Method handlePostOnly

java/lib/src/main/java/io/github/ccxt/Exchange.java:12502–12538

(Object isMarketOrder, Object exchangeSpecificPostOnlyOption, Object... optionalArgs)

    }

    public Object handlePostOnly(Object isMarketOrder, Object exchangeSpecificPostOnlyOption, Object... optionalArgs)
    {
        /**
        * @ignore
        * @method
        * @param {string} type Order type
        * @param {boolean} exchangeSpecificBoolean exchange specific postOnly
        * @param {object} [params] exchange specific params
        * @returns {Array}
        */
        Object parameters = Helpers.getArg(optionalArgs, 0, new java.util.HashMap<String, Object>() {{}});
        Object timeInForce = this.safeStringUpper(parameters, "timeInForce");
        Object postOnly = this.safeBool(parameters, "postOnly", false);
        Object ioc = Helpers.isEqual(timeInForce, "IOC");
        Object fok = Helpers.isEqual(timeInForce, "FOK");
        Object po = Helpers.isEqual(timeInForce, "PO");
        postOnly = Helpers.isTrue(Helpers.isTrue(postOnly) || Helpers.isTrue(po)) || Helpers.isTrue(exchangeSpecificPostOnlyOption);
        if (Helpers.isTrue(postOnly))
        {
            if (Helpers.isTrue(Helpers.isTrue(ioc) || Helpers.isTrue(fok)))
            {
                throw new InvalidOrder((String)Helpers.add(Helpers.add(this.id, " postOnly orders cannot have timeInForce equal to "), timeInForce)) ;
            } else if (Helpers.isTrue(isMarketOrder))
            {
                throw new InvalidOrder((String)Helpers.add(this.id, " market orders cannot be postOnly")) ;
            } else
            {
                if (Helpers.isTrue(po))
                {
                    parameters = this.omit(parameters, "timeInForce");
                }
                parameters = this.omit(parameters, "postOnly");
                return new java.util.ArrayList<Object>(java.util.Arrays.asList(true, parameters));
            }
        }
        return new java.util.ArrayList<Object>(java.util.Arrays.asList(false, parameters));
    }

    public java.util.concurrent.CompletableFuture<Object> fetchLastPrices(Object... optionalArgs)
    {