if require_disconnected && self.is_connected {
return false
}
- self.channel_by_id.iter().filter(|(_, phase)| matches!(phase, ChannelPhase::Funded(_))).count() == 0
+ !self.channel_by_id.iter().any(|(_, phase)|
+ matches!(phase, ChannelPhase::Funded(_) | ChannelPhase::UnfundedOutboundV1(_))
+ )
&& self.monitor_update_blocked_actions.is_empty()
&& self.in_flight_monitor_updates.is_empty()
}
}
&mut chan.context
},
- // Unfunded channels will always be removed.
- ChannelPhase::UnfundedOutboundV1(chan) => {
- &mut chan.context
+ // We retain UnfundedOutboundV1 channel for some time in case
+ // peer unexpectedly disconnects, and intends to reconnect again.
+ ChannelPhase::UnfundedOutboundV1(_) => {
+ return true;
},
+ // Unfunded inbound channels will always be removed.
ChannelPhase::UnfundedInboundV1(chan) => {
&mut chan.context
},
let peer_state = &mut *peer_state_lock;
let pending_msg_events = &mut peer_state.pending_msg_events;
- peer_state.channel_by_id.iter_mut().filter_map(|(_, phase)|
- if let ChannelPhase::Funded(chan) = phase { Some(chan) } else { None }
- ).for_each(|chan| {
- let logger = WithChannelContext::from(&self.logger, &chan.context);
- pending_msg_events.push(events::MessageSendEvent::SendChannelReestablish {
- node_id: chan.context.get_counterparty_node_id(),
- msg: chan.get_channel_reestablish(&&logger),
- });
- });
+ for (_, phase) in peer_state.channel_by_id.iter_mut() {
+ match phase {
+ ChannelPhase::Funded(chan) => {
+ let logger = WithChannelContext::from(&self.logger, &chan.context);
+ pending_msg_events.push(events::MessageSendEvent::SendChannelReestablish {
+ node_id: chan.context.get_counterparty_node_id(),
+ msg: chan.get_channel_reestablish(&&logger),
+ });
+ }
+
+ ChannelPhase::UnfundedOutboundV1(chan) => {
+ pending_msg_events.push(events::MessageSendEvent::SendOpenChannel {
+ node_id: chan.context.get_counterparty_node_id(),
+ msg: chan.get_open_channel(self.chain_hash),
+ });
+ }
+
+ ChannelPhase::UnfundedInboundV1(_) => {
+ // Since unfunded inbound channel maps are cleared upon disconnecting a peer,
+ // they are not persisted and won't be recovered after a crash.
+ // Therefore, they shouldn't exist at this point.
+ debug_assert!(false);
+ }
+ }
+ }
}
return NotifyOption::SkipPersistHandleEvents;
#[test]
fn test_peer_disconnected_before_funding_broadcasted() {
// Test that channels are closed with `ClosureReason::DisconnectedPeer` if the peer disconnects
- // before the funding transaction has been broadcasted.
+ // before the funding transaction has been broadcasted, and doesn't reconnect back within time.
let chanmon_cfgs = create_chanmon_cfgs(2);
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 0);
}
- // Ensure that the channel is closed with `ClosureReason::DisconnectedPeer` when the peers are
- // disconnected before the funding transaction was broadcasted.
+ // The peers disconnect before the funding is broadcasted.
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id());
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());
- check_closed_event!(&nodes[0], 2, ClosureReason::DisconnectedPeer, true
+ // The time for peers to reconnect expires.
+ for _ in 0..UNFUNDED_CHANNEL_AGE_LIMIT_TICKS {
+ nodes[0].node.timer_tick_occurred();
+ }
+
+ // Ensure that the channel is closed with `ClosureReason::HolderForceClosed`
+ // when the peers are disconnected and do not reconnect before the funding
+ // transaction is broadcasted.
+ check_closed_event!(&nodes[0], 2, ClosureReason::HolderForceClosed, true
, [nodes[1].node.get_our_node_id()], 1000000);
check_closed_event!(&nodes[1], 1, ClosureReason::DisconnectedPeer, false
, [nodes[0].node.get_our_node_id()], 1000000);
}
#[test]
-fn test_disconnect_in_funding_batch() {
+fn test_close_in_funding_batch() {
+ // This test ensures that if one of the channels
+ // in the batch closes, the complete batch will close.
let chanmon_cfgs = create_chanmon_cfgs(3);
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
// The transaction should not have been broadcast before all channels are ready.
assert_eq!(nodes[0].tx_broadcaster.txn_broadcast().len(), 0);
- // The remaining peer in the batch disconnects.
- nodes[0].node.peer_disconnected(&nodes[2].node.get_our_node_id());
-
- // The channels in the batch will close immediately.
+ // Force-close the channel for which we've completed the initial monitor.
let funding_txo_1 = OutPoint { txid: tx.txid(), index: 0 };
let funding_txo_2 = OutPoint { txid: tx.txid(), index: 1 };
let channel_id_1 = ChannelId::v1_from_funding_outpoint(funding_txo_1);
let channel_id_2 = ChannelId::v1_from_funding_outpoint(funding_txo_2);
+
+ nodes[0].node.force_close_broadcasting_latest_txn(&channel_id_1, &nodes[1].node.get_our_node_id()).unwrap();
+
+ // The monitor should become closed.
+ check_added_monitors(&nodes[0], 1);
+ {
+ let mut monitor_updates = nodes[0].chain_monitor.monitor_updates.lock().unwrap();
+ let monitor_updates_1 = monitor_updates.get(&channel_id_1).unwrap();
+ assert_eq!(monitor_updates_1.len(), 1);
+ assert_eq!(monitor_updates_1[0].update_id, CLOSED_CHANNEL_UPDATE_ID);
+ }
+
+ let msg_events = nodes[0].node.get_and_clear_pending_msg_events();
+ match msg_events[0] {
+ MessageSendEvent::HandleError { .. } => (),
+ _ => panic!("Unexpected message."),
+ }
+
+ // We broadcast the commitment transaction as part of the force-close.
+ {
+ let broadcasted_txs = nodes[0].tx_broadcaster.txn_broadcast();
+ assert_eq!(broadcasted_txs.len(), 1);
+ assert!(broadcasted_txs[0].txid() != tx.txid());
+ assert_eq!(broadcasted_txs[0].input.len(), 1);
+ assert_eq!(broadcasted_txs[0].input[0].previous_output.txid, tx.txid());
+ }
+
+ // All channels in the batch should close immediately.
check_closed_events(&nodes[0], &[
ExpectedCloseEvent {
channel_id: Some(channel_id_1),
},
]);
- // The monitor should become closed.
- check_added_monitors(&nodes[0], 1);
- {
- let mut monitor_updates = nodes[0].chain_monitor.monitor_updates.lock().unwrap();
- let monitor_updates_1 = monitor_updates.get(&channel_id_1).unwrap();
- assert_eq!(monitor_updates_1.len(), 1);
- assert_eq!(monitor_updates_1[0].update_id, CLOSED_CHANNEL_UPDATE_ID);
- }
-
- // The funding transaction should not have been broadcast, and therefore, we don't need
- // to broadcast a force-close transaction for the closed monitor.
- assert_eq!(nodes[0].tx_broadcaster.txn_broadcast().len(), 0);
-
// Ensure the channels don't exist anymore.
assert!(nodes[0].node.list_channels().is_empty());
}
projects / rust-lightning / commitdiff