/**
     * @Route("/auto", name="auto")
     */
    public function auto(Request $request){

        $market = $request->query->get('market');
        $total = floatval($request->query->get('total'));

        $book = "https://bittrex.com/api/v1.1/public/getorderbook?market=$market&type=both&depth=50";

        $book = json_decode(file_get_contents($book))->result->sell;

        $sum = 0;
        $price = 0;

        foreach($book as $k=>$v){
            $sum += floatval($v->Quantity)*floatval($v->Rate);

            if($sum >= $total){
                $price = floatval($v->Rate);
                break;
            }
        }

        $quantity = $total/$price;

        echo "Q:$quantity P:$price";

        $buy = "https://bittrex.com/api/v1.1/market/buylimit?apikey=API_KEY&market=$market&quantity=$quantity&rate=$price";


        $apikey='';
        $apisecret='';
        $nonce=time();
        $uri='https://bittrex.com/api/v1.1/'.$command.'?market='.$market.'&apikey='.$apikey.'&nonce='.$nonce."&quantity=$quantity&rate=$price";
        $sign=hash_hmac('sha512',$uri,$apisecret);
        $ch = curl_init($uri);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array('apisign:'.$sign));
        $execResult = curl_exec($ch);
        $obj = json_decode($execResult);


        return new JsonResponse(array());
    }