fix: in v3.0, update reserve price feeds

Author: doomsower

src/services/liquidate/AbstractLiquidator.ts

@@ -3,8 +3,9 @@ import type {
   GearboxSDK,
   ICreditAccountsService,
   MultiCall,
+  VersionRange,
 } from "@gearbox-protocol/sdk";
-import { filterDust } from "@gearbox-protocol/sdk";
+import { filterDust, isVersionRange } from "@gearbox-protocol/sdk";
 import { ierc20MetadataAbi } from "@gearbox-protocol/types/abi";
 import type { OptimisticResult } from "@gearbox-protocol/types/optimist";
 import type { Address, TransactionReceipt } from "viem";
@@ -160,4 +161,14 @@ export default abstract class AbstractLiquidator<TConfig extends CommonSchema> {
     }
     return this.#errorHandler;
   }
+
+  protected checkAccountVersion(
+    ca: CreditAccountData,
+    v: VersionRange,
+  ): boolean {
+    return isVersionRange(
+      this.sdk.contracts.mustGet(ca.creditFacade).version,
+      v,
+    );
+  }
 }

src/services/liquidate/SingularFullLiquidator.ts

@@ -1,4 +1,7 @@
-import type { CreditAccountData } from "@gearbox-protocol/sdk";
+import {
+  type CreditAccountData,
+  VERSION_RANGE_310,
+} from "@gearbox-protocol/sdk";
 import { iCreditFacadeV3Abi } from "@gearbox-protocol/types/abi";
 import { decodeFunctionData, type SimulateContractReturnType } from "viem";
 import type { FullLiquidatorSchema } from "../../config/index.js";
@@ -35,13 +38,15 @@ export default class SingularFullLiquidator extends SingularLiquidator<
 
   public async preview(ca: CreditAccountData): Promise<FullLiquidationPreview> {
     try {
+      const isV310 = this.checkAccountVersion(ca, VERSION_RANGE_310);
+      const ignoreReservePrices = !this.config.updateReservePrices && isV310;
       const { tx, routerCloseResult, calls } =
         await this.creditAccountService.fullyLiquidate({
           account: ca,
           to: this.client.address,
           slippage: BigInt(this.config.slippage),
           keepAssets: this.config.keepAssets,
-          ignoreReservePrices: !this.config.updateReservePrices,
+          ignoreReservePrices,
         });
       return { ...routerCloseResult, calls, rawTx: tx };
     } catch (e) {

src/services/liquidate/SingularPartialLiquidator.ts

@@ -1,4 +1,7 @@
-import type { CreditAccountData } from "@gearbox-protocol/sdk";
+import {
+  type CreditAccountData,
+  VERSION_RANGE_310,
+} from "@gearbox-protocol/sdk";
 import {
   calcLiquidatableLTs,
   createAnvilClient,
@@ -143,13 +146,16 @@ export default class SingularPartialLiquidator extends SingularLiquidator<
   async #preview(ca: CreditAccountData): Promise<PartialLiquidationPreview> {
     const logger = this.caLogger(ca);
     const cm = this.sdk.marketRegister.findCreditManager(ca.creditManager);
+    const isV310 = this.checkAccountVersion(ca, VERSION_RANGE_310);
+    const ignoreReservePrices =
+      isV310 &&
+      !this.config.updateReservePrices &&
+      this.config.liquidationMode !== "deleverage";
     const priceUpdates =
       await this.creditAccountService.getOnDemandPriceUpdates({
         creditManager: ca.creditManager,
         creditAccount: ca,
-        ignoreReservePrices:
-          !this.config.updateReservePrices &&
-          this.config.liquidationMode !== "deleverage",
+        ignoreReservePrices,
       });
     const liquidatorContract = this.liquidatorForCA(ca);
     if (!liquidatorContract) {