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Properly check shares against target difficulty.

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This commit is contained in:
Con Kolivas 2011-10-09 11:19:40 +11:00
parent 6dc10efaa5
commit 6cd906a460
1 changed files with 26 additions and 6 deletions
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22
main.c
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@ -3957,15 +3957,35 @@ err_out:
return false; return false;
} }
bool hashtest(const struct work *work)
{
uint32_t *data32 = (uint32_t *)(work->data);
unsigned char swap[128];
uint32_t *swap32 = (uint32_t *)swap;
unsigned char hash1[32];
int i;
for (i = 0; i < 80 / 4; i++)
swap32[i] = swab32(data32[i]);
sha2(swap, 80, hash1, false);
sha2(hash1, 32, (unsigned char *)(work->hash), false);
return fulltest(work->hash, work->target);
}
bool submit_nonce(struct thr_info *thr, struct work *work, uint32_t nonce) bool submit_nonce(struct thr_info *thr, struct work *work, uint32_t nonce)
{ {
work->data[64 + 12 + 0] = (nonce >> 0) & 0xff; work->data[64 + 12 + 0] = (nonce >> 0) & 0xff;
work->data[64 + 12 + 1] = (nonce >> 8) & 0xff; work->data[64 + 12 + 1] = (nonce >> 8) & 0xff;
work->data[64 + 12 + 2] = (nonce >> 16) & 0xff; work->data[64 + 12 + 2] = (nonce >> 16) & 0xff;
work->data[64 + 12 + 3] = (nonce >> 24) & 0xff; work->data[64 + 12 + 3] = (nonce >> 24) & 0xff;
/* Do one last check before attempting to submit the work */ /* Do one last check before attempting to submit the work */
if (!fulltest(work->data + 64, work->target)) if (!hashtest(work)) {
applog(LOG_INFO, "Share below target");
return true; return true;
}
return submit_work_sync(thr, work); return submit_work_sync(thr, work);
} }