add libsession encrypt/decrypt with pro proof

CMakeLists.txt

@@ -41,7 +41,6 @@ file(GLOB SOURCE_FILES src/*.cpp src/groups/*.cpp src/multi_encrypt/*.cpp)
 
 add_subdirectory(libsession-util)
 
-
 if(MSVC)
   # Windows is horrible
   add_compile_definitions(NOMINMAX)

include/groups/meta_group_wrapper.hpp

@@ -80,6 +80,7 @@ class MetaGroupWrapper : public Napi::ObjectWrap<MetaGroupWrapper> {
     Napi::Value keysNeedsRekey(const Napi::CallbackInfo& info);
     Napi::Value keyRekey(const Napi::CallbackInfo& info);
     Napi::Value keyGetAll(const Napi::CallbackInfo& info);
+    Napi::Value keyGetEncryptionKeyHex(const Napi::CallbackInfo& info);
     Napi::Value loadKeyMessage(const Napi::CallbackInfo& info);
     Napi::Value keyGetCurrentGen(const Napi::CallbackInfo& info);
     Napi::Value activeHashes(const Napi::CallbackInfo& info);