Merge pull request #37 from Layr-Labs/epociask--fix-ODA-04-empty-init…

…ialization-gap
Layr-Labs · Dec 5, 2024 · a940a0f · a940a0f
2 parents af0733f + bde585b
commit a940a0f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/bridge/SequencerInbox.sol b/src/bridge/SequencerInbox.sol
@@ -130,6 +130,10 @@ contract SequencerInbox is DelegateCallAware, GasRefundEnabled, ISequencerInbox
     /// @inheritdoc ISequencerInbox
     bytes1 public constant EIGENDA_MESSAGE_HEADER_FLAG = 0xed;
 
+    // gap used to ensure forward compatiblity with newly introduced storage variables
+    // from upstream offchainlabs/nitro-contracts. Any newly introduced storage vars
+    // made in subsequent releases should result in decrementing the gap counter
+    uint256[38] internal __gap;
     IRollupManager public eigenDARollupManager;
 
     constructor(