fix: peer record interop with go

package.json

@@ -65,7 +65,7 @@
     "merge-options": "^2.0.0",
     "moving-average": "^1.0.0",
     "multiaddr": "^8.0.0",
-    "multicodec": "^1.0.2",
+    "multicodec": "^2.0.0",
     "multistream-select": "^1.0.0",
     "mutable-proxy": "^1.0.0",
     "node-forge": "^0.9.1",

src/record/envelope/index.js

@@ -140,7 +140,7 @@ Envelope.createFromProtobuf = async (data) => {
 */
 Envelope.seal = async (record, peerId) => {
   const domain = record.domain
-  const payloadType = uint8arraysFromString(record.codec)
+  const payloadType = record.codec
   const payload = record.marshal()
 
   const signData = formatSignaturePayload(domain, payloadType, payload)

src/record/peer-record/consts.js

@@ -3,9 +3,9 @@
 const multicodec = require('multicodec')
 
 // The domain string used for peer records contained in a Envelope.
-module.exports.ENVELOPE_DOMAIN_PEER_RECORD = 'libp2p-peer-record'
+module.exports.ENVELOPE_DOMAIN_PEER_RECORD = multicodec.getName(multicodec.LIBP2P_PEER_RECORD)
 
 // The type hint used to identify peer records in a Envelope.
 // Defined in https://github.com/multiformats/multicodec/blob/master/table.csv
 // with name "libp2p-peer-record"
-module.exports.ENVELOPE_PAYLOAD_TYPE_PEER_RECORD = multicodec.print[multicodec.LIBP2P_PEER_RECORD]
+module.exports.ENVELOPE_PAYLOAD_TYPE_PEER_RECORD = Uint8Array.from([3, 1])

test/record/envelope.spec.js

@@ -7,14 +7,16 @@ chai.use(require('chai-bytes'))
 chai.use(require('chai-as-promised'))
 const { expect } = chai
 
+const uint8arrayFromString = require('uint8arrays/from-string')
+const uint8arrayEquals = require('uint8arrays/equals')
 const Envelope = require('../../src/record/envelope')
 const Record = require('libp2p-interfaces/src/record')
 const { codes: ErrorCodes } = require('../../src/errors')
 
 const peerUtils = require('../utils/creators/peer')
 
 const domain = 'libp2p-testing'
-const codec = '/libp2p/testdata'
+const codec = uint8arrayFromString('/libp2p/testdata')
 
 class TestRecord extends Record {
   constructor (data) {
@@ -23,16 +25,16 @@ class TestRecord extends Record {
   }
 
   marshal () {
-    return Buffer.from(this.data)
+    return uint8arrayFromString(this.data)
   }
 
   equals (other) {
-    return Buffer.compare(this.data, other.data)
+    return uint8arrayEquals(this.data, other.data)
   }
 }
 
 describe('Envelope', () => {
-  const payloadType = Buffer.from(codec)
+  const payloadType = codec
   let peerId
   let testRecord
 
@@ -43,7 +45,7 @@ describe('Envelope', () => {
 
   it('creates an envelope with a random key', () => {
     const payload = testRecord.marshal()
-    const signature = Buffer.from(Math.random().toString(36).substring(7))
+    const signature = uint8arrayFromString(Math.random().toString(36).substring(7))
 
     const envelope = new Envelope({
       peerId,
@@ -63,7 +65,7 @@ describe('Envelope', () => {
     const envelope = await Envelope.seal(testRecord, peerId)
     expect(envelope).to.exist()
     expect(envelope.peerId.equals(peerId)).to.eql(true)
-    expect(envelope.payloadType).to.equalBytes(payloadType)
+    expect(envelope.payloadType).to.eql(payloadType)
     expect(envelope.payload).to.exist()
     expect(envelope.signature).to.exist()
   })

test/record/peer-record.spec.js

@@ -7,6 +7,7 @@ const { expect } = chai
 
 const tests = require('libp2p-interfaces/src/record/tests')
 const multiaddr = require('multiaddr')
+const PeerId = require('peer-id')
 
 const Envelope = require('../../src/record/envelope')
 const PeerRecord = require('../../src/record/peer-record')
@@ -32,6 +33,23 @@ describe('PeerRecord', () => {
     [peerId] = await peerUtils.createPeerId()
   })
 
+  it('de/serializes the same as a go record', async () => {
+    const privKey = Uint8Array.from([8, 1, 18, 64, 133, 251, 231, 43, 96, 100, 40, 144, 4, 165, 49, 249, 103, 137, 141, 245, 49, 158, 224, 41, 146, 253, 216, 64, 33, 250, 80, 82, 67, 75, 246, 238, 17, 187, 163, 237, 23, 33, 148, 140, 239, 180, 229, 11, 10, 11, 181, 202, 216, 166, 181, 45, 199, 177, 164, 15, 79, 102, 82, 16, 92, 145, 226, 196])
+    const rawEnvelope = Uint8Array.from([10, 36, 8, 1, 18, 32, 17, 187, 163, 237, 23, 33, 148, 140, 239, 180, 229, 11, 10, 11, 181, 202, 216, 166, 181, 45, 199, 177, 164, 15, 79, 102, 82, 16, 92, 145, 226, 196, 18, 2, 3, 1, 26, 170, 1, 10, 38, 0, 36, 8, 1, 18, 32, 17, 187, 163, 237, 23, 33, 148, 140, 239, 180, 229, 11, 10, 11, 181, 202, 216, 166, 181, 45, 199, 177, 164, 15, 79, 102, 82, 16, 92, 145, 226, 196, 16, 216, 184, 224, 191, 147, 145, 182, 151, 22, 26, 10, 10, 8, 4, 1, 2, 3, 4, 6, 0, 0, 26, 10, 10, 8, 4, 1, 2, 3, 4, 6, 0, 1, 26, 10, 10, 8, 4, 1, 2, 3, 4, 6, 0, 2, 26, 10, 10, 8, 4, 1, 2, 3, 4, 6, 0, 3, 26, 10, 10, 8, 4, 1, 2, 3, 4, 6, 0, 4, 26, 10, 10, 8, 4, 1, 2, 3, 4, 6, 0, 5, 26, 10, 10, 8, 4, 1, 2, 3, 4, 6, 0, 6, 26, 10, 10, 8, 4, 1, 2, 3, 4, 6, 0, 7, 26, 10, 10, 8, 4, 1, 2, 3, 4, 6, 0, 8, 26, 10, 10, 8, 4, 1, 2, 3, 4, 6, 0, 9, 42, 64, 177, 151, 247, 107, 159, 40, 138, 242, 180, 103, 254, 102, 111, 119, 68, 118, 40, 112, 73, 180, 36, 183, 57, 117, 200, 134, 14, 251, 2, 55, 45, 2, 106, 121, 149, 132, 84, 26, 215, 47, 38, 84, 52, 100, 133, 188, 163, 236, 227, 100, 98, 183, 209, 177, 57, 28, 141, 39, 109, 196, 171, 139, 202, 11])
+    const peerId = await PeerId.createFromPrivKey(privKey)
+
+    const env = await Envelope.openAndCertify(rawEnvelope, PeerRecord.DOMAIN)
+    expect(peerId.equals(env.peerId))
+
+    const record = PeerRecord.createFromProtobuf(env.payload)
+
+    // The payload isn't going to match because of how the protobuf encodes uint64 values
+    // They are marshalled correctly on both sides, but will be off by 1 value
+    // Signatures will still be validated
+    const jsEnv = await Envelope.seal(record, peerId)
+    expect(env.payloadType).to.eql(jsEnv.payloadType)
+  })
+
   it('creates a peer record with peerId', () => {
     const peerRecord = new PeerRecord({ peerId })