EIP-712 domain separator missing chainId

QuickSwap'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 #

V2 UniswapV2Factory/Pair core: no EIP-712 domain separator in core contracts. V3 Algebra core: no EIP-712 domain separator finding in C4 contest. V3 periphery (NonfungiblePositionManager): deployed on Polygon (chainId 137), likely includes chainId in any EIP-712 domain but not audited in C4 scope. No confirmed missing chainId finding.

Sources #

Audit
Code4rena 2022-09 QuickSwap ReportC4 — no EIP-712 chainId finding in Algebra coreretrieved 2026-05-16

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 quickswap factor RD-F-020 score green collected_at 2026-05-16 08:48:31