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Merge pull request #1603 from TheBlueMatt/2022-07-no-backwards-time
[rust-lightning] / fuzz / src / full_stack.rs
1 // This file is Copyright its original authors, visible in version control
2 // history.
3 //
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
8 // licenses.
9
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.
15
16 use bitcoin::blockdata::block::BlockHeader;
17 use bitcoin::blockdata::transaction::{Transaction, TxOut};
18 use bitcoin::blockdata::script::{Builder, Script};
19 use bitcoin::blockdata::opcodes;
20 use bitcoin::consensus::encode::deserialize;
21 use bitcoin::network::constants::Network;
22 use bitcoin::blockdata::constants::genesis_block;
23
24 use bitcoin::hashes::Hash as TraitImport;
25 use bitcoin::hashes::HashEngine as TraitImportEngine;
26 use bitcoin::hashes::sha256::Hash as Sha256;
27 use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash};
28
29 use lightning::chain;
30 use lightning::chain::{BestBlock, Confirm, Listen};
31 use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
32 use lightning::chain::chainmonitor;
33 use lightning::chain::transaction::OutPoint;
34 use lightning::chain::keysinterface::{InMemorySigner, Recipient, KeyMaterial, KeysInterface};
35 use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
36 use lightning::ln::channelmanager::{ChainParameters, ChannelManager};
37 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor,IgnoringMessageHandler};
38 use lightning::ln::msgs::DecodeError;
39 use lightning::ln::script::ShutdownScript;
40 use lightning::routing::gossip::{P2PGossipSync, NetworkGraph};
41 use lightning::routing::router::{find_route, PaymentParameters, RouteParameters};
42 use lightning::routing::scoring::FixedPenaltyScorer;
43 use lightning::util::config::UserConfig;
44 use lightning::util::errors::APIError;
45 use lightning::util::events::Event;
46 use lightning::util::enforcing_trait_impls::{EnforcingSigner, EnforcementState};
47 use lightning::util::logger::Logger;
48 use lightning::util::ser::ReadableArgs;
49
50 use utils::test_logger;
51 use utils::test_persister::TestPersister;
52
53 use bitcoin::secp256k1::{PublicKey,SecretKey};
54 use bitcoin::secp256k1::ecdsa::RecoverableSignature;
55 use bitcoin::secp256k1::Secp256k1;
56
57 use std::cell::RefCell;
58 use std::collections::{HashMap, hash_map};
59 use std::convert::TryInto;
60 use std::cmp;
61 use std::sync::{Arc, Mutex};
62 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
63 use bitcoin::bech32::u5;
64
65 #[inline]
66 pub fn slice_to_be16(v: &[u8]) -> u16 {
67         ((v[0] as u16) << 8*1) |
68         ((v[1] as u16) << 8*0)
69 }
70
71 #[inline]
72 pub fn slice_to_be24(v: &[u8]) -> u32 {
73         ((v[0] as u32) << 8*2) |
74         ((v[1] as u32) << 8*1) |
75         ((v[2] as u32) << 8*0)
76 }
77
78 #[inline]
79 pub fn slice_to_be32(v: &[u8]) -> u32 {
80         ((v[0] as u32) << 8*3) |
81         ((v[1] as u32) << 8*2) |
82         ((v[2] as u32) << 8*1) |
83         ((v[3] as u32) << 8*0)
84 }
85
86 #[inline]
87 pub fn be64_to_array(u: u64) -> [u8; 8] {
88         let mut v = [0; 8];
89         v[0] = ((u >> 8*7) & 0xff) as u8;
90         v[1] = ((u >> 8*6) & 0xff) as u8;
91         v[2] = ((u >> 8*5) & 0xff) as u8;
92         v[3] = ((u >> 8*4) & 0xff) as u8;
93         v[4] = ((u >> 8*3) & 0xff) as u8;
94         v[5] = ((u >> 8*2) & 0xff) as u8;
95         v[6] = ((u >> 8*1) & 0xff) as u8;
96         v[7] = ((u >> 8*0) & 0xff) as u8;
97         v
98 }
99
100 struct InputData {
101         data: Vec<u8>,
102         read_pos: AtomicUsize,
103 }
104 impl InputData {
105         fn get_slice(&self, len: usize) -> Option<&[u8]> {
106                 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
107                 if self.data.len() < old_pos + len {
108                         return None;
109                 }
110                 Some(&self.data[old_pos..old_pos + len])
111         }
112 }
113
114 struct FuzzEstimator {
115         input: Arc<InputData>,
116 }
117 impl FeeEstimator for FuzzEstimator {
118         fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
119                 //TODO: We should actually be testing at least much more than 64k...
120                 match self.input.get_slice(2) {
121                         Some(slice) => cmp::max(slice_to_be16(slice) as u32, 253),
122                         None => 253
123                 }
124         }
125 }
126
127 struct TestBroadcaster {
128         txn_broadcasted: Mutex<Vec<Transaction>>,
129 }
130 impl BroadcasterInterface for TestBroadcaster {
131         fn broadcast_transaction(&self, tx: &Transaction) {
132                 self.txn_broadcasted.lock().unwrap().push(tx.clone());
133         }
134 }
135
136 #[derive(Clone)]
137 struct Peer<'a> {
138         id: u8,
139         peers_connected: &'a RefCell<[bool; 256]>,
140 }
141 impl<'a> SocketDescriptor for Peer<'a> {
142         fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
143                 data.len()
144         }
145         fn disconnect_socket(&mut self) {
146                 assert!(self.peers_connected.borrow()[self.id as usize]);
147                 self.peers_connected.borrow_mut()[self.id as usize] = false;
148         }
149 }
150 impl<'a> PartialEq for Peer<'a> {
151         fn eq(&self, other: &Self) -> bool {
152                 self.id == other.id
153         }
154 }
155 impl<'a> Eq for Peer<'a> {}
156 impl<'a> std::hash::Hash for Peer<'a> {
157         fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
158                 self.id.hash(h)
159         }
160 }
161
162 type ChannelMan = ChannelManager<
163         EnforcingSigner,
164         Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
165         Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>;
166 type PeerMan<'a> = PeerManager<Peer<'a>, Arc<ChannelMan>, Arc<P2PGossipSync<Arc<NetworkGraph<Arc<dyn Logger>>>, Arc<dyn chain::Access>, Arc<dyn Logger>>>, Arc<dyn Logger>, IgnoringMessageHandler>;
167
168 struct MoneyLossDetector<'a> {
169         manager: Arc<ChannelMan>,
170         monitor: Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
171         handler: PeerMan<'a>,
172
173         peers: &'a RefCell<[bool; 256]>,
174         funding_txn: Vec<Transaction>,
175         txids_confirmed: HashMap<Txid, usize>,
176         header_hashes: Vec<(BlockHash, u32)>,
177         height: usize,
178         max_height: usize,
179         blocks_connected: u32,
180 }
181 impl<'a> MoneyLossDetector<'a> {
182         pub fn new(peers: &'a RefCell<[bool; 256]>,
183                    manager: Arc<ChannelMan>,
184                    monitor: Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
185                    handler: PeerMan<'a>) -> Self {
186                 MoneyLossDetector {
187                         manager,
188                         monitor,
189                         handler,
190
191                         peers,
192                         funding_txn: Vec::new(),
193                         txids_confirmed: HashMap::new(),
194                         header_hashes: vec![(genesis_block(Network::Bitcoin).block_hash(), 0)],
195                         height: 0,
196                         max_height: 0,
197                         blocks_connected: 0,
198                 }
199         }
200
201         fn connect_block(&mut self, all_txn: &[Transaction]) {
202                 let mut txdata = Vec::with_capacity(all_txn.len());
203                 for (idx, tx) in all_txn.iter().enumerate() {
204                         let txid = tx.txid();
205                         match self.txids_confirmed.entry(txid) {
206                                 hash_map::Entry::Vacant(e) => {
207                                         e.insert(self.height);
208                                         txdata.push((idx + 1, tx));
209                                 },
210                                 _ => {},
211                         }
212                 }
213
214                 self.blocks_connected += 1;
215                 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height].0, merkle_root: Default::default(), time: self.blocks_connected, bits: 42, nonce: 42 };
216                 self.height += 1;
217                 self.manager.transactions_confirmed(&header, &txdata, self.height as u32);
218                 self.manager.best_block_updated(&header, self.height as u32);
219                 (*self.monitor).transactions_confirmed(&header, &txdata, self.height as u32);
220                 (*self.monitor).best_block_updated(&header, self.height as u32);
221                 if self.header_hashes.len() > self.height {
222                         self.header_hashes[self.height] = (header.block_hash(), self.blocks_connected);
223                 } else {
224                         assert_eq!(self.header_hashes.len(), self.height);
225                         self.header_hashes.push((header.block_hash(), self.blocks_connected));
226                 }
227                 self.max_height = cmp::max(self.height, self.max_height);
228         }
229
230         fn disconnect_block(&mut self) {
231                 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
232                         let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height - 1].0, merkle_root: Default::default(), time: self.header_hashes[self.height].1, bits: 42, nonce: 42 };
233                         self.manager.block_disconnected(&header, self.height as u32);
234                         self.monitor.block_disconnected(&header, self.height as u32);
235                         self.height -= 1;
236                         let removal_height = self.height;
237                         self.txids_confirmed.retain(|_, height| {
238                                 removal_height != *height
239                         });
240                 }
241         }
242 }
243
244 impl<'a> Drop for MoneyLossDetector<'a> {
245         fn drop(&mut self) {
246                 if !::std::thread::panicking() {
247                         // Disconnect all peers
248                         for (idx, peer) in self.peers.borrow().iter().enumerate() {
249                                 if *peer {
250                                         self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
251                                 }
252                         }
253
254                         // Force all channels onto the chain (and time out claim txn)
255                         self.manager.force_close_all_channels_broadcasting_latest_txn();
256                 }
257         }
258 }
259
260 struct KeyProvider {
261         node_secret: SecretKey,
262         inbound_payment_key: KeyMaterial,
263         counter: AtomicU64,
264 }
265 impl KeysInterface for KeyProvider {
266         type Signer = EnforcingSigner;
267
268         fn get_node_secret(&self, _recipient: Recipient) -> Result<SecretKey, ()> {
269                 Ok(self.node_secret.clone())
270         }
271
272         fn get_inbound_payment_key_material(&self) -> KeyMaterial {
273                 self.inbound_payment_key.clone()
274         }
275
276         fn get_destination_script(&self) -> Script {
277                 let secp_ctx = Secp256k1::signing_only();
278                 let channel_monitor_claim_key = SecretKey::from_slice(&hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
279                 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
280                 Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
281         }
282
283         fn get_shutdown_scriptpubkey(&self) -> ShutdownScript {
284                 let secp_ctx = Secp256k1::signing_only();
285                 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();
286                 let pubkey_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &secret_key).serialize());
287                 ShutdownScript::new_p2wpkh(&pubkey_hash)
288         }
289
290         fn get_channel_signer(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingSigner {
291                 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
292                 let secp_ctx = Secp256k1::signing_only();
293                 EnforcingSigner::new(if inbound {
294                         InMemorySigner::new(
295                                 &secp_ctx,
296                                 self.node_secret.clone(),
297                                 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(),
298                                 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(),
299                                 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(),
300                                 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(),
301                                 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(),
302                                 [0, 0, 0, 0, 0, 0, 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],
303                                 channel_value_satoshis,
304                                 [0; 32]
305                         )
306                 } else {
307                         InMemorySigner::new(
308                                 &secp_ctx,
309                                 self.node_secret.clone(),
310                                 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(),
311                                 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(),
312                                 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(),
313                                 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(),
314                                 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(),
315                                 [0, 0, 0, 0, 0, 0, 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],
316                                 channel_value_satoshis,
317                                 [0; 32]
318                         )
319                 })
320         }
321
322         fn get_secure_random_bytes(&self) -> [u8; 32] {
323                 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
324                 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
325                 (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]
326         }
327
328         fn read_chan_signer(&self, mut data: &[u8]) -> Result<EnforcingSigner, DecodeError> {
329                 let inner: InMemorySigner = ReadableArgs::read(&mut data, self.node_secret.clone())?;
330                 let state = Arc::new(Mutex::new(EnforcementState::new()));
331
332                 Ok(EnforcingSigner::new_with_revoked(
333                         inner,
334                         state,
335                         false
336                 ))
337         }
338
339         fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
340                 unreachable!()
341         }
342 }
343
344 #[inline]
345 pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
346         let input = Arc::new(InputData {
347                 data: data.to_vec(),
348                 read_pos: AtomicUsize::new(0),
349         });
350         let fee_est = Arc::new(FuzzEstimator {
351                 input: input.clone(),
352         });
353
354         macro_rules! get_slice {
355                 ($len: expr) => {
356                         match input.get_slice($len as usize) {
357                                 Some(slice) => slice,
358                                 None => return,
359                         }
360                 }
361         }
362
363         macro_rules! get_pubkey {
364                 () => {
365                         match PublicKey::from_slice(get_slice!(33)) {
366                                 Ok(key) => key,
367                                 Err(_) => return,
368                         }
369                 }
370         }
371
372         let our_network_key = match SecretKey::from_slice(get_slice!(32)) {
373                 Ok(key) => key,
374                 Err(_) => return,
375         };
376
377         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];
378
379         let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
380         let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(),
381                 Arc::new(TestPersister { update_ret: Mutex::new(Ok(())) })));
382
383         let keys_manager = Arc::new(KeyProvider { node_secret: our_network_key.clone(), inbound_payment_key: KeyMaterial(inbound_payment_key.try_into().unwrap()), counter: AtomicU64::new(0) });
384         let mut config = UserConfig::default();
385         config.channel_config.forwarding_fee_proportional_millionths =  slice_to_be32(get_slice!(4));
386         config.channel_handshake_config.announced_channel = get_slice!(1)[0] != 0;
387         let network = Network::Bitcoin;
388         let params = ChainParameters {
389                 network,
390                 best_block: BestBlock::from_genesis(network),
391         };
392         let channelmanager = Arc::new(ChannelManager::new(fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, params));
393         // Adding new calls to `KeysInterface::get_secure_random_bytes` during startup can change all the
394         // keys subsequently generated in this test. Rather than regenerating all the messages manually,
395         // it's easier to just increment the counter here so the keys don't change.
396         keys_manager.counter.fetch_sub(2, Ordering::AcqRel);
397         let our_id = PublicKey::from_secret_key(&Secp256k1::signing_only(), &keys_manager.get_node_secret(Recipient::Node).unwrap());
398         let network_graph = Arc::new(NetworkGraph::new(genesis_block(network).block_hash(), Arc::clone(&logger)));
399         let gossip_sync = Arc::new(P2PGossipSync::new(Arc::clone(&network_graph), None, Arc::clone(&logger)));
400         let scorer = FixedPenaltyScorer::with_penalty(0);
401
402         let peers = RefCell::new([false; 256]);
403         let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
404                 chan_handler: channelmanager.clone(),
405                 route_handler: gossip_sync.clone(),
406         }, our_network_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, 15, 0], Arc::clone(&logger), IgnoringMessageHandler{}));
407
408         let mut should_forward = false;
409         let mut payments_received: Vec<PaymentHash> = Vec::new();
410         let mut payments_sent = 0;
411         let mut pending_funding_generation: Vec<([u8; 32], PublicKey, u64, Script)> = Vec::new();
412         let mut pending_funding_signatures = HashMap::new();
413
414         loop {
415                 match get_slice!(1)[0] {
416                         0 => {
417                                 let mut new_id = 0;
418                                 for i in 1..256 {
419                                         if !peers.borrow()[i-1] {
420                                                 new_id = i;
421                                                 break;
422                                         }
423                                 }
424                                 if new_id == 0 { return; }
425                                 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
426                                 peers.borrow_mut()[new_id - 1] = true;
427                         },
428                         1 => {
429                                 let mut new_id = 0;
430                                 for i in 1..256 {
431                                         if !peers.borrow()[i-1] {
432                                                 new_id = i;
433                                                 break;
434                                         }
435                                 }
436                                 if new_id == 0 { return; }
437                                 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
438                                 peers.borrow_mut()[new_id - 1] = true;
439                         },
440                         2 => {
441                                 let peer_id = get_slice!(1)[0];
442                                 if !peers.borrow()[peer_id as usize] { return; }
443                                 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
444                                 peers.borrow_mut()[peer_id as usize] = false;
445                         },
446                         3 => {
447                                 let peer_id = get_slice!(1)[0];
448                                 if !peers.borrow()[peer_id as usize] { return; }
449                                 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
450                                         Ok(res) => assert!(!res),
451                                         Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
452                                 }
453                         },
454                         4 => {
455                                 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
456                                 let payment_params = PaymentParameters::from_node_id(get_pubkey!());
457                                 let params = RouteParameters {
458                                         payment_params,
459                                         final_value_msat,
460                                         final_cltv_expiry_delta: 42,
461                                 };
462                                 let random_seed_bytes: [u8; 32] = keys_manager.get_secure_random_bytes();
463                                 let route = match find_route(&our_id, &params, &network_graph, None, Arc::clone(&logger), &scorer, &random_seed_bytes) {
464                                         Ok(route) => route,
465                                         Err(_) => return,
466                                 };
467                                 let mut payment_hash = PaymentHash([0; 32]);
468                                 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
469                                 let mut sha = Sha256::engine();
470                                 sha.input(&payment_hash.0[..]);
471                                 payment_hash.0 = Sha256::from_engine(sha).into_inner();
472                                 payments_sent += 1;
473                                 match channelmanager.send_payment(&route, payment_hash, &None) {
474                                         Ok(_) => {},
475                                         Err(_) => return,
476                                 }
477                         },
478                         15 => {
479                                 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
480                                 let payment_params = PaymentParameters::from_node_id(get_pubkey!());
481                                 let params = RouteParameters {
482                                         payment_params,
483                                         final_value_msat,
484                                         final_cltv_expiry_delta: 42,
485                                 };
486                                 let random_seed_bytes: [u8; 32] = keys_manager.get_secure_random_bytes();
487                                 let mut route = match find_route(&our_id, &params, &network_graph, None, Arc::clone(&logger), &scorer, &random_seed_bytes) {
488                                         Ok(route) => route,
489                                         Err(_) => return,
490                                 };
491                                 route.paths.push(route.paths[0].clone());
492                                 let mut payment_hash = PaymentHash([0; 32]);
493                                 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
494                                 let mut sha = Sha256::engine();
495                                 sha.input(&payment_hash.0[..]);
496                                 payment_hash.0 = Sha256::from_engine(sha).into_inner();
497                                 payments_sent += 1;
498                                 let mut payment_secret = PaymentSecret([0; 32]);
499                                 payment_secret.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
500                                 payments_sent += 1;
501                                 match channelmanager.send_payment(&route, payment_hash, &Some(payment_secret)) {
502                                         Ok(_) => {},
503                                         Err(_) => return,
504                                 }
505                         },
506                         5 => {
507                                 let peer_id = get_slice!(1)[0];
508                                 if !peers.borrow()[peer_id as usize] { return; }
509                                 let their_key = get_pubkey!();
510                                 let chan_value = slice_to_be24(get_slice!(3)) as u64;
511                                 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
512                                 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None).is_err() { return; }
513                         },
514                         6 => {
515                                 let mut channels = channelmanager.list_channels();
516                                 let channel_id = get_slice!(1)[0] as usize;
517                                 if channel_id >= channels.len() { return; }
518                                 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
519                                 if channelmanager.close_channel(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).is_err() { return; }
520                         },
521                         7 => {
522                                 if should_forward {
523                                         channelmanager.process_pending_htlc_forwards();
524                                         should_forward = false;
525                                 }
526                         },
527                         8 => {
528                                 for payment in payments_received.drain(..) {
529                                         // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
530                                         // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
531                                         // fulfill this HTLC, but if they are, we can just take the first byte and
532                                         // place that anywhere in our preimage.
533                                         if &payment.0[1..] != &[0; 31] {
534                                                 channelmanager.fail_htlc_backwards(&payment);
535                                         } else {
536                                                 let mut payment_preimage = PaymentPreimage([0; 32]);
537                                                 payment_preimage.0[0] = payment.0[0];
538                                                 channelmanager.claim_funds(payment_preimage);
539                                         }
540                                 }
541                         },
542                         16 => {
543                                 let payment_preimage = PaymentPreimage(keys_manager.get_secure_random_bytes());
544                                 let mut sha = Sha256::engine();
545                                 sha.input(&payment_preimage.0[..]);
546                                 let payment_hash = PaymentHash(Sha256::from_engine(sha).into_inner());
547                                 // Note that this may fail - our hashes may collide and we'll end up trying to
548                                 // double-register the same payment_hash.
549                                 let _ = channelmanager.create_inbound_payment_for_hash(payment_hash, None, 1);
550                         },
551                         9 => {
552                                 for payment in payments_received.drain(..) {
553                                         channelmanager.fail_htlc_backwards(&payment);
554                                 }
555                         },
556                         10 => {
557                                 'outer_loop: for funding_generation in pending_funding_generation.drain(..) {
558                                         let mut tx = Transaction { version: 0, lock_time: 0, input: Vec::new(), output: vec![TxOut {
559                                                         value: funding_generation.2, script_pubkey: funding_generation.3,
560                                                 }] };
561                                         let funding_output = 'search_loop: loop {
562                                                 let funding_txid = tx.txid();
563                                                 if let None = loss_detector.txids_confirmed.get(&funding_txid) {
564                                                         let outpoint = OutPoint { txid: funding_txid, index: 0 };
565                                                         for chan in channelmanager.list_channels() {
566                                                                 if chan.channel_id == outpoint.to_channel_id() {
567                                                                         tx.version += 1;
568                                                                         continue 'search_loop;
569                                                                 }
570                                                         }
571                                                         break outpoint;
572                                                 }
573                                                 tx.version += 1;
574                                                 if tx.version > 0xff {
575                                                         continue 'outer_loop;
576                                                 }
577                                         };
578                                         if let Err(e) = channelmanager.funding_transaction_generated(&funding_generation.0, &funding_generation.1, tx.clone()) {
579                                                 // It's possible the channel has been closed in the mean time, but any other
580                                                 // failure may be a bug.
581                                                 if let APIError::ChannelUnavailable { err } = e {
582                                                         assert_eq!(err, "No such channel");
583                                                 } else { panic!(); }
584                                         }
585                                         pending_funding_signatures.insert(funding_output, tx);
586                                 }
587                         },
588                         11 => {
589                                 let mut txn = broadcast.txn_broadcasted.lock().unwrap().split_off(0);
590                                 if !txn.is_empty() {
591                                         loss_detector.connect_block(&txn[..]);
592                                         for _ in 2..100 {
593                                                 loss_detector.connect_block(&[]);
594                                         }
595                                 }
596                                 for tx in txn.drain(..) {
597                                         loss_detector.funding_txn.push(tx);
598                                 }
599                         },
600                         12 => {
601                                 let txlen = slice_to_be16(get_slice!(2));
602                                 if txlen == 0 {
603                                         loss_detector.connect_block(&[]);
604                                 } else {
605                                         let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
606                                         if let Ok(tx) = txres {
607                                                 let mut output_val = 0;
608                                                 for out in tx.output.iter() {
609                                                         if out.value > 21_000_000_0000_0000 { return; }
610                                                         output_val += out.value;
611                                                         if output_val > 21_000_000_0000_0000 { return; }
612                                                 }
613                                                 loss_detector.connect_block(&[tx]);
614                                         } else {
615                                                 return;
616                                         }
617                                 }
618                         },
619                         13 => {
620                                 loss_detector.disconnect_block();
621                         },
622                         14 => {
623                                 let mut channels = channelmanager.list_channels();
624                                 let channel_id = get_slice!(1)[0] as usize;
625                                 if channel_id >= channels.len() { return; }
626                                 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
627                                 channelmanager.force_close_broadcasting_latest_txn(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).unwrap();
628                         },
629                         // 15 is above
630                         _ => return,
631                 }
632                 loss_detector.handler.process_events();
633                 for event in loss_detector.manager.get_and_clear_pending_events() {
634                         match event {
635                                 Event::FundingGenerationReady { temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script, .. } => {
636                                         pending_funding_generation.push((temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script));
637                                 },
638                                 Event::PaymentReceived { payment_hash, .. } => {
639                                         //TODO: enhance by fetching random amounts from fuzz input?
640                                         payments_received.push(payment_hash);
641                                 },
642                                 Event::PendingHTLCsForwardable {..} => {
643                                         should_forward = true;
644                                 },
645                                 _ => {},
646                         }
647                 }
648         }
649 }
650
651 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
652         let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
653         do_test(data, &logger);
654 }
655
656 #[no_mangle]
657 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
658         let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
659         do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
660 }
661
662 #[cfg(test)]
663 mod tests {
664         use lightning::util::logger::{Logger, Record};
665         use std::collections::HashMap;
666         use std::sync::{Arc, Mutex};
667
668         struct TrackingLogger {
669                 /// (module, message) -> count
670                 pub lines: Mutex<HashMap<(String, String), usize>>,
671         }
672         impl Logger for TrackingLogger {
673                 fn log(&self, record: &Record) {
674                         *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
675                         println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
676                 }
677         }
678
679         #[test]
680         fn test_no_existing_test_breakage() {
681                 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
682                 // changes (such as requesting feerate info in a new place), we run a pretty full
683                 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
684                 // so this should be updated pretty liberally, but at least we'll know when changes occur.
685                 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
686
687                 // What each byte represents is broken down below, and then everything is concatenated into
688                 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
689
690                 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
691                 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
692                 // of the Lightning message
693                 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
694                 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
695
696                 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
697
698                 // 0100000000000000000000000000000000000000000000000000000000000000 - our network key
699                 // 00000000 - fee_proportional_millionths
700                 // 01 - announce_channels_publicly
701                 //
702                 // 00 - new outbound connection with id 0
703                 // 030000000000000000000000000000000000000000000000000000000000000002 - peer's pubkey
704                 // 030032 - inbound read from peer id 0 of len 50
705                 // 00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000 - noise act two (0||pubkey||mac)
706                 //
707                 // 030012 - inbound read from peer id 0 of len 18
708                 // 000a 03000000000000000000000000000000 - message header indicating message length 10
709                 // 03001a - inbound read from peer id 0 of len 26
710                 // 0010 00022000 00022000 03000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
711                 //
712                 // 030012 - inbound read from peer id 0 of len 18
713                 // 0141 03000000000000000000000000000000 - message header indicating message length 321
714                 // 0300fe - inbound read from peer id 0 of len 254
715                 // 0020 7500000000000000000000000000000000000000000000000000000000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000162 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
716                 // 030053 - inbound read from peer id 0 of len 83
717                 // 030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 03000000000000000000000000000000 - rest of open_channel and mac
718                 //
719                 // 00fd00fd - Two feerate requests (all returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
720                 // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
721                 //
722                 // 030012 - inbound read from peer id 0 of len 18
723                 // 0084 03000000000000000000000000000000 - message header indicating message length 132
724                 // 030094 - inbound read from peer id 0 of len 148
725                 // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 00000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_created and mac
726                 // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
727                 //
728                 // 0c005e - connect a block with one transaction of len 94
729                 // 020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
730                 // 0c0000 - connect a block with no transactions
731                 // 0c0000 - connect a block with no transactions
732                 // 0c0000 - connect a block with no transactions
733                 // 0c0000 - connect a block with no transactions
734                 // 0c0000 - connect a block with no transactions
735                 // 0c0000 - connect a block with no transactions
736                 // 0c0000 - connect a block with no transactions
737                 // 0c0000 - connect a block with no transactions
738                 // 0c0000 - connect a block with no transactions
739                 // 0c0000 - connect a block with no transactions
740                 // 0c0000 - connect a block with no transactions
741                 // 0c0000 - connect a block with no transactions
742                 // - by now client should have sent a channel_ready (CHECK 3: SendChannelReady to 03000000 for chan 3d000000)
743                 //
744                 // 030012 - inbound read from peer id 0 of len 18
745                 // 0043 03000000000000000000000000000000 - message header indicating message length 67
746                 // 030053 - inbound read from peer id 0 of len 83
747                 // 0024 3d00000000000000000000000000000000000000000000000000000000000000 020800000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - channel_ready and mac
748                 //
749                 // 01 - new inbound connection with id 1
750                 // 030132 - inbound read from peer id 1 of len 50
751                 // 0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000 - inbound noise act 1
752                 // 030142 - inbound read from peer id 1 of len 66
753                 // 000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000 - inbound noise act 3
754                 //
755                 // 030112 - inbound read from peer id 1 of len 18
756                 // 000a 01000000000000000000000000000000 - message header indicating message length 10
757                 // 03011a - inbound read from peer id 1 of len 26
758                 // 0010 00022000 00022000 01000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
759                 //
760                 // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat
761                 // 00fd - One feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
762                 //
763                 // 030112 - inbound read from peer id 1 of len 18
764                 // 0110 01000000000000000000000000000000 - message header indicating message length 272
765                 // 0301ff - inbound read from peer id 1 of len 255
766                 // 0021 0000000000000000000000000000000000000000000000000000000000000e05 0000000000000162 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 02660000000000000000000000000000 - beginning of accept_channel
767                 // 030121 - inbound read from peer id 1 of len 33
768                 // 0000000000000000000000000000000000 01000000000000000000000000000000 - rest of accept_channel and mac
769                 //
770                 // 0a - create the funding transaction (client should send funding_created now)
771                 //
772                 // 030112 - inbound read from peer id 1 of len 18
773                 // 0062 01000000000000000000000000000000 - message header indicating message length 98
774                 // 030172 - inbound read from peer id 1 of len 114
775                 // 0023 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_signed message and mac
776                 //
777                 // 0b - broadcast funding transaction
778                 // - by now client should have sent a channel_ready (CHECK 4: SendChannelReady to 03020000 for chan 3f000000)
779                 //
780                 // 030112 - inbound read from peer id 1 of len 18
781                 // 0043 01000000000000000000000000000000 - message header indicating message length 67
782                 // 030153 - inbound read from peer id 1 of len 83
783                 // 0024 3a00000000000000000000000000000000000000000000000000000000000000 026700000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - channel_ready and mac
784                 //
785                 // 030012 - inbound read from peer id 0 of len 18
786                 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
787                 // 0300ff - inbound read from peer id 0 of len 255
788                 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e8000000a00000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
789                 // 0300ff - inbound read from peer id 0 of len 255
790                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
791                 // 0300ff - inbound read from peer id 0 of len 255
792                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
793                 // 0300ff - inbound read from peer id 0 of len 255
794                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
795                 // 0300ff - inbound read from peer id 0 of len 255
796                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
797                 // 0300c1 - inbound read from peer id 0 of len 193
798                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 4e00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
799                 //
800                 // 030012 - inbound read from peer id 0 of len 18
801                 // 0064 03000000000000000000000000000000 - message header indicating message length 100
802                 // 030074 - inbound read from peer id 0 of len 116
803                 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000300100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
804                 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
805                 //
806                 // 030012 - inbound read from peer id 0 of len 18
807                 // 0063 03000000000000000000000000000000 - message header indicating message length 99
808                 // 030073 - inbound read from peer id 0 of len 115
809                 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0900000000000000000000000000000000000000000000000000000000000000 020b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
810                 //
811                 // 07 - process the now-pending HTLC forward
812                 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: SendHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
813                 //
814                 // - we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
815                 // 030112 - inbound read from peer id 1 of len 18
816                 // 0064 01000000000000000000000000000000 - message header indicating message length 100
817                 // 030174 - inbound read from peer id 1 of len 116
818                 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000006a0001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
819                 //
820                 // 030112 - inbound read from peer id 1 of len 18
821                 // 0063 01000000000000000000000000000000 - message header indicating message length 99
822                 // 030173 - inbound read from peer id 1 of len 115
823                 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6600000000000000000000000000000000000000000000000000000000000000 026400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
824                 //
825                 // 030112 - inbound read from peer id 1 of len 18
826                 // 004a 01000000000000000000000000000000 - message header indicating message length 74
827                 // 03015a - inbound read from peer id 1 of len 90
828                 // 0082 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000 - update_fulfill_htlc and mac
829                 // - client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
830                 //
831                 // 030112 - inbound read from peer id 1 of len 18
832                 // 0064 01000000000000000000000000000000 - message header indicating message length 100
833                 // 030174 - inbound read from peer id 1 of len 116
834                 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000100001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
835                 //
836                 // 030112 - inbound read from peer id 1 of len 18
837                 // 0063 01000000000000000000000000000000 - message header indicating message length 99
838                 // 030173 - inbound read from peer id 1 of len 115
839                 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6700000000000000000000000000000000000000000000000000000000000000 026500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
840                 //
841                 // - before responding to the commitment_signed generated above, send a new HTLC
842                 // 030012 - inbound read from peer id 0 of len 18
843                 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
844                 // 0300ff - inbound read from peer id 0 of len 255
845                 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000003e8000000a00000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
846                 // 0300ff - inbound read from peer id 0 of len 255
847                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
848                 // 0300ff - inbound read from peer id 0 of len 255
849                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
850                 // 0300ff - inbound read from peer id 0 of len 255
851                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
852                 // 0300ff - inbound read from peer id 0 of len 255
853                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
854                 // 0300c1 - inbound read from peer id 0 of len 193
855                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 4e00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
856                 //
857                 // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
858                 // 030012 - inbound read from peer id 0 of len 18
859                 // 0063 03000000000000000000000000000000 - message header indicating message length 99
860                 // 030073 - inbound read from peer id 0 of len 115
861                 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0800000000000000000000000000000000000000000000000000000000000000 020a00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
862                 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
863                 //
864                 // 030012 - inbound read from peer id 0 of len 18
865                 // 0064 03000000000000000000000000000000 - message header indicating message length 100
866                 // 030074 - inbound read from peer id 0 of len 116
867                 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000c30100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
868                 //
869                 // 030012 - inbound read from peer id 0 of len 18
870                 // 0063 03000000000000000000000000000000 - message header indicating message length 99
871                 // 030073 - inbound read from peer id 0 of len 115
872                 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0b00000000000000000000000000000000000000000000000000000000000000 020d00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
873                 //
874                 // 07 - process the now-pending HTLC forward
875                 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
876                 // - we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
877                 //
878                 // 030112 - inbound read from peer id 1 of len 18
879                 // 0064 01000000000000000000000000000000 - message header indicating message length 100
880                 // 030174 - inbound read from peer id 1 of len 116
881                 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
882                 //
883                 // 030112 - inbound read from peer id 1 of len 18
884                 // 0063 01000000000000000000000000000000 - message header indicating message length 99
885                 // 030173 - inbound read from peer id 1 of len 115
886                 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6400000000000000000000000000000000000000000000000000000000000000 027000000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
887                 //
888                 // 030112 - inbound read from peer id 1 of len 18
889                 // 002c 01000000000000000000000000000000 - message header indicating message length 44
890                 // 03013c - inbound read from peer id 1 of len 60
891                 // 0083 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000 - update_fail_htlc and mac
892                 //
893                 // 030112 - inbound read from peer id 1 of len 18
894                 // 0064 01000000000000000000000000000000 - message header indicating message length 100
895                 // 030174 - inbound read from peer id 1 of len 116
896                 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
897                 //
898                 // 030112 - inbound read from peer id 1 of len 18
899                 // 0063 01000000000000000000000000000000 - message header indicating message length 99
900                 // 030173 - inbound read from peer id 1 of len 115
901                 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6500000000000000000000000000000000000000000000000000000000000000 027100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
902                 //
903                 // 07 - process the now-pending HTLC forward
904                 // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
905                 // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
906                 //
907                 // 030012 - inbound read from peer id 0 of len 18
908                 // 0063 03000000000000000000000000000000 - message header indicating message length 99
909                 // 030073 - inbound read from peer id 0 of len 115
910                 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0a00000000000000000000000000000000000000000000000000000000000000 020c00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
911                 //
912                 // 030012 - inbound read from peer id 0 of len 18
913                 // 0064 03000000000000000000000000000000 - message header indicating message length 100
914                 // 030074 - inbound read from peer id 0 of len 116
915                 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000320100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
916                 // - client should now respond with revoke_and_ack (CHECK 5 duplicate)
917                 //
918                 // 030012 - inbound read from peer id 0 of len 18
919                 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
920                 // 0300ff - inbound read from peer id 0 of len 255
921                 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 0000000e000001000000000000000927c0000000a00000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
922                 // 0300ff - inbound read from peer id 0 of len 255
923                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
924                 // 0300ff - inbound read from peer id 0 of len 255
925                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
926                 // 0300ff - inbound read from peer id 0 of len 255
927                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
928                 // 0300ff - inbound read from peer id 0 of len 255
929                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
930                 // 0300c1 - inbound read from peer id 0 of len 193
931                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 4b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
932                 //
933                 // 030012 - inbound read from peer id 0 of len 18
934                 // 00a4 03000000000000000000000000000000 - message header indicating message length 164
935                 // 0300b4 - inbound read from peer id 0 of len 180
936                 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000750100000000000000000000000000000000000000000000000000000000000000 0001 00000000000000000000000000000000000000000000000000000000000000670500000000000000000000000000000000000000000000000000000000000006 03000000000000000000000000000000 - commitment_signed and mac
937                 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
938                 //
939                 // 030012 - inbound read from peer id 0 of len 18
940                 // 0063 03000000000000000000000000000000 - message header indicating message length 99
941                 // 030073 - inbound read from peer id 0 of len 115
942                 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0d00000000000000000000000000000000000000000000000000000000000000 020f00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
943                 //
944                 // 07 - process the now-pending HTLC forward
945                 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
946                 //
947                 // 0c007d - connect a block with one transaction of len 125
948                 // 02000000013a000000000000000000000000000000000000000000000000000000000000000000000000000000800258020000000000002200204b0000000000000000000000000000000000000000000000000000000000000014c0000000000000160014280000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
949                 //
950                 // 0c005e - connect a block with one transaction of len 94
951                 // 0200000001730000000000000000000000000000000000000000000000000000000000000000000000000000000001a701000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000 - the HTLC timeout transaction
952                 // 0c0000 - connect a block with no transactions
953                 // 0c0000 - connect a block with no transactions
954                 // 0c0000 - connect a block with no transactions
955                 // 0c0000 - connect a block with no transactions
956                 // 0c0000 - connect a block with no transactions
957                 //
958                 // 07 - process the now-pending HTLC forward
959                 // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
960
961                 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
962                 super::do_test(&::hex::decode("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963
964                 let log_entries = logger.lines.lock().unwrap();
965                 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
966                 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
967                 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
968                 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
969                 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
970                 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
971                 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
972                 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
973                 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
974                 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
975         }
976 }