Produce data to Streamr over HTTP (example)

produce-example.js

const fetch = require('node-fetch');

// Stream ID
const TEST_STREAM = 'MY_STREAM_ID'
// User API key (OR anonymous Stream key with write permission to the stream)
const TEST_KEY = 'MY_KEY'

// Function to POST data points to the API
async function produceToStreamr(msg, streamId, apiKey) {
	const res = await fetch('https://www.streamr.com/api/v1/streams/'+streamId+'/data', { 
		method: 'POST',
		headers: { 
			'Authorization': 'token '+apiKey
		},
		body: JSON.stringify(msg)
	})

	if (res.ok) {
		console.log('%d Success!', res.status)	
	} else {
		const json = await res.json()
		console.log('%d %o', res.status, json)
	}
}

// Produce a data point
let msg = {
	long: 48.1234,
	lat: 8.4546,
	value: 20
}

produceToStreamr(msg, TEST_STREAM, TEST_KEY)