timrobbins1

  private def issueSignedRequest(path: String, params: Map[String, String] = Map(),
                                 post: Boolean = false): Future[JsonObject] = {

    val sortedParams = params.map(p => p._1 + "=" + p._2).toList.sorted
    val queryString = sortedParams.mkString("&")

    val nonce = Instant.now().toEpochMilli.toString

    val strForSign = path + "/" + nonce + "/" + queryString
    val strForSign64 = Base64.getEncoder.encodeToString(strForSign.getBytes(charset))