emcpow2 / pyblockchain Goto Github PK

Current mmap position:  998179
Total mmap size:  134013860
Traceback (most recent call last):
  File "test.py", line 5, in <module>
    for block in block_reader:
  File "/home/dnelson/projects/blockchain-parsing/venv/lib/python3.5/site-packages/blockchain/reader.py", line 35, in __iter__
    raise err
  File "/home/dnelson/projects/blockchain-parsing/venv/lib/python3.5/site-packages/blockchain/reader.py", line 31, in __iter__
    block = Block.from_binary_data(blockchain_mview, offset=0)
  File "/home/dnelson/projects/blockchain-parsing/venv/lib/python3.5/site-packages/blockchain/block.py", line 412, in from_binary_data
    offset=offset,
  File "/home/dnelson/projects/blockchain-parsing/venv/lib/python3.5/site-packages/blockchain/block.py", line 130, in from_binary_data
    tup = struct.unpack_from(header_fmt, data, offset=offset)
struct.error: unpack_from requires a buffer of at least 88 bytes

from blockchain.reader import BlockchainFileReader

block_reader = BlockchainFileReader('blocks/blk00600.dat')
for block in block_reader:
    pass

[dnelson@blueharvest blockchain-parsing]$ python
Python 3.4.2 (default, Jul 29 2015, 07:46:38) 
[GCC 4.9.2 20150212 (Red Hat 4.9.2-6)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from blockchain.reader import BlockchainFileReader
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/dnelson/.pyenv/versions/3.4.2/lib/python3.4/site-packages/blockchain/reader.py", line 4, in <module>
    from .block import Block
  File "/home/dnelson/.pyenv/versions/3.4.2/lib/python3.4/site-packages/blockchain/block.py", line 11, in <module>
    from typing import Sequence
ImportError: No module named 'typing'
>>> import typing
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named 'typing'
>>> 
[dnelson@blueharvest blockchain-parsing]$ pip install typing
Collecting typing
  Downloading typing-3.5.2.2.tar.gz (51kB)
    100% |████████████████████████████████| 51kB 2.1MB/s 
Installing collected packages: typing
  Running setup.py install for typing ... done
Successfully installed typing-3.5.2.2
[dnelson@blueharvest blockchain-parsing]$ python
Python 3.4.2 (default, Jul 29 2015, 07:46:38) 
[GCC 4.9.2 20150212 (Red Hat 4.9.2-6)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from blockchain.reader import BlockchainFileReader
>>>