const BLS = require('./node_modules/@noble/curves/bls12-381.js');
const CB = require('./node_modules/@noble/hashes/utils.js');
const U8TB = require('./node_modules/@noble/hashes/utils.js');

const VX_PUBKEY = "b40c94495f6e6e73619aeb54ec2fc84c5333f7a88ace82923946fc5b6c8635b08f9130888dd96e1749a1d5aab00020e4";

// this is prevGameHash for the game #10002812
var prevGameHash1 = "cde36243fc801dc2c77ba6284c81c5fc047039f217e704eb0edafc14e3d1b0a2";
let prevGameHash = new Uint8Array(Buffer.from(prevGameHash1));
  console.log(prevGameHash.length);
  console.log(prevGameHash);
var gameSalt = "000000000000000000011f6e135efe67d7463dfe7bb955663ef88b1243b2deea";
// this is vxSignature for the game #10002812
var vxSignature1 = "8b1ac9ffd6f0594be105c248a56c23e628b088ba4d6c8407c4dd4f406a977a2f68afc83f82a002a36c10df0cd2a3a9430703beec34ae1f218458237c49d39bef0ede106f53d1c3036fef3442d32900af207d03cfe9c46e49ac1d0c304d35ceff";
// this is vxSignature for the game #10002813
//var vxSignature1 = "8f2466a009be4b370d12fe90a9fcc89dbefe1ac08240877a82e16a6e2c0be6a4a0db43bc52dd5eab886fb61dc13d714504af001f4377b0ca2fc269fa3f5fc871c1c61ef6e9f2cd5e862354d5955c0a9c8674dcd7d291a82c448e4f3c68126bad";
let vxSignature = new Uint8Array(Buffer.from(vxSignature1));
  console.log(vxSignature.length);
  console.log(vxSignature);
const message = CB.concatBytes(prevGameHash, U8TB.utf8ToBytes(gameSalt));
  console.log(message.length);
  console.log(message);
return BLS.bls12_381.verify(vxSignature, message, VX_PUBKEY);

import { bls12_381 as bls } from "@noble/curves/bls12-381";
import { concatBytes, utf8ToBytes } from "@noble/hashes/utils";

const VX_PUBKEY = "b40c94495f6e6e73619aeb54ec2fc84c5333f7a88ace82923946fc5b6c8635b08f9130888dd96e1749a1d5aab00020e4";

function validateSignature(
  gameSalt: string, // the hash of block 831500
  prevGameHash: Uint8Array,
  vxSignature: Uint8Array
) {
  const message = concatBytes(prevGameHash, utf8ToBytes(gameSalt));
  return bls.verify(vxSignature, message, VX_PUBKEY);
}

var CryptoJS = require('./node_modules/crypto-js/crypto-js.js');
var isVerifying = false;

  var hash_input = process.argv[2];

  let prevHash = null;
  
  while (prevHash != 'f7a0cc38f223a24f40ca70faa4adb433be79be3eaf9ac8b37da39f57f1f8ed62') {
    let hash = String(prevHash ? CryptoJS.SHA256(String(prevHash)) : hash_input);
    let bust = gameResult(hash, '0000000000000000004d6ec16dafe9d8370958664c1dc422f452892264c59526');
    
    console.log(bust, hash);

    prevHash = hash;
  }

function gameResult(seed, salt) {
  const nBits = 52; // number of most significant bits to use

  // 1. HMAC_SHA256(message=seed, key=salt)  
  const hmac = CryptoJS.HmacSHA256(CryptoJS.enc.Hex.parse(seed), salt);
  seed = hmac.toString(CryptoJS.enc.Hex);

  // 2. r = 52 most significant bits
  seed = seed.slice(0, nBits / 4);
  const r = parseInt(seed, 16);

  // 3. X = r / 2^52
  let X = r / Math.pow(2, nBits); // uniformly distributed in [0; 1)

  // 4. X = 99 / (1-X)
  X = 99 / (1 - X);

  // 5. return max(trunc(X), 100)
  const result = Math.floor(X);
  return Math.max(1, result / 100);
};