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metamask-extension/app/scripts/lib/idStore-migrator.js
2016-11-21 19:52:56 -08:00

53 lines
1.2 KiB
JavaScript

const IdentityStore = require('./idStore')
module.exports = class IdentityStoreMigrator {
constructor ({ configManager }) {
this.configManager = configManager
const hasOldVault = this.hasOldVault()
if (!hasOldVault) {
this.idStore = new IdentityStore({ configManager })
}
}
migratedVaultForPassword (password) {
const hasOldVault = this.hasOldVault()
const configManager = this.configManager
if (!this.idStore) {
this.idStore = new IdentityStore({ configManager })
}
if (!hasOldVault) {
return Promise.resolve(null)
}
return new Promise((resolve, reject) => {
this.idStore.submitPassword(password, (err) => {
if (err) return reject(err)
try {
resolve(this.serializeVault())
} catch (e) {
reject(e)
}
})
})
}
serializeVault () {
const mnemonic = this.idStore._idmgmt.getSeed()
const numberOfAccounts = this.idStore._getAddresses().length
return {
type: 'HD Key Tree',
data: { mnemonic, numberOfAccounts },
}
}
hasOldVault () {
const wallet = this.configManager.getWallet()
return wallet
}
}