def test_is_valid_block_jumped_difficulty(last_block, block): jumped_difficulty = 10 block.difficulty = jumped_difficulty block.hash = f'{"0" * jumped_difficulty}111abc' with pytest.raises(Exception, match='difficulty must only adjust by 1'): Block.is_valid_block(last_block, block)
def test_is_valid_block_bad_block_hash(last_block, block): block.hash = '0000000000000000bbbabc' with pytest.raises(Exception, match='block hash must be correct'): Block.is_valid_block(last_block, block)
def test_is_valid_block_bad_last_hash(last_block, block): block.last_hash = 'evil_last_hash' with pytest.raises(Exception, match='last_hash must be correct'): Block.is_valid_block(last_block, block)
def test_is_valid_block_bad_proof_of_work(last_block, block): block.hash = 'fff' with pytest.raises(Exception, match='proof of work requirement was not met'): Block.is_valid_block(last_block, block)
def test_is_valid_block(last_block, block): Block.is_valid_block(last_block, block)