chore: identify::Config fields private (#5663)

## Description

Closes #5660 

## Change checklist

- [x] I have performed a self-review of my own code
- [x] I have made corresponding changes to the documentation
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] A changelog entry has been made in the appropriate crates

Author: kamuik16

Cargo.lock

@@ -84,7 +84,7 @@ libp2p-dcutr = { version = "0.12.0", path = "protocols/dcutr" }
 libp2p-dns = { version = "0.42.0", path = "transports/dns" }
 libp2p-floodsub = { version = "0.45.0", path = "protocols/floodsub" }
 libp2p-gossipsub = { version = "0.48.0", path = "protocols/gossipsub" }
-libp2p-identify = { version = "0.45.1", path = "protocols/identify" }
+libp2p-identify = { version = "0.46.0", path = "protocols/identify" }
 libp2p-identity = { version = "0.2.9" }
 libp2p-kad = { version = "0.47.0", path = "protocols/kad" }
 libp2p-mdns = { version = "0.46.0", path = "protocols/mdns" }

Cargo.toml

@@ -1,3 +1,8 @@
+## 0.46.0
+
+- Make `identify::Config` fields private and add getter functions.
+  See [PR 5663](https://github.com/libp2p/rust-libp2p/pull/5663).
+
 ## 0.45.1
 
 - Add `hide_listen_addrs` option to prevent leaking (local) listen addresses.

protocols/identify/CHANGELOG.md

@@ -3,7 +3,7 @@ name = "libp2p-identify"
 edition = "2021"
 rust-version = { workspace = true }
 description = "Nodes identification protocol for libp2p"
-version = "0.45.1"
+version = "0.46.0"
 authors = ["Parity Technologies <[email protected]>"]
 license = "MIT"
 repository = "https://github.com/libp2p/rust-libp2p"

protocols/identify/Cargo.toml

@@ -117,20 +117,20 @@ pub struct Behaviour {
 pub struct Config {
     /// Application-specific version of the protocol family used by the peer,
     /// e.g. `ipfs/1.0.0` or `polkadot/1.0.0`.
-    pub protocol_version: String,
+    protocol_version: String,
     /// The public key of the local node. To report on the wire.
-    pub local_public_key: PublicKey,
+    local_public_key: PublicKey,
     /// Name and version of the local peer implementation, similar to the
     /// `User-Agent` header in the HTTP protocol.
     ///
     /// Defaults to `rust-libp2p/<libp2p-identify-version>`.
-    pub agent_version: String,
+    agent_version: String,
     /// The interval at which identification requests are sent to
     /// the remote on established connections after the first request,
     /// i.e. the delay between identification requests.
     ///
     /// Defaults to 5 minutes.
-    pub interval: Duration,
+    interval: Duration,
 
     /// Whether new or expired listen addresses of the local node should
     /// trigger an active push of an identify message to all connected peers.
@@ -140,19 +140,19 @@ pub struct Config {
     /// i.e. before the next periodic identify request with each peer.
     ///
     /// Disabled by default.
-    pub push_listen_addr_updates: bool,
+    push_listen_addr_updates: bool,
 
     /// How many entries of discovered peers to keep before we discard
     /// the least-recently used one.
     ///
     /// Disabled by default.
-    pub cache_size: usize,
+    cache_size: usize,
 
     /// Whether to include our listen addresses in our responses. If enabled,
     /// we will effectively only share our external addresses.
     ///
     /// Disabled by default.
-    pub hide_listen_addrs: bool,
+    hide_listen_addrs: bool,
 }
 
 impl Config {
@@ -202,6 +202,41 @@ impl Config {
         self.hide_listen_addrs = b;
         self
     }
+
+    /// Get the protocol version of the Config.
+    pub fn protocol_version(&self) -> &str {
+        &self.protocol_version
+    }
+
+    /// Get the local public key of the Config.
+    pub fn local_public_key(&self) -> &PublicKey {
+        &self.local_public_key
+    }
+
+    /// Get the agent version of the Config.
+    pub fn agent_version(&self) -> &str {
+        &self.agent_version
+    }
+
+    /// Get the interval of the Config.
+    pub fn interval(&self) -> Duration {
+        self.interval
+    }
+
+    /// Get the push listen address updates boolean value of the Config.
+    pub fn push_listen_addr_updates(&self) -> bool {
+        self.push_listen_addr_updates
+    }
+
+    /// Get the cache size of the Config.
+    pub fn cache_size(&self) -> usize {
+        self.cache_size
+    }
+
+    /// Get the hide listen address boolean value of the Config.
+    pub fn hide_listen_addrs(&self) -> bool {
+        self.hide_listen_addrs
+    }
 }
 
 impl Behaviour {