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metamask-extension/ui/app/helpers/utils/fetch-with-cache.js
Whymarrh Whitby 748801f417 4byte fallback (#6551)
* Adds 4byte registry fallback to getMethodData() (#6435)

* Adds fetchWithCache to guard against unnecessary API calls

* Add custom fetch wrapper with abort on timeout

* Use opts and cacheRefreshTime in fetch-with-cache util

* Use custom fetch wrapper with timeout for fetch-with-cache

* Improve contract method data fetching (#6623)

* Remove async call from getTransactionActionKey()

* Stop blocking confirm screen rendering on method data loading, and base screen route on transactionCategory

* Remove use of withMethodData, fix use of knownMethodData, in relation to transaction-list-item.component

* Load data contract method data progressively, making it non-blocking; requires simplifying conf-tx-base lifecycle logic.

* Allow editing of gas price while loading on the confirm screen.

* Fix transactionAction component and its unit tests.

* Fix confirm transaction components for cases of route transitions within metamask.

* Only call toString on id if truthy in getNavigateTxData()

* Fix knownMethodData retrieval and data fetching from fourbyte
2019-06-18 09:47:14 -02:30

29 lines
796 B
JavaScript

import {
loadLocalStorageData,
saveLocalStorageData,
} from '../../../lib/local-storage-helpers'
import http from './fetch'
const fetch = http({
timeout: 30000,
})
export default function fetchWithCache (url, opts, cacheRefreshTime = 360000) {
const currentTime = Date.now()
const cachedFetch = loadLocalStorageData('cachedFetch') || {}
const { cachedUrl, cachedTime } = cachedFetch[url] || {}
if (cachedUrl && currentTime - cachedTime < cacheRefreshTime) {
return cachedFetch[url]
} else {
cachedFetch[url] = { cachedUrl: url, cachedTime: currentTime }
saveLocalStorageData(cachedFetch, 'cachedFetch')
return fetch(url, {
referrerPolicy: 'no-referrer-when-downgrade',
body: null,
method: 'GET',
mode: 'cors',
...opts,
})
}
}