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Check for the coinbase/append mutable in GBT support to decide whether to use it or not.

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This commit is contained in:
Con Kolivas 2012-11-01 15:36:22 +11:00
parent d10699d4c3
commit 26e0115030
1 changed files with 29 additions and 7 deletions
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32
cgminer.c
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@ -1359,15 +1359,14 @@ static void calc_midstate(struct work *work)
static bool work_decode(struct pool *pool, struct work *work, json_t *val)
{
json_t *res_val = json_object_get(val, "result");
bool ret = false;
json_t *res_val;
if (pool->has_gbt) {
work->gbt = true;
goto out;
}
res_val = json_object_get(val, "result");
if (unlikely(!jobj_binary(res_val, "data", work->data, sizeof(work->data), true))) {
applog(LOG_ERR, "JSON inval data");
goto out;
@ -4455,13 +4454,36 @@ retry_stratum:
val = json_rpc_call(curl, pool->rpc_url, pool->rpc_userpass,
gbt_req, true, false, &rolltime, pool, false);
if (val) {
json_t *res_val, *mutables;
int i, mutsize = 0;
res_val = json_object_get(val, "result");
if (res_val) {
mutables = json_object_get(res_val, "mutable");
mutsize = json_array_size(mutables);
}
for (i = 0; i < mutsize; i++) {
json_t *arrval = json_array_get(mutables, i);
if (json_is_string(arrval)) {
const char *mutable = json_string_value(arrval);
/* Only use GBT if it supports coinbase append */
if (!strncasecmp(mutable, "coinbase/append", 15)) {
pool->has_gbt = true;
pool->rpc_req = gbt_req;
applog(LOG_DEBUG, "GBT support found, switching to GBT protocol");
break;
}
}
}
json_decref(val);
} else
applog(LOG_DEBUG, "No GBT support found, using getwork protocol");
}
pool->probed = false;
if (pool->has_gbt)
applog(LOG_DEBUG, "GBT coinbase append support found, switching to GBT protocol");
else
applog(LOG_DEBUG, "No GBT coinbase append support found, using getwork protocol");
}
gettimeofday(&tv_getwork, NULL);