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Generalise the code for solving a block to enable block solve detection with scrypt mining.

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This commit is contained in:
Con Kolivas 2012-12-25 14:36:08 +11:00
parent f0c1782c03
commit 98151b2ee4
1 changed files with 18 additions and 16 deletions
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34
cgminer.c
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@ -2138,13 +2138,9 @@ void clear_logwin(void)
}
#endif
/* regenerate the full work->hash value and also return true if it's a block */
bool regeneratehash(const struct work *work)
/* Returns true if the regenerated work->hash solves a block */
static bool solves_block(const struct work *work)
{
uint32_t *data32 = (uint32_t *)(work->data);
unsigned char swap[80];
uint32_t *swap32 = (uint32_t *)swap;
unsigned char hash1[32];
uint32_t *hash32 = (uint32_t *)(work->hash);
uint32_t difficulty = 0;
uint32_t diffbytes = 0;
@ -2153,10 +2149,6 @@ bool regeneratehash(const struct work *work)
int diffshift = 0;
int i;
flip80(swap32, data32);
sha2(swap, 80, hash1);
sha2(hash1, 32, (unsigned char *)(work->hash));
difficulty = swab32(*((uint32_t *)(work->data + 72)));
diffbytes = ((difficulty >> 24) & 0xff) - 3;
@ -3072,16 +3064,26 @@ static bool stale_work(struct work *work, bool share)
return false;
}
static void regen_hash(struct work *work)
{
uint32_t *data32 = (uint32_t *)(work->data);
unsigned char swap[80];
uint32_t *swap32 = (uint32_t *)swap;
unsigned char hash1[32];
flip80(swap32, data32);
sha2(swap, 80, hash1);
sha2(hash1, 32, (unsigned char *)(work->hash));
}
static void check_solve(struct work *work)
{
if (opt_scrypt)
scrypt_outputhash(work);
else {
#ifndef MIPSEB
/* This segfaults on openwrt */
work->block = regeneratehash(work);
#endif
}
else
regen_hash(work);
work->block = solves_block(work);
if (unlikely(work->block)) {
work->pool->solved++;
found_blocks++;