Allow disable extranonce subscribe

miner.h

@@ -1078,6 +1078,7 @@ extern int nDevs;
 extern int hw_errors;
 extern bool use_syslog;
 extern bool opt_quiet;
+extern bool opt_extranonce_subscribe;
 extern struct thr_info *control_thr;
 extern struct thr_info **mining_thr;
 extern struct cgpu_info gpus[MAX_GPUDEVICES];

sgminer.c

@@ -151,6 +151,7 @@ bool opt_api_network;
 bool opt_delaynet;
 bool opt_disable_pool;
 bool opt_disable_client_reconnect = false;
+bool opt_extranonce_subscribe = true;
 static bool no_work;
 bool opt_worktime;
 #if defined(HAVE_LIBCURL) && defined(CURL_HAS_KEEPALIVE)
@@ -1327,6 +1328,9 @@ static struct opt_table opt_config_table[] = {
 	OPT_WITHOUT_ARG("--no-submit-stale",
 			opt_set_invbool, &opt_submit_stale,
 		        "Don't submit shares if they are detected as stale"),
+	OPT_WITHOUT_ARG("--no-extranonce-subscribe",
+			opt_set_invbool, &opt_extranonce_subscribe,
+			"Disable 'extranonce' stratum subscribe"),
 	OPT_WITH_ARG("--pass|-p",
 		     set_pass, NULL, NULL,
 		     "Password for bitcoin JSON-RPC server"),
@@ -5207,7 +5211,7 @@ static bool parse_stratum_response(struct pool *pool, char *s)
 	if (err_val && !json_is_null(err_val))  {
 		char *ss;
 		ss = (char *)json_string_value(json_array_get(err_val, 1));
-		if (strcmp(ss, "Method 'subscribe' not found for service 'mining.extranonce'") == 0) {
+		if (opt_extranonce_subscribe && strcmp(ss, "Method 'subscribe' not found for service 'mining.extranonce'") == 0) {
 			applog(LOG_INFO, "Cannot subscribe to mining.extranonce on %s", get_pool_name(pool));
 			goto out;
 		}
@@ -5682,7 +5686,7 @@ retry_stratum:
 		bool init = pool_tset(pool, &pool->stratum_init);
 
 		if (!init) {
-			bool ret = initiate_stratum(pool) && auth_stratum(pool) && subscribe_extranonce(pool);
+			bool ret = initiate_stratum(pool) && auth_stratum(pool) && (!opt_extranonce_subscribe || subscribe_extranonce(pool));
 
 			if (ret)
 				init_stratum_threads(pool);

util.c

@@ -2522,7 +2522,7 @@ bool restart_stratum(struct pool *pool)
 		return false;
 	if (!auth_stratum(pool))
 		return false;
-	if (!subscribe_extranonce(pool))
+	if (opt_extranonce_subscribe && !subscribe_extranonce(pool))
 		return false;
 
 	return true;