X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain.rs;h=9e82f8aa76f079235c8ca4ac87700bab4f77798f;hb=16acfaf7655a9ad2eeddacde0675126ec6795303;hp=d24fcad81177ac75e66016a1b55d9e2f72807c0a;hpb=9c10e5533db6829deeaf26f396fc5dd493baad6c;p=ldk-sample

diff --git a/src/main.rs b/src/main.rs
index d24fcad..9e82f8a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -28,7 +28,7 @@ use lightning::ln::peer_handler::{MessageHandler, SimpleArcPeerManager};
 use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
 use lightning::routing::network_graph::NetGraphMsgHandler;
 use lightning::util::config::UserConfig;
-use lightning::util::events::Event;
+use lightning::util::events::{Event, PaymentPurpose};
 use lightning::util::ser::ReadableArgs;
 use lightning_background_processor::BackgroundProcessor;
 use lightning_block_sync::init;
@@ -129,8 +129,6 @@ async fn handle_ldk_events(
 			// Have your wallet put the inputs into the transaction such that the output is
 			// satisfied.
 			let funded_tx = bitcoind_client.fund_raw_transaction(raw_tx).await;
-			let change_output_position = funded_tx.changepos;
-			assert!(change_output_position == 0 || change_output_position == 1);
 
 			// Sign the final funding transaction and broadcast it.
 			let signed_tx = bitcoind_client.sign_raw_transaction_with_wallet(funded_tx.hex).await;
@@ -138,10 +136,24 @@ 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, .. } => {
+		Event::PaymentReceived { payment_hash, purpose, amt, .. } => {
 			let mut payments = inbound_payments.lock().unwrap();
+			let (payment_preimage, payment_secret) = match purpose {
+				PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+					(payment_preimage, Some(payment_secret))
+				}
+				PaymentPurpose::SpontaneousPayment(preimage) => (Some(preimage), None),
+			};
 			let status = match channel_manager.claim_funds(payment_preimage.unwrap()) {
 				true => {
 					println!(
@@ -159,13 +171,13 @@ async fn handle_ldk_events(
 				Entry::Occupied(mut e) => {
 					let payment = e.get_mut();
 					payment.status = status;
-					payment.preimage = Some(payment_preimage.unwrap());
-					payment.secret = Some(payment_secret);
+					payment.preimage = payment_preimage;
+					payment.secret = payment_secret;
 				}
 				Entry::Vacant(e) => {
 					e.insert(PaymentInfo {
-						preimage: Some(payment_preimage.unwrap()),
-						secret: Some(payment_secret),
+						preimage: payment_preimage,
+						secret: payment_secret,
 						status,
 						amt_msat: MillisatAmount(Some(amt)),
 					});
@@ -210,6 +222,23 @@ async fn handle_ldk_events(
 				payment.status = HTLCStatus::Failed;
 			}
 		}
+		Event::PaymentForwarded { fee_earned_msat, claim_from_onchain_tx } => {
+			let from_onchain_str = if claim_from_onchain_tx {
+				"from onchain downstream claim"
+			} else {
+				"from HTLC fulfill message"
+			};
+			if let Some(fee_earned) = fee_earned_msat {
+				println!(
+					"\nEVENT: Forwarded payment, earning {} msat {}",
+					fee_earned, from_onchain_str
+				);
+			} else {
+				println!("\nEVENT: Forwarded payment, claiming onchain {}", from_onchain_str);
+			}
+			print!("> ");
+			io::stdout().flush().unwrap();
+		}
 		Event::PendingHTLCsForwardable { time_forwardable } => {
 			let forwarding_channel_manager = channel_manager.clone();
 			tokio::spawn(async move {
@@ -339,7 +368,8 @@ async fn start_ldk() {
 	let mut channelmonitors = persister.read_channelmonitors(keys_manager.clone()).unwrap();
 
 	// Step 8: Initialize the ChannelManager
-	let user_config = UserConfig::default();
+	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) = {
 		if let Ok(mut f) = fs::File::open(format!("{}/manager", ldk_data_dir.clone())) {
@@ -536,7 +566,7 @@ async fn start_ldk() {
 	let persist_channel_manager_callback =
 		move |node: &ChannelManager| FilesystemPersister::persist_manager(data_dir.clone(), &*node);
 	// Step 17: Background Processing
-	BackgroundProcessor::start(
+	let background_processor = BackgroundProcessor::start(
 		persist_channel_manager_callback,
 		event_handler,
 		chain_monitor.clone(),
@@ -568,7 +598,7 @@ 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 {
@@ -576,7 +606,7 @@ 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(),
 				);
 			}
 		});
@@ -595,6 +625,9 @@ async fn start_ldk() {
 		network,
 	)
 	.await;
+
+	// Stop the background processor.
+	background_processor.stop().unwrap();
 }
 
 #[tokio::main]