Casper

Implements Casper FFG (the Friendly Finality Gadget), a Proof-of-Stake finality protocol that can be layered on any block proposal mechanism.

Background

• Implements a Casper FFG smart contract, written in Vyper.
• See this Casper the Friendly Finality Gadget paper by Vitalik Buterin and Virgil Griffith introducing Casper FFG.
• EIP-1011: specification of the Casper the Friendly Finality Gadget (FFG) PoW/PoS consensus model.

Installation

For macOS, with brew installed:

brew install pandoc # required for a python dependency

For all systems:

pip3 install -r requirements.txt

NOTE: pip3 is a version of pip using python version 3. NOTE: we suggest using virtualenv to sandbox your setup.

Usage

• VALIDATOR_GUIDE.md: information about implementing a Casper FFG validator.

Contribute

Feel free to ask questions in our Gitter room or open an issue for feature requests or bug reports. Feel free to make a PR!

License

UNLICENSE

Tests

pytest tests