added option to import wallet

SayNode · May 31, 2022 · 7014498 · 7014498
1 parent 47ea047
commit 7014498
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Showing 2 changed files with 79 additions and 39 deletions.
diff --git a/vidaia/lib/pages/settings_page.dart b/vidaia/lib/pages/settings_page.dart
@@ -1,5 +1,6 @@
 import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
+import 'package:vidaia/utils/wallet.dart';
 
 class SettingsPage extends StatefulWidget {
   const SettingsPage({Key? key}) : super(key: key);
@@ -24,44 +25,50 @@ class _SettingsPageState extends State<SettingsPage> {
       ),
       body: Column(
         children: [
-          Text(
-            'changeLanguage'.tr(),
-            style: Theme.of(context).textTheme.headline5,
-          ),
-          DropdownButton(
-              hint: Text(
-                'currentLanguage'.tr(),
-              ),
-              isExpanded: true,
-              items: const [
-                DropdownMenuItem<String>(
-                  value: 'de',
-                  child: Text(
-                    'Deutsch',
-                    style: TextStyle(
-                      fontSize: 12,
-                      fontWeight: FontWeight.w600,
-                      color: Colors.black,
-                    ),
+          ListTile(
+            title: Text('Change Languge'),
+            trailing: SizedBox(
+              width: 100,
+              child: DropdownButton(
+                  hint: Text(
+                    'currentLanguage'.tr(),
                   ),
-                ),
-                DropdownMenuItem<String>(
-                  value: 'en',
-                  child: Text(
-                    'English',
-                    style: TextStyle(
-                      fontSize: 12,
-                      fontWeight: FontWeight.w600,
-                      color: Colors.black,
+                  isExpanded: true,
+                  items: const [
+                    DropdownMenuItem<String>(
+                      value: 'de',
+                      child: Text(
+                        'Deutsch',
+                        style: TextStyle(
+                          fontSize: 12,
+                          fontWeight: FontWeight.w600,
+                          color: Colors.black,
+                        ),
+                      ),
                     ),
-                  ),
-                ),
-              ],
-              onChanged: (String? value) {
-                setState(() {
-                  context.setLocale(Locale(value!));
-                });
-              })
+                    DropdownMenuItem<String>(
+                      value: 'en',
+                      child: Text(
+                        'English',
+                        style: TextStyle(
+                          fontSize: 12,
+                          fontWeight: FontWeight.w600,
+                          color: Colors.black,
+                        ),
+                      ),
+                    ),
+                  ],
+                  onChanged: (String? value) {
+                    setState(() {
+                      context.setLocale(Locale(value!));
+                    });
+                  }),
+            ),
+          ),
+          ListTile(
+            title: Text('Import Wallet'),
+            onTap: () {importWallet(context);},
+          )
         ],
       ),
     );

diff --git a/vidaia/lib/utils/wallet.dart b/vidaia/lib/utils/wallet.dart
@@ -39,11 +39,14 @@ setPriv() async {
   await storage.write(key: "privateKey", value: priv);
 }
 
-recoverWalletFromWords(List<String> words) async {
+recoverWalletFromWords(String words) async {
+  if (!Mnemonic.validate(words.split(' '))){
+    throw Exception('Invalid Mnemonic phrase');
+  }
   final storage = FlutterSecureStorage();
-  await storage.write(key: "mnemonicPhrase", value: words.join(' '));
+  await storage.write(key: "mnemonicPhrase", value: words);
 
-  var priv = Mnemonic.derivePrivateKey(words);
+  var priv = Mnemonic.derivePrivateKey(words.split(' '));
   await storage.write(key: "privateKey", value: bytesToHex(priv));
 }
 
@@ -215,3 +218,33 @@ confirmPurchase(BuildContext context) {
     },
   );
 }
+
+Future<void> importWallet(BuildContext context) async {
+  TextEditingController _textFieldController = TextEditingController();
+  return showDialog(
+      context: context,
+      builder: (context) {
+        return AlertDialog(
+          title: Text('TextField in Dialog'),
+          content: TextField(
+            controller: _textFieldController,
+            decoration: InputDecoration(hintText: "Enter Seed-Words"),
+          ),
+          actions: <Widget>[
+            ElevatedButton(
+              child: Text('CANCEL'),
+              onPressed: () {
+                Navigator.pop(context);
+              },
+            ),
+            ElevatedButton(
+              child: Text('Import'),
+              onPressed: () {
+                print(_textFieldController.value.text);
+                recoverWalletFromWords(_textFieldController.value.text);
+              },
+            ),
+          ],
+        );
+      });
+}