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chore: restart run loop if stale #263

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chore: restart run loop if stale #263

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2b11a6e
chore: restart run loop if stale
ChaituVR Aug 8, 2025
370a3b3
fix
ChaituVR Aug 8, 2025
68fae56
Merge branch 'master' into chore-restart-run-loop-if-stale
ChaituVR Aug 8, 2025
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11 changes: 10 additions & 1 deletion src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ import { initLogger, fallbackLogger } from '@snapshot-labs/snapshot-sentry';
import initMetrics from './helpers/metrics';
import api from './api';
import pkg from '../package.json';
import { last_mci, run } from './replay';
import { last_mci, lastActivityTime, run } from './replay';
import { closeDatabase } from './helpers/mysql';

const app = express();
Expand All @@ -22,6 +22,15 @@ app.use(bodyParser.urlencoded({ limit: '8mb', extended: false }));
app.use(cors({ maxAge: 86400 }));

app.get('/', async (req, res) => {
const timeSinceLastActivity = (Date.now() - lastActivityTime) / 1000;
const isStale = timeSinceLastActivity > 10 * 60; // 10 minutes

// Restart if stale
if (isStale) {
console.log(`[index] Restarting run loop`);
run();
}

return res.json({
name: pkg.name,
version: pkg.version,
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2 changes: 2 additions & 0 deletions src/replay.ts
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Expand Up @@ -7,8 +7,10 @@ import { handleCreatedEvent, handleDeletedEvent } from './events';
const hubURL = process.env.HUB_URL || 'https://hub.snapshot.org';

export let last_mci = 0;
export let lastActivityTime = Date.now();

async function getLastMci() {
lastActivityTime = Date.now(); // Update activity time
const query = 'SELECT value FROM _metadatas WHERE id = ? LIMIT 1';
const results = await db.queryAsync(query, ['last_mci']);
last_mci = parseInt(results[0].value);
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