Fixed to make proper use of the MIN_NOTIONAL parameter.

extensions/exchanges/binance/update-products.sh

@@ -21,13 +21,16 @@ new ccxt.binance().fetch_markets().then(function(markets) {
         break
     }
 
-    var min_size    = Number(market.info.filters[1].minQty);
-    var minNotional = Number(market.info.filters[2].minNotional);
-    // Orders must be strictly greater than minNotional
-    if (min_size <= minNotional) {
-      min_size += Number(assetStepSize);
-    }
-    min_size = min_size.toString();
+    // The MIN_NOTIONAL filter defines the minimum notional value allowed for an order on a symbol.
+    // An orders notional value is the price * quantity.
+    // In order to know the Value it is necessary to know the price which does not come on this JSon.
+    // But I have the maxPrice which seems to be: price * 10
+    var maxPrice       = Number(market.info.filters[0].maxPrice);
+    var curPrice       = maxPrice / 10;
+    var minNotional    = Number(market.info.filters[2].minNotional);
+    var minNotionalQty = minNotional / curPrice;
+    var minQty         = Number(market.info.filters[1].minQty);
+    var min_size       = Math.max(minQty, minNotionalQty).toString();
 
     products.push({
       id: market.id,