Function check_proof_zk 

pub fn check_proof_zk<H>(
    verifier: &ZKVerifier<H>,
    witness: &ValueVec,
    proof_bytes: Vec<u8>,
    message: Option<&[u8]>,
) -> Result<()>
where
    H: ParallelHashSuite,
    Output<H::LeafHash>: SerializeBytes + DeserializeBytes,

Verify a ZK proof given its raw transcript bytes.