test add vouchers and shared service

cmd/cart/main.go

@@ -16,6 +16,7 @@ import (
 	"git.tornberg.me/go-cart-actor/pkg/discovery"
 	messages "git.tornberg.me/go-cart-actor/pkg/messages"
 	"git.tornberg.me/go-cart-actor/pkg/proxy"
+	"git.tornberg.me/go-cart-actor/pkg/voucher"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
@@ -92,10 +93,14 @@ func GetDiscovery() discovery.Discovery {
 	return discovery.NewK8sDiscovery(client)
 }
 
+type MutationContext struct {
+	VoucherService voucher.Service
+}
+
 func main() {
 
 	controlPlaneConfig := actor.DefaultServerConfig()
-
+	ctx := MutationContext{}
 	reg := actor.NewMutationRegistry()
 	reg.RegisterMutations(
 		actor.NewMutation(AddItem, func() *messages.AddItem {
@@ -125,6 +130,9 @@ func main() {
 		actor.NewMutation(ClearCart, func() *messages.ClearCartRequest {
 			return &messages.ClearCartRequest{}
 		}),
+		actor.NewMutation(ctx.AddVoucher, func() *messages.AddVoucher {
+			return &messages.AddVoucher{}
+		}),
 	)
 	diskStorage := actor.NewDiskStorage[CartGrain]("data", reg)
 	poolConfig := actor.GrainPoolConfig[CartGrain]{