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cyberwow/cyberwow/lib/logic/interface/rpc/rpc.dart

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/*
Copyright 2019 fuwa
This file is part of CyberWOW.
CyberWOW is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
CyberWOW is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with CyberWOW. If not, see <https://www.gnu.org/licenses/>.
*/
import 'dart:async';
import 'dart:convert';
import 'package:http/http.dart' as http;
import 'package:flutter/foundation.dart';
import '../../../config.dart' as config;
import '../../../helper.dart';
import '../../../logging.dart';
Future<http.Response> rpcHTTP(final String method) async {
final url = 'http://${config.host}:${config.c.port}/json_rpc';
final body = json.encode
(
{
'jsonrpc': '2.0',
'method': method,
}
);
try {
final response = await http.post
( url,
body: body
);
return response;
}
catch (e) {
log.warning(e);
return null;
}
}
dynamic jsonDecode(final String responseBody) => json.decode(responseBody);
Future<dynamic> rpc(final String method, {final String field}) async {
final response = await rpcHTTP(method);
if (response == null) return null;
if (response.statusCode != 200) {
return null;
} else {
final _body = await compute(jsonDecode, response.body);
final _result = _body['result'];
if (_result == null) return null;
final _field = field == null ? _result : _result[field];
return _field;
}
}
Future<String> rpcString(final String method, {final String field}) async {
final _field = await rpc(method, field: field);
return pretty(_field);
}