IPaymentService.cs

using System.Threading.Tasks;
using Waher.Persistence;
using Waher.Runtime.Inventory;
 
namespace Paiwise
{
    public interface IPaymentService : IServiceProvider, IProcessingSupport<CaseInsensitiveString>
    {
        IPaymentServiceProvider PaymentServiceProvider { get; }
 
        Task<PaymentResult> Pay(decimal Amount, string Currency, string Description, string SuccessUrl, string FailureUrl, string CancelUrl, 
            ClientUrlEventHandler ClientUrlCallback, object State);
    }
}