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::TxMerkleNode;
17 use bitcoin::blockdata::block::BlockHeader;
18 use bitcoin::blockdata::constants::genesis_block;
19 use bitcoin::blockdata::transaction::{Transaction, TxOut};
20 use bitcoin::blockdata::script::{Builder, Script};
21 use bitcoin::blockdata::opcodes;
22 use bitcoin::blockdata::locktime::PackedLockTime;
23 use bitcoin::consensus::encode::deserialize;
24 use bitcoin::network::constants::Network;
26 use bitcoin::hashes::Hash as TraitImport;
27 use bitcoin::hashes::HashEngine as TraitImportEngine;
28 use bitcoin::hashes::sha256::Hash as Sha256;
29 use bitcoin::hashes::sha256d::Hash as Sha256dHash;
30 use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash};
33 use lightning::chain::{BestBlock, ChannelMonitorUpdateStatus, Confirm, Listen};
34 use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
35 use lightning::chain::chainmonitor;
36 use lightning::chain::transaction::OutPoint;
37 use lightning::chain::keysinterface::{InMemorySigner, Recipient, KeyMaterial, EntropySource, NodeSigner, SignerProvider};
38 use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
39 use lightning::ln::channelmanager::{ChainParameters, ChannelDetails, ChannelManager, PaymentId};
40 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor,IgnoringMessageHandler};
41 use lightning::ln::msgs::{self, DecodeError};
42 use lightning::ln::script::ShutdownScript;
43 use lightning::routing::gossip::{P2PGossipSync, NetworkGraph};
44 use lightning::routing::utxo::UtxoLookup;
45 use lightning::routing::router::{find_route, InFlightHtlcs, PaymentParameters, Route, RouteHop, RouteParameters, Router};
46 use lightning::routing::scoring::FixedPenaltyScorer;
47 use lightning::util::config::UserConfig;
48 use lightning::util::errors::APIError;
49 use lightning::util::events::Event;
50 use lightning::util::enforcing_trait_impls::{EnforcingSigner, EnforcementState};
51 use lightning::util::logger::Logger;
52 use lightning::util::ser::{Readable, Writeable};
54 use crate::utils::test_logger;
55 use crate::utils::test_persister::TestPersister;
57 use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1};
58 use bitcoin::secp256k1::ecdh::SharedSecret;
59 use bitcoin::secp256k1::ecdsa::{RecoverableSignature, Signature};
61 use std::cell::RefCell;
62 use hashbrown::{HashMap, hash_map};
63 use std::convert::TryInto;
65 use std::sync::{Arc, Mutex};
66 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
67 use bitcoin::bech32::u5;
70 pub fn slice_to_be16(v: &[u8]) -> u16 {
71 ((v[0] as u16) << 8*1) |
72 ((v[1] as u16) << 8*0)
76 pub fn slice_to_be24(v: &[u8]) -> u32 {
77 ((v[0] as u32) << 8*2) |
78 ((v[1] as u32) << 8*1) |
79 ((v[2] as u32) << 8*0)
83 pub fn slice_to_be32(v: &[u8]) -> u32 {
84 ((v[0] as u32) << 8*3) |
85 ((v[1] as u32) << 8*2) |
86 ((v[2] as u32) << 8*1) |
87 ((v[3] as u32) << 8*0)
91 pub fn be64_to_array(u: u64) -> [u8; 8] {
93 v[0] = ((u >> 8*7) & 0xff) as u8;
94 v[1] = ((u >> 8*6) & 0xff) as u8;
95 v[2] = ((u >> 8*5) & 0xff) as u8;
96 v[3] = ((u >> 8*4) & 0xff) as u8;
97 v[4] = ((u >> 8*3) & 0xff) as u8;
98 v[5] = ((u >> 8*2) & 0xff) as u8;
99 v[6] = ((u >> 8*1) & 0xff) as u8;
100 v[7] = ((u >> 8*0) & 0xff) as u8;
106 read_pos: AtomicUsize,
109 fn get_slice(&self, len: usize) -> Option<&[u8]> {
110 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
111 if self.data.len() < old_pos + len {
114 Some(&self.data[old_pos..old_pos + len])
118 struct FuzzEstimator {
119 input: Arc<InputData>,
121 impl FeeEstimator for FuzzEstimator {
122 fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
123 //TODO: We should actually be testing at least much more than 64k...
124 match self.input.get_slice(2) {
125 Some(slice) => cmp::max(slice_to_be16(slice) as u32, 253),
133 impl Router for FuzzRouter {
135 &self, _payer: &PublicKey, _params: &RouteParameters, _first_hops: Option<&[&ChannelDetails]>,
136 _inflight_htlcs: &InFlightHtlcs
137 ) -> Result<Route, msgs::LightningError> {
138 Err(msgs::LightningError {
139 err: String::from("Not implemented"),
140 action: msgs::ErrorAction::IgnoreError
143 fn notify_payment_path_failed(&self, _path: &[&RouteHop], _short_channel_id: u64) {}
144 fn notify_payment_path_successful(&self, _path: &[&RouteHop]) {}
145 fn notify_payment_probe_successful(&self, _path: &[&RouteHop]) {}
146 fn notify_payment_probe_failed(&self, _path: &[&RouteHop], _short_channel_id: u64) {}
149 struct TestBroadcaster {
150 txn_broadcasted: Mutex<Vec<Transaction>>,
152 impl BroadcasterInterface for TestBroadcaster {
153 fn broadcast_transaction(&self, tx: &Transaction) {
154 self.txn_broadcasted.lock().unwrap().push(tx.clone());
161 peers_connected: &'a RefCell<[bool; 256]>,
163 impl<'a> SocketDescriptor for Peer<'a> {
164 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
167 fn disconnect_socket(&mut self) {
168 assert!(self.peers_connected.borrow()[self.id as usize]);
169 self.peers_connected.borrow_mut()[self.id as usize] = false;
172 impl<'a> PartialEq for Peer<'a> {
173 fn eq(&self, other: &Self) -> bool {
177 impl<'a> Eq for Peer<'a> {}
178 impl<'a> std::hash::Hash for Peer<'a> {
179 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
184 type ChannelMan<'a> = ChannelManager<
185 Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
186 Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<FuzzEstimator>, &'a FuzzRouter, Arc<dyn Logger>>;
187 type PeerMan<'a> = PeerManager<Peer<'a>, Arc<ChannelMan<'a>>, Arc<P2PGossipSync<Arc<NetworkGraph<Arc<dyn Logger>>>, Arc<dyn UtxoLookup>, Arc<dyn Logger>>>, IgnoringMessageHandler, Arc<dyn Logger>, IgnoringMessageHandler, Arc<KeyProvider>>;
189 struct MoneyLossDetector<'a> {
190 manager: Arc<ChannelMan<'a>>,
191 monitor: Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
192 handler: PeerMan<'a>,
194 peers: &'a RefCell<[bool; 256]>,
195 funding_txn: Vec<Transaction>,
196 txids_confirmed: HashMap<Txid, usize>,
197 header_hashes: Vec<(BlockHash, u32)>,
200 blocks_connected: u32,
202 impl<'a> MoneyLossDetector<'a> {
203 pub fn new(peers: &'a RefCell<[bool; 256]>,
204 manager: Arc<ChannelMan<'a>>,
205 monitor: Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
206 handler: PeerMan<'a>) -> Self {
213 funding_txn: Vec::new(),
214 txids_confirmed: HashMap::new(),
215 header_hashes: vec![(genesis_block(Network::Bitcoin).block_hash(), 0)],
222 fn connect_block(&mut self, all_txn: &[Transaction]) {
223 let mut txdata = Vec::with_capacity(all_txn.len());
224 for (idx, tx) in all_txn.iter().enumerate() {
225 let txid = tx.txid();
226 match self.txids_confirmed.entry(txid) {
227 hash_map::Entry::Vacant(e) => {
228 e.insert(self.height);
229 txdata.push((idx + 1, tx));
235 self.blocks_connected += 1;
236 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height].0, merkle_root: TxMerkleNode::all_zeros(), time: self.blocks_connected, bits: 42, nonce: 42 };
238 self.manager.transactions_confirmed(&header, &txdata, self.height as u32);
239 self.manager.best_block_updated(&header, self.height as u32);
240 (*self.monitor).transactions_confirmed(&header, &txdata, self.height as u32);
241 (*self.monitor).best_block_updated(&header, self.height as u32);
242 if self.header_hashes.len() > self.height {
243 self.header_hashes[self.height] = (header.block_hash(), self.blocks_connected);
245 assert_eq!(self.header_hashes.len(), self.height);
246 self.header_hashes.push((header.block_hash(), self.blocks_connected));
248 self.max_height = cmp::max(self.height, self.max_height);
251 fn disconnect_block(&mut self) {
252 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
253 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height - 1].0, merkle_root: TxMerkleNode::all_zeros(), time: self.header_hashes[self.height].1, bits: 42, nonce: 42 };
254 self.manager.block_disconnected(&header, self.height as u32);
255 self.monitor.block_disconnected(&header, self.height as u32);
257 let removal_height = self.height;
258 self.txids_confirmed.retain(|_, height| {
259 removal_height != *height
265 impl<'a> Drop for MoneyLossDetector<'a> {
267 if !::std::thread::panicking() {
268 // Disconnect all peers
269 for (idx, peer) in self.peers.borrow().iter().enumerate() {
271 self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
275 // Force all channels onto the chain (and time out claim txn)
276 self.manager.force_close_all_channels_broadcasting_latest_txn();
282 node_secret: SecretKey,
283 inbound_payment_key: KeyMaterial,
285 signer_state: RefCell<HashMap<u8, (bool, Arc<Mutex<EnforcementState>>)>>
288 impl EntropySource for KeyProvider {
289 fn get_secure_random_bytes(&self) -> [u8; 32] {
290 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
291 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
292 (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]
296 impl NodeSigner for KeyProvider {
297 fn get_node_id(&self, recipient: Recipient) -> Result<PublicKey, ()> {
298 let node_secret = match recipient {
299 Recipient::Node => Ok(&self.node_secret),
300 Recipient::PhantomNode => Err(())
302 Ok(PublicKey::from_secret_key(&Secp256k1::signing_only(), node_secret))
305 fn ecdh(&self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&Scalar>) -> Result<SharedSecret, ()> {
306 let mut node_secret = match recipient {
307 Recipient::Node => Ok(self.node_secret.clone()),
308 Recipient::PhantomNode => Err(())
310 if let Some(tweak) = tweak {
311 node_secret = node_secret.mul_tweak(tweak).map_err(|_| ())?;
313 Ok(SharedSecret::new(other_key, &node_secret))
316 fn get_inbound_payment_key_material(&self) -> KeyMaterial {
317 self.inbound_payment_key.clone()
320 fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
324 fn sign_gossip_message(&self, msg: lightning::ln::msgs::UnsignedGossipMessage) -> Result<Signature, ()> {
325 let msg_hash = Message::from_slice(&Sha256dHash::hash(&msg.encode()[..])[..]).map_err(|_| ())?;
326 let secp_ctx = Secp256k1::signing_only();
327 Ok(secp_ctx.sign_ecdsa(&msg_hash, &self.node_secret))
331 impl SignerProvider for KeyProvider {
332 type Signer = EnforcingSigner;
334 fn generate_channel_keys_id(&self, inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128) -> [u8; 32] {
335 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
336 self.signer_state.borrow_mut().insert(ctr, (inbound, Arc::new(Mutex::new(EnforcementState::new()))));
340 fn derive_channel_signer(&self, channel_value_satoshis: u64, channel_keys_id: [u8; 32]) -> Self::Signer {
341 let secp_ctx = Secp256k1::signing_only();
342 let ctr = channel_keys_id[0];
343 let (inbound, state) = self.signer_state.borrow().get(&ctr).unwrap().clone();
344 EnforcingSigner::new_with_revoked(if inbound {
347 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(),
348 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(),
349 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(),
350 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(),
351 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(),
352 [0, 0, 0, 0, 0, 0, 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],
353 channel_value_satoshis,
359 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(),
360 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(),
361 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(),
362 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(),
363 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(),
364 [0, 0, 0, 0, 0, 0, 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],
365 channel_value_satoshis,
371 fn read_chan_signer(&self, mut data: &[u8]) -> Result<EnforcingSigner, DecodeError> {
372 let inner: InMemorySigner = Readable::read(&mut data)?;
373 let state = Arc::new(Mutex::new(EnforcementState::new()));
375 Ok(EnforcingSigner::new_with_revoked(
382 fn get_destination_script(&self) -> Script {
383 let secp_ctx = Secp256k1::signing_only();
384 let channel_monitor_claim_key = SecretKey::from_slice(&hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
385 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
386 Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
389 fn get_shutdown_scriptpubkey(&self) -> ShutdownScript {
390 let secp_ctx = Secp256k1::signing_only();
391 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();
392 let pubkey_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &secret_key).serialize());
393 ShutdownScript::new_p2wpkh(&pubkey_hash)
398 pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
399 let input = Arc::new(InputData {
401 read_pos: AtomicUsize::new(0),
403 let fee_est = Arc::new(FuzzEstimator {
404 input: input.clone(),
406 let router = FuzzRouter {};
408 macro_rules! get_slice {
410 match input.get_slice($len as usize) {
411 Some(slice) => slice,
417 macro_rules! get_pubkey {
419 match PublicKey::from_slice(get_slice!(33)) {
426 let our_network_key = match SecretKey::from_slice(get_slice!(32)) {
431 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];
433 let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
434 let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(),
435 Arc::new(TestPersister { update_ret: Mutex::new(ChannelMonitorUpdateStatus::Completed) })));
437 let keys_manager = Arc::new(KeyProvider {
438 node_secret: our_network_key.clone(),
439 inbound_payment_key: KeyMaterial(inbound_payment_key.try_into().unwrap()),
440 counter: AtomicU64::new(0),
441 signer_state: RefCell::new(HashMap::new())
443 let mut config = UserConfig::default();
444 config.channel_config.forwarding_fee_proportional_millionths = slice_to_be32(get_slice!(4));
445 config.channel_handshake_config.announced_channel = get_slice!(1)[0] != 0;
446 let network = Network::Bitcoin;
447 let params = ChainParameters {
449 best_block: BestBlock::from_genesis(network),
451 let channelmanager = Arc::new(ChannelManager::new(fee_est.clone(), monitor.clone(), broadcast.clone(), &router, Arc::clone(&logger), keys_manager.clone(), keys_manager.clone(), keys_manager.clone(), config, params));
452 // Adding new calls to `EntropySource::get_secure_random_bytes` during startup can change all the
453 // keys subsequently generated in this test. Rather than regenerating all the messages manually,
454 // it's easier to just increment the counter here so the keys don't change.
455 keys_manager.counter.fetch_sub(3, Ordering::AcqRel);
456 let our_id = &keys_manager.get_node_id(Recipient::Node).unwrap();
457 let network_graph = Arc::new(NetworkGraph::new(genesis_block(network).block_hash(), Arc::clone(&logger)));
458 let gossip_sync = Arc::new(P2PGossipSync::new(Arc::clone(&network_graph), None, Arc::clone(&logger)));
459 let scorer = FixedPenaltyScorer::with_penalty(0);
461 let peers = RefCell::new([false; 256]);
462 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
463 chan_handler: channelmanager.clone(),
464 route_handler: gossip_sync.clone(),
465 onion_message_handler: IgnoringMessageHandler {},
466 }, 0, &[0, 0, 0, 0, 0, 0, 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{}, keys_manager.clone()));
468 let mut should_forward = false;
469 let mut payments_received: Vec<PaymentHash> = Vec::new();
470 let mut payments_sent = 0;
471 let mut pending_funding_generation: Vec<([u8; 32], PublicKey, u64, Script)> = Vec::new();
472 let mut pending_funding_signatures = HashMap::new();
475 match get_slice!(1)[0] {
479 if !peers.borrow()[i-1] {
484 if new_id == 0 { return; }
485 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
486 peers.borrow_mut()[new_id - 1] = true;
491 if !peers.borrow()[i-1] {
496 if new_id == 0 { return; }
497 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
498 peers.borrow_mut()[new_id - 1] = true;
501 let peer_id = get_slice!(1)[0];
502 if !peers.borrow()[peer_id as usize] { return; }
503 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
504 peers.borrow_mut()[peer_id as usize] = false;
507 let peer_id = get_slice!(1)[0];
508 if !peers.borrow()[peer_id as usize] { return; }
509 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
510 Ok(res) => assert!(!res),
511 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
515 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
516 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
517 let params = RouteParameters {
520 final_cltv_expiry_delta: 42,
522 let random_seed_bytes: [u8; 32] = keys_manager.get_secure_random_bytes();
523 let route = match find_route(&our_id, ¶ms, &network_graph, None, Arc::clone(&logger), &scorer, &random_seed_bytes) {
527 let mut payment_hash = PaymentHash([0; 32]);
528 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
529 let mut sha = Sha256::engine();
530 sha.input(&payment_hash.0[..]);
531 payment_hash.0 = Sha256::from_engine(sha).into_inner();
533 match channelmanager.send_payment(&route, payment_hash, &None, PaymentId(payment_hash.0)) {
539 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
540 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
541 let params = RouteParameters {
544 final_cltv_expiry_delta: 42,
546 let random_seed_bytes: [u8; 32] = keys_manager.get_secure_random_bytes();
547 let mut route = match find_route(&our_id, ¶ms, &network_graph, None, Arc::clone(&logger), &scorer, &random_seed_bytes) {
551 route.paths.push(route.paths[0].clone());
552 let mut payment_hash = PaymentHash([0; 32]);
553 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
554 let mut sha = Sha256::engine();
555 sha.input(&payment_hash.0[..]);
556 payment_hash.0 = Sha256::from_engine(sha).into_inner();
558 let mut payment_secret = PaymentSecret([0; 32]);
559 payment_secret.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
561 match channelmanager.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)) {
567 let peer_id = get_slice!(1)[0];
568 if !peers.borrow()[peer_id as usize] { return; }
569 let their_key = get_pubkey!();
570 let chan_value = slice_to_be24(get_slice!(3)) as u64;
571 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
572 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None).is_err() { return; }
575 let mut channels = channelmanager.list_channels();
576 let channel_id = get_slice!(1)[0] as usize;
577 if channel_id >= channels.len() { return; }
578 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
579 if channelmanager.close_channel(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).is_err() { return; }
583 channelmanager.process_pending_htlc_forwards();
584 should_forward = false;
588 for payment in payments_received.drain(..) {
589 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
590 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
591 // fulfill this HTLC, but if they are, we can just take the first byte and
592 // place that anywhere in our preimage.
593 if &payment.0[1..] != &[0; 31] {
594 channelmanager.fail_htlc_backwards(&payment);
596 let mut payment_preimage = PaymentPreimage([0; 32]);
597 payment_preimage.0[0] = payment.0[0];
598 channelmanager.claim_funds(payment_preimage);
603 let payment_preimage = PaymentPreimage(keys_manager.get_secure_random_bytes());
604 let mut sha = Sha256::engine();
605 sha.input(&payment_preimage.0[..]);
606 let payment_hash = PaymentHash(Sha256::from_engine(sha).into_inner());
607 // Note that this may fail - our hashes may collide and we'll end up trying to
608 // double-register the same payment_hash.
609 let _ = channelmanager.create_inbound_payment_for_hash(payment_hash, None, 1, None);
612 for payment in payments_received.drain(..) {
613 channelmanager.fail_htlc_backwards(&payment);
617 'outer_loop: for funding_generation in pending_funding_generation.drain(..) {
618 let mut tx = Transaction { version: 0, lock_time: PackedLockTime::ZERO, input: Vec::new(), output: vec![TxOut {
619 value: funding_generation.2, script_pubkey: funding_generation.3,
621 let funding_output = 'search_loop: loop {
622 let funding_txid = tx.txid();
623 if let None = loss_detector.txids_confirmed.get(&funding_txid) {
624 let outpoint = OutPoint { txid: funding_txid, index: 0 };
625 for chan in channelmanager.list_channels() {
626 if chan.channel_id == outpoint.to_channel_id() {
628 continue 'search_loop;
634 if tx.version > 0xff {
635 continue 'outer_loop;
638 if let Err(e) = channelmanager.funding_transaction_generated(&funding_generation.0, &funding_generation.1, tx.clone()) {
639 // It's possible the channel has been closed in the mean time, but any other
640 // failure may be a bug.
641 if let APIError::ChannelUnavailable { err } = e {
642 if !err.starts_with("Can't find a peer matching the passed counterparty node_id ") {
643 assert_eq!(err, "No such channel");
647 pending_funding_signatures.insert(funding_output, tx);
651 let mut txn = broadcast.txn_broadcasted.lock().unwrap().split_off(0);
653 loss_detector.connect_block(&txn[..]);
655 loss_detector.connect_block(&[]);
658 for tx in txn.drain(..) {
659 loss_detector.funding_txn.push(tx);
663 let txlen = slice_to_be16(get_slice!(2));
665 loss_detector.connect_block(&[]);
667 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
668 if let Ok(tx) = txres {
669 let mut output_val = 0;
670 for out in tx.output.iter() {
671 if out.value > 21_000_000_0000_0000 { return; }
672 output_val += out.value;
673 if output_val > 21_000_000_0000_0000 { return; }
675 loss_detector.connect_block(&[tx]);
682 loss_detector.disconnect_block();
685 let mut channels = channelmanager.list_channels();
686 let channel_id = get_slice!(1)[0] as usize;
687 if channel_id >= channels.len() { return; }
688 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
689 channelmanager.force_close_broadcasting_latest_txn(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).unwrap();
694 loss_detector.handler.process_events();
695 for event in loss_detector.manager.get_and_clear_pending_events() {
697 Event::FundingGenerationReady { temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script, .. } => {
698 pending_funding_generation.push((temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script));
700 Event::PaymentClaimable { payment_hash, .. } => {
701 //TODO: enhance by fetching random amounts from fuzz input?
702 payments_received.push(payment_hash);
704 Event::PendingHTLCsForwardable {..} => {
705 should_forward = true;
713 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
714 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
715 do_test(data, &logger);
719 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
720 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
721 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
726 use lightning::util::logger::{Logger, Record};
727 use std::collections::HashMap;
728 use std::sync::{Arc, Mutex};
730 struct TrackingLogger {
731 /// (module, message) -> count
732 pub lines: Mutex<HashMap<(String, String), usize>>,
734 impl Logger for TrackingLogger {
735 fn log(&self, record: &Record) {
736 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
737 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
742 fn test_no_existing_test_breakage() {
743 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
744 // changes (such as requesting feerate info in a new place), we run a pretty full
745 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
746 // so this should be updated pretty liberally, but at least we'll know when changes occur.
747 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
749 // What each byte represents is broken down below, and then everything is concatenated into
750 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
752 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
753 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
754 // of the Lightning message
755 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
756 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
758 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
760 // 0100000000000000000000000000000000000000000000000000000000000000 - our network key
761 // 00000000 - fee_proportional_millionths
762 // 01 - announce_channels_publicly
764 // 00 - new outbound connection with id 0
765 // 030000000000000000000000000000000000000000000000000000000000000002 - peer's pubkey
766 // 030032 - inbound read from peer id 0 of len 50
767 // 00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000 - noise act two (0||pubkey||mac)
769 // 030012 - inbound read from peer id 0 of len 18
770 // 000a 03000000000000000000000000000000 - message header indicating message length 10
771 // 03001a - inbound read from peer id 0 of len 26
772 // 0010 00022000 00022000 03000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
774 // 030012 - inbound read from peer id 0 of len 18
775 // 0141 03000000000000000000000000000000 - message header indicating message length 321
776 // 0300fe - inbound read from peer id 0 of len 254
777 // 0020 7500000000000000000000000000000000000000000000000000000000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000162 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
778 // 030053 - inbound read from peer id 0 of len 83
779 // 030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 03000000000000000000000000000000 - rest of open_channel and mac
781 // 00fd00fd - Two feerate requests (all returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
782 // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
784 // 030012 - inbound read from peer id 0 of len 18
785 // 0084 03000000000000000000000000000000 - message header indicating message length 132
786 // 030094 - inbound read from peer id 0 of len 148
787 // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 00000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_created and mac
788 // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
790 // 0c005e - connect a block with one transaction of len 94
791 // 020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
792 // 0c0000 - connect a block with no transactions
793 // 0c0000 - connect a block with no transactions
794 // 0c0000 - connect a block with no transactions
795 // 0c0000 - connect a block with no transactions
796 // 0c0000 - connect a block with no transactions
797 // 0c0000 - connect a block with no transactions
798 // 0c0000 - connect a block with no transactions
799 // 0c0000 - connect a block with no transactions
800 // 0c0000 - connect a block with no transactions
801 // 0c0000 - connect a block with no transactions
802 // 0c0000 - connect a block with no transactions
803 // 0c0000 - connect a block with no transactions
804 // - by now client should have sent a channel_ready (CHECK 3: SendChannelReady to 03000000 for chan 3d000000)
806 // 030012 - inbound read from peer id 0 of len 18
807 // 0043 03000000000000000000000000000000 - message header indicating message length 67
808 // 030053 - inbound read from peer id 0 of len 83
809 // 0024 3d00000000000000000000000000000000000000000000000000000000000000 020800000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - channel_ready and mac
811 // 01 - new inbound connection with id 1
812 // 030132 - inbound read from peer id 1 of len 50
813 // 0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000 - inbound noise act 1
814 // 030142 - inbound read from peer id 1 of len 66
815 // 000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000 - inbound noise act 3
817 // 030112 - inbound read from peer id 1 of len 18
818 // 000a 01000000000000000000000000000000 - message header indicating message length 10
819 // 03011a - inbound read from peer id 1 of len 26
820 // 0010 00022000 00022000 01000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
822 // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat
823 // 00fd - One feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
825 // 030112 - inbound read from peer id 1 of len 18
826 // 0110 01000000000000000000000000000000 - message header indicating message length 272
827 // 0301ff - inbound read from peer id 1 of len 255
828 // 0021 0000000000000000000000000000000000000000000000000000000000000e05 0000000000000162 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 02660000000000000000000000000000 - beginning of accept_channel
829 // 030121 - inbound read from peer id 1 of len 33
830 // 0000000000000000000000000000000000 01000000000000000000000000000000 - rest of accept_channel and mac
832 // 0a - create the funding transaction (client should send funding_created now)
834 // 030112 - inbound read from peer id 1 of len 18
835 // 0062 01000000000000000000000000000000 - message header indicating message length 98
836 // 030172 - inbound read from peer id 1 of len 114
837 // 0023 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_signed message and mac
839 // 0b - broadcast funding transaction
840 // - by now client should have sent a channel_ready (CHECK 4: SendChannelReady to 03020000 for chan 3f000000)
842 // 030112 - inbound read from peer id 1 of len 18
843 // 0043 01000000000000000000000000000000 - message header indicating message length 67
844 // 030153 - inbound read from peer id 1 of len 83
845 // 0024 3a00000000000000000000000000000000000000000000000000000000000000 026700000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - channel_ready and mac
847 // 030012 - inbound read from peer id 0 of len 18
848 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
849 // 0300ff - inbound read from peer id 0 of len 255
850 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
851 // 0300ff - inbound read from peer id 0 of len 255
852 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
853 // 0300ff - inbound read from peer id 0 of len 255
854 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
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 // 0300c1 - inbound read from peer id 0 of len 193
860 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
862 // 030012 - inbound read from peer id 0 of len 18
863 // 0064 03000000000000000000000000000000 - message header indicating message length 100
864 // 030074 - inbound read from peer id 0 of len 116
865 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000300100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
866 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
868 // 030012 - inbound read from peer id 0 of len 18
869 // 0063 03000000000000000000000000000000 - message header indicating message length 99
870 // 030073 - inbound read from peer id 0 of len 115
871 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0900000000000000000000000000000000000000000000000000000000000000 020b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
873 // 07 - process the now-pending HTLC forward
874 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: SendHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
876 // - we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
877 // 030112 - inbound read from peer id 1 of len 18
878 // 0064 01000000000000000000000000000000 - message header indicating message length 100
879 // 030174 - inbound read from peer id 1 of len 116
880 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000006a0001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
882 // 030112 - inbound read from peer id 1 of len 18
883 // 0063 01000000000000000000000000000000 - message header indicating message length 99
884 // 030173 - inbound read from peer id 1 of len 115
885 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6600000000000000000000000000000000000000000000000000000000000000 026400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
887 // 030112 - inbound read from peer id 1 of len 18
888 // 004a 01000000000000000000000000000000 - message header indicating message length 74
889 // 03015a - inbound read from peer id 1 of len 90
890 // 0082 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000 - update_fulfill_htlc and mac
891 // - client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
893 // 030112 - inbound read from peer id 1 of len 18
894 // 0064 01000000000000000000000000000000 - message header indicating message length 100
895 // 030174 - inbound read from peer id 1 of len 116
896 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000100001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
898 // 030112 - inbound read from peer id 1 of len 18
899 // 0063 01000000000000000000000000000000 - message header indicating message length 99
900 // 030173 - inbound read from peer id 1 of len 115
901 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6700000000000000000000000000000000000000000000000000000000000000 026500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
903 // - before responding to the commitment_signed generated above, send a new HTLC
904 // 030012 - inbound read from peer id 0 of len 18
905 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
906 // 0300ff - inbound read from peer id 0 of len 255
907 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
908 // 0300ff - inbound read from peer id 0 of len 255
909 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
910 // 0300ff - inbound read from peer id 0 of len 255
911 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
912 // 0300ff - inbound read from peer id 0 of len 255
913 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
914 // 0300ff - inbound read from peer id 0 of len 255
915 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
916 // 0300c1 - inbound read from peer id 0 of len 193
917 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
919 // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
920 // 030012 - inbound read from peer id 0 of len 18
921 // 0063 03000000000000000000000000000000 - message header indicating message length 99
922 // 030073 - inbound read from peer id 0 of len 115
923 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0800000000000000000000000000000000000000000000000000000000000000 020a00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
924 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
926 // 030012 - inbound read from peer id 0 of len 18
927 // 0064 03000000000000000000000000000000 - message header indicating message length 100
928 // 030074 - inbound read from peer id 0 of len 116
929 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000c30100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
931 // 030012 - inbound read from peer id 0 of len 18
932 // 0063 03000000000000000000000000000000 - message header indicating message length 99
933 // 030073 - inbound read from peer id 0 of len 115
934 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0b00000000000000000000000000000000000000000000000000000000000000 020d00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
936 // 07 - process the now-pending HTLC forward
937 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
938 // - we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
940 // 030112 - inbound read from peer id 1 of len 18
941 // 0064 01000000000000000000000000000000 - message header indicating message length 100
942 // 030174 - inbound read from peer id 1 of len 116
943 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
945 // 030112 - inbound read from peer id 1 of len 18
946 // 0063 01000000000000000000000000000000 - message header indicating message length 99
947 // 030173 - inbound read from peer id 1 of len 115
948 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6400000000000000000000000000000000000000000000000000000000000000 027000000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
950 // 030112 - inbound read from peer id 1 of len 18
951 // 002c 01000000000000000000000000000000 - message header indicating message length 44
952 // 03013c - inbound read from peer id 1 of len 60
953 // 0083 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000 - update_fail_htlc and mac
955 // 030112 - inbound read from peer id 1 of len 18
956 // 0064 01000000000000000000000000000000 - message header indicating message length 100
957 // 030174 - inbound read from peer id 1 of len 116
958 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
960 // 030112 - inbound read from peer id 1 of len 18
961 // 0063 01000000000000000000000000000000 - message header indicating message length 99
962 // 030173 - inbound read from peer id 1 of len 115
963 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6500000000000000000000000000000000000000000000000000000000000000 027100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
965 // 07 - process the now-pending HTLC forward
966 // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
967 // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
969 // 030012 - inbound read from peer id 0 of len 18
970 // 0063 03000000000000000000000000000000 - message header indicating message length 99
971 // 030073 - inbound read from peer id 0 of len 115
972 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0a00000000000000000000000000000000000000000000000000000000000000 020c00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
974 // 030012 - inbound read from peer id 0 of len 18
975 // 0064 03000000000000000000000000000000 - message header indicating message length 100
976 // 030074 - inbound read from peer id 0 of len 116
977 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000320100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
978 // - client should now respond with revoke_and_ack (CHECK 5 duplicate)
980 // 030012 - inbound read from peer id 0 of len 18
981 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
982 // 0300ff - inbound read from peer id 0 of len 255
983 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 12 02030927c0 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
984 // 0300ff - inbound read from peer id 0 of len 255
985 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
986 // 0300ff - inbound read from peer id 0 of len 255
987 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
988 // 0300ff - inbound read from peer id 0 of len 255
989 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
990 // 0300ff - inbound read from peer id 0 of len 255
991 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
992 // 0300c1 - inbound read from peer id 0 of len 193
993 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 5300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
995 // 030012 - inbound read from peer id 0 of len 18
996 // 00a4 03000000000000000000000000000000 - message header indicating message length 164
997 // 0300b4 - inbound read from peer id 0 of len 180
998 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000750100000000000000000000000000000000000000000000000000000000000000 0001 00000000000000000000000000000000000000000000000000000000000000670500000000000000000000000000000000000000000000000000000000000006 03000000000000000000000000000000 - commitment_signed and mac
999 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1001 // 030012 - inbound read from peer id 0 of len 18
1002 // 0063 03000000000000000000000000000000 - message header indicating message length 99
1003 // 030073 - inbound read from peer id 0 of len 115
1004 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0d00000000000000000000000000000000000000000000000000000000000000 020f00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
1006 // 07 - process the now-pending HTLC forward
1007 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1009 // 0c007d - connect a block with one transaction of len 125
1010 // 02000000013a000000000000000000000000000000000000000000000000000000000000000000000000000000800258020000000000002200204b0000000000000000000000000000000000000000000000000000000000000014c0000000000000160014280000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
1012 // 0c005e - connect a block with one transaction of len 94
1013 // 0200000001730000000000000000000000000000000000000000000000000000000000000000000000000000000001a701000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000 - the HTLC timeout transaction
1014 // 0c0000 - connect a block with no transactions
1015 // 0c0000 - connect a block with no transactions
1016 // 0c0000 - connect a block with no transactions
1017 // 0c0000 - connect a block with no transactions
1018 // 0c0000 - connect a block with no transactions
1020 // 07 - process the now-pending HTLC forward
1021 // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
1023 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1024 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&(Arc::clone(&logger) as Arc<dyn Logger>));
1026 let log_entries = logger.lines.lock().unwrap();
1027 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
1028 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
1029 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
1030 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
1031 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
1032 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
1033 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
1034 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
1035 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
1036 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