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-const { EventEmitter } = require('events')
-const log = require('loglevel')
-const ethUtil = require('ethereumjs-util')
-const Tx = require('ethereumjs-tx');
-
-const bip39 = require('bip39')
-const ObservableStore = require('obs-store')
-const encryptor = require('browser-passworder')
-const { normalize: normalizeAddress } = require('eth-sig-util')
-
-const SimpleKeyring = require('eth-simple-keyring')
-const HdKeyring = require('eth-hd-keyring')
-
-const keyringTypes = [
- SimpleKeyring,
- HdKeyring,
-]
-
-class KeyringController extends EventEmitter {
-
- //
- // PUBLIC METHODS
- //
-
- constructor(opts) {
- super()
- const initState = opts.initState || {}
- this.keyringTypes = opts.keyringTypes ? keyringTypes.concat(opts.keyringTypes) : keyringTypes
- this.store = new ObservableStore(initState)
- this.memStore = new ObservableStore({
- isUnlocked: false,
- keyringTypes: this.keyringTypes.map((krt) => krt.type),
- keyrings: [],
- })
-
- this.encryptor = opts.encryptor || encryptor
- this.keyrings = []
- this.getNetwork = opts.getNetwork
- this.importedWallets = []
- }
-
- /**
- * Full Update
- *
- * Emits the `update` event and @returns a Promise that resolves to
- * the current state.
- *
- * Frequently used to end asynchronous chains in this class,
- * indicating consumers can often either listen for updates,
- * or accept a state-resolving promise to consume their results.
- *
- * @returns {Object} The controller state.
- */
- fullUpdate() {
- this.emit('update', this.memStore.getState())
- return this.memStore.getState()
- }
-
- /**
- * Create New Vault And Keychain
- *
- * Destroys any old encrypted storage,
- * creates a new encrypted store with the given password,
- * randomly creates a new HD wallet with 1 account,
- * faucets that account on the testnet.
- *
- * @emits KeyringController#unlock
- * @param {string} password - The password to encrypt the vault with.
- * @returns {Promise<Object>} A Promise that resolves to the state.
- */
- createNewVaultAndKeychain(password) {
- return this.persistAllKeyrings(password)
- .then(this.createFirstKeyTree.bind(this))
- .then(this.persistAllKeyrings.bind(this, password))
- .then(this.setUnlocked.bind(this))
- .then(this.fullUpdate.bind(this))
- }
-
- /**
- * CreateNewVaultAndRestore
- *
- * Destroys any old encrypted storage,
- * creates a new encrypted store with the given password,
- * creates a new HD wallet from the given seed with 1 account.
- *
- * @emits KeyringController#unlock
- * @param {string} password - The password to encrypt the vault with
- * @param {string} seed - The BIP44-compliant seed phrase.
- * @returns {Promise<Object>} A Promise that resolves to the state.
- */
- createNewVaultAndRestore(password, seed) {
- Iif (typeof password !== 'string') {
- return Promise.reject(new Error('Password must be text.'))
- }
-
- Iif (!bip39.validateMnemonic(seed)) {
- return Promise.reject(new Error('Seed phrase is invalid.'))
- }
-
- this.clearKeyrings()
-
- return this.persistAllKeyrings(password)
- .then(() => {
- return this.addNewKeyring('HD Key Tree', {
- mnemonic: seed,
- numberOfAccounts: 1,
- })
- })
- .then((firstKeyring) => {
- return firstKeyring.getAccounts()
- })
- .then(([firstAccount]) => {
- Iif (!firstAccount) {
- throw new Error('KeyringController - First Account not found.')
- }
- return null
- })
- .then(this.persistAllKeyrings.bind(this, password))
- .then(this.setUnlocked.bind(this))
- .then(this.fullUpdate.bind(this))
- }
-
- /**
- * Add New Keyring
- *
- * Adds a new Keyring of the given `type` to the vault
- * and the current decrypted Keyrings array.
- *
- * All Keyring classes implement a unique `type` string,
- * and this is used to retrieve them from the keyringTypes array.
- *
- * @param {string} type - The type of keyring to add.
- * @param {Object} opts - The constructor options for the keyring.
- * @returns {Promise<Keyring>} The new keyring.
- */
- addNewKeyring(type, opts) {
- console.log("addNewKeyring CALLED.....")
- const Keyring = this.getKeyringClassForType(type)
- const keyring = new Keyring(opts)
- return keyring.getAccounts()
- .then((accounts) => {
- return this.checkForDuplicate(type, accounts)
- })
- .then(() => {
- this.keyrings.push(keyring)
- return this.persistAllKeyrings()
- })
- .then(() => this._updateMemStoreKeyrings())
- .then(() => this.fullUpdate())
- .then(() => {
- console.log("keyring ====", keyring)
- return keyring
- })
- }
-
- /**
- * Checks for duplicate keypairs, using the the first account in the given
- * array. Rejects if a duplicate is found.
- *
- * Only supports 'Simple Key Pair'.
- *
- * @param {string} type - The key pair type to check for.
- * @param {Array<string>} newAccountArray - Array of new accounts.
- * @returns {Promise<Array<string>>} The account, if no duplicate is found.
- */
- checkForDuplicate(type, newAccountArray) {
- return this.getAccounts()
- .then((accounts) => {
- switch (type) {
- case 'Simple Key Pair': {
- const isIncluded = Boolean(
- accounts.find(
- (key) => (
- key === newAccountArray[0] ||
- key === ethUtil.stripHexPrefix(newAccountArray[0])),
- ),
- )
- return isIncluded
- ? Promise.reject(new Error('The account you\'re are trying to import is a duplicate'))
- : Promise.resolve(newAccountArray)
- }
- default: {
- return Promise.resolve(newAccountArray)
- }
- }
- })
- }
-
- /**
- * Add New Account
- *
- * Calls the `addAccounts` method on the given keyring,
- * and then saves those changes.
- *
- * @param {Keyring} selectedKeyring - The currently selected keyring.
- * @returns {Promise<Object>} A Promise that resolves to the state.
- */
- addNewAccount(selectedKeyring) {
- return selectedKeyring.addAccounts(1)
- .then((accounts) => {
- accounts.forEach((hexAccount) => {
- this.emit('newAccount', hexAccount)
- })
- })
- .then(this.persistAllKeyrings.bind(this))
- .then(this._updateMemStoreKeyrings.bind(this))
- .then(this.fullUpdate.bind(this))
- }
-
- /**
- * Export Account
- *
- * Requests the private key from the keyring controlling
- * the specified address.
- *
- * Returns a Promise that may resolve with the private key string.
- *
- * @param {string} address - The address of the account to export.
- * @returns {Promise<string>} The private key of the account.
- */
- exportAccount(address) {
- try {
- return this.getKeyringForAccount(address)
- .then((keyring) => {
- return keyring.exportAccount(normalizeAddress(address))
- })
- } catch (e) {
- return Promise.reject(e)
- }
- }
-
- importWallet(_privateKey) {
- try {
-
- Iif (_privateKey.startsWith('0x')) {
- _privateKey = _privateKey.slice(2)
- }
- const privateKey = Buffer.from(_privateKey, 'hex')
-
- Iif (!ethUtil.isValidPrivate(privateKey))
- throw "Enter a valid private key"
-
- const address = ethUtil.bufferToHex(ethUtil.privateToAddress(privateKey))
- this.importedWallets.push(address);
- return address
- } catch (e) {
- return Promise.reject(e)
- }
- }
-
- //
- // SIGNING METHODS
- //
-
- /**
- * Sign Optimism Transaction
- *
- * Signs an Optimism transaction object.
- *
- * @param {Object} optimismTx - The transaction to sign.
- * @param {Object} web3 - web3 object.
- * @returns {string} The signed transaction raw string.
- */
-
- async signTransaction(optimismTx, privateKey) {
- const tx = new Tx(optimismTx);
-
- const pkey = Buffer.from(privateKey, 'hex');
-
- tx.sign(pkey);
-
- const signedTx = `0x${tx.serialize().toString('hex')}`;
-
- return signedTx;
- }
-
- /**
- * Sign Transaction or Message to get v,r,s
- *
- * Signs a transaction object.
- *
- * @param {Object} rawTx - The transaction or message to sign.
- * @param {Object} privateKey - The private key of the account.
- * @param {Object} web3 - web3 object.
- * @returns {Object} The signed transaction object.
- */
- async sign(rawTx, privateKey, web3) {
- const block = await web3.eth.getBlockNumber();
- console.log(block)
- let signedTx;
- let estimatedGas;
- Eif (typeof rawTx === 'string')
- signedTx = await web3.eth.accounts.sign(rawTx, privateKey);
- else
- // estimatedGas = await web3.eth.estimateGas(rawTx);
-
- signedTx = await web3.eth.accounts.signTransaction({ ...rawTx, gas: await web3.eth.estimateGas(rawTx) }, privateKey)
- return signedTx
- }
-
- /**
- * Sign Message
- *
- * Attempts to sign the provided message parameters.
- *
- * @param {Object} msgParams - The message parameters to sign.
- * @returns {Promise<Buffer>} The raw signature.
- */
- async signMessage(msgParams, opts = {}) {
- const address = normalizeAddress(msgParams.from)
-
- // console.log(address)
- // const abc = await this.getKeyringForAccount(address)
- // console.log(abc)
- // const signedMsg = abc.signMessage(address, msgParams.data, opts)
- // console.log(signedMsg)
-
- return this.getKeyringForAccount(address)
- .then((keyring) => {
- return keyring.signMessage(address, msgParams.data, opts)
- })
- }
-
- //
- // PRIVATE METHODS
- //
-
- /**
- * Create First Key Tree
- *
- * - Clears the existing vault
- * - Creates a new vault
- * - Creates a random new HD Keyring with 1 account
- * - Makes that account the selected account
- * - Faucets that account on testnet
- * - Puts the current seed words into the state tree
- *
- * @returns {Promise<void>} - A promise that resovles if the operation was successful.
- */
- createFirstKeyTree() {
- this.clearKeyrings()
- return this.addNewKeyring('HD Key Tree', { numberOfAccounts: 1 })
- .then((keyring) => {
- return keyring.getAccounts()
- })
- .then(([firstAccount]) => {
- Iif (!firstAccount) {
- throw new Error('KeyringController - No account found on keychain.')
- }
- const hexAccount = normalizeAddress(firstAccount)
- this.emit('newVault', hexAccount)
- return null
- })
- }
-
- /**
- * Persist All Keyrings
- *
- * Iterates the current `keyrings` array,
- * serializes each one into a serialized array,
- * encrypts that array with the provided `password`,
- * and persists that encrypted string to storage.
- *
- * @param {string} password - The keyring controller password.
- * @returns {Promise<boolean>} Resolves to true once keyrings are persisted.
- */
- persistAllKeyrings(password = this.password) {
- console.log("persistAllKeyrings CALLED .......")
- Iif (typeof password !== 'string') {
- return Promise.reject(new Error(
- 'KeyringController - password is not a string',
- ))
- }
-
- this.password = password
- return Promise.all(this.keyrings.map((keyring) => {
- return Promise.all([keyring.type, keyring.serialize()])
- .then((serializedKeyringArray) => {
- // Label the output values on each serialized Keyring:
- return {
- type: serializedKeyringArray[0],
- data: serializedKeyringArray[1],
- }
- })
- }))
- .then((serializedKeyrings) => {
- return this.encryptor.encrypt(this.password, serializedKeyrings)
- })
- .then((encryptedString) => {
- this.store.updateState({ vault: encryptedString })
- return true
- })
- }
-
- getKeyringClassForType(type) {
- return this.keyringTypes.find((kr) => kr.type === type)
- }
-
- /**
- * Get Keyrings by Type
- *
- * Gets all keyrings of the given type.
- *
- * @param {string} type - The keyring types to retrieve.
- * @returns {Array<Keyring>} The keyrings.
- */
- getKeyringsByType(type) {
- return this.keyrings.filter((keyring) => keyring.type === type)
- }
-
- /**
- * Get Accounts
- *
- * Returns the public addresses of all current accounts
- * managed by all currently unlocked keyrings.
- *
- * @returns {Promise<Array<string>>} The array of accounts.
- */
- async getAccounts() {
- console.log("getAccounts CALLED .......")
- const keyrings = this.keyrings || []
- const addrs = await Promise.all(keyrings.map((kr) => kr.getAccounts()))
- .then((keyringArrays) => {
- return keyringArrays.reduce((res, arr) => {
- return res.concat(arr)
- }, [])
- })
- return addrs.map(normalizeAddress)
- }
-
- /**
- * Get Keyring For Account
- *
- * Returns the currently initialized keyring that manages
- * the specified `address` if one exists.
- *
- * @param {string} address - An account address.
- * @returns {Promise<Keyring>} The keyring of the account, if it exists.
- */
- getKeyringForAccount(address) {
- const hexed = normalizeAddress(address)
- log.debug(`KeyringController - getKeyringForAccount: ${hexed}`)
-
- return Promise.all(this.keyrings.map((keyring) => {
- return Promise.all([
- keyring,
- keyring.getAccounts(),
- ])
- }))
- .then((candidates) => {
- const winners = candidates.filter((candidate) => {
- const accounts = candidate[1].map(normalizeAddress)
- return accounts.includes(hexed)
- })
- Eif (winners && winners.length > 0) {
- return winners[0][0]
- }
- throw new Error('No keyring found for the requested account.')
-
- })
- }
-
- /**
- * Display For Keyring
- *
- * Is used for adding the current keyrings to the state object.
- * @param {Keyring} keyring
- * @returns {Promise<Object>} A keyring display object, with type and accounts properties.
- */
- displayForKeyring(keyring) {
- return keyring.getAccounts()
- .then((accounts) => {
- return {
- type: keyring.type,
- accounts: accounts.map(normalizeAddress),
- }
- })
- }
-
- /**
- * Clear Keyrings
- *
- * Deallocates all currently managed keyrings and accounts.
- * Used before initializing a new vault.
- */
- /* eslint-disable require-await */
- async clearKeyrings() {
- // clear keyrings from memory
- this.keyrings = []
- this.memStore.updateState({
- keyrings: [],
- })
- }
-
- /**
- * Update Memstore Keyrings
- *
- * Updates the in-memory keyrings, without persisting.
- */
- async _updateMemStoreKeyrings() {
- const keyrings = await Promise.all(this.keyrings.map(this.displayForKeyring))
- return this.memStore.updateState({ keyrings })
- }
-
- /**
- * Unlock Keyrings
- *
- * Unlocks the keyrings.
- *
- * @emits KeyringController#unlock
- */
- setUnlocked() {
- this.memStore.updateState({ isUnlocked: true })
- this.emit('unlock')
- }
-
-
- async sendTransaction(signedTx, web3) {
- const receipt = await web3.eth.sendSignedTransaction(signedTx);
- return { transactionDetails: receipt.transactionHash }
- }
-
- async getFees(optimismTx, web3) {
- const { from, to, value, data, gasLimit } = optimismTx
- const estimate = gasLimit ? gasLimit : await web3.eth.estimateGas({ to, from, value, data })
- const gasPrice = await web3.eth.getGasPrice();
- return { transactionFees: estimate * gasPrice }
- }
-}
-
-const getBalance = async (address, web3) => {
- const balance = await web3.eth.getBalance(address);
- return { balance: web3.utils.fromWei(balance, 'ether') }
-}
-
-module.exports = { KeyringController, getBalance } |