earlybuy.js

/*
DWYOR
-no slip
-buying new tokens
-buying with BNB
original script by eattheblocks

npm install ethers
npm install fs
node earlybuy.js
*/
const ethers = require('ethers');
const fs = require('fs');

const addresses = {
  WBNB: '0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c',
  factory: '0xca143ce32fe78f1f7019d7d551a6402fc5350c73',
  router: '0x10ed43c718714eb63d5aa57b78b54704e256024e',
  recipient: 'YOUR ADDRESS'
};

const amountIn = ethers.utils.parseUnits('0.001', 'ether'); //buying amount 0.001 BNB

const mnemonic = 'YOUR PRIVATE KEY';
const provider = new ethers.providers.WebSocketProvider('YOUR WSS URL');
const wallet = new ethers.Wallet(mnemonic);
const account = wallet.connect(provider);

const factory = new ethers.Contract(
  addresses.factory,
  [
    'event PairCreated(address indexed token0, address indexed token1, address pair, uint)',
    'function getPair(address tokenA, address tokenB) external view returns (address pair)'
    ],
  account
);  



const router = new ethers.Contract(
  addresses.router,
  [
    'function getAmountsOut(uint amountIn, address[] memory path) public view returns (uint[] memory amounts)',
    'function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts)',
    'function swapExactTokensForTokens(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts)',
    'function swapExactTokensForETHSupportingFeeOnTransferTokens(uint amountIn, uint amountOutMin, address[] path, address to, uint256 deadline) external returns (uint[] memory amounts)'
  ],
  account
);


console.log('BOT STARTED - Semoga opit');
factory.on('PairCreated', async (token0, token1, pairAddress) => {

  let tokenIn, tokenOut;
  if(token0 === addresses.WBNB) {
    tokenIn = token0;
    tokenOut = token1;
  }

  if(token1 == addresses.WBNB) {
    tokenIn = token1;
    tokenOut = token0;
  }

  if(typeof tokenIn === 'undefined') {
    return;
  }

  
try {
  

   fs.appendFileSync("data.csv",'\n' + [tokenOut,pairAddress].join(","));
  const tx = await router.swapExactETHForTokens(
    amountIn,
    [tokenIn, tokenOut],
    addresses.recipient,
    Date.now() + 1000 * 60 * 10, //10m,
    {
        'gasLimit': 300000,
        'gasPrice': ethers.utils.parseUnits('5.102', 'gwei'),
        'value': amountIn
    }
  );

 const receipt = await tx.wait();
 console.log(`tx: https://www.bscscan.com/tx/${receipt.logs[1].transactionHash}`);
 console.log('next');
 // process.exit(); // Remove slash to stop buying new tokens

} catch(error) { 
//console.log(error);
} 
});