// writeResult writes the result of an oracle query to w in the specified
// format, "json" or "plain".
func writeResult(w io.Writer, res *oracle.Result, format string) {
if format == "json" {
b, err := json.Marshal(res.Serial())
if err != nil {
io.WriteString(w, err.Error())
return
}
w.Write(b)
return
}
res.WriteTo(w)
}
