carrot_core [3/27/2025]

src/carrot_core/lazy_amount_commitment.cpp

@@ -0,0 +1,58 @@
+// Copyright (c) 2025, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+//paired header
+#include "lazy_amount_commitment.h"
+
+//local headers
+#include "ringct/rctOps.h"
+
+//third party headers
+
+//standard headers
+
+#undef MONERO_DEFAULT_LOG_CATEGORY
+#define MONERO_DEFAULT_LOG_CATEGORY "carrot"
+
+namespace carrot
+{
+//-------------------------------------------------------------------------------------------------------------------
+rct::key calculate_amount_commitment(const lazy_amount_commitment_t &lazy_amount_commitment)
+{
+    struct lazy_amount_commitment_visitor
+    {
+        rct::key operator()(const rct::key &C) const { return C; }
+        rct::key operator()(const std::pair<rct::xmr_amount, rct::key> &op) const
+        { return rct::commit(op.first, op.second); }
+        rct::key operator()(const rct::xmr_amount &a) const { return rct::zeroCommit(a); }
+    };
+
+    return lazy_amount_commitment.visit(lazy_amount_commitment_visitor{});
+}
+//-------------------------------------------------------------------------------------------------------------------
+} //namespace carrot