fix: remove all traces of swap service

Author: doomsower

biome.json

@@ -1,5 +1,5 @@
 {
-  "$schema": "https://biomejs.dev/schemas/2.3.12/schema.json",
+  "$schema": "https://biomejs.dev/schemas/2.3.14/schema.json",
   "extends": ["@gearbox-protocol/biome-config"],
   "vcs": {
     "enabled": true,

package.json

@@ -21,35 +21,33 @@
     "pino-pretty": "^13.1.3"
   },
   "devDependencies": {
-    "@aws-sdk/client-s3": "^3.975.0",
-    "@biomejs/biome": "^2.3.12",
+    "@aws-sdk/client-s3": "^3.984.0",
+    "@biomejs/biome": "^2.3.14",
     "@commander-js/extra-typings": "^14.0.0",
-    "@commitlint/cli": "^20.3.1",
-    "@commitlint/config-conventional": "^20.3.1",
-    "@gearbox-protocol/biome-config": "^1.0.18",
-    "@gearbox-protocol/cli-utils": "^5.69.1",
+    "@commitlint/cli": "^20.4.1",
+    "@commitlint/config-conventional": "^20.4.1",
+    "@gearbox-protocol/biome-config": "^1.0.20",
+    "@gearbox-protocol/cli-utils": "^5.69.3",
     "@gearbox-protocol/liquidator-contracts": "^1.36.0-experimental.67",
     "@gearbox-protocol/liquidator-v2-contracts": "^2.4.0",
-    "@gearbox-protocol/sdk": "12.5.3",
+    "@gearbox-protocol/sdk": "12.6.6",
     "@gearbox-protocol/types": "^1.14.8",
-    "@types/node": "^25.0.10",
-    "@uniswap/sdk-core": "^7.10.1",
-    "@uniswap/v3-sdk": "^3.27.0",
+    "@types/node": "^25.2.1",
     "@vlad-yakovlev/telegram-md": "^2.1.0",
     "abitype": "^1.2.3",
-    "axios": "^1.13.2",
+    "axios": "^1.13.4",
     "axios-retry": "^4.5.0",
     "date-fns": "^4.1.0",
     "di-at-home": "^0.0.7",
-    "esbuild": "^0.27.2",
+    "esbuild": "^0.27.3",
     "husky": "^9.1.7",
     "lint-staged": "^16.2.7",
     "nanoid": "^5.1.6",
     "node-pty": "^1.1.0",
     "pino": "^10.3.0",
     "tsx": "4.21.0",
     "typescript": "^5.9.3",
-    "viem": "^2.44.4",
+    "viem": "^2.45.1",
     "vitest": "^4.0.18",
     "zod": "^4.3.6"
   },

src/Liquidator.ts

@@ -9,7 +9,6 @@ import type DeleverageService from "./services/DeleverageService.js";
 import type HealthCheckerService from "./services/HealthCheckerService.js";
 import type { IOptimisticOutputWriter } from "./services/output/index.js";
 import type { Scanner } from "./services/Scanner.js";
-import type { ISwapper } from "./services/swap/index.js";
 
 export default class Liquidator {
   @Logger("App")
@@ -36,16 +35,12 @@ export default class Liquidator {
   @DI.Inject(DI.Output)
   outputWriter!: IOptimisticOutputWriter;
 
-  @DI.Inject(DI.Swapper)
-  swapper!: ISwapper;
-
   #staleBlockInterval?: NodeJS.Timeout;
 
   public async launch(): Promise<void> {
     await this.client.launch();
 
     this.healthChecker.launch();
-    await this.swapper.launch(this.config.network);
     await this.scanner.launch();
 
     if (this.config.optimistic) {

src/config/common.ts

@@ -322,27 +322,6 @@ export const CommonSchema = z.object({
     description: "List of assets to keep on account after liquidation",
     env: "KEEP_ASSETS",
   }),
-  /**
-   * Use this mechanism to swap underlying token to ETH after the liquidation (abandoned feature)
-   */
-  swapToEth: z.enum(["1inch", "uniswap"]).optional().register(zommandRegistry, {
-    flags: "--swap-to-eth <mode>",
-    description:
-      "Use this mechanism to swap underlying token to ETH after the liquidation (abandoned feature)",
-    env: "SWAP_TO_ETH",
-  }),
-  /**
-   * 1inch api key for swapper
-   */
-  oneInchApiKey: z
-    .string()
-    .transform(CensoredString.transform)
-    .optional()
-    .register(zommandRegistry, {
-      flags: "--one-inch-api-key <key>",
-      description: "1inch API key for swapper",
-      env: "ONE_INCH_API_KEY",
-    }),
 
   /**
    * Directory to save json with optimistic liquidation results

src/di.ts

@@ -12,7 +12,6 @@ const Injectables = {
   OptimisticResults: "OptimisticResults",
   Output: "Output",
   Scanner: "Scanner",
-  Swapper: "Swapper",
   Transport: "Transport",
   Deleverage: "Deleverage",
 } as const;
@@ -33,7 +32,6 @@ export const DI = Object.assign(
     Output: [];
     Redstone: [];
     Scanner: [];
-    Swapper: [];
     Transport: [];
     Deleverage: [];
   }>(),

src/index.ts

@@ -6,7 +6,6 @@ import "./services/DeleverageService.js";
 import "./services/liquidate/index.js";
 import "./services/output/index.js";
 import "./services/notifier/index.js";
-import "./services/swap/index.js";
 
 import { setTimeout } from "node:timers/promises";
 

src/services/liquidate/AbstractLiquidator.ts

@@ -15,7 +15,6 @@ import { Logger } from "../../log/index.js";
 import type Client from "../Client.js";
 import { ServiceStartedNotification } from "../notifier/index.js";
 import type { IOptimisticOutputWriter } from "../output/index.js";
-import type { ISwapper } from "../swap/index.js";
 import AccountHelper from "./AccountHelper.js";
 import type { OptimisticResults } from "./OptimisiticResults.js";
 
@@ -42,9 +41,6 @@ export default abstract class AbstractLiquidator<
   @DI.Inject(DI.Output)
   outputWriter!: IOptimisticOutputWriter;
 
-  @DI.Inject(DI.Swapper)
-  swapper!: ISwapper;
-
   @DI.Inject(DI.OptimisticResults)
   optimistic!: OptimisticResults;
 
@@ -86,19 +82,15 @@ export default abstract class AbstractLiquidator<
   protected async getExecutorBalance(
     underlyingToken: Address,
   ): Promise<ExecutorBalance> {
-    // TODO: is this needed?
-    const isWeth = this.sdk.tokensMeta.symbol(underlyingToken) === "WETH";
     const eth = await this.client.pub.getBalance({
       address: this.client.address,
     });
-    const underlying = isWeth
-      ? eth
-      : await this.client.pub.readContract({
-          address: underlyingToken,
-          abi: erc20Abi,
-          functionName: "balanceOf",
-          args: [this.client.address],
-        });
+    const underlying = await this.client.pub.readContract({
+      address: underlyingToken,
+      abi: erc20Abi,
+      functionName: "balanceOf",
+      args: [this.client.address],
+    });
     return { eth, underlying };
   }
 

src/services/liquidate/SingularLiquidator.ts

@@ -337,10 +337,6 @@ export default class SingularLiquidator
         );
       }
       result.state = ca;
-      // await this.swapper.swap(
-      //   acc.underlying,
-      //   balanceBefore.underlying + result.liquidatorPremium,
-      // );
       result.balancesAfter = await this.getExecutorBalance(acc.underlying);
     } catch (e) {
       logger.error(e, "strategy failed");