323 lines
11 KiB
Dart
323 lines
11 KiB
Dart
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 SafeArea(
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child: Column(children: <Widget>[
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SizedBox(height: 8),
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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 secrète:',
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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 PIN:',
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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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new RaisedButton(
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color: Color(0xffFFD68E),
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onPressed: () => generateMnemonic(),
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child: Text('Générer un wallet', style: TextStyle(fontSize: 20))),
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SizedBox(height: 30),
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Expanded(
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child: Align(
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alignment: Alignment.bottomCenter,
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child: 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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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: 15)
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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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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, mnemonic: generatedMnemonic);
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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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}
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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(widget.generatedWallet),
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child: Text('Confirmer', style: TextStyle(fontSize: 20))),
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// Form(
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// child: Padding(
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// padding:
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// const EdgeInsets.symmetric(vertical: 8.0, horizontal: 30),
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// child: PinCodeTextField(
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// appContext: context,
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// pastedTextStyle: TextStyle(
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// color: Colors.green.shade600,
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// fontWeight: FontWeight.bold,
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// ),
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// length: 6,
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// obscureText: false,
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// obscuringCharacter: '*',
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// animationType: AnimationType.fade,
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// validator: (v) {
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// if (v.length < 6) {
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// return "Votre code PIN fait 6 caractères";
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// } else {
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// return null;
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// }
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// },
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// pinTheme: PinTheme(
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// shape: PinCodeFieldShape.box,
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// borderRadius: BorderRadius.circular(5),
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// fieldHeight: 60,
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// fieldWidth: 50,
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// activeFillColor: hasError ? Colors.orange : Colors.white,
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// ),
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// cursorColor: Colors.black,
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// animationDuration: Duration(milliseconds: 300),
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// textStyle: TextStyle(fontSize: 20, height: 1.6),
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// backgroundColor: pinColor,
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// enableActiveFill: false,
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// errorAnimationController: errorController,
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// controller: _enterPin,
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// keyboardType: TextInputType.text,
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// boxShadows: [
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// BoxShadow(
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// offset: Offset(0, 1),
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// color: Colors.black12,
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// blurRadius: 10,
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// )
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// ],
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// onCompleted: (v) async {
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// print("Completed");
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// final resultWallet = await readLocalWallet(v.toUpperCase());
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// if (resultWallet == 'bad') {
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// errorController.add(ErrorAnimationType
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// .shake); // Triggering error shake animation
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// setState(() {
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// hasError = true;
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// pinColor = Colors.red[200];
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// });
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// } else {
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// setState(() {
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// pinColor = Colors.green[200];
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// });
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// }
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// },
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// onChanged: (value) {
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// if (pinColor != Colors.grey[300]) {
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// setState(() {
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// pinColor = Colors.grey[300];
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// });
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// }
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// print(value);
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// },
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// )),
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// )
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]),
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),
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);
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}
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Future storeWallet(actualWallet) 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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