mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-12-12 04:37:13 +01:00
925a19fa4a
This reverts commitf09ab88891
, reversing changes made toeffc761e0e
. This is being temporarily reverted to make it easier to release an urgent fix for v10.15.1.
145 lines
4.5 KiB
JavaScript
145 lines
4.5 KiB
JavaScript
// polyfills
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import '@formatjs/intl-relativetimeformat/polyfill';
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// dev only, "react-devtools" import is skipped in prod builds
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import 'react-devtools';
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import PortStream from 'extension-port-stream';
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import browser from 'webextension-polyfill';
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import Eth from 'ethjs';
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import EthQuery from 'eth-query';
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import StreamProvider from 'web3-stream-provider';
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import log from 'loglevel';
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import launchMetaMaskUi from '../../ui';
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import {
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ENVIRONMENT_TYPE_FULLSCREEN,
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ENVIRONMENT_TYPE_POPUP,
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} from '../../shared/constants/app';
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import ExtensionPlatform from './platforms/extension';
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import { setupMultiplex } from './lib/stream-utils';
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import { getEnvironmentType } from './lib/util';
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import metaRPCClientFactory from './lib/metaRPCClientFactory';
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start().catch(log.error);
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async function start() {
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// create platform global
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global.platform = new ExtensionPlatform();
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// identify window type (popup, notification)
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const windowType = getEnvironmentType();
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// setup stream to background
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const extensionPort = browser.runtime.connect({ name: windowType });
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const connectionStream = new PortStream(extensionPort);
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const activeTab = await queryCurrentActiveTab(windowType);
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initializeUiWithTab(activeTab);
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function displayCriticalError(container, err) {
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container.innerHTML =
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'<div class="critical-error">The MetaMask app failed to load: please open and close MetaMask again to restart.</div>';
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container.style.height = '80px';
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log.error(err.stack);
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throw err;
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}
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function initializeUiWithTab(tab) {
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const container = document.getElementById('app-content');
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initializeUi(tab, container, connectionStream, (err, store) => {
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if (err) {
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displayCriticalError(container, err);
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return;
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}
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const state = store.getState();
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const { metamask: { completedOnboarding } = {} } = state;
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if (!completedOnboarding && windowType !== ENVIRONMENT_TYPE_FULLSCREEN) {
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global.platform.openExtensionInBrowser();
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}
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});
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}
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}
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async function queryCurrentActiveTab(windowType) {
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return new Promise((resolve) => {
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// At the time of writing we only have the `activeTab` permission which means
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// that this query will only succeed in the popup context (i.e. after a "browserAction")
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if (windowType !== ENVIRONMENT_TYPE_POPUP) {
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resolve({});
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return;
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}
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browser.tabs.query({ active: true, currentWindow: true }).then((tabs) => {
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const [activeTab] = tabs;
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const { id, title, url } = activeTab;
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const { origin, protocol } = url ? new URL(url) : {};
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if (!origin || origin === 'null') {
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resolve({});
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return;
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}
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resolve({ id, title, origin, protocol, url });
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});
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});
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}
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function initializeUi(activeTab, container, connectionStream, cb) {
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connectToAccountManager(connectionStream, (err, backgroundConnection) => {
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if (err) {
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cb(err);
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return;
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}
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launchMetaMaskUi(
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{
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activeTab,
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container,
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backgroundConnection,
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},
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cb,
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);
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});
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}
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/**
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* Establishes a connection to the background and a Web3 provider
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*
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* @param {PortDuplexStream} connectionStream - PortStream instance establishing a background connection
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* @param {Function} cb - Called when controller connection is established
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*/
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function connectToAccountManager(connectionStream, cb) {
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const mx = setupMultiplex(connectionStream);
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setupControllerConnection(mx.createStream('controller'), cb);
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setupWeb3Connection(mx.createStream('provider'));
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}
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/**
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* Establishes a streamed connection to a Web3 provider
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*
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* @param {PortDuplexStream} connectionStream - PortStream instance establishing a background connection
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*/
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function setupWeb3Connection(connectionStream) {
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const providerStream = new StreamProvider();
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providerStream.pipe(connectionStream).pipe(providerStream);
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connectionStream.on('error', console.error.bind(console));
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providerStream.on('error', console.error.bind(console));
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global.ethereumProvider = providerStream;
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global.ethQuery = new EthQuery(providerStream);
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global.eth = new Eth(providerStream);
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}
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/**
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* Establishes a streamed connection to the background account manager
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*
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* @param {PortDuplexStream} connectionStream - PortStream instance establishing a background connection
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* @param {Function} cb - Called when the remote account manager connection is established
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*/
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function setupControllerConnection(connectionStream, cb) {
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const backgroundRPC = metaRPCClientFactory(connectionStream);
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cb(null, backgroundRPC);
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}
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