Signed/unsigned arithmetic confusion
Liquity V1 + V2 (LUSD / BOLD)'s assessment for RD-F-018 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.
Evidence summary #
No audit finding of signed/unsigned arithmetic confusion across 10 audit engagements. v2 uses Solidity 0.8.24 with built-in overflow/underflow checks. v1 uses 0.6.11 with explicit SafeMath-equivalent patterns. Three ToB v1 audits found no such issue.
Sources #
- Etherscanv2 TroveManager Etherscan verificationv2 TroveManager: solc 0.8.24 (built-in overflow protection)retrieved 2026-05-16
Methodology #
Determine whether signed-integer conversions or comparisons where unsigned was intended exist in the deployed bytecode/source.
See the full factor methodology and distribution across all protocols →
rubric_version v1.7.0 protocol liquity factor RD-F-018 score green collected_at 2026-05-16 10:35:50