struct RemoteTxCache {
remote_delayed_payment_base_key: PublicKey,
remote_htlc_base_key: PublicKey,
+ on_remote_tx_csv: u16,
per_htlc: HashMap<Txid, Vec<HTLCOutputInCommitment>>
}
per_commitment_key: SecretKey,
input_descriptor: InputDescriptors,
amount: u64,
- htlc: Option<HTLCOutputInCommitment>
+ htlc: Option<HTLCOutputInCommitment>,
+ on_remote_tx_csv: u16,
},
RemoteHTLC {
per_commitment_point: PublicKey,
impl Writeable for InputMaterial {
fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
match self {
- &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} => {
+ &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} => {
writer.write_all(&[0; 1])?;
per_commitment_point.write(writer)?;
remote_delayed_payment_base_key.write(writer)?;
input_descriptor.write(writer)?;
writer.write_all(&byte_utils::be64_to_array(*amount))?;
htlc.write(writer)?;
+ on_remote_tx_csv.write(writer)?;
},
&InputMaterial::RemoteHTLC { ref per_commitment_point, ref remote_delayed_payment_base_key, ref remote_htlc_base_key, ref preimage, ref htlc} => {
writer.write_all(&[1; 1])?;
let input_descriptor = Readable::read(reader)?;
let amount = Readable::read(reader)?;
let htlc = Readable::read(reader)?;
+ let on_remote_tx_csv = Readable::read(reader)?;
InputMaterial::Revoked {
per_commitment_point,
remote_delayed_payment_base_key,
per_commitment_key,
input_descriptor,
amount,
- htlc
+ htlc,
+ on_remote_tx_csv
}
},
1 => {
// 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: u16,
commitment_secrets: CounterpartyCommitmentSecrets,
self.funding_redeemscript != other.funding_redeemscript ||
self.channel_value_satoshis != other.channel_value_satoshis ||
self.their_cur_revocation_points != other.their_cur_revocation_points ||
- self.our_to_self_delay != other.our_to_self_delay ||
self.their_to_self_delay != other.their_to_self_delay ||
self.commitment_secrets != other.commitment_secrets ||
self.remote_claimable_outpoints != other.remote_claimable_outpoints ||
self.remote_tx_cache.remote_delayed_payment_base_key.write(writer)?;
self.remote_tx_cache.remote_htlc_base_key.write(writer)?;
+ writer.write_all(&byte_utils::be16_to_array(self.remote_tx_cache.on_remote_tx_csv))?;
writer.write_all(&byte_utils::be64_to_array(self.remote_tx_cache.per_htlc.len() as u64))?;
for (ref txid, ref htlcs) in self.remote_tx_cache.per_htlc.iter() {
writer.write_all(&txid[..])?;
},
}
- 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))?;
self.commitment_secrets.write(writer)?;
impl<ChanSigner: ChannelKeys> ChannelMonitor<ChanSigner> {
pub(super) fn new(keys: ChanSigner, shutdown_pubkey: &PublicKey,
- our_to_self_delay: u16, destination_script: &Script, funding_info: (OutPoint, Script),
+ on_remote_tx_csv: u16, destination_script: &Script, funding_info: (OutPoint, Script),
remote_htlc_base_key: &PublicKey, remote_delayed_payment_base_key: &PublicKey,
their_to_self_delay: u16, funding_redeemscript: Script, channel_value_satoshis: u64,
commitment_transaction_number_obscure_factor: u64,
let payment_key_hash = WPubkeyHash::hash(&keys.pubkeys().payment_point.serialize());
let remote_payment_script = Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&payment_key_hash[..]).into_script();
- let remote_tx_cache = RemoteTxCache { remote_delayed_payment_base_key: *remote_delayed_payment_base_key, remote_htlc_base_key: *remote_htlc_base_key, per_htlc: HashMap::new() };
+ let remote_tx_cache = RemoteTxCache { remote_delayed_payment_base_key: *remote_delayed_payment_base_key, remote_htlc_base_key: *remote_htlc_base_key, on_remote_tx_csv, per_htlc: HashMap::new() };
- let mut onchain_tx_handler = OnchainTxHandler::new(destination_script.clone(), keys.clone(), their_to_self_delay, our_to_self_delay);
+ let mut onchain_tx_handler = OnchainTxHandler::new(destination_script.clone(), keys.clone(), their_to_self_delay);
let local_tx_sequence = initial_local_commitment_tx.unsigned_tx.input[0].sequence as u64;
let local_tx_locktime = initial_local_commitment_tx.unsigned_tx.lock_time as u64;
channel_value_satoshis: channel_value_satoshis,
their_cur_revocation_points: None,
- our_to_self_delay,
their_to_self_delay,
commitment_secrets: CounterpartyCommitmentSecrets::new(),
let revocation_pubkey = ignore_error!(chan_utils::derive_public_revocation_key(&self.secp_ctx, &per_commitment_point, &self.keys.pubkeys().revocation_basepoint));
let delayed_key = ignore_error!(chan_utils::derive_public_key(&self.secp_ctx, &PublicKey::from_secret_key(&self.secp_ctx, &per_commitment_key), &self.remote_tx_cache.remote_delayed_payment_base_key));
- let revokeable_redeemscript = chan_utils::get_revokeable_redeemscript(&revocation_pubkey, self.our_to_self_delay, &delayed_key);
+ let revokeable_redeemscript = chan_utils::get_revokeable_redeemscript(&revocation_pubkey, self.remote_tx_cache.on_remote_tx_csv, &delayed_key);
let revokeable_p2wsh = revokeable_redeemscript.to_v0_p2wsh();
// First, process non-htlc outputs (to_local & to_remote)
for (idx, outp) in tx.output.iter().enumerate() {
if outp.script_pubkey == revokeable_p2wsh {
- let witness_data = InputMaterial::Revoked { per_commitment_point, remote_delayed_payment_base_key: self.remote_tx_cache.remote_delayed_payment_base_key, remote_htlc_base_key: self.remote_tx_cache.remote_htlc_base_key, per_commitment_key, input_descriptor: InputDescriptors::RevokedOutput, amount: outp.value, htlc: None };
- claimable_outpoints.push(ClaimRequest { absolute_timelock: height + self.our_to_self_delay as u32, aggregable: true, outpoint: BitcoinOutPoint { txid: commitment_txid, vout: idx as u32 }, witness_data});
+ let witness_data = InputMaterial::Revoked { per_commitment_point, remote_delayed_payment_base_key: self.remote_tx_cache.remote_delayed_payment_base_key, remote_htlc_base_key: self.remote_tx_cache.remote_htlc_base_key, per_commitment_key, input_descriptor: InputDescriptors::RevokedOutput, amount: outp.value, htlc: None, on_remote_tx_csv: self.remote_tx_cache.on_remote_tx_csv};
+ claimable_outpoints.push(ClaimRequest { absolute_timelock: height + self.remote_tx_cache.on_remote_tx_csv as u32, aggregable: true, outpoint: BitcoinOutPoint { txid: commitment_txid, vout: idx as u32 }, witness_data});
}
}
tx.output[transaction_output_index as usize].value != htlc.amount_msat / 1000 {
return (claimable_outpoints, (commitment_txid, watch_outputs)); // Corrupted per_commitment_data, fuck this user
}
- let witness_data = InputMaterial::Revoked { per_commitment_point, remote_delayed_payment_base_key: self.remote_tx_cache.remote_delayed_payment_base_key, remote_htlc_base_key: self.remote_tx_cache.remote_htlc_base_key, per_commitment_key, input_descriptor: if htlc.offered { InputDescriptors::RevokedOfferedHTLC } else { InputDescriptors::RevokedReceivedHTLC }, amount: tx.output[transaction_output_index as usize].value, htlc: Some(htlc.clone()) };
+ let witness_data = InputMaterial::Revoked { per_commitment_point, remote_delayed_payment_base_key: self.remote_tx_cache.remote_delayed_payment_base_key, remote_htlc_base_key: self.remote_tx_cache.remote_htlc_base_key, per_commitment_key, input_descriptor: if htlc.offered { InputDescriptors::RevokedOfferedHTLC } else { InputDescriptors::RevokedReceivedHTLC }, amount: tx.output[transaction_output_index as usize].value, htlc: Some(htlc.clone()), on_remote_tx_csv: self.remote_tx_cache.on_remote_tx_csv};
claimable_outpoints.push(ClaimRequest { absolute_timelock: htlc.cltv_expiry, aggregable: true, outpoint: BitcoinOutPoint { txid: commitment_txid, vout: transaction_output_index }, witness_data });
}
}
let per_commitment_point = PublicKey::from_secret_key(&self.secp_ctx, &per_commitment_key);
log_trace!(logger, "Remote HTLC broadcast {}:{}", htlc_txid, 0);
- let witness_data = InputMaterial::Revoked { per_commitment_point, remote_delayed_payment_base_key: self.remote_tx_cache.remote_delayed_payment_base_key, remote_htlc_base_key: self.remote_tx_cache.remote_htlc_base_key, per_commitment_key, input_descriptor: InputDescriptors::RevokedOutput, amount: tx.output[0].value, htlc: None };
- let claimable_outpoints = vec!(ClaimRequest { absolute_timelock: height + self.our_to_self_delay as u32, aggregable: true, outpoint: BitcoinOutPoint { txid: htlc_txid, vout: 0}, witness_data });
+ let witness_data = InputMaterial::Revoked { per_commitment_point, remote_delayed_payment_base_key: self.remote_tx_cache.remote_delayed_payment_base_key, remote_htlc_base_key: self.remote_tx_cache.remote_htlc_base_key, per_commitment_key, input_descriptor: InputDescriptors::RevokedOutput, amount: tx.output[0].value, htlc: None, on_remote_tx_csv: self.remote_tx_cache.on_remote_tx_csv };
+ let claimable_outpoints = vec!(ClaimRequest { absolute_timelock: height + self.remote_tx_cache.on_remote_tx_csv as u32, aggregable: true, outpoint: BitcoinOutPoint { txid: htlc_txid, vout: 0}, witness_data });
(claimable_outpoints, Some((htlc_txid, tx.output.clone())))
}
let remote_tx_cache = {
let remote_delayed_payment_base_key = Readable::read(reader)?;
let remote_htlc_base_key = Readable::read(reader)?;
+ let on_remote_tx_csv: u16 = Readable::read(reader)?;
let per_htlc_len: u64 = Readable::read(reader)?;
let mut per_htlc = HashMap::with_capacity(cmp::min(per_htlc_len as usize, MAX_ALLOC_SIZE / 64));
for _ in 0..per_htlc_len {
RemoteTxCache {
remote_delayed_payment_base_key,
remote_htlc_base_key,
+ on_remote_tx_csv,
per_htlc,
}
};
}
};
- let our_to_self_delay: u16 = Readable::read(reader)?;
let their_to_self_delay: u16 = Readable::read(reader)?;
let commitment_secrets = Readable::read(reader)?;
channel_value_satoshis,
their_cur_revocation_points,
- our_to_self_delay,
their_to_self_delay,
commitment_secrets,
prev_local_commitment: Option<LocalCommitmentTransaction>,
prev_local_htlc_sigs: Option<Vec<Option<(usize, Signature)>>>,
local_csv: u16,
- remote_csv: u16,
key_storage: ChanSigner,
self.local_csv.write(writer)?;
- self.remote_csv.write(writer)?;
-
self.key_storage.write(writer)?;
writer.write_all(&byte_utils::be64_to_array(self.pending_claim_requests.len() as u64))?;
let local_csv = Readable::read(reader)?;
- let remote_csv = Readable::read(reader)?;
-
let key_storage = Readable::read(reader)?;
let pending_claim_requests_len: u64 = Readable::read(reader)?;
prev_local_commitment,
prev_local_htlc_sigs,
local_csv,
- remote_csv,
key_storage,
claimable_outpoints,
pending_claim_requests,
}
impl<ChanSigner: ChannelKeys> OnchainTxHandler<ChanSigner> {
- pub(super) fn new(destination_script: Script, keys: ChanSigner, local_csv: u16, remote_csv: u16) -> Self {
+ pub(super) fn new(destination_script: Script, keys: ChanSigner, local_csv: u16) -> Self {
let key_storage = keys;
prev_local_commitment: None,
prev_local_htlc_sigs: None,
local_csv,
- remote_csv,
key_storage,
pending_claim_requests: HashMap::new(),
claimable_outpoints: HashMap::new(),
for (i, (outp, per_outp_material)) in cached_claim_datas.per_input_material.iter().enumerate() {
match per_outp_material {
- &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 } => {
+ &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, self.remote_csv, &chan_keys.a_delayed_payment_key)
+ 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, &witness_script, *amount, &per_commitment_key, &chan_keys.revocation_key, htlc.is_some(), &self.secp_ctx) {
projects / rust-lightning / commitdiff