wathc out for genesis blocks

fantom/scripts/entrypoint.opera.sh

@@ -12,7 +12,9 @@ filename=$(basename "$url")
 if [ ! -f "$datadir/bootstrapped" ]; then
     echo "Initializing Opera..."
 
-    if [ ! -f "$datadir/$filename" ]; then
+    if ls $datadir/*.g >/dev/null 2>&1; then
+	echo "Some genesis block seems to exist"
+    else
 	wget -P "$datadir" "$url"
     fi