
- their_htlc_base_key: Some(their_htlc_base_key.clone()),
- their_delayed_payment_base_key: Some(their_delayed_payment_base_key.clone()),
- funding_redeemscript: Some(funding_redeemscript.clone()),
- channel_value_satoshis: Some(channel_value_satoshis),
+ their_htlc_base_key: their_htlc_base_key.clone(),
+ their_delayed_payment_base_key: their_delayed_payment_base_key.clone(),
+ funding_redeemscript: funding_redeemscript.clone(),
+ channel_value_satoshis: channel_value_satoshis,
their_cur_revocation_points: None,
- our_to_self_delay: our_to_self_delay,
- their_to_self_delay: Some(their_to_self_delay),
+ our_to_self_delay,
+ their_to_self_delay,
commitment_secrets: CounterpartyCommitmentSecrets::new(),
remote_claimable_outpoints: HashMap::new(),
/// up-to-date as our local commitment transaction is updated.
/// Panics if set_their_to_self_delay has never been called.
pub(super) fn provide_latest_local_commitment_tx_info(&mut self, mut commitment_tx: LocalCommitmentTransaction, local_keys: chan_utils::TxCreationKeys, feerate_per_kw: u64, htlc_outputs: Vec<(HTLCOutputInCommitment, Option<Signature>, Option<HTLCSource>)>) -> Result<(), MonitorUpdateError> {
- if self.their_to_self_delay.is_none() {
- return Err(MonitorUpdateError("Got a local commitment tx info update before we'd set basic information about the channel"));
- }
let txid = commitment_tx.txid();
let sequence = commitment_tx.without_valid_witness().input[0].sequence as u64;
let locktime = commitment_tx.without_valid_witness().lock_time as u64;
}
/// Gets the funding transaction outpoint of the channel this ChannelMonitor is monitoring for.
- pub fn get_funding_txo(&self) -> Option<OutPoint> {
- if let Some((outp, _)) = self.funding_info {
- return Some(outp)
- }
- None
+ pub fn get_funding_txo(&self) -> OutPoint {
+ self.funding_info.0
}
/// Gets a list of txids, with their output scripts (in the order they appear in the
let revocation_key = ignore_error!(chan_utils::derive_private_revocation_key(&self.secp_ctx, &per_commitment_key, &self.keys.revocation_base_key()));
let b_htlc_key = ignore_error!(chan_utils::derive_public_key(&self.secp_ctx, &per_commitment_point, &self.keys.pubkeys().htlc_basepoint));
let local_payment_key = ignore_error!(chan_utils::derive_private_key(&self.secp_ctx, &per_commitment_point, &self.keys.payment_base_key()));
- let delayed_key = ignore_error!(chan_utils::derive_public_key(&self.secp_ctx, &PublicKey::from_secret_key(&self.secp_ctx, &per_commitment_key), &self.their_delayed_payment_base_key.unwrap()));
- let a_htlc_key = match self.their_htlc_base_key {
- None => return (claimable_outpoints, (commitment_txid, watch_outputs)),
- Some(their_htlc_base_key) => ignore_error!(chan_utils::derive_public_key(&self.secp_ctx, &PublicKey::from_secret_key(&self.secp_ctx, &per_commitment_key), &their_htlc_base_key)),
- };
+ let delayed_key = ignore_error!(chan_utils::derive_public_key(&self.secp_ctx, &PublicKey::from_secret_key(&self.secp_ctx, &per_commitment_key), &self.their_delayed_payment_base_key));
+ let a_htlc_key = ignore_error!(chan_utils::derive_public_key(&self.secp_ctx, &PublicKey::from_secret_key(&self.secp_ctx, &per_commitment_key), &self.their_htlc_base_key));
let revokeable_redeemscript = chan_utils::get_revokeable_redeemscript(&revocation_pubkey, self.our_to_self_delay, &delayed_key);
let revokeable_p2wsh = revokeable_redeemscript.to_v0_p2wsh();
let revocation_pubkey = ignore_error!(chan_utils::derive_public_revocation_key(&self.secp_ctx, revocation_point, &self.keys.pubkeys().revocation_basepoint));
let b_htlc_key = ignore_error!(chan_utils::derive_public_key(&self.secp_ctx, revocation_point, &self.keys.pubkeys().htlc_basepoint));
let htlc_privkey = ignore_error!(chan_utils::derive_private_key(&self.secp_ctx, revocation_point, &self.keys.htlc_base_key()));
- let a_htlc_key = match self.their_htlc_base_key {
- None => return (claimable_outpoints, (commitment_txid, watch_outputs)),
- Some(their_htlc_base_key) => ignore_error!(chan_utils::derive_public_key(&self.secp_ctx, revocation_point, &their_htlc_base_key)),
- };
+ let a_htlc_key = ignore_error!(chan_utils::derive_public_key(&self.secp_ctx, revocation_point, &self.their_htlc_base_key));
let local_payment_key = ignore_error!(chan_utils::derive_private_key(&self.secp_ctx, revocation_point, &self.keys.payment_base_key()));
self.broadcasted_remote_payment_script = {
let per_commitment_point = PublicKey::from_secret_key(&self.secp_ctx, &per_commitment_key);
let revocation_pubkey = ignore_error!(chan_utils::derive_public_revocation_key(&self.secp_ctx, &per_commitment_point, &self.keys.pubkeys().revocation_basepoint));
let revocation_key = ignore_error!(chan_utils::derive_private_revocation_key(&self.secp_ctx, &per_commitment_key, &self.keys.revocation_base_key()));
- let delayed_key = match self.their_delayed_payment_base_key {
- None => return (Vec::new(), None),
- Some(their_delayed_payment_base_key) => ignore_error!(chan_utils::derive_public_key(&self.secp_ctx, &per_commitment_point, &their_delayed_payment_base_key)),
- };
+ let delayed_key = ignore_error!(chan_utils::derive_public_key(&self.secp_ctx, &per_commitment_point, &self.their_delayed_payment_base_key));
let redeemscript = chan_utils::get_revokeable_redeemscript(&revocation_pubkey, self.our_to_self_delay, &delayed_key);
log_trace!(self, "Remote HTLC broadcast {}:{}", htlc_txid, 0);
let mut claim_requests = Vec::with_capacity(local_tx.htlc_outputs.len());
let mut watch_outputs = Vec::with_capacity(local_tx.htlc_outputs.len());
- let redeemscript = chan_utils::get_revokeable_redeemscript(&local_tx.revocation_key, self.their_to_self_delay.unwrap(), &local_tx.delayed_payment_key);
+ let redeemscript = chan_utils::get_revokeable_redeemscript(&local_tx.revocation_key, self.their_to_self_delay, &local_tx.delayed_payment_key);
let broadcasted_local_revokable_script = if let Ok(local_delayedkey) = chan_utils::derive_private_key(&self.secp_ctx, &local_tx.per_commitment_point, self.keys.delayed_payment_base_key()) {
Some((redeemscript.to_v0_p2wsh(), local_delayedkey, redeemscript))
} else { None };
/// In any-case, choice is up to the user.
pub fn get_latest_local_commitment_txn(&mut self) -> Vec<Transaction> {
log_trace!(self, "Getting signed latest local commitment transaction!");
- if let Some(commitment_tx) = self.onchain_tx_handler.get_fully_signed_local_tx(self.channel_value_satoshis.unwrap()) {
+ if let Some(commitment_tx) = self.onchain_tx_handler.get_fully_signed_local_tx(self.channel_value_satoshis) {
let txid = commitment_tx.txid();
let mut res = vec![commitment_tx];
if let &Some(ref local_tx) = &self.current_local_signed_commitment_tx {
#[cfg(test)]
pub fn unsafe_get_latest_local_commitment_txn(&mut self) -> Vec<Transaction> {
log_trace!(self, "Getting signed copy of latest local commitment transaction!");
- if let Some(commitment_tx) = self.onchain_tx_handler.get_fully_signed_copy_local_tx(self.channel_value_satoshis.unwrap()) {
+ if let Some(commitment_tx) = self.onchain_tx_handler.get_fully_signed_copy_local_tx(self.channel_value_satoshis) {
let txid = commitment_tx.txid();
let mut res = vec![commitment_tx];
if let &Some(ref local_tx) = &self.current_local_signed_commitment_tx {
// which is an easy way to filter out any potential non-matching txn for lazy
// filters.
let prevout = &tx.input[0].previous_output;
- let funding_txo = self.funding_info.clone();
- if funding_txo.is_none() || (prevout.txid == funding_txo.as_ref().unwrap().0.txid && prevout.vout == funding_txo.as_ref().unwrap().0.index as u32) {
+ if prevout.txid == self.funding_info.0.txid && prevout.vout == self.funding_info.0.index as u32 {
if (tx.input[0].sequence >> 8*3) as u8 == 0x80 && (tx.lock_time >> 8*3) as u8 == 0x20 {
let (mut new_outpoints, new_outputs) = self.check_spend_remote_transaction(&tx, height);
if !new_outputs.1.is_empty() {
self.would_broadcast_at_height(height)
} else { false };
if should_broadcast {
- claimable_outpoints.push(ClaimRequest { absolute_timelock: height, aggregable: false, outpoint: BitcoinOutPoint { txid: self.funding_info.as_ref().unwrap().0.txid.clone(), vout: self.funding_info.as_ref().unwrap().0.index as u32 }, witness_data: InputMaterial::Funding { channel_value: self.channel_value_satoshis.unwrap() }});
+ claimable_outpoints.push(ClaimRequest { absolute_timelock: height, aggregable: false, outpoint: BitcoinOutPoint { txid: self.funding_info.0.txid.clone(), vout: self.funding_info.0.index as u32 }, witness_data: InputMaterial::Funding { channel_value: self.channel_value_satoshis }});
}
if let Some(ref cur_local_tx) = self.current_local_signed_commitment_tx {
if should_broadcast {
- if let Some(commitment_tx) = self.onchain_tx_handler.get_fully_signed_local_tx(self.channel_value_satoshis.unwrap()) {
+ if let Some(commitment_tx) = self.onchain_tx_handler.get_fully_signed_local_tx(self.channel_value_satoshis) {
let (mut new_outpoints, new_outputs, _) = self.broadcast_by_local_state(&commitment_tx, cur_local_tx);
if !new_outputs.is_empty() {
watch_outputs.push((cur_local_tx.txid.clone(), new_outputs));
outpoint: BitcoinOutPoint { txid: tx.txid(), vout: i as u32 },
key: broadcasted_local_revokable_script.1,
witness_script: broadcasted_local_revokable_script.2.clone(),
- to_self_delay: self.their_to_self_delay.unwrap(),
+ to_self_delay: self.their_to_self_delay,
output: outp.clone(),
});
break;
txid: Readable::read(reader)?,
index: Readable::read(reader)?,
};
- let funding_info = Some((outpoint, Readable::read(reader)?));
+ let funding_info = (outpoint, Readable::read(reader)?);
let current_remote_commitment_txid = Readable::read(reader)?;
let prev_remote_commitment_txid = Readable::read(reader)?;
- let their_htlc_base_key = Some(Readable::read(reader)?);
- let their_delayed_payment_base_key = Some(Readable::read(reader)?);
- let funding_redeemscript = Some(Readable::read(reader)?);
- let channel_value_satoshis = Some(Readable::read(reader)?);
+ let their_htlc_base_key = Readable::read(reader)?;
+ let their_delayed_payment_base_key = Readable::read(reader)?;
+ let funding_redeemscript = Readable::read(reader)?;
+ let channel_value_satoshis = Readable::read(reader)?;
let their_cur_revocation_points = {
let first_idx = <U48 as Readable>::read(reader)?.0;
};
let our_to_self_delay: u16 = Readable::read(reader)?;
- let their_to_self_delay: Option<u16> = Some(Readable::read(reader)?);
+ let their_to_self_delay: u16 = Readable::read(reader)?;
let commitment_secrets = Readable::read(reader)?;
(OutPoint { txid: Sha256dHash::from_slice(&[43; 32]).unwrap(), index: 0 }, Script::new()),
&PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[44; 32]).unwrap()),
&PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[45; 32]).unwrap()),
- 0, Script::new(), 46, 0, logger.clone());
-
- monitor.their_to_self_delay = Some(10);
+ 10, Script::new(), 46, 0, logger.clone());
monitor.provide_latest_local_commitment_tx_info(LocalCommitmentTransaction::dummy(), dummy_keys!(), 0, preimages_to_local_htlcs!(preimages[0..10])).unwrap();
monitor.provide_latest_remote_commitment_tx_info(&dummy_tx, preimages_slice_to_htlc_outputs!(preimages[5..15]), 281474976710655, dummy_key);
projects / rust-lightning / blobdiff