Test ChannelManager::accept_inbound_channel errors

diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs
index c5ea582b27f81a95abd50bc760e26b8f30e363e5..92ddc01de3ea5cefcaaaa7992d52cb4417ecd327 100644 (file)
--- a/lightning/src/ln/functional_tests.rs
+++ b/lightning/src/ln/functional_tests.rs
@@ -10983,3 +10983,36 @@ fn test_funding_and_commitment_tx_confirm_same_block() {
        do_test_funding_and_commitment_tx_confirm_same_block(false);
        do_test_funding_and_commitment_tx_confirm_same_block(true);
 }
+
+#[test]
+fn test_accept_inbound_channel_errors_queued() {
+       // For manually accepted inbound channels, tests that a close error is correctly handled
+       // and the channel fails for the initiator.
+       let mut config0 = test_default_channel_config();
+       let mut config1 = config0.clone();
+       config1.channel_handshake_limits.their_to_self_delay = 1000;
+       config1.manually_accept_inbound_channels = true;
+       config0.channel_handshake_config.our_to_self_delay = 2000;
+
+       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, &[Some(config0), Some(config1)]);
+       let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+       nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, 0, 42, None, None).unwrap();
+       let open_channel_msg = 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(), &open_channel_msg);
+       let events = nodes[1].node.get_and_clear_pending_events();
+       match events[0] {
+               Event::OpenChannelRequest { temporary_channel_id, .. } => {
+                       match nodes[1].node.accept_inbound_channel(&temporary_channel_id, &nodes[0].node.get_our_node_id(), 23) {
+                               Err(APIError::ChannelUnavailable { err: _ }) => (),
+                               _ => panic!(),
+                       }
+               }
+               _ => panic!("Unexpected event"),
+       }
+       assert_eq!(get_err_msg(&nodes[1], &nodes[0].node.get_our_node_id()).channel_id,
+               open_channel_msg.common_fields.temporary_channel_id);
+}