From 442d6fe0bdc9cabcd12ca58160ff9a51b8aa5f64 Mon Sep 17 00:00:00 2001
From: bhavik-m <bhavikmehta2001@gmail.com>
Date: Thu, 13 Jan 2022 00:03:33 +0530
Subject: [PATCH 01/15] added uniswap v3 swap router connector

---
 .../uniswap/v3_auto_router/events.sol         | 12 ++++
 .../uniswap/v3_auto_router/helpers.sol        | 67 +++++++++++++++++++
 .../uniswap/v3_auto_router/interface.sol      | 12 ++++
 .../uniswap/v3_auto_router/main.sol           | 53 +++++++++++++++
 4 files changed, 144 insertions(+)
 create mode 100644 contracts/mainnet/connectors/uniswap/v3_auto_router/events.sol
 create mode 100644 contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
 create mode 100644 contracts/mainnet/connectors/uniswap/v3_auto_router/interface.sol
 create mode 100644 contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol

diff --git a/contracts/mainnet/connectors/uniswap/v3_auto_router/events.sol b/contracts/mainnet/connectors/uniswap/v3_auto_router/events.sol
new file mode 100644
index 00000000..3a2d14e0
--- /dev/null
+++ b/contracts/mainnet/connectors/uniswap/v3_auto_router/events.sol
@@ -0,0 +1,12 @@
+pragma solidity ^0.7.0;
+
+contract Events {
+    event LogSwap(
+        address indexed buyToken,
+        address indexed sellToken,
+        uint256 buyAmt,
+        uint256 sellAmt,
+        uint256 getId,
+        uint256 setId
+    );
+}
\ No newline at end of file
diff --git a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
new file mode 100644
index 00000000..7164fa8b
--- /dev/null
+++ b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
@@ -0,0 +1,67 @@
+pragma solidity ^0.7.0;
+
+import { TokenInterface } from "../../../common/interfaces.sol";
+import { DSMath } from "../../../common/math.sol";
+import { Basic } from "../../../common/basic.sol";
+
+
+abstract contract Helpers is DSMath, Basic {
+    /**
+     * @dev UniswapV3 Swap Router Address
+     */
+   address internal constant V3_SWAP_ROUTER_ADDRESS = 0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45;
+
+
+     /**
+     * @dev UniswapV3 swapHelper
+     * @param swapData - Struct defined in interfaces.sol
+     * @param ethAmt - Eth to swap for .value()
+     */
+    function _SwapHelper(
+        SwapData memory swapData,
+        uint ethAmt
+    ) internal returns (uint buyAmt) {
+        TokenInterface buyToken = swapData.buyToken;
+        (uint _buyDec, uint _sellDec) = getTokensDec(buyToken, swapData.sellToken);
+        uint _sellAmt18 = convertTo18(_sellDec, swapData._sellAmt);
+        uint _slippageAmt = convert18ToDec(_buyDec, wmul(swapData.unitAmt, _sellAmt18));
+
+        uint initalBal = getTokenBal(buyToken);
+
+        // solium-disable-next-line security/no-call-value
+        (bool success, ) = V3_SWAP_ROUTER_ADDRESS.call{value: ethAmt}(swapData.callData);
+        if (!success) revert("uniswapV3-swap-failed");
+
+        uint finalBal = getTokenBal(buyToken);
+
+        buyAmt = sub(finalBal, initalBal);
+
+        require(_slippageAmt <= buyAmt, "Too much slippage");
+    }
+
+     /**
+     * @dev Gets the swapping data from auto router sdk
+     * @param swapData Struct with multiple swap data defined in interfaces.sol 
+     * @param setId Set token amount at this ID in `InstaMemory` Contract.
+     */
+    function _Swap(
+        SwapData memory swapData,
+        uint setId
+    ) internal returns (SwapData memory) {
+        TokenInterface _sellAddr = swapData.sellToken;
+
+        uint ethAmt;
+        if (address(_sellAddr) == ethAddr) {
+            ethAmt = swapData._sellAmt;
+        } else {
+            approve(TokenInterface(_sellAddr), V3_SWAP_ROUTER_ADDRESS, swapData._sellAmt);
+        }
+
+        swapData._buyAmt = _SwapHelper(swapData, ethAmt);
+        setUint(setId, swapData._buyAmt);
+
+        return swapData;
+
+    }
+
+}
\ No newline at end of file
diff --git a/contracts/mainnet/connectors/uniswap/v3_auto_router/interface.sol b/contracts/mainnet/connectors/uniswap/v3_auto_router/interface.sol
new file mode 100644
index 00000000..08884306
--- /dev/null
+++ b/contracts/mainnet/connectors/uniswap/v3_auto_router/interface.sol
@@ -0,0 +1,12 @@
+pragma solidity ^0.7.0;
+
+import { TokenInterface } from "../../../common/interfaces.sol";
+
+struct SwapData {
+    TokenInterface sellToken;
+    TokenInterface buyToken;
+    uint _sellAmt;
+    uint _buyAmt;
+    uint unitAmt;
+    bytes callData;
+}
\ No newline at end of file
diff --git a/contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol b/contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol
new file mode 100644
index 00000000..536a56c9
--- /dev/null
+++ b/contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol
@@ -0,0 +1,53 @@
+pragma solidity ^0.7.0;
+pragma experimental ABIEncoderV2;
+
+/**
+ * @title UniswapV3_autoRouter.
+ * @dev DEX.
+ */
+
+// import files from common directory
+import { TokenInterface , MemoryInterface } from "../../../common/interfaces.sol";
+import { Stores } from "../../../common/stores.sol";
+import { SwapData } from "./interface.sol";
+import { Helpers } from "./helpers.sol";
+import { Events } from "./events.sol";
+
+abstract contract AutoRouter is Helpers, Events {
+    /**
+     * @dev Sell ETH/ERC20_Token using uniswap v3 auto router.
+     * @notice Swap tokens from getting an optimized trade routes
+     * @param buyAddr The address of the token to buy.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
+     * @param sellAddr The address of the token to sell.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
+     * @param sellAmt The amount of the token to sell.
+     * @param unitAmt The amount of buyAmt/sellAmt with slippage.
+     * @param callData Data from Uniswap V3 auto router SDK.
+     * @param setId ID stores the amount of token brought.
+    */
+    function sell(
+        address buyAddr,
+        address sellAddr,
+        uint sellAmt,
+        uint unitAmt,
+        bytes calldata callData,
+        uint setId
+    ) external payable returns (string memory _eventName, bytes memory _eventParam) {
+        SwapData memory swapData = SwapData({
+            buyToken: TokenInterface(buyAddr),
+            sellToken: TokenInterface(sellAddr),
+            unitAmt: unitAmt,
+            callData: callData,
+            _sellAmt: sellAmt,
+            _buyAmt: 0
+        });
+
+        swapData = _Swap(swapData, setId);
+
+        _eventName = "LogSwap(address,address,uint256,uint256,uint256,uint256)";
+        _eventParam = abi.encode(buyAddr, sellAddr, swapData._buyAmt, swapData._sellAmt, 0, setId);
+    }
+}
+
+contract ConnectV2UniswapV3AutoRouter is AutoRouter {
+    string public name = "UniswapV3-Auto-Router-v1";
+}

From 9c64ce7100e38e0dc311e9f85703b7cf08ea2ce0 Mon Sep 17 00:00:00 2001
From: bhavik-m <bhavikmehta2001@gmail.com>
Date: Thu, 13 Jan 2022 04:17:57 +0530
Subject: [PATCH 02/15] minor fix

---
 contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
index 7164fa8b..8d6fce04 100644
--- a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
+++ b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
@@ -3,7 +3,7 @@ pragma solidity ^0.7.0;
 import { TokenInterface } from "../../../common/interfaces.sol";
 import { DSMath } from "../../../common/math.sol";
 import { Basic } from "../../../common/basic.sol";
-
+import {SwapData} from "./interface.sol";
 
 abstract contract Helpers is DSMath, Basic {
     /**

From 2ceebccfbd1eb90c6f6004c63d1a4e7133b1ca51 Mon Sep 17 00:00:00 2001
From: bhavik <bhavikmehta2001@gmail.com>
Date: Fri, 14 Jan 2022 02:04:23 +0530
Subject: [PATCH 03/15] add tests

---
 .../uniswapV3Router/uniswapV3Router.test.ts   | 117 ++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 test/mainnet/uniswapV3Router/uniswapV3Router.test.ts

diff --git a/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts b/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
new file mode 100644
index 00000000..b70b2234
--- /dev/null
+++ b/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
@@ -0,0 +1,117 @@
+import hre from "hardhat";
+import axios from "axios";
+import { expect } from "chai";
+const { ethers } = hre; //check
+import { BigNumber } from "bignumber.js";
+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 { addresses } from "../../../scripts/tests/mainnet/addresses";
+import { addLiquidity } from "../../../scripts/tests/addLiquidity";
+import { abis } from "../../../scripts/constant/abis";
+import { ConnectV2UniswapV3AutoRouter__factory } from "../../../typechain";
+import er20abi from "../../../scripts/constant/abi/basics/erc20.json";
+import type { Signer, Contract } from "ethers";
+import { CurrencyAmount, Token, TradeType, Currency, Percent } from "@uniswap/sdk-core";
+import { AlphaRouter } from "@uniswap/smart-order-router";
+const provider = new ethers.providers.JsonRpcProvider("https://mainnet.infura.io/v3/47722f74a0264bd98bdc66c7f0177333");
+const router = new AlphaRouter({ chainId: 1, provider });
+
+describe("Auto Router", function () {
+  const connectorName = "Auto-Router-test";
+
+  let dsaWallet0: Contract;
+  let wallet0: Signer, wallet1: Signer;
+  let masterSigner: Signer;
+  let instaConnectorsV2: Contract;
+  let connector: Contract;
+
+  before(async () => {
+    await hre.network.provider.request({
+      method: "hardhat_reset",
+      params: [
+        {
+          forking: {
+            // @ts-ignore
+            jsonRpcUrl: hre.config.networks.hardhat.forking.url
+          }
+        }
+      ]
+    });
+    [wallet0, wallet1] = await ethers.getSigners();
+
+    masterSigner = await getMasterSigner();
+    instaConnectorsV2 = await ethers.getContractAt(abis.core.connectorsV2, addresses.core.connectorsV2);
+    connector = await deployAndEnableConnector({
+      connectorName,
+      contractArtifact: ConnectV2UniswapV3AutoRouter__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(await wallet0.getAddress());
+      expect(!!dsaWallet0.address).to.be.true;
+    });
+
+    it("Deposit ETH and DAI into DSA wallet", async function () {
+      await wallet0.sendTransaction({
+        to: dsaWallet0.address,
+        value: ethers.utils.parseEther("10")
+      });
+      await addLiquidity("dai", dsaWallet0.address, ethers.utils.parseEther("10"));
+      // console.log(dsaWallet0.address);
+      const daiToken = await ethers.getContractAt(
+        er20abi,
+        "0x6b175474e89094c44da98b954eedeac495271d0f" // dai address
+      );
+
+      expect(await daiToken.balanceOf(dsaWallet0.address)).to.be.gte(10);
+      // expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.gte(ethers.utils.parseEther("10"));
+    });
+  });
+
+  describe("Main", function () {
+    it("should swap the tokens", async function () {
+      const buyTokenAddress = "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"; //usdc
+      const sellTokenAddress = "0x6b175474e89094c44da98b954eedeac495271d0f"; //dai
+      const sellTokenDecimals = 18;
+      const buyTokenDecimals = 6;
+      const amount = 1;
+
+      const srcAmount = new BigNumber(amount).times(new BigNumber(10).pow(sellTokenDecimals)).toFixed(0);
+      const DAI = new Token(1, sellTokenAddress, sellTokenDecimals);
+      const USDC = new Token(1, buyTokenAddress, buyTokenDecimals);
+      const daiAmount = CurrencyAmount.fromRawAmount(DAI, srcAmount);
+      const route = await router.route(daiAmount, USDC, TradeType.EXACT_OUTPUT, {
+        recipient: dsaWallet0.address,
+        slippageTolerance: new Percent(5, 100),
+        deadline: 100
+      });
+      console.log(route);
+      const calldata = route?.methodParameters?.calldata;
+      console.log(route?.quote.numerator);
+      const unitAmt = "1000149";
+      const spells = [
+        {
+          connector: connectorName,
+          method: "sell",
+          args: [buyTokenAddress, sellTokenAddress, srcAmount, unitAmt, calldata, 0]
+        }
+      ];
+      const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), await wallet1.getAddress());
+      const receipt = await tx.wait();
+      expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.lte(ethers.utils.parseEther("9"));
+    });
+  });
+});

From fca85cf4a519fee80b0410af775ab932b51b5cc3 Mon Sep 17 00:00:00 2001
From: bhavik-m <bhavikmehta2001@gmail.com>
Date: Fri, 14 Jan 2022 02:31:12 +0530
Subject: [PATCH 04/15] minor fix

---
 hardhat.config.ts |    1 -
 package-lock.json | 4014 +++++++++++++++++++++++++++++++++++++++++----
 package.json      |    4 +-
 3 files changed, 3740 insertions(+), 279 deletions(-)

diff --git a/hardhat.config.ts b/hardhat.config.ts
index df8fc553..2d557587 100644
--- a/hardhat.config.ts
+++ b/hardhat.config.ts
@@ -105,7 +105,6 @@ const config: HardhatUserConfig = {
       forking: {
         url: String(getNetworkUrl(String(process.env.networkType))),
       },
-      gasPrice: 25000000000,
     },
     mainnet: createConfig("mainnet"),
     polygon: createConfig("polygon"),
diff --git a/package-lock.json b/package-lock.json
index 8479fd20..1fc611e9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,6 +12,8 @@
         "@openzeppelin/contracts": "^3.4.0-solc-0.7",
         "@typechain/ethers-v5": "^8.0.5",
         "@typechain/hardhat": "^3.0.0",
+        "@uniswap/sdk-core": "^3.0.1",
+        "@uniswap/smart-order-router": "^2.5.12",
         "@uniswap/v3-core": "^1.0.0",
         "@uniswap/v3-periphery": "^1.3.0",
         "chalk": "^5.0.0",
@@ -43,12 +45,85 @@
         "hardhat-deploy": "^0.9.14",
         "hardhat-deploy-ethers": "^0.3.0-beta.11",
         "husky": "^7.0.4",
+        "prettier": "^2.4.1",
+        "prettier-plugin-solidity": "^1.0.0-beta.18",
+        "solhint": "^3.3.6",
         "solidity-coverage": "0.7.17",
         "ts-node": "^10.4.0",
         "typescript": "^4.5.2",
         "web3": "^1.6.1"
       }
     },
+    "node_modules/@babel/code-frame": {
+      "version": "7.16.7",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.16.7.tgz",
+      "integrity": "sha512-iAXqUn8IIeBTNd72xsFlgaXHkMBMt6y4HJp1tIaK465CWLT/fG1aqB7ykr95gHHmlBdGbFeWWfyB4NJJ0nmeIg==",
+      "dev": true,
+      "dependencies": {
+        "@babel/highlight": "^7.16.7"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/helper-validator-identifier": {
+      "version": "7.16.7",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.16.7.tgz",
+      "integrity": "sha512-hsEnFemeiW4D08A5gUAZxLBTXpZ39P+a+DGDsHw1yxqyQ/jzFEnxf5uTEGp+3bzAbNOxU1paTgYS4ECU/IgfDw==",
+      "dev": true,
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/highlight": {
+      "version": "7.16.7",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.16.7.tgz",
+      "integrity": "sha512-aKpPMfLvGO3Q97V0qhw/V2SWNWlwfJknuwAunU7wZLSfrM4xTBvg7E5opUVi1kJTBKihE38CPg4nBiqX83PWYw==",
+      "dev": true,
+      "dependencies": {
+        "@babel/helper-validator-identifier": "^7.16.7",
+        "chalk": "^2.0.0",
+        "js-tokens": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/highlight/node_modules/chalk": {
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+      "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+      "dev": true,
+      "dependencies": {
+        "ansi-styles": "^3.2.1",
+        "escape-string-regexp": "^1.0.5",
+        "supports-color": "^5.3.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/@babel/highlight/node_modules/has-flag": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+      "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
+      "dev": true,
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/@babel/highlight/node_modules/supports-color": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+      "dev": true,
+      "dependencies": {
+        "has-flag": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/@babel/runtime": {
       "version": "7.14.5",
       "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.14.5.tgz",
@@ -61,6 +136,14 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@bitauth/libauth": {
+      "version": "1.19.0",
+      "resolved": "https://registry.npmjs.org/@bitauth/libauth/-/libauth-1.19.0.tgz",
+      "integrity": "sha512-UtfCijrCcPCQdstlxiv29hBNuYs/1hqeDMgS6CPjxps7r7/y/0p9TRGDx65fczlO12Pa5rQdWO/GzwsXo03uIg==",
+      "engines": {
+        "node": ">=8.9"
+      }
+    },
     "node_modules/@cspotcode/source-map-consumer": {
       "version": "0.8.0",
       "resolved": "https://registry.npmjs.org/@cspotcode/source-map-consumer/-/source-map-consumer-0.8.0.tgz",
@@ -1028,9 +1111,9 @@
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
     "node_modules/@ethersproject/abi": {
-      "version": "5.4.0",
-      "resolved": "https://registry.npmjs.org/@ethersproject/abi/-/abi-5.4.0.tgz",
-      "integrity": "sha512-9gU2H+/yK1j2eVMdzm6xvHSnMxk8waIHQGYCZg5uvAyH0rsAzxkModzBSpbAkAuhKFEovC2S9hM4nPuLym8IZw==",
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/abi/-/abi-5.5.0.tgz",
+      "integrity": "sha512-loW7I4AohP5KycATvc0MgujU6JyCHPqHdeoo9z3Nr9xEiNioxa65ccdm1+fsoJhkuhdRtfcL8cfyGamz2AxZ5w==",
       "funding": [
         {
           "type": "individual",
@@ -1042,15 +1125,15 @@
         }
       ],
       "dependencies": {
-        "@ethersproject/address": "^5.4.0",
-        "@ethersproject/bignumber": "^5.4.0",
-        "@ethersproject/bytes": "^5.4.0",
-        "@ethersproject/constants": "^5.4.0",
-        "@ethersproject/hash": "^5.4.0",
-        "@ethersproject/keccak256": "^5.4.0",
-        "@ethersproject/logger": "^5.4.0",
-        "@ethersproject/properties": "^5.4.0",
-        "@ethersproject/strings": "^5.4.0"
+        "@ethersproject/address": "^5.5.0",
+        "@ethersproject/bignumber": "^5.5.0",
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/constants": "^5.5.0",
+        "@ethersproject/hash": "^5.5.0",
+        "@ethersproject/keccak256": "^5.5.0",
+        "@ethersproject/logger": "^5.5.0",
+        "@ethersproject/properties": "^5.5.0",
+        "@ethersproject/strings": "^5.5.0"
       }
     },
     "node_modules/@ethersproject/abstract-provider": {
@@ -1241,32 +1324,6 @@
         "@ethersproject/transactions": "^5.5.0"
       }
     },
-    "node_modules/@ethersproject/contracts/node_modules/@ethersproject/abi": {
-      "version": "5.5.0",
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+        "@solidity-parser/parser": {
+          "version": "0.13.2",
+          "resolved": "https://registry.npmjs.org/@solidity-parser/parser/-/parser-0.13.2.tgz",
+          "integrity": "sha512-RwHnpRnfrnD2MSPveYoPh8nhofEvX7fgjHk1Oq+NNvCcLx4r1js91CO9o+F/F3fBzOCyvm8kKRTriFICX/odWw==",
+          "dev": true,
+          "requires": {
+            "antlr4ts": "^0.5.0-alpha.4"
+          }
+        },
+        "chalk": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        },
+        "commander": {
+          "version": "2.18.0",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.18.0.tgz",
+          "integrity": "sha512-6CYPa+JP2ftfRU2qkDK+UTVeQYosOg/2GbcjIcKPHfinyOLPVGXu/ovN86RP49Re5ndJK1N0kuiidFFuepc4ZQ==",
+          "dev": true
+        },
+        "has-flag": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
+          "dev": true
+        },
+        "ignore": {
+          "version": "4.0.6",
+          "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz",
+          "integrity": "sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg==",
+          "dev": true
+        },
+        "prettier": {
+          "version": "1.19.1",
+          "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.19.1.tgz",
+          "integrity": "sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==",
+          "dev": true,
+          "optional": true
+        },
+        "supports-color": {
+          "version": "5.5.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "solidity-comments-extractor": {
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/solidity-comments-extractor/-/solidity-comments-extractor-0.0.7.tgz",
+      "integrity": "sha512-wciNMLg/Irp8OKGrh3S2tfvZiZ0NEyILfcRCXCD4mp7SgK/i9gzLfhY2hY7VMCQJ3kH9UB9BzNdibIVMchzyYw==",
+      "dev": true
+    },
     "solidity-coverage": {
       "version": "0.7.17",
       "resolved": "https://registry.npmjs.org/solidity-coverage/-/solidity-coverage-0.7.17.tgz",
@@ -51822,11 +55168,24 @@
         }
       }
     },
+    "stats-lite": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/stats-lite/-/stats-lite-2.2.0.tgz",
+      "integrity": "sha512-/Kz55rgUIv2KP2MKphwYT/NCuSfAlbbMRv2ZWw7wyXayu230zdtzhxxuXXcvsc6EmmhS8bSJl3uS1wmMHFumbA==",
+      "requires": {
+        "isnumber": "~1.0.0"
+      }
+    },
     "statuses": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
       "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
     },
+    "stream-blackhole": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/stream-blackhole/-/stream-blackhole-1.0.3.tgz",
+      "integrity": "sha1-b8LiwunZ/ea+jGjT24jeCYAuTWM="
+    },
     "stream-browserify": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/stream-browserify/-/stream-browserify-2.0.2.tgz",
@@ -52052,6 +55411,46 @@
         }
       }
     },
+    "table": {
+      "version": "5.4.6",
+      "resolved": "https://registry.npmjs.org/table/-/table-5.4.6.tgz",
+      "integrity": "sha512-wmEc8m4fjnob4gt5riFRtTu/6+4rSe12TpAELNSqHMfF3IqnA+CH37USM6/YR3qRZv7e56kAEAtd6nKZaxe0Ug==",
+      "dev": true,
+      "requires": {
+        "ajv": "^6.10.2",
+        "lodash": "^4.17.14",
+        "slice-ansi": "^2.1.0",
+        "string-width": "^3.0.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        }
+      }
+    },
     "tapable": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/tapable/-/tapable-1.1.3.tgz",
@@ -52174,6 +55573,12 @@
       "integrity": "sha512-afH1hO+SQ/VPlmaLUFj2636QMeDvPCeQMc/9RBMW0IfjNe9gFD9Ra3ShqYkB7py0do1ZcCna/9acHyzTJ+GcNA==",
       "dev": true
     },
+    "text-table": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
+      "integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=",
+      "dev": true
+    },
     "through": {
       "version": "2.3.8",
       "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
@@ -52202,6 +55607,16 @@
         "setimmediate": "^1.0.4"
       }
     },
+    "tiny-invariant": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/tiny-invariant/-/tiny-invariant-1.2.0.tgz",
+      "integrity": "sha512-1Uhn/aqw5C6RI4KejVeTg6mIS7IqxnLJ8Mv2tV5rTc0qWobay7pDUz6Wi392Cnc8ak1H0F2cjoRzb2/AW4+Fvg=="
+    },
+    "tiny-warning": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/tiny-warning/-/tiny-warning-1.0.3.tgz",
+      "integrity": "sha512-lBN9zLN/oAf68o3zNXYrdCt1kP8WsiGW8Oo2ka41b2IM5JL/S1CTyX1rW0mb/zSuJun0ZUrDxx4sqvYS2FWzPA=="
+    },
     "title-case": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/title-case/-/title-case-2.1.1.tgz",
@@ -52273,6 +55688,11 @@
         "is-number": "^7.0.0"
       }
     },
+    "toformat": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/toformat/-/toformat-2.0.0.tgz",
+      "integrity": "sha512-03SWBVop6nU8bpyZCx7SodpYznbZF5R4ljwNLBcTQzKOD9xuihRo/psX58llS1BMFhhAI08H3luot5GoXJz2pQ=="
+    },
     "toidentifier": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
@@ -52346,12 +55766,6 @@
           "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
           "dev": true
         },
-        "prettier": {
-          "version": "2.3.2",
-          "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.3.2.tgz",
-          "integrity": "sha512-lnJzDfJ66zkMy58OL5/NY5zp70S7Nz6KqcKkXYzn2tMVrNxvbqaBpg7H3qHaLxCJ5lNMsGuM8+ohS7cZrthdLQ==",
-          "dev": true
-        },
         "supports-color": {
           "version": "5.5.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
@@ -52449,8 +55863,7 @@
     "type-detect": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
-      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
-      "dev": true
+      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g=="
     },
     "type-fest": {
       "version": "0.21.3",
@@ -52494,11 +55907,6 @@
           "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
           "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw=="
         },
-        "prettier": {
-          "version": "2.5.0",
-          "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.5.0.tgz",
-          "integrity": "sha512-FM/zAKgWTxj40rH03VxzIPdXmj39SwSjwG0heUcNFwI+EMZJnY93yAiKXM3dObIKAM5TA88werc8T/EwhB45eg=="
-        },
         "ts-essentials": {
           "version": "7.0.3",
           "resolved": "https://registry.npmjs.org/ts-essentials/-/ts-essentials-7.0.3.tgz",
@@ -54077,6 +57485,49 @@
         "string-width": "^1.0.2 || 2"
       }
     },
+    "widest-line": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-3.1.0.tgz",
+      "integrity": "sha512-NsmoXalsWVDMGupxZ5R08ka9flZjjiLvHVAWYOKtiKM8ujtZWr9cRffak+uSE48+Ob8ObalXpwyeUiyDD6QFgg==",
+      "requires": {
+        "string-width": "^4.0.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+          "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ=="
+        },
+        "emoji-regex": {
+          "version": "8.0.0",
+          "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
+          "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A=="
+        },
+        "is-fullwidth-code-point": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
+          "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg=="
+        },
+        "string-width": {
+          "version": "4.2.3",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
+          "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
+          "requires": {
+            "emoji-regex": "^8.0.0",
+            "is-fullwidth-code-point": "^3.0.0",
+            "strip-ansi": "^6.0.1"
+          }
+        },
+        "strip-ansi": {
+          "version": "6.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+          "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+          "requires": {
+            "ansi-regex": "^5.0.1"
+          }
+        }
+      }
+    },
     "window-size": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.2.0.tgz",
@@ -54143,6 +57594,15 @@
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
+    "write": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/write/-/write-1.0.3.tgz",
+      "integrity": "sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==",
+      "dev": true,
+      "requires": {
+        "mkdirp": "^0.5.1"
+      }
+    },
     "ws": {
       "version": "7.4.6",
       "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
diff --git a/package.json b/package.json
index d5458620..6fac9b33 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,8 @@
     "@openzeppelin/contracts": "^3.4.0-solc-0.7",
     "@typechain/ethers-v5": "^8.0.5",
     "@typechain/hardhat": "^3.0.0",
+    "@uniswap/sdk-core": "^3.0.1",
+    "@uniswap/smart-order-router": "^2.5.12",
     "@uniswap/v3-core": "^1.0.0",
     "@uniswap/v3-periphery": "^1.3.0",
     "chalk": "^5.0.0",
@@ -57,10 +59,10 @@
     "hardhat": "^2.7.0",
     "hardhat-deploy": "^0.9.14",
     "hardhat-deploy-ethers": "^0.3.0-beta.11",
+    "husky": "^7.0.4",
     "prettier": "^2.4.1",
     "prettier-plugin-solidity": "^1.0.0-beta.18",
     "solhint": "^3.3.6",
-    "husky": "^7.0.4",
     "solidity-coverage": "0.7.17",
     "ts-node": "^10.4.0",
     "typescript": "^4.5.2",

From 946503b531bd33083bf1a0c0b1e7468e8cd6b63c Mon Sep 17 00:00:00 2001
From: bhavik-m <bhavikmehta2001@gmail.com>
Date: Fri, 14 Jan 2022 02:34:57 +0530
Subject: [PATCH 05/15] minor fix

---
 test/mainnet/uniswapV3Router/uniswapV3Router.test.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts b/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
index b70b2234..b07b0f9e 100644
--- a/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
+++ b/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
@@ -16,7 +16,7 @@ import type { Signer, Contract } from "ethers";
 import { CurrencyAmount, Token, TradeType, Currency, Percent } from "@uniswap/sdk-core";
 import { AlphaRouter } from "@uniswap/smart-order-router";
 const provider = new ethers.providers.JsonRpcProvider("https://mainnet.infura.io/v3/47722f74a0264bd98bdc66c7f0177333");
-const router = new AlphaRouter({ chainId: 1, provider });
+const router = new AlphaRouter({ chainId: 1, provider: ethers.provider });
 
 describe("Auto Router", function () {
   const connectorName = "Auto-Router-test";
@@ -101,7 +101,8 @@ describe("Auto Router", function () {
       console.log(route);
       const calldata = route?.methodParameters?.calldata;
       console.log(route?.quote.numerator);
-      const unitAmt = "1000149";
+      const unitAmt = Number(route?.quote.numerator) / Number(route?.quote.denominator);
+      console.log(unitAmt);
       const spells = [
         {
           connector: connectorName,

From b74ae7b1ef0ea6c47b2feb24942ddbf19880328b Mon Sep 17 00:00:00 2001
From: Thrilok Kumar <thrilok2000@gmail.com>
Date: Fri, 14 Jan 2022 19:14:54 +0530
Subject: [PATCH 06/15] Fixed uniswap v3 router test case

---
 test/mainnet/uniswapV3Router/uniswapV3Router.test.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts b/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
index b07b0f9e..052f8998 100644
--- a/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
+++ b/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
@@ -93,10 +93,12 @@ describe("Auto Router", function () {
       const DAI = new Token(1, sellTokenAddress, sellTokenDecimals);
       const USDC = new Token(1, buyTokenAddress, buyTokenDecimals);
       const daiAmount = CurrencyAmount.fromRawAmount(DAI, srcAmount);
-      const route = await router.route(daiAmount, USDC, TradeType.EXACT_OUTPUT, {
+
+      const deadline = 1696000000 // Fri Sep 29 2023 15:06:40 GMT+0000
+      const route = await router.route(daiAmount, USDC, TradeType.EXACT_INPUT, {
         recipient: dsaWallet0.address,
         slippageTolerance: new Percent(5, 100),
-        deadline: 100
+        deadline
       });
       console.log(route);
       const calldata = route?.methodParameters?.calldata;

From c790d683d3fe22d9dcd5eebcd4a6e2d1f4713b79 Mon Sep 17 00:00:00 2001
From: Thrilok Kumar <thrilok2000@gmail.com>
Date: Fri, 14 Jan 2022 19:38:35 +0530
Subject: [PATCH 07/15] minor changes

---
 scripts/tests/addLiquidity.ts                  | 12 ++++++------
 .../uniswapV3Router/uniswapV3Router.test.ts    | 18 +++++++++++++++++-
 2 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/scripts/tests/addLiquidity.ts b/scripts/tests/addLiquidity.ts
index f29d6374..53a75a48 100644
--- a/scripts/tests/addLiquidity.ts
+++ b/scripts/tests/addLiquidity.ts
@@ -1,6 +1,6 @@
 import { Provider } from "@ethersproject/abstract-provider";
 import { Signer } from "@ethersproject/abstract-signer";
-import { ethers } from "hardhat";
+import { ethers, network } from "hardhat";
 import { impersonateAccounts } from "./impersonate";
 
 const mineTx = async (tx: any) => {
@@ -78,11 +78,11 @@ export async function addLiquidity(tokenName: string, address: any, amt: any) {
     token.impersonateSigner,
   ]);
 
-  // send 1 eth to cover any tx costs.
-  await signer.sendTransaction({
-    to: impersonatedSigner.address,
-    value: ethers.utils.parseEther("1"),
-  });
+  // send 2 eth to cover any tx costs.
+  await network.provider.send("hardhat_setBalance", [
+    impersonatedSigner.address,
+    ethers.utils.parseEther("2").toHexString(),
+  ]);
 
   await token.process(impersonatedSigner, address, amt);
 }
diff --git a/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts b/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
index 052f8998..80c87bf8 100644
--- a/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
+++ b/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
@@ -27,6 +27,10 @@ describe("Auto Router", function () {
   let instaConnectorsV2: Contract;
   let connector: Contract;
 
+  // @ts-ignore
+  const provider = new ethers.providers.JsonRpcProvider(hre.config.networks.hardhat.forking.url);
+  const router = new AlphaRouter({ chainId: 1, provider });
+
   before(async () => {
     await hre.network.provider.request({
       method: "hardhat_reset",
@@ -112,9 +116,21 @@ describe("Auto Router", function () {
           args: [buyTokenAddress, sellTokenAddress, srcAmount, unitAmt, calldata, 0]
         }
       ];
+
+      const buyTokenContract = await ethers.getContractAt(
+        er20abi,
+        buyTokenAddress,
+      );
+
+      const initialBuyTokenBalance = await buyTokenContract.balanceOf(dsaWallet0.address)
+
       const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), await wallet1.getAddress());
       const receipt = await tx.wait();
-      expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.lte(ethers.utils.parseEther("9"));
+
+      const finalBuyTokenBalance = await buyTokenContract.balanceOf(dsaWallet0.address)
+
+      
+      expect(finalBuyTokenBalance).to.be.gt(initialBuyTokenBalance);
     });
   });
 });

From e8407f72e8b6703136641c5ca945bba2ba4fd574 Mon Sep 17 00:00:00 2001
From: bhavik-m <bhavikmehta2001@gmail.com>
Date: Sat, 15 Jan 2022 20:07:32 +0530
Subject: [PATCH 08/15] fix testcase

---
 .../uniswapV3Router/uniswapV3Router.test.ts   | 32 +++++++++++++++++--
 1 file changed, 29 insertions(+), 3 deletions(-)

diff --git a/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts b/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
index 80c87bf8..89fbaace 100644
--- a/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
+++ b/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
@@ -104,10 +104,36 @@ describe("Auto Router", function () {
         slippageTolerance: new Percent(5, 100),
         deadline
       });
-      console.log(route);
+    
       const calldata = route?.methodParameters?.calldata;
-      console.log(route?.quote.numerator);
-      const unitAmt = Number(route?.quote.numerator) / Number(route?.quote.denominator);
+    
+  const _buyAmount = route?.quote.toFixed();
+  const buyTokenAmount = new BigNumber(String(_buyAmount)).times(new BigNumber(10).pow(buyTokenDecimals)).toFixed(0);
+  
+   
+      function caculateUnitAmt(
+        buyAmount: any,
+        sellAmount: any,
+        buyDecimal: any,
+        sellDecimal: any,
+        maxSlippage: any
+      ) {
+        let unitAmt: any;
+        unitAmt = new BigNumber(buyAmount)
+          .dividedBy(10 ** buyDecimal)
+          .dividedBy(new BigNumber(sellAmount).dividedBy(10 ** sellDecimal));
+        unitAmt = unitAmt.multipliedBy((100 - maxSlippage) / 100);
+        unitAmt = unitAmt.multipliedBy(1e18).toFixed(0);
+        return unitAmt;
+      }
+
+      const unitAmt = caculateUnitAmt(
+        buyTokenAmount,
+        srcAmount,
+        buyTokenDecimals,
+        sellTokenDecimals,
+        1
+      );
       console.log(unitAmt);
       const spells = [
         {

From 54a2b62e7b1a1deecec36a46d801ed882670705d Mon Sep 17 00:00:00 2001
From: bhavik-m <bhavikmehta2001@gmail.com>
Date: Sat, 15 Jan 2022 23:27:35 +0530
Subject: [PATCH 09/15] support native token

---
 .../uniswap/v3_auto_router/helpers.sol        | 32 +++++++++----------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
index 8d6fce04..fe979254 100644
--- a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
+++ b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
@@ -15,13 +15,19 @@ abstract contract Helpers is DSMath, Basic {
      /**
      * @dev UniswapV3 swapHelper
      * @param swapData - Struct defined in interfaces.sol
-     * @param ethAmt - Eth to swap for .value()
      */
     function _SwapHelper(
-        SwapData memory swapData,
-        uint ethAmt
+        SwapData memory swapData
     ) internal returns (uint buyAmt) {
-        TokenInterface buyToken = swapData.buyToken;
+        
+        TokenInterface sellToken = address(swapData.sellToken) == ethAddr ? TokenInterface(wethAddr) : swapData.sellToken;
+        TokenInterface buyToken = address(swapData.buyToken) == ethAddr ?  TokenInterface(wethAddr) : swapData.buyToken;
+         
+         bool isEth = address(swapData.sellToken) == ethAddr;
+        convertEthToWeth(isEth, sellToken, swapData._sellAmt);
+
+        approve(TokenInterface(sellToken), V3_SWAP_ROUTER_ADDRESS, swapData._sellAmt);
+    
         (uint _buyDec, uint _sellDec) = getTokensDec(buyToken, swapData.sellToken);
         uint _sellAmt18 = convertTo18(_sellDec, swapData._sellAmt);
         uint _slippageAmt = convert18ToDec(_buyDec, wmul(swapData.unitAmt, _sellAmt18));
@@ -29,14 +35,16 @@ abstract contract Helpers is DSMath, Basic {
         uint initalBal = getTokenBal(buyToken);
 
         // solium-disable-next-line security/no-call-value
-        (bool success, ) = V3_SWAP_ROUTER_ADDRESS.call{value: ethAmt}(swapData.callData);
+        (bool success, ) = V3_SWAP_ROUTER_ADDRESS.call(swapData.callData);
         if (!success) revert("uniswapV3-swap-failed");
 
         uint finalBal = getTokenBal(buyToken);
 
         buyAmt = sub(finalBal, initalBal);
-
         require(_slippageAmt <= buyAmt, "Too much slippage");
+
+       isEth = address(buyToken) == ethAddr;
+       convertWethToEth(isEth,buyToken,buyAmt);
     }
 
      /**
@@ -48,16 +56,8 @@ abstract contract Helpers is DSMath, Basic {
         SwapData memory swapData,
         uint setId
     ) internal returns (SwapData memory) {
-        TokenInterface _sellAddr = swapData.sellToken;
-
-        uint ethAmt;
-        if (address(_sellAddr) == ethAddr) {
-            ethAmt = swapData._sellAmt;
-        } else {
-            approve(TokenInterface(_sellAddr), V3_SWAP_ROUTER_ADDRESS, swapData._sellAmt);
-        }
-
-        swapData._buyAmt = _SwapHelper(swapData, ethAmt);
+        
+        swapData._buyAmt = _SwapHelper(swapData);
         setUint(setId, swapData._buyAmt);
 
         return swapData;

From 38c3d3e2220e8c14eb6cb5cd62305f4e1b79ade0 Mon Sep 17 00:00:00 2001
From: Thrilok kumar <thrilok2000@gmail.com>
Date: Sun, 16 Jan 2022 00:34:33 +0530
Subject: [PATCH 10/15] Update
 contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol

---
 contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
index fe979254..c1236821 100644
--- a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
+++ b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
@@ -16,7 +16,7 @@ abstract contract Helpers is DSMath, Basic {
      * @dev UniswapV3 swapHelper
      * @param swapData - Struct defined in interfaces.sol
      */
-    function _SwapHelper(
+    function _swapHelper(
         SwapData memory swapData
     ) internal returns (uint buyAmt) {
         

From 2e8ba1d8468838a9f1a79e69872886cfeb336aa5 Mon Sep 17 00:00:00 2001
From: Thrilok kumar <thrilok2000@gmail.com>
Date: Sun, 16 Jan 2022 00:34:39 +0530
Subject: [PATCH 11/15] Update
 contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol

---
 contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
index c1236821..91d0c584 100644
--- a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
+++ b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
@@ -43,7 +43,7 @@ abstract contract Helpers is DSMath, Basic {
         buyAmt = sub(finalBal, initalBal);
         require(_slippageAmt <= buyAmt, "Too much slippage");
 
-       isEth = address(buyToken) == ethAddr;
+       isEth = address(swapData.buyToken) == ethAddr;
        convertWethToEth(isEth,buyToken,buyAmt);
     }
 

From dc1330fa2ba07c080b56f1ca1b4c3f1c7c3ce339 Mon Sep 17 00:00:00 2001
From: Thrilok kumar <thrilok2000@gmail.com>
Date: Sun, 16 Jan 2022 00:34:44 +0530
Subject: [PATCH 12/15] Update
 contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol

---
 contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
index 91d0c584..2110ca2f 100644
--- a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
+++ b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
@@ -52,7 +52,7 @@ abstract contract Helpers is DSMath, Basic {
      * @param swapData Struct with multiple swap data defined in interfaces.sol 
      * @param setId Set token amount at this ID in `InstaMemory` Contract.
      */
-    function _Swap(
+    function _swap(
         SwapData memory swapData,
         uint setId
     ) internal returns (SwapData memory) {

From 63711ce0307f44cb0a203940e38f3307863bfdc6 Mon Sep 17 00:00:00 2001
From: Thrilok kumar <thrilok2000@gmail.com>
Date: Sun, 16 Jan 2022 00:35:12 +0530
Subject: [PATCH 13/15] Update
 contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol

---
 contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol b/contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol
index 536a56c9..642d8ad3 100644
--- a/contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol
+++ b/contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol
@@ -41,7 +41,7 @@ abstract contract AutoRouter is Helpers, Events {
             _buyAmt: 0
         });
 
-        swapData = _Swap(swapData, setId);
+        swapData = _swap(swapData, setId);
 
         _eventName = "LogSwap(address,address,uint256,uint256,uint256,uint256)";
         _eventParam = abi.encode(buyAddr, sellAddr, swapData._buyAmt, swapData._sellAmt, 0, setId);

From 0fd94d34a41e9703fe6de9c2e2b91c87b6724624 Mon Sep 17 00:00:00 2001
From: Thrilok kumar <thrilok2000@gmail.com>
Date: Sun, 16 Jan 2022 00:35:21 +0530
Subject: [PATCH 14/15] Update
 contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol

---
 contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
index 2110ca2f..eb061821 100644
--- a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
+++ b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
@@ -57,7 +57,7 @@ abstract contract Helpers is DSMath, Basic {
         uint setId
     ) internal returns (SwapData memory) {
         
-        swapData._buyAmt = _SwapHelper(swapData);
+        swapData._buyAmt = _swapHelper(swapData);
         setUint(setId, swapData._buyAmt);
 
         return swapData;

From 731cb2162dbc73f559e579dc6b464e3d4e93c72f Mon Sep 17 00:00:00 2001
From: bhavik-m <bhavikmehta2001@gmail.com>
Date: Sun, 16 Jan 2022 21:54:44 +0530
Subject: [PATCH 15/15] updated test and contract

---
 .../uniswap/v3_auto_router/helpers.sol        |  28 ++-
 .../uniswap/v3_auto_router/main.sol           |   4 +-
 .../uniswapV3Router/uniswapV3Router.test.ts   | 162 ++++++++++++++++--
 3 files changed, 167 insertions(+), 27 deletions(-)

diff --git a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
index eb061821..c66a1498 100644
--- a/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
+++ b/contracts/mainnet/connectors/uniswap/v3_auto_router/helpers.sol
@@ -11,7 +11,6 @@ abstract contract Helpers is DSMath, Basic {
      */
    address internal constant V3_SWAP_ROUTER_ADDRESS = 0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45;
 
-
      /**
      * @dev UniswapV3 swapHelper
      * @param swapData - Struct defined in interfaces.sol
@@ -20,31 +19,23 @@ abstract contract Helpers is DSMath, Basic {
         SwapData memory swapData
     ) internal returns (uint buyAmt) {
         
-        TokenInterface sellToken = address(swapData.sellToken) == ethAddr ? TokenInterface(wethAddr) : swapData.sellToken;
-        TokenInterface buyToken = address(swapData.buyToken) == ethAddr ?  TokenInterface(wethAddr) : swapData.buyToken;
-         
-         bool isEth = address(swapData.sellToken) == ethAddr;
-        convertEthToWeth(isEth, sellToken, swapData._sellAmt);
-
-        approve(TokenInterface(sellToken), V3_SWAP_ROUTER_ADDRESS, swapData._sellAmt);
-    
-        (uint _buyDec, uint _sellDec) = getTokensDec(buyToken, swapData.sellToken);
+        (uint _buyDec, uint _sellDec) = getTokensDec(swapData.buyToken, swapData.sellToken);
         uint _sellAmt18 = convertTo18(_sellDec, swapData._sellAmt);
         uint _slippageAmt = convert18ToDec(_buyDec, wmul(swapData.unitAmt, _sellAmt18));
 
-        uint initalBal = getTokenBal(buyToken);
+        uint initalBal = getTokenBal(swapData.buyToken);
 
         // solium-disable-next-line security/no-call-value
         (bool success, ) = V3_SWAP_ROUTER_ADDRESS.call(swapData.callData);
         if (!success) revert("uniswapV3-swap-failed");
 
-        uint finalBal = getTokenBal(buyToken);
+        uint finalBal = getTokenBal(swapData.buyToken);
 
         buyAmt = sub(finalBal, initalBal);
         require(_slippageAmt <= buyAmt, "Too much slippage");
 
-       isEth = address(swapData.buyToken) == ethAddr;
-       convertWethToEth(isEth,buyToken,buyAmt);
+        bool isEth = address(swapData.buyToken) == wethAddr;
+        convertWethToEth(isEth,swapData.buyToken,buyAmt);
     }
 
      /**
@@ -56,7 +47,14 @@ abstract contract Helpers is DSMath, Basic {
         SwapData memory swapData,
         uint setId
     ) internal returns (SwapData memory) {
-        
+
+        swapData.sellToken = address(swapData.sellToken) == ethAddr ? TokenInterface(wethAddr) : swapData.sellToken;
+        swapData.buyToken =  address(swapData.buyToken) == ethAddr ?  TokenInterface(wethAddr) : swapData.buyToken;
+         
+         bool isEth = address(swapData.sellToken) == wethAddr;
+        convertEthToWeth(isEth, swapData.sellToken, swapData._sellAmt);
+        approve(TokenInterface(swapData.sellToken), V3_SWAP_ROUTER_ADDRESS, swapData._sellAmt);
+    
         swapData._buyAmt = _swapHelper(swapData);
         setUint(setId, swapData._buyAmt);
 
diff --git a/contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol b/contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol
index 642d8ad3..8176631f 100644
--- a/contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol
+++ b/contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.7.0;
+pragma solidity ^0..0;
 pragma experimental ABIEncoderV2;
 
 /**
@@ -41,7 +41,7 @@ abstract contract AutoRouter is Helpers, Events {
             _buyAmt: 0
         });
 
-        swapData = _swap(swapData, setId);
+        swapData = _Swap(swapData, setId);
 
         _eventName = "LogSwap(address,address,uint256,uint256,uint256,uint256)";
         _eventParam = abi.encode(buyAddr, sellAddr, swapData._buyAmt, swapData._sellAmt, 0, setId);
diff --git a/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts b/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
index 89fbaace..d604e52f 100644
--- a/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
+++ b/test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
@@ -1,5 +1,4 @@
 import hre from "hardhat";
-import axios from "axios";
 import { expect } from "chai";
 const { ethers } = hre; //check
 import { BigNumber } from "bignumber.js";
@@ -15,8 +14,8 @@ import er20abi from "../../../scripts/constant/abi/basics/erc20.json";
 import type { Signer, Contract } from "ethers";
 import { CurrencyAmount, Token, TradeType, Currency, Percent } from "@uniswap/sdk-core";
 import { AlphaRouter } from "@uniswap/smart-order-router";
-const provider = new ethers.providers.JsonRpcProvider("https://mainnet.infura.io/v3/47722f74a0264bd98bdc66c7f0177333");
-const router = new AlphaRouter({ chainId: 1, provider: ethers.provider });
+const provider = new ethers.providers.JsonRpcProvider(process.env.ETH_NODE_URL);
+const router = new AlphaRouter({ chainId: 1, provider: provider });
 
 describe("Auto Router", function () {
   const connectorName = "Auto-Router-test";
@@ -81,12 +80,12 @@ describe("Auto Router", function () {
       );
 
       expect(await daiToken.balanceOf(dsaWallet0.address)).to.be.gte(10);
-      // expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.gte(ethers.utils.parseEther("10"));
+      expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.gte(ethers.utils.parseEther("10"));
     });
   });
 
   describe("Main", function () {
-    it("should swap the tokens", async function () {
+    it("should swap the tokens ", async function () {
       const buyTokenAddress = "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"; //usdc
       const sellTokenAddress = "0x6b175474e89094c44da98b954eedeac495271d0f"; //dai
       const sellTokenDecimals = 18;
@@ -94,12 +93,12 @@ describe("Auto Router", function () {
       const amount = 1;
 
       const srcAmount = new BigNumber(amount).times(new BigNumber(10).pow(sellTokenDecimals)).toFixed(0);
-      const DAI = new Token(1, sellTokenAddress, sellTokenDecimals);
-      const USDC = new Token(1, buyTokenAddress, buyTokenDecimals);
-      const daiAmount = CurrencyAmount.fromRawAmount(DAI, srcAmount);
+      const sellToken = new Token(1, sellTokenAddress, sellTokenDecimals);
+      const buyToken = new Token(1, buyTokenAddress, buyTokenDecimals);
+      const daiAmount = CurrencyAmount.fromRawAmount(sellToken, srcAmount);
 
       const deadline = 1696000000 // Fri Sep 29 2023 15:06:40 GMT+0000
-      const route = await router.route(daiAmount, USDC, TradeType.EXACT_INPUT, {
+      const route = await router.route(daiAmount, buyToken , TradeType.EXACT_INPUT, {
         recipient: dsaWallet0.address,
         slippageTolerance: new Percent(5, 100),
         deadline
@@ -134,7 +133,150 @@ describe("Auto Router", function () {
         sellTokenDecimals,
         1
       );
-      console.log(unitAmt);
+      const spells = [
+        {
+          connector: connectorName,
+          method: "sell",
+          args: [buyTokenAddress, sellTokenAddress, srcAmount, unitAmt, calldata, 0]
+        }
+      ];
+
+      const buyTokenContract = await ethers.getContractAt(
+        er20abi,
+        buyTokenAddress,
+      );
+
+      const initialBuyTokenBalance = await buyTokenContract.balanceOf(dsaWallet0.address)
+
+      const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), await wallet1.getAddress());
+      const receipt = await tx.wait();
+
+      const finalBuyTokenBalance = await buyTokenContract.balanceOf(dsaWallet0.address)
+
+      
+      expect(finalBuyTokenBalance).to.be.gt(initialBuyTokenBalance);
+    });
+    it("should swap the tokens when selltoken is eth in the spell", async function () {
+      const buyTokenAddress = "0x6b175474e89094c44da98b954eedeac495271d0f"; //dai
+      const sellTokenAddress = "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"; //weth
+      const sellTokenDecimals = 18;
+      const buyTokenDecimals = 18;
+      const amount = 1;
+
+      const srcAmount = new BigNumber(amount).times(new BigNumber(10).pow(sellTokenDecimals)).toFixed(0);
+      const sellToken = new Token(1, sellTokenAddress, sellTokenDecimals);
+      const buyToken = new Token(1, buyTokenAddress, buyTokenDecimals);
+      const sellAmount = CurrencyAmount.fromRawAmount(sellToken, srcAmount);
+
+      const deadline = 1696000000 // Fri Sep 29 2023 15:06:40 GMT+0000
+      const route = await router.route(sellAmount, buyToken, TradeType.EXACT_INPUT, {
+        recipient: dsaWallet0.address,
+        slippageTolerance: new Percent(5, 100),
+        deadline
+      });
+    
+      const calldata = route?.methodParameters?.calldata;
+    
+  const _buyAmount = route?.quote.toFixed();
+  const buyTokenAmount = new BigNumber(String(_buyAmount)).times(new BigNumber(10).pow(buyTokenDecimals)).toFixed(0);
+  
+   
+      function caculateUnitAmt(
+        buyAmount: any,
+        sellAmount: any,
+        buyDecimal: any,
+        sellDecimal: any,
+        maxSlippage: any
+      ) {
+        let unitAmt: any;
+        unitAmt = new BigNumber(buyAmount)
+          .dividedBy(10 ** buyDecimal)
+          .dividedBy(new BigNumber(sellAmount).dividedBy(10 ** sellDecimal));
+        unitAmt = unitAmt.multipliedBy((100 - maxSlippage) / 100);
+        unitAmt = unitAmt.multipliedBy(1e18).toFixed(0);
+        return unitAmt;
+      }
+
+      const unitAmt = caculateUnitAmt(
+        buyTokenAmount,
+        srcAmount,
+        buyTokenDecimals,
+        sellTokenDecimals,
+        1
+      );
+      const ethAddr = "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE";
+      const spells = [
+        {
+          connector: connectorName,
+          method: "sell",
+          args: [buyTokenAddress, ethAddr, srcAmount, unitAmt, calldata, 0]
+        }
+      ];
+
+      const buyTokenContract = await ethers.getContractAt(
+        er20abi,
+        buyTokenAddress,
+      );
+
+      const initialBuyTokenBalance = await buyTokenContract.balanceOf(dsaWallet0.address)
+
+      const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), await wallet1.getAddress());
+      const receipt = await tx.wait();
+
+      const finalBuyTokenBalance = await buyTokenContract.balanceOf(dsaWallet0.address)
+
+      
+      expect(finalBuyTokenBalance).to.be.gt(initialBuyTokenBalance);
+    });
+    it("should swap the tokens when buytoken is weth in the spell", async function () {
+      const buyTokenAddress = "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"; // weth
+      const sellTokenAddress = "0x6b175474e89094c44da98b954eedeac495271d0f"; // dai
+      const sellTokenDecimals = 18;
+      const buyTokenDecimals = 18;
+      const amount = 4000;
+
+      const srcAmount = new BigNumber(amount).times(new BigNumber(10).pow(sellTokenDecimals)).toFixed(0);
+      const sellToken = new Token(1, sellTokenAddress, sellTokenDecimals);
+      const buyToken = new Token(1, buyTokenAddress, buyTokenDecimals);
+      const daiAmount = CurrencyAmount.fromRawAmount(sellToken, srcAmount);
+
+      const deadline = 1696000000 // Fri Sep 29 2023 15:06:40 GMT+0000
+      const route = await router.route(daiAmount, buyToken , TradeType.EXACT_INPUT, {
+        recipient: dsaWallet0.address,
+        slippageTolerance: new Percent(5, 100),
+        deadline
+      });
+    
+      const calldata = route?.methodParameters?.calldata;
+    
+  const _buyAmount = route?.quote.toFixed();
+  const buyTokenAmount = new BigNumber(String(_buyAmount)).times(new BigNumber(10).pow(buyTokenDecimals)).toFixed(0);
+  
+   
+      function caculateUnitAmt(
+        buyAmount: any,
+        sellAmount: any,
+        buyDecimal: any,
+        sellDecimal: any,
+        maxSlippage: any
+      ) {
+        let unitAmt: any;
+        unitAmt = new BigNumber(buyAmount)
+          .dividedBy(10 ** buyDecimal)
+          .dividedBy(new BigNumber(sellAmount).dividedBy(10 ** sellDecimal));
+        unitAmt = unitAmt.multipliedBy((100 - maxSlippage) / 100);
+        unitAmt = unitAmt.multipliedBy(1e18).toFixed(0);
+        return unitAmt;
+      }
+
+      const unitAmt = caculateUnitAmt(
+        buyTokenAmount,
+        srcAmount,
+        buyTokenDecimals,
+        sellTokenDecimals,
+        1
+      );
+    
       const spells = [
         {
           connector: connectorName,