use std::str::FromStr;
use num_bigint::BigUint;
pub fn option_to_big(value: Option<&str>) -> BigUint {
str_to_big(value.unwrap())
}
pub fn str_to_big(value: &str) -> BigUint {
BigUint::from_str(value).expect("invalid literal value specified, expected valid BigUint value")
}