#![deny(private_intra_doc_links)]
#![deny(missing_docs)]
-#![deny(unsafe_code)]
+#![cfg_attr(not(feature = "futures"), deny(unsafe_code))]
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(all(not(feature = "std"), not(test)), no_std)]
+
+#[cfg(any(test, feature = "std"))]
+extern crate core;
+
+#[cfg(not(feature = "std"))]
+extern crate alloc;
+
#[macro_use] extern crate lightning;
extern crate lightning_rapid_gossip_sync;
use lightning::chain;
use lightning::chain::chaininterface::{BroadcasterInterface, FeeEstimator};
use lightning::chain::chainmonitor::{ChainMonitor, Persist};
-use lightning::chain::keysinterface::{EntropySource, NodeSigner, SignerProvider};
+use lightning::sign::{EntropySource, NodeSigner, SignerProvider};
+use lightning::events::{Event, PathFailure};
+#[cfg(feature = "std")]
+use lightning::events::{EventHandler, EventsProvider};
use lightning::ln::channelmanager::ChannelManager;
-use lightning::ln::msgs::{ChannelMessageHandler, OnionMessageHandler, RoutingMessageHandler};
-use lightning::ln::peer_handler::{CustomMessageHandler, PeerManager, SocketDescriptor};
+use lightning::ln::peer_handler::APeerManager;
use lightning::routing::gossip::{NetworkGraph, P2PGossipSync};
+use lightning::routing::utxo::UtxoLookup;
use lightning::routing::router::Router;
-use lightning::routing::scoring::WriteableScore;
-use lightning::util::events::{Event, EventHandler, EventsProvider};
+use lightning::routing::scoring::{ScoreUpdate, WriteableScore};
use lightning::util::logger::Logger;
use lightning::util::persist::Persister;
+#[cfg(feature = "std")]
+use lightning::util::wakers::Sleeper;
use lightning_rapid_gossip_sync::RapidGossipSync;
+
+use core::ops::Deref;
+use core::time::Duration;
+
+#[cfg(feature = "std")]
use std::sync::Arc;
-use std::sync::atomic::{AtomicBool, Ordering};
-use std::thread;
-use std::thread::JoinHandle;
-use std::time::{Duration, Instant};
-use std::ops::Deref;
+#[cfg(feature = "std")]
+use core::sync::atomic::{AtomicBool, Ordering};
+#[cfg(feature = "std")]
+use std::thread::{self, JoinHandle};
+#[cfg(feature = "std")]
+use std::time::Instant;
-#[cfg(feature = "futures")]
-use futures_util::{select_biased, future::FutureExt};
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
/// `BackgroundProcessor` takes care of tasks that (1) need to happen periodically to keep
/// Rust-Lightning running properly, and (2) either can or should be run in the background. Its
/// * 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`]).
///
/// unilateral chain closure fees are at risk.
///
/// [`ChannelMonitor`]: lightning::chain::channelmonitor::ChannelMonitor
-/// [`Event`]: lightning::util::events::Event
+/// [`Event`]: lightning::events::Event
+/// [`PeerManager::timer_tick_occurred`]: lightning::ln::peer_handler::PeerManager::timer_tick_occurred
+/// [`PeerManager::process_events`]: lightning::ln::peer_handler::PeerManager::process_events
+#[cfg(feature = "std")]
#[must_use = "BackgroundProcessor will immediately stop on drop. It should be stored until shutdown."]
pub struct BackgroundProcessor {
stop_thread: Arc<AtomicBool>,
const NETWORK_PRUNE_TIMER: u64 = 60 * 60;
#[cfg(not(test))]
-const SCORER_PERSIST_TIMER: u64 = 30;
+const SCORER_PERSIST_TIMER: u64 = 60 * 60;
#[cfg(test)]
const SCORER_PERSIST_TIMER: u64 = 1;
#[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, min_u64(FIRST_NETWORK_PRUNE_TIMER, REBROADCAST_TIMER)));
+
/// Either [`P2PGossipSync`] or [`RapidGossipSync`].
pub enum GossipSync<
- P: Deref<Target = P2PGossipSync<G, A, L>>,
+ P: Deref<Target = P2PGossipSync<G, U, L>>,
R: Deref<Target = RapidGossipSync<G, L>>,
G: Deref<Target = NetworkGraph<L>>,
- A: Deref,
+ U: Deref,
L: Deref,
>
-where A::Target: chain::Access, L::Target: Logger {
+where U::Target: UtxoLookup, L::Target: Logger {
/// Gossip sync via the lightning peer-to-peer network as defined by BOLT 7.
P2P(P),
/// Rapid gossip sync from a trusted server.
}
impl<
- P: Deref<Target = P2PGossipSync<G, A, L>>,
+ P: Deref<Target = P2PGossipSync<G, U, L>>,
R: Deref<Target = RapidGossipSync<G, L>>,
G: Deref<Target = NetworkGraph<L>>,
- A: Deref,
+ U: Deref,
L: Deref,
-> GossipSync<P, R, G, A, L>
-where A::Target: chain::Access, L::Target: Logger {
+> GossipSync<P, R, G, U, L>
+where U::Target: UtxoLookup, L::Target: Logger {
fn network_graph(&self) -> Option<&G> {
match self {
GossipSync::P2P(gossip_sync) => Some(gossip_sync.network_graph()),
}
}
-/// (C-not exported) as the bindings concretize everything and have constructors for us
-impl<P: Deref<Target = P2PGossipSync<G, A, L>>, G: Deref<Target = NetworkGraph<L>>, A: Deref, L: Deref>
- GossipSync<P, &RapidGossipSync<G, L>, G, A, L>
+/// This is not exported to bindings users as the bindings concretize everything and have constructors for us
+impl<P: Deref<Target = P2PGossipSync<G, U, L>>, G: Deref<Target = NetworkGraph<L>>, U: Deref, L: Deref>
+ GossipSync<P, &RapidGossipSync<G, L>, G, U, L>
where
- A::Target: chain::Access,
+ U::Target: UtxoLookup,
L::Target: Logger,
{
/// Initializes a new [`GossipSync::P2P`] variant.
}
}
-/// (C-not exported) as the bindings concretize everything and have constructors for us
+/// This is not exported to bindings users as the bindings concretize everything and have constructors for us
impl<'a, R: Deref<Target = RapidGossipSync<G, L>>, G: Deref<Target = NetworkGraph<L>>, L: Deref>
GossipSync<
- &P2PGossipSync<G, &'a (dyn chain::Access + Send + Sync), L>,
+ &P2PGossipSync<G, &'a (dyn UtxoLookup + Send + Sync), L>,
R,
G,
- &'a (dyn chain::Access + Send + Sync),
+ &'a (dyn UtxoLookup + Send + Sync),
L,
>
where
}
}
-/// (C-not exported) as the bindings concretize everything and have constructors for us
+/// This is not exported to bindings users as the bindings concretize everything and have constructors for us
impl<'a, L: Deref>
GossipSync<
- &P2PGossipSync<&'a NetworkGraph<L>, &'a (dyn chain::Access + Send + Sync), L>,
+ &P2PGossipSync<&'a NetworkGraph<L>, &'a (dyn UtxoLookup + Send + Sync), L>,
&RapidGossipSync<&'a NetworkGraph<L>, L>,
&'a NetworkGraph<L>,
- &'a (dyn chain::Access + Send + Sync),
+ &'a (dyn UtxoLookup + Send + Sync),
L,
>
where
fn handle_network_graph_update<L: Deref>(
network_graph: &NetworkGraph<L>, event: &Event
) where L::Target: Logger {
- if let Event::PaymentPathFailed { ref network_update, .. } = event {
- if let Some(network_update) = network_update {
- network_graph.handle_network_update(&network_update);
- }
+ if let Event::PaymentPathFailed {
+ failure: PathFailure::OnPath { network_update: Some(ref upd) }, .. } = event
+ {
+ network_graph.handle_network_update(upd);
+ }
+}
+
+/// Updates scorer based on event and returns whether an update occurred so we can decide whether
+/// to persist.
+fn update_scorer<'a, S: 'static + Deref<Target = SC> + Send + Sync, SC: 'a + WriteableScore<'a>>(
+ scorer: &'a S, event: &Event
+) -> bool {
+ match event {
+ Event::PaymentPathFailed { ref path, short_channel_id: Some(scid), .. } => {
+ let mut score = scorer.write_lock();
+ 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 mut score = scorer.write_lock();
+ score.probe_successful(path);
+ },
+ Event::PaymentPathSuccessful { path, .. } => {
+ let mut score = scorer.write_lock();
+ score.payment_path_successful(path);
+ },
+ Event::ProbeSuccessful { path, .. } => {
+ let mut score = scorer.write_lock();
+ score.probe_successful(path);
+ },
+ Event::ProbeFailed { path, short_channel_id: Some(scid), .. } => {
+ let mut score = scorer.write_lock();
+ score.probe_failed(path, *scid);
+ },
+ _ => return false,
}
+ true
}
macro_rules! define_run_body {
($persister: ident, $chain_monitor: ident, $process_chain_monitor_events: expr,
$channel_manager: ident, $process_channel_manager_events: expr,
$gossip_sync: ident, $peer_manager: ident, $logger: ident, $scorer: ident,
- $loop_exit_check: expr, $await: expr)
+ $loop_exit_check: expr, $await: expr, $get_timer: expr, $timer_elapsed: expr,
+ $check_slow_await: expr)
=> { {
log_trace!($logger, "Calling ChannelManager's timer_tick_occurred on startup");
$channel_manager.timer_tick_occurred();
-
- let mut last_freshness_call = Instant::now();
- let mut last_ping_call = Instant::now();
- let mut last_prune_call = Instant::now();
- let mut last_scorer_persist_call = Instant::now();
+ log_trace!($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 {
// ChannelManager, we want to minimize methods blocking on a ChannelManager
// generally, and as a fallback place such blocking only immediately before
// persistence.
- $peer_manager.process_events();
+ $peer_manager.as_ref().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 await_start = Instant::now();
- let updates_available = $await;
- let await_time = await_start.elapsed();
+ let mut await_start = None;
+ if $check_slow_await { await_start = Some($get_timer(1)); }
+ $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 last_freshness_call.elapsed().as_secs() > FRESHNESS_TIMER {
+
+ if $channel_manager.get_and_clear_needs_persistence() {
+ log_trace!($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();
- last_freshness_call = Instant::now();
+ last_freshness_call = $get_timer(FRESHNESS_TIMER);
}
- if await_time > Duration::from_secs(1) {
+ if await_slow {
// On various platforms, we may be starved of CPU cycles for several reasons.
// E.g. on iOS, if we've been in the background, we will be entirely paused.
// Similarly, if we're on a desktop platform and the device has been asleep, we
// more than a handful of seconds to complete, and shouldn't disconnect all our
// peers.
log_trace!($logger, "100ms sleep took more than a second, disconnecting peers.");
- $peer_manager.disconnect_all_peers();
- last_ping_call = Instant::now();
- } else if last_ping_call.elapsed().as_secs() > PING_TIMER {
+ $peer_manager.as_ref().disconnect_all_peers();
+ last_ping_call = $get_timer(PING_TIMER);
+ } else if $timer_elapsed(&mut last_ping_call, PING_TIMER) {
log_trace!($logger, "Calling PeerManager's timer_tick_occurred");
- $peer_manager.timer_tick_occurred();
- last_ping_call = Instant::now();
+ $peer_manager.as_ref().timer_tick_occurred();
+ last_ping_call = $get_timer(PING_TIMER);
}
// Note that we want to run a graph prune once not long after startup before
// 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 last_prune_call.elapsed().as_secs() > if have_pruned { NETWORK_PRUNE_TIMER } else { FIRST_NETWORK_PRUNE_TIMER } {
+ // continuing our normal cadence. For RGS, since 60 seconds is likely too long,
+ // we prune after an initial sync completes.
+ let prune_timer = if have_pruned { NETWORK_PRUNE_TIMER } else { FIRST_NETWORK_PRUNE_TIMER };
+ let prune_timer_elapsed = $timer_elapsed(&mut last_prune_call, prune_timer);
+ let should_prune = match $gossip_sync {
+ GossipSync::Rapid(_) => !have_pruned || prune_timer_elapsed,
+ _ => prune_timer_elapsed,
+ };
+ if should_prune {
// The network graph must not be pruned while rapid sync completion is pending
if let Some(network_graph) = $gossip_sync.prunable_network_graph() {
- log_trace!($logger, "Pruning and persisting network graph.");
- network_graph.remove_stale_channels_and_tracking();
+ #[cfg(feature = "std")] {
+ log_trace!($logger, "Pruning and persisting network graph.");
+ network_graph.remove_stale_channels_and_tracking();
+ }
+ #[cfg(not(feature = "std"))] {
+ log_warn!($logger, "Not pruning network graph, consider enabling `std` or doing so manually with remove_stale_channels_and_tracking_with_time.");
+ log_trace!($logger, "Persisting network graph.");
+ }
if let Err(e) = $persister.persist_graph(network_graph) {
log_error!($logger, "Error: Failed to persist network graph, check your disk and permissions {}", e)
}
- last_prune_call = Instant::now();
have_pruned = true;
}
+ let prune_timer = if have_pruned { NETWORK_PRUNE_TIMER } else { FIRST_NETWORK_PRUNE_TIMER };
+ last_prune_call = $get_timer(prune_timer);
}
- if last_scorer_persist_call.elapsed().as_secs() > SCORER_PERSIST_TIMER {
+ if $timer_elapsed(&mut last_scorer_persist_call, SCORER_PERSIST_TIMER) {
if let Some(ref scorer) = $scorer {
log_trace!($logger, "Persisting scorer");
if let Err(e) = $persister.persist_scorer(&scorer) {
log_error!($logger, "Error: Failed to persist scorer, check your disk and permissions {}", e)
}
}
- last_scorer_persist_call = Instant::now();
+ 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);
}
}
} }
}
+#[cfg(feature = "futures")]
+pub(crate) mod futures_util {
+ use core::future::Future;
+ use core::task::{Poll, Waker, RawWaker, RawWakerVTable};
+ use core::pin::Pin;
+ use core::marker::Unpin;
+ pub(crate) struct Selector<
+ A: Future<Output=()> + Unpin, B: Future<Output=()> + Unpin, C: Future<Output=bool> + Unpin
+ > {
+ pub a: A,
+ pub b: B,
+ pub c: C,
+ }
+ pub(crate) enum SelectorOutput {
+ A, B, C(bool),
+ }
+
+ impl<
+ A: Future<Output=()> + Unpin, B: Future<Output=()> + Unpin, C: Future<Output=bool> + Unpin
+ > Future for Selector<A, B, C> {
+ type Output = SelectorOutput;
+ fn poll(mut self: Pin<&mut Self>, ctx: &mut core::task::Context<'_>) -> Poll<SelectorOutput> {
+ match Pin::new(&mut self.a).poll(ctx) {
+ Poll::Ready(()) => { return Poll::Ready(SelectorOutput::A); },
+ Poll::Pending => {},
+ }
+ match Pin::new(&mut self.b).poll(ctx) {
+ Poll::Ready(()) => { return Poll::Ready(SelectorOutput::B); },
+ Poll::Pending => {},
+ }
+ match Pin::new(&mut self.c).poll(ctx) {
+ Poll::Ready(res) => { return Poll::Ready(SelectorOutput::C(res)); },
+ Poll::Pending => {},
+ }
+ Poll::Pending
+ }
+ }
+
+ // If we want to poll a future without an async context to figure out if it has completed or
+ // not without awaiting, we need a Waker, which needs a vtable...we fill it with dummy values
+ // but sadly there's a good bit of boilerplate here.
+ fn dummy_waker_clone(_: *const ()) -> RawWaker { RawWaker::new(core::ptr::null(), &DUMMY_WAKER_VTABLE) }
+ fn dummy_waker_action(_: *const ()) { }
+
+ const DUMMY_WAKER_VTABLE: RawWakerVTable = RawWakerVTable::new(
+ dummy_waker_clone, dummy_waker_action, dummy_waker_action, dummy_waker_action);
+ pub(crate) fn dummy_waker() -> Waker { unsafe { Waker::from_raw(RawWaker::new(core::ptr::null(), &DUMMY_WAKER_VTABLE)) } }
+}
+#[cfg(feature = "futures")]
+use futures_util::{Selector, SelectorOutput, dummy_waker};
+#[cfg(feature = "futures")]
+use core::task;
+
/// Processes background events in a future.
///
/// `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.
+///
+/// Requires the `futures` feature. Note that while this method is available without the `std`
+/// feature, doing so will skip calling [`NetworkGraph::remove_stale_channels_and_tracking`],
+/// you should call [`NetworkGraph::remove_stale_channels_and_tracking_with_time`] regularly
+/// manually instead.
+///
+/// The `mobile_interruptable_platform` flag should be set if we're currently running on a
+/// 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:
+/// ```
+/// # use lightning::io;
+/// # use std::sync::{Arc, RwLock};
+/// # use std::sync::atomic::{AtomicBool, Ordering};
+/// # use lightning_background_processor::{process_events_async, GossipSync};
+/// # struct MyStore {}
+/// # impl lightning::util::persist::KVStore for MyStore {
+/// # fn read(&self, primary_namespace: &str, secondary_namespace: &str, key: &str) -> io::Result<Vec<u8>> { Ok(Vec::new()) }
+/// # fn write(&self, primary_namespace: &str, secondary_namespace: &str, key: &str, buf: &[u8]) -> io::Result<()> { Ok(()) }
+/// # fn remove(&self, primary_namespace: &str, secondary_namespace: &str, key: &str, lazy: bool) -> io::Result<()> { Ok(()) }
+/// # fn list(&self, primary_namespace: &str, secondary_namespace: &str) -> io::Result<Vec<String>> { Ok(Vec::new()) }
+/// # }
+/// # 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) {}
+/// # }
+/// # type MyBroadcaster = dyn lightning::chain::chaininterface::BroadcasterInterface + Send + Sync;
+/// # type MyFeeEstimator = dyn lightning::chain::chaininterface::FeeEstimator + Send + Sync;
+/// # type MyNodeSigner = dyn lightning::sign::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::sign::InMemorySigner, Arc<MyFilter>, Arc<MyBroadcaster>, Arc<MyFeeEstimator>, Arc<MyLogger>, Arc<MyStore>>;
+/// # type MyPeerManager = lightning::ln::peer_handler::SimpleArcPeerManager<MySocketDescriptor, MyChainMonitor, MyBroadcaster, MyFeeEstimator, Arc<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 = RwLock<lightning::routing::scoring::ProbabilisticScorer<Arc<MyNetworkGraph>, Arc<MyLogger>>>;
+///
+/// # async fn setup_background_processing(my_persister: Arc<MyStore>, 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,
- CA: 'static + Deref + Send + Sync,
+ UL: 'static + Deref + Send + Sync,
CF: 'static + Deref + Send + Sync,
CW: 'static + Deref + Send + Sync,
T: 'static + Deref + Send + Sync,
G: 'static + Deref<Target = NetworkGraph<L>> + Send + Sync,
L: 'static + Deref + Send + Sync,
P: 'static + Deref + Send + Sync,
- Descriptor: 'static + SocketDescriptor + Send + Sync,
- CMH: 'static + Deref + Send + Sync,
- RMH: 'static + Deref + Send + Sync,
- OMH: 'static + Deref + Send + Sync,
EventHandlerFuture: core::future::Future<Output = ()>,
EventHandler: Fn(Event) -> EventHandlerFuture,
PS: 'static + Deref + Send,
- M: 'static + Deref<Target = ChainMonitor<<SP::Target as SignerProvider>::Signer, CF, T, F, L, P>> + Send + Sync,
+ M: 'static + Deref<Target = ChainMonitor<<SP::Target as SignerProvider>::EcdsaSigner, CF, T, F, L, P>> + Send + Sync,
CM: 'static + Deref<Target = ChannelManager<CW, T, ES, NS, SP, F, R, L>> + Send + Sync,
- PGS: 'static + Deref<Target = P2PGossipSync<G, CA, L>> + Send + Sync,
+ PGS: 'static + Deref<Target = P2PGossipSync<G, UL, L>> + Send + Sync,
RGS: 'static + Deref<Target = RapidGossipSync<G, L>> + Send,
- UMH: 'static + Deref + Send + Sync,
- PM: 'static + Deref<Target = PeerManager<Descriptor, CMH, RMH, OMH, L, UMH>> + Send + Sync,
+ APM: APeerManager + Send + Sync,
+ PM: 'static + Deref<Target = APM> + Send + Sync,
S: 'static + Deref<Target = SC> + Send + Sync,
- SC: WriteableScore<'a>,
- SleepFuture: core::future::Future<Output = bool>,
+ SC: for<'b> WriteableScore<'b>,
+ SleepFuture: core::future::Future<Output = bool> + core::marker::Unpin,
Sleeper: Fn(Duration) -> SleepFuture
>(
persister: PS, event_handler: EventHandler, chain_monitor: M, channel_manager: CM,
- gossip_sync: GossipSync<PGS, RGS, G, CA, L>, peer_manager: PM, logger: L, scorer: Option<S>,
- sleeper: Sleeper,
-) -> Result<(), std::io::Error>
+ gossip_sync: GossipSync<PGS, RGS, G, UL, L>, peer_manager: PM, logger: L, scorer: Option<S>,
+ sleeper: Sleeper, mobile_interruptable_platform: bool,
+) -> Result<(), lightning::io::Error>
where
- CA::Target: 'static + chain::Access,
+ UL::Target: 'static + UtxoLookup,
CF::Target: 'static + chain::Filter,
- CW::Target: 'static + chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ CW::Target: 'static + chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: 'static + BroadcasterInterface,
ES::Target: 'static + EntropySource,
NS::Target: 'static + NodeSigner,
F::Target: 'static + FeeEstimator,
R::Target: 'static + Router,
L::Target: 'static + Logger,
- P::Target: 'static + Persist<<SP::Target as SignerProvider>::Signer>,
- CMH::Target: 'static + ChannelMessageHandler,
- OMH::Target: 'static + OnionMessageHandler,
- RMH::Target: 'static + RoutingMessageHandler,
- UMH::Target: 'static + CustomMessageHandler,
+ P::Target: 'static + Persist<<SP::Target as SignerProvider>::EcdsaSigner>,
PS::Target: 'static + Persister<'a, CW, T, ES, NS, SP, F, R, L, SC>,
{
- let mut should_break = true;
+ let mut should_break = false;
let async_event_handler = |event| {
let network_graph = gossip_sync.network_graph();
let event_handler = &event_handler;
+ let scorer = &scorer;
+ let logger = &logger;
+ let persister = &persister;
async move {
if let Some(network_graph) = network_graph {
handle_network_graph_update(network_graph, &event)
}
+ if let Some(ref scorer) = scorer {
+ if update_scorer(scorer, &event) {
+ log_trace!(logger, "Persisting scorer after update");
+ if let Err(e) = persister.persist_scorer(&scorer) {
+ log_error!(logger, "Error: Failed to persist scorer, check your disk and permissions {}", e)
+ }
+ }
+ }
event_handler(event).await;
}
};
chain_monitor, chain_monitor.process_pending_events_async(async_event_handler).await,
channel_manager, channel_manager.process_pending_events_async(async_event_handler).await,
gossip_sync, peer_manager, logger, scorer, should_break, {
- select_biased! {
- _ = channel_manager.get_persistable_update_future().fuse() => true,
- exit = sleeper(Duration::from_millis(100)).fuse() => {
+ let fut = Selector {
+ a: channel_manager.get_event_or_persistence_needed_future(),
+ b: chain_monitor.get_update_future(),
+ c: sleeper(if mobile_interruptable_platform { Duration::from_millis(100) } else { Duration::from_secs(FASTEST_TIMER) }),
+ };
+ match fut.await {
+ SelectorOutput::A|SelectorOutput::B => {},
+ SelectorOutput::C(exit) => {
should_break = exit;
- false
}
}
- })
+ }, |t| sleeper(Duration::from_secs(t)),
+ |fut: &mut SleepFuture, _| {
+ let mut waker = dummy_waker();
+ let mut ctx = task::Context::from_waker(&mut waker);
+ match core::pin::Pin::new(fut).poll(&mut ctx) {
+ task::Poll::Ready(exit) => { should_break = exit; true },
+ task::Poll::Pending => false,
+ }
+ }, mobile_interruptable_platform)
}
+#[cfg(feature = "std")]
impl BackgroundProcessor {
/// Start a background thread that takes care of responsibilities enumerated in the [top-level
/// documentation].
/// [`NetworkGraph::write`]: lightning::routing::gossip::NetworkGraph#impl-Writeable
pub fn start<
'a,
- CA: 'static + Deref + Send + Sync,
+ UL: 'static + Deref + Send + Sync,
CF: 'static + Deref + Send + Sync,
CW: 'static + Deref + Send + Sync,
T: 'static + Deref + Send + Sync,
G: 'static + Deref<Target = NetworkGraph<L>> + Send + Sync,
L: 'static + Deref + Send + Sync,
P: 'static + Deref + Send + Sync,
- Descriptor: 'static + SocketDescriptor + Send + Sync,
- CMH: 'static + Deref + Send + Sync,
- OMH: 'static + Deref + Send + Sync,
- RMH: 'static + Deref + Send + Sync,
EH: 'static + EventHandler + Send,
PS: 'static + Deref + Send,
- M: 'static + Deref<Target = ChainMonitor<<SP::Target as SignerProvider>::Signer, CF, T, F, L, P>> + Send + Sync,
+ M: 'static + Deref<Target = ChainMonitor<<SP::Target as SignerProvider>::EcdsaSigner, CF, T, F, L, P>> + Send + Sync,
CM: 'static + Deref<Target = ChannelManager<CW, T, ES, NS, SP, F, R, L>> + Send + Sync,
- PGS: 'static + Deref<Target = P2PGossipSync<G, CA, L>> + Send + Sync,
+ PGS: 'static + Deref<Target = P2PGossipSync<G, UL, L>> + Send + Sync,
RGS: 'static + Deref<Target = RapidGossipSync<G, L>> + Send,
- UMH: 'static + Deref + Send + Sync,
- PM: 'static + Deref<Target = PeerManager<Descriptor, CMH, RMH, OMH, L, UMH>> + Send + Sync,
+ APM: APeerManager + Send + Sync,
+ PM: 'static + Deref<Target = APM> + Send + Sync,
S: 'static + Deref<Target = SC> + Send + Sync,
- SC: WriteableScore<'a>,
+ SC: for <'b> WriteableScore<'b>,
>(
persister: PS, event_handler: EH, chain_monitor: M, channel_manager: CM,
- gossip_sync: GossipSync<PGS, RGS, G, CA, L>, peer_manager: PM, logger: L, scorer: Option<S>,
+ gossip_sync: GossipSync<PGS, RGS, G, UL, L>, peer_manager: PM, logger: L, scorer: Option<S>,
) -> Self
where
- CA::Target: 'static + chain::Access,
+ UL::Target: 'static + UtxoLookup,
CF::Target: 'static + chain::Filter,
- CW::Target: 'static + chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ CW::Target: 'static + chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: 'static + BroadcasterInterface,
ES::Target: 'static + EntropySource,
NS::Target: 'static + NodeSigner,
F::Target: 'static + FeeEstimator,
R::Target: 'static + Router,
L::Target: 'static + Logger,
- P::Target: 'static + Persist<<SP::Target as SignerProvider>::Signer>,
- CMH::Target: 'static + ChannelMessageHandler,
- OMH::Target: 'static + OnionMessageHandler,
- RMH::Target: 'static + RoutingMessageHandler,
- UMH::Target: 'static + CustomMessageHandler,
+ P::Target: 'static + Persist<<SP::Target as SignerProvider>::EcdsaSigner>,
PS::Target: 'static + Persister<'a, CW, T, ES, NS, SP, F, R, L, SC>,
{
let stop_thread = Arc::new(AtomicBool::new(false));
if let Some(network_graph) = network_graph {
handle_network_graph_update(network_graph, &event)
}
+ if let Some(ref scorer) = scorer {
+ if update_scorer(scorer, &event) {
+ log_trace!(logger, "Persisting scorer after update");
+ if let Err(e) = persister.persist_scorer(&scorer) {
+ log_error!(logger, "Error: Failed to persist scorer, check your disk and permissions {}", e)
+ }
+ }
+ }
event_handler.handle_event(event);
};
define_run_body!(persister, chain_monitor, chain_monitor.process_pending_events(&event_handler),
channel_manager, channel_manager.process_pending_events(&event_handler),
gossip_sync, peer_manager, logger, scorer, stop_thread.load(Ordering::Acquire),
- channel_manager.await_persistable_update_timeout(Duration::from_millis(100)))
+ { Sleeper::from_two_futures(
+ channel_manager.get_event_or_persistence_needed_future(),
+ chain_monitor.get_update_future()
+ ).wait_timeout(Duration::from_millis(100)); },
+ |_| Instant::now(), |time: &Instant, dur| time.elapsed().as_secs() > dur, false)
});
Self { stop_thread: stop_thread_clone, thread_handle: Some(handle) }
}
}
}
+#[cfg(feature = "std")]
impl Drop for BackgroundProcessor {
fn drop(&mut self) {
self.stop_and_join_thread().unwrap();
}
}
-#[cfg(test)]
+#[cfg(all(feature = "std", test))]
mod tests {
- use bitcoin::blockdata::block::BlockHeader;
- use bitcoin::blockdata::constants::genesis_block;
- use bitcoin::blockdata::locktime::PackedLockTime;
+ use bitcoin::blockdata::constants::{genesis_block, ChainHash};
+ use bitcoin::blockdata::locktime::absolute::LockTime;
use bitcoin::blockdata::transaction::{Transaction, TxOut};
use bitcoin::network::constants::Network;
+ use bitcoin::secp256k1::{SecretKey, PublicKey, Secp256k1};
use lightning::chain::{BestBlock, Confirm, chainmonitor};
use lightning::chain::channelmonitor::ANTI_REORG_DELAY;
- use lightning::chain::keysinterface::{InMemorySigner, Recipient, EntropySource, KeysManager, NodeSigner};
+ use lightning::sign::{InMemorySigner, KeysManager};
use lightning::chain::transaction::OutPoint;
- use lightning::get_event_msg;
- use lightning::ln::channelmanager::{BREAKDOWN_TIMEOUT, ChainParameters, ChannelManager, SimpleArcChannelManager};
- use lightning::ln::features::ChannelFeatures;
+ use lightning::events::{Event, PathFailure, MessageSendEventsProvider, MessageSendEvent};
+ use lightning::{get_event_msg, get_event};
+ use lightning::ln::PaymentHash;
+ use lightning::ln::channelmanager;
+ use lightning::ln::channelmanager::{BREAKDOWN_TIMEOUT, ChainParameters, MIN_CLTV_EXPIRY_DELTA, PaymentId};
+ use lightning::ln::features::{ChannelFeatures, NodeFeatures};
+ use lightning::ln::functional_test_utils::*;
use lightning::ln::msgs::{ChannelMessageHandler, Init};
use lightning::ln::peer_handler::{PeerManager, MessageHandler, SocketDescriptor, IgnoringMessageHandler};
- use lightning::routing::gossip::{NetworkGraph, P2PGossipSync};
- use lightning::routing::router::DefaultRouter;
- use lightning::routing::scoring::{ProbabilisticScoringParameters, ProbabilisticScorer};
+ use lightning::routing::gossip::{NetworkGraph, NodeId, P2PGossipSync};
+ use lightning::routing::router::{DefaultRouter, Path, RouteHop};
+ use lightning::routing::scoring::{ChannelUsage, ScoreUpdate, ScoreLookUp, LockableScore};
use lightning::util::config::UserConfig;
- use lightning::util::events::{Event, MessageSendEventsProvider, MessageSendEvent};
use lightning::util::ser::Writeable;
use lightning::util::test_utils;
- use lightning::util::persist::KVStorePersister;
- use lightning_invoice::payment::{InvoicePayer, Retry};
- use lightning_persister::FilesystemPersister;
- use std::fs;
+ use lightning::util::persist::{KVStore,
+ CHANNEL_MANAGER_PERSISTENCE_PRIMARY_NAMESPACE, CHANNEL_MANAGER_PERSISTENCE_SECONDARY_NAMESPACE, CHANNEL_MANAGER_PERSISTENCE_KEY,
+ NETWORK_GRAPH_PERSISTENCE_PRIMARY_NAMESPACE, NETWORK_GRAPH_PERSISTENCE_SECONDARY_NAMESPACE, NETWORK_GRAPH_PERSISTENCE_KEY,
+ SCORER_PERSISTENCE_PRIMARY_NAMESPACE, SCORER_PERSISTENCE_SECONDARY_NAMESPACE, SCORER_PERSISTENCE_KEY};
+ use lightning_persister::fs_store::FilesystemStore;
+ use std::collections::VecDeque;
+ use std::{fs, env};
use std::path::PathBuf;
use std::sync::{Arc, Mutex};
use std::sync::mpsc::SyncSender;
use std::time::Duration;
- use bitcoin::hashes::Hash;
- use bitcoin::TxMerkleNode;
use lightning_rapid_gossip_sync::RapidGossipSync;
use super::{BackgroundProcessor, GossipSync, FRESHNESS_TIMER};
fn disconnect_socket(&mut self) {}
}
- type ChainMonitor = chainmonitor::ChainMonitor<InMemorySigner, Arc<test_utils::TestChainSource>, Arc<test_utils::TestBroadcaster>, Arc<test_utils::TestFeeEstimator>, Arc<test_utils::TestLogger>, Arc<FilesystemPersister>>;
+ #[cfg(c_bindings)]
+ type LockingWrapper<T> = lightning::routing::scoring::MultiThreadedLockableScore<T>;
+ #[cfg(not(c_bindings))]
+ type LockingWrapper<T> = Mutex<T>;
+
+ type ChannelManager =
+ channelmanager::ChannelManager<
+ Arc<ChainMonitor>,
+ Arc<test_utils::TestBroadcaster>,
+ Arc<KeysManager>,
+ Arc<KeysManager>,
+ Arc<KeysManager>,
+ Arc<test_utils::TestFeeEstimator>,
+ Arc<DefaultRouter<
+ Arc<NetworkGraph<Arc<test_utils::TestLogger>>>,
+ Arc<test_utils::TestLogger>,
+ Arc<LockingWrapper<TestScorer>>,
+ (),
+ TestScorer>
+ >,
+ Arc<test_utils::TestLogger>>;
+
+ type ChainMonitor = chainmonitor::ChainMonitor<InMemorySigner, Arc<test_utils::TestChainSource>, Arc<test_utils::TestBroadcaster>, Arc<test_utils::TestFeeEstimator>, Arc<test_utils::TestLogger>, Arc<FilesystemStore>>;
type PGS = Arc<P2PGossipSync<Arc<NetworkGraph<Arc<test_utils::TestLogger>>>, Arc<test_utils::TestChainSource>, Arc<test_utils::TestLogger>>>;
type RGS = Arc<RapidGossipSync<Arc<NetworkGraph<Arc<test_utils::TestLogger>>>, Arc<test_utils::TestLogger>>>;
struct Node {
- node: Arc<SimpleArcChannelManager<ChainMonitor, test_utils::TestBroadcaster, test_utils::TestFeeEstimator, test_utils::TestLogger>>,
+ node: Arc<ChannelManager>,
p2p_gossip_sync: PGS,
rapid_gossip_sync: RGS,
- peer_manager: Arc<PeerManager<TestDescriptor, Arc<test_utils::TestChannelMessageHandler>, Arc<test_utils::TestRoutingMessageHandler>, IgnoringMessageHandler, Arc<test_utils::TestLogger>, IgnoringMessageHandler>>,
+ peer_manager: Arc<PeerManager<TestDescriptor, Arc<test_utils::TestChannelMessageHandler>, Arc<test_utils::TestRoutingMessageHandler>, IgnoringMessageHandler, Arc<test_utils::TestLogger>, IgnoringMessageHandler, Arc<KeysManager>>>,
chain_monitor: Arc<ChainMonitor>,
- persister: Arc<FilesystemPersister>,
+ kv_store: Arc<FilesystemStore>,
tx_broadcaster: Arc<test_utils::TestBroadcaster>,
network_graph: Arc<NetworkGraph<Arc<test_utils::TestLogger>>>,
logger: Arc<test_utils::TestLogger>,
best_block: BestBlock,
- scorer: Arc<Mutex<ProbabilisticScorer<Arc<NetworkGraph<Arc<test_utils::TestLogger>>>, Arc<test_utils::TestLogger>>>>,
+ scorer: Arc<LockingWrapper<TestScorer>>,
}
impl Node {
impl Drop for Node {
fn drop(&mut self) {
- let data_dir = self.persister.get_data_dir();
+ let data_dir = self.kv_store.get_data_dir();
match fs::remove_dir_all(data_dir.clone()) {
- Err(e) => println!("Failed to remove test persister directory {}: {}", data_dir, e),
+ Err(e) => println!("Failed to remove test store directory {}: {}", data_dir.display(), e),
_ => {}
}
}
graph_persistence_notifier: Option<SyncSender<()>>,
manager_error: Option<(std::io::ErrorKind, &'static str)>,
scorer_error: Option<(std::io::ErrorKind, &'static str)>,
- filesystem_persister: FilesystemPersister,
+ kv_store: FilesystemStore,
}
impl Persister {
- fn new(data_dir: String) -> Self {
- let filesystem_persister = FilesystemPersister::new(data_dir.clone());
- Self { graph_error: None, graph_persistence_notifier: None, manager_error: None, scorer_error: None, filesystem_persister }
+ fn new(data_dir: PathBuf) -> Self {
+ let kv_store = FilesystemStore::new(data_dir);
+ Self { graph_error: None, graph_persistence_notifier: None, manager_error: None, scorer_error: None, kv_store }
}
fn with_graph_error(self, error: std::io::ErrorKind, message: &'static str) -> Self {
}
}
- impl KVStorePersister for Persister {
- fn persist<W: Writeable>(&self, key: &str, object: &W) -> std::io::Result<()> {
- if key == "manager" {
+ impl KVStore for Persister {
+ fn read(&self, primary_namespace: &str, secondary_namespace: &str, key: &str) -> lightning::io::Result<Vec<u8>> {
+ self.kv_store.read(primary_namespace, secondary_namespace, key)
+ }
+
+ fn write(&self, primary_namespace: &str, secondary_namespace: &str, key: &str, buf: &[u8]) -> lightning::io::Result<()> {
+ if primary_namespace == CHANNEL_MANAGER_PERSISTENCE_PRIMARY_NAMESPACE &&
+ secondary_namespace == CHANNEL_MANAGER_PERSISTENCE_SECONDARY_NAMESPACE &&
+ key == CHANNEL_MANAGER_PERSISTENCE_KEY
+ {
if let Some((error, message)) = self.manager_error {
return Err(std::io::Error::new(error, message))
}
}
- if key == "network_graph" {
+ if primary_namespace == NETWORK_GRAPH_PERSISTENCE_PRIMARY_NAMESPACE &&
+ secondary_namespace == NETWORK_GRAPH_PERSISTENCE_SECONDARY_NAMESPACE &&
+ key == NETWORK_GRAPH_PERSISTENCE_KEY
+ {
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 {
}
}
- if key == "scorer" {
+ if primary_namespace == SCORER_PERSISTENCE_PRIMARY_NAMESPACE &&
+ secondary_namespace == SCORER_PERSISTENCE_SECONDARY_NAMESPACE &&
+ key == SCORER_PERSISTENCE_KEY
+ {
if let Some((error, message)) = self.scorer_error {
return Err(std::io::Error::new(error, message))
}
}
- self.filesystem_persister.persist(key, object)
+ self.kv_store.write(primary_namespace, secondary_namespace, key, buf)
+ }
+
+ fn remove(&self, primary_namespace: &str, secondary_namespace: &str, key: &str, lazy: bool) -> lightning::io::Result<()> {
+ self.kv_store.remove(primary_namespace, secondary_namespace, key, lazy)
+ }
+
+ fn list(&self, primary_namespace: &str, secondary_namespace: &str) -> lightning::io::Result<Vec<String>> {
+ self.kv_store.list(primary_namespace, secondary_namespace)
+ }
+ }
+
+ struct TestScorer {
+ event_expectations: Option<VecDeque<TestResult>>,
+ }
+
+ #[derive(Debug)]
+ enum TestResult {
+ PaymentFailure { path: Path, short_channel_id: u64 },
+ PaymentSuccess { path: Path },
+ ProbeFailure { path: Path },
+ ProbeSuccess { path: Path },
+ }
+
+ impl TestScorer {
+ fn new() -> Self {
+ Self { event_expectations: None }
+ }
+
+ fn expect(&mut self, expectation: TestResult) {
+ self.event_expectations.get_or_insert_with(VecDeque::new).push_back(expectation);
+ }
+ }
+
+ impl lightning::util::ser::Writeable for TestScorer {
+ fn write<W: lightning::util::ser::Writer>(&self, _: &mut W) -> Result<(), lightning::io::Error> { Ok(()) }
+ }
+
+ impl ScoreLookUp for TestScorer {
+ type ScoreParams = ();
+ fn channel_penalty_msat(
+ &self, _short_channel_id: u64, _source: &NodeId, _target: &NodeId, _usage: ChannelUsage, _score_params: &Self::ScoreParams
+ ) -> u64 { unimplemented!(); }
+ }
+
+ impl ScoreUpdate for TestScorer {
+ 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);
+ assert_eq!(actual_short_channel_id, short_channel_id);
+ },
+ TestResult::PaymentSuccess { path } => {
+ panic!("Unexpected successful payment path: {:?}", path)
+ },
+ TestResult::ProbeFailure { path } => {
+ panic!("Unexpected probe failure: {:?}", path)
+ },
+ TestResult::ProbeSuccess { path } => {
+ panic!("Unexpected probe success: {:?}", path)
+ }
+ }
+ }
+ }
+
+ 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);
+ },
+ TestResult::ProbeFailure { path } => {
+ panic!("Unexpected probe failure: {:?}", path)
+ },
+ TestResult::ProbeSuccess { path } => {
+ panic!("Unexpected probe success: {:?}", path)
+ }
+ }
+ }
+ }
+
+ 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 failure: {:?}", path)
+ },
+ TestResult::PaymentSuccess { path } => {
+ panic!("Unexpected payment path success: {:?}", path)
+ },
+ TestResult::ProbeFailure { path } => {
+ assert_eq!(actual_path, &path);
+ },
+ TestResult::ProbeSuccess { path } => {
+ panic!("Unexpected probe success: {:?}", path)
+ }
+ }
+ }
+ }
+ 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 payment path failure: {:?}", path)
+ },
+ TestResult::PaymentSuccess { path } => {
+ panic!("Unexpected payment path success: {:?}", path)
+ },
+ TestResult::ProbeFailure { path } => {
+ panic!("Unexpected probe failure: {:?}", path)
+ },
+ TestResult::ProbeSuccess { path } => {
+ assert_eq!(actual_path, &path);
+ }
+ }
+ }
+ }
+ }
+
+ #[cfg(c_bindings)]
+ impl lightning::routing::scoring::Score for TestScorer {}
+
+ impl Drop for TestScorer {
+ fn drop(&mut self) {
+ if std::thread::panicking() {
+ return;
+ }
+
+ if let Some(event_expectations) = &self.event_expectations {
+ if !event_expectations.is_empty() {
+ panic!("Unsatisfied event expectations: {:?}", event_expectations);
+ }
+ }
}
}
path.to_str().unwrap().to_string()
}
- fn create_nodes(num_nodes: usize, persist_dir: String) -> Vec<Node> {
+ fn create_nodes(num_nodes: usize, persist_dir: &str) -> (String, Vec<Node>) {
+ let persist_temp_path = env::temp_dir().join(persist_dir);
+ let persist_dir = persist_temp_path.to_string_lossy().to_string();
+ let network = Network::Bitcoin;
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(genesis_block.header.block_hash(), logger.clone()));
- let params = ProbabilisticScoringParameters::default();
- let scorer = Arc::new(Mutex::new(ProbabilisticScorer::new(params, network_graph.clone(), logger.clone())));
+ let network_graph = Arc::new(NetworkGraph::new(network, logger.clone()));
+ let scorer = Arc::new(LockingWrapper::new(TestScorer::new()));
let seed = [i as u8; 32];
- let router = Arc::new(DefaultRouter::new(network_graph.clone(), logger.clone(), seed, scorer.clone()));
- let chain_source = Arc::new(test_utils::TestChainSource::new(Network::Testnet));
- let persister = Arc::new(FilesystemPersister::new(format!("{}_persister_{}", persist_dir, i)));
+ let router = Arc::new(DefaultRouter::new(network_graph.clone(), logger.clone(), seed, scorer.clone(), Default::default()));
+ let chain_source = Arc::new(test_utils::TestChainSource::new(Network::Bitcoin));
+ let kv_store = Arc::new(FilesystemStore::new(format!("{}_persister_{}", &persist_dir, i).into()));
let now = Duration::from_secs(genesis_block.header.time as u64);
let keys_manager = Arc::new(KeysManager::new(&seed, now.as_secs(), now.subsec_nanos()));
- let chain_monitor = Arc::new(chainmonitor::ChainMonitor::new(Some(chain_source.clone()), tx_broadcaster.clone(), logger.clone(), fee_estimator.clone(), persister.clone()));
- let best_block = BestBlock::from_genesis(network);
+ let chain_monitor = Arc::new(chainmonitor::ChainMonitor::new(Some(chain_source.clone()), tx_broadcaster.clone(), logger.clone(), fee_estimator.clone(), kv_store.clone()));
+ let best_block = BestBlock::from_network(network);
let params = ChainParameters { network, best_block };
- let manager = Arc::new(ChannelManager::new(fee_estimator.clone(), chain_monitor.clone(), tx_broadcaster.clone(), router.clone(), logger.clone(), keys_manager.clone(), keys_manager.clone(), keys_manager.clone(), UserConfig::default(), params));
+ let manager = Arc::new(ChannelManager::new(fee_estimator.clone(), chain_monitor.clone(), tx_broadcaster.clone(), router.clone(), logger.clone(), keys_manager.clone(), keys_manager.clone(), keys_manager.clone(), UserConfig::default(), params, genesis_block.header.time));
let p2p_gossip_sync = Arc::new(P2PGossipSync::new(network_graph.clone(), Some(chain_source.clone()), logger.clone()));
- let rapid_gossip_sync = Arc::new(RapidGossipSync::new(network_graph.clone()));
- let msg_handler = MessageHandler { chan_handler: Arc::new(test_utils::TestChannelMessageHandler::new()), route_handler: Arc::new(test_utils::TestRoutingMessageHandler::new()), onion_message_handler: IgnoringMessageHandler{}};
- let peer_manager = Arc::new(PeerManager::new(msg_handler, keys_manager.get_node_secret(Recipient::Node).unwrap(), 0, &seed, logger.clone(), IgnoringMessageHandler{}));
- let node = Node { node: manager, p2p_gossip_sync, rapid_gossip_sync, peer_manager, chain_monitor, persister, tx_broadcaster, network_graph, logger, best_block, scorer };
+ let rapid_gossip_sync = Arc::new(RapidGossipSync::new(network_graph.clone(), logger.clone()));
+ let msg_handler = MessageHandler {
+ chan_handler: Arc::new(test_utils::TestChannelMessageHandler::new(ChainHash::using_genesis_block(Network::Testnet))),
+ route_handler: Arc::new(test_utils::TestRoutingMessageHandler::new()),
+ onion_message_handler: IgnoringMessageHandler{}, custom_message_handler: IgnoringMessageHandler{}
+ };
+ let peer_manager = Arc::new(PeerManager::new(msg_handler, 0, &seed, logger.clone(), keys_manager.clone()));
+ let node = Node { node: manager, p2p_gossip_sync, rapid_gossip_sync, peer_manager, chain_monitor, kv_store, tx_broadcaster, network_graph, logger, best_block, scorer };
nodes.push(node);
}
for i in 0..num_nodes {
for j in (i+1)..num_nodes {
- nodes[i].node.peer_connected(&nodes[j].node.get_our_node_id(), &Init { features: nodes[j].node.init_features(), remote_network_address: None }).unwrap();
- nodes[j].node.peer_connected(&nodes[i].node.get_our_node_id(), &Init { features: nodes[i].node.init_features(), remote_network_address: None }).unwrap();
+ nodes[i].node.peer_connected(&nodes[j].node.get_our_node_id(), &Init {
+ features: nodes[j].node.init_features(), networks: None, remote_network_address: None
+ }, true).unwrap();
+ nodes[j].node.peer_connected(&nodes[i].node.get_our_node_id(), &Init {
+ features: nodes[i].node.init_features(), networks: None, remote_network_address: None
+ }, false).unwrap();
}
}
- nodes
+ (persist_dir, nodes)
}
macro_rules! open_channel {
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! begin_open_channel {
($node_a: expr, $node_b: expr, $channel_value: expr) => {{
- $node_a.node.create_channel($node_b.node.get_our_node_id(), $channel_value, 100, 42, None).unwrap();
+ $node_a.node.create_channel($node_b.node.get_our_node_id(), $channel_value, 100, 42, None, None).unwrap();
$node_b.node.handle_open_channel(&$node_a.node.get_our_node_id(), &get_event_msg!($node_a, MessageSendEvent::SendOpenChannel, $node_b.node.get_our_node_id()));
$node_a.node.handle_accept_channel(&$node_b.node.get_our_node_id(), &get_event_msg!($node_b, MessageSendEvent::SendAcceptChannel, $node_a.node.get_our_node_id()));
}}
assert_eq!(channel_value_satoshis, $channel_value);
assert_eq!(user_channel_id, 42);
- let tx = Transaction { version: 1 as i32, lock_time: PackedLockTime(0), input: Vec::new(), output: vec![TxOut {
+ let tx = Transaction { version: 1 as i32, lock_time: LockTime::ZERO, input: Vec::new(), output: vec![TxOut {
value: channel_value_satoshis, script_pubkey: output_script.clone(),
}]};
(temporary_channel_id, tx)
}}
}
- macro_rules! end_open_channel {
- ($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()));
- $node_a.node.handle_funding_signed(&$node_b.node.get_our_node_id(), &get_event_msg!($node_b, MessageSendEvent::SendFundingSigned, $node_a.node.get_our_node_id()));
- }}
- }
-
fn confirm_transaction_depth(node: &mut Node, tx: &Transaction, depth: u32) {
for i in 1..=depth {
let prev_blockhash = node.best_block.block_hash();
let height = node.best_block.height() + 1;
- let header = BlockHeader { version: 0x20000000, prev_blockhash, merkle_root: TxMerkleNode::all_zeros(), time: height, bits: 42, nonce: 42 };
+ let header = create_dummy_header(prev_blockhash, height);
let txdata = vec![(0, tx)];
node.best_block = BestBlock::new(header.block_hash(), height);
match i {
// Test that when a new channel is created, the ChannelManager needs to be re-persisted with
// updates. Also test that when new updates are available, the manager signals that it needs
// re-persistence and is successfully re-persisted.
- let nodes = create_nodes(2, "test_background_processor".to_string());
+ let (persist_dir, nodes) = create_nodes(2, "test_background_processor");
// Go through the channel creation process so that each node has something to persist. Since
// open_channel consumes events, it must complete before starting BackgroundProcessor to
let tx = open_channel!(nodes[0], nodes[1], 100000);
// Initiate the background processors to watch each node.
- let data_dir = nodes[0].persister.get_data_dir();
+ let data_dir = nodes[0].kv_store.get_data_dir();
let persister = Arc::new(Persister::new(data_dir));
let event_handler = |_: _| {};
let bg_processor = BackgroundProcessor::start(persister, event_handler, nodes[0].chain_monitor.clone(), nodes[0].node.clone(), nodes[0].p2p_gossip_sync(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()));
}
// Check that the initial channel manager data is persisted as expected.
- let filepath = get_full_filepath("test_background_processor_persister_0".to_string(), "manager".to_string());
+ let filepath = get_full_filepath(format!("{}_persister_0", &persist_dir), "manager".to_string());
check_persisted_data!(nodes[0].node, filepath.clone());
loop {
- if !nodes[0].node.get_persistence_condvar_value() { break }
+ if !nodes[0].node.get_event_or_persist_condvar_value() { break }
}
// Force-close the channel.
// Check that the force-close updates are persisted.
check_persisted_data!(nodes[0].node, filepath.clone());
loop {
- if !nodes[0].node.get_persistence_condvar_value() { break }
+ if !nodes[0].node.get_event_or_persist_condvar_value() { break }
}
// Check network graph is persisted
- let filepath = get_full_filepath("test_background_processor_persister_0".to_string(), "network_graph".to_string());
+ let filepath = get_full_filepath(format!("{}_persister_0", &persist_dir), "network_graph".to_string());
check_persisted_data!(nodes[0].network_graph, filepath.clone());
// Check scorer is persisted
- let filepath = get_full_filepath("test_background_processor_persister_0".to_string(), "scorer".to_string());
+ let filepath = get_full_filepath(format!("{}_persister_0", &persist_dir), "scorer".to_string());
check_persisted_data!(nodes[0].scorer, filepath.clone());
- assert!(bg_processor.stop().is_ok());
+ if !std::thread::panicking() {
+ bg_processor.stop().unwrap();
+ }
}
#[test]
fn test_timer_tick_called() {
- // Test that ChannelManager's and PeerManager's `timer_tick_occurred` is called every
- // `FRESHNESS_TIMER`.
- let nodes = create_nodes(1, "test_timer_tick_called".to_string());
- let data_dir = nodes[0].persister.get_data_dir();
+ // 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");
+ let data_dir = nodes[0].kv_store.get_data_dir();
let persister = Arc::new(Persister::new(data_dir));
let event_handler = |_: _| {};
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", desired_log_1)).is_some() &&
+ log_entries.get(&("lightning_background_processor", desired_log_2)).is_some() &&
+ log_entries.get(&("lightning_background_processor", desired_log_3)).is_some() {
break
}
}
- assert!(bg_processor.stop().is_ok());
+ if !std::thread::panicking() {
+ bg_processor.stop().unwrap();
+ }
}
#[test]
fn test_channel_manager_persist_error() {
// Test that if we encounter an error during manager persistence, the thread panics.
- let nodes = create_nodes(2, "test_persist_error".to_string());
+ let (_, nodes) = create_nodes(2, "test_persist_error");
open_channel!(nodes[0], nodes[1], 100000);
- let data_dir = nodes[0].persister.get_data_dir();
+ let data_dir = nodes[0].kv_store.get_data_dir();
let persister = Arc::new(Persister::new(data_dir).with_manager_error(std::io::ErrorKind::Other, "test"));
let event_handler = |_: _| {};
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()));
}
}
+ #[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");
+ open_channel!(nodes[0], nodes[1], 100000);
+
+ let data_dir = nodes[0].kv_store.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 nodes = create_nodes(2, "test_persist_network_graph_error".to_string());
- let data_dir = nodes[0].persister.get_data_dir();
+ let (_, nodes) = create_nodes(2, "test_persist_network_graph_error");
+ let data_dir = nodes[0].kv_store.get_data_dir();
let persister = Arc::new(Persister::new(data_dir).with_graph_error(std::io::ErrorKind::Other, "test"));
let event_handler = |_: _| {};
let bg_processor = BackgroundProcessor::start(persister, event_handler, nodes[0].chain_monitor.clone(), nodes[0].node.clone(), nodes[0].p2p_gossip_sync(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()));
#[test]
fn test_scorer_persist_error() {
// Test that if we encounter an error during scorer persistence, an error gets returned.
- let nodes = create_nodes(2, "test_persist_scorer_error".to_string());
- let data_dir = nodes[0].persister.get_data_dir();
+ let (_, nodes) = create_nodes(2, "test_persist_scorer_error");
+ let data_dir = nodes[0].kv_store.get_data_dir();
let persister = Arc::new(Persister::new(data_dir).with_scorer_error(std::io::ErrorKind::Other, "test"));
let event_handler = |_: _| {};
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()));
#[test]
fn test_background_event_handling() {
- let mut nodes = create_nodes(2, "test_background_event_handling".to_string());
+ let (_, mut nodes) = create_nodes(2, "test_background_event_handling");
let channel_value = 100000;
- let data_dir = nodes[0].persister.get_data_dir();
+ let data_dir = nodes[0].kv_store.get_data_dir();
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);
nodes[1].node.handle_channel_ready(&nodes[0].node.get_our_node_id(), &as_funding);
let _bs_channel_update = get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[0].node.get_our_node_id());
- assert!(bg_processor.stop().is_ok());
+ if !std::thread::panicking() {
+ bg_processor.stop().unwrap();
+ }
// Set up a background event handler for SpendableOutputs events.
let (sender, receiver) = std::sync::mpsc::sync_channel(1);
let event_handler = move |event: Event| match event {
- Event::SpendableOutputs { .. } => sender.send(event.clone()).unwrap(),
+ Event::SpendableOutputs { .. } => sender.send(event).unwrap(),
Event::ChannelReady { .. } => {},
Event::ChannelClosed { .. } => {},
_ => panic!("Unexpected event: {:?}", event),
_ => panic!("Unexpected event: {:?}", event),
}
- assert!(bg_processor.stop().is_ok());
+ if !std::thread::panicking() {
+ bg_processor.stop().unwrap();
+ }
}
#[test]
fn test_scorer_persistence() {
- let nodes = create_nodes(2, "test_scorer_persistence".to_string());
- let data_dir = nodes[0].persister.get_data_dir();
+ let (_, nodes) = create_nodes(2, "test_scorer_persistence");
+ let data_dir = nodes[0].kv_store.get_data_dir();
let persister = Arc::new(Persister::new(data_dir));
let event_handler = |_: _| {};
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 expected_log = "Persisting scorer".to_string();
- if log_entries.get(&("lightning_background_processor".to_string(), expected_log)).is_some() {
+ if log_entries.get(&("lightning_background_processor", expected_log)).is_some() {
break
}
}
- assert!(bg_processor.stop().is_ok());
+ if !std::thread::panicking() {
+ bg_processor.stop().unwrap();
+ }
+ }
+
+ 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", 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 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.clone()).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 (_, nodes) = create_nodes(2, "test_not_pruning_network_graph_until_graph_sync_completion");
+ let data_dir = nodes[0].kv_store.get_data_dir();
+ let persister = Arc::new(Persister::new(data_dir).with_graph_persistence_notifier(sender));
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");
+ let data_dir = nodes[0].kv_store.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,
+ maybe_announced_channel: true,
+ }], blinded_tail: None };
+
+ $nodes[0].scorer.write_lock().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(&initialization_input[..]).unwrap();
-
- // this should have added two channels
- assert_eq!(network_graph.read_only().channels().len(), 3);
-
- let _ = 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.write_lock().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.write_lock().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"),
+ }
+
+ $nodes[0].scorer.write_lock().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"),
+ }
- // all channels should now be pruned
- assert_eq!(network_graph.read_only().channels().len(), 0);
+ $nodes[0].scorer.write_lock().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_invoice_payer() {
- let keys_manager = test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
- let random_seed_bytes = keys_manager.get_secure_random_bytes();
- let nodes = create_nodes(2, "test_invoice_payer".to_string());
+ fn test_payment_path_scoring() {
+ let (sender, receiver) = std::sync::mpsc::sync_channel(1);
+ let event_handler = move |event: Event| match event {
+ Event::PaymentPathFailed { .. } => sender.send(event).unwrap(),
+ Event::PaymentPathSuccessful { .. } => sender.send(event).unwrap(),
+ Event::ProbeSuccessful { .. } => sender.send(event).unwrap(),
+ Event::ProbeFailed { .. } => sender.send(event).unwrap(),
+ _ => panic!("Unexpected event: {:?}", event),
+ };
- // Initiate the background processors to watch each node.
- let data_dir = nodes[0].persister.get_data_dir();
+ let (_, nodes) = create_nodes(1, "test_payment_path_scoring");
+ let data_dir = nodes[0].kv_store.get_data_dir();
let persister = Arc::new(Persister::new(data_dir));
- let router = DefaultRouter::new(Arc::clone(&nodes[0].network_graph), Arc::clone(&nodes[0].logger), random_seed_bytes, Arc::clone(&nodes[0].scorer));
- let invoice_payer = Arc::new(InvoicePayer::new(Arc::clone(&nodes[0].node), router, Arc::clone(&nodes[0].logger), |_: _| {}, Retry::Attempts(2)));
- let event_handler = Arc::clone(&invoice_payer);
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()));
- assert!(bg_processor.stop().is_ok());
+
+ do_test_payment_path_scoring!(nodes, receiver.recv_timeout(Duration::from_secs(EVENT_DEADLINE)));
+
+ if !std::thread::panicking() {
+ bg_processor.stop().unwrap();
+ }
+
+ let log_entries = nodes[0].logger.lines.lock().unwrap();
+ let expected_log = "Persisting scorer after update".to_string();
+ assert_eq!(*log_entries.get(&("lightning_background_processor", expected_log)).unwrap(), 5);
+ }
+
+ #[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),
+ }
+ }
+ };
+
+ let (_, nodes) = create_nodes(1, "test_payment_path_scoring_async");
+ let data_dir = nodes[0].kv_store.get_data_dir();
+ let persister = Arc::new(Persister::new(data_dir));
+
+ 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 log_entries = nodes[0].logger.lines.lock().unwrap();
+ let expected_log = "Persisting scorer after update".to_string();
+ assert_eq!(*log_entries.get(&("lightning_background_processor", expected_log)).unwrap(), 5);
+ });
+
+ let (r1, r2) = tokio::join!(t1, t2);
+ r1.unwrap().unwrap();
+ r2.unwrap()
}
}