Update to LDK 0.0.106
[ldk-sample] / src / main.rs
index 3959386fd15c5559a413111c8089c3c7edeb05a5..07afa66436164c15b0b5af0e018fc8135549d917 100644 (file)
@@ -16,7 +16,7 @@ use bitcoin_bech32::WitnessProgram;
 use lightning::chain;
 use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
 use lightning::chain::chainmonitor;
-use lightning::chain::keysinterface::{InMemorySigner, KeysInterface, KeysManager};
+use lightning::chain::keysinterface::{InMemorySigner, KeysInterface, KeysManager, Recipient};
 use lightning::chain::{BestBlock, Filter, Watch};
 use lightning::ln::channelmanager;
 use lightning::ln::channelmanager::{
@@ -25,11 +25,11 @@ use lightning::ln::channelmanager::{
 use lightning::ln::peer_handler::{IgnoringMessageHandler, MessageHandler, SimpleArcPeerManager};
 use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
 use lightning::routing::network_graph::{NetGraphMsgHandler, NetworkGraph};
-use lightning::routing::scoring::Scorer;
+use lightning::routing::scoring::ProbabilisticScorer;
 use lightning::util::config::UserConfig;
 use lightning::util::events::{Event, PaymentPurpose};
 use lightning::util::ser::ReadableArgs;
-use lightning_background_processor::BackgroundProcessor;
+use lightning_background_processor::{BackgroundProcessor, Persister};
 use lightning_block_sync::init;
 use lightning_block_sync::poll;
 use lightning_block_sync::SpvClient;
@@ -101,13 +101,43 @@ pub(crate) type ChannelManager =
 pub(crate) type InvoicePayer<E> = payment::InvoicePayer<
        Arc<ChannelManager>,
        Router,
-       Arc<Mutex<Scorer>>,
+       Arc<Mutex<ProbabilisticScorer<Arc<NetworkGraph>>>>,
        Arc<FilesystemLogger>,
        E,
 >;
 
 type Router = DefaultRouter<Arc<NetworkGraph>, Arc<FilesystemLogger>>;
 
+struct DataPersister {
+       data_dir: String,
+}
+
+impl
+       Persister<
+               InMemorySigner,
+               Arc<ChainMonitor>,
+               Arc<BitcoindClient>,
+               Arc<KeysManager>,
+               Arc<BitcoindClient>,
+               Arc<FilesystemLogger>,
+       > for DataPersister
+{
+       fn persist_manager(&self, channel_manager: &ChannelManager) -> Result<(), std::io::Error> {
+               FilesystemPersister::persist_manager(self.data_dir.clone(), channel_manager)
+       }
+
+       fn persist_graph(&self, network_graph: &NetworkGraph) -> Result<(), std::io::Error> {
+               if FilesystemPersister::persist_network_graph(self.data_dir.clone(), network_graph).is_err()
+               {
+                       // Persistence errors here are non-fatal as we can just fetch the routing graph
+                       // again later, but they may indicate a disk error which could be fatal elsewhere.
+                       eprintln!("Warning: Failed to persist network graph, check your disk and permissions");
+               }
+
+               Ok(())
+       }
+}
+
 async fn handle_ldk_events(
        channel_manager: Arc<ChannelManager>, bitcoind_client: Arc<BitcoindClient>,
        keys_manager: Arc<KeysManager>, inbound_payments: PaymentInfoStorage,
@@ -128,7 +158,7 @@ async fn handle_ldk_events(
                                        Network::Bitcoin => bitcoin_bech32::constants::Network::Bitcoin,
                                        Network::Testnet => bitcoin_bech32::constants::Network::Testnet,
                                        Network::Regtest => bitcoin_bech32::constants::Network::Regtest,
-                                       Network::Signet => panic!("Signet unsupported"),
+                                       Network::Signet => bitcoin_bech32::constants::Network::Signet,
                                },
                        )
                        .expect("Lightning funding tx should always be to a SegWit output")
@@ -218,6 +248,9 @@ async fn handle_ldk_events(
                                }
                        }
                }
+               Event::OpenChannelRequest { .. } => {
+                       // Unreachable, we don't set manually_accept_inbound_channels
+               }
                Event::PaymentPathSuccessful { .. } => {}
                Event::PaymentPathFailed { .. } => {}
                Event::PaymentFailed { payment_hash, .. } => {
@@ -397,7 +430,7 @@ async fn start_ldk() {
        let mut user_config = UserConfig::default();
        user_config.peer_channel_config_limits.force_announced_channel_preference = false;
        let mut restarting_node = true;
-       let (channel_manager_blockhash, mut channel_manager) = {
+       let (channel_manager_blockhash, channel_manager) = {
                if let Ok(mut f) = fs::File::open(format!("{}/manager", ldk_data_dir.clone())) {
                        let mut channel_monitor_mut_references = Vec::new();
                        for (_, channel_monitor) in channelmonitors.iter_mut() {
@@ -444,7 +477,7 @@ async fn start_ldk() {
        let mut chain_tip: Option<poll::ValidatedBlockHeader> = None;
        if restarting_node {
                let mut chain_listeners =
-                       vec![(channel_manager_blockhash, &mut channel_manager as &mut dyn chain::Listen)];
+                       vec![(channel_manager_blockhash, &channel_manager as &dyn chain::Listen)];
 
                for (blockhash, channel_monitor) in channelmonitors.drain(..) {
                        let outpoint = channel_monitor.get_funding_txo().0;
@@ -456,10 +489,8 @@ async fn start_ldk() {
                }
 
                for monitor_listener_info in chain_listener_channel_monitors.iter_mut() {
-                       chain_listeners.push((
-                               monitor_listener_info.0,
-                               &mut monitor_listener_info.1 as &mut dyn chain::Listen,
-                       ));
+                       chain_listeners
+                               .push((monitor_listener_info.0, &monitor_listener_info.1 as &dyn chain::Listen));
                }
                chain_tip = Some(
                        init::synchronize_listeners(
@@ -489,22 +520,6 @@ async fn start_ldk() {
                None::<Arc<dyn chain::Access + Send + Sync>>,
                logger.clone(),
        ));
-       let network_graph_persist = Arc::clone(&network_graph);
-       tokio::spawn(async move {
-               let mut interval = tokio::time::interval(Duration::from_secs(600));
-               loop {
-                       interval.tick().await;
-                       if disk::persist_network(Path::new(&network_graph_path), &network_graph_persist)
-                               .is_err()
-                       {
-                               // Persistence errors here are non-fatal as we can just fetch the routing graph
-                               // again later, but they may indicate a disk error which could be fatal elsewhere.
-                               eprintln!(
-                                       "Warning: Failed to persist network graph, check your disk and permissions"
-                               );
-                       }
-               }
-       });
 
        // Step 12: Initialize the PeerManager
        let channel_manager: Arc<ChannelManager> = Arc::new(channel_manager);
@@ -516,7 +531,7 @@ async fn start_ldk() {
        };
        let peer_manager: Arc<PeerManager> = Arc::new(PeerManager::new(
                lightning_msg_handler,
-               keys_manager.get_node_secret(),
+               keys_manager.get_node_secret(Recipient::Node).unwrap(),
                &ephemeral_bytes,
                logger.clone(),
                Arc::new(IgnoringMessageHandler {}),
@@ -588,9 +603,12 @@ async fn start_ldk() {
                ));
        };
 
-       // Step 16: Initialize routing Scorer
-       let scorer_path = format!("{}/scorer", ldk_data_dir.clone());
-       let scorer = Arc::new(Mutex::new(disk::read_scorer(Path::new(&scorer_path))));
+       // Step 16: Initialize routing ProbabilisticScorer
+       let scorer_path = format!("{}/prob_scorer", ldk_data_dir.clone());
+       let scorer = Arc::new(Mutex::new(disk::read_scorer(
+               Path::new(&scorer_path),
+               Arc::clone(&network_graph),
+       )));
        let scorer_persist = Arc::clone(&scorer);
        tokio::spawn(async move {
                let mut interval = tokio::time::interval(Duration::from_secs(600));
@@ -607,7 +625,11 @@ async fn start_ldk() {
        });
 
        // Step 17: Create InvoicePayer
-       let router = DefaultRouter::new(network_graph.clone(), logger.clone());
+       let router = DefaultRouter::new(
+               network_graph.clone(),
+               logger.clone(),
+               keys_manager.get_secure_random_bytes(),
+       );
        let invoice_payer = Arc::new(InvoicePayer::new(
                channel_manager.clone(),
                router,
@@ -617,14 +639,12 @@ async fn start_ldk() {
                payment::RetryAttempts(5),
        ));
 
-       // Step 18: Persist ChannelManager
-       let data_dir = ldk_data_dir.clone();
-       let persist_channel_manager_callback =
-               move |node: &ChannelManager| FilesystemPersister::persist_manager(data_dir.clone(), &*node);
+       // Step 18: Persist ChannelManager and NetworkGraph
+       let persister = DataPersister { data_dir: ldk_data_dir.clone() };
 
        // Step 19: Background Processing
        let background_processor = BackgroundProcessor::start(
-               persist_channel_manager_callback,
+               persister,
                invoice_payer.clone(),
                chain_monitor.clone(),
                channel_manager.clone(),