confirm_transaction(&nodes[0], &tx);
let events_1 = nodes[0].node.get_and_clear_pending_msg_events();
- let chan_id;
- assert_eq!(events_1.len(), 1);
- match events_1[0] {
- MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => {
- assert_eq!(*node_id, nodes[1].node.get_our_node_id());
- chan_id = msg.channel_id;
- },
- _ => panic!("Unexpected event"),
- }
+ assert!(events_1.is_empty());
reconnect_nodes(&nodes[0], &nodes[1], (false, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
confirm_transaction(&nodes[1], &tx);
let events_2 = nodes[1].node.get_and_clear_pending_msg_events();
- assert_eq!(events_2.len(), 2);
- let funding_locked = match events_2[0] {
+ assert!(events_2.is_empty());
+
+ nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+ let as_reestablish = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id());
+ nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
+ let bs_reestablish = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
+
+ // nodes[0] hasn't yet received a funding_locked, so it only sends that on reconnect.
+ nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reestablish);
+ let events_3 = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events_3.len(), 1);
+ let as_funding_locked = match events_3[0] {
+ MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => {
+ assert_eq!(*node_id, nodes[1].node.get_our_node_id());
+ msg.clone()
+ },
+ _ => panic!("Unexpected event {:?}", events_3[0]),
+ };
+
+ // nodes[1] received nodes[0]'s funding_locked on the first reconnect above, so it should send
+ // announcement_signatures as well as channel_update.
+ nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reestablish);
+ let events_4 = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events_4.len(), 3);
+ let chan_id;
+ let bs_funding_locked = match events_4[0] {
MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => {
assert_eq!(*node_id, nodes[0].node.get_our_node_id());
+ chan_id = msg.channel_id;
msg.clone()
},
- _ => panic!("Unexpected event"),
+ _ => panic!("Unexpected event {:?}", events_4[0]),
};
- let bs_announcement_sigs = match events_2[1] {
+ let bs_announcement_sigs = match events_4[1] {
MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => {
assert_eq!(*node_id, nodes[0].node.get_our_node_id());
msg.clone()
},
- _ => panic!("Unexpected event"),
+ _ => panic!("Unexpected event {:?}", events_4[1]),
};
+ match events_4[2] {
+ MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } => {
+ assert_eq!(*node_id, nodes[0].node.get_our_node_id());
+ },
+ _ => panic!("Unexpected event {:?}", events_4[2]),
+ }
- reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ // Re-deliver nodes[0]'s funding_locked, which nodes[1] can safely ignore. It currently
+ // generates a duplicative announcement_signatures
+ nodes[1].node.handle_funding_locked(&nodes[0].node.get_our_node_id(), &as_funding_locked);
+ let events_5 = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events_5.len(), 1);
+ match events_5[0] {
+ MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => {
+ assert_eq!(*node_id, nodes[0].node.get_our_node_id());
+ assert_eq!(*msg, bs_announcement_sigs);
+ },
+ _ => panic!("Unexpected event {:?}", events_5[0]),
+ };
- nodes[0].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &funding_locked);
- nodes[0].node.handle_announcement_signatures(&nodes[1].node.get_our_node_id(), &bs_announcement_sigs);
- let events_3 = nodes[0].node.get_and_clear_pending_msg_events();
- assert_eq!(events_3.len(), 2);
- let as_announcement_sigs = match events_3[0] {
+ // When we deliver nodes[1]'s funding_locked, however, nodes[0] will generate its
+ // announcement_signatures.
+ nodes[0].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &bs_funding_locked);
+ let events_6 = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events_6.len(), 1);
+ let as_announcement_sigs = match events_6[0] {
MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => {
assert_eq!(*node_id, nodes[1].node.get_our_node_id());
msg.clone()
},
- _ => panic!("Unexpected event"),
+ _ => panic!("Unexpected event {:?}", events_6[0]),
};
- let (as_announcement, as_update) = match events_3[1] {
+
+ // When we deliver nodes[1]'s announcement_signatures to nodes[0], nodes[0] should immediately
+ // broadcast the channel announcement globally, as well as re-send its (now-public)
+ // channel_update.
+ nodes[0].node.handle_announcement_signatures(&nodes[1].node.get_our_node_id(), &bs_announcement_sigs);
+ let events_7 = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events_7.len(), 1);
+ let (chan_announcement, as_update) = match events_7[0] {
MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
(msg.clone(), update_msg.clone())
},
- _ => panic!("Unexpected event"),
+ _ => panic!("Unexpected event {:?}", events_7[0]),
};
+ // Finally, deliver nodes[0]'s announcement_signatures to nodes[1] and make sure it creates the
+ // same channel_announcement.
nodes[1].node.handle_announcement_signatures(&nodes[0].node.get_our_node_id(), &as_announcement_sigs);
- let events_4 = nodes[1].node.get_and_clear_pending_msg_events();
- assert_eq!(events_4.len(), 1);
- let (_, bs_update) = match events_4[0] {
+ let events_8 = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events_8.len(), 1);
+ let bs_update = match events_8[0] {
MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
- (msg.clone(), update_msg.clone())
+ assert_eq!(*msg, chan_announcement);
+ update_msg.clone()
},
- _ => panic!("Unexpected event"),
+ _ => panic!("Unexpected event {:?}", events_8[0]),
};
- nodes[0].net_graph_msg_handler.handle_channel_announcement(&as_announcement).unwrap();
+ // Provide the channel announcement and public updates to the network graph
+ nodes[0].net_graph_msg_handler.handle_channel_announcement(&chan_announcement).unwrap();
nodes[0].net_graph_msg_handler.handle_channel_update(&bs_update).unwrap();
nodes[0].net_graph_msg_handler.handle_channel_update(&as_update).unwrap();
reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
- // as_announcement should be re-generated exactly by broadcast_node_announcement.
+ // The channel announcement should be re-generated exactly by broadcast_node_announcement.
nodes[0].node.broadcast_node_announcement([0, 0, 0], [0; 32], Vec::new());
let msgs = nodes[0].node.get_and_clear_pending_msg_events();
let mut found_announcement = false;
for event in msgs.iter() {
match event {
MessageSendEvent::BroadcastChannelAnnouncement { ref msg, .. } => {
- if *msg == as_announcement { found_announcement = true; }
+ if *msg == chan_announcement { found_announcement = true; }
},
MessageSendEvent::BroadcastNodeAnnouncement { .. } => {},
_ => panic!("Unexpected event"),
projects / rust-lightning / blobdiff