public async Task <ActionResult> Purchase(String id)
        {
            Clients.IAddressClient client = Factory.GetAddressClient("colu");

            //Models.Listing listing = ListingRepository.FindById(id);
            Models.OrderViewModel order = new Models.OrderViewModel();

            order.PaymentAddress = await client.GetAddressAsync();

            return(View(order));
        }
        // GET: Listing
        public async Task <ActionResult> Create(String id)
        {
            if (String.IsNullOrEmpty(id))
            {
                id = "colu";
            }

            Models.Listing listing = new Models.Listing();

            if (id == "colu")
            {
                Clients.IAddressClient client = Factory.GetAddressClient(id);
                listing.AssetAddress = await client.GetAddressAsync();
            }

            return(View(listing));
        }