ether.fi Cash Smart Contracts

Welcome to the ether.fi Cash Smart Contracts repository! This project powers the ether.fi Cash product, providing seamless debit and credit functionalities for users.

Overview

ether.fi Cash allows users to manage their funds through two primary mechanisms:

• Debit: Users spend their own funds via the ether.fi card, with transactions flowing directly from their UserSafe contracts to the ether.fi Cash multisig wallet.
• Credit: Users can borrow funds by supplying collateral to the ether.fi Debt Manager. These funds are available for spending with the ether.fi card, much like a traditional credit card, but backed by the user's collateral.

Key Contracts

The project comprises several smart contracts that ensure secure and efficient handling of user funds, collateral, and borrowing. Some of the main components include:

• UserSafe: Manages user-owned assets and permissions.
• L2DebtManager: Handles collateral and debt management for credit flows.
• PriceProvider: Supplies price data for collateral valuation.
• SignatureUtils: Manages signature verification, including WebAuthn support.

Get Started

To deploy and interact with these smart contracts, clone the repository and follow the build and test instructions provided below.

Clone the repository

git clone https://github.com/etherfi-protocol/cash-contracts

Install dependencies

yarn

Build the repo

yarn build

Test

yarn test

Security

The contracts are designed with security in mind, incorporating features like spending limits, delayed withdrawals, and recovery mechanisms.