> For the complete documentation index, see [llms.txt](https://docs.nucleusearn.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/oracles.md).

# oracles

- [EthPerTokenRateProvider](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/oracles/ethpertokenrateprovider.md)
- [Contents](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/oracles/contents.md)
- [EthPerWstEthRateProvider](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/oracles/ethperwstethrateprovider.md)