mirror of https://github.com/embarklabs/embark.git
67 lines
2.3 KiB
JavaScript
67 lines
2.3 KiB
JavaScript
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const bip39 = require("bip39");
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const hdkey = require('ethereumjs-wallet/hdkey');
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const fs = require('../core/fs');
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class AccountParser {
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static parseAccountsConfig(accountsConfig, web3, logger) {
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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);
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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) {
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if (!logger) {
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logger = console;
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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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return web3.eth.accounts.privateKeyToAccount(accountConfig.privateKey);
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}
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if (accountConfig.privateKeyFile) {
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let fileContent = fs.readFileSync(fs.dappPath(accountConfig.privateKeyFile)).toString();
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fileContent = fileContent.trim().split(/[,;]/);
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return fileContent.map(key => {
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if (!key.startsWith('0x')) {
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key = '0x' + key;
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}
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return web3.eth.accounts.privateKeyToAccount(key);
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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(web3.eth.accounts.privateKeyToAccount('0x' + wallet.getPrivateKey().toString('hex')));
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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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