OrderHistory.php->changeIdOrderState() has a clear check in there:
check on line 377
if ($new_os->paid == 1) {
... [add entries to ps_order_payment and ps_order_invocie_payment]
Edit History
OrderHistory.php->changeIdOrderState() has a clear check in there:
check on line 377
if ($new_os->paid == 1) {
...