new --submit-stale parameter (#24)

ccminer.cpp

@@ -98,7 +98,7 @@ bool allow_gbt = true;
 bool allow_mininginfo = true;
 bool check_dups = true; //false;
 bool check_stratum_jobs = false;
-
+bool opt_submit_stale = false;
 bool submit_old = false;
 bool use_syslog = false;
 bool use_colors = true;
@@ -319,6 +319,7 @@ Options:\n\
   -T, --timeout=N       network timeout, in seconds (default: 300)\n\
   -s, --scantime=N      upper bound on time spent scanning current work when\n\
                           long polling is unavailable, in seconds (default: 10)\n\
+      --submit-stale    ignore stale jobs checks, may create more rejected shares\n\
   -n, --ndevs           list cuda devices\n\
   -N, --statsavg        number of samples used to compute hashrate (default: 30)\n\
       --no-gbt          disable getblocktemplate support (height check in solo)\n\
@@ -431,7 +432,8 @@ struct option options[] = {
 	{ "retries", 1, NULL, 'r' },
 	{ "retry-pause", 1, NULL, 'R' },
 	{ "scantime", 1, NULL, 's' },
-	{ "show-diff", 0, NULL, 1013 },
+	{ "show-diff", 0, NULL, 1013 }, // deprecated
+	{ "submit-stale", 0, NULL, 1015 },
 	{ "hide-diff", 0, NULL, 1014 },
 	{ "statsavg", 1, NULL, 'N' },
 	{ "gpu-clock", 1, NULL, 1070 },
@@ -897,7 +899,7 @@ static bool submit_upstream_work(CURL *curl, struct work *work)
 
 	/* discard if a newer block was received */
 	stale_work = work->height && work->height < g_work.height;
-	if (have_stratum && !stale_work && opt_algo != ALGO_ZR5 && opt_algo != ALGO_SCRYPT_JANE) {
+	if (have_stratum && !stale_work && !opt_submit_stale && opt_algo != ALGO_ZR5 && opt_algo != ALGO_SCRYPT_JANE) {
 		pthread_mutex_lock(&g_work_lock);
 		if (strlen(work->job_id + 8))
 			stale_work = strncmp(work->job_id + 8, g_work.job_id + 8, sizeof(g_work.job_id) - 8);
@@ -3530,6 +3532,9 @@ void parse_arg(int key, char *arg)
 	case 1014:
 		opt_showdiff = false;
 		break;
+	case 1015:
+		opt_submit_stale = true;
+		break;
 	case 'S':
 	case 1018:
 		applog(LOG_INFO, "Now logging to syslog...");