Refactor SyncCore

submodules/SyncCore/Sources/PeerGroupMessageStateVersionAttribute.swift

@@ -0,0 +1,23 @@
+import Foundation
+#if os(macOS)
+    import PostboxMac
+#else
+    import Postbox
+#endif
+
+public class PeerGroupMessageStateVersionAttribute: MessageAttribute {
+    public let stateIndex: Int32
+    
+    public init(stateIndex: Int32) {
+        self.stateIndex = stateIndex
+    }
+    
+    required public init(decoder: PostboxDecoder) {
+        self.stateIndex = decoder.decodeInt32ForKey("p", orElse: 0)
+    }
+    
+    public func encode(_ encoder: PostboxEncoder) {
+        encoder.encodeInt32(self.stateIndex, forKey: "p")
+    }
+}
+