refactor: add core modules to libp2p (#400)

* refactor: add js-libp2p-connection-manager to repo

Co-authored-by: David Dias <daviddias.p@gmail.com>
Co-authored-by: Jacob Heun <jacobheun@gmail.com>
Co-authored-by: Pedro Teixeira <i@pgte.me>
Co-authored-by: Vasco Santos <vasco.santos@ua.pt>

* test(conn-mgr): only run in node

* refactor: add js-libp2p-identify to repo

Co-authored-by: David Dias <daviddias.p@gmail.com>
Co-authored-by: Friedel Ziegelmayer <dignifiedquire@gmail.com>
Co-authored-by: Hugo Dias <hugomrdias@gmail.com>
Co-authored-by: Jacob Heun <jacobheun@gmail.com>
Co-authored-by: Maciej Krüger <mkg20001@gmail.com>
Co-authored-by: Richard Littauer <richard.littauer@gmail.com>
Co-authored-by: Vasco Santos <vasco.santos@moxy.studio>
Co-authored-by: Yusef Napora <yusef@protocol.ai>
Co-authored-by: ᴠɪᴄᴛᴏʀ ʙᴊᴇʟᴋʜᴏʟᴍ <victorbjelkholm@gmail.com>

* refactor: add libp2p-pnet to repo

Co-authored-by: Jacob Heun <jacobheun@gmail.com>
Co-authored-by: Vasco Santos <vasco.santos@moxy.studio>

* refactor: add libp2p-ping to repo

Co-authored-by: David Dias <daviddias.p@gmail.com>
Co-authored-by: Francisco Baio Dias <xicombd@gmail.com>
Co-authored-by: Friedel Ziegelmayer <dignifiedquire@gmail.com>
Co-authored-by: Hugo Dias <mail@hugodias.me>
Co-authored-by: Jacob Heun <jacobheun@gmail.com>
Co-authored-by: João Antunes <j.goncalo.antunes@gmail.com>
Co-authored-by: Richard Littauer <richard.littauer@gmail.com>
Co-authored-by: Vasco Santos <vasco.santos@moxy.studio>
Co-authored-by: Vasco Santos <vasco.santos@ua.pt>
Co-authored-by: ᴠɪᴄᴛᴏʀ ʙᴊᴇʟᴋʜᴏʟᴍ <victorbjelkholm@gmail.com>

* refactor: add libp2p-circuit to repo

Co-authored-by: David Dias <daviddias.p@gmail.com>
Co-authored-by: Dmitriy Ryajov <dryajov@gmail.com>
Co-authored-by: Friedel Ziegelmayer <dignifiedquire@gmail.com>
Co-authored-by: Hugo Dias <mail@hugodias.me>
Co-authored-by: Jacob Heun <jacobheun@gmail.com>
Co-authored-by: Maciej Krüger <mkg20001@gmail.com>
Co-authored-by: Oli Evans <oli@tableflip.io>
Co-authored-by: Pedro Teixeira <i@pgte.me>
Co-authored-by: Vasco Santos <vasco.santos@ua.pt>
Co-authored-by: Victor Bjelkholm <victorbjelkholm@gmail.com>
Co-authored-by: Yusef Napora <yusef@napora.org>
Co-authored-by: dirkmc <dirk@mccormick.cx>

* test(switch): avoid using instanceof

* chore(switch): update bignumber dep

* refactor(circuit): clean up tests

* refactor(switch): consolidate get peer utils

* test(identify): do deep checks of addresses

* test(identify): bump timeout for identify test

* test(switch): tidy up limit dialer test

* refactor(switch): remove redundant circuit tests

* chore: add coverage script

* refactor(circuit): consolidate get peer info

* docs: reference original repositories in each sub readme

* docs: fix comment

* refactor: clean up sub package.json files and readmes

test/circuit/stop.spec.js

@@ -0,0 +1,85 @@
+/* eslint-env mocha */
+'use strict'
+
+const Stop = require('../../src/circuit/circuit/stop')
+const nodes = require('./fixtures/nodes')
+const Connection = require('interface-connection').Connection
+const handshake = require('pull-handshake')
+const waterfall = require('async/waterfall')
+const PeerInfo = require('peer-info')
+const PeerId = require('peer-id')
+const StreamHandler = require('../../src/circuit/circuit/stream-handler')
+const proto = require('../../src/circuit/protocol')
+
+const chai = require('chai')
+const dirtyChai = require('dirty-chai')
+const expect = chai.expect
+chai.use(dirtyChai)
+
+describe('stop', function () {
+  describe(`handle relayed connections`, function () {
+    let stopHandler
+
+    let swarm
+    let conn
+    let stream
+
+    beforeEach(function (done) {
+      stream = handshake({ timeout: 1000 * 60 })
+      conn = new Connection(stream)
+      const peerId = PeerId.createFromB58String('QmSswe1dCFRepmhjAMR5VfHeokGLcvVggkuDJm7RMfJSrE')
+      conn.setPeerInfo(new PeerInfo(peerId))
+
+      waterfall([
+        (cb) => PeerId.createFromJSON(nodes.node4, cb),
+        (peerId, cb) => PeerInfo.create(peerId, cb),
+        (peer, cb) => {
+          peer.multiaddrs.add('/p2p-circuit/ipfs/QmSswe1dCFRepmhjAMR5VfHeokGLcvVggkuDJm7RMfJSrE')
+          swarm = {
+            _peerInfo: peer,
+            conns: {
+              QmSswe1dCFRepmhjAMR5VfHeokGLcvVggkuDJm7RMfJSrE: new Connection()
+            }
+          }
+
+          stopHandler = new Stop(swarm)
+          cb()
+        }
+      ], done)
+    })
+
+    it(`handle request with a valid multiaddr`, function (done) {
+      stopHandler.handle({
+        type: proto.CircuitRelay.Type.STOP,
+        srcPeer: {
+          id: `QmSswe1dCFRepmhjAMR5VfHeokGLcvVggkuDJm7RMfJSrE`,
+          addrs: [`/ipfs/QmSswe1dCFRepmhjAMR5VfHeokGLcvVggkuDJm7RMfJSrE`]
+        },
+        dstPeer: {
+          id: `QmQvM2mpqkjyXWbTHSUidUAWN26GgdMphTh9iGDdjgVXCy`,
+          addrs: [`/ipfs/QmQvM2mpqkjyXWbTHSUidUAWN26GgdMphTh9iGDdjgVXCy`]
+        }
+      }, new StreamHandler(conn), (conn) => { // multistream handler doesn't expect errors...
+        expect(conn).to.be.instanceOf(Connection)
+        done()
+      })
+    })
+
+    it(`handle request with invalid multiaddr`, function (done) {
+      stopHandler.handle({
+        type: proto.CircuitRelay.Type.STOP,
+        srcPeer: {
+          id: `QmSswe1dCFRepmhjAMR5VfHeokGLcvVggkuDJm7RMfJSrE`,
+          addrs: [`dsfsdfsdf`]
+        },
+        dstPeer: {
+          id: `QmQvM2mpqkjyXWbTHSUidUAWN26GgdMphTh9iGDdjgVXCy`,
+          addrs: [`sdflksdfndsklfnlkdf`]
+        }
+      }, new StreamHandler(conn), (conn) => {
+        expect(conn).to.not.exist()
+        done()
+      })
+    })
+  })
+})