Merge pull request #241 from Layr-Labs/avs-unstable

make totalOperatorsForQuorum work in the empty case
Layr-Labs · Oct 13, 2023 · 94cf0f6 · 94cf0f6
2 parents 1be4928 + dd27549
commit 94cf0f6
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/contracts/middleware/IndexRegistry.sol b/src/contracts/middleware/IndexRegistry.sol
@@ -195,7 +195,11 @@ contract IndexRegistry is IndexRegistryStorage {
 
     /// @notice Returns the total number of operators for a given `quorumNumber`
     function totalOperatorsForQuorum(uint8 quorumNumber) external view returns (uint32){
-        return _totalOperatorsHistory[quorumNumber][_totalOperatorsHistory[quorumNumber].length - 1].index;
+        uint256 totalOperatorsHistoryLength = _totalOperatorsHistory[quorumNumber].length;
+        if (totalOperatorsHistoryLength == 0) {
+            return 0;
+        }
+        return _totalOperatorsHistory[quorumNumber][totalOperatorsHistoryLength - 1].index;
     }
 
     /**