Method safeMarket

java/lib/src/main/java/io/github/ccxt/exchanges/OkxCore.java:1478–1503

(Object... optionalArgs)

    }

    public Object safeMarket(Object... optionalArgs)
    {
        Object marketId = Helpers.getArg(optionalArgs, 0, null);
        Object market = Helpers.getArg(optionalArgs, 1, null);
        Object delimiter = Helpers.getArg(optionalArgs, 2, null);
        Object marketType = Helpers.getArg(optionalArgs, 3, null);
        Object isOption = false;
        if (Helpers.isTrue(!Helpers.isEqual(marketId, null)))
        {
            Object parts = Helpers.split(marketId, "-");
            Object partsLength = Helpers.getArrayLength(parts);
            // a valid OKX option ends with the call/put flag and carries expiry+strike segments,
            // e.g. the market id BTC-USD-220325-194000-P (5 parts) or the unified symbol
            // BTC/USD:USD-260611-54000-C (4 parts). Requiring more than 3 dash-separated parts avoids
            // misclassifying ordinary ids that merely contain "-C"/"-P" (such as a SPOT id like
            // "PERFTESTA-PERFTESTB") as expired options, which would crash createExpiredOptionMarket
            // on the missing expiry.
            isOption = Helpers.isTrue((Helpers.isGreaterThan(partsLength, 3))) && Helpers.isTrue((Helpers.isTrue(((String)marketId).endsWith(((String)"-C"))) || Helpers.isTrue(((String)marketId).endsWith(((String)"-P")))));
        }
        if (Helpers.isTrue(Helpers.isTrue(isOption) && !Helpers.isTrue((Helpers.inOp(this.markets_by_id, marketId)))))
        {
            // handle expired option contracts
            return this.createExpiredOptionMarket(marketId);
        }
        return super.safeMarket(marketId, market, delimiter, marketType);
    }

    /**
     * @method