[cflsystems]

1. Order # is assigned as soon as customer clicks on "place order". This is way before they rich any payment processing.
2. After order is actually placed within XC orders tables, some emails are send (if set to be send, like initialized orders), some other internal tasks are done - like points, quantity decrease, etc.
3. Yes it does.
4. If customer abandons order before "place order" there is no order # assigned, nothing has happened; if they leave at the CC info screen - order has been placed within XC already and it will show as initialized or queued but stays in XC; it will also show in X-Payments as cancelled (or whatever status is assigned to it for this).
5. This will create multiple sequential order # - last one will be successful, all previous attempts - cancelled, failed, declined...

Please note though that this is not entirely X-Payments fault - it is how XC deals with orders and yes it is wrong as order record is created first before anything else happens...