Stable coin example

[rgottleber]

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Below is a summarization created by an LLM (gpt-4-turbo-2024-04-09). Be mindful of hallucinations and verify accuracy.

Why

The introduction of a reserve-backed stablecoin project serves to demonstrate the practical application of blockchain technology in creating a stable digital currency. This project is particularly aimed at educating developers through a comprehensive tutorial, showcasing how to implement and interact with a stablecoin that maintains its value by being backed by reserves. The educational aspect is further emphasized by the inclusion of a YouTube tutorial, making it accessible to a broader audience.

What

This PR introduces a complete setup for a reserve-backed stablecoin system using Foundry, including smart contracts, testing, and interaction scripts.

• New Features and Functionalities

  • Added a new StableCoin smart contract implementing ERC20 with features like minting, burning, pausing, and access control.
  • Introduced a MockAggregator contract to simulate reserve backing with mock data.
  • Developed a comprehensive test suite in StableCoin.t.sol to ensure contract functionality and security.
  • Created an interaction script StableCoinInteraction.s.sol for demonstrating the stablecoin system in action.

• Project Setup and Configuration

  • Included a foundry.toml file to configure the Foundry environment.
  • Added a README.md file providing an overview, installation guide, and step-by-step instructions for building and interacting with the stablecoin.

• Educational Content

  • Linked to a YouTube tutorial in the README.md to help users understand the project setup and interaction in a visual format.

• Safety and Security

  • Added disclaimers about the educational purpose and the non-audited status of the code.
  • Implemented safety checks in the StableCoin contract to ensure operations do not exceed the available reserves.

This setup not only aids in educational purposes but also provides a foundation for developers to build more complex systems based on stablecoin principles.