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Merge pull request #2161 from benthecarman/prune-stale-channels-rgs
[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::TxMerkleNode;
17 use bitcoin::blockdata::block::BlockHeader;
18 use bitcoin::blockdata::constants::genesis_block;
19 use bitcoin::blockdata::transaction::{Transaction, TxOut};
20 use bitcoin::blockdata::script::{Builder, Script};
21 use bitcoin::blockdata::opcodes;
22 use bitcoin::blockdata::locktime::PackedLockTime;
23 use bitcoin::consensus::encode::deserialize;
24 use bitcoin::network::constants::Network;
25
26 use bitcoin::hashes::Hash as TraitImport;
27 use bitcoin::hashes::HashEngine as TraitImportEngine;
28 use bitcoin::hashes::sha256::Hash as Sha256;
29 use bitcoin::hashes::sha256d::Hash as Sha256dHash;
30 use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash};
31
32 use lightning::chain;
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::chain::keysinterface::{InMemorySigner, Recipient, KeyMaterial, EntropySource, NodeSigner, SignerProvider};
38 use lightning::events::Event;
39 use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
40 use lightning::ln::channelmanager::{ChainParameters, ChannelDetails, ChannelManager, PaymentId, RecipientOnionFields, Retry};
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::routing::gossip::{P2PGossipSync, NetworkGraph};
45 use lightning::routing::utxo::UtxoLookup;
46 use lightning::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteParameters, Router};
47 use lightning::util::config::UserConfig;
48 use lightning::util::errors::APIError;
49 use lightning::util::enforcing_trait_impls::{EnforcingSigner, EnforcementState};
50 use lightning::util::logger::Logger;
51 use lightning::util::ser::{Readable, Writeable};
52
53 use crate::utils::test_logger;
54 use crate::utils::test_persister::TestPersister;
55
56 use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1};
57 use bitcoin::secp256k1::ecdh::SharedSecret;
58 use bitcoin::secp256k1::ecdsa::{RecoverableSignature, Signature};
59
60 use std::cell::RefCell;
61 use hashbrown::{HashMap, hash_map};
62 use std::convert::TryInto;
63 use std::cmp;
64 use std::sync::{Arc, Mutex};
65 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
66 use bitcoin::bech32::u5;
67
68 #[inline]
69 pub fn slice_to_be16(v: &[u8]) -> u16 {
70         ((v[0] as u16) << 8*1) |
71         ((v[1] as u16) << 8*0)
72 }
73
74 #[inline]
75 pub fn slice_to_be24(v: &[u8]) -> u32 {
76         ((v[0] as u32) << 8*2) |
77         ((v[1] as u32) << 8*1) |
78         ((v[2] as u32) << 8*0)
79 }
80
81 #[inline]
82 pub fn slice_to_be32(v: &[u8]) -> u32 {
83         ((v[0] as u32) << 8*3) |
84         ((v[1] as u32) << 8*2) |
85         ((v[2] as u32) << 8*1) |
86         ((v[3] as u32) << 8*0)
87 }
88
89 #[inline]
90 pub fn be64_to_array(u: u64) -> [u8; 8] {
91         let mut v = [0; 8];
92         v[0] = ((u >> 8*7) & 0xff) as u8;
93         v[1] = ((u >> 8*6) & 0xff) as u8;
94         v[2] = ((u >> 8*5) & 0xff) as u8;
95         v[3] = ((u >> 8*4) & 0xff) as u8;
96         v[4] = ((u >> 8*3) & 0xff) as u8;
97         v[5] = ((u >> 8*2) & 0xff) as u8;
98         v[6] = ((u >> 8*1) & 0xff) as u8;
99         v[7] = ((u >> 8*0) & 0xff) as u8;
100         v
101 }
102
103 struct InputData {
104         data: Vec<u8>,
105         read_pos: AtomicUsize,
106 }
107 impl InputData {
108         fn get_slice(&self, len: usize) -> Option<&[u8]> {
109                 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
110                 if self.data.len() < old_pos + len {
111                         return None;
112                 }
113                 Some(&self.data[old_pos..old_pos + len])
114         }
115 }
116
117 struct FuzzEstimator {
118         input: Arc<InputData>,
119 }
120 impl FeeEstimator for FuzzEstimator {
121         fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
122                 //TODO: We should actually be testing at least much more than 64k...
123                 match self.input.get_slice(2) {
124                         Some(slice) => cmp::max(slice_to_be16(slice) as u32, 253),
125                         None => 253
126                 }
127         }
128 }
129
130 struct FuzzRouter {}
131
132 impl Router for FuzzRouter {
133         fn find_route(
134                 &self, _payer: &PublicKey, _params: &RouteParameters, _first_hops: Option<&[&ChannelDetails]>,
135                 _inflight_htlcs: &InFlightHtlcs
136         ) -> Result<Route, msgs::LightningError> {
137                 Err(msgs::LightningError {
138                         err: String::from("Not implemented"),
139                         action: msgs::ErrorAction::IgnoreError
140                 })
141         }
142 }
143
144 struct TestBroadcaster {
145         txn_broadcasted: Mutex<Vec<Transaction>>,
146 }
147 impl BroadcasterInterface for TestBroadcaster {
148         fn broadcast_transaction(&self, tx: &Transaction) {
149                 self.txn_broadcasted.lock().unwrap().push(tx.clone());
150         }
151 }
152
153 #[derive(Clone)]
154 struct Peer<'a> {
155         id: u8,
156         peers_connected: &'a RefCell<[bool; 256]>,
157 }
158 impl<'a> SocketDescriptor for Peer<'a> {
159         fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
160                 data.len()
161         }
162         fn disconnect_socket(&mut self) {
163                 assert!(self.peers_connected.borrow()[self.id as usize]);
164                 self.peers_connected.borrow_mut()[self.id as usize] = false;
165         }
166 }
167 impl<'a> PartialEq for Peer<'a> {
168         fn eq(&self, other: &Self) -> bool {
169                 self.id == other.id
170         }
171 }
172 impl<'a> Eq for Peer<'a> {}
173 impl<'a> std::hash::Hash for Peer<'a> {
174         fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
175                 self.id.hash(h)
176         }
177 }
178
179 type ChannelMan<'a> = ChannelManager<
180         Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
181         Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<FuzzEstimator>, &'a FuzzRouter, Arc<dyn Logger>>;
182 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>>;
183
184 struct MoneyLossDetector<'a> {
185         manager: Arc<ChannelMan<'a>>,
186         monitor: Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
187         handler: PeerMan<'a>,
188
189         peers: &'a RefCell<[bool; 256]>,
190         funding_txn: Vec<Transaction>,
191         txids_confirmed: HashMap<Txid, usize>,
192         header_hashes: Vec<(BlockHash, u32)>,
193         height: usize,
194         max_height: usize,
195         blocks_connected: u32,
196 }
197 impl<'a> MoneyLossDetector<'a> {
198         pub fn new(peers: &'a RefCell<[bool; 256]>,
199                    manager: Arc<ChannelMan<'a>>,
200                    monitor: Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
201                    handler: PeerMan<'a>) -> Self {
202                 MoneyLossDetector {
203                         manager,
204                         monitor,
205                         handler,
206
207                         peers,
208                         funding_txn: Vec::new(),
209                         txids_confirmed: HashMap::new(),
210                         header_hashes: vec![(genesis_block(Network::Bitcoin).block_hash(), 0)],
211                         height: 0,
212                         max_height: 0,
213                         blocks_connected: 0,
214                 }
215         }
216
217         fn connect_block(&mut self, all_txn: &[Transaction]) {
218                 let mut txdata = Vec::with_capacity(all_txn.len());
219                 for (idx, tx) in all_txn.iter().enumerate() {
220                         let txid = tx.txid();
221                         match self.txids_confirmed.entry(txid) {
222                                 hash_map::Entry::Vacant(e) => {
223                                         e.insert(self.height);
224                                         txdata.push((idx + 1, tx));
225                                 },
226                                 _ => {},
227                         }
228                 }
229
230                 self.blocks_connected += 1;
231                 let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height].0, merkle_root: TxMerkleNode::all_zeros(), time: self.blocks_connected, bits: 42, nonce: 42 };
232                 self.height += 1;
233                 self.manager.transactions_confirmed(&header, &txdata, self.height as u32);
234                 self.manager.best_block_updated(&header, self.height as u32);
235                 (*self.monitor).transactions_confirmed(&header, &txdata, self.height as u32);
236                 (*self.monitor).best_block_updated(&header, self.height as u32);
237                 if self.header_hashes.len() > self.height {
238                         self.header_hashes[self.height] = (header.block_hash(), self.blocks_connected);
239                 } else {
240                         assert_eq!(self.header_hashes.len(), self.height);
241                         self.header_hashes.push((header.block_hash(), self.blocks_connected));
242                 }
243                 self.max_height = cmp::max(self.height, self.max_height);
244         }
245
246         fn disconnect_block(&mut self) {
247                 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
248                         let header = BlockHeader { version: 0x20000000, prev_blockhash: self.header_hashes[self.height - 1].0, merkle_root: TxMerkleNode::all_zeros(), time: self.header_hashes[self.height].1, bits: 42, nonce: 42 };
249                         self.manager.block_disconnected(&header, self.height as u32);
250                         self.monitor.block_disconnected(&header, self.height as u32);
251                         self.height -= 1;
252                         let removal_height = self.height;
253                         self.txids_confirmed.retain(|_, height| {
254                                 removal_height != *height
255                         });
256                 }
257         }
258 }
259
260 impl<'a> Drop for MoneyLossDetector<'a> {
261         fn drop(&mut self) {
262                 if !::std::thread::panicking() {
263                         // Disconnect all peers
264                         for (idx, peer) in self.peers.borrow().iter().enumerate() {
265                                 if *peer {
266                                         self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
267                                 }
268                         }
269
270                         // Force all channels onto the chain (and time out claim txn)
271                         self.manager.force_close_all_channels_broadcasting_latest_txn();
272                 }
273         }
274 }
275
276 struct KeyProvider {
277         node_secret: SecretKey,
278         inbound_payment_key: KeyMaterial,
279         counter: AtomicU64,
280         signer_state: RefCell<HashMap<u8, (bool, Arc<Mutex<EnforcementState>>)>>
281 }
282
283 impl EntropySource for KeyProvider {
284         fn get_secure_random_bytes(&self) -> [u8; 32] {
285                 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
286                 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
287                         (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]
288         }
289 }
290
291 impl NodeSigner for KeyProvider {
292         fn get_node_id(&self, recipient: Recipient) -> Result<PublicKey, ()> {
293                 let node_secret = match recipient {
294                         Recipient::Node => Ok(&self.node_secret),
295                         Recipient::PhantomNode => Err(())
296                 }?;
297                 Ok(PublicKey::from_secret_key(&Secp256k1::signing_only(), node_secret))
298         }
299
300         fn ecdh(&self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&Scalar>) -> Result<SharedSecret, ()> {
301                 let mut node_secret = match recipient {
302                         Recipient::Node => Ok(self.node_secret.clone()),
303                         Recipient::PhantomNode => Err(())
304                 }?;
305                 if let Some(tweak) = tweak {
306                         node_secret = node_secret.mul_tweak(tweak).map_err(|_| ())?;
307                 }
308                 Ok(SharedSecret::new(other_key, &node_secret))
309         }
310
311         fn get_inbound_payment_key_material(&self) -> KeyMaterial {
312                 self.inbound_payment_key.clone()
313         }
314
315         fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
316                 unreachable!()
317         }
318
319         fn sign_gossip_message(&self, msg: lightning::ln::msgs::UnsignedGossipMessage) -> Result<Signature, ()> {
320                 let msg_hash = Message::from_slice(&Sha256dHash::hash(&msg.encode()[..])[..]).map_err(|_| ())?;
321                 let secp_ctx = Secp256k1::signing_only();
322                 Ok(secp_ctx.sign_ecdsa(&msg_hash, &self.node_secret))
323         }
324 }
325
326 impl SignerProvider for KeyProvider {
327         type Signer = EnforcingSigner;
328
329         fn generate_channel_keys_id(&self, inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128) -> [u8; 32] {
330                 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
331                 self.signer_state.borrow_mut().insert(ctr, (inbound, Arc::new(Mutex::new(EnforcementState::new()))));
332                 [ctr; 32]
333         }
334
335         fn derive_channel_signer(&self, channel_value_satoshis: u64, channel_keys_id: [u8; 32]) -> Self::Signer {
336                 let secp_ctx = Secp256k1::signing_only();
337                 let ctr = channel_keys_id[0];
338                 let (inbound, state) = self.signer_state.borrow().get(&ctr).unwrap().clone();
339                 EnforcingSigner::new_with_revoked(if inbound {
340                         InMemorySigner::new(
341                                 &secp_ctx,
342                                 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(),
343                                 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(),
344                                 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(),
345                                 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(),
346                                 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(),
347                                 [0, 0, 0, 0, 0, 0, 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],
348                                 channel_value_satoshis,
349                                 channel_keys_id,
350                         )
351                 } else {
352                         InMemorySigner::new(
353                                 &secp_ctx,
354                                 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(),
355                                 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(),
356                                 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(),
357                                 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(),
358                                 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(),
359                                 [0, 0, 0, 0, 0, 0, 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],
360                                 channel_value_satoshis,
361                                 channel_keys_id,
362                         )
363                 }, state, false)
364         }
365
366         fn read_chan_signer(&self, mut data: &[u8]) -> Result<EnforcingSigner, DecodeError> {
367                 let inner: InMemorySigner = Readable::read(&mut data)?;
368                 let state = Arc::new(Mutex::new(EnforcementState::new()));
369
370                 Ok(EnforcingSigner::new_with_revoked(
371                         inner,
372                         state,
373                         false
374                 ))
375         }
376
377         fn get_destination_script(&self) -> Script {
378                 let secp_ctx = Secp256k1::signing_only();
379                 let channel_monitor_claim_key = SecretKey::from_slice(&hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
380                 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
381                 Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
382         }
383
384         fn get_shutdown_scriptpubkey(&self) -> ShutdownScript {
385                 let secp_ctx = Secp256k1::signing_only();
386                 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();
387                 let pubkey_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &secret_key).serialize());
388                 ShutdownScript::new_p2wpkh(&pubkey_hash)
389         }
390 }
391
392 #[inline]
393 pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
394         let input = Arc::new(InputData {
395                 data: data.to_vec(),
396                 read_pos: AtomicUsize::new(0),
397         });
398         let fee_est = Arc::new(FuzzEstimator {
399                 input: input.clone(),
400         });
401         let router = FuzzRouter {};
402
403         macro_rules! get_slice {
404                 ($len: expr) => {
405                         match input.get_slice($len as usize) {
406                                 Some(slice) => slice,
407                                 None => return,
408                         }
409                 }
410         }
411
412         macro_rules! get_pubkey {
413                 () => {
414                         match PublicKey::from_slice(get_slice!(33)) {
415                                 Ok(key) => key,
416                                 Err(_) => return,
417                         }
418                 }
419         }
420
421         let our_network_key = match SecretKey::from_slice(get_slice!(32)) {
422                 Ok(key) => key,
423                 Err(_) => return,
424         };
425
426         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];
427
428         let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
429         let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(),
430                 Arc::new(TestPersister { update_ret: Mutex::new(ChannelMonitorUpdateStatus::Completed) })));
431
432         let keys_manager = Arc::new(KeyProvider {
433                 node_secret: our_network_key.clone(),
434                 inbound_payment_key: KeyMaterial(inbound_payment_key.try_into().unwrap()),
435                 counter: AtomicU64::new(0),
436                 signer_state: RefCell::new(HashMap::new())
437         });
438         let mut config = UserConfig::default();
439         config.channel_config.forwarding_fee_proportional_millionths =  slice_to_be32(get_slice!(4));
440         config.channel_handshake_config.announced_channel = get_slice!(1)[0] != 0;
441         let network = Network::Bitcoin;
442         let params = ChainParameters {
443                 network,
444                 best_block: BestBlock::from_network(network),
445         };
446         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));
447         // Adding new calls to `EntropySource::get_secure_random_bytes` during startup can change all the
448         // keys subsequently generated in this test. Rather than regenerating all the messages manually,
449         // it's easier to just increment the counter here so the keys don't change.
450         keys_manager.counter.fetch_sub(3, Ordering::AcqRel);
451         let network_graph = Arc::new(NetworkGraph::new(network, Arc::clone(&logger)));
452         let gossip_sync = Arc::new(P2PGossipSync::new(Arc::clone(&network_graph), None, Arc::clone(&logger)));
453
454         let peers = RefCell::new([false; 256]);
455         let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
456                 chan_handler: channelmanager.clone(),
457                 route_handler: gossip_sync.clone(),
458                 onion_message_handler: IgnoringMessageHandler {},
459         }, 0, &[0, 0, 0, 0, 0, 0, 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{}, keys_manager.clone()));
460
461         let mut should_forward = false;
462         let mut payments_received: Vec<PaymentHash> = Vec::new();
463         let mut payments_sent = 0;
464         let mut pending_funding_generation: Vec<([u8; 32], PublicKey, u64, Script)> = Vec::new();
465         let mut pending_funding_signatures = HashMap::new();
466
467         loop {
468                 match get_slice!(1)[0] {
469                         0 => {
470                                 let mut new_id = 0;
471                                 for i in 1..256 {
472                                         if !peers.borrow()[i-1] {
473                                                 new_id = i;
474                                                 break;
475                                         }
476                                 }
477                                 if new_id == 0 { return; }
478                                 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
479                                 peers.borrow_mut()[new_id - 1] = true;
480                         },
481                         1 => {
482                                 let mut new_id = 0;
483                                 for i in 1..256 {
484                                         if !peers.borrow()[i-1] {
485                                                 new_id = i;
486                                                 break;
487                                         }
488                                 }
489                                 if new_id == 0 { return; }
490                                 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
491                                 peers.borrow_mut()[new_id - 1] = true;
492                         },
493                         2 => {
494                                 let peer_id = get_slice!(1)[0];
495                                 if !peers.borrow()[peer_id as usize] { return; }
496                                 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
497                                 peers.borrow_mut()[peer_id as usize] = false;
498                         },
499                         3 => {
500                                 let peer_id = get_slice!(1)[0];
501                                 if !peers.borrow()[peer_id as usize] { return; }
502                                 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
503                                         Ok(res) => assert!(!res),
504                                         Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
505                                 }
506                         },
507                         4 => {
508                                 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
509                                 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
510                                 let params = RouteParameters {
511                                         payment_params,
512                                         final_value_msat,
513                                 };
514                                 let mut payment_hash = PaymentHash([0; 32]);
515                                 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
516                                 let mut sha = Sha256::engine();
517                                 sha.input(&payment_hash.0[..]);
518                                 payment_hash.0 = Sha256::from_engine(sha).into_inner();
519                                 payments_sent += 1;
520                                 match channelmanager.send_payment(payment_hash,
521                                         RecipientOnionFields::spontaneous_empty(), PaymentId(payment_hash.0), params,
522                                         Retry::Attempts(0))
523                                 {
524                                         Ok(_) => {},
525                                         Err(_) => return,
526                                 }
527                         },
528                         15 => {
529                                 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
530                                 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
531                                 let params = RouteParameters {
532                                         payment_params,
533                                         final_value_msat,
534                                 };
535                                 let mut payment_hash = PaymentHash([0; 32]);
536                                 payment_hash.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
537                                 let mut sha = Sha256::engine();
538                                 sha.input(&payment_hash.0[..]);
539                                 payment_hash.0 = Sha256::from_engine(sha).into_inner();
540                                 payments_sent += 1;
541                                 let mut payment_secret = PaymentSecret([0; 32]);
542                                 payment_secret.0[0..8].copy_from_slice(&be64_to_array(payments_sent));
543                                 payments_sent += 1;
544                                 match channelmanager.send_payment(payment_hash,
545                                         RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0),
546                                         params, Retry::Attempts(0))
547                                 {
548                                         Ok(_) => {},
549                                         Err(_) => return,
550                                 }
551                         },
552                         5 => {
553                                 let peer_id = get_slice!(1)[0];
554                                 if !peers.borrow()[peer_id as usize] { return; }
555                                 let their_key = get_pubkey!();
556                                 let chan_value = slice_to_be24(get_slice!(3)) as u64;
557                                 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
558                                 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None).is_err() { return; }
559                         },
560                         6 => {
561                                 let mut channels = channelmanager.list_channels();
562                                 let channel_id = get_slice!(1)[0] as usize;
563                                 if channel_id >= channels.len() { return; }
564                                 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
565                                 if channelmanager.close_channel(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).is_err() { return; }
566                         },
567                         7 => {
568                                 if should_forward {
569                                         channelmanager.process_pending_htlc_forwards();
570                                         should_forward = false;
571                                 }
572                         },
573                         8 => {
574                                 for payment in payments_received.drain(..) {
575                                         // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
576                                         // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
577                                         // fulfill this HTLC, but if they are, we can just take the first byte and
578                                         // place that anywhere in our preimage.
579                                         if &payment.0[1..] != &[0; 31] {
580                                                 channelmanager.fail_htlc_backwards(&payment);
581                                         } else {
582                                                 let mut payment_preimage = PaymentPreimage([0; 32]);
583                                                 payment_preimage.0[0] = payment.0[0];
584                                                 channelmanager.claim_funds(payment_preimage);
585                                         }
586                                 }
587                         },
588                         16 => {
589                                 let payment_preimage = PaymentPreimage(keys_manager.get_secure_random_bytes());
590                                 let mut sha = Sha256::engine();
591                                 sha.input(&payment_preimage.0[..]);
592                                 let payment_hash = PaymentHash(Sha256::from_engine(sha).into_inner());
593                                 // Note that this may fail - our hashes may collide and we'll end up trying to
594                                 // double-register the same payment_hash.
595                                 let _ = channelmanager.create_inbound_payment_for_hash(payment_hash, None, 1, None);
596                         },
597                         9 => {
598                                 for payment in payments_received.drain(..) {
599                                         channelmanager.fail_htlc_backwards(&payment);
600                                 }
601                         },
602                         10 => {
603                                 'outer_loop: for funding_generation in pending_funding_generation.drain(..) {
604                                         let mut tx = Transaction { version: 0, lock_time: PackedLockTime::ZERO, input: Vec::new(), output: vec![TxOut {
605                                                         value: funding_generation.2, script_pubkey: funding_generation.3,
606                                                 }] };
607                                         let funding_output = 'search_loop: loop {
608                                                 let funding_txid = tx.txid();
609                                                 if let None = loss_detector.txids_confirmed.get(&funding_txid) {
610                                                         let outpoint = OutPoint { txid: funding_txid, index: 0 };
611                                                         for chan in channelmanager.list_channels() {
612                                                                 if chan.channel_id == outpoint.to_channel_id() {
613                                                                         tx.version += 1;
614                                                                         continue 'search_loop;
615                                                                 }
616                                                         }
617                                                         break outpoint;
618                                                 }
619                                                 tx.version += 1;
620                                                 if tx.version > 0xff {
621                                                         continue 'outer_loop;
622                                                 }
623                                         };
624                                         if let Err(e) = channelmanager.funding_transaction_generated(&funding_generation.0, &funding_generation.1, tx.clone()) {
625                                                 // It's possible the channel has been closed in the mean time, but any other
626                                                 // failure may be a bug.
627                                                 if let APIError::ChannelUnavailable { .. } = e { } else { panic!(); }
628                                         }
629                                         pending_funding_signatures.insert(funding_output, tx);
630                                 }
631                         },
632                         11 => {
633                                 let mut txn = broadcast.txn_broadcasted.lock().unwrap().split_off(0);
634                                 if !txn.is_empty() {
635                                         loss_detector.connect_block(&txn[..]);
636                                         for _ in 2..100 {
637                                                 loss_detector.connect_block(&[]);
638                                         }
639                                 }
640                                 for tx in txn.drain(..) {
641                                         loss_detector.funding_txn.push(tx);
642                                 }
643                         },
644                         12 => {
645                                 let txlen = slice_to_be16(get_slice!(2));
646                                 if txlen == 0 {
647                                         loss_detector.connect_block(&[]);
648                                 } else {
649                                         let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
650                                         if let Ok(tx) = txres {
651                                                 let mut output_val = 0;
652                                                 for out in tx.output.iter() {
653                                                         if out.value > 21_000_000_0000_0000 { return; }
654                                                         output_val += out.value;
655                                                         if output_val > 21_000_000_0000_0000 { return; }
656                                                 }
657                                                 loss_detector.connect_block(&[tx]);
658                                         } else {
659                                                 return;
660                                         }
661                                 }
662                         },
663                         13 => {
664                                 loss_detector.disconnect_block();
665                         },
666                         14 => {
667                                 let mut channels = channelmanager.list_channels();
668                                 let channel_id = get_slice!(1)[0] as usize;
669                                 if channel_id >= channels.len() { return; }
670                                 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
671                                 channelmanager.force_close_broadcasting_latest_txn(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).unwrap();
672                         },
673                         // 15 is above
674                         _ => return,
675                 }
676                 loss_detector.handler.process_events();
677                 for event in loss_detector.manager.get_and_clear_pending_events() {
678                         match event {
679                                 Event::FundingGenerationReady { temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script, .. } => {
680                                         pending_funding_generation.push((temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script));
681                                 },
682                                 Event::PaymentClaimable { payment_hash, .. } => {
683                                         //TODO: enhance by fetching random amounts from fuzz input?
684                                         payments_received.push(payment_hash);
685                                 },
686                                 Event::PendingHTLCsForwardable {..} => {
687                                         should_forward = true;
688                                 },
689                                 _ => {},
690                         }
691                 }
692         }
693 }
694
695 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
696         let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
697         do_test(data, &logger);
698 }
699
700 #[no_mangle]
701 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
702         let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
703         do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
704 }
705
706 #[cfg(test)]
707 mod tests {
708         use lightning::util::logger::{Logger, Record};
709         use std::collections::HashMap;
710         use std::sync::{Arc, Mutex};
711
712         struct TrackingLogger {
713                 /// (module, message) -> count
714                 pub lines: Mutex<HashMap<(String, String), usize>>,
715         }
716         impl Logger for TrackingLogger {
717                 fn log(&self, record: &Record) {
718                         *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
719                         println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
720                 }
721         }
722
723         #[test]
724         fn test_no_existing_test_breakage() {
725                 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
726                 // changes (such as requesting feerate info in a new place), we run a pretty full
727                 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
728                 // so this should be updated pretty liberally, but at least we'll know when changes occur.
729                 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
730
731                 // What each byte represents is broken down below, and then everything is concatenated into
732                 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
733
734                 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
735                 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
736                 // of the Lightning message
737                 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
738                 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
739
740                 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
741
742                 // 0100000000000000000000000000000000000000000000000000000000000000 - our network key
743                 // 00000000 - fee_proportional_millionths
744                 // 01 - announce_channels_publicly
745                 //
746                 // 00 - new outbound connection with id 0
747                 // 030000000000000000000000000000000000000000000000000000000000000002 - peer's pubkey
748                 // 030032 - inbound read from peer id 0 of len 50
749                 // 00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000 - noise act two (0||pubkey||mac)
750                 //
751                 // 030012 - inbound read from peer id 0 of len 18
752                 // 000a 03000000000000000000000000000000 - message header indicating message length 10
753                 // 03001a - inbound read from peer id 0 of len 26
754                 // 0010 00022000 00022000 03000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
755                 //
756                 // 030012 - inbound read from peer id 0 of len 18
757                 // 0141 03000000000000000000000000000000 - message header indicating message length 321
758                 // 0300fe - inbound read from peer id 0 of len 254
759                 // 0020 7500000000000000000000000000000000000000000000000000000000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000162 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
760                 // 030053 - inbound read from peer id 0 of len 83
761                 // 030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 03000000000000000000000000000000 - rest of open_channel and mac
762                 //
763                 // 00fd00fd - Two feerate requests (all returning min feerate, which our open_channel also uses) (gonna be ingested by FuzzEstimator)
764                 // - client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
765                 //
766                 // 030012 - inbound read from peer id 0 of len 18
767                 // 0084 03000000000000000000000000000000 - message header indicating message length 132
768                 // 030094 - inbound read from peer id 0 of len 148
769                 // 0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 00000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - funding_created and mac
770                 // - client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
771                 //
772                 // 0c005e - connect a block with one transaction of len 94
773                 // 020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000 - the funding transaction
774                 // 0c0000 - connect a block with no transactions
775                 // 0c0000 - connect a block with no transactions
776                 // 0c0000 - connect a block with no transactions
777                 // 0c0000 - connect a block with no transactions
778                 // 0c0000 - connect a block with no transactions
779                 // 0c0000 - connect a block with no transactions
780                 // 0c0000 - connect a block with no transactions
781                 // 0c0000 - connect a block with no transactions
782                 // 0c0000 - connect a block with no transactions
783                 // 0c0000 - connect a block with no transactions
784                 // 0c0000 - connect a block with no transactions
785                 // 0c0000 - connect a block with no transactions
786                 // - by now client should have sent a channel_ready (CHECK 3: SendChannelReady to 03000000 for chan 3d000000)
787                 //
788                 // 030012 - inbound read from peer id 0 of len 18
789                 // 0043 03000000000000000000000000000000 - message header indicating message length 67
790                 // 030053 - inbound read from peer id 0 of len 83
791                 // 0024 3d00000000000000000000000000000000000000000000000000000000000000 020800000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - channel_ready and mac
792                 //
793                 // 01 - new inbound connection with id 1
794                 // 030132 - inbound read from peer id 1 of len 50
795                 // 0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000 - inbound noise act 1
796                 // 030142 - inbound read from peer id 1 of len 66
797                 // 000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000 - inbound noise act 3
798                 //
799                 // 030112 - inbound read from peer id 1 of len 18
800                 // 000a 01000000000000000000000000000000 - message header indicating message length 10
801                 // 03011a - inbound read from peer id 1 of len 26
802                 // 0010 00022000 00022000 01000000000000000000000000000000 - init message (type 16) with static_remotekey (0x2000) and mac
803                 //
804                 // 05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8 - create outbound channel to peer 1 for 50k sat
805                 // 00fd - One feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
806                 //
807                 // 030112 - inbound read from peer id 1 of len 18
808                 // 0110 01000000000000000000000000000000 - message header indicating message length 272
809                 // 0301ff - inbound read from peer id 1 of len 255
810                 // 0021 0000000000000000000000000000000000000000000000000000000000000e05 0000000000000162 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 02660000000000000000000000000000 - beginning of accept_channel
811                 // 030121 - inbound read from peer id 1 of len 33
812                 // 0000000000000000000000000000000000 01000000000000000000000000000000 - rest of accept_channel and mac
813                 //
814                 // 0a - create the funding transaction (client should send funding_created now)
815                 //
816                 // 030112 - inbound read from peer id 1 of len 18
817                 // 0062 01000000000000000000000000000000 - message header indicating message length 98
818                 // 030172 - inbound read from peer id 1 of len 114
819                 // 0023 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - funding_signed message and mac
820                 //
821                 // 0b - broadcast funding transaction
822                 // - by now client should have sent a channel_ready (CHECK 4: SendChannelReady to 03020000 for chan 3f000000)
823                 //
824                 // 030112 - inbound read from peer id 1 of len 18
825                 // 0043 01000000000000000000000000000000 - message header indicating message length 67
826                 // 030153 - inbound read from peer id 1 of len 83
827                 // 0024 3a00000000000000000000000000000000000000000000000000000000000000 026700000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - channel_ready and mac
828                 //
829                 // 030012 - inbound read from peer id 0 of len 18
830                 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
831                 // 0300ff - inbound read from peer id 0 of len 255
832                 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
833                 // 0300ff - inbound read from peer id 0 of len 255
834                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
835                 // 0300ff - inbound read from peer id 0 of len 255
836                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
837                 // 0300ff - inbound read from peer id 0 of len 255
838                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
839                 // 0300ff - inbound read from peer id 0 of len 255
840                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
841                 // 0300c1 - inbound read from peer id 0 of len 193
842                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
843                 //
844                 // 030012 - inbound read from peer id 0 of len 18
845                 // 0064 03000000000000000000000000000000 - message header indicating message length 100
846                 // 030074 - inbound read from peer id 0 of len 116
847                 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000300100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
848                 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
849                 //
850                 // 030012 - inbound read from peer id 0 of len 18
851                 // 0063 03000000000000000000000000000000 - message header indicating message length 99
852                 // 030073 - inbound read from peer id 0 of len 115
853                 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0900000000000000000000000000000000000000000000000000000000000000 020b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
854                 //
855                 // 07 - process the now-pending HTLC forward
856                 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: UpdateHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
857                 //
858                 // - we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
859                 // 030112 - inbound read from peer id 1 of len 18
860                 // 0064 01000000000000000000000000000000 - message header indicating message length 100
861                 // 030174 - inbound read from peer id 1 of len 116
862                 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000006a0001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
863                 //
864                 // 030112 - inbound read from peer id 1 of len 18
865                 // 0063 01000000000000000000000000000000 - message header indicating message length 99
866                 // 030173 - inbound read from peer id 1 of len 115
867                 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6600000000000000000000000000000000000000000000000000000000000000 026400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
868                 //
869                 // 030112 - inbound read from peer id 1 of len 18
870                 // 004a 01000000000000000000000000000000 - message header indicating message length 74
871                 // 03015a - inbound read from peer id 1 of len 90
872                 // 0082 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000 - update_fulfill_htlc and mac
873                 // - client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
874                 //
875                 // 030112 - inbound read from peer id 1 of len 18
876                 // 0064 01000000000000000000000000000000 - message header indicating message length 100
877                 // 030174 - inbound read from peer id 1 of len 116
878                 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000100001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
879                 //
880                 // 030112 - inbound read from peer id 1 of len 18
881                 // 0063 01000000000000000000000000000000 - message header indicating message length 99
882                 // 030173 - inbound read from peer id 1 of len 115
883                 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6700000000000000000000000000000000000000000000000000000000000000 026500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
884                 //
885                 // - before responding to the commitment_signed generated above, send a new HTLC
886                 // 030012 - inbound read from peer id 0 of len 18
887                 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
888                 // 0300ff - inbound read from peer id 0 of len 255
889                 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
890                 // 0300ff - inbound read from peer id 0 of len 255
891                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
892                 // 0300ff - inbound read from peer id 0 of len 255
893                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
894                 // 0300ff - inbound read from peer id 0 of len 255
895                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
896                 // 0300ff - inbound read from peer id 0 of len 255
897                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
898                 // 0300c1 - inbound read from peer id 0 of len 193
899                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
900                 //
901                 // - now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
902                 // 030012 - inbound read from peer id 0 of len 18
903                 // 0063 03000000000000000000000000000000 - message header indicating message length 99
904                 // 030073 - inbound read from peer id 0 of len 115
905                 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0800000000000000000000000000000000000000000000000000000000000000 020a00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
906                 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
907                 //
908                 // 030012 - inbound read from peer id 0 of len 18
909                 // 0064 03000000000000000000000000000000 - message header indicating message length 100
910                 // 030074 - inbound read from peer id 0 of len 116
911                 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000c30100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
912                 //
913                 // 030012 - inbound read from peer id 0 of len 18
914                 // 0063 03000000000000000000000000000000 - message header indicating message length 99
915                 // 030073 - inbound read from peer id 0 of len 115
916                 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0b00000000000000000000000000000000000000000000000000000000000000 020d00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
917                 //
918                 // 07 - process the now-pending HTLC forward
919                 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
920                 // - we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
921                 //
922                 // 030112 - inbound read from peer id 1 of len 18
923                 // 0064 01000000000000000000000000000000 - message header indicating message length 100
924                 // 030174 - inbound read from peer id 1 of len 116
925                 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
926                 //
927                 // 030112 - inbound read from peer id 1 of len 18
928                 // 0063 01000000000000000000000000000000 - message header indicating message length 99
929                 // 030173 - inbound read from peer id 1 of len 115
930                 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6400000000000000000000000000000000000000000000000000000000000000 027000000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
931                 //
932                 // 030112 - inbound read from peer id 1 of len 18
933                 // 002c 01000000000000000000000000000000 - message header indicating message length 44
934                 // 03013c - inbound read from peer id 1 of len 60
935                 // 0083 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000 - update_fail_htlc and mac
936                 //
937                 // 030112 - inbound read from peer id 1 of len 18
938                 // 0064 01000000000000000000000000000000 - message header indicating message length 100
939                 // 030174 - inbound read from peer id 1 of len 116
940                 // 0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000 - commitment_signed and mac
941                 //
942                 // 030112 - inbound read from peer id 1 of len 18
943                 // 0063 01000000000000000000000000000000 - message header indicating message length 99
944                 // 030173 - inbound read from peer id 1 of len 115
945                 // 0085 3a00000000000000000000000000000000000000000000000000000000000000 6500000000000000000000000000000000000000000000000000000000000000 027100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000 - revoke_and_ack and mac
946                 //
947                 // 07 - process the now-pending HTLC forward
948                 // - client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
949                 // - now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
950                 //
951                 // 030012 - inbound read from peer id 0 of len 18
952                 // 0063 03000000000000000000000000000000 - message header indicating message length 99
953                 // 030073 - inbound read from peer id 0 of len 115
954                 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0a00000000000000000000000000000000000000000000000000000000000000 020c00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
955                 //
956                 // 030012 - inbound read from peer id 0 of len 18
957                 // 0064 03000000000000000000000000000000 - message header indicating message length 100
958                 // 030074 - inbound read from peer id 0 of len 116
959                 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000320100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000 - commitment_signed and mac
960                 // - client should now respond with revoke_and_ack (CHECK 5 duplicate)
961                 //
962                 // 030012 - inbound read from peer id 0 of len 18
963                 // 05ac 03000000000000000000000000000000 - message header indicating message length 1452
964                 // 0300ff - inbound read from peer id 0 of len 255
965                 // 0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 12 02030927c0 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff - beginning of update_add_htlc from 0 to 1 via client
966                 // 0300ff - inbound read from peer id 0 of len 255
967                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
968                 // 0300ff - inbound read from peer id 0 of len 255
969                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
970                 // 0300ff - inbound read from peer id 0 of len 255
971                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
972                 // 0300ff - inbound read from peer id 0 of len 255
973                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
974                 // 0300c1 - inbound read from peer id 0 of len 193
975                 // ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 5300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - end of update_add_htlc from 0 to 1 via client and mac
976                 //
977                 // 030012 - inbound read from peer id 0 of len 18
978                 // 00a4 03000000000000000000000000000000 - message header indicating message length 164
979                 // 0300b4 - inbound read from peer id 0 of len 180
980                 // 0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000750100000000000000000000000000000000000000000000000000000000000000 0001 00000000000000000000000000000000000000000000000000000000000000670500000000000000000000000000000000000000000000000000000000000006 03000000000000000000000000000000 - commitment_signed and mac
981                 // - client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
982                 //
983                 // 030012 - inbound read from peer id 0 of len 18
984                 // 0063 03000000000000000000000000000000 - message header indicating message length 99
985                 // 030073 - inbound read from peer id 0 of len 115
986                 // 0085 3d00000000000000000000000000000000000000000000000000000000000000 0d00000000000000000000000000000000000000000000000000000000000000 020f00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000 - revoke_and_ack and mac
987                 //
988                 // 07 - process the now-pending HTLC forward
989                 // - client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
990                 //
991                 // 0c007d - connect a block with one transaction of len 125
992                 // 02000000013a000000000000000000000000000000000000000000000000000000000000000000000000000000800258020000000000002200204b0000000000000000000000000000000000000000000000000000000000000014c0000000000000160014280000000000000000000000000000000000000005000020 - the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
993                 //
994                 // 0c005e - connect a block with one transaction of len 94
995                 // 0200000001730000000000000000000000000000000000000000000000000000000000000000000000000000000001a701000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000 - the HTLC timeout transaction
996                 // 0c0000 - connect a block with no transactions
997                 // 0c0000 - connect a block with no transactions
998                 // 0c0000 - connect a block with no transactions
999                 // 0c0000 - connect a block with no transactions
1000                 // 0c0000 - connect a block with no transactions
1001                 //
1002                 // 07 - process the now-pending HTLC forward
1003                 // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
1004
1005                 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1006                 super::do_test(&::hex::decode("01000000000000000000000000000000000000000000000000000000000000000000000001000300000000000000000000000000000000000000000000000000000000000000020300320003000000000000000000000000000000000000000000000000000000000000000203000000000000000000000000000000030012000a0300000000000000000000000000000003001a00100002200000022000030000000000000000000000000000000300120141030000000000000000000000000000000300fe00207500000000000000000000000000000000000000000000000000000000000000ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679000000000000c35000000000000000000000000000000162ffffffffffffffff00000000000002220000000000000000000000fd000601e3030000000000000000000000000000000000000000000000000000000000000001030000000000000000000000000000000000000000000000000000000000000002030000000000000000000000000000000000000000000000000000000000000003030000000000000000000000000000000000000000000000000000000000000004030053030000000000000000000000000000000000000000000000000000000000000005020900000000000000000000000000000000000000000000000000000000000000010300000000000000000000000000000000fd00fd0300120084030000000000000000000000000000000300940022ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb1819096793d00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000c005e020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae00000000000000000000000000000000000000000000000000000000000000000000000c00000c00000c00000c00000c00000c00000c00000c00000c00000c00000c00000c000003001200430300000000000000000000000000000003005300243d0000000000000000000000000000000000000000000000000000000000000002080000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000010301320003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000030142000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000030112000a0100000000000000000000000000000003011a0010000220000002200001000000000000000000000000000000050103020000000000000000000000000000000000000000000000000000000000000000c3500003e800fd0301120110010000000000000000000000000000000301ff00210000000000000000000000000000000000000000000000000000000000000e05000000000000016200000000004c4b4000000000000003e800000000000003e80000000203f00005030000000000000000000000000000000000000000000000000000000000000100030000000000000000000000000000000000000000000000000000000000000200030000000000000000000000000000000000000000000000000000000000000300030000000000000000000000000000000000000000000000000000000000000400030000000000000000000000000000000000000000000000000000000000000500026600000000000000000000000000000301210000000000000000000000000000000000010000000000000000000000000000000a03011200620100000000000000000000000000000003017200233a00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000b03011200430100000000000000000000000000000003015300243a000000000000000000000000000000000000000000000000000000000000000267000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000003001205ac030000000000000000000000000000000300ff00803d0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003e80ff00000000000000000000000000000000000000000000000000000000000000000003f00003000000000000000000000000000000000000000000000000000000000000055511020203e80401a0060800000e00000100000a00000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0300ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0300fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff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1007
1008                 let log_entries = logger.lines.lock().unwrap();
1009                 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
1010                 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
1011                 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
1012                 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
1013                 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
1014                 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
1015                 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
1016                 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
1017                 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
1018                 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
1019         }
1020 }