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metamask-extension/app/scripts/migrations/021.js
2018-01-31 10:49:58 -08:00

35 lines
717 B
JavaScript

const version = 21
/*
This migration removes the BlackListController from disk state
*/
const clone = require('clone')
module.exports = {
version,
migrate: function (originalVersionedData) {
const versionedData = clone(originalVersionedData)
versionedData.meta.version = version
try {
const state = versionedData.data
const newState = transformState(state)
versionedData.data = newState
} catch (err) {
console.warn(`MetaMask Migration #${version}` + err.stack)
}
return Promise.resolve(versionedData)
},
}
function transformState (state) {
const newState = state
delete newState.BlacklistController
delete newState.RecentBlocks
return newState
}