From e8a480aac44546e6bd5d7457545bc951a8787814 Mon Sep 17 00:00:00 2001
From: frankiebee <frankie.diamond@gmail.com>
Date: Mon, 2 Apr 2018 13:17:54 -0700
Subject: transactions validationt - valdate from field on txParams

---
 app/scripts/lib/tx-gas-utils.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'app/scripts/lib')

diff --git a/app/scripts/lib/tx-gas-utils.js b/app/scripts/lib/tx-gas-utils.js
index 0fa9dd8d4..4be7738b0 100644
--- a/app/scripts/lib/tx-gas-utils.js
+++ b/app/scripts/lib/tx-gas-utils.js
@@ -100,6 +100,7 @@ module.exports = class TxGasUtil {
   }
 
   async validateTxParams (txParams) {
+    this.validateFrom(txParams)
     this.validateRecipient(txParams)
     if ('value' in txParams) {
       const value = txParams.value.toString()
@@ -112,6 +113,12 @@ module.exports = class TxGasUtil {
       }
     }
   }
+
+  validateFrom (txParams) {
+    if ( !(typeof txParams.from === 'string') ) throw new Error(`Invalid from address ${txParams.from} not a string`)
+    if (!isValidAddress(txParams.from)) throw new Error('Invalid from address')
+  }
+
   validateRecipient (txParams) {
     if (txParams.to === '0x' || txParams.to === null ) {
       if (txParams.data) {
@@ -124,4 +131,4 @@ module.exports = class TxGasUtil {
     }
     return txParams
   }
-}
+}
\ No newline at end of file
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