use lightning::routing::gossip::NodeId;
use lightning::util::config::{ChannelHandshakeConfig, ChannelHandshakeLimits, UserConfig};
use lightning::util::events::EventHandler;
-use lightning::util::ser::{MaybeReadableArgs, Writeable, Writer};
+use lightning::util::ser::{Writeable, Writer};
use lightning_invoice::payment::PaymentError;
use lightning_invoice::{utils, Currency, Invoice};
use std::env;
use std::io;
use std::io::Write;
-use std::net::{IpAddr, SocketAddr, ToSocketAddrs};
+use std::net::{SocketAddr, ToSocketAddrs};
use std::ops::Deref;
use std::path::Path;
use std::str::FromStr;
pub(crate) network: Network,
}
-pub(crate) fn parse_startup_args() -> Result<LdkUserInfo, ()> {
- if env::args().len() < 3 {
- println!("ldk-tutorial-node requires 3 arguments: `cargo run <bitcoind-rpc-username>:<bitcoind-rpc-password>@<bitcoind-rpc-host>:<bitcoind-rpc-port> ldk_storage_directory_path [<ldk-incoming-peer-listening-port>] [bitcoin-network] [announced-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.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[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[0].split(":").collect();
- if bitcoind_rpc_path.len() != 2 {
- println!("ERROR: bad bitcoind RPC path provided");
- return Err(());
- }
- let bitcoind_rpc_host = bitcoind_rpc_path[0].to_string();
- let bitcoind_rpc_port = bitcoind_rpc_path[1].parse::<u16>().unwrap();
-
- let ldk_storage_dir_path = env::args().skip(2).next().unwrap();
-
- let mut ldk_peer_port_set = true;
- let ldk_peer_listening_port: u16 = match env::args().skip(3).next().map(|p| p.parse()) {
- Some(Ok(p)) => p,
- Some(Err(_)) => {
- 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("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_host,
- bitcoind_rpc_port,
- ldk_storage_dir_path,
- ldk_peer_listening_port,
- ldk_announced_listen_addr,
- ldk_announced_node_name,
- network,
- })
-}
-
struct UserOnionMessageContents {
tlv_type: u64,
data: Vec<u8>,
self.tlv_type
}
}
-impl MaybeReadableArgs<u64> for UserOnionMessageContents {
- fn read<R: std::io::Read>(_r: &mut R, _args: u64) -> Result<Option<Self>, DecodeError> {
- // UserOnionMessageContents is only ever passed to `send_onion_message`, never to an
- // `OnionMessageHandler`, thus it does not need to implement the read side here.
- unreachable!();
- }
-}
+
impl Writeable for UserOnionMessageContents {
fn write<W: Writer>(&self, w: &mut W) -> Result<(), std::io::Error> {
w.write_all(&self.data)
println!("SUCCESS: connected to peer {}", pubkey);
}
}
+ "disconnectpeer" => {
+ let peer_pubkey = words.next();
+ if peer_pubkey.is_none() {
+ println!("ERROR: disconnectpeer requires peer public key: `disconnectpeer <peer_pubkey>`");
+ continue;
+ }
+
+ let peer_pubkey =
+ match bitcoin::secp256k1::PublicKey::from_str(peer_pubkey.unwrap()) {
+ Ok(pubkey) => pubkey,
+ Err(e) => {
+ println!("ERROR: {}", e.to_string());
+ continue;
+ }
+ };
+
+ if do_disconnect_peer(
+ peer_pubkey,
+ peer_manager.clone(),
+ channel_manager.clone(),
+ )
+ .is_ok()
+ {
+ println!("SUCCESS: disconnected from peer {}", peer_pubkey);
+ }
+ }
"listchannels" => list_channels(&channel_manager, &network_graph),
"listpayments" => {
list_payments(inbound_payments.clone(), outbound_payments.clone())
println!(" listchannels");
println!("\n Peers:");
println!(" connectpeer pubkey@host:port");
+ println!(" disconnectpeer <peer_pubkey>");
println!(" listpeers");
println!("\n Payments:");
println!(" sendpayment <invoice>");
}
}
+fn do_disconnect_peer(
+ pubkey: bitcoin::secp256k1::PublicKey, peer_manager: Arc<PeerManager>,
+ channel_manager: Arc<ChannelManager>,
+) -> Result<(), ()> {
+ //check for open channels with peer
+ for channel in channel_manager.list_channels() {
+ if channel.counterparty.node_id == pubkey {
+ println!("Error: Node has an active channel with this peer, close any channels first");
+ return Err(());
+ }
+ }
+
+ //check the pubkey matches a valid connected peer
+ let peers = peer_manager.get_peer_node_ids();
+ if !peers.contains(&pubkey) {
+ println!("Error: Could not find peer {}", pubkey);
+ return Err(());
+ }
+
+ peer_manager.disconnect_by_node_id(pubkey, false);
+ Ok(())
+}
+
fn open_channel(
peer_pubkey: PublicKey, channel_amt_sat: u64, announced_channel: bool,
channel_manager: Arc<ChannelManager>,
projects / ldk-sample / blobdiff