17 changed files with 167 additions and 458 deletions
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@ -1,19 +0,0 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
-version: 2
-updates:
-
-  # Maintain dependencies for GitHub Actions
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "daily"
-
-  # Maintain dependencies for Golang
-  - package-ecosystem: "gomod"
-    directory: "/"
-    schedule:
-      interval: "daily"
--- a/.github/renovate.json
+++ b/.github/renovate.json
@ -0,0 +1,20 @@
+{
+  "extends": [
+    "config:base"
+  ],
+  "postUpdateOptions": ["gomodTidy"],
+  "packageRules": [
+    {
+      "matchUpdateTypes": ["minor", "patch", "pin", "digest"],
+      "automerge": true
+    },
+    {
+      "groupName": "all deps",
+      "separateMajorMinor": true,
+      "groupSlug": "all",
+      "packagePatterns": [
+        "*"
+      ]
+    }
+  ]
+}
--- a/.github/stale.sh
+++ b/.github/stale.sh
@ -0,0 +1,13 @@
+#!/bin/bash -ex
+
+export PATH=$PATH:$(pwd)/bin
+export GO111MODULE=on
+export GOBIN=$(pwd)/bin
+
+#go get github.com/rvflash/goup@v0.4.1
+
+#goup -v ./...
+#go get github.com/psampaz/go-mod-outdated@v0.6.0
+go list -u -m -mod=mod -json all | go-mod-outdated -update -direct -ci || true
+
+#go list -u -m -json all | go-mod-outdated -update
--- a/.github/workflows/autoapprove.yml
+++ b/.github/workflows/autoapprove.yml
@ -1,20 +0,0 @@
-name: "autoapprove"
-
-on:
-  pull_request_target:
-    types: [assigned, opened, synchronize, reopened]
-
-permissions:
-  pull-requests: write
-  contents: write
-
-jobs:
-  autoapprove:
-    runs-on: ubuntu-latest
-    steps:
-      - name: approve
-        uses: hmarr/auto-approve-action@v3
-        if: github.actor == 'vtolstov' || github.actor == 'dependabot[bot]'
-        id: approve
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
--- a/.github/workflows/automerge.yml
+++ b/.github/workflows/automerge.yml
@ -1,21 +0,0 @@
-name: "automerge"
-
-on:
-  pull_request_target:
-    types: [assigned, opened, synchronize, reopened]
-
-permissions:
-  pull-requests: write
-  contents: write
-
-jobs:
-  automerge:
-    runs-on: ubuntu-latest
-    if: github.actor == 'vtolstov'
-    steps:
-      - name: merge
-        id: merge
-        run: gh pr merge --auto --merge "$PR_URL"
-        env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.TOKEN}}
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@ -3,20 +3,19 @@ on:
 push:
    branches:
    - master
-    - v3
 jobs:
  test:
    name: test
    runs-on: ubuntu-latest
    steps:
    - name: setup
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@v2
      with:
-        go-version: 1.17
+        go-version: 1.16
    - name: checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v2
    - name: cache
-      uses: actions/cache@v3
+      uses: actions/cache@v2
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@ -32,9 +31,9 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
      - name: lint
-        uses: golangci/golangci-lint-action@v3.4.0
+        uses: golangci/golangci-lint-action@v2
        continue-on-error: true
        with:
          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@ -1,78 +0,0 @@
-# For most projects, this workflow file will not need changing; you simply need
-# to commit it to your repository.
-#
-# You may wish to alter this file to override the set of languages analyzed,
-# or to provide custom queries or build logic.
-#
-# ******** NOTE ********
-# We have attempted to detect the languages in your repository. Please check
-# the `language` matrix defined below to confirm you have the correct set of
-# supported CodeQL languages.
-#
-name: "codeql"
-
-on:
-  workflow_run:
-    workflows: ["prbuild"]
-    types:
-      - completed
-  push:
-    branches: [ master, v3 ]
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ master, v3 ]
-  schedule:
-    - cron: '34 1 * * 0'
-
-jobs:
-  analyze:
-    name: analyze
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      security-events: write
-
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'go' ]
-        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
-        # Learn more:
-        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
-
-    steps:
-    - name: checkout
-      uses: actions/checkout@v3
-    - name: setup
-      uses: actions/setup-go@v3
-      with:
-        go-version: 1.17
-    # Initializes the CodeQL tools for scanning.
-    - name: init
-      uses: github/codeql-action/init@v2
-      with:
-        languages: ${{ matrix.language }}
-        # If you wish to specify custom queries, you can do so here or in a config file.
-        # By default, queries listed here will override any specified in a config file.
-        # Prefix the list here with "+" to use these queries and those in the config file.
-        # queries: ./path/to/local/query, your-org/your-repo/queries@main
-
-    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
-    # If this step fails, then you should remove it and run the build manually (see below)
-    - name: autobuild
-      uses: github/codeql-action/autobuild@v2
-
-    # ℹ️ Command-line programs to run using the OS shell.
-    # 📚 https://git.io/JvXDl
-
-    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
-    #    and modify them (or add more) to build your code if your project
-    #    uses a compiled language
-
-    #- run: |
-    #   make bootstrap
-    #   make release
-
-    - name: analyze
-      uses: github/codeql-action/analyze@v2
--- a/.github/workflows/dependabot-automerge.yml
+++ b/.github/workflows/dependabot-automerge.yml
@ -1,27 +0,0 @@
-name: "dependabot-automerge"
-
-on:
-  pull_request_target:
-    types: [assigned, opened, synchronize, reopened]
-
-permissions:
-  pull-requests: write
-  contents: write
-
-jobs:
-  automerge:
-    runs-on: ubuntu-latest
-    if: github.actor == 'dependabot[bot]'
-    steps:
-      - name: metadata
-        id: metadata
-        uses: dependabot/fetch-metadata@v1.3.6
-        with:
-          github-token: "${{ secrets.TOKEN }}"
-      - name: merge
-        id: merge
-        if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
-        run: gh pr merge --auto --merge "$PR_URL"
-        env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.TOKEN}}
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@ -3,20 +3,19 @@ on:
  pull_request:
    branches:
    - master
-    - v3
 jobs:
  test:
    name: test
    runs-on: ubuntu-latest
    steps:
    - name: setup
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@v2
      with:
-        go-version: 1.17
+        go-version: 1.16
    - name: checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v2
    - name: cache
-      uses: actions/cache@v3
+      uses: actions/cache@v2
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@ -32,9 +31,9 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
      - name: lint
-        uses: golangci/golangci-lint-action@v3.4.0
+        uses: golangci/golangci-lint-action@v2
        continue-on-error: true
        with:
          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
--- a/README.md
+++ b/README.md
@ -1 +0,0 @@
-# micro-codec-segmentio
--- a/go.mod
+++ b/go.mod
@ -1,16 +1,9 @@
-module go.unistack.org/micro-codec-segmentio/v4
+module github.com/unistack-org/micro-codec-segmentio/v3

-go 1.19
+go 1.16

 require (
-	github.com/segmentio/encoding v0.3.6
-	go.unistack.org/micro-proto/v4 v4.0.0
-	go.unistack.org/micro/v4 v4.0.1
-	google.golang.org/protobuf v1.28.1
-)
-
-require (
-	github.com/google/go-cmp v0.5.7 // indirect
-	github.com/segmentio/asm v1.2.0 // indirect
-	golang.org/x/sys v0.6.0 // indirect
+	github.com/segmentio/encoding v0.2.17
+	github.com/unistack-org/micro/v3 v3.3.19
+	google.golang.org/protobuf v1.26.0
 )
--- a/go.sum
+++ b/go.sum
@ -1,21 +1,28 @@
+github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/ef-ds/deque v1.0.4/go.mod h1:gXDnTC3yqvBcHbq2lcExjtAcVrOnJCbMcZXmuj8Z4tg=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
-github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
-github.com/segmentio/asm v1.1.3/go.mod h1:Ld3L4ZXGNcSLRg4JBsZ3//1+f/TjYl0Mzen/DQy1EJg=
-github.com/segmentio/asm v1.2.0 h1:9BQrFxC+YOHJlTlHGkTrFWf59nbL3XnCoFLTwDCI7ys=
-github.com/segmentio/asm v1.2.0/go.mod h1:BqMnlJP91P8d+4ibuonYZw9mfnzI9HfxselHZr5aAcs=
-github.com/segmentio/encoding v0.3.6 h1:E6lVLyDPseWEulBmCmAKPanDd3jiyGDo5gMcugCRwZQ=
-github.com/segmentio/encoding v0.3.6/go.mod h1:n0JeuIqEQrQoPDGsjo8UNd1iA0U8d8+oHAA4E3G3OxM=
-go.unistack.org/micro-proto/v4 v4.0.0 h1:+TAwKSlx48eLsNO2E2cO0JLE8we1KU2AuWe9Q310FuU=
-go.unistack.org/micro-proto/v4 v4.0.0/go.mod h1:ArmK7o+uFvxSY3dbJhKBBX4Pm1rhWdLEFf3LxBrMtec=
-go.unistack.org/micro/v4 v4.0.1 h1:xo1IxbVfgh8i0eY0VeYa3cbb13u5n/Mxnp3FOgWD4Jo=
-go.unistack.org/micro/v4 v4.0.1/go.mod h1:p/J5UcSJjfHsWGT31uKoghQ5rUQZzQJBAFy+Z4+ZVMs=
-golang.org/x/sys v0.0.0-20211110154304-99a53858aa08/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
-golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
+github.com/klauspost/cpuid/v2 v2.0.5 h1:qnfhwbFriwDIX51QncuNU5mEMf+6KE3t7O8V2KQl3Dg=
+github.com/klauspost/cpuid/v2 v2.0.5/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
+github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
+github.com/segmentio/encoding v0.2.17 h1:cgfmPc44u1po1lz5bSgF00gLCROBjDNc7h+H7I20zpc=
+github.com/segmentio/encoding v0.2.17/go.mod h1:7E68jTSWMnNoYhHi1JbLd7NBSB6XfE4vzqhR88hDBQc=
+github.com/silas/dag v0.0.0-20210121180416-41cf55125c34/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
+github.com/unistack-org/micro/v3 v3.3.19 h1:x0bl4H+IZvdHHKfA8qMcox9W92+e7rtbqgRfQPoP79w=
+github.com/unistack-org/micro/v3 v3.3.19/go.mod h1:LXmPfbJnJNvL0kQs8HfnkV3Wya2Wb+C7keVq++RCZnk=
+golang.org/x/net v0.0.0-20210510120150-4163338589ed/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
-google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
--- a/json/codec_test.go
+++ b/json/codec_test.go
@ -3,40 +3,8 @@ package json
 import (
 	"bytes"
 	"testing"
-
-	"go.unistack.org/micro/v4/codec"
 )

-func TestFrame(t *testing.T) {
-	s := &codec.Frame{Data: []byte("test")}
-
-	buf, err := NewCodec().Marshal(s)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if !bytes.Equal(buf, []byte(`test`)) {
-		t.Fatalf("bytes not equal %s != %s", buf, `test`)
-	}
-}
-
-func TestFrameFlatten(t *testing.T) {
-	s := &struct {
-		One  string
-		Name *codec.Frame `json:"name" codec:"flatten"`
-	}{
-		One:  "xx",
-		Name: &codec.Frame{Data: []byte("test")},
-	}
-
-	buf, err := NewCodec().Marshal(s)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if !bytes.Equal(buf, []byte(`test`)) {
-		t.Fatalf("bytes not equal %s != %s", buf, `test`)
-	}
-}
-
 func TestReadBody(t *testing.T) {
 	s := &struct {
 		Name string
--- a/json/json.go
+++ b/json/json.go
@ -1,39 +1,33 @@
 // Package json provides a json codec
-package json // import "go.unistack.org/micro-codec-segmentio/v4/json"
+package json

 import (
 	"io"

 	"github.com/segmentio/encoding/json"
-	pb "go.unistack.org/micro-proto/v4/codec"
-	"go.unistack.org/micro/v4/codec"
-	rutil "go.unistack.org/micro/v4/util/reflect"
+	"github.com/unistack-org/micro/v3/codec"
+	rutil "github.com/unistack-org/micro/v3/util/reflect"
 )

 var (
-	DefaultMarshalOptions = JsonMarshalOptions{
-		EscapeHTML:  true,
-		SortMapKeys: true,
-	}
+	JsonMarshaler = &Marshaler{}

-	DefaultUnmarshalOptions = JsonUnmarshalOptions{
+	JsonUnmarshaler = &Unmarshaler{
 		ZeroCopy: true,
 	}
 )

-var _ codec.Codec = &jsonCodec{}
-
 const (
 	flattenTag = "flatten"
 )

-type JsonMarshalOptions struct {
+type Marshaler struct {
 	EscapeHTML      bool
 	SortMapKeys     bool
 	TrustRawMessage bool
 }

-type JsonUnmarshalOptions struct {
+type Unmarshaler struct {
 	DisallowUnknownFields                bool
 	DontCopyNumber                       bool
 	DontCopyRawMessage                   bool
@ -44,128 +38,44 @@ type JsonUnmarshalOptions struct {
 }

 type jsonCodec struct {
-	opts        codec.Options
 	encodeFlags json.AppendFlags
 	decodeFlags json.ParseFlags
 }

-func getMarshalFlags(o JsonMarshalOptions) json.AppendFlags {
-	var encodeFlags json.AppendFlags
-
-	if o.EscapeHTML {
-		encodeFlags |= json.EscapeHTML
-	}
-
-	if o.SortMapKeys {
-		encodeFlags |= json.SortMapKeys
-	}
-
-	if o.TrustRawMessage {
-		encodeFlags |= json.TrustRawMessage
-	}
-
-	return encodeFlags
-}
-
-func getUnmarshalFlags(o JsonUnmarshalOptions) json.ParseFlags {
-	var decodeFlags json.ParseFlags
-
-	if o.DisallowUnknownFields {
-		decodeFlags |= json.DisallowUnknownFields
-	}
-
-	if o.DontCopyNumber {
-		decodeFlags |= json.DontCopyNumber
-	}
-
-	if o.DontCopyRawMessage {
-		decodeFlags |= json.DontCopyRawMessage
-	}
-
-	if o.DontCopyString {
-		decodeFlags |= json.DontCopyString
-	}
-
-	if o.DontMatchCaseInsensitiveStructFields {
-		decodeFlags |= json.DontMatchCaseInsensitiveStructFields
-	}
-
-	if o.UseNumber {
-		decodeFlags |= json.UseNumber
-	}
-
-	if o.ZeroCopy {
-		decodeFlags |= json.ZeroCopy
-	}
-
-	return decodeFlags
-}
-
-func (c *jsonCodec) Marshal(v interface{}, opts ...codec.Option) ([]byte, error) {
-	if v == nil {
-		return nil, nil
-	}
-
-	options := c.opts
-	for _, o := range opts {
-		o(&options)
-	}
-
-	if nv, err := rutil.StructFieldByTag(v, options.TagName, flattenTag); err == nil {
-		v = nv
-	}
-
+func (c *jsonCodec) Marshal(v interface{}) ([]byte, error) {
 	switch m := v.(type) {
+	case nil:
+		return nil, nil
 	case *codec.Frame:
 		return m.Data, nil
-	case *pb.Frame:
-		return m.Data, nil
 	}

-	marshalOptions := DefaultMarshalOptions
-	if options.Context != nil {
-		if f, ok := options.Context.Value(marshalOptionsKey{}).(JsonMarshalOptions); ok {
-			marshalOptions = f
-		}
+	if nv, nerr := rutil.StructFieldByTag(v, codec.DefaultTagName, flattenTag); nerr == nil {
+		v = nv
 	}

 	var err error
 	var buf []byte
-	buf, err = json.Append(buf, v, getMarshalFlags(marshalOptions))
+	buf, err = json.Append(buf, v, c.encodeFlags)
 	return buf, err
 }

-func (c *jsonCodec) Unmarshal(b []byte, v interface{}, opts ...codec.Option) error {
-	if len(b) == 0 || v == nil {
+func (c *jsonCodec) Unmarshal(b []byte, v interface{}) error {
+	if len(b) == 0 {
 		return nil
 	}
-
-	options := c.opts
-	for _, o := range opts {
-		o(&options)
-	}
-
-	if nv, err := rutil.StructFieldByTag(v, options.TagName, flattenTag); err == nil {
-		v = nv
-	}
-
 	switch m := v.(type) {
+	case nil:
+		return nil
 	case *codec.Frame:
 		m.Data = b
 		return nil
-	case *pb.Frame:
-		m.Data = b
-		return nil
 	}

-	unmarshalOptions := DefaultUnmarshalOptions
-	if options.Context != nil {
-		if f, ok := options.Context.Value(unmarshalOptionsKey{}).(JsonUnmarshalOptions); ok {
-			unmarshalOptions = f
-		}
+	if nv, nerr := rutil.StructFieldByTag(v, codec.DefaultTagName, flattenTag); nerr == nil {
+		v = nv
 	}
-
-	_, err := json.Parse(b, v, getUnmarshalFlags(unmarshalOptions))
+	_, err := json.Parse(b, v, c.decodeFlags)
 	return err
 }

@ -207,6 +117,49 @@ func (c *jsonCodec) String() string {
 	return "json"
 }

-func NewCodec(opts ...codec.Option) *jsonCodec {
-	return &jsonCodec{opts: codec.NewOptions(opts...)}
+func NewCodec() codec.Codec {
+	var encodeFlags json.AppendFlags
+	var decodeFlags json.ParseFlags
+
+	if JsonMarshaler.EscapeHTML {
+		encodeFlags |= json.EscapeHTML
+	}
+
+	if JsonMarshaler.SortMapKeys {
+		encodeFlags |= json.SortMapKeys
+	}
+
+	if JsonMarshaler.TrustRawMessage {
+		encodeFlags |= json.TrustRawMessage
+	}
+
+	if JsonUnmarshaler.DisallowUnknownFields {
+		decodeFlags |= json.DisallowUnknownFields
+	}
+
+	if JsonUnmarshaler.DontCopyNumber {
+		decodeFlags |= json.DontCopyNumber
+	}
+
+	if JsonUnmarshaler.DontCopyRawMessage {
+		decodeFlags |= json.DontCopyRawMessage
+	}
+
+	if JsonUnmarshaler.DontCopyString {
+		decodeFlags |= json.DontCopyString
+	}
+
+	if JsonUnmarshaler.DontMatchCaseInsensitiveStructFields {
+		decodeFlags |= json.DontMatchCaseInsensitiveStructFields
+	}
+
+	if JsonUnmarshaler.UseNumber {
+		decodeFlags |= json.UseNumber
+	}
+
+	if JsonUnmarshaler.ZeroCopy {
+		decodeFlags |= json.ZeroCopy
+	}
+
+	return &jsonCodec{encodeFlags: encodeFlags, decodeFlags: decodeFlags}
 }
--- a/json/options.go
+++ b/json/options.go
@ -1,17 +0,0 @@
-package json
-
-import (
-	codec "go.unistack.org/micro/v4/codec"
-)
-
-type unmarshalOptionsKey struct{}
-
-func UnmarshalOptions(o JsonUnmarshalOptions) codec.Option {
-	return codec.SetOption(unmarshalOptionsKey{}, o)
-}
-
-type marshalOptionsKey struct{}
-
-func MarshalOptions(o JsonMarshalOptions) codec.Option {
-	return codec.SetOption(marshalOptionsKey{}, o)
-}
--- a/proto/codec_test.go
+++ b/proto/codec_test.go
@ -3,40 +3,8 @@ package proto
 import (
 	"bytes"
 	"testing"
-
-	"go.unistack.org/micro/v4/codec"
 )

-func TestFrame(t *testing.T) {
-	s := &codec.Frame{Data: []byte("test")}
-
-	buf, err := NewCodec().Marshal(s)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if !bytes.Equal(buf, []byte(`test`)) {
-		t.Fatalf("bytes not equal %s != %s", buf, `test`)
-	}
-}
-
-func TestFrameFlatten(t *testing.T) {
-	s := &struct {
-		One  string
-		Name *codec.Frame `json:"name" codec:"flatten"`
-	}{
-		One:  "xx",
-		Name: &codec.Frame{Data: []byte("test")},
-	}
-
-	buf, err := NewCodec().Marshal(s)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if !bytes.Equal(buf, []byte(`test`)) {
-		t.Fatalf("bytes not equal %s != %s", buf, `test`)
-	}
-}
-
 func TestReadBody(t *testing.T) {
 	t.Skip("no proto generated")
 	s := &struct {
--- a/proto/proto.go
+++ b/proto/proto.go
@ -1,88 +1,60 @@
 // Package proto provides a proto codec
-package proto // import "go.unistack.org/micro-codec-segmentio/v4/proto"
+package proto

 import (
 	"io"

 	"github.com/segmentio/encoding/proto"
-	pb "go.unistack.org/micro-proto/v4/codec"
-	"go.unistack.org/micro/v4/codec"
-	rutil "go.unistack.org/micro/v4/util/reflect"
+	"github.com/unistack-org/micro/v3/codec"
+	rutil "github.com/unistack-org/micro/v3/util/reflect"
 	newproto "google.golang.org/protobuf/proto"
 )

-type protoCodec struct {
-	opts codec.Options
-}
-
-var _ codec.Codec = &protoCodec{}
+type protoCodec struct{}

 const (
 	flattenTag = "flatten"
 )

-func (c *protoCodec) Marshal(v interface{}, opts ...codec.Option) ([]byte, error) {
-	if v == nil {
-		return nil, nil
-	}
-
-	options := c.opts
-	for _, o := range opts {
-		o(&options)
-	}
-
-	if nv, nerr := rutil.StructFieldByTag(v, options.TagName, flattenTag); nerr == nil {
-		v = nv
-	}
-
+func (c *protoCodec) Marshal(v interface{}) ([]byte, error) {
 	switch m := v.(type) {
+	case nil:
+		return nil, nil
 	case *codec.Frame:
 		return m.Data, nil
-	case *pb.Frame:
-		return m.Data, nil
-	}
-
-	switch m := v.(type) {
-	case proto.Message:
-		return proto.Marshal(m)
-	case newproto.Message:
+	case newproto.Message, proto.Message:
+		if nv, nerr := rutil.StructFieldByTag(v, codec.DefaultTagName, flattenTag); nerr == nil {
+			if nm, ok := nv.(newproto.Message); ok {
+				m = nm
+			} else if nm, ok := nv.(proto.Message); ok {
+				m = nm
+			}
+		}
 		return proto.Marshal(m)
 	}
-
 	return nil, codec.ErrInvalidMessage
 }

-func (c *protoCodec) Unmarshal(d []byte, v interface{}, opts ...codec.Option) error {
-	if v == nil || len(d) == 0 {
+func (c *protoCodec) Unmarshal(d []byte, v interface{}) error {
+	if d == nil {
 		return nil
 	}
-
-	options := c.opts
-	for _, o := range opts {
-		o(&options)
-	}
-
-	if nv, nerr := rutil.StructFieldByTag(v, options.TagName, flattenTag); nerr == nil {
-		v = nv
-	}
-
 	switch m := v.(type) {
+	case nil:
+		return nil
 	case *codec.Frame:
 		m.Data = d
 		return nil
-	case *pb.Frame:
-		m.Data = d
-		return nil
-	}
-
-	switch m := v.(type) {
-	case proto.Message:
+	case newproto.Message, proto.Message:
+		if nv, nerr := rutil.StructFieldByTag(v, codec.DefaultTagName, flattenTag); nerr == nil {
+			if nm, ok := nv.(newproto.Message); ok {
+				m = nm
+			} else if nm, ok := nv.(proto.Message); ok {
+				m = nm
+			}
+		}
 		return proto.Unmarshal(d, m)
-	case newproto.Message:
-		return proto.Unmarshal(d, m)
-
 	}
-
 	return codec.ErrInvalidMessage
 }

@ -123,6 +95,6 @@ func (c *protoCodec) String() string {
 	return "proto"
 }

-func NewCodec(opts ...codec.Option) *protoCodec {
-	return &protoCodec{opts: codec.NewOptions(opts...)}
+func NewCodec() codec.Codec {
+	return &protoCodec{}
 }