diff --git a/src/rpcQuery.ts b/src/rpcQuery.ts
index 917684f..1ab505e 100644
--- a/src/rpcQuery.ts
+++ b/src/rpcQuery.ts
@@ -2,6 +2,8 @@ import { clearTimeout, setTimeout } from "timers";
 import RpcNetwork from "./rpcNetwork.js";
 import { pack, unpack } from "msgpackr";
 import { RPCRequest, RPCResponse } from "./types";
+import { Buffer } from "buffer";
+import {blake2b} from "libskynet"
 
 export default class RpcQuery {
   private _network: RpcNetwork;
@@ -89,33 +91,43 @@ export default class RpcQuery {
   }
 
   private checkResponses() {
-    const responses: { [response: string]: number } = {};
     const responseStore = this._responses;
 
-    const responseStoreKeys = Object.keys(responseStore);
+    const responseStoreData = Object.values(responseStore);
 
-    // tslint:disable-next-line:forin
-    for (const peer in responseStore) {
-      const responseIndex = responseStoreKeys.indexOf(peer);
+    type ResponseGroup = { [response: string]: number };
 
-      responses[responseIndex] = responses[responseIndex] ?? 0;
-      responses[responseIndex]++;
-    }
-    for (const responseIndex in responses) {
+    const responseObjects = responseStoreData.reduce((output: any, item) => {
+      const hash = Buffer.from(blake2b(Buffer.from(JSON.stringify(item?.data)))).toString("hex");
+      output[hash] = item?.data;
+      return output;
+    }, {});
+    const responses: ResponseGroup = responseStoreData.reduce(
+      (output: ResponseGroup, item) => {
+        const hash = Buffer.from(blake2b(Buffer.from(JSON.stringify(item?.data)))).toString("hex");
+        output[hash] = output[hash] ?? 0;
+          output[hash]++;
+          return output;
+      },
+      {}
+    );
+
+    for (const responseHash in responses) {
       if (
-        responses[responseIndex] / responseStoreKeys.length >=
+        responses[responseHash] / responseStoreData.length >=
         this._network.majorityThreshold
       ) {
-        const response: RPCResponse | null =
-          responseStore[responseStoreKeys[parseInt(responseIndex, 10)]];
+        // @ts-ignore
+        const response: RPCResponse = responseObjects[responseHash];
 
         // @ts-ignore
-        if (null === response || null === response?.data) {
+        if (null === response) {
           this.retry();
           return;
         }
 
-        this.resolve(response?.data);
+        this.resolve(response);
+        break;
       }
     }
   }
@@ -130,3 +142,11 @@ export default class RpcQuery {
     this.init();
   }
 }
+
+function isPromise(obj: Promise<any>) {
+  return (
+    !!obj &&
+    (typeof obj === "object" || typeof obj === "function") &&
+    typeof obj.then === "function"
+  );
+}