1 //! Test that no series of bytes received over the wire/connections created/payments sent can
2 //! result in a crash. We do this by standing up a node and then reading bytes from input to denote
3 //! actions such as creating new inbound/outbound connections, bytes to be read from a connection,
4 //! or payments to send/ways to handle events generated.
5 //! This test has been very useful, though due to its complexity good starting inputs are critical.
7 use bitcoin::blockdata::block::BlockHeader;
8 use bitcoin::blockdata::transaction::{Transaction, TxOut};
9 use bitcoin::blockdata::script::{Builder, Script};
10 use bitcoin::blockdata::opcodes;
11 use bitcoin::consensus::encode::deserialize;
12 use bitcoin::network::constants::Network;
13 use bitcoin::util::hash::BitcoinHash;
15 use bitcoin_hashes::Hash as TraitImport;
16 use bitcoin_hashes::HashEngine as TraitImportEngine;
17 use bitcoin_hashes::sha256::Hash as Sha256;
18 use bitcoin_hashes::hash160::Hash as Hash160;
19 use bitcoin_hashes::sha256d::Hash as Sha256dHash;
21 use lightning::chain::chaininterface::{BroadcasterInterface,ConfirmationTarget,ChainListener,FeeEstimator,ChainWatchInterfaceUtil};
22 use lightning::chain::transaction::OutPoint;
23 use lightning::chain::keysinterface::{InMemoryChannelKeys, KeysInterface};
24 use lightning::ln::channelmonitor;
25 use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage};
26 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor};
27 use lightning::ln::router::Router;
28 use lightning::util::events::{EventsProvider,Event};
29 use lightning::util::enforcing_trait_impls::EnforcingChannelKeys;
30 use lightning::util::logger::Logger;
31 use lightning::util::config::UserConfig;
33 use utils::test_logger;
35 use secp256k1::key::{PublicKey,SecretKey};
36 use secp256k1::Secp256k1;
38 use std::cell::RefCell;
39 use std::collections::{HashMap, hash_map};
42 use std::sync::{Arc,Mutex};
43 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
46 pub fn slice_to_be16(v: &[u8]) -> u16 {
47 ((v[0] as u16) << 8*1) |
48 ((v[1] as u16) << 8*0)
52 pub fn slice_to_be24(v: &[u8]) -> u32 {
53 ((v[0] as u32) << 8*2) |
54 ((v[1] as u32) << 8*1) |
55 ((v[2] as u32) << 8*0)
59 pub fn slice_to_be32(v: &[u8]) -> u32 {
60 ((v[0] as u32) << 8*3) |
61 ((v[1] as u32) << 8*2) |
62 ((v[2] as u32) << 8*1) |
63 ((v[3] as u32) << 8*0)
67 pub fn be64_to_array(u: u64) -> [u8; 8] {
69 v[0] = ((u >> 8*7) & 0xff) as u8;
70 v[1] = ((u >> 8*6) & 0xff) as u8;
71 v[2] = ((u >> 8*5) & 0xff) as u8;
72 v[3] = ((u >> 8*4) & 0xff) as u8;
73 v[4] = ((u >> 8*3) & 0xff) as u8;
74 v[5] = ((u >> 8*2) & 0xff) as u8;
75 v[6] = ((u >> 8*1) & 0xff) as u8;
76 v[7] = ((u >> 8*0) & 0xff) as u8;
82 read_pos: AtomicUsize,
85 fn get_slice(&self, len: usize) -> Option<&[u8]> {
86 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
87 if self.data.len() < old_pos + len {
90 Some(&self.data[old_pos..old_pos + len])
94 struct FuzzEstimator {
95 input: Arc<InputData>,
97 impl FeeEstimator for FuzzEstimator {
98 fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u64 {
100 //TODO: We should actually be testing at least much more than 64k...
101 match self.input.get_slice(2) {
102 Some(slice) => cmp::max(slice_to_be16(slice) as u64, 253),
108 pub struct TestBroadcaster {
109 pub txn_broadcasted: Mutex<Vec<Transaction>>,
111 impl BroadcasterInterface for TestBroadcaster {
112 fn broadcast_transaction(&self, tx: &Transaction) {
113 self.txn_broadcasted.lock().unwrap().push(tx.clone());
120 peers_connected: &'a RefCell<[bool; 256]>,
122 impl<'a> SocketDescriptor for Peer<'a> {
123 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
126 fn disconnect_socket(&mut self) {
127 assert!(self.peers_connected.borrow()[self.id as usize]);
128 self.peers_connected.borrow_mut()[self.id as usize] = false;
131 impl<'a> PartialEq for Peer<'a> {
132 fn eq(&self, other: &Self) -> bool {
136 impl<'a> Eq for Peer<'a> {}
137 impl<'a> Hash for Peer<'a> {
138 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
143 struct MoneyLossDetector<'a> {
144 manager: Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint>>>>,
145 monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint>>,
146 broadcaster: Arc<TestBroadcaster>,
147 handler: PeerManager<Peer<'a>, Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint>>>>>,
149 peers: &'a RefCell<[bool; 256]>,
150 funding_txn: Vec<Transaction>,
151 txids_confirmed: HashMap<Sha256dHash, usize>,
152 header_hashes: Vec<Sha256dHash>,
155 blocks_connected: u32,
157 impl<'a> MoneyLossDetector<'a> {
158 pub fn new(peers: &'a RefCell<[bool; 256]>, manager: Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint>>>>, monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint>>, broadcaster: Arc<TestBroadcaster>, handler: PeerManager<Peer<'a>, Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint>>>>>) -> Self {
166 funding_txn: Vec::new(),
167 txids_confirmed: HashMap::new(),
168 header_hashes: vec![Default::default()],
175 fn connect_block(&mut self, all_txn: &[Transaction]) {
176 let mut txn = Vec::with_capacity(all_txn.len());
177 let mut txn_idxs = Vec::with_capacity(all_txn.len());
178 for (idx, tx) in all_txn.iter().enumerate() {
179 let txid = tx.txid();
180 match self.txids_confirmed.entry(txid) {
181 hash_map::Entry::Vacant(e) => {
182 e.insert(self.height);
184 txn_idxs.push(idx as u32 + 1);
190 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: self.blocks_connected, bits: 42, nonce: 42 };
192 self.blocks_connected += 1;
193 self.manager.block_connected(&header, self.height as u32, &txn[..], &txn_idxs[..]);
194 (*self.monitor).block_connected(&header, self.height as u32, &txn[..], &txn_idxs[..]);
195 if self.header_hashes.len() > self.height {
196 self.header_hashes[self.height] = header.bitcoin_hash();
198 assert_eq!(self.header_hashes.len(), self.height);
199 self.header_hashes.push(header.bitcoin_hash());
201 self.max_height = cmp::max(self.height, self.max_height);
204 fn disconnect_block(&mut self) {
205 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
206 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
207 self.manager.block_disconnected(&header, self.height as u32);
208 self.monitor.block_disconnected(&header, self.height as u32);
210 let removal_height = self.height;
211 self.txids_confirmed.retain(|_, height| {
212 removal_height != *height
218 impl<'a> Drop for MoneyLossDetector<'a> {
220 if !::std::thread::panicking() {
221 // Disconnect all peers
222 for (idx, peer) in self.peers.borrow().iter().enumerate() {
224 self.handler.disconnect_event(&Peer{id: idx as u8, peers_connected: &self.peers});
228 // Force all channels onto the chain (and time out claim txn)
229 self.manager.force_close_all_channels();
230 for _ in 0..6*24*14 {
231 self.connect_block(&[]);
235 // Test that all broadcasted transactions either spend one of our funding transactions or
236 // some other broadcasted transaction:
238 let mut txn_map = HashMap::new();
239 let mut funding_txn_map = HashMap::new();
240 for tx in self.funding_txn.drain(..) {
241 funding_txn_map.insert(tx.bitcoin_hash(), tx);
243 let mut txn_broadcasted = self.broadcaster.txn_broadcasted.lock().unwrap();
244 for tx in txn_broadcasted.drain(..) {
245 txn_map.insert(tx.bitcoin_hash(), tx);
247 /*for (_, tx) in txn_map.iter() {
248 for inp in tx.input.iter() {
249 let prev_tx = match funding_txn_map.get(&inp.prev_hash) {
252 txn_map.get(&inp.prev_hash).unwrap()
255 assert!(prev_tx.output.len() > inp.prev_index as usize);
259 //XXX: Find all non-conflicting sets of txn broadcasted and ensure that in each case we
260 //always get back at least the amount we expect minus tx fees (which we should be able to
266 node_secret: SecretKey,
269 impl KeysInterface for KeyProvider {
270 type ChanKeySigner = EnforcingChannelKeys;
272 fn get_node_secret(&self) -> SecretKey {
273 self.node_secret.clone()
276 fn get_destination_script(&self) -> Script {
277 let secp_ctx = Secp256k1::signing_only();
278 let channel_monitor_claim_key = SecretKey::from_slice(&hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
279 let our_channel_monitor_claim_key_hash = <Hash160 as bitcoin_hashes::Hash>::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
280 Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
283 fn get_shutdown_pubkey(&self) -> PublicKey {
284 let secp_ctx = Secp256k1::signing_only();
285 PublicKey::from_secret_key(&secp_ctx, &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, 0]).unwrap())
288 fn get_channel_keys(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingChannelKeys {
289 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
290 EnforcingChannelKeys::new(if inbound {
291 InMemoryChannelKeys {
292 funding_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, 1, ctr]).unwrap(),
293 revocation_base_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, 2, ctr]).unwrap(),
294 payment_base_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, 3, ctr]).unwrap(),
295 delayed_payment_base_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, 4, ctr]).unwrap(),
296 htlc_base_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, 5, ctr]).unwrap(),
297 commitment_seed: [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],
298 remote_channel_pubkeys: None,
299 channel_value_satoshis: channel_value_satoshis,
302 InMemoryChannelKeys {
303 funding_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, 7, ctr]).unwrap(),
304 revocation_base_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, 8, ctr]).unwrap(),
305 payment_base_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, 9, ctr]).unwrap(),
306 delayed_payment_base_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, 10, ctr]).unwrap(),
307 htlc_base_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, 11, ctr]).unwrap(),
308 commitment_seed: [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],
309 remote_channel_pubkeys: None,
310 channel_value_satoshis: channel_value_satoshis,
315 fn get_onion_rand(&self) -> (SecretKey, [u8; 32]) {
316 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
317 (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, 13, ctr]).unwrap(),
321 fn get_channel_id(&self) -> [u8; 32] {
322 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
323 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
324 (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]
329 pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
330 let input = Arc::new(InputData {
332 read_pos: AtomicUsize::new(0),
334 let fee_est = Arc::new(FuzzEstimator {
335 input: input.clone(),
338 macro_rules! get_slice {
340 match input.get_slice($len as usize) {
341 Some(slice) => slice,
347 macro_rules! get_pubkey {
349 match PublicKey::from_slice(get_slice!(33)) {
356 let our_network_key = match SecretKey::from_slice(get_slice!(32)) {
361 let watch = Arc::new(ChainWatchInterfaceUtil::new(Network::Bitcoin, Arc::clone(&logger)));
362 let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
363 let monitor = Arc::new(channelmonitor::SimpleManyChannelMonitor::new(watch.clone(), broadcast.clone(), Arc::clone(&logger), fee_est.clone()));
365 let keys_manager = Arc::new(KeyProvider { node_secret: our_network_key.clone(), counter: AtomicU64::new(0) });
366 let mut config = UserConfig::default();
367 config.channel_options.fee_proportional_millionths = slice_to_be32(get_slice!(4));
368 config.channel_options.announced_channel = get_slice!(1)[0] != 0;
369 config.peer_channel_config_limits.min_dust_limit_satoshis = 0;
370 let channelmanager = Arc::new(ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, 0).unwrap());
371 let router = Arc::new(Router::new(PublicKey::from_secret_key(&Secp256k1::signing_only(), &keys_manager.get_node_secret()), watch.clone(), Arc::clone(&logger)));
373 let peers = RefCell::new([false; 256]);
374 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), broadcast.clone(), PeerManager::new(MessageHandler {
375 chan_handler: channelmanager.clone(),
376 route_handler: router.clone(),
377 }, our_network_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, 15, 0], Arc::clone(&logger)));
379 let mut should_forward = false;
380 let mut payments_received: Vec<(PaymentHash, Option<[u8; 32]>, u64)> = Vec::new();
381 let mut payments_sent = 0;
382 let mut pending_funding_generation: Vec<([u8; 32], u64, Script)> = Vec::new();
383 let mut pending_funding_signatures = HashMap::new();
384 let mut pending_funding_relay = Vec::new();
387 let a = get_slice!(1)[0];
388 println!("action: {}", a);
393 if !peers.borrow()[i-1] {
398 if new_id == 0 { return; }
399 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
400 peers.borrow_mut()[new_id - 1] = true;
405 if !peers.borrow()[i-1] {
410 if new_id == 0 { return; }
411 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
412 peers.borrow_mut()[new_id - 1] = true;
415 let peer_id = get_slice!(1)[0];
416 if !peers.borrow()[peer_id as usize] { return; }
417 loss_detector.handler.disconnect_event(&Peer{id: peer_id, peers_connected: &peers});
418 peers.borrow_mut()[peer_id as usize] = false;
421 let peer_id = get_slice!(1)[0];
422 if !peers.borrow()[peer_id as usize] { return; }
423 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
424 Ok(res) => assert!(!res),
425 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
429 let value = slice_to_be24(get_slice!(3)) as u64;
430 let route = match router.get_route(&get_pubkey!(), None, &Vec::new(), value, 42) {
434 let mut payment_hash = PaymentHash([0; 32]);
435 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
436 let mut sha = Sha256::engine();
437 sha.input(&payment_hash.0[..]);
438 payment_hash.0 = Sha256::from_engine(sha).into_inner();
440 match channelmanager.send_payment(route, payment_hash, None) {
446 let peer_id = get_slice!(1)[0];
447 if !peers.borrow()[peer_id as usize] { return; }
448 let their_key = get_pubkey!();
449 let chan_value = slice_to_be24(get_slice!(3)) as u64;
450 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
451 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0).is_err() { return; }
454 let mut channels = channelmanager.list_channels();
455 let channel_id = get_slice!(1)[0] as usize;
456 if channel_id >= channels.len() { return; }
457 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
458 if channelmanager.close_channel(&channels[channel_id].channel_id).is_err() { return; }
462 channelmanager.process_pending_htlc_forwards();
463 should_forward = false;
467 for (payment, payment_secret, amt) in payments_received.drain(..) {
468 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
469 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
470 // fulfill this HTLC, but if they are, we can just take the first byte and
471 // place that anywhere in our preimage.
472 if &payment.0[1..] != &[0; 31] {
473 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
475 let mut payment_preimage = PaymentPreimage([0; 32]);
476 payment_preimage.0[0] = payment.0[0];
477 channelmanager.claim_funds(payment_preimage, &payment_secret, amt);
482 for (payment, payment_secret, _) in payments_received.drain(..) {
483 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
487 'outer_loop: for funding_generation in pending_funding_generation.drain(..) {
488 let mut tx = Transaction { version: 0, lock_time: 0, input: Vec::new(), output: vec![TxOut {
489 value: funding_generation.1, script_pubkey: funding_generation.2,
491 let funding_output = 'search_loop: loop {
492 let funding_txid = tx.txid();
493 if let None = loss_detector.txids_confirmed.get(&funding_txid) {
494 let outpoint = OutPoint::new(funding_txid, 0);
495 for chan in channelmanager.list_channels() {
496 if chan.channel_id == outpoint.to_channel_id() {
498 continue 'search_loop;
504 if tx.version > 0xff {
505 continue 'outer_loop;
508 channelmanager.funding_transaction_generated(&funding_generation.0, funding_output.clone());
509 pending_funding_signatures.insert(funding_output, tx);
513 if !pending_funding_relay.is_empty() {
514 loss_detector.connect_block(&pending_funding_relay[..]);
516 loss_detector.connect_block(&[]);
519 for tx in pending_funding_relay.drain(..) {
520 loss_detector.funding_txn.push(tx);
524 let txlen = slice_to_be16(get_slice!(2));
526 loss_detector.connect_block(&[]);
528 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
529 if let Ok(tx) = txres {
530 let mut output_val = 0;
531 for out in tx.output.iter() {
532 if out.value > 21_000_000_0000_0000 { return; }
533 output_val += out.value;
534 if output_val > 21_000_000_0000_0000 { return; }
536 loss_detector.connect_block(&[tx]);
543 loss_detector.disconnect_block();
546 let mut channels = channelmanager.list_channels();
547 let channel_id = get_slice!(1)[0] as usize;
548 if channel_id >= channels.len() { return; }
549 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
550 channelmanager.force_close_channel(&channels[channel_id].channel_id);
554 println!("PROCESSING EVENTS");
555 loss_detector.handler.process_events();
556 for event in loss_detector.manager.get_and_clear_pending_events() {
558 Event::FundingGenerationReady { temporary_channel_id, channel_value_satoshis, output_script, .. } => {
560 pending_funding_generation.push((temporary_channel_id, channel_value_satoshis, output_script));
562 Event::FundingBroadcastSafe { funding_txo, .. } => {
564 pending_funding_relay.push(pending_funding_signatures.remove(&funding_txo).unwrap());
566 Event::PaymentReceived { payment_hash, payment_secret, amt } => {
567 //TODO: enhance by fetching random amounts from fuzz input?
568 payments_received.push((payment_hash, payment_secret, amt));
570 Event::PaymentSent {..} => {},
571 Event::PaymentFailed {..} => {},
572 Event::PendingHTLCsForwardable {..} => {
573 println!("PENDING HTLCS FORWARDABLE");
574 should_forward = true;
576 Event::SpendableOutputs {..} => {},
583 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
584 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned()));
585 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
590 use utils::test_logger;
591 use lightning::util::logger::{Logger, Record};
592 use std::collections::HashMap;
593 use std::sync::{Arc, Mutex};
595 struct TrackingLogger {
596 /// (module, message) -> count
597 pub lines: Mutex<HashMap<(String, String), usize>>,
599 impl Logger for TrackingLogger {
600 fn log(&self, record: &Record) {
601 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
602 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
607 fn test_no_existing_test_breakage() {
608 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
609 // changes (such as requesting feerate info in a new place), we run a pretty full
610 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
611 // so this should be updated pretty liberally, but at least we'll know when changes occur.
612 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
614 // What each byte represents is broken down below, and then everything is concatenated into
615 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
617 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
618 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
619 // of the Lightning message
620 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
621 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
623 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
625 // 0000000000000000000000000000000000000000000000000000000000000000 - our network key
626 // 00000000 - fee_proportional_millionths
627 // 01 - announce_channels_publicly
629 // 00 - new outbound connection with id 0
630 // 030000000000000000000000000000000000000000000000000000000000000000 - peer's pubkey
631 // 030032 - inbound read from peer id 0 of len 50
632 // 00 030000000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - noise act two (0||pubkey||mac)
634 // 030012 - inbound read from peer id 0 of len 18
635 // 0006 03000000000000000000000000000000 - message header indicating message length 6
636 // 030016 - inbound read from peer id 0 of len 22
637 // 0010 00000000 03000000000000000000000000000000 - init message with no features (type 16) and mac
639 // 030012 - inbound read from peer id 0 of len 18
640 // 0141 03000000000000000000000000000000 - message header indicating message length 321
641 // 0300fe - inbound read from peer id 0 of len 254
642 // 0020 7500000000000000000000000000000000000000000000000000000000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000222 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
643 // 030053 - inbound read from peer id 0 of len 83
644 // 030000000000000000000000000000000000000000000000000000000000000005 030000000000000000000000000000000000000000000000000000000000000000 01 03000000000000000000000000000000 - rest of open_channel and mac
646 // 00fd00fd00fd - Three feerate requests (all returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
647 // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
649 // 030012 - inbound read from peer id 0 of len 18
650 // 0084 03000000000000000000000000000000 - message header indicating message length 132
651 // 030094 - inbound read from peer id 0 of len 148
652 // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 5c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 03000000000000000000000000000000 - funding_created and mac
653 // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
655 // 0c005e - connect a block with one transaction of len 94
656 // 020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
657 // 0c0000 - connect a block with no transactions
658 // 0c0000 - connect a block with no transactions
659 // 0c0000 - connect a block with no transactions
660 // 0c0000 - connect a block with no transactions
661 // 0c0000 - connect a block with no transactions
662 // 0c0000 - connect a block with no transactions
663 // 0c0000 - connect a block with no transactions
664 // 0c0000 - connect a block with no transactions
665 // 0c0000 - connect a block with no transactions
666 // 0c0000 - connect a block with no transactions
667 // 0c0000 - connect a block with no transactions
668 // 0c0000 - connect a block with no transactions
669 // - by now client should have sent a funding_locked (CHECK 3: SendFundingLocked to 03000000 for chan 3d000000)
671 // 030012 - inbound read from peer id 0 of len 18
672 // 0043 03000000000000000000000000000000 - message header indicating message length 67
673 // 030053 - inbound read from peer id 0 of len 83
674 // 0024 3d00000000000000000000000000000000000000000000000000000000000000 030100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_locked and mac
676 // 01 - new inbound connection with id 1
677 // 030132 - inbound read from peer id 1 of len 50
678 // 0003000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000 - inbound noise act 1
679 // 030142 - inbound read from peer id 1 of len 66
680 // 000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000 - inbound noise act 3
682 // 030112 - inbound read from peer id 1 of len 18
683 // 0006 01000000000000000000000000000000 - message header indicating message length 6
684 // 030116 - inbound read from peer id 1 of len 22
685 // 0010 00000000 01000000000000000000000000000000 - init message with no features (type 16)
687 // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat
688 // 00fd00fd00fd - Three feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
690 // 030112 - inbound read from peer id 1 of len 18
691 // 0110 01000000000000000000000000000000 - message header indicating message length 272
692 // 0301ff - inbound read from peer id 1 of len 255
693 // 0021 0000000000000000000000000000000000000000000000000000000000000e02 000000000000001a 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 03000000000000000000000000000000 - beginning of accept_channel
694 // 030121 - inbound read from peer id 1 of len 33
695 // 0000000000000000000000000000000000 01000000000000000000000000000000 - rest of accept_channel and mac
697 // 0a - create the funding transaction (client should send funding_created now)
699 // 030112 - inbound read from peer id 1 of len 18
700 // 0062 01000000000000000000000000000000 - message header indicating message length 98
701 // 030172 - inbound read from peer id 1 of len 114
702 // 0023 3900000000000000000000000000000000000000000000000000000000000000 f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 01000000000000000000000000000000 - funding_signed message and mac
704 // 0b - broadcast funding transaction
705 // - by now client should have sent a funding_locked (CHECK 4: SendFundingLocked to 03020000 for chan 3f000000)
707 // 030112 - inbound read from peer id 1 of len 18
708 // 0043 01000000000000000000000000000000 - message header indicating message length 67
709 // 030153 - inbound read from peer id 1 of len 83
710 // 0024 3900000000000000000000000000000000000000000000000000000000000000 030100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_locked and mac
712 // 030012 - inbound read from peer id 0 of len 18
713 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
714 // 0300ff - inbound read from peer id 0 of len 255
715 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e8000000010000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
716 // 0300ff - inbound read from peer id 0 of len 255
717 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
718 // 0300ff - inbound read from peer id 0 of len 255
719 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
720 // 0300ff - inbound read from peer id 0 of len 255
721 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
722 // 0300ff - inbound read from peer id 0 of len 255
723 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
724 // 0300c1 - inbound read from peer id 0 of len 193
725 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ef00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
727 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
729 // 030012 - inbound read from peer id 0 of len 18
730 // 0064 03000000000000000000000000000000 - message header indicating message length 100
731 // 030074 - inbound read from peer id 0 of len 116
732 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 4d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
733 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
735 // 030012 - inbound read from peer id 0 of len 18
736 // 0063 03000000000000000000000000000000 - message header indicating message length 99
737 // 030073 - inbound read from peer id 0 of len 115
738 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 030200000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
740 // 07 - process the now-pending HTLC forward
741 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: SendHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
743 // - we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
744 // 030112 - inbound read from peer id 1 of len 18
745 // 0064 01000000000000000000000000000000 - message header indicating message length 100
746 // 030174 - inbound read from peer id 1 of len 116
747 // 0084 3900000000000000000000000000000000000000000000000000000000000000 f1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
749 // 030112 - inbound read from peer id 1 of len 18
750 // 0063 01000000000000000000000000000000 - message header indicating message length 99
751 // 030173 - inbound read from peer id 1 of len 115
752 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 030200000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
754 // 030112 - inbound read from peer id 1 of len 18
755 // 004a 01000000000000000000000000000000 - message header indicating message length 74
756 // 03015a - inbound read from peer id 1 of len 90
757 // 0082 3900000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000 - update_fulfill_htlc and mac
758 // - client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
760 // 030112 - inbound read from peer id 1 of len 18
761 // 0064 01000000000000000000000000000000 - message header indicating message length 100
762 // 030174 - inbound read from peer id 1 of len 116
763 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fd000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
765 // 030112 - inbound read from peer id 1 of len 18
766 // 0063 01000000000000000000000000000000 - message header indicating message length 99
767 // 030173 - inbound read from peer id 1 of len 115
768 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0100000000000000000000000000000000000000000000000000000000000000 030300000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
770 // - before responding to the commitment_signed generated above, send a new HTLC
771 // 030012 - inbound read from peer id 0 of len 18
772 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
773 // 0300ff - inbound read from peer id 0 of len 255
774 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e8000000010000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
775 // 0300ff - inbound read from peer id 0 of len 255
776 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
777 // 0300ff - inbound read from peer id 0 of len 255
778 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
779 // 0300ff - inbound read from peer id 0 of len 255
780 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
781 // 0300ff - inbound read from peer id 0 of len 255
782 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
783 // 0300c1 - inbound read from peer id 0 of len 193
784 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ef00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
786 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
788 // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
789 // 030012 - inbound read from peer id 0 of len 18
790 // 0063 03000000000000000000000000000000 - message header indicating message length 99
791 // 030073 - inbound read from peer id 0 of len 115
792 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0100000000000000000000000000000000000000000000000000000000000000 030300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
793 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
795 // 030012 - inbound read from peer id 0 of len 18
796 // 0064 03000000000000000000000000000000 - message header indicating message length 100
797 // 030074 - inbound read from peer id 0 of len 116
798 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 be000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
800 // 030012 - inbound read from peer id 0 of len 18
801 // 0063 03000000000000000000000000000000 - message header indicating message length 99
802 // 030073 - inbound read from peer id 0 of len 115
803 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0200000000000000000000000000000000000000000000000000000000000000 030400000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
805 // 07 - process the now-pending HTLC forward
806 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
807 // - we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
809 // 030112 - inbound read from peer id 1 of len 18
810 // 0064 01000000000000000000000000000000 - message header indicating message length 100
811 // 030174 - inbound read from peer id 1 of len 116
812 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
814 // 030112 - inbound read from peer id 1 of len 18
815 // 0063 01000000000000000000000000000000 - message header indicating message length 99
816 // 030173 - inbound read from peer id 1 of len 115
817 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0200000000000000000000000000000000000000000000000000000000000000 030400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
819 // 030112 - inbound read from peer id 1 of len 18
820 // 002c 01000000000000000000000000000000 - message header indicating message length 44
821 // 03013c - inbound read from peer id 1 of len 60
822 // 0083 3900000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000 - update_fail_htlc and mac
824 // 030112 - inbound read from peer id 1 of len 18
825 // 0064 01000000000000000000000000000000 - message header indicating message length 100
826 // 030174 - inbound read from peer id 1 of len 116
827 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
829 // 030112 - inbound read from peer id 1 of len 18
830 // 0063 01000000000000000000000000000000 - message header indicating message length 99
831 // 030173 - inbound read from peer id 1 of len 115
832 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0300000000000000000000000000000000000000000000000000000000000000 030500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
834 // 07 - process the now-pending HTLC forward
835 // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
836 // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
838 // 030012 - inbound read from peer id 0 of len 18
839 // 0063 03000000000000000000000000000000 - message header indicating message length 99
840 // 030073 - inbound read from peer id 0 of len 115
841 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0300000000000000000000000000000000000000000000000000000000000000 030500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
843 // 030012 - inbound read from peer id 0 of len 18
844 // 0064 03000000000000000000000000000000 - message header indicating message length 100
845 // 030074 - inbound read from peer id 0 of len 116
846 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 4f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
847 // - client should now respond with revoke_and_ack (CHECK 5 duplicate)
849 // 030012 - inbound read from peer id 0 of len 18
850 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
851 // 0300ff - inbound read from peer id 0 of len 255
852 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e0000010000000000000003e800000000010000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
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 // 0300ff - inbound read from peer id 0 of len 255
860 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
861 // 0300c1 - inbound read from peer id 0 of len 193
862 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ef00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
864 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
866 // 030012 - inbound read from peer id 0 of len 18
867 // 00a4 03000000000000000000000000000000 - message header indicating message length 164
868 // 0300b4 - inbound read from peer id 0 of len 180
869 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 07000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0001 c8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007f00000000000000 03000000000000000000000000000000 - commitment_signed and mac
870 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
872 // 030012 - inbound read from peer id 0 of len 18
873 // 0063 03000000000000000000000000000000 - message header indicating message length 99
874 // 030073 - inbound read from peer id 0 of len 115
875 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0400000000000000000000000000000000000000000000000000000000000000 030600000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
877 // 07 - process the now-pending HTLC forward
878 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
880 // 0c007d - connect a block with one transaction of len 125
881 // 0200000001390000000000000000000000000000000000000000000000000000000000000000000000000000008002000100000000000022002090000000000000000000000000000000000000000000000000000000000000006cc10000000000001600145c0000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
882 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
883 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
884 // 0c005e - connect a block with one transaction of len 94
885 // 0200000001fd00000000000000000000000000000000000000000000000000000000000000000000000000000000014f00000000000000220020f60000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
886 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
887 // 0c0000 - connect a block with no transactions
888 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
889 // 0c0000 - connect a block with no transactions
890 // 0c0000 - connect a block with no transactions
891 // 0c0000 - connect a block with no transactions
892 // 0c0000 - connect a block with no transactions
894 // 07 - process the now-pending HTLC forward
895 // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
897 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
898 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&(Arc::clone(&logger) as Arc<dyn Logger>));
900 let log_entries = logger.lines.lock().unwrap();
901 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendAcceptChannel event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 for channel ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679".to_string())), Some(&1)); // 1
902 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingSigned event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 2
903 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingLocked event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 3
904 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingLocked event in peer_handler for node 030200000000000000000000000000000000000000000000000000000000000000 for channel 3900000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 4
905 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendRevokeAndACK event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&4)); // 5
906 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 with 0 adds, 0 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 6
907 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 3900000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 7
908 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 with 0 adds, 1 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 8
909 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 with 0 adds, 0 fulfills, 1 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&2)); // 9
910 assert_eq!(log_entries.get(&("lightning::ln::channelmonitor".to_string(), "Input spending remote commitment tx (00000000000000000000000000000000000000000000000000000000000000fd:0) in 0000000000000000000000000000000000000000000000000000000000000044 resolves outbound HTLC with payment hash ff00000000000000000000000000000000000000000000000000000000000000 with timeout".to_string())), Some(&1)); // 10