1 // This file is Copyright its original authors, visible in version control
4 // This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
5 // or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
7 // You may not use this file except in accordance with one or both of these
10 //! Test that no series of bytes received over the wire/connections created/payments sent can
11 //! result in a crash. We do this by standing up a node and then reading bytes from input to denote
12 //! actions such as creating new inbound/outbound connections, bytes to be read from a connection,
13 //! or payments to send/ways to handle events generated.
14 //! This test has been very useful, though due to its complexity good starting inputs are critical.
16 use bitcoin::blockdata::block::BlockHeader;
17 use bitcoin::blockdata::transaction::{Transaction, TxOut};
18 use bitcoin::blockdata::script::{Builder, Script};
19 use bitcoin::blockdata::opcodes;
20 use bitcoin::consensus::encode::deserialize;
21 use bitcoin::network::constants::Network;
22 use bitcoin::blockdata::constants::genesis_block;
24 use bitcoin::hashes::Hash as TraitImport;
25 use bitcoin::hashes::HashEngine as TraitImportEngine;
26 use bitcoin::hashes::sha256::Hash as Sha256;
27 use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash};
30 use lightning::chain::{Confirm, Listen};
31 use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
32 use lightning::chain::chainmonitor;
33 use lightning::chain::transaction::OutPoint;
34 use lightning::chain::keysinterface::{InMemorySigner, KeysInterface};
35 use lightning::ln::channelmanager::{BestBlock, ChainParameters, ChannelManager, PaymentHash, PaymentPreimage, PaymentSecret};
36 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor};
37 use lightning::ln::msgs::DecodeError;
38 use lightning::routing::router::get_route;
39 use lightning::routing::network_graph::NetGraphMsgHandler;
40 use lightning::util::config::UserConfig;
41 use lightning::util::events::{EventsProvider,Event};
42 use lightning::util::enforcing_trait_impls::EnforcingSigner;
43 use lightning::util::logger::Logger;
44 use lightning::util::ser::Readable;
46 use utils::test_logger;
47 use utils::test_persister::TestPersister;
49 use bitcoin::secp256k1::key::{PublicKey,SecretKey};
50 use bitcoin::secp256k1::Secp256k1;
52 use std::cell::RefCell;
53 use std::collections::{HashMap, hash_map};
55 use std::sync::{Arc, Mutex};
56 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
59 pub fn slice_to_be16(v: &[u8]) -> u16 {
60 ((v[0] as u16) << 8*1) |
61 ((v[1] as u16) << 8*0)
65 pub fn slice_to_be24(v: &[u8]) -> u32 {
66 ((v[0] as u32) << 8*2) |
67 ((v[1] as u32) << 8*1) |
68 ((v[2] as u32) << 8*0)
72 pub fn slice_to_be32(v: &[u8]) -> u32 {
73 ((v[0] as u32) << 8*3) |
74 ((v[1] as u32) << 8*2) |
75 ((v[2] as u32) << 8*1) |
76 ((v[3] as u32) << 8*0)
80 pub fn be64_to_array(u: u64) -> [u8; 8] {
82 v[0] = ((u >> 8*7) & 0xff) as u8;
83 v[1] = ((u >> 8*6) & 0xff) as u8;
84 v[2] = ((u >> 8*5) & 0xff) as u8;
85 v[3] = ((u >> 8*4) & 0xff) as u8;
86 v[4] = ((u >> 8*3) & 0xff) as u8;
87 v[5] = ((u >> 8*2) & 0xff) as u8;
88 v[6] = ((u >> 8*1) & 0xff) as u8;
89 v[7] = ((u >> 8*0) & 0xff) as u8;
95 read_pos: AtomicUsize,
98 fn get_slice(&self, len: usize) -> Option<&[u8]> {
99 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
100 if self.data.len() < old_pos + len {
103 Some(&self.data[old_pos..old_pos + len])
107 struct FuzzEstimator {
108 input: Arc<InputData>,
110 impl FeeEstimator for FuzzEstimator {
111 fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
112 //TODO: We should actually be testing at least much more than 64k...
113 match self.input.get_slice(2) {
114 Some(slice) => cmp::max(slice_to_be16(slice) as u32, 253),
120 struct TestBroadcaster {
121 txn_broadcasted: Mutex<Vec<Transaction>>,
123 impl BroadcasterInterface for TestBroadcaster {
124 fn broadcast_transaction(&self, tx: &Transaction) {
125 self.txn_broadcasted.lock().unwrap().push(tx.clone());
132 peers_connected: &'a RefCell<[bool; 256]>,
134 impl<'a> SocketDescriptor for Peer<'a> {
135 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
138 fn disconnect_socket(&mut self) {
139 assert!(self.peers_connected.borrow()[self.id as usize]);
140 self.peers_connected.borrow_mut()[self.id as usize] = false;
143 impl<'a> PartialEq for Peer<'a> {
144 fn eq(&self, other: &Self) -> bool {
148 impl<'a> Eq for Peer<'a> {}
149 impl<'a> std::hash::Hash for Peer<'a> {
150 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
155 type ChannelMan = ChannelManager<
157 Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
158 Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>;
159 type PeerMan<'a> = PeerManager<Peer<'a>, Arc<ChannelMan>, Arc<NetGraphMsgHandler<Arc<dyn chain::Access>, Arc<dyn Logger>>>, Arc<dyn Logger>>;
161 struct MoneyLossDetector<'a> {
162 manager: Arc<ChannelMan>,
163 monitor: Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
164 handler: PeerMan<'a>,
166 peers: &'a RefCell<[bool; 256]>,
167 funding_txn: Vec<Transaction>,
168 txids_confirmed: HashMap<Txid, usize>,
169 header_hashes: Vec<(BlockHash, u32)>,
172 blocks_connected: u32,
174 impl<'a> MoneyLossDetector<'a> {
175 pub fn new(peers: &'a RefCell<[bool; 256]>,
176 manager: Arc<ChannelMan>,
177 monitor: Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
178 handler: PeerMan<'a>) -> Self {
185 funding_txn: Vec::new(),
186 txids_confirmed: HashMap::new(),
187 header_hashes: vec![(genesis_block(Network::Bitcoin).block_hash(), 0)],
194 fn connect_block(&mut self, all_txn: &[Transaction]) {
195 let mut txdata = Vec::with_capacity(all_txn.len());
196 for (idx, tx) in all_txn.iter().enumerate() {
197 let txid = tx.txid();
198 match self.txids_confirmed.entry(txid) {
199 hash_map::Entry::Vacant(e) => {
200 e.insert(self.height);
201 txdata.push((idx + 1, tx));
207 self.blocks_connected += 1;
208 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height].0, merkle_root: Default::default(), time: self.blocks_connected, bits: 42, nonce: 42 };
210 self.manager.transactions_confirmed(&header, &txdata, self.height as u32);
211 self.manager.best_block_updated(&header, self.height as u32);
212 (*self.monitor).transactions_confirmed(&header, &txdata, self.height as u32);
213 (*self.monitor).best_block_updated(&header, self.height as u32);
214 if self.header_hashes.len() > self.height {
215 self.header_hashes[self.height] = (header.block_hash(), self.blocks_connected);
217 assert_eq!(self.header_hashes.len(), self.height);
218 self.header_hashes.push((header.block_hash(), self.blocks_connected));
220 self.max_height = cmp::max(self.height, self.max_height);
223 fn disconnect_block(&mut self) {
224 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
225 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height - 1].0, merkle_root: Default::default(), time: self.header_hashes[self.height].1, bits: 42, nonce: 42 };
226 self.manager.block_disconnected(&header, self.height as u32);
227 self.monitor.block_disconnected(&header, self.height as u32);
229 let removal_height = self.height;
230 self.txids_confirmed.retain(|_, height| {
231 removal_height != *height
237 impl<'a> Drop for MoneyLossDetector<'a> {
239 if !::std::thread::panicking() {
240 // Disconnect all peers
241 for (idx, peer) in self.peers.borrow().iter().enumerate() {
243 self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
247 // Force all channels onto the chain (and time out claim txn)
248 self.manager.force_close_all_channels();
254 node_secret: SecretKey,
257 impl KeysInterface for KeyProvider {
258 type Signer = EnforcingSigner;
260 fn get_node_secret(&self) -> SecretKey {
261 self.node_secret.clone()
264 fn get_destination_script(&self) -> Script {
265 let secp_ctx = Secp256k1::signing_only();
266 let channel_monitor_claim_key = SecretKey::from_slice(&hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
267 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
268 Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
271 fn get_shutdown_pubkey(&self) -> PublicKey {
272 let secp_ctx = Secp256k1::signing_only();
273 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, 1]).unwrap())
276 fn get_channel_signer(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingSigner {
277 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
278 let secp_ctx = Secp256k1::signing_only();
279 EnforcingSigner::new(if inbound {
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, 1, ctr]).unwrap(),
283 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(),
284 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(),
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, 4, ctr]).unwrap(),
286 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(),
287 [0, 0, 0, 0, 0, 0, 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],
288 channel_value_satoshis,
294 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(),
295 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(),
296 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(),
297 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(),
298 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(),
299 [0, 0, 0, 0, 0, 0, 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],
300 channel_value_satoshis,
306 fn get_secure_random_bytes(&self) -> [u8; 32] {
307 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
308 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
309 (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]
312 fn read_chan_signer(&self, data: &[u8]) -> Result<EnforcingSigner, DecodeError> {
313 EnforcingSigner::read(&mut std::io::Cursor::new(data))
318 pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
319 let input = Arc::new(InputData {
321 read_pos: AtomicUsize::new(0),
323 let fee_est = Arc::new(FuzzEstimator {
324 input: input.clone(),
327 macro_rules! get_slice {
329 match input.get_slice($len as usize) {
330 Some(slice) => slice,
336 macro_rules! get_pubkey {
338 match PublicKey::from_slice(get_slice!(33)) {
345 let our_network_key = match SecretKey::from_slice(get_slice!(32)) {
350 let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
351 let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(), Arc::new(TestPersister{})));
353 let keys_manager = Arc::new(KeyProvider { node_secret: our_network_key.clone(), counter: AtomicU64::new(0) });
354 let mut config = UserConfig::default();
355 config.channel_options.fee_proportional_millionths = slice_to_be32(get_slice!(4));
356 config.channel_options.announced_channel = get_slice!(1)[0] != 0;
357 config.peer_channel_config_limits.min_dust_limit_satoshis = 0;
358 let network = Network::Bitcoin;
359 let params = ChainParameters {
361 best_block: BestBlock::from_genesis(network),
363 let channelmanager = Arc::new(ChannelManager::new(fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, params));
364 let our_id = PublicKey::from_secret_key(&Secp256k1::signing_only(), &keys_manager.get_node_secret());
365 let net_graph_msg_handler = Arc::new(NetGraphMsgHandler::new(genesis_block(network).block_hash(), None, Arc::clone(&logger)));
367 let peers = RefCell::new([false; 256]);
368 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
369 chan_handler: channelmanager.clone(),
370 route_handler: net_graph_msg_handler.clone(),
371 }, 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)));
373 let mut should_forward = false;
374 let mut payments_received: Vec<(PaymentHash, Option<PaymentSecret>, u64)> = Vec::new();
375 let mut payments_sent = 0;
376 let mut pending_funding_generation: Vec<([u8; 32], u64, Script)> = Vec::new();
377 let mut pending_funding_signatures = HashMap::new();
380 match get_slice!(1)[0] {
384 if !peers.borrow()[i-1] {
389 if new_id == 0 { return; }
390 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
391 peers.borrow_mut()[new_id - 1] = true;
396 if !peers.borrow()[i-1] {
401 if new_id == 0 { return; }
402 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
403 peers.borrow_mut()[new_id - 1] = true;
406 let peer_id = get_slice!(1)[0];
407 if !peers.borrow()[peer_id as usize] { return; }
408 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
409 peers.borrow_mut()[peer_id as usize] = false;
412 let peer_id = get_slice!(1)[0];
413 if !peers.borrow()[peer_id as usize] { return; }
414 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
415 Ok(res) => assert!(!res),
416 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
420 let value = slice_to_be24(get_slice!(3)) as u64;
421 let route = match get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &get_pubkey!(), None, None, &Vec::new(), value, 42, Arc::clone(&logger)) {
425 let mut payment_hash = PaymentHash([0; 32]);
426 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
427 let mut sha = Sha256::engine();
428 sha.input(&payment_hash.0[..]);
429 payment_hash.0 = Sha256::from_engine(sha).into_inner();
431 match channelmanager.send_payment(&route, payment_hash, &None) {
437 let value = slice_to_be24(get_slice!(3)) as u64;
438 let mut route = match get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &get_pubkey!(), None, None, &Vec::new(), value, 42, Arc::clone(&logger)) {
442 route.paths.push(route.paths[0].clone());
443 let mut payment_hash = PaymentHash([0; 32]);
444 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
445 let mut sha = Sha256::engine();
446 sha.input(&payment_hash.0[..]);
447 payment_hash.0 = Sha256::from_engine(sha).into_inner();
449 let mut payment_secret = PaymentSecret([0; 32]);
450 payment_secret.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
452 match channelmanager.send_payment(&route, payment_hash, &Some(payment_secret)) {
458 let peer_id = get_slice!(1)[0];
459 if !peers.borrow()[peer_id as usize] { return; }
460 let their_key = get_pubkey!();
461 let chan_value = slice_to_be24(get_slice!(3)) as u64;
462 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
463 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None).is_err() { return; }
466 let mut channels = channelmanager.list_channels();
467 let channel_id = get_slice!(1)[0] as usize;
468 if channel_id >= channels.len() { return; }
469 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
470 if channelmanager.close_channel(&channels[channel_id].channel_id).is_err() { return; }
474 channelmanager.process_pending_htlc_forwards();
475 should_forward = false;
479 for (payment, payment_secret, amt) in payments_received.drain(..) {
480 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
481 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
482 // fulfill this HTLC, but if they are, we can just take the first byte and
483 // place that anywhere in our preimage.
484 if &payment.0[1..] != &[0; 31] {
485 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
487 let mut payment_preimage = PaymentPreimage([0; 32]);
488 payment_preimage.0[0] = payment.0[0];
489 channelmanager.claim_funds(payment_preimage, &payment_secret, amt);
494 let payment_preimage = PaymentPreimage(keys_manager.get_secure_random_bytes());
495 let mut sha = Sha256::engine();
496 sha.input(&payment_preimage.0[..]);
497 let payment_hash = PaymentHash(Sha256::from_engine(sha).into_inner());
498 // Note that this may fail - our hashes may collide and we'll end up trying to
499 // double-register the same payment_hash.
500 let _ = channelmanager.create_inbound_payment_for_hash(payment_hash, None, 1);
503 for (payment, payment_secret, _) in payments_received.drain(..) {
504 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
508 'outer_loop: for funding_generation in pending_funding_generation.drain(..) {
509 let mut tx = Transaction { version: 0, lock_time: 0, input: Vec::new(), output: vec![TxOut {
510 value: funding_generation.1, script_pubkey: funding_generation.2,
512 let funding_output = 'search_loop: loop {
513 let funding_txid = tx.txid();
514 if let None = loss_detector.txids_confirmed.get(&funding_txid) {
515 let outpoint = OutPoint { txid: funding_txid, index: 0 };
516 for chan in channelmanager.list_channels() {
517 if chan.channel_id == outpoint.to_channel_id() {
519 continue 'search_loop;
525 if tx.version > 0xff {
526 continue 'outer_loop;
529 channelmanager.funding_transaction_generated(&funding_generation.0, tx.clone()).unwrap();
530 pending_funding_signatures.insert(funding_output, tx);
534 let mut txn = broadcast.txn_broadcasted.lock().unwrap();
536 loss_detector.connect_block(&txn[..]);
538 loss_detector.connect_block(&[]);
541 for tx in txn.drain(..) {
542 loss_detector.funding_txn.push(tx);
546 let txlen = slice_to_be16(get_slice!(2));
548 loss_detector.connect_block(&[]);
550 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
551 if let Ok(tx) = txres {
552 let mut output_val = 0;
553 for out in tx.output.iter() {
554 if out.value > 21_000_000_0000_0000 { return; }
555 output_val += out.value;
556 if output_val > 21_000_000_0000_0000 { return; }
558 loss_detector.connect_block(&[tx]);
565 loss_detector.disconnect_block();
568 let mut channels = channelmanager.list_channels();
569 let channel_id = get_slice!(1)[0] as usize;
570 if channel_id >= channels.len() { return; }
571 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
572 channelmanager.force_close_channel(&channels[channel_id].channel_id).unwrap();
577 loss_detector.handler.process_events();
578 for event in loss_detector.manager.get_and_clear_pending_events() {
580 Event::FundingGenerationReady { temporary_channel_id, channel_value_satoshis, output_script, .. } => {
581 pending_funding_generation.push((temporary_channel_id, channel_value_satoshis, output_script));
583 Event::PaymentReceived { payment_hash, payment_secret, amt } => {
584 //TODO: enhance by fetching random amounts from fuzz input?
585 payments_received.push((payment_hash, payment_secret, amt));
587 Event::PaymentSent {..} => {},
588 Event::PaymentFailed {..} => {},
589 Event::PendingHTLCsForwardable {..} => {
590 should_forward = true;
592 Event::SpendableOutputs {..} => {},
598 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
599 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
600 do_test(data, &logger);
604 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
605 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
606 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
611 use lightning::util::logger::{Logger, Record};
612 use std::collections::HashMap;
613 use std::sync::{Arc, Mutex};
615 struct TrackingLogger {
616 /// (module, message) -> count
617 pub lines: Mutex<HashMap<(String, String), usize>>,
619 impl Logger for TrackingLogger {
620 fn log(&self, record: &Record) {
621 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
622 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
627 fn test_no_existing_test_breakage() {
628 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
629 // changes (such as requesting feerate info in a new place), we run a pretty full
630 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
631 // so this should be updated pretty liberally, but at least we'll know when changes occur.
632 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
634 // What each byte represents is broken down below, and then everything is concatenated into
635 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
637 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
638 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
639 // of the Lightning message
640 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
641 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
643 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
645 // 0100000000000000000000000000000000000000000000000000000000000000 - our network key
646 // 00000000 - fee_proportional_millionths
647 // 01 - announce_channels_publicly
649 // 00 - new outbound connection with id 0
650 // 030000000000000000000000000000000000000000000000000000000000000002 - peer's pubkey
651 // 030032 - inbound read from peer id 0 of len 50
652 // 00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000 - noise act two (0||pubkey||mac)
654 // 030012 - inbound read from peer id 0 of len 18
655 // 000a 03000000000000000000000000000000 - message header indicating message length 10
656 // 03001a - inbound read from peer id 0 of len 26
657 // 0010 00022000 00022000 03000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
659 // 030012 - inbound read from peer id 0 of len 18
660 // 0141 03000000000000000000000000000000 - message header indicating message length 321
661 // 0300fe - inbound read from peer id 0 of len 254
662 // 0020 7500000000000000000000000000000000000000000000000000000000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000222 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
663 // 030053 - inbound read from peer id 0 of len 83
664 // 030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 03000000000000000000000000000000 - rest of open_channel and mac
666 // 00fd00fd00fd - Three feerate requests (all returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
667 // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
669 // 030012 - inbound read from peer id 0 of len 18
670 // 0084 03000000000000000000000000000000 - message header indicating message length 132
671 // 030094 - inbound read from peer id 0 of len 148
672 // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 00000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_created and mac
673 // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
675 // 0c005e - connect a block with one transaction of len 94
676 // 020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
677 // 0c0000 - connect a block with no transactions
678 // 0c0000 - connect a block with no transactions
679 // 0c0000 - connect a block with no transactions
680 // 0c0000 - connect a block with no transactions
681 // 0c0000 - connect a block with no transactions
682 // 0c0000 - connect a block with no transactions
683 // 0c0000 - connect a block with no transactions
684 // 0c0000 - connect a block with no transactions
685 // 0c0000 - connect a block with no transactions
686 // 0c0000 - connect a block with no transactions
687 // 0c0000 - connect a block with no transactions
688 // 0c0000 - connect a block with no transactions
689 // - by now client should have sent a funding_locked (CHECK 3: SendFundingLocked to 03000000 for chan 3d000000)
691 // 030012 - inbound read from peer id 0 of len 18
692 // 0043 03000000000000000000000000000000 - message header indicating message length 67
693 // 030053 - inbound read from peer id 0 of len 83
694 // 0024 3d00000000000000000000000000000000000000000000000000000000000000 020800000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_locked and mac
696 // 01 - new inbound connection with id 1
697 // 030132 - inbound read from peer id 1 of len 50
698 // 0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000 - inbound noise act 1
699 // 030142 - inbound read from peer id 1 of len 66
700 // 000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000 - inbound noise act 3
702 // 030112 - inbound read from peer id 1 of len 18
703 // 000a 01000000000000000000000000000000 - message header indicating message length 10
704 // 03011a - inbound read from peer id 1 of len 26
705 // 0010 00022000 00022000 01000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
707 // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat
708 // 00fd00fd - Two feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
710 // 030112 - inbound read from peer id 1 of len 18
711 // 0110 01000000000000000000000000000000 - message header indicating message length 272
712 // 0301ff - inbound read from peer id 1 of len 255
713 // 0021 0000000000000000000000000000000000000000000000000000000000000e05 000000000000001a 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 02660000000000000000000000000000 - beginning of accept_channel
714 // 030121 - inbound read from peer id 1 of len 33
715 // 0000000000000000000000000000000000 01000000000000000000000000000000 - rest of accept_channel and mac
717 // 0a - create the funding transaction (client should send funding_created now)
719 // 030112 - inbound read from peer id 1 of len 18
720 // 0062 01000000000000000000000000000000 - message header indicating message length 98
721 // 030172 - inbound read from peer id 1 of len 114
722 // 0023 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_signed message and mac
724 // 0b - broadcast funding transaction
725 // - by now client should have sent a funding_locked (CHECK 4: SendFundingLocked to 03020000 for chan 3f000000)
727 // 030112 - inbound read from peer id 1 of len 18
728 // 0043 01000000000000000000000000000000 - message header indicating message length 67
729 // 030153 - inbound read from peer id 1 of len 83
730 // 0024 3a00000000000000000000000000000000000000000000000000000000000000 026700000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_locked and mac
732 // 030012 - inbound read from peer id 0 of len 18
733 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
734 // 0300ff - inbound read from peer id 0 of len 255
735 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e80000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
736 // 0300ff - inbound read from peer id 0 of len 255
737 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
738 // 0300ff - inbound read from peer id 0 of len 255
739 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
740 // 0300ff - inbound read from peer id 0 of len 255
741 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
742 // 0300ff - inbound read from peer id 0 of len 255
743 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
744 // 0300c1 - inbound read from peer id 0 of len 193
745 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
747 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
749 // 030012 - inbound read from peer id 0 of len 18
750 // 0064 03000000000000000000000000000000 - message header indicating message length 100
751 // 030074 - inbound read from peer id 0 of len 116
752 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000300100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
753 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
755 // 030012 - inbound read from peer id 0 of len 18
756 // 0063 03000000000000000000000000000000 - message header indicating message length 99
757 // 030073 - inbound read from peer id 0 of len 115
758 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0900000000000000000000000000000000000000000000000000000000000000 020b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
760 // 07 - process the now-pending HTLC forward
761 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: SendHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
763 // - we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
764 // 030112 - inbound read from peer id 1 of len 18
765 // 0064 01000000000000000000000000000000 - message header indicating message length 100
766 // 030174 - inbound read from peer id 1 of len 116
767 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000006a0001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
769 // 030112 - inbound read from peer id 1 of len 18
770 // 0063 01000000000000000000000000000000 - message header indicating message length 99
771 // 030173 - inbound read from peer id 1 of len 115
772 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6600000000000000000000000000000000000000000000000000000000000000 026400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
774 // 030112 - inbound read from peer id 1 of len 18
775 // 004a 01000000000000000000000000000000 - message header indicating message length 74
776 // 03015a - inbound read from peer id 1 of len 90
777 // 0082 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000 - update_fulfill_htlc and mac
778 // - client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
780 // 030112 - inbound read from peer id 1 of len 18
781 // 0064 01000000000000000000000000000000 - message header indicating message length 100
782 // 030174 - inbound read from peer id 1 of len 116
783 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000100001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
785 // 030112 - inbound read from peer id 1 of len 18
786 // 0063 01000000000000000000000000000000 - message header indicating message length 99
787 // 030173 - inbound read from peer id 1 of len 115
788 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6700000000000000000000000000000000000000000000000000000000000000 026500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
790 // - before responding to the commitment_signed generated above, send a new HTLC
791 // 030012 - inbound read from peer id 0 of len 18
792 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
793 // 0300ff - inbound read from peer id 0 of len 255
794 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e80000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
795 // 0300ff - inbound read from peer id 0 of len 255
796 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
797 // 0300ff - inbound read from peer id 0 of len 255
798 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
799 // 0300ff - inbound read from peer id 0 of len 255
800 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
801 // 0300ff - inbound read from peer id 0 of len 255
802 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
803 // 0300c1 - inbound read from peer id 0 of len 193
804 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
806 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
808 // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
809 // 030012 - inbound read from peer id 0 of len 18
810 // 0063 03000000000000000000000000000000 - message header indicating message length 99
811 // 030073 - inbound read from peer id 0 of len 115
812 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0800000000000000000000000000000000000000000000000000000000000000 020a00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
813 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
815 // 030012 - inbound read from peer id 0 of len 18
816 // 0064 03000000000000000000000000000000 - message header indicating message length 100
817 // 030074 - inbound read from peer id 0 of len 116
818 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000c30100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
820 // 030012 - inbound read from peer id 0 of len 18
821 // 0063 03000000000000000000000000000000 - message header indicating message length 99
822 // 030073 - inbound read from peer id 0 of len 115
823 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0b00000000000000000000000000000000000000000000000000000000000000 020d00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
825 // 07 - process the now-pending HTLC forward
826 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
827 // - we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
829 // 030112 - inbound read from peer id 1 of len 18
830 // 0064 01000000000000000000000000000000 - message header indicating message length 100
831 // 030174 - inbound read from peer id 1 of len 116
832 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
834 // 030112 - inbound read from peer id 1 of len 18
835 // 0063 01000000000000000000000000000000 - message header indicating message length 99
836 // 030173 - inbound read from peer id 1 of len 115
837 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6400000000000000000000000000000000000000000000000000000000000000 027000000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
839 // 030112 - inbound read from peer id 1 of len 18
840 // 002c 01000000000000000000000000000000 - message header indicating message length 44
841 // 03013c - inbound read from peer id 1 of len 60
842 // 0083 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000 - update_fail_htlc and mac
844 // 030112 - inbound read from peer id 1 of len 18
845 // 0064 01000000000000000000000000000000 - message header indicating message length 100
846 // 030174 - inbound read from peer id 1 of len 116
847 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
849 // 030112 - inbound read from peer id 1 of len 18
850 // 0063 01000000000000000000000000000000 - message header indicating message length 99
851 // 030173 - inbound read from peer id 1 of len 115
852 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6500000000000000000000000000000000000000000000000000000000000000 027100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
854 // 07 - process the now-pending HTLC forward
855 // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
856 // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
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 0a00000000000000000000000000000000000000000000000000000000000000 020c00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
863 // 030012 - inbound read from peer id 0 of len 18
864 // 0064 03000000000000000000000000000000 - message header indicating message length 100
865 // 030074 - inbound read from peer id 0 of len 116
866 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000320100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
867 // - client should now respond with revoke_and_ack (CHECK 5 duplicate)
869 // 030012 - inbound read from peer id 0 of len 18
870 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
871 // 0300ff - inbound read from peer id 0 of len 255
872 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e0000010000000000000003e8000000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
873 // 0300ff - inbound read from peer id 0 of len 255
874 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
875 // 0300ff - inbound read from peer id 0 of len 255
876 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
877 // 0300ff - inbound read from peer id 0 of len 255
878 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
879 // 0300ff - inbound read from peer id 0 of len 255
880 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
881 // 0300c1 - inbound read from peer id 0 of len 193
882 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
884 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
886 // 030012 - inbound read from peer id 0 of len 18
887 // 00a4 03000000000000000000000000000000 - message header indicating message length 164
888 // 0300b4 - inbound read from peer id 0 of len 180
889 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000a60100000000000000000000000000000000000000000000000000000000000000 0001 00000000000000000000000000000000000000000000000000000000000000b40500000000000000000000000000000000000000000000000000000000000006 03000000000000000000000000000000 - commitment_signed and mac
890 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
892 // 030012 - inbound read from peer id 0 of len 18
893 // 0063 03000000000000000000000000000000 - message header indicating message length 99
894 // 030073 - inbound read from peer id 0 of len 115
895 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0d00000000000000000000000000000000000000000000000000000000000000 020f00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
897 // 07 - process the now-pending HTLC forward
898 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
900 // 0c007d - connect a block with one transaction of len 125
901 // 02000000013a0000000000000000000000000000000000000000000000000000000000000000000000000000008002000100000000000022002093000000000000000000000000000000000000000000000000000000000000006cc1000000000000160014280000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
902 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
903 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
904 // 0c005e - connect a block with one transaction of len 94
905 // 02000000018900000000000000000000000000000000000000000000000000000000000000000000000000000000014f00000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000 - the HTLC timeout transaction
906 // 0c0000 - connect a block with no transactions
907 // 0c0000 - connect a block with no transactions
908 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
909 // 0c0000 - connect a block with no transactions
910 // 0c0000 - connect a block with no transactions
911 // 0c0000 - connect a block with no transactions
913 // 07 - process the now-pending HTLC forward
914 // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
916 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
917 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&(Arc::clone(&logger) as Arc<dyn Logger>));
919 let log_entries = logger.lines.lock().unwrap();
920 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendAcceptChannel event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679".to_string())), Some(&1)); // 1
921 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingSigned event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 2
922 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingLocked event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 3
923 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingLocked event in peer_handler for node 030200000000000000000000000000000000000000000000000000000000000000 for channel 3a00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 4
924 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendRevokeAndACK event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&4)); // 5
925 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 with 0 adds, 0 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 6
926 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030200000000000000000000000000000000000000000000000000000000000000 with 1 adds, 0 fulfills, 0 fails for channel 3a00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 7
927 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 with 0 adds, 1 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 8
928 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 with 0 adds, 0 fulfills, 1 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&2)); // 9
929 assert_eq!(log_entries.get(&("lightning::chain::channelmonitor".to_string(), "Input spending counterparty commitment tx (0000000000000000000000000000000000000000000000000000000000000089:0) in 0000000000000000000000000000000000000000000000000000000000000074 resolves outbound HTLC with payment hash ff00000000000000000000000000000000000000000000000000000000000000 with timeout".to_string())), Some(&1)); // 10