Rewrite plugin to v3.0

include/class-monero-explorer-tools.php

@@ -0,0 +1,90 @@
+<?php
+/**
+ * monero_explorer_tools.php
+ *
+ * Uses CURL to call API functions from the block explorer
+ * https://xmrchain.net/
+ *
+ * @author Serhack
+ * @author cryptochangements
+ * @author mosu-forge
+ *
+ */
+
+defined( 'ABSPATH' ) || exit;
+
+class Monero_Explorer_Tools
+{
+    private $url;
+    public function __construct($testnet = false)
+    {
+        $this->url = $testnet ? MONERO_GATEWAY_TESTNET_EXPLORER_URL : MONERO_GATEWAY_MAINNET_EXPLORER_URL;
+    }
+
+    private function call_api($endpoint)
+    {
+        $curl = curl_init();
+        curl_setopt_array($curl, array(
+            CURLOPT_RETURNTRANSFER => 1,
+            CURLOPT_URL => $this->url . $endpoint,
+        ));
+        $data = curl_exec($curl);
+        curl_close($curl);
+        return json_decode($data, true);
+    }
+
+    public function get_last_block_height()
+    {
+        $data = $this->call_api('/api/networkinfo');
+        if($data['status'] == 'success')
+            return $data['data']['height'] - 1;
+        else
+            return 0;
+    }
+
+    public function getheight()
+    {
+        return $this->get_last_block_height();
+    }
+
+    public function get_txs_from_block($height)
+    {
+        $data = $this->call_api("/api/search/$height");
+        if($data['status'] == 'success')
+            return $data['data']['txs'];
+        else
+            return [];
+    }
+
+    public function get_outputs($address, $viewkey)
+    {
+        $data = $this->call_api("/api/outputsblocks?address=$address&viewkey=$viewkey&limit=5&mempool=1");
+        if($data['status'] == 'success')
+            return $data['data']['outputs'];
+        else
+            return [];
+    }
+
+    public function check_tx($tx_hash, $address, $viewkey)
+    {
+        $data = $this->call_api("/api/outputs?txhash=$tx_hash&address=$address&viewkey=$viewkey&txprove=0");
+        if($data['status'] == 'success') {
+            foreach($data['data']['outputs'] as $output) {
+                if($output['match'])
+                    return true;
+            }
+        } else {
+            return false;
+        }
+    }
+
+    function get_mempool_txs()
+    {
+        $data = $this->call_api('/api/mempool');
+        if($data['status'] == 'success')
+            return $data['txs'];
+        else
+            return [];
+    }
+
+}