use lightning::ln::peer_handler::{IgnoringMessageHandler, MessageHandler, SimpleArcPeerManager};
use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
use lightning::routing::network_graph::{NetGraphMsgHandler, NetworkGraph};
-use lightning::routing::scorer::Scorer;
+use lightning::routing::scoring::Scorer;
use lightning::util::config::UserConfig;
use lightning::util::events::{Event, PaymentPurpose};
use lightning::util::ser::ReadableArgs;
}
}
}
- Event::PaymentSent { payment_preimage, payment_hash, .. } => {
+ Event::PaymentSent { payment_preimage, payment_hash, fee_paid_msat, .. } => {
let mut payments = outbound_payments.lock().unwrap();
for (hash, payment) in payments.iter_mut() {
if *hash == *payment_hash {
payment.preimage = Some(*payment_preimage);
payment.status = HTLCStatus::Succeeded;
println!(
- "\nEVENT: successfully sent payment of {} millisatoshis from \
+ "\nEVENT: successfully sent payment of {} millisatoshis{} from \
payment hash {:?} with preimage {:?}",
payment.amt_msat,
+ if let Some(fee) = fee_paid_msat {
+ format!(" (fee {} msat)", fee)
+ } else {
+ "".to_string()
+ },
hex_utils::hex_str(&payment_hash.0),
hex_utils::hex_str(&payment_preimage.0)
);
}
}
}
- Event::PaymentPathFailed {
- payment_hash,
- rejected_by_dest,
- all_paths_failed,
- short_channel_id,
- ..
- } => {
+ Event::PaymentPathSuccessful { .. } => {}
+ Event::PaymentPathFailed { .. } => {}
+ Event::PaymentFailed { payment_hash, .. } => {
print!(
- "\nEVENT: Failed to send payment{} to payment hash {:?}",
- if *all_paths_failed { "" } else { " along MPP path" },
+ "\nEVENT: Failed to send payment to payment hash {:?}: exhausted payment retry attempts",
hex_utils::hex_str(&payment_hash.0)
);
- if let Some(scid) = short_channel_id {
- print!(" because of failure at channel {}", scid);
- }
- if *rejected_by_dest {
- println!(": re-attempting the payment will not succeed");
- } else {
- println!(": exhausted payment retry attempts");
- }
print!("> ");
io::stdout().flush().unwrap();
));
};
- // Step 16: Create InvoicePayer
+ // 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))));
+ let scorer_persist = Arc::clone(&scorer);
+ tokio::spawn(async move {
+ let mut interval = tokio::time::interval(Duration::from_secs(600));
+ loop {
+ interval.tick().await;
+ if disk::persist_scorer(Path::new(&scorer_path), &scorer_persist.lock().unwrap())
+ .is_err()
+ {
+ // Persistence errors here are non-fatal as channels will be re-scored as payments
+ // fail, but they may indicate a disk error which could be fatal elsewhere.
+ eprintln!("Warning: Failed to persist scorer, check your disk and permissions");
+ }
+ }
+ });
+
+ // Step 17: Create InvoicePayer
let router = DefaultRouter::new(network_graph.clone(), logger.clone());
- let scorer = Arc::new(Mutex::new(Scorer::default()));
let invoice_payer = Arc::new(InvoicePayer::new(
channel_manager.clone(),
router,
payment::RetryAttempts(5),
));
- // Step 17: Persist ChannelManager
+ // 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: Background Processing
+ // Step 19: Background Processing
let background_processor = BackgroundProcessor::start(
persist_channel_manager_callback,
invoice_payer.clone(),
logger.clone(),
);
- // Reconnect to channel peers if possible.
+ // Regularly reconnect to channel peers.
+ let connect_cm = Arc::clone(&channel_manager);
+ let connect_pm = Arc::clone(&peer_manager);
let peer_data_path = format!("{}/channel_peer_data", ldk_data_dir.clone());
- match disk::read_channel_peer_data(Path::new(&peer_data_path)) {
- Ok(mut info) => {
- for (pubkey, peer_addr) in info.drain() {
- for chan_info in channel_manager.list_channels() {
- if pubkey == chan_info.counterparty.node_id {
- let _ =
- cli::connect_peer_if_necessary(pubkey, peer_addr, peer_manager.clone())
+ tokio::spawn(async move {
+ let mut interval = tokio::time::interval(Duration::from_secs(1));
+ loop {
+ interval.tick().await;
+ match disk::read_channel_peer_data(Path::new(&peer_data_path)) {
+ Ok(info) => {
+ let peers = connect_pm.get_peer_node_ids();
+ for node_id in connect_cm
+ .list_channels()
+ .iter()
+ .map(|chan| chan.counterparty.node_id)
+ .filter(|id| !peers.contains(id))
+ {
+ for (pubkey, peer_addr) in info.iter() {
+ if *pubkey == node_id {
+ let _ = cli::do_connect_peer(
+ *pubkey,
+ peer_addr.clone(),
+ Arc::clone(&connect_pm),
+ )
.await;
+ }
+ }
}
}
+ Err(e) => println!("ERROR: errored reading channel peer info from disk: {:?}", e),
}
}
- Err(e) => println!("ERROR: errored reading channel peer info from disk: {:?}", e),
- }
+ });
// Regularly broadcast our node_announcement. This is only required (or possible) if we have
// some public channels, and is only useful if we have public listen address(es) to announce.