protocols/request-response: Remove throttled module (#2236)

Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
Co-authored-by: Max Inden <mail@max-inden.de>

Author: 3 people

protocols/request-response/CHANGELOG.md

@@ -8,7 +8,11 @@
 - Manually implement `Debug` for `RequestResponseHandlerEvent` and
   `RequestProtocol`. See [PR 2183].
 
+- Remove `RequestResponse::throttled` and the `throttled` module.
+  See [PR 2236].
+
 [PR 2183]: https://github.com/libp2p/rust-libp2p/pull/2183
+[PR 2236]: https://github.com/libp2p/rust-libp2p/pull/2236
 
 # 0.12.0 [2021-07-12]
 

protocols/request-response/Cargo.toml

@@ -17,7 +17,6 @@ libp2p-core = { version = "0.30.0", path = "../../core", default-features = fals
 libp2p-swarm = { version = "0.31.0", path = "../../swarm" }
 log = "0.4.11"
 lru = "0.6"
-minicbor = { version = "0.11", features = ["std", "derive"] }
 rand = "0.7"
 smallvec = "1.6.1"
 unsigned-varint = { version = "0.7", features = ["std", "futures"] }

protocols/request-response/src/lib.rs

@@ -58,11 +58,9 @@
 
 pub mod codec;
 pub mod handler;
-pub mod throttled;
 
 pub use codec::{ProtocolName, RequestResponseCodec};
 pub use handler::ProtocolSupport;
-pub use throttled::Throttled;
 
 use futures::channel::oneshot;
 use handler::{RequestProtocol, RequestResponseHandler, RequestResponseHandlerEvent};
@@ -248,11 +246,6 @@ impl<TResponse> ResponseChannel<TResponse> {
     pub fn is_open(&self) -> bool {
         !self.sender.is_canceled()
     }
-
-    /// Get the ID of the inbound request waiting for a response.
-    pub(crate) fn request_id(&self) -> RequestId {
-        self.request_id
-    }
 }
 
 /// The ID of an inbound or outbound request.
@@ -369,19 +362,6 @@ where
         }
     }
 
-    /// Creates a `RequestResponse` which limits requests per peer.
-    ///
-    /// The behaviour is wrapped in [`Throttled`] and detects the limits
-    /// per peer at runtime which are then enforced.
-    pub fn throttled<I>(c: TCodec, protos: I, cfg: RequestResponseConfig) -> Throttled<TCodec>
-    where
-        I: IntoIterator<Item = (TCodec::Protocol, ProtocolSupport)>,
-        TCodec: Send,
-        TCodec::Protocol: Sync,
-    {
-        Throttled::new(c, protos, cfg)
-    }
-
     /// Initiates sending a request.
     ///
     /// If the targeted peer is currently not connected, a dialing