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::amount::Amount;
17 use bitcoin::blockdata::constants::genesis_block;
18 use bitcoin::blockdata::transaction::{Transaction, TxOut};
19 use bitcoin::blockdata::script::{Builder, ScriptBuf};
20 use bitcoin::blockdata::opcodes;
21 use bitcoin::blockdata::locktime::absolute::LockTime;
22 use bitcoin::consensus::encode::deserialize;
23 use bitcoin::network::Network;
24 use bitcoin::transaction::Version;
26 use bitcoin::WPubkeyHash;
27 use bitcoin::hashes::hex::FromHex;
28 use bitcoin::hashes::Hash as _;
29 use bitcoin::hashes::sha256::Hash as Sha256;
30 use bitcoin::hashes::sha256d::Hash as Sha256dHash;
31 use bitcoin::hash_types::{Txid, BlockHash};
33 use lightning::blinded_path::BlindedPath;
34 use lightning::blinded_path::payment::ReceiveTlvs;
36 use lightning::chain::{BestBlock, ChannelMonitorUpdateStatus, Confirm, Listen};
37 use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
38 use lightning::chain::chainmonitor;
39 use lightning::chain::transaction::OutPoint;
40 use lightning::sign::{InMemorySigner, Recipient, KeyMaterial, EntropySource, NodeSigner, SignerProvider};
41 use lightning::events::Event;
42 use lightning::ln::{ChannelId, PaymentHash, PaymentPreimage, PaymentSecret};
43 use lightning::ln::channel_state::ChannelDetails;
44 use lightning::ln::channelmanager::{ChainParameters, ChannelManager, PaymentId, RecipientOnionFields, Retry, InterceptId};
45 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor,IgnoringMessageHandler};
46 use lightning::ln::msgs::{self, DecodeError};
47 use lightning::ln::script::ShutdownScript;
48 use lightning::ln::functional_test_utils::*;
49 use lightning::offers::invoice::{BlindedPayInfo, UnsignedBolt12Invoice};
50 use lightning::offers::invoice_request::UnsignedInvoiceRequest;
51 use lightning::onion_message::messenger::{Destination, MessageRouter, OnionMessagePath};
52 use lightning::routing::gossip::{P2PGossipSync, NetworkGraph};
53 use lightning::routing::utxo::UtxoLookup;
54 use lightning::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteParameters, Router};
55 use lightning::util::config::{ChannelConfig, UserConfig};
56 use lightning::util::hash_tables::*;
57 use lightning::util::errors::APIError;
58 use lightning::util::test_channel_signer::{TestChannelSigner, EnforcementState};
59 use lightning::util::logger::Logger;
60 use lightning::util::ser::{Readable, ReadableArgs, Writeable};
62 use crate::utils::test_logger;
63 use crate::utils::test_persister::TestPersister;
65 use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1, self};
66 use bitcoin::secp256k1::ecdh::SharedSecret;
67 use bitcoin::secp256k1::ecdsa::{RecoverableSignature, Signature};
68 use bitcoin::secp256k1::schnorr;
70 use std::cell::RefCell;
71 use std::convert::TryInto;
73 use std::sync::{Arc, Mutex};
74 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
78 pub fn slice_to_be16(v: &[u8]) -> u16 {
79 ((v[0] as u16) << 8*1) |
80 ((v[1] as u16) << 8*0)
84 pub fn be16_to_array(u: u16) -> [u8; 2] {
86 v[0] = ((u >> 8*1) & 0xff) as u8;
87 v[1] = ((u >> 8*0) & 0xff) as u8;
92 pub fn slice_to_be24(v: &[u8]) -> u32 {
93 ((v[0] as u32) << 8*2) |
94 ((v[1] as u32) << 8*1) |
95 ((v[2] as u32) << 8*0)
100 read_pos: AtomicUsize,
103 fn get_slice(&self, len: usize) -> Option<&[u8]> {
104 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
105 if self.data.len() < old_pos + len {
108 Some(&self.data[old_pos..old_pos + len])
111 impl std::io::Read for &InputData {
112 fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
113 if let Some(sl) = self.get_slice(buf.len()) {
114 buf.copy_from_slice(sl);
122 struct FuzzEstimator {
123 input: Arc<InputData>,
125 impl FeeEstimator for FuzzEstimator {
126 fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
127 //TODO: We should actually be testing at least much more than 64k...
128 match self.input.get_slice(2) {
129 Some(slice) => cmp::max(slice_to_be16(slice) as u32, 253),
137 impl Router for FuzzRouter {
139 &self, _payer: &PublicKey, _params: &RouteParameters, _first_hops: Option<&[&ChannelDetails]>,
140 _inflight_htlcs: InFlightHtlcs
141 ) -> Result<Route, msgs::LightningError> {
142 Err(msgs::LightningError {
143 err: String::from("Not implemented"),
144 action: msgs::ErrorAction::IgnoreError
148 fn create_blinded_payment_paths<T: secp256k1::Signing + secp256k1::Verification>(
149 &self, _recipient: PublicKey, _first_hops: Vec<ChannelDetails>, _tlvs: ReceiveTlvs,
150 _amount_msats: u64, _secp_ctx: &Secp256k1<T>,
151 ) -> Result<Vec<(BlindedPayInfo, BlindedPath)>, ()> {
156 impl MessageRouter for FuzzRouter {
158 &self, _sender: PublicKey, _peers: Vec<PublicKey>, _destination: Destination
159 ) -> Result<OnionMessagePath, ()> {
163 fn create_blinded_paths<T: secp256k1::Signing + secp256k1::Verification>(
164 &self, _recipient: PublicKey, _peers: Vec<PublicKey>, _secp_ctx: &Secp256k1<T>,
165 ) -> Result<Vec<BlindedPath>, ()> {
170 struct TestBroadcaster {
171 txn_broadcasted: Mutex<Vec<Transaction>>,
173 impl BroadcasterInterface for TestBroadcaster {
174 fn broadcast_transactions(&self, txs: &[&Transaction]) {
175 let owned_txs: Vec<Transaction> = txs.iter().map(|tx| (*tx).clone()).collect();
176 self.txn_broadcasted.lock().unwrap().extend(owned_txs);
183 peers_connected: &'a RefCell<[bool; 256]>,
185 impl<'a> SocketDescriptor for Peer<'a> {
186 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
189 fn disconnect_socket(&mut self) {
190 assert!(self.peers_connected.borrow()[self.id as usize]);
191 self.peers_connected.borrow_mut()[self.id as usize] = false;
194 impl<'a> PartialEq for Peer<'a> {
195 fn eq(&self, other: &Self) -> bool {
199 impl<'a> Eq for Peer<'a> {}
200 impl<'a> std::hash::Hash for Peer<'a> {
201 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
206 type ChannelMan<'a> = ChannelManager<
207 Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
208 Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<FuzzEstimator>, &'a FuzzRouter, Arc<dyn Logger>>;
209 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>>;
211 struct MoneyLossDetector<'a> {
212 manager: Arc<ChannelMan<'a>>,
213 monitor: Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
214 handler: PeerMan<'a>,
216 peers: &'a RefCell<[bool; 256]>,
217 funding_txn: Vec<Transaction>,
218 txids_confirmed: HashMap<Txid, usize>,
219 header_hashes: Vec<(BlockHash, u32)>,
222 blocks_connected: u32,
223 error_message: String,
225 impl<'a> MoneyLossDetector<'a> {
226 pub fn new(peers: &'a RefCell<[bool; 256]>,
227 manager: Arc<ChannelMan<'a>>,
228 monitor: Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
229 handler: PeerMan<'a>) -> Self {
236 funding_txn: Vec::new(),
237 txids_confirmed: new_hash_map(),
238 header_hashes: vec![(genesis_block(Network::Bitcoin).block_hash(), 0)],
242 error_message: "Channel force-closed".to_string(),
246 fn connect_block(&mut self, all_txn: &[Transaction]) {
247 let mut txdata = Vec::with_capacity(all_txn.len());
248 for (idx, tx) in all_txn.iter().enumerate() {
249 let txid = tx.txid();
250 self.txids_confirmed.entry(txid).or_insert_with(|| {
251 txdata.push((idx + 1, tx));
256 self.blocks_connected += 1;
257 let header = create_dummy_header(self.header_hashes[self.height].0, self.blocks_connected);
259 self.manager.transactions_confirmed(&header, &txdata, self.height as u32);
260 self.manager.best_block_updated(&header, self.height as u32);
261 (*self.monitor).transactions_confirmed(&header, &txdata, self.height as u32);
262 (*self.monitor).best_block_updated(&header, self.height as u32);
263 if self.header_hashes.len() > self.height {
264 self.header_hashes[self.height] = (header.block_hash(), self.blocks_connected);
266 assert_eq!(self.header_hashes.len(), self.height);
267 self.header_hashes.push((header.block_hash(), self.blocks_connected));
269 self.max_height = cmp::max(self.height, self.max_height);
272 fn disconnect_block(&mut self) {
273 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
274 let header = create_dummy_header(self.header_hashes[self.height - 1].0, self.header_hashes[self.height].1);
275 self.manager.block_disconnected(&header, self.height as u32);
276 self.monitor.block_disconnected(&header, self.height as u32);
278 let removal_height = self.height;
279 self.txids_confirmed.retain(|_, height| {
280 removal_height != *height
286 impl<'a> Drop for MoneyLossDetector<'a> {
288 if !::std::thread::panicking() {
289 // Disconnect all peers
290 for (idx, peer) in self.peers.borrow().iter().enumerate() {
292 self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
296 // Force all channels onto the chain (and time out claim txn)
297 self.manager.force_close_all_channels_broadcasting_latest_txn(self.error_message.to_string());
303 node_secret: SecretKey,
304 inbound_payment_key: KeyMaterial,
306 signer_state: RefCell<HashMap<u8, (bool, Arc<Mutex<EnforcementState>>)>>
309 impl EntropySource for KeyProvider {
310 fn get_secure_random_bytes(&self) -> [u8; 32] {
311 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
312 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
313 (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]
317 impl NodeSigner for KeyProvider {
318 fn get_node_id(&self, recipient: Recipient) -> Result<PublicKey, ()> {
319 let node_secret = match recipient {
320 Recipient::Node => Ok(&self.node_secret),
321 Recipient::PhantomNode => Err(())
323 Ok(PublicKey::from_secret_key(&Secp256k1::signing_only(), node_secret))
326 fn ecdh(&self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&Scalar>) -> Result<SharedSecret, ()> {
327 let mut node_secret = match recipient {
328 Recipient::Node => Ok(self.node_secret.clone()),
329 Recipient::PhantomNode => Err(())
331 if let Some(tweak) = tweak {
332 node_secret = node_secret.mul_tweak(tweak).map_err(|_| ())?;
334 Ok(SharedSecret::new(other_key, &node_secret))
337 fn get_inbound_payment_key_material(&self) -> KeyMaterial {
338 self.inbound_payment_key.clone()
341 fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
345 fn sign_bolt12_invoice_request(
346 &self, _invoice_request: &UnsignedInvoiceRequest
347 ) -> Result<schnorr::Signature, ()> {
351 fn sign_bolt12_invoice(
352 &self, _invoice: &UnsignedBolt12Invoice,
353 ) -> Result<schnorr::Signature, ()> {
357 fn sign_gossip_message(&self, msg: lightning::ln::msgs::UnsignedGossipMessage) -> Result<Signature, ()> {
358 let msg_hash = Message::from_digest(Sha256dHash::hash(&msg.encode()[..]).to_byte_array());
359 let secp_ctx = Secp256k1::signing_only();
360 Ok(secp_ctx.sign_ecdsa(&msg_hash, &self.node_secret))
364 impl SignerProvider for KeyProvider {
365 type EcdsaSigner = TestChannelSigner;
367 type TaprootSigner = TestChannelSigner;
369 fn generate_channel_keys_id(&self, inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128) -> [u8; 32] {
370 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
371 self.signer_state.borrow_mut().insert(ctr, (inbound, Arc::new(Mutex::new(EnforcementState::new()))));
375 fn derive_channel_signer(&self, channel_value_satoshis: u64, channel_keys_id: [u8; 32]) -> Self::EcdsaSigner {
376 let secp_ctx = Secp256k1::signing_only();
377 let ctr = channel_keys_id[0];
378 let (inbound, state) = self.signer_state.borrow().get(&ctr).unwrap().clone();
379 TestChannelSigner::new_with_revoked(if inbound {
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, 1, 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, 2, ctr]).unwrap(),
384 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(),
385 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(),
386 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(),
387 [0, 0, 0, 0, 0, 0, 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],
388 channel_value_satoshis,
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, 7, 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, 8, ctr]).unwrap(),
397 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(),
398 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(),
399 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(),
400 [0, 0, 0, 0, 0, 0, 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],
401 channel_value_satoshis,
408 fn read_chan_signer(&self, mut data: &[u8]) -> Result<TestChannelSigner, DecodeError> {
409 let inner: InMemorySigner = ReadableArgs::read(&mut data, self)?;
410 let state = Arc::new(Mutex::new(EnforcementState::new()));
412 Ok(TestChannelSigner::new_with_revoked(
419 fn get_destination_script(&self, _channel_keys_id: [u8; 32]) -> Result<ScriptBuf, ()> {
420 let secp_ctx = Secp256k1::signing_only();
421 let channel_monitor_claim_key = SecretKey::from_slice(&<Vec<u8>>::from_hex("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
422 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
423 Ok(Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(our_channel_monitor_claim_key_hash).into_script())
426 fn get_shutdown_scriptpubkey(&self) -> Result<ShutdownScript, ()> {
427 let secp_ctx = Secp256k1::signing_only();
428 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();
429 let pubkey_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &secret_key).serialize());
430 Ok(ShutdownScript::new_p2wpkh(&pubkey_hash))
435 pub fn do_test(mut data: &[u8], logger: &Arc<dyn Logger>) {
436 if data.len() < 32 { return; }
438 let our_network_key = match SecretKey::from_slice(&data[..32]) {
444 let config: UserConfig = if let Ok(config) = Readable::read(&mut data) { config } else { return; };
446 let input = Arc::new(InputData {
448 read_pos: AtomicUsize::new(0),
450 let fee_est = Arc::new(FuzzEstimator {
451 input: input.clone(),
453 let router = FuzzRouter {};
455 macro_rules! get_slice {
457 match input.get_slice($len as usize) {
458 Some(slice) => slice,
464 macro_rules! get_bytes {
466 let mut res = [0; $len];
467 match input.get_slice($len as usize) {
468 Some(slice) => res.copy_from_slice(slice),
475 macro_rules! get_pubkey {
477 match PublicKey::from_slice(get_slice!(33)) {
485 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];
487 let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
488 let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(),
489 Arc::new(TestPersister { update_ret: Mutex::new(ChannelMonitorUpdateStatus::Completed) })));
491 let keys_manager = Arc::new(KeyProvider {
492 node_secret: our_network_key.clone(),
493 inbound_payment_key: KeyMaterial(inbound_payment_key.try_into().unwrap()),
494 counter: AtomicU64::new(0),
495 signer_state: RefCell::new(new_hash_map())
497 let network = Network::Bitcoin;
498 let best_block_timestamp = genesis_block(network).header.time;
499 let params = ChainParameters {
501 best_block: BestBlock::from_network(network),
503 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));
504 // Adding new calls to `EntropySource::get_secure_random_bytes` during startup can change all the
505 // keys subsequently generated in this test. Rather than regenerating all the messages manually,
506 // it's easier to just increment the counter here so the keys don't change.
507 keys_manager.counter.fetch_sub(3, Ordering::AcqRel);
508 let network_graph = Arc::new(NetworkGraph::new(network, Arc::clone(&logger)));
509 let gossip_sync = Arc::new(P2PGossipSync::new(Arc::clone(&network_graph), None, Arc::clone(&logger)));
511 let peers = RefCell::new([false; 256]);
512 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
513 chan_handler: channelmanager.clone(),
514 route_handler: gossip_sync.clone(),
515 onion_message_handler: IgnoringMessageHandler {},
516 custom_message_handler: IgnoringMessageHandler {},
517 }, 0, &[0, 0, 0, 0, 0, 0, 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()));
519 let mut should_forward = false;
520 let mut payments_received: Vec<PaymentHash> = Vec::new();
521 let mut intercepted_htlcs: Vec<InterceptId> = Vec::new();
522 let mut payments_sent: u16 = 0;
523 let mut pending_funding_generation: Vec<(ChannelId, PublicKey, u64, ScriptBuf)> = Vec::new();
524 let mut pending_funding_signatures = new_hash_map();
527 match get_slice!(1)[0] {
531 if !peers.borrow()[i-1] {
536 if new_id == 0 { return; }
537 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
538 peers.borrow_mut()[new_id - 1] = true;
543 if !peers.borrow()[i-1] {
548 if new_id == 0 { return; }
549 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
550 peers.borrow_mut()[new_id - 1] = true;
553 let peer_id = get_slice!(1)[0];
554 if !peers.borrow()[peer_id as usize] { return; }
555 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
556 peers.borrow_mut()[peer_id as usize] = false;
559 let peer_id = get_slice!(1)[0];
560 if !peers.borrow()[peer_id as usize] { return; }
561 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
562 Ok(res) => assert!(!res),
563 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
567 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
568 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
569 let params = RouteParameters::from_payment_params_and_value(
570 payment_params, final_value_msat);
571 let mut payment_hash = PaymentHash([0; 32]);
572 payment_hash.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
573 payment_hash.0 = Sha256::hash(&payment_hash.0[..]).to_byte_array();
575 let _ = channelmanager.send_payment(
576 payment_hash, RecipientOnionFields::spontaneous_empty(),
577 PaymentId(payment_hash.0), params, Retry::Attempts(2)
581 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
582 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
583 let params = RouteParameters::from_payment_params_and_value(
584 payment_params, final_value_msat);
585 let mut payment_hash = PaymentHash([0; 32]);
586 payment_hash.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
587 payment_hash.0 = Sha256::hash(&payment_hash.0[..]).to_byte_array();
589 let mut payment_secret = PaymentSecret([0; 32]);
590 payment_secret.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
592 let _ = channelmanager.send_payment(
593 payment_hash, RecipientOnionFields::secret_only(payment_secret),
594 PaymentId(payment_hash.0), params, Retry::Attempts(2)
598 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
599 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
600 let params = RouteParameters::from_payment_params_and_value(
601 payment_params, final_value_msat);
602 let _ = channelmanager.send_preflight_probes(params, None);
605 let idx = u16::from_be_bytes(get_bytes!(2)) % cmp::max(payments_sent, 1);
606 let mut payment_id = PaymentId([0; 32]);
607 payment_id.0[0..2].copy_from_slice(&idx.to_be_bytes());
608 channelmanager.abandon_payment(payment_id);
611 let peer_id = get_slice!(1)[0];
612 if !peers.borrow()[peer_id as usize] { return; }
613 let their_key = get_pubkey!();
614 let chan_value = slice_to_be24(get_slice!(3)) as u64;
615 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
616 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None, None).is_err() { return; }
619 let mut channels = channelmanager.list_channels();
620 let channel_id = get_slice!(1)[0] as usize;
621 if channel_id >= channels.len() { return; }
622 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
623 if channelmanager.close_channel(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).is_err() { return; }
627 channelmanager.process_pending_htlc_forwards();
628 should_forward = false;
632 for payment in payments_received.drain(..) {
633 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
634 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
635 // fulfill this HTLC, but if they are, we can just take the first byte and
636 // place that anywhere in our preimage.
637 if &payment.0[1..] != &[0; 31] {
638 channelmanager.fail_htlc_backwards(&payment);
640 let mut payment_preimage = PaymentPreimage([0; 32]);
641 payment_preimage.0[0] = payment.0[0];
642 channelmanager.claim_funds(payment_preimage);
647 let payment_preimage = PaymentPreimage(keys_manager.get_secure_random_bytes());
648 let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0[..]).to_byte_array());
649 // Note that this may fail - our hashes may collide and we'll end up trying to
650 // double-register the same payment_hash.
651 let _ = channelmanager.create_inbound_payment_for_hash(payment_hash, None, 1, None);
654 for payment in payments_received.drain(..) {
655 channelmanager.fail_htlc_backwards(&payment);
659 let mut tx = Transaction { version: Version(0), lock_time: LockTime::ZERO, input: Vec::new(), output: Vec::new() };
660 let mut channels = Vec::new();
661 for funding_generation in pending_funding_generation.drain(..) {
663 value: Amount::from_sat(funding_generation.2), script_pubkey: funding_generation.3,
665 if !tx.output.contains(&txout) {
666 tx.output.push(txout);
667 channels.push((funding_generation.0, funding_generation.1));
670 // Once we switch to V2 channel opens we should be able to drop this entirely as
671 // channel_ids no longer change when we set the funding tx.
673 if tx.version.0 > 0xff {
676 let funding_txid = tx.txid();
677 if loss_detector.txids_confirmed.get(&funding_txid).is_none() {
678 let outpoint = OutPoint { txid: funding_txid, index: 0 };
679 for chan in channelmanager.list_channels() {
680 if chan.channel_id == ChannelId::v1_from_funding_outpoint(outpoint) {
681 tx.version = Version(tx.version.0 + 1);
682 continue 'search_loop;
687 tx.version = Version(tx.version.0 + 1);
689 if tx.version.0 <= 0xff && !channels.is_empty() {
690 let chans = channels.iter().map(|(a, b)| (a, b)).collect::<Vec<_>>();
691 if let Err(e) = channelmanager.batch_funding_transaction_generated(&chans, tx.clone()) {
692 // It's possible the channel has been closed in the mean time, but any other
693 // failure may be a bug.
694 if let APIError::ChannelUnavailable { .. } = e { } else { panic!(); }
696 let funding_txid = tx.txid();
697 for idx in 0..tx.output.len() {
698 let outpoint = OutPoint { txid: funding_txid, index: idx as u16 };
699 pending_funding_signatures.insert(outpoint, tx.clone());
704 let mut txn = broadcast.txn_broadcasted.lock().unwrap().split_off(0);
706 loss_detector.connect_block(&txn[..]);
708 loss_detector.connect_block(&[]);
711 for tx in txn.drain(..) {
712 loss_detector.funding_txn.push(tx);
716 let txlen = u16::from_be_bytes(get_bytes!(2));
718 loss_detector.connect_block(&[]);
720 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
721 if let Ok(tx) = txres {
722 let mut output_val = Amount::ZERO;
723 for out in tx.output.iter() {
724 if out.value > Amount::MAX_MONEY { return; }
725 output_val += out.value;
726 if output_val > Amount::MAX_MONEY { return; }
728 loss_detector.connect_block(&[tx]);
735 loss_detector.disconnect_block();
738 let mut channels = channelmanager.list_channels();
739 let channel_id = get_slice!(1)[0] as usize;
740 let error_message = "Channel force-closed";
741 if channel_id >= channels.len() { return; }
742 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
743 channelmanager.force_close_broadcasting_latest_txn(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id, error_message.to_string()).unwrap();
745 // 15, 16, 17, 18 is above
747 let mut list = loss_detector.handler.list_peers();
748 list.sort_by_key(|v| v.counterparty_node_id);
749 if let Some(peer_details) = list.get(0) {
750 loss_detector.handler.disconnect_by_node_id(peer_details.counterparty_node_id);
753 20 => loss_detector.handler.disconnect_all_peers(),
754 21 => loss_detector.handler.timer_tick_occurred(),
756 loss_detector.handler.broadcast_node_announcement([42; 3], [43; 32], Vec::new()),
757 32 => channelmanager.timer_tick_occurred(),
759 for id in intercepted_htlcs.drain(..) {
760 channelmanager.fail_intercepted_htlc(id).unwrap();
764 let amt = u64::from_be_bytes(get_bytes!(8));
765 let chans = channelmanager.list_channels();
766 for id in intercepted_htlcs.drain(..) {
767 if chans.is_empty() {
768 channelmanager.fail_intercepted_htlc(id).unwrap();
770 let chan = &chans[amt as usize % chans.len()];
771 channelmanager.forward_intercepted_htlc(id, &chan.channel_id, chan.counterparty.node_id, amt).unwrap();
776 let config: ChannelConfig =
777 if let Ok(c) = Readable::read(&mut &*input) { c } else { return; };
778 let chans = channelmanager.list_channels();
779 if let Some(chan) = chans.get(0) {
780 let _ = channelmanager.update_channel_config(
781 &chan.counterparty.node_id, &[chan.channel_id], &config
787 loss_detector.handler.process_events();
788 for event in loss_detector.manager.get_and_clear_pending_events() {
790 Event::FundingGenerationReady { temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script, .. } => {
791 pending_funding_generation.push((temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script));
793 Event::PaymentClaimable { payment_hash, .. } => {
794 //TODO: enhance by fetching random amounts from fuzz input?
795 payments_received.push(payment_hash);
797 Event::PendingHTLCsForwardable {..} => {
798 should_forward = true;
800 Event::HTLCIntercepted { intercept_id, .. } => {
801 if !intercepted_htlcs.contains(&intercept_id) {
802 intercepted_htlcs.push(intercept_id);
811 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
812 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
813 do_test(data, &logger);
817 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
818 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
819 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
824 use bitcoin::hashes::hex::FromHex;
825 use lightning::util::logger::{Logger, Record};
826 use std::collections::HashMap;
827 use std::sync::{Arc, Mutex};
829 struct TrackingLogger {
830 /// (module, message) -> count
831 pub lines: Mutex<HashMap<(String, String), usize>>,
833 impl Logger for TrackingLogger {
834 fn log(&self, record: Record) {
835 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
836 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
840 fn ext_from_hex(hex_with_spaces: &str, out: &mut Vec<u8>) {
841 for hex in hex_with_spaces.split(" ") {
842 out.append(&mut <Vec<u8>>::from_hex(hex).unwrap());
847 fn test_no_existing_test_breakage() {
848 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
849 // changes (such as requesting feerate info in a new place), we run a pretty full
850 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
851 // so this should be updated pretty liberally, but at least we'll know when changes occur.
852 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
854 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
855 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
856 // of the Lightning message
857 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
858 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
860 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
862 let mut test = Vec::new();
864 ext_from_hex("0100000000000000000000000000000000000000000000000000000000000000", &mut test);
866 ext_from_hex("0000000000900000000000000000640001000000000001ffff0000000000000000ffffffffffffffffffffffffffffffff0000000000000000ffffffffffffffff000000ffffffff00ffff1a000400010000020400000000040200000a08ffffffffffffffff0001000000", &mut test);
868 // new outbound connection with id 0
869 ext_from_hex("00", &mut test);
871 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000002", &mut test);
872 // inbound read from peer id 0 of len 50
873 ext_from_hex("030032", &mut test);
874 // noise act two (0||pubkey||mac)
875 ext_from_hex("00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000", &mut test);
877 // inbound read from peer id 0 of len 18
878 ext_from_hex("030012", &mut test);
879 // message header indicating message length 16
880 ext_from_hex("0010 03000000000000000000000000000000", &mut test);
881 // inbound read from peer id 0 of len 32
882 ext_from_hex("030020", &mut test);
883 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
884 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 03000000000000000000000000000000", &mut test);
886 // inbound read from peer id 0 of len 18
887 ext_from_hex("030012", &mut test);
888 // message header indicating message length 327
889 ext_from_hex("0147 03000000000000000000000000000000", &mut test);
890 // inbound read from peer id 0 of len 254
891 ext_from_hex("0300fe", &mut test);
892 // beginning of open_channel message
893 ext_from_hex("0020 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000162 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004", &mut test);
894 // inbound read from peer id 0 of len 89
895 ext_from_hex("030059", &mut test);
896 // rest of open_channel and mac
897 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 0000 01021000 03000000000000000000000000000000", &mut test);
899 // One feerate request returning min feerate, which our open_channel also uses (ingested by FuzzEstimator)
900 ext_from_hex("00fd", &mut test);
901 // client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
903 // inbound read from peer id 0 of len 18
904 ext_from_hex("030012", &mut test);
905 // message header indicating message length 132
906 ext_from_hex("0084 03000000000000000000000000000000", &mut test);
907 // inbound read from peer id 0 of len 148
908 ext_from_hex("030094", &mut test);
909 // funding_created and mac
910 ext_from_hex("0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 00000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
911 // client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
913 // connect a block with one transaction of len 94
914 ext_from_hex("0c005e", &mut test);
915 // the funding transaction
916 ext_from_hex("020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000", &mut test);
917 // connect a block with no transactions, one per line
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 ext_from_hex("0c0000", &mut test);
927 ext_from_hex("0c0000", &mut test);
928 ext_from_hex("0c0000", &mut test);
929 ext_from_hex("0c0000", &mut test);
930 // by now client should have sent a channel_ready (CHECK 3: SendChannelReady to 03000000 for chan 3d000000)
932 // inbound read from peer id 0 of len 18
933 ext_from_hex("030012", &mut test);
934 // message header indicating message length 67
935 ext_from_hex("0043 03000000000000000000000000000000", &mut test);
936 // inbound read from peer id 0 of len 83
937 ext_from_hex("030053", &mut test);
938 // channel_ready and mac
939 ext_from_hex("0024 3d00000000000000000000000000000000000000000000000000000000000000 020800000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
941 // new inbound connection with id 1
942 ext_from_hex("01", &mut test);
943 // inbound read from peer id 1 of len 50
944 ext_from_hex("030132", &mut test);
945 // inbound noise act 1
946 ext_from_hex("0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000", &mut test);
947 // inbound read from peer id 1 of len 66
948 ext_from_hex("030142", &mut test);
949 // inbound noise act 3
950 ext_from_hex("000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000", &mut test);
952 // inbound read from peer id 1 of len 18
953 ext_from_hex("030112", &mut test);
954 // message header indicating message length 16
955 ext_from_hex("0010 01000000000000000000000000000000", &mut test);
956 // inbound read from peer id 1 of len 32
957 ext_from_hex("030120", &mut test);
958 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
959 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 01000000000000000000000000000000", &mut test);
961 // create outbound channel to peer 1 for 50k sat
962 ext_from_hex("05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8", &mut test);
963 // One feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
964 ext_from_hex("00fd", &mut test);
966 // inbound read from peer id 1 of len 18
967 ext_from_hex("030112", &mut test);
968 // message header indicating message length 274
969 ext_from_hex("0112 01000000000000000000000000000000", &mut test);
970 // inbound read from peer id 1 of len 255
971 ext_from_hex("0301ff", &mut test);
972 // beginning of accept_channel
973 ext_from_hex("0021 0000000000000000000000000000000000000000000000000000000000000e05 0000000000000162 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 02660000000000000000000000000000", &mut test);
974 // inbound read from peer id 1 of len 35
975 ext_from_hex("030123", &mut test);
976 // rest of accept_channel and mac
977 ext_from_hex("0000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
979 // create the funding transaction (client should send funding_created now)
980 ext_from_hex("0a", &mut test);
981 // Two feerate requests to check the dust exposure on the initial commitment tx
982 ext_from_hex("00fd00fd", &mut test);
984 // inbound read from peer id 1 of len 18
985 ext_from_hex("030112", &mut test);
986 // message header indicating message length 98
987 ext_from_hex("0062 01000000000000000000000000000000", &mut test);
988 // inbound read from peer id 1 of len 114
989 ext_from_hex("030172", &mut test);
990 // funding_signed message and mac
991 ext_from_hex("0023 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
993 // broadcast funding transaction
994 ext_from_hex("0b", &mut test);
995 // by now client should have sent a channel_ready (CHECK 4: SendChannelReady to 03020000 for chan 3f000000)
997 // inbound read from peer id 1 of len 18
998 ext_from_hex("030112", &mut test);
999 // message header indicating message length 67
1000 ext_from_hex("0043 01000000000000000000000000000000", &mut test);
1001 // inbound read from peer id 1 of len 83
1002 ext_from_hex("030153", &mut test);
1003 // channel_ready and mac
1004 ext_from_hex("0024 3a00000000000000000000000000000000000000000000000000000000000000 026700000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1006 // inbound read from peer id 0 of len 18
1007 ext_from_hex("030012", &mut test);
1008 // message header indicating message length 1452
1009 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1010 // inbound read from peer id 0 of len 255
1011 ext_from_hex("0300ff", &mut test);
1012 // beginning of update_add_htlc from 0 to 1 via client
1013 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &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 255
1021 ext_from_hex("0300ff", &mut test);
1022 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1023 // inbound read from peer id 0 of len 255
1024 ext_from_hex("0300ff", &mut test);
1025 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1026 // inbound read from peer id 0 of len 193
1027 ext_from_hex("0300c1", &mut test);
1028 // end of update_add_htlc from 0 to 1 via client and mac
1029 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1031 // Two feerate requests to check dust exposure
1032 ext_from_hex("00fd00fd", &mut test);
1034 // inbound read from peer id 0 of len 18
1035 ext_from_hex("030012", &mut test);
1036 // message header indicating message length 100
1037 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1038 // inbound read from peer id 0 of len 116
1039 ext_from_hex("030074", &mut test);
1040 // commitment_signed and mac
1041 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000300100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1042 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
1044 // inbound read from peer id 0 of len 18
1045 ext_from_hex("030012", &mut test);
1046 // message header indicating message length 99
1047 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1048 // inbound read from peer id 0 of len 115
1049 ext_from_hex("030073", &mut test);
1050 // revoke_and_ack and mac
1051 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0900000000000000000000000000000000000000000000000000000000000000 020b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1053 // process the now-pending HTLC forward
1054 ext_from_hex("07", &mut test);
1055 // Two feerate requests to check dust exposure
1056 ext_from_hex("00fd00fd", &mut test);
1057 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: UpdateHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
1059 // we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
1060 // inbound read from peer id 1 of len 18
1061 ext_from_hex("030112", &mut test);
1062 // message header indicating message length 100
1063 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1064 // inbound read from peer id 1 of len 116
1065 ext_from_hex("030174", &mut test);
1066 // commitment_signed and mac
1067 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000006a0001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1069 // inbound read from peer id 1 of len 18
1070 ext_from_hex("030112", &mut test);
1071 // message header indicating message length 99
1072 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1073 // inbound read from peer id 1 of len 115
1074 ext_from_hex("030173", &mut test);
1075 // revoke_and_ack and mac
1076 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6600000000000000000000000000000000000000000000000000000000000000 026400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1078 // inbound read from peer id 1 of len 18
1079 ext_from_hex("030112", &mut test);
1080 // message header indicating message length 74
1081 ext_from_hex("004a 01000000000000000000000000000000", &mut test);
1082 // inbound read from peer id 1 of len 90
1083 ext_from_hex("03015a", &mut test);
1084 // update_fulfill_htlc and mac
1085 ext_from_hex("0082 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000", &mut test);
1086 // client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
1088 // inbound read from peer id 1 of len 18
1089 ext_from_hex("030112", &mut test);
1090 // message header indicating message length 100
1091 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1092 // inbound read from peer id 1 of len 116
1093 ext_from_hex("030174", &mut test);
1094 // commitment_signed and mac
1095 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000100001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1097 // inbound read from peer id 1 of len 18
1098 ext_from_hex("030112", &mut test);
1099 // message header indicating message length 99
1100 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1101 // inbound read from peer id 1 of len 115
1102 ext_from_hex("030173", &mut test);
1103 // revoke_and_ack and mac
1104 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6700000000000000000000000000000000000000000000000000000000000000 026500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1106 // before responding to the commitment_signed generated above, send a new HTLC
1107 // inbound read from peer id 0 of len 18
1108 ext_from_hex("030012", &mut test);
1109 // message header indicating message length 1452
1110 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1111 // inbound read from peer id 0 of len 255
1112 ext_from_hex("0300ff", &mut test);
1113 // beginning of update_add_htlc from 0 to 1 via client
1114 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1115 // inbound read from peer id 0 of len 255
1116 ext_from_hex("0300ff", &mut test);
1117 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1118 // inbound read from peer id 0 of len 255
1119 ext_from_hex("0300ff", &mut test);
1120 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1121 // inbound read from peer id 0 of len 255
1122 ext_from_hex("0300ff", &mut test);
1123 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1124 // inbound read from peer id 0 of len 255
1125 ext_from_hex("0300ff", &mut test);
1126 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1127 // inbound read from peer id 0 of len 193
1128 ext_from_hex("0300c1", &mut test);
1129 // end of update_add_htlc from 0 to 1 via client and mac
1130 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1132 // Two feerate requests to check dust exposure
1133 ext_from_hex("00fd00fd", &mut test);
1135 // now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
1136 // inbound read from peer id 0 of len 18
1137 ext_from_hex("030012", &mut test);
1138 // message header indicating message length 99
1139 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1140 // inbound read from peer id 0 of len 115
1141 ext_from_hex("030073", &mut test);
1142 // revoke_and_ack and mac
1143 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0800000000000000000000000000000000000000000000000000000000000000 020a00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1144 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1146 // inbound read from peer id 0 of len 18
1147 ext_from_hex("030012", &mut test);
1148 // message header indicating message length 100
1149 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1150 // inbound read from peer id 0 of len 116
1151 ext_from_hex("030074", &mut test);
1152 // commitment_signed and mac
1153 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000c30100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1155 // inbound read from peer id 0 of len 18
1156 ext_from_hex("030012", &mut test);
1157 // message header indicating message length 99
1158 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1159 // inbound read from peer id 0 of len 115
1160 ext_from_hex("030073", &mut test);
1161 // revoke_and_ack and mac
1162 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0b00000000000000000000000000000000000000000000000000000000000000 020d00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1164 // process the now-pending HTLC forward
1165 ext_from_hex("07", &mut test);
1167 // Two feerate requests to check dust exposure
1168 ext_from_hex("00fd00fd", &mut test);
1170 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1171 // we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
1173 // inbound read from peer id 1 of len 18
1174 ext_from_hex("030112", &mut test);
1175 // message header indicating message length 100
1176 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1177 // inbound read from peer id 1 of len 116
1178 ext_from_hex("030174", &mut test);
1179 // commitment_signed and mac
1180 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 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 99
1185 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1186 // inbound read from peer id 1 of len 115
1187 ext_from_hex("030173", &mut test);
1188 // revoke_and_ack and mac
1189 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6400000000000000000000000000000000000000000000000000000000000000 027000000000000000000000000000000000000000000000000000000000000000 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 44
1194 ext_from_hex("002c 01000000000000000000000000000000", &mut test);
1195 // inbound read from peer id 1 of len 60
1196 ext_from_hex("03013c", &mut test);
1197 // update_fail_htlc and mac
1198 ext_from_hex("0083 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000", &mut test);
1200 // inbound read from peer id 1 of len 18
1201 ext_from_hex("030112", &mut test);
1202 // message header indicating message length 100
1203 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1204 // inbound read from peer id 1 of len 116
1205 ext_from_hex("030174", &mut test);
1206 // commitment_signed and mac
1207 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1209 // inbound read from peer id 1 of len 18
1210 ext_from_hex("030112", &mut test);
1211 // message header indicating message length 99
1212 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1213 // inbound read from peer id 1 of len 115
1214 ext_from_hex("030173", &mut test);
1215 // revoke_and_ack and mac
1216 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6500000000000000000000000000000000000000000000000000000000000000 027100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1218 // process the now-pending HTLC forward
1219 ext_from_hex("07", &mut test);
1220 // client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
1221 // now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
1223 // inbound read from peer id 0 of len 18
1224 ext_from_hex("030012", &mut test);
1225 // message header indicating message length 99
1226 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1227 // inbound read from peer id 0 of len 115
1228 ext_from_hex("030073", &mut test);
1229 // revoke_and_ack and mac
1230 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0a00000000000000000000000000000000000000000000000000000000000000 020c00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1232 // inbound read from peer id 0 of len 18
1233 ext_from_hex("030012", &mut test);
1234 // message header indicating message length 100
1235 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1236 // inbound read from peer id 0 of len 116
1237 ext_from_hex("030074", &mut test);
1238 // commitment_signed and mac
1239 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000320100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1240 // client should now respond with revoke_and_ack (CHECK 5 duplicate)
1242 // inbound read from peer id 0 of len 18
1243 ext_from_hex("030012", &mut test);
1244 // message header indicating message length 1452
1245 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1246 // inbound read from peer id 0 of len 255
1247 ext_from_hex("0300ff", &mut test);
1248 // beginning of update_add_htlc from 0 to 1 via client
1249 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 12 02030927c0 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1250 // inbound read from peer id 0 of len 255
1251 ext_from_hex("0300ff", &mut test);
1252 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1253 // inbound read from peer id 0 of len 255
1254 ext_from_hex("0300ff", &mut test);
1255 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1256 // inbound read from peer id 0 of len 255
1257 ext_from_hex("0300ff", &mut test);
1258 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1259 // inbound read from peer id 0 of len 255
1260 ext_from_hex("0300ff", &mut test);
1261 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1262 // inbound read from peer id 0 of len 193
1263 ext_from_hex("0300c1", &mut test);
1264 // end of update_add_htlc from 0 to 1 via client and mac
1265 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 5300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1267 // Two feerate requests to check dust exposure
1268 ext_from_hex("00fd00fd", &mut test);
1270 // inbound read from peer id 0 of len 18
1271 ext_from_hex("030012", &mut test);
1272 // message header indicating message length 164
1273 ext_from_hex("00a4 03000000000000000000000000000000", &mut test);
1274 // inbound read from peer id 0 of len 180
1275 ext_from_hex("0300b4", &mut test);
1276 // commitment_signed and mac
1277 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000750100000000000000000000000000000000000000000000000000000000000000 0001 00000000000000000000000000000000000000000000000000000000000000670500000000000000000000000000000000000000000000000000000000000006 03000000000000000000000000000000", &mut test);
1278 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1280 // inbound read from peer id 0 of len 18
1281 ext_from_hex("030012", &mut test);
1282 // message header indicating message length 99
1283 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1284 // inbound read from peer id 0 of len 115
1285 ext_from_hex("030073", &mut test);
1286 // revoke_and_ack and mac
1287 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0d00000000000000000000000000000000000000000000000000000000000000 020f00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1289 // process the now-pending HTLC forward
1290 ext_from_hex("07", &mut test);
1291 // Two feerate requests to check dust exposure
1292 ext_from_hex("00fd00fd", &mut test);
1293 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1295 // connect a block with one transaction of len 125
1296 ext_from_hex("0c007d", &mut test);
1297 // the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
1298 ext_from_hex("02000000013a000000000000000000000000000000000000000000000000000000000000000000000000000000800258020000000000002200204b0000000000000000000000000000000000000000000000000000000000000014c0000000000000160014280000000000000000000000000000000000000005000020", &mut test);
1300 // connect a block with one transaction of len 94
1301 ext_from_hex("0c005e", &mut test);
1302 // the HTLC timeout transaction
1303 ext_from_hex("0200000001730000000000000000000000000000000000000000000000000000000000000000000000000000000001a701000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000", &mut test);
1304 // connect a block with no transactions
1305 ext_from_hex("0c0000", &mut test);
1306 // connect a block with no transactions
1307 ext_from_hex("0c0000", &mut test);
1308 // connect a block with no transactions
1309 ext_from_hex("0c0000", &mut test);
1310 // connect a block with no transactions
1311 ext_from_hex("0c0000", &mut test);
1312 // connect a block with no transactions
1313 ext_from_hex("0c0000", &mut test);
1315 // process the now-pending HTLC forward
1316 ext_from_hex("07", &mut test);
1317 // client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
1319 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1320 super::do_test(&test, &(Arc::clone(&logger) as Arc<dyn Logger>));
1322 let log_entries = logger.lines.lock().unwrap();
1323 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
1324 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
1325 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
1326 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
1327 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
1328 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
1329 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
1330 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
1331 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
1332 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
1336 fn test_gossip_exchange_breakage() {
1337 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
1338 // changes (such as requesting feerate info in a new place), we exchange some gossip
1339 // messages. Obviously this is pretty finicky, so this should be updated pretty liberally,
1340 // but at least we'll know when changes occur.
1341 // This test serves as a pretty good full_stack_target seed.
1343 // What each byte represents is broken down below, and then everything is concatenated into
1344 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
1346 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
1347 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
1348 // of the Lightning message
1349 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
1350 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
1352 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
1354 let mut test = Vec::new();
1357 ext_from_hex("0100000000000000000000000000000000000000000000000000000000000000", &mut test);
1359 ext_from_hex("0000000000900000000000000000640001000000000001ffff0000000000000000ffffffffffffffffffffffffffffffff0000000000000000ffffffffffffffff000000ffffffff00ffff1a000400010000020400000000040200000a08ffffffffffffffff0001000000", &mut test);
1361 // new outbound connection with id 0
1362 ext_from_hex("00", &mut test);
1364 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000002", &mut test);
1365 // inbound read from peer id 0 of len 50
1366 ext_from_hex("030032", &mut test);
1367 // noise act two (0||pubkey||mac)
1368 ext_from_hex("00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000", &mut test);
1370 // inbound read from peer id 0 of len 18
1371 ext_from_hex("030012", &mut test);
1372 // message header indicating message length 16
1373 ext_from_hex("0010 03000000000000000000000000000000", &mut test);
1374 // inbound read from peer id 0 of len 32
1375 ext_from_hex("030020", &mut test);
1376 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
1377 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 03000000000000000000000000000000", &mut test);
1379 // new inbound connection with id 1
1380 ext_from_hex("01", &mut test);
1381 // inbound read from peer id 1 of len 50
1382 ext_from_hex("030132", &mut test);
1383 // inbound noise act 1
1384 ext_from_hex("0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000", &mut test);
1385 // inbound read from peer id 1 of len 66
1386 ext_from_hex("030142", &mut test);
1387 // inbound noise act 3
1388 ext_from_hex("000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000", &mut test);
1390 // inbound read from peer id 1 of len 18
1391 ext_from_hex("030112", &mut test);
1392 // message header indicating message length 16
1393 ext_from_hex("0010 01000000000000000000000000000000", &mut test);
1394 // inbound read from peer id 1 of len 32
1395 ext_from_hex("030120", &mut test);
1396 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
1397 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 01000000000000000000000000000000", &mut test);
1399 // inbound read from peer id 0 of len 18
1400 ext_from_hex("030012", &mut test);
1401 // message header indicating message length 432
1402 ext_from_hex("01b0 03000000000000000000000000000000", &mut test);
1403 // inbound read from peer id 0 of len 255
1404 ext_from_hex("0300ff", &mut test);
1405 // First part of channel_announcement (type 256)
1406 ext_from_hex("0100 00000000000000000000000000000000000000000000000000000000000000b20303030303030303030303030303030303030303030303030303030303030303 00000000000000000000000000000000000000000000000000000000000000b20202020202020202020202020202020202020202020202020202020202020202 00000000000000000000000000000000000000000000000000000000000000b20303030303030303030303030303030303030303030303030303030303030303 00000000000000000000000000000000000000000000000000000000000000b20202020202020202020202020202020202020202020202020202020202", &mut test);
1407 // inbound read from peer id 0 of len 193
1408 ext_from_hex("0300c1", &mut test);
1409 // Last part of channel_announcement and mac
1410 ext_from_hex("020202 00006fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000000000000000002a030303030303030303030303030303030303030303030303030303030303030303020202020202020202020202020202020202020202020202020202020202020202030303030303030303030303030303030303030303030303030303030303030303020202020202020202020202020202020202020202020202020202020202020202 03000000000000000000000000000000", &mut test);
1412 // inbound read from peer id 0 of len 18
1413 ext_from_hex("030012", &mut test);
1414 // message header indicating message length 138
1415 ext_from_hex("008a 03000000000000000000000000000000", &mut test);
1416 // inbound read from peer id 0 of len 154
1417 ext_from_hex("03009a", &mut test);
1418 // channel_update (type 258) and mac
1419 ext_from_hex("0102 00000000000000000000000000000000000000000000000000000000000000a60303030303030303030303030303030303030303030303030303030303030303 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000 000000000000002a0000002c01000028000000000000000000000000000000000000000005f5e100 03000000000000000000000000000000", &mut test);
1421 // inbound read from peer id 0 of len 18
1422 ext_from_hex("030012", &mut test);
1423 // message header indicating message length 142
1424 ext_from_hex("008e 03000000000000000000000000000000", &mut test);
1425 // inbound read from peer id 0 of len 158
1426 ext_from_hex("03009e", &mut test);
1427 // node_announcement (type 257) and mac
1428 ext_from_hex("0101 00000000000000000000000000000000000000000000000000000000000000280303030303030303030303030303030303030303030303030303030303030303 00000000002b03030303030303030303030303030303030303030303030303030303030303030300000000000000000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1430 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1431 super::do_test(&test, &(Arc::clone(&logger) as Arc<dyn Logger>));
1433 let log_entries = logger.lines.lock().unwrap();
1434 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));
1435 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));
1436 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));