1 // This file is Copyright its original authors, visible in version control
4 // This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
5 // or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
7 // You may not use this file except in accordance with one or both of these
10 //! Test that no series of bytes received over the wire/connections created/payments sent can
11 //! result in a crash. We do this by standing up a node and then reading bytes from input to denote
12 //! actions such as creating new inbound/outbound connections, bytes to be read from a connection,
13 //! or payments to send/ways to handle events generated.
14 //! This test has been very useful, though due to its complexity good starting inputs are critical.
16 use bitcoin::blockdata::constants::genesis_block;
17 use bitcoin::blockdata::transaction::{Transaction, TxOut};
18 use bitcoin::blockdata::script::{Builder, ScriptBuf};
19 use bitcoin::blockdata::opcodes;
20 use bitcoin::blockdata::locktime::absolute::LockTime;
21 use bitcoin::consensus::encode::deserialize;
22 use bitcoin::network::constants::Network;
24 use bitcoin::hashes::hex::FromHex;
25 use bitcoin::hashes::Hash as _;
26 use bitcoin::hashes::sha256::Hash as Sha256;
27 use bitcoin::hashes::sha256d::Hash as Sha256dHash;
28 use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash};
30 use lightning::blinded_path::BlindedPath;
31 use lightning::blinded_path::payment::ReceiveTlvs;
33 use lightning::chain::{BestBlock, ChannelMonitorUpdateStatus, Confirm, Listen};
34 use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
35 use lightning::chain::chainmonitor;
36 use lightning::chain::transaction::OutPoint;
37 use lightning::sign::{InMemorySigner, Recipient, KeyMaterial, EntropySource, NodeSigner, SignerProvider};
38 use lightning::events::Event;
39 use lightning::ln::{ChannelId, PaymentHash, PaymentPreimage, PaymentSecret};
40 use lightning::ln::channelmanager::{ChainParameters, ChannelDetails, ChannelManager, PaymentId, RecipientOnionFields, Retry, InterceptId};
41 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor,IgnoringMessageHandler};
42 use lightning::ln::msgs::{self, DecodeError};
43 use lightning::ln::script::ShutdownScript;
44 use lightning::ln::functional_test_utils::*;
45 use lightning::offers::invoice::{BlindedPayInfo, UnsignedBolt12Invoice};
46 use lightning::offers::invoice_request::UnsignedInvoiceRequest;
47 use lightning::onion_message::messenger::{Destination, MessageRouter, OnionMessagePath};
48 use lightning::routing::gossip::{P2PGossipSync, NetworkGraph};
49 use lightning::routing::utxo::UtxoLookup;
50 use lightning::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteParameters, Router};
51 use lightning::util::config::{ChannelConfig, UserConfig};
52 use lightning::util::hash_tables::*;
53 use lightning::util::errors::APIError;
54 use lightning::util::test_channel_signer::{TestChannelSigner, EnforcementState};
55 use lightning::util::logger::Logger;
56 use lightning::util::ser::{Readable, ReadableArgs, Writeable};
58 use crate::utils::test_logger;
59 use crate::utils::test_persister::TestPersister;
61 use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1, self};
62 use bitcoin::secp256k1::ecdh::SharedSecret;
63 use bitcoin::secp256k1::ecdsa::{RecoverableSignature, Signature};
64 use bitcoin::secp256k1::schnorr;
66 use std::cell::RefCell;
67 use std::convert::TryInto;
69 use std::sync::{Arc, Mutex};
70 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
71 use bitcoin::bech32::u5;
74 pub fn slice_to_be16(v: &[u8]) -> u16 {
75 ((v[0] as u16) << 8*1) |
76 ((v[1] as u16) << 8*0)
80 pub fn be16_to_array(u: u16) -> [u8; 2] {
82 v[0] = ((u >> 8*1) & 0xff) as u8;
83 v[1] = ((u >> 8*0) & 0xff) as u8;
88 pub fn slice_to_be24(v: &[u8]) -> u32 {
89 ((v[0] as u32) << 8*2) |
90 ((v[1] as u32) << 8*1) |
91 ((v[2] as u32) << 8*0)
96 read_pos: AtomicUsize,
99 fn get_slice(&self, len: usize) -> Option<&[u8]> {
100 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
101 if self.data.len() < old_pos + len {
104 Some(&self.data[old_pos..old_pos + len])
107 impl std::io::Read for &InputData {
108 fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
109 if let Some(sl) = self.get_slice(buf.len()) {
110 buf.copy_from_slice(sl);
118 struct FuzzEstimator {
119 input: Arc<InputData>,
121 impl FeeEstimator for FuzzEstimator {
122 fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
123 //TODO: We should actually be testing at least much more than 64k...
124 match self.input.get_slice(2) {
125 Some(slice) => cmp::max(slice_to_be16(slice) as u32, 253),
133 impl Router for FuzzRouter {
135 &self, _payer: &PublicKey, _params: &RouteParameters, _first_hops: Option<&[&ChannelDetails]>,
136 _inflight_htlcs: InFlightHtlcs
137 ) -> Result<Route, msgs::LightningError> {
138 Err(msgs::LightningError {
139 err: String::from("Not implemented"),
140 action: msgs::ErrorAction::IgnoreError
144 fn create_blinded_payment_paths<T: secp256k1::Signing + secp256k1::Verification>(
145 &self, _recipient: PublicKey, _first_hops: Vec<ChannelDetails>, _tlvs: ReceiveTlvs,
146 _amount_msats: u64, _secp_ctx: &Secp256k1<T>,
147 ) -> Result<Vec<(BlindedPayInfo, BlindedPath)>, ()> {
152 impl MessageRouter for FuzzRouter {
154 &self, _sender: PublicKey, _peers: Vec<PublicKey>, _destination: Destination
155 ) -> Result<OnionMessagePath, ()> {
159 fn create_blinded_paths<T: secp256k1::Signing + secp256k1::Verification>(
160 &self, _recipient: PublicKey, _peers: Vec<PublicKey>, _secp_ctx: &Secp256k1<T>,
161 ) -> Result<Vec<BlindedPath>, ()> {
166 struct TestBroadcaster {
167 txn_broadcasted: Mutex<Vec<Transaction>>,
169 impl BroadcasterInterface for TestBroadcaster {
170 fn broadcast_transactions(&self, txs: &[&Transaction]) {
171 let owned_txs: Vec<Transaction> = txs.iter().map(|tx| (*tx).clone()).collect();
172 self.txn_broadcasted.lock().unwrap().extend(owned_txs);
179 peers_connected: &'a RefCell<[bool; 256]>,
181 impl<'a> SocketDescriptor for Peer<'a> {
182 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
185 fn disconnect_socket(&mut self) {
186 assert!(self.peers_connected.borrow()[self.id as usize]);
187 self.peers_connected.borrow_mut()[self.id as usize] = false;
190 impl<'a> PartialEq for Peer<'a> {
191 fn eq(&self, other: &Self) -> bool {
195 impl<'a> Eq for Peer<'a> {}
196 impl<'a> std::hash::Hash for Peer<'a> {
197 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
202 type ChannelMan<'a> = ChannelManager<
203 Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
204 Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<FuzzEstimator>, &'a FuzzRouter, Arc<dyn Logger>>;
205 type PeerMan<'a> = PeerManager<Peer<'a>, Arc<ChannelMan<'a>>, Arc<P2PGossipSync<Arc<NetworkGraph<Arc<dyn Logger>>>, Arc<dyn UtxoLookup>, Arc<dyn Logger>>>, IgnoringMessageHandler, Arc<dyn Logger>, IgnoringMessageHandler, Arc<KeyProvider>>;
207 struct MoneyLossDetector<'a> {
208 manager: Arc<ChannelMan<'a>>,
209 monitor: Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
210 handler: PeerMan<'a>,
212 peers: &'a RefCell<[bool; 256]>,
213 funding_txn: Vec<Transaction>,
214 txids_confirmed: HashMap<Txid, usize>,
215 header_hashes: Vec<(BlockHash, u32)>,
218 blocks_connected: u32,
220 impl<'a> MoneyLossDetector<'a> {
221 pub fn new(peers: &'a RefCell<[bool; 256]>,
222 manager: Arc<ChannelMan<'a>>,
223 monitor: Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
224 handler: PeerMan<'a>) -> Self {
231 funding_txn: Vec::new(),
232 txids_confirmed: new_hash_map(),
233 header_hashes: vec![(genesis_block(Network::Bitcoin).block_hash(), 0)],
240 fn connect_block(&mut self, all_txn: &[Transaction]) {
241 let mut txdata = Vec::with_capacity(all_txn.len());
242 for (idx, tx) in all_txn.iter().enumerate() {
243 let txid = tx.txid();
244 self.txids_confirmed.entry(txid).or_insert_with(|| {
245 txdata.push((idx + 1, tx));
250 self.blocks_connected += 1;
251 let header = create_dummy_header(self.header_hashes[self.height].0, self.blocks_connected);
253 self.manager.transactions_confirmed(&header, &txdata, self.height as u32);
254 self.manager.best_block_updated(&header, self.height as u32);
255 (*self.monitor).transactions_confirmed(&header, &txdata, self.height as u32);
256 (*self.monitor).best_block_updated(&header, self.height as u32);
257 if self.header_hashes.len() > self.height {
258 self.header_hashes[self.height] = (header.block_hash(), self.blocks_connected);
260 assert_eq!(self.header_hashes.len(), self.height);
261 self.header_hashes.push((header.block_hash(), self.blocks_connected));
263 self.max_height = cmp::max(self.height, self.max_height);
266 fn disconnect_block(&mut self) {
267 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
268 let header = create_dummy_header(self.header_hashes[self.height - 1].0, self.header_hashes[self.height].1);
269 self.manager.block_disconnected(&header, self.height as u32);
270 self.monitor.block_disconnected(&header, self.height as u32);
272 let removal_height = self.height;
273 self.txids_confirmed.retain(|_, height| {
274 removal_height != *height
280 impl<'a> Drop for MoneyLossDetector<'a> {
282 if !::std::thread::panicking() {
283 // Disconnect all peers
284 for (idx, peer) in self.peers.borrow().iter().enumerate() {
286 self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
290 // Force all channels onto the chain (and time out claim txn)
291 self.manager.force_close_all_channels_broadcasting_latest_txn();
297 node_secret: SecretKey,
298 inbound_payment_key: KeyMaterial,
300 signer_state: RefCell<HashMap<u8, (bool, Arc<Mutex<EnforcementState>>)>>
303 impl EntropySource for KeyProvider {
304 fn get_secure_random_bytes(&self) -> [u8; 32] {
305 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
306 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
307 (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]
311 impl NodeSigner for KeyProvider {
312 fn get_node_id(&self, recipient: Recipient) -> Result<PublicKey, ()> {
313 let node_secret = match recipient {
314 Recipient::Node => Ok(&self.node_secret),
315 Recipient::PhantomNode => Err(())
317 Ok(PublicKey::from_secret_key(&Secp256k1::signing_only(), node_secret))
320 fn ecdh(&self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&Scalar>) -> Result<SharedSecret, ()> {
321 let mut node_secret = match recipient {
322 Recipient::Node => Ok(self.node_secret.clone()),
323 Recipient::PhantomNode => Err(())
325 if let Some(tweak) = tweak {
326 node_secret = node_secret.mul_tweak(tweak).map_err(|_| ())?;
328 Ok(SharedSecret::new(other_key, &node_secret))
331 fn get_inbound_payment_key_material(&self) -> KeyMaterial {
332 self.inbound_payment_key.clone()
335 fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
339 fn sign_bolt12_invoice_request(
340 &self, _invoice_request: &UnsignedInvoiceRequest
341 ) -> Result<schnorr::Signature, ()> {
345 fn sign_bolt12_invoice(
346 &self, _invoice: &UnsignedBolt12Invoice,
347 ) -> Result<schnorr::Signature, ()> {
351 fn sign_gossip_message(&self, msg: lightning::ln::msgs::UnsignedGossipMessage) -> Result<Signature, ()> {
352 let msg_hash = Message::from_slice(&Sha256dHash::hash(&msg.encode()[..])[..]).map_err(|_| ())?;
353 let secp_ctx = Secp256k1::signing_only();
354 Ok(secp_ctx.sign_ecdsa(&msg_hash, &self.node_secret))
358 impl SignerProvider for KeyProvider {
359 type EcdsaSigner = TestChannelSigner;
361 type TaprootSigner = TestChannelSigner;
363 fn generate_channel_keys_id(&self, inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128) -> [u8; 32] {
364 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
365 self.signer_state.borrow_mut().insert(ctr, (inbound, Arc::new(Mutex::new(EnforcementState::new()))));
369 fn derive_channel_signer(&self, channel_value_satoshis: u64, channel_keys_id: [u8; 32]) -> Self::EcdsaSigner {
370 let secp_ctx = Secp256k1::signing_only();
371 let ctr = channel_keys_id[0];
372 let (inbound, state) = self.signer_state.borrow().get(&ctr).unwrap().clone();
373 TestChannelSigner::new_with_revoked(if inbound {
376 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(),
377 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(),
378 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(),
379 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, ctr]).unwrap(),
380 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, ctr]).unwrap(),
381 [0, 0, 0, 0, 0, 0, 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],
382 channel_value_satoshis,
389 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(),
390 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(),
391 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(),
392 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, ctr]).unwrap(),
393 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, ctr]).unwrap(),
394 [0, 0, 0, 0, 0, 0, 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],
395 channel_value_satoshis,
402 fn read_chan_signer(&self, mut data: &[u8]) -> Result<TestChannelSigner, DecodeError> {
403 let inner: InMemorySigner = ReadableArgs::read(&mut data, self)?;
404 let state = Arc::new(Mutex::new(EnforcementState::new()));
406 Ok(TestChannelSigner::new_with_revoked(
413 fn get_destination_script(&self, _channel_keys_id: [u8; 32]) -> Result<ScriptBuf, ()> {
414 let secp_ctx = Secp256k1::signing_only();
415 let channel_monitor_claim_key = SecretKey::from_slice(&<Vec<u8>>::from_hex("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
416 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
417 Ok(Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(our_channel_monitor_claim_key_hash).into_script())
420 fn get_shutdown_scriptpubkey(&self) -> Result<ShutdownScript, ()> {
421 let secp_ctx = Secp256k1::signing_only();
422 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();
423 let pubkey_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &secret_key).serialize());
424 Ok(ShutdownScript::new_p2wpkh(&pubkey_hash))
429 pub fn do_test(mut data: &[u8], logger: &Arc<dyn Logger>) {
430 if data.len() < 32 { return; }
432 let our_network_key = match SecretKey::from_slice(&data[..32]) {
438 let config: UserConfig = if let Ok(config) = Readable::read(&mut data) { config } else { return; };
440 let input = Arc::new(InputData {
442 read_pos: AtomicUsize::new(0),
444 let fee_est = Arc::new(FuzzEstimator {
445 input: input.clone(),
447 let router = FuzzRouter {};
449 macro_rules! get_slice {
451 match input.get_slice($len as usize) {
452 Some(slice) => slice,
458 macro_rules! get_bytes {
460 let mut res = [0; $len];
461 match input.get_slice($len as usize) {
462 Some(slice) => res.copy_from_slice(slice),
469 macro_rules! get_pubkey {
471 match PublicKey::from_slice(get_slice!(33)) {
479 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];
481 let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
482 let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(),
483 Arc::new(TestPersister { update_ret: Mutex::new(ChannelMonitorUpdateStatus::Completed) })));
485 let keys_manager = Arc::new(KeyProvider {
486 node_secret: our_network_key.clone(),
487 inbound_payment_key: KeyMaterial(inbound_payment_key.try_into().unwrap()),
488 counter: AtomicU64::new(0),
489 signer_state: RefCell::new(new_hash_map())
491 let network = Network::Bitcoin;
492 let best_block_timestamp = genesis_block(network).header.time;
493 let params = ChainParameters {
495 best_block: BestBlock::from_network(network),
497 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));
498 // Adding new calls to `EntropySource::get_secure_random_bytes` during startup can change all the
499 // keys subsequently generated in this test. Rather than regenerating all the messages manually,
500 // it's easier to just increment the counter here so the keys don't change.
501 keys_manager.counter.fetch_sub(3, Ordering::AcqRel);
502 let network_graph = Arc::new(NetworkGraph::new(network, Arc::clone(&logger)));
503 let gossip_sync = Arc::new(P2PGossipSync::new(Arc::clone(&network_graph), None, Arc::clone(&logger)));
505 let peers = RefCell::new([false; 256]);
506 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
507 chan_handler: channelmanager.clone(),
508 route_handler: gossip_sync.clone(),
509 onion_message_handler: IgnoringMessageHandler {},
510 custom_message_handler: IgnoringMessageHandler {},
511 }, 0, &[0, 0, 0, 0, 0, 0, 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()));
513 let mut should_forward = false;
514 let mut payments_received: Vec<PaymentHash> = Vec::new();
515 let mut intercepted_htlcs: Vec<InterceptId> = Vec::new();
516 let mut payments_sent: u16 = 0;
517 let mut pending_funding_generation: Vec<(ChannelId, PublicKey, u64, ScriptBuf)> = Vec::new();
518 let mut pending_funding_signatures = new_hash_map();
521 match get_slice!(1)[0] {
525 if !peers.borrow()[i-1] {
530 if new_id == 0 { return; }
531 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
532 peers.borrow_mut()[new_id - 1] = true;
537 if !peers.borrow()[i-1] {
542 if new_id == 0 { return; }
543 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
544 peers.borrow_mut()[new_id - 1] = true;
547 let peer_id = get_slice!(1)[0];
548 if !peers.borrow()[peer_id as usize] { return; }
549 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
550 peers.borrow_mut()[peer_id as usize] = false;
553 let peer_id = get_slice!(1)[0];
554 if !peers.borrow()[peer_id as usize] { return; }
555 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
556 Ok(res) => assert!(!res),
557 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
561 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
562 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
563 let params = RouteParameters::from_payment_params_and_value(
564 payment_params, final_value_msat);
565 let mut payment_hash = PaymentHash([0; 32]);
566 payment_hash.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
567 payment_hash.0 = Sha256::hash(&payment_hash.0[..]).to_byte_array();
569 let _ = channelmanager.send_payment(
570 payment_hash, RecipientOnionFields::spontaneous_empty(),
571 PaymentId(payment_hash.0), params, Retry::Attempts(2)
575 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
576 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
577 let params = RouteParameters::from_payment_params_and_value(
578 payment_params, final_value_msat);
579 let mut payment_hash = PaymentHash([0; 32]);
580 payment_hash.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
581 payment_hash.0 = Sha256::hash(&payment_hash.0[..]).to_byte_array();
583 let mut payment_secret = PaymentSecret([0; 32]);
584 payment_secret.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
586 let _ = channelmanager.send_payment(
587 payment_hash, RecipientOnionFields::secret_only(payment_secret),
588 PaymentId(payment_hash.0), params, Retry::Attempts(2)
592 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
593 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
594 let params = RouteParameters::from_payment_params_and_value(
595 payment_params, final_value_msat);
596 let _ = channelmanager.send_preflight_probes(params, None);
599 let idx = u16::from_be_bytes(get_bytes!(2)) % cmp::max(payments_sent, 1);
600 let mut payment_id = PaymentId([0; 32]);
601 payment_id.0[0..2].copy_from_slice(&idx.to_be_bytes());
602 channelmanager.abandon_payment(payment_id);
605 let peer_id = get_slice!(1)[0];
606 if !peers.borrow()[peer_id as usize] { return; }
607 let their_key = get_pubkey!();
608 let chan_value = slice_to_be24(get_slice!(3)) as u64;
609 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
610 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None, None).is_err() { return; }
613 let mut channels = channelmanager.list_channels();
614 let channel_id = get_slice!(1)[0] as usize;
615 if channel_id >= channels.len() { return; }
616 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
617 if channelmanager.close_channel(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).is_err() { return; }
621 channelmanager.process_pending_htlc_forwards();
622 should_forward = false;
626 for payment in payments_received.drain(..) {
627 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
628 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
629 // fulfill this HTLC, but if they are, we can just take the first byte and
630 // place that anywhere in our preimage.
631 if &payment.0[1..] != &[0; 31] {
632 channelmanager.fail_htlc_backwards(&payment);
634 let mut payment_preimage = PaymentPreimage([0; 32]);
635 payment_preimage.0[0] = payment.0[0];
636 channelmanager.claim_funds(payment_preimage);
641 let payment_preimage = PaymentPreimage(keys_manager.get_secure_random_bytes());
642 let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0[..]).to_byte_array());
643 // Note that this may fail - our hashes may collide and we'll end up trying to
644 // double-register the same payment_hash.
645 let _ = channelmanager.create_inbound_payment_for_hash(payment_hash, None, 1, None);
648 for payment in payments_received.drain(..) {
649 channelmanager.fail_htlc_backwards(&payment);
653 let mut tx = Transaction { version: 0, lock_time: LockTime::ZERO, input: Vec::new(), output: Vec::new() };
654 let mut channels = Vec::new();
655 for funding_generation in pending_funding_generation.drain(..) {
657 value: funding_generation.2, script_pubkey: funding_generation.3,
659 if !tx.output.contains(&txout) {
660 tx.output.push(txout);
661 channels.push((funding_generation.0, funding_generation.1));
664 // Once we switch to V2 channel opens we should be able to drop this entirely as
665 // channel_ids no longer change when we set the funding tx.
667 if tx.version > 0xff {
670 let funding_txid = tx.txid();
671 if loss_detector.txids_confirmed.get(&funding_txid).is_none() {
672 let outpoint = OutPoint { txid: funding_txid, index: 0 };
673 for chan in channelmanager.list_channels() {
674 if chan.channel_id == ChannelId::v1_from_funding_outpoint(outpoint) {
676 continue 'search_loop;
683 if tx.version <= 0xff && !channels.is_empty() {
684 let chans = channels.iter().map(|(a, b)| (a, b)).collect::<Vec<_>>();
685 if let Err(e) = channelmanager.batch_funding_transaction_generated(&chans, tx.clone()) {
686 // It's possible the channel has been closed in the mean time, but any other
687 // failure may be a bug.
688 if let APIError::ChannelUnavailable { .. } = e { } else { panic!(); }
690 let funding_txid = tx.txid();
691 for idx in 0..tx.output.len() {
692 let outpoint = OutPoint { txid: funding_txid, index: idx as u16 };
693 pending_funding_signatures.insert(outpoint, tx.clone());
698 let mut txn = broadcast.txn_broadcasted.lock().unwrap().split_off(0);
700 loss_detector.connect_block(&txn[..]);
702 loss_detector.connect_block(&[]);
705 for tx in txn.drain(..) {
706 loss_detector.funding_txn.push(tx);
710 let txlen = u16::from_be_bytes(get_bytes!(2));
712 loss_detector.connect_block(&[]);
714 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
715 if let Ok(tx) = txres {
716 let mut output_val = 0;
717 for out in tx.output.iter() {
718 if out.value > 21_000_000_0000_0000 { return; }
719 output_val += out.value;
720 if output_val > 21_000_000_0000_0000 { return; }
722 loss_detector.connect_block(&[tx]);
729 loss_detector.disconnect_block();
732 let mut channels = channelmanager.list_channels();
733 let channel_id = get_slice!(1)[0] as usize;
734 if channel_id >= channels.len() { return; }
735 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
736 channelmanager.force_close_broadcasting_latest_txn(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).unwrap();
738 // 15, 16, 17, 18 is above
740 let mut list = loss_detector.handler.list_peers();
741 list.sort_by_key(|v| v.counterparty_node_id);
742 if let Some(peer_details) = list.get(0) {
743 loss_detector.handler.disconnect_by_node_id(peer_details.counterparty_node_id);
746 20 => loss_detector.handler.disconnect_all_peers(),
747 21 => loss_detector.handler.timer_tick_occurred(),
749 loss_detector.handler.broadcast_node_announcement([42; 3], [43; 32], Vec::new()),
750 32 => channelmanager.timer_tick_occurred(),
752 for id in intercepted_htlcs.drain(..) {
753 channelmanager.fail_intercepted_htlc(id).unwrap();
757 let amt = u64::from_be_bytes(get_bytes!(8));
758 let chans = channelmanager.list_channels();
759 for id in intercepted_htlcs.drain(..) {
760 if chans.is_empty() {
761 channelmanager.fail_intercepted_htlc(id).unwrap();
763 let chan = &chans[amt as usize % chans.len()];
764 channelmanager.forward_intercepted_htlc(id, &chan.channel_id, chan.counterparty.node_id, amt).unwrap();
769 let config: ChannelConfig =
770 if let Ok(c) = Readable::read(&mut &*input) { c } else { return; };
771 let chans = channelmanager.list_channels();
772 if let Some(chan) = chans.get(0) {
773 let _ = channelmanager.update_channel_config(
774 &chan.counterparty.node_id, &[chan.channel_id], &config
780 loss_detector.handler.process_events();
781 for event in loss_detector.manager.get_and_clear_pending_events() {
783 Event::FundingGenerationReady { temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script, .. } => {
784 pending_funding_generation.push((temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script));
786 Event::PaymentClaimable { payment_hash, .. } => {
787 //TODO: enhance by fetching random amounts from fuzz input?
788 payments_received.push(payment_hash);
790 Event::PendingHTLCsForwardable {..} => {
791 should_forward = true;
793 Event::HTLCIntercepted { intercept_id, .. } => {
794 if !intercepted_htlcs.contains(&intercept_id) {
795 intercepted_htlcs.push(intercept_id);
804 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
805 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
806 do_test(data, &logger);
810 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
811 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
812 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
817 use bitcoin::hashes::hex::FromHex;
818 use lightning::util::logger::{Logger, Record};
819 use std::collections::HashMap;
820 use std::sync::{Arc, Mutex};
822 struct TrackingLogger {
823 /// (module, message) -> count
824 pub lines: Mutex<HashMap<(String, String), usize>>,
826 impl Logger for TrackingLogger {
827 fn log(&self, record: Record) {
828 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
829 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
833 fn ext_from_hex(hex_with_spaces: &str, out: &mut Vec<u8>) {
834 for hex in hex_with_spaces.split(" ") {
835 out.append(&mut <Vec<u8>>::from_hex(hex).unwrap());
840 fn test_no_existing_test_breakage() {
841 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
842 // changes (such as requesting feerate info in a new place), we run a pretty full
843 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
844 // so this should be updated pretty liberally, but at least we'll know when changes occur.
845 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
847 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
848 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
849 // of the Lightning message
850 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
851 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
853 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
855 let mut test = Vec::new();
857 ext_from_hex("0100000000000000000000000000000000000000000000000000000000000000", &mut test);
859 ext_from_hex("0000000000900000000000000000640001000000000001ffff0000000000000000ffffffffffffffffffffffffffffffff0000000000000000ffffffffffffffff000000ffffffff00ffff1a000400010000020400000000040200000a08ffffffffffffffff0001000000", &mut test);
861 // new outbound connection with id 0
862 ext_from_hex("00", &mut test);
864 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000002", &mut test);
865 // inbound read from peer id 0 of len 50
866 ext_from_hex("030032", &mut test);
867 // noise act two (0||pubkey||mac)
868 ext_from_hex("00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000", &mut test);
870 // inbound read from peer id 0 of len 18
871 ext_from_hex("030012", &mut test);
872 // message header indicating message length 16
873 ext_from_hex("0010 03000000000000000000000000000000", &mut test);
874 // inbound read from peer id 0 of len 32
875 ext_from_hex("030020", &mut test);
876 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
877 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 03000000000000000000000000000000", &mut test);
879 // inbound read from peer id 0 of len 18
880 ext_from_hex("030012", &mut test);
881 // message header indicating message length 327
882 ext_from_hex("0147 03000000000000000000000000000000", &mut test);
883 // inbound read from peer id 0 of len 254
884 ext_from_hex("0300fe", &mut test);
885 // beginning of open_channel message
886 ext_from_hex("0020 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000162 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004", &mut test);
887 // inbound read from peer id 0 of len 89
888 ext_from_hex("030059", &mut test);
889 // rest of open_channel and mac
890 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 0000 01021000 03000000000000000000000000000000", &mut test);
892 // One feerate request returning min feerate, which our open_channel also uses (ingested by FuzzEstimator)
893 ext_from_hex("00fd", &mut test);
894 // client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
896 // inbound read from peer id 0 of len 18
897 ext_from_hex("030012", &mut test);
898 // message header indicating message length 132
899 ext_from_hex("0084 03000000000000000000000000000000", &mut test);
900 // inbound read from peer id 0 of len 148
901 ext_from_hex("030094", &mut test);
902 // funding_created and mac
903 ext_from_hex("0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 00000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
904 // client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
906 // connect a block with one transaction of len 94
907 ext_from_hex("0c005e", &mut test);
908 // the funding transaction
909 ext_from_hex("020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000", &mut test);
910 // connect a block with no transactions, one per line
911 ext_from_hex("0c0000", &mut test);
912 ext_from_hex("0c0000", &mut test);
913 ext_from_hex("0c0000", &mut test);
914 ext_from_hex("0c0000", &mut test);
915 ext_from_hex("0c0000", &mut test);
916 ext_from_hex("0c0000", &mut test);
917 ext_from_hex("0c0000", &mut test);
918 ext_from_hex("0c0000", &mut test);
919 ext_from_hex("0c0000", &mut test);
920 ext_from_hex("0c0000", &mut test);
921 ext_from_hex("0c0000", &mut test);
922 ext_from_hex("0c0000", &mut test);
923 // by now client should have sent a channel_ready (CHECK 3: SendChannelReady to 03000000 for chan 3d000000)
925 // inbound read from peer id 0 of len 18
926 ext_from_hex("030012", &mut test);
927 // message header indicating message length 67
928 ext_from_hex("0043 03000000000000000000000000000000", &mut test);
929 // inbound read from peer id 0 of len 83
930 ext_from_hex("030053", &mut test);
931 // channel_ready and mac
932 ext_from_hex("0024 3d00000000000000000000000000000000000000000000000000000000000000 020800000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
934 // new inbound connection with id 1
935 ext_from_hex("01", &mut test);
936 // inbound read from peer id 1 of len 50
937 ext_from_hex("030132", &mut test);
938 // inbound noise act 1
939 ext_from_hex("0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000", &mut test);
940 // inbound read from peer id 1 of len 66
941 ext_from_hex("030142", &mut test);
942 // inbound noise act 3
943 ext_from_hex("000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000", &mut test);
945 // inbound read from peer id 1 of len 18
946 ext_from_hex("030112", &mut test);
947 // message header indicating message length 16
948 ext_from_hex("0010 01000000000000000000000000000000", &mut test);
949 // inbound read from peer id 1 of len 32
950 ext_from_hex("030120", &mut test);
951 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
952 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 01000000000000000000000000000000", &mut test);
954 // create outbound channel to peer 1 for 50k sat
955 ext_from_hex("05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8", &mut test);
956 // One feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
957 ext_from_hex("00fd", &mut test);
959 // inbound read from peer id 1 of len 18
960 ext_from_hex("030112", &mut test);
961 // message header indicating message length 274
962 ext_from_hex("0112 01000000000000000000000000000000", &mut test);
963 // inbound read from peer id 1 of len 255
964 ext_from_hex("0301ff", &mut test);
965 // beginning of accept_channel
966 ext_from_hex("0021 0000000000000000000000000000000000000000000000000000000000000e05 0000000000000162 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 02660000000000000000000000000000", &mut test);
967 // inbound read from peer id 1 of len 35
968 ext_from_hex("030123", &mut test);
969 // rest of accept_channel and mac
970 ext_from_hex("0000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
972 // create the funding transaction (client should send funding_created now)
973 ext_from_hex("0a", &mut test);
974 // Two feerate requests to check the dust exposure on the initial commitment tx
975 ext_from_hex("00fd00fd", &mut test);
977 // inbound read from peer id 1 of len 18
978 ext_from_hex("030112", &mut test);
979 // message header indicating message length 98
980 ext_from_hex("0062 01000000000000000000000000000000", &mut test);
981 // inbound read from peer id 1 of len 114
982 ext_from_hex("030172", &mut test);
983 // funding_signed message and mac
984 ext_from_hex("0023 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
986 // broadcast funding transaction
987 ext_from_hex("0b", &mut test);
988 // by now client should have sent a channel_ready (CHECK 4: SendChannelReady to 03020000 for chan 3f000000)
990 // inbound read from peer id 1 of len 18
991 ext_from_hex("030112", &mut test);
992 // message header indicating message length 67
993 ext_from_hex("0043 01000000000000000000000000000000", &mut test);
994 // inbound read from peer id 1 of len 83
995 ext_from_hex("030153", &mut test);
996 // channel_ready and mac
997 ext_from_hex("0024 3a00000000000000000000000000000000000000000000000000000000000000 026700000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
999 // inbound read from peer id 0 of len 18
1000 ext_from_hex("030012", &mut test);
1001 // message header indicating message length 1452
1002 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1003 // inbound read from peer id 0 of len 255
1004 ext_from_hex("0300ff", &mut test);
1005 // beginning of update_add_htlc from 0 to 1 via client
1006 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1007 // inbound read from peer id 0 of len 255
1008 ext_from_hex("0300ff", &mut test);
1009 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1010 // inbound read from peer id 0 of len 255
1011 ext_from_hex("0300ff", &mut test);
1012 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1013 // inbound read from peer id 0 of len 255
1014 ext_from_hex("0300ff", &mut test);
1015 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1016 // inbound read from peer id 0 of len 255
1017 ext_from_hex("0300ff", &mut test);
1018 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1019 // inbound read from peer id 0 of len 193
1020 ext_from_hex("0300c1", &mut test);
1021 // end of update_add_htlc from 0 to 1 via client and mac
1022 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1024 // Two feerate requests to check dust exposure
1025 ext_from_hex("00fd00fd", &mut test);
1027 // inbound read from peer id 0 of len 18
1028 ext_from_hex("030012", &mut test);
1029 // message header indicating message length 100
1030 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1031 // inbound read from peer id 0 of len 116
1032 ext_from_hex("030074", &mut test);
1033 // commitment_signed and mac
1034 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000300100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1035 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
1037 // inbound read from peer id 0 of len 18
1038 ext_from_hex("030012", &mut test);
1039 // message header indicating message length 99
1040 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1041 // inbound read from peer id 0 of len 115
1042 ext_from_hex("030073", &mut test);
1043 // revoke_and_ack and mac
1044 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0900000000000000000000000000000000000000000000000000000000000000 020b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1046 // process the now-pending HTLC forward
1047 ext_from_hex("07", &mut test);
1048 // Two feerate requests to check dust exposure
1049 ext_from_hex("00fd00fd", &mut test);
1050 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: UpdateHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
1052 // we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
1053 // inbound read from peer id 1 of len 18
1054 ext_from_hex("030112", &mut test);
1055 // message header indicating message length 100
1056 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1057 // inbound read from peer id 1 of len 116
1058 ext_from_hex("030174", &mut test);
1059 // commitment_signed and mac
1060 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000006a0001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1062 // inbound read from peer id 1 of len 18
1063 ext_from_hex("030112", &mut test);
1064 // message header indicating message length 99
1065 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1066 // inbound read from peer id 1 of len 115
1067 ext_from_hex("030173", &mut test);
1068 // revoke_and_ack and mac
1069 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6600000000000000000000000000000000000000000000000000000000000000 026400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1071 // inbound read from peer id 1 of len 18
1072 ext_from_hex("030112", &mut test);
1073 // message header indicating message length 74
1074 ext_from_hex("004a 01000000000000000000000000000000", &mut test);
1075 // inbound read from peer id 1 of len 90
1076 ext_from_hex("03015a", &mut test);
1077 // update_fulfill_htlc and mac
1078 ext_from_hex("0082 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000", &mut test);
1079 // client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
1081 // inbound read from peer id 1 of len 18
1082 ext_from_hex("030112", &mut test);
1083 // message header indicating message length 100
1084 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1085 // inbound read from peer id 1 of len 116
1086 ext_from_hex("030174", &mut test);
1087 // commitment_signed and mac
1088 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000100001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1090 // inbound read from peer id 1 of len 18
1091 ext_from_hex("030112", &mut test);
1092 // message header indicating message length 99
1093 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1094 // inbound read from peer id 1 of len 115
1095 ext_from_hex("030173", &mut test);
1096 // revoke_and_ack and mac
1097 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6700000000000000000000000000000000000000000000000000000000000000 026500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1099 // before responding to the commitment_signed generated above, send a new HTLC
1100 // inbound read from peer id 0 of len 18
1101 ext_from_hex("030012", &mut test);
1102 // message header indicating message length 1452
1103 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1104 // inbound read from peer id 0 of len 255
1105 ext_from_hex("0300ff", &mut test);
1106 // beginning of update_add_htlc from 0 to 1 via client
1107 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1108 // inbound read from peer id 0 of len 255
1109 ext_from_hex("0300ff", &mut test);
1110 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1111 // inbound read from peer id 0 of len 255
1112 ext_from_hex("0300ff", &mut test);
1113 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1114 // inbound read from peer id 0 of len 255
1115 ext_from_hex("0300ff", &mut test);
1116 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1117 // inbound read from peer id 0 of len 255
1118 ext_from_hex("0300ff", &mut test);
1119 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1120 // inbound read from peer id 0 of len 193
1121 ext_from_hex("0300c1", &mut test);
1122 // end of update_add_htlc from 0 to 1 via client and mac
1123 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1125 // Two feerate requests to check dust exposure
1126 ext_from_hex("00fd00fd", &mut test);
1128 // now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
1129 // inbound read from peer id 0 of len 18
1130 ext_from_hex("030012", &mut test);
1131 // message header indicating message length 99
1132 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1133 // inbound read from peer id 0 of len 115
1134 ext_from_hex("030073", &mut test);
1135 // revoke_and_ack and mac
1136 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0800000000000000000000000000000000000000000000000000000000000000 020a00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1137 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1139 // inbound read from peer id 0 of len 18
1140 ext_from_hex("030012", &mut test);
1141 // message header indicating message length 100
1142 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1143 // inbound read from peer id 0 of len 116
1144 ext_from_hex("030074", &mut test);
1145 // commitment_signed and mac
1146 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000c30100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1148 // inbound read from peer id 0 of len 18
1149 ext_from_hex("030012", &mut test);
1150 // message header indicating message length 99
1151 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1152 // inbound read from peer id 0 of len 115
1153 ext_from_hex("030073", &mut test);
1154 // revoke_and_ack and mac
1155 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0b00000000000000000000000000000000000000000000000000000000000000 020d00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1157 // process the now-pending HTLC forward
1158 ext_from_hex("07", &mut test);
1160 // Two feerate requests to check dust exposure
1161 ext_from_hex("00fd00fd", &mut test);
1163 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1164 // we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
1166 // inbound read from peer id 1 of len 18
1167 ext_from_hex("030112", &mut test);
1168 // message header indicating message length 100
1169 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1170 // inbound read from peer id 1 of len 116
1171 ext_from_hex("030174", &mut test);
1172 // commitment_signed and mac
1173 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1175 // inbound read from peer id 1 of len 18
1176 ext_from_hex("030112", &mut test);
1177 // message header indicating message length 99
1178 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1179 // inbound read from peer id 1 of len 115
1180 ext_from_hex("030173", &mut test);
1181 // revoke_and_ack and mac
1182 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6400000000000000000000000000000000000000000000000000000000000000 027000000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1184 // inbound read from peer id 1 of len 18
1185 ext_from_hex("030112", &mut test);
1186 // message header indicating message length 44
1187 ext_from_hex("002c 01000000000000000000000000000000", &mut test);
1188 // inbound read from peer id 1 of len 60
1189 ext_from_hex("03013c", &mut test);
1190 // update_fail_htlc and mac
1191 ext_from_hex("0083 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000", &mut test);
1193 // inbound read from peer id 1 of len 18
1194 ext_from_hex("030112", &mut test);
1195 // message header indicating message length 100
1196 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1197 // inbound read from peer id 1 of len 116
1198 ext_from_hex("030174", &mut test);
1199 // commitment_signed and mac
1200 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1202 // inbound read from peer id 1 of len 18
1203 ext_from_hex("030112", &mut test);
1204 // message header indicating message length 99
1205 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1206 // inbound read from peer id 1 of len 115
1207 ext_from_hex("030173", &mut test);
1208 // revoke_and_ack and mac
1209 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6500000000000000000000000000000000000000000000000000000000000000 027100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1211 // process the now-pending HTLC forward
1212 ext_from_hex("07", &mut test);
1213 // client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
1214 // now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
1216 // inbound read from peer id 0 of len 18
1217 ext_from_hex("030012", &mut test);
1218 // message header indicating message length 99
1219 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1220 // inbound read from peer id 0 of len 115
1221 ext_from_hex("030073", &mut test);
1222 // revoke_and_ack and mac
1223 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0a00000000000000000000000000000000000000000000000000000000000000 020c00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1225 // inbound read from peer id 0 of len 18
1226 ext_from_hex("030012", &mut test);
1227 // message header indicating message length 100
1228 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1229 // inbound read from peer id 0 of len 116
1230 ext_from_hex("030074", &mut test);
1231 // commitment_signed and mac
1232 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000320100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1233 // client should now respond with revoke_and_ack (CHECK 5 duplicate)
1235 // inbound read from peer id 0 of len 18
1236 ext_from_hex("030012", &mut test);
1237 // message header indicating message length 1452
1238 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1239 // inbound read from peer id 0 of len 255
1240 ext_from_hex("0300ff", &mut test);
1241 // beginning of update_add_htlc from 0 to 1 via client
1242 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 12 02030927c0 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1243 // inbound read from peer id 0 of len 255
1244 ext_from_hex("0300ff", &mut test);
1245 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1246 // inbound read from peer id 0 of len 255
1247 ext_from_hex("0300ff", &mut test);
1248 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1249 // inbound read from peer id 0 of len 255
1250 ext_from_hex("0300ff", &mut test);
1251 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1252 // inbound read from peer id 0 of len 255
1253 ext_from_hex("0300ff", &mut test);
1254 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1255 // inbound read from peer id 0 of len 193
1256 ext_from_hex("0300c1", &mut test);
1257 // end of update_add_htlc from 0 to 1 via client and mac
1258 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 5300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1260 // Two feerate requests to check dust exposure
1261 ext_from_hex("00fd00fd", &mut test);
1263 // inbound read from peer id 0 of len 18
1264 ext_from_hex("030012", &mut test);
1265 // message header indicating message length 164
1266 ext_from_hex("00a4 03000000000000000000000000000000", &mut test);
1267 // inbound read from peer id 0 of len 180
1268 ext_from_hex("0300b4", &mut test);
1269 // commitment_signed and mac
1270 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000750100000000000000000000000000000000000000000000000000000000000000 0001 00000000000000000000000000000000000000000000000000000000000000670500000000000000000000000000000000000000000000000000000000000006 03000000000000000000000000000000", &mut test);
1271 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1273 // inbound read from peer id 0 of len 18
1274 ext_from_hex("030012", &mut test);
1275 // message header indicating message length 99
1276 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1277 // inbound read from peer id 0 of len 115
1278 ext_from_hex("030073", &mut test);
1279 // revoke_and_ack and mac
1280 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0d00000000000000000000000000000000000000000000000000000000000000 020f00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1282 // process the now-pending HTLC forward
1283 ext_from_hex("07", &mut test);
1284 // Two feerate requests to check dust exposure
1285 ext_from_hex("00fd00fd", &mut test);
1286 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1288 // connect a block with one transaction of len 125
1289 ext_from_hex("0c007d", &mut test);
1290 // the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
1291 ext_from_hex("02000000013a000000000000000000000000000000000000000000000000000000000000000000000000000000800258020000000000002200204b0000000000000000000000000000000000000000000000000000000000000014c0000000000000160014280000000000000000000000000000000000000005000020", &mut test);
1293 // connect a block with one transaction of len 94
1294 ext_from_hex("0c005e", &mut test);
1295 // the HTLC timeout transaction
1296 ext_from_hex("0200000001730000000000000000000000000000000000000000000000000000000000000000000000000000000001a701000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000", &mut test);
1297 // connect a block with no transactions
1298 ext_from_hex("0c0000", &mut test);
1299 // connect a block with no transactions
1300 ext_from_hex("0c0000", &mut test);
1301 // connect a block with no transactions
1302 ext_from_hex("0c0000", &mut test);
1303 // connect a block with no transactions
1304 ext_from_hex("0c0000", &mut test);
1305 // connect a block with no transactions
1306 ext_from_hex("0c0000", &mut test);
1308 // process the now-pending HTLC forward
1309 ext_from_hex("07", &mut test);
1310 // client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
1312 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1313 super::do_test(&test, &(Arc::clone(&logger) as Arc<dyn Logger>));
1315 let log_entries = logger.lines.lock().unwrap();
1316 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
1317 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
1318 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
1319 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
1320 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
1321 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
1322 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
1323 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
1324 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
1325 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
1329 fn test_gossip_exchange_breakage() {
1330 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
1331 // changes (such as requesting feerate info in a new place), we exchange some gossip
1332 // messages. Obviously this is pretty finicky, so this should be updated pretty liberally,
1333 // but at least we'll know when changes occur.
1334 // This test serves as a pretty good full_stack_target seed.
1336 // What each byte represents is broken down below, and then everything is concatenated into
1337 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
1339 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
1340 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
1341 // of the Lightning message
1342 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
1343 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
1345 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
1347 let mut test = Vec::new();
1350 ext_from_hex("0100000000000000000000000000000000000000000000000000000000000000", &mut test);
1352 ext_from_hex("0000000000900000000000000000640001000000000001ffff0000000000000000ffffffffffffffffffffffffffffffff0000000000000000ffffffffffffffff000000ffffffff00ffff1a000400010000020400000000040200000a08ffffffffffffffff0001000000", &mut test);
1354 // new outbound connection with id 0
1355 ext_from_hex("00", &mut test);
1357 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000002", &mut test);
1358 // inbound read from peer id 0 of len 50
1359 ext_from_hex("030032", &mut test);
1360 // noise act two (0||pubkey||mac)
1361 ext_from_hex("00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000", &mut test);
1363 // inbound read from peer id 0 of len 18
1364 ext_from_hex("030012", &mut test);
1365 // message header indicating message length 16
1366 ext_from_hex("0010 03000000000000000000000000000000", &mut test);
1367 // inbound read from peer id 0 of len 32
1368 ext_from_hex("030020", &mut test);
1369 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
1370 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 03000000000000000000000000000000", &mut test);
1372 // new inbound connection with id 1
1373 ext_from_hex("01", &mut test);
1374 // inbound read from peer id 1 of len 50
1375 ext_from_hex("030132", &mut test);
1376 // inbound noise act 1
1377 ext_from_hex("0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000", &mut test);
1378 // inbound read from peer id 1 of len 66
1379 ext_from_hex("030142", &mut test);
1380 // inbound noise act 3
1381 ext_from_hex("000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000", &mut test);
1383 // inbound read from peer id 1 of len 18
1384 ext_from_hex("030112", &mut test);
1385 // message header indicating message length 16
1386 ext_from_hex("0010 01000000000000000000000000000000", &mut test);
1387 // inbound read from peer id 1 of len 32
1388 ext_from_hex("030120", &mut test);
1389 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
1390 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 01000000000000000000000000000000", &mut test);
1392 // inbound read from peer id 0 of len 18
1393 ext_from_hex("030012", &mut test);
1394 // message header indicating message length 432
1395 ext_from_hex("01b0 03000000000000000000000000000000", &mut test);
1396 // inbound read from peer id 0 of len 255
1397 ext_from_hex("0300ff", &mut test);
1398 // First part of channel_announcement (type 256)
1399 ext_from_hex("0100 00000000000000000000000000000000000000000000000000000000000000b20303030303030303030303030303030303030303030303030303030303030303 00000000000000000000000000000000000000000000000000000000000000b20202020202020202020202020202020202020202020202020202020202020202 00000000000000000000000000000000000000000000000000000000000000b20303030303030303030303030303030303030303030303030303030303030303 00000000000000000000000000000000000000000000000000000000000000b20202020202020202020202020202020202020202020202020202020202", &mut test);
1400 // inbound read from peer id 0 of len 193
1401 ext_from_hex("0300c1", &mut test);
1402 // Last part of channel_announcement and mac
1403 ext_from_hex("020202 00006fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000000000000000002a030303030303030303030303030303030303030303030303030303030303030303020202020202020202020202020202020202020202020202020202020202020202030303030303030303030303030303030303030303030303030303030303030303020202020202020202020202020202020202020202020202020202020202020202 03000000000000000000000000000000", &mut test);
1405 // inbound read from peer id 0 of len 18
1406 ext_from_hex("030012", &mut test);
1407 // message header indicating message length 138
1408 ext_from_hex("008a 03000000000000000000000000000000", &mut test);
1409 // inbound read from peer id 0 of len 154
1410 ext_from_hex("03009a", &mut test);
1411 // channel_update (type 258) and mac
1412 ext_from_hex("0102 00000000000000000000000000000000000000000000000000000000000000a60303030303030303030303030303030303030303030303030303030303030303 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000 000000000000002a0000002c01000028000000000000000000000000000000000000000005f5e100 03000000000000000000000000000000", &mut test);
1414 // inbound read from peer id 0 of len 18
1415 ext_from_hex("030012", &mut test);
1416 // message header indicating message length 142
1417 ext_from_hex("008e 03000000000000000000000000000000", &mut test);
1418 // inbound read from peer id 0 of len 158
1419 ext_from_hex("03009e", &mut test);
1420 // node_announcement (type 257) and mac
1421 ext_from_hex("0101 00000000000000000000000000000000000000000000000000000000000000280303030303030303030303030303030303030303030303030303030303030303 00000000002b03030303030303030303030303030303030303030303030303030303030303030300000000000000000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1423 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1424 super::do_test(&test, &(Arc::clone(&logger) as Arc<dyn Logger>));
1426 let log_entries = logger.lines.lock().unwrap();
1427 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));
1428 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));
1429 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));