https://github.com/mmsaki/blockchain

A blockchain app using streamlit in python.
https://github.com/mmsaki/blockchain

dataclasses hashlib pychain python streamlit-webapp typing web3py

Last synced: 16 days ago
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A blockchain app using streamlit in python.

• Host: GitHub
• URL: https://github.com/mmsaki/blockchain
• Owner: mmsaki
• Created: 2022-07-23T13:19:48.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2022-07-23T14:57:05.000Z (over 2 years ago)
• Last Synced: 2023-03-05T05:03:55.514Z (almost 2 years ago)
• Topics: dataclasses, hashlib, pychain, python, streamlit-webapp, typing, web3py
• Language: Python
• Homepage:
• Size: 904 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# PyChain Ledger

I created a blockchain app using python. There are three main dataclasses I wrote for this app. **Record, Block and Pychain**. I used sha256 from Hashlib library to create the hashes for the pychain. The default difficulty for the **proof of work** function can be adjusted by a slider on the streamlit app. The pychain ledger will be printed as a dataframe object on the app.

To test the app, clone this repo to a direcotory in your local machine. Then follow the following steps.

Using terminal, get into the blockhain directory:

```

cd blockchain

```

If you have streamlit installed. Run the app on your terminal:

```

streamlit run pychain.py

```

Otherwise install streamlit using `pip install streamlit` and then run the `pychain.py` app.

To interact with the pychain ledger, provide input values for `sender`, `receiver` and `amount`.

Once you get the app running, it should look like this:

!['Stream lit screenshot'](./images/pychain_screenshot.jpg)