Add a is_key_image_spent daemon command and RPC call

2 files changed, 18 insertions, 2 deletions

diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp
index 31e46b534..4d90eec1e 100644
--- a/src/cryptonote_core/cryptonote_core.cpp
+++ b/src/cryptonote_core/cryptonote_core.cpp
@@ -515,6 +515,21 @@ namespace cryptonote
     return true;
   }
   //-----------------------------------------------------------------------------------------------
+  bool core::is_key_image_spent(const crypto::key_image &key_image)
+  {
+    return m_blockchain_storage.have_tx_keyimg_as_spent(key_image);
+  }
+  //-----------------------------------------------------------------------------------------------
+  bool core::are_key_images_spent(const std::vector<crypto::key_image>& key_im, std::vector<bool> &spent)
+  {
+    spent.clear();
+    BOOST_FOREACH(auto& ki, key_im)
+    {
+      spent.push_back(m_blockchain_storage.have_tx_keyimg_as_spent(ki));
+    }
+    return true;
+  }
+  //-----------------------------------------------------------------------------------------------
   bool core::check_tx_inputs_keyimages_diff(const transaction& tx)
   {
     std::unordered_set<crypto::key_image> ki;
diff --git a/src/cryptonote_core/cryptonote_core.h b/src/cryptonote_core/cryptonote_core.h
index de953da07..d700b3b47 100644
--- a/src/cryptonote_core/cryptonote_core.h
+++ b/src/cryptonote_core/cryptonote_core.h
@@ -145,6 +145,9 @@ namespace cryptonote
 
      void stop();
 
+     bool is_key_image_spent(const crypto::key_image& key_im);
+     bool are_key_images_spent(const std::vector<crypto::key_image>& key_im, std::vector<bool> &spent);
+
    private:
      bool add_new_tx(const transaction& tx, const crypto::hash& tx_hash, const crypto::hash& tx_prefix_hash, size_t blob_size, tx_verification_context& tvc, bool keeped_by_block);
      bool add_new_tx(const transaction& tx, tx_verification_context& tvc, bool keeped_by_block);
@@ -157,8 +160,6 @@ namespace cryptonote
      bool check_tx_semantic(const transaction& tx, bool keeped_by_block);
      //check if tx already in memory pool or in main blockchain
 
-     bool is_key_image_spent(const crypto::key_image& key_im);
-
      bool check_tx_ring_signature(const txin_to_key& tx, const crypto::hash& tx_prefix_hash, const std::vector<crypto::signature>& sig);
      bool is_tx_spendtime_unlocked(uint64_t unlock_time);
      bool update_miner_block_template();