uniswapv3_goerli_swap-add

abi.json

[
  {
    "inputs": [],
    "stateMutability": "nonpayable",
    "type": "constructor"
  },
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "internalType": "address",
        "name": "owner",
        "type": "address"
      },
      {
        "indexed": true,
        "internalType": "address",
        "name": "spender",
        "type": "address"
      },
      {
        "indexed": false,
        "internalType": "uint256",
        "name": "value",
        "type": "uint256"
      }
    ],
    "name": "Approval",
    "type": "event"
  },
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "internalType": "address",
        "name": "from",
        "type": "address"
      },
      {
        "indexed": true,
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "indexed": false,
        "internalType": "uint256",
        "name": "value",
        "type": "uint256"
      }
    ],
    "name": "Transfer",
    "type": "event"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "owner",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "spender",
        "type": "address"
      }
    ],
    "name": "allowance",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "",
        "type": "uint256"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "spender",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "amount",
        "type": "uint256"
      }
    ],
    "name": "approve",
    "outputs": [
      {
        "internalType": "bool",
        "name": "",
        "type": "bool"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "account",
        "type": "address"
      }
    ],
    "name": "balanceOf",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "",
        "type": "uint256"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [],
    "name": "decimals",
    "outputs": [
      {
        "internalType": "uint8",
        "name": "",
        "type": "uint8"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "spender",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "subtractedValue",
        "type": "uint256"
      }
    ],
    "name": "decreaseAllowance",
    "outputs": [
      {
        "internalType": "bool",
        "name": "",
        "type": "bool"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "spender",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "addedValue",
        "type": "uint256"
      }
    ],
    "name": "increaseAllowance",
    "outputs": [
      {
        "internalType": "bool",
        "name": "",
        "type": "bool"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [],
    "name": "name",
    "outputs": [
      {
        "internalType": "string",
        "name": "",
        "type": "string"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [],
    "name": "symbol",
    "outputs": [
      {
        "internalType": "string",
        "name": "",
        "type": "string"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [],
    "name": "totalSupply",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "",
        "type": "uint256"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "amount",
        "type": "uint256"
      }
    ],
    "name": "transfer",
    "outputs": [
      {
        "internalType": "bool",
        "name": "",
        "type": "bool"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "from",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "amount",
        "type": "uint256"
      }
    ],
    "name": "transferFrom",
    "outputs": [
      {
        "internalType": "bool",
        "name": "",
        "type": "bool"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  }
]

factory.json

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint24","name":"fee","type":"uint24"},{"indexed":true,"internalType":"int24","name":"tickSpacing","type":"int24"}],"name":"FeeAmountEnabled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"token0","type":"address"},{"indexed":true,"internalType":"address","name":"token1","type":"address"},{"indexed":true,"internalType":"uint24","name":"fee","type":"uint24"},{"indexed":false,"internalType":"int24","name":"tickSpacing","type":"int24"},{"indexed":false,"internalType":"address","name":"pool","type":"address"}],"name":"PoolCreated","type":"event"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"uint24","name":"fee","type":"uint24"}],"name":"createPool","outputs":[{"internalType":"address","name":"pool","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint24","name":"fee","type":"uint24"},{"internalType":"int24","name":"tickSpacing","type":"int24"}],"name":"enableFeeAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint24","name":"","type":"uint24"}],"name":"feeAmountTickSpacing","outputs":[{"internalType":"int24","name":"","type":"int24"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint24","name":"","type":"uint24"}],"name":"getPool","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"parameters","outputs":[{"internalType":"address","name":"factory","type":"address"},{"internalType":"address","name":"token0","type":"address"},{"internalType":"address","name":"token1","type":"address"},{"internalType":"uint24","name":"fee","type":"uint24"},{"internalType":"int24","name":"tickSpacing","type":"int24"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"}]

swapAdd.js

require('dotenv').config();
const { ethers } = require('ethers');
const { Token, CurrencyAmount, TradeType, Percent, Fraction } = require('@uniswap/sdk-core');
const { BigNumber } = require('ethers');
const { Pool, Position, nearestUsableTick } = require('@uniswap/v3-sdk');
const { abi: IUniswapV3PoolABI } = require('@uniswap/v3-core/artifacts/contracts/interfaces/IUniswapV3Pool.sol/IUniswapV3Pool.json');
const { abi: INonfungiblePositionManagerABI } = require('@uniswap/v3-periphery/artifacts/contracts/interfaces/INonfungiblePositionManager.sol/INonfungiblePositionManager.json');
const ERC20ABI = require('./abi.json');
const factoryABI = require('./factory.json');
const { AlphaRouter } = require('@uniswap/smart-order-router');
const { SwapToRatioStatus } = require('@uniswap/smart-order-router');

const WALLET_ADDRESS=process.env.WALLET_ADDRESS
const WALLET_SECRET=process.env.WALLET_SECRET;

const provider = new ethers.providers.JsonRpcProvider(process.env.INFURA_URL_GOERLI);

const positionManagerAddress = '0xC36442b4a4522E871399CD717aBDD847Ab11FE88';
const factoryAddress = '0x1F98431c8aD98523631AE4a59f267346ea31F984';
const factoryContract = new ethers.Contract(factoryAddress,factoryABI,provider);

const WETHAddress = '0xB4FBF271143F4FBf7B91A5ded31805e42b2208d6';
const UNIAddress = '0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984';
const fee = 500;

var poolAddress = await factoryContract.getPool(WETHAddress,UNIAddress,fee);

const name0 = 'Wrapped Ether';
const symbol0 = 'WETH';
const decimals0  = 18;
const address0 = WETHAddress;

const name1 = 'UNI';
const symbol1 = 'UNI';
const decimals1 = 18;
const address1 = UNIAddress;

const chainId = provider.network.chainId;

const WethToken = new Token(chainId,address0,decimals0,symbol0,name0);
const UNIToken = new Token(chainId,address1,decimals1,symbol1,name1);

const nonfungiblePositionManagerContract = new ethers.Contract(positionManagerAddress,INonfungiblePositionManagerABI,provider);
const poolContract = new ethers.Contract(poolAddress,IUniswapV3PoolABI,provider);

const getPoolData = async (poolContract) => {
    const [tickSpacing, fee, liquidity, slot0] = await Promise.all([
        poolContract.tickSpacing(),
        poolContract.fee(),
        poolContract.liquidity(),
        poolContract.slot0()
     ])
     return {
       tickSpacing: tickSpacing,
       fee: fee,
       liquidity: liquidity,
       sqrtPriceX96: slot0[0],
       tick: slot0[1],
     }
 }

var poolData = await getPoolData(poolContract);

const WETH_UNI_POOL = new Pool(
   WethToken,
   UNIToken,
   poolData.fee,
   poolData.sqrtPriceX96.toString(),
   poolData.liquidity.toString(),
   poolData.tick)

const position = new Position({
    pool: WETH_UNI_POOL,
    liquidity: ethers.utils.parseUnits('1',18),
    tickLower: nearestUsableTick(poolData.tick, poolData.tickSpacing) - poolData.tickSpacing * 10,
    tickUpper: nearestUsableTick(poolData.tick, poolData.tickSpacing) + poolData.tickSpacing * 10,
 });

const wallet = new ethers.Wallet(WALLET_SECRET);
const connectedWallet = wallet.connect(provider);

const approvalAmount = ethers.utils.parseUnits('10',18);

const tokenContract0 = new ethers.Contract(address0,ERC20ABI,provider);
const tokenContract1 = new ethers.Contract(address1,ERC20ABI,provider);

// mebbe we need to approve THIS instead of the position manager?
// to submit a transaction based on above results
const V3_SWAP_ROUTER_ADDRESS = "0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45";


var res = await tokenContract0.connect(connectedWallet).approve(
    V3_SWAP_ROUTER_ADDRESS,
    approvalAmount);

var res = await tokenContract1.connect(connectedWallet).approve(
   V3_SWAP_ROUTER_ADDRESS,
   approvalAmount);


const router = new AlphaRouter({ chainId: provider.network.chainId, provider: provider }); 

var token0Balance = CurrencyAmount.fromRawAmount(WethToken, ethers.utils.parseUnits('.1',WethToken.decimals));
var token1Balance = CurrencyAmount.fromRawAmount(UNIToken, '0');


var response = await router.routeToRatio(
    token0Balance,
    token1Balance,
    position,
    {
       ratioErrorTolerance: new Fraction(1, 100),
       maxIterations: 6,
    },
    {
       addLiquidityOptions: {
          recipient: WALLET_ADDRESS,
       },
       swapOptions: {
          deadline: Math.floor( Date.now() / 1000 + (10 * 60)),
          recipient: WALLET_ADDRESS,
          slippageTolerance: new Percent(5, 100),
       },
    },
 );


// to submit a transaction based on above results

var route = response.result;

var transaction = {
  data: route.methodParameters.calldata,
  to: V3_SWAP_ROUTER_ADDRESS,
  value: BigNumber.from(route.methodParameters.value),
  from: WALLET_ADDRESS,
  gasPrice: BigNumber.from(route.gasPriceWei),
  gasLimit: ethers.utils.hexlify(1000000)
};


var tradeTransaction = await connectedWallet.sendTransaction(transaction);

Uniswap SDK swap-add guide - https://docs.uniswap.org/sdk/guides/liquidity/swap-and-add

txn - https://goerli.etherscan.io/tx/0x81ec38a9e0a592affe0855250282c1d3b6ab53241a1211fc39eb1b861fb81291
token - https://app.uniswap.org/#/pool/36521