|
|
@ -4530,15 +4530,19 @@ static void gen_hash(unsigned char *data, unsigned char *hash, int len) |
|
|
|
sha2(hash1, 32, hash, false); |
|
|
|
sha2(hash1, 32, hash, false); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Diff 1 is a 256 bit unsigned integer of
|
|
|
|
|
|
|
|
* 0x00000000ffff0000000000000000000000000000000000000000000000000000 |
|
|
|
|
|
|
|
* so we use a big endian 64 bit unsigned integer centred on the 5th byte to |
|
|
|
|
|
|
|
* cover a huge range of difficulty targets, though not all 256 bits' worth */ |
|
|
|
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]; |
|
|
|
uint64_t *data64, h64; |
|
|
|
uint64_t *data64, h64; |
|
|
|
|
|
|
|
|
|
|
|
hex2bin(rtarget, "00000000ffff0000000000000000000000000000000000000000000000000000", 32); |
|
|
|
h64 = 0xFFFF000000000000ull; |
|
|
|
data64 = (uint64_t *)(rtarget + 4); |
|
|
|
|
|
|
|
h64 = be64toh(*data64); |
|
|
|
|
|
|
|
h64 /= (uint64_t)diff; |
|
|
|
h64 /= (uint64_t)diff; |
|
|
|
|
|
|
|
memset(rtarget, 0, 32); |
|
|
|
|
|
|
|
data64 = (uint64_t *)(rtarget + 4); |
|
|
|
*data64 = htobe64(h64); |
|
|
|
*data64 = htobe64(h64); |
|
|
|
swab256(target, rtarget); |
|
|
|
swab256(target, rtarget); |
|
|
|
if (opt_debug) { |
|
|
|
if (opt_debug) { |
|
|
|