2021-01-19 11:51:31 +01:00

48 lines
1.3 KiB
JavaScript

'use strict'
const Libp2p = require('../../../src')
const Envelope = require('../../../src/record/envelope')
const PeerRecord = require('../../../src/record/peer-record')
const Websockets = require('libp2p-websockets')
const { NOISE } = require('libp2p-noise')
const MPLEX = require('libp2p-mplex')
const multiaddr = require('multiaddr')
async function main () {
const rendezvousServerAddr = process.argv[2]
if (!rendezvousServerAddr) {
throw new Error('the rendezvous server address needs to be specified as a parameter')
}
const rendezvousServerMultiaddr = multiaddr(rendezvousServerAddr)
const ns = 'example-namespace'
const node = await Libp2p.create({
modules: {
transport: [Websockets],
connEncryption: [NOISE],
streamMuxer: [MPLEX]
},
addresses: {
listen: ['/ip4/127.0.0.1/tcp/0/ws']
},
rendezvous: {
enabled: true,
rendezvousPoints: [rendezvousServerMultiaddr]
}
})
await node.start()
console.log(`Node started with id ${node.peerId.toB58String()}`)
for await (const reg of node.rendezvous.discover(ns)) {
const e = await Envelope.openAndCertify(reg.signedPeerRecord, PeerRecord.DOMAIN)
const rec = PeerRecord.createFromProtobuf(e.payload)
console.log(`Discovered peer with id: ${rec.peerId.toB58String()} and multiaddrs ${rec.multiaddrs}`)
}
}
main()