Add API method to return just the circulating supply

This returns the available supply minus the deposit supply

pages/api.html

@@ -9,6 +9,7 @@ <h4>Supported APIs</h4>
             <li><strong><a href="/q/height">height</a></strong> &ndash; current height (incl. genesis block)</li>
             <li><strong><a href="/q/reward">reward</a></strong> &ndash; current block reward</li>
             <li><strong><a href="/q/supply">supply</a></strong> &ndash; total available supply</li>
+            <li><strong><a href="/q/circulatingsupply">circulatingsupply</a></strong> &ndash; total circulating supply</li>
             </ul>
         </div>
     </div>

q/circulatingsupply/index.html

@@ -0,0 +1,66 @@
+<?php
+
+$data_string = '{"jsonrpc":"2.0","id":"test","method":"getlastblockheader","params":" "}';
+
+$ch = curl_init('http://192.168.1.15:24888/json_rpc');
+curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
+curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
+curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+curl_setopt($ch, CURLOPT_HTTPHEADER, array(
+    'Content-Type: application/json',
+    'Content-Length: ' . strlen($data_string))
+);
+
+$result = curl_exec($ch);
+
+// print_r($result);
+
+// Decode the response
+$responseData = json_decode($result, TRUE);
+
+// Print the date from the response
+// print_r($responseData);
+
+$hash = $responseData['result']['block_header']['hash'];
+
+//print_r($hash);
+curl_close($ch);
+
+$data_string2 = '{"jsonrpc":"2.0","id":"test","method":"f_block_json","params":{"hash":"'.$hash.'"}}';
+
+
+$ch2 = curl_init('http://192.168.1.15:24888/json_rpc');
+curl_setopt($ch2, CURLOPT_CUSTOMREQUEST, "POST");
+curl_setopt($ch2, CURLOPT_POSTFIELDS, $data_string2);
+curl_setopt($ch2, CURLOPT_RETURNTRANSFER, true);
+curl_setopt($ch2, CURLOPT_HTTPHEADER, array(
+    'Content-Type: application/json',
+    'Content-Length: ' . strlen($data_string2))
+);
+
+$block = curl_exec($ch2);
+
+// Decode the response
+$blockData = json_decode($block, TRUE);
+
+
+$supply = $blockData[result][block][alreadyGeneratedCoins];
+
+$supply  = number_format($supply / 1000000, 6, ".", "");
+
+curl_close($ch2);
+
+$ch3 = curl_init();
+curl_setopt($ch3, CURLOPT_SSL_VERIFYPEER, false);
+curl_setopt($ch3, CURLOPT_RETURNTRANSFER, true);
+curl_setopt($ch3, CURLOPT_URL, 'http://192.168.1.15:24888/getinfo');
+$result = curl_exec($ch3);
+$getinfo = json_decode($result, TRUE);
+curl_close($ch3);
+
+$depamnt = $getinfo['full_deposit_amount'];
+
+$depamnt = number_format($depamnt / 1000000, 6, ".", "");
+
+print_r($supply - $depamnt);
+?>

q/index.html

@@ -3,4 +3,5 @@
 <li><a href="height">height/</a></li>
 <li><a href="reward">reward/</a></li>
 <li><a href="supply">supply/</a></li>
-</ul>
+<li><a href="circulatingsupply">circulatingsupply/</a></li>
+</ul>