/* 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      Lee Clagett <https://github.com/vtnerd>
 * 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/>.
 */

#ifndef XMRIG_CRYPTONIGHT_H
#define XMRIG_CRYPTONIGHT_H


#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>


#include "options.h"


#define MEMORY      2097152 /* 2 MiB */
#define MEMORY_LITE 1048576 /* 1 MiB */


#if defined _MSC_VER || defined XMRIG_ARM
#define ABI_ATTRIBUTE
#else
#define ABI_ATTRIBUTE __attribute__((ms_abi))
#endif


struct cryptonight_ctx;
typedef void(*cn_mainloop_fun_ms_abi)(struct cryptonight_ctx*) ABI_ATTRIBUTE;
typedef void(*cn_mainloop_double_fun_ms_abi)(struct cryptonight_ctx*, struct cryptonight_ctx*) ABI_ATTRIBUTE;


struct cryptonight_r_data {
    int variant;
    uint64_t height;
};


struct cryptonight_ctx {
    uint8_t state[224] __attribute__((aligned(16)));
    uint8_t *memory    __attribute__((aligned(16)));

    uint8_t unused[40];
    const uint32_t *saes_table;

    cn_mainloop_fun_ms_abi generated_code;
    cn_mainloop_double_fun_ms_abi generated_code_double;
    struct cryptonight_r_data generated_code_data;
    struct cryptonight_r_data generated_code_double_data;
    uint64_t height;
};


typedef void (*cn_hash_fun)(const uint8_t *input, size_t size, uint8_t *output, struct cryptonight_ctx **ctx);


extern void (* const extra_hashes[4])(const void *, size_t, char *);

cn_hash_fun cryptonight_hash_fn(enum Algo algorithm, enum AlgoVariant av, enum Variant variant);

bool cryptonight_init(int av);
int scanhash_cryptonight(int thr_id, uint32_t *hash, uint8_t *blob, size_t blob_size, uint32_t target, uint32_t max_nonce, unsigned long *hashes_done, struct cryptonight_ctx **ctx);
int scanhash_cryptonight_double(int thr_id, uint32_t *hash, uint8_t *blob, size_t blob_size, uint32_t target, uint32_t max_nonce, unsigned long *hashes_done, struct cryptonight_ctx **ctx);


#endif /* XMRIG_CRYPTONIGHT_H */