From e6f7a58d3c0e59f5c878f8e0d1920b11b363c972 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Tue, 9 Jan 2018 17:36:03 +0800
Subject: [PATCH 01/36] HexFormatter

---
 src/Formatters/HexFormatter.php | 41 +++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 src/Formatters/HexFormatter.php

diff --git a/src/Formatters/HexFormatter.php b/src/Formatters/HexFormatter.php
new file mode 100644
index 0000000..37a7468
--- /dev/null
+++ b/src/Formatters/HexFormatter.php
@@ -0,0 +1,41 @@
+<?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\Formatters;
+
+use InvalidArgumentException;
+use Web3\Utils;
+use Web3\Formatters\IFormatter;
+use Web3\Formatters\Integer as IntegerFormatter;
+
+class HexFormatter implements IFormatter
+{
+    /**
+     * format
+     * 
+     * @param mixed $value
+     * @return string
+     */
+    public static function format($value)
+    {
+        $value = Utils::toString($value);
+        $value = mb_strtolower($value);
+
+        if (Utils::isZeroPrefixed($value)) {
+            return $value;
+        } elseif (Utils::isHex($value)) {
+            $value = '0x' . $value;
+        } else {
+            $value = Utils::toHex($value, true);
+        }
+        return $value;
+    }
+}
\ No newline at end of file

From 48d00a26419c866bf0518f02745ab8579c47dbf0 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Tue, 9 Jan 2018 17:44:48 +0800
Subject: [PATCH 02/36] JSONRPC method and web3 api methods

---
 src/Methods/IMethod.php            |  24 ++++
 src/Methods/IRPC.php               |  29 ++++
 src/Methods/JSONRPC.php            | 212 +++++++++++++++++++++++++++++
 src/Methods/Web3/ClientVersion.php |  89 ++++++++++++
 src/Methods/Web3/Sha3.php          |  91 +++++++++++++
 5 files changed, 445 insertions(+)
 create mode 100644 src/Methods/IMethod.php
 create mode 100644 src/Methods/IRPC.php
 create mode 100644 src/Methods/JSONRPC.php
 create mode 100644 src/Methods/Web3/ClientVersion.php
 create mode 100644 src/Methods/Web3/Sha3.php

diff --git a/src/Methods/IMethod.php b/src/Methods/IMethod.php
new file mode 100644
index 0000000..5c4fd45
--- /dev/null
+++ b/src/Methods/IMethod.php
@@ -0,0 +1,24 @@
+<?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\Methods;
+
+interface IMethod
+{
+    /**
+     * transform
+     * 
+     * @param array &$data
+     * @param array $rules
+     * @return array
+     */
+    public function transform($data, $rules);
+}
\ No newline at end of file
diff --git a/src/Methods/IRPC.php b/src/Methods/IRPC.php
new file mode 100644
index 0000000..e913685
--- /dev/null
+++ b/src/Methods/IRPC.php
@@ -0,0 +1,29 @@
+<?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\Methods;
+
+interface IRPC
+{
+    /**
+     * __toString
+     * 
+     * @return array
+     */
+    public function __toString();
+
+    /**
+     * toPayload
+     * 
+     * @return array
+     */
+    public function toPayload();
+}
\ No newline at end of file
diff --git a/src/Methods/JSONRPC.php b/src/Methods/JSONRPC.php
new file mode 100644
index 0000000..3822716
--- /dev/null
+++ b/src/Methods/JSONRPC.php
@@ -0,0 +1,212 @@
+<?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\Methods;
+
+use InvalidArgumentException;
+use Web3\Methods\IRPC;
+
+class JSONRPC implements IRPC
+{
+    /**
+     * id
+     * 
+     * @var int
+     */
+    protected $id = 0;
+
+    /**
+     * rpcVersion
+     * 
+     * @var string
+     */
+    protected $rpcVersion = '2.0';
+
+    /**
+     * method
+     * 
+     * @var string
+     */
+    protected $method = '';
+
+    /**
+     * arguments
+     * 
+     * @var array
+     */
+    protected $arguments = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    public function __construct($method, $arguments)
+    {
+        $this->method = $method;
+        $this->arguments = $arguments;
+    }
+
+    /**
+     * get
+     * 
+     * @param string $name
+     * @return mixed
+     */
+    public function __get($name)
+    {
+        $method = 'get' . ucfirst($name);
+
+        if (method_exists($this, $method)) {
+            return call_user_func_array([$this, $method], []);
+        }
+    }
+
+    /**
+     * set
+     * 
+     * @param string $name
+     * @param mixed $value
+     * @return bool
+     */
+    public function __set($name, $value)
+    {
+        $method = 'set' . ucfirst($name);
+
+        if (method_exists($this, $method)) {
+            return call_user_func_array([$this, $method], [$value]);
+        }
+        return false;
+    }
+
+    /**
+     * __toString
+     * 
+     * @return array
+     */
+    public function __toString()
+    {
+        $payload = $this->toPayload();
+
+        return json_encode($payload);
+    }
+
+    /**
+     * setId
+     * 
+     * @param int $id
+     * @return bool
+     */
+    public function setId($id)
+    {
+        if (!is_int($id)) {
+            throw new InvalidArgumentException('Id must be integer.');
+        }
+        $this->id = $id;
+
+        return true;
+    }
+
+    /**
+     * getId
+     * 
+     * @return int
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * getRpcVersion
+     * 
+     * @return string
+     */
+    public function getRpcVersion()
+    {
+        return $this->rpcVersion;
+    }
+
+    /**
+     * getMethod
+     * 
+     * @return string
+     */
+    public function getMethod()
+    {
+        return $this->method;
+    }
+
+    /**
+     * setArguments
+     * 
+     * @param array $arguments
+     * @return array
+     */
+    public function setArguments($arguments)
+    {
+        if (!is_array($arguments)) {
+            throw new InvalidArgumentException('Please use array when call setArguments.');
+        }
+        $this->arguments = $arguments;
+    }
+
+    /**
+     * getArguments
+     * 
+     * @return array
+     */
+    public function getArguments()
+    {
+        return $this->arguments;
+    }
+
+    /**
+     * toPayload
+     * 
+     * @return array
+     */
+    public function toPayload()
+    {
+        if (empty($this->method) || !is_string($this->method)) {
+            throw new InvalidArgumentException('Please check the method set properly.');
+        }
+        if (empty($this->id)) {
+            $id = rand();
+        } else {
+            $id = $this->id;
+        }
+        $rpc = [
+            'id' => $id,
+            'jsonrpc' => $this->rpcVersion,
+            'method' => $this->method
+        ];
+
+        if (count($this->arguments) > 0) {
+            $rpc['params'] = $this->arguments;
+        }
+        return $rpc;
+    }
+
+    /**
+     * toPayloadString
+     * 
+     * @return string
+     */
+    public function toPayloadString()
+    {
+        $payload = $this->toPayload();
+
+        return json_encode($payload);
+    }
+}
\ No newline at end of file
diff --git a/src/Methods/Web3/ClientVersion.php b/src/Methods/Web3/ClientVersion.php
new file mode 100644
index 0000000..d044265
--- /dev/null
+++ b/src/Methods/Web3/ClientVersion.php
@@ -0,0 +1,89 @@
+<?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\Methods\Web3;
+
+use InvalidArgumentException;
+use Web3\Methods\IMethod;
+use Web3\Methods\JSONRPC;
+
+class ClientVersion extends JSONRPC implements IMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+
+    /**
+     * getInputFormatters
+     * 
+     * @return array
+     */
+    public function getInputFormatters()
+    {
+        return $this->inputFormatters;
+    }
+
+    /**
+     * getOutputFormatters
+     * 
+     * @return array
+     */
+    public function getOutputFormatters()
+    {
+        return $this->outputFormatters;
+    }
+
+    /**
+     * transform
+     * 
+     * @param array $params
+     * @param array $rules
+     * @return array
+     */
+    public function transform($params, $rules)
+    {
+        if (!is_array($params)) {
+            throw new InvalidArgumentException('Please use array params when call transform.');
+        }
+        if (!is_array($rules)) {
+            throw new InvalidArgumentException('Please use array rules when call transform.');
+        }
+        foreach ($params as $key => $param) {
+            if (isset($rules[$key])) {
+                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
+            }
+        }
+        return $params;
+    }
+}
\ No newline at end of file
diff --git a/src/Methods/Web3/Sha3.php b/src/Methods/Web3/Sha3.php
new file mode 100644
index 0000000..a1d2fa0
--- /dev/null
+++ b/src/Methods/Web3/Sha3.php
@@ -0,0 +1,91 @@
+<?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\Methods\Web3;
+
+use InvalidArgumentException;
+use Web3\Methods\IMethod;
+use Web3\Methods\JSONRPC;
+use Web3\Formatters\HexFormatter;
+
+class Sha3 extends JSONRPC implements IMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        HexFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+
+    /**
+     * getInputFormatters
+     * 
+     * @return array
+     */
+    public function getInputFormatters()
+    {
+        return $this->inputFormatters;
+    }
+
+    /**
+     * getOutputFormatters
+     * 
+     * @return array
+     */
+    public function getOutputFormatters()
+    {
+        return $this->outputFormatters;
+    }
+
+    /**
+     * transform
+     * 
+     * @param array $params
+     * @param array $rules
+     * @return array
+     */
+    public function transform($params, $rules)
+    {
+        if (!is_array($params)) {
+            throw new InvalidArgumentException('Please use array params when call transform.');
+        }
+        if (!is_array($rules)) {
+            throw new InvalidArgumentException('Please use array rules when call transform.');
+        }
+        foreach ($params as $key => $param) {
+            if (isset($rules[$key])) {
+                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
+            }
+        }
+        return $params;
+    }
+}
\ No newline at end of file

From 917f08e74f2e3bb7fa91d3a8aabb62299dba25d9 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Tue, 9 Jan 2018 17:45:13 +0800
Subject: [PATCH 03/36] toString()

---
 src/Utils.php | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/Utils.php b/src/Utils.php
index 44e309c..c2a10e4 100644
--- a/src/Utils.php
+++ b/src/Utils.php
@@ -11,6 +11,7 @@
 
 namespace Web3;
 
+use RuntimeException;
 use InvalidArgumentException;
 use stdClass;
 use kornrunner\Keccak;
@@ -214,6 +215,22 @@ class Utils
         return '0x' . $hash;
     }
 
+    /**
+     * toString
+     * 
+     * @param mixed $value
+     * @return string
+     */
+    public function toString($value)
+    {
+        try {
+            $value = (string) $value;
+        } catch (\Exception $e) {
+            throw new RuntimeException('Cannot transform value to string!');
+        }
+        return $value;
+    }
+
     /**
      * toWei
      * Change number from unit to wei.

From 1a55f03f88ee3535cb0f10713565e7dd6bc9988e Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Tue, 9 Jan 2018 17:46:04 +0800
Subject: [PATCH 04/36] Web3 __call() and provider interface.

---
 src/Providers/HttpProvider.php | 13 ++++---
 src/Providers/IProvider.php    |  5 ++-
 src/Web3.php                   | 66 ++++++++++------------------------
 3 files changed, 26 insertions(+), 58 deletions(-)

diff --git a/src/Providers/HttpProvider.php b/src/Providers/HttpProvider.php
index 68f266b..5408774 100644
--- a/src/Providers/HttpProvider.php
+++ b/src/Providers/HttpProvider.php
@@ -31,19 +31,18 @@ class HttpProvider extends Provider implements IProvider
     /**
      * send
      * 
-     * @param string $method
-     * @param array $arguments
+     * @param \Web3\Methods\Method $method
      * @param callable $callback
      * @return void
      */
-    public function send($method, $arguments, $callback)
+    public function send($method, $callback)
     {
-        $rpc = $this->createRpc($method, $arguments);
+        $payload = $method->toPayloadString();
 
-        if (!$this->isBatch) {            
-            $this->requestManager->sendPayload(json_encode($rpc), $callback);
+        if (!$this->isBatch) {          
+            $this->requestManager->sendPayload($payload, $callback);
         } else {
-            $this->batch[] = json_encode($rpc);
+            $this->batch[] = $payload;
         }
     }
 
diff --git a/src/Providers/IProvider.php b/src/Providers/IProvider.php
index c9751a9..bbc8a7e 100644
--- a/src/Providers/IProvider.php
+++ b/src/Providers/IProvider.php
@@ -16,12 +16,11 @@ interface IProvider
     /**
      * send
      * 
-     * @param string $method
-     * @param array $arguments
+     * @param \Web3\Methods\Method $method
      * @param callable $callback
      * @return void
      */
-    public function send($method, $arguments, $callback);    
+    public function send($method, $callback);  
 
     /**
      * batch
diff --git a/src/Web3.php b/src/Web3.php
index e212e00..48464ee 100644
--- a/src/Web3.php
+++ b/src/Web3.php
@@ -63,15 +63,15 @@ class Web3
      * 
      * @var array
      */
-    private $methods = [
-        'web3_clientVersion' => [],
-        'web3_sha3' => [
-            'params' => [
-                [
-                    'validators' => HexValidator::class
-                ]
-            ]
-        ]
+    private $methods = [];
+
+    /**
+     * allowedMethods
+     * 
+     * @var array
+     */
+    private $allowedMethods = [
+        'web3_clientVersion', 'web3_sha3'
     ];
 
     /**
@@ -112,11 +112,9 @@ class Web3
         if (preg_match('/^[a-zA-Z0-9]+$/', $name) === 1) {
             $method = strtolower($class[1]) . '_' . $name;
 
-            if (!array_key_exists($method, $this->methods)) {
+            if (!in_array($method, $this->allowedMethods)) {
                 throw new \RuntimeException('Unallowed rpc method: ' . $method);
             }
-            $allowedMethod = $this->methods[$method];
-
             if ($this->provider->isBatch) {
                 $callback = null;
             } else {
@@ -126,43 +124,15 @@ class Web3
                     throw new \InvalidArgumentException('The last param must be callback function.');
                 }
             }
-            if (isset($allowedMethod['params']) && is_array($allowedMethod['params'])) {
-                // validate params
-                foreach ($allowedMethod['params'] as $key => $param) {
-                    if (isset($param['validators'])) {
-                        if (is_array($param['validators'])) {
-                            $isError = true;
-
-                            foreach ($param['validators'] as $rule) {
-                                if (isset($arguments[$key])) {
-                                    if (call_user_func([$rule, 'validate'], $arguments[$key]) === true) {
-                                        $isError = false;
-                                        break;
-                                    }
-                                } else {
-                                    if (isset($param['default'])) {
-                                        $arguments[$key] = $param['default'];
-                                        $isError = false;
-                                        break;
-                                    }
-                                }
-                            }
-                            if ($isError === true) {
-                                throw new \RuntimeException('Wrong type of ' . $name . ' method argument ' . $key . '.');
-                            }
-                        } else {
-                            if (!isset($arguments[$key]) || call_user_func([$param['validators'], 'validate'], $arguments[$key]) === false) {
-                                if (isset($param['default']) && !isset($arguments[$key])) {
-                                    $arguments[$key] = $param['default'];
-                                } else {
-                                    throw new \RuntimeException('Wrong type of ' . $name . ' method argument ' . $key . '.');
-                                }
-                            }
-                        }
-                    }
-                }
+            if (!array_key_exists($method, $this->methods)) {
+                // new the method
+                $methodClass = sprintf("\Web3\Methods\%s\%s", ucfirst($class[1]), ucfirst($name));
+                $methodObject = new $methodClass($method, $arguments);
             }
-            $this->provider->send($method, $arguments, $callback);
+            $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
+            $methodObject->arguments = $inputs;
+
+            $this->provider->send($methodObject, $callback);
         }
     }
 

From 15506cc2b2d7ec80e24eb6f15fa77a989c05f037 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Tue, 9 Jan 2018 17:53:16 +0800
Subject: [PATCH 05/36] Net api methods.

---
 src/Methods/Net/Listening.php | 88 +++++++++++++++++++++++++++++++++++
 src/Methods/Net/PeerCount.php | 88 +++++++++++++++++++++++++++++++++++
 src/Methods/Net/Version.php   | 88 +++++++++++++++++++++++++++++++++++
 3 files changed, 264 insertions(+)
 create mode 100644 src/Methods/Net/Listening.php
 create mode 100644 src/Methods/Net/PeerCount.php
 create mode 100644 src/Methods/Net/Version.php

diff --git a/src/Methods/Net/Listening.php b/src/Methods/Net/Listening.php
new file mode 100644
index 0000000..94139f3
--- /dev/null
+++ b/src/Methods/Net/Listening.php
@@ -0,0 +1,88 @@
+<?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\Methods\Net;
+
+use InvalidArgumentException;
+use Web3\Methods\IMethod;
+use Web3\Methods\JSONRPC;
+
+class Listening extends JSONRPC implements IMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+
+    /**
+     * getInputFormatters
+     * 
+     * @return array
+     */
+    public function getInputFormatters()
+    {
+        return $this->inputFormatters;
+    }
+
+    /**
+     * getOutputFormatters
+     * 
+     * @return array
+     */
+    public function getOutputFormatters()
+    {
+        return $this->outputFormatters;
+    }
+
+    /**
+     * transform
+     * 
+     * @param array $params
+     * @param array $rules
+     * @return array
+     */
+    public function transform($params, $rules)
+    {
+        if (!is_array($params)) {
+            throw new InvalidArgumentException('Please use array params when call transform.');
+        }
+        if (!is_array($rules)) {
+            throw new InvalidArgumentException('Please use array rules when call transform.');
+        }
+        foreach ($params as $key => $param) {
+            if (isset($rules[$key])) {
+                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
+            }
+        }
+        return $params;
+    }
+}
\ No newline at end of file
diff --git a/src/Methods/Net/PeerCount.php b/src/Methods/Net/PeerCount.php
new file mode 100644
index 0000000..b021576
--- /dev/null
+++ b/src/Methods/Net/PeerCount.php
@@ -0,0 +1,88 @@
+<?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\Methods\Net;
+
+use InvalidArgumentException;
+use Web3\Methods\IMethod;
+use Web3\Methods\JSONRPC;
+
+class PeerCount extends JSONRPC implements IMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+
+    /**
+     * getInputFormatters
+     * 
+     * @return array
+     */
+    public function getInputFormatters()
+    {
+        return $this->inputFormatters;
+    }
+
+    /**
+     * getOutputFormatters
+     * 
+     * @return array
+     */
+    public function getOutputFormatters()
+    {
+        return $this->outputFormatters;
+    }
+
+    /**
+     * transform
+     * 
+     * @param array $params
+     * @param array $rules
+     * @return array
+     */
+    public function transform($params, $rules)
+    {
+        if (!is_array($params)) {
+            throw new InvalidArgumentException('Please use array params when call transform.');
+        }
+        if (!is_array($rules)) {
+            throw new InvalidArgumentException('Please use array rules when call transform.');
+        }
+        foreach ($params as $key => $param) {
+            if (isset($rules[$key])) {
+                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
+            }
+        }
+        return $params;
+    }
+}
\ No newline at end of file
diff --git a/src/Methods/Net/Version.php b/src/Methods/Net/Version.php
new file mode 100644
index 0000000..9abc5ae
--- /dev/null
+++ b/src/Methods/Net/Version.php
@@ -0,0 +1,88 @@
+<?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\Methods\Net;
+
+use InvalidArgumentException;
+use Web3\Methods\IMethod;
+use Web3\Methods\JSONRPC;
+
+class Version extends JSONRPC implements IMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+
+    /**
+     * getInputFormatters
+     * 
+     * @return array
+     */
+    public function getInputFormatters()
+    {
+        return $this->inputFormatters;
+    }
+
+    /**
+     * getOutputFormatters
+     * 
+     * @return array
+     */
+    public function getOutputFormatters()
+    {
+        return $this->outputFormatters;
+    }
+
+    /**
+     * transform
+     * 
+     * @param array $params
+     * @param array $rules
+     * @return array
+     */
+    public function transform($params, $rules)
+    {
+        if (!is_array($params)) {
+            throw new InvalidArgumentException('Please use array params when call transform.');
+        }
+        if (!is_array($rules)) {
+            throw new InvalidArgumentException('Please use array rules when call transform.');
+        }
+        foreach ($params as $key => $param) {
+            if (isset($rules[$key])) {
+                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
+            }
+        }
+        return $params;
+    }
+}
\ No newline at end of file

From 8ed8d693624f52ecb06151bc8fad8dfc16a15940 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Tue, 9 Jan 2018 17:53:53 +0800
Subject: [PATCH 06/36] Net __call.

---
 src/Methods/Web3/ClientVersion.php |  3 +-
 src/Net.php                        | 61 +++++++++---------------------
 2 files changed, 19 insertions(+), 45 deletions(-)

diff --git a/src/Methods/Web3/ClientVersion.php b/src/Methods/Web3/ClientVersion.php
index d044265..5337223 100644
--- a/src/Methods/Web3/ClientVersion.php
+++ b/src/Methods/Web3/ClientVersion.php
@@ -22,8 +22,7 @@ class ClientVersion extends JSONRPC implements IMethod
      * 
      * @var array
      */
-    protected $inputFormatters = [
-    ];
+    protected $inputFormatters = [];
 
     /**
      * outputFormatters
diff --git a/src/Net.php b/src/Net.php
index 549e3e1..4ddf6a4 100644
--- a/src/Net.php
+++ b/src/Net.php
@@ -30,10 +30,15 @@ class Net
      * 
      * @var array
      */
-    private $methods = [
-        'net_version' => [],
-        'net_peerCount' => [],
-        'net_listening' => [],
+    private $methods = [];
+
+    /**
+     * allowedMethods
+     * 
+     * @var array
+     */
+    private $allowedMethods = [
+        'net_version', 'net_peerCount', 'net_listening'
     ];
 
     /**
@@ -74,11 +79,9 @@ class Net
         if (preg_match('/^[a-zA-Z0-9]+$/', $name) === 1) {
             $method = strtolower($class[1]) . '_' . $name;
 
-            if (!array_key_exists($method, $this->methods)) {
+            if (!in_array($method, $this->allowedMethods)) {
                 throw new \RuntimeException('Unallowed rpc method: ' . $method);
             }
-            $allowedMethod = $this->methods[$method];
-
             if ($this->provider->isBatch) {
                 $callback = null;
             } else {
@@ -88,43 +91,15 @@ class Net
                     throw new \InvalidArgumentException('The last param must be callback function.');
                 }
             }
-            if (isset($allowedMethod['params']) && is_array($allowedMethod['params'])) {
-                // validate params
-                foreach ($allowedMethod['params'] as $key => $param) {
-                    if (isset($param['validators'])) {
-                        if (is_array($param['validators'])) {
-                            $isError = true;
-
-                            foreach ($param['validators'] as $rule) {
-                                if (isset($arguments[$key])) {
-                                    if (call_user_func([$rule, 'validate'], $arguments[$key]) === true) {
-                                        $isError = false;
-                                        break;
-                                    }
-                                } else {
-                                    if (isset($param['default'])) {
-                                        $arguments[$key] = $param['default'];
-                                        $isError = false;
-                                        break;
-                                    }
-                                }
-                            }
-                            if ($isError === true) {
-                                throw new \RuntimeException('Wrong type of ' . $name . ' method argument ' . $key . '.');
-                            }
-                        } else {
-                            if (!isset($arguments[$key]) || call_user_func([$param['validators'], 'validate'], $arguments[$key]) === false) {
-                                if (isset($param['default']) && !isset($arguments[$key])) {
-                                    $arguments[$key] = $param['default'];
-                                } else {
-                                    throw new \RuntimeException('Wrong type of ' . $name . ' method argument ' . $key . '.');
-                                }
-                            }
-                        }
-                    }
-                }
+            if (!array_key_exists($method, $this->methods)) {
+                // new the method
+                $methodClass = sprintf("\Web3\Methods\%s\%s", ucfirst($class[1]), ucfirst($name));
+                $methodObject = new $methodClass($method, $arguments);
             }
-            $this->provider->send($method, $arguments, $callback);
+            $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
+            $methodObject->arguments = $inputs;
+
+            $this->provider->send($methodObject, $callback);
         }
     }
 

From 6c4e422bfda4464d2704d01fa084a26f79165817 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Tue, 9 Jan 2018 18:21:18 +0800
Subject: [PATCH 07/36] Catch methods.

---
 src/Net.php  | 3 +++
 src/Web3.php | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/src/Net.php b/src/Net.php
index 4ddf6a4..cdc9290 100644
--- a/src/Net.php
+++ b/src/Net.php
@@ -95,6 +95,9 @@ class Net
                 // new the method
                 $methodClass = sprintf("\Web3\Methods\%s\%s", ucfirst($class[1]), ucfirst($name));
                 $methodObject = new $methodClass($method, $arguments);
+                $this->methods[$method] = $methodObject;
+            } else {
+                $methodObject = $this->methods[$method];
             }
             $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
             $methodObject->arguments = $inputs;
diff --git a/src/Web3.php b/src/Web3.php
index 48464ee..d2b46fb 100644
--- a/src/Web3.php
+++ b/src/Web3.php
@@ -128,6 +128,9 @@ class Web3
                 // new the method
                 $methodClass = sprintf("\Web3\Methods\%s\%s", ucfirst($class[1]), ucfirst($name));
                 $methodObject = new $methodClass($method, $arguments);
+                $this->methods[$method] = $methodObject;
+            } else {
+                $methodObject = $this->methods[$method];
             }
             $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
             $methodObject->arguments = $inputs;

From 2340db233be7032b31b8fda008f1199e44da8685 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 13:01:06 +0800
Subject: [PATCH 08/36] BigNumberFormatter

---
 src/Formatters/BigNumberFormatter.php | 33 +++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/Formatters/BigNumberFormatter.php

diff --git a/src/Formatters/BigNumberFormatter.php b/src/Formatters/BigNumberFormatter.php
new file mode 100644
index 0000000..3c11437
--- /dev/null
+++ b/src/Formatters/BigNumberFormatter.php
@@ -0,0 +1,33 @@
+<?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\Formatters;
+
+use InvalidArgumentException;
+use Web3\Utils;
+use Web3\Formatters\IFormatter;
+
+class BigNumberFormatter implements IFormatter
+{
+    /**
+     * format
+     * 
+     * @param mixed $value
+     * @return string
+     */
+    public static function format($value)
+    {
+        $value = Utils::toString($value);
+        $bn = Utils::toBn($value);
+
+        return $bn;
+    }
+}
\ No newline at end of file

From ee8db87fdf8554e8b98b12bede980e91e8d690e0 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 13:03:39 +0800
Subject: [PATCH 09/36] Input formatters for each method.

---
 src/Methods/Net/PeerCount.php  |  5 ++-
 src/Providers/HttpProvider.php | 68 +++++++++++++++++++++-------------
 test/unit/NetApiTest.php       |  3 +-
 test/unit/NetBatchTest.php     |  3 ++
 test/unit/Web3ApiTest.php      | 11 +++++-
 5 files changed, 61 insertions(+), 29 deletions(-)

diff --git a/src/Methods/Net/PeerCount.php b/src/Methods/Net/PeerCount.php
index b021576..b638dd5 100644
--- a/src/Methods/Net/PeerCount.php
+++ b/src/Methods/Net/PeerCount.php
@@ -14,6 +14,7 @@ namespace Web3\Methods\Net;
 use InvalidArgumentException;
 use Web3\Methods\IMethod;
 use Web3\Methods\JSONRPC;
+use Web3\Formatters\BigNumberFormatter;
 
 class PeerCount extends JSONRPC implements IMethod
 {
@@ -29,7 +30,9 @@ class PeerCount extends JSONRPC implements IMethod
      * 
      * @var array
      */
-    protected $outputFormatters = [];
+    protected $outputFormatters = [
+        BigNumberFormatter::class
+    ];
 
     /**
      * construct
diff --git a/src/Providers/HttpProvider.php b/src/Providers/HttpProvider.php
index 5408774..b99de55 100644
--- a/src/Providers/HttpProvider.php
+++ b/src/Providers/HttpProvider.php
@@ -17,6 +17,13 @@ use Web3\RequestManagers\RequestManager;
 
 class HttpProvider extends Provider implements IProvider
 {
+    /**
+     * methods
+     * 
+     * @var array
+     */
+    protected $methods = [];
+
     /**
      * construct
      * 
@@ -39,9 +46,22 @@ class HttpProvider extends Provider implements IProvider
     {
         $payload = $method->toPayloadString();
 
-        if (!$this->isBatch) {          
-            $this->requestManager->sendPayload($payload, $callback);
+        if (!$this->isBatch) {
+            $proxy = function ($err, $res) use ($method, $callback) {
+                if ($err !== null) {
+                    return call_user_func($callback, $err, null);
+                }
+                if (!is_array($res)) {
+                    $res = $method->transform([$res], $method->outputFormatters);
+                    return call_user_func($callback, null, $res[0]);
+                }
+                $res = $method->transform($res, $method->outputFormatters);
+
+                return call_user_func($callback, null, $res);
+            };
+            $this->requestManager->sendPayload($payload, $proxy);
         } else {
+            $this->methods[] = $method;
             $this->batch[] = $payload;
         }
     }
@@ -70,30 +90,26 @@ class HttpProvider extends Provider implements IProvider
         if (!$this->isBatch) {
             throw new \RuntimeException('Please batch json rpc first.');
         }
-        $this->requestManager->sendPayload('[' . implode(',', $this->batch) . ']', $callback);
+        $methods = $this->methods;
+        $proxy = function ($err, $res) use ($methods, $callback) {
+            if ($err !== null) {
+                return call_user_func($callback, $err, null);
+            }
+            foreach ($methods as $key => $method) {
+                if (isset($res[$key])) {
+                    if (!is_array($res[$key])) {
+                        $transformed = $method->transform([$res[$key]], $method->outputFormatters);
+                        $res[$key] = $transformed[0];
+                    } else {
+                        $transformed = $method->transform($res[$key], $method->outputFormatters);
+                        $res[$key] = $transformed;
+                    }
+                }
+            }
+            return call_user_func($callback, null, $res);
+        };
+        $this->requestManager->sendPayload('[' . implode(',', $this->batch) . ']', $proxy);
+        $this->methods[] = [];
         $this->batch = [];
     }
-
-    /**
-     * createRpc
-     * 
-     * @param string $rpc
-     * @param array $arguments
-     * @return array
-     */
-    protected function createRpc($rpc, $arguments)
-    {
-        $this->id += 1;
-
-        $rpc = [
-            'id' => $this->id,
-            'jsonrpc' => $this->rpcVersion,
-            'method' => $rpc
-        ];
-
-        if (count($arguments) > 0) {
-            $rpc['params'] = $arguments;
-        }
-        return $rpc;
-    }
 }
\ No newline at end of file
diff --git a/test/unit/NetApiTest.php b/test/unit/NetApiTest.php
index a7c0e57..3766a3c 100644
--- a/test/unit/NetApiTest.php
+++ b/test/unit/NetApiTest.php
@@ -4,6 +4,7 @@ namespace Test\Unit;
 
 use RuntimeException;
 use Test\TestCase;
+use phpseclib\Math\BigInteger as BigNumber;
 
 class NetApiTest extends TestCase
 {
@@ -56,7 +57,7 @@ class NetApiTest extends TestCase
             if ($err !== null) {
                 return $this->fail($err->getMessage());
             }
-            $this->assertTrue(is_string($count));
+            $this->assertTrue($count instanceof BigNumber);
         });
     }
 
diff --git a/test/unit/NetBatchTest.php b/test/unit/NetBatchTest.php
index 1f81ab5..f3b58ec 100644
--- a/test/unit/NetBatchTest.php
+++ b/test/unit/NetBatchTest.php
@@ -4,6 +4,7 @@ namespace Test\Unit;
 
 use RuntimeException;
 use Test\TestCase;
+use phpseclib\Math\BigInteger as BigNumber;
 
 class NetBatchTest extends TestCase
 {
@@ -38,6 +39,7 @@ class NetBatchTest extends TestCase
         $net->batch(true);
         $net->version();
         $net->listening();
+        $net->peerCount();
 
         $net->provider->execute(function ($err, $data) {
             if ($err !== null) {
@@ -45,6 +47,7 @@ class NetBatchTest extends TestCase
             }
             $this->assertTrue(is_string($data[0]));
             $this->assertTrue(is_bool($data[1]));
+            $this->assertTrue($data[2] instanceof BigNumber);
         });
     }
 }
\ No newline at end of file
diff --git a/test/unit/Web3ApiTest.php b/test/unit/Web3ApiTest.php
index 137ec7d..a46f504 100644
--- a/test/unit/Web3ApiTest.php
+++ b/test/unit/Web3ApiTest.php
@@ -65,6 +65,13 @@ class Web3ApiTest extends TestCase
             }
             $this->assertEquals($hash, $this->testHash);
         });
+
+        $web3->sha3('hello world', function ($err, $hash) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            $this->assertEquals($hash, $this->testHash);
+        });
     }
 
     /**
@@ -88,6 +95,8 @@ class Web3ApiTest extends TestCase
 
     /**
      * testWrongParam
+     * We transform data and throw invalid argument exception
+     * instead of runtime exception.
      * 
      * @return void
      */
@@ -97,7 +106,7 @@ class Web3ApiTest extends TestCase
 
         $web3 = $this->web3;
 
-        $web3->sha3('hello world', function ($err, $hash) {
+        $web3->sha3($web3, function ($err, $hash) {
             if ($err !== null) {
                 return $this->fail($err->getMessage());
             }

From a422d877b07168866973cc8aec1da469916d4237 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 15:59:41 +0800
Subject: [PATCH 10/36] Quantity formatter.

---
 src/Formatters/QuantityFormatter.php | 33 ++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/Formatters/QuantityFormatter.php

diff --git a/src/Formatters/QuantityFormatter.php b/src/Formatters/QuantityFormatter.php
new file mode 100644
index 0000000..f4c9153
--- /dev/null
+++ b/src/Formatters/QuantityFormatter.php
@@ -0,0 +1,33 @@
+<?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\Formatters;
+
+use InvalidArgumentException;
+use Web3\Utils;
+use Web3\Formatters\IFormatter;
+
+class QuantityFormatter implements IFormatter
+{
+    /**
+     * format
+     * 
+     * @param mixed $value
+     * @return string
+     */
+    public static function format($value)
+    {
+        $value = Utils::toString($value);
+        $bn = Utils::toBn($value);
+
+        return '0x' . $bn->toHex(true);
+    }
+}
\ No newline at end of file

From 5288b150f72b8f0675610b33aa28d802d34bcc31 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 15:59:59 +0800
Subject: [PATCH 11/36] String formatter.

---
 src/Formatters/StringFormatter.php | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 src/Formatters/StringFormatter.php

diff --git a/src/Formatters/StringFormatter.php b/src/Formatters/StringFormatter.php
new file mode 100644
index 0000000..ccd1bdd
--- /dev/null
+++ b/src/Formatters/StringFormatter.php
@@ -0,0 +1,30 @@
+<?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\Formatters;
+
+use InvalidArgumentException;
+use Web3\Utils;
+use Web3\Formatters\IFormatter;
+
+class StringFormatter implements IFormatter
+{
+    /**
+     * format
+     * 
+     * @param mixed $value
+     * @return string
+     */
+    public static function format($value)
+    {
+        return Utils::toString($value);
+    }
+}
\ No newline at end of file

From b8e47737875b7f8acce979291e307254a48df6b1 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 16:00:56 +0800
Subject: [PATCH 12/36] Hex formatter.

---
 src/Formatters/HexFormatter.php | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/Formatters/HexFormatter.php b/src/Formatters/HexFormatter.php
index 37a7468..03ac30b 100644
--- a/src/Formatters/HexFormatter.php
+++ b/src/Formatters/HexFormatter.php
@@ -14,7 +14,6 @@ namespace Web3\Formatters;
 use InvalidArgumentException;
 use Web3\Utils;
 use Web3\Formatters\IFormatter;
-use Web3\Formatters\Integer as IntegerFormatter;
 
 class HexFormatter implements IFormatter
 {

From b48ac9f97f8f8e7e215bda79e715ddc9eb47b0a1 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 16:23:16 +0800
Subject: [PATCH 13/36] Transaction formatter.

---
 src/Formatters/TransactionFormatter.php | 47 +++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 src/Formatters/TransactionFormatter.php

diff --git a/src/Formatters/TransactionFormatter.php b/src/Formatters/TransactionFormatter.php
new file mode 100644
index 0000000..49bc9f4
--- /dev/null
+++ b/src/Formatters/TransactionFormatter.php
@@ -0,0 +1,47 @@
+<?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\Formatters;
+
+use InvalidArgumentException;
+use Web3\Utils;
+use Web3\Formatters\IFormatter;
+use Web3\Formatters\HexFormatter;
+use Web3\Formatters\QuantityFormatter;
+
+class TransactionFormatter implements IFormatter
+{
+    /**
+     * format
+     * 
+     * @param mixed $value
+     * @return string
+     */
+    public static function format($value)
+    {
+        if (isset($value['gas'])) {
+            $value['gas'] = QuantityFormatter::format($value['gas']);
+        }
+        if (isset($value['gasPrice'])) {
+            $value['gasPrice'] = QuantityFormatter::format($value['gasPrice']);
+        }
+        if (isset($value['value'])) {
+            $value['value'] = QuantityFormatter::format($value['value']);
+        }
+        if (isset($value['data'])) {
+            $value['data'] = HexFormatter::format($value['gas']);
+        }
+        if (isset($value['nonce'])) {
+            $value['nonce'] = QuantityFormatter::format($value['nonce']);
+        }
+        return $value;
+    }
+}
\ No newline at end of file

From e680f1adaf28026e014d613a9cc192be74bb64f5 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 16:30:54 +0800
Subject: [PATCH 14/36] Personal apis.

---
 src/Methods/Personal/ListAccounts.php    |  88 +++++++++++++++++
 src/Methods/Personal/NewAccount.php      |  91 ++++++++++++++++++
 src/Methods/Personal/SendTransaction.php |  92 ++++++++++++++++++
 src/Methods/Personal/UnlockAccount.php   | 116 +++++++++++++++++++++++
 src/Personal.php                         |  90 ++++--------------
 test/unit/PersonalApiTest.php            |   2 +-
 6 files changed, 409 insertions(+), 70 deletions(-)
 create mode 100644 src/Methods/Personal/ListAccounts.php
 create mode 100644 src/Methods/Personal/NewAccount.php
 create mode 100644 src/Methods/Personal/SendTransaction.php
 create mode 100644 src/Methods/Personal/UnlockAccount.php

diff --git a/src/Methods/Personal/ListAccounts.php b/src/Methods/Personal/ListAccounts.php
new file mode 100644
index 0000000..09ae40a
--- /dev/null
+++ b/src/Methods/Personal/ListAccounts.php
@@ -0,0 +1,88 @@
+<?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\Methods\Personal;
+
+use InvalidArgumentException;
+use Web3\Methods\IMethod;
+use Web3\Methods\JSONRPC;
+
+class ListAccounts extends JSONRPC implements IMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+
+    /**
+     * getInputFormatters
+     * 
+     * @return array
+     */
+    public function getInputFormatters()
+    {
+        return $this->inputFormatters;
+    }
+
+    /**
+     * getOutputFormatters
+     * 
+     * @return array
+     */
+    public function getOutputFormatters()
+    {
+        return $this->outputFormatters;
+    }
+
+    /**
+     * transform
+     * 
+     * @param array $params
+     * @param array $rules
+     * @return array
+     */
+    public function transform($params, $rules)
+    {
+        if (!is_array($params)) {
+            throw new InvalidArgumentException('Please use array params when call transform.');
+        }
+        if (!is_array($rules)) {
+            throw new InvalidArgumentException('Please use array rules when call transform.');
+        }
+        foreach ($params as $key => $param) {
+            if (isset($rules[$key])) {
+                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
+            }
+        }
+        return $params;
+    }
+}
\ No newline at end of file
diff --git a/src/Methods/Personal/NewAccount.php b/src/Methods/Personal/NewAccount.php
new file mode 100644
index 0000000..3ac77a6
--- /dev/null
+++ b/src/Methods/Personal/NewAccount.php
@@ -0,0 +1,91 @@
+<?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\Methods\Personal;
+
+use InvalidArgumentException;
+use Web3\Methods\IMethod;
+use Web3\Methods\JSONRPC;
+use Web3\Formatters\StringFormatter;
+
+class NewAccount extends JSONRPC implements IMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        StringFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+
+    /**
+     * getInputFormatters
+     * 
+     * @return array
+     */
+    public function getInputFormatters()
+    {
+        return $this->inputFormatters;
+    }
+
+    /**
+     * getOutputFormatters
+     * 
+     * @return array
+     */
+    public function getOutputFormatters()
+    {
+        return $this->outputFormatters;
+    }
+
+    /**
+     * transform
+     * 
+     * @param array $params
+     * @param array $rules
+     * @return array
+     */
+    public function transform($params, $rules)
+    {
+        if (!is_array($params)) {
+            throw new InvalidArgumentException('Please use array params when call transform.');
+        }
+        if (!is_array($rules)) {
+            throw new InvalidArgumentException('Please use array rules when call transform.');
+        }
+        foreach ($params as $key => $param) {
+            if (isset($rules[$key])) {
+                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
+            }
+        }
+        return $params;
+    }
+}
\ No newline at end of file
diff --git a/src/Methods/Personal/SendTransaction.php b/src/Methods/Personal/SendTransaction.php
new file mode 100644
index 0000000..a5a11b7
--- /dev/null
+++ b/src/Methods/Personal/SendTransaction.php
@@ -0,0 +1,92 @@
+<?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\Methods\Personal;
+
+use InvalidArgumentException;
+use Web3\Methods\IMethod;
+use Web3\Methods\JSONRPC;
+use Web3\Formatters\TransactionFormatter;
+use Web3\Formatters\StringFormatter;
+
+class SendTransaction extends JSONRPC implements IMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        TransactionFormatter::class, StringFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+
+    /**
+     * getInputFormatters
+     * 
+     * @return array
+     */
+    public function getInputFormatters()
+    {
+        return $this->inputFormatters;
+    }
+
+    /**
+     * getOutputFormatters
+     * 
+     * @return array
+     */
+    public function getOutputFormatters()
+    {
+        return $this->outputFormatters;
+    }
+
+    /**
+     * transform
+     * 
+     * @param array $params
+     * @param array $rules
+     * @return array
+     */
+    public function transform($params, $rules)
+    {
+        if (!is_array($params)) {
+            throw new InvalidArgumentException('Please use array params when call transform.');
+        }
+        if (!is_array($rules)) {
+            throw new InvalidArgumentException('Please use array rules when call transform.');
+        }
+        foreach ($params as $key => $param) {
+            if (isset($rules[$key])) {
+                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
+            }
+        }
+        return $params;
+    }
+}
\ No newline at end of file
diff --git a/src/Methods/Personal/UnlockAccount.php b/src/Methods/Personal/UnlockAccount.php
new file mode 100644
index 0000000..67ab8c7
--- /dev/null
+++ b/src/Methods/Personal/UnlockAccount.php
@@ -0,0 +1,116 @@
+<?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\Methods\Personal;
+
+use InvalidArgumentException;
+use Web3\Methods\IMethod;
+use Web3\Methods\JSONRPC;
+use Web3\Formatters\AddressFormatter;
+use Web3\Formatters\StringFormatter;
+use Web3\Formatters\QuantityFormatter;
+
+class UnlockAccount extends JSONRPC implements IMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        AddressFormatter::class, StringFormatter::class, QuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    private $defaultValues = [
+        'personal_unlockAccount' => [
+            2 => 300
+        ]
+    ];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+
+    /**
+     * getInputFormatters
+     * 
+     * @return array
+     */
+    public function getInputFormatters()
+    {
+        return $this->inputFormatters;
+    }
+
+    /**
+     * getOutputFormatters
+     * 
+     * @return array
+     */
+    public function getOutputFormatters()
+    {
+        return $this->outputFormatters;
+    }
+
+    /**
+     * transform
+     * 
+     * @param array $params
+     * @param array $rules
+     * @return array
+     */
+    public function transform($params, $rules)
+    {
+        if (!is_array($params)) {
+            throw new InvalidArgumentException('Please use array params when call transform.');
+        }
+        if (!is_array($rules)) {
+            throw new InvalidArgumentException('Please use array rules when call transform.');
+        }
+        if (count($params) < count($rules)) {
+            if (!isset($this->defaultValues[$this->method])) {
+                throw new \InvalidArgumentException('The params are less than inputFormatters.');
+            }
+            $defaultValues = $this->defaultValues[$this->method];
+
+            foreach ($defaultValues as $key => $value) {
+                if (!isset($params[$key])) {
+                    $params[$key] = $value;
+                }
+            }
+        }
+        foreach ($params as $key => $param) {
+            if (isset($rules[$key])) {
+                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
+            }
+        }
+        return $params;
+    }
+}
\ No newline at end of file
diff --git a/src/Personal.php b/src/Personal.php
index a177b7f..5563581 100644
--- a/src/Personal.php
+++ b/src/Personal.php
@@ -34,36 +34,15 @@ class Personal
      * 
      * @var array
      */
-    private $methods = [
-        'personal_listAccounts' => [],
-        'personal_newAccount' => [
-            'params' => [
-                [
-                    'validators' => StringValidator::class
-                ]
-            ]
-        ],
-        'personal_unlockAccount' => [
-            'params' => [
-                [
-                    'validators' => AddressValidator::class
-                ], [
-                    'validators' => StringValidator::class
-                ], [
-                    'default' => 300,
-                    'validators' => QuantityValidator::class
-                ]
-            ]
-        ],
-        'personal_sendTransaction' => [
-            'params' => [
-                [
-                    'validators' => TransactionValidator::class
-                ], [
-                    'validators' => StringValidator::class
-                ]
-            ]
-        ]
+    private $methods = [];
+
+    /**
+     * allowedMethods
+     * 
+     * @var array
+     */
+    private $allowedMethods = [
+        'personal_listAccounts', 'personal_newAccount', 'personal_unlockAccount', 'personal_sendTransaction'
     ];
 
     /**
@@ -104,11 +83,9 @@ class Personal
         if (preg_match('/^[a-zA-Z0-9]+$/', $name) === 1) {
             $method = strtolower($class[1]) . '_' . $name;
 
-            if (!array_key_exists($method, $this->methods)) {
+            if (!in_array($method, $this->allowedMethods)) {
                 throw new \RuntimeException('Unallowed rpc method: ' . $method);
             }
-            $allowedMethod = $this->methods[$method];
-
             if ($this->provider->isBatch) {
                 $callback = null;
             } else {
@@ -118,43 +95,18 @@ class Personal
                     throw new \InvalidArgumentException('The last param must be callback function.');
                 }
             }
-            if (isset($allowedMethod['params']) && is_array($allowedMethod['params'])) {
-                // validate params
-                foreach ($allowedMethod['params'] as $key => $param) {
-                    if (isset($param['validators'])) {
-                        if (is_array($param['validators'])) {
-                            $isError = true;
-
-                            foreach ($param['validators'] as $rule) {
-                                if (isset($arguments[$key])) {
-                                    if (call_user_func([$rule, 'validate'], $arguments[$key]) === true) {
-                                        $isError = false;
-                                        break;
-                                    }
-                                } else {
-                                    if (isset($param['default'])) {
-                                        $arguments[$key] = $param['default'];
-                                        $isError = false;
-                                        break;
-                                    }
-                                }
-                            }
-                            if ($isError === true) {
-                                throw new \RuntimeException('Wrong type of ' . $name . ' method argument ' . $key . '.');
-                            }
-                        } else {
-                            if (!isset($arguments[$key]) || call_user_func([$param['validators'], 'validate'], $arguments[$key]) === false) {
-                                if (isset($param['default']) && !isset($arguments[$key])) {
-                                    $arguments[$key] = $param['default'];
-                                } else {
-                                    throw new \RuntimeException('Wrong type of ' . $name . ' method argument ' . $key . '.');
-                                }
-                            }
-                        }
-                    }
-                }
+            if (!array_key_exists($method, $this->methods)) {
+                // new the method
+                $methodClass = sprintf("\Web3\Methods\%s\%s", ucfirst($class[1]), ucfirst($name));
+                $methodObject = new $methodClass($method, $arguments);
+                $this->methods[$method] = $methodObject;
+            } else {
+                $methodObject = $this->methods[$method];
             }
-            $this->provider->send($method, $arguments, $callback);
+            $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
+            $methodObject->arguments = $inputs;
+
+            $this->provider->send($methodObject, $callback);
         }
     }
 
diff --git a/test/unit/PersonalApiTest.php b/test/unit/PersonalApiTest.php
index 616094c..e9a449a 100644
--- a/test/unit/PersonalApiTest.php
+++ b/test/unit/PersonalApiTest.php
@@ -135,7 +135,7 @@ class PersonalApiTest extends TestCase
 
         $personal = $this->personal;
 
-        $personal->newAccount(123456, function ($err, $account) {
+        $personal->newAccount($personal, function ($err, $account) {
             if ($err !== null) {
                 return $this->fail($err->getMessage());
             }

From 2baac410deada0544891cdaf523d48e5943e933d Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 16:34:24 +0800
Subject: [PATCH 15/36] Rename address formatter.

---
 src/Contract.php                                     | 2 +-
 src/Formatters/{Address.php => AddressFormatter.php} | 2 +-
 test/unit/AddressFormatterTest.php                   | 6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)
 rename src/Formatters/{Address.php => AddressFormatter.php} (94%)

diff --git a/src/Contract.php b/src/Contract.php
index d3a5e8e..60c179b 100644
--- a/src/Contract.php
+++ b/src/Contract.php
@@ -27,7 +27,7 @@ use Web3\Contracts\Types\Str;
 use Web3\Contracts\Types\Uinteger;
 use Web3\Validators\AddressValidator;
 use Web3\Validators\HexValidator;
-use Web3\Formatters\Address as AddressFormatter;
+use Web3\Formatters\AddressFormatter;
 
 class Contract
 {
diff --git a/src/Formatters/Address.php b/src/Formatters/AddressFormatter.php
similarity index 94%
rename from src/Formatters/Address.php
rename to src/Formatters/AddressFormatter.php
index 0c596b9..4c83107 100644
--- a/src/Formatters/Address.php
+++ b/src/Formatters/AddressFormatter.php
@@ -16,7 +16,7 @@ use Web3\Utils;
 use Web3\Formatters\IFormatter;
 use Web3\Formatters\Integer as IntegerFormatter;
 
-class Address implements IFormatter
+class AddressFormatter implements IFormatter
 {
     /**
      * format
diff --git a/test/unit/AddressFormatterTest.php b/test/unit/AddressFormatterTest.php
index 5b8429e..6bacb9f 100644
--- a/test/unit/AddressFormatterTest.php
+++ b/test/unit/AddressFormatterTest.php
@@ -3,14 +3,14 @@
 namespace Test\Unit;
 
 use Test\TestCase;
-use Web3\Formatters\Address;
+use Web3\Formatters\AddressFormatter;
 
 class AddressFormatterTest extends TestCase
 {
     /**
      * formatter
      * 
-     * @var \Web3\Formatters\Address
+     * @var \Web3\Formatters\AddressFormatter
      */
     protected $formatter;
 
@@ -22,7 +22,7 @@ class AddressFormatterTest extends TestCase
     public function setUp()
     {
         parent::setUp();
-        $this->formatter = new Address;
+        $this->formatter = new AddressFormatter;
     }
 
     /**

From 26b6844f443d3643ee5124155ca2381a25904a29 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 16:46:08 +0800
Subject: [PATCH 16/36] Eth protocol version.

---
 src/Methods/Eth/ProtocolVersion.php | 91 +++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 src/Methods/Eth/ProtocolVersion.php

diff --git a/src/Methods/Eth/ProtocolVersion.php b/src/Methods/Eth/ProtocolVersion.php
new file mode 100644
index 0000000..4d937f0
--- /dev/null
+++ b/src/Methods/Eth/ProtocolVersion.php
@@ -0,0 +1,91 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\IMethod;
+use Web3\Methods\JSONRPC;
+use Web3\Formatters\BigNumberFormatter;
+
+class ProtocolVersion extends JSONRPC implements IMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [
+        BigNumberFormatter::class
+    ];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+
+    /**
+     * getInputFormatters
+     * 
+     * @return array
+     */
+    public function getInputFormatters()
+    {
+        return $this->inputFormatters;
+    }
+
+    /**
+     * getOutputFormatters
+     * 
+     * @return array
+     */
+    public function getOutputFormatters()
+    {
+        return $this->outputFormatters;
+    }
+
+    /**
+     * transform
+     * 
+     * @param array $params
+     * @param array $rules
+     * @return array
+     */
+    public function transform($params, $rules)
+    {
+        if (!is_array($params)) {
+            throw new InvalidArgumentException('Please use array params when call transform.');
+        }
+        if (!is_array($rules)) {
+            throw new InvalidArgumentException('Please use array rules when call transform.');
+        }
+        foreach ($params as $key => $param) {
+            if (isset($rules[$key])) {
+                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
+            }
+        }
+        return $params;
+    }
+}
\ No newline at end of file

From df143d7aeefa90e0e7319f59ac015b9f06fb286c Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 16:49:42 +0800
Subject: [PATCH 17/36] Eth syncing.

---
 src/Methods/Eth/Syncing.php | 88 +++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 src/Methods/Eth/Syncing.php

diff --git a/src/Methods/Eth/Syncing.php b/src/Methods/Eth/Syncing.php
new file mode 100644
index 0000000..6192c4d
--- /dev/null
+++ b/src/Methods/Eth/Syncing.php
@@ -0,0 +1,88 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\IMethod;
+use Web3\Methods\JSONRPC;
+
+class Syncing extends JSONRPC implements IMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+
+    /**
+     * getInputFormatters
+     * 
+     * @return array
+     */
+    public function getInputFormatters()
+    {
+        return $this->inputFormatters;
+    }
+
+    /**
+     * getOutputFormatters
+     * 
+     * @return array
+     */
+    public function getOutputFormatters()
+    {
+        return $this->outputFormatters;
+    }
+
+    /**
+     * transform
+     * 
+     * @param array $params
+     * @param array $rules
+     * @return array
+     */
+    public function transform($params, $rules)
+    {
+        if (!is_array($params)) {
+            throw new InvalidArgumentException('Please use array params when call transform.');
+        }
+        if (!is_array($rules)) {
+            throw new InvalidArgumentException('Please use array rules when call transform.');
+        }
+        foreach ($params as $key => $param) {
+            if (isset($rules[$key])) {
+                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
+            }
+        }
+        return $params;
+    }
+}
\ No newline at end of file

From b9a8bccfb98f0e0a09ff17cebc84d9a5a96e6c5d Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 16:50:05 +0800
Subject: [PATCH 18/36] Eth batch test.

---
 test/unit/EthBatchTest.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/unit/EthBatchTest.php b/test/unit/EthBatchTest.php
index d6094de..2ab28eb 100644
--- a/test/unit/EthBatchTest.php
+++ b/test/unit/EthBatchTest.php
@@ -4,6 +4,7 @@ namespace Test\Unit;
 
 use RuntimeException;
 use Test\TestCase;
+use phpseclib\Math\BigInteger as BigNumber;
 
 class EthBatchTest extends TestCase
 {
@@ -43,7 +44,7 @@ class EthBatchTest extends TestCase
             if ($err !== null) {
                 return $this->fail('Got error!');
             }
-            $this->assertTrue(is_string($data[0]));
+            $this->assertTrue($data[0] instanceof BigNumber);
             $this->assertTrue($data[1] !== null);
         });
     }

From 46189b795a26e392d769113e17b705c28123ff0c Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 17:24:42 +0800
Subject: [PATCH 19/36] Optional quantity formatter.

---
 src/Formatters/OptionalQuantityFormatter.php | 37 ++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 src/Formatters/OptionalQuantityFormatter.php

diff --git a/src/Formatters/OptionalQuantityFormatter.php b/src/Formatters/OptionalQuantityFormatter.php
new file mode 100644
index 0000000..c191755
--- /dev/null
+++ b/src/Formatters/OptionalQuantityFormatter.php
@@ -0,0 +1,37 @@
+<?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\Formatters;
+
+use InvalidArgumentException;
+use Web3\Utils;
+use Web3\Formatters\IFormatter;
+use Web3\Validators\TagValidator;
+
+class OptionalQuantityFormatter implements IFormatter
+{
+    /**
+     * format
+     * 
+     * @param mixed $value
+     * @return string
+     */
+    public static function format($value)
+    {
+        if (TagValidator::validate($value)) {
+            return $value;
+        }
+        $value = Utils::toString($value);
+        $bn = Utils::toBn($value);
+
+        return '0x' . $bn->toHex(true);
+    }
+}
\ No newline at end of file

From fa63012c060089a81b8393b49c7a04ac055be78f Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 17:57:08 +0800
Subject: [PATCH 20/36] EthMethod

---
 src/Methods/EthMethod.php | 108 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 src/Methods/EthMethod.php

diff --git a/src/Methods/EthMethod.php b/src/Methods/EthMethod.php
new file mode 100644
index 0000000..e73e589
--- /dev/null
+++ b/src/Methods/EthMethod.php
@@ -0,0 +1,108 @@
+<?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\Methods;
+
+use InvalidArgumentException;
+use Web3\Methods\IMethod;
+use Web3\Methods\JSONRPC;
+
+class EthMethod extends JSONRPC implements IMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+
+    /**
+     * getInputFormatters
+     * 
+     * @return array
+     */
+    public function getInputFormatters()
+    {
+        return $this->inputFormatters;
+    }
+
+    /**
+     * getOutputFormatters
+     * 
+     * @return array
+     */
+    public function getOutputFormatters()
+    {
+        return $this->outputFormatters;
+    }
+
+    /**
+     * transform
+     * 
+     * @param array $params
+     * @param array $rules
+     * @return array
+     */
+    public function transform($params, $rules)
+    {
+        if (!is_array($params)) {
+            throw new InvalidArgumentException('Please use array params when call transform.');
+        }
+        if (!is_array($rules)) {
+            throw new InvalidArgumentException('Please use array rules when call transform.');
+        }
+        if (count($params) < count($rules)) {
+            if (!isset($this->defaultValues) || empty($this->defaultValues)) {
+                throw new \InvalidArgumentException('The params are less than inputFormatters.');
+            }
+            $defaultValues = $this->defaultValues;
+
+            foreach ($defaultValues as $key => $value) {
+                if (!isset($params[$key])) {
+                    $params[$key] = $value;
+                }
+
+            }
+        }
+        foreach ($params as $key => $param) {
+            if (isset($rules[$key])) {
+                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
+            }
+        }
+        return $params;
+    }
+}
\ No newline at end of file

From 05a1a638cf402a92e1557007cb0248f9a4a60035 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 17:57:53 +0800
Subject: [PATCH 21/36] Net use EthMethod

---
 src/Methods/Net/Listening.php | 55 ++++++-----------------------------
 src/Methods/Net/PeerCount.php | 55 ++++++-----------------------------
 src/Methods/Net/Version.php   | 55 ++++++-----------------------------
 3 files changed, 27 insertions(+), 138 deletions(-)

diff --git a/src/Methods/Net/Listening.php b/src/Methods/Net/Listening.php
index 94139f3..2e9945c 100644
--- a/src/Methods/Net/Listening.php
+++ b/src/Methods/Net/Listening.php
@@ -12,10 +12,9 @@
 namespace Web3\Methods\Net;
 
 use InvalidArgumentException;
-use Web3\Methods\IMethod;
-use Web3\Methods\JSONRPC;
+use Web3\Methods\EthMethod;
 
-class Listening extends JSONRPC implements IMethod
+class Listening extends EthMethod
 {
     /**
      * inputFormatters
@@ -31,6 +30,13 @@ class Listening extends JSONRPC implements IMethod
      */
     protected $outputFormatters = [];
 
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
     /**
      * construct
      * 
@@ -42,47 +48,4 @@ class Listening extends JSONRPC implements IMethod
     // {
     //     parent::__construct($method, $arguments);
     // }
-
-    /**
-     * getInputFormatters
-     * 
-     * @return array
-     */
-    public function getInputFormatters()
-    {
-        return $this->inputFormatters;
-    }
-
-    /**
-     * getOutputFormatters
-     * 
-     * @return array
-     */
-    public function getOutputFormatters()
-    {
-        return $this->outputFormatters;
-    }
-
-    /**
-     * transform
-     * 
-     * @param array $params
-     * @param array $rules
-     * @return array
-     */
-    public function transform($params, $rules)
-    {
-        if (!is_array($params)) {
-            throw new InvalidArgumentException('Please use array params when call transform.');
-        }
-        if (!is_array($rules)) {
-            throw new InvalidArgumentException('Please use array rules when call transform.');
-        }
-        foreach ($params as $key => $param) {
-            if (isset($rules[$key])) {
-                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
-            }
-        }
-        return $params;
-    }
 }
\ No newline at end of file
diff --git a/src/Methods/Net/PeerCount.php b/src/Methods/Net/PeerCount.php
index b638dd5..1983dfe 100644
--- a/src/Methods/Net/PeerCount.php
+++ b/src/Methods/Net/PeerCount.php
@@ -12,11 +12,10 @@
 namespace Web3\Methods\Net;
 
 use InvalidArgumentException;
-use Web3\Methods\IMethod;
-use Web3\Methods\JSONRPC;
+use Web3\Methods\EthMethod;
 use Web3\Formatters\BigNumberFormatter;
 
-class PeerCount extends JSONRPC implements IMethod
+class PeerCount extends EthMethod
 {
     /**
      * inputFormatters
@@ -34,6 +33,13 @@ class PeerCount extends JSONRPC implements IMethod
         BigNumberFormatter::class
     ];
 
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
     /**
      * construct
      * 
@@ -45,47 +51,4 @@ class PeerCount extends JSONRPC implements IMethod
     // {
     //     parent::__construct($method, $arguments);
     // }
-
-    /**
-     * getInputFormatters
-     * 
-     * @return array
-     */
-    public function getInputFormatters()
-    {
-        return $this->inputFormatters;
-    }
-
-    /**
-     * getOutputFormatters
-     * 
-     * @return array
-     */
-    public function getOutputFormatters()
-    {
-        return $this->outputFormatters;
-    }
-
-    /**
-     * transform
-     * 
-     * @param array $params
-     * @param array $rules
-     * @return array
-     */
-    public function transform($params, $rules)
-    {
-        if (!is_array($params)) {
-            throw new InvalidArgumentException('Please use array params when call transform.');
-        }
-        if (!is_array($rules)) {
-            throw new InvalidArgumentException('Please use array rules when call transform.');
-        }
-        foreach ($params as $key => $param) {
-            if (isset($rules[$key])) {
-                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
-            }
-        }
-        return $params;
-    }
 }
\ No newline at end of file
diff --git a/src/Methods/Net/Version.php b/src/Methods/Net/Version.php
index 9abc5ae..cf34149 100644
--- a/src/Methods/Net/Version.php
+++ b/src/Methods/Net/Version.php
@@ -12,10 +12,9 @@
 namespace Web3\Methods\Net;
 
 use InvalidArgumentException;
-use Web3\Methods\IMethod;
-use Web3\Methods\JSONRPC;
+use Web3\Methods\EthMethod;
 
-class Version extends JSONRPC implements IMethod
+class Version extends EthMethod
 {
     /**
      * inputFormatters
@@ -31,6 +30,13 @@ class Version extends JSONRPC implements IMethod
      */
     protected $outputFormatters = [];
 
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
     /**
      * construct
      * 
@@ -42,47 +48,4 @@ class Version extends JSONRPC implements IMethod
     // {
     //     parent::__construct($method, $arguments);
     // }
-
-    /**
-     * getInputFormatters
-     * 
-     * @return array
-     */
-    public function getInputFormatters()
-    {
-        return $this->inputFormatters;
-    }
-
-    /**
-     * getOutputFormatters
-     * 
-     * @return array
-     */
-    public function getOutputFormatters()
-    {
-        return $this->outputFormatters;
-    }
-
-    /**
-     * transform
-     * 
-     * @param array $params
-     * @param array $rules
-     * @return array
-     */
-    public function transform($params, $rules)
-    {
-        if (!is_array($params)) {
-            throw new InvalidArgumentException('Please use array params when call transform.');
-        }
-        if (!is_array($rules)) {
-            throw new InvalidArgumentException('Please use array rules when call transform.');
-        }
-        foreach ($params as $key => $param) {
-            if (isset($rules[$key])) {
-                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
-            }
-        }
-        return $params;
-    }
 }
\ No newline at end of file

From ce217225a9554a16865e712b8c9600e56c89f004 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 17:58:05 +0800
Subject: [PATCH 22/36] Web3 use EthMethod

---
 src/Methods/Web3/ClientVersion.php | 55 +++++-------------------------
 src/Methods/Web3/Sha3.php          | 55 +++++-------------------------
 2 files changed, 18 insertions(+), 92 deletions(-)

diff --git a/src/Methods/Web3/ClientVersion.php b/src/Methods/Web3/ClientVersion.php
index 5337223..90f12fe 100644
--- a/src/Methods/Web3/ClientVersion.php
+++ b/src/Methods/Web3/ClientVersion.php
@@ -12,10 +12,9 @@
 namespace Web3\Methods\Web3;
 
 use InvalidArgumentException;
-use Web3\Methods\IMethod;
-use Web3\Methods\JSONRPC;
+use Web3\Methods\EthMethod;
 
-class ClientVersion extends JSONRPC implements IMethod
+class ClientVersion extends EthMethod
 {
     /**
      * inputFormatters
@@ -31,6 +30,13 @@ class ClientVersion extends JSONRPC implements IMethod
      */
     protected $outputFormatters = [];
 
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
     /**
      * construct
      * 
@@ -42,47 +48,4 @@ class ClientVersion extends JSONRPC implements IMethod
     // {
     //     parent::__construct($method, $arguments);
     // }
-
-    /**
-     * getInputFormatters
-     * 
-     * @return array
-     */
-    public function getInputFormatters()
-    {
-        return $this->inputFormatters;
-    }
-
-    /**
-     * getOutputFormatters
-     * 
-     * @return array
-     */
-    public function getOutputFormatters()
-    {
-        return $this->outputFormatters;
-    }
-
-    /**
-     * transform
-     * 
-     * @param array $params
-     * @param array $rules
-     * @return array
-     */
-    public function transform($params, $rules)
-    {
-        if (!is_array($params)) {
-            throw new InvalidArgumentException('Please use array params when call transform.');
-        }
-        if (!is_array($rules)) {
-            throw new InvalidArgumentException('Please use array rules when call transform.');
-        }
-        foreach ($params as $key => $param) {
-            if (isset($rules[$key])) {
-                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
-            }
-        }
-        return $params;
-    }
 }
\ No newline at end of file
diff --git a/src/Methods/Web3/Sha3.php b/src/Methods/Web3/Sha3.php
index a1d2fa0..c899f89 100644
--- a/src/Methods/Web3/Sha3.php
+++ b/src/Methods/Web3/Sha3.php
@@ -12,11 +12,10 @@
 namespace Web3\Methods\Web3;
 
 use InvalidArgumentException;
-use Web3\Methods\IMethod;
-use Web3\Methods\JSONRPC;
+use Web3\Methods\EthMethod;
 use Web3\Formatters\HexFormatter;
 
-class Sha3 extends JSONRPC implements IMethod
+class Sha3 extends EthMethod
 {
     /**
      * inputFormatters
@@ -34,6 +33,13 @@ class Sha3 extends JSONRPC implements IMethod
      */
     protected $outputFormatters = [];
 
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
     /**
      * construct
      * 
@@ -45,47 +51,4 @@ class Sha3 extends JSONRPC implements IMethod
     // {
     //     parent::__construct($method, $arguments);
     // }
-
-    /**
-     * getInputFormatters
-     * 
-     * @return array
-     */
-    public function getInputFormatters()
-    {
-        return $this->inputFormatters;
-    }
-
-    /**
-     * getOutputFormatters
-     * 
-     * @return array
-     */
-    public function getOutputFormatters()
-    {
-        return $this->outputFormatters;
-    }
-
-    /**
-     * transform
-     * 
-     * @param array $params
-     * @param array $rules
-     * @return array
-     */
-    public function transform($params, $rules)
-    {
-        if (!is_array($params)) {
-            throw new InvalidArgumentException('Please use array params when call transform.');
-        }
-        if (!is_array($rules)) {
-            throw new InvalidArgumentException('Please use array rules when call transform.');
-        }
-        foreach ($params as $key => $param) {
-            if (isset($rules[$key])) {
-                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
-            }
-        }
-        return $params;
-    }
 }
\ No newline at end of file

From ba6d50b25bec1514d4c4a9acf43e824d2d6685a6 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 17:58:20 +0800
Subject: [PATCH 23/36] Personal use EthMethod

---
 src/Methods/Personal/ListAccounts.php    | 55 ++++----------------
 src/Methods/Personal/NewAccount.php      | 55 ++++----------------
 src/Methods/Personal/SendTransaction.php | 55 ++++----------------
 src/Methods/Personal/UnlockAccount.php   | 66 ++----------------------
 4 files changed, 31 insertions(+), 200 deletions(-)

diff --git a/src/Methods/Personal/ListAccounts.php b/src/Methods/Personal/ListAccounts.php
index 09ae40a..9bc4e15 100644
--- a/src/Methods/Personal/ListAccounts.php
+++ b/src/Methods/Personal/ListAccounts.php
@@ -12,10 +12,9 @@
 namespace Web3\Methods\Personal;
 
 use InvalidArgumentException;
-use Web3\Methods\IMethod;
-use Web3\Methods\JSONRPC;
+use Web3\Methods\EthMethod;
 
-class ListAccounts extends JSONRPC implements IMethod
+class ListAccounts extends EthMethod
 {
     /**
      * inputFormatters
@@ -31,6 +30,13 @@ class ListAccounts extends JSONRPC implements IMethod
      */
     protected $outputFormatters = [];
 
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
     /**
      * construct
      * 
@@ -42,47 +48,4 @@ class ListAccounts extends JSONRPC implements IMethod
     // {
     //     parent::__construct($method, $arguments);
     // }
-
-    /**
-     * getInputFormatters
-     * 
-     * @return array
-     */
-    public function getInputFormatters()
-    {
-        return $this->inputFormatters;
-    }
-
-    /**
-     * getOutputFormatters
-     * 
-     * @return array
-     */
-    public function getOutputFormatters()
-    {
-        return $this->outputFormatters;
-    }
-
-    /**
-     * transform
-     * 
-     * @param array $params
-     * @param array $rules
-     * @return array
-     */
-    public function transform($params, $rules)
-    {
-        if (!is_array($params)) {
-            throw new InvalidArgumentException('Please use array params when call transform.');
-        }
-        if (!is_array($rules)) {
-            throw new InvalidArgumentException('Please use array rules when call transform.');
-        }
-        foreach ($params as $key => $param) {
-            if (isset($rules[$key])) {
-                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
-            }
-        }
-        return $params;
-    }
 }
\ No newline at end of file
diff --git a/src/Methods/Personal/NewAccount.php b/src/Methods/Personal/NewAccount.php
index 3ac77a6..3043276 100644
--- a/src/Methods/Personal/NewAccount.php
+++ b/src/Methods/Personal/NewAccount.php
@@ -12,11 +12,10 @@
 namespace Web3\Methods\Personal;
 
 use InvalidArgumentException;
-use Web3\Methods\IMethod;
-use Web3\Methods\JSONRPC;
+use Web3\Methods\EthMethod;
 use Web3\Formatters\StringFormatter;
 
-class NewAccount extends JSONRPC implements IMethod
+class NewAccount extends EthMethod
 {
     /**
      * inputFormatters
@@ -34,6 +33,13 @@ class NewAccount extends JSONRPC implements IMethod
      */
     protected $outputFormatters = [];
 
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
     /**
      * construct
      * 
@@ -45,47 +51,4 @@ class NewAccount extends JSONRPC implements IMethod
     // {
     //     parent::__construct($method, $arguments);
     // }
-
-    /**
-     * getInputFormatters
-     * 
-     * @return array
-     */
-    public function getInputFormatters()
-    {
-        return $this->inputFormatters;
-    }
-
-    /**
-     * getOutputFormatters
-     * 
-     * @return array
-     */
-    public function getOutputFormatters()
-    {
-        return $this->outputFormatters;
-    }
-
-    /**
-     * transform
-     * 
-     * @param array $params
-     * @param array $rules
-     * @return array
-     */
-    public function transform($params, $rules)
-    {
-        if (!is_array($params)) {
-            throw new InvalidArgumentException('Please use array params when call transform.');
-        }
-        if (!is_array($rules)) {
-            throw new InvalidArgumentException('Please use array rules when call transform.');
-        }
-        foreach ($params as $key => $param) {
-            if (isset($rules[$key])) {
-                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
-            }
-        }
-        return $params;
-    }
 }
\ No newline at end of file
diff --git a/src/Methods/Personal/SendTransaction.php b/src/Methods/Personal/SendTransaction.php
index a5a11b7..f49c5c8 100644
--- a/src/Methods/Personal/SendTransaction.php
+++ b/src/Methods/Personal/SendTransaction.php
@@ -12,12 +12,11 @@
 namespace Web3\Methods\Personal;
 
 use InvalidArgumentException;
-use Web3\Methods\IMethod;
-use Web3\Methods\JSONRPC;
+use Web3\Methods\EthMethod;
 use Web3\Formatters\TransactionFormatter;
 use Web3\Formatters\StringFormatter;
 
-class SendTransaction extends JSONRPC implements IMethod
+class SendTransaction extends EthMethod
 {
     /**
      * inputFormatters
@@ -35,6 +34,13 @@ class SendTransaction extends JSONRPC implements IMethod
      */
     protected $outputFormatters = [];
 
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
     /**
      * construct
      * 
@@ -46,47 +52,4 @@ class SendTransaction extends JSONRPC implements IMethod
     // {
     //     parent::__construct($method, $arguments);
     // }
-
-    /**
-     * getInputFormatters
-     * 
-     * @return array
-     */
-    public function getInputFormatters()
-    {
-        return $this->inputFormatters;
-    }
-
-    /**
-     * getOutputFormatters
-     * 
-     * @return array
-     */
-    public function getOutputFormatters()
-    {
-        return $this->outputFormatters;
-    }
-
-    /**
-     * transform
-     * 
-     * @param array $params
-     * @param array $rules
-     * @return array
-     */
-    public function transform($params, $rules)
-    {
-        if (!is_array($params)) {
-            throw new InvalidArgumentException('Please use array params when call transform.');
-        }
-        if (!is_array($rules)) {
-            throw new InvalidArgumentException('Please use array rules when call transform.');
-        }
-        foreach ($params as $key => $param) {
-            if (isset($rules[$key])) {
-                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
-            }
-        }
-        return $params;
-    }
 }
\ No newline at end of file
diff --git a/src/Methods/Personal/UnlockAccount.php b/src/Methods/Personal/UnlockAccount.php
index 67ab8c7..5a0568c 100644
--- a/src/Methods/Personal/UnlockAccount.php
+++ b/src/Methods/Personal/UnlockAccount.php
@@ -12,13 +12,12 @@
 namespace Web3\Methods\Personal;
 
 use InvalidArgumentException;
-use Web3\Methods\IMethod;
-use Web3\Methods\JSONRPC;
+use Web3\Methods\EthMethod;
 use Web3\Formatters\AddressFormatter;
 use Web3\Formatters\StringFormatter;
 use Web3\Formatters\QuantityFormatter;
 
-class UnlockAccount extends JSONRPC implements IMethod
+class UnlockAccount extends EthMethod
 {
     /**
      * inputFormatters
@@ -41,10 +40,8 @@ class UnlockAccount extends JSONRPC implements IMethod
      * 
      * @var array
      */
-    private $defaultValues = [
-        'personal_unlockAccount' => [
-            2 => 300
-        ]
+    protected $defaultValues = [
+        2 => 300
     ];
 
     /**
@@ -58,59 +55,4 @@ class UnlockAccount extends JSONRPC implements IMethod
     // {
     //     parent::__construct($method, $arguments);
     // }
-
-    /**
-     * getInputFormatters
-     * 
-     * @return array
-     */
-    public function getInputFormatters()
-    {
-        return $this->inputFormatters;
-    }
-
-    /**
-     * getOutputFormatters
-     * 
-     * @return array
-     */
-    public function getOutputFormatters()
-    {
-        return $this->outputFormatters;
-    }
-
-    /**
-     * transform
-     * 
-     * @param array $params
-     * @param array $rules
-     * @return array
-     */
-    public function transform($params, $rules)
-    {
-        if (!is_array($params)) {
-            throw new InvalidArgumentException('Please use array params when call transform.');
-        }
-        if (!is_array($rules)) {
-            throw new InvalidArgumentException('Please use array rules when call transform.');
-        }
-        if (count($params) < count($rules)) {
-            if (!isset($this->defaultValues[$this->method])) {
-                throw new \InvalidArgumentException('The params are less than inputFormatters.');
-            }
-            $defaultValues = $this->defaultValues[$this->method];
-
-            foreach ($defaultValues as $key => $value) {
-                if (!isset($params[$key])) {
-                    $params[$key] = $value;
-                }
-            }
-        }
-        foreach ($params as $key => $param) {
-            if (isset($rules[$key])) {
-                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
-            }
-        }
-        return $params;
-    }
 }
\ No newline at end of file

From 32b494ea1b59f5c8a37de914e755dc6bf9a6ee20 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 18:21:02 +0800
Subject: [PATCH 24/36] Boolean formatter

---
 src/Formatters/BooleanFormatter.php | 33 +++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/Formatters/BooleanFormatter.php

diff --git a/src/Formatters/BooleanFormatter.php b/src/Formatters/BooleanFormatter.php
new file mode 100644
index 0000000..f6cd328
--- /dev/null
+++ b/src/Formatters/BooleanFormatter.php
@@ -0,0 +1,33 @@
+<?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\Formatters;
+
+use InvalidArgumentException;
+use Web3\Utils;
+use Web3\Formatters\IFormatter;
+
+class BooleanFormatter implements IFormatter
+{
+    /**
+     * format
+     * 
+     * @param mixed $value
+     * @return int
+     */
+    public static function format($value)
+    {
+        if (!is_bool($value)) {
+            throw new InvalidArgumentException('The value to inputFormat function must be boolean.');
+        }
+        return (int) $value;
+    }
+}
\ No newline at end of file

From 69eb1e87723b59d568587f274dfde0537e2c20cb Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 18:21:22 +0800
Subject: [PATCH 25/36] Eth methods

---
 src/Methods/Eth/Accounts.php                  | 51 ++++++++++++++++
 src/Methods/Eth/BlockNumber.php               | 51 ++++++++++++++++
 src/Methods/Eth/Call.php                      | 57 ++++++++++++++++++
 src/Methods/Eth/Coinbase.php                  | 51 ++++++++++++++++
 src/Methods/Eth/EstimateGas.php               | 54 +++++++++++++++++
 src/Methods/Eth/GasPrice.php                  | 51 ++++++++++++++++
 src/Methods/Eth/GetBalance.php                | 57 ++++++++++++++++++
 src/Methods/Eth/GetBlockByHash.php            | 55 ++++++++++++++++++
 src/Methods/Eth/GetBlockByNumber.php          | 55 ++++++++++++++++++
 .../Eth/GetBlockTransactionCountByHash.php    | 54 +++++++++++++++++
 .../Eth/GetBlockTransactionCountByNumber.php  | 56 ++++++++++++++++++
 src/Methods/Eth/GetCode.php                   | 57 ++++++++++++++++++
 src/Methods/Eth/GetStorageAt.php              | 58 +++++++++++++++++++
 .../Eth/GetTransactionByBlockHashAndIndex.php | 55 ++++++++++++++++++
 .../GetTransactionByBlockNumberAndIndex.php   | 55 ++++++++++++++++++
 src/Methods/Eth/GetTransactionByHash.php      | 54 +++++++++++++++++
 src/Methods/Eth/GetTransactionCount.php       | 57 ++++++++++++++++++
 src/Methods/Eth/GetUncleCountByBlockHash.php  | 54 +++++++++++++++++
 .../Eth/GetUncleCountByBlockNumber.php        | 56 ++++++++++++++++++
 src/Methods/Eth/Hashrate.php                  | 51 ++++++++++++++++
 src/Methods/Eth/Mining.php                    | 51 ++++++++++++++++
 src/Methods/Eth/ProtocolVersion.php           | 55 +++---------------
 src/Methods/Eth/SendRawTransaction.php        | 54 +++++++++++++++++
 src/Methods/Eth/SendTransaction.php           | 54 +++++++++++++++++
 src/Methods/Eth/Sign.php                      | 55 ++++++++++++++++++
 src/Methods/Eth/Syncing.php                   | 55 +++---------------
 26 files changed, 1321 insertions(+), 92 deletions(-)
 create mode 100644 src/Methods/Eth/Accounts.php
 create mode 100644 src/Methods/Eth/BlockNumber.php
 create mode 100644 src/Methods/Eth/Call.php
 create mode 100644 src/Methods/Eth/Coinbase.php
 create mode 100644 src/Methods/Eth/EstimateGas.php
 create mode 100644 src/Methods/Eth/GasPrice.php
 create mode 100644 src/Methods/Eth/GetBalance.php
 create mode 100644 src/Methods/Eth/GetBlockByHash.php
 create mode 100644 src/Methods/Eth/GetBlockByNumber.php
 create mode 100644 src/Methods/Eth/GetBlockTransactionCountByHash.php
 create mode 100644 src/Methods/Eth/GetBlockTransactionCountByNumber.php
 create mode 100644 src/Methods/Eth/GetCode.php
 create mode 100644 src/Methods/Eth/GetStorageAt.php
 create mode 100644 src/Methods/Eth/GetTransactionByBlockHashAndIndex.php
 create mode 100644 src/Methods/Eth/GetTransactionByBlockNumberAndIndex.php
 create mode 100644 src/Methods/Eth/GetTransactionByHash.php
 create mode 100644 src/Methods/Eth/GetTransactionCount.php
 create mode 100644 src/Methods/Eth/GetUncleCountByBlockHash.php
 create mode 100644 src/Methods/Eth/GetUncleCountByBlockNumber.php
 create mode 100644 src/Methods/Eth/Hashrate.php
 create mode 100644 src/Methods/Eth/Mining.php
 create mode 100644 src/Methods/Eth/SendRawTransaction.php
 create mode 100644 src/Methods/Eth/SendTransaction.php
 create mode 100644 src/Methods/Eth/Sign.php

diff --git a/src/Methods/Eth/Accounts.php b/src/Methods/Eth/Accounts.php
new file mode 100644
index 0000000..62b349b
--- /dev/null
+++ b/src/Methods/Eth/Accounts.php
@@ -0,0 +1,51 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+
+class Accounts extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/BlockNumber.php b/src/Methods/Eth/BlockNumber.php
new file mode 100644
index 0000000..da0db24
--- /dev/null
+++ b/src/Methods/Eth/BlockNumber.php
@@ -0,0 +1,51 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+
+class BlockNumber extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/Call.php b/src/Methods/Eth/Call.php
new file mode 100644
index 0000000..3ec10b1
--- /dev/null
+++ b/src/Methods/Eth/Call.php
@@ -0,0 +1,57 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\TransactionFormatter;
+use Web3\Formatters\OptionalQuantityFormatter;
+
+class Call extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        TransactionFormatter::class, OptionalQuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [
+        1 => 'latest'
+    ];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/Coinbase.php b/src/Methods/Eth/Coinbase.php
new file mode 100644
index 0000000..4ae5512
--- /dev/null
+++ b/src/Methods/Eth/Coinbase.php
@@ -0,0 +1,51 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+
+class Coinbase extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/EstimateGas.php b/src/Methods/Eth/EstimateGas.php
new file mode 100644
index 0000000..a11f80e
--- /dev/null
+++ b/src/Methods/Eth/EstimateGas.php
@@ -0,0 +1,54 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\TransactionFormatter;
+
+class EstimateGas extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        TransactionFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GasPrice.php b/src/Methods/Eth/GasPrice.php
new file mode 100644
index 0000000..430877e
--- /dev/null
+++ b/src/Methods/Eth/GasPrice.php
@@ -0,0 +1,51 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+
+class GasPrice extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetBalance.php b/src/Methods/Eth/GetBalance.php
new file mode 100644
index 0000000..ba4053a
--- /dev/null
+++ b/src/Methods/Eth/GetBalance.php
@@ -0,0 +1,57 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\AddressFormatter;
+use Web3\Formatters\OptionalQuantityFormatter;
+
+class GetBalance extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        AddressFormatter::class, OptionalQuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [
+        1 => 'latest'
+    ];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetBlockByHash.php b/src/Methods/Eth/GetBlockByHash.php
new file mode 100644
index 0000000..1eb9708
--- /dev/null
+++ b/src/Methods/Eth/GetBlockByHash.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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\HexFormatter;
+use Web3\Formatters\BooleanFormatter;
+
+class GetBlockByHash extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        HexFormatter::class, BooleanFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetBlockByNumber.php b/src/Methods/Eth/GetBlockByNumber.php
new file mode 100644
index 0000000..51cdc2d
--- /dev/null
+++ b/src/Methods/Eth/GetBlockByNumber.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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\OptionalQuantityFormatter;
+use Web3\Formatters\BooleanFormatter;
+
+class GetBlockByNumber extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        OptionalQuantityFormatter::class, BooleanFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetBlockTransactionCountByHash.php b/src/Methods/Eth/GetBlockTransactionCountByHash.php
new file mode 100644
index 0000000..b504bbb
--- /dev/null
+++ b/src/Methods/Eth/GetBlockTransactionCountByHash.php
@@ -0,0 +1,54 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\HexFormatter;
+
+class GetBlockTransactionCountByHash extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        HexFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetBlockTransactionCountByNumber.php b/src/Methods/Eth/GetBlockTransactionCountByNumber.php
new file mode 100644
index 0000000..b09312e
--- /dev/null
+++ b/src/Methods/Eth/GetBlockTransactionCountByNumber.php
@@ -0,0 +1,56 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\OptionalQuantityFormatter;
+
+class GetBlockTransactionCountByNumber extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        OptionalQuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [
+        'latest'
+    ];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetCode.php b/src/Methods/Eth/GetCode.php
new file mode 100644
index 0000000..425163c
--- /dev/null
+++ b/src/Methods/Eth/GetCode.php
@@ -0,0 +1,57 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\AddressFormatter;
+use Web3\Formatters\OptionalQuantityFormatter;
+
+class GetCode extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        AddressFormatter::class, OptionalQuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [
+        1 => 'latest'
+    ];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetStorageAt.php b/src/Methods/Eth/GetStorageAt.php
new file mode 100644
index 0000000..752f7bb
--- /dev/null
+++ b/src/Methods/Eth/GetStorageAt.php
@@ -0,0 +1,58 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\AddressFormatter;
+use Web3\Formatters\QuantityFormatter;
+use Web3\Formatters\OptionalQuantityFormatter;
+
+class GetStorageAt extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        AddressFormatter::class, QuantityFormatter::class, OptionalQuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [
+        2 => 'latest'
+    ];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetTransactionByBlockHashAndIndex.php b/src/Methods/Eth/GetTransactionByBlockHashAndIndex.php
new file mode 100644
index 0000000..5d67117
--- /dev/null
+++ b/src/Methods/Eth/GetTransactionByBlockHashAndIndex.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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\HexFormatter;
+use Web3\Formatters\QuantityFormatter;
+
+class GetTransactionByBlockHashAndIndex extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        HexFormatter::class, QuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetTransactionByBlockNumberAndIndex.php b/src/Methods/Eth/GetTransactionByBlockNumberAndIndex.php
new file mode 100644
index 0000000..f348948
--- /dev/null
+++ b/src/Methods/Eth/GetTransactionByBlockNumberAndIndex.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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\OptionalQuantityFormatter;
+use Web3\Formatters\QuantityFormatter;
+
+class GetTransactionByBlockNumberAndIndex extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        OptionalQuantityFormatter::class, QuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetTransactionByHash.php b/src/Methods/Eth/GetTransactionByHash.php
new file mode 100644
index 0000000..7413d31
--- /dev/null
+++ b/src/Methods/Eth/GetTransactionByHash.php
@@ -0,0 +1,54 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\HexFormatter;
+
+class GetTransactionByHash extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        HexFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetTransactionCount.php b/src/Methods/Eth/GetTransactionCount.php
new file mode 100644
index 0000000..233d9e0
--- /dev/null
+++ b/src/Methods/Eth/GetTransactionCount.php
@@ -0,0 +1,57 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\AddressFormatter;
+use Web3\Formatters\OptionalQuantityFormatter;
+
+class GetTransactionCount extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        AddressFormatter::class, OptionalQuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [
+        1 => 'latest'
+    ];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetUncleCountByBlockHash.php b/src/Methods/Eth/GetUncleCountByBlockHash.php
new file mode 100644
index 0000000..6cbde85
--- /dev/null
+++ b/src/Methods/Eth/GetUncleCountByBlockHash.php
@@ -0,0 +1,54 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\HexFormatter;
+
+class GetUncleCountByBlockHash extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        HexFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetUncleCountByBlockNumber.php b/src/Methods/Eth/GetUncleCountByBlockNumber.php
new file mode 100644
index 0000000..177610f
--- /dev/null
+++ b/src/Methods/Eth/GetUncleCountByBlockNumber.php
@@ -0,0 +1,56 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\OptionalQuantityFormatter;
+
+class GetUncleCountByBlockNumber extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        OptionalQuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [
+        'latest'
+    ];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/Hashrate.php b/src/Methods/Eth/Hashrate.php
new file mode 100644
index 0000000..3d49685
--- /dev/null
+++ b/src/Methods/Eth/Hashrate.php
@@ -0,0 +1,51 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+
+class Hashrate extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/Mining.php b/src/Methods/Eth/Mining.php
new file mode 100644
index 0000000..c7688e5
--- /dev/null
+++ b/src/Methods/Eth/Mining.php
@@ -0,0 +1,51 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+
+class Mining extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/ProtocolVersion.php b/src/Methods/Eth/ProtocolVersion.php
index 4d937f0..d95c624 100644
--- a/src/Methods/Eth/ProtocolVersion.php
+++ b/src/Methods/Eth/ProtocolVersion.php
@@ -12,11 +12,10 @@
 namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
-use Web3\Methods\IMethod;
-use Web3\Methods\JSONRPC;
+use Web3\Methods\EthMethod;
 use Web3\Formatters\BigNumberFormatter;
 
-class ProtocolVersion extends JSONRPC implements IMethod
+class ProtocolVersion extends EthMethod
 {
     /**
      * inputFormatters
@@ -34,6 +33,13 @@ class ProtocolVersion extends JSONRPC implements IMethod
         BigNumberFormatter::class
     ];
 
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
     /**
      * construct
      * 
@@ -45,47 +51,4 @@ class ProtocolVersion extends JSONRPC implements IMethod
     // {
     //     parent::__construct($method, $arguments);
     // }
-
-    /**
-     * getInputFormatters
-     * 
-     * @return array
-     */
-    public function getInputFormatters()
-    {
-        return $this->inputFormatters;
-    }
-
-    /**
-     * getOutputFormatters
-     * 
-     * @return array
-     */
-    public function getOutputFormatters()
-    {
-        return $this->outputFormatters;
-    }
-
-    /**
-     * transform
-     * 
-     * @param array $params
-     * @param array $rules
-     * @return array
-     */
-    public function transform($params, $rules)
-    {
-        if (!is_array($params)) {
-            throw new InvalidArgumentException('Please use array params when call transform.');
-        }
-        if (!is_array($rules)) {
-            throw new InvalidArgumentException('Please use array rules when call transform.');
-        }
-        foreach ($params as $key => $param) {
-            if (isset($rules[$key])) {
-                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
-            }
-        }
-        return $params;
-    }
 }
\ No newline at end of file
diff --git a/src/Methods/Eth/SendRawTransaction.php b/src/Methods/Eth/SendRawTransaction.php
new file mode 100644
index 0000000..9fcb742
--- /dev/null
+++ b/src/Methods/Eth/SendRawTransaction.php
@@ -0,0 +1,54 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\HexFormatter;
+
+class SendRawTransaction extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        HexFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/SendTransaction.php b/src/Methods/Eth/SendTransaction.php
new file mode 100644
index 0000000..4bbb576
--- /dev/null
+++ b/src/Methods/Eth/SendTransaction.php
@@ -0,0 +1,54 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\TransactionFormatter;
+
+class SendTransaction extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        TransactionFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/Sign.php b/src/Methods/Eth/Sign.php
new file mode 100644
index 0000000..dcc3c07
--- /dev/null
+++ b/src/Methods/Eth/Sign.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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Formatters\AddressFormatter;
+use Web3\Formatters\HexFormatter;
+
+class Sign extends EthMethod
+{
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        AddressFormatter::class, HexFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/Syncing.php b/src/Methods/Eth/Syncing.php
index 6192c4d..0628394 100644
--- a/src/Methods/Eth/Syncing.php
+++ b/src/Methods/Eth/Syncing.php
@@ -12,10 +12,9 @@
 namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
-use Web3\Methods\IMethod;
-use Web3\Methods\JSONRPC;
+use Web3\Methods\EthMethod;
 
-class Syncing extends JSONRPC implements IMethod
+class Syncing extends EthMethod
 {
     /**
      * inputFormatters
@@ -31,6 +30,13 @@ class Syncing extends JSONRPC implements IMethod
      */
     protected $outputFormatters = [];
 
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
     /**
      * construct
      * 
@@ -42,47 +48,4 @@ class Syncing extends JSONRPC implements IMethod
     // {
     //     parent::__construct($method, $arguments);
     // }
-
-    /**
-     * getInputFormatters
-     * 
-     * @return array
-     */
-    public function getInputFormatters()
-    {
-        return $this->inputFormatters;
-    }
-
-    /**
-     * getOutputFormatters
-     * 
-     * @return array
-     */
-    public function getOutputFormatters()
-    {
-        return $this->outputFormatters;
-    }
-
-    /**
-     * transform
-     * 
-     * @param array $params
-     * @param array $rules
-     * @return array
-     */
-    public function transform($params, $rules)
-    {
-        if (!is_array($params)) {
-            throw new InvalidArgumentException('Please use array params when call transform.');
-        }
-        if (!is_array($rules)) {
-            throw new InvalidArgumentException('Please use array rules when call transform.');
-        }
-        foreach ($params as $key => $param) {
-            if (isset($rules[$key])) {
-                $params[$key] = call_user_func([$rules[$key], 'format'], $param);
-            }
-        }
-        return $params;
-    }
 }
\ No newline at end of file

From 32bc7949fd31c7e66188a3f5bcd88311c333571e Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Thu, 11 Jan 2018 18:21:40 +0800
Subject: [PATCH 26/36] Eth

---
 src/Eth.php | 476 ++++++++++++++++------------------------------------
 1 file changed, 142 insertions(+), 334 deletions(-)

diff --git a/src/Eth.php b/src/Eth.php
index e97fad7..1a12b0e 100644
--- a/src/Eth.php
+++ b/src/Eth.php
@@ -41,303 +41,138 @@ class Eth
      * 
      * @var array
      */
-    private $methods = [
-        'eth_protocolVersion' => [],
-        'eth_syncing' => [],
-        'eth_coinbase' => [],
-        'eth_mining' => [],
-        'eth_hashrate' => [],
-        'eth_gasPrice' => [],
-        'eth_accounts' => [],
-        'eth_blockNumber' => [],
-        'eth_getBalance' => [
-            'params'=> [
-                [
-                    'validators' => AddressValidator::class,
-                ], [
-                    'default' => 'latest',
-                    'validators' => [
-                        TagValidator::class, QuantityValidator::class,
-                    ]
-                ]
-            ]
-        ],
-        'eth_getStorageAt' => [
-            'params'=> [
-                [
-                    'validators' => AddressValidator::class,
-                ], [
-                    'validators' => QuantityValidator::class,
-                ], [
-                    'default' => 'latest',
-                    'validators' => [
-                        TagValidator::class, QuantityValidator::class,
-                    ]
-                ],
-            ]
-        ],
-        'eth_getTransactionCount' => [
-            'params'=> [
-                [
-                    'validators' => AddressValidator::class,
-                ], [
-                    'default' => 'latest',
-                    'validators' => [
-                        TagValidator::class, QuantityValidator::class,
-                    ]
-                ],
-            ]
-        ],
-        'eth_getBlockTransactionCountByHash' => [
-            'params' => [
-                [
-                    'validators' => BlockHashValidator::class
-                ]
-            ]
-        ],
-        'eth_getBlockTransactionCountByNumber' => [
-            'params' => [
-                [
-                    'default' => 'latest',
-                    'validators' => [
-                        TagValidator::class, QuantityValidator::class,
-                    ]
-                ]
-            ]
-        ],
-        'eth_getUncleCountByBlockHash' => [
-            'params' => [
-                [
-                    'validators' => BlockHashValidator::class
-                ]
-            ]
-        ],
-        'eth_getUncleCountByBlockNumber' => [
-            'params' => [
-                [
-                    'default' => 'latest',
-                    'validators' => [
-                        TagValidator::class, QuantityValidator::class,
-                    ]
-                ]
-            ]
-        ],
-        'eth_getCode' => [
-            'params'=> [
-                [
-                    'validators' => AddressValidator::class,
-                ], [
-                    'default' => 'latest',
-                    'validators' => [
-                        TagValidator::class, QuantityValidator::class,
-                    ]
-                ],
-            ]
-        ],
-        'eth_sign' => [
-            'params'=> [
-                [
-                    'validators' => AddressValidator::class,
-                ], [
-                    'validators' => HexValidator::class
-                ],
-            ]
-        ],
-        'eth_sendTransaction' => [
-            'params' => [
-                [
-                    'validators' => TransactionValidator::class
-                ]
-            ]
-        ],
-        'eth_sendRawTransaction' => [
-            'params' => [
-                [
-                    'validators' => HexValidator::class
-                ]
-            ]
-        ],
-        'eth_call' => [
-            'params' => [
-                [
-                    'validators' => CallValidator::class
-                ], [
-                    'default' => 'latest',
-                    'validators' => [
-                        QuantityValidator::class, TagValidator::class
-                    ]
-                ]
-            ]
-        ],
-        'eth_estimateGas' => [
-            'params' => [
-                [
-                    'validators' => TransactionValidator::class
-                ]
-            ]
-        ],
-        'eth_getBlockByHash' => [
-            'params' => [
-                [
-                    'validators' => BlockHashValidator::class
-                ], [
-                    'validators' => BooleanValidator::class
-                ]
-            ]
-        ],
-        'eth_getBlockByNumber' => [
-            'params' => [
-                [
-                    'validators' => [
-                        QuantityValidator::class, TagValidator::class
-                    ]
-                ], [
-                    'validators' => BooleanValidator::class
-                ]
-            ]
-        ],
-        'eth_getTransactionByHash' => [
-            'params' => [
-                [
-                    'validators' => BlockHashValidator::class
-                ]
-            ]
-        ],
-        'eth_getTransactionByBlockHashAndIndex' => [
-            'params' => [
-                [
-                    'validators' => BlockHashValidator::class
-                ], [
-                    'validators' => QuantityValidator::class
-                ]
-            ]
-        ],
-        'eth_getTransactionByBlockNumberAndIndex' => [
-            'params' => [
-                [
-                    'validators' => [
-                        QuantityValidator::class, TagValidator::class
-                    ]
-                ], [
-                    'validators' => QuantityValidator::class
-                ]
-            ]
-        ],
-        'eth_getTransactionReceipt' => [
-            'params' => [
-                [
-                    'validators' => BlockHashValidator::class
-                ]
-            ]
-        ],
-        'eth_getUncleByBlockHashAndIndex' => [
-            'params' => [
-                [
-                    'validators' => BlockHashValidator::class
-                ], [
-                    'validators' => QuantityValidator::class
-                ]
-            ]
-        ],
-        'eth_getUncleByBlockNumberAndIndex' => [
-            'params' => [
-                [
-                    'validators' => [
-                        QuantityValidator::class, TagValidator::class
-                    ]
-                ], [
-                    'validators' => QuantityValidator::class
-                ]
-            ]
-        ],
-        'eth_getCompilers' => [],
-        'eth_compileSolidity' => [
-            'params' => [
-                [
-                    'validators' => StringValidator::class
-                ]
-            ]
-        ],
-        'eth_compileLLL' => [
-            'params' => [
-                [
-                    'validators' => StringValidator::class
-                ]
-            ]
-        ],
-        'eth_compileSerpent' => [
-            'params' => [
-                [
-                    'validators' => StringValidator::class
-                ]
-            ]
-        ],
-        'eth_newFilter' => [
-            'params' => [
-                [
-                    'validators' => FilterValidator::class
-                ]
-            ]
-        ],
-        'eth_newBlockFilter' => [
-            'params' => [
-                [
-                    'validators' => QuantityValidator::class
-                ]
-            ]
-        ],
-        'eth_newPendingTransactionFilter' => [],
-        'eth_uninstallFilter' => [
-            'params' => [
-                [
-                    'validators' => QuantityValidator::class
-                ]
-            ]
-        ],
-        'eth_getFilterChanges' => [
-            'params' => [
-                [
-                    'validators' => QuantityValidator::class
-                ]
-            ]
-        ],
-        'eth_getFilterLogs' => [
-            'params' => [
-                [
-                    'validators' => QuantityValidator::class
-                ]
-            ]
-        ],
-        'eth_getLogs' => [
-            'params' => [
-                [
-                    'validators' => FilterValidator::class
-                ]
-            ]
-        ],
-        'eth_getWork' => [],
-        'eth_submitWork' => [
-            'params' => [
-                [
-                    'validators' => NonceValidator::class
-                ], [
-                    'validators' => BlockHashValidator::class
-                ], [
-                    'validators' => BlockHashValidator::class
-                ]
-            ]
-        ],
-        'eth_submitHashrate' => [
-            'params' => [
-                [
-                    'validators' => BlockHashValidator::class
-                ], [
-                    'validators' => BlockHashValidator::class
-                ]
-            ]
-        ],
+    private $methods = [];
+
+    /**
+     * allowedMethods
+     * 
+     * @var array
+     */
+    private $allowedMethods = [
+        'eth_protocolVersion', 'eth_syncing', 'eth_coinbase', 'eth_mining', 'eth_hashrate', 'eth_gasPrice', 'eth_accounts', 'eth_blockNumber', 'eth_getBalance', 'eth_getStorageAt', 'eth_getTransactionCount', 'eth_getBlockTransactionCountByHash', 'eth_getBlockTransactionCountByNumber', 'eth_getUncleCountByBlockHash', 'eth_getUncleCountByBlockNumber', 'eth_getCode', 'eth_sign', 'eth_sendTransaction', 'eth_sendRawTransaction', 'eth_call', 'eth_estimateGas', 'eth_getBlockByHash', 'eth_getBlockByNumber', 'eth_getTransactionByHash', 'eth_getTransactionByBlockHashAndIndex', 'eth_getTransactionByBlockNumberAndIndex'
     ];
 
+    /**
+     * methods
+     * 
+     * @var array
+     */
+    // private $methods = [
+    //     'eth_getTransactionReceipt' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => BlockHashValidator::class
+    //             ]
+    //         ]
+    //     ],
+    //     'eth_getUncleByBlockHashAndIndex' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => BlockHashValidator::class
+    //             ], [
+    //                 'validators' => QuantityValidator::class
+    //             ]
+    //         ]
+    //     ],
+    //     'eth_getUncleByBlockNumberAndIndex' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => [
+    //                     QuantityValidator::class, TagValidator::class
+    //                 ]
+    //             ], [
+    //                 'validators' => QuantityValidator::class
+    //             ]
+    //         ]
+    //     ],
+    //     'eth_getCompilers' => [],
+    //     'eth_compileSolidity' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => StringValidator::class
+    //             ]
+    //         ]
+    //     ],
+    //     'eth_compileLLL' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => StringValidator::class
+    //             ]
+    //         ]
+    //     ],
+    //     'eth_compileSerpent' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => StringValidator::class
+    //             ]
+    //         ]
+    //     ],
+    //     'eth_newFilter' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => FilterValidator::class
+    //             ]
+    //         ]
+    //     ],
+    //     'eth_newBlockFilter' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => QuantityValidator::class
+    //             ]
+    //         ]
+    //     ],
+    //     'eth_newPendingTransactionFilter' => [],
+    //     'eth_uninstallFilter' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => QuantityValidator::class
+    //             ]
+    //         ]
+    //     ],
+    //     'eth_getFilterChanges' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => QuantityValidator::class
+    //             ]
+    //         ]
+    //     ],
+    //     'eth_getFilterLogs' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => QuantityValidator::class
+    //             ]
+    //         ]
+    //     ],
+    //     'eth_getLogs' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => FilterValidator::class
+    //             ]
+    //         ]
+    //     ],
+    //     'eth_getWork' => [],
+    //     'eth_submitWork' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => NonceValidator::class
+    //             ], [
+    //                 'validators' => BlockHashValidator::class
+    //             ], [
+    //                 'validators' => BlockHashValidator::class
+    //             ]
+    //         ]
+    //     ],
+    //     'eth_submitHashrate' => [
+    //         'params' => [
+    //             [
+    //                 'validators' => BlockHashValidator::class
+    //             ], [
+    //                 'validators' => BlockHashValidator::class
+    //             ]
+    //         ]
+    //     ],
+    // ];
+
     /**
      * construct
      *
@@ -376,11 +211,9 @@ class Eth
         if (preg_match('/^[a-zA-Z0-9]+$/', $name) === 1) {
             $method = strtolower($class[1]) . '_' . $name;
 
-            if (!array_key_exists($method, $this->methods)) {
+            if (!in_array($method, $this->allowedMethods)) {
                 throw new \RuntimeException('Unallowed rpc method: ' . $method);
             }
-            $allowedMethod = $this->methods[$method];
-
             if ($this->provider->isBatch) {
                 $callback = null;
             } else {
@@ -390,43 +223,18 @@ class Eth
                     throw new \InvalidArgumentException('The last param must be callback function.');
                 }
             }
-            if (isset($allowedMethod['params']) && is_array($allowedMethod['params'])) {
-                // validate params
-                foreach ($allowedMethod['params'] as $key => $param) {
-                    if (isset($param['validators'])) {
-                        if (is_array($param['validators'])) {
-                            $isError = true;
-
-                            foreach ($param['validators'] as $rule) {
-                                if (isset($arguments[$key])) {
-                                    if (call_user_func([$rule, 'validate'], $arguments[$key]) === true) {
-                                        $isError = false;
-                                        break;
-                                    }
-                                } else {
-                                    if (isset($param['default'])) {
-                                        $arguments[$key] = $param['default'];
-                                        $isError = false;
-                                        break;
-                                    }
-                                }
-                            }
-                            if ($isError === true) {
-                                throw new \RuntimeException('Wrong type of ' . $name . ' method argument ' . $key . '.');
-                            }
-                        } else {
-                            if (!isset($arguments[$key]) || call_user_func([$param['validators'], 'validate'], $arguments[$key]) === false) {
-                                if (isset($param['default']) && !isset($arguments[$key])) {
-                                    $arguments[$key] = $param['default'];
-                                } else {
-                                    throw new \RuntimeException('Wrong type of ' . $name . ' method argument ' . $key . '.');
-                                }
-                            }
-                        }
-                    }
-                }
+            if (!array_key_exists($method, $this->methods)) {
+                // new the method
+                $methodClass = sprintf("\Web3\Methods\%s\%s", ucfirst($class[1]), ucfirst($name));
+                $methodObject = new $methodClass($method, $arguments);
+                $this->methods[$method] = $methodObject;
+            } else {
+                $methodObject = $this->methods[$method];
             }
-            $this->provider->send($method, $arguments, $callback);
+            $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
+            $methodObject->arguments = $inputs;
+
+            $this->provider->send($methodObject, $callback);
         }
     }
 

From 2eefb14b6460775419566b0196926deb0d910b96 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 10:49:52 +0800
Subject: [PATCH 27/36] Validators.

---
 src/Methods/EthMethod.php | 48 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/src/Methods/EthMethod.php b/src/Methods/EthMethod.php
index e73e589..82ad760 100644
--- a/src/Methods/EthMethod.php
+++ b/src/Methods/EthMethod.php
@@ -12,11 +12,19 @@
 namespace Web3\Methods;
 
 use InvalidArgumentException;
+use RuntimeException;
 use Web3\Methods\IMethod;
 use Web3\Methods\JSONRPC;
 
 class EthMethod extends JSONRPC implements IMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 
@@ -70,6 +78,46 @@ class EthMethod extends JSONRPC implements IMethod
         return $this->outputFormatters;
     }
 
+    /**
+     * validate
+     * 
+     * @param array $params
+     * @return bool
+     */
+    public function validate($params)
+    {
+        if (!is_array($params)) {
+            throw new InvalidArgumentException('Please use array params when call validate.');
+        }
+        $rules = $this->validators;
+
+        if (count($params) < count($rules)) {
+            if (!isset($this->defaultValues) || empty($this->defaultValues)) {
+                throw new InvalidArgumentException('The params are less than validators.');
+            }
+            $defaultValues = $this->defaultValues;
+
+            foreach ($defaultValues as $key => $value) {
+                if (!isset($params[$key])) {
+                    $params[$key] = $value;
+                }
+
+            }
+        } elseif (count($params) > count($rules)) {
+            throw new InvalidArgumentException('The params are more than validators.');
+        }
+        foreach ($rules as $key => $rule) {
+            if (isset($params[$key])) {
+                if (call_user_func([$rule, 'validate'], $params[$key]) === false) {
+                    throw new RuntimeException('Wrong type of ' . $this->method . ' method argument ' . $key . '.');
+                }
+            } else {
+                throw new RuntimeException($this->method . ' method argument ' . $key . ' doesn\'t have default value.');
+            }
+        }
+        return true;
+    }
+
     /**
      * transform
      * 

From e6adbdd303281bfb5d6925464106c2a50ee9813e Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 10:51:25 +0800
Subject: [PATCH 28/36] Web3 apis and test.

---
 src/Methods/Web3/ClientVersion.php |  7 +++++++
 src/Methods/Web3/Sha3.php          | 10 ++++++++++
 src/Web3.php                       | 17 +++++++++++++----
 test/unit/Web3ApiTest.php          |  4 ++--
 test/unit/Web3BatchTest.php        | 24 ++++++++++++++++++++++++
 5 files changed, 56 insertions(+), 6 deletions(-)

diff --git a/src/Methods/Web3/ClientVersion.php b/src/Methods/Web3/ClientVersion.php
index 90f12fe..c119df1 100644
--- a/src/Methods/Web3/ClientVersion.php
+++ b/src/Methods/Web3/ClientVersion.php
@@ -16,6 +16,13 @@ use Web3\Methods\EthMethod;
 
 class ClientVersion extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Web3/Sha3.php b/src/Methods/Web3/Sha3.php
index c899f89..911aa26 100644
--- a/src/Methods/Web3/Sha3.php
+++ b/src/Methods/Web3/Sha3.php
@@ -14,9 +14,19 @@ namespace Web3\Methods\Web3;
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
 use Web3\Formatters\HexFormatter;
+use Web3\Validators\StringValidator;
 
 class Sha3 extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        StringValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Web3.php b/src/Web3.php
index d2b46fb..dcc792c 100644
--- a/src/Web3.php
+++ b/src/Web3.php
@@ -132,10 +132,19 @@ class Web3
             } else {
                 $methodObject = $this->methods[$method];
             }
-            $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
-            $methodObject->arguments = $inputs;
-
-            $this->provider->send($methodObject, $callback);
+            try {
+                if ($methodObject->validate($arguments)) {
+                    $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
+                    $methodObject->arguments = $inputs;
+                    $this->provider->send($methodObject, $callback);
+                }
+            } catch (\Exception $e) {
+                if (is_callable($callback) === true) {
+                    call_user_func($callback, $e, null);
+                } else {
+                    throw $e;
+                }
+            }
         }
     }
 
diff --git a/test/unit/Web3ApiTest.php b/test/unit/Web3ApiTest.php
index a46f504..c7c42fb 100644
--- a/test/unit/Web3ApiTest.php
+++ b/test/unit/Web3ApiTest.php
@@ -102,13 +102,13 @@ class Web3ApiTest extends TestCase
      */
     public function testWrongParam()
     {
-        $this->expectException(RuntimeException::class);
+        // $this->expectException(RuntimeException::class);
 
         $web3 = $this->web3;
 
         $web3->sha3($web3, function ($err, $hash) {
             if ($err !== null) {
-                return $this->fail($err->getMessage());
+                return $this->assertTrue($err instanceof RuntimeException);
             }
             $this->assertTrue(true);
         });
diff --git a/test/unit/Web3BatchTest.php b/test/unit/Web3BatchTest.php
index c96e93b..5edaf54 100644
--- a/test/unit/Web3BatchTest.php
+++ b/test/unit/Web3BatchTest.php
@@ -54,4 +54,28 @@ class Web3BatchTest extends TestCase
             $this->assertEquals($data[1], $this->testHash);
         });
     }
+
+    /**
+     * testWrongParam
+     * 
+     * @return void
+     */
+    public function testWrongParam()
+    {
+        $this->expectException(RuntimeException::class);
+
+        $web3 = $this->web3;
+
+        $web3->batch(true);
+        $web3->clientVersion();
+        $web3->sha3($web3);
+
+        $web3->provider->execute(function ($err, $data) {
+            if ($err !== null) {
+                return $this->fail('Got error!');
+            }
+            $this->assertTrue(is_string($data[0]));
+            $this->assertEquals($data[1], $this->testHash);
+        });
+    }
 }
\ No newline at end of file

From 819608d5101aa3bc222656a5c8b3c9e67f4543ba Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 11:05:25 +0800
Subject: [PATCH 29/36] Net apis.

---
 src/Methods/Net/Listening.php | 7 +++++++
 src/Methods/Net/PeerCount.php | 7 +++++++
 src/Methods/Net/Version.php   | 7 +++++++
 src/Net.php                   | 9 +++++----
 4 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/src/Methods/Net/Listening.php b/src/Methods/Net/Listening.php
index 2e9945c..8354358 100644
--- a/src/Methods/Net/Listening.php
+++ b/src/Methods/Net/Listening.php
@@ -16,6 +16,13 @@ use Web3\Methods\EthMethod;
 
 class Listening extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Net/PeerCount.php b/src/Methods/Net/PeerCount.php
index 1983dfe..85f6582 100644
--- a/src/Methods/Net/PeerCount.php
+++ b/src/Methods/Net/PeerCount.php
@@ -17,6 +17,13 @@ use Web3\Formatters\BigNumberFormatter;
 
 class PeerCount extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Net/Version.php b/src/Methods/Net/Version.php
index cf34149..f33f64c 100644
--- a/src/Methods/Net/Version.php
+++ b/src/Methods/Net/Version.php
@@ -16,6 +16,13 @@ use Web3\Methods\EthMethod;
 
 class Version extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Net.php b/src/Net.php
index cdc9290..6b52b2b 100644
--- a/src/Net.php
+++ b/src/Net.php
@@ -99,10 +99,11 @@ class Net
             } else {
                 $methodObject = $this->methods[$method];
             }
-            $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
-            $methodObject->arguments = $inputs;
-
-            $this->provider->send($methodObject, $callback);
+            if ($methodObject->validate($arguments)) {
+                $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
+                $methodObject->arguments = $inputs;
+                $this->provider->send($methodObject, $callback);
+            }
         }
     }
 

From 34647e7fdfd410536c113173520b4bf04ccc5467 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 11:07:36 +0800
Subject: [PATCH 30/36] Web3 apis.

---
 src/Web3.php              | 16 ++++------------
 test/unit/Web3ApiTest.php |  4 ++--
 2 files changed, 6 insertions(+), 14 deletions(-)

diff --git a/src/Web3.php b/src/Web3.php
index dcc792c..f659957 100644
--- a/src/Web3.php
+++ b/src/Web3.php
@@ -132,18 +132,10 @@ class Web3
             } else {
                 $methodObject = $this->methods[$method];
             }
-            try {
-                if ($methodObject->validate($arguments)) {
-                    $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
-                    $methodObject->arguments = $inputs;
-                    $this->provider->send($methodObject, $callback);
-                }
-            } catch (\Exception $e) {
-                if (is_callable($callback) === true) {
-                    call_user_func($callback, $e, null);
-                } else {
-                    throw $e;
-                }
+            if ($methodObject->validate($arguments)) {
+                $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
+                $methodObject->arguments = $inputs;
+                $this->provider->send($methodObject, $callback);
             }
         }
     }
diff --git a/test/unit/Web3ApiTest.php b/test/unit/Web3ApiTest.php
index c7c42fb..a46f504 100644
--- a/test/unit/Web3ApiTest.php
+++ b/test/unit/Web3ApiTest.php
@@ -102,13 +102,13 @@ class Web3ApiTest extends TestCase
      */
     public function testWrongParam()
     {
-        // $this->expectException(RuntimeException::class);
+        $this->expectException(RuntimeException::class);
 
         $web3 = $this->web3;
 
         $web3->sha3($web3, function ($err, $hash) {
             if ($err !== null) {
-                return $this->assertTrue($err instanceof RuntimeException);
+                return $this->fail($err->getMessage());
             }
             $this->assertTrue(true);
         });

From cf5288774cac1060cc2da7660c8db28b609abda0 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 11:11:09 +0800
Subject: [PATCH 31/36] Personal apis.

---
 src/Methods/Personal/ListAccounts.php    |  7 +++++++
 src/Methods/Personal/NewAccount.php      | 10 ++++++++++
 src/Methods/Personal/SendTransaction.php | 11 +++++++++++
 src/Methods/Personal/UnlockAccount.php   | 12 ++++++++++++
 src/Personal.php                         |  9 +++++----
 test/unit/PersonalBatchTest.php          | 24 ++++++++++++++++++++++++
 6 files changed, 69 insertions(+), 4 deletions(-)

diff --git a/src/Methods/Personal/ListAccounts.php b/src/Methods/Personal/ListAccounts.php
index 9bc4e15..a742767 100644
--- a/src/Methods/Personal/ListAccounts.php
+++ b/src/Methods/Personal/ListAccounts.php
@@ -16,6 +16,13 @@ use Web3\Methods\EthMethod;
 
 class ListAccounts extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Personal/NewAccount.php b/src/Methods/Personal/NewAccount.php
index 3043276..7af5fa6 100644
--- a/src/Methods/Personal/NewAccount.php
+++ b/src/Methods/Personal/NewAccount.php
@@ -13,10 +13,20 @@ namespace Web3\Methods\Personal;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\StringValidator;
 use Web3\Formatters\StringFormatter;
 
 class NewAccount extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        StringValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Personal/SendTransaction.php b/src/Methods/Personal/SendTransaction.php
index f49c5c8..733f1fb 100644
--- a/src/Methods/Personal/SendTransaction.php
+++ b/src/Methods/Personal/SendTransaction.php
@@ -13,11 +13,22 @@ namespace Web3\Methods\Personal;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\TransactionValidator;
+use Web3\Validators\StringValidator;
 use Web3\Formatters\TransactionFormatter;
 use Web3\Formatters\StringFormatter;
 
 class SendTransaction extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        TransactionValidator::class, StringValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Personal/UnlockAccount.php b/src/Methods/Personal/UnlockAccount.php
index 5a0568c..0e2155d 100644
--- a/src/Methods/Personal/UnlockAccount.php
+++ b/src/Methods/Personal/UnlockAccount.php
@@ -13,12 +13,24 @@ namespace Web3\Methods\Personal;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\AddressValidator;
+use Web3\Validators\StringValidator;
+use Web3\Validators\QuantityValidator;
 use Web3\Formatters\AddressFormatter;
 use Web3\Formatters\StringFormatter;
 use Web3\Formatters\QuantityFormatter;
 
 class UnlockAccount extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        AddressValidator::class, StringValidator::class, QuantityValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Personal.php b/src/Personal.php
index 5563581..44f09b5 100644
--- a/src/Personal.php
+++ b/src/Personal.php
@@ -103,10 +103,11 @@ class Personal
             } else {
                 $methodObject = $this->methods[$method];
             }
-            $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
-            $methodObject->arguments = $inputs;
-
-            $this->provider->send($methodObject, $callback);
+            if ($methodObject->validate($arguments)) {
+                $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
+                $methodObject->arguments = $inputs;
+                $this->provider->send($methodObject, $callback);
+            }
         }
     }
 
diff --git a/test/unit/PersonalBatchTest.php b/test/unit/PersonalBatchTest.php
index d15dba8..0c21cec 100644
--- a/test/unit/PersonalBatchTest.php
+++ b/test/unit/PersonalBatchTest.php
@@ -47,4 +47,28 @@ class PersonalBatchTest extends TestCase
             $this->assertTrue(is_string($data[1]));
         });
     }
+
+    /**
+     * testWrongParam
+     * 
+     * @return void
+     */
+    public function testWrongParam()
+    {
+        $this->expectException(RuntimeException::class);
+
+        $personal = $this->personal;
+
+        $personal->batch(true);
+        $personal->listAccounts();
+        $personal->newAccount($personal);
+
+        $personal->provider->execute(function ($err, $data) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            $this->assertTrue(is_string($data[0]));
+            $this->assertEquals($data[1], $this->testHash);
+        });
+    }
 }
\ No newline at end of file

From 1513023aab79eb74122338b467dd77637d82f12d Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 12:11:33 +0800
Subject: [PATCH 32/36] Eth apis.

---
 src/Eth.php                                   | 123 +-----------------
 src/Methods/Eth/Accounts.php                  |   7 +
 src/Methods/Eth/BlockNumber.php               |   7 +
 src/Methods/Eth/Call.php                      |  14 ++
 src/Methods/Eth/Coinbase.php                  |   7 +
 src/Methods/Eth/CompileLLL.php                |  64 +++++++++
 src/Methods/Eth/CompileSerpent.php            |  64 +++++++++
 src/Methods/Eth/CompileSolidity.php           |  64 +++++++++
 src/Methods/Eth/EstimateGas.php               |  10 ++
 src/Methods/Eth/GasPrice.php                  |   7 +
 src/Methods/Eth/GetBalance.php                |  14 ++
 src/Methods/Eth/GetBlockByHash.php            |  11 ++
 src/Methods/Eth/GetBlockByNumber.php          |  11 ++
 .../Eth/GetBlockTransactionCountByHash.php    |  10 ++
 .../Eth/GetBlockTransactionCountByNumber.php  |  10 ++
 src/Methods/Eth/GetCode.php                   |  14 ++
 src/Methods/Eth/GetCompilers.php              |  58 +++++++++
 src/Methods/Eth/GetFilterChanges.php          |  64 +++++++++
 src/Methods/Eth/GetFilterLogs.php             |  64 +++++++++
 src/Methods/Eth/GetLogs.php                   |  61 +++++++++
 src/Methods/Eth/GetStorageAt.php              |  14 ++
 .../Eth/GetTransactionByBlockHashAndIndex.php |  11 ++
 .../GetTransactionByBlockNumberAndIndex.php   |  13 ++
 src/Methods/Eth/GetTransactionByHash.php      |  10 ++
 src/Methods/Eth/GetTransactionCount.php       |  14 ++
 src/Methods/Eth/GetTransactionReceipt.php     |  64 +++++++++
 .../Eth/GetUncleByBlockHashAndIndex.php       |  66 ++++++++++
 .../Eth/GetUncleByBlockNumberAndIndex.php     |  68 ++++++++++
 src/Methods/Eth/GetUncleCountByBlockHash.php  |  10 ++
 .../Eth/GetUncleCountByBlockNumber.php        |  13 ++
 src/Methods/Eth/GetWork.php                   |  58 +++++++++
 src/Methods/Eth/Hashrate.php                  |   7 +
 src/Methods/Eth/Mining.php                    |   7 +
 src/Methods/Eth/NewBlockFilter.php            |  64 +++++++++
 src/Methods/Eth/NewFilter.php                 |  61 +++++++++
 .../Eth/NewPendingTransactionFilter.php       |  58 +++++++++
 src/Methods/Eth/ProtocolVersion.php           |   7 +
 src/Methods/Eth/SendRawTransaction.php        |  10 ++
 src/Methods/Eth/SendTransaction.php           |  10 ++
 src/Methods/Eth/Sign.php                      |  11 ++
 src/Methods/Eth/SubmitHashrate.php            |  61 +++++++++
 src/Methods/Eth/SubmitWork.php                |  65 +++++++++
 src/Methods/Eth/Syncing.php                   |   7 +
 src/Methods/Eth/UninstallFilter.php           |  64 +++++++++
 test/unit/EthApiTest.php                      |   3 +-
 45 files changed, 1337 insertions(+), 123 deletions(-)
 create mode 100644 src/Methods/Eth/CompileLLL.php
 create mode 100644 src/Methods/Eth/CompileSerpent.php
 create mode 100644 src/Methods/Eth/CompileSolidity.php
 create mode 100644 src/Methods/Eth/GetCompilers.php
 create mode 100644 src/Methods/Eth/GetFilterChanges.php
 create mode 100644 src/Methods/Eth/GetFilterLogs.php
 create mode 100644 src/Methods/Eth/GetLogs.php
 create mode 100644 src/Methods/Eth/GetTransactionReceipt.php
 create mode 100644 src/Methods/Eth/GetUncleByBlockHashAndIndex.php
 create mode 100644 src/Methods/Eth/GetUncleByBlockNumberAndIndex.php
 create mode 100644 src/Methods/Eth/GetWork.php
 create mode 100644 src/Methods/Eth/NewBlockFilter.php
 create mode 100644 src/Methods/Eth/NewFilter.php
 create mode 100644 src/Methods/Eth/NewPendingTransactionFilter.php
 create mode 100644 src/Methods/Eth/SubmitHashrate.php
 create mode 100644 src/Methods/Eth/SubmitWork.php
 create mode 100644 src/Methods/Eth/UninstallFilter.php

diff --git a/src/Eth.php b/src/Eth.php
index 1a12b0e..ac6f39c 100644
--- a/src/Eth.php
+++ b/src/Eth.php
@@ -49,130 +49,9 @@ class Eth
      * @var array
      */
     private $allowedMethods = [
-        'eth_protocolVersion', 'eth_syncing', 'eth_coinbase', 'eth_mining', 'eth_hashrate', 'eth_gasPrice', 'eth_accounts', 'eth_blockNumber', 'eth_getBalance', 'eth_getStorageAt', 'eth_getTransactionCount', 'eth_getBlockTransactionCountByHash', 'eth_getBlockTransactionCountByNumber', 'eth_getUncleCountByBlockHash', 'eth_getUncleCountByBlockNumber', 'eth_getCode', 'eth_sign', 'eth_sendTransaction', 'eth_sendRawTransaction', 'eth_call', 'eth_estimateGas', 'eth_getBlockByHash', 'eth_getBlockByNumber', 'eth_getTransactionByHash', 'eth_getTransactionByBlockHashAndIndex', 'eth_getTransactionByBlockNumberAndIndex'
+        'eth_protocolVersion', 'eth_syncing', 'eth_coinbase', 'eth_mining', 'eth_hashrate', 'eth_gasPrice', 'eth_accounts', 'eth_blockNumber', 'eth_getBalance', 'eth_getStorageAt', 'eth_getTransactionCount', 'eth_getBlockTransactionCountByHash', 'eth_getBlockTransactionCountByNumber', 'eth_getUncleCountByBlockHash', 'eth_getUncleCountByBlockNumber', 'eth_getUncleByBlockHashAndIndex', 'eth_getUncleByBlockNumberAndIndex', 'eth_getCode', 'eth_sign', 'eth_sendTransaction', 'eth_sendRawTransaction', 'eth_call', 'eth_estimateGas', 'eth_getBlockByHash', 'eth_getBlockByNumber', 'eth_getTransactionByHash', 'eth_getTransactionByBlockHashAndIndex', 'eth_getTransactionByBlockNumberAndIndex', 'eth_getTransactionReceipt', 'eth_getCompilers', 'eth_compileSolidity', 'eth_compileLLL', 'eth_compileSerpent', 'eth_getWork', 'eth_newFilter', 'eth_newBlockFilter', 'eth_newPendingTransactionFilter', 'eth_uninstallFilter', 'eth_getFilterChanges', 'eth_getFilterLogs', 'eth_getLogs', 'eth_submitWork', 'eth_submitHashrate'
     ];
 
-    /**
-     * methods
-     * 
-     * @var array
-     */
-    // private $methods = [
-    //     'eth_getTransactionReceipt' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => BlockHashValidator::class
-    //             ]
-    //         ]
-    //     ],
-    //     'eth_getUncleByBlockHashAndIndex' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => BlockHashValidator::class
-    //             ], [
-    //                 'validators' => QuantityValidator::class
-    //             ]
-    //         ]
-    //     ],
-    //     'eth_getUncleByBlockNumberAndIndex' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => [
-    //                     QuantityValidator::class, TagValidator::class
-    //                 ]
-    //             ], [
-    //                 'validators' => QuantityValidator::class
-    //             ]
-    //         ]
-    //     ],
-    //     'eth_getCompilers' => [],
-    //     'eth_compileSolidity' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => StringValidator::class
-    //             ]
-    //         ]
-    //     ],
-    //     'eth_compileLLL' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => StringValidator::class
-    //             ]
-    //         ]
-    //     ],
-    //     'eth_compileSerpent' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => StringValidator::class
-    //             ]
-    //         ]
-    //     ],
-    //     'eth_newFilter' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => FilterValidator::class
-    //             ]
-    //         ]
-    //     ],
-    //     'eth_newBlockFilter' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => QuantityValidator::class
-    //             ]
-    //         ]
-    //     ],
-    //     'eth_newPendingTransactionFilter' => [],
-    //     'eth_uninstallFilter' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => QuantityValidator::class
-    //             ]
-    //         ]
-    //     ],
-    //     'eth_getFilterChanges' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => QuantityValidator::class
-    //             ]
-    //         ]
-    //     ],
-    //     'eth_getFilterLogs' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => QuantityValidator::class
-    //             ]
-    //         ]
-    //     ],
-    //     'eth_getLogs' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => FilterValidator::class
-    //             ]
-    //         ]
-    //     ],
-    //     'eth_getWork' => [],
-    //     'eth_submitWork' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => NonceValidator::class
-    //             ], [
-    //                 'validators' => BlockHashValidator::class
-    //             ], [
-    //                 'validators' => BlockHashValidator::class
-    //             ]
-    //         ]
-    //     ],
-    //     'eth_submitHashrate' => [
-    //         'params' => [
-    //             [
-    //                 'validators' => BlockHashValidator::class
-    //             ], [
-    //                 'validators' => BlockHashValidator::class
-    //             ]
-    //         ]
-    //     ],
-    // ];
-
     /**
      * construct
      *
diff --git a/src/Methods/Eth/Accounts.php b/src/Methods/Eth/Accounts.php
index 62b349b..4b75220 100644
--- a/src/Methods/Eth/Accounts.php
+++ b/src/Methods/Eth/Accounts.php
@@ -16,6 +16,13 @@ use Web3\Methods\EthMethod;
 
 class Accounts extends EthMethod
 {
+  /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/BlockNumber.php b/src/Methods/Eth/BlockNumber.php
index da0db24..f402239 100644
--- a/src/Methods/Eth/BlockNumber.php
+++ b/src/Methods/Eth/BlockNumber.php
@@ -16,6 +16,13 @@ use Web3\Methods\EthMethod;
 
 class BlockNumber extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/Call.php b/src/Methods/Eth/Call.php
index 3ec10b1..6a605e5 100644
--- a/src/Methods/Eth/Call.php
+++ b/src/Methods/Eth/Call.php
@@ -13,11 +13,25 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\TagValidator;
+use Web3\Validators\QuantityValidator;
+use Web3\Validators\CallValidator;
 use Web3\Formatters\TransactionFormatter;
 use Web3\Formatters\OptionalQuantityFormatter;
 
 class Call extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        CallValidator::class, [
+            TagValidator::class, QuantityValidator::class
+        ]
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/Coinbase.php b/src/Methods/Eth/Coinbase.php
index 4ae5512..47027b1 100644
--- a/src/Methods/Eth/Coinbase.php
+++ b/src/Methods/Eth/Coinbase.php
@@ -16,6 +16,13 @@ use Web3\Methods\EthMethod;
 
 class Coinbase extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+    
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/CompileLLL.php b/src/Methods/Eth/CompileLLL.php
new file mode 100644
index 0000000..69d33f6
--- /dev/null
+++ b/src/Methods/Eth/CompileLLL.php
@@ -0,0 +1,64 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\StringValidator;
+use Web3\Formatters\StringFormatter;
+
+class CompileLLL extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        StringValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        StringFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/CompileSerpent.php b/src/Methods/Eth/CompileSerpent.php
new file mode 100644
index 0000000..39b105d
--- /dev/null
+++ b/src/Methods/Eth/CompileSerpent.php
@@ -0,0 +1,64 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\StringValidator;
+use Web3\Formatters\StringFormatter;
+
+class CompileSerpent extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        StringValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        StringFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/CompileSolidity.php b/src/Methods/Eth/CompileSolidity.php
new file mode 100644
index 0000000..05de3c0
--- /dev/null
+++ b/src/Methods/Eth/CompileSolidity.php
@@ -0,0 +1,64 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\StringValidator;
+use Web3\Formatters\StringFormatter;
+
+class CompileSolidity extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        StringValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        StringFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/EstimateGas.php b/src/Methods/Eth/EstimateGas.php
index a11f80e..63b10c7 100644
--- a/src/Methods/Eth/EstimateGas.php
+++ b/src/Methods/Eth/EstimateGas.php
@@ -13,10 +13,20 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\TransactionValidator;
 use Web3\Formatters\TransactionFormatter;
 
 class EstimateGas extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        TransactionValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GasPrice.php b/src/Methods/Eth/GasPrice.php
index 430877e..8bef5d4 100644
--- a/src/Methods/Eth/GasPrice.php
+++ b/src/Methods/Eth/GasPrice.php
@@ -16,6 +16,13 @@ use Web3\Methods\EthMethod;
 
 class GasPrice extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetBalance.php b/src/Methods/Eth/GetBalance.php
index ba4053a..793dad4 100644
--- a/src/Methods/Eth/GetBalance.php
+++ b/src/Methods/Eth/GetBalance.php
@@ -13,11 +13,25 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\TagValidator;
+use Web3\Validators\QuantityValidator;
+use Web3\Validators\AddressValidator;
 use Web3\Formatters\AddressFormatter;
 use Web3\Formatters\OptionalQuantityFormatter;
 
 class GetBalance extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        AddressValidator::class, [
+            TagValidator::class, QuantityValidator::class
+        ]
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetBlockByHash.php b/src/Methods/Eth/GetBlockByHash.php
index 1eb9708..f81eafd 100644
--- a/src/Methods/Eth/GetBlockByHash.php
+++ b/src/Methods/Eth/GetBlockByHash.php
@@ -13,11 +13,22 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\BlockHashValidator;
+use Web3\Validators\BooleanValidator;
 use Web3\Formatters\HexFormatter;
 use Web3\Formatters\BooleanFormatter;
 
 class GetBlockByHash extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        BlockHashValidator::class, BooleanValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetBlockByNumber.php b/src/Methods/Eth/GetBlockByNumber.php
index 51cdc2d..fecb5aa 100644
--- a/src/Methods/Eth/GetBlockByNumber.php
+++ b/src/Methods/Eth/GetBlockByNumber.php
@@ -13,11 +13,22 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\QuantityValidator;
+use Web3\Validators\BooleanValidator;
 use Web3\Formatters\OptionalQuantityFormatter;
 use Web3\Formatters\BooleanFormatter;
 
 class GetBlockByNumber extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        QuantityValidator::class, BooleanValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetBlockTransactionCountByHash.php b/src/Methods/Eth/GetBlockTransactionCountByHash.php
index b504bbb..259e160 100644
--- a/src/Methods/Eth/GetBlockTransactionCountByHash.php
+++ b/src/Methods/Eth/GetBlockTransactionCountByHash.php
@@ -13,10 +13,20 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\BlockHashValidator;
 use Web3\Formatters\HexFormatter;
 
 class GetBlockTransactionCountByHash extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        BlockHashValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetBlockTransactionCountByNumber.php b/src/Methods/Eth/GetBlockTransactionCountByNumber.php
index b09312e..064ff08 100644
--- a/src/Methods/Eth/GetBlockTransactionCountByNumber.php
+++ b/src/Methods/Eth/GetBlockTransactionCountByNumber.php
@@ -13,10 +13,20 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\QuantityValidator;
 use Web3\Formatters\OptionalQuantityFormatter;
 
 class GetBlockTransactionCountByNumber extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        QuantityValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetCode.php b/src/Methods/Eth/GetCode.php
index 425163c..35db4aa 100644
--- a/src/Methods/Eth/GetCode.php
+++ b/src/Methods/Eth/GetCode.php
@@ -13,11 +13,25 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\TagValidator;
+use Web3\Validators\QuantityValidator;
+use Web3\Validators\AddressValidator;
 use Web3\Formatters\AddressFormatter;
 use Web3\Formatters\OptionalQuantityFormatter;
 
 class GetCode extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        AddressValidator::class, [
+            TagValidator::class, QuantityValidator::class
+        ]
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetCompilers.php b/src/Methods/Eth/GetCompilers.php
new file mode 100644
index 0000000..0f6cfb4
--- /dev/null
+++ b/src/Methods/Eth/GetCompilers.php
@@ -0,0 +1,58 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+
+class GetCompilers extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetFilterChanges.php b/src/Methods/Eth/GetFilterChanges.php
new file mode 100644
index 0000000..c3534bb
--- /dev/null
+++ b/src/Methods/Eth/GetFilterChanges.php
@@ -0,0 +1,64 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\QuantityValidator;
+use Web3\Formatters\QuantityFormatter;
+
+class GetFilterChanges extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        QuantityValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        QuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetFilterLogs.php b/src/Methods/Eth/GetFilterLogs.php
new file mode 100644
index 0000000..71d9de8
--- /dev/null
+++ b/src/Methods/Eth/GetFilterLogs.php
@@ -0,0 +1,64 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\QuantityValidator;
+use Web3\Formatters\QuantityFormatter;
+
+class GetFilterLogs extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        QuantityValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        QuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetLogs.php b/src/Methods/Eth/GetLogs.php
new file mode 100644
index 0000000..a068ebd
--- /dev/null
+++ b/src/Methods/Eth/GetLogs.php
@@ -0,0 +1,61 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\FilterValidator;
+
+class GetLogs extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        FilterValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetStorageAt.php b/src/Methods/Eth/GetStorageAt.php
index 752f7bb..2d6b8da 100644
--- a/src/Methods/Eth/GetStorageAt.php
+++ b/src/Methods/Eth/GetStorageAt.php
@@ -13,12 +13,26 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\TagValidator;
+use Web3\Validators\QuantityValidator;
+use Web3\Validators\AddressValidator;
 use Web3\Formatters\AddressFormatter;
 use Web3\Formatters\QuantityFormatter;
 use Web3\Formatters\OptionalQuantityFormatter;
 
 class GetStorageAt extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        AddressValidator::class, QuantityValidator::class, [
+            TagValidator::class, QuantityValidator::class
+        ]
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetTransactionByBlockHashAndIndex.php b/src/Methods/Eth/GetTransactionByBlockHashAndIndex.php
index 5d67117..4aecba9 100644
--- a/src/Methods/Eth/GetTransactionByBlockHashAndIndex.php
+++ b/src/Methods/Eth/GetTransactionByBlockHashAndIndex.php
@@ -13,11 +13,22 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\BlockHashValidator;
+use Web3\Validators\QuantityValidator;
 use Web3\Formatters\HexFormatter;
 use Web3\Formatters\QuantityFormatter;
 
 class GetTransactionByBlockHashAndIndex extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        BlockHashValidator::class, QuantityValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetTransactionByBlockNumberAndIndex.php b/src/Methods/Eth/GetTransactionByBlockNumberAndIndex.php
index f348948..5ec7e81 100644
--- a/src/Methods/Eth/GetTransactionByBlockNumberAndIndex.php
+++ b/src/Methods/Eth/GetTransactionByBlockNumberAndIndex.php
@@ -13,11 +13,24 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\TagValidator;
+use Web3\Validators\QuantityValidator;
 use Web3\Formatters\OptionalQuantityFormatter;
 use Web3\Formatters\QuantityFormatter;
 
 class GetTransactionByBlockNumberAndIndex extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        [
+            TagValidator::class, QuantityValidator::class
+        ], QuantityValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetTransactionByHash.php b/src/Methods/Eth/GetTransactionByHash.php
index 7413d31..8d5c60a 100644
--- a/src/Methods/Eth/GetTransactionByHash.php
+++ b/src/Methods/Eth/GetTransactionByHash.php
@@ -13,10 +13,20 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\BlockHashValidator;
 use Web3\Formatters\HexFormatter;
 
 class GetTransactionByHash extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        BlockHashValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetTransactionCount.php b/src/Methods/Eth/GetTransactionCount.php
index 233d9e0..6c16d7c 100644
--- a/src/Methods/Eth/GetTransactionCount.php
+++ b/src/Methods/Eth/GetTransactionCount.php
@@ -13,11 +13,25 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\TagValidator;
+use Web3\Validators\QuantityValidator;
+use Web3\Validators\AddressValidator;
 use Web3\Formatters\AddressFormatter;
 use Web3\Formatters\OptionalQuantityFormatter;
 
 class GetTransactionCount extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        AddressValidator::class, [
+            TagValidator::class, QuantityValidator::class
+        ]
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetTransactionReceipt.php b/src/Methods/Eth/GetTransactionReceipt.php
new file mode 100644
index 0000000..6cd1fdf
--- /dev/null
+++ b/src/Methods/Eth/GetTransactionReceipt.php
@@ -0,0 +1,64 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\BlockHashValidator;
+use Web3\Formatters\HexFormatter;
+
+class GetTransactionReceipt extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        BlockHashValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        HexFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetUncleByBlockHashAndIndex.php b/src/Methods/Eth/GetUncleByBlockHashAndIndex.php
new file mode 100644
index 0000000..28c5d6d
--- /dev/null
+++ b/src/Methods/Eth/GetUncleByBlockHashAndIndex.php
@@ -0,0 +1,66 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\BlockHashValidator;
+use Web3\Validators\QuantityValidator;
+use Web3\Formatters\HexFormatter;
+use Web3\Formatters\QuantityFormatter;
+
+class GetUncleByBlockHashAndIndex extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        BlockHashValidator::class, QuantityValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        HexFormatter::class, QuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetUncleByBlockNumberAndIndex.php b/src/Methods/Eth/GetUncleByBlockNumberAndIndex.php
new file mode 100644
index 0000000..1b4e21b
--- /dev/null
+++ b/src/Methods/Eth/GetUncleByBlockNumberAndIndex.php
@@ -0,0 +1,68 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\TagValidator;
+use Web3\Validators\QuantityValidator;
+use Web3\Formatters\OptionalQuantityFormatter;
+use Web3\Formatters\QuantityFormatter;
+
+class GetUncleByBlockNumberAndIndex extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        [
+            TagValidator::class, QuantityValidator::class
+        ], QuantityValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        OptionalQuantityFormatter::class, QuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/GetUncleCountByBlockHash.php b/src/Methods/Eth/GetUncleCountByBlockHash.php
index 6cbde85..33da325 100644
--- a/src/Methods/Eth/GetUncleCountByBlockHash.php
+++ b/src/Methods/Eth/GetUncleCountByBlockHash.php
@@ -13,10 +13,20 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\BlockHashValidator;
 use Web3\Formatters\HexFormatter;
 
 class GetUncleCountByBlockHash extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        BlockHashValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetUncleCountByBlockNumber.php b/src/Methods/Eth/GetUncleCountByBlockNumber.php
index 177610f..5cb5569 100644
--- a/src/Methods/Eth/GetUncleCountByBlockNumber.php
+++ b/src/Methods/Eth/GetUncleCountByBlockNumber.php
@@ -13,10 +13,23 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\TagValidator;
+use Web3\Validators\QuantityValidator;
 use Web3\Formatters\OptionalQuantityFormatter;
 
 class GetUncleCountByBlockNumber extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        [
+            TagValidator::class, QuantityValidator::class
+        ]
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/GetWork.php b/src/Methods/Eth/GetWork.php
new file mode 100644
index 0000000..092edba
--- /dev/null
+++ b/src/Methods/Eth/GetWork.php
@@ -0,0 +1,58 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+
+class GetWork extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/Hashrate.php b/src/Methods/Eth/Hashrate.php
index 3d49685..a08d6ab 100644
--- a/src/Methods/Eth/Hashrate.php
+++ b/src/Methods/Eth/Hashrate.php
@@ -16,6 +16,13 @@ use Web3\Methods\EthMethod;
 
 class Hashrate extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+    
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/Mining.php b/src/Methods/Eth/Mining.php
index c7688e5..71c22f3 100644
--- a/src/Methods/Eth/Mining.php
+++ b/src/Methods/Eth/Mining.php
@@ -16,6 +16,13 @@ use Web3\Methods\EthMethod;
 
 class Mining extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+    
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/NewBlockFilter.php b/src/Methods/Eth/NewBlockFilter.php
new file mode 100644
index 0000000..863ce2c
--- /dev/null
+++ b/src/Methods/Eth/NewBlockFilter.php
@@ -0,0 +1,64 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\QuantityValidator;
+use Web3\Formatters\QuantityFormatter;
+
+class NewBlockFilter extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        QuantityValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        QuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/NewFilter.php b/src/Methods/Eth/NewFilter.php
new file mode 100644
index 0000000..17e3a09
--- /dev/null
+++ b/src/Methods/Eth/NewFilter.php
@@ -0,0 +1,61 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\FilterValidator;
+
+class NewFilter extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        FilterValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/NewPendingTransactionFilter.php b/src/Methods/Eth/NewPendingTransactionFilter.php
new file mode 100644
index 0000000..29657fe
--- /dev/null
+++ b/src/Methods/Eth/NewPendingTransactionFilter.php
@@ -0,0 +1,58 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+
+class NewPendingTransactionFilter extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/ProtocolVersion.php b/src/Methods/Eth/ProtocolVersion.php
index d95c624..032739e 100644
--- a/src/Methods/Eth/ProtocolVersion.php
+++ b/src/Methods/Eth/ProtocolVersion.php
@@ -17,6 +17,13 @@ use Web3\Formatters\BigNumberFormatter;
 
 class ProtocolVersion extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/SendRawTransaction.php b/src/Methods/Eth/SendRawTransaction.php
index 9fcb742..8508200 100644
--- a/src/Methods/Eth/SendRawTransaction.php
+++ b/src/Methods/Eth/SendRawTransaction.php
@@ -13,10 +13,20 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\HexValidator;
 use Web3\Formatters\HexFormatter;
 
 class SendRawTransaction extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        HexValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/SendTransaction.php b/src/Methods/Eth/SendTransaction.php
index 4bbb576..990810b 100644
--- a/src/Methods/Eth/SendTransaction.php
+++ b/src/Methods/Eth/SendTransaction.php
@@ -13,10 +13,20 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\TransactionValidator;
 use Web3\Formatters\TransactionFormatter;
 
 class SendTransaction extends EthMethod
 {
+   /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        TransactionValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/Sign.php b/src/Methods/Eth/Sign.php
index dcc3c07..0509566 100644
--- a/src/Methods/Eth/Sign.php
+++ b/src/Methods/Eth/Sign.php
@@ -13,11 +13,22 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Validators\AddressValidator;
+use Web3\Validators\HexValidator;
 use Web3\Formatters\AddressFormatter;
 use Web3\Formatters\HexFormatter;
 
 class Sign extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        AddressValidator::class, HexValidator::class
+    ];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/SubmitHashrate.php b/src/Methods/Eth/SubmitHashrate.php
new file mode 100644
index 0000000..b365a19
--- /dev/null
+++ b/src/Methods/Eth/SubmitHashrate.php
@@ -0,0 +1,61 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\BlockHashValidator;
+
+class SubmitHashrate extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        BlockHashValidator::class, BlockHashValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/SubmitWork.php b/src/Methods/Eth/SubmitWork.php
new file mode 100644
index 0000000..44200cf
--- /dev/null
+++ b/src/Methods/Eth/SubmitWork.php
@@ -0,0 +1,65 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\NonceValidator;
+use Web3\Validators\BlockHashValidator;
+use Web3\Formatters\QuantityFormatter;
+
+class SubmitWork extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        NonceValidator::class, BlockHashValidator::class, BlockHashValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        QuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/src/Methods/Eth/Syncing.php b/src/Methods/Eth/Syncing.php
index 0628394..3713320 100644
--- a/src/Methods/Eth/Syncing.php
+++ b/src/Methods/Eth/Syncing.php
@@ -16,6 +16,13 @@ use Web3\Methods\EthMethod;
 
 class Syncing extends EthMethod
 {
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [];
+
     /**
      * inputFormatters
      * 
diff --git a/src/Methods/Eth/UninstallFilter.php b/src/Methods/Eth/UninstallFilter.php
new file mode 100644
index 0000000..a9863ef
--- /dev/null
+++ b/src/Methods/Eth/UninstallFilter.php
@@ -0,0 +1,64 @@
+<?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\Methods\Eth;
+
+use InvalidArgumentException;
+use Web3\Methods\EthMethod;
+use Web3\Validators\QuantityValidator;
+use Web3\Formatters\QuantityFormatter;
+
+class UninstallFilter extends EthMethod
+{
+    /**
+     * validators
+     * 
+     * @var array
+     */
+    protected $validators = [
+        QuantityValidator::class
+    ];
+
+    /**
+     * inputFormatters
+     * 
+     * @var array
+     */
+    protected $inputFormatters = [
+        QuantityFormatter::class
+    ];
+
+    /**
+     * outputFormatters
+     * 
+     * @var array
+     */
+    protected $outputFormatters = [];
+
+    /**
+     * defaultValues
+     * 
+     * @var array
+     */
+    protected $defaultValues = [];
+
+    /**
+     * construct
+     * 
+     * @param string $method
+     * @param array $arguments
+     * @return void
+     */
+    // public function __construct($method='', $arguments=[])
+    // {
+    //     parent::__construct($method, $arguments);
+    // }
+}
\ No newline at end of file
diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index 8d4092f..8c1ee63 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -4,6 +4,7 @@ namespace Test\Unit;
 
 use RuntimeException;
 use Test\TestCase;
+use phpseclib\Math\BigInteger as BigNumber;
 
 class EthApiTest extends TestCase
 {
@@ -39,7 +40,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->fail($err->getMessage());
             }
-            $this->assertTrue(is_string($version));
+            $this->assertTrue($version instanceof BigNumber);
         });
     }
 

From 6afc41f65aac50e1b251ac3fcbf86bfef11afd8c Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 12:11:53 +0800
Subject: [PATCH 33/36] Validate array of rules.

---
 src/Methods/EthMethod.php | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/Methods/EthMethod.php b/src/Methods/EthMethod.php
index 82ad760..ca11ce7 100644
--- a/src/Methods/EthMethod.php
+++ b/src/Methods/EthMethod.php
@@ -108,8 +108,22 @@ class EthMethod extends JSONRPC implements IMethod
         }
         foreach ($rules as $key => $rule) {
             if (isset($params[$key])) {
-                if (call_user_func([$rule, 'validate'], $params[$key]) === false) {
-                    throw new RuntimeException('Wrong type of ' . $this->method . ' method argument ' . $key . '.');
+                if (is_array($rule)) {
+                    $isError = true;
+
+                    foreach ($rule as $r) {
+                        if (call_user_func([$rule, 'validate'], $params[$key]) === true) {
+                            $isError = false;
+                            break;
+                        }
+                    }
+                    if ($isError) {
+                        throw new RuntimeException('Wrong type of ' . $this->method . ' method argument ' . $key . '.');
+                    }
+                } else {
+                    if (call_user_func([$rule, 'validate'], $params[$key]) === false) {
+                        throw new RuntimeException('Wrong type of ' . $this->method . ' method argument ' . $key . '.');
+                    }
                 }
             } else {
                 throw new RuntimeException($this->method . ' method argument ' . $key . ' doesn\'t have default value.');

From 2cbb1fe8603ccc64027afc08899eb8de3361d48a Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 12:16:17 +0800
Subject: [PATCH 34/36] gas to data

---
 src/Formatters/TransactionFormatter.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Formatters/TransactionFormatter.php b/src/Formatters/TransactionFormatter.php
index 49bc9f4..f59a7fa 100644
--- a/src/Formatters/TransactionFormatter.php
+++ b/src/Formatters/TransactionFormatter.php
@@ -37,7 +37,7 @@ class TransactionFormatter implements IFormatter
             $value['value'] = QuantityFormatter::format($value['value']);
         }
         if (isset($value['data'])) {
-            $value['data'] = HexFormatter::format($value['gas']);
+            $value['data'] = HexFormatter::format($value['data']);
         }
         if (isset($value['nonce'])) {
             $value['nonce'] = QuantityFormatter::format($value['nonce']);

From 4d3ed88b7b92405237abcc4e8db05a68109c7b82 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 12:22:32 +0800
Subject: [PATCH 35/36] Remove boolean formatter.

---
 src/Formatters/Boolean.php         | 33 ------------------------------
 test/unit/BooleanFormatterTest.php |  4 ++--
 2 files changed, 2 insertions(+), 35 deletions(-)
 delete mode 100644 src/Formatters/Boolean.php

diff --git a/src/Formatters/Boolean.php b/src/Formatters/Boolean.php
deleted file mode 100644
index 652190e..0000000
--- a/src/Formatters/Boolean.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?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\Formatters;
-
-use InvalidArgumentException;
-use Web3\Utils;
-use Web3\Formatters\IFormatter;
-
-class Boolean implements IFormatter
-{
-    /**
-     * format
-     * 
-     * @param mixed $value
-     * @return int
-     */
-    public static function format($value)
-    {
-        if (!is_bool($value)) {
-            throw new InvalidArgumentException('The value to inputFormat function must be boolean.');
-        }
-        return (int) $value;
-    }
-}
\ No newline at end of file
diff --git a/test/unit/BooleanFormatterTest.php b/test/unit/BooleanFormatterTest.php
index f5dff3b..2522092 100644
--- a/test/unit/BooleanFormatterTest.php
+++ b/test/unit/BooleanFormatterTest.php
@@ -3,7 +3,7 @@
 namespace Test\Unit;
 
 use Test\TestCase;
-use Web3\Formatters\Boolean;
+use Web3\Formatters\BooleanFormatter;
 
 class BooleanFormatterTest extends TestCase
 {
@@ -22,7 +22,7 @@ class BooleanFormatterTest extends TestCase
     public function setUp()
     {
         parent::setUp();
-        $this->formatter = new Boolean;
+        $this->formatter = new BooleanFormatter;
     }
 
     /**

From 4a60041ddec85d819277379db9df8cbc0ecbcca6 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 12:28:44 +0800
Subject: [PATCH 36/36] Fix call function statically error Non-static method
 Web3\Utils::toString() should not be called statically.

---
 src/Utils.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Utils.php b/src/Utils.php
index c2a10e4..96af4fd 100644
--- a/src/Utils.php
+++ b/src/Utils.php
@@ -221,7 +221,7 @@ class Utils
      * @param mixed $value
      * @return string
      */
-    public function toString($value)
+    public static function toString($value)
     {
         try {
             $value = (string) $value;