Method hash_again

src/models/crypto.rs:45–53

Computes double-pass SHA256 hash by hashing this single-pass SHA256 again

(&self)

    // Computes double-pass SHA256 hash by hashing this single-pass SHA256 again
    pub fn hash_again(&self) -> DoubleSHA256Hash {
        // Second pass: hash the first hash result
        let double_hash = digest::digest(&digest::SHA256, &self.0);

        // Convert to fixed-size array
        let mut result = [0u8; 32];
        result.copy_from_slice(double_hash.as_ref());
        DoubleSHA256Hash(result)
    }

    #[allow(unused)]
    pub fn verify_eq(&self, other: &Self) -> bool {