fixup for latest micro v4

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

go.mod

@@ -1,4 +1,4 @@
-module go.unistack.org/micro-tracer-opentracing/v3
+module go.unistack.org/micro-tracer-opentracing/v4
 
 go 1.22.0
 
@@ -7,7 +7,7 @@ toolchain go1.23.4
 require (
 	github.com/opentracing/opentracing-go v1.2.0
 	go.opentelemetry.io/otel v1.35.0
-	go.unistack.org/micro/v3 v3.11.43
+	go.unistack.org/micro/v4 v4.1.6
 )
 
 require (

go.sum

@@ -1,10 +1,12 @@
+github.com/DATA-DOG/go-sqlmock v1.5.2 h1:OcvFkGmslmlZibjAjaHm3L//6LiuBgolP7OputlJIzU=
+github.com/DATA-DOG/go-sqlmock v1.5.2/go.mod h1:88MAG/4G7SMwSE3CeA0ZKzrT5CiOU3OJ+JlNzwDqpNU=
 github.com/ash3in/uuidv8 v1.2.0 h1:2oogGdtCPwaVtyvPPGin4TfZLtOGE5F+W++E880G6SI=
 github.com/ash3in/uuidv8 v1.2.0/go.mod h1:BnU0wJBxnzdEKmVg4xckBkD+VZuecTFTUP3M0dWgyY4=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/matoous/go-nanoid v1.5.1 h1:aCjdvTyO9LLnTIi0fgdXhOPPvOHjpXN6Ik9DaNjIct4=
@@ -18,13 +20,9 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-go.opentelemetry.io/otel v1.33.0 h1:/FerN9bax5LoK51X/sI0SVYrjSE0/yUL7DpxW4K3FWw=
-go.opentelemetry.io/otel v1.33.0/go.mod h1:SUUkR6csvUQl+yjReHu5uM3EtVV7MBm5FHKRlNx4I8I=
 go.opentelemetry.io/otel v1.35.0 h1:xKWKPxrxB6OtMCbmMY021CqC45J+3Onta9MqjhnusiQ=
 go.opentelemetry.io/otel v1.35.0/go.mod h1:UEqy8Zp11hpkUrL73gSlELM0DupHoiq72dR+Zqel/+Y=
-go.unistack.org/micro/v3 v3.11.17 h1:Ix3833Ri8/T1Y+wUoAF5HJAn7+Aw/NEPkDdR3v3IXFs=
+go.unistack.org/micro/v4 v4.1.6 h1:sYLpe1Vd8/lDwddtV0BLTvJ+i+fllXAS4fZngT1wKZ4=
-go.unistack.org/micro/v3 v3.11.17/go.mod h1:anELQdvF4yjGIqoaJU8SIWbTpKPFYA6Y1UMzzi/M7Hk=
+go.unistack.org/micro/v4 v4.1.6/go.mod h1:lr3oYED8Ay1vjK68QqRw30QOtdk/ffpZqMFDasOUhKw=
-go.unistack.org/micro/v3 v3.11.43 h1:+zIt+NjMhHHNbOpllQVilz96UWV5qsSGV+JFgTC4xFM=
-go.unistack.org/micro/v3 v3.11.43/go.mod h1:POGU5hstnAT9LH70m8FalyQSNi2GfIew71K75JenIZk=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

opentracing.go

@@ -8,9 +8,8 @@ import (
 	ot "github.com/opentracing/opentracing-go"
 	otlog "github.com/opentracing/opentracing-go/log"
 	"go.opentelemetry.io/otel/attribute"
-	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v4/metadata"
-	"go.unistack.org/micro/v3/tracer"
+	"go.unistack.org/micro/v4/tracer"
-	"go.unistack.org/micro/v3/util/sort"
 )
 
 var _ tracer.Tracer = &otTracer{}
@@ -183,7 +182,7 @@ func (os *otSpan) Finish(opts ...tracer.SpanOption) {
 		options.Labels = options.Labels[:len(options.Labels)-1]
 	}
 
-	os.opts.Labels = sort.Uniq(os.opts.Labels)
+	// options.Labels = sort.Uniq(options.Labels)
 
 	l := len(options.Labels)
 	for idx := 0; idx < l; idx++ {
@@ -279,7 +278,7 @@ func (t *otTracer) startSpanFromContext(ctx context.Context, name string, opts .
 		opts = append(opts, ot.ChildOf(parentSpan.Context()))
 	}
 
-	md := metadata.New(1)
+	md := make(map[string]string, 1)
 
 	sp := t.tracer.StartSpan(name, opts...)
 	if err := sp.Tracer().Inject(sp.Context(), ot.TextMap, ot.TextMapCarrier(md)); err != nil {
@@ -312,7 +311,8 @@ func (t *otTracer) startSpanFromOutgoingContext(ctx context.Context, name string
 		var parentCtx ot.SpanContext
 
 		if ok && md != nil {
-			if spanCtx, err := t.tracer.Extract(ot.TextMap, ot.TextMapCarrier(md)); err == nil && ok {
+			smd := make(map[string]string, 1)
+			if spanCtx, err := t.tracer.Extract(ot.TextMap, ot.TextMapCarrier(smd)); err == nil && ok {
 				parentCtx = spanCtx
 			}
 		}
@@ -323,7 +323,7 @@ func (t *otTracer) startSpanFromOutgoingContext(ctx context.Context, name string
 	}
 
 	nmd := metadata.Copy(md)
-	smd := metadata.New(1)
+	smd := make(map[string]string, 1)
 
 	sp := t.tracer.StartSpan(name, opts...)
 	if err := sp.Tracer().Inject(sp.Context(), ot.TextMap, ot.TextMapCarrier(smd)); err != nil {
@@ -359,7 +359,8 @@ func (t *otTracer) startSpanFromIncomingContext(ctx context.Context, name string
 		var parentCtx ot.SpanContext
 
 		if ok && md != nil {
-			if spanCtx, err := t.tracer.Extract(ot.TextMap, ot.TextMapCarrier(md)); err == nil {
+			smd := make(map[string]string, 1)
+			if spanCtx, err := t.tracer.Extract(ot.TextMap, ot.TextMapCarrier(smd)); err == nil {
 				parentCtx = spanCtx
 			}
 		}
@@ -370,7 +371,7 @@ func (t *otTracer) startSpanFromIncomingContext(ctx context.Context, name string
 	}
 
 	nmd := metadata.Copy(md)
-	smd := metadata.New(1)
+	smd := make(map[string]string, 1)
 
 	sp := t.tracer.StartSpan(name, opts...)
 	if err := sp.Tracer().Inject(sp.Context(), ot.TextMap, ot.TextMapCarrier(smd)); err != nil {

opentracing_test.go

@@ -7,9 +7,9 @@ import (
 
 	"github.com/opentracing/opentracing-go/mocktracer"
 	// jconfig "github.com/uber/jaeger-client-go/config"
-	"go.unistack.org/micro/v3/logger/slog"
+	"go.unistack.org/micro/v4/logger/slog"
-	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v4/metadata"
-	"go.unistack.org/micro/v3/tracer"
+	"go.unistack.org/micro/v4/tracer"
 )
 
 func TestNoopTraceID(t *testing.T) {

options.go

@@ -2,7 +2,7 @@ package opentracing
 
 import (
 	"github.com/opentracing/opentracing-go"
-	"go.unistack.org/micro/v3/tracer"
+	"go.unistack.org/micro/v4/tracer"
 )
 
 type tracerKey struct{}