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