refactor(rpc): downgrade single mod files (#866)

crates/net/rpc/src/admin.rs

@@ -3,7 +3,10 @@ use reth_network::{peers::PeerKind, NetworkHandle};
 use reth_primitives::NodeRecord;
 use reth_rpc_api::AdminApiServer;
 
-struct AdminApi {
+/// `admin` API implementation.
+///
+/// This type provides the functionality for handling `admin` related requests.
+pub struct AdminApi {
     /// An interface to interact with the network
     network: NetworkHandle,
 }
@@ -36,3 +39,9 @@ impl AdminApiServer for AdminApi {
         todo!()
     }
 }
+
+impl std::fmt::Debug for AdminApi {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("AdminApi").finish_non_exhaustive()
+    }
+}

crates/net/rpc/src/lib.rs

@@ -16,6 +16,7 @@ mod engine;
 mod eth;
 mod net;
 
+pub use admin::AdminApi;
 pub use engine::EngineApi;
 pub use eth::{EthApi, EthApiSpec, EthPubSub};
 pub use net::NetApi;