-use bitcoin::network::constants::Network;
-use bitcoin::hashes::Hash;
-use bitcoin::hashes::sha256::Hash as Sha256Hash;
-use bitcoin::secp256k1::Secp256k1;
-use bitcoin::secp256k1::key::{PublicKey, SecretKey};
-use crate::{ChannelManager, FilesystemLogger, HTLCDirection, HTLCStatus, NETWORK,
- PaymentInfoStorage, PeerManager};
use crate::disk;
use crate::hex_utils;
+use crate::{
+ ChannelManager, FilesystemLogger, HTLCStatus, MillisatAmount, PaymentInfo, PaymentInfoStorage,
+ PeerManager,
+};
+use bitcoin::network::constants::Network;
+use bitcoin::secp256k1::key::PublicKey;
use lightning::chain;
-use lightning::ln::channelmanager::{PaymentHash, PaymentPreimage, PaymentSecret};
+use lightning::chain::keysinterface::KeysManager;
use lightning::ln::features::InvoiceFeatures;
+use lightning::ln::{PaymentHash, PaymentSecret};
use lightning::routing::network_graph::NetGraphMsgHandler;
use lightning::routing::router;
+use lightning::routing::router::RouteHintHop;
use lightning::util::config::UserConfig;
-use rand;
-use rand::Rng;
+use lightning_invoice::{utils, Currency, Invoice};
use std::env;
use std::io;
use std::io::{BufRead, Write};
-use std::net::{SocketAddr, TcpStream};
+use std::net::{SocketAddr, ToSocketAddrs};
use std::ops::Deref;
use std::path::Path;
use std::str::FromStr;
use std::sync::Arc;
use std::time::Duration;
-use tokio::runtime::Handle;
use tokio::sync::mpsc;
pub(crate) struct LdkUserInfo {
- pub(crate) bitcoind_rpc_username: String,
- pub(crate) bitcoind_rpc_password: String,
- pub(crate) bitcoind_rpc_port: u16,
- pub(crate) bitcoind_rpc_host: String,
- pub(crate) ldk_storage_dir_path: String,
- pub(crate) ldk_peer_listening_port: u16,
+ pub(crate) bitcoind_rpc_username: String,
+ pub(crate) bitcoind_rpc_password: String,
+ pub(crate) bitcoind_rpc_port: u16,
+ pub(crate) bitcoind_rpc_host: String,
+ pub(crate) ldk_storage_dir_path: String,
+ pub(crate) ldk_peer_listening_port: u16,
+ pub(crate) network: Network,
}
pub(crate) fn parse_startup_args() -> Result<LdkUserInfo, ()> {
- if env::args().len() < 4 {
- println!("ldk-tutorial-node requires 3 arguments: `cargo run <bitcoind-rpc-username>:<bitcoind-rpc-password>@<bitcoind-rpc-host>:<bitcoind-rpc-port> ldk_storage_directory_path [optional: <ldk-incoming-peer-listening-port>]`");
- return Err(())
- }
- let bitcoind_rpc_info = env::args().skip(1).next().unwrap();
- let bitcoind_rpc_info_parts: Vec<&str> = bitcoind_rpc_info.split("@").collect();
- if bitcoind_rpc_info_parts.len() != 2 {
- println!("ERROR: bad bitcoind RPC URL provided");
- return Err(())
- }
- let rpc_user_and_password: Vec<&str> = bitcoind_rpc_info_parts[0].split(":").collect();
- if rpc_user_and_password.len() != 2 {
- println!("ERROR: bad bitcoind RPC username/password combo provided");
- return Err(())
- }
- let bitcoind_rpc_username = rpc_user_and_password[0].to_string();
- let bitcoind_rpc_password = rpc_user_and_password[1].to_string();
- let bitcoind_rpc_path: Vec<&str> = bitcoind_rpc_info_parts[1].split(":").collect();
- if bitcoind_rpc_path.len() != 2 {
- println!("ERROR: bad bitcoind RPC path provided");
- return Err(())
- }
- let bitcoind_rpc_host = bitcoind_rpc_path[0].to_string();
- let bitcoind_rpc_port = bitcoind_rpc_path[1].parse::<u16>().unwrap();
-
- let ldk_storage_dir_path = env::args().skip(2).next().unwrap();
-
- let ldk_peer_listening_port: u16 = match env::args().skip(3).next().map(|p| p.parse()) {
- Some(Ok(p)) => p,
- Some(Err(e)) => panic!(e),
- None => 9735,
- };
- Ok(LdkUserInfo {
- bitcoind_rpc_username,
- bitcoind_rpc_password,
- bitcoind_rpc_host,
- bitcoind_rpc_port,
- ldk_storage_dir_path,
- ldk_peer_listening_port,
- })
+ if env::args().len() < 3 {
+ println!("ldk-tutorial-node requires 3 arguments: `cargo run <bitcoind-rpc-username>:<bitcoind-rpc-password>@<bitcoind-rpc-host>:<bitcoind-rpc-port> ldk_storage_directory_path [<ldk-incoming-peer-listening-port>] [bitcoin-network]`");
+ return Err(());
+ }
+ let bitcoind_rpc_info = env::args().skip(1).next().unwrap();
+ let bitcoind_rpc_info_parts: Vec<&str> = bitcoind_rpc_info.split("@").collect();
+ if bitcoind_rpc_info_parts.len() != 2 {
+ println!("ERROR: bad bitcoind RPC URL provided");
+ return Err(());
+ }
+ let rpc_user_and_password: Vec<&str> = bitcoind_rpc_info_parts[0].split(":").collect();
+ if rpc_user_and_password.len() != 2 {
+ println!("ERROR: bad bitcoind RPC username/password combo provided");
+ return Err(());
+ }
+ let bitcoind_rpc_username = rpc_user_and_password[0].to_string();
+ let bitcoind_rpc_password = rpc_user_and_password[1].to_string();
+ let bitcoind_rpc_path: Vec<&str> = bitcoind_rpc_info_parts[1].split(":").collect();
+ if bitcoind_rpc_path.len() != 2 {
+ println!("ERROR: bad bitcoind RPC path provided");
+ return Err(());
+ }
+ let bitcoind_rpc_host = bitcoind_rpc_path[0].to_string();
+ let bitcoind_rpc_port = bitcoind_rpc_path[1].parse::<u16>().unwrap();
+
+ let ldk_storage_dir_path = env::args().skip(2).next().unwrap();
+
+ let mut ldk_peer_port_set = true;
+ let ldk_peer_listening_port: u16 = match env::args().skip(3).next().map(|p| p.parse()) {
+ Some(Ok(p)) => p,
+ Some(Err(e)) => panic!("{}", e),
+ None => {
+ ldk_peer_port_set = false;
+ 9735
+ }
+ };
+
+ let arg_idx = match ldk_peer_port_set {
+ true => 4,
+ false => 3,
+ };
+ let network: Network = match env::args().skip(arg_idx).next().as_ref().map(String::as_str) {
+ Some("testnet") => Network::Testnet,
+ Some("regtest") => Network::Regtest,
+ Some(_) => panic!("Unsupported network provided. Options are: `regtest`, `testnet`"),
+ None => Network::Testnet,
+ };
+ Ok(LdkUserInfo {
+ bitcoind_rpc_username,
+ bitcoind_rpc_password,
+ bitcoind_rpc_host,
+ bitcoind_rpc_port,
+ ldk_storage_dir_path,
+ ldk_peer_listening_port,
+ network,
+ })
}
-pub(crate) fn poll_for_user_input(peer_manager: Arc<PeerManager>, channel_manager:
- Arc<ChannelManager>, router: Arc<NetGraphMsgHandler<Arc<dyn
- chain::Access>, Arc<FilesystemLogger>>>, payment_storage:
- PaymentInfoStorage, node_privkey: SecretKey, event_notifier:
- mpsc::Sender<()>, ldk_data_dir: String, logger: Arc<FilesystemLogger>,
- runtime_handle: Handle) {
- println!("LDK startup successful. To view available commands: \"help\".\nLDK logs are available in the `logs` folder of <your-supplied-ldk-data-dir-path>/.ldk/logs");
- let stdin = io::stdin();
- print!("> "); io::stdout().flush().unwrap(); // Without flushing, the `>` doesn't print
- for line in stdin.lock().lines() {
- let _ = event_notifier.try_send(());
- let line = line.unwrap();
- let mut words = line.split_whitespace();
- if let Some(word) = words.next() {
- match word {
- "help" => help(),
- "openchannel" => {
- let peer_pubkey_and_ip_addr = words.next();
- let channel_value_sat = words.next();
- if peer_pubkey_and_ip_addr.is_none() || channel_value_sat.is_none() {
- println!("ERROR: openchannel takes 2 arguments: `openchannel pubkey@host:port channel_amt_satoshis`");
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
- let peer_pubkey_and_ip_addr = peer_pubkey_and_ip_addr.unwrap();
- let (pubkey, peer_addr) = match parse_peer_info(peer_pubkey_and_ip_addr.to_string()) {
- Ok(info) => info,
- Err(e) => {
- println!("{:?}", e.into_inner().unwrap());
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
- };
-
- let chan_amt_sat: Result<u64, _> = channel_value_sat.unwrap().parse();
- if chan_amt_sat.is_err() {
- println!("ERROR: channel amount must be a number");
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
-
- if connect_peer_if_necessary(pubkey, peer_addr, peer_manager.clone(),
- event_notifier.clone(),
- runtime_handle.clone()).is_err() {
- print!("> "); io::stdout().flush().unwrap(); continue;
- };
-
- if open_channel(pubkey, chan_amt_sat.unwrap(), channel_manager.clone()).is_ok() {
- let peer_data_path = format!("{}/channel_peer_data", ldk_data_dir.clone());
- let _ = disk::persist_channel_peer(Path::new(&peer_data_path), peer_pubkey_and_ip_addr);
- }
- },
- "sendpayment" => {
- let invoice_str = words.next();
- if invoice_str.is_none() {
- println!("ERROR: sendpayment requires an invoice: `sendpayment <invoice>`");
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
-
- let invoice_res = lightning_invoice::Invoice::from_str(invoice_str.unwrap());
- if invoice_res.is_err() {
- println!("ERROR: invalid invoice: {:?}", invoice_res.unwrap_err());
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
- let invoice = invoice_res.unwrap();
-
- let amt_pico_btc = invoice.amount_pico_btc();
- if amt_pico_btc.is_none () {
- println!("ERROR: invalid invoice: must contain amount to pay");
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
- let amt_msat = amt_pico_btc.unwrap() / 10;
-
- let payee_pubkey = invoice.recover_payee_pub_key();
- let final_cltv = *invoice.min_final_cltv_expiry().unwrap_or(&9) as u32;
-
- let mut payment_hash = PaymentHash([0; 32]);
- payment_hash.0.copy_from_slice(&invoice.payment_hash().as_ref()[0..32]);
-
-
- let payment_secret = match invoice.payment_secret() {
- Some(secret) => {
- let mut payment_secret = PaymentSecret([0; 32]);
- payment_secret.0.copy_from_slice(&secret.0);
- Some(payment_secret)
- },
- None => None
- };
-
- let mut invoice_features = InvoiceFeatures::empty();
- for field in &invoice.into_signed_raw().raw_invoice().data.tagged_fields {
- match field {
- lightning_invoice::RawTaggedField::UnknownSemantics(vec) => {
- if vec[0] == bech32::u5::try_from_u8(5).unwrap() {
- if vec.len() >= 6 && vec[5].to_u8() & 0b10000 != 0 {
- invoice_features.set_supports_var_onion_optin();
- }
- if vec.len() >= 6 && vec[5].to_u8() & 0b01000 != 0 {
- invoice_features.set_requires_var_onion_optin();
- }
- if vec.len() >= 4 && vec[3].to_u8() & 0b00001 != 0 {
- invoice_features.set_supports_payment_secret();
- }
- if vec.len() >= 5 && vec[4].to_u8() & 0b10000 != 0 {
- invoice_features.set_requires_payment_secret();
- }
- if vec.len() >= 4 && vec[3].to_u8() & 0b00100 != 0 {
- invoice_features.set_supports_basic_mpp();
- }
- if vec.len() >= 4 && vec[3].to_u8() & 0b00010 != 0 {
- invoice_features.set_requires_basic_mpp();
- }
- }
- },
- _ => {}
- }
- }
- let invoice_features_opt = match invoice_features == InvoiceFeatures::empty() {
- true => None,
- false => Some(invoice_features)
- };
- send_payment(payee_pubkey, amt_msat, final_cltv, payment_hash,
- payment_secret, invoice_features_opt, router.clone(),
- channel_manager.clone(), payment_storage.clone(),
- logger.clone());
- },
- "getinvoice" => {
- let amt_str = words.next();
- if amt_str.is_none() {
- println!("ERROR: getinvoice requires an amount in satoshis");
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
-
- let amt_sat: Result<u64, _> = amt_str.unwrap().parse();
- if amt_sat.is_err() {
- println!("ERROR: getinvoice provided payment amount was not a number");
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
- get_invoice(amt_sat.unwrap(), payment_storage.clone(), node_privkey.clone(),
- channel_manager.clone(), router.clone());
- },
- "connectpeer" => {
- let peer_pubkey_and_ip_addr = words.next();
- if peer_pubkey_and_ip_addr.is_none() {
- println!("ERROR: connectpeer requires peer connection info: `connectpeer pubkey@host:port`");
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
- let (pubkey, peer_addr) = match parse_peer_info(peer_pubkey_and_ip_addr.unwrap().to_string()) {
- Ok(info) => info,
- Err(e) => {
- println!("{:?}", e.into_inner().unwrap());
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
- };
- if connect_peer_if_necessary(pubkey, peer_addr, peer_manager.clone(),
- event_notifier.clone(), runtime_handle.clone()).is_ok() {
- println!("SUCCESS: connected to peer {}", pubkey);
- }
-
- },
- "listchannels" => list_channels(channel_manager.clone()),
- "listpayments" => list_payments(payment_storage.clone()),
- "closechannel" => {
- let channel_id_str = words.next();
- if channel_id_str.is_none() {
- println!("ERROR: closechannel requires a channel ID: `closechannel <channel_id>`");
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
- let channel_id_vec = hex_utils::to_vec(channel_id_str.unwrap());
- if channel_id_vec.is_none() {
- println!("ERROR: couldn't parse channel_id as hex");
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
- let mut channel_id = [0; 32];
- channel_id.copy_from_slice(&channel_id_vec.unwrap());
- close_channel(channel_id, channel_manager.clone());
- },
- "forceclosechannel" => {
- let channel_id_str = words.next();
- if channel_id_str.is_none() {
- println!("ERROR: forceclosechannel requires a channel ID: `forceclosechannel <channel_id>`");
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
- let channel_id_vec = hex_utils::to_vec(channel_id_str.unwrap());
- if channel_id_vec.is_none() {
- println!("ERROR: couldn't parse channel_id as hex");
- print!("> "); io::stdout().flush().unwrap(); continue;
- }
- let mut channel_id = [0; 32];
- channel_id.copy_from_slice(&channel_id_vec.unwrap());
- force_close_channel(channel_id, channel_manager.clone());
- }
- _ => println!("Unknown command. See `\"help\" for available commands.")
- }
- }
- print!("> "); io::stdout().flush().unwrap();
-
- }
+pub(crate) async fn poll_for_user_input(
+ peer_manager: Arc<PeerManager>, channel_manager: Arc<ChannelManager>,
+ keys_manager: Arc<KeysManager>,
+ router: Arc<NetGraphMsgHandler<Arc<dyn chain::Access + Send + Sync>, Arc<FilesystemLogger>>>,
+ inbound_payments: PaymentInfoStorage, outbound_payments: PaymentInfoStorage,
+ event_notifier: mpsc::Sender<()>, ldk_data_dir: String, logger: Arc<FilesystemLogger>,
+ network: Network,
+) {
+ println!("LDK startup successful. To view available commands: \"help\".");
+ println!("LDK logs are available at <your-supplied-ldk-data-dir-path>/.ldk/logs");
+ println!("Local Node ID is {}.", channel_manager.get_our_node_id());
+ let stdin = io::stdin();
+ print!("> ");
+ io::stdout().flush().unwrap(); // Without flushing, the `>` doesn't print
+ for line in stdin.lock().lines() {
+ let _ = event_notifier.try_send(());
+ let line = line.unwrap();
+ let mut words = line.split_whitespace();
+ if let Some(word) = words.next() {
+ match word {
+ "help" => help(),
+ "openchannel" => {
+ let peer_pubkey_and_ip_addr = words.next();
+ let channel_value_sat = words.next();
+ if peer_pubkey_and_ip_addr.is_none() || channel_value_sat.is_none() {
+ println!("ERROR: openchannel has 2 required arguments: `openchannel pubkey@host:port channel_amt_satoshis` [--public]");
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+ let peer_pubkey_and_ip_addr = peer_pubkey_and_ip_addr.unwrap();
+ let (pubkey, peer_addr) =
+ match parse_peer_info(peer_pubkey_and_ip_addr.to_string()) {
+ Ok(info) => info,
+ Err(e) => {
+ println!("{:?}", e.into_inner().unwrap());
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+ };
+
+ let chan_amt_sat: Result<u64, _> = channel_value_sat.unwrap().parse();
+ if chan_amt_sat.is_err() {
+ println!("ERROR: channel amount must be a number");
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+
+ if connect_peer_if_necessary(
+ pubkey,
+ peer_addr,
+ peer_manager.clone(),
+ event_notifier.clone(),
+ )
+ .await
+ .is_err()
+ {
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ };
+
+ let announce_channel = match words.next() {
+ Some("--public") | Some("--public=true") => true,
+ Some("--public=false") => false,
+ Some(_) => {
+ println!("ERROR: invalid `--public` command format. Valid formats: `--public`, `--public=true` `--public=false`");
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+ None => false,
+ };
+
+ if open_channel(
+ pubkey,
+ chan_amt_sat.unwrap(),
+ announce_channel,
+ channel_manager.clone(),
+ )
+ .is_ok()
+ {
+ let peer_data_path = format!("{}/channel_peer_data", ldk_data_dir.clone());
+ let _ = disk::persist_channel_peer(
+ Path::new(&peer_data_path),
+ peer_pubkey_and_ip_addr,
+ );
+ }
+ }
+ "sendpayment" => {
+ let invoice_str = words.next();
+ if invoice_str.is_none() {
+ println!("ERROR: sendpayment requires an invoice: `sendpayment <invoice>`");
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+
+ let invoice = match Invoice::from_str(invoice_str.unwrap()) {
+ Ok(inv) => inv,
+ Err(e) => {
+ println!("ERROR: invalid invoice: {:?}", e);
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+ };
+ let mut route_hints = invoice.routes().clone();
+ let mut last_hops = Vec::new();
+ for hint in route_hints.drain(..) {
+ last_hops.push(hint[hint.len() - 1].clone());
+ }
+
+ let amt_pico_btc = invoice.amount_pico_btc();
+ if amt_pico_btc.is_none() {
+ println!("ERROR: invalid invoice: must contain amount to pay");
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+ let amt_msat = amt_pico_btc.unwrap() / 10;
+
+ let payee_pubkey = invoice.recover_payee_pub_key();
+ let final_cltv = invoice.min_final_cltv_expiry() as u32;
+
+ let mut payment_hash = PaymentHash([0; 32]);
+ payment_hash.0.copy_from_slice(&invoice.payment_hash().as_ref()[0..32]);
+
+ let payment_secret = match invoice.payment_secret() {
+ Some(secret) => {
+ let mut payment_secret = PaymentSecret([0; 32]);
+ payment_secret.0.copy_from_slice(&secret.0);
+ Some(payment_secret)
+ }
+ None => None,
+ };
+
+ let invoice_features = match invoice.features() {
+ Some(feat) => Some(feat.clone()),
+ None => None,
+ };
+
+ send_payment(
+ payee_pubkey,
+ amt_msat,
+ final_cltv,
+ payment_hash,
+ payment_secret,
+ invoice_features,
+ last_hops,
+ router.clone(),
+ channel_manager.clone(),
+ outbound_payments.clone(),
+ logger.clone(),
+ );
+ }
+ "getinvoice" => {
+ let amt_str = words.next();
+ if amt_str.is_none() {
+ println!("ERROR: getinvoice requires an amount in millisatoshis");
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+
+ let amt_msat: Result<u64, _> = amt_str.unwrap().parse();
+ if amt_msat.is_err() {
+ println!("ERROR: getinvoice provided payment amount was not a number");
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+ get_invoice(
+ amt_msat.unwrap(),
+ inbound_payments.clone(),
+ channel_manager.clone(),
+ keys_manager.clone(),
+ network,
+ );
+ }
+ "connectpeer" => {
+ let peer_pubkey_and_ip_addr = words.next();
+ if peer_pubkey_and_ip_addr.is_none() {
+ println!("ERROR: connectpeer requires peer connection info: `connectpeer pubkey@host:port`");
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+ let (pubkey, peer_addr) =
+ match parse_peer_info(peer_pubkey_and_ip_addr.unwrap().to_string()) {
+ Ok(info) => info,
+ Err(e) => {
+ println!("{:?}", e.into_inner().unwrap());
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+ };
+ if connect_peer_if_necessary(
+ pubkey,
+ peer_addr,
+ peer_manager.clone(),
+ event_notifier.clone(),
+ )
+ .await
+ .is_ok()
+ {
+ println!("SUCCESS: connected to peer {}", pubkey);
+ }
+ }
+ "listchannels" => list_channels(channel_manager.clone()),
+ "listpayments" => {
+ list_payments(inbound_payments.clone(), outbound_payments.clone())
+ }
+ "closechannel" => {
+ let channel_id_str = words.next();
+ if channel_id_str.is_none() {
+ println!("ERROR: closechannel requires a channel ID: `closechannel <channel_id>`");
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+ let channel_id_vec = hex_utils::to_vec(channel_id_str.unwrap());
+ if channel_id_vec.is_none() {
+ println!("ERROR: couldn't parse channel_id as hex");
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+ let mut channel_id = [0; 32];
+ channel_id.copy_from_slice(&channel_id_vec.unwrap());
+ close_channel(channel_id, channel_manager.clone());
+ }
+ "forceclosechannel" => {
+ let channel_id_str = words.next();
+ if channel_id_str.is_none() {
+ println!("ERROR: forceclosechannel requires a channel ID: `forceclosechannel <channel_id>`");
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+ let channel_id_vec = hex_utils::to_vec(channel_id_str.unwrap());
+ if channel_id_vec.is_none() {
+ println!("ERROR: couldn't parse channel_id as hex");
+ print!("> ");
+ io::stdout().flush().unwrap();
+ continue;
+ }
+ let mut channel_id = [0; 32];
+ channel_id.copy_from_slice(&channel_id_vec.unwrap());
+ force_close_channel(channel_id, channel_manager.clone());
+ }
+ "nodeinfo" => node_info(channel_manager.clone(), peer_manager.clone()),
+ "listpeers" => list_peers(peer_manager.clone()),
+ _ => println!("Unknown command. See `\"help\" for available commands."),
+ }
+ }
+ print!("> ");
+ io::stdout().flush().unwrap();
+ }
}
fn help() {
- println!("openchannel pubkey@host:port channel_amt_satoshis");
- println!("sendpayment <invoice>");
- println!("getinvoice <amt_in_satoshis>");
- println!("connectpeer pubkey@host:port");
- println!("listchannels");
- println!("listpayments");
- println!("closechannel <channel_id>");
- println!("forceclosechannel <channel_id>");
+ println!("openchannel pubkey@host:port <channel_amt_satoshis>");
+ println!("sendpayment <invoice>");
+ println!("getinvoice <amt_in_millisatoshis>");
+ println!("connectpeer pubkey@host:port");
+ println!("listchannels");
+ println!("listpayments");
+ println!("closechannel <channel_id>");
+ println!("forceclosechannel <channel_id>");
}
-fn list_channels(channel_manager: Arc<ChannelManager>) {
- print!("[");
- for chan_info in channel_manager.list_channels() {
- println!("");
- println!("\t{{");
- println!("\t\tchannel_id: {},", hex_utils::hex_str(&chan_info.channel_id[..]));
- println!("\t\tpeer_pubkey: {},", hex_utils::hex_str(&chan_info.remote_network_id.serialize()));
- let mut pending_channel = false;
- match chan_info.short_channel_id {
- Some(id) => println!("\t\tshort_channel_id: {},", id),
- None => {
- pending_channel = true;
- }
- }
- println!("\t\tpending_open: {},", pending_channel);
- println!("\t\tchannel_value_satoshis: {},", chan_info.channel_value_satoshis);
- println!("\t\tchannel_can_send_payments: {},", chan_info.is_live);
- println!("\t}},");
- }
- println!("]");
+fn node_info(channel_manager: Arc<ChannelManager>, peer_manager: Arc<PeerManager>) {
+ println!("\t{{");
+ println!("\t\t node_pubkey: {}", channel_manager.get_our_node_id());
+ println!("\t\t num_channels: {}", channel_manager.list_channels().len());
+ println!("\t\t num_usable_channels: {}", channel_manager.list_usable_channels().len());
+ println!("\t\t num_peers: {}", peer_manager.get_peer_node_ids().len());
+ println!("\t}},");
}
-fn list_payments(payment_storage: PaymentInfoStorage) {
- let payments = payment_storage.lock().unwrap();
- print!("[");
- for (payment_hash, payment_info) in payments.deref() {
- println!("");
- println!("\t{{");
- println!("\t\tpayment_hash: {},", hex_utils::hex_str(&payment_hash.0));
- println!("\t\thtlc_direction: {},", if payment_info.1 == HTLCDirection::Inbound { "inbound" } else { "outbound" });
- println!("\t\thtlc_status: {},", match payment_info.2 {
- HTLCStatus::Pending => "pending",
- HTLCStatus::Succeeded => "succeeded",
- HTLCStatus::Failed => "failed"
- });
-
-
- println!("\t}},");
- }
- println!("]");
+fn list_peers(peer_manager: Arc<PeerManager>) {
+ println!("\t{{");
+ for pubkey in peer_manager.get_peer_node_ids() {
+ println!("\t\t pubkey: {}", pubkey);
+ }
+ println!("\t}},");
+}
+
+fn list_channels(channel_manager: Arc<ChannelManager>) {
+ print!("[");
+ for chan_info in channel_manager.list_channels() {
+ println!("");
+ println!("\t{{");
+ println!("\t\tchannel_id: {},", hex_utils::hex_str(&chan_info.channel_id[..]));
+ println!(
+ "\t\tpeer_pubkey: {},",
+ hex_utils::hex_str(&chan_info.remote_network_id.serialize())
+ );
+ let mut pending_channel = false;
+ match chan_info.short_channel_id {
+ Some(id) => println!("\t\tshort_channel_id: {},", id),
+ None => {
+ pending_channel = true;
+ }
+ }
+ println!("\t\tpending_open: {},", pending_channel);
+ println!("\t\tchannel_value_satoshis: {},", chan_info.channel_value_satoshis);
+ println!("\t\tchannel_can_send_payments: {},", chan_info.is_usable);
+ println!("\t}},");
+ }
+ println!("]");
}
-pub(crate) fn connect_peer_if_necessary(pubkey: PublicKey, peer_addr: SocketAddr, peer_manager:
- Arc<PeerManager>, event_notifier: mpsc::Sender<()>, runtime: Handle) ->
- Result<(), ()> {
- for node_pubkey in peer_manager.get_peer_node_ids() {
- if node_pubkey == pubkey {
- return Ok(())
- }
- }
- match TcpStream::connect_timeout(&peer_addr, Duration::from_secs(10)) {
- Ok(stream) => {
- let peer_mgr = peer_manager.clone();
- let event_ntfns = event_notifier.clone();
- runtime.spawn(async move {
- lightning_net_tokio::setup_outbound(peer_mgr, event_ntfns, pubkey, stream).await;
- });
- let mut peer_connected = false;
- while !peer_connected {
- for node_pubkey in peer_manager.get_peer_node_ids() {
- if node_pubkey == pubkey { peer_connected = true; }
- }
- }
- },
- Err(e) => {println!("ERROR: failed to connect to peer: {:?}", e);
- return Err(())
- }
- }
- Ok(())
+fn list_payments(inbound_payments: PaymentInfoStorage, outbound_payments: PaymentInfoStorage) {
+ let inbound = inbound_payments.lock().unwrap();
+ let outbound = outbound_payments.lock().unwrap();
+ print!("[");
+ for (payment_hash, payment_info) in inbound.deref() {
+ println!("");
+ println!("\t{{");
+ println!("\t\tamount_millisatoshis: {},", payment_info.amt_msat);
+ println!("\t\tpayment_hash: {},", hex_utils::hex_str(&payment_hash.0));
+ println!("\t\thtlc_direction: inbound,");
+ println!(
+ "\t\thtlc_status: {},",
+ match payment_info.status {
+ HTLCStatus::Pending => "pending",
+ HTLCStatus::Succeeded => "succeeded",
+ HTLCStatus::Failed => "failed",
+ }
+ );
+
+ println!("\t}},");
+ }
+
+ for (payment_hash, payment_info) in outbound.deref() {
+ println!("");
+ println!("\t{{");
+ println!("\t\tamount_millisatoshis: {},", payment_info.amt_msat);
+ println!("\t\tpayment_hash: {},", hex_utils::hex_str(&payment_hash.0));
+ println!("\t\thtlc_direction: outbound,");
+ println!(
+ "\t\thtlc_status: {},",
+ match payment_info.status {
+ HTLCStatus::Pending => "pending",
+ HTLCStatus::Succeeded => "succeeded",
+ HTLCStatus::Failed => "failed",
+ }
+ );
+
+ println!("\t}},");
+ }
+ println!("]");
}
-fn open_channel(peer_pubkey: PublicKey, channel_amt_sat: u64, channel_manager: Arc<ChannelManager>)
- -> Result<(), ()> {
- let mut config = UserConfig::default();
- // lnd's max to_self_delay is 2016, so we want to be compatible.
- config.peer_channel_config_limits.their_to_self_delay = 2016;
- match channel_manager.create_channel(peer_pubkey, channel_amt_sat, 0, 0, None) {
- Ok(_) => {
- println!("EVENT: initiated channel with peer {}. ", peer_pubkey);
- return Ok(())
- },
- Err(e) => {
- println!("ERROR: failed to open channel: {:?}", e);
- return Err(())
- }
- }
+pub(crate) async fn connect_peer_if_necessary(
+ pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc<PeerManager>,
+ event_notifier: mpsc::Sender<()>,
+) -> Result<(), ()> {
+ for node_pubkey in peer_manager.get_peer_node_ids() {
+ if node_pubkey == pubkey {
+ return Ok(());
+ }
+ }
+ match lightning_net_tokio::connect_outbound(
+ Arc::clone(&peer_manager),
+ event_notifier,
+ pubkey,
+ peer_addr,
+ )
+ .await
+ {
+ Some(conn_closed_fut) => {
+ let mut closed_fut_box = Box::pin(conn_closed_fut);
+ let mut peer_connected = false;
+ while !peer_connected {
+ match futures::poll!(&mut closed_fut_box) {
+ std::task::Poll::Ready(_) => {
+ println!("ERROR: Peer disconnected before we finished the handshake");
+ return Err(());
+ }
+ std::task::Poll::Pending => {}
+ }
+ for node_pubkey in peer_manager.get_peer_node_ids() {
+ if node_pubkey == pubkey {
+ peer_connected = true;
+ }
+ }
+ // Avoid blocking the tokio context by sleeping a bit
+ tokio::time::sleep(Duration::from_millis(10)).await;
+ }
+ }
+ None => {
+ println!("ERROR: failed to connect to peer");
+ return Err(());
+ }
+ }
+ Ok(())
}
-fn send_payment(payee: PublicKey, amt_msat: u64, final_cltv: u32, payment_hash: PaymentHash,
- payment_secret: Option<PaymentSecret>, payee_features:
- Option<InvoiceFeatures>, router: Arc<NetGraphMsgHandler<Arc<dyn
- chain::Access>, Arc<FilesystemLogger>>>, channel_manager:
- Arc<ChannelManager>, payment_storage: PaymentInfoStorage, logger:
- Arc<FilesystemLogger>) {
- let network_graph = router.network_graph.read().unwrap();
- let first_hops = channel_manager.list_usable_channels();
- let payer_pubkey = channel_manager.get_our_node_id();
-
- let route = router::get_route(&payer_pubkey, &network_graph, &payee, payee_features,
- Some(&first_hops.iter().collect::<Vec<_>>()), &vec![], amt_msat,
- final_cltv, logger);
- if let Err(e) = route {
- println!("ERROR: failed to find route: {}", e.err);
- return
- }
- let status = match channel_manager.send_payment(&route.unwrap(), payment_hash, &payment_secret) {
- Ok(()) => {
- println!("EVENT: initiated sending {} msats to {}", amt_msat, payee);
- HTLCStatus::Pending
- },
- Err(e) => {
- println!("ERROR: failed to send payment: {:?}", e);
- HTLCStatus::Failed
- }
- };
- let mut payments = payment_storage.lock().unwrap();
- payments.insert(payment_hash, (None, HTLCDirection::Outbound, status));
+fn open_channel(
+ peer_pubkey: PublicKey, channel_amt_sat: u64, announce_channel: bool,
+ channel_manager: Arc<ChannelManager>,
+) -> Result<(), ()> {
+ let mut config = UserConfig::default();
+ if announce_channel {
+ config.channel_options.announced_channel = true;
+ }
+ // lnd's max to_self_delay is 2016, so we want to be compatible.
+ config.peer_channel_config_limits.their_to_self_delay = 2016;
+ match channel_manager.create_channel(peer_pubkey, channel_amt_sat, 0, 0, None) {
+ Ok(_) => {
+ println!("EVENT: initiated channel with peer {}. ", peer_pubkey);
+ return Ok(());
+ }
+ Err(e) => {
+ println!("ERROR: failed to open channel: {:?}", e);
+ return Err(());
+ }
+ }
}
-fn get_invoice(amt_sat: u64, payment_storage: PaymentInfoStorage, our_node_privkey: SecretKey,
- channel_manager: Arc<ChannelManager>, router: Arc<NetGraphMsgHandler<Arc<dyn
- chain::Access>, Arc<FilesystemLogger>>>) {
- let mut payments = payment_storage.lock().unwrap();
- let secp_ctx = Secp256k1::new();
-
- let mut preimage = [0; 32];
- rand::thread_rng().fill_bytes(&mut preimage);
- let payment_hash = Sha256Hash::hash(&preimage);
-
-
- let our_node_pubkey = channel_manager.get_our_node_id();
- let invoice = lightning_invoice::InvoiceBuilder::new(match NETWORK {
- Network::Bitcoin => lightning_invoice::Currency::Bitcoin,
- Network::Testnet => lightning_invoice::Currency::BitcoinTestnet,
- Network::Regtest => lightning_invoice::Currency::Regtest,
- Network::Signet => panic!("Signet invoices not supported")
- }).payment_hash(payment_hash).description("rust-lightning-bitcoinrpc invoice".to_string())
- .amount_pico_btc(amt_sat * 10)
- .current_timestamp()
- .payee_pub_key(our_node_pubkey);
-
- // Add route hints to the invoice.
- // let our_channels = channel_manager.list_usable_channels();
- // let network_graph = router.network_graph.read().unwrap();
- // let network_channels = network_graph.get_channels();
- // for channel in our_channels {
- // let short_channel_id_opt = channel.short_channel_id;
- // if short_channel_id_opt.is_none() {
- // continue
- // }
-
- // let short_channel_id = short_channel_id_opt.unwrap();
- // let channel_routing_info_opt = network_channels.get(&short_channel_id);
- // if channel_routing_info_opt.is_none() {
- // continue
- // }
-
- // let channel_routing_info = channel_routing_info_opt.unwrap();
- // let mut counterparty = channel_routing_info.node_two;
- // let mut counterparty_chan_fees_opt = channel_routing_info.one_to_two.as_ref();
- // if channel_routing_info.node_two != our_node_pubkey { // e.g. if our counterparty is node_one
- // counterparty = channel_routing_info.node_one;
- // counterparty_chan_fees_opt = channel_routing_info.two_to_one.as_ref();
- // }
- // if counterparty_chan_fees_opt.is_none() {
- // continue
- // }
-
- // let counterparty_chan_fees = counterparty_chan_fees_opt.unwrap();
- // invoice = invoice.route(vec![
- // lightning_invoice::RouteHop {
- // short_channel_id: short_channel_id.to_be_bytes(),
- // cltv_expiry_delta: counterparty_chan_fees.cltv_expiry_delta,
- // fee_base_msat: counterparty_chan_fees.fees.base_msat,
- // fee_proportional_millionths: counterparty_chan_fees.fees.proportional_millionths,
- // pubkey: counterparty,
- // }
- // ]);
- // }
-
- // Sign the invoice.
- let invoice = invoice.build_signed(|msg_hash| {
- secp_ctx.sign_recoverable(msg_hash, &our_node_privkey)
- });
-
- match invoice {
- Ok(invoice) => println!("SUCCESS: generated invoice: {}", invoice),
- Err(e) => println!("ERROR: failed to create invoice: {:?}", e),
+fn send_payment(
+ payee: PublicKey, amt_msat: u64, final_cltv: u32, payment_hash: PaymentHash,
+ payment_secret: Option<PaymentSecret>, payee_features: Option<InvoiceFeatures>,
+ route_hints: Vec<RouteHintHop>,
+ router: Arc<NetGraphMsgHandler<Arc<dyn chain::Access + Send + Sync>, Arc<FilesystemLogger>>>,
+ channel_manager: Arc<ChannelManager>, payment_storage: PaymentInfoStorage,
+ logger: Arc<FilesystemLogger>,
+) {
+ let network_graph = router.network_graph.read().unwrap();
+ let first_hops = channel_manager.list_usable_channels();
+ let payer_pubkey = channel_manager.get_our_node_id();
+
+ let route = router::get_route(
+ &payer_pubkey,
+ &network_graph,
+ &payee,
+ payee_features,
+ Some(&first_hops.iter().collect::<Vec<_>>()),
+ &route_hints.iter().collect::<Vec<_>>(),
+ amt_msat,
+ final_cltv,
+ logger,
+ );
+ if let Err(e) = route {
+ println!("ERROR: failed to find route: {}", e.err);
+ return;
+ }
+ let status = match channel_manager.send_payment(&route.unwrap(), payment_hash, &payment_secret)
+ {
+ Ok(()) => {
+ println!("EVENT: initiated sending {} msats to {}", amt_msat, payee);
+ HTLCStatus::Pending
}
+ Err(e) => {
+ println!("ERROR: failed to send payment: {:?}", e);
+ HTLCStatus::Failed
+ }
+ };
+ let mut payments = payment_storage.lock().unwrap();
+ payments.insert(
+ payment_hash,
+ PaymentInfo {
+ preimage: None,
+ secret: payment_secret,
+ status,
+ amt_msat: MillisatAmount(Some(amt_msat)),
+ },
+ );
+}
- payments.insert(PaymentHash(payment_hash.into_inner()), (Some(PaymentPreimage(preimage)),
- HTLCDirection::Inbound,
- HTLCStatus::Pending));
+fn get_invoice(
+ amt_msat: u64, payment_storage: PaymentInfoStorage, channel_manager: Arc<ChannelManager>,
+ keys_manager: Arc<KeysManager>, network: Network,
+) {
+ let mut payments = payment_storage.lock().unwrap();
+ let currency = match network {
+ Network::Bitcoin => Currency::Bitcoin,
+ Network::Testnet => Currency::BitcoinTestnet,
+ Network::Regtest => Currency::Regtest,
+ Network::Signet => panic!("Signet unsupported"),
+ };
+ let invoice = match utils::create_invoice_from_channelmanager(
+ &channel_manager,
+ keys_manager,
+ currency,
+ Some(amt_msat),
+ "ldk-tutorial-node".to_string(),
+ ) {
+ Ok(inv) => {
+ println!("SUCCESS: generated invoice: {}", inv);
+ inv
+ }
+ Err(e) => {
+ println!("ERROR: failed to create invoice: {:?}", e);
+ return;
+ }
+ };
+
+ let mut payment_hash = PaymentHash([0; 32]);
+ payment_hash.0.copy_from_slice(&invoice.payment_hash().as_ref()[0..32]);
+ payments.insert(
+ payment_hash,
+ PaymentInfo {
+ preimage: None,
+ // We can't add payment secrets to invoices until we support features in invoices.
+ // Otherwise lnd errors with "destination hop doesn't understand payment addresses"
+ // (for context, lnd calls payment secrets "payment addresses").
+ secret: Some(invoice.payment_secret().unwrap().clone()),
+ status: HTLCStatus::Pending,
+ amt_msat: MillisatAmount(Some(amt_msat)),
+ },
+ );
}
fn close_channel(channel_id: [u8; 32], channel_manager: Arc<ChannelManager>) {
- match channel_manager.close_channel(&channel_id) {
- Ok(()) => println!("EVENT: initiating channel close"),
- Err(e) => println!("ERROR: failed to close channel: {:?}", e)
- }
+ match channel_manager.close_channel(&channel_id) {
+ Ok(()) => println!("EVENT: initiating channel close"),
+ Err(e) => println!("ERROR: failed to close channel: {:?}", e),
+ }
}
fn force_close_channel(channel_id: [u8; 32], channel_manager: Arc<ChannelManager>) {
- match channel_manager.force_close_channel(&channel_id) {
- Ok(()) => println!("EVENT: initiating channel force-close"),
- Err(e) => println!("ERROR: failed to force-close channel: {:?}", e)
- }
+ match channel_manager.force_close_channel(&channel_id) {
+ Ok(()) => println!("EVENT: initiating channel force-close"),
+ Err(e) => println!("ERROR: failed to force-close channel: {:?}", e),
+ }
}
-pub(crate) fn parse_peer_info(peer_pubkey_and_ip_addr: String) -> Result<(PublicKey, SocketAddr), std::io::Error> {
- let mut pubkey_and_addr = peer_pubkey_and_ip_addr.split("@");
- let pubkey = pubkey_and_addr.next();
- let peer_addr_str = pubkey_and_addr.next();
- if peer_addr_str.is_none() || peer_addr_str.is_none() {
- return Err(std::io::Error::new(std::io::ErrorKind::Other, "ERROR: incorrectly formatted peer
- info. Should be formatted as: `pubkey@host:port`"));
- }
-
- let peer_addr: Result<SocketAddr, _> = peer_addr_str.unwrap().parse();
- if peer_addr.is_err() {
- return Err(std::io::Error::new(std::io::ErrorKind::Other, "ERROR: couldn't parse pubkey@host:port into a socket address"));
- }
-
- let pubkey = hex_utils::to_compressed_pubkey(pubkey.unwrap());
- if pubkey.is_none() {
- return Err(std::io::Error::new(std::io::ErrorKind::Other, "ERROR: unable to parse given pubkey for node"));
- }
-
- Ok((pubkey.unwrap(), peer_addr.unwrap()))
+pub(crate) fn parse_peer_info(
+ peer_pubkey_and_ip_addr: String,
+) -> Result<(PublicKey, SocketAddr), std::io::Error> {
+ let mut pubkey_and_addr = peer_pubkey_and_ip_addr.split("@");
+ let pubkey = pubkey_and_addr.next();
+ let peer_addr_str = pubkey_and_addr.next();
+ if peer_addr_str.is_none() || peer_addr_str.is_none() {
+ return Err(std::io::Error::new(
+ std::io::ErrorKind::Other,
+ "ERROR: incorrectly formatted peer info. Should be formatted as: `pubkey@host:port`",
+ ));
+ }
+
+ let peer_addr = peer_addr_str.unwrap().to_socket_addrs().map(|mut r| r.next());
+ if peer_addr.is_err() || peer_addr.as_ref().unwrap().is_none() {
+ return Err(std::io::Error::new(
+ std::io::ErrorKind::Other,
+ "ERROR: couldn't parse pubkey@host:port into a socket address",
+ ));
+ }
+
+ let pubkey = hex_utils::to_compressed_pubkey(pubkey.unwrap());
+ if pubkey.is_none() {
+ return Err(std::io::Error::new(
+ std::io::ErrorKind::Other,
+ "ERROR: unable to parse given pubkey for node",
+ ));
+ }
+
+ Ok((pubkey.unwrap(), peer_addr.unwrap().unwrap()))
}
projects / ldk-sample / blobdiff