walletOptions.dart

import 'dart:io';
import 'dart:typed_data';
import 'package:crypto/crypto.dart';
import 'package:dubp/dubp.dart';
import 'package:fast_base58/fast_base58.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:gecko/globals.dart';
import 'package:image_picker/image_picker.dart';
import 'package:truncate/truncate.dart';
import 'package:qrscan/qrscan.dart' as scanner;

class WalletOptionsProvider with ChangeNotifier {
  TextEditingController pubkey = TextEditingController();
  TextEditingController _newWalletName = TextEditingController();
  bool isWalletUnlock = false;
  bool ischangedPin = false;
  TextEditingController newPin = new TextEditingController();
  bool isEditing = false;
  bool isBalanceBlur = true;
  FocusNode walletNameFocus = FocusNode();
  TextEditingController nameController = TextEditingController();
  String walletID;
  bool isDefaultWallet;

  Future<NewWallet> get badWallet => null;

  Future _getPubkeyFromDewif(
      String _dewif, _pin, int _pinLenght, int derivation) async {
    String _pubkey;
    RegExp regExp = new RegExp(
      r'^[A-Z0-9]+$',
      caseSensitive: false,
      multiLine: false,
    );

    if (regExp.hasMatch(_pin) == true && _pin.length == _pinLenght) {
      print("Le format du code PIN est correct.");
    } else {
      print('Format de code PIN invalide');
      return 'false';
    }
    if (derivation != -1) {
      try {
        List _pubkeysTmp = await DubpRust.getBip32DewifAccountsPublicKeys(
            dewif: _dewif, secretCode: _pin, accountsIndex: [derivation]);
        _pubkey = _pubkeysTmp[0];
        this.pubkey.text = _pubkey;
        notifyListeners();

        return _pubkey;
      } catch (e) {
        print('Bad PIN code !');
        print(e);
        notifyListeners();

        return 'false';
      }
    } else {
      try {
        _pubkey = await DubpRust.getDewifPublicKey(dewif: _dewif, pin: _pin);
        this.pubkey.text = _pubkey;
        notifyListeners();
        return _pubkey;
      } catch (e) {
        print('Bad PIN code !');
        print(e);
        notifyListeners();