Add pincode form; Add tab My wallets

lib/ui/generateWallets.dart

@@ -3,15 +3,15 @@ import 'package:flutter/material.dart';
 import 'package:dubp/dubp.dart';
 import 'package:sentry/sentry.dart' as sentry;
 import 'dart:io';
+import 'dart:async';
 import 'package:path_provider/path_provider.dart';
-import 'package:pin_code_fields/pin_code_fields.dart';
 
 class GenerateWalletScreen extends StatefulWidget {
   @override
-  _GenerateWalletScreen createState() => _GenerateWalletScreen();
+  _GenerateWalletState createState() => _GenerateWalletState();
 }
 
-class _GenerateWalletScreen extends State<GenerateWalletScreen> {
+class _GenerateWalletState extends State<GenerateWalletScreen> {
   void initState() {
     super.initState();
     DubpRust.setup();
@@ -19,10 +19,8 @@ class _GenerateWalletScreen extends State<GenerateWalletScreen> {
 
   TextEditingController _mnemonic = new TextEditingController();
   TextEditingController _pubkey = new TextEditingController();
-  TextEditingController _dewif = new TextEditingController();
   TextEditingController _pin = new TextEditingController();
-  TextEditingController _enterPin = new TextEditingController();
+  final formKey = GlobalKey<FormState>();
-  String validPin = 'NO PIN';
 
   @override
   Widget build(BuildContext context) {
@@ -48,13 +46,6 @@ class _GenerateWalletScreen extends State<GenerateWalletScreen> {
               fontSize: 14.0,
               color: Colors.black,
               fontWeight: FontWeight.bold)),
-      TextField(
-          enabled: false,
-          controller: this._dewif,
-          maxLines: 3,
-          textAlign: TextAlign.center,
-          decoration: InputDecoration(),
-          style: TextStyle(fontSize: 12.0, color: Colors.red)),
       TextField(
           enabled: false,
           controller: this._pin,
@@ -69,28 +60,7 @@ class _GenerateWalletScreen extends State<GenerateWalletScreen> {
       new RaisedButton(
           onPressed: () => generateMnemonic(),
           child: Text('Générer un wallet', style: TextStyle(fontSize: 20))),
-      SizedBox(height: 20),
+      SizedBox(height: 20)
-      TextField(
-          controller: this._enterPin,
-          onChanged: (validPin) {
-            this.validPin = validPin ?? 'NO PIN';
-            print('PIN: ' + this.validPin);
-          },
-          maxLines: 1,
-          textAlign: TextAlign.center,
-          decoration: InputDecoration(
-            hintText: 'Tappez votre code PIN',
-            hintStyle: TextStyle(fontSize: 15),
-            contentPadding: EdgeInsets.symmetric(horizontal: 7, vertical: 15),
-          ),
-          style: TextStyle(
-              fontSize: 20.0,
-              color: Colors.black,
-              fontWeight: FontWeight.bold)),
-      SizedBox(height: 12),
-      new RaisedButton(
-          onPressed: () => readLocalWallet(this.validPin.toUpperCase()),
-          child: Text('Lire le wallet local', style: TextStyle(fontSize: 20))),
     ]));
   }
 
@@ -130,75 +100,12 @@ class _GenerateWalletScreen extends State<GenerateWalletScreen> {
     setState(() {
       this._mnemonic.text = generatedMnemonic;
       this._pubkey.text = newWallet.publicKey;
-      this._dewif.text = newWallet.dewif;
       this._pin.text = newWallet.pin;
     });
 
     return walletFile.writeAsString('${newWallet.dewif}');
   }
 
-  Future getPubkeyFromDewif(_dewif, _pin) async {
-    String _pubkey;
-    RegExp regExp = new RegExp(
-      r'^[A-Z0-9]+$',
-      caseSensitive: false,
-      multiLine: false,
-    );
-
-    if (regExp.hasMatch(_pin) == true && _pin.length == 6) {
-      print("Le format du code PIN est correct.");
-    } else {
-      print('Format de code PIN invalide');
-      return 'false';
-    }
-    try {
-      _pubkey = await DubpRust.getDewifPublicKey(dewif: _dewif, pin: _pin);
-      setState(() {
-        this._pubkey.text = _pubkey;
-      });
-
-      return _pubkey;
-    } catch (e, stack) {
-      print('Bad PIN code !');
-      print(e);
-      if (kReleaseMode) {
-        await sentry.Sentry.captureException(
-          e,
-          stackTrace: stack,
-        );
-      }
-      return 'false';
-    }
-  }
-
-  Future readLocalWallet(String _pin) async {
-    // print(pin);
-    try {
-      final file = await _localWallet;
-      String _localDewif = await file.readAsString();
-      String _localPubkey;
-
-      // _localPubkey = await getPubkeyFromDewif(_localDewif, _pin)?
-
-      if ((_localPubkey = await getPubkeyFromDewif(_localDewif, _pin)) !=
-          'false') {
-        setState(() {
-          this._mnemonic.text = '';
-          this._pubkey.text = _localPubkey;
-          this._dewif.text = _localDewif;
-          this._pin.text = _pin;
-        });
-
-        return _localDewif;
-      } else {
-        throw 'Bad pubkey';
-      }
-    } catch (e) {
-      print('ERROR READING FILE: $e');
-      return 0;
-    }
-  }
-
   Future<String> get _localPath async {
     final directory = await getApplicationDocumentsDirectory();
 

lib/ui/home.dart

@@ -4,6 +4,8 @@ import 'package:flutter/material.dart';
 import 'dart:typed_data';
 import 'dart:ui';
 
+import 'myWallets.dart';
+
 //ignore: must_be_immutable
 class HomeScreen extends StatefulWidget {
   HomeScreen({this.screens});
@@ -40,6 +42,7 @@ class _HomeScreenState extends State<HomeScreen> {
               keyHistory: _keyHistory,
             ),
             GenerateWalletScreen(),
+            MyWalletsScreen(),
           ],
         ),
       ),
@@ -65,11 +68,15 @@ class _HomeScreenState extends State<HomeScreen> {
         items: [
           BottomNavigationBarItem(
             icon: new Icon(Icons.format_list_bulleted),
-            label: 'HOME',
+            label: 'Accueil',
           ),
           BottomNavigationBarItem(
-            icon: new Icon(Icons.settings),
+            icon: new Icon(Icons.person_add_alt_1_rounded),
-            label: 'GENERATE WALLET',
+            label: 'Générer un wallet',
+          ),
+          BottomNavigationBarItem(
+            icon: new Icon(Icons.lock),
+            label: 'Mes wallets',
           )
         ],
       ),

lib/ui/myWallets.dart

@@ -0,0 +1,197 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:dubp/dubp.dart';
+import 'package:sentry/sentry.dart' as sentry;
+import 'dart:io';
+import 'dart:async';
+import 'package:path_provider/path_provider.dart';
+import 'package:pin_code_fields/pin_code_fields.dart';
+
+class MyWalletsScreen extends StatefulWidget {
+  @override
+  _MyWalletState createState() => _MyWalletState();
+}
+
+class _MyWalletState extends State<MyWalletsScreen> {
+  StreamController<ErrorAnimationType> errorController;
+
+  void initState() {
+    super.initState();
+    errorController = StreamController<ErrorAnimationType>();
+    DubpRust.setup();
+    // HistoryScreen(
+    //   keyHistory: _keyHistory,
+    // );
+  }
+
+  TextEditingController _pubkey = new TextEditingController();
+  TextEditingController _enterPin = new TextEditingController();
+  final formKey = GlobalKey<FormState>();
+  bool hasError = false;
+  String validPin = 'NO PIN';
+  String currentText = "";
+  var pinColor = Colors.grey[300];
+
+  @override
+  Widget build(BuildContext context) {
+    return SafeArea(
+        child: Column(children: <Widget>[
+      InkWell(
+        child: TextField(
+            enabled: false,
+            controller: this._pubkey,
+            maxLines: 1,
+            textAlign: TextAlign.center,
+            decoration: InputDecoration(),
+            style: TextStyle(
+                fontSize: 14.0,
+                color: Colors.black,
+                fontWeight: FontWeight.bold)),
+        onTap: () {
+          print("Ma pubkey click");
+          // _keyHistory.currentState.scan();
+        },
+      ),
+      Form(
+        key: formKey,
+        child: Padding(
+            padding: const EdgeInsets.symmetric(vertical: 8.0, horizontal: 30),
+            child: PinCodeTextField(
+              appContext: context,
+              pastedTextStyle: TextStyle(
+                color: Colors.green.shade600,
+                fontWeight: FontWeight.bold,
+              ),
+              length: 6,
+              obscureText: false,
+              obscuringCharacter: '*',
+              animationType: AnimationType.fade,
+              validator: (v) {
+                if (v.length < 6) {
+                  return "Votre code PIN fait 6 caractères";
+                } else {
+                  return null;
+                }
+              },
+              pinTheme: PinTheme(
+                shape: PinCodeFieldShape.box,
+                borderRadius: BorderRadius.circular(5),
+                fieldHeight: 60,
+                fieldWidth: 50,
+                activeFillColor: hasError ? Colors.orange : Colors.white,
+              ),
+              cursorColor: Colors.black,
+              animationDuration: Duration(milliseconds: 300),
+              textStyle: TextStyle(fontSize: 20, height: 1.6),
+              backgroundColor: pinColor,
+              enableActiveFill: false,
+              errorAnimationController: errorController,
+              controller: _enterPin,
+              keyboardType: TextInputType.text,
+              boxShadows: [
+                BoxShadow(
+                  offset: Offset(0, 1),
+                  color: Colors.black12,
+                  blurRadius: 10,
+                )
+              ],
+              onCompleted: (v) async {
+                print("Completed");
+                final resultWallet = await readLocalWallet(v.toUpperCase());
+                if (resultWallet == 'bad') {
+                  errorController.add(ErrorAnimationType
+                      .shake); // Triggering error shake animation
+                  setState(() {
+                    hasError = true;
+                    pinColor = Colors.red[200];
+                  });
+                } else {
+                  setState(() {
+                    pinColor = Colors.green[200];
+                  });
+                }
+              },
+              onChanged: (value) {
+                if (pinColor != Colors.grey[300]) {
+                  setState(() {
+                    pinColor = Colors.grey[300];
+                  });
+                }
+                print(value);
+              },
+            )),
+      )
+    ]));
+  }
+
+  Future getPubkeyFromDewif(_dewif, _pin) async {
+    String _pubkey;
+    RegExp regExp = new RegExp(
+      r'^[A-Z0-9]+$',
+      caseSensitive: false,
+      multiLine: false,
+    );
+
+    if (regExp.hasMatch(_pin) == true && _pin.length == 6) {
+      print("Le format du code PIN est correct.");
+    } else {
+      print('Format de code PIN invalide');
+      return 'false';
+    }
+    try {
+      _pubkey = await DubpRust.getDewifPublicKey(dewif: _dewif, pin: _pin);
+      setState(() {
+        this._pubkey.text = _pubkey;
+      });
+
+      return _pubkey;
+    } catch (e, stack) {
+      print('Bad PIN code !');
+      print(e);
+      if (kReleaseMode) {
+        await sentry.Sentry.captureException(
+          e,
+          stackTrace: stack,
+        );
+      }
+      return 'false';
+    }
+  }
+
+  Future readLocalWallet(String _pin) async {
+    // print(pin);
+    try {
+      final file = await _localWallet;
+      String _localDewif = await file.readAsString();
+      String _localPubkey;
+
+      if ((_localPubkey = await getPubkeyFromDewif(_localDewif, _pin)) !=
+          'false') {
+        setState(() {
+          this._pubkey.text = _localPubkey;
+        });
+
+        return _localDewif;
+      } else {
+        throw 'Bad pubkey';
+      }
+    } catch (e) {
+      print('ERROR READING FILE: $e');
+      setState(() {
+        this._pubkey.clear();
+      });
+      return 'bad';
+    }
+  }
+
+  Future<String> get _localPath async {
+    final directory = await getApplicationDocumentsDirectory();
+
+    return directory.path;
+  }
+
+  Future<File> get _localWallet async {
+    final path = await _localPath;
+    return File('$path/wallet.dewif');
+  }
+}