fix test for real liquidations per chain

Author: imthatcarlos

test/integration/oracle/ChainlinkOEVWrapperIntegration.t.sol

@@ -1238,6 +1238,12 @@ contract ChainlinkOEVWrapperIntegrationTest is
     /// @notice Simulate some real liquidations from 10/10
     function testRealLiquidations() public {
         LiquidationData[] memory liquidations = getLiquidations();
+
+        // Skip test if no liquidation data for this chain
+        if (liquidations.length == 0) {
+            return;
+        }
+
         for (uint256 i = 0; i < liquidations.length; i++) {
             _testRealLiquidation(liquidations[i]);
         }

test/utils/Liquidations.sol

@@ -1,6 +1,8 @@
 //SPDX-License-Identifier: GPL-3.0-or-later
 pragma solidity 0.8.19;
 
+import {BASE_CHAIN_ID} from "@utils/ChainIds.sol";
+
 /// @notice Struct to represent a real liquidation event
 struct LiquidationData {
     uint256 timestamp;
@@ -31,11 +33,13 @@ struct LiquidationState {
 /// @notice Abstract contract to provide liquidation data from 10/10; used by ChainlinkOEVWrapperIntegration.t.sol
 /// https://dune.com/queries/4326964/7267425
 abstract contract Liquidations {
-    LiquidationData[] internal _liquidations;
+    /// @notice Mapping from chainId to liquidation data array
+    mapping(uint256 => LiquidationData[]) internal _liquidationsByChain;
 
     constructor() {
+        // Base chain liquidations (chainId: 8453)
         // https://basescan.org/tx/0x24782acfe7faef5bad1e4545a617c733a632e0aa20810f4500fbaf2c05354c7f
-        _liquidations.push(
+        _liquidationsByChain[BASE_CHAIN_ID].push(
             LiquidationData({
                 timestamp: 1760131433,
                 blockNumber: 36671043,
@@ -50,26 +54,29 @@ abstract contract Liquidations {
         );
     }
 
-    /// @notice Get all liquidation data
+    /// @notice Get liquidation data for the current chain
     function getLiquidations() public view returns (LiquidationData[] memory) {
+        LiquidationData[] storage chainLiquidations = _liquidationsByChain[
+            block.chainid
+        ];
         LiquidationData[] memory liquidations = new LiquidationData[](
-            _liquidations.length
+            chainLiquidations.length
         );
 
         unchecked {
             uint256 liquidationsLength = liquidations.length;
             for (uint256 i = 0; i < liquidationsLength; i++) {
                 liquidations[i] = LiquidationData({
-                    timestamp: _liquidations[i].timestamp,
-                    blockNumber: _liquidations[i].blockNumber,
-                    borrowedToken: _liquidations[i].borrowedToken,
-                    collateralToken: _liquidations[i].collateralToken,
-                    borrower: _liquidations[i].borrower,
-                    liquidator: _liquidations[i].liquidator,
-                    repayAmount: _liquidations[i].repayAmount,
-                    seizedCollateralAmount: _liquidations[i]
+                    timestamp: chainLiquidations[i].timestamp,
+                    blockNumber: chainLiquidations[i].blockNumber,
+                    borrowedToken: chainLiquidations[i].borrowedToken,
+                    collateralToken: chainLiquidations[i].collateralToken,
+                    borrower: chainLiquidations[i].borrower,
+                    liquidator: chainLiquidations[i].liquidator,
+                    repayAmount: chainLiquidations[i].repayAmount,
+                    seizedCollateralAmount: chainLiquidations[i]
                         .seizedCollateralAmount,
-                    liquidationSizeUSD: _liquidations[i].liquidationSizeUSD
+                    liquidationSizeUSD: chainLiquidations[i].liquidationSizeUSD
                 });
             }
         }