81 lines
2.0 KiB
JavaScript
81 lines
2.0 KiB
JavaScript
const IdentityStore = require('./idStore')
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const HdKeyring = require('../keyrings/hd')
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const sigUtil = require('./sig-util')
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const normalize = sigUtil.normalize
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const denodeify = require('denodeify')
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module.exports = class IdentityStoreMigrator {
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constructor ({ configManager }) {
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this.configManager = configManager
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const hasOldVault = this.hasOldVault()
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if (!hasOldVault) {
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this.idStore = new IdentityStore({ configManager })
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}
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}
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migratedVaultForPassword (password) {
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const hasOldVault = this.hasOldVault()
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const configManager = this.configManager
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if (!this.idStore) {
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this.idStore = new IdentityStore({ configManager })
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}
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if (!hasOldVault) {
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return Promise.resolve(null)
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}
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const idStore = this.idStore
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const submitPassword = denodeify(idStore.submitPassword.bind(idStore))
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return submitPassword(password)
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.then(() => {
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const serialized = this.serializeVault()
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return this.checkForLostAccounts(serialized)
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})
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}
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serializeVault () {
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const mnemonic = this.idStore._idmgmt.getSeed()
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const numberOfAccounts = this.idStore._getAddresses().length
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return {
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type: 'HD Key Tree',
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data: { mnemonic, numberOfAccounts },
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}
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}
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checkForLostAccounts (serialized) {
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const hd = new HdKeyring()
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return hd.deserialize(serialized.data)
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.then((hexAccounts) => {
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const newAccounts = hexAccounts.map(normalize)
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const oldAccounts = this.idStore._getAddresses().map(normalize)
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const lostAccounts = oldAccounts.reduce((result, account) => {
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if (newAccounts.includes(account)) {
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return result
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} else {
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result.push(account)
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return result
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}
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}, [])
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return {
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serialized,
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lostAccounts: lostAccounts.map((address) => {
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return {
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address,
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privateKey: this.idStore.exportAccount(address),
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}
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}),
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}
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})
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}
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hasOldVault () {
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const wallet = this.configManager.getWallet()
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return wallet
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}
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}
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