blockchain.blockchain package¶
Submodules¶
blockchain.blockchain.block module¶
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class
blockchain.blockchain.block.
Block
(index: int, data: blockchain.blockchain.data.Data, proof: int, previous_hash: str)[source]¶ Bases:
object
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__bytes__
() → bytes[source]¶ Uses the encoded string representation of this
Block
object asbytes
representation.Returns: byte
representation ofBlock
object.Return type: bytes
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__eq__
(other: object) → bool[source]¶ Method for comparing two
Block
objects.Parameters: other (Block) – Block
object to compare withself
.Returns: True
if blocks are equal.False
otherwise.Return type: bool
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__repr__
() → str[source]¶ String representation of
Block
object.Returns: String representation of Block
object.Return type: str
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data
¶
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index
¶
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previous_hash
¶
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proof
¶
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timestamp
¶
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blockchain.blockchain.blockchain module¶
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class
blockchain.blockchain.blockchain.
Blockchain
(path_to_chain: str, json_format: bool, force_new_chain: bool)[source]¶ Bases:
object
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_load_chain
() → None[source]¶ Helper method to load chain from disk. Raises an error if no chain is found.
Raises: ChainNotFoundError
– Will be raised if no local chain could be found.
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add_new_block
(data: blockchain.blockchain.data.Data, proof: int, previous_hash: str) → blockchain.blockchain.block.Block[source]¶ Adds a new Block to the existing chain.
Parameters:
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chain
¶
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genesis_block
= | ================================================================================ | [1mindex[0m: 0 | [1mtime[0m: 1581268480.1071372 | [1mproof[0m: None | [1mprev. hash[0m: None | __________________________________________________________________ | [1mdata[0m: | id: 7134c40e0c604549b68bf48b63608fc8 | | message: This is the workload of the very first Block in this chain! | _________________________________________________________________ | ================================================================================ ¶
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genesis_block_hash
= '9ac2b6f3f9f89f0686727a82f8c783e03bb8c4a4486ebe7288710d4b6426e98b'¶
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json_format
¶
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last_block
¶
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path_to_chain
¶
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