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metamask-extension/app/scripts/ui.js
Mark Stacey 925a19fa4a Revert "Merge pull request #14912 from MetaMask/Version-v10.16.0"
This reverts commit f09ab88891, reversing
changes made to effc761e0e.

This is being temporarily reverted to make it easier to release an
urgent fix for v10.15.1.
2022-06-28 10:41:47 -02:30

145 lines
4.5 KiB
JavaScript

// polyfills
import '@formatjs/intl-relativetimeformat/polyfill';
// dev only, "react-devtools" import is skipped in prod builds
import 'react-devtools';
import PortStream from 'extension-port-stream';
import browser from 'webextension-polyfill';
import Eth from 'ethjs';
import EthQuery from 'eth-query';
import StreamProvider from 'web3-stream-provider';
import log from 'loglevel';
import launchMetaMaskUi from '../../ui';
import {
ENVIRONMENT_TYPE_FULLSCREEN,
ENVIRONMENT_TYPE_POPUP,
} from '../../shared/constants/app';
import ExtensionPlatform from './platforms/extension';
import { setupMultiplex } from './lib/stream-utils';
import { getEnvironmentType } from './lib/util';
import metaRPCClientFactory from './lib/metaRPCClientFactory';
start().catch(log.error);
async function start() {
// create platform global
global.platform = new ExtensionPlatform();
// identify window type (popup, notification)
const windowType = getEnvironmentType();
// setup stream to background
const extensionPort = browser.runtime.connect({ name: windowType });
const connectionStream = new PortStream(extensionPort);
const activeTab = await queryCurrentActiveTab(windowType);
initializeUiWithTab(activeTab);
function displayCriticalError(container, err) {
container.innerHTML =
'<div class="critical-error">The MetaMask app failed to load: please open and close MetaMask again to restart.</div>';
container.style.height = '80px';
log.error(err.stack);
throw err;
}
function initializeUiWithTab(tab) {
const container = document.getElementById('app-content');
initializeUi(tab, container, connectionStream, (err, store) => {
if (err) {
displayCriticalError(container, err);
return;
}
const state = store.getState();
const { metamask: { completedOnboarding } = {} } = state;
if (!completedOnboarding && windowType !== ENVIRONMENT_TYPE_FULLSCREEN) {
global.platform.openExtensionInBrowser();
}
});
}
}
async function queryCurrentActiveTab(windowType) {
return new Promise((resolve) => {
// At the time of writing we only have the `activeTab` permission which means
// that this query will only succeed in the popup context (i.e. after a "browserAction")
if (windowType !== ENVIRONMENT_TYPE_POPUP) {
resolve({});
return;
}
browser.tabs.query({ active: true, currentWindow: true }).then((tabs) => {
const [activeTab] = tabs;
const { id, title, url } = activeTab;
const { origin, protocol } = url ? new URL(url) : {};
if (!origin || origin === 'null') {
resolve({});
return;
}
resolve({ id, title, origin, protocol, url });
});
});
}
function initializeUi(activeTab, container, connectionStream, cb) {
connectToAccountManager(connectionStream, (err, backgroundConnection) => {
if (err) {
cb(err);
return;
}
launchMetaMaskUi(
{
activeTab,
container,
backgroundConnection,
},
cb,
);
});
}
/**
* Establishes a connection to the background and a Web3 provider
*
* @param {PortDuplexStream} connectionStream - PortStream instance establishing a background connection
* @param {Function} cb - Called when controller connection is established
*/
function connectToAccountManager(connectionStream, cb) {
const mx = setupMultiplex(connectionStream);
setupControllerConnection(mx.createStream('controller'), cb);
setupWeb3Connection(mx.createStream('provider'));
}
/**
* Establishes a streamed connection to a Web3 provider
*
* @param {PortDuplexStream} connectionStream - PortStream instance establishing a background connection
*/
function setupWeb3Connection(connectionStream) {
const providerStream = new StreamProvider();
providerStream.pipe(connectionStream).pipe(providerStream);
connectionStream.on('error', console.error.bind(console));
providerStream.on('error', console.error.bind(console));
global.ethereumProvider = providerStream;
global.ethQuery = new EthQuery(providerStream);
global.eth = new Eth(providerStream);
}
/**
* Establishes a streamed connection to the background account manager
*
* @param {PortDuplexStream} connectionStream - PortStream instance establishing a background connection
* @param {Function} cb - Called when the remote account manager connection is established
*/
function setupControllerConnection(connectionStream, cb) {
const backgroundRPC = metaRPCClientFactory(connectionStream);
cb(null, backgroundRPC);
}