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::message::ForwardNode;
35 use lightning::blinded_path::payment::ReceiveTlvs;
37 use lightning::chain::{BestBlock, ChannelMonitorUpdateStatus, Confirm, Listen};
38 use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
39 use lightning::chain::chainmonitor;
40 use lightning::chain::transaction::OutPoint;
41 use lightning::sign::{InMemorySigner, Recipient, KeyMaterial, EntropySource, NodeSigner, SignerProvider};
42 use lightning::events::Event;
43 use lightning::ln::{ChannelId, PaymentHash, PaymentPreimage, PaymentSecret};
44 use lightning::ln::channel_state::ChannelDetails;
45 use lightning::ln::channelmanager::{ChainParameters, ChannelManager, PaymentId, RecipientOnionFields, Retry, InterceptId};
46 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor,IgnoringMessageHandler};
47 use lightning::ln::msgs::{self, DecodeError};
48 use lightning::ln::script::ShutdownScript;
49 use lightning::ln::functional_test_utils::*;
50 use lightning::offers::invoice::{BlindedPayInfo, UnsignedBolt12Invoice};
51 use lightning::offers::invoice_request::UnsignedInvoiceRequest;
52 use lightning::onion_message::messenger::{Destination, MessageRouter, OnionMessagePath};
53 use lightning::routing::gossip::{P2PGossipSync, NetworkGraph};
54 use lightning::routing::utxo::UtxoLookup;
55 use lightning::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteParameters, Router};
56 use lightning::util::config::{ChannelConfig, UserConfig};
57 use lightning::util::hash_tables::*;
58 use lightning::util::errors::APIError;
59 use lightning::util::test_channel_signer::{TestChannelSigner, EnforcementState};
60 use lightning::util::logger::Logger;
61 use lightning::util::ser::{Readable, ReadableArgs, Writeable};
63 use crate::utils::test_logger;
64 use crate::utils::test_persister::TestPersister;
66 use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1, self};
67 use bitcoin::secp256k1::ecdh::SharedSecret;
68 use bitcoin::secp256k1::ecdsa::{RecoverableSignature, Signature};
69 use bitcoin::secp256k1::schnorr;
71 use std::cell::RefCell;
72 use std::convert::TryInto;
74 use std::sync::{Arc, Mutex};
75 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
79 pub fn slice_to_be16(v: &[u8]) -> u16 {
80 ((v[0] as u16) << 8*1) |
81 ((v[1] as u16) << 8*0)
85 pub fn be16_to_array(u: u16) -> [u8; 2] {
87 v[0] = ((u >> 8*1) & 0xff) as u8;
88 v[1] = ((u >> 8*0) & 0xff) as u8;
93 pub fn slice_to_be24(v: &[u8]) -> u32 {
94 ((v[0] as u32) << 8*2) |
95 ((v[1] as u32) << 8*1) |
96 ((v[2] as u32) << 8*0)
101 read_pos: AtomicUsize,
104 fn get_slice(&self, len: usize) -> Option<&[u8]> {
105 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
106 if self.data.len() < old_pos + len {
109 Some(&self.data[old_pos..old_pos + len])
112 impl std::io::Read for &InputData {
113 fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
114 if let Some(sl) = self.get_slice(buf.len()) {
115 buf.copy_from_slice(sl);
123 struct FuzzEstimator {
124 input: Arc<InputData>,
126 impl FeeEstimator for FuzzEstimator {
127 fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
128 //TODO: We should actually be testing at least much more than 64k...
129 match self.input.get_slice(2) {
130 Some(slice) => cmp::max(slice_to_be16(slice) as u32, 253),
138 impl Router for FuzzRouter {
140 &self, _payer: &PublicKey, _params: &RouteParameters, _first_hops: Option<&[&ChannelDetails]>,
141 _inflight_htlcs: InFlightHtlcs
142 ) -> Result<Route, msgs::LightningError> {
143 Err(msgs::LightningError {
144 err: String::from("Not implemented"),
145 action: msgs::ErrorAction::IgnoreError
149 fn create_blinded_payment_paths<T: secp256k1::Signing + secp256k1::Verification>(
150 &self, _recipient: PublicKey, _first_hops: Vec<ChannelDetails>, _tlvs: ReceiveTlvs,
151 _amount_msats: u64, _secp_ctx: &Secp256k1<T>,
152 ) -> Result<Vec<(BlindedPayInfo, BlindedPath)>, ()> {
157 impl MessageRouter for FuzzRouter {
159 &self, _sender: PublicKey, _peers: Vec<PublicKey>, _destination: Destination
160 ) -> Result<OnionMessagePath, ()> {
164 fn create_blinded_paths<T: secp256k1::Signing + secp256k1::Verification>(
165 &self, _recipient: PublicKey, _peers: Vec<ForwardNode>, _secp_ctx: &Secp256k1<T>,
166 ) -> Result<Vec<BlindedPath>, ()> {
171 struct TestBroadcaster {
172 txn_broadcasted: Mutex<Vec<Transaction>>,
174 impl BroadcasterInterface for TestBroadcaster {
175 fn broadcast_transactions(&self, txs: &[&Transaction]) {
176 let owned_txs: Vec<Transaction> = txs.iter().map(|tx| (*tx).clone()).collect();
177 self.txn_broadcasted.lock().unwrap().extend(owned_txs);
184 peers_connected: &'a RefCell<[bool; 256]>,
186 impl<'a> SocketDescriptor for Peer<'a> {
187 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
190 fn disconnect_socket(&mut self) {
191 assert!(self.peers_connected.borrow()[self.id as usize]);
192 self.peers_connected.borrow_mut()[self.id as usize] = false;
195 impl<'a> PartialEq for Peer<'a> {
196 fn eq(&self, other: &Self) -> bool {
200 impl<'a> Eq for Peer<'a> {}
201 impl<'a> std::hash::Hash for Peer<'a> {
202 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
207 type ChannelMan<'a> = ChannelManager<
208 Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
209 Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<FuzzEstimator>, &'a FuzzRouter, Arc<dyn Logger>>;
210 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>>;
212 struct MoneyLossDetector<'a> {
213 manager: Arc<ChannelMan<'a>>,
214 monitor: Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
215 handler: PeerMan<'a>,
217 peers: &'a RefCell<[bool; 256]>,
218 funding_txn: Vec<Transaction>,
219 txids_confirmed: HashMap<Txid, usize>,
220 header_hashes: Vec<(BlockHash, u32)>,
223 blocks_connected: u32,
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)],
245 fn connect_block(&mut self, all_txn: &[Transaction]) {
246 let mut txdata = Vec::with_capacity(all_txn.len());
247 for (idx, tx) in all_txn.iter().enumerate() {
248 let txid = tx.txid();
249 self.txids_confirmed.entry(txid).or_insert_with(|| {
250 txdata.push((idx + 1, tx));
255 self.blocks_connected += 1;
256 let header = create_dummy_header(self.header_hashes[self.height].0, self.blocks_connected);
258 self.manager.transactions_confirmed(&header, &txdata, self.height as u32);
259 self.manager.best_block_updated(&header, self.height as u32);
260 (*self.monitor).transactions_confirmed(&header, &txdata, self.height as u32);
261 (*self.monitor).best_block_updated(&header, self.height as u32);
262 if self.header_hashes.len() > self.height {
263 self.header_hashes[self.height] = (header.block_hash(), self.blocks_connected);
265 assert_eq!(self.header_hashes.len(), self.height);
266 self.header_hashes.push((header.block_hash(), self.blocks_connected));
268 self.max_height = cmp::max(self.height, self.max_height);
271 fn disconnect_block(&mut self) {
272 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
273 let header = create_dummy_header(self.header_hashes[self.height - 1].0, self.header_hashes[self.height].1);
274 self.manager.block_disconnected(&header, self.height as u32);
275 self.monitor.block_disconnected(&header, self.height as u32);
277 let removal_height = self.height;
278 self.txids_confirmed.retain(|_, height| {
279 removal_height != *height
285 impl<'a> Drop for MoneyLossDetector<'a> {
287 if !::std::thread::panicking() {
288 // Disconnect all peers
289 for (idx, peer) in self.peers.borrow().iter().enumerate() {
291 self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
295 // Force all channels onto the chain (and time out claim txn)
296 self.manager.force_close_all_channels_broadcasting_latest_txn();
302 node_secret: SecretKey,
303 inbound_payment_key: KeyMaterial,
305 signer_state: RefCell<HashMap<u8, (bool, Arc<Mutex<EnforcementState>>)>>
308 impl EntropySource for KeyProvider {
309 fn get_secure_random_bytes(&self) -> [u8; 32] {
310 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
311 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
312 (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]
316 impl NodeSigner for KeyProvider {
317 fn get_node_id(&self, recipient: Recipient) -> Result<PublicKey, ()> {
318 let node_secret = match recipient {
319 Recipient::Node => Ok(&self.node_secret),
320 Recipient::PhantomNode => Err(())
322 Ok(PublicKey::from_secret_key(&Secp256k1::signing_only(), node_secret))
325 fn ecdh(&self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&Scalar>) -> Result<SharedSecret, ()> {
326 let mut node_secret = match recipient {
327 Recipient::Node => Ok(self.node_secret.clone()),
328 Recipient::PhantomNode => Err(())
330 if let Some(tweak) = tweak {
331 node_secret = node_secret.mul_tweak(tweak).map_err(|_| ())?;
333 Ok(SharedSecret::new(other_key, &node_secret))
336 fn get_inbound_payment_key_material(&self) -> KeyMaterial {
337 self.inbound_payment_key.clone()
340 fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
344 fn sign_bolt12_invoice_request(
345 &self, _invoice_request: &UnsignedInvoiceRequest
346 ) -> Result<schnorr::Signature, ()> {
350 fn sign_bolt12_invoice(
351 &self, _invoice: &UnsignedBolt12Invoice,
352 ) -> Result<schnorr::Signature, ()> {
356 fn sign_gossip_message(&self, msg: lightning::ln::msgs::UnsignedGossipMessage) -> Result<Signature, ()> {
357 let msg_hash = Message::from_digest(Sha256dHash::hash(&msg.encode()[..]).to_byte_array());
358 let secp_ctx = Secp256k1::signing_only();
359 Ok(secp_ctx.sign_ecdsa(&msg_hash, &self.node_secret))
363 impl SignerProvider for KeyProvider {
364 type EcdsaSigner = TestChannelSigner;
366 type TaprootSigner = TestChannelSigner;
368 fn generate_channel_keys_id(&self, inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128) -> [u8; 32] {
369 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
370 self.signer_state.borrow_mut().insert(ctr, (inbound, Arc::new(Mutex::new(EnforcementState::new()))));
374 fn derive_channel_signer(&self, channel_value_satoshis: u64, channel_keys_id: [u8; 32]) -> Self::EcdsaSigner {
375 let secp_ctx = Secp256k1::signing_only();
376 let ctr = channel_keys_id[0];
377 let (inbound, state) = self.signer_state.borrow().get(&ctr).unwrap().clone();
378 TestChannelSigner::new_with_revoked(if inbound {
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, 1, 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, 2, 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, 3, 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, 4, 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, 5, ctr]).unwrap(),
386 [0, 0, 0, 0, 0, 0, 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],
387 channel_value_satoshis,
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, 7, 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, 8, 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, 9, 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, 10, 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, 11, ctr]).unwrap(),
399 [0, 0, 0, 0, 0, 0, 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],
400 channel_value_satoshis,
407 fn read_chan_signer(&self, mut data: &[u8]) -> Result<TestChannelSigner, DecodeError> {
408 let inner: InMemorySigner = ReadableArgs::read(&mut data, self)?;
409 let state = Arc::new(Mutex::new(EnforcementState::new()));
411 Ok(TestChannelSigner::new_with_revoked(
418 fn get_destination_script(&self, _channel_keys_id: [u8; 32]) -> Result<ScriptBuf, ()> {
419 let secp_ctx = Secp256k1::signing_only();
420 let channel_monitor_claim_key = SecretKey::from_slice(&<Vec<u8>>::from_hex("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
421 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
422 Ok(Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(our_channel_monitor_claim_key_hash).into_script())
425 fn get_shutdown_scriptpubkey(&self) -> Result<ShutdownScript, ()> {
426 let secp_ctx = Secp256k1::signing_only();
427 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();
428 let pubkey_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &secret_key).serialize());
429 Ok(ShutdownScript::new_p2wpkh(&pubkey_hash))
434 pub fn do_test(mut data: &[u8], logger: &Arc<dyn Logger>) {
435 if data.len() < 32 { return; }
437 let our_network_key = match SecretKey::from_slice(&data[..32]) {
443 let config: UserConfig = if let Ok(config) = Readable::read(&mut data) { config } else { return; };
445 let input = Arc::new(InputData {
447 read_pos: AtomicUsize::new(0),
449 let fee_est = Arc::new(FuzzEstimator {
450 input: input.clone(),
452 let router = FuzzRouter {};
454 macro_rules! get_slice {
456 match input.get_slice($len as usize) {
457 Some(slice) => slice,
463 macro_rules! get_bytes {
465 let mut res = [0; $len];
466 match input.get_slice($len as usize) {
467 Some(slice) => res.copy_from_slice(slice),
474 macro_rules! get_pubkey {
476 match PublicKey::from_slice(get_slice!(33)) {
484 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];
486 let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
487 let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(),
488 Arc::new(TestPersister { update_ret: Mutex::new(ChannelMonitorUpdateStatus::Completed) })));
490 let keys_manager = Arc::new(KeyProvider {
491 node_secret: our_network_key.clone(),
492 inbound_payment_key: KeyMaterial(inbound_payment_key.try_into().unwrap()),
493 counter: AtomicU64::new(0),
494 signer_state: RefCell::new(new_hash_map())
496 let network = Network::Bitcoin;
497 let best_block_timestamp = genesis_block(network).header.time;
498 let params = ChainParameters {
500 best_block: BestBlock::from_network(network),
502 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));
503 // Adding new calls to `EntropySource::get_secure_random_bytes` during startup can change all the
504 // keys subsequently generated in this test. Rather than regenerating all the messages manually,
505 // it's easier to just increment the counter here so the keys don't change.
506 keys_manager.counter.fetch_sub(3, Ordering::AcqRel);
507 let network_graph = Arc::new(NetworkGraph::new(network, Arc::clone(&logger)));
508 let gossip_sync = Arc::new(P2PGossipSync::new(Arc::clone(&network_graph), None, Arc::clone(&logger)));
510 let peers = RefCell::new([false; 256]);
511 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
512 chan_handler: channelmanager.clone(),
513 route_handler: gossip_sync.clone(),
514 onion_message_handler: IgnoringMessageHandler {},
515 custom_message_handler: IgnoringMessageHandler {},
516 }, 0, &[0, 0, 0, 0, 0, 0, 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()));
518 let mut should_forward = false;
519 let mut payments_received: Vec<PaymentHash> = Vec::new();
520 let mut intercepted_htlcs: Vec<InterceptId> = Vec::new();
521 let mut payments_sent: u16 = 0;
522 let mut pending_funding_generation: Vec<(ChannelId, PublicKey, u64, ScriptBuf)> = Vec::new();
523 let mut pending_funding_signatures = new_hash_map();
526 match get_slice!(1)[0] {
530 if !peers.borrow()[i-1] {
535 if new_id == 0 { return; }
536 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
537 peers.borrow_mut()[new_id - 1] = true;
542 if !peers.borrow()[i-1] {
547 if new_id == 0 { return; }
548 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
549 peers.borrow_mut()[new_id - 1] = true;
552 let peer_id = get_slice!(1)[0];
553 if !peers.borrow()[peer_id as usize] { return; }
554 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
555 peers.borrow_mut()[peer_id as usize] = false;
558 let peer_id = get_slice!(1)[0];
559 if !peers.borrow()[peer_id as usize] { return; }
560 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
561 Ok(res) => assert!(!res),
562 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
566 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
567 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
568 let params = RouteParameters::from_payment_params_and_value(
569 payment_params, final_value_msat);
570 let mut payment_hash = PaymentHash([0; 32]);
571 payment_hash.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
572 payment_hash.0 = Sha256::hash(&payment_hash.0[..]).to_byte_array();
574 let _ = channelmanager.send_payment(
575 payment_hash, RecipientOnionFields::spontaneous_empty(),
576 PaymentId(payment_hash.0), params, Retry::Attempts(2)
580 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
581 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
582 let params = RouteParameters::from_payment_params_and_value(
583 payment_params, final_value_msat);
584 let mut payment_hash = PaymentHash([0; 32]);
585 payment_hash.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
586 payment_hash.0 = Sha256::hash(&payment_hash.0[..]).to_byte_array();
588 let mut payment_secret = PaymentSecret([0; 32]);
589 payment_secret.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
591 let _ = channelmanager.send_payment(
592 payment_hash, RecipientOnionFields::secret_only(payment_secret),
593 PaymentId(payment_hash.0), params, Retry::Attempts(2)
597 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
598 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
599 let params = RouteParameters::from_payment_params_and_value(
600 payment_params, final_value_msat);
601 let _ = channelmanager.send_preflight_probes(params, None);
604 let idx = u16::from_be_bytes(get_bytes!(2)) % cmp::max(payments_sent, 1);
605 let mut payment_id = PaymentId([0; 32]);
606 payment_id.0[0..2].copy_from_slice(&idx.to_be_bytes());
607 channelmanager.abandon_payment(payment_id);
610 let peer_id = get_slice!(1)[0];
611 if !peers.borrow()[peer_id as usize] { return; }
612 let their_key = get_pubkey!();
613 let chan_value = slice_to_be24(get_slice!(3)) as u64;
614 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
615 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None, None).is_err() { return; }
618 let mut channels = channelmanager.list_channels();
619 let channel_id = get_slice!(1)[0] as usize;
620 if channel_id >= channels.len() { return; }
621 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
622 if channelmanager.close_channel(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).is_err() { return; }
626 channelmanager.process_pending_htlc_forwards();
627 should_forward = false;
631 for payment in payments_received.drain(..) {
632 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
633 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
634 // fulfill this HTLC, but if they are, we can just take the first byte and
635 // place that anywhere in our preimage.
636 if &payment.0[1..] != &[0; 31] {
637 channelmanager.fail_htlc_backwards(&payment);
639 let mut payment_preimage = PaymentPreimage([0; 32]);
640 payment_preimage.0[0] = payment.0[0];
641 channelmanager.claim_funds(payment_preimage);
646 let payment_preimage = PaymentPreimage(keys_manager.get_secure_random_bytes());
647 let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0[..]).to_byte_array());
648 // Note that this may fail - our hashes may collide and we'll end up trying to
649 // double-register the same payment_hash.
650 let _ = channelmanager.create_inbound_payment_for_hash(payment_hash, None, 1, None);
653 for payment in payments_received.drain(..) {
654 channelmanager.fail_htlc_backwards(&payment);
658 let mut tx = Transaction { version: Version(0), lock_time: LockTime::ZERO, input: Vec::new(), output: Vec::new() };
659 let mut channels = Vec::new();
660 for funding_generation in pending_funding_generation.drain(..) {
662 value: Amount::from_sat(funding_generation.2), script_pubkey: funding_generation.3,
664 if !tx.output.contains(&txout) {
665 tx.output.push(txout);
666 channels.push((funding_generation.0, funding_generation.1));
669 // Once we switch to V2 channel opens we should be able to drop this entirely as
670 // channel_ids no longer change when we set the funding tx.
672 if tx.version.0 > 0xff {
675 let funding_txid = tx.txid();
676 if loss_detector.txids_confirmed.get(&funding_txid).is_none() {
677 let outpoint = OutPoint { txid: funding_txid, index: 0 };
678 for chan in channelmanager.list_channels() {
679 if chan.channel_id == ChannelId::v1_from_funding_outpoint(outpoint) {
680 tx.version = Version(tx.version.0 + 1);
681 continue 'search_loop;
686 tx.version = Version(tx.version.0 + 1);
688 if tx.version.0 <= 0xff && !channels.is_empty() {
689 let chans = channels.iter().map(|(a, b)| (a, b)).collect::<Vec<_>>();
690 if let Err(e) = channelmanager.batch_funding_transaction_generated(&chans, tx.clone()) {
691 // It's possible the channel has been closed in the mean time, but any other
692 // failure may be a bug.
693 if let APIError::ChannelUnavailable { .. } = e { } else { panic!(); }
695 let funding_txid = tx.txid();
696 for idx in 0..tx.output.len() {
697 let outpoint = OutPoint { txid: funding_txid, index: idx as u16 };
698 pending_funding_signatures.insert(outpoint, tx.clone());
703 let mut txn = broadcast.txn_broadcasted.lock().unwrap().split_off(0);
705 loss_detector.connect_block(&txn[..]);
707 loss_detector.connect_block(&[]);
710 for tx in txn.drain(..) {
711 loss_detector.funding_txn.push(tx);
715 let txlen = u16::from_be_bytes(get_bytes!(2));
717 loss_detector.connect_block(&[]);
719 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
720 if let Ok(tx) = txres {
721 let mut output_val = Amount::ZERO;
722 for out in tx.output.iter() {
723 if out.value > Amount::MAX_MONEY { return; }
724 output_val += out.value;
725 if output_val > Amount::MAX_MONEY { return; }
727 loss_detector.connect_block(&[tx]);
734 loss_detector.disconnect_block();
737 let mut channels = channelmanager.list_channels();
738 let channel_id = get_slice!(1)[0] as usize;
739 if channel_id >= channels.len() { return; }
740 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
741 channelmanager.force_close_broadcasting_latest_txn(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).unwrap();
743 // 15, 16, 17, 18 is above
745 let mut list = loss_detector.handler.list_peers();
746 list.sort_by_key(|v| v.counterparty_node_id);
747 if let Some(peer_details) = list.get(0) {
748 loss_detector.handler.disconnect_by_node_id(peer_details.counterparty_node_id);
751 20 => loss_detector.handler.disconnect_all_peers(),
752 21 => loss_detector.handler.timer_tick_occurred(),
754 loss_detector.handler.broadcast_node_announcement([42; 3], [43; 32], Vec::new()),
755 32 => channelmanager.timer_tick_occurred(),
757 for id in intercepted_htlcs.drain(..) {
758 channelmanager.fail_intercepted_htlc(id).unwrap();
762 let amt = u64::from_be_bytes(get_bytes!(8));
763 let chans = channelmanager.list_channels();
764 for id in intercepted_htlcs.drain(..) {
765 if chans.is_empty() {
766 channelmanager.fail_intercepted_htlc(id).unwrap();
768 let chan = &chans[amt as usize % chans.len()];
769 channelmanager.forward_intercepted_htlc(id, &chan.channel_id, chan.counterparty.node_id, amt).unwrap();
774 let config: ChannelConfig =
775 if let Ok(c) = Readable::read(&mut &*input) { c } else { return; };
776 let chans = channelmanager.list_channels();
777 if let Some(chan) = chans.get(0) {
778 let _ = channelmanager.update_channel_config(
779 &chan.counterparty.node_id, &[chan.channel_id], &config
785 loss_detector.handler.process_events();
786 for event in loss_detector.manager.get_and_clear_pending_events() {
788 Event::FundingGenerationReady { temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script, .. } => {
789 pending_funding_generation.push((temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script));
791 Event::PaymentClaimable { payment_hash, .. } => {
792 //TODO: enhance by fetching random amounts from fuzz input?
793 payments_received.push(payment_hash);
795 Event::PendingHTLCsForwardable {..} => {
796 should_forward = true;
798 Event::HTLCIntercepted { intercept_id, .. } => {
799 if !intercepted_htlcs.contains(&intercept_id) {
800 intercepted_htlcs.push(intercept_id);
809 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
810 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
811 do_test(data, &logger);
815 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
816 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
817 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
822 use bitcoin::hashes::hex::FromHex;
823 use lightning::util::logger::{Logger, Record};
824 use std::collections::HashMap;
825 use std::sync::{Arc, Mutex};
827 struct TrackingLogger {
828 /// (module, message) -> count
829 pub lines: Mutex<HashMap<(String, String), usize>>,
831 impl Logger for TrackingLogger {
832 fn log(&self, record: Record) {
833 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
834 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
838 fn ext_from_hex(hex_with_spaces: &str, out: &mut Vec<u8>) {
839 for hex in hex_with_spaces.split(" ") {
840 out.append(&mut <Vec<u8>>::from_hex(hex).unwrap());
845 fn test_no_existing_test_breakage() {
846 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
847 // changes (such as requesting feerate info in a new place), we run a pretty full
848 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
849 // so this should be updated pretty liberally, but at least we'll know when changes occur.
850 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
852 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
853 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
854 // of the Lightning message
855 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
856 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
858 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
860 let mut test = Vec::new();
862 ext_from_hex("0100000000000000000000000000000000000000000000000000000000000000", &mut test);
864 ext_from_hex("0000000000900000000000000000640001000000000001ffff0000000000000000ffffffffffffffffffffffffffffffff0000000000000000ffffffffffffffff000000ffffffff00ffff1a000400010000020400000000040200000a08ffffffffffffffff0001000000", &mut test);
866 // new outbound connection with id 0
867 ext_from_hex("00", &mut test);
869 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000002", &mut test);
870 // inbound read from peer id 0 of len 50
871 ext_from_hex("030032", &mut test);
872 // noise act two (0||pubkey||mac)
873 ext_from_hex("00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000", &mut test);
875 // inbound read from peer id 0 of len 18
876 ext_from_hex("030012", &mut test);
877 // message header indicating message length 16
878 ext_from_hex("0010 03000000000000000000000000000000", &mut test);
879 // inbound read from peer id 0 of len 32
880 ext_from_hex("030020", &mut test);
881 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
882 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 03000000000000000000000000000000", &mut test);
884 // inbound read from peer id 0 of len 18
885 ext_from_hex("030012", &mut test);
886 // message header indicating message length 327
887 ext_from_hex("0147 03000000000000000000000000000000", &mut test);
888 // inbound read from peer id 0 of len 254
889 ext_from_hex("0300fe", &mut test);
890 // beginning of open_channel message
891 ext_from_hex("0020 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000162 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004", &mut test);
892 // inbound read from peer id 0 of len 89
893 ext_from_hex("030059", &mut test);
894 // rest of open_channel and mac
895 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 0000 01021000 03000000000000000000000000000000", &mut test);
897 // One feerate request returning min feerate, which our open_channel also uses (ingested by FuzzEstimator)
898 ext_from_hex("00fd", &mut test);
899 // client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
901 // inbound read from peer id 0 of len 18
902 ext_from_hex("030012", &mut test);
903 // message header indicating message length 132
904 ext_from_hex("0084 03000000000000000000000000000000", &mut test);
905 // inbound read from peer id 0 of len 148
906 ext_from_hex("030094", &mut test);
907 // funding_created and mac
908 ext_from_hex("0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 00000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
909 // client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
911 // connect a block with one transaction of len 94
912 ext_from_hex("0c005e", &mut test);
913 // the funding transaction
914 ext_from_hex("020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000", &mut test);
915 // connect a block with no transactions, one per line
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 ext_from_hex("0c0000", &mut test);
927 ext_from_hex("0c0000", &mut test);
928 // by now client should have sent a channel_ready (CHECK 3: SendChannelReady to 03000000 for chan 3d000000)
930 // inbound read from peer id 0 of len 18
931 ext_from_hex("030012", &mut test);
932 // message header indicating message length 67
933 ext_from_hex("0043 03000000000000000000000000000000", &mut test);
934 // inbound read from peer id 0 of len 83
935 ext_from_hex("030053", &mut test);
936 // channel_ready and mac
937 ext_from_hex("0024 3d00000000000000000000000000000000000000000000000000000000000000 020800000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
939 // new inbound connection with id 1
940 ext_from_hex("01", &mut test);
941 // inbound read from peer id 1 of len 50
942 ext_from_hex("030132", &mut test);
943 // inbound noise act 1
944 ext_from_hex("0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000", &mut test);
945 // inbound read from peer id 1 of len 66
946 ext_from_hex("030142", &mut test);
947 // inbound noise act 3
948 ext_from_hex("000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000", &mut test);
950 // inbound read from peer id 1 of len 18
951 ext_from_hex("030112", &mut test);
952 // message header indicating message length 16
953 ext_from_hex("0010 01000000000000000000000000000000", &mut test);
954 // inbound read from peer id 1 of len 32
955 ext_from_hex("030120", &mut test);
956 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
957 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 01000000000000000000000000000000", &mut test);
959 // create outbound channel to peer 1 for 50k sat
960 ext_from_hex("05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8", &mut test);
961 // One feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
962 ext_from_hex("00fd", &mut test);
964 // inbound read from peer id 1 of len 18
965 ext_from_hex("030112", &mut test);
966 // message header indicating message length 274
967 ext_from_hex("0112 01000000000000000000000000000000", &mut test);
968 // inbound read from peer id 1 of len 255
969 ext_from_hex("0301ff", &mut test);
970 // beginning of accept_channel
971 ext_from_hex("0021 0000000000000000000000000000000000000000000000000000000000000e05 0000000000000162 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 02660000000000000000000000000000", &mut test);
972 // inbound read from peer id 1 of len 35
973 ext_from_hex("030123", &mut test);
974 // rest of accept_channel and mac
975 ext_from_hex("0000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
977 // create the funding transaction (client should send funding_created now)
978 ext_from_hex("0a", &mut test);
979 // Two feerate requests to check the dust exposure on the initial commitment tx
980 ext_from_hex("00fd00fd", &mut test);
982 // inbound read from peer id 1 of len 18
983 ext_from_hex("030112", &mut test);
984 // message header indicating message length 98
985 ext_from_hex("0062 01000000000000000000000000000000", &mut test);
986 // inbound read from peer id 1 of len 114
987 ext_from_hex("030172", &mut test);
988 // funding_signed message and mac
989 ext_from_hex("0023 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
991 // broadcast funding transaction
992 ext_from_hex("0b", &mut test);
993 // by now client should have sent a channel_ready (CHECK 4: SendChannelReady to 03020000 for chan 3f000000)
995 // inbound read from peer id 1 of len 18
996 ext_from_hex("030112", &mut test);
997 // message header indicating message length 67
998 ext_from_hex("0043 01000000000000000000000000000000", &mut test);
999 // inbound read from peer id 1 of len 83
1000 ext_from_hex("030153", &mut test);
1001 // channel_ready and mac
1002 ext_from_hex("0024 3a00000000000000000000000000000000000000000000000000000000000000 026700000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1004 // inbound read from peer id 0 of len 18
1005 ext_from_hex("030012", &mut test);
1006 // message header indicating message length 1452
1007 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1008 // inbound read from peer id 0 of len 255
1009 ext_from_hex("0300ff", &mut test);
1010 // beginning of update_add_htlc from 0 to 1 via client
1011 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1012 // inbound read from peer id 0 of len 255
1013 ext_from_hex("0300ff", &mut test);
1014 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1015 // inbound read from peer id 0 of len 255
1016 ext_from_hex("0300ff", &mut test);
1017 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1018 // inbound read from peer id 0 of len 255
1019 ext_from_hex("0300ff", &mut test);
1020 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1021 // inbound read from peer id 0 of len 255
1022 ext_from_hex("0300ff", &mut test);
1023 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1024 // inbound read from peer id 0 of len 193
1025 ext_from_hex("0300c1", &mut test);
1026 // end of update_add_htlc from 0 to 1 via client and mac
1027 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1029 // Two feerate requests to check dust exposure
1030 ext_from_hex("00fd00fd", &mut test);
1032 // inbound read from peer id 0 of len 18
1033 ext_from_hex("030012", &mut test);
1034 // message header indicating message length 100
1035 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1036 // inbound read from peer id 0 of len 116
1037 ext_from_hex("030074", &mut test);
1038 // commitment_signed and mac
1039 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000300100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1040 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
1042 // inbound read from peer id 0 of len 18
1043 ext_from_hex("030012", &mut test);
1044 // message header indicating message length 99
1045 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1046 // inbound read from peer id 0 of len 115
1047 ext_from_hex("030073", &mut test);
1048 // revoke_and_ack and mac
1049 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0900000000000000000000000000000000000000000000000000000000000000 020b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1051 // process the now-pending HTLC forward
1052 ext_from_hex("07", &mut test);
1053 // Two feerate requests to check dust exposure
1054 ext_from_hex("00fd00fd", &mut test);
1055 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: UpdateHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
1057 // we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
1058 // inbound read from peer id 1 of len 18
1059 ext_from_hex("030112", &mut test);
1060 // message header indicating message length 100
1061 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1062 // inbound read from peer id 1 of len 116
1063 ext_from_hex("030174", &mut test);
1064 // commitment_signed and mac
1065 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000006a0001000000000000000000000000000000000000000000000000000000000000 0000 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 99
1070 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1071 // inbound read from peer id 1 of len 115
1072 ext_from_hex("030173", &mut test);
1073 // revoke_and_ack and mac
1074 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6600000000000000000000000000000000000000000000000000000000000000 026400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1076 // inbound read from peer id 1 of len 18
1077 ext_from_hex("030112", &mut test);
1078 // message header indicating message length 74
1079 ext_from_hex("004a 01000000000000000000000000000000", &mut test);
1080 // inbound read from peer id 1 of len 90
1081 ext_from_hex("03015a", &mut test);
1082 // update_fulfill_htlc and mac
1083 ext_from_hex("0082 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000", &mut test);
1084 // client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
1086 // inbound read from peer id 1 of len 18
1087 ext_from_hex("030112", &mut test);
1088 // message header indicating message length 100
1089 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1090 // inbound read from peer id 1 of len 116
1091 ext_from_hex("030174", &mut test);
1092 // commitment_signed and mac
1093 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000100001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1095 // inbound read from peer id 1 of len 18
1096 ext_from_hex("030112", &mut test);
1097 // message header indicating message length 99
1098 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1099 // inbound read from peer id 1 of len 115
1100 ext_from_hex("030173", &mut test);
1101 // revoke_and_ack and mac
1102 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6700000000000000000000000000000000000000000000000000000000000000 026500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1104 // before responding to the commitment_signed generated above, send a new HTLC
1105 // inbound read from peer id 0 of len 18
1106 ext_from_hex("030012", &mut test);
1107 // message header indicating message length 1452
1108 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1109 // inbound read from peer id 0 of len 255
1110 ext_from_hex("0300ff", &mut test);
1111 // beginning of update_add_htlc from 0 to 1 via client
1112 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &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 255
1117 ext_from_hex("0300ff", &mut test);
1118 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1119 // inbound read from peer id 0 of len 255
1120 ext_from_hex("0300ff", &mut test);
1121 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1122 // inbound read from peer id 0 of len 255
1123 ext_from_hex("0300ff", &mut test);
1124 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1125 // inbound read from peer id 0 of len 193
1126 ext_from_hex("0300c1", &mut test);
1127 // end of update_add_htlc from 0 to 1 via client and mac
1128 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1130 // Two feerate requests to check dust exposure
1131 ext_from_hex("00fd00fd", &mut test);
1133 // now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
1134 // inbound read from peer id 0 of len 18
1135 ext_from_hex("030012", &mut test);
1136 // message header indicating message length 99
1137 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1138 // inbound read from peer id 0 of len 115
1139 ext_from_hex("030073", &mut test);
1140 // revoke_and_ack and mac
1141 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0800000000000000000000000000000000000000000000000000000000000000 020a00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1142 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1144 // inbound read from peer id 0 of len 18
1145 ext_from_hex("030012", &mut test);
1146 // message header indicating message length 100
1147 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1148 // inbound read from peer id 0 of len 116
1149 ext_from_hex("030074", &mut test);
1150 // commitment_signed and mac
1151 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000c30100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1153 // inbound read from peer id 0 of len 18
1154 ext_from_hex("030012", &mut test);
1155 // message header indicating message length 99
1156 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1157 // inbound read from peer id 0 of len 115
1158 ext_from_hex("030073", &mut test);
1159 // revoke_and_ack and mac
1160 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0b00000000000000000000000000000000000000000000000000000000000000 020d00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1162 // process the now-pending HTLC forward
1163 ext_from_hex("07", &mut test);
1165 // Two feerate requests to check dust exposure
1166 ext_from_hex("00fd00fd", &mut test);
1168 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1169 // we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
1171 // inbound read from peer id 1 of len 18
1172 ext_from_hex("030112", &mut test);
1173 // message header indicating message length 100
1174 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1175 // inbound read from peer id 1 of len 116
1176 ext_from_hex("030174", &mut test);
1177 // commitment_signed and mac
1178 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1180 // inbound read from peer id 1 of len 18
1181 ext_from_hex("030112", &mut test);
1182 // message header indicating message length 99
1183 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1184 // inbound read from peer id 1 of len 115
1185 ext_from_hex("030173", &mut test);
1186 // revoke_and_ack and mac
1187 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6400000000000000000000000000000000000000000000000000000000000000 027000000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1189 // inbound read from peer id 1 of len 18
1190 ext_from_hex("030112", &mut test);
1191 // message header indicating message length 44
1192 ext_from_hex("002c 01000000000000000000000000000000", &mut test);
1193 // inbound read from peer id 1 of len 60
1194 ext_from_hex("03013c", &mut test);
1195 // update_fail_htlc and mac
1196 ext_from_hex("0083 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000", &mut test);
1198 // inbound read from peer id 1 of len 18
1199 ext_from_hex("030112", &mut test);
1200 // message header indicating message length 100
1201 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1202 // inbound read from peer id 1 of len 116
1203 ext_from_hex("030174", &mut test);
1204 // commitment_signed and mac
1205 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1207 // inbound read from peer id 1 of len 18
1208 ext_from_hex("030112", &mut test);
1209 // message header indicating message length 99
1210 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1211 // inbound read from peer id 1 of len 115
1212 ext_from_hex("030173", &mut test);
1213 // revoke_and_ack and mac
1214 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6500000000000000000000000000000000000000000000000000000000000000 027100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1216 // process the now-pending HTLC forward
1217 ext_from_hex("07", &mut test);
1218 // client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
1219 // now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
1221 // inbound read from peer id 0 of len 18
1222 ext_from_hex("030012", &mut test);
1223 // message header indicating message length 99
1224 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1225 // inbound read from peer id 0 of len 115
1226 ext_from_hex("030073", &mut test);
1227 // revoke_and_ack and mac
1228 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0a00000000000000000000000000000000000000000000000000000000000000 020c00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1230 // inbound read from peer id 0 of len 18
1231 ext_from_hex("030012", &mut test);
1232 // message header indicating message length 100
1233 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1234 // inbound read from peer id 0 of len 116
1235 ext_from_hex("030074", &mut test);
1236 // commitment_signed and mac
1237 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000320100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1238 // client should now respond with revoke_and_ack (CHECK 5 duplicate)
1240 // inbound read from peer id 0 of len 18
1241 ext_from_hex("030012", &mut test);
1242 // message header indicating message length 1452
1243 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1244 // inbound read from peer id 0 of len 255
1245 ext_from_hex("0300ff", &mut test);
1246 // beginning of update_add_htlc from 0 to 1 via client
1247 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 12 02030927c0 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1248 // inbound read from peer id 0 of len 255
1249 ext_from_hex("0300ff", &mut test);
1250 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1251 // inbound read from peer id 0 of len 255
1252 ext_from_hex("0300ff", &mut test);
1253 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1254 // inbound read from peer id 0 of len 255
1255 ext_from_hex("0300ff", &mut test);
1256 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1257 // inbound read from peer id 0 of len 255
1258 ext_from_hex("0300ff", &mut test);
1259 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1260 // inbound read from peer id 0 of len 193
1261 ext_from_hex("0300c1", &mut test);
1262 // end of update_add_htlc from 0 to 1 via client and mac
1263 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 5300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1265 // Two feerate requests to check dust exposure
1266 ext_from_hex("00fd00fd", &mut test);
1268 // inbound read from peer id 0 of len 18
1269 ext_from_hex("030012", &mut test);
1270 // message header indicating message length 164
1271 ext_from_hex("00a4 03000000000000000000000000000000", &mut test);
1272 // inbound read from peer id 0 of len 180
1273 ext_from_hex("0300b4", &mut test);
1274 // commitment_signed and mac
1275 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000750100000000000000000000000000000000000000000000000000000000000000 0001 00000000000000000000000000000000000000000000000000000000000000670500000000000000000000000000000000000000000000000000000000000006 03000000000000000000000000000000", &mut test);
1276 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1278 // inbound read from peer id 0 of len 18
1279 ext_from_hex("030012", &mut test);
1280 // message header indicating message length 99
1281 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1282 // inbound read from peer id 0 of len 115
1283 ext_from_hex("030073", &mut test);
1284 // revoke_and_ack and mac
1285 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0d00000000000000000000000000000000000000000000000000000000000000 020f00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1287 // process the now-pending HTLC forward
1288 ext_from_hex("07", &mut test);
1289 // Two feerate requests to check dust exposure
1290 ext_from_hex("00fd00fd", &mut test);
1291 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1293 // connect a block with one transaction of len 125
1294 ext_from_hex("0c007d", &mut test);
1295 // the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
1296 ext_from_hex("02000000013a000000000000000000000000000000000000000000000000000000000000000000000000000000800258020000000000002200204b0000000000000000000000000000000000000000000000000000000000000014c0000000000000160014280000000000000000000000000000000000000005000020", &mut test);
1298 // connect a block with one transaction of len 94
1299 ext_from_hex("0c005e", &mut test);
1300 // the HTLC timeout transaction
1301 ext_from_hex("0200000001730000000000000000000000000000000000000000000000000000000000000000000000000000000001a701000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000", &mut test);
1302 // connect a block with no transactions
1303 ext_from_hex("0c0000", &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);
1313 // process the now-pending HTLC forward
1314 ext_from_hex("07", &mut test);
1315 // client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
1317 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1318 super::do_test(&test, &(Arc::clone(&logger) as Arc<dyn Logger>));
1320 let log_entries = logger.lines.lock().unwrap();
1321 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
1322 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
1323 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
1324 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
1325 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
1326 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
1327 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
1328 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
1329 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
1330 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
1334 fn test_gossip_exchange_breakage() {
1335 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
1336 // changes (such as requesting feerate info in a new place), we exchange some gossip
1337 // messages. Obviously this is pretty finicky, so this should be updated pretty liberally,
1338 // but at least we'll know when changes occur.
1339 // This test serves as a pretty good full_stack_target seed.
1341 // What each byte represents is broken down below, and then everything is concatenated into
1342 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
1344 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
1345 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
1346 // of the Lightning message
1347 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
1348 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
1350 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
1352 let mut test = Vec::new();
1355 ext_from_hex("0100000000000000000000000000000000000000000000000000000000000000", &mut test);
1357 ext_from_hex("0000000000900000000000000000640001000000000001ffff0000000000000000ffffffffffffffffffffffffffffffff0000000000000000ffffffffffffffff000000ffffffff00ffff1a000400010000020400000000040200000a08ffffffffffffffff0001000000", &mut test);
1359 // new outbound connection with id 0
1360 ext_from_hex("00", &mut test);
1362 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000002", &mut test);
1363 // inbound read from peer id 0 of len 50
1364 ext_from_hex("030032", &mut test);
1365 // noise act two (0||pubkey||mac)
1366 ext_from_hex("00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000", &mut test);
1368 // inbound read from peer id 0 of len 18
1369 ext_from_hex("030012", &mut test);
1370 // message header indicating message length 16
1371 ext_from_hex("0010 03000000000000000000000000000000", &mut test);
1372 // inbound read from peer id 0 of len 32
1373 ext_from_hex("030020", &mut test);
1374 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
1375 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 03000000000000000000000000000000", &mut test);
1377 // new inbound connection with id 1
1378 ext_from_hex("01", &mut test);
1379 // inbound read from peer id 1 of len 50
1380 ext_from_hex("030132", &mut test);
1381 // inbound noise act 1
1382 ext_from_hex("0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000", &mut test);
1383 // inbound read from peer id 1 of len 66
1384 ext_from_hex("030142", &mut test);
1385 // inbound noise act 3
1386 ext_from_hex("000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000", &mut test);
1388 // inbound read from peer id 1 of len 18
1389 ext_from_hex("030112", &mut test);
1390 // message header indicating message length 16
1391 ext_from_hex("0010 01000000000000000000000000000000", &mut test);
1392 // inbound read from peer id 1 of len 32
1393 ext_from_hex("030120", &mut test);
1394 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
1395 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 01000000000000000000000000000000", &mut test);
1397 // inbound read from peer id 0 of len 18
1398 ext_from_hex("030012", &mut test);
1399 // message header indicating message length 432
1400 ext_from_hex("01b0 03000000000000000000000000000000", &mut test);
1401 // inbound read from peer id 0 of len 255
1402 ext_from_hex("0300ff", &mut test);
1403 // First part of channel_announcement (type 256)
1404 ext_from_hex("0100 00000000000000000000000000000000000000000000000000000000000000b20303030303030303030303030303030303030303030303030303030303030303 00000000000000000000000000000000000000000000000000000000000000b20202020202020202020202020202020202020202020202020202020202020202 00000000000000000000000000000000000000000000000000000000000000b20303030303030303030303030303030303030303030303030303030303030303 00000000000000000000000000000000000000000000000000000000000000b20202020202020202020202020202020202020202020202020202020202", &mut test);
1405 // inbound read from peer id 0 of len 193
1406 ext_from_hex("0300c1", &mut test);
1407 // Last part of channel_announcement and mac
1408 ext_from_hex("020202 00006fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000000000000000002a030303030303030303030303030303030303030303030303030303030303030303020202020202020202020202020202020202020202020202020202020202020202030303030303030303030303030303030303030303030303030303030303030303020202020202020202020202020202020202020202020202020202020202020202 03000000000000000000000000000000", &mut test);
1410 // inbound read from peer id 0 of len 18
1411 ext_from_hex("030012", &mut test);
1412 // message header indicating message length 138
1413 ext_from_hex("008a 03000000000000000000000000000000", &mut test);
1414 // inbound read from peer id 0 of len 154
1415 ext_from_hex("03009a", &mut test);
1416 // channel_update (type 258) and mac
1417 ext_from_hex("0102 00000000000000000000000000000000000000000000000000000000000000a60303030303030303030303030303030303030303030303030303030303030303 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000 000000000000002a0000002c01000028000000000000000000000000000000000000000005f5e100 03000000000000000000000000000000", &mut test);
1419 // inbound read from peer id 0 of len 18
1420 ext_from_hex("030012", &mut test);
1421 // message header indicating message length 142
1422 ext_from_hex("008e 03000000000000000000000000000000", &mut test);
1423 // inbound read from peer id 0 of len 158
1424 ext_from_hex("03009e", &mut test);
1425 // node_announcement (type 257) and mac
1426 ext_from_hex("0101 00000000000000000000000000000000000000000000000000000000000000280303030303030303030303030303030303030303030303030303030303030303 00000000002b03030303030303030303030303030303030303030303030303030303030303030300000000000000000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1428 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1429 super::do_test(&test, &(Arc::clone(&logger) as Arc<dyn Logger>));
1431 let log_entries = logger.lines.lock().unwrap();
1432 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));
1433 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));
1434 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));