'use strict'
/**
* Triggered when an atomic order cancellation is detected; cancels any open
* orders and emits the `exec:stop` event to trigger teardown.
*
* Mapped to the `orders:order_cancel` event.
*
* @memberOf module:TWAP
* @listens AOHost~ordersOrderCancel
*
* @param {object} instance - AO instance
* @param {object} order - the order that was cancelled
* @returns {Promise} p - resolves on completion
*/
const onOrdersOrderCancel = async (instance = {}, order) => {
const { state = {}, h = {} } = instance
const { args = {}, orders = {}, gid } = state
const { emit, debug } = h
const { cancelDelay } = args
debug('detected atomic cancelation, stopping...')
await emit('exec:order:cancel:all', gid, orders, cancelDelay)
await emit('exec:stop')
}
module.exports = onOrdersOrderCancel