debug: a new boolean to log or not json rpc data

cpu-miner.c

@@ -168,6 +168,7 @@ static const char *algo_names[] = {
 };
 
 bool opt_debug = false;
+bool opt_debug_rpc = false;
 bool opt_protocol = false;
 bool opt_benchmark = false;
 bool want_longpoll = true;
@@ -522,6 +523,10 @@ static bool submit_upstream_work(CURL *curl, struct work *work)
 		json_decref(val);
 	}
 
+	if (opt_debug_rpc) {
+		applog(LOG_DEBUG, "submit: %s", s);
+	}
+
 	rc = true;
 
 out:
@@ -1325,6 +1330,7 @@ static void parse_arg (int key, char *arg)
 		break;
 	case 'D':
 		opt_debug = true;
+		opt_debug_rpc = true;
 		break;
 	case 'p':
 		free(rpc_pass);

miner.h

@@ -285,6 +285,7 @@ struct work_restart {
 };
 
 extern bool opt_debug;
+extern bool opt_debug_rpc;
 extern bool opt_protocol;
 extern int opt_timeout;
 extern bool want_longpoll;

util.c

@@ -1205,7 +1205,7 @@ bool stratum_handle_method(struct stratum_ctx *sctx, const char *s)
 	id = json_object_get(val, "id");
 	params = json_object_get(val, "params");
 
-	if (opt_debug) {
+	if (opt_debug_rpc) {
 		applog(LOG_DEBUG, "method: %s", s);
 	}