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::constants::genesis_block;
17 use bitcoin::blockdata::transaction::{Transaction, TxOut};
18 use bitcoin::blockdata::script::{Builder, ScriptBuf};
19 use bitcoin::blockdata::opcodes;
20 use bitcoin::blockdata::locktime::absolute::LockTime;
21 use bitcoin::consensus::encode::deserialize;
22 use bitcoin::network::constants::Network;
24 use bitcoin::hashes::hex::FromHex;
25 use bitcoin::hashes::Hash as _;
26 use bitcoin::hashes::sha256::Hash as Sha256;
27 use bitcoin::hashes::sha256d::Hash as Sha256dHash;
28 use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash};
30 use lightning::blinded_path::BlindedPath;
31 use lightning::blinded_path::payment::ReceiveTlvs;
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::sign::{InMemorySigner, Recipient, KeyMaterial, EntropySource, NodeSigner, SignerProvider};
38 use lightning::events::Event;
39 use lightning::ln::{ChannelId, PaymentHash, PaymentPreimage, PaymentSecret};
40 use lightning::ln::channelmanager::{ChainParameters, ChannelDetails, ChannelManager, PaymentId, RecipientOnionFields, Retry, InterceptId};
41 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor,IgnoringMessageHandler};
42 use lightning::ln::msgs::{self, DecodeError};
43 use lightning::ln::script::ShutdownScript;
44 use lightning::ln::functional_test_utils::*;
45 use lightning::offers::invoice::{BlindedPayInfo, UnsignedBolt12Invoice};
46 use lightning::offers::invoice_request::UnsignedInvoiceRequest;
47 use lightning::onion_message::messenger::{Destination, MessageRouter, OnionMessagePath};
48 use lightning::routing::gossip::{P2PGossipSync, NetworkGraph};
49 use lightning::routing::utxo::UtxoLookup;
50 use lightning::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteParameters, Router};
51 use lightning::util::config::{ChannelConfig, UserConfig};
52 use lightning::util::errors::APIError;
53 use lightning::util::test_channel_signer::{TestChannelSigner, EnforcementState};
54 use lightning::util::logger::Logger;
55 use lightning::util::ser::{Readable, ReadableArgs, Writeable};
57 use crate::utils::test_logger;
58 use crate::utils::test_persister::TestPersister;
60 use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1, self};
61 use bitcoin::secp256k1::ecdh::SharedSecret;
62 use bitcoin::secp256k1::ecdsa::{RecoverableSignature, Signature};
63 use bitcoin::secp256k1::schnorr;
65 use std::cell::RefCell;
66 use hashbrown::{HashMap, hash_map};
67 use std::convert::TryInto;
69 use std::sync::{Arc, Mutex};
70 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
71 use bitcoin::bech32::u5;
74 pub fn slice_to_be16(v: &[u8]) -> u16 {
75 ((v[0] as u16) << 8*1) |
76 ((v[1] as u16) << 8*0)
80 pub fn be16_to_array(u: u16) -> [u8; 2] {
82 v[0] = ((u >> 8*1) & 0xff) as u8;
83 v[1] = ((u >> 8*0) & 0xff) as u8;
88 pub fn slice_to_be24(v: &[u8]) -> u32 {
89 ((v[0] as u32) << 8*2) |
90 ((v[1] as u32) << 8*1) |
91 ((v[2] as u32) << 8*0)
96 read_pos: AtomicUsize,
99 fn get_slice(&self, len: usize) -> Option<&[u8]> {
100 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
101 if self.data.len() < old_pos + len {
104 Some(&self.data[old_pos..old_pos + len])
107 impl std::io::Read for &InputData {
108 fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
109 if let Some(sl) = self.get_slice(buf.len()) {
110 buf.copy_from_slice(sl);
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
144 fn create_blinded_payment_paths<T: secp256k1::Signing + secp256k1::Verification>(
145 &self, _recipient: PublicKey, _first_hops: Vec<ChannelDetails>, _tlvs: ReceiveTlvs,
146 _amount_msats: u64, _secp_ctx: &Secp256k1<T>,
147 ) -> Result<Vec<(BlindedPayInfo, BlindedPath)>, ()> {
152 impl MessageRouter for FuzzRouter {
154 &self, _sender: PublicKey, _peers: Vec<PublicKey>, _destination: Destination
155 ) -> Result<OnionMessagePath, ()> {
159 fn create_blinded_paths<T: secp256k1::Signing + secp256k1::Verification>(
160 &self, _recipient: PublicKey, _peers: Vec<PublicKey>, _secp_ctx: &Secp256k1<T>,
161 ) -> Result<Vec<BlindedPath>, ()> {
166 struct TestBroadcaster {
167 txn_broadcasted: Mutex<Vec<Transaction>>,
169 impl BroadcasterInterface for TestBroadcaster {
170 fn broadcast_transactions(&self, txs: &[&Transaction]) {
171 let owned_txs: Vec<Transaction> = txs.iter().map(|tx| (*tx).clone()).collect();
172 self.txn_broadcasted.lock().unwrap().extend(owned_txs);
179 peers_connected: &'a RefCell<[bool; 256]>,
181 impl<'a> SocketDescriptor for Peer<'a> {
182 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
185 fn disconnect_socket(&mut self) {
186 assert!(self.peers_connected.borrow()[self.id as usize]);
187 self.peers_connected.borrow_mut()[self.id as usize] = false;
190 impl<'a> PartialEq for Peer<'a> {
191 fn eq(&self, other: &Self) -> bool {
195 impl<'a> Eq for Peer<'a> {}
196 impl<'a> std::hash::Hash for Peer<'a> {
197 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
202 type ChannelMan<'a> = ChannelManager<
203 Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
204 Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<FuzzEstimator>, &'a FuzzRouter, Arc<dyn Logger>>;
205 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>>;
207 struct MoneyLossDetector<'a> {
208 manager: Arc<ChannelMan<'a>>,
209 monitor: Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
210 handler: PeerMan<'a>,
212 peers: &'a RefCell<[bool; 256]>,
213 funding_txn: Vec<Transaction>,
214 txids_confirmed: HashMap<Txid, usize>,
215 header_hashes: Vec<(BlockHash, u32)>,
218 blocks_connected: u32,
220 impl<'a> MoneyLossDetector<'a> {
221 pub fn new(peers: &'a RefCell<[bool; 256]>,
222 manager: Arc<ChannelMan<'a>>,
223 monitor: Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
224 handler: PeerMan<'a>) -> Self {
231 funding_txn: Vec::new(),
232 txids_confirmed: HashMap::new(),
233 header_hashes: vec![(genesis_block(Network::Bitcoin).block_hash(), 0)],
240 fn connect_block(&mut self, all_txn: &[Transaction]) {
241 let mut txdata = Vec::with_capacity(all_txn.len());
242 for (idx, tx) in all_txn.iter().enumerate() {
243 let txid = tx.txid();
244 match self.txids_confirmed.entry(txid) {
245 hash_map::Entry::Vacant(e) => {
246 e.insert(self.height);
247 txdata.push((idx + 1, tx));
253 self.blocks_connected += 1;
254 let header = create_dummy_header(self.header_hashes[self.height].0, self.blocks_connected);
256 self.manager.transactions_confirmed(&header, &txdata, self.height as u32);
257 self.manager.best_block_updated(&header, self.height as u32);
258 (*self.monitor).transactions_confirmed(&header, &txdata, self.height as u32);
259 (*self.monitor).best_block_updated(&header, self.height as u32);
260 if self.header_hashes.len() > self.height {
261 self.header_hashes[self.height] = (header.block_hash(), self.blocks_connected);
263 assert_eq!(self.header_hashes.len(), self.height);
264 self.header_hashes.push((header.block_hash(), self.blocks_connected));
266 self.max_height = cmp::max(self.height, self.max_height);
269 fn disconnect_block(&mut self) {
270 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
271 let header = create_dummy_header(self.header_hashes[self.height - 1].0, self.header_hashes[self.height].1);
272 self.manager.block_disconnected(&header, self.height as u32);
273 self.monitor.block_disconnected(&header, self.height as u32);
275 let removal_height = self.height;
276 self.txids_confirmed.retain(|_, height| {
277 removal_height != *height
283 impl<'a> Drop for MoneyLossDetector<'a> {
285 if !::std::thread::panicking() {
286 // Disconnect all peers
287 for (idx, peer) in self.peers.borrow().iter().enumerate() {
289 self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
293 // Force all channels onto the chain (and time out claim txn)
294 self.manager.force_close_all_channels_broadcasting_latest_txn();
300 node_secret: SecretKey,
301 inbound_payment_key: KeyMaterial,
303 signer_state: RefCell<HashMap<u8, (bool, Arc<Mutex<EnforcementState>>)>>
306 impl EntropySource for KeyProvider {
307 fn get_secure_random_bytes(&self) -> [u8; 32] {
308 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
309 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
310 (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]
314 impl NodeSigner for KeyProvider {
315 fn get_node_id(&self, recipient: Recipient) -> Result<PublicKey, ()> {
316 let node_secret = match recipient {
317 Recipient::Node => Ok(&self.node_secret),
318 Recipient::PhantomNode => Err(())
320 Ok(PublicKey::from_secret_key(&Secp256k1::signing_only(), node_secret))
323 fn ecdh(&self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&Scalar>) -> Result<SharedSecret, ()> {
324 let mut node_secret = match recipient {
325 Recipient::Node => Ok(self.node_secret.clone()),
326 Recipient::PhantomNode => Err(())
328 if let Some(tweak) = tweak {
329 node_secret = node_secret.mul_tweak(tweak).map_err(|_| ())?;
331 Ok(SharedSecret::new(other_key, &node_secret))
334 fn get_inbound_payment_key_material(&self) -> KeyMaterial {
335 self.inbound_payment_key.clone()
338 fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
342 fn sign_bolt12_invoice_request(
343 &self, _invoice_request: &UnsignedInvoiceRequest
344 ) -> Result<schnorr::Signature, ()> {
348 fn sign_bolt12_invoice(
349 &self, _invoice: &UnsignedBolt12Invoice,
350 ) -> Result<schnorr::Signature, ()> {
354 fn sign_gossip_message(&self, msg: lightning::ln::msgs::UnsignedGossipMessage) -> Result<Signature, ()> {
355 let msg_hash = Message::from_slice(&Sha256dHash::hash(&msg.encode()[..])[..]).map_err(|_| ())?;
356 let secp_ctx = Secp256k1::signing_only();
357 Ok(secp_ctx.sign_ecdsa(&msg_hash, &self.node_secret))
361 impl SignerProvider for KeyProvider {
362 type EcdsaSigner = TestChannelSigner;
364 type TaprootSigner = TestChannelSigner;
366 fn generate_channel_keys_id(&self, inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128) -> [u8; 32] {
367 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
368 self.signer_state.borrow_mut().insert(ctr, (inbound, Arc::new(Mutex::new(EnforcementState::new()))));
372 fn derive_channel_signer(&self, channel_value_satoshis: u64, channel_keys_id: [u8; 32]) -> Self::EcdsaSigner {
373 let secp_ctx = Secp256k1::signing_only();
374 let ctr = channel_keys_id[0];
375 let (inbound, state) = self.signer_state.borrow().get(&ctr).unwrap().clone();
376 TestChannelSigner::new_with_revoked(if inbound {
379 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(),
380 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(),
381 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(),
382 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(),
383 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(),
384 [0, 0, 0, 0, 0, 0, 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],
385 channel_value_satoshis,
392 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(),
393 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(),
394 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(),
395 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(),
396 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(),
397 [0, 0, 0, 0, 0, 0, 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],
398 channel_value_satoshis,
405 fn read_chan_signer(&self, mut data: &[u8]) -> Result<TestChannelSigner, DecodeError> {
406 let inner: InMemorySigner = ReadableArgs::read(&mut data, self)?;
407 let state = Arc::new(Mutex::new(EnforcementState::new()));
409 Ok(TestChannelSigner::new_with_revoked(
416 fn get_destination_script(&self, _channel_keys_id: [u8; 32]) -> Result<ScriptBuf, ()> {
417 let secp_ctx = Secp256k1::signing_only();
418 let channel_monitor_claim_key = SecretKey::from_slice(&<Vec<u8>>::from_hex("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
419 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
420 Ok(Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(our_channel_monitor_claim_key_hash).into_script())
423 fn get_shutdown_scriptpubkey(&self) -> Result<ShutdownScript, ()> {
424 let secp_ctx = Secp256k1::signing_only();
425 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();
426 let pubkey_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &secret_key).serialize());
427 Ok(ShutdownScript::new_p2wpkh(&pubkey_hash))
432 pub fn do_test(mut data: &[u8], logger: &Arc<dyn Logger>) {
433 if data.len() < 32 { return; }
435 let our_network_key = match SecretKey::from_slice(&data[..32]) {
441 let config: UserConfig = if let Ok(config) = Readable::read(&mut data) { config } else { return; };
443 let input = Arc::new(InputData {
445 read_pos: AtomicUsize::new(0),
447 let fee_est = Arc::new(FuzzEstimator {
448 input: input.clone(),
450 let router = FuzzRouter {};
452 macro_rules! get_slice {
454 match input.get_slice($len as usize) {
455 Some(slice) => slice,
461 macro_rules! get_bytes {
463 let mut res = [0; $len];
464 match input.get_slice($len as usize) {
465 Some(slice) => res.copy_from_slice(slice),
472 macro_rules! get_pubkey {
474 match PublicKey::from_slice(get_slice!(33)) {
482 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];
484 let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
485 let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(),
486 Arc::new(TestPersister { update_ret: Mutex::new(ChannelMonitorUpdateStatus::Completed) })));
488 let keys_manager = Arc::new(KeyProvider {
489 node_secret: our_network_key.clone(),
490 inbound_payment_key: KeyMaterial(inbound_payment_key.try_into().unwrap()),
491 counter: AtomicU64::new(0),
492 signer_state: RefCell::new(HashMap::new())
494 let network = Network::Bitcoin;
495 let best_block_timestamp = genesis_block(network).header.time;
496 let params = ChainParameters {
498 best_block: BestBlock::from_network(network),
500 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, best_block_timestamp));
501 // Adding new calls to `EntropySource::get_secure_random_bytes` during startup can change all the
502 // keys subsequently generated in this test. Rather than regenerating all the messages manually,
503 // it's easier to just increment the counter here so the keys don't change.
504 keys_manager.counter.fetch_sub(3, Ordering::AcqRel);
505 let network_graph = Arc::new(NetworkGraph::new(network, Arc::clone(&logger)));
506 let gossip_sync = Arc::new(P2PGossipSync::new(Arc::clone(&network_graph), None, Arc::clone(&logger)));
508 let peers = RefCell::new([false; 256]);
509 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
510 chan_handler: channelmanager.clone(),
511 route_handler: gossip_sync.clone(),
512 onion_message_handler: IgnoringMessageHandler {},
513 custom_message_handler: IgnoringMessageHandler {},
514 }, 0, &[0, 0, 0, 0, 0, 0, 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), keys_manager.clone()));
516 let mut should_forward = false;
517 let mut payments_received: Vec<PaymentHash> = Vec::new();
518 let mut intercepted_htlcs: Vec<InterceptId> = Vec::new();
519 let mut payments_sent: u16 = 0;
520 let mut pending_funding_generation: Vec<(ChannelId, PublicKey, u64, ScriptBuf)> = Vec::new();
521 let mut pending_funding_signatures = HashMap::new();
524 match get_slice!(1)[0] {
528 if !peers.borrow()[i-1] {
533 if new_id == 0 { return; }
534 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
535 peers.borrow_mut()[new_id - 1] = true;
540 if !peers.borrow()[i-1] {
545 if new_id == 0 { return; }
546 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
547 peers.borrow_mut()[new_id - 1] = true;
550 let peer_id = get_slice!(1)[0];
551 if !peers.borrow()[peer_id as usize] { return; }
552 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
553 peers.borrow_mut()[peer_id as usize] = false;
556 let peer_id = get_slice!(1)[0];
557 if !peers.borrow()[peer_id as usize] { return; }
558 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
559 Ok(res) => assert!(!res),
560 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
564 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
565 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
566 let params = RouteParameters::from_payment_params_and_value(
567 payment_params, final_value_msat);
568 let mut payment_hash = PaymentHash([0; 32]);
569 payment_hash.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
570 payment_hash.0 = Sha256::hash(&payment_hash.0[..]).to_byte_array();
572 let _ = channelmanager.send_payment(
573 payment_hash, RecipientOnionFields::spontaneous_empty(),
574 PaymentId(payment_hash.0), params, Retry::Attempts(2)
578 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
579 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
580 let params = RouteParameters::from_payment_params_and_value(
581 payment_params, final_value_msat);
582 let mut payment_hash = PaymentHash([0; 32]);
583 payment_hash.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
584 payment_hash.0 = Sha256::hash(&payment_hash.0[..]).to_byte_array();
586 let mut payment_secret = PaymentSecret([0; 32]);
587 payment_secret.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
589 let _ = channelmanager.send_payment(
590 payment_hash, RecipientOnionFields::secret_only(payment_secret),
591 PaymentId(payment_hash.0), params, Retry::Attempts(2)
595 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
596 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
597 let params = RouteParameters::from_payment_params_and_value(
598 payment_params, final_value_msat);
599 let _ = channelmanager.send_preflight_probes(params, None);
602 let idx = u16::from_be_bytes(get_bytes!(2)) % cmp::max(payments_sent, 1);
603 let mut payment_id = PaymentId([0; 32]);
604 payment_id.0[0..2].copy_from_slice(&idx.to_be_bytes());
605 channelmanager.abandon_payment(payment_id);
608 let peer_id = get_slice!(1)[0];
609 if !peers.borrow()[peer_id as usize] { return; }
610 let their_key = get_pubkey!();
611 let chan_value = slice_to_be24(get_slice!(3)) as u64;
612 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
613 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None, None).is_err() { return; }
616 let mut channels = channelmanager.list_channels();
617 let channel_id = get_slice!(1)[0] as usize;
618 if channel_id >= channels.len() { return; }
619 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
620 if channelmanager.close_channel(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).is_err() { return; }
624 channelmanager.process_pending_htlc_forwards();
625 should_forward = false;
629 for payment in payments_received.drain(..) {
630 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
631 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
632 // fulfill this HTLC, but if they are, we can just take the first byte and
633 // place that anywhere in our preimage.
634 if &payment.0[1..] != &[0; 31] {
635 channelmanager.fail_htlc_backwards(&payment);
637 let mut payment_preimage = PaymentPreimage([0; 32]);
638 payment_preimage.0[0] = payment.0[0];
639 channelmanager.claim_funds(payment_preimage);
644 let payment_preimage = PaymentPreimage(keys_manager.get_secure_random_bytes());
645 let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0[..]).to_byte_array());
646 // Note that this may fail - our hashes may collide and we'll end up trying to
647 // double-register the same payment_hash.
648 let _ = channelmanager.create_inbound_payment_for_hash(payment_hash, None, 1, None);
651 for payment in payments_received.drain(..) {
652 channelmanager.fail_htlc_backwards(&payment);
656 let mut tx = Transaction { version: 0, lock_time: LockTime::ZERO, input: Vec::new(), output: Vec::new() };
657 let mut channels = Vec::new();
658 for funding_generation in pending_funding_generation.drain(..) {
660 value: funding_generation.2, script_pubkey: funding_generation.3,
662 if !tx.output.contains(&txout) {
663 tx.output.push(txout);
664 channels.push((funding_generation.0, funding_generation.1));
667 // Once we switch to V2 channel opens we should be able to drop this entirely as
668 // channel_ids no longer change when we set the funding tx.
670 if tx.version > 0xff {
673 let funding_txid = tx.txid();
674 if loss_detector.txids_confirmed.get(&funding_txid).is_none() {
675 let outpoint = OutPoint { txid: funding_txid, index: 0 };
676 for chan in channelmanager.list_channels() {
677 if chan.channel_id == ChannelId::v1_from_funding_outpoint(outpoint) {
679 continue 'search_loop;
686 if tx.version <= 0xff && !channels.is_empty() {
687 let chans = channels.iter().map(|(a, b)| (a, b)).collect::<Vec<_>>();
688 if let Err(e) = channelmanager.batch_funding_transaction_generated(&chans, tx.clone()) {
689 // It's possible the channel has been closed in the mean time, but any other
690 // failure may be a bug.
691 if let APIError::ChannelUnavailable { .. } = e { } else { panic!(); }
693 let funding_txid = tx.txid();
694 for idx in 0..tx.output.len() {
695 let outpoint = OutPoint { txid: funding_txid, index: idx as u16 };
696 pending_funding_signatures.insert(outpoint, tx.clone());
701 let mut txn = broadcast.txn_broadcasted.lock().unwrap().split_off(0);
703 loss_detector.connect_block(&txn[..]);
705 loss_detector.connect_block(&[]);
708 for tx in txn.drain(..) {
709 loss_detector.funding_txn.push(tx);
713 let txlen = u16::from_be_bytes(get_bytes!(2));
715 loss_detector.connect_block(&[]);
717 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
718 if let Ok(tx) = txres {
719 let mut output_val = 0;
720 for out in tx.output.iter() {
721 if out.value > 21_000_000_0000_0000 { return; }
722 output_val += out.value;
723 if output_val > 21_000_000_0000_0000 { return; }
725 loss_detector.connect_block(&[tx]);
732 loss_detector.disconnect_block();
735 let mut channels = channelmanager.list_channels();
736 let channel_id = get_slice!(1)[0] as usize;
737 if channel_id >= channels.len() { return; }
738 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
739 channelmanager.force_close_broadcasting_latest_txn(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).unwrap();
741 // 15, 16, 17, 18 is above
743 let mut list = loss_detector.handler.get_peer_node_ids();
744 list.sort_by_key(|v| v.0);
745 if let Some((id, _)) = list.get(0) {
746 loss_detector.handler.disconnect_by_node_id(*id);
749 20 => loss_detector.handler.disconnect_all_peers(),
750 21 => loss_detector.handler.timer_tick_occurred(),
752 loss_detector.handler.broadcast_node_announcement([42; 3], [43; 32], Vec::new()),
753 32 => channelmanager.timer_tick_occurred(),
755 for id in intercepted_htlcs.drain(..) {
756 channelmanager.fail_intercepted_htlc(id).unwrap();
760 let amt = u64::from_be_bytes(get_bytes!(8));
761 let chans = channelmanager.list_channels();
762 for id in intercepted_htlcs.drain(..) {
763 if chans.is_empty() {
764 channelmanager.fail_intercepted_htlc(id).unwrap();
766 let chan = &chans[amt as usize % chans.len()];
767 channelmanager.forward_intercepted_htlc(id, &chan.channel_id, chan.counterparty.node_id, amt).unwrap();
772 let config: ChannelConfig =
773 if let Ok(c) = Readable::read(&mut &*input) { c } else { return; };
774 let chans = channelmanager.list_channels();
775 if let Some(chan) = chans.get(0) {
776 let _ = channelmanager.update_channel_config(
777 &chan.counterparty.node_id, &[chan.channel_id], &config
783 loss_detector.handler.process_events();
784 for event in loss_detector.manager.get_and_clear_pending_events() {
786 Event::FundingGenerationReady { temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script, .. } => {
787 pending_funding_generation.push((temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script));
789 Event::PaymentClaimable { payment_hash, .. } => {
790 //TODO: enhance by fetching random amounts from fuzz input?
791 payments_received.push(payment_hash);
793 Event::PendingHTLCsForwardable {..} => {
794 should_forward = true;
796 Event::HTLCIntercepted { intercept_id, .. } => {
797 if !intercepted_htlcs.contains(&intercept_id) {
798 intercepted_htlcs.push(intercept_id);
807 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
808 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
809 do_test(data, &logger);
813 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
814 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
815 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
820 use bitcoin::hashes::hex::FromHex;
821 use lightning::util::logger::{Logger, Record};
822 use std::collections::HashMap;
823 use std::sync::{Arc, Mutex};
825 struct TrackingLogger {
826 /// (module, message) -> count
827 pub lines: Mutex<HashMap<(String, String), usize>>,
829 impl Logger for TrackingLogger {
830 fn log(&self, record: Record) {
831 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
832 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
836 fn ext_from_hex(hex_with_spaces: &str, out: &mut Vec<u8>) {
837 for hex in hex_with_spaces.split(" ") {
838 out.append(&mut <Vec<u8>>::from_hex(hex).unwrap());
843 fn test_no_existing_test_breakage() {
844 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
845 // changes (such as requesting feerate info in a new place), we run a pretty full
846 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
847 // so this should be updated pretty liberally, but at least we'll know when changes occur.
848 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
850 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
851 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
852 // of the Lightning message
853 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
854 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
856 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
858 let mut test = Vec::new();
860 ext_from_hex("0100000000000000000000000000000000000000000000000000000000000000", &mut test);
862 ext_from_hex("0000000000900000000000000000640001000000000001ffff0000000000000000ffffffffffffffffffffffffffffffff0000000000000000ffffffffffffffff000000ffffffff00ffff1a000400010000020400000000040200000a08ffffffffffffffff0001000000", &mut test);
864 // new outbound connection with id 0
865 ext_from_hex("00", &mut test);
867 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000002", &mut test);
868 // inbound read from peer id 0 of len 50
869 ext_from_hex("030032", &mut test);
870 // noise act two (0||pubkey||mac)
871 ext_from_hex("00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000", &mut test);
873 // inbound read from peer id 0 of len 18
874 ext_from_hex("030012", &mut test);
875 // message header indicating message length 16
876 ext_from_hex("0010 03000000000000000000000000000000", &mut test);
877 // inbound read from peer id 0 of len 32
878 ext_from_hex("030020", &mut test);
879 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
880 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 03000000000000000000000000000000", &mut test);
882 // inbound read from peer id 0 of len 18
883 ext_from_hex("030012", &mut test);
884 // message header indicating message length 327
885 ext_from_hex("0147 03000000000000000000000000000000", &mut test);
886 // inbound read from peer id 0 of len 254
887 ext_from_hex("0300fe", &mut test);
888 // beginning of open_channel message
889 ext_from_hex("0020 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000162 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004", &mut test);
890 // inbound read from peer id 0 of len 89
891 ext_from_hex("030059", &mut test);
892 // rest of open_channel and mac
893 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 0000 01021000 03000000000000000000000000000000", &mut test);
895 // One feerate request returning min feerate, which our open_channel also uses (ingested by FuzzEstimator)
896 ext_from_hex("00fd", &mut test);
897 // client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
899 // inbound read from peer id 0 of len 18
900 ext_from_hex("030012", &mut test);
901 // message header indicating message length 132
902 ext_from_hex("0084 03000000000000000000000000000000", &mut test);
903 // inbound read from peer id 0 of len 148
904 ext_from_hex("030094", &mut test);
905 // funding_created and mac
906 ext_from_hex("0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 00000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
907 // client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
909 // connect a block with one transaction of len 94
910 ext_from_hex("0c005e", &mut test);
911 // the funding transaction
912 ext_from_hex("020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000", &mut test);
913 // connect a block with no transactions, one per line
914 ext_from_hex("0c0000", &mut test);
915 ext_from_hex("0c0000", &mut test);
916 ext_from_hex("0c0000", &mut test);
917 ext_from_hex("0c0000", &mut test);
918 ext_from_hex("0c0000", &mut test);
919 ext_from_hex("0c0000", &mut test);
920 ext_from_hex("0c0000", &mut test);
921 ext_from_hex("0c0000", &mut test);
922 ext_from_hex("0c0000", &mut test);
923 ext_from_hex("0c0000", &mut test);
924 ext_from_hex("0c0000", &mut test);
925 ext_from_hex("0c0000", &mut test);
926 // by now client should have sent a channel_ready (CHECK 3: SendChannelReady to 03000000 for chan 3d000000)
928 // inbound read from peer id 0 of len 18
929 ext_from_hex("030012", &mut test);
930 // message header indicating message length 67
931 ext_from_hex("0043 03000000000000000000000000000000", &mut test);
932 // inbound read from peer id 0 of len 83
933 ext_from_hex("030053", &mut test);
934 // channel_ready and mac
935 ext_from_hex("0024 3d00000000000000000000000000000000000000000000000000000000000000 020800000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
937 // new inbound connection with id 1
938 ext_from_hex("01", &mut test);
939 // inbound read from peer id 1 of len 50
940 ext_from_hex("030132", &mut test);
941 // inbound noise act 1
942 ext_from_hex("0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000", &mut test);
943 // inbound read from peer id 1 of len 66
944 ext_from_hex("030142", &mut test);
945 // inbound noise act 3
946 ext_from_hex("000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000", &mut test);
948 // inbound read from peer id 1 of len 18
949 ext_from_hex("030112", &mut test);
950 // message header indicating message length 16
951 ext_from_hex("0010 01000000000000000000000000000000", &mut test);
952 // inbound read from peer id 1 of len 32
953 ext_from_hex("030120", &mut test);
954 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
955 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 01000000000000000000000000000000", &mut test);
957 // create outbound channel to peer 1 for 50k sat
958 ext_from_hex("05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8", &mut test);
959 // One feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
960 ext_from_hex("00fd", &mut test);
962 // inbound read from peer id 1 of len 18
963 ext_from_hex("030112", &mut test);
964 // message header indicating message length 274
965 ext_from_hex("0112 01000000000000000000000000000000", &mut test);
966 // inbound read from peer id 1 of len 255
967 ext_from_hex("0301ff", &mut test);
968 // beginning of accept_channel
969 ext_from_hex("0021 0000000000000000000000000000000000000000000000000000000000000e05 0000000000000162 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 02660000000000000000000000000000", &mut test);
970 // inbound read from peer id 1 of len 35
971 ext_from_hex("030123", &mut test);
972 // rest of accept_channel and mac
973 ext_from_hex("0000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
975 // create the funding transaction (client should send funding_created now)
976 ext_from_hex("0a", &mut test);
978 // inbound read from peer id 1 of len 18
979 ext_from_hex("030112", &mut test);
980 // message header indicating message length 98
981 ext_from_hex("0062 01000000000000000000000000000000", &mut test);
982 // inbound read from peer id 1 of len 114
983 ext_from_hex("030172", &mut test);
984 // funding_signed message and mac
985 ext_from_hex("0023 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
987 // broadcast funding transaction
988 ext_from_hex("0b", &mut test);
989 // by now client should have sent a channel_ready (CHECK 4: SendChannelReady to 03020000 for chan 3f000000)
991 // inbound read from peer id 1 of len 18
992 ext_from_hex("030112", &mut test);
993 // message header indicating message length 67
994 ext_from_hex("0043 01000000000000000000000000000000", &mut test);
995 // inbound read from peer id 1 of len 83
996 ext_from_hex("030153", &mut test);
997 // channel_ready and mac
998 ext_from_hex("0024 3a00000000000000000000000000000000000000000000000000000000000000 026700000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1000 // inbound read from peer id 0 of len 18
1001 ext_from_hex("030012", &mut test);
1002 // message header indicating message length 1452
1003 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1004 // inbound read from peer id 0 of len 255
1005 ext_from_hex("0300ff", &mut test);
1006 // beginning of update_add_htlc from 0 to 1 via client
1007 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1008 // inbound read from peer id 0 of len 255
1009 ext_from_hex("0300ff", &mut test);
1010 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1011 // inbound read from peer id 0 of len 255
1012 ext_from_hex("0300ff", &mut test);
1013 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1014 // inbound read from peer id 0 of len 255
1015 ext_from_hex("0300ff", &mut test);
1016 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1017 // inbound read from peer id 0 of len 255
1018 ext_from_hex("0300ff", &mut test);
1019 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1020 // inbound read from peer id 0 of len 193
1021 ext_from_hex("0300c1", &mut test);
1022 // end of update_add_htlc from 0 to 1 via client and mac
1023 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1025 // inbound read from peer id 0 of len 18
1026 ext_from_hex("030012", &mut test);
1027 // message header indicating message length 100
1028 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1029 // inbound read from peer id 0 of len 116
1030 ext_from_hex("030074", &mut test);
1031 // commitment_signed and mac
1032 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000300100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1033 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
1035 // inbound read from peer id 0 of len 18
1036 ext_from_hex("030012", &mut test);
1037 // message header indicating message length 99
1038 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1039 // inbound read from peer id 0 of len 115
1040 ext_from_hex("030073", &mut test);
1041 // revoke_and_ack and mac
1042 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0900000000000000000000000000000000000000000000000000000000000000 020b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1044 // process the now-pending HTLC forward
1045 ext_from_hex("07", &mut test);
1046 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: UpdateHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
1048 // we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
1049 // inbound read from peer id 1 of len 18
1050 ext_from_hex("030112", &mut test);
1051 // message header indicating message length 100
1052 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1053 // inbound read from peer id 1 of len 116
1054 ext_from_hex("030174", &mut test);
1055 // commitment_signed and mac
1056 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000006a0001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1058 // inbound read from peer id 1 of len 18
1059 ext_from_hex("030112", &mut test);
1060 // message header indicating message length 99
1061 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1062 // inbound read from peer id 1 of len 115
1063 ext_from_hex("030173", &mut test);
1064 // revoke_and_ack and mac
1065 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6600000000000000000000000000000000000000000000000000000000000000 026400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1067 // inbound read from peer id 1 of len 18
1068 ext_from_hex("030112", &mut test);
1069 // message header indicating message length 74
1070 ext_from_hex("004a 01000000000000000000000000000000", &mut test);
1071 // inbound read from peer id 1 of len 90
1072 ext_from_hex("03015a", &mut test);
1073 // update_fulfill_htlc and mac
1074 ext_from_hex("0082 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000", &mut test);
1075 // client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
1077 // inbound read from peer id 1 of len 18
1078 ext_from_hex("030112", &mut test);
1079 // message header indicating message length 100
1080 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1081 // inbound read from peer id 1 of len 116
1082 ext_from_hex("030174", &mut test);
1083 // commitment_signed and mac
1084 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000100001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1086 // inbound read from peer id 1 of len 18
1087 ext_from_hex("030112", &mut test);
1088 // message header indicating message length 99
1089 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1090 // inbound read from peer id 1 of len 115
1091 ext_from_hex("030173", &mut test);
1092 // revoke_and_ack and mac
1093 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6700000000000000000000000000000000000000000000000000000000000000 026500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1095 // before responding to the commitment_signed generated above, send a new HTLC
1096 // inbound read from peer id 0 of len 18
1097 ext_from_hex("030012", &mut test);
1098 // message header indicating message length 1452
1099 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1100 // inbound read from peer id 0 of len 255
1101 ext_from_hex("0300ff", &mut test);
1102 // beginning of update_add_htlc from 0 to 1 via client
1103 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1104 // inbound read from peer id 0 of len 255
1105 ext_from_hex("0300ff", &mut test);
1106 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1107 // inbound read from peer id 0 of len 255
1108 ext_from_hex("0300ff", &mut test);
1109 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1110 // inbound read from peer id 0 of len 255
1111 ext_from_hex("0300ff", &mut test);
1112 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1113 // inbound read from peer id 0 of len 255
1114 ext_from_hex("0300ff", &mut test);
1115 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1116 // inbound read from peer id 0 of len 193
1117 ext_from_hex("0300c1", &mut test);
1118 // end of update_add_htlc from 0 to 1 via client and mac
1119 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1121 // now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
1122 // inbound read from peer id 0 of len 18
1123 ext_from_hex("030012", &mut test);
1124 // message header indicating message length 99
1125 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1126 // inbound read from peer id 0 of len 115
1127 ext_from_hex("030073", &mut test);
1128 // revoke_and_ack and mac
1129 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0800000000000000000000000000000000000000000000000000000000000000 020a00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1130 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1132 // inbound read from peer id 0 of len 18
1133 ext_from_hex("030012", &mut test);
1134 // message header indicating message length 100
1135 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1136 // inbound read from peer id 0 of len 116
1137 ext_from_hex("030074", &mut test);
1138 // commitment_signed and mac
1139 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000c30100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1141 // inbound read from peer id 0 of len 18
1142 ext_from_hex("030012", &mut test);
1143 // message header indicating message length 99
1144 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1145 // inbound read from peer id 0 of len 115
1146 ext_from_hex("030073", &mut test);
1147 // revoke_and_ack and mac
1148 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0b00000000000000000000000000000000000000000000000000000000000000 020d00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1150 // process the now-pending HTLC forward
1151 ext_from_hex("07", &mut test);
1152 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1153 // we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
1155 // inbound read from peer id 1 of len 18
1156 ext_from_hex("030112", &mut test);
1157 // message header indicating message length 100
1158 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1159 // inbound read from peer id 1 of len 116
1160 ext_from_hex("030174", &mut test);
1161 // commitment_signed and mac
1162 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1164 // inbound read from peer id 1 of len 18
1165 ext_from_hex("030112", &mut test);
1166 // message header indicating message length 99
1167 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1168 // inbound read from peer id 1 of len 115
1169 ext_from_hex("030173", &mut test);
1170 // revoke_and_ack and mac
1171 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6400000000000000000000000000000000000000000000000000000000000000 027000000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1173 // inbound read from peer id 1 of len 18
1174 ext_from_hex("030112", &mut test);
1175 // message header indicating message length 44
1176 ext_from_hex("002c 01000000000000000000000000000000", &mut test);
1177 // inbound read from peer id 1 of len 60
1178 ext_from_hex("03013c", &mut test);
1179 // update_fail_htlc and mac
1180 ext_from_hex("0083 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000", &mut test);
1182 // inbound read from peer id 1 of len 18
1183 ext_from_hex("030112", &mut test);
1184 // message header indicating message length 100
1185 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1186 // inbound read from peer id 1 of len 116
1187 ext_from_hex("030174", &mut test);
1188 // commitment_signed and mac
1189 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1191 // inbound read from peer id 1 of len 18
1192 ext_from_hex("030112", &mut test);
1193 // message header indicating message length 99
1194 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1195 // inbound read from peer id 1 of len 115
1196 ext_from_hex("030173", &mut test);
1197 // revoke_and_ack and mac
1198 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6500000000000000000000000000000000000000000000000000000000000000 027100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1200 // process the now-pending HTLC forward
1201 ext_from_hex("07", &mut test);
1202 // client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
1203 // now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
1205 // inbound read from peer id 0 of len 18
1206 ext_from_hex("030012", &mut test);
1207 // message header indicating message length 99
1208 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1209 // inbound read from peer id 0 of len 115
1210 ext_from_hex("030073", &mut test);
1211 // revoke_and_ack and mac
1212 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0a00000000000000000000000000000000000000000000000000000000000000 020c00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1214 // inbound read from peer id 0 of len 18
1215 ext_from_hex("030012", &mut test);
1216 // message header indicating message length 100
1217 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1218 // inbound read from peer id 0 of len 116
1219 ext_from_hex("030074", &mut test);
1220 // commitment_signed and mac
1221 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000320100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1222 // client should now respond with revoke_and_ack (CHECK 5 duplicate)
1224 // inbound read from peer id 0 of len 18
1225 ext_from_hex("030012", &mut test);
1226 // message header indicating message length 1452
1227 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1228 // inbound read from peer id 0 of len 255
1229 ext_from_hex("0300ff", &mut test);
1230 // beginning of update_add_htlc from 0 to 1 via client
1231 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 12 02030927c0 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1232 // inbound read from peer id 0 of len 255
1233 ext_from_hex("0300ff", &mut test);
1234 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1235 // inbound read from peer id 0 of len 255
1236 ext_from_hex("0300ff", &mut test);
1237 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1238 // inbound read from peer id 0 of len 255
1239 ext_from_hex("0300ff", &mut test);
1240 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1241 // inbound read from peer id 0 of len 255
1242 ext_from_hex("0300ff", &mut test);
1243 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1244 // inbound read from peer id 0 of len 193
1245 ext_from_hex("0300c1", &mut test);
1246 // end of update_add_htlc from 0 to 1 via client and mac
1247 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 5300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1249 // inbound read from peer id 0 of len 18
1250 ext_from_hex("030012", &mut test);
1251 // message header indicating message length 164
1252 ext_from_hex("00a4 03000000000000000000000000000000", &mut test);
1253 // inbound read from peer id 0 of len 180
1254 ext_from_hex("0300b4", &mut test);
1255 // commitment_signed and mac
1256 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000750100000000000000000000000000000000000000000000000000000000000000 0001 00000000000000000000000000000000000000000000000000000000000000670500000000000000000000000000000000000000000000000000000000000006 03000000000000000000000000000000", &mut test);
1257 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1259 // inbound read from peer id 0 of len 18
1260 ext_from_hex("030012", &mut test);
1261 // message header indicating message length 99
1262 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1263 // inbound read from peer id 0 of len 115
1264 ext_from_hex("030073", &mut test);
1265 // revoke_and_ack and mac
1266 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0d00000000000000000000000000000000000000000000000000000000000000 020f00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1268 // process the now-pending HTLC forward
1269 ext_from_hex("07", &mut test);
1270 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1272 // connect a block with one transaction of len 125
1273 ext_from_hex("0c007d", &mut test);
1274 // the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
1275 ext_from_hex("02000000013a000000000000000000000000000000000000000000000000000000000000000000000000000000800258020000000000002200204b0000000000000000000000000000000000000000000000000000000000000014c0000000000000160014280000000000000000000000000000000000000005000020", &mut test);
1277 // connect a block with one transaction of len 94
1278 ext_from_hex("0c005e", &mut test);
1279 // the HTLC timeout transaction
1280 ext_from_hex("0200000001730000000000000000000000000000000000000000000000000000000000000000000000000000000001a701000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000", &mut test);
1281 // connect a block with no transactions
1282 ext_from_hex("0c0000", &mut test);
1283 // connect a block with no transactions
1284 ext_from_hex("0c0000", &mut test);
1285 // connect a block with no transactions
1286 ext_from_hex("0c0000", &mut test);
1287 // connect a block with no transactions
1288 ext_from_hex("0c0000", &mut test);
1289 // connect a block with no transactions
1290 ext_from_hex("0c0000", &mut test);
1292 // process the now-pending HTLC forward
1293 ext_from_hex("07", &mut test);
1294 // client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
1296 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1297 super::do_test(&test, &(Arc::clone(&logger) as Arc<dyn Logger>));
1299 let log_entries = logger.lines.lock().unwrap();
1300 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
1301 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
1302 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
1303 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
1304 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
1305 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
1306 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
1307 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
1308 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
1309 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
1313 fn test_gossip_exchange_breakage() {
1314 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
1315 // changes (such as requesting feerate info in a new place), we exchange some gossip
1316 // messages. Obviously this is pretty finicky, so this should be updated pretty liberally,
1317 // but at least we'll know when changes occur.
1318 // This test serves as a pretty good full_stack_target seed.
1320 // What each byte represents is broken down below, and then everything is concatenated into
1321 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
1323 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
1324 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
1325 // of the Lightning message
1326 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
1327 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
1329 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
1331 let mut test = Vec::new();
1334 ext_from_hex("0100000000000000000000000000000000000000000000000000000000000000", &mut test);
1336 ext_from_hex("0000000000900000000000000000640001000000000001ffff0000000000000000ffffffffffffffffffffffffffffffff0000000000000000ffffffffffffffff000000ffffffff00ffff1a000400010000020400000000040200000a08ffffffffffffffff0001000000", &mut test);
1338 // new outbound connection with id 0
1339 ext_from_hex("00", &mut test);
1341 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000002", &mut test);
1342 // inbound read from peer id 0 of len 50
1343 ext_from_hex("030032", &mut test);
1344 // noise act two (0||pubkey||mac)
1345 ext_from_hex("00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000", &mut test);
1347 // inbound read from peer id 0 of len 18
1348 ext_from_hex("030012", &mut test);
1349 // message header indicating message length 16
1350 ext_from_hex("0010 03000000000000000000000000000000", &mut test);
1351 // inbound read from peer id 0 of len 32
1352 ext_from_hex("030020", &mut test);
1353 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
1354 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 03000000000000000000000000000000", &mut test);
1356 // new inbound connection with id 1
1357 ext_from_hex("01", &mut test);
1358 // inbound read from peer id 1 of len 50
1359 ext_from_hex("030132", &mut test);
1360 // inbound noise act 1
1361 ext_from_hex("0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000", &mut test);
1362 // inbound read from peer id 1 of len 66
1363 ext_from_hex("030142", &mut test);
1364 // inbound noise act 3
1365 ext_from_hex("000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000", &mut test);
1367 // inbound read from peer id 1 of len 18
1368 ext_from_hex("030112", &mut test);
1369 // message header indicating message length 16
1370 ext_from_hex("0010 01000000000000000000000000000000", &mut test);
1371 // inbound read from peer id 1 of len 32
1372 ext_from_hex("030120", &mut test);
1373 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
1374 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 01000000000000000000000000000000", &mut test);
1376 // inbound read from peer id 0 of len 18
1377 ext_from_hex("030012", &mut test);
1378 // message header indicating message length 432
1379 ext_from_hex("01b0 03000000000000000000000000000000", &mut test);
1380 // inbound read from peer id 0 of len 255
1381 ext_from_hex("0300ff", &mut test);
1382 // First part of channel_announcement (type 256)
1383 ext_from_hex("0100 00000000000000000000000000000000000000000000000000000000000000b20303030303030303030303030303030303030303030303030303030303030303 00000000000000000000000000000000000000000000000000000000000000b20202020202020202020202020202020202020202020202020202020202020202 00000000000000000000000000000000000000000000000000000000000000b20303030303030303030303030303030303030303030303030303030303030303 00000000000000000000000000000000000000000000000000000000000000b20202020202020202020202020202020202020202020202020202020202", &mut test);
1384 // inbound read from peer id 0 of len 193
1385 ext_from_hex("0300c1", &mut test);
1386 // Last part of channel_announcement and mac
1387 ext_from_hex("020202 00006fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000000000000000002a030303030303030303030303030303030303030303030303030303030303030303020202020202020202020202020202020202020202020202020202020202020202030303030303030303030303030303030303030303030303030303030303030303020202020202020202020202020202020202020202020202020202020202020202 03000000000000000000000000000000", &mut test);
1389 // inbound read from peer id 0 of len 18
1390 ext_from_hex("030012", &mut test);
1391 // message header indicating message length 138
1392 ext_from_hex("008a 03000000000000000000000000000000", &mut test);
1393 // inbound read from peer id 0 of len 154
1394 ext_from_hex("03009a", &mut test);
1395 // channel_update (type 258) and mac
1396 ext_from_hex("0102 00000000000000000000000000000000000000000000000000000000000000a60303030303030303030303030303030303030303030303030303030303030303 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000 000000000000002a0000002c01000028000000000000000000000000000000000000000005f5e100 03000000000000000000000000000000", &mut test);
1398 // inbound read from peer id 0 of len 18
1399 ext_from_hex("030012", &mut test);
1400 // message header indicating message length 142
1401 ext_from_hex("008e 03000000000000000000000000000000", &mut test);
1402 // inbound read from peer id 0 of len 158
1403 ext_from_hex("03009e", &mut test);
1404 // node_announcement (type 257) and mac
1405 ext_from_hex("0101 00000000000000000000000000000000000000000000000000000000000000280303030303030303030303030303030303030303030303030303030303030303 00000000002b03030303030303030303030303030303030303030303030303030303030303030300000000000000000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1407 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1408 super::do_test(&test, &(Arc::clone(&logger) as Arc<dyn Logger>));
1410 let log_entries = logger.lines.lock().unwrap();
1411 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Sending message to all peers except Some(PublicKey(0000000000000000000000000000000000000000000000000000000000000002ff00000000000000000000000000000000000000000000000000000000000002)) or the announced channel's counterparties: ChannelAnnouncement { node_signature_1: 3026020200b202200303030303030303030303030303030303030303030303030303030303030303, node_signature_2: 3026020200b202200202020202020202020202020202020202020202020202020202020202020202, bitcoin_signature_1: 3026020200b202200303030303030303030303030303030303030303030303030303030303030303, bitcoin_signature_2: 3026020200b202200202020202020202020202020202020202020202020202020202020202020202, contents: UnsignedChannelAnnouncement { features: [], chain_hash: 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000, short_channel_id: 42, node_id_1: NodeId(030303030303030303030303030303030303030303030303030303030303030303), node_id_2: NodeId(020202020202020202020202020202020202020202020202020202020202020202), bitcoin_key_1: NodeId(030303030303030303030303030303030303030303030303030303030303030303), bitcoin_key_2: NodeId(020202020202020202020202020202020202020202020202020202020202020202), excess_data: [] } }".to_string())), Some(&1));
1412 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Sending message to all peers except Some(PublicKey(0000000000000000000000000000000000000000000000000000000000000002ff00000000000000000000000000000000000000000000000000000000000002)): ChannelUpdate { signature: 3026020200a602200303030303030303030303030303030303030303030303030303030303030303, contents: UnsignedChannelUpdate { chain_hash: 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000, short_channel_id: 42, timestamp: 44, flags: 0, cltv_expiry_delta: 40, htlc_minimum_msat: 0, htlc_maximum_msat: 100000000, fee_base_msat: 0, fee_proportional_millionths: 0, excess_data: [] } }".to_string())), Some(&1));
1413 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Sending message to all peers except Some(PublicKey(0000000000000000000000000000000000000000000000000000000000000002ff00000000000000000000000000000000000000000000000000000000000002)) or the announced node: NodeAnnouncement { signature: 302502012802200303030303030303030303030303030303030303030303030303030303030303, contents: UnsignedNodeAnnouncement { features: [], timestamp: 43, node_id: NodeId(030303030303030303030303030303030303030303030303030303030303030303), rgb: [0, 0, 0], alias: NodeAlias([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]), addresses: [], excess_address_data: [], excess_data: [] } }".to_string())), Some(&1));