X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fonion_utils.rs;h=74de4a923577269bedce2a4dccb1821d307f76b6;hb=beef584cf39497090636c2206e20f1b56ffccb92;hp=53ef0729aa171ba56ff33ba73a55cb4ed922df83;hpb=19bcb1c62f100dba5dfaf70e8899ae904e6d7f75;p=rust-lightning

diff --git a/lightning/src/ln/onion_utils.rs b/lightning/src/ln/onion_utils.rs
index 53ef0729..74de4a92 100644
--- a/lightning/src/ln/onion_utils.rs
+++ b/lightning/src/ln/onion_utils.rs
@@ -291,6 +291,24 @@ pub(super) fn construct_onion_packet(
 	)
 }
 
+#[allow(unused)]
+pub(super) fn construct_trampoline_onion_packet(
+	payloads: Vec<msgs::OutboundTrampolinePayload>, onion_keys: Vec<OnionKeys>,
+	prng_seed: [u8; 32], associated_data: &PaymentHash, length: u16,
+) -> Result<msgs::TrampolineOnionPacket, ()> {
+	let mut packet_data = vec![0u8; length as usize];
+
+	let mut chacha = ChaCha20::new(&prng_seed, &[0; 8]);
+	chacha.process(&vec![0u8; length as usize], &mut packet_data);
+
+	construct_onion_packet_with_init_noise::<_, _>(
+		payloads,
+		onion_keys,
+		packet_data,
+		Some(associated_data),
+	)
+}
+
 #[cfg(test)]
 /// Used in testing to write bogus `BogusOnionHopData` as well as `RawOnionHopData`, which is
 /// otherwise not representable in `msgs::OnionHopData`.