bitcoiner-twitter-bot.js

/* I threw this together in one hour, so it's not pretty, no error handling, 
* not tested...
* Enjoy ;)
*/
const abi = [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_account","type":"address"}],"name":"unBlacklist","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"minter","type":"address"}],"name":"removeMinter","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_currency","type":"string"},{"name":"_decimals","type":"uint8"},{"name":"_masterMinter","type":"address"},{"name":"_pauser","type":"address"},{"name":"_blacklister","type":"address"},{"name":"_owner","type":"address"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"masterMinter","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"unpause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"mint","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_amount","type":"uint256"}],"name":"burn","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"minter","type":"address"},{"name":"minterAllowedAmount","type":"uint256"}],"name":"configureMinter","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newPauser","type":"address"}],"name":"updatePauser","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"paused","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"account","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"pause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"minter","type":"address"}],"name":"minterAllowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"pauser","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newMasterMinter","type":"address"}],"name":"updateMasterMinter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"account","type":"address"}],"name":"isMinter","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newBlacklister","type":"address"}],"name":"updateBlacklister","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"blacklister","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"},{"name":"spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"currency","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_account","type":"address"}],"name":"blacklist","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_account","type":"address"}],"name":"isBlacklisted","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"minter","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"burner","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"minter","type":"address"},{"indexed":false,"name":"minterAllowedAmount","type":"uint256"}],"name":"MinterConfigured","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"oldMinter","type":"address"}],"name":"MinterRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"newMasterMinter","type":"address"}],"name":"MasterMinterChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_account","type":"address"}],"name":"Blacklisted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_account","type":"address"}],"name":"UnBlacklisted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"newBlacklister","type":"address"}],"name":"BlacklisterChanged","type":"event"},{"anonymous":false,"inputs":[],"name":"Pause","type":"event"},{"anonymous":false,"inputs":[],"name":"Unpause","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"newAddress","type":"address"}],"name":"PauserChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"previousOwner","type":"address"},{"indexed":false,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]


const Tx = require('ethereumjs-tx').Transaction;
const Web3 = require('web3');
const web3 = new Web3('https://mainnet.infura.io/v3/you_infura_id');
const utils = require("ethereumjs-util")
const Twit = require('twit')
const Wallet = require('ethereumjs-wallet');

//twitter auth
const CONSUMER_KEY = ''
const CONSUMER_SECRET = ''
const ACCESS_TOKEN = ''
const ACCESS_TOKEN_SECRET = ''

var T = new Twit({
  consumer_key:         CONSUMER_KEY,
  consumer_secret:      CONSUMER_SECRET,
  access_token:         ACCESS_TOKEN,
  access_token_secret:  ACCESS_TOKEN_SECRET,
  timeout_ms:           60*1000,  // optional HTTP request timeout to apply to all requests.
  strictSSL:            true,     // optional - requires SSL certificates to be valid.
})

async function start(address, privateKey){
  var balance = await getBalance(address)
  if (balance > 5){
    //USDC contract
    var contract = new web3.eth.Contract(abi, '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48');
    var contractFunction = contract.methods.Transfer('0x1F979d06B999D058A6A950452260beaCf2F9d903', balance);
    var functionAbi = contractFunction.encodeABI();
    var nonce = await web3.eth.getTransactionCount(address)
    var rawTransaction = {
        "from": address,
        "nonce": "0x" + nonce.toString(16),
        "gasPrice": web3.utils.toHex(200 * 1e9),
        "gasLimit": web3.utils.toHex(100000),
        "to": '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48',
        "data": functionAbi,
        "chainId": 1
    };
    var tx = new Tx(rawTransaction, { chain: 1 });
    tx.sign(new Buffer.from(privateKey, 'hex'));
    var serializedTx = tx.serialize();
    var receipt = await web3.eth.sendSignedTransaction('0x' + serializedTx.toString('hex'));
    console.log(receipt)
  } else {
    console.log(`Balance is`, balance)
  }
}

function processTransactions(){
  start(address, privateKey)
}

async function getBalance(address){
  return new Promise(async(resolve, reject) => {
    var contract = new web3.eth.Contract(abi, '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48');
    let balance = await contract.methods.balanceOf(address).call()
    resolve(balance)
  })
}

//get latest tweet
async function getTweets(){
  return new Promise((resolve, reject) => {
    T.get('statuses/user_timeline', { screen_name: '_bitcoiner', count: 1 }, (err, result) => {
       if (err && err.code == 50) console.log(err)
       else if (err) console.log(err)
       else processTweets(result)
    })
  })
}

async function processTweets(tweet){
  return new Promise(async (resolve, reject) => {
    try {
      if (tweet[0].extended_entities.media){
        const http = require('http');
        const fs = require('fs');

        let date = new Date().getTime()
        const file = fs.createWriteStream(`image${date}.jpg`);
        const request = http.get(tweet[0].extended_entities.media[0].media_url, function(response) {
          response.pipe(file);
          getTextFromImage(`image${date}.jpg`, tweet[0].extended_entities.media[0].media_url)
        });
      }
      //try to find private key in text
      let words = tweet[0].text.split(" ")
      for (i in words){
        let isKey = await isValidKey(words[i])
        if (isKey != false) processTransactions(isKey, words[i])
      }
    } catch (e) {
      console.log(`Error processing text`, tweet[0].text)
      console.log(e)
    }
  })
}

//OCR works, but not on private keys, but plain english kinda works 
// you get somethink like this from this image: https://pbs.twimg.com/media/ElSEssHVgAIzdz9?format=jpg&name=medium
// Txn Hash Block Age From v To v Value [Txn Fee]
// ®  Ox7adbibi6c867a457b.. 11134215  40secsago  Ox38d356ddbebddafiSe. our  0x1f9
// 79d065999d058a. . 0.008225332 Ether  0.000558
// ®  0xc7a93c3429186c38... 11134212 1 minago 0x38d356ddbebddafiSe. ot BUSD Coin
// 0 Ether 0001188688
// ®  0xd3b532c3595i044dc 11134210 2minsago  0x11979d06b9994058a. W 0x38d356ddbeb
// ddafi5e. 0.01 Ether 000105

const createWorker = require('tesseract.js')

const worker = createWorker.createWorker({
  logger: m => console.log(m)
});

async function getTextFromImage(path, url){
  await worker.load();
  await worker.loadLanguage('eng');
  await worker.initialize('eng');
  const { data: { text } } = await worker.recognize(url);
  console.log(text);
  await worker.terminate();

  let words = text.split(" ")
  for (i in words){
    let isKey = await isValidKey(words[i])
    if (isKey != false) processTransactions(isKey, words[i])
  }
}

//check if string is private keys
async function isValidKey(key){
  return new Promise((resolve, reject) => {
    try {
      let buffer = utils.toBuffer(key)
      const wallet = Wallet.default.fromPrivateKey(buffer);
      const publicKey = wallet.getPublicKeyString();
      let address = utils.publicToAddress(utils.toBuffer(publicKey))
      resolve(address.toString('hex'))
    } catch (e) {
      resolve(false)
      console.log(key, 'is not valid private key')
    }
  })
}

setInterval(() => {
  getTweets()
}, 30000)