package base64Captcha

// Store An object implementing Store interface can be registered with SetCustomStore
// function to handle storage and retrieval of captcha ids and solutions for
// them, replacing the default memory store.
//
// It is the responsibility of an object to delete expired and used captchas
// when necessary (for example, the default memory store collects them in Set
// method after the certain amount of captchas has been stored.)
type Store interface {
	// Set sets the digits for the captcha id.
	Set(id string, value string) error

	// Get returns stored digits for the captcha id. Clear indicates
	// whether the captcha must be deleted from the store.
	Get(id string, clear bool) string

	//Verify captcha's answer directly
	Verify(id, answer string, clear bool) bool
}