mempool/ckpool
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Fix lower diff bound.

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This commit is contained in:
Con Kolivas 2023-05-24 22:00:22 +10:00
parent 87631eaff3
commit a7d9bf5793
1 changed files with 6 additions and 2 deletions
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8
src/libckpool.c
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@ -2192,13 +2192,17 @@ double diff_from_nbits(char *nbits)
{
uint8_t shift = nbits[0];
uchar target[32] = {};
char *nb;
nb = bin2hex(nbits, 4);
LOGDEBUG("Nbits is %s", nb);
free(nb);
if (unlikely(shift < 3)) {
LOGWARNING("Corrupt shift of %d in nbits", shift);
shift = 3;
} else if (unlikely(shift > 29)) {
} else if (unlikely(shift > 32)) {
LOGWARNING("Corrupt shift of %d in nbits", shift);
shift = 29;
shift = 32;
}
memcpy(target + (32 - shift), nbits + 1, 3);
return diff_from_betarget(target);