From 0f59ac92235b9abb60ba38e72ad98bcb006ef3f8 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Wed, 3 Jan 2018 14:51:30 +0800
Subject: [PATCH] CallValidator.

---
 src/Eth.php                      |  3 +-
 src/Validators/CallValidator.php | 55 ++++++++++++++++++++++++++++++++
 test/unit/EthApiTest.php         |  2 +-
 3 files changed, 58 insertions(+), 2 deletions(-)
 create mode 100644 src/Validators/CallValidator.php

diff --git a/src/Eth.php b/src/Eth.php
index b053d5b..e97fad7 100644
--- a/src/Eth.php
+++ b/src/Eth.php
@@ -25,6 +25,7 @@ use Web3\Validators\BooleanValidator;
 use Web3\Validators\StringValidator;
 use Web3\Validators\FilterValidator;
 use Web3\Validators\NonceValidator;
+use Web3\Validators\CallValidator;
 
 class Eth
 {
@@ -159,7 +160,7 @@ class Eth
         'eth_call' => [
             'params' => [
                 [
-                    'validators' => TransactionValidator::class
+                    'validators' => CallValidator::class
                 ], [
                     'default' => 'latest',
                     'validators' => [
diff --git a/src/Validators/CallValidator.php b/src/Validators/CallValidator.php
new file mode 100644
index 0000000..428ddb7
--- /dev/null
+++ b/src/Validators/CallValidator.php
@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * This file is part of web3.php package.
+ * 
+ * (c) Kuan-Cheng,Lai <alk03073135@gmail.com>
+ * 
+ * @author Peter Lai <alk03073135@gmail.com>
+ * @license MIT
+ */
+
+namespace Web3\Validators;
+
+use Web3\Validators\IValidator;
+use Web3\Validators\QuantityValidator;
+use Web3\Validators\TagValidator;
+use Web3\Validators\HexValidator;
+
+class CallValidator
+{
+    /**
+     * validate
+     *
+     * @param array $value
+     * @return bool
+     */
+    public static function validate($value)
+    {
+        if (!is_array($value)) {
+            return false;
+        }
+        if (isset($value['from']) && AddressValidator::validate($value['from']) === false && $value['from'] !== '') {
+            return false;
+        }
+        if (isset($value['to']) && AddressValidator::validate($value['to']) === false && $value['to'] !== '') {
+            return false;
+        }
+        if (isset($value['gas']) && QuantityValidator::validate($value['gas']) === false) {
+            return false;
+        }
+        if (isset($value['gasPrice']) && QuantityValidator::validate($value['gasPrice']) === false) {
+            return false;
+        }
+        if (isset($value['value']) && QuantityValidator::validate($value['value']) === false) {
+            return false;
+        }
+        if (isset($value['data']) && HexValidator::validate($value['data']) === false) {
+            return false;
+        }
+        if (isset($value['nonce']) && QuantityValidator::validate($value['nonce']) === false) {
+            return false;
+        }
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index 4e0fcd1..85b8328 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -472,7 +472,7 @@ class EthApiTest extends TestCase
         $eth = $this->eth;
 
         $eth->call([
-            'from' => "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+            // 'from' => "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
             'to' => "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
             'gas' => "0x76c0",
             'gasPrice' => "0x9184e72a000",