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@ -5922,38 +5922,23 @@ static void gen_hash(unsigned char *data, unsigned char *hash, int len)
@@ -5922,38 +5922,23 @@ static void gen_hash(unsigned char *data, unsigned char *hash, int len)
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sha256(hash1, 32, hash); |
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} |
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/* Diff 1 is a 256 bit unsigned integer of
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* 0x00000000ffff0000000000000000000000000000000000000000000000000000 |
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* so we use a big endian 64 bit unsigned integer centred on the 5th byte to |
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* cover a huge range of difficulty targets, though not all 256 bits' worth */ |
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void set_target(unsigned char *dest_target, double diff) |
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{ |
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unsigned char target[32]; |
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unsigned char target[32], rtarget[32]; |
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uint64_t *data64, h64; |
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double d64; |
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d64 = diffone; |
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if (opt_scrypt) |
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d64 = 0xFFFF00000000ull; |
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else |
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d64 = 0xFFFF0000ull; |
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d64 /= diff; |
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h64 = d64; |
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memset(target, 0, 32); |
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if (h64) { |
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unsigned char rtarget[32]; |
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memset(rtarget, 0, 32); |
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if (opt_scrypt) |
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data64 = (uint64_t *)(rtarget + 2); |
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else |
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data64 = (uint64_t *)(rtarget + 4); |
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*data64 = htobe64(h64); |
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swab256(target, rtarget); |
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} else { |
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/* Support for the classic all FFs just-below-1 diff */ |
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if (opt_scrypt) |
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memset(target, 0xff, 30); |
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else |
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memset(target, 0xff, 28); |
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} |
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memset(rtarget, 0xFF, 32); |
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data64 = (uint64_t *)rtarget; |
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*data64 = htobe64(h64); |
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swab256(target, rtarget); |
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if (opt_debug) { |
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char *htarget = bin2hex(target, 32); |
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