code: function trip(item, ctx) {
  		item.state = C.CIRCUIT_OPEN;
  		item.ep.state = false;
  
  		if (item.cbTimer) {
  			clearTimeout(item.cbTimer);
  			item.cbTimer = null;
  		}
  
  		item.cbTimer = setTimeout(() => halfOpen(item, ctx), item.opts.halfOpenTime);
  		item.cbTimer.unref();
  
  		const rate = item.count > 0 ? item.failures / item.count : 0;
  		logger.debug(`Circuit breaker has been opened on '${item.ep.name}' endpoint.`, { nodeID: item.ep.id, action: item.ep.action.name, failures: item.failures, count: item.count, rate });
  		broker.broadcast("$circuit-breaker.opened", { nodeID: item.ep.id, action: item.ep.action.name, failures: item.failures, count: item.count, rate });
  	}
docs: Trip the circuit-breaker, change the status to open
  
  @param {Object} item
  @param {Context} ctx