forked from axiom-team/gecko
171 lines
5.0 KiB
Dart
171 lines
5.0 KiB
Dart
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import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:gecko/globals.dart';
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import 'package:gecko/models/queries_indexer.dart';
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import 'package:gecko/models/wallet_data.dart';
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import 'package:gecko/providers/wallet_options.dart';
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import 'package:graphql_flutter/graphql_flutter.dart';
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import 'package:provider/provider.dart';
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class DuniterIndexer with ChangeNotifier {
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Map<String, String?> walletNameIndexer = {};
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void reload() {
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notifyListeners();
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}
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Future checkIndexerEndpoint() async {
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final oldEndpoint = indexerEndpoint;
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while (true) {
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await Future.delayed(const Duration(seconds: 30));
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final _client = HttpClient();
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_client.connectionTimeout = const Duration(milliseconds: 1000);
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try {
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final request = await _client.postUrl(Uri.parse(oldEndpoint));
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final response = await request.close();
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if (response.statusCode != 200) {
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log.d('INDEXER IS OFFILINE');
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indexerEndpoint = '';
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} else {
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// log.d('Indexer is online');
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indexerEndpoint = oldEndpoint;
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}
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} catch (e) {
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log.d('INDEXER IS OFFILINE');
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indexerEndpoint = '';
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}
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}
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}
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Future<String> getValidIndexerEndpoint() async {
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List _listEndpoints = await rootBundle
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.loadString('config/indexer_endpoints.json')
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.then((jsonStr) => jsonDecode(jsonStr));
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// _listEndpoints.shuffle();
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int i = 0;
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// String _endpoint = '';
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int _statusCode = 0;
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final _client = HttpClient();
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_client.connectionTimeout = const Duration(milliseconds: 1000);
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do {
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int listLenght = _listEndpoints.length;
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if (i >= listLenght) {
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log.e('NO VALID INDEXER ENDPOINT FOUND');
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indexerEndpoint = '';
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break;
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}
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log.d(
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(i + 1).toString() + 'n indexer endpoint try: ${_listEndpoints[i]}');
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if (i != 0) {
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await Future.delayed(const Duration(milliseconds: 300));
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}
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try {
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final request = await _client.postUrl(Uri.parse(_listEndpoints[i]));
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final response = await request.close();
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indexerEndpoint = _listEndpoints[i];
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_statusCode = response.statusCode;
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i++;
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} on TimeoutException catch (_) {
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log.e('This endpoint is timeout, next');
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_statusCode = 50;
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i++;
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continue;
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} on SocketException catch (_) {
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log.e('This endpoint is a bad endpoint, next');
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_statusCode = 70;
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i++;
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continue;
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} on Exception {
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log.e('Unknown error');
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_statusCode = 60;
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i++;
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continue;
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}
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} while (_statusCode != 200);
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log.i('INDEXER: ' + indexerEndpoint);
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return indexerEndpoint;
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}
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Widget getNameByAddress(BuildContext context, String address,
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[WalletData? wallet,
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double size = 20,
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bool canEdit = false,
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Color _color = Colors.black,
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FontWeight fontWeight = FontWeight.w400,
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FontStyle fontStyle = FontStyle.italic]) {
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WalletOptionsProvider _walletOptions =
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Provider.of<WalletOptionsProvider>(context, listen: false);
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log.d('iiiiiiiiiiiiiiiiiiiiiii $indexerEndpoint');
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if (indexerEndpoint == '') {
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if (wallet == null) {
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return const SizedBox();
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} else {
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if (canEdit) {
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return _walletOptions.walletName(context, wallet, size, _color);
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} else {
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return _walletOptions.walletNameController(context, wallet, size);
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}
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}
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}
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return Query(
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options: QueryOptions(
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document: gql(
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getNameByAddressQ), // this is the query string you just created
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variables: {
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'address': address,
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},
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// pollInterval: const Duration(seconds: 10),
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),
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builder: (QueryResult result,
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{VoidCallback? refetch, FetchMore? fetchMore}) {
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if (result.hasException) {
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return Text(result.exception.toString());
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}
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if (result.isLoading) {
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return const Text('Loading');
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}
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walletNameIndexer[address] =
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result.data?['account_by_pk']?['identity']?['name'];
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if (walletNameIndexer[address] == null) {
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if (wallet == null) {
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return const SizedBox();
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} else {
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if (canEdit) {
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return _walletOptions.walletName(context, wallet, size, _color);
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} else {
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return _walletOptions.walletNameController(
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context, wallet, size);
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}
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}
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}
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return Text(
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_color == Colors.grey[700]!
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? '(${walletNameIndexer[address]!})'
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: walletNameIndexer[address]!,
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style: TextStyle(
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fontSize: size,
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color: _color,
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fontWeight: fontWeight,
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fontStyle: fontStyle,
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),
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);
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});
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}
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}
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