199 lines
5.7 KiB
Dart
199 lines
5.7 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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import 'package:pin_code_fields/pin_code_fields.dart';
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class MyWalletsScreen extends StatefulWidget {
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@override
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_MyWalletState createState() => _MyWalletState();
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}
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class _MyWalletState extends State<MyWalletsScreen> {
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StreamController<ErrorAnimationType> errorController;
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void initState() {
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super.initState();
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errorController = StreamController<ErrorAnimationType>();
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DubpRust.setup();
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// HistoryScreen(
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// keyHistory: _keyHistory,
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// );
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}
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TextEditingController _pubkey = new TextEditingController();
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TextEditingController _enterPin = new TextEditingController();
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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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InkWell(
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child: 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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onTap: () {
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print("Ma pubkey click");
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// _keyHistory.currentState.scan();
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},
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),
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SizedBox(height: 12),
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Form(
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key: formKey,
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child: Padding(
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padding: 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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Future getPubkeyFromDewif(_dewif, _pin) async {
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String _pubkey;
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RegExp regExp = new RegExp(
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r'^[A-Z0-9]+$',
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caseSensitive: false,
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multiLine: false,
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);
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if (regExp.hasMatch(_pin) == true && _pin.length == 6) {
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print("Le format du code PIN est correct.");
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} else {
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print('Format de code PIN invalide');
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return 'false';
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}
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try {
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_pubkey = await DubpRust.getDewifPublicKey(dewif: _dewif, pin: _pin);
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setState(() {
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this._pubkey.text = _pubkey;
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});
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return _pubkey;
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} catch (e, stack) {
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print('Bad PIN code !');
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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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return 'false';
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}
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}
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Future readLocalWallet(String _pin) async {
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// print(pin);
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try {
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final file = await _localWallet;
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String _localDewif = await file.readAsString();
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String _localPubkey;
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if ((_localPubkey = await getPubkeyFromDewif(_localDewif, _pin)) !=
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'false') {
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setState(() {
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this._pubkey.text = _localPubkey;
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});
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return _localDewif;
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} else {
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throw 'Bad pubkey';
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}
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} catch (e) {
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print('ERROR READING FILE: $e');
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setState(() {
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this._pubkey.clear();
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});
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return 'bad';
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}
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}
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Future<String> get _localPath async {
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final directory = await getApplicationDocumentsDirectory();
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return directory.path;
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}
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Future<File> get _localWallet async {
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final path = await _localPath;
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return File('$path/wallet.dewif');
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}
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}
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