def METHOD_NAME(self):
    """Makes the Spectrum node the new active node and saves it to disk"""
    logger.info("Activating Spectrum node.")
    if not self.is_spectrum_node_available:
        raise Exception("Spectrum is not enabled. Cannot start Electrum")
    nm: NodeManager = app.specter.node_manager
    if self.spectrum_node.is_running:
        app.specter.update_active_node(spectrum_node_alias)
        app.specter.node_manager.save_node(self.spectrum_node)
        logger.info(
            f"Activated node {self.spectrum_node} with rpc {self.spectrum_node.rpc}"
        )
    else:
        raise SpecterError(
            "Trying to switch Spectrum node but there seems to be a connection problem."
        )