in akd/src/ecvrf/tests.rs [180:189]
fn test_expand_secret_key() {
for tv in TESTVECTORS.iter() {
let sk = from_string!(VRFPrivateKey, tv.SK);
println!("{:?}", sk);
let esk = VRFExpandedPrivateKey::from(&sk);
let pk = VRFPublicKey::try_from(&sk).unwrap();
assert_eq!(tv.PK, to_string!(pk));
assert_eq!(tv.x, to_string!(esk.key));
}
}