fn close_channel_internal(&self, channel_id: &ChannelId, counterparty_node_id: &PublicKey, target_feerate_sats_per_1000_weight: Option<u32>, override_shutdown_script: Option<ShutdownScript>) -> Result<(), APIError> {
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
- let mut failed_htlcs: Vec<(HTLCSource, PaymentHash)>;
- let shutdown_result;
- loop {
+ let mut failed_htlcs: Vec<(HTLCSource, PaymentHash)> = Vec::new();
+ let mut shutdown_result = None;
+
+ {
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(counterparty_node_id)
if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
let funding_txo_opt = chan.context.get_funding_txo();
let their_features = &peer_state.latest_features;
- let (shutdown_msg, mut monitor_update_opt, htlcs, local_shutdown_result) =
+ let (shutdown_msg, mut monitor_update_opt, htlcs) =
chan.get_shutdown(&self.signer_provider, their_features, target_feerate_sats_per_1000_weight, override_shutdown_script)?;
failed_htlcs = htlcs;
- shutdown_result = local_shutdown_result;
- debug_assert_eq!(shutdown_result.is_some(), chan.is_shutdown());
// We can send the `shutdown` message before updating the `ChannelMonitor`
// here as we don't need the monitor update to complete until we send a
if let Some(monitor_update) = monitor_update_opt.take() {
handle_new_monitor_update!(self, funding_txo_opt.unwrap(), monitor_update,
peer_state_lock, peer_state, per_peer_state, chan);
- break;
- }
-
- if chan.is_shutdown() {
- if let ChannelPhase::Funded(chan) = remove_channel_phase!(self, chan_phase_entry) {
- if let Ok(channel_update) = self.get_channel_update_for_broadcast(&chan) {
- peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
- msg: channel_update
- });
- }
- self.issue_channel_close_events(&chan.context, ClosureReason::HolderForceClosed);
- }
}
- break;
+ } else {
+ self.issue_channel_close_events(chan_phase_entry.get().context(), ClosureReason::HolderForceClosed);
+ let mut chan_phase = remove_channel_phase!(self, chan_phase_entry);
+ shutdown_result = Some(chan_phase.context_mut().force_shutdown(false));
}
},
hash_map::Entry::Vacant(_) => {
- // If we reach this point, it means that the channel_id either refers to an unfunded channel or
- // it does not exist for this peer. Either way, we can attempt to force-close it.
- //
- // An appropriate error will be returned for non-existence of the channel if that's the case.
- mem::drop(peer_state_lock);
- mem::drop(per_peer_state);
- return self.force_close_channel_with_peer(&channel_id, counterparty_node_id, None, false).map(|_| ())
+ return Err(APIError::ChannelUnavailable {
+ err: format!(
+ "Channel with id {} not found for the passed counterparty node_id {}",
+ channel_id, counterparty_node_id,
+ )
+ });
},
}
}
/// [`internal_closing_signed`]: Self::internal_closing_signed
fn get_channel_update_for_unicast(&self, chan: &Channel<SP>) -> Result<msgs::ChannelUpdate, LightningError> {
let logger = WithChannelContext::from(&self.logger, &chan.context);
- log_trace!(logger, "Attempting to generate channel update for channel {}", log_bytes!(chan.context.channel_id().0));
+ log_trace!(logger, "Attempting to generate channel update for channel {}", chan.context.channel_id());
let short_channel_id = match chan.context.get_short_channel_id().or(chan.context.latest_inbound_scid_alias()) {
None => return Err(LightningError{err: "Channel not yet established".to_owned(), action: msgs::ErrorAction::IgnoreError}),
Some(id) => id,
fn get_channel_update_for_onion(&self, short_channel_id: u64, chan: &Channel<SP>) -> Result<msgs::ChannelUpdate, LightningError> {
let logger = WithChannelContext::from(&self.logger, &chan.context);
- log_trace!(logger, "Generating channel update for channel {}", log_bytes!(chan.context.channel_id().0));
+ log_trace!(logger, "Generating channel update for channel {}", chan.context.channel_id());
let were_node_one = self.our_network_pubkey.serialize()[..] < chan.context.get_counterparty_node_id().serialize()[..];
let enabled = chan.context.is_usable() && match chan.channel_update_status() {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
let (chan, msg_opt) = match peer_state.channel_by_id.remove(temporary_channel_id) {
- Some(ChannelPhase::UnfundedOutboundV1(chan)) => {
+ Some(ChannelPhase::UnfundedOutboundV1(mut chan)) => {
let funding_txo = find_funding_output(&chan, &funding_transaction)?;
let logger = WithChannelContext::from(&self.logger, &chan.context);
(chan, MsgHandleErrInternal::from_finish_shutdown(msg, channel_id, user_id, shutdown_res, None, channel_capacity))
} else { unreachable!(); });
match funding_res {
- Ok((chan, funding_msg)) => (chan, funding_msg),
+ Ok(funding_msg) => (chan, funding_msg),
Err((chan, err)) => {
mem::drop(peer_state_lock);
mem::drop(per_peer_state);
if id_to_peer.insert(chan.context.channel_id(), chan.context.get_counterparty_node_id()).is_some() {
panic!("id_to_peer map already contained funding txid, which shouldn't be possible");
}
- e.insert(ChannelPhase::Funded(chan));
+ e.insert(ChannelPhase::UnfundedOutboundV1(chan));
}
}
Ok(())
let phantom_shared_secret = self.node_signer.ecdh(Recipient::PhantomNode, &onion_packet.public_key.unwrap(), None).unwrap().secret_bytes();
let next_hop = match onion_utils::decode_next_payment_hop(
phantom_shared_secret, &onion_packet.hop_data, onion_packet.hmac,
- payment_hash, &self.node_signer
+ payment_hash, None, &self.node_signer
) {
Ok(res) => res,
Err(onion_utils::OnionDecodeErr::Malformed { err_msg, err_code }) => {
// We got a temporary failure updating monitor, but will claim the
// HTLC when the monitor updating is restored (or on chain).
let logger = WithContext::from(&self.logger, None, Some(prev_hop_chan_id));
- log_error!(self.logger, "Temporary failure claiming HTLC, treating as success: {}", err.err.err);
+ log_error!(logger, "Temporary failure claiming HTLC, treating as success: {}", err.err.err);
} else { errs.push((pk, err)); }
}
}
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
- hash_map::Entry::Occupied(mut chan_phase_entry) => {
- match chan_phase_entry.get_mut() {
- ChannelPhase::Funded(ref mut chan) => {
- let logger = WithChannelContext::from(&self.logger, &chan.context);
- let monitor = try_chan_phase_entry!(self,
- chan.funding_signed(&msg, best_block, &self.signer_provider, &&logger), chan_phase_entry);
- if let Ok(persist_status) = self.chain_monitor.watch_channel(chan.context.get_funding_txo().unwrap(), monitor) {
- handle_new_monitor_update!(self, persist_status, peer_state_lock, peer_state, per_peer_state, chan, INITIAL_MONITOR);
- Ok(())
- } else {
- try_chan_phase_entry!(self, Err(ChannelError::Close("Channel funding outpoint was a duplicate".to_owned())), chan_phase_entry)
+ hash_map::Entry::Occupied(chan_phase_entry) => {
+ if matches!(chan_phase_entry.get(), ChannelPhase::UnfundedOutboundV1(_)) {
+ let chan = if let ChannelPhase::UnfundedOutboundV1(chan) = chan_phase_entry.remove() { chan } else { unreachable!() };
+ let logger = WithContext::from(
+ &self.logger,
+ Some(chan.context.get_counterparty_node_id()),
+ Some(chan.context.channel_id())
+ );
+ let res =
+ chan.funding_signed(&msg, best_block, &self.signer_provider, &&logger);
+ match res {
+ Ok((chan, monitor)) => {
+ if let Ok(persist_status) = self.chain_monitor.watch_channel(chan.context.get_funding_txo().unwrap(), monitor) {
+ // We really should be able to insert here without doing a second
+ // lookup, but sadly rust stdlib doesn't currently allow keeping
+ // the original Entry around with the value removed.
+ let mut chan = peer_state.channel_by_id.entry(msg.channel_id).or_insert(ChannelPhase::Funded(chan));
+ if let ChannelPhase::Funded(ref mut chan) = &mut chan {
+ handle_new_monitor_update!(self, persist_status, peer_state_lock, peer_state, per_peer_state, chan, INITIAL_MONITOR);
+ } else { unreachable!(); }
+ Ok(())
+ } else {
+ let e = ChannelError::Close("Channel funding outpoint was a duplicate".to_owned());
+ return Err(convert_chan_phase_err!(self, e, &mut ChannelPhase::Funded(chan), &msg.channel_id).1);
+ }
+ },
+ Err((chan, e)) => {
+ debug_assert!(matches!(e, ChannelError::Close(_)),
+ "We don't have a channel anymore, so the error better have expected close");
+ // We've already removed this outbound channel from the map in
+ // `PeerState` above so at this point we just need to clean up any
+ // lingering entries concerning this channel as it is safe to do so.
+ return Err(convert_chan_phase_err!(self, e, &mut ChannelPhase::UnfundedOutboundV1(chan), &msg.channel_id).1);
}
- },
- _ => {
- return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel".to_owned(), msg.channel_id));
- },
+ }
+ } else {
+ return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel".to_owned(), msg.channel_id));
}
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel".to_owned(), msg.channel_id))
},
hash_map::Entry::Vacant(_) => {
log_debug!(logger, "Sending bogus ChannelReestablish for unknown channel {} to force channel closure",
- log_bytes!(msg.channel_id.0));
+ msg.channel_id);
// Unfortunately, lnd doesn't force close on errors
// (https://github.com/lightningnetwork/lnd/blob/abb1e3463f3a83bbb843d5c399869dbe930ad94f/htlcswitch/link.go#L2119).
// One of the few ways to get an lnd counterparty to force close is by
let unblock_chan = |phase: &mut ChannelPhase<SP>, pending_msg_events: &mut Vec<MessageSendEvent>| {
let node_id = phase.context().get_counterparty_node_id();
- if let ChannelPhase::Funded(chan) = phase {
- let msgs = chan.signer_maybe_unblocked(&self.logger);
- if let Some(updates) = msgs.commitment_update {
- pending_msg_events.push(events::MessageSendEvent::UpdateHTLCs {
- node_id,
- updates,
- });
- }
- if let Some(msg) = msgs.funding_signed {
- pending_msg_events.push(events::MessageSendEvent::SendFundingSigned {
- node_id,
- msg,
- });
- }
- if let Some(msg) = msgs.funding_created {
- pending_msg_events.push(events::MessageSendEvent::SendFundingCreated {
- node_id,
- msg,
- });
+ match phase {
+ ChannelPhase::Funded(chan) => {
+ let msgs = chan.signer_maybe_unblocked(&self.logger);
+ if let Some(updates) = msgs.commitment_update {
+ pending_msg_events.push(events::MessageSendEvent::UpdateHTLCs {
+ node_id,
+ updates,
+ });
+ }
+ if let Some(msg) = msgs.funding_signed {
+ pending_msg_events.push(events::MessageSendEvent::SendFundingSigned {
+ node_id,
+ msg,
+ });
+ }
+ if let Some(msg) = msgs.channel_ready {
+ send_channel_ready!(self, pending_msg_events, chan, msg);
+ }
}
- if let Some(msg) = msgs.channel_ready {
- send_channel_ready!(self, pending_msg_events, chan, msg);
+ ChannelPhase::UnfundedOutboundV1(chan) => {
+ if let Some(msg) = chan.signer_maybe_unblocked(&self.logger) {
+ pending_msg_events.push(events::MessageSendEvent::SendFundingCreated {
+ node_id,
+ msg,
+ });
+ }
}
+ ChannelPhase::UnfundedInboundV1(_) => {},
}
};
hash_map::Entry::Occupied(mut entry) => {
let newly_added = entry.get_mut().insert(session_priv_bytes, &path);
log_info!(logger, "{} a pending payment path for {} msat for session priv {} on an existing pending payment with payment hash {}",
- if newly_added { "Added" } else { "Had" }, path_amt, log_bytes!(session_priv_bytes), log_bytes!(htlc.payment_hash.0));
+ if newly_added { "Added" } else { "Had" }, path_amt, log_bytes!(session_priv_bytes), htlc.payment_hash);
},
hash_map::Entry::Vacant(entry) => {
let path_fee = path.fee_msat();
}
}
if let Some(previous_hop_monitor) = args.channel_monitors.get(&claimable_htlc.prev_hop.outpoint) {
- let logger = WithChannelMonitor::from(&args.logger, previous_hop_monitor);
- previous_hop_monitor.provide_payment_preimage(&payment_hash, &payment_preimage, &args.tx_broadcaster, &bounded_fee_estimator, &&logger);
+ previous_hop_monitor.provide_payment_preimage(&payment_hash, &payment_preimage, &args.tx_broadcaster, &bounded_fee_estimator, &args.logger);
}
}
pending_events_read.push_back((events::Event::PaymentClaimed {
projects / rust-lightning / blobdiff