X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Ffunctional_tests.rs;h=e840bef4aac65e0b08edead14a8ac2a5d6447e11;hb=28c70ac50685b546a2fbaebea34acf1aa364cf66;hp=3961b70773bf3c15c8d51c5335c16fbd18489250;hpb=e5c988e00c515467e76639b5aac47b02a7f7b4a6;p=rust-lightning diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs index 3961b707..e840bef4 100644 --- a/lightning/src/ln/functional_tests.rs +++ b/lightning/src/ln/functional_tests.rs @@ -515,10 +515,10 @@ fn do_test_sanity_on_in_flight_opens(steps: u8) { if steps & 0x0f == 2 { return; } 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], 100000, 42); + let (temporary_channel_id, tx, funding_output) = create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 100000, 42); if steps & 0x0f == 3 { return; } - nodes[0].node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap(); + nodes[0].node.funding_transaction_generated(&temporary_channel_id, &nodes[1].node.get_our_node_id(), tx.clone()).unwrap(); check_added_monitors!(nodes[0], 0); let funding_created = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id()); @@ -2178,7 +2178,7 @@ fn channel_monitor_network_test() { send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2], &nodes[3], &nodes[4])[..], 8000000); // Simple case with no pending HTLCs: - nodes[1].node.force_close_channel(&chan_1.2).unwrap(); + nodes[1].node.force_close_channel(&chan_1.2, &nodes[0].node.get_our_node_id()).unwrap(); check_added_monitors!(nodes[1], 1); check_closed_broadcast!(nodes[1], true); { @@ -2199,7 +2199,7 @@ fn channel_monitor_network_test() { // Simple case of one pending HTLC to HTLC-Timeout (note that the HTLC-Timeout is not // broadcasted until we reach the timelock time). - nodes[1].node.force_close_channel(&chan_2.2).unwrap(); + nodes[1].node.force_close_channel(&chan_2.2, &nodes[2].node.get_our_node_id()).unwrap(); check_closed_broadcast!(nodes[1], true); check_added_monitors!(nodes[1], 1); { @@ -2238,7 +2238,7 @@ fn channel_monitor_network_test() { // nodes[3] gets the preimage, but nodes[2] already disconnected, resulting in a nodes[2] // HTLC-Timeout and a nodes[3] claim against it (+ its own announces) - nodes[2].node.force_close_channel(&chan_3.2).unwrap(); + nodes[2].node.force_close_channel(&chan_3.2, &nodes[3].node.get_our_node_id()).unwrap(); check_added_monitors!(nodes[2], 1); check_closed_broadcast!(nodes[2], true); let node2_commitment_txid; @@ -2708,18 +2708,20 @@ fn test_htlc_on_chain_success() { } let chan_id = Some(chan_1.2); match forwarded_events[1] { - Event::PaymentForwarded { fee_earned_msat, source_channel_id, claim_from_onchain_tx } => { + Event::PaymentForwarded { fee_earned_msat, prev_channel_id, claim_from_onchain_tx, next_channel_id } => { assert_eq!(fee_earned_msat, Some(1000)); - assert_eq!(source_channel_id, chan_id); + assert_eq!(prev_channel_id, chan_id); assert_eq!(claim_from_onchain_tx, true); + assert_eq!(next_channel_id, Some(chan_2.2)); }, _ => panic!() } match forwarded_events[2] { - Event::PaymentForwarded { fee_earned_msat, source_channel_id, claim_from_onchain_tx } => { + Event::PaymentForwarded { fee_earned_msat, prev_channel_id, claim_from_onchain_tx, next_channel_id } => { assert_eq!(fee_earned_msat, Some(1000)); - assert_eq!(source_channel_id, chan_id); + assert_eq!(prev_channel_id, chan_id); assert_eq!(claim_from_onchain_tx, true); + assert_eq!(next_channel_id, Some(chan_2.2)); }, _ => panic!() } @@ -3362,7 +3364,7 @@ fn test_htlc_ignore_latest_remote_commitment() { create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()); route_payment(&nodes[0], &[&nodes[1]], 10000000); - nodes[0].node.force_close_channel(&nodes[0].node.list_channels()[0].channel_id).unwrap(); + nodes[0].node.force_close_channel(&nodes[0].node.list_channels()[0].channel_id, &nodes[1].node.get_our_node_id()).unwrap(); connect_blocks(&nodes[0], TEST_FINAL_CLTV + LATENCY_GRACE_PERIOD_BLOCKS + 1); check_closed_broadcast!(nodes[0], true); check_added_monitors!(nodes[0], 1); @@ -3425,7 +3427,7 @@ fn test_force_close_fail_back() { // state or updated nodes[1]' state. Now force-close and broadcast that commitment/HTLC // transaction and ensure nodes[1] doesn't fail-backwards (this was originally a bug!). - nodes[2].node.force_close_channel(&payment_event.commitment_msg.channel_id).unwrap(); + nodes[2].node.force_close_channel(&payment_event.commitment_msg.channel_id, &nodes[1].node.get_our_node_id()).unwrap(); check_closed_broadcast!(nodes[2], true); check_added_monitors!(nodes[2], 1); check_closed_event!(nodes[2], 1, ClosureReason::HolderForceClosed); @@ -3506,10 +3508,10 @@ fn test_peer_disconnected_before_funding_broadcasted() { 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], 1_000_000, 42); + let (temporary_channel_id, tx, _funding_output) = create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 1_000_000, 42); assert_eq!(temporary_channel_id, expected_temporary_channel_id); - assert!(nodes[0].node.funding_transaction_generated(&temporary_channel_id, tx.clone()).is_ok()); + assert!(nodes[0].node.funding_transaction_generated(&temporary_channel_id, &nodes[1].node.get_our_node_id(), tx.clone()).is_ok()); let funding_created_msg = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id()); assert_eq!(funding_created_msg.temporary_channel_id, expected_temporary_channel_id); @@ -4426,9 +4428,9 @@ fn test_manager_serialize_deserialize_events() { node_b.node.handle_open_channel(&node_a.node.get_our_node_id(), a_flags, &get_event_msg!(node_a, MessageSendEvent::SendOpenChannel, node_b.node.get_our_node_id())); node_a.node.handle_accept_channel(&node_b.node.get_our_node_id(), b_flags, &get_event_msg!(node_b, MessageSendEvent::SendAcceptChannel, node_a.node.get_our_node_id())); - let (temporary_channel_id, tx, funding_output) = create_funding_transaction(&node_a, channel_value, 42); + let (temporary_channel_id, tx, funding_output) = create_funding_transaction(&node_a, &node_b.node.get_our_node_id(), channel_value, 42); - node_a.node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap(); + node_a.node.funding_transaction_generated(&temporary_channel_id, &node_b.node.get_our_node_id(), tx.clone()).unwrap(); check_added_monitors!(node_a, 0); node_b.node.handle_funding_created(&node_a.node.get_our_node_id(), &get_event_msg!(node_a, MessageSendEvent::SendFundingCreated, node_b.node.get_our_node_id())); @@ -4749,7 +4751,7 @@ fn test_claim_sizeable_push_msat() { let nodes = create_network(2, &node_cfgs, &node_chanmgrs); let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100_000, 98_000_000, InitFeatures::known(), InitFeatures::known()); - nodes[1].node.force_close_channel(&chan.2).unwrap(); + nodes[1].node.force_close_channel(&chan.2, &nodes[0].node.get_our_node_id()).unwrap(); check_closed_broadcast!(nodes[1], true); check_added_monitors!(nodes[1], 1); check_closed_event!(nodes[1], 1, ClosureReason::HolderForceClosed); @@ -4778,7 +4780,7 @@ fn test_claim_on_remote_sizeable_push_msat() { let nodes = create_network(2, &node_cfgs, &node_chanmgrs); let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100_000, 98_000_000, InitFeatures::known(), InitFeatures::known()); - nodes[0].node.force_close_channel(&chan.2).unwrap(); + nodes[0].node.force_close_channel(&chan.2, &nodes[1].node.get_our_node_id()).unwrap(); check_closed_broadcast!(nodes[0], true); check_added_monitors!(nodes[0], 1); check_closed_event!(nodes[0], 1, ClosureReason::HolderForceClosed); @@ -5180,10 +5182,11 @@ fn test_onchain_to_onchain_claim() { _ => panic!("Unexpected event"), } match events[1] { - Event::PaymentForwarded { fee_earned_msat, source_channel_id, claim_from_onchain_tx } => { + Event::PaymentForwarded { fee_earned_msat, prev_channel_id, claim_from_onchain_tx, next_channel_id } => { assert_eq!(fee_earned_msat, Some(1000)); - assert_eq!(source_channel_id, Some(chan_1.2)); + assert_eq!(prev_channel_id, Some(chan_1.2)); assert_eq!(claim_from_onchain_tx, true); + assert_eq!(next_channel_id, Some(chan_2.2)); }, _ => panic!("Unexpected event"), } @@ -5350,7 +5353,7 @@ fn test_duplicate_payment_hash_one_failure_one_success() { // Note that the fee paid is effectively double as the HTLC value (including the nodes[1] fee // and nodes[2] fee) is rounded down and then claimed in full. mine_transaction(&nodes[1], &htlc_success_txn[0]); - expect_payment_forwarded!(nodes[1], nodes[0], Some(196*2), true); + expect_payment_forwarded!(nodes[1], nodes[0], nodes[2], Some(196*2), true, true); let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()); assert!(updates.update_add_htlcs.is_empty()); assert!(updates.update_fail_htlcs.is_empty()); @@ -8283,7 +8286,7 @@ fn test_manually_accept_inbound_channel_request() { let events = nodes[1].node.get_and_clear_pending_events(); match events[0] { Event::OpenChannelRequest { temporary_channel_id, .. } => { - nodes[1].node.accept_inbound_channel(&temporary_channel_id, 23).unwrap(); + nodes[1].node.accept_inbound_channel(&temporary_channel_id, &nodes[0].node.get_our_node_id(), 23).unwrap(); } _ => panic!("Unexpected event"), } @@ -8298,7 +8301,7 @@ fn test_manually_accept_inbound_channel_request() { _ => panic!("Unexpected event"), } - nodes[1].node.force_close_channel(&temp_channel_id).unwrap(); + nodes[1].node.force_close_channel(&temp_channel_id, &nodes[0].node.get_our_node_id()).unwrap(); let close_msg_ev = nodes[1].node.get_and_clear_pending_msg_events(); assert_eq!(close_msg_ev.len(), 1); @@ -8333,7 +8336,7 @@ fn test_manually_reject_inbound_channel_request() { let events = nodes[1].node.get_and_clear_pending_events(); match events[0] { Event::OpenChannelRequest { temporary_channel_id, .. } => { - nodes[1].node.force_close_channel(&temporary_channel_id).unwrap(); + nodes[1].node.force_close_channel(&temporary_channel_id, &nodes[0].node.get_our_node_id()).unwrap(); } _ => panic!("Unexpected event"), } @@ -8388,9 +8391,9 @@ fn test_reject_funding_before_inbound_channel_accepted() { nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &accept_chan_msg); } - let (temporary_channel_id, tx, _) = create_funding_transaction(&nodes[0], 100000, 42); + let (temporary_channel_id, tx, _) = create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 100000, 42); - nodes[0].node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap(); + nodes[0].node.funding_transaction_generated(&temporary_channel_id, &nodes[1].node.get_our_node_id(), tx.clone()).unwrap(); let funding_created_msg = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id()); // The `funding_created_msg` should be rejected by `nodes[1]` as it hasn't accepted the channel @@ -8433,8 +8436,8 @@ fn test_can_not_accept_inbound_channel_twice() { let events = nodes[1].node.get_and_clear_pending_events(); match events[0] { Event::OpenChannelRequest { temporary_channel_id, .. } => { - nodes[1].node.accept_inbound_channel(&temporary_channel_id, 0).unwrap(); - let api_res = nodes[1].node.accept_inbound_channel(&temporary_channel_id, 0); + nodes[1].node.accept_inbound_channel(&temporary_channel_id, &nodes[0].node.get_our_node_id(), 0).unwrap(); + let api_res = nodes[1].node.accept_inbound_channel(&temporary_channel_id, &nodes[0].node.get_our_node_id(), 0); match api_res { Err(APIError::APIMisuseError { err }) => { assert_eq!(err, "The channel isn't currently awaiting to be accepted."); @@ -8460,13 +8463,13 @@ fn test_can_not_accept_inbound_channel_twice() { #[test] fn test_can_not_accept_unknown_inbound_channel() { - let chanmon_cfg = create_chanmon_cfgs(1); - let node_cfg = create_node_cfgs(1, &chanmon_cfg); - let node_chanmgr = create_node_chanmgrs(1, &node_cfg, &[None]); - let node = create_network(1, &node_cfg, &node_chanmgr)[0].node; + let chanmon_cfg = create_chanmon_cfgs(2); + let node_cfg = create_node_cfgs(2, &chanmon_cfg); + let node_chanmgr = create_node_chanmgrs(2, &node_cfg, &[None, None]); + let nodes = create_network(2, &node_cfg, &node_chanmgr); let unknown_channel_id = [0; 32]; - let api_res = node.accept_inbound_channel(&unknown_channel_id, 0); + let api_res = nodes[0].node.accept_inbound_channel(&unknown_channel_id, &nodes[1].node.get_our_node_id(), 0); match api_res { Err(APIError::ChannelUnavailable { err }) => { assert_eq!(err, "Can't accept a channel that doesn't exist"); @@ -8875,9 +8878,9 @@ fn test_pre_lockin_no_chan_closed_update() { nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &accept_chan_msg); // Move the first channel through the funding flow... - let (temporary_channel_id, tx, _) = create_funding_transaction(&nodes[0], 100000, 42); + let (temporary_channel_id, tx, _) = create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 100000, 42); - nodes[0].node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap(); + nodes[0].node.funding_transaction_generated(&temporary_channel_id, &nodes[1].node.get_our_node_id(), tx.clone()).unwrap(); check_added_monitors!(nodes[0], 0); let funding_created_msg = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id()); @@ -8975,8 +8978,14 @@ fn do_test_onchain_htlc_settlement_after_close(broadcast_alice: bool, go_onchain // If `go_onchain_before_fufill`, broadcast the relevant commitment transaction and check that Bob // responds by (1) broadcasting a channel update and (2) adding a new ChannelMonitor. let mut force_closing_node = 0; // Alice force-closes - if !broadcast_alice { force_closing_node = 1; } // Bob force-closes - nodes[force_closing_node].node.force_close_channel(&chan_ab.2).unwrap(); + let mut counterparty_node = 1; // Bob if Alice force-closes + + // Bob force-closes + if !broadcast_alice { + force_closing_node = 1; + counterparty_node = 0; + } + nodes[force_closing_node].node.force_close_channel(&chan_ab.2, &nodes[counterparty_node].node.get_our_node_id()).unwrap(); check_closed_broadcast!(nodes[force_closing_node], true); check_added_monitors!(nodes[force_closing_node], 1); check_closed_event!(nodes[force_closing_node], 1, ClosureReason::HolderForceClosed); @@ -9010,7 +9019,7 @@ fn do_test_onchain_htlc_settlement_after_close(broadcast_alice: bool, go_onchain assert_eq!(carol_updates.update_fulfill_htlcs.len(), 1); nodes[1].node.handle_update_fulfill_htlc(&nodes[2].node.get_our_node_id(), &carol_updates.update_fulfill_htlcs[0]); - expect_payment_forwarded!(nodes[1], nodes[0], if go_onchain_before_fulfill || force_closing_node == 1 { None } else { Some(1000) }, false); + expect_payment_forwarded!(nodes[1], nodes[0], nodes[2], if go_onchain_before_fulfill || force_closing_node == 1 { None } else { Some(1000) }, false, false); // If Alice broadcasted but Bob doesn't know yet, here he prepares to tell her about the preimage. if !go_onchain_before_fulfill && broadcast_alice { let events = nodes[1].node.get_and_clear_pending_msg_events(); @@ -9164,9 +9173,9 @@ fn test_duplicate_chan_id() { } // Move the first channel through the funding flow... - let (temporary_channel_id, tx, funding_output) = create_funding_transaction(&nodes[0], 100000, 42); + let (temporary_channel_id, tx, funding_output) = create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 100000, 42); - nodes[0].node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap(); + nodes[0].node.funding_transaction_generated(&temporary_channel_id, &nodes[1].node.get_our_node_id(), tx.clone()).unwrap(); check_added_monitors!(nodes[0], 0); let mut funding_created_msg = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id()); @@ -9209,7 +9218,7 @@ fn test_duplicate_chan_id() { let open_chan_2_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(), InitFeatures::known(), &open_chan_2_msg); nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id())); - create_funding_transaction(&nodes[0], 100000, 42); // Get and check the FundingGenerationReady event + create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 100000, 42); // Get and check the FundingGenerationReady event let funding_created = { let mut a_channel_lock = nodes[0].node.channel_state.lock().unwrap(); @@ -9342,13 +9351,13 @@ fn test_invalid_funding_tx() { nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id())); nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id())); - let (temporary_channel_id, mut tx, _) = create_funding_transaction(&nodes[0], 100_000, 42); + let (temporary_channel_id, mut tx, _) = create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 100_000, 42); for output in tx.output.iter_mut() { // Make the confirmed funding transaction have a bogus script_pubkey output.script_pubkey = bitcoin::Script::new(); } - nodes[0].node.funding_transaction_generated_unchecked(&temporary_channel_id, tx.clone(), 0).unwrap(); + nodes[0].node.funding_transaction_generated_unchecked(&temporary_channel_id, &nodes[1].node.get_our_node_id(), tx.clone(), 0).unwrap(); nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id())); check_added_monitors!(nodes[1], 1); @@ -9406,7 +9415,7 @@ fn do_test_tx_confirmed_skipping_blocks_immediate_broadcast(test_height_before_t nodes[1].node.peer_disconnected(&nodes[2].node.get_our_node_id(), false); nodes[2].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false); - nodes[1].node.force_close_channel(&channel_id).unwrap(); + nodes[1].node.force_close_channel(&channel_id, &nodes[2].node.get_our_node_id()).unwrap(); check_closed_broadcast!(nodes[1], true); check_closed_event!(nodes[1], 1, ClosureReason::HolderForceClosed); check_added_monitors!(nodes[1], 1); @@ -9834,6 +9843,186 @@ fn test_keysend_payments_to_private_node() { claim_payment(&nodes[0], &path, test_preimage); } +fn do_test_partial_claim_before_restart(persist_both_monitors: bool) { + // Test what happens if a node receives an MPP payment, claims it, but crashes before + // persisting the ChannelManager. If `persist_both_monitors` is false, also crash after only + // updating one of the two channels' ChannelMonitors. As a result, on startup, we'll (a) still + // have the PaymentReceived event, (b) have one (or two) channel(s) that goes on chain with the + // HTLC preimage in them, and (c) optionally have one channel that is live off-chain but does + // not have the preimage tied to the still-pending HTLC. + // + // To get to the correct state, on startup we should propagate the preimage to the + // still-off-chain channel, claiming the HTLC as soon as the peer connects, with the monitor + // receiving the preimage without a state update. + let chanmon_cfgs = create_chanmon_cfgs(4); + let node_cfgs = create_node_cfgs(4, &chanmon_cfgs); + let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, None]); + + let persister: test_utils::TestPersister; + let new_chain_monitor: test_utils::TestChainMonitor; + let nodes_3_deserialized: ChannelManager; + + let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs); + + create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100_000, 0, InitFeatures::known(), InitFeatures::known()); + create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 100_000, 0, InitFeatures::known(), InitFeatures::known()); + let chan_id_persisted = create_announced_chan_between_nodes_with_value(&nodes, 1, 3, 100_000, 0, InitFeatures::known(), InitFeatures::known()).2; + let chan_id_not_persisted = create_announced_chan_between_nodes_with_value(&nodes, 2, 3, 100_000, 0, InitFeatures::known(), InitFeatures::known()).2; + + // Create an MPP route for 15k sats, more than the default htlc-max of 10% + let (mut route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[3], 15_000_000); + assert_eq!(route.paths.len(), 2); + route.paths.sort_by(|path_a, _| { + // Sort the path so that the path through nodes[1] comes first + if path_a[0].pubkey == nodes[1].node.get_our_node_id() { + core::cmp::Ordering::Less } else { core::cmp::Ordering::Greater } + }); + + nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret)).unwrap(); + check_added_monitors!(nodes[0], 2); + + // Send the payment through to nodes[3] *without* clearing the PaymentReceived event + let mut send_events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(send_events.len(), 2); + do_pass_along_path(&nodes[0], &[&nodes[1], &nodes[3]], 15_000_000, payment_hash, Some(payment_secret), send_events[0].clone(), true, false, None); + do_pass_along_path(&nodes[0], &[&nodes[2], &nodes[3]], 15_000_000, payment_hash, Some(payment_secret), send_events[1].clone(), true, false, None); + + // Now that we have an MPP payment pending, get the latest encoded copies of nodes[3]'s + // monitors and ChannelManager, for use later, if we don't want to persist both monitors. + let mut original_monitor = test_utils::TestVecWriter(Vec::new()); + if !persist_both_monitors { + for outpoint in nodes[3].chain_monitor.chain_monitor.list_monitors() { + if outpoint.to_channel_id() == chan_id_not_persisted { + assert!(original_monitor.0.is_empty()); + nodes[3].chain_monitor.chain_monitor.get_monitor(outpoint).unwrap().write(&mut original_monitor).unwrap(); + } + } + } + + let mut original_manager = test_utils::TestVecWriter(Vec::new()); + nodes[3].node.write(&mut original_manager).unwrap(); + + expect_payment_received!(nodes[3], payment_hash, payment_secret, 15_000_000); + + nodes[3].node.claim_funds(payment_preimage); + check_added_monitors!(nodes[3], 2); + + // Now fetch one of the two updated ChannelMonitors from nodes[3], and restart pretending we + // crashed in between the two persistence calls - using one old ChannelMonitor and one new one, + // with the old ChannelManager. + let mut updated_monitor = test_utils::TestVecWriter(Vec::new()); + for outpoint in nodes[3].chain_monitor.chain_monitor.list_monitors() { + if outpoint.to_channel_id() == chan_id_persisted { + assert!(updated_monitor.0.is_empty()); + nodes[3].chain_monitor.chain_monitor.get_monitor(outpoint).unwrap().write(&mut updated_monitor).unwrap(); + } + } + // If `persist_both_monitors` is set, get the second monitor here as well + if persist_both_monitors { + for outpoint in nodes[3].chain_monitor.chain_monitor.list_monitors() { + if outpoint.to_channel_id() == chan_id_not_persisted { + assert!(original_monitor.0.is_empty()); + nodes[3].chain_monitor.chain_monitor.get_monitor(outpoint).unwrap().write(&mut original_monitor).unwrap(); + } + } + } + + // Now restart nodes[3]. + persister = test_utils::TestPersister::new(); + let keys_manager = &chanmon_cfgs[3].keys_manager; + new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[3].chain_source), nodes[3].tx_broadcaster.clone(), nodes[3].logger, node_cfgs[3].fee_estimator, &persister, keys_manager); + nodes[3].chain_monitor = &new_chain_monitor; + let mut monitors = Vec::new(); + for mut monitor_data in [original_monitor, updated_monitor].iter() { + let (_, mut deserialized_monitor) = <(BlockHash, ChannelMonitor)>::read(&mut &monitor_data.0[..], keys_manager).unwrap(); + monitors.push(deserialized_monitor); + } + + let config = UserConfig::default(); + nodes_3_deserialized = { + let mut channel_monitors = HashMap::new(); + for monitor in monitors.iter_mut() { + channel_monitors.insert(monitor.get_funding_txo().0, monitor); + } + <(BlockHash, ChannelManager)>::read(&mut &original_manager.0[..], ChannelManagerReadArgs { + default_config: config, + keys_manager, + fee_estimator: node_cfgs[3].fee_estimator, + chain_monitor: nodes[3].chain_monitor, + tx_broadcaster: nodes[3].tx_broadcaster.clone(), + logger: nodes[3].logger, + channel_monitors, + }).unwrap().1 + }; + nodes[3].node = &nodes_3_deserialized; + + for monitor in monitors { + // On startup the preimage should have been copied into the non-persisted monitor: + assert!(monitor.get_stored_preimages().contains_key(&payment_hash)); + nodes[3].chain_monitor.watch_channel(monitor.get_funding_txo().0.clone(), monitor).unwrap(); + } + check_added_monitors!(nodes[3], 2); + + nodes[1].node.peer_disconnected(&nodes[3].node.get_our_node_id(), false); + nodes[2].node.peer_disconnected(&nodes[3].node.get_our_node_id(), false); + + // During deserialization, we should have closed one channel and broadcast its latest + // commitment transaction. We should also still have the original PaymentReceived event we + // never finished processing. + let events = nodes[3].node.get_and_clear_pending_events(); + assert_eq!(events.len(), if persist_both_monitors { 3 } else { 2 }); + if let Event::PaymentReceived { amt: 15_000_000, .. } = events[0] { } else { panic!(); } + if let Event::ChannelClosed { reason: ClosureReason::OutdatedChannelManager, .. } = events[1] { } else { panic!(); } + if persist_both_monitors { + if let Event::ChannelClosed { reason: ClosureReason::OutdatedChannelManager, .. } = events[2] { } else { panic!(); } + } + + assert_eq!(nodes[3].node.list_channels().len(), if persist_both_monitors { 0 } else { 1 }); + if !persist_both_monitors { + // If one of the two channels is still live, reveal the payment preimage over it. + + nodes[3].node.peer_connected(&nodes[2].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None }); + let reestablish_1 = get_chan_reestablish_msgs!(nodes[3], nodes[2]); + nodes[2].node.peer_connected(&nodes[3].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None }); + let reestablish_2 = get_chan_reestablish_msgs!(nodes[2], nodes[3]); + + nodes[2].node.handle_channel_reestablish(&nodes[3].node.get_our_node_id(), &reestablish_1[0]); + get_event_msg!(nodes[2], MessageSendEvent::SendChannelUpdate, nodes[3].node.get_our_node_id()); + assert!(nodes[2].node.get_and_clear_pending_msg_events().is_empty()); + + nodes[3].node.handle_channel_reestablish(&nodes[2].node.get_our_node_id(), &reestablish_2[0]); + + // Once we call `get_and_clear_pending_msg_events` the holding cell is cleared and the HTLC + // claim should fly. + let ds_msgs = nodes[3].node.get_and_clear_pending_msg_events(); + check_added_monitors!(nodes[3], 1); + assert_eq!(ds_msgs.len(), 2); + if let MessageSendEvent::SendChannelUpdate { .. } = ds_msgs[1] {} else { panic!(); } + + let cs_updates = match ds_msgs[0] { + MessageSendEvent::UpdateHTLCs { ref updates, .. } => { + nodes[2].node.handle_update_fulfill_htlc(&nodes[3].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]); + check_added_monitors!(nodes[2], 1); + let cs_updates = get_htlc_update_msgs!(nodes[2], nodes[0].node.get_our_node_id()); + expect_payment_forwarded!(nodes[2], nodes[0], nodes[3], Some(1000), false, false); + commitment_signed_dance!(nodes[2], nodes[3], updates.commitment_signed, false, true); + cs_updates + } + _ => panic!(), + }; + + nodes[0].node.handle_update_fulfill_htlc(&nodes[2].node.get_our_node_id(), &cs_updates.update_fulfill_htlcs[0]); + commitment_signed_dance!(nodes[0], nodes[2], cs_updates.commitment_signed, false, true); + expect_payment_sent!(nodes[0], payment_preimage); + } +} + +#[test] +fn test_partial_claim_before_restart() { + do_test_partial_claim_before_restart(false); + do_test_partial_claim_before_restart(true); +} + /// The possible events which may trigger a `max_dust_htlc_exposure` breach #[derive(Clone, Copy, PartialEq)] enum ExposureEvent { @@ -9878,7 +10067,7 @@ fn do_test_max_dust_htlc_exposure(dust_outbound_balance: bool, exposure_breach_e let opt_anchors = false; - let (temporary_channel_id, tx, _) = create_funding_transaction(&nodes[0], 1_000_000, 42); + let (temporary_channel_id, tx, _) = create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 1_000_000, 42); if on_holder_tx { if let Some(mut chan) = nodes[0].node.channel_state.lock().unwrap().by_id.get_mut(&temporary_channel_id) { @@ -9886,7 +10075,7 @@ fn do_test_max_dust_htlc_exposure(dust_outbound_balance: bool, exposure_breach_e } } - nodes[0].node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap(); + nodes[0].node.funding_transaction_generated(&temporary_channel_id, &nodes[1].node.get_our_node_id(), tx.clone()).unwrap(); nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id())); check_added_monitors!(nodes[1], 1);