diff --git a/test/mainnet/0x/zeroEx.test.ts b/test/mainnet/0x/zeroEx.test.ts
new file mode 100644
index 00000000..557fe460
--- /dev/null
+++ b/test/mainnet/0x/zeroEx.test.ts
@@ -0,0 +1,165 @@
+import { expect } from "chai";
+import hre from "hardhat";
+const { web3, deployments, waffle, ethers } = hre; //check
+const { provider, deployContract } = waffle
+import axios from "axios";
+import { BigNumber } from "bignumber.js";
+import { ConnectV2ZeroEx, ConnectV2ZeroEx__factory } from "../../../typechain";
+
+import { deployAndEnableConnector } from "../../../scripts/tests/deployAndEnableConnector";
+import { buildDSAv2 } from "../../../scripts/tests/buildDSAv2";
+import { encodeSpells } from "../../../scripts/tests/encodeSpells";
+import { getMasterSigner } from "../../../scripts/tests/getMasterSigner";
+import { addLiquidity } from "../../../scripts/tests/addLiquidity";
+
+import { addresses } from "../../../scripts/tests/mainnet/addresses";
+import { abis } from "../../../scripts/constant/abis";
+import { tokens } from "../../../scripts/tests/mainnet/tokens";
+import { constants } from "../../../scripts/constant/constant";
+
+
+describe("ZeroEx", function() {
+  const connectorName = "zeroEx-test";
+
+  let dsaWallet0 : any;
+  let masterSigner:any;
+  let instaConnectorsV2 : any;
+  let connector:any;
+
+  const wallets = provider.getWallets();
+  const [wallet0, wallet1, wallet2, wallet3] = wallets;
+
+  before(async () => {
+    await hre.network.provider.request({
+      method: "hardhat_reset",
+      params: [
+        {
+          forking: {
+            // @ts-ignore
+            jsonRpcUrl: hre.config.networks.forking.url,
+            blockNumber: 13300000,
+          },
+        },
+      ],
+    });
+    masterSigner = await getMasterSigner();
+    instaConnectorsV2 = await ethers.getContractAt(
+      abis.core.connectorsV2,
+      addresses.core.connectorsV2
+    );
+    connector = await deployAndEnableConnector({
+      connectorName,
+      contractArtifact: ConnectV2ZeroEx__factory,
+      signer: masterSigner,
+      connectors: instaConnectorsV2,
+    });
+    console.log("Connector address", connector.address);
+  });
+
+  it("Should have contracts deployed.", async function() {
+    expect(!!instaConnectorsV2.address).to.be.true;
+    expect(!!connector.address).to.be.true;
+    expect(!!masterSigner.address).to.be.true;
+  });
+
+  describe("DSA wallet setup", function() {
+    it("Should build DSA v2", async function() {
+      dsaWallet0 = await buildDSAv2(wallet0.address);
+      expect(!!dsaWallet0.address).to.be.true;
+    });
+
+    it("Deposit ETH into DSA wallet", async function() {
+      await wallet0.sendTransaction({
+        to: dsaWallet0.address,
+        value: ethers.utils.parseEther("10"),
+      });
+      console.log(dsaWallet0.address);
+      expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.gte(
+        ethers.utils.parseEther("10")
+      );
+    });
+  });
+
+  describe("Main", function() {
+    it("should swap", async function() {
+      async function getArg() {
+        const slippage = 0.5;
+
+        /* Eth -> dai */
+        const sellTokenAddress = "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE"; // eth,  decimals 18
+        const sellTokenDecimals = 18;
+        const buyTokenAddress = "0x6b175474e89094c44da98b954eedeac495271d0f"; // dai, decimals 18
+        const buyTokenDecimals = 18;
+        const amount = 1;
+
+        const srcAmount = new BigNumber(amount)
+          .times(new BigNumber(10).pow(sellTokenDecimals))
+          .toFixed(0);
+        console.log(srcAmount);
+
+        const fromAddress = dsaWallet0.address;
+
+        let url = `https://api.0x.org/swap/v1/quote`;
+
+        const params = {
+          buyToken: "DAI",
+          sellToken: "ETH",
+          sellAmount: "1000000000000000000", // Always denominated in wei
+        };
+
+        const buyTokenAmount = await axios
+          .get(url, { params: params })
+          .then((data:any) => data.data.buyAmount);
+
+        const calldata = await axios
+          .get(url, { params: params })
+          .then((data:any) => data.data.data);
+
+        console.log(calldata);
+
+        let caculateUnitAmt = () => {
+          const buyTokenAmountRes = new BigNumber(buyTokenAmount)
+            .dividedBy(new BigNumber(10).pow(buyTokenDecimals))
+            .toFixed(8);
+
+          let unitAmt: any = new BigNumber(buyTokenAmountRes).dividedBy(
+            new BigNumber(amount)
+          );
+
+          unitAmt = unitAmt.multipliedBy((100 - 0.3) / 100);
+          unitAmt = unitAmt.multipliedBy(1e18).toFixed(0);
+          return unitAmt;
+        };
+        let unitAmt = caculateUnitAmt();
+
+        console.log("unitAmt - " + unitAmt);
+
+        return [
+          buyTokenAddress,
+          sellTokenAddress,
+          srcAmount,
+          unitAmt,
+          calldata,
+          0,
+        ];
+      }
+
+      let arg = await getArg();
+      const spells = [
+        {
+          connector: connectorName,
+          method: "swap",
+          args: arg,
+        },
+      ];
+      const tx = await dsaWallet0
+        .connect(wallet0)
+        .cast(...encodeSpells(spells), wallet1.address);
+      const receipt = await tx.wait();
+      console.log(receipt);
+      expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.lte(
+        ethers.utils.parseEther("9")
+      );
+    });
+  });
+});