Added --coin pool parameter.

api.c

@@ -1819,6 +1819,7 @@ static void poolstatus(struct io_data *io_data, __maybe_unused SOCKETTYPE c, __m
 
 		root = api_add_int(root, "POOL", &i, false);
 		root = api_add_string(root, "Name", pool->name, false);
+		root = api_add_string(root, "Coin", pool->coin, false);
 		root = api_add_escape(root, "URL", pool->rpc_url, false);
 		root = api_add_string(root, "Status", status, false);
 		root = api_add_int(root, "Priority", &(pool->prio), false);

miner.h

@@ -1172,6 +1172,7 @@ struct stratum_work {
 struct pool {
 	int pool_no;
 	char *name;
+	char *coin;
 	int prio;
 	int accepted, rejected;
 	int seq_rejects;

sgminer.c

@@ -554,6 +554,8 @@ struct pool *add_pool(void)
 	pool->quota = 1;
 	adjust_quota_gcd();
 
+	pool->coin = "";
+
 	return pool;
 }
 
@@ -925,6 +927,16 @@ static char *set_pool_priority(char *arg)
 	return NULL;
 }
 
+static char *set_pool_coin(char *arg)
+{
+	struct pool *pool = get_current_pool();
+
+	applog(LOG_DEBUG, "Setting pool %i coin to %s", pool->pool_no, arg);
+	opt_set_charp(arg, &pool->coin);
+
+	return NULL;
+}
+
 static char *enable_debug(bool *flag)
 {
 	*flag = true;
@@ -1397,6 +1409,9 @@ static struct opt_table opt_config_table[] = {
 	OPT_WITH_ARG("--pool-priority",
 			 set_pool_priority, NULL, NULL,
 			 "Pool priority"),
+	OPT_WITH_ARG("--coin",
+		     set_pool_coin, NULL, NULL,
+		     "Pool coin"),
 	OPT_WITHOUT_ARG("--worktime",
 			opt_set_bool, &opt_worktime,
 			"Display extra work time debug information"),