X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fcli.rs;h=9bc2ef1584d80acaea947d42c9223c63cc1f09a7;hb=68a95c0646810ed7afe5022ac211c1f214d950c5;hp=20c43147a6369634f83c0c00a22d181eb6561c35;hpb=224d32a53718a00f01456711d2ee524e59c5ff46;p=ldk-sample diff --git a/src/cli.rs b/src/cli.rs index 20c4314..9bc2ef1 100644 --- a/src/cli.rs +++ b/src/cli.rs @@ -1,519 +1,785 @@ -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::hashes::Hash; +use bitcoin::network::constants::Network; +use bitcoin::secp256k1::key::PublicKey; use lightning::chain; -use lightning::ln::channelmanager::{PaymentHash, PaymentPreimage, PaymentSecret}; +use lightning::chain::keysinterface::{KeysInterface, KeysManager}; use lightning::ln::features::InvoiceFeatures; +use lightning::ln::msgs::NetAddress; +use lightning::ln::{PaymentHash, PaymentSecret}; use lightning::routing::network_graph::NetGraphMsgHandler; use lightning::routing::router; -use lightning::util::config::UserConfig; -use rand; -use rand::Rng; +use lightning::routing::router::RouteHint; +use lightning::routing::scorer::Scorer; +use lightning::util::config::{ChannelConfig, ChannelHandshakeLimits, UserConfig}; +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::{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_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) ldk_announced_listen_addr: Vec, + pub(crate) ldk_announced_node_name: [u8; 32], + pub(crate) network: Network, } pub(crate) fn parse_startup_args() -> Result { - if env::args().len() < 4 { - println!("ldk-tutorial-node requires 3 arguments: `cargo run :@: ldk_storage_directory_path [optional: ]`"); - 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::().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 :@: ldk_storage_directory_path [] [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(); + 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::().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(_)) => { + ldk_peer_port_set = false; + 9735 + } + None => { + ldk_peer_port_set = false; + 9735 + } + }; + + 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(net) => { + panic!("Unsupported network provided. Options are: `regtest`, `testnet`. 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_host, + 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, channel_manager: - Arc, router: Arc, Arc>>, payment_storage: - PaymentInfoStorage, node_privkey: SecretKey, event_notifier: - mpsc::Sender<()>, ldk_data_dir: String, logger: Arc, - runtime_handle: Handle) { - println!("LDK startup successful. To view available commands: \"help\".\nLDK logs are available in the `logs` folder of /.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 = 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 `"); - 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 = 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 `"); - 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 `"); - 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, channel_manager: Arc, + keys_manager: Arc, + router: Arc, Arc>>, + inbound_payments: PaymentInfoStorage, outbound_payments: PaymentInfoStorage, + ldk_data_dir: String, logger: Arc, network: Network, +) { + println!("LDK startup successful. To view available commands: \"help\"."); + println!("LDK logs are available at /.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 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 = 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()) + .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 `"); + 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 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 = Some(invoice.payment_secret().clone()); + let invoice_features = invoice.features().cloned(); + + 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(), + ); + } + "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"); + print!("> "); + io::stdout().flush().unwrap(); + continue; + } + }, + None => { + println!("ERROR: keysend requires a destination pubkey: `keysend `"); + print!("> "); + io::stdout().flush().unwrap(); + continue; + } + }; + let amt_msat_str = match words.next() { + Some(amt) => amt, + None => { + println!("ERROR: keysend requires an amount in millisatoshis: `keysend `"); + + print!("> "); + io::stdout().flush().unwrap(); + continue; + } + }; + let amt_msat: u64 = match amt_msat_str.parse() { + Ok(amt) => amt, + Err(e) => { + println!("ERROR: couldn't parse amount_msat: {}", e); + print!("> "); + io::stdout().flush().unwrap(); + continue; + } + }; + keysend( + dest_pubkey, + amt_msat, + 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 = 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()) + .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 `"); + 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 `"); + 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()), + "signmessage" => { + const MSG_STARTPOS: usize = "signmsg".len() + 1; + if line.as_bytes().len() <= MSG_STARTPOS { + println!("ERROR: signmsg requires a message"); + print!("> "); + io::stdout().flush().unwrap(); + continue; + } + println!( + "{:?}", + lightning::util::message_signing::sign( + &line.as_bytes()[MSG_STARTPOS..], + &keys_manager.get_node_secret() + ) + ); + print!("> "); + io::stdout().flush().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!("sendpayment "); - println!("getinvoice "); - println!("connectpeer pubkey@host:port"); - println!("listchannels"); - println!("listpayments"); - println!("closechannel "); - println!("forceclosechannel "); + println!("openchannel pubkey@host:port "); + println!("sendpayment "); + println!("getinvoice "); + println!("connectpeer pubkey@host:port"); + println!("listchannels"); + println!("listpayments"); + println!("closechannel "); + println!("forceclosechannel "); + println!("nodeinfo"); + println!("listpeers"); + println!("signmessage "); +} + +fn node_info(channel_manager: Arc, peer_manager: Arc) { + 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_peers(peer_manager: Arc) { + println!("\t{{"); + for pubkey in peer_manager.get_peer_node_ids() { + println!("\t\t pubkey: {}", pubkey); + } + println!("\t}},"); } fn list_channels(channel_manager: Arc) { - 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!("]"); + 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.counterparty.node_id.serialize()) + ); + if let Some(id) = chan_info.short_channel_id { + println!("\t\tshort_channel_id: {},", id); + } + 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); + } + 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(); - 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_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!("]"); } -pub(crate) fn connect_peer_if_necessary(pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: - Arc, 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(()) +pub(crate) async fn connect_peer_if_necessary( + pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc, +) -> 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), 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(_) => { + 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, + None => tokio::time::sleep(Duration::from_millis(10)).await, + } + } + } + None => { + println!("ERROR: failed to connect to peer"); + return Err(()); + } + } + Ok(()) } -fn open_channel(peer_pubkey: PublicKey, channel_amt_sat: u64, channel_manager: Arc) - -> 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(()) - } - } +fn open_channel( + peer_pubkey: PublicKey, channel_amt_sat: u64, announced_channel: bool, + channel_manager: Arc, +) -> Result<(), ()> { + let config = UserConfig { + peer_channel_config_limits: ChannelHandshakeLimits { + // lnd's max to_self_delay is 2016, so we want to be compatible. + their_to_self_delay: 2016, + ..Default::default() + }, + channel_options: ChannelConfig { 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(()); + } + Err(e) => { + println!("ERROR: failed to open channel: {:?}", e); + return Err(()); + } + } } -fn send_payment(payee: PublicKey, amt_msat: u64, final_cltv: u32, payment_hash: PaymentHash, - payment_secret: Option, payee_features: - Option, router: Arc, Arc>>, channel_manager: - Arc, payment_storage: PaymentInfoStorage, logger: - Arc) { - 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![], 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 send_payment( + payee: PublicKey, amt_msat: u64, final_cltv: u32, payment_hash: PaymentHash, + payment_secret: Option, payee_features: Option, + route_hints: Vec<&RouteHint>, + router: Arc, Arc>>, + channel_manager: Arc, payment_storage: PaymentInfoStorage, + logger: Arc, +) { + let network_graph = &router.network_graph; + 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::>()), + &route_hints, + amt_msat, + final_cltv, + logger, + &Scorer::default(), + ); + 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(_payment_id) => { + 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)), + }, + ); } -fn get_invoice(amt_sat: u64, payment_storage: PaymentInfoStorage, our_node_privkey: SecretKey, - channel_manager: Arc, router: Arc, Arc>>) { - 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 keysend( + payee: PublicKey, amt_msat: u64, + router: Arc, Arc>>, + channel_manager: Arc, payment_storage: PaymentInfoStorage, + logger: Arc, +) { + let network_graph = &router.network_graph; + let first_hops = channel_manager.list_usable_channels(); + let payer_pubkey = channel_manager.get_our_node_id(); + + let route = match router::get_keysend_route( + &payer_pubkey, + &network_graph, + &payee, + Some(&first_hops.iter().collect::>()), + &vec![], + amt_msat, + 40, + logger, + &Scorer::default(), + ) { + Ok(r) => r, + Err(e) => { + 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: None, + status: HTLCStatus::Pending, + 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, + keys_manager: Arc, 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 payment_hash = PaymentHash(invoice.payment_hash().clone().into_inner()); + payments.insert( + 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) { - 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) { - 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 = 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())) }