history.dart

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:gecko/globals.dart';
import 'package:graphql_flutter/graphql_flutter.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:sentry/sentry.dart' as sentry;
import 'package:qrscan/qrscan.dart' as scanner;
import 'dart:math';
import 'package:intl/intl.dart';

class HistoryProvider with ChangeNotifier {
  String pubkey = '';
  HistoryProvider(this.pubkey);
  final TextEditingController outputPubkey = TextEditingController();
  List transBC;
  bool isFirstBuild = true;
  String fetchMoreCursor;
  Map pageInfo;

  Future scan() async {
    await Permission.camera.request();
    String barcode;
    try {
      barcode = await scanner.scan();
    } catch (e, stack) {
      print(e);
      if (kReleaseMode) {
        await sentry.Sentry.captureException(
          e,
          stackTrace: stack,
        );
      }
      return 'false';
    }
    if (barcode != null) {
      this.outputPubkey.text = barcode;
      isPubkey(barcode);
    } else {
      return 'false';
    }
    return barcode;
  }

  String isPubkey(pubkey) {
    final RegExp regExp = new RegExp(
      r'^[a-zA-Z0-9]+$',
      caseSensitive: false,
      multiLine: false,
    );

    if (regExp.hasMatch(pubkey) == true &&
        pubkey.length > 42 &&
        pubkey.length < 45) {
      print("C'est une pubkey !!!");

      this.pubkey = pubkey;
      this.outputPubkey.text = pubkey;
      notifyListeners();

      return pubkey;
    }

    return '';
  }

// Pi: D2meevcAHFTS2gQMvmRW5Hzi25jDdikk4nC4u1FkwRaU         // For debug
// Boris: JE6mkuzSpT3ePciCPRTpuMT9fqPUVVLJz2618d33p7tn
// Matograine portefeuille: 9p5nHsES6xujFR7pw2yGy4PLKKHgWsMvsDHaHF64Uj25.
// Lion simone: 78jhpprYkMNF6i5kQPXfkAVBpd2aqcpieNsXTSW4c21f