Convert latest timestamp metric to delay

0xProject · Jan 31, 2024 · fcf32b8 · fcf32b8
1 parent 19c574c
commit fcf32b8
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Showing 2 changed files with 6 additions and 7 deletions.
diff --git a/src/scripts/pull_and_save_block_events.ts b/src/scripts/pull_and_save_block_events.ts
@@ -20,7 +20,7 @@ import { chunk, logger } from '../utils';
 import {
     CURRENT_BLOCK,
     LATEST_SCRAPED_BLOCK,
-    LATEST_SCRAPED_BLOCK_TIMESTAMP,
+    LATEST_SCRAPED_BLOCK_DELAY,
     SAVED_RESULTS,
     SCRIPT_RUN_DURATION,
 } from '../utils/metrics';
@@ -454,11 +454,10 @@ export class BlockEventsScraper {
             if (success) {
                 const endTime = new Date().getTime();
                 const scriptDurationSeconds = (endTime - startTime) / 1000;
+                const latestScrapedBlockDelay = Date.now() / 1000 - newBlocks[newBlocks.length - 1].timestamp;
                 SCRIPT_RUN_DURATION.set({ script: 'events-by-block' }, scriptDurationSeconds);
                 LATEST_SCRAPED_BLOCK.labels({ chain: CHAIN_NAME }).set(blockRangeEnd);
-                LATEST_SCRAPED_BLOCK_TIMESTAMP.labels({ chain: CHAIN_NAME }).set(
-                    newBlocks[newBlocks.length - 1].timestamp,
-                );
+                LATEST_SCRAPED_BLOCK_DELAY.labels({ chain: CHAIN_NAME }).set(latestScrapedBlockDelay);
 
                 logger.info(`Finished pulling events block by in ${scriptDurationSeconds}`);
             }

diff --git a/src/utils/metrics.ts b/src/utils/metrics.ts
@@ -15,9 +15,9 @@ export const LATEST_SCRAPED_BLOCK = new Gauge({
     labelNames: ['chain'],
 });
 
-export const LATEST_SCRAPED_BLOCK_TIMESTAMP = new Gauge({
-    name: 'event_scraper_latest_scraped_block_timestamp',
-    help: 'The timestamp of the latest scraped block',
+export const LATEST_SCRAPED_BLOCK_DELAY = new Gauge({
+    name: 'event_scraper_latest_scraped_block_delay',
+    help: "The difference of the latest scraped block's timestamp and the current timestamp",
     labelNames: ['chain'],
 });