def test_for_mining_block():
last_block = Block.genesis_block_generator()
data = 'test-data'
block = Block.mine_the_block(last_block, data)
assert isinstance(block, Block)
assert block.data == data
assert block.last_hash == last_block.hash
assert convert_hex_to_binary(block.hash)[0:block.difficulty] == '0' * block.difficulty
def test_for_mined_block_diffuculty_limit_at_1():
last_block = Block(
time.time_ns(),
'test_last_hash',
'test_hash',
'test_data',
1,
0
)
time.sleep(MINE_RATE / SECS)
mined_block = Block.mine_the_block(last_block, 'bar')
assert mined_block.difficulty == 1
def block(last_block):
return Block.mine_the_block(last_block, 'test_data')
def test_for_slowly_mined_blocks():
last_block = Block.mine_the_block(Block.genesis_block_generator(), 'foo')
time.sleep(MINE_RATE / SECS)
mined_block = Block.mine_the_block(last_block, 'bar')
assert mined_block.difficulty == last_block.difficulty - 1
def test_for_quickly_mined_blocks():
last_block = Block.mine_the_block(Block.genesis_block_generator(), 'foo')
mined_block = Block.mine_the_block(last_block, 'bar')
assert mined_block.difficulty == last_block.difficulty + 1
def add_block(self, data):
self.chain.append(Block.mine_the_block(self.chain[-1], data))
