torrent-file: Fixing bug in wireEncode that breaks the implicit digest of the data packet

Change-Id: I3cf0e79e819c9d8c915b9ef766e9346828b00e66
Refs: #3489
diff --git a/src/torrent-file.cpp b/src/torrent-file.cpp
index 4302b53..a9797fd 100644
--- a/src/torrent-file.cpp
+++ b/src/torrent-file.cpp
@@ -227,13 +227,12 @@
   this->constructLongNames();
 }
 
-const Block&
-TorrentFile::wireEncode()
+void
+TorrentFile::finalize()
 {
   this->createSuffixCatalog();
   this->encodeContent();
   m_suffixCatalog.clear();
-  return Data::wireEncode();
 }
 
 } // namespace ntorrent
diff --git a/src/torrent-file.hpp b/src/torrent-file.hpp
index 89d3173..ea095ac 100644
--- a/src/torrent-file.hpp
+++ b/src/torrent-file.hpp
@@ -111,10 +111,13 @@
   wireDecode(const Block& wire);
 
   /**
-   * @brief Encode from wire format
+   * @brief Finalize .torrent-file before signing the data packet
+   *
+   * This method has to be called (every time) right before signing or encoding
+   * the .torrent-file
    */
-  const Block&
-  wireEncode();
+  void
+  finalize();
 
   /**
    * @brief Insert a name to the catalog of file manifest names