✨ Pass rewind service and account rewind service

DysonNetwork.Shared/Models/RewindPoint.cs

@@ -0,0 +1,21 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace DysonNetwork.Shared.Models;
+
+public class SnRewindPoint : ModelBase
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+    public int Year { get; set; } = DateTime.UtcNow.Year;
+    
+    /// <summary>
+    /// Due to every year the Solar Network upgrade become better and better.
+    /// The rewind data might be incompatible at that time,
+    /// this field provide the clues for the client to parsing the data correctly.
+    /// </summary>
+    public int SchemaVersion { get; set; } = 1;
+
+    [Column(TypeName = "jsonb")] public Dictionary<string, object?> Data { get; set; } = new();
+    
+    public Guid AccountId { get; set; }
+    public SnAccount Account { get; set; } = null!;
+}