prev_hash: self.channel_monitor.get_funding_txo().unwrap().0,
prev_index: self.channel_monitor.get_funding_txo().unwrap().1 as u32,
script_sig: Script::new(),
- sequence: ((0x80 as u32) << 8*3) | ((obscured_commitment_transaction_number >> 3*8) as u32)
+ sequence: ((0x80 as u32) << 8*3) | ((obscured_commitment_transaction_number >> 3*8) as u32),
+ witness: Vec::new(),
});
ins
};
- let mut witness: Vec<Vec<Vec<u8>>> = Vec::new();
- witness.push(Vec::new());
let mut txouts: Vec<(TxOut, Option<HTLCOutputInCommitment>)> = Vec::new();
lock_time: ((0x20 as u32) << 8*3) | ((obscured_commitment_transaction_number & 0xffffffu64) as u32),
input: txins,
output: outputs,
- witness: witness
}, htlcs_used))
}
if tx.input.len() != 1 {
panic!("Tried to sign commitment transaction that had input count != 1!");
}
- if tx.witness.len() != 1 || tx.witness[0].len() != 0 {
+ if tx.input[0].witness.len() != 0 {
panic!("Tried to re-sign commitment transaction");
}
let funding_redeemscript = self.get_funding_redeemscript();
- let sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&tx).sighash_all(&tx, 0, &funding_redeemscript, self.channel_value_satoshis)[..]));
+ let sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&tx).sighash_all(&tx.input[0], &funding_redeemscript, self.channel_value_satoshis)[..]));
let our_sig = secp_call!(self.secp_ctx.sign(&sighash, &self.local_keys.funding_key));
- tx.witness[0].push(Vec::new()); // First is the multisig dummy
+ 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).unwrap().serialize();
let their_funding_key = self.their_funding_pubkey.serialize();
if our_funding_key[..] < their_funding_key[..] {
- tx.witness[0].push(our_sig.serialize_der(&self.secp_ctx).to_vec());
- tx.witness[0].push(their_sig.serialize_der(&self.secp_ctx).to_vec());
+ tx.input[0].witness.push(our_sig.serialize_der(&self.secp_ctx).to_vec());
+ tx.input[0].witness.push(their_sig.serialize_der(&self.secp_ctx).to_vec());
} else {
- tx.witness[0].push(their_sig.serialize_der(&self.secp_ctx).to_vec());
- tx.witness[0].push(our_sig.serialize_der(&self.secp_ctx).to_vec());
+ tx.input[0].witness.push(their_sig.serialize_der(&self.secp_ctx).to_vec());
+ tx.input[0].witness.push(our_sig.serialize_der(&self.secp_ctx).to_vec());
}
- tx.witness[0][1].push(SigHashType::All as u8);
- tx.witness[0][2].push(SigHashType::All as u8);
+ tx.input[0].witness[1].push(SigHashType::All as u8);
+ tx.input[0].witness[2].push(SigHashType::All as u8);
- tx.witness[0].push(funding_redeemscript.into_vec());
+ tx.input[0].witness.push(funding_redeemscript.into_vec());
Ok(())
}
prev_hash: prev_hash.clone(),
prev_index: htlc.transaction_output_index,
script_sig: Script::new(),
- sequence: 0
+ sequence: 0,
+ witness: Vec::new(),
});
- let mut witnesses: Vec<Vec<Vec<u8>>> = Vec::new();
- witnesses.push(Vec::new());
-
let total_fee = if htlc.offered {
self.feerate_per_kw * HTLC_TIMEOUT_TX_WEIGHT / 1000
} else {
lock_time: if htlc.offered { htlc.cltv_expiry } else { 0 },
input: txins,
output: txouts,
- witness: witnesses
})
}
if tx.input.len() != 1 {
panic!("Tried to sign HTLC transaction that had input count != 1!");
}
- if tx.witness.len() != 1 || tx.witness[0].len() != 0 {
+ if tx.input[0].witness.len() != 0 {
panic!("Tried to re-sign HTLC transaction");
}
let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &keys, htlc.offered);
let our_htlc_key = secp_call!(chan_utils::derive_private_key(&self.secp_ctx, &keys.per_commitment_point, &self.local_keys.htlc_base_key));
- let sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&tx).sighash_all(&tx, 0, &htlc_redeemscript, htlc.amount_msat / 1000)[..]));
+ let sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&tx).sighash_all(&tx.input[0], &htlc_redeemscript, htlc.amount_msat / 1000)[..]));
let our_sig = secp_call!(self.secp_ctx.sign(&sighash, &our_htlc_key));
let local_tx = PublicKey::from_secret_key(&self.secp_ctx, &our_htlc_key).unwrap() == keys.a_htlc_key;
- tx.witness[0].push(Vec::new()); // First is the multisig dummy
+ tx.input[0].witness.push(Vec::new()); // First is the multisig dummy
if local_tx { // b, then a
- tx.witness[0].push(their_sig.serialize_der(&self.secp_ctx).to_vec());
- tx.witness[0].push(our_sig.serialize_der(&self.secp_ctx).to_vec());
+ tx.input[0].witness.push(their_sig.serialize_der(&self.secp_ctx).to_vec());
+ tx.input[0].witness.push(our_sig.serialize_der(&self.secp_ctx).to_vec());
} else {
- tx.witness[0].push(our_sig.serialize_der(&self.secp_ctx).to_vec());
- tx.witness[0].push(their_sig.serialize_der(&self.secp_ctx).to_vec());
+ tx.input[0].witness.push(our_sig.serialize_der(&self.secp_ctx).to_vec());
+ tx.input[0].witness.push(their_sig.serialize_der(&self.secp_ctx).to_vec());
}
- tx.witness[0][1].push(SigHashType::All as u8);
- tx.witness[0][2].push(SigHashType::All as u8);
+ tx.input[0].witness[1].push(SigHashType::All as u8);
+ tx.input[0].witness[2].push(SigHashType::All as u8);
if htlc.offered {
- tx.witness[0].push(Vec::new());
+ tx.input[0].witness.push(Vec::new());
} else {
- tx.witness[0].push(preimage.unwrap().to_vec());
+ tx.input[0].witness.push(preimage.unwrap().to_vec());
}
- tx.witness[0].push(htlc_redeemscript.into_vec());
+ tx.input[0].witness.push(htlc_redeemscript.into_vec());
Ok(())
}
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)?.0;
- let remote_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&remote_initial_commitment_tx).sighash_all(&remote_initial_commitment_tx, 0, &funding_script, self.channel_value_satoshis)[..]));
+ let remote_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&remote_initial_commitment_tx).sighash_all(&remote_initial_commitment_tx.input[0], &funding_script, self.channel_value_satoshis)[..]));
let local_keys = self.build_local_transaction_keys(self.cur_local_commitment_transaction_number)?;
let local_initial_commitment_tx = self.build_commitment_transaction(self.cur_local_commitment_transaction_number, &local_keys, true, false)?.0;
- let local_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&local_initial_commitment_tx).sighash_all(&local_initial_commitment_tx, 0, &funding_script, self.channel_value_satoshis)[..]));
+ let local_sighash = secp_call!(Message::from_slice(&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_call!(self.secp_ctx.verify(&local_sighash, &sig, &self.their_funding_pubkey));
let local_keys = self.build_local_transaction_keys(self.cur_local_commitment_transaction_number)?;
let local_initial_commitment_tx = self.build_commitment_transaction(self.cur_local_commitment_transaction_number, &local_keys, true, false)?.0;
- let local_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&local_initial_commitment_tx).sighash_all(&local_initial_commitment_tx, 0, &funding_script, self.channel_value_satoshis)[..]));
+ let local_sighash = secp_call!(Message::from_slice(&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_call!(self.secp_ctx.verify(&local_sighash, &msg.signature, &self.their_funding_pubkey));
let local_keys = self.build_local_transaction_keys(self.cur_local_commitment_transaction_number)?;
let local_commitment_tx = self.build_commitment_transaction(self.cur_local_commitment_transaction_number, &local_keys, true, false)?;
- let local_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&local_commitment_tx.0).sighash_all(&local_commitment_tx.0, 0, &funding_script, self.channel_value_satoshis)[..]));
+ let local_commitment_txid = local_commitment_tx.0.txid();
+ let local_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&local_commitment_tx.0).sighash_all(&local_commitment_tx.0.input[0], &funding_script, self.channel_value_satoshis)[..]));
secp_call!(self.secp_ctx.verify(&local_sighash, &msg.signature, &self.their_funding_pubkey));
if msg.htlc_signatures.len() != local_commitment_tx.1.len() {
}
for (idx, ref htlc) in local_commitment_tx.1.iter().enumerate() {
- let htlc_tx = self.build_htlc_transaction(&local_commitment_tx.0.txid(), htlc, true, &local_keys)?;
+ let htlc_tx = self.build_htlc_transaction(&local_commitment_txid, htlc, true, &local_keys)?;
let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &local_keys, htlc.offered);
- let htlc_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&htlc_tx).sighash_all(&htlc_tx, 0, &htlc_redeemscript, htlc.amount_msat / 1000)[..]));
+ let htlc_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&htlc_tx).sighash_all(&htlc_tx.input[0], &htlc_redeemscript, htlc.amount_msat / 1000)[..]));
secp_call!(self.secp_ctx.verify(&htlc_sighash, &msg.htlc_signatures[idx], &local_keys.b_htlc_key));
}
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)?.0;
- let remote_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&remote_initial_commitment_tx).sighash_all(&remote_initial_commitment_tx, 0, &funding_script, self.channel_value_satoshis)[..]));
+ let remote_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&remote_initial_commitment_tx).sighash_all(&remote_initial_commitment_tx.input[0], &funding_script, self.channel_value_satoshis)[..]));
// We sign the "remote" commitment transaction, allowing them to broadcast the tx if they wish.
Ok(secp_call!(self.secp_ctx.sign(&remote_sighash, &self.local_keys.funding_key)))
let remote_keys = self.build_remote_transaction_keys()?;
let remote_commitment_tx = self.build_commitment_transaction(self.cur_remote_commitment_transaction_number, &remote_keys, false, true)?;
- let remote_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&remote_commitment_tx.0).sighash_all(&remote_commitment_tx.0, 0, &funding_script, self.channel_value_satoshis)[..]));
+ let remote_commitment_txid = remote_commitment_tx.0.txid();
+ let remote_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&remote_commitment_tx.0).sighash_all(&remote_commitment_tx.0.input[0], &funding_script, self.channel_value_satoshis)[..]));
let our_sig = secp_call!(self.secp_ctx.sign(&remote_sighash, &self.local_keys.funding_key));
let mut htlc_sigs = Vec::new();
for ref htlc in remote_commitment_tx.1.iter() {
- let htlc_tx = self.build_htlc_transaction(&remote_commitment_tx.0.txid(), htlc, false, &remote_keys)?;
+ let htlc_tx = self.build_htlc_transaction(&remote_commitment_txid, htlc, false, &remote_keys)?;
let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &remote_keys, htlc.offered);
- let htlc_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&htlc_tx).sighash_all(&htlc_tx, 0, &htlc_redeemscript, htlc.amount_msat / 1000)[..]));
+ let htlc_sighash = secp_call!(Message::from_slice(&bip143::SighashComponents::new(&htlc_tx).sighash_all(&htlc_tx.input[0], &htlc_redeemscript, htlc.amount_msat / 1000)[..]));
let our_htlc_key = secp_call!(chan_utils::derive_private_key(&self.secp_ctx, &remote_keys.per_commitment_point, &self.local_keys.htlc_base_key));
htlc_sigs.push(secp_call!(self.secp_ctx.sign(&htlc_sighash, &our_htlc_key)));
}
( $their_sig_hex: expr, $our_sig_hex: expr, $tx_hex: expr) => {
unsigned_tx = chan.build_commitment_transaction(42, &keys, true, false).unwrap();
let their_signature = Signature::from_der(&secp_ctx, &hex_bytes($their_sig_hex).unwrap()[..]).unwrap();
- let sighash = Message::from_slice(&bip143::SighashComponents::new(&unsigned_tx.0).sighash_all(&unsigned_tx.0, 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], &chan.get_funding_redeemscript(), chan.channel_value_satoshis)[..]).unwrap();
secp_ctx.verify(&sighash, &their_signature, &chan.their_funding_pubkey).unwrap();
chan.sign_commitment_transaction(&mut unsigned_tx.0, &their_signature).unwrap();
let ref htlc = unsigned_tx.1[$htlc_idx];
let mut htlc_tx = chan.build_htlc_transaction(&unsigned_tx.0.txid(), &htlc, true, &keys).unwrap();
let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &keys, htlc.offered);
- let htlc_sighash = Message::from_slice(&bip143::SighashComponents::new(&htlc_tx).sighash_all(&htlc_tx, 0, &htlc_redeemscript, htlc.amount_msat / 1000)[..]).unwrap();
+ let htlc_sighash = Message::from_slice(&bip143::SighashComponents::new(&htlc_tx).sighash_all(&htlc_tx.input[0], &htlc_redeemscript, htlc.amount_msat / 1000)[..]).unwrap();
secp_ctx.verify(&htlc_sighash, &remote_signature, &keys.b_htlc_key).unwrap();
let mut preimage: Option<[u8; 32]> = None;