use ln::msgs::ChannelMessageHandler;
use routing::router::{PaymentParameters, RouteParameters, find_route};
use util::errors::APIError;
- use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
+ use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, ClosureReason};
use util::test_utils;
use chain::keysinterface::KeysInterface;
// Check that using the original payment hash succeeds.
assert!(inbound_payment::verify(payment_hash, &payment_data, nodes[0].node.highest_seen_timestamp.load(Ordering::Acquire) as u64, &nodes[0].node.inbound_payment_key, &nodes[0].logger).is_ok());
}
+
+ #[test]
+ fn test_id_to_peer_coverage() {
+ // Test that the `ChannelManager:id_to_peer` contains channels which have been assigned
+ // a `channel_id` (i.e. have had the funding tx created), and that they are removed once
+ // the channel is successfully closed.
+ 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]);
+ let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 1_000_000, 500_000_000, 42, None).unwrap();
+ let open_channel = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &open_channel);
+ let accept_channel = get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &accept_channel);
+
+ let (temporary_channel_id, tx, _funding_output) = create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 1_000_000, 42);
+ let channel_id = &tx.txid().into_inner();
+ {
+ // Ensure that the `id_to_peer` map is empty until either party has received the
+ // funding transaction, and have the real `channel_id`.
+ assert_eq!(nodes[0].node.id_to_peer.lock().unwrap().len(), 0);
+ assert_eq!(nodes[1].node.id_to_peer.lock().unwrap().len(), 0);
+ }
+
+ nodes[0].node.funding_transaction_generated(&temporary_channel_id, &nodes[1].node.get_our_node_id(), tx.clone()).unwrap();
+ {
+ // Assert that `nodes[0]`'s `id_to_peer` map is populated with the channel as soon as
+ // as it has the funding transaction.
+ let nodes_0_lock = nodes[0].node.id_to_peer.lock().unwrap();
+ assert_eq!(nodes_0_lock.len(), 1);
+ assert!(nodes_0_lock.contains_key(channel_id));
+
+ assert_eq!(nodes[1].node.id_to_peer.lock().unwrap().len(), 0);
+ }
+
+ let funding_created_msg = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id());
+
+ nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &funding_created_msg);
+ {
+ let nodes_0_lock = nodes[0].node.id_to_peer.lock().unwrap();
+ assert_eq!(nodes_0_lock.len(), 1);
+ assert!(nodes_0_lock.contains_key(channel_id));
+
+ // Assert that `nodes[1]`'s `id_to_peer` map is populated with the channel as soon as
+ // as it has the funding transaction.
+ let nodes_1_lock = nodes[1].node.id_to_peer.lock().unwrap();
+ assert_eq!(nodes_1_lock.len(), 1);
+ assert!(nodes_1_lock.contains_key(channel_id));
+ }
+ check_added_monitors!(nodes[1], 1);
+ let funding_signed = get_event_msg!(nodes[1], MessageSendEvent::SendFundingSigned, nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_funding_signed(&nodes[1].node.get_our_node_id(), &funding_signed);
+ check_added_monitors!(nodes[0], 1);
+ let (channel_ready, _) = create_chan_between_nodes_with_value_confirm(&nodes[0], &nodes[1], &tx);
+ let (announcement, nodes_0_update, nodes_1_update) = create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &channel_ready);
+ update_nodes_with_chan_announce(&nodes, 0, 1, &announcement, &nodes_0_update, &nodes_1_update);
+
+ nodes[0].node.close_channel(channel_id, &nodes[1].node.get_our_node_id()).unwrap();
+ nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id()));
+ let nodes_1_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &nodes_1_shutdown);
+
+ let closing_signed_node_0 = get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &closing_signed_node_0);
+ {
+ // Assert that the channel is kept in the `id_to_peer` map for both nodes until the
+ // channel can be fully closed by both parties (i.e. no outstanding htlcs exists, the
+ // fee for the closing transaction has been negotiated and the parties has the other
+ // party's signature for the fee negotiated closing transaction.)
+ let nodes_0_lock = nodes[0].node.id_to_peer.lock().unwrap();
+ assert_eq!(nodes_0_lock.len(), 1);
+ assert!(nodes_0_lock.contains_key(channel_id));
+
+ // At this stage, `nodes[1]` has proposed a fee for the closing transaction in the
+ // `handle_closing_signed` call above. As `nodes[1]` has not yet received the signature
+ // from `nodes[0]` for the closing transaction with the proposed fee, the channel is
+ // kept in the `nodes[1]`'s `id_to_peer` map.
+ let nodes_1_lock = nodes[1].node.id_to_peer.lock().unwrap();
+ assert_eq!(nodes_1_lock.len(), 1);
+ assert!(nodes_1_lock.contains_key(channel_id));
+ }
+
+ nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id()));
+ {
+ // `nodes[0]` accepts `nodes[1]`'s proposed fee for the closing transaction, and
+ // therefore has all it needs to fully close the channel (both signatures for the
+ // closing transaction).
+ // Assert that the channel is removed from `nodes[0]`'s `id_to_peer` map as it can be
+ // fully closed by `nodes[0]`.
+ assert_eq!(nodes[0].node.id_to_peer.lock().unwrap().len(), 0);
+
+ // Assert that the channel is still in `nodes[1]`'s `id_to_peer` map, as `nodes[1]`
+ // doesn't have `nodes[0]`'s signature for the closing transaction yet.
+ let nodes_1_lock = nodes[1].node.id_to_peer.lock().unwrap();
+ assert_eq!(nodes_1_lock.len(), 1);
+ assert!(nodes_1_lock.contains_key(channel_id));
+ }
+
+ let (_nodes_0_update, closing_signed_node_0) = get_closing_signed_broadcast!(nodes[0].node, nodes[1].node.get_our_node_id());
+
+ nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &closing_signed_node_0.unwrap());
+ {
+ // Assert that the channel has now been removed from both parties `id_to_peer` map once
+ // they both have everything required to fully close the channel.
+ assert_eq!(nodes[1].node.id_to_peer.lock().unwrap().len(), 0);
+ }
+ let (_nodes_1_update, _none) = get_closing_signed_broadcast!(nodes[1].node, nodes[0].node.get_our_node_id());
+
+ check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure);
+ check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure);
+ }
}
#[cfg(all(any(test, feature = "_test_utils"), feature = "_bench_unstable"))]
projects / rust-lightning / commitdiff