diff --git a/src/cryptonote_core/cryptonote_basic.h b/src/cryptonote_core/cryptonote_basic.h
index 886cb6f..250f731 100644
--- a/src/cryptonote_core/cryptonote_basic.h
+++ b/src/cryptonote_core/cryptonote_basic.h
@@ -179,6 +179,7 @@ namespace cryptonote
 
       if (version == 1 && m_blob_type != BLOB_TYPE_CRYPTONOTE2)
       {
+	puts("xxx1");
         ar.tag("signatures");
         ar.begin_array();
         PREPARE_CUSTOM_VECTOR_SERIALIZATION(vin.size(), signatures);
@@ -210,6 +211,7 @@ namespace cryptonote
       }
       else
       {
+	puts("xxx2");
         ar.tag("rct_signatures");
         if (!vin.empty())
         {