// happening and return an error. N.B. that we create channel with an outbound SCID of zero so
// that we can delay allocating the SCID until after we're sure that the checks below will
// succeed.
- let mut channel = match peer_state.inbound_channel_request_by_id.remove(temporary_channel_id) {
+ let res = match peer_state.inbound_channel_request_by_id.remove(temporary_channel_id) {
Some(unaccepted_channel) => {
let best_block_height = self.best_block.read().unwrap().height;
InboundV1Channel::new(&self.fee_estimator, &self.entropy_source, &self.signer_provider,
counterparty_node_id.clone(), &self.channel_type_features(), &peer_state.latest_features,
&unaccepted_channel.open_channel_msg, user_channel_id, &self.default_configuration, best_block_height,
- &self.logger, accept_0conf).map_err(|e| {
- let err_str = e.to_string();
- log_error!(logger, "{}", err_str);
-
- APIError::ChannelUnavailable { err: err_str }
- })
- }
+ &self.logger, accept_0conf).map_err(|err| MsgHandleErrInternal::from_chan_no_close(err, *temporary_channel_id))
+ },
_ => {
let err_str = "No such channel awaiting to be accepted.".to_owned();
log_error!(logger, "{}", err_str);
- Err(APIError::APIMisuseError { err: err_str })
+ return Err(APIError::APIMisuseError { err: err_str });
}
- }?;
+ };
- if accept_0conf {
- // This should have been correctly configured by the call to InboundV1Channel::new.
- debug_assert!(channel.context.minimum_depth().unwrap() == 0);
- } else if channel.context.get_channel_type().requires_zero_conf() {
- let send_msg_err_event = events::MessageSendEvent::HandleError {
- node_id: channel.context.get_counterparty_node_id(),
- action: msgs::ErrorAction::SendErrorMessage{
- msg: msgs::ErrorMessage { channel_id: temporary_channel_id.clone(), data: "No zero confirmation channels accepted".to_owned(), }
+ match res {
+ Err(err) => {
+ mem::drop(peer_state_lock);
+ mem::drop(per_peer_state);
+ match handle_error!(self, Result::<(), MsgHandleErrInternal>::Err(err), *counterparty_node_id) {
+ Ok(_) => unreachable!("`handle_error` only returns Err as we've passed in an Err"),
+ Err(e) => {
+ return Err(APIError::ChannelUnavailable { err: e.err });
+ },
}
- };
- peer_state.pending_msg_events.push(send_msg_err_event);
- let err_str = "Please use accept_inbound_channel_from_trusted_peer_0conf to accept channels with zero confirmations.".to_owned();
- log_error!(logger, "{}", err_str);
+ }
+ Ok(mut channel) => {
+ if accept_0conf {
+ // This should have been correctly configured by the call to InboundV1Channel::new.
+ debug_assert!(channel.context.minimum_depth().unwrap() == 0);
+ } else if channel.context.get_channel_type().requires_zero_conf() {
+ let send_msg_err_event = events::MessageSendEvent::HandleError {
+ node_id: channel.context.get_counterparty_node_id(),
+ action: msgs::ErrorAction::SendErrorMessage{
+ msg: msgs::ErrorMessage { channel_id: temporary_channel_id.clone(), data: "No zero confirmation channels accepted".to_owned(), }
+ }
+ };
+ peer_state.pending_msg_events.push(send_msg_err_event);
+ let err_str = "Please use accept_inbound_channel_from_trusted_peer_0conf to accept channels with zero confirmations.".to_owned();
+ log_error!(logger, "{}", err_str);
- return Err(APIError::APIMisuseError { err: err_str });
- } else {
- // If this peer already has some channels, a new channel won't increase our number of peers
- // with unfunded channels, so as long as we aren't over the maximum number of unfunded
- // channels per-peer we can accept channels from a peer with existing ones.
- if is_only_peer_channel && peers_without_funded_channels >= MAX_UNFUNDED_CHANNEL_PEERS {
- let send_msg_err_event = events::MessageSendEvent::HandleError {
- node_id: channel.context.get_counterparty_node_id(),
- action: msgs::ErrorAction::SendErrorMessage{
- msg: msgs::ErrorMessage { channel_id: temporary_channel_id.clone(), data: "Have too many peers with unfunded channels, not accepting new ones".to_owned(), }
- }
- };
- peer_state.pending_msg_events.push(send_msg_err_event);
- let err_str = "Too many peers with unfunded channels, refusing to accept new ones".to_owned();
- log_error!(logger, "{}", err_str);
+ return Err(APIError::APIMisuseError { err: err_str });
+ } else {
+ // If this peer already has some channels, a new channel won't increase our number of peers
+ // with unfunded channels, so as long as we aren't over the maximum number of unfunded
+ // channels per-peer we can accept channels from a peer with existing ones.
+ if is_only_peer_channel && peers_without_funded_channels >= MAX_UNFUNDED_CHANNEL_PEERS {
+ let send_msg_err_event = events::MessageSendEvent::HandleError {
+ node_id: channel.context.get_counterparty_node_id(),
+ action: msgs::ErrorAction::SendErrorMessage{
+ msg: msgs::ErrorMessage { channel_id: temporary_channel_id.clone(), data: "Have too many peers with unfunded channels, not accepting new ones".to_owned(), }
+ }
+ };
+ peer_state.pending_msg_events.push(send_msg_err_event);
+ let err_str = "Too many peers with unfunded channels, refusing to accept new ones".to_owned();
+ log_error!(logger, "{}", err_str);
- return Err(APIError::APIMisuseError { err: err_str });
- }
- }
+ return Err(APIError::APIMisuseError { err: err_str });
+ }
+ }
- // Now that we know we have a channel, assign an outbound SCID alias.
- let outbound_scid_alias = self.create_and_insert_outbound_scid_alias();
- channel.context.set_outbound_scid_alias(outbound_scid_alias);
+ // Now that we know we have a channel, assign an outbound SCID alias.
+ let outbound_scid_alias = self.create_and_insert_outbound_scid_alias();
+ channel.context.set_outbound_scid_alias(outbound_scid_alias);
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendAcceptChannel {
- node_id: channel.context.get_counterparty_node_id(),
- msg: channel.accept_inbound_channel(),
- });
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendAcceptChannel {
+ node_id: channel.context.get_counterparty_node_id(),
+ msg: channel.accept_inbound_channel(),
+ });
- peer_state.channel_by_id.insert(temporary_channel_id.clone(), ChannelPhase::UnfundedInboundV1(channel));
+ peer_state.channel_by_id.insert(temporary_channel_id.clone(), ChannelPhase::UnfundedInboundV1(channel));
- Ok(())
+ Ok(())
+ },
+ }
}
/// Gets the number of peers which match the given filter and do not have any funded, outbound,
projects / rust-lightning / commitdiff