Add Webhooks in store's settings

BTCPayServer/Data/WebhookDataExtensions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using BTCPayServer.Client.Models;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using SshNet.Security.Cryptography;
+
+namespace BTCPayServer.Data
+{
+    public class AuthorizedWebhookEvents
+    {
+        public bool Everything { get; set; }
+
+        [JsonProperty(ItemConverterType = typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
+        public WebhookEventType[] SpecificEvents { get; set; } = Array.Empty<WebhookEventType>();
+        public bool Match(WebhookEventType evt)
+        {
+            return Everything || SpecificEvents.Contains(evt);
+        }
+    }
+
+    
+    public class WebhookDeliveryBlob
+    {
+        [JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
+        public WebhookDeliveryStatus Status { get; set; }
+        public int? HttpCode { get; set; }
+        public string ErrorMessage { get; set; }
+        public byte[] Request { get; set; }
+        public T ReadRequestAs<T>()
+        {
+            return JsonConvert.DeserializeObject<T>(UTF8Encoding.UTF8.GetString(Request), HostedServices.WebhookNotificationManager.DefaultSerializerSettings);
+        }
+    }
+    public class WebhookBlob
+    {
+        public string Url { get; set; }
+        public bool Active { get; set; } = true;
+        public string Secret { get; set; }
+        public bool AutomaticRedelivery { get; set; }
+        public AuthorizedWebhookEvents AuthorizedEvents { get; set; }
+    }
+    public static class WebhookDataExtensions
+    {
+        public static WebhookBlob GetBlob(this WebhookData webhook)
+        {
+            return JsonConvert.DeserializeObject<WebhookBlob>(Encoding.UTF8.GetString(webhook.Blob));
+        }
+        public static void SetBlob(this WebhookData webhook, WebhookBlob blob)
+        {
+            webhook.Blob = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(blob));
+        }
+        public static WebhookDeliveryBlob GetBlob(this WebhookDeliveryData webhook)
+        {
+            return JsonConvert.DeserializeObject<WebhookDeliveryBlob>(ZipUtils.Unzip(webhook.Blob), HostedServices.WebhookNotificationManager.DefaultSerializerSettings);
+        }
+        public static void SetBlob(this WebhookDeliveryData webhook, WebhookDeliveryBlob blob)
+        {
+            webhook.Blob = ZipUtils.Zip(JsonConvert.SerializeObject(blob, Formatting.None, HostedServices.WebhookNotificationManager.DefaultSerializerSettings));
+        }
+    }
+}