+ #[test]
+ fn encoding_final_onion_hop_data_with_trampoline_packet() {
+ let secp_ctx = Secp256k1::new();
+ let (_private_key, public_key) = get_keys_from!("0101010101010101010101010101010101010101010101010101010101010101", secp_ctx);
+
+ let compressed_public_key = public_key.serialize();
+ assert_eq!(compressed_public_key.len(), 33);
+
+ let trampoline_packet = TrampolineOnionPacket {
+ version: 0,
+ public_key,
+ hop_data: vec![1; 650], // this should be the standard encoded length
+ hmac: [2; 32],
+ };
+ let encoded_trampoline_packet = trampoline_packet.encode();
+ assert_eq!(encoded_trampoline_packet.len(), 716);
+
+ let msg = msgs::OutboundOnionPayload::TrampolineEntrypoint {
+ multipath_trampoline_data: None,
+ amt_to_forward: 0x0badf00d01020304,
+ outgoing_cltv_value: 0xffffffff,
+ trampoline_packet,
+ };
+ let encoded_payload = msg.encode();
+
+ let trampoline_type_bytes = &encoded_payload[19..=19];
+ let mut trampoline_type_cursor = Cursor::new(trampoline_type_bytes);
+ let trampoline_type_big_size: BigSize = Readable::read(&mut trampoline_type_cursor).unwrap();
+ assert_eq!(trampoline_type_big_size.0, 20);
+
+ let trampoline_length_bytes = &encoded_payload[20..=22];
+ let mut trampoline_length_cursor = Cursor::new(trampoline_length_bytes);
+ let trampoline_length_big_size: BigSize = Readable::read(&mut trampoline_length_cursor).unwrap();
+ assert_eq!(trampoline_length_big_size.0, encoded_trampoline_packet.len() as u64);
+ }
+
+ #[test]
+ fn encoding_final_onion_hop_data_with_eclair_trampoline_packet() {
+ let public_key = PublicKey::from_slice(&<Vec<u8>>::from_hex("02eec7245d6b7d2ccb30380bfbe2a3648cd7a942653f5aa340edcea1f283686619").unwrap()).unwrap();
+ let hop_data = <Vec<u8>>::from_hex("cff34152f3a36e52ca94e74927203a560392b9cc7ce3c45809c6be52166c24a595716880f95f178bf5b30ca63141f74db6e92795c6130877cfdac3d4bd3087ee73c65d627ddd709112a848cc99e303f3706509aa43ba7c8a88cba175fccf9a8f5016ef06d3b935dbb15196d7ce16dc1a7157845566901d7b2197e52cab4ce487014b14816e5805f9fcacb4f8f88b8ff176f1b94f6ce6b00bc43221130c17d20ef629db7c5f7eafaa166578c720619561dd14b3277db557ec7dcdb793771aef0f2f667cfdbeae3ac8d331c5994779dffb31e5fc0dbdedc0c592ca6d21c18e47fe3528d6975c19517d7e2ea8c5391cf17d0fe30c80913ed887234ccb48808f7ef9425bcd815c3b586210979e3bb286ef2851bf9ce04e28c40a203df98fd648d2f1936fd2f1def0e77eecb277229b4b682322371c0a1dbfcd723a991993df8cc1f2696b84b055b40a1792a29f710295a18fbd351b0f3ff34cd13941131b8278ba79303c89117120eea691738a9954908195143b039dbeed98f26a92585f3d15cf742c953799d3272e0545e9b744be9d3b4c").unwrap();
+ let hmac_vector = <Vec<u8>>::from_hex("bb079bfc4b35190eee9f59a1d7b41ba2f773179f322dafb4b1af900c289ebd6c").unwrap();
+ let mut hmac = [0; 32];
+ hmac.copy_from_slice(&hmac_vector);
+
+ let compressed_public_key = public_key.serialize();
+ assert_eq!(compressed_public_key.len(), 33);
+
+ let trampoline_packet = TrampolineOnionPacket {
+ version: 0,
+ public_key,
+ hop_data,
+ hmac,
+ };
+ let encoded_trampoline_packet = trampoline_packet.encode();
+ let expected_eclair_trampoline_packet = <Vec<u8>>::from_hex("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").unwrap();
+ assert_eq!(encoded_trampoline_packet, expected_eclair_trampoline_packet);
+ }
+