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, 9 insertions, 2 deletions

diff --git a/ui/app/components/transaction-view-balance/transaction-view-balance.container.js b/ui/app/components/transaction-view-balance/transaction-view-balance.container.js
index cb8078ec1..f9f05b0ae 100644
--- a/ui/app/components/transaction-view-balance/transaction-view-balance.container.js
+++ b/ui/app/components/transaction-view-balance/transaction-view-balance.container.js
@@ -2,12 +2,19 @@ import { connect } from 'react-redux'
 import { withRouter } from 'react-router-dom'
 import { compose } from 'recompose'
 import TransactionViewBalance from './transaction-view-balance.component'
-import { getSelectedToken, getSelectedAddress, getNativeCurrency, getSelectedTokenAssetImage } from '../../selectors'
+import {
+  getSelectedToken,
+  getSelectedAddress,
+  getNativeCurrency,
+  getSelectedTokenAssetImage,
+  getMetaMaskAccounts,
+} from '../../selectors'
 import { showModal } from '../../actions'
 
 const mapStateToProps = state => {
   const selectedAddress = getSelectedAddress(state)
-  const { metamask: { network, accounts } } = state
+  const { metamask: { network } } = state
+  const accounts = getMetaMaskAccounts(state)
   const account = accounts[selectedAddress]
   const { balance } = account