Re-added code to clean branch

content/_code-samples/build-a-wallet/desktop-js/8_domain-verification.js

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+const { app, BrowserWindow, ipcMain } = require('electron')
+const fs = require("fs");
+const path = require('path')
+const xrpl = require("xrpl")
+const { initialize, subscribe, saveSaltedSeed, loadSaltedSeed } = require('./library/5_helpers')
+const { sendXrp } = require('./library/7_helpers')
+const { verify } = require('./library/8_helpers')
+
+const TESTNET_URL = "wss://s.altnet.rippletest.net:51233"
+
+const WALLET_DIR = 'Wallet'
+
+const createWindow = () => {
+
+    const appWindow = new BrowserWindow({
+        width: 1024,
+        height: 768,
+        webPreferences: {
+            preload: path.join(__dirname, 'view', '8_preload.js'),
+        },
+    })
+
+    appWindow.loadFile(path.join(__dirname, 'view', '8_domain-verification.html'))
+
+    return appWindow
+}
+
+const main = async () => {
+    const appWindow = createWindow()
+
+    if (!fs.existsSync(WALLET_DIR)) {
+        // Create Wallet directory in case it does not exist yet
+        fs.mkdirSync(path.join(__dirname, WALLET_DIR));
+    }
+
+    let seed = null;
+
+    ipcMain.on('seed-entered', async (event, providedSeed) => {
+        seed = providedSeed
+        appWindow.webContents.send('open-password-dialog')
+    })
+
+    ipcMain.on('password-entered', async (event, password) => {
+        if (!fs.existsSync(path.join(__dirname, WALLET_DIR , 'seed.txt'))) {
+            saveSaltedSeed('../' + WALLET_DIR, seed, password)
+        } else {
+            seed = loadSaltedSeed('../' + WALLET_DIR, password)
+        }
+
+        const wallet = xrpl.Wallet.fromSeed(seed)
+
+        const client = new xrpl.Client(TESTNET_URL)
+
+        await client.connect()
+
+        await subscribe(client, wallet, appWindow)
+
+        await initialize(client, wallet, appWindow)
+
+        ipcMain.on('send-xrp-action', (event, paymentData) => {
+            sendXrp(paymentData, client, wallet).then((result) => {
+                appWindow.webContents.send('send-xrp-transaction-finish', result)
+            })
+        })
+
+        ipcMain.on('destination-account-change', (event, destinationAccount) => {
+            verify(destinationAccount, client).then((result) => {
+                appWindow.webContents.send('update-domain-verification-data', result)
+            })
+        })
+
+    })
+
+    // We have to wait for the application frontend to be ready, otherise
+    // we might run into a race condition and the ope-dialog events
+    // get triggered before the callbacks are attached
+    appWindow.once('ready-to-show', () => {
+        // If there is no seed present yet, ask for it, otherwise query for the password
+        // for the seed that has been saved
+        if (!fs.existsSync(path.join(__dirname, WALLET_DIR, 'seed.txt'))) {
+            appWindow.webContents.send('open-seed-dialog')
+        } else {
+            appWindow.webContents.send('open-password-dialog')
+        }
+    })
+}
+
+app.whenReady().then(main)