Storage-layout collision risk across upgrades

Venus Protocol's assessment for RD-F-142 — scored yellow on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Diamond Comptroller uses Diamond storage pattern — inherently storage-layout sensitive. Solidity 8 upgrade audits conducted in Aug-Sep 2025 (Certik + Quantstamp) suggest attention to storage layout. Isolated Pools use OZ upgradeable. Diamond storage collision risk not independently verified within budget.

Sources #

GitHub
142_upgradeSolidity8_certik_20250824.pdf and 143_upgradeSolidity8_quantstamp_20250829.pdfSolidity 8 upgrade audits 2025retrieved 2026-04-28

Methodology #

Determine whether the OZ upgrades-plugin or manual review flags a storage-layout collision risk between implementation versions.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol venus factor RD-F-142 score yellow collected_at 2026-04-28 18:30:49