update naming

cart-grain.go

@@ -72,7 +72,7 @@ type CartGrain struct {
 	Processing        bool            `json:"processing"`
 	PaymentInProgress bool            `json:"paymentInProgress"`
 	OrderReference    string          `json:"orderReference,omitempty"`
-	PaymentReference  string          `json:"paymentReference,omitempty"`
+	PaymentStatus     string          `json:"paymentStatus,omitempty"`
 }
 
 type Grain interface {
@@ -480,7 +480,8 @@ func (c *CartGrain) HandleMessage(message *Message, isReplay bool) (*FrameWithPa
 			err = fmt.Errorf("expected OrderCompleted")
 		} else {
 			c.OrderReference = msg.OrderId
-			c.PaymentReference = msg.Status
+			c.PaymentStatus = msg.Status
+			c.PaymentInProgress = false
 		}
 	default:
 		err = fmt.Errorf("unknown message type %d", message.Type)