}
impl_writeable_tlv_based!(RevokedOutput, {
- (0, per_commitment_point),
- (2, counterparty_delayed_payment_base_key),
- (4, counterparty_htlc_base_key),
- (6, per_commitment_key),
- (8, weight),
- (10, amount),
- (12, on_counterparty_tx_csv),
-}, {}, {});
+ (0, per_commitment_point, required),
+ (2, counterparty_delayed_payment_base_key, required),
+ (4, counterparty_htlc_base_key, required),
+ (6, per_commitment_key, required),
+ (8, weight, required),
+ (10, amount, required),
+ (12, on_counterparty_tx_csv, required),
+});
/// A struct to describe a revoked offered output and corresponding information to generate a
/// solving witness.
}
impl_writeable_tlv_based!(RevokedHTLCOutput, {
- (0, per_commitment_point),
- (2, counterparty_delayed_payment_base_key),
- (4, counterparty_htlc_base_key),
- (6, per_commitment_key),
- (8, weight),
- (10, amount),
- (12, htlc),
-}, {}, {});
+ (0, per_commitment_point, required),
+ (2, counterparty_delayed_payment_base_key, required),
+ (4, counterparty_htlc_base_key, required),
+ (6, per_commitment_key, required),
+ (8, weight, required),
+ (10, amount, required),
+ (12, htlc, required),
+});
/// A struct to describe a HTLC output on a counterparty commitment transaction.
///
}
impl_writeable_tlv_based!(CounterpartyOfferedHTLCOutput, {
- (0, per_commitment_point),
- (2, counterparty_delayed_payment_base_key),
- (4, counterparty_htlc_base_key),
- (6, preimage),
- (8, htlc),
-}, {}, {});
+ (0, per_commitment_point, required),
+ (2, counterparty_delayed_payment_base_key, required),
+ (4, counterparty_htlc_base_key, required),
+ (6, preimage, required),
+ (8, htlc, required),
+});
/// A struct to describe a HTLC output on a counterparty commitment transaction.
///
}
impl_writeable_tlv_based!(CounterpartyReceivedHTLCOutput, {
- (0, per_commitment_point),
- (2, counterparty_delayed_payment_base_key),
- (4, counterparty_htlc_base_key),
- (6, htlc),
-}, {}, {});
+ (0, per_commitment_point, required),
+ (2, counterparty_delayed_payment_base_key, required),
+ (4, counterparty_htlc_base_key, required),
+ (6, htlc, required),
+});
/// A struct to describe a HTLC output on holder commitment transaction.
///
pub(crate) struct HolderHTLCOutput {
preimage: Option<PaymentPreimage>,
amount: u64,
+ /// Defaults to 0 for HTLC-Success transactions, which have no expiry
+ cltv_expiry: u32,
}
impl HolderHTLCOutput {
- pub(crate) fn build(preimage: Option<PaymentPreimage>, amount: u64) -> Self {
+ pub(crate) fn build_offered(amount: u64, cltv_expiry: u32) -> Self {
HolderHTLCOutput {
- preimage,
- amount
+ preimage: None,
+ amount,
+ cltv_expiry,
+ }
+ }
+
+ pub(crate) fn build_accepted(preimage: PaymentPreimage, amount: u64) -> Self {
+ HolderHTLCOutput {
+ preimage: Some(preimage),
+ amount,
+ cltv_expiry: 0,
}
}
}
impl_writeable_tlv_based!(HolderHTLCOutput, {
- (0, amount),
-}, {
- (2, preimage),
-}, {});
+ (0, amount, required),
+ (2, cltv_expiry, required),
+ (4, preimage, option)
+});
/// A struct to describe the channel output on the funding transaction.
///
}
impl_writeable_tlv_based!(HolderFundingOutput, {
- (0, funding_redeemscript),
-}, {}, {});
+ (0, funding_redeemscript, required),
+});
/// A wrapper encapsulating all in-protocol differing outputs types.
///
_ => { panic!("API Error!"); }
}
}
-}
-
-impl Writeable for PackageSolvingData {
- fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
- match self {
- PackageSolvingData::RevokedOutput(ref revoked_outp) => {
- 0u8.write(writer)?;
- revoked_outp.write(writer)?;
- },
- PackageSolvingData::RevokedHTLCOutput(ref revoked_outp) => {
- 1u8.write(writer)?;
- revoked_outp.write(writer)?;
- },
- PackageSolvingData::CounterpartyOfferedHTLCOutput(ref counterparty_outp) => {
- 2u8.write(writer)?;
- counterparty_outp.write(writer)?;
- },
- PackageSolvingData::CounterpartyReceivedHTLCOutput(ref counterparty_outp) => {
- 3u8.write(writer)?;
- counterparty_outp.write(writer)?;
- },
- PackageSolvingData::HolderHTLCOutput(ref holder_outp) => {
- 4u8.write(writer)?;
- holder_outp.write(writer)?;
- },
- PackageSolvingData::HolderFundingOutput(ref funding_outp) => {
- 5u8.write(writer)?;
- funding_outp.write(writer)?;
- }
- }
- Ok(())
- }
-}
-
-impl Readable for PackageSolvingData {
- fn read<R: ::std::io::Read>(reader: &mut R) -> Result<Self, DecodeError> {
- let byte = <u8 as Readable>::read(reader)?;
- let solving_data = match byte {
- 0 => {
- PackageSolvingData::RevokedOutput(Readable::read(reader)?)
- },
- 1 => {
- PackageSolvingData::RevokedHTLCOutput(Readable::read(reader)?)
- },
- 2 => {
- PackageSolvingData::CounterpartyOfferedHTLCOutput(Readable::read(reader)?)
- },
- 3 => {
- PackageSolvingData::CounterpartyReceivedHTLCOutput(Readable::read(reader)?)
- },
- 4 => {
- PackageSolvingData::HolderHTLCOutput(Readable::read(reader)?)
- },
- 5 => {
- PackageSolvingData::HolderFundingOutput(Readable::read(reader)?)
- }
- _ => return Err(DecodeError::UnknownVersion)
+ fn absolute_tx_timelock(&self, output_conf_height: u32) -> u32 {
+ // Get the absolute timelock at which this output can be spent given the height at which
+ // this output was confirmed. We use `output_conf_height + 1` as a safe default as we can
+ // be confirmed in the next block and transactions with time lock `current_height + 1`
+ // always propagate.
+ let absolute_timelock = match self {
+ PackageSolvingData::RevokedOutput(_) => output_conf_height + 1,
+ PackageSolvingData::RevokedHTLCOutput(_) => output_conf_height + 1,
+ PackageSolvingData::CounterpartyOfferedHTLCOutput(_) => output_conf_height + 1,
+ PackageSolvingData::CounterpartyReceivedHTLCOutput(ref outp) => std::cmp::max(outp.htlc.cltv_expiry, output_conf_height + 1),
+ PackageSolvingData::HolderHTLCOutput(ref outp) => std::cmp::max(outp.cltv_expiry, output_conf_height + 1),
+ PackageSolvingData::HolderFundingOutput(_) => output_conf_height + 1,
};
- Ok(solving_data)
+ absolute_timelock
}
}
+impl_writeable_tlv_based_enum!(PackageSolvingData, ;
+ (0, RevokedOutput),
+ (1, RevokedHTLCOutput),
+ (2, CounterpartyOfferedHTLCOutput),
+ (3, CounterpartyReceivedHTLCOutput),
+ (4, HolderHTLCOutput),
+ (5, HolderFundingOutput),
+);
+
/// A malleable package might be aggregated with other packages to save on fees.
/// A untractable package has been counter-signed and aggregable will break cached counterparty
/// signatures.
}
amounts
}
+ pub(crate) fn package_timelock(&self) -> u32 {
+ self.inputs.iter().map(|(_, outp)| outp.absolute_tx_timelock(self.height_original))
+ .max().expect("There must always be at least one output to spend in a PackageTemplate")
+ }
pub(crate) fn package_weight(&self, destination_script: &Script) -> usize {
let mut inputs_weight = 0;
let mut witnesses_weight = 2; // count segwit flags
});
}
for (i, (outpoint, out)) in self.inputs.iter().enumerate() {
- log_trace!(logger, "Adding claiming input for outpoint {}:{}", outpoint.txid, outpoint.vout);
+ 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_trace!(logger, "Finalized transaction {} ready to broadcast", bumped_tx.txid());
+ 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_trace!(logger, "Adding claiming input for outpoint {}:{}", outpoint.txid, outpoint.vout);
- log_trace!(logger, "Finalized transaction {} ready to broadcast", final_tx.txid());
+ 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;
rev_outp.write(writer)?;
}
write_tlv_fields!(writer, {
- (0, self.soonest_conf_deadline),
- (2, self.feerate_previous),
- (4, self.height_original),
- }, { (6, self.height_timer) });
+ (0, self.soonest_conf_deadline, required),
+ (2, self.feerate_previous, required),
+ (4, self.height_original, required),
+ (6, self.height_timer, option)
+ });
Ok(())
}
}
let mut height_timer = None;
let mut height_original = 0;
read_tlv_fields!(reader, {
- (0, soonest_conf_deadline),
- (2, feerate_previous),
- (4, height_original)
- }, { (6, height_timer) });
+ (0, soonest_conf_deadline, required),
+ (2, feerate_previous, required),
+ (4, height_original, required),
+ (6, height_timer, option),
+ });
Ok(PackageTemplate {
inputs,
malleability,
// ...else just increase the previous feerate by 25% (because that's a nice number)
let new_fee = previous_feerate * (predicted_weight as u64) / 750;
if input_amounts <= new_fee {
- log_trace!(logger, "Can't 25% bump new claiming tx, amount {} is too small", input_amounts);
+ log_warn!(logger, "Can't 25% bump new claiming tx, amount {} is too small", input_amounts);
return None;
}
new_fee
}
} else {
- log_trace!(logger, "Can't new-estimation bump new claiming tx, amount {} is too small", input_amounts);
+ log_warn!(logger, "Can't new-estimation bump new claiming tx, amount {} is too small", input_amounts);
return None;
};
() => {
{
let preimage = PaymentPreimage([2;32]);
- PackageSolvingData::HolderHTLCOutput(HolderHTLCOutput::build(Some(preimage), 0))
+ PackageSolvingData::HolderHTLCOutput(HolderHTLCOutput::build_accepted(preimage, 0))
}
}
}
projects / rust-lightning / blobdiff