/// required to access the channel with the `counterparty_node_id`.
///
/// See `ChannelManager` struct-level documentation for lock order requirements.
+ #[cfg(not(test))]
outpoint_to_peer: Mutex<HashMap<OutPoint, PublicKey>>,
+ #[cfg(test)]
+ pub(crate) outpoint_to_peer: Mutex<HashMap<OutPoint, PublicKey>>,
/// SCIDs (and outbound SCID aliases) -> `counterparty_node_id`s and `channel_id`s.
///
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- let (chan, funding_msg_opt, monitor) =
+ let (mut chan, funding_msg_opt, monitor) =
match peer_state.channel_by_id.remove(&msg.temporary_channel_id) {
Some(ChannelPhase::UnfundedInboundV1(inbound_chan)) => {
let logger = WithChannelContext::from(&self.logger, &inbound_chan.context);
match inbound_chan.funding_created(msg, best_block, &self.signer_provider, &&logger) {
Ok(res) => res,
- Err((mut inbound_chan, err)) => {
+ Err((inbound_chan, err)) => {
// We've already removed this inbound 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.
- update_maps_on_chan_removal!(self, &inbound_chan.context);
- let user_id = inbound_chan.context.get_user_id();
- let shutdown_res = inbound_chan.context.force_shutdown(false);
- return Err(MsgHandleErrInternal::from_finish_shutdown(format!("{}", err),
- msg.temporary_channel_id, user_id, shutdown_res, None, inbound_chan.context.get_value_satoshis()));
+ debug_assert!(matches!(err, ChannelError::Close(_)));
+ // Really we should be returning the channel_id the peer expects based
+ // on their funding info here, but they're horribly confused anyway, so
+ // there's not a lot we can do to save them.
+ return Err(convert_chan_phase_err!(self, err, &mut ChannelPhase::UnfundedInboundV1(inbound_chan), &msg.temporary_channel_id).1);
},
}
},
- Some(ChannelPhase::Funded(_)) | Some(ChannelPhase::UnfundedOutboundV1(_)) => {
- return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got an unexpected funding_created message from peer with counterparty_node_id {}", counterparty_node_id), msg.temporary_channel_id));
+ Some(mut phase) => {
+ let err_msg = format!("Got an unexpected funding_created message from peer with counterparty_node_id {}", counterparty_node_id);
+ let err = ChannelError::Close(err_msg);
+ return Err(convert_chan_phase_err!(self, err, &mut phase, &msg.temporary_channel_id).1);
},
None => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.temporary_channel_id))
};
- match peer_state.channel_by_id.entry(chan.context.channel_id()) {
+ let funded_channel_id = chan.context.channel_id();
+
+ macro_rules! fail_chan { ($err: expr) => { {
+ // Note that at this point we've filled in the funding outpoint on our
+ // channel, but its actually in conflict with another channel. Thus, if
+ // we call `convert_chan_phase_err` immediately (thus calling
+ // `update_maps_on_chan_removal`), we'll remove the existing channel
+ // from `outpoint_to_peer`. Thus, we must first unset the funding outpoint
+ // on the channel.
+ let err = ChannelError::Close($err.to_owned());
+ chan.unset_funding_info(msg.temporary_channel_id);
+ return Err(convert_chan_phase_err!(self, err, chan, &funded_channel_id, UNFUNDED_CHANNEL).1);
+ } } }
+
+ match peer_state.channel_by_id.entry(funded_channel_id) {
hash_map::Entry::Occupied(_) => {
- Err(MsgHandleErrInternal::send_err_msg_no_close(
- "Already had channel with the new channel_id".to_owned(),
- chan.context.channel_id()
- ))
+ fail_chan!("Already had channel with the new channel_id");
},
hash_map::Entry::Vacant(e) => {
let mut outpoint_to_peer_lock = self.outpoint_to_peer.lock().unwrap();
match outpoint_to_peer_lock.entry(monitor.get_funding_txo().0) {
hash_map::Entry::Occupied(_) => {
- return Err(MsgHandleErrInternal::send_err_msg_no_close(
- "The funding_created message had the same funding_txid as an existing channel - funding is not possible".to_owned(),
- chan.context.channel_id()))
+ fail_chan!("The funding_created message had the same funding_txid as an existing channel - funding is not possible");
},
hash_map::Entry::Vacant(i_e) => {
let monitor_res = self.chain_monitor.watch_channel(monitor.get_funding_txo().0, monitor);
} else {
let logger = WithChannelContext::from(&self.logger, &chan.context);
log_error!(logger, "Persisting initial ChannelMonitor failed, implying the funding outpoint was duplicated");
- let channel_id = match funding_msg_opt {
- Some(msg) => msg.channel_id,
- None => chan.context.channel_id(),
- };
- return Err(MsgHandleErrInternal::send_err_msg_no_close(
- "The funding_created message had the same funding_txid as an existing channel - funding is not possible".to_owned(),
- channel_id));
+ fail_chan!("Duplicate funding outpoint");
}
}
}
projects / rust-lightning / blobdiff