package mohong import "errors" var ( ErrDependencyUnavailable = errors.New("dependency unavailable") ErrProductNotFound = errors.New("product not found") ErrProductUnavailable = errors.New("product unavailable") ErrStockInsufficient = errors.New("stock insufficient") ErrInvalidRequest = errors.New("invalid request") ErrOrderNotFound = errors.New("order not found") ErrOrderCannotPay = errors.New("order cannot pay") ErrOrderCannotCancel = errors.New("order cannot cancel") ErrOrderCannotReceive = errors.New("order cannot receive") ErrOrderCannotComplete = errors.New("order cannot complete") ErrUnauthorized = errors.New("unauthorized") )