From 80e686dec9d39d2a2564970b71ec950e5159c93a Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Wed, 3 Jan 2018 15:12:11 +0800
Subject: [PATCH] CallValidator.

---
 src/Validators/CallValidator.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Validators/CallValidator.php b/src/Validators/CallValidator.php
index 428ddb7..f7a83e4 100644
--- a/src/Validators/CallValidator.php
+++ b/src/Validators/CallValidator.php
@@ -29,10 +29,13 @@ class CallValidator
         if (!is_array($value)) {
             return false;
         }
-        if (isset($value['from']) && AddressValidator::validate($value['from']) === false && $value['from'] !== '') {
+        if (isset($value['from']) && AddressValidator::validate($value['from']) === false) {
             return false;
         }
-        if (isset($value['to']) && AddressValidator::validate($value['to']) === false && $value['to'] !== '') {
+        if (!isset($value['to'])) {
+            return false;
+        }
+        if (AddressValidator::validate($value['to']) === false) {
             return false;
         }
         if (isset($value['gas']) && QuantityValidator::validate($value['gas']) === false) {