feat: flip to v1+v2 by default

ipns/record.go

@@ -213,7 +213,12 @@ func WithPublicKey(embedded bool) Option {
 }
 
 func processOptions(opts ...Option) *options {
-	options := &options{}
+	options := &options{
+		// TODO: produce V2-only records by default after IPIP-XXXX ships with Kubo
+		// and Helia for at least 6 months.
+		v1Compatibility: true,
+	}
+
 	for _, opt := range opts {
 		opt(options)
 	}
@@ -223,7 +228,8 @@ func processOptions(opts ...Option) *options {
 // NewRecord creates a new IPNS [Record] and signs it with the given private key.
 // By default, we embed the public key for key types whose peer IDs do not encode
 // the public key, such as RSA and ECDSA key types. This can be changed with the
-// option [WithPublicKey].
+// option [WithPublicKey]. In addition, records are, by default created with V1
+// compatibility.
 func NewRecord(sk ic.PrivKey, value path.Path, seq uint64, eol time.Time, ttl time.Duration, opts ...Option) (*Record, error) {
 	options := processOptions(opts...)
 

ipns/record_test.go

@@ -88,34 +88,34 @@ func TestNewRecord(t *testing.T) {
 	eol := time.Now().Add(time.Hour)
 	ttl := time.Minute * 10
 
-	t.Run("V2 only record by default", func(t *testing.T) {
+	t.Run("V1+V2 records by default", func(t *testing.T) {
 		t.Parallel()
 
 		rec := mustNewRecord(t, sk, testPath, seq, eol, ttl)
-		require.Empty(t, rec.pb.SignatureV1)
+		require.NotEmpty(t, rec.pb.SignatureV1)
 
 		_, err := rec.PubKey()
 		require.ErrorIs(t, err, ErrPublicKeyNotFound)
 
 		fieldsMatch(t, rec, testPath, seq, eol, ttl)
-		require.Empty(t, rec.pb.GetValue())
-		require.Empty(t, rec.pb.GetSequence())
-		require.Empty(t, rec.pb.GetValidity())
-		require.Empty(t, rec.pb.GetValidityType())
-		require.Empty(t, rec.pb.GetTtl())
+		fieldsMatchV1(t, rec, testPath, seq, eol, ttl)
 	})
 
-	t.Run("V1+V2 with option", func(t *testing.T) {
+	t.Run("V2 records with option", func(t *testing.T) {
 		t.Parallel()
 
-		rec := mustNewRecord(t, sk, testPath, seq, eol, ttl, WithV1Compatibility(true))
-		require.NotEmpty(t, rec.pb.SignatureV1)
+		rec := mustNewRecord(t, sk, testPath, seq, eol, ttl, WithV1Compatibility(false))
+		require.Empty(t, rec.pb.SignatureV1)
 
 		_, err := rec.PubKey()
 		require.ErrorIs(t, err, ErrPublicKeyNotFound)
 
 		fieldsMatch(t, rec, testPath, seq, eol, ttl)
-		fieldsMatchV1(t, rec, testPath, seq, eol, ttl)
+		require.Empty(t, rec.pb.GetValue())
+		require.Empty(t, rec.pb.GetSequence())
+		require.Empty(t, rec.pb.GetValidity())
+		require.Empty(t, rec.pb.GetValidityType())
+		require.Empty(t, rec.pb.GetTtl())
 	})
 
 	t.Run("Public key embedded by default for RSA and ECDSA keys", func(t *testing.T) {

namesys/publisher.go

@@ -178,7 +178,7 @@ func (p *IpnsPublisher) updateRecord(ctx context.Context, k crypto.PrivKey, valu
 	opts := opts.ProcessPublishOptions(options)
 
 	// Create record
-	r, err := ipns.NewRecord(k, value, seqno, opts.EOL, opts.TTL, ipns.WithV1Compatibility(opts.CompatibleWithV1))
+	r, err := ipns.NewRecord(k, value, seqno, opts.EOL, opts.TTL)
 	if err != nil {
 		return nil, err
 	}