mirror of
https://github.com/kremalicious/metamask-extension.git
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c011c0406b
* add @metamask/inpage-provider * fix failing e2e tests Co-authored-by: Mark Stacey <markjstacey@gmail.com>
86 lines
2.0 KiB
JavaScript
86 lines
2.0 KiB
JavaScript
/*global Web3*/
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// need to make sure we aren't affected by overlapping namespaces
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// and that we dont affect the app with our namespace
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// mostly a fix for web3's BigNumber if AMD's "define" is defined...
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let __define
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/**
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* Caches reference to global define object and deletes it to
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* avoid conflicts with other global define objects, such as
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* AMD's define function
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*/
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const cleanContextForImports = () => {
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__define = global.define
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try {
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global.define = undefined
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} catch (_) {
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console.warn('MetaMask - global.define could not be deleted.')
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}
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}
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/**
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* Restores global define object from cached reference
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*/
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const restoreContextAfterImports = () => {
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try {
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global.define = __define
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} catch (_) {
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console.warn('MetaMask - global.define could not be overwritten.')
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}
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}
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cleanContextForImports()
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import log from 'loglevel'
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import LocalMessageDuplexStream from 'post-message-stream'
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import { initProvider } from '@metamask/inpage-provider'
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// TODO:deprecate:2020
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import 'web3/dist/web3.min.js'
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import setupDappAutoReload from './lib/auto-reload.js'
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restoreContextAfterImports()
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log.setDefaultLevel(process.env.METAMASK_DEBUG ? 'debug' : 'warn')
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//
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// setup plugin communication
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//
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// setup background connection
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const metamaskStream = new LocalMessageDuplexStream({
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name: 'inpage',
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target: 'contentscript',
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})
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initProvider({
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connectionStream: metamaskStream,
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})
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//
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// TODO:deprecate:2020
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//
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// setup web3
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if (typeof window.web3 !== 'undefined') {
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throw new Error(`MetaMask detected another web3.
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MetaMask will not work reliably with another web3 extension.
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This usually happens if you have two MetaMasks installed,
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or MetaMask and another web3 extension. Please remove one
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and try again.`)
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}
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const web3 = new Web3(window.ethereum)
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web3.setProvider = function () {
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log.debug('MetaMask - overrode web3.setProvider')
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}
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log.debug('MetaMask - injected web3')
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window.ethereum._web3Ref = web3.eth
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// setup dapp auto reload AND proxy web3
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setupDappAutoReload(web3, window.ethereum._publicConfigStore)
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