Merge remote-tracking branch 'upstream/main'

src/main/java/com/b44t/messenger/DcChat.java

@@ -38,6 +38,7 @@ public class DcChat {
     public native String  getMailinglistAddr();
     public native String  getProfileImage   ();
     public native int     getColor          ();
+    public native boolean isEncrypted       ();
     public native boolean isUnpromoted      ();
     public native boolean isSelfTalk        ();
     public native boolean isDeviceTalk      ();

src/main/java/com/b44t/messenger/DcContact.java

@@ -57,6 +57,7 @@ public class DcContact {
     public native boolean wasSeenRecently();
     public native boolean isBlocked      ();
     public native boolean isVerified     ();
+    public native boolean isKeyContact   ();
     public native int     getVerifierId  ();
     public native boolean isBot          ();
 

src/main/java/com/b44t/messenger/rpc/Rpc.java

@@ -173,6 +173,10 @@ public class Rpc {
         }
     }
 
+    public String getMigrationError(int accountId) throws RpcException {
+        return gson.fromJson(getResult("get_migration_error", accountId), String.class);
+    }
+
     private static class Response {
         public final int id;
         public final JsonElement result;