REDACTED-rig/src/crypto/common/Nonce.cpp
2019-10-30 15:33:06 +07:00

99 lines
2.2 KiB
C++

/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
* Copyright 2018-2019 SChernykh <https://github.com/SChernykh>
* Copyright 2016-2019 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <mutex>
#include "crypto/common/Nonce.h"
namespace xmrig {
std::atomic<bool> Nonce::m_paused;
std::atomic<uint64_t> Nonce::m_sequence[Nonce::MAX];
uint32_t Nonce::m_nonces[2] = { 0, 0 };
static std::mutex mutex;
static Nonce nonce;
} // namespace xmrig
xmrig::Nonce::Nonce()
{
m_paused = true;
for (auto &i : m_sequence) {
i = 1;
}
}
uint32_t xmrig::Nonce::next(uint8_t index, uint32_t nonce, uint32_t reserveCount, bool nicehash)
{
uint32_t next;
std::lock_guard<std::mutex> lock(mutex);
if (nicehash) {
next = (nonce & 0xFF000000) | m_nonces[index];
}
else {
next = m_nonces[index];
}
m_nonces[index] += reserveCount;
return next;
}
void xmrig::Nonce::reset(uint8_t index)
{
std::lock_guard<std::mutex> lock(mutex);
m_nonces[index] = 0;
}
void xmrig::Nonce::stop()
{
pause(false);
for (auto &i : m_sequence) {
i = 0;
}
}
void xmrig::Nonce::touch()
{
for (auto &i : m_sequence) {
i++;
}
}