_ 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::async_payments::{
  16         AsyncPaymentsMessage, AsyncPaymentsMessageHandler, HeldHtlcAvailable, ReleaseHeldHtlc,
  17 };
  18 use lightning::onion_message::messenger::{
  19         CustomOnionMessageHandler, Destination, MessageRouter, OnionMessagePath, OnionMessenger,
  20         PendingOnionMessage, Responder, ResponseInstruction,
  21 };
  22 use lightning::onion_message::offers::{OffersMessage, OffersMessageHandler};
  23 use lightning::onion_message::packet::OnionMessageContents;
  24 use lightning::sign::{EntropySource, KeyMaterial, NodeSigner, Recipient, SignerProvider};
  25 use lightning::util::logger::Logger;
  26 use lightning::util::ser::{Readable, Writeable, Writer};
  27 use lightning::util::test_channel_signer::TestChannelSigner;
  28
  29 use crate::utils::test_logger;
  30
  31 use std::io::{self, Cursor};
  32 use std::sync::atomic::{AtomicU64, Ordering};
  33
  34 #[inline]
  35 /// Actual fuzz test, method signature and name are fixed
  36 pub fn do_test<L: Logger>(data: &[u8], logger: &L) {
  37         if let Ok(msg) = <msgs::OnionMessage as Readable>::read(&mut Cursor::new(data)) {
  38                 let mut secret_bytes = [1; 32];
  39                 secret_bytes[31] = 2;
  40                 let secret = SecretKey::from_slice(&secret_bytes).unwrap();
  41                 let keys_manager = KeyProvider { node_secret: secret, counter: AtomicU64::new(0) };
  42                 let node_id_lookup = EmptyNodeIdLookUp {};
  43                 let message_router = TestMessageRouter {};
  44                 let offers_msg_handler = TestOffersMessageHandler {};
  45                 let async_payments_msg_handler = TestAsyncPaymentsMessageHandler {};
  46                 let custom_msg_handler = TestCustomMessageHandler {};
  47                 let onion_messenger = OnionMessenger::new(
  48                         &keys_manager,
  49                         &keys_manager,
  50                         logger,
  51                         &node_id_lookup,
  52                         &message_router,
  53                         &offers_msg_handler,
  54                         &async_payments_msg_handler,
  55                         &custom_msg_handler,
  56                 );
  57
  58                 let peer_node_id = {
  59                         let mut secret_bytes = [0; 32];
  60                         secret_bytes[31] = 2;
  61                         let secret = SecretKey::from_slice(&secret_bytes).unwrap();
  62                         PublicKey::from_secret_key(&Secp256k1::signing_only(), &secret)
  63                 };
  64
  65                 let mut features = InitFeatures::empty();
  66                 features.set_onion_messages_optional();
  67                 let init = msgs::Init { features, networks: None, remote_network_address: None };
  68
  69                 onion_messenger.peer_connected(&peer_node_id, &init, false).unwrap();
  70                 onion_messenger.handle_onion_message(&peer_node_id, &msg);
  71         }
  72 }
  73
  74 /// Method that needs to be added manually, {name}_test
  75 pub fn onion_message_test<Out: test_logger::Output>(data: &[u8], out: Out) {
  76         let logger = test_logger::TestLogger::new("".to_owned(), out);
  77         do_test(data, &logger);
  78 }
  79
  80 /// Method that needs to be added manually, {name}_run
  81 #[no_mangle]
  82 pub extern "C" fn onion_message_run(data: *const u8, datalen: usize) {
  83         let logger = test_logger::TestLogger::new("".to_owned(), test_logger::DevNull {});
  84         do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, &logger);
  85 }
  86
  87 struct TestMessageRouter {}
  88
  89 impl MessageRouter for TestMessageRouter {
  90         fn find_path(
  91                 &self, _sender: PublicKey, _peers: Vec<PublicKey>, destination: Destination,
  92         ) -> Result<OnionMessagePath, ()> {
  93                 Ok(OnionMessagePath { intermediate_nodes: vec![], destination, first_node_addresses: None })
  94         }
  95
  96         fn create_blinded_paths<T: secp256k1::Signing + secp256k1::Verification>(
  97                 &self, _recipient: PublicKey, _peers: Vec<PublicKey>, _secp_ctx: &Secp256k1<T>,
  98         ) -> Result<Vec<BlindedPath>, ()> {
  99                 unreachable!()
 100         }
 101 }
 102
 103 struct TestOffersMessageHandler {}
 104
 105 impl OffersMessageHandler for TestOffersMessageHandler {
 106         fn handle_message(
 107                 &self, _message: OffersMessage, _responder: Option<Responder>,
 108         ) -> ResponseInstruction<OffersMessage> {
 109                 ResponseInstruction::NoResponse
 110         }
 111 }
 112
 113 struct TestAsyncPaymentsMessageHandler {}
 114
 115 impl AsyncPaymentsMessageHandler for TestAsyncPaymentsMessageHandler {
 116         fn held_htlc_available(
 117                 &self, _message: HeldHtlcAvailable, _responder: Option<Responder>,
 118         ) -> ResponseInstruction<ReleaseHeldHtlc> {
 119                 ResponseInstruction::NoResponse
 120         }
 121         fn release_held_htlc(&self, _message: ReleaseHeldHtlc) {}
 122 }
 123
 124 #[derive(Debug)]
 125 struct TestCustomMessage {}
 126
 127 const CUSTOM_MESSAGE_TYPE: u64 = 4242;
 128 const CUSTOM_MESSAGE_CONTENTS: [u8; 32] = [42; 32];
 129
 130 impl OnionMessageContents for TestCustomMessage {
 131         fn tlv_type(&self) -> u64 {
 132                 CUSTOM_MESSAGE_TYPE
 133         }
 134         fn msg_type(&self) -> &'static str {
 135                 "Custom Message"
 136         }
 137 }
 138
 139 impl Writeable for TestCustomMessage {
 140         fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
 141                 Ok(CUSTOM_MESSAGE_CONTENTS.write(w)?)
 142         }
 143 }
 144
 145 struct TestCustomMessageHandler {}
 146
 147 impl CustomOnionMessageHandler for TestCustomMessageHandler {
 148         type CustomMessage = TestCustomMessage;
 149         fn handle_custom_message(
 150                 &self, message: Self::CustomMessage, responder: Option<Responder>,
 151         ) -> ResponseInstruction<Self::CustomMessage> {
 152                 match responder {
 153                         Some(responder) => responder.respond(message),
 154                         None => ResponseInstruction::NoResponse,
 155                 }
 156         }
 157         fn read_custom_message<R: io::Read>(
 158                 &self, _message_type: u64, buffer: &mut R,
 159         ) -> Result<Option<Self::CustomMessage>, msgs::DecodeError> {
 160                 let mut buf = Vec::new();
 161                 buffer.read_to_end(&mut buf)?;
 162                 return Ok(Some(TestCustomMessage {}));
 163         }
 164         fn release_pending_custom_messages(&self) -> Vec<PendingOnionMessage<Self::CustomMessage>> {
 165                 vec![]
 166         }
 167 }
 168
 169 pub struct VecWriter(pub Vec<u8>);
 170 impl Writer for VecWriter {
 171         fn write_all(&mut self, buf: &[u8]) -> Result<(), ::std::io::Error> {
 172                 self.0.extend_from_slice(buf);
 173                 Ok(())
 174         }
 175 }
 176 struct KeyProvider {
 177         node_secret: SecretKey,
 178         counter: AtomicU64,
 179 }
 180
 181 impl EntropySource for KeyProvider {
 182         fn get_secure_random_bytes(&self) -> [u8; 32] {
 183                 let ctr = self.counter.fetch_add(1, Ordering::Relaxed);
 184                 #[rustfmt::skip]
 185                 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,
 186                         (ctr >> 8*7) as u8, (ctr >> 8*6) as u8, (ctr >> 8*5) as u8, (ctr >> 8*4) as u8,
 187                         (ctr >> 8*3) as u8, (ctr >> 8*2) as u8, (ctr >> 8*1) as u8, 14, (ctr >> 8*0) as u8];
 188                 random_bytes
 189         }
 190 }
 191
 192 impl NodeSigner for KeyProvider {
 193         fn get_node_id(&self, recipient: Recipient) -> Result<PublicKey, ()> {
 194                 let node_secret = match recipient {
 195                         Recipient::Node => Ok(&self.node_secret),
 196                         Recipient::PhantomNode => Err(()),
 197                 }?;
 198                 Ok(PublicKey::from_secret_key(&Secp256k1::signing_only(), node_secret))
 199         }
 200
 201         fn ecdh(
 202                 &self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&Scalar>,
 203         ) -> Result<SharedSecret, ()> {
 204                 let mut node_secret = match recipient {
 205                         Recipient::Node => Ok(self.node_secret.clone()),
 206                         Recipient::PhantomNode => Err(()),
 207                 }?;
 208                 if let Some(tweak) = tweak {
 209                         node_secret = node_secret.mul_tweak(tweak).map_err(|_| ())?;
 210                 }
 211                 Ok(SharedSecret::new(other_key, &node_secret))
 212         }
 213
 214         fn get_inbound_payment_key_material(&self) -> KeyMaterial {
 215                 unreachable!()
 216         }
 217
 218         fn sign_invoice(
 219                 &self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient,
 220         ) -> Result<RecoverableSignature, ()> {
 221                 unreachable!()
 222         }
 223
 224         fn sign_bolt12_invoice_request(
 225                 &self, _invoice_request: &UnsignedInvoiceRequest,
 226         ) -> Result<schnorr::Signature, ()> {
 227                 unreachable!()
 228         }
 229
 230         fn sign_bolt12_invoice(
 231                 &self, _invoice: &UnsignedBolt12Invoice,
 232         ) -> Result<schnorr::Signature, ()> {
 233                 unreachable!()
 234         }
 235
 236         fn sign_gossip_message(
 237                 &self, _msg: lightning::ln::msgs::UnsignedGossipMessage,
 238         ) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
 239                 unreachable!()
 240         }
 241 }
 242
 243 impl SignerProvider for KeyProvider {
 244         type EcdsaSigner = TestChannelSigner;
 245         #[cfg(taproot)]
 246         type TaprootSigner = TestChannelSigner;
 247
 248         fn generate_channel_keys_id(
 249                 &self, _inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128,
 250         ) -> [u8; 32] {
 251                 unreachable!()
 252         }
 253
 254         fn derive_channel_signer(
 255                 &self, _channel_value_satoshis: u64, _channel_keys_id: [u8; 32],
 256         ) -> Self::EcdsaSigner {
 257                 unreachable!()
 258         }
 259
 260         fn read_chan_signer(&self, _data: &[u8]) -> Result<TestChannelSigner, DecodeError> {
 261                 unreachable!()
 262         }
 263
 264         fn get_destination_script(&self, _channel_keys_id: [u8; 32]) -> Result<ScriptBuf, ()> {
 265                 unreachable!()
 266         }
 267
 268         fn get_shutdown_scriptpubkey(&self) -> Result<ShutdownScript, ()> {
 269                 unreachable!()
 270         }
 271 }
 272
 273 #[cfg(test)]
 274 mod tests {
 275         use bitcoin::hashes::hex::FromHex;
 276         use lightning::util::logger::{Logger, Record};
 277         use std::collections::HashMap;
 278         use std::sync::Mutex;
 279
 280         struct TrackingLogger {
 281                 /// (module, message) -> count
 282                 pub lines: Mutex<HashMap<(String, String), usize>>,
 283         }
 284         impl Logger for TrackingLogger {
 285                 fn log(&self, record: Record) {
 286                         let mut lines_lock = self.lines.lock().unwrap();
 287                         let key = (record.module_path.to_string(), format!("{}", record.args));
 288                         *lines_lock.entry(key).or_insert(0) += 1;
 289                         println!(
 290                                 "{:<5} [{} : {}, {}] {}",
 291                                 record.level.to_string(),
 292                                 record.module_path,
 293                                 record.file,
 294                                 record.line,
 295                                 record.args
 296                         );
 297                 }
 298         }
 299
 300         #[test]
 301         fn test_no_onion_message_breakage() {
 302                 let one_hop_om = "\
 303                         020000000000000000000000000000000000000000000000000000000000000e01055600020000000000000\
 304                         000000000000000000000000000000000000000000000000e01ae0276020000000000000000000000000000\
 305                         000000000000000000000000000000000002020000000000000000000000000000000000000000000000000\
 306                         000000000000e0101022a0000000000000000000000000000014551231950b75fc4402da1732fc9bebf0010\
 307                         9500000000000000000000000000000004106d000000000000000000000000000000fd1092202a2a2a2a2a2\
 308                         a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a0000000000000000000000000000000000\
 309                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 310                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 311                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 312                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 313                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 314                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 315                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 316                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 317                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 318                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 319                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 320                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 321                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 322                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 323                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 324                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 325                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 326                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 327                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 328                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 329                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 330                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 331                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 332                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 333                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 334                         000000000000000000000000000000000000000005600000000000000000000000000000000000000000000\
 335                         000000000000000000";
 336                 let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
 337                 super::do_test(&<Vec<u8>>::from_hex(one_hop_om).unwrap(), &logger);
 338                 {
 339                         let log_entries = logger.lines.lock().unwrap();
 340                         assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(),
 341                                                 "Received an onion message with path_id None and a reply_path: Custom(TestCustomMessage)"
 342                                                 .to_string())), Some(&1));
 343                         assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(),
 344                                                 "Constructing onion message when responding with Custom Message to an onion message with path_id None: TestCustomMessage".to_string())), Some(&1));
 345                         assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(),
 346                                                 "Buffered onion message when responding with Custom Message to an onion message with path_id None".to_string())), Some(&1));
 347                 }
 348
 349                 let two_unblinded_hops_om = "\
 350                         020000000000000000000000000000000000000000000000000000000000000e01055600020000000000000\
 351                         000000000000000000000000000000000000000000000000e01350433042102020202020202020202020202\
 352                         02020202020202020202020202020202020202026d000000000000000000000000000000eb0000000000000\
 353                         000000000000000000000000000000000000000000000000036041096000000000000000000000000000000\
 354                         fd1092202a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a000000000000000\
 355                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 356                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 357                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 358                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 359                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 360                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 361                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 362                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 363                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 364                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 365                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 366                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 367                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 368                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 369                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 370                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 371                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 372                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 373                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 374                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 375                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 376                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 377                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 378                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 379                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 380                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 381                         000000000000000000000000000000000000000004800000000000000000000000000000000000000000000\
 382                         000000000000000000";
 383                 let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
 384                 super::do_test(&<Vec<u8>>::from_hex(two_unblinded_hops_om).unwrap(), &logger);
 385                 {
 386                         let log_entries = logger.lines.lock().unwrap();
 387                         assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(), "Forwarding an onion message to peer 020202020202020202020202020202020202020202020202020202020202020202".to_string())), Some(&1));
 388                 }
 389
 390                 let two_unblinded_two_blinded_om = "\
 391                         020000000000000000000000000000000000000000000000000000000000000e01055600020000000000000\
 392                         000000000000000000000000000000000000000000000000e01350433042102020202020202020202020202\
 393                         02020202020202020202020202020202020202026d0000000000000000000000000000009e0000000000000\
 394                         000000000000000000000000000000000000000000000000058045604210203030303030303030303030303\
 395                         030303030303030303030303030303030303020821020000000000000000000000000000000000000000000\
 396                         000000000000000000e0196000000000000000000000000000000e900000000000000000000000000000000\
 397                         000000000000000000000000000000350433042102040404040404040404040404040404040404040404040\
 398                         4040404040404040402ca000000000000000000000000000000420000000000000000000000000000000000\
 399                         00000000000000000000000000003604103f000000000000000000000000000000fd1092202a2a2a2a2a2a2\
 400                         a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a000000000000000000000000000000000000\
 401                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 402                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 403                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 404                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 405                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 406                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 407                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 408                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 409                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 410                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 411                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 412                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 413                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 414                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 415                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 416                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 417                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 418                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 419                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 420                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 421                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 422                         000000000000000000000000000000000000000004800000000000000000000000000000000000000000000\
 423                         000000000000000000";
 424                 let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
 425                 super::do_test(&<Vec<u8>>::from_hex(two_unblinded_two_blinded_om).unwrap(), &logger);
 426                 {
 427                         let log_entries = logger.lines.lock().unwrap();
 428                         assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(), "Forwarding an onion message to peer 020202020202020202020202020202020202020202020202020202020202020202".to_string())), Some(&1));
 429                 }
 430
 431                 let three_blinded_om = "\
 432                         020000000000000000000000000000000000000000000000000000000000000e01055600020000000000000\
 433                         000000000000000000000000000000000000000000000000e01350433042102020202020202020202020202\
 434                         02020202020202020202020202020202020202026d000000000000000000000000000000b20000000000000\
 435                         000000000000000000000000000000000000000000000000035043304210203030303030303030303030303\
 436                         030303030303030303030303030303030303029600000000000000000000000000000033000000000000000\
 437                         000000000000000000000000000000000000000000000003604104e000000000000000000000000000000fd\
 438                         1092202a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a00000000000000000\
 439                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 440                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 441                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 442                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 443                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 444                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 445                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 446                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 447                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 448                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 449                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 450                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 451                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 452                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 453                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 454                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 455                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 456                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 457                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 458                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 459                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 460                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 461                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 462                         000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\
 463                         000000000000000000000000000000000000000004800000000000000000000000000000000000000000000\
 464                         000000000000000000";
 465                 let logger = TrackingLogger { lines: Mutex::new(HashMap::new()) };
 466                 super::do_test(&<Vec<u8>>::from_hex(three_blinded_om).unwrap(), &logger);
 467                 {
 468                         let log_entries = logger.lines.lock().unwrap();
 469                         assert_eq!(log_entries.get(&("lightning::onion_message::messenger".to_string(), "Forwarding an onion message to peer 020202020202020202020202020202020202020202020202020202020202020202".to_string())), Some(&1));
 470                 }
 471         }
 472 }