use crate::disk;
use crate::hex_utils;
use crate::{
- ChannelManager, FilesystemLogger, HTLCStatus, MillisatAmount, PaymentInfo, PaymentInfoStorage,
- PeerManager,
+ ChannelManager, HTLCStatus, InvoicePayer, MillisatAmount, NetworkGraph, PaymentInfo,
+ PaymentInfoStorage, PeerManager,
};
+use bitcoin::hashes::sha256::Hash as Sha256;
+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::ln::{PaymentHash, PaymentSecret};
-use lightning::routing::network_graph::NetGraphMsgHandler;
-use lightning::routing::router;
-use lightning::routing::router::RouteHintHop;
-use lightning::util::config::UserConfig;
+use bitcoin::secp256k1::PublicKey;
+use lightning::chain::keysinterface::{KeysInterface, KeysManager, Recipient};
+use lightning::ln::msgs::NetAddress;
+use lightning::ln::{PaymentHash, PaymentPreimage};
+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, ToSocketAddrs};
+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::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() < 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]`");
+ 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) 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,
+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>, inbound_payments: PaymentInfoStorage,
+ outbound_payments: PaymentInfoStorage, ldk_data_dir: String, 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 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;
}
- if connect_peer_if_necessary(
- pubkey,
- peer_addr,
- peer_manager.clone(),
- event_notifier.clone(),
- )
- .await
- .is_err()
+ if connect_peer_if_necessary(pubkey, peer_addr, peer_manager.clone())
+ .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 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)
+ 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;
}
- None => None,
};
-
- let invoice_features = match invoice.features() {
- Some(feat) => Some(feat.clone()),
- None => None,
+ 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;
+ }
};
-
- send_payment(
- payee_pubkey,
+ let amt_msat: u64 = match amt_msat_str.parse() {
+ Ok(amt) => amt,
+ Err(e) => {
+ println!("ERROR: couldn't parse amount_msat: {}", e);
+ continue;
+ }
+ };
+ keysend(
+ &*invoice_payer,
+ dest_pubkey,
amt_msat,
- final_cltv,
- payment_hash,
- payment_secret,
- invoice_features,
- last_hops,
- router.clone(),
- channel_manager.clone(),
+ &*keys_manager,
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;
}
+
+ 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_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(),
- )
- .await
- .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()),
+ "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.clone(), peer_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()
+ )
+ );
+ }
_ => 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_millisatoshis>");
+ 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>");
}
-fn node_info(channel_manager:
Arc<ChannelManager>, peer_manager: Arc<PeerManager>) {
+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.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}},");
}
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\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!("]");
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
+ 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(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) {
+ 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(_) => {
- 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;
+ match peer_manager.get_peer_node_ids().iter().find(|id| **id == pubkey) {
+ 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(
- 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>,
- 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>,
+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<_>>()),
- &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);
+ 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,
preimage: None,
secret: payment_secret,
status,
+ amt_msat: MillisatAmount(invoice.amount_milli_satoshis()),
+ },
+ );
+}
+
+fn keysend<E: EventHandler, K: KeysInterface>(
+ invoice_payer: &InvoicePayer<E>, payee_pubkey: PublicKey, amt_msat: u64, keys: &K,
+ payment_storage: PaymentInfoStorage,
+) {
+ 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
+ }
+ };
+
+ 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)),
},
);
fn get_invoice(
amt_msat: u64, payment_storage: PaymentInfoStorage, channel_manager: Arc<ChannelManager>,
- keys_manager: Arc<KeysManager>, network: Network,
+ 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 => panic!("Signet unsupported"),
+ Network::Signet => Currency::Signet,
};
let invoice = match utils::create_invoice_from_channelmanager(
&channel_manager,
currency,
Some(amt_msat),
"ldk-tutorial-node".to_string(),
+ expiry_secs,
) {
Ok(inv) => {
println!("SUCCESS: generated invoice: {}", inv);
}
};
- let mut payment_hash = PaymentHash([0; 32]);
- payment_hash.0.copy_from_slice(&invoice.payment_hash().as_ref()[0..32]);
+ let payment_hash = PaymentHash(invoice.payment_hash().clone().into_inner());
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()),
+ 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`",
));
}
projects / ldk-sample / blobdiff