- if let Some(hash_map::Entry::Occupied(mut chan)) = peer_state_opt.as_mut().map(|peer_state| peer_state.channel_by_id.entry(chan_id))
- {
- let counterparty_node_id = chan.get().get_counterparty_node_id();
- match chan.get_mut().get_update_fulfill_htlc_and_commit(prev_hop.htlc_id, payment_preimage, &self.logger) {
- Ok(msgs_monitor_option) => {
- if let UpdateFulfillCommitFetch::NewClaim { msgs, htlc_value_msat, monitor_update } = msgs_monitor_option {
- match self.chain_monitor.update_channel(chan.get().get_funding_txo().unwrap(), &monitor_update) {
- ChannelMonitorUpdateStatus::Completed => {},
- e => {
- log_given_level!(self.logger, if e == ChannelMonitorUpdateStatus::PermanentFailure { Level::Error } else { Level::Debug },
- "Failed to update channel monitor with preimage {:?}: {:?}",
- payment_preimage, e);
- let err = handle_monitor_update_res!(self, e, chan, RAACommitmentOrder::CommitmentFirst, false, msgs.is_some()).unwrap_err();
- mem::drop(peer_state_opt);
- mem::drop(per_peer_state);
- self.handle_monitor_update_completion_actions(completion_action(Some(htlc_value_msat)));
- return Err((counterparty_node_id, err));
- }
- }
- if let Some((msg, commitment_signed)) = msgs {
- log_debug!(self.logger, "Claiming funds for HTLC with preimage {} resulted in a commitment_signed for channel {}",
- log_bytes!(payment_preimage.0), log_bytes!(chan.get().channel_id()));
- peer_state_opt.as_mut().unwrap().pending_msg_events.push(events::MessageSendEvent::UpdateHTLCs {
- node_id: counterparty_node_id,
- updates: msgs::CommitmentUpdate {
- update_add_htlcs: Vec::new(),
- update_fulfill_htlcs: vec![msg],
- update_fail_htlcs: Vec::new(),
- update_fail_malformed_htlcs: Vec::new(),
- update_fee: None,
- commitment_signed,
- }
- });
- }
- mem::drop(peer_state_opt);
- mem::drop(per_peer_state);
- self.handle_monitor_update_completion_actions(completion_action(Some(htlc_value_msat)));
- Ok(())
- } else {
- Ok(())
- }
- },
- Err((e, monitor_update)) => {
- match self.chain_monitor.update_channel(chan.get().get_funding_txo().unwrap(), &monitor_update) {
- ChannelMonitorUpdateStatus::Completed => {},
- e => {
- // TODO: This needs to be handled somehow - if we receive a monitor update
- // with a preimage we *must* somehow manage to propagate it to the upstream
- // channel, or we must have an ability to receive the same update and try
- // again on restart.
- log_given_level!(self.logger, if e == ChannelMonitorUpdateStatus::PermanentFailure { Level::Error } else { Level::Info },
- "Failed to update channel monitor with preimage {:?} immediately prior to force-close: {:?}",
- payment_preimage, e);
- },
+ if let Some(mut peer_state_lock) = peer_state_opt.take() {
+ let peer_state = &mut *peer_state_lock;
+ if let hash_map::Entry::Occupied(mut chan) = peer_state.channel_by_id.entry(chan_id) {
+ let counterparty_node_id = chan.get().get_counterparty_node_id();
+ let fulfill_res = chan.get_mut().get_update_fulfill_htlc_and_commit(prev_hop.htlc_id, payment_preimage, &self.logger);
+
+ if let UpdateFulfillCommitFetch::NewClaim { htlc_value_msat, monitor_update } = fulfill_res {
+ if let Some(action) = completion_action(Some(htlc_value_msat)) {
+ log_trace!(self.logger, "Tracking monitor update completion action for channel {}: {:?}",
+ log_bytes!(chan_id), action);
+ peer_state.monitor_update_blocked_actions.entry(chan_id).or_insert(Vec::new()).push(action);