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Only perform the bin2hex on nonce2 data if it's required for stratum submission, thereby removing the last conversion of that type from stratum work generation.

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This commit is contained in:
Con Kolivas 2013-08-13 06:09:42 +10:00
parent 87ae66c7e6
commit c8aac74114
2 changed files with 16 additions and 19 deletions
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32
cgminer.c
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@ -1550,7 +1550,6 @@ static struct work *make_work(void)
void clean_work(struct work *work)
{
free(work->job_id);
free(work->nonce2);
free(work->ntime);
free(work->coinbase);
free(work->nonce1);
@ -3184,8 +3183,6 @@ void __copy_work(struct work *work, struct work *base_work)
work->job_id = strdup(base_work->job_id);
if (base_work->nonce1)
work->nonce1 = strdup(base_work->nonce1);
if (base_work->nonce2)
work->nonce2 = strdup(base_work->nonce2);
if (base_work->ntime)
work->ntime = strdup(base_work->ntime);
if (base_work->coinbase)
@ -5154,9 +5151,9 @@ static void *stratum_sthread(void *userdata)
while (42) {
struct stratum_share *sshare;
uint32_t *hash32, nonce;
char *noncehex, *nonce2;
struct work *work;
bool submitted;
char *noncehex;
char s[1024];
if (unlikely(pool->removed))
@ -5182,9 +5179,17 @@ static void *stratum_sthread(void *userdata)
sshare->id = swork_id++;
mutex_unlock(&sshare_lock);
/* nonce2 length can be bigger than uint32_t but we only use
* the 4 bytes so avoid potential overflow if a pool has set a
* large length by allocating the ram ourselves and using the
* low level __bin2hex function. */
align_len(&work->nonce2_len);
nonce2 = alloca(work->nonce2_len);
__bin2hex(nonce2, (const unsigned char *)&work->nonce2, sizeof(uint32_t));
snprintf(s, sizeof(s),
"{\"params\": [\"%s\", \"%s\", \"%s\", \"%s\", \"%s\"], \"id\": %d, \"method\": \"mining.submit\"}",
pool->rpc_user, work->job_id, work->nonce2, work->ntime, noncehex, sshare->id);
pool->rpc_user, work->job_id, nonce2, work->ntime, noncehex, sshare->id);
free(noncehex);
applog(LOG_INFO, "Submitting share %08lx to pool %d",
@ -5587,16 +5592,15 @@ void set_target(unsigned char *dest_target, double diff)
static void gen_stratum_work(struct pool *pool, struct work *work)
{
unsigned char merkle_root[32], merkle_sha[64];
uint32_t *data32, *swap32, nonce2;
size_t nonce2_len;
uint32_t *data32, *swap32;
int i;
cg_wlock(&pool->data_lock);
/* Update coinbase */
memcpy(pool->coinbase + pool->nonce2_offset, &pool->nonce2, sizeof(uint32_t));
nonce2 = pool->nonce2++;
nonce2_len = pool->n2size;
work->nonce2 = pool->nonce2++;
work->nonce2_len = pool->n2size;
/* Downgrade to a read lock to read off the pool variables */
cg_dwlock(&pool->data_lock);
@ -5627,14 +5631,6 @@ static void gen_stratum_work(struct pool *pool, struct work *work)
work->ntime = strdup(pool->swork.ntime);
cg_runlock(&pool->data_lock);
/* nonce2 length can be bigger than uint32_t but we only use the 4
* bytes so avoid potential overflow if a pool has set a large length */
align_len(&nonce2_len);
work->nonce2 = calloc(nonce2_len, 1);
if (unlikely(!work->nonce2))
quit(1, "Failed to calloc work nonce2 in gen_stratum_work");
__bin2hex(work->nonce2, (const unsigned char *)&nonce2, sizeof(uint32_t));
if (opt_debug) {
char *header, *merkle_hash;
@ -5642,7 +5638,7 @@ static void gen_stratum_work(struct pool *pool, struct work *work)
merkle_hash = bin2hex((const unsigned char *)merkle_root, 32);
applog(LOG_DEBUG, "Generated stratum merkle %s", merkle_hash);
applog(LOG_DEBUG, "Generated stratum header %s", header);
applog(LOG_DEBUG, "Work job_id %s nonce2 %s ntime %s", work->job_id, work->nonce2, work->ntime);
applog(LOG_DEBUG, "Work job_id %s nonce2 %d ntime %s", work->job_id, work->nonce2, work->ntime);
free(header);
free(merkle_hash);
}

3
miner.h
View File

@ -1258,7 +1258,8 @@ struct work {
bool stratum;
char *job_id;
char *nonce2;
uint32_t nonce2;
size_t nonce2_len;
char *ntime;
double sdiff;
char *nonce1;