chore(zcashd-params): fix params download on windows

app/components/loading-screen.js

@@ -2,6 +2,8 @@
 import React, { PureComponent } from 'react';
 import styled from 'styled-components';
 import { Transition, animated } from 'react-spring';
+// eslint-disable-next-line import/no-extraneous-dependencies
+import { ipcRenderer } from 'electron';
 
 import CircleProgressComponent from 'react-circle';
 import { TextComponent } from './text';
@@ -42,21 +44,30 @@ type Props = {
 
 type State = {
   start: boolean,
+  message: string,
 };
 
 const TIME_DELAY_ANIM = 100;
 
 export class LoadingScreen extends PureComponent<Props, State> {
-  state = { start: false };
+  state = { start: false, message: 'ZEC Wallet Starting' };
 
   componentDidMount() {
     setTimeout(() => {
       this.setState(() => ({ start: true }));
     }, TIME_DELAY_ANIM);
+
+    ipcRenderer.on('zcashd-params-download', (event, message) => {
+      this.setState(() => ({ message }));
+    });
+  }
+
+  componentWillUnmount() {
+    ipcRenderer.removeAllListeners('zcashd-log');
   }
 
   render() {
-    const { start } = this.state;
+    const { start, message } = this.state;
     const { progress } = this.props;
 
     return (
@@ -74,18 +85,28 @@ export class LoadingScreen extends PureComponent<Props, State> {
           }}
         >
           {() => props => (
-            <animated.div style={props} id='loading-screen'>
+            <animated.div
+              style={{
+                ...props,
+                display: 'flex',
+                flexDirection: 'column',
+                alignItems: 'center',
+                justifyContent: 'center',
+              }}
+              id='loading-screen'
+            >
               <CircleWrapper>
                 <Logo src={zcashLogo} alt='Zcash logo' />
                 <CircleProgressComponent
                   progress={progress}
+                  s
                   responsive
                   showPercentage={false}
                   progressColor={theme.colors.activeItem}
                   bgColor={theme.colors.inactiveItem}
                 />
               </CircleWrapper>
-              <TextComponent value='ZEC Wallet Starting' />
+              <TextComponent value={message} />
             </animated.div>
           )}
         </Transition>

config/daemon/fetch-windows-params.js

@@ -13,11 +13,11 @@ import got from 'got';
 import Queue from 'p-queue';
 
 // eslint-disable-next-line
-import { app } from '../electron';
+import { app, mainWindow } from '../electron';
 import getBinariesPath from './get-binaries-path';
 import log from './logger';
 
-const queue = new Queue({ concurrency: 1, autoStart: false });
+const queue = new Queue({ concurrency: 2, autoStart: false });
 
 const httpClient = got.extend({
   baseUrl: 'https://z.cash/downloads/',
@@ -61,19 +61,22 @@ const checkSha256 = (pathToFile: string, expectedHash: string) => new Promise((r
 
 // eslint-disable-next-line max-len
 const downloadFile = ({ file, pathToSave }): Promise<*> => new Promise((resolve, reject) => {
+  if (!mainWindow.isDestroyed()) mainWindow.webContents.send('zcashd-params-download', `Downloading ${file.name}...`);
   log(`Downloading ${file.name}...`);
 
   httpClient
     .stream(file.name)
     .on('end', () => {
-      checkSha256(pathToSave, file.hash).then((isValid) => {
-        if (isValid) {
-          log(`SHA256 validation for file ${file.name} succeeded!`);
-          resolve(file.name);
-        } else {
-          reject(new Error(`SHA256 validation failed for file: ${file.name}`));
-        }
-      });
+      checkSha256(pathToSave, file.hash)
+        .then((isValid) => {
+          if (isValid) {
+            log(`SHA256 validation for file ${file.name} succeeded!`);
+            resolve(file.name);
+          } else {
+            reject(new Error(`SHA256 validation failed for file: ${file.name}`));
+          }
+        })
+        .catch(resolve);
     })
     .on('error', err => reject(new Error(err)))
     .pipe(fs.createWriteStream(pathToSave));
@@ -118,7 +121,16 @@ export default (): Promise<*> => new Promise((resolve, reject) => {
 
     if (!missingDownloadParam) return resolve();
 
-    queue.onEmpty(resolve);
+    /*
+      Manual approach to check the end of the queue
+      onIdle/onEmpty was not working
+    */
+    const interval = setInterval(() => {
+      if (queue.size === 0 && queue.pending === 0) {
+        clearInterval(interval);
+        resolve();
+      }
+    }, 500);
     queue.start();
   });
 });

config/daemon/locate-zcash-conf.js

@@ -13,6 +13,5 @@ export const locateZcashConf = () => {
     return path.join(app.getPath('home'), '.zcash', 'zcash.conf');
   }
 
-  // TODO: Need to test on windows
   return path.join(app.getPath('appData'), 'Zcash', 'zcash.conf');
 };

config/daemon/zcashd-child-process.js

@@ -42,8 +42,6 @@ const getDaemonOptions = ({ username, password, optionsFromZcashConf }) => {
     ...optionsFromZcashConf,
   ];
 
-  log(defaultOptions);
-
   return isDev ? defaultOptions.concat(['-testnet', '-addnode=testnet.z.cash']) : defaultOptions;
 };
 
@@ -53,6 +51,8 @@ let resolved = false;
 const runDaemon: () => Promise<?ChildProcess> = () => new Promise(async (resolve, reject) => {
   const processName = path.join(getBinariesPath(), getOsFolder(), getDaemonName());
 
+  if (!mainWindow.isDestroyed()) mainWindow.webContents.send('zcashd-params-download', 'Fetching params...');
+
   const [err] = await eres(fetchParams());
 
   if (err) {
@@ -60,6 +60,7 @@ const runDaemon: () => Promise<?ChildProcess> = () => new Promise(async (resolve
     return reject(new Error(err));
   }
 
+  if (!mainWindow.isDestroyed()) mainWindow.webContents.send('zcashd-params-download', 'ZEC Wallet Starting');
   log('Fetch Params finished!');
 
   const [, isRunning] = await eres(processExists(processName));