more

pkg/checkout/checkout-grain.go

@@ -102,6 +102,7 @@ type CheckoutGrain struct {
 	Deliveries             []*CheckoutDelivery `json:"deliveries,omitempty"`
 	PaymentInProgress      uint16              `json:"paymentInProgress"`
 	AmountInCentsRemaining int64               `json:"amountRemaining"`
+	AmountInCentsStarted   int64               `json:"amountPaid"`
 	InventoryReserved      bool                `json:"inventoryReserved"`
 	Confirmation           *ConfirmationStatus `json:"confirmationViewed,omitempty"`
 	Payments               []*Payment          `json:"payments,omitempty"`

pkg/checkout/mutation_payment_declined.go

@@ -23,6 +23,7 @@ func HandlePaymentDeclined(g *CheckoutGrain, m *messages.PaymentDeclined) error
 	payment.CompletedAt = asPointer(time.Now())
 	payment.Status = "failed"
 	g.PaymentInProgress--
+	g.AmountInCentsStarted -= payment.Amount
 
 	return nil
 }

pkg/checkout/mutation_payment_started.go

@@ -77,6 +77,8 @@ func HandlePaymentStarted(g *CheckoutGrain, m *messages.PaymentStarted) error {
 		})
 	}
 
+	g.AmountInCentsStarted += m.Amount
+
 	return nil
 }