diff --git a/contracts/optimism/connectors/connext/helpers.sol b/contracts/optimism/connectors/connext/helpers.sol
index 1f6675a6..ade23a87 100644
--- a/contracts/optimism/connectors/connext/helpers.sol
+++ b/contracts/optimism/connectors/connext/helpers.sol
@@ -22,12 +22,12 @@ contract Helpers is DSMath, Basic {
 
 	/**
 	 * @param destination The destination domain ID.
-	 * @param asset he address of token to be bridged.(For USDC: 0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174)
-	 * @param delegate The address to recieve the token on destination chain.
-	 * @param amount The total amount sent by user (Includes bonder fee, destination chain Tx cost).
-	 * @param slippage The fee to be recieved by bonder at destination chain.
+	 * @param asset The address of token to be bridged.
+	 * @param delegate Address that can revert or forceLocal on destination.
+	 * @param amount The amount to transfer.
+	 * @param slippage Maximum amount of slippage the user will accept in BPS.
 	 * @param relayerFee Relayer fee paid in origin native asset.
-	 * @param callData minimum amount of token out for swap on source chain.
+	 * @param callData Encoded calldata to send.
 	 */
 	struct XCallParams {
     uint32 destination;
diff --git a/test/optimism/connext/connext.test.ts b/test/optimism/connext/connext.test.ts
new file mode 100644
index 00000000..444ee7a9
--- /dev/null
+++ b/test/optimism/connext/connext.test.ts
@@ -0,0 +1,127 @@
+import { expect } from "chai";
+import hre from "hardhat";
+const { ethers } = hre;
+
+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/polygon/addresses";
+import { abis } from "../../../scripts/constant/abis";
+import { ConnectV2ConnextOptimism__factory } from "../../../typechain";
+import { Signer, Contract } from "ethers";
+
+describe("Connext Connector [Optimism]", function () {
+  const connectorName = "CONNEXT-TEST-A";
+
+  let wallet0: Signer, wallet1:Signer;
+  let dsaWallet0: Contract;
+  let masterSigner: Signer;
+  let instaConnectorsV2: Contract;
+  let connector: Contract;
+
+  const connextAddr = "0x8f7492DE823025b4CfaAB1D34c58963F2af5DEDA";
+  const usdcAddr = "0x7F5c764cBc14f9669B88837ca1490cCa17c31607";
+  const ethAddr = "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE";
+  const wethAddr = "0x4200000000000000000000000000000000000006";
+
+  const usdc = new ethers.Contract(usdcAddr, abis.basic.erc20);
+  const weth = new ethers.Contract(wethAddr, abis.basic.erc20);
+
+  before(async () => {
+    await hre.network.provider.request({
+      method: "hardhat_reset",
+      params: [
+        {
+          forking: {
+            // @ts-ignore
+            jsonRpcUrl: hre.config.networks.hardhat.forking.url,
+            blockNumber: 12230000
+          }
+        }
+      ]
+    });
+
+    [wallet0, wallet1] = await ethers.getSigners();
+    masterSigner = await getMasterSigner();
+
+    instaConnectorsV2 = await ethers.getContractAt(
+      abis.core.connectorsV2, 
+      addresses.core.connectorsV2
+    );
+    connector = await deployAndEnableConnector({
+      connectorName,
+      contractArtifact: ConnectV2ConnextOptimism__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(!!(await masterSigner.getAddress())).to.be.true;
+  });
+
+  describe("DSA wallet setup", function () {
+    it("Should build DSA v2", async function () {
+      dsaWallet0 = await buildDSAv2(wallet0.getAddress());
+      expect(!!dsaWallet0.address).to.be.true;
+    });
+
+    it("Deposit ETH & USDC into DSA wallet", async function() {
+      await wallet0.sendTransaction({
+        to: dsaWallet0.address,
+        value: ethers.utils.parseEther("10"),
+      });
+      expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.gte(
+        ethers.utils.parseEther("10")
+      );
+
+      // await addLiquidity(
+      //   "usdc",
+      //   dsaWallet0.address,
+      //   ethers.utils.parseEther("100000")
+      // );
+    });
+  });
+
+  describe("Main", function () {
+
+    it("should xcall with eth", async function () {
+      const amount = ethers.utils.parseEther("10");
+      const domainId = 6648936;
+      const slippage = 10000;
+      const relayerFee = ethers.utils.parseEther("1");;
+      const getId = 0;
+      const callData = "0x";
+
+      const wallet0Address = await wallet0.getAddress();
+
+      const xcallParams: any = [
+        domainId,
+        wallet0Address,
+        ethAddr,
+        wallet0Address,
+        amount,
+        slippage,
+        relayerFee,
+        callData
+      ];
+
+      const spells = [
+        {
+          connector: connectorName,
+          method: "xcall",
+          args: [xcallParams, getId]
+        }
+      ];
+
+      const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet0Address);
+      const receipt = await tx.wait();
+    });
+  });
+});