eaf_mqtt_client

The primary purpose of the eaf_mqtt_client is to facilitate the secure exchange of energy data between utilities and their customers. By utilizing a self-hosted MQTT broker and connecting the STROMDAO Energy Application Framework, utilities can provide a platform for customers to run energy-based applications and services. This enables customers to leverage their energy data to make informed decisions and optimize their energy consumption.

Introduction

Usage

Specify MQTT_URL in .env. Start the project with npm start command. After starting, open the http://localhost:3101/ URL in your browser. On the welcome page you could see the status of received readings via MQTT and forwarded (processed) readings to EAF.

Demo MQTT Broker

Contact [e-mail] to receive credentials.

Subscribed topics

The script subscribes to the topic stromdao-eaf/metering/updateReading/#.

When a new message is published to a subtopic like `stromdao-eaf/metering/updateReading/MyMeter``, the published value is forwarded to the metering.updateReading service of STROMDAO EAF, where MyMeter is used as the meterId.

Published topics

In addition to forwarding meter readings, the script also publishes electricity prices from the STROMDAO EAF every 5 minutes to the topics below stromdao-eaf/tariff/

NPM scripts

• npm run dev: Start development mode (load all services locally with hot-reload & REPL)
• npm run start: Start production mode (set SERVICES env variable to load certain services)
• npm run cli: Start a CLI and connect to production. Don't forget to set production namespace with --ns argument in script
• npm run ci: Run continuous test mode with watching
• npm test: Run tests & generate coverage report
• npm run dc:up: Start the stack with Docker Compose
• npm run dc:down: Stop the stack with Docker Compose