Method fetchFundingRate

java/lib/src/main/java/io/github/ccxt/Exchange.java:12637–12667

(Object symbol2, Object... optionalArgs)

    }

    public java.util.concurrent.CompletableFuture<Object> fetchFundingRate(Object symbol2, Object... optionalArgs)
    {
        final Object symbol3 = symbol2;
        return java.util.concurrent.CompletableFuture.supplyAsync(() -> {
            Object symbol = symbol3;
            Object parameters = Helpers.getArg(optionalArgs, 0, new java.util.HashMap<String, Object>() {{}});
            if (Helpers.isTrue(Helpers.GetValue(this.has, "fetchFundingRates")))
            {
                (this.loadMarkets()).join();
                Object market = this.market(symbol);
                symbol = Helpers.GetValue(market, "symbol");
                if (!Helpers.isTrue(Helpers.GetValue(market, "contract")))
                {
                    throw new BadSymbol((String)Helpers.add(this.id, " fetchFundingRate() supports contract markets only")) ;
                }
                Object rates = (this.fetchFundingRates(new java.util.ArrayList<Object>(java.util.Arrays.asList(symbol)), parameters)).join();
                Object rate = this.safeValue(rates, symbol);
                if (Helpers.isTrue(Helpers.isEqual(rate, null)))
                {
                    throw new NullResponse((String)Helpers.add(Helpers.add(this.id, " fetchFundingRate () returned no data for "), symbol)) ;
                } else
                {
                    return rate;
                }
            } else
            {
                throw new NotSupported((String)Helpers.add(this.id, " fetchFundingRate () is not supported yet")) ;
            }
        });

    }

    public java.util.concurrent.CompletableFuture<Object> fetchFundingInterval(Object symbol2, Object... optionalArgs)
    {