def test_slot_transition(state):
test_state = deepcopy(state)
cache_state(test_state)
advance_slot(test_state)
assert test_state.slot == state.slot + 1
assert get_state_root(test_state, state.slot) == state.hash_tree_root()
return test_state
def test_empty_block_transition(state):
test_state = deepcopy(state)
block = construct_empty_block_for_next_slot(state)
advance_slot(test_state)
process_block(test_state, block)
assert len(test_state.eth1_data_votes) == len(state.eth1_data_votes) + 1
assert get_block_root(test_state, state.slot) == block.previous_block_root