1 // This file is Copyright its original authors, visible in version control
4 // This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
5 // or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
7 // You may not use this file except in accordance with one or both of these
10 //! Test that no series of bytes received over the wire/connections created/payments sent can
11 //! result in a crash. We do this by standing up a node and then reading bytes from input to denote
12 //! actions such as creating new inbound/outbound connections, bytes to be read from a connection,
13 //! or payments to send/ways to handle events generated.
14 //! This test has been very useful, though due to its complexity good starting inputs are critical.
16 use bitcoin::blockdata::block::BlockHeader;
17 use bitcoin::blockdata::transaction::{Transaction, TxOut};
18 use bitcoin::blockdata::script::{Builder, Script};
19 use bitcoin::blockdata::opcodes;
20 use bitcoin::consensus::encode::deserialize;
21 use bitcoin::network::constants::Network;
22 use bitcoin::blockdata::constants::genesis_block;
24 use bitcoin::hashes::Hash as TraitImport;
25 use bitcoin::hashes::HashEngine as TraitImportEngine;
26 use bitcoin::hashes::sha256::Hash as Sha256;
27 use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash};
30 use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
31 use lightning::chain::chainmonitor;
32 use lightning::chain::transaction::OutPoint;
33 use lightning::chain::keysinterface::{InMemorySigner, KeysInterface};
34 use lightning::ln::channelmanager::{ChainParameters, ChannelManager, PaymentHash, PaymentPreimage, PaymentSecret};
35 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor};
36 use lightning::ln::msgs::DecodeError;
37 use lightning::routing::router::get_route;
38 use lightning::routing::network_graph::NetGraphMsgHandler;
39 use lightning::util::config::UserConfig;
40 use lightning::util::events::{EventsProvider,Event};
41 use lightning::util::enforcing_trait_impls::EnforcingSigner;
42 use lightning::util::logger::Logger;
43 use lightning::util::ser::Readable;
45 use utils::test_logger;
46 use utils::test_persister::TestPersister;
48 use bitcoin::secp256k1::key::{PublicKey,SecretKey};
49 use bitcoin::secp256k1::Secp256k1;
51 use std::cell::RefCell;
52 use std::collections::{HashMap, hash_map};
55 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
58 pub fn slice_to_be16(v: &[u8]) -> u16 {
59 ((v[0] as u16) << 8*1) |
60 ((v[1] as u16) << 8*0)
64 pub fn slice_to_be24(v: &[u8]) -> u32 {
65 ((v[0] as u32) << 8*2) |
66 ((v[1] as u32) << 8*1) |
67 ((v[2] as u32) << 8*0)
71 pub fn slice_to_be32(v: &[u8]) -> u32 {
72 ((v[0] as u32) << 8*3) |
73 ((v[1] as u32) << 8*2) |
74 ((v[2] as u32) << 8*1) |
75 ((v[3] as u32) << 8*0)
79 pub fn be64_to_array(u: u64) -> [u8; 8] {
81 v[0] = ((u >> 8*7) & 0xff) as u8;
82 v[1] = ((u >> 8*6) & 0xff) as u8;
83 v[2] = ((u >> 8*5) & 0xff) as u8;
84 v[3] = ((u >> 8*4) & 0xff) as u8;
85 v[4] = ((u >> 8*3) & 0xff) as u8;
86 v[5] = ((u >> 8*2) & 0xff) as u8;
87 v[6] = ((u >> 8*1) & 0xff) as u8;
88 v[7] = ((u >> 8*0) & 0xff) as u8;
94 read_pos: AtomicUsize,
97 fn get_slice(&self, len: usize) -> Option<&[u8]> {
98 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
99 if self.data.len() < old_pos + len {
102 Some(&self.data[old_pos..old_pos + len])
106 struct FuzzEstimator {
107 input: Arc<InputData>,
109 impl FeeEstimator for FuzzEstimator {
110 fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
111 //TODO: We should actually be testing at least much more than 64k...
112 match self.input.get_slice(2) {
113 Some(slice) => cmp::max(slice_to_be16(slice) as u32, 253),
119 struct TestBroadcaster {}
120 impl BroadcasterInterface for TestBroadcaster {
121 fn broadcast_transaction(&self, _tx: &Transaction) {}
127 peers_connected: &'a RefCell<[bool; 256]>,
129 impl<'a> SocketDescriptor for Peer<'a> {
130 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
133 fn disconnect_socket(&mut self) {
134 assert!(self.peers_connected.borrow()[self.id as usize]);
135 self.peers_connected.borrow_mut()[self.id as usize] = false;
138 impl<'a> PartialEq for Peer<'a> {
139 fn eq(&self, other: &Self) -> bool {
143 impl<'a> Eq for Peer<'a> {}
144 impl<'a> std::hash::Hash for Peer<'a> {
145 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
150 type ChannelMan = ChannelManager<
152 Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
153 Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>;
154 type PeerMan<'a> = PeerManager<Peer<'a>, Arc<ChannelMan>, Arc<NetGraphMsgHandler<Arc<dyn chain::Access>, Arc<dyn Logger>>>, Arc<dyn Logger>>;
156 struct MoneyLossDetector<'a> {
157 manager: Arc<ChannelMan>,
158 monitor: Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
159 handler: PeerMan<'a>,
161 peers: &'a RefCell<[bool; 256]>,
162 funding_txn: Vec<Transaction>,
163 txids_confirmed: HashMap<Txid, usize>,
164 header_hashes: Vec<BlockHash>,
167 blocks_connected: u32,
169 impl<'a> MoneyLossDetector<'a> {
170 pub fn new(peers: &'a RefCell<[bool; 256]>,
171 manager: Arc<ChannelMan>,
172 monitor: Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
173 handler: PeerMan<'a>) -> Self {
180 funding_txn: Vec::new(),
181 txids_confirmed: HashMap::new(),
182 header_hashes: vec![Default::default()],
189 fn connect_block(&mut self, all_txn: &[Transaction]) {
190 let mut txdata = Vec::with_capacity(all_txn.len());
191 for (idx, tx) in all_txn.iter().enumerate() {
192 let txid = tx.txid();
193 match self.txids_confirmed.entry(txid) {
194 hash_map::Entry::Vacant(e) => {
195 e.insert(self.height);
196 txdata.push((idx + 1, tx));
202 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: self.blocks_connected, bits: 42, nonce: 42 };
204 self.blocks_connected += 1;
205 self.manager.block_connected(&header, &txdata, self.height as u32);
206 (*self.monitor).block_connected(&header, &txdata, self.height as u32);
207 if self.header_hashes.len() > self.height {
208 self.header_hashes[self.height] = header.block_hash();
210 assert_eq!(self.header_hashes.len(), self.height);
211 self.header_hashes.push(header.block_hash());
213 self.max_height = cmp::max(self.height, self.max_height);
216 fn disconnect_block(&mut self) {
217 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
218 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height], merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
219 self.manager.block_disconnected(&header);
220 self.monitor.block_disconnected(&header, self.height as u32);
222 let removal_height = self.height;
223 self.txids_confirmed.retain(|_, height| {
224 removal_height != *height
230 impl<'a> Drop for MoneyLossDetector<'a> {
232 if !::std::thread::panicking() {
233 // Disconnect all peers
234 for (idx, peer) in self.peers.borrow().iter().enumerate() {
236 self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
240 // Force all channels onto the chain (and time out claim txn)
241 self.manager.force_close_all_channels();
247 node_secret: SecretKey,
250 impl KeysInterface for KeyProvider {
251 type Signer = EnforcingSigner;
253 fn get_node_secret(&self) -> SecretKey {
254 self.node_secret.clone()
257 fn get_destination_script(&self) -> Script {
258 let secp_ctx = Secp256k1::signing_only();
259 let channel_monitor_claim_key = SecretKey::from_slice(&hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
260 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
261 Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
264 fn get_shutdown_pubkey(&self) -> PublicKey {
265 let secp_ctx = Secp256k1::signing_only();
266 PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]).unwrap())
269 fn get_channel_signer(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingSigner {
270 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
271 let secp_ctx = Secp256k1::signing_only();
272 EnforcingSigner::new(if inbound {
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, 1, 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, 2, 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, 3, 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, 4, ctr]).unwrap(),
279 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(),
280 [0, 0, 0, 0, 0, 0, 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],
281 channel_value_satoshis,
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, 7, 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, 8, 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, 9, 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, 10, ctr]).unwrap(),
291 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(),
292 [0, 0, 0, 0, 0, 0, 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],
293 channel_value_satoshis,
299 fn get_secure_random_bytes(&self) -> [u8; 32] {
300 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
301 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
302 (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]
305 fn read_chan_signer(&self, data: &[u8]) -> Result<EnforcingSigner, DecodeError> {
306 EnforcingSigner::read(&mut std::io::Cursor::new(data))
311 pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
312 let input = Arc::new(InputData {
314 read_pos: AtomicUsize::new(0),
316 let fee_est = Arc::new(FuzzEstimator {
317 input: input.clone(),
320 macro_rules! get_slice {
322 match input.get_slice($len as usize) {
323 Some(slice) => slice,
329 macro_rules! get_pubkey {
331 match PublicKey::from_slice(get_slice!(33)) {
338 let our_network_key = match SecretKey::from_slice(get_slice!(32)) {
343 let broadcast = Arc::new(TestBroadcaster{});
344 let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(), Arc::new(TestPersister{})));
346 let keys_manager = Arc::new(KeyProvider { node_secret: our_network_key.clone(), counter: AtomicU64::new(0) });
347 let mut config = UserConfig::default();
348 config.channel_options.fee_proportional_millionths = slice_to_be32(get_slice!(4));
349 config.channel_options.announced_channel = get_slice!(1)[0] != 0;
350 config.peer_channel_config_limits.min_dust_limit_satoshis = 0;
351 let network = Network::Bitcoin;
352 let genesis_hash = genesis_block(network).block_hash();
353 let params = ChainParameters {
355 latest_hash: genesis_hash,
358 let channelmanager = Arc::new(ChannelManager::new(fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, params));
359 let our_id = PublicKey::from_secret_key(&Secp256k1::signing_only(), &keys_manager.get_node_secret());
360 let net_graph_msg_handler = Arc::new(NetGraphMsgHandler::new(genesis_hash, None, Arc::clone(&logger)));
362 let peers = RefCell::new([false; 256]);
363 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
364 chan_handler: channelmanager.clone(),
365 route_handler: net_graph_msg_handler.clone(),
366 }, 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)));
368 let mut should_forward = false;
369 let mut payments_received: Vec<(PaymentHash, Option<PaymentSecret>, u64)> = Vec::new();
370 let mut payments_sent = 0;
371 let mut pending_funding_generation: Vec<([u8; 32], u64, Script)> = Vec::new();
372 let mut pending_funding_signatures = HashMap::new();
373 let mut pending_funding_relay = Vec::new();
376 match get_slice!(1)[0] {
380 if !peers.borrow()[i-1] {
385 if new_id == 0 { return; }
386 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
387 peers.borrow_mut()[new_id - 1] = true;
392 if !peers.borrow()[i-1] {
397 if new_id == 0 { return; }
398 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}).unwrap();
399 peers.borrow_mut()[new_id - 1] = true;
402 let peer_id = get_slice!(1)[0];
403 if !peers.borrow()[peer_id as usize] { return; }
404 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
405 peers.borrow_mut()[peer_id as usize] = false;
408 let peer_id = get_slice!(1)[0];
409 if !peers.borrow()[peer_id as usize] { return; }
410 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
411 Ok(res) => assert!(!res),
412 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
416 let value = slice_to_be24(get_slice!(3)) as u64;
417 let route = match get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &get_pubkey!(), None, None, &Vec::new(), value, 42, Arc::clone(&logger)) {
421 let mut payment_hash = PaymentHash([0; 32]);
422 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
423 let mut sha = Sha256::engine();
424 sha.input(&payment_hash.0[..]);
425 payment_hash.0 = Sha256::from_engine(sha).into_inner();
427 match channelmanager.send_payment(&route, payment_hash, &None) {
433 let value = slice_to_be24(get_slice!(3)) as u64;
434 let mut route = match get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &get_pubkey!(), None, None, &Vec::new(), value, 42, Arc::clone(&logger)) {
438 route.paths.push(route.paths[0].clone());
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 let mut payment_secret = PaymentSecret([0; 32]);
446 payment_secret.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
448 match channelmanager.send_payment(&route, payment_hash, &Some(payment_secret)) {
454 let peer_id = get_slice!(1)[0];
455 if !peers.borrow()[peer_id as usize] { return; }
456 let their_key = get_pubkey!();
457 let chan_value = slice_to_be24(get_slice!(3)) as u64;
458 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
459 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None).is_err() { return; }
462 let mut channels = channelmanager.list_channels();
463 let channel_id = get_slice!(1)[0] as usize;
464 if channel_id >= channels.len() { return; }
465 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
466 if channelmanager.close_channel(&channels[channel_id].channel_id).is_err() { return; }
470 channelmanager.process_pending_htlc_forwards();
471 should_forward = false;
475 for (payment, payment_secret, amt) in payments_received.drain(..) {
476 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
477 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
478 // fulfill this HTLC, but if they are, we can just take the first byte and
479 // place that anywhere in our preimage.
480 if &payment.0[1..] != &[0; 31] {
481 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
483 let mut payment_preimage = PaymentPreimage([0; 32]);
484 payment_preimage.0[0] = payment.0[0];
485 channelmanager.claim_funds(payment_preimage, &payment_secret, amt);
490 for (payment, payment_secret, _) in payments_received.drain(..) {
491 channelmanager.fail_htlc_backwards(&payment, &payment_secret);
495 'outer_loop: for funding_generation in pending_funding_generation.drain(..) {
496 let mut tx = Transaction { version: 0, lock_time: 0, input: Vec::new(), output: vec![TxOut {
497 value: funding_generation.1, script_pubkey: funding_generation.2,
499 let funding_output = 'search_loop: loop {
500 let funding_txid = tx.txid();
501 if let None = loss_detector.txids_confirmed.get(&funding_txid) {
502 let outpoint = OutPoint { txid: funding_txid, index: 0 };
503 for chan in channelmanager.list_channels() {
504 if chan.channel_id == outpoint.to_channel_id() {
506 continue 'search_loop;
512 if tx.version > 0xff {
513 continue 'outer_loop;
516 channelmanager.funding_transaction_generated(&funding_generation.0, funding_output.clone());
517 pending_funding_signatures.insert(funding_output, tx);
521 if !pending_funding_relay.is_empty() {
522 loss_detector.connect_block(&pending_funding_relay[..]);
524 loss_detector.connect_block(&[]);
527 for tx in pending_funding_relay.drain(..) {
528 loss_detector.funding_txn.push(tx);
532 let txlen = slice_to_be16(get_slice!(2));
534 loss_detector.connect_block(&[]);
536 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
537 if let Ok(tx) = txres {
538 let mut output_val = 0;
539 for out in tx.output.iter() {
540 if out.value > 21_000_000_0000_0000 { return; }
541 output_val += out.value;
542 if output_val > 21_000_000_0000_0000 { return; }
544 loss_detector.connect_block(&[tx]);
551 loss_detector.disconnect_block();
554 let mut channels = channelmanager.list_channels();
555 let channel_id = get_slice!(1)[0] as usize;
556 if channel_id >= channels.len() { return; }
557 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
558 channelmanager.force_close_channel(&channels[channel_id].channel_id).unwrap();
563 loss_detector.handler.process_events();
564 for event in loss_detector.manager.get_and_clear_pending_events() {
566 Event::FundingGenerationReady { temporary_channel_id, channel_value_satoshis, output_script, .. } => {
567 pending_funding_generation.push((temporary_channel_id, channel_value_satoshis, output_script));
569 Event::FundingBroadcastSafe { funding_txo, .. } => {
570 pending_funding_relay.push(pending_funding_signatures.remove(&funding_txo).unwrap());
572 Event::PaymentReceived { payment_hash, payment_secret, amt } => {
573 //TODO: enhance by fetching random amounts from fuzz input?
574 payments_received.push((payment_hash, payment_secret, amt));
576 Event::PaymentSent {..} => {},
577 Event::PaymentFailed {..} => {},
578 Event::PendingHTLCsForwardable {..} => {
579 should_forward = true;
581 Event::SpendableOutputs {..} => {},
587 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
588 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
589 do_test(data, &logger);
593 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
594 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
595 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
600 use lightning::util::logger::{Logger, Record};
601 use std::collections::HashMap;
602 use std::sync::{Arc, Mutex};
604 struct TrackingLogger {
605 /// (module, message) -> count
606 pub lines: Mutex<HashMap<(String, String), usize>>,
608 impl Logger for TrackingLogger {
609 fn log(&self, record: &Record) {
610 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
611 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
616 fn test_no_existing_test_breakage() {
617 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
618 // changes (such as requesting feerate info in a new place), we run a pretty full
619 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
620 // so this should be updated pretty liberally, but at least we'll know when changes occur.
621 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
623 // What each byte represents is broken down below, and then everything is concatenated into
624 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
626 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
627 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
628 // of the Lightning message
629 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
630 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
632 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
634 // 0100000000000000000000000000000000000000000000000000000000000000 - our network key
635 // 00000000 - fee_proportional_millionths
636 // 01 - announce_channels_publicly
638 // 00 - new outbound connection with id 0
639 // 030000000000000000000000000000000000000000000000000000000000000002 - peer's pubkey
640 // 030032 - inbound read from peer id 0 of len 50
641 // 00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000 - noise act two (0||pubkey||mac)
643 // 030012 - inbound read from peer id 0 of len 18
644 // 000a 03000000000000000000000000000000 - message header indicating message length 10
645 // 03001a - inbound read from peer id 0 of len 26
646 // 0010 00022000 00022000 03000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
648 // 030012 - inbound read from peer id 0 of len 18
649 // 0141 03000000000000000000000000000000 - message header indicating message length 321
650 // 0300fe - inbound read from peer id 0 of len 254
651 // 0020 7500000000000000000000000000000000000000000000000000000000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000222 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
652 // 030053 - inbound read from peer id 0 of len 83
653 // 030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 03000000000000000000000000000000 - rest of open_channel and mac
655 // 00fd00fd00fd - Three feerate requests (all returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
656 // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
658 // 030012 - inbound read from peer id 0 of len 18
659 // 0084 03000000000000000000000000000000 - message header indicating message length 132
660 // 030094 - inbound read from peer id 0 of len 148
661 // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 00000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_created and mac
662 // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
664 // 0c005e - connect a block with one transaction of len 94
665 // 020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
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 // 0c0000 - connect a block with no transactions
674 // 0c0000 - connect a block with no transactions
675 // 0c0000 - connect a block with no transactions
676 // 0c0000 - connect a block with no transactions
677 // 0c0000 - connect a block with no transactions
678 // - by now client should have sent a funding_locked (CHECK 3: SendFundingLocked to 03000000 for chan 3d000000)
680 // 030012 - inbound read from peer id 0 of len 18
681 // 0043 03000000000000000000000000000000 - message header indicating message length 67
682 // 030053 - inbound read from peer id 0 of len 83
683 // 0024 3d00000000000000000000000000000000000000000000000000000000000000 020800000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_locked and mac
685 // 01 - new inbound connection with id 1
686 // 030132 - inbound read from peer id 1 of len 50
687 // 0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000 - inbound noise act 1
688 // 030142 - inbound read from peer id 1 of len 66
689 // 000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000 - inbound noise act 3
691 // 030112 - inbound read from peer id 1 of len 18
692 // 000a 01000000000000000000000000000000 - message header indicating message length 10
693 // 03011a - inbound read from peer id 1 of len 26
694 // 0010 00022000 00022000 01000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
696 // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat
697 // 00fd00fd - Two feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
699 // 030112 - inbound read from peer id 1 of len 18
700 // 0110 01000000000000000000000000000000 - message header indicating message length 272
701 // 0301ff - inbound read from peer id 1 of len 255
702 // 0021 0000000000000000000000000000000000000000000000000000000000000e05 000000000000001a 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 02660000000000000000000000000000 - beginning of accept_channel
703 // 030121 - inbound read from peer id 1 of len 33
704 // 0000000000000000000000000000000000 01000000000000000000000000000000 - rest of accept_channel and mac
706 // 0a - create the funding transaction (client should send funding_created now)
708 // 030112 - inbound read from peer id 1 of len 18
709 // 0062 01000000000000000000000000000000 - message header indicating message length 98
710 // 030172 - inbound read from peer id 1 of len 114
711 // 0023 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_signed message and mac
713 // 0b - broadcast funding transaction
714 // - by now client should have sent a funding_locked (CHECK 4: SendFundingLocked to 03020000 for chan 3f000000)
716 // 030112 - inbound read from peer id 1 of len 18
717 // 0043 01000000000000000000000000000000 - message header indicating message length 67
718 // 030153 - inbound read from peer id 1 of len 83
719 // 0024 3a00000000000000000000000000000000000000000000000000000000000000 026700000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_locked and mac
721 // 030012 - inbound read from peer id 0 of len 18
722 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
723 // 0300ff - inbound read from peer id 0 of len 255
724 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e80000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
725 // 0300ff - inbound read from peer id 0 of len 255
726 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
727 // 0300ff - inbound read from peer id 0 of len 255
728 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
729 // 0300ff - inbound read from peer id 0 of len 255
730 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
731 // 0300ff - inbound read from peer id 0 of len 255
732 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
733 // 0300c1 - inbound read from peer id 0 of len 193
734 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
736 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
738 // 030012 - inbound read from peer id 0 of len 18
739 // 0064 03000000000000000000000000000000 - message header indicating message length 100
740 // 030074 - inbound read from peer id 0 of len 116
741 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000300100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
742 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
744 // 030012 - inbound read from peer id 0 of len 18
745 // 0063 03000000000000000000000000000000 - message header indicating message length 99
746 // 030073 - inbound read from peer id 0 of len 115
747 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0900000000000000000000000000000000000000000000000000000000000000 020b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
749 // 07 - process the now-pending HTLC forward
750 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: SendHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
752 // - we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
753 // 030112 - inbound read from peer id 1 of len 18
754 // 0064 01000000000000000000000000000000 - message header indicating message length 100
755 // 030174 - inbound read from peer id 1 of len 116
756 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000006a0001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
758 // 030112 - inbound read from peer id 1 of len 18
759 // 0063 01000000000000000000000000000000 - message header indicating message length 99
760 // 030173 - inbound read from peer id 1 of len 115
761 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6600000000000000000000000000000000000000000000000000000000000000 026400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
763 // 030112 - inbound read from peer id 1 of len 18
764 // 004a 01000000000000000000000000000000 - message header indicating message length 74
765 // 03015a - inbound read from peer id 1 of len 90
766 // 0082 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000 - update_fulfill_htlc and mac
767 // - client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
769 // 030112 - inbound read from peer id 1 of len 18
770 // 0064 01000000000000000000000000000000 - message header indicating message length 100
771 // 030174 - inbound read from peer id 1 of len 116
772 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000100001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
774 // 030112 - inbound read from peer id 1 of len 18
775 // 0063 01000000000000000000000000000000 - message header indicating message length 99
776 // 030173 - inbound read from peer id 1 of len 115
777 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6700000000000000000000000000000000000000000000000000000000000000 026500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
779 // - before responding to the commitment_signed generated above, send a new HTLC
780 // 030012 - inbound read from peer id 0 of len 18
781 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
782 // 0300ff - inbound read from peer id 0 of len 255
783 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e80000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
784 // 0300ff - inbound read from peer id 0 of len 255
785 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
786 // 0300ff - inbound read from peer id 0 of len 255
787 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
788 // 0300ff - inbound read from peer id 0 of len 255
789 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
790 // 0300ff - inbound read from peer id 0 of len 255
791 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
792 // 0300c1 - inbound read from peer id 0 of len 193
793 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
795 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
797 // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
798 // 030012 - inbound read from peer id 0 of len 18
799 // 0063 03000000000000000000000000000000 - message header indicating message length 99
800 // 030073 - inbound read from peer id 0 of len 115
801 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0800000000000000000000000000000000000000000000000000000000000000 020a00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
802 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
804 // 030012 - inbound read from peer id 0 of len 18
805 // 0064 03000000000000000000000000000000 - message header indicating message length 100
806 // 030074 - inbound read from peer id 0 of len 116
807 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000c30100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
809 // 030012 - inbound read from peer id 0 of len 18
810 // 0063 03000000000000000000000000000000 - message header indicating message length 99
811 // 030073 - inbound read from peer id 0 of len 115
812 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0b00000000000000000000000000000000000000000000000000000000000000 020d00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
814 // 07 - process the now-pending HTLC forward
815 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
816 // - we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
818 // 030112 - inbound read from peer id 1 of len 18
819 // 0064 01000000000000000000000000000000 - message header indicating message length 100
820 // 030174 - inbound read from peer id 1 of len 116
821 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
823 // 030112 - inbound read from peer id 1 of len 18
824 // 0063 01000000000000000000000000000000 - message header indicating message length 99
825 // 030173 - inbound read from peer id 1 of len 115
826 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6400000000000000000000000000000000000000000000000000000000000000 027000000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
828 // 030112 - inbound read from peer id 1 of len 18
829 // 002c 01000000000000000000000000000000 - message header indicating message length 44
830 // 03013c - inbound read from peer id 1 of len 60
831 // 0083 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000 - update_fail_htlc and mac
833 // 030112 - inbound read from peer id 1 of len 18
834 // 0064 01000000000000000000000000000000 - message header indicating message length 100
835 // 030174 - inbound read from peer id 1 of len 116
836 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
838 // 030112 - inbound read from peer id 1 of len 18
839 // 0063 01000000000000000000000000000000 - message header indicating message length 99
840 // 030173 - inbound read from peer id 1 of len 115
841 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6500000000000000000000000000000000000000000000000000000000000000 027100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
843 // 07 - process the now-pending HTLC forward
844 // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
845 // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
847 // 030012 - inbound read from peer id 0 of len 18
848 // 0063 03000000000000000000000000000000 - message header indicating message length 99
849 // 030073 - inbound read from peer id 0 of len 115
850 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0a00000000000000000000000000000000000000000000000000000000000000 020c00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
852 // 030012 - inbound read from peer id 0 of len 18
853 // 0064 03000000000000000000000000000000 - message header indicating message length 100
854 // 030074 - inbound read from peer id 0 of len 116
855 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000320100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
856 // - client should now respond with revoke_and_ack (CHECK 5 duplicate)
858 // 030012 - inbound read from peer id 0 of len 18
859 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
860 // 0300ff - inbound read from peer id 0 of len 255
861 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 00000121 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e0000010000000000000003e8000000007b0000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
862 // 0300ff - inbound read from peer id 0 of len 255
863 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
864 // 0300ff - inbound read from peer id 0 of len 255
865 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
866 // 0300ff - inbound read from peer id 0 of len 255
867 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
868 // 0300ff - inbound read from peer id 0 of len 255
869 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
870 // 0300c1 - inbound read from peer id 0 of len 193
871 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 9500000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
873 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
875 // 030012 - inbound read from peer id 0 of len 18
876 // 00a4 03000000000000000000000000000000 - message header indicating message length 164
877 // 0300b4 - inbound read from peer id 0 of len 180
878 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000a60100000000000000000000000000000000000000000000000000000000000000 0001 00000000000000000000000000000000000000000000000000000000000000b40500000000000000000000000000000000000000000000000000000000000006 03000000000000000000000000000000 - commitment_signed and mac
879 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
881 // 030012 - inbound read from peer id 0 of len 18
882 // 0063 03000000000000000000000000000000 - message header indicating message length 99
883 // 030073 - inbound read from peer id 0 of len 115
884 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0d00000000000000000000000000000000000000000000000000000000000000 020f00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
886 // 07 - process the now-pending HTLC forward
887 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
889 // 0c007d - connect a block with one transaction of len 125
890 // 02000000013a0000000000000000000000000000000000000000000000000000000000000000000000000000008002000100000000000022002093000000000000000000000000000000000000000000000000000000000000006cc1000000000000160014280000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
891 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
892 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
893 // 0c005e - connect a block with one transaction of len 94
894 // 02000000018900000000000000000000000000000000000000000000000000000000000000000000000000000000014f00000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000 - the HTLC timeout transaction
895 // 0c0000 - connect a block with no transactions
896 // 0c0000 - connect a block with no transactions
897 // 00fd - A feerate request (returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
898 // 0c0000 - connect a block with no transactions
899 // 0c0000 - connect a block with no transactions
900 // 0c0000 - connect a block with no transactions
902 // 07 - process the now-pending HTLC forward
903 // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
905 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
906 super::do_test(&::hex::decode("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&(Arc::clone(&logger) as Arc<dyn Logger>));
908 let log_entries = logger.lines.lock().unwrap();
909 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendAcceptChannel event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679".to_string())), Some(&1)); // 1
910 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingSigned event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 2
911 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingLocked event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 3
912 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendFundingLocked event in peer_handler for node 030200000000000000000000000000000000000000000000000000000000000000 for channel 3a00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 4
913 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendRevokeAndACK event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&4)); // 5
914 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 with 0 adds, 0 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 6
915 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030200000000000000000000000000000000000000000000000000000000000000 with 1 adds, 0 fulfills, 0 fails for channel 3a00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 7
916 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 with 0 adds, 1 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 8
917 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 with 0 adds, 0 fulfills, 1 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&2)); // 9
918 assert_eq!(log_entries.get(&("lightning::chain::channelmonitor".to_string(), "Input spending counterparty commitment tx (0000000000000000000000000000000000000000000000000000000000000089:0) in 0000000000000000000000000000000000000000000000000000000000000074 resolves outbound HTLC with payment hash ff00000000000000000000000000000000000000000000000000000000000000 with timeout".to_string())), Some(&1)); // 10