feat: add discovery

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/churn/src/grpc/churn.v1.rs

@@ -32,5 +32,19 @@ pub struct SetKeyRequest {
 #[derive(Clone, Copy, PartialEq, ::prost::Message)]
 pub struct SetKeyResponse {
 }
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ListenEventsRequest {
+    #[prost(string, tag="1")]
+    pub namespace: ::prost::alloc::string::String,
+    #[prost(string, optional, tag="2")]
+    pub id: ::core::option::Option<::prost::alloc::string::String>,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ListenEventsResponse {
+    #[prost(string, tag="1")]
+    pub value: ::prost::alloc::string::String,
+}
 include!("churn.v1.tonic.rs");
 // @@protoc_insertion_point(module)

crates/churn/src/grpc/churn.v1.tonic.rs

@@ -122,6 +122,31 @@ pub mod churn_client {
             req.extensions_mut().insert(GrpcMethod::new("churn.v1.Churn", "SetKey"));
             self.inner.unary(req, path, codec).await
         }
+        pub async fn listen_events(
+            &mut self,
+            request: impl tonic::IntoRequest<super::ListenEventsRequest>,
+        ) -> std::result::Result<
+            tonic::Response<tonic::codec::Streaming<super::ListenEventsResponse>>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::new(
+                        tonic::Code::Unknown,
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/churn.v1.Churn/ListenEvents",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("churn.v1.Churn", "ListenEvents"));
+            self.inner.server_streaming(req, path, codec).await
+        }
     }
 }
 /// Generated server implementations.
@@ -139,6 +164,19 @@ pub mod churn_server {
             &self,
             request: tonic::Request<super::SetKeyRequest>,
         ) -> std::result::Result<tonic::Response<super::SetKeyResponse>, tonic::Status>;
+        /// Server streaming response type for the ListenEvents method.
+        type ListenEventsStream: tonic::codegen::tokio_stream::Stream<
+                Item = std::result::Result<super::ListenEventsResponse, tonic::Status>,
+            >
+            + Send
+            + 'static;
+        async fn listen_events(
+            &self,
+            request: tonic::Request<super::ListenEventsRequest>,
+        ) -> std::result::Result<
+            tonic::Response<Self::ListenEventsStream>,
+            tonic::Status,
+        >;
     }
     #[derive(Debug)]
     pub struct ChurnServer<T: Churn> {
@@ -307,6 +345,53 @@ pub mod churn_server {
                     };
                     Box::pin(fut)
                 }
+                "/churn.v1.Churn/ListenEvents" => {
+                    #[allow(non_camel_case_types)]
+                    struct ListenEventsSvc<T: Churn>(pub Arc<T>);
+                    impl<
+                        T: Churn,
+                    > tonic::server::ServerStreamingService<super::ListenEventsRequest>
+                    for ListenEventsSvc<T> {
+                        type Response = super::ListenEventsResponse;
+                        type ResponseStream = T::ListenEventsStream;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::ResponseStream>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::ListenEventsRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as Churn>::listen_events(&inner, request).await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let inner = inner.0;
+                        let method = ListenEventsSvc(inner);
+                        let codec = tonic::codec::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.server_streaming(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
                 _ => {
                     Box::pin(async move {
                         Ok(