let channel_id = $channel_entry.get().channel_id();
let res = loop {
- if !$pending_forwards.is_empty() {
+ let forwards: Vec<(PendingHTLCInfo, u64)> = $pending_forwards; // Force type-checking to resolve
+ if !forwards.is_empty() {
htlc_forwards = Some(($channel_entry.get().get_short_channel_id().expect("We can't have pending forwards before funding confirmation"),
- $channel_entry.get().get_funding_txo().unwrap(), $pending_forwards));
+ $channel_entry.get().get_funding_txo().unwrap(), forwards));
+ }
+ if $chanmon_update.is_some() {
+ assert!($commitment_update.is_some());
+ assert!($funding_locked.is_none());
+ }
+
+ if let Some(msg) = $funding_locked {
+ $channel_state.pending_msg_events.push(events::MessageSendEvent::SendFundingLocked {
+ node_id: counterparty_node_id,
+ msg,
+ });
+ if let Some(announcement_sigs) = $self.get_announcement_sigs($channel_entry.get()) {
+ $channel_state.pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
+ node_id: counterparty_node_id,
+ msg: announcement_sigs,
+ });
+ }
+ $channel_state.short_to_id.insert($channel_entry.get().get_short_channel_id().unwrap(), channel_id);
}
macro_rules! handle_cs { () => {
if let Some(monitor_update) = $chanmon_update {
assert!($order == RAACommitmentOrder::RevokeAndACKFirst);
assert!(!$broadcast_safe);
- assert!($funding_locked.is_none());
assert!($commitment_update.is_some());
if let Err(e) = $self.chain_monitor.update_channel($channel_entry.get().get_funding_txo().unwrap(), monitor_update) {
break handle_monitor_err!($self, e, $channel_state, $channel_entry, RAACommitmentOrder::CommitmentFirst, false, true);
user_channel_id: $channel_entry.get().get_user_id(),
});
}
- if let Some(msg) = $funding_locked {
- $channel_state.pending_msg_events.push(events::MessageSendEvent::SendFundingLocked {
- node_id: counterparty_node_id,
- msg,
- });
- if let Some(announcement_sigs) = $self.get_announcement_sigs($channel_entry.get()) {
- $channel_state.pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
- node_id: counterparty_node_id,
- msg: announcement_sigs,
- });
- }
- $channel_state.short_to_id.insert($channel_entry.get().get_short_channel_id().unwrap(), channel_id);
- }
break Ok(());
};
$self.pending_events.lock().unwrap().push(ev);
}
- $self.fail_holding_cell_htlcs($forwarding_failures, channel_id);
- for failure in $pending_failures.drain(..) {
+ let forwarding_failures: Vec<(HTLCSource, PaymentHash)> = $forwarding_failures; // Force type-checking to resolve
+ $self.fail_holding_cell_htlcs(forwarding_failures, channel_id);
+
+ let mut pending_failures: Vec<(HTLCSource, PaymentHash, HTLCFailReason)> = $pending_failures; // Force type-checking to resolve
+ for failure in pending_failures.drain(..) {
$self.fail_htlc_backwards_internal($self.channel_state.lock().unwrap(), failure.0, &failure.1, failure.2);
}
if let Some(forwards) = htlc_forwards {
pub fn channel_monitor_updated(&self, funding_txo: &OutPoint, highest_applied_update_id: u64) {
let _persistence_guard = PersistenceNotifierGuard::new(&self.total_consistency_lock, &self.persistence_notifier);
- let (mut pending_failures, forwarding_failures, chan_restoration_res) = {
+ let (pending_failures, forwarding_failures, chan_restoration_res) = {
let mut channel_lock = self.channel_state.lock().unwrap();
let channel_state = &mut *channel_lock;
let mut channel = match channel_state.by_id.entry(funding_txo.to_channel_id()) {
}
fn internal_channel_reestablish(&self, counterparty_node_id: &PublicKey, msg: &msgs::ChannelReestablish) -> Result<(), MsgHandleErrInternal> {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = &mut *channel_state_lock;
+ let chan_restoration_res = {
+ let mut channel_state_lock = self.channel_state.lock().unwrap();
+ let channel_state = &mut *channel_state_lock;
- match channel_state.by_id.entry(msg.channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
- if chan.get().get_counterparty_node_id() != *counterparty_node_id {
- return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!".to_owned(), msg.channel_id));
- }
- // Currently, we expect all holding cell update_adds to be dropped on peer
- // disconnect, so Channel's reestablish will never hand us any holding cell
- // freed HTLCs to fail backwards. If in the future we no longer drop pending
- // add-HTLCs on disconnect, we may be handed HTLCs to fail backwards here.
- let (funding_locked, revoke_and_ack, commitment_update, monitor_update_opt, mut order, shutdown) =
- try_chan_entry!(self, chan.get_mut().channel_reestablish(msg, &self.logger), channel_state, chan);
- if let Some(monitor_update) = monitor_update_opt {
- if let Err(e) = self.chain_monitor.update_channel(chan.get().get_funding_txo().unwrap(), monitor_update) {
- // channel_reestablish doesn't guarantee the order it returns is sensical
- // for the messages it returns, but if we're setting what messages to
- // re-transmit on monitor update success, we need to make sure it is sane.
- if revoke_and_ack.is_none() {
- order = RAACommitmentOrder::CommitmentFirst;
- }
- if commitment_update.is_none() {
- order = RAACommitmentOrder::RevokeAndACKFirst;
- }
- return_monitor_err!(self, e, channel_state, chan, order, revoke_and_ack.is_some(), commitment_update.is_some());
- //TODO: Resend the funding_locked if needed once we get the monitor running again
- }
- }
- if let Some(msg) = funding_locked {
- channel_state.pending_msg_events.push(events::MessageSendEvent::SendFundingLocked {
- node_id: counterparty_node_id.clone(),
- msg
- });
- }
- macro_rules! send_raa { () => {
- if let Some(msg) = revoke_and_ack {
- channel_state.pending_msg_events.push(events::MessageSendEvent::SendRevokeAndACK {
- node_id: counterparty_node_id.clone(),
- msg
- });
+ match channel_state.by_id.entry(msg.channel_id) {
+ hash_map::Entry::Occupied(mut chan) => {
+ if chan.get().get_counterparty_node_id() != *counterparty_node_id {
+ return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!".to_owned(), msg.channel_id));
}
- } }
- macro_rules! send_cu { () => {
- if let Some(updates) = commitment_update {
- channel_state.pending_msg_events.push(events::MessageSendEvent::UpdateHTLCs {
+ // Currently, we expect all holding cell update_adds to be dropped on peer
+ // disconnect, so Channel's reestablish will never hand us any holding cell
+ // freed HTLCs to fail backwards. If in the future we no longer drop pending
+ // add-HTLCs on disconnect, we may be handed HTLCs to fail backwards here.
+ let (funding_locked, revoke_and_ack, commitment_update, monitor_update_opt, order, shutdown) =
+ try_chan_entry!(self, chan.get_mut().channel_reestablish(msg, &self.logger), channel_state, chan);
+ if let Some(msg) = shutdown {
+ channel_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
node_id: counterparty_node_id.clone(),
- updates
+ msg,
});
}
- } }
- match order {
- RAACommitmentOrder::RevokeAndACKFirst => {
- send_raa!();
- send_cu!();
- },
- RAACommitmentOrder::CommitmentFirst => {
- send_cu!();
- send_raa!();
- },
- }
- if let Some(msg) = shutdown {
- channel_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
- node_id: counterparty_node_id.clone(),
- msg,
- });
- }
- Ok(())
- },
- hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel".to_owned(), msg.channel_id))
- }
+ handle_chan_restoration_locked!(self, channel_state_lock, channel_state, chan, revoke_and_ack, commitment_update, order, monitor_update_opt, Vec::new(), false, funding_locked)
+ },
+ hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel".to_owned(), msg.channel_id))
+ }
+ };
+ post_handle_chan_restoration!(self, chan_restoration_res, Vec::new(), Vec::new());
+ Ok(())
}
/// Begin Update fee process. Allowed only on an outbound channel.