Method safeCurrencyCode

java/lib/src/main/java/io/github/ccxt/Exchange.java:12115–12120

(Object currencyId, Object... optionalArgs)

    }

    public Object safeCurrencyCode(Object currencyId, Object... optionalArgs)
    {
        Object currency = Helpers.getArg(optionalArgs, 0, null);
        currency = this.safeCurrency(currencyId, currency);
        return Helpers.GetValue(currency, "code");
    }

    public Object filterBySymbolSinceLimit(Object array, Object... optionalArgs)
    {