Function schnorrkel::vrf::vrf_verify_batch

pub fn vrf_verify_batch<T, I>(
    transcripts: I, 
    outs: &[VRFOutput], 
    proofs: &[VRFProofBatchable], 
    publickeys: &[PublicKey]
) -> SignatureResult<Box<[VRFInOut]>> where
    T: VRFSigningTranscript,
    I: IntoIterator<Item = T>, 

Batch verify VRFs by different signers