Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/TelegramCore/Sources/AccountManager/AccountManagerSharedDataTable.swift

@@ -0,0 +1,39 @@
+import Foundation
+import Postbox
+
+final class AccountManagerSharedDataTable: Table {
+    
+    private var values:[ValueBoxKey : PreferencesEntry] = [:]
+    
+    static func tableSpec(_ id: Int32) -> ValueBoxTable {
+        return ValueBoxTable(id: id, keyType: .binary, compactValuesOnCreation: false)
+    }
+    
+    func get(key: ValueBoxKey) -> PreferencesEntry? {
+        if let object = self.values[key] {
+            return object
+        } else if let value = self.valueBox.get(self.table, key: key) {
+            return PreferencesEntry(data: value.makeData())
+        } else {
+            return nil
+        }
+    }
+    
+    func set(key: ValueBoxKey, value: PreferencesEntry?, updatedKeys: inout Set<ValueBoxKey>) {
+        if let value = value {
+            if let current = self.get(key: key), current == value {
+                return
+            }
+            self.valueBox.set(self.table, key: key, value: ReadBuffer(data: value.data))
+            updatedKeys.insert(key)
+            
+            self.values[key] = value
+            
+        } else if self.get(key: key) != nil {
+            self.valueBox.remove(self.table, key: key, secure: false)
+            updatedKeys.insert(key)
+            self.values.removeValue(forKey: key)
+        }
+    }
+}
+