A smart contract to:

• Store and retrieve a value.
• Store a person and their favourite number

A python script to:

• Connect to a Blockchain (Testnet, Mainnet)
• Get an account safely:
  • From brownie if we want to test
  • A real one via the config & .env file
• Deploy our contract
• Retrieve the initial stored value
• Create a new transaction to update the stored value
• Retrieve the new stored value

• Retrieve the most recent deployed contract

• Test if the deployment is correct
• Test if updating the value works correctly

To run the code there are some requirements. You must install:

Install pipx by running the following on the command line: python -m pip install --user pipx then python3 -m pipx ensurepath

For more information check: Install pipx

Install Brownie by running the following on the command line: pip install eth-brownie

For more information check: Install Brownie

This is the Lesson 5 of the freeCodeCamp.org tutorial: https://www.youtube.com/watch?v=M576WGiDBdQ with more comments.