def create_commit_bls_sig(bls_bft, req_key, pre_prepare):
    (view_no, pp_seq_no) = req_key
    params = create_commit_params(view_no, pp_seq_no)
    params = bls_bft.update_commit(params, pre_prepare)
    return Commit(*params)
def create_commit_bls_sig(bls_bft, req_key, pre_prepare):
    (view_no, pp_seq_no) = req_key
    params = create_commit_params(view_no, pp_seq_no)
    params = bls_bft.update_commit(params, pre_prepare)
    return Commit(*params)