container: plugins: root: bitcoin: support Pluggable entrypoint

container/plugins/root/bitcoin/bitcoin.cc

@@ -1,6 +1,6 @@
 // docker-finance | modern accounting for the power-user
 //
-// Copyright (C) 2025 Aaron Fiore (Founder, Evergreen Crypto LLC)
+// Copyright (C) 2025-2026 Aaron Fiore (Founder, Evergreen Crypto LLC)
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -43,12 +43,26 @@ inline std::string get_repo_path()
          + "/bitcoin/";
 }
 
+//! \brief Pluggable entrypoint
+//! \ingroup cpp_plugin_impl
+//! \since docker-finance 1.1.0
+class bitcoin_cc
+{
+ public:
+  bitcoin_cc() = default;
+  ~bitcoin_cc() = default;
+
+  bitcoin_cc(const bitcoin_cc&) = default;
+  bitcoin_cc& operator=(const bitcoin_cc&) = default;
+
+  bitcoin_cc(bitcoin_cc&&) = default;
+  bitcoin_cc& operator=(bitcoin_cc&&) = default;
+
+ public:
   //! \brief Initialize this bitcoin plugin
   //! \details Bare-essential initializations, will require manual loading for any further functionality
   //! \warning Initializations *MUST* occur here before any other bitcoin lib use
-//! \ingroup cpp_plugin_impl
+  static void load(const std::string& arg = {})
-//! \since docker-finance 1.1.0
-void load(const std::string& arg = {})
   {
     namespace common = ::dfi::common;
 
@@ -73,12 +87,10 @@ void load(const std::string& arg = {})
   //! \brief Deinitialize this bitcoin plugin
   //! \details Bare-essential deinitializations, will require manual unloading for any other previously loaded functionality
   //! \warning Unloading certain bitcoin headers may result in Cling segfault due to bitcoin library design
-//! \ingroup cpp_plugin_impl
-//! \since docker-finance 1.1.0
   //! \todo It appears that, due to bitcoin design, unloading will result in
   //!   Cling segfault "*** Break *** illegal instruction". With that said, it's
   //!   best to exit `root` if you want a clean workspace (instead of unloading this plugin).
-void unload(const std::string& arg = {})
+  static void unload(const std::string& arg = {})
   {
     namespace common = ::dfi::common;
 
@@ -98,6 +110,7 @@ void unload(const std::string& arg = {})
     // TODO(unassigned): remove_include_dir()
     common::remove_linked_lib(repo + "build/lib/libbitcoinkernel.so");
   }
+};
 }  // namespace bitcoin
 }  // namespace dfi::plugin