+ nodes[0].node.close_channel(&ChannelId::v1_from_funding_outpoint(OutPoint { txid: tx.txid(), index: 0 }), &nodes[1].node.get_our_node_id()).unwrap();
+ let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
+ let node_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(), &node_1_shutdown);
+
+ let node_0_closing_signed = 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(), &node_0_closing_signed);
+ let node_1_closing_signed = get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &node_1_closing_signed);
+ let (_, node_0_2nd_closing_signed) = 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(), &node_0_2nd_closing_signed.unwrap());
+ let (_, node_1_none) = get_closing_signed_broadcast!(nodes[1].node, nodes[0].node.get_our_node_id());
+ assert!(node_1_none.is_none());
+
+ assert!(nodes[0].node.list_channels().is_empty());
+ assert!(nodes[1].node.list_channels().is_empty());
+ check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 8000000);
+ check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 8000000);
+}
+
+#[test]
+fn expect_channel_shutdown_state() {
+ // Test sending a shutdown prior to channel_ready after funding generation
+ 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);
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::NotShuttingDown);
+
+ nodes[0].node.close_channel(&chan_1.2, &nodes[1].node.get_our_node_id()).unwrap();
+
+ expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ShutdownInitiated);
+ expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NotShuttingDown);
+
+ let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
+
+ // node1 goes into NegotiatingClosingFee since there are no HTLCs in flight, note that it
+ // doesnt mean that node1 has sent/recved its closing signed message
+ expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ShutdownInitiated);
+ expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NegotiatingClosingFee);
+
+ let node_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(), &node_1_shutdown);
+
+ expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::NegotiatingClosingFee);
+ expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NegotiatingClosingFee);
+
+ let node_0_closing_signed = 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(), &node_0_closing_signed);
+ let node_1_closing_signed = get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &node_1_closing_signed);
+ let (_, node_0_2nd_closing_signed) = 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(), &node_0_2nd_closing_signed.unwrap());
+ let (_, node_1_none) = get_closing_signed_broadcast!(nodes[1].node, nodes[0].node.get_our_node_id());
+ assert!(node_1_none.is_none());
+
+ assert!(nodes[0].node.list_channels().is_empty());
+ assert!(nodes[1].node.list_channels().is_empty());
+ check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+ check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
+}
+
+#[test]
+fn expect_channel_shutdown_state_with_htlc() {
+ // Test sending a shutdown with outstanding updates pending.
+ 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]);
+ let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+ let _chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2);
+
+ let (payment_preimage_0, payment_hash_0, ..) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 100_000);
+
+ expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::NotShuttingDown);
+ expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NotShuttingDown);
+
+ nodes[0].node.close_channel(&chan_1.2, &nodes[1].node.get_our_node_id()).unwrap();
+
+ expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ShutdownInitiated);
+ expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NotShuttingDown);
+
+ let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
+
+ expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ShutdownInitiated);
+ expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::ResolvingHTLCs);
+
+ let node_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(), &node_1_shutdown);
+
+ expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ResolvingHTLCs);
+ expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::ResolvingHTLCs);
+
+ assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+
+ // Claim Funds on Node2
+ nodes[2].node.claim_funds(payment_preimage_0);
+ check_added_monitors!(nodes[2], 1);
+ expect_payment_claimed!(nodes[2], payment_hash_0, 100_000);
+
+ // Fulfil HTLCs on node1 and node0
+ let updates = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
+ assert!(updates.update_add_htlcs.is_empty());
+ assert!(updates.update_fail_htlcs.is_empty());
+ assert!(updates.update_fail_malformed_htlcs.is_empty());
+ assert!(updates.update_fee.is_none());
+ assert_eq!(updates.update_fulfill_htlcs.len(), 1);
+ nodes[1].node.handle_update_fulfill_htlc(&nodes[2].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
+ expect_payment_forwarded!(nodes[1], nodes[0], nodes[2], Some(1000), false, false);
+ check_added_monitors!(nodes[1], 1);
+ let updates_2 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ commitment_signed_dance!(nodes[1], nodes[2], updates.commitment_signed, false);
+
+ // Still in "resolvingHTLCs" on chan1 after htlc removed on chan2
+ expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ResolvingHTLCs);
+ expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::ResolvingHTLCs);
+
+ assert!(updates_2.update_add_htlcs.is_empty());
+ assert!(updates_2.update_fail_htlcs.is_empty());
+ assert!(updates_2.update_fail_malformed_htlcs.is_empty());
+ assert!(updates_2.update_fee.is_none());
+ assert_eq!(updates_2.update_fulfill_htlcs.len(), 1);
+ nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &updates_2.update_fulfill_htlcs[0]);
+ commitment_signed_dance!(nodes[0], nodes[1], updates_2.commitment_signed, false, true);
+ expect_payment_sent!(nodes[0], payment_preimage_0);
+
+ // all htlcs removed, chan1 advances to NegotiatingClosingFee
+ expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::NegotiatingClosingFee);
+ expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NegotiatingClosingFee);
+
+ // ClosingSignNegotion process
+ let node_0_closing_signed = 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(), &node_0_closing_signed);
+ let node_1_closing_signed = get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &node_1_closing_signed);
+ let (_, node_0_2nd_closing_signed) = 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(), &node_0_2nd_closing_signed.unwrap());
+ let (_, node_1_none) = get_closing_signed_broadcast!(nodes[1].node, nodes[0].node.get_our_node_id());
+ assert!(node_1_none.is_none());
+ check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+ check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
+
+ // Shutdown basically removes the channelDetails, testing of shutdowncomplete state unnecessary
+ assert!(nodes[0].node.list_channels().is_empty());
+}
+
+#[test]
+fn test_lnd_bug_6039() {
+ // LND sends a nonsense error message any time it gets a shutdown if there are still HTLCs
+ // pending. We currently swallow that error to work around LND's bug #6039. This test emulates
+ // the LND nonsense and ensures we at least kinda handle it.
+ 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 mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ let (payment_preimage, ..) = route_payment(&nodes[0], &[&nodes[1]], 100_000);
+
+ nodes[0].node.close_channel(&chan.2, &nodes[1].node.get_our_node_id()).unwrap();