clean up RPC structure

test/TestBackend.ts

@@ -1,6 +1,8 @@
 import { RPCServer } from '../src/Backend'
-import { SubscriptionResponse, ErrorResponse, SuccessResponse } from '../src/Responses'
+import { SubscriptionResponse, ErrorResponse, SuccessResponse } from '../src/Types'
 import { HookRPC } from '../src/Types'
+import * as uuidv4 from "uuid/v4"
+import { makeSubResponse } from '../src/Utils'
 
 let subcallback
 
@@ -14,19 +16,56 @@ new RPCServer(20000, [{
             name: 'simpleSubscribe',
             hook: async(callback) => {
                 subcallback =  callback
-                return new SubscriptionResponse(""+Math.random())
+                return makeSubResponse()
             }
         },{
             name: 'subscribe',
             hook: async (callback):Promise<any> => {
                 subcallback = callback
-                return new SubscriptionResponse(""+Math.random())
+                return makeSubResponse()
             },
             onClose: (res:SubscriptionResponse, rpc:HookRPC) => { 
                 console.log("Specific close handler for", rpc.name, res)
                 subcallback = null 
             },
-            onCallback: (...args) => { console.log.apply(console, args) }
+            onCallback: (...args:any) => { console.log.apply(console, args) }
+        },
+        function add(...args:number[]):number {return args.reduce((a,b)=>a+b, 0)},
+        function triggerCallback(...messages:any[]):number {return subcallback.apply({}, messages)},
+    ]
+}])
+
+new RPCServer<{ topic: string}>(20001, [{
+    name: "HelloWorldRPCGroup",
+    exportRPCs: () => [
+        {
+            name: 'echo',
+            call: async (s:string) => s,
+        },{
+            name: 'simpleSubscribe',
+            hook: async(callback) => {
+                subcallback =  callback
+                return {
+                    result: "Success",
+                    uuid: uuidv4(),
+                    topic: ""
+                }
+            }
+        },{
+            name: 'subscribe',
+            hook: async (callback) => {
+                subcallback = callback
+                return {
+                    result: "Success",
+                    uuid: uuidv4(),
+                    topic: ""
+                }
+            },
+            onClose: (res, rpc) => { 
+                console.log("Specific close handler for", rpc.name, res)
+                subcallback = null 
+            },
+            onCallback: (...args:any) => { console.log.apply(console, args) }
         },
         function add(...args:number[]):number {return args.reduce((a,b)=>a+b, 0)},
         function triggerCallback(...messages:any[]):number {return subcallback.apply({}, messages)},