tx controller - tx state history various small fixes

3 files changed, 2 insertions, 3 deletions

diff --git a/app/scripts/controllers/transactions.js b/app/scripts/controllers/transactions.js
index 872d11b50..1bcee60ab 100644
--- a/app/scripts/controllers/transactions.js
+++ b/app/scripts/controllers/transactions.js
@@ -1,6 +1,5 @@
 const EventEmitter = require('events')
 const extend = require('xtend')
-const clone = require('clone')
 const ObservableStore = require('obs-store')
 const ethUtil = require('ethereumjs-util')
 const EthQuery = require('ethjs-query')
diff --git a/app/scripts/lib/tx-state-history-helper.js b/app/scripts/lib/tx-state-history-helper.js
index 87b9a1d63..304069d57 100644
--- a/app/scripts/lib/tx-state-history-helper.js
+++ b/app/scripts/lib/tx-state-history-helper.js
@@ -15,7 +15,7 @@ function migrateFromSnapshotsToDiffs(longHistory) {
     // convert non-initial history entries into diffs
     .map((entry, index) => {
       if (index === 0) return entry
-      return generateHistoryEntry(longHistory[index-1], entry)
+      return generateHistoryEntry(longHistory[index - 1], entry)
     })
   )
 }
diff --git a/app/scripts/migrations/018.js b/app/scripts/migrations/018.js
index c8d2332ab..41e7de391 100644
--- a/app/scripts/migrations/018.js
+++ b/app/scripts/migrations/018.js
@@ -32,7 +32,7 @@ function transformState (state) {
   const transactions = newState.TransactionController.transactions
   newState.TransactionController.transactions = transactions.map((txMeta) => {
     // no history: initialize
-    if (!txMeta.history || tx.history.length === 0) {
+    if (!txMeta.history || txMeta.history.length === 0) {
       const snapshot = txStateHistoryHelper.snapshotFromTxMeta(txMeta)
       txMeta.history = [snapshot]
       return txMeta