1 // This file is Copyright its original authors, visible in version control
4 // This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
5 // or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
7 // You may not use this file except in accordance with one or both of these
10 //! Test that no series of bytes received over the wire/connections created/payments sent can
11 //! result in a crash. We do this by standing up a node and then reading bytes from input to denote
12 //! actions such as creating new inbound/outbound connections, bytes to be read from a connection,
13 //! or payments to send/ways to handle events generated.
14 //! This test has been very useful, though due to its complexity good starting inputs are critical.
16 use bitcoin::blockdata::constants::genesis_block;
17 use bitcoin::blockdata::transaction::{Transaction, TxOut};
18 use bitcoin::blockdata::script::{Builder, Script};
19 use bitcoin::blockdata::opcodes;
20 use bitcoin::blockdata::locktime::PackedLockTime;
21 use bitcoin::consensus::encode::deserialize;
22 use bitcoin::network::constants::Network;
24 use bitcoin::hashes::Hash as TraitImport;
25 use bitcoin::hashes::HashEngine as TraitImportEngine;
26 use bitcoin::hashes::sha256::Hash as Sha256;
27 use bitcoin::hashes::sha256d::Hash as Sha256dHash;
28 use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash};
31 use lightning::chain::{BestBlock, ChannelMonitorUpdateStatus, Confirm, Listen};
32 use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
33 use lightning::chain::chainmonitor;
34 use lightning::chain::transaction::OutPoint;
35 use lightning::sign::{InMemorySigner, Recipient, KeyMaterial, EntropySource, NodeSigner, SignerProvider};
36 use lightning::events::Event;
37 use lightning::ln::{ChannelId, PaymentHash, PaymentPreimage, PaymentSecret};
38 use lightning::ln::channelmanager::{ChainParameters, ChannelDetails, ChannelManager, PaymentId, RecipientOnionFields, Retry};
39 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor,IgnoringMessageHandler};
40 use lightning::ln::msgs::{self, DecodeError};
41 use lightning::ln::script::ShutdownScript;
42 use lightning::ln::functional_test_utils::*;
43 use lightning::offers::invoice::UnsignedBolt12Invoice;
44 use lightning::offers::invoice_request::UnsignedInvoiceRequest;
45 use lightning::routing::gossip::{P2PGossipSync, NetworkGraph};
46 use lightning::routing::utxo::UtxoLookup;
47 use lightning::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteParameters, Router};
48 use lightning::util::config::{UserConfig, MaxDustHTLCExposure};
49 use lightning::util::errors::APIError;
50 use lightning::util::test_channel_signer::{TestChannelSigner, EnforcementState};
51 use lightning::util::logger::Logger;
52 use lightning::util::ser::{ReadableArgs, Writeable};
54 use crate::utils::test_logger;
55 use crate::utils::test_persister::TestPersister;
57 use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1};
58 use bitcoin::secp256k1::ecdh::SharedSecret;
59 use bitcoin::secp256k1::ecdsa::{RecoverableSignature, Signature};
60 use bitcoin::secp256k1::schnorr;
62 use std::cell::RefCell;
63 use hashbrown::{HashMap, hash_map};
64 use std::convert::TryInto;
66 use std::sync::{Arc, Mutex};
67 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
68 use bitcoin::bech32::u5;
71 pub fn slice_to_be16(v: &[u8]) -> u16 {
72 ((v[0] as u16) << 8*1) |
73 ((v[1] as u16) << 8*0)
77 pub fn slice_to_be24(v: &[u8]) -> u32 {
78 ((v[0] as u32) << 8*2) |
79 ((v[1] as u32) << 8*1) |
80 ((v[2] as u32) << 8*0)
84 pub fn slice_to_be32(v: &[u8]) -> u32 {
85 ((v[0] as u32) << 8*3) |
86 ((v[1] as u32) << 8*2) |
87 ((v[2] as u32) << 8*1) |
88 ((v[3] as u32) << 8*0)
92 pub fn be64_to_array(u: u64) -> [u8; 8] {
94 v[0] = ((u >> 8*7) & 0xff) as u8;
95 v[1] = ((u >> 8*6) & 0xff) as u8;
96 v[2] = ((u >> 8*5) & 0xff) as u8;
97 v[3] = ((u >> 8*4) & 0xff) as u8;
98 v[4] = ((u >> 8*3) & 0xff) as u8;
99 v[5] = ((u >> 8*2) & 0xff) as u8;
100 v[6] = ((u >> 8*1) & 0xff) as u8;
101 v[7] = ((u >> 8*0) & 0xff) as u8;
107 read_pos: AtomicUsize,
110 fn get_slice(&self, len: usize) -> Option<&[u8]> {
111 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
112 if self.data.len() < old_pos + len {
115 Some(&self.data[old_pos..old_pos + len])
119 struct FuzzEstimator {
120 input: Arc<InputData>,
122 impl FeeEstimator for FuzzEstimator {
123 fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
124 //TODO: We should actually be testing at least much more than 64k...
125 match self.input.get_slice(2) {
126 Some(slice) => cmp::max(slice_to_be16(slice) as u32, 253),
134 impl Router for FuzzRouter {
136 &self, _payer: &PublicKey, _params: &RouteParameters, _first_hops: Option<&[&ChannelDetails]>,
137 _inflight_htlcs: InFlightHtlcs
138 ) -> Result<Route, msgs::LightningError> {
139 Err(msgs::LightningError {
140 err: String::from("Not implemented"),
141 action: msgs::ErrorAction::IgnoreError
146 struct TestBroadcaster {
147 txn_broadcasted: Mutex<Vec<Transaction>>,
149 impl BroadcasterInterface for TestBroadcaster {
150 fn broadcast_transactions(&self, txs: &[&Transaction]) {
151 let owned_txs: Vec<Transaction> = txs.iter().map(|tx| (*tx).clone()).collect();
152 self.txn_broadcasted.lock().unwrap().extend(owned_txs);
159 peers_connected: &'a RefCell<[bool; 256]>,
161 impl<'a> SocketDescriptor for Peer<'a> {
162 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
165 fn disconnect_socket(&mut self) {
166 assert!(self.peers_connected.borrow()[self.id as usize]);
167 self.peers_connected.borrow_mut()[self.id as usize] = false;
170 impl<'a> PartialEq for Peer<'a> {
171 fn eq(&self, other: &Self) -> bool {
175 impl<'a> Eq for Peer<'a> {}
176 impl<'a> std::hash::Hash for Peer<'a> {
177 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
182 type ChannelMan<'a> = ChannelManager<
183 Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
184 Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<FuzzEstimator>, &'a FuzzRouter, Arc<dyn Logger>>;
185 type PeerMan<'a> = PeerManager<Peer<'a>, Arc<ChannelMan<'a>>, Arc<P2PGossipSync<Arc<NetworkGraph<Arc<dyn Logger>>>, Arc<dyn UtxoLookup>, Arc<dyn Logger>>>, IgnoringMessageHandler, Arc<dyn Logger>, IgnoringMessageHandler, Arc<KeyProvider>>;
187 struct MoneyLossDetector<'a> {
188 manager: Arc<ChannelMan<'a>>,
189 monitor: Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
190 handler: PeerMan<'a>,
192 peers: &'a RefCell<[bool; 256]>,
193 funding_txn: Vec<Transaction>,
194 txids_confirmed: HashMap<Txid, usize>,
195 header_hashes: Vec<(BlockHash, u32)>,
198 blocks_connected: u32,
200 impl<'a> MoneyLossDetector<'a> {
201 pub fn new(peers: &'a RefCell<[bool; 256]>,
202 manager: Arc<ChannelMan<'a>>,
203 monitor: Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
204 handler: PeerMan<'a>) -> Self {
211 funding_txn: Vec::new(),
212 txids_confirmed: HashMap::new(),
213 header_hashes: vec![(genesis_block(Network::Bitcoin).block_hash(), 0)],
220 fn connect_block(&mut self, all_txn: &[Transaction]) {
221 let mut txdata = Vec::with_capacity(all_txn.len());
222 for (idx, tx) in all_txn.iter().enumerate() {
223 let txid = tx.txid();
224 match self.txids_confirmed.entry(txid) {
225 hash_map::Entry::Vacant(e) => {
226 e.insert(self.height);
227 txdata.push((idx + 1, tx));
233 self.blocks_connected += 1;
234 let header = create_dummy_header(self.header_hashes[self.height].0, self.blocks_connected);
236 self.manager.transactions_confirmed(&header, &txdata, self.height as u32);
237 self.manager.best_block_updated(&header, self.height as u32);
238 (*self.monitor).transactions_confirmed(&header, &txdata, self.height as u32);
239 (*self.monitor).best_block_updated(&header, self.height as u32);
240 if self.header_hashes.len() > self.height {
241 self.header_hashes[self.height] = (header.block_hash(), self.blocks_connected);
243 assert_eq!(self.header_hashes.len(), self.height);
244 self.header_hashes.push((header.block_hash(), self.blocks_connected));
246 self.max_height = cmp::max(self.height, self.max_height);
249 fn disconnect_block(&mut self) {
250 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
251 let header = create_dummy_header(self.header_hashes[self.height - 1].0, self.header_hashes[self.height].1);
252 self.manager.block_disconnected(&header, self.height as u32);
253 self.monitor.block_disconnected(&header, self.height as u32);
255 let removal_height = self.height;
256 self.txids_confirmed.retain(|_, height| {
257 removal_height != *height
263 impl<'a> Drop for MoneyLossDetector<'a> {
265 if !::std::thread::panicking() {
266 // Disconnect all peers
267 for (idx, peer) in self.peers.borrow().iter().enumerate() {
269 self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
273 // Force all channels onto the chain (and time out claim txn)
274 self.manager.force_close_all_channels_broadcasting_latest_txn();
280 node_secret: SecretKey,
281 inbound_payment_key: KeyMaterial,
283 signer_state: RefCell<HashMap<u8, (bool, Arc<Mutex<EnforcementState>>)>>
286 impl EntropySource for KeyProvider {
287 fn get_secure_random_bytes(&self) -> [u8; 32] {
288 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
289 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
290 (ctr >> 8*7) as u8, (ctr >> 8*6) as u8, (ctr >> 8*5) as u8, (ctr >> 8*4) as u8, (ctr >> 8*3) as u8, (ctr >> 8*2) as u8, (ctr >> 8*1) as u8, 14, (ctr >> 8*0) as u8]
294 impl NodeSigner for KeyProvider {
295 fn get_node_id(&self, recipient: Recipient) -> Result<PublicKey, ()> {
296 let node_secret = match recipient {
297 Recipient::Node => Ok(&self.node_secret),
298 Recipient::PhantomNode => Err(())
300 Ok(PublicKey::from_secret_key(&Secp256k1::signing_only(), node_secret))
303 fn ecdh(&self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&Scalar>) -> Result<SharedSecret, ()> {
304 let mut node_secret = match recipient {
305 Recipient::Node => Ok(self.node_secret.clone()),
306 Recipient::PhantomNode => Err(())
308 if let Some(tweak) = tweak {
309 node_secret = node_secret.mul_tweak(tweak).map_err(|_| ())?;
311 Ok(SharedSecret::new(other_key, &node_secret))
314 fn get_inbound_payment_key_material(&self) -> KeyMaterial {
315 self.inbound_payment_key.clone()
318 fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
322 fn sign_bolt12_invoice_request(
323 &self, _invoice_request: &UnsignedInvoiceRequest
324 ) -> Result<schnorr::Signature, ()> {
328 fn sign_bolt12_invoice(
329 &self, _invoice: &UnsignedBolt12Invoice,
330 ) -> Result<schnorr::Signature, ()> {
334 fn sign_gossip_message(&self, msg: lightning::ln::msgs::UnsignedGossipMessage) -> Result<Signature, ()> {
335 let msg_hash = Message::from_slice(&Sha256dHash::hash(&msg.encode()[..])[..]).map_err(|_| ())?;
336 let secp_ctx = Secp256k1::signing_only();
337 Ok(secp_ctx.sign_ecdsa(&msg_hash, &self.node_secret))
341 impl SignerProvider for KeyProvider {
342 type Signer = TestChannelSigner;
344 fn generate_channel_keys_id(&self, inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128) -> [u8; 32] {
345 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
346 self.signer_state.borrow_mut().insert(ctr, (inbound, Arc::new(Mutex::new(EnforcementState::new()))));
350 fn derive_channel_signer(&self, channel_value_satoshis: u64, channel_keys_id: [u8; 32]) -> Self::Signer {
351 let secp_ctx = Secp256k1::signing_only();
352 let ctr = channel_keys_id[0];
353 let (inbound, state) = self.signer_state.borrow().get(&ctr).unwrap().clone();
354 TestChannelSigner::new_with_revoked(if inbound {
357 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, ctr]).unwrap(),
358 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, ctr]).unwrap(),
359 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, ctr]).unwrap(),
360 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, ctr]).unwrap(),
361 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, ctr]).unwrap(),
362 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, ctr],
363 channel_value_satoshis,
370 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, ctr]).unwrap(),
371 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, ctr]).unwrap(),
372 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, ctr]).unwrap(),
373 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, ctr]).unwrap(),
374 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, ctr]).unwrap(),
375 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, ctr],
376 channel_value_satoshis,
383 fn read_chan_signer(&self, mut data: &[u8]) -> Result<TestChannelSigner, DecodeError> {
384 let inner: InMemorySigner = ReadableArgs::read(&mut data, self)?;
385 let state = Arc::new(Mutex::new(EnforcementState::new()));
387 Ok(TestChannelSigner::new_with_revoked(
394 fn get_destination_script(&self) -> Result<Script, ()> {
395 let secp_ctx = Secp256k1::signing_only();
396 let channel_monitor_claim_key = SecretKey::from_slice(&hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
397 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
398 Ok(Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script())
401 fn get_shutdown_scriptpubkey(&self) -> Result<ShutdownScript, ()> {
402 let secp_ctx = Secp256k1::signing_only();
403 let secret_key = SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]).unwrap();
404 let pubkey_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &secret_key).serialize());
405 Ok(ShutdownScript::new_p2wpkh(&pubkey_hash))
410 pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
411 let input = Arc::new(InputData {
413 read_pos: AtomicUsize::new(0),
415 let fee_est = Arc::new(FuzzEstimator {
416 input: input.clone(),
418 let router = FuzzRouter {};
420 macro_rules! get_slice {
422 match input.get_slice($len as usize) {
423 Some(slice) => slice,
429 macro_rules! get_pubkey {
431 match PublicKey::from_slice(get_slice!(33)) {
438 let our_network_key = match SecretKey::from_slice(get_slice!(32)) {
443 let inbound_payment_key = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 42];
445 let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
446 let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(),
447 Arc::new(TestPersister { update_ret: Mutex::new(ChannelMonitorUpdateStatus::Completed) })));
449 let keys_manager = Arc::new(KeyProvider {
450 node_secret: our_network_key.clone(),
451 inbound_payment_key: KeyMaterial(inbound_payment_key.try_into().unwrap()),
452 counter: AtomicU64::new(0),
453 signer_state: RefCell::new(HashMap::new())
455 let mut config = UserConfig::default();
456 config.channel_config.forwarding_fee_proportional_millionths = slice_to_be32(get_slice!(4));
457 config.channel_config.max_dust_htlc_exposure = MaxDustHTLCExposure::FeeRateMultiplier(5_000_000 / 253);
458 config.channel_handshake_config.announced_channel = get_slice!(1)[0] != 0;
459 let network = Network::Bitcoin;
460 let best_block_timestamp = genesis_block(network).header.time;
461 let params = ChainParameters {
463 best_block: BestBlock::from_network(network),
465 let channelmanager = Arc::new(ChannelManager::new(fee_est.clone(), monitor.clone(), broadcast.clone(), &router, Arc::clone(&logger), keys_manager.clone(), keys_manager.clone(), keys_manager.clone(), config, params, best_block_timestamp));
466 // Adding new calls to `EntropySource::get_secure_random_bytes` during startup can change all the
467 // keys subsequently generated in this test. Rather than regenerating all the messages manually,
468 // it's easier to just increment the counter here so the keys don't change.
469 keys_manager.counter.fetch_sub(3, Ordering::AcqRel);
470 let network_graph = Arc::new(NetworkGraph::new(network, Arc::clone(&logger)));
471 let gossip_sync = Arc::new(P2PGossipSync::new(Arc::clone(&network_graph), None, Arc::clone(&logger)));
473 let peers = RefCell::new([false; 256]);
474 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
475 chan_handler: channelmanager.clone(),
476 route_handler: gossip_sync.clone(),
477 onion_message_handler: IgnoringMessageHandler {},
478 custom_message_handler: IgnoringMessageHandler {},
479 }, 0, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 0], Arc::clone(&logger), keys_manager.clone()));
481 let mut should_forward = false;
482 let mut payments_received: Vec<PaymentHash> = Vec::new();
483 let mut payments_sent = 0;
484 let mut pending_funding_generation: Vec<(ChannelId, PublicKey, u64, Script)> = Vec::new();
485 let mut pending_funding_signatures = HashMap::new();
488 match get_slice!(1)[0] {
492 if !peers.borrow()[i-1] {
497 if new_id == 0 { return; }
498 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
499 peers.borrow_mut()[new_id - 1] = true;
504 if !peers.borrow()[i-1] {
509 if new_id == 0 { return; }
510 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
511 peers.borrow_mut()[new_id - 1] = true;
514 let peer_id = get_slice!(1)[0];
515 if !peers.borrow()[peer_id as usize] { return; }
516 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
517 peers.borrow_mut()[peer_id as usize] = false;
520 let peer_id = get_slice!(1)[0];
521 if !peers.borrow()[peer_id as usize] { return; }
522 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
523 Ok(res) => assert!(!res),
524 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
528 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
529 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
530 let params = RouteParameters::from_payment_params_and_value(
531 payment_params, final_value_msat);
532 let mut payment_hash = PaymentHash([0; 32]);
533 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
534 let mut sha = Sha256::engine();
535 sha.input(&payment_hash.0[..]);
536 payment_hash.0 = Sha256::from_engine(sha).into_inner();
538 match channelmanager.send_payment(payment_hash,
539 RecipientOnionFields::spontaneous_empty(), PaymentId(payment_hash.0), params,
547 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
548 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
549 let params = RouteParameters::from_payment_params_and_value(
550 payment_params, final_value_msat);
551 let mut payment_hash = PaymentHash([0; 32]);
552 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
553 let mut sha = Sha256::engine();
554 sha.input(&payment_hash.0[..]);
555 payment_hash.0 = Sha256::from_engine(sha).into_inner();
557 let mut payment_secret = PaymentSecret([0; 32]);
558 payment_secret.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
560 match channelmanager.send_payment(payment_hash,
561 RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0),
562 params, Retry::Attempts(0))
569 let peer_id = get_slice!(1)[0];
570 if !peers.borrow()[peer_id as usize] { return; }
571 let their_key = get_pubkey!();
572 let chan_value = slice_to_be24(get_slice!(3)) as u64;
573 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
574 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None).is_err() { return; }
577 let mut channels = channelmanager.list_channels();
578 let channel_id = get_slice!(1)[0] as usize;
579 if channel_id >= channels.len() { return; }
580 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
581 if channelmanager.close_channel(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).is_err() { return; }
585 channelmanager.process_pending_htlc_forwards();
586 should_forward = false;
590 for payment in payments_received.drain(..) {
591 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
592 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
593 // fulfill this HTLC, but if they are, we can just take the first byte and
594 // place that anywhere in our preimage.
595 if &payment.0[1..] != &[0; 31] {
596 channelmanager.fail_htlc_backwards(&payment);
598 let mut payment_preimage = PaymentPreimage([0; 32]);
599 payment_preimage.0[0] = payment.0[0];
600 channelmanager.claim_funds(payment_preimage);
605 let payment_preimage = PaymentPreimage(keys_manager.get_secure_random_bytes());
606 let mut sha = Sha256::engine();
607 sha.input(&payment_preimage.0[..]);
608 let payment_hash = PaymentHash(Sha256::from_engine(sha).into_inner());
609 // Note that this may fail - our hashes may collide and we'll end up trying to
610 // double-register the same payment_hash.
611 let _ = channelmanager.create_inbound_payment_for_hash(payment_hash, None, 1, None);
614 for payment in payments_received.drain(..) {
615 channelmanager.fail_htlc_backwards(&payment);
619 'outer_loop: for funding_generation in pending_funding_generation.drain(..) {
620 let mut tx = Transaction { version: 0, lock_time: PackedLockTime::ZERO, input: Vec::new(), output: vec![TxOut {
621 value: funding_generation.2, script_pubkey: funding_generation.3,
623 let funding_output = 'search_loop: loop {
624 let funding_txid = tx.txid();
625 if let None = loss_detector.txids_confirmed.get(&funding_txid) {
626 let outpoint = OutPoint { txid: funding_txid, index: 0 };
627 for chan in channelmanager.list_channels() {
628 if chan.channel_id == outpoint.to_channel_id() {
630 continue 'search_loop;
636 if tx.version > 0xff {
637 continue 'outer_loop;
640 if let Err(e) = channelmanager.funding_transaction_generated(&funding_generation.0, &funding_generation.1, tx.clone()) {
641 // It's possible the channel has been closed in the mean time, but any other
642 // failure may be a bug.
643 if let APIError::ChannelUnavailable { .. } = e { } else { panic!(); }
645 pending_funding_signatures.insert(funding_output, tx);
649 let mut txn = broadcast.txn_broadcasted.lock().unwrap().split_off(0);
651 loss_detector.connect_block(&txn[..]);
653 loss_detector.connect_block(&[]);
656 for tx in txn.drain(..) {
657 loss_detector.funding_txn.push(tx);
661 let txlen = slice_to_be16(get_slice!(2));
663 loss_detector.connect_block(&[]);
665 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
666 if let Ok(tx) = txres {
667 let mut output_val = 0;
668 for out in tx.output.iter() {
669 if out.value > 21_000_000_0000_0000 { return; }
670 output_val += out.value;
671 if output_val > 21_000_000_0000_0000 { return; }
673 loss_detector.connect_block(&[tx]);
680 loss_detector.disconnect_block();
683 let mut channels = channelmanager.list_channels();
684 let channel_id = get_slice!(1)[0] as usize;
685 if channel_id >= channels.len() { return; }
686 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
687 channelmanager.force_close_broadcasting_latest_txn(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).unwrap();
692 loss_detector.handler.process_events();
693 for event in loss_detector.manager.get_and_clear_pending_events() {
695 Event::FundingGenerationReady { temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script, .. } => {
696 pending_funding_generation.push((temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script));
698 Event::PaymentClaimable { payment_hash, .. } => {
699 //TODO: enhance by fetching random amounts from fuzz input?
700 payments_received.push(payment_hash);
702 Event::PendingHTLCsForwardable {..} => {
703 should_forward = true;
711 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
712 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
713 do_test(data, &logger);
717 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
718 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
719 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
724 use lightning::util::logger::{Logger, Record};
725 use std::collections::HashMap;
726 use std::sync::{Arc, Mutex};
728 struct TrackingLogger {
729 /// (module, message) -> count
730 pub lines: Mutex<HashMap<(String, String), usize>>,
732 impl Logger for TrackingLogger {
733 fn log(&self, record: &Record) {
734 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
735 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
740 fn test_no_existing_test_breakage() {
741 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
742 // changes (such as requesting feerate info in a new place), we run a pretty full
743 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
744 // so this should be updated pretty liberally, but at least we'll know when changes occur.
745 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
747 // What each byte represents is broken down below, and then everything is concatenated into
748 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
750 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
751 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
752 // of the Lightning message
753 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
754 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
756 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
758 // 0100000000000000000000000000000000000000000000000000000000000000 - our network key
759 // 00000000 - fee_proportional_millionths
760 // 01 - announce_channels_publicly
762 // 00 - new outbound connection with id 0
763 // 030000000000000000000000000000000000000000000000000000000000000002 - peer's pubkey
764 // 030032 - inbound read from peer id 0 of len 50
765 // 00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000 - noise act two (0||pubkey||mac)
767 // 030012 - inbound read from peer id 0 of len 18
768 // 0010 03000000000000000000000000000000 - message header indicating message length 16
769 // 030020 - inbound read from peer id 0 of len 32
770 // 0010 00021aaa 0008aaaaaaaaaaaa9aaa 03000000000000000000000000000000 - init message (type 16) with static_remotekey required and other bits optional and mac
772 // 030012 - inbound read from peer id 0 of len 18
773 // 0147 03000000000000000000000000000000 - message header indicating message length 327
774 // 0300fe - inbound read from peer id 0 of len 254
775 // 0020 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000162 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
776 // 030059 - inbound read from peer id 0 of len 89
777 // 030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 0000 01021000 03000000000000000000000000000000 - rest of open_channel and mac
779 // 00fd00fd - Two feerate requests (all returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
780 // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
782 // 030012 - inbound read from peer id 0 of len 18
783 // 0084 03000000000000000000000000000000 - message header indicating message length 132
784 // 030094 - inbound read from peer id 0 of len 148
785 // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 00000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_created and mac
786 // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
788 // 0c005e - connect a block with one transaction of len 94
789 // 020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
790 // 0c0000 - connect a block with no transactions
791 // 0c0000 - connect a block with no transactions
792 // 0c0000 - connect a block with no transactions
793 // 0c0000 - connect a block with no transactions
794 // 0c0000 - connect a block with no transactions
795 // 0c0000 - connect a block with no transactions
796 // 0c0000 - connect a block with no transactions
797 // 0c0000 - connect a block with no transactions
798 // 0c0000 - connect a block with no transactions
799 // 0c0000 - connect a block with no transactions
800 // 0c0000 - connect a block with no transactions
801 // 0c0000 - connect a block with no transactions
802 // - by now client should have sent a channel_ready (CHECK 3: SendChannelReady to 03000000 for chan 3d000000)
804 // 030012 - inbound read from peer id 0 of len 18
805 // 0043 03000000000000000000000000000000 - message header indicating message length 67
806 // 030053 - inbound read from peer id 0 of len 83
807 // 0024 3d00000000000000000000000000000000000000000000000000000000000000 020800000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - channel_ready and mac
809 // 01 - new inbound connection with id 1
810 // 030132 - inbound read from peer id 1 of len 50
811 // 0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000 - inbound noise act 1
812 // 030142 - inbound read from peer id 1 of len 66
813 // 000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000 - inbound noise act 3
815 // 030112 - inbound read from peer id 1 of len 18
816 // 0010 01000000000000000000000000000000 - message header indicating message length 16
817 // 030120 - inbound read from peer id 1 of len 32
818 // 0010 00021aaa 0008aaaaaaaaaaaa9aaa 01000000000000000000000000000000 - init message (type 16) with static_remotekey required and other bits optional and mac
820 // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat
821 // 00fd - One feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
823 // 030112 - inbound read from peer id 1 of len 18
824 // 0112 01000000000000000000000000000000 - message header indicating message length 274
825 // 0301ff - inbound read from peer id 1 of len 255
826 // 0021 0000000000000000000000000000000000000000000000000000000000000e05 0000000000000162 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 02660000000000000000000000000000 - beginning of accept_channel
827 // 030123 - inbound read from peer id 1 of len 35
828 // 0000000000000000000000000000000000 0000 01000000000000000000000000000000 - rest of accept_channel and mac
830 // 0a - create the funding transaction (client should send funding_created now)
832 // 00fd00fd - Two feerate requests (calculating max dust exposure) (all returning min feerate) (gonna be ingested by FuzzEstimator)
834 // 030112 - inbound read from peer id 1 of len 18
835 // 0062 01000000000000000000000000000000 - message header indicating message length 98
836 // 030172 - inbound read from peer id 1 of len 114
837 // 0023 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_signed message and mac
839 // 0b - broadcast funding transaction
840 // - by now client should have sent a channel_ready (CHECK 4: SendChannelReady to 03020000 for chan 3f000000)
842 // 030112 - inbound read from peer id 1 of len 18
843 // 0043 01000000000000000000000000000000 - message header indicating message length 67
844 // 030153 - inbound read from peer id 1 of len 83
845 // 0024 3a00000000000000000000000000000000000000000000000000000000000000 026700000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - channel_ready and mac
847 // 030012 - inbound read from peer id 0 of len 18
848 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
849 // 0300ff - inbound read from peer id 0 of len 255
850 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
851 // 0300ff - inbound read from peer id 0 of len 255
852 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
853 // 0300ff - inbound read from peer id 0 of len 255
854 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
855 // 0300ff - inbound read from peer id 0 of len 255
856 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
857 // 0300ff - inbound read from peer id 0 of len 255
858 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
859 // 0300c1 - inbound read from peer id 0 of len 193
860 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
862 // 00fd - One feerate request (calculating max dust exposure) (all returning min feerate) (gonna be ingested by FuzzEstimator)
864 // 030012 - inbound read from peer id 0 of len 18
865 // 0064 03000000000000000000000000000000 - message header indicating message length 100
866 // 030074 - inbound read from peer id 0 of len 116
867 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000300100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
868 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
870 // 030012 - inbound read from peer id 0 of len 18
871 // 0063 03000000000000000000000000000000 - message header indicating message length 99
872 // 030073 - inbound read from peer id 0 of len 115
873 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0900000000000000000000000000000000000000000000000000000000000000 020b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
875 // 07 - process the now-pending HTLC forward
876 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: UpdateHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
878 // 00fd00fd - Two feerate requests (calculating max dust exposure) (all returning min feerate) (gonna be ingested by FuzzEstimator)
880 // - we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
881 // 030112 - inbound read from peer id 1 of len 18
882 // 0064 01000000000000000000000000000000 - message header indicating message length 100
883 // 030174 - inbound read from peer id 1 of len 116
884 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000006a0001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
886 // 030112 - inbound read from peer id 1 of len 18
887 // 0063 01000000000000000000000000000000 - message header indicating message length 99
888 // 030173 - inbound read from peer id 1 of len 115
889 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6600000000000000000000000000000000000000000000000000000000000000 026400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
891 // 030112 - inbound read from peer id 1 of len 18
892 // 004a 01000000000000000000000000000000 - message header indicating message length 74
893 // 03015a - inbound read from peer id 1 of len 90
894 // 0082 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000 - update_fulfill_htlc and mac
895 // - client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
897 // 030112 - inbound read from peer id 1 of len 18
898 // 0064 01000000000000000000000000000000 - message header indicating message length 100
899 // 030174 - inbound read from peer id 1 of len 116
900 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000100001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
902 // 030112 - inbound read from peer id 1 of len 18
903 // 0063 01000000000000000000000000000000 - message header indicating message length 99
904 // 030173 - inbound read from peer id 1 of len 115
905 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6700000000000000000000000000000000000000000000000000000000000000 026500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
907 // - before responding to the commitment_signed generated above, send a new HTLC
908 // 030012 - inbound read from peer id 0 of len 18
909 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
910 // 0300ff - inbound read from peer id 0 of len 255
911 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
912 // 0300ff - inbound read from peer id 0 of len 255
913 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
914 // 0300ff - inbound read from peer id 0 of len 255
915 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
916 // 0300ff - inbound read from peer id 0 of len 255
917 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
918 // 0300ff - inbound read from peer id 0 of len 255
919 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
920 // 0300c1 - inbound read from peer id 0 of len 193
921 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
923 // 00fd - One feerate request (calculating max dust exposure) (all returning min feerate) (gonna be ingested by FuzzEstimator)
925 // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
926 // 030012 - inbound read from peer id 0 of len 18
927 // 0063 03000000000000000000000000000000 - message header indicating message length 99
928 // 030073 - inbound read from peer id 0 of len 115
929 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0800000000000000000000000000000000000000000000000000000000000000 020a00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
930 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
932 // 030012 - inbound read from peer id 0 of len 18
933 // 0064 03000000000000000000000000000000 - message header indicating message length 100
934 // 030074 - inbound read from peer id 0 of len 116
935 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000c30100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
937 // 030012 - inbound read from peer id 0 of len 18
938 // 0063 03000000000000000000000000000000 - message header indicating message length 99
939 // 030073 - inbound read from peer id 0 of len 115
940 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0b00000000000000000000000000000000000000000000000000000000000000 020d00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
942 // 07 - process the now-pending HTLC forward
943 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
944 // - we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
946 // 00fd00fd - Two feerate requests (calculating max dust exposure) (all returning min feerate) (gonna be ingested by FuzzEstimator)
948 // 030112 - inbound read from peer id 1 of len 18
949 // 0064 01000000000000000000000000000000 - message header indicating message length 100
950 // 030174 - inbound read from peer id 1 of len 116
951 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
953 // 030112 - inbound read from peer id 1 of len 18
954 // 0063 01000000000000000000000000000000 - message header indicating message length 99
955 // 030173 - inbound read from peer id 1 of len 115
956 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6400000000000000000000000000000000000000000000000000000000000000 027000000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
958 // 030112 - inbound read from peer id 1 of len 18
959 // 002c 01000000000000000000000000000000 - message header indicating message length 44
960 // 03013c - inbound read from peer id 1 of len 60
961 // 0083 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000 - update_fail_htlc and mac
963 // 030112 - inbound read from peer id 1 of len 18
964 // 0064 01000000000000000000000000000000 - message header indicating message length 100
965 // 030174 - inbound read from peer id 1 of len 116
966 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
968 // 030112 - inbound read from peer id 1 of len 18
969 // 0063 01000000000000000000000000000000 - message header indicating message length 99
970 // 030173 - inbound read from peer id 1 of len 115
971 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6500000000000000000000000000000000000000000000000000000000000000 027100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
973 // 07 - process the now-pending HTLC forward
974 // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
975 // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
977 // 030012 - inbound read from peer id 0 of len 18
978 // 0063 03000000000000000000000000000000 - message header indicating message length 99
979 // 030073 - inbound read from peer id 0 of len 115
980 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0a00000000000000000000000000000000000000000000000000000000000000 020c00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
982 // 030012 - inbound read from peer id 0 of len 18
983 // 0064 03000000000000000000000000000000 - message header indicating message length 100
984 // 030074 - inbound read from peer id 0 of len 116
985 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000320100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
986 // - client should now respond with revoke_and_ack (CHECK 5 duplicate)
988 // 030012 - inbound read from peer id 0 of len 18
989 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
990 // 0300ff - inbound read from peer id 0 of len 255
991 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 12 02030927c0 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
992 // 0300ff - inbound read from peer id 0 of len 255
993 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
994 // 0300ff - inbound read from peer id 0 of len 255
995 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
996 // 0300ff - inbound read from peer id 0 of len 255
997 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
998 // 0300ff - inbound read from peer id 0 of len 255
999 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
1000 // 0300c1 - inbound read from peer id 0 of len 193
1001 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 5300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
1003 // 00fd - One feerate request (calculating max dust exposure) (all returning min feerate) (gonna be ingested by FuzzEstimator)
1005 // 030012 - inbound read from peer id 0 of len 18
1006 // 00a4 03000000000000000000000000000000 - message header indicating message length 164
1007 // 0300b4 - inbound read from peer id 0 of len 180
1008 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000750100000000000000000000000000000000000000000000000000000000000000 0001 00000000000000000000000000000000000000000000000000000000000000670500000000000000000000000000000000000000000000000000000000000006 03000000000000000000000000000000 - commitment_signed and mac
1009 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1011 // 030012 - inbound read from peer id 0 of len 18
1012 // 0063 03000000000000000000000000000000 - message header indicating message length 99
1013 // 030073 - inbound read from peer id 0 of len 115
1014 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0d00000000000000000000000000000000000000000000000000000000000000 020f00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
1016 // 07 - process the now-pending HTLC forward
1017 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1019 // 00fd00fd - Two feerate requests (calculating max dust exposure) (all returning min feerate) (gonna be ingested by FuzzEstimator)
1021 // 0c007d - connect a block with one transaction of len 125
1022 // 02000000013a000000000000000000000000000000000000000000000000000000000000000000000000000000800258020000000000002200204b0000000000000000000000000000000000000000000000000000000000000014c0000000000000160014280000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
1024 // 0c005e - connect a block with one transaction of len 94
1025 // 0200000001730000000000000000000000000000000000000000000000000000000000000000000000000000000001a701000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000 - the HTLC timeout transaction
1026 // 0c0000 - connect a block with no transactions
1027 // 0c0000 - connect a block with no transactions
1028 // 0c0000 - connect a block with no transactions
1029 // 0c0000 - connect a block with no transactions
1030 // 0c0000 - connect a block with no transactions
1032 // 07 - process the now-pending HTLC forward
1033 // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
1035 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1036 super::do_test(&::hex::decode("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&(Arc::clone(&logger) as Arc<dyn Logger>));
1038 let log_entries = logger.lines.lock().unwrap();
1039 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendAcceptChannel event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679".to_string())), Some(&1)); // 1
1040 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingSigned event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 2
1041 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendChannelReady event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 3
1042 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendChannelReady event in peer_handler for node 030200000000000000000000000000000000000000000000000000000000000000 for channel 3a00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 4
1043 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendRevokeAndACK event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&4)); // 5
1044 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 with 0 adds, 0 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 6
1045 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030200000000000000000000000000000000000000000000000000000000000000 with 1 adds, 0 fulfills, 0 fails for channel 3a00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 7
1046 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 with 0 adds, 1 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 8
1047 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 with 0 adds, 0 fulfills, 1 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&2)); // 9
1048 assert_eq!(log_entries.get(&("lightning::chain::channelmonitor".to_string(), "Input spending counterparty commitment tx (0000000000000000000000000000000000000000000000000000000000000073:0) in 0000000000000000000000000000000000000000000000000000000000000067 resolves outbound HTLC with payment hash ff00000000000000000000000000000000000000000000000000000000000000 with timeout".to_string())), Some(&1)); // 10