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Remove useless local commitment txn signatures

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check_spend_local_transaction is tasked with detection of
onchain local commitment transaction and generate HTLC transaction.
Signing an already onchain tx isn't necessary.
This commit is contained in:
Antoine Riard 2020-03-20 16:58:13 -04:00
parent 82e78872df
commit 502197d943
1 changed files with 0 additions and 11 deletions
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11
lightning/src/ln/channelmonitor.rs
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@ -1749,25 +1749,14 @@ impl<ChanSigner: ChannelKeys> ChannelMonitor<ChanSigner> {
// HTLCs set may differ between last and previous local commitment txn, in case of one them hitting chain, ensure we cancel all HTLCs backward
let mut is_local_tx = false;
if let &mut Some(ref mut local_tx) = &mut self.current_local_signed_commitment_tx {
if local_tx.txid == commitment_txid {
local_tx.tx.add_local_sig(&self.onchain_detection.keys.funding_key(), self.funding_redeemscript.as_ref().unwrap(), self.channel_value_satoshis.unwrap(), &self.secp_ctx);
}
}
if let &Some(ref local_tx) = &self.current_local_signed_commitment_tx {
if local_tx.txid == commitment_txid {
is_local_tx = true;
log_trace!(self, "Got latest local commitment tx broadcast, searching for available HTLCs to claim");
assert!(local_tx.tx.has_local_sig());
let mut res = self.broadcast_by_local_state(local_tx);
append_onchain_update!(res);
}
}
if let &mut Some(ref mut local_tx) = &mut self.prev_local_signed_commitment_tx {
if local_tx.txid == commitment_txid {
local_tx.tx.add_local_sig(&self.onchain_detection.keys.funding_key(), self.funding_redeemscript.as_ref().unwrap(), self.channel_value_satoshis.unwrap(), &self.secp_ctx);
}
}
if let &Some(ref local_tx) = &self.prev_local_signed_commitment_tx {
if local_tx.txid == commitment_txid {
is_local_tx = true;