_ 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::blockdata::constants::genesis_block;
  17 use bitcoin::blockdata::transaction::{Transaction, TxOut};
  18 use bitcoin::blockdata::script::{Builder, ScriptBuf};
  19 use bitcoin::blockdata::opcodes;
  20 use bitcoin::blockdata::locktime::absolute::LockTime;
  21 use bitcoin::consensus::encode::deserialize;
  22 use bitcoin::network::constants::Network;
  23
  24 use bitcoin::hashes::hex::FromHex;
  25 use bitcoin::hashes::Hash as _;
  26 use bitcoin::hashes::sha256::Hash as Sha256;
  27 use bitcoin::hashes::sha256d::Hash as Sha256dHash;
  28 use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash};
  29
  30 use lightning::blinded_path::BlindedPath;
  31 use lightning::blinded_path::payment::ReceiveTlvs;
  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::sign::{InMemorySigner, Recipient, KeyMaterial, EntropySource, NodeSigner, SignerProvider};
  38 use lightning::events::Event;
  39 use lightning::ln::{ChannelId, PaymentHash, PaymentPreimage, PaymentSecret};
  40 use lightning::ln::channelmanager::{ChainParameters, ChannelDetails, ChannelManager, PaymentId, RecipientOnionFields, Retry, InterceptId};
  41 use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor,IgnoringMessageHandler};
  42 use lightning::ln::msgs::{self, DecodeError};
  43 use lightning::ln::script::ShutdownScript;
  44 use lightning::ln::functional_test_utils::*;
  45 use lightning::offers::invoice::{BlindedPayInfo, UnsignedBolt12Invoice};
  46 use lightning::offers::invoice_request::UnsignedInvoiceRequest;
  47 use lightning::onion_message::messenger::{Destination, MessageRouter, OnionMessagePath};
  48 use lightning::routing::gossip::{P2PGossipSync, NetworkGraph};
  49 use lightning::routing::utxo::UtxoLookup;
  50 use lightning::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteParameters, Router};
  51 use lightning::util::config::{ChannelConfig, UserConfig};
  52 use lightning::util::errors::APIError;
  53 use lightning::util::test_channel_signer::{TestChannelSigner, EnforcementState};
  54 use lightning::util::logger::Logger;
  55 use lightning::util::ser::{Readable, ReadableArgs, Writeable};
  56
  57 use crate::utils::test_logger;
  58 use crate::utils::test_persister::TestPersister;
  59
  60 use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1, self};
  61 use bitcoin::secp256k1::ecdh::SharedSecret;
  62 use bitcoin::secp256k1::ecdsa::{RecoverableSignature, Signature};
  63 use bitcoin::secp256k1::schnorr;
  64
  65 use std::cell::RefCell;
  66 use hashbrown::{HashMap, hash_map};
  67 use std::convert::TryInto;
  68 use std::cmp;
  69 use std::sync::{Arc, Mutex};
  70 use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
  71 use bitcoin::bech32::u5;
  72
  73 #[inline]
  74 pub fn slice_to_be16(v: &[u8]) -> u16 {
  75         ((v[0] as u16) << 8*1) |
  76         ((v[1] as u16) << 8*0)
  77 }
  78
  79 #[inline]
  80 pub fn be16_to_array(u: u16) -> [u8; 2] {
  81         let mut v = [0; 2];
  82         v[0] = ((u >> 8*1) & 0xff) as u8;
  83         v[1] = ((u >> 8*0) & 0xff) as u8;
  84         v
  85 }
  86
  87 #[inline]
  88 pub fn slice_to_be24(v: &[u8]) -> u32 {
  89         ((v[0] as u32) << 8*2) |
  90         ((v[1] as u32) << 8*1) |
  91         ((v[2] as u32) << 8*0)
  92 }
  93
  94 struct InputData {
  95         data: Vec<u8>,
  96         read_pos: AtomicUsize,
  97 }
  98 impl InputData {
  99         fn get_slice(&self, len: usize) -> Option<&[u8]> {
 100                 let old_pos = self.read_pos.fetch_add(len, Ordering::AcqRel);
 101                 if self.data.len() < old_pos + len {
 102                         return None;
 103                 }
 104                 Some(&self.data[old_pos..old_pos + len])
 105         }
 106 }
 107 impl std::io::Read for &InputData {
 108         fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
 109                 if let Some(sl) = self.get_slice(buf.len()) {
 110                         buf.copy_from_slice(sl);
 111                         Ok(buf.len())
 112                 } else {
 113                         Ok(0)
 114                 }
 115         }
 116 }
 117
 118 struct FuzzEstimator {
 119         input: Arc<InputData>,
 120 }
 121 impl FeeEstimator for FuzzEstimator {
 122         fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
 123                 //TODO: We should actually be testing at least much more than 64k...
 124                 match self.input.get_slice(2) {
 125                         Some(slice) => cmp::max(slice_to_be16(slice) as u32, 253),
 126                         None => 253
 127                 }
 128         }
 129 }
 130
 131 struct FuzzRouter {}
 132
 133 impl Router for FuzzRouter {
 134         fn find_route(
 135                 &self, _payer: &PublicKey, _params: &RouteParameters, _first_hops: Option<&[&ChannelDetails]>,
 136                 _inflight_htlcs: InFlightHtlcs
 137         ) -> Result<Route, msgs::LightningError> {
 138                 Err(msgs::LightningError {
 139                         err: String::from("Not implemented"),
 140                         action: msgs::ErrorAction::IgnoreError
 141                 })
 142         }
 143
 144         fn create_blinded_payment_paths<T: secp256k1::Signing + secp256k1::Verification>(
 145                 &self, _recipient: PublicKey, _first_hops: Vec<ChannelDetails>, _tlvs: ReceiveTlvs,
 146                 _amount_msats: u64, _secp_ctx: &Secp256k1<T>,
 147         ) -> Result<Vec<(BlindedPayInfo, BlindedPath)>, ()> {
 148                 unreachable!()
 149         }
 150 }
 151
 152 impl MessageRouter for FuzzRouter {
 153         fn find_path(
 154                 &self, _sender: PublicKey, _peers: Vec<PublicKey>, _destination: Destination
 155         ) -> Result<OnionMessagePath, ()> {
 156                 unreachable!()
 157         }
 158
 159         fn create_blinded_paths<T: secp256k1::Signing + secp256k1::Verification>(
 160                 &self, _recipient: PublicKey, _peers: Vec<PublicKey>, _secp_ctx: &Secp256k1<T>,
 161         ) -> Result<Vec<BlindedPath>, ()> {
 162                 unreachable!()
 163         }
 164 }
 165
 166 struct TestBroadcaster {
 167         txn_broadcasted: Mutex<Vec<Transaction>>,
 168 }
 169 impl BroadcasterInterface for TestBroadcaster {
 170         fn broadcast_transactions(&self, txs: &[&Transaction]) {
 171                 let owned_txs: Vec<Transaction> = txs.iter().map(|tx| (*tx).clone()).collect();
 172                 self.txn_broadcasted.lock().unwrap().extend(owned_txs);
 173         }
 174 }
 175
 176 #[derive(Clone)]
 177 struct Peer<'a> {
 178         id: u8,
 179         peers_connected: &'a RefCell<[bool; 256]>,
 180 }
 181 impl<'a> SocketDescriptor for Peer<'a> {
 182         fn send_data(&mut self, data: &[u8], _resume_read: bool) -> usize {
 183                 data.len()
 184         }
 185         fn disconnect_socket(&mut self) {
 186                 assert!(self.peers_connected.borrow()[self.id as usize]);
 187                 self.peers_connected.borrow_mut()[self.id as usize] = false;
 188         }
 189 }
 190 impl<'a> PartialEq for Peer<'a> {
 191         fn eq(&self, other: &Self) -> bool {
 192                 self.id == other.id
 193         }
 194 }
 195 impl<'a> Eq for Peer<'a> {}
 196 impl<'a> std::hash::Hash for Peer<'a> {
 197         fn hash<H : std::hash::Hasher>(&self, h: &mut H) {
 198                 self.id.hash(h)
 199         }
 200 }
 201
 202 type ChannelMan<'a> = ChannelManager<
 203         Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
 204         Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<FuzzEstimator>, &'a FuzzRouter, Arc<dyn Logger>>;
 205 type PeerMan<'a> = PeerManager<Peer<'a>, Arc<ChannelMan<'a>>, Arc<P2PGossipSync<Arc<NetworkGraph<Arc<dyn Logger>>>, Arc<dyn UtxoLookup>, Arc<dyn Logger>>>, IgnoringMessageHandler, Arc<dyn Logger>, IgnoringMessageHandler, Arc<KeyProvider>>;
 206
 207 struct MoneyLossDetector<'a> {
 208         manager: Arc<ChannelMan<'a>>,
 209         monitor: Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
 210         handler: PeerMan<'a>,
 211
 212         peers: &'a RefCell<[bool; 256]>,
 213         funding_txn: Vec<Transaction>,
 214         txids_confirmed: HashMap<Txid, usize>,
 215         header_hashes: Vec<(BlockHash, u32)>,
 216         height: usize,
 217         max_height: usize,
 218         blocks_connected: u32,
 219 }
 220 impl<'a> MoneyLossDetector<'a> {
 221         pub fn new(peers: &'a RefCell<[bool; 256]>,
 222                    manager: Arc<ChannelMan<'a>>,
 223                    monitor: Arc<chainmonitor::ChainMonitor<TestChannelSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
 224                    handler: PeerMan<'a>) -> Self {
 225                 MoneyLossDetector {
 226                         manager,
 227                         monitor,
 228                         handler,
 229
 230                         peers,
 231                         funding_txn: Vec::new(),
 232                         txids_confirmed: HashMap::new(),
 233                         header_hashes: vec![(genesis_block(Network::Bitcoin).block_hash(), 0)],
 234                         height: 0,
 235                         max_height: 0,
 236                         blocks_connected: 0,
 237                 }
 238         }
 239
 240         fn connect_block(&mut self, all_txn: &[Transaction]) {
 241                 let mut txdata = Vec::with_capacity(all_txn.len());
 242                 for (idx, tx) in all_txn.iter().enumerate() {
 243                         let txid = tx.txid();
 244                         match self.txids_confirmed.entry(txid) {
 245                                 hash_map::Entry::Vacant(e) => {
 246                                         e.insert(self.height);
 247                                         txdata.push((idx + 1, tx));
 248                                 },
 249                                 _ => {},
 250                         }
 251                 }
 252
 253                 self.blocks_connected += 1;
 254                 let header = create_dummy_header(self.header_hashes[self.height].0, self.blocks_connected);
 255                 self.height += 1;
 256                 self.manager.transactions_confirmed(&header, &txdata, self.height as u32);
 257                 self.manager.best_block_updated(&header, self.height as u32);
 258                 (*self.monitor).transactions_confirmed(&header, &txdata, self.height as u32);
 259                 (*self.monitor).best_block_updated(&header, self.height as u32);
 260                 if self.header_hashes.len() > self.height {
 261                         self.header_hashes[self.height] = (header.block_hash(), self.blocks_connected);
 262                 } else {
 263                         assert_eq!(self.header_hashes.len(), self.height);
 264                         self.header_hashes.push((header.block_hash(), self.blocks_connected));
 265                 }
 266                 self.max_height = cmp::max(self.height, self.max_height);
 267         }
 268
 269         fn disconnect_block(&mut self) {
 270                 if self.height > 0 && (self.max_height < 6 || self.height >= self.max_height - 6) {
 271                         let header = create_dummy_header(self.header_hashes[self.height - 1].0, self.header_hashes[self.height].1);
 272                         self.manager.block_disconnected(&header, self.height as u32);
 273                         self.monitor.block_disconnected(&header, self.height as u32);
 274                         self.height -= 1;
 275                         let removal_height = self.height;
 276                         self.txids_confirmed.retain(|_, height| {
 277                                 removal_height != *height
 278                         });
 279                 }
 280         }
 281 }
 282
 283 impl<'a> Drop for MoneyLossDetector<'a> {
 284         fn drop(&mut self) {
 285                 if !::std::thread::panicking() {
 286                         // Disconnect all peers
 287                         for (idx, peer) in self.peers.borrow().iter().enumerate() {
 288                                 if *peer {
 289                                         self.handler.socket_disconnected(&Peer{id: idx as u8, peers_connected: &self.peers});
 290                                 }
 291                         }
 292
 293                         // Force all channels onto the chain (and time out claim txn)
 294                         self.manager.force_close_all_channels_broadcasting_latest_txn();
 295                 }
 296         }
 297 }
 298
 299 struct KeyProvider {
 300         node_secret: SecretKey,
 301         inbound_payment_key: KeyMaterial,
 302         counter: AtomicU64,
 303         signer_state: RefCell<HashMap<u8, (bool, Arc<Mutex<EnforcementState>>)>>
 304 }
 305
 306 impl EntropySource for KeyProvider {
 307         fn get_secure_random_bytes(&self) -> [u8; 32] {
 308                 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
 309                 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 310                         (ctr >> 8*7) as u8, (ctr >> 8*6) as u8, (ctr >> 8*5) as u8, (ctr >> 8*4) as u8, (ctr >> 8*3) as u8, (ctr >> 8*2) as u8, (ctr >> 8*1) as u8, 14, (ctr >> 8*0) as u8]
 311         }
 312 }
 313
 314 impl NodeSigner for KeyProvider {
 315         fn get_node_id(&self, recipient: Recipient) -> Result<PublicKey, ()> {
 316                 let node_secret = match recipient {
 317                         Recipient::Node => Ok(&self.node_secret),
 318                         Recipient::PhantomNode => Err(())
 319                 }?;
 320                 Ok(PublicKey::from_secret_key(&Secp256k1::signing_only(), node_secret))
 321         }
 322
 323         fn ecdh(&self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&Scalar>) -> Result<SharedSecret, ()> {
 324                 let mut node_secret = match recipient {
 325                         Recipient::Node => Ok(self.node_secret.clone()),
 326                         Recipient::PhantomNode => Err(())
 327                 }?;
 328                 if let Some(tweak) = tweak {
 329                         node_secret = node_secret.mul_tweak(tweak).map_err(|_| ())?;
 330                 }
 331                 Ok(SharedSecret::new(other_key, &node_secret))
 332         }
 333
 334         fn get_inbound_payment_key_material(&self) -> KeyMaterial {
 335                 self.inbound_payment_key.clone()
 336         }
 337
 338         fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
 339                 unreachable!()
 340         }
 341
 342         fn sign_bolt12_invoice_request(
 343                 &self, _invoice_request: &UnsignedInvoiceRequest
 344         ) -> Result<schnorr::Signature, ()> {
 345                 unreachable!()
 346         }
 347
 348         fn sign_bolt12_invoice(
 349                 &self, _invoice: &UnsignedBolt12Invoice,
 350         ) -> Result<schnorr::Signature, ()> {
 351                 unreachable!()
 352         }
 353
 354         fn sign_gossip_message(&self, msg: lightning::ln::msgs::UnsignedGossipMessage) -> Result<Signature, ()> {
 355                 let msg_hash = Message::from_slice(&Sha256dHash::hash(&msg.encode()[..])[..]).map_err(|_| ())?;
 356                 let secp_ctx = Secp256k1::signing_only();
 357                 Ok(secp_ctx.sign_ecdsa(&msg_hash, &self.node_secret))
 358         }
 359 }
 360
 361 impl SignerProvider for KeyProvider {
 362         type EcdsaSigner = TestChannelSigner;
 363         #[cfg(taproot)]
 364         type TaprootSigner = TestChannelSigner;
 365
 366         fn generate_channel_keys_id(&self, inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128) -> [u8; 32] {
 367                 let ctr = self.counter.fetch_add(1, Ordering::Relaxed) as u8;
 368                 self.signer_state.borrow_mut().insert(ctr, (inbound, Arc::new(Mutex::new(EnforcementState::new()))));
 369                 [ctr; 32]
 370         }
 371
 372         fn derive_channel_signer(&self, channel_value_satoshis: u64, channel_keys_id: [u8; 32]) -> Self::EcdsaSigner {
 373                 let secp_ctx = Secp256k1::signing_only();
 374                 let ctr = channel_keys_id[0];
 375                 let (inbound, state) = self.signer_state.borrow().get(&ctr).unwrap().clone();
 376                 TestChannelSigner::new_with_revoked(if inbound {
 377                         InMemorySigner::new(
 378                                 &secp_ctx,
 379                                 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, ctr]).unwrap(),
 380                                 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, ctr]).unwrap(),
 381                                 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(),
 382                                 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, ctr]).unwrap(),
 383                                 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, ctr]).unwrap(),
 384                                 [0, 0, 0, 0, 0, 0, 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],
 385                                 channel_value_satoshis,
 386                                 channel_keys_id,
 387                                 channel_keys_id,
 388                         )
 389                 } else {
 390                         InMemorySigner::new(
 391                                 &secp_ctx,
 392                                 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, ctr]).unwrap(),
 393                                 SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, ctr]).unwrap(),
 394                                 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(),
 395                                 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(),
 396                                 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(),
 397                                 [0, 0, 0, 0, 0, 0, 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],
 398                                 channel_value_satoshis,
 399                                 channel_keys_id,
 400                                 channel_keys_id,
 401                         )
 402                 }, state, false)
 403         }
 404
 405         fn read_chan_signer(&self, mut data: &[u8]) -> Result<TestChannelSigner, DecodeError> {
 406                 let inner: InMemorySigner = ReadableArgs::read(&mut data, self)?;
 407                 let state = Arc::new(Mutex::new(EnforcementState::new()));
 408
 409                 Ok(TestChannelSigner::new_with_revoked(
 410                         inner,
 411                         state,
 412                         false
 413                 ))
 414         }
 415
 416         fn get_destination_script(&self, _channel_keys_id: [u8; 32]) -> Result<ScriptBuf, ()> {
 417                 let secp_ctx = Secp256k1::signing_only();
 418                 let channel_monitor_claim_key = SecretKey::from_slice(&<Vec<u8>>::from_hex("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap();
 419                 let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
 420                 Ok(Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(our_channel_monitor_claim_key_hash).into_script())
 421         }
 422
 423         fn get_shutdown_scriptpubkey(&self) -> Result<ShutdownScript, ()> {
 424                 let secp_ctx = Secp256k1::signing_only();
 425                 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();
 426                 let pubkey_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &secret_key).serialize());
 427                 Ok(ShutdownScript::new_p2wpkh(&pubkey_hash))
 428         }
 429 }
 430
 431 #[inline]
 432 pub fn do_test(mut data: &[u8], logger: &Arc<dyn Logger>) {
 433         if data.len() < 32 { return; }
 434
 435         let our_network_key = match SecretKey::from_slice(&data[..32]) {
 436                 Ok(key) => key,
 437                 Err(_) => return,
 438         };
 439         data = &data[32..];
 440
 441         let config: UserConfig = if let Ok(config) = Readable::read(&mut data) { config } else { return; };
 442
 443         let input = Arc::new(InputData {
 444                 data: data.to_vec(),
 445                 read_pos: AtomicUsize::new(0),
 446         });
 447         let fee_est = Arc::new(FuzzEstimator {
 448                 input: input.clone(),
 449         });
 450         let router = FuzzRouter {};
 451
 452         macro_rules! get_slice {
 453                 ($len: expr) => {
 454                         match input.get_slice($len as usize) {
 455                                 Some(slice) => slice,
 456                                 None => return,
 457                         }
 458                 }
 459         }
 460
 461         macro_rules! get_bytes {
 462                 ($len: expr) => { {
 463                         let mut res = [0; $len];
 464                         match input.get_slice($len as usize) {
 465                                 Some(slice) => res.copy_from_slice(slice),
 466                                 None => return,
 467                         }
 468                         res
 469                 } }
 470         }
 471
 472         macro_rules! get_pubkey {
 473                 () => {
 474                         match PublicKey::from_slice(get_slice!(33)) {
 475                                 Ok(key) => key,
 476                                 Err(_) => return,
 477                         }
 478                 }
 479         }
 480
 481
 482         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];
 483
 484         let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
 485         let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(),
 486                 Arc::new(TestPersister { update_ret: Mutex::new(ChannelMonitorUpdateStatus::Completed) })));
 487
 488         let keys_manager = Arc::new(KeyProvider {
 489                 node_secret: our_network_key.clone(),
 490                 inbound_payment_key: KeyMaterial(inbound_payment_key.try_into().unwrap()),
 491                 counter: AtomicU64::new(0),
 492                 signer_state: RefCell::new(HashMap::new())
 493         });
 494         let network = Network::Bitcoin;
 495         let best_block_timestamp = genesis_block(network).header.time;
 496         let params = ChainParameters {
 497                 network,
 498                 best_block: BestBlock::from_network(network),
 499         };
 500         let channelmanager = Arc::new(ChannelManager::new(fee_est.clone(), monitor.clone(), broadcast.clone(), &router, Arc::clone(&logger), keys_manager.clone(), keys_manager.clone(), keys_manager.clone(), config, params, best_block_timestamp));
 501         // Adding new calls to `EntropySource::get_secure_random_bytes` during startup can change all the
 502         // keys subsequently generated in this test. Rather than regenerating all the messages manually,
 503         // it's easier to just increment the counter here so the keys don't change.
 504         keys_manager.counter.fetch_sub(3, Ordering::AcqRel);
 505         let network_graph = Arc::new(NetworkGraph::new(network, Arc::clone(&logger)));
 506         let gossip_sync = Arc::new(P2PGossipSync::new(Arc::clone(&network_graph), None, Arc::clone(&logger)));
 507
 508         let peers = RefCell::new([false; 256]);
 509         let mut loss_detector = MoneyLossDetector::new(&peers, channelmanager.clone(), monitor.clone(), PeerManager::new(MessageHandler {
 510                 chan_handler: channelmanager.clone(),
 511                 route_handler: gossip_sync.clone(),
 512                 onion_message_handler: IgnoringMessageHandler {},
 513                 custom_message_handler: IgnoringMessageHandler {},
 514         }, 0, &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 0], Arc::clone(&logger), keys_manager.clone()));
 515
 516         let mut should_forward = false;
 517         let mut payments_received: Vec<PaymentHash> = Vec::new();
 518         let mut intercepted_htlcs: Vec<InterceptId> = Vec::new();
 519         let mut payments_sent: u16 = 0;
 520         let mut pending_funding_generation: Vec<(ChannelId, PublicKey, u64, ScriptBuf)> = Vec::new();
 521         let mut pending_funding_signatures = HashMap::new();
 522
 523         loop {
 524                 match get_slice!(1)[0] {
 525                         0 => {
 526                                 let mut new_id = 0;
 527                                 for i in 1..256 {
 528                                         if !peers.borrow()[i-1] {
 529                                                 new_id = i;
 530                                                 break;
 531                                         }
 532                                 }
 533                                 if new_id == 0 { return; }
 534                                 loss_detector.handler.new_outbound_connection(get_pubkey!(), Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
 535                                 peers.borrow_mut()[new_id - 1] = true;
 536                         },
 537                         1 => {
 538                                 let mut new_id = 0;
 539                                 for i in 1..256 {
 540                                         if !peers.borrow()[i-1] {
 541                                                 new_id = i;
 542                                                 break;
 543                                         }
 544                                 }
 545                                 if new_id == 0 { return; }
 546                                 loss_detector.handler.new_inbound_connection(Peer{id: (new_id - 1) as u8, peers_connected: &peers}, None).unwrap();
 547                                 peers.borrow_mut()[new_id - 1] = true;
 548                         },
 549                         2 => {
 550                                 let peer_id = get_slice!(1)[0];
 551                                 if !peers.borrow()[peer_id as usize] { return; }
 552                                 loss_detector.handler.socket_disconnected(&Peer{id: peer_id, peers_connected: &peers});
 553                                 peers.borrow_mut()[peer_id as usize] = false;
 554                         },
 555                         3 => {
 556                                 let peer_id = get_slice!(1)[0];
 557                                 if !peers.borrow()[peer_id as usize] { return; }
 558                                 match loss_detector.handler.read_event(&mut Peer{id: peer_id, peers_connected: &peers}, get_slice!(get_slice!(1)[0])) {
 559                                         Ok(res) => assert!(!res),
 560                                         Err(_) => { peers.borrow_mut()[peer_id as usize] = false; }
 561                                 }
 562                         },
 563                         4 => {
 564                                 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
 565                                 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
 566                                 let params = RouteParameters::from_payment_params_and_value(
 567                                         payment_params, final_value_msat);
 568                                 let mut payment_hash = PaymentHash([0; 32]);
 569                                 payment_hash.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
 570                                 payment_hash.0 = Sha256::hash(&payment_hash.0[..]).to_byte_array();
 571                                 payments_sent += 1;
 572                                 let _ = channelmanager.send_payment(
 573                                         payment_hash, RecipientOnionFields::spontaneous_empty(),
 574                                         PaymentId(payment_hash.0), params, Retry::Attempts(2)
 575                                 );
 576                         },
 577                         15 => {
 578                                 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
 579                                 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
 580                                 let params = RouteParameters::from_payment_params_and_value(
 581                                         payment_params, final_value_msat);
 582                                 let mut payment_hash = PaymentHash([0; 32]);
 583                                 payment_hash.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
 584                                 payment_hash.0 = Sha256::hash(&payment_hash.0[..]).to_byte_array();
 585                                 payments_sent += 1;
 586                                 let mut payment_secret = PaymentSecret([0; 32]);
 587                                 payment_secret.0[0..2].copy_from_slice(&be16_to_array(payments_sent));
 588                                 payments_sent += 1;
 589                                 let _ = channelmanager.send_payment(
 590                                         payment_hash, RecipientOnionFields::secret_only(payment_secret),
 591                                         PaymentId(payment_hash.0), params, Retry::Attempts(2)
 592                                 );
 593                         },
 594                         17 => {
 595                                 let final_value_msat = slice_to_be24(get_slice!(3)) as u64;
 596                                 let payment_params = PaymentParameters::from_node_id(get_pubkey!(), 42);
 597                                 let params = RouteParameters::from_payment_params_and_value(
 598                                         payment_params, final_value_msat);
 599                                 let _ = channelmanager.send_preflight_probes(params, None);
 600                         },
 601                         18 => {
 602                                 let idx = u16::from_be_bytes(get_bytes!(2)) % cmp::max(payments_sent, 1);
 603                                 let mut payment_id = PaymentId([0; 32]);
 604                                 payment_id.0[0..2].copy_from_slice(&idx.to_be_bytes());
 605                                 channelmanager.abandon_payment(payment_id);
 606                         },
 607                         5 => {
 608                                 let peer_id = get_slice!(1)[0];
 609                                 if !peers.borrow()[peer_id as usize] { return; }
 610                                 let their_key = get_pubkey!();
 611                                 let chan_value = slice_to_be24(get_slice!(3)) as u64;
 612                                 let push_msat_value = slice_to_be24(get_slice!(3)) as u64;
 613                                 if channelmanager.create_channel(their_key, chan_value, push_msat_value, 0, None, None).is_err() { return; }
 614                         },
 615                         6 => {
 616                                 let mut channels = channelmanager.list_channels();
 617                                 let channel_id = get_slice!(1)[0] as usize;
 618                                 if channel_id >= channels.len() { return; }
 619                                 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
 620                                 if channelmanager.close_channel(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).is_err() { return; }
 621                         },
 622                         7 => {
 623                                 if should_forward {
 624                                         channelmanager.process_pending_htlc_forwards();
 625                                         should_forward = false;
 626                                 }
 627                         },
 628                         8 => {
 629                                 for payment in payments_received.drain(..) {
 630                                         // SHA256 is defined as XOR of all input bytes placed in the first byte, and 0s
 631                                         // for the remaining bytes. Thus, if not all remaining bytes are 0s we cannot
 632                                         // fulfill this HTLC, but if they are, we can just take the first byte and
 633                                         // place that anywhere in our preimage.
 634                                         if &payment.0[1..] != &[0; 31] {
 635                                                 channelmanager.fail_htlc_backwards(&payment);
 636                                         } else {
 637                                                 let mut payment_preimage = PaymentPreimage([0; 32]);
 638                                                 payment_preimage.0[0] = payment.0[0];
 639                                                 channelmanager.claim_funds(payment_preimage);
 640                                         }
 641                                 }
 642                         },
 643                         16 => {
 644                                 let payment_preimage = PaymentPreimage(keys_manager.get_secure_random_bytes());
 645                                 let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0[..]).to_byte_array());
 646                                 // Note that this may fail - our hashes may collide and we'll end up trying to
 647                                 // double-register the same payment_hash.
 648                                 let _ = channelmanager.create_inbound_payment_for_hash(payment_hash, None, 1, None);
 649                         },
 650                         9 => {
 651                                 for payment in payments_received.drain(..) {
 652                                         channelmanager.fail_htlc_backwards(&payment);
 653                                 }
 654                         },
 655                         10 => {
 656                                 let mut tx = Transaction { version: 0, lock_time: LockTime::ZERO, input: Vec::new(), output: Vec::new() };
 657                                 let mut channels = Vec::new();
 658                                 for funding_generation in pending_funding_generation.drain(..) {
 659                                         let txout = TxOut {
 660                                                 value: funding_generation.2, script_pubkey: funding_generation.3,
 661                                         };
 662                                         if !tx.output.contains(&txout) {
 663                                                 tx.output.push(txout);
 664                                                 channels.push((funding_generation.0, funding_generation.1));
 665                                         }
 666                                 }
 667                                 // Once we switch to V2 channel opens we should be able to drop this entirely as
 668                                 // channel_ids no longer change when we set the funding tx.
 669                                 'search_loop: loop {
 670                                         if tx.version > 0xff {
 671                                                 break;
 672                                         }
 673                                         let funding_txid = tx.txid();
 674                                         if loss_detector.txids_confirmed.get(&funding_txid).is_none() {
 675                                                 let outpoint = OutPoint { txid: funding_txid, index: 0 };
 676                                                 for chan in channelmanager.list_channels() {
 677                                                         if chan.channel_id == ChannelId::v1_from_funding_outpoint(outpoint) {
 678                                                                 tx.version += 1;
 679                                                                 continue 'search_loop;
 680                                                         }
 681                                                 }
 682                                                 break;
 683                                         }
 684                                         tx.version += 1;
 685                                 }
 686                                 if tx.version <= 0xff && !channels.is_empty() {
 687                                         let chans = channels.iter().map(|(a, b)| (a, b)).collect::<Vec<_>>();
 688                                         if let Err(e) = channelmanager.batch_funding_transaction_generated(&chans, tx.clone()) {
 689                                                 // It's possible the channel has been closed in the mean time, but any other
 690                                                 // failure may be a bug.
 691                                                 if let APIError::ChannelUnavailable { .. } = e { } else { panic!(); }
 692                                         }
 693                                         let funding_txid = tx.txid();
 694                                         for idx in 0..tx.output.len() {
 695                                                 let outpoint = OutPoint { txid: funding_txid, index: idx as u16 };
 696                                                 pending_funding_signatures.insert(outpoint, tx.clone());
 697                                         }
 698                                 }
 699                         },
 700                         11 => {
 701                                 let mut txn = broadcast.txn_broadcasted.lock().unwrap().split_off(0);
 702                                 if !txn.is_empty() {
 703                                         loss_detector.connect_block(&txn[..]);
 704                                         for _ in 2..100 {
 705                                                 loss_detector.connect_block(&[]);
 706                                         }
 707                                 }
 708                                 for tx in txn.drain(..) {
 709                                         loss_detector.funding_txn.push(tx);
 710                                 }
 711                         },
 712                         12 => {
 713                                 let txlen = u16::from_be_bytes(get_bytes!(2));
 714                                 if txlen == 0 {
 715                                         loss_detector.connect_block(&[]);
 716                                 } else {
 717                                         let txres: Result<Transaction, _> = deserialize(get_slice!(txlen));
 718                                         if let Ok(tx) = txres {
 719                                                 let mut output_val = 0;
 720                                                 for out in tx.output.iter() {
 721                                                         if out.value > 21_000_000_0000_0000 { return; }
 722                                                         output_val += out.value;
 723                                                         if output_val > 21_000_000_0000_0000 { return; }
 724                                                 }
 725                                                 loss_detector.connect_block(&[tx]);
 726                                         } else {
 727                                                 return;
 728                                         }
 729                                 }
 730                         },
 731                         13 => {
 732                                 loss_detector.disconnect_block();
 733                         },
 734                         14 => {
 735                                 let mut channels = channelmanager.list_channels();
 736                                 let channel_id = get_slice!(1)[0] as usize;
 737                                 if channel_id >= channels.len() { return; }
 738                                 channels.sort_by(|a, b| { a.channel_id.cmp(&b.channel_id) });
 739                                 channelmanager.force_close_broadcasting_latest_txn(&channels[channel_id].channel_id, &channels[channel_id].counterparty.node_id).unwrap();
 740                         },
 741                         // 15, 16, 17, 18 is above
 742                         19 => {
 743                                 let mut list = loss_detector.handler.get_peer_node_ids();
 744                                 list.sort_by_key(|v| v.0);
 745                                 if let Some((id, _)) = list.get(0) {
 746                                         loss_detector.handler.disconnect_by_node_id(*id);
 747                                 }
 748                         },
 749                         20 => loss_detector.handler.disconnect_all_peers(),
 750                         21 => loss_detector.handler.timer_tick_occurred(),
 751                         22 =>
 752                                 loss_detector.handler.broadcast_node_announcement([42; 3], [43; 32], Vec::new()),
 753                         32 => channelmanager.timer_tick_occurred(),
 754                         33 => {
 755                                 for id in intercepted_htlcs.drain(..) {
 756                                         channelmanager.fail_intercepted_htlc(id).unwrap();
 757                                 }
 758                         }
 759                         34 => {
 760                                 let amt = u64::from_be_bytes(get_bytes!(8));
 761                                 let chans = channelmanager.list_channels();
 762                                 for id in intercepted_htlcs.drain(..) {
 763                                         if chans.is_empty() {
 764                                                 channelmanager.fail_intercepted_htlc(id).unwrap();
 765                                         } else {
 766                                                 let chan = &chans[amt as usize % chans.len()];
 767                                                 channelmanager.forward_intercepted_htlc(id, &chan.channel_id, chan.counterparty.node_id, amt).unwrap();
 768                                         }
 769                                 }
 770                         }
 771                         35 => {
 772                                 let config: ChannelConfig =
 773                                         if let Ok(c) = Readable::read(&mut &*input) { c } else { return; };
 774                                 let chans = channelmanager.list_channels();
 775                                 if let Some(chan) = chans.get(0) {
 776                                         let _ = channelmanager.update_channel_config(
 777                                                 &chan.counterparty.node_id, &[chan.channel_id], &config
 778                                         );
 779                                 }
 780                         }
 781                         _ => return,
 782                 }
 783                 loss_detector.handler.process_events();
 784                 for event in loss_detector.manager.get_and_clear_pending_events() {
 785                         match event {
 786                                 Event::FundingGenerationReady { temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script, .. } => {
 787                                         pending_funding_generation.push((temporary_channel_id, counterparty_node_id, channel_value_satoshis, output_script));
 788                                 },
 789                                 Event::PaymentClaimable { payment_hash, .. } => {
 790                                         //TODO: enhance by fetching random amounts from fuzz input?
 791                                         payments_received.push(payment_hash);
 792                                 },
 793                                 Event::PendingHTLCsForwardable {..} => {
 794                                         should_forward = true;
 795                                 },
 796                                 Event::HTLCIntercepted { intercept_id, .. } => {
 797                                         if !intercepted_htlcs.contains(&intercept_id) {
 798                                                 intercepted_htlcs.push(intercept_id);
 799                                         }
 800                                 },
 801                                 _ => {},
 802                         }
 803                 }
 804         }
 805 }
 806
 807 pub fn full_stack_test<Out: test_logger::Output>(data: &[u8], out: Out) {
 808         let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), out));
 809         do_test(data, &logger);
 810 }
 811
 812 #[no_mangle]
 813 pub extern "C" fn full_stack_run(data: *const u8, datalen: usize) {
 814         let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {}));
 815         do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
 816 }
 817
 818 #[cfg(test)]
 819 mod tests {
 820         use bitcoin::hashes::hex::FromHex;
 821         use lightning::util::logger::{Logger, Record};
 822         use std::collections::HashMap;
 823         use std::sync::{Arc, Mutex};
 824
 825         struct TrackingLogger {
 826                 /// (module, message) -> count
 827                 pub lines: Mutex<HashMap<(String, String), usize>>,
 828         }
 829         impl Logger for TrackingLogger {
 830                 fn log(&self, record: Record) {
 831                         *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
 832                         println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
 833                 }
 834         }
 835
 836         fn ext_from_hex(hex_with_spaces: &str, out: &mut Vec<u8>) {
 837                 for hex in hex_with_spaces.split(" ") {
 838                         out.append(&mut <Vec<u8>>::from_hex(hex).unwrap());
 839                 }
 840         }
 841
 842         #[test]
 843         fn test_no_existing_test_breakage() {
 844                 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
 845                 // changes (such as requesting feerate info in a new place), we run a pretty full
 846                 // step-through with two peers and HTLC forwarding here. Obviously this is pretty finicky,
 847                 // so this should be updated pretty liberally, but at least we'll know when changes occur.
 848                 // If nothing else, this test serves as a pretty great initial full_stack_target seed.
 849
 850                 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
 851                 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
 852                 // of the Lightning message
 853                 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
 854                 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
 855
 856                 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
 857
 858                 let mut test = Vec::new();
 859                 // our network key
 860                 ext_from_hex("0100000000000000000000000000000000000000000000000000000000000000", &mut test);
 861                 // config
 862                 ext_from_hex("0000000000900000000000000000640001000000000001ffff0000000000000000ffffffffffffffffffffffffffffffff0000000000000000ffffffffffffffff000000ffffffff00ffff1a000400010000020400000000040200000a08ffffffffffffffff0001000000", &mut test);
 863
 864                 // new outbound connection with id 0
 865                 ext_from_hex("00", &mut test);
 866                 // peer's pubkey
 867                 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000002", &mut test);
 868                 // inbound read from peer id 0 of len 50
 869                 ext_from_hex("030032", &mut test);
 870                 // noise act two (0||pubkey||mac)
 871                 ext_from_hex("00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000", &mut test);
 872
 873                 // inbound read from peer id 0 of len 18
 874                 ext_from_hex("030012", &mut test);
 875                 // message header indicating message length 16
 876                 ext_from_hex("0010 03000000000000000000000000000000", &mut test);
 877                 // inbound read from peer id 0 of len 32
 878                 ext_from_hex("030020", &mut test);
 879                 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
 880                 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 03000000000000000000000000000000", &mut test);
 881
 882                 // inbound read from peer id 0 of len 18
 883                 ext_from_hex("030012", &mut test);
 884                 // message header indicating message length 327
 885                 ext_from_hex("0147 03000000000000000000000000000000", &mut test);
 886                 // inbound read from peer id 0 of len 254
 887                 ext_from_hex("0300fe", &mut test);
 888                 // beginning of open_channel message
 889                 ext_from_hex("0020 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000162 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004", &mut test);
 890                 // inbound read from peer id 0 of len 89
 891                 ext_from_hex("030059", &mut test);
 892                 // rest of open_channel and mac
 893                 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 0000 01021000 03000000000000000000000000000000", &mut test);
 894
 895                 // One feerate request returning min feerate, which our open_channel also uses (ingested by FuzzEstimator)
 896                 ext_from_hex("00fd", &mut test);
 897                 // client should now respond with accept_channel (CHECK 1: type 33 to peer 03000000)
 898
 899                 // inbound read from peer id 0 of len 18
 900                 ext_from_hex("030012", &mut test);
 901                 // message header indicating message length 132
 902                 ext_from_hex("0084 03000000000000000000000000000000", &mut test);
 903                 // inbound read from peer id 0 of len 148
 904                 ext_from_hex("030094", &mut test);
 905                 // funding_created and mac
 906                 ext_from_hex("0022 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 3d00000000000000000000000000000000000000000000000000000000000000 0000 00000000000000000000000000000000000000000000000000000000000000210100000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
 907                 // client should now respond with funding_signed (CHECK 2: type 35 to peer 03000000)
 908
 909                 // connect a block with one transaction of len 94
 910                 ext_from_hex("0c005e", &mut test);
 911                 // the funding transaction
 912                 ext_from_hex("020000000100000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0150c3000000000000220020ae0000000000000000000000000000000000000000000000000000000000000000000000", &mut test);
 913                 // connect a block with no transactions, one per line
 914                 ext_from_hex("0c0000", &mut test);
 915                 ext_from_hex("0c0000", &mut test);
 916                 ext_from_hex("0c0000", &mut test);
 917                 ext_from_hex("0c0000", &mut test);
 918                 ext_from_hex("0c0000", &mut test);
 919                 ext_from_hex("0c0000", &mut test);
 920                 ext_from_hex("0c0000", &mut test);
 921                 ext_from_hex("0c0000", &mut test);
 922                 ext_from_hex("0c0000", &mut test);
 923                 ext_from_hex("0c0000", &mut test);
 924                 ext_from_hex("0c0000", &mut test);
 925                 ext_from_hex("0c0000", &mut test);
 926                 // by now client should have sent a channel_ready (CHECK 3: SendChannelReady to 03000000 for chan 3d000000)
 927
 928                 // inbound read from peer id 0 of len 18
 929                 ext_from_hex("030012", &mut test);
 930                 // message header indicating message length 67
 931                 ext_from_hex("0043 03000000000000000000000000000000", &mut test);
 932                 // inbound read from peer id 0 of len 83
 933                 ext_from_hex("030053", &mut test);
 934                 // channel_ready and mac
 935                 ext_from_hex("0024 3d00000000000000000000000000000000000000000000000000000000000000 020800000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
 936
 937                 // new inbound connection with id 1
 938                 ext_from_hex("01", &mut test);
 939                 // inbound read from peer id 1 of len 50
 940                 ext_from_hex("030132", &mut test);
 941                 // inbound noise act 1
 942                 ext_from_hex("0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000", &mut test);
 943                 // inbound read from peer id 1 of len 66
 944                 ext_from_hex("030142", &mut test);
 945                 // inbound noise act 3
 946                 ext_from_hex("000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000", &mut test);
 947
 948                 // inbound read from peer id 1 of len 18
 949                 ext_from_hex("030112", &mut test);
 950                 // message header indicating message length 16
 951                 ext_from_hex("0010 01000000000000000000000000000000", &mut test);
 952                 // inbound read from peer id 1 of len 32
 953                 ext_from_hex("030120", &mut test);
 954                 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
 955                 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 01000000000000000000000000000000", &mut test);
 956
 957                 // create outbound channel to peer 1 for 50k sat
 958                 ext_from_hex("05 01 030200000000000000000000000000000000000000000000000000000000000000 00c350 0003e8", &mut test);
 959                 // One feerate requests (all returning min feerate) (gonna be ingested by FuzzEstimator)
 960                 ext_from_hex("00fd", &mut test);
 961
 962                 // inbound read from peer id 1 of len 18
 963                 ext_from_hex("030112", &mut test);
 964                 // message header indicating message length 274
 965                 ext_from_hex("0112 01000000000000000000000000000000", &mut test);
 966                 // inbound read from peer id 1 of len 255
 967                 ext_from_hex("0301ff", &mut test);
 968                 // beginning of accept_channel
 969                 ext_from_hex("0021 0000000000000000000000000000000000000000000000000000000000000e05 0000000000000162 00000000004c4b40 00000000000003e8 00000000000003e8 00000002 03f0 0005 030000000000000000000000000000000000000000000000000000000000000100 030000000000000000000000000000000000000000000000000000000000000200 030000000000000000000000000000000000000000000000000000000000000300 030000000000000000000000000000000000000000000000000000000000000400 030000000000000000000000000000000000000000000000000000000000000500 02660000000000000000000000000000", &mut test);
 970                 // inbound read from peer id 1 of len 35
 971                 ext_from_hex("030123", &mut test);
 972                 // rest of accept_channel and mac
 973                 ext_from_hex("0000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
 974
 975                 // create the funding transaction (client should send funding_created now)
 976                 ext_from_hex("0a", &mut test);
 977
 978                 // inbound read from peer id 1 of len 18
 979                 ext_from_hex("030112", &mut test);
 980                 // message header indicating message length 98
 981                 ext_from_hex("0062 01000000000000000000000000000000", &mut test);
 982                 // inbound read from peer id 1 of len 114
 983                 ext_from_hex("030172", &mut test);
 984                 // funding_signed message and mac
 985                 ext_from_hex("0023 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000007c0001000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
 986
 987                 // broadcast funding transaction
 988                 ext_from_hex("0b", &mut test);
 989                 // by now client should have sent a channel_ready (CHECK 4: SendChannelReady to 03020000 for chan 3f000000)
 990
 991                 // inbound read from peer id 1 of len 18
 992                 ext_from_hex("030112", &mut test);
 993                 // message header indicating message length 67
 994                 ext_from_hex("0043 01000000000000000000000000000000", &mut test);
 995                 // inbound read from peer id 1 of len 83
 996                 ext_from_hex("030153", &mut test);
 997                 // channel_ready and mac
 998                 ext_from_hex("0024 3a00000000000000000000000000000000000000000000000000000000000000 026700000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
 999
1000                 // inbound read from peer id 0 of len 18
1001                 ext_from_hex("030012", &mut test);
1002                 // message header indicating message length 1452
1003                 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1004                 // inbound read from peer id 0 of len 255
1005                 ext_from_hex("0300ff", &mut test);
1006                 // beginning of update_add_htlc from 0 to 1 via client
1007                 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000000 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1008                 // inbound read from peer id 0 of len 255
1009                 ext_from_hex("0300ff", &mut test);
1010                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1011                 // inbound read from peer id 0 of len 255
1012                 ext_from_hex("0300ff", &mut test);
1013                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1014                 // inbound read from peer id 0 of len 255
1015                 ext_from_hex("0300ff", &mut test);
1016                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1017                 // inbound read from peer id 0 of len 255
1018                 ext_from_hex("0300ff", &mut test);
1019                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1020                 // inbound read from peer id 0 of len 193
1021                 ext_from_hex("0300c1", &mut test);
1022                 // end of update_add_htlc from 0 to 1 via client and mac
1023                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1024
1025                 // inbound read from peer id 0 of len 18
1026                 ext_from_hex("030012", &mut test);
1027                 // message header indicating message length 100
1028                 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1029                 // inbound read from peer id 0 of len 116
1030                 ext_from_hex("030074", &mut test);
1031                 // commitment_signed and mac
1032                 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000300100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1033                 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6: types 133 and 132 to peer 03000000)
1034
1035                 // inbound read from peer id 0 of len 18
1036                 ext_from_hex("030012", &mut test);
1037                 // message header indicating message length 99
1038                 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1039                 // inbound read from peer id 0 of len 115
1040                 ext_from_hex("030073", &mut test);
1041                 // revoke_and_ack and mac
1042                 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0900000000000000000000000000000000000000000000000000000000000000 020b00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1043
1044                 // process the now-pending HTLC forward
1045                 ext_from_hex("07", &mut test);
1046                 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7: UpdateHTLCs event for node 03020000 with 1 HTLCs for channel 3f000000)
1047
1048                 // we respond with commitment_signed then revoke_and_ack (a weird, but valid, order)
1049                 // inbound read from peer id 1 of len 18
1050                 ext_from_hex("030112", &mut test);
1051                 // message header indicating message length 100
1052                 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1053                 // inbound read from peer id 1 of len 116
1054                 ext_from_hex("030174", &mut test);
1055                 // commitment_signed and mac
1056                 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000006a0001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1057                 //
1058                 // inbound read from peer id 1 of len 18
1059                 ext_from_hex("030112", &mut test);
1060                 // message header indicating message length 99
1061                 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1062                 // inbound read from peer id 1 of len 115
1063                 ext_from_hex("030173", &mut test);
1064                 // revoke_and_ack and mac
1065                 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6600000000000000000000000000000000000000000000000000000000000000 026400000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1066                 //
1067                 // inbound read from peer id 1 of len 18
1068                 ext_from_hex("030112", &mut test);
1069                 // message header indicating message length 74
1070                 ext_from_hex("004a 01000000000000000000000000000000", &mut test);
1071                 // inbound read from peer id 1 of len 90
1072                 ext_from_hex("03015a", &mut test);
1073                 // update_fulfill_htlc and mac
1074                 ext_from_hex("0082 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000000 ff00888888888888888888888888888888888888888888888888888888888888 01000000000000000000000000000000", &mut test);
1075                 // client should immediately claim the pending HTLC from peer 0 (CHECK 8: SendFulfillHTLCs for node 03000000 with preimage ff00888888 for channel 3d000000)
1076
1077                 // inbound read from peer id 1 of len 18
1078                 ext_from_hex("030112", &mut test);
1079                 // message header indicating message length 100
1080                 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1081                 // inbound read from peer id 1 of len 116
1082                 ext_from_hex("030174", &mut test);
1083                 // commitment_signed and mac
1084                 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000100001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1085
1086                 // inbound read from peer id 1 of len 18
1087                 ext_from_hex("030112", &mut test);
1088                 // message header indicating message length 99
1089                 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1090                 // inbound read from peer id 1 of len 115
1091                 ext_from_hex("030173", &mut test);
1092                 // revoke_and_ack and mac
1093                 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6700000000000000000000000000000000000000000000000000000000000000 026500000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1094
1095                 // before responding to the commitment_signed generated above, send a new HTLC
1096                 // inbound read from peer id 0 of len 18
1097                 ext_from_hex("030012", &mut test);
1098                 // message header indicating message length 1452
1099                 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1100                 // inbound read from peer id 0 of len 255
1101                 ext_from_hex("0300ff", &mut test);
1102                 // beginning of update_add_htlc from 0 to 1 via client
1103                 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000000000003e80 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 11 020203e8 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1104                 // inbound read from peer id 0 of len 255
1105                 ext_from_hex("0300ff", &mut test);
1106                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1107                 // inbound read from peer id 0 of len 255
1108                 ext_from_hex("0300ff", &mut test);
1109                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1110                 // inbound read from peer id 0 of len 255
1111                 ext_from_hex("0300ff", &mut test);
1112                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1113                 // inbound read from peer id 0 of len 255
1114                 ext_from_hex("0300ff", &mut test);
1115                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1116                 // inbound read from peer id 0 of len 193
1117                 ext_from_hex("0300c1", &mut test);
1118                 // end of update_add_htlc from 0 to 1 via client and mac
1119                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ab00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1120
1121                 // now respond to the update_fulfill_htlc+commitment_signed messages the client sent to peer 0
1122                 // inbound read from peer id 0 of len 18
1123                 ext_from_hex("030012", &mut test);
1124                 // message header indicating message length 99
1125                 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1126                 // inbound read from peer id 0 of len 115
1127                 ext_from_hex("030073", &mut test);
1128                 // revoke_and_ack and mac
1129                 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0800000000000000000000000000000000000000000000000000000000000000 020a00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1130                 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1131
1132                 // inbound read from peer id 0 of len 18
1133                 ext_from_hex("030012", &mut test);
1134                 // message header indicating message length 100
1135                 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1136                 // inbound read from peer id 0 of len 116
1137                 ext_from_hex("030074", &mut test);
1138                 // commitment_signed and mac
1139                 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000c30100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1140
1141                 // inbound read from peer id 0 of len 18
1142                 ext_from_hex("030012", &mut test);
1143                 // message header indicating message length 99
1144                 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1145                 // inbound read from peer id 0 of len 115
1146                 ext_from_hex("030073", &mut test);
1147                 // revoke_and_ack and mac
1148                 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0b00000000000000000000000000000000000000000000000000000000000000 020d00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1149
1150                 // process the now-pending HTLC forward
1151                 ext_from_hex("07", &mut test);
1152                 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1153                 // we respond with revoke_and_ack, then commitment_signed, then update_fail_htlc
1154
1155                 // inbound read from peer id 1 of len 18
1156                 ext_from_hex("030112", &mut test);
1157                 // message header indicating message length 100
1158                 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1159                 // inbound read from peer id 1 of len 116
1160                 ext_from_hex("030174", &mut test);
1161                 // commitment_signed and mac
1162                 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1163
1164                 // inbound read from peer id 1 of len 18
1165                 ext_from_hex("030112", &mut test);
1166                 // message header indicating message length 99
1167                 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1168                 // inbound read from peer id 1 of len 115
1169                 ext_from_hex("030173", &mut test);
1170                 // revoke_and_ack and mac
1171                 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6400000000000000000000000000000000000000000000000000000000000000 027000000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1172
1173                 // inbound read from peer id 1 of len 18
1174                 ext_from_hex("030112", &mut test);
1175                 // message header indicating message length 44
1176                 ext_from_hex("002c 01000000000000000000000000000000", &mut test);
1177                 // inbound read from peer id 1 of len 60
1178                 ext_from_hex("03013c", &mut test);
1179                 // update_fail_htlc and mac
1180                 ext_from_hex("0083 3a00000000000000000000000000000000000000000000000000000000000000 0000000000000001 0000 01000000000000000000000000000000", &mut test);
1181
1182                 // inbound read from peer id 1 of len 18
1183                 ext_from_hex("030112", &mut test);
1184                 // message header indicating message length 100
1185                 ext_from_hex("0064 01000000000000000000000000000000", &mut test);
1186                 // inbound read from peer id 1 of len 116
1187                 ext_from_hex("030174", &mut test);
1188                 // commitment_signed and mac
1189                 ext_from_hex("0084 3a00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000390001000000000000000000000000000000000000000000000000000000000000 0000 01000000000000000000000000000000", &mut test);
1190
1191                 // inbound read from peer id 1 of len 18
1192                 ext_from_hex("030112", &mut test);
1193                 // message header indicating message length 99
1194                 ext_from_hex("0063 01000000000000000000000000000000", &mut test);
1195                 // inbound read from peer id 1 of len 115
1196                 ext_from_hex("030173", &mut test);
1197                 // revoke_and_ack and mac
1198                 ext_from_hex("0085 3a00000000000000000000000000000000000000000000000000000000000000 6500000000000000000000000000000000000000000000000000000000000000 027100000000000000000000000000000000000000000000000000000000000000 01000000000000000000000000000000", &mut test);
1199
1200                 // process the now-pending HTLC forward
1201                 ext_from_hex("07", &mut test);
1202                 // client now sends id 0 update_fail_htlc and commitment_signed (CHECK 9)
1203                 // now respond to the update_fail_htlc+commitment_signed messages the client sent to peer 0
1204
1205                 // inbound read from peer id 0 of len 18
1206                 ext_from_hex("030012", &mut test);
1207                 // message header indicating message length 99
1208                 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1209                 // inbound read from peer id 0 of len 115
1210                 ext_from_hex("030073", &mut test);
1211                 // revoke_and_ack and mac
1212                 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0a00000000000000000000000000000000000000000000000000000000000000 020c00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1213
1214                 // inbound read from peer id 0 of len 18
1215                 ext_from_hex("030012", &mut test);
1216                 // message header indicating message length 100
1217                 ext_from_hex("0064 03000000000000000000000000000000", &mut test);
1218                 // inbound read from peer id 0 of len 116
1219                 ext_from_hex("030074", &mut test);
1220                 // commitment_signed and mac
1221                 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000320100000000000000000000000000000000000000000000000000000000000000 0000 03000000000000000000000000000000", &mut test);
1222                 // client should now respond with revoke_and_ack (CHECK 5 duplicate)
1223
1224                 // inbound read from peer id 0 of len 18
1225                 ext_from_hex("030012", &mut test);
1226                 // message header indicating message length 1452
1227                 ext_from_hex("05ac 03000000000000000000000000000000", &mut test);
1228                 // inbound read from peer id 0 of len 255
1229                 ext_from_hex("0300ff", &mut test);
1230                 // beginning of update_add_htlc from 0 to 1 via client
1231                 ext_from_hex("0080 3d00000000000000000000000000000000000000000000000000000000000000 0000000000000002 00000000000b0838 ff00000000000000000000000000000000000000000000000000000000000000 000003f0 00 030000000000000000000000000000000000000000000000000000000000000555 12 02030927c0 0401a0 060800000e0000010000 0a00000000000000000000000000000000000000000000000000000000000000 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1232                 // inbound read from peer id 0 of len 255
1233                 ext_from_hex("0300ff", &mut test);
1234                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1235                 // inbound read from peer id 0 of len 255
1236                 ext_from_hex("0300ff", &mut test);
1237                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1238                 // inbound read from peer id 0 of len 255
1239                 ext_from_hex("0300ff", &mut test);
1240                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1241                 // inbound read from peer id 0 of len 255
1242                 ext_from_hex("0300ff", &mut test);
1243                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", &mut test);
1244                 // inbound read from peer id 0 of len 193
1245                 ext_from_hex("0300c1", &mut test);
1246                 // end of update_add_htlc from 0 to 1 via client and mac
1247                 ext_from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 5300000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1248
1249                 // inbound read from peer id 0 of len 18
1250                 ext_from_hex("030012", &mut test);
1251                 // message header indicating message length 164
1252                 ext_from_hex("00a4 03000000000000000000000000000000", &mut test);
1253                 // inbound read from peer id 0 of len 180
1254                 ext_from_hex("0300b4", &mut test);
1255                 // commitment_signed and mac
1256                 ext_from_hex("0084 3d00000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000750100000000000000000000000000000000000000000000000000000000000000 0001 00000000000000000000000000000000000000000000000000000000000000670500000000000000000000000000000000000000000000000000000000000006 03000000000000000000000000000000", &mut test);
1257                 // client should now respond with revoke_and_ack and commitment_signed (CHECK 5/6 duplicates)
1258
1259                 // inbound read from peer id 0 of len 18
1260                 ext_from_hex("030012", &mut test);
1261                 // message header indicating message length 99
1262                 ext_from_hex("0063 03000000000000000000000000000000", &mut test);
1263                 // inbound read from peer id 0 of len 115
1264                 ext_from_hex("030073", &mut test);
1265                 // revoke_and_ack and mac
1266                 ext_from_hex("0085 3d00000000000000000000000000000000000000000000000000000000000000 0d00000000000000000000000000000000000000000000000000000000000000 020f00000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1267
1268                 // process the now-pending HTLC forward
1269                 ext_from_hex("07", &mut test);
1270                 // client now sends id 1 update_add_htlc and commitment_signed (CHECK 7 duplicate)
1271
1272                 // connect a block with one transaction of len 125
1273                 ext_from_hex("0c007d", &mut test);
1274                 // the commitment transaction for channel 3f00000000000000000000000000000000000000000000000000000000000000
1275                 ext_from_hex("02000000013a000000000000000000000000000000000000000000000000000000000000000000000000000000800258020000000000002200204b0000000000000000000000000000000000000000000000000000000000000014c0000000000000160014280000000000000000000000000000000000000005000020", &mut test);
1276                 //
1277                 // connect a block with one transaction of len 94
1278                 ext_from_hex("0c005e", &mut test);
1279                 // the HTLC timeout transaction
1280                 ext_from_hex("0200000001730000000000000000000000000000000000000000000000000000000000000000000000000000000001a701000000000000220020b20000000000000000000000000000000000000000000000000000000000000000000000", &mut test);
1281                 // connect a block with no transactions
1282                 ext_from_hex("0c0000", &mut test);
1283                 // connect a block with no transactions
1284                 ext_from_hex("0c0000", &mut test);
1285                 // connect a block with no transactions
1286                 ext_from_hex("0c0000", &mut test);
1287                 // connect a block with no transactions
1288                 ext_from_hex("0c0000", &mut test);
1289                 // connect a block with no transactions
1290                 ext_from_hex("0c0000", &mut test);
1291
1292                 // process the now-pending HTLC forward
1293                 ext_from_hex("07", &mut test);
1294                 // client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
1295
1296                 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1297                 super::do_test(&test, &(Arc::clone(&logger) as Arc<dyn Logger>));
1298
1299                 let log_entries = logger.lines.lock().unwrap();
1300                 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
1301                 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
1302                 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
1303                 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
1304                 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
1305                 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
1306                 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
1307                 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
1308                 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
1309                 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
1310         }
1311
1312         #[test]
1313         fn test_gossip_exchange_breakage() {
1314                 // To avoid accidentally causing all existing fuzz test cases to be useless by making minor
1315                 // changes (such as requesting feerate info in a new place), we exchange some gossip
1316                 // messages. Obviously this is pretty finicky, so this should be updated pretty liberally,
1317                 // but at least we'll know when changes occur.
1318                 // This test serves as a pretty good full_stack_target seed.
1319
1320                 // What each byte represents is broken down below, and then everything is concatenated into
1321                 // one large test at the end (you want %s/ -.*//g %s/\n\| \|\t\|\///g).
1322
1323                 // Following BOLT 8, lightning message on the wire are: 2-byte encrypted message length +
1324                 // 16-byte MAC of the encrypted message length + encrypted Lightning message + 16-byte MAC
1325                 // of the Lightning message
1326                 // I.e 2nd inbound read, len 18 : 0006 (encrypted message length) + 03000000000000000000000000000000 (MAC of the encrypted message length)
1327                 // Len 22 : 0010 00000000 (encrypted lightning message) + 03000000000000000000000000000000 (MAC of the Lightning message)
1328
1329                 // Writing new code generating transactions and see a new failure ? Don't forget to add input for the FuzzEstimator !
1330
1331                 let mut test = Vec::new();
1332
1333                 // our network key
1334                 ext_from_hex("0100000000000000000000000000000000000000000000000000000000000000", &mut test);
1335                 // config
1336                 ext_from_hex("0000000000900000000000000000640001000000000001ffff0000000000000000ffffffffffffffffffffffffffffffff0000000000000000ffffffffffffffff000000ffffffff00ffff1a000400010000020400000000040200000a08ffffffffffffffff0001000000", &mut test);
1337
1338                 // new outbound connection with id 0
1339                 ext_from_hex("00", &mut test);
1340                 // peer's pubkey
1341                 ext_from_hex("030000000000000000000000000000000000000000000000000000000000000002", &mut test);
1342                 // inbound read from peer id 0 of len 50
1343                 ext_from_hex("030032", &mut test);
1344                 // noise act two (0||pubkey||mac)
1345                 ext_from_hex("00 030000000000000000000000000000000000000000000000000000000000000002 03000000000000000000000000000000", &mut test);
1346
1347                 // inbound read from peer id 0 of len 18
1348                 ext_from_hex("030012", &mut test);
1349                 // message header indicating message length 16
1350                 ext_from_hex("0010 03000000000000000000000000000000", &mut test);
1351                 // inbound read from peer id 0 of len 32
1352                 ext_from_hex("030020", &mut test);
1353                 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
1354                 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 03000000000000000000000000000000", &mut test);
1355
1356                 // new inbound connection with id 1
1357                 ext_from_hex("01", &mut test);
1358                 // inbound read from peer id 1 of len 50
1359                 ext_from_hex("030132", &mut test);
1360                 // inbound noise act 1
1361                 ext_from_hex("0003000000000000000000000000000000000000000000000000000000000000000703000000000000000000000000000000", &mut test);
1362                 // inbound read from peer id 1 of len 66
1363                 ext_from_hex("030142", &mut test);
1364                 // inbound noise act 3
1365                 ext_from_hex("000302000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000003000000000000000000000000000000", &mut test);
1366
1367                 // inbound read from peer id 1 of len 18
1368                 ext_from_hex("030112", &mut test);
1369                 // message header indicating message length 16
1370                 ext_from_hex("0010 01000000000000000000000000000000", &mut test);
1371                 // inbound read from peer id 1 of len 32
1372                 ext_from_hex("030120", &mut test);
1373                 // init message (type 16) with static_remotekey required, no channel_type/anchors/taproot, and other bits optional and mac
1374                 ext_from_hex("0010 00021aaa 0008aaa20aaa2a0a9aaa 01000000000000000000000000000000", &mut test);
1375
1376                 // inbound read from peer id 0 of len 18
1377                 ext_from_hex("030012", &mut test);
1378                 // message header indicating message length 432
1379                 ext_from_hex("01b0 03000000000000000000000000000000", &mut test);
1380                 // inbound read from peer id 0 of len 255
1381                 ext_from_hex("0300ff", &mut test);
1382                 // First part of channel_announcement (type 256)
1383                 ext_from_hex("0100 00000000000000000000000000000000000000000000000000000000000000b20303030303030303030303030303030303030303030303030303030303030303 00000000000000000000000000000000000000000000000000000000000000b20202020202020202020202020202020202020202020202020202020202020202 00000000000000000000000000000000000000000000000000000000000000b20303030303030303030303030303030303030303030303030303030303030303 00000000000000000000000000000000000000000000000000000000000000b20202020202020202020202020202020202020202020202020202020202", &mut test);
1384                 // inbound read from peer id 0 of len 193
1385                 ext_from_hex("0300c1", &mut test);
1386                 // Last part of channel_announcement and mac
1387                 ext_from_hex("020202 00006fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000000000000000002a030303030303030303030303030303030303030303030303030303030303030303020202020202020202020202020202020202020202020202020202020202020202030303030303030303030303030303030303030303030303030303030303030303020202020202020202020202020202020202020202020202020202020202020202 03000000000000000000000000000000", &mut test);
1388
1389                 // inbound read from peer id 0 of len 18
1390                 ext_from_hex("030012", &mut test);
1391                 // message header indicating message length 138
1392                 ext_from_hex("008a 03000000000000000000000000000000", &mut test);
1393                 // inbound read from peer id 0 of len 154
1394                 ext_from_hex("03009a", &mut test);
1395                 // channel_update (type 258) and mac
1396                 ext_from_hex("0102 00000000000000000000000000000000000000000000000000000000000000a60303030303030303030303030303030303030303030303030303030303030303 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000 000000000000002a0000002c01000028000000000000000000000000000000000000000005f5e100 03000000000000000000000000000000", &mut test);
1397
1398                 // inbound read from peer id 0 of len 18
1399                 ext_from_hex("030012", &mut test);
1400                 // message header indicating message length 142
1401                 ext_from_hex("008e 03000000000000000000000000000000", &mut test);
1402                 // inbound read from peer id 0 of len 158
1403                 ext_from_hex("03009e", &mut test);
1404                 // node_announcement (type 257) and mac
1405                 ext_from_hex("0101 00000000000000000000000000000000000000000000000000000000000000280303030303030303030303030303030303030303030303030303030303030303 00000000002b03030303030303030303030303030303030303030303030303030303030303030300000000000000000000000000000000000000000000000000000000000000000000000000 03000000000000000000000000000000", &mut test);
1406
1407                 let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
1408                 super::do_test(&test, &(Arc::clone(&logger) as Arc<dyn Logger>));
1409
1410                 let log_entries = logger.lines.lock().unwrap();
1411                 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Sending message to all peers except Some(PublicKey(0000000000000000000000000000000000000000000000000000000000000002ff00000000000000000000000000000000000000000000000000000000000002)) or the announced channel's counterparties: ChannelAnnouncement { node_signature_1: 3026020200b202200303030303030303030303030303030303030303030303030303030303030303, node_signature_2: 3026020200b202200202020202020202020202020202020202020202020202020202020202020202, bitcoin_signature_1: 3026020200b202200303030303030303030303030303030303030303030303030303030303030303, bitcoin_signature_2: 3026020200b202200202020202020202020202020202020202020202020202020202020202020202, contents: UnsignedChannelAnnouncement { features: [], chain_hash: 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000, short_channel_id: 42, node_id_1: NodeId(030303030303030303030303030303030303030303030303030303030303030303), node_id_2: NodeId(020202020202020202020202020202020202020202020202020202020202020202), bitcoin_key_1: NodeId(030303030303030303030303030303030303030303030303030303030303030303), bitcoin_key_2: NodeId(020202020202020202020202020202020202020202020202020202020202020202), excess_data: [] } }".to_string())), Some(&1));
1412                 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Sending message to all peers except Some(PublicKey(0000000000000000000000000000000000000000000000000000000000000002ff00000000000000000000000000000000000000000000000000000000000002)): ChannelUpdate { signature: 3026020200a602200303030303030303030303030303030303030303030303030303030303030303, contents: UnsignedChannelUpdate { chain_hash: 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000, short_channel_id: 42, timestamp: 44, flags: 0, cltv_expiry_delta: 40, htlc_minimum_msat: 0, htlc_maximum_msat: 100000000, fee_base_msat: 0, fee_proportional_millionths: 0, excess_data: [] } }".to_string())), Some(&1));
1413                 assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Sending message to all peers except Some(PublicKey(0000000000000000000000000000000000000000000000000000000000000002ff00000000000000000000000000000000000000000000000000000000000002)) or the announced node: NodeAnnouncement { signature: 302502012802200303030303030303030303030303030303030303030303030303030303030303, contents: UnsignedNodeAnnouncement { features: [], timestamp: 43, node_id: NodeId(030303030303030303030303030303030303030303030303030303030303030303), rgb: [0, 0, 0], alias: NodeAlias([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]), addresses: [], excess_address_data: [], excess_data: [] } }".to_string())), Some(&1));
1414         }
1415 }