}
}
- fn internal_shutdown(&self, their_node_id: &PublicKey, msg: &msgs::Shutdown) -> Result<(Option<msgs::Shutdown>, Option<msgs::ClosingSigned>), MsgHandleErrInternal> {
- let (mut res, chan_option) = {
+ fn internal_shutdown(&self, their_node_id: &PublicKey, msg: &msgs::Shutdown) -> Result<(), MsgHandleErrInternal> {
+ let (mut dropped_htlcs, chan_option) = {
let mut channel_state_lock = self.channel_state.lock().unwrap();
let channel_state = channel_state_lock.borrow_parts();
//TODO: here and below MsgHandleErrInternal, #153 case
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- let res = chan_entry.get_mut().shutdown(&*self.fee_estimator, &msg).map_err(|e| MsgHandleErrInternal::from_maybe_close(e))?;
+ let (shutdown, closing_signed, dropped_htlcs) = chan_entry.get_mut().shutdown(&*self.fee_estimator, &msg).map_err(|e| MsgHandleErrInternal::from_maybe_close(e))?;
+ if let Some(msg) = shutdown {
+ channel_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
+ node_id: their_node_id.clone(),
+ msg,
+ });
+ }
+ if let Some(msg) = closing_signed {
+ channel_state.pending_msg_events.push(events::MessageSendEvent::SendClosingSigned {
+ node_id: their_node_id.clone(),
+ msg,
+ });
+ }
if chan_entry.get().is_shutdown() {
if let Some(short_id) = chan_entry.get().get_short_channel_id() {
channel_state.short_to_id.remove(&short_id);
}
- (res, Some(chan_entry.remove_entry().1))
- } else { (res, None) }
+ (dropped_htlcs, Some(chan_entry.remove_entry().1))
+ } else { (dropped_htlcs, None) }
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
}
};
- for htlc_source in res.2.drain(..) {
+ for htlc_source in dropped_htlcs.drain(..) {
// unknown_next_peer...I dunno who that is anymore....
self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), htlc_source.0, &htlc_source.1, HTLCFailReason::Reason { failure_code: 0x4000 | 10, data: Vec::new() });
}
});
}
}
- Ok((res.0, res.1))
+ Ok(())
}
- fn internal_closing_signed(&self, their_node_id: &PublicKey, msg: &msgs::ClosingSigned) -> Result<Option<msgs::ClosingSigned>, MsgHandleErrInternal> {
- let (res, chan_option) = {
+ fn internal_closing_signed(&self, their_node_id: &PublicKey, msg: &msgs::ClosingSigned) -> Result<(), MsgHandleErrInternal> {
+ let (tx, chan_option) = {
let mut channel_state_lock = self.channel_state.lock().unwrap();
let channel_state = channel_state_lock.borrow_parts();
match channel_state.by_id.entry(msg.channel_id.clone()) {
//TODO: here and below MsgHandleErrInternal, #153 case
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- let res = chan_entry.get_mut().closing_signed(&*self.fee_estimator, &msg).map_err(|e| MsgHandleErrInternal::from_maybe_close(e))?;
- if res.1.is_some() {
+ let (closing_signed, tx) = chan_entry.get_mut().closing_signed(&*self.fee_estimator, &msg).map_err(|e| MsgHandleErrInternal::from_maybe_close(e))?;
+ if let Some(msg) = closing_signed {
+ channel_state.pending_msg_events.push(events::MessageSendEvent::SendClosingSigned {
+ node_id: their_node_id.clone(),
+ msg,
+ });
+ }
+ if tx.is_some() {
// We're done with this channel, we've got a signed closing transaction and
// will send the closing_signed back to the remote peer upon return. This
// also implies there are no pending HTLCs left on the channel, so we can
if let Some(short_id) = chan_entry.get().get_short_channel_id() {
channel_state.short_to_id.remove(&short_id);
}
- (res, Some(chan_entry.remove_entry().1))
- } else { (res, None) }
+ (tx, Some(chan_entry.remove_entry().1))
+ } else { (tx, None) }
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
}
};
- if let Some(broadcast_tx) = res.1 {
+ if let Some(broadcast_tx) = tx {
self.tx_broadcaster.broadcast_transaction(&broadcast_tx);
}
if let Some(chan) = chan_option {
});
}
}
- Ok(res.0)
+ Ok(())
}
fn internal_update_add_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateAddHTLC) -> Result<(), MsgHandleErrInternal> {
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) -> Result<(Option<msgs::Shutdown>, Option<msgs::ClosingSigned>), HandleError> {
+ fn handle_shutdown(&self, their_node_id: &PublicKey, msg: &msgs::Shutdown) -> Result<(), HandleError> {
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) -> Result<Option<msgs::ClosingSigned>, HandleError> {
+ fn handle_closing_signed(&self, their_node_id: &PublicKey, msg: &msgs::ClosingSigned) -> Result<(), HandleError> {
handle_error!(self, self.internal_closing_signed(their_node_id, msg), their_node_id)
}
}
fn close_channel(outbound_node: &Node, inbound_node: &Node, channel_id: &[u8; 32], funding_tx: Transaction, close_inbound_first: bool) -> (msgs::ChannelUpdate, msgs::ChannelUpdate) {
- let (node_a, broadcaster_a) = if close_inbound_first { (&inbound_node.node, &inbound_node.tx_broadcaster) } else { (&outbound_node.node, &outbound_node.tx_broadcaster) };
+ let (node_a, broadcaster_a, struct_a) = if close_inbound_first { (&inbound_node.node, &inbound_node.tx_broadcaster, inbound_node) } else { (&outbound_node.node, &outbound_node.tx_broadcaster, outbound_node) };
let (node_b, broadcaster_b) = if close_inbound_first { (&outbound_node.node, &outbound_node.tx_broadcaster) } else { (&inbound_node.node, &inbound_node.tx_broadcaster) };
let (tx_a, tx_b);
node_a.close_channel(channel_id).unwrap();
- let events_1 = node_a.get_and_clear_pending_msg_events();
- assert_eq!(events_1.len(), 1);
- let shutdown_a = match events_1[0] {
+ node_b.handle_shutdown(&node_a.get_our_node_id(), &get_event_msg!(struct_a, MessageSendEvent::SendShutdown, node_b.get_our_node_id())).unwrap();
+
+ let events_1 = node_b.get_and_clear_pending_msg_events();
+ assert!(events_1.len() >= 1);
+ let shutdown_b = match events_1[0] {
MessageSendEvent::SendShutdown { ref node_id, ref msg } => {
- assert_eq!(node_id, &node_b.get_our_node_id());
+ assert_eq!(node_id, &node_a.get_our_node_id());
msg.clone()
},
_ => panic!("Unexpected event"),
};
- let (shutdown_b, mut closing_signed_b) = node_b.handle_shutdown(&node_a.get_our_node_id(), &shutdown_a).unwrap();
- if !close_inbound_first {
- assert!(closing_signed_b.is_none());
+ let closing_signed_b = if !close_inbound_first {
+ assert_eq!(events_1.len(), 1);
+ None
+ } else {
+ Some(match events_1[1] {
+ MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
+ assert_eq!(node_id, &node_a.get_our_node_id());
+ msg.clone()
+ },
+ _ => panic!("Unexpected event"),
+ })
+ };
+
+ macro_rules! get_closing_signed_broadcast {
+ ($node: expr, $dest_pubkey: expr) => {
+ {
+ let events = $node.get_and_clear_pending_msg_events();
+ assert!(events.len() == 1 || events.len() == 2);
+ (match events[events.len() - 1] {
+ MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
+ msg.clone()
+ },
+ _ => panic!("Unexpected event"),
+ }, if events.len() == 2 {
+ match events[0] {
+ MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
+ assert_eq!(*node_id, $dest_pubkey);
+ Some(msg.clone())
+ },
+ _ => panic!("Unexpected event"),
+ }
+ } else { None })
+ }
+ }
}
- let (empty_a, mut closing_signed_a) = node_a.handle_shutdown(&node_b.get_our_node_id(), &shutdown_b.unwrap()).unwrap();
- assert!(empty_a.is_none());
- if close_inbound_first {
- assert!(closing_signed_a.is_none());
- closing_signed_a = node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap()).unwrap();
+
+ node_a.handle_shutdown(&node_b.get_our_node_id(), &shutdown_b).unwrap();
+ let (as_update, bs_update) = if close_inbound_first {
+ assert!(node_a.get_and_clear_pending_msg_events().is_empty());
+ node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap()).unwrap();
assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
+ let (as_update, closing_signed_a) = get_closing_signed_broadcast!(node_a, node_b.get_our_node_id());
- let empty_b = node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a.unwrap()).unwrap();
- assert!(empty_b.is_none());
+ node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a.unwrap()).unwrap();
+ let (bs_update, none_b) = get_closing_signed_broadcast!(node_b, node_a.get_our_node_id());
+ assert!(none_b.is_none());
assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
+ (as_update, bs_update)
} else {
- closing_signed_b = node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a.unwrap()).unwrap();
+ let closing_signed_a = get_event_msg!(struct_a, MessageSendEvent::SendClosingSigned, node_b.get_our_node_id());
+
+ node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a).unwrap();
assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
+ let (bs_update, closing_signed_b) = get_closing_signed_broadcast!(node_b, node_a.get_our_node_id());
- let empty_a2 = node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap()).unwrap();
- assert!(empty_a2.is_none());
+ node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap()).unwrap();
+ let (as_update, none_a) = get_closing_signed_broadcast!(node_a, node_b.get_our_node_id());
+ assert!(none_a.is_none());
assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
- }
+ (as_update, bs_update)
+ };
assert_eq!(tx_a, tx_b);
check_spends!(tx_a, funding_tx);
- let events_2 = node_a.get_and_clear_pending_msg_events();
- assert_eq!(events_2.len(), 1);
- let as_update = match events_2[0] {
- MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
- msg.clone()
- },
- _ => panic!("Unexpected event"),
- };
-
- let events_3 = node_b.get_and_clear_pending_msg_events();
- assert_eq!(events_3.len(), 1);
- let bs_update = match events_3[0] {
- MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
- msg.clone()
- },
- _ => panic!("Unexpected event"),
- };
-
(as_update, bs_update)
}
projects / rust-lightning / commitdiff