better logs

cart-grain.go

@@ -481,7 +481,7 @@ func (c *CartGrain) HandleMessage(message *Message, isReplay bool) (*FrameWithPa
 					Name:           item.Name,
 					Quantity:       item.Quantity,
 					UnitPrice:      int(item.Price),
-					TaxRate:        int(item.Tax),
+					TaxRate:        2500,
 					QuantityUnit:   "st",
 					TotalAmount:    int(item.TotalPrice),
 					TotalTaxAmount: int(item.TotalTax),
@@ -516,6 +516,7 @@ func (c *CartGrain) HandleMessage(message *Message, isReplay bool) (*FrameWithPa
 			}
 			log.Printf("Order result: %+v", klarnaOrder)
 			if nil != err {
+				log.Printf("error from klarna: %v", err)
 				return nil, err
 			}
 			if c.OrderReference == "" {