}
macro_rules! handle_error {
- ($self: ident, $internal: expr, $their_node_id: expr, $locked_channel_state: expr) => {
+ ($self: ident, $internal: expr, $their_node_id: expr) => {
match $internal {
Ok(msg) => Ok(msg),
Err(MsgHandleErrInternal { err, shutdown_finish }) => {
+ let mut channel_state = None;
if let Some((shutdown_res, update_option)) = shutdown_finish {
$self.finish_force_close_channel(shutdown_res);
if let Some(update) = update_option {
- $locked_channel_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
+ channel_state = Some($self.channel_state.lock().unwrap());
+ channel_state.as_mut().unwrap().pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
msg: update
});
}
}
+ #[cfg(debug_assertions)]
+ {
+ // In testing, we always lock here to ensure there are no deadlocks where we
+ // were holding the lock coming into the macro but didn't catch it because we
+ // didn't generate an action and didn't have any HTLCs to fail backwards in the
+ // finish_force_close_channel.
+ if channel_state.is_none() {
+ channel_state = Some($self.channel_state.lock().unwrap());
+ }
+ }
log_error!($self, "{}", err.err);
if let msgs::ErrorAction::IgnoreError = err.action {
- } else { $locked_channel_state.pending_msg_events.push(events::MessageSendEvent::HandleError { node_id: $their_node_id, action: err.action.clone() }); }
+ } else {
+ if channel_state.is_none() {
+ channel_state = Some($self.channel_state.lock().unwrap());
+ }
+ channel_state.as_mut().unwrap().pending_msg_events.push(events::MessageSendEvent::HandleError { node_id: $their_node_id, action: err.action.clone() });
+ }
// Return error in case higher-API need one
Err(err)
},
let res = ChannelManager {
default_configuration: config.clone(),
genesis_hash: genesis_block(network).header.bitcoin_hash(),
+ //genesis_hash: Sha256dHash::from_hex("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206").unwrap(),
fee_estimator: feeest.clone(),
monitor,
tx_broadcaster,
let _ = self.total_consistency_lock.read().unwrap();
- let mut channel_lock = self.channel_state.lock().unwrap();
let err: Result<(), _> = loop {
+ let mut channel_lock = self.channel_state.lock().unwrap();
let id = match channel_lock.short_to_id.get(&path.first().unwrap().short_channel_id) {
None => check_res_push!(Err(APIError::ChannelUnavailable{err: "No channel available with first hop!"})),
Some(id) => id.clone(),
continue 'path_loop;
};
- match handle_error!(self, err, path.first().unwrap().pubkey, channel_lock) {
+ match handle_error!(self, err, path.first().unwrap().pubkey) {
Ok(_) => unreachable!(),
Err(e) => {
check_res_push!(Err(APIError::ChannelUnavailable { err: e.err }));
let _ = self.total_consistency_lock.read().unwrap();
let (mut chan, msg, chan_monitor) = {
- let mut channel_state = self.channel_state.lock().unwrap();
- let (res, chan) = match channel_state.by_id.remove(temporary_channel_id) {
+ let (res, chan) = match self.channel_state.lock().unwrap().by_id.remove(temporary_channel_id) {
Some(mut chan) => {
(chan.get_outbound_funding_created(funding_txo)
.map_err(|e| if let ChannelError::Close(msg) = e {
},
None => return
};
- match handle_error!(self, res, chan.get_their_node_id(), channel_state) {
+ match handle_error!(self, res, chan.get_their_node_id()) {
Ok(funding_msg) => {
(chan, funding_msg.0, funding_msg.1)
},
if let Err(e) = self.monitor.add_update_monitor(chan_monitor.get_funding_txo().unwrap(), chan_monitor) {
match e {
ChannelMonitorUpdateErr::PermanentFailure => {
- {
- let mut channel_state = self.channel_state.lock().unwrap();
- match handle_error!(self, Err(MsgHandleErrInternal::from_finish_shutdown("ChannelMonitor storage failure", *temporary_channel_id, chan.force_shutdown(), None)), chan.get_their_node_id(), channel_state) {
- Err(_) => { return; },
- Ok(()) => unreachable!(),
- }
+ match handle_error!(self, Err(MsgHandleErrInternal::from_finish_shutdown("ChannelMonitor storage failure", *temporary_channel_id, chan.force_shutdown(), None)), chan.get_their_node_id()) {
+ Err(_) => { return; },
+ Ok(()) => unreachable!(),
}
},
ChannelMonitorUpdateErr::TemporaryFailure => {
},
ChannelError::CloseDelayBroadcast { .. } => { panic!("Wait is only generated on receipt of channel_reestablish, which is handled by try_chan_entry, we don't bother to support it here"); }
};
- match handle_error!(self, err, their_node_id, channel_state) {
- Ok(_) => unreachable!(),
- Err(_) => { continue; },
- }
+ handle_errors.push((their_node_id, err));
+ continue;
}
};
if let Err(e) = self.monitor.add_update_monitor(monitor.get_funding_txo().unwrap(), monitor) {
self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), htlc_source, &payment_hash, failure_reason);
}
- if handle_errors.len() > 0 {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- for (their_node_id, err) in handle_errors.drain(..) {
- let _ = handle_error!(self, err, their_node_id, channel_state_lock);
- }
+ for (their_node_id, err) in handle_errors.drain(..) {
+ let _ = handle_error!(self, err, their_node_id);
}
if new_events.is_empty() { return }
return;
};
- let _ = handle_error!(self, err, their_node_id, channel_state_lock);
+ mem::drop(channel_state_lock);
+ let _ = handle_error!(self, err, their_node_id);
}
/// Gets the node_id held by this ChannelManager
#[doc(hidden)]
pub fn update_fee(&self, channel_id: [u8;32], feerate_per_kw: u64) -> Result<(), APIError> {
let _ = self.total_consistency_lock.read().unwrap();
- let mut channel_state_lock = self.channel_state.lock().unwrap();
let their_node_id;
let err: Result<(), _> = loop {
+ let mut channel_state_lock = self.channel_state.lock().unwrap();
let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(channel_id) {
return Ok(())
};
- match handle_error!(self, err, their_node_id, channel_state_lock) {
+ match handle_error!(self, err, their_node_id) {
Ok(_) => unreachable!(),
Err(e) => { Err(APIError::APIMisuseError { err: e.err })}
}
impl<ChanSigner: ChannelKeys, M: Deref + Sync + Send> ChannelMessageHandler for ChannelManager<ChanSigner, M> where M::Target: ManyChannelMonitor {
fn handle_open_channel(&self, their_node_id: &PublicKey, their_features: InitFeatures, msg: &msgs::OpenChannel) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_open_channel(their_node_id, their_features, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_open_channel(their_node_id, their_features, msg), *their_node_id);
}
fn handle_accept_channel(&self, their_node_id: &PublicKey, their_features: InitFeatures, msg: &msgs::AcceptChannel) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_accept_channel(their_node_id, their_features, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_accept_channel(their_node_id, their_features, msg), *their_node_id);
}
fn handle_funding_created(&self, their_node_id: &PublicKey, msg: &msgs::FundingCreated) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_funding_created(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_funding_created(their_node_id, msg), *their_node_id);
}
fn handle_funding_signed(&self, their_node_id: &PublicKey, msg: &msgs::FundingSigned) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_funding_signed(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_funding_signed(their_node_id, msg), *their_node_id);
}
fn handle_funding_locked(&self, their_node_id: &PublicKey, msg: &msgs::FundingLocked) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_funding_locked(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_funding_locked(their_node_id, msg), *their_node_id);
}
fn handle_shutdown(&self, their_node_id: &PublicKey, msg: &msgs::Shutdown) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_shutdown(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_shutdown(their_node_id, msg), *their_node_id);
}
fn handle_closing_signed(&self, their_node_id: &PublicKey, msg: &msgs::ClosingSigned) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_closing_signed(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_closing_signed(their_node_id, msg), *their_node_id);
}
fn handle_update_add_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateAddHTLC) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_update_add_htlc(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_update_add_htlc(their_node_id, msg), *their_node_id);
}
fn handle_update_fulfill_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFulfillHTLC) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_update_fulfill_htlc(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_update_fulfill_htlc(their_node_id, msg), *their_node_id);
}
fn handle_update_fail_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailHTLC) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_update_fail_htlc(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_update_fail_htlc(their_node_id, msg), *their_node_id);
}
fn handle_update_fail_malformed_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailMalformedHTLC) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_update_fail_malformed_htlc(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_update_fail_malformed_htlc(their_node_id, msg), *their_node_id);
}
fn handle_commitment_signed(&self, their_node_id: &PublicKey, msg: &msgs::CommitmentSigned) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_commitment_signed(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_commitment_signed(their_node_id, msg), *their_node_id);
}
fn handle_revoke_and_ack(&self, their_node_id: &PublicKey, msg: &msgs::RevokeAndACK) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_revoke_and_ack(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_revoke_and_ack(their_node_id, msg), *their_node_id);
}
fn handle_update_fee(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFee) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_update_fee(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_update_fee(their_node_id, msg), *their_node_id);
}
fn handle_announcement_signatures(&self, their_node_id: &PublicKey, msg: &msgs::AnnouncementSignatures) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_announcement_signatures(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_announcement_signatures(their_node_id, msg), *their_node_id);
}
fn handle_channel_reestablish(&self, their_node_id: &PublicKey, msg: &msgs::ChannelReestablish) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_channel_reestablish(their_node_id, msg);
- if res.is_err() {
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
- }
+ let _ = handle_error!(self, self.internal_channel_reestablish(their_node_id, msg), *their_node_id);
}
fn peer_disconnected(&self, their_node_id: &PublicKey, no_connection_possible: bool) {
pub channel_monitors: &'a mut HashMap<OutPoint, &'a mut ChannelMonitor>,
}
+// Implement ReadableArgs for an Arc'd ChannelManager to make it a bit easier to work with the
+// SipmleArcChannelManager type:
+impl<'a, R : ::std::io::Read, ChanSigner: ChannelKeys + Readable<R>, M: Deref> ReadableArgs<R, ChannelManagerReadArgs<'a, ChanSigner, M>> for (Sha256dHash, Arc<ChannelManager<ChanSigner, M>>) where M::Target: ManyChannelMonitor {
+ fn read(reader: &mut R, args: ChannelManagerReadArgs<'a, ChanSigner, M>) -> Result<Self, DecodeError> {
+ let (blockhash, chan_manager) = <(Sha256dHash, ChannelManager<ChanSigner, M>)>::read(reader, args)?;
+ Ok((blockhash, Arc::new(chan_manager)))
+ }
+}
+
impl<'a, R : ::std::io::Read, ChanSigner: ChannelKeys + Readable<R>, M: Deref> ReadableArgs<R, ChannelManagerReadArgs<'a, ChanSigner, M>> for (Sha256dHash, ChannelManager<ChanSigner, M>) where M::Target: ManyChannelMonitor {
fn read(reader: &mut R, args: ChannelManagerReadArgs<'a, ChanSigner, M>) -> Result<Self, DecodeError> {
let _ver: u8 = Readable::read(reader)?;
projects / rust-lightning / blobdiff