GOSTSec/sgminer
1
0
Fork 0
mirror of https://github.com/GOSTSec/sgminer synced 2025-01-11 07:17:58 +00:00
Code Issues Releases Wiki Activity

Use a 64 bit unsigned integer on the diff target to generate the hex target.

Browse Source
This commit is contained in:
ckolivas 2012-10-11 10:46:45 +11:00
parent a533f106fd
commit ca962ee58b
1 changed files with 6 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
cgminer.c
View File

@ -4533,18 +4533,13 @@ static void gen_hash(unsigned char *data, unsigned char *hash, int len)
static void set_work_target(struct work *work, int diff) static void set_work_target(struct work *work, int diff)
{ {
unsigned char rtarget[33], target[33]; unsigned char rtarget[33], target[33];
uint8_t *data8; uint64_t *data64, h64;
int i, j;
/* Scale to any diff by setting number of bits according to diff */ hex2bin(rtarget, "00000000ffff0000000000000000000000000000000000000000000000000000", 32);
hex2bin(rtarget, "00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 32); data64 = (uint64_t *)(rtarget + 4);
data8 = (uint8_t *)(rtarget + 4); h64 = be64toh(*data64);
for (i = 1, j = 0; i < diff; i++, j++) { h64 /= (uint64_t)diff;
int byte = j / 8; *data64 = htobe64(h64);
int bit = j % 8;
data8[byte] &= ~(128 >> bit);
}
swab256(target, rtarget); swab256(target, rtarget);
if (opt_debug) { if (opt_debug) {
char *htarget = bin2hex(target, 32); char *htarget = bin2hex(target, 32);