user.py 文件源码

def _restore_state(self):
        """ Restore user state. """
        try:
            state = self._state_store.get_value(self._state_store_key)
            state_dict = pickle.loads(
                binascii.unhexlify(state.encode("utf-8")))
            self._name = state_dict['name']
            self.enrollment_secret = state_dict['enrollment_secret']
            enrollment = state_dict['enrollment']
            if enrollment:
                private_key = serialization.load_pem_private_key(
                    enrollment['private_key'],
                    password=None,
                    backend=default_backend()
                )
                cert = enrollment['cert']
                self.enrollment = Enrollment(private_key, cert)
            self.affiliation = state_dict['affiliation']
            self.account = state_dict['account']
            self.roles = state_dict['roles']
            self._org = state_dict['org']
            self.msp_id = state_dict['msp_id']
        except Exception as e:
            raise IOError("Cannot deserialize the user", e)