forked from cerc-io/plugeth
71 lines
2.0 KiB
JavaScript
71 lines
2.0 KiB
JavaScript
/*
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This file is part of ethereum.js.
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ethereum.js is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser 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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ethereum.js 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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file httpsync.js
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* @authors:
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* Marek Kotewicz <marek@ethdev.com>
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* Marian Oancea <marian@ethdev.com>
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* @date 2014
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*/
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if (process.env.NODE_ENV !== 'build') {
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var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line
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}
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var HttpSyncProvider = function (host) {
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this.handlers = [];
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this.host = host || 'http://localhost:8080';
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};
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/// Transforms inner message to proper jsonrpc object
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/// @param inner message object
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/// @returns jsonrpc object
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function formatJsonRpcObject(object) {
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return {
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jsonrpc: '2.0',
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method: object.call,
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params: object.args,
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id: object._id
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};
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}
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/// Transforms jsonrpc object to inner message
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/// @param incoming jsonrpc message
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/// @returns inner message object
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function formatJsonRpcMessage(message) {
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var object = JSON.parse(message);
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return {
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_id: object.id,
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data: object.result,
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error: object.error
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};
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}
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HttpSyncProvider.prototype.send = function (payload) {
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var data = formatJsonRpcObject(payload);
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var request = new XMLHttpRequest();
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request.open('POST', this.host, false);
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request.send(JSON.stringify(data));
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// check request.status
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return request.responseText;
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};
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module.exports = HttpSyncProvider;
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