chore: transform libp2p into monorepo

packages/libp2p/test/utils/creators/peer.js

@@ -0,0 +1,71 @@
+'use strict'
+
+const pTimes = require('p-times')
+
+const { Multiaddr } = require('multiaddr')
+const PeerId = require('peer-id')
+
+const Libp2p = require('../../../src')
+const Peers = require('../../fixtures/peers')
+const defaultOptions = require('../base-options.browser')
+
+const listenAddr = new Multiaddr('/ip4/127.0.0.1/tcp/0')
+
+/**
+ * Create libp2p nodes.
+ *
+ * @param {Object} [properties]
+ * @param {Object} [properties.config]
+ * @param {number} [properties.number] - number of peers (default: 1).
+ * @param {boolean} [properties.fixture] - use fixture for peer-id generation (default: true)
+ * @param {boolean} [properties.started] - nodes should start (default: true)
+ * @param {boolean} [properties.populateAddressBooks] - nodes addressBooks should be populated with other peers (default: true)
+ * @returns {Promise<Array<Libp2p>>}
+ */
+async function createPeer ({ number = 1, fixture = true, started = true, populateAddressBooks = true, config = {} } = {}) {
+  const peerIds = await createPeerId({ number, fixture })
+
+  const addresses = started ? { listen: [listenAddr] } : {}
+  const peers = await pTimes(number, (i) => Libp2p.create({
+    peerId: peerIds[i],
+    addresses,
+    ...defaultOptions,
+    ...config
+  }))
+
+  if (started) {
+    await Promise.all(peers.map((p) => p.start()))
+
+    populateAddressBooks && _populateAddressBooks(peers)
+  }
+
+  return peers
+}
+
+function _populateAddressBooks (peers) {
+  for (let i = 0; i < peers.length; i++) {
+    for (let j = 0; j < peers.length; j++) {
+      if (i !== j) {
+        peers[i].peerStore.addressBook.set(peers[j].peerId, peers[j].multiaddrs)
+      }
+    }
+  }
+}
+
+/**
+ * Create Peer-ids.
+ *
+ * @param {Object} [properties]
+ * @param {number} [properties.number] - number of peers (default: 1).
+ * @param {boolean} [properties.fixture] - use fixture for peer-id generation (default: true)
+ * @returns {Promise<Array<PeerId>>}
+ */
+function createPeerId ({ number = 1, fixture = true } = {}) {
+  return pTimes(number, (i) => fixture
+    ? PeerId.createFromJSON(Peers[i])
+    : PeerId.create()
+  )
+}
+
+module.exports.createPeer = createPeer
+module.exports.createPeerId = createPeerId