Keybase WarpWallet Bounty Challenge

bounty.js

function randomString(length, chars) {
  var result = '';
  for (var i = length; i > 0; --i) result += chars[Math.floor(Math.random() * chars.length)];
  return result;
}
function searchWallet() {

  warpwallet.run({
    passphrase: randomString(8,'0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'),
    salt: 'a@b.c',
    progress_hook: (function(_this) {
      return function(o) {
        return false;
      };
    })(this),
    params: window.params
  }, (function(_this) {
    return function(res) {

      console.log(res["public"]);
      console.log(res["private"]);

      if ( res["public"] == '1MkupVKiCik9iyfnLrJoZLx9RH4rkF3hnA' ) {
        console.log('You found it! =D');
      } else {
        console.log('Out of luck...')
        searchWallet();
      }
    };
  })(this));

}

searchWallet();