code: def rpc_get_name_blockchain_record(self, name, **con_info):
          
          res = None
          if check_name(name):
              res = self.get_name_record(name, include_expired=True, include_history=True)
          elif check_subdomain(name):
              res = self.get_subdomain_record(name, include_history=True)
          else:
              return {'error': 'Invalid name or subdomain', 'http_status': 400}
  
          if 'error' in res:
              return {'error': res['error'], 'http_status': res.get('http_status', 404)}
  
          return self.success_response({'record': res['record']})
docs: Lookup all blockchain state for a name or subdomain, including its history.
          Return {'status': True, 'record': rec} on success
          Return {'error': ...} on error