1 files changed, 12 insertions, 1 deletions
diff --git a/php/track-transaction.php b/php/track-transaction.php
index 8fd1058..e51d1a1 100644
--- a/php/track-transaction.php
+++ b/php/track-transaction.php
@@ -14,13 +14,24 @@
 
   $response = get_to_backend("/track/transaction",
                              array("id" => intval($_GET['tid'])));
-  if (!in_array($response["status_code"], array(200, 202))){
+  if (!in_array($response["status_code"], array(200, 202, 424))){
     echo build_error($response,
                      "Backend error",
                      $response["status_code"]);
     return;
   }
 
+  // Report conflict
+  if (424 == $response["status_code"]){
+    $body = json_decode($response["body"]);
+    echo sprintf("<p>Coin '%s', related to transaction '%s',
+                  is conflicting: what claimed by the exchange does
+                  not match what stored in our DB.</p>",
+                  $body->coin_pub,
+                  $_GET['tid']);
+    return;
+  }
+
   // Render HTML
   http_response_code($response["status_code"]);
   $decoded = json_decode($response["body"]);