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::UserConfig;
52 use lightning::util::errors::APIError;
53 use lightning::util::test_channel_signer::{TestChannelSigner, EnforcementState};
54 use lightning::util::logger::Logger;
55 use lightning::util::ser::{Readable, ReadableArgs, Writeable};
57 use crate::utils::test_logger;
58 use crate::utils::test_persister::TestPersister;
60 use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1, self};
61 use bitcoin::secp256k1::ecdh::SharedSecret;
62 use bitcoin::secp256k1::ecdsa::{RecoverableSignature, Signature};
63 use bitcoin::secp256k1::schnorr;
65 use std::cell::RefCell;
66 use hashbrown::{HashMap, hash_map};
67 use std::convert::TryInto;
69 use std::sync::{Arc, Mutex};
70 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
71 use bitcoin::bech32::u5;
74 pub fn slice_to_be16(v: &[u8]) -> u16 {
75 ((v[0] as u16) << 8*1) |
76 ((v[1] as u16) << 8*0)
80 pub fn be16_to_array(u: u16) -> [u8; 2] {
82 v[0] = ((u >> 8*1) & 0xff) as u8;
83 v[1] = ((u >> 8*0) & 0xff) as u8;
88 pub fn slice_to_be24(v: &[u8]) -> u32 {
89 ((v[0] as u32) << 8*2) |
90 ((v[1] as u32) << 8*1) |
91 ((v[2] as u32) << 8*0)
96 read_pos: AtomicUsize,
99 fn get_slice(&self, len: usize) -> Option<&[u8]> {
100 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
101 if self.data.len() < old_pos + len {
104 Some(&self.data[old_pos..old_pos + len])
108 struct FuzzEstimator {
109 input: Arc<InputData>,
111 impl FeeEstimator for FuzzEstimator {
112 fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
113 //TODO: We should actually be testing at least much more than 64k...
114 match self.input.get_slice(2) {
115 Some(slice) => cmp::max(slice_to_be16(slice) as u32, 253),
123 impl Router for FuzzRouter {
125 &self, _payer: &PublicKey, _params: &RouteParameters, _first_hops: Option<&[&ChannelDetails]>,
126 _inflight_htlcs: InFlightHtlcs
127 ) -> Result<Route, msgs::LightningError> {
128 Err(msgs::LightningError {
129 err: String::from("Not implemented"),
130 action: msgs::ErrorAction::IgnoreError
134 fn create_blinded_payment_paths<T: secp256k1::Signing + secp256k1::Verification>(
135 &self, _recipient: PublicKey, _first_hops: Vec<ChannelDetails>, _tlvs: ReceiveTlvs,
136 _amount_msats: u64, _secp_ctx: &Secp256k1<T>,
137 ) -> Result<Vec<(BlindedPayInfo, BlindedPath)>, ()> {
142 impl MessageRouter for FuzzRouter {
144 &self, _sender: PublicKey, _peers: Vec<PublicKey>, _destination: Destination
145 ) -> Result<OnionMessagePath, ()> {
149 fn create_blinded_paths<T: secp256k1::Signing + secp256k1::Verification>(
150 &self, _recipient: PublicKey, _peers: Vec<PublicKey>, _secp_ctx: &Secp256k1<T>,
151 ) -> Result<Vec<BlindedPath>, ()> {
156 struct TestBroadcaster {
157 txn_broadcasted: Mutex<Vec<Transaction>>,
159 impl BroadcasterInterface for TestBroadcaster {
160 fn broadcast_transactions(&self, txs: &[&Transaction]) {
161 let owned_txs: Vec<Transaction> = txs.iter().map(|tx| (*tx).clone()).collect();
162 self.txn_broadcasted.lock().unwrap().extend(owned_txs);
169 peers_connected: &'a RefCell<[bool; 256]>,
171 impl<'a> SocketDescriptor for Peer<'a> {
172 fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
175 fn disconnect_socket(&mut self) {
176 assert!(self.peers_connected.borrow()[self.id as usize]);
177 self.peers_connected.borrow_mut()[self.id as usize] = false;
180 impl<'a> PartialEq for Peer<'a> {
181 fn eq(&self, other: &Self) -> bool {
185 impl<'a> Eq for Peer<'a> {}
186 impl<'a> std::hash::Hash for Peer<'a> {
187 fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
192 type ChannelMan<'a> = ChannelManager<
193 Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
194 Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<FuzzEstimator>, &'a FuzzRouter, Arc<dyn Logger>>;
195 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>>;
197 struct MoneyLossDetector<'a> {
198 manager: Arc<ChannelMan<'a>>,
199 monitor: Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
200 handler: PeerMan<'a>,
202 peers: &'a RefCell<[bool; 256]>,
203 funding_txn: Vec<Transaction>,
204 txids_confirmed: HashMap<Txid, usize>,
205 header_hashes: Vec<(BlockHash, u32)>,
208 blocks_connected: u32,
210 impl<'a> MoneyLossDetector<'a> {
211 pub fn new(peers: &'a RefCell<[bool; 256]>,
212 manager: Arc<ChannelMan<'a>>,
213 monitor: Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
214 handler: PeerMan<'a>) -> Self {
221 funding_txn: Vec::new(),
222 txids_confirmed: HashMap::new(),
223 header_hashes: vec![(genesis_block(Network::Bitcoin).block_hash(), 0)],
230 fn connect_block(&mut self, all_txn: &[Transaction]) {
231 let mut txdata = Vec::with_capacity(all_txn.len());
232 for (idx, tx) in all_txn.iter().enumerate() {
233 let txid = tx.txid();
234 match self.txids_confirmed.entry(txid) {
235 hash_map::Entry::Vacant(e) => {
236 e.insert(self.height);
237 txdata.push((idx + 1, tx));
243 self.blocks_connected += 1;
244 let header = create_dummy_header(self.header_hashes[self.height].0, self.blocks_connected);
246 self.manager.transactions_confirmed(&header, &txdata, self.height as u32);
247 self.manager.best_block_updated(&header, self.height as u32);
248 (*self.monitor).transactions_confirmed(&header, &txdata, self.height as u32);
249 (*self.monitor).best_block_updated(&header, self.height as u32);
250 if self.header_hashes.len() > self.height {
251 self.header_hashes[self.height] = (header.block_hash(), self.blocks_connected);
253 assert_eq!(self.header_hashes.len(), self.height);
254 self.header_hashes.push((header.block_hash(), self.blocks_connected));
256 self.max_height = cmp::max(self.height, self.max_height);
259 fn disconnect_block(&mut self) {
260 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
261 let header = create_dummy_header(self.header_hashes[self.height - 1].0, self.header_hashes[self.height].1);
262 self.manager.block_disconnected(&header, self.height as u32);
263 self.monitor.block_disconnected(&header, self.height as u32);
265 let removal_height = self.height;
266 self.txids_confirmed.retain(|_, height| {
267 removal_height != *height
273 impl<'a> Drop for MoneyLossDetector<'a> {
275 if !::std::thread::panicking() {
276 // Disconnect all peers
277 for (idx, peer) in self.peers.borrow().iter().enumerate() {
279 self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
283 // Force all channels onto the chain (and time out claim txn)
284 self.manager.force_close_all_channels_broadcasting_latest_txn();
290 node_secret: SecretKey,
291 inbound_payment_key: KeyMaterial,
293 signer_state: RefCell<HashMap<u8, (bool, Arc<Mutex<EnforcementState>>)>>
296 impl EntropySource for KeyProvider {
297 fn get_secure_random_bytes(&self) -> [u8; 32] {
298 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
299 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
300 (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]
304 impl NodeSigner for KeyProvider {
305 fn get_node_id(&self, recipient: Recipient) -> Result<PublicKey, ()> {
306 let node_secret = match recipient {
307 Recipient::Node => Ok(&self.node_secret),
308 Recipient::PhantomNode => Err(())
310 Ok(PublicKey::from_secret_key(&Secp256k1::signing_only(), node_secret))
313 fn ecdh(&self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&Scalar>) -> Result<SharedSecret, ()> {
314 let mut node_secret = match recipient {
315 Recipient::Node => Ok(self.node_secret.clone()),
316 Recipient::PhantomNode => Err(())
318 if let Some(tweak) = tweak {
319 node_secret = node_secret.mul_tweak(tweak).map_err(|_| ())?;
321 Ok(SharedSecret::new(other_key, &node_secret))
324 fn get_inbound_payment_key_material(&self) -> KeyMaterial {
325 self.inbound_payment_key.clone()
328 fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
332 fn sign_bolt12_invoice_request(
333 &self, _invoice_request: &UnsignedInvoiceRequest
334 ) -> Result<schnorr::Signature, ()> {
338 fn sign_bolt12_invoice(
339 &self, _invoice: &UnsignedBolt12Invoice,
340 ) -> Result<schnorr::Signature, ()> {
344 fn sign_gossip_message(&self, msg: lightning::ln::msgs::UnsignedGossipMessage) -> Result<Signature, ()> {
345 let msg_hash = Message::from_slice(&Sha256dHash::hash(&msg.encode()[..])[..]).map_err(|_| ())?;
346 let secp_ctx = Secp256k1::signing_only();
347 Ok(secp_ctx.sign_ecdsa(&msg_hash, &self.node_secret))
351 impl SignerProvider for KeyProvider {
352 type EcdsaSigner = TestChannelSigner;
354 type TaprootSigner = TestChannelSigner;
356 fn generate_channel_keys_id(&self, inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128) -> [u8; 32] {
357 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
358 self.signer_state.borrow_mut().insert(ctr, (inbound, Arc::new(Mutex::new(EnforcementState::new()))));
362 fn derive_channel_signer(&self, channel_value_satoshis: u64, channel_keys_id: [u8; 32]) -> Self::EcdsaSigner {
363 let secp_ctx = Secp256k1::signing_only();
364 let ctr = channel_keys_id[0];
365 let (inbound, state) = self.signer_state.borrow().get(&ctr).unwrap().clone();
366 TestChannelSigner::new_with_revoked(if inbound {
369 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(),
370 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(),
371 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(),
372 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(),
373 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(),
374 [0, 0, 0, 0, 0, 0, 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],
375 channel_value_satoshis,
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, 7, 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, 8, 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, 9, 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, 10, ctr]).unwrap(),
386 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, ctr]).unwrap(),
387 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, ctr],
388 channel_value_satoshis,
395 fn read_chan_signer(&self, mut data: &[u8]) -> Result<TestChannelSigner, DecodeError> {
396 let inner: InMemorySigner = ReadableArgs::read(&mut data, self)?;
397 let state = Arc::new(Mutex::new(EnforcementState::new()));
399 Ok(TestChannelSigner::new_with_revoked(
406 fn get_destination_script(&self, _channel_keys_id: [u8; 32]) -> Result<ScriptBuf, ()> {
407 let secp_ctx = Secp256k1::signing_only();
408 let channel_monitor_claim_key = SecretKey::from_slice(&<Vec<u8>>::from_hex("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
409 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
410 Ok(Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(our_channel_monitor_claim_key_hash).into_script())
413 fn get_shutdown_scriptpubkey(&self) -> Result<ShutdownScript, ()> {
414 let secp_ctx = Secp256k1::signing_only();
415 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();
416 let pubkey_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &secret_key).serialize());
417 Ok(ShutdownScript::new_p2wpkh(&pubkey_hash))
422 pub fn do_test(mut data: &[u8], logger: &Arc<dyn Logger>) {
423 if data.len() < 32 { return; }
425 let our_network_key = match SecretKey::from_slice(&data[..32]) {
431 let config: UserConfig = if let Ok(config) = Readable::read(&mut data) { config } else { return; };
433 let input = Arc::new(InputData {
435 read_pos: AtomicUsize::new(0),
437 let fee_est = Arc::new(FuzzEstimator {
438 input: input.clone(),
440 let router = FuzzRouter {};
442 macro_rules! get_slice {
444 match input.get_slice($len as usize) {
445 Some(slice) => slice,
451 macro_rules! get_bytes {
453 let mut res = [0; $len];
454 match input.get_slice($len as usize) {
455 Some(slice) => res.copy_from_slice(slice),
462 macro_rules! get_pubkey {
464 match PublicKey::from_slice(get_slice!(33)) {
472 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];
474 let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
475 let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(),
476 Arc::new(TestPersister { update_ret: Mutex::new(ChannelMonitorUpdateStatus::Completed) })));
478 let keys_manager = Arc::new(KeyProvider {
479 node_secret: our_network_key.clone(),
480 inbound_payment_key: KeyMaterial(inbound_payment_key.try_into().unwrap()),
481 counter: AtomicU64::new(0),
482 signer_state: RefCell::new(HashMap::new())
484 let network = Network::Bitcoin;
485 let best_block_timestamp = genesis_block(network).header.time;
486 let params = ChainParameters {
488 best_block: BestBlock::from_network(network),
490 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));
491 // Adding new calls to `EntropySource::get_secure_random_bytes` during startup can change all the
492 // keys subsequently generated in this test. Rather than regenerating all the messages manually,
493 // it's easier to just increment the counter here so the keys don't change.
494 keys_manager.counter.fetch_sub(3, Ordering::AcqRel);
495 let network_graph = Arc::new(NetworkGraph::new(network, Arc::clone(&logger)));
496 let gossip_sync = Arc::new(P2PGossipSync::new(Arc::clone(&network_graph), None, Arc::clone(&logger)));
498 let peers = RefCell::new([false; 256]);
499 let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
500 chan_handler: channelmanager.clone(),
501 route_handler: gossip_sync.clone(),
502 onion_message_handler: IgnoringMessageHandler {},
503 custom_message_handler: IgnoringMessageHandler {},
504 }, 0, &[0, 0, 0, 0, 0, 0, 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()));
506 let mut should_forward = false;
507 let mut payments_received: Vec<PaymentHash> = Vec::new();
508 let mut intercepted_htlcs: Vec<InterceptId> = Vec::new();
509 let mut payments_sent: u16 = 0;
510 let mut pending_funding_generation: Vec<(ChannelId, PublicKey, u64, ScriptBuf)> = Vec::new();
511 let mut pending_funding_signatures = HashMap::new();
514 match get_slice!(1)[0] {
518 if !peers.borrow()[i-1] {
523 if new_id == 0 { return; }
524 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
525 peers.borrow_mut()[new_id - 1] = true;
530 if !peers.borrow()[i-1] {
535 if new_id == 0 { return; }
536 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
537 peers.borrow_mut()[new_id - 1] = true;
540 let peer_id = get_slice!(1)[0];
541 if !peers.borrow()[peer_id as usize] { return; }
542 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
543 peers.borrow_mut()[peer_id as usize] = false;
546 let peer_id = get_slice!(1)[0];
547 if !peers.borrow()[peer_id as usize] { return; }
548 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
549 Ok(res) => assert!(!res),
550 Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
554 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
555 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
556 let params = RouteParameters::from_payment_params_and_value(
557 payment_params, final_value_msat);
558 let mut payment_hash = PaymentHash([0; 32]);
559 payment_hash.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
560 payment_hash.0 = Sha256::hash(&payment_hash.0[..]).to_byte_array();
562 let _ = channelmanager.send_payment(
563 payment_hash, RecipientOnionFields::spontaneous_empty(),
564 PaymentId(payment_hash.0), params, Retry::Attempts(2)
568 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
569 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
570 let params = RouteParameters::from_payment_params_and_value(
571 payment_params, final_value_msat);
572 let mut payment_hash = PaymentHash([0; 32]);
573 payment_hash.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
574 payment_hash.0 = Sha256::hash(&payment_hash.0[..]).to_byte_array();
576 let mut payment_secret = PaymentSecret([0; 32]);
577 payment_secret.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
579 let _ = channelmanager.send_payment(
580 payment_hash, RecipientOnionFields::secret_only(payment_secret),
581 PaymentId(payment_hash.0), params, Retry::Attempts(2)
585 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
586 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
587 let params = RouteParameters::from_payment_params_and_value(
588 payment_params, final_value_msat);
589 let _ = channelmanager.send_preflight_probes(params, None);
592 let idx = u16::from_be_bytes(get_bytes!(2)) % cmp::max(payments_sent, 1);
593 let mut payment_id = PaymentId([0; 32]);
594 payment_id.0[0..2].copy_from_slice(&idx.to_be_bytes());
595 channelmanager.abandon_payment(payment_id);
598 let peer_id = get_slice!(1)[0];
599 if !peers.borrow()[peer_id as usize] { return; }
600 let their_key = get_pubkey!();
601 let chan_value = slice_to_be24(get_slice!(3)) as u64;
602 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
603 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None, None).is_err() { return; }
606 let mut channels = channelmanager.list_channels();
607 let channel_id = get_slice!(1)[0] as usize;
608 if channel_id >= channels.len() { return; }
609 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
610 if channelmanager.close_channel(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).is_err() { return; }
614 channelmanager.process_pending_htlc_forwards();
615 should_forward = false;
619 for payment in payments_received.drain(..) {
620 // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
621 // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
622 // fulfill this HTLC, but if they are, we can just take the first byte and
623 // place that anywhere in our preimage.
624 if &payment.0[1..] != &[0; 31] {
625 channelmanager.fail_htlc_backwards(&payment);
627 let mut payment_preimage = PaymentPreimage([0; 32]);
628 payment_preimage.0[0] = payment.0[0];
629 channelmanager.claim_funds(payment_preimage);
634 let payment_preimage = PaymentPreimage(keys_manager.get_secure_random_bytes());
635 let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0[..]).to_byte_array());
636 // Note that this may fail - our hashes may collide and we'll end up trying to
637 // double-register the same payment_hash.
638 let _ = channelmanager.create_inbound_payment_for_hash(payment_hash, None, 1, None);
641 for payment in payments_received.drain(..) {
642 channelmanager.fail_htlc_backwards(&payment);
646 let mut tx = Transaction { version: 0, lock_time: LockTime::ZERO, input: Vec::new(), output: Vec::new() };
647 let mut channels = Vec::new();
648 for funding_generation in pending_funding_generation.drain(..) {
650 value: funding_generation.2, script_pubkey: funding_generation.3,
652 if !tx.output.contains(&txout) {
653 tx.output.push(txout);
654 channels.push((funding_generation.0, funding_generation.1));
657 // Once we switch to V2 channel opens we should be able to drop this entirely as
658 // channel_ids no longer change when we set the funding tx.
660 if tx.version > 0xff {
663 let funding_txid = tx.txid();
664 if loss_detector.txids_confirmed.get(&funding_txid).is_none() {
665 let outpoint = OutPoint { txid: funding_txid, index: 0 };
666 for chan in channelmanager.list_channels() {
667 if chan.channel_id == ChannelId::v1_from_funding_outpoint(outpoint) {
669 continue 'search_loop;
676 if tx.version <= 0xff && !channels.is_empty() {
677 let chans = channels.iter().map(|(a, b)| (a, b)).collect::<Vec<_>>();
678 if let Err(e) = channelmanager.batch_funding_transaction_generated(&chans, tx.clone()) {
679 // It's possible the channel has been closed in the mean time, but any other
680 // failure may be a bug.
681 if let APIError::ChannelUnavailable { .. } = e { } else { panic!(); }
683 let funding_txid = tx.txid();
684 for idx in 0..tx.output.len() {
685 let outpoint = OutPoint { txid: funding_txid, index: idx as u16 };
686 pending_funding_signatures.insert(outpoint, tx.clone());
691 let mut txn = broadcast.txn_broadcasted.lock().unwrap().split_off(0);
693 loss_detector.connect_block(&txn[..]);
695 loss_detector.connect_block(&[]);
698 for tx in txn.drain(..) {
699 loss_detector.funding_txn.push(tx);
703 let txlen = u16::from_be_bytes(get_bytes!(2));
705 loss_detector.connect_block(&[]);
707 let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
708 if let Ok(tx) = txres {
709 let mut output_val = 0;
710 for out in tx.output.iter() {
711 if out.value > 21_000_000_0000_0000 { return; }
712 output_val += out.value;
713 if output_val > 21_000_000_0000_0000 { return; }
715 loss_detector.connect_block(&[tx]);
722 loss_detector.disconnect_block();
725 let mut channels = channelmanager.list_channels();
726 let channel_id = get_slice!(1)[0] as usize;
727 if channel_id >= channels.len() { return; }
728 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
729 channelmanager.force_close_broadcasting_latest_txn(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).unwrap();
731 // 15, 16, 17, 18 is above
733 let mut list = loss_detector.handler.get_peer_node_ids();
734 list.sort_by_key(|v| v.0);
735 if let Some((id, _)) = list.get(0) {
736 loss_detector.handler.disconnect_by_node_id(*id);
739 20 => loss_detector.handler.disconnect_all_peers(),
740 21 => loss_detector.handler.timer_tick_occurred(),
742 loss_detector.handler.broadcast_node_announcement([42; 3], [43; 32], Vec::new()),
743 32 => channelmanager.timer_tick_occurred(),
745 for id in intercepted_htlcs.drain(..) {
746 channelmanager.fail_intercepted_htlc(id).unwrap();
750 let amt = u64::from_be_bytes(get_bytes!(8));
751 let chans = channelmanager.list_channels();
752 for id in intercepted_htlcs.drain(..) {
753 if chans.is_empty() {
754 channelmanager.fail_intercepted_htlc(id).unwrap();
756 let chan = &chans[amt as usize % chans.len()];
757 channelmanager.forward_intercepted_htlc(id, &chan.channel_id, chan.counterparty.node_id, amt).unwrap();
763 loss_detector.handler.process_events();
764 for event in loss_detector.manager.get_and_clear_pending_events() {
766 Event::FundingGenerationReady { temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script, .. } => {
767 pending_funding_generation.push((temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script));
769 Event::PaymentClaimable { payment_hash, .. } => {
770 //TODO: enhance by fetching random amounts from fuzz input?
771 payments_received.push(payment_hash);
773 Event::PendingHTLCsForwardable {..} => {
774 should_forward = true;
776 Event::HTLCIntercepted { intercept_id, .. } => {
777 if !intercepted_htlcs.contains(&intercept_id) {
778 intercepted_htlcs.push(intercept_id);
787 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
788 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
789 do_test(data, &logger);
793 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
794 let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
795 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
800 use bitcoin::hashes::hex::FromHex;
801 use lightning::util::logger::{Logger, Record};
802 use std::collections::HashMap;
803 use std::sync::{Arc, Mutex};
805 struct TrackingLogger {
806 /// (module, message) -> count
807 pub lines: Mutex<HashMap<(String, String), usize>>,
809 impl Logger for TrackingLogger {
810 fn log(&self, record: Record) {
811 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
812 println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
816 fn ext_from_hex(hex_with_spaces: &str, out: &mut Vec<u8>) {
817 for hex in hex_with_spaces.split(" ") {
818 out.append(&mut <Vec<u8>>::from_hex(hex).unwrap());
823 fn test_no_existing_test_breakage() {
824 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
825 // changes (such as requesting feerate info in a new place), we run a pretty full
826 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
827 // so this should be updated pretty liberally, but at least we'll know when changes occur.
828 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
830 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
831 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
832 // of the Lightning message
833 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
834 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
836 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
838 let mut test = Vec::new();
840 ext_from_hex("0100000000000000000000000000000000000000000000000000000000000000", &mut test);
842 ext_from_hex("0000000000900000000000000000640001000000000001ffff0000000000000000ffffffffffffffffffffffffffffffff0000000000000000ffffffffffffffff000000ffffffff00ffff1a000400010000020400000000040200000a08ffffffffffffffff0001000000", &mut test);
844 // new outbound connection with id 0
845 ext_from_hex("00", &mut test);
847 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000002", &mut test);
848 // inbound read from peer id 0 of len 50
849 ext_from_hex("030032", &mut test);
850 // noise act two (0||pubkey||mac)
851 ext_from_hex("00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000", &mut test);
853 // inbound read from peer id 0 of len 18
854 ext_from_hex("030012", &mut test);
855 // message header indicating message length 16
856 ext_from_hex("0010 03000000000000000000000000000000", &mut test);
857 // inbound read from peer id 0 of len 32
858 ext_from_hex("030020", &mut test);
859 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
860 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 03000000000000000000000000000000", &mut test);
862 // inbound read from peer id 0 of len 18
863 ext_from_hex("030012", &mut test);
864 // message header indicating message length 327
865 ext_from_hex("0147 03000000000000000000000000000000", &mut test);
866 // inbound read from peer id 0 of len 254
867 ext_from_hex("0300fe", &mut test);
868 // beginning of open_channel message
869 ext_from_hex("0020 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000162 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004", &mut test);
870 // inbound read from peer id 0 of len 89
871 ext_from_hex("030059", &mut test);
872 // rest of open_channel and mac
873 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 0000 01021000 03000000000000000000000000000000", &mut test);
875 // One feerate request returning min feerate, which our open_channel also uses (ingested by FuzzEstimator)
876 ext_from_hex("00fd", &mut test);
877 // client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
879 // inbound read from peer id 0 of len 18
880 ext_from_hex("030012", &mut test);
881 // message header indicating message length 132
882 ext_from_hex("0084 03000000000000000000000000000000", &mut test);
883 // inbound read from peer id 0 of len 148
884 ext_from_hex("030094", &mut test);
885 // funding_created and mac
886 ext_from_hex("0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 00000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
887 // client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
889 // connect a block with one transaction of len 94
890 ext_from_hex("0c005e", &mut test);
891 // the funding transaction
892 ext_from_hex("020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000", &mut test);
893 // connect a block with no transactions, one per line
894 ext_from_hex("0c0000", &mut test);
895 ext_from_hex("0c0000", &mut test);
896 ext_from_hex("0c0000", &mut test);
897 ext_from_hex("0c0000", &mut test);
898 ext_from_hex("0c0000", &mut test);
899 ext_from_hex("0c0000", &mut test);
900 ext_from_hex("0c0000", &mut test);
901 ext_from_hex("0c0000", &mut test);
902 ext_from_hex("0c0000", &mut test);
903 ext_from_hex("0c0000", &mut test);
904 ext_from_hex("0c0000", &mut test);
905 ext_from_hex("0c0000", &mut test);
906 // by now client should have sent a channel_ready (CHECK 3: SendChannelReady to 03000000 for chan 3d000000)
908 // inbound read from peer id 0 of len 18
909 ext_from_hex("030012", &mut test);
910 // message header indicating message length 67
911 ext_from_hex("0043 03000000000000000000000000000000", &mut test);
912 // inbound read from peer id 0 of len 83
913 ext_from_hex("030053", &mut test);
914 // channel_ready and mac
915 ext_from_hex("0024 3d00000000000000000000000000000000000000000000000000000000000000 020800000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
917 // new inbound connection with id 1
918 ext_from_hex("01", &mut test);
919 // inbound read from peer id 1 of len 50
920 ext_from_hex("030132", &mut test);
921 // inbound noise act 1
922 ext_from_hex("0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000", &mut test);
923 // inbound read from peer id 1 of len 66
924 ext_from_hex("030142", &mut test);
925 // inbound noise act 3
926 ext_from_hex("000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000", &mut test);
928 // inbound read from peer id 1 of len 18
929 ext_from_hex("030112", &mut test);
930 // message header indicating message length 16
931 ext_from_hex("0010 01000000000000000000000000000000", &mut test);
932 // inbound read from peer id 1 of len 32
933 ext_from_hex("030120", &mut test);
934 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
935 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 01000000000000000000000000000000", &mut test);
937 // create outbound channel to peer 1 for 50k sat
938 ext_from_hex("05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8", &mut test);
939 // One feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
940 ext_from_hex("00fd", &mut test);
942 // inbound read from peer id 1 of len 18
943 ext_from_hex("030112", &mut test);
944 // message header indicating message length 274
945 ext_from_hex("0112 01000000000000000000000000000000", &mut test);
946 // inbound read from peer id 1 of len 255
947 ext_from_hex("0301ff", &mut test);
948 // beginning of accept_channel
949 ext_from_hex("0021 0000000000000000000000000000000000000000000000000000000000000e05 0000000000000162 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 02660000000000000000000000000000", &mut test);
950 // inbound read from peer id 1 of len 35
951 ext_from_hex("030123", &mut test);
952 // rest of accept_channel and mac
953 ext_from_hex("0000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
955 // create the funding transaction (client should send funding_created now)
956 ext_from_hex("0a", &mut test);
958 // inbound read from peer id 1 of len 18
959 ext_from_hex("030112", &mut test);
960 // message header indicating message length 98
961 ext_from_hex("0062 01000000000000000000000000000000", &mut test);
962 // inbound read from peer id 1 of len 114
963 ext_from_hex("030172", &mut test);
964 // funding_signed message and mac
965 ext_from_hex("0023 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
967 // broadcast funding transaction
968 ext_from_hex("0b", &mut test);
969 // by now client should have sent a channel_ready (CHECK 4: SendChannelReady to 03020000 for chan 3f000000)
971 // inbound read from peer id 1 of len 18
972 ext_from_hex("030112", &mut test);
973 // message header indicating message length 67
974 ext_from_hex("0043 01000000000000000000000000000000", &mut test);
975 // inbound read from peer id 1 of len 83
976 ext_from_hex("030153", &mut test);
977 // channel_ready and mac
978 ext_from_hex("0024 3a00000000000000000000000000000000000000000000000000000000000000 026700000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
980 // inbound read from peer id 0 of len 18
981 ext_from_hex("030012", &mut test);
982 // message header indicating message length 1452
983 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
984 // inbound read from peer id 0 of len 255
985 ext_from_hex("0300ff", &mut test);
986 // beginning of update_add_htlc from 0 to 1 via client
987 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
988 // inbound read from peer id 0 of len 255
989 ext_from_hex("0300ff", &mut test);
990 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
991 // inbound read from peer id 0 of len 255
992 ext_from_hex("0300ff", &mut test);
993 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
994 // inbound read from peer id 0 of len 255
995 ext_from_hex("0300ff", &mut test);
996 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
997 // inbound read from peer id 0 of len 255
998 ext_from_hex("0300ff", &mut test);
999 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1000 // inbound read from peer id 0 of len 193
1001 ext_from_hex("0300c1", &mut test);
1002 // end of update_add_htlc from 0 to 1 via client and mac
1003 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1005 // inbound read from peer id 0 of len 18
1006 ext_from_hex("030012", &mut test);
1007 // message header indicating message length 100
1008 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1009 // inbound read from peer id 0 of len 116
1010 ext_from_hex("030074", &mut test);
1011 // commitment_signed and mac
1012 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000300100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1013 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
1015 // inbound read from peer id 0 of len 18
1016 ext_from_hex("030012", &mut test);
1017 // message header indicating message length 99
1018 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1019 // inbound read from peer id 0 of len 115
1020 ext_from_hex("030073", &mut test);
1021 // revoke_and_ack and mac
1022 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0900000000000000000000000000000000000000000000000000000000000000 020b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1024 // process the now-pending HTLC forward
1025 ext_from_hex("07", &mut test);
1026 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: UpdateHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
1028 // we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
1029 // inbound read from peer id 1 of len 18
1030 ext_from_hex("030112", &mut test);
1031 // message header indicating message length 100
1032 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1033 // inbound read from peer id 1 of len 116
1034 ext_from_hex("030174", &mut test);
1035 // commitment_signed and mac
1036 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000006a0001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1038 // inbound read from peer id 1 of len 18
1039 ext_from_hex("030112", &mut test);
1040 // message header indicating message length 99
1041 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1042 // inbound read from peer id 1 of len 115
1043 ext_from_hex("030173", &mut test);
1044 // revoke_and_ack and mac
1045 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6600000000000000000000000000000000000000000000000000000000000000 026400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1047 // inbound read from peer id 1 of len 18
1048 ext_from_hex("030112", &mut test);
1049 // message header indicating message length 74
1050 ext_from_hex("004a 01000000000000000000000000000000", &mut test);
1051 // inbound read from peer id 1 of len 90
1052 ext_from_hex("03015a", &mut test);
1053 // update_fulfill_htlc and mac
1054 ext_from_hex("0082 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000", &mut test);
1055 // client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
1057 // inbound read from peer id 1 of len 18
1058 ext_from_hex("030112", &mut test);
1059 // message header indicating message length 100
1060 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1061 // inbound read from peer id 1 of len 116
1062 ext_from_hex("030174", &mut test);
1063 // commitment_signed and mac
1064 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000100001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1066 // inbound read from peer id 1 of len 18
1067 ext_from_hex("030112", &mut test);
1068 // message header indicating message length 99
1069 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1070 // inbound read from peer id 1 of len 115
1071 ext_from_hex("030173", &mut test);
1072 // revoke_and_ack and mac
1073 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6700000000000000000000000000000000000000000000000000000000000000 026500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1075 // before responding to the commitment_signed generated above, send a new HTLC
1076 // inbound read from peer id 0 of len 18
1077 ext_from_hex("030012", &mut test);
1078 // message header indicating message length 1452
1079 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1080 // inbound read from peer id 0 of len 255
1081 ext_from_hex("0300ff", &mut test);
1082 // beginning of update_add_htlc from 0 to 1 via client
1083 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1084 // inbound read from peer id 0 of len 255
1085 ext_from_hex("0300ff", &mut test);
1086 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1087 // inbound read from peer id 0 of len 255
1088 ext_from_hex("0300ff", &mut test);
1089 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1090 // inbound read from peer id 0 of len 255
1091 ext_from_hex("0300ff", &mut test);
1092 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1093 // inbound read from peer id 0 of len 255
1094 ext_from_hex("0300ff", &mut test);
1095 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1096 // inbound read from peer id 0 of len 193
1097 ext_from_hex("0300c1", &mut test);
1098 // end of update_add_htlc from 0 to 1 via client and mac
1099 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1101 // now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
1102 // inbound read from peer id 0 of len 18
1103 ext_from_hex("030012", &mut test);
1104 // message header indicating message length 99
1105 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1106 // inbound read from peer id 0 of len 115
1107 ext_from_hex("030073", &mut test);
1108 // revoke_and_ack and mac
1109 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0800000000000000000000000000000000000000000000000000000000000000 020a00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1110 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1112 // inbound read from peer id 0 of len 18
1113 ext_from_hex("030012", &mut test);
1114 // message header indicating message length 100
1115 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1116 // inbound read from peer id 0 of len 116
1117 ext_from_hex("030074", &mut test);
1118 // commitment_signed and mac
1119 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000c30100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1121 // inbound read from peer id 0 of len 18
1122 ext_from_hex("030012", &mut test);
1123 // message header indicating message length 99
1124 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1125 // inbound read from peer id 0 of len 115
1126 ext_from_hex("030073", &mut test);
1127 // revoke_and_ack and mac
1128 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0b00000000000000000000000000000000000000000000000000000000000000 020d00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1130 // process the now-pending HTLC forward
1131 ext_from_hex("07", &mut test);
1132 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1133 // we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
1135 // inbound read from peer id 1 of len 18
1136 ext_from_hex("030112", &mut test);
1137 // message header indicating message length 100
1138 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1139 // inbound read from peer id 1 of len 116
1140 ext_from_hex("030174", &mut test);
1141 // commitment_signed and mac
1142 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1144 // inbound read from peer id 1 of len 18
1145 ext_from_hex("030112", &mut test);
1146 // message header indicating message length 99
1147 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1148 // inbound read from peer id 1 of len 115
1149 ext_from_hex("030173", &mut test);
1150 // revoke_and_ack and mac
1151 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6400000000000000000000000000000000000000000000000000000000000000 027000000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1153 // inbound read from peer id 1 of len 18
1154 ext_from_hex("030112", &mut test);
1155 // message header indicating message length 44
1156 ext_from_hex("002c 01000000000000000000000000000000", &mut test);
1157 // inbound read from peer id 1 of len 60
1158 ext_from_hex("03013c", &mut test);
1159 // update_fail_htlc and mac
1160 ext_from_hex("0083 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000", &mut test);
1162 // inbound read from peer id 1 of len 18
1163 ext_from_hex("030112", &mut test);
1164 // message header indicating message length 100
1165 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1166 // inbound read from peer id 1 of len 116
1167 ext_from_hex("030174", &mut test);
1168 // commitment_signed and mac
1169 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1171 // inbound read from peer id 1 of len 18
1172 ext_from_hex("030112", &mut test);
1173 // message header indicating message length 99
1174 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1175 // inbound read from peer id 1 of len 115
1176 ext_from_hex("030173", &mut test);
1177 // revoke_and_ack and mac
1178 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6500000000000000000000000000000000000000000000000000000000000000 027100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1180 // process the now-pending HTLC forward
1181 ext_from_hex("07", &mut test);
1182 // client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
1183 // now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
1185 // inbound read from peer id 0 of len 18
1186 ext_from_hex("030012", &mut test);
1187 // message header indicating message length 99
1188 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1189 // inbound read from peer id 0 of len 115
1190 ext_from_hex("030073", &mut test);
1191 // revoke_and_ack and mac
1192 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0a00000000000000000000000000000000000000000000000000000000000000 020c00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1194 // inbound read from peer id 0 of len 18
1195 ext_from_hex("030012", &mut test);
1196 // message header indicating message length 100
1197 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1198 // inbound read from peer id 0 of len 116
1199 ext_from_hex("030074", &mut test);
1200 // commitment_signed and mac
1201 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000320100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1202 // client should now respond with revoke_and_ack (CHECK 5 duplicate)
1204 // inbound read from peer id 0 of len 18
1205 ext_from_hex("030012", &mut test);
1206 // message header indicating message length 1452
1207 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1208 // inbound read from peer id 0 of len 255
1209 ext_from_hex("0300ff", &mut test);
1210 // beginning of update_add_htlc from 0 to 1 via client
1211 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 12 02030927c0 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1212 // inbound read from peer id 0 of len 255
1213 ext_from_hex("0300ff", &mut test);
1214 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1215 // inbound read from peer id 0 of len 255
1216 ext_from_hex("0300ff", &mut test);
1217 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1218 // inbound read from peer id 0 of len 255
1219 ext_from_hex("0300ff", &mut test);
1220 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1221 // inbound read from peer id 0 of len 255
1222 ext_from_hex("0300ff", &mut test);
1223 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1224 // inbound read from peer id 0 of len 193
1225 ext_from_hex("0300c1", &mut test);
1226 // end of update_add_htlc from 0 to 1 via client and mac
1227 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 5300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1229 // inbound read from peer id 0 of len 18
1230 ext_from_hex("030012", &mut test);
1231 // message header indicating message length 164
1232 ext_from_hex("00a4 03000000000000000000000000000000", &mut test);
1233 // inbound read from peer id 0 of len 180
1234 ext_from_hex("0300b4", &mut test);
1235 // commitment_signed and mac
1236 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000750100000000000000000000000000000000000000000000000000000000000000 0001 00000000000000000000000000000000000000000000000000000000000000670500000000000000000000000000000000000000000000000000000000000006 03000000000000000000000000000000", &mut test);
1237 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1239 // inbound read from peer id 0 of len 18
1240 ext_from_hex("030012", &mut test);
1241 // message header indicating message length 99
1242 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1243 // inbound read from peer id 0 of len 115
1244 ext_from_hex("030073", &mut test);
1245 // revoke_and_ack and mac
1246 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0d00000000000000000000000000000000000000000000000000000000000000 020f00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1248 // process the now-pending HTLC forward
1249 ext_from_hex("07", &mut test);
1250 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1252 // connect a block with one transaction of len 125
1253 ext_from_hex("0c007d", &mut test);
1254 // the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
1255 ext_from_hex("02000000013a000000000000000000000000000000000000000000000000000000000000000000000000000000800258020000000000002200204b0000000000000000000000000000000000000000000000000000000000000014c0000000000000160014280000000000000000000000000000000000000005000020", &mut test);
1257 // connect a block with one transaction of len 94
1258 ext_from_hex("0c005e", &mut test);
1259 // the HTLC timeout transaction
1260 ext_from_hex("0200000001730000000000000000000000000000000000000000000000000000000000000000000000000000000001a701000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000", &mut test);
1261 // connect a block with no transactions
1262 ext_from_hex("0c0000", &mut test);
1263 // connect a block with no transactions
1264 ext_from_hex("0c0000", &mut test);
1265 // connect a block with no transactions
1266 ext_from_hex("0c0000", &mut test);
1267 // connect a block with no transactions
1268 ext_from_hex("0c0000", &mut test);
1269 // connect a block with no transactions
1270 ext_from_hex("0c0000", &mut test);
1272 // process the now-pending HTLC forward
1273 ext_from_hex("07", &mut test);
1274 // client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
1276 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1277 super::do_test(&test, &(Arc::clone(&logger) as Arc<dyn Logger>));
1279 let log_entries = logger.lines.lock().unwrap();
1280 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
1281 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
1282 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
1283 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
1284 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
1285 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
1286 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
1287 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
1288 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
1289 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