package handler import "fmt" func validateUsername(username string) error { if username == "" { return fmt.Errorf("please enter the username") } return nil } func validatePasswords(pOne, pTwo string) error { if pOne == "" || pTwo == "" { return fmt.Errorf("please enter the password twice") } if !(pOne == pTwo) { return fmt.Errorf("the two passwords entered were not the same") } return nil } func validateAPIKey(apiKey, secret string) error { if apiKey == "" || secret == "" { return fmt.Errorf("please enter both the api key and secret") } return nil }