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<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>>>,
139 monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>>>,
140 handler: PeerManager<Peer<'a>, Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>>>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>>>>,
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<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>>>,
153 monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>>>,
154 handler: PeerManager<Peer<'a>, Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>>>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>>>>) -> 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();
230 node_secret: SecretKey,
233 impl KeysInterface for KeyProvider {
234 type ChanKeySigner = EnforcingChannelKeys;
236 fn get_node_secret(&self) -> SecretKey {
237 self.node_secret.clone()
240 fn get_destination_script(&self) -> Script {
241 let secp_ctx = Secp256k1::signing_only();
242 let channel_monitor_claim_key = SecretKey::from_slice(&hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
243 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
244 Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
247 fn get_shutdown_pubkey(&self) -> PublicKey {
248 let secp_ctx = Secp256k1::signing_only();
249 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())
252 fn get_channel_keys(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingChannelKeys {
253 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
254 let secp_ctx = Secp256k1::signing_only();
255 EnforcingChannelKeys::new(if inbound {
256 InMemoryChannelKeys::new(
258 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(),
259 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(),
260 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(),
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, 4, 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, 5, ctr]).unwrap(),
263 [0, 0, 0, 0, 0, 0, 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],
264 channel_value_satoshis,
267 InMemoryChannelKeys::new(
269 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(),
270 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(),
271 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(),
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, 10, 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, 11, ctr]).unwrap(),
274 [0, 0, 0, 0, 0, 0, 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],
275 channel_value_satoshis,
280 fn get_onion_rand(&self) -> (SecretKey, [u8; 32]) {
281 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
282 (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(),
286 fn get_channel_id(&self) -> [u8; 32] {
287 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
288 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
289 (ctr >> 8*7) as u8, (ctr >> 8*6) as u8, (ctr >> 8*5) as u8, (ctr >> 8*4) as u8, (ctr >> 8*3) as u8, (ctr >> 8*2) as u8, (ctr >> 8*1) as u8, 14, (ctr >> 8*0) as u8]
294 pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
295 let input = Arc::new(InputData {
297 read_pos: AtomicUsize::new(0),
299 let fee_est = Arc::new(FuzzEstimator {
300 input: input.clone(),
303 macro_rules! get_slice {
305 match input.get_slice($len as usize) {
306 Some(slice) => slice,
312 macro_rules! get_pubkey {
314 match PublicKey::from_slice(get_slice!(33)) {
321 let our_network_key = match SecretKey::from_slice(get_slice!(32)) {
326 let watch = Arc::new(ChainWatchInterfaceUtil::new(Network::Bitcoin, Arc::clone(&logger)));
327 let broadcast = Arc::new(TestBroadcaster{});
328 let monitor = Arc::new(channelmonitor::SimpleManyChannelMonitor::new(watch.clone(), broadcast.clone(), Arc::clone(&logger), fee_est.clone()));
330 let keys_manager = Arc::new(KeyProvider { node_secret: our_network_key.clone(), counter: AtomicU64::new(0) });
331 let mut config = UserConfig::default();
332 config.channel_options.fee_proportional_millionths = slice_to_be32(get_slice!(4));
333 config.channel_options.announced_channel = get_slice!(1)[0] != 0;
334 config.peer_channel_config_limits.min_dust_limit_satoshis = 0;
335 let channelmanager = Arc::new(ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, 0).unwrap());
336 let our_id = PublicKey::from_secret_key(&Secp256k1::signing_only(), &keys_manager.get_node_secret());
337 let net_graph_msg_handler = Arc::new(NetGraphMsgHandler::new(watch.clone(), Arc::clone(&logger)));
339 let peers = RefCell::new([false; 256]);
340 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
341 chan_handler: channelmanager.clone(),
342 route_handler: net_graph_msg_handler.clone(),
343 }, 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)));
345 let mut should_forward = false;
346 let mut payments_received: Vec<(PaymentHash, Option<PaymentSecret>, u64)> = Vec::new();
347 let mut payments_sent = 0;
348 let mut pending_funding_generation: Vec<([u8; 32], u64, Script)> = Vec::new();
349 let mut pending_funding_signatures = HashMap::new();
350 let mut pending_funding_relay = Vec::new();
353 match get_slice!(1)[0] {
357 if !peers.borrow()[i-1] {
362 if new_id == 0 { return; }
363 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
364 peers.borrow_mut()[new_id - 1] = true;
369 if !peers.borrow()[i-1] {
374 if new_id == 0 { return; }
375 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
376 peers.borrow_mut()[new_id - 1] = true;
379 let peer_id = get_slice!(1)[0];
380 if !peers.borrow()[peer_id as usize] { return; }
381 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
382 peers.borrow_mut()[peer_id as usize] = false;
385 let peer_id = get_slice!(1)[0];
386 if !peers.borrow()[peer_id as usize] { return; }
387 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
388 Ok(res) => assert!(!res),
389 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
393 let value = slice_to_be24(get_slice!(3)) as u64;
394 let route = match get_route(&our_id, &net_graph_msg_handler, &get_pubkey!(), None, &Vec::new(), value, 42, Arc::clone(&logger)) {
398 let mut payment_hash = PaymentHash([0; 32]);
399 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
400 let mut sha = Sha256::engine();
401 sha.input(&payment_hash.0[..]);
402 payment_hash.0 = Sha256::from_engine(sha).into_inner();
404 match channelmanager.send_payment(&route, payment_hash, &None) {
410 let value = slice_to_be24(get_slice!(3)) as u64;
411 let mut route = match get_route(&our_id, &net_graph_msg_handler, &get_pubkey!(), None, &Vec::new(), value, 42, Arc::clone(&logger)) {
415 route.paths.push(route.paths[0].clone());
416 let mut payment_hash = PaymentHash([0; 32]);
417 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
418 let mut sha = Sha256::engine();
419 sha.input(&payment_hash.0[..]);
420 payment_hash.0 = Sha256::from_engine(sha).into_inner();
422 let mut payment_secret = PaymentSecret([0; 32]);
423 payment_secret.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
425 match channelmanager.send_payment(&route, payment_hash, &Some(payment_secret)) {
431 let peer_id = get_slice!(1)[0];
432 if !peers.borrow()[peer_id as usize] { return; }
433 let their_key = get_pubkey!();
434 let chan_value = slice_to_be24(get_slice!(3)) as u64;
435 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
436 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None).is_err() { return; }
439 let mut channels = channelmanager.list_channels();
440 let channel_id = get_slice!(1)[0] as usize;
441 if channel_id >= channels.len() { return; }
442 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
443 if channelmanager.close_channel(&channels[channel_id].channel_id).is_err() { return; }
447 channelmanager.process_pending_htlc_forwards();
448 should_forward = false;
452 for (payment, payment_secret, amt) in payments_received.drain(..) {
453 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
454 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
455 // fulfill this HTLC, but if they are, we can just take the first byte and
456 // place that anywhere in our preimage.
457 if &payment.0[1..] != &[0; 31] {
458 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
460 let mut payment_preimage = PaymentPreimage([0; 32]);
461 payment_preimage.0[0] = payment.0[0];
462 channelmanager.claim_funds(payment_preimage, &payment_secret, amt);
467 for (payment, payment_secret, _) in payments_received.drain(..) {
468 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
472 'outer_loop: for funding_generation in pending_funding_generation.drain(..) {
473 let mut tx = Transaction { version: 0, lock_time: 0, input: Vec::new(), output: vec![TxOut {
474 value: funding_generation.1, script_pubkey: funding_generation.2,
476 let funding_output = 'search_loop: loop {
477 let funding_txid = tx.txid();
478 if let None = loss_detector.txids_confirmed.get(&funding_txid) {
479 let outpoint = OutPoint::new(funding_txid, 0);
480 for chan in channelmanager.list_channels() {
481 if chan.channel_id == outpoint.to_channel_id() {
483 continue 'search_loop;
489 if tx.version > 0xff {
490 continue 'outer_loop;
493 channelmanager.funding_transaction_generated(&funding_generation.0, funding_output.clone());
494 pending_funding_signatures.insert(funding_output, tx);
498 if !pending_funding_relay.is_empty() {
499 loss_detector.connect_block(&pending_funding_relay[..]);
501 loss_detector.connect_block(&[]);
504 for tx in pending_funding_relay.drain(..) {
505 loss_detector.funding_txn.push(tx);
509 let txlen = slice_to_be16(get_slice!(2));
511 loss_detector.connect_block(&[]);
513 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
514 if let Ok(tx) = txres {
515 let mut output_val = 0;
516 for out in tx.output.iter() {
517 if out.value > 21_000_000_0000_0000 { return; }
518 output_val += out.value;
519 if output_val > 21_000_000_0000_0000 { return; }
521 loss_detector.connect_block(&[tx]);
528 loss_detector.disconnect_block();
531 let mut channels = channelmanager.list_channels();
532 let channel_id = get_slice!(1)[0] as usize;
533 if channel_id >= channels.len() { return; }
534 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
535 channelmanager.force_close_channel(&channels[channel_id].channel_id);
540 loss_detector.handler.process_events();
541 for event in loss_detector.manager.get_and_clear_pending_events() {
543 Event::FundingGenerationReady { temporary_channel_id, channel_value_satoshis, output_script, .. } => {
544 pending_funding_generation.push((temporary_channel_id, channel_value_satoshis, output_script));
546 Event::FundingBroadcastSafe { funding_txo, .. } => {
547 pending_funding_relay.push(pending_funding_signatures.remove(&funding_txo).unwrap());
549 Event::PaymentReceived { payment_hash, payment_secret, amt } => {
550 //TODO: enhance by fetching random amounts from fuzz input?
551 payments_received.push((payment_hash, payment_secret, amt));
553 Event::PaymentSent {..} => {},
554 Event::PaymentFailed {..} => {},
555 Event::PendingHTLCsForwardable {..} => {
556 should_forward = true;
558 Event::SpendableOutputs {..} => {},
564 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
565 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
566 do_test(data, &logger);
570 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
571 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
572 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
577 use lightning::util::logger::{Logger, Record};
578 use std::collections::HashMap;
579 use std::sync::{Arc, Mutex};
581 struct TrackingLogger {
582 /// (module, message) -> count
583 pub lines: Mutex<HashMap<(String, String), usize>>,
585 impl Logger for TrackingLogger {
586 fn log(&self, record: &Record) {
587 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
588 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
593 fn test_no_existing_test_breakage() {
594 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
595 // changes (such as requesting feerate info in a new place), we run a pretty full
596 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
597 // so this should be updated pretty liberally, but at least we'll know when changes occur.
598 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
600 // What each byte represents is broken down below, and then everything is concatenated into
601 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
603 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
604 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
605 // of the Lightning message
606 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
607 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
609 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
611 // 0000000000000000000000000000000000000000000000000000000000000000 - our network key
612 // 00000000 - fee_proportional_millionths
613 // 01 - announce_channels_publicly
615 // 00 - new outbound connection with id 0
616 // 030000000000000000000000000000000000000000000000000000000000000000 - peer's pubkey
617 // 030032 - inbound read from peer id 0 of len 50
618 // 00 030000000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - noise act two (0||pubkey||mac)
620 // 030012 - inbound read from peer id 0 of len 18
621 // 000a 03000000000000000000000000000000 - message header indicating message length 10
622 // 03001a - inbound read from peer id 0 of len 26
623 // 0010 00022000 00022000 03000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
625 // 030012 - inbound read from peer id 0 of len 18
626 // 0141 03000000000000000000000000000000 - message header indicating message length 321
627 // 0300fe - inbound read from peer id 0 of len 254
628 // 0020 7500000000000000000000000000000000000000000000000000000000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000222 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
629 // 030053 - inbound read from peer id 0 of len 83
630 // 030000000000000000000000000000000000000000000000000000000000000005 030000000000000000000000000000000000000000000000000000000000000000 01 03000000000000000000000000000000 - rest of open_channel and mac
632 // 00fd00fd00fd - Three feerate requests (all returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
633 // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
635 // 030012 - inbound read from peer id 0 of len 18
636 // 0084 03000000000000000000000000000000 - message header indicating message length 132
637 // 030094 - inbound read from peer id 0 of len 148
638 // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 20000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 03000000000000000000000000000000 - funding_created and mac
639 // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
641 // 0c005e - connect a block with one transaction of len 94
642 // 020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
643 // 0c0000 - connect a block with no transactions
644 // 0c0000 - connect a block with no transactions
645 // 0c0000 - connect a block with no transactions
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 // - by now client should have sent a funding_locked (CHECK 3: SendFundingLocked to 03000000 for chan 3d000000)
657 // 030012 - inbound read from peer id 0 of len 18
658 // 0043 03000000000000000000000000000000 - message header indicating message length 67
659 // 030053 - inbound read from peer id 0 of len 83
660 // 0024 3d00000000000000000000000000000000000000000000000000000000000000 030100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_locked and mac
662 // 01 - new inbound connection with id 1
663 // 030132 - inbound read from peer id 1 of len 50
664 // 0003000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000 - inbound noise act 1
665 // 030142 - inbound read from peer id 1 of len 66
666 // 000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000 - inbound noise act 3
668 // 030112 - inbound read from peer id 1 of len 18
669 // 000a 01000000000000000000000000000000 - message header indicating message length 10
670 // 03011a - inbound read from peer id 1 of len 26
671 // 0010 00022000 00022000 01000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
673 // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat
674 // 00fd00fd00fd - Three feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
676 // 030112 - inbound read from peer id 1 of len 18
677 // 0110 01000000000000000000000000000000 - message header indicating message length 272
678 // 0301ff - inbound read from peer id 1 of len 255
679 // 0021 0000000000000000000000000000000000000000000000000000000000000e02 000000000000001a 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 03000000000000000000000000000000 - beginning of accept_channel
680 // 030121 - inbound read from peer id 1 of len 33
681 // 0000000000000000000000000000000000 01000000000000000000000000000000 - rest of accept_channel and mac
683 // 0a - create the funding transaction (client should send funding_created now)
685 // 030112 - inbound read from peer id 1 of len 18
686 // 0062 01000000000000000000000000000000 - message header indicating message length 98
687 // 030172 - inbound read from peer id 1 of len 114
688 // 0023 3900000000000000000000000000000000000000000000000000000000000000 f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 01000000000000000000000000000000 - funding_signed message and mac
690 // 0b - broadcast funding transaction
691 // - by now client should have sent a funding_locked (CHECK 4: SendFundingLocked to 03020000 for chan 3f000000)
693 // 030112 - inbound read from peer id 1 of len 18
694 // 0043 01000000000000000000000000000000 - message header indicating message length 67
695 // 030153 - inbound read from peer id 1 of len 83
696 // 0024 3900000000000000000000000000000000000000000000000000000000000000 030100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_locked and mac
698 // 030012 - inbound read from peer id 0 of len 18
699 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
700 // 0300ff - inbound read from peer id 0 of len 255
701 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e80000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
702 // 0300ff - inbound read from peer id 0 of len 255
703 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
704 // 0300ff - inbound read from peer id 0 of len 255
705 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
706 // 0300ff - inbound read from peer id 0 of len 255
707 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
708 // 0300ff - inbound read from peer id 0 of len 255
709 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
710 // 0300c1 - inbound read from peer id 0 of len 193
711 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
713 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
715 // 030012 - inbound read from peer id 0 of len 18
716 // 0064 03000000000000000000000000000000 - message header indicating message length 100
717 // 030074 - inbound read from peer id 0 of len 116
718 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 31000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
719 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
721 // 030012 - inbound read from peer id 0 of len 18
722 // 0063 03000000000000000000000000000000 - message header indicating message length 99
723 // 030073 - inbound read from peer id 0 of len 115
724 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 030200000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
726 // 07 - process the now-pending HTLC forward
727 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: SendHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
729 // - we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
730 // 030112 - inbound read from peer id 1 of len 18
731 // 0064 01000000000000000000000000000000 - message header indicating message length 100
732 // 030174 - inbound read from peer id 1 of len 116
733 // 0084 3900000000000000000000000000000000000000000000000000000000000000 f1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
735 // 030112 - inbound read from peer id 1 of len 18
736 // 0063 01000000000000000000000000000000 - message header indicating message length 99
737 // 030173 - inbound read from peer id 1 of len 115
738 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 030200000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
740 // 030112 - inbound read from peer id 1 of len 18
741 // 004a 01000000000000000000000000000000 - message header indicating message length 74
742 // 03015a - inbound read from peer id 1 of len 90
743 // 0082 3900000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000 - update_fulfill_htlc and mac
744 // - client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
746 // 030112 - inbound read from peer id 1 of len 18
747 // 0064 01000000000000000000000000000000 - message header indicating message length 100
748 // 030174 - inbound read from peer id 1 of len 116
749 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fd000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
751 // 030112 - inbound read from peer id 1 of len 18
752 // 0063 01000000000000000000000000000000 - message header indicating message length 99
753 // 030173 - inbound read from peer id 1 of len 115
754 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0100000000000000000000000000000000000000000000000000000000000000 030300000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
756 // - before responding to the commitment_signed generated above, send a new HTLC
757 // 030012 - inbound read from peer id 0 of len 18
758 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
759 // 0300ff - inbound read from peer id 0 of len 255
760 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e80000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
761 // 0300ff - inbound read from peer id 0 of len 255
762 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
763 // 0300ff - inbound read from peer id 0 of len 255
764 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
765 // 0300ff - inbound read from peer id 0 of len 255
766 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
767 // 0300ff - inbound read from peer id 0 of len 255
768 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
769 // 0300c1 - inbound read from peer id 0 of len 193
770 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
772 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
774 // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
775 // 030012 - inbound read from peer id 0 of len 18
776 // 0063 03000000000000000000000000000000 - message header indicating message length 99
777 // 030073 - inbound read from peer id 0 of len 115
778 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0100000000000000000000000000000000000000000000000000000000000000 030300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
779 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
781 // 030012 - inbound read from peer id 0 of len 18
782 // 0064 03000000000000000000000000000000 - message header indicating message length 100
783 // 030074 - inbound read from peer id 0 of len 116
784 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 c2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
786 // 030012 - inbound read from peer id 0 of len 18
787 // 0063 03000000000000000000000000000000 - message header indicating message length 99
788 // 030073 - inbound read from peer id 0 of len 115
789 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0200000000000000000000000000000000000000000000000000000000000000 030400000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
791 // 07 - process the now-pending HTLC forward
792 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
793 // - we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
795 // 030112 - inbound read from peer id 1 of len 18
796 // 0064 01000000000000000000000000000000 - message header indicating message length 100
797 // 030174 - inbound read from peer id 1 of len 116
798 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
800 // 030112 - inbound read from peer id 1 of len 18
801 // 0063 01000000000000000000000000000000 - message header indicating message length 99
802 // 030173 - inbound read from peer id 1 of len 115
803 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0200000000000000000000000000000000000000000000000000000000000000 030400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
805 // 030112 - inbound read from peer id 1 of len 18
806 // 002c 01000000000000000000000000000000 - message header indicating message length 44
807 // 03013c - inbound read from peer id 1 of len 60
808 // 0083 3900000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000 - update_fail_htlc and mac
810 // 030112 - inbound read from peer id 1 of len 18
811 // 0064 01000000000000000000000000000000 - message header indicating message length 100
812 // 030174 - inbound read from peer id 1 of len 116
813 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
815 // 030112 - inbound read from peer id 1 of len 18
816 // 0063 01000000000000000000000000000000 - message header indicating message length 99
817 // 030173 - inbound read from peer id 1 of len 115
818 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0300000000000000000000000000000000000000000000000000000000000000 030500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
820 // 07 - process the now-pending HTLC forward
821 // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
822 // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
824 // 030012 - inbound read from peer id 0 of len 18
825 // 0063 03000000000000000000000000000000 - message header indicating message length 99
826 // 030073 - inbound read from peer id 0 of len 115
827 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0300000000000000000000000000000000000000000000000000000000000000 030500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
829 // 030012 - inbound read from peer id 0 of len 18
830 // 0064 03000000000000000000000000000000 - message header indicating message length 100
831 // 030074 - inbound read from peer id 0 of len 116
832 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 33000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
833 // - client should now respond with revoke_and_ack (CHECK 5 duplicate)
835 // 030012 - inbound read from peer id 0 of len 18
836 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
837 // 0300ff - inbound read from peer id 0 of len 255
838 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e0000010000000000000003e8000000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
839 // 0300ff - inbound read from peer id 0 of len 255
840 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
841 // 0300ff - inbound read from peer id 0 of len 255
842 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
843 // 0300ff - inbound read from peer id 0 of len 255
844 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
845 // 0300ff - inbound read from peer id 0 of len 255
846 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
847 // 0300c1 - inbound read from peer id 0 of len 193
848 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
850 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
852 // 030012 - inbound read from peer id 0 of len 18
853 // 00a4 03000000000000000000000000000000 - message header indicating message length 164
854 // 0300b4 - inbound read from peer id 0 of len 180
855 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 7b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0001 c8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007f00000000000000 03000000000000000000000000000000 - commitment_signed and mac
856 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
858 // 030012 - inbound read from peer id 0 of len 18
859 // 0063 03000000000000000000000000000000 - message header indicating message length 99
860 // 030073 - inbound read from peer id 0 of len 115
861 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0400000000000000000000000000000000000000000000000000000000000000 030600000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
863 // 07 - process the now-pending HTLC forward
864 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
866 // 0c007d - connect a block with one transaction of len 125
867 // 02000000013900000000000000000000000000000000000000000000000000000000000000000000000000000080020001000000000000220020bb000000000000000000000000000000000000000000000000000000000000006cc10000000000001600142b0000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
868 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
869 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
870 // 0c005e - connect a block with one transaction of len 94
871 // 0200000001a100000000000000000000000000000000000000000000000000000000000000000000000000000000014f00000000000000220020f60000000000000000000000000000000000000000000000000000000000000000000000 - the HTLC timeout transaction
872 // 0c0000 - connect a block with no transactions
873 // 0c0000 - connect a block with no transactions
874 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
875 // 0c0000 - connect a block with no transactions
876 // 0c0000 - connect a block with no transactions
877 // 0c0000 - connect a block with no transactions
879 // 07 - process the now-pending HTLC forward
880 // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
882 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
883 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&(Arc::clone(&logger) as Arc<dyn Logger>));
885 let log_entries = logger.lines.lock().unwrap();
886 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
887 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
888 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
889 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
890 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
891 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
892 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
893 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
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, 1 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&2)); // 9
895 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