+#[test]
+fn test_trampoline_onion_payload_serialization() {
+ // As per https://github.com/lightning/bolts/blob/c01d2e6267d4a8d1095f0f1188970055a9a22d29/bolt04/trampoline-payment-onion-test.json#L3
+ let trampoline_payload = OutboundTrampolinePayload::Forward {
+ amt_to_forward: 100000000,
+ outgoing_cltv_value: 800000,
+ outgoing_node_id: PublicKey::from_slice(&<Vec<u8>>::from_hex("02edabbd16b41c8371b92ef2f04c1185b4f03b6dcd52ba9b78d9d7c89c8f221145").unwrap()).unwrap(),
+ };
+
+ let slice_to_hex = |slice: &[u8]| {
+ slice.iter()
+ .map(|b| format!("{:02x}", b).to_string())
+ .collect::<String>()
+ };
+
+ let carol_payload_hex = slice_to_hex(&trampoline_payload.encode());
+ assert_eq!(carol_payload_hex, "2e020405f5e10004030c35000e2102edabbd16b41c8371b92ef2f04c1185b4f03b6dcd52ba9b78d9d7c89c8f221145");
+}
+