#arcade-monitor

#arcade-monitor is a monitor for the Hack Club Arcade Shop. It continuously checks for new items, stock changes, and item updates, keeping you in the loop on the stuff you want.

Environment variables

Secrets

SLACK_WEBHOOK_URL - Slack webhook to call on updates
NTFY_AUTH_TOKEN - Auth token for ntfy

Variables

ARCADE_SHOP_URL - Shop URL to fetch
NTFY_URL - URL for ntfy
SLACK_GROUP_ID - ID of the Slack group to ping

Key-value keys

real_prices - stores the real-world prices of items. equivalent to a HashMap<String, i32>, where String is the id parameter. prices are in USD.
items - stores old items (you don't need to worry about this one)

Tech Stack

Cloudflare Workers for running the monitor on the edge.
Rust for the monitor's code. I love its type safety, as well as libraries such as serde.

Fun fact: the monitor was originally written in TypeScript, but it turned out to be so buggy I just rewrote it in Rust. The new version took less time to write, has tests (unlike the TypeScript version), and has better formatted messages.

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