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joaopsilva avatar joaopsilva commented on July 17, 2024

Hi @klaszlo8207, the minQty is 1. You can find these numbers by calling the getExchangeInfo method. It will return you the details about a trading pair, e.g. for XLMBTC:

{"filterType":"LOT_SIZE","minQty":"1.00000000","maxQty":"90000000.00000000","stepSize":"1.00000000"}

You can see that the minQty is 1.

from binance-java-api.

soumala-github avatar soumala-github commented on July 17, 2024

Hello Everyone, I m trying to buy, but I have exception like

com.binance.api.client.exception.BinanceApiException: Filter failure: MIN_NOTIONAL
com.binance.api.client.exception.BinanceApiException: Filter failure: LOT_SIZE

ExchangeInfo exchangeInfo = client.getExchangeInfo();

                                        Optional<SymbolInfo> optionalMin = exchangeInfo.getSymbols().stream().filter(symbolInfo -> symbolInfo.getSymbol().equals(symbol)).findAny();
                                        
                                        float minOrder = 0f;
                                        float minQty = 0f;
                                        if (optionalMin.isPresent()) {
                                            minOrder = Float.parseFloat(optionalMin.get().getFilters().get(3).getMinNotional());
                                            minQty = Float.parseFloat(optionalMin.get().getFilters().get(2).getMinQty());
                                        }
                                        
                                        float quantity = (minOrder / closePrice[i]) ;
                                        quantity = (float) Utils.round(quantity, 2);

                                        if (quantity < minQty){
                                            quantity = (float) Utils.round(minQty, 2);
                                        }

from binance-java-api.

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