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const url = require('url')
const EventEmitter = require('events').EventEmitter
const async = require('async')
const Dnode = require('dnode')
const MetaMaskUi = require('metamask-ui')
const MetaMaskUiCss = require('metamask-ui/css')
const injectCss = require('inject-css')
const PortStream = require('./lib/port-stream.js')
// setup app
var css = MetaMaskUiCss()
injectCss(css)
async.parallel({
currentDomain: getCurrentDomain,
accountManager: connectToAccountManager,
}, setupApp)
function connectToAccountManager(cb){
// setup communication with background
var pluginPort = chrome.runtime.connect({name: 'popup'})
var duplex = new PortStream(pluginPort)
var eventEmitter = new EventEmitter()
var background = Dnode({
// setUnconfirmedTxs: setUnconfirmedTxs,
sendUpdate: function(state){
eventEmitter.emit('update', state)
},
})
duplex.pipe(background).pipe(duplex)
background.once('remote', function(accountManager){
// setup push events
accountManager.on = eventEmitter.on.bind(eventEmitter)
cb(null, accountManager)
})
}
function getCurrentDomain(cb){
chrome.tabs.query({active: true, currentWindow: true}, function(results){
var activeTab = results[0]
var currentUrl = activeTab && activeTab.url
var currentDomain = url.parse(currentUrl).host
if (!currentUrl) {
return cb(null, '<unknown>')
}
cb(null, currentDomain)
})
}
function setupApp(err, opts){
if (err) {
alert(err.stack)
throw err
return
}
var container = document.getElementById('app-content')
var app = MetaMaskUi({
container: container,
accountManager: opts.accountManager,
currentDomain: opts.currentDomain,
})
}
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