Merge branch 'master' into main

2026-07-27 23:26:44 +00:00 · 2021-11-12 19:58:31 +05:30 · 2021-11-12 19:58:31 +05:30 · 3b264e929a
commit 3b264e929a
parent 358e68364f 9ab47817e2
22 changed files with 643 additions and 201 deletions
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@ -6,9 +6,9 @@ jobs:
    steps:
      - uses: actions/checkout@v2
      - name: Install Go
-        uses: actions/setup-go@v2.1.3
+        uses: actions/setup-go@v2
        with:
-          go-version: 1.16.7
+          go-version: 1.17
      - name: "Build binaries"
        run: make all
      - name: "Run tests"
--- a/.github/workflows/dockerimage-latest.yml
+++ b/.github/workflows/dockerimage-latest.yml
@ -1,26 +0,0 @@
-name: Docker Images For Latest Branches
-
-on:
-  push:
-    branches:
-      - master
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Build docker image
-      env:
-        DOCKERHUB: ${{ secrets.DOCKERHUB }}
-        DOCKERHUB_KEY: ${{ secrets.DOCKERHUB_KEY }}
-      run: |
-        set -x
-        ls -l
-        echo "Docker login"
-        docker login -u $DOCKERHUB -p $DOCKERHUB_KEY
-        echo "Running build"
-        docker build -t maticnetwork/bor:${GITHUB_REF/refs\/heads\//} .
-        echo "Pushing image"
-        docker push maticnetwork/bor:${GITHUB_REF/refs\/heads\//}
-        echo "Done"
--- a/.github/workflows/dockerimage.yml
+++ b/.github/workflows/dockerimage.yml
@ -1,25 +0,0 @@
-name: Bor Docker Image CI
-
-on:
-  push:
-    tags:
-      - 'v*.*.*'
-  
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Build the Bor Docker image
-      env:
-        DOCKERHUB: ${{ secrets.DOCKERHUB }}
-        DOCKERHUB_KEY: ${{ secrets.DOCKERHUB_KEY }}
-      run: |
-        ls -l
-        echo "Docker login"
-        docker login -u $DOCKERHUB -p $DOCKERHUB_KEY
-        echo "running build"
-        docker build -t maticnetwork/bor:${GITHUB_REF/refs\/tags\//} .
-        echo "pushing image"
-        docker push maticnetwork/bor:${GITHUB_REF/refs\/tags\//}
-        echo "DONE!"
--- a/.github/workflows/linuxpackage.yml
+++ b/.github/workflows/linuxpackage.yml
@ -1,67 +0,0 @@
-name: Linux package
-
-on:
-  push:
-    tags:
-      - "v*.*.*"
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install Go
-        uses: actions/setup-go@v1
-        with:
-          go-version: 1.17
-
-      - name: Set up Ruby 2.6
-        uses: actions/setup-ruby@v1
-        with:
-          ruby-version: 2.6
-
-      - name: Retrieve release version
-        run: |
-          echo "RELEASE_VERSION=${GITHUB_REF/refs\/tags\/v/}" >> $GITHUB_ENV
-
-      - name: Build package
-        run: |
-          set -x
-
-          echo "Release version: ${{ env.RELEASE_VERSION }}"
-
-          sudo apt-get -yqq install libpq-dev build-essential
-          gem install --no-document fpm
-          fpm --version
-
-          make bor-all
-
-          fpm -s dir -t deb --deb-user root --deb-group root -n matic-bor -v ${{ env.RELEASE_VERSION }} \
-            build/bin/bor=/usr/bin/ \
-            build/bin/bootnode=/usr/bin/
-
-          mkdir packages-v${{ env.RELEASE_VERSION }}
-
-          mv matic-bor_${{ env.RELEASE_VERSION }}_amd64.deb packages-v${{ env.RELEASE_VERSION }}/
-
-          ls packages-v${{ env.RELEASE_VERSION }}/
-
-      - name: S3 upload
-        uses: jakejarvis/s3-sync-action@master
-        with:
-          args: --acl public-read
-        env:
-          AWS_S3_BUCKET: ${{ secrets.AWS_S3_BUCKET }}
-          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-          AWS_REGION: "us-east-1" # optional: defaults to us-east-1
-          SOURCE_DIR: "packages-v${{ env.RELEASE_VERSION }}"
-          DEST_DIR: "v${{ env.RELEASE_VERSION }}"
-
-      - name: Slack Notification
-        uses: rtCamp/action-slack-notify@v2.0.0
-        env:
-          SLACK_CHANNEL: code-releases
-          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
-          SLACK_TITLE: "New linux package for Bor v${{ env.RELEASE_VERSION }} just got released"
-          SLACK_MESSAGE: "Package has been uploaded to S3 bucket for public use and available at https://matic-public.s3.amazonaws.com/v${{ env.RELEASE_VERSION }}/matic-bor_${{ env.RELEASE_VERSION }}_amd64.deb"
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@ -0,0 +1,43 @@
+name: Release
+
+on:
+  push:
+    branches-ignore:
+      - '**'
+    tags:
+      - 'v*.*.*'
+      # to be used by fork patch-releases ^^
+      - 'v*.*.*-*'
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@master
+        with:
+          go-version: 1.17.x
+
+      - name: Prepare
+        id: prepare
+        run: |
+            TAG=${GITHUB_REF#refs/tags/}
+            echo ::set-output name=tag_name::${TAG}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Run GoReleaser
+        run: |
+            make release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          VERSION: ${{ steps.prepare.outputs.tag_name }}
+          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
+          DOCKER_USERNAME: ${{ secrets.DOCKERHUB }}
+          DOCKER_PASSWORD: ${{ secrets.DOCKERHUB_KEY }}
--- a/.gitignore
+++ b/.gitignore
@ -49,3 +49,5 @@ profile.cov
 **/yarn-error.log
 ./test
 ./bor-debug-*
+
+dist
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@ -0,0 +1,126 @@
+project_name: bor
+
+release:
+  disable: false
+  draft: true
+  prerelease: auto
+
+builds:
+  - id: darwin-amd64
+    main: ./cmd/geth
+    binary: bor
+    goos:
+      - darwin
+    goarch:
+      - amd64
+    env:
+      - CC=o64-clang
+      - CXX=o64-clang++
+    ldflags:
+      -s -w
+  
+  - id: darwin-arm64
+    main: ./cmd/geth
+    binary: bor
+    goos:
+      - darwin
+    goarch:
+      - arm64
+    env:
+      - CC=oa64-clang
+      - CXX=oa64-clang++
+    ldflags:
+      -s -w
+  
+  - id: linux-amd64
+    main: ./cmd/geth
+    binary: bor
+    goos:
+      - linux
+    goarch:
+      - amd64
+    env:
+      - CC=gcc
+      - CXX=g++
+    ldflags:
+      # We need to build a static binary because we are building in a glibc based system and running in a musl container 
+      -s -w -linkmode external -extldflags "-static"
+
+  - id: linux-arm64
+    main: ./cmd/geth
+    binary: bor
+    goos:
+      - linux
+    goarch:
+      - arm64
+    env:
+      - CC=aarch64-linux-gnu-gcc
+      - CXX=aarch64-linux-gnu-g++
+    ldflags:
+      # We need to build a static binary because we are building in a glibc based system and running in a musl container 
+      -s -w -linkmode external -extldflags "-static"
+
+nfpms:
+  - vendor: 0xPolygon
+    homepage: https://polygon.technology
+    maintainer: Polygon Team <team@polygon.technology>
+    description: Polygon Blockchain
+    license: GPLv3 LGPLv3
+
+    formats:
+      - apk
+      - deb
+      - rpm
+
+    contents:
+      - src: builder/files/bor.service
+        dst: /lib/systemd/system/bor.service
+        type: config
+
+    overrides:
+      rpm:
+        replacements:
+          amd64: x86_64
+
+snapshot:
+  name_template: "{{ .Tag }}.next"
+
+dockers:
+  - image_templates:
+      - 0xpolygon/{{ .ProjectName }}:{{ .Version }}-amd64
+    dockerfile: Dockerfile.release
+    use: buildx
+    goarch: amd64
+    ids:
+      - linux-amd64
+    build_flag_templates:
+      - --platform=linux/amd64
+    skip_push: true
+  
+  - image_templates:
+      - 0xpolygon/{{ .ProjectName }}:{{ .Version }}-arm64
+    dockerfile: Dockerfile.release
+    use: buildx
+    goarch: arm64
+    ids:
+      - linux-arm64
+    build_flag_templates:
+      - --platform=linux/arm64
+    skip_push: true
+
+docker_manifests:
+  - name_template: 0xpolygon/{{ .ProjectName }}:{{ .Version }}
+    image_templates:
+      - 0xpolygon/{{ .ProjectName }}:{{ .Version }}-amd64
+      - 0xpolygon/{{ .ProjectName }}:{{ .Version }}-arm64
+
+  - name_template: 0xpolygon/{{ .ProjectName }}:latest
+    image_templates:
+    - 0xpolygon/{{ .ProjectName }}:{{ .Version }}-amd64
+    - 0xpolygon/{{ .ProjectName }}:{{ .Version }}-arm64
+
+announce:
+  slack:
+    enabled: true
+    # The name of the channel that the user selected as a destination for webhook messages.
+    channel: '#code-releases'
--- a/23
+++ b/23
@ -1,18 +1,29 @@
 # Build Geth in a stock Go builder container
 FROM golang:1.17-alpine as builder

-RUN apk add --no-cache make gcc musl-dev linux-headers git bash
+RUN set -x \
+	&& buildDeps='bash build-base musl-dev linux-headers git' \
+	&& apk add --update $buildDeps \
+	&& rm -rf /var/cache/apk/* \
+    && mkdir -p /bor

-ADD . /bor
-RUN cd /bor && make bor-all
+WORKDIR /bor
+COPY . .
+RUN make bor-all

 CMD ["/bin/bash"]

 # Pull Bor into a second stage deploy alpine container
-FROM alpine:latest
+FROM alpine:3.14
+
+RUN set -x \
+    && apk add --update --no-cache \
+       ca-certificates \
+    && rm -rf /var/cache/apk/*

-RUN apk add --no-cache ca-certificates
 COPY --from=builder /bor/build/bin/bor /usr/local/bin/
 COPY --from=builder /bor/build/bin/bootnode /usr/local/bin/

-EXPOSE 8545 8546 8547 30303 30303/udp
+EXPOSE 8545 8546 8547 30303 30303/udp
+
+ENTRYPOINT ["bor"]
--- a/Dockerfile.alltools
+++ b/Dockerfile.alltools
@ -9,7 +9,10 @@ RUN cd /bor && make bor-all
 # Pull all binaries into a second stage deploy alpine container
 FROM alpine:latest

-RUN apk add --no-cache ca-certificates
+RUN set -x \
+    && apk add --update --no-cache \
+       ca-certificates \
+    && rm -rf /var/cache/apk/*
 COPY --from=builder /bor/build/bin/* /usr/local/bin/

-EXPOSE 8545 8546 30303 30303/udp
+EXPOSE 8545 8546 30303 30303/udp
--- a/Dockerfile.release
+++ b/Dockerfile.release
@ -0,0 +1,10 @@
+FROM alpine:3.14
+
+RUN set -x \
+    && apk add --update --no-cache \
+       ca-certificates \
+    && rm -rf /var/cache/apk/*
+COPY bor /usr/local/bin/
+
+EXPOSE 8545 8546 8547 30303 30303/udp
+ENTRYPOINT ["bor"]
--- a/34
+++ b/34
@ -163,3 +163,37 @@ geth-windows-amd64:
 	$(GORUN) build/ci.go xgo -- --go=$(GO) --targets=windows/amd64 -v ./cmd/geth
 	@echo "Windows amd64 cross compilation done:"
 	@ls -ld $(GOBIN)/geth-windows-* | grep amd64
+
+PACKAGE_NAME          := github.com/maticnetwork/bor
+GOLANG_CROSS_VERSION  ?= v1.17.2
+
+.PHONY: release-dry-run
+release-dry-run:
+	@docker run \
+		--rm \
+		--privileged \
+		-e CGO_ENABLED=1 \
+		-e GITHUB_TOKEN \
+		-e DOCKER_USERNAME \
+		-e DOCKER_PASSWORD \
+		-v /var/run/docker.sock:/var/run/docker.sock \
+		-v `pwd`:/go/src/$(PACKAGE_NAME) \
+		-w /go/src/$(PACKAGE_NAME) \
+		ghcr.io/troian/golang-cross:${GOLANG_CROSS_VERSION} \
+		--rm-dist --skip-validate --skip-publish
+
+.PHONY: release
+release:
+	@docker run \
+		--rm \
+		--privileged \
+		-e CGO_ENABLED=1 \
+		-e GITHUB_TOKEN \
+		-e DOCKER_USERNAME \
+		-e DOCKER_PASSWORD \
+		-e SLACK_WEBHOOK \
+		-v /var/run/docker.sock:/var/run/docker.sock \
+		-v `pwd`:/go/src/$(PACKAGE_NAME) \
+		-w /go/src/$(PACKAGE_NAME) \
+		ghcr.io/troian/golang-cross:${GOLANG_CROSS_VERSION} \
+		--rm-dist --skip-validate
--- a/builder/files/bor.service
+++ b/builder/files/bor.service
@ -0,0 +1,18 @@
+[Unit]
+  Description=bor
+  StartLimitIntervalSec=500
+  StartLimitBurst=5
+
+[Service]
+  Restart=on-failure
+  RestartSec=5s
+  WorkingDirectory=$NODE_DIR
+  EnvironmentFile=/etc/matic/metadata
+  ExecStart=/usr/local/bin/bor $VALIDATOR_ADDRESS
+  Type=simple
+  User=$USER
+  KillSignal=SIGINT
+  TimeoutStopSec=120
+
+[Install]
+  WantedBy=multi-user.target
--- a/command/chain.go
+++ b/command/chain.go
@ -0,0 +1,31 @@
+package main
+
+import (
+	"github.com/mitchellh/cli"
+)
+
+// ChainCommand is the command to group the peers commands
+type ChainCommand struct {
+	UI cli.Ui
+}
+
+// Help implements the cli.Command interface
+func (c *ChainCommand) Help() string {
+	return `Usage: bor chain <subcommand>
+
+  This command groups actions to interact with the chain.
+	
+  Set the new head of the chain:
+  
+    $ bor chain sethead <number>`
+}
+
+// Synopsis implements the cli.Command interface
+func (c *ChainCommand) Synopsis() string {
+	return "Interact with the chain"
+}
+
+// Run implements the cli.Command interface
+func (c *ChainCommand) Run(args []string) int {
+	return cli.RunResultHelp
+}
--- a/command/chain_sethead.go
+++ b/command/chain_sethead.go
@ -0,0 +1,91 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+
+	"github.com/ethereum/go-ethereum/command/flagset"
+	"github.com/ethereum/go-ethereum/command/server/proto"
+)
+
+// ChainSetHeadCommand is the command to group the peers commands
+type ChainSetHeadCommand struct {
+	*Meta2
+
+	yes bool
+}
+
+// Help implements the cli.Command interface
+func (c *ChainSetHeadCommand) Help() string {
+	return `Usage: bor chain sethead <number> [--yes]
+
+  This command sets the current chain to a certain block`
+}
+
+func (c *ChainSetHeadCommand) Flags() *flagset.Flagset {
+	flags := c.NewFlagSet("chain sethead")
+
+	flags.BoolFlag(&flagset.BoolFlag{
+		Name:    "yes",
+		Usage:   "Force set head",
+		Default: false,
+		Value:   &c.yes,
+	})
+	return flags
+}
+
+// Synopsis implements the cli.Command interface
+func (c *ChainSetHeadCommand) Synopsis() string {
+	return "Set the new head of the chain"
+}
+
+// Run implements the cli.Command interface
+func (c *ChainSetHeadCommand) Run(args []string) int {
+	flags := c.Flags()
+	if err := flags.Parse(args); err != nil {
+		c.UI.Error(err.Error())
+		return 1
+	}
+
+	args = flags.Args()
+	if len(args) != 1 {
+		c.UI.Error("No number provided")
+		return 1
+	}
+
+	borClt, err := c.BorConn()
+	if err != nil {
+		c.UI.Error(err.Error())
+		return 1
+	}
+
+	arg := args[0]
+	fmt.Println(arg)
+
+	number, err := strconv.Atoi(arg)
+	if err != nil {
+		c.UI.Error(err.Error())
+		return 1
+	}
+
+	if !c.yes {
+		response, err := c.UI.Ask("Are you sure you want to reset the database? (y/n)")
+		if err != nil {
+			c.UI.Error(err.Error())
+			return 1
+		}
+		if response != "y" {
+			c.UI.Output("set head aborted")
+			return 0
+		}
+	}
+
+	if _, err := borClt.ChainSetHead(context.Background(), &proto.ChainSetHeadRequest{Number: uint64(number)}); err != nil {
+		c.UI.Error(err.Error())
+		return 1
+	}
+
+	c.UI.Output("Done!")
+	return 0
+}
--- a/command/main.go
+++ b/command/main.go
@ -64,6 +64,16 @@ func commands() map[string]cli.CommandFactory {
 				Meta2: meta2,
 			}, nil
 		},
+		"chain": func() (cli.Command, error) {
+			return &ChainCommand{
+				UI: ui,
+			}, nil
+		},
+		"chain sethead": func() (cli.Command, error) {
+			return &ChainSetHeadCommand{
+				Meta2: meta2,
+			}, nil
+		},
 		"account": func() (cli.Command, error) {
 			return &Account{
 				UI: ui,
--- a/command/server/proto/server.pb.go
+++ b/command/server/proto/server.pb.go
@ -71,7 +71,7 @@ func (x PprofRequest_Type) Number() protoreflect.EnumNumber {

 // Deprecated: Use PprofRequest_Type.Descriptor instead.
 func (PprofRequest_Type) EnumDescriptor() ([]byte, []int) {
-	return file_command_server_proto_server_proto_rawDescGZIP(), []int{9, 0}
+	return file_command_server_proto_server_proto_rawDescGZIP(), []int{11, 0}
 }

 type PeersAddRequest struct {
@ -534,6 +534,91 @@ func (x *Peer) GetStatic() bool {
 	return false
 }

+type ChainSetHeadRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Number uint64 `protobuf:"varint,1,opt,name=number,proto3" json:"number,omitempty"`
+}
+
+func (x *ChainSetHeadRequest) Reset() {
+	*x = ChainSetHeadRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_command_server_proto_server_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ChainSetHeadRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ChainSetHeadRequest) ProtoMessage() {}
+
+func (x *ChainSetHeadRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_command_server_proto_server_proto_msgTypes[9]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ChainSetHeadRequest.ProtoReflect.Descriptor instead.
+func (*ChainSetHeadRequest) Descriptor() ([]byte, []int) {
+	return file_command_server_proto_server_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *ChainSetHeadRequest) GetNumber() uint64 {
+	if x != nil {
+		return x.Number
+	}
+	return 0
+}
+
+type ChainSetHeadResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *ChainSetHeadResponse) Reset() {
+	*x = ChainSetHeadResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_command_server_proto_server_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ChainSetHeadResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ChainSetHeadResponse) ProtoMessage() {}
+
+func (x *ChainSetHeadResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_command_server_proto_server_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ChainSetHeadResponse.ProtoReflect.Descriptor instead.
+func (*ChainSetHeadResponse) Descriptor() ([]byte, []int) {
+	return file_command_server_proto_server_proto_rawDescGZIP(), []int{10}
+}
+
 type PprofRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@ -547,7 +632,7 @@ type PprofRequest struct {
 func (x *PprofRequest) Reset() {
 	*x = PprofRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_command_server_proto_server_proto_msgTypes[9]
+		mi := &file_command_server_proto_server_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@ -560,7 +645,7 @@ func (x *PprofRequest) String() string {
 func (*PprofRequest) ProtoMessage() {}

 func (x *PprofRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_command_server_proto_server_proto_msgTypes[9]
+	mi := &file_command_server_proto_server_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@ -573,7 +658,7 @@ func (x *PprofRequest) ProtoReflect() protoreflect.Message {

 // Deprecated: Use PprofRequest.ProtoReflect.Descriptor instead.
 func (*PprofRequest) Descriptor() ([]byte, []int) {
-	return file_command_server_proto_server_proto_rawDescGZIP(), []int{9}
+	return file_command_server_proto_server_proto_rawDescGZIP(), []int{11}
 }

 func (x *PprofRequest) GetType() PprofRequest_Type {
@ -609,7 +694,7 @@ type PprofResponse struct {
 func (x *PprofResponse) Reset() {
 	*x = PprofResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_command_server_proto_server_proto_msgTypes[10]
+		mi := &file_command_server_proto_server_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@ -622,7 +707,7 @@ func (x *PprofResponse) String() string {
 func (*PprofResponse) ProtoMessage() {}

 func (x *PprofResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_command_server_proto_server_proto_msgTypes[10]
+	mi := &file_command_server_proto_server_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@ -635,7 +720,7 @@ func (x *PprofResponse) ProtoReflect() protoreflect.Message {

 // Deprecated: Use PprofResponse.ProtoReflect.Descriptor instead.
 func (*PprofResponse) Descriptor() ([]byte, []int) {
-	return file_command_server_proto_server_proto_rawDescGZIP(), []int{10}
+	return file_command_server_proto_server_proto_rawDescGZIP(), []int{12}
 }

 func (x *PprofResponse) GetPayload() string {
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@ -747,39 +841,43 @@ func file_command_server_proto_server_proto_rawDescGZIP() []byte {
 }

 var file_command_server_proto_server_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_command_server_proto_server_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
+var file_command_server_proto_server_proto_msgTypes = make([]protoimpl.MessageInfo, 14)
 var file_command_server_proto_server_proto_goTypes = []interface{}{
-	(PprofRequest_Type)(0),      // 0: proto.PprofRequest.Type
-	(*PeersAddRequest)(nil),     // 1: proto.PeersAddRequest
-	(*PeersAddResponse)(nil),    // 2: proto.PeersAddResponse
-	(*PeersRemoveRequest)(nil),  // 3: proto.PeersRemoveRequest
-	(*PeersRemoveResponse)(nil), // 4: proto.PeersRemoveResponse
-	(*PeersListRequest)(nil),    // 5: proto.PeersListRequest
-	(*PeersListResponse)(nil),   // 6: proto.PeersListResponse
-	(*PeersStatusRequest)(nil),  // 7: proto.PeersStatusRequest
-	(*PeersStatusResponse)(nil), // 8: proto.PeersStatusResponse
-	(*Peer)(nil),                // 9: proto.Peer
-	(*PprofRequest)(nil),        // 10: proto.PprofRequest
-	(*PprofResponse)(nil),       // 11: proto.PprofResponse
-	nil,                         // 12: proto.PprofResponse.HeadersEntry
+	(PprofRequest_Type)(0),       // 0: proto.PprofRequest.Type
+	(*PeersAddRequest)(nil),      // 1: proto.PeersAddRequest
+	(*PeersAddResponse)(nil),     // 2: proto.PeersAddResponse
+	(*PeersRemoveRequest)(nil),   // 3: proto.PeersRemoveRequest
+	(*PeersRemoveResponse)(nil),  // 4: proto.PeersRemoveResponse
+	(*PeersListRequest)(nil),     // 5: proto.PeersListRequest
+	(*PeersListResponse)(nil),    // 6: proto.PeersListResponse
+	(*PeersStatusRequest)(nil),   // 7: proto.PeersStatusRequest
+	(*PeersStatusResponse)(nil),  // 8: proto.PeersStatusResponse
+	(*Peer)(nil),                 // 9: proto.Peer
+	(*ChainSetHeadRequest)(nil),  // 10: proto.ChainSetHeadRequest
+	(*ChainSetHeadResponse)(nil), // 11: proto.ChainSetHeadResponse
+	(*PprofRequest)(nil),         // 12: proto.PprofRequest
+	(*PprofResponse)(nil),        // 13: proto.PprofResponse
+	nil,                          // 14: proto.PprofResponse.HeadersEntry
 }
 var file_command_server_proto_server_proto_depIdxs = []int32{
 	9,  // 0: proto.PeersListResponse.peers:type_name -> proto.Peer
 	9,  // 1: proto.PeersStatusResponse.peer:type_name -> proto.Peer
 	0,  // 2: proto.PprofRequest.type:type_name -> proto.PprofRequest.Type
-	12, // 3: proto.PprofResponse.headers:type_name -> proto.PprofResponse.HeadersEntry
-	10, // 4: proto.Bor.Pprof:input_type -> proto.PprofRequest
+	14, // 3: proto.PprofResponse.headers:type_name -> proto.PprofResponse.HeadersEntry
+	12, // 4: proto.Bor.Pprof:input_type -> proto.PprofRequest
 	1,  // 5: proto.Bor.PeersAdd:input_type -> proto.PeersAddRequest
 	3,  // 6: proto.Bor.PeersRemove:input_type -> proto.PeersRemoveRequest
 	5,  // 7: proto.Bor.PeersList:input_type -> proto.PeersListRequest
 	7,  // 8: proto.Bor.PeersStatus:input_type -> proto.PeersStatusRequest
-	11, // 9: proto.Bor.Pprof:output_type -> proto.PprofResponse
-	2,  // 10: proto.Bor.PeersAdd:output_type -> proto.PeersAddResponse
-	4,  // 11: proto.Bor.PeersRemove:output_type -> proto.PeersRemoveResponse
-	6,  // 12: proto.Bor.PeersList:output_type -> proto.PeersListResponse
-	8,  // 13: proto.Bor.PeersStatus:output_type -> proto.PeersStatusResponse
-	9,  // [9:14] is the sub-list for method output_type
-	4,  // [4:9] is the sub-list for method input_type
+	10, // 9: proto.Bor.ChainSetHead:input_type -> proto.ChainSetHeadRequest
+	13, // 10: proto.Bor.Pprof:output_type -> proto.PprofResponse
+	2,  // 11: proto.Bor.PeersAdd:output_type -> proto.PeersAddResponse
+	4,  // 12: proto.Bor.PeersRemove:output_type -> proto.PeersRemoveResponse
+	6,  // 13: proto.Bor.PeersList:output_type -> proto.PeersListResponse
+	8,  // 14: proto.Bor.PeersStatus:output_type -> proto.PeersStatusResponse
+	11, // 15: proto.Bor.ChainSetHead:output_type -> proto.ChainSetHeadResponse
+	10, // [10:16] is the sub-list for method output_type
+	4,  // [4:10] is the sub-list for method input_type
 	4,  // [4:4] is the sub-list for extension type_name
 	4,  // [4:4] is the sub-list for extension extendee
 	0,  // [0:4] is the sub-list for field type_name
@ -900,7 +998,7 @@ func file_command_server_proto_server_proto_init() {
 			}
 		}
 		file_command_server_proto_server_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*PprofRequest); i {
+			switch v := v.(*ChainSetHeadRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@ -912,6 +1010,30 @@ func file_command_server_proto_server_proto_init() {
 			}
 		}
 		file_command_server_proto_server_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ChainSetHeadResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_command_server_proto_server_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PprofRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_command_server_proto_server_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PprofResponse); i {
 			case 0:
 				return &v.state
@ -930,7 +1052,7 @@ func file_command_server_proto_server_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_command_server_proto_server_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   12,
+			NumMessages:   14,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
--- a/command/server/proto/server.proto
+++ b/command/server/proto/server.proto
@ -14,6 +14,8 @@ service Bor {
    rpc PeersList(PeersListRequest) returns (PeersListResponse);

    rpc PeersStatus(PeersStatusRequest) returns (PeersStatusResponse);
+
+    rpc ChainSetHead(ChainSetHeadRequest) returns (ChainSetHeadResponse);
 }


@ -58,6 +60,13 @@ message Peer {
    bool static = 7;
 }

+message ChainSetHeadRequest {
+    uint64 number = 1;
+}
+
+message ChainSetHeadResponse {
+}
+
 message PprofRequest {
    Type type = 1;

--- a/command/server/proto/server_grpc.pb.go
+++ b/command/server/proto/server_grpc.pb.go
@ -23,6 +23,7 @@ type BorClient interface {
 	PeersRemove(ctx context.Context, in *PeersRemoveRequest, opts ...grpc.CallOption) (*PeersRemoveResponse, error)
 	PeersList(ctx context.Context, in *PeersListRequest, opts ...grpc.CallOption) (*PeersListResponse, error)
 	PeersStatus(ctx context.Context, in *PeersStatusRequest, opts ...grpc.CallOption) (*PeersStatusResponse, error)
+	ChainSetHead(ctx context.Context, in *ChainSetHeadRequest, opts ...grpc.CallOption) (*ChainSetHeadResponse, error)
 }

 type borClient struct {
@ -78,6 +79,15 @@ func (c *borClient) PeersStatus(ctx context.Context, in *PeersStatusRequest, opt
 	return out, nil
 }

+func (c *borClient) ChainSetHead(ctx context.Context, in *ChainSetHeadRequest, opts ...grpc.CallOption) (*ChainSetHeadResponse, error) {
+	out := new(ChainSetHeadResponse)
+	err := c.cc.Invoke(ctx, "/proto.Bor/ChainSetHead", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // BorServer is the server API for Bor service.
 // All implementations must embed UnimplementedBorServer
 // for forward compatibility
@ -87,6 +97,7 @@ type BorServer interface {
 	PeersRemove(context.Context, *PeersRemoveRequest) (*PeersRemoveResponse, error)
 	PeersList(context.Context, *PeersListRequest) (*PeersListResponse, error)
 	PeersStatus(context.Context, *PeersStatusRequest) (*PeersStatusResponse, error)
+	ChainSetHead(context.Context, *ChainSetHeadRequest) (*ChainSetHeadResponse, error)
 	mustEmbedUnimplementedBorServer()
 }

@ -109,6 +120,9 @@ func (UnimplementedBorServer) PeersList(context.Context, *PeersListRequest) (*Pe
 func (UnimplementedBorServer) PeersStatus(context.Context, *PeersStatusRequest) (*PeersStatusResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method PeersStatus not implemented")
 }
+func (UnimplementedBorServer) ChainSetHead(context.Context, *ChainSetHeadRequest) (*ChainSetHeadResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ChainSetHead not implemented")
+}
 func (UnimplementedBorServer) mustEmbedUnimplementedBorServer() {}

 // UnsafeBorServer may be embedded to opt out of forward compatibility for this service.
@ -212,6 +226,24 @@ func _Bor_PeersStatus_Handler(srv interface{}, ctx context.Context, dec func(int
 	return interceptor(ctx, in, info, handler)
 }

+func _Bor_ChainSetHead_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ChainSetHeadRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BorServer).ChainSetHead(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/proto.Bor/ChainSetHead",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BorServer).ChainSetHead(ctx, req.(*ChainSetHeadRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // Bor_ServiceDesc is the grpc.ServiceDesc for Bor service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@ -239,6 +271,10 @@ var Bor_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "PeersStatus",
 			Handler:    _Bor_PeersStatus_Handler,
 		},
+		{
+			MethodName: "ChainSetHead",
+			Handler:    _Bor_ChainSetHead_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "command/server/proto/server.proto",
--- a/command/server/server.go
+++ b/command/server/server.go
@ -29,6 +29,7 @@ import (
 type Server struct {
 	proto.UnimplementedBorServer
 	node       *node.Node
+	backend    *eth.Ethereum
 	grpcServer *grpc.Server
 }

@ -67,6 +68,7 @@ func NewServer(config *Config) (*Server, error) {
 	if err != nil {
 		return nil, err
 	}
+	srv.backend = backend

 	// debug tracing is enabled by default
 	stack.RegisterAPIs(tracers.APIs(backend.APIBackend))
--- a/command/server/service.go
+++ b/command/server/service.go
@ -102,3 +102,8 @@ func peerInfoToPeer(info *p2p.PeerInfo) *proto.Peer {
 		Static:  info.Network.Static,
 	}
 }
+
+func (s *Server) ChainSetHead(ctx context.Context, req *proto.ChainSetHeadRequest) (*proto.ChainSetHeadResponse, error) {
+	s.backend.APIBackend.SetHead(req.Number)
+	return &proto.ChainSetHeadResponse{}, nil
+}
--- a/go.sum
+++ b/go.sum
@ -691,6 +691,8 @@ google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.37.0 h1:uSZWeQJX5j11bIQ4AJoj+McDBo29cY1MCoC1wO3ts+c=
 google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0 h1:M1YKkFIboKNieVO5DLUEVzQfGwJD30Nv2jfUgzb5UcE=
+google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 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=
--- a/scripts/tools-protobuf.sh
+++ b/scripts/tools-protobuf.sh
@ -0,0 +1,5 @@
+curl -LO https://github.com/protocolbuffers/protobuf/releases/download/v3.12.0/protoc-3.12.0-linux-x86_64.zip
+sudo unzip protoc-3.12.0-linux-x86_64.zip -d /usr/local/bin
+
+go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.25.0
+go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.1