_ Git - rust-lightning/blob - fuzz/src/onion_message.rs

   1 // Imports that need to be added manually
   2 use bech32::u5;
   3 use bitcoin::blockdata::script::ScriptBuf;
   4 use bitcoin::secp256k1::ecdh::SharedSecret;
   5 use bitcoin::secp256k1::ecdsa::RecoverableSignature;
   6 use bitcoin::secp256k1::schnorr;
   7 use bitcoin::secp256k1::{self, PublicKey, Scalar, Secp256k1, SecretKey};
   8
   9 use lightning::blinded_path::{BlindedPath, EmptyNodeIdLookUp};
  10 use lightning::ln::features::InitFeatures;
  11 use lightning::ln::msgs::{self, DecodeError, OnionMessageHandler};
  12 use lightning::ln::script::ShutdownScript;
  13 use lightning::offers::invoice::UnsignedBolt12Invoice;
  14 use lightning::offers::invoice_request::UnsignedInvoiceRequest;
  15 use lightning::onion_message::messenger::{
  16         CustomOnionMessageHandler, Destination, MessageRouter, OnionMessagePath, OnionMessenger,
  17         PendingOnionMessage, Responder, ResponseInstruction,
  18 };
  19 use lightning::onion_message::offers::{OffersMessage, OffersMessageHandler};
  20 use lightning::onion_message::packet::OnionMessageContents;
  21 use lightning::sign::{EntropySource, KeyMaterial, NodeSigner, Recipient, SignerProvider};
  22 use lightning::util::logger::Logger;
  23 use lightning::util::ser::{Readable, Writeable, Writer};
  24 use lightning::util::test_channel_signer::TestChannelSigner;
  25
  26 use crate::utils::test_logger;
  27
  28 use std::io::{self, Cursor};
  29 use std::sync::atomic::{AtomicU64, Ordering};
  30
  31 #[inline]
  32 /// Actual fuzz test, method signature and name are fixed
  33 pub fn do_test<L: Logger>(data: &[u8], logger: &L) {
  34         if let Ok(msg) = <msgs::OnionMessage as Readable>::read(&mut Cursor::new(data)) {
  35                 let mut secret_bytes = [1; 32];
  36                 secret_bytes[31] = 2;
  37                 let secret = SecretKey::from_slice(&secret_bytes).unwrap();
  38                 let keys_manager = KeyProvider { node_secret: secret, counter: AtomicU64::new(0) };
  39                 let node_id_lookup = EmptyNodeIdLookUp {};
  40                 let message_router = TestMessageRouter {};
  41                 let offers_msg_handler = TestOffersMessageHandler {};
  42                 let custom_msg_handler = TestCustomMessageHandler {};
  43                 let onion_messenger = OnionMessenger::new(
  44                         &keys_manager,
  45                         &keys_manager,
  46                         logger,
  47                         &node_id_lookup,
  48                         &message_router,
  49                         &offers_msg_handler,
  50                         &custom_msg_handler,
  51                 );
  52
  53                 let peer_node_id = {
  54                         let mut secret_bytes = [0; 32];
  55                         secret_bytes[31] = 2;
  56                         let secret = SecretKey::from_slice(&secret_bytes).unwrap();
  57                         PublicKey::from_secret_key(&Secp256k1::signing_only(), &secret)
  58                 };
  59
  60                 let mut features = InitFeatures::empty();
  61                 features.set_onion_messages_optional();
  62                 let init = msgs::Init { features, networks: None, remote_network_address: None };
  63
  64                 onion_messenger.peer_connected(&peer_node_id, &init, false).unwrap();
  65                 onion_messenger.handle_onion_message(&peer_node_id, &msg);
  66         }
  67 }
  68
  69 /// Method that needs to be added manually, {name}_test
  70 pub fn onion_message_test<Out: test_logger::Output>(data: &[u8], out: Out) {
  71         let logger = test_logger::TestLogger::new("".to_owned(), out);
  72         do_test(data, &logger);
  73 }
  74
  75 /// Method that needs to be added manually, {name}_run
  76 #[no_mangle]
  77 pub extern "C" fn onion_message_run(data: *const u8, datalen: usize) {
  78         let logger = test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {});
  79         do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
  80 }
  81
  82 struct TestMessageRouter {}
  83
  84 impl MessageRouter for TestMessageRouter {
  85         fn find_path(
  86                 &self, _sender: PublicKey, _peers: Vec<PublicKey>, destination: Destination,
  87         ) -> Result<OnionMessagePath, ()> {
  88                 Ok(OnionMessagePath { intermediate_nodes: vec![], destination, first_node_addresses: None })
  89         }
  90
  91         fn create_blinded_paths<T: secp256k1::Signing + secp256k1::Verification>(
  92                 &self, _recipient: PublicKey, _peers: Vec<PublicKey>, _secp_ctx: &Secp256k1<T>,
  93         ) -> Result<Vec<BlindedPath>, ()> {
  94                 unreachable!()
  95         }
  96 }
  97
  98 struct TestOffersMessageHandler {}
  99
 100 impl OffersMessageHandler for TestOffersMessageHandler {
 101         fn handle_message(
 102                 &self, _message: OffersMessage, _responder: Option<Responder>,
 103         ) -> ResponseInstruction<OffersMessage> {
 104                 ResponseInstruction::NoResponse
 105         }
 106 }
 107
 108 #[derive(Debug)]
 109 struct TestCustomMessage {}
 110
 111 const CUSTOM_MESSAGE_TYPE: u64 = 4242;
 112 const CUSTOM_MESSAGE_CONTENTS: [u8; 32] = [42; 32];
 113
 114 impl OnionMessageContents for TestCustomMessage {
 115         fn tlv_type(&self) -> u64 {
 116                 CUSTOM_MESSAGE_TYPE
 117         }
 118         fn msg_type(&self) -> &'static str {
 119                 "Custom Message"
 120         }
 121 }
 122
 123 impl Writeable for TestCustomMessage {
 124         fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
 125                 Ok(CUSTOM_MESSAGE_CONTENTS.write(w)?)
 126         }
 127 }
 128
 129 struct TestCustomMessageHandler {}
 130
 131 impl CustomOnionMessageHandler for TestCustomMessageHandler {
 132         type CustomMessage = TestCustomMessage;
 133         fn handle_custom_message(
 134                 &self, message: Self::CustomMessage, responder: Option<Responder>,
 135         ) -> ResponseInstruction<Self::CustomMessage> {
 136                 match responder {
 137                         Some(responder) => responder.respond(message),
 138                         None => ResponseInstruction::NoResponse,
 139                 }
 140         }
 141         fn read_custom_message<R: io::Read>(
 142                 &self, _message_type: u64, buffer: &mut R,
 143         ) -> Result<Option<Self::CustomMessage>, msgs::DecodeError> {
 144                 let mut buf = Vec::new();
 145                 buffer.read_to_end(&mut buf)?;
 146                 return Ok(Some(TestCustomMessage {}));
 147         }
 148         fn release_pending_custom_messages(&self) -> Vec<PendingOnionMessage<Self::CustomMessage>> {
 149                 vec![]
 150         }
 151 }
 152
 153 pub struct VecWriter(pub Vec<u8>);
 154 impl Writer for VecWriter {
 155         fn write_all(&mut self, buf: &[u8]) -> Result<(), ::std::io::Error> {
 156                 self.0.extend_from_slice(buf);
 157                 Ok(())
 158         }
 159 }
 160 struct KeyProvider {
 161         node_secret: SecretKey,
 162         counter: AtomicU64,
 163 }
 164
 165 impl EntropySource for KeyProvider {
 166         fn get_secure_random_bytes(&self) -> [u8; 32] {
 167                 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
 168                 #[rustfmt::skip]
 169                 let random_bytes = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 170                         (ctr >> 8*7) as u8, (ctr >> 8*6) as u8, (ctr >> 8*5) as u8, (ctr >> 8*4) as u8,
 171                         (ctr >> 8*3) as u8, (ctr >> 8*2) as u8, (ctr >> 8*1) as u8, 14, (ctr >> 8*0) as u8];
 172                 random_bytes
 173         }
 174 }
 175
 176 impl NodeSigner for KeyProvider {
 177         fn get_node_id(&self, recipient: Recipient) -> Result<PublicKey, ()> {
 178                 let node_secret = match recipient {
 179                         Recipient::Node => Ok(&self.node_secret),
 180                         Recipient::PhantomNode => Err(()),
 181                 }?;
 182                 Ok(PublicKey::from_secret_key(&Secp256k1::signing_only(), node_secret))
 183         }
 184
 185         fn ecdh(
 186                 &self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&Scalar>,
 187         ) -> Result<SharedSecret, ()> {
 188                 let mut node_secret = match recipient {
 189                         Recipient::Node => Ok(self.node_secret.clone()),
 190                         Recipient::PhantomNode => Err(()),
 191                 }?;
 192                 if let Some(tweak) = tweak {
 193                         node_secret = node_secret.mul_tweak(tweak).map_err(|_| ())?;
 194                 }
 195                 Ok(SharedSecret::new(other_key, &node_secret))
 196         }
 197
 198         fn get_inbound_payment_key_material(&self) -> KeyMaterial {
 199                 unreachable!()
 200         }
 201
 202         fn sign_invoice(
 203                 &self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient,
 204         ) -> Result<RecoverableSignature, ()> {
 205                 unreachable!()
 206         }
 207
 208         fn sign_bolt12_invoice_request(
 209                 &self, _invoice_request: &UnsignedInvoiceRequest,
 210         ) -> Result<schnorr::Signature, ()> {
 211                 unreachable!()
 212         }
 213
 214         fn sign_bolt12_invoice(
 215                 &self, _invoice: &UnsignedBolt12Invoice,
 216         ) -> Result<schnorr::Signature, ()> {
 217                 unreachable!()
 218         }
 219
 220         fn sign_gossip_message(
 221                 &self, _msg: lightning::ln::msgs::UnsignedGossipMessage,
 222         ) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
 223                 unreachable!()
 224         }
 225 }
 226
 227 impl SignerProvider for KeyProvider {
 228         type EcdsaSigner = TestChannelSigner;
 229         #[cfg(taproot)]
 230         type TaprootSigner = TestChannelSigner;
 231
 232         fn generate_channel_keys_id(
 233                 &self, _inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128,
 234         ) -> [u8; 32] {
 235                 unreachable!()
 236         }
 237
 238         fn derive_channel_signer(
 239                 &self, _channel_value_satoshis: u64, _channel_keys_id: [u8; 32],
 240         ) -> Self::EcdsaSigner {
 241                 unreachable!()
 242         }
 243
 244         fn read_chan_signer(&self, _data: &[u8]) -> Result<TestChannelSigner, DecodeError> {
 245                 unreachable!()
 246         }
 247
 248         fn get_destination_script(&self, _channel_keys_id: [u8; 32]) -> Result<ScriptBuf, ()> {
 249                 unreachable!()
 250         }
 251
 252         fn get_shutdown_scriptpubkey(&self) -> Result<ShutdownScript, ()> {
 253                 unreachable!()
 254         }
 255 }
 256
 257 #[cfg(test)]
 258 mod tests {
 259         use bitcoin::hashes::hex::FromHex;
 260         use lightning::util::logger::{Logger, Record};
 261         use std::collections::HashMap;
 262         use std::sync::Mutex;
 263
 264         struct TrackingLogger {
 265                 /// (module, message) -> count
 266                 pub lines: Mutex<HashMap<(String, String), usize>>,
 267         }
 268         impl Logger for TrackingLogger {
 269                 fn log(&self, record: Record) {
 270                         let mut lines_lock = self.lines.lock().unwrap();
 271                         let key = (record.module_path.to_string(), format!("{}", record.args));
 272                         *lines_lock.entry(key).or_insert(0) += 1;
 273                         println!(
 274                                 "{:<5} [{} : {}, {}] {}",
 275                                 record.level.to_string(),
 276                                 record.module_path,
 277                                 record.file,
 278                                 record.line,
 279                                 record.args
 280                         );
 281                 }
 282         }
 283
 284         #[test]
 285         fn test_no_onion_message_breakage() {
 286                 let one_hop_om = "\
 287                         020000000000000000000000000000000000000000000000000000000000000e01055600020000000000000\
 288                         000000000000000000000000000000000000000000000000e01ae0276020000000000000000000000000000\
 289                         000000000000000000000000000000000002020000000000000000000000000000000000000000000000000\
 290                         000000000000e0101022a0000000000000000000000000000014551231950b75fc4402da1732fc9bebf0010\
 291                         9500000000000000000000000000000004106d000000000000000000000000000000fd1092202a2a2a2a2a2\
 292                         a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a0000000000000000000000000000000000\
 293                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 294                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 295                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 296                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 297                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 298                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 299                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 300                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 301                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 302                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 303                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 304                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 305                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 306                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 307                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 308                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 309                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 310                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 311                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 312                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 313                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 314                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 315                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 316                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 317                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 318                         000000000000000000000000000000000000000005600000000000000000000000000000000000000000000\
 319                         000000000000000000";
 320                 let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
 321                 super::do_test(&<Vec<u8>>::from_hex(one_hop_om).unwrap(), &logger);
 322                 {
 323                         let log_entries = logger.lines.lock().unwrap();
 324                         assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(),
 325                                                 "Received an onion message with path_id None and a reply_path: Custom(TestCustomMessage)"
 326                                                 .to_string())), Some(&1));
 327                         assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(),
 328                                                 "Constructing onion message when responding with Custom Message to an onion message with path_id None: TestCustomMessage".to_string())), Some(&1));
 329                         assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(),
 330                                                 "Buffered onion message when responding with Custom Message to an onion message with path_id None".to_string())), Some(&1));
 331                 }
 332
 333                 let two_unblinded_hops_om = "\
 334                         020000000000000000000000000000000000000000000000000000000000000e01055600020000000000000\
 335                         000000000000000000000000000000000000000000000000e01350433042102020202020202020202020202\
 336                         02020202020202020202020202020202020202026d000000000000000000000000000000eb0000000000000\
 337                         000000000000000000000000000000000000000000000000036041096000000000000000000000000000000\
 338                         fd1092202a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a000000000000000\
 339                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 340                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 341                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 342                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 343                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 344                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 345                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 346                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 347                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 348                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 349                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 350                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 351                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 352                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 353                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 354                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 355                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 356                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 357                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 358                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 359                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 360                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 361                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 362                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 363                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 364                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 365                         000000000000000000000000000000000000000004800000000000000000000000000000000000000000000\
 366                         000000000000000000";
 367                 let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
 368                 super::do_test(&<Vec<u8>>::from_hex(two_unblinded_hops_om).unwrap(), &logger);
 369                 {
 370                         let log_entries = logger.lines.lock().unwrap();
 371                         assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(), "Forwarding an onion message to peer 020202020202020202020202020202020202020202020202020202020202020202".to_string())), Some(&1));
 372                 }
 373
 374                 let two_unblinded_two_blinded_om = "\
 375                         020000000000000000000000000000000000000000000000000000000000000e01055600020000000000000\
 376                         000000000000000000000000000000000000000000000000e01350433042102020202020202020202020202\
 377                         02020202020202020202020202020202020202026d0000000000000000000000000000009e0000000000000\
 378                         000000000000000000000000000000000000000000000000058045604210203030303030303030303030303\
 379                         030303030303030303030303030303030303020821020000000000000000000000000000000000000000000\
 380                         000000000000000000e0196000000000000000000000000000000e900000000000000000000000000000000\
 381                         000000000000000000000000000000350433042102040404040404040404040404040404040404040404040\
 382                         4040404040404040402ca000000000000000000000000000000420000000000000000000000000000000000\
 383                         00000000000000000000000000003604103f000000000000000000000000000000fd1092202a2a2a2a2a2a2\
 384                         a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a000000000000000000000000000000000000\
 385                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 386                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 387                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 388                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 389                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 390                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 391                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 392                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 393                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 394                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 395                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 396                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 397                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 398                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 399                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 400                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 401                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 402                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 403                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 404                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 405                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 406                         000000000000000000000000000000000000000004800000000000000000000000000000000000000000000\
 407                         000000000000000000";
 408                 let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
 409                 super::do_test(&<Vec<u8>>::from_hex(two_unblinded_two_blinded_om).unwrap(), &logger);
 410                 {
 411                         let log_entries = logger.lines.lock().unwrap();
 412                         assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(), "Forwarding an onion message to peer 020202020202020202020202020202020202020202020202020202020202020202".to_string())), Some(&1));
 413                 }
 414
 415                 let three_blinded_om = "\
 416                         020000000000000000000000000000000000000000000000000000000000000e01055600020000000000000\
 417                         000000000000000000000000000000000000000000000000e01350433042102020202020202020202020202\
 418                         02020202020202020202020202020202020202026d000000000000000000000000000000b20000000000000\
 419                         000000000000000000000000000000000000000000000000035043304210203030303030303030303030303\
 420                         030303030303030303030303030303030303029600000000000000000000000000000033000000000000000\
 421                         000000000000000000000000000000000000000000000003604104e000000000000000000000000000000fd\
 422                         1092202a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a00000000000000000\
 423                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 424                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 425                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 426                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 427                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 428                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 429                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 430                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 431                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 432                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 433                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 434                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 435                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 436                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 437                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 438                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 439                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 440                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 441                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 442                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 443                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 444                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 445                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 446                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 447                         000000000000000000000000000000000000000004800000000000000000000000000000000000000000000\
 448                         000000000000000000";
 449                 let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
 450                 super::do_test(&<Vec<u8>>::from_hex(three_blinded_om).unwrap(), &logger);
 451                 {
 452                         let log_entries = logger.lines.lock().unwrap();
 453                         assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(), "Forwarding an onion message to peer 020202020202020202020202020202020202020202020202020202020202020202".to_string())), Some(&1));
 454                 }
 455         }
 456 }