120 lines
3.3 KiB
Dart
120 lines
3.3 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: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 _mnemonic = new TextEditingController();
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TextEditingController _pubkey = new TextEditingController();
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TextEditingController _pin = new TextEditingController();
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final formKey = GlobalKey<FormState>();
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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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TextField(
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enabled: false,
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controller: this._mnemonic,
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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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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: 20.0,
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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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onPressed: () => generateMnemonic(),
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child: Text('Générer un wallet', style: TextStyle(fontSize: 20))),
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SizedBox(height: 20)
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]));
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}
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Future generateMnemonic() async {
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String generatedMnemonic;
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try {
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generatedMnemonic = 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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generateWallet(generatedMnemonic);
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}
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Future generateWallet(generatedMnemonic) async {
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final walletFile = await _localWallet;
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NewWallet newWallet;
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try {
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newWallet = 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._mnemonic.text = generatedMnemonic;
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this._pubkey.text = newWallet.publicKey;
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this._pin.text = newWallet.pin;
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});
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return walletFile.writeAsString('${newWallet.dewif}');
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}
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Future<String> get _localPath async {
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final directory = await getApplicationDocumentsDirectory();
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return directory.path;
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}
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Future<File> get _localWallet async {
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final path = await _localPath;
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return File('$path/wallet.dewif');
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}
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}
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