49 lines
2.0 KiB
JavaScript
49 lines
2.0 KiB
JavaScript
import { useEffect, useState } from 'react';
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import { SECOND } from '../../shared/constants/time';
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/**
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* Evaluates whether the transaction is eligible to be sped up, and registers
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* an effect to check the logic again after the transaction has surpassed 5 seconds
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* of queue time.
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*
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* @param {object} transactionGroup - the transaction group to check against
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* @param {boolean} isEarliestNonce - Whether this group is currently the earliest nonce
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*/
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export function useShouldShowSpeedUp(transactionGroup, isEarliestNonce) {
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const { transactions, hasRetried } = transactionGroup;
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const [earliestTransaction = {}] = transactions;
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const { submittedTime } = earliestTransaction;
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const [speedUpEnabled, setSpeedUpEnabled] = useState(() => {
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return Date.now() - submittedTime > 5000 && isEarliestNonce && !hasRetried;
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});
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useEffect(() => {
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// because this hook is optimized to only run on changes we have to
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// key into the changing time delta between submittedTime and now()
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// and if the status of the transaction changes based on that difference
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// trigger a setState call to tell react to re-render. This effect will
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// also immediately set retryEnabled and not create a timeout if the
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// condition is already met. This effect will run anytime the variables
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// for determining enabled status change
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let timeoutId;
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if (!hasRetried && isEarliestNonce && !speedUpEnabled) {
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if (Date.now() - submittedTime > SECOND * 5) {
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setSpeedUpEnabled(true);
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} else {
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timeoutId = setTimeout(() => {
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setSpeedUpEnabled(true);
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clearTimeout(timeoutId);
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}, 5001 - (Date.now() - submittedTime));
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}
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}
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// Anytime the effect is re-ran, make sure to remove a previously set timeout
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// so as to avoid multiple timers potentially overlapping
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return () => {
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if (timeoutId) {
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clearTimeout(timeoutId);
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}
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};
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}, [submittedTime, speedUpEnabled, hasRetried, isEarliestNonce]);
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return speedUpEnabled;
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}
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