def METHOD_NAME(self, block: dict) -> None:
    block_num = block.get('number')
    proofs = block.get('proofs')
    for proof in proofs:
        vk = proof.get('signer')
        assert self.block_storage.is_member_at_block_height(block_num=block_num, vk=vk), f"block number {block_num} did not pass block consensus."