Change GetBlocksDir() to ArgsManager.GetBlocksDirPath().

src/util/system.h

@@ -91,8 +91,6 @@ void ReleaseDirectoryLocks();
 
 bool TryCreateDirectories(const fs::path& p);
 fs::path GetDefaultDataDir();
-// The blocks directory is always net specific.
-const fs::path &GetBlocksDir();
 const fs::path &GetDataDir(bool fNetSpecific = true);
 // Return true if -datadir option points to a valid directory or is not specified.
 bool CheckDataDirOption();
@@ -200,6 +198,7 @@ protected:
     std::map<OptionsCategory, std::map<std::string, Arg>> m_available_args GUARDED_BY(cs_args);
     bool m_accept_any_command GUARDED_BY(cs_args){true};
     std::list<SectionInfo> m_config_sections GUARDED_BY(cs_args);
+    fs::path m_cached_blocks_path GUARDED_BY(cs_args);
     mutable fs::path m_cached_datadir_path GUARDED_BY(cs_args);
     mutable fs::path m_cached_network_datadir_path GUARDED_BY(cs_args);
 
@@ -265,6 +264,13 @@ public:
      */
     std::optional<const Command> GetCommand() const;
 
+    /**
+     * Get blocks directory path
+     *
+     * @return Blocks path which is network specific
+     */
+    const fs::path& GetBlocksDirPath();
+
     /**
      * Get data directory path
      *