chore: more verbose healthcheck error log

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- more verbose healthcheck error log
+
 ### Fixed
 
 - crash while fetching affected addresses for a block undergoing a rollback

src/utils/health.ts

@@ -2,15 +2,21 @@ import { ALL_SEED } from '../scripts/performance/constants.js';
 import { WebsocketClient } from './websocket-client.js';
 
 export const healthCheck = async (url: string) => {
+  // Public key of the account that will be used to perform health check
+  // Account is already used on every network (mainnet, preprod, preview)
+  // One of the account testnet address: addr_test1qrx7xj9qf0j8cqty3eyntpentpgkuhzt9n7g06fa7l29sucle6svh9nacvm632nmcy6fnw9sq85tqkvhagfrhkj9tf6sa3ccwq
+  const ACCOUNT_PUB_KEY =
+    '140791584001446365f169c82241c7c214475000180dab39fa0588fc9c3d6d807f9f812d49816844b52e319857aa75961724ad1a146701679d02d7168622233d';
   const c = new WebsocketClient(url, false);
 
   await c.waitForConnection();
 
   const serverInfo = await c.sendAndWait('GET_SERVER_INFO');
 
   if (serverInfo.name !== 'Cardano') {
+    console.info('[HealthCheck] Received GET_SERVER_INFO', serverInfo);
     c.close();
-    throw new Error('[HealthCheck] HealthCheck failed: serverInfo');
+    throw new Error('[HealthCheck] HealthCheck failed: GET_SERVER_INFO');
   }
 
   const xpub = ALL_SEED[1];
@@ -21,13 +27,10 @@ export const healthCheck = async (url: string) => {
     pageSize: 25,
   });
 
-  if (
-    basicAccountInfo.descriptor !==
-      '140791584001446365f169c82241c7c214475000180dab39fa0588fc9c3d6d807f9f812d49816844b52e319857aa75961724ad1a146701679d02d7168622233d' ||
-    basicAccountInfo.empty !== false
-  ) {
+  if (basicAccountInfo.descriptor !== ACCOUNT_PUB_KEY || basicAccountInfo.empty !== false) {
     c.close();
-    throw new Error('[HealthCheck] HealthCheck failed: basicAccountInfo');
+    console.info('[HealthCheck] Received GET_ACCOUNT_INFO (basic)', basicAccountInfo);
+    throw new Error('[HealthCheck] HealthCheck failed: GET_ACCOUNT_INFO (basic)');
   }
 
   const txsAccountInfo = await c.sendAndWait('GET_ACCOUNT_INFO', {
@@ -36,22 +39,20 @@ export const healthCheck = async (url: string) => {
     pageSize: 25,
   });
 
-  if (
-    txsAccountInfo.descriptor !==
-      '140791584001446365f169c82241c7c214475000180dab39fa0588fc9c3d6d807f9f812d49816844b52e319857aa75961724ad1a146701679d02d7168622233d' ||
-    txsAccountInfo.empty !== false
-  ) {
+  if (txsAccountInfo.descriptor !== ACCOUNT_PUB_KEY || txsAccountInfo.empty !== false) {
+    console.info('[HealthCheck] Received GET_ACCOUNT_INFO (txs)', txsAccountInfo);
     c.close();
-    throw new Error('[HealthCheck] HealthCheck failed: txsAccountInfo');
+    throw new Error('[HealthCheck] HealthCheck failed: GET_ACCOUNT_INFO (txs)');
   }
 
   const accountUtxo = await c.sendAndWait('GET_ACCOUNT_UTXO', {
     descriptor: xpub,
   });
 
   if (!Array.isArray(accountUtxo)) {
+    console.info('[HealthCheck] Received GET_ACCOUNT_UTXO', accountUtxo);
     c.close();
-    throw new Error('[HealthCheck] HealthCheck failed: accountUtxo');
+    throw new Error('[HealthCheck] HealthCheck failed: GET_ACCOUNT_UTXO');
   }
 
   c.close();

src/utils/prometheus.ts

@@ -30,6 +30,8 @@ export class MetricsCollector {
 
   private _collect = async () => {
     logger.info('[HealthCheck] Running health check');
+    const t0 = Date.now();
+
     try {
       await healthCheck(`ws://localhost:${port}`);
       this.healthy = true;
@@ -51,7 +53,11 @@ export class MetricsCollector {
         this.healthCheckFailingSince = Date.now();
       }
     }
-    logger.info('[HealthCheck] Health check done');
+    const t1 = Date.now();
+
+    const durationSeconds = Math.floor(((t1 - t0) / 1000) * 100) / 100; // 2 decimals
+
+    logger.info(`[HealthCheck] Health check done in ${durationSeconds} seconds.`);
     return {
       is_healthy: this.healthy ? 1 : 0,
       websocket_link_clients: this.wss.clients.size,