list libp2p relays in document

1 files changed, 7 insertions, 0 deletions

diff --git a/src/transport/mod.rs b/src/transport/mod.rs
index 7cd976b..fb13ad9 100644
--- a/src/transport/mod.rs
+++ b/src/transport/mod.rs
@@ -683,6 +683,13 @@ pub(crate) trait Transport: Send + Sync {
         let _ = (peer, addresses);
     }
 
+    /// The relays listed for the swarm (`swarm::members::relays`), as addresses: under
+    /// the identity layer, each transport is given those with its scheme, without it.
+    /// By default nothing to learn.
+    fn learn_relays(&self, addresses: &[String]) {
+        let _ = addresses;
+    }
+
     /// Where messages to `peer` go now. None if nowhere, and by default, for a
     /// transport whose identities are addresses (`peer` is where they go).
     fn destination(&self, peer: &str) -> Option<Destination> {