EIP-712 domain separator missing chainId

Curve Finance's assessment for RD-F-020 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

CurveTricryptoOptimizedWETH.vy implements EIP-2612/EIP-712 with domain separation initialized in __init__ (includes chainId per EIP-712 standard). No audit finding flags missing chainId in Curve's permit implementation.

Sources #

GitHub
CurveTricryptoOptimizedWETH.vy source inspectionCurveTricryptoOptimizedWETH.vy — EIP-712 domain separator initialization mentionedretrieved 2026-04-28

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 curve-v2 factor RD-F-020 score green collected_at 2026-04-28 19:48:40