Get the set of state paths that point to the current chain and state info.
        Returns a list of paths.

def get_state_paths(cls, impl, working_dir):
        """
        Get the set of state paths that point to the current chain and state info.
        Returns a list of paths.
        """
        return [config.get_db_filename(impl, working_dir), config.get_snapshots_filename(impl, working_dir)]