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25.OP_2_Event_Email_Service.md

25.OP_2_Event_Email_Service.md 2.3 KB
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Event Email Service

The goal of 25.OP-2 is to investigate options to set up an email notification system for various on chain events.

Technical Feasibility

1. Hosted

There are several options to store user emails:

  1. Create a public website connected to a hosted database, authentication and data security would be the biggest efforts.
  2. Update the discord / telegram bot to save a selection of event methods, listen for events and spool emails to a local mailserver. This would leave the burden to authenticate users to the respective chat service.
  3. Host a service with user management and plugin infrastructure could save time, either adding fields to the user table or saving subscriptions in a separate file.
  4. Extend joystreamstats.live to store settings and let users authenticate with their wallet (by signing the request) or off chain by sending a confirmation email with a token / link. A mail server is already installed so the effort would be minimal.

2. Self-hosted

Giving users / node operators the power to Filter events is the easiest part, there is an example to listen to events here, from there nodemailer or similar could take over.

The focus for this task is on documentation to account for unforeseen issues. Some resources should be allocated for maintenance and support to incorporate requests.

Estimated Costs

  • script to filter for block events: 2h
  1. Hosted
  • joysteamstats.live registration page with email integration: 4h
  • bot interface to select event sections and methods: 4h
  1. Self-hosted
  • create a standalone site with user management and email integration: 8h
  • write and maintain documentation how to run your own: 3h + X

Notes

These estimates may be low. Time needed to set it up depends on the skill level. If non-developersa run a foreign script it can work out or it can fail in many ways. Especially deploying a mail server can lead to frustration without prior knowledge (spam, blacklisting). However running a node or just a script connected to an endpoint (local or a redundant list of remote servers) and/or a chat bot on a home (micro) computer with a secured mailserver would be an elegant solution.

Author: l1dev