Add support for PMRM2 in auction utils

Author: Hd0702

src/periphery/LyraAuctionUtils.sol

@@ -7,6 +7,8 @@ import {IBaseManager} from "v2-core/src/interfaces/IBaseManager.sol";
 import {ISubAccounts} from "v2-core/src/interfaces/ISubAccounts.sol";
 import {IAsset} from "v2-core/src/interfaces/IAsset.sol";
 import {DutchAuction} from "v2-core/src/liquidation/DutchAuction.sol";
+import {IPMRM_2} from "v2-core/src/interfaces/IPMRM_2.sol";
+import {PMRM_2} from "v2-core/src/risk-managers/PMRM_2.sol";
 
 /**
  * @title LyraAuctionUtils
@@ -42,11 +44,17 @@ contract LyraAuctionUtils {
       return (manager, mm, mtm, 0);
     }
 
-    // Otherwise we assume it is a PMRM, so we need to work out the worst scenario by getting the portfolio and
-    // calculating margin in the lib
-    IPMRM.Portfolio memory portfolio = PMRM(manager).arrangePortfolio(subId);
-    (mm, mtm, worstScenario) =
+    try PMRM(manager).arrangePortfolio(subId) returns (IPMRM.Portfolio memory portfolio) {
+      (mm, mtm, worstScenario) =
       PMRM(manager).lib().getMarginAndMarkToMarket(portfolio, false, PMRM(manager).getScenarios());
+      return (manager, mm, mtm, worstScenario);
+    } catch {
+      // Falling through to PMRM_2
+    }
+
+    IPMRM_2.Portfolio memory portfolio = PMRM_2(manager).arrangePortfolio(subId);
+    (mm, mtm, worstScenario) =
+      PMRM_2(manager).lib().getMarginAndMarkToMarket(portfolio, false, PMRM_2(manager).getScenarios());
   }
 
   function startInsolventAuction(uint accountId, uint worstScenario) external {