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::{BestBlock, Confirm, Listen};
31 use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
32 use lightning::chain::chainmonitor;
33 use lightning::chain::transaction::OutPoint;
34 use lightning::chain::keysinterface::{InMemorySigner, Recipient, KeyMaterial, KeysInterface};
35 use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
36 use lightning::ln::channelmanager::{ChainParameters, ChannelManager};
37 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor,IgnoringMessageHandler};
38 use lightning::ln::msgs::DecodeError;
39 use lightning::ln::script::ShutdownScript;
40 use lightning::routing::gossip::{P2PGossipSync, NetworkGraph};
41 use lightning::routing::router::{find_route, PaymentParameters, RouteParameters};
42 use lightning::routing::scoring::FixedPenaltyScorer;
43 use lightning::util::config::UserConfig;
44 use lightning::util::errors::APIError;
45 use lightning::util::events::Event;
46 use lightning::util::enforcing_trait_impls::{EnforcingSigner, EnforcementState};
47 use lightning::util::logger::Logger;
48 use lightning::util::ser::ReadableArgs;
50 use utils::test_logger;
51 use utils::test_persister::TestPersister;
53 use bitcoin::secp256k1::{PublicKey,SecretKey};
54 use bitcoin::secp256k1::ecdh::SharedSecret;
55 use bitcoin::secp256k1::ecdsa::RecoverableSignature;
56 use bitcoin::secp256k1::Secp256k1;
58 use std::cell::RefCell;
59 use std::collections::{HashMap, hash_map};
60 use std::convert::TryInto;
62 use std::sync::{Arc, Mutex};
63 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
64 use bitcoin::bech32::u5;
67 pub fn slice_to_be16(v: &[u8]) -> u16 {
68 ((v[0] as u16) << 8*1) |
69 ((v[1] as u16) << 8*0)
73 pub fn slice_to_be24(v: &[u8]) -> u32 {
74 ((v[0] as u32) << 8*2) |
75 ((v[1] as u32) << 8*1) |
76 ((v[2] as u32) << 8*0)
80 pub fn slice_to_be32(v: &[u8]) -> u32 {
81 ((v[0] as u32) << 8*3) |
82 ((v[1] as u32) << 8*2) |
83 ((v[2] as u32) << 8*1) |
84 ((v[3] as u32) << 8*0)
88 pub fn be64_to_array(u: u64) -> [u8; 8] {
90 v[0] = ((u >> 8*7) & 0xff) as u8;
91 v[1] = ((u >> 8*6) & 0xff) as u8;
92 v[2] = ((u >> 8*5) & 0xff) as u8;
93 v[3] = ((u >> 8*4) & 0xff) as u8;
94 v[4] = ((u >> 8*3) & 0xff) as u8;
95 v[5] = ((u >> 8*2) & 0xff) as u8;
96 v[6] = ((u >> 8*1) & 0xff) as u8;
97 v[7] = ((u >> 8*0) & 0xff) as u8;
103 read_pos: AtomicUsize,
106 fn get_slice(&self, len: usize) -> Option<&[u8]> {
107 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
108 if self.data.len() < old_pos + len {
111 Some(&self.data[old_pos..old_pos + len])
115 struct FuzzEstimator {
116 input: Arc<InputData>,
118 impl FeeEstimator for FuzzEstimator {
119 fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
120 //TODO: We should actually be testing at least much more than 64k...
121 match self.input.get_slice(2) {
122 Some(slice) => cmp::max(slice_to_be16(slice) as u32, 253),
128 struct TestBroadcaster {
129 txn_broadcasted: Mutex<Vec<Transaction>>,
131 impl BroadcasterInterface for TestBroadcaster {
132 fn broadcast_transaction(&self, tx: &Transaction) {
133 self.txn_broadcasted.lock().unwrap().push(tx.clone());
140 peers_connected: &'a RefCell<[bool; 256]>,
142 impl<'a> SocketDescriptor for Peer<'a> {
143 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
146 fn disconnect_socket(&mut self) {
147 assert!(self.peers_connected.borrow()[self.id as usize]);
148 self.peers_connected.borrow_mut()[self.id as usize] = false;
151 impl<'a> PartialEq for Peer<'a> {
152 fn eq(&self, other: &Self) -> bool {
156 impl<'a> Eq for Peer<'a> {}
157 impl<'a> std::hash::Hash for Peer<'a> {
158 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
163 type ChannelMan = ChannelManager<
165 Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
166 Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>;
167 type PeerMan<'a> = PeerManager<Peer<'a>, Arc<ChannelMan>, Arc<P2PGossipSync<Arc<NetworkGraph<Arc<dyn Logger>>>, Arc<dyn chain::Access>, Arc<dyn Logger>>>, Arc<dyn Logger>, IgnoringMessageHandler>;
169 struct MoneyLossDetector<'a> {
170 manager: Arc<ChannelMan>,
171 monitor: Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
172 handler: PeerMan<'a>,
174 peers: &'a RefCell<[bool; 256]>,
175 funding_txn: Vec<Transaction>,
176 txids_confirmed: HashMap<Txid, usize>,
177 header_hashes: Vec<(BlockHash, u32)>,
180 blocks_connected: u32,
182 impl<'a> MoneyLossDetector<'a> {
183 pub fn new(peers: &'a RefCell<[bool; 256]>,
184 manager: Arc<ChannelMan>,
185 monitor: Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
186 handler: PeerMan<'a>) -> Self {
193 funding_txn: Vec::new(),
194 txids_confirmed: HashMap::new(),
195 header_hashes: vec![(genesis_block(Network::Bitcoin).block_hash(), 0)],
202 fn connect_block(&mut self, all_txn: &[Transaction]) {
203 let mut txdata = Vec::with_capacity(all_txn.len());
204 for (idx, tx) in all_txn.iter().enumerate() {
205 let txid = tx.txid();
206 match self.txids_confirmed.entry(txid) {
207 hash_map::Entry::Vacant(e) => {
208 e.insert(self.height);
209 txdata.push((idx + 1, tx));
215 self.blocks_connected += 1;
216 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height].0, merkle_root: Default::default(), time: self.blocks_connected, bits: 42, nonce: 42 };
218 self.manager.transactions_confirmed(&header, &txdata, self.height as u32);
219 self.manager.best_block_updated(&header, self.height as u32);
220 (*self.monitor).transactions_confirmed(&header, &txdata, self.height as u32);
221 (*self.monitor).best_block_updated(&header, self.height as u32);
222 if self.header_hashes.len() > self.height {
223 self.header_hashes[self.height] = (header.block_hash(), self.blocks_connected);
225 assert_eq!(self.header_hashes.len(), self.height);
226 self.header_hashes.push((header.block_hash(), self.blocks_connected));
228 self.max_height = cmp::max(self.height, self.max_height);
231 fn disconnect_block(&mut self) {
232 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
233 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height - 1].0, merkle_root: Default::default(), time: self.header_hashes[self.height].1, bits: 42, nonce: 42 };
234 self.manager.block_disconnected(&header, self.height as u32);
235 self.monitor.block_disconnected(&header, self.height as u32);
237 let removal_height = self.height;
238 self.txids_confirmed.retain(|_, height| {
239 removal_height != *height
245 impl<'a> Drop for MoneyLossDetector<'a> {
247 if !::std::thread::panicking() {
248 // Disconnect all peers
249 for (idx, peer) in self.peers.borrow().iter().enumerate() {
251 self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
255 // Force all channels onto the chain (and time out claim txn)
256 self.manager.force_close_all_channels_broadcasting_latest_txn();
262 node_secret: SecretKey,
263 inbound_payment_key: KeyMaterial,
266 impl KeysInterface for KeyProvider {
267 type Signer = EnforcingSigner;
269 fn get_node_secret(&self, _recipient: Recipient) -> Result<SecretKey, ()> {
270 Ok(self.node_secret.clone())
273 fn ecdh(&self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&[u8; 32]>) -> Result<SharedSecret, ()> {
274 let mut node_secret = self.get_node_secret(recipient)?;
275 if let Some(tweak) = tweak {
276 node_secret.mul_assign(tweak).map_err(|_| ())?;
278 Ok(SharedSecret::new(other_key, &node_secret))
281 fn get_inbound_payment_key_material(&self) -> KeyMaterial {
282 self.inbound_payment_key.clone()
285 fn get_destination_script(&self) -> Script {
286 let secp_ctx = Secp256k1::signing_only();
287 let channel_monitor_claim_key = SecretKey::from_slice(&hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
288 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
289 Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
292 fn get_shutdown_scriptpubkey(&self) -> ShutdownScript {
293 let secp_ctx = Secp256k1::signing_only();
294 let secret_key = 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();
295 let pubkey_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &secret_key).serialize());
296 ShutdownScript::new_p2wpkh(&pubkey_hash)
299 fn get_channel_signer(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingSigner {
300 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
301 let secp_ctx = Secp256k1::signing_only();
302 EnforcingSigner::new(if inbound {
305 self.node_secret.clone(),
306 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(),
307 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(),
308 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, ctr]).unwrap(),
309 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, ctr]).unwrap(),
310 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, ctr]).unwrap(),
311 [0, 0, 0, 0, 0, 0, 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],
312 channel_value_satoshis,
318 self.node_secret.clone(),
319 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(),
320 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(),
321 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, ctr]).unwrap(),
322 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(),
323 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(),
324 [0, 0, 0, 0, 0, 0, 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],
325 channel_value_satoshis,
331 fn get_secure_random_bytes(&self) -> [u8; 32] {
332 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
333 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
334 (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]
337 fn read_chan_signer(&self, mut data: &[u8]) -> Result<EnforcingSigner, DecodeError> {
338 let inner: InMemorySigner = ReadableArgs::read(&mut data, self.node_secret.clone())?;
339 let state = Arc::new(Mutex::new(EnforcementState::new()));
341 Ok(EnforcingSigner::new_with_revoked(
348 fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
354 pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
355 let input = Arc::new(InputData {
357 read_pos: AtomicUsize::new(0),
359 let fee_est = Arc::new(FuzzEstimator {
360 input: input.clone(),
363 macro_rules! get_slice {
365 match input.get_slice($len as usize) {
366 Some(slice) => slice,
372 macro_rules! get_pubkey {
374 match PublicKey::from_slice(get_slice!(33)) {
381 let our_network_key = match SecretKey::from_slice(get_slice!(32)) {
386 let inbound_payment_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, 0, 42];
388 let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
389 let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(),
390 Arc::new(TestPersister { update_ret: Mutex::new(Ok(())) })));
392 let keys_manager = Arc::new(KeyProvider { node_secret: our_network_key.clone(), inbound_payment_key: KeyMaterial(inbound_payment_key.try_into().unwrap()), counter: AtomicU64::new(0) });
393 let mut config = UserConfig::default();
394 config.channel_config.forwarding_fee_proportional_millionths = slice_to_be32(get_slice!(4));
395 config.channel_handshake_config.announced_channel = get_slice!(1)[0] != 0;
396 let network = Network::Bitcoin;
397 let params = ChainParameters {
399 best_block: BestBlock::from_genesis(network),
401 let channelmanager = Arc::new(ChannelManager::new(fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, params));
402 // Adding new calls to `KeysInterface::get_secure_random_bytes` during startup can change all the
403 // keys subsequently generated in this test. Rather than regenerating all the messages manually,
404 // it's easier to just increment the counter here so the keys don't change.
405 keys_manager.counter.fetch_sub(1, Ordering::AcqRel);
406 let our_id = PublicKey::from_secret_key(&Secp256k1::signing_only(), &keys_manager.get_node_secret(Recipient::Node).unwrap());
407 let network_graph = Arc::new(NetworkGraph::new(genesis_block(network).block_hash(), Arc::clone(&logger)));
408 let gossip_sync = Arc::new(P2PGossipSync::new(Arc::clone(&network_graph), None, Arc::clone(&logger)));
409 let scorer = FixedPenaltyScorer::with_penalty(0);
411 let peers = RefCell::new([false; 256]);
412 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
413 chan_handler: channelmanager.clone(),
414 route_handler: gossip_sync.clone(),
415 }, 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), IgnoringMessageHandler{}));
417 let mut should_forward = false;
418 let mut payments_received: Vec<PaymentHash> = Vec::new();
419 let mut payments_sent = 0;
420 let mut pending_funding_generation: Vec<([u8; 32], PublicKey, u64, Script)> = Vec::new();
421 let mut pending_funding_signatures = HashMap::new();
424 match get_slice!(1)[0] {
428 if !peers.borrow()[i-1] {
433 if new_id == 0 { return; }
434 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
435 peers.borrow_mut()[new_id - 1] = true;
440 if !peers.borrow()[i-1] {
445 if new_id == 0 { return; }
446 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
447 peers.borrow_mut()[new_id - 1] = true;
450 let peer_id = get_slice!(1)[0];
451 if !peers.borrow()[peer_id as usize] { return; }
452 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
453 peers.borrow_mut()[peer_id as usize] = false;
456 let peer_id = get_slice!(1)[0];
457 if !peers.borrow()[peer_id as usize] { return; }
458 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
459 Ok(res) => assert!(!res),
460 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
464 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
465 let payment_params = PaymentParameters::from_node_id(get_pubkey!());
466 let params = RouteParameters {
469 final_cltv_expiry_delta: 42,
471 let random_seed_bytes: [u8; 32] = keys_manager.get_secure_random_bytes();
472 let route = match find_route(&our_id, ¶ms, &network_graph, None, Arc::clone(&logger), &scorer, &random_seed_bytes) {
476 let mut payment_hash = PaymentHash([0; 32]);
477 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
478 let mut sha = Sha256::engine();
479 sha.input(&payment_hash.0[..]);
480 payment_hash.0 = Sha256::from_engine(sha).into_inner();
482 match channelmanager.send_payment(&route, payment_hash, &None) {
488 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
489 let payment_params = PaymentParameters::from_node_id(get_pubkey!());
490 let params = RouteParameters {
493 final_cltv_expiry_delta: 42,
495 let random_seed_bytes: [u8; 32] = keys_manager.get_secure_random_bytes();
496 let mut route = match find_route(&our_id, ¶ms, &network_graph, None, Arc::clone(&logger), &scorer, &random_seed_bytes) {
500 route.paths.push(route.paths[0].clone());
501 let mut payment_hash = PaymentHash([0; 32]);
502 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
503 let mut sha = Sha256::engine();
504 sha.input(&payment_hash.0[..]);
505 payment_hash.0 = Sha256::from_engine(sha).into_inner();
507 let mut payment_secret = PaymentSecret([0; 32]);
508 payment_secret.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
510 match channelmanager.send_payment(&route, payment_hash, &Some(payment_secret)) {
516 let peer_id = get_slice!(1)[0];
517 if !peers.borrow()[peer_id as usize] { return; }
518 let their_key = get_pubkey!();
519 let chan_value = slice_to_be24(get_slice!(3)) as u64;
520 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
521 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None).is_err() { return; }
524 let mut channels = channelmanager.list_channels();
525 let channel_id = get_slice!(1)[0] as usize;
526 if channel_id >= channels.len() { return; }
527 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
528 if channelmanager.close_channel(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).is_err() { return; }
532 channelmanager.process_pending_htlc_forwards();
533 should_forward = false;
537 for payment in payments_received.drain(..) {
538 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
539 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
540 // fulfill this HTLC, but if they are, we can just take the first byte and
541 // place that anywhere in our preimage.
542 if &payment.0[1..] != &[0; 31] {
543 channelmanager.fail_htlc_backwards(&payment);
545 let mut payment_preimage = PaymentPreimage([0; 32]);
546 payment_preimage.0[0] = payment.0[0];
547 channelmanager.claim_funds(payment_preimage);
552 let payment_preimage = PaymentPreimage(keys_manager.get_secure_random_bytes());
553 let mut sha = Sha256::engine();
554 sha.input(&payment_preimage.0[..]);
555 let payment_hash = PaymentHash(Sha256::from_engine(sha).into_inner());
556 // Note that this may fail - our hashes may collide and we'll end up trying to
557 // double-register the same payment_hash.
558 let _ = channelmanager.create_inbound_payment_for_hash(payment_hash, None, 1);
561 for payment in payments_received.drain(..) {
562 channelmanager.fail_htlc_backwards(&payment);
566 'outer_loop: for funding_generation in pending_funding_generation.drain(..) {
567 let mut tx = Transaction { version: 0, lock_time: 0, input: Vec::new(), output: vec![TxOut {
568 value: funding_generation.2, script_pubkey: funding_generation.3,
570 let funding_output = 'search_loop: loop {
571 let funding_txid = tx.txid();
572 if let None = loss_detector.txids_confirmed.get(&funding_txid) {
573 let outpoint = OutPoint { txid: funding_txid, index: 0 };
574 for chan in channelmanager.list_channels() {
575 if chan.channel_id == outpoint.to_channel_id() {
577 continue 'search_loop;
583 if tx.version > 0xff {
584 continue 'outer_loop;
587 if let Err(e) = channelmanager.funding_transaction_generated(&funding_generation.0, &funding_generation.1, tx.clone()) {
588 // It's possible the channel has been closed in the mean time, but any other
589 // failure may be a bug.
590 if let APIError::ChannelUnavailable { err } = e {
591 assert_eq!(err, "No such channel");
594 pending_funding_signatures.insert(funding_output, tx);
598 let mut txn = broadcast.txn_broadcasted.lock().unwrap().split_off(0);
600 loss_detector.connect_block(&txn[..]);
602 loss_detector.connect_block(&[]);
605 for tx in txn.drain(..) {
606 loss_detector.funding_txn.push(tx);
610 let txlen = slice_to_be16(get_slice!(2));
612 loss_detector.connect_block(&[]);
614 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
615 if let Ok(tx) = txres {
616 let mut output_val = 0;
617 for out in tx.output.iter() {
618 if out.value > 21_000_000_0000_0000 { return; }
619 output_val += out.value;
620 if output_val > 21_000_000_0000_0000 { return; }
622 loss_detector.connect_block(&[tx]);
629 loss_detector.disconnect_block();
632 let mut channels = channelmanager.list_channels();
633 let channel_id = get_slice!(1)[0] as usize;
634 if channel_id >= channels.len() { return; }
635 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
636 channelmanager.force_close_broadcasting_latest_txn(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).unwrap();
641 loss_detector.handler.process_events();
642 for event in loss_detector.manager.get_and_clear_pending_events() {
644 Event::FundingGenerationReady { temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script, .. } => {
645 pending_funding_generation.push((temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script));
647 Event::PaymentReceived { payment_hash, .. } => {
648 //TODO: enhance by fetching random amounts from fuzz input?
649 payments_received.push(payment_hash);
651 Event::PendingHTLCsForwardable {..} => {
652 should_forward = true;
660 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
661 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
662 do_test(data, &logger);
666 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
667 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
668 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
673 use lightning::util::logger::{Logger, Record};
674 use std::collections::HashMap;
675 use std::sync::{Arc, Mutex};
677 struct TrackingLogger {
678 /// (module, message) -> count
679 pub lines: Mutex<HashMap<(String, String), usize>>,
681 impl Logger for TrackingLogger {
682 fn log(&self, record: &Record) {
683 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
684 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
689 fn test_no_existing_test_breakage() {
690 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
691 // changes (such as requesting feerate info in a new place), we run a pretty full
692 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
693 // so this should be updated pretty liberally, but at least we'll know when changes occur.
694 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
696 // What each byte represents is broken down below, and then everything is concatenated into
697 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
699 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
700 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
701 // of the Lightning message
702 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
703 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
705 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
707 // 0100000000000000000000000000000000000000000000000000000000000000 - our network key
708 // 00000000 - fee_proportional_millionths
709 // 01 - announce_channels_publicly
711 // 00 - new outbound connection with id 0
712 // 030000000000000000000000000000000000000000000000000000000000000002 - peer's pubkey
713 // 030032 - inbound read from peer id 0 of len 50
714 // 00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000 - noise act two (0||pubkey||mac)
716 // 030012 - inbound read from peer id 0 of len 18
717 // 000a 03000000000000000000000000000000 - message header indicating message length 10
718 // 03001a - inbound read from peer id 0 of len 26
719 // 0010 00022000 00022000 03000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
721 // 030012 - inbound read from peer id 0 of len 18
722 // 0141 03000000000000000000000000000000 - message header indicating message length 321
723 // 0300fe - inbound read from peer id 0 of len 254
724 // 0020 7500000000000000000000000000000000000000000000000000000000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000162 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
725 // 030053 - inbound read from peer id 0 of len 83
726 // 030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 03000000000000000000000000000000 - rest of open_channel and mac
728 // 00fd00fd - Two feerate requests (all returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
729 // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
731 // 030012 - inbound read from peer id 0 of len 18
732 // 0084 03000000000000000000000000000000 - message header indicating message length 132
733 // 030094 - inbound read from peer id 0 of len 148
734 // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 00000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_created and mac
735 // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
737 // 0c005e - connect a block with one transaction of len 94
738 // 020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
739 // 0c0000 - connect a block with no transactions
740 // 0c0000 - connect a block with no transactions
741 // 0c0000 - connect a block with no transactions
742 // 0c0000 - connect a block with no transactions
743 // 0c0000 - connect a block with no transactions
744 // 0c0000 - connect a block with no transactions
745 // 0c0000 - connect a block with no transactions
746 // 0c0000 - connect a block with no transactions
747 // 0c0000 - connect a block with no transactions
748 // 0c0000 - connect a block with no transactions
749 // 0c0000 - connect a block with no transactions
750 // 0c0000 - connect a block with no transactions
751 // - by now client should have sent a channel_ready (CHECK 3: SendChannelReady to 03000000 for chan 3d000000)
753 // 030012 - inbound read from peer id 0 of len 18
754 // 0043 03000000000000000000000000000000 - message header indicating message length 67
755 // 030053 - inbound read from peer id 0 of len 83
756 // 0024 3d00000000000000000000000000000000000000000000000000000000000000 020800000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - channel_ready and mac
758 // 01 - new inbound connection with id 1
759 // 030132 - inbound read from peer id 1 of len 50
760 // 0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000 - inbound noise act 1
761 // 030142 - inbound read from peer id 1 of len 66
762 // 000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000 - inbound noise act 3
764 // 030112 - inbound read from peer id 1 of len 18
765 // 000a 01000000000000000000000000000000 - message header indicating message length 10
766 // 03011a - inbound read from peer id 1 of len 26
767 // 0010 00022000 00022000 01000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
769 // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat
770 // 00fd - One feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
772 // 030112 - inbound read from peer id 1 of len 18
773 // 0110 01000000000000000000000000000000 - message header indicating message length 272
774 // 0301ff - inbound read from peer id 1 of len 255
775 // 0021 0000000000000000000000000000000000000000000000000000000000000e05 0000000000000162 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 02660000000000000000000000000000 - beginning of accept_channel
776 // 030121 - inbound read from peer id 1 of len 33
777 // 0000000000000000000000000000000000 01000000000000000000000000000000 - rest of accept_channel and mac
779 // 0a - create the funding transaction (client should send funding_created now)
781 // 030112 - inbound read from peer id 1 of len 18
782 // 0062 01000000000000000000000000000000 - message header indicating message length 98
783 // 030172 - inbound read from peer id 1 of len 114
784 // 0023 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_signed message and mac
786 // 0b - broadcast funding transaction
787 // - by now client should have sent a channel_ready (CHECK 4: SendChannelReady to 03020000 for chan 3f000000)
789 // 030112 - inbound read from peer id 1 of len 18
790 // 0043 01000000000000000000000000000000 - message header indicating message length 67
791 // 030153 - inbound read from peer id 1 of len 83
792 // 0024 3a00000000000000000000000000000000000000000000000000000000000000 026700000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - channel_ready and mac
794 // 030012 - inbound read from peer id 0 of len 18
795 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
796 // 0300ff - inbound read from peer id 0 of len 255
797 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e8000000a00000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
798 // 0300ff - inbound read from peer id 0 of len 255
799 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
800 // 0300ff - inbound read from peer id 0 of len 255
801 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
802 // 0300ff - inbound read from peer id 0 of len 255
803 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
804 // 0300ff - inbound read from peer id 0 of len 255
805 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
806 // 0300c1 - inbound read from peer id 0 of len 193
807 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 4e00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
809 // 030012 - inbound read from peer id 0 of len 18
810 // 0064 03000000000000000000000000000000 - message header indicating message length 100
811 // 030074 - inbound read from peer id 0 of len 116
812 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000300100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
813 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
815 // 030012 - inbound read from peer id 0 of len 18
816 // 0063 03000000000000000000000000000000 - message header indicating message length 99
817 // 030073 - inbound read from peer id 0 of len 115
818 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0900000000000000000000000000000000000000000000000000000000000000 020b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
820 // 07 - process the now-pending HTLC forward
821 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: SendHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
823 // - we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
824 // 030112 - inbound read from peer id 1 of len 18
825 // 0064 01000000000000000000000000000000 - message header indicating message length 100
826 // 030174 - inbound read from peer id 1 of len 116
827 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000006a0001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
829 // 030112 - inbound read from peer id 1 of len 18
830 // 0063 01000000000000000000000000000000 - message header indicating message length 99
831 // 030173 - inbound read from peer id 1 of len 115
832 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6600000000000000000000000000000000000000000000000000000000000000 026400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
834 // 030112 - inbound read from peer id 1 of len 18
835 // 004a 01000000000000000000000000000000 - message header indicating message length 74
836 // 03015a - inbound read from peer id 1 of len 90
837 // 0082 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000 - update_fulfill_htlc and mac
838 // - client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
840 // 030112 - inbound read from peer id 1 of len 18
841 // 0064 01000000000000000000000000000000 - message header indicating message length 100
842 // 030174 - inbound read from peer id 1 of len 116
843 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000100001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
845 // 030112 - inbound read from peer id 1 of len 18
846 // 0063 01000000000000000000000000000000 - message header indicating message length 99
847 // 030173 - inbound read from peer id 1 of len 115
848 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6700000000000000000000000000000000000000000000000000000000000000 026500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
850 // - before responding to the commitment_signed generated above, send a new HTLC
851 // 030012 - inbound read from peer id 0 of len 18
852 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
853 // 0300ff - inbound read from peer id 0 of len 255
854 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e8000000a00000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
855 // 0300ff - inbound read from peer id 0 of len 255
856 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
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 // 0300c1 - inbound read from peer id 0 of len 193
864 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 4e00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
866 // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
867 // 030012 - inbound read from peer id 0 of len 18
868 // 0063 03000000000000000000000000000000 - message header indicating message length 99
869 // 030073 - inbound read from peer id 0 of len 115
870 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0800000000000000000000000000000000000000000000000000000000000000 020a00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
871 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
873 // 030012 - inbound read from peer id 0 of len 18
874 // 0064 03000000000000000000000000000000 - message header indicating message length 100
875 // 030074 - inbound read from peer id 0 of len 116
876 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000c30100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
878 // 030012 - inbound read from peer id 0 of len 18
879 // 0063 03000000000000000000000000000000 - message header indicating message length 99
880 // 030073 - inbound read from peer id 0 of len 115
881 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0b00000000000000000000000000000000000000000000000000000000000000 020d00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
883 // 07 - process the now-pending HTLC forward
884 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
885 // - we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
887 // 030112 - inbound read from peer id 1 of len 18
888 // 0064 01000000000000000000000000000000 - message header indicating message length 100
889 // 030174 - inbound read from peer id 1 of len 116
890 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
892 // 030112 - inbound read from peer id 1 of len 18
893 // 0063 01000000000000000000000000000000 - message header indicating message length 99
894 // 030173 - inbound read from peer id 1 of len 115
895 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6400000000000000000000000000000000000000000000000000000000000000 027000000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
897 // 030112 - inbound read from peer id 1 of len 18
898 // 002c 01000000000000000000000000000000 - message header indicating message length 44
899 // 03013c - inbound read from peer id 1 of len 60
900 // 0083 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000 - update_fail_htlc and mac
902 // 030112 - inbound read from peer id 1 of len 18
903 // 0064 01000000000000000000000000000000 - message header indicating message length 100
904 // 030174 - inbound read from peer id 1 of len 116
905 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
907 // 030112 - inbound read from peer id 1 of len 18
908 // 0063 01000000000000000000000000000000 - message header indicating message length 99
909 // 030173 - inbound read from peer id 1 of len 115
910 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6500000000000000000000000000000000000000000000000000000000000000 027100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
912 // 07 - process the now-pending HTLC forward
913 // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
914 // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
916 // 030012 - inbound read from peer id 0 of len 18
917 // 0063 03000000000000000000000000000000 - message header indicating message length 99
918 // 030073 - inbound read from peer id 0 of len 115
919 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0a00000000000000000000000000000000000000000000000000000000000000 020c00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
921 // 030012 - inbound read from peer id 0 of len 18
922 // 0064 03000000000000000000000000000000 - message header indicating message length 100
923 // 030074 - inbound read from peer id 0 of len 116
924 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000320100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
925 // - client should now respond with revoke_and_ack (CHECK 5 duplicate)
927 // 030012 - inbound read from peer id 0 of len 18
928 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
929 // 0300ff - inbound read from peer id 0 of len 255
930 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000927c0000000a00000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
931 // 0300ff - inbound read from peer id 0 of len 255
932 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
933 // 0300ff - inbound read from peer id 0 of len 255
934 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
935 // 0300ff - inbound read from peer id 0 of len 255
936 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
937 // 0300ff - inbound read from peer id 0 of len 255
938 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
939 // 0300c1 - inbound read from peer id 0 of len 193
940 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 4b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
942 // 030012 - inbound read from peer id 0 of len 18
943 // 00a4 03000000000000000000000000000000 - message header indicating message length 164
944 // 0300b4 - inbound read from peer id 0 of len 180
945 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000750100000000000000000000000000000000000000000000000000000000000000 0001 00000000000000000000000000000000000000000000000000000000000000670500000000000000000000000000000000000000000000000000000000000006 03000000000000000000000000000000 - commitment_signed and mac
946 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
948 // 030012 - inbound read from peer id 0 of len 18
949 // 0063 03000000000000000000000000000000 - message header indicating message length 99
950 // 030073 - inbound read from peer id 0 of len 115
951 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0d00000000000000000000000000000000000000000000000000000000000000 020f00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
953 // 07 - process the now-pending HTLC forward
954 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
956 // 0c007d - connect a block with one transaction of len 125
957 // 02000000013a000000000000000000000000000000000000000000000000000000000000000000000000000000800258020000000000002200204b0000000000000000000000000000000000000000000000000000000000000014c0000000000000160014280000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
959 // 0c005e - connect a block with one transaction of len 94
960 // 0200000001730000000000000000000000000000000000000000000000000000000000000000000000000000000001a701000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000 - the HTLC timeout transaction
961 // 0c0000 - connect a block with no transactions
962 // 0c0000 - connect a block with no transactions
963 // 0c0000 - connect a block with no transactions
964 // 0c0000 - connect a block with no transactions
965 // 0c0000 - connect a block with no transactions
967 // 07 - process the now-pending HTLC forward
968 // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
970 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
971 super::do_test(&::hex::decode("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&(Arc::clone(&logger) as Arc<dyn Logger>));
973 let log_entries = logger.lines.lock().unwrap();
974 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
975 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
976 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendChannelReady event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 3
977 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendChannelReady event in peer_handler for node 030200000000000000000000000000000000000000000000000000000000000000 for channel 3a00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 4
978 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
979 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
980 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
981 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
982 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
983 assert_eq!(log_entries.get(&("lightning::chain::channelmonitor".to_string(), "Input spending counterparty commitment tx (0000000000000000000000000000000000000000000000000000000000000073:0) in 0000000000000000000000000000000000000000000000000000000000000067 resolves outbound HTLC with payment hash ff00000000000000000000000000000000000000000000000000000000000000 with timeout".to_string())), Some(&1)); // 10