DescountPercentage uses the generated gRPC client and call the GetDiscount to retrieve 0 or 0.05 percentageIn case the service is offline or we can't reach it for any reason, it will return 0.

Discount_ServiceDesc is the grpc.ServiceDesc for Discount service.

productID used to represent a product.

The discount percentage is a fixed value.

UnimplementedDiscountServer must be embedded to have forward compatible implementations.

DiscountClient is the client API for Discount service.

DiscountServer is the server API for Discount service.

UnsafeDiscountServer may be embedded to opt out of forward compatibility for this service.