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Fee Splitter

Reinvesting crvUSD revenue to support its growth.

Background

Previously, Curve redistributed 100% of its revenues to veCRV holders. This project explores a new design where a percentage of crvUSD-generated revenues are reinvested to support the protocol's growth. veCRV holders still decide who's is allowed to receive the fees through governance.

Fee Splitter

A smart contract system for collecting and distributing fees from Curve's crvUSD controllers.

Overview

The Fee Splitter project introduces a new mechanism for distributing crvUSD-generated revenues. Instead of redistributing 100% of revenues to veCRV holders, this system allows for a portion of the fees to be shared with protocol-aligned voters and other strategic initiatives.

Key Components

FeeSplitter Contract

The main contract responsible for collecting fees from multiple crvUSD controllers and distributing them according to predefined weights.

Key features:

  • Supports both fixed and dynamic weight receivers. Fixed weight receivers have a predetermined share of the fees, while dynamic weight receivers can adjust their share based on certain conditions.
  • Allows for updating the list of receivers
  • Owned by a designated address (likely DAO-controlled)

ControllerMulticlaim Module

A helper module integrated into the FeeSplitter to efficiently claim fees from multiple controllers simultaneously.

Key features:

  • Maintains a list of allowed controllers
  • Can claim fees from all controllers or a specified subset

Testing Suite

The project includes a comprehensive testing suite:

  • Unit tests for individual contract functions
  • Integration tests for full contract interactions
  • Hypothesis-based stateful tests for more robust scenario coverage

Development Setup

  1. Install dependencies:

    poetry install
forge install

  2. Run tests:

    pytest tests/unitary # unit tests
forge t # integration test
pytest tests/hypothesis # stateful/fuzz testing

  3. For deployment scripts and interactions, see the scripts/ directory.

Audit

The contract is currently under audit by Chainsecurity.

Contract Deployment

The scripts/deploy_fee_splitter.ipynb Jupyter notebook provides a step-by-step process for deploying the FeeSplitter contract and setting up the initial configuration.

Autobribe

This codebase used to be home to autobribe, a protocol that never saw the light of day. Its unfinished code can still be found here.

Security

This project is developed by Curve.fi. For any security-related issues, please contact security@curve.fi.

License

Copyright (c) Curve.Fi, 2020-2024 - all rights reserved