From 5cf5359e788d7c93495da2ace5c9f81648b67fea Mon Sep 17 00:00:00 2001
From: frankiebee <frankie.diamond@gmail.com>
Date: Wed, 19 Jun 2019 14:08:54 +0200
Subject: [PATCH] transactions - always hexprefix txParams on update; fixes
 #6724

---
 app/scripts/controllers/transactions/lib/util.js         | 8 ++++----
 app/scripts/controllers/transactions/tx-state-manager.js | 6 ++----
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/app/scripts/controllers/transactions/lib/util.js b/app/scripts/controllers/transactions/lib/util.js
index 84f7592a0..5a8a0cefe 100644
--- a/app/scripts/controllers/transactions/lib/util.js
+++ b/app/scripts/controllers/transactions/lib/util.js
@@ -17,8 +17,8 @@ module.exports = {
 
 // functions that handle normalizing of that key in txParams
 const normalizers = {
-  from: from => addHexPrefix(from).toLowerCase(),
-  to: to => addHexPrefix(to).toLowerCase(),
+  from: (from, LowerCase = true) => LowerCase ? addHexPrefix(from).toLowerCase() : addHexPrefix(from),
+  to: (to, LowerCase = true) => LowerCase ? addHexPrefix(to).toLowerCase() : addHexPrefix(to),
   nonce: nonce => addHexPrefix(nonce),
   value: value => addHexPrefix(value),
   data: data => addHexPrefix(data),
@@ -31,11 +31,11 @@ const normalizers = {
   @param txParams {object}
   @returns {object} normalized txParams
  */
-function normalizeTxParams (txParams) {
+function normalizeTxParams (txParams, LowerCase) {
   // apply only keys in the normalizers
   const normalizedTxParams = {}
   for (const key in normalizers) {
-    if (txParams[key]) normalizedTxParams[key] = normalizers[key](txParams[key])
+    if (txParams[key]) normalizedTxParams[key] = normalizers[key](txParams[key], LowerCase)
   }
   return normalizedTxParams
 }
diff --git a/app/scripts/controllers/transactions/tx-state-manager.js b/app/scripts/controllers/transactions/tx-state-manager.js
index 1a2cb5dee..9504f43a5 100644
--- a/app/scripts/controllers/transactions/tx-state-manager.js
+++ b/app/scripts/controllers/transactions/tx-state-manager.js
@@ -1,11 +1,10 @@
 const extend = require('xtend')
 const EventEmitter = require('safe-event-emitter')
 const ObservableStore = require('obs-store')
-const ethUtil = require('ethereumjs-util')
 const log = require('loglevel')
 const txStateHistoryHelper = require('./lib/tx-state-history-helper')
 const createId = require('../../lib/random-id')
-const { getFinalStates } = require('./lib/util')
+const { getFinalStates, normalizeTxParams } = require('./lib/util')
 /**
   TransactionStateManager is responsible for the state of a transaction and
   storing the transaction
@@ -180,7 +179,7 @@ class TransactionStateManager extends EventEmitter {
       if (typeof txMeta.txParams.data === 'undefined') {
         delete txMeta.txParams.data
       }
-
+      txMeta.txParams = normalizeTxParams(txMeta.txParams, false)
       this.validateTxParams(txMeta.txParams)
     }
 
@@ -227,7 +226,6 @@ class TransactionStateManager extends EventEmitter {
           break
         default:
           if (typeof value !== 'string') throw new Error(`${key} in txParams is not a string. got: (${value})`)
-          if (!ethUtil.isHexPrefixed(value)) throw new Error(`${key} in txParams is not hex prefixed. got: (${value})`)
           break
       }
     })