fn padding()

in src/node_template.rs [61:70]

• 9 lines of code
• 1 McCabe index (conditional complexity)

    fn padding(idx: &TreeIndex, secret: &Secret) -> HashNodeSmt<D> {
        let mut pre_image = D::new();
        pre_image.update(secret.as_bytes());
        pre_image.update(&TreeIndex::serialize(&[*idx]));

        let mut hasher = D::new();
        hasher.update(PADDING_STRING.as_bytes());
        hasher.update(&pre_image.finalize().to_vec());
        HashNodeSmt::new(hasher.finalize().to_vec())
    }