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136 lines
3.4 KiB
136 lines
3.4 KiB
/*
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Copyright 2019 fuwa
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This file is part of CyberWOW.
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CyberWOW is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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CyberWOW is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with CyberWOW. If not, see <https://www.gnu.org/licenses/>.
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*/
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import 'dart:async';
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import 'dart:convert';
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import 'package:http/http.dart' as http;
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import 'package:flutter/foundation.dart';
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import '../../config.dart' as config;
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import '../../helper.dart';
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import '../../logging.dart';
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import 'rpcView.dart';
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int rpcID = 0;
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Future<http.Response> rpcHTTP(final String method) async {
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final url = 'http://${config.host}:${config.c.port}/json_rpc';
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rpcID += 1;
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final body = json.encode
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(
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{
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'jsonrpc': '2.0',
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'id': rpcID.toString(),
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'method': method,
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}
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);
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try {
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final response = await http.post
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( url,
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body: body
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);
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return response;
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}
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catch (e) {
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log.warning(e);
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return null;
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}
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}
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dynamic jsonDecode(final String responseBody) => json.decode(responseBody);
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Future<dynamic> rpc(final String method, {final String field}) async {
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final response = await rpcHTTP(method);
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if (response == null) return null;
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if (response.statusCode != 200) {
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return null;
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} else {
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final _body = await compute(jsonDecode, response.body);
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final _result = _body['result'];
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final _field = field == null ? _result : _result[field];
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return _field;
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}
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}
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Future<String> rpcString(final String method, {final String field}) async {
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final _field = await rpc(method, field: field);
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return pretty(_field);
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}
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Future<http.Response> syncInfo() => rpc('sync_info');
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Future<String> syncInfoString() => rpcString('sync_info');
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Future<int> targetHeight() => rpc('sync_info', field: 'target_height').then(asInt);
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Future<int> height() => rpc('sync_info', field: 'height').then(asInt);
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Future<http.Response> getInfo() => rpc('get_info');
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Future<Map<String, dynamic>> getInfoSimple() async {
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final _getInfo = await rpc('get_info').then(asMap);
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return _getInfo.map
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(
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(k, v) {
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if (k == 'top_block_hash') {
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return MapEntry(k, v.substring(0, config.hashLength) + '...');
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} else {
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return MapEntry(k, v);
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}
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}
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);
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}
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Future<String> getInfoString() => rpcString('get_info');
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Future<bool> offline() => rpc('get_info', field: 'offline').then(asBool);
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Future<int> outgoingConnectionsCount() =>
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rpc('get_info', field: 'outgoing_connections_count').then(asInt);
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Future<int> incomingConnectionsCount() =>
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rpc('get_info', field: 'incoming_connections_count').then(asInt);
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Future<List<dynamic>> getConnectionsSimple() async {
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final _connections = await rpc('get_connections', field: 'connections').then(asJsonArray);
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const minActiveTime = 8;
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final _activeConnections = _connections.where((x) => x['live_time'] > minActiveTime);
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final _sortedConn = _activeConnections.toList()..sort
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(
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(x, y) {
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final int a = x['live_time'];
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final int b = y['live_time'];
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return a.compareTo(b);
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}
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);
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return _sortedConn.map(rpcPeerView).toList();
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}
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