Test blinded Trampoline payload serialization.

diff --git a/lightning/src/ln/msgs.rs b/lightning/src/ln/msgs.rs
index 4706793a681d0e86249aeff392b7acbbb63cad77..7d6c045bfbd13a9a9d8b143c6709a803042f0a70 100644 (file)
--- a/lightning/src/ln/msgs.rs
+++ b/lightning/src/ln/msgs.rs
@@ -3333,7 +3333,7 @@ mod tests {
        use crate::ln::types::ChannelId;
        use crate::types::payment::{PaymentPreimage, PaymentHash, PaymentSecret};
        use crate::types::features::{ChannelFeatures, ChannelTypeFeatures, InitFeatures, NodeFeatures};
-       use crate::ln::msgs::{self, FinalOnionHopData, OnionErrorPacket, CommonOpenChannelFields, CommonAcceptChannelFields, TrampolineOnionPacket};
+       use crate::ln::msgs::{self, FinalOnionHopData, OnionErrorPacket, CommonOpenChannelFields, CommonAcceptChannelFields, OutboundTrampolinePayload, TrampolineOnionPacket};
        use crate::ln::msgs::SocketAddress;
        use crate::routing::gossip::{NodeAlias, NodeId};
        use crate::util::ser::{BigSize, FixedLengthReader, Hostname, LengthReadable, Readable, ReadableArgs, TransactionU16LenLimited, Writeable};
@@ -3359,6 +3359,8 @@ mod tests {
 
        #[cfg(feature = "std")]
        use std::net::{Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6, ToSocketAddrs};
+       use types::features::{BlindedHopFeatures, Bolt12InvoiceFeatures};
+       use crate::blinded_path::payment::{BlindedPayInfo, BlindedPaymentPath};
        #[cfg(feature = "std")]
        use crate::ln::msgs::SocketAddressParseError;
 
@@ -4706,6 +4708,36 @@ mod tests {
                assert_eq!(encoded_trampoline_packet, expected_eclair_trampoline_packet);
        }
 
+       #[test]
+       fn encoding_outbound_trampoline_payload() {
+               let mut trampoline_features = Bolt12InvoiceFeatures::empty();
+               trampoline_features.set_basic_mpp_optional();
+               let introduction_node = PublicKey::from_slice(&<Vec<u8>>::from_hex("032c0b7cf95324a07d05398b240174dc0c2be444d96b159aa6c7f7b1e668680991").unwrap()).unwrap();
+               let blinding_point = PublicKey::from_slice(&<Vec<u8>>::from_hex("02eec7245d6b7d2ccb30380bfbe2a3648cd7a942653f5aa340edcea1f283686619").unwrap()).unwrap();
+               let trampoline_payload = OutboundTrampolinePayload::LegacyBlindedPathEntry {
+                       amt_to_forward: 150_000_000,
+                       outgoing_cltv_value: 800_000,
+                       payment_paths: vec![
+                               BlindedPaymentPath::from_raw(
+                                       introduction_node,
+                                       blinding_point,
+                                       vec![],
+                                       BlindedPayInfo{
+                                               fee_base_msat: 500,
+                                               fee_proportional_millionths: 1_000,
+                                               cltv_expiry_delta: 36,
+                                               htlc_minimum_msat: 1,
+                                               htlc_maximum_msat: 500_000_000,
+                                               features: BlindedHopFeatures::empty(),
+                                       }
+                               )
+                       ],
+                       invoice_features: Some(trampoline_features),
+               };
+               let serialized_payload = trampoline_payload.encode().to_lower_hex_string();
+               assert_eq!(serialized_payload, "71020408f0d18004030c35001503020000165f032c0b7cf95324a07d05398b240174dc0c2be444d96b159aa6c7f7b1e66868099102eec7245d6b7d2ccb30380bfbe2a3648cd7a942653f5aa340edcea1f28368661900000001f4000003e800240000000000000001000000001dcd65000000");
+       }
+
        #[test]
        fn query_channel_range_end_blocknum() {
                let tests: Vec<(u32, u32, u32)> = vec![