Audit changes

hub/api/db/written.go

@@ -1,5 +1,7 @@
 package db
 
+import "database/sql"
+
 func Peer_ListAll(tx TX, networkID int64) ([]*Peer, error) {
 	const query = Peer_SelectQuery + ` WHERE NetworkID=? ORDER BY PeerIP ASC`
 	return Peer_List(tx, query, networkID)
@@ -11,3 +13,9 @@ func Peer_GetByAPIKey(tx TX, apiKey string) (*Peer, error) {
 		Peer_SelectQuery+` WHERE APIKey=?`,
 		apiKey)
 }
+
+func Network_HasPeers(db *sql.DB, networkID int64) (exists bool, err error) {
+	const query = "SELECT EXISTS(SELECT 1 FROM peers WHERE NetworkID=?)"
+	err = db.QueryRow(query, networkID).Scan(&exists)
+	return exists, err
+}