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Remove the disk store (#7170)

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The disk store has not been written to since MetaMask v4.3.0, as it was
removed in #3083. It was kept around so that anything written to disk
prior to v4.3.0 could still be restored.

It has been a year and a half since that release, so I think it's time
to remove the disk store altogether. The consequences of losing locally
stored data are small anyway - it's an inconvenience at worst.
This commit is contained in:
Mark Stacey 2019-09-16 19:29:26 -03:00 committed by GitHub
parent 3696e4c648
commit b5da8a237e
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1 changed files with 3 additions and 19 deletions
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22
app/scripts/background.js
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@ -14,7 +14,6 @@ const pump = require('pump')
const debounce = require('debounce-stream')
const log = require('loglevel')
const extension = require('extensionizer')
const LocalStorageStore = require('obs-store/lib/localStorage')
const LocalStore = require('./lib/local-store')
const storeTransform = require('obs-store/lib/transform')
const asStream = require('obs-store/lib/asStream')
@ -43,7 +42,6 @@ const {
// METAMASK_TEST_CONFIG is used in e2e tests to set the default network to localhost
const firstTimeState = Object.assign({}, rawFirstTimeState, global.METAMASK_TEST_CONFIG)
const STORAGE_KEY = 'metamask-config'
const METAMASK_DEBUG = process.env.METAMASK_DEBUG
log.setDefaultLevel(process.env.METAMASK_DEBUG ? 'debug' : 'warn')
@ -67,7 +65,6 @@ let notificationIsOpen = false
const openMetamaskTabsIDs = {}
// state persistence
const diskStore = new LocalStorageStore({ storageKey: STORAGE_KEY })
const localStore = new LocalStore()
let versionedData
@ -180,7 +177,6 @@ async function loadStateFromPersistence () {
// read from disk
// first from preferred, async API:
versionedData = (await localStore.get()) ||
diskStore.getState() ||
migrator.generateInitialState(firstTimeState)
// check if somehow state is empty
@ -188,21 +184,9 @@ async function loadStateFromPersistence () {
// for a small number of users
// https://github.com/metamask/metamask-extension/issues/3919
if (versionedData && !versionedData.data) {
// try to recover from diskStore incase only localStore is bad
const diskStoreState = diskStore.getState()
if (diskStoreState && diskStoreState.data) {
// we were able to recover (though it might be old)
versionedData = diskStoreState
const vaultStructure = getObjStructure(versionedData)
sentry.captureMessage('MetaMask - Empty vault found - recovered from diskStore', {
// "extra" key is required by Sentry
extra: { vaultStructure },
})
} else {
// unable to recover, clear state
versionedData = migrator.generateInitialState(firstTimeState)
sentry.captureMessage('MetaMask - Empty vault found - unable to recover')
}
// unable to recover, clear state
versionedData = migrator.generateInitialState(firstTimeState)
sentry.captureMessage('MetaMask - Empty vault found - unable to recover')
}
// report migration errors to sentry