4 files changed, 17 insertions, 1 deletions
diff --git a/src/cryptonote_core/cryptonote_basic.h b/src/cryptonote_core/cryptonote_basic.h
index afe785eb9..e5a5cc6f5 100644
--- a/src/cryptonote_core/cryptonote_basic.h
+++ b/src/cryptonote_core/cryptonote_basic.h
@@ -180,7 +180,7 @@ namespace cryptonote
       FIELD(extra)
     END_SERIALIZE()
 
-  protected:
+  public:
     transaction_prefix(){}
   };
 
diff --git a/src/cryptonote_core/cryptonote_boost_serialization.h b/src/cryptonote_core/cryptonote_boost_serialization.h
index f222db94e..41f864803 100644
--- a/src/cryptonote_core/cryptonote_boost_serialization.h
+++ b/src/cryptonote_core/cryptonote_boost_serialization.h
@@ -144,6 +144,16 @@ namespace boost
 
 
   template <class Archive>
+  inline void serialize(Archive &a, cryptonote::transaction_prefix &x, const boost::serialization::version_type ver)
+  {
+    a & x.version;
+    a & x.unlock_time;
+    a & x.vin;
+    a & x.vout;
+    a & x.extra;
+  }
+
+  template <class Archive>
   inline void serialize(Archive &a, cryptonote::transaction &x, const boost::serialization::version_type ver)
   {
     a & x.version;
diff --git a/src/cryptonote_core/cryptonote_format_utils.cpp b/src/cryptonote_core/cryptonote_format_utils.cpp
index ee9a00803..ddcab4f05 100644
--- a/src/cryptonote_core/cryptonote_format_utils.cpp
+++ b/src/cryptonote_core/cryptonote_format_utils.cpp
@@ -321,6 +321,11 @@ namespace cryptonote
     return pub_key_field.pub_key;
   }
   //---------------------------------------------------------------
+  crypto::public_key get_tx_pub_key_from_extra(const transaction_prefix& tx_prefix)
+  {
+    return get_tx_pub_key_from_extra(tx_prefix.extra);
+  }
+  //---------------------------------------------------------------
   crypto::public_key get_tx_pub_key_from_extra(const transaction& tx)
   {
     return get_tx_pub_key_from_extra(tx.extra);
diff --git a/src/cryptonote_core/cryptonote_format_utils.h b/src/cryptonote_core/cryptonote_format_utils.h
index 6dac8e888..e0ffbed67 100644
--- a/src/cryptonote_core/cryptonote_format_utils.h
+++ b/src/cryptonote_core/cryptonote_format_utils.h
@@ -89,6 +89,7 @@ namespace cryptonote
 
   bool parse_tx_extra(const std::vector<uint8_t>& tx_extra, std::vector<tx_extra_field>& tx_extra_fields);
   crypto::public_key get_tx_pub_key_from_extra(const std::vector<uint8_t>& tx_extra);
+  crypto::public_key get_tx_pub_key_from_extra(const transaction_prefix& tx);
   crypto::public_key get_tx_pub_key_from_extra(const transaction& tx);
   bool add_tx_pub_key_to_extra(transaction& tx, const crypto::public_key& tx_pub_key);
   bool add_extra_nonce_to_tx_extra(std::vector<uint8_t>& tx_extra, const blobdata& extra_nonce);