deps - obs-store@3 + migrate stream plumbing

app/scripts/background.js

@@ -1,10 +1,11 @@
 const urlUtil = require('url')
 const endOfStream = require('end-of-stream')
-const pipe = require('pump')
+const pump = require('pump')
 const log = require('loglevel')
 const extension = require('extensionizer')
 const LocalStorageStore = require('obs-store/lib/localStorage')
 const storeTransform = require('obs-store/lib/transform')
+const asStream = require('obs-store/lib/asStream')
 const ExtensionPlatform = require('./platforms/extension')
 const Migrator = require('./lib/migrator/')
 const migrations = require('./migrations/')
@@ -72,10 +73,10 @@ function setupController (initState) {
   global.metamaskController = controller
 
   // setup state persistence
-  pipe(
-    controller.store,
+  pump(
+    asStream(controller.store),
     storeTransform(versionifyData),
-    diskStore
+    asStream(diskStore)
   )
 
   function versionifyData (state) {

app/scripts/lib/inpage-provider.js

@@ -3,6 +3,7 @@ const RpcEngine = require('json-rpc-engine')
 const createIdRemapMiddleware = require('json-rpc-engine/src/idRemapMiddleware')
 const createStreamMiddleware = require('json-rpc-middleware-stream')
 const LocalStorageStore = require('obs-store')
+const asStream = require('obs-store/lib/asStream')
 const ObjectMultiplex = require('obj-multiplex')
 
 module.exports = MetamaskInpageProvider
@@ -21,9 +22,10 @@ function MetamaskInpageProvider (connectionStream) {
 
   // subscribe to metamask public config (one-way)
   self.publicConfigStore = new LocalStorageStore({ storageKey: 'MetaMask-Config' })
+
   pump(
     mux.createStream('publicConfig'),
-    self.publicConfigStore,
+    asStream(self.publicConfigStore),
     (err) => logStreamDisconnectWarning('MetaMask PublicConfigStore', err)
   )
 

app/scripts/metamask-controller.js

@@ -3,6 +3,7 @@ const extend = require('xtend')
 const pump = require('pump')
 const Dnode = require('dnode')
 const ObservableStore = require('obs-store')
+const asStream = require('obs-store/lib/asStream')
 const AccountTracker = require('./lib/account-tracker')
 const EthQuery = require('eth-query')
 const RpcEngine = require('json-rpc-engine')
@@ -456,7 +457,7 @@ module.exports = class MetamaskController extends EventEmitter {
 
   setupPublicConfig (outStream) {
     pump(
-      this.publicConfigStore,
+      asStream(this.publicConfigStore),
       outStream,
       (err) => {
         if (err) log.error(err)

package.json

@@ -115,7 +115,7 @@
     "multiplex": "^6.7.0",
     "number-to-bn": "^1.7.0",
     "obj-multiplex": "^1.0.0",
-    "obs-store": "^2.3.1",
+    "obs-store": "^3.0.0",
     "once": "^1.3.3",
     "ping-pong-stream": "^1.0.0",
     "pojo-migrator": "^2.1.0",