feat: return more data from health endpoint

Author: doomsower

package.json

@@ -20,7 +20,7 @@
     "pino-pretty": "^13.1.1"
   },
   "devDependencies": {
-    "@aws-sdk/client-s3": "^3.858.0",
+    "@aws-sdk/client-s3": "^3.859.0",
     "@biomejs/biome": "^2.1.3",
     "@commander-js/extra-typings": "^14.0.0",
     "@commitlint/cli": "^19.8.1",
@@ -29,9 +29,9 @@
     "@gearbox-protocol/cli-utils": "^5.40.1",
     "@gearbox-protocol/liquidator-contracts": "^1.36.0-experimental.41",
     "@gearbox-protocol/liquidator-v2-contracts": "^2.4.0",
-    "@gearbox-protocol/sdk": "8.15.0",
+    "@gearbox-protocol/sdk": "8.16.1",
     "@gearbox-protocol/types": "^1.14.8",
-    "@types/node": "^24.1.0",
+    "@types/node": "^24.2.0",
     "@uniswap/sdk-core": "^7.7.2",
     "@uniswap/v3-sdk": "^3.25.2",
     "@vlad-yakovlev/telegram-md": "^2.1.0",
@@ -42,7 +42,7 @@
     "di-at-home": "^0.0.7",
     "esbuild": "^0.25.8",
     "husky": "^9.1.7",
-    "lint-staged": "^16.1.2",
+    "lint-staged": "^16.1.4",
     "nanoid": "^5.1.5",
     "node-pty": "^1.0.0",
     "pino": "^9.7.0",

src/services/HealthCheckerService.ts

@@ -1,7 +1,6 @@
 import { createServer } from "node:http";
-
+import type { GearboxSDK, ICreditAccountsService } from "@gearbox-protocol/sdk";
 import { customAlphabet } from "nanoid";
-
 import type { Config } from "../config/index.js";
 import { DI } from "../di.js";
 import type { ILogger } from "../log/index.js";
@@ -22,6 +21,9 @@ export default class HealthCheckerService {
   @DI.Inject(DI.Config)
   config!: Config;
 
+  @DI.Inject(DI.CreditAccountService)
+  caService!: ICreditAccountsService;
+
   #start = Math.round(Date.now() / 1000);
   #id = nanoid();
 
@@ -39,9 +41,20 @@ export default class HealthCheckerService {
         res.writeHead(200, { "Content-Type": "application/json" });
         res.end(
           JSON.stringify({
-            start_time: this.#start,
-            block_number: this.scanner.lastUpdated,
+            startTime: this.#start,
             version,
+            network: this.config.network,
+            family: "liquidators",
+            liquidationMode: this.config.liquidationMode,
+
+            currentBlock: Number(this.sdk.currentBlock),
+            timestamp: Number(this.sdk.timestamp),
+            marketsConfigurators:
+              this.sdk.marketRegister.marketConfigurators.map(mc => mc.address),
+            pools: this.sdk.marketRegister.pools.map(p => p.pool.address),
+            creditManagers: this.sdk.marketRegister.creditManagers.map(
+              cm => cm.creditManager.address,
+            ),
           }),
         );
       } else if (req.url === "/metrics") {
@@ -101,4 +114,8 @@ block_number{${labels}} ${this.scanner.lastUpdated}
 
 `;
   }
+
+  private get sdk(): GearboxSDK {
+    return this.caService.sdk;
+  }
 }