On the Celo blockchain, you can send CIP-64 transactions that will consume certain ERC20 tokens to pay for gas.

This repository contains:

• The IFeeCurrency interface, which must be implemented by tokens to be used as fee currencies, along with some explanatory comments.
• An example implementation of such a token.
• Tests to check the main requirements for a valid fee currency.

$ forge build

$ forge test

$ forge fmt