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::messenger::Destination;
15 use lightning::onion_message::packet::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::payment_parameters_from_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,
47 struct UserOnionMessageContents {
52 impl OnionMessageContents for UserOnionMessageContents {
53 fn tlv_type(&self) -> u64 {
58 impl Writeable for UserOnionMessageContents {
59 fn write<W: Writer>(&self, w: &mut W) -> Result<(), std::io::Error> {
60 w.write_all(&self.data)
64 pub(crate) fn poll_for_user_input(
65 peer_manager: Arc<PeerManager>, channel_manager: Arc<ChannelManager>,
66 keys_manager: Arc<KeysManager>, network_graph: Arc<NetworkGraph>,
67 onion_messenger: Arc<OnionMessenger>, inbound_payments: Arc<Mutex<InboundPaymentInfoStorage>>,
68 outbound_payments: Arc<Mutex<OutboundPaymentInfoStorage>>, ldk_data_dir: String,
69 network: Network, logger: Arc<disk::FilesystemLogger>, fs_store: Arc<FilesystemStore>,
72 "LDK startup successful. Enter \"help\" to view available commands. Press Ctrl-D to quit."
74 println!("LDK logs are available at <your-supplied-ldk-data-dir-path>/.ldk/logs");
75 println!("Local Node ID is {}.", channel_manager.get_our_node_id());
78 io::stdout().flush().unwrap(); // Without flushing, the `>` doesn't print
79 let mut line = String::new();
80 if let Err(e) = io::stdin().read_line(&mut line) {
81 break println!("ERROR: {}", e);
85 // We hit EOF / Ctrl-D
89 let mut words = line.split_whitespace();
90 if let Some(word) = words.next() {
94 let peer_pubkey_and_ip_addr = words.next();
95 let channel_value_sat = words.next();
96 if peer_pubkey_and_ip_addr.is_none() || channel_value_sat.is_none() {
97 println!("ERROR: openchannel has 2 required arguments: `openchannel pubkey@host:port channel_amt_satoshis` [--public] [--with-anchors]");
100 let peer_pubkey_and_ip_addr = peer_pubkey_and_ip_addr.unwrap();
101 let (pubkey, peer_addr) =
102 match parse_peer_info(peer_pubkey_and_ip_addr.to_string()) {
105 println!("{:?}", e.into_inner().unwrap());
110 let chan_amt_sat: Result<u64, _> = channel_value_sat.unwrap().parse();
111 if chan_amt_sat.is_err() {
112 println!("ERROR: channel amount must be a number");
116 if tokio::runtime::Handle::current()
117 .block_on(connect_peer_if_necessary(
120 peer_manager.clone(),
127 let (mut announce_channel, mut with_anchors) = (false, false);
128 while let Some(word) = words.next() {
130 "--public" | "--public=true" => announce_channel = true,
131 "--public=false" => announce_channel = false,
132 "--with-anchors" | "--with-anchors=true" => with_anchors = true,
133 "--with-anchors=false" => with_anchors = false,
135 println!("ERROR: invalid boolean flag format. Valid formats: `--option`, `--option=true` `--option=false`");
143 chan_amt_sat.unwrap(),
146 channel_manager.clone(),
150 let peer_data_path = format!("{}/channel_peer_data", ldk_data_dir.clone());
151 let _ = disk::persist_channel_peer(
152 Path::new(&peer_data_path),
153 peer_pubkey_and_ip_addr,
158 let invoice_str = words.next();
159 if invoice_str.is_none() {
160 println!("ERROR: sendpayment requires an invoice: `sendpayment <invoice>`");
164 let invoice = match Bolt11Invoice::from_str(invoice_str.unwrap()) {
167 println!("ERROR: invalid invoice: {:?}", e);
175 &mut outbound_payments.lock().unwrap(),
176 Arc::clone(&fs_store),
180 let dest_pubkey = match words.next() {
181 Some(dest) => match hex_utils::to_compressed_pubkey(dest) {
184 println!("ERROR: couldn't parse destination pubkey");
189 println!("ERROR: keysend requires a destination pubkey: `keysend <dest_pubkey> <amt_msat>`");
193 let amt_msat_str = match words.next() {
196 println!("ERROR: keysend requires an amount in millisatoshis: `keysend <dest_pubkey> <amt_msat>`");
200 let amt_msat: u64 = match amt_msat_str.parse() {
203 println!("ERROR: couldn't parse amount_msat: {}", e);
212 &mut outbound_payments.lock().unwrap(),
213 Arc::clone(&fs_store),
217 let amt_str = words.next();
218 if amt_str.is_none() {
219 println!("ERROR: getinvoice requires an amount in millisatoshis");
223 let amt_msat: Result<u64, _> = amt_str.unwrap().parse();
224 if amt_msat.is_err() {
225 println!("ERROR: getinvoice provided payment amount was not a number");
229 let expiry_secs_str = words.next();
230 if expiry_secs_str.is_none() {
231 println!("ERROR: getinvoice requires an expiry in seconds");
235 let expiry_secs: Result<u32, _> = expiry_secs_str.unwrap().parse();
236 if expiry_secs.is_err() {
237 println!("ERROR: getinvoice provided expiry was not a number");
241 let mut inbound_payments = inbound_payments.lock().unwrap();
244 &mut inbound_payments,
246 Arc::clone(&keys_manager),
248 expiry_secs.unwrap(),
252 .write("", "", INBOUND_PAYMENTS_FNAME, &inbound_payments.encode())
256 let peer_pubkey_and_ip_addr = words.next();
257 if peer_pubkey_and_ip_addr.is_none() {
258 println!("ERROR: connectpeer requires peer connection info: `connectpeer pubkey@host:port`");
261 let (pubkey, peer_addr) =
262 match parse_peer_info(peer_pubkey_and_ip_addr.unwrap().to_string()) {
265 println!("{:?}", e.into_inner().unwrap());
269 if tokio::runtime::Handle::current()
270 .block_on(connect_peer_if_necessary(
273 peer_manager.clone(),
277 println!("SUCCESS: connected to peer {}", pubkey);
280 "disconnectpeer" => {
281 let peer_pubkey = words.next();
282 if peer_pubkey.is_none() {
283 println!("ERROR: disconnectpeer requires peer public key: `disconnectpeer <peer_pubkey>`");
288 match bitcoin::secp256k1::PublicKey::from_str(peer_pubkey.unwrap()) {
289 Ok(pubkey) => pubkey,
291 println!("ERROR: {}", e.to_string());
296 if do_disconnect_peer(
298 peer_manager.clone(),
299 channel_manager.clone(),
303 println!("SUCCESS: disconnected from peer {}", peer_pubkey);
306 "listchannels" => list_channels(&channel_manager, &network_graph),
307 "listpayments" => list_payments(
308 &inbound_payments.lock().unwrap(),
309 &outbound_payments.lock().unwrap(),
312 let channel_id_str = words.next();
313 if channel_id_str.is_none() {
314 println!("ERROR: closechannel requires a channel ID: `closechannel <channel_id> <peer_pubkey>`");
317 let channel_id_vec = hex_utils::to_vec(channel_id_str.unwrap());
318 if channel_id_vec.is_none() || channel_id_vec.as_ref().unwrap().len() != 32 {
319 println!("ERROR: couldn't parse channel_id");
322 let mut channel_id = [0; 32];
323 channel_id.copy_from_slice(&channel_id_vec.unwrap());
325 let peer_pubkey_str = words.next();
326 if peer_pubkey_str.is_none() {
327 println!("ERROR: closechannel requires a peer pubkey: `closechannel <channel_id> <peer_pubkey>`");
330 let peer_pubkey_vec = match hex_utils::to_vec(peer_pubkey_str.unwrap()) {
331 Some(peer_pubkey_vec) => peer_pubkey_vec,
333 println!("ERROR: couldn't parse peer_pubkey");
337 let peer_pubkey = match PublicKey::from_slice(&peer_pubkey_vec) {
338 Ok(peer_pubkey) => peer_pubkey,
340 println!("ERROR: couldn't parse peer_pubkey");
345 close_channel(channel_id, peer_pubkey, channel_manager.clone());
347 "forceclosechannel" => {
348 let channel_id_str = words.next();
349 if channel_id_str.is_none() {
350 println!("ERROR: forceclosechannel requires a channel ID: `forceclosechannel <channel_id> <peer_pubkey>`");
353 let channel_id_vec = hex_utils::to_vec(channel_id_str.unwrap());
354 if channel_id_vec.is_none() || channel_id_vec.as_ref().unwrap().len() != 32 {
355 println!("ERROR: couldn't parse channel_id");
358 let mut channel_id = [0; 32];
359 channel_id.copy_from_slice(&channel_id_vec.unwrap());
361 let peer_pubkey_str = words.next();
362 if peer_pubkey_str.is_none() {
363 println!("ERROR: forceclosechannel requires a peer pubkey: `forceclosechannel <channel_id> <peer_pubkey>`");
366 let peer_pubkey_vec = match hex_utils::to_vec(peer_pubkey_str.unwrap()) {
367 Some(peer_pubkey_vec) => peer_pubkey_vec,
369 println!("ERROR: couldn't parse peer_pubkey");
373 let peer_pubkey = match PublicKey::from_slice(&peer_pubkey_vec) {
374 Ok(peer_pubkey) => peer_pubkey,
376 println!("ERROR: couldn't parse peer_pubkey");
381 force_close_channel(channel_id, peer_pubkey, channel_manager.clone());
383 "nodeinfo" => node_info(&channel_manager, &peer_manager),
384 "listpeers" => list_peers(peer_manager.clone()),
386 const MSG_STARTPOS: usize = "signmessage".len() + 1;
387 if line.trim().as_bytes().len() <= MSG_STARTPOS {
388 println!("ERROR: signmsg requires a message");
393 lightning::util::message_signing::sign(
394 &line.trim().as_bytes()[MSG_STARTPOS..],
395 &keys_manager.get_node_secret_key()
399 "sendonionmessage" => {
400 let path_pks_str = words.next();
401 if path_pks_str.is_none() {
403 "ERROR: sendonionmessage requires at least one node id for the path"
407 let mut intermediate_nodes = Vec::new();
408 let mut errored = false;
409 for pk_str in path_pks_str.unwrap().split(",") {
410 let node_pubkey_vec = match hex_utils::to_vec(pk_str) {
411 Some(peer_pubkey_vec) => peer_pubkey_vec,
413 println!("ERROR: couldn't parse peer_pubkey");
418 let node_pubkey = match PublicKey::from_slice(&node_pubkey_vec) {
419 Ok(peer_pubkey) => peer_pubkey,
421 println!("ERROR: couldn't parse peer_pubkey");
426 intermediate_nodes.push(node_pubkey);
431 let tlv_type = match words.next().map(|ty_str| ty_str.parse()) {
432 Some(Ok(ty)) if ty >= 64 => ty,
434 println!("Need an integral message type above 64");
438 let data = match words.next().map(|s| hex_utils::to_vec(s)) {
439 Some(Some(data)) => data,
441 println!("Need a hex data string");
445 let destination = Destination::Node(intermediate_nodes.pop().unwrap());
446 match onion_messenger.send_onion_message(
447 UserOnionMessageContents { tlv_type, data },
452 println!("SUCCESS: forwarded onion message to first hop {:?}", success)
454 Err(e) => println!("ERROR: failed to send onion message: {:?}", e),
457 "quit" | "exit" => break,
458 _ => println!("Unknown command. See `\"help\" for available commands."),
465 let package_version = env!("CARGO_PKG_VERSION");
466 let package_name = env!("CARGO_PKG_NAME");
467 println!("\nVERSION:");
468 println!(" {} v{}", package_name, package_version);
469 println!("\nUSAGE:");
470 println!(" Command [arguments]");
471 println!("\nCOMMANDS:");
472 println!(" help\tShows a list of commands.");
473 println!(" quit\tClose the application.");
474 println!("\n Channels:");
475 println!(" openchannel pubkey@host:port <amt_satoshis> [--public] [--with-anchors]");
476 println!(" closechannel <channel_id> <peer_pubkey>");
477 println!(" forceclosechannel <channel_id> <peer_pubkey>");
478 println!(" listchannels");
479 println!("\n Peers:");
480 println!(" connectpeer pubkey@host:port");
481 println!(" disconnectpeer <peer_pubkey>");
482 println!(" listpeers");
483 println!("\n Payments:");
484 println!(" sendpayment <invoice>");
485 println!(" keysend <dest_pubkey> <amt_msats>");
486 println!(" listpayments");
487 println!("\n Invoices:");
488 println!(" getinvoice <amt_msats> <expiry_secs>");
489 println!("\n Other:");
490 println!(" signmessage <message>");
492 " sendonionmessage <node_id_1,node_id_2,..,destination_node_id> <type> <hex_bytes>"
494 println!(" nodeinfo");
497 fn node_info(channel_manager: &Arc<ChannelManager>, peer_manager: &Arc<PeerManager>) {
499 println!("\t\t node_pubkey: {}", channel_manager.get_our_node_id());
500 let chans = channel_manager.list_channels();
501 println!("\t\t num_channels: {}", chans.len());
502 println!("\t\t num_usable_channels: {}", chans.iter().filter(|c| c.is_usable).count());
503 let local_balance_msat = chans.iter().map(|c| c.balance_msat).sum::<u64>();
504 println!("\t\t local_balance_msat: {}", local_balance_msat);
505 println!("\t\t num_peers: {}", peer_manager.get_peer_node_ids().len());
509 fn list_peers(peer_manager: Arc<PeerManager>) {
511 for (pubkey, _) in peer_manager.get_peer_node_ids() {
512 println!("\t\t pubkey: {}", pubkey);
517 fn list_channels(channel_manager: &Arc<ChannelManager>, network_graph: &Arc<NetworkGraph>) {
519 for chan_info in channel_manager.list_channels() {
522 println!("\t\tchannel_id: {},", chan_info.channel_id);
523 if let Some(funding_txo) = chan_info.funding_txo {
524 println!("\t\tfunding_txid: {},", funding_txo.txid);
528 "\t\tpeer_pubkey: {},",
529 hex_utils::hex_str(&chan_info.counterparty.node_id.serialize())
531 if let Some(node_info) = network_graph
534 .get(&NodeId::from_pubkey(&chan_info.counterparty.node_id))
536 if let Some(announcement) = &node_info.announcement_info {
537 println!("\t\tpeer_alias: {}", announcement.alias);
541 if let Some(id) = chan_info.short_channel_id {
542 println!("\t\tshort_channel_id: {},", id);
544 println!("\t\tis_channel_ready: {},", chan_info.is_channel_ready);
545 println!("\t\tchannel_value_satoshis: {},", chan_info.channel_value_satoshis);
546 println!("\t\toutbound_capacity_msat: {},", chan_info.outbound_capacity_msat);
547 if chan_info.is_usable {
548 println!("\t\tavailable_balance_for_send_msat: {},", chan_info.outbound_capacity_msat);
549 println!("\t\tavailable_balance_for_recv_msat: {},", chan_info.inbound_capacity_msat);
551 println!("\t\tchannel_can_send_payments: {},", chan_info.is_usable);
552 println!("\t\tpublic: {},", chan_info.is_public);
559 inbound_payments: &InboundPaymentInfoStorage, outbound_payments: &OutboundPaymentInfoStorage,
562 for (payment_hash, payment_info) in &inbound_payments.payments {
565 println!("\t\tamount_millisatoshis: {},", payment_info.amt_msat);
566 println!("\t\tpayment_hash: {},", payment_hash);
567 println!("\t\thtlc_direction: inbound,");
569 "\t\thtlc_status: {},",
570 match payment_info.status {
571 HTLCStatus::Pending => "pending",
572 HTLCStatus::Succeeded => "succeeded",
573 HTLCStatus::Failed => "failed",
580 for (payment_hash, payment_info) in &outbound_payments.payments {
583 println!("\t\tamount_millisatoshis: {},", payment_info.amt_msat);
584 println!("\t\tpayment_hash: {},", payment_hash);
585 println!("\t\thtlc_direction: outbound,");
587 "\t\thtlc_status: {},",
588 match payment_info.status {
589 HTLCStatus::Pending => "pending",
590 HTLCStatus::Succeeded => "succeeded",
591 HTLCStatus::Failed => "failed",
600 pub(crate) async fn connect_peer_if_necessary(
601 pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc<PeerManager>,
602 ) -> Result<(), ()> {
603 for (node_pubkey, _) in peer_manager.get_peer_node_ids() {
604 if node_pubkey == pubkey {
608 let res = do_connect_peer(pubkey, peer_addr, peer_manager).await;
610 println!("ERROR: failed to connect to peer");
615 pub(crate) async fn do_connect_peer(
616 pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc<PeerManager>,
617 ) -> Result<(), ()> {
618 match lightning_net_tokio::connect_outbound(Arc::clone(&peer_manager), pubkey, peer_addr).await
620 Some(connection_closed_future) => {
621 let mut connection_closed_future = Box::pin(connection_closed_future);
624 _ = &mut connection_closed_future => return Err(()),
625 _ = tokio::time::sleep(Duration::from_millis(10)) => {},
627 if peer_manager.get_peer_node_ids().iter().find(|(id, _)| *id == pubkey).is_some() {
636 fn do_disconnect_peer(
637 pubkey: bitcoin::secp256k1::PublicKey, peer_manager: Arc<PeerManager>,
638 channel_manager: Arc<ChannelManager>,
639 ) -> Result<(), ()> {
640 //check for open channels with peer
641 for channel in channel_manager.list_channels() {
642 if channel.counterparty.node_id == pubkey {
643 println!("Error: Node has an active channel with this peer, close any channels first");
648 //check the pubkey matches a valid connected peer
649 let peers = peer_manager.get_peer_node_ids();
650 if !peers.iter().any(|(pk, _)| &pubkey == pk) {
651 println!("Error: Could not find peer {}", pubkey);
655 peer_manager.disconnect_by_node_id(pubkey);
660 peer_pubkey: PublicKey, channel_amt_sat: u64, announced_channel: bool, with_anchors: bool,
661 channel_manager: Arc<ChannelManager>,
662 ) -> Result<(), ()> {
663 let config = UserConfig {
664 channel_handshake_limits: ChannelHandshakeLimits {
665 // lnd's max to_self_delay is 2016, so we want to be compatible.
666 their_to_self_delay: 2016,
669 channel_handshake_config: ChannelHandshakeConfig {
671 negotiate_anchors_zero_fee_htlc_tx: with_anchors,
677 match channel_manager.create_channel(peer_pubkey, channel_amt_sat, 0, 0, None, Some(config)) {
679 println!("EVENT: initiated channel with peer {}. ", peer_pubkey);
683 println!("ERROR: failed to open channel: {:?}", e);
690 channel_manager: &ChannelManager, invoice: &Bolt11Invoice,
691 outbound_payments: &mut OutboundPaymentInfoStorage, fs_store: Arc<FilesystemStore>,
693 let payment_id = PaymentId((*invoice.payment_hash()).to_byte_array());
694 let payment_secret = Some(*invoice.payment_secret());
695 let (payment_hash, recipient_onion, route_params) =
696 match payment_parameters_from_invoice(invoice) {
699 println!("Failed to parse invoice");
704 outbound_payments.payments.insert(
708 secret: payment_secret,
709 status: HTLCStatus::Pending,
710 amt_msat: MillisatAmount(invoice.amount_milli_satoshis()),
713 fs_store.write("", "", OUTBOUND_PAYMENTS_FNAME, &outbound_payments.encode()).unwrap();
715 match channel_manager.send_payment(
720 Retry::Timeout(Duration::from_secs(10)),
723 let payee_pubkey = invoice.recover_payee_pub_key();
724 let amt_msat = invoice.amount_milli_satoshis().unwrap();
725 println!("EVENT: initiated sending {} msats to {}", amt_msat, payee_pubkey);
729 println!("ERROR: failed to send payment: {:?}", e);
731 outbound_payments.payments.get_mut(&payment_id).unwrap().status = HTLCStatus::Failed;
732 fs_store.write("", "", OUTBOUND_PAYMENTS_FNAME, &outbound_payments.encode()).unwrap();
737 fn keysend<E: EntropySource>(
738 channel_manager: &ChannelManager, payee_pubkey: PublicKey, amt_msat: u64, entropy_source: &E,
739 outbound_payments: &mut OutboundPaymentInfoStorage, fs_store: Arc<FilesystemStore>,
741 let payment_preimage = PaymentPreimage(entropy_source.get_secure_random_bytes());
742 let payment_id = PaymentId(Sha256::hash(&payment_preimage.0[..]).to_byte_array());
744 let route_params = RouteParameters::from_payment_params_and_value(
745 PaymentParameters::for_keysend(payee_pubkey, 40, false),
748 outbound_payments.payments.insert(
753 status: HTLCStatus::Pending,
754 amt_msat: MillisatAmount(Some(amt_msat)),
757 fs_store.write("", "", OUTBOUND_PAYMENTS_FNAME, &outbound_payments.encode()).unwrap();
758 match channel_manager.send_spontaneous_payment_with_retry(
759 Some(payment_preimage),
760 RecipientOnionFields::spontaneous_empty(),
763 Retry::Timeout(Duration::from_secs(10)),
765 Ok(_payment_hash) => {
766 println!("EVENT: initiated sending {} msats to {}", amt_msat, payee_pubkey);
770 println!("ERROR: failed to send payment: {:?}", e);
772 outbound_payments.payments.get_mut(&payment_id).unwrap().status = HTLCStatus::Failed;
773 fs_store.write("", "", OUTBOUND_PAYMENTS_FNAME, &outbound_payments.encode()).unwrap();
779 amt_msat: u64, inbound_payments: &mut InboundPaymentInfoStorage,
780 channel_manager: &ChannelManager, keys_manager: Arc<KeysManager>, network: Network,
781 expiry_secs: u32, logger: Arc<disk::FilesystemLogger>,
783 let currency = match network {
784 Network::Bitcoin => Currency::Bitcoin,
785 Network::Regtest => Currency::Regtest,
786 Network::Signet => Currency::Signet,
787 Network::Testnet | _ => Currency::BitcoinTestnet,
789 let invoice = match utils::create_invoice_from_channelmanager(
795 "ldk-tutorial-node".to_string(),
800 println!("SUCCESS: generated invoice: {}", inv);
804 println!("ERROR: failed to create invoice: {:?}", e);
809 let payment_hash = PaymentHash(invoice.payment_hash().to_byte_array());
810 inbound_payments.payments.insert(
814 secret: Some(invoice.payment_secret().clone()),
815 status: HTLCStatus::Pending,
816 amt_msat: MillisatAmount(Some(amt_msat)),
822 channel_id: [u8; 32], counterparty_node_id: PublicKey, channel_manager: Arc<ChannelManager>,
824 match channel_manager.close_channel(&ChannelId(channel_id), &counterparty_node_id) {
825 Ok(()) => println!("EVENT: initiating channel close"),
826 Err(e) => println!("ERROR: failed to close channel: {:?}", e),
830 fn force_close_channel(
831 channel_id: [u8; 32], counterparty_node_id: PublicKey, channel_manager: Arc<ChannelManager>,
833 match channel_manager
834 .force_close_broadcasting_latest_txn(&ChannelId(channel_id), &counterparty_node_id)
836 Ok(()) => println!("EVENT: initiating channel force-close"),
837 Err(e) => println!("ERROR: failed to force-close channel: {:?}", e),
841 pub(crate) fn parse_peer_info(
842 peer_pubkey_and_ip_addr: String,
843 ) -> Result<(PublicKey, SocketAddr), std::io::Error> {
844 let mut pubkey_and_addr = peer_pubkey_and_ip_addr.split("@");
845 let pubkey = pubkey_and_addr.next();
846 let peer_addr_str = pubkey_and_addr.next();
847 if peer_addr_str.is_none() {
848 return Err(std::io::Error::new(
849 std::io::ErrorKind::Other,
850 "ERROR: incorrectly formatted peer info. Should be formatted as: `pubkey@host:port`",
854 let peer_addr = peer_addr_str.unwrap().to_socket_addrs().map(|mut r| r.next());
855 if peer_addr.is_err() || peer_addr.as_ref().unwrap().is_none() {
856 return Err(std::io::Error::new(
857 std::io::ErrorKind::Other,
858 "ERROR: couldn't parse pubkey@host:port into a socket address",
862 let pubkey = hex_utils::to_compressed_pubkey(pubkey.unwrap());
863 if pubkey.is_none() {
864 return Err(std::io::Error::new(
865 std::io::ErrorKind::Other,
866 "ERROR: unable to parse given pubkey for node",
870 Ok((pubkey.unwrap(), peer_addr.unwrap().unwrap()))