fix(kad): re-expose Distance as KBucketDistance

Adds back in Distance as a public type. Follows `KBucketKey` naming for clarity.

Resolves #4108.

Pull-Request: #4109.


  
Co-Authored-By: Josh Wilson <[email protected]>
  

  
Co-Authored-By: Max Inden <[email protected]>

Author: joshuef

Cargo.lock

@@ -73,7 +73,7 @@ libp2p-floodsub = { version = "0.43.0", path = "protocols/floodsub" }
 libp2p-gossipsub = { version = "0.45.0", path = "protocols/gossipsub" }
 libp2p-identify = { version = "0.43.0", path = "protocols/identify" }
 libp2p-identity = { version = "0.2.0" }
-libp2p-kad = { version = "0.44.0", path = "protocols/kad" }
+libp2p-kad = { version = "0.44.1", path = "protocols/kad" }
 libp2p-mdns = { version = "0.44.0", path = "protocols/mdns" }
 libp2p-metrics = { version = "0.13.0", path = "misc/metrics" }
 libp2p-mplex = { version = "0.40.0", path = "muxers/mplex" }

Cargo.toml

@@ -1,4 +1,11 @@
-## 0.44.0 
+## 0.44.1
+
+- Expose `KBucketDistance`.
+  See [PR 4109].
+
+[PR 4109]: https://github.com/libp2p/rust-libp2p/pull/4109
+
+## 0.44.0
 
 - Raise MSRV to 1.65.
   See [PR 3715].

protocols/kad/CHANGELOG.md

@@ -3,7 +3,7 @@ name = "libp2p-kad"
 edition = "2021"
 rust-version = "1.65.0"
 description = "Kademlia protocol for libp2p"
-version = "0.44.0"
+version = "0.44.1"
 authors = ["Parity Technologies <[email protected]>"]
 license = "MIT"
 repository = "https://github.com/libp2p/rust-libp2p"

protocols/kad/Cargo.toml

@@ -76,7 +76,7 @@ pub use behaviour::{
     Kademlia, KademliaBucketInserts, KademliaCaching, KademliaConfig, KademliaEvent,
     KademliaStoreInserts, ProgressStep, Quorum,
 };
-pub use kbucket::{EntryView, KBucketRef, Key as KBucketKey};
+pub use kbucket::{Distance as KBucketDistance, EntryView, KBucketRef, Key as KBucketKey};
 pub use protocol::KadConnectionType;
 pub use query::QueryId;
 pub use record_priv::{store, Key as RecordKey, ProviderRecord, Record};