text: const {
    deployContract,
    deployFactory,
    getCreate2Address,
    isDeployed
  } = require("solidity-create2-deployer");
  const ethers = require("ethers");
  const fetch = require('node-fetch');
  const fs = require('fs')
  const util = require('util');
  const request = require('request-promise-native')
  const readFile = util.promisify(fs.readFile);
  
  /*
  
    FILL IN THE BELOW
  
    * provider
    * verifyURL
    * privateKey
    * apikey
    * mpcAddress
    * constructorArgs
  
  */
  
  /*
  
    PROVIDERS
  
    BSC = https://bsc-dataseed1.binance.org/
    FTM = https://rpc.fantom.network
    xDAI =https://rpc.xdaichain.com
    Polygon (Matic) = https://rpc-mainnet.matic.network
    Heco = https://http-testnet.hecochain.com
  
  */
  
  //const provider = new ethers.providers.JsonRpcProvider("https://rinkeby.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161");
  const verifyURL = 'https://api-kovan.etherscan.io/'; // api.etherscan.io for Ethereum, api.ftmscam.com for Fantom, etc
  const provider = new ethers.providers.JsonRpcProvider("https://kovan.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161");
  //const verifyURL = 'https://api-rinkeby.etherscan.io/'; // api.etherscan.io for Ethereum, api.ftmscam.com for Fantom, etc
  const privateKey = '7c45b817de5b12350e00d6538ce28d183026a766e2dff57cd7345ca1d7413265'; // private key of wallet being used to deploy
  const apikey = 'YNC7SVZNMWK941UG5IXYIN88JA5FW1IPJE'; // apiKey for etherscan / bscscan / ftmscan / etc
  /*
  
    MPC ADDRESS
  
    BSC = 0x533e3c0e6b48010873B947bddC4721b1bDFF9648
    FTM = 0xC564EE9f21Ed8A2d8E7e76c085740d5e4c5FaFbE
    xDAI =0x2F10c5eE93ac666dA72195abA8a49FD6D27fA02F
    Polygon (Matic) = 0x668b9734FfE9eE8a01d4Ade3362De71E8989EA87
  
  */
  const mpcAddress = "0xEb49B2D1e1fdD34B2f4B978324F3046D8F940c40";
  const signer = new ethers.Wallet(privateKey, provider);
  const constructorArgs = ["CrossKovanToken1", "CKT1", 18, "0x0000000000000000000000000000000000000000", signer.address];
  
  /*
  
    FILL IN THE ABOVE
  
  */
  
  const salt = 2021;
  //const factoryAddress = "0xF605Cb325Fc7B834a42Cde6D9F0871EFed2cD7eE";   //// rinkeby
  const factoryAddress = "0x4695498bE9a79b948DeBBe6258da39927F6C84C9";     //// kovan
  
  const anyswapERC20 =  '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 
  const anyswapERC20ABI = '[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint8","name":"_decimals","type":"uint8"},{"internalType":"address","name":"_underlying","type":"address"},{"internalType":"address","name":"_vault","type":"address"}],"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":"auth","type":"address"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"LogAddAuth","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"},{"indexed":true,"internalType":"uint256","name":"effectiveHeight","type":"uint256"}],"name":"LogChangeMPCOwner","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldVault","type":"address"},{"indexed":true,"internalType":"address","name":"newVault","type":"address"},{"indexed":true,"internalType":"uint256","name":"effectiveTime","type":"uint256"}],"name":"LogChangeVault","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"txhash","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"LogSwapin","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"bindaddr","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"LogSwapout","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":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PERMIT_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"txhash","type":"bytes32"},{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Swapin","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"bindaddr","type":"address"}],"name":"Swapout","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"TRANSFER_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"applyMinter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"applyVault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"approveAndCall","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newVault","type":"address"}],"name":"changeMPCOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newVault","type":"address"}],"name":"changeVault","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"delay","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"delayDelay","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"delayMinter","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"delayVault","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"deposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"deposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"deposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"depositVault","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"},{"internalType":"address","name":"to","type":"address"}],"name":"depositWithPermit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"},{"internalType":"address","name":"to","type":"address"}],"name":"depositWithTransferPermit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getAllMinters","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_vault","type":"address"}],"name":"initVault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"minters","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mpc","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingDelay","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingMinter","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingVault","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_auth","type":"address"}],"name":"revokeMinter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_auth","type":"address"}],"name":"setMinter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_vault","type":"address"}],"name":"setVault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"enabled","type":"bool"}],"name":"setVaultOnly","outputs":[],"stateMutability":"nonpayable","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":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"transferAndCall","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":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"transferWithPermit","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"underlying","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"vault","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"withdrawVault","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]';
  
  const factoryABI = '[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"addr","type":"address"},{"indexed":false,"internalType":"uint256","name":"salt","type":"uint256"}],"name":"Deployed","type":"event"},{"inputs":[{"internalType":"bytes","name":"code","type":"bytes"},{"internalType":"uint256","name":"salt","type":"uint256"}],"name":"deploy","outputs":[],"stateMutability":"nonpayable","type":"function"}]';
  
  //string memory _name, string memory _symbol, uint8 _decimals, address _underlying, address _vault
  const constructorTypes = ["string", "string", "uint8", "address", "address"];
  const factory = new ethers.Contract(factoryAddress, factoryABI, signer);
  
  const constructor = encodeParam(
    constructorTypes,
    constructorArgs
  ).slice(2)
  console.log(constructor);
  const bytecode = `${anyswapERC20}${constructor}`;
  // encodes parameter to pass as contract argument
  function encodeParam(dataType, data) {
    const abiCoder = ethers.utils.defaultAbiCoder;
    return abiCoder.encode(dataType, data);
  }
  
  function buildCreate2Address(creatorAddress, saltHex, byteCode) {
    return `0x${ethers.utils
      .keccak256(
        `0x${["ff", creatorAddress, saltHex, ethers.utils.keccak256(byteCode)]
          .map(x => x.replace(/0x/, ""))
          .join("")}`
      )
      .slice(-40)}`.toLowerCase();
  }
  
  // converts an int to uint256
  function numberToUint256(value) {
    const hex = value.toString(16);
    return `0x${"0".repeat(64 - hex.length)}${hex}`;
  }
  
  // returns true if contract is deployed on-chain
  async function isContract(address) {
    const code = await provider.getCode(address);
    return code.slice(2).length > 0;
  }
  
  setup()
  
  async function setup() {
    // First see if already deployed
  
    const computedAddr = buildCreate2Address(
      factoryAddress,
      numberToUint256(salt),
      bytecode
    );
    console.log(computedAddr)
  
    const isDeployed = await isContract(computedAddr);
    if (!isDeployed) {
      await (await factory.deploy(bytecode, salt)).wait();
    }
  
    const anyswap = new ethers.Contract(computedAddr, anyswapERC20ABI, signer);
    const vault = await anyswap.vault();
    if (vault !== mpcAddress) {
        await (await anyswap.initVault(mpcAddress)).wait();
    }
    verify(computedAddr, constructor);
  }
  
  
  async function verify(contractAddress, constructorABI) {
    const sourceCode = await readFile('./AnyswapV4ERC20.sol').toString();
  
    request
    .post({
      method: 'POST',
      url: verifyURL,
      form: {
          apikey: apikey,
          module: 'contract',
          action: 'verifysourcecode',
          contractaddress: contractAddress,
          sourceCode: sourceCode,
          contractname: 'AnyswapV4ERC20.sol:AnyswapV4ERC20',
          compilerversion: 'v0.8.2+commit.661d1103',
          optimizationUsed: 1,
          runs: 200,
          constructorArguements: constructorABI,   //if applicable
          licenseType: 7,           //Valid codes 1-12 where 1=No License .. 12=Apache 2.0, see https://BscScan.com/contract-license-types
      }
    }).then(res => console.log(res))
    .catch(err => console.log(err));
  }
  
  async function checkCode() {
    const computedAddr = buildCreate2Address(
      factoryAddress,
      numberToUint256(salt),
      bytecode
    );
    console.log(await isContract(computedAddr));
  }
  
  async function mpc() {
    const computedAddr = buildCreate2Address(
      factoryAddress,
      numberToUint256(salt),
      bytecode
    );
    const anyswap = new ethers.Contract(computedAddr, anyswapERC20ABI, signer);
    const result = await (await anyswap.changeMPCOwner(mpcAddress)).wait();
    console.log(result.transactionHash);
  }
  
  async function run() {
    const result = await (await factory.deploy(bytecode, salt)).wait();
  
    const addr = result.events[0].args.addr.toLowerCase();
    console.log(result.transactionHash);
    console.log(addr);
  }
  
  