Merge pull request #911 from TheBlueMatt/2021-05-fix-cltv-diff

[rust-lightning] / lightning / src / chain / channelmonitor.rs

diff --git a/lightning/src/chain/channelmonitor.rs b/lightning/src/chain/channelmonitor.rs
index c68ee39bb47a9c1b01b7ec72c52604f356267962..62cb740e816d94ab517335d88e562a40191126fd 100644 (file)
--- a/lightning/src/chain/channelmonitor.rs
+++ b/lightning/src/chain/channelmonitor.rs
@@ -34,10 +34,11 @@ use bitcoin::secp256k1::{Secp256k1,Signature};
 use bitcoin::secp256k1::key::{SecretKey,PublicKey};
 use bitcoin::secp256k1;
 
+use ln::{PaymentHash, PaymentPreimage};
 use ln::msgs::DecodeError;
 use ln::chan_utils;
 use ln::chan_utils::{CounterpartyCommitmentSecrets, HTLCOutputInCommitment, HTLCType, ChannelTransactionParameters, HolderCommitmentTransaction};
-use ln::channelmanager::{BestBlock, HTLCSource, PaymentPreimage, PaymentHash};
+use ln::channelmanager::{BestBlock, HTLCSource};
 use ln::onchaintx::{OnchainTxHandler, InputDescriptors};
 use chain;
 use chain::WatchedOutput;
@@ -205,7 +206,7 @@ pub(crate) const CLTV_SHARED_CLAIM_BUFFER: u32 = 12;
 /// HTLC-Success transaction.
 /// In other words, this is an upper bound on how many blocks we think it can take us to get a
 /// transaction confirmed (and we use it in a few more, equivalent, places).
-pub(crate) const CLTV_CLAIM_BUFFER: u32 = 6;
+pub(crate) const CLTV_CLAIM_BUFFER: u32 = 18;
 /// Number of blocks by which point we expect our counterparty to have seen new blocks on the
 /// network and done a full update_fail_htlc/commitment_signed dance (+ we've updated all our
 /// copies of ChannelMonitors, including watchtowers). We could enforce the contract by failing
@@ -1567,6 +1568,7 @@ impl<Signer: Sign> ChannelMonitorImpl<Signer> {
                                        L::Target: Logger,
        {
                for tx in self.get_latest_holder_commitment_txn(logger).iter() {
+                       log_info!(logger, "Broadcasting local {}", log_tx!(tx));
                        broadcaster.broadcast_transaction(tx);
                }
                self.pending_monitor_events.push(MonitorEvent::CommitmentTxBroadcasted(self.funding_info.0));
@@ -3048,7 +3050,8 @@ mod tests {
        use hex;
        use chain::channelmonitor::ChannelMonitor;
        use chain::transaction::OutPoint;
-       use ln::channelmanager::{BestBlock, PaymentPreimage, PaymentHash};
+       use ln::{PaymentPreimage, PaymentHash};
+       use ln::channelmanager::BestBlock;
        use ln::onchaintx::{OnchainTxHandler, InputDescriptors};
        use ln::chan_utils;
        use ln::chan_utils::{HTLCOutputInCommitment, ChannelPublicKeys, ChannelTransactionParameters, HolderCommitmentTransaction, CounterpartyChannelTransactionParameters};