1 use crate::disk::{self, INBOUND_PAYMENTS_FNAME, OUTBOUND_PAYMENTS_FNAME};
4 ChannelManager, HTLCStatus, InboundPaymentInfoStorage, MillisatAmount, NetworkGraph,
5 OnionMessenger, OutboundPaymentInfoStorage, PaymentInfo, 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::SocketAddress;
13 use lightning::ln::{ChannelId, PaymentHash, PaymentPreimage};
14 use lightning::onion_message::OnionMessagePath;
15 use lightning::onion_message::{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::KVStore;
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::fs_store::FilesystemStore;
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<SocketAddress>,
42 pub(crate) ldk_announced_node_name: [u8; 32],
43 pub(crate) network: Network,
46 struct UserOnionMessageContents {
51 impl OnionMessageContents 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) 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<InboundPaymentInfoStorage>>,
67 outbound_payments: Arc<Mutex<OutboundPaymentInfoStorage>>, ldk_data_dir: String,
68 network: Network, logger: Arc<disk::FilesystemLogger>, fs_store: Arc<FilesystemStore>,
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 tokio::runtime::Handle::current()
116 .block_on(connect_peer_if_necessary(
119 peer_manager.clone(),
126 let (mut announce_channel, mut with_anchors) = (false, false);
127 while let Some(word) = words.next() {
129 "--public" | "--public=true" => announce_channel = true,
130 "--public=false" => announce_channel = false,
131 "--with-anchors" | "--with-anchors=true" => with_anchors = true,
132 "--with-anchors=false" => with_anchors = false,
134 println!("ERROR: invalid boolean flag format. Valid formats: `--option`, `--option=true` `--option=false`");
142 chan_amt_sat.unwrap(),
145 channel_manager.clone(),
149 let peer_data_path = format!("{}/channel_peer_data", ldk_data_dir.clone());
150 let _ = disk::persist_channel_peer(
151 Path::new(&peer_data_path),
152 peer_pubkey_and_ip_addr,
157 let invoice_str = words.next();
158 if invoice_str.is_none() {
159 println!("ERROR: sendpayment requires an invoice: `sendpayment <invoice>`");
163 let invoice = match Bolt11Invoice::from_str(invoice_str.unwrap()) {
166 println!("ERROR: invalid invoice: {:?}", e);
174 &mut outbound_payments.lock().unwrap(),
175 Arc::clone(&fs_store),
179 let dest_pubkey = match words.next() {
180 Some(dest) => match hex_utils::to_compressed_pubkey(dest) {
183 println!("ERROR: couldn't parse destination pubkey");
188 println!("ERROR: keysend requires a destination pubkey: `keysend <dest_pubkey> <amt_msat>`");
192 let amt_msat_str = match words.next() {
195 println!("ERROR: keysend requires an amount in millisatoshis: `keysend <dest_pubkey> <amt_msat>`");
199 let amt_msat: u64 = match amt_msat_str.parse() {
202 println!("ERROR: couldn't parse amount_msat: {}", e);
211 &mut outbound_payments.lock().unwrap(),
212 Arc::clone(&fs_store),
216 let amt_str = words.next();
217 if amt_str.is_none() {
218 println!("ERROR: getinvoice requires an amount in millisatoshis");
222 let amt_msat: Result<u64, _> = amt_str.unwrap().parse();
223 if amt_msat.is_err() {
224 println!("ERROR: getinvoice provided payment amount was not a number");
228 let expiry_secs_str = words.next();
229 if expiry_secs_str.is_none() {
230 println!("ERROR: getinvoice requires an expiry in seconds");
234 let expiry_secs: Result<u32, _> = expiry_secs_str.unwrap().parse();
235 if expiry_secs.is_err() {
236 println!("ERROR: getinvoice provided expiry was not a number");
240 let mut inbound_payments = inbound_payments.lock().unwrap();
243 &mut inbound_payments,
245 Arc::clone(&keys_manager),
247 expiry_secs.unwrap(),
251 .write("", "", INBOUND_PAYMENTS_FNAME, &inbound_payments.encode())
255 let peer_pubkey_and_ip_addr = words.next();
256 if peer_pubkey_and_ip_addr.is_none() {
257 println!("ERROR: connectpeer requires peer connection info: `connectpeer pubkey@host:port`");
260 let (pubkey, peer_addr) =
261 match parse_peer_info(peer_pubkey_and_ip_addr.unwrap().to_string()) {
264 println!("{:?}", e.into_inner().unwrap());
268 if tokio::runtime::Handle::current()
269 .block_on(connect_peer_if_necessary(
272 peer_manager.clone(),
276 println!("SUCCESS: connected to peer {}", pubkey);
279 "disconnectpeer" => {
280 let peer_pubkey = words.next();
281 if peer_pubkey.is_none() {
282 println!("ERROR: disconnectpeer requires peer public key: `disconnectpeer <peer_pubkey>`");
287 match bitcoin::secp256k1::PublicKey::from_str(peer_pubkey.unwrap()) {
288 Ok(pubkey) => pubkey,
290 println!("ERROR: {}", e.to_string());
295 if do_disconnect_peer(
297 peer_manager.clone(),
298 channel_manager.clone(),
302 println!("SUCCESS: disconnected from peer {}", peer_pubkey);
305 "listchannels" => list_channels(&channel_manager, &network_graph),
306 "listpayments" => list_payments(
307 &inbound_payments.lock().unwrap(),
308 &outbound_payments.lock().unwrap(),
311 let channel_id_str = words.next();
312 if channel_id_str.is_none() {
313 println!("ERROR: closechannel requires a channel ID: `closechannel <channel_id> <peer_pubkey>`");
316 let channel_id_vec = hex_utils::to_vec(channel_id_str.unwrap());
317 if channel_id_vec.is_none() || channel_id_vec.as_ref().unwrap().len() != 32 {
318 println!("ERROR: couldn't parse channel_id");
321 let mut channel_id = [0; 32];
322 channel_id.copy_from_slice(&channel_id_vec.unwrap());
324 let peer_pubkey_str = words.next();
325 if peer_pubkey_str.is_none() {
326 println!("ERROR: closechannel requires a peer pubkey: `closechannel <channel_id> <peer_pubkey>`");
329 let peer_pubkey_vec = match hex_utils::to_vec(peer_pubkey_str.unwrap()) {
330 Some(peer_pubkey_vec) => peer_pubkey_vec,
332 println!("ERROR: couldn't parse peer_pubkey");
336 let peer_pubkey = match PublicKey::from_slice(&peer_pubkey_vec) {
337 Ok(peer_pubkey) => peer_pubkey,
339 println!("ERROR: couldn't parse peer_pubkey");
344 close_channel(channel_id, peer_pubkey, channel_manager.clone());
346 "forceclosechannel" => {
347 let channel_id_str = words.next();
348 if channel_id_str.is_none() {
349 println!("ERROR: forceclosechannel requires a channel ID: `forceclosechannel <channel_id> <peer_pubkey>`");
352 let channel_id_vec = hex_utils::to_vec(channel_id_str.unwrap());
353 if channel_id_vec.is_none() || channel_id_vec.as_ref().unwrap().len() != 32 {
354 println!("ERROR: couldn't parse channel_id");
357 let mut channel_id = [0; 32];
358 channel_id.copy_from_slice(&channel_id_vec.unwrap());
360 let peer_pubkey_str = words.next();
361 if peer_pubkey_str.is_none() {
362 println!("ERROR: forceclosechannel requires a peer pubkey: `forceclosechannel <channel_id> <peer_pubkey>`");
365 let peer_pubkey_vec = match hex_utils::to_vec(peer_pubkey_str.unwrap()) {
366 Some(peer_pubkey_vec) => peer_pubkey_vec,
368 println!("ERROR: couldn't parse peer_pubkey");
372 let peer_pubkey = match PublicKey::from_slice(&peer_pubkey_vec) {
373 Ok(peer_pubkey) => peer_pubkey,
375 println!("ERROR: couldn't parse peer_pubkey");
380 force_close_channel(channel_id, peer_pubkey, channel_manager.clone());
382 "nodeinfo" => node_info(&channel_manager, &peer_manager),
383 "listpeers" => list_peers(peer_manager.clone()),
385 const MSG_STARTPOS: usize = "signmessage".len() + 1;
386 if line.trim().as_bytes().len() <= MSG_STARTPOS {
387 println!("ERROR: signmsg requires a message");
392 lightning::util::message_signing::sign(
393 &line.trim().as_bytes()[MSG_STARTPOS..],
394 &keys_manager.get_node_secret_key()
398 "sendonionmessage" => {
399 let path_pks_str = words.next();
400 if path_pks_str.is_none() {
402 "ERROR: sendonionmessage requires at least one node id for the path"
406 let mut intermediate_nodes = Vec::new();
407 let mut errored = false;
408 for pk_str in path_pks_str.unwrap().split(",") {
409 let node_pubkey_vec = match hex_utils::to_vec(pk_str) {
410 Some(peer_pubkey_vec) => peer_pubkey_vec,
412 println!("ERROR: couldn't parse peer_pubkey");
417 let node_pubkey = match PublicKey::from_slice(&node_pubkey_vec) {
418 Ok(peer_pubkey) => peer_pubkey,
420 println!("ERROR: couldn't parse peer_pubkey");
425 intermediate_nodes.push(node_pubkey);
430 let tlv_type = match words.next().map(|ty_str| ty_str.parse()) {
431 Some(Ok(ty)) if ty >= 64 => ty,
433 println!("Need an integral message type above 64");
437 let data = match words.next().map(|s| hex_utils::to_vec(s)) {
438 Some(Some(data)) => data,
440 println!("Need a hex data string");
444 let destination = Destination::Node(intermediate_nodes.pop().unwrap());
445 let message_path = OnionMessagePath { intermediate_nodes, destination };
446 match onion_messenger.send_onion_message(
448 UserOnionMessageContents { tlv_type, data },
451 Ok(()) => println!("SUCCESS: forwarded onion message to first hop"),
452 Err(e) => println!("ERROR: failed to send onion message: {:?}", e),
455 "quit" | "exit" => break,
456 _ => println!("Unknown command. See `\"help\" for available commands."),
463 let package_version = env!("CARGO_PKG_VERSION");
464 let package_name = env!("CARGO_PKG_NAME");
465 println!("\nVERSION:");
466 println!(" {} v{}", package_name, package_version);
467 println!("\nUSAGE:");
468 println!(" Command [arguments]");
469 println!("\nCOMMANDS:");
470 println!(" help\tShows a list of commands.");
471 println!(" quit\tClose the application.");
472 println!("\n Channels:");
473 println!(" openchannel pubkey@host:port <amt_satoshis> [--public] [--with-anchors]");
474 println!(" closechannel <channel_id> <peer_pubkey>");
475 println!(" forceclosechannel <channel_id> <peer_pubkey>");
476 println!(" listchannels");
477 println!("\n Peers:");
478 println!(" connectpeer pubkey@host:port");
479 println!(" disconnectpeer <peer_pubkey>");
480 println!(" listpeers");
481 println!("\n Payments:");
482 println!(" sendpayment <invoice>");
483 println!(" keysend <dest_pubkey> <amt_msats>");
484 println!(" listpayments");
485 println!("\n Invoices:");
486 println!(" getinvoice <amt_msats> <expiry_secs>");
487 println!("\n Other:");
488 println!(" signmessage <message>");
490 " sendonionmessage <node_id_1,node_id_2,..,destination_node_id> <type> <hex_bytes>"
492 println!(" nodeinfo");
495 fn node_info(channel_manager: &Arc<ChannelManager>, peer_manager: &Arc<PeerManager>) {
497 println!("\t\t node_pubkey: {}", channel_manager.get_our_node_id());
498 let chans = channel_manager.list_channels();
499 println!("\t\t num_channels: {}", chans.len());
500 println!("\t\t num_usable_channels: {}", chans.iter().filter(|c| c.is_usable).count());
501 let local_balance_msat = chans.iter().map(|c| c.balance_msat).sum::<u64>();
502 println!("\t\t local_balance_msat: {}", local_balance_msat);
503 println!("\t\t num_peers: {}", peer_manager.get_peer_node_ids().len());
507 fn list_peers(peer_manager: Arc<PeerManager>) {
509 for (pubkey, _) in peer_manager.get_peer_node_ids() {
510 println!("\t\t pubkey: {}", pubkey);
515 fn list_channels(channel_manager: &Arc<ChannelManager>, network_graph: &Arc<NetworkGraph>) {
517 for chan_info in channel_manager.list_channels() {
520 println!("\t\tchannel_id: {},", chan_info.channel_id);
521 if let Some(funding_txo) = chan_info.funding_txo {
522 println!("\t\tfunding_txid: {},", funding_txo.txid);
526 "\t\tpeer_pubkey: {},",
527 hex_utils::hex_str(&chan_info.counterparty.node_id.serialize())
529 if let Some(node_info) = network_graph
532 .get(&NodeId::from_pubkey(&chan_info.counterparty.node_id))
534 if let Some(announcement) = &node_info.announcement_info {
535 println!("\t\tpeer_alias: {}", announcement.alias);
539 if let Some(id) = chan_info.short_channel_id {
540 println!("\t\tshort_channel_id: {},", id);
542 println!("\t\tis_channel_ready: {},", chan_info.is_channel_ready);
543 println!("\t\tchannel_value_satoshis: {},", chan_info.channel_value_satoshis);
544 println!("\t\toutbound_capacity_msat: {},", chan_info.outbound_capacity_msat);
545 if chan_info.is_usable {
546 println!("\t\tavailable_balance_for_send_msat: {},", chan_info.outbound_capacity_msat);
547 println!("\t\tavailable_balance_for_recv_msat: {},", chan_info.inbound_capacity_msat);
549 println!("\t\tchannel_can_send_payments: {},", chan_info.is_usable);
550 println!("\t\tpublic: {},", chan_info.is_public);
557 inbound_payments: &InboundPaymentInfoStorage, outbound_payments: &OutboundPaymentInfoStorage,
560 for (payment_hash, payment_info) in &inbound_payments.payments {
563 println!("\t\tamount_millisatoshis: {},", payment_info.amt_msat);
564 println!("\t\tpayment_hash: {},", payment_hash);
565 println!("\t\thtlc_direction: inbound,");
567 "\t\thtlc_status: {},",
568 match payment_info.status {
569 HTLCStatus::Pending => "pending",
570 HTLCStatus::Succeeded => "succeeded",
571 HTLCStatus::Failed => "failed",
578 for (payment_hash, payment_info) in &outbound_payments.payments {
581 println!("\t\tamount_millisatoshis: {},", payment_info.amt_msat);
582 println!("\t\tpayment_hash: {},", payment_hash);
583 println!("\t\thtlc_direction: outbound,");
585 "\t\thtlc_status: {},",
586 match payment_info.status {
587 HTLCStatus::Pending => "pending",
588 HTLCStatus::Succeeded => "succeeded",
589 HTLCStatus::Failed => "failed",
598 pub(crate) async fn connect_peer_if_necessary(
599 pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc<PeerManager>,
600 ) -> Result<(), ()> {
601 for (node_pubkey, _) in peer_manager.get_peer_node_ids() {
602 if node_pubkey == pubkey {
606 let res = do_connect_peer(pubkey, peer_addr, peer_manager).await;
608 println!("ERROR: failed to connect to peer");
613 pub(crate) async fn do_connect_peer(
614 pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc<PeerManager>,
615 ) -> Result<(), ()> {
616 match lightning_net_tokio::connect_outbound(Arc::clone(&peer_manager), pubkey, peer_addr).await
618 Some(connection_closed_future) => {
619 let mut connection_closed_future = Box::pin(connection_closed_future);
622 _ = &mut connection_closed_future => return Err(()),
623 _ = tokio::time::sleep(Duration::from_millis(10)) => {},
625 if peer_manager.get_peer_node_ids().iter().find(|(id, _)| *id == pubkey).is_some() {
634 fn do_disconnect_peer(
635 pubkey: bitcoin::secp256k1::PublicKey, peer_manager: Arc<PeerManager>,
636 channel_manager: Arc<ChannelManager>,
637 ) -> Result<(), ()> {
638 //check for open channels with peer
639 for channel in channel_manager.list_channels() {
640 if channel.counterparty.node_id == pubkey {
641 println!("Error: Node has an active channel with this peer, close any channels first");
646 //check the pubkey matches a valid connected peer
647 let peers = peer_manager.get_peer_node_ids();
648 if !peers.iter().any(|(pk, _)| &pubkey == pk) {
649 println!("Error: Could not find peer {}", pubkey);
653 peer_manager.disconnect_by_node_id(pubkey);
658 peer_pubkey: PublicKey, channel_amt_sat: u64, announced_channel: bool, with_anchors: bool,
659 channel_manager: Arc<ChannelManager>,
660 ) -> Result<(), ()> {
661 let config = UserConfig {
662 channel_handshake_limits: ChannelHandshakeLimits {
663 // lnd's max to_self_delay is 2016, so we want to be compatible.
664 their_to_self_delay: 2016,
667 channel_handshake_config: ChannelHandshakeConfig {
669 negotiate_anchors_zero_fee_htlc_tx: with_anchors,
675 match channel_manager.create_channel(peer_pubkey, channel_amt_sat, 0, 0, Some(config)) {
677 println!("EVENT: initiated channel with peer {}. ", peer_pubkey);
681 println!("ERROR: failed to open channel: {:?}", e);
688 channel_manager: &ChannelManager, invoice: &Bolt11Invoice,
689 outbound_payments: &mut OutboundPaymentInfoStorage, fs_store: Arc<FilesystemStore>,
691 let payment_id = PaymentId((*invoice.payment_hash()).into_inner());
692 let payment_secret = Some(*invoice.payment_secret());
693 outbound_payments.payments.insert(
697 secret: payment_secret,
698 status: HTLCStatus::Pending,
699 amt_msat: MillisatAmount(invoice.amount_milli_satoshis()),
702 fs_store.write("", "", OUTBOUND_PAYMENTS_FNAME, &outbound_payments.encode()).unwrap();
703 match pay_invoice(invoice, Retry::Timeout(Duration::from_secs(10)), channel_manager) {
705 let payee_pubkey = invoice.recover_payee_pub_key();
706 let amt_msat = invoice.amount_milli_satoshis().unwrap();
707 println!("EVENT: initiated sending {} msats to {}", amt_msat, payee_pubkey);
711 println!("ERROR: failed to send payment: {:?}", e);
713 outbound_payments.payments.get_mut(&payment_id).unwrap().status = HTLCStatus::Failed;
714 fs_store.write("", "", OUTBOUND_PAYMENTS_FNAME, &outbound_payments.encode()).unwrap();
719 fn keysend<E: EntropySource>(
720 channel_manager: &ChannelManager, payee_pubkey: PublicKey, amt_msat: u64, entropy_source: &E,
721 outbound_payments: &mut OutboundPaymentInfoStorage, fs_store: Arc<FilesystemStore>,
723 let payment_preimage = PaymentPreimage(entropy_source.get_secure_random_bytes());
724 let payment_id = PaymentId(Sha256::hash(&payment_preimage.0[..]).into_inner());
726 let route_params = RouteParameters::from_payment_params_and_value(
727 PaymentParameters::for_keysend(payee_pubkey, 40, false),
730 outbound_payments.payments.insert(
735 status: HTLCStatus::Pending,
736 amt_msat: MillisatAmount(Some(amt_msat)),
739 fs_store.write("", "", OUTBOUND_PAYMENTS_FNAME, &outbound_payments.encode()).unwrap();
740 match channel_manager.send_spontaneous_payment_with_retry(
741 Some(payment_preimage),
742 RecipientOnionFields::spontaneous_empty(),
745 Retry::Timeout(Duration::from_secs(10)),
747 Ok(_payment_hash) => {
748 println!("EVENT: initiated sending {} msats to {}", amt_msat, payee_pubkey);
752 println!("ERROR: failed to send payment: {:?}", e);
754 outbound_payments.payments.get_mut(&payment_id).unwrap().status = HTLCStatus::Failed;
755 fs_store.write("", "", OUTBOUND_PAYMENTS_FNAME, &outbound_payments.encode()).unwrap();
761 amt_msat: u64, inbound_payments: &mut InboundPaymentInfoStorage,
762 channel_manager: &ChannelManager, keys_manager: Arc<KeysManager>, network: Network,
763 expiry_secs: u32, logger: Arc<disk::FilesystemLogger>,
765 let currency = match network {
766 Network::Bitcoin => Currency::Bitcoin,
767 Network::Testnet => Currency::BitcoinTestnet,
768 Network::Regtest => Currency::Regtest,
769 Network::Signet => Currency::Signet,
771 let invoice = match utils::create_invoice_from_channelmanager(
777 "ldk-tutorial-node".to_string(),
782 println!("SUCCESS: generated invoice: {}", inv);
786 println!("ERROR: failed to create invoice: {:?}", e);
791 let payment_hash = PaymentHash(invoice.payment_hash().clone().into_inner());
792 inbound_payments.payments.insert(
796 secret: Some(invoice.payment_secret().clone()),
797 status: HTLCStatus::Pending,
798 amt_msat: MillisatAmount(Some(amt_msat)),
804 channel_id: [u8; 32], counterparty_node_id: PublicKey, channel_manager: Arc<ChannelManager>,
806 match channel_manager.close_channel(&ChannelId(channel_id), &counterparty_node_id) {
807 Ok(()) => println!("EVENT: initiating channel close"),
808 Err(e) => println!("ERROR: failed to close channel: {:?}", e),
812 fn force_close_channel(
813 channel_id: [u8; 32], counterparty_node_id: PublicKey, channel_manager: Arc<ChannelManager>,
815 match channel_manager
816 .force_close_broadcasting_latest_txn(&ChannelId(channel_id), &counterparty_node_id)
818 Ok(()) => println!("EVENT: initiating channel force-close"),
819 Err(e) => println!("ERROR: failed to force-close channel: {:?}", e),
823 pub(crate) fn parse_peer_info(
824 peer_pubkey_and_ip_addr: String,
825 ) -> Result<(PublicKey, SocketAddr), std::io::Error> {
826 let mut pubkey_and_addr = peer_pubkey_and_ip_addr.split("@");
827 let pubkey = pubkey_and_addr.next();
828 let peer_addr_str = pubkey_and_addr.next();
829 if peer_addr_str.is_none() {
830 return Err(std::io::Error::new(
831 std::io::ErrorKind::Other,
832 "ERROR: incorrectly formatted peer info. Should be formatted as: `pubkey@host:port`",
836 let peer_addr = peer_addr_str.unwrap().to_socket_addrs().map(|mut r| r.next());
837 if peer_addr.is_err() || peer_addr.as_ref().unwrap().is_none() {
838 return Err(std::io::Error::new(
839 std::io::ErrorKind::Other,
840 "ERROR: couldn't parse pubkey@host:port into a socket address",
844 let pubkey = hex_utils::to_compressed_pubkey(pubkey.unwrap());
845 if pubkey.is_none() {
846 return Err(std::io::Error::new(
847 std::io::ErrorKind::Other,
848 "ERROR: unable to parse given pubkey for node",
852 Ok((pubkey.unwrap(), peer_addr.unwrap().unwrap()))