# ERC-5267: Retrieval of EIP-712 Domain Content type: Research Paper Summary: ERC-5267 defines a standard way for smart contracts to expose their EIP-712 domain information. While EIP-712 provided the framework for typed structured data, it did not specify how a contract should communicate its domain requirements (such as the contract address, chain ID, or verifying contract address) to front-end applications. ERC-5267 adds a eip712Domain() function that enables wallets and Dapps to dynamically query a contract for its expected domain separator components. This significan Key concepts: Francisco Giordano, Hadrien Croubois, ethereum, eip, signing, discovery, metadata
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ERC-5267: Retrieval of EIP-712 Domain

Francisco Giordano, Hadrien Croubois

Ethereum Improvement ProposalsJanuary 2022

Abstract

ERC-5267 defines a standard way for smart contracts to expose their EIP-712 domain information. While EIP-712 provided the framework for typed structured data, it did not specify how a contract should communicate its domain requirements (such as the contract address, chain ID, or verifying contract address) to front-end applications. ERC-5267 adds a `eip712Domain()` function that enables wallets and Dapps to dynamically query a contract for its expected domain separator components. This significantly improves the user experience by reducing the need for hardcoded configurations in client-side applications. When a contract is deployed on multiple chains or behind a proxy, it can accurately report its specific domain context, ensuring that signatures are generated correctly and rejected only when invalid. By making domain information discoverable on-chain, this standard enhances the robustness of EIP-712 implementations, minimizing signature-related errors and streamlining the integration of complex off-chain signing protocols within the broader Ethereum ecosystem.

Key Findings

  • 1Enables programmatic discovery of EIP-712 domain information from smart contracts.
  • 2Reduces errors in cross-chain signature generation by providing dynamic context.
  • 3Simplifies Dapp development by eliminating hardcoded domain configurations.
  • 4Supports the broader adoption of typed data signing protocols.

Topics

ethereumeipsigningdiscoverymetadata
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Citation

Francisco Giordano, Hadrien Croubois (2022). ERC-5267: Retrieval of EIP-712 Domain. Ethereum Improvement Proposals. https://eips.ethereum.org/EIPS/eip-5267

BibTeX

@misc{erc52672022,
  title = {ERC-5267: Retrieval of EIP-712 Domain},
  author = {Francisco Giordano and Hadrien Croubois},
  year = {2022},
  howpublished = {\url{https://eips.ethereum.org/EIPS/eip-5267}},
}

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