122 lines
3.3 KiB
Dart
122 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:permission_handler/permission_handler.dart';
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import 'package:sentry/sentry.dart' as sentry;
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import 'package:qrscan/qrscan.dart' as scanner;
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import 'dart:math';
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import 'package:intl/intl.dart';
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class HistoryProvider with ChangeNotifier {
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String pubkey = '';
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HistoryProvider(this.pubkey);
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final TextEditingController _outputPubkey = new TextEditingController();
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// String pubkey = 'D2meevcAHFTS2gQMvmRW5Hzi25jDdikk4nC4u1FkwRaU'; // For debug
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Future scan() async {
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await Permission.camera.request();
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String barcode;
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try {
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barcode = await scanner.scan();
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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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return 'false';
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}
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if (barcode != null) {
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this._outputPubkey.text = barcode;
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isPubkey(barcode);
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} else {
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return 'false';
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}
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return barcode;
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}
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String isPubkey(pubkey) {
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final RegExp regExp = new RegExp(
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r'^[a-zA-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(pubkey) == true &&
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pubkey.length > 42 &&
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pubkey.length < 45) {
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print("C'est une pubkey !!!");
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this.pubkey = pubkey;
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this._outputPubkey.text = pubkey;
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notifyListeners();
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return pubkey;
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}
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return '';
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}
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List parseHistory(txs) {
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var transBC = [];
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int i = 0;
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final currentBase = 0;
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double currentUD = 10.54;
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for (final trans in txs) {
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var direction = trans['direction'];
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final transaction = trans['node'];
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var output = transaction['outputs'][0];
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transBC.add(i);
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transBC[i] = [];
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final dateBrut = DateTime.fromMillisecondsSinceEpoch(
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transaction['writtenTime'] * 1000);
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final DateFormat formatter = DateFormat('dd-MM-yy\nHH:mm');
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final date = formatter.format(dateBrut);
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transBC[i].add(transaction['writtenTime']);
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transBC[i].add(date);
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// print(
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// "DEBUG date et comment: ${date.toString()} -- ${transaction['comment'].toString()}");
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int amountBrut = int.parse(output.split(':')[0]);
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final base = int.parse(output.split(':')[1]);
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final int applyBase = base - currentBase;
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final num amount =
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removeDecimalZero(amountBrut * pow(10, applyBase) / 100);
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num amountUD = amount / currentUD;
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if (direction == "RECEIVED") {
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transBC[i].add(transaction['issuers'][0]);
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transBC[i].add(amount.toString());
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transBC[i].add(amountUD.toStringAsFixed(2));
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} else if (direction == "SENT") {
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final outPubkey = output.split("SIG(")[1].replaceAll(')', '');
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transBC[i].add(outPubkey);
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transBC[i].add('- ' + amount.toString());
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transBC[i].add(amountUD.toStringAsFixed(2));
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}
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transBC[i].add(transaction['comment']);
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i++;
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}
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// transBC.sort((b, a) => Comparable.compare(a[0], b[0]));
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return transBC;
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}
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void resetdHistory() {
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this._outputPubkey.text = '';
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notifyListeners();
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}
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num removeDecimalZero(double n) {
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String result = n.toStringAsFixed(n.truncateToDouble() == n ? 0 : 1);
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return num.parse(result);
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}
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// num getBalance(_pubkey) {
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// getBalance(_pubkey);
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// }
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}
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