patched_solc.js

/*
* Code based on https://github.com/ethereum/solc-js/wrapper.js
* Original license included:
*
* The MIT License (MIT)
*
* Copyright (c) 2016 
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

var requireFromString = require('require-from-string');
var https = require('https');
var MemoryStream = require('memorystream');

var solc = require('solc');

solc.loadRemoteVersion = function (versionString, cb) {
  var mem = new MemoryStream(null, {readable: false});
  var url = 'https://ethereum.github.io/solc-bin/bin/soljson-' + versionString + '.js';
  https.get(url, function (response) {
    if (response.statusCode !== 200) {
      cb('Error retrieving binary: ' + response.statusMessage);
    } else {
      response.pipe(mem);
      response.on('end', function () {
        var solcContent = mem.toString();
        cb(null, solc.setupMethods(requireFromString(solcContent)), solcContent);
      });
    }
  }).on('error', function (error) {
    cb(error);
  });
};

solc.loadVersionFromFilePath = function (filePath) {
  return solc.setupMethods(require(filePath));
};

module.exports = solc;