Merge pull request #2 from cryptochangements34/master

Adds Integrated Address support and updates library

monero/include/monero_payments.php

@@ -3,6 +3,7 @@
 
 class Monero_Gateway extends WC_Payment_Gateway
 {
+	private $monero_daemon;
 	
 				function __construct()
 				{
@@ -53,6 +54,7 @@ class Monero_Gateway extends WC_Payment_Gateway
 																'process_admin_options'
 												));
 								}
+					$this->monero_daemon = new Monero_Library($this->host . ':' . $this->port . '/json_rpc');
 				}
 				
 				public function admin_options()
@@ -136,7 +138,8 @@ class Monero_Gateway extends WC_Payment_Gateway
 				{
 								$xmr_live_price = $this->retriveprice($currency);
 								$new_amount     = $amount / $xmr_live_price;
-								return $new_amount;
+								$rounded_amount = round($new_amount, 12); //the moneo wallet can't handle decimals smaller than 0.000000000001
+								return $rounded_amount;
 				}
 				
 				
@@ -180,7 +183,6 @@ class Monero_Gateway extends WC_Payment_Gateway
 								return false;
 				} 
 				
-				
 				public function instruction($order_id)
 				{
 								$order       = wc_get_order($order_id);
@@ -188,8 +190,10 @@ class Monero_Gateway extends WC_Payment_Gateway
 								$currency    = $order->currency;
 								$amount_xmr2 = $this->changeto($amount, $currency);
 								$address     = $this->address;
-								$payment_id  = bin2hex(openssl_random_pseudo_bytes(32));
+								$payment_id  = bin2hex(openssl_random_pseudo_bytes(8));
 								$uri         = "monero:$address?amount=$amount?payment_id=$payment_id";
+								$array_integrated_address = $this->monero_daemon->make_integrated_address($payment_id);
+								
 								// Generate a QR code
 								echo "<link rel='stylesheet' href='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css'>";
 								
@@ -206,9 +210,8 @@ class Monero_Gateway extends WC_Payment_Gateway
 						<img src='https://chart.googleapis.com/chart?cht=qr&chs=150x150&chl=" . $uri . "' class='img-responsive'>
 					</div>
 					<div class='col-sm-9 col-md-9 col-lg-9' style='padding:10px;'>
-						Send <b>" . $amount_xmr2 . " XMR</b> to<br/><input type='text'  class='form-control' value='" . $this->address . "'>
+						Send <b>" . $amount_xmr2 . " XMR</b> to<br/><input type='text'  class='form-control' value='" . $array_integrated_address["integrated_address"]."'>
 						or scan QR Code with your mobile device<br/><br/>
-                        <input type='text' value='" . $payment_id . "'>
 						<small>If you don't know how to pay with monero, click instructions button. </small>
 					</div>
 					<div class='col-sm-12 col-md-12 col-lg-12'>
@@ -232,18 +235,15 @@ class Monero_Gateway extends WC_Payment_Gateway
         </div>
         <div class='modal-body container'>
            <b>Paying with Monero</b>
-	   <p>If you don't have Monero, you can buy it in some markets. If you have, please follow instructions<p>
+	   <p>If you don't have Monero, you can buy it at a trusted exchange. If you already have some, please follow instructions</p>
-	   <p>Scan QR Code with Monero App, if you don't have Monero App, please copy the url on your browser.. It will open Monero Wallet GUI. 
+	   <p>Scan the QR code into your monero app or copy and paste the address above into your Monero Wallet</p>
-	   Submit payment with a click and finish!
-	   My english is so poor, please write me suggestions!! :D
         </div>
         <div class='modal-footer'>
           <button type='button' class='btn btn-default' data-dismiss='modal'>Close</button>
         </div>
       </div>
       </div>
-      </div>
+      </div>";
-        ";
 				}
 				
 				
@@ -276,10 +276,10 @@ class Monero_Gateway extends WC_Payment_Gateway
 					
 					 public function verify_payment(){
       /* 
-       * Algoritmo per verificare i pagamenti
+       * fucntion for verifying payments
-       * 1. prendi l'ultima height disponibile
+       * 1. Get the latest block height available
-       * 2. Get_Bulk_payments con il payment id generato prima (visualizzare a video un avviso per cui l'utente non dovrà aggiornare)
+       * 2. Get_Bulk_payments with the first payment id generated 
-       * 3. Verifica se esiste un pagamento con il payment id e se l'amount è aumentato (NOTA: Non serve verificare quanto è aumentato, il payment id è unico)
+       * 3. Verify that a payment has been made with the given payment id
        * 
       
       
@@ -312,5 +312,4 @@ class Monero_Gateway extends WC_Payment_Gateway
         
     }			
 				
-				
 }

monero/library.php

@@ -1,98 +1,274 @@
 <?php
-
 /**
- *  Monero PHP API
+ * library.php
- *  @author     SerHack
- *  @version    0.1
- *  @year       2017
  *
+ * Written using the JSON RPC specification -
+ * http://json-rpc.org/wiki/specification
+ *
+ * @author Kacper Rowinski <krowinski@implix.com>
+ * http://implix.com
+ * Modified to work with monero-rpc wallet by Serhack and cryptochangements
  */
+class Monero_Library
+{
+    protected $url = null, $is_debug = false, $parameters_structure = 'array'; 
+    protected $curl_options = array(
+        CURLOPT_CONNECTTIMEOUT => 8,
+        CURLOPT_TIMEOUT => 8
+    );
     
- /* WORK IN PROGRESS */
     
- class Monero_Payments{
+    private $httpErrors = array(
-    private $url;
+        400 => '400 Bad Request',
-    private $client; 
+        401 => '401 Unauthorized',
-    private $ip;
+        403 => '403 Forbidden',
-    private $port;
+        404 => '404 Not Found',
+        405 => '405 Method Not Allowed',
+        406 => '406 Not Acceptable',
+        408 => '408 Request Timeout',
+        500 => '500 Internal Server Error',
+        502 => '502 Bad Gateway',
+        503 => '503 Service Unavailable'
+    );
    
-     /**
+    public function __construct($pUrl)
-     *  Start the connection with daemon
+    {
-     *  @param  $ip   IP of Monero RPC
+        $this->validate(false === extension_loaded('curl'), 'The curl extension must be loaded for using this class!');
-     *  @param  $port Port of Monero RPC
+        $this->validate(false === extension_loaded('json'), 'The json extension must be loaded for using this class!');
-     */
+    
-    function __construct ($ip = '127.0.0.1', $port, $protocol = 'http'){
+        $this->url = $pUrl;
-        $this->ip = $ip;
+    }
-        $this->port = $port;
+   
-        // I need to implement a sort of validating http or https
+    private function getHttpErrorMessage($pErrorNumber)
-        $this->url = $protocol.'://'.$ip.':'.$port.'/json_rpc';
+    {
-        $this->client = new jsonRPCClient($this->url);
+        return isset($this->httpErrors[$pErrorNumber]) ? $this->httpErrors[$pErrorNumber] : null;
+    }
+    
+    public function setDebug($pIsDebug)
+    {
+        $this->is_debug = !empty($pIsDebug);
+        return $this;
+    }
+   
+  /*  public function setParametersStructure($pParametersStructure)
+    {
+        if (in_array($pParametersStructure, array('array', 'object')))
+        {
+            $this->parameters_structure = $pParametersStructure;
+        }
+        else
+        {
+            throw new UnexpectedValueException('Invalid parameters structure type.');
+        }
+        return $this;
+    } */
+   
+    public function setCurlOptions($pOptionsArray)
+    {
+        if (is_array($pOptionsArray))
+        {
+            $this->curl_options = $pOptionsArray + $this->curl_options;
+        }
+        else
+        {
+            throw new InvalidArgumentException('Invalid options type.');
+        }
+        return $this;
+    }
+    
+   private function request($pMethod, $pParams)
+    {
+        static $requestId = 0;
+        // generating uniuqe id per process
+        $requestId++;
+        // check if given params are correct
+        $this->validate(false === is_scalar($pMethod), 'Method name has no scalar value');
+       // $this->validate(false === is_array($pParams), 'Params must be given as array');
+        // send params as an object or an array
+        //$pParams = ($this->parameters_structure == 'object') ? $pParams[0] : array_values($pParams);
+        // Request (method invocation)
+        $request = json_encode(array('jsonrpc' => '2.0', 'method' => $pMethod, 'params' => $pParams, 'id' => $requestId));
+        // if is_debug mode is true then add url and request to is_debug
+        $this->debug('Url: ' . $this->url . "\r\n", false);
+        $this->debug('Request: ' . $request . "\r\n", false);
+        $responseMessage = $this->getResponse($request);
+        // if is_debug mode is true then add response to is_debug and display it
+        $this->debug('Response: ' . $responseMessage . "\r\n", true);
+        // decode and create array ( can be object, just set to false )
+        $responseDecoded = json_decode($responseMessage, true);
+        // check if decoding json generated any errors
+        $jsonErrorMsg = $this->getJsonLastErrorMsg();
+        $this->validate( !is_null($jsonErrorMsg), $jsonErrorMsg . ': ' . $responseMessage);
+        // check if response is correct
+        $this->validate(empty($responseDecoded['id']), 'Invalid response data structure: ' . $responseMessage);
+        $this->validate($responseDecoded['id'] != $requestId, 'Request id: ' . $requestId . ' is different from Response id: ' . $responseDecoded['id']);
+        if (isset($responseDecoded['error']))
+        {
+            $errorMessage = 'Request have return error: ' . $responseDecoded['error']['message'] . '; ' . "\n" .
+                'Request: ' . $request . '; ';
+            if (isset($responseDecoded['error']['data']))
+            {
+                $errorMessage .= "\n" . 'Error data: ' . $responseDecoded['error']['data'];
+            }
+            $this->validate( !is_null($responseDecoded['error']), $errorMessage);
+        }
+        return $responseDecoded['result'];
+    }
+    protected function & getResponse(&$pRequest)
+    {
+        // do the actual connection
+        $ch = curl_init();
+        if ( !$ch)
+        {
+            throw new RuntimeException('Could\'t initialize a cURL session');
+        }
+        curl_setopt($ch, CURLOPT_URL, $this->url);
+        curl_setopt($ch, CURLOPT_POST, 1);
+        curl_setopt($ch, CURLOPT_POSTFIELDS, $pRequest);
+        curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-type: application/json'));
+        curl_setopt($ch, CURLOPT_ENCODING, 'gzip,deflate');
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        
+        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+        if ( !curl_setopt_array($ch, $this->curl_options))
+        {
+            throw new RuntimeException('Error while setting curl options');
+        }
+        // send the request
+        $response = curl_exec($ch);
+        // check http status code
+        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+        if (isset($this->httpErrors[$httpCode]))
+        {
+            throw new RuntimeException('Response Http Error - ' . $this->httpErrors[$httpCode]);
+        }
+        // check for curl error
+        if (0 < curl_errno($ch))
+        {
+            throw new RuntimeException('Unable to connect to '.$this->url . ' Error: ' . curl_error($ch));
+        }
+        // close the connection
+        curl_close($ch);
+        return $response;
+    }
+    
+    public function validate($pFailed, $pErrMsg)
+    {
+        if ($pFailed)
+        {
+            throw new RuntimeException($pErrMsg);
+        }
+    }
+    
+    protected function debug($pAdd, $pShow = false)
+    {
+        static $debug, $startTime;
+        // is_debug off return
+        if (false === $this->is_debug)
+        {
+            return;
+        }
+        // add
+        $debug .= $pAdd;
+        // get starttime
+        $startTime = empty($startTime) ? array_sum(explode(' ', microtime())) : $startTime;
+        if (true === $pShow and !empty($debug))
+        {
+            // get endtime
+            $endTime = array_sum(explode(' ', microtime()));
+            // performance summary
+            $debug .= 'Request time: ' . round($endTime - $startTime, 3) . ' s Memory usage: ' . round(memory_get_usage() / 1024) . " kb\r\n";
+            echo nl2br($debug);
+            // send output imidiately
+            flush();
+            // clean static
+            $debug = $startTime = null;
+        }
+    }
+    
+    function getJsonLastErrorMsg()
+    {
+        if (!function_exists('json_last_error_msg'))
+        {
+            function json_last_error_msg()
+            {
+                static $errors = array(
+                    JSON_ERROR_NONE           => 'No error',
+                    JSON_ERROR_DEPTH          => 'Maximum stack depth exceeded',
+                    JSON_ERROR_STATE_MISMATCH => 'Underflow or the modes mismatch',
+                    JSON_ERROR_CTRL_CHAR      => 'Unexpected control character found',
+                    JSON_ERROR_SYNTAX         => 'Syntax error',
+                    JSON_ERROR_UTF8           => 'Malformed UTF-8 characters, possibly incorrectly encoded'
+                );
+                $error = json_last_error();
+                return array_key_exists($error, $errors) ? $errors[$error] : 'Unknown error (' . $error . ')';
+            }
+        }
+        
+        // Fix PHP 5.2 error caused by missing json_last_error function
+        if (function_exists('json_last_error'))
+        {
+            return json_last_error() ? json_last_error_msg() : null;
+        }
+        else
+        {
+            return null;
+        }
+    }
+    
+	public function _run($method,$params = null)
+	{
+      $result = $this->request($method, $params);
+       return $result; //the result is returned as an array
+    }
+    
+    //prints result as json
+    public function _print($json)
+    {
+        $json_encoded = json_encode($json,  JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+        echo $json_encoded;
     }
     
     /* 
-      * Run a method or method + parameters
+     * The following functions can all be called to interact with the monero rpc wallet
-      * @param  $method   Name of Method
+     * They will majority of them will return the result as an array
+     * Example: $daemon->address(); where $daemon is an instance of this class, will return the wallet address as string within an array
      */
-     private function _run($method,$params = null) {
-      $result = $this->client->_run($method, $params);
-       return $result;
-    }
     
-   private function _transform($amount){
+    public function address()
-    $new_amount = $amount * 100000000;
+    {
-    return $new_amount;
-   }
-    
-    /**
-     * Print json (for api)
-     * @return $json
-     */
-     public function _print($json){
-        $json_parsed = json_encode($json,  JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
-        echo $json_parsed;
-    }
-  
-   /**
-    * Print Monero Address as JSON Array
-    */
-    public function address(){
         $address = $this->_run('getaddress');
         return $address;
     }
     
-   /*
+    public function getbalance()
-    * Print Monero Balance as JSON Array
+    {
-    */
-    public function getbalance(){
          $balance = $this->_run('getbalance');
          return $balance;
     }
     
-  /*
+    public function getheight()
-    * Print Monero Height as JSON Array
+    {
-    */
-    public function getheight(){
          $height = $this->_run('getheight');
          return $height;
     }
     
-     /*
+    public function incoming_transfer($type)
-     * Incoming Transfer
+    {
-     * $type must be All 
-     */
-   public function incoming_transfer($type){
         $incoming_parameters = array('transfer_type' => $type);
         $incoming_transfers = $this->_run('incoming_transfers', $incoming_parameters);
         return $incoming_transfers;
     }
     
-    public function get_transfers($input_type, $input_value){
+	public function get_transfers($input_type, $input_value)
+	{
         $get_parameters = array($input_type => $input_value);
         $get_transfers = $this->_run('get_transfers', $get_parameters);
         return $get_transfers;
     }
     
-     public function view_key(){
+    public function view_key()
+    {
         $query_key = array('key_type' => 'view_key');
         $query_key_method = $this->_run('query_key', $query_key);
         return $query_key_method;
@@ -100,13 +276,15 @@
      
      /* A payment id can be passed as a string
         A random payment id will be generatd if one is not given */
-     public function make_integrated_address($payment_id){
+    public function make_integrated_address($payment_id)
+    {
         $integrate_address_parameters = array('payment_id' => $payment_id);
         $integrate_address_method = $this->_run('make_integrated_address', $integrate_address_parameters);
         return $integrate_address_method;
     }
     
-    public function split_integrated_address($integrated_address){
+    public function split_integrated_address($integrated_address)
+    {
         if(!isset($integrated_address)){
             echo "Error: Integrated_Address mustn't be null";
         }
@@ -117,23 +295,25 @@
         }
     }
     
-  public function make_uri($address, $amount, $recipient_name = null, $description = null){
+    public function make_uri($address, $amount, $recipient_name = null, $description = null)
-        // If I pass 1, it will be 1 xmr. Then 
+    {
-        $new_amount = $amount * 1000000000000;
+        // If I pass 1, it will be 0.0000001 xmr. Then 
+        $new_amount = $amount * 100000000;
        
         $uri_params = array('address' => $address, 'amount' => $new_amount, 'payment_id' => '', 'recipient_name' => $recipient_name, 'tx_description' => $description);
         $uri = $this->_run('make_uri', $uri_params);
         return $uri;
     }
     
-     
+    public function parse_uri($uri)
-    public function parse_uri($uri){
+    {
         $uri_parameters = array('uri' => $uri);
         $parsed_uri = $this->_run('parse_uri', $uri_parameters);
         return $parsed_uri;
     }
     
-    public function transfer($amount, $address, $mixin = 4){
+    public function transfer($amount, $address, $mixin = 4)
+    {
         $new_amount = $amount  * 1000000000000;
         $destinations = array('amount' => $new_amount, 'address' => $address);
         $transfer_parameters = array('destinations' => array($destinations), 'mixin' => $mixin, 'get_tx_key' => true, 'unlock_time' => 0, 'payment_id' => '');
@@ -141,13 +321,15 @@
         return $transfer_method;
     }
     
-  public function get_payments($payment_id){
+    public function get_payments($payment_id)
+    {
 		$get_payments_parameters = array('payment_id' => $payment_id);
 		$get_payments = $this->_run('get_payments', $get_payments_parameters);
 		return $get_payments;
 	}
 	
-     public function get_bulk_payments($payment_id, $min_block_height){
+	public function get_bulk_payments($payment_id, $min_block_height)
+	{
       $get_bulk_payments_parameters = array('payment_id' => $payment_id, 'min_block_height' => $min_block_height);
       $get_bulk_payments = $this->_run('get_bulk_payments', $get_bulk_payments_parameters);
       return $get_bulk_payments;