use crate::disk;
use crate::hex_utils;
use crate::{
- ChannelManager, FilesystemLogger, HTLCStatus, MillisatAmount, PaymentInfo, PaymentInfoStorage,
- PeerManager,
+ ChannelManager, FilesystemLogger, HTLCStatus, InvoicePayer, MillisatAmount, PaymentInfo,
+ PaymentInfoStorage, PeerManager,
};
use bitcoin::hashes::Hash;
use bitcoin::network::constants::Network;
use bitcoin::secp256k1::key::PublicKey;
-use lightning::chain;
-use lightning::chain::keysinterface::KeysManager;
-use lightning::ln::features::InvoiceFeatures;
+use lightning::chain::keysinterface::{KeysInterface, KeysManager};
use lightning::ln::msgs::NetAddress;
-use lightning::ln::{PaymentHash, PaymentSecret};
-use lightning::routing::network_graph::NetGraphMsgHandler;
+use lightning::ln::PaymentHash;
+use lightning::routing::network_graph::NetworkGraph;
use lightning::routing::router;
-use lightning::routing::router::RouteHint;
+use lightning::routing::router::{Payee, RouteParameters};
+use lightning::routing::scorer::Scorer;
use lightning::util::config::{ChannelConfig, ChannelHandshakeLimits, UserConfig};
+use lightning::util::events::EventHandler;
+use lightning_invoice::payment::PaymentError;
use lightning_invoice::{utils, Currency, Invoice};
use std::env;
use std::io;
use std::ops::Deref;
use std::path::Path;
use std::str::FromStr;
-use std::sync::Arc;
+use std::sync::{Arc, Mutex};
use std::time::Duration;
pub(crate) struct LdkUserInfo {
pub(crate) bitcoind_rpc_host: String,
pub(crate) ldk_storage_dir_path: String,
pub(crate) ldk_peer_listening_port: u16,
- pub(crate) ldk_announced_listen_addr: Option<NetAddress>,
+ pub(crate) ldk_announced_listen_addr: Vec<NetAddress>,
pub(crate) ldk_announced_node_name: [u8; 32],
pub(crate) network: Network,
}
pub(crate) fn parse_startup_args() -> Result<LdkUserInfo, ()> {
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] [announced-listen-addr announced-node-name]`");
+ 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] [announced-node-name announced-listen-addr*]`");
return Err(());
}
let bitcoind_rpc_info = env::args().skip(1).next().unwrap();
- let bitcoind_rpc_info_parts: Vec<&str> = bitcoind_rpc_info.split("@").collect();
+ let bitcoind_rpc_info_parts: Vec<&str> = bitcoind_rpc_info.rsplitn(2, "@").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();
+ let rpc_user_and_password: Vec<&str> = bitcoind_rpc_info_parts[1].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();
+ let bitcoind_rpc_path: Vec<&str> = bitcoind_rpc_info_parts[0].split(":").collect();
if bitcoind_rpc_path.len() != 2 {
println!("ERROR: bad bitcoind RPC path provided");
return Err(());
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),
+ Some(Err(_)) => {
+ ldk_peer_port_set = false;
+ 9735
+ }
None => {
ldk_peer_port_set = false;
9735
}
};
- let arg_idx = match ldk_peer_port_set {
+ let mut 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`"),
+ Some(net) => {
+ panic!("Unsupported network provided. Options are: `regtest`, `testnet`. Got {}", net);
+ }
None => Network::Testnet,
};
- let ldk_announced_listen_addr = match env::args().skip(arg_idx + 1).next().as_ref() {
- Some(s) => match IpAddr::from_str(s) {
- Ok(IpAddr::V4(a)) => {
- Some(NetAddress::IPv4 { addr: a.octets(), port: ldk_peer_listening_port })
- }
- Ok(IpAddr::V6(a)) => {
- Some(NetAddress::IPv6 { addr: a.octets(), port: ldk_peer_listening_port })
- }
- Err(_) => panic!("Failed to parse announced-listen-addr into an IP address"),
- },
- None => None,
- };
-
- let ldk_announced_node_name = match env::args().skip(arg_idx + 2).next().as_ref() {
+ let ldk_announced_node_name = match env::args().skip(arg_idx + 1).next().as_ref() {
Some(s) => {
if s.len() > 32 {
panic!("Node Alias can not be longer than 32 bytes");
}
+ arg_idx += 1;
let mut bytes = [0; 32];
bytes[..s.len()].copy_from_slice(s.as_bytes());
bytes
None => [0; 32],
};
+ let mut ldk_announced_listen_addr = Vec::new();
+ loop {
+ match env::args().skip(arg_idx + 1).next().as_ref() {
+ Some(s) => match IpAddr::from_str(s) {
+ Ok(IpAddr::V4(a)) => {
+ ldk_announced_listen_addr
+ .push(NetAddress::IPv4 { addr: a.octets(), port: ldk_peer_listening_port });
+ arg_idx += 1;
+ }
+ Ok(IpAddr::V6(a)) => {
+ ldk_announced_listen_addr
+ .push(NetAddress::IPv6 { addr: a.octets(), port: ldk_peer_listening_port });
+ arg_idx += 1;
+ }
+ Err(_) => panic!("Failed to parse announced-listen-addr into an IP address"),
+ },
+ None => break,
+ }
+ }
+
Ok(LdkUserInfo {
bitcoind_rpc_username,
bitcoind_rpc_password,
})
}
-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>>>,
+pub(crate) async fn poll_for_user_input<E: EventHandler>(
+ invoice_payer: Arc<InvoicePayer<E>>, peer_manager: Arc<PeerManager>,
+ channel_manager: Arc<ChannelManager>, keys_manager: Arc<KeysManager>,
+ network_graph: Arc<NetworkGraph>, scorer: Arc<Mutex<Scorer>>,
inbound_payments: PaymentInfoStorage, outbound_payments: PaymentInfoStorage,
ldk_data_dir: String, logger: Arc<FilesystemLogger>, network: Network,
) {
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 line = line.unwrap();
+ let mut line_reader = stdin.lock().lines();
+ loop {
+ print!("> ");
+ io::stdout().flush().unwrap(); // Without flushing, the `>` doesn't print
+ let line = match line_reader.next() {
+ Some(l) => l.unwrap(),
+ None => break,
+ };
let mut words = line.split_whitespace();
if let Some(word) = words.next() {
match word {
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();
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;
}
.await
.is_err()
{
- print!("> ");
- io::stdout().flush().unwrap();
continue;
};
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,
let invoice_str = words.next();
if invoice_str.is_none() {
println!("ERROR: sendpayment requires an invoice: `sendpayment <invoice>`");
- print!("> ");
- io::stdout().flush().unwrap();
continue;
}
Ok(inv) => inv,
Err(e) => {
println!("ERROR: invalid invoice: {:?}", e);
- print!("> ");
- io::stdout().flush().unwrap();
continue;
}
};
- let last_hops = invoice.route_hints();
-
- 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 payment_hash = PaymentHash(invoice.payment_hash().clone().into_inner());
- let payment_secret = invoice.payment_secret().cloned();
- let invoice_features = invoice.features().cloned();
+ send_payment(&*invoice_payer, &invoice, outbound_payments.clone());
+ }
+ "keysend" => {
+ let dest_pubkey = match words.next() {
+ Some(dest) => match hex_utils::to_compressed_pubkey(dest) {
+ Some(pk) => pk,
+ None => {
+ println!("ERROR: couldn't parse destination pubkey");
+ continue;
+ }
+ },
+ None => {
+ println!("ERROR: keysend requires a destination pubkey: `keysend <dest_pubkey> <amt_msat>`");
+ continue;
+ }
+ };
+ let amt_msat_str = match words.next() {
+ Some(amt) => amt,
+ None => {
+ println!("ERROR: keysend requires an amount in millisatoshis: `keysend <dest_pubkey> <amt_msat>`");
- send_payment(
- payee_pubkey,
+ continue;
+ }
+ };
+ let amt_msat: u64 = match amt_msat_str.parse() {
+ Ok(amt) => amt,
+ Err(e) => {
+ println!("ERROR: couldn't parse amount_msat: {}", e);
+ continue;
+ }
+ };
+ keysend(
+ dest_pubkey,
amt_msat,
- final_cltv,
- payment_hash,
- payment_secret,
- invoice_features,
- last_hops,
- router.clone(),
+ network_graph.clone(),
channel_manager.clone(),
outbound_payments.clone(),
logger.clone(),
+ scorer.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(
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) =
Ok(info) => info,
Err(e) => {
println!("{:?}", e.into_inner().unwrap());
- print!("> ");
- io::stdout().flush().unwrap();
continue;
}
};
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];
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];
}
"nodeinfo" => node_info(channel_manager.clone(), peer_manager.clone()),
"listpeers" => list_peers(peer_manager.clone()),
+ "signmessage" => {
+ const MSG_STARTPOS: usize = "signmsg".len() + 1;
+ if line.as_bytes().len() <= MSG_STARTPOS {
+ println!("ERROR: signmsg requires a message");
+ continue;
+ }
+ println!(
+ "{:?}",
+ lightning::util::message_signing::sign(
+ &line.as_bytes()[MSG_STARTPOS..],
+ &keys_manager.get_node_secret()
+ )
+ );
+ }
_ => println!("Unknown command. See `\"help\" for available commands."),
}
}
- print!("> ");
- io::stdout().flush().unwrap();
}
}
println!("forceclosechannel <channel_id>");
println!("nodeinfo");
println!("listpeers");
+ println!("signmessage <message>");
}
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());
+ let chans = channel_manager.list_channels();
+ println!("\t\t num_channels: {}", chans.len());
+ println!("\t\t num_usable_channels: {}", chans.iter().filter(|c| c.is_usable).count());
+ let local_balance_msat = chans
+ .iter()
+ .map(|c| c.unspendable_punishment_reserve.unwrap_or(0) * 1000 + c.outbound_capacity_msat)
+ .sum::<u64>();
+ println!("\t\t local_balance_msat: {}", local_balance_msat);
println!("\t\t num_peers: {}", peer_manager.get_peer_node_ids().len());
println!("\t}},");
}
}
println!("\t\tis_confirmed_onchain: {},", chan_info.is_funding_locked);
println!("\t\tchannel_value_satoshis: {},", chan_info.channel_value_satoshis);
+ println!(
+ "\t\tlocal_balance_msat: {},",
+ chan_info.outbound_capacity_msat
+ + chan_info.unspendable_punishment_reserve.unwrap_or(0) * 1000
+ );
if chan_info.is_usable {
println!("\t\tavailable_balance_for_send_msat: {},", chan_info.outbound_capacity_msat);
println!("\t\tavailable_balance_for_recv_msat: {},", chan_info.inbound_capacity_msat);
return Ok(());
}
}
+ let res = do_connect_peer(pubkey, peer_addr, peer_manager).await;
+ if res.is_err() {
+ println!("ERROR: failed to connect to peer");
+ }
+ res
+}
+
+pub(crate) async fn do_connect_peer(
+ pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc<PeerManager>,
+) -> Result<(), ()> {
match lightning_net_tokio::connect_outbound(Arc::clone(&peer_manager), pubkey, peer_addr).await
{
Some(connection_closed_future) => {
loop {
match futures::poll!(&mut connection_closed_future) {
std::task::Poll::Ready(_) => {
- println!("ERROR: Peer disconnected before we finished the handshake");
return Err(());
}
std::task::Poll::Pending => {}
}
// Avoid blocking the tokio context by sleeping a bit
match peer_manager.get_peer_node_ids().iter().find(|id| **id == pubkey) {
- Some(_) => break,
+ Some(_) => return Ok(()),
None => tokio::time::sleep(Duration::from_millis(10)).await,
}
}
}
- None => {
- println!("ERROR: failed to connect to peer");
- return Err(());
- }
+ None => Err(()),
}
- Ok(())
}
fn open_channel(
}
}
-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<&RouteHint>,
- router: Arc<NetGraphMsgHandler<Arc<dyn chain::Access + Send + Sync>, Arc<FilesystemLogger>>>,
+fn send_payment<E: EventHandler>(
+ invoice_payer: &InvoicePayer<E>, invoice: &Invoice, payment_storage: PaymentInfoStorage,
+) {
+ let status = match invoice_payer.pay_invoice(invoice) {
+ Ok(_payment_id) => {
+ let payee_pubkey = invoice.recover_payee_pub_key();
+ let amt_msat = invoice.amount_milli_satoshis().unwrap();
+ println!("EVENT: initiated sending {} msats to {}", amt_msat, payee_pubkey);
+ print!("> ");
+ HTLCStatus::Pending
+ }
+ Err(PaymentError::Invoice(e)) => {
+ println!("ERROR: invalid invoice: {}", e);
+ print!("> ");
+ return;
+ }
+ Err(PaymentError::Routing(e)) => {
+ println!("ERROR: failed to find route: {}", e.err);
+ print!("> ");
+ return;
+ }
+ Err(PaymentError::Sending(e)) => {
+ println!("ERROR: failed to send payment: {:?}", e);
+ print!("> ");
+ HTLCStatus::Failed
+ }
+ };
+ let payment_hash = PaymentHash(invoice.payment_hash().clone().into_inner());
+ let payment_secret = Some(invoice.payment_secret().clone());
+
+ let mut payments = payment_storage.lock().unwrap();
+ payments.insert(
+ payment_hash,
+ PaymentInfo {
+ preimage: None,
+ secret: payment_secret,
+ status,
+ amt_msat: MillisatAmount(invoice.amount_milli_satoshis()),
+ },
+ );
+}
+
+fn keysend(
+ payee_pubkey: PublicKey, amt_msat: u64, network_graph: Arc<NetworkGraph>,
channel_manager: Arc<ChannelManager>, payment_storage: PaymentInfoStorage,
- logger: Arc<FilesystemLogger>,
+ logger: Arc<FilesystemLogger>, scorer: Arc<Mutex<Scorer>>,
) {
- 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(
+ let payee = Payee::for_keysend(payee_pubkey);
+ let params = RouteParameters { payee, final_value_msat: amt_msat, final_cltv_expiry_delta: 40 };
+
+ let route = match router::find_route(
&payer_pubkey,
+ ¶ms,
&network_graph,
- &payee,
- payee_features,
Some(&first_hops.iter().collect::<Vec<_>>()),
- &route_hints,
- 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
- }
+ &scorer.lock().unwrap(),
+ ) {
+ Ok(r) => r,
Err(e) => {
- println!("ERROR: failed to send payment: {:?}", e);
- HTLCStatus::Failed
+ println!("ERROR: failed to find route: {}", e.err);
+ return;
}
};
+
let mut payments = payment_storage.lock().unwrap();
+ let payment_hash = channel_manager.send_spontaneous_payment(&route, None).unwrap().0;
payments.insert(
payment_hash,
PaymentInfo {
preimage: None,
- secret: payment_secret,
- status,
+ secret: None,
+ status: HTLCStatus::Pending,
amt_msat: MillisatAmount(Some(amt_msat)),
},
);
payment_hash,
PaymentInfo {
preimage: None,
- secret: invoice.payment_secret().cloned(),
+ secret: Some(invoice.payment_secret().clone()),
status: HTLCStatus::Pending,
amt_msat: MillisatAmount(Some(amt_msat)),
},
projects / ldk-sample / blobdiff