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};
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
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<EnforcingSigner>)>::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<EnforcingSigner>)>::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) => {
{
} 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
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);
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 {
--- /dev/null
+// This file is Copyright its original authors, visible in version control
+// history.
+//
+// This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
+// or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, 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<EnforcingSigner>)>::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<EnforcingSigner>)>::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);
+}
projects / rust-lightning / commitdiff