X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fblinded_path%2Fmod.rs;h=29caafa4a4fc3ef61bf524de1469c4edaba89f5e;hb=bfff6fda6e2e6183285be59a999d5b74feb08779;hp=07fa7b770249cae94e1ea18269b63805dc933f93;hpb=59778dac488cff735004671cdefb3f4ac1f920fd;p=rust-lightning

diff --git a/lightning/src/blinded_path/mod.rs b/lightning/src/blinded_path/mod.rs
index 07fa7b77..29caafa4 100644
--- a/lightning/src/blinded_path/mod.rs
+++ b/lightning/src/blinded_path/mod.rs
@@ -14,6 +14,7 @@ pub(crate) mod message;
 pub(crate) mod utils;
 
 use bitcoin::secp256k1::{self, PublicKey, Secp256k1, SecretKey};
+use core::ops::Deref;
 
 use crate::ln::msgs::DecodeError;
 use crate::offers::invoice::BlindedPayInfo;
@@ -24,6 +25,17 @@ use crate::util::ser::{Readable, Writeable, Writer};
 use crate::io;
 use crate::prelude::*;
 
+/// The next hop to forward an onion message along its path.
+///
+/// Note that payment blinded paths always specify their next hop using an explicit node id.
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+pub enum NextMessageHop {
+	/// The node id of the next hop.
+	NodeId(PublicKey),
+	/// The short channel id leading to the next hop.
+	ShortChannelId(u64),
+}
+
 /// Onion messages and payments can be sent and received to blinded paths, which serve to hide the
 /// identity of the recipient.
 #[derive(Clone, Debug, Hash, PartialEq, Eq)]
@@ -89,6 +101,11 @@ impl NodeIdLookUp for EmptyNodeIdLookUp {
 	}
 }
 
+impl Deref for EmptyNodeIdLookUp {
+	type Target = EmptyNodeIdLookUp;
+	fn deref(&self) -> &Self { self }
+}
+
 /// An encrypted payload and node id corresponding to a hop in a payment or onion message path, to
 /// be encoded in the sender's onion packet. These hops cannot be identified by outside observers
 /// and thus can be used to hide the identity of the recipient.