78 lines
2.4 KiB
TypeScript
78 lines
2.4 KiB
TypeScript
import { generate, IFullWallet } from 'ethereumjs-wallet';
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import { stripHexPrefix } from '../../common/libs/formatters';
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const { exec } = require('child_process');
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// FIXME pick a less magic number
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const derivationRounds = 500;
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const dockerImage = 'dternyak/eth-priv-to-addr';
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const dockerTag = 'latest';
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function promiseFromChildProcess(command: string): Promise<any> {
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return new Promise((resolve, reject) => {
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return exec(command, (err: string, stdout: string) => {
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err ? reject(err) : resolve(stdout);
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});
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});
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}
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function getCleanPrivateKey(privKeyWallet: IFullWallet): string {
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return stripHexPrefix(privKeyWallet.getPrivateKeyString());
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}
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function makeCommaSeparatedPrivateKeys(privKeyWallets: IFullWallet[]): string {
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const privateKeys = privKeyWallets.map(getCleanPrivateKey);
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return privateKeys.join(',');
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}
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async function privToAddrViaDocker(privKeyWallets: IFullWallet[]): Promise<string> {
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const command = `docker run -e key=${makeCommaSeparatedPrivateKeys(
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privKeyWallets
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)} ${dockerImage}:${dockerTag}`;
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const dockerOutput = await promiseFromChildProcess(command);
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const newlineStrippedDockerOutput = dockerOutput.replace(/(\r\n|\n|\r)/gm, '');
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return newlineStrippedDockerOutput;
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}
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function makeWallets(): IFullWallet[] {
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const wallets: IFullWallet[] = [];
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let i = 0;
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while (i < derivationRounds) {
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const privKeyWallet = generate();
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wallets.push(privKeyWallet);
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i += 1;
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}
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return wallets;
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}
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async function getNormalizedAddressFromWallet(wallet: IFullWallet): Promise<string> {
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const privKeyWalletAddress = await wallet.getAddressString();
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// strip checksum
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return privKeyWalletAddress.toLowerCase();
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}
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async function getNormalizedAddressesFromWallets(wallets: IFullWallet[]): Promise<string[]> {
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return Promise.all(wallets.map(getNormalizedAddressFromWallet));
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}
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async function testDerivation(): Promise<true> {
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const wallets = makeWallets();
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const walletAddrs = await getNormalizedAddressesFromWallets(wallets);
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const dockerAddrsCS = await privToAddrViaDocker(wallets);
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const dockerAddrs = dockerAddrsCS.split(',');
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expect(walletAddrs).toEqual(dockerAddrs);
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return true;
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}
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describe('Derivation Checker', () => {
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beforeEach(() => {
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// increase timer to prevent early timeout
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jasmine.DEFAULT_TIMEOUT_INTERVAL = 100000;
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});
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it(`should derive identical addresses ${derivationRounds} times`, () => {
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return testDerivation().then(expect);
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});
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});
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