code: def rpc_get_account_tokens(self, address, **con_info):
          
          if not check_account_address(address):
              return {'error': 'Invalid address', 'http_status': 400}
  
          # must be b58
          if is_c32_address(address):
              address = c32ToB58(address)
  
          db = get_db_state(self.working_dir)
          token_list = db.get_account_tokens(address)
          db.close()
          return self.success_response({'token_types': token_list})
docs: Get the types of tokens that an account owns
          Returns the list on success