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};
41 use std::sync::{Arc,Mutex};
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 {
99 //TODO: We should actually be testing at least much more than 64k...
100 match self.input.get_slice(2) {
101 Some(slice) => cmp::max(slice_to_be16(slice) as u64, 253),
107 pub struct TestBroadcaster {
108 pub txn_broadcasted: Mutex<Vec<Transaction>>,
110 impl BroadcasterInterface for TestBroadcaster {
111 fn broadcast_transaction(&self, tx: &Transaction) {
112 self.txn_broadcasted.lock().unwrap().push(tx.clone());
119 peers_connected: &'a RefCell<[bool; 256]>,
121 impl<'a> SocketDescriptor for Peer<'a> {
122 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
125 fn disconnect_socket(&mut self) {
126 assert!(self.peers_connected.borrow()[self.id as usize]);
127 self.peers_connected.borrow_mut()[self.id as usize] = false;
130 impl<'a> PartialEq for Peer<'a> {
131 fn eq(&self, other: &Self) -> bool {
135 impl<'a> Eq for Peer<'a> {}
136 impl<'a> std::hash::Hash for Peer<'a> {
137 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
142 struct MoneyLossDetector<'a> {
143 manager: Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>>,
144 monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>,
145 broadcaster: Arc<TestBroadcaster>,
146 handler: PeerManager<Peer<'a>, Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>>, Arc<dyn Logger>>,
148 peers: &'a RefCell<[bool; 256]>,
149 funding_txn: Vec<Transaction>,
150 txids_confirmed: HashMap<Txid, usize>,
151 header_hashes: Vec<BlockHash>,
154 blocks_connected: u32,
156 impl<'a> MoneyLossDetector<'a> {
157 pub fn new(peers: &'a RefCell<[bool; 256]>,
158 manager: Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>>,
159 monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>,
160 broadcaster: Arc<TestBroadcaster>,
161 handler: PeerManager<Peer<'a>, Arc<ChannelManager<EnforcingChannelKeys, Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>>, Arc<dyn Logger>>) -> Self {
169 funding_txn: Vec::new(),
170 txids_confirmed: HashMap::new(),
171 header_hashes: vec![Default::default()],
178 fn connect_block(&mut self, all_txn: &[Transaction]) {
179 let mut txn = Vec::with_capacity(all_txn.len());
180 let mut txn_idxs = Vec::with_capacity(all_txn.len());
181 for (idx, tx) in all_txn.iter().enumerate() {
182 let txid = tx.txid();
183 match self.txids_confirmed.entry(txid) {
184 hash_map::Entry::Vacant(e) => {
185 e.insert(self.height);
187 txn_idxs.push(idx as u32 + 1);
193 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: self.blocks_connected, bits: 42, nonce: 42 };
195 self.blocks_connected += 1;
196 self.manager.block_connected(&header, self.height as u32, &txn[..], &txn_idxs[..]);
197 (*self.monitor).block_connected(&header, self.height as u32, &txn[..], &txn_idxs[..]);
198 if self.header_hashes.len() > self.height {
199 self.header_hashes[self.height] = header.bitcoin_hash();
201 assert_eq!(self.header_hashes.len(), self.height);
202 self.header_hashes.push(header.bitcoin_hash());
204 self.max_height = cmp::max(self.height, self.max_height);
207 fn disconnect_block(&mut self) {
208 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
209 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
210 self.manager.block_disconnected(&header, self.height as u32);
211 self.monitor.block_disconnected(&header, self.height as u32);
213 let removal_height = self.height;
214 self.txids_confirmed.retain(|_, height| {
215 removal_height != *height
221 impl<'a> Drop for MoneyLossDetector<'a> {
223 if !::std::thread::panicking() {
224 // Disconnect all peers
225 for (idx, peer) in self.peers.borrow().iter().enumerate() {
227 self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
231 // Force all channels onto the chain (and time out claim txn)
232 self.manager.force_close_all_channels();
233 for _ in 0..6*24*14 {
234 self.connect_block(&[]);
238 // Test that all broadcasted transactions either spend one of our funding transactions or
239 // some other broadcasted transaction:
241 let mut txn_map = HashMap::new();
242 let mut funding_txn_map = HashMap::new();
243 for tx in self.funding_txn.drain(..) {
244 funding_txn_map.insert(tx.txid(), tx);
246 let mut txn_broadcasted = self.broadcaster.txn_broadcasted.lock().unwrap();
247 for tx in txn_broadcasted.drain(..) {
248 txn_map.insert(tx.txid(), tx);
250 /*for (_, tx) in txn_map.iter() {
251 for inp in tx.input.iter() {
252 let prev_tx = match funding_txn_map.get(&inp.prev_hash) {
255 txn_map.get(&inp.prev_hash).unwrap()
258 assert!(prev_tx.output.len() > inp.prev_index as usize);
262 //XXX: Find all non-conflicting sets of txn broadcasted and ensure that in each case we
263 //always get back at least the amount we expect minus tx fees (which we should be able to
269 node_secret: SecretKey,
272 impl KeysInterface for KeyProvider {
273 type ChanKeySigner = EnforcingChannelKeys;
275 fn get_node_secret(&self) -> SecretKey {
276 self.node_secret.clone()
279 fn get_destination_script(&self) -> Script {
280 let secp_ctx = Secp256k1::signing_only();
281 let channel_monitor_claim_key = SecretKey::from_slice(&hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
282 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
283 Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
286 fn get_shutdown_pubkey(&self) -> PublicKey {
287 let secp_ctx = Secp256k1::signing_only();
288 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())
291 fn get_channel_keys(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingChannelKeys {
292 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
293 let secp_ctx = Secp256k1::signing_only();
294 EnforcingChannelKeys::new(if inbound {
295 InMemoryChannelKeys::new(
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, 1, 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, 2, ctr]).unwrap(),
299 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(),
300 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(),
301 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(),
302 [0, 0, 0, 0, 0, 0, 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],
303 channel_value_satoshis,
306 InMemoryChannelKeys::new(
308 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(),
309 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(),
310 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(),
311 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(),
312 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(),
313 [0, 0, 0, 0, 0, 0, 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],
314 channel_value_satoshis,
319 fn get_onion_rand(&self) -> (SecretKey, [u8; 32]) {
320 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
321 (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(),
325 fn get_channel_id(&self) -> [u8; 32] {
326 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
327 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
328 (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]
333 pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
334 let input = Arc::new(InputData {
336 read_pos: AtomicUsize::new(0),
338 let fee_est = Arc::new(FuzzEstimator {
339 input: input.clone(),
342 macro_rules! get_slice {
344 match input.get_slice($len as usize) {
345 Some(slice) => slice,
351 macro_rules! get_pubkey {
353 match PublicKey::from_slice(get_slice!(33)) {
360 let our_network_key = match SecretKey::from_slice(get_slice!(32)) {
365 let watch = Arc::new(ChainWatchInterfaceUtil::new(Network::Bitcoin));
366 let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
367 let monitor = Arc::new(channelmonitor::SimpleManyChannelMonitor::new(watch.clone(), broadcast.clone(), Arc::clone(&logger), fee_est.clone()));
369 let keys_manager = Arc::new(KeyProvider { node_secret: our_network_key.clone(), counter: AtomicU64::new(0) });
370 let mut config = UserConfig::default();
371 config.channel_options.fee_proportional_millionths = slice_to_be32(get_slice!(4));
372 config.channel_options.announced_channel = get_slice!(1)[0] != 0;
373 config.peer_channel_config_limits.min_dust_limit_satoshis = 0;
374 let channelmanager = Arc::new(ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, 0).unwrap());
375 let our_id = PublicKey::from_secret_key(&Secp256k1::signing_only(), &keys_manager.get_node_secret());
376 let net_graph_msg_handler = Arc::new(NetGraphMsgHandler::new(watch.clone(), Arc::clone(&logger)));
378 let peers = RefCell::new([false; 256]);
379 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), broadcast.clone(), PeerManager::new(MessageHandler {
380 chan_handler: channelmanager.clone(),
381 route_handler: net_graph_msg_handler.clone(),
382 }, 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)));
384 let mut should_forward = false;
385 let mut payments_received: Vec<(PaymentHash, Option<PaymentSecret>, u64)> = Vec::new();
386 let mut payments_sent = 0;
387 let mut pending_funding_generation: Vec<([u8; 32], u64, Script)> = Vec::new();
388 let mut pending_funding_signatures = HashMap::new();
389 let mut pending_funding_relay = Vec::new();
392 let a = get_slice!(1)[0];
393 println!("action: {}", a);
398 if !peers.borrow()[i-1] {
403 if new_id == 0 { return; }
404 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
405 peers.borrow_mut()[new_id - 1] = true;
410 if !peers.borrow()[i-1] {
415 if new_id == 0 { return; }
416 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
417 peers.borrow_mut()[new_id - 1] = true;
420 let peer_id = get_slice!(1)[0];
421 if !peers.borrow()[peer_id as usize] { return; }
422 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
423 peers.borrow_mut()[peer_id as usize] = false;
426 let peer_id = get_slice!(1)[0];
427 if !peers.borrow()[peer_id as usize] { return; }
428 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
429 Ok(res) => assert!(!res),
430 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
434 let value = slice_to_be24(get_slice!(3)) as u64;
435 let route = match get_route(&our_id, &net_graph_msg_handler, &get_pubkey!(), None, &Vec::new(), value, 42, Arc::clone(&logger)) {
439 let mut payment_hash = PaymentHash([0; 32]);
440 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
441 let mut sha = Sha256::engine();
442 sha.input(&payment_hash.0[..]);
443 payment_hash.0 = Sha256::from_engine(sha).into_inner();
445 match channelmanager.send_payment(&route, payment_hash, &None) {
451 let value = slice_to_be24(get_slice!(3)) as u64;
452 let mut route = match get_route(&our_id, &net_graph_msg_handler, &get_pubkey!(), None, &Vec::new(), value, 42, Arc::clone(&logger)) {
456 route.paths.push(route.paths[0].clone());
457 let mut payment_hash = PaymentHash([0; 32]);
458 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
459 let mut sha = Sha256::engine();
460 sha.input(&payment_hash.0[..]);
461 payment_hash.0 = Sha256::from_engine(sha).into_inner();
463 let mut payment_secret = PaymentSecret([0; 32]);
464 payment_secret.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
466 match channelmanager.send_payment(&route, payment_hash, &Some(payment_secret)) {
472 let peer_id = get_slice!(1)[0];
473 if !peers.borrow()[peer_id as usize] { return; }
474 let their_key = get_pubkey!();
475 let chan_value = slice_to_be24(get_slice!(3)) as u64;
476 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
477 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None).is_err() { return; }
480 let mut channels = channelmanager.list_channels();
481 let channel_id = get_slice!(1)[0] as usize;
482 if channel_id >= channels.len() { return; }
483 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
484 if channelmanager.close_channel(&channels[channel_id].channel_id).is_err() { return; }
488 channelmanager.process_pending_htlc_forwards();
489 should_forward = false;
493 for (payment, payment_secret, amt) in payments_received.drain(..) {
494 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
495 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
496 // fulfill this HTLC, but if they are, we can just take the first byte and
497 // place that anywhere in our preimage.
498 if &payment.0[1..] != &[0; 31] {
499 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
501 let mut payment_preimage = PaymentPreimage([0; 32]);
502 payment_preimage.0[0] = payment.0[0];
503 channelmanager.claim_funds(payment_preimage, &payment_secret, amt);
508 for (payment, payment_secret, _) in payments_received.drain(..) {
509 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
513 'outer_loop: for funding_generation in pending_funding_generation.drain(..) {
514 let mut tx = Transaction { version: 0, lock_time: 0, input: Vec::new(), output: vec![TxOut {
515 value: funding_generation.1, script_pubkey: funding_generation.2,
517 let funding_output = 'search_loop: loop {
518 let funding_txid = tx.txid();
519 if let None = loss_detector.txids_confirmed.get(&funding_txid) {
520 let outpoint = OutPoint::new(funding_txid, 0);
521 for chan in channelmanager.list_channels() {
522 if chan.channel_id == outpoint.to_channel_id() {
524 continue 'search_loop;
530 if tx.version > 0xff {
531 continue 'outer_loop;
534 channelmanager.funding_transaction_generated(&funding_generation.0, funding_output.clone());
535 pending_funding_signatures.insert(funding_output, tx);
539 if !pending_funding_relay.is_empty() {
540 loss_detector.connect_block(&pending_funding_relay[..]);
542 loss_detector.connect_block(&[]);
545 for tx in pending_funding_relay.drain(..) {
546 loss_detector.funding_txn.push(tx);
550 let txlen = slice_to_be16(get_slice!(2));
552 loss_detector.connect_block(&[]);
554 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
555 if let Ok(tx) = txres {
556 let mut output_val = 0;
557 for out in tx.output.iter() {
558 if out.value > 21_000_000_0000_0000 { return; }
559 output_val += out.value;
560 if output_val > 21_000_000_0000_0000 { return; }
562 loss_detector.connect_block(&[tx]);
569 loss_detector.disconnect_block();
572 let mut channels = channelmanager.list_channels();
573 let channel_id = get_slice!(1)[0] as usize;
574 if channel_id >= channels.len() { return; }
575 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
576 channelmanager.force_close_channel(&channels[channel_id].channel_id);
581 println!("PROCESSING EVENTS");
582 loss_detector.handler.process_events();
583 for event in loss_detector.manager.get_and_clear_pending_events() {
585 Event::FundingGenerationReady { temporary_channel_id, channel_value_satoshis, output_script, .. } => {
587 pending_funding_generation.push((temporary_channel_id, channel_value_satoshis, output_script));
589 Event::FundingBroadcastSafe { funding_txo, .. } => {
591 pending_funding_relay.push(pending_funding_signatures.remove(&funding_txo).unwrap());
593 Event::PaymentReceived { payment_hash, payment_secret, amt } => {
594 //TODO: enhance by fetching random amounts from fuzz input?
595 payments_received.push((payment_hash, payment_secret, amt));
597 Event::PaymentSent {..} => {},
598 Event::PaymentFailed {..} => {},
599 Event::PendingHTLCsForwardable {..} => {
600 println!("PENDING HTLCS FORWARDABLE");
601 should_forward = true;
603 Event::SpendableOutputs {..} => {},
609 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
610 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
611 do_test(data, &logger);
615 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
616 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
617 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
622 use lightning::util::logger::{Logger, Record};
623 use std::collections::HashMap;
624 use std::sync::{Arc, Mutex};
626 struct TrackingLogger {
627 /// (module, message) -> count
628 pub lines: Mutex<HashMap<(String, String), usize>>,
630 impl Logger for TrackingLogger {
631 fn log(&self, record: &Record) {
632 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
633 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
638 fn test_no_existing_test_breakage() {
639 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
640 // changes (such as requesting feerate info in a new place), we run a pretty full
641 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
642 // so this should be updated pretty liberally, but at least we'll know when changes occur.
643 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
645 // What each byte represents is broken down below, and then everything is concatenated into
646 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
648 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
649 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
650 // of the Lightning message
651 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
652 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
654 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
656 // 0000000000000000000000000000000000000000000000000000000000000000 - our network key
657 // 00000000 - fee_proportional_millionths
658 // 01 - announce_channels_publicly
660 // 00 - new outbound connection with id 0
661 // 030000000000000000000000000000000000000000000000000000000000000000 - peer's pubkey
662 // 030032 - inbound read from peer id 0 of len 50
663 // 00 030000000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - noise act two (0||pubkey||mac)
665 // 030012 - inbound read from peer id 0 of len 18
666 // 000a 03000000000000000000000000000000 - message header indicating message length 10
667 // 03001a - inbound read from peer id 0 of len 26
668 // 0010 00022000 00022000 03000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
670 // 030012 - inbound read from peer id 0 of len 18
671 // 0141 03000000000000000000000000000000 - message header indicating message length 321
672 // 0300fe - inbound read from peer id 0 of len 254
673 // 0020 7500000000000000000000000000000000000000000000000000000000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000222 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
674 // 030053 - inbound read from peer id 0 of len 83
675 // 030000000000000000000000000000000000000000000000000000000000000005 030000000000000000000000000000000000000000000000000000000000000000 01 03000000000000000000000000000000 - rest of open_channel and mac
677 // 00fd00fd00fd - Three feerate requests (all returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
678 // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
680 // 030012 - inbound read from peer id 0 of len 18
681 // 0084 03000000000000000000000000000000 - message header indicating message length 132
682 // 030094 - inbound read from peer id 0 of len 148
683 // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 20000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 03000000000000000000000000000000 - funding_created and mac
684 // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
686 // 0c005e - connect a block with one transaction of len 94
687 // 020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
688 // 0c0000 - connect a block with no transactions
689 // 0c0000 - connect a block with no transactions
690 // 0c0000 - connect a block with no transactions
691 // 0c0000 - connect a block with no transactions
692 // 0c0000 - connect a block with no transactions
693 // 0c0000 - connect a block with no transactions
694 // 0c0000 - connect a block with no transactions
695 // 0c0000 - connect a block with no transactions
696 // 0c0000 - connect a block with no transactions
697 // 0c0000 - connect a block with no transactions
698 // 0c0000 - connect a block with no transactions
699 // 0c0000 - connect a block with no transactions
700 // - by now client should have sent a funding_locked (CHECK 3: SendFundingLocked to 03000000 for chan 3d000000)
702 // 030012 - inbound read from peer id 0 of len 18
703 // 0043 03000000000000000000000000000000 - message header indicating message length 67
704 // 030053 - inbound read from peer id 0 of len 83
705 // 0024 3d00000000000000000000000000000000000000000000000000000000000000 030100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_locked and mac
707 // 01 - new inbound connection with id 1
708 // 030132 - inbound read from peer id 1 of len 50
709 // 0003000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000 - inbound noise act 1
710 // 030142 - inbound read from peer id 1 of len 66
711 // 000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000 - inbound noise act 3
713 // 030112 - inbound read from peer id 1 of len 18
714 // 000a 01000000000000000000000000000000 - message header indicating message length 10
715 // 03011a - inbound read from peer id 1 of len 26
716 // 0010 00022000 00022000 01000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
718 // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat
719 // 00fd00fd00fd - Three feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
721 // 030112 - inbound read from peer id 1 of len 18
722 // 0110 01000000000000000000000000000000 - message header indicating message length 272
723 // 0301ff - inbound read from peer id 1 of len 255
724 // 0021 0000000000000000000000000000000000000000000000000000000000000e02 000000000000001a 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 03000000000000000000000000000000 - beginning of accept_channel
725 // 030121 - inbound read from peer id 1 of len 33
726 // 0000000000000000000000000000000000 01000000000000000000000000000000 - rest of accept_channel and mac
728 // 0a - create the funding transaction (client should send funding_created now)
730 // 030112 - inbound read from peer id 1 of len 18
731 // 0062 01000000000000000000000000000000 - message header indicating message length 98
732 // 030172 - inbound read from peer id 1 of len 114
733 // 0023 3900000000000000000000000000000000000000000000000000000000000000 f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 01000000000000000000000000000000 - funding_signed message and mac
735 // 0b - broadcast funding transaction
736 // - by now client should have sent a funding_locked (CHECK 4: SendFundingLocked to 03020000 for chan 3f000000)
738 // 030112 - inbound read from peer id 1 of len 18
739 // 0043 01000000000000000000000000000000 - message header indicating message length 67
740 // 030153 - inbound read from peer id 1 of len 83
741 // 0024 3900000000000000000000000000000000000000000000000000000000000000 030100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_locked and mac
743 // 030012 - inbound read from peer id 0 of len 18
744 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
745 // 0300ff - inbound read from peer id 0 of len 255
746 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e80000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
747 // 0300ff - inbound read from peer id 0 of len 255
748 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
749 // 0300ff - inbound read from peer id 0 of len 255
750 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
751 // 0300ff - inbound read from peer id 0 of len 255
752 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
753 // 0300ff - inbound read from peer id 0 of len 255
754 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
755 // 0300c1 - inbound read from peer id 0 of len 193
756 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
758 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
760 // 030012 - inbound read from peer id 0 of len 18
761 // 0064 03000000000000000000000000000000 - message header indicating message length 100
762 // 030074 - inbound read from peer id 0 of len 116
763 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 31000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
764 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
766 // 030012 - inbound read from peer id 0 of len 18
767 // 0063 03000000000000000000000000000000 - message header indicating message length 99
768 // 030073 - inbound read from peer id 0 of len 115
769 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 030200000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
771 // 07 - process the now-pending HTLC forward
772 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: SendHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
774 // - we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
775 // 030112 - inbound read from peer id 1 of len 18
776 // 0064 01000000000000000000000000000000 - message header indicating message length 100
777 // 030174 - inbound read from peer id 1 of len 116
778 // 0084 3900000000000000000000000000000000000000000000000000000000000000 f1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
780 // 030112 - inbound read from peer id 1 of len 18
781 // 0063 01000000000000000000000000000000 - message header indicating message length 99
782 // 030173 - inbound read from peer id 1 of len 115
783 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 030200000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
785 // 030112 - inbound read from peer id 1 of len 18
786 // 004a 01000000000000000000000000000000 - message header indicating message length 74
787 // 03015a - inbound read from peer id 1 of len 90
788 // 0082 3900000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000 - update_fulfill_htlc and mac
789 // - client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
791 // 030112 - inbound read from peer id 1 of len 18
792 // 0064 01000000000000000000000000000000 - message header indicating message length 100
793 // 030174 - inbound read from peer id 1 of len 116
794 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fd000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
796 // 030112 - inbound read from peer id 1 of len 18
797 // 0063 01000000000000000000000000000000 - message header indicating message length 99
798 // 030173 - inbound read from peer id 1 of len 115
799 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0100000000000000000000000000000000000000000000000000000000000000 030300000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
801 // - before responding to the commitment_signed generated above, send a new HTLC
802 // 030012 - inbound read from peer id 0 of len 18
803 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
804 // 0300ff - inbound read from peer id 0 of len 255
805 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e80000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
806 // 0300ff - inbound read from peer id 0 of len 255
807 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
808 // 0300ff - inbound read from peer id 0 of len 255
809 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
810 // 0300ff - inbound read from peer id 0 of len 255
811 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
812 // 0300ff - inbound read from peer id 0 of len 255
813 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
814 // 0300c1 - inbound read from peer id 0 of len 193
815 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
817 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
819 // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
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 0100000000000000000000000000000000000000000000000000000000000000 030300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
824 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
826 // 030012 - inbound read from peer id 0 of len 18
827 // 0064 03000000000000000000000000000000 - message header indicating message length 100
828 // 030074 - inbound read from peer id 0 of len 116
829 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 c2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
831 // 030012 - inbound read from peer id 0 of len 18
832 // 0063 03000000000000000000000000000000 - message header indicating message length 99
833 // 030073 - inbound read from peer id 0 of len 115
834 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0200000000000000000000000000000000000000000000000000000000000000 030400000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
836 // 07 - process the now-pending HTLC forward
837 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
838 // - we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
840 // 030112 - inbound read from peer id 1 of len 18
841 // 0064 01000000000000000000000000000000 - message header indicating message length 100
842 // 030174 - inbound read from peer id 1 of len 116
843 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
845 // 030112 - inbound read from peer id 1 of len 18
846 // 0063 01000000000000000000000000000000 - message header indicating message length 99
847 // 030173 - inbound read from peer id 1 of len 115
848 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0200000000000000000000000000000000000000000000000000000000000000 030400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
850 // 030112 - inbound read from peer id 1 of len 18
851 // 002c 01000000000000000000000000000000 - message header indicating message length 44
852 // 03013c - inbound read from peer id 1 of len 60
853 // 0083 3900000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000 - update_fail_htlc and mac
855 // 030112 - inbound read from peer id 1 of len 18
856 // 0064 01000000000000000000000000000000 - message header indicating message length 100
857 // 030174 - inbound read from peer id 1 of len 116
858 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
860 // 030112 - inbound read from peer id 1 of len 18
861 // 0063 01000000000000000000000000000000 - message header indicating message length 99
862 // 030173 - inbound read from peer id 1 of len 115
863 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0300000000000000000000000000000000000000000000000000000000000000 030500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
865 // 07 - process the now-pending HTLC forward
866 // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
867 // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
869 // 030012 - inbound read from peer id 0 of len 18
870 // 0063 03000000000000000000000000000000 - message header indicating message length 99
871 // 030073 - inbound read from peer id 0 of len 115
872 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0300000000000000000000000000000000000000000000000000000000000000 030500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
874 // 030012 - inbound read from peer id 0 of len 18
875 // 0064 03000000000000000000000000000000 - message header indicating message length 100
876 // 030074 - inbound read from peer id 0 of len 116
877 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 33000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
878 // - client should now respond with revoke_and_ack (CHECK 5 duplicate)
880 // 030012 - inbound read from peer id 0 of len 18
881 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
882 // 0300ff - inbound read from peer id 0 of len 255
883 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e0000010000000000000003e8000000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
884 // 0300ff - inbound read from peer id 0 of len 255
885 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
886 // 0300ff - inbound read from peer id 0 of len 255
887 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
888 // 0300ff - inbound read from peer id 0 of len 255
889 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
890 // 0300ff - inbound read from peer id 0 of len 255
891 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
892 // 0300c1 - inbound read from peer id 0 of len 193
893 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
895 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
897 // 030012 - inbound read from peer id 0 of len 18
898 // 00a4 03000000000000000000000000000000 - message header indicating message length 164
899 // 0300b4 - inbound read from peer id 0 of len 180
900 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 7b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0001 c8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007f00000000000000 03000000000000000000000000000000 - commitment_signed and mac
901 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
903 // 030012 - inbound read from peer id 0 of len 18
904 // 0063 03000000000000000000000000000000 - message header indicating message length 99
905 // 030073 - inbound read from peer id 0 of len 115
906 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0400000000000000000000000000000000000000000000000000000000000000 030600000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
908 // 07 - process the now-pending HTLC forward
909 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
911 // 0c007d - connect a block with one transaction of len 125
912 // 02000000013900000000000000000000000000000000000000000000000000000000000000000000000000000080020001000000000000220020bb000000000000000000000000000000000000000000000000000000000000006cc10000000000001600142b0000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
913 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
914 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
915 // 0c005e - connect a block with one transaction of len 94
916 // 0200000001a100000000000000000000000000000000000000000000000000000000000000000000000000000000014f00000000000000220020f60000000000000000000000000000000000000000000000000000000000000000000000 - the HTLC timeout transaction
917 // 0c0000 - connect a block with no transactions
918 // 0c0000 - connect a block with no transactions
919 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
920 // 0c0000 - connect a block with no transactions
921 // 0c0000 - connect a block with no transactions
922 // 0c0000 - connect a block with no transactions
924 // 07 - process the now-pending HTLC forward
925 // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
927 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
928 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&(Arc::clone(&logger) as Arc<dyn Logger>));
930 let log_entries = logger.lines.lock().unwrap();
931 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
932 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
933 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
934 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
935 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
936 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
937 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
938 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
939 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
940 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