public static function currencyList()
    {
        $path = dirname(realpath(__FILE__)).DIRECTORY_SEPARATOR.'data/currency.json';
        $currency = self::readJson($path, true);

        $listCurrency = [];

        foreach ($currency['Names'] as $code => $value) {
            $listCurrency[$code] = $value[1];
        }

        return $listCurrency;
    }