Do not panic if we fail to fund a channel

[ldk-sample] / src / main.rs

diff --git a/src/main.rs b/src/main.rs
index cba93f6a7f28e9c3d22a68aad98c210edce1874a..b7d74aa0ffb57c0ed427ead353f162b3acd20dbd 100644 (file)
--- a/src/main.rs
+++ b/src/main.rs
@@ -139,7 +139,15 @@ async fn handle_ldk_events(
                        let final_tx: Transaction =
                                encode::deserialize(&hex_utils::to_vec(&signed_tx.hex).unwrap()).unwrap();
                        // Give the funding transaction back to LDK for opening the channel.
-                       channel_manager.funding_transaction_generated(&temporary_channel_id, final_tx).unwrap();
+                       if channel_manager
+                               .funding_transaction_generated(&temporary_channel_id, final_tx)
+                               .is_err()
+                       {
+                               println!(
+                                       "\nERROR: Channel went away before we could fund it. The peer disconnected or refused the channel.");
+                               print!("> ");
+                               io::stdout().flush().unwrap();
+                       }
                }
                Event::PaymentReceived { payment_hash, payment_preimage, payment_secret, amt, .. } => {
                        let mut payments = inbound_payments.lock().unwrap();
@@ -569,7 +577,7 @@ async fn start_ldk() {
        // to avoid churn in the global network graph.
        let chan_manager = Arc::clone(&channel_manager);
        let network = args.network;
-       if args.ldk_announced_listen_addr.is_some() {
+       if !args.ldk_announced_listen_addr.is_empty() {
                tokio::spawn(async move {
                        let mut interval = tokio::time::interval(Duration::from_secs(60));
                        loop {
@@ -577,7 +585,7 @@ async fn start_ldk() {
                                chan_manager.broadcast_node_announcement(
                                        [0; 3],
                                        args.ldk_announced_node_name,
-                                       vec![args.ldk_announced_listen_addr.as_ref().unwrap().clone()],
+                                       args.ldk_announced_listen_addr.clone(),
                                );
                        }
                });