> 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/helper.md).

# helper

- [Contents](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/helper/contents.md)
- [Constants](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/helper/constants.md)
- [ArcticArchitectureLens](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/helper/arcticarchitecturelens.md)
- [Deployer](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/helper/deployer.md)
- [GenericRateProvider](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/helper/genericrateprovider.md)