//! running properly, and (2) either can or should be run in the background. See docs for
//! [`BackgroundProcessor`] for more details on the nitty-gritty.
+// Prefix these with `rustdoc::` when we update our MSRV to be >= 1.52 to remove warnings.
#![deny(broken_intra_doc_links)]
+#![deny(private_intra_doc_links)]
+
#![deny(missing_docs)]
#![deny(unsafe_code)]
use lightning::chain;
use lightning::chain::chaininterface::{BroadcasterInterface, FeeEstimator};
use lightning::chain::chainmonitor::{ChainMonitor, Persist};
-use lightning::chain::keysinterface::{Sign, KeysInterface};
+use lightning::chain::keysinterface::{EntropySource, NodeSigner, SignerProvider};
use lightning::ln::channelmanager::ChannelManager;
-use lightning::ln::msgs::{ChannelMessageHandler, RoutingMessageHandler};
+use lightning::ln::msgs::{ChannelMessageHandler, OnionMessageHandler, RoutingMessageHandler};
use lightning::ln::peer_handler::{CustomMessageHandler, PeerManager, SocketDescriptor};
use lightning::routing::gossip::{NetworkGraph, P2PGossipSync};
+use lightning::routing::router::Router;
use lightning::routing::scoring::WriteableScore;
use lightning::util::events::{Event, EventHandler, EventsProvider};
use lightning::util::logger::Logger;
use std::time::{Duration, Instant};
use std::ops::Deref;
+#[cfg(feature = "futures")]
+use futures_util::{select_biased, future::FutureExt, task};
+
/// `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
/// responsibilities are:
/// [`ChannelManager`] persistence should be done in the background.
/// * Calling [`ChannelManager::timer_tick_occurred`] and [`PeerManager::timer_tick_occurred`]
/// at the appropriate intervals.
-/// * Calling [`NetworkGraph::remove_stale_channels`] (if a [`P2PGossipSync`] is provided to
-/// [`BackgroundProcessor::start`]).
+/// * Calling [`NetworkGraph::remove_stale_channels_and_tracking`] (if a [`GossipSync`] with a
+/// [`NetworkGraph`] is provided to [`BackgroundProcessor::start`]).
///
/// It will also call [`PeerManager::process_events`] periodically though this shouldn't be relied
/// upon as doing so may result in high latency.
/// Prune the network graph of stale entries hourly.
const NETWORK_PRUNE_TIMER: u64 = 60 * 60;
-#[cfg(all(not(test), debug_assertions))]
+#[cfg(not(test))]
const SCORER_PERSIST_TIMER: u64 = 30;
#[cfg(test)]
const SCORER_PERSIST_TIMER: u64 = 1;
#[cfg(test)]
const FIRST_NETWORK_PRUNE_TIMER: u64 = 1;
-
-/// Decorates an [`EventHandler`] with common functionality provided by standard [`EventHandler`]s.
-struct DecoratingEventHandler<
- E: EventHandler,
+/// Either [`P2PGossipSync`] or [`RapidGossipSync`].
+pub enum GossipSync<
P: Deref<Target = P2PGossipSync<G, A, L>>,
+ R: Deref<Target = RapidGossipSync<G, L>>,
G: Deref<Target = NetworkGraph<L>>,
A: Deref,
L: Deref,
>
where A::Target: chain::Access, L::Target: Logger {
- event_handler: E,
- p2p_gossip_sync: Option<P>,
+ /// Gossip sync via the lightning peer-to-peer network as defined by BOLT 7.
+ P2P(P),
+ /// Rapid gossip sync from a trusted server.
+ Rapid(R),
+ /// No gossip sync.
+ None,
}
impl<
- E: EventHandler,
P: Deref<Target = P2PGossipSync<G, A, L>>,
+ R: Deref<Target = RapidGossipSync<G, L>>,
G: Deref<Target = NetworkGraph<L>>,
A: Deref,
L: Deref,
-> EventHandler for DecoratingEventHandler<E, P, G, A, L>
+> GossipSync<P, R, G, A, L>
where A::Target: chain::Access, L::Target: Logger {
- fn handle_event(&self, event: &Event) {
- if let Some(event_handler) = &self.p2p_gossip_sync {
- event_handler.handle_event(event);
+ fn network_graph(&self) -> Option<&G> {
+ match self {
+ GossipSync::P2P(gossip_sync) => Some(gossip_sync.network_graph()),
+ GossipSync::Rapid(gossip_sync) => Some(gossip_sync.network_graph()),
+ GossipSync::None => None,
}
- self.event_handler.handle_event(event);
}
+
+ fn prunable_network_graph(&self) -> Option<&G> {
+ match self {
+ GossipSync::P2P(gossip_sync) => Some(gossip_sync.network_graph()),
+ GossipSync::Rapid(gossip_sync) => {
+ if gossip_sync.is_initial_sync_complete() {
+ Some(gossip_sync.network_graph())
+ } else {
+ None
+ }
+ },
+ GossipSync::None => None,
+ }
+ }
+}
+
+/// (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>
+where
+ A::Target: chain::Access,
+ L::Target: Logger,
+{
+ /// Initializes a new [`GossipSync::P2P`] variant.
+ pub fn p2p(gossip_sync: P) -> Self {
+ GossipSync::P2P(gossip_sync)
+ }
+}
+
+/// (C-not exported) 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>,
+ R,
+ G,
+ &'a (dyn chain::Access + Send + Sync),
+ L,
+ >
+where
+ L::Target: Logger,
+{
+ /// Initializes a new [`GossipSync::Rapid`] variant.
+ pub fn rapid(gossip_sync: R) -> Self {
+ GossipSync::Rapid(gossip_sync)
+ }
+}
+
+/// (C-not exported) 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>,
+ &RapidGossipSync<&'a NetworkGraph<L>, L>,
+ &'a NetworkGraph<L>,
+ &'a (dyn chain::Access + Send + Sync),
+ L,
+ >
+where
+ L::Target: Logger,
+{
+ /// Initializes a new [`GossipSync::None`] variant.
+ pub fn none() -> Self {
+ GossipSync::None
+ }
+}
+
+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);
+ }
+ }
+}
+
+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, $get_timer: expr, $timer_elapsed: expr)
+ => { {
+ log_trace!($logger, "Calling ChannelManager's timer_tick_occurred on startup");
+ $channel_manager.timer_tick_occurred();
+
+ 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 have_pruned = false;
+
+ loop {
+ $process_channel_manager_events;
+ $process_chain_monitor_events;
+
+ // Note that the PeerManager::process_events may block on ChannelManager's locks,
+ // hence it comes last here. When the ChannelManager finishes whatever it's doing,
+ // we want to ensure we get into `persist_manager` as quickly as we can, especially
+ // without running the normal event processing above and handing events to users.
+ //
+ // Specifically, on an *extremely* slow machine, we may see ChannelManager start
+ // processing a message effectively at any point during this loop. In order to
+ // minimize the time between such processing completing and persisting the updated
+ // 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();
+
+ // 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 = $get_timer(1);
+ let updates_available = $await;
+ let await_slow = $timer_elapsed(&mut await_start, 1);
+
+ if updates_available {
+ log_trace!($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 $timer_elapsed(&mut last_freshness_call, FRESHNESS_TIMER) {
+ log_trace!($logger, "Calling ChannelManager's timer_tick_occurred");
+ $channel_manager.timer_tick_occurred();
+ last_freshness_call = $get_timer(FRESHNESS_TIMER);
+ }
+ if await_slow {
+ // On various platforms, we may be starved of CPU cycles for several reasons.
+ // E.g. on iOS, if we've been in the background, we will be entirely paused.
+ // Similarly, if we're on a desktop platform and the device has been asleep, we
+ // may not get any cycles.
+ // We detect this by checking if our max-100ms-sleep, above, ran longer than a
+ // full second, at which point we assume sockets may have been killed (they
+ // appear to be at least on some platforms, even if it has only been a second).
+ // Note that we have to take care to not get here just because user event
+ // processing was slow at the top of the loop. For example, the sample client
+ // may call Bitcoin Core RPCs during event handling, which very often takes
+ // more than a handful of seconds to complete, and shouldn't disconnect all our
+ // peers.
+ log_trace!($logger, "100ms sleep took more than a second, disconnecting peers.");
+ $peer_manager.disconnect_all_peers();
+ last_ping_call = $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 = $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 $timer_elapsed(&mut last_prune_call, if have_pruned { NETWORK_PRUNE_TIMER } else { FIRST_NETWORK_PRUNE_TIMER }) {
+ // The network graph must not be pruned while rapid sync completion is pending
+ if let Some(network_graph) = $gossip_sync.prunable_network_graph() {
+ log_trace!($logger, "Pruning and persisting network graph.");
+ network_graph.remove_stale_channels_and_tracking();
+
+ 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 = $get_timer(NETWORK_PRUNE_TIMER);
+ have_pruned = true;
+ }
+ }
+
+ 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 = $get_timer(SCORER_PERSIST_TIMER);
+ }
+ }
+
+ // After we exit, ensure we persist the ChannelManager one final time - this avoids
+ // some races where users quit while channel updates were in-flight, with
+ // ChannelMonitor update(s) persisted without a corresponding ChannelManager update.
+ $persister.persist_manager(&*$channel_manager)?;
+
+ // Persist Scorer on exit
+ if let Some(ref scorer) = $scorer {
+ $persister.persist_scorer(&scorer)?;
+ }
+
+ // Persist NetworkGraph on exit
+ if let Some(network_graph) = $gossip_sync.network_graph() {
+ $persister.persist_graph(network_graph)?;
+ }
+
+ Ok(())
+ } }
+}
+
+/// 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.
+///
+/// See [`BackgroundProcessor::start`] for information on which actions this handles.
+#[cfg(feature = "futures")]
+pub async fn process_events_async<
+ 'a,
+ CA: 'static + Deref + Send + Sync,
+ CF: 'static + Deref + Send + Sync,
+ CW: 'static + Deref + Send + Sync,
+ T: 'static + Deref + Send + Sync,
+ ES: 'static + Deref + Send + Sync,
+ NS: 'static + Deref + Send + Sync,
+ SP: 'static + Deref + Send + Sync,
+ F: 'static + Deref + Send + Sync,
+ R: '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,
+ 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,
+ 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,
+ S: 'static + Deref<Target = SC> + Send + Sync,
+ SC: WriteableScore<'a>,
+ 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>
+where
+ CA::Target: 'static + chain::Access,
+ CF::Target: 'static + chain::Filter,
+ CW::Target: 'static + chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ T::Target: 'static + BroadcasterInterface,
+ ES::Target: 'static + EntropySource,
+ NS::Target: 'static + NodeSigner,
+ SP::Target: 'static + SignerProvider,
+ 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,
+ PS::Target: 'static + Persister<'a, CW, T, ES, NS, SP, F, R, L, SC>,
+{
+ let mut should_break = true;
+ let async_event_handler = |event| {
+ let network_graph = gossip_sync.network_graph();
+ let event_handler = &event_handler;
+ async move {
+ if let Some(network_graph) = network_graph {
+ handle_network_graph_update(network_graph, &event)
+ }
+ event_handler(event).await;
+ }
+ };
+ define_run_body!(persister,
+ 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() => {
+ should_break = exit;
+ false
+ }
+ }
+ }, |t| sleeper(Duration::from_secs(t)),
+ |fut: &mut SleepFuture, _| {
+ let mut waker = task::noop_waker();
+ let mut ctx = task::Context::from_waker(&mut waker);
+ core::pin::Pin::new(fut).poll(&mut ctx).is_ready()
+ })
}
impl BackgroundProcessor {
/// [`ChannelManager`]. See the `lightning-persister` crate for LDK's
/// provided implementation.
///
- /// [`Persister::persist_graph`] is responsible for writing out the [`NetworkGraph`] to disk. See
- /// [`NetworkGraph::write`] for writing out a [`NetworkGraph`]. See the `lightning-persister` crate
- /// for LDK's provided implementation.
+ /// [`Persister::persist_graph`] is responsible for writing out the [`NetworkGraph`] to disk, if
+ /// [`GossipSync`] is supplied. See [`NetworkGraph::write`] for writing out a [`NetworkGraph`].
+ /// See the `lightning-persister` crate for LDK's provided implementation.
///
/// Typically, users should either implement [`Persister::persist_manager`] to never return an
/// error or call [`join`] and handle any error that may arise. For the latter case,
///
/// # Rapid Gossip Sync
///
- /// If rapid gossip sync is meant to run at startup, pass an optional [`RapidGossipSync`]
- /// to `rapid_gossip_sync` to indicate to [`BackgroundProcessor`] not to prune the
- /// [`NetworkGraph`] instance until the [`RapidGossipSync`] instance completes its first sync.
+ /// If rapid gossip sync is meant to run at startup, pass [`RapidGossipSync`] via `gossip_sync`
+ /// to indicate that the [`BackgroundProcessor`] should not prune the [`NetworkGraph`] instance
+ /// until the [`RapidGossipSync`] instance completes its first sync.
///
/// [top-level documentation]: BackgroundProcessor
/// [`join`]: Self::join
/// [`NetworkGraph::write`]: lightning::routing::gossip::NetworkGraph#impl-Writeable
pub fn start<
'a,
- Signer: 'static + Sign,
CA: 'static + Deref + Send + Sync,
CF: 'static + Deref + Send + Sync,
CW: 'static + Deref + Send + Sync,
T: 'static + Deref + Send + Sync,
- K: 'static + Deref + Send + Sync,
+ ES: 'static + Deref + Send + Sync,
+ NS: 'static + Deref + Send + Sync,
+ SP: 'static + Deref + Send + Sync,
F: 'static + Deref + Send + Sync,
+ R: '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<Signer, CF, T, F, L, P>> + Send + Sync,
- CM: 'static + Deref<Target = ChannelManager<Signer, CW, T, K, F, L>> + Send + Sync,
+ M: 'static + Deref<Target = ChainMonitor<<SP::Target as SignerProvider>::Signer, 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,
+ RGS: 'static + Deref<Target = RapidGossipSync<G, L>> + Send,
UMH: 'static + Deref + Send + Sync,
- PM: 'static + Deref<Target = PeerManager<Descriptor, CMH, RMH, L, UMH>> + Send + Sync,
+ PM: 'static + Deref<Target = PeerManager<Descriptor, CMH, RMH, OMH, L, UMH>> + Send + Sync,
S: 'static + Deref<Target = SC> + Send + Sync,
SC: WriteableScore<'a>,
- RGS: 'static + Deref<Target = RapidGossipSync<G, L>> + Send
>(
persister: PS, event_handler: EH, chain_monitor: M, channel_manager: CM,
- p2p_gossip_sync: Option<PGS>, peer_manager: PM, logger: L, scorer: Option<S>,
- rapid_gossip_sync: Option<RGS>
+ gossip_sync: GossipSync<PGS, RGS, G, CA, L>, peer_manager: PM, logger: L, scorer: Option<S>,
) -> Self
where
CA::Target: 'static + chain::Access,
CF::Target: 'static + chain::Filter,
- CW::Target: 'static + chain::Watch<Signer>,
+ CW::Target: 'static + chain::Watch<<SP::Target as SignerProvider>::Signer>,
T::Target: 'static + BroadcasterInterface,
- K::Target: 'static + KeysInterface<Signer = Signer>,
+ ES::Target: 'static + EntropySource,
+ NS::Target: 'static + NodeSigner,
+ SP::Target: 'static + SignerProvider,
F::Target: 'static + FeeEstimator,
+ R::Target: 'static + Router,
L::Target: 'static + Logger,
- P::Target: 'static + Persist<Signer>,
+ 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,
- PS::Target: 'static + Persister<'a, Signer, CW, T, K, F, L, SC>,
+ PS::Target: 'static + Persister<'a, CW, T, ES, NS, SP, F, R, L, SC>,
{
let stop_thread = Arc::new(AtomicBool::new(false));
let stop_thread_clone = stop_thread.clone();
let handle = thread::spawn(move || -> Result<(), std::io::Error> {
- let event_handler = DecoratingEventHandler { event_handler, p2p_gossip_sync: p2p_gossip_sync.as_ref().map(|t| t.deref()) };
-
- 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();
- let mut have_pruned = false;
-
- loop {
- channel_manager.process_pending_events(&event_handler);
- chain_monitor.process_pending_events(&event_handler);
-
- // Note that the PeerManager::process_events may block on ChannelManager's locks,
- // hence it comes last here. When the ChannelManager finishes whatever it's doing,
- // we want to ensure we get into `persist_manager` as quickly as we can, especially
- // without running the normal event processing above and handing events to users.
- //
- // Specifically, on an *extremely* slow machine, we may see ChannelManager start
- // processing a message effectively at any point during this loop. In order to
- // minimize the time between such processing completing and persisting the updated
- // 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();
-
- // 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 =
- channel_manager.await_persistable_update_timeout(Duration::from_millis(100));
- let await_time = await_start.elapsed();
-
- 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 stop_thread.load(Ordering::Acquire) == true {
- log_trace!(logger, "Terminating background processor.");
- break;
- }
- if last_freshness_call.elapsed().as_secs() > FRESHNESS_TIMER {
- log_trace!(logger, "Calling ChannelManager's timer_tick_occurred");
- channel_manager.timer_tick_occurred();
- last_freshness_call = Instant::now();
+ let event_handler = |event| {
+ let network_graph = gossip_sync.network_graph();
+ if let Some(network_graph) = network_graph {
+ handle_network_graph_update(network_graph, &event)
}
- if await_time > Duration::from_secs(1) {
- // 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
- // may not get any cycles.
- // We detect this by checking if our max-100ms-sleep, above, ran longer than a
- // full second, at which point we assume sockets may have been killed (they
- // appear to be at least on some platforms, even if it has only been a second).
- // Note that we have to take care to not get here just because user event
- // processing was slow at the top of the loop. For example, the sample client
- // may call Bitcoin Core RPCs during event handling, which very often takes
- // 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 {
- log_trace!(logger, "Calling PeerManager's timer_tick_occurred");
- peer_manager.timer_tick_occurred();
- last_ping_call = Instant::now();
- }
-
- // 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 } {
- // The network graph must not be pruned while rapid sync completion is pending
- log_trace!(logger, "Assessing prunability of network graph");
- let graph_to_prune = match rapid_gossip_sync.as_ref() {
- Some(rapid_sync) => {
- if rapid_sync.is_initial_sync_complete() {
- Some(rapid_sync.network_graph())
- } else {
- None
- }
- },
- None => p2p_gossip_sync.as_ref().map(|sync| sync.network_graph())
- };
-
- if let Some(network_graph_reference) = graph_to_prune {
- network_graph_reference.remove_stale_channels();
-
- if let Err(e) = persister.persist_graph(network_graph_reference) {
- log_error!(logger, "Error: Failed to persist network graph, check your disk and permissions {}", e)
- }
-
- last_prune_call = Instant::now();
- have_pruned = true;
- } else {
- log_trace!(logger, "Not pruning network graph, either due to pending rapid gossip sync or absence of a prunable graph.");
- }
- }
-
- if last_scorer_persist_call.elapsed().as_secs() > 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();
- }
- }
-
- // After we exit, ensure we persist the ChannelManager one final time - this avoids
- // some races where users quit while channel updates were in-flight, with
- // ChannelMonitor update(s) persisted without a corresponding ChannelManager update.
- persister.persist_manager(&*channel_manager)?;
-
- // Persist Scorer on exit
- if let Some(ref scorer) = scorer {
- persister.persist_scorer(&scorer)?;
- }
-
- // Persist NetworkGraph on exit
- if let Some(ref gossip_sync) = p2p_gossip_sync {
- persister.persist_graph(gossip_sync.network_graph())?;
- }
-
- Ok(())
+ 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)),
+ |_| Instant::now(), |time: &Instant, dur| time.elapsed().as_secs() > dur)
});
Self { stop_thread: stop_thread_clone, thread_handle: Some(handle) }
}
mod tests {
use bitcoin::blockdata::block::BlockHeader;
use bitcoin::blockdata::constants::genesis_block;
+ use bitcoin::blockdata::locktime::PackedLockTime;
use bitcoin::blockdata::transaction::{Transaction, TxOut};
use bitcoin::network::constants::Network;
use lightning::chain::{BestBlock, Confirm, chainmonitor};
use lightning::chain::channelmonitor::ANTI_REORG_DELAY;
- use lightning::chain::keysinterface::{InMemorySigner, Recipient, KeysInterface, KeysManager};
+ use lightning::chain::keysinterface::{InMemorySigner, Recipient, EntropySource, KeysManager, NodeSigner};
use lightning::chain::transaction::OutPoint;
use lightning::get_event_msg;
use lightning::ln::channelmanager::{BREAKDOWN_TIMEOUT, ChainParameters, ChannelManager, SimpleArcChannelManager};
- use lightning::ln::features::{ChannelFeatures, InitFeatures};
+ use lightning::ln::features::ChannelFeatures;
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::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_invoice::utils::DefaultRouter;
use lightning_persister::FilesystemPersister;
use std::fs;
use std::path::PathBuf;
use std::sync::{Arc, Mutex};
use std::sync::mpsc::SyncSender;
use std::time::Duration;
- use lightning::routing::scoring::{FixedPenaltyScorer};
+ use bitcoin::hashes::Hash;
+ use bitcoin::TxMerkleNode;
use lightning_rapid_gossip_sync::RapidGossipSync;
- use super::{BackgroundProcessor, FRESHNESS_TIMER};
+ use super::{BackgroundProcessor, GossipSync, FRESHNESS_TIMER};
const EVENT_DEADLINE: u64 = 5 * FRESHNESS_TIMER;
- #[derive(Clone, Eq, Hash, PartialEq)]
+ #[derive(Clone, Hash, PartialEq, Eq)]
struct TestDescriptor{}
impl SocketDescriptor for TestDescriptor {
fn send_data(&mut self, _data: &[u8], _resume_read: bool) -> usize {
type ChainMonitor = chainmonitor::ChainMonitor<InMemorySigner, Arc<test_utils::TestChainSource>, Arc<test_utils::TestBroadcaster>, Arc<test_utils::TestFeeEstimator>, Arc<test_utils::TestLogger>, Arc<FilesystemPersister>>;
+ 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>>,
- p2p_gossip_sync: Option<Arc<P2PGossipSync<Arc<NetworkGraph<Arc<test_utils::TestLogger>>>, Arc<test_utils::TestChainSource>, Arc<test_utils::TestLogger>>>>,
- peer_manager: Arc<PeerManager<TestDescriptor, Arc<test_utils::TestChannelMessageHandler>, Arc<test_utils::TestRoutingMessageHandler>, Arc<test_utils::TestLogger>, IgnoringMessageHandler>>,
+ 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>>,
chain_monitor: Arc<ChainMonitor>,
persister: Arc<FilesystemPersister>,
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<FixedPenaltyScorer>>,
- rapid_gossip_sync: Option<Arc<RapidGossipSync<Arc<NetworkGraph<Arc<test_utils::TestLogger>>>, Arc<test_utils::TestLogger>>>>,
+ scorer: Arc<Mutex<ProbabilisticScorer<Arc<NetworkGraph<Arc<test_utils::TestLogger>>>, Arc<test_utils::TestLogger>>>>,
+ }
+
+ impl Node {
+ fn p2p_gossip_sync(&self) -> GossipSync<PGS, RGS, Arc<NetworkGraph<Arc<test_utils::TestLogger>>>, Arc<test_utils::TestChainSource>, Arc<test_utils::TestLogger>> {
+ GossipSync::P2P(self.p2p_gossip_sync.clone())
+ }
+
+ fn rapid_gossip_sync(&self) -> GossipSync<PGS, RGS, Arc<NetworkGraph<Arc<test_utils::TestLogger>>>, Arc<test_utils::TestChainSource>, Arc<test_utils::TestLogger>> {
+ GossipSync::Rapid(self.rapid_gossip_sync.clone())
+ }
+
+ fn no_gossip_sync(&self) -> GossipSync<PGS, RGS, Arc<NetworkGraph<Arc<test_utils::TestLogger>>>, Arc<test_utils::TestChainSource>, Arc<test_utils::TestLogger>> {
+ GossipSync::None
+ }
}
impl Drop for Node {
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 fee_estimator = Arc::new(test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) });
- let chain_source = Arc::new(test_utils::TestChainSource::new(Network::Testnet));
let logger = Arc::new(test_utils::TestLogger::with_id(format!("node {}", i)));
- let persister = Arc::new(FilesystemPersister::new(format!("{}_persister_{}", persist_dir, i)));
- let seed = [i as u8; 32];
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 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 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 params = ChainParameters { network, best_block };
- let manager = Arc::new(ChannelManager::new(fee_estimator.clone(), chain_monitor.clone(), tx_broadcaster.clone(), logger.clone(), keys_manager.clone(), UserConfig::default(), params));
- let network_graph = Arc::new(NetworkGraph::new(genesis_block.header.block_hash(), logger.clone()));
- let p2p_gossip_sync = Some(Arc::new(P2PGossipSync::new(network_graph.clone(), Some(chain_source.clone()), logger.clone())));
- let msg_handler = MessageHandler { chan_handler: Arc::new(test_utils::TestChannelMessageHandler::new()), route_handler: Arc::new(test_utils::TestRoutingMessageHandler::new() )};
- let peer_manager = Arc::new(PeerManager::new(msg_handler, keys_manager.get_node_secret(Recipient::Node).unwrap(), &seed, logger.clone(), IgnoringMessageHandler{}));
- let scorer = Arc::new(Mutex::new(test_utils::TestScorer::with_penalty(0)));
- let rapid_gossip_sync = None;
- let node = Node { node: manager, p2p_gossip_sync, peer_manager, chain_monitor, persister, tx_broadcaster, network_graph, logger, best_block, scorer, rapid_gossip_sync };
+ 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 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 };
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: InitFeatures::known(), remote_network_address: None });
- nodes[j].node.peer_connected(&nodes[i].node.get_our_node_id(), &Init { features: InitFeatures::known(), remote_network_address: None });
+ 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();
}
}
begin_open_channel!($node_a, $node_b, $channel_value);
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);
+ let (temporary_channel_id, tx) = handle_funding_generation_ready!(events[0], $channel_value);
end_open_channel!($node_a, $node_b, temporary_channel_id, tx);
tx
}}
macro_rules! begin_open_channel {
($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();
- $node_b.node.handle_open_channel(&$node_a.node.get_our_node_id(), InitFeatures::known(), &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(), InitFeatures::known(), &get_event_msg!($node_b, MessageSendEvent::SendAcceptChannel, $node_a.node.get_our_node_id()));
+ $node_b.node.handle_open_channel(&$node_a.node.get_our_node_id(), $node_a.node.init_features(), &get_event_msg!($node_a, MessageSendEvent::SendOpenChannel, $node_b.node.get_our_node_id()));
+ $node_a.node.handle_accept_channel(&$node_b.node.get_our_node_id(), $node_b.node.init_features(), &get_event_msg!($node_b, MessageSendEvent::SendAcceptChannel, $node_a.node.get_our_node_id()));
}}
}
macro_rules! handle_funding_generation_ready {
($event: expr, $channel_value: expr) => {{
match $event {
- &Event::FundingGenerationReady { temporary_channel_id, channel_value_satoshis, ref output_script, user_channel_id, .. } => {
+ Event::FundingGenerationReady { temporary_channel_id, channel_value_satoshis, ref output_script, user_channel_id, .. } => {
assert_eq!(channel_value_satoshis, $channel_value);
assert_eq!(user_channel_id, 42);
- let tx = Transaction { version: 1 as i32, lock_time: 0, input: Vec::new(), output: vec![TxOut {
+ let tx = Transaction { version: 1 as i32, lock_time: PackedLockTime(0), input: Vec::new(), output: vec![TxOut {
value: channel_value_satoshis, script_pubkey: output_script.clone(),
}]};
(temporary_channel_id, tx)
for i in 1..=depth {
let prev_blockhash = node.best_block.block_hash();
let height = node.best_block.height() + 1;
- let header = BlockHeader { version: 0x20000000, prev_blockhash, merkle_root: Default::default(), time: height, bits: 42, nonce: 42 };
+ let header = BlockHeader { version: 0x20000000, prev_blockhash, merkle_root: TxMerkleNode::all_zeros(), time: height, bits: 42, nonce: 42 };
let txdata = vec![(0, tx)];
node.best_block = BestBlock::new(header.block_hash(), height);
match i {
// Initiate the background processors to watch each node.
let data_dir = nodes[0].persister.get_data_dir();
let persister = Arc::new(Persister::new(data_dir));
- let event_handler = |_: &_| {};
- let bg_processor = BackgroundProcessor::start(persister, event_handler, nodes[0].chain_monitor.clone(), nodes[0].node.clone(), nodes[0].p2p_gossip_sync.clone(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()), nodes[0].rapid_gossip_sync.clone());
+ let event_handler = |_: _| {};
+ let bg_processor = BackgroundProcessor::start(persister, event_handler, nodes[0].chain_monitor.clone(), nodes[0].node.clone(), nodes[0].p2p_gossip_sync(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()));
macro_rules! check_persisted_data {
($node: expr, $filepath: expr) => {
}
// Force-close the channel.
- nodes[0].node.force_close_channel(&OutPoint { txid: tx.txid(), index: 0 }.to_channel_id(), &nodes[1].node.get_our_node_id()).unwrap();
+ nodes[0].node.force_close_broadcasting_latest_txn(&OutPoint { txid: tx.txid(), index: 0 }.to_channel_id(), &nodes[1].node.get_our_node_id()).unwrap();
// Check that the force-close updates are persisted.
check_persisted_data!(nodes[0].node, filepath.clone());
// Check network graph is persisted
let filepath = get_full_filepath("test_background_processor_persister_0".to_string(), "network_graph".to_string());
- if let Some(ref handler) = nodes[0].p2p_gossip_sync {
- let network_graph = handler.network_graph();
- check_persisted_data!(network_graph, filepath.clone());
- }
+ 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 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 event_handler = |_: &_| {};
- let bg_processor = BackgroundProcessor::start(persister, event_handler, nodes[0].chain_monitor.clone(), nodes[0].node.clone(), nodes[0].p2p_gossip_sync.clone(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()), nodes[0].rapid_gossip_sync.clone());
+ 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 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 event_handler = |_: &_| {};
- let bg_processor = BackgroundProcessor::start(persister, event_handler, nodes[0].chain_monitor.clone(), nodes[0].node.clone(), nodes[0].p2p_gossip_sync.clone(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()), nodes[0].rapid_gossip_sync.clone());
+ 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()));
match bg_processor.join() {
Ok(_) => panic!("Expected error persisting manager"),
Err(e) => {
let nodes = create_nodes(2, "test_persist_network_graph_error".to_string());
let data_dir = nodes[0].persister.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.clone(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()), nodes[0].rapid_gossip_sync.clone());
+ 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()));
match bg_processor.stop() {
Ok(_) => panic!("Expected error persisting network graph"),
let nodes = create_nodes(2, "test_persist_scorer_error".to_string());
let data_dir = nodes[0].persister.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].p2p_gossip_sync.clone(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()), nodes[0].rapid_gossip_sync.clone());
+ 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()));
match bg_processor.stop() {
Ok(_) => panic!("Expected error persisting scorer"),
// Set up a background event handler for FundingGenerationReady events.
let (sender, receiver) = std::sync::mpsc::sync_channel(1);
- let event_handler = move |event: &Event| {
- sender.send(handle_funding_generation_ready!(event, channel_value)).unwrap();
+ let event_handler = move |event: Event| match event {
+ Event::FundingGenerationReady { .. } => sender.send(handle_funding_generation_ready!(event, channel_value)).unwrap(),
+ Event::ChannelReady { .. } => {},
+ _ => panic!("Unexpected event: {:?}", event),
};
- let bg_processor = BackgroundProcessor::start(persister, event_handler, nodes[0].chain_monitor.clone(), nodes[0].node.clone(), nodes[0].p2p_gossip_sync.clone(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()), nodes[0].rapid_gossip_sync.clone());
+
+ 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()));
// Open a channel and check that the FundingGenerationReady event was handled.
begin_open_channel!(nodes[0], nodes[1], channel_value);
// Set up a background event handler for SpendableOutputs events.
let (sender, receiver) = std::sync::mpsc::sync_channel(1);
- let event_handler = move |event: &Event| sender.send(event.clone()).unwrap();
+ let event_handler = move |event: Event| match event {
+ Event::SpendableOutputs { .. } => sender.send(event.clone()).unwrap(),
+ Event::ChannelReady { .. } => {},
+ Event::ChannelClosed { .. } => {},
+ _ => panic!("Unexpected event: {:?}", event),
+ };
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].p2p_gossip_sync.clone(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()), nodes[0].rapid_gossip_sync.clone());
+ 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()));
// Force close the channel and check that the SpendableOutputs event was handled.
- nodes[0].node.force_close_channel(&nodes[0].node.list_channels()[0].channel_id, &nodes[1].node.get_our_node_id()).unwrap();
+ nodes[0].node.force_close_broadcasting_latest_txn(&nodes[0].node.list_channels()[0].channel_id, &nodes[1].node.get_our_node_id()).unwrap();
let commitment_tx = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().pop().unwrap();
confirm_transaction_depth(&mut nodes[0], &commitment_tx, BREAKDOWN_TIMEOUT as u32);
+
let event = receiver
.recv_timeout(Duration::from_secs(EVENT_DEADLINE))
- .expect("SpendableOutputs not handled within deadline");
+ .expect("Events not handled within deadline");
match event {
Event::SpendableOutputs { .. } => {},
- Event::ChannelClosed { .. } => {},
_ => panic!("Unexpected event: {:?}", event),
}
let nodes = create_nodes(2, "test_scorer_persistence".to_string());
let data_dir = nodes[0].persister.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.clone(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()), nodes[0].rapid_gossip_sync.clone());
+ 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 (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 rapid_sync = Arc::new(RapidGossipSync::new(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");
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].p2p_gossip_sync.clone(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()), Some(rapid_sync.clone()));
+ 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 expected_log_a = "Assessing prunability of network graph".to_string();
- let expected_log_b = "Not pruning network graph, either due to pending rapid gossip sync or absence of a prunable graph.".to_string();
- if log_entries.get(&("lightning_background_processor".to_string(), expected_log_a)).is_some() &&
- log_entries.get(&("lightning_background_processor".to_string(), expected_log_b)).is_some() {
+ 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
}
}
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,
];
- rapid_sync.update_network_graph(&initialization_input[..]).unwrap();
+ 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);
// Initiate the background processors to watch each node.
let data_dir = nodes[0].persister.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);
- let invoice_payer = Arc::new(InvoicePayer::new(Arc::clone(&nodes[0].node), router, Arc::clone(&nodes[0].scorer), Arc::clone(&nodes[0].logger), |_: &_| {}, Retry::Attempts(2)));
+ 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].p2p_gossip_sync.clone(), nodes[0].peer_manager.clone(), nodes[0].logger.clone(), Some(nodes[0].scorer.clone()), nodes[0].rapid_gossip_sync.clone());
+ 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());
}
}
projects / rust-lightning / blobdiff