webhook-slack

blockfrost-js-example-webhook-slack

This examples shows how to build a simple app that sends a message via Slack after receiving a webhook request sent by Blockfrost. It implements webhook endpoint and integrates with Slack API to send a message to a Slack workspace.

To learn more about Secure Webhooks, see Secure Webhooks Docs.

This example is written in Typescript and it is intended to run on Node.js, not in a browser. Follow the instructions below to run it.

How to use

These instructions assume that you already have Node.js installed and you are already familiar with running hello world on Node.js.

Create a Slack bot

Create a slack app and generate Bot User OAuth Token by following Slack: Basic app setup. Don't forget to invite the app bot to a channel where you want to send messages.

Set environment variables

• SECRET_AUTH_TOKEN - You will find your webhook's secret auth token in your Secure Webhook settings in the Blockfrost Dashboard
• PORT - port for the web server (default 6666)
• SLACK_BOT_TOKEN - Slack Bot User OAuth Token (xob-...). You can find it under "OAuth & Permissions" section of Slack App settings
• SLACK_CHANNEL_ID - ID of the Slack channel where to send a notification

Clone the main Blockfrost examples repository

git clone [email protected]:blockfrost/blockfrost-js-examples.git

Change directory to cloned repository blockfrost-js-examples

cd blockfrost-js-examples

Install dependencies

yarn

Run

yarn workspace @blockfrost/example-webhook-slack start