feat(gossipsub): deprecate Rpc in preparation for making it private

Pull-Request: #4833.

Cargo.toml

@@ -79,7 +79,7 @@ libp2p-core = { version = "0.41.1", path = "core" }
 libp2p-dcutr = { version = "0.11.0", path = "protocols/dcutr" }
 libp2p-dns = { version = "0.41.1", path = "transports/dns" }
 libp2p-floodsub = { version = "0.44.0", path = "protocols/floodsub" }
-libp2p-gossipsub = { version = "0.46.0", path = "protocols/gossipsub" }
+libp2p-gossipsub = { version = "0.46.1", path = "protocols/gossipsub" }
 libp2p-identify = { version = "0.44.0", path = "protocols/identify" }
 libp2p-identity = { version = "0.2.8" }
 libp2p-kad = { version = "0.45.1", path = "protocols/kad" }

protocols/gossipsub/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 0.46.1 - unreleased
+
+- Deprecate `Rpc` in preparation for removing it from the public API because it is an internal type.
+  See [PR 4833](https://github.com/libp2p/rust-libp2p/pull/4833). 
+
 ## 0.46.0
 
 - Remove `fast_message_id_fn` mechanism from `Config`.

protocols/gossipsub/Cargo.toml

@@ -3,7 +3,7 @@ name = "libp2p-gossipsub"
 edition = "2021"
 rust-version = { workspace = true }
 description = "Gossipsub protocol for libp2p"
-version = "0.46.0"
+version = "0.46.1"
 authors = ["Age Manning <[email protected]>"]
 license = "MIT"
 repository = "https://github.com/libp2p/rust-libp2p"

protocols/gossipsub/src/lib.rs

@@ -125,7 +125,10 @@ pub use self::subscription_filter::{
 };
 pub use self::topic::{Hasher, Topic, TopicHash};
 pub use self::transform::{DataTransform, IdentityTransform};
-pub use self::types::{Message, MessageAcceptance, MessageId, RawMessage, Rpc};
+pub use self::types::{Message, MessageAcceptance, MessageId, RawMessage};
+
+#[deprecated(note = "Will be removed from the public API.")]
+pub type Rpc = self::types::Rpc;
 
 pub type IdentTopic = Topic<self::topic::IdentityHash>;
 pub type Sha256Topic = Topic<self::topic::Sha256Hash>;