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::util::hash::BitcoinHash;
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};
29 use lightning::chain::chaininterface::{BroadcasterInterface,ConfirmationTarget,ChainListener,FeeEstimator,ChainWatchInterfaceUtil};
30 use lightning::chain::transaction::OutPoint;
31 use lightning::chain::keysinterface::{InMemoryChannelKeys, KeysInterface};
32 use lightning::ln::channelmonitor;
33 use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage, PaymentSecret};
34 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor};
35 use lightning::routing::router::get_route;
36 use lightning::routing::network_graph::NetGraphMsgHandler;
37 use lightning::util::events::{EventsProvider,Event};
38 use lightning::util::enforcing_trait_impls::EnforcingChannelKeys;
39 use lightning::util::logger::Logger;
40 use lightning::util::config::UserConfig;
42 use utils::test_logger;
44 use bitcoin::secp256k1::key::{PublicKey,SecretKey};
45 use bitcoin::secp256k1::Secp256k1;
47 use std::cell::RefCell;
48 use std::collections::{HashMap, hash_map};
51 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
54 pub fn slice_to_be16(v: &[u8]) -> u16 {
55 ((v[0] as u16) << 8*1) |
56 ((v[1] as u16) << 8*0)
60 pub fn slice_to_be24(v: &[u8]) -> u32 {
61 ((v[0] as u32) << 8*2) |
62 ((v[1] as u32) << 8*1) |
63 ((v[2] as u32) << 8*0)
67 pub fn slice_to_be32(v: &[u8]) -> u32 {
68 ((v[0] as u32) << 8*3) |
69 ((v[1] as u32) << 8*2) |
70 ((v[2] as u32) << 8*1) |
71 ((v[3] as u32) << 8*0)
75 pub fn be64_to_array(u: u64) -> [u8; 8] {
77 v[0] = ((u >> 8*7) & 0xff) as u8;
78 v[1] = ((u >> 8*6) & 0xff) as u8;
79 v[2] = ((u >> 8*5) & 0xff) as u8;
80 v[3] = ((u >> 8*4) & 0xff) as u8;
81 v[4] = ((u >> 8*3) & 0xff) as u8;
82 v[5] = ((u >> 8*2) & 0xff) as u8;
83 v[6] = ((u >> 8*1) & 0xff) as u8;
84 v[7] = ((u >> 8*0) & 0xff) as u8;
90 read_pos: AtomicUsize,
93 fn get_slice(&self, len: usize) -> Option<&[u8]> {
94 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
95 if self.data.len() < old_pos + len {
98 Some(&self.data[old_pos..old_pos + len])
102 struct FuzzEstimator {
103 input: Arc<InputData>,
105 impl FeeEstimator for FuzzEstimator {
106 fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
107 //TODO: We should actually be testing at least much more than 64k...
108 match self.input.get_slice(2) {
109 Some(slice) => cmp::max(slice_to_be16(slice) as u32, 253),
115 struct TestBroadcaster {}
116 impl BroadcasterInterface for TestBroadcaster {
117 fn broadcast_transaction(&self, _tx: &Transaction) {}
123 peers_connected: &'a RefCell<[bool; 256]>,
125 impl<'a> SocketDescriptor for Peer<'a> {
126 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
129 fn disconnect_socket(&mut self) {
130 assert!(self.peers_connected.borrow()[self.id as usize]);
131 self.peers_connected.borrow_mut()[self.id as usize] = false;
134 impl<'a> PartialEq for Peer<'a> {
135 fn eq(&self, other: &Self) -> bool {
139 impl<'a> Eq for Peer<'a> {}
140 impl<'a> std::hash::Hash for Peer<'a> {
141 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
146 type ChannelMan = ChannelManager<
147 EnforcingChannelKeys,
148 Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>,
149 Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>;
150 type PeerMan<'a> = PeerManager<Peer<'a>, Arc<ChannelMan>, Arc<NetGraphMsgHandler<Arc<ChainWatchInterfaceUtil>, Arc<dyn Logger>>>, Arc<dyn Logger>>;
152 struct MoneyLossDetector<'a> {
153 manager: Arc<ChannelMan>,
154 monitor: Arc<channelmonitor::SimpleManyChannelMonitor<
155 OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>,
156 handler: PeerMan<'a>,
158 peers: &'a RefCell<[bool; 256]>,
159 funding_txn: Vec<Transaction>,
160 txids_confirmed: HashMap<Txid, usize>,
161 header_hashes: Vec<BlockHash>,
164 blocks_connected: u32,
166 impl<'a> MoneyLossDetector<'a> {
167 pub fn new(peers: &'a RefCell<[bool; 256]>,
168 manager: Arc<ChannelMan>,
169 monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<ChainWatchInterfaceUtil>>>,
170 handler: PeerMan<'a>) -> Self {
177 funding_txn: Vec::new(),
178 txids_confirmed: HashMap::new(),
179 header_hashes: vec![Default::default()],
186 fn connect_block(&mut self, all_txn: &[Transaction]) {
187 let mut txn = Vec::with_capacity(all_txn.len());
188 let mut txn_idxs = Vec::with_capacity(all_txn.len());
189 for (idx, tx) in all_txn.iter().enumerate() {
190 let txid = tx.txid();
191 match self.txids_confirmed.entry(txid) {
192 hash_map::Entry::Vacant(e) => {
193 e.insert(self.height);
195 txn_idxs.push(idx + 1);
201 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: self.blocks_connected, bits: 42, nonce: 42 };
203 self.blocks_connected += 1;
204 self.manager.block_connected(&header, self.height as u32, &txn[..], &txn_idxs[..]);
205 (*self.monitor).block_connected(&header, self.height as u32, &txn[..], &txn_idxs[..]);
206 if self.header_hashes.len() > self.height {
207 self.header_hashes[self.height] = header.bitcoin_hash();
209 assert_eq!(self.header_hashes.len(), self.height);
210 self.header_hashes.push(header.bitcoin_hash());
212 self.max_height = cmp::max(self.height, self.max_height);
215 fn disconnect_block(&mut self) {
216 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
217 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
218 self.manager.block_disconnected(&header, self.height as u32);
219 self.monitor.block_disconnected(&header, self.height as u32);
221 let removal_height = self.height;
222 self.txids_confirmed.retain(|_, height| {
223 removal_height != *height
229 impl<'a> Drop for MoneyLossDetector<'a> {
231 if !::std::thread::panicking() {
232 // Disconnect all peers
233 for (idx, peer) in self.peers.borrow().iter().enumerate() {
235 self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
239 // Force all channels onto the chain (and time out claim txn)
240 self.manager.force_close_all_channels();
246 node_secret: SecretKey,
249 impl KeysInterface for KeyProvider {
250 type ChanKeySigner = EnforcingChannelKeys;
252 fn get_node_secret(&self) -> SecretKey {
253 self.node_secret.clone()
256 fn get_destination_script(&self) -> Script {
257 let secp_ctx = Secp256k1::signing_only();
258 let channel_monitor_claim_key = SecretKey::from_slice(&hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
259 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
260 Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
263 fn get_shutdown_pubkey(&self) -> PublicKey {
264 let secp_ctx = Secp256k1::signing_only();
265 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())
268 fn get_channel_keys(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingChannelKeys {
269 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
270 let secp_ctx = Secp256k1::signing_only();
271 EnforcingChannelKeys::new(if inbound {
272 InMemoryChannelKeys::new(
274 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, ctr]).unwrap(),
275 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, ctr]).unwrap(),
276 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, ctr]).unwrap(),
277 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(),
278 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(),
279 [0, 0, 0, 0, 0, 0, 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],
280 channel_value_satoshis,
284 InMemoryChannelKeys::new(
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, 7, ctr]).unwrap(),
287 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(),
288 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(),
289 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(),
290 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(),
291 [0, 0, 0, 0, 0, 0, 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],
292 channel_value_satoshis,
298 fn get_onion_rand(&self) -> (SecretKey, [u8; 32]) {
299 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
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, 13, ctr]).unwrap(),
304 fn get_channel_id(&self) -> [u8; 32] {
305 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
306 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
307 (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 pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
313 let input = Arc::new(InputData {
315 read_pos: AtomicUsize::new(0),
317 let fee_est = Arc::new(FuzzEstimator {
318 input: input.clone(),
321 macro_rules! get_slice {
323 match input.get_slice($len as usize) {
324 Some(slice) => slice,
330 macro_rules! get_pubkey {
332 match PublicKey::from_slice(get_slice!(33)) {
339 let our_network_key = match SecretKey::from_slice(get_slice!(32)) {
344 let watch = Arc::new(ChainWatchInterfaceUtil::new(Network::Bitcoin));
345 let broadcast = Arc::new(TestBroadcaster{});
346 let monitor = Arc::new(channelmonitor::SimpleManyChannelMonitor::new(watch.clone(), broadcast.clone(), Arc::clone(&logger), fee_est.clone()));
348 let keys_manager = Arc::new(KeyProvider { node_secret: our_network_key.clone(), counter: AtomicU64::new(0) });
349 let mut config = UserConfig::default();
350 config.channel_options.fee_proportional_millionths = slice_to_be32(get_slice!(4));
351 config.channel_options.announced_channel = get_slice!(1)[0] != 0;
352 config.peer_channel_config_limits.min_dust_limit_satoshis = 0;
353 let channelmanager = Arc::new(ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, 0));
354 let our_id = PublicKey::from_secret_key(&Secp256k1::signing_only(), &keys_manager.get_node_secret());
355 let net_graph_msg_handler = Arc::new(NetGraphMsgHandler::new(watch.clone(), Arc::clone(&logger)));
357 let peers = RefCell::new([false; 256]);
358 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
359 chan_handler: channelmanager.clone(),
360 route_handler: net_graph_msg_handler.clone(),
361 }, 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)));
363 let mut should_forward = false;
364 let mut payments_received: Vec<(PaymentHash, Option<PaymentSecret>, u64)> = Vec::new();
365 let mut payments_sent = 0;
366 let mut pending_funding_generation: Vec<([u8; 32], u64, Script)> = Vec::new();
367 let mut pending_funding_signatures = HashMap::new();
368 let mut pending_funding_relay = Vec::new();
371 match get_slice!(1)[0] {
375 if !peers.borrow()[i-1] {
380 if new_id == 0 { return; }
381 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
382 peers.borrow_mut()[new_id - 1] = true;
387 if !peers.borrow()[i-1] {
392 if new_id == 0 { return; }
393 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
394 peers.borrow_mut()[new_id - 1] = true;
397 let peer_id = get_slice!(1)[0];
398 if !peers.borrow()[peer_id as usize] { return; }
399 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
400 peers.borrow_mut()[peer_id as usize] = false;
403 let peer_id = get_slice!(1)[0];
404 if !peers.borrow()[peer_id as usize] { return; }
405 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
406 Ok(res) => assert!(!res),
407 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
411 let value = slice_to_be24(get_slice!(3)) as u64;
412 let route = match get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &get_pubkey!(), None, &Vec::new(), value, 42, Arc::clone(&logger)) {
416 let mut payment_hash = PaymentHash([0; 32]);
417 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
418 let mut sha = Sha256::engine();
419 sha.input(&payment_hash.0[..]);
420 payment_hash.0 = Sha256::from_engine(sha).into_inner();
422 match channelmanager.send_payment(&route, payment_hash, &None) {
428 let value = slice_to_be24(get_slice!(3)) as u64;
429 let mut route = match get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &get_pubkey!(), None, &Vec::new(), value, 42, Arc::clone(&logger)) {
433 route.paths.push(route.paths[0].clone());
434 let mut payment_hash = PaymentHash([0; 32]);
435 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
436 let mut sha = Sha256::engine();
437 sha.input(&payment_hash.0[..]);
438 payment_hash.0 = Sha256::from_engine(sha).into_inner();
440 let mut payment_secret = PaymentSecret([0; 32]);
441 payment_secret.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
443 match channelmanager.send_payment(&route, payment_hash, &Some(payment_secret)) {
449 let peer_id = get_slice!(1)[0];
450 if !peers.borrow()[peer_id as usize] { return; }
451 let their_key = get_pubkey!();
452 let chan_value = slice_to_be24(get_slice!(3)) as u64;
453 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
454 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None).is_err() { return; }
457 let mut channels = channelmanager.list_channels();
458 let channel_id = get_slice!(1)[0] as usize;
459 if channel_id >= channels.len() { return; }
460 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
461 if channelmanager.close_channel(&channels[channel_id].channel_id).is_err() { return; }
465 channelmanager.process_pending_htlc_forwards();
466 should_forward = false;
470 for (payment, payment_secret, amt) in payments_received.drain(..) {
471 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
472 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
473 // fulfill this HTLC, but if they are, we can just take the first byte and
474 // place that anywhere in our preimage.
475 if &payment.0[1..] != &[0; 31] {
476 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
478 let mut payment_preimage = PaymentPreimage([0; 32]);
479 payment_preimage.0[0] = payment.0[0];
480 channelmanager.claim_funds(payment_preimage, &payment_secret, amt);
485 for (payment, payment_secret, _) in payments_received.drain(..) {
486 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
490 'outer_loop: for funding_generation in pending_funding_generation.drain(..) {
491 let mut tx = Transaction { version: 0, lock_time: 0, input: Vec::new(), output: vec![TxOut {
492 value: funding_generation.1, script_pubkey: funding_generation.2,
494 let funding_output = 'search_loop: loop {
495 let funding_txid = tx.txid();
496 if let None = loss_detector.txids_confirmed.get(&funding_txid) {
497 let outpoint = OutPoint { txid: funding_txid, index: 0 };
498 for chan in channelmanager.list_channels() {
499 if chan.channel_id == outpoint.to_channel_id() {
501 continue 'search_loop;
507 if tx.version > 0xff {
508 continue 'outer_loop;
511 channelmanager.funding_transaction_generated(&funding_generation.0, funding_output.clone());
512 pending_funding_signatures.insert(funding_output, tx);
516 if !pending_funding_relay.is_empty() {
517 loss_detector.connect_block(&pending_funding_relay[..]);
519 loss_detector.connect_block(&[]);
522 for tx in pending_funding_relay.drain(..) {
523 loss_detector.funding_txn.push(tx);
527 let txlen = slice_to_be16(get_slice!(2));
529 loss_detector.connect_block(&[]);
531 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
532 if let Ok(tx) = txres {
533 let mut output_val = 0;
534 for out in tx.output.iter() {
535 if out.value > 21_000_000_0000_0000 { return; }
536 output_val += out.value;
537 if output_val > 21_000_000_0000_0000 { return; }
539 loss_detector.connect_block(&[tx]);
546 loss_detector.disconnect_block();
549 let mut channels = channelmanager.list_channels();
550 let channel_id = get_slice!(1)[0] as usize;
551 if channel_id >= channels.len() { return; }
552 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
553 channelmanager.force_close_channel(&channels[channel_id].channel_id);
558 loss_detector.handler.process_events();
559 for event in loss_detector.manager.get_and_clear_pending_events() {
561 Event::FundingGenerationReady { temporary_channel_id, channel_value_satoshis, output_script, .. } => {
562 pending_funding_generation.push((temporary_channel_id, channel_value_satoshis, output_script));
564 Event::FundingBroadcastSafe { funding_txo, .. } => {
565 pending_funding_relay.push(pending_funding_signatures.remove(&funding_txo).unwrap());
567 Event::PaymentReceived { payment_hash, payment_secret, amt } => {
568 //TODO: enhance by fetching random amounts from fuzz input?
569 payments_received.push((payment_hash, payment_secret, amt));
571 Event::PaymentSent {..} => {},
572 Event::PaymentFailed {..} => {},
573 Event::PendingHTLCsForwardable {..} => {
574 should_forward = true;
576 Event::SpendableOutputs {..} => {},
582 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
583 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
584 do_test(data, &logger);
588 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
589 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
590 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
595 use lightning::util::logger::{Logger, Record};
596 use std::collections::HashMap;
597 use std::sync::{Arc, Mutex};
599 struct TrackingLogger {
600 /// (module, message) -> count
601 pub lines: Mutex<HashMap<(String, String), usize>>,
603 impl Logger for TrackingLogger {
604 fn log(&self, record: &Record) {
605 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
606 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
611 fn test_no_existing_test_breakage() {
612 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
613 // changes (such as requesting feerate info in a new place), we run a pretty full
614 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
615 // so this should be updated pretty liberally, but at least we'll know when changes occur.
616 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
618 // What each byte represents is broken down below, and then everything is concatenated into
619 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
621 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
622 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
623 // of the Lightning message
624 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
625 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
627 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
629 // 0000000000000000000000000000000000000000000000000000000000000000 - our network key
630 // 00000000 - fee_proportional_millionths
631 // 01 - announce_channels_publicly
633 // 00 - new outbound connection with id 0
634 // 030000000000000000000000000000000000000000000000000000000000000000 - peer's pubkey
635 // 030032 - inbound read from peer id 0 of len 50
636 // 00 030000000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - noise act two (0||pubkey||mac)
638 // 030012 - inbound read from peer id 0 of len 18
639 // 000a 03000000000000000000000000000000 - message header indicating message length 10
640 // 03001a - inbound read from peer id 0 of len 26
641 // 0010 00022000 00022000 03000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
643 // 030012 - inbound read from peer id 0 of len 18
644 // 0141 03000000000000000000000000000000 - message header indicating message length 321
645 // 0300fe - inbound read from peer id 0 of len 254
646 // 0020 7500000000000000000000000000000000000000000000000000000000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000222 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
647 // 030053 - inbound read from peer id 0 of len 83
648 // 030000000000000000000000000000000000000000000000000000000000000005 030000000000000000000000000000000000000000000000000000000000000000 01 03000000000000000000000000000000 - rest of open_channel and mac
650 // 00fd00fd00fd - Three feerate requests (all returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
651 // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
653 // 030012 - inbound read from peer id 0 of len 18
654 // 0084 03000000000000000000000000000000 - message header indicating message length 132
655 // 030094 - inbound read from peer id 0 of len 148
656 // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 20000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 03000000000000000000000000000000 - funding_created and mac
657 // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
659 // 0c005e - connect a block with one transaction of len 94
660 // 020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
661 // 0c0000 - connect a block with no transactions
662 // 0c0000 - connect a block with no transactions
663 // 0c0000 - connect a block with no transactions
664 // 0c0000 - connect a block with no transactions
665 // 0c0000 - connect a block with no transactions
666 // 0c0000 - connect a block with no transactions
667 // 0c0000 - connect a block with no transactions
668 // 0c0000 - connect a block with no transactions
669 // 0c0000 - connect a block with no transactions
670 // 0c0000 - connect a block with no transactions
671 // 0c0000 - connect a block with no transactions
672 // 0c0000 - connect a block with no transactions
673 // - by now client should have sent a funding_locked (CHECK 3: SendFundingLocked to 03000000 for chan 3d000000)
675 // 030012 - inbound read from peer id 0 of len 18
676 // 0043 03000000000000000000000000000000 - message header indicating message length 67
677 // 030053 - inbound read from peer id 0 of len 83
678 // 0024 3d00000000000000000000000000000000000000000000000000000000000000 030100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_locked and mac
680 // 01 - new inbound connection with id 1
681 // 030132 - inbound read from peer id 1 of len 50
682 // 0003000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000 - inbound noise act 1
683 // 030142 - inbound read from peer id 1 of len 66
684 // 000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000 - inbound noise act 3
686 // 030112 - inbound read from peer id 1 of len 18
687 // 000a 01000000000000000000000000000000 - message header indicating message length 10
688 // 03011a - inbound read from peer id 1 of len 26
689 // 0010 00022000 00022000 01000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
691 // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat
692 // 00fd00fd - Two feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
694 // 030112 - inbound read from peer id 1 of len 18
695 // 0110 01000000000000000000000000000000 - message header indicating message length 272
696 // 0301ff - inbound read from peer id 1 of len 255
697 // 0021 0000000000000000000000000000000000000000000000000000000000000e02 000000000000001a 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 03000000000000000000000000000000 - beginning of accept_channel
698 // 030121 - inbound read from peer id 1 of len 33
699 // 0000000000000000000000000000000000 01000000000000000000000000000000 - rest of accept_channel and mac
701 // 0a - create the funding transaction (client should send funding_created now)
703 // 030112 - inbound read from peer id 1 of len 18
704 // 0062 01000000000000000000000000000000 - message header indicating message length 98
705 // 030172 - inbound read from peer id 1 of len 114
706 // 0023 3900000000000000000000000000000000000000000000000000000000000000 f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 01000000000000000000000000000000 - funding_signed message and mac
708 // 0b - broadcast funding transaction
709 // - by now client should have sent a funding_locked (CHECK 4: SendFundingLocked to 03020000 for chan 3f000000)
711 // 030112 - inbound read from peer id 1 of len 18
712 // 0043 01000000000000000000000000000000 - message header indicating message length 67
713 // 030153 - inbound read from peer id 1 of len 83
714 // 0024 3900000000000000000000000000000000000000000000000000000000000000 030100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_locked and mac
716 // 030012 - inbound read from peer id 0 of len 18
717 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
718 // 0300ff - inbound read from peer id 0 of len 255
719 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e80000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
720 // 0300ff - inbound read from peer id 0 of len 255
721 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
722 // 0300ff - inbound read from peer id 0 of len 255
723 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
724 // 0300ff - inbound read from peer id 0 of len 255
725 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
726 // 0300ff - inbound read from peer id 0 of len 255
727 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
728 // 0300c1 - inbound read from peer id 0 of len 193
729 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
731 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
733 // 030012 - inbound read from peer id 0 of len 18
734 // 0064 03000000000000000000000000000000 - message header indicating message length 100
735 // 030074 - inbound read from peer id 0 of len 116
736 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 31000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
737 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
739 // 030012 - inbound read from peer id 0 of len 18
740 // 0063 03000000000000000000000000000000 - message header indicating message length 99
741 // 030073 - inbound read from peer id 0 of len 115
742 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 030200000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
744 // 07 - process the now-pending HTLC forward
745 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: SendHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
747 // - we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
748 // 030112 - inbound read from peer id 1 of len 18
749 // 0064 01000000000000000000000000000000 - message header indicating message length 100
750 // 030174 - inbound read from peer id 1 of len 116
751 // 0084 3900000000000000000000000000000000000000000000000000000000000000 f1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
753 // 030112 - inbound read from peer id 1 of len 18
754 // 0063 01000000000000000000000000000000 - message header indicating message length 99
755 // 030173 - inbound read from peer id 1 of len 115
756 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 030200000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
758 // 030112 - inbound read from peer id 1 of len 18
759 // 004a 01000000000000000000000000000000 - message header indicating message length 74
760 // 03015a - inbound read from peer id 1 of len 90
761 // 0082 3900000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000 - update_fulfill_htlc and mac
762 // - client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
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 3900000000000000000000000000000000000000000000000000000000000000 fd000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 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 3900000000000000000000000000000000000000000000000000000000000000 0100000000000000000000000000000000000000000000000000000000000000 030300000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
774 // - before responding to the commitment_signed generated above, send a new HTLC
775 // 030012 - inbound read from peer id 0 of len 18
776 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
777 // 0300ff - inbound read from peer id 0 of len 255
778 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e80000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
779 // 0300ff - inbound read from peer id 0 of len 255
780 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
781 // 0300ff - inbound read from peer id 0 of len 255
782 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
783 // 0300ff - inbound read from peer id 0 of len 255
784 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
785 // 0300ff - inbound read from peer id 0 of len 255
786 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
787 // 0300c1 - inbound read from peer id 0 of len 193
788 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
790 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
792 // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
793 // 030012 - inbound read from peer id 0 of len 18
794 // 0063 03000000000000000000000000000000 - message header indicating message length 99
795 // 030073 - inbound read from peer id 0 of len 115
796 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0100000000000000000000000000000000000000000000000000000000000000 030300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
797 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
799 // 030012 - inbound read from peer id 0 of len 18
800 // 0064 03000000000000000000000000000000 - message header indicating message length 100
801 // 030074 - inbound read from peer id 0 of len 116
802 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 c2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
804 // 030012 - inbound read from peer id 0 of len 18
805 // 0063 03000000000000000000000000000000 - message header indicating message length 99
806 // 030073 - inbound read from peer id 0 of len 115
807 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0200000000000000000000000000000000000000000000000000000000000000 030400000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
809 // 07 - process the now-pending HTLC forward
810 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
811 // - we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
813 // 030112 - inbound read from peer id 1 of len 18
814 // 0064 01000000000000000000000000000000 - message header indicating message length 100
815 // 030174 - inbound read from peer id 1 of len 116
816 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
818 // 030112 - inbound read from peer id 1 of len 18
819 // 0063 01000000000000000000000000000000 - message header indicating message length 99
820 // 030173 - inbound read from peer id 1 of len 115
821 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0200000000000000000000000000000000000000000000000000000000000000 030400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
823 // 030112 - inbound read from peer id 1 of len 18
824 // 002c 01000000000000000000000000000000 - message header indicating message length 44
825 // 03013c - inbound read from peer id 1 of len 60
826 // 0083 3900000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000 - update_fail_htlc and mac
828 // 030112 - inbound read from peer id 1 of len 18
829 // 0064 01000000000000000000000000000000 - message header indicating message length 100
830 // 030174 - inbound read from peer id 1 of len 116
831 // 0084 3900000000000000000000000000000000000000000000000000000000000000 fb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 0000 01000000000000000000000000000000 - commitment_signed and mac
833 // 030112 - inbound read from peer id 1 of len 18
834 // 0063 01000000000000000000000000000000 - message header indicating message length 99
835 // 030173 - inbound read from peer id 1 of len 115
836 // 0085 3900000000000000000000000000000000000000000000000000000000000000 0300000000000000000000000000000000000000000000000000000000000000 030500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
838 // 07 - process the now-pending HTLC forward
839 // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
840 // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
842 // 030012 - inbound read from peer id 0 of len 18
843 // 0063 03000000000000000000000000000000 - message header indicating message length 99
844 // 030073 - inbound read from peer id 0 of len 115
845 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0300000000000000000000000000000000000000000000000000000000000000 030500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
847 // 030012 - inbound read from peer id 0 of len 18
848 // 0064 03000000000000000000000000000000 - message header indicating message length 100
849 // 030074 - inbound read from peer id 0 of len 116
850 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 33000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0000 03000000000000000000000000000000 - commitment_signed and mac
851 // - client should now respond with revoke_and_ack (CHECK 5 duplicate)
853 // 030012 - inbound read from peer id 0 of len 18
854 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
855 // 0300ff - inbound read from peer id 0 of len 255
856 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e0000010000000000000003e8000000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
857 // 0300ff - inbound read from peer id 0 of len 255
858 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
859 // 0300ff - inbound read from peer id 0 of len 255
860 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
861 // 0300ff - inbound read from peer id 0 of len 255
862 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
863 // 0300ff - inbound read from peer id 0 of len 255
864 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
865 // 0300c1 - inbound read from peer id 0 of len 193
866 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
868 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
870 // 030012 - inbound read from peer id 0 of len 18
871 // 00a4 03000000000000000000000000000000 - message header indicating message length 164
872 // 0300b4 - inbound read from peer id 0 of len 180
873 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 7b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 0001 c8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007f00000000000000 03000000000000000000000000000000 - commitment_signed and mac
874 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
876 // 030012 - inbound read from peer id 0 of len 18
877 // 0063 03000000000000000000000000000000 - message header indicating message length 99
878 // 030073 - inbound read from peer id 0 of len 115
879 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0400000000000000000000000000000000000000000000000000000000000000 030600000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
881 // 07 - process the now-pending HTLC forward
882 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
884 // 0c007d - connect a block with one transaction of len 125
885 // 02000000013900000000000000000000000000000000000000000000000000000000000000000000000000000080020001000000000000220020bb000000000000000000000000000000000000000000000000000000000000006cc10000000000001600142b0000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
886 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
887 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
888 // 0c005e - connect a block with one transaction of len 94
889 // 0200000001a100000000000000000000000000000000000000000000000000000000000000000000000000000000014f00000000000000220020f60000000000000000000000000000000000000000000000000000000000000000000000 - the HTLC timeout transaction
890 // 0c0000 - connect a block with no transactions
891 // 0c0000 - connect a block with no transactions
892 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
893 // 0c0000 - connect a block with no transactions
894 // 0c0000 - connect a block with no transactions
895 // 0c0000 - connect a block with no transactions
897 // 07 - process the now-pending HTLC forward
898 // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
900 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
901 super::do_test(&::hex::decode("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&(Arc::clone(&logger) as Arc<dyn Logger>));
903 let log_entries = logger.lines.lock().unwrap();
904 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
905 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
906 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
907 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
908 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
909 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 with 0 adds, 0 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 6
910 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
911 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
912 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
913 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