Merge branch 'master' into i#1203MainNetSwitch

1 files changed, 155 insertions, 0 deletions

diff --git a/mascara/src/background.js b/mascara/src/background.js
new file mode 100644
index 000000000..d9dbf593a
--- /dev/null
+++ b/mascara/src/background.js
@@ -0,0 +1,155 @@
+global.window = global
+const self = global
+const pipe = require('pump')
+
+const SwGlobalListener = require('sw-stream/lib/sw-global-listener.js')
+const connectionListener = new SwGlobalListener(self)
+const setupMultiplex = require('../../app/scripts/lib/stream-utils.js').setupMultiplex
+const PortStream = require('../../app/scripts/lib/port-stream.js')
+
+const DbController = require('idb-global')
+
+const SwPlatform = require('../../app/scripts/platforms/sw')
+const MetamaskController = require('../../app/scripts/metamask-controller')
+const extension = {} //require('../../app/scripts/lib/extension')
+
+const storeTransform = require('obs-store/lib/transform')
+const Migrator = require('../../app/scripts/lib/migrator/')
+const migrations = require('../../app/scripts/migrations/')
+const firstTimeState = require('../../app/scripts/first-time-state')
+
+const STORAGE_KEY = 'metamask-config'
+// const METAMASK_DEBUG = 'GULP_METAMASK_DEBUG'
+const METAMASK_DEBUG = true
+let popupIsOpen = false
+let connectedClientCount = 0
+
+const log = require('loglevel')
+global.log = log
+log.setDefaultLevel(METAMASK_DEBUG ? 'debug' : 'warn')
+
+self.addEventListener('install', function(event) {
+  event.waitUntil(self.skipWaiting())
+})
+self.addEventListener('activate', function(event) {
+  event.waitUntil(self.clients.claim())
+})
+
+console.log('inside:open')
+
+
+// // state persistence
+let diskStore
+const dbController = new DbController({
+  key: STORAGE_KEY,
+})
+loadStateFromPersistence()
+.then((initState) => setupController(initState))
+.then(() => console.log('MetaMask initialization complete.'))
+.catch((err) => console.error('WHILE SETTING UP:', err))
+
+// initialization flow
+
+//
+// State and Persistence
+//
+function loadStateFromPersistence() {
+  // migrations
+  let migrator = new Migrator({ migrations })
+  const initialState = migrator.generateInitialState(firstTimeState)
+  dbController.initialState = initialState
+  return dbController.open()
+  .then((versionedData) => migrator.migrateData(versionedData))
+  .then((versionedData) => {
+    dbController.put(versionedData)
+    return Promise.resolve(versionedData)
+  })
+  .then((versionedData) => Promise.resolve(versionedData.data))
+}
+
+function setupController (initState, client) {
+
+  //
+  // MetaMask Controller
+  //
+
+  const platform = new SwPlatform()
+
+  const controller = new MetamaskController({
+    // platform specific implementation
+    platform,
+    // User confirmation callbacks:
+    showUnconfirmedMessage: noop,
+    unlockAccountMessage: noop,
+    showUnapprovedTx: noop,
+    // initial state
+    initState,
+  })
+  global.metamaskController = controller
+
+  controller.store.subscribe((state) => {
+    versionifyData(state)
+    .then((versionedData) => dbController.put(versionedData))
+    .catch((err) => {console.error(err)})
+  })
+  function versionifyData(state) {
+    return dbController.get()
+    .then((rawData) => {
+      return Promise.resolve({
+        data: state,
+        meta: rawData.meta,
+      })}
+    )
+  }
+
+  //
+  // connect to other contexts
+  //
+
+  connectionListener.on('remote', (portStream, messageEvent) => {
+    console.log('REMOTE CONECTION FOUND***********')
+    connectedClientCount += 1
+    connectRemote(portStream, messageEvent.data.context)
+  })
+
+  function connectRemote (connectionStream, context) {
+    var isMetaMaskInternalProcess = (context === 'popup')
+    if (isMetaMaskInternalProcess) {
+      // communication with popup
+      controller.setupTrustedCommunication(connectionStream, 'MetaMask')
+      popupIsOpen = true
+    } else {
+      // communication with page
+      setupUntrustedCommunication(connectionStream, context)
+    }
+  }
+
+  function setupUntrustedCommunication (connectionStream, originDomain) {
+    // setup multiplexing
+    var mx = setupMultiplex(connectionStream)
+    // connect features
+    controller.setupProviderConnection(mx.createStream('provider'), originDomain)
+    controller.setupPublicConfig(mx.createStream('publicConfig'))
+  }
+
+  function setupTrustedCommunication (connectionStream, originDomain) {
+    // setup multiplexing
+    var mx = setupMultiplex(connectionStream)
+    // connect features
+    controller.setupProviderConnection(mx.createStream('provider'), originDomain)
+  }
+  //
+  // User Interface setup
+  //
+  return Promise.resolve()
+
+}
+
+function sendMessageToAllClients (message) {
+  self.clients.matchAll().then(function(clients) {
+    clients.forEach(function(client) {
+      client.postMessage(message)
+    })
+  })
+}
+function noop () {}