- 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![]);
+ new_feerate = feerate;
+ } else { return None; }
+ } else {
+ if subtract_high_prio_fee!(self, fee_estimator, amt, predicted_weight, new_feerate) {
+ bumped_tx.output[0].value = amt;
+ } else { return None; }
+ }
+ assert!(new_feerate != 0);
+
+ 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));
+ }
+ 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![]);
+ }
+ 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))
+ } else {
+ for (_, (outp, per_outp_material)) in cached_claim_datas.per_input_material.iter().enumerate() {
+ match per_outp_material {
+ &InputMaterial::LocalHTLC { .. } => {
+ //TODO : Given that Local Commitment Transaction and HTLC-Timeout/HTLC-Success are counter-signed by peer, we can't
+ // RBF them. Need a Lightning specs change and package relay modification :
+ // https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-November/016518.html
+ return None;
+ },
+ &InputMaterial::Funding { ref channel_value } => {
+ if self.local_commitment.is_some() {
+ let mut local_commitment = self.local_commitment.clone().unwrap();
+ self.key_storage.sign_local_commitment(&mut local_commitment, &self.funding_redeemscript, *channel_value, &self.secp_ctx);
+ let signed_tx = local_commitment.with_valid_witness().clone();
+ let mut amt_outputs = 0;
+ for outp in signed_tx.output.iter() {
+ amt_outputs += outp.value;
+ }
+ let feerate = (channel_value - amt_outputs) * 1000 / signed_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 Transaction {} claiming funding output {} from {}...", signed_tx.txid(), outp.vout, outp.txid);
+ return Some((None, feerate, signed_tx));
+ }