feat(kad): impl Copy for kademlia query progression types

Implement `Copy` for the following basic kademlia types in `OutboundQueryProgressed`:
- QueryStats
- ProgressStep

Pull-Request: #6083.

Author: tqwewe

Cargo.lock

@@ -85,7 +85,7 @@ libp2p-floodsub = { version = "0.47.0", path = "protocols/floodsub" }
 libp2p-gossipsub = { version = "0.49.0", path = "protocols/gossipsub" }
 libp2p-identify = { version = "0.47.0", path = "protocols/identify" }
 libp2p-identity = { version = "0.2.12" }
-libp2p-kad = { version = "0.48.0", path = "protocols/kad" }
+libp2p-kad = { version = "0.48.1", path = "protocols/kad" }
 libp2p-mdns = { version = "0.48.0", path = "protocols/mdns" }
 libp2p-memory-connection-limits = { version = "0.5.0", path = "misc/memory-connection-limits" }
 libp2p-metrics = { version = "0.17.0", path = "misc/metrics" }

Cargo.toml

@@ -1,3 +1,8 @@
+## 0.48.1
+
+- Implement `Copy` for `QueryStats` and `ProgressStep`
+  See [PR 6083](https://github.com/libp2p/rust-libp2p/pull/6083)
+
 ## 0.48.0
 
 - Configurable outbound_substreams_timeout.

protocols/kad/CHANGELOG.md

@@ -3,7 +3,7 @@ name = "libp2p-kad"
 edition.workspace = true
 rust-version = { workspace = true }
 description = "Kademlia protocol for libp2p"
-version = "0.48.0"
+version = "0.48.1"
 authors = ["Parity Technologies <admin@parity.io>"]
 license = "MIT"
 repository = "https://github.com/libp2p/rust-libp2p"

protocols/kad/Cargo.toml

@@ -823,7 +823,7 @@ where
         } else {
             QueryInfo::GetRecord {
                 key,
-                step: step.clone(),
+                step,
                 found_a_record: false,
                 cache_candidates: BTreeMap::new(),
             }
@@ -1079,7 +1079,7 @@ where
             key: key.clone(),
             providers_found: providers.len(),
             step: if providers.is_empty() {
-                step.clone()
+                step
             } else {
                 step.next()
             },
@@ -2367,7 +2367,7 @@ where
                 let peers = closer_peers.iter().chain(provider_peers.iter());
                 self.discovered(&query_id, &source, peers);
                 if let Some(query) = self.queries.get_mut(&query_id) {
-                    let stats = query.stats().clone();
+                    let stats = *query.stats();
                     if let QueryInfo::GetProviders {
                         ref key,
                         ref mut providers_found,
@@ -2387,7 +2387,7 @@ where
                                         providers,
                                     },
                                 )),
-                                step: step.clone(),
+                                step: *step,
                                 stats,
                             },
                         ));
@@ -2461,7 +2461,7 @@ where
                 query_id,
             } => {
                 if let Some(query) = self.queries.get_mut(&query_id) {
-                    let stats = query.stats().clone();
+                    let stats = *query.stats();
                     if let QueryInfo::GetRecord {
                         key,
                         ref mut step,
@@ -2482,7 +2482,7 @@ where
                                     result: QueryResult::GetRecord(Ok(GetRecordOk::FoundRecord(
                                         record,
                                     ))),
-                                    step: step.clone(),
+                                    step: *step,
                                     stats,
                                 },
                             ));
@@ -2830,7 +2830,7 @@ pub enum Event {
 }
 
 /// Information about progress events.
-#[derive(Debug, Clone)]
+#[derive(Clone, Copy, Debug)]
 pub struct ProgressStep {
     /// The index into the event
     pub count: NonZeroUsize,

protocols/kad/src/behaviour.rs

@@ -464,7 +464,7 @@ impl Query {
 }
 
 /// Execution statistics of a query.
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub struct QueryStats {
     requests: u32,
     success: u32,