From 1943a027a81e17a67367ee994c1bb854ba09ce9b Mon Sep 17 00:00:00 2001
From: Cassandra Heart <7929478+CassOnMars@users.noreply.github.com>
Date: Thu, 5 Sep 2024 21:18:26 -0500
Subject: [PATCH] chore: increase contact announcement interval (#2296)
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## Why is this change needed?

Reduces the interval from every 30 to every 15 minutes for announcement,
with randomized start minute

## Merge Checklist

_Choose all relevant options below by adding an `x` now or at any time
before submitting for review_

- [x] PR title adheres to the [conventional
commits](https://www.conventionalcommits.org/en/v1.0.0/) standard
- [x] PR has a
[changeset](https://github.com/farcasterxyz/hub-monorepo/blob/main/CONTRIBUTING.md#35-adding-changesets)
- [x] PR has been tagged with a change label(s) (i.e. documentation,
feature, bugfix, or chore)
- [ ] PR includes
[documentation](https://github.com/farcasterxyz/hub-monorepo/blob/main/CONTRIBUTING.md#32-writing-docs)
if necessary.

<!-- start pr-codex -->

---

## PR-Codex overview
This PR adjusts the announcement interval for contact info in the
`@farcaster/hubble` package.

### Detailed summary
- Changed the random minute calculation from every 30 minutes to every
15 minutes in `hubble.ts`
- Updated the cron syntax for `gossipContactInfoJobScheduler` to reflect
the new interval

> ✨ Ask PR-Codex anything about this PR by commenting with `/codex {your
question}`

<!-- end pr-codex -->
---
 .changeset/angry-fans-search.md | 5 +++++
 apps/hubble/src/hubble.ts       | 4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/angry-fans-search.md

diff --git a/.changeset/angry-fans-search.md b/.changeset/angry-fans-search.md
new file mode 100644
index 0000000000..ca24551f76
--- /dev/null
+++ b/.changeset/angry-fans-search.md
@@ -0,0 +1,5 @@
+---
+"@farcaster/hubble": patch
+---
+
+chore: adjust announcement interval for contact info
diff --git a/apps/hubble/src/hubble.ts b/apps/hubble/src/hubble.ts
index f12f4046d2..77dda369fc 100644
--- a/apps/hubble/src/hubble.ts
+++ b/apps/hubble/src/hubble.ts
@@ -821,8 +821,8 @@ export class Hub implements HubInterface {
     this.checkFarcasterVersionJobScheduler.start();
     this.validateOrRevokeMessagesJobScheduler.start();
 
-    const randomMinute = Math.floor(Math.random() * 30);
-    this.gossipContactInfoJobScheduler.start(`${randomMinute} */30 * * * *`); // Random minute every 30 minutes
+    const randomMinute = Math.floor(Math.random() * 15);
+    this.gossipContactInfoJobScheduler.start(`${randomMinute}-59/15 * * * *`); // Weird syntax but required by cron, random minute every 15 minutes
     this.checkIncomingPortsJobScheduler.start();
     this.measureSyncHealthJobScheduler.start();