var n;
var i = 100;
for (; i < 18750000; ) {
    publicClient.getProductTrades({ after: i }, function (err, response, data) {
        if (err) {
            console.log(err);
            return;
        }
        MongoClient.connect(url, function (err, db) {
            if (err) {
                console.log(err);
                return;
            }
            var myobj = { data };
            for (item in data) {
                db.collection("EthTest").insertOne(data[item], function (err, res) {
                    if (err) {
                        console.log(err);
                        return;
                    }
                });
                console.log(data[item].trade_id);
            }
            db.close();
        });
    });
    i = i + 100;
};