> For the complete documentation index, see [llms.txt](https://docs.geode.fi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.geode.fi/developers/live-contracts/ethereum-v2/interfaces.md).

# Interfaces

- [ERC20InterfaceUpgaradable.sol](https://docs.geode.fi/developers/live-contracts/ethereum-v2/interfaces/erc20interfaceupgaradable.sol.md)
- [ERC20InterfacePermitUpgradable.sol](https://docs.geode.fi/developers/live-contracts/ethereum-v2/interfaces/erc20interfacepermitupgradable.sol.md)