Storage-layout collision risk across upgrades

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

Evidence summary #

Primary AMM contracts are immutable (V2 Factory, V3 Factory, Routers, MasterChef V1). No upgrade path = no storage collision risk. N/A by construction for the primary TVL-bearing contracts.

Sources #

Etherscan
PancakeSwap Factory V2 — BscScanBscScan — AMM contracts verified as immutable non-proxy deploysretrieved 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 pancakeswap factor RD-F-142 score not_applicable collected_at 2026-04-28 19:10:57