X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fcli.rs;h=02713a55ad3e2d1f7eccc98d93db0d393558c412;hb=b61dae03855accbafcbbc68c69692cbe1797b195;hp=c046d0cf6fe4771d0e7427b3c25c236a6ee112e5;hpb=1b034d63a4cb4e0b249ae6240166513b6be76737;p=ldk-sample

diff --git a/src/cli.rs b/src/cli.rs
index c046d0c..e348742 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -1,100 +1,898 @@
-use bitcoin::secp256k1::key::PublicKey;
-use crate::{FilesystemLogger, PeerManager, ChannelManager};
-use crate::utils;
+use crate::disk::{self, INBOUND_PAYMENTS_FNAME, OUTBOUND_PAYMENTS_FNAME};
+use crate::hex_utils;
+use crate::{
+	ChannelManager, HTLCStatus, InboundPaymentInfoStorage, MillisatAmount, NetworkGraph,
+	OnionMessenger, OutboundPaymentInfoStorage, PaymentInfo, PeerManager,
+};
+use bitcoin::hashes::sha256::Hash as Sha256;
+use bitcoin::hashes::Hash;
+use bitcoin::network::constants::Network;
+use bitcoin::secp256k1::PublicKey;
+use lightning::ln::channelmanager::{PaymentId, RecipientOnionFields, Retry};
+use lightning::ln::msgs::SocketAddress;
+use lightning::ln::{ChannelId, PaymentHash, PaymentPreimage};
+use lightning::onion_message::messenger::Destination;
+use lightning::onion_message::packet::OnionMessageContents;
+use lightning::routing::gossip::NodeId;
+use lightning::routing::router::{PaymentParameters, RouteParameters};
+use lightning::sign::{EntropySource, KeysManager};
+use lightning::util::config::{ChannelHandshakeConfig, ChannelHandshakeLimits, UserConfig};
+use lightning::util::persist::KVStore;
+use lightning::util::ser::{Writeable, Writer};
+use lightning_invoice::{utils, Bolt11Invoice, Currency};
+use lightning_persister::fs_store::FilesystemStore;
+use std::env;
 use std::io;
-use std::io::{BufRead, Write};
-use std::net::{SocketAddr, TcpStream};
-use std::sync::Arc;
-use std::thread;
+use std::io::Write;
+use std::net::{SocketAddr, ToSocketAddrs};
+use std::path::Path;
+use std::str::FromStr;
+use std::sync::{Arc, Mutex};
 use std::time::Duration;
-// use tokio::runtime::Runtime;
-use tokio::runtime::{Builder, Runtime};
-use tokio::sync::mpsc;
-
-pub fn poll_for_user_input(peer_manager: Arc<PeerManager>, channel_manager: Arc<ChannelManager>, event_notifier: mpsc::Sender<()>) {
-    println!("LDK startup successful. To view available commands: \"help\".\nLDK logs are available in the `logs` folder of the current directory.");
-    print!("> "); io::stdout().flush().unwrap(); // Without flushing, the `>` doesn't print
-    let stdin = io::stdin();
-    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" => handle_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`")
-                    } else {
-                        let peer_pubkey_and_ip_addr = peer_pubkey_and_ip_addr.unwrap();
-                        let channel_value_sat = channel_value_sat.unwrap();
-                        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() {
-                            println!("ERROR: incorrectly formatted peer info. Should be formatted as: `pubkey@host:port`");
-                        } else {
-                            let pubkey = pubkey.unwrap();
-                            let peer_addr_str = peer_addr_str.unwrap();
-                            let peer_addr_res: Result<SocketAddr, _> = peer_addr_str.parse();
-                            let chan_amt: Result<u64, _> = channel_value_sat.parse();
-                            if let Some(pk) = utils::hex_to_compressed_pubkey(pubkey) {
-                                if let Ok(addr) = peer_addr_res {
-                                    if let Ok(amt) = chan_amt {
-                                        handle_open_channel(pk, addr, amt,
-                                                            peer_manager.clone(),
-                                                            channel_manager.clone(),
-                                                            event_notifier.clone());
-                                    } else {
-                                        println!("ERROR: channel amount must be a number");
-                                    }
-                                } else {
-                                    println!("ERROR: couldn't parse
-                                    pubkey@host:port into a socket address");
-                                }
-                            } else {
-                                println!("ERROR: unable to parse given pubkey for node");
-                            }
-                        }
-                    }
-                },
-                _ => println!("hello")
-            }
-        }
-        print!("> "); io::stdout().flush().unwrap();
-
-    }
-}
-
-fn handle_help() {
-    println!("")
-}
-
-fn handle_open_channel(peer_pubkey: PublicKey, peer_socket: SocketAddr,
-                       channel_amt_sat: u64, peer_manager: Arc<PeerManager>,
-                       channel_manager: Arc<ChannelManager>, event_notifier:
-                       mpsc::Sender<()>)
-{
-		// let runtime = Runtime::new().expect("Unable to create a runtime").enable_all();
-		let runtime = Builder::new_multi_thread()
-        .worker_threads(3)
-        .enable_all()
-        .build()
-        .unwrap();
-    match TcpStream::connect_timeout(&peer_socket, Duration::from_secs(10)) {
-        Ok(stream) => {
-            runtime.block_on(|| {
-                lightning_net_tokio::setup_outbound(peer_manager,
-                                                    event_notifier,
-                                                    peer_pubkey,
-                                                    stream);
-            });
-            match channel_manager.create_channel(peer_pubkey, channel_amt_sat, 0, 0, None) {
-                Ok(_) => println!("SUCCESS: channel created! Mine some blocks to open it."),
-                Err(e) => println!("ERROR: failed to open channel: {:?}", e)
-            }
-        },
-        Err(e) => println!("ERROR: failed to connect to peer: {:?}", e)
-    }
+
+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) ldk_announced_listen_addr: Vec<SocketAddress>,
+	pub(crate) ldk_announced_node_name: [u8; 32],
+	pub(crate) network: Network,
+}
+
+#[derive(Debug)]
+struct UserOnionMessageContents {
+	tlv_type: u64,
+	data: Vec<u8>,
+}
+
+impl OnionMessageContents for UserOnionMessageContents {
+	fn tlv_type(&self) -> u64 {
+		self.tlv_type
+	}
+}
+
+impl Writeable for UserOnionMessageContents {
+	fn write<W: Writer>(&self, w: &mut W) -> Result<(), std::io::Error> {
+		w.write_all(&self.data)
+	}
+}
+
+pub(crate) fn poll_for_user_input(
+	peer_manager: Arc<PeerManager>, channel_manager: Arc<ChannelManager>,
+	keys_manager: Arc<KeysManager>, network_graph: Arc<NetworkGraph>,
+	onion_messenger: Arc<OnionMessenger>, inbound_payments: Arc<Mutex<InboundPaymentInfoStorage>>,
+	outbound_payments: Arc<Mutex<OutboundPaymentInfoStorage>>, ldk_data_dir: String,
+	network: Network, logger: Arc<disk::FilesystemLogger>, fs_store: Arc<FilesystemStore>,
+) {
+	println!(
+		"LDK startup successful. Enter \"help\" to view available commands. Press Ctrl-D to quit."
+	);
+	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);
+		}
+
+		if line.len() == 0 {
+			// We hit EOF / Ctrl-D
+			break;
+		}
+
+		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] [--with-anchors]");
+						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());
+								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");
+						continue;
+					}
+
+					if tokio::runtime::Handle::current()
+						.block_on(connect_peer_if_necessary(
+							pubkey,
+							peer_addr,
+							peer_manager.clone(),
+						))
+						.is_err()
+					{
+						continue;
+					};
+
+					let (mut announce_channel, mut with_anchors) = (false, false);
+					while let Some(word) = words.next() {
+						match word {
+							"--public" | "--public=true" => announce_channel = true,
+							"--public=false" => announce_channel = false,
+							"--with-anchors" | "--with-anchors=true" => with_anchors = true,
+							"--with-anchors=false" => with_anchors = false,
+							_ => {
+								println!("ERROR: invalid boolean flag format. Valid formats: `--option`, `--option=true` `--option=false`");
+								continue;
+							}
+						}
+					}
+
+					if open_channel(
+						pubkey,
+						chan_amt_sat.unwrap(),
+						announce_channel,
+						with_anchors,
+						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 <invoice>`");
+						continue;
+					}
+
+					let invoice = match Bolt11Invoice::from_str(invoice_str.unwrap()) {
+						Ok(inv) => inv,
+						Err(e) => {
+							println!("ERROR: invalid invoice: {:?}", e);
+							continue;
+						}
+					};
+
+					send_payment(
+						&channel_manager,
+						&invoice,
+						&mut outbound_payments.lock().unwrap(),
+						Arc::clone(&fs_store),
+					);
+				}
+				"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;
+						}
+					};
+					keysend(
+						&channel_manager,
+						dest_pubkey,
+						amt_msat,
+						&*keys_manager,
+						&mut outbound_payments.lock().unwrap(),
+						Arc::clone(&fs_store),
+					);
+				}
+				"getinvoice" => {
+					let amt_str = words.next();
+					if amt_str.is_none() {
+						println!("ERROR: getinvoice requires an amount in millisatoshis");
+						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");
+						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;
+					}
+
+					let mut inbound_payments = inbound_payments.lock().unwrap();
+					get_invoice(
+						amt_msat.unwrap(),
+						&mut inbound_payments,
+						&channel_manager,
+						Arc::clone(&keys_manager),
+						network,
+						expiry_secs.unwrap(),
+						Arc::clone(&logger),
+					);
+					fs_store
+						.write("", "", INBOUND_PAYMENTS_FNAME, &inbound_payments.encode())
+						.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`");
+						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());
+								continue;
+							}
+						};
+					if tokio::runtime::Handle::current()
+						.block_on(connect_peer_if_necessary(
+							pubkey,
+							peer_addr,
+							peer_manager.clone(),
+						))
+						.is_ok()
+					{
+						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.lock().unwrap(),
+					&outbound_payments.lock().unwrap(),
+				),
+				"closechannel" => {
+					let channel_id_str = words.next();
+					if channel_id_str.is_none() {
+						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() || 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());
+
+					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> <peer_pubkey>`");
+						continue;
+					}
+					let channel_id_vec = hex_utils::to_vec(channel_id_str.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());
+
+					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.trim().as_bytes().len() <= MSG_STARTPOS {
+						println!("ERROR: signmsg requires a message");
+						continue;
+					}
+					println!(
+						"{:?}",
+						lightning::util::message_signing::sign(
+							&line.trim().as_bytes()[MSG_STARTPOS..],
+							&keys_manager.get_node_secret_key()
+						)
+					);
+				}
+				"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 intermediate_nodes = 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;
+							}
+						};
+						intermediate_nodes.push(node_pubkey);
+					}
+					if errored {
+						continue;
+					}
+					let tlv_type = match words.next().map(|ty_str| ty_str.parse()) {
+						Some(Ok(ty)) if ty >= 64 => ty,
+						_ => {
+							println!("Need an integral message type above 64");
+							continue;
+						}
+					};
+					let data = match words.next().map(|s| hex_utils::to_vec(s)) {
+						Some(Some(data)) => data,
+						_ => {
+							println!("Need a hex data string");
+							continue;
+						}
+					};
+					let destination = Destination::Node(intermediate_nodes.pop().unwrap());
+					match onion_messenger.send_onion_message(
+						UserOnionMessageContents { tlv_type, data },
+						destination,
+						None,
+					) {
+						Ok(success) => {
+							println!("SUCCESS: forwarded onion message to first hop {:?}", success)
+						}
+						Err(e) => println!("ERROR: failed to send onion message: {:?}", e),
+					}
+				}
+				"quit" | "exit" => break,
+				_ => println!("Unknown command. See `\"help\" for available commands."),
+			}
+		}
+	}
+}
+
+fn help() {
+	let package_version = env!("CARGO_PKG_VERSION");
+	let package_name = env!("CARGO_PKG_NAME");
+	println!("\nVERSION:");
+	println!("  {} v{}", package_name, package_version);
+	println!("\nUSAGE:");
+	println!("  Command [arguments]");
+	println!("\nCOMMANDS:");
+	println!("  help\tShows a list of commands.");
+	println!("  quit\tClose the application.");
+	println!("\n  Channels:");
+	println!("      openchannel pubkey@host:port <amt_satoshis> [--public] [--with-anchors]");
+	println!("      closechannel <channel_id> <peer_pubkey>");
+	println!("      forceclosechannel <channel_id> <peer_pubkey>");
+	println!("      listchannels");
+	println!("\n  Peers:");
+	println!("      connectpeer pubkey@host:port");
+	println!("      disconnectpeer <peer_pubkey>");
+	println!("      listpeers");
+	println!("\n  Payments:");
+	println!("      sendpayment <invoice>");
+	println!("      keysend <dest_pubkey> <amt_msats>");
+	println!("      listpayments");
+	println!("\n  Invoices:");
+	println!("      getinvoice <amt_msats> <expiry_secs>");
+	println!("\n  Other:");
+	println!("      signmessage <message>");
+	println!(
+		"      sendonionmessage <node_id_1,node_id_2,..,destination_node_id> <type> <hex_bytes>"
+	);
+	println!("      nodeinfo");
+}
+
+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>, network_graph: &Arc<NetworkGraph>) {
+	print!("[");
+	for chan_info in channel_manager.list_channels() {
+		println!("");
+		println!("\t{{");
+		println!("\t\tchannel_id: {},", 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(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);
+			}
+		}
+
+		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\toutbound_capacity_msat: {},", chan_info.outbound_capacity_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(
+	inbound_payments: &InboundPaymentInfoStorage, outbound_payments: &OutboundPaymentInfoStorage,
+) {
+	print!("[");
+	for (payment_hash, payment_info) in &inbound_payments.payments {
+		println!("");
+		println!("\t{{");
+		println!("\t\tamount_millisatoshis: {},", payment_info.amt_msat);
+		println!("\t\tpayment_hash: {},", payment_hash);
+		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_payments.payments {
+		println!("");
+		println!("\t{{");
+		println!("\t\tamount_millisatoshis: {},", payment_info.amt_msat);
+		println!("\t\tpayment_hash: {},", payment_hash);
+		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) async fn connect_peer_if_necessary(
+	pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc<PeerManager>,
+) -> Result<(), ()> {
+	for (node_pubkey, _) in peer_manager.get_peer_node_ids() {
+		if node_pubkey == pubkey {
+			return Ok(());
+		}
+	}
+	let res = do_connect_peer(pubkey, peer_addr, peer_manager).await;
+	if res.is_err() {
+		println!("ERROR: failed to connect to peer");
+	}
+	res
+}
+
+pub(crate) async fn do_connect_peer(
+	pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc<PeerManager>,
+) -> Result<(), ()> {
+	match lightning_net_tokio::connect_outbound(Arc::clone(&peer_manager), pubkey, peer_addr).await
+	{
+		Some(connection_closed_future) => {
+			let mut connection_closed_future = Box::pin(connection_closed_future);
+			loop {
+				tokio::select! {
+					_ = &mut connection_closed_future => return Err(()),
+					_ = tokio::time::sleep(Duration::from_millis(10)) => {},
+				};
+				if peer_manager.get_peer_node_ids().iter().find(|(id, _)| *id == pubkey).is_some() {
+					return Ok(());
+				}
+			}
+		}
+		None => Err(()),
+	}
+}
+
+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.iter().any(|(pk, _)| &pubkey == pk) {
+		println!("Error: Could not find peer {}", pubkey);
+		return Err(());
+	}
+
+	peer_manager.disconnect_by_node_id(pubkey);
+	Ok(())
+}
+
+fn open_channel(
+	peer_pubkey: PublicKey, channel_amt_sat: u64, announced_channel: bool, with_anchors: bool,
+	channel_manager: Arc<ChannelManager>,
+) -> Result<(), ()> {
+	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,
+			negotiate_anchors_zero_fee_htlc_tx: with_anchors,
+			..Default::default()
+		},
+		..Default::default()
+	};
+
+	match channel_manager.create_channel(peer_pubkey, channel_amt_sat, 0, 0, None, 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(
+	channel_manager: &ChannelManager, invoice: &Bolt11Invoice,
+	outbound_payments: &mut OutboundPaymentInfoStorage, fs_store: Arc<FilesystemStore>,
+) {
+	let payment_id = PaymentId((*invoice.payment_hash()).to_byte_array());
+	let payment_hash = PaymentHash((*invoice.payment_hash()).to_byte_array());
+	let payment_secret = Some(*invoice.payment_secret());
+	outbound_payments.payments.insert(
+		payment_id,
+		PaymentInfo {
+			preimage: None,
+			secret: payment_secret,
+			status: HTLCStatus::Pending,
+			amt_msat: MillisatAmount(invoice.amount_milli_satoshis()),
+		},
+	);
+	fs_store.write("", "", OUTBOUND_PAYMENTS_FNAME, &outbound_payments.encode()).unwrap();
+
+	let mut recipient_onion = RecipientOnionFields::secret_only(*invoice.payment_secret());
+	recipient_onion.payment_metadata = invoice.payment_metadata().map(|v| v.clone());
+	let mut payment_params = match PaymentParameters::from_node_id(
+		invoice.recover_payee_pub_key(),
+		invoice.min_final_cltv_expiry_delta() as u32,
+	)
+	.with_expiry_time(
+		invoice.duration_since_epoch().as_secs().saturating_add(invoice.expiry_time().as_secs()),
+	)
+	.with_route_hints(invoice.route_hints())
+	{
+		Err(e) => {
+			println!("ERROR: Could not process invoice to prepare payment parameters, {:?}, invoice: {:?}", e, invoice);
+			return;
+		}
+		Ok(p) => p,
+	};
+	if let Some(features) = invoice.features() {
+		payment_params = match payment_params.with_bolt11_features(features.clone()) {
+			Err(e) => {
+				println!("ERROR: Could not build BOLT11 payment parameters! {:?}", e);
+				return;
+			}
+			Ok(p) => p,
+		};
+	}
+	let invoice_amount = match invoice.amount_milli_satoshis() {
+		None => {
+			println!("ERROR: An invoice with an amount is expected; {:?}", invoice);
+			return;
+		}
+		Some(a) => a,
+	};
+	let route_params =
+		RouteParameters::from_payment_params_and_value(payment_params, invoice_amount);
+
+	match channel_manager.send_payment(
+		payment_hash,
+		recipient_onion,
+		payment_id,
+		route_params,
+		Retry::Timeout(Duration::from_secs(10)),
+	) {
+		Ok(_) => {
+			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!("> ");
+		}
+		Err(e) => {
+			println!("ERROR: failed to send payment: {:?}", e);
+			print!("> ");
+			outbound_payments.payments.get_mut(&payment_id).unwrap().status = HTLCStatus::Failed;
+			fs_store.write("", "", OUTBOUND_PAYMENTS_FNAME, &outbound_payments.encode()).unwrap();
+		}
+	};
+}
+
+fn keysend<E: EntropySource>(
+	channel_manager: &ChannelManager, payee_pubkey: PublicKey, amt_msat: u64, entropy_source: &E,
+	outbound_payments: &mut OutboundPaymentInfoStorage, fs_store: Arc<FilesystemStore>,
+) {
+	let payment_preimage = PaymentPreimage(entropy_source.get_secure_random_bytes());
+	let payment_id = PaymentId(Sha256::hash(&payment_preimage.0[..]).to_byte_array());
+
+	let route_params = RouteParameters::from_payment_params_and_value(
+		PaymentParameters::for_keysend(payee_pubkey, 40, false),
+		amt_msat,
+	);
+	outbound_payments.payments.insert(
+		payment_id,
+		PaymentInfo {
+			preimage: None,
+			secret: None,
+			status: HTLCStatus::Pending,
+			amt_msat: MillisatAmount(Some(amt_msat)),
+		},
+	);
+	fs_store.write("", "", OUTBOUND_PAYMENTS_FNAME, &outbound_payments.encode()).unwrap();
+	match channel_manager.send_spontaneous_payment_with_retry(
+		Some(payment_preimage),
+		RecipientOnionFields::spontaneous_empty(),
+		payment_id,
+		route_params,
+		Retry::Timeout(Duration::from_secs(10)),
+	) {
+		Ok(_payment_hash) => {
+			println!("EVENT: initiated sending {} msats to {}", amt_msat, payee_pubkey);
+			print!("> ");
+		}
+		Err(e) => {
+			println!("ERROR: failed to send payment: {:?}", e);
+			print!("> ");
+			outbound_payments.payments.get_mut(&payment_id).unwrap().status = HTLCStatus::Failed;
+			fs_store.write("", "", OUTBOUND_PAYMENTS_FNAME, &outbound_payments.encode()).unwrap();
+		}
+	};
+}
+
+fn get_invoice(
+	amt_msat: u64, inbound_payments: &mut InboundPaymentInfoStorage,
+	channel_manager: &ChannelManager, keys_manager: Arc<KeysManager>, network: Network,
+	expiry_secs: u32, logger: Arc<disk::FilesystemLogger>,
+) {
+	let currency = match network {
+		Network::Bitcoin => Currency::Bitcoin,
+		Network::Regtest => Currency::Regtest,
+		Network::Signet => Currency::Signet,
+		Network::Testnet | _ => Currency::BitcoinTestnet,
+	};
+	let invoice = match utils::create_invoice_from_channelmanager(
+		channel_manager,
+		keys_manager,
+		logger,
+		currency,
+		Some(amt_msat),
+		"ldk-tutorial-node".to_string(),
+		expiry_secs,
+		None,
+	) {
+		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().to_byte_array());
+	inbound_payments.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], counterparty_node_id: PublicKey, channel_manager: Arc<ChannelManager>,
+) {
+	match channel_manager.close_channel(&ChannelId(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], counterparty_node_id: PublicKey, channel_manager: Arc<ChannelManager>,
+) {
+	match channel_manager
+		.force_close_broadcasting_latest_txn(&ChannelId(channel_id), &counterparty_node_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() {
+		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()))
 }