fix: add storage gap in VRT vault

VenusProtocol · Apr 6, 2023 · 4504000 · 4504000
1 parent 7f2a079
commit 4504000
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/contracts/VRTVault/VRTVaultStorage.sol b/contracts/VRTVault/VRTVaultStorage.sol
@@ -50,4 +50,11 @@ contract VRTVaultStorage is VRTVaultAdminStorage {
 
     /// @notice block number after which no interest will be accrued
     uint256 public lastAccruingBlock;
+
+    /**
+     * @dev This empty reserved space is put in place to allow future versions to add new
+     * variables without shifting down storage in the inheritance chain.
+     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
+     */
+    uint256[49] private __gap;
 }