Add storage gaps into upgradeable contracts (#103)

Fantom-foundation · Dec 16, 2024 · 2cdaaa4 · 2cdaaa4
1 parent 70b03aa
commit 2cdaaa4
Show file tree

Hide file tree

Showing 3 changed files with 6 additions and 0 deletions.
diff --git a/contracts/sfc/NodeDriver.sol b/contracts/sfc/NodeDriver.sol
@@ -144,4 +144,6 @@ contract NodeDriver is OwnableUpgradeable, UUPSUpgradeable, INodeDriver {
     function sealEpochValidators(uint256[] calldata nextValidatorIDs) external onlyNode {
         backend.sealEpochValidators(nextValidatorIDs);
     }
+
+    uint256[50] private __gap;
 }
diff --git a/contracts/sfc/NodeDriverAuth.sol b/contracts/sfc/NodeDriverAuth.sol
@@ -186,4 +186,6 @@ contract NodeDriverAuth is OwnableUpgradeable, UUPSUpgradeable {
         }
         return codeHash;
     }
+
+    uint256[50] private __gap;
 }
diff --git a/contracts/sfc/SFC.sol b/contracts/sfc/SFC.sol
@@ -1149,4 +1149,6 @@ contract SFC is OwnableUpgradeable, UUPSUpgradeable, Version {
     function _now() internal view virtual returns (uint256) {
         return block.timestamp;
     }
+
+    uint256[50] private __gap;
 }
-Original file line number
+Diff line change
@@ Expand Up @@
             }
             return codeHash;
         }
+        uint256[50] private __gap;
     }