progminer zano miner fork https://github.com/hyle-team/progminer

zano/libethcore/EthashAux.cpp

@@ -0,0 +1,44 @@
+/*
+    This file is part of progminer.
+
+    progminer is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    progminer is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with progminer.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "EthashAux.h"
+
+#include <ethash/ethash.hpp>
+#include <ethash/progpow.hpp>
+
+using namespace dev;
+using namespace eth;
+
+Result EthashAux::eval(int epoch, h256 const& _headerHash, uint64_t _nonce) noexcept
+{
+    auto headerHash = ethash::hash256_from_bytes(_headerHash.data());
+    auto& context = ethash::get_global_epoch_context(epoch);
+    auto result = ethash::hash(context, headerHash, _nonce);
+    h256 mix{reinterpret_cast<byte*>(result.mix_hash.bytes), h256::ConstructFromPointer};
+    h256 final{reinterpret_cast<byte*>(result.final_hash.bytes), h256::ConstructFromPointer};
+    return {final, mix};
+}
+
+Result EthashAux::eval(int epoch, int _block_number, h256 const& _headerHash, uint64_t _nonce) noexcept
+{
+    auto headerHash = ethash::hash256_from_bytes(_headerHash.data());
+    auto& context = ethash::get_global_epoch_context(epoch);
+    auto result = progpow::hash(context, _block_number, headerHash, _nonce);
+    h256 mix{reinterpret_cast<byte*>(result.mix_hash.bytes), h256::ConstructFromPointer};
+    h256 final{reinterpret_cast<byte*>(result.final_hash.bytes), h256::ConstructFromPointer};
+    return {final, mix};
+}