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Track funding tx channelmonitor #4109

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Track funding tx channelmonitor #4109

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8376197
Prefactor: drop #[rustfmt::skip] on broadcast_latest_holder_commitmen…
martinsaposnic Sep 26, 2025
cdc4ebf
Add manual-funding broadcast tracking to ChannelMonitor
martinsaposnic Sep 26, 2025
b725130
Set funding_seen_onchain=true in filter_block
martinsaposnic Sep 26, 2025
c665c95
Gate holder broadcast queueing on funding confirmation
martinsaposnic Sep 26, 2025
1f9ee40
Defer claimable tracking until funding tx confirms
martinsaposnic Sep 26, 2025
ef38903
Queue holder commit once funding tx confirms
martinsaposnic Sep 26, 2025
400730f
Test manual broadcast tracking and holder commit flow
martinsaposnic Sep 26, 2025
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6 changes: 6 additions & 0 deletions lightning/src/chain/channelmonitor.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -5260,6 +5260,7 @@ impl<Signer: EcdsaChannelSigner> ChannelMonitorImpl<Signer> {
F::Target: FeeEstimator,
L::Target: Logger,
{
let funding_seen_before = self.funding_seen_onchain;
let txn_matched = self.filter_block(txdata);
for tx in &txn_matched {
let mut output_val = Amount::ZERO;
Expand All @@ -5281,6 +5282,11 @@ impl<Signer: EcdsaChannelSigner> ChannelMonitorImpl<Signer> {

let mut watch_outputs = Vec::new();
let mut claimable_outpoints = Vec::new();

if self.is_manual_broadcast && !funding_seen_before && self.funding_seen_onchain && self.holder_tx_signed
{
should_broadcast_commitment = true;
}
'tx_iter: for tx in &txn_matched {
let txid = tx.compute_txid();
log_trace!(logger, "Transaction {} confirmed in block {}", txid , block_hash);
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