def stream_header(self, f):
        stream_struct("L##LLL", f, self.version, self.previous_block_hash, self.merkle_root, self.timestamp, self.difficulty, self.nonce)
Tests that if a merge_to() call results in some merges at the top of
dataset/ETHPy150Open maraoz/proofofexistence/pycoin/block.py/BlockHeader.stream_header--crossover with--dataset/ETHPy150Open malcolmt/django-acacia/acacia/tests/test_models.py/TopicTest.test_merge_moves_all_subtrees