feat: add address and balance to health status

Author: doomsower

package.json

@@ -20,13 +20,13 @@
     "pino-pretty": "^13.1.1"
   },
   "devDependencies": {
-    "@aws-sdk/client-s3": "^3.862.0",
+    "@aws-sdk/client-s3": "^3.863.0",
     "@biomejs/biome": "^2.1.4",
     "@commander-js/extra-typings": "^14.0.0",
     "@commitlint/cli": "^19.8.1",
     "@commitlint/config-conventional": "^19.8.1",
     "@gearbox-protocol/biome-config": "^1.0.0",
-    "@gearbox-protocol/cli-utils": "^5.41.0",
+    "@gearbox-protocol/cli-utils": "^5.42.1",
     "@gearbox-protocol/liquidator-contracts": "^1.36.0-experimental.41",
     "@gearbox-protocol/liquidator-v2-contracts": "^2.4.0",
     "@gearbox-protocol/sdk": "8.19.0",

src/log/index.ts

@@ -1,6 +1,6 @@
 import type { IFactory } from "di-at-home";
 import type { Logger as ILogger } from "pino";
-import { pino } from "pino";
+import pino from "pino";
 
 import { DI } from "../di.js";
 

src/services/Client.ts

@@ -58,6 +58,8 @@ export default class Client {
 
   #testClient?: AnvilClient;
 
+  #balance?: bigint;
+
   public async launch(): Promise<void> {
     const { chainId, network, optimistic, privateKey } = this.config;
     const transport = createTransport(this.config, {
@@ -224,6 +226,7 @@ export default class Client {
 
   async #checkBalance(): Promise<void> {
     const balance = await this.pub.getBalance({ address: this.address });
+    this.#balance = balance;
     this.logger.debug(`liquidator balance is ${formatEther(balance)}`);
     if (balance < this.config.minBalance) {
       this.notifier.alert(
@@ -269,6 +272,10 @@ export default class Client {
     return this.wallet.account.address;
   }
 
+  public get balance(): bigint | undefined {
+    return this.#balance;
+  }
+
   public get anvilForkBlock(): bigint {
     const n = this.#anvilInfo?.forkConfig.forkBlockNumber;
     if (!n) {

src/services/HealthCheckerService.ts

@@ -1,11 +1,16 @@
 import { createServer } from "node:http";
-import type { GearboxSDK, ICreditAccountsService } from "@gearbox-protocol/sdk";
+import {
+  type GearboxSDK,
+  type ICreditAccountsService,
+  json_stringify,
+} 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";
 import { Logger } from "../log/index.js";
 import version from "../version.js";
+import type Client from "./Client.js";
 import type { Scanner } from "./Scanner.js";
 
 const nanoid = customAlphabet("1234567890abcdef", 8);
@@ -24,6 +29,9 @@ export default class HealthCheckerService {
   @DI.Inject(DI.CreditAccountService)
   caService!: ICreditAccountsService;
 
+  @DI.Inject(DI.Client)
+  client!: Client;
+
   #start = Math.round(Date.now() / 1000);
   #id = nanoid();
 
@@ -40,14 +48,15 @@ export default class HealthCheckerService {
       if (req.url === "/") {
         res.writeHead(200, { "Content-Type": "application/json" });
         res.end(
-          JSON.stringify({
+          json_stringify({
             startTime: this.#start,
             version,
             network: this.config.network,
             family: "liquidators",
             liquidationMode: this.config.liquidationMode,
-
-            currentBlock: Number(this.sdk.currentBlock),
+            address: this.client.address,
+            balance: this.client.balance,
+            currentBlock: this.sdk.currentBlock,
             timestamp: Number(this.sdk.timestamp),
             marketsConfigurators:
               this.sdk.marketRegister.marketConfigurators.map(mc => mc.address),