1 use crate::disk::{self, INBOUND_PAYMENTS_FNAME, OUTBOUND_PAYMENTS_FNAME};
4 ChannelManager, HTLCStatus, MillisatAmount, NetworkGraph, OnionMessenger, PaymentInfo,
5 PaymentInfoStorage, PeerManager,
7 use bitcoin::hashes::sha256::Hash as Sha256;
8 use bitcoin::hashes::Hash;
9 use bitcoin::network::constants::Network;
10 use bitcoin::secp256k1::PublicKey;
11 use lightning::ln::channelmanager::{PaymentId, RecipientOnionFields, Retry};
12 use lightning::ln::msgs::NetAddress;
13 use lightning::ln::{PaymentHash, PaymentPreimage};
14 use lightning::onion_message::OnionMessagePath;
15 use lightning::onion_message::{CustomOnionMessageContents, Destination, OnionMessageContents};
16 use lightning::routing::gossip::NodeId;
17 use lightning::routing::router::{PaymentParameters, RouteParameters};
18 use lightning::sign::{EntropySource, KeysManager};
19 use lightning::util::config::{ChannelHandshakeConfig, ChannelHandshakeLimits, UserConfig};
20 use lightning::util::persist::KVStorePersister;
21 use lightning::util::ser::{Writeable, Writer};
22 use lightning_invoice::payment::pay_invoice;
23 use lightning_invoice::{utils, Bolt11Invoice, Currency};
24 use lightning_persister::FilesystemPersister;
28 use std::net::{SocketAddr, ToSocketAddrs};
30 use std::str::FromStr;
31 use std::sync::{Arc, Mutex};
32 use std::time::Duration;
34 pub(crate) struct LdkUserInfo {
35 pub(crate) bitcoind_rpc_username: String,
36 pub(crate) bitcoind_rpc_password: String,
37 pub(crate) bitcoind_rpc_port: u16,
38 pub(crate) bitcoind_rpc_host: String,
39 pub(crate) ldk_storage_dir_path: String,
40 pub(crate) ldk_peer_listening_port: u16,
41 pub(crate) ldk_announced_listen_addr: Vec<NetAddress>,
42 pub(crate) ldk_announced_node_name: [u8; 32],
43 pub(crate) network: Network,
46 struct UserOnionMessageContents {
51 impl CustomOnionMessageContents for UserOnionMessageContents {
52 fn tlv_type(&self) -> u64 {
57 impl Writeable for UserOnionMessageContents {
58 fn write<W: Writer>(&self, w: &mut W) -> Result<(), std::io::Error> {
59 w.write_all(&self.data)
63 pub(crate) async fn poll_for_user_input(
64 peer_manager: Arc<PeerManager>, channel_manager: Arc<ChannelManager>,
65 keys_manager: Arc<KeysManager>, network_graph: Arc<NetworkGraph>,
66 onion_messenger: Arc<OnionMessenger>, inbound_payments: Arc<Mutex<PaymentInfoStorage>>,
67 outbound_payments: Arc<Mutex<PaymentInfoStorage>>, ldk_data_dir: String, network: Network,
68 logger: Arc<disk::FilesystemLogger>, persister: Arc<FilesystemPersister>,
71 "LDK startup successful. Enter \"help\" to view available commands. Press Ctrl-D to quit."
73 println!("LDK logs are available at <your-supplied-ldk-data-dir-path>/.ldk/logs");
74 println!("Local Node ID is {}.", channel_manager.get_our_node_id());
77 io::stdout().flush().unwrap(); // Without flushing, the `>` doesn't print
78 let mut line = String::new();
79 if let Err(e) = io::stdin().read_line(&mut line) {
80 break println!("ERROR: {}", e);
84 // We hit EOF / Ctrl-D
88 let mut words = line.split_whitespace();
89 if let Some(word) = words.next() {
93 let peer_pubkey_and_ip_addr = words.next();
94 let channel_value_sat = words.next();
95 if peer_pubkey_and_ip_addr.is_none() || channel_value_sat.is_none() {
96 println!("ERROR: openchannel has 2 required arguments: `openchannel pubkey@host:port channel_amt_satoshis` [--public] [--with-anchors]");
99 let peer_pubkey_and_ip_addr = peer_pubkey_and_ip_addr.unwrap();
100 let (pubkey, peer_addr) =
101 match parse_peer_info(peer_pubkey_and_ip_addr.to_string()) {
104 println!("{:?}", e.into_inner().unwrap());
109 let chan_amt_sat: Result<u64, _> = channel_value_sat.unwrap().parse();
110 if chan_amt_sat.is_err() {
111 println!("ERROR: channel amount must be a number");
115 if connect_peer_if_necessary(pubkey, peer_addr, peer_manager.clone())
122 let (mut announce_channel, mut with_anchors) = (false, false);
123 while let Some(word) = words.next() {
125 "--public" | "--public=true" => announce_channel = true,
126 "--public=false" => announce_channel = false,
127 "--with-anchors" | "--with-anchors=true" => with_anchors = true,
128 "--with-anchors=false" => with_anchors = false,
130 println!("ERROR: invalid boolean flag format. Valid formats: `--option`, `--option=true` `--option=false`");
138 chan_amt_sat.unwrap(),
141 channel_manager.clone(),
145 let peer_data_path = format!("{}/channel_peer_data", ldk_data_dir.clone());
146 let _ = disk::persist_channel_peer(
147 Path::new(&peer_data_path),
148 peer_pubkey_and_ip_addr,
153 let invoice_str = words.next();
154 if invoice_str.is_none() {
155 println!("ERROR: sendpayment requires an invoice: `sendpayment <invoice>`");
159 let invoice = match Bolt11Invoice::from_str(invoice_str.unwrap()) {
162 println!("ERROR: invalid invoice: {:?}", e);
170 &mut outbound_payments.lock().unwrap(),
175 let dest_pubkey = match words.next() {
176 Some(dest) => match hex_utils::to_compressed_pubkey(dest) {
179 println!("ERROR: couldn't parse destination pubkey");
184 println!("ERROR: keysend requires a destination pubkey: `keysend <dest_pubkey> <amt_msat>`");
188 let amt_msat_str = match words.next() {
191 println!("ERROR: keysend requires an amount in millisatoshis: `keysend <dest_pubkey> <amt_msat>`");
195 let amt_msat: u64 = match amt_msat_str.parse() {
198 println!("ERROR: couldn't parse amount_msat: {}", e);
207 &mut outbound_payments.lock().unwrap(),
212 let amt_str = words.next();
213 if amt_str.is_none() {
214 println!("ERROR: getinvoice requires an amount in millisatoshis");
218 let amt_msat: Result<u64, _> = amt_str.unwrap().parse();
219 if amt_msat.is_err() {
220 println!("ERROR: getinvoice provided payment amount was not a number");
224 let expiry_secs_str = words.next();
225 if expiry_secs_str.is_none() {
226 println!("ERROR: getinvoice requires an expiry in seconds");
230 let expiry_secs: Result<u32, _> = expiry_secs_str.unwrap().parse();
231 if expiry_secs.is_err() {
232 println!("ERROR: getinvoice provided expiry was not a number");
236 let mut inbound_payments = inbound_payments.lock().unwrap();
239 &mut inbound_payments,
241 Arc::clone(&keys_manager),
243 expiry_secs.unwrap(),
246 persister.persist(INBOUND_PAYMENTS_FNAME, &*inbound_payments).unwrap();
249 let peer_pubkey_and_ip_addr = words.next();
250 if peer_pubkey_and_ip_addr.is_none() {
251 println!("ERROR: connectpeer requires peer connection info: `connectpeer pubkey@host:port`");
254 let (pubkey, peer_addr) =
255 match parse_peer_info(peer_pubkey_and_ip_addr.unwrap().to_string()) {
258 println!("{:?}", e.into_inner().unwrap());
262 if connect_peer_if_necessary(pubkey, peer_addr, peer_manager.clone())
266 println!("SUCCESS: connected to peer {}", pubkey);
269 "disconnectpeer" => {
270 let peer_pubkey = words.next();
271 if peer_pubkey.is_none() {
272 println!("ERROR: disconnectpeer requires peer public key: `disconnectpeer <peer_pubkey>`");
277 match bitcoin::secp256k1::PublicKey::from_str(peer_pubkey.unwrap()) {
278 Ok(pubkey) => pubkey,
280 println!("ERROR: {}", e.to_string());
285 if do_disconnect_peer(
287 peer_manager.clone(),
288 channel_manager.clone(),
292 println!("SUCCESS: disconnected from peer {}", peer_pubkey);
295 "listchannels" => list_channels(&channel_manager, &network_graph),
296 "listpayments" => list_payments(
297 &inbound_payments.lock().unwrap(),
298 &outbound_payments.lock().unwrap(),
301 let channel_id_str = words.next();
302 if channel_id_str.is_none() {
303 println!("ERROR: closechannel requires a channel ID: `closechannel <channel_id> <peer_pubkey>`");
306 let channel_id_vec = hex_utils::to_vec(channel_id_str.unwrap());
307 if channel_id_vec.is_none() || channel_id_vec.as_ref().unwrap().len() != 32 {
308 println!("ERROR: couldn't parse channel_id");
311 let mut channel_id = [0; 32];
312 channel_id.copy_from_slice(&channel_id_vec.unwrap());
314 let peer_pubkey_str = words.next();
315 if peer_pubkey_str.is_none() {
316 println!("ERROR: closechannel requires a peer pubkey: `closechannel <channel_id> <peer_pubkey>`");
319 let peer_pubkey_vec = match hex_utils::to_vec(peer_pubkey_str.unwrap()) {
320 Some(peer_pubkey_vec) => peer_pubkey_vec,
322 println!("ERROR: couldn't parse peer_pubkey");
326 let peer_pubkey = match PublicKey::from_slice(&peer_pubkey_vec) {
327 Ok(peer_pubkey) => peer_pubkey,
329 println!("ERROR: couldn't parse peer_pubkey");
334 close_channel(channel_id, peer_pubkey, channel_manager.clone());
336 "forceclosechannel" => {
337 let channel_id_str = words.next();
338 if channel_id_str.is_none() {
339 println!("ERROR: forceclosechannel requires a channel ID: `forceclosechannel <channel_id> <peer_pubkey>`");
342 let channel_id_vec = hex_utils::to_vec(channel_id_str.unwrap());
343 if channel_id_vec.is_none() || channel_id_vec.as_ref().unwrap().len() != 32 {
344 println!("ERROR: couldn't parse channel_id");
347 let mut channel_id = [0; 32];
348 channel_id.copy_from_slice(&channel_id_vec.unwrap());
350 let peer_pubkey_str = words.next();
351 if peer_pubkey_str.is_none() {
352 println!("ERROR: forceclosechannel requires a peer pubkey: `forceclosechannel <channel_id> <peer_pubkey>`");
355 let peer_pubkey_vec = match hex_utils::to_vec(peer_pubkey_str.unwrap()) {
356 Some(peer_pubkey_vec) => peer_pubkey_vec,
358 println!("ERROR: couldn't parse peer_pubkey");
362 let peer_pubkey = match PublicKey::from_slice(&peer_pubkey_vec) {
363 Ok(peer_pubkey) => peer_pubkey,
365 println!("ERROR: couldn't parse peer_pubkey");
370 force_close_channel(channel_id, peer_pubkey, channel_manager.clone());
372 "nodeinfo" => node_info(&channel_manager, &peer_manager),
373 "listpeers" => list_peers(peer_manager.clone()),
375 const MSG_STARTPOS: usize = "signmessage".len() + 1;
376 if line.as_bytes().len() <= MSG_STARTPOS {
377 println!("ERROR: signmsg requires a message");
382 lightning::util::message_signing::sign(
383 &line.as_bytes()[MSG_STARTPOS..],
384 &keys_manager.get_node_secret_key()
388 "sendonionmessage" => {
389 let path_pks_str = words.next();
390 if path_pks_str.is_none() {
392 "ERROR: sendonionmessage requires at least one node id for the path"
396 let mut intermediate_nodes = Vec::new();
397 let mut errored = false;
398 for pk_str in path_pks_str.unwrap().split(",") {
399 let node_pubkey_vec = match hex_utils::to_vec(pk_str) {
400 Some(peer_pubkey_vec) => peer_pubkey_vec,
402 println!("ERROR: couldn't parse peer_pubkey");
407 let node_pubkey = match PublicKey::from_slice(&node_pubkey_vec) {
408 Ok(peer_pubkey) => peer_pubkey,
410 println!("ERROR: couldn't parse peer_pubkey");
415 intermediate_nodes.push(node_pubkey);
420 let tlv_type = match words.next().map(|ty_str| ty_str.parse()) {
421 Some(Ok(ty)) if ty >= 64 => ty,
423 println!("Need an integral message type above 64");
427 let data = match words.next().map(|s| hex_utils::to_vec(s)) {
428 Some(Some(data)) => data,
430 println!("Need a hex data string");
434 let destination = Destination::Node(intermediate_nodes.pop().unwrap());
435 let message_path = OnionMessagePath { intermediate_nodes, destination };
436 match onion_messenger.send_onion_message(
438 OnionMessageContents::Custom(UserOnionMessageContents { tlv_type, data }),
441 Ok(()) => println!("SUCCESS: forwarded onion message to first hop"),
442 Err(e) => println!("ERROR: failed to send onion message: {:?}", e),
445 "quit" | "exit" => break,
446 _ => println!("Unknown command. See `\"help\" for available commands."),
453 let package_version = env!("CARGO_PKG_VERSION");
454 let package_name = env!("CARGO_PKG_NAME");
455 println!("\nVERSION:");
456 println!(" {} v{}", package_name, package_version);
457 println!("\nUSAGE:");
458 println!(" Command [arguments]");
459 println!("\nCOMMANDS:");
460 println!(" help\tShows a list of commands.");
461 println!(" quit\tClose the application.");
462 println!("\n Channels:");
463 println!(" openchannel pubkey@host:port <amt_satoshis> [--public] [--with-anchors]");
464 println!(" closechannel <channel_id> <peer_pubkey>");
465 println!(" forceclosechannel <channel_id> <peer_pubkey>");
466 println!(" listchannels");
467 println!("\n Peers:");
468 println!(" connectpeer pubkey@host:port");
469 println!(" disconnectpeer <peer_pubkey>");
470 println!(" listpeers");
471 println!("\n Payments:");
472 println!(" sendpayment <invoice>");
473 println!(" keysend <dest_pubkey> <amt_msats>");
474 println!(" listpayments");
475 println!("\n Invoices:");
476 println!(" getinvoice <amt_msats> <expiry_secs>");
477 println!("\n Other:");
478 println!(" signmessage <message>");
480 " sendonionmessage <node_id_1,node_id_2,..,destination_node_id> <type> <hex_bytes>"
482 println!(" nodeinfo");
485 fn node_info(channel_manager: &Arc<ChannelManager>, peer_manager: &Arc<PeerManager>) {
487 println!("\t\t node_pubkey: {}", channel_manager.get_our_node_id());
488 let chans = channel_manager.list_channels();
489 println!("\t\t num_channels: {}", chans.len());
490 println!("\t\t num_usable_channels: {}", chans.iter().filter(|c| c.is_usable).count());
491 let local_balance_msat = chans.iter().map(|c| c.balance_msat).sum::<u64>();
492 println!("\t\t local_balance_msat: {}", local_balance_msat);
493 println!("\t\t num_peers: {}", peer_manager.get_peer_node_ids().len());
497 fn list_peers(peer_manager: Arc<PeerManager>) {
499 for (pubkey, _) in peer_manager.get_peer_node_ids() {
500 println!("\t\t pubkey: {}", pubkey);
505 fn list_channels(channel_manager: &Arc<ChannelManager>, network_graph: &Arc<NetworkGraph>) {
507 for chan_info in channel_manager.list_channels() {
510 println!("\t\tchannel_id: {},", hex_utils::hex_str(&chan_info.channel_id[..]));
511 if let Some(funding_txo) = chan_info.funding_txo {
512 println!("\t\tfunding_txid: {},", funding_txo.txid);
516 "\t\tpeer_pubkey: {},",
517 hex_utils::hex_str(&chan_info.counterparty.node_id.serialize())
519 if let Some(node_info) = network_graph
522 .get(&NodeId::from_pubkey(&chan_info.counterparty.node_id))
524 if let Some(announcement) = &node_info.announcement_info {
525 println!("\t\tpeer_alias: {}", announcement.alias);
529 if let Some(id) = chan_info.short_channel_id {
530 println!("\t\tshort_channel_id: {},", id);
532 println!("\t\tis_channel_ready: {},", chan_info.is_channel_ready);
533 println!("\t\tchannel_value_satoshis: {},", chan_info.channel_value_satoshis);
534 println!("\t\tlocal_balance_msat: {},", chan_info.balance_msat);
535 if chan_info.is_usable {
536 println!("\t\tavailable_balance_for_send_msat: {},", chan_info.outbound_capacity_msat);
537 println!("\t\tavailable_balance_for_recv_msat: {},", chan_info.inbound_capacity_msat);
539 println!("\t\tchannel_can_send_payments: {},", chan_info.is_usable);
540 println!("\t\tpublic: {},", chan_info.is_public);
546 fn list_payments(inbound_payments: &PaymentInfoStorage, outbound_payments: &PaymentInfoStorage) {
548 for (payment_hash, payment_info) in &inbound_payments.payments {
551 println!("\t\tamount_millisatoshis: {},", payment_info.amt_msat);
552 println!("\t\tpayment_hash: {},", hex_utils::hex_str(&payment_hash.0));
553 println!("\t\thtlc_direction: inbound,");
555 "\t\thtlc_status: {},",
556 match payment_info.status {
557 HTLCStatus::Pending => "pending",
558 HTLCStatus::Succeeded => "succeeded",
559 HTLCStatus::Failed => "failed",
566 for (payment_hash, payment_info) in &outbound_payments.payments {
569 println!("\t\tamount_millisatoshis: {},", payment_info.amt_msat);
570 println!("\t\tpayment_hash: {},", hex_utils::hex_str(&payment_hash.0));
571 println!("\t\thtlc_direction: outbound,");
573 "\t\thtlc_status: {},",
574 match payment_info.status {
575 HTLCStatus::Pending => "pending",
576 HTLCStatus::Succeeded => "succeeded",
577 HTLCStatus::Failed => "failed",
586 pub(crate) async fn connect_peer_if_necessary(
587 pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc<PeerManager>,
588 ) -> Result<(), ()> {
589 for (node_pubkey, _) in peer_manager.get_peer_node_ids() {
590 if node_pubkey == pubkey {
594 let res = do_connect_peer(pubkey, peer_addr, peer_manager).await;
596 println!("ERROR: failed to connect to peer");
601 pub(crate) async fn do_connect_peer(
602 pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc<PeerManager>,
603 ) -> Result<(), ()> {
604 match lightning_net_tokio::connect_outbound(Arc::clone(&peer_manager), pubkey, peer_addr).await
606 Some(connection_closed_future) => {
607 let mut connection_closed_future = Box::pin(connection_closed_future);
610 _ = &mut connection_closed_future => return Err(()),
611 _ = tokio::time::sleep(Duration::from_millis(10)) => {},
613 if peer_manager.get_peer_node_ids().iter().find(|(id, _)| *id == pubkey).is_some() {
622 fn do_disconnect_peer(
623 pubkey: bitcoin::secp256k1::PublicKey, peer_manager: Arc<PeerManager>,
624 channel_manager: Arc<ChannelManager>,
625 ) -> Result<(), ()> {
626 //check for open channels with peer
627 for channel in channel_manager.list_channels() {
628 if channel.counterparty.node_id == pubkey {
629 println!("Error: Node has an active channel with this peer, close any channels first");
634 //check the pubkey matches a valid connected peer
635 let peers = peer_manager.get_peer_node_ids();
636 if !peers.iter().any(|(pk, _)| &pubkey == pk) {
637 println!("Error: Could not find peer {}", pubkey);
641 peer_manager.disconnect_by_node_id(pubkey);
646 peer_pubkey: PublicKey, channel_amt_sat: u64, announced_channel: bool, with_anchors: bool,
647 channel_manager: Arc<ChannelManager>,
648 ) -> Result<(), ()> {
649 let config = UserConfig {
650 channel_handshake_limits: ChannelHandshakeLimits {
651 // lnd's max to_self_delay is 2016, so we want to be compatible.
652 their_to_self_delay: 2016,
655 channel_handshake_config: ChannelHandshakeConfig {
657 negotiate_anchors_zero_fee_htlc_tx: with_anchors,
663 match channel_manager.create_channel(peer_pubkey, channel_amt_sat, 0, 0, Some(config)) {
665 println!("EVENT: initiated channel with peer {}. ", peer_pubkey);
669 println!("ERROR: failed to open channel: {:?}", e);
676 channel_manager: &ChannelManager, invoice: &Bolt11Invoice,
677 outbound_payments: &mut PaymentInfoStorage, persister: Arc<FilesystemPersister>,
679 let payment_hash = PaymentHash((*invoice.payment_hash()).into_inner());
680 let payment_secret = Some(*invoice.payment_secret());
681 outbound_payments.payments.insert(
685 secret: payment_secret,
686 status: HTLCStatus::Pending,
687 amt_msat: MillisatAmount(invoice.amount_milli_satoshis()),
690 persister.persist(OUTBOUND_PAYMENTS_FNAME, &*outbound_payments).unwrap();
691 match pay_invoice(invoice, Retry::Timeout(Duration::from_secs(10)), channel_manager) {
693 let payee_pubkey = invoice.recover_payee_pub_key();
694 let amt_msat = invoice.amount_milli_satoshis().unwrap();
695 println!("EVENT: initiated sending {} msats to {}", amt_msat, payee_pubkey);
699 println!("ERROR: failed to send payment: {:?}", e);
701 outbound_payments.payments.get_mut(&payment_hash).unwrap().status = HTLCStatus::Failed;
702 persister.persist(OUTBOUND_PAYMENTS_FNAME, &*outbound_payments).unwrap();
707 fn keysend<E: EntropySource>(
708 channel_manager: &ChannelManager, payee_pubkey: PublicKey, amt_msat: u64, entropy_source: &E,
709 outbound_payments: &mut PaymentInfoStorage, persister: Arc<FilesystemPersister>,
711 let payment_preimage = PaymentPreimage(entropy_source.get_secure_random_bytes());
712 let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0[..]).into_inner());
714 let route_params = RouteParameters {
715 payment_params: PaymentParameters::for_keysend(payee_pubkey, 40, false),
716 final_value_msat: amt_msat,
718 outbound_payments.payments.insert(
723 status: HTLCStatus::Pending,
724 amt_msat: MillisatAmount(Some(amt_msat)),
727 persister.persist(OUTBOUND_PAYMENTS_FNAME, &*outbound_payments).unwrap();
728 match channel_manager.send_spontaneous_payment_with_retry(
729 Some(payment_preimage),
730 RecipientOnionFields::spontaneous_empty(),
731 PaymentId(payment_hash.0),
733 Retry::Timeout(Duration::from_secs(10)),
735 Ok(_payment_hash) => {
736 println!("EVENT: initiated sending {} msats to {}", amt_msat, payee_pubkey);
740 println!("ERROR: failed to send payment: {:?}", e);
742 outbound_payments.payments.get_mut(&payment_hash).unwrap().status = HTLCStatus::Failed;
743 persister.persist(OUTBOUND_PAYMENTS_FNAME, &*outbound_payments).unwrap();
749 amt_msat: u64, inbound_payments: &mut PaymentInfoStorage, channel_manager: &ChannelManager,
750 keys_manager: Arc<KeysManager>, network: Network, expiry_secs: u32,
751 logger: Arc<disk::FilesystemLogger>,
753 let currency = match network {
754 Network::Bitcoin => Currency::Bitcoin,
755 Network::Testnet => Currency::BitcoinTestnet,
756 Network::Regtest => Currency::Regtest,
757 Network::Signet => Currency::Signet,
759 let invoice = match utils::create_invoice_from_channelmanager(
765 "ldk-tutorial-node".to_string(),
770 println!("SUCCESS: generated invoice: {}", inv);
774 println!("ERROR: failed to create invoice: {:?}", e);
779 let payment_hash = PaymentHash(invoice.payment_hash().clone().into_inner());
780 inbound_payments.payments.insert(
784 secret: Some(invoice.payment_secret().clone()),
785 status: HTLCStatus::Pending,
786 amt_msat: MillisatAmount(Some(amt_msat)),
792 channel_id: [u8; 32], counterparty_node_id: PublicKey, channel_manager: Arc<ChannelManager>,
794 match channel_manager.close_channel(&channel_id, &counterparty_node_id) {
795 Ok(()) => println!("EVENT: initiating channel close"),
796 Err(e) => println!("ERROR: failed to close channel: {:?}", e),
800 fn force_close_channel(
801 channel_id: [u8; 32], counterparty_node_id: PublicKey, channel_manager: Arc<ChannelManager>,
803 match channel_manager.force_close_broadcasting_latest_txn(&channel_id, &counterparty_node_id) {
804 Ok(()) => println!("EVENT: initiating channel force-close"),
805 Err(e) => println!("ERROR: failed to force-close channel: {:?}", e),
809 pub(crate) fn parse_peer_info(
810 peer_pubkey_and_ip_addr: String,
811 ) -> Result<(PublicKey, SocketAddr), std::io::Error> {
812 let mut pubkey_and_addr = peer_pubkey_and_ip_addr.split("@");
813 let pubkey = pubkey_and_addr.next();
814 let peer_addr_str = pubkey_and_addr.next();
815 if peer_addr_str.is_none() {
816 return Err(std::io::Error::new(
817 std::io::ErrorKind::Other,
818 "ERROR: incorrectly formatted peer info. Should be formatted as: `pubkey@host:port`",
822 let peer_addr = peer_addr_str.unwrap().to_socket_addrs().map(|mut r| r.next());
823 if peer_addr.is_err() || peer_addr.as_ref().unwrap().is_none() {
824 return Err(std::io::Error::new(
825 std::io::ErrorKind::Other,
826 "ERROR: couldn't parse pubkey@host:port into a socket address",
830 let pubkey = hex_utils::to_compressed_pubkey(pubkey.unwrap());
831 if pubkey.is_none() {
832 return Err(std::io::Error::new(
833 std::io::ErrorKind::Other,
834 "ERROR: unable to parse given pubkey for node",
838 Ok((pubkey.unwrap(), peer_addr.unwrap().unwrap()))