#[derive(Clone, PartialEq, Eq)]
pub(crate) struct HolderFundingOutput {
funding_redeemscript: Script,
+ funding_amount: Option<u64>,
+ opt_anchors: Option<()>,
}
+
impl HolderFundingOutput {
- pub(crate) fn build(funding_redeemscript: Script) -> Self {
+ pub(crate) fn build(funding_redeemscript: Script, funding_amount: u64, opt_anchors: bool) -> Self {
HolderFundingOutput {
funding_redeemscript,
+ funding_amount: Some(funding_amount),
+ opt_anchors: if opt_anchors { Some(()) } else { None },
}
}
+
+ fn opt_anchors(&self) -> bool {
+ self.opt_anchors.is_some()
+ }
}
impl_writeable_tlv_based!(HolderFundingOutput, {
(0, funding_redeemscript, required),
+ (1, opt_anchors, option),
+ (3, funding_amount, option),
});
/// A wrapper encapsulating all in-protocol differing outputs types.
impl PackageSolvingData {
fn amount(&self) -> u64 {
let amt = match self {
- PackageSolvingData::RevokedOutput(ref outp) => { outp.amount },
- PackageSolvingData::RevokedHTLCOutput(ref outp) => { outp.amount },
- PackageSolvingData::CounterpartyOfferedHTLCOutput(ref outp) => { outp.htlc.amount_msat / 1000 },
- PackageSolvingData::CounterpartyReceivedHTLCOutput(ref outp) => { outp.htlc.amount_msat / 1000 },
+ PackageSolvingData::RevokedOutput(ref outp) => outp.amount,
+ PackageSolvingData::RevokedHTLCOutput(ref outp) => outp.amount,
+ PackageSolvingData::CounterpartyOfferedHTLCOutput(ref outp) => outp.htlc.amount_msat / 1000,
+ PackageSolvingData::CounterpartyReceivedHTLCOutput(ref outp) => outp.htlc.amount_msat / 1000,
// Note: Currently, amounts of holder outputs spending witnesses aren't used
// as we can't malleate spending package to increase their feerate. This
// should change with the remaining anchor output patchset.
- PackageSolvingData::HolderHTLCOutput(..) => { unreachable!() },
- PackageSolvingData::HolderFundingOutput(..) => { unreachable!() },
+ PackageSolvingData::HolderHTLCOutput(..) => unreachable!(),
+ PackageSolvingData::HolderFundingOutput(ref outp) => {
+ debug_assert!(outp.opt_anchors());
+ outp.funding_amount.unwrap()
+ }
};
amt
}
let output_weight = (8 + 1 + destination_script.len()) * WITNESS_SCALE_FACTOR;
inputs_weight + witnesses_weight + transaction_weight + output_weight
}
- pub(crate) fn finalize_package<L: Deref, Signer: Sign>(&self, onchain_handler: &mut OnchainTxHandler<Signer>, value: u64, destination_script: Script, logger: &L) -> Option<Transaction>
- where L::Target: Logger,
- {
- match self.malleability {
- PackageMalleability::Malleable => {
- let mut bumped_tx = Transaction {
- version: 2,
- lock_time: PackedLockTime::ZERO,
- input: vec![],
- output: vec![TxOut {
- script_pubkey: destination_script,
- value,
- }],
- };
- for (outpoint, _) in self.inputs.iter() {
- bumped_tx.input.push(TxIn {
- previous_output: *outpoint,
- script_sig: Script::new(),
- sequence: Sequence::ENABLE_RBF_NO_LOCKTIME,
- witness: Witness::new(),
- });
- }
- for (i, (outpoint, out)) in self.inputs.iter().enumerate() {
- log_debug!(logger, "Adding claiming input for outpoint {}:{}", outpoint.txid, outpoint.vout);
- if !out.finalize_input(&mut bumped_tx, i, onchain_handler) { return None; }
- }
- log_debug!(logger, "Finalized transaction {} ready to broadcast", bumped_tx.txid());
- return Some(bumped_tx);
- },
- PackageMalleability::Untractable => {
- debug_assert_eq!(value, 0, "value is ignored for non-malleable packages, should be zero to ensure callsites are correct");
- if let Some((outpoint, outp)) = self.inputs.first() {
- if let Some(final_tx) = outp.get_finalized_tx(outpoint, onchain_handler) {
- log_debug!(logger, "Adding claiming input for outpoint {}:{}", outpoint.txid, outpoint.vout);
- log_debug!(logger, "Finalized transaction {} ready to broadcast", final_tx.txid());
- return Some(final_tx);
- }
- return None;
- } else { panic!("API Error: Package must not be inputs empty"); }
- },
+ pub(crate) fn finalize_malleable_package<L: Deref, Signer: Sign>(
+ &self, onchain_handler: &mut OnchainTxHandler<Signer>, value: u64, destination_script: Script, logger: &L,
+ ) -> Option<Transaction> where L::Target: Logger {
+ debug_assert!(self.is_malleable());
+ let mut bumped_tx = Transaction {
+ version: 2,
+ lock_time: PackedLockTime::ZERO,
+ input: vec![],
+ output: vec![TxOut {
+ script_pubkey: destination_script,
+ value,
+ }],
+ };
+ for (outpoint, _) in self.inputs.iter() {
+ bumped_tx.input.push(TxIn {
+ previous_output: *outpoint,
+ script_sig: Script::new(),
+ sequence: Sequence::ENABLE_RBF_NO_LOCKTIME,
+ witness: Witness::new(),
+ });
+ }
+ for (i, (outpoint, out)) in self.inputs.iter().enumerate() {
+ log_debug!(logger, "Adding claiming input for outpoint {}:{}", outpoint.txid, outpoint.vout);
+ if !out.finalize_input(&mut bumped_tx, i, onchain_handler) { return None; }
}
+ log_debug!(logger, "Finalized transaction {} ready to broadcast", bumped_tx.txid());
+ Some(bumped_tx)
+ }
+ pub(crate) fn finalize_untractable_package<L: Deref, Signer: Sign>(
+ &self, onchain_handler: &mut OnchainTxHandler<Signer>, logger: &L,
+ ) -> Option<Transaction> where L::Target: Logger {
+ debug_assert!(!self.is_malleable());
+ if let Some((outpoint, outp)) = self.inputs.first() {
+ if let Some(final_tx) = outp.get_finalized_tx(outpoint, onchain_handler) {
+ log_debug!(logger, "Adding claiming input for outpoint {}:{}", outpoint.txid, outpoint.vout);
+ log_debug!(logger, "Finalized transaction {} ready to broadcast", final_tx.txid());
+ return Some(final_tx);
+ }
+ return None;
+ } else { panic!("API Error: Package must not be inputs empty"); }
}
/// In LN, output claimed are time-sensitive, which means we have to spend them before reaching some timelock expiration. At in-channel
/// output detection, we generate a first version of a claim tx and associate to it a height timer. A height timer is an absolute block
projects / rust-lightning / blobdiff