Learn Blockchain by Building One
This is the full source code for my book, Learn Blockchain by Building One (Apress / Amazon).
Please submit any issues found in the code here: https://github.com/dvf/blockchain-book/issues
And if I haven't responded to them, please get my attention at [email protected] and I'll do my best to help you out.
The Code
The finalized blockchain is located in /chapters/chapter_7.
Please ensure all dependencies are installed:
cd chapters/chapter_7
poetry installCreating virtualenv chapter-7-uY9ygsE2-py3.8 in /home/dan3x/.cache/pypoetry/virtualenvs
Installing dependencies from lock file
Package operations: 50 installs, 0 updates, 0 removals
β’ Installing pyparsing (2.4.7)
β’ Installing six (1.15.0)
β’ Installing attrs (20.2.0)
β’ Installing colorama (0.4.3)
β’ Installing idna (2.10)
β’ Installing iniconfig (1.0.1)
...
Then you can run the node:
$ poetry shell
(chapter-7-py3.8) $ python node.py
2021-02-16 11:37.35 Creating genesis block
2021-02-16 11:37.35 Server listening on 0.0.0.0:8888
2021-02-16 11:37.35 Found external IP: XXX.XXX.XXX.XXX