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accumulate_distribute_events_self_interval_tick.js.html
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href="module-TWAP.html#.processParams">processParams</a></li><li data-type='method'><a href="module-TWAP.html#.serialize">serialize</a></li><li data-type='method'><a href="module-TWAP.html#.unserialize">unserialize</a></li><li data-type='method'><a href="module-TWAP.html#.validateParams">validateParams</a></li></ul></li></ul><h3>Events</h3><ul><li><a href="AOHost.html#~event:dataBook">dataBook</a></li><li><a href="AOHost.html#~event:dataCandles">dataCandles</a></li><li><a href="AOHost.html#~event:dataManagedBook">dataManagedBook</a></li><li><a href="AOHost.html#~event:dataManagedCandles">dataManagedCandles</a></li><li><a href="AOHost.html#~event:dataNotification">dataNotification</a></li><li><a href="AOHost.html#~event:dataTicker">dataTicker</a></li><li><a href="AOHost.html#~event:dataTrades">dataTrades</a></li><li><a href="AOHost.html#~event:errorsInsufficientBalance">errorsInsufficientBalance</a></li><li><a href="AOHost.html#~event:errorsMinimumSize">errorsMinimumSize</a></li><li><a href="AOHost.html#~event:lifeStart">lifeStart</a></li><li><a href="AOHost.html#~event:lifeStop">lifeStop</a></li><li><a href="AOHost.html#~event:ordersOrderCancel">ordersOrderCancel</a></li><li><a href="AOHost.html#~event:ordersOrderError">ordersOrderError</a></li><li><a href="AOHost.html#~event:ordersOrderFill">ordersOrderFill</a></li><li><a href="module-AccumulateDistribute.html#~event:selfIntervalTick">selfIntervalTick</a></li><li><a href="module-AccumulateDistribute.html#~event:selfSubmitOrder">selfSubmitOrder</a></li><li><a href="module-Iceberg.html#~event:event:selfSubmitOrders">selfSubmitOrders</a></li><li><a href="module-MACrossover.html#~event:selfSubmitOrder">selfSubmitOrder</a></li><li><a href="module-OCOCO.html#~event:selfSubmitInitialOrder">selfSubmitInitialOrder</a></li><li><a href="module-OCOCO.html#~event:selfSubmitOCOOrder">selfSubmitOCOOrder</a></li><li><a href="module-TWAP.html#~event:selfIntervalTick">selfIntervalTick</a></li></ul><h3>Tutorials</h3><ul><li><a href="tutorial-Architecture.html">Architecture</a></li></ul><h3>Global</h3><ul><li><a href="global.html#defineAlgoOrder">defineAlgoOrder</a></li></ul>
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<h1 class="page-title">accumulate_distribute/events/self_interval_tick.js</h1>
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<article>
<pre class="prettyprint source linenums"><code>'use strict'
const hasOpenOrders = require('../../util/has_open_orders')
const scheduleTick = require('../util/schedule_tick')
/**
* Mapped to the `self:interval_tick` event and triggered by the instance
* itself.
*
* Schedules the next tick, and updates the orders-behind count on the instance
* state if an order is currently open (meaning it has not filled in its
* allocated window).
*
* If `awaitFill` is `false`, the open order is cancelled and will be replaced
* by the new order on the next tick. Otherwise nothing is done in order to
* await a fill.
*
* @memberOf module:AccumulateDistribute
* @listens module:AccumulateDistribute~event:selfIntervalTick
* @fires module:AccumulateDistribute~selfSubmitOrder
* @see module:AccumulateDistribute.scheduleTick
*
* @param {AOInstance} instance - AO instance state
* @returns {Promise} p
*/
const onSelfIntervalTick = async (instance = {}) => {
const { state = {}, h = {} } = instance
const { orders = {}, args = {}, gid, ordersBehind, orderAmounts, currentOrder } = state
const { emit, emitSelf, debug, updateState } = h
const { awaitFill, cancelDelay } = args
await scheduleTick.tick(instance)
if (hasOpenOrders(orders)) { // prev order still open
const nextOrdersBehind = Math.min(orderAmounts.length - currentOrder, ordersBehind + 1)
await updateState(instance, { // for catching up
ordersBehind: nextOrdersBehind
})
debug('now behind with %d orders', nextOrdersBehind)
if (!awaitFill) { // cancel current order if not awaiting fill
await emit('exec:order:cancel:all', gid, orders, cancelDelay)
} else {
debug('awaiting fill...')
return // await order fill, then rely on ordersBehind
}
}
/**
* Triggers generation of the configured atomic slice, and submits it
*
* @see module:AccumulateDistribute~generateOrder
* @event module:AccumulateDistribute~selfSubmitOrder
*/
await emitSelf('submit_order') // submit next slice order
}
module.exports = onSelfIntervalTick
</code></pre>
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