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Merge pull request #8 from debris/autoprovider

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Autoprovider
This commit is contained in:
Marian OANCΞA 2014-11-11 17:20:53 +02:00
commit d85cef557b
11 changed files with 660 additions and 520 deletions
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12
dist/ethereum.js vendored
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8
dist/ethereum.js.map vendored
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2
dist/ethereum.min.js vendored
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5
example/index.html
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@ -3,7 +3,7 @@
<head>
<script type="text/javascript" src="js/es6-promise/promise.min.js"></script>
<script type="text/javascript" src="../dist/ethereum.min.js"></script>
<script type="text/javascript" src="../dist/ethereum.js"></script>
<script type="text/javascript">
if (window.Promise === undefined) {
@ -13,8 +13,9 @@ if (window.Promise === undefined) {
var web3 = require('web3');
//web3.setProvider(new web3.providers.QtProvider());
web3.setProvider(new web3.providers.HttpRpcProvider("http://localhost:8080"));
//web3.setProvider(new web3.providers.HttpRpcProvider("http://localhost:8080"));
// web3.setProvider(new web3.providers.WebSocketProvider("ws://localhost:40404/eth"));
web3.setProvider(new web3.providers.AutoProvider());
function testSnippet() {
web3.eth.watch({altered: web3.eth.coinbase}).changed(function() {

31
gulpfile.js
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@ -25,8 +25,8 @@ var build = function(src, dst) {
detectGlobals: false,
bundleExternal: false
})
.add('./')
.require('./' + src + '.js', {expose: 'web3'})
.add('./' + src + '.js')
.transform('envify', {
NODE_ENV: 'build'
})
@ -50,6 +50,25 @@ var build = function(src, dst) {
.pipe(gulp.dest( DEST ));
};
var buildDev = function(src, dst) {
return browserify({
debug: true,
insert_global_vars: false,
detectGlobals: false,
bundleExternal: false
})
.require('./' + src + '.js', {expose: 'web3'})
.add('./' + src + '.js')
.transform('envify', {
NODE_ENV: 'build'
})
.transform('unreachable-branch-transform')
.bundle()
.pipe(exorcist(path.join( DEST, dst + '.js.map')))
.pipe(source(dst + '.js'))
.pipe(gulp.dest( DEST ));
};
var uglifyFile = function(file) {
return gulp.src( DEST + file + '.js')
.pipe(uglify())
@ -79,7 +98,11 @@ gulp.task('build', ['clean'], function () {
});
gulp.task('buildQt', ['clean'], function () {
return build('index_qt', 'ethereum_qt');
return build('index_qt', 'ethereum');
});
gulp.task('buildDev', ['clean'], function () {
return buildDev('index', 'ethereum');
});
gulp.task('uglify', ['build'], function(){
@ -87,7 +110,7 @@ gulp.task('uglify', ['build'], function(){
});
gulp.task('uglifyQt', ['buildQt'], function () {
return uglifyFile('ethereum_qt');
return uglifyFile('ethereum');
});
gulp.task('watch', function() {
@ -96,3 +119,5 @@ gulp.task('watch', function() {
gulp.task('default', ['bower', 'lint', 'build', 'uglify']);
gulp.task('qt', ['bower', 'lint', 'buildQt', 'uglifyQt']);
gulp.task('dev', ['bower', 'lint', 'buildDev']);

1
index.js
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@ -2,5 +2,6 @@ var web3 = require('./lib/main');
web3.providers.WebSocketProvider = require('./lib/websocket');
web3.providers.HttpRpcProvider = require('./lib/httprpc');
web3.providers.QtProvider = require('./lib/qt');
web3.providers.AutoProvider = require('./lib/autoprovider');
module.exports = web3;

103
lib/autoprovider.js Normal file
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@ -0,0 +1,103 @@
/*
This file is part of ethereum.js.
ethereum.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.
ethereum.js 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file websocket.js
* @authors:
* Marek Kotewicz <marek@ethdev.com>
* Marian Oancea <marian@ethdev.com>
* @date 2014
*/
/*
* @brief if qt object is available, uses QtProvider,
* if not tries to connect over websockets
* if it fails, it uses HttpRpcProvider
*/
if (process.env.NODE_ENV !== 'build') {
var WebSocket = require('ws'); // jshint ignore:line
}
if (process.env.NODE_ENV !== 'build') {
var web3 = require('./web3'); // jshint ignore:line
}
var AutoProvider = function (userOptions) {
if (web3.haveProvider()) {
return;
}
// before we determine what provider we are, we have to cache request
this.sendQueue = [];
this.onmessageQueue = [];
if (navigator.qt) {
this.provider = new web3.providers.QtProvider();
return;
}
userOptions = userOptions || {};
var options = {
httprpc: userOptions.httprpc || 'http://localhost:8080',
websockets: userOptions.websockets || 'ws://localhost:40404/eth'
};
var self = this;
var closeWithSuccess = function (success) {
ws.close();
if (success) {
self.provider = new web3.providers.WebSocketProvider(options.websockets);
return;
}
self.provider = new web3.providers.HttpRpcProvider(options.httprpc);
self.poll = self.provider.poll.bind(self.provider);
self.sendQueue.forEach(function (payload) {
self.provider(payload);
});
self.onmessageQueue.forEach(function (handler) {
self.provider.onmessage = handler;
});
};
var ws = new WebSocket(options.websockets);
ws.onopen = function() {
closeWithSuccess(true);
};
ws.onerror = function() {
closeWithSuccess(false);
};
};
AutoProvider.prototype.send = function (payload) {
if (this.provider) {
this.provider.send(payload);
return;
}
this.sendQueue.push(payload);
};
Object.defineProperty(AutoProvider.prototype, 'onmessage', {
set: function (handler) {
if (this.provider) {
this.provider.onmessage = handler;
return;
}
this.onmessageQueue.push(handler);
}
});
module.exports = AutoProvider;

1
lib/httprpc.js
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@ -25,7 +25,6 @@ if(process.env.NODE_ENV !== "build") {
var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line
}
var HttpRpcProvider = function (host) {
this.handlers = [];
this.host = host;

4
lib/main.js
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@ -387,6 +387,10 @@
web3.provider.sendQueued();
};
web3.haveProvider = function() {
return !!web3.provider.provider;
};
var Filter = function(options, impl) {
this.impl = impl;
this.callbacks = [];

1
lib/qt.js
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@ -16,6 +16,7 @@
*/
/** @file qt.js
* @authors:
* Jeffrey Wilcke <jeff@ethdev.com>
* Marek Kotewicz <marek@ethdev.com>
* @date 2014
*/

2
lib/websocket.js
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@ -16,6 +16,7 @@
*/
/** @file websocket.js
* @authors:
* Jeffrey Wilcke <jeff@ethdev.com>
* Marek Kotewicz <marek@ethdev.com>
* Marian Oancea <marian@ethdev.com>
* @date 2014
@ -50,6 +51,7 @@ if(process.env.NODE_ENV !== "build") {
}
};
};
WebSocketProvider.prototype.send = function(payload) {
if(this.ready) {
var data = JSON.stringify(payload);