code: function (bnList) {
      var ret = []
      for (var k in bnList) {
        var v = bnList[k]
        if (ethutil.BN.isBN(v)) {
          ret.push('0x' + v.toString('hex', 64))
        } else {
          ret.push('0x' + (new ethutil.BN(v)).toString('hex', 64)) // TEMP FIX TO REMOVE ONCE https://github.com/ethereumjs/ethereumjs-vm/pull/293 is released
        }
      }
      return ret
    }
docs: /*
  ints: list of BNs