EIP-712 domain separator missing chainId

Veda (BoringVault)'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 #

BoringVault.sol uses Solmate ERC20 permit() which implements standard EIP-712 DOMAIN_SEPARATOR including chainId per EIP-2612. Solmate's implementation is confirmed to include chainId in the domain separator. No custom EIP-712 implementation detected outside Solmate ERC20 permit.

Sources #

GitHub
BoringVault.sol — Solmate ERC20 with EIP-712BoringVault.sol — Solmate ERC20 import (@solmate/=lib/solmate/src/) with standard EIP-712 chainIdretrieved 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 veda factor RD-F-020 score green collected_at 2026-05-17 12:41:22