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69 lines
2.1 KiB
69 lines
2.1 KiB
import { prependZero } from '../../../shared/modules/string-utils';
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export default class BackupController {
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constructor(opts = {}) {
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const {
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preferencesController,
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addressBookController,
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trackMetaMetricsEvent,
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} = opts;
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this.preferencesController = preferencesController;
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this.addressBookController = addressBookController;
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this._trackMetaMetricsEvent = trackMetaMetricsEvent;
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}
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async restoreUserData(jsonString) {
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const existingPreferences = this.preferencesController.store.getState();
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const { preferences, addressBook } = JSON.parse(jsonString);
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if (preferences) {
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preferences.identities = existingPreferences.identities;
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preferences.lostIdentities = existingPreferences.lostIdentities;
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preferences.selectedAddress = existingPreferences.selectedAddress;
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this.preferencesController.store.updateState(preferences);
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}
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if (addressBook) {
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this.addressBookController.update(addressBook, true);
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}
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if (preferences && addressBook) {
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this._trackMetaMetricsEvent({
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event: 'User Data Imported',
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category: 'Backup',
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});
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}
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}
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async backupUserData() {
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const userData = {
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preferences: { ...this.preferencesController.store.getState() },
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addressBook: { ...this.addressBookController.state },
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};
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/**
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* We can remove these properties since we will won't be restoring identities from backup
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*/
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delete userData.preferences.identities;
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delete userData.preferences.lostIdentities;
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delete userData.preferences.selectedAddress;
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const result = JSON.stringify(userData);
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const date = new Date();
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const prefixZero = (num) => prependZero(num, 2);
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/*
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* userData.YYYY_MM_DD_HH_mm_SS e.g userData.2022_01_13_13_45_56
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* */
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const userDataFileName = `MetaMaskUserData.${date.getFullYear()}_${prefixZero(
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date.getMonth() + 1,
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)}_${prefixZero(date.getDay())}_${prefixZero(date.getHours())}_${prefixZero(
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date.getMinutes(),
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)}_${prefixZero(date.getDay())}.json`;
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return { fileName: userDataFileName, data: result };
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}
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}
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