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::hash_types::{Txid, BlockHash, WPubkeyHash};
20 use lightning::chain::chaininterface::{BroadcasterInterface,ConfirmationTarget,ChainListener,FeeEstimator,ChainWatchInterfaceUtil};
21 use lightning::chain::transaction::OutPoint;
22 use lightning::chain::keysinterface::{InMemoryChannelKeys, KeysInterface};
23 use lightning::ln::channelmonitor;
24 use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage, PaymentSecret};
25 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor};
26 use lightning::routing::router::get_route;
27 use lightning::routing::network_graph::NetGraphMsgHandler;
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 bitcoin::secp256k1::key::{PublicKey,SecretKey};
36 use bitcoin::secp256k1::Secp256k1;
38 use std::cell::RefCell;
39 use std::collections::{HashMap, hash_map};
42 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
45 pub fn slice_to_be16(v: &[u8]) -> u16 {
46 ((v[0] as u16) << 8*1) |
47 ((v[1] as u16) << 8*0)
51 pub fn slice_to_be24(v: &[u8]) -> u32 {
52 ((v[0] as u32) << 8*2) |
53 ((v[1] as u32) << 8*1) |
54 ((v[2] as u32) << 8*0)
58 pub fn slice_to_be32(v: &[u8]) -> u32 {
59 ((v[0] as u32) << 8*3) |
60 ((v[1] as u32) << 8*2) |
61 ((v[2] as u32) << 8*1) |
62 ((v[3] as u32) << 8*0)
66 pub fn be64_to_array(u: u64) -> [u8; 8] {
68 v[0] = ((u >> 8*7) & 0xff) as u8;
69 v[1] = ((u >> 8*6) & 0xff) as u8;
70 v[2] = ((u >> 8*5) & 0xff) as u8;
71 v[3] = ((u >> 8*4) & 0xff) as u8;
72 v[4] = ((u >> 8*3) & 0xff) as u8;
73 v[5] = ((u >> 8*2) & 0xff) as u8;
74 v[6] = ((u >> 8*1) & 0xff) as u8;
75 v[7] = ((u >> 8*0) & 0xff) as u8;
81 read_pos: AtomicUsize,
84 fn get_slice(&self, len: usize) -> Option<&[u8]> {
85 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
86 if self.data.len() < old_pos + len {
89 Some(&self.data[old_pos..old_pos + len])
93 struct FuzzEstimator {
94 input: Arc<InputData>,
96 impl FeeEstimator for FuzzEstimator {
97 fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u64 {
98 //TODO: We should actually be testing at least much more than 64k...
99 match self.input.get_slice(2) {
100 Some(slice) => cmp::max(slice_to_be16(slice) as u64, 253),
106 struct TestBroadcaster {}
107 impl BroadcasterInterface for TestBroadcaster {
108 fn broadcast_transaction(&self, _tx: &Transaction) {}
114 peers_connected: &'a RefCell<[bool; 256]>,
116 impl<'a> SocketDescriptor for Peer<'a> {
117 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
120 fn disconnect_socket(&mut self) {
121 assert!(self.peers_connected.borrow()[self.id as usize]);
122 self.peers_connected.borrow_mut()[self.id as usize] = false;
125 impl<'a> PartialEq for Peer<'a> {
126 fn eq(&self, other: &Self) -> bool {
130 impl<'a> Eq for Peer<'a> {}
131 impl<'a> std::hash::Hash for Peer<'a> {
132 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
137 struct MoneyLossDetector<'a> {
138 manager: Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>>,
139 monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>,
140 handler: PeerManager<Peer<'a>, Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>>, Arc<dyn Logger>>,
142 peers: &'a RefCell<[bool; 256]>,
143 funding_txn: Vec<Transaction>,
144 txids_confirmed: HashMap<Txid, usize>,
145 header_hashes: Vec<BlockHash>,
148 blocks_connected: u32,
150 impl<'a> MoneyLossDetector<'a> {
151 pub fn new(peers: &'a RefCell<[bool; 256]>,
152 manager: Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>>,
153 monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>,
154 handler: PeerManager<Peer<'a>, Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>>, Arc<dyn Logger>>) -> Self {
161 funding_txn: Vec::new(),
162 txids_confirmed: HashMap::new(),
163 header_hashes: vec![Default::default()],
170 fn connect_block(&mut self, all_txn: &[Transaction]) {
171 let mut txn = Vec::with_capacity(all_txn.len());
172 let mut txn_idxs = Vec::with_capacity(all_txn.len());
173 for (idx, tx) in all_txn.iter().enumerate() {
174 let txid = tx.txid();
175 match self.txids_confirmed.entry(txid) {
176 hash_map::Entry::Vacant(e) => {
177 e.insert(self.height);
179 txn_idxs.push(idx as u32 + 1);
185 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: self.blocks_connected, bits: 42, nonce: 42 };
187 self.blocks_connected += 1;
188 self.manager.block_connected(&header, self.height as u32, &txn[..], &txn_idxs[..]);
189 (*self.monitor).block_connected(&header, self.height as u32, &txn[..], &txn_idxs[..]);
190 if self.header_hashes.len() > self.height {
191 self.header_hashes[self.height] = header.bitcoin_hash();
193 assert_eq!(self.header_hashes.len(), self.height);
194 self.header_hashes.push(header.bitcoin_hash());
196 self.max_height = cmp::max(self.height, self.max_height);
199 fn disconnect_block(&mut self) {
200 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
201 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
202 self.manager.block_disconnected(&header, self.height as u32);
203 self.monitor.block_disconnected(&header, self.height as u32);
205 let removal_height = self.height;
206 self.txids_confirmed.retain(|_, height| {
207 removal_height != *height
213 impl<'a> Drop for MoneyLossDetector<'a> {
215 if !::std::thread::panicking() {
216 // Disconnect all peers
217 for (idx, peer) in self.peers.borrow().iter().enumerate() {
219 self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
223 // Force all channels onto the chain (and time out claim txn)
224 self.manager.force_close_all_channels();
225 for _ in 0..6*24*14 {
226 self.connect_block(&[]);
233 node_secret: SecretKey,
236 impl KeysInterface for KeyProvider {
237 type ChanKeySigner = EnforcingChannelKeys;
239 fn get_node_secret(&self) -> SecretKey {
240 self.node_secret.clone()
243 fn get_destination_script(&self) -> Script {
244 let secp_ctx = Secp256k1::signing_only();
245 let channel_monitor_claim_key = SecretKey::from_slice(&hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
246 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
247 Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
250 fn get_shutdown_pubkey(&self) -> PublicKey {
251 let secp_ctx = Secp256k1::signing_only();
252 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())
255 fn get_channel_keys(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingChannelKeys {
256 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
257 let secp_ctx = Secp256k1::signing_only();
258 EnforcingChannelKeys::new(if inbound {
259 InMemoryChannelKeys::new(
261 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(),
262 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(),
263 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(),
264 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(),
265 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(),
266 [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],
267 channel_value_satoshis,
270 InMemoryChannelKeys::new(
272 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(),
273 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(),
274 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(),
275 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(),
276 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(),
277 [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],
278 channel_value_satoshis,
283 fn get_onion_rand(&self) -> (SecretKey, [u8; 32]) {
284 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
285 (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(),
289 fn get_channel_id(&self) -> [u8; 32] {
290 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
291 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
292 (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]
297 pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
298 let input = Arc::new(InputData {
300 read_pos: AtomicUsize::new(0),
302 let fee_est = Arc::new(FuzzEstimator {
303 input: input.clone(),
306 macro_rules! get_slice {
308 match input.get_slice($len as usize) {
309 Some(slice) => slice,
315 macro_rules! get_pubkey {
317 match PublicKey::from_slice(get_slice!(33)) {
324 let our_network_key = match SecretKey::from_slice(get_slice!(32)) {
329 let watch = Arc::new(ChainWatchInterfaceUtil::new(Network::Bitcoin));
330 let broadcast = Arc::new(TestBroadcaster{});
331 let monitor = Arc::new(channelmonitor::SimpleManyChannelMonitor::new(watch.clone(), broadcast.clone(), Arc::clone(&logger), fee_est.clone()));
333 let keys_manager = Arc::new(KeyProvider { node_secret: our_network_key.clone(), counter: AtomicU64::new(0) });
334 let mut config = UserConfig::default();
335 config.channel_options.fee_proportional_millionths = slice_to_be32(get_slice!(4));
336 config.channel_options.announced_channel = get_slice!(1)[0] != 0;
337 config.peer_channel_config_limits.min_dust_limit_satoshis = 0;
338 let channelmanager = Arc::new(ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, 0).unwrap());
339 let our_id = PublicKey::from_secret_key(&Secp256k1::signing_only(), &keys_manager.get_node_secret());
340 let net_graph_msg_handler = Arc::new(NetGraphMsgHandler::new(watch.clone(), Arc::clone(&logger)));
342 let peers = RefCell::new([false; 256]);
343 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
344 chan_handler: channelmanager.clone(),
345 route_handler: net_graph_msg_handler.clone(),
346 }, 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)));
348 let mut should_forward = false;
349 let mut payments_received: Vec<(PaymentHash, Option<PaymentSecret>, u64)> = Vec::new();
350 let mut payments_sent = 0;
351 let mut pending_funding_generation: Vec<([u8; 32], u64, Script)> = Vec::new();
352 let mut pending_funding_signatures = HashMap::new();
353 let mut pending_funding_relay = Vec::new();
356 match get_slice!(1)[0] {
360 if !peers.borrow()[i-1] {
365 if new_id == 0 { return; }
366 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
367 peers.borrow_mut()[new_id - 1] = true;
372 if !peers.borrow()[i-1] {
377 if new_id == 0 { return; }
378 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
379 peers.borrow_mut()[new_id - 1] = true;
382 let peer_id = get_slice!(1)[0];
383 if !peers.borrow()[peer_id as usize] { return; }
384 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
385 peers.borrow_mut()[peer_id as usize] = false;
388 let peer_id = get_slice!(1)[0];
389 if !peers.borrow()[peer_id as usize] { return; }
390 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
391 Ok(res) => assert!(!res),
392 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
396 let value = slice_to_be24(get_slice!(3)) as u64;
397 let route = match get_route(&our_id, &net_graph_msg_handler, &get_pubkey!(), None, &Vec::new(), value, 42, Arc::clone(&logger)) {
401 let mut payment_hash = PaymentHash([0; 32]);
402 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
403 let mut sha = Sha256::engine();
404 sha.input(&payment_hash.0[..]);
405 payment_hash.0 = Sha256::from_engine(sha).into_inner();
407 match channelmanager.send_payment(&route, payment_hash, &None) {
413 let value = slice_to_be24(get_slice!(3)) as u64;
414 let mut route = match get_route(&our_id, &net_graph_msg_handler, &get_pubkey!(), None, &Vec::new(), value, 42, Arc::clone(&logger)) {
418 route.paths.push(route.paths[0].clone());
419 let mut payment_hash = PaymentHash([0; 32]);
420 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
421 let mut sha = Sha256::engine();
422 sha.input(&payment_hash.0[..]);
423 payment_hash.0 = Sha256::from_engine(sha).into_inner();
425 let mut payment_secret = PaymentSecret([0; 32]);
426 payment_secret.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
428 match channelmanager.send_payment(&route, payment_hash, &Some(payment_secret)) {
434 let peer_id = get_slice!(1)[0];
435 if !peers.borrow()[peer_id as usize] { return; }
436 let their_key = get_pubkey!();
437 let chan_value = slice_to_be24(get_slice!(3)) as u64;
438 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
439 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None).is_err() { return; }
442 let mut channels = channelmanager.list_channels();
443 let channel_id = get_slice!(1)[0] as usize;
444 if channel_id >= channels.len() { return; }
445 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
446 if channelmanager.close_channel(&channels[channel_id].channel_id).is_err() { return; }
450 channelmanager.process_pending_htlc_forwards();
451 should_forward = false;
455 for (payment, payment_secret, amt) in payments_received.drain(..) {
456 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
457 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
458 // fulfill this HTLC, but if they are, we can just take the first byte and
459 // place that anywhere in our preimage.
460 if &payment.0[1..] != &[0; 31] {
461 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
463 let mut payment_preimage = PaymentPreimage([0; 32]);
464 payment_preimage.0[0] = payment.0[0];
465 channelmanager.claim_funds(payment_preimage, &payment_secret, amt);
470 for (payment, payment_secret, _) in payments_received.drain(..) {
471 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
475 'outer_loop: for funding_generation in pending_funding_generation.drain(..) {
476 let mut tx = Transaction { version: 0, lock_time: 0, input: Vec::new(), output: vec![TxOut {
477 value: funding_generation.1, script_pubkey: funding_generation.2,
479 let funding_output = 'search_loop: loop {
480 let funding_txid = tx.txid();
481 if let None = loss_detector.txids_confirmed.get(&funding_txid) {
482 let outpoint = OutPoint::new(funding_txid, 0);
483 for chan in channelmanager.list_channels() {
484 if chan.channel_id == outpoint.to_channel_id() {
486 continue 'search_loop;
492 if tx.version > 0xff {
493 continue 'outer_loop;
496 channelmanager.funding_transaction_generated(&funding_generation.0, funding_output.clone());
497 pending_funding_signatures.insert(funding_output, tx);
501 if !pending_funding_relay.is_empty() {
502 loss_detector.connect_block(&pending_funding_relay[..]);
504 loss_detector.connect_block(&[]);
507 for tx in pending_funding_relay.drain(..) {
508 loss_detector.funding_txn.push(tx);
512 let txlen = slice_to_be16(get_slice!(2));
514 loss_detector.connect_block(&[]);
516 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
517 if let Ok(tx) = txres {
518 let mut output_val = 0;
519 for out in tx.output.iter() {
520 if out.value > 21_000_000_0000_0000 { return; }
521 output_val += out.value;
522 if output_val > 21_000_000_0000_0000 { return; }
524 loss_detector.connect_block(&[tx]);
531 loss_detector.disconnect_block();
534 let mut channels = channelmanager.list_channels();
535 let channel_id = get_slice!(1)[0] as usize;
536 if channel_id >= channels.len() { return; }
537 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
538 channelmanager.force_close_channel(&channels[channel_id].channel_id);
543 loss_detector.handler.process_events();
544 for event in loss_detector.manager.get_and_clear_pending_events() {
546 Event::FundingGenerationReady { temporary_channel_id, channel_value_satoshis, output_script, .. } => {
547 pending_funding_generation.push((temporary_channel_id, channel_value_satoshis, output_script));
549 Event::FundingBroadcastSafe { funding_txo, .. } => {
550 pending_funding_relay.push(pending_funding_signatures.remove(&funding_txo).unwrap());
552 Event::PaymentReceived { payment_hash, payment_secret, amt } => {
553 //TODO: enhance by fetching random amounts from fuzz input?
554 payments_received.push((payment_hash, payment_secret, amt));
556 Event::PaymentSent {..} => {},
557 Event::PaymentFailed {..} => {},
558 Event::PendingHTLCsForwardable {..} => {
559 should_forward = true;
561 Event::SpendableOutputs {..} => {},
567 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
568 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
569 do_test(data, &logger);
573 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
574 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
575 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
580 use lightning::util::logger::{Logger, Record};
581 use std::collections::HashMap;
582 use std::sync::{Arc, Mutex};
584 struct TrackingLogger {
585 /// (module, message) -> count
586 pub lines: Mutex<HashMap<(String, String), usize>>,
588 impl Logger for TrackingLogger {
589 fn log(&self, record: &Record) {
590 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
591 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
596 fn test_no_existing_test_breakage() {
597 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
598 // changes (such as requesting feerate info in a new place), we run a pretty full
599 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
600 // so this should be updated pretty liberally, but at least we'll know when changes occur.
601 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
603 // What each byte represents is broken down below, and then everything is concatenated into
604 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
606 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
607 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
608 // of the Lightning message
609 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
610 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
612 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
614 // 0000000000000000000000000000000000000000000000000000000000000000 - our network key
615 // 00000000 - fee_proportional_millionths
616 // 01 - announce_channels_publicly
618 // 00 - new outbound connection with id 0
619 // 030000000000000000000000000000000000000000000000000000000000000000 - peer's pubkey
620 // 030032 - inbound read from peer id 0 of len 50
621 // 00 030000000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - noise act two (0||pubkey||mac)
623 // 030012 - inbound read from peer id 0 of len 18
624 // 000a 03000000000000000000000000000000 - message header indicating message length 10
625 // 03001a - inbound read from peer id 0 of len 26
626 // 0010 00022000 00022000 03000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
628 // 030012 - inbound read from peer id 0 of len 18
629 // 0141 03000000000000000000000000000000 - message header indicating message length 321
630 // 0300fe - inbound read from peer id 0 of len 254
631 // 0020 7500000000000000000000000000000000000000000000000000000000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000222 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
632 // 030053 - inbound read from peer id 0 of len 83
633 // 030000000000000000000000000000000000000000000000000000000000000005 030000000000000000000000000000000000000000000000000000000000000000 01 03000000000000000000000000000000 - rest of open_channel and mac
635 // 00fd00fd00fd - Three feerate requests (all returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
636 // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
638 // 030012 - inbound read from peer id 0 of len 18
639 // 0084 03000000000000000000000000000000 - message header indicating message length 132
640 // 030094 - inbound read from peer id 0 of len 148
641 // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 20000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 03000000000000000000000000000000 - funding_created and mac
642 // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
644 // 0c005e - connect a block with one transaction of len 94
645 // 020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
646 // 0c0000 - connect a block with no transactions
647 // 0c0000 - connect a block with no transactions
648 // 0c0000 - connect a block with no transactions
649 // 0c0000 - connect a block with no transactions
650 // 0c0000 - connect a block with no transactions
651 // 0c0000 - connect a block with no transactions
652 // 0c0000 - connect a block with no transactions
653 // 0c0000 - connect a block with no transactions
654 // 0c0000 - connect a block with no transactions
655 // 0c0000 - connect a block with no transactions
656 // 0c0000 - connect a block with no transactions
657 // 0c0000 - connect a block with no transactions
658 // - by now client should have sent a funding_locked (CHECK 3: SendFundingLocked to 03000000 for chan 3d000000)
660 // 030012 - inbound read from peer id 0 of len 18
661 // 0043 03000000000000000000000000000000 - message header indicating message length 67
662 // 030053 - inbound read from peer id 0 of len 83
663 // 0024 3d00000000000000000000000000000000000000000000000000000000000000 030100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_locked and mac
665 // 01 - new inbound connection with id 1
666 // 030132 - inbound read from peer id 1 of len 50
667 // 0003000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000 - inbound noise act 1
668 // 030142 - inbound read from peer id 1 of len 66
669 // 000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000 - inbound noise act 3
671 // 030112 - inbound read from peer id 1 of len 18
672 // 000a 01000000000000000000000000000000 - message header indicating message length 10
673 // 03011a - inbound read from peer id 1 of len 26
674 // 0010 00022000 00022000 01000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
676 // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat
677 // 00fd00fd00fd - Three feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
679 // 030112 - inbound read from peer id 1 of len 18
680 // 0110 01000000000000000000000000000000 - message header indicating message length 272
681 // 0301ff - inbound read from peer id 1 of len 255
682 // 0021 0000000000000000000000000000000000000000000000000000000000000e02 000000000000001a 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 03000000000000000000000000000000 - beginning of accept_channel
683 // 030121 - inbound read from peer id 1 of len 33
684 // 0000000000000000000000000000000000 01000000000000000000000000000000 - rest of accept_channel and mac
686 // 0a - create the funding transaction (client should send funding_created now)
688 // 030112 - inbound read from peer id 1 of len 18
689 // 0062 01000000000000000000000000000000 - message header indicating message length 98
690 // 030172 - inbound read from peer id 1 of len 114
691 // 0023 3900000000000000000000000000000000000000000000000000000000000000 f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 01000000000000000000000000000000 - funding_signed message and mac
693 // 0b - broadcast funding transaction
694 // - by now client should have sent a funding_locked (CHECK 4: SendFundingLocked to 03020000 for chan 3f000000)
696 // 030112 - inbound read from peer id 1 of len 18
697 // 0043 01000000000000000000000000000000 - message header indicating message length 67
698 // 030153 - inbound read from peer id 1 of len 83
699 // 0024 3900000000000000000000000000000000000000000000000000000000000000 030100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_locked and mac
701 // 030012 - inbound read from peer id 0 of len 18
702 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
703 // 0300ff - inbound read from peer id 0 of len 255
704 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e80000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
705 // 0300ff - inbound read from peer id 0 of len 255
706 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
707 // 0300ff - inbound read from peer id 0 of len 255
708 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
709 // 0300ff - inbound read from peer id 0 of len 255
710 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
711 // 0300ff - inbound read from peer id 0 of len 255
712 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
713 // 0300c1 - inbound read from peer id 0 of len 193
714 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
716 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
718 // 030012 - inbound read from peer id 0 of len 18
719 // 0064 03000000000000000000000000000000 - message header indicating message length 100
720 // 030074 - inbound read from peer id 0 of len 116
721 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 31000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
722 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
724 // 030012 - inbound read from peer id 0 of len 18
725 // 0063 03000000000000000000000000000000 - message header indicating message length 99
726 // 030073 - inbound read from peer id 0 of len 115
727 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 030200000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
729 // 07 - process the now-pending HTLC forward
730 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: SendHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
732 // - we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
733 // 030112 - inbound read from peer id 1 of len 18
734 // 0064 01000000000000000000000000000000 - message header indicating message length 100
735 // 030174 - inbound read from peer id 1 of len 116
736 // 0084 3900000000000000000000000000000000000000000000000000000000000000 f1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
738 // 030112 - inbound read from peer id 1 of len 18
739 // 0063 01000000000000000000000000000000 - message header indicating message length 99
740 // 030173 - inbound read from peer id 1 of len 115
741 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 030200000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
743 // 030112 - inbound read from peer id 1 of len 18
744 // 004a 01000000000000000000000000000000 - message header indicating message length 74
745 // 03015a - inbound read from peer id 1 of len 90
746 // 0082 3900000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000 - update_fulfill_htlc and mac
747 // - client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
749 // 030112 - inbound read from peer id 1 of len 18
750 // 0064 01000000000000000000000000000000 - message header indicating message length 100
751 // 030174 - inbound read from peer id 1 of len 116
752 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fd000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
754 // 030112 - inbound read from peer id 1 of len 18
755 // 0063 01000000000000000000000000000000 - message header indicating message length 99
756 // 030173 - inbound read from peer id 1 of len 115
757 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0100000000000000000000000000000000000000000000000000000000000000 030300000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
759 // - before responding to the commitment_signed generated above, send a new HTLC
760 // 030012 - inbound read from peer id 0 of len 18
761 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
762 // 0300ff - inbound read from peer id 0 of len 255
763 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e80000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
764 // 0300ff - inbound read from peer id 0 of len 255
765 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
766 // 0300ff - inbound read from peer id 0 of len 255
767 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
768 // 0300ff - inbound read from peer id 0 of len 255
769 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
770 // 0300ff - inbound read from peer id 0 of len 255
771 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
772 // 0300c1 - inbound read from peer id 0 of len 193
773 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
775 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
777 // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
778 // 030012 - inbound read from peer id 0 of len 18
779 // 0063 03000000000000000000000000000000 - message header indicating message length 99
780 // 030073 - inbound read from peer id 0 of len 115
781 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0100000000000000000000000000000000000000000000000000000000000000 030300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
782 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
784 // 030012 - inbound read from peer id 0 of len 18
785 // 0064 03000000000000000000000000000000 - message header indicating message length 100
786 // 030074 - inbound read from peer id 0 of len 116
787 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 c2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
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 0200000000000000000000000000000000000000000000000000000000000000 030400000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
794 // 07 - process the now-pending HTLC forward
795 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
796 // - we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
798 // 030112 - inbound read from peer id 1 of len 18
799 // 0064 01000000000000000000000000000000 - message header indicating message length 100
800 // 030174 - inbound read from peer id 1 of len 116
801 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
803 // 030112 - inbound read from peer id 1 of len 18
804 // 0063 01000000000000000000000000000000 - message header indicating message length 99
805 // 030173 - inbound read from peer id 1 of len 115
806 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0200000000000000000000000000000000000000000000000000000000000000 030400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
808 // 030112 - inbound read from peer id 1 of len 18
809 // 002c 01000000000000000000000000000000 - message header indicating message length 44
810 // 03013c - inbound read from peer id 1 of len 60
811 // 0083 3900000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000 - update_fail_htlc and mac
813 // 030112 - inbound read from peer id 1 of len 18
814 // 0064 01000000000000000000000000000000 - message header indicating message length 100
815 // 030174 - inbound read from peer id 1 of len 116
816 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
818 // 030112 - inbound read from peer id 1 of len 18
819 // 0063 01000000000000000000000000000000 - message header indicating message length 99
820 // 030173 - inbound read from peer id 1 of len 115
821 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0300000000000000000000000000000000000000000000000000000000000000 030500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
823 // 07 - process the now-pending HTLC forward
824 // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
825 // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
827 // 030012 - inbound read from peer id 0 of len 18
828 // 0063 03000000000000000000000000000000 - message header indicating message length 99
829 // 030073 - inbound read from peer id 0 of len 115
830 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0300000000000000000000000000000000000000000000000000000000000000 030500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
832 // 030012 - inbound read from peer id 0 of len 18
833 // 0064 03000000000000000000000000000000 - message header indicating message length 100
834 // 030074 - inbound read from peer id 0 of len 116
835 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 33000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
836 // - client should now respond with revoke_and_ack (CHECK 5 duplicate)
838 // 030012 - inbound read from peer id 0 of len 18
839 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
840 // 0300ff - inbound read from peer id 0 of len 255
841 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e0000010000000000000003e8000000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
842 // 0300ff - inbound read from peer id 0 of len 255
843 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
844 // 0300ff - inbound read from peer id 0 of len 255
845 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
846 // 0300ff - inbound read from peer id 0 of len 255
847 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
848 // 0300ff - inbound read from peer id 0 of len 255
849 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
850 // 0300c1 - inbound read from peer id 0 of len 193
851 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
853 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
855 // 030012 - inbound read from peer id 0 of len 18
856 // 00a4 03000000000000000000000000000000 - message header indicating message length 164
857 // 0300b4 - inbound read from peer id 0 of len 180
858 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 7b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0001 c8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007f00000000000000 03000000000000000000000000000000 - commitment_signed and mac
859 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
861 // 030012 - inbound read from peer id 0 of len 18
862 // 0063 03000000000000000000000000000000 - message header indicating message length 99
863 // 030073 - inbound read from peer id 0 of len 115
864 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0400000000000000000000000000000000000000000000000000000000000000 030600000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
866 // 07 - process the now-pending HTLC forward
867 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
869 // 0c007d - connect a block with one transaction of len 125
870 // 02000000013900000000000000000000000000000000000000000000000000000000000000000000000000000080020001000000000000220020bb000000000000000000000000000000000000000000000000000000000000006cc10000000000001600142b0000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
871 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
872 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
873 // 0c005e - connect a block with one transaction of len 94
874 // 0200000001a100000000000000000000000000000000000000000000000000000000000000000000000000000000014f00000000000000220020f60000000000000000000000000000000000000000000000000000000000000000000000 - the HTLC timeout transaction
875 // 0c0000 - connect a block with no transactions
876 // 0c0000 - connect a block with no transactions
877 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
878 // 0c0000 - connect a block with no transactions
879 // 0c0000 - connect a block with no transactions
880 // 0c0000 - connect a block with no transactions
882 // 07 - process the now-pending HTLC forward
883 // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
885 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
886 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&(Arc::clone(&logger) as Arc<dyn Logger>));
888 let log_entries = logger.lines.lock().unwrap();
889 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
890 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
891 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
892 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
893 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
894 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
895 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
896 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
897 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
898 assert_eq!(log_entries.get(&("lightning::ln::channelmonitor".to_string(), "Input spending remote commitment tx (00000000000000000000000000000000000000000000000000000000000000a1:0) in 0000000000000000000000000000000000000000000000000000000000000018 resolves outbound HTLC with payment hash ff00000000000000000000000000000000000000000000000000000000000000 with timeout".to_string())), Some(&1)); // 10