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MQTT

This package provides mqtt support.

Install

npm install @iota/mqtt.js

MQTT Operations

You can create a MQTT client which once connected can stream the following feeds.

  • milestonesLatest
  • milestonesConfirmed
  • messageMetadata - Metadata updates for a specified messageId
  • output - Output updates for a specified outputId
  • addressOutputs - Address output updates for a specified address
  • address25519Outputs - Address output updates for a specified ed25519 address
  • messagesRaw - All messages in binary form
  • messages - All messaged decoded to objects
  • indexRaw - All messages for a specified indexation key in binary form
  • index - All messages for a specified indexation key in object form
  • messagesMetadata - All metadata updates

Usage

import { MqttClient } from "@iota/mqtt.js";

const mqttClient = new MqttClient(MQTT_ENDPOINT);

mqttClient.messages((topic, data, raw) => console.log(topic, data))

Additional Examples

Please find other examples in the ./examples folder.

  • Mqtt - Using mqtt to read streaming messages.
  • Browser Mqtt - Using mqtt to read streaming messages in the browser.