Add failure mode info to BlindedForward struct.

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

diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs
index 9a13d19f3b81e5732aa80a2a8ae40a6aaf1cc222..fb49fe568ce9868e82263a5271488adcb28f203d 100644 (file)
--- a/lightning/src/ln/channelmanager.rs
+++ b/lightning/src/ln/channelmanager.rs
@@ -202,7 +202,9 @@ pub struct BlindedForward {
        /// onion payload if we're the introduction node. Useful for calculating the next hop's
        /// [`msgs::UpdateAddHTLC::blinding_point`].
        pub inbound_blinding_point: PublicKey,
-       // Another field will be added here when we support forwarding as a non-intro node.
+       /// If needed, this determines how this HTLC should be failed backwards, based on whether we are
+       /// the introduction node.
+       pub failure: BlindedFailure,
 }
 
 impl PendingHTLCRouting {
@@ -9500,6 +9502,7 @@ impl_writeable_tlv_based!(PhantomRouteHints, {
 
 impl_writeable_tlv_based!(BlindedForward, {
        (0, inbound_blinding_point, required),
+       (1, failure, (default_value, BlindedFailure::FromIntroductionNode)),
 });
 
 impl_writeable_tlv_based_enum!(PendingHTLCRouting,