Move Build a Desktop Wallet code samples

content/_code-samples/build-a-desktop-wallet/js/7-send-xrp/view/preload.js

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+const { contextBridge, ipcRenderer } = require('electron');
+
+contextBridge.exposeInMainWorld('electronAPI', {
+    onOpenSeedDialog: (callback) => {
+        ipcRenderer.on('open-seed-dialog', callback)
+    },
+    onEnterSeed: (seed) => {
+        ipcRenderer.send('seed-entered', seed)
+    },
+    onOpenPasswordDialog: (callback) => {
+        ipcRenderer.on('open-password-dialog', callback)
+    },
+    onEnterPassword: (password) => {
+        ipcRenderer.send('password-entered', password)
+    },
+    requestSeedChange: () => {
+        ipcRenderer.send('request-seed-change')
+    },
+    onUpdateLedgerData: (callback) => {
+        ipcRenderer.on('update-ledger-data', callback)
+    },
+    onUpdateAccountData: (callback) => {
+        ipcRenderer.on('update-account-data', callback)
+    },
+    onUpdateTransactionData: (callback) => {
+        ipcRenderer.on('update-transaction-data', callback)
+    },
+
+    // Step 7 code additions - start
+    onClickSendXrp: (paymentData) => {
+        ipcRenderer.send('send-xrp-action', paymentData)
+    },
+    onSendXrpTransactionFinish: (callback) => {
+        ipcRenderer.on('send-xrp-transaction-finish', callback)
+    }
+    // Step 7 code additions - start
+})