import abc
from typing import Optional

from source import managers
from source.behaviors.roles.base import BaseRole


class BaseActiveRole(BaseRole, abc.ABC):
    """
    Base for a role where the machine know what it should do in the network
    """

    def __init__(self, manager: "managers.Manager"):
        super().__init__(manager)

        # an "active" machine shall be able to use symmetric encryption
        self.secret_key: Optional[bytes] = None