Function check_hash_valid

header-chain/src/header_chain.rs:345–353

(hash: &[u8; 32], target_bytes: &[u8; 32])

}

fn check_hash_valid(hash: &[u8; 32], target_bytes: &[u8; 32]) {
    for i in 0..32 {
        if hash[31 - i] < target_bytes[i] {
            return;
        } else if hash[31 - i] > target_bytes[i] {
            panic!("Hash is not valid");
        }
    }
}

fn calculate_work(target: &[u8; 32]) -> U256 {
    let target = U256::from_be_slice(target);