Update to LDK 0.0.106

[ldk-sample] / src / main.rs

diff --git a/src/main.rs b/src/main.rs
index cdbb178a5f82b64fe3c60ec196176045137badef..07afa66436164c15b0b5af0e018fc8135549d917 100644 (file)
--- a/src/main.rs
+++ b/src/main.rs
@@ -29,7 +29,7 @@ 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;
@@ -108,6 +108,36 @@ pub(crate) type InvoicePayer<E> = payment::InvoicePayer<
 
 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,
@@ -490,22 +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);
@@ -611,7 +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,
@@ -621,14 +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(),