def deserialize(cls, chain: list):
"""
Create a new Blockchain instance from the provided serialized chain.
:param list chain: serialized chain of blocks.
:return Blockchain: blockchain created from provided stringified chain.
"""
chain = list(map(lambda block: Block.deserialize(block), chain))
return cls(chain)
def test_block_deserialization(self):
block = self.first_block.serialize()
self.assertIsInstance(Block.deserialize(block), Block)