126 lines
3.4 KiB
JavaScript
126 lines
3.4 KiB
JavaScript
// @flow
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import cp from 'child_process';
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import path from 'path';
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import os from 'os';
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import processExists from 'process-exists';
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/* eslint-disable import/no-extraneous-dependencies */
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import isDev from 'electron-is-dev';
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import type { ChildProcess } from 'child_process';
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import eres from 'eres';
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import uuid from 'uuid/v4';
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/* eslint-disable-next-line import/named */
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import { mainWindow } from '../electron';
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import getBinariesPath from './get-binaries-path';
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import getOsFolder from './get-os-folder';
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import getDaemonName from './get-daemon-name';
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import fetchParams from './run-fetch-params';
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import log from './logger';
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import store from '../electron-store';
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import { parseZcashConf } from './parse-zcash-conf';
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const getDaemonOptions = ({ username, password, optionsFromZcashConf }) => {
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/*
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-showmetrics
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Show metrics on stdout
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-metricsui
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Set to 1 for a persistent metrics screen, 0 for sequential metrics
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output
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-metricsrefreshtime
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Number of seconds between metrics refreshes
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*/
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const defaultOptions = [
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'-showmetrics',
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'--metricsui=0',
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'-metricsrefreshtime=1',
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`-rpcuser=${username}`,
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`-rpcpassword=${password}`,
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// TODO: For test purposes only
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'-testnet',
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'-addnode=testnet.z.cash',
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// Overwriting the settings with values taken from "zcash.conf"
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...optionsFromZcashConf,
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];
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return isDev ? defaultOptions.concat(['-testnet', '-addnode=testnet.z.cash']) : defaultOptions;
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};
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let resolved = false;
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// eslint-disable-next-line
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const runDaemon: () => Promise<?ChildProcess> = () => new Promise(async (resolve, reject) => {
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const processName = path.join(getBinariesPath(), getOsFolder(), getDaemonName());
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if (!mainWindow.isDestroyed()) mainWindow.webContents.send('zcashd-params-download', 'Fetching params...');
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const [err] = await eres(fetchParams());
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if (err) {
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log('Something went wrong fetching params: ', err);
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return reject(new Error(err));
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}
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if (!mainWindow.isDestroyed()) mainWindow.webContents.send('zcashd-params-download', 'ZEC Wallet Starting');
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log('Fetch Params finished!');
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const [, isRunning] = await eres(processExists(processName));
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if (isRunning) {
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log('Already is running!');
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return resolve();
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}
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const [, optionsFromZcashConf = []] = await eres(parseZcashConf());
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const hasCredentials = store.has('rpcuser') && store.has('rpcpassword');
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const rpcCredentials = hasCredentials
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? {
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username: store.get('rpcuser'),
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password: store.get('rpcpassword'),
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}
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: {
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username: uuid(),
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password: uuid(),
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};
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if (isDev) log('Rpc Credentials', rpcCredentials);
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if (!hasCredentials) {
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store.set('rpcuser', rpcCredentials.username);
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store.set('rpcpassword', rpcCredentials.password);
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}
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const childProcess = cp.spawn(
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processName,
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await getDaemonOptions({ ...rpcCredentials, optionsFromZcashConf }),
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{
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stdio: ['ignore', 'pipe', 'pipe'],
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},
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);
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childProcess.stdout.on('data', (data) => {
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if (!mainWindow.isDestroyed()) mainWindow.webContents.send('zcashd-log', data.toString());
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if (!resolved) {
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resolve(childProcess);
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resolved = true;
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}
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});
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childProcess.stderr.on('data', (data) => {
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log(data.toString());
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reject(new Error(data.toString()));
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});
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childProcess.on('error', reject);
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if (os.platform() === 'win32') {
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resolved = true;
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resolve(childProcess);
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}
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});
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// eslint-disable-next-line
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export default runDaemon;
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