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Original file line number | Diff line number | Diff line change |
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#include "miner.h" | ||
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#include <stdlib.h> | ||
#include <stdint.h> | ||
#include <string.h> | ||
#include <stdio.h> | ||
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#include <sha3/sph_skein.h> | ||
#include <sha3/sph_shavite.h> | ||
#include <sha3/sph_shabal.h> | ||
#include <sha3/gost_streebog.h> | ||
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/* Move init out of loop, so init once externally, and then use one single memcpy with that bigger memory block */ | ||
typedef struct { | ||
sph_skein512_context skein1; | ||
sph_shavite512_context shavite1; | ||
sph_shabal512_context shabal1; | ||
sph_gost512_context gost1; | ||
} Xhash_context_holder; | ||
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static __thread Xhash_context_holder base_contexts; | ||
static __thread bool init = false; | ||
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static void init_Xhash_contexts() | ||
{ | ||
sph_skein512_init(&base_contexts.skein1); | ||
sph_shavite512_init(&base_contexts.shavite1); | ||
sph_shabal512_init(&base_contexts.shabal1); | ||
sph_gost512_init(&base_contexts.gost1); | ||
init = true; | ||
} | ||
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void veltor_hash(void *output, const void *input) | ||
{ | ||
Xhash_context_holder ctx; | ||
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uint32_t hashA[16]; | ||
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if (!init) init_Xhash_contexts(); | ||
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memcpy(&ctx, &base_contexts, sizeof(base_contexts)); | ||
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sph_skein512(&ctx.skein1, input, 80); | ||
sph_skein512_close(&ctx.skein1, hashA); | ||
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sph_shavite512(&ctx.shavite1, hashA, 64); | ||
sph_shavite512_close(&ctx.shavite1, hashA); | ||
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sph_shabal512(&ctx.shabal1, hashA, 64); | ||
sph_shabal512_close(&ctx.shabal1, hashA); | ||
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sph_gost512(&ctx.gost1, hashA, 64); | ||
sph_gost512_close(&ctx.gost1, hashA); | ||
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memcpy(output, hashA, 32); | ||
} | ||
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int scanhash_veltor(int thr_id, struct work *work, uint32_t max_nonce, uint64_t *hashes_done) | ||
{ | ||
uint32_t _ALIGN(128) hash[8]; | ||
uint32_t _ALIGN(128) endiandata[20]; | ||
uint32_t *pdata = work->data; | ||
uint32_t *ptarget = work->target; | ||
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const uint32_t Htarg = ptarget[7]; | ||
const uint32_t first_nonce = pdata[19]; | ||
uint32_t nonce = first_nonce; | ||
volatile uint8_t *restart = &(work_restart[thr_id].restart); | ||
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if (opt_benchmark) | ||
ptarget[7] = 0x0cff; | ||
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// we need bigendian data... | ||
for (int i=0; i < 19; i++) { | ||
be32enc(&endiandata[i], pdata[i]); | ||
} | ||
do { | ||
be32enc(&endiandata[19], nonce); | ||
veltor_hash(hash, endiandata); | ||
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if (hash[7] <= Htarg && fulltest(hash, ptarget)) { | ||
work_set_target_ratio(work, hash); | ||
pdata[19] = nonce; | ||
*hashes_done = pdata[19] - first_nonce; | ||
return 1; | ||
} | ||
nonce++; | ||
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} while (nonce < max_nonce && !(*restart)); | ||
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pdata[19] = nonce; | ||
*hashes_done = pdata[19] - first_nonce + 1; | ||
return 0; | ||
} |
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