376 lines
13 KiB
Dart
376 lines
13 KiB
Dart
import 'package:gecko/ui/myWallets.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:dubp/dubp.dart';
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import 'package:pin_code_fields/pin_code_fields.dart';
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import 'package:sentry/sentry.dart' as sentry;
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import 'dart:io';
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import 'dart:async';
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import 'package:path_provider/path_provider.dart';
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class GenerateWalletScreen extends StatefulWidget {
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@override
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_GenerateWalletState createState() => _GenerateWalletState();
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}
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class _GenerateWalletState extends State<GenerateWalletScreen> {
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void initState() {
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super.initState();
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DubpRust.setup();
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}
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TextEditingController _mnemonicController = new TextEditingController();
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TextEditingController _pubkey = new TextEditingController();
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TextEditingController _pin = new TextEditingController();
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String generatedMnemonic;
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bool walletIsGenerated = false;
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NewWallet actualWallet;
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final formKey = GlobalKey<FormState>();
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bool hasError = false;
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String validPin = 'NO PIN';
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String currentText = "";
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var pinColor = Colors.grey[300];
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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floatingActionButton: Container(
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height: 80.0,
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width: 80.0,
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child: FittedBox(
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child: FloatingActionButton(
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heroTag: "buttonGenerateWallet",
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onPressed: () async {
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await generateMnemonic();
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// print(resultScan);
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// if (resultScan != 'false') {
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// onTabTapped(0);
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// }
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},
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child: Container(
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height: 40.0,
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width: 40.0,
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child: Icon(Icons.person_add_alt_1_rounded)),
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backgroundColor: Color(
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0xffEFEFBF), //Color(0xffFFD68E), //Color.fromARGB(500, 204, 255, 255),
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),
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),
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),
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body: SafeArea(
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child: Column(children: <Widget>[
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FutureBuilder<bool>(
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future: checkIfWalletExist(),
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builder: (context, fSnapshot) {
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if (fSnapshot.hasData)
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return Visibility(
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visible: (!fSnapshot.data && !walletIsGenerated),
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child: Column(children: <Widget>[
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SizedBox(height: 80),
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Center(
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child: Text(
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"Vous n'avez encore généré aucun portefeuille.",
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style: TextStyle(
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fontSize: 20, fontWeight: FontWeight.w500),
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textAlign: TextAlign.center)),
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SizedBox(height: 50),
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RaisedButton(
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color: Color(0xffFFD68E),
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onPressed: () => generateMnemonic(),
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child: Text('Générer un portefeuille',
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style: TextStyle(fontSize: 20))),
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SizedBox(height: 15),
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Center(
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child: Text("ou",
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style: TextStyle(
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fontSize: 20, fontWeight: FontWeight.w500),
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textAlign: TextAlign.center)),
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SizedBox(height: 15),
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RaisedButton(
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color: Color(0xffFFD68E),
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onPressed: () => importWallet(),
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child: Text('Importer un portefeuille existant',
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style: TextStyle(fontSize: 20))),
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])); // WelcomeWalletScreen());
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return Center(child: CircularProgressIndicator());
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}),
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FutureBuilder<bool>(
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future: checkIfWalletExist(),
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builder: (context, fSnapshot) {
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if (fSnapshot.hasData)
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return Visibility(
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visible: fSnapshot.data, child: MyWalletsScreen());
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return Center(child: CircularProgressIndicator());
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}),
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SizedBox(height: 8),
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Visibility(
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visible: walletIsGenerated,
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child: Column(children: <Widget>[
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Text(
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'Clé publique:',
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style: TextStyle(
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fontSize: 15.0,
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color: Colors.grey[600],
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fontWeight: FontWeight.w400),
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),
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TextField(
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enabled: false,
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controller: this._pubkey,
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maxLines: 1,
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textAlign: TextAlign.center,
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decoration: InputDecoration(),
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style: TextStyle(
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fontSize: 14.0,
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color: Colors.black,
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fontWeight: FontWeight.bold)),
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SizedBox(height: 8),
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Text(
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'Phrase de restauration:',
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style: TextStyle(
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fontSize: 15.0,
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color: Colors.grey[600],
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fontWeight: FontWeight.w400),
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),
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TextField(
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enabled: false,
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controller: this._mnemonicController,
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maxLines: 3,
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textAlign: TextAlign.center,
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decoration: InputDecoration(
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contentPadding: EdgeInsets.all(15.0),
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),
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style: TextStyle(
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fontSize: 22.0,
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color: Colors.black,
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fontWeight: FontWeight.w400)),
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SizedBox(height: 8),
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Text(
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'Code secret:',
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style: TextStyle(
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fontSize: 15.0,
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color: Colors.grey[600],
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fontWeight: FontWeight.w400),
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),
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TextField(
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enabled: false,
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controller: this._pin,
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maxLines: 1,
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textAlign: TextAlign.center,
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decoration: InputDecoration(),
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style: TextStyle(
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fontSize: 30.0,
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color: Colors.black,
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fontWeight: FontWeight.bold)),
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SizedBox(height: 12),
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// Expanded(child: Align(alignment: Alignment.bottomCenter)),
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new RaisedButton(
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color: Color(0xffFFD68E),
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onPressed: walletIsGenerated
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? () {
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Navigator.push(
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context,
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MaterialPageRoute(builder: (context) {
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return ValidStoreWalletScreen(
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generatedMnemonic: this.generatedMnemonic,
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generatedWallet: this.actualWallet);
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}),
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).then((value) => setState(() {
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print(
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'TODO: Fix error null boolean ?'); //TODO: Fix error null boolean
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if (value) {
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_pin.clear();
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_mnemonicController.clear();
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_pubkey.clear();
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this.generatedMnemonic = null;
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this.actualWallet = null;
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this.walletIsGenerated = false;
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}
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}));
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}
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: null,
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child: Text('Enregistrer ce wallet',
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style: TextStyle(fontSize: 20))),
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SizedBox(height: 20)
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]),
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// Visibility(
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// visible: walletIsGenerated,
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// child: Text("""
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// Notez bien votre phrase de restauration sur un papier ou imprimez le, ainsi que votre code secret, que vous devrez retenir.
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// Pour payer ou manipuler votre wallet, seul votre code secret vous sera nécessaire.
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// Votre phrase de restauration quant à elle, constitué de 12 mots, vous permet de restaurer votre wallet sur un autre appareil. Gardez la précieusement, en lieu sûr.
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// """,
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// style: TextStyle(fontSize: 15, fontWeight: FontWeight.bold),
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// textAlign: TextAlign.center),
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// )
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)
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])));
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}
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Future generateMnemonic() async {
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try {
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this.generatedMnemonic =
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await DubpRust.genMnemonic(language: Language.french);
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} catch (e, stack) {
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print(e);
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if (kReleaseMode) {
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await sentry.Sentry.captureException(
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e,
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stackTrace: stack,
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);
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}
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}
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this.actualWallet = await generateWallet(this.generatedMnemonic);
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this.walletIsGenerated = true;
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// await checkIfWalletExist();
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return this.generatedMnemonic;
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}
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Future generateWallet(generatedMnemonic) async {
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try {
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this.actualWallet = await DubpRust.genWalletFromMnemonic(
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language: Language.french,
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mnemonic: generatedMnemonic,
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secretCodeType: SecretCodeType.letters);
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} catch (e, stack) {
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print(e);
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if (kReleaseMode) {
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await sentry.Sentry.captureException(
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e,
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stackTrace: stack,
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);
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}
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}
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setState(() {
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this._mnemonicController.text = generatedMnemonic;
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this._pubkey.text = actualWallet.publicKey;
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this._pin.text = actualWallet.pin;
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});
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return actualWallet;
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}
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Future<bool> checkIfWalletExist() async {
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// deleteWallet();
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final _walletFile = await _localWallet;
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// final isExist = File(_walletFile.toString()).existsSync();
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print(_walletFile.path);
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final isExist = await File(_walletFile.path).exists();
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print('Wallet existe ? : ' + isExist.toString());
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print('Is wallet generated ? : ' + walletIsGenerated.toString());
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if (isExist == true) {
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print('Un wallet existe !');
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return true;
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} else {
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return false;
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}
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}
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Future importWallet() async {}
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Future<int> deleteWallet() async {
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try {
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final _walletFile = await _localWallet;
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await _walletFile.delete();
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} catch (e) {
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return 1;
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}
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}
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Future<String> get _localPath async {
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final directory = await getApplicationDocumentsDirectory();
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return directory.path;
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}
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Future<File> get _localWallet async {
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// /data/user/0/com.example.gecko/app_flutter/wallet.dewif
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final path = await _localPath;
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return File('$path/wallet.dewif');
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}
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}
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/* *** ValidStoreWalletScreen Class *** */
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class ValidStoreWalletScreen extends StatefulWidget {
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final String generatedMnemonic;
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final NewWallet generatedWallet;
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ValidStoreWalletScreen(
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{Key validationKey,
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@required this.generatedMnemonic,
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@required this.generatedWallet})
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: super(key: validationKey);
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@override
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_ValidStoreWalletScreen createState() => _ValidStoreWalletScreen();
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}
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class _ValidStoreWalletScreen extends State<ValidStoreWalletScreen> {
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void initState() {
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super.initState();
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// DubpRust.setup();
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this._mnemonicController.text = widget.generatedMnemonic;
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this._pubkey.text = widget.generatedWallet.publicKey;
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}
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TextEditingController _mnemonicController = new TextEditingController();
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TextEditingController _pubkey = new TextEditingController();
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TextEditingController _pin = new TextEditingController();
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(),
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body: Center(
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child: Column(children: <Widget>[
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TextField(
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enabled: false,
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controller: this._mnemonicController,
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maxLines: 2,
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textAlign: TextAlign.center,
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decoration: InputDecoration(),
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style: TextStyle(
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fontSize: 15.0,
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color: Colors.black,
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fontWeight: FontWeight.bold)),
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TextField(
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enabled: false,
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controller: this._pubkey,
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maxLines: 1,
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textAlign: TextAlign.center,
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decoration: InputDecoration(),
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style: TextStyle(
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fontSize: 14.0,
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color: Colors.black,
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fontWeight: FontWeight.bold)),
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new RaisedButton(
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color: Color(0xffFFD68E),
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onPressed: () => storeWallet(),
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child: Text('Confirmer', style: TextStyle(fontSize: 20))),
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]),
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),
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);
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}
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Future storeWallet() async {
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final walletFile = await _localWallet;
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walletFile.writeAsString('${widget.generatedWallet.dewif}');
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_pin.clear();
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Navigator.pop(context, true);
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FocusScope.of(context).unfocus();
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}
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Future<String> get _localPath async {
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final directory = await getApplicationDocumentsDirectory();
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return directory.path;
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}
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Future<File> get _localWallet async {
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final path = await _localPath;
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return File('$path/wallet.dewif');
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}
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}
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