mirror of
https://github.com/fluencelabs/js-libp2p
synced 2025-03-28 05:11:04 +00:00
a15254fdd4
Notably removes the `Dialer` interface as the `ConnectionManager` is now in charge of managing connections.
448 lines
16 KiB
TypeScript
448 lines
16 KiB
TypeScript
/* eslint-env mocha */
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import { expect } from 'aegir/chai'
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import defer from 'p-defer'
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import pWaitFor from 'p-wait-for'
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import sinon from 'sinon'
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import nock from 'nock'
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import { create as createIpfsHttpClient } from 'ipfs-http-client'
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import { DelegatedContentRouting } from '@libp2p/delegated-content-routing'
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import { RELAY_CODEC } from '../../src/circuit/multicodec.js'
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import { createNode } from '../utils/creators/peer.js'
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import type { Libp2pNode } from '../../src/libp2p.js'
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import type { Options as PWaitForOptions } from 'p-wait-for'
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import type Sinon from 'sinon'
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import { createRelayOptions, createNodeOptions } from './utils.js'
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import { protocols } from '@multiformats/multiaddr'
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async function usingAsRelay (node: Libp2pNode, relay: Libp2pNode, opts?: PWaitForOptions) {
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// Wait for peer to be used as a relay
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await pWaitFor(() => {
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for (const addr of node.getMultiaddrs()) {
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if (addr.toString().includes(`${relay.peerId.toString()}/p2p-circuit`)) {
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return true
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}
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}
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return false
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}, opts)
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}
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async function discoveredRelayConfig (node: Libp2pNode, relay: Libp2pNode) {
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await pWaitFor(async () => {
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const peerData = await node.peerStore.get(relay.peerId)
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const supportsRelay = peerData.protocols.includes(RELAY_CODEC)
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const supportsHop = peerData.metadata.has('hop_relay')
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return supportsRelay && supportsHop
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})
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}
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describe('auto-relay', () => {
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describe('basics', () => {
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let libp2p: Libp2pNode
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let relayLibp2p: Libp2pNode
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beforeEach(async () => {
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// Create 2 nodes, and turn HOP on for the relay
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libp2p = await createNode({
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config: createNodeOptions()
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})
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relayLibp2p = await createNode({
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config: createRelayOptions()
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})
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})
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beforeEach(async () => {
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// Start each node
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return await Promise.all([libp2p, relayLibp2p].map(async libp2p => await libp2p.start()))
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})
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afterEach(async () => {
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// Stop each node
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return await Promise.all([libp2p, relayLibp2p].map(async libp2p => await libp2p.stop()))
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})
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it('should ask if node supports hop on protocol change (relay protocol) and add to listen multiaddrs', async () => {
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// Discover relay
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await libp2p.peerStore.addressBook.add(relayLibp2p.peerId, relayLibp2p.getMultiaddrs())
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await libp2p.dial(relayLibp2p.peerId)
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// Wait for peer added as listen relay
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await discoveredRelayConfig(libp2p, relayLibp2p)
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// Wait to start using peer as a relay
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await usingAsRelay(libp2p, relayLibp2p)
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// Peer has relay multicodec
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const knownProtocols = await libp2p.peerStore.protoBook.get(relayLibp2p.peerId)
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expect(knownProtocols).to.include(RELAY_CODEC)
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})
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})
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describe('flows with 1 listener max', () => {
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let libp2p: Libp2pNode
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let relayLibp2p1: Libp2pNode
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let relayLibp2p2: Libp2pNode
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let relayLibp2p3: Libp2pNode
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beforeEach(async () => {
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// Create 4 nodes, and turn HOP on for the relay
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[libp2p, relayLibp2p1, relayLibp2p2, relayLibp2p3] = await Promise.all([
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createNode({ config: createNodeOptions() }),
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createNode({ config: createRelayOptions() }),
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createNode({ config: createRelayOptions() }),
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createNode({ config: createRelayOptions() })
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])
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// Start each node
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await Promise.all([libp2p, relayLibp2p1, relayLibp2p2, relayLibp2p3].map(async libp2p => await libp2p.start()))
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})
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afterEach(async () => {
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// Stop each node
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return await Promise.all([libp2p, relayLibp2p1, relayLibp2p2, relayLibp2p3].map(async libp2p => await libp2p.stop()))
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})
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it('should ask if node supports hop on protocol change (relay protocol) and add to listen multiaddrs', async () => {
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// Discover relay
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await relayLibp2p1.peerStore.addressBook.add(relayLibp2p2.peerId, relayLibp2p2.getMultiaddrs())
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await relayLibp2p1.dial(relayLibp2p2.peerId)
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await discoveredRelayConfig(relayLibp2p1, relayLibp2p2)
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// Wait for peer added as listen relay
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await usingAsRelay(relayLibp2p1, relayLibp2p2)
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// Peer has relay multicodec
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const knownProtocols = await relayLibp2p1.peerStore.protoBook.get(relayLibp2p2.peerId)
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expect(knownProtocols).to.include(RELAY_CODEC)
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})
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it('should be able to dial a peer from its relayed address previously added', async () => {
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// Discover relay
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await relayLibp2p1.peerStore.addressBook.add(relayLibp2p2.peerId, relayLibp2p2.getMultiaddrs())
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await relayLibp2p1.dial(relayLibp2p2.peerId)
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await discoveredRelayConfig(relayLibp2p1, relayLibp2p2)
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// Wait for peer added as listen relay
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await usingAsRelay(relayLibp2p1, relayLibp2p2)
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// Dial from the other through a relay
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const relayedMultiaddr2 = relayLibp2p1.getMultiaddrs()[0].encapsulate('/p2p-circuit')
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await libp2p.peerStore.addressBook.add(relayLibp2p2.peerId, [relayedMultiaddr2])
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await libp2p.dial(relayLibp2p2.peerId)
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})
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it('should only add maxListeners relayed addresses', async () => {
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// Discover one relay and connect
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await relayLibp2p1.peerStore.addressBook.add(relayLibp2p2.peerId, relayLibp2p2.getMultiaddrs())
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await relayLibp2p1.dial(relayLibp2p2.peerId)
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await discoveredRelayConfig(relayLibp2p1, relayLibp2p2)
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// Wait for peer added as listen relay
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await usingAsRelay(relayLibp2p1, relayLibp2p2)
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// Relay2 has relay multicodec
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const knownProtocols2 = await relayLibp2p1.peerStore.protoBook.get(relayLibp2p2.peerId)
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expect(knownProtocols2).to.include(RELAY_CODEC)
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// Discover an extra relay and connect
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await relayLibp2p1.peerStore.addressBook.add(relayLibp2p3.peerId, relayLibp2p3.getMultiaddrs())
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await relayLibp2p1.dial(relayLibp2p3.peerId)
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await discoveredRelayConfig(relayLibp2p1, relayLibp2p3)
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// Wait to guarantee the dialed peer is not added as a listen relay
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await expect(usingAsRelay(relayLibp2p1, relayLibp2p3, {
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timeout: 1000
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})).to.eventually.be.rejected()
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// Relay2 has relay multicodec
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const knownProtocols3 = await relayLibp2p1.peerStore.protoBook.get(relayLibp2p3.peerId)
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expect(knownProtocols3).to.include(RELAY_CODEC)
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})
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it('should not listen on a relayed address we disconnect from peer', async () => {
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if (relayLibp2p1.identifyService == null) {
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throw new Error('Identify service not configured')
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}
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// Spy if identify push is fired on adding/removing listen addr
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sinon.spy(relayLibp2p1.identifyService, 'pushToPeerStore')
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// Discover one relay and connect
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await relayLibp2p1.peerStore.addressBook.add(relayLibp2p2.peerId, relayLibp2p2.getMultiaddrs())
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await relayLibp2p1.dial(relayLibp2p2.peerId)
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await discoveredRelayConfig(relayLibp2p1, relayLibp2p2)
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// Wait for listening on the relay
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await usingAsRelay(relayLibp2p1, relayLibp2p2)
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// Disconnect from peer used for relay
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await relayLibp2p1.hangUp(relayLibp2p2.peerId)
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// Wait for removed listening on the relay
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await expect(usingAsRelay(relayLibp2p1, relayLibp2p2, {
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timeout: 1000
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})).to.eventually.be.rejected()
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})
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it('should try to listen on other connected peers relayed address if one used relay disconnects', async () => {
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// Discover one relay and connect
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await relayLibp2p1.peerStore.addressBook.add(relayLibp2p2.peerId, relayLibp2p2.getMultiaddrs())
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await relayLibp2p1.dial(relayLibp2p2.peerId)
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await discoveredRelayConfig(relayLibp2p1, relayLibp2p2)
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await usingAsRelay(relayLibp2p1, relayLibp2p2)
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// Discover an extra relay and connect
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await relayLibp2p1.peerStore.addressBook.add(relayLibp2p3.peerId, relayLibp2p3.getMultiaddrs())
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await relayLibp2p1.dial(relayLibp2p3.peerId)
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await discoveredRelayConfig(relayLibp2p1, relayLibp2p3)
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// Only one will be used for listening
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await expect(usingAsRelay(relayLibp2p1, relayLibp2p3, {
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timeout: 1000
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})).to.eventually.be.rejected()
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// Disconnect from peer used for relay
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await relayLibp2p2.stop()
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// Should not be using the relay any more
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await expect(usingAsRelay(relayLibp2p1, relayLibp2p2, {
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timeout: 1000
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})).to.eventually.be.rejected()
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// Wait for other peer connected to be added as listen addr
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await usingAsRelay(relayLibp2p1, relayLibp2p3)
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})
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it('should try to listen on stored peers relayed address if one used relay disconnects and there are not enough connected', async () => {
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// Discover one relay and connect
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await relayLibp2p1.peerStore.addressBook.add(relayLibp2p2.peerId, relayLibp2p2.getMultiaddrs())
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await relayLibp2p1.dial(relayLibp2p2.peerId)
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// Wait for peer to be used as a relay
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await usingAsRelay(relayLibp2p1, relayLibp2p2)
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// Discover an extra relay and connect to gather its Hop support
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await relayLibp2p1.peerStore.addressBook.add(relayLibp2p3.peerId, relayLibp2p3.getMultiaddrs())
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await relayLibp2p1.dial(relayLibp2p3.peerId)
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// wait for identify for newly dialled peer
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await discoveredRelayConfig(relayLibp2p1, relayLibp2p3)
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// Disconnect not used listen relay
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await relayLibp2p1.hangUp(relayLibp2p3.peerId)
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// Remove peer used as relay from peerStore and disconnect it
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await relayLibp2p1.hangUp(relayLibp2p2.peerId)
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await relayLibp2p1.peerStore.delete(relayLibp2p2.peerId)
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await pWaitFor(() => relayLibp2p1.getConnections().length === 0)
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// Wait for other peer connected to be added as listen addr
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await usingAsRelay(relayLibp2p1, relayLibp2p3)
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})
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it('should not fail when trying to dial unreachable peers to add as hop relay and replaced removed ones', async () => {
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const deferred = defer()
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// Discover one relay and connect
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await relayLibp2p1.peerStore.addressBook.add(relayLibp2p2.peerId, relayLibp2p2.getMultiaddrs())
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await relayLibp2p1.dial(relayLibp2p2.peerId)
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// Discover an extra relay and connect to gather its Hop support
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await relayLibp2p1.peerStore.addressBook.add(relayLibp2p3.peerId, relayLibp2p3.getMultiaddrs())
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await relayLibp2p1.dial(relayLibp2p3.peerId)
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// Wait for peer to be used as a relay
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await usingAsRelay(relayLibp2p1, relayLibp2p2)
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// wait for identify for newly dialled peer
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await discoveredRelayConfig(relayLibp2p1, relayLibp2p3)
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// Disconnect not used listen relay
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await relayLibp2p1.hangUp(relayLibp2p3.peerId)
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// Stub dial
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sinon.stub(relayLibp2p1.components.getConnectionManager(), 'openConnection').callsFake(async () => {
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deferred.resolve()
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return await Promise.reject(new Error('failed to dial'))
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})
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// Remove peer used as relay from peerStore and disconnect it
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await relayLibp2p1.hangUp(relayLibp2p2.peerId)
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await relayLibp2p1.peerStore.delete(relayLibp2p2.peerId)
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expect(relayLibp2p1.getConnections()).to.be.empty()
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// Wait for failed dial
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await deferred.promise
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})
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})
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describe('flows with 2 max listeners', () => {
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let relayLibp2p1: Libp2pNode
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let relayLibp2p2: Libp2pNode
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let relayLibp2p3: Libp2pNode
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beforeEach(async () => {
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// Create 3 nodes, and turn HOP on for the relay
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[relayLibp2p1, relayLibp2p2, relayLibp2p3] = await Promise.all([
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createNode({ config: createRelayOptions() }),
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createNode({ config: createRelayOptions() }),
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createNode({ config: createRelayOptions() })
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])
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// Start each node
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await Promise.all([relayLibp2p1, relayLibp2p2, relayLibp2p3].map(async libp2p => await libp2p.start()))
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})
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afterEach(async () => {
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// Stop each node
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return await Promise.all([relayLibp2p1, relayLibp2p2, relayLibp2p3].map(async libp2p => await libp2p.stop()))
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})
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it('should not add listener to a already relayed connection', async () => {
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// Relay 1 discovers Relay 3 and connect
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await relayLibp2p1.peerStore.addressBook.add(relayLibp2p3.peerId, relayLibp2p3.getMultiaddrs())
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await relayLibp2p1.dial(relayLibp2p3.peerId)
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await usingAsRelay(relayLibp2p1, relayLibp2p3)
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// Relay 2 discovers Relay 3 and connect
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await relayLibp2p2.peerStore.addressBook.add(relayLibp2p3.peerId, relayLibp2p3.getMultiaddrs())
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await relayLibp2p2.dial(relayLibp2p3.peerId)
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await usingAsRelay(relayLibp2p2, relayLibp2p3)
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// Relay 1 discovers Relay 2 relayed multiaddr via Relay 3
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const ma2RelayedBy3 = relayLibp2p2.getMultiaddrs()[relayLibp2p2.getMultiaddrs().length - 1]
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await relayLibp2p1.peerStore.addressBook.add(relayLibp2p2.peerId, [ma2RelayedBy3])
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await relayLibp2p1.dial(relayLibp2p2.peerId)
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// Peer not added as listen relay
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await expect(usingAsRelay(relayLibp2p1, relayLibp2p2, {
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timeout: 1000
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})).to.eventually.be.rejected()
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})
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})
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describe('discovery', () => {
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let local: Libp2pNode
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let remote: Libp2pNode
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let relayLibp2p: Libp2pNode
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let contentRoutingProvideSpy: Sinon.SinonSpy
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beforeEach(async () => {
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const delegate = new DelegatedContentRouting(createIpfsHttpClient({
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host: '0.0.0.0',
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protocol: 'http',
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port: 60197
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}))
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;[local, remote, relayLibp2p] = await Promise.all([
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createNode({
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config: createNodeOptions({
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contentRouters: [
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delegate
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]
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})
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}),
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createNode({
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config: createNodeOptions({
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contentRouters: [
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delegate
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]
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})
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}),
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createNode({
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config: createRelayOptions({
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relay: {
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advertise: {
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bootDelay: 1000,
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ttl: 1000,
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enabled: true
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},
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autoRelay: {
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enabled: true,
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maxListeners: 1
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}
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},
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contentRouters: [
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delegate
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]
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})
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})
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])
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contentRoutingProvideSpy = sinon.spy(relayLibp2p.contentRouting, 'provide')
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})
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beforeEach(async () => {
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nock('http://0.0.0.0:60197')
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// mock the refs call
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.post('/api/v0/refs')
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.query(true)
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.reply(200, undefined, [
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'Content-Type', 'application/json',
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'X-Chunked-Output', '1'
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])
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// Start each node
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await Promise.all([local, remote, relayLibp2p].map(async libp2p => await libp2p.start()))
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// Should provide on start
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await pWaitFor(() => contentRoutingProvideSpy.callCount === 1)
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const provider = relayLibp2p.peerId.toString()
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const multiaddrs = relayLibp2p.getMultiaddrs().map(ma => ma.decapsulateCode(protocols('p2p').code))
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// Mock findProviders
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nock('http://0.0.0.0:60197')
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.post('/api/v0/dht/findprovs')
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.query(true)
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.reply(200, `{"Extra":"","ID":"${provider}","Responses":[{"Addrs":${JSON.stringify(multiaddrs)},"ID":"${provider}"}],"Type":4}\n`, [
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'Content-Type', 'application/json',
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'X-Chunked-Output', '1'
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])
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})
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afterEach(async () => {
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// Stop each node
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return await Promise.all([local, remote, relayLibp2p].map(async libp2p => await libp2p.stop()))
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})
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it('should find providers for relay and add it as listen relay', async () => {
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const originalMultiaddrsLength = local.getMultiaddrs().length
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// Spy Find Providers
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const contentRoutingFindProvidersSpy = sinon.spy(local.contentRouting, 'findProviders')
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const relayAddr = relayLibp2p.getMultiaddrs().pop()
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if (relayAddr == null) {
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throw new Error('Relay had no addresses')
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}
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// connect to relay
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await local.dial(relayAddr)
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// should start using the relay
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await usingAsRelay(local, relayLibp2p)
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// disconnect from relay, should start looking for new relays
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await local.hangUp(relayAddr)
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// Should try to find relay service providers
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await pWaitFor(() => contentRoutingFindProvidersSpy.callCount === 1)
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// Wait for peer added as listen relay
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await pWaitFor(() => local.getMultiaddrs().length === originalMultiaddrsLength + 1)
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|
|
const relayedAddr = local.getMultiaddrs()[local.getMultiaddrs().length - 1]
|
|
await remote.peerStore.addressBook.set(local.peerId, [relayedAddr])
|
|
|
|
// Dial from remote through the relayed address
|
|
const conn = await remote.dial(local.peerId)
|
|
|
|
expect(conn).to.exist()
|
|
})
|
|
})
|
|
})
|