Remove activation/exit queue metrics (#11389)

* Remove activation/exit queue metrics

* Gaz

* Rm unused vars

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>

.bazelrc

@@ -44,10 +44,11 @@ build:release --compilation_mode=opt
 build:release --config=llvm
 
 # LLVM compiler for building C/C++ dependencies.
-build:llvm --crosstool_top=@llvm_toolchain//:toolchain
 build:llvm --define compiler=llvm
 build:llvm --copt -fno-sanitize=vptr,function
 build:llvm --linkopt -fno-sanitize=vptr,function
+# --incompatible_enable_cc_toolchain_resolution not needed after this issue is closed https://github.com/bazelbuild/bazel/issues/7260
+build:llvm --incompatible_enable_cc_toolchain_resolution
 
 build:asan --copt -fsanitize=address,undefined
 build:asan --copt -fno-omit-frame-pointer
@@ -85,6 +86,12 @@ build:osx_amd64 --config=cross
 build:osx_amd64 --platforms=@io_bazel_rules_go//go/toolchain:darwin_amd64_cgo
 build:osx_amd64 --compiler=osxcross
 
+# osx_arm64 config for cross compiler toolchain
+build:osx_arm64 --config=cross
+build:osx_arm64 --platforms=@io_bazel_rules_go//go/toolchain:darwin_arm64_cgo
+build:osx_arm64 --compiler=osxcross
+build:osx_arm64 --cpu=aarch64
+
 # windows
 build:windows_amd64 --config=cross
 build:windows_amd64  --platforms=@io_bazel_rules_go//go/toolchain:windows_amd64_cgo
@@ -116,6 +123,10 @@ build:windows_amd64_debug --config=debug
 build:osx_amd64_debug --config=debug
 build:osx_amd64_debug --config=osx_amd64
 
+# osx_arm64 debug config
+build:osx_arm64_debug --config=debug
+build:osx_arm64_debug --config=osx_arm64
+
 # linux_arm64_debug
 build:linux_arm64_debug --config=linux_arm64
 build:linux_arm64_debug --config=debug
@@ -151,6 +162,10 @@ build:windows_amd64_docker_debug --config=windows_amd64_docker --config=debug
 build:osx_amd64_docker --config=docker-sandbox --config=osx_amd64
 build:osx_amd64_docker_debug --config=osx_amd64_docker --config=debug
 
+# osx_arm64 docker sandbox build config
+build:osx_arm64_docker --config=docker-sandbox --config=osx_arm64
+build:osx_arm64_docker_debug --config=osx_arm64_docker --config=debug
+
 # linux_arm64 docker sandbox build config
 build:linux_arm64_docker --config=docker-sandbox --config=linux_arm64
 build:linux_arm64_docker_debug --config=linux_arm64_docker --config=debug

.deepsource.toml

@@ -11,7 +11,7 @@ name = "go"
 enabled = true
 
 [analyzers.meta]
-import_paths = ["github.com/prysmaticlabs/prysm"]
+import_paths = ["github.com/prysmaticlabs/prysm/v3"]
 
 [[analyzers]]
 name = "test-coverage"

.github/actions/gofmt/Dockerfile

@@ -1,5 +0,0 @@
-FROM cytopia/gofmt
-
-COPY entrypoint.sh /entrypoint.sh
-
-ENTRYPOINT ["/entrypoint.sh"]

.github/actions/gofmt/action.yml

@@ -1,12 +0,0 @@
-name: 'Gofmt checker'
-description: 'Checks that all project files have been properly formatted.'
-inputs:
-  path:
-    description: 'Path to check'
-    required: true
-    default: './'
-runs:
-  using: 'docker'
-  image: 'Dockerfile'
-  args:
-    - ${{ inputs.path }}

.github/actions/gofmt/entrypoint.sh

@@ -1,15 +0,0 @@
-#!/bin/sh -l
-set -e
-
-cd $GITHUB_WORKSPACE
-
-# Check if any files are not formatted.
-nonformatted="$(gofmt -l $1 2>&1)"
-
-# Return if `go fmt` passes.
-[ -z "$nonformatted" ] && exit 0
-
-# Notify of issues with formatting.
-echo "Following files need to be properly formatted:"
-echo "$nonformatted"
-exit 1

.github/workflows/go.yml

@@ -18,18 +18,6 @@ jobs:
         id: gomodtidy
         uses: ./.github/actions/gomodtidy
 
-      - name: Gofmt checker
-        id: gofmt
-        uses: ./.github/actions/gofmt
-        with:
-          path: ./
-
-      - name: GoImports checker
-        id: goimports
-        uses: Jerome1337/goimports-action@v1.0.2
-        with:
-          goimports-path: ./
-
   gosec:
     name: Gosec scan
     runs-on: ubuntu-latest
@@ -45,7 +33,7 @@ jobs:
       - name: Run Gosec Security Scanner
         run: | # https://github.com/securego/gosec/issues/469
           export PATH=$PATH:$(go env GOPATH)/bin
-          go install github.com/securego/gosec/v2/cmd/gosec@latest
+          go install github.com/securego/gosec/v2/cmd/gosec@v2.12.0
           gosec -exclude=G307 -exclude-dir=crypto/bls/herumi ./...
 
   lint:
@@ -65,6 +53,7 @@ jobs:
         uses: golangci/golangci-lint-action@v3
         with:
           version: v1.47.2
+          args: --config=.golangci.yml --out-${NO_FUTURE}format colored-line-number
 
   build:
     name: Build

.golangci.yml

@@ -11,7 +11,9 @@ run:
 linters:
   disable-all: true
   enable:
-    - deadcode
+    - gofmt
+    - goimports
+    - unused
     - errcheck
     - gosimple
     - gocognit

BUILD.bazel

@@ -12,7 +12,7 @@ exports_files([
     "LICENSE.md",
 ])
 
-# gazelle:prefix github.com/prysmaticlabs/prysm
+# gazelle:prefix github.com/prysmaticlabs/prysm/v3
 # gazelle:map_kind go_library go_library @prysm//tools/go:def.bzl
 # gazelle:map_kind go_test go_test @prysm//tools/go:def.bzl
 # gazelle:map_kind go_repository go_repository @prysm//tools/go:def.bzl

README.md

@@ -2,8 +2,8 @@
 
 [![Build status](https://badge.buildkite.com/b555891daf3614bae4284dcf365b2340cefc0089839526f096.svg?branch=master)](https://buildkite.com/prysmatic-labs/prysm)
 [![Go Report Card](https://goreportcard.com/badge/github.com/prysmaticlabs/prysm)](https://goreportcard.com/report/github.com/prysmaticlabs/prysm)
-[![Consensus_Spec_Version 1.2.0-rc.1](https://img.shields.io/badge/Consensus%20Spec%20Version-v1.2.0.rc.1-blue.svg)](https://github.com/ethereum/consensus-specs/tree/v1.2.0-rc.1)
-[![Execution_API_Version 1.0.0-alpha.9](https://img.shields.io/badge/Execution%20API%20Version-v1.0.0.alpha.9-blue.svg)](https://github.com/ethereum/execution-apis/tree/v1.0.0-alpha.9/src/engine)
+[![Consensus_Spec_Version 1.2.0-rc.3](https://img.shields.io/badge/Consensus%20Spec%20Version-v1.2.0.rc.3-blue.svg)](https://github.com/ethereum/consensus-specs/tree/v1.2.0-rc.3)
+[![Execution_API_Version 1.0.0-beta.1](https://img.shields.io/badge/Execution%20API%20Version-v1.0.0.beta.1-blue.svg)](https://github.com/ethereum/execution-apis/tree/v1.0.0-beta.1/src/engine)
 [![Discord](https://user-images.githubusercontent.com/7288322/34471967-1df7808a-efbb-11e7-9088-ed0b04151291.png)](https://discord.gg/CTYGPUJ)
 [![GitPOAP Badge](https://public-api.gitpoap.io/v1/repo/prysmaticlabs/prysm/badge)](https://www.gitpoap.io/gh/prysmaticlabs/prysm)
 

WORKSPACE

@@ -15,9 +15,9 @@ http_archive(
 
 http_archive(
     name = "com_grail_bazel_toolchain",
-    sha256 = "040b9d00b8a03e8a28e38159ad0f2d0e0de625d93f453a9f226971a8c47e757b",
-    strip_prefix = "bazel-toolchain-5f82830f9d6a1941c3eb29683c1864ccf2862454",
-    urls = ["https://github.com/grailbio/bazel-toolchain/archive/5f82830f9d6a1941c3eb29683c1864ccf2862454.tar.gz"],
+    sha256 = "b210fc8e58782ef171f428bfc850ed7179bdd805543ebd1aa144b9c93489134f",
+    strip_prefix = "bazel-toolchain-83e69ba9e4b4fdad0d1d057fcb87addf77c281c9",
+    urls = ["https://github.com/grailbio/bazel-toolchain/archive/83e69ba9e4b4fdad0d1d057fcb87addf77c281c9.tar.gz"],
 )
 
 load("@com_grail_bazel_toolchain//toolchain:deps.bzl", "bazel_toolchain_dependencies")
@@ -28,7 +28,7 @@ load("@com_grail_bazel_toolchain//toolchain:rules.bzl", "llvm_toolchain")
 
 llvm_toolchain(
     name = "llvm_toolchain",
-    llvm_version = "10.0.0",
+    llvm_version = "13.0.1",
 )
 
 load("@llvm_toolchain//:toolchains.bzl", "llvm_register_toolchains")
@@ -215,7 +215,7 @@ filegroup(
     url = "https://github.com/eth-clients/slashing-protection-interchange-tests/archive/b8413ca42dc92308019d0d4db52c87e9e125c4e9.tar.gz",
 )
 
-consensus_spec_version = "v1.2.0-rc.1"
+consensus_spec_version = "v1.2.0-rc.3"
 
 bls_test_version = "v0.1.1"
 
@@ -231,7 +231,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    sha256 = "9c93f87378aaa6d6fe1c67b396eac2aacc9594af2a83f028cb99c95dea5b81df",
+    sha256 = "18ca21497f41042cdbe60e2333b100d218b2994fb514964b9deb23daf615a12f",
     url = "https://github.com/ethereum/consensus-spec-tests/releases/download/%s/general.tar.gz" % consensus_spec_version,
 )
 
@@ -247,7 +247,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    sha256 = "52f2c52415228cee8a4de5a09abff785f439a77dfef8f03e834e4e16857673c1",
+    sha256 = "47b8f6fabe39b4a69f13054ba74e26ab51581ddbd359c18cf0f03317474e299c",
     url = "https://github.com/ethereum/consensus-spec-tests/releases/download/%s/minimal.tar.gz" % consensus_spec_version,
 )
 
@@ -263,7 +263,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    sha256 = "022dcc0d6de7dd27b337a0d1b945077eaf5ee47000700395a693fc25e12f96df",
+    sha256 = "a061efc05429b169393c32dc2633a948269461b0fe681f11d41e170a880dcc71",
     url = "https://github.com/ethereum/consensus-spec-tests/releases/download/%s/mainnet.tar.gz" % consensus_spec_version,
 )
 
@@ -278,7 +278,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    sha256 = "0a9c110305cbd6ebbe0d942f0f33e6ce22dd484ce4ceed277bf185a091941cde",
+    sha256 = "753d51c6a6cc6df101c897e4bea77f73b271f50aeda74440f412514d4bd88a86",
     strip_prefix = "consensus-specs-" + consensus_spec_version[1:],
     url = "https://github.com/ethereum/consensus-specs/archive/refs/tags/%s.tar.gz" % consensus_spec_version,
 )
@@ -309,9 +309,9 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    sha256 = "126b615e3853e29b61f082f6c89c8bc1c38cd92fb84b0004396fc49e7acc8d9f",
-    strip_prefix = "eth2-networks-f3ccbe0cf5798d5cd23e4e6e7119aefa043c0935",
-    url = "https://github.com/eth-clients/eth2-networks/archive/f3ccbe0cf5798d5cd23e4e6e7119aefa043c0935.tar.gz",
+    sha256 = "82b01a48b143fe0f2fb7fb5f5dd385c1f934335a12d7954f08b1d45d77427b5e",
+    strip_prefix = "eth2-networks-674f7a1d01d9c18345456eab76e3871b3df2126b",
+    url = "https://github.com/eth-clients/eth2-networks/archive/674f7a1d01d9c18345456eab76e3871b3df2126b.tar.gz",
 )
 
 http_archive(
@@ -342,9 +342,9 @@ filegroup(
     visibility = ["//visibility:public"],
 )
 """,
-    sha256 = "98013b40922e54a64996da49b939e0a88fe2456f68eedc5aee4ceba0f8623f71",
+    sha256 = "e0c0b5dc609b3a221e74c720f483c595441f2ad5e38bb8aa3522636039945a6f",
     urls = [
-        "https://github.com/prysmaticlabs/prysm-web-ui/releases/download/v2.0.0/prysm-web-ui.tar.gz",
+        "https://github.com/prysmaticlabs/prysm-web-ui/releases/download/v2.0.1/prysm-web-ui.tar.gz",
     ],
 )
 

api/client/beacon/BUILD.bazel

@@ -8,7 +8,7 @@ go_library(
         "doc.go",
         "errors.go",
     ],
-    importpath = "github.com/prysmaticlabs/prysm/api/client/beacon",
+    importpath = "github.com/prysmaticlabs/prysm/v3/api/client/beacon",
     visibility = ["//visibility:public"],
     deps = [
         "//beacon-chain/core/helpers:go_default_library",

api/client/beacon/checkpoint.go

@@ -6,14 +6,14 @@ import (
 	"path"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/ssz/detect"
-	"github.com/prysmaticlabs/prysm/io/file"
-	"github.com/prysmaticlabs/prysm/runtime/version"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/ssz/detect"
+	"github.com/prysmaticlabs/prysm/v3/io/file"
+	"github.com/prysmaticlabs/prysm/v3/runtime/version"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/mod/semver"
 )
@@ -21,14 +21,13 @@ import (
 // OriginData represents the BeaconState and SignedBeaconBlock necessary to start an empty Beacon Node
 // using Checkpoint Sync.
 type OriginData struct {
-	wsd *WeakSubjectivityData
-	sb  []byte
-	bb  []byte
-	st  state.BeaconState
-	b   interfaces.SignedBeaconBlock
-	vu  *detect.VersionedUnmarshaler
-	br  [32]byte
-	sr  [32]byte
+	sb []byte
+	bb []byte
+	st state.BeaconState
+	b  interfaces.SignedBeaconBlock
+	vu *detect.VersionedUnmarshaler
+	br [32]byte
+	sr [32]byte
 }
 
 // SaveBlock saves the downloaded block to a unique file in the given path.

api/client/beacon/checkpoint_test.go

@@ -10,21 +10,21 @@ import (
 	"net/url"
 	"testing"
 
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	blocktest "github.com/prysmaticlabs/prysm/consensus-types/blocks/testing"
-	"github.com/prysmaticlabs/prysm/network/forks"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/util"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	blocktest "github.com/prysmaticlabs/prysm/v3/consensus-types/blocks/testing"
+	"github.com/prysmaticlabs/prysm/v3/network/forks"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 
-	"github.com/prysmaticlabs/prysm/config/params"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/ssz/detect"
-	"github.com/prysmaticlabs/prysm/runtime/version"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/ssz/detect"
+	"github.com/prysmaticlabs/prysm/v3/runtime/version"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 )
 
 type testRT struct {

api/client/beacon/client.go

@@ -16,14 +16,14 @@ import (
 	"text/template"
 	"time"
 
-	"github.com/prysmaticlabs/prysm/network/forks"
+	"github.com/prysmaticlabs/prysm/v3/network/forks"
 
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/beacon-chain/rpc/apimiddleware"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/rpc/apimiddleware"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -95,8 +95,6 @@ func WithTimeout(timeout time.Duration) ClientOpt {
 // Client provides a collection of helper methods for calling the Eth Beacon Node API endpoints.
 type Client struct {
 	hc      *http.Client
-	host    string
-	scheme  string
 	baseURL *url.URL
 }
 

api/client/beacon/client_test.go

@@ -4,7 +4,7 @@ import (
 	"net/url"
 	"testing"
 
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 )
 
 func TestParseNodeVersion(t *testing.T) {

api/client/builder/BUILD.bazel

@@ -7,7 +7,7 @@ go_library(
         "errors.go",
         "types.go",
     ],
-    importpath = "github.com/prysmaticlabs/prysm/api/client/builder",
+    importpath = "github.com/prysmaticlabs/prysm/v3/api/client/builder",
     visibility = ["//visibility:public"],
     deps = [
         "//consensus-types/primitives:go_default_library",

api/client/builder/client.go

@@ -13,10 +13,10 @@ import (
 	"time"
 
 	"github.com/pkg/errors"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/monitoring/tracing"
-	v1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/monitoring/tracing"
+	v1 "github.com/prysmaticlabs/prysm/v3/proto/engine/v1"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
 	log "github.com/sirupsen/logrus"
 	"go.opencensus.io/trace"
 )
@@ -269,6 +269,7 @@ func (c *Client) Status(ctx context.Context) error {
 
 func non200Err(response *http.Response) error {
 	bodyBytes, err := io.ReadAll(response.Body)
+	var errMessage ErrorMessage
 	var body string
 	if err != nil {
 		body = "(Unable to read response body.)"
@@ -277,9 +278,29 @@ func non200Err(response *http.Response) error {
 	}
 	msg := fmt.Sprintf("code=%d, url=%s, body=%s", response.StatusCode, response.Request.URL, body)
 	switch response.StatusCode {
+	case 204:
+		log.WithError(ErrNoContent).Debug(msg)
+		return ErrNoContent
+	case 400:
+		if jsonErr := json.Unmarshal(bodyBytes, &errMessage); jsonErr != nil {
+			return errors.Wrap(jsonErr, "unable to read response body")
+		}
+		log.WithError(ErrBadRequest).Debug(msg)
+		return errors.Wrap(ErrBadRequest, errMessage.Message)
 	case 404:
-		return errors.Wrap(ErrNotFound, msg)
+		if jsonErr := json.Unmarshal(bodyBytes, &errMessage); jsonErr != nil {
+			return errors.Wrap(jsonErr, "unable to read response body")
+		}
+		log.WithError(ErrNotFound).Debug(msg)
+		return errors.Wrap(ErrNotFound, errMessage.Message)
+	case 500:
+		if jsonErr := json.Unmarshal(bodyBytes, &errMessage); jsonErr != nil {
+			return errors.Wrap(jsonErr, "unable to read response body")
+		}
+		log.WithError(ErrNotOK).Debug(msg)
+		return errors.Wrap(ErrNotOK, errMessage.Message)
 	default:
-		return errors.Wrap(ErrNotOK, msg)
+		log.WithError(ErrNotOK).Debug(msg)
+		return errors.Wrap(ErrNotOK, fmt.Sprintf("unsupported error code: %d", response.StatusCode))
 	}
 }

api/client/builder/client_test.go

@@ -3,6 +3,7 @@ package builder
 import (
 	"bytes"
 	"context"
+	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
@@ -11,12 +12,12 @@ import (
 	"testing"
 
 	"github.com/prysmaticlabs/go-bitfield"
-	"github.com/prysmaticlabs/prysm/config/params"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	v1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
-	eth "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	v1 "github.com/prysmaticlabs/prysm/v3/proto/engine/v1"
+	eth "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 )
 
 type roundtrip func(*http.Request) (*http.Response, error)
@@ -58,9 +59,15 @@ func TestClient_Status(t *testing.T) {
 				require.NoError(t, r.Body.Close())
 			}()
 			require.Equal(t, statusPath, r.URL.Path)
+			message := ErrorMessage{
+				Code:    500,
+				Message: "Internal server error",
+			}
+			resp, err := json.Marshal(message)
+			require.NoError(t, err)
 			return &http.Response{
 				StatusCode: http.StatusInternalServerError,
-				Body:       io.NopCloser(bytes.NewBuffer(nil)),
+				Body:       io.NopCloser(bytes.NewBuffer(resp)),
 				Request:    r.Clone(ctx),
 			}, nil
 		}),
@@ -114,9 +121,15 @@ func TestClient_GetHeader(t *testing.T) {
 	hc := &http.Client{
 		Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 			require.Equal(t, expectedPath, r.URL.Path)
+			message := ErrorMessage{
+				Code:    500,
+				Message: "Internal server error",
+			}
+			resp, err := json.Marshal(message)
+			require.NoError(t, err)
 			return &http.Response{
 				StatusCode: http.StatusInternalServerError,
-				Body:       io.NopCloser(bytes.NewBuffer(nil)),
+				Body:       io.NopCloser(bytes.NewBuffer(resp)),
 				Request:    r.Clone(ctx),
 			}, nil
 		}),
@@ -131,6 +144,23 @@ func TestClient_GetHeader(t *testing.T) {
 	_, err := c.GetHeader(ctx, slot, bytesutil.ToBytes32(parentHash), bytesutil.ToBytes48(pubkey))
 	require.ErrorIs(t, err, ErrNotOK)
 
+	hc = &http.Client{
+		Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
+			require.Equal(t, expectedPath, r.URL.Path)
+			return &http.Response{
+				StatusCode: http.StatusNoContent,
+				Body:       io.NopCloser(bytes.NewBuffer([]byte("No header is available."))),
+				Request:    r.Clone(ctx),
+			}, nil
+		}),
+	}
+	c = &Client{
+		hc:      hc,
+		baseURL: &url.URL{Host: "localhost:3500", Scheme: "http"},
+	}
+	_, err = c.GetHeader(ctx, slot, bytesutil.ToBytes32(parentHash), bytesutil.ToBytes48(pubkey))
+	require.ErrorIs(t, err, ErrNoContent)
+
 	hc = &http.Client{
 		Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 			require.Equal(t, expectedPath, r.URL.Path)

api/client/builder/errors.go

@@ -4,7 +4,14 @@ import "github.com/pkg/errors"
 
 // ErrNotOK is used to indicate when an HTTP request to the Beacon Node API failed with any non-2xx response code.
 // More specific errors may be returned, but an error in reaction to a non-2xx response will always wrap ErrNotOK.
-var ErrNotOK = errors.New("did not receive 2xx response from API")
+var ErrNotOK = errors.New("did not receive 200 response from API")
 
 // ErrNotFound specifically means that a '404 - NOT FOUND' response was received from the API.
 var ErrNotFound = errors.Wrap(ErrNotOK, "recv 404 NotFound response from API")
+
+// ErrBadRequest specifically means that a '400 - BAD REQUEST' response was received from the API.
+var ErrBadRequest = errors.Wrap(ErrNotOK, "recv 400 BadRequest response from API")
+
+// ErrNoContent specifically means that a '204 - No Content' response was received from the API.
+// Typically, a 204 is a success but in this case for the Header API means No header is available
+var ErrNoContent = errors.New("recv 204 no content response from API, No header is available")

api/client/builder/types.go

@@ -8,9 +8,9 @@ import (
 
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	v1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
-	eth "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	v1 "github.com/prysmaticlabs/prysm/v3/proto/engine/v1"
+	eth "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
 )
 
 type SignedValidatorRegistration struct {
@@ -626,3 +626,9 @@ func (b *BlindedBeaconBlockBodyBellatrix) MarshalJSON() ([]byte, error) {
 		ExecutionPayloadHeader: &ExecutionPayloadHeader{ExecutionPayloadHeader: b.BlindedBeaconBlockBodyBellatrix.ExecutionPayloadHeader},
 	})
 }
+
+type ErrorMessage struct {
+	Code        int      `json:"code"`
+	Message     string   `json:"message"`
+	Stacktraces []string `json:"stacktraces,omitempty"`
+}

api/client/builder/types_test.go

@@ -4,16 +4,19 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
+	"io"
 	"math/big"
+	"net/http"
+	"net/url"
 	"os"
 	"testing"
 
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/golang/protobuf/proto"
 	"github.com/prysmaticlabs/go-bitfield"
-	v1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
-	eth "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	v1 "github.com/prysmaticlabs/prysm/v3/proto/engine/v1"
+	eth "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 )
 
 func ezDecode(t *testing.T, s string) []byte {
@@ -735,3 +738,92 @@ func TestExecutionPayloadHeaderRoundtrip(t *testing.T) {
 	require.NoError(t, err)
 	require.DeepEqual(t, string(expected[0:len(expected)-1]), string(m))
 }
+
+func TestErrorMessage_non200Err(t *testing.T) {
+	mockRequest := &http.Request{
+		URL: &url.URL{Path: "example.com"},
+	}
+	tests := []struct {
+		name        string
+		args        *http.Response
+		wantMessage string
+	}{
+		{
+			name: "204",
+			args: func() *http.Response {
+				message := ErrorMessage{
+					Code:    204,
+					Message: "No header is available",
+				}
+				r, err := json.Marshal(message)
+				require.NoError(t, err)
+				return &http.Response{
+					Request:    mockRequest,
+					StatusCode: 204,
+					Body:       io.NopCloser(bytes.NewReader(r)),
+				}
+			}(),
+			wantMessage: "No header is available",
+		},
+		{
+			name: "400",
+			args: func() *http.Response {
+				message := ErrorMessage{
+					Code:    400,
+					Message: "Unknown hash: missing parent hash",
+				}
+				r, err := json.Marshal(message)
+				require.NoError(t, err)
+				return &http.Response{
+					Request:    mockRequest,
+					StatusCode: 400,
+					Body:       io.NopCloser(bytes.NewReader(r)),
+				}
+			}(),
+			wantMessage: "Unknown hash: missing parent hash",
+		},
+		{
+			name: "500",
+			args: func() *http.Response {
+				message := ErrorMessage{
+					Code:    500,
+					Message: "Internal server error",
+				}
+				r, err := json.Marshal(message)
+				require.NoError(t, err)
+				return &http.Response{
+					Request:    mockRequest,
+					StatusCode: 500,
+					Body:       io.NopCloser(bytes.NewReader(r)),
+				}
+			}(),
+			wantMessage: "Internal server error",
+		},
+		{
+			name: "205",
+			args: func() *http.Response {
+				message := ErrorMessage{
+					Code:    205,
+					Message: "Reset Content",
+				}
+				r, err := json.Marshal(message)
+				require.NoError(t, err)
+				return &http.Response{
+					Request:    mockRequest,
+					StatusCode: 205,
+					Body:       io.NopCloser(bytes.NewReader(r)),
+				}
+			}(),
+			wantMessage: "did not receive 200 response from API",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := non200Err(tt.args)
+			if err != nil && tt.wantMessage != "" {
+				require.ErrorContains(t, tt.wantMessage, err)
+			}
+		})
+	}
+
+}

api/gateway/BUILD.bazel

@@ -8,7 +8,7 @@ go_library(
         "modifiers.go",
         "options.go",
     ],
-    importpath = "github.com/prysmaticlabs/prysm/api/gateway",
+    importpath = "github.com/prysmaticlabs/prysm/v3/api/gateway",
     visibility = [
         "//beacon-chain:__subpackages__",
         "//validator:__subpackages__",

api/gateway/apimiddleware/BUILD.bazel

@@ -10,7 +10,7 @@ go_library(
         "process_request.go",
         "structs.go",
     ],
-    importpath = "github.com/prysmaticlabs/prysm/api/gateway/apimiddleware",
+    importpath = "github.com/prysmaticlabs/prysm/v3/api/gateway/apimiddleware",
     visibility = ["//visibility:public"],
     deps = [
         "//api/grpc:go_default_library",

api/gateway/apimiddleware/param_handling.go

@@ -7,7 +7,7 @@ import (
 	"strings"
 
 	"github.com/gorilla/mux"
-	butil "github.com/prysmaticlabs/prysm/encoding/bytesutil"
+	butil "github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
 	"github.com/wealdtech/go-bytesutil"
 )
 

api/gateway/apimiddleware/param_handling_test.go

@@ -6,8 +6,8 @@ import (
 	"testing"
 
 	"github.com/gorilla/mux"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 )
 
 func TestHandleURLParameters(t *testing.T) {

api/gateway/apimiddleware/process_request.go

@@ -10,7 +10,7 @@ import (
 	"strings"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/api/grpc"
+	"github.com/prysmaticlabs/prysm/v3/api/grpc"
 )
 
 // DeserializeRequestBodyIntoContainer deserializes the request's body into an endpoint-specific struct.

api/gateway/apimiddleware/process_request_test.go

@@ -8,9 +8,9 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/prysmaticlabs/prysm/api/grpc"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/api/grpc"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 	"github.com/sirupsen/logrus/hooks/test"
 )
 

api/gateway/gateway.go

@@ -13,8 +13,8 @@ import (
 	"github.com/gorilla/mux"
 	gwruntime "github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/api/gateway/apimiddleware"
-	"github.com/prysmaticlabs/prysm/runtime"
+	"github.com/prysmaticlabs/prysm/v3/api/gateway/apimiddleware"
+	"github.com/prysmaticlabs/prysm/v3/runtime"
 	"github.com/rs/cors"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/connectivity"

api/gateway/gateway_test.go

@@ -10,10 +10,10 @@ import (
 	"testing"
 
 	"github.com/gorilla/mux"
-	"github.com/prysmaticlabs/prysm/api/gateway/apimiddleware"
-	"github.com/prysmaticlabs/prysm/cmd/beacon-chain/flags"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/api/gateway/apimiddleware"
+	"github.com/prysmaticlabs/prysm/v3/cmd/beacon-chain/flags"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 	"github.com/urfave/cli/v2"
 )

api/gateway/options.go

@@ -5,7 +5,7 @@ import (
 
 	"github.com/gorilla/mux"
 	gwruntime "github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
-	"github.com/prysmaticlabs/prysm/api/gateway/apimiddleware"
+	"github.com/prysmaticlabs/prysm/v3/api/gateway/apimiddleware"
 )
 
 type Option func(g *Gateway) error

api/grpc/BUILD.bazel

@@ -6,7 +6,7 @@ go_library(
         "grpcutils.go",
         "parameters.go",
     ],
-    importpath = "github.com/prysmaticlabs/prysm/api/grpc",
+    importpath = "github.com/prysmaticlabs/prysm/v3/api/grpc",
     visibility = ["//visibility:public"],
     deps = [
         "@com_github_sirupsen_logrus//:go_default_library",

api/grpc/grpcutils_test.go

@@ -7,8 +7,8 @@ import (
 	"testing"
 
 	"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/metadata"

api/pagination/BUILD.bazel

@@ -3,7 +3,7 @@ load("@prysm//tools/go:def.bzl", "go_library", "go_test")
 go_library(
     name = "go_default_library",
     srcs = ["pagination.go"],
-    importpath = "github.com/prysmaticlabs/prysm/api/pagination",
+    importpath = "github.com/prysmaticlabs/prysm/v3/api/pagination",
     visibility = ["//visibility:public"],
     deps = [
         "//config/params:go_default_library",

api/pagination/pagination.go

@@ -6,7 +6,7 @@ import (
 	"strconv"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/config/params"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
 )
 
 // StartAndEndPage takes in the requested page token, wanted page size, total page size.

api/pagination/pagination_test.go

@@ -3,9 +3,9 @@ package pagination_test
 import (
 	"testing"
 
-	"github.com/prysmaticlabs/prysm/api/pagination"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/api/pagination"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 )
 
 func TestStartAndEndPage(t *testing.T) {

async/BUILD.bazel

@@ -8,7 +8,7 @@ go_library(
         "multilock.go",
         "scatter.go",
     ],
-    importpath = "github.com/prysmaticlabs/prysm/async",
+    importpath = "github.com/prysmaticlabs/prysm/v3/async",
     visibility = ["//visibility:public"],
     deps = ["@com_github_sirupsen_logrus//:go_default_library"],
 )

async/abool/BUILD.bazel

@@ -3,7 +3,7 @@ load("@prysm//tools/go:def.bzl", "go_library", "go_test")
 go_library(
     name = "go_default_library",
     srcs = ["abool.go"],
-    importpath = "github.com/prysmaticlabs/prysm/async/abool",
+    importpath = "github.com/prysmaticlabs/prysm/v3/async/abool",
     visibility = ["//visibility:public"],
 )
 

async/benchmark_test.go

@@ -6,8 +6,8 @@ import (
 	"sync"
 	"testing"
 
-	"github.com/prysmaticlabs/prysm/async"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/async"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 	log "github.com/sirupsen/logrus"
 )
 

async/debounce_test.go

@@ -7,10 +7,10 @@ import (
 	"testing"
 	"time"
 
-	"github.com/prysmaticlabs/prysm/async"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
+	"github.com/prysmaticlabs/prysm/v3/async"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
 )
 
 func TestDebounce_NoEvents(t *testing.T) {

async/event/BUILD.bazel

@@ -6,7 +6,7 @@ go_library(
         "feed.go",
         "subscription.go",
     ],
-    importpath = "github.com/prysmaticlabs/prysm/async/event",
+    importpath = "github.com/prysmaticlabs/prysm/v3/async/event",
     visibility = ["//visibility:public"],
     deps = ["//time/mclock:go_default_library"],
 )

async/event/example_feed_test.go

@@ -19,7 +19,7 @@ package event_test
 import (
 	"fmt"
 
-	"github.com/prysmaticlabs/prysm/async/event"
+	"github.com/prysmaticlabs/prysm/v3/async/event"
 )
 
 func ExampleFeed_acknowledgedEvents() {

async/event/example_scope_test.go

@@ -20,7 +20,7 @@ import (
 	"fmt"
 	"sync"
 
-	"github.com/prysmaticlabs/prysm/async/event"
+	"github.com/prysmaticlabs/prysm/v3/async/event"
 )
 
 // This example demonstrates how SubscriptionScope can be used to control the lifetime of

async/event/example_subscription_test.go

@@ -19,7 +19,7 @@ package event_test
 import (
 	"fmt"
 
-	"github.com/prysmaticlabs/prysm/async/event"
+	"github.com/prysmaticlabs/prysm/v3/async/event"
 )
 
 func ExampleNewSubscription() {

async/event/feed_test.go

@@ -23,7 +23,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/prysmaticlabs/prysm/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
 )
 
 func TestFeedPanics(t *testing.T) {

async/event/subscription.go

@@ -21,7 +21,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/prysmaticlabs/prysm/time/mclock"
+	"github.com/prysmaticlabs/prysm/v3/time/mclock"
 )
 
 // waitQuotient is divided against the max backoff time, in order to have N requests based on the full

async/event/subscription_test.go

@@ -23,7 +23,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 )
 
 var errInts = errors.New("error in subscribeInts")

async/every_test.go

@@ -6,7 +6,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/prysmaticlabs/prysm/async"
+	"github.com/prysmaticlabs/prysm/v3/async"
 )
 
 func TestEveryRuns(t *testing.T) {

async/scatter_test.go

@@ -5,9 +5,9 @@ import (
 	"sync"
 	"testing"
 
-	"github.com/prysmaticlabs/prysm/async"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/async"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 )
 
 func TestDouble(t *testing.T) {

beacon-chain/blockchain/BUILD.bazel

@@ -24,7 +24,7 @@ go_library(
         "state_balance_cache.go",
         "weak_subjectivity_checks.go",
     ],
-    importpath = "github.com/prysmaticlabs/prysm/beacon-chain/blockchain",
+    importpath = "github.com/prysmaticlabs/prysm/v3/beacon-chain/blockchain",
     visibility = [
         "//beacon-chain:__subpackages__",
         "//cmd/beacon-chain:__subpackages__",
@@ -59,7 +59,6 @@ go_library(
         "//beacon-chain/p2p:go_default_library",
         "//beacon-chain/state:go_default_library",
         "//beacon-chain/state/stategen:go_default_library",
-        "//cmd/beacon-chain/flags:go_default_library",
         "//config/features:go_default_library",
         "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",

beacon-chain/blockchain/chain_info.go

@@ -5,18 +5,18 @@ import (
 	"context"
 	"time"
 
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice"
-	doublylinkedtree "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/doubly-linked-tree"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice"
+	doublylinkedtree "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/protoarray"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	fieldparams "github.com/prysmaticlabs/prysm/v3/config/fieldparams"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	"go.opencensus.io/trace"
 )
 
@@ -25,10 +25,8 @@ import (
 type ChainInfoFetcher interface {
 	HeadFetcher
 	FinalizationFetcher
-	GenesisFetcher
 	CanonicalFetcher
 	ForkFetcher
-	TimeFetcher
 	HeadDomainFetcher
 }
 
@@ -70,6 +68,8 @@ type HeadFetcher interface {
 type ForkFetcher interface {
 	ForkChoicer() forkchoice.ForkChoicer
 	CurrentFork() *ethpb.Fork
+	GenesisFetcher
+	TimeFetcher
 }
 
 // CanonicalFetcher retrieves the current chain's canonical information.

beacon-chain/blockchain/chain_info_norace_test.go

@@ -4,12 +4,12 @@ import (
 	"context"
 	"testing"
 
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
 )
 
 func TestHeadSlot_DataRace(t *testing.T) {

beacon-chain/blockchain/chain_info_test.go

@@ -5,24 +5,24 @@ import (
 	"testing"
 	"time"
 
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	doublylinkedtree "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/doubly-linked-tree"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
-	forkchoicetypes "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/types"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
-	v1 "github.com/prysmaticlabs/prysm/beacon-chain/state/v1"
-	v3 "github.com/prysmaticlabs/prysm/beacon-chain/state/v3"
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	enginev1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	doublylinkedtree "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/protoarray"
+	forkchoicetypes "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/types"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
+	v1 "github.com/prysmaticlabs/prysm/v3/beacon-chain/state/v1"
+	v3 "github.com/prysmaticlabs/prysm/v3/beacon-chain/state/v3"
+	fieldparams "github.com/prysmaticlabs/prysm/v3/config/fieldparams"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	enginev1 "github.com/prysmaticlabs/prysm/v3/proto/engine/v1"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
 	"google.golang.org/protobuf/proto"
 )
 
@@ -82,7 +82,7 @@ func TestService_ForkChoiceStore(t *testing.T) {
 func TestFinalizedCheckpt_GenesisRootOk(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithForkChoiceStore(fcs),
@@ -107,7 +107,7 @@ func TestFinalizedCheckpt_GenesisRootOk(t *testing.T) {
 func TestCurrentJustifiedCheckpt_CanRetrieve(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithForkChoiceStore(fcs),
@@ -134,7 +134,7 @@ func TestHeadSlot_CanRetrieve(t *testing.T) {
 func TestHeadRoot_CanRetrieve(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithForkChoiceStore(fcs),
@@ -153,7 +153,7 @@ func TestHeadRoot_CanRetrieve(t *testing.T) {
 func TestHeadRoot_UseDB(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithForkChoiceStore(fcs),
@@ -364,7 +364,7 @@ func TestService_ChainHeads_DoublyLinkedTree(t *testing.T) {
 
 	roots, slots := c.ChainHeads()
 	require.Equal(t, 3, len(roots))
-	rootMap := map[[32]byte]types.Slot{[32]byte{'c'}: 102, [32]byte{'d'}: 103, [32]byte{'e'}: 104}
+	rootMap := map[[32]byte]types.Slot{{'c'}: 102, {'d'}: 103, {'e'}: 104}
 	for i, root := range roots {
 		slot, ok := rootMap[root]
 		require.Equal(t, true, ok)

beacon-chain/blockchain/error_test.go

@@ -4,7 +4,7 @@ import (
 	"testing"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 )
 
 func TestIsInvalidBlock(t *testing.T) {

beacon-chain/blockchain/execution_engine.go

@@ -5,20 +5,20 @@ import (
 	"fmt"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/blocks"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/time"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/transition"
-	"github.com/prysmaticlabs/prysm/beacon-chain/db/kv"
-	"github.com/prysmaticlabs/prysm/beacon-chain/execution"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/config/params"
-	consensusblocks "github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	enginev1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/blocks"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/time"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/transition"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/db/kv"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/execution"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	consensusblocks "github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	enginev1 "github.com/prysmaticlabs/prysm/v3/proto/engine/v1"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	"github.com/sirupsen/logrus"
 	"go.opencensus.io/trace"
 )
@@ -89,7 +89,7 @@ func (s *Service) notifyForkchoiceUpdate(ctx context.Context, arg *notifyForkcho
 			}
 			return payloadID, nil
 		case execution.ErrInvalidPayloadStatus:
-			newPayloadInvalidNodeCount.Inc()
+			forkchoiceUpdatedInvalidNodeCount.Inc()
 			headRoot := arg.headRoot
 			if len(lastValidHash) == 0 {
 				lastValidHash = defaultLatestValidHash
@@ -157,7 +157,7 @@ func (s *Service) notifyForkchoiceUpdate(ctx context.Context, arg *notifyForkcho
 	if hasAttr && payloadID != nil { // If the forkchoice update call has an attribute, update the proposer payload ID cache.
 		var pId [8]byte
 		copy(pId[:], payloadID[:])
-		s.cfg.ProposerSlotIndexCache.SetProposerAndPayloadIDs(nextSlot, proposerId, pId)
+		s.cfg.ProposerSlotIndexCache.SetProposerAndPayloadIDs(nextSlot, proposerId, pId, arg.headRoot)
 	} else if hasAttr && payloadID == nil {
 		log.WithFields(logrus.Fields{
 			"blockHash": fmt.Sprintf("%#x", headPayload.BlockHash()),
@@ -287,7 +287,8 @@ func (s *Service) optimisticCandidateBlock(ctx context.Context, blk interfaces.B
 // getPayloadAttributes returns the payload attributes for the given state and slot.
 // The attribute is required to initiate a payload build process in the context of an `engine_forkchoiceUpdated` call.
 func (s *Service) getPayloadAttribute(ctx context.Context, st state.BeaconState, slot types.Slot) (bool, *enginev1.PayloadAttributes, types.ValidatorIndex, error) {
-	proposerID, _, ok := s.cfg.ProposerSlotIndexCache.GetProposerPayloadIDs(slot)
+	// Root is `[32]byte{}` since we are retrieving proposer ID of a given slot. During insertion at assignment the root was not known.
+	proposerID, _, ok := s.cfg.ProposerSlotIndexCache.GetProposerPayloadIDs(slot, [32]byte{} /* root */)
 	if !ok { // There's no need to build attribute if there is no proposer for slot.
 		return false, nil, 0, nil
 	}

beacon-chain/blockchain/execution_engine_test.go

@@ -7,27 +7,27 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	gethtypes "github.com/ethereum/go-ethereum/core/types"
-	"github.com/prysmaticlabs/prysm/beacon-chain/cache"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/blocks"
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/execution"
-	mockExecution "github.com/prysmaticlabs/prysm/beacon-chain/execution/testing"
-	doublylinkedtree "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/doubly-linked-tree"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
-	forkchoicetypes "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/types"
-	bstate "github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	"github.com/prysmaticlabs/prysm/config/params"
-	consensusblocks "github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	v1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/blocks"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/execution"
+	mockExecution "github.com/prysmaticlabs/prysm/v3/beacon-chain/execution/testing"
+	doublylinkedtree "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/protoarray"
+	forkchoicetypes "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/types"
+	bstate "github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
+	fieldparams "github.com/prysmaticlabs/prysm/v3/config/fieldparams"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	consensusblocks "github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	v1 "github.com/prysmaticlabs/prysm/v3/proto/engine/v1"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 )
 
@@ -41,7 +41,7 @@ func Test_NotifyForkchoiceUpdate(t *testing.T) {
 	bellatrixBlk := util.SaveBlock(t, ctx, beaconDB, util.NewBeaconBlockBellatrix())
 	bellatrixBlkRoot, err := bellatrixBlk.Block().HashTreeRoot()
 	require.NoError(t, err)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithStateGen(stategen.New(beaconDB)),
@@ -575,7 +575,7 @@ func Test_NotifyNewPayload(t *testing.T) {
 
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithStateGen(stategen.New(beaconDB)),
@@ -795,7 +795,7 @@ func Test_NotifyNewPayload(t *testing.T) {
 			}
 			service.cfg.ExecutionEngineCaller = e
 			root := [32]byte{'a'}
-			state, blkRoot, err := prepareForkchoiceState(ctx, 0, root, root, params.BeaconConfig().ZeroHash, ojc, ofc)
+			state, blkRoot, err := prepareForkchoiceState(ctx, 0, root, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
 			require.NoError(t, err)
 			require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, state, blkRoot))
 			postVersion, postHeader, err := getStateVersionAndPayload(tt.postState)
@@ -821,7 +821,7 @@ func Test_NotifyNewPayload_SetOptimisticToValid(t *testing.T) {
 	params.OverrideBeaconConfig(cfg)
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithStateGen(stategen.New(beaconDB)),
@@ -868,7 +868,7 @@ func Test_IsOptimisticCandidateBlock(t *testing.T) {
 
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithStateGen(stategen.New(beaconDB)),
@@ -1031,7 +1031,7 @@ func Test_GetPayloadAttribute(t *testing.T) {
 	// Cache hit, advance state, no fee recipient
 	suggestedVid := types.ValidatorIndex(1)
 	slot := types.Slot(1)
-	service.cfg.ProposerSlotIndexCache.SetProposerAndPayloadIDs(slot, suggestedVid, [8]byte{})
+	service.cfg.ProposerSlotIndexCache.SetProposerAndPayloadIDs(slot, suggestedVid, [8]byte{}, [32]byte{})
 	st, _ := util.DeterministicGenesisState(t, 1)
 	hook := logTest.NewGlobal()
 	hasPayload, attr, vId, err := service.getPayloadAttribute(ctx, st, slot)
@@ -1044,7 +1044,7 @@ func Test_GetPayloadAttribute(t *testing.T) {
 	// Cache hit, advance state, has fee recipient
 	suggestedAddr := common.HexToAddress("123")
 	require.NoError(t, service.cfg.BeaconDB.SaveFeeRecipientsByValidatorIDs(ctx, []types.ValidatorIndex{suggestedVid}, []common.Address{suggestedAddr}))
-	service.cfg.ProposerSlotIndexCache.SetProposerAndPayloadIDs(slot, suggestedVid, [8]byte{})
+	service.cfg.ProposerSlotIndexCache.SetProposerAndPayloadIDs(slot, suggestedVid, [8]byte{}, [32]byte{})
 	hasPayload, attr, vId, err = service.getPayloadAttribute(ctx, st, slot)
 	require.NoError(t, err)
 	require.Equal(t, true, hasPayload)
@@ -1155,6 +1155,18 @@ func Test_UpdateLastValidatedCheckpoint(t *testing.T) {
 	require.Equal(t, false, optimistic)
 	require.DeepEqual(t, validCheckpoint.Root, cp.Root)
 	require.Equal(t, validCheckpoint.Epoch, cp.Epoch)
+
+	// Checkpoint with a lower epoch
+	oldCp, err := service.cfg.BeaconDB.FinalizedCheckpoint(ctx)
+	require.NoError(t, err)
+	invalidCp := &ethpb.Checkpoint{
+		Epoch: oldCp.Epoch - 1,
+	}
+	// Nothing should happen as we no-op on an invalid checkpoint.
+	require.NoError(t, service.updateFinalized(ctx, invalidCp))
+	got, err := service.cfg.BeaconDB.FinalizedCheckpoint(ctx)
+	require.NoError(t, err)
+	require.DeepEqual(t, oldCp, got)
 }
 
 func TestService_removeInvalidBlockAndState(t *testing.T) {
@@ -1163,7 +1175,7 @@ func TestService_removeInvalidBlockAndState(t *testing.T) {
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithStateGen(stategen.New(beaconDB)),
-		WithForkChoiceStore(protoarray.New()),
+		WithForkChoiceStore(doublylinkedtree.New()),
 	}
 	service, err := NewService(ctx, opts...)
 	require.NoError(t, err)
@@ -1215,7 +1227,7 @@ func TestService_getPayloadHash(t *testing.T) {
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithStateGen(stategen.New(beaconDB)),
-		WithForkChoiceStore(protoarray.New()),
+		WithForkChoiceStore(doublylinkedtree.New()),
 	}
 	service, err := NewService(ctx, opts...)
 	require.NoError(t, err)

beacon-chain/blockchain/head.go

@@ -6,19 +6,20 @@ import (
 	"fmt"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/feed"
-	statefeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpbv1 "github.com/prysmaticlabs/prysm/proto/eth/v1"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed"
+	statefeed "github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	fieldparams "github.com/prysmaticlabs/prysm/v3/config/fieldparams"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	"github.com/prysmaticlabs/prysm/v3/math"
+	ethpbv1 "github.com/prysmaticlabs/prysm/v3/proto/eth/v1"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	"github.com/sirupsen/logrus"
 	"go.opencensus.io/trace"
 )
@@ -87,7 +88,6 @@ func (s *Service) saveHead(ctx context.Context, newHeadRoot [32]byte, headBlock
 		return nil
 	}
 
-	// A chain re-org occurred, so we fire an event notifying the rest of the services.
 	s.headLock.RLock()
 	oldHeadBlock, err := s.headBlock()
 	if err != nil {
@@ -98,12 +98,23 @@ func (s *Service) saveHead(ctx context.Context, newHeadRoot [32]byte, headBlock
 	headSlot := s.HeadSlot()
 	newHeadSlot := headBlock.Block().Slot()
 	newStateRoot := headBlock.Block().StateRoot()
+
+	// A chain re-org occurred, so we fire an event notifying the rest of the services.
 	if bytesutil.ToBytes32(headBlock.Block().ParentRoot()) != oldHeadRoot {
+		commonRoot, forkSlot, err := s.ForkChoicer().CommonAncestor(ctx, oldHeadRoot, newHeadRoot)
+		if err != nil {
+			log.WithError(err).Error("Could not find common ancestor root")
+			commonRoot = params.BeaconConfig().ZeroHash
+		}
 		log.WithFields(logrus.Fields{
-			"newSlot": fmt.Sprintf("%d", newHeadSlot),
-			"oldSlot": fmt.Sprintf("%d", headSlot),
-		}).Debug("Chain reorg occurred")
-		absoluteSlotDifference := slots.AbsoluteValueSlotDifference(newHeadSlot, headSlot)
+			"newSlot":            fmt.Sprintf("%d", newHeadSlot),
+			"newRoot":            fmt.Sprintf("%#x", newHeadRoot),
+			"oldSlot":            fmt.Sprintf("%d", headSlot),
+			"oldRoot":            fmt.Sprintf("%#x", oldHeadRoot),
+			"commonAncestorRoot": fmt.Sprintf("%#x", commonRoot),
+			"distance":           headSlot + newHeadSlot - 2*forkSlot,
+			"depth":              math.Max(uint64(headSlot-forkSlot), uint64(newHeadSlot-forkSlot)),
+		}).Info("Chain reorg occurred")
 		isOptimistic, err := s.IsOptimistic(ctx)
 		if err != nil {
 			return errors.Wrap(err, "could not check if node is optimistically synced")
@@ -112,7 +123,7 @@ func (s *Service) saveHead(ctx context.Context, newHeadRoot [32]byte, headBlock
 			Type: statefeed.Reorg,
 			Data: &ethpbv1.EventChainReorg{
 				Slot:                newHeadSlot,
-				Depth:               absoluteSlotDifference,
+				Depth:               math.Max(uint64(headSlot-forkSlot), uint64(newHeadSlot-forkSlot)),
 				OldHeadBlock:        oldHeadRoot[:],
 				NewHeadBlock:        newHeadRoot[:],
 				OldHeadState:        oldStateRoot,
@@ -333,7 +344,7 @@ func (s *Service) notifyNewHeadEvent(
 // This saves the attestations between `orphanedRoot` and the common ancestor root that is derived using `newHeadRoot`.
 // It also filters out the attestations that is one epoch older as a defense so invalid attestations don't flow into the attestation pool.
 func (s *Service) saveOrphanedAtts(ctx context.Context, orphanedRoot [32]byte, newHeadRoot [32]byte) error {
-	commonAncestorRoot, err := s.ForkChoicer().CommonAncestorRoot(ctx, newHeadRoot, orphanedRoot)
+	commonAncestorRoot, _, err := s.ForkChoicer().CommonAncestor(ctx, newHeadRoot, orphanedRoot)
 	switch {
 	// Exit early if there's no common ancestor and root doesn't exist, there would be nothing to save.
 	case errors.Is(err, forkchoice.ErrUnknownCommonAncestor):

beacon-chain/blockchain/head_sync_committee_info.go

@@ -5,17 +5,17 @@ import (
 	"fmt"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/async"
-	"github.com/prysmaticlabs/prysm/beacon-chain/cache"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/altair"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/signing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/transition"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/config/params"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/async"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/altair"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/signing"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/transition"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 )
 
 // Initialize the state cache for sync committees.

beacon-chain/blockchain/head_sync_committee_info_test.go

@@ -4,15 +4,15 @@ import (
 	"context"
 	"testing"
 
-	"github.com/prysmaticlabs/prysm/beacon-chain/cache"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/signing"
-	dbtest "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
-	"github.com/prysmaticlabs/prysm/config/params"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/signing"
+	dbtest "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 )
 
 func TestService_headSyncCommitteeFetcher_Errors(t *testing.T) {

beacon-chain/blockchain/head_test.go

@@ -7,21 +7,22 @@ import (
 	"testing"
 	"time"
 
-	mock "github.com/prysmaticlabs/prysm/beacon-chain/blockchain/testing"
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	doublylinkedtree "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/doubly-linked-tree"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
-	"github.com/prysmaticlabs/prysm/config/features"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpbv1 "github.com/prysmaticlabs/prysm/proto/eth/v1"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	mock "github.com/prysmaticlabs/prysm/v3/beacon-chain/blockchain/testing"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	doublylinkedtree "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/protoarray"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
+	"github.com/prysmaticlabs/prysm/v3/config/features"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpbv1 "github.com/prysmaticlabs/prysm/v3/proto/eth/v1"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 )
 
@@ -65,6 +66,10 @@ func TestSaveHead_Different(t *testing.T) {
 	wsb := util.SaveBlock(t, context.Background(), service.cfg.BeaconDB, newHeadSignedBlock)
 	newRoot, err := newHeadBlock.HashTreeRoot()
 	require.NoError(t, err)
+	state, blkRoot, err = prepareForkchoiceState(ctx, wsb.Block().Slot()-1, bytesutil.ToBytes32(wsb.Block().ParentRoot()), service.cfg.ForkChoiceStore.CachedHeadRoot(), [32]byte{}, ojc, ofc)
+	require.NoError(t, err)
+	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, state, blkRoot))
+
 	state, blkRoot, err = prepareForkchoiceState(ctx, wsb.Block().Slot(), newRoot, bytesutil.ToBytes32(wsb.Block().ParentRoot()), [32]byte{}, ojc, ofc)
 	require.NoError(t, err)
 	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, state, blkRoot))
@@ -109,6 +114,10 @@ func TestSaveHead_Different_Reorg(t *testing.T) {
 	}
 
 	reorgChainParent := [32]byte{'B'}
+	state, blkRoot, err = prepareForkchoiceState(ctx, 0, reorgChainParent, oldRoot, bytesutil.ToBytes32(oldBlock.Block().ParentRoot()), ojc, ofc)
+	require.NoError(t, err)
+	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, state, blkRoot))
+
 	newHeadSignedBlock := util.NewBeaconBlock()
 	newHeadSignedBlock.Block.Slot = 1
 	newHeadSignedBlock.Block.ParentRoot = reorgChainParent[:]
@@ -141,6 +150,8 @@ func TestSaveHead_Different_Reorg(t *testing.T) {
 	assert.DeepEqual(t, newHeadSignedBlock, pb, "Head did not change")
 	assert.DeepSSZEqual(t, headState.CloneInnerState(), service.headState(ctx).CloneInnerState(), "Head did not change")
 	require.LogsContain(t, hook, "Chain reorg occurred")
+	require.LogsContain(t, hook, "distance=1")
+	require.LogsContain(t, hook, "depth=1")
 }
 
 func TestCacheJustifiedStateBalances_CanCache(t *testing.T) {
@@ -223,10 +234,14 @@ func Test_notifyNewHeadEvent(t *testing.T) {
 	})
 }
 
-func TestSaveOrphanedAtts_NoCommonAncestor(t *testing.T) {
+func TestSaveOrphanedAtts_NoCommonAncestor_Protoarray(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 	service := setupBeaconChain(t, beaconDB)
+	// this test does not make sense in doubly linked tree since it enforces
+	// that the finalized node is a common ancestor
+	service.cfg.ForkChoiceStore = protoarray.New()
+
 	service.genesisTime = time.Now().Add(time.Duration(-10*int64(1)*int64(params.BeaconConfig().SecondsPerSlot)) * time.Second)
 
 	// Chain setup
@@ -392,68 +407,9 @@ func TestSaveOrphanedAtts_CanFilter(t *testing.T) {
 	require.Equal(t, 0, service.cfg.AttPool.AggregatedAttestationCount())
 }
 
-func TestSaveOrphanedAtts_NoCommonAncestor_DoublyLinkedTrie(t *testing.T) {
-	resetCfg := features.InitWithReset(&features.Flags{
-		EnableForkChoiceDoublyLinkedTree: true,
-	})
-	defer resetCfg()
-
-	ctx := context.Background()
-	beaconDB := testDB.SetupDB(t)
-	service := setupBeaconChain(t, beaconDB)
-	service.genesisTime = time.Now().Add(time.Duration(-10*int64(1)*int64(params.BeaconConfig().SecondsPerSlot)) * time.Second)
-
-	// Chain setup
-	// 0 -- 1 -- 2 -- 3
-	//    -4
-	st, keys := util.DeterministicGenesisState(t, 64)
-	blkG, err := util.GenerateFullBlock(st, keys, util.DefaultBlockGenConfig(), 0)
-	assert.NoError(t, err)
-	util.SaveBlock(t, ctx, service.cfg.BeaconDB, blkG)
-	rG, err := blkG.Block.HashTreeRoot()
-	require.NoError(t, err)
-
-	blk1, err := util.GenerateFullBlock(st, keys, util.DefaultBlockGenConfig(), 1)
-	assert.NoError(t, err)
-	blk1.Block.ParentRoot = rG[:]
-	r1, err := blk1.Block.HashTreeRoot()
-	require.NoError(t, err)
-
-	blk2, err := util.GenerateFullBlock(st, keys, util.DefaultBlockGenConfig(), 2)
-	assert.NoError(t, err)
-	blk2.Block.ParentRoot = r1[:]
-	r2, err := blk2.Block.HashTreeRoot()
-	require.NoError(t, err)
-
-	blk3, err := util.GenerateFullBlock(st, keys, util.DefaultBlockGenConfig(), 3)
-	assert.NoError(t, err)
-	blk3.Block.ParentRoot = r2[:]
-	r3, err := blk3.Block.HashTreeRoot()
-	require.NoError(t, err)
-
-	blk4 := util.NewBeaconBlock()
-	blk4.Block.Slot = 4
-	r4, err := blk4.Block.HashTreeRoot()
-	require.NoError(t, err)
-
-	ojc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
-	ofc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
-	for _, blk := range []*ethpb.SignedBeaconBlock{blkG, blk1, blk2, blk3, blk4} {
-		r, err := blk.Block.HashTreeRoot()
-		require.NoError(t, err)
-		state, blkRoot, err := prepareForkchoiceState(ctx, blk.Block.Slot, r, bytesutil.ToBytes32(blk.Block.ParentRoot), [32]byte{}, ojc, ofc)
-		require.NoError(t, err)
-		require.NoError(t, service.ForkChoicer().InsertNode(ctx, state, blkRoot))
-		util.SaveBlock(t, ctx, beaconDB, blk)
-	}
-
-	require.NoError(t, service.saveOrphanedAtts(ctx, r3, r4))
-	require.Equal(t, 0, service.cfg.AttPool.AggregatedAttestationCount())
-}
-
 func TestSaveOrphanedAtts_DoublyLinkedTrie(t *testing.T) {
 	resetCfg := features.InitWithReset(&features.Flags{
-		EnableForkChoiceDoublyLinkedTree: true,
+		DisableForkchoiceDoublyLinkedTree: false,
 	})
 	defer resetCfg()
 
@@ -523,7 +479,7 @@ func TestSaveOrphanedAtts_DoublyLinkedTrie(t *testing.T) {
 
 func TestSaveOrphanedAtts_CanFilter_DoublyLinkedTrie(t *testing.T) {
 	resetCfg := features.InitWithReset(&features.Flags{
-		EnableForkChoiceDoublyLinkedTree: true,
+		DisableForkchoiceDoublyLinkedTree: false,
 	})
 	defer resetCfg()
 

beacon-chain/blockchain/init_sync_process_block.go

@@ -4,8 +4,8 @@ import (
 	"context"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
 )
 
 // This saves a beacon block to the initial sync blocks cache. It rate limits how many blocks

beacon-chain/blockchain/init_sync_process_block_test.go

@@ -4,10 +4,10 @@ import (
 	"context"
 	"testing"
 
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
 )
 
 func TestService_getBlock(t *testing.T) {
@@ -29,7 +29,7 @@ func TestService_getBlock(t *testing.T) {
 	// block in cache
 	b, err := blocks.NewSignedBeaconBlock(b1)
 	require.NoError(t, err)
-	s.saveInitSyncBlock(ctx, r1, b)
+	require.NoError(t, s.saveInitSyncBlock(ctx, r1, b))
 	got, err := s.getBlock(ctx, r1)
 	require.NoError(t, err)
 	require.DeepEqual(t, b, got)
@@ -59,7 +59,7 @@ func TestService_hasBlockInInitSyncOrDB(t *testing.T) {
 	// block in cache
 	b, err := blocks.NewSignedBeaconBlock(b1)
 	require.NoError(t, err)
-	s.saveInitSyncBlock(ctx, r1, b)
+	require.NoError(t, s.saveInitSyncBlock(ctx, r1, b))
 	require.Equal(t, true, s.hasBlockInInitSyncOrDB(ctx, r1))
 
 	// block in db

beacon-chain/blockchain/init_test.go

@@ -1,7 +1,7 @@
 package blockchain
 
 import (
-	"github.com/prysmaticlabs/prysm/config/params"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
 )
 
 func init() {

beacon-chain/blockchain/log.go

@@ -6,14 +6,15 @@ import (
 	"time"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/blocks"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/runtime/version"
-	prysmTime "github.com/prysmaticlabs/prysm/time"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/blocks"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	consensusBlocks "github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/runtime/version"
+	prysmTime "github.com/prysmaticlabs/prysm/v3/time"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	"github.com/sirupsen/logrus"
 )
 
@@ -51,10 +52,15 @@ func logStateTransitionData(b interfaces.BeaconBlock) error {
 		}
 		log = log.WithField("payloadHash", fmt.Sprintf("%#x", bytesutil.Trunc(p.BlockHash())))
 		txs, err := p.Transactions()
-		if err != nil {
+		switch {
+		case errors.Is(err, consensusBlocks.ErrUnsupportedGetter):
+		case err != nil:
 			return err
+		default:
+			log = log.WithField("txCount", len(txs))
+			txsPerSlotCount.Set(float64(len(txs)))
 		}
-		log = log.WithField("txCount", len(txs))
+
 	}
 	log.Info("Finished applying state transition")
 	return nil

beacon-chain/blockchain/log_test.go

@@ -3,11 +3,11 @@ package blockchain
 import (
 	"testing"
 
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	enginev1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	enginev1 "github.com/prysmaticlabs/prysm/v3/proto/engine/v1"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 )
 

beacon-chain/blockchain/metrics.go

@@ -6,15 +6,15 @@ import (
 	"github.com/pkg/errors"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/altair"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/epoch/precompute"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/runtime/version"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/altair"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/epoch/precompute"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/runtime/version"
 )
 
 var (
@@ -158,10 +158,47 @@ var (
 		Name: "forkchoice_updated_optimistic_node_count",
 		Help: "Count the number of optimistic nodes after forkchoiceUpdated EE call",
 	})
+	forkchoiceUpdatedInvalidNodeCount = promauto.NewCounter(prometheus.CounterOpts{
+		Name: "forkchoice_updated_invalid_node_count",
+		Help: "Count the number of invalid nodes after forkchoiceUpdated EE call",
+	})
+	txsPerSlotCount = promauto.NewGauge(prometheus.GaugeOpts{
+		Name: "txs_per_slot_count",
+		Help: "Count the number of txs per slot",
+	})
 	missedPayloadIDFilledCount = promauto.NewCounter(prometheus.CounterOpts{
 		Name: "missed_payload_id_filled_count",
 		Help: "",
 	})
+	onBlockProcessingTime = promauto.NewSummary(prometheus.SummaryOpts{
+		Name: "on_block_processing_milliseconds",
+		Help: "Total time in milliseconds to complete a call to onBlock()",
+	})
+	stateTransitionProcessingTime = promauto.NewSummary(prometheus.SummaryOpts{
+		Name: "state_transition_processing_milliseconds",
+		Help: "Total time to call a state transition in onBlock()",
+	})
+	processAttsElapsedTime = promauto.NewHistogram(
+		prometheus.HistogramOpts{
+			Name:    "process_attestations_milliseconds",
+			Help:    "Captures latency for process attestations (forkchoice) in milliseconds",
+			Buckets: []float64{1, 5, 20, 100, 500, 1000},
+		},
+	)
+	newAttHeadElapsedTime = promauto.NewHistogram(
+		prometheus.HistogramOpts{
+			Name:    "new_att_head_milliseconds",
+			Help:    "Captures latency for new attestation head in milliseconds",
+			Buckets: []float64{1, 5, 20, 100, 500, 1000},
+		},
+	)
+	newBlockHeadElapsedTime = promauto.NewHistogram(
+		prometheus.HistogramOpts{
+			Name:    "new_block_head_milliseconds",
+			Help:    "Captures latency for new block head in milliseconds",
+			Buckets: []float64{1, 5, 20, 100, 500, 1000},
+		},
+	)
 )
 
 // reportSlotMetrics reports slot related metrics.

beacon-chain/blockchain/metrics_test.go

@@ -4,9 +4,9 @@ import (
 	"context"
 	"testing"
 
-	eth "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
+	eth "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
 )
 
 func TestReportEpochMetrics_BadHeadState(t *testing.T) {

beacon-chain/blockchain/mock_test.go

@@ -5,10 +5,10 @@ import (
 	"errors"
 	"testing"
 
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/protoarray"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
 )
 
 func testServiceOptsWithDB(t *testing.T) []Option {

beacon-chain/blockchain/options.go

@@ -1,20 +1,20 @@
 package blockchain
 
 import (
-	"github.com/prysmaticlabs/prysm/async/event"
-	"github.com/prysmaticlabs/prysm/beacon-chain/cache"
-	"github.com/prysmaticlabs/prysm/beacon-chain/cache/depositcache"
-	statefeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/db"
-	"github.com/prysmaticlabs/prysm/beacon-chain/execution"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice"
-	"github.com/prysmaticlabs/prysm/beacon-chain/operations/attestations"
-	"github.com/prysmaticlabs/prysm/beacon-chain/operations/slashings"
-	"github.com/prysmaticlabs/prysm/beacon-chain/operations/voluntaryexits"
-	"github.com/prysmaticlabs/prysm/beacon-chain/p2p"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/async/event"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache/depositcache"
+	statefeed "github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/db"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/execution"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/operations/attestations"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/operations/slashings"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/operations/voluntaryexits"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/p2p"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
 )
 
 type Option func(s *Service) error

beacon-chain/blockchain/pow_block.go

@@ -10,12 +10,12 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/holiman/uint256"
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	"github.com/sirupsen/logrus"
 )
 

beacon-chain/blockchain/pow_block_test.go

@@ -8,16 +8,16 @@ import (
 
 	gethtypes "github.com/ethereum/go-ethereum/core/types"
 	"github.com/holiman/uint256"
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	mocks "github.com/prysmaticlabs/prysm/beacon-chain/execution/testing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	enginev1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	mocks "github.com/prysmaticlabs/prysm/v3/beacon-chain/execution/testing"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/protoarray"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	enginev1 "github.com/prysmaticlabs/prysm/v3/proto/engine/v1"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 )
 
 func Test_validTerminalPowBlock(t *testing.T) {

beacon-chain/blockchain/process_attestation.go

@@ -5,12 +5,12 @@ import (
 	"time"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1/attestation"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1/attestation"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	"go.opencensus.io/trace"
 )
 

beacon-chain/blockchain/process_attestation_helpers.go

@@ -6,15 +6,15 @@ import (
 	"strconv"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/async"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/transition"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/async"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/transition"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 )
 
 // getAttPreState retrieves the att pre state by either from the cache or the DB.

beacon-chain/blockchain/process_attestation_test.go

@@ -5,21 +5,21 @@ import (
 	"testing"
 	"time"
 
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/transition"
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	doublylinkedtree "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/doubly-linked-tree"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
-	forkchoicetypes "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/types"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	"github.com/prysmaticlabs/prysm/config/params"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/transition"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	doublylinkedtree "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/protoarray"
+	forkchoicetypes "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/types"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
+	fieldparams "github.com/prysmaticlabs/prysm/v3/config/fieldparams"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 )
 
 func TestStore_OnAttestation_ErrorConditions_ProtoArray(t *testing.T) {
@@ -28,7 +28,7 @@ func TestStore_OnAttestation_ErrorConditions_ProtoArray(t *testing.T) {
 
 	opts := []Option{
 		WithDatabase(beaconDB),
-		WithForkChoiceStore(protoarray.New()),
+		WithForkChoiceStore(doublylinkedtree.New()),
 		WithStateGen(stategen.New(beaconDB)),
 	}
 	service, err := NewService(ctx, opts...)

beacon-chain/blockchain/process_block.go

@@ -6,29 +6,29 @@ import (
 	"time"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/async/event"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/blocks"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/feed"
-	statefeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	coreTime "github.com/prysmaticlabs/prysm/beacon-chain/core/time"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/transition"
-	forkchoicetypes "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/types"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/config/features"
-	"github.com/prysmaticlabs/prysm/config/params"
-	consensusblocks "github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/crypto/bls"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	"github.com/prysmaticlabs/prysm/monitoring/tracing"
-	enginev1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
-	ethpbv1 "github.com/prysmaticlabs/prysm/proto/eth/v1"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1/attestation"
-	"github.com/prysmaticlabs/prysm/runtime/version"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/async/event"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/blocks"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed"
+	statefeed "github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	coreTime "github.com/prysmaticlabs/prysm/v3/beacon-chain/core/time"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/transition"
+	forkchoicetypes "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/types"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/config/features"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	consensusblocks "github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/crypto/bls"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	"github.com/prysmaticlabs/prysm/v3/monitoring/tracing"
+	enginev1 "github.com/prysmaticlabs/prysm/v3/proto/engine/v1"
+	ethpbv1 "github.com/prysmaticlabs/prysm/v3/proto/eth/v1"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1/attestation"
+	"github.com/prysmaticlabs/prysm/v3/runtime/version"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	"go.opencensus.io/trace"
 )
 
@@ -98,6 +98,7 @@ func (s *Service) onBlock(ctx context.Context, signed interfaces.SignedBeaconBlo
 	if err := consensusblocks.BeaconBlockIsNil(signed); err != nil {
 		return invalidBlock{error: err}
 	}
+	startTime := time.Now()
 	b := signed.Block()
 
 	preState, err := s.getBlockPreState(ctx, b)
@@ -115,10 +116,13 @@ func (s *Service) onBlock(ctx context.Context, signed interfaces.SignedBeaconBlo
 	if err != nil {
 		return err
 	}
+	stateTransitionStartTime := time.Now()
 	postState, err := transition.ExecuteStateTransition(ctx, preState, signed)
 	if err != nil {
 		return invalidBlock{error: err}
 	}
+	stateTransitionProcessingTime.Observe(float64(time.Since(stateTransitionStartTime).Milliseconds()))
+
 	postStateVersion, postStateHeader, err := getStateVersionAndPayload(postState)
 	if err != nil {
 		return err
@@ -136,9 +140,12 @@ func (s *Service) onBlock(ctx context.Context, signed interfaces.SignedBeaconBlo
 		return err
 	}
 
-	if err := s.insertBlockAndAttestationsToForkChoiceStore(ctx, signed.Block(), blockRoot, postState); err != nil {
+	if err := s.insertBlockToForkchoiceStore(ctx, signed.Block(), blockRoot, postState); err != nil {
 		return errors.Wrapf(err, "could not insert block %d to fork choice store", signed.Block().Slot())
 	}
+	if err := s.handleBlockAttestations(ctx, signed.Block(), postState); err != nil {
+		return errors.Wrap(err, "could not handle block's attestations")
+	}
 	s.InsertSlashingsToForkChoiceStore(ctx, signed.Block().Body().AttesterSlashings())
 	if isValidPayload {
 		if err := s.cfg.ForkChoiceStore.SetOptimisticToValid(ctx, blockRoot); err != nil {
@@ -179,10 +186,14 @@ func (s *Service) onBlock(ctx context.Context, signed interfaces.SignedBeaconBlo
 		msg := fmt.Sprintf("could not read balances for state w/ justified checkpoint %#x", justified.Root)
 		return errors.Wrap(err, msg)
 	}
+
+	start := time.Now()
 	headRoot, err := s.cfg.ForkChoiceStore.Head(ctx, balances)
 	if err != nil {
 		log.WithError(err).Warn("Could not update head")
 	}
+	newBlockHeadElapsedTime.Observe(float64(time.Since(start).Milliseconds()))
+
 	if err := s.notifyEngineIfChangedHead(ctx, headRoot); err != nil {
 		return err
 	}
@@ -259,7 +270,11 @@ func (s *Service) onBlock(ctx context.Context, signed interfaces.SignedBeaconBlo
 
 	}
 	defer reportAttestationInclusion(b)
-	return s.handleEpochBoundary(ctx, postState)
+	if err := s.handleEpochBoundary(ctx, postState); err != nil {
+		return err
+	}
+	onBlockProcessingTime.Observe(float64(time.Since(startTime).Milliseconds()))
+	return nil
 }
 
 func getStateVersionAndPayload(st state.BeaconState) (int, *enginev1.ExecutionPayloadHeader, error) {
@@ -495,10 +510,10 @@ func (s *Service) handleEpochBoundary(ctx context.Context, postState state.Beaco
 	return nil
 }
 
-// This feeds in the block and block's attestations to fork choice store. It's allows fork choice store
+// This feeds in the block to fork choice store. It's allows fork choice store
 // to gain information on the most current chain.
-func (s *Service) insertBlockAndAttestationsToForkChoiceStore(ctx context.Context, blk interfaces.BeaconBlock, root [32]byte, st state.BeaconState) error {
-	ctx, span := trace.StartSpan(ctx, "blockChain.insertBlockAndAttestationsToForkChoiceStore")
+func (s *Service) insertBlockToForkchoiceStore(ctx context.Context, blk interfaces.BeaconBlock, root [32]byte, st state.BeaconState) error {
+	ctx, span := trace.StartSpan(ctx, "blockChain.insertBlockToForkchoiceStore")
 	defer span.End()
 
 	if !s.cfg.ForkChoiceStore.HasNode(bytesutil.ToBytes32(blk.ParentRoot())) {
@@ -512,6 +527,13 @@ func (s *Service) insertBlockAndAttestationsToForkChoiceStore(ctx context.Contex
 	if err := s.cfg.ForkChoiceStore.InsertNode(ctx, st, root); err != nil {
 		return err
 	}
+
+	return nil
+}
+
+// This feeds in the attestations included in the block to fork choice store. It's allows fork choice store
+// to gain information on the most current chain.
+func (s *Service) handleBlockAttestations(ctx context.Context, blk interfaces.BeaconBlock, st state.BeaconState) error {
 	// Feed in block's attestations to fork choice store.
 	for _, a := range blk.Body().Attestations() {
 		committee, err := helpers.BeaconCommitteeFromState(ctx, st, a.Data.Slot, a.Data.CommitteeIndex)
@@ -522,7 +544,12 @@ func (s *Service) insertBlockAndAttestationsToForkChoiceStore(ctx context.Contex
 		if err != nil {
 			return err
 		}
-		s.cfg.ForkChoiceStore.ProcessAttestation(ctx, indices, bytesutil.ToBytes32(a.Data.BeaconBlockRoot), a.Data.Target.Epoch)
+		r := bytesutil.ToBytes32(a.Data.BeaconBlockRoot)
+		if s.cfg.ForkChoiceStore.HasNode(r) {
+			s.cfg.ForkChoiceStore.ProcessAttestation(ctx, indices, r, a.Data.Target.Epoch)
+		} else if err := s.cfg.AttPool.SaveBlockAttestation(a); err != nil {
+			return err
+		}
 	}
 	return nil
 }
@@ -644,7 +671,7 @@ func (s *Service) fillMissingPayloadIDRoutine(ctx context.Context, stateFeed *ev
 				if !atHalfSlot(ti) {
 					continue
 				}
-				_, id, has := s.cfg.ProposerSlotIndexCache.GetProposerPayloadIDs(s.CurrentSlot() + 1)
+				_, id, has := s.cfg.ProposerSlotIndexCache.GetProposerPayloadIDs(s.CurrentSlot()+1, s.headRoot())
 				// There exists proposer for next slot, but we haven't called fcu w/ payload attribute yet.
 				if has && id == [8]byte{} {
 					headBlock, err := s.headBlock()

beacon-chain/blockchain/process_block_helpers.go

@@ -6,19 +6,19 @@ import (
 	"fmt"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	doublylinkedtree "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/doubly-linked-tree"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
-	forkchoicetypes "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/types"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	mathutil "github.com/prysmaticlabs/prysm/math"
-	"github.com/prysmaticlabs/prysm/monitoring/tracing"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	doublylinkedtree "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/protoarray"
+	forkchoicetypes "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/types"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	mathutil "github.com/prysmaticlabs/prysm/v3/math"
+	"github.com/prysmaticlabs/prysm/v3/monitoring/tracing"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	"go.opencensus.io/trace"
 )
 
@@ -135,11 +135,21 @@ func (s *Service) verifyBlkFinalizedSlot(b interfaces.BeaconBlock) error {
 }
 
 // updateFinalized saves the init sync blocks, finalized checkpoint, migrates
-// to cold old states and saves the last validated checkpoint to DB
+// to cold old states and saves the last validated checkpoint to DB. It returns
+// early if the new checkpoint is older than the one on db.
 func (s *Service) updateFinalized(ctx context.Context, cp *ethpb.Checkpoint) error {
 	ctx, span := trace.StartSpan(ctx, "blockChain.updateFinalized")
 	defer span.End()
 
+	// return early if new checkpoint is not newer than the one in DB
+	currentFinalized, err := s.cfg.BeaconDB.FinalizedCheckpoint(ctx)
+	if err != nil {
+		return err
+	}
+	if cp.Epoch <= currentFinalized.Epoch {
+		return nil
+	}
+
 	// Blocks need to be saved so that we can retrieve finalized block from
 	// DB when migrating states.
 	if err := s.cfg.BeaconDB.SaveBlocks(ctx, s.getInitSyncBlocks()); err != nil {
@@ -267,7 +277,7 @@ func (s *Service) fillInForkChoiceMissingBlocks(ctx context.Context, blk interfa
 	if len(pendingNodes) == 1 {
 		return nil
 	}
-	if root != s.ensureRootNotZeros(finalized.Root) {
+	if root != s.ensureRootNotZeros(finalized.Root) && !s.ForkChoicer().HasNode(root) {
 		return errNotDescendantOfFinalized
 	}
 	return s.cfg.ForkChoiceStore.InsertOptimisticChain(ctx, pendingNodes)

beacon-chain/blockchain/process_block_test.go

@@ -12,37 +12,37 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	gethtypes "github.com/ethereum/go-ethereum/core/types"
 	"github.com/pkg/errors"
-	mock "github.com/prysmaticlabs/prysm/beacon-chain/blockchain/testing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/cache"
-	"github.com/prysmaticlabs/prysm/beacon-chain/cache/depositcache"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/blocks"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/signing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/transition"
-	"github.com/prysmaticlabs/prysm/beacon-chain/db"
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/execution"
-	mockExecution "github.com/prysmaticlabs/prysm/beacon-chain/execution/testing"
-	doublylinkedtree "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/doubly-linked-tree"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
-	forkchoicetypes "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/types"
-	"github.com/prysmaticlabs/prysm/beacon-chain/operations/attestations"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
-	v1 "github.com/prysmaticlabs/prysm/beacon-chain/state/v1"
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	"github.com/prysmaticlabs/prysm/config/params"
-	consensusblocks "github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/crypto/bls"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	enginev1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/runtime/version"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
-	prysmTime "github.com/prysmaticlabs/prysm/time"
+	mock "github.com/prysmaticlabs/prysm/v3/beacon-chain/blockchain/testing"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache/depositcache"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/blocks"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/signing"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/transition"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/db"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/execution"
+	mockExecution "github.com/prysmaticlabs/prysm/v3/beacon-chain/execution/testing"
+	doublylinkedtree "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/protoarray"
+	forkchoicetypes "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/types"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/operations/attestations"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
+	v1 "github.com/prysmaticlabs/prysm/v3/beacon-chain/state/v1"
+	fieldparams "github.com/prysmaticlabs/prysm/v3/config/fieldparams"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	consensusblocks "github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/crypto/bls"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	enginev1 "github.com/prysmaticlabs/prysm/v3/proto/engine/v1"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/runtime/version"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
+	prysmTime "github.com/prysmaticlabs/prysm/v3/time"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 )
 
@@ -322,7 +322,7 @@ func TestStore_OnBlockBatch_DoublyLinkedTree(t *testing.T) {
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithStateGen(stategen.New(beaconDB)),
-		WithForkChoiceStore(protoarray.New()),
+		WithForkChoiceStore(doublylinkedtree.New()),
 	}
 	service, err := NewService(ctx, opts...)
 	require.NoError(t, err)
@@ -894,7 +894,7 @@ func TestAncestor_HandleSkipSlot(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithStateGen(stategen.New(beaconDB)),
@@ -985,7 +985,7 @@ func TestAncestor_CanUseDB(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithStateGen(stategen.New(beaconDB)),
@@ -1047,7 +1047,7 @@ func TestVerifyBlkDescendant(t *testing.T) {
 	beaconDB := testDB.SetupDB(t)
 	ctx := context.Background()
 
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithStateGen(stategen.New(beaconDB)),
@@ -1154,7 +1154,7 @@ func TestHandleEpochBoundary_UpdateFirstSlot(t *testing.T) {
 func TestOnBlock_CanFinalize_WithOnTick(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	depositCache, err := depositcache.New()
 	require.NoError(t, err)
 	opts := []Option{
@@ -1203,7 +1203,7 @@ func TestOnBlock_CanFinalize_WithOnTick(t *testing.T) {
 func TestOnBlock_CanFinalize(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	depositCache, err := depositcache.New()
 	require.NoError(t, err)
 	opts := []Option{
@@ -1251,7 +1251,7 @@ func TestOnBlock_CanFinalize(t *testing.T) {
 func TestOnBlock_NilBlock(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	depositCache, err := depositcache.New()
 	require.NoError(t, err)
 	opts := []Option{
@@ -1270,7 +1270,7 @@ func TestOnBlock_NilBlock(t *testing.T) {
 func TestOnBlock_InvalidSignature(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	depositCache, err := depositcache.New()
 	require.NoError(t, err)
 	opts := []Option{
@@ -1306,7 +1306,7 @@ func TestOnBlock_CallNewPayloadAndForkchoiceUpdated(t *testing.T) {
 
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	depositCache, err := depositcache.New()
 	require.NoError(t, err)
 	opts := []Option{
@@ -1521,7 +1521,7 @@ func Test_validateMergeTransitionBlock(t *testing.T) {
 
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithStateGen(stategen.New(beaconDB)),
@@ -1659,7 +1659,7 @@ func Test_validateMergeTransitionBlock(t *testing.T) {
 func TestService_insertSlashingsToForkChoiceStore(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithStateGen(stategen.New(beaconDB)),
@@ -1710,7 +1710,7 @@ func TestService_insertSlashingsToForkChoiceStore(t *testing.T) {
 func TestOnBlock_ProcessBlocksParallel(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	depositCache, err := depositcache.New()
 	require.NoError(t, err)
 	opts := []Option{
@@ -1754,6 +1754,10 @@ func TestOnBlock_ProcessBlocksParallel(t *testing.T) {
 
 	logHook := logTest.NewGlobal()
 	for i := 0; i < 10; i++ {
+		fc := &ethpb.Checkpoint{}
+		st, blkRoot, err := prepareForkchoiceState(ctx, 0, bytesutil.ToBytes32(wsb1.Block().ParentRoot()), [32]byte{}, [32]byte{}, fc, fc)
+		require.NoError(t, err)
+		require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
 		var wg sync.WaitGroup
 		wg.Add(4)
 		go func() {
@@ -1778,7 +1782,7 @@ func TestOnBlock_ProcessBlocksParallel(t *testing.T) {
 		require.NoError(t, service.cfg.BeaconDB.DeleteBlock(ctx, r2))
 		require.NoError(t, service.cfg.BeaconDB.DeleteBlock(ctx, r3))
 		require.NoError(t, service.cfg.BeaconDB.DeleteBlock(ctx, r4))
-		service.cfg.ForkChoiceStore = protoarray.New()
+		service.cfg.ForkChoiceStore = doublylinkedtree.New()
 	}
 }
 
@@ -1786,7 +1790,7 @@ func Test_verifyBlkFinalizedSlot_invalidBlock(t *testing.T) {
 	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts := []Option{
 		WithDatabase(beaconDB),
 		WithStateGen(stategen.New(beaconDB)),
@@ -2996,14 +3000,12 @@ func TestStore_NoViableHead_Reboot_DoublyLinkedTree(t *testing.T) {
 
 	require.NoError(t, service.StartFromSavedState(genesisState))
 
-	// Forkchoice does not have a cached headroot now
-	require.Equal(t, [32]byte{}, service.ForkChoicer().CachedHeadRoot())
+	// Forkchoice has the genesisRoot loaded at startup
+	require.Equal(t, genesisRoot, service.ForkChoicer().CachedHeadRoot())
 	// Service's store has the finalized state as headRoot
 	headRoot, err := service.HeadRoot(ctx)
 	require.NoError(t, err)
 	require.Equal(t, genesisRoot, bytesutil.ToBytes32(headRoot))
-	// The node is not optimistic now until the first call to forkchoice
-	// Head()
 	optimistic, err := service.IsOptimistic(ctx)
 	require.NoError(t, err)
 	require.Equal(t, false, optimistic)
@@ -3025,8 +3027,8 @@ func TestStore_NoViableHead_Reboot_DoublyLinkedTree(t *testing.T) {
 	root, err = b.Block.HashTreeRoot()
 	require.NoError(t, err)
 	require.NoError(t, service.onBlock(ctx, wsb, root))
-	// Check that the head is still INVALID and the node is not optimistic
-	require.Equal(t, [32]byte{}, service.ForkChoicer().CachedHeadRoot())
+	// Check that the head is still INVALID and the node is optimistic
+	require.Equal(t, genesisRoot, service.ForkChoicer().CachedHeadRoot())
 	headRoot, err = service.HeadRoot(ctx)
 	require.NoError(t, err)
 	require.Equal(t, genesisRoot, bytesutil.ToBytes32(headRoot))
@@ -3053,8 +3055,8 @@ func TestStore_NoViableHead_Reboot_DoublyLinkedTree(t *testing.T) {
 		st, err = service.cfg.StateGen.StateByRoot(ctx, root)
 		require.NoError(t, err)
 	}
-	// Head should still be INVALID and the node is not optimistic
-	require.Equal(t, [32]byte{}, service.ForkChoicer().CachedHeadRoot())
+	// Head should still be INVALID and the node is optimistic
+	require.Equal(t, genesisRoot, service.ForkChoicer().CachedHeadRoot())
 	headRoot, err = service.HeadRoot(ctx)
 	require.NoError(t, err)
 	require.Equal(t, genesisRoot, bytesutil.ToBytes32(headRoot))
@@ -3222,14 +3224,11 @@ func TestStore_NoViableHead_Reboot_Protoarray(t *testing.T) {
 
 	require.NoError(t, service.StartFromSavedState(genesisState))
 
-	// Forkchoice does not have a cached headroot now
-	require.Equal(t, [32]byte{}, service.ForkChoicer().CachedHeadRoot())
+	require.Equal(t, genesisRoot, service.ForkChoicer().CachedHeadRoot())
 	// Service's store has the finalized state as headRoot
 	headRoot, err := service.HeadRoot(ctx)
 	require.NoError(t, err)
 	require.Equal(t, genesisRoot, bytesutil.ToBytes32(headRoot))
-	// The node is not optimistic now until the first call to forkchoice
-	// Head()
 	optimistic, err := service.IsOptimistic(ctx)
 	require.NoError(t, err)
 	require.Equal(t, false, optimistic)
@@ -3251,8 +3250,8 @@ func TestStore_NoViableHead_Reboot_Protoarray(t *testing.T) {
 	root, err = b.Block.HashTreeRoot()
 	require.NoError(t, err)
 	require.NoError(t, service.onBlock(ctx, wsb, root))
-	// Check that the head is still INVALID and the node is not optimistic
-	require.Equal(t, [32]byte{}, service.ForkChoicer().CachedHeadRoot())
+	// Check that the head is still INVALID and the node is optimistic
+	require.Equal(t, genesisRoot, service.ForkChoicer().CachedHeadRoot())
 	headRoot, err = service.HeadRoot(ctx)
 	require.NoError(t, err)
 	require.Equal(t, genesisRoot, bytesutil.ToBytes32(headRoot))
@@ -3278,8 +3277,8 @@ func TestStore_NoViableHead_Reboot_Protoarray(t *testing.T) {
 		st, err = service.cfg.StateGen.StateByRoot(ctx, root)
 		require.NoError(t, err)
 	}
-	// Head should still be INVALID and the node is not optimistic
-	require.Equal(t, [32]byte{}, service.ForkChoicer().CachedHeadRoot())
+	// Head should still be INVALID and the node is optimistic
+	require.Equal(t, genesisRoot, service.ForkChoicer().CachedHeadRoot())
 	headRoot, err = service.HeadRoot(ctx)
 	require.NoError(t, err)
 	require.Equal(t, genesisRoot, bytesutil.ToBytes32(headRoot))
@@ -3313,6 +3312,75 @@ func TestStore_NoViableHead_Reboot_Protoarray(t *testing.T) {
 	require.Equal(t, false, service.ForkChoicer().AllTipsAreInvalid())
 }
 
+func TestOnBlock_HandleBlockAttestations(t *testing.T) {
+	ctx := context.Background()
+	beaconDB := testDB.SetupDB(t)
+	opts := []Option{
+		WithDatabase(beaconDB),
+		WithAttestationPool(attestations.NewPool()),
+		WithStateGen(stategen.New(beaconDB)),
+		WithForkChoiceStore(doublylinkedtree.New()),
+		WithStateNotifier(&mock.MockStateNotifier{}),
+	}
+	service, err := NewService(ctx, opts...)
+	require.NoError(t, err)
+
+	st, keys := util.DeterministicGenesisState(t, 64)
+	stateRoot, err := st.HashTreeRoot(ctx)
+	require.NoError(t, err, "Could not hash genesis state")
+
+	require.NoError(t, service.saveGenesisData(ctx, st))
+
+	genesis := blocks.NewGenesisBlock(stateRoot[:])
+	wsb, err := consensusblocks.NewSignedBeaconBlock(genesis)
+	require.NoError(t, err)
+	require.NoError(t, service.cfg.BeaconDB.SaveBlock(ctx, wsb), "Could not save genesis block")
+	parentRoot, err := genesis.Block.HashTreeRoot()
+	require.NoError(t, err, "Could not get signing root")
+	require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, st, parentRoot), "Could not save genesis state")
+	require.NoError(t, service.cfg.BeaconDB.SaveHeadBlockRoot(ctx, parentRoot), "Could not save genesis state")
+
+	st, err = service.HeadState(ctx)
+	require.NoError(t, err)
+	b, err := util.GenerateFullBlock(st, keys, util.DefaultBlockGenConfig(), 1)
+	require.NoError(t, err)
+	wsb, err = consensusblocks.NewSignedBeaconBlock(b)
+	require.NoError(t, err)
+	root, err := b.Block.HashTreeRoot()
+	require.NoError(t, err)
+	require.NoError(t, service.onBlock(ctx, wsb, root))
+
+	st, err = service.HeadState(ctx)
+	require.NoError(t, err)
+	b, err = util.GenerateFullBlock(st, keys, util.DefaultBlockGenConfig(), 2)
+	require.NoError(t, err)
+	wsb, err = consensusblocks.NewSignedBeaconBlock(b)
+	require.NoError(t, err)
+
+	// prepare another block that is not inserted
+	st3, err := transition.ExecuteStateTransition(ctx, st, wsb)
+	require.NoError(t, err)
+	b3, err := util.GenerateFullBlock(st3, keys, util.DefaultBlockGenConfig(), 3)
+	require.NoError(t, err)
+	wsb3, err := consensusblocks.NewSignedBeaconBlock(b3)
+	require.NoError(t, err)
+
+	require.Equal(t, 1, len(wsb.Block().Body().Attestations()))
+	a := wsb.Block().Body().Attestations()[0]
+	r := bytesutil.ToBytes32(a.Data.BeaconBlockRoot)
+	require.Equal(t, true, service.cfg.ForkChoiceStore.HasNode(r))
+
+	require.Equal(t, 1, len(wsb.Block().Body().Attestations()))
+	a3 := wsb3.Block().Body().Attestations()[0]
+	r3 := bytesutil.ToBytes32(a3.Data.BeaconBlockRoot)
+	require.Equal(t, false, service.cfg.ForkChoiceStore.HasNode(r3))
+
+	require.NoError(t, service.handleBlockAttestations(ctx, wsb.Block(), st)) // fine to use the same committe as st
+	require.Equal(t, 0, service.cfg.AttPool.ForkchoiceAttestationCount())
+	require.NoError(t, service.handleBlockAttestations(ctx, wsb3.Block(), st3)) // fine to use the same committe as st
+	require.Equal(t, 1, len(service.cfg.AttPool.BlockAttestations()))
+}
+
 // Helper function to simulate the block being on time or delayed for proposer
 // boost. It alters the genesisTime tracked by the store.
 func driftGenesisTime(s *Service, slot int64, delay int64) {

beacon-chain/blockchain/receive_attestation.go

@@ -7,14 +7,14 @@ import (
 	"time"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/async/event"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/feed"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/async/event"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	"github.com/sirupsen/logrus"
 	"go.opencensus.io/trace"
 )
@@ -147,17 +147,22 @@ func (s *Service) UpdateHead(ctx context.Context) error {
 	s.processAttestationsLock.Lock()
 	defer s.processAttestationsLock.Unlock()
 
+	start := time.Now()
 	s.processAttestations(ctx)
+	processAttsElapsedTime.Observe(float64(time.Since(start).Milliseconds()))
 
 	justified := s.ForkChoicer().JustifiedCheckpoint()
 	balances, err := s.justifiedBalances.get(ctx, justified.Root)
 	if err != nil {
 		return err
 	}
+	start = time.Now()
 	newHeadRoot, err := s.cfg.ForkChoiceStore.Head(ctx, balances)
 	if err != nil {
 		log.WithError(err).Warn("Resolving fork due to new attestation")
 	}
+	newAttHeadElapsedTime.Observe(float64(time.Since(start).Milliseconds()))
+
 	s.headLock.RLock()
 	if s.headRoot() != newHeadRoot {
 		log.WithFields(logrus.Fields{

beacon-chain/blockchain/receive_attestation_test.go

@@ -5,21 +5,21 @@ import (
 	"testing"
 	"time"
 
-	"github.com/prysmaticlabs/prysm/beacon-chain/cache"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/transition"
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
-	"github.com/prysmaticlabs/prysm/beacon-chain/operations/attestations"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
-	prysmTime "github.com/prysmaticlabs/prysm/time"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/transition"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	doublylinkedtree "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/operations/attestations"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
+	prysmTime "github.com/prysmaticlabs/prysm/v3/time"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 )
 
@@ -164,7 +164,7 @@ func TestNotifyEngineIfChangedHead(t *testing.T) {
 		block: wsb,
 		state: st,
 	}
-	service.cfg.ProposerSlotIndexCache.SetProposerAndPayloadIDs(2, 1, [8]byte{1})
+	service.cfg.ProposerSlotIndexCache.SetProposerAndPayloadIDs(2, 1, [8]byte{1}, [32]byte{2})
 	require.NoError(t, service.notifyEngineIfChangedHead(ctx, r1))
 	require.LogsDoNotContain(t, hook, invalidStateErr)
 	require.LogsDoNotContain(t, hook, hookErr)
@@ -182,11 +182,11 @@ func TestNotifyEngineIfChangedHead(t *testing.T) {
 		block: wsb,
 		state: st,
 	}
-	service.cfg.ProposerSlotIndexCache.SetProposerAndPayloadIDs(2, 1, [8]byte{1})
+	service.cfg.ProposerSlotIndexCache.SetProposerAndPayloadIDs(2, 1, [8]byte{1}, [32]byte{2})
 	require.NoError(t, service.notifyEngineIfChangedHead(ctx, r1))
 	require.LogsDoNotContain(t, hook, invalidStateErr)
 	require.LogsDoNotContain(t, hook, hookErr)
-	vId, payloadID, has := service.cfg.ProposerSlotIndexCache.GetProposerPayloadIDs(2)
+	vId, payloadID, has := service.cfg.ProposerSlotIndexCache.GetProposerPayloadIDs(2, [32]byte{2})
 	require.Equal(t, true, has)
 	require.Equal(t, types.ValidatorIndex(1), vId)
 	require.Equal(t, [8]byte{1}, payloadID)
@@ -200,7 +200,7 @@ func TestNotifyEngineIfChangedHead(t *testing.T) {
 func TestService_ProcessAttestationsAndUpdateHead(t *testing.T) {
 	ctx := context.Background()
 	opts := testServiceOptsWithDB(t)
-	fcs := protoarray.New()
+	fcs := doublylinkedtree.New()
 	opts = append(opts,
 		WithAttestationPool(attestations.NewPool()),
 		WithStateNotifier(&mockBeaconNode{}),

beacon-chain/blockchain/receive_block.go

@@ -4,14 +4,14 @@ import (
 	"context"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/feed"
-	statefeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/state"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/monitoring/tracing"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/time"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed"
+	statefeed "github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed/state"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/monitoring/tracing"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/time"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	"go.opencensus.io/trace"
 )
 
@@ -150,11 +150,6 @@ func (s *Service) handlePostBlockOperations(b interfaces.BeaconBlock) error {
 		return err
 	}
 
-	// Add block attestations to the fork choice pool to compute head.
-	if err := s.cfg.AttPool.SaveBlockAttestations(b.Body().Attestations()); err != nil {
-		log.WithError(err).Error("Could not save block attestations for fork choice")
-		return nil
-	}
 	// Mark block exits as seen so we don't include same ones in future blocks.
 	for _, e := range b.Body().VoluntaryExits() {
 		s.cfg.ExitPool.MarkIncluded(e)

beacon-chain/blockchain/receive_block_test.go

@@ -6,21 +6,21 @@ import (
 	"testing"
 	"time"
 
-	blockchainTesting "github.com/prysmaticlabs/prysm/beacon-chain/blockchain/testing"
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
-	"github.com/prysmaticlabs/prysm/beacon-chain/operations/attestations"
-	"github.com/prysmaticlabs/prysm/beacon-chain/operations/voluntaryexits"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
+	blockchainTesting "github.com/prysmaticlabs/prysm/v3/beacon-chain/blockchain/testing"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/protoarray"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/operations/attestations"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/operations/voluntaryexits"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 )
 
@@ -76,9 +76,9 @@ func TestService_ReceiveBlock(t *testing.T) {
 				),
 			},
 			check: func(t *testing.T, s *Service) {
-				if baCount := len(s.cfg.AttPool.BlockAttestations()); baCount != 2 {
+				if baCount := len(s.cfg.AttPool.BlockAttestations()); baCount != 0 {
 					t.Errorf("Did not get the correct number of block attestations saved to the pool. "+
-						"Got %d but wanted %d", baCount, 2)
+						"Got %d but wanted %d", baCount, 0)
 				}
 			},
 		},

beacon-chain/blockchain/service.go

@@ -11,42 +11,37 @@ import (
 	"time"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/async/event"
-	"github.com/prysmaticlabs/prysm/beacon-chain/cache"
-	"github.com/prysmaticlabs/prysm/beacon-chain/cache/depositcache"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/feed"
-	statefeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/transition"
-	"github.com/prysmaticlabs/prysm/beacon-chain/db"
-	"github.com/prysmaticlabs/prysm/beacon-chain/execution"
-	f "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice"
-	doublylinkedtree "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/doubly-linked-tree"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
-	forkchoicetypes "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/types"
-	"github.com/prysmaticlabs/prysm/beacon-chain/operations/attestations"
-	"github.com/prysmaticlabs/prysm/beacon-chain/operations/slashings"
-	"github.com/prysmaticlabs/prysm/beacon-chain/operations/voluntaryexits"
-	"github.com/prysmaticlabs/prysm/beacon-chain/p2p"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
-	"github.com/prysmaticlabs/prysm/cmd/beacon-chain/flags"
-	"github.com/prysmaticlabs/prysm/config/features"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	prysmTime "github.com/prysmaticlabs/prysm/time"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/async/event"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache/depositcache"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed"
+	statefeed "github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/transition"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/db"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/execution"
+	f "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice"
+	doublylinkedtree "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/protoarray"
+	forkchoicetypes "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/types"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/operations/attestations"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/operations/slashings"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/operations/voluntaryexits"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/p2p"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
+	"github.com/prysmaticlabs/prysm/v3/config/features"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	prysmTime "github.com/prysmaticlabs/prysm/v3/time"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	"go.opencensus.io/trace"
 )
 
-// headSyncMinEpochsAfterCheckpoint defines how many epochs should elapse after known finalization
-// checkpoint for head sync to be triggered.
-const headSyncMinEpochsAfterCheckpoint = 128
-
 // Service represents a service that handles the internal
 // logic of managing the full PoS beacon chain.
 type Service struct {
@@ -161,6 +156,15 @@ func (s *Service) Stop() error {
 // Status always returns nil unless there is an error condition that causes
 // this service to be unhealthy.
 func (s *Service) Status() error {
+	optimistic, err := s.IsOptimistic(s.ctx)
+	if err != nil {
+		return errors.Wrap(err, "failed to check if service is optimistic")
+	}
+	if optimistic {
+		return errors.New("service is optimistic, and only limited service functionality is provided " +
+			"please check if execution layer is fully synced")
+	}
+
 	if s.originBlockRoot == params.BeaconConfig().ZeroHash {
 		return errors.New("genesis state has not been created")
 	}
@@ -204,7 +208,7 @@ func (s *Service) StartFromSavedState(saved state.BeaconState) error {
 
 	var forkChoicer f.ForkChoicer
 	fRoot := s.ensureRootNotZeros(bytesutil.ToBytes32(finalized.Root))
-	if features.Get().EnableForkChoiceDoublyLinkedTree {
+	if !features.Get().DisableForkchoiceDoublyLinkedTree {
 		forkChoicer = doublylinkedtree.New()
 	} else {
 		forkChoicer = protoarray.New()
@@ -227,14 +231,15 @@ func (s *Service) StartFromSavedState(saved state.BeaconState) error {
 	if err := forkChoicer.InsertNode(s.ctx, st, fRoot); err != nil {
 		return errors.Wrap(err, "could not insert finalized block to forkchoice")
 	}
-
-	lastValidatedCheckpoint, err := s.cfg.BeaconDB.LastValidatedCheckpoint(s.ctx)
-	if err != nil {
-		return errors.Wrap(err, "could not get last validated checkpoint")
-	}
-	if bytes.Equal(finalized.Root, lastValidatedCheckpoint.Root) {
-		if err := forkChoicer.SetOptimisticToValid(s.ctx, fRoot); err != nil {
-			return errors.Wrap(err, "could not set finalized block as validated")
+	if !features.Get().EnableStartOptimistic {
+		lastValidatedCheckpoint, err := s.cfg.BeaconDB.LastValidatedCheckpoint(s.ctx)
+		if err != nil {
+			return errors.Wrap(err, "could not get last validated checkpoint")
+		}
+		if bytes.Equal(finalized.Root, lastValidatedCheckpoint.Root) {
+			if err := forkChoicer.SetOptimisticToValid(s.ctx, fRoot); err != nil {
+				return errors.Wrap(err, "could not set finalized block as validated")
+			}
 		}
 	}
 	// not attempting to save initial sync blocks here, because there shouldn't be any until
@@ -302,43 +307,6 @@ func (s *Service) initializeHeadFromDB(ctx context.Context) error {
 		return errors.Wrap(err, "could not get finalized state from db")
 	}
 
-	if flags.Get().HeadSync {
-		headBlock, err := s.cfg.BeaconDB.HeadBlock(ctx)
-		if err != nil {
-			return errors.Wrap(err, "could not retrieve head block")
-		}
-		headEpoch := slots.ToEpoch(headBlock.Block().Slot())
-		var epochsSinceFinality types.Epoch
-		if headEpoch > finalized.Epoch {
-			epochsSinceFinality = headEpoch - finalized.Epoch
-		}
-		// Head sync when node is far enough beyond known finalized epoch,
-		// this becomes really useful during long period of non-finality.
-		if epochsSinceFinality >= headSyncMinEpochsAfterCheckpoint {
-			headRoot, err := headBlock.Block().HashTreeRoot()
-			if err != nil {
-				return errors.Wrap(err, "could not hash head block")
-			}
-			finalizedState, err := s.cfg.StateGen.Resume(ctx, s.cfg.FinalizedStateAtStartUp)
-			if err != nil {
-				return errors.Wrap(err, "could not get finalized state from db")
-			}
-			log.Infof("Regenerating state from the last checkpoint at slot %d to current head slot of %d."+
-				"This process may take a while, please wait.", finalizedState.Slot(), headBlock.Block().Slot())
-			headState, err := s.cfg.StateGen.StateByRoot(ctx, headRoot)
-			if err != nil {
-				return errors.Wrap(err, "could not retrieve head state")
-			}
-			if err := s.setHead(headRoot, headBlock, headState); err != nil {
-				return errors.Wrap(err, "could not set head")
-			}
-			return nil
-		} else {
-			log.Warnf("Finalized checkpoint at slot %d is too close to the current head slot, "+
-				"resetting head from the checkpoint ('--%s' flag is ignored).",
-				finalizedState.Slot(), flags.HeadSync.Name)
-		}
-	}
 	if finalizedState == nil || finalizedState.IsNil() {
 		return errors.New("finalized state can't be nil")
 	}

beacon-chain/blockchain/service_norace_test.go

@@ -5,10 +5,10 @@ import (
 	"io"
 	"testing"
 
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	"github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
 	"github.com/sirupsen/logrus"
 )
 

beacon-chain/blockchain/service_test.go

@@ -8,35 +8,35 @@ import (
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/prysmaticlabs/prysm/async/event"
-	mock "github.com/prysmaticlabs/prysm/beacon-chain/blockchain/testing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/cache/depositcache"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/blocks"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/feed"
-	statefeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/transition"
-	"github.com/prysmaticlabs/prysm/beacon-chain/db"
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/execution"
-	mockExecution "github.com/prysmaticlabs/prysm/beacon-chain/execution/testing"
-	doublylinkedtree "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/doubly-linked-tree"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
-	"github.com/prysmaticlabs/prysm/beacon-chain/operations/attestations"
-	"github.com/prysmaticlabs/prysm/beacon-chain/p2p"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
-	v1 "github.com/prysmaticlabs/prysm/beacon-chain/state/v1"
-	"github.com/prysmaticlabs/prysm/cmd/beacon-chain/flags"
-	"github.com/prysmaticlabs/prysm/config/params"
-	consensusblocks "github.com/prysmaticlabs/prysm/consensus-types/blocks"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	"github.com/prysmaticlabs/prysm/container/trie"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/async/event"
+	mock "github.com/prysmaticlabs/prysm/v3/beacon-chain/blockchain/testing"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache/depositcache"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/blocks"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed"
+	statefeed "github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/transition"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/db"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/execution"
+	mockExecution "github.com/prysmaticlabs/prysm/v3/beacon-chain/execution/testing"
+	doublylinkedtree "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/protoarray"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/operations/attestations"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/p2p"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
+	v1 "github.com/prysmaticlabs/prysm/v3/beacon-chain/state/v1"
+	"github.com/prysmaticlabs/prysm/v3/config/features"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	consensusblocks "github.com/prysmaticlabs/prysm/v3/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	"github.com/prysmaticlabs/prysm/v3/container/trie"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 	"google.golang.org/protobuf/proto"
 )
@@ -107,7 +107,7 @@ func setupBeaconChain(t *testing.T, beaconDB db.Database) *Service {
 	web3Service, err = execution.NewService(
 		ctx,
 		execution.WithDatabase(beaconDB),
-		execution.WithHttpEndpoints([]string{endpoint}),
+		execution.WithHttpEndpoint(endpoint),
 		execution.WithDepositContractAddress(common.Address{}),
 	)
 	require.NoError(t, err, "Unable to set up web3 service")
@@ -129,7 +129,7 @@ func setupBeaconChain(t *testing.T, beaconDB db.Database) *Service {
 		WithAttestationPool(attestations.NewPool()),
 		WithP2PBroadcaster(&mockBroadcaster{}),
 		WithStateNotifier(&mockBeaconNode{}),
-		WithForkChoiceStore(protoarray.New()),
+		WithForkChoiceStore(doublylinkedtree.New()),
 		WithAttestationService(attService),
 		WithStateGen(stateGen),
 	}
@@ -373,99 +373,11 @@ func TestChainService_InitializeChainInfo_SetHeadAtGenesis(t *testing.T) {
 	assert.DeepEqual(t, headBlock, pb)
 }
 
-func TestChainService_InitializeChainInfo_HeadSync(t *testing.T) {
-	resetFlags := flags.Get()
-	flags.Init(&flags.GlobalFlags{
-		HeadSync: true,
-	})
-	defer func() {
-		flags.Init(resetFlags)
-	}()
-
-	hook := logTest.NewGlobal()
-	finalizedSlot := params.BeaconConfig().SlotsPerEpoch*2 + 1
-	beaconDB := testDB.SetupDB(t)
-	ctx := context.Background()
-
-	genesisBlock := util.NewBeaconBlock()
-	genesisRoot, err := genesisBlock.Block.HashTreeRoot()
-	require.NoError(t, err)
-	require.NoError(t, beaconDB.SaveGenesisBlockRoot(ctx, genesisRoot))
-	util.SaveBlock(t, ctx, beaconDB, genesisBlock)
-
-	finalizedBlock := util.NewBeaconBlock()
-	finalizedBlock.Block.Slot = finalizedSlot
-	finalizedBlock.Block.ParentRoot = genesisRoot[:]
-	finalizedRoot, err := finalizedBlock.Block.HashTreeRoot()
-	require.NoError(t, err)
-	util.SaveBlock(t, ctx, beaconDB, finalizedBlock)
-
-	// Set head slot close to the finalization point, no head sync is triggered.
-	headBlock := util.NewBeaconBlock()
-	headBlock.Block.Slot = finalizedSlot + params.BeaconConfig().SlotsPerEpoch*5
-	headBlock.Block.ParentRoot = finalizedRoot[:]
-	headRoot, err := headBlock.Block.HashTreeRoot()
-	require.NoError(t, err)
-	util.SaveBlock(t, ctx, beaconDB, headBlock)
-
-	headState, err := util.NewBeaconState()
-	require.NoError(t, err)
-	require.NoError(t, headState.SetSlot(headBlock.Block.Slot))
-	require.NoError(t, headState.SetGenesisValidatorsRoot(params.BeaconConfig().ZeroHash[:]))
-	require.NoError(t, beaconDB.SaveState(ctx, headState, headRoot))
-	require.NoError(t, beaconDB.SaveState(ctx, headState, finalizedRoot))
-	require.NoError(t, beaconDB.SaveHeadBlockRoot(ctx, headRoot))
-	require.NoError(t, beaconDB.SaveFinalizedCheckpoint(ctx, &ethpb.Checkpoint{
-		Epoch: slots.ToEpoch(finalizedBlock.Block.Slot),
-		Root:  finalizedRoot[:],
-	}))
-
-	attSrv, err := attestations.NewService(ctx, &attestations.Config{})
-	require.NoError(t, err)
-	stateGen := stategen.New(beaconDB)
-	c, err := NewService(ctx, WithDatabase(beaconDB), WithStateGen(stateGen), WithAttestationService(attSrv), WithStateNotifier(&mock.MockStateNotifier{}), WithFinalizedStateAtStartUp(headState))
-	require.NoError(t, err)
-	require.NoError(t, c.StartFromSavedState(headState))
-	s, err := c.HeadState(ctx)
-	require.NoError(t, err)
-	assert.DeepSSZEqual(t, headState.InnerStateUnsafe(), s.InnerStateUnsafe(), "Head state incorrect")
-	assert.Equal(t, genesisRoot, c.originBlockRoot, "Genesis block root incorrect")
-	// Since head sync is not triggered, chain is initialized to the last finalization checkpoint.
-	pb, err := c.head.block.Proto()
-	require.NoError(t, err)
-	assert.DeepEqual(t, finalizedBlock, pb)
-	assert.LogsContain(t, hook, "resetting head from the checkpoint ('--head-sync' flag is ignored)")
-	assert.LogsDoNotContain(t, hook, "Regenerating state from the last checkpoint at slot")
-
-	// Set head slot far beyond the finalization point, head sync should be triggered.
-	headBlock = util.NewBeaconBlock()
-	headBlock.Block.Slot = finalizedSlot + params.BeaconConfig().SlotsPerEpoch*headSyncMinEpochsAfterCheckpoint
-	headBlock.Block.ParentRoot = finalizedRoot[:]
-	headRoot, err = headBlock.Block.HashTreeRoot()
-	require.NoError(t, err)
-	util.SaveBlock(t, ctx, beaconDB, headBlock)
-	require.NoError(t, beaconDB.SaveState(ctx, headState, headRoot))
-	require.NoError(t, beaconDB.SaveHeadBlockRoot(ctx, headRoot))
-
-	hook.Reset()
-	require.NoError(t, c.initializeHeadFromDB(ctx))
-	s, err = c.HeadState(ctx)
-	require.NoError(t, err)
-	assert.DeepSSZEqual(t, headState.InnerStateUnsafe(), s.InnerStateUnsafe(), "Head state incorrect")
-	assert.Equal(t, genesisRoot, c.originBlockRoot, "Genesis block root incorrect")
-	// Head slot is far beyond the latest finalized checkpoint, head sync is triggered.
-	pb, err = c.head.block.Proto()
-	require.NoError(t, err)
-	assert.DeepEqual(t, headBlock, pb)
-	assert.LogsContain(t, hook, "Regenerating state from the last checkpoint at slot 225")
-	assert.LogsDoNotContain(t, hook, "resetting head from the checkpoint ('--head-sync' flag is ignored)")
-}
-
 func TestChainService_SaveHeadNoDB(t *testing.T) {
 	beaconDB := testDB.SetupDB(t)
 	ctx := context.Background()
 	s := &Service{
-		cfg: &config{BeaconDB: beaconDB, StateGen: stategen.New(beaconDB), ForkChoiceStore: protoarray.New()},
+		cfg: &config{BeaconDB: beaconDB, StateGen: stategen.New(beaconDB), ForkChoiceStore: doublylinkedtree.New()},
 	}
 	blk := util.NewBeaconBlock()
 	blk.Block.Slot = 1
@@ -498,7 +410,7 @@ func TestHasBlock_ForkChoiceAndDB_ProtoArray(t *testing.T) {
 	require.NoError(t, err)
 	wsb, err := consensusblocks.NewSignedBeaconBlock(b)
 	require.NoError(t, err)
-	require.NoError(t, s.insertBlockAndAttestationsToForkChoiceStore(ctx, wsb.Block(), r, beaconState))
+	require.NoError(t, s.insertBlockToForkchoiceStore(ctx, wsb.Block(), r, beaconState))
 
 	assert.Equal(t, false, s.hasBlock(ctx, [32]byte{}), "Should not have block")
 	assert.Equal(t, true, s.hasBlock(ctx, r), "Should have block")
@@ -517,7 +429,7 @@ func TestHasBlock_ForkChoiceAndDB_DoublyLinkedTree(t *testing.T) {
 	require.NoError(t, err)
 	wsb, err := consensusblocks.NewSignedBeaconBlock(b)
 	require.NoError(t, err)
-	require.NoError(t, s.insertBlockAndAttestationsToForkChoiceStore(ctx, wsb.Block(), r, beaconState))
+	require.NoError(t, s.insertBlockToForkchoiceStore(ctx, wsb.Block(), r, beaconState))
 
 	assert.Equal(t, false, s.hasBlock(ctx, [32]byte{}), "Should not have block")
 	assert.Equal(t, true, s.hasBlock(ctx, r), "Should have block")
@@ -589,7 +501,7 @@ func BenchmarkHasBlockForkChoiceStore_ProtoArray(b *testing.B) {
 	require.NoError(b, err)
 	wsb, err := consensusblocks.NewSignedBeaconBlock(blk)
 	require.NoError(b, err)
-	require.NoError(b, s.insertBlockAndAttestationsToForkChoiceStore(ctx, wsb.Block(), r, beaconState))
+	require.NoError(b, s.insertBlockToForkchoiceStore(ctx, wsb.Block(), r, beaconState))
 
 	b.ResetTimer()
 	for i := 0; i < b.N; i++ {
@@ -610,10 +522,52 @@ func BenchmarkHasBlockForkChoiceStore_DoublyLinkedTree(b *testing.B) {
 	require.NoError(b, err)
 	wsb, err := consensusblocks.NewSignedBeaconBlock(blk)
 	require.NoError(b, err)
-	require.NoError(b, s.insertBlockAndAttestationsToForkChoiceStore(ctx, wsb.Block(), r, beaconState))
+	require.NoError(b, s.insertBlockToForkchoiceStore(ctx, wsb.Block(), r, beaconState))
 
 	b.ResetTimer()
 	for i := 0; i < b.N; i++ {
 		require.Equal(b, true, s.cfg.ForkChoiceStore.HasNode(r), "Block is not in fork choice store")
 	}
 }
+
+func TestChainService_EverythingOptimistic(t *testing.T) {
+	resetFn := features.InitWithReset(&features.Flags{
+		EnableStartOptimistic: true,
+	})
+	defer resetFn()
+	beaconDB := testDB.SetupDB(t)
+	ctx := context.Background()
+
+	genesis := util.NewBeaconBlock()
+	genesisRoot, err := genesis.Block.HashTreeRoot()
+	require.NoError(t, err)
+	require.NoError(t, beaconDB.SaveGenesisBlockRoot(ctx, genesisRoot))
+	util.SaveBlock(t, ctx, beaconDB, genesis)
+
+	finalizedSlot := params.BeaconConfig().SlotsPerEpoch*2 + 1
+	headBlock := util.NewBeaconBlock()
+	headBlock.Block.Slot = finalizedSlot
+	headBlock.Block.ParentRoot = bytesutil.PadTo(genesisRoot[:], 32)
+	headState, err := util.NewBeaconState()
+	require.NoError(t, err)
+	require.NoError(t, headState.SetSlot(finalizedSlot))
+	require.NoError(t, headState.SetGenesisValidatorsRoot(params.BeaconConfig().ZeroHash[:]))
+	headRoot, err := headBlock.Block.HashTreeRoot()
+	require.NoError(t, err)
+	require.NoError(t, beaconDB.SaveState(ctx, headState, headRoot))
+	require.NoError(t, beaconDB.SaveState(ctx, headState, genesisRoot))
+	util.SaveBlock(t, ctx, beaconDB, headBlock)
+	require.NoError(t, beaconDB.SaveFinalizedCheckpoint(ctx, &ethpb.Checkpoint{Epoch: slots.ToEpoch(finalizedSlot), Root: headRoot[:]}))
+	attSrv, err := attestations.NewService(ctx, &attestations.Config{})
+	require.NoError(t, err)
+	stateGen := stategen.New(beaconDB)
+	c, err := NewService(ctx, WithDatabase(beaconDB), WithStateGen(stateGen), WithAttestationService(attSrv), WithStateNotifier(&mock.MockStateNotifier{}), WithFinalizedStateAtStartUp(headState))
+	require.NoError(t, err)
+	require.NoError(t, stateGen.SaveState(ctx, headRoot, headState))
+	require.NoError(t, beaconDB.SaveLastValidatedCheckpoint(ctx, &ethpb.Checkpoint{Epoch: slots.ToEpoch(finalizedSlot), Root: headRoot[:]}))
+	require.NoError(t, c.StartFromSavedState(headState))
+	require.Equal(t, true, c.cfg.ForkChoiceStore.HasNode(headRoot))
+	op, err := c.cfg.ForkChoiceStore.IsOptimistic(headRoot)
+	require.NoError(t, err)
+	require.Equal(t, true, op)
+}

beacon-chain/blockchain/state_balance_cache.go

@@ -5,10 +5,10 @@ import (
 	"errors"
 	"sync"
 
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/time"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/time"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state/stategen"
 )
 
 type stateBalanceCache struct {

beacon-chain/blockchain/state_balance_cache_test.go

@@ -6,13 +6,13 @@ import (
 	"errors"
 	"testing"
 
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	v2 "github.com/prysmaticlabs/prysm/beacon-chain/state/v2"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	v2 "github.com/prysmaticlabs/prysm/v3/beacon-chain/state/v2"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 )
 
 type testStateOpt func(*ethpb.BeaconStateAltair)

beacon-chain/blockchain/testing/BUILD.bazel

@@ -4,7 +4,7 @@ go_library(
     name = "go_default_library",
     testonly = True,
     srcs = ["mock.go"],
-    importpath = "github.com/prysmaticlabs/prysm/beacon-chain/blockchain/testing",
+    importpath = "github.com/prysmaticlabs/prysm/v3/beacon-chain/blockchain/testing",
     visibility = [
         "//beacon-chain:__subpackages__",
         "//testing:__subpackages__",

beacon-chain/blockchain/testing/mock.go

@@ -9,22 +9,22 @@ import (
 	"time"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/async/event"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/epoch/precompute"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/feed"
-	blockfeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/block"
-	opfeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/operation"
-	statefeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
-	"github.com/prysmaticlabs/prysm/beacon-chain/db"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/async/event"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/epoch/precompute"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed"
+	blockfeed "github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed/block"
+	opfeed "github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed/operation"
+	statefeed "github.com/prysmaticlabs/prysm/v3/beacon-chain/core/feed/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/db"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	fieldparams "github.com/prysmaticlabs/prysm/v3/config/fieldparams"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	"github.com/prysmaticlabs/prysm/v3/consensus-types/interfaces"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
 	"github.com/sirupsen/logrus"
 )
 

beacon-chain/blockchain/weak_subjectivity_checks.go

@@ -5,12 +5,12 @@ import (
 	"fmt"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/beacon-chain/db/filters"
-	"github.com/prysmaticlabs/prysm/config/params"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/db/filters"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 )
 
 type weakSubjectivityDB interface {
@@ -30,8 +30,7 @@ type WeakSubjectivityVerifier struct {
 // NewWeakSubjectivityVerifier validates a checkpoint, and if valid, uses it to initialize a weak subjectivity verifier.
 func NewWeakSubjectivityVerifier(wsc *ethpb.Checkpoint, db weakSubjectivityDB) (*WeakSubjectivityVerifier, error) {
 	if wsc == nil || len(wsc.Root) == 0 || wsc.Epoch == 0 {
-		log.Info("--weak-subjectivity-checkpoint not provided. Prysm recommends providing a weak subjectivity checkpoint" +
-			"for nodes synced from genesis, or manual verification of block and state roots for checkpoint sync nodes.")
+		log.Debug("--weak-subjectivity-checkpoint not provided")
 		return &WeakSubjectivityVerifier{
 			enabled: false,
 		}, nil

beacon-chain/blockchain/weak_subjectivity_checks_test.go

@@ -5,16 +5,16 @@ import (
 	"testing"
 
 	"github.com/pkg/errors"
-	testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
-	"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
-	forkchoicetypes "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/types"
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
-	"github.com/prysmaticlabs/prysm/time/slots"
+	testDB "github.com/prysmaticlabs/prysm/v3/beacon-chain/db/testing"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/protoarray"
+	forkchoicetypes "github.com/prysmaticlabs/prysm/v3/beacon-chain/forkchoice/types"
+	fieldparams "github.com/prysmaticlabs/prysm/v3/config/fieldparams"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/util"
+	"github.com/prysmaticlabs/prysm/v3/time/slots"
 )
 
 func TestService_VerifyWeakSubjectivityRoot(t *testing.T) {

beacon-chain/builder/BUILD.bazel

@@ -7,7 +7,7 @@ go_library(
         "option.go",
         "service.go",
     ],
-    importpath = "github.com/prysmaticlabs/prysm/beacon-chain/builder",
+    importpath = "github.com/prysmaticlabs/prysm/v3/beacon-chain/builder",
     visibility = ["//visibility:public"],
     deps = [
         "//api/client/builder:go_default_library",

beacon-chain/builder/option.go

@@ -1,11 +1,11 @@
 package builder
 
 import (
-	"github.com/prysmaticlabs/prysm/beacon-chain/blockchain"
-	"github.com/prysmaticlabs/prysm/beacon-chain/db"
-	"github.com/prysmaticlabs/prysm/cmd/beacon-chain/flags"
-	"github.com/prysmaticlabs/prysm/network"
-	"github.com/prysmaticlabs/prysm/network/authorization"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/blockchain"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/db"
+	"github.com/prysmaticlabs/prysm/v3/cmd/beacon-chain/flags"
+	"github.com/prysmaticlabs/prysm/v3/network"
+	"github.com/prysmaticlabs/prysm/v3/network/authorization"
 	"github.com/urfave/cli/v2"
 )
 

beacon-chain/builder/service.go

@@ -2,22 +2,24 @@ package builder
 
 import (
 	"context"
-	"fmt"
 	"time"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/api/client/builder"
-	"github.com/prysmaticlabs/prysm/beacon-chain/blockchain"
-	"github.com/prysmaticlabs/prysm/beacon-chain/db"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	"github.com/prysmaticlabs/prysm/network"
-	v1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/api/client/builder"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/blockchain"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/db"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/encoding/bytesutil"
+	"github.com/prysmaticlabs/prysm/v3/network"
+	v1 "github.com/prysmaticlabs/prysm/v3/proto/engine/v1"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
 	log "github.com/sirupsen/logrus"
 	"go.opencensus.io/trace"
 )
 
+// ErrNoBuilder is used when builder endpoint is not configured.
+var ErrNoBuilder = errors.New("builder endpoint not configured")
+
 // BlockBuilder defines the interface for interacting with the block builder
 type BlockBuilder interface {
 	SubmitBlindedBlock(ctx context.Context, block *ethpb.SignedBlindedBeaconBlockBellatrix) (*v1.ExecutionPayload, error)
@@ -63,10 +65,12 @@ func NewService(ctx context.Context, opts ...Option) (*Service, error) {
 
 		// Is the builder up?
 		if err := s.c.Status(ctx); err != nil {
-			return nil, fmt.Errorf("could not connect to builder: %v", err)
+			log.WithError(err).Error("Failed to check builder status")
+		} else {
+			log.WithField("endpoint", c.NodeURL()).Info("Builder has been configured")
+			log.Warn("Outsourcing block construction to external builders adds non-trivial delay to block propagation time.  " +
+				"Builder-constructed blocks or fallback blocks may get orphaned. Use at your own risk!")
 		}
-
-		log.WithField("endpoint", c.NodeURL()).Info("Builder has been configured")
 	}
 	return s, nil
 }

beacon-chain/builder/testing/BUILD.bazel

@@ -4,7 +4,7 @@ go_library(
     name = "go_default_library",
     testonly = True,
     srcs = ["mock.go"],
-    importpath = "github.com/prysmaticlabs/prysm/beacon-chain/builder/testing",
+    importpath = "github.com/prysmaticlabs/prysm/v3/beacon-chain/builder/testing",
     visibility = ["//visibility:public"],
     deps = [
         "//consensus-types/primitives:go_default_library",

beacon-chain/builder/testing/mock.go

@@ -3,9 +3,9 @@ package testing
 import (
 	"context"
 
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	v1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	v1 "github.com/prysmaticlabs/prysm/v3/proto/engine/v1"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
 )
 
 // MockBuilderService to mock builder.

beacon-chain/cache/BUILD.bazel

@@ -24,7 +24,7 @@ go_library(
         "sync_committee_head_state.go",
         "sync_subnet_ids.go",
     ],
-    importpath = "github.com/prysmaticlabs/prysm/beacon-chain/cache",
+    importpath = "github.com/prysmaticlabs/prysm/v3/beacon-chain/cache",
     visibility = [
         "//beacon-chain:__subpackages__",
         "//testing/spectest:__subpackages__",

beacon-chain/cache/active_balance.go

@@ -10,10 +10,10 @@ import (
 	"github.com/pkg/errors"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	lruwrpr "github.com/prysmaticlabs/prysm/cache/lru"
-	"github.com/prysmaticlabs/prysm/config/params"
-	ethTypes "github.com/prysmaticlabs/prysm/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
+	lruwrpr "github.com/prysmaticlabs/prysm/v3/cache/lru"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	ethTypes "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
 )
 
 const (

beacon-chain/cache/active_balance_disabled.go

@@ -6,7 +6,7 @@ import (
 	"sync"
 
 	lru "github.com/hashicorp/golang-lru"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
 )
 
 // FakeBalanceCache is a fake struct with 1 LRU cache for looking up balance by epoch.

beacon-chain/cache/active_balance_test.go

@@ -7,11 +7,11 @@ import (
 	"math"
 	"testing"
 
-	state "github.com/prysmaticlabs/prysm/beacon-chain/state/v1"
-	"github.com/prysmaticlabs/prysm/config/params"
-	types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/require"
+	state "github.com/prysmaticlabs/prysm/v3/beacon-chain/state/v1"
+	"github.com/prysmaticlabs/prysm/v3/config/params"
+	types "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 )
 
 func TestBalanceCache_AddGetBalance(t *testing.T) {

beacon-chain/cache/attestation_data.go

@@ -10,7 +10,7 @@ import (
 
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
 	"k8s.io/client-go/tools/cache"
 )
 

beacon-chain/cache/attestation_data_test.go

@@ -4,9 +4,9 @@ import (
 	"context"
 	"testing"
 
-	"github.com/prysmaticlabs/prysm/beacon-chain/cache"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/assert"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache"
+	ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v3/testing/assert"
 	"google.golang.org/protobuf/proto"
 )