use bitcoin::blockdata::constants::genesis_block;
use bitcoin::hash_types::BlockHash;
use bitcoin::network::constants::Network;
-use chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr};
+use chain::channelmonitor::ChannelMonitor;
use chain::transaction::OutPoint;
-use chain::Listen;
-use chain::Watch;
+use chain::{ChannelMonitorUpdateErr, Listen, Watch};
use ln::{PaymentPreimage, PaymentHash};
use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure};
-use ln::features::{InitFeatures, InvoiceFeatures};
+use ln::features::InitFeatures;
use ln::msgs;
use ln::msgs::{ChannelMessageHandler, ErrorAction, RoutingMessageHandler};
-use routing::router::get_route;
use util::config::UserConfig;
use util::enforcing_trait_impls::EnforcingSigner;
-use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, PaymentPurpose};
+use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, PaymentPurpose, ClosureReason};
use util::errors::APIError;
use util::ser::{ReadableArgs, Writeable};
use util::test_utils::TestBroadcaster;
use prelude::*;
use sync::{Arc, Mutex};
-// If persister_fail is true, we have the persister return a PermanentFailure
-// instead of the higher-level ChainMonitor.
-fn do_test_simple_monitor_permanent_update_fail(persister_fail: bool) {
+#[test]
+fn test_simple_monitor_permanent_update_fail() {
// Test that we handle a simple permanent monitor update failure
- let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ let chanmon_cfgs = create_chanmon_cfgs(2);
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
- let logger = test_utils::TestLogger::new();
-
- let (_, payment_hash_1, payment_secret_1) = get_payment_preimage_hash!(&nodes[1]);
- match persister_fail {
- true => chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::PermanentFailure)),
- false => *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::PermanentFailure))
- }
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
+ let (route, payment_hash_1, _, payment_secret_1) = get_route_and_payment_hash!(&nodes[0], nodes[1], 1000000);
+ chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::PermanentFailure));
unwrap_send_err!(nodes[0].node.send_payment(&route, payment_hash_1, &Some(payment_secret_1)), true, APIError::ChannelUnavailable {..}, {});
check_added_monitors!(nodes[0], 2);
};
// TODO: Once we hit the chain with the failure transaction we should check that we get a
- // PaymentFailed event
+ // PaymentPathFailed event
assert_eq!(nodes[0].node.list_channels().len(), 0);
+ check_closed_event!(nodes[0], 1, ClosureReason::ProcessingError { err: "ChannelMonitor storage failure".to_string() });
}
#[test]
blocks: Arc::new(Mutex::new(vec![(genesis_block(Network::Testnet).header, 200); 200])),
};
let chain_mon = {
- let monitors = nodes[0].chain_monitor.chain_monitor.monitors.read().unwrap();
- let monitor = monitors.get(&outpoint).unwrap();
+ let monitor = nodes[0].chain_monitor.chain_monitor.get_monitor(outpoint).unwrap();
let mut w = test_utils::TestVecWriter(Vec::new());
monitor.write(&mut w).unwrap();
let new_monitor = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(
assert_eq!(updates.update_fulfill_htlcs.len(), 1);
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
if let Some(ref mut channel) = nodes[0].node.channel_state.lock().unwrap().by_id.get_mut(&chan.2) {
- if let Ok((_, _, _, update)) = channel.commitment_signed(&updates.commitment_signed, &node_cfgs[0].fee_estimator, &node_cfgs[0].logger) {
+ if let Ok((_, _, update)) = channel.commitment_signed(&updates.commitment_signed, &node_cfgs[0].logger) {
// Check that even though the persister is returning a TemporaryFailure,
// because the update is bogus, ultimately the error that's returned
// should be a PermanentFailure.
if let Err(ChannelMonitorUpdateErr::PermanentFailure) = chain_mon.chain_monitor.update_channel(outpoint, update.clone()) {} else { panic!("Expected monitor error to be permanent"); }
- logger.assert_log_contains("lightning::chain::chainmonitor".to_string(), "Failed to persist channel monitor update: TemporaryFailure".to_string(), 1);
+ logger.assert_log_regex("lightning::chain::chainmonitor".to_string(), regex::Regex::new("Failed to persist ChannelMonitor update for channel [0-9a-f]*: TemporaryFailure").unwrap(), 1);
if let Ok(_) = nodes[0].chain_monitor.update_channel(outpoint, update) {} else { assert!(false); }
} else { assert!(false); }
} else { assert!(false); };
assert_eq!(events.len(), 1);
}
-#[test]
-fn test_simple_monitor_permanent_update_fail() {
- do_test_simple_monitor_permanent_update_fail(false);
-
- // Test behavior when the persister returns a PermanentFailure.
- do_test_simple_monitor_permanent_update_fail(true);
-}
-
-// If persister_fail is true, we have the persister return a TemporaryFailure instead of the
-// higher-level ChainMonitor.
-fn do_test_simple_monitor_temporary_update_fail(disconnect: bool, persister_fail: bool) {
+fn do_test_simple_monitor_temporary_update_fail(disconnect: bool) {
// Test that we can recover from a simple temporary monitor update failure optionally with
// a disconnect in between
- let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ let chanmon_cfgs = create_chanmon_cfgs(2);
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
- let logger = test_utils::TestLogger::new();
- let (payment_preimage_1, payment_hash_1, payment_secret_1) = get_payment_preimage_hash!(&nodes[1]);
+ let (route, payment_hash_1, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(&nodes[0], nodes[1], 1000000);
- match persister_fail {
- true => chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure)),
- false => *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure))
- }
+ chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
{
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
unwrap_send_err!(nodes[0].node.send_payment(&route, payment_hash_1, &Some(payment_secret_1)), false, APIError::MonitorUpdateFailed, {});
check_added_monitors!(nodes[0], 1);
}
reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
}
- match persister_fail {
- true => chanmon_cfgs[0].persister.set_update_ret(Ok(())),
- false => *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()))
- }
- let (outpoint, latest_update) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[0].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[0], 0);
let mut events_2 = nodes[0].node.get_and_clear_pending_msg_events();
claim_payment(&nodes[0], &[&nodes[1]], payment_preimage_1);
// Now set it to failed again...
- let (_, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(&nodes[1]);
+ let (route, payment_hash_2, _, payment_secret_2) = get_route_and_payment_hash!(&nodes[0], nodes[1], 1000000);
{
- match persister_fail {
- true => chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure)),
- false => *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure))
- }
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
+ chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
unwrap_send_err!(nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)), false, APIError::MonitorUpdateFailed, {});
check_added_monitors!(nodes[0], 1);
}
check_closed_broadcast!(nodes[0], true);
// TODO: Once we hit the chain with the failure transaction we should check that we get a
- // PaymentFailed event
+ // PaymentPathFailed event
assert_eq!(nodes[0].node.list_channels().len(), 0);
+ check_closed_event!(nodes[0], 1, ClosureReason::HolderForceClosed);
}
#[test]
fn test_simple_monitor_temporary_update_fail() {
- do_test_simple_monitor_temporary_update_fail(false, false);
- do_test_simple_monitor_temporary_update_fail(true, false);
-
- // Test behavior when the persister returns a TemporaryFailure.
- do_test_simple_monitor_temporary_update_fail(false, true);
- do_test_simple_monitor_temporary_update_fail(true, true);
+ do_test_simple_monitor_temporary_update_fail(false);
+ do_test_simple_monitor_temporary_update_fail(true);
}
fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
- let logger = test_utils::TestLogger::new();
- let (payment_preimage_1, _, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
+ let (payment_preimage_1, payment_hash_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
// Now try to send a second payment which will fail to send
- let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[1]);
+ let (route, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
{
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
+ chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
unwrap_send_err!(nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)), false, APIError::MonitorUpdateFailed, {});
check_added_monitors!(nodes[0], 1);
}
let events_3 = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events_3.len(), 1);
match events_3[0] {
- Event::PaymentSent { ref payment_preimage } => {
+ Event::PaymentSent { ref payment_preimage, ref payment_hash, .. } => {
assert_eq!(*payment_preimage, payment_preimage_1);
+ assert_eq!(*payment_hash, payment_hash_1);
},
_ => panic!("Unexpected event"),
}
}
// Now fix monitor updating...
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[0].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[0], 0);
macro_rules! disconnect_reconnect_peers { () => { {
let events_3 = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events_3.len(), 1);
match events_3[0] {
- Event::PaymentSent { ref payment_preimage } => {
+ Event::PaymentSent { ref payment_preimage, ref payment_hash, .. } => {
assert_eq!(*payment_preimage, payment_preimage_1);
+ assert_eq!(*payment_hash, payment_hash_1);
},
_ => panic!("Unexpected event"),
}
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_second_revoke_and_ack);
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
check_added_monitors!(nodes[0], 1);
+ expect_payment_path_successful!(nodes[0]);
expect_pending_htlcs_forwardable!(nodes[1]);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
- let logger = test_utils::TestLogger::new();
- let (payment_preimage, our_payment_hash, our_payment_secret) = get_payment_preimage_hash!(nodes[1]);
+ let (route, our_payment_hash, payment_preimage, our_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
{
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)).unwrap();
check_added_monitors!(nodes[0], 1);
}
let send_event = SendEvent::from_event(nodes[0].node.get_and_clear_pending_msg_events().remove(0));
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &send_event.msgs[0]);
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &send_event.commitment_msg);
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
check_added_monitors!(nodes[1], 1);
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[1], 0);
let responses = nodes[1].node.get_and_clear_pending_msg_events();
assert_eq!(responses.len(), 2);
assert!(updates.update_fee.is_none());
assert_eq!(*node_id, nodes[0].node.get_our_node_id());
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &updates.commitment_signed);
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
_ => panic!("Unexpected event"),
}
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[0].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[0], 0);
let final_raa = get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id());
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
- let logger = test_utils::TestLogger::new();
- let (payment_preimage_1, our_payment_hash, payment_secret_1) = get_payment_preimage_hash!(nodes[1]);
+ let (route, our_payment_hash, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
{
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[0].node.send_payment(&route, our_payment_hash, &Some(payment_secret_1)).unwrap();
check_added_monitors!(nodes[0], 1);
}
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &send_event.msgs[0]);
let bs_raa = commitment_signed_dance!(nodes[1], nodes[0], send_event.commitment_msg, false, true, false, true);
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &bs_raa);
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
check_added_monitors!(nodes[1], 1);
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
check_added_monitors!(nodes[1], 0);
expect_pending_htlcs_forwardable!(nodes[1]);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
- let logger = test_utils::TestLogger::new();
send_payment(&nodes[0], &[&nodes[1]], 5000000);
- let (payment_preimage_1, our_payment_hash_1, our_payment_secret_1) = get_payment_preimage_hash!(nodes[1]);
+ let (route, our_payment_hash_1, payment_preimage_1, our_payment_secret_1) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
{
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[0].node.send_payment(&route, our_payment_hash_1, &Some(our_payment_secret_1)).unwrap();
check_added_monitors!(nodes[0], 1);
}
let send_event_1 = SendEvent::from_event(nodes[0].node.get_and_clear_pending_msg_events().remove(0));
- let (payment_preimage_2, our_payment_hash_2, our_payment_secret_2) = get_payment_preimage_hash!(nodes[0]);
+ let (route, our_payment_hash_2, payment_preimage_2, our_payment_secret_2) = get_route_and_payment_hash!(nodes[1], nodes[0], 1000000);
{
- let net_graph_msg_handler = &nodes[1].net_graph_msg_handler;
- let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[1].node.send_payment(&route, our_payment_hash_2, &Some(our_payment_secret_2)).unwrap();
check_added_monitors!(nodes[1], 1);
}
check_added_monitors!(nodes[1], 1);
let bs_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
nodes[0].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &send_event_2.msgs[0]);
nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &send_event_2.commitment_msg);
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Previous monitor update failure prevented responses to RAA".to_string(), 1);
check_added_monitors!(nodes[0], 1);
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[0].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[0], 0);
let as_update_raa = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id());
let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
- let logger = test_utils::TestLogger::new();
// Rebalance a bit so that we can send backwards from 2 to 1.
send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 5000000);
// While the second channel is AwaitingRAA, forward a second payment to get it into the
// holding cell.
- let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[2]);
+ let (route, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[2], 1000000);
{
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
check_added_monitors!(nodes[0], 1);
}
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
// Now fail monitor updating.
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
nodes[1].node.handle_revoke_and_ack(&nodes[2].node.get_our_node_id(), &bs_revoke_and_ack);
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
// Forward a third payment which will also be added to the holding cell, despite the channel
// being paused waiting a monitor update.
- let (_, payment_hash_3, payment_secret_3) = get_payment_preimage_hash!(nodes[2]);
+ let (route, payment_hash_3, _, payment_secret_3) = get_route_and_payment_hash!(nodes[0], nodes[2], 1000000);
{
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[0].node.send_payment(&route, payment_hash_3, &Some(payment_secret_3)).unwrap();
check_added_monitors!(nodes[0], 1);
}
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(())); // We succeed in updating the monitor for the first channel
+ chanmon_cfgs[1].persister.set_update_ret(Ok(())); // We succeed in updating the monitor for the first channel
send_event = SendEvent::from_event(nodes[0].node.get_and_clear_pending_msg_events().remove(0));
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &send_event.msgs[0]);
commitment_signed_dance!(nodes[1], nodes[0], send_event.commitment_msg, false, true);
let (payment_preimage_4, payment_hash_4) = if test_ignore_second_cs {
// Try to route another payment backwards from 2 to make sure 1 holds off on responding
- let (payment_preimage_4, payment_hash_4, payment_secret_4) = get_payment_preimage_hash!(nodes[0]);
- let net_graph_msg_handler = &nodes[2].net_graph_msg_handler;
- let route = get_route(&nodes[2].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
+ let (route, payment_hash_4, payment_preimage_4, payment_secret_4) = get_route_and_payment_hash!(nodes[2], nodes[0], 1000000);
nodes[2].node.send_payment(&route, payment_hash_4, &Some(payment_secret_4)).unwrap();
check_added_monitors!(nodes[2], 1);
// Restore monitor updating, ensuring we immediately get a fail-back update and a
// update_add update.
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_2.2).unwrap().clone();
- nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_2.2).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[1], 0);
expect_pending_htlcs_forwardable!(nodes[1]);
check_added_monitors!(nodes[1], 1);
let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
- let (our_payment_preimage, _, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1000000);
+ let (payment_preimage, _, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1000000);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
- assert!(nodes[2].node.claim_funds(our_payment_preimage));
+ assert!(nodes[2].node.claim_funds(payment_preimage));
check_added_monitors!(nodes[2], 1);
let mut updates = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
assert!(updates.update_add_htlcs.is_empty());
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
commitment_signed_dance!(nodes[1], nodes[2], updates.commitment_signed, false);
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[0].node.get_our_node_id())
.contents.flags & 2, 0); // The "disabled" bit should be unset as we just reconnected
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
- nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[1], 0);
updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
assert_eq!(updates.update_fulfill_htlcs.len(), 1);
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], updates.commitment_signed, false);
-
- let events = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(events.len(), 1);
- match events[0] {
- Event::PaymentSent { payment_preimage, .. } => assert_eq!(payment_preimage, our_payment_preimage),
- _ => panic!("Unexpected event"),
- }
+ expect_payment_sent!(nodes[0], payment_preimage);
}
#[test]
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
- let logger = test_utils::TestLogger::new();
- let (payment_preimage_1, payment_hash_1, payment_secret_1) = get_payment_preimage_hash!(nodes[1]);
+ let (route, payment_hash_1, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[1]);
let (payment_preimage_3, payment_hash_3, payment_secret_3) = get_payment_preimage_hash!(nodes[1]);
// requires only an RAA response due to AwaitingRAA) we can deliver the RAA and require the CS
// generation during RAA while in monitor-update-failed state.
{
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[0].node.send_payment(&route, payment_hash_1, &Some(payment_secret_1)).unwrap();
check_added_monitors!(nodes[0], 1);
nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
// Now we have a CS queued up which adds a new HTLC (which will need a RAA/CS response from
// nodes[1]) followed by an RAA. Fail the monitor updating prior to the CS, deliver the RAA,
// then restore channel monitor updates.
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg);
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Previous monitor update failure prevented responses to RAA".to_string(), 1);
check_added_monitors!(nodes[1], 1);
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
// nodes[1] should be AwaitingRAA here!
check_added_monitors!(nodes[1], 0);
let bs_responses = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id());
// chanmon_fail_consistency test required it to actually find the bug (by seeing out-of-sync
// commitment transaction states) whereas here we can explicitly check for it.
{
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[0].node.send_payment(&route, payment_hash_3, &Some(payment_secret_3)).unwrap();
check_added_monitors!(nodes[0], 0);
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
- let logger = test_utils::TestLogger::new();
// Forward a payment for B to claim
let (payment_preimage_1, _, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
// Now deliver a's reestablish, freeing the claim from the holding cell, but fail the monitor
// update.
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reconnect);
let _bs_channel_update = get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[0].node.get_our_node_id());
// Send a second payment from A to B, resulting in a commitment update that gets swallowed with
// the monitor still failed
- let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[1]);
+ let (route, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
{
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
check_added_monitors!(nodes[0], 1);
}
// Now un-fail the monitor, which will result in B sending its original commitment update,
// receiving the commitment update from A, and the resulting commitment dances.
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[1], 0);
let bs_msgs = nodes[1].node.get_and_clear_pending_msg_events();
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_raa);
check_added_monitors!(nodes[0], 1);
-
- let events = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(events.len(), 1);
- match events[0] {
- Event::PaymentSent { ref payment_preimage } => {
- assert_eq!(*payment_preimage, payment_preimage_1);
- },
- _ => panic!("Unexpected event"),
- }
+ expect_payment_sent!(nodes[0], payment_preimage_1);
claim_payment(&nodes[0], &[&nodes[1]], payment_preimage_2);
}
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
- let logger = test_utils::TestLogger::new();
// Route the payment and deliver the initial commitment_signed (with a monitor update failure
// on receipt).
- let (payment_preimage_1, payment_hash_1, payment_secret_1) = get_payment_preimage_hash!(nodes[1]);
+ let (route, payment_hash_1, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
{
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[0].node.send_payment(&route, payment_hash_1, &Some(payment_secret_1)).unwrap();
check_added_monitors!(nodes[0], 1);
}
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
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[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reconnect);
let _as_channel_update = get_event_msg!(nodes[0], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id());
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[1], 0);
let bs_responses = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id());
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
- let logger = test_utils::TestLogger::new();
// Route the first payment outbound, holding the last RAA for B until we are set up so that we
// can deliver it and fail the monitor update.
- let (payment_preimage_1, payment_hash_1, payment_secret_1) = get_payment_preimage_hash!(nodes[1]);
+ let (route, payment_hash_1, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
{
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[0].node.send_payment(&route, payment_hash_1, &Some(payment_secret_1)).unwrap();
check_added_monitors!(nodes[0], 1);
}
let as_raa = get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id());
// Route the second payment, generating an update_add_htlc/commitment_signed
- let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[1]);
+ let (route, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
{
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
check_added_monitors!(nodes[0], 1);
}
let payment_event = SendEvent::from_event(events.pop().unwrap());
assert_eq!(payment_event.node_id, nodes[1].node.get_our_node_id());
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
// Deliver the final RAA for the first payment, which does not require a response. RAAs
// generally require a commitment_signed, so the fact that we're expecting an opposite response
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Previous monitor update failure prevented generation of RAA".to_string(), 1);
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[1], 0);
expect_pending_htlcs_forwardable!(nodes[1]);
let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
- let logger = test_utils::TestLogger::new();
// Rebalance a bit so that we can send backwards from 3 to 2.
send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 5000000);
let (payment_preimage_1, _, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
assert!(nodes[1].node.claim_funds(payment_preimage_1));
nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Temporary failure claiming HTLC, treating as success: Failed to update ChannelMonitor".to_string(), 1);
check_added_monitors!(nodes[1], 1);
// already-signed commitment transaction and will instead wait for it to resolve before
// forwarding the payment onwards.
- let (_, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[0]);
- let route;
+ let (route, payment_hash_2, _, payment_secret_2) = get_route_and_payment_hash!(nodes[2], nodes[0], 1_000_000);
{
- let net_graph_msg_handler = &nodes[2].net_graph_msg_handler;
- route = get_route(&nodes[2].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1_000_000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[2].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
check_added_monitors!(nodes[2], 1);
}
// Successfully update the monitor on the 1<->2 channel, but the 0<->1 channel should still be
// paused, so forward shouldn't succeed until we call channel_monitor_updated().
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
let mut events = nodes[2].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
commitment_signed_dance!(nodes[1], nodes[2], payment_event.commitment_msg, false, true);
// Now restore monitor updating on the 0<->1 channel and claim the funds on B.
- let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
- nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+ let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[1], 0);
let bs_fulfill_update = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
- let logger = test_utils::TestLogger::new();
// Rebalance a bit so that we can send backwards from 3 to 1.
send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 5000000);
commitment_signed_dance!(nodes[1], nodes[2], cs_fail_update.commitment_signed, true, true);
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
- let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[0]);
+ let (route, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[2], nodes[0], 1000000);
{
- let net_graph_msg_handler = &nodes[2].net_graph_msg_handler;
- let route = get_route(&nodes[2].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[2].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
check_added_monitors!(nodes[2], 1);
}
nodes[1].node.handle_update_add_htlc(&nodes[2].node.get_our_node_id(), &payment_event.msgs[0]);
commitment_signed_dance!(nodes[1], nodes[2], payment_event.commitment_msg, false);
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
expect_pending_htlcs_forwardable!(nodes[1]);
check_added_monitors!(nodes[1], 1);
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
- nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[1], 0);
let bs_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
let events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events.len(), 2);
- if let Event::PaymentFailed { payment_hash, rejected_by_dest, .. } = events[0] {
+ if let Event::PaymentPathFailed { payment_hash, rejected_by_dest, .. } = events[0] {
assert_eq!(payment_hash, payment_hash_1);
assert!(rejected_by_dest);
} else { panic!("Unexpected event!"); }
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
- let logger = test_utils::TestLogger::new();
// Forward a payment for B to claim
let (payment_preimage_1, _, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
// Now start forwarding a second payment, skipping the last RAA so B is in AwaitingRAA
- let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[1]);
+ let (route, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
{
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
check_added_monitors!(nodes[0], 1);
}
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
let as_raa = commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false, true, false, true);
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
assert!(nodes[1].node.claim_funds(payment_preimage_1));
check_added_monitors!(nodes[1], 1);
let events = nodes[1].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 0);
nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Temporary failure claiming HTLC, treating as success: Failed to update ChannelMonitor".to_string(), 1);
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[1], 0);
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
let bs_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_updates.update_fulfill_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], bs_updates.commitment_signed, false);
-
- let events = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(events.len(), 1);
- match events[0] {
- Event::PaymentSent { ref payment_preimage } => {
- assert_eq!(*payment_preimage, payment_preimage_1);
- },
- _ => panic!("Unexpected event"),
- }
+ expect_payment_sent!(nodes[0], payment_preimage_1);
claim_payment(&nodes[0], &[&nodes[1]], payment_preimage_2);
}
nodes[0].node.funding_transaction_generated(&temporary_channel_id, funding_tx.clone()).unwrap();
check_added_monitors!(nodes[0], 0);
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
let funding_created_msg = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id());
let channel_id = OutPoint { txid: funding_created_msg.funding_txid, index: funding_created_msg.funding_output_index }.to_channel_id();
nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &funding_created_msg);
check_added_monitors!(nodes[1], 1);
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
nodes[0].node.handle_funding_signed(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendFundingSigned, nodes[0].node.get_our_node_id()));
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
check_added_monitors!(nodes[0], 1);
assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[0].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[0], 0);
let events = nodes[0].node.get_and_clear_pending_events();
assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
}
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[1].node.channel_monitor_updated(&outpoint, latest_update);
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
check_added_monitors!(nodes[1], 0);
let (channel_id, (announcement, as_update, bs_update)) = if !confirm_a_first {
send_payment(&nodes[0], &[&nodes[1]], 8000000);
close_channel(&nodes[0], &nodes[1], &channel_id, funding_tx, true);
+ check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure);
+ check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure);
}
#[test]
let (chan_2_ann, _, chan_2_id, _) = create_announced_chan_between_nodes(&nodes, 0, 2, InitFeatures::known(), InitFeatures::known());
let chan_3_id = create_announced_chan_between_nodes(&nodes, 1, 3, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
let chan_4_id = create_announced_chan_between_nodes(&nodes, 2, 3, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
- let logger = test_utils::TestLogger::new();
- let (payment_preimage, payment_hash, payment_secret) = get_payment_preimage_hash!(&nodes[3]);
- let mut route = get_route(&nodes[0].node.get_our_node_id(), &nodes[0].net_graph_msg_handler.network_graph.read().unwrap(), &nodes[3].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &[], 100000, TEST_FINAL_CLTV, &logger).unwrap();
+ let (mut route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(&nodes[0], nodes[3], 100000);
// Set us up to take multiple routes, one 0 -> 1 -> 3 and one 0 -> 2 -> 3:
let path = route.paths[0].clone();
// Set it so that the first monitor update (for the path 0 -> 1 -> 3) succeeds, but the second
// (for the path 0 -> 2 -> 3) fails.
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
- *nodes[0].chain_monitor.next_update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+ chanmon_cfgs[0].persister.set_next_update_ret(Some(Err(ChannelMonitorUpdateErr::TemporaryFailure)));
// Now check that we get the right return value, indicating that the first path succeeded but
// the second got a MonitorUpdateFailed err. This implies PaymentSendFailure::PartialFailure as
// some paths succeeded, preventing retry.
- if let Err(PaymentSendFailure::PartialFailure(results)) = nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret)) {
+ if let Err(PaymentSendFailure::PartialFailure { results, ..}) = nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret)) {
assert_eq!(results.len(), 2);
if let Ok(()) = results[0] {} else { panic!(); }
if let Err(APIError::MonitorUpdateFailed) = results[1] {} else { panic!(); }
} else { panic!(); }
check_added_monitors!(nodes[0], 2);
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
+ chanmon_cfgs[0].persister.set_update_ret(Ok(()));
// Pass the first HTLC of the payment along to nodes[3].
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
// And check that, after we successfully update the monitor for chan_2 we can pass the second
// HTLC along to nodes[3] and claim the whole payment back to nodes[0].
- let (outpoint, latest_update) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_2_id).unwrap().clone();
- nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+ let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_2_id).unwrap().clone();
+ nodes[0].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
pass_along_path(&nodes[0], &[&nodes[2], &nodes[3]], 200_000, payment_hash.clone(), Some(payment_secret), events.pop().unwrap(), true, None);
claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, payment_preimage);
}
+#[test]
+fn test_pending_update_fee_ack_on_reconnect() {
+ // In early versions of our automated fee update patch, nodes did not correctly use the
+ // previous channel feerate after sending an undelivered revoke_and_ack when re-sending an
+ // undelivered commitment_signed.
+ //
+ // B sends A new HTLC + CS, not delivered
+ // A sends B update_fee + CS
+ // B receives the CS and sends RAA, previously causing B to lock in the new feerate
+ // reconnect
+ // B resends initial CS, using the original fee
+
+ let chanmon_cfgs = create_chanmon_cfgs(2);
+ let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
+ let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+ send_payment(&nodes[0], &[&nodes[1]], 100_000_00);
+
+ let (route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(&nodes[1], nodes[0], 1_000_000);
+ nodes[1].node.send_payment(&route, payment_hash, &Some(payment_secret)).unwrap();
+ check_added_monitors!(nodes[1], 1);
+ let bs_initial_send_msgs = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ // bs_initial_send_msgs are not delivered until they are re-generated after reconnect
+
+ {
+ let mut feerate_lock = chanmon_cfgs[0].fee_estimator.sat_per_kw.lock().unwrap();
+ *feerate_lock *= 2;
+ }
+ nodes[0].node.timer_tick_occurred();
+ check_added_monitors!(nodes[0], 1);
+ let as_update_fee_msgs = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
+ assert!(as_update_fee_msgs.update_fee.is_some());
+
+ nodes[1].node.handle_update_fee(&nodes[0].node.get_our_node_id(), as_update_fee_msgs.update_fee.as_ref().unwrap());
+ nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_update_fee_msgs.commitment_signed);
+ check_added_monitors!(nodes[1], 1);
+ let bs_first_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
+ // bs_first_raa is not delivered until it is re-generated after reconnect
+
+ 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);
+
+ nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known() });
+ let as_connect_msg = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id());
+ nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known() });
+ let bs_connect_msg = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
+
+ nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_connect_msg);
+ let bs_resend_msgs = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(bs_resend_msgs.len(), 3);
+ if let MessageSendEvent::UpdateHTLCs { ref updates, .. } = bs_resend_msgs[0] {
+ assert_eq!(*updates, bs_initial_send_msgs);
+ } else { panic!(); }
+ if let MessageSendEvent::SendRevokeAndACK { ref msg, .. } = bs_resend_msgs[1] {
+ assert_eq!(*msg, bs_first_raa);
+ } else { panic!(); }
+ if let MessageSendEvent::SendChannelUpdate { .. } = bs_resend_msgs[2] { } else { panic!(); }
+
+ nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_connect_msg);
+ get_event_msg!(nodes[0], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id());
+
+ nodes[0].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &bs_initial_send_msgs.update_add_htlcs[0]);
+ nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_initial_send_msgs.commitment_signed);
+ check_added_monitors!(nodes[0], 1);
+ nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id()));
+ check_added_monitors!(nodes[1], 1);
+ let bs_second_cs = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()).commitment_signed;
+
+ nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_first_raa);
+ check_added_monitors!(nodes[0], 1);
+ nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()).commitment_signed);
+ check_added_monitors!(nodes[1], 1);
+ let bs_third_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
+
+ nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_second_cs);
+ check_added_monitors!(nodes[0], 1);
+ nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_third_raa);
+ check_added_monitors!(nodes[0], 1);
+
+ nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id()));
+ check_added_monitors!(nodes[1], 1);
+
+ expect_pending_htlcs_forwardable!(nodes[0]);
+ expect_payment_received!(nodes[0], payment_hash, payment_secret, 1_000_000);
+
+ claim_payment(&nodes[1], &[&nodes[0]], payment_preimage);
+}
+
+fn do_update_fee_resend_test(deliver_update: bool, parallel_updates: bool) {
+ // In early versions we did not handle resending of update_fee on reconnect correctly. The
+ // chanmon_consistency fuzz target, of course, immediately found it, but we test a few cases
+ // explicitly here.
+ let chanmon_cfgs = create_chanmon_cfgs(2);
+ let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
+ let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+ send_payment(&nodes[0], &[&nodes[1]], 1000);
+
+ {
+ let mut feerate_lock = chanmon_cfgs[0].fee_estimator.sat_per_kw.lock().unwrap();
+ *feerate_lock += 20;
+ }
+ nodes[0].node.timer_tick_occurred();
+ check_added_monitors!(nodes[0], 1);
+ let update_msgs = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
+ assert!(update_msgs.update_fee.is_some());
+ if deliver_update {
+ nodes[1].node.handle_update_fee(&nodes[0].node.get_our_node_id(), update_msgs.update_fee.as_ref().unwrap());
+ }
+
+ if parallel_updates {
+ {
+ let mut feerate_lock = chanmon_cfgs[0].fee_estimator.sat_per_kw.lock().unwrap();
+ *feerate_lock += 20;
+ }
+ nodes[0].node.timer_tick_occurred();
+ assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+ }
+
+ 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);
+
+ nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known() });
+ let as_connect_msg = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id());
+ nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::known() });
+ let bs_connect_msg = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
+
+ nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_connect_msg);
+ get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[0].node.get_our_node_id());
+ 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(), &bs_connect_msg);
+ let mut as_reconnect_msgs = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(as_reconnect_msgs.len(), 2);
+ if let MessageSendEvent::SendChannelUpdate { .. } = as_reconnect_msgs.pop().unwrap() {} else { panic!(); }
+ let update_msgs = if let MessageSendEvent::UpdateHTLCs { updates, .. } = as_reconnect_msgs.pop().unwrap()
+ { updates } else { panic!(); };
+ assert!(update_msgs.update_fee.is_some());
+ nodes[1].node.handle_update_fee(&nodes[0].node.get_our_node_id(), update_msgs.update_fee.as_ref().unwrap());
+ if parallel_updates {
+ nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &update_msgs.commitment_signed);
+ check_added_monitors!(nodes[1], 1);
+ let (bs_first_raa, bs_first_cs) = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_first_raa);
+ check_added_monitors!(nodes[0], 1);
+ let as_second_update = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
+
+ nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_first_cs);
+ check_added_monitors!(nodes[0], 1);
+ let as_first_raa = get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id());
+
+ nodes[1].node.handle_update_fee(&nodes[0].node.get_our_node_id(), as_second_update.update_fee.as_ref().unwrap());
+ nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_second_update.commitment_signed);
+ check_added_monitors!(nodes[1], 1);
+ let bs_second_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
+
+ nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_first_raa);
+ let bs_second_cs = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ check_added_monitors!(nodes[1], 1);
+
+ nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_second_raa);
+ check_added_monitors!(nodes[0], 1);
+
+ nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_second_cs.commitment_signed);
+ check_added_monitors!(nodes[0], 1);
+ let as_second_raa = get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id());
+
+ nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_second_raa);
+ check_added_monitors!(nodes[1], 1);
+ } else {
+ commitment_signed_dance!(nodes[1], nodes[0], update_msgs.commitment_signed, false);
+ }
+
+ send_payment(&nodes[0], &[&nodes[1]], 1000);
+}
+#[test]
+fn update_fee_resend_test() {
+ do_update_fee_resend_test(false, false);
+ do_update_fee_resend_test(true, false);
+ do_update_fee_resend_test(false, true);
+ do_update_fee_resend_test(true, true);
+}
+
fn do_channel_holding_cell_serialize(disconnect: bool, reload_a: bool) {
// Tests that, when we serialize a channel with AddHTLC entries in the holding cell, we
// properly free them on reconnect. We previously failed such HTLCs upon serialization, but
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let chan_id = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 15_000_000, 7_000_000_000, InitFeatures::known(), InitFeatures::known()).2;
- let (payment_preimage_1, payment_hash_1, payment_secret_1) = get_payment_preimage_hash!(&nodes[1]);
+ let (route, payment_hash_1, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(&nodes[0], nodes[1], 100000);
let (payment_preimage_2, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(&nodes[1]);
// Do a really complicated dance to get an HTLC into the holding cell, with MonitorUpdateFailed
// will not be freed from the holding cell.
let (payment_preimage_0, _, _) = route_payment(&nodes[1], &[&nodes[0]], 100000);
- let route = {
- let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
- get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[1].node.get_our_node_id(), None, None, &Vec::new(), 100000, TEST_FINAL_CLTV, nodes[0].logger).unwrap()
- };
-
nodes[0].node.send_payment(&route, payment_hash_1, &Some(payment_secret_1)).unwrap();
check_added_monitors!(nodes[0], 1);
let send = SendEvent::from_node(&nodes[0]);
nodes[0].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
check_added_monitors!(nodes[0], 0);
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
assert!(nodes[0].node.claim_funds(payment_preimage_0));
check_added_monitors!(nodes[0], 1);
if reload_a {
let nodes_0_serialized = nodes[0].node.encode();
let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new());
- nodes[0].chain_monitor.chain_monitor.monitors.read().unwrap().iter().next().unwrap().1.write(&mut chan_0_monitor_serialized).unwrap();
+ get_monitor!(nodes[0], chan_id).write(&mut chan_0_monitor_serialized).unwrap();
persister = test_utils::TestPersister::new();
let keys_manager = &chanmon_cfgs[0].keys_manager;
// If we finish updating the monitor, we should free the holding cell right away (this did
// not occur prior to #756).
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = None;
- let (funding_txo, mon_id) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_id).unwrap().clone();
- nodes[0].node.channel_monitor_updated(&funding_txo, mon_id);
+ chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+ let (funding_txo, mon_id, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_id).unwrap().clone();
+ nodes[0].chain_monitor.chain_monitor.force_channel_monitor_updated(funding_txo, mon_id);
// New outbound messages should be generated immediately upon a call to
// get_and_clear_pending_msg_events (but not before).
assert!(updates.update_fee.is_none());
assert_eq!(updates.update_fulfill_htlcs.len(), 1);
nodes[1].node.handle_update_fulfill_htlc(&nodes[0].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
- expect_payment_sent!(nodes[1], payment_preimage_0);
+ expect_payment_sent_without_paths!(nodes[1], payment_preimage_0);
assert_eq!(updates.update_add_htlcs.len(), 1);
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]);
updates.commitment_signed
commitment_signed_dance!(nodes[1], nodes[0], (), false, true, false);
- expect_pending_htlcs_forwardable!(nodes[1]);
+ let events = nodes[1].node.get_and_clear_pending_events();
+ assert_eq!(events.len(), 2);
+ match events[0] {
+ Event::PendingHTLCsForwardable { .. } => { },
+ _ => panic!("Unexpected event"),
+ };
+ match events[1] {
+ Event::PaymentPathSuccessful { .. } => { },
+ _ => panic!("Unexpected event"),
+ };
+
+ nodes[1].node.process_pending_htlc_forwards();
expect_payment_received!(nodes[1], payment_hash_2, payment_secret_2, 100000);
claim_payment(&nodes[0], &[&nodes[1]], payment_preimage_1);
if htlc_status == HTLCStatusAtDupClaim::HoldingCell {
// In order to get the HTLC claim into the holding cell at nodes[1], we need nodes[1] to be
// awaiting a remote revoke_and_ack from nodes[0].
- let (_, second_payment_hash, second_payment_secret) = get_payment_preimage_hash!(nodes[1]);
- let route = get_route(&nodes[0].node.get_our_node_id(), &nodes[0].net_graph_msg_handler.network_graph.read().unwrap(),
- &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 100_000, TEST_FINAL_CLTV, nodes[1].logger).unwrap();
+ let (route, second_payment_hash, _, second_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], 100_000);
nodes[0].node.send_payment(&route, second_payment_hash, &Some(second_payment_secret)).unwrap();
check_added_monitors!(nodes[0], 1);
bs_updates = Some(get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()));
assert_eq!(bs_updates.as_ref().unwrap().update_fulfill_htlcs.len(), 1);
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_updates.as_ref().unwrap().update_fulfill_htlcs[0]);
- expect_payment_sent!(nodes[0], payment_preimage);
+ expect_payment_sent_without_paths!(nodes[0], payment_preimage);
if htlc_status == HTLCStatusAtDupClaim::Cleared {
commitment_signed_dance!(nodes[0], nodes[1], &bs_updates.as_ref().unwrap().commitment_signed, false);
+ expect_payment_path_successful!(nodes[0]);
}
} else {
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
bs_updates = Some(get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()));
assert_eq!(bs_updates.as_ref().unwrap().update_fulfill_htlcs.len(), 1);
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_updates.as_ref().unwrap().update_fulfill_htlcs[0]);
- expect_payment_sent!(nodes[0], payment_preimage);
+ expect_payment_sent_without_paths!(nodes[0], payment_preimage);
}
if htlc_status != HTLCStatusAtDupClaim::Cleared {
commitment_signed_dance!(nodes[0], nodes[1], &bs_updates.as_ref().unwrap().commitment_signed, false);
+ expect_payment_path_successful!(nodes[0]);
}
}
#[test]
fn test_temporary_error_during_shutdown() {
- // Test that temporary failures when updating the monitor's shutdown script do not prevent
- // cooperative close.
+ // Test that temporary failures when updating the monitor's shutdown script delay cooperative
+ // close.
let mut config = test_default_channel_config();
config.channel_options.commit_upfront_shutdown_pubkey = false;
let (_, _, channel_id, funding_tx) = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
- close_channel(&nodes[0], &nodes[1], &channel_id, funding_tx, false);
- check_added_monitors!(nodes[0], 1);
+ chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+
+ nodes[0].node.close_channel(&channel_id).unwrap();
+ nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id()));
check_added_monitors!(nodes[1], 1);
+
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id()));
+ check_added_monitors!(nodes[0], 1);
+
+ assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+
+ chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+
+ let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[0].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
+ nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id()));
+
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+ let (outpoint, latest_update, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
+
+ nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id()));
+ let (_, closing_signed_a) = get_closing_signed_broadcast!(nodes[0].node, nodes[1].node.get_our_node_id());
+ let txn_a = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
+
+ nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &closing_signed_a.unwrap());
+ let (_, none_b) = get_closing_signed_broadcast!(nodes[1].node, nodes[0].node.get_our_node_id());
+ assert!(none_b.is_none());
+ let txn_b = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
+
+ assert_eq!(txn_a, txn_b);
+ assert_eq!(txn_a.len(), 1);
+ check_spends!(txn_a[0], funding_tx);
+ check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure);
+ check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure);
}
#[test]
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
- *nodes[0].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::PermanentFailure));
+ chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::PermanentFailure));
assert!(nodes[0].node.close_channel(&channel_id).is_ok());
check_closed_broadcast!(nodes[0], true);
check_added_monitors!(nodes[0], 2);
+ check_closed_event!(nodes[0], 1, ClosureReason::ProcessingError { err: "ChannelMonitor storage failure".to_string() });
}
#[test]
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
- *nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::PermanentFailure));
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::PermanentFailure));
assert!(nodes[0].node.close_channel(&channel_id).is_ok());
let shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &shutdown);
check_closed_broadcast!(nodes[1], true);
check_added_monitors!(nodes[1], 2);
+ check_closed_event!(nodes[1], 1, ClosureReason::ProcessingError { err: "ChannelMonitor storage failure".to_string() });
+}
+
+#[test]
+fn double_temp_error() {
+ // Test that it's OK to have multiple `ChainMonitor::update_channel` calls fail in a row.
+ let chanmon_cfgs = create_chanmon_cfgs(2);
+ let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
+ let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+ let (_, _, channel_id, _) = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+
+ let (payment_preimage_1, _, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
+ let (payment_preimage_2, _, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
+
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ // `claim_funds` results in a ChannelMonitorUpdate.
+ assert!(nodes[1].node.claim_funds(payment_preimage_1));
+ check_added_monitors!(nodes[1], 1);
+ let (funding_tx, latest_update_1, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ // Previously, this would've panicked due to a double-call to `Channel::monitor_update_failed`,
+ // which had some asserts that prevented it from being called twice.
+ assert!(nodes[1].node.claim_funds(payment_preimage_2));
+ check_added_monitors!(nodes[1], 1);
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+
+ let (_, latest_update_2, _) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(funding_tx, latest_update_1);
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+ check_added_monitors!(nodes[1], 0);
+ nodes[1].chain_monitor.chain_monitor.force_channel_monitor_updated(funding_tx, latest_update_2);
+
+ // Complete the first HTLC.
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ let (update_fulfill_1, commitment_signed_b1, node_id) = {
+ match &events[0] {
+ &MessageSendEvent::UpdateHTLCs { ref node_id, updates: msgs::CommitmentUpdate { ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs, ref update_fail_malformed_htlcs, ref update_fee, ref commitment_signed } } => {
+ assert!(update_add_htlcs.is_empty());
+ assert_eq!(update_fulfill_htlcs.len(), 1);
+ assert!(update_fail_htlcs.is_empty());
+ assert!(update_fail_malformed_htlcs.is_empty());
+ assert!(update_fee.is_none());
+ (update_fulfill_htlcs[0].clone(), commitment_signed.clone(), node_id.clone())
+ },
+ _ => panic!("Unexpected event"),
+ }
+ };
+ assert_eq!(node_id, nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &update_fulfill_1);
+ check_added_monitors!(nodes[0], 0);
+ expect_payment_sent_without_paths!(nodes[0], payment_preimage_1);
+ nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &commitment_signed_b1);
+ check_added_monitors!(nodes[0], 1);
+ nodes[0].node.process_pending_htlc_forwards();
+ let (raa_a1, commitment_signed_a1) = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id());
+ check_added_monitors!(nodes[1], 0);
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+ nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &raa_a1);
+ check_added_monitors!(nodes[1], 1);
+ nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &commitment_signed_a1);
+ check_added_monitors!(nodes[1], 1);
+
+ // Complete the second HTLC.
+ let ((update_fulfill_2, commitment_signed_b2), raa_b2) = {
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 2);
+ (match &events[0] {
+ MessageSendEvent::UpdateHTLCs { node_id, updates } => {
+ assert_eq!(*node_id, nodes[0].node.get_our_node_id());
+ assert!(updates.update_add_htlcs.is_empty());
+ assert!(updates.update_fail_htlcs.is_empty());
+ assert!(updates.update_fail_malformed_htlcs.is_empty());
+ assert!(updates.update_fee.is_none());
+ assert_eq!(updates.update_fulfill_htlcs.len(), 1);
+ (updates.update_fulfill_htlcs[0].clone(), updates.commitment_signed.clone())
+ },
+ _ => panic!("Unexpected event"),
+ },
+ match events[1] {
+ MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
+ assert_eq!(*node_id, nodes[0].node.get_our_node_id());
+ (*msg).clone()
+ },
+ _ => panic!("Unexpected event"),
+ })
+ };
+ nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &raa_b2);
+ check_added_monitors!(nodes[0], 1);
+ expect_payment_path_successful!(nodes[0]);
+
+ nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &update_fulfill_2);
+ check_added_monitors!(nodes[0], 0);
+ assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+ commitment_signed_dance!(nodes[0], nodes[1], commitment_signed_b2, false);
+ expect_payment_sent!(nodes[0], payment_preimage_2);
}