Update expiry configuration

libsignal/protobuf/SignalService.proto

@@ -59,11 +59,26 @@ message Content {
   optional ExpirationType             expirationType             = 11;
   optional uint32                     expirationTimer            = 12;
   optional uint64         lastDisappearingMessageChangeTimestamp = 13;
+  optional SyncedExpiries             syncedExpiries             = 14;
 }
 
-message SyncedExpiry {
-  required string serverHash          = 1;
-  required uint64 expirationTimestamp = 2;
+message SyncedExpiries {
+
+  message SyncedConversationExpiries {
+
+    message SyncedExpiry {
+      // @required
+      required string serverHash          = 1; // messageHash for desktop and serverHash for mobile
+      // @required
+      required uint64 expirationTimestamp = 2; // this is only used for deleteAfterRead
+    }
+
+    // @required
+    required string       syncTarget = 1; // the conversationID those expiries are related to
+    repeated SyncedExpiry expiries   = 2;
+  }
+
+  repeated SyncedConversationExpiries conversationExpiries = 1;
 }
 
 message KeyPair {

libsignal/src/main/java/org/session/libsignal/utilities/Snode.kt

@@ -10,7 +10,8 @@ class Snode(val address: String, val port: Int, val publicKeySet: KeySet?) {
         DeleteMessage("delete"),
         OxenDaemonRPCCall("oxend_request"),
         Info("info"),
-        DeleteAll("delete_all")
+        DeleteAll("delete_all"),
+        Expire("expire")
     }
 
     data class KeySet(val ed25519Key: String, val x25519Key: String)