public function createBill($login, $amount, $receiver, $message)
    {
        $currencyEntry = new Gamecurrency();
        $currencyEntry->setAmount($amount);
        $currencyEntry->setSenderlogin($login);
        $currencyEntry->setReceiverlogin($receiver);
        $currencyEntry->setMessage($message);
        $currencyEntry->setDatetime(new \DateTime());
        try {
            $currencyEntry->save();

            return $currencyEntry;

        } catch (\Exception $e) {
            $this->logger->error("Error while creating bill", ["exception" => $e]);
            $this->console->write('$f00 Fail.', true);

            return false;
        }
    }