+ initial import

modules/database.js

@@ -0,0 +1,63 @@
+const {app, ipcMain} = require('electron');
+const storage = require('electron-storage');
+const datastore = require('nedb');
+const path = require('path');
+
+const dbPath = path.join(app.getPath('userData'), 'storage.db');
+const db = new datastore({ filename: dbPath });
+db.loadDatabase(function (err) {    
+  // Now commands will be executed
+});
+
+db.ensureIndex({ fieldName: 'block' }, function (err) {
+  // If there was an error, err is not null
+});
+  
+ipcMain.on('storeTransaction', (event, arg) => {
+  db.find({ block: arg.block, fromaddr: arg.fromaddr, toaddr: arg.toaddr }, function (err, docs) {
+    if (docs.length == 0) {
+      db.insert(arg, function (err, newDoc) {
+        // do nothing
+      });
+    }
+  });
+});
+  
+ipcMain.on('getTransactions', (event, arg) => {
+  db.find({}).sort({ block: 1 }).exec(function (err, docs) {
+    ResultData = [];
+    
+    for (i = 0; i < 500; i++) {
+      ResultData.push([
+        docs[i].block,
+        docs[i].timestamp,
+        docs[i].fromaddr,
+        docs[i].toaddr,
+        docs[i].value
+      ]);
+    }
+
+    // return the transactions data
+    event.returnValue = ResultData;
+  });
+});
+  
+ipcMain.on('getJSONFile', (event, arg) => {
+  storage.get(arg, (err, data) => {
+    if (err) {
+      event.returnValue = null;
+    } else {
+      event.returnValue = data;
+    }
+  });        
+});
+
+ipcMain.on('setJSONFile', (event, arg) => {
+  storage.set(arg.file, arg.data, (err) => {
+    if (err) {
+      event.returnValue = { success: false, error: err };
+    } else {
+      event.returnValue = { success: true, error: null };
+    }
+  });
+});  

modules/geth.js

@@ -0,0 +1,35 @@
+const {app, dialog, BrowserWindow} = require('electron')
+const child_process = require('child_process');
+const path = require('path');
+
+class Geth {
+  constructor() {
+    this.gethProcess = null;
+  }
+  
+  startGeth() {
+    // get the path of get and execute the child process
+    try {
+      const gethPath = path.join(app.getPath('userData'), 'geth');
+      this.gethProcess = child_process.spawn(gethPath, ['--ws', '--wsorigins', '*', '--wsaddr', '127.0.0.1', '--wsport', '8546', '--wsapi', 'admin,db,eth,net,miner,personal,web3']);
+      this.gethProcess.on('error', function(err) {
+        dialog.showErrorBox("Error starting application", "Geth failed to start!");
+      });
+      this.gethProcess.stderr.on('data', function(data) {
+        console.log(data.toString());
+      });
+      this.gethProcess.stdout.on('data', function(data) {
+        console.log(data.toString());
+      });      
+    } catch (e) {
+      dialog.showErrorBox("Error starting application", e);
+      app.quit();
+    }
+  }
+
+  stopGeth() { 
+    this.gethProcess.kill('SIGINT');
+  }
+}
+
+EthoGeth = new Geth();