Adding 2 methods.

Adding the createGuarantee and cancelGuarantee methods.

lib/Core/SignifydAPI.php

@@ -103,8 +103,8 @@ public function getCase($caseId, $entry = null)
     public function closeCase($caseId)
     {
         $url = $this->makeUrl("cases/$caseId");
-        $data = array('status' => 'DISMISSED');
-        $curl = $this->_setupPutJsonRequest($url, $data);
+        $blob = array('status' => 'DISMISSED');
+        $curl = $this->_setupPutJsonRequest($url, $blob);
         $response = curl_exec($curl);
         $info = curl_getinfo($curl);
         $error = curl_error($curl);
@@ -119,6 +119,47 @@ public function closeCase($caseId)
         return json_decode($response);
     }
 
+    public function createGuarantee($guarantee)
+    {
+        $curl = $this->_setupPostJsonRequest($this->makeUrl("guarantees"), $guarantee);
+        $response = curl_exec($curl);
+        $info = curl_getinfo($curl);
+        $this->logInfo("Raw request create guaranty: " . json_encode($info));
+
+        $error = curl_error($curl);
+        curl_close($curl);
+
+        if ($this->checkResultError($info['http_code'], $response)) {
+            return false;
+        }
+
+        $this->logInfo("Raw response create guaranty: " . $response);
+
+        return json_decode($response)->disposition;
+    }
+
+    public function cancelGuarantee($caseId)
+    {
+        $url = $this->makeUrl("cases/$caseId/guarantee");
+        $blob = ['guaranteeDisposition' => 'CANCELED'];
+        $curl = $this->_setupPutJsonRequest($url, $blob);
+        $response = curl_exec($curl);
+        $info = curl_getinfo($curl);
+        $error = curl_error($curl);
+        curl_close($curl);
+        if ($this->checkResultError($info['http_code'], $response)) {
+            return false;
+        }
+        if(!empty($error)){
+            $this->logError("Curl call error: {$error}");
+            return false;
+        }
+
+        $this->logInfo("Raw response create guaranty: " . $response);
+
+        return json_decode($response)->disposition;
+    }
+
     public function updatePayment($caseId, $paymentUpdate)
     {
         $url = $this->makeUrl("cases/$caseId");

lib/Models/Guarantee.php

@@ -0,0 +1,22 @@
+<?php
+/**
+ * Copyright 2015 SIGNIFYD Inc. All rights reserved.
+ * See LICENSE.txt for license details.
+ */
+
+namespace Signifyd\Models;
+
+use Signifyd\Core\SignifydModel;
+
+class Guarantee extends SignifydModel
+{
+    /**
+     * Case id
+     */
+    public $caseId;
+
+    public function __construct()
+    {
+    }
+
+}