Merge pull request #2128 from valentinewallace/2023-03-route-blinding-groundwork

[rust-lightning] / lightning / src / ln / msgs.rs

diff --git a/lightning/src/ln/msgs.rs b/lightning/src/ln/msgs.rs
index 0635dafd7dbc8987d222c1be59268629fcb8cca8..aedd1e76e5b69a67eba89f886a12f9d8ea18c54e 100644 (file)
--- a/lightning/src/ln/msgs.rs
+++ b/lightning/src/ln/msgs.rs
@@ -973,7 +973,11 @@ pub struct UnsignedChannelAnnouncement {
        pub bitcoin_key_1: NodeId,
        /// The funding key for the second node
        pub bitcoin_key_2: NodeId,
-       pub(crate) excess_data: Vec<u8>,
+       /// Excess data which was signed as a part of the message which we do not (yet) understand how
+       /// to decode.
+       ///
+       /// This is stored to ensure forward-compatibility as new fields are added to the lightning gossip protocol.
+       pub excess_data: Vec<u8>,
 }
 /// A [`channel_announcement`] message to be sent to or received from a peer.
 ///