use crate::disk;
use crate::hex_utils;
use crate::{
- ChannelManager, FilesystemLogger, HTLCDirection, HTLCStatus, PaymentInfoStorage, PeerManager,
- SatoshiAmount,
+ ChannelManager, HTLCStatus, InvoicePayer, MillisatAmount, NetworkGraph, OnionMessenger,
+ PaymentInfo, PaymentInfoStorage, PeerManager,
};
-use bitcoin::hashes::sha256::Hash as Sha256Hash;
+use bitcoin::hashes::sha256::Hash as Sha256;
use bitcoin::hashes::Hash;
use bitcoin::network::constants::Network;
-use bitcoin::secp256k1::key::{PublicKey, SecretKey};
-use bitcoin::secp256k1::Secp256k1;
-use lightning::chain;
-use lightning::ln::channelmanager::{PaymentHash, PaymentPreimage, PaymentSecret};
-use lightning::ln::features::InvoiceFeatures;
-use lightning::routing::network_graph::NetGraphMsgHandler;
-use lightning::routing::router;
-use lightning::util::config::UserConfig;
-use rand;
-use rand::Rng;
+use bitcoin::secp256k1::PublicKey;
+use lightning::chain::keysinterface::{KeysInterface, KeysManager, Recipient};
+use lightning::ln::msgs::NetAddress;
+use lightning::ln::{PaymentHash, PaymentPreimage};
+use lightning::onion_message::Destination;
+use lightning::routing::gossip::NodeId;
+use lightning::util::config::{ChannelHandshakeConfig, 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::io::{BufRead, Write};
-use std::net::{SocketAddr, TcpStream};
+use std::io::Write;
+use std::net::{IpAddr, 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_host: String,
pub(crate) ldk_storage_dir_path: String,
pub(crate) ldk_peer_listening_port: u16,
+ 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() < 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 [<ldk-incoming-peer-listening-port>] [bitcoin-network]`");
+ 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-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("signet") => Network::Signet,
+ Some(net) => {
+ panic!("Unsupported network provided. Options are: `regtest`, `testnet`, and `signet`. Got {}", net);
+ }
None => Network::Testnet,
};
+
+ 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,
bitcoind_rpc_port,
ldk_storage_dir_path,
ldk_peer_listening_port,
+ ldk_announced_listen_addr,
+ ldk_announced_node_name,
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, network: Network,
+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>, onion_messenger: Arc<OnionMessenger>,
+ inbound_payments: PaymentInfoStorage, outbound_payments: PaymentInfoStorage,
+ ldk_data_dir: String, network: Network,
) {
- println!("LDK startup successful. To view available commands: \"help\".\nLDK logs are available at <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();
+ 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());
+ loop {
+ print!("> ");
+ io::stdout().flush().unwrap(); // Without flushing, the `>` doesn't print
+ let mut line = String::new();
+ if let Err(e) = io::stdin().read_line(&mut line) {
+ break println!("ERROR: {e:#}");
+ }
+
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;
}
- if connect_peer_if_necessary(
- pubkey,
- peer_addr,
- peer_manager.clone(),
- event_notifier.clone(),
- runtime_handle.clone(),
- )
- .is_err()
+ if connect_peer_if_necessary(pubkey, peer_addr, peer_manager.clone())
+ .await
+ .is_err()
{
- print!("> ");
- io::stdout().flush().unwrap();
continue;
};
- // let private_channel = match words.next().as_ref().map(String::as_str) {
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,
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)
+ let invoice = match Invoice::from_str(invoice_str.unwrap()) {
+ Ok(inv) => inv,
+ Err(e) => {
+ println!("ERROR: invalid invoice: {:?}", e);
+ continue;
}
- None => None,
};
- // rust-lightning-invoice doesn't currently support features, so we parse features
- // manually from the invoice.
- 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 =
- invoice_features.set_variable_length_onion_optional();
- }
- if vec.len() >= 6 && vec[5].to_u8() & 0b01000 != 0 {
- invoice_features =
- invoice_features.set_variable_length_onion_required();
- }
- if vec.len() >= 4 && vec[3].to_u8() & 0b00001 != 0 {
- invoice_features =
- invoice_features.set_payment_secret_optional();
- }
- if vec.len() >= 5 && vec[4].to_u8() & 0b10000 != 0 {
- invoice_features =
- invoice_features.set_payment_secret_required();
- }
- if vec.len() >= 4 && vec[3].to_u8() & 0b00100 != 0 {
- invoice_features =
- invoice_features.set_basic_mpp_optional();
- }
- if vec.len() >= 4 && vec[3].to_u8() & 0b00010 != 0 {
- invoice_features =
- invoice_features.set_basic_mpp_required();
- }
- }
+ 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>`");
+ continue;
+ }
+ };
+ let amt_msat: u64 = match amt_msat_str.parse() {
+ Ok(amt) => amt,
+ Err(e) => {
+ println!("ERROR: couldn't parse amount_msat: {}", e);
+ continue;
}
- }
- let invoice_features_opt = match invoice_features == InvoiceFeatures::empty() {
- true => None,
- false => Some(invoice_features),
};
- send_payment(
- payee_pubkey,
+ keysend(
+ &*invoice_payer,
+ dest_pubkey,
amt_msat,
- final_cltv,
- payment_hash,
- payment_secret,
- invoice_features_opt,
- router.clone(),
- channel_manager.clone(),
- payment_storage.clone(),
- logger.clone(),
+ &*keys_manager,
+ outbound_payments.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();
+ println!("ERROR: getinvoice requires an amount in millisatoshis");
continue;
}
- let amt_sat: Result<u64, _> = amt_str.unwrap().parse();
- if amt_sat.is_err() {
+ 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;
}
+
+ let expiry_secs_str = words.next();
+ if expiry_secs_str.is_none() {
+ println!("ERROR: getinvoice requires an expiry in seconds");
+ continue;
+ }
+
+ let expiry_secs: Result<u32, _> = expiry_secs_str.unwrap().parse();
+ if expiry_secs.is_err() {
+ println!("ERROR: getinvoice provided expiry was not a number");
+ continue;
+ }
+
get_invoice(
- amt_sat.unwrap(),
- payment_storage.clone(),
- node_privkey.clone(),
+ amt_msat.unwrap(),
+ inbound_payments.clone(),
channel_manager.clone(),
+ keys_manager.clone(),
network,
+ expiry_secs.unwrap(),
);
}
"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) =
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()
+ if connect_peer_if_necessary(pubkey, peer_addr, peer_manager.clone())
+ .await
+ .is_ok()
{
println!("SUCCESS: connected to peer {}", pubkey);
}
}
- "listchannels" => list_channels(channel_manager.clone()),
- "listpayments" => list_payments(payment_storage.clone()),
+ "listchannels" => list_channels(&channel_manager, &network_graph),
+ "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();
+ println!("ERROR: closechannel requires a channel ID: `closechannel <channel_id> <peer_pubkey>`");
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();
+ if channel_id_vec.is_none() || channel_id_vec.as_ref().unwrap().len() != 32 {
+ println!("ERROR: couldn't parse channel_id");
continue;
}
let mut channel_id = [0; 32];
channel_id.copy_from_slice(&channel_id_vec.unwrap());
- close_channel(channel_id, channel_manager.clone());
+
+ let peer_pubkey_str = words.next();
+ if peer_pubkey_str.is_none() {
+ println!("ERROR: closechannel requires a peer pubkey: `closechannel <channel_id> <peer_pubkey>`");
+ continue;
+ }
+ let peer_pubkey_vec = match hex_utils::to_vec(peer_pubkey_str.unwrap()) {
+ Some(peer_pubkey_vec) => peer_pubkey_vec,
+ None => {
+ println!("ERROR: couldn't parse peer_pubkey");
+ continue;
+ }
+ };
+ let peer_pubkey = match PublicKey::from_slice(&peer_pubkey_vec) {
+ Ok(peer_pubkey) => peer_pubkey,
+ Err(_) => {
+ println!("ERROR: couldn't parse peer_pubkey");
+ continue;
+ }
+ };
+
+ close_channel(channel_id, peer_pubkey, 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();
+ println!("ERROR: forceclosechannel requires a channel ID: `forceclosechannel <channel_id> <peer_pubkey>`");
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();
+ if channel_id_vec.is_none() || channel_id_vec.as_ref().unwrap().len() != 32 {
+ println!("ERROR: couldn't parse channel_id");
continue;
}
let mut channel_id = [0; 32];
channel_id.copy_from_slice(&channel_id_vec.unwrap());
- force_close_channel(channel_id, channel_manager.clone());
+
+ let peer_pubkey_str = words.next();
+ if peer_pubkey_str.is_none() {
+ println!("ERROR: forceclosechannel requires a peer pubkey: `forceclosechannel <channel_id> <peer_pubkey>`");
+ continue;
+ }
+ let peer_pubkey_vec = match hex_utils::to_vec(peer_pubkey_str.unwrap()) {
+ Some(peer_pubkey_vec) => peer_pubkey_vec,
+ None => {
+ println!("ERROR: couldn't parse peer_pubkey");
+ continue;
+ }
+ };
+ let peer_pubkey = match PublicKey::from_slice(&peer_pubkey_vec) {
+ Ok(peer_pubkey) => peer_pubkey,
+ Err(_) => {
+ println!("ERROR: couldn't parse peer_pubkey");
+ continue;
+ }
+ };
+
+ force_close_channel(channel_id, peer_pubkey, channel_manager.clone());
+ }
+ "nodeinfo" => node_info(&channel_manager, &peer_manager),
+ "listpeers" => list_peers(peer_manager.clone()),
+ "signmessage" => {
+ const MSG_STARTPOS: usize = "signmessage".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(Recipient::Node).unwrap()
+ )
+ );
+ }
+ "sendonionmessage" => {
+ let path_pks_str = words.next();
+ if path_pks_str.is_none() {
+ println!(
+ "ERROR: sendonionmessage requires at least one node id for the path"
+ );
+ continue;
+ }
+ let mut node_pks = Vec::new();
+ let mut errored = false;
+ for pk_str in path_pks_str.unwrap().split(",") {
+ let node_pubkey_vec = match hex_utils::to_vec(pk_str) {
+ Some(peer_pubkey_vec) => peer_pubkey_vec,
+ None => {
+ println!("ERROR: couldn't parse peer_pubkey");
+ errored = true;
+ break;
+ }
+ };
+ let node_pubkey = match PublicKey::from_slice(&node_pubkey_vec) {
+ Ok(peer_pubkey) => peer_pubkey,
+ Err(_) => {
+ println!("ERROR: couldn't parse peer_pubkey");
+ errored = true;
+ break;
+ }
+ };
+ node_pks.push(node_pubkey);
+ }
+ if errored {
+ continue;
+ }
+ let destination_pk = node_pks.pop().unwrap();
+ match onion_messenger.send_onion_message(
+ &node_pks,
+ Destination::Node(destination_pk),
+ None,
+ ) {
+ Ok(()) => println!("SUCCESS: forwarded onion message to first hop"),
+ Err(e) => println!("ERROR: failed to send onion message: {:?}", e),
+ }
}
_ => println!("Unknown command. See `\"help\" for available commands."),
}
}
- print!("> ");
- io::stdout().flush().unwrap();
}
}
fn help() {
- println!("openchannel pubkey@host:port <channel_amt_satoshis>");
+ println!("openchannel pubkey@host:port <amt_satoshis> [--public]");
println!("sendpayment <invoice>");
- println!("getinvoice <amt_in_satoshis>");
+ println!("keysend <dest_pubkey> <amt_msats>");
+ println!("getinvoice <amt_msats> <expiry_secs>");
println!("connectpeer pubkey@host:port");
println!("listchannels");
println!("listpayments");
- println!("closechannel <channel_id>");
- println!("forceclosechannel <channel_id>");
+ println!("closechannel <channel_id> <peer_pubkey>");
+ println!("forceclosechannel <channel_id> <peer_pubkey>");
+ println!("nodeinfo");
+ println!("listpeers");
+ println!("signmessage <message>");
+ println!("sendonionmessage <node_id_1,node_id_2,..,destination_node_id>");
+}
+
+fn node_info(channel_manager: &Arc<ChannelManager>, peer_manager: &Arc<PeerManager>) {
+ println!("\t{{");
+ println!("\t\t node_pubkey: {}", channel_manager.get_our_node_id());
+ 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.balance_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}},");
+}
+
+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>) {
+fn list_channels(channel_manager: &Arc<ChannelManager>, network_graph: &Arc<NetworkGraph>) {
print!("[");
for chan_info in channel_manager.list_channels() {
println!("");
println!("\t{{");
println!("\t\tchannel_id: {},", hex_utils::hex_str(&chan_info.channel_id[..]));
+ if let Some(funding_txo) = chan_info.funding_txo {
+ println!("\t\tfunding_txid: {},", funding_txo.txid);
+ }
+
println!(
"\t\tpeer_pubkey: {},",
- hex_utils::hex_str(&chan_info.remote_network_id.serialize())
+ hex_utils::hex_str(&chan_info.counterparty.node_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;
+ if let Some(node_info) = network_graph
+ .read_only()
+ .nodes()
+ .get(&NodeId::from_pubkey(&chan_info.counterparty.node_id))
+ {
+ if let Some(announcement) = &node_info.announcement_info {
+ println!("\t\tpeer_alias: {}", announcement.alias);
}
}
- println!("\t\tpending_open: {},", pending_channel);
+
+ if let Some(id) = chan_info.short_channel_id {
+ println!("\t\tshort_channel_id: {},", id);
+ }
+ println!("\t\tis_channel_ready: {},", chan_info.is_channel_ready);
println!("\t\tchannel_value_satoshis: {},", chan_info.channel_value_satoshis);
- println!("\t\tchannel_can_send_payments: {},", chan_info.is_live);
+ println!("\t\tlocal_balance_msat: {},", chan_info.balance_msat);
+ 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);
+ }
+ println!("\t\tchannel_can_send_payments: {},", chan_info.is_usable);
+ println!("\t\tpublic: {},", chan_info.is_public);
println!("\t}},");
}
println!("]");
}
-fn list_payments(payment_storage: PaymentInfoStorage) {
- let payments = payment_storage.lock().unwrap();
+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 payments.deref() {
- let direction_str = match payment_info.1 {
- HTLCDirection::Inbound => "inbound",
- HTLCDirection::Outbound => "outbound",
- };
+ for (payment_hash, payment_info) in inbound.deref() {
println!("");
println!("\t{{");
- println!("\t\tamount_satoshis: {},", payment_info.3);
+ println!("\t\tamount_millisatoshis: {},", payment_info.amt_msat);
println!("\t\tpayment_hash: {},", hex_utils::hex_str(&payment_hash.0));
- println!("\t\thtlc_direction: {},", direction_str);
+ println!("\t\thtlc_direction: inbound,");
println!(
"\t\thtlc_status: {},",
- match payment_info.2 {
+ 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!("]");
}
-pub(crate) fn connect_peer_if_necessary(
+pub(crate) async 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;
+ 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) => {
+ let mut connection_closed_future = Box::pin(connection_closed_future);
+ loop {
+ match futures::poll!(&mut connection_closed_future) {
+ std::task::Poll::Ready(_) => {
+ 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(_) => return Ok(()),
+ None => tokio::time::sleep(Duration::from_millis(10)).await,
}
}
}
- Err(e) => {
- println!("ERROR: failed to connect to peer: {:?}", e);
- return Err(());
- }
+ None => Err(()),
}
- Ok(())
}
fn open_channel(
- peer_pubkey: PublicKey, channel_amt_sat: u64, announce_channel: bool,
+ peer_pubkey: PublicKey, channel_amt_sat: u64, announced_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) {
+ let config = UserConfig {
+ channel_handshake_limits: ChannelHandshakeLimits {
+ // lnd's max to_self_delay is 2016, so we want to be compatible.
+ their_to_self_delay: 2016,
+ ..Default::default()
+ },
+ channel_handshake_config: ChannelHandshakeConfig {
+ announced_channel,
+ ..Default::default()
+ },
+ ..Default::default()
+ };
+
+ match channel_manager.create_channel(peer_pubkey, channel_amt_sat, 0, 0, Some(config)) {
Ok(_) => {
println!("EVENT: initiated channel with peer {}. ", peer_pubkey);
return 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>,
+fn send_payment<E: EventHandler>(
+ invoice_payer: &InvoicePayer<E>, invoice: &Invoice, payment_storage: PaymentInfoStorage,
) {
- 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);
+ 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(e) => {
+ 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,
- (None, HTLCDirection::Outbound, status, SatoshiAmount(Some(amt_msat / 1000))),
+ PaymentInfo {
+ preimage: None,
+ secret: payment_secret,
+ status,
+ amt_msat: MillisatAmount(invoice.amount_milli_satoshis()),
+ },
);
}
-fn get_invoice(
- amt_sat: u64, payment_storage: PaymentInfoStorage, our_node_privkey: SecretKey,
- channel_manager: Arc<ChannelManager>, network: Network,
+fn keysend<E: EventHandler, K: KeysInterface>(
+ invoice_payer: &InvoicePayer<E>, payee_pubkey: PublicKey, amt_msat: u64, keys: &K,
+ payment_storage: PaymentInfoStorage,
) {
- 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 mut 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_000)
- .current_timestamp()
- .payee_pub_key(our_node_pubkey);
-
- // Add route hints to the invoice.
- let our_channels = channel_manager.list_usable_channels();
- for channel in our_channels {
- let short_channel_id = match channel.short_channel_id {
- Some(id) => id.to_be_bytes(),
- None => continue,
- };
- let forwarding_info = match channel.counterparty_forwarding_info {
- Some(info) => info,
- None => continue,
- };
- println!("VMW: adding routehop, info.fee base: {}", forwarding_info.fee_base_msat);
- invoice = invoice.route(vec![lightning_invoice::RouteHop {
- pubkey: channel.remote_network_id,
- short_channel_id,
- fee_base_msat: forwarding_info.fee_base_msat,
- fee_proportional_millionths: forwarding_info.fee_proportional_millionths,
- cltv_expiry_delta: forwarding_info.cltv_expiry_delta,
- }]);
- }
+ let payment_preimage = keys.get_secure_random_bytes();
+
+ let status = match invoice_payer.pay_pubkey(
+ payee_pubkey,
+ PaymentPreimage(payment_preimage),
+ amt_msat,
+ 40,
+ ) {
+ Ok(_payment_id) => {
+ println!("EVENT: initiated sending {} msats to {}", amt_msat, payee_pubkey);
+ print!("> ");
+ HTLCStatus::Pending
+ }
+ Err(PaymentError::Invoice(e)) => {
+ println!("ERROR: invalid payee: {}", 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
+ }
+ };
- // Sign the invoice.
- let invoice =
- invoice.build_signed(|msg_hash| secp_ctx.sign_recoverable(msg_hash, &our_node_privkey));
+ let mut payments = payment_storage.lock().unwrap();
+ payments.insert(
+ PaymentHash(Sha256::hash(&payment_preimage).into_inner()),
+ PaymentInfo {
+ preimage: None,
+ secret: None,
+ status,
+ amt_msat: MillisatAmount(Some(amt_msat)),
+ },
+ );
+}
- match invoice {
- Ok(invoice) => println!("SUCCESS: generated invoice: {}", invoice),
- Err(e) => println!("ERROR: failed to create invoice: {:?}", e),
- }
+fn get_invoice(
+ amt_msat: u64, payment_storage: PaymentInfoStorage, channel_manager: Arc<ChannelManager>,
+ keys_manager: Arc<KeysManager>, network: Network, expiry_secs: u32,
+) {
+ 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 => Currency::Signet,
+ };
+ let invoice = match utils::create_invoice_from_channelmanager(
+ &channel_manager,
+ keys_manager,
+ currency,
+ Some(amt_msat),
+ "ldk-tutorial-node".to_string(),
+ expiry_secs,
+ ) {
+ Ok(inv) => {
+ println!("SUCCESS: generated invoice: {}", inv);
+ inv
+ }
+ Err(e) => {
+ println!("ERROR: failed to create invoice: {:?}", e);
+ return;
+ }
+ };
+ let payment_hash = PaymentHash(invoice.payment_hash().clone().into_inner());
payments.insert(
- PaymentHash(payment_hash.into_inner()),
- (
- Some(PaymentPreimage(preimage)),
- HTLCDirection::Inbound,
- HTLCStatus::Pending,
- SatoshiAmount(Some(amt_sat)),
- ),
+ payment_hash,
+ PaymentInfo {
+ preimage: None,
+ secret: Some(invoice.payment_secret().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) {
+fn close_channel(
+ channel_id: [u8; 32], counterparty_node_id: PublicKey, channel_manager: Arc<ChannelManager>,
+) {
+ match channel_manager.close_channel(&channel_id, &counterparty_node_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) {
+fn force_close_channel(
+ channel_id: [u8; 32], counterparty_node_id: PublicKey, channel_manager: Arc<ChannelManager>,
+) {
+ match channel_manager.force_close_broadcasting_latest_txn(&channel_id, &counterparty_node_id) {
Ok(()) => println!("EVENT: initiating channel force-close"),
Err(e) => println!("ERROR: failed to force-close channel: {:?}", e),
}
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() {
+ if 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`",
+ "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() {
+ 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",
));
}
- Ok((pubkey.unwrap(), peer_addr.unwrap()))
+ Ok((pubkey.unwrap(), peer_addr.unwrap().unwrap()))
}