Merge pull request #1285

a970a4e refresh speedup (luigi1111)

2 files changed, 8 insertions, 0 deletions

diff --git a/src/cryptonote_core/cryptonote_format_utils.cpp b/src/cryptonote_core/cryptonote_format_utils.cpp
index 6d64a43cb..234422e3d 100644
--- a/src/cryptonote_core/cryptonote_format_utils.cpp
+++ b/src/cryptonote_core/cryptonote_format_utils.cpp
@@ -876,6 +876,13 @@ namespace cryptonote
     return pk == out_key.key;
   }
   //---------------------------------------------------------------
+  bool is_out_to_acc_precomp(const crypto::public_key& spend_public_key, const txout_to_key& out_key, const crypto::key_derivation& derivation, size_t output_index)
+  {
+    crypto::public_key pk;
+    derive_public_key(derivation, output_index, spend_public_key, pk);
+    return pk == out_key.key;
+  }
+  //---------------------------------------------------------------
   bool lookup_acc_outs(const account_keys& acc, const transaction& tx, std::vector<size_t>& outs, uint64_t& money_transfered)
   {
     crypto::public_key tx_pub_key = get_tx_pub_key_from_extra(tx);
diff --git a/src/cryptonote_core/cryptonote_format_utils.h b/src/cryptonote_core/cryptonote_format_utils.h
index 24db8008e..d5dd6494d 100644
--- a/src/cryptonote_core/cryptonote_format_utils.h
+++ b/src/cryptonote_core/cryptonote_format_utils.h
@@ -115,6 +115,7 @@ namespace cryptonote
   bool get_payment_id_from_tx_extra_nonce(const blobdata& extra_nonce, crypto::hash& payment_id);
   bool get_encrypted_payment_id_from_tx_extra_nonce(const blobdata& extra_nonce, crypto::hash8& payment_id);
   bool is_out_to_acc(const account_keys& acc, const txout_to_key& out_key, const crypto::public_key& tx_pub_key, size_t output_index);
+  bool is_out_to_acc_precomp(const crypto::public_key& spend_public_key, const txout_to_key& out_key, const crypto::key_derivation& derivation, size_t output_index);
   bool lookup_acc_outs(const account_keys& acc, const transaction& tx, const crypto::public_key& tx_pub_key, std::vector<size_t>& outs, uint64_t& money_transfered);
   bool lookup_acc_outs(const account_keys& acc, const transaction& tx, std::vector<size_t>& outs, uint64_t& money_transfered);
   bool get_tx_fee(const transaction& tx, uint64_t & fee);