From 97b210dd977af40e61210270dec6e35f014817bc Mon Sep 17 00:00:00 2001 From: Matt Corallo Date: Tue, 15 Nov 2022 03:45:17 +0000 Subject: [PATCH] Move restart-related tests to their own file --- lightning/src/ln/functional_tests.rs | 787 +------------------------- lightning/src/ln/mod.rs | 3 + lightning/src/ln/reload_tests.rs | 813 +++++++++++++++++++++++++++ 3 files changed, 818 insertions(+), 785 deletions(-) create mode 100644 lightning/src/ln/reload_tests.rs diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs index d664e85aa..9ebce459e 100644 --- a/lightning/src/ln/functional_tests.rs +++ b/lightning/src/ln/functional_tests.rs @@ -15,12 +15,12 @@ use crate::chain; use crate::chain::{ChannelMonitorUpdateStatus, Confirm, Listen, Watch}; use crate::chain::chaininterface::LowerBoundedFeeEstimator; use crate::chain::channelmonitor; -use crate::chain::channelmonitor::{ChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ANTI_REORG_DELAY}; +use crate::chain::channelmonitor::{CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ANTI_REORG_DELAY}; use crate::chain::transaction::OutPoint; use crate::chain::keysinterface::{BaseSign, KeysInterface}; use crate::ln::{PaymentPreimage, PaymentSecret, PaymentHash}; use crate::ln::channel::{commitment_tx_base_weight, COMMITMENT_TX_WEIGHT_PER_HTLC, CONCURRENT_INBOUND_HTLC_FEE_BUFFER, FEE_SPIKE_BUFFER_FEE_INCREASE_MULTIPLE, MIN_AFFORDABLE_HTLC_COUNT}; -use crate::ln::channelmanager::{self, ChannelManager, ChannelManagerReadArgs, PaymentId, RAACommitmentOrder, PaymentSendFailure, BREAKDOWN_TIMEOUT, MIN_CLTV_EXPIRY_DELTA}; +use crate::ln::channelmanager::{self, PaymentId, RAACommitmentOrder, PaymentSendFailure, BREAKDOWN_TIMEOUT, MIN_CLTV_EXPIRY_DELTA}; use crate::ln::channel::{Channel, ChannelError}; use crate::ln::{chan_utils, onion_utils}; use crate::ln::chan_utils::{OFFERED_HTLC_SCRIPT_WEIGHT, htlc_success_tx_weight, htlc_timeout_tx_weight, HTLCOutputInCommitment}; @@ -3852,152 +3852,6 @@ fn test_drop_messages_peer_disconnect_b() { do_test_drop_messages_peer_disconnect(6, false); } -#[test] -fn test_funding_peer_disconnect() { - // Test that we can lock in our funding tx while disconnected - 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 persister: test_utils::TestPersister; - let new_chain_monitor: test_utils::TestChainMonitor; - let nodes_0_deserialized: ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>; - let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); - let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 100000, 10001, channelmanager::provided_init_features(), channelmanager::provided_init_features()); - - nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false); - nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); - - confirm_transaction(&nodes[0], &tx); - let events_1 = nodes[0].node.get_and_clear_pending_msg_events(); - assert!(events_1.is_empty()); - - reconnect_nodes(&nodes[0], &nodes[1], (false, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); - - nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false); - nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); - - confirm_transaction(&nodes[1], &tx); - let events_2 = nodes[1].node.get_and_clear_pending_msg_events(); - assert!(events_2.is_empty()); - - nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - let as_reestablish = get_chan_reestablish_msgs!(nodes[0], nodes[1]).pop().unwrap(); - nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - let bs_reestablish = get_chan_reestablish_msgs!(nodes[1], nodes[0]).pop().unwrap(); - - // nodes[0] hasn't yet received a channel_ready, so it only sends that on reconnect. - nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reestablish); - let events_3 = nodes[0].node.get_and_clear_pending_msg_events(); - assert_eq!(events_3.len(), 1); - let as_channel_ready = match events_3[0] { - MessageSendEvent::SendChannelReady { ref node_id, ref msg } => { - assert_eq!(*node_id, nodes[1].node.get_our_node_id()); - msg.clone() - }, - _ => panic!("Unexpected event {:?}", events_3[0]), - }; - - // nodes[1] received nodes[0]'s channel_ready on the first reconnect above, so it should send - // announcement_signatures as well as channel_update. - nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reestablish); - let events_4 = nodes[1].node.get_and_clear_pending_msg_events(); - assert_eq!(events_4.len(), 3); - let chan_id; - let bs_channel_ready = match events_4[0] { - MessageSendEvent::SendChannelReady { ref node_id, ref msg } => { - assert_eq!(*node_id, nodes[0].node.get_our_node_id()); - chan_id = msg.channel_id; - msg.clone() - }, - _ => panic!("Unexpected event {:?}", events_4[0]), - }; - let bs_announcement_sigs = match events_4[1] { - MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => { - assert_eq!(*node_id, nodes[0].node.get_our_node_id()); - msg.clone() - }, - _ => panic!("Unexpected event {:?}", events_4[1]), - }; - match events_4[2] { - MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } => { - assert_eq!(*node_id, nodes[0].node.get_our_node_id()); - }, - _ => panic!("Unexpected event {:?}", events_4[2]), - } - - // Re-deliver nodes[0]'s channel_ready, which nodes[1] can safely ignore. It currently - // generates a duplicative private channel_update - nodes[1].node.handle_channel_ready(&nodes[0].node.get_our_node_id(), &as_channel_ready); - let events_5 = nodes[1].node.get_and_clear_pending_msg_events(); - assert_eq!(events_5.len(), 1); - match events_5[0] { - MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } => { - assert_eq!(*node_id, nodes[0].node.get_our_node_id()); - }, - _ => panic!("Unexpected event {:?}", events_5[0]), - }; - - // When we deliver nodes[1]'s channel_ready, however, nodes[0] will generate its - // announcement_signatures. - nodes[0].node.handle_channel_ready(&nodes[1].node.get_our_node_id(), &bs_channel_ready); - let events_6 = nodes[0].node.get_and_clear_pending_msg_events(); - assert_eq!(events_6.len(), 1); - let as_announcement_sigs = match events_6[0] { - MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => { - assert_eq!(*node_id, nodes[1].node.get_our_node_id()); - msg.clone() - }, - _ => panic!("Unexpected event {:?}", events_6[0]), - }; - expect_channel_ready_event(&nodes[0], &nodes[1].node.get_our_node_id()); - expect_channel_ready_event(&nodes[1], &nodes[0].node.get_our_node_id()); - - // When we deliver nodes[1]'s announcement_signatures to nodes[0], nodes[0] should immediately - // broadcast the channel announcement globally, as well as re-send its (now-public) - // channel_update. - nodes[0].node.handle_announcement_signatures(&nodes[1].node.get_our_node_id(), &bs_announcement_sigs); - let events_7 = nodes[0].node.get_and_clear_pending_msg_events(); - assert_eq!(events_7.len(), 1); - let (chan_announcement, as_update) = match events_7[0] { - MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => { - (msg.clone(), update_msg.clone()) - }, - _ => panic!("Unexpected event {:?}", events_7[0]), - }; - - // Finally, deliver nodes[0]'s announcement_signatures to nodes[1] and make sure it creates the - // same channel_announcement. - nodes[1].node.handle_announcement_signatures(&nodes[0].node.get_our_node_id(), &as_announcement_sigs); - let events_8 = nodes[1].node.get_and_clear_pending_msg_events(); - assert_eq!(events_8.len(), 1); - let bs_update = match events_8[0] { - MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => { - assert_eq!(*msg, chan_announcement); - update_msg.clone() - }, - _ => panic!("Unexpected event {:?}", events_8[0]), - }; - - // Provide the channel announcement and public updates to the network graph - nodes[0].gossip_sync.handle_channel_announcement(&chan_announcement).unwrap(); - nodes[0].gossip_sync.handle_channel_update(&bs_update).unwrap(); - nodes[0].gossip_sync.handle_channel_update(&as_update).unwrap(); - - let (route, _, _, _) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000); - let payment_preimage = send_along_route(&nodes[0], route, &[&nodes[1]], 1000000).0; - claim_payment(&nodes[0], &[&nodes[1]], payment_preimage); - - // Check that after deserialization and reconnection we can still generate an identical - // channel_announcement from the cached signatures. - nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); - - let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode(); - - reload_node!(nodes[0], &nodes[0].node.encode(), &[&chan_0_monitor_serialized], persister, new_chain_monitor, nodes_0_deserialized); - - reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); -} - #[test] fn test_channel_ready_without_best_block_updated() { // Previously, if we were offline when a funding transaction was locked in, and then we came @@ -4303,287 +4157,6 @@ fn test_holding_cell_htlc_add_timeouts() { do_test_holding_cell_htlc_add_timeouts(true); } -#[test] -fn test_no_txn_manager_serialize_deserialize() { - 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 persister: test_utils::TestPersister; - let new_chain_monitor: test_utils::TestChainMonitor; - let nodes_0_deserialized: ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>; - let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); - - let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 100000, 10001, channelmanager::provided_init_features(), channelmanager::provided_init_features()); - - nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); - - let chan_0_monitor_serialized = - get_monitor!(nodes[0], OutPoint { txid: tx.txid(), index: 0 }.to_channel_id()).encode(); - reload_node!(nodes[0], nodes[0].node.encode(), &[&chan_0_monitor_serialized], persister, new_chain_monitor, nodes_0_deserialized); - - nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]); - nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - let reestablish_2 = get_chan_reestablish_msgs!(nodes[1], nodes[0]); - - nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &reestablish_1[0]); - assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &reestablish_2[0]); - assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - - let (channel_ready, _) = create_chan_between_nodes_with_value_confirm(&nodes[0], &nodes[1], &tx); - let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &channel_ready); - for node in nodes.iter() { - assert!(node.gossip_sync.handle_channel_announcement(&announcement).unwrap()); - node.gossip_sync.handle_channel_update(&as_update).unwrap(); - node.gossip_sync.handle_channel_update(&bs_update).unwrap(); - } - - send_payment(&nodes[0], &[&nodes[1]], 1000000); -} - -#[test] -fn test_manager_serialize_deserialize_events() { - // This test makes sure the events field in ChannelManager survives de/serialization - 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 persister: test_utils::TestPersister; - let new_chain_monitor: test_utils::TestChainMonitor; - let nodes_0_deserialized: ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>; - let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); - - // Start creating a channel, but stop right before broadcasting the funding transaction - let channel_value = 100000; - let push_msat = 10001; - let a_flags = channelmanager::provided_init_features(); - let b_flags = channelmanager::provided_init_features(); - let node_a = nodes.remove(0); - let node_b = nodes.remove(0); - node_a.node.create_channel(node_b.node.get_our_node_id(), channel_value, push_msat, 42, None).unwrap(); - 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, &node_b.node.get_our_node_id(), channel_value, 42); - - 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())); - { - let mut added_monitors = node_b.chain_monitor.added_monitors.lock().unwrap(); - assert_eq!(added_monitors.len(), 1); - assert_eq!(added_monitors[0].0, funding_output); - added_monitors.clear(); - } - - let bs_funding_signed = get_event_msg!(node_b, MessageSendEvent::SendFundingSigned, node_a.node.get_our_node_id()); - node_a.node.handle_funding_signed(&node_b.node.get_our_node_id(), &bs_funding_signed); - { - let mut added_monitors = node_a.chain_monitor.added_monitors.lock().unwrap(); - assert_eq!(added_monitors.len(), 1); - assert_eq!(added_monitors[0].0, funding_output); - added_monitors.clear(); - } - // Normally, this is where node_a would broadcast the funding transaction, but the test de/serializes first instead - - nodes.push(node_a); - nodes.push(node_b); - - // Start the de/seriailization process mid-channel creation to check that the channel manager will hold onto events that are serialized - let chan_0_monitor_serialized = get_monitor!(nodes[0], bs_funding_signed.channel_id).encode(); - reload_node!(nodes[0], nodes[0].node.encode(), &[&chan_0_monitor_serialized], persister, new_chain_monitor, nodes_0_deserialized); - - nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); - - // After deserializing, make sure the funding_transaction is still held by the channel manager - let events_4 = nodes[0].node.get_and_clear_pending_events(); - assert_eq!(events_4.len(), 0); - assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1); - assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap()[0].txid(), funding_output.txid); - - // Make sure the channel is functioning as though the de/serialization never happened - assert_eq!(nodes[0].node.list_channels().len(), 1); - - nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]); - nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - let reestablish_2 = get_chan_reestablish_msgs!(nodes[1], nodes[0]); - - nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &reestablish_1[0]); - assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &reestablish_2[0]); - assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - - let (channel_ready, _) = create_chan_between_nodes_with_value_confirm(&nodes[0], &nodes[1], &tx); - let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &channel_ready); - for node in nodes.iter() { - assert!(node.gossip_sync.handle_channel_announcement(&announcement).unwrap()); - node.gossip_sync.handle_channel_update(&as_update).unwrap(); - node.gossip_sync.handle_channel_update(&bs_update).unwrap(); - } - - send_payment(&nodes[0], &[&nodes[1]], 1000000); -} - -#[test] -fn test_simple_manager_serialize_deserialize() { - 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 persister: test_utils::TestPersister; - let new_chain_monitor: test_utils::TestChainMonitor; - let nodes_0_deserialized: ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>; - let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); - let chan_id = create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features()).2; - - let (our_payment_preimage, _, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000); - let (_, our_payment_hash, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000); - - nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); - - let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode(); - reload_node!(nodes[0], nodes[0].node.encode(), &[&chan_0_monitor_serialized], persister, new_chain_monitor, nodes_0_deserialized); - - reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); - - fail_payment(&nodes[0], &[&nodes[1]], our_payment_hash); - claim_payment(&nodes[0], &[&nodes[1]], our_payment_preimage); -} - -#[test] -fn test_manager_serialize_deserialize_inconsistent_monitor() { - // Test deserializing a ChannelManager with an out-of-date ChannelMonitor - 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 logger: test_utils::TestLogger; - let fee_estimator: test_utils::TestFeeEstimator; - let persister: test_utils::TestPersister; - let new_chain_monitor: test_utils::TestChainMonitor; - let nodes_0_deserialized: ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>; - let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs); - let chan_id_1 = create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features()).2; - let chan_id_2 = create_announced_chan_between_nodes(&nodes, 2, 0, channelmanager::provided_init_features(), channelmanager::provided_init_features()).2; - let (_, _, channel_id, funding_tx) = create_announced_chan_between_nodes(&nodes, 0, 3, channelmanager::provided_init_features(), channelmanager::provided_init_features()); - - let mut node_0_stale_monitors_serialized = Vec::new(); - for chan_id_iter in &[chan_id_1, chan_id_2, channel_id] { - let mut writer = test_utils::TestVecWriter(Vec::new()); - get_monitor!(nodes[0], chan_id_iter).write(&mut writer).unwrap(); - node_0_stale_monitors_serialized.push(writer.0); - } - - let (our_payment_preimage, _, _) = route_payment(&nodes[2], &[&nodes[0], &nodes[1]], 1000000); - - // Serialize the ChannelManager here, but the monitor we keep up-to-date - let nodes_0_serialized = nodes[0].node.encode(); - - route_payment(&nodes[0], &[&nodes[3]], 1000000); - nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); - nodes[2].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); - nodes[3].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); - - // Now the ChannelMonitor (which is now out-of-sync with ChannelManager for channel w/ - // nodes[3]) - let mut node_0_monitors_serialized = Vec::new(); - for chan_id_iter in &[chan_id_1, chan_id_2, channel_id] { - node_0_monitors_serialized.push(get_monitor!(nodes[0], chan_id_iter).encode()); - } - - logger = test_utils::TestLogger::new(); - fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }; - persister = test_utils::TestPersister::new(); - let keys_manager = &chanmon_cfgs[0].keys_manager; - new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister, keys_manager); - nodes[0].chain_monitor = &new_chain_monitor; - - - let mut node_0_stale_monitors = Vec::new(); - for serialized in node_0_stale_monitors_serialized.iter() { - let mut read = &serialized[..]; - let (_, monitor) = <(BlockHash, ChannelMonitor)>::read(&mut read, keys_manager).unwrap(); - assert!(read.is_empty()); - node_0_stale_monitors.push(monitor); - } - - let mut node_0_monitors = Vec::new(); - for serialized in node_0_monitors_serialized.iter() { - let mut read = &serialized[..]; - let (_, monitor) = <(BlockHash, ChannelMonitor)>::read(&mut read, keys_manager).unwrap(); - assert!(read.is_empty()); - node_0_monitors.push(monitor); - } - - let mut nodes_0_read = &nodes_0_serialized[..]; - if let Err(msgs::DecodeError::InvalidValue) = - <(BlockHash, ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs { - default_config: UserConfig::default(), - keys_manager, - fee_estimator: &fee_estimator, - chain_monitor: nodes[0].chain_monitor, - tx_broadcaster: nodes[0].tx_broadcaster.clone(), - logger: &logger, - channel_monitors: node_0_stale_monitors.iter_mut().map(|monitor| { (monitor.get_funding_txo().0, monitor) }).collect(), - }) { } else { - panic!("If the monitor(s) are stale, this indicates a bug and we should get an Err return"); - }; - - let mut nodes_0_read = &nodes_0_serialized[..]; - let (_, nodes_0_deserialized_tmp) = - <(BlockHash, ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs { - default_config: UserConfig::default(), - keys_manager, - fee_estimator: &fee_estimator, - chain_monitor: nodes[0].chain_monitor, - tx_broadcaster: nodes[0].tx_broadcaster.clone(), - logger: &logger, - channel_monitors: node_0_monitors.iter_mut().map(|monitor| { (monitor.get_funding_txo().0, monitor) }).collect(), - }).unwrap(); - nodes_0_deserialized = nodes_0_deserialized_tmp; - assert!(nodes_0_read.is_empty()); - - { // Channel close should result in a commitment tx - let txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); - assert_eq!(txn.len(), 1); - check_spends!(txn[0], funding_tx); - assert_eq!(txn[0].input[0].previous_output.txid, funding_tx.txid()); - } - - for monitor in node_0_monitors.drain(..) { - assert_eq!(nodes[0].chain_monitor.watch_channel(monitor.get_funding_txo().0, monitor), - ChannelMonitorUpdateStatus::Completed); - check_added_monitors!(nodes[0], 1); - } - nodes[0].node = &nodes_0_deserialized; - check_closed_event!(nodes[0], 1, ClosureReason::OutdatedChannelManager); - - // nodes[1] and nodes[2] have no lost state with nodes[0]... - reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); - reconnect_nodes(&nodes[0], &nodes[2], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); - //... and we can even still claim the payment! - claim_payment(&nodes[2], &[&nodes[0], &nodes[1]], our_payment_preimage); - - nodes[3].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - let reestablish = get_chan_reestablish_msgs!(nodes[3], nodes[0]).pop().unwrap(); - nodes[0].node.peer_connected(&nodes[3].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - nodes[0].node.handle_channel_reestablish(&nodes[3].node.get_our_node_id(), &reestablish); - let mut found_err = false; - for msg_event in nodes[0].node.get_and_clear_pending_msg_events() { - if let MessageSendEvent::HandleError { ref action, .. } = msg_event { - match action { - &ErrorAction::SendErrorMessage { ref msg } => { - assert_eq!(msg.channel_id, channel_id); - assert!(!found_err); - found_err = true; - }, - _ => panic!("Unexpected event!"), - } - } - } - assert!(found_err); -} - macro_rules! check_spendable_outputs { ($node: expr, $keysinterface: expr) => { { @@ -7326,124 +6899,6 @@ fn test_user_configurable_csv_delay() { } else { assert!(false); } } -fn do_test_data_loss_protect(reconnect_panicing: bool) { - // When we get a data_loss_protect proving we're behind, we immediately panic as the - // chain::Watch API requirements have been violated (e.g. the user restored from a backup). The - // panic message informs the user they should force-close without broadcasting, which is tested - // if `reconnect_panicing` is not set. - let mut chanmon_cfgs = create_chanmon_cfgs(2); - // We broadcast during Drop because chanmon is out of sync with chanmgr, which would cause a panic - // during signing due to revoked tx - chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true; - let persister; - let new_chain_monitor; - let nodes_0_deserialized; - 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_with_value(&nodes, 0, 1, 1000000, 1000000, channelmanager::provided_init_features(), channelmanager::provided_init_features()); - - // Cache node A state before any channel update - let previous_node_state = nodes[0].node.encode(); - let previous_chain_monitor_state = get_monitor!(nodes[0], chan.2).encode(); - - send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000); - send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000); - - nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false); - nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); - - reload_node!(nodes[0], previous_node_state, &[&previous_chain_monitor_state], persister, new_chain_monitor, nodes_0_deserialized); - - if reconnect_panicing { - nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - - let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]); - - // Check we close channel detecting A is fallen-behind - // Check that we sent the warning message when we detected that A has fallen behind, - // and give the possibility for A to recover from the warning. - nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &reestablish_1[0]); - let warn_msg = "Peer attempted to reestablish channel with a very old local commitment transaction".to_owned(); - assert!(check_warn_msg!(nodes[1], nodes[0].node.get_our_node_id(), chan.2).contains(&warn_msg)); - - { - let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().clone(); - // The node B should not broadcast the transaction to force close the channel! - assert!(node_txn.is_empty()); - } - - let reestablish_0 = get_chan_reestablish_msgs!(nodes[1], nodes[0]); - // Check A panics upon seeing proof it has fallen behind. - nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &reestablish_0[0]); - return; // By this point we should have panic'ed! - } - - nodes[0].node.force_close_without_broadcasting_txn(&chan.2, &nodes[1].node.get_our_node_id()).unwrap(); - check_added_monitors!(nodes[0], 1); - check_closed_event!(nodes[0], 1, ClosureReason::HolderForceClosed); - { - let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); - assert_eq!(node_txn.len(), 0); - } - - for msg in nodes[0].node.get_and_clear_pending_msg_events() { - if let MessageSendEvent::BroadcastChannelUpdate { .. } = msg { - } else if let MessageSendEvent::HandleError { ref action, .. } = msg { - match action { - &ErrorAction::SendErrorMessage { ref msg } => { - assert_eq!(msg.data, "Channel force-closed"); - }, - _ => panic!("Unexpected event!"), - } - } else { - panic!("Unexpected event {:?}", msg) - } - } - - // after the warning message sent by B, we should not able to - // use the channel, or reconnect with success to the channel. - assert!(nodes[0].node.list_usable_channels().is_empty()); - nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - let retry_reestablish = get_chan_reestablish_msgs!(nodes[1], nodes[0]); - - nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &retry_reestablish[0]); - let mut err_msgs_0 = Vec::with_capacity(1); - for msg in nodes[0].node.get_and_clear_pending_msg_events() { - if let MessageSendEvent::HandleError { ref action, .. } = msg { - match action { - &ErrorAction::SendErrorMessage { ref msg } => { - assert_eq!(msg.data, "Failed to find corresponding channel"); - err_msgs_0.push(msg.clone()); - }, - _ => panic!("Unexpected event!"), - } - } else { - panic!("Unexpected event!"); - } - } - assert_eq!(err_msgs_0.len(), 1); - nodes[1].node.handle_error(&nodes[0].node.get_our_node_id(), &err_msgs_0[0]); - assert!(nodes[1].node.list_usable_channels().is_empty()); - check_added_monitors!(nodes[1], 1); - check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyForceClosed { peer_msg: "Failed to find corresponding channel".to_owned() }); - check_closed_broadcast!(nodes[1], false); -} - -#[test] -#[should_panic] -fn test_data_loss_protect_showing_stale_state_panics() { - do_test_data_loss_protect(true); -} - -#[test] -fn test_force_close_without_broadcast() { - do_test_data_loss_protect(false); -} - #[test] fn test_check_htlc_underpaying() { // Send payment through A -> B but A is maliciously @@ -9462,82 +8917,6 @@ fn test_tx_confirmed_skipping_blocks_immediate_broadcast() { do_test_tx_confirmed_skipping_blocks_immediate_broadcast(true); } -#[test] -fn test_forwardable_regen() { - // Tests that if we reload a ChannelManager while forwards are pending we will regenerate the - // PendingHTLCsForwardable event automatically, ensuring we don't forget to forward/receive - // HTLCs. - // We test it for both payment receipt and payment forwarding. - - 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 persister: test_utils::TestPersister; - let new_chain_monitor: test_utils::TestChainMonitor; - let nodes_1_deserialized: ChannelManager<&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(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features()).2; - let chan_id_2 = create_announced_chan_between_nodes(&nodes, 1, 2, channelmanager::provided_init_features(), channelmanager::provided_init_features()).2; - - // First send a payment to nodes[1] - let (route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], 100_000); - nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap(); - check_added_monitors!(nodes[0], 1); - - let mut events = nodes[0].node.get_and_clear_pending_msg_events(); - assert_eq!(events.len(), 1); - let payment_event = SendEvent::from_event(events.pop().unwrap()); - 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); - - expect_pending_htlcs_forwardable_ignore!(nodes[1]); - - // Next send a payment which is forwarded by nodes[1] - let (route_2, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[2], 200_000); - nodes[0].node.send_payment(&route_2, payment_hash_2, &Some(payment_secret_2), PaymentId(payment_hash_2.0)).unwrap(); - check_added_monitors!(nodes[0], 1); - - let mut events = nodes[0].node.get_and_clear_pending_msg_events(); - assert_eq!(events.len(), 1); - let payment_event = SendEvent::from_event(events.pop().unwrap()); - 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); - - // There is already a PendingHTLCsForwardable event "pending" so another one will not be - // generated - assert!(nodes[1].node.get_and_clear_pending_events().is_empty()); - - // Now restart nodes[1] and make sure it regenerates a single PendingHTLCsForwardable - 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 chan_0_monitor_serialized = get_monitor!(nodes[1], chan_id_1).encode(); - let chan_1_monitor_serialized = get_monitor!(nodes[1], chan_id_2).encode(); - reload_node!(nodes[1], nodes[1].node.encode(), &[&chan_0_monitor_serialized, &chan_1_monitor_serialized], persister, new_chain_monitor, nodes_1_deserialized); - - reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); - // Note that nodes[1] and nodes[2] resend their channel_ready here since they haven't updated - // the commitment state. - reconnect_nodes(&nodes[1], &nodes[2], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); - - assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); - - expect_pending_htlcs_forwardable!(nodes[1]); - expect_payment_received!(nodes[1], payment_hash, payment_secret, 100_000); - check_added_monitors!(nodes[1], 1); - - let mut events = nodes[1].node.get_and_clear_pending_msg_events(); - assert_eq!(events.len(), 1); - let payment_event = SendEvent::from_event(events.pop().unwrap()); - nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &payment_event.msgs[0]); - commitment_signed_dance!(nodes[2], nodes[1], payment_event.commitment_msg, false); - expect_pending_htlcs_forwardable!(nodes[2]); - expect_payment_received!(nodes[2], payment_hash_2, payment_secret_2, 200_000); - - claim_payment(&nodes[0], &[&nodes[1]], payment_preimage); - claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage_2); -} - fn do_test_dup_htlc_second_rejected(test_for_second_fail_panic: bool) { let chanmon_cfgs = create_chanmon_cfgs(2); let node_cfgs = create_node_cfgs(2, &chanmon_cfgs); @@ -9864,168 +9243,6 @@ fn test_double_partial_claim() { assert!(nodes[3].node.get_and_clear_pending_msg_events().is_empty()); } -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. - // - // Further, we should generate a `PaymentClaimed` event to inform the user that the payment was - // definitely claimed. - 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<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>; - - let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs); - - create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100_000, 0, channelmanager::provided_init_features(), channelmanager::provided_init_features()); - create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 100_000, 0, channelmanager::provided_init_features(), channelmanager::provided_init_features()); - let chan_id_persisted = create_announced_chan_between_nodes_with_value(&nodes, 1, 3, 100_000, 0, channelmanager::provided_init_features(), channelmanager::provided_init_features()).2; - let chan_id_not_persisted = create_announced_chan_between_nodes_with_value(&nodes, 2, 3, 100_000, 0, channelmanager::provided_init_features(), channelmanager::provided_init_features()).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), PaymentId(payment_hash.0)).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 original_manager = nodes[3].node.encode(); - - 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); - expect_payment_claimed!(nodes[3], payment_hash, 15_000_000); - - // 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]. - reload_node!(nodes[3], original_manager, &[&updated_monitor.0, &original_monitor.0], persister, new_chain_monitor, nodes_3_deserialized); - - // On startup the preimage should have been copied into the non-persisted monitor: - assert!(get_monitor!(nodes[3], chan_id_persisted).get_stored_preimages().contains_key(&payment_hash)); - assert!(get_monitor!(nodes[3], chan_id_not_persisted).get_stored_preimages().contains_key(&payment_hash)); - - 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 { 4 } else { 3 }); - if let Event::PaymentReceived { amount_msat: 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!(); } - } - - // On restart, we should also get a duplicate PaymentClaimed event as we persisted the - // ChannelManager prior to handling the original one. - if let Event::PaymentClaimed { payment_hash: our_payment_hash, amount_msat: 15_000_000, .. } = - events[if persist_both_monitors { 3 } else { 2 }] - { - assert_eq!(payment_hash, our_payment_hash); - } 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: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - 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: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); - 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 { diff --git a/lightning/src/ln/mod.rs b/lightning/src/ln/mod.rs index 4c830cf1f..bdf3e8029 100644 --- a/lightning/src/ln/mod.rs +++ b/lightning/src/ln/mod.rs @@ -67,6 +67,9 @@ mod chanmon_update_fail_tests; mod reorg_tests; #[cfg(test)] #[allow(unused_mut)] +mod reload_tests; +#[cfg(test)] +#[allow(unused_mut)] mod onion_route_tests; #[cfg(test)] #[allow(unused_mut)] diff --git a/lightning/src/ln/reload_tests.rs b/lightning/src/ln/reload_tests.rs new file mode 100644 index 000000000..dc3d53922 --- /dev/null +++ b/lightning/src/ln/reload_tests.rs @@ -0,0 +1,813 @@ +// This file is Copyright its original authors, visible in version control +// history. +// +// This file is licensed under the Apache License, Version 2.0 or the MIT license +// , at your option. +// You may not use this file except in accordance with one or both of these +// licenses. + +//! Functional tests which test for correct behavior across node restarts. + +use crate::chain::{ChannelMonitorUpdateStatus, Watch}; +use crate::chain::channelmonitor::ChannelMonitor; +use crate::chain::transaction::OutPoint; +use crate::ln::channelmanager::{self, ChannelManager, ChannelManagerReadArgs, PaymentId}; +use crate::ln::msgs; +use crate::ln::msgs::{ChannelMessageHandler, RoutingMessageHandler, ErrorAction}; +use crate::util::enforcing_trait_impls::EnforcingSigner; +use crate::util::test_utils; +use crate::util::events::{Event, MessageSendEvent, MessageSendEventsProvider, ClosureReason}; +use crate::util::ser::{Writeable, ReadableArgs}; +use crate::util::config::UserConfig; + +use bitcoin::hash_types::BlockHash; + +use crate::prelude::*; +use core::default::Default; +use crate::sync::Mutex; + +use crate::ln::functional_test_utils::*; + +#[test] +fn test_funding_peer_disconnect() { + // Test that we can lock in our funding tx while disconnected + 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 persister: test_utils::TestPersister; + let new_chain_monitor: test_utils::TestChainMonitor; + let nodes_0_deserialized: ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>; + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 100000, 10001, channelmanager::provided_init_features(), channelmanager::provided_init_features()); + + nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false); + nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); + + confirm_transaction(&nodes[0], &tx); + let events_1 = nodes[0].node.get_and_clear_pending_msg_events(); + assert!(events_1.is_empty()); + + reconnect_nodes(&nodes[0], &nodes[1], (false, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); + + nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false); + nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); + + confirm_transaction(&nodes[1], &tx); + let events_2 = nodes[1].node.get_and_clear_pending_msg_events(); + assert!(events_2.is_empty()); + + nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + let as_reestablish = get_chan_reestablish_msgs!(nodes[0], nodes[1]).pop().unwrap(); + nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + let bs_reestablish = get_chan_reestablish_msgs!(nodes[1], nodes[0]).pop().unwrap(); + + // nodes[0] hasn't yet received a channel_ready, so it only sends that on reconnect. + nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reestablish); + let events_3 = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events_3.len(), 1); + let as_channel_ready = match events_3[0] { + MessageSendEvent::SendChannelReady { ref node_id, ref msg } => { + assert_eq!(*node_id, nodes[1].node.get_our_node_id()); + msg.clone() + }, + _ => panic!("Unexpected event {:?}", events_3[0]), + }; + + // nodes[1] received nodes[0]'s channel_ready on the first reconnect above, so it should send + // announcement_signatures as well as channel_update. + nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reestablish); + let events_4 = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(events_4.len(), 3); + let chan_id; + let bs_channel_ready = match events_4[0] { + MessageSendEvent::SendChannelReady { ref node_id, ref msg } => { + assert_eq!(*node_id, nodes[0].node.get_our_node_id()); + chan_id = msg.channel_id; + msg.clone() + }, + _ => panic!("Unexpected event {:?}", events_4[0]), + }; + let bs_announcement_sigs = match events_4[1] { + MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => { + assert_eq!(*node_id, nodes[0].node.get_our_node_id()); + msg.clone() + }, + _ => panic!("Unexpected event {:?}", events_4[1]), + }; + match events_4[2] { + MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } => { + assert_eq!(*node_id, nodes[0].node.get_our_node_id()); + }, + _ => panic!("Unexpected event {:?}", events_4[2]), + } + + // Re-deliver nodes[0]'s channel_ready, which nodes[1] can safely ignore. It currently + // generates a duplicative private channel_update + nodes[1].node.handle_channel_ready(&nodes[0].node.get_our_node_id(), &as_channel_ready); + let events_5 = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(events_5.len(), 1); + match events_5[0] { + MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } => { + assert_eq!(*node_id, nodes[0].node.get_our_node_id()); + }, + _ => panic!("Unexpected event {:?}", events_5[0]), + }; + + // When we deliver nodes[1]'s channel_ready, however, nodes[0] will generate its + // announcement_signatures. + nodes[0].node.handle_channel_ready(&nodes[1].node.get_our_node_id(), &bs_channel_ready); + let events_6 = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events_6.len(), 1); + let as_announcement_sigs = match events_6[0] { + MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => { + assert_eq!(*node_id, nodes[1].node.get_our_node_id()); + msg.clone() + }, + _ => panic!("Unexpected event {:?}", events_6[0]), + }; + expect_channel_ready_event(&nodes[0], &nodes[1].node.get_our_node_id()); + expect_channel_ready_event(&nodes[1], &nodes[0].node.get_our_node_id()); + + // When we deliver nodes[1]'s announcement_signatures to nodes[0], nodes[0] should immediately + // broadcast the channel announcement globally, as well as re-send its (now-public) + // channel_update. + nodes[0].node.handle_announcement_signatures(&nodes[1].node.get_our_node_id(), &bs_announcement_sigs); + let events_7 = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events_7.len(), 1); + let (chan_announcement, as_update) = match events_7[0] { + MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => { + (msg.clone(), update_msg.clone()) + }, + _ => panic!("Unexpected event {:?}", events_7[0]), + }; + + // Finally, deliver nodes[0]'s announcement_signatures to nodes[1] and make sure it creates the + // same channel_announcement. + nodes[1].node.handle_announcement_signatures(&nodes[0].node.get_our_node_id(), &as_announcement_sigs); + let events_8 = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(events_8.len(), 1); + let bs_update = match events_8[0] { + MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => { + assert_eq!(*msg, chan_announcement); + update_msg.clone() + }, + _ => panic!("Unexpected event {:?}", events_8[0]), + }; + + // Provide the channel announcement and public updates to the network graph + nodes[0].gossip_sync.handle_channel_announcement(&chan_announcement).unwrap(); + nodes[0].gossip_sync.handle_channel_update(&bs_update).unwrap(); + nodes[0].gossip_sync.handle_channel_update(&as_update).unwrap(); + + let (route, _, _, _) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000); + let payment_preimage = send_along_route(&nodes[0], route, &[&nodes[1]], 1000000).0; + claim_payment(&nodes[0], &[&nodes[1]], payment_preimage); + + // Check that after deserialization and reconnection we can still generate an identical + // channel_announcement from the cached signatures. + nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); + + let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode(); + + reload_node!(nodes[0], &nodes[0].node.encode(), &[&chan_0_monitor_serialized], persister, new_chain_monitor, nodes_0_deserialized); + + reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); +} + +#[test] +fn test_no_txn_manager_serialize_deserialize() { + 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 persister: test_utils::TestPersister; + let new_chain_monitor: test_utils::TestChainMonitor; + let nodes_0_deserialized: ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>; + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + + let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 100000, 10001, channelmanager::provided_init_features(), channelmanager::provided_init_features()); + + nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); + + let chan_0_monitor_serialized = + get_monitor!(nodes[0], OutPoint { txid: tx.txid(), index: 0 }.to_channel_id()).encode(); + reload_node!(nodes[0], nodes[0].node.encode(), &[&chan_0_monitor_serialized], persister, new_chain_monitor, nodes_0_deserialized); + + nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]); + nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + let reestablish_2 = get_chan_reestablish_msgs!(nodes[1], nodes[0]); + + nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &reestablish_1[0]); + assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); + nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &reestablish_2[0]); + assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); + + let (channel_ready, _) = create_chan_between_nodes_with_value_confirm(&nodes[0], &nodes[1], &tx); + let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &channel_ready); + for node in nodes.iter() { + assert!(node.gossip_sync.handle_channel_announcement(&announcement).unwrap()); + node.gossip_sync.handle_channel_update(&as_update).unwrap(); + node.gossip_sync.handle_channel_update(&bs_update).unwrap(); + } + + send_payment(&nodes[0], &[&nodes[1]], 1000000); +} + +#[test] +fn test_manager_serialize_deserialize_events() { + // This test makes sure the events field in ChannelManager survives de/serialization + 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 persister: test_utils::TestPersister; + let new_chain_monitor: test_utils::TestChainMonitor; + let nodes_0_deserialized: ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>; + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + + // Start creating a channel, but stop right before broadcasting the funding transaction + let channel_value = 100000; + let push_msat = 10001; + let a_flags = channelmanager::provided_init_features(); + let b_flags = channelmanager::provided_init_features(); + let node_a = nodes.remove(0); + let node_b = nodes.remove(0); + node_a.node.create_channel(node_b.node.get_our_node_id(), channel_value, push_msat, 42, None).unwrap(); + 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, &node_b.node.get_our_node_id(), channel_value, 42); + + 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())); + { + let mut added_monitors = node_b.chain_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 1); + assert_eq!(added_monitors[0].0, funding_output); + added_monitors.clear(); + } + + let bs_funding_signed = get_event_msg!(node_b, MessageSendEvent::SendFundingSigned, node_a.node.get_our_node_id()); + node_a.node.handle_funding_signed(&node_b.node.get_our_node_id(), &bs_funding_signed); + { + let mut added_monitors = node_a.chain_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 1); + assert_eq!(added_monitors[0].0, funding_output); + added_monitors.clear(); + } + // Normally, this is where node_a would broadcast the funding transaction, but the test de/serializes first instead + + nodes.push(node_a); + nodes.push(node_b); + + // Start the de/seriailization process mid-channel creation to check that the channel manager will hold onto events that are serialized + let chan_0_monitor_serialized = get_monitor!(nodes[0], bs_funding_signed.channel_id).encode(); + reload_node!(nodes[0], nodes[0].node.encode(), &[&chan_0_monitor_serialized], persister, new_chain_monitor, nodes_0_deserialized); + + nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); + + // After deserializing, make sure the funding_transaction is still held by the channel manager + let events_4 = nodes[0].node.get_and_clear_pending_events(); + assert_eq!(events_4.len(), 0); + assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1); + assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap()[0].txid(), funding_output.txid); + + // Make sure the channel is functioning as though the de/serialization never happened + assert_eq!(nodes[0].node.list_channels().len(), 1); + + nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]); + nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + let reestablish_2 = get_chan_reestablish_msgs!(nodes[1], nodes[0]); + + nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &reestablish_1[0]); + assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); + nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &reestablish_2[0]); + assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); + + let (channel_ready, _) = create_chan_between_nodes_with_value_confirm(&nodes[0], &nodes[1], &tx); + let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &channel_ready); + for node in nodes.iter() { + assert!(node.gossip_sync.handle_channel_announcement(&announcement).unwrap()); + node.gossip_sync.handle_channel_update(&as_update).unwrap(); + node.gossip_sync.handle_channel_update(&bs_update).unwrap(); + } + + send_payment(&nodes[0], &[&nodes[1]], 1000000); +} + +#[test] +fn test_simple_manager_serialize_deserialize() { + 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 persister: test_utils::TestPersister; + let new_chain_monitor: test_utils::TestChainMonitor; + let nodes_0_deserialized: ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>; + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + let chan_id = create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features()).2; + + let (our_payment_preimage, _, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000); + let (_, our_payment_hash, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000); + + nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); + + let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode(); + reload_node!(nodes[0], nodes[0].node.encode(), &[&chan_0_monitor_serialized], persister, new_chain_monitor, nodes_0_deserialized); + + reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); + + fail_payment(&nodes[0], &[&nodes[1]], our_payment_hash); + claim_payment(&nodes[0], &[&nodes[1]], our_payment_preimage); +} + +#[test] +fn test_manager_serialize_deserialize_inconsistent_monitor() { + // Test deserializing a ChannelManager with an out-of-date ChannelMonitor + 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 logger: test_utils::TestLogger; + let fee_estimator: test_utils::TestFeeEstimator; + let persister: test_utils::TestPersister; + let new_chain_monitor: test_utils::TestChainMonitor; + let nodes_0_deserialized: ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>; + let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs); + let chan_id_1 = create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features()).2; + let chan_id_2 = create_announced_chan_between_nodes(&nodes, 2, 0, channelmanager::provided_init_features(), channelmanager::provided_init_features()).2; + let (_, _, channel_id, funding_tx) = create_announced_chan_between_nodes(&nodes, 0, 3, channelmanager::provided_init_features(), channelmanager::provided_init_features()); + + let mut node_0_stale_monitors_serialized = Vec::new(); + for chan_id_iter in &[chan_id_1, chan_id_2, channel_id] { + let mut writer = test_utils::TestVecWriter(Vec::new()); + get_monitor!(nodes[0], chan_id_iter).write(&mut writer).unwrap(); + node_0_stale_monitors_serialized.push(writer.0); + } + + let (our_payment_preimage, _, _) = route_payment(&nodes[2], &[&nodes[0], &nodes[1]], 1000000); + + // Serialize the ChannelManager here, but the monitor we keep up-to-date + let nodes_0_serialized = nodes[0].node.encode(); + + route_payment(&nodes[0], &[&nodes[3]], 1000000); + nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); + nodes[2].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); + nodes[3].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); + + // Now the ChannelMonitor (which is now out-of-sync with ChannelManager for channel w/ + // nodes[3]) + let mut node_0_monitors_serialized = Vec::new(); + for chan_id_iter in &[chan_id_1, chan_id_2, channel_id] { + node_0_monitors_serialized.push(get_monitor!(nodes[0], chan_id_iter).encode()); + } + + logger = test_utils::TestLogger::new(); + fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }; + persister = test_utils::TestPersister::new(); + let keys_manager = &chanmon_cfgs[0].keys_manager; + new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister, keys_manager); + nodes[0].chain_monitor = &new_chain_monitor; + + + let mut node_0_stale_monitors = Vec::new(); + for serialized in node_0_stale_monitors_serialized.iter() { + let mut read = &serialized[..]; + let (_, monitor) = <(BlockHash, ChannelMonitor)>::read(&mut read, keys_manager).unwrap(); + assert!(read.is_empty()); + node_0_stale_monitors.push(monitor); + } + + let mut node_0_monitors = Vec::new(); + for serialized in node_0_monitors_serialized.iter() { + let mut read = &serialized[..]; + let (_, monitor) = <(BlockHash, ChannelMonitor)>::read(&mut read, keys_manager).unwrap(); + assert!(read.is_empty()); + node_0_monitors.push(monitor); + } + + let mut nodes_0_read = &nodes_0_serialized[..]; + if let Err(msgs::DecodeError::InvalidValue) = + <(BlockHash, ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs { + default_config: UserConfig::default(), + keys_manager, + fee_estimator: &fee_estimator, + chain_monitor: nodes[0].chain_monitor, + tx_broadcaster: nodes[0].tx_broadcaster.clone(), + logger: &logger, + channel_monitors: node_0_stale_monitors.iter_mut().map(|monitor| { (monitor.get_funding_txo().0, monitor) }).collect(), + }) { } else { + panic!("If the monitor(s) are stale, this indicates a bug and we should get an Err return"); + }; + + let mut nodes_0_read = &nodes_0_serialized[..]; + let (_, nodes_0_deserialized_tmp) = + <(BlockHash, ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs { + default_config: UserConfig::default(), + keys_manager, + fee_estimator: &fee_estimator, + chain_monitor: nodes[0].chain_monitor, + tx_broadcaster: nodes[0].tx_broadcaster.clone(), + logger: &logger, + channel_monitors: node_0_monitors.iter_mut().map(|monitor| { (monitor.get_funding_txo().0, monitor) }).collect(), + }).unwrap(); + nodes_0_deserialized = nodes_0_deserialized_tmp; + assert!(nodes_0_read.is_empty()); + + { // Channel close should result in a commitment tx + let txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); + assert_eq!(txn.len(), 1); + check_spends!(txn[0], funding_tx); + assert_eq!(txn[0].input[0].previous_output.txid, funding_tx.txid()); + } + + for monitor in node_0_monitors.drain(..) { + assert_eq!(nodes[0].chain_monitor.watch_channel(monitor.get_funding_txo().0, monitor), + ChannelMonitorUpdateStatus::Completed); + check_added_monitors!(nodes[0], 1); + } + nodes[0].node = &nodes_0_deserialized; + check_closed_event!(nodes[0], 1, ClosureReason::OutdatedChannelManager); + + // nodes[1] and nodes[2] have no lost state with nodes[0]... + reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); + reconnect_nodes(&nodes[0], &nodes[2], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); + //... and we can even still claim the payment! + claim_payment(&nodes[2], &[&nodes[0], &nodes[1]], our_payment_preimage); + + nodes[3].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + let reestablish = get_chan_reestablish_msgs!(nodes[3], nodes[0]).pop().unwrap(); + nodes[0].node.peer_connected(&nodes[3].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + nodes[0].node.handle_channel_reestablish(&nodes[3].node.get_our_node_id(), &reestablish); + let mut found_err = false; + for msg_event in nodes[0].node.get_and_clear_pending_msg_events() { + if let MessageSendEvent::HandleError { ref action, .. } = msg_event { + match action { + &ErrorAction::SendErrorMessage { ref msg } => { + assert_eq!(msg.channel_id, channel_id); + assert!(!found_err); + found_err = true; + }, + _ => panic!("Unexpected event!"), + } + } + } + assert!(found_err); +} + +fn do_test_data_loss_protect(reconnect_panicing: bool) { + // When we get a data_loss_protect proving we're behind, we immediately panic as the + // chain::Watch API requirements have been violated (e.g. the user restored from a backup). The + // panic message informs the user they should force-close without broadcasting, which is tested + // if `reconnect_panicing` is not set. + let mut chanmon_cfgs = create_chanmon_cfgs(2); + // We broadcast during Drop because chanmon is out of sync with chanmgr, which would cause a panic + // during signing due to revoked tx + chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true; + let persister; + let new_chain_monitor; + let nodes_0_deserialized; + 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_with_value(&nodes, 0, 1, 1000000, 1000000, channelmanager::provided_init_features(), channelmanager::provided_init_features()); + + // Cache node A state before any channel update + let previous_node_state = nodes[0].node.encode(); + let previous_chain_monitor_state = get_monitor!(nodes[0], chan.2).encode(); + + send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000); + send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000); + + nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false); + nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); + + reload_node!(nodes[0], previous_node_state, &[&previous_chain_monitor_state], persister, new_chain_monitor, nodes_0_deserialized); + + if reconnect_panicing { + nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + + let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]); + + // Check we close channel detecting A is fallen-behind + // Check that we sent the warning message when we detected that A has fallen behind, + // and give the possibility for A to recover from the warning. + nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &reestablish_1[0]); + let warn_msg = "Peer attempted to reestablish channel with a very old local commitment transaction".to_owned(); + assert!(check_warn_msg!(nodes[1], nodes[0].node.get_our_node_id(), chan.2).contains(&warn_msg)); + + { + let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().clone(); + // The node B should not broadcast the transaction to force close the channel! + assert!(node_txn.is_empty()); + } + + let reestablish_0 = get_chan_reestablish_msgs!(nodes[1], nodes[0]); + // Check A panics upon seeing proof it has fallen behind. + nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &reestablish_0[0]); + return; // By this point we should have panic'ed! + } + + nodes[0].node.force_close_without_broadcasting_txn(&chan.2, &nodes[1].node.get_our_node_id()).unwrap(); + check_added_monitors!(nodes[0], 1); + check_closed_event!(nodes[0], 1, ClosureReason::HolderForceClosed); + { + let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap(); + assert_eq!(node_txn.len(), 0); + } + + for msg in nodes[0].node.get_and_clear_pending_msg_events() { + if let MessageSendEvent::BroadcastChannelUpdate { .. } = msg { + } else if let MessageSendEvent::HandleError { ref action, .. } = msg { + match action { + &ErrorAction::SendErrorMessage { ref msg } => { + assert_eq!(msg.data, "Channel force-closed"); + }, + _ => panic!("Unexpected event!"), + } + } else { + panic!("Unexpected event {:?}", msg) + } + } + + // after the warning message sent by B, we should not able to + // use the channel, or reconnect with success to the channel. + assert!(nodes[0].node.list_usable_channels().is_empty()); + nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + let retry_reestablish = get_chan_reestablish_msgs!(nodes[1], nodes[0]); + + nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &retry_reestablish[0]); + let mut err_msgs_0 = Vec::with_capacity(1); + for msg in nodes[0].node.get_and_clear_pending_msg_events() { + if let MessageSendEvent::HandleError { ref action, .. } = msg { + match action { + &ErrorAction::SendErrorMessage { ref msg } => { + assert_eq!(msg.data, "Failed to find corresponding channel"); + err_msgs_0.push(msg.clone()); + }, + _ => panic!("Unexpected event!"), + } + } else { + panic!("Unexpected event!"); + } + } + assert_eq!(err_msgs_0.len(), 1); + nodes[1].node.handle_error(&nodes[0].node.get_our_node_id(), &err_msgs_0[0]); + assert!(nodes[1].node.list_usable_channels().is_empty()); + check_added_monitors!(nodes[1], 1); + check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyForceClosed { peer_msg: "Failed to find corresponding channel".to_owned() }); + check_closed_broadcast!(nodes[1], false); +} + +#[test] +#[should_panic] +fn test_data_loss_protect_showing_stale_state_panics() { + do_test_data_loss_protect(true); +} + +#[test] +fn test_force_close_without_broadcast() { + do_test_data_loss_protect(false); +} + +#[test] +fn test_forwardable_regen() { + // Tests that if we reload a ChannelManager while forwards are pending we will regenerate the + // PendingHTLCsForwardable event automatically, ensuring we don't forget to forward/receive + // HTLCs. + // We test it for both payment receipt and payment forwarding. + + 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 persister: test_utils::TestPersister; + let new_chain_monitor: test_utils::TestChainMonitor; + let nodes_1_deserialized: ChannelManager<&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(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features()).2; + let chan_id_2 = create_announced_chan_between_nodes(&nodes, 1, 2, channelmanager::provided_init_features(), channelmanager::provided_init_features()).2; + + // First send a payment to nodes[1] + let (route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], 100_000); + nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap(); + check_added_monitors!(nodes[0], 1); + + let mut events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + let payment_event = SendEvent::from_event(events.pop().unwrap()); + 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); + + expect_pending_htlcs_forwardable_ignore!(nodes[1]); + + // Next send a payment which is forwarded by nodes[1] + let (route_2, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[2], 200_000); + nodes[0].node.send_payment(&route_2, payment_hash_2, &Some(payment_secret_2), PaymentId(payment_hash_2.0)).unwrap(); + check_added_monitors!(nodes[0], 1); + + let mut events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + let payment_event = SendEvent::from_event(events.pop().unwrap()); + 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); + + // There is already a PendingHTLCsForwardable event "pending" so another one will not be + // generated + assert!(nodes[1].node.get_and_clear_pending_events().is_empty()); + + // Now restart nodes[1] and make sure it regenerates a single PendingHTLCsForwardable + 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 chan_0_monitor_serialized = get_monitor!(nodes[1], chan_id_1).encode(); + let chan_1_monitor_serialized = get_monitor!(nodes[1], chan_id_2).encode(); + reload_node!(nodes[1], nodes[1].node.encode(), &[&chan_0_monitor_serialized, &chan_1_monitor_serialized], persister, new_chain_monitor, nodes_1_deserialized); + + reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); + // Note that nodes[1] and nodes[2] resend their channel_ready here since they haven't updated + // the commitment state. + reconnect_nodes(&nodes[1], &nodes[2], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); + + assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); + + expect_pending_htlcs_forwardable!(nodes[1]); + expect_payment_received!(nodes[1], payment_hash, payment_secret, 100_000); + check_added_monitors!(nodes[1], 1); + + let mut events = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + let payment_event = SendEvent::from_event(events.pop().unwrap()); + nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &payment_event.msgs[0]); + commitment_signed_dance!(nodes[2], nodes[1], payment_event.commitment_msg, false); + expect_pending_htlcs_forwardable!(nodes[2]); + expect_payment_received!(nodes[2], payment_hash_2, payment_secret_2, 200_000); + + claim_payment(&nodes[0], &[&nodes[1]], payment_preimage); + claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage_2); +} + +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. + // + // Further, we should generate a `PaymentClaimed` event to inform the user that the payment was + // definitely claimed. + 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<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>; + + let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs); + + create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100_000, 0, channelmanager::provided_init_features(), channelmanager::provided_init_features()); + create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 100_000, 0, channelmanager::provided_init_features(), channelmanager::provided_init_features()); + let chan_id_persisted = create_announced_chan_between_nodes_with_value(&nodes, 1, 3, 100_000, 0, channelmanager::provided_init_features(), channelmanager::provided_init_features()).2; + let chan_id_not_persisted = create_announced_chan_between_nodes_with_value(&nodes, 2, 3, 100_000, 0, channelmanager::provided_init_features(), channelmanager::provided_init_features()).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), PaymentId(payment_hash.0)).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 original_manager = nodes[3].node.encode(); + + 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); + expect_payment_claimed!(nodes[3], payment_hash, 15_000_000); + + // 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]. + reload_node!(nodes[3], original_manager, &[&updated_monitor.0, &original_monitor.0], persister, new_chain_monitor, nodes_3_deserialized); + + // On startup the preimage should have been copied into the non-persisted monitor: + assert!(get_monitor!(nodes[3], chan_id_persisted).get_stored_preimages().contains_key(&payment_hash)); + assert!(get_monitor!(nodes[3], chan_id_not_persisted).get_stored_preimages().contains_key(&payment_hash)); + + 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 { 4 } else { 3 }); + if let Event::PaymentReceived { amount_msat: 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!(); } + } + + // On restart, we should also get a duplicate PaymentClaimed event as we persisted the + // ChannelManager prior to handling the original one. + if let Event::PaymentClaimed { payment_hash: our_payment_hash, amount_msat: 15_000_000, .. } = + events[if persist_both_monitors { 3 } else { 2 }] + { + assert_eq!(payment_hash, our_payment_hash); + } 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: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + 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: channelmanager::provided_init_features(), remote_network_address: None }).unwrap(); + 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); +} -- 2.39.5