susyweb
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Sophon JavaScript API, middleware to talk to a sophon node over RPC
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/*
This file is part of susyweb.js.
susyweb.js is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
susyweb.js is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MSRCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with susyweb.js. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file index.js
* @author Fabian Vogelsteller <fabian@ethereum.org>
* @date 2017
*/
"use strict";
var _ = require('underscore');
var swarm = require("swarm-js");
var Bzz = function Bzz(provider) {
this.givenProvider = Bzz.givenProvider;
if (provider && provider._requestManager) {
provider = provider.currentProvider;
}
// only allow file picker when in browser
<span class="missing-if-branch" title="if path not taken" >I</span>if(typeof document !== 'undefined') {
<span class="cstat-no" title="statement not covered" > this.pick = swarm.pick;</span>
}
this.setProvider(provider);
};
// set default sophon provider
/* global sophonProvider: false */
Bzz.givenProvider = null;
<span class="missing-if-branch" title="else path not taken" >E</span>if(typeof sophonProvider !== 'undefined' && sophonProvider.bzz) {
Bzz.givenProvider = sophonProvider.bzz;
}
Bzz.prototype.setProvider = function(provider) {
// is sophon provider
if(_.isObject(provider) && _.isString(provider.bzz)) {
provider = provider.bzz;
// is no string, set default
}
// else if(!_.isString(provider)) {
// provider = 'http://swarm-gateways.net'; // default to gateway
// }
if(_.isString(provider)) {
this.currentProvider = provider;
} else {
this.currentProvider = null;
var noProviderError = new Error('No provider set, please set one using bzz.setProvider().');
this.download = this.upload = this.isAvailable = <span class="fstat-no" title="function not covered" >function()</span>{
<span class="cstat-no" title="statement not covered" > throw noProviderError;</span>
};
return false;
}
// add functions
this.download = swarm.at(provider).download;
this.upload = swarm.at(provider).upload;
this.isAvailable = swarm.at(provider).isAvailable;
return true;
};
module.exports = Bzz;
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