--- a/sat/memory/persistent.py	Sun Mar 22 14:31:48 2020 +0100
+++ b/sat/memory/persistent.py	Sun Mar 22 18:35:22 2020 +0100
@@ -127,6 +127,18 @@
     def get(self, key, default=None):
         return self._cache.get(key, default)
 
+    def aset(self, key, value):
+        """Async set, return a Deferred fired when value is actually stored"""
+        self._cache.__setitem__(key, value)
+        return self.storage.setPrivateValue(self.namespace, key, value,
+                                            self.binary, self.profile)
+
+    def adel(self, key):
+        """Async del, return a Deferred fired when value is actually deleted"""
+        self._cache.__delitem__(key)
+        return self.storage.delPrivateValue(
+            self.namespace, key, self.binary, self.profile)
+
     def setdefault(self, key, default):
         try:
             return self._cache[key]