EIP-712 domain separator missing chainId

stHYPE (Valantis Labs)'s assessment for RD-F-020 — scored gray on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

EIP-712 used for governance delegation (VotesUpgradeable). stHYPE is HyperEVM-only (no cross-chain deployment) so replay across chains is unlikely. chainId inclusion in DOMAIN_SEPARATOR cannot be confirmed without source inspection.

Sources #

URL
stHYPE token implementation — EIP-712 domain separatorhyperevmscan.io/address/0xe71cAF5c1fe56d8897c7b604295d23968049e057#code — VotesUpgradeable + EIP-712 confirmedretrieved 2026-05-17

Methodology #

Determine whether the EIP-712 domain separator struct omits the `chainId` field, allowing cross-chain replay.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol staked-hype factor RD-F-020 score gray collected_at 2026-05-17 13:02:38