let commitment_package = PackageTemplate::build_package(
self.funding_info.0.txid.clone(), self.funding_info.0.index as u32,
PackageSolvingData::HolderFundingOutput(funding_output),
- best_block_height, false, best_block_height,
+ best_block_height, best_block_height
);
self.onchain_tx_handler.update_claims_view_from_requests(
vec![commitment_package], best_block_height, best_block_height,
for (idx, outp) in tx.output.iter().enumerate() {
if outp.script_pubkey == revokeable_p2wsh {
let revk_outp = RevokedOutput::build(per_commitment_point, self.counterparty_commitment_params.counterparty_delayed_payment_base_key, self.counterparty_commitment_params.counterparty_htlc_base_key, per_commitment_key, outp.value, self.counterparty_commitment_params.on_counterparty_tx_csv, self.onchain_tx_handler.opt_anchors());
- // Post-anchor, aggregation of outputs of different types is unsafe. See https://github.com/lightning/bolts/pull/803.
- let aggregation = if self.onchain_tx_handler.opt_anchors() { false } else { true };
- let justice_package = PackageTemplate::build_package(commitment_txid, idx as u32, PackageSolvingData::RevokedOutput(revk_outp), height + self.counterparty_commitment_params.on_counterparty_tx_csv as u32, aggregation, height);
+ let justice_package = PackageTemplate::build_package(commitment_txid, idx as u32, PackageSolvingData::RevokedOutput(revk_outp), height + self.counterparty_commitment_params.on_counterparty_tx_csv as u32, height);
claimable_outpoints.push(justice_package);
to_counterparty_output_info =
Some((idx.try_into().expect("Txn can't have more than 2^32 outputs"), outp.value));
to_counterparty_output_info);
}
let revk_htlc_outp = RevokedHTLCOutput::build(per_commitment_point, self.counterparty_commitment_params.counterparty_delayed_payment_base_key, self.counterparty_commitment_params.counterparty_htlc_base_key, per_commitment_key, htlc.amount_msat / 1000, htlc.clone(), self.onchain_tx_handler.channel_transaction_parameters.opt_anchors.is_some());
- let justice_package = PackageTemplate::build_package(commitment_txid, transaction_output_index, PackageSolvingData::RevokedHTLCOutput(revk_htlc_outp), htlc.cltv_expiry, true, height);
+ let justice_package = PackageTemplate::build_package(commitment_txid, transaction_output_index, PackageSolvingData::RevokedHTLCOutput(revk_htlc_outp), htlc.cltv_expiry, height);
claimable_outpoints.push(justice_package);
}
}
self.counterparty_commitment_params.counterparty_htlc_base_key,
htlc.clone(), self.onchain_tx_handler.opt_anchors()))
};
- let aggregation = if !htlc.offered { false } else { true };
- let counterparty_package = PackageTemplate::build_package(commitment_txid, transaction_output_index, counterparty_htlc_outp, htlc.cltv_expiry,aggregation, 0);
+ let counterparty_package = PackageTemplate::build_package(commitment_txid, transaction_output_index, counterparty_htlc_outp, htlc.cltv_expiry, 0);
claimable_outpoints.push(counterparty_package);
}
}
);
let justice_package = PackageTemplate::build_package(
htlc_txid, idx as u32, PackageSolvingData::RevokedOutput(revk_outp),
- height + self.counterparty_commitment_params.on_counterparty_tx_csv as u32, true, height
+ height + self.counterparty_commitment_params.on_counterparty_tx_csv as u32, height
);
claimable_outpoints.push(justice_package);
if outputs_to_watch.is_none() {
for &(ref htlc, _, _) in holder_tx.htlc_outputs.iter() {
if let Some(transaction_output_index) = htlc.transaction_output_index {
- let (htlc_output, aggregable) = if htlc.offered {
+ let htlc_output = if htlc.offered {
let htlc_output = HolderHTLCOutput::build_offered(
htlc.amount_msat, htlc.cltv_expiry, self.onchain_tx_handler.opt_anchors()
);
- (htlc_output, false)
+ htlc_output
} else {
let payment_preimage = if let Some(preimage) = self.payment_preimages.get(&htlc.payment_hash) {
preimage.clone()
let htlc_output = HolderHTLCOutput::build_accepted(
payment_preimage, htlc.amount_msat, self.onchain_tx_handler.opt_anchors()
);
- (htlc_output, self.onchain_tx_handler.opt_anchors())
+ htlc_output
};
let htlc_package = PackageTemplate::build_package(
holder_tx.txid, transaction_output_index,
PackageSolvingData::HolderHTLCOutput(htlc_output),
- htlc.cltv_expiry, aggregable, conf_height
+ htlc.cltv_expiry, conf_height
);
claim_requests.push(htlc_package);
}
let should_broadcast = self.should_broadcast_holder_commitment_txn(logger);
if should_broadcast {
let funding_outp = HolderFundingOutput::build(self.funding_redeemscript.clone(), self.channel_value_satoshis, self.onchain_tx_handler.opt_anchors());
- let commitment_package = PackageTemplate::build_package(self.funding_info.0.txid.clone(), self.funding_info.0.index as u32, PackageSolvingData::HolderFundingOutput(funding_outp), self.best_block.height(), false, self.best_block.height());
+ let commitment_package = PackageTemplate::build_package(self.funding_info.0.txid.clone(), self.funding_info.0.index as u32, PackageSolvingData::HolderFundingOutput(funding_outp), self.best_block.height(), self.best_block.height());
claimable_outpoints.push(commitment_package);
self.pending_monitor_events.push(MonitorEvent::CommitmentTxConfirmed(self.funding_info.0));
let commitment_tx = self.onchain_tx_handler.get_fully_signed_holder_tx(&self.funding_redeemscript);
};
absolute_timelock
}
+
+ fn map_output_type_flags(&self) -> (PackageMalleability, bool) {
+ // Post-anchor, aggregation of outputs of different types is unsafe. See https://github.com/lightning/bolts/pull/803.
+ let (malleability, aggregable) = match self {
+ PackageSolvingData::RevokedOutput(RevokedOutput { is_counterparty_balance_on_anchors: Some(()), .. }) => { (PackageMalleability::Malleable, false) },
+ PackageSolvingData::RevokedOutput(RevokedOutput { is_counterparty_balance_on_anchors: None, .. }) => { (PackageMalleability::Malleable, true) },
+ PackageSolvingData::RevokedHTLCOutput(..) => { (PackageMalleability::Malleable, true) },
+ PackageSolvingData::CounterpartyOfferedHTLCOutput(..) => { (PackageMalleability::Malleable, true) },
+ PackageSolvingData::CounterpartyReceivedHTLCOutput(..) => { (PackageMalleability::Malleable, false) },
+ PackageSolvingData::HolderHTLCOutput(ref outp) => if outp.opt_anchors() {
+ (PackageMalleability::Malleable, outp.preimage.is_some())
+ } else {
+ (PackageMalleability::Untractable, false)
+ },
+ PackageSolvingData::HolderFundingOutput(..) => { (PackageMalleability::Untractable, false) },
+ };
+ (malleability, aggregable)
+ }
}
impl_writeable_tlv_based_enum!(PackageSolvingData, ;
);
/// 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.
+/// A untractable package has been counter-signed and aggregable will break cached counterparty signatures.
#[derive(Clone, PartialEq, Eq)]
pub(crate) enum PackageMalleability {
Malleable,
}).is_some()
}
- pub (crate) fn build_package(txid: Txid, vout: u32, input_solving_data: PackageSolvingData, soonest_conf_deadline: u32, aggregable: bool, height_original: u32) -> Self {
- let (malleability, aggregable) = Self::map_output_type_flags(&input_solving_data);
+ pub (crate) fn build_package(txid: Txid, vout: u32, input_solving_data: PackageSolvingData, soonest_conf_deadline: u32, height_original: u32) -> Self {
+ let (malleability, aggregable) = PackageSolvingData::map_output_type_flags(&input_solving_data);
let mut inputs = Vec::with_capacity(1);
inputs.push((BitcoinOutPoint { txid, vout }, input_solving_data));
PackageTemplate {
height_original,
}
}
-
- fn map_output_type_flags(input_solving_data: &PackageSolvingData) -> (PackageMalleability, bool) {
- let (malleability, aggregable) = match input_solving_data {
- PackageSolvingData::RevokedOutput(RevokedOutput { is_counterparty_balance_on_anchors: Some(()), .. }) => { (PackageMalleability::Malleable, false) },
- PackageSolvingData::RevokedOutput(RevokedOutput { is_counterparty_balance_on_anchors: None, .. }) => { (PackageMalleability::Malleable, true) },
- PackageSolvingData::RevokedHTLCOutput(..) => { (PackageMalleability::Malleable, true) },
- PackageSolvingData::CounterpartyOfferedHTLCOutput(..) => { (PackageMalleability::Malleable, true) },
- PackageSolvingData::CounterpartyReceivedHTLCOutput(..) => { (PackageMalleability::Malleable, false) },
- PackageSolvingData::HolderHTLCOutput(..) => { (PackageMalleability::Untractable, false) },
- PackageSolvingData::HolderFundingOutput(..) => { (PackageMalleability::Untractable, false) },
- };
- (malleability, aggregable)
- }
}
impl Writeable for PackageTemplate {
inputs.push((outpoint, rev_outp));
}
let (malleability, aggregable) = if let Some((_, lead_input)) = inputs.first() {
- Self::map_output_type_flags(&lead_input)
+ PackageSolvingData::map_output_type_flags(&lead_input)
} else { return Err(DecodeError::InvalidValue); };
let mut soonest_conf_deadline = 0;
let mut feerate_previous = 0;
let secp_ctx = Secp256k1::new();
let revk_outp = dumb_revk_output!(secp_ctx, false);
- let mut package_one_hundred = PackageTemplate::build_package(txid, 0, revk_outp.clone(), 1000, true, 100);
- let package_two_hundred = PackageTemplate::build_package(txid, 1, revk_outp.clone(), 1000, true, 200);
+ let mut package_one_hundred = PackageTemplate::build_package(txid, 0, revk_outp.clone(), 1000, 100);
+ let package_two_hundred = PackageTemplate::build_package(txid, 1, revk_outp.clone(), 1000, 200);
package_one_hundred.merge_package(package_two_hundred);
}
let revk_outp = dumb_revk_output!(secp_ctx, false);
let htlc_outp = dumb_htlc_output!();
- let mut untractable_package = PackageTemplate::build_package(txid, 0, revk_outp.clone(), 1000, true, 100);
- let malleable_package = PackageTemplate::build_package(txid, 1, htlc_outp.clone(), 1000, true, 100);
+ let mut untractable_package = PackageTemplate::build_package(txid, 0, revk_outp.clone(), 1000, 100);
+ let malleable_package = PackageTemplate::build_package(txid, 1, htlc_outp.clone(), 1000, 100);
untractable_package.merge_package(malleable_package);
}
let htlc_outp = dumb_htlc_output!();
let revk_outp = dumb_revk_output!(secp_ctx, false);
- let mut malleable_package = PackageTemplate::build_package(txid, 0, htlc_outp.clone(), 1000, true, 100);
- let untractable_package = PackageTemplate::build_package(txid, 1, revk_outp.clone(), 1000, true, 100);
+ let mut malleable_package = PackageTemplate::build_package(txid, 0, htlc_outp.clone(), 1000, 100);
+ let untractable_package = PackageTemplate::build_package(txid, 1, revk_outp.clone(), 1000, 100);
malleable_package.merge_package(untractable_package);
}
fn test_package_noaggregation_to() {
let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap();
let secp_ctx = Secp256k1::new();
- let revk_outp = dumb_revk_output!(secp_ctx, true);
+ let revk_outp = dumb_revk_output!(secp_ctx, false);
+ let revk_outp_counterparty_balance = dumb_revk_output!(secp_ctx, true);
- let mut noaggregation_package = PackageTemplate::build_package(txid, 0, revk_outp.clone(), 1000, false, 100);
- let aggregation_package = PackageTemplate::build_package(txid, 1, revk_outp.clone(), 1000, true, 100);
+ let mut noaggregation_package = PackageTemplate::build_package(txid, 0, revk_outp_counterparty_balance.clone(), 1000, 100);
+ let aggregation_package = PackageTemplate::build_package(txid, 1, revk_outp.clone(), 1000, 100);
noaggregation_package.merge_package(aggregation_package);
}
fn test_package_noaggregation_from() {
let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap();
let secp_ctx = Secp256k1::new();
- let revk_outp = dumb_revk_output!(secp_ctx, true);
+ let revk_outp = dumb_revk_output!(secp_ctx, false);
+ let revk_outp_counterparty_balance = dumb_revk_output!(secp_ctx, true);
- let mut aggregation_package = PackageTemplate::build_package(txid, 0, revk_outp.clone(), 1000, true, 100);
- let noaggregation_package = PackageTemplate::build_package(txid, 1, revk_outp.clone(), 1000, false, 100);
+ let mut aggregation_package = PackageTemplate::build_package(txid, 0, revk_outp.clone(), 1000, 100);
+ let noaggregation_package = PackageTemplate::build_package(txid, 1, revk_outp_counterparty_balance.clone(), 1000, 100);
aggregation_package.merge_package(noaggregation_package);
}
let secp_ctx = Secp256k1::new();
let revk_outp = dumb_revk_output!(secp_ctx, false);
- let mut empty_package = PackageTemplate::build_package(txid, 0, revk_outp.clone(), 1000, true, 100);
+ let mut empty_package = PackageTemplate::build_package(txid, 0, revk_outp.clone(), 1000, 100);
empty_package.inputs = vec![];
- let package = PackageTemplate::build_package(txid, 1, revk_outp.clone(), 1000, true, 100);
+ let package = PackageTemplate::build_package(txid, 1, revk_outp.clone(), 1000, 100);
empty_package.merge_package(package);
}
let revk_outp = dumb_revk_output!(secp_ctx, false);
let counterparty_outp = dumb_counterparty_output!(secp_ctx, 0, false);
- let mut revoked_package = PackageTemplate::build_package(txid, 0, revk_outp, 1000, true, 100);
- let counterparty_package = PackageTemplate::build_package(txid, 1, counterparty_outp, 1000, true, 100);
+ let mut revoked_package = PackageTemplate::build_package(txid, 0, revk_outp, 1000, 100);
+ let counterparty_package = PackageTemplate::build_package(txid, 1, counterparty_outp, 1000, 100);
revoked_package.merge_package(counterparty_package);
}
let revk_outp_two = dumb_revk_output!(secp_ctx, false);
let revk_outp_three = dumb_revk_output!(secp_ctx, false);
- let mut package_one = PackageTemplate::build_package(txid, 0, revk_outp_one, 1000, true, 100);
- let package_two = PackageTemplate::build_package(txid, 1, revk_outp_two, 1000, true, 100);
- let package_three = PackageTemplate::build_package(txid, 2, revk_outp_three, 1000, true, 100);
+ let mut package_one = PackageTemplate::build_package(txid, 0, revk_outp_one, 1000, 100);
+ let package_two = PackageTemplate::build_package(txid, 1, revk_outp_two, 1000, 100);
+ let package_three = PackageTemplate::build_package(txid, 2, revk_outp_three, 1000, 100);
package_one.merge_package(package_two);
package_one.merge_package(package_three);
let txid = Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap();
let htlc_outp_one = dumb_htlc_output!();
- let mut package_one = PackageTemplate::build_package(txid, 0, htlc_outp_one, 1000, true, 100);
+ let mut package_one = PackageTemplate::build_package(txid, 0, htlc_outp_one, 1000, 100);
let ret_split = package_one.split_package(&BitcoinOutPoint { txid, vout: 0});
assert!(ret_split.is_none());
}
let secp_ctx = Secp256k1::new();
let revk_outp = dumb_revk_output!(secp_ctx, false);
- let mut package = PackageTemplate::build_package(txid, 0, revk_outp, 1000, true, 100);
+ let mut package = PackageTemplate::build_package(txid, 0, revk_outp, 1000, 100);
assert_eq!(package.timer(), 100);
package.set_timer(101);
assert_eq!(package.timer(), 101);
let secp_ctx = Secp256k1::new();
let counterparty_outp = dumb_counterparty_output!(secp_ctx, 1_000_000, false);
- let package = PackageTemplate::build_package(txid, 0, counterparty_outp, 1000, true, 100);
+ let package = PackageTemplate::build_package(txid, 0, counterparty_outp, 1000, 100);
assert_eq!(package.package_amount(), 1000);
}
{
let revk_outp = dumb_revk_output!(secp_ctx, false);
- let package = PackageTemplate::build_package(txid, 0, revk_outp, 0, true, 100);
+ let package = PackageTemplate::build_package(txid, 0, revk_outp, 0, 100);
assert_eq!(package.package_weight(&Script::new()), weight_sans_output + WEIGHT_REVOKED_OUTPUT as usize);
}
{
for &opt_anchors in [false, true].iter() {
let counterparty_outp = dumb_counterparty_output!(secp_ctx, 1_000_000, opt_anchors);
- let package = PackageTemplate::build_package(txid, 0, counterparty_outp, 1000, true, 100);
+ let package = PackageTemplate::build_package(txid, 0, counterparty_outp, 1000, 100);
assert_eq!(package.package_weight(&Script::new()), weight_sans_output + weight_received_htlc(opt_anchors) as usize);
}
}
{
for &opt_anchors in [false, true].iter() {
let counterparty_outp = dumb_counterparty_offered_output!(secp_ctx, 1_000_000, opt_anchors);
- let package = PackageTemplate::build_package(txid, 0, counterparty_outp, 1000, true, 100);
+ let package = PackageTemplate::build_package(txid, 0, counterparty_outp, 1000, 100);
assert_eq!(package.package_weight(&Script::new()), weight_sans_output + weight_offered_htlc(opt_anchors) as usize);
}
}
// revoked outputs.
{
let txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
- assert_eq!(txn.len(), 2);
+ assert_eq!(txn.len(), 4);
- let (revoked_claim_a, revoked_claim_b) = if txn[0].input[0].previous_output.txid == revoked_commitment_a.txid() {
- (&txn[0], &txn[1])
+ let (revoked_htlc_claim_a, revoked_htlc_claim_b) = if txn[0].input[0].previous_output.txid == revoked_commitment_a.txid() {
+ (if txn[0].input.len() == 2 { &txn[0] } else { &txn[1] }, if txn[2].input.len() == 2 { &txn[2] } else { &txn[3] })
} else {
- (&txn[1], &txn[0])
+ (if txn[2].input.len() == 2 { &txn[2] } else { &txn[3] }, if txn[0].input.len() == 2 { &txn[0] } else { &txn[1] })
};
- // TODO: to_self claim must be separate from HTLC claims
- assert_eq!(revoked_claim_a.input.len(), 3); // Spends both HTLC outputs and to_self output
- assert_eq!(revoked_claim_a.output.len(), 1);
- check_spends!(revoked_claim_a, revoked_commitment_a);
- assert_eq!(revoked_claim_b.input.len(), 3); // Spends both HTLC outputs and to_self output
- assert_eq!(revoked_claim_b.output.len(), 1);
- check_spends!(revoked_claim_b, revoked_commitment_b);
+ assert_eq!(revoked_htlc_claim_a.input.len(), 2); // Spends both HTLC outputs
+ assert_eq!(revoked_htlc_claim_a.output.len(), 1);
+ check_spends!(revoked_htlc_claim_a, revoked_commitment_a);
+ assert_eq!(revoked_htlc_claim_b.input.len(), 2); // Spends both HTLC outputs
+ assert_eq!(revoked_htlc_claim_b.output.len(), 1);
+ check_spends!(revoked_htlc_claim_b, revoked_commitment_b);
}
// Since Bob was able to confirm his revoked commitment, he'll now try to claim the HTLCs
// the second level instead.
let revoked_claims = {
let txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
- assert_eq!(txn.len(), 4);
-
- let revoked_to_self_claim_a = txn.iter().find(|tx|
- tx.input.len() == 1 &&
- tx.output.len() == 1 &&
- tx.input[0].previous_output.txid == revoked_commitment_a.txid()
- ).unwrap();
- check_spends!(revoked_to_self_claim_a, revoked_commitment_a);
-
- let revoked_to_self_claim_b = txn.iter().find(|tx|
- tx.input.len() == 1 &&
- tx.output.len() == 1 &&
- tx.input[0].previous_output.txid == revoked_commitment_b.txid()
- ).unwrap();
- check_spends!(revoked_to_self_claim_b, revoked_commitment_b);
+ assert_eq!(txn.len(), 2);
let revoked_htlc_claims = txn.iter().filter(|tx|
tx.input.len() == 2 &&
assert!(nodes[1].chain_monitor.chain_monitor.get_and_clear_pending_events().is_empty());
let spendable_output_events = nodes[0].chain_monitor.chain_monitor.get_and_clear_pending_events();
- assert_eq!(spendable_output_events.len(), 4);
+ assert_eq!(spendable_output_events.len(), 2);
for (idx, event) in spendable_output_events.iter().enumerate() {
if let Event::SpendableOutputs { outputs } = event {
assert_eq!(outputs.len(), 1);
assert!(nodes[0].node.list_channels().is_empty());
assert!(nodes[1].node.list_channels().is_empty());
- assert!(nodes[0].chain_monitor.chain_monitor.get_claimable_balances(&[]).is_empty());
+ // On the Alice side, the individual to_self_claim are still pending confirmation.
+ assert_eq!(nodes[0].chain_monitor.chain_monitor.get_claimable_balances(&[]).len(), 2);
// TODO: From Bob's PoV, he still thinks he can claim the outputs from his revoked commitment.
// This needs to be fixed before we enable pruning `ChannelMonitor`s once they don't have any
// balances to claim.