/// Cache remote basepoint to compute any transaction on
/// remote outputs, either justice or preimage/timeout transactions.
-struct RemoteTxCache {
- remote_delayed_payment_base_key: PublicKey,
- remote_htlc_base_key: PublicKey,
- per_htlc: HashMap<Txid, Vec<(HTLCOutputInCommitment)>>
+#[derive(PartialEq)]
+pub(super) struct RemoteTxCache {
+ pub(super) remote_delayed_payment_base_key: PublicKey,
+ pub(super) remote_htlc_base_key: PublicKey,
+ pub(super) per_htlc: HashMap<Txid, Vec<(HTLCOutputInCommitment)>>
}
/// Higher-level cache structure needed to re-generate bumped claim txn if needed
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;
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 per_commitment_key, ref input_descriptor, ref amount } => {
- if let Ok(chan_keys) = TxCreationKeys::new(&self.secp_ctx, &per_commitment_point, &self.remote_tx_cache.remote_delayed_payment_base_key, &self.remote_tx_cache.remote_htlc_base_key, &self.key_storage.pubkeys().revocation_basepoint, &self.key_storage.pubkeys().htlc_basepoint) {
-
- let mut this_htlc = None;
- if *input_descriptor != InputDescriptors::RevokedOutput {
- if let Some(htlcs) = self.remote_tx_cache.per_htlc.get(&outp.txid) {
- for htlc in htlcs {
- if htlc.transaction_output_index.unwrap() == outp.vout {
- this_htlc = Some(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 } => {
+ 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 *input_descriptor != InputDescriptors::RevokedOutput && this_htlc.is_some() {
- chan_utils::get_htlc_redeemscript_with_explicit_keys(&this_htlc.unwrap(), &chan_keys.a_htlc_key, &chan_keys.b_htlc_key, &chan_keys.revocation_key)
- } else if *input_descriptor != InputDescriptors::RevokedOutput {
- return None;
+ 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)
};
- let is_htlc = *input_descriptor != InputDescriptors::RevokedOutput;
- if let Ok(sig) = self.key_storage.sign_justice_transaction(&bumped_tx, i, &witness_script, *amount, &per_commitment_key, &chan_keys.revocation_key, is_htlc, &self.secp_ctx) {
+ 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) {
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 {
+ 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));
log_trace!(self, "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);
}
},
- &InputMaterial::RemoteHTLC { ref per_commitment_point, ref preimage, ref amount, ref locktime } => {
- if let Ok(chan_keys) = TxCreationKeys::new(&self.secp_ctx, &per_commitment_point, &self.remote_tx_cache.remote_delayed_payment_base_key, &self.remote_tx_cache.remote_htlc_base_key, &self.key_storage.pubkeys().revocation_basepoint, &self.key_storage.pubkeys().htlc_basepoint) {
- let mut this_htlc = None;
- if let Some(htlcs) = self.remote_tx_cache.per_htlc.get(&outp.txid) {
- for htlc in htlcs {
- if htlc.transaction_output_index.unwrap() == outp.vout {
- this_htlc = Some(htlc);
- }
- }
- }
- if this_htlc.is_none() { return None; }
- let witness_script = chan_utils::get_htlc_redeemscript_with_explicit_keys(&this_htlc.unwrap(), &chan_keys.a_htlc_key, &chan_keys.b_htlc_key, &chan_keys.revocation_key);
+ &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 = *locktime }; // 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, &witness_script, *amount, &per_commitment_point, preimage, &self.secp_ctx) {
+ 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, &witness_script, htlc.amount_msat / 1000, &per_commitment_point, preimage, &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 {