mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-11-27 04:46:10 +01:00
73 lines
1.8 KiB
JavaScript
73 lines
1.8 KiB
JavaScript
// need to make sure we aren't affected by overlapping namespaces
|
|
// and that we dont affect the app with our namespace
|
|
// mostly a fix for web3's BigNumber if AMD's "define" is defined...
|
|
let __define
|
|
|
|
/**
|
|
* Caches reference to global define object and deletes it to
|
|
* avoid conflicts with other global define objects, such as
|
|
* AMD's define function
|
|
*/
|
|
const cleanContextForImports = () => {
|
|
__define = global.define
|
|
try {
|
|
global.define = undefined
|
|
} catch (_) {
|
|
console.warn('MetaMask - global.define could not be deleted.')
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Restores global define object from cached reference
|
|
*/
|
|
const restoreContextAfterImports = () => {
|
|
try {
|
|
global.define = __define
|
|
} catch (_) {
|
|
console.warn('MetaMask - global.define could not be overwritten.')
|
|
}
|
|
}
|
|
|
|
cleanContextForImports()
|
|
|
|
/* eslint-disable import/first */
|
|
import log from 'loglevel'
|
|
import LocalMessageDuplexStream from 'post-message-stream'
|
|
import { initProvider } from '@metamask/inpage-provider'
|
|
|
|
// TODO:deprecate:2020
|
|
import setupWeb3 from './lib/setupWeb3'
|
|
/* eslint-enable import/first */
|
|
|
|
restoreContextAfterImports()
|
|
|
|
log.setDefaultLevel(process.env.METAMASK_DEBUG ? 'debug' : 'warn')
|
|
|
|
//
|
|
// setup plugin communication
|
|
//
|
|
|
|
// setup background connection
|
|
const metamaskStream = new LocalMessageDuplexStream({
|
|
name: 'inpage',
|
|
target: 'contentscript',
|
|
})
|
|
|
|
initProvider({
|
|
connectionStream: metamaskStream,
|
|
})
|
|
|
|
// TODO:deprecate:2020
|
|
// Setup web3
|
|
|
|
if (typeof window.web3 !== 'undefined') {
|
|
throw new Error(`MetaMask detected another web3.
|
|
MetaMask will not work reliably with another web3 extension.
|
|
This usually happens if you have two MetaMasks installed,
|
|
or MetaMask and another web3 extension. Please remove one
|
|
and try again.`)
|
|
}
|
|
|
|
// proxy web3, assign to window, and set up site auto reload
|
|
setupWeb3(log)
|