2 files changed, 16 insertions, 0 deletions
diff --git a/src/cryptonote_basic/cryptonote_format_utils.cpp b/src/cryptonote_basic/cryptonote_format_utils.cpp
index 651d61b06..f0b395f43 100644
--- a/src/cryptonote_basic/cryptonote_format_utils.cpp
+++ b/src/cryptonote_basic/cryptonote_format_utils.cpp
@@ -128,6 +128,20 @@ namespace cryptonote
 namespace cryptonote
 {
   //---------------------------------------------------------------
+  void get_transaction_prefix_hash(const transaction_prefix& tx, crypto::hash& h, hw::device &hwdev)
+  {
+    hwdev.get_transaction_prefix_hash(tx,h);    
+  }
+
+  //---------------------------------------------------------------  
+  crypto::hash get_transaction_prefix_hash(const transaction_prefix& tx, hw::device &hwdev)
+  {
+    crypto::hash h = null_hash;
+    get_transaction_prefix_hash(tx, h, hwdev);
+    return h;
+  }
+  
+  //---------------------------------------------------------------  
   void get_transaction_prefix_hash(const transaction_prefix& tx, crypto::hash& h)
   {
     std::ostringstream s;
diff --git a/src/cryptonote_basic/cryptonote_format_utils.h b/src/cryptonote_basic/cryptonote_format_utils.h
index 8ed3b0b43..d1b24d950 100644
--- a/src/cryptonote_basic/cryptonote_format_utils.h
+++ b/src/cryptonote_basic/cryptonote_format_utils.h
@@ -48,6 +48,8 @@ namespace epee
 namespace cryptonote
 {
   //---------------------------------------------------------------
+  void get_transaction_prefix_hash(const transaction_prefix& tx, crypto::hash& h, hw::device &hwdev);
+  crypto::hash get_transaction_prefix_hash(const transaction_prefix& tx, hw::device &hwdev);
   void get_transaction_prefix_hash(const transaction_prefix& tx, crypto::hash& h);
   crypto::hash get_transaction_prefix_hash(const transaction_prefix& tx);
   bool parse_and_validate_tx_prefix_from_blob(const blobdata& tx_blob, transaction_prefix& tx);