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libp2p-nodejs.js
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libp2p-nodejs.js
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'use strict'
const TCP = require('libp2p-tcp')
const MulticastDNS = require('libp2p-mdns')
const WS = require('libp2p-websockets')
const WebSocketStarMulti = require('libp2p-websocket-star-multi')
const Bootstrap = require('libp2p-bootstrap')
const KadDHT = require('libp2p-kad-dht')
const Multiplex = require('pull-mplex')
const SECIO = require('libp2p-secio')
const libp2p = require('libp2p')
const mergeOptions = require('merge-options')
const multiaddr = require('multiaddr')
class Node extends libp2p {
constructor (_options) {
// this can be replaced once optional listening is supported with the below code. ref: https://github.com/libp2p/interface-transport/issues/41
// const wsstar = new WebSocketStar({ id: _options.peerInfo.id })
const wsstarServers = _options.peerInfo.multiaddrs.toArray().map(String).filter(addr => addr.includes('p2p-websocket-star'))
_options.peerInfo.multiaddrs.replace(wsstarServers.map(multiaddr), '/p2p-websocket-star') // the ws-star-multi module will replace this with the chosen ws-star servers
const wsstar = new WebSocketStarMulti({ servers: wsstarServers, id: _options.peerInfo.id, ignore_no_online: !wsstarServers.length || _options.wsStarIgnoreErrors })
const defaults = {
switch: {
blacklistTTL: 2 * 60 * 1e3, // 2 minute base
blackListAttempts: 5, // back off 5 times
maxParallelDials: 150,
maxColdCalls: 50,
dialTimeout: 10e3 // Be strict with dial time
},
modules: {
transport: [
TCP,
WS,
wsstar
],
streamMuxer: [
Multiplex
],
connEncryption: [
SECIO
],
peerDiscovery: [
MulticastDNS,
Bootstrap,
wsstar.discovery
],
dht: KadDHT
},
config: {
peerDiscovery: {
autoDial: true,
mdns: {
enabled: true
},
bootstrap: {
enabled: true
},
websocketStar: {
enabled: true
}
},
dht: {
kBucketSize: 20,
enabled: false,
randomWalk: {
enabled: false
}
},
EXPERIMENTAL: {
pubsub: false
}
}
}
super(mergeOptions(defaults, _options))
}
}
module.exports = Node