#pragma once
#include "compiler.h"
#include "endian.h"
#include "ethash.h"

#define ENABLE_SSE 0

#if defined(_M_X64) && ENABLE_SSE
#include <smmintrin.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif

// compile time settings
#define NODE_WORDS (64/4)
#define MIX_WORDS (MIX_BYTES/4)
#define MIX_NODES (MIX_WORDS / NODE_WORDS)
#include <stdint.h>

typedef union node {
    uint8_t bytes[NODE_WORDS * 4];
    uint32_t words[NODE_WORDS];
    uint64_t double_words[NODE_WORDS / 2];

#if defined(_M_X64) && ENABLE_SSE
	__m128i xmm[NODE_WORDS/4];
#endif

} node;

struct ethash_light {
    ethash_cache *cache;
};

struct ethash_full {
    ethash_cache *cache;
    node *data;
    const ethash_h256_t* seed;
    ethash_callback_t callback;
};

void ethash_calculate_dag_item(node *const ret,
                               const unsigned node_index,
                               ethash_params const *params,
                               ethash_cache const *cache);

void ethash_quick_hash(ethash_h256_t *return_hash,
                       ethash_h256_t const *header_hash,
                       const uint64_t nonce,
                       ethash_h256_t const *mix_hash);

#ifdef __cplusplus
}
#endif