👨‍🔬

Sean Zellmer lejeunerenard

👨‍🔬

Freelance Creative Coder & Web Developer

lejeunerenard / blob-server.mjs

Created March 14, 2025 01:55

Example of using `hypercore-blob-server` to download hyperdrive files sparsely

	import Hyperswarm from 'hyperswarm'
	import Hypercore from 'hypercore'
	import Corestore from 'corestore'
	import BlobServer from 'hypercore-blob-server'
	import b4a from 'b4a'

	const keyInput = Bare.argv[2]

	if (!keyInput) throw new Error('provide a key')
	const key = b4a.from(keyInput, 'hex')

lejeunerenard / index.js

Created December 15, 2023 03:56

Replication & `.ready()` Timing

	import Corestore from 'corestore'
	import RAM from 'random-access-memory'

	function makeStore (seed) {
	return new Corestore(RAM, { primaryKey: Buffer.alloc(32).fill(seed) })
	}

	const a = makeStore('a')
	const aInput = a.get({ name: 'input', valueEncoding: 'json' })
	aInput.on('ready', () => console.log('a ready'))

lejeunerenard / index.js

Last active October 4, 2023 05:15

Autobase remote only example

	import Corestore from 'corestore'
	import RAM from 'random-access-memory'
	import Autobase from 'autobase'

	// Create two chat users, each with their own Hypercores.
	const st = new Corestore(RAM)
	const userAInput = st.get({ name: 'UserAInput' })
	const userAOutput = st.get({ name: 'UserAOutput', valueEncoding: 'json' })
	const userBInput = st.get({ name: 'UserBInput' })

lejeunerenard / example.js

Last active May 26, 2023 22:02

Hyperbee `db.watch()` example w/ different replications

	import Hyperbee from 'hyperbee'
	import Corestore from 'corestore'
	import RAM from 'random-access-memory'

	const writerStore = new Corestore(RAM)
	const writerCore = await writerStore.get({ name: 'hyperbee-core' })

	await writerCore.ready()

	const watchAllStore = new Corestore(RAM)

lejeunerenard / client.js

Last active July 1, 2023 21:29

Recreate Noise handshake error with hypercore replicating on non-DHT stream

	const Stream = require('@hyperswarm/dht-relay/ws')
	const Hypercore = require('hypercore')
	const RAM = require('random-access-memory')

	;(async () => {
	const core = new Hypercore(RAM)
	await core.ready()

	const socket = new WebSocket('ws://localhost:8082')
	const wsStream = new Stream(true, socket)

lejeunerenard / gist:e1b080ac1183d56e5aeb1e03851005bf

Created September 4, 2021 19:23

Tezos Profile Verification

	I am attesting that this GitHub handle lejeunerenard is linked to the Tezos account tz1Xg9bxDfU6TBJAPBUToU1T2MV6Z7887r2s for tzprofiles

	sig:edsigtpa9m1N8RsYw22arWvzykFqJNnpBQsvf2eEpEGjy7C2J8cLyAw7BUtacMQx177KwUpSpLY37FvF9oSV5iFXdLRPhqs7zDz

lejeunerenard / zazu.log.2019-01-10

Created January 10, 2019 20:27

Zazu Log ENOSPC error

	{"level":"info","message":"triggered zazu hotkey","timestamp":"2019-01-10T20:14:40.404Z"}
	{"level":"verbose","message":"sending showWindow event from toggle event","timestamp":"2019-01-10T20:14:40.418Z"}
	{"level":"info","message":"showing window from manual trigger","timestamp":"2019-01-10T20:14:40.419Z"}
	{"level":"verbose","message":"sending hide event signal from blur event","timestamp":"2019-01-10T20:14:50.121Z"}
	{"level":"info","message":"hiding window from manual trigger","timestamp":"2019-01-10T20:14:50.121Z"}
	{"level":"info","message":"triggered zazu hotkey","timestamp":"2019-01-10T20:14:56.668Z"}
	{"level":"verbose","message":"sending showWindow event from toggle event","timestamp":"2019-01-10T20:14:56.669Z"}
	{"level":"info","message":"showing window from manual trigger","timestamp":"2019-01-10T20:14:56.669Z"}
	{"level":"verbose","message":"sending hide event signal from blur event","timestamp":"2019-01-10T20:15:03.792Z"}
	{"level":"info","message":"hiding window from manual trigger","timestamp":"2019-01

lejeunerenard / index.js

Last active April 21, 2018 21:57

Nanocomponent Proxy Issue in Reordered List

	const morph = require('nanomorph')
	const html = require('bel')
	const Nanocomponent = require('nanocomponent')

	class Display extends Nanocomponent {
	createElement (state) {
	return html`<div>Display</div>`
	}
	update () { return true }
	}

lejeunerenard / exlog.js

Created November 6, 2017 04:02

Drop in logging solution for debugging where DevTools isn't available.

	var lastMsg
	function exlog (text) {
	var popup = document.getElementById('xlog-popup')
	if (!popup) {
	popup = document.createElement('div')
	Object.assign(popup.style, {
	width: '100%',
	height: '100%',
	top: 0,
	left: 0,

lejeunerenard / package.json

Created October 1, 2016 18:50

Standard JS as eslint config