diff --git a/JsClients/ERC20/src/erc20.ts b/JsClients/ERC20/src/erc20.ts
index 56fd575a..42d2f22d 100644
--- a/JsClients/ERC20/src/erc20.ts
+++ b/JsClients/ERC20/src/erc20.ts
@@ -369,7 +369,6 @@ class ERC20Client {
   //     amount: CLValueBuilder.u256(amount)
   //   });
 
-
   //   const deployHash = await contractCall({
   //     chainName: this.chainName,
   //     contractHash: this.contractHash,
diff --git a/JsClients/ERC20/test/installed.ts b/JsClients/ERC20/test/installed.ts
index f1689328..3ff1a362 100644
--- a/JsClients/ERC20/test/installed.ts
+++ b/JsClients/ERC20/test/installed.ts
@@ -70,7 +70,7 @@ const erc20 = new ERC20Client(
 
 const test = async () => {
 
-  await erc20.setContractHash(TOKEN1_CONTRACT!);
+  await erc20.setContractHash(TOKEN0_CONTRACT!);
   //getTotalSupply(TOKEN1_CONTRACT!);
   // // //name
   // // const name = await erc20.name();
@@ -133,16 +133,16 @@ const test = async () => {
   // // console.log(`... Total supply: ${totalSupply}`);
 
   //approve
-  const approveDeployHash = await erc20.approve(
-    ROUTERKEYS,
-    PACKAGE_HASH!,
-    AMOUNT_B_DESIRED!,
-    APPROVE_PAYMENT_AMOUNT!
-  );
-  console.log("... Approve deploy hash: ", approveDeployHash);
-
-  await getDeploy(NODE_ADDRESS!, approveDeployHash);
-  console.log("... Token approved successfully");
+  // const approveDeployHash = await erc20.approve(
+  //   ROUTERKEYS,
+  //   PACKAGE_HASH!,
+  //   AMOUNT_B_DESIRED!,
+  //   APPROVE_PAYMENT_AMOUNT!
+  // );
+  // console.log("... Approve deploy hash: ", approveDeployHash);
+
+  // await getDeploy(NODE_ADDRESS!, approveDeployHash);
+  // console.log("... Token approved successfully");
 
   // // //transfer
   // // const transferDeployHash = await erc20.transfer(
diff --git a/routes/pairroutes.js b/routes/pairroutes.js
index 8a79c78a..c7c3a000 100644
--- a/routes/pairroutes.js
+++ b/routes/pairroutes.js
@@ -70,9 +70,17 @@ router
           message: "spender not found in request body",
         });
       }
-
+      let data = await AllcontractsData.findOne({
+        packageHash: req.body.contractHash,
+      });
+      if (data == null) {
+        return res.status(400).json({
+          success: false,
+          message: "pair not found against this package hash ",
+        });
+      }
       let allowance = await pair.allowance(
-        req.body.contractHash,
+        data.contractHash,
         req.body.owner,
         req.body.spender
       );