4 ChannelManager, HTLCStatus, InvoicePayer, MillisatAmount, NetworkGraph, OnionMessenger,
5 PaymentInfo, 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::chain::keysinterface::{KeysInterface, KeysManager, Recipient};
12 use lightning::ln::msgs::{DecodeError, NetAddress};
13 use lightning::ln::{PaymentHash, PaymentPreimage};
14 use lightning::onion_message::{CustomOnionMessageContents, Destination, OnionMessageContents};
15 use lightning::routing::gossip::NodeId;
16 use lightning::util::config::{ChannelHandshakeConfig, ChannelHandshakeLimits, UserConfig};
17 use lightning::util::events::EventHandler;
18 use lightning::util::ser::{MaybeReadableArgs, Writeable, Writer};
19 use lightning_invoice::payment::PaymentError;
20 use lightning_invoice::{utils, Currency, Invoice};
24 use std::net::{SocketAddr, ToSocketAddrs};
27 use std::str::FromStr;
29 use std::time::Duration;
31 pub(crate) struct LdkUserInfo {
32 pub(crate) bitcoind_rpc_username: String,
33 pub(crate) bitcoind_rpc_password: String,
34 pub(crate) bitcoind_rpc_port: u16,
35 pub(crate) bitcoind_rpc_host: String,
36 pub(crate) ldk_storage_dir_path: String,
37 pub(crate) ldk_peer_listening_port: u16,
38 pub(crate) ldk_announced_listen_addr: Vec<NetAddress>,
39 pub(crate) ldk_announced_node_name: [u8; 32],
40 pub(crate) network: Network,
43 struct UserOnionMessageContents {
48 impl CustomOnionMessageContents for UserOnionMessageContents {
49 fn tlv_type(&self) -> u64 {
53 impl MaybeReadableArgs<u64> for UserOnionMessageContents {
54 fn read<R: std::io::Read>(_r: &mut R, _args: u64) -> Result<Option<Self>, DecodeError> {
55 // UserOnionMessageContents is only ever passed to `send_onion_message`, never to an
56 // `OnionMessageHandler`, thus it does not need to implement the read side here.
60 impl Writeable for UserOnionMessageContents {
61 fn write<W: Writer>(&self, w: &mut W) -> Result<(), std::io::Error> {
62 w.write_all(&self.data)
66 pub(crate) async fn poll_for_user_input<E: EventHandler>(
67 invoice_payer: Arc<InvoicePayer<E>>, peer_manager: Arc<PeerManager>,
68 channel_manager: Arc<ChannelManager>, keys_manager: Arc<KeysManager>,
69 network_graph: Arc<NetworkGraph>, onion_messenger: Arc<OnionMessenger>,
70 inbound_payments: PaymentInfoStorage, outbound_payments: PaymentInfoStorage,
71 ldk_data_dir: String, network: Network, logger: Arc<disk::FilesystemLogger>,
74 "LDK startup successful. Enter \"help\" to view available commands. Press Ctrl-D to quit."
76 println!("LDK logs are available at <your-supplied-ldk-data-dir-path>/.ldk/logs");
77 println!("Local Node ID is {}.", channel_manager.get_our_node_id());
80 io::stdout().flush().unwrap(); // Without flushing, the `>` doesn't print
81 let mut line = String::new();
82 if let Err(e) = io::stdin().read_line(&mut line) {
83 break println!("ERROR: {}", e);
87 // We hit EOF / Ctrl-D
91 let mut words = line.split_whitespace();
92 if let Some(word) = words.next() {
96 let peer_pubkey_and_ip_addr = words.next();
97 let channel_value_sat = words.next();
98 if peer_pubkey_and_ip_addr.is_none() || channel_value_sat.is_none() {
99 println!("ERROR: openchannel has 2 required arguments: `openchannel pubkey@host:port channel_amt_satoshis` [--public]");
102 let peer_pubkey_and_ip_addr = peer_pubkey_and_ip_addr.unwrap();
103 let (pubkey, peer_addr) =
104 match parse_peer_info(peer_pubkey_and_ip_addr.to_string()) {
107 println!("{:?}", e.into_inner().unwrap());
112 let chan_amt_sat: Result<u64, _> = channel_value_sat.unwrap().parse();
113 if chan_amt_sat.is_err() {
114 println!("ERROR: channel amount must be a number");
118 if connect_peer_if_necessary(pubkey, peer_addr, peer_manager.clone())
125 let announce_channel = match words.next() {
126 Some("--public") | Some("--public=true") => true,
127 Some("--public=false") => false,
129 println!("ERROR: invalid `--public` command format. Valid formats: `--public`, `--public=true` `--public=false`");
137 chan_amt_sat.unwrap(),
139 channel_manager.clone(),
143 let peer_data_path = format!("{}/channel_peer_data", ldk_data_dir.clone());
144 let _ = disk::persist_channel_peer(
145 Path::new(&peer_data_path),
146 peer_pubkey_and_ip_addr,
151 let invoice_str = words.next();
152 if invoice_str.is_none() {
153 println!("ERROR: sendpayment requires an invoice: `sendpayment <invoice>`");
157 let invoice = match Invoice::from_str(invoice_str.unwrap()) {
160 println!("ERROR: invalid invoice: {:?}", e);
165 send_payment(&*invoice_payer, &invoice, outbound_payments.clone());
168 let dest_pubkey = match words.next() {
169 Some(dest) => match hex_utils::to_compressed_pubkey(dest) {
172 println!("ERROR: couldn't parse destination pubkey");
177 println!("ERROR: keysend requires a destination pubkey: `keysend <dest_pubkey> <amt_msat>`");
181 let amt_msat_str = match words.next() {
184 println!("ERROR: keysend requires an amount in millisatoshis: `keysend <dest_pubkey> <amt_msat>`");
188 let amt_msat: u64 = match amt_msat_str.parse() {
191 println!("ERROR: couldn't parse amount_msat: {}", e);
200 outbound_payments.clone(),
204 let amt_str = words.next();
205 if amt_str.is_none() {
206 println!("ERROR: getinvoice requires an amount in millisatoshis");
210 let amt_msat: Result<u64, _> = amt_str.unwrap().parse();
211 if amt_msat.is_err() {
212 println!("ERROR: getinvoice provided payment amount was not a number");
216 let expiry_secs_str = words.next();
217 if expiry_secs_str.is_none() {
218 println!("ERROR: getinvoice requires an expiry in seconds");
222 let expiry_secs: Result<u32, _> = expiry_secs_str.unwrap().parse();
223 if expiry_secs.is_err() {
224 println!("ERROR: getinvoice provided expiry was not a number");
230 Arc::clone(&inbound_payments),
232 Arc::clone(&keys_manager),
234 expiry_secs.unwrap(),
239 let peer_pubkey_and_ip_addr = words.next();
240 if peer_pubkey_and_ip_addr.is_none() {
241 println!("ERROR: connectpeer requires peer connection info: `connectpeer pubkey@host:port`");
244 let (pubkey, peer_addr) =
245 match parse_peer_info(peer_pubkey_and_ip_addr.unwrap().to_string()) {
248 println!("{:?}", e.into_inner().unwrap());
252 if connect_peer_if_necessary(pubkey, peer_addr, peer_manager.clone())
256 println!("SUCCESS: connected to peer {}", pubkey);
259 "disconnectpeer" => {
260 let peer_pubkey = words.next();
261 if peer_pubkey.is_none() {
262 println!("ERROR: disconnectpeer requires peer public key: `disconnectpeer <peer_pubkey>`");
267 match bitcoin::secp256k1::PublicKey::from_str(peer_pubkey.unwrap()) {
268 Ok(pubkey) => pubkey,
270 println!("ERROR: {}", e.to_string());
275 if do_disconnect_peer(
277 peer_manager.clone(),
278 channel_manager.clone(),
282 println!("SUCCESS: disconnected from peer {}", peer_pubkey);
285 "listchannels" => list_channels(&channel_manager, &network_graph),
287 list_payments(inbound_payments.clone(), outbound_payments.clone())
290 let channel_id_str = words.next();
291 if channel_id_str.is_none() {
292 println!("ERROR: closechannel requires a channel ID: `closechannel <channel_id> <peer_pubkey>`");
295 let channel_id_vec = hex_utils::to_vec(channel_id_str.unwrap());
296 if channel_id_vec.is_none() || channel_id_vec.as_ref().unwrap().len() != 32 {
297 println!("ERROR: couldn't parse channel_id");
300 let mut channel_id = [0; 32];
301 channel_id.copy_from_slice(&channel_id_vec.unwrap());
303 let peer_pubkey_str = words.next();
304 if peer_pubkey_str.is_none() {
305 println!("ERROR: closechannel requires a peer pubkey: `closechannel <channel_id> <peer_pubkey>`");
308 let peer_pubkey_vec = match hex_utils::to_vec(peer_pubkey_str.unwrap()) {
309 Some(peer_pubkey_vec) => peer_pubkey_vec,
311 println!("ERROR: couldn't parse peer_pubkey");
315 let peer_pubkey = match PublicKey::from_slice(&peer_pubkey_vec) {
316 Ok(peer_pubkey) => peer_pubkey,
318 println!("ERROR: couldn't parse peer_pubkey");
323 close_channel(channel_id, peer_pubkey, channel_manager.clone());
325 "forceclosechannel" => {
326 let channel_id_str = words.next();
327 if channel_id_str.is_none() {
328 println!("ERROR: forceclosechannel requires a channel ID: `forceclosechannel <channel_id> <peer_pubkey>`");
331 let channel_id_vec = hex_utils::to_vec(channel_id_str.unwrap());
332 if channel_id_vec.is_none() || channel_id_vec.as_ref().unwrap().len() != 32 {
333 println!("ERROR: couldn't parse channel_id");
336 let mut channel_id = [0; 32];
337 channel_id.copy_from_slice(&channel_id_vec.unwrap());
339 let peer_pubkey_str = words.next();
340 if peer_pubkey_str.is_none() {
341 println!("ERROR: forceclosechannel requires a peer pubkey: `forceclosechannel <channel_id> <peer_pubkey>`");
344 let peer_pubkey_vec = match hex_utils::to_vec(peer_pubkey_str.unwrap()) {
345 Some(peer_pubkey_vec) => peer_pubkey_vec,
347 println!("ERROR: couldn't parse peer_pubkey");
351 let peer_pubkey = match PublicKey::from_slice(&peer_pubkey_vec) {
352 Ok(peer_pubkey) => peer_pubkey,
354 println!("ERROR: couldn't parse peer_pubkey");
359 force_close_channel(channel_id, peer_pubkey, channel_manager.clone());
361 "nodeinfo" => node_info(&channel_manager, &peer_manager),
362 "listpeers" => list_peers(peer_manager.clone()),
364 const MSG_STARTPOS: usize = "signmessage".len() + 1;
365 if line.as_bytes().len() <= MSG_STARTPOS {
366 println!("ERROR: signmsg requires a message");
371 lightning::util::message_signing::sign(
372 &line.as_bytes()[MSG_STARTPOS..],
373 &keys_manager.get_node_secret(Recipient::Node).unwrap()
377 "sendonionmessage" => {
378 let path_pks_str = words.next();
379 if path_pks_str.is_none() {
381 "ERROR: sendonionmessage requires at least one node id for the path"
385 let mut node_pks = Vec::new();
386 let mut errored = false;
387 for pk_str in path_pks_str.unwrap().split(",") {
388 let node_pubkey_vec = match hex_utils::to_vec(pk_str) {
389 Some(peer_pubkey_vec) => peer_pubkey_vec,
391 println!("ERROR: couldn't parse peer_pubkey");
396 let node_pubkey = match PublicKey::from_slice(&node_pubkey_vec) {
397 Ok(peer_pubkey) => peer_pubkey,
399 println!("ERROR: couldn't parse peer_pubkey");
404 node_pks.push(node_pubkey);
409 let tlv_type = match words.next().map(|ty_str| ty_str.parse()) {
410 Some(Ok(ty)) if ty >= 64 => ty,
412 println!("Need an integral message type above 64");
416 let data = match words.next().map(|s| hex_utils::to_vec(s)) {
417 Some(Some(data)) => data,
419 println!("Need a hex data string");
423 let destination_pk = node_pks.pop().unwrap();
424 match onion_messenger.send_onion_message(
426 Destination::Node(destination_pk),
427 OnionMessageContents::Custom(UserOnionMessageContents { tlv_type, data }),
430 Ok(()) => println!("SUCCESS: forwarded onion message to first hop"),
431 Err(e) => println!("ERROR: failed to send onion message: {:?}", e),
434 "quit" | "exit" => break,
435 _ => println!("Unknown command. See `\"help\" for available commands."),
442 let package_version = env!("CARGO_PKG_VERSION");
443 let package_name = env!("CARGO_PKG_NAME");
444 println!("\nVERSION:");
445 println!(" {} v{}", package_name, package_version);
446 println!("\nUSAGE:");
447 println!(" Command [arguments]");
448 println!("\nCOMMANDS:");
449 println!(" help\tShows a list of commands.");
450 println!(" quit\tClose the application.");
451 println!("\n Channels:");
452 println!(" openchannel pubkey@host:port <amt_satoshis> [--public]");
453 println!(" closechannel <channel_id> <peer_pubkey>");
454 println!(" forceclosechannel <channel_id> <peer_pubkey>");
455 println!(" listchannels");
456 println!("\n Peers:");
457 println!(" connectpeer pubkey@host:port");
458 println!(" disconnectpeer <peer_pubkey>");
459 println!(" listpeers");
460 println!("\n Payments:");
461 println!(" sendpayment <invoice>");
462 println!(" keysend <dest_pubkey> <amt_msats>");
463 println!(" listpayments");
464 println!("\n Invoices:");
465 println!(" getinvoice <amt_msats> <expiry_secs>");
466 println!("\n Other:");
467 println!(" signmessage <message>");
469 " sendonionmessage <node_id_1,node_id_2,..,destination_node_id> <type> <hex_bytes>"
471 println!(" nodeinfo");
474 fn node_info(channel_manager: &Arc<ChannelManager>, peer_manager: &Arc<PeerManager>) {
476 println!("\t\t node_pubkey: {}", channel_manager.get_our_node_id());
477 let chans = channel_manager.list_channels();
478 println!("\t\t num_channels: {}", chans.len());
479 println!("\t\t num_usable_channels: {}", chans.iter().filter(|c| c.is_usable).count());
480 let local_balance_msat = chans.iter().map(|c| c.balance_msat).sum::<u64>();
481 println!("\t\t local_balance_msat: {}", local_balance_msat);
482 println!("\t\t num_peers: {}", peer_manager.get_peer_node_ids().len());
486 fn list_peers(peer_manager: Arc<PeerManager>) {
488 for pubkey in peer_manager.get_peer_node_ids() {
489 println!("\t\t pubkey: {}", pubkey);
494 fn list_channels(channel_manager: &Arc<ChannelManager>, network_graph: &Arc<NetworkGraph>) {
496 for chan_info in channel_manager.list_channels() {
499 println!("\t\tchannel_id: {},", hex_utils::hex_str(&chan_info.channel_id[..]));
500 if let Some(funding_txo) = chan_info.funding_txo {
501 println!("\t\tfunding_txid: {},", funding_txo.txid);
505 "\t\tpeer_pubkey: {},",
506 hex_utils::hex_str(&chan_info.counterparty.node_id.serialize())
508 if let Some(node_info) = network_graph
511 .get(&NodeId::from_pubkey(&chan_info.counterparty.node_id))
513 if let Some(announcement) = &node_info.announcement_info {
514 println!("\t\tpeer_alias: {}", announcement.alias);
518 if let Some(id) = chan_info.short_channel_id {
519 println!("\t\tshort_channel_id: {},", id);
521 println!("\t\tis_channel_ready: {},", chan_info.is_channel_ready);
522 println!("\t\tchannel_value_satoshis: {},", chan_info.channel_value_satoshis);
523 println!("\t\tlocal_balance_msat: {},", chan_info.balance_msat);
524 if chan_info.is_usable {
525 println!("\t\tavailable_balance_for_send_msat: {},", chan_info.outbound_capacity_msat);
526 println!("\t\tavailable_balance_for_recv_msat: {},", chan_info.inbound_capacity_msat);
528 println!("\t\tchannel_can_send_payments: {},", chan_info.is_usable);
529 println!("\t\tpublic: {},", chan_info.is_public);
535 fn list_payments(inbound_payments: PaymentInfoStorage, outbound_payments: PaymentInfoStorage) {
536 let inbound = inbound_payments.lock().unwrap();
537 let outbound = outbound_payments.lock().unwrap();
539 for (payment_hash, payment_info) in inbound.deref() {
542 println!("\t\tamount_millisatoshis: {},", payment_info.amt_msat);
543 println!("\t\tpayment_hash: {},", hex_utils::hex_str(&payment_hash.0));
544 println!("\t\thtlc_direction: inbound,");
546 "\t\thtlc_status: {},",
547 match payment_info.status {
548 HTLCStatus::Pending => "pending",
549 HTLCStatus::Succeeded => "succeeded",
550 HTLCStatus::Failed => "failed",
557 for (payment_hash, payment_info) in outbound.deref() {
560 println!("\t\tamount_millisatoshis: {},", payment_info.amt_msat);
561 println!("\t\tpayment_hash: {},", hex_utils::hex_str(&payment_hash.0));
562 println!("\t\thtlc_direction: outbound,");
564 "\t\thtlc_status: {},",
565 match payment_info.status {
566 HTLCStatus::Pending => "pending",
567 HTLCStatus::Succeeded => "succeeded",
568 HTLCStatus::Failed => "failed",
577 pub(crate) async fn connect_peer_if_necessary(
578 pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc<PeerManager>,
579 ) -> Result<(), ()> {
580 for node_pubkey in peer_manager.get_peer_node_ids() {
581 if node_pubkey == pubkey {
585 let res = do_connect_peer(pubkey, peer_addr, peer_manager).await;
587 println!("ERROR: failed to connect to peer");
592 pub(crate) async fn do_connect_peer(
593 pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc<PeerManager>,
594 ) -> Result<(), ()> {
595 match lightning_net_tokio::connect_outbound(Arc::clone(&peer_manager), pubkey, peer_addr).await
597 Some(connection_closed_future) => {
598 let mut connection_closed_future = Box::pin(connection_closed_future);
600 match futures::poll!(&mut connection_closed_future) {
601 std::task::Poll::Ready(_) => {
604 std::task::Poll::Pending => {}
606 // Avoid blocking the tokio context by sleeping a bit
607 match peer_manager.get_peer_node_ids().iter().find(|id| **id == pubkey) {
608 Some(_) => return Ok(()),
609 None => tokio::time::sleep(Duration::from_millis(10)).await,
617 fn do_disconnect_peer(
618 pubkey: bitcoin::secp256k1::PublicKey, peer_manager: Arc<PeerManager>,
619 channel_manager: Arc<ChannelManager>,
620 ) -> Result<(), ()> {
621 //check for open channels with peer
622 for channel in channel_manager.list_channels() {
623 if channel.counterparty.node_id == pubkey {
624 println!("Error: Node has an active channel with this peer, close any channels first");
629 //check the pubkey matches a valid connected peer
630 let peers = peer_manager.get_peer_node_ids();
631 if !peers.contains(&pubkey) {
632 println!("Error: Could not find peer {}", pubkey);
636 peer_manager.disconnect_by_node_id(pubkey, false);
641 peer_pubkey: PublicKey, channel_amt_sat: u64, announced_channel: bool,
642 channel_manager: Arc<ChannelManager>,
643 ) -> Result<(), ()> {
644 let config = UserConfig {
645 channel_handshake_limits: ChannelHandshakeLimits {
646 // lnd's max to_self_delay is 2016, so we want to be compatible.
647 their_to_self_delay: 2016,
650 channel_handshake_config: ChannelHandshakeConfig {
657 match channel_manager.create_channel(peer_pubkey, channel_amt_sat, 0, 0, Some(config)) {
659 println!("EVENT: initiated channel with peer {}. ", peer_pubkey);
663 println!("ERROR: failed to open channel: {:?}", e);
669 fn send_payment<E: EventHandler>(
670 invoice_payer: &InvoicePayer<E>, invoice: &Invoice, payment_storage: PaymentInfoStorage,
672 let status = match invoice_payer.pay_invoice(invoice) {
674 let payee_pubkey = invoice.recover_payee_pub_key();
675 let amt_msat = invoice.amount_milli_satoshis().unwrap();
676 println!("EVENT: initiated sending {} msats to {}", amt_msat, payee_pubkey);
680 Err(PaymentError::Invoice(e)) => {
681 println!("ERROR: invalid invoice: {}", e);
685 Err(PaymentError::Routing(e)) => {
686 println!("ERROR: failed to find route: {}", e.err);
690 Err(PaymentError::Sending(e)) => {
691 println!("ERROR: failed to send payment: {:?}", e);
696 let payment_hash = PaymentHash(invoice.payment_hash().clone().into_inner());
697 let payment_secret = Some(invoice.payment_secret().clone());
699 let mut payments = payment_storage.lock().unwrap();
704 secret: payment_secret,
706 amt_msat: MillisatAmount(invoice.amount_milli_satoshis()),
711 fn keysend<E: EventHandler, K: KeysInterface>(
712 invoice_payer: &InvoicePayer<E>, payee_pubkey: PublicKey, amt_msat: u64, keys: &K,
713 payment_storage: PaymentInfoStorage,
715 let payment_preimage = keys.get_secure_random_bytes();
717 let status = match invoice_payer.pay_pubkey(
719 PaymentPreimage(payment_preimage),
724 println!("EVENT: initiated sending {} msats to {}", amt_msat, payee_pubkey);
728 Err(PaymentError::Invoice(e)) => {
729 println!("ERROR: invalid payee: {}", e);
733 Err(PaymentError::Routing(e)) => {
734 println!("ERROR: failed to find route: {}", e.err);
738 Err(PaymentError::Sending(e)) => {
739 println!("ERROR: failed to send payment: {:?}", e);
745 let mut payments = payment_storage.lock().unwrap();
747 PaymentHash(Sha256::hash(&payment_preimage).into_inner()),
752 amt_msat: MillisatAmount(Some(amt_msat)),
758 amt_msat: u64, payment_storage: PaymentInfoStorage, channel_manager: &ChannelManager,
759 keys_manager: Arc<KeysManager>, network: Network, expiry_secs: u32,
760 logger: Arc<disk::FilesystemLogger>,
762 let mut payments = payment_storage.lock().unwrap();
763 let currency = match network {
764 Network::Bitcoin => Currency::Bitcoin,
765 Network::Testnet => Currency::BitcoinTestnet,
766 Network::Regtest => Currency::Regtest,
767 Network::Signet => Currency::Signet,
769 let invoice = match utils::create_invoice_from_channelmanager(
775 "ldk-tutorial-node".to_string(),
779 println!("SUCCESS: generated invoice: {}", inv);
783 println!("ERROR: failed to create invoice: {:?}", e);
788 let payment_hash = PaymentHash(invoice.payment_hash().clone().into_inner());
793 secret: Some(invoice.payment_secret().clone()),
794 status: HTLCStatus::Pending,
795 amt_msat: MillisatAmount(Some(amt_msat)),
801 channel_id: [u8; 32], counterparty_node_id: PublicKey, channel_manager: Arc<ChannelManager>,
803 match channel_manager.close_channel(&channel_id, &counterparty_node_id) {
804 Ok(()) => println!("EVENT: initiating channel close"),
805 Err(e) => println!("ERROR: failed to close channel: {:?}", e),
809 fn force_close_channel(
810 channel_id: [u8; 32], counterparty_node_id: PublicKey, channel_manager: Arc<ChannelManager>,
812 match channel_manager.force_close_broadcasting_latest_txn(&channel_id, &counterparty_node_id) {
813 Ok(()) => println!("EVENT: initiating channel force-close"),
814 Err(e) => println!("ERROR: failed to force-close channel: {:?}", e),
818 pub(crate) fn parse_peer_info(
819 peer_pubkey_and_ip_addr: String,
820 ) -> Result<(PublicKey, SocketAddr), std::io::Error> {
821 let mut pubkey_and_addr = peer_pubkey_and_ip_addr.split("@");
822 let pubkey = pubkey_and_addr.next();
823 let peer_addr_str = pubkey_and_addr.next();
824 if peer_addr_str.is_none() {
825 return Err(std::io::Error::new(
826 std::io::ErrorKind::Other,
827 "ERROR: incorrectly formatted peer info. Should be formatted as: `pubkey@host:port`",
831 let peer_addr = peer_addr_str.unwrap().to_socket_addrs().map(|mut r| r.next());
832 if peer_addr.is_err() || peer_addr.as_ref().unwrap().is_none() {
833 return Err(std::io::Error::new(
834 std::io::ErrorKind::Other,
835 "ERROR: couldn't parse pubkey@host:port into a socket address",
839 let pubkey = hex_utils::to_compressed_pubkey(pubkey.unwrap());
840 if pubkey.is_none() {
841 return Err(std::io::Error::new(
842 std::io::ErrorKind::Other,
843 "ERROR: unable to parse given pubkey for node",
847 Ok((pubkey.unwrap(), peer_addr.unwrap().unwrap()))