Merge remote-tracking branch 'origin/master' into stable

2026-09-01 16:01:55 +03:00 · 2020-09-21 12:03:19 +03:00 · 2020-08-11 13:32:01 +03:00 · 2020-03-31 10:09:47 +03:00 · 2020-03-25 10:24:31 +03:00 · 2020-03-20 14:39:45 +03:00
48 changed files with 520 additions and 769 deletions
@@ -1,9 +1,3 @@
+version.go
 vendor/
 tags
-.github/
-.bin/
-*.md
-mtg
-.golangci.toml
-.gitignore
-run.sh
@@ -1,134 +0,0 @@
---
-
-name: CI
-
-on:
-  push:
-    tags:
-      - v*
-    branches:
-      - master
-      - stable
-      - v1
-  release:
-    types:
-      - published
-      - released
-  pull_request:
-    types:
-      - opened
-      - edited
-      - reopened
-      - synchronize
-      - ready_for_review
-
-jobs:
-  test:
-    name: Test
-    runs-on: ubuntu-latest
-    timeout-minutes: 5
-    strategy:
-      matrix:
-        go_version:
-          - ~1.14
-          - ~1.15
-          - ~1.16
-          - ^1.17
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-        with:
-          submodules: recursive
-
-      - name: Setup Go
-        uses: actions/setup-go@v2
-        with:
-          go-version: ${{ matrix.go_version }}
-
-      - name: Cache dependencies
-        uses: actions/cache@v2
-        with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: ${{ runner.os }}-go-
-
-      - name: Run tests
-        run: go test -coverprofile=./coverage.txt -covermode=atomic -v ./...
-
-      - name: Collect coverage
-        uses: codecov/codecov-action@v1
-        with:
-          file: ./coverage.txt
-
-  lint:
-    name: Lint
-    runs-on: ubuntu-latest
-    timeout-minutes: 5
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-        with:
-          submodules: recursive
-
-      - name: Run linter
-        uses: golangci/golangci-lint-action@v2
-        with:
-          version: v1.42.0
-
-  docker:
-    name: Docker
-    runs-on: ubuntu-latest
-    timeout-minutes: 15
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-        with:
-          submodules: recursive
-
-      - name: Get Docker meta
-        id: docker_meta
-        uses: crazy-max/ghaction-docker-meta@v1
-        with:
-          images: nineseconds/mtg,ghcr.io/9seconds/mtg
-          tag-semver: "{{version}},{{major}},{{major}}.{{minor}}"
-
-      - name: Setup QEMU
-        uses: docker/setup-qemu-action@v1
-
-      - name: Setup BuildX
-        uses: docker/setup-buildx-action@v1
-
-      - name: Setup cache
-        uses: actions/cache@v2
-        with:
-          path: /tmp/buildx-cache
-          key: ${{ runner.os }}-buildx-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-buildx-
-
-      - name: Login to DockerHub
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v1
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_PASSWORD }}
-
-      - name: Login to GHCR.io
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v1
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GH_PAT }}
-
-      - name: Build and push
-        uses: docker/build-push-action@v2
-        with:
-          pull: true
-          context: .
-          platforms: linux/amd64,linux/arm64,linux/386,linux/arm/v7,linux/arm/v6
-          push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ steps.docker_meta.outputs.tags }}
-          labels: ${{ steps.docker_meta.outputs.labels }}
-          cache-from: type=local,src=/tmp/buildx-cache
-          cache-to: type=local,dest=/tmp/buildx-cache
@@ -1,69 +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:
-  push:
-    branches: 
-      - master
-      - stable
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ master ]
-  schedule:
-    - cron: '24 20 * * 5'
-
-jobs:
-  analyze:
-    name: Analyze
-    runs-on: ubuntu-latest
-
-    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 repository
-      uses: actions/checkout@v2
-
-    # Initializes the CodeQL tools for scanning.
-    - name: Initialize CodeQL
-      uses: github/codeql-action/init@v1
-      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@v1
-
-    # 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: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v1
@@ -7,5 +7,6 @@
 *.out
 mtg
 vendor/
+version.go
 ccbuilds/
 .bin/
@@ -10,4 +10,4 @@ format = "colored-line-number"

 [linters]
 enable-all = true
-disable = ["gochecknoglobals", "gas", "gomnd", "goerr113", "exhaustivestruct"]
+disable = ["gochecknoglobals", "gas", "gomnd", "goerr113"]
@@ -0,0 +1,21 @@
+---
+
+language: go
+sudo: false
+dist: trusty
+
+go:
+  - 1.15.x
+  - 1.14.x
+  - 1.13.x
+  - master
+
+before_script: make prepare
+
+script:
+  - make all
+  - make lint
+
+matrix:
+  allow_failures:
+    - go: master
@@ -1,7 +1,7 @@
 ###############################################################################
 # BUILD STAGE

-FROM golang:1.17-alpine AS build
+FROM golang:1.15-alpine AS build

 RUN set -x \
  && apk --no-cache --update add \
@@ -9,13 +9,15 @@ RUN set -x \
    ca-certificates \
    curl \
    git \
-    make
+    make \
+    upx

-COPY . /app
-WORKDIR /app
+COPY . /go/src/github.com/9seconds/mtg/
+WORKDIR /go/src/github.com/9seconds/mtg

 RUN set -x \
-  && make -j 4 static
+  && make -j 4 static \
+  && upx --ultra-brute -qq ./mtg


 ###############################################################################
@@ -29,4 +31,4 @@ ENV MTG_BIND=0.0.0.0:3128 \
 EXPOSE 3128 3129

 COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
-COPY --from=build /app/mtg /mtg
+COPY --from=build /go/src/github.com/9seconds/mtg/mtg /mtg
@@ -4,89 +4,72 @@ APP_NAME     := $(IMAGE_NAME)

 CC_BINARIES  := $(shell bash -c "echo -n $(APP_NAME)-{linux,freebsd,openbsd}-{386,amd64} $(APP_NAME)-linux-{arm,arm64}")

-GOLANGCI_LINT_VERSION := v1.42.0
+GOLANGCI_LINT_VERSION := v1.31.0

 VERSION_GO         := $(shell go version)
 VERSION_DATE       := $(shell date -Ru)
 VERSION_TAG        := $(shell git describe --tags --always)
-COMMON_BUILD_FLAGS := -mod=readonly -ldflags="-s -w -X 'main.version=$(VERSION_TAG) ($(VERSION_GO)) [$(VERSION_DATE)]'"
+COMMON_BUILD_FLAGS := -ldflags="-s -w -X 'main.version=$(VERSION_TAG) ($(VERSION_GO)) [$(VERSION_DATE)]'"

-GOBIN  := $(ROOT_DIR)/.bin
-GOTOOL := env "GOBIN=$(GOBIN)" "PATH=$(ROOT_DIR)/.bin:$(PATH)"
+MOD_ON  := env GO111MODULE=on
+MOD_OFF := env GO111MODULE=auto

 # -----------------------------------------------------------------------------

-.PHONY: all
-all: build
+$(APP_NAME):
+	@$(MOD_ON) go build $(COMMON_BUILD_FLAGS) -o "$(APP_NAME)"

-.PHONY: build
-build:
-	@go build $(COMMON_BUILD_FLAGS) -o "$(APP_NAME)"
-
-$(APP_NAME): build
-
-.PHONY: static
-static:
-	@env CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo $(COMMON_BUILD_FLAGS) -o "$(APP_NAME)"
+static-$(APP_NAME):
+	@$(MOD_ON) env CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo $(COMMON_BUILD_FLAGS) -o "$(APP_NAME)"

 $(APP_NAME)-%: GOOS=$(shell echo -n "$@" | sed 's?$(APP_NAME)-??' | cut -f1 -d-)
 $(APP_NAME)-%: GOARCH=$(shell echo -n "$@" | sed 's?$(APP_NAME)-??' | cut -f2 -d-)
 $(APP_NAME)-%: ccbuilds
-	@env "GOOS=$(GOOS)" "GOARCH=$(GOARCH)" \
+	@$(MOD_ON) env "GOOS=$(GOOS)" "GOARCH=$(GOARCH)" \
 		go build \
 		$(COMMON_BUILD_FLAGS) \
 		-o "./ccbuilds/$(APP_NAME)-$(GOOS)-$(GOARCH)"

-.PHONY: ccbuilds
 ccbuilds:
 	@rm -rf ./ccbuilds && mkdir -p ./ccbuilds

 vendor: go.mod go.sum
 	@$(MOD_ON) go mod vendor

-.PHONY: test
-test:
-	@go test -v ./...
+# -----------------------------------------------------------------------------

-.PHONY: citest
-citest:
-	@go test -coverprofile=coverage.txt -covermode=atomic -race -v ./...
+.PHONY: all
+all: $(APP_NAME)
+
+.PHONY: static
+static: static-$(APP_NAME)

 .PHONY: crosscompile
 crosscompile: $(CC_BINARIES)

+.PHONY: crosscompile-dir
+crosscompile-dir:
+	@rm -rf "$(CC_DIR)" && mkdir -p "$(CC_DIR)"
+
+.PHONY: lint
+lint: vendor
+	@$(MOD_OFF) "$(ROOT_DIR)/.bin/golangci-lint" run
+
 .PHONY: clean
 clean:
 	@git clean -xfd && \
 		git reset --hard >/dev/null && \
 		git submodule foreach --recursive sh -c 'git clean -xfd && git reset --hard' >/dev/null

-.PHONY: lint
-lint:
-	@$(GOTOOL) golangci-lint run
-
 .PHONY: docker
 docker:
 	@docker build --pull -t "$(IMAGE_NAME)" "$(ROOT_DIR)"

-.PHONY: doc
-doc:
-	@$(GOTOOL) godoc -http 0.0.0.0:10000
+.PHONY: prepare
+prepare: install-lint

-.PHONY: install-tools
-install-tools: install-tools-lint install-tools-godoc
-
-.PHONY: install-tools-lint
-install-tools-lint:
-	@mkdir -p "$(GOBIN)" || true && \
+.PHONY: install-lint
+install-lint:
+	@mkdir -p ./bin || true && \
 		curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh \
-		| bash -s -- -b "$(GOBIN)" "$(GOLANGCI_LINT_VERSION)"
-
-.PHONY: install-tools-godoc
-install-tools-godoc:
-	@mkdir -p "$(GOBIN)" || true && \
-		$(GOTOOL) go get -u golang.org/x/tools/cmd/godoc
-
-.PHONY: update-deps
-upgrade-deps:
-	$go get -u && go mod tidy
+		| $(MOD_OFF) bash -s -- -b "$(ROOT_DIR)/.bin" $(GOLANGCI_LINT_VERSION)
@@ -189,7 +189,8 @@ supported environment variables:
 | `MTG_IPV6`                    | `-6`, `--public-ipv6`        | [Autodetect](https://ifconfig.co) | IPv6 address:port of this proxy. This is required if you NAT your proxy or run it in a docker container. In that case, you absolutely need to specify public IPv6 address of the proxy, otherwise either URLs will be broken or proxy could not access Telegram middle proxies. |
 | `MTG_STATS_BIND`              | `-t`, `--stats-bind`         | `127.0.0.1:3129`                  | Which hist:port should we bind the internal statistics HTTP server (Prometheus).                                                                                                                                                                                                |
 | `MTG_STATS_NAMESPACE`         | `--stats-namespace`          | `mtg`                             | Which namespace should be used for prometheus metrics.                                                                                                                                                                                                                          |
-| `MTG_STATSD_ADDR`             | `--statsd-addr`              |                                   | host:port of statsd service. No defaults, by default we do not send anything there.                                                                                                                                                                                             |
+| `MTG_STATSD_ADDR`             | `--statsd-addr`              |                                   | IP:host addresses of statsd service. No defaults, by defaults we do not send anything there.                                                                                                                                                                                    |
+| `MTG_STATSD_PORT`             | `--statsd-port`              | `8125`                            | Which port should we use to work with statsd.                                                                                                                                                                                                                                   |
 | `MTG_STATSD_PREFIX`           | `--statsd-prefix`            | `mtg`                             | Which bucket prefix we should use. For example, if you set `mtg`, then metric `traffic.ingress` would be send as `mtg.traffic.ingress`.                                                                                                                                         |
 | `MTG_STATSD_TAGS_FORMAT`      | `--statsd-tags-format`       |                                   | Which tags format we should use. By default, we are using default vanilla statsd tags format but if you want to send directly to InfluxDB or Datadog, please specify it there. Possible options are `influxdb` and `datadog`.                                                   |
 | `MTG_STATSD_TAGS`             | `--statsd-tags`              |                                   | Which tags should we send to statsd with our metrics. Please specify them as `key=value` pairs.                                                                                                                                                                                 |
@@ -1,24 +0,0 @@
-# Security Policy
-
-## Supported Versions
-
-We support 2 tracks: 2.x and 1.x
-
-| Version | Supported          |
-| ------- | ------------------ |
-| 2.x     | :white_check_mark: |
-| 1.x     | :interrobang:      |
-| < 1.0   | :x:                |
-
-1.x has adtag support. We do not plan any active development there but we guarantee:
-
-1. Regular dependency updates
-2. Updates for Golang versions
-3. Security vulnerability fixes
-4. Merging small PRs
-
-2.x is in active development and have a full support.
-
-## Reporting a Vulnerability
-
-If you have found a vulnerability, please report about it to nineseconds@yandex.ru, telegram @9seconds or here in issues
@@ -19,7 +19,7 @@ import (
 	"go.uber.org/zap/zapcore"
 )

-func Proxy() error { // nolint: funlen,cyclop
+func Proxy() error { // nolint: funlen
 	ctx := utils.GetSignalContext()

 	atom := zap.NewAtomicLevel()
@@ -9,7 +9,7 @@ import (

 func Fatal(arg interface{}) {
 	if value, ok := arg.(error); ok {
-		arg = fmt.Errorf("fatal error: %+v", value) // nolint: errorlint
+		arg = fmt.Errorf("fatal error: %+v", value)
 	}

 	PrintStderr(arg)
@@ -21,7 +21,7 @@ func PrintStderr(args ...interface{}) {
 }

 func PrintStdout(args ...interface{}) {
-	fmt.Println(args...) // nolint: forbidigo
+	fmt.Println(args...)
 }

 func PrintJSONStderr(data interface{}) {
@@ -79,29 +79,29 @@ const (

 type Config struct {
 	Bind             *net.TCPAddr      `json:"bind"`
-	PublicIPv4       *net.TCPAddr      `json:"public_ipv4"`        // nolint: tagliatelle
-	PublicIPv6       *net.TCPAddr      `json:"public_ipv6"`        // nolint: tagliatelle
-	StatsBind        *net.TCPAddr      `json:"stats_bind"`         // nolint: tagliatelle
-	StatsdAddr       *net.TCPAddr      `json:"stats_addr"`         // nolint: tagliatelle
-	StatsdTagsFormat *statsd.TagFormat `json:"statsd_tags_format"` // nolint: tagliatelle
+	PublicIPv4       *net.TCPAddr      `json:"public_ipv4"`
+	PublicIPv6       *net.TCPAddr      `json:"public_ipv6"`
+	StatsBind        *net.TCPAddr      `json:"stats_bind"`
+	StatsdAddr       *net.TCPAddr      `json:"stats_addr"`
+	StatsdTagsFormat *statsd.TagFormat `json:"statsd_tags_format"`

-	StatsNamespace string            `json:"stats_namespace"` // nolint: tagliatelle
-	CloakHost      string            `json:"cloak_host"`      // nolint: tagliatelle
-	StatsdTags     map[string]string `json:"statsd_tags"`     // nolint: tagliatelle
+	StatsNamespace string            `json:"stats_namespace"`
+	CloakHost      string            `json:"cloak_host"`
+	StatsdTags     map[string]string `json:"statsd_tags"`

-	WriteBuffer int `json:"write_buffer"` // nolint: tagliatelle
-	ReadBuffer  int `json:"read_buffer"`  // nolint: tagliatelle
-	CloakPort   int `json:"cloak_port"`   // nolint: tagliatelle
+	WriteBuffer int `json:"write_buffer"`
+	ReadBuffer  int `json:"read_buffer"`
+	CloakPort   int `json:"cloak_port"`

-	AntiReplayMaxSize int `json:"anti_replay_max_size"` // nolint: tagliatelle
+	AntiReplayMaxSize int `json:"anti_replay_max_size"`

-	MultiplexPerConnection int `json:"multiplex_per_connection"` // nolint: tagliatelle
+	MultiplexPerConnection int `json:"multiplex_per_connection"`

 	Debug      bool       `json:"debug"`
 	Verbose    bool       `json:"verbose"`
-	SecretMode SecretMode `json:"secret_mode"` // nolint: tagliatelle
-	PreferIP   PreferIP   `json:"prefer_ip"`   // nolint: tagliatelle
-	NTPServers []string   `json:"ntp_servers"` // nolint: tagliatelle
+	SecretMode SecretMode `json:"secret_mode"`
+	PreferIP   PreferIP   `json:"prefer_ip"`
+	NTPServers []string   `json:"ntp_servers"`

 	Secret []byte `json:"secret"`
 	AdTag  []byte `json:"adtag"`
@@ -160,15 +160,15 @@ type Opt struct {

 var C = Config{}

-func Init(options ...Opt) error { // nolint: gocyclo, funlen, cyclop
+func Init(options ...Opt) error { // nolint: gocyclo, funlen
 	for _, opt := range options {
 		switch opt.Option {
 		case OptionTypeDebug:
-			C.Debug = opt.Value.(bool) // nolint: forcetypeassert
+			C.Debug = opt.Value.(bool)
 		case OptionTypeVerbose:
-			C.Verbose = opt.Value.(bool) // nolint: forcetypeassert
+			C.Verbose = opt.Value.(bool)
 		case OptionTypePreferIP:
-			value := opt.Value.(string) // nolint: forcetypeassert
+			value := opt.Value.(string)
 			switch value {
 			case "ipv4":
 				C.PreferIP = PreferIPv4
@@ -178,25 +178,25 @@ func Init(options ...Opt) error { // nolint: gocyclo, funlen, cyclop
 				return fmt.Errorf("incorrect direct IP mode %s", value)
 			}
 		case OptionTypeBind:
-			C.Bind = opt.Value.(*net.TCPAddr) // nolint: forcetypeassert
+			C.Bind = opt.Value.(*net.TCPAddr)
 		case OptionTypePublicIPv4:
-			C.PublicIPv4 = opt.Value.(*net.TCPAddr) // nolint: forcetypeassert
+			C.PublicIPv4 = opt.Value.(*net.TCPAddr)
 			if C.PublicIPv4 == nil {
 				C.PublicIPv4 = &net.TCPAddr{}
 			}
 		case OptionTypePublicIPv6:
-			C.PublicIPv6 = opt.Value.(*net.TCPAddr) // nolint: forcetypeassert
+			C.PublicIPv6 = opt.Value.(*net.TCPAddr)
 			if C.PublicIPv6 == nil {
 				C.PublicIPv6 = &net.TCPAddr{}
 			}
 		case OptionTypeStatsBind:
-			C.StatsBind = opt.Value.(*net.TCPAddr) // nolint: forcetypeassert
+			C.StatsBind = opt.Value.(*net.TCPAddr)
 		case OptionTypeStatsNamespace:
-			C.StatsNamespace = opt.Value.(string) // nolint: forcetypeassert
+			C.StatsNamespace = opt.Value.(string)
 		case OptionTypeStatsdAddress:
-			C.StatsdAddr = opt.Value.(*net.TCPAddr) // nolint: forcetypeassert
+			C.StatsdAddr = opt.Value.(*net.TCPAddr)
 		case OptionTypeStatsdTagsFormat:
-			value := opt.Value.(string) // nolint: forcetypeassert
+			value := opt.Value.(string)
 			switch value {
 			case "datadog":
 				C.StatsdTagsFormat = statsd.TagFormatDatadog
@@ -206,7 +206,7 @@ func Init(options ...Opt) error { // nolint: gocyclo, funlen, cyclop
 				return fmt.Errorf("incorrect statsd tag %s", value)
 			}
 		case OptionTypeStatsdTags:
-			C.StatsdTags = opt.Value.(map[string]string) // nolint: forcetypeassert
+			C.StatsdTags = opt.Value.(map[string]string)
 		case OptionTypeWriteBufferSize:
 			C.WriteBuffer = int(opt.Value.(units.Base2Bytes))
 		case OptionTypeReadBufferSize:
@@ -218,14 +218,14 @@ func Init(options ...Opt) error { // nolint: gocyclo, funlen, cyclop
 		case OptionTypeMultiplexPerConnection:
 			C.MultiplexPerConnection = int(opt.Value.(uint))
 		case OptionTypeNTPServers:
-			C.NTPServers = opt.Value.([]string) // nolint: forcetypeassert
+			C.NTPServers = opt.Value.([]string)
 			if len(C.NTPServers) == 0 {
 				return errors.New("ntp server list is empty")
 			}
 		case OptionTypeSecret:
-			C.Secret = opt.Value.([]byte) // nolint: forcetypeassert
+			C.Secret = opt.Value.([]byte)
 		case OptionTypeAdtag:
-			C.AdTag = opt.Value.([]byte) // nolint: forcetypeassert
+			C.AdTag = opt.Value.([]byte)
 		default:
 			return fmt.Errorf("unknown tag %v", opt.Option)
 		}
@@ -41,7 +41,7 @@ func fetchIP(ctx context.Context, network string) (net.IP, error) {
 		Timeout: ifconfigTimeout,
 		Transport: &http.Transport{
 			DialContext: func(ctx context.Context, _, addr string) (net.Conn, error) {
-				return dialer.DialContext(ctx, network, addr) // nolint: wrapcheck
+				return dialer.DialContext(ctx, network, addr)
 			},
 		},
 	}
@@ -8,16 +8,16 @@ import (
 )

 type URLs struct {
-	TG        string `json:"tg_url"`     // nolint: tagliatelle
-	TMe       string `json:"tme_url"`    // nolint: tagliatelle
-	TGQRCode  string `json:"tg_qrcode"`  // nolint: tagliatelle
-	TMeQRCode string `json:"tme_qrcode"` // nolint: tagliatelle
+	TG        string `json:"tg_url"`
+	TMe       string `json:"tme_url"`
+	TGQRCode  string `json:"tg_qrcode"`
+	TMeQRCode string `json:"tme_qrcode"`
 }

 type IPURLs struct {
-	IPv4      *URLs  `json:"ipv4,omitempty"`
-	IPv6      *URLs  `json:"ipv6,omitempty"`
-	BotSecret string `json:"secret_for_mtproxybot"` // nolint: tagliatelle
+	IPv4      URLs   `json:"ipv4"`
+	IPv6      URLs   `json:"ipv6"`
+	BotSecret string `json:"secret_for_mtproxybot"`
 }

 func GetURLs() (urls IPURLs) {
@@ -32,33 +32,25 @@ func GetURLs() (urls IPURLs) {
 		secret = "ee" + hex.EncodeToString(C.Secret) + hex.EncodeToString([]byte(C.CloakHost))
 	}

-	if C.PublicIPv4.IP != nil {
 	urls.IPv4 = makeURLs(C.PublicIPv4, secret)
-	}
-
-	if C.PublicIPv6.IP != nil {
 	urls.IPv6 = makeURLs(C.PublicIPv6, secret)
-	}
-
 	urls.BotSecret = hex.EncodeToString(C.Secret)

 	return urls
 }

-func makeURLs(addr *net.TCPAddr, secret string) *URLs {
-	urls := &URLs{}
-
+func makeURLs(addr *net.TCPAddr, secret string) (urls URLs) {
 	values := url.Values{}
 	values.Set("server", addr.IP.String())
 	values.Set("port", strconv.Itoa(addr.Port))
 	values.Set("secret", secret)

-	return &URLs{
-		TG:        makeTGURL(values),
-		TMe:       makeTMeURL(values),
-		TGQRCode:  makeQRCodeURL(urls.TG),
-		TMeQRCode: makeQRCodeURL(urls.TMe),
-	}
+	urls.TG = makeTGURL(values)
+	urls.TMe = makeTMeURL(values)
+	urls.TGQRCode = makeQRCodeURL(urls.TG)
+	urls.TMeQRCode = makeQRCodeURL(urls.TG)
+
+	return
 }

 func makeTGURL(values url.Values) string {
@@ -52,10 +52,10 @@ func (c *ClientProtocol) Handshake(socket conntypes.StreamReadWriteCloser) (conn

 	conn, err := c.ClientProtocol.Handshake(conn)
 	if err != nil {
-		return nil, err // nolint: wrapcheck
+		return nil, err
 	}

-	return conn, err // nolint: wrapcheck
+	return conn, err
 }

 func (c *ClientProtocol) tlsHandshake(conn io.ReadWriter) error {
@@ -1,32 +1,22 @@
 module github.com/9seconds/mtg

-go 1.17
+go 1.13

 require (
-	github.com/VictoriaMetrics/fastcache v1.6.0
-	github.com/alecthomas/units v0.0.0-20210208195552-ff826a37aa15
+	github.com/VictoriaMetrics/fastcache v1.5.7
+	github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d
 	github.com/beevik/ntp v0.3.0
-	github.com/golang/snappy v0.0.4 // indirect
-	github.com/prometheus/client_golang v1.11.0
-	github.com/prometheus/common v0.30.0 // indirect
-	github.com/prometheus/procfs v0.7.3 // indirect
-	github.com/smira/go-statsd v1.3.2
-	go.uber.org/multierr v1.7.0 // indirect
-	go.uber.org/zap v1.19.0
-	golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83
-	golang.org/x/net v0.0.0-20210525063256-abc453219eb5 // indirect
-	golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40
-	golang.org/x/tools v0.1.0 // indirect
-	google.golang.org/protobuf v1.27.1 // indirect
+	github.com/prometheus/client_golang v1.7.1
+	github.com/prometheus/common v0.13.0 // indirect
+	github.com/smira/go-statsd v1.3.1
+	go.uber.org/multierr v1.6.0 // indirect
+	go.uber.org/zap v1.16.0
+	golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a
+	golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect
+	golang.org/x/net v0.0.0-20200904194848-62affa334b73 // indirect
+	golang.org/x/sys v0.0.0-20200918174421-af09f7315aff
+	golang.org/x/tools v0.0.0-20200319210407-521f4a0cd458 // indirect
+	google.golang.org/protobuf v1.25.0 // indirect
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
-)
-
-require (
-	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
-	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/prometheus/client_model v0.2.0 // indirect
-	go.uber.org/atomic v1.9.0 // indirect
+	honnef.co/go/tools v0.0.1-2020.1.3 // indirect
 )
@@ -1,512 +1,487 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
-cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
-cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
-cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
-cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
-cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
-cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
-cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
-cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
-cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
-cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
-cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
-cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
-cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/VictoriaMetrics/fastcache v1.6.0 h1:C/3Oi3EiBCqufydp1neRZkqcwmEiuRT9c3fqvvgKm5o=
-github.com/VictoriaMetrics/fastcache v1.6.0/go.mod h1:0qHz5QP0GMX4pfmMA/zt5RgfNuXJrTP0zS7DqpHGGTw=
+github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
+github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
+github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
+github.com/VictoriaMetrics/fastcache v1.5.7 h1:4y6y0G8PRzszQUYIQHHssv/jgPHAb5qQuuDNdCbyAgw=
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+github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
+github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc h1:cAKDfWh5VpdgMhJosfJnn5/FoN2SRZ4p7fJNX58YPaU=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafoB+tBA3gMyHYHrpOtNuDiK/uB5uXxq5wM=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
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 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
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 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
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-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
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+github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
+github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
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+github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
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+google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
+google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
-google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
-google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
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 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
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 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6 h1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQfozc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
+gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
+gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
+gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
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 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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-honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.0.1-2020.1.3 h1:sXmLre5bzIR6ypkjXCDI3jHPssRhc8KD/Ome589sc3U=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
-rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
+sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
+sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
@@ -30,7 +30,7 @@ type connection struct {
 	channelConnDetach chan conntypes.ConnID
 }

-func (c *connection) run() { // nolint: cyclop
+func (c *connection) run() {
 	defer c.Close()

 	ttl := time.NewTimer(connectionTTL)
@@ -18,7 +18,7 @@ func (h *hub) Register(req *protocol.TelegramRequest) (*ProxyConn, error) {
 }

 func (h *hub) getMux(req *protocol.TelegramRequest) *mux {
-	key := 32767 + int32(req.ClientProtocol.DC()) + 100000*int32(req.ClientProtocol.ConnectionProtocol())
+	var key int32 = 32767 + int32(req.ClientProtocol.DC()) + 100000*int32(req.ClientProtocol.ConnectionProtocol())

 	h.mutex.RLock()
 	m, ok := h.muxes[key]
@@ -51,7 +51,7 @@ func doRPCNonceRequest(conn conntypes.BasePacketWriter) (*rpc.NonceRequest, erro
 	}

 	if err := conn.Write(rpcNonceReq.Bytes()); err != nil {
-		return nil, err // nolint: wrapcheck
+		return nil, err
 	}

 	return rpcNonceReq, nil
@@ -45,14 +45,14 @@ func (c *ClientProtocol) Handshake(socket conntypes.StreamReadWriteCloser) (conn
 	}

 	decHasher := sha256.New()
-	decHasher.Write(fm.Key())
-	decHasher.Write(config.C.Secret)
+	decHasher.Write(fm.Key())        // nolint: errcheck
+	decHasher.Write(config.C.Secret) // nolint: errcheck
 	decryptor := utils.MakeStreamCipher(decHasher.Sum(nil), fm.IV())

 	invertedFrame := fm.Invert()
 	encHasher := sha256.New()
-	encHasher.Write(invertedFrame.Key())
-	encHasher.Write(config.C.Secret)
+	encHasher.Write(invertedFrame.Key()) // nolint: errcheck
+	encHasher.Write(config.C.Secret)     // nolint: errcheck
 	encryptor := utils.MakeStreamCipher(encHasher.Sum(nil), invertedFrame.IV())

 	decryptedFrame := Frame{}
@@ -106,7 +106,7 @@ type handshakeReader struct {
 }

 func (h handshakeReader) Read(p []byte) (int, error) {
-	return h.parent.ReadTimeout(p, clientProtocolHandshakeTimeout) // nolint: wrapcheck
+	return h.parent.ReadTimeout(p, clientProtocolHandshakeTimeout)
 }

 func MakeClientProtocol() protocol.ClientProtocol {
@@ -4,6 +4,7 @@ import (
 	"io"
 	"sync"

+	"github.com/9seconds/mtg/conntypes"
 	"github.com/9seconds/mtg/obfuscated2"
 	"github.com/9seconds/mtg/protocol"
 	"go.uber.org/zap"
@@ -14,17 +15,19 @@ const directPipeBufferSize = 1024
 func directConnection(request *protocol.TelegramRequest) error {
 	telegramConnRaw, err := obfuscated2.TelegramProtocol(request)
 	if err != nil {
-		return err // nolint: wrapcheck
+		return err
 	}

-	defer telegramConnRaw.Close()
+	telegramConn := telegramConnRaw.(conntypes.StreamReadWriteCloser)
+
+	defer telegramConn.Close()

 	wg := &sync.WaitGroup{}
 	wg.Add(2)

-	go directPipe(telegramConnRaw, request.ClientConn, wg, request.Logger)
+	go directPipe(telegramConn, request.ClientConn, wg, request.Logger)

-	go directPipe(request.ClientConn, telegramConnRaw, wg, request.Logger)
+	go directPipe(request.ClientConn, telegramConn, wg, request.Logger)

 	wg.Wait()

@@ -168,18 +168,17 @@ func (s *statsStatsd) prepareVals(metric string, tags []*statsStatsdTag) (string

 func (s *statsStatsd) initGauge(metric, key string, tags []statsd.Tag) {
 	s.seenMutex.RLock()
-	if _, ok := s.seen[key]; ok {
+	_, ok := s.seen[key]
 	s.seenMutex.RUnlock()

+	if ok {
 		return
-	} else { // nolint: golint,revive
-		s.seenMutex.RUnlock()
 	}

 	s.seenMutex.Lock()
 	defer s.seenMutex.Unlock()

-	if _, ok := s.seen[key]; !ok {
+	if _, ok = s.seen[key]; !ok {
 		s.seen[key] = struct{}{}
 		s.client.Gauge(metric, 0, tags...)
 	}
@@ -40,5 +40,5 @@ func request(url string) (io.ReadCloser, error) {
 		return nil, fmt.Errorf("cannot perform a request: %w", err)
 	}

-	return resp.Body, err // nolint: wrapcheck
+	return resp.Body, err
 }
@@ -20,9 +20,9 @@ const (
 type CipherSuiteType uint8

 const (
-	CipherSuiteType_TLS_AES_128_GCM_SHA256       CipherSuiteType = iota // nolint: stylecheck,golint,revive
-	CipherSuiteType_TLS_AES_256_GCM_SHA384                              // nolint: stylecheck,golint,revive
-	CipherSuiteType_TLS_CHACHA20_POLY1305_SHA256                        // nolint: stylecheck,golint,revive
+	CipherSuiteType_TLS_AES_128_GCM_SHA256       CipherSuiteType = iota // nolint: stylecheck,golint
+	CipherSuiteType_TLS_AES_256_GCM_SHA384                              // nolint: stylecheck,golint
+	CipherSuiteType_TLS_CHACHA20_POLY1305_SHA256                        // nolint: stylecheck,golint
 )

 func (c CipherSuiteType) Bytes() []byte {
@@ -69,9 +69,9 @@ var (
 	Version12Bytes = []byte{0x03, 0x03}
 	Version13Bytes = []byte{0x03, 0x04}

-	CipherSuiteType_TLS_AES_128_GCM_SHA256_Bytes       = []byte{0x13, 0x01} // nolint: stylecheck,golint,revive
-	CipherSuiteType_TLS_AES_256_GCM_SHA384_Bytes       = []byte{0x13, 0x02} // nolint: stylecheck,golint,revive
-	CipherSuiteType_TLS_CHACHA20_POLY1305_SHA256_Bytes = []byte{0x13, 0x03} // nolint: stylecheck,golint,revive
+	CipherSuiteType_TLS_AES_128_GCM_SHA256_Bytes       = []byte{0x13, 0x01} // nolint: stylecheck,golint
+	CipherSuiteType_TLS_AES_256_GCM_SHA384_Bytes       = []byte{0x13, 0x02} // nolint: stylecheck,golint
+	CipherSuiteType_TLS_CHACHA20_POLY1305_SHA256_Bytes = []byte{0x13, 0x03} // nolint: stylecheck,golint
 )

 type Byter interface {
@@ -49,8 +49,8 @@ func (s ServerHello) WelcomePacket() []byte {
 	packet := buf.Bytes()

 	mac := hmac.New(sha256.New, config.C.Secret)
-	mac.Write(s.clientHello.Random[:])
-	mac.Write(packet)
+	mac.Write(s.clientHello.Random[:]) // nolint: errcheck
+	mac.Write(packet)                  // nolint: errcheck
 	copy(packet[11:], mac.Sum(nil))

 	return packet
@@ -6,7 +6,7 @@ import (
 )

 func InitTCP(conn net.Conn, readBufferSize int, writeBufferSize int) error {
-	tcpConn := conn.(*net.TCPConn) // nolint: forcetypeassert
+	tcpConn := conn.(*net.TCPConn)

 	if err := tcpConn.SetNoDelay(true); err != nil {
 		return fmt.Errorf("cannot set TCP_NO_DELAY: %w", err)
@@ -11,7 +11,7 @@ func ReadFull(src io.Reader) (rv []byte, err error) {
 	for n == len(buf) {
 		n, err = src.Read(buf)
 		if err != nil {
-			return nil, err // nolint: wrapcheck
+			return nil, err
 		}

 		rv = append(rv, buf[:n]...)
@@ -1,4 +1,3 @@
-//go:build !windows
 // +build !windows

 package utils
@@ -1,4 +1,3 @@
-//go:build windows
 // +build windows

 package utils
@@ -1,4 +1,3 @@
-//go:build !windows
 // +build !windows

 package utils
@@ -1,4 +1,3 @@
-//go:build windows
 // +build windows

 package utils
@@ -40,7 +40,7 @@ type wrapperMtprotoFrame struct {
 	writeSeqNo int32
 }

-func (w *wrapperMtprotoFrame) Read() (conntypes.Packet, error) { // nolint: funlen, cyclop
+func (w *wrapperMtprotoFrame) Read() (conntypes.Packet, error) { // nolint: funlen
 	buf := &bytes.Buffer{}

 	sum := crc32.NewIEEE()
@@ -132,11 +132,11 @@ func (w *wrapperMtprotoFrame) Write(p conntypes.Packet) error {

 	_, err := w.parent.Write(buf.Bytes())

-	return err // nolint: wrapcheck
+	return err
 }

 func (w *wrapperMtprotoFrame) Close() error {
-	return w.parent.Close() // nolint: wrapcheck
+	return w.parent.Close()
 }

 func (w *wrapperMtprotoFrame) Conn() net.Conn {
@@ -104,7 +104,7 @@ func (w *wrapperClientAbridged) Write(packet conntypes.Packet, acks *conntypes.C
 }

 func (w *wrapperClientAbridged) Close() error {
-	return w.parent.Close() // nolint: wrapcheck
+	return w.parent.Close()
 }

 func (w *wrapperClientAbridged) Conn() net.Conn {
@@ -63,7 +63,7 @@ func (w *wrapperClientIntermediate) Write(packet conntypes.Packet, acks *conntyp
 }

 func (w *wrapperClientIntermediate) Close() error {
-	return w.parent.Close() // nolint: wrapcheck
+	return w.parent.Close()
 }

 func (w *wrapperClientIntermediate) Conn() net.Conn {
@@ -46,7 +46,7 @@ func (w *wrapperProxy) Write(packet conntypes.Packet, acks *conntypes.Connection
 	buf.Grow(len(packet))
 	buf.Write(packet)

-	return w.proxy.Write(buf.Bytes()) // nolint: wrapcheck
+	return w.proxy.Write(buf.Bytes())
 }

 func (w *wrapperProxy) Read(acks *conntypes.ConnectionAcks) (conntypes.Packet, error) {
@@ -20,7 +20,7 @@ func (w *wrapperPing) Read(p []byte) (int, error) {
 		}
 	}

-	return n, err // nolint: wrapcheck
+	return n, err
 }

 func (w *wrapperPing) Write(p []byte) (int, error) {
@@ -32,11 +32,11 @@ func (w *wrapperPing) Write(p []byte) (int, error) {
 		}
 	}

-	return n, err // nolint: wrapcheck
+	return n, err
 }

 func (w *wrapperPing) Close() error {
-	return w.parent.Close() // nolint: wrapcheck
+	return w.parent.Close()
 }

 func NewPing(ctx context.Context, parent io.ReadWriteCloser, channelPing chan<- struct{}) io.ReadWriteCloser {
@@ -26,7 +26,7 @@ func (w *wrapperBlockCipher) Write(p []byte) (int, error) {
 		return 0, err
 	}

-	return w.parent.Write(encrypted) // nolint: wrapcheck
+	return w.parent.Write(encrypted)
 }

 func (w *wrapperBlockCipher) WriteTimeout(p []byte, timeout time.Duration) (int, error) {
@@ -35,7 +35,7 @@ func (w *wrapperBlockCipher) WriteTimeout(p []byte, timeout time.Duration) (int,
 		return 0, err
 	}

-	return w.parent.WriteTimeout(encrypted, timeout) // nolint: wrapcheck
+	return w.parent.WriteTimeout(encrypted, timeout)
 }

 func (w *wrapperBlockCipher) encrypt(p []byte) ([]byte, error) {
@@ -50,7 +50,7 @@ func (w *wrapperBlockCipher) encrypt(p []byte) ([]byte, error) {
 }

 func (w *wrapperBlockCipher) Close() error {
-	return w.parent.Close() // nolint: wrapcheck
+	return w.parent.Close()
 }

 func (w *wrapperBlockCipher) Conn() net.Conn {
@@ -33,7 +33,7 @@ func (b *bufferedReader) ReadTimeout(p []byte, _ time.Duration) (int, error) {

 func (b *bufferedReader) flush(p []byte) (int, error) {
 	if b.buf.Len() > len(p) {
-		return b.buf.Read(p) // nolint: wrapcheck
+		return b.buf.Read(p)
 	}

 	sizeToReturn := b.buf.Len()
@@ -43,7 +43,7 @@ func (w *wrapperConn) Write(p []byte) (int, error) {
 		w.Close()
 	}

-	return n, err // nolint: wrapcheck
+	return n, err
 }

 func (w *wrapperConn) ReadTimeout(p []byte, timeout time.Duration) (int, error) {
@@ -64,13 +64,13 @@ func (w *wrapperConn) Read(p []byte) (int, error) {
 		w.Close()
 	}

-	return n, err // nolint: wrapcheck
+	return n, err
 }

 func (w *wrapperConn) Close() error {
 	w.logger.Debugw("Close connection")

-	return w.parent.Close() // nolint: wrapcheck
+	return w.parent.Close()
 }

 func (w *wrapperConn) Conn() net.Conn {
@@ -23,7 +23,7 @@ func (w *wrapperCtx) WriteTimeout(p []byte, timeout time.Duration) (int, error)

 		return 0, fmt.Errorf("cannot write because context was closed: %w", w.ctx.Err())
 	default:
-		return w.parent.WriteTimeout(p, timeout) // nolint: wrapcheck
+		return w.parent.WriteTimeout(p, timeout)
 	}
 }

@@ -34,7 +34,7 @@ func (w *wrapperCtx) Write(p []byte) (int, error) {

 		return 0, fmt.Errorf("cannot write because context was closed: %w", w.ctx.Err())
 	default:
-		return w.parent.Write(p) // nolint: wrapcheck
+		return w.parent.Write(p)
 	}
 }

@@ -45,7 +45,7 @@ func (w *wrapperCtx) ReadTimeout(p []byte, timeout time.Duration) (int, error) {

 		return 0, fmt.Errorf("cannot write because context was closed: %w", w.ctx.Err())
 	default:
-		return w.parent.ReadTimeout(p, timeout) // nolint: wrapcheck
+		return w.parent.ReadTimeout(p, timeout)
 	}
 }

@@ -56,14 +56,14 @@ func (w *wrapperCtx) Read(p []byte) (int, error) {

 		return 0, fmt.Errorf("cannot write because context was closed: %w", w.ctx.Err())
 	default:
-		return w.parent.Read(p) // nolint: wrapcheck
+		return w.parent.Read(p)
 	}
 }

 func (w *wrapperCtx) Close() error {
 	w.cancel()

-	return w.parent.Close() // nolint: wrapcheck
+	return w.parent.Close()
 }

 func (w *wrapperCtx) Conn() net.Conn {
@@ -20,7 +20,7 @@ type wrapperFakeTLS struct {

 func (w *wrapperFakeTLS) Write(p []byte) (int, error) {
 	return w.write(p, func(b []byte) (int, error) {
-		return w.parent.Write(b) // nolint: wrapcheck
+		return w.parent.Write(b)
 	})
 }

@@ -30,7 +30,7 @@ func (w *wrapperFakeTLS) WriteTimeout(p []byte, timeout time.Duration) (int, err
 	return w.write(p, func(b []byte) (int, error) {
 		elapsed := time.Since(startTime)
 		if elapsed > timeout {
-			return w.parent.WriteTimeout(b, timeout-elapsed) // nolint: wrapcheck
+			return w.parent.WriteTimeout(b, timeout-elapsed)
 		}

 		return 0, errors.New("timeout")
@@ -73,7 +73,7 @@ func (w *wrapperFakeTLS) RemoteAddr() *net.TCPAddr {
 }

 func (w *wrapperFakeTLS) Close() error {
-	return w.parent.Close() // nolint: wrapcheck
+	return w.parent.Close()
 }

 func NewFakeTLS(socket conntypes.StreamReadWriteCloser) conntypes.StreamReadWriteCloser {
@@ -85,7 +85,7 @@ func NewFakeTLS(socket conntypes.StreamReadWriteCloser) conntypes.StreamReadWrit
 		for {
 			rec, err := tlstypes.ReadRecord(faketls.parent)
 			if err != nil {
-				return nil, err // nolint: wrapcheck
+				return nil, err
 			}

 			switch rec.Type {
@@ -31,7 +31,7 @@ func (w *wrapperObfuscated2) ReadTimeout(p []byte, timeout time.Duration) (int,
 func (w *wrapperObfuscated2) Read(p []byte) (int, error) {
 	n, err := w.parent.Read(p)
 	if err != nil {
-		return n, err // nolint: wrapcheck
+		return n, err
 	}

 	w.decryptor.XORKeyStream(p, p[:n])
@@ -48,7 +48,7 @@ func (w *wrapperObfuscated2) WriteTimeout(p []byte, timeout time.Duration) (int,

 	w.encryptor.XORKeyStream(buf, buf)

-	return w.parent.WriteTimeout(buf, timeout) // nolint: wrapcheck
+	return w.parent.WriteTimeout(buf, timeout)
 }

 func (w *wrapperObfuscated2) Write(p []byte) (int, error) {
@@ -60,7 +60,7 @@ func (w *wrapperObfuscated2) Write(p []byte) (int, error) {

 	w.encryptor.XORKeyStream(buf, buf)

-	return w.parent.Write(buf) // nolint: wrapcheck
+	return w.parent.Write(buf)
 }

 func (w *wrapperObfuscated2) Conn() net.Conn {
@@ -80,7 +80,7 @@ func (w *wrapperObfuscated2) RemoteAddr() *net.TCPAddr {
 }

 func (w *wrapperObfuscated2) Close() error {
-	return w.parent.Close() // nolint: wrapcheck
+	return w.parent.Close()
 }

 func NewObfuscated2(socket conntypes.StreamReadWriteCloser,
@@ -18,31 +18,55 @@ type ReadWriteCloseRewinder interface {

 type wrapperRewind struct {
 	parent   conntypes.StreamReadWriteCloser
-	activeReader io.Reader
 	buf      bytes.Buffer
 	mutex    sync.Mutex
+	rewinded bool
 }

 func (w *wrapperRewind) Write(p []byte) (int, error) {
-	return w.parent.Write(p) // nolint: wrapcheck
+	return w.parent.Write(p)
 }

 func (w *wrapperRewind) WriteTimeout(p []byte, timeout time.Duration) (int, error) {
-	return w.parent.WriteTimeout(p, timeout) // nolint: wrapcheck
+	return w.parent.WriteTimeout(p, timeout)
 }

 func (w *wrapperRewind) Read(p []byte) (int, error) {
 	w.mutex.Lock()
 	defer w.mutex.Unlock()

-	return w.activeReader.Read(p) // nolint: wrapcheck
+	if w.rewinded {
+		if n, err := w.buf.Read(p); err != io.EOF {
+			return n, err
+		}
+	}
+
+	n, err := w.parent.Read(p)
+
+	if !w.rewinded {
+		w.buf.Write(p[:n])
+	}
+
+	return n, err
 }

-func (w *wrapperRewind) ReadTimeout(p []byte, _ time.Duration) (int, error) {
+func (w *wrapperRewind) ReadTimeout(p []byte, timeout time.Duration) (int, error) {
 	w.mutex.Lock()
 	defer w.mutex.Unlock()

-	return w.activeReader.Read(p) // nolint: wrapcheck
+	if w.rewinded {
+		if n, err := w.buf.Read(p); err != io.EOF {
+			return n, err
+		}
+	}
+
+	n, err := w.parent.ReadTimeout(p, timeout)
+
+	if !w.rewinded {
+		w.buf.Write(p[:n])
+	}
+
+	return n, err
 }

 func (w *wrapperRewind) Conn() net.Conn {
@@ -64,20 +88,17 @@ func (w *wrapperRewind) RemoteAddr() *net.TCPAddr {
 func (w *wrapperRewind) Close() error {
 	w.buf.Reset()

-	return w.parent.Close() // nolint: wrapcheck
+	return w.parent.Close()
 }

 func (w *wrapperRewind) Rewind() {
 	w.mutex.Lock()
-	w.activeReader = io.MultiReader(&w.buf, w.parent)
+	w.rewinded = true
 	w.mutex.Unlock()
 }

 func NewRewind(parent conntypes.StreamReadWriteCloser) ReadWriteCloseRewinder {
-	rv := &wrapperRewind{
+	return &wrapperRewind{
 		parent: parent,
 	}
-	rv.activeReader = io.TeeReader(parent, &rv.buf)
-
-	return rv
 }
@@ -17,19 +17,19 @@ type wrapperTelegramStats struct {
 }

 func (w *wrapperTelegramStats) Write(p []byte) (int, error) {
-	return w.parent.Write(p) // nolint: wrapcheck
+	return w.parent.Write(p)
 }

 func (w *wrapperTelegramStats) WriteTimeout(p []byte, timeout time.Duration) (int, error) {
-	return w.parent.WriteTimeout(p, timeout) // nolint: wrapcheck
+	return w.parent.WriteTimeout(p, timeout)
 }

 func (w *wrapperTelegramStats) Read(p []byte) (int, error) {
-	return w.parent.Read(p) // nolint: wrapcheck
+	return w.parent.Read(p)
 }

 func (w *wrapperTelegramStats) ReadTimeout(p []byte, timeout time.Duration) (int, error) {
-	return w.parent.ReadTimeout(p, timeout) // nolint: wrapcheck
+	return w.parent.ReadTimeout(p, timeout)
 }

 func (w *wrapperTelegramStats) Conn() net.Conn {
@@ -56,7 +56,7 @@ func (w *wrapperTelegramStats) Close() error {
 		stats.Stats.TelegramDisconnected(w.dc, w.RemoteAddr())
 	})

-	return err // nolint: wrapcheck
+	return err
 }

 func NewTelegramStats(dc conntypes.DC, parent conntypes.StreamReadWriteCloser) conntypes.StreamReadWriteCloser {
@@ -17,28 +17,28 @@ func (w *wrapperTrafficStats) Write(p []byte) (int, error) {
 	n, err := w.parent.Write(p)
 	stats.Stats.EgressTraffic(n)

-	return n, err // nolint: wrapcheck
+	return n, err
 }

 func (w *wrapperTrafficStats) WriteTimeout(p []byte, timeout time.Duration) (int, error) {
 	n, err := w.parent.WriteTimeout(p, timeout)
 	stats.Stats.EgressTraffic(n)

-	return n, err // nolint: wrapcheck
+	return n, err
 }

 func (w *wrapperTrafficStats) Read(p []byte) (int, error) {
 	n, err := w.parent.Read(p)
 	stats.Stats.IngressTraffic(n)

-	return n, err // nolint: wrapcheck
+	return n, err
 }

 func (w *wrapperTrafficStats) ReadTimeout(p []byte, timeout time.Duration) (int, error) {
 	n, err := w.parent.ReadTimeout(p, timeout)
 	stats.Stats.IngressTraffic(n)

-	return n, err // nolint: wrapcheck
+	return n, err
 }

 func (w *wrapperTrafficStats) Conn() net.Conn {
@@ -58,7 +58,7 @@ func (w *wrapperTrafficStats) RemoteAddr() *net.TCPAddr {
 }

 func (w *wrapperTrafficStats) Close() error {
-	return w.parent.Close() // nolint: wrapcheck
+	return w.parent.Close()
 }

 func NewTrafficStats(parent conntypes.StreamReadWriteCloser) conntypes.StreamReadWriteCloser {
@@ -18,23 +18,23 @@ type wrapperTimeout struct {
 }

 func (w *wrapperTimeout) WriteTimeout(p []byte, timeout time.Duration) (int, error) {
-	return w.parent.WriteTimeout(p, timeout) // nolint: wrapcheck
+	return w.parent.WriteTimeout(p, timeout)
 }

 func (w *wrapperTimeout) Write(p []byte) (int, error) {
-	return w.parent.WriteTimeout(p, timeoutWrite) // nolint: wrapcheck
+	return w.parent.WriteTimeout(p, timeoutWrite)
 }

 func (w *wrapperTimeout) ReadTimeout(p []byte, timeout time.Duration) (int, error) {
-	return w.parent.ReadTimeout(p, timeout) // nolint: wrapcheck
+	return w.parent.ReadTimeout(p, timeout)
 }

 func (w *wrapperTimeout) Read(p []byte) (int, error) {
-	return w.parent.ReadTimeout(p, timeoutRead) // nolint: wrapcheck
+	return w.parent.ReadTimeout(p, timeoutRead)
 }

 func (w *wrapperTimeout) Close() error {
-	return w.parent.Close() // nolint: wrapcheck
+	return w.parent.Close()
 }

 func (w *wrapperTimeout) Conn() net.Conn {
Author	SHA1	Message	Date
9seconds	a8c4d0a9c4	Merge remote-tracking branch 'origin/master' into stable	2020-09-21 12:03:19 +03:00
9seconds	790bf21166	Merge remote-tracking branch 'origin/master' into stable	2020-08-11 13:32:01 +03:00
9seconds	e5b9c841cd	Merge remote-tracking branch 'origin/master' into stable	2020-03-31 10:09:47 +03:00
9seconds	8ccf61c23e	Merge remote-tracking branch 'origin/master' into stable	2020-03-25 10:24:31 +03:00
9seconds	0e033b59b3	Merge remote-tracking branch 'origin/master' into stable	2020-03-20 14:39:45 +03:00
9seconds	cdd93bd25f	Merge remote-tracking branch 'origin/master' into stable	2020-02-04 11:23:40 +03:00
9seconds	cac476901d	Merge remote-tracking branch 'origin/master' into stable	2019-11-19 18:13:43 +03:00
9seconds	bb21bf814f	Merge remote-tracking branch 'origin/master' into stable	2019-11-19 17:58:10 +03:00
9seconds	68e1d66017	Merge remote-tracking branch 'origin/master' into stable	2019-11-18 12:56:21 +03:00