Net apis.

src/Methods/Net/Listening.php

@@ -16,6 +16,13 @@ use Web3\Methods\EthMethod;
 
 class Listening extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 

src/Methods/Net/PeerCount.php

@@ -17,6 +17,13 @@ use Web3\Formatters\BigNumberFormatter;
 
 class PeerCount extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 

src/Methods/Net/Version.php

@@ -16,6 +16,13 @@ use Web3\Methods\EthMethod;
 
 class Version extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 

src/Net.php

@@ -99,12 +99,13 @@ class Net
             } else {
                 $methodObject = $this->methods[$method];
             }
+            if ($methodObject->validate($arguments)) {
                 $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
                 $methodObject->arguments = $inputs;
-
                 $this->provider->send($methodObject, $callback);
             }
         }
+    }
 
     /**
      * get