Save recent network balances in local storage (#5843)

* Use selector for state.metamask.accounts in all cases.

* Default to cached balance when selecting metamask accounts

* Adds the cached-balances controller

* Documentation and small codes fixes for #5843

Co-Authored-By: danjm <danjm.com@gmail.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/ui/app/app.js b/ui/app/app.js
index b3aff1f39..5405f8495 100644
--- a/ui/app/app.js
+++ b/ui/app/app.js
@@ -7,6 +7,7 @@ const h = require('react-hyperscript')
 const actions = require('./actions')
 const classnames = require('classnames')
 const log = require('loglevel')
+const { getMetaMaskAccounts } = require('./selectors')
 
 // init
 const InitializeScreen = require('../../mascara/src/app/first-time').default
@@ -275,9 +276,10 @@ function mapStateToProps (state) {
     loadingMessage,
   } = appState
 
+  const accounts = getMetaMaskAccounts(state)
+
   const {
     identities,
-    accounts,
     address,
     keyrings,
     isInitialized,