118 lines
4.3 KiB
JavaScript
118 lines
4.3 KiB
JavaScript
const bip39 = require("bip39");
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const hdkey = require('ethereumjs-wallet/hdkey');
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const ethereumjsWallet = require('ethereumjs-wallet');
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const fs = require('../core/fs');
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const {getHexBalanceFromString} = require('../utils/utils');
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const path = require('path');
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class AccountParser {
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static parseAccountsConfig(accountsConfig, web3, logger, nodeAccounts) {
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let accounts = [];
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if (accountsConfig && accountsConfig.length) {
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accountsConfig.forEach(accountConfig => {
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const account = AccountParser.getAccount(accountConfig, web3, logger, nodeAccounts);
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if (!account) {
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return;
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}
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if (Array.isArray(account)) {
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accounts = accounts.concat(account);
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return;
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}
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accounts.push(account);
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});
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}
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return accounts;
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}
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static getAccount(accountConfig, web3, logger = console, nodeAccounts) {
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let hexBalance = null;
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if (accountConfig.balance) {
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hexBalance = getHexBalanceFromString(accountConfig.balance, web3);
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}
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if (accountConfig.privateKey === 'random') {
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let randomAccount = web3.eth.accounts.create();
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accountConfig.privateKey = randomAccount.privateKey;
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}
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if (accountConfig.nodeAccounts) {
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if (!nodeAccounts) {
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logger.warn('Cannot use nodeAccounts in this context');
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return null;
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}
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if (!nodeAccounts.length) {
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return null;
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}
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return nodeAccounts.map(address => {
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return {address};
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});
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}
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if (accountConfig.privateKey) {
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if (!accountConfig.privateKey.startsWith('0x')) {
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accountConfig.privateKey = '0x' + accountConfig.privateKey;
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}
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if (!web3.utils.isHexStrict(accountConfig.privateKey)) {
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logger.warn(`Private key ending with ${accountConfig.privateKey.substr(accountConfig.privateKey.length - 5)} is not a HEX string`);
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return null;
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}
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return Object.assign(web3.eth.accounts.privateKeyToAccount(accountConfig.privateKey), {hexBalance});
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}
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if (accountConfig.privateKeyFile) {
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let privateKeyFile = path.resolve(fs.dappPath(), accountConfig.privateKeyFile);
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let fileContent = fs.readFileSync(privateKeyFile).toString();
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if (accountConfig.password) {
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try {
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fileContent = JSON.parse(fileContent);
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if (!ethereumjsWallet['fromV' + fileContent.version]) {
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logger.error(`Key file ${accountConfig.privateKeyFile} is not a valid keystore file`);
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return null;
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}
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const wallet = ethereumjsWallet['fromV' + fileContent.version](fileContent, accountConfig.password);
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return Object.assign(web3.eth.accounts.privateKeyToAccount('0x' + wallet.getPrivateKey().toString('hex')), {hexBalance});
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} catch (e) {
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logger.error('Private key file is not a keystore JSON file but a password was provided');
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logger.error(e.message || e);
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return null;
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}
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}
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fileContent = fileContent.trim().split(/[,;]/);
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return fileContent.map((key, index) => {
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if (!key.startsWith('0x')) {
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key = '0x' + key;
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}
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if (!web3.utils.isHexStrict(key)) {
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logger.warn(`Private key is not a HEX string in file ${accountConfig.privateKeyFile} at index ${index}`);
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return null;
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}
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return Object.assign(web3.eth.accounts.privateKeyToAccount(key), {hexBalance});
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});
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}
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if (accountConfig.mnemonic) {
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const hdwallet = hdkey.fromMasterSeed(bip39.mnemonicToSeed(accountConfig.mnemonic.trim()));
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const addressIndex = accountConfig.addressIndex || 0;
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const numAddresses = accountConfig.numAddresses || 1;
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const wallet_hdpath = accountConfig.hdpath || "m/44'/60'/0'/0/";
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const accounts = [];
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for (let i = addressIndex; i < addressIndex + numAddresses; i++) {
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const wallet = hdwallet.derivePath(wallet_hdpath + i).getWallet();
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accounts.push(Object.assign(web3.eth.accounts.privateKeyToAccount('0x' + wallet.getPrivateKey().toString('hex')), {hexBalance}));
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}
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return accounts;
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}
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logger.warn('Unsupported account configuration: ' + JSON.stringify(accountConfig));
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logger.warn('Try using one of those: ' +
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'{ "privateKey": "your-private-key", "privateKeyFile": "path/to/file/containing/key", "mnemonic": "12 word mnemonic" }');
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return null;
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}
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}
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module.exports = AccountParser;
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