-#[test]
-fn test_priv_forwarding_rejection() {
- // If we have a private channel with outbound liquidity, and
- // UserConfig::accept_forwards_to_priv_channels is set to false, we should reject any attempts
- // to forward through that channel.
- let chanmon_cfgs = create_chanmon_cfgs(3);
- let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
- let mut no_announce_cfg = test_default_channel_config();
- no_announce_cfg.channel_options.announced_channel = false;
- no_announce_cfg.accept_forwards_to_priv_channels = false;
- let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, Some(no_announce_cfg), None]);
- let persister: test_utils::TestPersister;
- let new_chain_monitor: test_utils::TestChainMonitor;
- let nodes_1_deserialized: ChannelManager<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>;
- let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
-
- let chan_id_1 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 500_000_000, InitFeatures::known(), InitFeatures::known()).2;
-
- // Note that the create_*_chan functions in utils requires announcement_signatures, which we do
- // not send for private channels.
- nodes[1].node.create_channel(nodes[2].node.get_our_node_id(), 1_000_000, 500_000_000, 42, None).unwrap();
- let open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[2].node.get_our_node_id());
- nodes[2].node.handle_open_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel);
- let accept_channel = get_event_msg!(nodes[2], MessageSendEvent::SendAcceptChannel, nodes[1].node.get_our_node_id());
- nodes[1].node.handle_accept_channel(&nodes[2].node.get_our_node_id(), InitFeatures::known(), &accept_channel);
-
- let (temporary_channel_id, tx, _) = create_funding_transaction(&nodes[1], 1_000_000, 42);
- nodes[1].node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap();
- nodes[2].node.handle_funding_created(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendFundingCreated, nodes[2].node.get_our_node_id()));
- check_added_monitors!(nodes[2], 1);
-
- let cs_funding_signed = get_event_msg!(nodes[2], MessageSendEvent::SendFundingSigned, nodes[1].node.get_our_node_id());
- nodes[1].node.handle_funding_signed(&nodes[2].node.get_our_node_id(), &cs_funding_signed);
- check_added_monitors!(nodes[1], 1);
-
- let conf_height = core::cmp::max(nodes[1].best_block_info().1 + 1, nodes[2].best_block_info().1 + 1);
- confirm_transaction_at(&nodes[1], &tx, conf_height);
- connect_blocks(&nodes[1], CHAN_CONFIRM_DEPTH - 1);
- confirm_transaction_at(&nodes[2], &tx, conf_height);
- connect_blocks(&nodes[2], CHAN_CONFIRM_DEPTH - 1);
- let as_funding_locked = get_event_msg!(nodes[1], MessageSendEvent::SendFundingLocked, nodes[2].node.get_our_node_id());
- nodes[1].node.handle_funding_locked(&nodes[2].node.get_our_node_id(), &get_event_msg!(nodes[2], MessageSendEvent::SendFundingLocked, nodes[1].node.get_our_node_id()));
- get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[2].node.get_our_node_id());
- nodes[2].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &as_funding_locked);
- get_event_msg!(nodes[2], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id());
-
- assert!(nodes[0].node.list_usable_channels()[0].is_public);
- assert_eq!(nodes[1].node.list_usable_channels().len(), 2);
- assert!(!nodes[2].node.list_usable_channels()[0].is_public);
-
- // We should always be able to forward through nodes[1] as long as its out through a public
- // channel:
- send_payment(&nodes[2], &[&nodes[1], &nodes[0]], 10_000);
-
- // ... however, if we send to nodes[2], we will have to pass the private channel from nodes[1]
- // to nodes[2], which should be rejected:
- let route_hint = RouteHint(vec![RouteHintHop {
- src_node_id: nodes[1].node.get_our_node_id(),
- short_channel_id: nodes[2].node.list_channels()[0].short_channel_id.unwrap(),
- fees: RoutingFees { base_msat: 1000, proportional_millionths: 0 },
- cltv_expiry_delta: MIN_CLTV_EXPIRY_DELTA,
- htlc_minimum_msat: None,
- htlc_maximum_msat: None,
- }]);
- let last_hops = vec![route_hint];
- let (route, our_payment_hash, our_payment_preimage, our_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], last_hops, 10_000, TEST_FINAL_CLTV);
-
- nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)).unwrap();
- check_added_monitors!(nodes[0], 1);
- let payment_event = SendEvent::from_event(nodes[0].node.get_and_clear_pending_msg_events().remove(0));
- nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
- commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false, true);
-
- let htlc_fail_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
- assert!(htlc_fail_updates.update_add_htlcs.is_empty());
- assert_eq!(htlc_fail_updates.update_fail_htlcs.len(), 1);
- assert!(htlc_fail_updates.update_fail_malformed_htlcs.is_empty());
- assert!(htlc_fail_updates.update_fee.is_none());
-
- nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &htlc_fail_updates.update_fail_htlcs[0]);
- commitment_signed_dance!(nodes[0], nodes[1], htlc_fail_updates.commitment_signed, true, true);
- expect_payment_failed_with_update!(nodes[0], our_payment_hash, false, nodes[2].node.list_channels()[0].short_channel_id.unwrap(), true);
-
- // Now disconnect nodes[1] from its peers and restart with accept_forwards_to_priv_channels set
- // to true. Sadly there is currently no way to change it at runtime.
-
- nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
- nodes[2].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
-
- let nodes_1_serialized = nodes[1].node.encode();
- let mut monitor_a_serialized = test_utils::TestVecWriter(Vec::new());
- let mut monitor_b_serialized = test_utils::TestVecWriter(Vec::new());
- get_monitor!(nodes[1], chan_id_1).write(&mut monitor_a_serialized).unwrap();
- get_monitor!(nodes[1], cs_funding_signed.channel_id).write(&mut monitor_b_serialized).unwrap();
-
- persister = test_utils::TestPersister::new();
- let keys_manager = &chanmon_cfgs[1].keys_manager;
- new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[1].chain_source), nodes[1].tx_broadcaster.clone(), nodes[1].logger, node_cfgs[1].fee_estimator, &persister, keys_manager);
- nodes[1].chain_monitor = &new_chain_monitor;
-
- let mut monitor_a_read = &monitor_a_serialized.0[..];
- let mut monitor_b_read = &monitor_b_serialized.0[..];
- let (_, mut monitor_a) = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(&mut monitor_a_read, keys_manager).unwrap();
- let (_, mut monitor_b) = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(&mut monitor_b_read, keys_manager).unwrap();
- assert!(monitor_a_read.is_empty());
- assert!(monitor_b_read.is_empty());
-
- no_announce_cfg.accept_forwards_to_priv_channels = true;
-
- let mut nodes_1_read = &nodes_1_serialized[..];
- let (_, nodes_1_deserialized_tmp) = {
- let mut channel_monitors = HashMap::new();
- channel_monitors.insert(monitor_a.get_funding_txo().0, &mut monitor_a);
- channel_monitors.insert(monitor_b.get_funding_txo().0, &mut monitor_b);
- <(BlockHash, ChannelManager<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_1_read, ChannelManagerReadArgs {
- default_config: no_announce_cfg,
- keys_manager,
- fee_estimator: node_cfgs[1].fee_estimator,
- chain_monitor: nodes[1].chain_monitor,
- tx_broadcaster: nodes[1].tx_broadcaster.clone(),
- logger: nodes[1].logger,
- channel_monitors,
- }).unwrap()
- };
- assert!(nodes_1_read.is_empty());
- nodes_1_deserialized = nodes_1_deserialized_tmp;
-
- assert!(nodes[1].chain_monitor.watch_channel(monitor_a.get_funding_txo().0, monitor_a).is_ok());
- assert!(nodes[1].chain_monitor.watch_channel(monitor_b.get_funding_txo().0, monitor_b).is_ok());
- check_added_monitors!(nodes[1], 2);
- nodes[1].node = &nodes_1_deserialized;
-
- nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known() });
- nodes[1].node.peer_connected(&nodes[0].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());
- let bs_reestablish = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
- nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reestablish);
- nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reestablish);
- get_event_msg!(nodes[0], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id());
- get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[0].node.get_our_node_id());
-
- nodes[1].node.peer_connected(&nodes[2].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known() });
- nodes[2].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
- let bs_reestablish = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[2].node.get_our_node_id());
- let cs_reestablish = get_event_msg!(nodes[2], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id());
- nodes[2].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reestablish);
- nodes[1].node.handle_channel_reestablish(&nodes[2].node.get_our_node_id(), &cs_reestablish);
- get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[2].node.get_our_node_id());
- get_event_msg!(nodes[2], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id());
-
- nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)).unwrap();
- check_added_monitors!(nodes[0], 1);
- pass_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], 10_000, our_payment_hash, our_payment_secret);
- claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], our_payment_preimage);
-}
-