codigo actual del servidor, con avances de joan

source_code/lib/custom/route_transaction.dart

@@ -0,0 +1,17 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+
+class MyTransaction{
+BuildContext? context;
+  MyTransaction({this.context});
+
+ Future<bool> push(Widget route)async{
+ var value= await  Navigator.push(
+      context!,
+      MaterialPageRoute(builder: (context) {
+        return route;
+      }),
+    );
+ return true;
+  }
+}