From: Valentine Wallace Date: Sun, 2 May 2021 21:22:44 +0000 (-0400) Subject: Update to latest RL + fix step numbers + nodeinfo + listpeers commands X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=a73d564d2b7f0733578747ed1c2604bd880efcd9;p=ldk-sample Update to latest RL + fix step numbers + nodeinfo + listpeers commands --- diff --git a/Cargo.lock b/Cargo.lock index 229654b..243c2c0 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -256,7 +256,7 @@ checksum = "b7282d924be3275cec7f6756ff4121987bc6481325397dde6ba3e7802b1a8b1c" [[package]] name = "lightning" version = "0.0.13" -source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=3d51b11fe99c9d6a41b0d662efdf5693d9600552#3d51b11fe99c9d6a41b0d662efdf5693d9600552" +source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=d4d322580994857b1222488f8467311d6db61482#d4d322580994857b1222488f8467311d6db61482" dependencies = [ "bitcoin", ] @@ -264,7 +264,7 @@ dependencies = [ [[package]] name = "lightning-background-processor" version = "0.0.13" -source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=3d51b11fe99c9d6a41b0d662efdf5693d9600552#3d51b11fe99c9d6a41b0d662efdf5693d9600552" +source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=d4d322580994857b1222488f8467311d6db61482#d4d322580994857b1222488f8467311d6db61482" dependencies = [ "bitcoin", "lightning", @@ -274,7 +274,7 @@ dependencies = [ [[package]] name = "lightning-block-sync" version = "0.0.13" -source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=3d51b11fe99c9d6a41b0d662efdf5693d9600552#3d51b11fe99c9d6a41b0d662efdf5693d9600552" +source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=d4d322580994857b1222488f8467311d6db61482#d4d322580994857b1222488f8467311d6db61482" dependencies = [ "bitcoin", "chunked_transfer", @@ -287,10 +287,11 @@ dependencies = [ [[package]] name = "lightning-invoice" version = "0.4.0" -source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=3d51b11fe99c9d6a41b0d662efdf5693d9600552#3d51b11fe99c9d6a41b0d662efdf5693d9600552" +source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=d4d322580994857b1222488f8467311d6db61482#d4d322580994857b1222488f8467311d6db61482" dependencies = [ "bech32 0.7.2", "bitcoin_hashes", + "lightning", "num-traits", "secp256k1", ] @@ -298,7 +299,7 @@ dependencies = [ [[package]] name = "lightning-net-tokio" version = "0.0.13" -source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=3d51b11fe99c9d6a41b0d662efdf5693d9600552#3d51b11fe99c9d6a41b0d662efdf5693d9600552" +source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=d4d322580994857b1222488f8467311d6db61482#d4d322580994857b1222488f8467311d6db61482" dependencies = [ "bitcoin", "lightning", @@ -308,7 +309,7 @@ dependencies = [ [[package]] name = "lightning-persister" version = "0.0.13" -source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=3d51b11fe99c9d6a41b0d662efdf5693d9600552#3d51b11fe99c9d6a41b0d662efdf5693d9600552" +source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=d4d322580994857b1222488f8467311d6db61482#d4d322580994857b1222488f8467311d6db61482" dependencies = [ "bitcoin", "libc", diff --git a/Cargo.toml b/Cargo.toml index 2fae143..b32be57 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -8,22 +8,35 @@ edition = "2018" # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html [dependencies] -lightning-background-processor = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "3d51b11fe99c9d6a41b0d662efdf5693d9600552" } -# lightning-background-processor = { path = "../rust-lightning/background-processor" } +# lightning-background-processor = { git = "https://github.com/rust-bitcoin/rust-lightning", branch = "main" } +lightning-background-processor = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "d4d322580994857b1222488f8467311d6db61482" } +# lightning-background-processor = { path = "../rust-lightning/lightning-background-processor" } base64 = "0.13.0" bitcoin = "0.26" bitcoin-bech32 = "0.7" bech32 = "0.7" hex = "0.3" -lightning = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "3d51b11fe99c9d6a41b0d662efdf5693d9600552" } + +# lightning = { git = "https://github.com/rust-bitcoin/rust-lightning", branch = "main" } +lightning = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "d4d322580994857b1222488f8467311d6db61482" } # lightning = { path = "../rust-lightning/lightning" } -lightning-block-sync = { git = "https://github.com/rust-bitcoin/rust-lightning", features = ["rpc-client"], rev = "3d51b11fe99c9d6a41b0d662efdf5693d9600552" } + +# lightning-block-sync = { git = "https://github.com/rust-bitcoin/rust-lightning", features = ["rpc-client"], branch = "main" } +lightning-block-sync = { git = "https://github.com/rust-bitcoin/rust-lightning", features = ["rpc-client"], rev = "d4d322580994857b1222488f8467311d6db61482" } # lightning-block-sync = { path = "../rust-lightning/lightning-block-sync", features = ["rpc-client"] } -lightning-invoice = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "3d51b11fe99c9d6a41b0d662efdf5693d9600552" } -lightning-net-tokio = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "3d51b11fe99c9d6a41b0d662efdf5693d9600552" } + +# lightning-invoice = { git = "https://github.com/rust-bitcoin/rust-lightning", branch = "main" } +lightning-invoice = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "d4d322580994857b1222488f8467311d6db61482" } +# lightning-invoice = { path = "../rust-lightning/lightning-invoice" } + +# lightning-net-tokio = { git = "https://github.com/rust-bitcoin/rust-lightning", branch = "main" } +lightning-net-tokio = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "d4d322580994857b1222488f8467311d6db61482" } # lightning-net-tokio = { path = "../rust-lightning/lightning-net-tokio" } -lightning-persister = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "3d51b11fe99c9d6a41b0d662efdf5693d9600552" } + +# lightning-persister = { git = "https://github.com/rust-bitcoin/rust-lightning", branch = "main" } +lightning-persister = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "d4d322580994857b1222488f8467311d6db61482" } # lightning-persister = { path = "../rust-lightning/lightning-persister" } + time = "0.2" rand = "0.4" serde_json = { version = "1.0" } diff --git a/rustfmt.toml b/rustfmt.toml index c61104c..c00f655 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -2,4 +2,4 @@ hard_tabs = true # use tab characters for indentation, spaces for alignment use_field_init_shorthand = true max_width = 100 use_small_heuristics = "Max" -fn_args_layout = "Compressed" \ No newline at end of file +fn_args_layout = "Compressed" diff --git a/src/cli.rs b/src/cli.rs index 8033cda..c5dda5f 100644 --- a/src/cli.rs +++ b/src/cli.rs @@ -4,21 +4,17 @@ use crate::{ ChannelManager, FilesystemLogger, HTLCStatus, MillisatAmount, PaymentInfo, PaymentInfoStorage, PeerManager, }; -use bitcoin::hashes::sha256::Hash as Sha256Hash; -use bitcoin::hashes::Hash; use bitcoin::network::constants::Network; -use bitcoin::secp256k1::key::{PublicKey, SecretKey}; -use bitcoin::secp256k1::Secp256k1; +use bitcoin::secp256k1::key::PublicKey; use lightning::chain; -use lightning::ln::channelmanager::{PaymentHash, PaymentPreimage, PaymentSecret}; +use lightning::chain::keysinterface::KeysManager; use lightning::ln::features::InvoiceFeatures; -use lightning::routing::network_graph::{NetGraphMsgHandler, RoutingFees}; +use lightning::ln::{PaymentHash, PaymentSecret}; +use lightning::routing::network_graph::NetGraphMsgHandler; use lightning::routing::router; -use lightning::routing::router::RouteHint; +use lightning::routing::router::RouteHintHop; use lightning::util::config::UserConfig; -use lightning_invoice::{Currency, Invoice, InvoiceBuilder, Route, RouteHop}; -use rand; -use rand::Rng; +use lightning_invoice::{utils, Currency, Invoice}; use std::env; use std::io; use std::io::{BufRead, Write}; @@ -41,7 +37,7 @@ pub(crate) struct LdkUserInfo { } pub(crate) fn parse_startup_args() -> Result { - if env::args().len() < 4 { + if env::args().len() < 3 { println!("ldk-tutorial-node requires 3 arguments: `cargo run :@: ldk_storage_directory_path [] [bitcoin-network]`"); return Err(()); } @@ -71,7 +67,7 @@ pub(crate) fn parse_startup_args() -> Result { 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(e)) => panic!("{}", e), None => { ldk_peer_port_set = false; 9735 @@ -101,10 +97,11 @@ pub(crate) fn parse_startup_args() -> Result { pub(crate) async fn poll_for_user_input( peer_manager: Arc, channel_manager: Arc, - router: Arc, Arc>>, + keys_manager: Arc, + router: Arc, Arc>>, inbound_payments: PaymentInfoStorage, outbound_payments: PaymentInfoStorage, - node_privkey: SecretKey, event_notifier: mpsc::Sender<()>, ldk_data_dir: String, - logger: Arc, network: Network, + event_notifier: mpsc::Sender<()>, ldk_data_dir: String, logger: Arc, + network: Network, ) { println!("LDK startup successful. To view available commands: \"help\".\nLDK logs are available at /.ldk/logs"); let stdin = io::stdin(); @@ -195,16 +192,20 @@ pub(crate) async fn poll_for_user_input( continue; } - let invoice_res = 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 = match Invoice::from_str(invoice_str.unwrap()) { + 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 invoice = invoice_res.unwrap(); - let route_hints: Vec = - invoice.routes().iter().map(|&route| route.clone()).collect(); let amt_pico_btc = invoice.amount_pico_btc(); if amt_pico_btc.is_none() { @@ -216,7 +217,7 @@ pub(crate) async fn poll_for_user_input( 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 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]); @@ -230,54 +231,19 @@ pub(crate) async fn poll_for_user_input( None => None, }; - // rust-lightning-invoice doesn't currently support features, so we parse features - // manually from the invoice. - let mut invoice_features = InvoiceFeatures::empty(); - for field in &invoice.into_signed_raw().raw_invoice().data.tagged_fields { - match field { - lightning_invoice::RawTaggedField::UnknownSemantics(vec) => { - if vec[0] == bech32::u5::try_from_u8(5).unwrap() { - if vec.len() >= 6 && vec[5].to_u8() & 0b10000 != 0 { - invoice_features = - invoice_features.set_variable_length_onion_optional(); - } - if vec.len() >= 6 && vec[5].to_u8() & 0b01000 != 0 { - invoice_features = - invoice_features.set_variable_length_onion_required(); - } - if vec.len() >= 4 && vec[3].to_u8() & 0b00001 != 0 { - invoice_features = - invoice_features.set_payment_secret_optional(); - } - if vec.len() >= 5 && vec[4].to_u8() & 0b10000 != 0 { - invoice_features = - invoice_features.set_payment_secret_required(); - } - if vec.len() >= 4 && vec[3].to_u8() & 0b00100 != 0 { - invoice_features = - invoice_features.set_basic_mpp_optional(); - } - if vec.len() >= 4 && vec[3].to_u8() & 0b00010 != 0 { - invoice_features = - invoice_features.set_basic_mpp_required(); - } - } - } - _ => {} - } - } - let invoice_features_opt = match invoice_features == InvoiceFeatures::empty() { - true => None, - false => Some(invoice_features), + let invoice_features = match invoice.features() { + Some(feat) => Some(feat.clone()), + None => None, }; + send_payment( payee_pubkey, amt_msat, final_cltv, payment_hash, payment_secret, - invoice_features_opt, - route_hints, + invoice_features, + last_hops, router.clone(), channel_manager.clone(), outbound_payments.clone(), @@ -303,8 +269,8 @@ pub(crate) async fn poll_for_user_input( get_invoice( amt_msat.unwrap(), inbound_payments.clone(), - node_privkey.clone(), channel_manager.clone(), + keys_manager.clone(), network, ); } @@ -379,6 +345,8 @@ pub(crate) async fn poll_for_user_input( 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()), _ => println!("Unknown command. See `\"help\" for available commands."), } } @@ -398,6 +366,23 @@ fn help() { println!("forceclosechannel "); } +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() { @@ -523,8 +508,8 @@ fn open_channel( fn send_payment( payee: PublicKey, amt_msat: u64, final_cltv: u32, payment_hash: PaymentHash, payment_secret: Option, payee_features: Option, - mut route_hints: Vec, - router: Arc, Arc>>, + route_hints: Vec, + router: Arc, Arc>>, channel_manager: Arc, payment_storage: PaymentInfoStorage, logger: Arc, ) { @@ -532,29 +517,13 @@ fn send_payment( let first_hops = channel_manager.list_usable_channels(); let payer_pubkey = channel_manager.get_our_node_id(); - let mut hints: Vec = Vec::new(); - for route in route_hints.drain(..) { - let route_hops = route.into_inner(); - let last_hop = &route_hops[route_hops.len() - 1]; - hints.push(RouteHint { - src_node_id: last_hop.pubkey, - short_channel_id: u64::from_be_bytes(last_hop.short_channel_id), - fees: RoutingFees { - base_msat: last_hop.fee_base_msat, - proportional_millionths: last_hop.fee_proportional_millionths, - }, - cltv_expiry_delta: last_hop.cltv_expiry_delta, - htlc_minimum_msat: None, - htlc_maximum_msat: None, - }) - } let route = router::get_route( &payer_pubkey, &network_graph, &payee, payee_features, Some(&first_hops.iter().collect::>()), - &hints.iter().collect::>(), + &route_hints.iter().collect::>(), amt_msat, final_cltv, logger, @@ -587,71 +556,43 @@ fn send_payment( } fn get_invoice( - amt_msat: u64, payment_storage: PaymentInfoStorage, our_node_privkey: SecretKey, - channel_manager: Arc, network: Network, + amt_msat: u64, payment_storage: PaymentInfoStorage, channel_manager: Arc, + keys_manager: Arc, network: Network, ) { let mut payments = payment_storage.lock().unwrap(); - let secp_ctx = Secp256k1::new(); - - let mut preimage = [0; 32]; - rand::thread_rng().fill_bytes(&mut preimage); - let payment_hash = Sha256Hash::hash(&preimage); - - let our_node_pubkey = channel_manager.get_our_node_id(); - let mut invoice = InvoiceBuilder::new(match network { + let currency = match network { Network::Bitcoin => Currency::Bitcoin, Network::Testnet => Currency::BitcoinTestnet, Network::Regtest => Currency::Regtest, - Network::Signet => panic!("Signet invoices not supported"), - }) - .payment_hash(payment_hash) - .description("rust-lightning-bitcoinrpc invoice".to_string()) - .amount_pico_btc(amt_msat * 10) - .current_timestamp() - .payee_pub_key(our_node_pubkey); - - // Add route hints to the invoice. - let our_channels = channel_manager.list_usable_channels(); - let mut min_final_cltv_expiry = 9; - for channel in our_channels { - let short_channel_id = match channel.short_channel_id { - Some(id) => id.to_be_bytes(), - None => continue, - }; - let forwarding_info = match channel.counterparty_forwarding_info { - Some(info) => info, - None => continue, - }; - if forwarding_info.cltv_expiry_delta > min_final_cltv_expiry { - min_final_cltv_expiry = forwarding_info.cltv_expiry_delta; + 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 } - invoice = invoice.route(vec![RouteHop { - pubkey: channel.remote_network_id, - short_channel_id, - fee_base_msat: forwarding_info.fee_base_msat, - fee_proportional_millionths: forwarding_info.fee_proportional_millionths, - cltv_expiry_delta: forwarding_info.cltv_expiry_delta, - }]); - } - invoice = invoice.min_final_cltv_expiry(min_final_cltv_expiry.into()); - - // 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), - } + Err(e) => { + println!("ERROR: failed to create invoice: {:?}", e); + return; + } + }; + let mut payment_hash = PaymentHash([0; 32]); + payment_hash.0.copy_from_slice(&invoice.payment_hash().as_ref()[0..32]); payments.insert( - PaymentHash(payment_hash.into_inner()), + payment_hash, PaymentInfo { - preimage: Some(PaymentPreimage(preimage)), + 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: None, + secret: Some(invoice.payment_secret().unwrap().clone()), status: HTLCStatus::Pending, amt_msat: MillisatAmount(Some(amt_msat)), }, diff --git a/src/main.rs b/src/main.rs index 927284a..b024e93 100644 --- a/src/main.rs +++ b/src/main.rs @@ -23,10 +23,10 @@ use lightning::chain::Filter; use lightning::chain::Watch; use lightning::ln::channelmanager; use lightning::ln::channelmanager::{ - ChainParameters, ChannelManagerReadArgs, PaymentHash, PaymentPreimage, PaymentSecret, - SimpleArcChannelManager, + BestBlock, ChainParameters, ChannelManagerReadArgs, SimpleArcChannelManager, }; use lightning::ln::peer_handler::{MessageHandler, SimpleArcPeerManager}; +use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret}; use lightning::routing::network_graph::NetGraphMsgHandler; use lightning::util::config::UserConfig; use lightning::util::events::{Event, EventsProvider}; @@ -39,6 +39,7 @@ use lightning_block_sync::UnboundedCache; use lightning_net_tokio::SocketDescriptor; use lightning_persister::FilesystemPersister; use rand::{thread_rng, Rng}; +use std::collections::hash_map::Entry; use std::collections::HashMap; use std::fmt; use std::fs; @@ -50,6 +51,7 @@ use std::path::Path; use std::sync::{Arc, Mutex}; use std::time::{Duration, SystemTime}; use tokio::sync::mpsc; +use tokio::sync::mpsc::Receiver; pub(crate) enum HTLCStatus { Pending, @@ -79,7 +81,7 @@ pub(crate) type PaymentInfoStorage = Arc type ChainMonitor = chainmonitor::ChainMonitor< InMemorySigner, - Arc, + Arc, Arc, Arc, Arc, @@ -91,7 +93,7 @@ pub(crate) type PeerManager = SimpleArcPeerManager< ChainMonitor, BitcoindClient, BitcoindClient, - dyn chain::Access, + dyn chain::Access + Send + Sync, FilesystemLogger, >; @@ -102,8 +104,14 @@ async fn handle_ldk_events( channel_manager: Arc, chain_monitor: Arc, bitcoind_client: Arc, keys_manager: Arc, inbound_payments: PaymentInfoStorage, outbound_payments: PaymentInfoStorage, network: Network, + mut event_receiver: Receiver<()>, ) { loop { + let received = event_receiver.recv(); + if received.await.is_none() { + println!("LDK Event channel closed!"); + return; + } let loop_channel_manager = channel_manager.clone(); let mut events = channel_manager.get_and_clear_pending_events(); events.append(&mut chain_monitor.get_and_clear_pending_events()); @@ -149,45 +157,42 @@ async fn handle_ldk_events( .funding_transaction_generated(&temporary_channel_id, final_tx) .unwrap(); } - Event::PaymentReceived { payment_hash, payment_secret, amt } => { + Event::PaymentReceived { + payment_hash, + payment_preimage, + payment_secret, + amt, + .. + } => { let mut payments = inbound_payments.lock().unwrap(); - if let Some(payment) = payments.get_mut(&payment_hash) { - if payment.secret == payment_secret { - assert!(loop_channel_manager.claim_funds( - payment.preimage.unwrap().clone(), - &payment.secret, - payment.amt_msat.0.unwrap(), - )); + let status = match loop_channel_manager.claim_funds(payment_preimage.unwrap()) { + true => { println!( - "\nEVENT: received payment from payment hash {} of {} millisatoshis", - hex_utils::hex_str(&payment_hash.0), - payment.amt_msat - ); + "\nEVENT: received payment from payment hash {} of {} millisatoshis", + hex_utils::hex_str(&payment_hash.0), + amt + ); print!("> "); io::stdout().flush().unwrap(); - payment.status = HTLCStatus::Succeeded; - } else { - loop_channel_manager - .fail_htlc_backwards(&payment_hash, &payment.secret); - println!("\nERROR: we received a payment from payment hash {} but the payment secret didn't match", hex_utils::hex_str(&payment_hash.0)); - print!("> "); - io::stdout().flush().unwrap(); - payment.status = HTLCStatus::Failed; + HTLCStatus::Succeeded } - } else { - loop_channel_manager.fail_htlc_backwards(&payment_hash, &payment_secret); - println!("\nERROR: we received a payment for payment hash {} but didn't know the preimage", hex_utils::hex_str(&payment_hash.0)); - print!("> "); - io::stdout().flush().unwrap(); - payments.insert( - payment_hash, - PaymentInfo { - preimage: None, - secret: payment_secret, - status: HTLCStatus::Failed, + _ => HTLCStatus::Failed, + }; + match payments.entry(payment_hash) { + Entry::Occupied(mut e) => { + let payment = e.get_mut(); + payment.status = status; + payment.preimage = Some(payment_preimage.unwrap()); + payment.secret = Some(payment_secret); + } + Entry::Vacant(e) => { + e.insert(PaymentInfo { + preimage: Some(payment_preimage.unwrap()), + secret: Some(payment_secret), + status, amt_msat: MillisatAmount(Some(amt)), - }, - ); + }); + } } } Event::PaymentSent { payment_preimage } => { @@ -343,7 +348,7 @@ async fn start_ldk() { // Step 7: Read ChannelMonitor state from disk let mut channelmonitors = persister.read_channelmonitors(keys_manager.clone()).unwrap(); - // Step 9: Initialize the ChannelManager + // Step 8: Initialize the ChannelManager let user_config = UserConfig::default(); let mut restarting_node = true; let (channel_manager_blockhash, mut channel_manager) = { @@ -369,8 +374,10 @@ async fn start_ldk() { let chain_params = ChainParameters { network: args.network, - latest_hash: getinfo_resp.latest_blockhash, - latest_height: getinfo_resp.latest_height, + best_block: BestBlock::new( + getinfo_resp.latest_blockhash, + getinfo_resp.latest_height as u32, + ), }; let fresh_channel_manager = channelmanager::ChannelManager::new( fee_estimator.clone(), @@ -385,7 +392,7 @@ async fn start_ldk() { } }; - // Step 10: Sync ChannelMonitors and ChannelManager to chain tip + // Step 9: Sync ChannelMonitors and ChannelManager to chain tip let mut chain_listener_channel_monitors = Vec::new(); let mut cache = UnboundedCache::new(); let mut chain_tip: Option = None; @@ -420,20 +427,23 @@ async fn start_ldk() { ); } - // Step 11: Give ChannelMonitors to ChainMonitor + // Step 10: Give ChannelMonitors to ChainMonitor for item in chain_listener_channel_monitors.drain(..) { let channel_monitor = item.1 .0; let funding_outpoint = item.2; chain_monitor.watch_channel(funding_outpoint, channel_monitor).unwrap(); } - // Step 13: Optional: Initialize the NetGraphMsgHandler + // Step 11: Optional: Initialize the NetGraphMsgHandler // XXX persist routing data let genesis = genesis_block(args.network).header.block_hash(); - let router = - Arc::new(NetGraphMsgHandler::new(genesis, None::>, logger.clone())); + let router = Arc::new(NetGraphMsgHandler::new( + genesis, + None::>, + logger.clone(), + )); - // Step 14: Initialize the PeerManager + // Step 12: Initialize the PeerManager let channel_manager: Arc = Arc::new(channel_manager); let mut ephemeral_bytes = [0; 32]; rand::thread_rng().fill_bytes(&mut ephemeral_bytes); @@ -447,28 +457,28 @@ async fn start_ldk() { )); // ## Running LDK - // Step 16: Initialize Peer Connection Handling + // Step 13: Initialize networking // We poll for events in handle_ldk_events(..) rather than waiting for them over the // mpsc::channel, so we can leave the event receiver as unused. - let (event_ntfn_sender, _event_ntfn_receiver) = mpsc::channel(2); + let (event_ntfn_sender, event_ntfn_receiver) = mpsc::channel(2); let peer_manager_connection_handler = peer_manager.clone(); let event_notifier = event_ntfn_sender.clone(); let listening_port = args.ldk_peer_listening_port; tokio::spawn(async move { let listener = std::net::TcpListener::bind(format!("0.0.0.0:{}", listening_port)).unwrap(); loop { + let peer_mgr = peer_manager_connection_handler.clone(); + let notifier = event_notifier.clone(); let tcp_stream = listener.accept().unwrap().0; - lightning_net_tokio::setup_inbound( - peer_manager_connection_handler.clone(), - event_notifier.clone(), - tcp_stream, - ) - .await; + tokio::spawn(async move { + lightning_net_tokio::setup_inbound(peer_mgr.clone(), notifier.clone(), tcp_stream) + .await; + }); } }); - // Step 17: Connect and Disconnect Blocks + // Step 14: Connect and Disconnect Blocks if chain_tip.is_none() { chain_tip = Some(init::validate_best_block_header(&mut bitcoind_client.deref()).await.unwrap()); @@ -489,18 +499,6 @@ async fn start_ldk() { } }); - // Step 17 & 18: Initialize ChannelManager persistence & Once Per Minute: ChannelManager's - // timer_chan_freshness_every_min() and PeerManager's timer_tick_occurred - let data_dir = ldk_data_dir.clone(); - let persist_channel_manager_callback = - move |node: &ChannelManager| FilesystemPersister::persist_manager(data_dir.clone(), &*node); - BackgroundProcessor::start( - persist_channel_manager_callback, - channel_manager.clone(), - peer_manager.clone(), - logger.clone(), - ); - // Step 15: Initialize LDK Event Handling let channel_manager_event_listener = channel_manager.clone(); let chain_monitor_event_listener = chain_monitor.clone(); @@ -521,10 +519,22 @@ async fn start_ldk() { inbound_pmts_for_events, outbound_pmts_for_events, network, + event_ntfn_receiver, ) .await; }); + // Step 16 & 17: Persist ChannelManager & Background Processing + let data_dir = ldk_data_dir.clone(); + let persist_channel_manager_callback = + move |node: &ChannelManager| FilesystemPersister::persist_manager(data_dir.clone(), &*node); + BackgroundProcessor::start( + persist_channel_manager_callback, + channel_manager.clone(), + peer_manager.clone(), + logger.clone(), + ); + // Reconnect to channel peers if possible. let peer_data_path = format!("{}/channel_peer_data", ldk_data_dir.clone()); match disk::read_channel_peer_data(Path::new(&peer_data_path)) { @@ -549,10 +559,10 @@ async fn start_ldk() { cli::poll_for_user_input( peer_manager.clone(), channel_manager.clone(), + keys_manager.clone(), router.clone(), inbound_payments, outbound_payments, - keys_manager.get_node_secret(), event_ntfn_sender, ldk_data_dir.clone(), logger.clone(),