media: Ed25519-подписи блоков, local_attrs, MediaBlockReader, файловые вложения

tools/chatgui/src/messagedelegate.h

@@ -20,7 +20,12 @@ enum MessageDataRole {
     MsgVoicePlayStateRole = Qt::UserRole + 15,
     MsgVoicePlayPosRole   = Qt::UserRole + 16,
     MsgVoiceWaveformRole  = Qt::UserRole + 17,
-    MsgAuthorNodeIdRole = Qt::UserRole + 20,
+    MsgVoiceFileSizeRole  = Qt::UserRole + 18,
+    MsgVoiceBlockSizeRole = Qt::UserRole + 19,
+    MsgAuthorNodeIdRole   = Qt::UserRole + 20,
+    MsgVoiceNumBlocksRole = Qt::UserRole + 21,
+    MsgVoiceSigsRole      = Qt::UserRole + 22,
+    MsgFileDisplayNameRole = Qt::UserRole + 23,
 };
 
 class MessageDelegate : public QStyledItemDelegate {