From bb64799c8453c104704a07aee15888eef7dabc17 Mon Sep 17 00:00:00 2001 From: Con Kolivas Date: Sat, 22 Dec 2012 08:37:43 +1100 Subject: [PATCH] Correct target for stratum support with scrypt mining. --- cgminer.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/cgminer.c b/cgminer.c index ac00b198..b08ad3a6 100644 --- a/cgminer.c +++ b/cgminer.c @@ -4960,23 +4960,31 @@ static void gen_hash(unsigned char *data, unsigned char *hash, int len) * cover a huge range of difficulty targets, though not all 256 bits' worth */ static void set_work_target(struct work *work, double diff) { - unsigned char rtarget[32], target[32]; - double d64; + unsigned char target[32]; uint64_t *data64, h64; + double d64; d64 = diffone; d64 /= diff; h64 = d64; + memset(target, 0, 32); if (h64) { + unsigned char rtarget[32]; + memset(rtarget, 0, 32); - data64 = (uint64_t *)(rtarget + 4); + if (opt_scrypt) + data64 = (uint64_t *)(rtarget + 2); + else + data64 = (uint64_t *)(rtarget + 4); *data64 = htobe64(h64); swab256(target, rtarget); } else { /* Support for the classic all FFs just-below-1 diff */ - memset(target, 0xff, 28); - memset(&target[28], 0, 4); + if (opt_scrypt) + memset(target, 0xff, 30); + else + memset(target, 0xff, 28); } if (opt_debug) {