44 lines
956 B
JavaScript
44 lines
956 B
JavaScript
const version = 6
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/*
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This migration moves KeyringController.selectedAddress to PreferencesController.selectedAddress
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*/
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const extend = require('xtend')
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const clone = require('clone')
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module.exports = {
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version,
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migrate: function (originalVersionedData) {
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const versionedData = clone(originalVersionedData)
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versionedData.meta.version = version
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try {
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const state = versionedData.data
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const newState = migrateState(state)
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versionedData.data = newState
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} catch (err) {
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console.warn(`MetaMask Migration #${version}` + err.stack)
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}
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return Promise.resolve(versionedData)
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},
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}
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function migrateState (state) {
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const keyringSubstate = state.KeyringController
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// add new state
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const newState = extend(state, {
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PreferencesController: {
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selectedAddress: keyringSubstate.selectedAccount,
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},
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})
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// rm old state
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delete newState.KeyringController.selectedAccount
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return newState
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}
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