/// * Monitoring whether the [`ChannelManager`] needs to be re-persisted to disk, and if so,
/// writing it to disk/backups by invoking the callback given to it at startup.
/// [`ChannelManager`] persistence should be done in the background.
-/// * Calling [`ChannelManager::timer_tick_occurred`] and [`PeerManager::timer_tick_occurred`]
-/// at the appropriate intervals.
+/// * Calling [`ChannelManager::timer_tick_occurred`], [`ChainMonitor::rebroadcast_pending_claims`]
+/// and [`PeerManager::timer_tick_occurred`] at the appropriate intervals.
/// * Calling [`NetworkGraph::remove_stale_channels_and_tracking`] (if a [`GossipSync`] with a
/// [`NetworkGraph`] is provided to [`BackgroundProcessor::start`]).
///
#[cfg(test)]
const FIRST_NETWORK_PRUNE_TIMER: u64 = 1;
+#[cfg(not(test))]
+const REBROADCAST_TIMER: u64 = 30;
+#[cfg(test)]
+const REBROADCAST_TIMER: u64 = 1;
+
#[cfg(feature = "futures")]
/// core::cmp::min is not currently const, so we define a trivial (and equivalent) replacement
const fn min_u64(a: u64, b: u64) -> u64 { if a < b { a } else { b } }
#[cfg(feature = "futures")]
const FASTEST_TIMER: u64 = min_u64(min_u64(FRESHNESS_TIMER, PING_TIMER),
- min_u64(SCORER_PERSIST_TIMER, FIRST_NETWORK_PRUNE_TIMER));
+ min_u64(SCORER_PERSIST_TIMER, min_u64(FIRST_NETWORK_PRUNE_TIMER, REBROADCAST_TIMER)));
/// Either [`P2PGossipSync`] or [`RapidGossipSync`].
pub enum GossipSync<
let mut score = scorer.lock();
match event {
Event::PaymentPathFailed { ref path, short_channel_id: Some(scid), .. } => {
- let path = path.iter().collect::<Vec<_>>();
- score.payment_path_failed(&path, *scid);
+ score.payment_path_failed(path, *scid);
},
Event::PaymentPathFailed { ref path, payment_failed_permanently: true, .. } => {
// Reached if the destination explicitly failed it back. We treat this as a successful probe
// because the payment made it all the way to the destination with sufficient liquidity.
- let path = path.iter().collect::<Vec<_>>();
- score.probe_successful(&path);
+ score.probe_successful(path);
},
Event::PaymentPathSuccessful { path, .. } => {
- let path = path.iter().collect::<Vec<_>>();
- score.payment_path_successful(&path);
+ score.payment_path_successful(path);
},
Event::ProbeSuccessful { path, .. } => {
- let path = path.iter().collect::<Vec<_>>();
- score.probe_successful(&path);
+ score.probe_successful(path);
},
Event::ProbeFailed { path, short_channel_id: Some(scid), .. } => {
- let path = path.iter().collect::<Vec<_>>();
- score.probe_failed(&path, *scid);
+ score.probe_failed(path, *scid);
},
_ => {},
}
=> { {
log_trace!($logger, "Calling ChannelManager's timer_tick_occurred on startup");
$channel_manager.timer_tick_occurred();
+ log_trace!($logger, "Rebroadcasting monitor's pending claims on startup");
+ $chain_monitor.rebroadcast_pending_claims();
let mut last_freshness_call = $get_timer(FRESHNESS_TIMER);
let mut last_ping_call = $get_timer(PING_TIMER);
let mut last_prune_call = $get_timer(FIRST_NETWORK_PRUNE_TIMER);
let mut last_scorer_persist_call = $get_timer(SCORER_PERSIST_TIMER);
+ let mut last_rebroadcast_call = $get_timer(REBROADCAST_TIMER);
let mut have_pruned = false;
loop {
// persistence.
$peer_manager.process_events();
+ // Exit the loop if the background processor was requested to stop.
+ if $loop_exit_check {
+ log_trace!($logger, "Terminating background processor.");
+ break;
+ }
+
// We wait up to 100ms, but track how long it takes to detect being put to sleep,
// see `await_start`'s use below.
let mut await_start = None;
let updates_available = $await;
let await_slow = if $check_slow_await { $timer_elapsed(&mut await_start.unwrap(), 1) } else { false };
- if updates_available {
- log_trace!($logger, "Persisting ChannelManager...");
- $persister.persist_manager(&*$channel_manager)?;
- log_trace!($logger, "Done persisting ChannelManager.");
- }
// Exit the loop if the background processor was requested to stop.
if $loop_exit_check {
log_trace!($logger, "Terminating background processor.");
break;
}
+
+ if updates_available {
+ log_trace!($logger, "Persisting ChannelManager...");
+ $persister.persist_manager(&*$channel_manager)?;
+ log_trace!($logger, "Done persisting ChannelManager.");
+ }
if $timer_elapsed(&mut last_freshness_call, FRESHNESS_TIMER) {
log_trace!($logger, "Calling ChannelManager's timer_tick_occurred");
$channel_manager.timer_tick_occurred();
// falling back to our usual hourly prunes. This avoids short-lived clients never
// pruning their network graph. We run once 60 seconds after startup before
// continuing our normal cadence.
- if $timer_elapsed(&mut last_prune_call, if have_pruned { NETWORK_PRUNE_TIMER } else { FIRST_NETWORK_PRUNE_TIMER }) {
+ let prune_timer = if have_pruned { NETWORK_PRUNE_TIMER } else { FIRST_NETWORK_PRUNE_TIMER };
+ if $timer_elapsed(&mut last_prune_call, prune_timer) {
// The network graph must not be pruned while rapid sync completion is pending
if let Some(network_graph) = $gossip_sync.prunable_network_graph() {
#[cfg(feature = "std")] {
have_pruned = true;
}
- last_prune_call = $get_timer(NETWORK_PRUNE_TIMER);
+ let prune_timer = if have_pruned { NETWORK_PRUNE_TIMER } else { FIRST_NETWORK_PRUNE_TIMER };
+ last_prune_call = $get_timer(prune_timer);
}
if $timer_elapsed(&mut last_scorer_persist_call, SCORER_PERSIST_TIMER) {
}
last_scorer_persist_call = $get_timer(SCORER_PERSIST_TIMER);
}
+
+ if $timer_elapsed(&mut last_rebroadcast_call, REBROADCAST_TIMER) {
+ log_trace!($logger, "Rebroadcasting monitor's pending claims");
+ $chain_monitor.rebroadcast_pending_claims();
+ last_rebroadcast_call = $get_timer(REBROADCAST_TIMER);
+ }
}
// After we exit, ensure we persist the ChannelManager one final time - this avoids
///
/// `sleeper` should return a future which completes in the given amount of time and returns a
/// boolean indicating whether the background processing should exit. Once `sleeper` returns a
-/// future which outputs true, the loop will exit and this function's future will complete.
+/// future which outputs `true`, the loop will exit and this function's future will complete.
+/// The `sleeper` future is free to return early after it has triggered the exit condition.
///
/// See [`BackgroundProcessor::start`] for information on which actions this handles.
///
/// mobile device, where we may need to check for interruption of the application regularly. If you
/// are unsure, you should set the flag, as the performance impact of it is minimal unless there
/// are hundreds or thousands of simultaneous process calls running.
+///
+/// For example, in order to process background events in a [Tokio](https://tokio.rs/) task, you
+/// could setup `process_events_async` like this:
+/// ```
+/// # struct MyPersister {}
+/// # impl lightning::util::persist::KVStorePersister for MyPersister {
+/// # fn persist<W: lightning::util::ser::Writeable>(&self, key: &str, object: &W) -> lightning::io::Result<()> { Ok(()) }
+/// # }
+/// # struct MyEventHandler {}
+/// # impl MyEventHandler {
+/// # async fn handle_event(&self, _: lightning::events::Event) {}
+/// # }
+/// # #[derive(Eq, PartialEq, Clone, Hash)]
+/// # struct MySocketDescriptor {}
+/// # impl lightning::ln::peer_handler::SocketDescriptor for MySocketDescriptor {
+/// # fn send_data(&mut self, _data: &[u8], _resume_read: bool) -> usize { 0 }
+/// # fn disconnect_socket(&mut self) {}
+/// # }
+/// # use std::sync::{Arc, Mutex};
+/// # use std::sync::atomic::{AtomicBool, Ordering};
+/// # use lightning_background_processor::{process_events_async, GossipSync};
+/// # type MyBroadcaster = dyn lightning::chain::chaininterface::BroadcasterInterface + Send + Sync;
+/// # type MyFeeEstimator = dyn lightning::chain::chaininterface::FeeEstimator + Send + Sync;
+/// # type MyNodeSigner = dyn lightning::chain::keysinterface::NodeSigner + Send + Sync;
+/// # type MyUtxoLookup = dyn lightning::routing::utxo::UtxoLookup + Send + Sync;
+/// # type MyFilter = dyn lightning::chain::Filter + Send + Sync;
+/// # type MyLogger = dyn lightning::util::logger::Logger + Send + Sync;
+/// # type MyChainMonitor = lightning::chain::chainmonitor::ChainMonitor<lightning::chain::keysinterface::InMemorySigner, Arc<MyFilter>, Arc<MyBroadcaster>, Arc<MyFeeEstimator>, Arc<MyLogger>, Arc<MyPersister>>;
+/// # type MyPeerManager = lightning::ln::peer_handler::SimpleArcPeerManager<MySocketDescriptor, MyChainMonitor, MyBroadcaster, MyFeeEstimator, MyUtxoLookup, MyLogger>;
+/// # type MyNetworkGraph = lightning::routing::gossip::NetworkGraph<Arc<MyLogger>>;
+/// # type MyGossipSync = lightning::routing::gossip::P2PGossipSync<Arc<MyNetworkGraph>, Arc<MyUtxoLookup>, Arc<MyLogger>>;
+/// # type MyChannelManager = lightning::ln::channelmanager::SimpleArcChannelManager<MyChainMonitor, MyBroadcaster, MyFeeEstimator, MyLogger>;
+/// # type MyScorer = Mutex<lightning::routing::scoring::ProbabilisticScorer<Arc<MyNetworkGraph>, Arc<MyLogger>>>;
+///
+/// # async fn setup_background_processing(my_persister: Arc<MyPersister>, my_event_handler: Arc<MyEventHandler>, my_chain_monitor: Arc<MyChainMonitor>, my_channel_manager: Arc<MyChannelManager>, my_gossip_sync: Arc<MyGossipSync>, my_logger: Arc<MyLogger>, my_scorer: Arc<MyScorer>, my_peer_manager: Arc<MyPeerManager>) {
+/// let background_persister = Arc::clone(&my_persister);
+/// let background_event_handler = Arc::clone(&my_event_handler);
+/// let background_chain_mon = Arc::clone(&my_chain_monitor);
+/// let background_chan_man = Arc::clone(&my_channel_manager);
+/// let background_gossip_sync = GossipSync::p2p(Arc::clone(&my_gossip_sync));
+/// let background_peer_man = Arc::clone(&my_peer_manager);
+/// let background_logger = Arc::clone(&my_logger);
+/// let background_scorer = Arc::clone(&my_scorer);
+///
+/// // Setup the sleeper.
+/// let (stop_sender, stop_receiver) = tokio::sync::watch::channel(());
+///
+/// let sleeper = move |d| {
+/// let mut receiver = stop_receiver.clone();
+/// Box::pin(async move {
+/// tokio::select!{
+/// _ = tokio::time::sleep(d) => false,
+/// _ = receiver.changed() => true,
+/// }
+/// })
+/// };
+///
+/// let mobile_interruptable_platform = false;
+///
+/// let handle = tokio::spawn(async move {
+/// process_events_async(
+/// background_persister,
+/// |e| background_event_handler.handle_event(e),
+/// background_chain_mon,
+/// background_chan_man,
+/// background_gossip_sync,
+/// background_peer_man,
+/// background_logger,
+/// Some(background_scorer),
+/// sleeper,
+/// mobile_interruptable_platform,
+/// )
+/// .await
+/// .expect("Failed to process events");
+/// });
+///
+/// // Stop the background processing.
+/// stop_sender.send(()).unwrap();
+/// handle.await.unwrap();
+/// # }
+///```
#[cfg(feature = "futures")]
pub async fn process_events_async<
'a,
|fut: &mut SleepFuture, _| {
let mut waker = dummy_waker();
let mut ctx = task::Context::from_waker(&mut waker);
- core::pin::Pin::new(fut).poll(&mut ctx).is_ready()
+ match core::pin::Pin::new(fut).poll(&mut ctx) {
+ task::Poll::Ready(exit) => { should_break = exit; true },
+ task::Poll::Pending => false,
+ }
}, mobile_interruptable_platform)
}
use lightning::ln::msgs::{ChannelMessageHandler, Init};
use lightning::ln::peer_handler::{PeerManager, MessageHandler, SocketDescriptor, IgnoringMessageHandler};
use lightning::routing::gossip::{NetworkGraph, NodeId, P2PGossipSync};
- use lightning::routing::router::{DefaultRouter, RouteHop};
+ use lightning::routing::router::{DefaultRouter, Path, RouteHop};
use lightning::routing::scoring::{ChannelUsage, Score};
use lightning::util::config::UserConfig;
use lightning::util::ser::Writeable;
if key == "network_graph" {
if let Some(sender) = &self.graph_persistence_notifier {
- sender.send(()).unwrap();
+ match sender.send(()) {
+ Ok(()) => {},
+ Err(std::sync::mpsc::SendError(())) => println!("Persister failed to notify as receiver went away."),
+ }
};
if let Some((error, message)) = self.graph_error {
#[derive(Debug)]
enum TestResult {
- PaymentFailure { path: Vec<RouteHop>, short_channel_id: u64 },
- PaymentSuccess { path: Vec<RouteHop> },
- ProbeFailure { path: Vec<RouteHop> },
- ProbeSuccess { path: Vec<RouteHop> },
+ PaymentFailure { path: Path, short_channel_id: u64 },
+ PaymentSuccess { path: Path },
+ ProbeFailure { path: Path },
+ ProbeSuccess { path: Path },
}
impl TestScorer {
&self, _short_channel_id: u64, _source: &NodeId, _target: &NodeId, _usage: ChannelUsage
) -> u64 { unimplemented!(); }
- fn payment_path_failed(&mut self, actual_path: &[&RouteHop], actual_short_channel_id: u64) {
+ fn payment_path_failed(&mut self, actual_path: &Path, actual_short_channel_id: u64) {
if let Some(expectations) = &mut self.event_expectations {
match expectations.pop_front().unwrap() {
TestResult::PaymentFailure { path, short_channel_id } => {
- assert_eq!(actual_path, &path.iter().collect::<Vec<_>>()[..]);
+ assert_eq!(actual_path, &path);
assert_eq!(actual_short_channel_id, short_channel_id);
},
TestResult::PaymentSuccess { path } => {
}
}
- fn payment_path_successful(&mut self, actual_path: &[&RouteHop]) {
+ fn payment_path_successful(&mut self, actual_path: &Path) {
if let Some(expectations) = &mut self.event_expectations {
match expectations.pop_front().unwrap() {
TestResult::PaymentFailure { path, .. } => {
panic!("Unexpected payment path failure: {:?}", path)
},
TestResult::PaymentSuccess { path } => {
- assert_eq!(actual_path, &path.iter().collect::<Vec<_>>()[..]);
+ assert_eq!(actual_path, &path);
},
TestResult::ProbeFailure { path } => {
panic!("Unexpected probe failure: {:?}", path)
}
}
- fn probe_failed(&mut self, actual_path: &[&RouteHop], _: u64) {
+ fn probe_failed(&mut self, actual_path: &Path, _: u64) {
if let Some(expectations) = &mut self.event_expectations {
match expectations.pop_front().unwrap() {
TestResult::PaymentFailure { path, .. } => {
panic!("Unexpected payment path success: {:?}", path)
},
TestResult::ProbeFailure { path } => {
- assert_eq!(actual_path, &path.iter().collect::<Vec<_>>()[..]);
+ assert_eq!(actual_path, &path);
},
TestResult::ProbeSuccess { path } => {
panic!("Unexpected probe success: {:?}", path)
}
}
}
- fn probe_successful(&mut self, actual_path: &[&RouteHop]) {
+ fn probe_successful(&mut self, actual_path: &Path) {
if let Some(expectations) = &mut self.event_expectations {
match expectations.pop_front().unwrap() {
TestResult::PaymentFailure { path, .. } => {
panic!("Unexpected probe failure: {:?}", path)
},
TestResult::ProbeSuccess { path } => {
- assert_eq!(actual_path, &path.iter().collect::<Vec<_>>()[..]);
+ assert_eq!(actual_path, &path);
}
}
}
}
fn create_nodes(num_nodes: usize, persist_dir: String) -> Vec<Node> {
+ let network = Network::Testnet;
let mut nodes = Vec::new();
for i in 0..num_nodes {
- let tx_broadcaster = Arc::new(test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new()), blocks: Arc::new(Mutex::new(Vec::new()))});
+ let tx_broadcaster = Arc::new(test_utils::TestBroadcaster::new(network));
let fee_estimator = Arc::new(test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) });
let logger = Arc::new(test_utils::TestLogger::with_id(format!("node {}", i)));
- let network = Network::Testnet;
let genesis_block = genesis_block(network);
let network_graph = Arc::new(NetworkGraph::new(network, logger.clone()));
let scorer = Arc::new(Mutex::new(TestScorer::new()));
let events = $node_a.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
let (temporary_channel_id, tx) = handle_funding_generation_ready!(events[0], $channel_value);
- end_open_channel!($node_a, $node_b, temporary_channel_id, tx);
+ $node_a.node.funding_transaction_generated(&temporary_channel_id, &$node_b.node.get_our_node_id(), tx.clone()).unwrap();
+ $node_b.node.handle_funding_created(&$node_a.node.get_our_node_id(), &get_event_msg!($node_a, MessageSendEvent::SendFundingCreated, $node_b.node.get_our_node_id()));
+ get_event!($node_b, Event::ChannelPending);
+ $node_a.node.handle_funding_signed(&$node_b.node.get_our_node_id(), &get_event_msg!($node_b, MessageSendEvent::SendFundingSigned, $node_a.node.get_our_node_id()));
+ get_event!($node_a, Event::ChannelPending);
tx
}}
}
}}
}
- macro_rules! end_open_channel {
- ($node_a: expr, $node_b: expr, $temporary_channel_id: expr, $tx: expr) => {{
- $node_a.node.funding_transaction_generated(&$temporary_channel_id, &$node_b.node.get_our_node_id(), $tx.clone()).unwrap();
- $node_b.node.handle_funding_created(&$node_a.node.get_our_node_id(), &get_event_msg!($node_a, MessageSendEvent::SendFundingCreated, $node_b.node.get_our_node_id()));
- get_event!($node_b, Event::ChannelPending);
-
- $node_a.node.handle_funding_signed(&$node_b.node.get_our_node_id(), &get_event_msg!($node_b, MessageSendEvent::SendFundingSigned, $node_a.node.get_our_node_id()));
- get_event!($node_a, Event::ChannelPending);
- }}
- }
-
fn confirm_transaction_depth(node: &mut Node, tx: &Transaction, depth: u32) {
for i in 1..=depth {
let prev_blockhash = node.best_block.block_hash();
#[test]
fn test_timer_tick_called() {
- // Test that ChannelManager's and PeerManager's `timer_tick_occurred` is called every
- // `FRESHNESS_TIMER`.
+ // Test that `ChannelManager::timer_tick_occurred` is called every `FRESHNESS_TIMER`,
+ // `ChainMonitor::rebroadcast_pending_claims` is called every `REBROADCAST_TIMER`, and
+ // `PeerManager::timer_tick_occurred` every `PING_TIMER`.
let nodes = create_nodes(1, "test_timer_tick_called".to_string());
let data_dir = nodes[0].persister.get_data_dir();
let persister = Arc::new(Persister::new(data_dir));
let bg_processor = BackgroundProcessor::start(persister, event_handler, nodes[0].chain_monitor.clone(), nodes[0].node.clone(), nodes[0].no_gossip_sync(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()));
loop {
let log_entries = nodes[0].logger.lines.lock().unwrap();
- let desired_log = "Calling ChannelManager's timer_tick_occurred".to_string();
- let second_desired_log = "Calling PeerManager's timer_tick_occurred".to_string();
- if log_entries.get(&("lightning_background_processor".to_string(), desired_log)).is_some() &&
- log_entries.get(&("lightning_background_processor".to_string(), second_desired_log)).is_some() {
+ let desired_log_1 = "Calling ChannelManager's timer_tick_occurred".to_string();
+ let desired_log_2 = "Calling PeerManager's timer_tick_occurred".to_string();
+ let desired_log_3 = "Rebroadcasting monitor's pending claims".to_string();
+ if log_entries.get(&("lightning_background_processor".to_string(), desired_log_1)).is_some() &&
+ log_entries.get(&("lightning_background_processor".to_string(), desired_log_2)).is_some() &&
+ log_entries.get(&("lightning_background_processor".to_string(), desired_log_3)).is_some() {
break
}
}
}
}
+ #[tokio::test]
+ #[cfg(feature = "futures")]
+ async fn test_channel_manager_persist_error_async() {
+ // Test that if we encounter an error during manager persistence, the thread panics.
+ let nodes = create_nodes(2, "test_persist_error_sync".to_string());
+ open_channel!(nodes[0], nodes[1], 100000);
+
+ let data_dir = nodes[0].persister.get_data_dir();
+ let persister = Arc::new(Persister::new(data_dir).with_manager_error(std::io::ErrorKind::Other, "test"));
+
+ let bp_future = super::process_events_async(
+ persister, |_: _| {async {}}, nodes[0].chain_monitor.clone(), nodes[0].node.clone(),
+ nodes[0].rapid_gossip_sync(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(),
+ Some(nodes[0].scorer.clone()), move |dur: Duration| {
+ Box::pin(async move {
+ tokio::time::sleep(dur).await;
+ false // Never exit
+ })
+ }, false,
+ );
+ match bp_future.await {
+ Ok(_) => panic!("Expected error persisting manager"),
+ Err(e) => {
+ assert_eq!(e.kind(), std::io::ErrorKind::Other);
+ assert_eq!(e.get_ref().unwrap().to_string(), "test");
+ },
+ }
+ }
+
#[test]
fn test_network_graph_persist_error() {
// Test that if we encounter an error during network graph persistence, an error gets returned.
let persister = Arc::new(Persister::new(data_dir.clone()));
// Set up a background event handler for FundingGenerationReady events.
- let (sender, receiver) = std::sync::mpsc::sync_channel(1);
+ let (funding_generation_send, funding_generation_recv) = std::sync::mpsc::sync_channel(1);
+ let (channel_pending_send, channel_pending_recv) = std::sync::mpsc::sync_channel(1);
let event_handler = move |event: Event| match event {
- Event::FundingGenerationReady { .. } => sender.send(handle_funding_generation_ready!(event, channel_value)).unwrap(),
+ Event::FundingGenerationReady { .. } => funding_generation_send.send(handle_funding_generation_ready!(event, channel_value)).unwrap(),
+ Event::ChannelPending { .. } => channel_pending_send.send(()).unwrap(),
Event::ChannelReady { .. } => {},
_ => panic!("Unexpected event: {:?}", event),
};
// Open a channel and check that the FundingGenerationReady event was handled.
begin_open_channel!(nodes[0], nodes[1], channel_value);
- let (temporary_channel_id, funding_tx) = receiver
+ let (temporary_channel_id, funding_tx) = funding_generation_recv
.recv_timeout(Duration::from_secs(EVENT_DEADLINE))
.expect("FundingGenerationReady not handled within deadline");
- end_open_channel!(nodes[0], nodes[1], temporary_channel_id, funding_tx);
+ nodes[0].node.funding_transaction_generated(&temporary_channel_id, &nodes[1].node.get_our_node_id(), funding_tx.clone()).unwrap();
+ nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id()));
+ get_event!(nodes[1], Event::ChannelPending);
+ 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()));
+ let _ = channel_pending_recv.recv_timeout(Duration::from_secs(EVENT_DEADLINE))
+ .expect("ChannelPending not handled within deadline");
// Confirm the funding transaction.
confirm_transaction(&mut nodes[0], &funding_tx);
}
}
+ macro_rules! do_test_not_pruning_network_graph_until_graph_sync_completion {
+ ($nodes: expr, $receive: expr, $sleep: expr) => {
+ let features = ChannelFeatures::empty();
+ $nodes[0].network_graph.add_channel_from_partial_announcement(
+ 42, 53, features, $nodes[0].node.get_our_node_id(), $nodes[1].node.get_our_node_id()
+ ).expect("Failed to update channel from partial announcement");
+ let original_graph_description = $nodes[0].network_graph.to_string();
+ assert!(original_graph_description.contains("42: features: 0000, node_one:"));
+ assert_eq!($nodes[0].network_graph.read_only().channels().len(), 1);
+
+ loop {
+ $sleep;
+ let log_entries = $nodes[0].logger.lines.lock().unwrap();
+ let loop_counter = "Calling ChannelManager's timer_tick_occurred".to_string();
+ if *log_entries.get(&("lightning_background_processor".to_string(), loop_counter))
+ .unwrap_or(&0) > 1
+ {
+ // Wait until the loop has gone around at least twice.
+ break
+ }
+ }
+
+ let initialization_input = vec![
+ 76, 68, 75, 1, 111, 226, 140, 10, 182, 241, 179, 114, 193, 166, 162, 70, 174, 99, 247,
+ 79, 147, 30, 131, 101, 225, 90, 8, 156, 104, 214, 25, 0, 0, 0, 0, 0, 97, 227, 98, 218,
+ 0, 0, 0, 4, 2, 22, 7, 207, 206, 25, 164, 197, 231, 230, 231, 56, 102, 61, 250, 251,
+ 187, 172, 38, 46, 79, 247, 108, 44, 155, 48, 219, 238, 252, 53, 192, 6, 67, 2, 36, 125,
+ 157, 176, 223, 175, 234, 116, 94, 248, 201, 225, 97, 235, 50, 47, 115, 172, 63, 136,
+ 88, 216, 115, 11, 111, 217, 114, 84, 116, 124, 231, 107, 2, 158, 1, 242, 121, 152, 106,
+ 204, 131, 186, 35, 93, 70, 216, 10, 237, 224, 183, 89, 95, 65, 3, 83, 185, 58, 138,
+ 181, 64, 187, 103, 127, 68, 50, 2, 201, 19, 17, 138, 136, 149, 185, 226, 156, 137, 175,
+ 110, 32, 237, 0, 217, 90, 31, 100, 228, 149, 46, 219, 175, 168, 77, 4, 143, 38, 128,
+ 76, 97, 0, 0, 0, 2, 0, 0, 255, 8, 153, 192, 0, 2, 27, 0, 0, 0, 1, 0, 0, 255, 2, 68,
+ 226, 0, 6, 11, 0, 1, 2, 3, 0, 0, 0, 2, 0, 40, 0, 0, 0, 0, 0, 0, 3, 232, 0, 0, 3, 232,
+ 0, 0, 0, 1, 0, 0, 0, 0, 58, 85, 116, 216, 255, 8, 153, 192, 0, 2, 27, 0, 0, 25, 0, 0,
+ 0, 1, 0, 0, 0, 125, 255, 2, 68, 226, 0, 6, 11, 0, 1, 5, 0, 0, 0, 0, 29, 129, 25, 192,
+ ];
+ $nodes[0].rapid_gossip_sync.update_network_graph_no_std(&initialization_input[..], Some(1642291930)).unwrap();
+
+ // this should have added two channels and pruned the previous one.
+ assert_eq!($nodes[0].network_graph.read_only().channels().len(), 2);
+
+ $receive.expect("Network graph not pruned within deadline");
+
+ // all channels should now be pruned
+ assert_eq!($nodes[0].network_graph.read_only().channels().len(), 0);
+ }
+ }
+
#[test]
fn test_not_pruning_network_graph_until_graph_sync_completion() {
+ let (sender, receiver) = std::sync::mpsc::sync_channel(1);
+
let nodes = create_nodes(2, "test_not_pruning_network_graph_until_graph_sync_completion".to_string());
let data_dir = nodes[0].persister.get_data_dir();
- let (sender, receiver) = std::sync::mpsc::sync_channel(1);
let persister = Arc::new(Persister::new(data_dir).with_graph_persistence_notifier(sender));
- let network_graph = nodes[0].network_graph.clone();
- let features = ChannelFeatures::empty();
- network_graph.add_channel_from_partial_announcement(42, 53, features, nodes[0].node.get_our_node_id(), nodes[1].node.get_our_node_id())
- .expect("Failed to update channel from partial announcement");
- let original_graph_description = network_graph.to_string();
- assert!(original_graph_description.contains("42: features: 0000, node_one:"));
- assert_eq!(network_graph.read_only().channels().len(), 1);
let event_handler = |_: _| {};
let background_processor = BackgroundProcessor::start(persister, event_handler, nodes[0].chain_monitor.clone(), nodes[0].node.clone(), nodes[0].rapid_gossip_sync(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()));
- loop {
- let log_entries = nodes[0].logger.lines.lock().unwrap();
- let loop_counter = "Calling ChannelManager's timer_tick_occurred".to_string();
- if *log_entries.get(&("lightning_background_processor".to_string(), loop_counter))
- .unwrap_or(&0) > 1
- {
- // Wait until the loop has gone around at least twice.
- break
+ do_test_not_pruning_network_graph_until_graph_sync_completion!(nodes,
+ receiver.recv_timeout(Duration::from_secs(super::FIRST_NETWORK_PRUNE_TIMER * 5)),
+ std::thread::sleep(Duration::from_millis(1)));
+
+ background_processor.stop().unwrap();
+ }
+
+ #[tokio::test]
+ #[cfg(feature = "futures")]
+ async fn test_not_pruning_network_graph_until_graph_sync_completion_async() {
+ let (sender, receiver) = std::sync::mpsc::sync_channel(1);
+
+ let nodes = create_nodes(2, "test_not_pruning_network_graph_until_graph_sync_completion_async".to_string());
+ let data_dir = nodes[0].persister.get_data_dir();
+ let persister = Arc::new(Persister::new(data_dir).with_graph_persistence_notifier(sender));
+
+ let (exit_sender, exit_receiver) = tokio::sync::watch::channel(());
+ let bp_future = super::process_events_async(
+ persister, |_: _| {async {}}, nodes[0].chain_monitor.clone(), nodes[0].node.clone(),
+ nodes[0].rapid_gossip_sync(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(),
+ Some(nodes[0].scorer.clone()), move |dur: Duration| {
+ let mut exit_receiver = exit_receiver.clone();
+ Box::pin(async move {
+ tokio::select! {
+ _ = tokio::time::sleep(dur) => false,
+ _ = exit_receiver.changed() => true,
+ }
+ })
+ }, false,
+ );
+
+ let t1 = tokio::spawn(bp_future);
+ let t2 = tokio::spawn(async move {
+ do_test_not_pruning_network_graph_until_graph_sync_completion!(nodes, {
+ let mut i = 0;
+ loop {
+ tokio::time::sleep(Duration::from_secs(super::FIRST_NETWORK_PRUNE_TIMER)).await;
+ if let Ok(()) = receiver.try_recv() { break Ok::<(), ()>(()); }
+ assert!(i < 5);
+ i += 1;
+ }
+ }, tokio::time::sleep(Duration::from_millis(1)).await);
+ exit_sender.send(()).unwrap();
+ });
+ let (r1, r2) = tokio::join!(t1, t2);
+ r1.unwrap().unwrap();
+ r2.unwrap()
+ }
+
+ macro_rules! do_test_payment_path_scoring {
+ ($nodes: expr, $receive: expr) => {
+ // Ensure that we update the scorer when relevant events are processed. In this case, we ensure
+ // that we update the scorer upon a payment path succeeding (note that the channel must be
+ // public or else we won't score it).
+ // A background event handler for FundingGenerationReady events must be hooked up to a
+ // running background processor.
+ let scored_scid = 4242;
+ let secp_ctx = Secp256k1::new();
+ let node_1_privkey = SecretKey::from_slice(&[42; 32]).unwrap();
+ let node_1_id = PublicKey::from_secret_key(&secp_ctx, &node_1_privkey);
+
+ let path = Path { hops: vec![RouteHop {
+ pubkey: node_1_id,
+ node_features: NodeFeatures::empty(),
+ short_channel_id: scored_scid,
+ channel_features: ChannelFeatures::empty(),
+ fee_msat: 0,
+ cltv_expiry_delta: MIN_CLTV_EXPIRY_DELTA as u32,
+ }], blinded_tail: None };
+
+ $nodes[0].scorer.lock().unwrap().expect(TestResult::PaymentFailure { path: path.clone(), short_channel_id: scored_scid });
+ $nodes[0].node.push_pending_event(Event::PaymentPathFailed {
+ payment_id: None,
+ payment_hash: PaymentHash([42; 32]),
+ payment_failed_permanently: false,
+ failure: PathFailure::OnPath { network_update: None },
+ path: path.clone(),
+ short_channel_id: Some(scored_scid),
+ });
+ let event = $receive.expect("PaymentPathFailed not handled within deadline");
+ match event {
+ Event::PaymentPathFailed { .. } => {},
+ _ => panic!("Unexpected event"),
}
- }
- let initialization_input = vec![
- 76, 68, 75, 1, 111, 226, 140, 10, 182, 241, 179, 114, 193, 166, 162, 70, 174, 99, 247,
- 79, 147, 30, 131, 101, 225, 90, 8, 156, 104, 214, 25, 0, 0, 0, 0, 0, 97, 227, 98, 218,
- 0, 0, 0, 4, 2, 22, 7, 207, 206, 25, 164, 197, 231, 230, 231, 56, 102, 61, 250, 251,
- 187, 172, 38, 46, 79, 247, 108, 44, 155, 48, 219, 238, 252, 53, 192, 6, 67, 2, 36, 125,
- 157, 176, 223, 175, 234, 116, 94, 248, 201, 225, 97, 235, 50, 47, 115, 172, 63, 136,
- 88, 216, 115, 11, 111, 217, 114, 84, 116, 124, 231, 107, 2, 158, 1, 242, 121, 152, 106,
- 204, 131, 186, 35, 93, 70, 216, 10, 237, 224, 183, 89, 95, 65, 3, 83, 185, 58, 138,
- 181, 64, 187, 103, 127, 68, 50, 2, 201, 19, 17, 138, 136, 149, 185, 226, 156, 137, 175,
- 110, 32, 237, 0, 217, 90, 31, 100, 228, 149, 46, 219, 175, 168, 77, 4, 143, 38, 128,
- 76, 97, 0, 0, 0, 2, 0, 0, 255, 8, 153, 192, 0, 2, 27, 0, 0, 0, 1, 0, 0, 255, 2, 68,
- 226, 0, 6, 11, 0, 1, 2, 3, 0, 0, 0, 2, 0, 40, 0, 0, 0, 0, 0, 0, 3, 232, 0, 0, 3, 232,
- 0, 0, 0, 1, 0, 0, 0, 0, 58, 85, 116, 216, 255, 8, 153, 192, 0, 2, 27, 0, 0, 25, 0, 0,
- 0, 1, 0, 0, 0, 125, 255, 2, 68, 226, 0, 6, 11, 0, 1, 5, 0, 0, 0, 0, 29, 129, 25, 192,
- ];
- nodes[0].rapid_gossip_sync.update_network_graph_no_std(&initialization_input[..], Some(1642291930)).unwrap();
-
- // this should have added two channels
- assert_eq!(network_graph.read_only().channels().len(), 3);
-
- receiver
- .recv_timeout(Duration::from_secs(super::FIRST_NETWORK_PRUNE_TIMER * 5))
- .expect("Network graph not pruned within deadline");
+ // Ensure we'll score payments that were explicitly failed back by the destination as
+ // ProbeSuccess.
+ $nodes[0].scorer.lock().unwrap().expect(TestResult::ProbeSuccess { path: path.clone() });
+ $nodes[0].node.push_pending_event(Event::PaymentPathFailed {
+ payment_id: None,
+ payment_hash: PaymentHash([42; 32]),
+ payment_failed_permanently: true,
+ failure: PathFailure::OnPath { network_update: None },
+ path: path.clone(),
+ short_channel_id: None,
+ });
+ let event = $receive.expect("PaymentPathFailed not handled within deadline");
+ match event {
+ Event::PaymentPathFailed { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
- background_processor.stop().unwrap();
+ $nodes[0].scorer.lock().unwrap().expect(TestResult::PaymentSuccess { path: path.clone() });
+ $nodes[0].node.push_pending_event(Event::PaymentPathSuccessful {
+ payment_id: PaymentId([42; 32]),
+ payment_hash: None,
+ path: path.clone(),
+ });
+ let event = $receive.expect("PaymentPathSuccessful not handled within deadline");
+ match event {
+ Event::PaymentPathSuccessful { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
- // all channels should now be pruned
- assert_eq!(network_graph.read_only().channels().len(), 0);
+ $nodes[0].scorer.lock().unwrap().expect(TestResult::ProbeSuccess { path: path.clone() });
+ $nodes[0].node.push_pending_event(Event::ProbeSuccessful {
+ payment_id: PaymentId([42; 32]),
+ payment_hash: PaymentHash([42; 32]),
+ path: path.clone(),
+ });
+ let event = $receive.expect("ProbeSuccessful not handled within deadline");
+ match event {
+ Event::ProbeSuccessful { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+
+ $nodes[0].scorer.lock().unwrap().expect(TestResult::ProbeFailure { path: path.clone() });
+ $nodes[0].node.push_pending_event(Event::ProbeFailed {
+ payment_id: PaymentId([42; 32]),
+ payment_hash: PaymentHash([42; 32]),
+ path,
+ short_channel_id: Some(scored_scid),
+ });
+ let event = $receive.expect("ProbeFailure not handled within deadline");
+ match event {
+ Event::ProbeFailed { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ }
}
#[test]
fn test_payment_path_scoring() {
- // Ensure that we update the scorer when relevant events are processed. In this case, we ensure
- // that we update the scorer upon a payment path succeeding (note that the channel must be
- // public or else we won't score it).
- // Set up a background event handler for FundingGenerationReady events.
let (sender, receiver) = std::sync::mpsc::sync_channel(1);
let event_handler = move |event: Event| match event {
Event::PaymentPathFailed { .. } => sender.send(event).unwrap(),
let persister = Arc::new(Persister::new(data_dir));
let bg_processor = BackgroundProcessor::start(persister, event_handler, nodes[0].chain_monitor.clone(), nodes[0].node.clone(), nodes[0].no_gossip_sync(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()));
- let scored_scid = 4242;
- let secp_ctx = Secp256k1::new();
- let node_1_privkey = SecretKey::from_slice(&[42; 32]).unwrap();
- let node_1_id = PublicKey::from_secret_key(&secp_ctx, &node_1_privkey);
-
- let path = vec![RouteHop {
- pubkey: node_1_id,
- node_features: NodeFeatures::empty(),
- short_channel_id: scored_scid,
- channel_features: ChannelFeatures::empty(),
- fee_msat: 0,
- cltv_expiry_delta: MIN_CLTV_EXPIRY_DELTA as u32,
- }];
-
- nodes[0].scorer.lock().unwrap().expect(TestResult::PaymentFailure { path: path.clone(), short_channel_id: scored_scid });
- nodes[0].node.push_pending_event(Event::PaymentPathFailed {
- payment_id: None,
- payment_hash: PaymentHash([42; 32]),
- payment_failed_permanently: false,
- failure: PathFailure::OnPath { network_update: None },
- path: path.clone(),
- short_channel_id: Some(scored_scid),
- });
- let event = receiver
- .recv_timeout(Duration::from_secs(EVENT_DEADLINE))
- .expect("PaymentPathFailed not handled within deadline");
- match event {
- Event::PaymentPathFailed { .. } => {},
- _ => panic!("Unexpected event"),
- }
+ do_test_payment_path_scoring!(nodes, receiver.recv_timeout(Duration::from_secs(EVENT_DEADLINE)));
- // Ensure we'll score payments that were explicitly failed back by the destination as
- // ProbeSuccess.
- nodes[0].scorer.lock().unwrap().expect(TestResult::ProbeSuccess { path: path.clone() });
- nodes[0].node.push_pending_event(Event::PaymentPathFailed {
- payment_id: None,
- payment_hash: PaymentHash([42; 32]),
- payment_failed_permanently: true,
- failure: PathFailure::OnPath { network_update: None },
- path: path.clone(),
- short_channel_id: None,
- });
- let event = receiver
- .recv_timeout(Duration::from_secs(EVENT_DEADLINE))
- .expect("PaymentPathFailed not handled within deadline");
- match event {
- Event::PaymentPathFailed { .. } => {},
- _ => panic!("Unexpected event"),
+ if !std::thread::panicking() {
+ bg_processor.stop().unwrap();
}
+ }
- nodes[0].scorer.lock().unwrap().expect(TestResult::PaymentSuccess { path: path.clone() });
- nodes[0].node.push_pending_event(Event::PaymentPathSuccessful {
- payment_id: PaymentId([42; 32]),
- payment_hash: None,
- path: path.clone(),
- });
- let event = receiver
- .recv_timeout(Duration::from_secs(EVENT_DEADLINE))
- .expect("PaymentPathSuccessful not handled within deadline");
- match event {
- Event::PaymentPathSuccessful { .. } => {},
- _ => panic!("Unexpected event"),
- }
+ #[tokio::test]
+ #[cfg(feature = "futures")]
+ async fn test_payment_path_scoring_async() {
+ let (sender, mut receiver) = tokio::sync::mpsc::channel(1);
+ let event_handler = move |event: Event| {
+ let sender_ref = sender.clone();
+ async move {
+ match event {
+ Event::PaymentPathFailed { .. } => { sender_ref.send(event).await.unwrap() },
+ Event::PaymentPathSuccessful { .. } => { sender_ref.send(event).await.unwrap() },
+ Event::ProbeSuccessful { .. } => { sender_ref.send(event).await.unwrap() },
+ Event::ProbeFailed { .. } => { sender_ref.send(event).await.unwrap() },
+ _ => panic!("Unexpected event: {:?}", event),
+ }
+ }
+ };
- nodes[0].scorer.lock().unwrap().expect(TestResult::ProbeSuccess { path: path.clone() });
- nodes[0].node.push_pending_event(Event::ProbeSuccessful {
- payment_id: PaymentId([42; 32]),
- payment_hash: PaymentHash([42; 32]),
- path: path.clone(),
- });
- let event = receiver
- .recv_timeout(Duration::from_secs(EVENT_DEADLINE))
- .expect("ProbeSuccessful not handled within deadline");
- match event {
- Event::ProbeSuccessful { .. } => {},
- _ => panic!("Unexpected event"),
- }
+ let nodes = create_nodes(1, "test_payment_path_scoring_async".to_string());
+ let data_dir = nodes[0].persister.get_data_dir();
+ let persister = Arc::new(Persister::new(data_dir));
- nodes[0].scorer.lock().unwrap().expect(TestResult::ProbeFailure { path: path.clone() });
- nodes[0].node.push_pending_event(Event::ProbeFailed {
- payment_id: PaymentId([42; 32]),
- payment_hash: PaymentHash([42; 32]),
- path,
- short_channel_id: Some(scored_scid),
+ let (exit_sender, exit_receiver) = tokio::sync::watch::channel(());
+
+ let bp_future = super::process_events_async(
+ persister, event_handler, nodes[0].chain_monitor.clone(), nodes[0].node.clone(),
+ nodes[0].no_gossip_sync(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(),
+ Some(nodes[0].scorer.clone()), move |dur: Duration| {
+ let mut exit_receiver = exit_receiver.clone();
+ Box::pin(async move {
+ tokio::select! {
+ _ = tokio::time::sleep(dur) => false,
+ _ = exit_receiver.changed() => true,
+ }
+ })
+ }, false,
+ );
+ let t1 = tokio::spawn(bp_future);
+ let t2 = tokio::spawn(async move {
+ do_test_payment_path_scoring!(nodes, receiver.recv().await);
+ exit_sender.send(()).unwrap();
});
- let event = receiver
- .recv_timeout(Duration::from_secs(EVENT_DEADLINE))
- .expect("ProbeFailure not handled within deadline");
- match event {
- Event::ProbeFailed { .. } => {},
- _ => panic!("Unexpected event"),
- }
- if !std::thread::panicking() {
- bg_processor.stop().unwrap();
- }
+ let (r1, r2) = tokio::join!(t1, t2);
+ r1.unwrap().unwrap();
+ r2.unwrap()
}
}