feat: add contains fns to transport rpc modules (#12593)

crates/rpc/rpc-builder/src/lib.rs

@@ -1934,6 +1934,26 @@ impl TransportRpcModuleConfig {
         self.config.as_ref()
     }
 
+    /// Returns true if the given module is configured for any transport.
+    pub fn contains_any(&self, module: &RethRpcModule) -> bool {
+        self.contains_http(module) || self.contains_ws(module) || self.contains_ipc(module)
+    }
+
+    /// Returns true if the given module is configured for the http transport.
+    pub fn contains_http(&self, module: &RethRpcModule) -> bool {
+        self.http.as_ref().map_or(false, |http| http.contains(module))
+    }
+
+    /// Returns true if the given module is configured for the ws transport.
+    pub fn contains_ws(&self, module: &RethRpcModule) -> bool {
+        self.ws.as_ref().map_or(false, |ws| ws.contains(module))
+    }
+
+    /// Returns true if the given module is configured for the ipc transport.
+    pub fn contains_ipc(&self, module: &RethRpcModule) -> bool {
+        self.ipc.as_ref().map_or(false, |ipc| ipc.contains(module))
+    }
+
     /// Ensures that both http and ws are configured and that they are configured to use the same
     /// port.
     fn ensure_ws_http_identical(&self) -> Result<(), WsHttpSamePortError> {

crates/rpc/rpc-server-types/src/module.rs

@@ -140,6 +140,15 @@ impl RpcModuleSelection {
             (None, None) => true,
         }
     }
+
+    /// Returns true if the selection contains the given module.
+    pub fn contains(&self, module: &RethRpcModule) -> bool {
+        match self {
+            Self::All => true,
+            Self::Standard => Self::STANDARD_MODULES.contains(module),
+            Self::Selection(s) => s.contains(module),
+        }
+    }
 }
 
 impl From<&HashSet<RethRpcModule>> for RpcModuleSelection {