first commit

src/EvenireDB/Event.cs

@@ -2,14 +2,14 @@
 {
     internal record Event : IEvent
     {
-        public Event(Guid id, string type, ReadOnlyMemory<byte> data)
+        public Event(EventId id, string type, ReadOnlyMemory<byte> data)
         {
             Id = id;
             Type = type;
             Data = data;
         }
 
-        public Guid Id { get; }
+        public EventId Id { get; }
         public string Type { get; }
         public ReadOnlyMemory<byte> Data { get; }
     }

src/EvenireDB/EventId.cs

@@ -0,0 +1,14 @@
+namespace EvenireDB
+{
+    public readonly struct EventId
+    {
+        public EventId(long timestamp, int sequence)
+        {
+            Timestamp = timestamp;
+            Sequence = sequence;
+        }
+
+        public long Timestamp { get; }
+        public int Sequence { get; }
+    }
+}

src/EvenireDB/IEvent.cs

@@ -4,7 +4,7 @@ namespace EvenireDB
 {
     public interface IEvent
     {
-        Guid Id { get; } // TODO: consider using a timestamp instead, like Redis streams
+        EventId Id { get; } // TODO: consider using a timestamp instead, like Redis streams
         string Type { get; }
         ReadOnlyMemory<byte> Data { get; }
     }