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53 lines
1.4 KiB
53 lines
1.4 KiB
import log from 'loglevel'
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import Wallet from 'ethereumjs-wallet'
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import importers from 'ethereumjs-wallet/thirdparty'
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import ethUtil from 'ethereumjs-util'
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import { addHexPrefix } from '../lib/util'
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const accountImporter = {
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importAccount(strategy, args) {
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try {
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const importer = this.strategies[strategy]
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const privateKeyHex = importer(...args)
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return Promise.resolve(privateKeyHex)
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} catch (e) {
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return Promise.reject(e)
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}
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},
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strategies: {
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'Private Key': (privateKey) => {
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if (!privateKey) {
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throw new Error('Cannot import an empty key.')
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}
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const prefixed = addHexPrefix(privateKey)
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const buffer = ethUtil.toBuffer(prefixed)
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if (!ethUtil.isValidPrivate(buffer)) {
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throw new Error('Cannot import invalid private key.')
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}
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const stripped = ethUtil.stripHexPrefix(prefixed)
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return stripped
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},
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'JSON File': (input, password) => {
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let wallet
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try {
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wallet = importers.fromEtherWallet(input, password)
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} catch (e) {
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log.debug('Attempt to import as EtherWallet format failed, trying V3')
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wallet = Wallet.fromV3(input, password, true)
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}
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return walletToPrivateKey(wallet)
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},
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},
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}
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function walletToPrivateKey(wallet) {
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const privateKeyBuffer = wallet.getPrivateKey()
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return ethUtil.bufferToHex(privateKeyBuffer)
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}
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export default accountImporter
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