btcpayserver/BTCPayServer.Client/Models/InvoiceData.cs

using System;
using Newtonsoft.Json;
using Newtonsoft.Json.Converters;

namespace BTCPayServer.Client.Models
{
    public class InvoiceData : CreateInvoiceRequest
    {
        public string Id { get; set; }
        [JsonConverter(typeof(StringEnumConverter))]
        public InvoiceStatus Status { get; set; }
        [JsonConverter(typeof(StringEnumConverter))]
        public InvoiceExceptionStatus AdditionalStatus { get; set; }
        [JsonConverter(typeof(NBitcoin.JsonConverters.DateTimeToUnixTimeConverter))]
        public DateTimeOffset MonitoringExpiration { get; set; }
        [JsonConverter(typeof(NBitcoin.JsonConverters.DateTimeToUnixTimeConverter))]
        public DateTimeOffset ExpirationTime { get; set; }
        [JsonConverter(typeof(NBitcoin.JsonConverters.DateTimeToUnixTimeConverter))]
        public DateTimeOffset CreatedTime { get; set; }
    }
    public enum InvoiceStatus
    {
        New,
        Processing,
        Expired,
        Invalid,
        Settled
    }
}