        let sk: SignerKey = encoded.parse().unwrap();

        assert_eq!(sk, SignerKey::SIGNER_KEY_TYPE_ED25519(decoded));
    }

    #[test]
    fn test_string_to_public_key() {
        let encoded = SPK;
        let decoded = uint256([
            216, 137, 24, 69, 91, 229, 19, 62, 173, 227, 178, 45, 215, 144, 101, 154, 163, 253, 33,
            31, 108, 138, 64, 182, 177, 68, 174, 191, 48, 196, 121, 56,
        ]);
