Logging

* remove validator count API call and update logs

* fixing test

* changelog

* removing unused function

* gaz

* casing

* fixing more tests

.policy.yml

@@ -26,7 +26,6 @@ approval_rules:
       only_changed_files:
         paths:
           - "*pb.go"
-          - "*pb.gw.go"
           - "*.bazel"
     options:
       ignore_commits_by:
@@ -69,7 +68,6 @@ approval_rules:
       changed_files:
         ignore:
           - "*pb.go"
-          - "*pb.gw.go"
           - "*.bazel"
     options:
       ignore_commits_by:

CHANGELOG.md

@@ -4,7 +4,97 @@ All notable changes to this project will be documented in this file.
 
 The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.
 
-## [Unreleased](https://github.com/prysmaticlabs/prysm/compare/v5.1.0...HEAD)
+## [Unreleased](https://github.com/prysmaticlabs/prysm/compare/v5.1.2...HEAD)
+
+### Added
+
+- Electra EIP6110: Queue deposit [pr](https://github.com/prysmaticlabs/prysm/pull/14430)
+- Add Bellatrix tests for light client functions.
+- Add Discovery Rebooter Feature.
+- Added GetBlockAttestationsV2 endpoint.
+- Light client support: Consensus types for Electra
+- Added SubmitPoolAttesterSlashingV2 endpoint.
+- Added SubmitAggregateAndProofsRequestV2 endpoint.
+- Updated the `beacon-chain/monitor` package to Electra. [PR](https://github.com/prysmaticlabs/prysm/pull/14562)
+- Added ListAttestationsV2 endpoint.
+- Add ability to rollback node's internal state during processing.
+
+### Changed
+
+- Electra EIP6110: Queue deposit requests changes from consensus spec pr #3818
+- reversed the boolean return on `BatchVerifyDepositsSignatures`, from need verification, to all keys successfully verified
+- Fix `engine_exchangeCapabilities` implementation.
+- Updated the default `scrape-interval` in `Client-stats` to 2 minutes to accommodate Beaconcha.in API rate limits.
+- Switch to compounding when consolidating with source==target.
+- Revert block db save when saving state fails.
+- Return false from HasBlock if the block is being synced. 
+- Cleanup forkchoice on failed insertions.
+- Use read only validator for core processing to avoid unnecessary copying.
+- Use ROBlock across block processing pipeline.
+- Added missing Eth-Consensus-Version headers to GetBlockAttestationsV2 and GetAttesterSlashingsV2 endpoints.
+- Updated pgo profile for beacon chain with holesky data. This improves the profile guided
+  optimizations in the go compiler.
+- Use read only state when computing the active validator list.
+- Simplified `ExitedValidatorIndices`.
+- Simplified `EjectedValidatorIndices`.
+- `engine_newPayloadV4`,`engine_getPayloadV4` are changes due to new execution request serialization decisions, [PR](https://github.com/prysmaticlabs/prysm/pull/14580)
+
+### Deprecated
+
+- `/eth/v1alpha1/validator/activation/stream` grpc wait for activation stream is deprecated. [pr](https://github.com/prysmaticlabs/prysm/pull/14514)
+
+### Removed
+
+- Removed finalized validator index cache, no longer needed.
+- Removed validator queue position log on key reload and wait for activation.
+
+### Fixed
+
+- Fixed mesh size by appending `gParams.Dhi = gossipSubDhi`
+- Fix skipping partial withdrawals count.
+- wait for the async StreamEvent writer to exit before leaving the http handler, avoiding race condition panics [pr](https://github.com/prysmaticlabs/prysm/pull/14557)
+- Certain deb files were returning a 404 which made building new docker images without an existing
+  cache impossible. This has been fixed with updates to rules_oci and bazel-lib.
+- Fixed an issue where the length check between block body KZG commitments and the existing cache from the database was incompatible.
+- Fix `--backfill-oldest-slot` handling - this flag was totally broken, the code would always backfill to the default slot [pr](https://github.com/prysmaticlabs/prysm/pull/14584)
+- Fix keymanager API should return corrected error format for malformed tokens
+- Fix keymanager API so that get keys returns an empty response instead of a 500 error when using an unsupported keystore.
+- Small log imporvement, removing some redundant or duplicate logs
+- EIP7521 - Fixes withdrawal bug by accounting for pending partial withdrawals and deducting already withdrawn amounts from the sweep balance. [PR](https://github.com/prysmaticlabs/prysm/pull/14578)
+
+
+### Security
+
+## [v5.1.2](https://github.com/prysmaticlabs/prysm/compare/v5.1.1...v5.1.2) - 2024-10-16 
+
+This is a hotfix release with one change. 
+
+Prysm v5.1.1 contains an updated implementation of the beacon api streaming events endpoint. This
+new implementation contains a bug that can cause a panic in certain conditions. The issue is
+difficult to reproduce reliably and we are still trying to determine the root cause, but in the
+meantime we are issuing a patch that recovers from the panic to prevent the node from crashing.
+
+This only impacts the v5.1.1 release beacon api event stream endpoints. This endpoint is used by the
+prysm REST mode validator (a feature which requires the validator to be configured to use the beacon
+api intead of prysm's stock grpc endpoints) or accessory software that connects to the events api,
+like https://github.com/ethpandaops/ethereum-metrics-exporter
+
+### Fixed 
+
+- Recover from panics when writing the event stream [#14545](https://github.com/prysmaticlabs/prysm/pull/14545)
+
+## [v5.1.1](https://github.com/prysmaticlabs/prysm/compare/v5.1.0...v5.1.1) - 2024-10-15
+
+This release has a number of features and improvements. Most notably, the feature flag 
+`--enable-experimental-state` has been flipped to "opt out" via `--disable-experimental-state`. 
+The experimental state management design has shown significant improvements in memory usage at
+runtime. Updates to libp2p's gossipsub have some bandwidith stability improvements with support for
+IDONTWANT control messages. 
+
+The gRPC gateway has been deprecated from Prysm in this release. If you need JSON data, consider the
+standardized beacon-APIs. 
+
+Updating to this release is recommended at your convenience.
 
 ### Added
 
@@ -13,9 +103,23 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
 - Light client support: Implement `ComputeFieldRootsForBlockBody`.
 - Light client support: Add light client database changes.
 - Light client support: Implement capella and deneb changes.
+- Light client support: Implement `BlockToLightClientHeader` function.
+- Light client support: Consensus types.
+- GetBeaconStateV2: add Electra case.
+- Implement [consensus-specs/3875](https://github.com/ethereum/consensus-specs/pull/3875).
+- Tests to ensure sepolia config matches the official upstream yaml.
+- `engine_newPayloadV4`,`engine_getPayloadV4` used for electra payload communication with execution client.  [pr](https://github.com/prysmaticlabs/prysm/pull/14492)
+- HTTP endpoint for PublishBlobs.
+- GetBlockV2, GetBlindedBlock, ProduceBlockV2, ProduceBlockV3: add Electra case.
+- Add Electra support and tests for light client functions.
+- fastssz version bump (better error messages).
+- SSE implementation that sheds stuck clients. [pr](https://github.com/prysmaticlabs/prysm/pull/14413)
+- Added GetPoolAttesterSlashingsV2 endpoint.
+- Use engine API get-blobs for block subscriber to reduce block import latency and potentially reduce bandwidth.
 
 ### Changed
 
+- Electra: Updated interop genesis generator to support Electra.
 - `getLocalPayload` has been refactored to enable work in ePBS branch.
 - `TestNodeServer_GetPeer` and `TestNodeServer_ListPeers` test flakes resolved by iterating the whole peer list to find
   a match rather than taking the first peer in the map.
@@ -31,13 +135,28 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
 - `api-timeout` is changed from int flag to duration flag, default value updated.
 - Light client support: abstracted out the light client headers with different versions.
 - `ApplyToEveryValidator` has been changed to prevent misuse bugs, it takes a closure that takes a `ReadOnlyValidator` and returns a raw pointer to a `Validator`. 
+- Removed gorilla mux library and replaced it with net/http updates in go 1.22.
+- Clean up `ProposeBlock` for validator client to reduce cognitive scoring and enable further changes.
+- Updated k8s-io/client-go to v0.30.4 and k8s-io/apimachinery to v0.30.4
+- Migrated tracing library from opencensus to opentelemetry for both the beacon node and validator.
+- Refactored light client code to make it more readable and make future PRs easier.
+- Update light client helper functions to reference `dev` branch of CL specs
+- Updated Libp2p Dependencies to allow prysm to use gossipsub v1.2 .
+- Updated Sepolia bootnodes.
+- Make committee aware packing the default by deprecating `--enable-committee-aware-packing`.
+- Moved `ConvertKzgCommitmentToVersionedHash` to the `primitives` package.
+- Updated correlation penalty for EIP-7251. 
 
 ### Deprecated
 - `--disable-grpc-gateway` flag is deprecated due to grpc gateway removal.
 - `--enable-experimental-state` flag is deprecated. This feature is now on by default. Opt-out with `--disable-experimental-state`.
 
 ### Removed
-- removed gRPC Gateway
+
+- Removed gRPC Gateway.
+- Removed unused blobs bundle cache.
+- Removed consolidation signing domain from params. The Electra design changed such that EL handles consolidation signature verification.
+- Remove engine_getPayloadBodiesBy{Hash|Range}V2
 
 ### Fixed
 
@@ -49,10 +168,18 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
 - validator registration log changed to debug, and the frequency of validator registration calls are reduced
 - Core: Fix process effective balance update to safe copy validator for Electra.
 - `== nil` checks before calling `IsNil()` on interfaces to prevent panics.
-- Core: Fixed slash processing causing extra hashing
+- Core: Fixed slash processing causing extra hashing.
+- Core: Fixed extra allocations when processing slashings.
+- remove unneeded container in blob sidecar ssz response
+- Light client support: create finalized header based on finalizedBlock's version, not attestedBlock.
+- Light client support: fix light client attested header execution fields' wrong version bug.
+- Testing: added custom matcher for better push settings testing.
+- Registered `GetDepositSnapshot` Beacon API endpoint.
 
 ### Security
 
+No notable security updates.
+
 ## [v5.1.0](https://github.com/prysmaticlabs/prysm/compare/v5.0.4...v5.1.0) - 2024-08-20
 
 This release contains 171 new changes and many of these are related to Electra! Along side the Electra changes, there
@@ -2662,7 +2789,7 @@ on your validators.
 **Beacon chain node**
 
 | Metric                                           | Description                                                                                           | References |
-|--------------------------------------------------|-------------------------------------------------------------------------------------------------------|------------|
+| ------------------------------------------------ | ----------------------------------------------------------------------------------------------------- | ---------- |
 | `p2p_message_ignored_validation_total`           | Count of messages that were ignored in validation                                                     |            |
 | `beacon_current_active_validators`               | Current total active validators                                                                       |            |
 | `beacon_processed_deposits_total`                | Total number of deposits processed                                                                    |            |
@@ -2713,9 +2840,9 @@ on your validators.
 #### Changed Metrics
 
 **Beacon chain node**
-| Metric | Old Name | Description | References |
-|-----------------------|----------------------|------------------------------------------------------|------------|
-| `beacon_reorgs_total` | `beacon_reorg_total` | Count the number of times a beacon chain has a reorg | |
+| Metric                | Old Name             | Description                                          | References |
+| --------------------- | -------------------- | ---------------------------------------------------- | ---------- |
+| `beacon_reorgs_total` | `beacon_reorg_total` | Count the number of times a beacon chain has a reorg |            |
 
 ### Deprecated
 

WORKSPACE

@@ -101,9 +101,9 @@ http_archive(
 
 http_archive(
     name = "aspect_bazel_lib",
-    sha256 = "f5ea76682b209cc0bd90d0f5a3b26d2f7a6a2885f0c5f615e72913f4805dbb0d",
-    strip_prefix = "bazel-lib-2.5.0",
-    url = "https://github.com/aspect-build/bazel-lib/releases/download/v2.5.0/bazel-lib-v2.5.0.tar.gz",
+    sha256 = "a272d79bb0ac6b6965aa199b1f84333413452e87f043b53eca7f347a23a478e8",
+    strip_prefix = "bazel-lib-2.9.3",
+    url = "https://github.com/bazel-contrib/bazel-lib/releases/download/v2.9.3/bazel-lib-v2.9.3.tar.gz",
 )
 
 load("@aspect_bazel_lib//lib:repositories.bzl", "aspect_bazel_lib_dependencies", "aspect_bazel_lib_register_toolchains")
@@ -165,7 +165,7 @@ load("@rules_oci//oci:pull.bzl", "oci_pull")
 oci_pull(
     name = "linux_debian11_multiarch_base",  # Debian bullseye
     digest = "sha256:b82f113425c5b5c714151aaacd8039bc141821cdcd3c65202d42bdf9c43ae60b",  # 2023-12-12
-    image = "gcr.io/distroless/cc-debian11",
+    image = "gcr.io/prysmaticlabs/distroless/cc-debian11",
     platforms = [
         "linux/amd64",
         "linux/arm64/v8",
@@ -227,7 +227,7 @@ filegroup(
     url = "https://github.com/ethereum/EIPs/archive/5480440fe51742ed23342b68cf106cefd427e39d.tar.gz",
 )
 
-consensus_spec_version = "v1.5.0-alpha.5"
+consensus_spec_version = "v1.5.0-alpha.8"
 
 bls_test_version = "v0.1.1"
 
@@ -243,7 +243,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    integrity = "sha256-R9vG5HEL5eGMOAmbkKfJ2jfelNqL5V0xBUPiXOiGM6U=",
+    integrity = "sha256-BsGIbEyJuYrzhShGl0tHhR4lP5Qwno8R3k8a6YBR/DA=",
     url = "https://github.com/ethereum/consensus-spec-tests/releases/download/%s/general.tar.gz" % consensus_spec_version,
 )
 
@@ -259,7 +259,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    integrity = "sha256-AEIiEOlf1XuxoRMCsN+kgJMo4LrS05+biTA1p/7Ro00=",
+    integrity = "sha256-DkdvhPP2KiqUOpwFXQIFDCWCwsUDIC/xhTBD+TZevm0=",
     url = "https://github.com/ethereum/consensus-spec-tests/releases/download/%s/minimal.tar.gz" % consensus_spec_version,
 )
 
@@ -275,7 +275,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    integrity = "sha256-LH/Xr20yrJRYnbpjRGupMWTIOWt3cpxZJWXgThwVDsk=",
+    integrity = "sha256-vkZqV0HB8A2Uc56C1Us/p5G57iaHL+zw2No93Xt6M/4=",
     url = "https://github.com/ethereum/consensus-spec-tests/releases/download/%s/mainnet.tar.gz" % consensus_spec_version,
 )
 
@@ -290,7 +290,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    integrity = "sha256-mlytz4MPjKh0DwV7FMiAtnRbJw9B6o78/x66/vmnYc8=",
+    integrity = "sha256-D/HPAW61lKqjoWwl7N0XvhdX+67dCEFAy8JxVzqBGtU=",
     strip_prefix = "consensus-specs-" + consensus_spec_version[1:],
     url = "https://github.com/ethereum/consensus-specs/archive/refs/tags/%s.tar.gz" % consensus_spec_version,
 )
@@ -342,6 +342,22 @@ filegroup(
     url = "https://github.com/eth-clients/holesky/archive/874c199423ccd180607320c38cbaca05d9a1573a.tar.gz",  # 2024-06-18
 )
 
+http_archive(
+    name = "sepolia_testnet",
+    build_file_content = """
+filegroup(
+    name = "configs",
+    srcs = [
+        "metadata/config.yaml",
+    ],
+    visibility = ["//visibility:public"],
+)
+""",
+    integrity = "sha256-cY/UgpCcYEhQf7JefD65FI8tn/A+rAvKhcm2/qiVdqY=",
+    strip_prefix = "sepolia-f2c219a93c4491cee3d90c18f2f8e82aed850eab",
+    url = "https://github.com/eth-clients/sepolia/archive/f2c219a93c4491cee3d90c18f2f8e82aed850eab.tar.gz",  # 2024-09-19
+)
+
 http_archive(
     name = "com_google_protobuf",
     sha256 = "9bd87b8280ef720d3240514f884e56a712f2218f0d693b48050c836028940a42",

api/client/builder/client.go

@@ -146,7 +146,7 @@ func (c *Client) do(ctx context.Context, method string, path string, body io.Rea
 
 	u := c.baseURL.ResolveReference(&url.URL{Path: path})
 
-	span.AddAttributes(trace.StringAttribute("url", u.String()),
+	span.SetAttributes(trace.StringAttribute("url", u.String()),
 		trace.StringAttribute("method", method))
 
 	req, err := http.NewRequestWithContext(ctx, method, u.String(), body)
@@ -259,7 +259,7 @@ func (c *Client) GetHeader(ctx context.Context, slot primitives.Slot, parentHash
 func (c *Client) RegisterValidator(ctx context.Context, svr []*ethpb.SignedValidatorRegistrationV1) error {
 	ctx, span := trace.StartSpan(ctx, "builder.client.RegisterValidator")
 	defer span.End()
-	span.AddAttributes(trace.Int64Attribute("num_reqs", int64(len(svr))))
+	span.SetAttributes(trace.Int64Attribute("num_reqs", int64(len(svr))))
 
 	if len(svr) == 0 {
 		err := errors.Wrap(errMalformedRequest, "empty validator registration list")

api/headers.go

@@ -1,5 +1,7 @@
 package api
 
+import "net/http"
+
 const (
 	VersionHeader                 = "Eth-Consensus-Version"
 	ExecutionPayloadBlindedHeader = "Eth-Execution-Payload-Blinded"
@@ -10,3 +12,9 @@ const (
 	EventStreamMediaType          = "text/event-stream"
 	KeepAlive                     = "keep-alive"
 )
+
+// SetSSEHeaders sets the headers needed for a server-sent event response.
+func SetSSEHeaders(w http.ResponseWriter) {
+	w.Header().Set("Content-Type", EventStreamMediaType)
+	w.Header().Set("Connection", KeepAlive)
+}

api/server/httprest/BUILD.bazel

@@ -10,8 +10,8 @@ go_library(
     importpath = "github.com/prysmaticlabs/prysm/v5/api/server/httprest",
     visibility = ["//visibility:public"],
     deps = [
+        "//api/server/middleware:go_default_library",
         "//runtime:go_default_library",
-        "@com_github_gorilla_mux//:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
     ],
@@ -25,7 +25,6 @@ go_test(
         "//cmd/beacon-chain/flags:go_default_library",
         "//testing/assert:go_default_library",
         "//testing/require:go_default_library",
-        "@com_github_gorilla_mux//:go_default_library",
         "@com_github_sirupsen_logrus//hooks/test:go_default_library",
         "@com_github_urfave_cli_v2//:go_default_library",
     ],

api/server/httprest/options.go

@@ -3,12 +3,22 @@ package httprest
 import (
 	"time"
 
-	"github.com/gorilla/mux"
+	"net/http"
+
+	"github.com/prysmaticlabs/prysm/v5/api/server/middleware"
 )
 
 // Option is a http rest server functional parameter type.
 type Option func(g *Server) error
 
+// WithMiddlewares sets the list of middlewares to be applied on routes.
+func WithMiddlewares(mw []middleware.Middleware) Option {
+	return func(g *Server) error {
+		g.cfg.middlewares = mw
+		return nil
+	}
+}
+
 // WithHTTPAddr sets the full address ( host and port ) of the server.
 func WithHTTPAddr(addr string) Option {
 	return func(g *Server) error {
@@ -18,7 +28,7 @@ func WithHTTPAddr(addr string) Option {
 }
 
 // WithRouter sets the internal router of the server, this is required.
-func WithRouter(r *mux.Router) Option {
+func WithRouter(r *http.ServeMux) Option {
 	return func(g *Server) error {
 		g.cfg.router = r
 		return nil

api/server/httprest/server.go

@@ -5,8 +5,8 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/gorilla/mux"
 	"github.com/pkg/errors"
+	"github.com/prysmaticlabs/prysm/v5/api/server/middleware"
 	"github.com/prysmaticlabs/prysm/v5/runtime"
 )
 
@@ -14,9 +14,10 @@ var _ runtime.Service = (*Server)(nil)
 
 // Config parameters for setting up the http-rest service.
 type config struct {
-	httpAddr string
-	router   *mux.Router
-	timeout  time.Duration
+	httpAddr    string
+	middlewares []middleware.Middleware
+	router      http.Handler
+	timeout     time.Duration
 }
 
 // Server serves HTTP traffic.
@@ -44,11 +45,10 @@ func New(ctx context.Context, opts ...Option) (*Server, error) {
 	}
 	var handler http.Handler
 	defaultReadHeaderTimeout := time.Second
+	handler = middleware.MiddlewareChain(g.cfg.router, g.cfg.middlewares)
 	if g.cfg.timeout > 0*time.Second {
 		defaultReadHeaderTimeout = g.cfg.timeout
-		handler = http.TimeoutHandler(g.cfg.router, g.cfg.timeout, "request timed out")
-	} else {
-		handler = g.cfg.router
+		handler = http.TimeoutHandler(handler, g.cfg.timeout, "request timed out")
 	}
 	g.server = &http.Server{
 		Addr:              g.cfg.httpAddr,

api/server/httprest/server_test.go

@@ -4,12 +4,12 @@ import (
 	"context"
 	"flag"
 	"fmt"
+	"net"
 	"net/http"
 	"net/http/httptest"
 	"net/url"
 	"testing"
 
-	"github.com/gorilla/mux"
 	"github.com/prysmaticlabs/prysm/v5/cmd/beacon-chain/flags"
 	"github.com/prysmaticlabs/prysm/v5/testing/assert"
 	"github.com/prysmaticlabs/prysm/v5/testing/require"
@@ -25,12 +25,13 @@ func TestServer_StartStop(t *testing.T) {
 	ctx := cli.NewContext(&app, set, nil)
 
 	port := ctx.Int(flags.HTTPServerPort.Name)
+	portStr := fmt.Sprintf("%d", port) // Convert port to string
 	host := ctx.String(flags.HTTPServerHost.Name)
-	address := fmt.Sprintf("%s:%d", host, port)
-
+	address := net.JoinHostPort(host, portStr)
+	handler := http.NewServeMux()
 	opts := []Option{
 		WithHTTPAddr(address),
-		WithRouter(mux.NewRouter()),
+		WithRouter(handler),
 	}
 
 	g, err := New(context.Background(), opts...)
@@ -50,13 +51,15 @@ func TestServer_NilHandler_NotFoundHandlerRegistered(t *testing.T) {
 	set := flag.NewFlagSet("test", 0)
 	ctx := cli.NewContext(&app, set, nil)
 
+	handler := http.NewServeMux()
 	port := ctx.Int(flags.HTTPServerPort.Name)
+	portStr := fmt.Sprintf("%d", port) // Convert port to string
 	host := ctx.String(flags.HTTPServerHost.Name)
-	address := fmt.Sprintf("%s:%d", host, port)
+	address := net.JoinHostPort(host, portStr)
 
 	opts := []Option{
 		WithHTTPAddr(address),
-		WithRouter(mux.NewRouter()),
+		WithRouter(handler),
 	}
 
 	g, err := New(context.Background(), opts...)

api/server/middleware/BUILD.bazel

@@ -8,10 +8,7 @@ go_library(
     ],
     importpath = "github.com/prysmaticlabs/prysm/v5/api/server/middleware",
     visibility = ["//visibility:public"],
-    deps = [
-        "@com_github_gorilla_mux//:go_default_library",
-        "@com_github_rs_cors//:go_default_library",
-    ],
+    deps = ["@com_github_rs_cors//:go_default_library"],
 )
 
 go_test(

api/server/middleware/middleware.go

@@ -5,10 +5,11 @@ import (
 	"net/http"
 	"strings"
 
-	"github.com/gorilla/mux"
 	"github.com/rs/cors"
 )
 
+type Middleware func(http.Handler) http.Handler
+
 // NormalizeQueryValuesHandler normalizes an input query of "key=value1,value2,value3" to "key=value1&key=value2&key=value3"
 func NormalizeQueryValuesHandler(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
@@ -21,7 +22,7 @@ func NormalizeQueryValuesHandler(next http.Handler) http.Handler {
 }
 
 // CorsHandler sets the cors settings on api endpoints
-func CorsHandler(allowOrigins []string) mux.MiddlewareFunc {
+func CorsHandler(allowOrigins []string) Middleware {
 	c := cors.New(cors.Options{
 		AllowedOrigins:   allowOrigins,
 		AllowedMethods:   []string{http.MethodPost, http.MethodGet, http.MethodDelete, http.MethodOptions},
@@ -34,7 +35,7 @@ func CorsHandler(allowOrigins []string) mux.MiddlewareFunc {
 }
 
 // ContentTypeHandler checks request for the appropriate media types otherwise returning a http.StatusUnsupportedMediaType error
-func ContentTypeHandler(acceptedMediaTypes []string) mux.MiddlewareFunc {
+func ContentTypeHandler(acceptedMediaTypes []string) Middleware {
 	return func(next http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 			// skip the GET request
@@ -67,7 +68,7 @@ func ContentTypeHandler(acceptedMediaTypes []string) mux.MiddlewareFunc {
 }
 
 // AcceptHeaderHandler checks if the client's response preference is handled
-func AcceptHeaderHandler(serverAcceptedTypes []string) mux.MiddlewareFunc {
+func AcceptHeaderHandler(serverAcceptedTypes []string) Middleware {
 	return func(next http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 			acceptHeader := r.Header.Get("Accept")
@@ -110,3 +111,15 @@ func AcceptHeaderHandler(serverAcceptedTypes []string) mux.MiddlewareFunc {
 		})
 	}
 }
+
+func MiddlewareChain(h http.Handler, mw []Middleware) http.Handler {
+	if len(mw) < 1 {
+		return h
+	}
+
+	wrapped := h
+	for i := len(mw) - 1; i >= 0; i-- {
+		wrapped = mw[i](wrapped)
+	}
+	return wrapped
+}

api/server/structs/BUILD.bazel

@@ -5,6 +5,7 @@ go_library(
     srcs = [
         "block.go",
         "conversions.go",
+        "conversions_blob.go",
         "conversions_block.go",
         "conversions_lightclient.go",
         "conversions_state.go",
@@ -34,6 +35,9 @@ go_library(
         "//encoding/bytesutil:go_default_library",
         "//math:go_default_library",
         "//proto/engine/v1:go_default_library",
+        "//proto/eth/v1:go_default_library",
+        "//proto/eth/v2:go_default_library",
+        "//proto/migration:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "@com_github_ethereum_go_ethereum//common:go_default_library",
         "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",

api/server/structs/block.go

@@ -365,6 +365,7 @@ type BeaconBlockBodyElectra struct {
 	ExecutionPayload      *ExecutionPayloadElectra      `json:"execution_payload"`
 	BLSToExecutionChanges []*SignedBLSToExecutionChange `json:"bls_to_execution_changes"`
 	BlobKzgCommitments    []string                      `json:"blob_kzg_commitments"`
+	ExecutionRequests     *ExecutionRequests            `json:"execution_requests"`
 }
 
 type BlindedBeaconBlockElectra struct {
@@ -403,6 +404,7 @@ type BlindedBeaconBlockBodyElectra struct {
 	ExecutionPayloadHeader *ExecutionPayloadHeaderElectra `json:"execution_payload_header"`
 	BLSToExecutionChanges  []*SignedBLSToExecutionChange  `json:"bls_to_execution_changes"`
 	BlobKzgCommitments     []string                       `json:"blob_kzg_commitments"`
+	ExecutionRequests      *ExecutionRequests             `json:"execution_requests"`
 }
 
 type SignedBeaconBlockHeaderContainer struct {
@@ -514,6 +516,8 @@ type ExecutionPayloadDeneb struct {
 	ExcessBlobGas string        `json:"excess_blob_gas"`
 }
 
+type ExecutionPayloadElectra = ExecutionPayloadDeneb
+
 type ExecutionPayloadHeaderDeneb struct {
 	ParentHash       string `json:"parent_hash"`
 	FeeRecipient     string `json:"fee_recipient"`
@@ -534,48 +538,10 @@ type ExecutionPayloadHeaderDeneb struct {
 	ExcessBlobGas    string `json:"excess_blob_gas"`
 }
 
-type ExecutionPayloadElectra struct {
-	ParentHash            string                  `json:"parent_hash"`
-	FeeRecipient          string                  `json:"fee_recipient"`
-	StateRoot             string                  `json:"state_root"`
-	ReceiptsRoot          string                  `json:"receipts_root"`
-	LogsBloom             string                  `json:"logs_bloom"`
-	PrevRandao            string                  `json:"prev_randao"`
-	BlockNumber           string                  `json:"block_number"`
-	GasLimit              string                  `json:"gas_limit"`
-	GasUsed               string                  `json:"gas_used"`
-	Timestamp             string                  `json:"timestamp"`
-	ExtraData             string                  `json:"extra_data"`
-	BaseFeePerGas         string                  `json:"base_fee_per_gas"`
-	BlockHash             string                  `json:"block_hash"`
-	Transactions          []string                `json:"transactions"`
-	Withdrawals           []*Withdrawal           `json:"withdrawals"`
-	BlobGasUsed           string                  `json:"blob_gas_used"`
-	ExcessBlobGas         string                  `json:"excess_blob_gas"`
-	DepositRequests       []*DepositRequest       `json:"deposit_requests"`
-	WithdrawalRequests    []*WithdrawalRequest    `json:"withdrawal_requests"`
-	ConsolidationRequests []*ConsolidationRequest `json:"consolidation_requests"`
-}
+type ExecutionPayloadHeaderElectra = ExecutionPayloadHeaderDeneb
 
-type ExecutionPayloadHeaderElectra struct {
-	ParentHash                string `json:"parent_hash"`
-	FeeRecipient              string `json:"fee_recipient"`
-	StateRoot                 string `json:"state_root"`
-	ReceiptsRoot              string `json:"receipts_root"`
-	LogsBloom                 string `json:"logs_bloom"`
-	PrevRandao                string `json:"prev_randao"`
-	BlockNumber               string `json:"block_number"`
-	GasLimit                  string `json:"gas_limit"`
-	GasUsed                   string `json:"gas_used"`
-	Timestamp                 string `json:"timestamp"`
-	ExtraData                 string `json:"extra_data"`
-	BaseFeePerGas             string `json:"base_fee_per_gas"`
-	BlockHash                 string `json:"block_hash"`
-	TransactionsRoot          string `json:"transactions_root"`
-	WithdrawalsRoot           string `json:"withdrawals_root"`
-	BlobGasUsed               string `json:"blob_gas_used"`
-	ExcessBlobGas             string `json:"excess_blob_gas"`
-	DepositRequestsRoot       string `json:"deposit_requests_root"`
-	WithdrawalRequestsRoot    string `json:"withdrawal_requests_root"`
-	ConsolidationRequestsRoot string `json:"consolidation_requests_root"`
+type ExecutionRequests struct {
+	Deposits       []*DepositRequest       `json:"deposits"`
+	Withdrawals    []*WithdrawalRequest    `json:"withdrawals"`
+	Consolidations []*ConsolidationRequest `json:"consolidations"`
 }

api/server/structs/conversions.go

@@ -15,6 +15,7 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
 	"github.com/prysmaticlabs/prysm/v5/math"
 	enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
+	ethv1 "github.com/prysmaticlabs/prysm/v5/proto/eth/v1"
 	eth "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 )
 
@@ -1475,12 +1476,15 @@ func DepositSnapshotFromConsensus(ds *eth.DepositSnapshot) *DepositSnapshot {
 	}
 }
 
-func PendingBalanceDepositsFromConsensus(ds []*eth.PendingBalanceDeposit) []*PendingBalanceDeposit {
-	deposits := make([]*PendingBalanceDeposit, len(ds))
+func PendingDepositsFromConsensus(ds []*eth.PendingDeposit) []*PendingDeposit {
+	deposits := make([]*PendingDeposit, len(ds))
 	for i, d := range ds {
-		deposits[i] = &PendingBalanceDeposit{
-			Index:  fmt.Sprintf("%d", d.Index),
-			Amount: fmt.Sprintf("%d", d.Amount),
+		deposits[i] = &PendingDeposit{
+			Pubkey:                hexutil.Encode(d.PublicKey),
+			WithdrawalCredentials: hexutil.Encode(d.WithdrawalCredentials),
+			Amount:                fmt.Sprintf("%d", d.Amount),
+			Signature:             hexutil.Encode(d.Signature),
+			Slot:                  fmt.Sprintf("%d", d.Slot),
 		}
 	}
 	return deposits
@@ -1508,3 +1512,37 @@ func PendingConsolidationsFromConsensus(cs []*eth.PendingConsolidation) []*Pendi
 	}
 	return consolidations
 }
+
+func HeadEventFromV1(event *ethv1.EventHead) *HeadEvent {
+	return &HeadEvent{
+		Slot:                      fmt.Sprintf("%d", event.Slot),
+		Block:                     hexutil.Encode(event.Block),
+		State:                     hexutil.Encode(event.State),
+		EpochTransition:           event.EpochTransition,
+		ExecutionOptimistic:       event.ExecutionOptimistic,
+		PreviousDutyDependentRoot: hexutil.Encode(event.PreviousDutyDependentRoot),
+		CurrentDutyDependentRoot:  hexutil.Encode(event.CurrentDutyDependentRoot),
+	}
+}
+
+func FinalizedCheckpointEventFromV1(event *ethv1.EventFinalizedCheckpoint) *FinalizedCheckpointEvent {
+	return &FinalizedCheckpointEvent{
+		Block:               hexutil.Encode(event.Block),
+		State:               hexutil.Encode(event.State),
+		Epoch:               fmt.Sprintf("%d", event.Epoch),
+		ExecutionOptimistic: event.ExecutionOptimistic,
+	}
+}
+
+func EventChainReorgFromV1(event *ethv1.EventChainReorg) *ChainReorgEvent {
+	return &ChainReorgEvent{
+		Slot:                fmt.Sprintf("%d", event.Slot),
+		Depth:               fmt.Sprintf("%d", event.Depth),
+		OldHeadBlock:        hexutil.Encode(event.OldHeadBlock),
+		NewHeadBlock:        hexutil.Encode(event.NewHeadBlock),
+		OldHeadState:        hexutil.Encode(event.OldHeadState),
+		NewHeadState:        hexutil.Encode(event.NewHeadState),
+		Epoch:               fmt.Sprintf("%d", event.Epoch),
+		ExecutionOptimistic: event.ExecutionOptimistic,
+	}
+}

api/server/structs/conversions_blob.go

@@ -0,0 +1,61 @@
+package structs
+
+import (
+	"strconv"
+
+	"github.com/prysmaticlabs/prysm/v5/api/server"
+	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
+	eth "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
+)
+
+func (sc *Sidecar) ToConsensus() (*eth.BlobSidecar, error) {
+	if sc == nil {
+		return nil, errNilValue
+	}
+
+	index, err := strconv.ParseUint(sc.Index, 10, 64)
+	if err != nil {
+		return nil, server.NewDecodeError(err, "Index")
+	}
+
+	blob, err := bytesutil.DecodeHexWithLength(sc.Blob, 131072)
+	if err != nil {
+		return nil, server.NewDecodeError(err, "Blob")
+	}
+
+	kzgCommitment, err := bytesutil.DecodeHexWithLength(sc.KzgCommitment, 48)
+	if err != nil {
+		return nil, server.NewDecodeError(err, "KzgCommitment")
+	}
+
+	kzgProof, err := bytesutil.DecodeHexWithLength(sc.KzgProof, 48)
+	if err != nil {
+		return nil, server.NewDecodeError(err, "KzgProof")
+	}
+
+	header, err := sc.SignedBeaconBlockHeader.ToConsensus()
+	if err != nil {
+		return nil, server.NewDecodeError(err, "SignedBeaconBlockHeader")
+	}
+
+	// decode the commitment inclusion proof
+	var commitmentInclusionProof [][]byte
+	for _, proof := range sc.CommitmentInclusionProof {
+		proofBytes, err := bytesutil.DecodeHexWithLength(proof, 32)
+		if err != nil {
+			return nil, server.NewDecodeError(err, "CommitmentInclusionProof")
+		}
+		commitmentInclusionProof = append(commitmentInclusionProof, proofBytes)
+	}
+
+	bsc := &eth.BlobSidecar{
+		Index:                    index,
+		Blob:                     blob,
+		KzgCommitment:            kzgCommitment,
+		KzgProof:                 kzgProof,
+		SignedBlockHeader:        header,
+		CommitmentInclusionProof: commitmentInclusionProof,
+	}
+
+	return bsc, nil
+}

api/server/structs/conversions_block.go

@@ -20,6 +20,9 @@ import (
 var ErrUnsupportedConversion = errors.New("Could not determine api struct type to use for value")
 
 func (h *SignedBeaconBlockHeader) ToConsensus() (*eth.SignedBeaconBlockHeader, error) {
+	if h == nil {
+		return nil, errNilValue
+	}
 	msg, err := h.Message.ToConsensus()
 	if err != nil {
 		return nil, server.NewDecodeError(err, "Message")
@@ -36,6 +39,9 @@ func (h *SignedBeaconBlockHeader) ToConsensus() (*eth.SignedBeaconBlockHeader, e
 }
 
 func (h *BeaconBlockHeader) ToConsensus() (*eth.BeaconBlockHeader, error) {
+	if h == nil {
+		return nil, errNilValue
+	}
 	s, err := strconv.ParseUint(h.Slot, 10, 64)
 	if err != nil {
 		return nil, server.NewDecodeError(err, "Slot")
@@ -2088,27 +2094,31 @@ func (b *BeaconBlockElectra) ToConsensus() (*eth.BeaconBlockElectra, error) {
 		return nil, server.NewDecodeError(err, "Body.ExecutionPayload.ExcessBlobGas")
 	}
 
-	depositRequests := make([]*enginev1.DepositRequest, len(b.Body.ExecutionPayload.DepositRequests))
-	for i, d := range b.Body.ExecutionPayload.DepositRequests {
+	if b.Body.ExecutionRequests == nil {
+		return nil, server.NewDecodeError(errors.New("nil execution requests"), "Body.ExequtionRequests")
+	}
+
+	depositRequests := make([]*enginev1.DepositRequest, len(b.Body.ExecutionRequests.Deposits))
+	for i, d := range b.Body.ExecutionRequests.Deposits {
 		depositRequests[i], err = d.ToConsensus()
 		if err != nil {
-			return nil, server.NewDecodeError(err, fmt.Sprintf("Body.ExecutionPayload.DepositRequests[%d]", i))
+			return nil, server.NewDecodeError(err, fmt.Sprintf("Body.ExecutionRequests.Deposits[%d]", i))
 		}
 	}
 
-	withdrawalRequests := make([]*enginev1.WithdrawalRequest, len(b.Body.ExecutionPayload.WithdrawalRequests))
-	for i, w := range b.Body.ExecutionPayload.WithdrawalRequests {
+	withdrawalRequests := make([]*enginev1.WithdrawalRequest, len(b.Body.ExecutionRequests.Withdrawals))
+	for i, w := range b.Body.ExecutionRequests.Withdrawals {
 		withdrawalRequests[i], err = w.ToConsensus()
 		if err != nil {
-			return nil, server.NewDecodeError(err, fmt.Sprintf("Body.ExecutionPayload.WithdrawalRequests[%d]", i))
+			return nil, server.NewDecodeError(err, fmt.Sprintf("Body.ExecutionRequests.Withdrawals[%d]", i))
 		}
 	}
 
-	consolidationRequests := make([]*enginev1.ConsolidationRequest, len(b.Body.ExecutionPayload.ConsolidationRequests))
-	for i, c := range b.Body.ExecutionPayload.ConsolidationRequests {
+	consolidationRequests := make([]*enginev1.ConsolidationRequest, len(b.Body.ExecutionRequests.Consolidations))
+	for i, c := range b.Body.ExecutionRequests.Consolidations {
 		consolidationRequests[i], err = c.ToConsensus()
 		if err != nil {
-			return nil, server.NewDecodeError(err, fmt.Sprintf("Body.ExecutionPayload.ConsolidationRequests[%d]", i))
+			return nil, server.NewDecodeError(err, fmt.Sprintf("Body.ExecutionRequests.Consolidations[%d]", i))
 		}
 	}
 
@@ -2151,29 +2161,31 @@ func (b *BeaconBlockElectra) ToConsensus() (*eth.BeaconBlockElectra, error) {
 				SyncCommitteeSignature: syncCommitteeSig,
 			},
 			ExecutionPayload: &enginev1.ExecutionPayloadElectra{
-				ParentHash:            payloadParentHash,
-				FeeRecipient:          payloadFeeRecipient,
-				StateRoot:             payloadStateRoot,
-				ReceiptsRoot:          payloadReceiptsRoot,
-				LogsBloom:             payloadLogsBloom,
-				PrevRandao:            payloadPrevRandao,
-				BlockNumber:           payloadBlockNumber,
-				GasLimit:              payloadGasLimit,
-				GasUsed:               payloadGasUsed,
-				Timestamp:             payloadTimestamp,
-				ExtraData:             payloadExtraData,
-				BaseFeePerGas:         payloadBaseFeePerGas,
-				BlockHash:             payloadBlockHash,
-				Transactions:          txs,
-				Withdrawals:           withdrawals,
-				BlobGasUsed:           payloadBlobGasUsed,
-				ExcessBlobGas:         payloadExcessBlobGas,
-				DepositRequests:       depositRequests,
-				WithdrawalRequests:    withdrawalRequests,
-				ConsolidationRequests: consolidationRequests,
+				ParentHash:    payloadParentHash,
+				FeeRecipient:  payloadFeeRecipient,
+				StateRoot:     payloadStateRoot,
+				ReceiptsRoot:  payloadReceiptsRoot,
+				LogsBloom:     payloadLogsBloom,
+				PrevRandao:    payloadPrevRandao,
+				BlockNumber:   payloadBlockNumber,
+				GasLimit:      payloadGasLimit,
+				GasUsed:       payloadGasUsed,
+				Timestamp:     payloadTimestamp,
+				ExtraData:     payloadExtraData,
+				BaseFeePerGas: payloadBaseFeePerGas,
+				BlockHash:     payloadBlockHash,
+				Transactions:  txs,
+				Withdrawals:   withdrawals,
+				BlobGasUsed:   payloadBlobGasUsed,
+				ExcessBlobGas: payloadExcessBlobGas,
 			},
 			BlsToExecutionChanges: blsChanges,
 			BlobKzgCommitments:    blobKzgCommitments,
+			ExecutionRequests: &enginev1.ExecutionRequests{
+				Deposits:       depositRequests,
+				Withdrawals:    withdrawalRequests,
+				Consolidations: consolidationRequests,
+			},
 		},
 	}, nil
 }
@@ -2383,17 +2395,31 @@ func (b *BlindedBeaconBlockElectra) ToConsensus() (*eth.BlindedBeaconBlockElectr
 	if err != nil {
 		return nil, server.NewDecodeError(err, "Body.ExecutionPayload.ExcessBlobGas")
 	}
-	payloadDepositRequestsRoot, err := bytesutil.DecodeHexWithLength(b.Body.ExecutionPayloadHeader.DepositRequestsRoot, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Body.ExecutionPayloadHeader.DepositRequestsRoot")
+	if b.Body.ExecutionRequests == nil {
+		return nil, server.NewDecodeError(errors.New("nil execution requests"), "Body.ExecutionRequests")
 	}
-	payloadWithdrawalRequestsRoot, err := bytesutil.DecodeHexWithLength(b.Body.ExecutionPayloadHeader.WithdrawalRequestsRoot, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Body.ExecutionPayloadHeader.WithdrawalRequestsRoot")
+	depositRequests := make([]*enginev1.DepositRequest, len(b.Body.ExecutionRequests.Deposits))
+	for i, d := range b.Body.ExecutionRequests.Deposits {
+		depositRequests[i], err = d.ToConsensus()
+		if err != nil {
+			return nil, server.NewDecodeError(err, fmt.Sprintf("Body.ExecutionRequests.Deposits[%d]", i))
+		}
 	}
-	payloadConsolidationRequestsRoot, err := bytesutil.DecodeHexWithLength(b.Body.ExecutionPayloadHeader.ConsolidationRequestsRoot, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Body.ExecutionPayloadHeader.ConsolidationRequestsRoot")
+
+	withdrawalRequests := make([]*enginev1.WithdrawalRequest, len(b.Body.ExecutionRequests.Withdrawals))
+	for i, w := range b.Body.ExecutionRequests.Withdrawals {
+		withdrawalRequests[i], err = w.ToConsensus()
+		if err != nil {
+			return nil, server.NewDecodeError(err, fmt.Sprintf("Body.ExecutionRequests.Withdrawals[%d]", i))
+		}
+	}
+
+	consolidationRequests := make([]*enginev1.ConsolidationRequest, len(b.Body.ExecutionRequests.Consolidations))
+	for i, c := range b.Body.ExecutionRequests.Consolidations {
+		consolidationRequests[i], err = c.ToConsensus()
+		if err != nil {
+			return nil, server.NewDecodeError(err, fmt.Sprintf("Body.ExecutionRequests.Consolidations[%d]", i))
+		}
 	}
 
 	blsChanges, err := SignedBLSChangesToConsensus(b.Body.BLSToExecutionChanges)
@@ -2436,29 +2462,31 @@ func (b *BlindedBeaconBlockElectra) ToConsensus() (*eth.BlindedBeaconBlockElectr
 				SyncCommitteeSignature: syncCommitteeSig,
 			},
 			ExecutionPayloadHeader: &enginev1.ExecutionPayloadHeaderElectra{
-				ParentHash:                payloadParentHash,
-				FeeRecipient:              payloadFeeRecipient,
-				StateRoot:                 payloadStateRoot,
-				ReceiptsRoot:              payloadReceiptsRoot,
-				LogsBloom:                 payloadLogsBloom,
-				PrevRandao:                payloadPrevRandao,
-				BlockNumber:               payloadBlockNumber,
-				GasLimit:                  payloadGasLimit,
-				GasUsed:                   payloadGasUsed,
-				Timestamp:                 payloadTimestamp,
-				ExtraData:                 payloadExtraData,
-				BaseFeePerGas:             payloadBaseFeePerGas,
-				BlockHash:                 payloadBlockHash,
-				TransactionsRoot:          payloadTxsRoot,
-				WithdrawalsRoot:           payloadWithdrawalsRoot,
-				BlobGasUsed:               payloadBlobGasUsed,
-				ExcessBlobGas:             payloadExcessBlobGas,
-				DepositRequestsRoot:       payloadDepositRequestsRoot,
-				WithdrawalRequestsRoot:    payloadWithdrawalRequestsRoot,
-				ConsolidationRequestsRoot: payloadConsolidationRequestsRoot,
+				ParentHash:       payloadParentHash,
+				FeeRecipient:     payloadFeeRecipient,
+				StateRoot:        payloadStateRoot,
+				ReceiptsRoot:     payloadReceiptsRoot,
+				LogsBloom:        payloadLogsBloom,
+				PrevRandao:       payloadPrevRandao,
+				BlockNumber:      payloadBlockNumber,
+				GasLimit:         payloadGasLimit,
+				GasUsed:          payloadGasUsed,
+				Timestamp:        payloadTimestamp,
+				ExtraData:        payloadExtraData,
+				BaseFeePerGas:    payloadBaseFeePerGas,
+				BlockHash:        payloadBlockHash,
+				TransactionsRoot: payloadTxsRoot,
+				WithdrawalsRoot:  payloadWithdrawalsRoot,
+				BlobGasUsed:      payloadBlobGasUsed,
+				ExcessBlobGas:    payloadExcessBlobGas,
 			},
 			BlsToExecutionChanges: blsChanges,
 			BlobKzgCommitments:    blobKzgCommitments,
+			ExecutionRequests: &enginev1.ExecutionRequests{
+				Deposits:       depositRequests,
+				Withdrawals:    withdrawalRequests,
+				Consolidations: consolidationRequests,
+			},
 		},
 	}, nil
 }
@@ -2526,6 +2554,8 @@ func SignedBeaconBlockMessageJsoner(block interfaces.ReadOnlySignedBeaconBlock)
 		return SignedBlindedBeaconBlockDenebFromConsensus(pbStruct)
 	case *eth.SignedBeaconBlockDeneb:
 		return SignedBeaconBlockDenebFromConsensus(pbStruct)
+	case *eth.SignedBlindedBeaconBlockElectra:
+		return SignedBlindedBeaconBlockElectraFromConsensus(pbStruct)
 	case *eth.SignedBeaconBlockElectra:
 		return SignedBeaconBlockElectraFromConsensus(pbStruct)
 	default:
@@ -2963,10 +2993,19 @@ func BlindedBeaconBlockElectraFromConsensus(b *eth.BlindedBeaconBlockElectra) (*
 			ExecutionPayloadHeader: payload,
 			BLSToExecutionChanges:  SignedBLSChangesFromConsensus(b.Body.BlsToExecutionChanges),
 			BlobKzgCommitments:     blobKzgCommitments,
+			ExecutionRequests:      ExecutionRequestsFromConsensus(b.Body.ExecutionRequests),
 		},
 	}, nil
 }
 
+func ExecutionRequestsFromConsensus(er *enginev1.ExecutionRequests) *ExecutionRequests {
+	return &ExecutionRequests{
+		Deposits:       DepositRequestsFromConsensus(er.Deposits),
+		Withdrawals:    WithdrawalRequestsFromConsensus(er.Withdrawals),
+		Consolidations: ConsolidationRequestsFromConsensus(er.Consolidations),
+	}
+}
+
 func SignedBlindedBeaconBlockElectraFromConsensus(b *eth.SignedBlindedBeaconBlockElectra) (*SignedBlindedBeaconBlockElectra, error) {
 	block, err := BlindedBeaconBlockElectraFromConsensus(b.Message)
 	if err != nil {
@@ -3009,6 +3048,7 @@ func BeaconBlockElectraFromConsensus(b *eth.BeaconBlockElectra) (*BeaconBlockEle
 			ExecutionPayload:      payload,
 			BLSToExecutionChanges: SignedBLSChangesFromConsensus(b.Body.BlsToExecutionChanges),
 			BlobKzgCommitments:    blobKzgCommitments,
+			ExecutionRequests:     ExecutionRequestsFromConsensus(b.Body.ExecutionRequests),
 		},
 	}, nil
 }
@@ -3112,39 +3152,7 @@ func ExecutionPayloadDenebFromConsensus(payload *enginev1.ExecutionPayloadDeneb)
 	}, nil
 }
 
-func ExecutionPayloadElectraFromConsensus(payload *enginev1.ExecutionPayloadElectra) (*ExecutionPayloadElectra, error) {
-	baseFeePerGas, err := sszBytesToUint256String(payload.BaseFeePerGas)
-	if err != nil {
-		return nil, err
-	}
-	transactions := make([]string, len(payload.Transactions))
-	for i, tx := range payload.Transactions {
-		transactions[i] = hexutil.Encode(tx)
-	}
-
-	return &ExecutionPayloadElectra{
-		ParentHash:            hexutil.Encode(payload.ParentHash),
-		FeeRecipient:          hexutil.Encode(payload.FeeRecipient),
-		StateRoot:             hexutil.Encode(payload.StateRoot),
-		ReceiptsRoot:          hexutil.Encode(payload.ReceiptsRoot),
-		LogsBloom:             hexutil.Encode(payload.LogsBloom),
-		PrevRandao:            hexutil.Encode(payload.PrevRandao),
-		BlockNumber:           fmt.Sprintf("%d", payload.BlockNumber),
-		GasLimit:              fmt.Sprintf("%d", payload.GasLimit),
-		GasUsed:               fmt.Sprintf("%d", payload.GasUsed),
-		Timestamp:             fmt.Sprintf("%d", payload.Timestamp),
-		ExtraData:             hexutil.Encode(payload.ExtraData),
-		BaseFeePerGas:         baseFeePerGas,
-		BlockHash:             hexutil.Encode(payload.BlockHash),
-		Transactions:          transactions,
-		Withdrawals:           WithdrawalsFromConsensus(payload.Withdrawals),
-		BlobGasUsed:           fmt.Sprintf("%d", payload.BlobGasUsed),
-		ExcessBlobGas:         fmt.Sprintf("%d", payload.ExcessBlobGas),
-		DepositRequests:       DepositRequestsFromConsensus(payload.DepositRequests),
-		WithdrawalRequests:    WithdrawalRequestsFromConsensus(payload.WithdrawalRequests),
-		ConsolidationRequests: ConsolidationRequestsFromConsensus(payload.ConsolidationRequests),
-	}, nil
-}
+var ExecutionPayloadElectraFromConsensus = ExecutionPayloadDenebFromConsensus
 
 func ExecutionPayloadHeaderFromConsensus(payload *enginev1.ExecutionPayloadHeader) (*ExecutionPayloadHeader, error) {
 	baseFeePerGas, err := sszBytesToUint256String(payload.BaseFeePerGas)
@@ -3222,32 +3230,4 @@ func ExecutionPayloadHeaderDenebFromConsensus(payload *enginev1.ExecutionPayload
 	}, nil
 }
 
-func ExecutionPayloadHeaderElectraFromConsensus(payload *enginev1.ExecutionPayloadHeaderElectra) (*ExecutionPayloadHeaderElectra, error) {
-	baseFeePerGas, err := sszBytesToUint256String(payload.BaseFeePerGas)
-	if err != nil {
-		return nil, err
-	}
-
-	return &ExecutionPayloadHeaderElectra{
-		ParentHash:                hexutil.Encode(payload.ParentHash),
-		FeeRecipient:              hexutil.Encode(payload.FeeRecipient),
-		StateRoot:                 hexutil.Encode(payload.StateRoot),
-		ReceiptsRoot:              hexutil.Encode(payload.ReceiptsRoot),
-		LogsBloom:                 hexutil.Encode(payload.LogsBloom),
-		PrevRandao:                hexutil.Encode(payload.PrevRandao),
-		BlockNumber:               fmt.Sprintf("%d", payload.BlockNumber),
-		GasLimit:                  fmt.Sprintf("%d", payload.GasLimit),
-		GasUsed:                   fmt.Sprintf("%d", payload.GasUsed),
-		Timestamp:                 fmt.Sprintf("%d", payload.Timestamp),
-		ExtraData:                 hexutil.Encode(payload.ExtraData),
-		BaseFeePerGas:             baseFeePerGas,
-		BlockHash:                 hexutil.Encode(payload.BlockHash),
-		TransactionsRoot:          hexutil.Encode(payload.TransactionsRoot),
-		WithdrawalsRoot:           hexutil.Encode(payload.WithdrawalsRoot),
-		BlobGasUsed:               fmt.Sprintf("%d", payload.BlobGasUsed),
-		ExcessBlobGas:             fmt.Sprintf("%d", payload.ExcessBlobGas),
-		DepositRequestsRoot:       hexutil.Encode(payload.DepositRequestsRoot),
-		WithdrawalRequestsRoot:    hexutil.Encode(payload.WithdrawalRequestsRoot),
-		ConsolidationRequestsRoot: hexutil.Encode(payload.ConsolidationRequestsRoot),
-	}, nil
-}
+var ExecutionPayloadHeaderElectraFromConsensus = ExecutionPayloadHeaderDenebFromConsensus

api/server/structs/conversions_lightclient.go

@@ -1,3 +1,127 @@
 package structs
 
-//
+import (
+	"encoding/json"
+	"fmt"
+	"strconv"
+
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/pkg/errors"
+	v1 "github.com/prysmaticlabs/prysm/v5/proto/eth/v1"
+	v2 "github.com/prysmaticlabs/prysm/v5/proto/eth/v2"
+	"github.com/prysmaticlabs/prysm/v5/proto/migration"
+)
+
+func LightClientUpdateFromConsensus(update *v2.LightClientUpdate) (*LightClientUpdate, error) {
+	attestedHeader, err := lightClientHeaderContainerToJSON(update.AttestedHeader)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not marshal attested light client header")
+	}
+	finalizedHeader, err := lightClientHeaderContainerToJSON(update.FinalizedHeader)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not marshal finalized light client header")
+	}
+
+	return &LightClientUpdate{
+		AttestedHeader:          attestedHeader,
+		NextSyncCommittee:       SyncCommitteeFromConsensus(migration.V2SyncCommitteeToV1Alpha1(update.NextSyncCommittee)),
+		NextSyncCommitteeBranch: branchToJSON(update.NextSyncCommitteeBranch),
+		FinalizedHeader:         finalizedHeader,
+		FinalityBranch:          branchToJSON(update.FinalityBranch),
+		SyncAggregate:           syncAggregateToJSON(update.SyncAggregate),
+		SignatureSlot:           strconv.FormatUint(uint64(update.SignatureSlot), 10),
+	}, nil
+}
+
+func LightClientFinalityUpdateFromConsensus(update *v2.LightClientFinalityUpdate) (*LightClientFinalityUpdate, error) {
+	attestedHeader, err := lightClientHeaderContainerToJSON(update.AttestedHeader)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not marshal attested light client header")
+	}
+	finalizedHeader, err := lightClientHeaderContainerToJSON(update.FinalizedHeader)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not marshal finalized light client header")
+	}
+
+	return &LightClientFinalityUpdate{
+		AttestedHeader:  attestedHeader,
+		FinalizedHeader: finalizedHeader,
+		FinalityBranch:  branchToJSON(update.FinalityBranch),
+		SyncAggregate:   syncAggregateToJSON(update.SyncAggregate),
+		SignatureSlot:   strconv.FormatUint(uint64(update.SignatureSlot), 10),
+	}, nil
+}
+
+func LightClientOptimisticUpdateFromConsensus(update *v2.LightClientOptimisticUpdate) (*LightClientOptimisticUpdate, error) {
+	attestedHeader, err := lightClientHeaderContainerToJSON(update.AttestedHeader)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not marshal attested light client header")
+	}
+
+	return &LightClientOptimisticUpdate{
+		AttestedHeader: attestedHeader,
+		SyncAggregate:  syncAggregateToJSON(update.SyncAggregate),
+		SignatureSlot:  strconv.FormatUint(uint64(update.SignatureSlot), 10),
+	}, nil
+}
+
+func branchToJSON(branchBytes [][]byte) []string {
+	if branchBytes == nil {
+		return nil
+	}
+	branch := make([]string, len(branchBytes))
+	for i, root := range branchBytes {
+		branch[i] = hexutil.Encode(root)
+	}
+	return branch
+}
+
+func syncAggregateToJSON(input *v1.SyncAggregate) *SyncAggregate {
+	return &SyncAggregate{
+		SyncCommitteeBits:      hexutil.Encode(input.SyncCommitteeBits),
+		SyncCommitteeSignature: hexutil.Encode(input.SyncCommitteeSignature),
+	}
+}
+
+func lightClientHeaderContainerToJSON(container *v2.LightClientHeaderContainer) (json.RawMessage, error) {
+	// In the case that a finalizedHeader is nil.
+	if container == nil {
+		return nil, nil
+	}
+
+	beacon, err := container.GetBeacon()
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get beacon block header")
+	}
+
+	var header any
+
+	switch t := (container.Header).(type) {
+	case *v2.LightClientHeaderContainer_HeaderAltair:
+		header = &LightClientHeader{Beacon: BeaconBlockHeaderFromConsensus(migration.V1HeaderToV1Alpha1(beacon))}
+	case *v2.LightClientHeaderContainer_HeaderCapella:
+		execution, err := ExecutionPayloadHeaderCapellaFromConsensus(t.HeaderCapella.Execution)
+		if err != nil {
+			return nil, err
+		}
+		header = &LightClientHeaderCapella{
+			Beacon:          BeaconBlockHeaderFromConsensus(migration.V1HeaderToV1Alpha1(beacon)),
+			Execution:       execution,
+			ExecutionBranch: branchToJSON(t.HeaderCapella.ExecutionBranch),
+		}
+	case *v2.LightClientHeaderContainer_HeaderDeneb:
+		execution, err := ExecutionPayloadHeaderDenebFromConsensus(t.HeaderDeneb.Execution)
+		if err != nil {
+			return nil, err
+		}
+		header = &LightClientHeaderDeneb{
+			Beacon:          BeaconBlockHeaderFromConsensus(migration.V1HeaderToV1Alpha1(beacon)),
+			Execution:       execution,
+			ExecutionBranch: branchToJSON(t.HeaderDeneb.ExecutionBranch),
+		}
+	default:
+		return nil, fmt.Errorf("unsupported header type %T", t)
+	}
+
+	return json.Marshal(header)
+}

api/server/structs/conversions_state.go

@@ -674,7 +674,7 @@ func BeaconStateElectraFromConsensus(st beaconState.BeaconState) (*BeaconStateEl
 	if err != nil {
 		return nil, err
 	}
-	srcPayload, ok := execData.Proto().(*enginev1.ExecutionPayloadHeaderElectra)
+	srcPayload, ok := execData.Proto().(*enginev1.ExecutionPayloadHeaderDeneb)
 	if !ok {
 		return nil, errPayloadHeaderNotFound
 	}
@@ -722,7 +722,7 @@ func BeaconStateElectraFromConsensus(st beaconState.BeaconState) (*BeaconStateEl
 	if err != nil {
 		return nil, err
 	}
-	pbd, err := st.PendingBalanceDeposits()
+	pbd, err := st.PendingDeposits()
 	if err != nil {
 		return nil, err
 	}
@@ -770,7 +770,7 @@ func BeaconStateElectraFromConsensus(st beaconState.BeaconState) (*BeaconStateEl
 		EarliestExitEpoch:             fmt.Sprintf("%d", eee),
 		ConsolidationBalanceToConsume: fmt.Sprintf("%d", cbtc),
 		EarliestConsolidationEpoch:    fmt.Sprintf("%d", ece),
-		PendingBalanceDeposits:        PendingBalanceDepositsFromConsensus(pbd),
+		PendingDeposits:               PendingDepositsFromConsensus(pbd),
 		PendingPartialWithdrawals:     PendingPartialWithdrawalsFromConsensus(ppw),
 		PendingConsolidations:         PendingConsolidationsFromConsensus(pc),
 	}, nil

api/server/structs/endpoints_beacon.go

@@ -21,7 +21,8 @@ type GetCommitteesResponse struct {
 }
 
 type ListAttestationsResponse struct {
-	Data []*Attestation `json:"data"`
+	Version string          `json:"version,omitempty"`
+	Data    json.RawMessage `json:"data"`
 }
 
 type SubmitAttestationsRequest struct {
@@ -133,6 +134,13 @@ type GetBlockAttestationsResponse struct {
 	Data                []*Attestation `json:"data"`
 }
 
+type GetBlockAttestationsV2Response struct {
+	Version             string          `json:"version"`
+	ExecutionOptimistic bool            `json:"execution_optimistic"`
+	Finalized           bool            `json:"finalized"`
+	Data                json.RawMessage `json:"data"` // Accepts both `Attestation` and `AttestationElectra` types
+}
+
 type GetStateRootResponse struct {
 	ExecutionOptimistic bool       `json:"execution_optimistic"`
 	Finalized           bool       `json:"finalized"`
@@ -169,7 +177,8 @@ type BLSToExecutionChangesPoolResponse struct {
 }
 
 type GetAttesterSlashingsResponse struct {
-	Data []*AttesterSlashing `json:"data"`
+	Version string          `json:"version,omitempty"`
+	Data    json.RawMessage `json:"data"` // Accepts both `[]*AttesterSlashing` and `[]*AttesterSlashingElectra` types
 }
 
 type GetProposerSlashingsResponse struct {

api/server/structs/endpoints_blob.go

@@ -12,3 +12,12 @@ type Sidecar struct {
 	KzgProof                 string                   `json:"kzg_proof"`
 	CommitmentInclusionProof []string                 `json:"kzg_commitment_inclusion_proof"`
 }
+
+type BlobSidecars struct {
+	Sidecars []*Sidecar `json:"sidecars"`
+}
+
+type PublishBlobsRequest struct {
+	BlobSidecars *BlobSidecars `json:"blob_sidecars"`
+	BlockRoot    string        `json:"block_root"`
+}

api/server/structs/endpoints_events.go

@@ -96,21 +96,7 @@ type LightClientFinalityUpdateEvent struct {
 	Data    *LightClientFinalityUpdate `json:"data"`
 }
 
-type LightClientFinalityUpdate struct {
-	AttestedHeader  *BeaconBlockHeader `json:"attested_header"`
-	FinalizedHeader *BeaconBlockHeader `json:"finalized_header"`
-	FinalityBranch  []string           `json:"finality_branch"`
-	SyncAggregate   *SyncAggregate     `json:"sync_aggregate"`
-	SignatureSlot   string             `json:"signature_slot"`
-}
-
 type LightClientOptimisticUpdateEvent struct {
 	Version string                       `json:"version"`
 	Data    *LightClientOptimisticUpdate `json:"data"`
 }
-
-type LightClientOptimisticUpdate struct {
-	AttestedHeader *BeaconBlockHeader `json:"attested_header"`
-	SyncAggregate  *SyncAggregate     `json:"sync_aggregate"`
-	SignatureSlot  string             `json:"signature_slot"`
-}

api/server/structs/endpoints_lightclient.go

@@ -24,11 +24,6 @@ type LightClientBootstrap struct {
 	CurrentSyncCommitteeBranch []string        `json:"current_sync_committee_branch"`
 }
 
-type LightClientBootstrapResponse struct {
-	Version string                `json:"version"`
-	Data    *LightClientBootstrap `json:"data"`
-}
-
 type LightClientUpdate struct {
 	AttestedHeader          json.RawMessage `json:"attested_header"`
 	NextSyncCommittee       *SyncCommittee  `json:"next_sync_committee,omitempty"`
@@ -39,11 +34,40 @@ type LightClientUpdate struct {
 	SignatureSlot           string          `json:"signature_slot"`
 }
 
-type LightClientUpdateWithVersion struct {
+type LightClientFinalityUpdate struct {
+	AttestedHeader  json.RawMessage `json:"attested_header"`
+	FinalizedHeader json.RawMessage `json:"finalized_header"`
+	FinalityBranch  []string        `json:"finality_branch"`
+	SyncAggregate   *SyncAggregate  `json:"sync_aggregate"`
+	SignatureSlot   string          `json:"signature_slot"`
+}
+
+type LightClientOptimisticUpdate struct {
+	AttestedHeader json.RawMessage `json:"attested_header"`
+	SyncAggregate  *SyncAggregate  `json:"sync_aggregate"`
+	SignatureSlot  string          `json:"signature_slot"`
+}
+
+type LightClientBootstrapResponse struct {
+	Version string                `json:"version"`
+	Data    *LightClientBootstrap `json:"data"`
+}
+
+type LightClientUpdateResponse struct {
 	Version string             `json:"version"`
 	Data    *LightClientUpdate `json:"data"`
 }
 
-type LightClientUpdatesByRangeResponse struct {
-	Updates []*LightClientUpdateWithVersion `json:"updates"`
+type LightClientFinalityUpdateResponse struct {
+	Version string                     `json:"version"`
+	Data    *LightClientFinalityUpdate `json:"data"`
+}
+
+type LightClientOptimisticUpdateResponse struct {
+	Version string                       `json:"version"`
+	Data    *LightClientOptimisticUpdate `json:"data"`
+}
+
+type LightClientUpdatesByRangeResponse struct {
+	Updates []*LightClientUpdateResponse `json:"updates"`
 }

api/server/structs/endpoints_validator.go

@@ -15,7 +15,7 @@ type SubmitContributionAndProofsRequest struct {
 }
 
 type SubmitAggregateAndProofsRequest struct {
-	Data []*SignedAggregateAttestationAndProof `json:"data"`
+	Data []json.RawMessage `json:"data"`
 }
 
 type SubmitSyncCommitteeSubscriptionsRequest struct {

api/server/structs/other.go

@@ -257,9 +257,12 @@ type ConsolidationRequest struct {
 	TargetPubkey  string `json:"target_pubkey"`
 }
 
-type PendingBalanceDeposit struct {
-	Index  string `json:"index"`
-	Amount string `json:"amount"`
+type PendingDeposit struct {
+	Pubkey                string `json:"pubkey"`
+	WithdrawalCredentials string `json:"withdrawal_credentials"`
+	Amount                string `json:"amount"`
+	Signature             string `json:"signature"`
+	Slot                  string `json:"slot"`
 }
 
 type PendingPartialWithdrawal struct {

api/server/structs/state.go

@@ -176,7 +176,7 @@ type BeaconStateElectra struct {
 	EarliestExitEpoch             string                         `json:"earliest_exit_epoch"`
 	ConsolidationBalanceToConsume string                         `json:"consolidation_balance_to_consume"`
 	EarliestConsolidationEpoch    string                         `json:"earliest_consolidation_epoch"`
-	PendingBalanceDeposits        []*PendingBalanceDeposit       `json:"pending_balance_deposits"`
+	PendingDeposits               []*PendingDeposit              `json:"pending_deposits"`
 	PendingPartialWithdrawals     []*PendingPartialWithdrawal    `json:"pending_partial_withdrawals"`
 	PendingConsolidations         []*PendingConsolidation        `json:"pending_consolidations"`
 }

async/event/BUILD.bazel

@@ -4,26 +4,25 @@ go_library(
     name = "go_default_library",
     srcs = [
         "feed.go",
+        "interface.go",
         "subscription.go",
     ],
     importpath = "github.com/prysmaticlabs/prysm/v5/async/event",
     visibility = ["//visibility:public"],
-    deps = ["//time/mclock:go_default_library"],
+    deps = [
+        "//time/mclock:go_default_library",
+        "@com_github_ethereum_go_ethereum//event:go_default_library",
+    ],
 )
 
 go_test(
     name = "go_default_test",
     size = "small",
     srcs = [
-        "example_feed_test.go",
         "example_scope_test.go",
         "example_subscription_test.go",
-        "feed_test.go",
         "subscription_test.go",
     ],
     embed = [":go_default_library"],
-    deps = [
-        "//testing/assert:go_default_library",
-        "//testing/require:go_default_library",
-    ],
+    deps = ["//testing/require:go_default_library"],
 )

async/event/example_feed_test.go

@@ -1,73 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package event_test
-
-import (
-	"fmt"
-
-	"github.com/prysmaticlabs/prysm/v5/async/event"
-)
-
-func ExampleFeed_acknowledgedEvents() {
-	// This example shows how the return value of Send can be used for request/reply
-	// interaction between event consumers and producers.
-	var feed event.Feed
-	type ackedEvent struct {
-		i   int
-		ack chan<- struct{}
-	}
-
-	// Consumers wait for events on the feed and acknowledge processing.
-	done := make(chan struct{})
-	defer close(done)
-	for i := 0; i < 3; i++ {
-		ch := make(chan ackedEvent, 100)
-		sub := feed.Subscribe(ch)
-		go func() {
-			defer sub.Unsubscribe()
-			for {
-				select {
-				case ev := <-ch:
-					fmt.Println(ev.i) // "process" the event
-					ev.ack <- struct{}{}
-				case <-done:
-					return
-				}
-			}
-		}()
-	}
-
-	// The producer sends values of type ackedEvent with increasing values of i.
-	// It waits for all consumers to acknowledge before sending the next event.
-	for i := 0; i < 3; i++ {
-		acksignal := make(chan struct{})
-		n := feed.Send(ackedEvent{i, acksignal})
-		for ack := 0; ack < n; ack++ {
-			<-acksignal
-		}
-	}
-	// Output:
-	// 0
-	// 0
-	// 0
-	// 1
-	// 1
-	// 1
-	// 2
-	// 2
-	// 2
-}

async/event/feed.go

@@ -14,241 +14,12 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-// Package event contains an event feed implementation for process communication.
 package event
 
 import (
-	"errors"
-	"reflect"
-	"slices"
-	"sync"
+	geth_event "github.com/ethereum/go-ethereum/event"
 )
 
-var errBadChannel = errors.New("event: Subscribe argument does not have sendable channel type")
-
-// Feed implements one-to-many subscriptions where the carrier of events is a channel.
-// Values sent to a Feed are delivered to all subscribed channels simultaneously.
-//
-// Feeds can only be used with a single type. The type is determined by the first Send or
-// Subscribe operation. Subsequent calls to these methods panic if the type does not
-// match.
-//
-// The zero value is ready to use.
-type Feed struct {
-	once      sync.Once        // ensures that init only runs once
-	sendLock  chan struct{}    // sendLock has a one-element buffer and is empty when held.It protects sendCases.
-	removeSub chan interface{} // interrupts Send
-	sendCases caseList         // the active set of select cases used by Send
-
-	// The inbox holds newly subscribed channels until they are added to sendCases.
-	mu    sync.Mutex
-	inbox caseList
-	etype reflect.Type
-}
-
-// This is the index of the first actual subscription channel in sendCases.
-// sendCases[0] is a SelectRecv case for the removeSub channel.
-const firstSubSendCase = 1
-
-type feedTypeError struct {
-	got, want reflect.Type
-	op        string
-}
-
-func (e feedTypeError) Error() string {
-	return "event: wrong type in " + e.op + " got " + e.got.String() + ", want " + e.want.String()
-}
-
-func (f *Feed) init() {
-	f.removeSub = make(chan interface{})
-	f.sendLock = make(chan struct{}, 1)
-	f.sendLock <- struct{}{}
-	f.sendCases = caseList{{Chan: reflect.ValueOf(f.removeSub), Dir: reflect.SelectRecv}}
-}
-
-// Subscribe adds a channel to the feed. Future sends will be delivered on the channel
-// until the subscription is canceled. All channels added must have the same element type.
-//
-// The channel should have ample buffer space to avoid blocking other subscribers.
-// Slow subscribers are not dropped.
-func (f *Feed) Subscribe(channel interface{}) Subscription {
-	f.once.Do(f.init)
-
-	chanval := reflect.ValueOf(channel)
-	chantyp := chanval.Type()
-	if chantyp.Kind() != reflect.Chan || chantyp.ChanDir()&reflect.SendDir == 0 {
-		panic(errBadChannel)
-	}
-	sub := &feedSub{feed: f, channel: chanval, err: make(chan error, 1)}
-
-	f.mu.Lock()
-	defer f.mu.Unlock()
-	if !f.typecheck(chantyp.Elem()) {
-		panic(feedTypeError{op: "Subscribe", got: chantyp, want: reflect.ChanOf(reflect.SendDir, f.etype)})
-	}
-	// Add the select case to the inbox.
-	// The next Send will add it to f.sendCases.
-	cas := reflect.SelectCase{Dir: reflect.SelectSend, Chan: chanval}
-	f.inbox = append(f.inbox, cas)
-	return sub
-}
-
-// note: callers must hold f.mu
-func (f *Feed) typecheck(typ reflect.Type) bool {
-	if f.etype == nil {
-		f.etype = typ
-		return true
-	}
-	// In the event the feed's type is an actual interface, we
-	// perform an interface conformance check here.
-	if f.etype.Kind() == reflect.Interface && typ.Implements(f.etype) {
-		return true
-	}
-	return f.etype == typ
-}
-
-func (f *Feed) remove(sub *feedSub) {
-	// Delete from inbox first, which covers channels
-	// that have not been added to f.sendCases yet.
-	ch := sub.channel.Interface()
-	f.mu.Lock()
-	index := f.inbox.find(ch)
-	if index != -1 {
-		f.inbox = f.inbox.delete(index)
-		f.mu.Unlock()
-		return
-	}
-	f.mu.Unlock()
-
-	select {
-	case f.removeSub <- ch:
-		// Send will remove the channel from f.sendCases.
-	case <-f.sendLock:
-		// No Send is in progress, delete the channel now that we have the send lock.
-		f.sendCases = f.sendCases.delete(f.sendCases.find(ch))
-		f.sendLock <- struct{}{}
-	}
-}
-
-// Send delivers to all subscribed channels simultaneously.
-// It returns the number of subscribers that the value was sent to.
-func (f *Feed) Send(value interface{}) (nsent int) {
-	rvalue := reflect.ValueOf(value)
-
-	f.once.Do(f.init)
-	<-f.sendLock
-
-	// Add new cases from the inbox after taking the send lock.
-	f.mu.Lock()
-	f.sendCases = append(f.sendCases, f.inbox...)
-	f.inbox = nil
-
-	if !f.typecheck(rvalue.Type()) {
-		f.sendLock <- struct{}{}
-		f.mu.Unlock()
-		panic(feedTypeError{op: "Send", got: rvalue.Type(), want: f.etype})
-	}
-	f.mu.Unlock()
-
-	// Set the sent value on all channels.
-	for i := firstSubSendCase; i < len(f.sendCases); i++ {
-		f.sendCases[i].Send = rvalue
-	}
-
-	// Send until all channels except removeSub have been chosen. 'cases' tracks a prefix
-	// of sendCases. When a send succeeds, the corresponding case moves to the end of
-	// 'cases' and it shrinks by one element.
-	cases := f.sendCases
-	for {
-		// Fast path: try sending without blocking before adding to the select set.
-		// This should usually succeed if subscribers are fast enough and have free
-		// buffer space.
-		for i := firstSubSendCase; i < len(cases); i++ {
-			if cases[i].Chan.TrySend(rvalue) {
-				nsent++
-				cases = cases.deactivate(i)
-				i--
-			}
-		}
-		if len(cases) == firstSubSendCase {
-			break
-		}
-		// Select on all the receivers, waiting for them to unblock.
-		chosen, recv, _ := reflect.Select(cases)
-		if chosen == 0 /* <-f.removeSub */ {
-			index := f.sendCases.find(recv.Interface())
-			f.sendCases = f.sendCases.delete(index)
-			if index >= 0 && index < len(cases) {
-				// Shrink 'cases' too because the removed case was still active.
-				cases = f.sendCases[:len(cases)-1]
-			}
-		} else {
-			cases = cases.deactivate(chosen)
-			nsent++
-		}
-	}
-
-	// Forget about the sent value and hand off the send lock.
-	for i := firstSubSendCase; i < len(f.sendCases); i++ {
-		f.sendCases[i].Send = reflect.Value{}
-	}
-	f.sendLock <- struct{}{}
-	return nsent
-}
-
-type feedSub struct {
-	feed    *Feed
-	channel reflect.Value
-	errOnce sync.Once
-	err     chan error
-}
-
-// Unsubscribe remove feed subscription.
-func (sub *feedSub) Unsubscribe() {
-	sub.errOnce.Do(func() {
-		sub.feed.remove(sub)
-		close(sub.err)
-	})
-}
-
-// Err returns error channel.
-func (sub *feedSub) Err() <-chan error {
-	return sub.err
-}
-
-type caseList []reflect.SelectCase
-
-// find returns the index of a case containing the given channel.
-func (cs caseList) find(channel interface{}) int {
-	return slices.IndexFunc(cs, func(selectCase reflect.SelectCase) bool {
-		return selectCase.Chan.Interface() == channel
-	})
-}
-
-// delete removes the given case from cs.
-func (cs caseList) delete(index int) caseList {
-	return append(cs[:index], cs[index+1:]...)
-}
-
-// deactivate moves the case at index into the non-accessible portion of the cs slice.
-func (cs caseList) deactivate(index int) caseList {
-	last := len(cs) - 1
-	cs[index], cs[last] = cs[last], cs[index]
-	return cs[:last]
-}
-
-// func (cs caseList) String() string {
-//     s := "["
-//     for i, cas := range cs {
-//             if i != 0 {
-//                     s += ", "
-//             }
-//             switch cas.Dir {
-//             case reflect.SelectSend:
-//                     s += fmt.Sprintf("%v<-", cas.Chan.Interface())
-//             case reflect.SelectRecv:
-//                     s += fmt.Sprintf("<-%v", cas.Chan.Interface())
-//             }
-//     }
-//     return s + "]"
-// }
+// Feed is a re-export of the go-ethereum event feed.
+type Feed = geth_event.Feed
+type Subscription = geth_event.Subscription

async/event/feed_test.go

@@ -1,509 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package event
-
-import (
-	"fmt"
-	"reflect"
-	"sync"
-	"testing"
-	"time"
-
-	"github.com/prysmaticlabs/prysm/v5/testing/assert"
-)
-
-func TestFeedPanics(t *testing.T) {
-	{
-		var f Feed
-		f.Send(2)
-		want := feedTypeError{op: "Send", got: reflect.TypeOf(uint64(0)), want: reflect.TypeOf(0)}
-		assert.NoError(t, checkPanic(want, func() { f.Send(uint64(2)) }))
-		// Validate it doesn't deadlock.
-		assert.NoError(t, checkPanic(want, func() { f.Send(uint64(2)) }))
-	}
-	{
-		var f Feed
-		ch := make(chan int)
-		f.Subscribe(ch)
-		want := feedTypeError{op: "Send", got: reflect.TypeOf(uint64(0)), want: reflect.TypeOf(0)}
-		assert.NoError(t, checkPanic(want, func() { f.Send(uint64(2)) }))
-	}
-	{
-		var f Feed
-		f.Send(2)
-		want := feedTypeError{op: "Subscribe", got: reflect.TypeOf(make(chan uint64)), want: reflect.TypeOf(make(chan<- int))}
-		assert.NoError(t, checkPanic(want, func() { f.Subscribe(make(chan uint64)) }))
-	}
-	{
-		var f Feed
-		assert.NoError(t, checkPanic(errBadChannel, func() { f.Subscribe(make(<-chan int)) }))
-	}
-	{
-		var f Feed
-		assert.NoError(t, checkPanic(errBadChannel, func() { f.Subscribe(0) }))
-	}
-}
-
-func checkPanic(want error, fn func()) (err error) {
-	defer func() {
-		panicResult := recover()
-		if panicResult == nil {
-			err = fmt.Errorf("didn't panic")
-		} else if !reflect.DeepEqual(panicResult, want) {
-			err = fmt.Errorf("panicked with wrong error: got %q, want %q", panicResult, want)
-		}
-	}()
-	fn()
-	return nil
-}
-
-func TestFeed(t *testing.T) {
-	var feed Feed
-	var done, subscribed sync.WaitGroup
-	subscriber := func(i int) {
-		defer done.Done()
-
-		subchan := make(chan int)
-		sub := feed.Subscribe(subchan)
-		timeout := time.NewTimer(2 * time.Second)
-		subscribed.Done()
-
-		select {
-		case v := <-subchan:
-			if v != 1 {
-				t.Errorf("%d: received value %d, want 1", i, v)
-			}
-		case <-timeout.C:
-			t.Errorf("%d: receive timeout", i)
-		}
-
-		sub.Unsubscribe()
-		select {
-		case _, ok := <-sub.Err():
-			if ok {
-				t.Errorf("%d: error channel not closed after unsubscribe", i)
-			}
-		case <-timeout.C:
-			t.Errorf("%d: unsubscribe timeout", i)
-		}
-	}
-
-	const n = 1000
-	done.Add(n)
-	subscribed.Add(n)
-	for i := 0; i < n; i++ {
-		go subscriber(i)
-	}
-	subscribed.Wait()
-	if nsent := feed.Send(1); nsent != n {
-		t.Errorf("first send delivered %d times, want %d", nsent, n)
-	}
-	if nsent := feed.Send(2); nsent != 0 {
-		t.Errorf("second send delivered %d times, want 0", nsent)
-	}
-	done.Wait()
-}
-
-func TestFeedSubscribeSameChannel(t *testing.T) {
-	var (
-		feed Feed
-		done sync.WaitGroup
-		ch   = make(chan int)
-		sub1 = feed.Subscribe(ch)
-		sub2 = feed.Subscribe(ch)
-		_    = feed.Subscribe(ch)
-	)
-	expectSends := func(value, n int) {
-		if nsent := feed.Send(value); nsent != n {
-			t.Errorf("send delivered %d times, want %d", nsent, n)
-		}
-		done.Done()
-	}
-	expectRecv := func(wantValue, n int) {
-		for i := 0; i < n; i++ {
-			if v := <-ch; v != wantValue {
-				t.Errorf("received %d, want %d", v, wantValue)
-			}
-		}
-	}
-
-	done.Add(1)
-	go expectSends(1, 3)
-	expectRecv(1, 3)
-	done.Wait()
-
-	sub1.Unsubscribe()
-
-	done.Add(1)
-	go expectSends(2, 2)
-	expectRecv(2, 2)
-	done.Wait()
-
-	sub2.Unsubscribe()
-
-	done.Add(1)
-	go expectSends(3, 1)
-	expectRecv(3, 1)
-	done.Wait()
-}
-
-func TestFeedSubscribeBlockedPost(_ *testing.T) {
-	var (
-		feed   Feed
-		nsends = 2000
-		ch1    = make(chan int)
-		ch2    = make(chan int)
-		wg     sync.WaitGroup
-	)
-	defer wg.Wait()
-
-	feed.Subscribe(ch1)
-	wg.Add(nsends)
-	for i := 0; i < nsends; i++ {
-		go func() {
-			feed.Send(99)
-			wg.Done()
-		}()
-	}
-
-	sub2 := feed.Subscribe(ch2)
-	defer sub2.Unsubscribe()
-
-	// We're done when ch1 has received N times.
-	// The number of receives on ch2 depends on scheduling.
-	for i := 0; i < nsends; {
-		select {
-		case <-ch1:
-			i++
-		case <-ch2:
-		}
-	}
-}
-
-func TestFeedUnsubscribeBlockedPost(_ *testing.T) {
-	var (
-		feed   Feed
-		nsends = 200
-		chans  = make([]chan int, 2000)
-		subs   = make([]Subscription, len(chans))
-		bchan  = make(chan int)
-		bsub   = feed.Subscribe(bchan)
-		wg     sync.WaitGroup
-	)
-	for i := range chans {
-		chans[i] = make(chan int, nsends)
-	}
-
-	// Queue up some Sends. None of these can make progress while bchan isn't read.
-	wg.Add(nsends)
-	for i := 0; i < nsends; i++ {
-		go func() {
-			feed.Send(99)
-			wg.Done()
-		}()
-	}
-	// Subscribe the other channels.
-	for i, ch := range chans {
-		subs[i] = feed.Subscribe(ch)
-	}
-	// Unsubscribe them again.
-	for _, sub := range subs {
-		sub.Unsubscribe()
-	}
-	// Unblock the Sends.
-	bsub.Unsubscribe()
-	wg.Wait()
-}
-
-// Checks that unsubscribing a channel during Send works even if that
-// channel has already been sent on.
-func TestFeedUnsubscribeSentChan(_ *testing.T) {
-	var (
-		feed Feed
-		ch1  = make(chan int)
-		ch2  = make(chan int)
-		sub1 = feed.Subscribe(ch1)
-		sub2 = feed.Subscribe(ch2)
-		wg   sync.WaitGroup
-	)
-	defer sub2.Unsubscribe()
-
-	wg.Add(1)
-	go func() {
-		feed.Send(0)
-		wg.Done()
-	}()
-
-	// Wait for the value on ch1.
-	<-ch1
-	// Unsubscribe ch1, removing it from the send cases.
-	sub1.Unsubscribe()
-
-	// Receive ch2, finishing Send.
-	<-ch2
-	wg.Wait()
-
-	// Send again. This should send to ch2 only, so the wait group will unblock
-	// as soon as a value is received on ch2.
-	wg.Add(1)
-	go func() {
-		feed.Send(0)
-		wg.Done()
-	}()
-	<-ch2
-	wg.Wait()
-}
-
-func TestFeedUnsubscribeFromInbox(t *testing.T) {
-	var (
-		feed Feed
-		ch1  = make(chan int)
-		ch2  = make(chan int)
-		sub1 = feed.Subscribe(ch1)
-		sub2 = feed.Subscribe(ch1)
-		sub3 = feed.Subscribe(ch2)
-	)
-	assert.Equal(t, 3, len(feed.inbox))
-	assert.Equal(t, 1, len(feed.sendCases), "sendCases is non-empty after unsubscribe")
-
-	sub1.Unsubscribe()
-	sub2.Unsubscribe()
-	sub3.Unsubscribe()
-	assert.Equal(t, 0, len(feed.inbox), "Inbox is non-empty after unsubscribe")
-	assert.Equal(t, 1, len(feed.sendCases), "sendCases is non-empty after unsubscribe")
-}
-
-func BenchmarkFeedSend1000(b *testing.B) {
-	var (
-		done  sync.WaitGroup
-		feed  Feed
-		nsubs = 1000
-	)
-	subscriber := func(ch <-chan int) {
-		for i := 0; i < b.N; i++ {
-			<-ch
-		}
-		done.Done()
-	}
-	done.Add(nsubs)
-	for i := 0; i < nsubs; i++ {
-		ch := make(chan int, 200)
-		feed.Subscribe(ch)
-		go subscriber(ch)
-	}
-
-	// The actual benchmark.
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		if feed.Send(i) != nsubs {
-			panic("wrong number of sends")
-		}
-	}
-
-	b.StopTimer()
-	done.Wait()
-}
-
-func TestFeed_Send(t *testing.T) {
-	tests := []struct {
-		name        string
-		evFeed      *Feed
-		testSetup   func(fd *Feed, t *testing.T, o interface{})
-		obj         interface{}
-		expectPanic bool
-	}{
-		{
-			name:   "normal struct",
-			evFeed: new(Feed),
-			testSetup: func(fd *Feed, t *testing.T, o interface{}) {
-				testChan := make(chan testFeedWithPointer, 1)
-				fd.Subscribe(testChan)
-			},
-			obj: testFeedWithPointer{
-				a: new(uint64),
-				b: new(string),
-			},
-			expectPanic: false,
-		},
-		{
-			name:   "un-implemented interface",
-			evFeed: new(Feed),
-			testSetup: func(fd *Feed, t *testing.T, o interface{}) {
-				testChan := make(chan testFeedIface, 1)
-				fd.Subscribe(testChan)
-			},
-			obj: testFeedWithPointer{
-				a: new(uint64),
-				b: new(string),
-			},
-			expectPanic: true,
-		},
-		{
-			name:   "semi-implemented interface",
-			evFeed: new(Feed),
-			testSetup: func(fd *Feed, t *testing.T, o interface{}) {
-				testChan := make(chan testFeedIface, 1)
-				fd.Subscribe(testChan)
-			},
-			obj: testFeed2{
-				a: 0,
-				b: "",
-				c: []byte{'A'},
-			},
-			expectPanic: true,
-		},
-		{
-			name:   "fully-implemented interface",
-			evFeed: new(Feed),
-			testSetup: func(fd *Feed, t *testing.T, o interface{}) {
-				testChan := make(chan testFeedIface)
-				// Make it unbuffered to allow message to
-				// pass through
-				go func() {
-					a := <-testChan
-					if !reflect.DeepEqual(a, o) {
-						t.Errorf("Got = %v, want = %v", a, o)
-					}
-				}()
-				fd.Subscribe(testChan)
-			},
-			obj: testFeed{
-				a: 0,
-				b: "",
-			},
-			expectPanic: false,
-		},
-		{
-			name:   "fully-implemented interface with additional methods",
-			evFeed: new(Feed),
-			testSetup: func(fd *Feed, t *testing.T, o interface{}) {
-				testChan := make(chan testFeedIface)
-				// Make it unbuffered to allow message to
-				// pass through
-				go func() {
-					a := <-testChan
-					if !reflect.DeepEqual(a, o) {
-						t.Errorf("Got = %v, want = %v", a, o)
-					}
-				}()
-				fd.Subscribe(testChan)
-			},
-			obj: testFeed3{
-				a: 0,
-				b: "",
-				c: []byte{'A'},
-				d: []byte{'B'},
-			},
-			expectPanic: false,
-		},
-		{
-			name:   "concrete types implementing the same interface",
-			evFeed: new(Feed),
-			testSetup: func(fd *Feed, t *testing.T, o interface{}) {
-				testChan := make(chan testFeed, 1)
-				// Make it unbuffered to allow message to
-				// pass through
-				go func() {
-					a := <-testChan
-					if !reflect.DeepEqual(a, o) {
-						t.Errorf("Got = %v, want = %v", a, o)
-					}
-				}()
-				fd.Subscribe(testChan)
-			},
-			obj: testFeed3{
-				a: 0,
-				b: "",
-				c: []byte{'A'},
-				d: []byte{'B'},
-			},
-			expectPanic: true,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			defer func() {
-				if r := recover(); r != nil {
-					if !tt.expectPanic {
-						t.Errorf("panic triggered when unexpected: %v", r)
-					}
-				} else {
-					if tt.expectPanic {
-						t.Error("panic not triggered when expected")
-					}
-				}
-			}()
-			tt.testSetup(tt.evFeed, t, tt.obj)
-			if gotNsent := tt.evFeed.Send(tt.obj); gotNsent != 1 {
-				t.Errorf("Send() = %v, want %v", gotNsent, 1)
-			}
-		})
-	}
-}
-
-// The following objects below are a collection of different
-// struct types to test with.
-type testFeed struct {
-	a uint64
-	b string
-}
-
-func (testFeed) method1() {
-
-}
-
-func (testFeed) method2() {
-
-}
-
-type testFeedWithPointer struct {
-	a *uint64
-	b *string
-}
-
-type testFeed2 struct {
-	a uint64
-	b string
-	c []byte
-}
-
-func (testFeed2) method1() {
-
-}
-
-type testFeed3 struct {
-	a    uint64
-	b    string
-	c, d []byte
-}
-
-func (testFeed3) method1() {
-
-}
-
-func (testFeed3) method2() {
-
-}
-
-func (testFeed3) method3() {
-
-}
-
-type testFeedIface interface {
-	method1()
-	method2()
-}

async/event/interface.go

@@ -0,0 +1,8 @@
+package event
+
+// SubscriberSender is an abstract representation of an *event.Feed
+// to use in describing types that accept or return an *event.Feed.
+type SubscriberSender interface {
+	Subscribe(channel interface{}) Subscription
+	Send(value interface{}) (nsent int)
+}

async/event/subscription.go

@@ -28,25 +28,6 @@ import (
 // request backoff time.
 const waitQuotient = 10
 
-// Subscription represents a stream of events. The carrier of the events is typically a
-// channel, but isn't part of the interface.
-//
-// Subscriptions can fail while established. Failures are reported through an error
-// channel. It receives a value if there is an issue with the subscription (e.g. the
-// network connection delivering the events has been closed). Only one value will ever be
-// sent.
-//
-// The error channel is closed when the subscription ends successfully (i.e. when the
-// source of events is closed). It is also closed when Unsubscribe is called.
-//
-// The Unsubscribe method cancels the sending of events. You must call Unsubscribe in all
-// cases to ensure that resources related to the subscription are released. It can be
-// called any number of times.
-type Subscription interface {
-	Err() <-chan error // returns the error channel
-	Unsubscribe()      // cancels sending of events, closing the error channel
-}
-
 // NewSubscription runs a producer function as a subscription in a new goroutine. The
 // channel given to the producer is closed when Unsubscribe is called. If fn returns an
 // error, it is sent on the subscription's error channel.

beacon-chain/blockchain/BUILD.bazel

@@ -97,7 +97,6 @@ go_library(
         "@com_github_prometheus_client_golang//prometheus:go_default_library",
         "@com_github_prometheus_client_golang//prometheus/promauto:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
-        "@io_opencensus_go//trace:go_default_library",
         "@org_golang_x_sync//errgroup:go_default_library",
     ],
 )

beacon-chain/blockchain/chain_info.go

@@ -12,6 +12,7 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/state"
 	fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
+	consensus_blocks "github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/forkchoice"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/interfaces"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
@@ -44,7 +45,7 @@ type ForkchoiceFetcher interface {
 	UpdateHead(context.Context, primitives.Slot)
 	HighestReceivedBlockSlot() primitives.Slot
 	ReceivedBlocksLastEpoch() (uint64, error)
-	InsertNode(context.Context, state.BeaconState, [32]byte) error
+	InsertNode(context.Context, state.BeaconState, consensus_blocks.ROBlock) error
 	ForkChoiceDump(context.Context) (*forkchoice.Dump, error)
 	NewSlot(context.Context, primitives.Slot) error
 	ProposerBoost() [32]byte
@@ -203,7 +204,7 @@ func (s *Service) HeadState(ctx context.Context) (state.BeaconState, error) {
 	defer s.headLock.RUnlock()
 
 	ok := s.hasHeadState()
-	span.AddAttributes(trace.BoolAttribute("cache_hit", ok))
+	span.SetAttributes(trace.BoolAttribute("cache_hit", ok))
 
 	if ok {
 		return s.headState(ctx), nil
@@ -225,7 +226,7 @@ func (s *Service) HeadStateReadOnly(ctx context.Context) (state.ReadOnlyBeaconSt
 	defer s.headLock.RUnlock()
 
 	ok := s.hasHeadState()
-	span.AddAttributes(trace.BoolAttribute("cache_hit", ok))
+	span.SetAttributes(trace.BoolAttribute("cache_hit", ok))
 
 	if ok {
 		return s.headStateReadOnly(ctx), nil
@@ -242,7 +243,7 @@ func (s *Service) HeadValidatorsIndices(ctx context.Context, epoch primitives.Ep
 	if !s.hasHeadState() {
 		return []primitives.ValidatorIndex{}, nil
 	}
-	return helpers.ActiveValidatorIndices(ctx, s.headState(ctx), epoch)
+	return helpers.ActiveValidatorIndices(ctx, s.headStateReadOnly(ctx), epoch)
 }
 
 // HeadGenesisValidatorsRoot returns genesis validators root of the head state.

beacon-chain/blockchain/chain_info_forkchoice.go

@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/state"
+	consensus_blocks "github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/forkchoice"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 )
@@ -44,10 +45,10 @@ func (s *Service) ReceivedBlocksLastEpoch() (uint64, error) {
 }
 
 // InsertNode is a wrapper for node insertion which is self locked
-func (s *Service) InsertNode(ctx context.Context, st state.BeaconState, root [32]byte) error {
+func (s *Service) InsertNode(ctx context.Context, st state.BeaconState, block consensus_blocks.ROBlock) error {
 	s.cfg.ForkChoiceStore.Lock()
 	defer s.cfg.ForkChoiceStore.Unlock()
-	return s.cfg.ForkChoiceStore.InsertNode(ctx, st, root)
+	return s.cfg.ForkChoiceStore.InsertNode(ctx, st, block)
 }
 
 // ForkChoiceDump returns the corresponding value from forkchoice

beacon-chain/blockchain/chain_info_test.go

@@ -13,6 +13,7 @@ import (
 	fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
+	consensus_blocks "github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
 	enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
@@ -38,7 +39,7 @@ func prepareForkchoiceState(
 	payloadHash [32]byte,
 	justified *ethpb.Checkpoint,
 	finalized *ethpb.Checkpoint,
-) (state.BeaconState, [32]byte, error) {
+) (state.BeaconState, consensus_blocks.ROBlock, error) {
 	blockHeader := &ethpb.BeaconBlockHeader{
 		ParentRoot: parentRoot[:],
 	}
@@ -59,7 +60,26 @@ func prepareForkchoiceState(
 
 	base.BlockRoots[0] = append(base.BlockRoots[0], blockRoot[:]...)
 	st, err := state_native.InitializeFromProtoBellatrix(base)
-	return st, blockRoot, err
+	if err != nil {
+		return nil, consensus_blocks.ROBlock{}, err
+	}
+	blk := &ethpb.SignedBeaconBlockBellatrix{
+		Block: &ethpb.BeaconBlockBellatrix{
+			Slot:       slot,
+			ParentRoot: parentRoot[:],
+			Body: &ethpb.BeaconBlockBodyBellatrix{
+				ExecutionPayload: &enginev1.ExecutionPayload{
+					BlockHash: payloadHash[:],
+				},
+			},
+		},
+	}
+	signed, err := blocks.NewSignedBeaconBlock(blk)
+	if err != nil {
+		return nil, consensus_blocks.ROBlock{}, err
+	}
+	roblock, err := consensus_blocks.NewROBlockWithRoot(signed, blockRoot)
+	return st, roblock, err
 }
 
 func TestHeadRoot_Nil(t *testing.T) {
@@ -122,9 +142,9 @@ func TestUnrealizedJustifiedBlockHash(t *testing.T) {
 	service := &Service{cfg: &config{ForkChoiceStore: doublylinkedtree.New()}}
 	ojc := &ethpb.Checkpoint{Root: []byte{'j'}}
 	ofc := &ethpb.Checkpoint{Root: []byte{'f'}}
-	st, blkRoot, err := prepareForkchoiceState(ctx, 0, [32]byte{}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
+	st, roblock, err := prepareForkchoiceState(ctx, 0, [32]byte{}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
 	require.NoError(t, err)
-	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
+	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
 	service.cfg.ForkChoiceStore.SetBalancesByRooter(func(_ context.Context, _ [32]byte) ([]uint64, error) { return []uint64{}, nil })
 	require.NoError(t, service.cfg.ForkChoiceStore.UpdateJustifiedCheckpoint(ctx, &forkchoicetypes.Checkpoint{Epoch: 6, Root: [32]byte{'j'}}))
 
@@ -316,24 +336,24 @@ func TestService_ChainHeads(t *testing.T) {
 	c := &Service{cfg: &config{ForkChoiceStore: doublylinkedtree.New()}}
 	ojc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
 	ofc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
-	st, blkRoot, err := prepareForkchoiceState(ctx, 0, [32]byte{}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
+	st, roblock, err := prepareForkchoiceState(ctx, 0, [32]byte{}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
 	require.NoError(t, err)
-	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
-	st, blkRoot, err = prepareForkchoiceState(ctx, 100, [32]byte{'a'}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
+	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
+	st, roblock, err = prepareForkchoiceState(ctx, 100, [32]byte{'a'}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
 	require.NoError(t, err)
-	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
-	st, blkRoot, err = prepareForkchoiceState(ctx, 101, [32]byte{'b'}, [32]byte{'a'}, params.BeaconConfig().ZeroHash, ojc, ofc)
+	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
+	st, roblock, err = prepareForkchoiceState(ctx, 101, [32]byte{'b'}, [32]byte{'a'}, params.BeaconConfig().ZeroHash, ojc, ofc)
 	require.NoError(t, err)
-	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
-	st, blkRoot, err = prepareForkchoiceState(ctx, 102, [32]byte{'c'}, [32]byte{'b'}, params.BeaconConfig().ZeroHash, ojc, ofc)
+	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
+	st, roblock, err = prepareForkchoiceState(ctx, 102, [32]byte{'c'}, [32]byte{'b'}, params.BeaconConfig().ZeroHash, ojc, ofc)
 	require.NoError(t, err)
-	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
-	st, blkRoot, err = prepareForkchoiceState(ctx, 103, [32]byte{'d'}, [32]byte{'a'}, params.BeaconConfig().ZeroHash, ojc, ofc)
+	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
+	st, roblock, err = prepareForkchoiceState(ctx, 103, [32]byte{'d'}, [32]byte{'a'}, params.BeaconConfig().ZeroHash, ojc, ofc)
 	require.NoError(t, err)
-	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
-	st, blkRoot, err = prepareForkchoiceState(ctx, 104, [32]byte{'e'}, [32]byte{'b'}, params.BeaconConfig().ZeroHash, ojc, ofc)
+	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
+	st, roblock, err = prepareForkchoiceState(ctx, 104, [32]byte{'e'}, [32]byte{'b'}, params.BeaconConfig().ZeroHash, ojc, ofc)
 	require.NoError(t, err)
-	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
+	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
 
 	roots, slots := c.ChainHeads()
 	require.Equal(t, 3, len(roots))
@@ -413,12 +433,12 @@ func TestService_IsOptimistic(t *testing.T) {
 	ojc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
 	ofc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
 	c := &Service{cfg: &config{ForkChoiceStore: doublylinkedtree.New()}, head: &head{root: [32]byte{'b'}}}
-	st, blkRoot, err := prepareForkchoiceState(ctx, 100, [32]byte{'a'}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
+	st, roblock, err := prepareForkchoiceState(ctx, 100, [32]byte{'a'}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
 	require.NoError(t, err)
-	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
-	st, blkRoot, err = prepareForkchoiceState(ctx, 101, [32]byte{'b'}, [32]byte{'a'}, params.BeaconConfig().ZeroHash, ojc, ofc)
+	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
+	st, roblock, err = prepareForkchoiceState(ctx, 101, [32]byte{'b'}, [32]byte{'a'}, params.BeaconConfig().ZeroHash, ojc, ofc)
 	require.NoError(t, err)
-	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
+	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
 
 	opt, err := c.IsOptimistic(ctx)
 	require.NoError(t, err)
@@ -449,12 +469,12 @@ func TestService_IsOptimisticForRoot(t *testing.T) {
 	c := &Service{cfg: &config{ForkChoiceStore: doublylinkedtree.New()}, head: &head{root: [32]byte{'b'}}}
 	ojc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
 	ofc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
-	st, blkRoot, err := prepareForkchoiceState(ctx, 100, [32]byte{'a'}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
+	st, roblock, err := prepareForkchoiceState(ctx, 100, [32]byte{'a'}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
 	require.NoError(t, err)
-	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
-	st, blkRoot, err = prepareForkchoiceState(ctx, 101, [32]byte{'b'}, [32]byte{'a'}, params.BeaconConfig().ZeroHash, ojc, ofc)
+	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
+	st, roblock, err = prepareForkchoiceState(ctx, 101, [32]byte{'b'}, [32]byte{'a'}, params.BeaconConfig().ZeroHash, ojc, ofc)
 	require.NoError(t, err)
-	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
+	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
 
 	opt, err := c.IsOptimisticForRoot(ctx, [32]byte{'a'})
 	require.NoError(t, err)

beacon-chain/blockchain/execution_engine.go

@@ -2,7 +2,6 @@ package blockchain
 
 import (
 	"context"
-	"crypto/sha256"
 	"fmt"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -28,8 +27,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-const blobCommitmentVersionKZG uint8 = 0x01
-
 var defaultLatestValidHash = bytesutil.PadTo([]byte{0xff}, 32)
 
 // notifyForkchoiceUpdate signals execution engine the fork choice updates. Execution engine should:
@@ -219,17 +216,25 @@ func (s *Service) notifyNewPayload(ctx context.Context, preStateVersion int,
 	}
 
 	var lastValidHash []byte
+	var parentRoot *common.Hash
+	var versionedHashes []common.Hash
+	var requests *enginev1.ExecutionRequests
 	if blk.Version() >= version.Deneb {
-		var versionedHashes []common.Hash
 		versionedHashes, err = kzgCommitmentsToVersionedHashes(blk.Block().Body())
 		if err != nil {
 			return false, errors.Wrap(err, "could not get versioned hashes to feed the engine")
 		}
-		pr := common.Hash(blk.Block().ParentRoot())
-		lastValidHash, err = s.cfg.ExecutionEngineCaller.NewPayload(ctx, payload, versionedHashes, &pr)
-	} else {
-		lastValidHash, err = s.cfg.ExecutionEngineCaller.NewPayload(ctx, payload, []common.Hash{}, &common.Hash{} /*empty version hashes and root before Deneb*/)
+		prh := common.Hash(blk.Block().ParentRoot())
+		parentRoot = &prh
 	}
+	if blk.Version() >= version.Electra {
+		requests, err = blk.Block().Body().ExecutionRequests()
+		if err != nil {
+			return false, errors.Wrap(err, "could not get execution requests")
+		}
+	}
+	lastValidHash, err = s.cfg.ExecutionEngineCaller.NewPayload(ctx, payload, versionedHashes, parentRoot, requests)
+
 	switch {
 	case err == nil:
 		newPayloadValidNodeCount.Inc()
@@ -402,13 +407,7 @@ func kzgCommitmentsToVersionedHashes(body interfaces.ReadOnlyBeaconBlockBody) ([
 
 	versionedHashes := make([]common.Hash, len(commitments))
 	for i, commitment := range commitments {
-		versionedHashes[i] = ConvertKzgCommitmentToVersionedHash(commitment)
+		versionedHashes[i] = primitives.ConvertKzgCommitmentToVersionedHash(commitment)
 	}
 	return versionedHashes, nil
 }
-
-func ConvertKzgCommitmentToVersionedHash(commitment []byte) common.Hash {
-	versionedHash := sha256.Sum256(commitment)
-	versionedHash[0] = blobCommitmentVersionKZG
-	return versionedHash
-}

beacon-chain/blockchain/execution_engine_test.go

@@ -1135,9 +1135,14 @@ func TestComputePayloadAttribute(t *testing.T) {
 	// Cache hit, advance state, no fee recipient
 	slot := primitives.Slot(1)
 	service.cfg.PayloadIDCache.Set(slot, [32]byte{}, [8]byte{})
+	blk := util.NewBeaconBlockBellatrix()
+	signed, err := consensusblocks.NewSignedBeaconBlock(blk)
+	require.NoError(t, err)
+	roblock, err := consensusblocks.NewROBlockWithRoot(signed, [32]byte{'a'})
+	require.NoError(t, err)
 	cfg := &postBlockProcessConfig{
-		ctx:       ctx,
-		blockRoot: [32]byte{'a'},
+		ctx:     ctx,
+		roblock: roblock,
 	}
 	fcu := &fcuConfig{
 		headState:     st,

beacon-chain/blockchain/forkchoice_update_execution.go

@@ -12,9 +12,9 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/interfaces"
 	payloadattribute "github.com/prysmaticlabs/prysm/v5/consensus-types/payload-attribute"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
+	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 	"github.com/prysmaticlabs/prysm/v5/time/slots"
 	"github.com/sirupsen/logrus"
-	"go.opencensus.io/trace"
 )
 
 func (s *Service) isNewHead(r [32]byte) bool {

beacon-chain/blockchain/process_attestation.go

@@ -7,10 +7,10 @@ import (
 	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/helpers"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
+	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 	"github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1/attestation"
 	"github.com/prysmaticlabs/prysm/v5/time/slots"
-	"go.opencensus.io/trace"
 )
 
 // OnAttestation is called whenever an attestation is received, verifies the attestation is valid and saves

beacon-chain/blockchain/process_attestation_test.go

@@ -32,18 +32,18 @@ func TestStore_OnAttestation_ErrorConditions(t *testing.T) {
 	util.SaveBlock(t, ctx, beaconDB, blkWithoutState)
 
 	cp := &ethpb.Checkpoint{}
-	st, blkRoot, err := prepareForkchoiceState(ctx, 0, [32]byte{}, [32]byte{}, params.BeaconConfig().ZeroHash, cp, cp)
+	st, roblock, err := prepareForkchoiceState(ctx, 0, [32]byte{}, [32]byte{}, params.BeaconConfig().ZeroHash, cp, cp)
 	require.NoError(t, err)
-	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
+	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
 
 	blkWithStateBadAtt := util.NewBeaconBlock()
 	blkWithStateBadAtt.Block.Slot = 1
 	r, err := blkWithStateBadAtt.Block.HashTreeRoot()
 	require.NoError(t, err)
 	cp = &ethpb.Checkpoint{Root: r[:]}
-	st, blkRoot, err = prepareForkchoiceState(ctx, blkWithStateBadAtt.Block.Slot, r, [32]byte{}, params.BeaconConfig().ZeroHash, cp, cp)
+	st, roblock, err = prepareForkchoiceState(ctx, blkWithStateBadAtt.Block.Slot, r, [32]byte{}, params.BeaconConfig().ZeroHash, cp, cp)
 	require.NoError(t, err)
-	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
+	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
 	util.SaveBlock(t, ctx, beaconDB, blkWithStateBadAtt)
 	BlkWithStateBadAttRoot, err := blkWithStateBadAtt.Block.HashTreeRoot()
 	require.NoError(t, err)
@@ -139,9 +139,9 @@ func TestStore_OnAttestation_Ok_DoublyLinkedTree(t *testing.T) {
 		require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, copied, tRoot))
 		ojc := &ethpb.Checkpoint{Epoch: 0, Root: tRoot[:]}
 		ofc := &ethpb.Checkpoint{Epoch: 0, Root: tRoot[:]}
-		state, blkRoot, err := prepareForkchoiceState(ctx, 0, tRoot, tRoot, params.BeaconConfig().ZeroHash, ojc, ofc)
+		state, roblock, err := prepareForkchoiceState(ctx, 0, tRoot, tRoot, params.BeaconConfig().ZeroHash, ojc, ofc)
 		require.NoError(t, err)
-		require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, state, blkRoot))
+		require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, state, roblock))
 		require.NoError(t, service.OnAttestation(ctx, att[0], 0))
 	}
 
@@ -318,10 +318,9 @@ func TestStore_UpdateCheckpointState(t *testing.T) {
 	require.NoError(t, err)
 	checkpoint := &ethpb.Checkpoint{Epoch: epoch, Root: r1[:]}
 	require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, baseState, bytesutil.ToBytes32(checkpoint.Root)))
-	st, blkRoot, err := prepareForkchoiceState(ctx, blk.Block.Slot, r1, [32]byte{}, params.BeaconConfig().ZeroHash, checkpoint, checkpoint)
+	st, roblock, err := prepareForkchoiceState(ctx, blk.Block.Slot, r1, [32]byte{}, params.BeaconConfig().ZeroHash, checkpoint, checkpoint)
 	require.NoError(t, err)
-	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
-	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, r1))
+	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
 	returned, err := service.getAttPreState(ctx, checkpoint)
 	require.NoError(t, err)
 	assert.Equal(t, params.BeaconConfig().SlotsPerEpoch.Mul(uint64(checkpoint.Epoch)), returned.Slot(), "Incorrectly returned base state")
@@ -337,10 +336,9 @@ func TestStore_UpdateCheckpointState(t *testing.T) {
 	require.NoError(t, err)
 	newCheckpoint := &ethpb.Checkpoint{Epoch: epoch, Root: r2[:]}
 	require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, baseState, bytesutil.ToBytes32(newCheckpoint.Root)))
-	st, blkRoot, err = prepareForkchoiceState(ctx, blk.Block.Slot, r2, r1, params.BeaconConfig().ZeroHash, newCheckpoint, newCheckpoint)
+	st, roblock, err = prepareForkchoiceState(ctx, blk.Block.Slot, r2, r1, params.BeaconConfig().ZeroHash, newCheckpoint, newCheckpoint)
 	require.NoError(t, err)
-	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
-	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, r2))
+	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
 	returned, err = service.getAttPreState(ctx, newCheckpoint)
 	require.NoError(t, err)
 	s, err := slots.EpochStart(newCheckpoint.Epoch)

beacon-chain/blockchain/process_block.go

@@ -46,8 +46,7 @@ var initialSyncBlockCacheSize = uint64(2 * params.BeaconConfig().SlotsPerEpoch)
 // process the beacon block after validating the state transition function
 type postBlockProcessConfig struct {
 	ctx            context.Context
-	signed         interfaces.ReadOnlySignedBeaconBlock
-	blockRoot      [32]byte
+	roblock        consensusblocks.ROBlock
 	headRoot       [32]byte
 	postState      state.BeaconState
 	isValidPayload bool
@@ -61,7 +60,7 @@ func (s *Service) postBlockProcess(cfg *postBlockProcessConfig) error {
 	ctx, span := trace.StartSpan(cfg.ctx, "blockChain.onBlock")
 	defer span.End()
 	cfg.ctx = ctx
-	if err := consensusblocks.BeaconBlockIsNil(cfg.signed); err != nil {
+	if err := consensusblocks.BeaconBlockIsNil(cfg.roblock); err != nil {
 		return invalidBlock{error: err}
 	}
 	startTime := time.Now()
@@ -73,19 +72,20 @@ func (s *Service) postBlockProcess(cfg *postBlockProcessConfig) error {
 	defer s.sendLightClientFeeds(cfg)
 	defer s.sendStateFeedOnBlock(cfg)
 	defer reportProcessingTime(startTime)
-	defer reportAttestationInclusion(cfg.signed.Block())
+	defer reportAttestationInclusion(cfg.roblock.Block())
 
-	err := s.cfg.ForkChoiceStore.InsertNode(ctx, cfg.postState, cfg.blockRoot)
+	err := s.cfg.ForkChoiceStore.InsertNode(ctx, cfg.postState, cfg.roblock)
 	if err != nil {
-		return errors.Wrapf(err, "could not insert block %d to fork choice store", cfg.signed.Block().Slot())
+		s.rollbackBlock(ctx, cfg.roblock.Root())
+		return errors.Wrapf(err, "could not insert block %d to fork choice store", cfg.roblock.Block().Slot())
 	}
-	if err := s.handleBlockAttestations(ctx, cfg.signed.Block(), cfg.postState); err != nil {
+	if err := s.handleBlockAttestations(ctx, cfg.roblock.Block(), cfg.postState); err != nil {
 		return errors.Wrap(err, "could not handle block's attestations")
 	}
 
-	s.InsertSlashingsToForkChoiceStore(ctx, cfg.signed.Block().Body().AttesterSlashings())
+	s.InsertSlashingsToForkChoiceStore(ctx, cfg.roblock.Block().Body().AttesterSlashings())
 	if cfg.isValidPayload {
-		if err := s.cfg.ForkChoiceStore.SetOptimisticToValid(ctx, cfg.blockRoot); err != nil {
+		if err := s.cfg.ForkChoiceStore.SetOptimisticToValid(ctx, cfg.roblock.Root()); err != nil {
 			return errors.Wrap(err, "could not set optimistic block to valid")
 		}
 	}
@@ -95,8 +95,8 @@ func (s *Service) postBlockProcess(cfg *postBlockProcessConfig) error {
 		log.WithError(err).Warn("Could not update head")
 	}
 	newBlockHeadElapsedTime.Observe(float64(time.Since(start).Milliseconds()))
-	if cfg.headRoot != cfg.blockRoot {
-		s.logNonCanonicalBlockReceived(cfg.blockRoot, cfg.headRoot)
+	if cfg.headRoot != cfg.roblock.Root() {
+		s.logNonCanonicalBlockReceived(cfg.roblock.Root(), cfg.headRoot)
 		return nil
 	}
 	if err := s.getFCUArgs(cfg, fcuArgs); err != nil {
@@ -154,7 +154,7 @@ func (s *Service) onBlockBatch(ctx context.Context, blks []consensusblocks.ROBlo
 	}
 
 	// Fill in missing blocks
-	if err := s.fillInForkChoiceMissingBlocks(ctx, blks[0].Block(), preState.CurrentJustifiedCheckpoint(), preState.FinalizedCheckpoint()); err != nil {
+	if err := s.fillInForkChoiceMissingBlocks(ctx, blks[0], preState.CurrentJustifiedCheckpoint(), preState.FinalizedCheckpoint()); err != nil {
 		return errors.Wrap(err, "could not fill in missing blocks to forkchoice")
 	}
 
@@ -234,7 +234,7 @@ func (s *Service) onBlockBatch(ctx context.Context, blks []consensusblocks.ROBlo
 		if err := avs.IsDataAvailable(ctx, s.CurrentSlot(), b); err != nil {
 			return errors.Wrapf(err, "could not validate blob data availability at slot %d", b.Block().Slot())
 		}
-		args := &forkchoicetypes.BlockAndCheckpoints{Block: b.Block(),
+		args := &forkchoicetypes.BlockAndCheckpoints{Block: b,
 			JustifiedCheckpoint: jCheckpoints[i],
 			FinalizedCheckpoint: fCheckpoints[i]}
 		pendingNodes[len(blks)-i-1] = args
@@ -279,7 +279,7 @@ func (s *Service) onBlockBatch(ctx context.Context, blks []consensusblocks.ROBlo
 		return errors.Wrap(err, "could not insert batch to forkchoice")
 	}
 	// Insert the last block to forkchoice
-	if err := s.cfg.ForkChoiceStore.InsertNode(ctx, preState, lastBR); err != nil {
+	if err := s.cfg.ForkChoiceStore.InsertNode(ctx, preState, lastB); err != nil {
 		return errors.Wrap(err, "could not insert last block in batch to forkchoice")
 	}
 	// Set their optimistic status
@@ -404,6 +404,10 @@ func (s *Service) savePostStateInfo(ctx context.Context, r [32]byte, b interface
 		return errors.Wrapf(err, "could not save block from slot %d", b.Block().Slot())
 	}
 	if err := s.cfg.StateGen.SaveState(ctx, r, st); err != nil {
+		log.Warnf("Rolling back insertion of block with root %#x", r)
+		if err := s.cfg.BeaconDB.DeleteBlock(ctx, r); err != nil {
+			log.WithError(err).Errorf("Could not delete block with block root %#x", r)
+		}
 		return errors.Wrap(err, "could not save state")
 	}
 	return nil
@@ -684,3 +688,15 @@ func (s *Service) handleInvalidExecutionError(ctx context.Context, err error, bl
 	}
 	return err
 }
+
+// In the event of an issue processing a block we rollback changes done to the db and our caches
+// to always ensure that the node's internal state is consistent.
+func (s *Service) rollbackBlock(ctx context.Context, blockRoot [32]byte) {
+	log.Warnf("Rolling back insertion of block with root %#x due to processing error", blockRoot)
+	if err := s.cfg.StateGen.DeleteStateFromCaches(ctx, blockRoot); err != nil {
+		log.WithError(err).Errorf("Could not delete state from caches with block root %#x", blockRoot)
+	}
+	if err := s.cfg.BeaconDB.DeleteBlock(ctx, blockRoot); err != nil {
+		log.WithError(err).Errorf("Could not delete block with block root %#x", blockRoot)
+	}
+}

beacon-chain/blockchain/process_block_helpers.go

@@ -18,6 +18,7 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/config/features"
 	field_params "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
+	consensus_blocks "github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/interfaces"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
@@ -42,7 +43,7 @@ func (s *Service) getFCUArgs(cfg *postBlockProcessConfig, fcuArgs *fcuConfig) er
 	if !s.inRegularSync() {
 		return nil
 	}
-	slot := cfg.signed.Block().Slot()
+	slot := cfg.roblock.Block().Slot()
 	if slots.WithinVotingWindow(uint64(s.genesisTime.Unix()), slot) {
 		return nil
 	}
@@ -50,9 +51,9 @@ func (s *Service) getFCUArgs(cfg *postBlockProcessConfig, fcuArgs *fcuConfig) er
 }
 
 func (s *Service) getFCUArgsEarlyBlock(cfg *postBlockProcessConfig, fcuArgs *fcuConfig) error {
-	if cfg.blockRoot == cfg.headRoot {
+	if cfg.roblock.Root() == cfg.headRoot {
 		fcuArgs.headState = cfg.postState
-		fcuArgs.headBlock = cfg.signed
+		fcuArgs.headBlock = cfg.roblock
 		fcuArgs.headRoot = cfg.headRoot
 		fcuArgs.proposingSlot = s.CurrentSlot() + 1
 		return nil
@@ -96,7 +97,7 @@ func (s *Service) fcuArgsNonCanonicalBlock(cfg *postBlockProcessConfig, fcuArgs
 
 // sendStateFeedOnBlock sends an event that a new block has been synced
 func (s *Service) sendStateFeedOnBlock(cfg *postBlockProcessConfig) {
-	optimistic, err := s.cfg.ForkChoiceStore.IsOptimistic(cfg.blockRoot)
+	optimistic, err := s.cfg.ForkChoiceStore.IsOptimistic(cfg.roblock.Root())
 	if err != nil {
 		log.WithError(err).Debug("Could not check if block is optimistic")
 		optimistic = true
@@ -105,9 +106,9 @@ func (s *Service) sendStateFeedOnBlock(cfg *postBlockProcessConfig) {
 	s.cfg.StateNotifier.StateFeed().Send(&feed.Event{
 		Type: statefeed.BlockProcessed,
 		Data: &statefeed.BlockProcessedData{
-			Slot:        cfg.signed.Block().Slot(),
-			BlockRoot:   cfg.blockRoot,
-			SignedBlock: cfg.signed,
+			Slot:        cfg.roblock.Block().Slot(),
+			BlockRoot:   cfg.roblock.Root(),
+			SignedBlock: cfg.roblock,
 			Verified:    true,
 			Optimistic:  optimistic,
 		},
@@ -117,7 +118,7 @@ func (s *Service) sendStateFeedOnBlock(cfg *postBlockProcessConfig) {
 // sendLightClientFeeds sends the light client feeds when feature flag is enabled.
 func (s *Service) sendLightClientFeeds(cfg *postBlockProcessConfig) {
 	if features.Get().EnableLightClient {
-		if _, err := s.sendLightClientOptimisticUpdate(cfg.ctx, cfg.signed, cfg.postState); err != nil {
+		if _, err := s.sendLightClientOptimisticUpdate(cfg.ctx, cfg.roblock, cfg.postState); err != nil {
 			log.WithError(err).Error("Failed to send light client optimistic update")
 		}
 
@@ -125,7 +126,7 @@ func (s *Service) sendLightClientFeeds(cfg *postBlockProcessConfig) {
 		finalized := s.ForkChoicer().FinalizedCheckpoint()
 
 		// LightClientFinalityUpdate needs super majority
-		s.tryPublishLightClientFinalityUpdate(cfg.ctx, cfg.signed, finalized, cfg.postState)
+		s.tryPublishLightClientFinalityUpdate(cfg.ctx, cfg.roblock, finalized, cfg.postState)
 	}
 }
 
@@ -162,6 +163,10 @@ func (s *Service) sendLightClientFinalityUpdate(ctx context.Context, signed inte
 	postState state.BeaconState) (int, error) {
 	// Get attested state
 	attestedRoot := signed.Block().ParentRoot()
+	attestedBlock, err := s.cfg.BeaconDB.Block(ctx, attestedRoot)
+	if err != nil {
+		return 0, errors.Wrap(err, "could not get attested block")
+	}
 	attestedState, err := s.cfg.StateGen.StateByRoot(ctx, attestedRoot)
 	if err != nil {
 		return 0, errors.Wrap(err, "could not get attested state")
@@ -183,6 +188,7 @@ func (s *Service) sendLightClientFinalityUpdate(ctx context.Context, signed inte
 		postState,
 		signed,
 		attestedState,
+		attestedBlock,
 		finalizedBlock,
 	)
 
@@ -193,7 +199,7 @@ func (s *Service) sendLightClientFinalityUpdate(ctx context.Context, signed inte
 	// Return the result
 	result := &ethpbv2.LightClientFinalityUpdateWithVersion{
 		Version: ethpbv2.Version(signed.Version()),
-		Data:    lightclient.CreateLightClientFinalityUpdate(update),
+		Data:    update,
 	}
 
 	// Send event
@@ -208,6 +214,10 @@ func (s *Service) sendLightClientOptimisticUpdate(ctx context.Context, signed in
 	postState state.BeaconState) (int, error) {
 	// Get attested state
 	attestedRoot := signed.Block().ParentRoot()
+	attestedBlock, err := s.cfg.BeaconDB.Block(ctx, attestedRoot)
+	if err != nil {
+		return 0, errors.Wrap(err, "could not get attested block")
+	}
 	attestedState, err := s.cfg.StateGen.StateByRoot(ctx, attestedRoot)
 	if err != nil {
 		return 0, errors.Wrap(err, "could not get attested state")
@@ -218,6 +228,7 @@ func (s *Service) sendLightClientOptimisticUpdate(ctx context.Context, signed in
 		postState,
 		signed,
 		attestedState,
+		attestedBlock,
 	)
 
 	if err != nil {
@@ -227,7 +238,7 @@ func (s *Service) sendLightClientOptimisticUpdate(ctx context.Context, signed in
 	// Return the result
 	result := &ethpbv2.LightClientOptimisticUpdateWithVersion{
 		Version: ethpbv2.Version(signed.Version()),
-		Data:    lightclient.CreateLightClientOptimisticUpdate(update),
+		Data:    update,
 	}
 
 	return s.cfg.StateNotifier.StateFeed().Send(&feed.Event{
@@ -242,20 +253,21 @@ func (s *Service) sendLightClientOptimisticUpdate(ctx context.Context, signed in
 // before sending FCU to the engine.
 func (s *Service) updateCachesPostBlockProcessing(cfg *postBlockProcessConfig) error {
 	slot := cfg.postState.Slot()
-	if err := transition.UpdateNextSlotCache(cfg.ctx, cfg.blockRoot[:], cfg.postState); err != nil {
+	root := cfg.roblock.Root()
+	if err := transition.UpdateNextSlotCache(cfg.ctx, root[:], cfg.postState); err != nil {
 		return errors.Wrap(err, "could not update next slot state cache")
 	}
 	if !slots.IsEpochEnd(slot) {
 		return nil
 	}
-	return s.handleEpochBoundary(cfg.ctx, slot, cfg.postState, cfg.blockRoot[:])
+	return s.handleEpochBoundary(cfg.ctx, slot, cfg.postState, root[:])
 }
 
 // handleSecondFCUCall handles a second call to FCU when syncing a new block.
 // This is useful when proposing in the next block and we want to defer the
 // computation of the next slot shuffling.
 func (s *Service) handleSecondFCUCall(cfg *postBlockProcessConfig, fcuArgs *fcuConfig) {
-	if (fcuArgs.attributes == nil || fcuArgs.attributes.IsEmpty()) && cfg.headRoot == cfg.blockRoot {
+	if (fcuArgs.attributes == nil || fcuArgs.attributes.IsEmpty()) && cfg.headRoot == cfg.roblock.Root() {
 		go s.sendFCUWithAttributes(cfg, fcuArgs)
 	}
 }
@@ -271,7 +283,7 @@ func reportProcessingTime(startTime time.Time) {
 // called on blocks that arrive after the attestation voting window, or in a
 // background routine after syncing early blocks.
 func (s *Service) computePayloadAttributes(cfg *postBlockProcessConfig, fcuArgs *fcuConfig) error {
-	if cfg.blockRoot == cfg.headRoot {
+	if cfg.roblock.Root() == cfg.headRoot {
 		if err := s.updateCachesPostBlockProcessing(cfg); err != nil {
 			return err
 		}
@@ -428,7 +440,7 @@ func (s *Service) ancestorByDB(ctx context.Context, r [32]byte, slot primitives.
 
 // This retrieves missing blocks from DB (ie. the blocks that couldn't be received over sync) and inserts them to fork choice store.
 // This is useful for block tree visualizer and additional vote accounting.
-func (s *Service) fillInForkChoiceMissingBlocks(ctx context.Context, blk interfaces.ReadOnlyBeaconBlock,
+func (s *Service) fillInForkChoiceMissingBlocks(ctx context.Context, signed interfaces.ReadOnlySignedBeaconBlock,
 	fCheckpoint, jCheckpoint *ethpb.Checkpoint) error {
 	pendingNodes := make([]*forkchoicetypes.BlockAndCheckpoints, 0)
 
@@ -438,10 +450,15 @@ func (s *Service) fillInForkChoiceMissingBlocks(ctx context.Context, blk interfa
 	if err != nil {
 		return err
 	}
-	pendingNodes = append(pendingNodes, &forkchoicetypes.BlockAndCheckpoints{Block: blk,
+	// The first block can have a bogus root since the block is not inserted in forkchoice
+	roblock, err := consensus_blocks.NewROBlockWithRoot(signed, [32]byte{})
+	if err != nil {
+		return err
+	}
+	pendingNodes = append(pendingNodes, &forkchoicetypes.BlockAndCheckpoints{Block: roblock,
 		JustifiedCheckpoint: jCheckpoint, FinalizedCheckpoint: fCheckpoint})
 	// As long as parent node is not in fork choice store, and parent node is in DB.
-	root := blk.ParentRoot()
+	root := roblock.Block().ParentRoot()
 	for !s.cfg.ForkChoiceStore.HasNode(root) && s.cfg.BeaconDB.HasBlock(ctx, root) {
 		b, err := s.getBlock(ctx, root)
 		if err != nil {
@@ -450,8 +467,12 @@ func (s *Service) fillInForkChoiceMissingBlocks(ctx context.Context, blk interfa
 		if b.Block().Slot() <= fSlot {
 			break
 		}
+		roblock, err := consensus_blocks.NewROBlockWithRoot(b, root)
+		if err != nil {
+			return err
+		}
 		root = b.Block().ParentRoot()
-		args := &forkchoicetypes.BlockAndCheckpoints{Block: b.Block(),
+		args := &forkchoicetypes.BlockAndCheckpoints{Block: roblock,
 			JustifiedCheckpoint: jCheckpoint,
 			FinalizedCheckpoint: fCheckpoint}
 		pendingNodes = append(pendingNodes, args)

beacon-chain/blockchain/process_block_test.go

@@ -145,9 +145,8 @@ func TestFillForkChoiceMissingBlocks_CanSave(t *testing.T) {
 	require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, state, blkRoot))
 	fcp2 := &forkchoicetypes.Checkpoint{Epoch: 0, Root: r0}
 	require.NoError(t, service.cfg.ForkChoiceStore.UpdateFinalizedCheckpoint(fcp2))
-
 	err = service.fillInForkChoiceMissingBlocks(
-		context.Background(), wsb.Block(), beaconState.FinalizedCheckpoint(), beaconState.CurrentJustifiedCheckpoint())
+		context.Background(), wsb, beaconState.FinalizedCheckpoint(), beaconState.CurrentJustifiedCheckpoint())
 	require.NoError(t, err)
 
 	// 5 nodes from the block tree 1. B0 - B3 - B4 - B6 - B8
@@ -190,7 +189,7 @@ func TestFillForkChoiceMissingBlocks_RootsMatch(t *testing.T) {
 	require.NoError(t, service.cfg.ForkChoiceStore.UpdateFinalizedCheckpoint(fcp2))
 
 	err = service.fillInForkChoiceMissingBlocks(
-		context.Background(), wsb.Block(), beaconState.FinalizedCheckpoint(), beaconState.CurrentJustifiedCheckpoint())
+		context.Background(), wsb, beaconState.FinalizedCheckpoint(), beaconState.CurrentJustifiedCheckpoint())
 	require.NoError(t, err)
 
 	// 5 nodes from the block tree 1. B0 - B3 - B4 - B6 - B8
@@ -246,7 +245,7 @@ func TestFillForkChoiceMissingBlocks_FilterFinalized(t *testing.T) {
 	// Set finalized epoch to 2.
 	require.NoError(t, service.cfg.ForkChoiceStore.UpdateFinalizedCheckpoint(&forkchoicetypes.Checkpoint{Epoch: 2, Root: r64}))
 	err = service.fillInForkChoiceMissingBlocks(
-		context.Background(), wsb.Block(), beaconState.FinalizedCheckpoint(), beaconState.CurrentJustifiedCheckpoint())
+		context.Background(), wsb, beaconState.FinalizedCheckpoint(), beaconState.CurrentJustifiedCheckpoint())
 	require.NoError(t, err)
 
 	// There should be 1 node: block 65
@@ -279,7 +278,7 @@ func TestFillForkChoiceMissingBlocks_FinalizedSibling(t *testing.T) {
 	require.NoError(t, err)
 
 	err = service.fillInForkChoiceMissingBlocks(
-		context.Background(), wsb.Block(), beaconState.FinalizedCheckpoint(), beaconState.CurrentJustifiedCheckpoint())
+		context.Background(), wsb, beaconState.FinalizedCheckpoint(), beaconState.CurrentJustifiedCheckpoint())
 	require.Equal(t, ErrNotDescendantOfFinalized.Error(), err.Error())
 }
 
@@ -566,7 +565,9 @@ func TestOnBlock_CanFinalize_WithOnTick(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, r, wsb, postState))
-		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, r, [32]byte{}, postState, true}))
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, r)
+		require.NoError(t, err)
+		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, true}))
 		require.NoError(t, service.updateJustificationOnBlock(ctx, preState, postState, currStoreJustifiedEpoch))
 		_, err = service.updateFinalizationOnBlock(ctx, preState, postState, currStoreFinalizedEpoch)
 		require.NoError(t, err)
@@ -614,7 +615,9 @@ func TestOnBlock_CanFinalize(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, r, wsb, postState))
-		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, r, [32]byte{}, postState, true}))
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, r)
+		require.NoError(t, err)
+		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, true}))
 		require.NoError(t, service.updateJustificationOnBlock(ctx, preState, postState, currStoreJustifiedEpoch))
 		_, err = service.updateFinalizationOnBlock(ctx, preState, postState, currStoreFinalizedEpoch)
 		require.NoError(t, err)
@@ -640,7 +643,9 @@ func TestOnBlock_CanFinalize(t *testing.T) {
 
 func TestOnBlock_NilBlock(t *testing.T) {
 	service, tr := minimalTestService(t)
-	err := service.postBlockProcess(&postBlockProcessConfig{tr.ctx, nil, [32]byte{}, [32]byte{}, nil, true})
+	signed := &consensusblocks.SignedBeaconBlock{}
+	roblock := consensusblocks.ROBlock{ReadOnlySignedBeaconBlock: signed}
+	err := service.postBlockProcess(&postBlockProcessConfig{tr.ctx, roblock, [32]byte{}, nil, true})
 	require.Equal(t, true, IsInvalidBlock(err))
 }
 
@@ -688,7 +693,9 @@ func TestOnBlock_CallNewPayloadAndForkchoiceUpdated(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, r, wsb, postState))
-		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, r, [32]byte{}, postState, false}))
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, r)
+		require.NoError(t, err)
+		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false}))
 		testState, err = service.cfg.StateGen.StateByRoot(ctx, r)
 		require.NoError(t, err)
 	}
@@ -1114,7 +1121,9 @@ func TestOnBlock_ProcessBlocksParallel(t *testing.T) {
 			postState, err := service.validateStateTransition(ctx, preState, wsb1)
 			require.NoError(t, err)
 			lock.Lock()
-			require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb1, r1, [32]byte{}, postState, true}))
+			roblock, err := consensusblocks.NewROBlockWithRoot(wsb1, r1)
+			require.NoError(t, err)
+			require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, true}))
 			lock.Unlock()
 			wg.Done()
 		}()
@@ -1124,7 +1133,9 @@ func TestOnBlock_ProcessBlocksParallel(t *testing.T) {
 			postState, err := service.validateStateTransition(ctx, preState, wsb2)
 			require.NoError(t, err)
 			lock.Lock()
-			require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb2, r2, [32]byte{}, postState, true}))
+			roblock, err := consensusblocks.NewROBlockWithRoot(wsb2, r2)
+			require.NoError(t, err)
+			require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, true}))
 			lock.Unlock()
 			wg.Done()
 		}()
@@ -1134,7 +1145,9 @@ func TestOnBlock_ProcessBlocksParallel(t *testing.T) {
 			postState, err := service.validateStateTransition(ctx, preState, wsb3)
 			require.NoError(t, err)
 			lock.Lock()
-			require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb3, r3, [32]byte{}, postState, true}))
+			roblock, err := consensusblocks.NewROBlockWithRoot(wsb3, r3)
+			require.NoError(t, err)
+			require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, true}))
 			lock.Unlock()
 			wg.Done()
 		}()
@@ -1144,7 +1157,9 @@ func TestOnBlock_ProcessBlocksParallel(t *testing.T) {
 			postState, err := service.validateStateTransition(ctx, preState, wsb4)
 			require.NoError(t, err)
 			lock.Lock()
-			require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb4, r4, [32]byte{}, postState, true}))
+			roblock, err := consensusblocks.NewROBlockWithRoot(wsb4, r4)
+			require.NoError(t, err)
+			require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, true}))
 			lock.Unlock()
 			wg.Done()
 		}()
@@ -1219,7 +1234,9 @@ func TestStore_NoViableHead_FCU(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false}))
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false}))
 	}
 
 	for i := 6; i < 12; i++ {
@@ -1237,7 +1254,9 @@ func TestStore_NoViableHead_FCU(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false})
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false})
 		require.NoError(t, err)
 	}
 
@@ -1256,7 +1275,9 @@ func TestStore_NoViableHead_FCU(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false})
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false})
 		require.NoError(t, err)
 	}
 	// Check that we haven't justified the second epoch yet
@@ -1278,7 +1299,9 @@ func TestStore_NoViableHead_FCU(t *testing.T) {
 	postState, err := service.validateStateTransition(ctx, preState, wsb)
 	require.NoError(t, err)
 	require.NoError(t, service.savePostStateInfo(ctx, firstInvalidRoot, wsb, postState))
-	err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, firstInvalidRoot, [32]byte{}, postState, false})
+	roblock, err := consensusblocks.NewROBlockWithRoot(wsb, firstInvalidRoot)
+	require.NoError(t, err)
+	err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false})
 	require.NoError(t, err)
 	jc = service.cfg.ForkChoiceStore.JustifiedCheckpoint()
 	require.Equal(t, primitives.Epoch(2), jc.Epoch)
@@ -1306,7 +1329,9 @@ func TestStore_NoViableHead_FCU(t *testing.T) {
 	postState, err = service.validateStateTransition(ctx, preState, wsb)
 	require.NoError(t, err)
 	require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-	err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false})
+	roblock, err = consensusblocks.NewROBlockWithRoot(wsb, root)
+	require.NoError(t, err)
+	err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false})
 	require.ErrorContains(t, "received an INVALID payload from execution engine", err)
 	// Check that forkchoice's head is the last invalid block imported. The
 	// store's headroot is the previous head (since the invalid block did
@@ -1335,7 +1360,9 @@ func TestStore_NoViableHead_FCU(t *testing.T) {
 	postState, err = service.validateStateTransition(ctx, preState, wsb)
 	require.NoError(t, err)
 	require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-	err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, true})
+	roblock, err = consensusblocks.NewROBlockWithRoot(wsb, root)
+	require.NoError(t, err)
+	err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, true})
 	require.NoError(t, err)
 	// Check the newly imported block is head, it justified the right
 	// checkpoint and the node is no longer optimistic
@@ -1397,7 +1424,9 @@ func TestStore_NoViableHead_NewPayload(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false}))
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false}))
 	}
 
 	for i := 6; i < 12; i++ {
@@ -1415,7 +1444,9 @@ func TestStore_NoViableHead_NewPayload(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false})
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false})
 		require.NoError(t, err)
 	}
 
@@ -1435,7 +1466,9 @@ func TestStore_NoViableHead_NewPayload(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false})
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false})
 		require.NoError(t, err)
 	}
 	// Check that we haven't justified the second epoch yet
@@ -1457,7 +1490,9 @@ func TestStore_NoViableHead_NewPayload(t *testing.T) {
 	postState, err := service.validateStateTransition(ctx, preState, wsb)
 	require.NoError(t, err)
 	require.NoError(t, service.savePostStateInfo(ctx, firstInvalidRoot, wsb, postState))
-	err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, firstInvalidRoot, [32]byte{}, postState, false})
+	roblock, err := consensusblocks.NewROBlockWithRoot(wsb, firstInvalidRoot)
+	require.NoError(t, err)
+	err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false})
 	require.NoError(t, err)
 	jc = service.cfg.ForkChoiceStore.JustifiedCheckpoint()
 	require.Equal(t, primitives.Epoch(2), jc.Epoch)
@@ -1513,7 +1548,9 @@ func TestStore_NoViableHead_NewPayload(t *testing.T) {
 	postState, err = service.validateStateTransition(ctx, preState, wsb)
 	require.NoError(t, err)
 	require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-	err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, true})
+	roblock, err = consensusblocks.NewROBlockWithRoot(wsb, root)
+	require.NoError(t, err)
+	err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, true})
 	require.NoError(t, err)
 	// Check the newly imported block is head, it justified the right
 	// checkpoint and the node is no longer optimistic
@@ -1578,7 +1615,9 @@ func TestStore_NoViableHead_Liveness(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false}))
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false}))
 	}
 
 	for i := 6; i < 12; i++ {
@@ -1597,7 +1636,9 @@ func TestStore_NoViableHead_Liveness(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false})
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false})
 		require.NoError(t, err)
 	}
 
@@ -1616,7 +1657,9 @@ func TestStore_NoViableHead_Liveness(t *testing.T) {
 	postState, err := service.validateStateTransition(ctx, preState, wsb)
 	require.NoError(t, err)
 	require.NoError(t, service.savePostStateInfo(ctx, lastValidRoot, wsb, postState))
-	err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, lastValidRoot, [32]byte{}, postState, false})
+	roblock, err := consensusblocks.NewROBlockWithRoot(wsb, lastValidRoot)
+	require.NoError(t, err)
+	err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false})
 	require.NoError(t, err)
 	// save the post state and the payload Hash of this block since it will
 	// be the LVH
@@ -1643,7 +1686,9 @@ func TestStore_NoViableHead_Liveness(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, invalidRoots[i-13], wsb, postState))
-		err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, invalidRoots[i-13], [32]byte{}, postState, false})
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, invalidRoots[i-13])
+		require.NoError(t, err)
+		err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false})
 		require.NoError(t, err)
 	}
 	// Check that we have justified the second epoch
@@ -1708,7 +1753,9 @@ func TestStore_NoViableHead_Liveness(t *testing.T) {
 	postState, err = service.validateStateTransition(ctx, preState, wsb)
 	require.NoError(t, err)
 	require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-	require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, true}))
+	roblock, err = consensusblocks.NewROBlockWithRoot(wsb, root)
+	require.NoError(t, err)
+	require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, true}))
 	// Check that the head is still INVALID and the node is still optimistic
 	require.Equal(t, invalidHeadRoot, service.cfg.ForkChoiceStore.CachedHeadRoot())
 	optimistic, err = service.IsOptimistic(ctx)
@@ -1731,7 +1778,9 @@ func TestStore_NoViableHead_Liveness(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, true})
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, true})
 		require.NoError(t, err)
 		st, err = service.cfg.StateGen.StateByRoot(ctx, root)
 		require.NoError(t, err)
@@ -1757,7 +1806,9 @@ func TestStore_NoViableHead_Liveness(t *testing.T) {
 	postState, err = service.validateStateTransition(ctx, preState, wsb)
 	require.NoError(t, err)
 	require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-	err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, true})
+	roblock, err = consensusblocks.NewROBlockWithRoot(wsb, root)
+	require.NoError(t, err)
+	err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, true})
 	require.NoError(t, err)
 	require.Equal(t, root, service.cfg.ForkChoiceStore.CachedHeadRoot())
 	sjc = service.CurrentJustifiedCheckpt()
@@ -1813,7 +1864,9 @@ func TestNoViableHead_Reboot(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false}))
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false}))
 	}
 
 	for i := 6; i < 12; i++ {
@@ -1831,7 +1884,9 @@ func TestNoViableHead_Reboot(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false})
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false})
 		require.NoError(t, err)
 	}
 
@@ -1850,7 +1905,9 @@ func TestNoViableHead_Reboot(t *testing.T) {
 	postState, err := service.validateStateTransition(ctx, preState, wsb)
 	require.NoError(t, err)
 	require.NoError(t, service.savePostStateInfo(ctx, lastValidRoot, wsb, postState))
-	err = service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, lastValidRoot, [32]byte{}, postState, false})
+	roblock, err := consensusblocks.NewROBlockWithRoot(wsb, lastValidRoot)
+	require.NoError(t, err)
+	err = service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false})
 	require.NoError(t, err)
 	// save the post state and the payload Hash of this block since it will
 	// be the LVH
@@ -1879,7 +1936,9 @@ func TestNoViableHead_Reboot(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false}))
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false}))
 		require.NoError(t, service.updateJustificationOnBlock(ctx, preState, postState, currStoreJustifiedEpoch))
 		_, err = service.updateFinalizationOnBlock(ctx, preState, postState, currStoreFinalizedEpoch)
 		require.NoError(t, err)
@@ -1995,7 +2054,9 @@ func TestOnBlock_HandleBlockAttestations(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false}))
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false}))
 
 		st, err = service.HeadState(ctx)
 		require.NoError(t, err)
@@ -2059,7 +2120,9 @@ func TestOnBlock_HandleBlockAttestations(t *testing.T) {
 		postState, err := service.validateStateTransition(ctx, preState, wsb)
 		require.NoError(t, err)
 		require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
-		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, root, [32]byte{}, postState, false}))
+		roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+		require.NoError(t, err)
+		require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false}))
 
 		st, err = service.HeadState(ctx)
 		require.NoError(t, err)
@@ -2209,11 +2272,11 @@ func Test_getFCUArgs(t *testing.T) {
 	require.NoError(t, err)
 	wsb, err := consensusblocks.NewSignedBeaconBlock(b)
 	require.NoError(t, err)
-
+	roblock, err := consensusblocks.NewROBlockWithRoot(wsb, [32]byte{'a'})
+	require.NoError(t, err)
 	cfg := &postBlockProcessConfig{
 		ctx:            ctx,
-		signed:         wsb,
-		blockRoot:      [32]byte{'a'},
+		roblock:        roblock,
 		postState:      st,
 		isValidPayload: true,
 	}
@@ -2223,11 +2286,64 @@ func Test_getFCUArgs(t *testing.T) {
 	require.ErrorContains(t, "block does not exist", err)
 
 	// canonical branch
-	cfg.headRoot = cfg.blockRoot
+	cfg.headRoot = cfg.roblock.Root()
 	fcuArgs = &fcuConfig{}
 	err = s.getFCUArgs(cfg, fcuArgs)
 	require.NoError(t, err)
-	require.Equal(t, cfg.blockRoot, fcuArgs.headRoot)
+	require.Equal(t, cfg.roblock.Root(), fcuArgs.headRoot)
+}
+
+func TestRollbackBlock(t *testing.T) {
+	service, tr := minimalTestService(t)
+	ctx := tr.ctx
+
+	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)
+	preState, err := service.getBlockPreState(ctx, wsb.Block())
+	require.NoError(t, err)
+	postState, err := service.validateStateTransition(ctx, preState, wsb)
+	require.NoError(t, err)
+	require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
+
+	require.Equal(t, true, service.cfg.BeaconDB.HasBlock(ctx, root))
+	hasState, err := service.cfg.StateGen.HasState(ctx, root)
+	require.NoError(t, err)
+	require.Equal(t, true, hasState)
+
+	// Set invalid parent root to trigger forkchoice error.
+	wsb.SetParentRoot([]byte("bad"))
+	roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
+	require.NoError(t, err)
+
+	// Rollback block insertion into db and caches.
+	require.ErrorContains(t, fmt.Sprintf("could not insert block %d to fork choice store", roblock.Block().Slot()), service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false}))
+
+	// The block should no longer exist.
+	require.Equal(t, false, service.cfg.BeaconDB.HasBlock(ctx, root))
+	hasState, err = service.cfg.StateGen.HasState(ctx, root)
+	require.NoError(t, err)
+	require.Equal(t, false, hasState)
 }
 
 func fakeCommitments(n int) [][]byte {

beacon-chain/blockchain/receive_attestation_test.go

@@ -10,6 +10,7 @@ import (
 	forkchoicetypes "github.com/prysmaticlabs/prysm/v5/beacon-chain/forkchoice/types"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
+	consensus_blocks "github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
@@ -46,7 +47,7 @@ func TestVerifyLMDFFGConsistent(t *testing.T) {
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, state, r32))
 
-	state, r33, err := prepareForkchoiceState(ctx, 33, [32]byte{'b'}, r32, params.BeaconConfig().ZeroHash, fc, fc)
+	state, r33, err := prepareForkchoiceState(ctx, 33, [32]byte{'b'}, r32.Root(), params.BeaconConfig().ZeroHash, fc, fc)
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, state, r33))
 
@@ -54,10 +55,12 @@ func TestVerifyLMDFFGConsistent(t *testing.T) {
 	a := util.NewAttestation()
 	a.Data.Target.Epoch = 1
 	a.Data.Target.Root = []byte{'c'}
-	a.Data.BeaconBlockRoot = r33[:]
+	r33Root := r33.Root()
+	a.Data.BeaconBlockRoot = r33Root[:]
 	require.ErrorContains(t, wanted, service.VerifyLmdFfgConsistency(context.Background(), a))
 
-	a.Data.Target.Root = r32[:]
+	r32Root := r32.Root()
+	a.Data.Target.Root = r32Root[:]
 	err = service.VerifyLmdFfgConsistency(context.Background(), a)
 	require.NoError(t, err, "Could not verify LMD and FFG votes to be consistent")
 }
@@ -116,7 +119,9 @@ func TestService_ProcessAttestationsAndUpdateHead(t *testing.T) {
 	postState, err := service.validateStateTransition(ctx, preState, wsb)
 	require.NoError(t, err)
 	require.NoError(t, service.savePostStateInfo(ctx, tRoot, wsb, postState))
-	require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, tRoot, [32]byte{}, postState, false}))
+	roblock, err := consensus_blocks.NewROBlockWithRoot(wsb, tRoot)
+	require.NoError(t, err)
+	require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false}))
 	copied, err = service.cfg.StateGen.StateByRoot(ctx, tRoot)
 	require.NoError(t, err)
 	require.Equal(t, 2, fcs.NodeCount())
@@ -176,7 +181,9 @@ func TestService_UpdateHead_NoAtts(t *testing.T) {
 	postState, err := service.validateStateTransition(ctx, preState, wsb)
 	require.NoError(t, err)
 	require.NoError(t, service.savePostStateInfo(ctx, tRoot, wsb, postState))
-	require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, tRoot, [32]byte{}, postState, false}))
+	roblock, err := consensus_blocks.NewROBlockWithRoot(wsb, tRoot)
+	require.NoError(t, err)
+	require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false}))
 	require.Equal(t, 2, fcs.NodeCount())
 	require.NoError(t, service.cfg.BeaconDB.SaveBlock(ctx, wsb))
 	require.Equal(t, tRoot, service.head.root)

beacon-chain/blockchain/receive_block.go

@@ -17,6 +17,7 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/state"
 	"github.com/prysmaticlabs/prysm/v5/config/features"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
+	consensus_blocks "github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/interfaces"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
@@ -100,10 +101,13 @@ func (s *Service) ReceiveBlock(ctx context.Context, block interfaces.ReadOnlySig
 	if err := s.savePostStateInfo(ctx, blockRoot, blockCopy, postState); err != nil {
 		return errors.Wrap(err, "could not save post state info")
 	}
+	roblock, err := consensus_blocks.NewROBlockWithRoot(blockCopy, blockRoot)
+	if err != nil {
+		return err
+	}
 	args := &postBlockProcessConfig{
 		ctx:            ctx,
-		signed:         blockCopy,
-		blockRoot:      blockRoot,
+		roblock:        roblock,
 		postState:      postState,
 		isValidPayload: isValidPayload,
 	}
@@ -273,7 +277,6 @@ func (s *Service) reportPostBlockProcessing(
 func (s *Service) executePostFinalizationTasks(ctx context.Context, finalizedState state.BeaconState) {
 	finalized := s.cfg.ForkChoiceStore.FinalizedCheckpoint()
 	go func() {
-		finalizedState.SaveValidatorIndices() // used to handle Validator index invariant from EIP6110
 		s.sendNewFinalizedEvent(ctx, finalizedState)
 	}()
 	depCtx, cancel := context.WithTimeout(context.Background(), depositDeadline)
@@ -350,6 +353,9 @@ func (s *Service) ReceiveBlockBatch(ctx context.Context, blocks []blocks.ROBlock
 
 // HasBlock returns true if the block of the input root exists in initial sync blocks cache or DB.
 func (s *Service) HasBlock(ctx context.Context, root [32]byte) bool {
+	if s.BlockBeingSynced(root) {
+		return false
+	}
 	return s.hasBlockInInitSyncOrDB(ctx, root)
 }
 

beacon-chain/blockchain/receive_block_test.go

@@ -278,6 +278,8 @@ func TestService_HasBlock(t *testing.T) {
 	r, err = b.Block.HashTreeRoot()
 	require.NoError(t, err)
 	require.Equal(t, true, s.HasBlock(context.Background(), r))
+	s.blockBeingSynced.set(r)
+	require.Equal(t, false, s.HasBlock(context.Background(), r))
 }
 
 func TestCheckSaveHotStateDB_Enabling(t *testing.T) {

beacon-chain/blockchain/service.go

@@ -36,6 +36,7 @@ import (
 	fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
+	consensus_blocks "github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/interfaces"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
@@ -303,7 +304,15 @@ func (s *Service) StartFromSavedState(saved state.BeaconState) error {
 	if err != nil {
 		return errors.Wrap(err, "could not get finalized checkpoint state")
 	}
-	if err := s.cfg.ForkChoiceStore.InsertNode(s.ctx, st, fRoot); err != nil {
+	finalizedBlock, err := s.cfg.BeaconDB.Block(s.ctx, fRoot)
+	if err != nil {
+		return errors.Wrap(err, "could not get finalized checkpoint block")
+	}
+	roblock, err := consensus_blocks.NewROBlockWithRoot(finalizedBlock, fRoot)
+	if err != nil {
+		return err
+	}
+	if err := s.cfg.ForkChoiceStore.InsertNode(s.ctx, st, roblock); err != nil {
 		return errors.Wrap(err, "could not insert finalized block to forkchoice")
 	}
 	if !features.Get().EnableStartOptimistic {
@@ -329,8 +338,6 @@ func (s *Service) StartFromSavedState(saved state.BeaconState) error {
 		return errors.Wrap(err, "failed to initialize blockchain service")
 	}
 
-	saved.SaveValidatorIndices() // used to handle Validator index invariant from EIP6110
-
 	return nil
 }
 
@@ -517,7 +524,11 @@ func (s *Service) saveGenesisData(ctx context.Context, genesisState state.Beacon
 
 	s.cfg.ForkChoiceStore.Lock()
 	defer s.cfg.ForkChoiceStore.Unlock()
-	if err := s.cfg.ForkChoiceStore.InsertNode(ctx, genesisState, genesisBlkRoot); err != nil {
+	gb, err := consensus_blocks.NewROBlockWithRoot(genesisBlk, genesisBlkRoot)
+	if err != nil {
+		return err
+	}
+	if err := s.cfg.ForkChoiceStore.InsertNode(ctx, genesisState, gb); err != nil {
 		log.WithError(err).Fatal("Could not process genesis block for fork choice")
 	}
 	s.cfg.ForkChoiceStore.SetOriginRoot(genesisBlkRoot)

beacon-chain/blockchain/service_test.go

@@ -376,11 +376,15 @@ func TestHasBlock_ForkChoiceAndDB_DoublyLinkedTree(t *testing.T) {
 		cfg: &config{ForkChoiceStore: doublylinkedtree.New(), BeaconDB: beaconDB},
 	}
 	b := util.NewBeaconBlock()
+	wsb, err := consensusblocks.NewSignedBeaconBlock(b)
+	require.NoError(t, err)
 	r, err := b.Block.HashTreeRoot()
 	require.NoError(t, err)
+	roblock, err := consensusblocks.NewROBlockWithRoot(wsb, r)
+	require.NoError(t, err)
 	beaconState, err := util.NewBeaconState()
 	require.NoError(t, err)
-	require.NoError(t, s.cfg.ForkChoiceStore.InsertNode(ctx, beaconState, r))
+	require.NoError(t, s.cfg.ForkChoiceStore.InsertNode(ctx, beaconState, roblock))
 
 	assert.Equal(t, false, s.hasBlock(ctx, [32]byte{}), "Should not have block")
 	assert.Equal(t, true, s.hasBlock(ctx, r), "Should have block")
@@ -453,7 +457,11 @@ func BenchmarkHasBlockForkChoiceStore_DoublyLinkedTree(b *testing.B) {
 	require.NoError(b, err)
 	beaconState, err := util.NewBeaconState()
 	require.NoError(b, err)
-	require.NoError(b, s.cfg.ForkChoiceStore.InsertNode(ctx, beaconState, r))
+	wsb, err := consensusblocks.NewSignedBeaconBlock(blk)
+	require.NoError(b, err)
+	roblock, err := consensusblocks.NewROBlockWithRoot(wsb, r)
+	require.NoError(b, err)
+	require.NoError(b, s.cfg.ForkChoiceStore.InsertNode(ctx, beaconState, roblock))
 
 	b.ResetTimer()
 	for i := 0; i < b.N; i++ {

beacon-chain/blockchain/setup_test.go

@@ -32,7 +32,7 @@ type mockBeaconNode struct {
 }
 
 // StateFeed mocks the same method in the beacon node.
-func (mbn *mockBeaconNode) StateFeed() *event.Feed {
+func (mbn *mockBeaconNode) StateFeed() event.SubscriberSender {
 	mbn.mu.Lock()
 	defer mbn.mu.Unlock()
 	if mbn.stateFeed == nil {

beacon-chain/blockchain/testing/mock.go

@@ -98,6 +98,44 @@ func (s *ChainService) BlockNotifier() blockfeed.Notifier {
 	return s.blockNotifier
 }
 
+type EventFeedWrapper struct {
+	feed       *event.Feed
+	subscribed chan struct{} // this channel is closed once a subscription is made
+}
+
+func (w *EventFeedWrapper) Subscribe(channel interface{}) event.Subscription {
+	select {
+	case <-w.subscribed:
+		break // already closed
+	default:
+		close(w.subscribed)
+	}
+	return w.feed.Subscribe(channel)
+}
+
+func (w *EventFeedWrapper) Send(value interface{}) int {
+	return w.feed.Send(value)
+}
+
+// WaitForSubscription allows test to wait for the feed to have a subscription before beginning to send events.
+func (w *EventFeedWrapper) WaitForSubscription(ctx context.Context) error {
+	select {
+	case <-w.subscribed:
+		return nil
+	case <-ctx.Done():
+		return ctx.Err()
+	}
+}
+
+var _ event.SubscriberSender = &EventFeedWrapper{}
+
+func NewEventFeedWrapper() *EventFeedWrapper {
+	return &EventFeedWrapper{
+		feed:       new(event.Feed),
+		subscribed: make(chan struct{}),
+	}
+}
+
 // MockBlockNotifier mocks the block notifier.
 type MockBlockNotifier struct {
 	feed *event.Feed
@@ -131,7 +169,7 @@ func (msn *MockStateNotifier) ReceivedEvents() []*feed.Event {
 }
 
 // StateFeed returns a state feed.
-func (msn *MockStateNotifier) StateFeed() *event.Feed {
+func (msn *MockStateNotifier) StateFeed() event.SubscriberSender {
 	msn.feedLock.Lock()
 	defer msn.feedLock.Unlock()
 
@@ -159,6 +197,23 @@ func (msn *MockStateNotifier) StateFeed() *event.Feed {
 	return msn.feed
 }
 
+// NewSimpleStateNotifier makes a state feed without the custom mock feed machinery.
+func NewSimpleStateNotifier() *MockStateNotifier {
+	return &MockStateNotifier{feed: new(event.Feed)}
+}
+
+type SimpleNotifier struct {
+	Feed event.SubscriberSender
+}
+
+func (n *SimpleNotifier) StateFeed() event.SubscriberSender {
+	return n.Feed
+}
+
+func (n *SimpleNotifier) OperationFeed() event.SubscriberSender {
+	return n.Feed
+}
+
 // OperationNotifier mocks the same method in the chain service.
 func (s *ChainService) OperationNotifier() opfeed.Notifier {
 	if s.opNotifier == nil {
@@ -173,7 +228,7 @@ type MockOperationNotifier struct {
 }
 
 // OperationFeed returns an operation feed.
-func (mon *MockOperationNotifier) OperationFeed() *event.Feed {
+func (mon *MockOperationNotifier) OperationFeed() event.SubscriberSender {
 	if mon.feed == nil {
 		mon.feed = new(event.Feed)
 	}
@@ -512,7 +567,7 @@ func prepareForkchoiceState(
 	payloadHash [32]byte,
 	justified *ethpb.Checkpoint,
 	finalized *ethpb.Checkpoint,
-) (state.BeaconState, [32]byte, error) {
+) (state.BeaconState, blocks.ROBlock, error) {
 	blockHeader := &ethpb.BeaconBlockHeader{
 		ParentRoot: parentRoot[:],
 	}
@@ -533,7 +588,26 @@ func prepareForkchoiceState(
 
 	base.BlockRoots[0] = append(base.BlockRoots[0], blockRoot[:]...)
 	st, err := state_native.InitializeFromProtoBellatrix(base)
-	return st, blockRoot, err
+	if err != nil {
+		return nil, blocks.ROBlock{}, err
+	}
+	blk := &ethpb.SignedBeaconBlockBellatrix{
+		Block: &ethpb.BeaconBlockBellatrix{
+			Slot:       slot,
+			ParentRoot: parentRoot[:],
+			Body: &ethpb.BeaconBlockBodyBellatrix{
+				ExecutionPayload: &enginev1.ExecutionPayload{
+					BlockHash: payloadHash[:],
+				},
+			},
+		},
+	}
+	signed, err := blocks.NewSignedBeaconBlock(blk)
+	if err != nil {
+		return nil, blocks.ROBlock{}, err
+	}
+	roblock, err := blocks.NewROBlockWithRoot(signed, blockRoot)
+	return st, roblock, err
 }
 
 // CachedHeadRoot mocks the same method in the chain service
@@ -576,9 +650,9 @@ func (s *ChainService) HighestReceivedBlockSlot() primitives.Slot {
 }
 
 // InsertNode mocks the same method in the chain service
-func (s *ChainService) InsertNode(ctx context.Context, st state.BeaconState, root [32]byte) error {
+func (s *ChainService) InsertNode(ctx context.Context, st state.BeaconState, block blocks.ROBlock) error {
 	if s.ForkChoiceStore != nil {
-		return s.ForkChoiceStore.InsertNode(ctx, st, root)
+		return s.ForkChoiceStore.InsertNode(ctx, st, block)
 	}
 	return nil
 }

beacon-chain/builder/BUILD.bazel

@@ -19,6 +19,7 @@ go_library(
         "//consensus-types/primitives:go_default_library",
         "//encoding/bytesutil:go_default_library",
         "//monitoring/tracing:go_default_library",
+        "//monitoring/tracing/trace:go_default_library",
         "//proto/engine/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
@@ -26,7 +27,6 @@ go_library(
         "@com_github_prometheus_client_golang//prometheus/promauto:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
         "@com_github_urfave_cli_v2//:go_default_library",
-        "@io_opencensus_go//trace:go_default_library",
     ],
 )
 

beacon-chain/builder/service.go

@@ -14,10 +14,10 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
 	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing"
+	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 	v1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 	log "github.com/sirupsen/logrus"
-	"go.opencensus.io/trace"
 )
 
 // ErrNoBuilder is used when builder endpoint is not configured.

beacon-chain/cache/BUILD.bazel

@@ -46,6 +46,7 @@ go_library(
         "//crypto/rand:go_default_library",
         "//encoding/bytesutil:go_default_library",
         "//math:go_default_library",
+        "//monitoring/tracing/trace:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "//runtime/version:go_default_library",
         "@com_github_ethereum_go_ethereum//common:go_default_library",
@@ -56,7 +57,6 @@ go_library(
         "@com_github_prometheus_client_golang//prometheus/promauto:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
         "@io_k8s_client_go//tools/cache:go_default_library",
-        "@io_opencensus_go//trace:go_default_library",
     ],
 )
 

beacon-chain/cache/common.go

@@ -17,6 +17,6 @@ func trim(queue *cache.FIFO, maxSize uint64) {
 }
 
 // popProcessNoopFunc is a no-op function that never returns an error.
-func popProcessNoopFunc(_ interface{}) error {
+func popProcessNoopFunc(_ interface{}, _ bool) error {
 	return nil
 }

beacon-chain/cache/depositsnapshot/BUILD.bazel

@@ -19,6 +19,7 @@ go_library(
         "//crypto/hash:go_default_library",
         "//encoding/bytesutil:go_default_library",
         "//math:go_default_library",
+        "//monitoring/tracing/trace:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "@com_github_ethereum_go_ethereum//common:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
@@ -26,7 +27,6 @@ go_library(
         "@com_github_prometheus_client_golang//prometheus/promauto:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
         "@com_github_wealdtech_go_bytesutil//:go_default_library",
-        "@io_opencensus_go//trace:go_default_library",
     ],
 )
 

beacon-chain/cache/depositsnapshot/deposit_fetcher.go

@@ -10,10 +10,10 @@ import (
 	"github.com/prometheus/client_golang/prometheus/promauto"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/cache"
 	fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
+	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 	"github.com/sirupsen/logrus"
 	"github.com/wealdtech/go-bytesutil"
-	"go.opencensus.io/trace"
 )
 
 var (
@@ -241,7 +241,7 @@ func (c *Cache) InsertPendingDeposit(ctx context.Context, d *ethpb.Deposit, bloc
 	c.pendingDeposits = append(c.pendingDeposits,
 		&ethpb.DepositContainer{Deposit: d, Eth1BlockHeight: blockNum, Index: index, DepositRoot: depositRoot[:]})
 	pendingDepositsCount.Set(float64(len(c.pendingDeposits)))
-	span.AddAttributes(trace.Int64Attribute("count", int64(len(c.pendingDeposits))))
+	span.SetAttributes(trace.Int64Attribute("count", int64(len(c.pendingDeposits))))
 }
 
 // Deposits returns the cached internal deposit tree.
@@ -304,7 +304,7 @@ func (c *Cache) PendingContainers(ctx context.Context, untilBlk *big.Int) []*eth
 		return depositCntrs[i].Index < depositCntrs[j].Index
 	})
 
-	span.AddAttributes(trace.Int64Attribute("count", int64(len(depositCntrs))))
+	span.SetAttributes(trace.Int64Attribute("count", int64(len(depositCntrs))))
 
 	return depositCntrs
 }

beacon-chain/cache/depositsnapshot/deposit_inserter.go

@@ -10,9 +10,9 @@ import (
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
+	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 	"github.com/sirupsen/logrus"
-	"go.opencensus.io/trace"
 )
 
 var (

beacon-chain/cache/registration.go

@@ -7,8 +7,8 @@ import (
 	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
+	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
-	"go.opencensus.io/trace"
 )
 
 // RegistrationCache is used to store the cached results of an Validator Registration request.

beacon-chain/cache/skip_slot_cache.go

@@ -11,7 +11,7 @@ import (
 	"github.com/prometheus/client_golang/prometheus/promauto"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/state"
 	lruwrpr "github.com/prysmaticlabs/prysm/v5/cache/lru"
-	"go.opencensus.io/trace"
+	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 )
 
 var (
@@ -92,17 +92,17 @@ func (c *SkipSlotCache) Get(ctx context.Context, r [32]byte) (state.BeaconState,
 		delay *= delayFactor
 		delay = math.Min(delay, maxDelay)
 	}
-	span.AddAttributes(trace.BoolAttribute("inProgress", inProgress))
+	span.SetAttributes(trace.BoolAttribute("inProgress", inProgress))
 
 	item, exists := c.cache.Get(r)
 
 	if exists && item != nil {
 		skipSlotCacheHit.Inc()
-		span.AddAttributes(trace.BoolAttribute("hit", true))
+		span.SetAttributes(trace.BoolAttribute("hit", true))
 		return item.(state.BeaconState).Copy(), nil
 	}
 	skipSlotCacheMiss.Inc()
-	span.AddAttributes(trace.BoolAttribute("hit", false))
+	span.SetAttributes(trace.BoolAttribute("hit", false))
 	return nil, nil
 }
 

beacon-chain/core/altair/deposit.go

@@ -37,7 +37,7 @@ func ProcessDeposits(
 	beaconState state.BeaconState,
 	deposits []*ethpb.Deposit,
 ) (state.BeaconState, error) {
-	batchVerified, err := blocks.BatchVerifyDepositsSignatures(ctx, deposits)
+	allSignaturesVerified, err := blocks.BatchVerifyDepositsSignatures(ctx, deposits)
 	if err != nil {
 		return nil, err
 	}
@@ -46,7 +46,7 @@ func ProcessDeposits(
 		if deposit == nil || deposit.Data == nil {
 			return nil, errors.New("got a nil deposit in block")
 		}
-		beaconState, err = ProcessDeposit(beaconState, deposit, batchVerified)
+		beaconState, err = ProcessDeposit(beaconState, deposit, allSignaturesVerified)
 		if err != nil {
 			return nil, errors.Wrapf(err, "could not process deposit from %#x", bytesutil.Trunc(deposit.Data.PublicKey))
 		}
@@ -81,7 +81,7 @@ func ProcessDeposits(
 //	  amount=deposit.data.amount,
 //	  signature=deposit.data.signature,
 //	 )
-func ProcessDeposit(beaconState state.BeaconState, deposit *ethpb.Deposit, verifySignature bool) (state.BeaconState, error) {
+func ProcessDeposit(beaconState state.BeaconState, deposit *ethpb.Deposit, allSignaturesVerified bool) (state.BeaconState, error) {
 	if err := blocks.VerifyDeposit(beaconState, deposit); err != nil {
 		if deposit == nil || deposit.Data == nil {
 			return nil, err
@@ -92,7 +92,7 @@ func ProcessDeposit(beaconState state.BeaconState, deposit *ethpb.Deposit, verif
 		return nil, err
 	}
 
-	return ApplyDeposit(beaconState, deposit.Data, verifySignature)
+	return ApplyDeposit(beaconState, deposit.Data, allSignaturesVerified)
 }
 
 // ApplyDeposit
@@ -115,13 +115,13 @@ func ProcessDeposit(beaconState state.BeaconState, deposit *ethpb.Deposit, verif
 //	    # Increase balance by deposit amount
 //	    index = ValidatorIndex(validator_pubkeys.index(pubkey))
 //	    increase_balance(state, index, amount)
-func ApplyDeposit(beaconState state.BeaconState, data *ethpb.Deposit_Data, verifySignature bool) (state.BeaconState, error) {
+func ApplyDeposit(beaconState state.BeaconState, data *ethpb.Deposit_Data, allSignaturesVerified bool) (state.BeaconState, error) {
 	pubKey := data.PublicKey
 	amount := data.Amount
 	withdrawalCredentials := data.WithdrawalCredentials
 	index, ok := beaconState.ValidatorIndexByPubkey(bytesutil.ToBytes48(pubKey))
 	if !ok {
-		if verifySignature {
+		if !allSignaturesVerified {
 			valid, err := blocks.IsValidDepositSignature(data)
 			if err != nil {
 				return nil, err

beacon-chain/core/altair/deposit_test.go

@@ -199,7 +199,7 @@ func TestProcessDeposit_SkipsInvalidDeposit(t *testing.T) {
 		},
 	})
 	require.NoError(t, err)
-	newState, err := altair.ProcessDeposit(beaconState, dep[0], true)
+	newState, err := altair.ProcessDeposit(beaconState, dep[0], false)
 	require.NoError(t, err, "Expected invalid block deposit to be ignored without error")
 
 	if newState.Eth1DepositIndex() != 1 {

beacon-chain/core/blocks/deposit.go

@@ -55,12 +55,26 @@ func BatchVerifyDepositsSignatures(ctx context.Context, deposits []*ethpb.Deposi
 		return false, err
 	}
 
-	verified := false
 	if err := verifyDepositDataWithDomain(ctx, deposits, domain); err != nil {
 		log.WithError(err).Debug("Failed to batch verify deposits signatures, will try individual verify")
-		verified = true
+		return false, nil
 	}
-	return verified, nil
+	return true, nil
+}
+
+// BatchVerifyPendingDepositsSignatures batch verifies pending deposit signatures.
+func BatchVerifyPendingDepositsSignatures(ctx context.Context, deposits []*ethpb.PendingDeposit) (bool, error) {
+	var err error
+	domain, err := signing.ComputeDomain(params.BeaconConfig().DomainDeposit, nil, nil)
+	if err != nil {
+		return false, err
+	}
+
+	if err := verifyPendingDepositDataWithDomain(ctx, deposits, domain); err != nil {
+		log.WithError(err).Debug("Failed to batch verify deposits signatures, will try individual verify")
+		return false, nil
+	}
+	return true, nil
 }
 
 // IsValidDepositSignature returns whether deposit_data is valid
@@ -159,3 +173,44 @@ func verifyDepositDataWithDomain(ctx context.Context, deps []*ethpb.Deposit, dom
 	}
 	return nil
 }
+
+func verifyPendingDepositDataWithDomain(ctx context.Context, deps []*ethpb.PendingDeposit, domain []byte) error {
+	if len(deps) == 0 {
+		return nil
+	}
+	pks := make([]bls.PublicKey, len(deps))
+	sigs := make([][]byte, len(deps))
+	msgs := make([][32]byte, len(deps))
+	for i, dep := range deps {
+		if ctx.Err() != nil {
+			return ctx.Err()
+		}
+		if dep == nil {
+			return errors.New("nil deposit")
+		}
+		dpk, err := bls.PublicKeyFromBytes(dep.PublicKey)
+		if err != nil {
+			return err
+		}
+		pks[i] = dpk
+		sigs[i] = dep.Signature
+		depositMessage := &ethpb.DepositMessage{
+			PublicKey:             dep.PublicKey,
+			WithdrawalCredentials: dep.WithdrawalCredentials,
+			Amount:                dep.Amount,
+		}
+		sr, err := signing.ComputeSigningRoot(depositMessage, domain)
+		if err != nil {
+			return err
+		}
+		msgs[i] = sr
+	}
+	verify, err := bls.VerifyMultipleSignatures(sigs, msgs, pks)
+	if err != nil {
+		return errors.Errorf("could not verify multiple signatures: %v", err)
+	}
+	if !verify {
+		return errors.New("one or more deposit signatures did not verify")
+	}
+	return nil
+}

beacon-chain/core/blocks/deposit_test.go

@@ -17,6 +17,41 @@ import (
 )
 
 func TestBatchVerifyDepositsSignatures_Ok(t *testing.T) {
+	sk, err := bls.RandKey()
+	require.NoError(t, err)
+	domain, err := signing.ComputeDomain(params.BeaconConfig().DomainDeposit, nil, nil)
+	require.NoError(t, err)
+	deposit := &ethpb.Deposit{
+		Data: &ethpb.Deposit_Data{
+			PublicKey:             sk.PublicKey().Marshal(),
+			WithdrawalCredentials: make([]byte, 32),
+			Amount:                3000,
+		},
+	}
+	sr, err := signing.ComputeSigningRoot(&ethpb.DepositMessage{
+		PublicKey:             deposit.Data.PublicKey,
+		WithdrawalCredentials: deposit.Data.WithdrawalCredentials,
+		Amount:                3000,
+	}, domain)
+	require.NoError(t, err)
+	sig := sk.Sign(sr[:])
+	deposit.Data.Signature = sig.Marshal()
+	leaf, err := deposit.Data.HashTreeRoot()
+	require.NoError(t, err)
+	// We then create a merkle branch for the test.
+	depositTrie, err := trie.GenerateTrieFromItems([][]byte{leaf[:]}, params.BeaconConfig().DepositContractTreeDepth)
+	require.NoError(t, err, "Could not generate trie")
+	proof, err := depositTrie.MerkleProof(0)
+	require.NoError(t, err, "Could not generate proof")
+
+	deposit.Proof = proof
+	require.NoError(t, err)
+	verified, err := blocks.BatchVerifyDepositsSignatures(context.Background(), []*ethpb.Deposit{deposit})
+	require.NoError(t, err)
+	require.Equal(t, true, verified)
+}
+
+func TestBatchVerifyDepositsSignatures_InvalidSignature(t *testing.T) {
 	deposit := &ethpb.Deposit{
 		Data: &ethpb.Deposit_Data{
 			PublicKey:             bytesutil.PadTo([]byte{1, 2, 3}, 48),
@@ -34,9 +69,9 @@ func TestBatchVerifyDepositsSignatures_Ok(t *testing.T) {
 
 	deposit.Proof = proof
 	require.NoError(t, err)
-	ok, err := blocks.BatchVerifyDepositsSignatures(context.Background(), []*ethpb.Deposit{deposit})
+	verified, err := blocks.BatchVerifyDepositsSignatures(context.Background(), []*ethpb.Deposit{deposit})
 	require.NoError(t, err)
-	require.Equal(t, true, ok)
+	require.Equal(t, false, verified)
 }
 
 func TestVerifyDeposit_MerkleBranchFailsVerification(t *testing.T) {
@@ -93,3 +128,54 @@ func TestIsValidDepositSignature_Ok(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, true, valid)
 }
+
+func TestBatchVerifyPendingDepositsSignatures_Ok(t *testing.T) {
+	sk, err := bls.RandKey()
+	require.NoError(t, err)
+	domain, err := signing.ComputeDomain(params.BeaconConfig().DomainDeposit, nil, nil)
+	require.NoError(t, err)
+	pendingDeposit := &ethpb.PendingDeposit{
+		PublicKey:             sk.PublicKey().Marshal(),
+		WithdrawalCredentials: make([]byte, 32),
+		Amount:                3000,
+	}
+	sr, err := signing.ComputeSigningRoot(&ethpb.DepositMessage{
+		PublicKey:             pendingDeposit.PublicKey,
+		WithdrawalCredentials: pendingDeposit.WithdrawalCredentials,
+		Amount:                3000,
+	}, domain)
+	require.NoError(t, err)
+	sig := sk.Sign(sr[:])
+	pendingDeposit.Signature = sig.Marshal()
+
+	sk2, err := bls.RandKey()
+	require.NoError(t, err)
+	pendingDeposit2 := &ethpb.PendingDeposit{
+		PublicKey:             sk2.PublicKey().Marshal(),
+		WithdrawalCredentials: make([]byte, 32),
+		Amount:                4000,
+	}
+	sr2, err := signing.ComputeSigningRoot(&ethpb.DepositMessage{
+		PublicKey:             pendingDeposit2.PublicKey,
+		WithdrawalCredentials: pendingDeposit2.WithdrawalCredentials,
+		Amount:                4000,
+	}, domain)
+	require.NoError(t, err)
+	sig2 := sk2.Sign(sr2[:])
+	pendingDeposit2.Signature = sig2.Marshal()
+
+	verified, err := blocks.BatchVerifyPendingDepositsSignatures(context.Background(), []*ethpb.PendingDeposit{pendingDeposit, pendingDeposit2})
+	require.NoError(t, err)
+	require.Equal(t, true, verified)
+}
+
+func TestBatchVerifyPendingDepositsSignatures_InvalidSignature(t *testing.T) {
+	pendingDeposit := &ethpb.PendingDeposit{
+		PublicKey:             bytesutil.PadTo([]byte{1, 2, 3}, 48),
+		WithdrawalCredentials: make([]byte, 32),
+		Signature:             make([]byte, 96),
+	}
+	verified, err := blocks.BatchVerifyPendingDepositsSignatures(context.Background(), []*ethpb.PendingDeposit{pendingDeposit})
+	require.NoError(t, err)
+	require.Equal(t, false, verified)
+}

beacon-chain/core/blocks/genesis.go

@@ -213,6 +213,11 @@ func NewGenesisBlockForState(ctx context.Context, st state.BeaconState) (interfa
 					},
 					BlsToExecutionChanges: make([]*ethpb.SignedBLSToExecutionChange, 0),
 					BlobKzgCommitments:    make([][]byte, 0),
+					ExecutionRequests: &enginev1.ExecutionRequests{
+						Withdrawals:    make([]*enginev1.WithdrawalRequest, 0),
+						Deposits:       make([]*enginev1.DepositRequest, 0),
+						Consolidations: make([]*enginev1.ConsolidationRequest, 0),
+					},
 				},
 			},
 			Signature: params.BeaconConfig().EmptySignature[:],

beacon-chain/core/blocks/withdrawals.go

@@ -120,35 +120,36 @@ func ValidateBLSToExecutionChange(st state.ReadOnlyBeaconState, signed *ethpb.Si
 //
 // Spec pseudocode definition:
 //
-//	def process_withdrawals(state: BeaconState, payload: ExecutionPayload) -> None:
-//	    expected_withdrawals, partial_withdrawals_count = get_expected_withdrawals(state)  # [Modified in Electra:EIP7251]
+// def process_withdrawals(state: BeaconState, payload: ExecutionPayload) -> None:
 //
-//	    assert len(payload.withdrawals) == len(expected_withdrawals)
+//	expected_withdrawals, processed_partial_withdrawals_count = get_expected_withdrawals(state) # [Modified in Electra:EIP7251]
 //
-//	    for expected_withdrawal, withdrawal in zip(expected_withdrawals, payload.withdrawals):
-//	        assert withdrawal == expected_withdrawal
-//	        decrease_balance(state, withdrawal.validator_index, withdrawal.amount)
+//	assert len(payload.withdrawals) == len(expected_withdrawals)
 //
-//	    # Update pending partial withdrawals [New in Electra:EIP7251]
-//	    state.pending_partial_withdrawals = state.pending_partial_withdrawals[partial_withdrawals_count:]
+//	for expected_withdrawal, withdrawal in zip(expected_withdrawals, payload.withdrawals):
+//	     assert withdrawal == expected_withdrawal
+//	     decrease_balance(state, withdrawal.validator_index, withdrawal.amount)
 //
-//	    # Update the next withdrawal index if this block contained withdrawals
-//	    if len(expected_withdrawals) != 0:
-//	        latest_withdrawal = expected_withdrawals[-1]
-//	        state.next_withdrawal_index = WithdrawalIndex(latest_withdrawal.index + 1)
+//	# Update pending partial withdrawals [New in Electra:EIP7251]
+//	state.pending_partial_withdrawals = state.pending_partial_withdrawals[processed_partial_withdrawals_count:]
 //
-//	    # Update the next validator index to start the next withdrawal sweep
-//	    if len(expected_withdrawals) == MAX_WITHDRAWALS_PER_PAYLOAD:
-//	        # Next sweep starts after the latest withdrawal's validator index
-//	        next_validator_index = ValidatorIndex((expected_withdrawals[-1].validator_index + 1) % len(state.validators))
-//	        state.next_withdrawal_validator_index = next_validator_index
-//	    else:
-//	        # Advance sweep by the max length of the sweep if there was not a full set of withdrawals
-//	        next_index = state.next_withdrawal_validator_index + MAX_VALIDATORS_PER_WITHDRAWALS_SWEEP
-//	        next_validator_index = ValidatorIndex(next_index % len(state.validators))
-//	        state.next_withdrawal_validator_index = next_validator_index
+//	# Update the next withdrawal index if this block contained withdrawals
+//	if len(expected_withdrawals) != 0:
+//	    latest_withdrawal = expected_withdrawals[-1]
+//	    state.next_withdrawal_index = WithdrawalIndex(latest_withdrawal.index + 1)
+//
+//	# Update the next validator index to start the next withdrawal sweep
+//	if len(expected_withdrawals) == MAX_WITHDRAWALS_PER_PAYLOAD:
+//	    # Next sweep starts after the latest withdrawal's validator index
+//	    next_validator_index = ValidatorIndex((expected_withdrawals[-1].validator_index + 1) % len(state.validators))
+//	    state.next_withdrawal_validator_index = next_validator_index
+//	else:
+//	    # Advance sweep by the max length of the sweep if there was not a full set of withdrawals
+//	    next_index = state.next_withdrawal_validator_index + MAX_VALIDATORS_PER_WITHDRAWALS_SWEEP
+//	    next_validator_index = ValidatorIndex(next_index % len(state.validators))
+//	    state.next_withdrawal_validator_index = next_validator_index
 func ProcessWithdrawals(st state.BeaconState, executionData interfaces.ExecutionData) (state.BeaconState, error) {
-	expectedWithdrawals, partialWithdrawalsCount, err := st.ExpectedWithdrawals()
+	expectedWithdrawals, processedPartialWithdrawalsCount, err := st.ExpectedWithdrawals()
 	if err != nil {
 		return nil, errors.Wrap(err, "could not get expected withdrawals")
 	}
@@ -192,7 +193,7 @@ func ProcessWithdrawals(st state.BeaconState, executionData interfaces.Execution
 	}
 
 	if st.Version() >= version.Electra {
-		if err := st.DequeuePartialWithdrawals(partialWithdrawalsCount); err != nil {
+		if err := st.DequeuePartialWithdrawals(processedPartialWithdrawalsCount); err != nil {
 			return nil, fmt.Errorf("unable to dequeue partial withdrawals from state: %w", err)
 		}
 	}

beacon-chain/core/electra/BUILD.bazel

@@ -32,15 +32,17 @@ go_library(
         "//consensus-types/interfaces:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//contracts/deposit:go_default_library",
+        "//crypto/bls/common:go_default_library",
         "//encoding/bytesutil:go_default_library",
         "//math:go_default_library",
+        "//monitoring/tracing/trace:go_default_library",
         "//proto/engine/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
+        "//runtime/version:go_default_library",
         "//time/slots:go_default_library",
         "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
-        "@io_opencensus_go//trace:go_default_library",
     ],
 )
 
@@ -52,24 +54,27 @@ go_test(
         "deposit_fuzz_test.go",
         "deposits_test.go",
         "effective_balance_updates_test.go",
+        "export_test.go",
         "registry_updates_test.go",
         "transition_test.go",
         "upgrade_test.go",
         "validator_test.go",
         "withdrawals_test.go",
     ],
+    embed = [":go_default_library"],
     deps = [
-        ":go_default_library",
         "//beacon-chain/core/helpers:go_default_library",
         "//beacon-chain/core/signing:go_default_library",
         "//beacon-chain/core/time:go_default_library",
         "//beacon-chain/state:go_default_library",
         "//beacon-chain/state/state-native:go_default_library",
+        "//beacon-chain/state/testing:go_default_library",
         "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",
         "//consensus-types/blocks:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//crypto/bls:go_default_library",
+        "//crypto/bls/common:go_default_library",
         "//encoding/bytesutil:go_default_library",
         "//proto/engine/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",

beacon-chain/core/electra/consolidations.go

@@ -11,10 +11,11 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
+	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 	enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
 	eth "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 	"github.com/prysmaticlabs/prysm/v5/time/slots"
-	"go.opencensus.io/trace"
+	log "github.com/sirupsen/logrus"
 )
 
 // ProcessPendingConsolidations implements the spec definition below. This method makes mutating
@@ -22,25 +23,28 @@ import (
 //
 // Spec definition:
 //
-//	def process_pending_consolidations(state: BeaconState) -> None:
-//	    next_pending_consolidation = 0
-//	    for pending_consolidation in state.pending_consolidations:
-//	        source_validator = state.validators[pending_consolidation.source_index]
-//	        if source_validator.slashed:
-//	            next_pending_consolidation += 1
-//	            continue
-//	        if source_validator.withdrawable_epoch > get_current_epoch(state):
-//	            break
+// def process_pending_consolidations(state: BeaconState) -> None:
 //
-//	        # Churn any target excess active balance of target and raise its max
-//	        switch_to_compounding_validator(state, pending_consolidation.target_index)
-//	        # Move active balance to target. Excess balance is withdrawable.
-//	        active_balance = get_active_balance(state, pending_consolidation.source_index)
-//	        decrease_balance(state, pending_consolidation.source_index, active_balance)
-//	        increase_balance(state, pending_consolidation.target_index, active_balance)
+//	next_epoch = Epoch(get_current_epoch(state) + 1)
+//	next_pending_consolidation = 0
+//	for pending_consolidation in state.pending_consolidations:
+//	    source_validator = state.validators[pending_consolidation.source_index]
+//	    if source_validator.slashed:
 //	        next_pending_consolidation += 1
+//	        continue
+//	    if source_validator.withdrawable_epoch > next_epoch:
+//	        break
 //
-//	    state.pending_consolidations = state.pending_consolidations[next_pending_consolidation:]
+//	    # Calculate the consolidated balance
+//	    max_effective_balance = get_max_effective_balance(source_validator)
+//	    source_effective_balance = min(state.balances[pending_consolidation.source_index], max_effective_balance)
+//
+//	    # Move active balance to target. Excess balance is withdrawable.
+//	    decrease_balance(state, pending_consolidation.source_index, source_effective_balance)
+//	    increase_balance(state, pending_consolidation.target_index, source_effective_balance)
+//	    next_pending_consolidation += 1
+//
+//	state.pending_consolidations = state.pending_consolidations[next_pending_consolidation:]
 func ProcessPendingConsolidations(ctx context.Context, st state.BeaconState) error {
 	_, span := trace.StartSpan(ctx, "electra.ProcessPendingConsolidations")
 	defer span.End()
@@ -51,37 +55,34 @@ func ProcessPendingConsolidations(ctx context.Context, st state.BeaconState) err
 
 	nextEpoch := slots.ToEpoch(st.Slot()) + 1
 
-	var nextPendingConsolidation uint64
 	pendingConsolidations, err := st.PendingConsolidations()
 	if err != nil {
 		return err
 	}
-
+	var nextPendingConsolidation uint64
 	for _, pc := range pendingConsolidations {
-		sourceValidator, err := st.ValidatorAtIndex(pc.SourceIndex)
+		sourceValidator, err := st.ValidatorAtIndexReadOnly(pc.SourceIndex)
 		if err != nil {
 			return err
 		}
-		if sourceValidator.Slashed {
+		if sourceValidator.Slashed() {
 			nextPendingConsolidation++
 			continue
 		}
-		if sourceValidator.WithdrawableEpoch > nextEpoch {
+		if sourceValidator.WithdrawableEpoch() > nextEpoch {
 			break
 		}
 
-		if err := SwitchToCompoundingValidator(st, pc.TargetIndex); err != nil {
-			return err
-		}
-
-		activeBalance, err := st.ActiveBalanceAtIndex(pc.SourceIndex)
+		validatorBalance, err := st.BalanceAtIndex(pc.SourceIndex)
 		if err != nil {
 			return err
 		}
-		if err := helpers.DecreaseBalance(st, pc.SourceIndex, activeBalance); err != nil {
+		b := min(validatorBalance, helpers.ValidatorMaxEffectiveBalance(sourceValidator))
+
+		if err := helpers.DecreaseBalance(st, pc.SourceIndex, b); err != nil {
 			return err
 		}
-		if err := helpers.IncreaseBalance(st, pc.TargetIndex, activeBalance); err != nil {
+		if err := helpers.IncreaseBalance(st, pc.TargetIndex, b); err != nil {
 			return err
 		}
 		nextPendingConsolidation++
@@ -101,6 +102,16 @@ func ProcessPendingConsolidations(ctx context.Context, st state.BeaconState) err
 //	    state: BeaconState,
 //	    consolidation_request: ConsolidationRequest
 //	) -> None:
+//	    if is_valid_switch_to_compounding_request(state, consolidation_request):
+//	        validator_pubkeys = [v.pubkey for v in state.validators]
+//	        request_source_pubkey = consolidation_request.source_pubkey
+//	        source_index = ValidatorIndex(validator_pubkeys.index(request_source_pubkey))
+//	        switch_to_compounding_validator(state, source_index)
+//	        return
+//
+//	    # Verify that source != target, so a consolidation cannot be used as an exit.
+//	    if consolidation_request.source_pubkey == consolidation_request.target_pubkey:
+//	        return
 //	    # If the pending consolidations queue is full, consolidation requests are ignored
 //	    if len(state.pending_consolidations) == PENDING_CONSOLIDATIONS_LIMIT:
 //	        return
@@ -121,10 +132,6 @@ func ProcessPendingConsolidations(ctx context.Context, st state.BeaconState) err
 //	    source_validator = state.validators[source_index]
 //	    target_validator = state.validators[target_index]
 //
-//	    # Verify that source != target, so a consolidation cannot be used as an exit.
-//	    if source_index == target_index:
-//	        return
-//
 //	    # Verify source withdrawal credentials
 //	    has_correct_credential = has_execution_withdrawal_credential(source_validator)
 //	    is_correct_source_address = (
@@ -160,19 +167,14 @@ func ProcessPendingConsolidations(ctx context.Context, st state.BeaconState) err
 //	        source_index=source_index,
 //	        target_index=target_index
 //	    ))
+//
+//	    # Churn any target excess active balance of target and raise its max
+//	    if has_eth1_withdrawal_credential(target_validator):
+//	        switch_to_compounding_validator(state, target_index)
 func ProcessConsolidationRequests(ctx context.Context, st state.BeaconState, reqs []*enginev1.ConsolidationRequest) error {
 	if len(reqs) == 0 || st == nil {
 		return nil
 	}
-
-	activeBal, err := helpers.TotalActiveBalance(st)
-	if err != nil {
-		return err
-	}
-	churnLimit := helpers.ConsolidationChurnLimit(primitives.Gwei(activeBal))
-	if churnLimit <= primitives.Gwei(params.BeaconConfig().MinActivationBalance) {
-		return nil
-	}
 	curEpoch := slots.ToEpoch(st.Slot())
 	ffe := params.BeaconConfig().FarFutureEpoch
 	minValWithdrawDelay := params.BeaconConfig().MinValidatorWithdrawabilityDelay
@@ -182,22 +184,44 @@ func ProcessConsolidationRequests(ctx context.Context, st state.BeaconState, req
 		if ctx.Err() != nil {
 			return fmt.Errorf("cannot process consolidation requests: %w", ctx.Err())
 		}
+		if IsValidSwitchToCompoundingRequest(st, cr) {
+			srcIdx, ok := st.ValidatorIndexByPubkey(bytesutil.ToBytes48(cr.SourcePubkey))
+			if !ok {
+				log.Error("failed to find source validator index")
+				continue
+			}
+			if err := SwitchToCompoundingValidator(st, srcIdx); err != nil {
+				log.WithError(err).Error("failed to switch to compounding validator")
+			}
+			continue
+		}
+		sourcePubkey := bytesutil.ToBytes48(cr.SourcePubkey)
+		targetPubkey := bytesutil.ToBytes48(cr.TargetPubkey)
+		if sourcePubkey == targetPubkey {
+			continue
+		}
+
 		if npc, err := st.NumPendingConsolidations(); err != nil {
 			return fmt.Errorf("failed to fetch number of pending consolidations: %w", err) // This should never happen.
 		} else if npc >= pcLimit {
 			return nil
 		}
 
-		srcIdx, ok := st.ValidatorIndexByPubkey(bytesutil.ToBytes48(cr.SourcePubkey))
-		if !ok {
-			continue
+		activeBal, err := helpers.TotalActiveBalance(st)
+		if err != nil {
+			return err
 		}
-		tgtIdx, ok := st.ValidatorIndexByPubkey(bytesutil.ToBytes48(cr.TargetPubkey))
-		if !ok {
-			continue
+		churnLimit := helpers.ConsolidationChurnLimit(primitives.Gwei(activeBal))
+		if churnLimit <= primitives.Gwei(params.BeaconConfig().MinActivationBalance) {
+			return nil
 		}
 
-		if srcIdx == tgtIdx {
+		srcIdx, ok := st.ValidatorIndexByPubkey(sourcePubkey)
+		if !ok {
+			continue
+		}
+		tgtIdx, ok := st.ValidatorIndexByPubkey(targetPubkey)
+		if !ok {
 			continue
 		}
 
@@ -237,7 +261,8 @@ func ProcessConsolidationRequests(ctx context.Context, st state.BeaconState, req
 		// Initiate the exit of the source validator.
 		exitEpoch, err := ComputeConsolidationEpochAndUpdateChurn(ctx, st, primitives.Gwei(srcV.EffectiveBalance))
 		if err != nil {
-			return fmt.Errorf("failed to compute consolidaiton epoch: %w", err)
+			log.WithError(err).Error("failed to compute consolidation epoch")
+			continue
 		}
 		srcV.ExitEpoch = exitEpoch
 		srcV.WithdrawableEpoch = exitEpoch + minValWithdrawDelay
@@ -248,7 +273,95 @@ func ProcessConsolidationRequests(ctx context.Context, st state.BeaconState, req
 		if err := st.AppendPendingConsolidation(&eth.PendingConsolidation{SourceIndex: srcIdx, TargetIndex: tgtIdx}); err != nil {
 			return fmt.Errorf("failed to append pending consolidation: %w", err) // This should never happen.
 		}
+
+		if helpers.HasETH1WithdrawalCredential(tgtV) {
+			if err := SwitchToCompoundingValidator(st, tgtIdx); err != nil {
+				log.WithError(err).Error("failed to switch to compounding validator")
+				continue
+			}
+		}
 	}
 
 	return nil
 }
+
+// IsValidSwitchToCompoundingRequest returns true if the given consolidation request is valid for switching to compounding.
+//
+// Spec code:
+//
+// def is_valid_switch_to_compounding_request(
+//
+//	state: BeaconState,
+//	consolidation_request: ConsolidationRequest
+//
+// ) -> bool:
+//
+//	# Switch to compounding requires source and target be equal
+//	if consolidation_request.source_pubkey != consolidation_request.target_pubkey:
+//	    return False
+//
+//	# Verify pubkey exists
+//	source_pubkey = consolidation_request.source_pubkey
+//	validator_pubkeys = [v.pubkey for v in state.validators]
+//	if source_pubkey not in validator_pubkeys:
+//	    return False
+//
+//	source_validator = state.validators[ValidatorIndex(validator_pubkeys.index(source_pubkey))]
+//
+//	# Verify request has been authorized
+//	if source_validator.withdrawal_credentials[12:] != consolidation_request.source_address:
+//	    return False
+//
+//	# Verify source withdrawal credentials
+//	if not has_eth1_withdrawal_credential(source_validator):
+//	    return False
+//
+//	# Verify the source is active
+//	current_epoch = get_current_epoch(state)
+//	if not is_active_validator(source_validator, current_epoch):
+//	    return False
+//
+//	# Verify exit for source has not been initiated
+//	if source_validator.exit_epoch != FAR_FUTURE_EPOCH:
+//	    return False
+//
+//	return True
+func IsValidSwitchToCompoundingRequest(st state.BeaconState, req *enginev1.ConsolidationRequest) bool {
+	if req.SourcePubkey == nil || req.TargetPubkey == nil {
+		return false
+	}
+
+	if !bytes.Equal(req.SourcePubkey, req.TargetPubkey) {
+		return false
+	}
+
+	srcIdx, ok := st.ValidatorIndexByPubkey(bytesutil.ToBytes48(req.SourcePubkey))
+	if !ok {
+		return false
+	}
+	// As per the consensus specification, this error is not considered an assertion.
+	// Therefore, if the source_pubkey is not found in validator_pubkeys, we simply return false.
+	srcV, err := st.ValidatorAtIndexReadOnly(srcIdx)
+	if err != nil {
+		return false
+	}
+	sourceAddress := req.SourceAddress
+	withdrawalCreds := srcV.GetWithdrawalCredentials()
+	if len(withdrawalCreds) != 32 || len(sourceAddress) != 20 || !bytes.HasSuffix(withdrawalCreds, sourceAddress) {
+		return false
+	}
+
+	if !helpers.HasETH1WithdrawalCredential(srcV) {
+		return false
+	}
+
+	curEpoch := slots.ToEpoch(st.Slot())
+	if !helpers.IsActiveValidatorUsingTrie(srcV, curEpoch) {
+		return false
+	}
+
+	if srcV.ExitEpoch() != params.BeaconConfig().FarFutureEpoch {
+		return false
+	}
+	return true
+}

beacon-chain/core/electra/consolidations_test.go

@@ -13,6 +13,7 @@ import (
 	enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
 	eth "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 	"github.com/prysmaticlabs/prysm/v5/testing/require"
+	"github.com/prysmaticlabs/prysm/v5/testing/util"
 )
 
 func TestProcessPendingConsolidations(t *testing.T) {
@@ -80,10 +81,10 @@ func TestProcessPendingConsolidations(t *testing.T) {
 				require.NoError(t, err)
 				require.Equal(t, uint64(0), num)
 
-				// v1 is switched to compounding validator.
+				// v1 withdrawal credentials should not be updated.
 				v1, err := st.ValidatorAtIndex(1)
 				require.NoError(t, err)
-				require.Equal(t, params.BeaconConfig().CompoundingWithdrawalPrefixByte, v1.WithdrawalCredentials[0])
+				require.Equal(t, params.BeaconConfig().ETH1AddressWithdrawalPrefixByte, v1.WithdrawalCredentials[0])
 			},
 			wantErr: false,
 		},
@@ -201,38 +202,6 @@ func TestProcessPendingConsolidations(t *testing.T) {
 	}
 }
 
-func stateWithActiveBalanceETH(t *testing.T, balETH uint64) state.BeaconState {
-	gwei := balETH * 1_000_000_000
-	balPerVal := params.BeaconConfig().MinActivationBalance
-	numVals := gwei / balPerVal
-
-	vals := make([]*eth.Validator, numVals)
-	bals := make([]uint64, numVals)
-	for i := uint64(0); i < numVals; i++ {
-		wc := make([]byte, 32)
-		wc[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
-		wc[31] = byte(i)
-		vals[i] = &eth.Validator{
-			ActivationEpoch:       0,
-			ExitEpoch:             params.BeaconConfig().FarFutureEpoch,
-			EffectiveBalance:      balPerVal,
-			WithdrawalCredentials: wc,
-		}
-		bals[i] = balPerVal
-	}
-	st, err := state_native.InitializeFromProtoUnsafeElectra(&eth.BeaconStateElectra{
-		Slot:       10 * params.BeaconConfig().SlotsPerEpoch,
-		Validators: vals,
-		Balances:   bals,
-		Fork: &eth.Fork{
-			CurrentVersion: params.BeaconConfig().ElectraForkVersion,
-		},
-	})
-	require.NoError(t, err)
-
-	return st
-}
-
 func TestProcessConsolidationRequests(t *testing.T) {
 	tests := []struct {
 		name     string
@@ -428,3 +397,87 @@ func TestProcessConsolidationRequests(t *testing.T) {
 		})
 	}
 }
+
+func TestIsValidSwitchToCompoundingRequest(t *testing.T) {
+	st, _ := util.DeterministicGenesisStateElectra(t, 1)
+	t.Run("nil source pubkey", func(t *testing.T) {
+		ok := electra.IsValidSwitchToCompoundingRequest(st, &enginev1.ConsolidationRequest{
+			SourcePubkey: nil,
+			TargetPubkey: []byte{'a'},
+		})
+		require.Equal(t, false, ok)
+	})
+	t.Run("nil target pubkey", func(t *testing.T) {
+		ok := electra.IsValidSwitchToCompoundingRequest(st, &enginev1.ConsolidationRequest{
+			TargetPubkey: nil,
+			SourcePubkey: []byte{'a'},
+		})
+		require.Equal(t, false, ok)
+	})
+	t.Run("different source and target pubkey", func(t *testing.T) {
+		ok := electra.IsValidSwitchToCompoundingRequest(st, &enginev1.ConsolidationRequest{
+			TargetPubkey: []byte{'a'},
+			SourcePubkey: []byte{'b'},
+		})
+		require.Equal(t, false, ok)
+	})
+	t.Run("source validator not found in state", func(t *testing.T) {
+		ok := electra.IsValidSwitchToCompoundingRequest(st, &enginev1.ConsolidationRequest{
+			SourceAddress: make([]byte, 20),
+			TargetPubkey:  []byte{'a'},
+			SourcePubkey:  []byte{'a'},
+		})
+		require.Equal(t, false, ok)
+	})
+	t.Run("incorrect source address", func(t *testing.T) {
+		v, err := st.ValidatorAtIndex(0)
+		require.NoError(t, err)
+		pubkey := v.PublicKey
+		ok := electra.IsValidSwitchToCompoundingRequest(st, &enginev1.ConsolidationRequest{
+			SourceAddress: make([]byte, 20),
+			TargetPubkey:  pubkey,
+			SourcePubkey:  pubkey,
+		})
+		require.Equal(t, false, ok)
+	})
+	t.Run("incorrect eth1 withdrawal credential", func(t *testing.T) {
+		v, err := st.ValidatorAtIndex(0)
+		require.NoError(t, err)
+		pubkey := v.PublicKey
+		wc := v.WithdrawalCredentials
+		ok := electra.IsValidSwitchToCompoundingRequest(st, &enginev1.ConsolidationRequest{
+			SourceAddress: wc[12:],
+			TargetPubkey:  pubkey,
+			SourcePubkey:  pubkey,
+		})
+		require.Equal(t, false, ok)
+	})
+	t.Run("is valid compounding request", func(t *testing.T) {
+		v, err := st.ValidatorAtIndex(0)
+		require.NoError(t, err)
+		pubkey := v.PublicKey
+		wc := v.WithdrawalCredentials
+		v.WithdrawalCredentials[0] = 1
+		require.NoError(t, st.UpdateValidatorAtIndex(0, v))
+		ok := electra.IsValidSwitchToCompoundingRequest(st, &enginev1.ConsolidationRequest{
+			SourceAddress: wc[12:],
+			TargetPubkey:  pubkey,
+			SourcePubkey:  pubkey,
+		})
+		require.Equal(t, true, ok)
+	})
+	t.Run("already has an exit epoch", func(t *testing.T) {
+		v, err := st.ValidatorAtIndex(0)
+		require.NoError(t, err)
+		pubkey := v.PublicKey
+		wc := v.WithdrawalCredentials
+		v.ExitEpoch = 100
+		require.NoError(t, st.UpdateValidatorAtIndex(0, v))
+		ok := electra.IsValidSwitchToCompoundingRequest(st, &enginev1.ConsolidationRequest{
+			SourceAddress: wc[12:],
+			TargetPubkey:  pubkey,
+			SourcePubkey:  pubkey,
+		})
+		require.Equal(t, false, ok)
+	})
+}

beacon-chain/core/electra/deposits.go

@@ -2,23 +2,24 @@ package electra
 
 import (
 	"context"
-	"fmt"
 
 	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/blocks"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/helpers"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/signing"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/state"
+	state_native "github.com/prysmaticlabs/prysm/v5/beacon-chain/state/state-native"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/contracts/deposit"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
+	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 	enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
 	eth "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v5/runtime/version"
 	"github.com/prysmaticlabs/prysm/v5/time/slots"
 	log "github.com/sirupsen/logrus"
-	"go.opencensus.io/trace"
 )
 
 // ProcessDeposits is one of the operations performed on each processed
@@ -38,7 +39,7 @@ func ProcessDeposits(
 	defer span.End()
 	// Attempt to verify all deposit signatures at once, if this fails then fall back to processing
 	// individual deposits with signature verification enabled.
-	batchVerified, err := blocks.BatchVerifyDepositsSignatures(ctx, deposits)
+	allSignaturesVerified, err := blocks.BatchVerifyDepositsSignatures(ctx, deposits)
 	if err != nil {
 		return nil, errors.Wrap(err, "could not verify deposit signatures in batch")
 	}
@@ -47,7 +48,7 @@ func ProcessDeposits(
 		if d == nil || d.Data == nil {
 			return nil, errors.New("got a nil deposit in block")
 		}
-		beaconState, err = ProcessDeposit(beaconState, d, batchVerified)
+		beaconState, err = ProcessDeposit(beaconState, d, allSignaturesVerified)
 		if err != nil {
 			return nil, errors.Wrapf(err, "could not process deposit from %#x", bytesutil.Trunc(d.Data.PublicKey))
 		}
@@ -82,7 +83,7 @@ func ProcessDeposits(
 //	  amount=deposit.data.amount,
 //	  signature=deposit.data.signature,
 //	 )
-func ProcessDeposit(beaconState state.BeaconState, deposit *ethpb.Deposit, verifySignature bool) (state.BeaconState, error) {
+func ProcessDeposit(beaconState state.BeaconState, deposit *ethpb.Deposit, allSignaturesVerified bool) (state.BeaconState, error) {
 	if err := blocks.VerifyDeposit(beaconState, deposit); err != nil {
 		if deposit == nil || deposit.Data == nil {
 			return nil, err
@@ -92,37 +93,49 @@ func ProcessDeposit(beaconState state.BeaconState, deposit *ethpb.Deposit, verif
 	if err := beaconState.SetEth1DepositIndex(beaconState.Eth1DepositIndex() + 1); err != nil {
 		return nil, err
 	}
-	return ApplyDeposit(beaconState, deposit.Data, verifySignature)
+	return ApplyDeposit(beaconState, deposit.Data, allSignaturesVerified)
 }
 
-// ApplyDeposit
-// def apply_deposit(state: BeaconState, pubkey: BLSPubkey, withdrawal_credentials: Bytes32, amount: uint64, signature: BLSSignature) -> None:
-// validator_pubkeys = [v.pubkey for v in state.validators]
-// if pubkey not in validator_pubkeys:
+// ApplyDeposit adds the incoming deposit as a pending deposit on the state
 //
-//	# Verify the deposit signature (proof of possession) which is not checked by the deposit contract
-//	if is_valid_deposit_signature(pubkey, withdrawal_credentials, amount, signature):
-//	  add_validator_to_registry(state, pubkey, withdrawal_credentials, amount)
+// Spec pseudocode definition:
+// def apply_deposit(state: BeaconState,
 //
-// else:
-//
-//	# Increase balance by deposit amount
-//	index = ValidatorIndex(validator_pubkeys.index(pubkey))
-//	state.pending_balance_deposits.append(PendingBalanceDeposit(index=index, amount=amount))  # [Modified in Electra:EIP-7251]
-//	# Check if valid deposit switch to compounding credentials
-//
-// if ( is_compounding_withdrawal_credential(withdrawal_credentials) and has_eth1_withdrawal_credential(state.validators[index])
-//
-//	 and is_valid_deposit_signature(pubkey, withdrawal_credentials, amount, signature)
-//	):
-//	 switch_to_compounding_validator(state, index)
-func ApplyDeposit(beaconState state.BeaconState, data *ethpb.Deposit_Data, verifySignature bool) (state.BeaconState, error) {
+//	              pubkey: BLSPubkey,
+//	              withdrawal_credentials: Bytes32,
+//	              amount: uint64,
+//	              signature: BLSSignature) -> None:
+//	validator_pubkeys = [v.pubkey for v in state.validators]
+//	if pubkey not in validator_pubkeys:
+//	    # Verify the deposit signature (proof of possession) which is not checked by the deposit contract
+//	    if is_valid_deposit_signature(pubkey, withdrawal_credentials, amount, signature):
+//	        add_validator_to_registry(state, pubkey, withdrawal_credentials, Gwei(0))  # [Modified in Electra:EIP7251]
+//	        # [New in Electra:EIP7251]
+//	        state.pending_deposits.append(PendingDeposit(
+//	            pubkey=pubkey,
+//	            withdrawal_credentials=withdrawal_credentials,
+//	            amount=amount,
+//	            signature=signature,
+//	            slot=GENESIS_SLOT,  # Use GENESIS_SLOT to distinguish from a pending deposit request
+//	        ))
+//	else:
+//	    # Increase balance by deposit amount
+//	    # [Modified in Electra:EIP7251]
+//	    state.pending_deposits.append(PendingDeposit(
+//	        pubkey=pubkey,
+//	        withdrawal_credentials=withdrawal_credentials,
+//	        amount=amount,
+//	        signature=signature,
+//	        slot=GENESIS_SLOT  # Use GENESIS_SLOT to distinguish from a pending deposit request
+//	    ))
+func ApplyDeposit(beaconState state.BeaconState, data *ethpb.Deposit_Data, allSignaturesVerified bool) (state.BeaconState, error) {
 	pubKey := data.PublicKey
 	amount := data.Amount
 	withdrawalCredentials := data.WithdrawalCredentials
-	index, ok := beaconState.ValidatorIndexByPubkey(bytesutil.ToBytes48(pubKey))
+	signature := data.Signature
+	_, ok := beaconState.ValidatorIndexByPubkey(bytesutil.ToBytes48(pubKey))
 	if !ok {
-		if verifySignature {
+		if !allSignaturesVerified {
 			valid, err := IsValidDepositSignature(data)
 			if err != nil {
 				return nil, errors.Wrap(err, "could not verify deposit signature")
@@ -131,32 +144,20 @@ func ApplyDeposit(beaconState state.BeaconState, data *ethpb.Deposit_Data, verif
 				return beaconState, nil
 			}
 		}
-		if err := AddValidatorToRegistry(beaconState, pubKey, withdrawalCredentials, amount); err != nil {
+
+		if err := AddValidatorToRegistry(beaconState, pubKey, withdrawalCredentials, 0); err != nil { // # [Modified in Electra:EIP7251]
 			return nil, errors.Wrap(err, "could not add validator to registry")
 		}
-	} else {
-		// no validation on top-ups (phase0 feature). no validation before state change
-		if err := beaconState.AppendPendingBalanceDeposit(index, amount); err != nil {
-			return nil, err
-		}
-		val, err := beaconState.ValidatorAtIndex(index)
-		if err != nil {
-			return nil, err
-		}
-		if helpers.IsCompoundingWithdrawalCredential(withdrawalCredentials) && helpers.HasETH1WithdrawalCredential(val) {
-			if verifySignature {
-				valid, err := IsValidDepositSignature(data)
-				if err != nil {
-					return nil, errors.Wrap(err, "could not verify deposit signature")
-				}
-				if !valid {
-					return beaconState, nil
-				}
-			}
-			if err := SwitchToCompoundingValidator(beaconState, index); err != nil {
-				return nil, errors.Wrap(err, "could not switch to compound validator")
-			}
-		}
+	}
+	// no validation on top-ups (phase0 feature). no validation before state change
+	if err := beaconState.AppendPendingDeposit(&ethpb.PendingDeposit{
+		PublicKey:             pubKey,
+		WithdrawalCredentials: withdrawalCredentials,
+		Amount:                amount,
+		Signature:             signature,
+		Slot:                  params.BeaconConfig().GenesisSlot,
+	}); err != nil {
+		return nil, err
 	}
 	return beaconState, nil
 }
@@ -185,152 +186,371 @@ func verifyDepositDataSigningRoot(obj *ethpb.Deposit_Data, domain []byte) error
 	return deposit.VerifyDepositSignature(obj, domain)
 }
 
-// ProcessPendingBalanceDeposits implements the spec definition below. This method mutates the state.
+// ProcessPendingDeposits implements the spec definition below. This method mutates the state.
+// Iterating over `pending_deposits` queue this function runs the following checks before applying pending deposit:
+// 1. All Eth1 bridge deposits are processed before the first deposit request gets processed.
+// 2. Deposit position in the queue is finalized.
+// 3. Deposit does not exceed the `MAX_PENDING_DEPOSITS_PER_EPOCH` limit.
+// 4. Deposit does not exceed the activation churn limit.
 //
 // Spec definition:
 //
-//	def process_pending_balance_deposits(state: BeaconState) -> None:
-//	    available_for_processing = state.deposit_balance_to_consume + get_activation_exit_churn_limit(state)
-//	    processed_amount = 0
-//	    next_deposit_index = 0
-//	    deposits_to_postpone = []
+// def process_pending_deposits(state: BeaconState) -> None:
 //
-//	    for deposit in state.pending_balance_deposits:
-//	        validator = state.validators[deposit.index]
+//	next_epoch = Epoch(get_current_epoch(state) + 1)
+//	available_for_processing = state.deposit_balance_to_consume + get_activation_exit_churn_limit(state)
+//	processed_amount = 0
+//	next_deposit_index = 0
+//	deposits_to_postpone = []
+//	is_churn_limit_reached = False
+//	finalized_slot = compute_start_slot_at_epoch(state.finalized_checkpoint.epoch)
+//
+//	for deposit in state.pending_deposits:
+//	    # Do not process deposit requests if Eth1 bridge deposits are not yet applied.
+//	    if (
+//	        # Is deposit request
+//	        deposit.slot > GENESIS_SLOT and
+//	        # There are pending Eth1 bridge deposits
+//	        state.eth1_deposit_index < state.deposit_requests_start_index
+//	    ):
+//	        break
+//
+//	    # Check if deposit has been finalized, otherwise, stop processing.
+//	    if deposit.slot > finalized_slot:
+//	        break
+//
+//	    # Check if number of processed deposits has not reached the limit, otherwise, stop processing.
+//	    if next_deposit_index >= MAX_PENDING_DEPOSITS_PER_EPOCH:
+//	        break
+//
+//	    # Read validator state
+//	    is_validator_exited = False
+//	    is_validator_withdrawn = False
+//	    validator_pubkeys = [v.pubkey for v in state.validators]
+//	    if deposit.pubkey in validator_pubkeys:
+//	        validator = state.validators[ValidatorIndex(validator_pubkeys.index(deposit.pubkey))]
+//	        is_validator_exited = validator.exit_epoch < FAR_FUTURE_EPOCH
+//	        is_validator_withdrawn = validator.withdrawable_epoch < next_epoch
+//
+//	    if is_validator_withdrawn:
+//	        # Deposited balance will never become active. Increase balance but do not consume churn
+//	        apply_pending_deposit(state, deposit)
+//	    elif is_validator_exited:
 //	        # Validator is exiting, postpone the deposit until after withdrawable epoch
-//	        if validator.exit_epoch < FAR_FUTURE_EPOCH:
-//	            if get_current_epoch(state) <= validator.withdrawable_epoch:
-//	                deposits_to_postpone.append(deposit)
-//	            # Deposited balance will never become active. Increase balance but do not consume churn
-//	            else:
-//	                increase_balance(state, deposit.index, deposit.amount)
-//	        # Validator is not exiting, attempt to process deposit
-//	        else:
-//	            # Deposit does not fit in the churn, no more deposit processing in this epoch.
-//	            if processed_amount + deposit.amount > available_for_processing:
-//	                break
-//	            # Deposit fits in the churn, process it. Increase balance and consume churn.
-//	            else:
-//	                increase_balance(state, deposit.index, deposit.amount)
-//	                processed_amount += deposit.amount
-//	        # Regardless of how the deposit was handled, we move on in the queue.
-//	        next_deposit_index += 1
-//
-//	    state.pending_balance_deposits = state.pending_balance_deposits[next_deposit_index:]
-//
-//	    if len(state.pending_balance_deposits) == 0:
-//	        state.deposit_balance_to_consume = Gwei(0)
+//	        deposits_to_postpone.append(deposit)
 //	    else:
-//	        state.deposit_balance_to_consume = available_for_processing - processed_amount
+//	        # Check if deposit fits in the churn, otherwise, do no more deposit processing in this epoch.
+//	        is_churn_limit_reached = processed_amount + deposit.amount > available_for_processing
+//	        if is_churn_limit_reached:
+//	            break
 //
-//	    state.pending_balance_deposits += deposits_to_postpone
-func ProcessPendingBalanceDeposits(ctx context.Context, st state.BeaconState, activeBalance primitives.Gwei) error {
-	_, span := trace.StartSpan(ctx, "electra.ProcessPendingBalanceDeposits")
+//	        # Consume churn and apply deposit.
+//	        processed_amount += deposit.amount
+//	        apply_pending_deposit(state, deposit)
+//
+//	    # Regardless of how the deposit was handled, we move on in the queue.
+//	    next_deposit_index += 1
+//
+//	state.pending_deposits = state.pending_deposits[next_deposit_index:] + deposits_to_postpone
+//
+//	# Accumulate churn only if the churn limit has been hit.
+//	if is_churn_limit_reached:
+//	    state.deposit_balance_to_consume = available_for_processing - processed_amount
+//	else:
+//	    state.deposit_balance_to_consume = Gwei(0)
+func ProcessPendingDeposits(ctx context.Context, st state.BeaconState, activeBalance primitives.Gwei) error {
+	_, span := trace.StartSpan(ctx, "electra.ProcessPendingDeposits")
 	defer span.End()
 
 	if st == nil || st.IsNil() {
 		return errors.New("nil state")
 	}
 
+	// constants & initializations
+	nextEpoch := slots.ToEpoch(st.Slot()) + 1
+	processedAmount := uint64(0)
+	nextDepositIndex := uint64(0)
+	isChurnLimitReached := false
+
+	var pendingDepositsToBatchVerify []*ethpb.PendingDeposit
+	var pendingDepositsToPostpone []*eth.PendingDeposit
+
 	depBalToConsume, err := st.DepositBalanceToConsume()
 	if err != nil {
-		return err
+		return errors.Wrap(err, "could not get deposit balance to consume")
 	}
 	availableForProcessing := depBalToConsume + helpers.ActivationExitChurnLimit(activeBalance)
-	processedAmount := uint64(0)
-	nextDepositIndex := 0
-	var depositsToPostpone []*eth.PendingBalanceDeposit
 
-	deposits, err := st.PendingBalanceDeposits()
+	finalizedSlot, err := slots.EpochStart(st.FinalizedCheckpoint().Epoch)
+	if err != nil {
+		return errors.Wrap(err, "could not get finalized slot")
+	}
+
+	startIndex, err := st.DepositRequestsStartIndex()
+	if err != nil {
+		return errors.Wrap(err, "could not get starting pendingDeposit index")
+	}
+
+	pendingDeposits, err := st.PendingDeposits()
 	if err != nil {
 		return err
 	}
-
-	// constants
-	ffe := params.BeaconConfig().FarFutureEpoch
-	nextEpoch := slots.ToEpoch(st.Slot()) + 1
-
-	for _, balanceDeposit := range deposits {
-		v, err := st.ValidatorAtIndexReadOnly(balanceDeposit.Index)
-		if err != nil {
-			return fmt.Errorf("failed to fetch validator at index: %w", err)
+	for _, pendingDeposit := range pendingDeposits {
+		// Do not process pendingDeposit requests if Eth1 bridge deposits are not yet applied.
+		if pendingDeposit.Slot > params.BeaconConfig().GenesisSlot && st.Eth1DepositIndex() < startIndex {
+			break
 		}
 
-		// If the validator is currently exiting, postpone the deposit until after the withdrawable
-		// epoch.
-		if v.ExitEpoch() < ffe {
-			if nextEpoch <= v.WithdrawableEpoch() {
-				depositsToPostpone = append(depositsToPostpone, balanceDeposit)
-			} else {
-				// The deposited balance will never become active. Therefore, we increase the balance but do
-				// not consume the churn.
-				if err := helpers.IncreaseBalance(st, balanceDeposit.Index, balanceDeposit.Amount); err != nil {
-					return err
-				}
+		// Check if pendingDeposit has been finalized, otherwise, stop processing.
+		if pendingDeposit.Slot > finalizedSlot {
+			break
+		}
+
+		// Check if number of processed deposits has not reached the limit, otherwise, stop processing.
+		if nextDepositIndex >= params.BeaconConfig().MaxPendingDepositsPerEpoch {
+			break
+		}
+
+		var isValidatorExited bool
+		var isValidatorWithdrawn bool
+		index, found := st.ValidatorIndexByPubkey(bytesutil.ToBytes48(pendingDeposit.PublicKey))
+		if found {
+			val, err := st.ValidatorAtIndexReadOnly(index)
+			if err != nil {
+				return errors.Wrap(err, "could not get validator")
 			}
+			isValidatorExited = val.ExitEpoch() < params.BeaconConfig().FarFutureEpoch
+			isValidatorWithdrawn = val.WithdrawableEpoch() < nextEpoch
+		}
+
+		if isValidatorWithdrawn {
+			// note: the validator will never be active, just increase the balance
+			if err := helpers.IncreaseBalance(st, index, pendingDeposit.Amount); err != nil {
+				return errors.Wrap(err, "could not increase balance")
+			}
+		} else if isValidatorExited {
+			pendingDepositsToPostpone = append(pendingDepositsToPostpone, pendingDeposit)
 		} else {
-			// Validator is not exiting, attempt to process deposit.
-			if primitives.Gwei(processedAmount+balanceDeposit.Amount) > availableForProcessing {
+			isChurnLimitReached = primitives.Gwei(processedAmount+pendingDeposit.Amount) > availableForProcessing
+			if isChurnLimitReached {
 				break
 			}
-			// Deposit fits in churn, process it. Increase balance and consume churn.
-			if err := helpers.IncreaseBalance(st, balanceDeposit.Index, balanceDeposit.Amount); err != nil {
-				return err
+			processedAmount += pendingDeposit.Amount
+
+			// note: the following code deviates from the spec in order to perform batch signature verification
+			if found {
+				if err := helpers.IncreaseBalance(st, index, pendingDeposit.Amount); err != nil {
+					return errors.Wrap(err, "could not increase balance")
+				}
+			} else {
+				// Collect deposit for batch signature verification
+				pendingDepositsToBatchVerify = append(pendingDepositsToBatchVerify, pendingDeposit)
 			}
-			processedAmount += balanceDeposit.Amount
 		}
 
-		// Regardless of how the deposit was handled, we move on in the queue.
+		// Regardless of how the pendingDeposit was handled, we move on in the queue.
 		nextDepositIndex++
 	}
 
+	// Perform batch signature verification on pending deposits that require validator registration
+	if err = batchProcessNewPendingDeposits(ctx, st, pendingDepositsToBatchVerify); err != nil {
+		return errors.Wrap(err, "could not process pending deposits with new public keys")
+	}
+
 	// Combined operation:
-	// - state.pending_balance_deposits = state.pending_balance_deposits[next_deposit_index:]
-	// - state.pending_balance_deposits += deposits_to_postpone
-	// However, the number of remaining deposits must be maintained to properly update the deposit
+	// - state.pending_deposits = state.pending_deposits[next_deposit_index:]
+	// - state.pending_deposits += deposits_to_postpone
+	// However, the number of remaining deposits must be maintained to properly update the pendingDeposit
 	// balance to consume.
-	numRemainingDeposits := len(deposits[nextDepositIndex:])
-	deposits = append(deposits[nextDepositIndex:], depositsToPostpone...)
-	if err := st.SetPendingBalanceDeposits(deposits); err != nil {
+	pendingDeposits = append(pendingDeposits[nextDepositIndex:], pendingDepositsToPostpone...)
+	if err := st.SetPendingDeposits(pendingDeposits); err != nil {
+		return errors.Wrap(err, "could not set pending deposits")
+	}
+	// Accumulate churn only if the churn limit has been hit.
+	if isChurnLimitReached {
+		return st.SetDepositBalanceToConsume(availableForProcessing - primitives.Gwei(processedAmount))
+	}
+	return st.SetDepositBalanceToConsume(0)
+}
+
+// batchProcessNewPendingDeposits should only be used to process new deposits that require validator registration
+func batchProcessNewPendingDeposits(ctx context.Context, state state.BeaconState, pendingDeposits []*ethpb.PendingDeposit) error {
+	// Return early if there are no deposits to process
+	if len(pendingDeposits) == 0 {
+		return nil
+	}
+
+	// Try batch verification of all deposit signatures
+	allSignaturesVerified, err := blocks.BatchVerifyPendingDepositsSignatures(ctx, pendingDeposits)
+	if err != nil {
+		return errors.Wrap(err, "batch signature verification failed")
+	}
+
+	// Process each deposit individually
+	for _, pendingDeposit := range pendingDeposits {
+		validSignature := allSignaturesVerified
+
+		// If batch verification failed, check the individual deposit signature
+		if !allSignaturesVerified {
+			validSignature, err = blocks.IsValidDepositSignature(&ethpb.Deposit_Data{
+				PublicKey:             bytesutil.SafeCopyBytes(pendingDeposit.PublicKey),
+				WithdrawalCredentials: bytesutil.SafeCopyBytes(pendingDeposit.WithdrawalCredentials),
+				Amount:                pendingDeposit.Amount,
+				Signature:             bytesutil.SafeCopyBytes(pendingDeposit.Signature),
+			})
+			if err != nil {
+				return errors.Wrap(err, "individual deposit signature verification failed")
+			}
+		}
+
+		// Add validator to the registry if the signature is valid
+		if validSignature {
+			err = AddValidatorToRegistry(state, pendingDeposit.PublicKey, pendingDeposit.WithdrawalCredentials, pendingDeposit.Amount)
+			if err != nil {
+				return errors.Wrap(err, "failed to add validator to registry")
+			}
+		}
+	}
+
+	return nil
+}
+
+// ApplyPendingDeposit implements the spec definition below.
+// Note : This function is NOT used by ProcessPendingDeposits due to simplified logic for more readable batch processing
+//
+// Spec Definition:
+//
+// def apply_pending_deposit(state: BeaconState, deposit: PendingDeposit) -> None:
+//
+//	"""
+//	Applies ``deposit`` to the ``state``.
+//	"""
+//	validator_pubkeys = [v.pubkey for v in state.validators]
+//	if deposit.pubkey not in validator_pubkeys:
+//	    # Verify the deposit signature (proof of possession) which is not checked by the deposit contract
+//	    if is_valid_deposit_signature(
+//	        deposit.pubkey,
+//	        deposit.withdrawal_credentials,
+//	        deposit.amount,
+//	        deposit.signature
+//	    ):
+//	        add_validator_to_registry(state, deposit.pubkey, deposit.withdrawal_credentials, deposit.amount)
+//	else:
+//	    validator_index = ValidatorIndex(validator_pubkeys.index(deposit.pubkey))
+//	    # Increase balance
+//	    increase_balance(state, validator_index, deposit.amount)
+func ApplyPendingDeposit(ctx context.Context, st state.BeaconState, deposit *ethpb.PendingDeposit) error {
+	_, span := trace.StartSpan(ctx, "electra.ApplyPendingDeposit")
+	defer span.End()
+	index, ok := st.ValidatorIndexByPubkey(bytesutil.ToBytes48(deposit.PublicKey))
+	if !ok {
+		verified, err := blocks.IsValidDepositSignature(&ethpb.Deposit_Data{
+			PublicKey:             bytesutil.SafeCopyBytes(deposit.PublicKey),
+			WithdrawalCredentials: bytesutil.SafeCopyBytes(deposit.WithdrawalCredentials),
+			Amount:                deposit.Amount,
+			Signature:             bytesutil.SafeCopyBytes(deposit.Signature),
+		})
+		if err != nil {
+			return errors.Wrap(err, "could not verify deposit signature")
+		}
+
+		if verified {
+			if err := AddValidatorToRegistry(st, deposit.PublicKey, deposit.WithdrawalCredentials, deposit.Amount); err != nil {
+				return errors.Wrap(err, "could not add validator to registry")
+			}
+		}
+		return nil
+	}
+	return helpers.IncreaseBalance(st, index, deposit.Amount)
+}
+
+// AddValidatorToRegistry updates the beacon state with validator information
+// def add_validator_to_registry(state: BeaconState, pubkey: BLSPubkey, withdrawal_credentials: Bytes32, amount: uint64) -> None:
+//
+//	index = get_index_for_new_validator(state)
+//	validator = get_validator_from_deposit(pubkey, withdrawal_credentials, amount)  # [Modified in Electra:EIP7251]
+//	set_or_append_list(state.validators, index, validator)
+//	set_or_append_list(state.balances, index, amount)
+//	set_or_append_list(state.previous_epoch_participation, index, ParticipationFlags(0b0000_0000))
+//	set_or_append_list(state.current_epoch_participation, index, ParticipationFlags(0b0000_0000))
+//	set_or_append_list(state.inactivity_scores, index, uint64(0))
+func AddValidatorToRegistry(beaconState state.BeaconState, pubKey []byte, withdrawalCredentials []byte, amount uint64) error {
+	val, err := GetValidatorFromDeposit(pubKey, withdrawalCredentials, amount)
+	if err != nil {
+		return errors.Wrap(err, "could not get validator from deposit")
+	}
+	if err := beaconState.AppendValidator(val); err != nil {
+		return err
+	}
+	if err := beaconState.AppendBalance(amount); err != nil {
 		return err
 	}
 
-	if numRemainingDeposits == 0 {
-		return st.SetDepositBalanceToConsume(0)
-	} else {
-		return st.SetDepositBalanceToConsume(availableForProcessing - primitives.Gwei(processedAmount))
+	// only active in altair and only when it's a new validator (after append balance)
+	if beaconState.Version() >= version.Altair {
+		if err := beaconState.AppendInactivityScore(0); err != nil {
+			return err
+		}
+		if err := beaconState.AppendPreviousParticipationBits(0); err != nil {
+			return err
+		}
+		if err := beaconState.AppendCurrentParticipationBits(0); err != nil {
+			return err
+		}
 	}
+	return nil
+}
+
+// GetValidatorFromDeposit gets a new validator object with provided parameters
+//
+// def get_validator_from_deposit(pubkey: BLSPubkey, withdrawal_credentials: Bytes32, amount: uint64) -> Validator:
+//
+//	validator = Validator(
+//	    pubkey=pubkey,
+//	    withdrawal_credentials=withdrawal_credentials,
+//	    activation_eligibility_epoch=FAR_FUTURE_EPOCH,
+//	    activation_epoch=FAR_FUTURE_EPOCH,
+//	    exit_epoch=FAR_FUTURE_EPOCH,
+//	    withdrawable_epoch=FAR_FUTURE_EPOCH,
+//	    effective_balance=Gwei(0),
+//	)
+//
+//	# [Modified in Electra:EIP7251]
+//	max_effective_balance = get_max_effective_balance(validator)
+//	validator.effective_balance = min(amount - amount % EFFECTIVE_BALANCE_INCREMENT, max_effective_balance)
+//
+//	return validator
+func GetValidatorFromDeposit(pubKey []byte, withdrawalCredentials []byte, amount uint64) (*ethpb.Validator, error) {
+	validator := &ethpb.Validator{
+		PublicKey:                  pubKey,
+		WithdrawalCredentials:      withdrawalCredentials,
+		ActivationEligibilityEpoch: params.BeaconConfig().FarFutureEpoch,
+		ActivationEpoch:            params.BeaconConfig().FarFutureEpoch,
+		ExitEpoch:                  params.BeaconConfig().FarFutureEpoch,
+		WithdrawableEpoch:          params.BeaconConfig().FarFutureEpoch,
+		EffectiveBalance:           0,
+	}
+	v, err := state_native.NewValidator(validator)
+	if err != nil {
+		return nil, err
+	}
+	maxEffectiveBalance := helpers.ValidatorMaxEffectiveBalance(v)
+	validator.EffectiveBalance = min(amount-(amount%params.BeaconConfig().EffectiveBalanceIncrement), maxEffectiveBalance)
+	return validator, nil
 }
 
 // ProcessDepositRequests is a function as part of electra to process execution layer deposits
 func ProcessDepositRequests(ctx context.Context, beaconState state.BeaconState, requests []*enginev1.DepositRequest) (state.BeaconState, error) {
-	ctx, span := trace.StartSpan(ctx, "electra.ProcessDepositRequests")
+	_, span := trace.StartSpan(ctx, "electra.ProcessDepositRequests")
 	defer span.End()
 
 	if len(requests) == 0 {
 		return beaconState, nil
 	}
 
-	deposits := make([]*ethpb.Deposit, 0)
-	for _, req := range requests {
-		if req == nil {
-			return nil, errors.New("got a nil DepositRequest")
-		}
-		deposits = append(deposits, &ethpb.Deposit{
-			Data: &ethpb.Deposit_Data{
-				PublicKey:             req.Pubkey,
-				WithdrawalCredentials: req.WithdrawalCredentials,
-				Amount:                req.Amount,
-				Signature:             req.Signature,
-			},
-		})
-	}
-	batchVerified, err := blocks.BatchVerifyDepositsSignatures(ctx, deposits)
-	if err != nil {
-		return nil, errors.Wrap(err, "could not verify deposit signatures in batch")
-	}
+	var err error
 	for _, receipt := range requests {
-		beaconState, err = processDepositRequest(beaconState, receipt, batchVerified)
+		beaconState, err = processDepositRequest(beaconState, receipt)
 		if err != nil {
 			return nil, errors.Wrap(err, "could not apply deposit request")
 		}
@@ -342,30 +562,38 @@ func ProcessDepositRequests(ctx context.Context, beaconState state.BeaconState,
 // def process_deposit_request(state: BeaconState, deposit_request: DepositRequest) -> None:
 //
 //	# Set deposit request start index
-//	if state.deposit_requests_start_index == UNSET_DEPOSIT_REQUEST_START_INDEX:
+//	if state.deposit_requests_start_index == UNSET_DEPOSIT_REQUESTS_START_INDEX:
 //	    state.deposit_requests_start_index = deposit_request.index
 //
-//	apply_deposit(
-//	    state=state,
+//	# Create pending deposit
+//	state.pending_deposits.append(PendingDeposit(
 //	    pubkey=deposit_request.pubkey,
 //	    withdrawal_credentials=deposit_request.withdrawal_credentials,
 //	    amount=deposit_request.amount,
 //	    signature=deposit_request.signature,
-//	)
-func processDepositRequest(beaconState state.BeaconState, request *enginev1.DepositRequest, verifySignature bool) (state.BeaconState, error) {
+//	    slot=state.slot,
+//	))
+func processDepositRequest(beaconState state.BeaconState, request *enginev1.DepositRequest) (state.BeaconState, error) {
 	requestsStartIndex, err := beaconState.DepositRequestsStartIndex()
 	if err != nil {
 		return nil, errors.Wrap(err, "could not get deposit requests start index")
 	}
 	if requestsStartIndex == params.BeaconConfig().UnsetDepositRequestsStartIndex {
+		if request == nil {
+			return nil, errors.New("nil deposit request")
+		}
 		if err := beaconState.SetDepositRequestsStartIndex(request.Index); err != nil {
 			return nil, errors.Wrap(err, "could not set deposit requests start index")
 		}
 	}
-	return ApplyDeposit(beaconState, &ethpb.Deposit_Data{
+	if err := beaconState.AppendPendingDeposit(&ethpb.PendingDeposit{
 		PublicKey:             bytesutil.SafeCopyBytes(request.Pubkey),
 		Amount:                request.Amount,
 		WithdrawalCredentials: bytesutil.SafeCopyBytes(request.WithdrawalCredentials),
 		Signature:             bytesutil.SafeCopyBytes(request.Signature),
-	}, verifySignature)
+		Slot:                  beaconState.Slot(),
+	}); err != nil {
+		return nil, errors.Wrap(err, "could not append deposit request")
+	}
+	return beaconState, nil
 }

beacon-chain/core/electra/deposits_test.go

@@ -9,10 +9,12 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/signing"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/state"
 	state_native "github.com/prysmaticlabs/prysm/v5/beacon-chain/state/state-native"
+	stateTesting "github.com/prysmaticlabs/prysm/v5/beacon-chain/state/testing"
 	fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/crypto/bls"
+	"github.com/prysmaticlabs/prysm/v5/crypto/bls/common"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
 	enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
 	eth "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
@@ -20,7 +22,7 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/testing/util"
 )
 
-func TestProcessPendingBalanceDeposits(t *testing.T) {
+func TestProcessPendingDeposits(t *testing.T) {
 	tests := []struct {
 		name    string
 		state   state.BeaconState
@@ -48,17 +50,10 @@ func TestProcessPendingBalanceDeposits(t *testing.T) {
 		{
 			name: "more deposits than balance to consume processes partial deposits",
 			state: func() state.BeaconState {
-				st := stateWithActiveBalanceETH(t, 1_000)
-				require.NoError(t, st.SetDepositBalanceToConsume(100))
 				amountAvailForProcessing := helpers.ActivationExitChurnLimit(1_000 * 1e9)
-				deps := make([]*eth.PendingBalanceDeposit, 20)
-				for i := 0; i < len(deps); i += 1 {
-					deps[i] = &eth.PendingBalanceDeposit{
-						Amount: uint64(amountAvailForProcessing) / 10,
-						Index:  primitives.ValidatorIndex(i),
-					}
-				}
-				require.NoError(t, st.SetPendingBalanceDeposits(deps))
+				depositAmount := uint64(amountAvailForProcessing) / 10
+				st := stateWithPendingDeposits(t, 1_000, 20, depositAmount)
+				require.NoError(t, st.SetDepositBalanceToConsume(100))
 				return st
 			}(),
 			check: func(t *testing.T, st state.BeaconState) {
@@ -74,25 +69,45 @@ func TestProcessPendingBalanceDeposits(t *testing.T) {
 				}
 
 				// Half of the balance deposits should have been processed.
-				remaining, err := st.PendingBalanceDeposits()
+				remaining, err := st.PendingDeposits()
 				require.NoError(t, err)
 				require.Equal(t, 10, len(remaining))
 			},
 		},
+		{
+			name: "withdrawn validators should not consume churn",
+			state: func() state.BeaconState {
+				amountAvailForProcessing := helpers.ActivationExitChurnLimit(1_000 * 1e9)
+				depositAmount := uint64(amountAvailForProcessing)
+				// set the pending deposits to the maximum churn limit
+				st := stateWithPendingDeposits(t, 1_000, 2, depositAmount)
+				vals := st.Validators()
+				vals[1].WithdrawableEpoch = 0
+				require.NoError(t, st.SetValidators(vals))
+				return st
+			}(),
+			check: func(t *testing.T, st state.BeaconState) {
+				amountAvailForProcessing := helpers.ActivationExitChurnLimit(1_000 * 1e9)
+				// Validators 0..9 should have their balance increased
+				for i := primitives.ValidatorIndex(0); i < 2; i++ {
+					b, err := st.BalanceAtIndex(i)
+					require.NoError(t, err)
+					require.Equal(t, params.BeaconConfig().MinActivationBalance+uint64(amountAvailForProcessing), b)
+				}
+
+				// All pending deposits should have been processed
+				remaining, err := st.PendingDeposits()
+				require.NoError(t, err)
+				require.Equal(t, 0, len(remaining))
+			},
+		},
 		{
 			name: "less deposits than balance to consume processes all deposits",
 			state: func() state.BeaconState {
-				st := stateWithActiveBalanceETH(t, 1_000)
-				require.NoError(t, st.SetDepositBalanceToConsume(0))
 				amountAvailForProcessing := helpers.ActivationExitChurnLimit(1_000 * 1e9)
-				deps := make([]*eth.PendingBalanceDeposit, 5)
-				for i := 0; i < len(deps); i += 1 {
-					deps[i] = &eth.PendingBalanceDeposit{
-						Amount: uint64(amountAvailForProcessing) / 5,
-						Index:  primitives.ValidatorIndex(i),
-					}
-				}
-				require.NoError(t, st.SetPendingBalanceDeposits(deps))
+				depositAmount := uint64(amountAvailForProcessing) / 5
+				st := stateWithPendingDeposits(t, 1_000, 5, depositAmount)
+				require.NoError(t, st.SetDepositBalanceToConsume(0))
 				return st
 			}(),
 			check: func(t *testing.T, st state.BeaconState) {
@@ -108,7 +123,73 @@ func TestProcessPendingBalanceDeposits(t *testing.T) {
 				}
 
 				// All of the balance deposits should have been processed.
-				remaining, err := st.PendingBalanceDeposits()
+				remaining, err := st.PendingDeposits()
+				require.NoError(t, err)
+				require.Equal(t, 0, len(remaining))
+			},
+		},
+		{
+			name: "process pending deposit for unknown key, activates new key",
+			state: func() state.BeaconState {
+				st := stateWithActiveBalanceETH(t, 0)
+				sk, err := bls.RandKey()
+				require.NoError(t, err)
+				wc := make([]byte, 32)
+				wc[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
+				wc[31] = byte(0)
+				dep := stateTesting.GeneratePendingDeposit(t, sk, params.BeaconConfig().MinActivationBalance, bytesutil.ToBytes32(wc), 0)
+				require.NoError(t, st.SetPendingDeposits([]*eth.PendingDeposit{dep}))
+				require.Equal(t, 0, len(st.Validators()))
+				require.Equal(t, 0, len(st.Balances()))
+				return st
+			}(),
+			check: func(t *testing.T, st state.BeaconState) {
+				res, err := st.DepositBalanceToConsume()
+				require.NoError(t, err)
+				require.Equal(t, primitives.Gwei(0), res)
+				b, err := st.BalanceAtIndex(0)
+				require.NoError(t, err)
+				require.Equal(t, params.BeaconConfig().MinActivationBalance, b)
+
+				// All of the balance deposits should have been processed.
+				remaining, err := st.PendingDeposits()
+				require.NoError(t, err)
+				require.Equal(t, 0, len(remaining))
+
+				// validator becomes active
+				require.Equal(t, 1, len(st.Validators()))
+				require.Equal(t, 1, len(st.Balances()))
+			},
+		},
+		{
+			name: "process excess balance that uses a point to infinity signature, processed as a topup",
+			state: func() state.BeaconState {
+				excessBalance := uint64(100)
+				st := stateWithActiveBalanceETH(t, 32)
+				validators := st.Validators()
+				sk, err := bls.RandKey()
+				require.NoError(t, err)
+				wc := make([]byte, 32)
+				wc[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
+				wc[31] = byte(0)
+				validators[0].PublicKey = sk.PublicKey().Marshal()
+				validators[0].WithdrawalCredentials = wc
+				dep := stateTesting.GeneratePendingDeposit(t, sk, excessBalance, bytesutil.ToBytes32(wc), 0)
+				dep.Signature = common.InfiniteSignature[:]
+				require.NoError(t, st.SetValidators(validators))
+				require.NoError(t, st.SetPendingDeposits([]*eth.PendingDeposit{dep}))
+				return st
+			}(),
+			check: func(t *testing.T, st state.BeaconState) {
+				res, err := st.DepositBalanceToConsume()
+				require.NoError(t, err)
+				require.Equal(t, primitives.Gwei(0), res)
+				b, err := st.BalanceAtIndex(0)
+				require.NoError(t, err)
+				require.Equal(t, params.BeaconConfig().MinActivationBalance+uint64(100), b)
+
+				// All of the balance deposits should have been processed.
+				remaining, err := st.PendingDeposits()
 				require.NoError(t, err)
 				require.Equal(t, 0, len(remaining))
 			},
@@ -116,17 +197,10 @@ func TestProcessPendingBalanceDeposits(t *testing.T) {
 		{
 			name: "exiting validator deposit postponed",
 			state: func() state.BeaconState {
-				st := stateWithActiveBalanceETH(t, 1_000)
-				require.NoError(t, st.SetDepositBalanceToConsume(0))
 				amountAvailForProcessing := helpers.ActivationExitChurnLimit(1_000 * 1e9)
-				deps := make([]*eth.PendingBalanceDeposit, 5)
-				for i := 0; i < len(deps); i += 1 {
-					deps[i] = &eth.PendingBalanceDeposit{
-						Amount: uint64(amountAvailForProcessing) / 5,
-						Index:  primitives.ValidatorIndex(i),
-					}
-				}
-				require.NoError(t, st.SetPendingBalanceDeposits(deps))
+				depositAmount := uint64(amountAvailForProcessing) / 5
+				st := stateWithPendingDeposits(t, 1_000, 5, depositAmount)
+				require.NoError(t, st.SetDepositBalanceToConsume(0))
 				v, err := st.ValidatorAtIndex(0)
 				require.NoError(t, err)
 				v.ExitEpoch = 10
@@ -148,7 +222,7 @@ func TestProcessPendingBalanceDeposits(t *testing.T) {
 
 				// All of the balance deposits should have been processed, except validator index 0 was
 				// added back to the pending deposits queue.
-				remaining, err := st.PendingBalanceDeposits()
+				remaining, err := st.PendingDeposits()
 				require.NoError(t, err)
 				require.Equal(t, 1, len(remaining))
 			},
@@ -156,15 +230,7 @@ func TestProcessPendingBalanceDeposits(t *testing.T) {
 		{
 			name: "exited validator balance increased",
 			state: func() state.BeaconState {
-				st := stateWithActiveBalanceETH(t, 1_000)
-				deps := make([]*eth.PendingBalanceDeposit, 1)
-				for i := 0; i < len(deps); i += 1 {
-					deps[i] = &eth.PendingBalanceDeposit{
-						Amount: 1_000_000,
-						Index:  primitives.ValidatorIndex(i),
-					}
-				}
-				require.NoError(t, st.SetPendingBalanceDeposits(deps))
+				st := stateWithPendingDeposits(t, 1_000, 1, 1_000_000)
 				v, err := st.ValidatorAtIndex(0)
 				require.NoError(t, err)
 				v.ExitEpoch = 2
@@ -182,7 +248,7 @@ func TestProcessPendingBalanceDeposits(t *testing.T) {
 				require.Equal(t, uint64(1_100_000), b)
 
 				// All of the balance deposits should have been processed.
-				remaining, err := st.PendingBalanceDeposits()
+				remaining, err := st.PendingDeposits()
 				require.NoError(t, err)
 				require.Equal(t, 0, len(remaining))
 			},
@@ -199,7 +265,7 @@ func TestProcessPendingBalanceDeposits(t *testing.T) {
 				tab, err = helpers.TotalActiveBalance(tt.state)
 			}
 			require.NoError(t, err)
-			err = electra.ProcessPendingBalanceDeposits(context.TODO(), tt.state, primitives.Gwei(tab))
+			err = electra.ProcessPendingDeposits(context.TODO(), tt.state, primitives.Gwei(tab))
 			require.Equal(t, tt.wantErr, err != nil, "wantErr=%v, got err=%s", tt.wantErr, err)
 			if tt.check != nil {
 				tt.check(t, tt.state)
@@ -208,6 +274,27 @@ func TestProcessPendingBalanceDeposits(t *testing.T) {
 	}
 }
 
+func TestBatchProcessNewPendingDeposits(t *testing.T) {
+	t.Run("invalid batch initiates correct individual validation", func(t *testing.T) {
+		st := stateWithActiveBalanceETH(t, 0)
+		require.Equal(t, 0, len(st.Validators()))
+		require.Equal(t, 0, len(st.Balances()))
+		sk, err := bls.RandKey()
+		require.NoError(t, err)
+		wc := make([]byte, 32)
+		wc[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
+		wc[31] = byte(0)
+		validDep := stateTesting.GeneratePendingDeposit(t, sk, params.BeaconConfig().MinActivationBalance, bytesutil.ToBytes32(wc), 0)
+		invalidDep := &eth.PendingDeposit{}
+		// have a combination of valid and invalid deposits
+		deps := []*eth.PendingDeposit{validDep, invalidDep}
+		require.NoError(t, electra.BatchProcessNewPendingDeposits(context.Background(), st, deps))
+		// successfully added to register
+		require.Equal(t, 1, len(st.Validators()))
+		require.Equal(t, 1, len(st.Balances()))
+	})
+}
+
 func TestProcessDepositRequests(t *testing.T) {
 	st, _ := util.DeterministicGenesisStateElectra(t, 1)
 	sk, err := bls.RandKey()
@@ -220,7 +307,7 @@ func TestProcessDepositRequests(t *testing.T) {
 	})
 	t.Run("nil request errors", func(t *testing.T) {
 		_, err = electra.ProcessDepositRequests(context.Background(), st, []*enginev1.DepositRequest{nil})
-		require.ErrorContains(t, "got a nil DepositRequest", err)
+		require.ErrorContains(t, "nil deposit request", err)
 	})
 
 	vals := st.Validators()
@@ -230,7 +317,7 @@ func TestProcessDepositRequests(t *testing.T) {
 	bals := st.Balances()
 	bals[0] = params.BeaconConfig().MinActivationBalance + 2000
 	require.NoError(t, st.SetBalances(bals))
-	require.NoError(t, st.SetPendingBalanceDeposits(make([]*eth.PendingBalanceDeposit, 0))) // reset pbd as the determinitstic state populates this already
+	require.NoError(t, st.SetPendingDeposits(make([]*eth.PendingDeposit, 0))) // reset pbd as the determinitstic state populates this already
 	withdrawalCred := make([]byte, 32)
 	withdrawalCred[0] = params.BeaconConfig().CompoundingWithdrawalPrefixByte
 	depositMessage := &eth.DepositMessage{
@@ -255,11 +342,10 @@ func TestProcessDepositRequests(t *testing.T) {
 	st, err = electra.ProcessDepositRequests(context.Background(), st, requests)
 	require.NoError(t, err)
 
-	pbd, err := st.PendingBalanceDeposits()
+	pbd, err := st.PendingDeposits()
 	require.NoError(t, err)
-	require.Equal(t, 2, len(pbd))
+	require.Equal(t, 1, len(pbd))
 	require.Equal(t, uint64(1000), pbd[0].Amount)
-	require.Equal(t, uint64(2000), pbd[1].Amount)
 }
 
 func TestProcessDeposit_Electra_Simple(t *testing.T) {
@@ -286,7 +372,7 @@ func TestProcessDeposit_Electra_Simple(t *testing.T) {
 	require.NoError(t, err)
 	pdSt, err := electra.ProcessDeposits(context.Background(), st, deps)
 	require.NoError(t, err)
-	pbd, err := pdSt.PendingBalanceDeposits()
+	pbd, err := pdSt.PendingDeposits()
 	require.NoError(t, err)
 	require.Equal(t, params.BeaconConfig().MinActivationBalance, pbd[2].Amount)
 	require.Equal(t, 3, len(pbd))
@@ -322,7 +408,7 @@ func TestProcessDeposit_SkipsInvalidDeposit(t *testing.T) {
 		},
 	})
 	require.NoError(t, err)
-	newState, err := electra.ProcessDeposit(beaconState, dep[0], true)
+	newState, err := electra.ProcessDeposit(beaconState, dep[0], false)
 	require.NoError(t, err, "Expected invalid block deposit to be ignored without error")
 
 	if newState.Eth1DepositIndex() != 1 {
@@ -359,42 +445,128 @@ func TestApplyDeposit_TopUps_WithBadSignature(t *testing.T) {
 	vals[0].PublicKey = sk.PublicKey().Marshal()
 	vals[0].WithdrawalCredentials[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
 	require.NoError(t, st.SetValidators(vals))
-	adSt, err := electra.ApplyDeposit(st, depositData, true)
+	adSt, err := electra.ApplyDeposit(st, depositData, false)
 	require.NoError(t, err)
-	pbd, err := adSt.PendingBalanceDeposits()
+	pbd, err := adSt.PendingDeposits()
 	require.NoError(t, err)
 	require.Equal(t, 1, len(pbd))
 	require.Equal(t, topUpAmount, pbd[0].Amount)
 }
 
-func TestApplyDeposit_Electra_SwitchToCompoundingValidator(t *testing.T) {
-	st, _ := util.DeterministicGenesisStateElectra(t, 3)
+// stateWithActiveBalanceETH generates a mock beacon state given a balance in eth
+func stateWithActiveBalanceETH(t *testing.T, balETH uint64) state.BeaconState {
+	gwei := balETH * 1_000_000_000
+	balPerVal := params.BeaconConfig().MinActivationBalance
+	numVals := gwei / balPerVal
+
+	vals := make([]*eth.Validator, numVals)
+	bals := make([]uint64, numVals)
+	for i := uint64(0); i < numVals; i++ {
+		wc := make([]byte, 32)
+		wc[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
+		wc[31] = byte(i)
+		vals[i] = &eth.Validator{
+			ActivationEpoch:       0,
+			ExitEpoch:             params.BeaconConfig().FarFutureEpoch,
+			EffectiveBalance:      balPerVal,
+			WithdrawalCredentials: wc,
+			WithdrawableEpoch:     params.BeaconConfig().FarFutureEpoch,
+		}
+		bals[i] = balPerVal
+	}
+	st, err := state_native.InitializeFromProtoUnsafeElectra(&eth.BeaconStateElectra{
+		Slot:       10 * params.BeaconConfig().SlotsPerEpoch,
+		Validators: vals,
+		Balances:   bals,
+		Fork: &eth.Fork{
+			CurrentVersion: params.BeaconConfig().ElectraForkVersion,
+		},
+	})
+	require.NoError(t, err)
+	// set some fake finalized checkpoint
+	require.NoError(t, st.SetFinalizedCheckpoint(&eth.Checkpoint{
+		Epoch: 0,
+		Root:  make([]byte, 32),
+	}))
+	return st
+}
+
+// stateWithPendingDeposits with pending deposits and existing ethbalance
+func stateWithPendingDeposits(t *testing.T, balETH uint64, numDeposits, amount uint64) state.BeaconState {
+	st := stateWithActiveBalanceETH(t, balETH)
+	deps := make([]*eth.PendingDeposit, numDeposits)
+	validators := st.Validators()
+	for i := 0; i < len(deps); i += 1 {
+		sk, err := bls.RandKey()
+		require.NoError(t, err)
+		wc := make([]byte, 32)
+		wc[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
+		wc[31] = byte(i)
+		validators[i].PublicKey = sk.PublicKey().Marshal()
+		validators[i].WithdrawalCredentials = wc
+		deps[i] = stateTesting.GeneratePendingDeposit(t, sk, amount, bytesutil.ToBytes32(wc), 0)
+	}
+	require.NoError(t, st.SetValidators(validators))
+	require.NoError(t, st.SetPendingDeposits(deps))
+	return st
+}
+
+func TestApplyPendingDeposit_TopUp(t *testing.T) {
+	excessBalance := uint64(100)
+	st := stateWithActiveBalanceETH(t, 32)
+	validators := st.Validators()
 	sk, err := bls.RandKey()
 	require.NoError(t, err)
-	withdrawalCred := make([]byte, 32)
-	withdrawalCred[0] = params.BeaconConfig().CompoundingWithdrawalPrefixByte
-	depositData := &eth.Deposit_Data{
-		PublicKey:             sk.PublicKey().Marshal(),
-		Amount:                1000,
-		WithdrawalCredentials: withdrawalCred,
-		Signature:             make([]byte, fieldparams.BLSSignatureLength),
-	}
-	vals := st.Validators()
-	vals[0].PublicKey = sk.PublicKey().Marshal()
-	vals[0].WithdrawalCredentials[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
-	require.NoError(t, st.SetValidators(vals))
-	bals := st.Balances()
-	bals[0] = params.BeaconConfig().MinActivationBalance + 2000
-	require.NoError(t, st.SetBalances(bals))
-	sr, err := signing.ComputeSigningRoot(depositData, bytesutil.ToBytes(3, 32))
+	wc := make([]byte, 32)
+	wc[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
+	wc[31] = byte(0)
+	validators[0].PublicKey = sk.PublicKey().Marshal()
+	validators[0].WithdrawalCredentials = wc
+	dep := stateTesting.GeneratePendingDeposit(t, sk, excessBalance, bytesutil.ToBytes32(wc), 0)
+	dep.Signature = common.InfiniteSignature[:]
+	require.NoError(t, st.SetValidators(validators))
+
+	require.NoError(t, electra.ApplyPendingDeposit(context.Background(), st, dep))
+
+	b, err := st.BalanceAtIndex(0)
 	require.NoError(t, err)
-	sig := sk.Sign(sr[:])
-	depositData.Signature = sig.Marshal()
-	adSt, err := electra.ApplyDeposit(st, depositData, false)
-	require.NoError(t, err)
-	pbd, err := adSt.PendingBalanceDeposits()
-	require.NoError(t, err)
-	require.Equal(t, 2, len(pbd))
-	require.Equal(t, uint64(1000), pbd[0].Amount)
-	require.Equal(t, uint64(2000), pbd[1].Amount)
+	require.Equal(t, params.BeaconConfig().MinActivationBalance+uint64(excessBalance), b)
+}
+
+func TestApplyPendingDeposit_UnknownKey(t *testing.T) {
+	st := stateWithActiveBalanceETH(t, 0)
+	sk, err := bls.RandKey()
+	require.NoError(t, err)
+	wc := make([]byte, 32)
+	wc[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
+	wc[31] = byte(0)
+	dep := stateTesting.GeneratePendingDeposit(t, sk, params.BeaconConfig().MinActivationBalance, bytesutil.ToBytes32(wc), 0)
+	require.Equal(t, 0, len(st.Validators()))
+	require.NoError(t, electra.ApplyPendingDeposit(context.Background(), st, dep))
+	// activates new validator
+	require.Equal(t, 1, len(st.Validators()))
+	b, err := st.BalanceAtIndex(0)
+	require.NoError(t, err)
+	require.Equal(t, params.BeaconConfig().MinActivationBalance, b)
+}
+
+func TestApplyPendingDeposit_InvalidSignature(t *testing.T) {
+	st := stateWithActiveBalanceETH(t, 0)
+
+	sk, err := bls.RandKey()
+	require.NoError(t, err)
+	wc := make([]byte, 32)
+	wc[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
+	wc[31] = byte(0)
+	dep := &eth.PendingDeposit{
+		PublicKey:             sk.PublicKey().Marshal(),
+		WithdrawalCredentials: wc,
+		Amount:                100,
+	}
+	require.Equal(t, 0, len(st.Validators()))
+	require.NoError(t, electra.ApplyPendingDeposit(context.Background(), st, dep))
+	// no validator added
+	require.Equal(t, 0, len(st.Validators()))
+	// no topup either
+	require.Equal(t, 0, len(st.Balances()))
 }

beacon-chain/core/electra/export_test.go

@@ -0,0 +1,3 @@
+package electra
+
+var BatchProcessNewPendingDeposits = batchProcessNewPendingDeposits

beacon-chain/core/electra/transition.go

@@ -12,7 +12,7 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/interfaces"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
-	"go.opencensus.io/trace"
+	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 )
 
 // Re-exports for methods that haven't changed in Electra.
@@ -44,7 +44,7 @@ var (
 //	    process_registry_updates(state)
 //	    process_slashings(state)
 //	    process_eth1_data_reset(state)
-//	    process_pending_balance_deposits(state)  # New in EIP7251
+//	    process_pending_deposits(state)  # New in EIP7251
 //	    process_pending_consolidations(state)  # New in EIP7251
 //	    process_effective_balance_updates(state)
 //	    process_slashings_reset(state)
@@ -94,7 +94,7 @@ func ProcessEpoch(ctx context.Context, state state.BeaconState) error {
 		return err
 	}
 
-	if err = ProcessPendingBalanceDeposits(ctx, state, primitives.Gwei(bp.ActiveCurrentEpoch)); err != nil {
+	if err = ProcessPendingDeposits(ctx, state, primitives.Gwei(bp.ActiveCurrentEpoch)); err != nil {
 		return err
 	}
 	if err = ProcessPendingConsolidations(ctx, state); err != nil {

beacon-chain/core/electra/transition_no_verify_sig.go

@@ -78,23 +78,19 @@ func ProcessOperations(
 		return nil, errors.Wrap(err, "could not process bls-to-execution changes")
 	}
 	// new in electra
-	e, err := bb.Execution()
+	requests, err := bb.ExecutionRequests()
 	if err != nil {
-		return nil, errors.Wrap(err, "could not get execution data from block")
+		return nil, errors.Wrap(err, "could not get execution requests")
 	}
-	exe, ok := e.(interfaces.ExecutionDataElectra)
-	if !ok {
-		return nil, errors.New("could not cast execution data to electra execution data")
-	}
-	st, err = ProcessDepositRequests(ctx, st, exe.DepositRequests())
+	st, err = ProcessDepositRequests(ctx, st, requests.Deposits)
 	if err != nil {
 		return nil, errors.Wrap(err, "could not process deposit receipts")
 	}
-	st, err = ProcessWithdrawalRequests(ctx, st, exe.WithdrawalRequests())
+	st, err = ProcessWithdrawalRequests(ctx, st, requests.Withdrawals)
 	if err != nil {
 		return nil, errors.Wrap(err, "could not process execution layer withdrawal requests")
 	}
-	if err := ProcessConsolidationRequests(ctx, st, exe.ConsolidationRequests()); err != nil {
+	if err := ProcessConsolidationRequests(ctx, st, requests.Consolidations); err != nil {
 		return nil, fmt.Errorf("could not process consolidation requests: %w", err)
 	}
 	return st, nil

beacon-chain/core/electra/transition_test.go

@@ -57,14 +57,17 @@ func TestProcessEpoch_CanProcessElectra(t *testing.T) {
 	require.NoError(t, st.SetSlot(10*params.BeaconConfig().SlotsPerEpoch))
 	require.NoError(t, st.SetDepositBalanceToConsume(100))
 	amountAvailForProcessing := helpers.ActivationExitChurnLimit(1_000 * 1e9)
-	deps := make([]*ethpb.PendingBalanceDeposit, 20)
+	validators := st.Validators()
+	deps := make([]*ethpb.PendingDeposit, 20)
 	for i := 0; i < len(deps); i += 1 {
-		deps[i] = &ethpb.PendingBalanceDeposit{
-			Amount: uint64(amountAvailForProcessing) / 10,
-			Index:  primitives.ValidatorIndex(i),
+		deps[i] = &ethpb.PendingDeposit{
+			PublicKey:             validators[i].PublicKey,
+			WithdrawalCredentials: validators[i].WithdrawalCredentials,
+			Amount:                uint64(amountAvailForProcessing) / 10,
+			Slot:                  0,
 		}
 	}
-	require.NoError(t, st.SetPendingBalanceDeposits(deps))
+	require.NoError(t, st.SetPendingDeposits(deps))
 	require.NoError(t, st.SetPendingConsolidations([]*ethpb.PendingConsolidation{
 		{
 			SourceIndex: 2,
@@ -108,7 +111,7 @@ func TestProcessEpoch_CanProcessElectra(t *testing.T) {
 	require.Equal(t, primitives.Gwei(100), res)
 
 	// Half of the balance deposits should have been processed.
-	remaining, err := st.PendingBalanceDeposits()
+	remaining, err := st.PendingDeposits()
 	require.NoError(t, err)
 	require.Equal(t, 10, len(remaining))
 

beacon-chain/core/electra/upgrade.go

@@ -10,7 +10,6 @@ import (
 	state_native "github.com/prysmaticlabs/prysm/v5/beacon-chain/state/state-native"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
 	enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 	"github.com/prysmaticlabs/prysm/v5/time/slots"
@@ -102,7 +101,7 @@ import (
 //	    earliest_exit_epoch=earliest_exit_epoch,
 //	    consolidation_balance_to_consume=0,
 //	    earliest_consolidation_epoch=compute_activation_exit_epoch(get_current_epoch(pre)),
-//	    pending_balance_deposits=[],
+//	    pending_deposits=[],
 //	    pending_partial_withdrawals=[],
 //	    pending_consolidations=[],
 //	)
@@ -245,26 +244,23 @@ func UpgradeToElectra(beaconState state.BeaconState) (state.BeaconState, error)
 		CurrentSyncCommittee:        currentSyncCommittee,
 		NextSyncCommittee:           nextSyncCommittee,
 		LatestExecutionPayloadHeader: &enginev1.ExecutionPayloadHeaderElectra{
-			ParentHash:                payloadHeader.ParentHash(),
-			FeeRecipient:              payloadHeader.FeeRecipient(),
-			StateRoot:                 payloadHeader.StateRoot(),
-			ReceiptsRoot:              payloadHeader.ReceiptsRoot(),
-			LogsBloom:                 payloadHeader.LogsBloom(),
-			PrevRandao:                payloadHeader.PrevRandao(),
-			BlockNumber:               payloadHeader.BlockNumber(),
-			GasLimit:                  payloadHeader.GasLimit(),
-			GasUsed:                   payloadHeader.GasUsed(),
-			Timestamp:                 payloadHeader.Timestamp(),
-			ExtraData:                 payloadHeader.ExtraData(),
-			BaseFeePerGas:             payloadHeader.BaseFeePerGas(),
-			BlockHash:                 payloadHeader.BlockHash(),
-			TransactionsRoot:          txRoot,
-			WithdrawalsRoot:           wdRoot,
-			ExcessBlobGas:             excessBlobGas,
-			BlobGasUsed:               blobGasUsed,
-			DepositRequestsRoot:       bytesutil.Bytes32(0), // [New in Electra:EIP6110]
-			WithdrawalRequestsRoot:    bytesutil.Bytes32(0), // [New in Electra:EIP7002]
-			ConsolidationRequestsRoot: bytesutil.Bytes32(0), // [New in Electra:EIP7251]
+			ParentHash:       payloadHeader.ParentHash(),
+			FeeRecipient:     payloadHeader.FeeRecipient(),
+			StateRoot:        payloadHeader.StateRoot(),
+			ReceiptsRoot:     payloadHeader.ReceiptsRoot(),
+			LogsBloom:        payloadHeader.LogsBloom(),
+			PrevRandao:       payloadHeader.PrevRandao(),
+			BlockNumber:      payloadHeader.BlockNumber(),
+			GasLimit:         payloadHeader.GasLimit(),
+			GasUsed:          payloadHeader.GasUsed(),
+			Timestamp:        payloadHeader.Timestamp(),
+			ExtraData:        payloadHeader.ExtraData(),
+			BaseFeePerGas:    payloadHeader.BaseFeePerGas(),
+			BlockHash:        payloadHeader.BlockHash(),
+			TransactionsRoot: txRoot,
+			WithdrawalsRoot:  wdRoot,
+			ExcessBlobGas:    excessBlobGas,
+			BlobGasUsed:      blobGasUsed,
 		},
 		NextWithdrawalIndex:          wi,
 		NextWithdrawalValidatorIndex: vi,
@@ -276,7 +272,7 @@ func UpgradeToElectra(beaconState state.BeaconState) (state.BeaconState, error)
 		EarliestExitEpoch:             earliestExitEpoch,
 		ConsolidationBalanceToConsume: helpers.ConsolidationChurnLimit(primitives.Gwei(tab)),
 		EarliestConsolidationEpoch:    helpers.ActivationExitEpoch(slots.ToEpoch(beaconState.Slot())),
-		PendingBalanceDeposits:        make([]*ethpb.PendingBalanceDeposit, 0),
+		PendingDeposits:               make([]*ethpb.PendingDeposit, 0),
 		PendingPartialWithdrawals:     make([]*ethpb.PendingPartialWithdrawal, 0),
 		PendingConsolidations:         make([]*ethpb.PendingConsolidation, 0),
 	}

beacon-chain/core/electra/upgrade_test.go

@@ -8,7 +8,6 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/time"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
 	enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 	"github.com/prysmaticlabs/prysm/v5/testing/require"
@@ -113,24 +112,21 @@ func TestUpgradeToElectra(t *testing.T) {
 	wdRoot, err := prevHeader.WithdrawalsRoot()
 	require.NoError(t, err)
 	wanted := &enginev1.ExecutionPayloadHeaderElectra{
-		ParentHash:                prevHeader.ParentHash(),
-		FeeRecipient:              prevHeader.FeeRecipient(),
-		StateRoot:                 prevHeader.StateRoot(),
-		ReceiptsRoot:              prevHeader.ReceiptsRoot(),
-		LogsBloom:                 prevHeader.LogsBloom(),
-		PrevRandao:                prevHeader.PrevRandao(),
-		BlockNumber:               prevHeader.BlockNumber(),
-		GasLimit:                  prevHeader.GasLimit(),
-		GasUsed:                   prevHeader.GasUsed(),
-		Timestamp:                 prevHeader.Timestamp(),
-		ExtraData:                 prevHeader.ExtraData(),
-		BaseFeePerGas:             prevHeader.BaseFeePerGas(),
-		BlockHash:                 prevHeader.BlockHash(),
-		TransactionsRoot:          txRoot,
-		WithdrawalsRoot:           wdRoot,
-		DepositRequestsRoot:       bytesutil.Bytes32(0),
-		WithdrawalRequestsRoot:    bytesutil.Bytes32(0),
-		ConsolidationRequestsRoot: bytesutil.Bytes32(0),
+		ParentHash:       prevHeader.ParentHash(),
+		FeeRecipient:     prevHeader.FeeRecipient(),
+		StateRoot:        prevHeader.StateRoot(),
+		ReceiptsRoot:     prevHeader.ReceiptsRoot(),
+		LogsBloom:        prevHeader.LogsBloom(),
+		PrevRandao:       prevHeader.PrevRandao(),
+		BlockNumber:      prevHeader.BlockNumber(),
+		GasLimit:         prevHeader.GasLimit(),
+		GasUsed:          prevHeader.GasUsed(),
+		Timestamp:        prevHeader.Timestamp(),
+		ExtraData:        prevHeader.ExtraData(),
+		BaseFeePerGas:    prevHeader.BaseFeePerGas(),
+		BlockHash:        prevHeader.BlockHash(),
+		TransactionsRoot: txRoot,
+		WithdrawalsRoot:  wdRoot,
 	}
 	require.DeepEqual(t, wanted, protoHeader)
 
@@ -173,10 +169,10 @@ func TestUpgradeToElectra(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, helpers.ActivationExitEpoch(slots.ToEpoch(preForkState.Slot())), earliestConsolidationEpoch)
 
-	pendingBalanceDeposits, err := mSt.PendingBalanceDeposits()
+	pendingDeposits, err := mSt.PendingDeposits()
 	require.NoError(t, err)
-	require.Equal(t, 2, len(pendingBalanceDeposits))
-	require.Equal(t, uint64(1000), pendingBalanceDeposits[1].Amount)
+	require.Equal(t, 2, len(pendingDeposits))
+	require.Equal(t, uint64(1000), pendingDeposits[1].Amount)
 
 	numPendingPartialWithdrawals, err := mSt.NumPendingPartialWithdrawals()
 	require.NoError(t, err)

beacon-chain/core/electra/validator.go

@@ -3,87 +3,22 @@ package electra
 import (
 	"errors"
 
-	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/helpers"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/state"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
-	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
+	"github.com/prysmaticlabs/prysm/v5/crypto/bls/common"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 )
 
-// AddValidatorToRegistry updates the beacon state with validator information
-// def add_validator_to_registry(state: BeaconState,
-//
-//	                          pubkey: BLSPubkey,
-//	                          withdrawal_credentials: Bytes32,
-//	                          amount: uint64) -> None:
-//	index = get_index_for_new_validator(state)
-//	validator = get_validator_from_deposit(pubkey, withdrawal_credentials)
-//	set_or_append_list(state.validators, index, validator)
-//	set_or_append_list(state.balances, index, 0)  # [Modified in Electra:EIP7251]
-//	set_or_append_list(state.previous_epoch_participation, index, ParticipationFlags(0b0000_0000))
-//	set_or_append_list(state.current_epoch_participation, index, ParticipationFlags(0b0000_0000))
-//	set_or_append_list(state.inactivity_scores, index, uint64(0))
-//	state.pending_balance_deposits.append(PendingBalanceDeposit(index=index, amount=amount))  # [New in Electra:EIP7251]
-func AddValidatorToRegistry(beaconState state.BeaconState, pubKey []byte, withdrawalCredentials []byte, amount uint64) error {
-	val := ValidatorFromDeposit(pubKey, withdrawalCredentials)
-	if err := beaconState.AppendValidator(val); err != nil {
-		return err
-	}
-	index, ok := beaconState.ValidatorIndexByPubkey(bytesutil.ToBytes48(pubKey))
-	if !ok {
-		return errors.New("could not find validator in registry")
-	}
-	if err := beaconState.AppendBalance(0); err != nil {
-		return err
-	}
-	if err := beaconState.AppendPendingBalanceDeposit(index, amount); err != nil {
-		return err
-	}
-	if err := beaconState.AppendInactivityScore(0); err != nil {
-		return err
-	}
-	if err := beaconState.AppendPreviousParticipationBits(0); err != nil {
-		return err
-	}
-	return beaconState.AppendCurrentParticipationBits(0)
-}
-
-// ValidatorFromDeposit gets a new validator object with provided parameters
-//
-// def get_validator_from_deposit(pubkey: BLSPubkey, withdrawal_credentials: Bytes32) -> Validator:
-//
-//	return Validator(
-//	pubkey=pubkey,
-//	withdrawal_credentials=withdrawal_credentials,
-//	activation_eligibility_epoch=FAR_FUTURE_EPOCH,
-//	activation_epoch=FAR_FUTURE_EPOCH,
-//	exit_epoch=FAR_FUTURE_EPOCH,
-//	withdrawable_epoch=FAR_FUTURE_EPOCH,
-//	effective_balance=0,  # [Modified in Electra:EIP7251]
-//
-// )
-func ValidatorFromDeposit(pubKey []byte, withdrawalCredentials []byte) *ethpb.Validator {
-	return &ethpb.Validator{
-		PublicKey:                  pubKey,
-		WithdrawalCredentials:      withdrawalCredentials,
-		ActivationEligibilityEpoch: params.BeaconConfig().FarFutureEpoch,
-		ActivationEpoch:            params.BeaconConfig().FarFutureEpoch,
-		ExitEpoch:                  params.BeaconConfig().FarFutureEpoch,
-		WithdrawableEpoch:          params.BeaconConfig().FarFutureEpoch,
-		EffectiveBalance:           0, // [Modified in Electra:EIP7251]
-	}
-}
-
 // SwitchToCompoundingValidator
 //
 // Spec definition:
 //
-//	 def switch_to_compounding_validator(state: BeaconState, index: ValidatorIndex) -> None:
-//		validator = state.validators[index]
-//		if has_eth1_withdrawal_credential(validator):
-//		    validator.withdrawal_credentials = COMPOUNDING_WITHDRAWAL_PREFIX + validator.withdrawal_credentials[1:]
-//		    queue_excess_active_balance(state, index)
+// def switch_to_compounding_validator(state: BeaconState, index: ValidatorIndex) -> None:
+//
+//	validator = state.validators[index]
+//	validator.withdrawal_credentials = COMPOUNDING_WITHDRAWAL_PREFIX + validator.withdrawal_credentials[1:]
+//	queue_excess_active_balance(state, index)
 func SwitchToCompoundingValidator(s state.BeaconState, idx primitives.ValidatorIndex) error {
 	v, err := s.ValidatorAtIndex(idx)
 	if err != nil {
@@ -92,28 +27,32 @@ func SwitchToCompoundingValidator(s state.BeaconState, idx primitives.ValidatorI
 	if len(v.WithdrawalCredentials) == 0 {
 		return errors.New("validator has no withdrawal credentials")
 	}
-	if helpers.HasETH1WithdrawalCredential(v) {
-		v.WithdrawalCredentials[0] = params.BeaconConfig().CompoundingWithdrawalPrefixByte
-		if err := s.UpdateValidatorAtIndex(idx, v); err != nil {
-			return err
-		}
-		return QueueExcessActiveBalance(s, idx)
+
+	v.WithdrawalCredentials[0] = params.BeaconConfig().CompoundingWithdrawalPrefixByte
+	if err := s.UpdateValidatorAtIndex(idx, v); err != nil {
+		return err
 	}
-	return nil
+	return QueueExcessActiveBalance(s, idx)
 }
 
-// QueueExcessActiveBalance queues validators with balances above the min activation balance and adds to pending balance deposit.
+// QueueExcessActiveBalance queues validators with balances above the min activation balance and adds to pending deposit.
 //
 // Spec definition:
 //
-//	def queue_excess_active_balance(state: BeaconState, index: ValidatorIndex) -> None:
-//	    balance = state.balances[index]
-//	    if balance > MIN_ACTIVATION_BALANCE:
-//	        excess_balance = balance - MIN_ACTIVATION_BALANCE
-//	        state.balances[index] = MIN_ACTIVATION_BALANCE
-//	        state.pending_balance_deposits.append(
-//	            PendingBalanceDeposit(index=index, amount=excess_balance)
-//	        )
+// def queue_excess_active_balance(state: BeaconState, index: ValidatorIndex) -> None:
+//
+//	balance = state.balances[index]
+//	if balance > MIN_ACTIVATION_BALANCE:
+//		excess_balance = balance - MIN_ACTIVATION_BALANCE
+//		state.balances[index] = MIN_ACTIVATION_BALANCE
+//		validator = state.validators[index]
+//	 state.pending_deposits.append(PendingDeposit(
+//	   pubkey=validator.pubkey,
+//	   withdrawal_credentials=validator.withdrawal_credentials,
+//	   amount=excess_balance,
+//	   signature=bls.G2_POINT_AT_INFINITY,
+//	   slot=GENESIS_SLOT,
+//	 ))
 func QueueExcessActiveBalance(s state.BeaconState, idx primitives.ValidatorIndex) error {
 	bal, err := s.BalanceAtIndex(idx)
 	if err != nil {
@@ -121,11 +60,22 @@ func QueueExcessActiveBalance(s state.BeaconState, idx primitives.ValidatorIndex
 	}
 
 	if bal > params.BeaconConfig().MinActivationBalance {
-		excessBalance := bal - params.BeaconConfig().MinActivationBalance
 		if err := s.UpdateBalancesAtIndex(idx, params.BeaconConfig().MinActivationBalance); err != nil {
 			return err
 		}
-		return s.AppendPendingBalanceDeposit(idx, excessBalance)
+		excessBalance := bal - params.BeaconConfig().MinActivationBalance
+		val, err := s.ValidatorAtIndexReadOnly(idx)
+		if err != nil {
+			return err
+		}
+		pk := val.PublicKey()
+		return s.AppendPendingDeposit(&ethpb.PendingDeposit{
+			PublicKey:             pk[:],
+			WithdrawalCredentials: val.GetWithdrawalCredentials(),
+			Amount:                excessBalance,
+			Signature:             common.InfiniteSignature[:],
+			Slot:                  params.BeaconConfig().GenesisSlot,
+		})
 	}
 	return nil
 }
@@ -134,15 +84,21 @@ func QueueExcessActiveBalance(s state.BeaconState, idx primitives.ValidatorIndex
 //
 // Spec definition:
 //
-//	def queue_entire_balance_and_reset_validator(state: BeaconState, index: ValidatorIndex) -> None:
-//	    balance = state.balances[index]
-//	    state.balances[index] = 0
-//	    validator = state.validators[index]
-//	    validator.effective_balance = 0
-//	    validator.activation_eligibility_epoch = FAR_FUTURE_EPOCH
-//	    state.pending_balance_deposits.append(
-//	        PendingBalanceDeposit(index=index, amount=balance)
-//	    )
+// def queue_entire_balance_and_reset_validator(state: BeaconState, index: ValidatorIndex) -> None:
+//
+//		balance = state.balances[index]
+//		state.balances[index] = 0
+//		validator = state.validators[index]
+//		validator.effective_balance = 0
+//		validator.activation_eligibility_epoch = FAR_FUTURE_EPOCH
+//		state.pending_deposits.append(PendingDeposit(
+//	  		pubkey=validator.pubkey,
+//	  		withdrawal_credentials=validator.withdrawal_credentials,
+//	  		amount=balance,
+//	  		signature=bls.G2_POINT_AT_INFINITY,
+//	  		slot=GENESIS_SLOT,
+//
+// ))
 //
 //nolint:dupword
 func QueueEntireBalanceAndResetValidator(s state.BeaconState, idx primitives.ValidatorIndex) error {
@@ -166,5 +122,11 @@ func QueueEntireBalanceAndResetValidator(s state.BeaconState, idx primitives.Val
 		return err
 	}
 
-	return s.AppendPendingBalanceDeposit(idx, bal)
+	return s.AppendPendingDeposit(&ethpb.PendingDeposit{
+		PublicKey:             v.PublicKey,
+		WithdrawalCredentials: v.WithdrawalCredentials,
+		Amount:                bal,
+		Signature:             common.InfiniteSignature[:],
+		Slot:                  params.BeaconConfig().GenesisSlot,
+	})
 }

beacon-chain/core/electra/validator_test.go

@@ -6,7 +6,6 @@ import (
 
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/electra"
 	state_native "github.com/prysmaticlabs/prysm/v5/beacon-chain/state/state-native"
-	fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	eth "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
@@ -14,20 +13,6 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/testing/util"
 )
 
-func TestAddValidatorToRegistry(t *testing.T) {
-	st, err := state_native.InitializeFromProtoElectra(&eth.BeaconStateElectra{})
-	require.NoError(t, err)
-	require.NoError(t, electra.AddValidatorToRegistry(st, make([]byte, fieldparams.BLSPubkeyLength), make([]byte, fieldparams.RootLength), 100))
-	balances := st.Balances()
-	require.Equal(t, 1, len(balances))
-	require.Equal(t, uint64(0), balances[0])
-	pbds, err := st.PendingBalanceDeposits()
-	require.NoError(t, err)
-	require.Equal(t, 1, len(pbds))
-	require.Equal(t, uint64(100), pbds[0].Amount)
-	require.Equal(t, primitives.ValidatorIndex(0), pbds[0].Index)
-}
-
 func TestSwitchToCompoundingValidator(t *testing.T) {
 	s, err := state_native.InitializeFromProtoElectra(&eth.BeaconStateElectra{
 		Validators: []*eth.Validator{
@@ -60,7 +45,7 @@ func TestSwitchToCompoundingValidator(t *testing.T) {
 	b, err := s.BalanceAtIndex(1)
 	require.NoError(t, err)
 	require.Equal(t, params.BeaconConfig().MinActivationBalance, b, "balance was changed")
-	pbd, err := s.PendingBalanceDeposits()
+	pbd, err := s.PendingDeposits()
 	require.NoError(t, err)
 	require.Equal(t, 0, len(pbd), "pending balance deposits should be empty")
 
@@ -69,11 +54,10 @@ func TestSwitchToCompoundingValidator(t *testing.T) {
 	b, err = s.BalanceAtIndex(2)
 	require.NoError(t, err)
 	require.Equal(t, params.BeaconConfig().MinActivationBalance, b, "balance was not changed")
-	pbd, err = s.PendingBalanceDeposits()
+	pbd, err = s.PendingDeposits()
 	require.NoError(t, err)
 	require.Equal(t, 1, len(pbd), "pending balance deposits should have one element")
 	require.Equal(t, uint64(100_000), pbd[0].Amount, "pending balance deposit amount is incorrect")
-	require.Equal(t, primitives.ValidatorIndex(2), pbd[0].Index, "pending balance deposit index is incorrect")
 }
 
 func TestQueueEntireBalanceAndResetValidator(t *testing.T) {
@@ -97,11 +81,10 @@ func TestQueueEntireBalanceAndResetValidator(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, uint64(0), v.EffectiveBalance, "effective balance was not reset")
 	require.Equal(t, params.BeaconConfig().FarFutureEpoch, v.ActivationEligibilityEpoch, "activation eligibility epoch was not reset")
-	pbd, err := s.PendingBalanceDeposits()
+	pbd, err := s.PendingDeposits()
 	require.NoError(t, err)
 	require.Equal(t, 1, len(pbd), "pending balance deposits should have one element")
 	require.Equal(t, params.BeaconConfig().MinActivationBalance+100_000, pbd[0].Amount, "pending balance deposit amount is incorrect")
-	require.Equal(t, primitives.ValidatorIndex(0), pbd[0].Index, "pending balance deposit index is incorrect")
 }
 
 func TestSwitchToCompoundingValidator_Ok(t *testing.T) {
@@ -114,7 +97,7 @@ func TestSwitchToCompoundingValidator_Ok(t *testing.T) {
 	require.NoError(t, st.SetBalances(bals))
 	require.NoError(t, electra.SwitchToCompoundingValidator(st, 0))
 
-	pbd, err := st.PendingBalanceDeposits()
+	pbd, err := st.PendingDeposits()
 	require.NoError(t, err)
 	require.Equal(t, uint64(1010), pbd[0].Amount) // appends it at the end
 	val, err := st.ValidatorAtIndex(0)
@@ -132,7 +115,7 @@ func TestQueueExcessActiveBalance_Ok(t *testing.T) {
 	err := electra.QueueExcessActiveBalance(st, 0)
 	require.NoError(t, err)
 
-	pbd, err := st.PendingBalanceDeposits()
+	pbd, err := st.PendingDeposits()
 	require.NoError(t, err)
 	require.Equal(t, uint64(1000), pbd[0].Amount) // appends it at the end
 
@@ -149,7 +132,7 @@ func TestQueueEntireBalanceAndResetValidator_Ok(t *testing.T) {
 	err := electra.QueueEntireBalanceAndResetValidator(st, 0)
 	require.NoError(t, err)
 
-	pbd, err := st.PendingBalanceDeposits()
+	pbd, err := st.PendingDeposits()
 	require.NoError(t, err)
 	require.Equal(t, 1, len(pbd))
 	require.Equal(t, params.BeaconConfig().MinActivationBalance-1000, pbd[0].Amount)

beacon-chain/core/electra/withdrawals.go

@@ -12,11 +12,11 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
+	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 	enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 	"github.com/prysmaticlabs/prysm/v5/time/slots"
 	log "github.com/sirupsen/logrus"
-	"go.opencensus.io/trace"
 )
 
 // ProcessWithdrawalRequests processes the validator withdrawals from the provided execution payload
@@ -111,30 +111,31 @@ func ProcessWithdrawalRequests(ctx context.Context, st state.BeaconState, wrs []
 			log.Debugf("Skipping execution layer withdrawal request, validator index for %s not found\n", hexutil.Encode(wr.ValidatorPubkey))
 			continue
 		}
-		validator, err := st.ValidatorAtIndex(vIdx)
+		validator, err := st.ValidatorAtIndexReadOnly(vIdx)
 		if err != nil {
 			return nil, err
 		}
 		// Verify withdrawal credentials
 		hasCorrectCredential := helpers.HasExecutionWithdrawalCredentials(validator)
-		isCorrectSourceAddress := bytes.Equal(validator.WithdrawalCredentials[12:], wr.SourceAddress)
+		wc := validator.GetWithdrawalCredentials()
+		isCorrectSourceAddress := bytes.Equal(wc[12:], wr.SourceAddress)
 		if !hasCorrectCredential || !isCorrectSourceAddress {
 			log.Debugln("Skipping execution layer withdrawal request, wrong withdrawal credentials")
 			continue
 		}
 
 		// Verify the validator is active.
-		if !helpers.IsActiveValidator(validator, currentEpoch) {
+		if !helpers.IsActiveValidatorUsingTrie(validator, currentEpoch) {
 			log.Debugln("Skipping execution layer withdrawal request, validator not active")
 			continue
 		}
 		// Verify the validator has not yet submitted an exit.
-		if validator.ExitEpoch != params.BeaconConfig().FarFutureEpoch {
+		if validator.ExitEpoch() != params.BeaconConfig().FarFutureEpoch {
 			log.Debugln("Skipping execution layer withdrawal request, validator has submitted an exit already")
 			continue
 		}
 		// Verify the validator has been active long enough.
-		if currentEpoch < validator.ActivationEpoch.AddEpoch(params.BeaconConfig().ShardCommitteePeriod) {
+		if currentEpoch < validator.ActivationEpoch().AddEpoch(params.BeaconConfig().ShardCommitteePeriod) {
 			log.Debugln("Skipping execution layer withdrawal request, validator has not been active long enough")
 			continue
 		}
@@ -156,7 +157,7 @@ func ProcessWithdrawalRequests(ctx context.Context, st state.BeaconState, wrs []
 			continue
 		}
 
-		hasSufficientEffectiveBalance := validator.EffectiveBalance >= params.BeaconConfig().MinActivationBalance
+		hasSufficientEffectiveBalance := validator.EffectiveBalance() >= params.BeaconConfig().MinActivationBalance
 		vBal, err := st.BalanceAtIndex(vIdx)
 		if err != nil {
 			return nil, err

beacon-chain/core/epoch/epoch_processing.go

@@ -147,11 +147,17 @@ func ProcessRegistryUpdates(ctx context.Context, st state.BeaconState) (state.Be
 //	  epoch = get_current_epoch(state)
 //	  total_balance = get_total_active_balance(state)
 //	  adjusted_total_slashing_balance = min(sum(state.slashings) * PROPORTIONAL_SLASHING_MULTIPLIER, total_balance)
+//	  if state.version == electra:
+//		 increment = EFFECTIVE_BALANCE_INCREMENT  # Factored out from total balance to avoid uint64 overflow
+//	  penalty_per_effective_balance_increment = adjusted_total_slashing_balance // (total_balance // increment)
 //	  for index, validator in enumerate(state.validators):
 //	      if validator.slashed and epoch + EPOCHS_PER_SLASHINGS_VECTOR // 2 == validator.withdrawable_epoch:
 //	          increment = EFFECTIVE_BALANCE_INCREMENT  # Factored out from penalty numerator to avoid uint64 overflow
 //	          penalty_numerator = validator.effective_balance // increment * adjusted_total_slashing_balance
 //	          penalty = penalty_numerator // total_balance * increment
+//	          if state.version == electra:
+//	            effective_balance_increments = validator.effective_balance // increment
+//	            penalty = penalty_per_effective_balance_increment * effective_balance_increments
 //	          decrease_balance(state, ValidatorIndex(index), penalty)
 func ProcessSlashings(st state.BeaconState, slashingMultiplier uint64) (state.BeaconState, error) {
 	currentEpoch := time.CurrentEpoch(st)
@@ -177,18 +183,40 @@ func ProcessSlashings(st state.BeaconState, slashingMultiplier uint64) (state.Be
 	// below equally.
 	increment := params.BeaconConfig().EffectiveBalanceIncrement
 	minSlashing := math.Min(totalSlashing*slashingMultiplier, totalBalance)
-	err = st.ApplyToEveryValidator(func(idx int, val state.ReadOnlyValidator) (newVal *ethpb.Validator, err error) {
+
+	// Modified in Electra:EIP7251
+	var penaltyPerEffectiveBalanceIncrement uint64
+	if st.Version() >= version.Electra {
+		penaltyPerEffectiveBalanceIncrement = minSlashing / (totalBalance / increment)
+	}
+
+	bals := st.Balances()
+	changed := false
+	err = st.ReadFromEveryValidator(func(idx int, val state.ReadOnlyValidator) error {
 		correctEpoch := (currentEpoch + exitLength/2) == val.WithdrawableEpoch()
 		if val.Slashed() && correctEpoch {
-			penaltyNumerator := val.EffectiveBalance() / increment * minSlashing
-			penalty := penaltyNumerator / totalBalance * increment
-			if err = helpers.DecreaseBalance(st, primitives.ValidatorIndex(idx), penalty); err != nil {
-				return
+			var penalty uint64
+			if st.Version() >= version.Electra {
+				effectiveBalanceIncrements := val.EffectiveBalance() / increment
+				penalty = penaltyPerEffectiveBalanceIncrement * effectiveBalanceIncrements
+			} else {
+				penaltyNumerator := val.EffectiveBalance() / increment * minSlashing
+				penalty = penaltyNumerator / totalBalance * increment
 			}
+			bals[idx] = helpers.DecreaseBalanceWithVal(bals[idx], penalty)
+			changed = true
 		}
-		return
+		return nil
 	})
-	return st, err
+	if err != nil {
+		return nil, err
+	}
+	if changed {
+		if err := st.SetBalances(bals); err != nil {
+			return nil, err
+		}
+	}
+	return st, nil
 }
 
 // ProcessEth1DataReset processes updates to ETH1 data votes during epoch processing.

beacon-chain/core/epoch/epoch_processing_test.go

@@ -448,3 +448,75 @@ func TestProcessHistoricalDataUpdate(t *testing.T) {
 		})
 	}
 }
+
+func TestProcessSlashings_SlashedElectra(t *testing.T) {
+	tests := []struct {
+		state *ethpb.BeaconStateElectra
+		want  uint64
+	}{
+		{
+			state: &ethpb.BeaconStateElectra{
+				Validators: []*ethpb.Validator{
+					{Slashed: true,
+						WithdrawableEpoch: params.BeaconConfig().EpochsPerSlashingsVector / 2,
+						EffectiveBalance:  params.BeaconConfig().MaxEffectiveBalance},
+					{ExitEpoch: params.BeaconConfig().FarFutureEpoch, EffectiveBalance: params.BeaconConfig().MaxEffectiveBalance}},
+				Balances:  []uint64{params.BeaconConfig().MaxEffectiveBalance, params.BeaconConfig().MaxEffectiveBalance},
+				Slashings: []uint64{0, 1e9},
+			},
+			want: uint64(29000000000),
+		},
+		{
+			state: &ethpb.BeaconStateElectra{
+				Validators: []*ethpb.Validator{
+					{Slashed: true,
+						WithdrawableEpoch: params.BeaconConfig().EpochsPerSlashingsVector / 2,
+						EffectiveBalance:  params.BeaconConfig().MaxEffectiveBalance},
+					{ExitEpoch: params.BeaconConfig().FarFutureEpoch, EffectiveBalance: params.BeaconConfig().MaxEffectiveBalance},
+					{ExitEpoch: params.BeaconConfig().FarFutureEpoch, EffectiveBalance: params.BeaconConfig().MaxEffectiveBalance},
+				},
+				Balances:  []uint64{params.BeaconConfig().MaxEffectiveBalance, params.BeaconConfig().MaxEffectiveBalance},
+				Slashings: []uint64{0, 1e9},
+			},
+			want: uint64(30500000000),
+		},
+		{
+			state: &ethpb.BeaconStateElectra{
+				Validators: []*ethpb.Validator{
+					{Slashed: true,
+						WithdrawableEpoch: params.BeaconConfig().EpochsPerSlashingsVector / 2,
+						EffectiveBalance:  params.BeaconConfig().MaxEffectiveBalanceElectra},
+					{ExitEpoch: params.BeaconConfig().FarFutureEpoch, EffectiveBalance: params.BeaconConfig().MaxEffectiveBalanceElectra},
+					{ExitEpoch: params.BeaconConfig().FarFutureEpoch, EffectiveBalance: params.BeaconConfig().MaxEffectiveBalanceElectra},
+				},
+				Balances:  []uint64{params.BeaconConfig().MaxEffectiveBalance * 10, params.BeaconConfig().MaxEffectiveBalance * 20},
+				Slashings: []uint64{0, 2 * 1e9},
+			},
+			want: uint64(317000001536),
+		},
+		{
+			state: &ethpb.BeaconStateElectra{
+				Validators: []*ethpb.Validator{
+					{Slashed: true,
+						WithdrawableEpoch: params.BeaconConfig().EpochsPerSlashingsVector / 2,
+						EffectiveBalance:  params.BeaconConfig().MaxEffectiveBalanceElectra - params.BeaconConfig().EffectiveBalanceIncrement},
+					{ExitEpoch: params.BeaconConfig().FarFutureEpoch, EffectiveBalance: params.BeaconConfig().MaxEffectiveBalanceElectra - params.BeaconConfig().EffectiveBalanceIncrement}},
+				Balances:  []uint64{params.BeaconConfig().MaxEffectiveBalanceElectra - params.BeaconConfig().EffectiveBalanceIncrement, params.BeaconConfig().MaxEffectiveBalanceElectra - params.BeaconConfig().EffectiveBalanceIncrement},
+				Slashings: []uint64{0, 1e9},
+			},
+			want: uint64(2044000000727),
+		},
+	}
+
+	for i, tt := range tests {
+		t.Run(fmt.Sprint(i), func(t *testing.T) {
+			original := proto.Clone(tt.state)
+			s, err := state_native.InitializeFromProtoElectra(tt.state)
+			require.NoError(t, err)
+			helpers.ClearCache()
+			newState, err := epoch.ProcessSlashings(s, params.BeaconConfig().ProportionalSlashingMultiplierBellatrix)
+			require.NoError(t, err)
+			assert.Equal(t, tt.want, newState.Balances()[0], "ProcessSlashings({%v}) = newState; newState.Balances[0] = %d", original, newState.Balances()[0])
+		})
+	}
+}

beacon-chain/core/epoch/precompute/BUILD.bazel

@@ -31,7 +31,6 @@ go_library(
         "//time/slots:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
         "@com_github_prysmaticlabs_go_bitfield//:go_default_library",
-        "@io_opencensus_go//trace:go_default_library",
     ],
 )
 

beacon-chain/core/epoch/precompute/new.go

@@ -11,7 +11,7 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/time"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/state"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
-	"go.opencensus.io/trace"
+	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 )
 
 // New gets called at the beginning of process epoch cycle to return

beacon-chain/core/epoch/precompute/slashing.go

@@ -5,9 +5,7 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/time"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/state"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
-	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/math"
-	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 )
 
 // ProcessSlashingsPrecompute processes the slashed validators during epoch processing.
@@ -44,17 +42,18 @@ func ProcessSlashingsPrecompute(s state.BeaconState, pBal *Balance) error {
 	}
 
 	increment := params.BeaconConfig().EffectiveBalanceIncrement
-	validatorFunc := func(idx int, val state.ReadOnlyValidator) (newVal *ethpb.Validator, err error) {
+	bals := s.Balances()
+	validatorFunc := func(idx int, val state.ReadOnlyValidator) error {
 		correctEpoch := epochToWithdraw == val.WithdrawableEpoch()
 		if val.Slashed() && correctEpoch {
 			penaltyNumerator := val.EffectiveBalance() / increment * minSlashing
 			penalty := penaltyNumerator / pBal.ActiveCurrentEpoch * increment
-			if err = helpers.DecreaseBalance(s, primitives.ValidatorIndex(idx), penalty); err != nil {
-				return
-			}
+			bals[idx] = helpers.DecreaseBalanceWithVal(bals[idx], penalty)
 		}
-		return
+		return nil
 	}
-
-	return s.ApplyToEveryValidator(validatorFunc)
+	if err := s.ReadFromEveryValidator(validatorFunc); err != nil {
+		return err
+	}
+	return s.SetBalances(bals)
 }

beacon-chain/core/feed/operation/notifier.go

@@ -4,5 +4,5 @@ import "github.com/prysmaticlabs/prysm/v5/async/event"
 
 // Notifier interface defines the methods of the service that provides beacon block operation updates to consumers.
 type Notifier interface {
-	OperationFeed() *event.Feed
+	OperationFeed() event.SubscriberSender
 }

beacon-chain/core/feed/state/notifier.go

@@ -4,5 +4,5 @@ import "github.com/prysmaticlabs/prysm/v5/async/event"
 
 // Notifier interface defines the methods of the service that provides state updates to consumers.
 type Notifier interface {
-	StateFeed() *event.Feed
+	StateFeed() event.SubscriberSender
 }

beacon-chain/core/helpers/BUILD.bazel

@@ -63,6 +63,7 @@ go_test(
         "validators_test.go",
         "weak_subjectivity_test.go",
     ],
+    data = glob(["testdata/**"]),
     embed = [":go_default_library"],
     shard_count = 2,
     tags = ["CI_race_detection"],

beacon-chain/core/helpers/sync_committee.go

@@ -69,15 +69,16 @@ func IsNextPeriodSyncCommittee(
 	}
 	indices, err := syncCommitteeCache.NextPeriodIndexPosition(root, valIdx)
 	if errors.Is(err, cache.ErrNonExistingSyncCommitteeKey) {
-		val, err := st.ValidatorAtIndex(valIdx)
+		val, err := st.ValidatorAtIndexReadOnly(valIdx)
 		if err != nil {
 			return false, err
 		}
+		pk := val.PublicKey()
 		committee, err := st.NextSyncCommittee()
 		if err != nil {
 			return false, err
 		}
-		return len(findSubCommitteeIndices(val.PublicKey, committee.Pubkeys)) > 0, nil
+		return len(findSubCommitteeIndices(pk[:], committee.Pubkeys)) > 0, nil
 	}
 	if err != nil {
 		return false, err
@@ -96,10 +97,11 @@ func CurrentPeriodSyncSubcommitteeIndices(
 	}
 	indices, err := syncCommitteeCache.CurrentPeriodIndexPosition(root, valIdx)
 	if errors.Is(err, cache.ErrNonExistingSyncCommitteeKey) {
-		val, err := st.ValidatorAtIndex(valIdx)
+		val, err := st.ValidatorAtIndexReadOnly(valIdx)
 		if err != nil {
 			return nil, err
 		}
+		pk := val.PublicKey()
 		committee, err := st.CurrentSyncCommittee()
 		if err != nil {
 			return nil, err
@@ -112,7 +114,7 @@ func CurrentPeriodSyncSubcommitteeIndices(
 			}
 		}()
 
-		return findSubCommitteeIndices(val.PublicKey, committee.Pubkeys), nil
+		return findSubCommitteeIndices(pk[:], committee.Pubkeys), nil
 	}
 	if err != nil {
 		return nil, err
@@ -130,15 +132,16 @@ func NextPeriodSyncSubcommitteeIndices(
 	}
 	indices, err := syncCommitteeCache.NextPeriodIndexPosition(root, valIdx)
 	if errors.Is(err, cache.ErrNonExistingSyncCommitteeKey) {
-		val, err := st.ValidatorAtIndex(valIdx)
+		val, err := st.ValidatorAtIndexReadOnly(valIdx)
 		if err != nil {
 			return nil, err
 		}
+		pk := val.PublicKey()
 		committee, err := st.NextSyncCommittee()
 		if err != nil {
 			return nil, err
 		}
-		return findSubCommitteeIndices(val.PublicKey, committee.Pubkeys), nil
+		return findSubCommitteeIndices(pk[:], committee.Pubkeys), nil
 	}
 	if err != nil {
 		return nil, err

beacon-chain/core/helpers/validators.go

@@ -584,23 +584,23 @@ func IsSameWithdrawalCredentials(a, b *ethpb.Validator) bool {
 //	        and validator.withdrawable_epoch <= epoch
 //	        and balance > 0
 //	    )
-func IsFullyWithdrawableValidator(val *ethpb.Validator, balance uint64, epoch primitives.Epoch, fork int) bool {
+func IsFullyWithdrawableValidator(val state.ReadOnlyValidator, balance uint64, epoch primitives.Epoch, fork int) bool {
 	if val == nil || balance <= 0 {
 		return false
 	}
 
 	// Electra / EIP-7251 logic
 	if fork >= version.Electra {
-		return HasExecutionWithdrawalCredentials(val) && val.WithdrawableEpoch <= epoch
+		return HasExecutionWithdrawalCredentials(val) && val.WithdrawableEpoch() <= epoch
 	}
 
-	return HasETH1WithdrawalCredential(val) && val.WithdrawableEpoch <= epoch
+	return HasETH1WithdrawalCredential(val) && val.WithdrawableEpoch() <= epoch
 }
 
 // IsPartiallyWithdrawableValidator returns whether the validator is able to perform a
 // partial withdrawal. This function assumes that the caller has a lock on the state.
 // This method conditionally calls the fork appropriate implementation based on the epoch argument.
-func IsPartiallyWithdrawableValidator(val *ethpb.Validator, balance uint64, epoch primitives.Epoch, fork int) bool {
+func IsPartiallyWithdrawableValidator(val state.ReadOnlyValidator, balance uint64, epoch primitives.Epoch, fork int) bool {
 	if val == nil {
 		return false
 	}
@@ -630,9 +630,9 @@ func IsPartiallyWithdrawableValidator(val *ethpb.Validator, balance uint64, epoc
 //	    and has_max_effective_balance
 //	    and has_excess_balance
 //	)
-func isPartiallyWithdrawableValidatorElectra(val *ethpb.Validator, balance uint64, epoch primitives.Epoch) bool {
+func isPartiallyWithdrawableValidatorElectra(val state.ReadOnlyValidator, balance uint64, epoch primitives.Epoch) bool {
 	maxEB := ValidatorMaxEffectiveBalance(val)
-	hasMaxBalance := val.EffectiveBalance == maxEB
+	hasMaxBalance := val.EffectiveBalance() == maxEB
 	hasExcessBalance := balance > maxEB
 
 	return HasExecutionWithdrawalCredentials(val) &&
@@ -652,8 +652,8 @@ func isPartiallyWithdrawableValidatorElectra(val *ethpb.Validator, balance uint6
 //	    has_max_effective_balance = validator.effective_balance == MAX_EFFECTIVE_BALANCE
 //	    has_excess_balance = balance > MAX_EFFECTIVE_BALANCE
 //	    return has_eth1_withdrawal_credential(validator) and has_max_effective_balance and has_excess_balance
-func isPartiallyWithdrawableValidatorCapella(val *ethpb.Validator, balance uint64, epoch primitives.Epoch) bool {
-	hasMaxBalance := val.EffectiveBalance == params.BeaconConfig().MaxEffectiveBalance
+func isPartiallyWithdrawableValidatorCapella(val state.ReadOnlyValidator, balance uint64, epoch primitives.Epoch) bool {
+	hasMaxBalance := val.EffectiveBalance() == params.BeaconConfig().MaxEffectiveBalance
 	hasExcessBalance := balance > params.BeaconConfig().MaxEffectiveBalance
 	return HasETH1WithdrawalCredential(val) && hasExcessBalance && hasMaxBalance
 }
@@ -670,7 +670,7 @@ func isPartiallyWithdrawableValidatorCapella(val *ethpb.Validator, balance uint6
 //	        return MAX_EFFECTIVE_BALANCE_ELECTRA
 //	    else:
 //	        return MIN_ACTIVATION_BALANCE
-func ValidatorMaxEffectiveBalance(val *ethpb.Validator) uint64 {
+func ValidatorMaxEffectiveBalance(val state.ReadOnlyValidator) uint64 {
 	if HasCompoundingWithdrawalCredential(val) {
 		return params.BeaconConfig().MaxEffectiveBalanceElectra
 	}

beacon-chain/core/helpers/validators_test.go

@@ -974,13 +974,6 @@ func TestIsFullyWithdrawableValidator(t *testing.T) {
 		fork      int
 		want      bool
 	}{
-		{
-			name:      "Handles nil case",
-			validator: nil,
-			balance:   0,
-			epoch:     0,
-			want:      false,
-		},
 		{
 			name: "No ETH1 prefix",
 			validator: &ethpb.Validator{
@@ -1036,7 +1029,9 @@ func TestIsFullyWithdrawableValidator(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			assert.Equal(t, tt.want, helpers.IsFullyWithdrawableValidator(tt.validator, tt.balance, tt.epoch, tt.fork))
+			v, err := state_native.NewValidator(tt.validator)
+			require.NoError(t, err)
+			assert.Equal(t, tt.want, helpers.IsFullyWithdrawableValidator(v, tt.balance, tt.epoch, tt.fork))
 		})
 	}
 }
@@ -1050,13 +1045,6 @@ func TestIsPartiallyWithdrawableValidator(t *testing.T) {
 		fork      int
 		want      bool
 	}{
-		{
-			name:      "Handles nil case",
-			validator: nil,
-			balance:   0,
-			epoch:     0,
-			want:      false,
-		},
 		{
 			name: "No ETH1 prefix",
 			validator: &ethpb.Validator{
@@ -1113,7 +1101,9 @@ func TestIsPartiallyWithdrawableValidator(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			assert.Equal(t, tt.want, helpers.IsPartiallyWithdrawableValidator(tt.validator, tt.balance, tt.epoch, tt.fork))
+			v, err := state_native.NewValidator(tt.validator)
+			require.NoError(t, err)
+			assert.Equal(t, tt.want, helpers.IsPartiallyWithdrawableValidator(v, tt.balance, tt.epoch, tt.fork))
 		})
 	}
 }
@@ -1167,15 +1157,12 @@ func TestValidatorMaxEffectiveBalance(t *testing.T) {
 			validator: &ethpb.Validator{WithdrawalCredentials: []byte{params.BeaconConfig().ETH1AddressWithdrawalPrefixByte, 0xCC}},
 			want:      params.BeaconConfig().MinActivationBalance,
 		},
-		{
-			"Handles nil case",
-			nil,
-			params.BeaconConfig().MinActivationBalance,
-		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			assert.Equal(t, tt.want, helpers.ValidatorMaxEffectiveBalance(tt.validator))
+			v, err := state_native.NewValidator(tt.validator)
+			require.NoError(t, err)
+			assert.Equal(t, tt.want, helpers.ValidatorMaxEffectiveBalance(v))
 		})
 	}
 	// Sanity check that MinActivationBalance equals (pre-electra) MaxEffectiveBalance

beacon-chain/core/light-client/BUILD.bazel

@@ -12,12 +12,10 @@ go_library(
         "//consensus-types:go_default_library",
         "//consensus-types/blocks:go_default_library",
         "//consensus-types/interfaces:go_default_library",
-        "//encoding/bytesutil:go_default_library",
         "//encoding/ssz:go_default_library",
         "//proto/engine/v1:go_default_library",
         "//proto/eth/v1:go_default_library",
         "//proto/eth/v2:go_default_library",
-        "//proto/migration:go_default_library",
         "//runtime/version:go_default_library",
         "//time/slots:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
@@ -29,10 +27,13 @@ go_test(
     srcs = ["lightclient_test.go"],
     deps = [
         ":go_default_library",
-        "//config/params:go_default_library",
-        "//consensus-types/primitives:go_default_library",
-        "//proto/eth/v2:go_default_library",
+        "//config/fieldparams:go_default_library",
+        "//consensus-types:go_default_library",
+        "//consensus-types/blocks:go_default_library",
+        "//encoding/ssz:go_default_library",
+        "//proto/engine/v1:go_default_library",
         "//testing/require:go_default_library",
         "//testing/util:go_default_library",
+        "@com_github_pkg_errors//:go_default_library",
     ],
 )

beacon-chain/core/light-client/lightclient.go

@@ -2,6 +2,7 @@ package light_client
 
 import (
 	"bytes"
+	"context"
 	"fmt"
 
 	"github.com/pkg/errors"
@@ -12,33 +13,19 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/interfaces"
 	"github.com/prysmaticlabs/prysm/v5/encoding/ssz"
-	enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
+	v11 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
 	ethpbv1 "github.com/prysmaticlabs/prysm/v5/proto/eth/v1"
 	ethpbv2 "github.com/prysmaticlabs/prysm/v5/proto/eth/v2"
-	"github.com/prysmaticlabs/prysm/v5/proto/migration"
 	"github.com/prysmaticlabs/prysm/v5/runtime/version"
 	"github.com/prysmaticlabs/prysm/v5/time/slots"
-
-	"context"
-
-	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
 )
 
 const (
-	FinalityBranchNumOfLeaves = 6
+	FinalityBranchNumOfLeaves  = 6
+	executionBranchNumOfLeaves = 4
 )
 
-// CreateLightClientFinalityUpdate - implements https://github.com/ethereum/consensus-specs/blob/3d235740e5f1e641d3b160c8688f26e7dc5a1894/specs/altair/light-client/full-node.md#create_light_client_finality_update
-// def create_light_client_finality_update(update: LightClientUpdate) -> LightClientFinalityUpdate:
-//
-//	return LightClientFinalityUpdate(
-//	    attested_header=update.attested_header,
-//	    finalized_header=update.finalized_header,
-//	    finality_branch=update.finality_branch,
-//	    sync_aggregate=update.sync_aggregate,
-//	    signature_slot=update.signature_slot,
-//	)
-func CreateLightClientFinalityUpdate(update *ethpbv2.LightClientUpdate) *ethpbv2.LightClientFinalityUpdate {
+func createLightClientFinalityUpdate(update *ethpbv2.LightClientUpdate) *ethpbv2.LightClientFinalityUpdate {
 	finalityUpdate := &ethpbv2.LightClientFinalityUpdate{
 		AttestedHeader:  update.AttestedHeader,
 		FinalizedHeader: update.FinalizedHeader,
@@ -50,15 +37,7 @@ func CreateLightClientFinalityUpdate(update *ethpbv2.LightClientUpdate) *ethpbv2
 	return finalityUpdate
 }
 
-// CreateLightClientOptimisticUpdate - implements https://github.com/ethereum/consensus-specs/blob/3d235740e5f1e641d3b160c8688f26e7dc5a1894/specs/altair/light-client/full-node.md#create_light_client_optimistic_update
-// def create_light_client_optimistic_update(update: LightClientUpdate) -> LightClientOptimisticUpdate:
-//
-//	return LightClientOptimisticUpdate(
-//	    attested_header=update.attested_header,
-//	    sync_aggregate=update.sync_aggregate,
-//	    signature_slot=update.signature_slot,
-//	)
-func CreateLightClientOptimisticUpdate(update *ethpbv2.LightClientUpdate) *ethpbv2.LightClientOptimisticUpdate {
+func createLightClientOptimisticUpdate(update *ethpbv2.LightClientUpdate) *ethpbv2.LightClientOptimisticUpdate {
 	optimisticUpdate := &ethpbv2.LightClientOptimisticUpdate{
 		AttestedHeader: update.AttestedHeader,
 		SyncAggregate:  update.SyncAggregate,
@@ -68,11 +47,44 @@ func CreateLightClientOptimisticUpdate(update *ethpbv2.LightClientUpdate) *ethpb
 	return optimisticUpdate
 }
 
+func NewLightClientFinalityUpdateFromBeaconState(
+	ctx context.Context,
+	state state.BeaconState,
+	block interfaces.ReadOnlySignedBeaconBlock,
+	attestedState state.BeaconState,
+	attestedBlock interfaces.ReadOnlySignedBeaconBlock,
+	finalizedBlock interfaces.ReadOnlySignedBeaconBlock,
+) (*ethpbv2.LightClientFinalityUpdate, error) {
+	update, err := NewLightClientUpdateFromBeaconState(ctx, state, block, attestedState, attestedBlock, finalizedBlock)
+	if err != nil {
+		return nil, err
+	}
+
+	return createLightClientFinalityUpdate(update), nil
+}
+
 func NewLightClientOptimisticUpdateFromBeaconState(
 	ctx context.Context,
 	state state.BeaconState,
 	block interfaces.ReadOnlySignedBeaconBlock,
-	attestedState state.BeaconState) (*ethpbv2.LightClientUpdate, error) {
+	attestedState state.BeaconState,
+	attestedBlock interfaces.ReadOnlySignedBeaconBlock,
+) (*ethpbv2.LightClientOptimisticUpdate, error) {
+	update, err := NewLightClientUpdateFromBeaconState(ctx, state, block, attestedState, attestedBlock, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	return createLightClientOptimisticUpdate(update), nil
+}
+
+func NewLightClientUpdateFromBeaconState(
+	ctx context.Context,
+	state state.BeaconState,
+	block interfaces.ReadOnlySignedBeaconBlock,
+	attestedState state.BeaconState,
+	attestedBlock interfaces.ReadOnlySignedBeaconBlock,
+	finalizedBlock interfaces.ReadOnlySignedBeaconBlock) (*ethpbv2.LightClientUpdate, error) {
 	// assert compute_epoch_at_slot(attested_state.slot) >= ALTAIR_FORK_EPOCH
 	attestedEpoch := slots.ToEpoch(attestedState.Slot())
 	if attestedEpoch < params.BeaconConfig().AltairForkEpoch {
@@ -84,7 +96,6 @@ func NewLightClientOptimisticUpdateFromBeaconState(
 	if err != nil {
 		return nil, errors.Wrap(err, "could not get sync aggregate")
 	}
-
 	if syncAggregate.SyncCommitteeBits.Count() < params.BeaconConfig().MinSyncCommitteeParticipants {
 		return nil, fmt.Errorf("invalid sync committee bits count %d", syncAggregate.SyncCommitteeBits.Count())
 	}
@@ -101,21 +112,21 @@ func NewLightClientOptimisticUpdateFromBeaconState(
 		return nil, errors.Wrap(err, "could not get state root")
 	}
 	header.StateRoot = stateRoot[:]
-
 	headerRoot, err := header.HashTreeRoot()
 	if err != nil {
 		return nil, errors.Wrap(err, "could not get header root")
 	}
-
 	blockRoot, err := block.Block().HashTreeRoot()
 	if err != nil {
 		return nil, errors.Wrap(err, "could not get block root")
 	}
-
 	if headerRoot != blockRoot {
 		return nil, fmt.Errorf("header root %#x not equal to block root %#x", headerRoot, blockRoot)
 	}
 
+	// update_signature_period = compute_sync_committee_period(compute_epoch_at_slot(block.message.slot))
+	updateSignaturePeriod := slots.SyncCommitteePeriod(slots.ToEpoch(block.Block().Slot()))
+
 	// assert attested_state.slot == attested_state.latest_block_header.slot
 	if attestedState.Slot() != attestedState.LatestBlockHeader().Slot {
 		return nil, fmt.Errorf("attested state slot %d not equal to attested latest block header slot %d", attestedState.Slot(), attestedState.LatestBlockHeader().Slot)
@@ -136,418 +147,348 @@ func NewLightClientOptimisticUpdateFromBeaconState(
 	if err != nil {
 		return nil, errors.Wrap(err, "could not get attested header root")
 	}
-
-	if attestedHeaderRoot != block.Block().ParentRoot() {
-		return nil, fmt.Errorf("attested header root %#x not equal to block parent root %#x", attestedHeaderRoot, block.Block().ParentRoot())
+	attestedBlockRoot, err := attestedBlock.Block().HashTreeRoot()
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get attested block root")
+	}
+	// assert hash_tree_root(attested_header) == hash_tree_root(attested_block.message) == block.message.parent_root
+	if attestedHeaderRoot != block.Block().ParentRoot() || attestedHeaderRoot != attestedBlockRoot {
+		return nil, fmt.Errorf("attested header root %#x not equal to block parent root %#x or attested block root %#x", attestedHeaderRoot, block.Block().ParentRoot(), attestedBlockRoot)
 	}
 
-	syncAggregateResult := &ethpbv1.SyncAggregate{
+	// update_attested_period = compute_sync_committee_period_at_slot(attested_block.message.slot)
+	updateAttestedPeriod := slots.SyncCommitteePeriod(slots.ToEpoch(attestedBlock.Block().Slot()))
+
+	// update = LightClientUpdate()
+	result, err := createDefaultLightClientUpdate()
+	if err != nil {
+		return nil, errors.Wrap(err, "could not create default light client update")
+	}
+
+	// update.attested_header = block_to_light_client_header(attested_block)
+	attestedLightClientHeader, err := BlockToLightClientHeader(attestedBlock)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get attested light client header")
+	}
+	result.AttestedHeader = attestedLightClientHeader
+
+	// if update_attested_period == update_signature_period
+	if updateAttestedPeriod == updateSignaturePeriod {
+		tempNextSyncCommittee, err := attestedState.NextSyncCommittee()
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get next sync committee")
+		}
+		nextSyncCommittee := &ethpbv2.SyncCommittee{
+			Pubkeys:         tempNextSyncCommittee.Pubkeys,
+			AggregatePubkey: tempNextSyncCommittee.AggregatePubkey,
+		}
+		nextSyncCommitteeBranch, err := attestedState.NextSyncCommitteeProof(ctx)
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get next sync committee proof")
+		}
+
+		// update.next_sync_committee = attested_state.next_sync_committee
+		result.NextSyncCommittee = nextSyncCommittee
+
+		// update.next_sync_committee_branch = NextSyncCommitteeBranch(
+		//     compute_merkle_proof(attested_state, next_sync_committee_gindex_at_slot(attested_state.slot)))
+		result.NextSyncCommitteeBranch = nextSyncCommitteeBranch
+	}
+
+	// if finalized_block is not None
+	if finalizedBlock != nil && !finalizedBlock.IsNil() {
+		// if finalized_block.message.slot != GENESIS_SLOT
+		if finalizedBlock.Block().Slot() != 0 {
+			// update.finalized_header = block_to_light_client_header(finalized_block)
+			finalizedLightClientHeader, err := BlockToLightClientHeader(finalizedBlock)
+			if err != nil {
+				return nil, errors.Wrap(err, "could not get finalized light client header")
+			}
+			result.FinalizedHeader = finalizedLightClientHeader
+		} else {
+			// assert attested_state.finalized_checkpoint.root == Bytes32()
+			if !bytes.Equal(attestedState.FinalizedCheckpoint().Root, make([]byte, 32)) {
+				return nil, fmt.Errorf("invalid finalized header root %v", attestedState.FinalizedCheckpoint().Root)
+			}
+		}
+
+		// update.finality_branch = FinalityBranch(
+		//     compute_merkle_proof(attested_state, finalized_root_gindex_at_slot(attested_state.slot)))
+		finalityBranch, err := attestedState.FinalizedRootProof(ctx)
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get finalized root proof")
+		}
+		result.FinalityBranch = finalityBranch
+	}
+
+	// update.sync_aggregate = block.message.body.sync_aggregate
+	result.SyncAggregate = &ethpbv1.SyncAggregate{
 		SyncCommitteeBits:      syncAggregate.SyncCommitteeBits,
 		SyncCommitteeSignature: syncAggregate.SyncCommitteeSignature,
 	}
 
-	result := &ethpbv2.LightClientUpdate{
-		SyncAggregate: syncAggregateResult,
-		SignatureSlot: block.Block().Slot(),
-	}
-
-	switch block.Block().Version() {
-	case version.Altair, version.Bellatrix:
-		result.AttestedHeader = &ethpbv2.LightClientHeaderContainer{
-			Header: &ethpbv2.LightClientHeaderContainer_HeaderAltair{
-				HeaderAltair: &ethpbv2.LightClientHeader{
-					Beacon: &ethpbv1.BeaconBlockHeader{
-						Slot:          attestedHeader.Slot,
-						ProposerIndex: attestedHeader.ProposerIndex,
-						ParentRoot:    attestedHeader.ParentRoot,
-						StateRoot:     attestedHeader.StateRoot,
-						BodyRoot:      attestedHeader.BodyRoot,
-					},
-				},
-			},
-		}
-	case version.Capella:
-		executionPayloadHeader, err := getExecutionPayloadHeaderCapella(block)
-		if err != nil {
-			return nil, errors.Wrap(err, "could not get execution payload header")
-		}
-
-		executionPayloadProof, err := blocks.PayloadProof(ctx, block.Block())
-		if err != nil {
-			return nil, errors.Wrap(err, "could not get execution payload proof")
-		}
-
-		result.AttestedHeader = &ethpbv2.LightClientHeaderContainer{
-			Header: &ethpbv2.LightClientHeaderContainer_HeaderCapella{
-				HeaderCapella: &ethpbv2.LightClientHeaderCapella{
-					Beacon: &ethpbv1.BeaconBlockHeader{
-						Slot:          attestedHeader.Slot,
-						ProposerIndex: attestedHeader.ProposerIndex,
-						ParentRoot:    attestedHeader.ParentRoot,
-						StateRoot:     attestedHeader.StateRoot,
-						BodyRoot:      attestedHeader.BodyRoot,
-					},
-					Execution:       executionPayloadHeader,
-					ExecutionBranch: executionPayloadProof,
-				},
-			},
-		}
-
-	case version.Deneb, version.Electra:
-		executionPayloadHeader, err := getExecutionPayloadHeaderDeneb(block)
-		if err != nil {
-			return nil, errors.Wrap(err, "could not get execution payload header")
-		}
-
-		executionPayloadProof, err := blocks.PayloadProof(ctx, block.Block())
-		if err != nil {
-			return nil, errors.Wrap(err, "could not get execution payload proof")
-		}
-
-		result.AttestedHeader = &ethpbv2.LightClientHeaderContainer{
-			Header: &ethpbv2.LightClientHeaderContainer_HeaderDeneb{
-				HeaderDeneb: &ethpbv2.LightClientHeaderDeneb{
-					Beacon: &ethpbv1.BeaconBlockHeader{
-						Slot:          attestedHeader.Slot,
-						ProposerIndex: attestedHeader.ProposerIndex,
-						ParentRoot:    attestedHeader.ParentRoot,
-						StateRoot:     attestedHeader.StateRoot,
-						BodyRoot:      attestedHeader.BodyRoot,
-					},
-					Execution:       executionPayloadHeader,
-					ExecutionBranch: executionPayloadProof,
-				},
-			},
-		}
-	default:
-		return nil, fmt.Errorf("unsupported block version %s", version.String(block.Block().Version()))
-	}
+	// update.signature_slot = block.message.slot
+	result.SignatureSlot = block.Block().Slot()
 
 	return result, nil
 }
 
-func NewLightClientFinalityUpdateFromBeaconState(
-	ctx context.Context,
-	state state.BeaconState,
-	block interfaces.ReadOnlySignedBeaconBlock,
-	attestedState state.BeaconState,
-	finalizedBlock interfaces.ReadOnlySignedBeaconBlock) (*ethpbv2.LightClientUpdate, error) {
-	result, err := NewLightClientOptimisticUpdateFromBeaconState(
-		ctx,
-		state,
-		block,
-		attestedState,
-	)
+func createDefaultLightClientUpdate() (*ethpbv2.LightClientUpdate, error) {
+	syncCommitteeSize := params.BeaconConfig().SyncCommitteeSize
+	pubKeys := make([][]byte, syncCommitteeSize)
+	for i := uint64(0); i < syncCommitteeSize; i++ {
+		pubKeys[i] = make([]byte, fieldparams.BLSPubkeyLength)
+	}
+	nextSyncCommittee := &ethpbv2.SyncCommittee{
+		Pubkeys:         pubKeys,
+		AggregatePubkey: make([]byte, fieldparams.BLSPubkeyLength),
+	}
+	nextSyncCommitteeBranch := make([][]byte, fieldparams.SyncCommitteeBranchDepth)
+	for i := 0; i < fieldparams.SyncCommitteeBranchDepth; i++ {
+		nextSyncCommitteeBranch[i] = make([]byte, fieldparams.RootLength)
+	}
+	executionBranch := make([][]byte, executionBranchNumOfLeaves)
+	for i := 0; i < executionBranchNumOfLeaves; i++ {
+		executionBranch[i] = make([]byte, 32)
+	}
+	finalityBranch := make([][]byte, FinalityBranchNumOfLeaves)
+	for i := 0; i < FinalityBranchNumOfLeaves; i++ {
+		finalityBranch[i] = make([]byte, 32)
+	}
+
+	return &ethpbv2.LightClientUpdate{
+		NextSyncCommittee:       nextSyncCommittee,
+		NextSyncCommitteeBranch: nextSyncCommitteeBranch,
+		FinalityBranch:          finalityBranch,
+	}, nil
+}
+
+func ComputeTransactionsRoot(payload interfaces.ExecutionData) ([]byte, error) {
+	transactionsRoot, err := payload.TransactionsRoot()
+	if errors.Is(err, consensus_types.ErrUnsupportedField) {
+		transactions, err := payload.Transactions()
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get transactions")
+		}
+		transactionsRootArray, err := ssz.TransactionsRoot(transactions)
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get transactions root")
+		}
+		transactionsRoot = transactionsRootArray[:]
+	} else if err != nil {
+		return nil, errors.Wrap(err, "could not get transactions root")
+	}
+	return transactionsRoot, nil
+}
+
+func ComputeWithdrawalsRoot(payload interfaces.ExecutionData) ([]byte, error) {
+	withdrawalsRoot, err := payload.WithdrawalsRoot()
+	if errors.Is(err, consensus_types.ErrUnsupportedField) {
+		withdrawals, err := payload.Withdrawals()
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get withdrawals")
+		}
+		withdrawalsRootArray, err := ssz.WithdrawalSliceRoot(withdrawals, fieldparams.MaxWithdrawalsPerPayload)
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get withdrawals root")
+		}
+		withdrawalsRoot = withdrawalsRootArray[:]
+	} else if err != nil {
+		return nil, errors.Wrap(err, "could not get withdrawals root")
+	}
+	return withdrawalsRoot, nil
+}
+
+func BlockToLightClientHeader(block interfaces.ReadOnlySignedBeaconBlock) (*ethpbv2.LightClientHeaderContainer, error) {
+	switch block.Version() {
+	case version.Altair, version.Bellatrix:
+		altairHeader, err := blockToLightClientHeaderAltair(block)
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get header")
+		}
+		return &ethpbv2.LightClientHeaderContainer{
+			Header: &ethpbv2.LightClientHeaderContainer_HeaderAltair{
+				HeaderAltair: altairHeader,
+			},
+		}, nil
+	case version.Capella:
+		capellaHeader, err := blockToLightClientHeaderCapella(context.Background(), block)
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get capella header")
+		}
+		return &ethpbv2.LightClientHeaderContainer{
+			Header: &ethpbv2.LightClientHeaderContainer_HeaderCapella{
+				HeaderCapella: capellaHeader,
+			},
+		}, nil
+	case version.Deneb, version.Electra:
+		denebHeader, err := blockToLightClientHeaderDeneb(context.Background(), block)
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get header")
+		}
+		return &ethpbv2.LightClientHeaderContainer{
+			Header: &ethpbv2.LightClientHeaderContainer_HeaderDeneb{
+				HeaderDeneb: denebHeader,
+			},
+		}, nil
+	default:
+		return nil, fmt.Errorf("unsupported block version %s", version.String(block.Version()))
+	}
+}
+
+func blockToLightClientHeaderAltair(block interfaces.ReadOnlySignedBeaconBlock) (*ethpbv2.LightClientHeader, error) {
+	if block.Version() < version.Altair {
+		return nil, fmt.Errorf("block version is %s instead of Altair", version.String(block.Version()))
+	}
+
+	parentRoot := block.Block().ParentRoot()
+	stateRoot := block.Block().StateRoot()
+	bodyRoot, err := block.Block().Body().HashTreeRoot()
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get body root")
+	}
+
+	return &ethpbv2.LightClientHeader{
+		Beacon: &ethpbv1.BeaconBlockHeader{
+			Slot:          block.Block().Slot(),
+			ProposerIndex: block.Block().ProposerIndex(),
+			ParentRoot:    parentRoot[:],
+			StateRoot:     stateRoot[:],
+			BodyRoot:      bodyRoot[:],
+		},
+	}, nil
+}
+
+func blockToLightClientHeaderCapella(ctx context.Context, block interfaces.ReadOnlySignedBeaconBlock) (*ethpbv2.LightClientHeaderCapella, error) {
+	if block.Version() < version.Capella {
+		return nil, fmt.Errorf("block version is %s instead of Capella", version.String(block.Version()))
+	}
+
+	payload, err := block.Block().Body().Execution()
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get execution payload")
+	}
+
+	transactionsRoot, err := ComputeTransactionsRoot(payload)
+	if err != nil {
+		return nil, err
+	}
+	withdrawalsRoot, err := ComputeWithdrawalsRoot(payload)
 	if err != nil {
 		return nil, err
 	}
 
-	// Indicate finality whenever possible
-	var finalizedHeaderBeacon *ethpbv1.BeaconBlockHeader
-	var finalityBranch [][]byte
-
-	if finalizedBlock != nil && !finalizedBlock.IsNil() {
-		if finalizedBlock.Block().Slot() != 0 {
-			tempFinalizedHeader, err := finalizedBlock.Header()
-			if err != nil {
-				return nil, errors.Wrap(err, "could not get finalized header")
-			}
-			finalizedHeaderBeacon := migration.V1Alpha1SignedHeaderToV1(tempFinalizedHeader).GetMessage()
-
-			finalizedHeaderRoot, err := finalizedHeaderBeacon.HashTreeRoot()
-			if err != nil {
-				return nil, errors.Wrap(err, "could not get finalized header root")
-			}
-
-			if finalizedHeaderRoot != bytesutil.ToBytes32(attestedState.FinalizedCheckpoint().Root) {
-				return nil, fmt.Errorf("finalized header root %#x not equal to attested finalized checkpoint root %#x", finalizedHeaderRoot, bytesutil.ToBytes32(attestedState.FinalizedCheckpoint().Root))
-			}
-		} else {
-			if !bytes.Equal(attestedState.FinalizedCheckpoint().Root, make([]byte, 32)) {
-				return nil, fmt.Errorf("invalid finalized header root %v", attestedState.FinalizedCheckpoint().Root)
-			}
-
-			finalizedHeaderBeacon = &ethpbv1.BeaconBlockHeader{
-				Slot:          0,
-				ProposerIndex: 0,
-				ParentRoot:    make([]byte, 32),
-				StateRoot:     make([]byte, 32),
-				BodyRoot:      make([]byte, 32),
-			}
-		}
-
-		var bErr error
-		finalityBranch, bErr = attestedState.FinalizedRootProof(ctx)
-		if bErr != nil {
-			return nil, errors.Wrap(bErr, "could not get finalized root proof")
-		}
-	} else {
-		finalizedHeaderBeacon = &ethpbv1.BeaconBlockHeader{
-			Slot:          0,
-			ProposerIndex: 0,
-			ParentRoot:    make([]byte, 32),
-			StateRoot:     make([]byte, 32),
-			BodyRoot:      make([]byte, 32),
-		}
-
-		finalityBranch = make([][]byte, FinalityBranchNumOfLeaves)
-		for i := 0; i < FinalityBranchNumOfLeaves; i++ {
-			finalityBranch[i] = make([]byte, 32)
-		}
-	}
-
-	switch block.Block().Version() {
-	case version.Altair, version.Bellatrix:
-		result.FinalizedHeader = &ethpbv2.LightClientHeaderContainer{
-			Header: &ethpbv2.LightClientHeaderContainer_HeaderAltair{
-				HeaderAltair: &ethpbv2.LightClientHeader{Beacon: finalizedHeaderBeacon},
-			},
-		}
-		result.FinalityBranch = finalityBranch
-	case version.Capella:
-		if finalizedBlock != nil && !finalizedBlock.IsNil() {
-			execution, err := getExecutionPayloadHeaderCapella(finalizedBlock)
-			if err != nil {
-				return nil, errors.Wrap(err, "could not get execution payload header")
-			}
-			executionBranch, err := blocks.PayloadProof(ctx, finalizedBlock.Block())
-			if err != nil {
-				return nil, errors.Wrap(err, "could not get execution payload proof")
-			}
-
-			result.FinalizedHeader = &ethpbv2.LightClientHeaderContainer{
-				Header: &ethpbv2.LightClientHeaderContainer_HeaderCapella{
-					HeaderCapella: &ethpbv2.LightClientHeaderCapella{
-						Beacon:          finalizedHeaderBeacon,
-						Execution:       execution,
-						ExecutionBranch: executionBranch,
-					},
-				},
-			}
-			result.FinalityBranch = finalityBranch
-		} else {
-			execution := createEmptyExecutionPayloadHeaderCapella()
-			executionBranch := make([][]byte, 0)
-
-			result.FinalizedHeader = &ethpbv2.LightClientHeaderContainer{
-				Header: &ethpbv2.LightClientHeaderContainer_HeaderCapella{
-					HeaderCapella: &ethpbv2.LightClientHeaderCapella{
-						Beacon:          finalizedHeaderBeacon,
-						Execution:       execution,
-						ExecutionBranch: executionBranch,
-					},
-				},
-			}
-
-			result.FinalityBranch = finalityBranch
-		}
-	case version.Deneb, version.Electra:
-		if finalizedBlock != nil && !finalizedBlock.IsNil() {
-			execution, err := getExecutionPayloadHeaderDeneb(finalizedBlock)
-			if err != nil {
-				return nil, errors.Wrap(err, "could not get execution payload header")
-			}
-			executionBranch, err := blocks.PayloadProof(ctx, finalizedBlock.Block())
-			if err != nil {
-				return nil, errors.Wrap(err, "could not get execution payload proof")
-			}
-
-			result.FinalizedHeader = &ethpbv2.LightClientHeaderContainer{
-				Header: &ethpbv2.LightClientHeaderContainer_HeaderDeneb{
-					HeaderDeneb: &ethpbv2.LightClientHeaderDeneb{
-						Beacon:          finalizedHeaderBeacon,
-						Execution:       execution,
-						ExecutionBranch: executionBranch,
-					},
-				},
-			}
-			result.FinalityBranch = finalityBranch
-		} else {
-			execution := createEmptyExecutionPayloadHeaderDeneb()
-			executionBranch := make([][]byte, 0)
-
-			result.FinalizedHeader = &ethpbv2.LightClientHeaderContainer{
-				Header: &ethpbv2.LightClientHeaderContainer_HeaderDeneb{
-					HeaderDeneb: &ethpbv2.LightClientHeaderDeneb{
-						Beacon:          finalizedHeaderBeacon,
-						Execution:       execution,
-						ExecutionBranch: executionBranch,
-					},
-				},
-			}
-
-			result.FinalityBranch = finalityBranch
-		}
-	default:
-		return nil, fmt.Errorf("unsupported block version %s", version.String(block.Block().Version()))
-	}
-
-	return result, nil
-}
-
-func createEmptyExecutionPayloadHeaderCapella() *enginev1.ExecutionPayloadHeaderCapella {
-	return &enginev1.ExecutionPayloadHeaderCapella{
-		ParentHash:       make([]byte, 32),
-		FeeRecipient:     make([]byte, 20),
-		StateRoot:        make([]byte, 32),
-		ReceiptsRoot:     make([]byte, 32),
-		LogsBloom:        make([]byte, 256),
-		PrevRandao:       make([]byte, 32),
-		BlockNumber:      0,
-		GasLimit:         0,
-		GasUsed:          0,
-		Timestamp:        0,
-		ExtraData:        make([]byte, 32),
-		BaseFeePerGas:    make([]byte, 32),
-		BlockHash:        make([]byte, 32),
-		TransactionsRoot: make([]byte, 32),
-		WithdrawalsRoot:  make([]byte, 32),
-	}
-}
-
-func createEmptyExecutionPayloadHeaderDeneb() *enginev1.ExecutionPayloadHeaderDeneb {
-	return &enginev1.ExecutionPayloadHeaderDeneb{
-		ParentHash:       make([]byte, 32),
-		FeeRecipient:     make([]byte, 20),
-		StateRoot:        make([]byte, 32),
-		ReceiptsRoot:     make([]byte, 32),
-		LogsBloom:        make([]byte, 256),
-		PrevRandao:       make([]byte, 32),
-		BlockNumber:      0,
-		GasLimit:         0,
-		GasUsed:          0,
-		Timestamp:        0,
-		ExtraData:        make([]byte, 32),
-		BaseFeePerGas:    make([]byte, 32),
-		BlockHash:        make([]byte, 32),
-		TransactionsRoot: make([]byte, 32),
-		WithdrawalsRoot:  make([]byte, 32),
-	}
-}
-
-func getExecutionPayloadHeaderCapella(block interfaces.ReadOnlySignedBeaconBlock) (*enginev1.ExecutionPayloadHeaderCapella, error) {
-	payloadInterface, err := block.Block().Body().Execution()
-	if err != nil {
-		return nil, errors.Wrap(err, "could not get execution data")
-	}
-	transactionsRoot, err := payloadInterface.TransactionsRoot()
-	if errors.Is(err, consensus_types.ErrUnsupportedField) {
-		transactions, err := payloadInterface.Transactions()
-		if err != nil {
-			return nil, errors.Wrap(err, "could not get transactions")
-		}
-		transactionsRootArray, err := ssz.TransactionsRoot(transactions)
-		if err != nil {
-			return nil, errors.Wrap(err, "could not get transactions root")
-		}
-		transactionsRoot = transactionsRootArray[:]
-	} else if err != nil {
-		return nil, errors.Wrap(err, "could not get transactions root")
-	}
-	withdrawalsRoot, err := payloadInterface.WithdrawalsRoot()
-	if errors.Is(err, consensus_types.ErrUnsupportedField) {
-		withdrawals, err := payloadInterface.Withdrawals()
-		if err != nil {
-			return nil, errors.Wrap(err, "could not get withdrawals")
-		}
-		withdrawalsRootArray, err := ssz.WithdrawalSliceRoot(withdrawals, fieldparams.MaxWithdrawalsPerPayload)
-		if err != nil {
-			return nil, errors.Wrap(err, "could not get withdrawals root")
-		}
-		withdrawalsRoot = withdrawalsRootArray[:]
-	} else if err != nil {
-		return nil, errors.Wrap(err, "could not get withdrawals root")
-	}
-
-	execution := &enginev1.ExecutionPayloadHeaderCapella{
-		ParentHash:       payloadInterface.ParentHash(),
-		FeeRecipient:     payloadInterface.FeeRecipient(),
-		StateRoot:        payloadInterface.StateRoot(),
-		ReceiptsRoot:     payloadInterface.ReceiptsRoot(),
-		LogsBloom:        payloadInterface.LogsBloom(),
-		PrevRandao:       payloadInterface.PrevRandao(),
-		BlockNumber:      payloadInterface.BlockNumber(),
-		GasLimit:         payloadInterface.GasLimit(),
-		GasUsed:          payloadInterface.GasUsed(),
-		Timestamp:        payloadInterface.Timestamp(),
-		ExtraData:        payloadInterface.ExtraData(),
-		BaseFeePerGas:    payloadInterface.BaseFeePerGas(),
-		BlockHash:        payloadInterface.BlockHash(),
+	executionHeader := &v11.ExecutionPayloadHeaderCapella{
+		ParentHash:       payload.ParentHash(),
+		FeeRecipient:     payload.FeeRecipient(),
+		StateRoot:        payload.StateRoot(),
+		ReceiptsRoot:     payload.ReceiptsRoot(),
+		LogsBloom:        payload.LogsBloom(),
+		PrevRandao:       payload.PrevRandao(),
+		BlockNumber:      payload.BlockNumber(),
+		GasLimit:         payload.GasLimit(),
+		GasUsed:          payload.GasUsed(),
+		Timestamp:        payload.Timestamp(),
+		ExtraData:        payload.ExtraData(),
+		BaseFeePerGas:    payload.BaseFeePerGas(),
+		BlockHash:        payload.BlockHash(),
 		TransactionsRoot: transactionsRoot,
 		WithdrawalsRoot:  withdrawalsRoot,
 	}
 
-	return execution, nil
+	executionPayloadProof, err := blocks.PayloadProof(ctx, block.Block())
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get execution payload proof")
+	}
+
+	parentRoot := block.Block().ParentRoot()
+	stateRoot := block.Block().StateRoot()
+	bodyRoot, err := block.Block().Body().HashTreeRoot()
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get body root")
+	}
+
+	return &ethpbv2.LightClientHeaderCapella{
+		Beacon: &ethpbv1.BeaconBlockHeader{
+			Slot:          block.Block().Slot(),
+			ProposerIndex: block.Block().ProposerIndex(),
+			ParentRoot:    parentRoot[:],
+			StateRoot:     stateRoot[:],
+			BodyRoot:      bodyRoot[:],
+		},
+		Execution:       executionHeader,
+		ExecutionBranch: executionPayloadProof,
+	}, nil
 }
 
-func getExecutionPayloadHeaderDeneb(block interfaces.ReadOnlySignedBeaconBlock) (*enginev1.ExecutionPayloadHeaderDeneb, error) {
-	payloadInterface, err := block.Block().Body().Execution()
-	if err != nil {
-		return nil, errors.Wrap(err, "could not get execution data")
-	}
-	transactionsRoot, err := payloadInterface.TransactionsRoot()
-	if errors.Is(err, consensus_types.ErrUnsupportedField) {
-		transactions, err := payloadInterface.Transactions()
-		if err != nil {
-			return nil, errors.Wrap(err, "could not get transactions")
-		}
-		transactionsRootArray, err := ssz.TransactionsRoot(transactions)
-		if err != nil {
-			return nil, errors.Wrap(err, "could not get transactions root")
-		}
-		transactionsRoot = transactionsRootArray[:]
-	} else if err != nil {
-		return nil, errors.Wrap(err, "could not get transactions root")
-	}
-	withdrawalsRoot, err := payloadInterface.WithdrawalsRoot()
-	if errors.Is(err, consensus_types.ErrUnsupportedField) {
-		withdrawals, err := payloadInterface.Withdrawals()
-		if err != nil {
-			return nil, errors.Wrap(err, "could not get withdrawals")
-		}
-		withdrawalsRootArray, err := ssz.WithdrawalSliceRoot(withdrawals, fieldparams.MaxWithdrawalsPerPayload)
-		if err != nil {
-			return nil, errors.Wrap(err, "could not get withdrawals root")
-		}
-		withdrawalsRoot = withdrawalsRootArray[:]
-	} else if err != nil {
-		return nil, errors.Wrap(err, "could not get withdrawals root")
+func blockToLightClientHeaderDeneb(ctx context.Context, block interfaces.ReadOnlySignedBeaconBlock) (*ethpbv2.LightClientHeaderDeneb, error) {
+	if block.Version() < version.Deneb {
+		return nil, fmt.Errorf("block version is %s instead of Deneb/Electra", version.String(block.Version()))
 	}
 
-	execution := &enginev1.ExecutionPayloadHeaderDeneb{
-		ParentHash:       payloadInterface.ParentHash(),
-		FeeRecipient:     payloadInterface.FeeRecipient(),
-		StateRoot:        payloadInterface.StateRoot(),
-		ReceiptsRoot:     payloadInterface.ReceiptsRoot(),
-		LogsBloom:        payloadInterface.LogsBloom(),
-		PrevRandao:       payloadInterface.PrevRandao(),
-		BlockNumber:      payloadInterface.BlockNumber(),
-		GasLimit:         payloadInterface.GasLimit(),
-		GasUsed:          payloadInterface.GasUsed(),
-		Timestamp:        payloadInterface.Timestamp(),
-		ExtraData:        payloadInterface.ExtraData(),
-		BaseFeePerGas:    payloadInterface.BaseFeePerGas(),
-		BlockHash:        payloadInterface.BlockHash(),
+	payload, err := block.Block().Body().Execution()
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get execution payload")
+	}
+
+	transactionsRoot, err := ComputeTransactionsRoot(payload)
+	if err != nil {
+		return nil, err
+	}
+	withdrawalsRoot, err := ComputeWithdrawalsRoot(payload)
+	if err != nil {
+		return nil, err
+	}
+	blobGasUsed, err := payload.BlobGasUsed()
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get blob gas used")
+	}
+	excessBlobGas, err := payload.ExcessBlobGas()
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get excess blob gas")
+	}
+
+	executionHeader := &v11.ExecutionPayloadHeaderDeneb{
+		ParentHash:       payload.ParentHash(),
+		FeeRecipient:     payload.FeeRecipient(),
+		StateRoot:        payload.StateRoot(),
+		ReceiptsRoot:     payload.ReceiptsRoot(),
+		LogsBloom:        payload.LogsBloom(),
+		PrevRandao:       payload.PrevRandao(),
+		BlockNumber:      payload.BlockNumber(),
+		GasLimit:         payload.GasLimit(),
+		GasUsed:          payload.GasUsed(),
+		Timestamp:        payload.Timestamp(),
+		ExtraData:        payload.ExtraData(),
+		BaseFeePerGas:    payload.BaseFeePerGas(),
+		BlockHash:        payload.BlockHash(),
 		TransactionsRoot: transactionsRoot,
 		WithdrawalsRoot:  withdrawalsRoot,
+		BlobGasUsed:      blobGasUsed,
+		ExcessBlobGas:    excessBlobGas,
 	}
 
-	return execution, nil
-}
-func NewLightClientUpdateFromFinalityUpdate(update *ethpbv2.LightClientFinalityUpdate) *ethpbv2.LightClientUpdate {
-	return &ethpbv2.LightClientUpdate{
-		AttestedHeader:  update.AttestedHeader,
-		FinalizedHeader: update.FinalizedHeader,
-		FinalityBranch:  update.FinalityBranch,
-		SyncAggregate:   update.SyncAggregate,
-		SignatureSlot:   update.SignatureSlot,
+	executionPayloadProof, err := blocks.PayloadProof(ctx, block.Block())
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get execution payload proof")
 	}
-}
 
-func NewLightClientUpdateFromOptimisticUpdate(update *ethpbv2.LightClientOptimisticUpdate) *ethpbv2.LightClientUpdate {
-	return &ethpbv2.LightClientUpdate{
-		AttestedHeader: update.AttestedHeader,
-		SyncAggregate:  update.SyncAggregate,
-		SignatureSlot:  update.SignatureSlot,
+	parentRoot := block.Block().ParentRoot()
+	stateRoot := block.Block().StateRoot()
+	bodyRoot, err := block.Block().Body().HashTreeRoot()
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get body root")
 	}
+
+	return &ethpbv2.LightClientHeaderDeneb{
+		Beacon: &ethpbv1.BeaconBlockHeader{
+			Slot:          block.Block().Slot(),
+			ProposerIndex: block.Block().ProposerIndex(),
+			ParentRoot:    parentRoot[:],
+			StateRoot:     stateRoot[:],
+			BodyRoot:      bodyRoot[:],
+		},
+		Execution:       executionHeader,
+		ExecutionBranch: executionPayloadProof,
+	}, nil
 }

beacon-chain/core/light-client/lightclient_test.go

@@ -3,140 +3,746 @@ package light_client_test
 import (
 	"testing"
 
+	"github.com/pkg/errors"
+	fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
+	consensustypes "github.com/prysmaticlabs/prysm/v5/consensus-types"
+	"github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v5/encoding/ssz"
+	v11 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
+
 	lightClient "github.com/prysmaticlabs/prysm/v5/beacon-chain/core/light-client"
-	"github.com/prysmaticlabs/prysm/v5/config/params"
-	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
-	v2 "github.com/prysmaticlabs/prysm/v5/proto/eth/v2"
 	"github.com/prysmaticlabs/prysm/v5/testing/require"
 	"github.com/prysmaticlabs/prysm/v5/testing/util"
 )
 
-func TestLightClient_NewLightClientOptimisticUpdateFromBeaconStateCapella(t *testing.T) {
-	l := util.NewTestLightClient(t).SetupTestCapella()
+func TestLightClient_NewLightClientOptimisticUpdateFromBeaconState(t *testing.T) {
+	t.Run("Altair", func(t *testing.T) {
+		l := util.NewTestLightClient(t).SetupTestAltair()
 
-	update, err := lightClient.NewLightClientOptimisticUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState)
-	require.NoError(t, err)
-	require.NotNil(t, update, "update is nil")
+		update, err := lightClient.NewLightClientOptimisticUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState, l.AttestedBlock)
+		require.NoError(t, err)
+		require.NotNil(t, update, "update is nil")
+		require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
 
-	require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
+		l.CheckSyncAggregate(update.SyncAggregate)
+		l.CheckAttestedHeader(update.AttestedHeader)
+	})
 
-	l.CheckSyncAggregate(update)
-	l.CheckAttestedHeader(update)
+	t.Run("Capella", func(t *testing.T) {
+		l := util.NewTestLightClient(t).SetupTestCapella(false)
 
-	require.Equal(t, (*v2.LightClientHeaderContainer)(nil), update.FinalizedHeader, "Finalized header is not nil")
-	require.DeepSSZEqual(t, ([][]byte)(nil), update.FinalityBranch, "Finality branch is not nil")
+		update, err := lightClient.NewLightClientOptimisticUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState, l.AttestedBlock)
+		require.NoError(t, err)
+		require.NotNil(t, update, "update is nil")
+
+		require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
+
+		l.CheckSyncAggregate(update.SyncAggregate)
+		l.CheckAttestedHeader(update.AttestedHeader)
+	})
+
+	t.Run("Deneb", func(t *testing.T) {
+		l := util.NewTestLightClient(t).SetupTestDeneb(false)
+
+		update, err := lightClient.NewLightClientOptimisticUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState, l.AttestedBlock)
+		require.NoError(t, err)
+		require.NotNil(t, update, "update is nil")
+
+		require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
+
+		l.CheckSyncAggregate(update.SyncAggregate)
+		l.CheckAttestedHeader(update.AttestedHeader)
+	})
 }
 
-func TestLightClient_NewLightClientOptimisticUpdateFromBeaconStateAltair(t *testing.T) {
-	l := util.NewTestLightClient(t).SetupTestAltair()
+func TestLightClient_NewLightClientFinalityUpdateFromBeaconState(t *testing.T) {
+	t.Run("Altair", func(t *testing.T) {
+		l := util.NewTestLightClient(t).SetupTestAltair()
 
-	update, err := lightClient.NewLightClientOptimisticUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState)
-	require.NoError(t, err)
-	require.NotNil(t, update, "update is nil")
+		t.Run("FinalizedBlock Not Nil", func(t *testing.T) {
+			update, err := lightClient.NewLightClientFinalityUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState, l.AttestedBlock, l.FinalizedBlock)
+			require.NoError(t, err)
+			require.NotNil(t, update, "update is nil")
 
-	require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
+			require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
 
-	l.CheckSyncAggregate(update)
-	l.CheckAttestedHeader(update)
+			l.CheckSyncAggregate(update.SyncAggregate)
+			l.CheckAttestedHeader(update.AttestedHeader)
 
-	require.Equal(t, (*v2.LightClientHeaderContainer)(nil), update.FinalizedHeader, "Finalized header is not nil")
-	require.DeepSSZEqual(t, ([][]byte)(nil), update.FinalityBranch, "Finality branch is not nil")
+			finalizedBlockHeader, err := l.FinalizedBlock.Header()
+			require.NoError(t, err)
+
+			//zeroHash := params.BeaconConfig().ZeroHash[:]
+			require.NotNil(t, update.FinalizedHeader, "Finalized header is nil")
+			updateFinalizedHeaderBeacon, err := update.FinalizedHeader.GetBeacon()
+			require.NoError(t, err)
+			require.Equal(t, finalizedBlockHeader.Header.Slot, updateFinalizedHeaderBeacon.Slot, "Finalized header slot is not equal")
+			require.Equal(t, finalizedBlockHeader.Header.ProposerIndex, updateFinalizedHeaderBeacon.ProposerIndex, "Finalized header proposer index is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.ParentRoot, updateFinalizedHeaderBeacon.ParentRoot, "Finalized header parent root is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.StateRoot, updateFinalizedHeaderBeacon.StateRoot, "Finalized header state root is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.BodyRoot, updateFinalizedHeaderBeacon.BodyRoot, "Finalized header body root is not equal")
+			require.Equal(t, lightClient.FinalityBranchNumOfLeaves, len(update.FinalityBranch), "Invalid finality branch leaves")
+
+			finalityBranch, err := l.AttestedState.FinalizedRootProof(l.Ctx)
+			require.NoError(t, err)
+			for i, leaf := range update.FinalityBranch {
+				require.DeepSSZEqual(t, finalityBranch[i], leaf, "Leaf is not equal")
+			}
+		})
+	})
+
+	t.Run("Capella", func(t *testing.T) {
+
+		t.Run("FinalizedBlock Not Nil", func(t *testing.T) {
+			l := util.NewTestLightClient(t).SetupTestCapella(false)
+			update, err := lightClient.NewLightClientFinalityUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState, l.AttestedBlock, l.FinalizedBlock)
+			require.NoError(t, err)
+			require.NotNil(t, update, "update is nil")
+
+			require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
+
+			l.CheckSyncAggregate(update.SyncAggregate)
+			l.CheckAttestedHeader(update.AttestedHeader)
+
+			finalizedBlockHeader, err := l.FinalizedBlock.Header()
+			require.NoError(t, err)
+			require.NotNil(t, update.FinalizedHeader, "Finalized header is nil")
+			updateFinalizedHeaderBeacon, err := update.FinalizedHeader.GetBeacon()
+			require.NoError(t, err)
+			require.Equal(t, finalizedBlockHeader.Header.Slot, updateFinalizedHeaderBeacon.Slot, "Finalized header slot is not equal")
+			require.Equal(t, finalizedBlockHeader.Header.ProposerIndex, updateFinalizedHeaderBeacon.ProposerIndex, "Finalized header proposer index is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.ParentRoot, updateFinalizedHeaderBeacon.ParentRoot, "Finalized header parent root is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.StateRoot, updateFinalizedHeaderBeacon.StateRoot, "Finalized header state root is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.BodyRoot, updateFinalizedHeaderBeacon.BodyRoot, "Finalized header body root is not equal")
+			require.Equal(t, lightClient.FinalityBranchNumOfLeaves, len(update.FinalityBranch), "Invalid finality branch leaves")
+			finalityBranch, err := l.AttestedState.FinalizedRootProof(l.Ctx)
+			require.NoError(t, err)
+			for i, leaf := range update.FinalityBranch {
+				require.DeepSSZEqual(t, finalityBranch[i], leaf, "Leaf is not equal")
+			}
+
+			// Check Execution BlockHash
+			payloadInterface, err := l.FinalizedBlock.Block().Body().Execution()
+			require.NoError(t, err)
+			transactionsRoot, err := payloadInterface.TransactionsRoot()
+			if errors.Is(err, consensustypes.ErrUnsupportedField) {
+				transactions, err := payloadInterface.Transactions()
+				require.NoError(t, err)
+				transactionsRootArray, err := ssz.TransactionsRoot(transactions)
+				require.NoError(t, err)
+				transactionsRoot = transactionsRootArray[:]
+			} else {
+				require.NoError(t, err)
+			}
+			withdrawalsRoot, err := payloadInterface.WithdrawalsRoot()
+			if errors.Is(err, consensustypes.ErrUnsupportedField) {
+				withdrawals, err := payloadInterface.Withdrawals()
+				require.NoError(t, err)
+				withdrawalsRootArray, err := ssz.WithdrawalSliceRoot(withdrawals, fieldparams.MaxWithdrawalsPerPayload)
+				require.NoError(t, err)
+				withdrawalsRoot = withdrawalsRootArray[:]
+			} else {
+				require.NoError(t, err)
+			}
+			execution := &v11.ExecutionPayloadHeaderCapella{
+				ParentHash:       payloadInterface.ParentHash(),
+				FeeRecipient:     payloadInterface.FeeRecipient(),
+				StateRoot:        payloadInterface.StateRoot(),
+				ReceiptsRoot:     payloadInterface.ReceiptsRoot(),
+				LogsBloom:        payloadInterface.LogsBloom(),
+				PrevRandao:       payloadInterface.PrevRandao(),
+				BlockNumber:      payloadInterface.BlockNumber(),
+				GasLimit:         payloadInterface.GasLimit(),
+				GasUsed:          payloadInterface.GasUsed(),
+				Timestamp:        payloadInterface.Timestamp(),
+				ExtraData:        payloadInterface.ExtraData(),
+				BaseFeePerGas:    payloadInterface.BaseFeePerGas(),
+				BlockHash:        payloadInterface.BlockHash(),
+				TransactionsRoot: transactionsRoot,
+				WithdrawalsRoot:  withdrawalsRoot,
+			}
+			require.DeepSSZEqual(t, execution, update.FinalizedHeader.GetHeaderCapella().Execution, "Finalized Block Execution is not equal")
+		})
+
+		t.Run("FinalizedBlock In Previous Fork", func(t *testing.T) {
+			l := util.NewTestLightClient(t).SetupTestCapellaFinalizedBlockAltair(false)
+			update, err := lightClient.NewLightClientFinalityUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState, l.AttestedBlock, l.FinalizedBlock)
+			require.NoError(t, err)
+			require.NotNil(t, update, "update is nil")
+
+			require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
+
+			l.CheckSyncAggregate(update.SyncAggregate)
+			l.CheckAttestedHeader(update.AttestedHeader)
+
+			finalizedBlockHeader, err := l.FinalizedBlock.Header()
+			require.NoError(t, err)
+			require.NotNil(t, update.FinalizedHeader, "Finalized header is nil")
+			updateFinalizedHeaderBeacon, err := update.FinalizedHeader.GetBeacon()
+			require.NoError(t, err)
+			require.Equal(t, finalizedBlockHeader.Header.Slot, updateFinalizedHeaderBeacon.Slot, "Finalized header slot is not equal")
+			require.Equal(t, finalizedBlockHeader.Header.ProposerIndex, updateFinalizedHeaderBeacon.ProposerIndex, "Finalized header proposer index is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.ParentRoot, updateFinalizedHeaderBeacon.ParentRoot, "Finalized header parent root is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.StateRoot, updateFinalizedHeaderBeacon.StateRoot, "Finalized header state root is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.BodyRoot, updateFinalizedHeaderBeacon.BodyRoot, "Finalized header body root is not equal")
+			require.Equal(t, lightClient.FinalityBranchNumOfLeaves, len(update.FinalityBranch), "Invalid finality branch leaves")
+			finalityBranch, err := l.AttestedState.FinalizedRootProof(l.Ctx)
+			require.NoError(t, err)
+			for i, leaf := range update.FinalityBranch {
+				require.DeepSSZEqual(t, finalityBranch[i], leaf, "Leaf is not equal")
+			}
+		})
+	})
+
+	t.Run("Deneb", func(t *testing.T) {
+
+		t.Run("FinalizedBlock Not Nil", func(t *testing.T) {
+			l := util.NewTestLightClient(t).SetupTestDeneb(false)
+
+			update, err := lightClient.NewLightClientFinalityUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState, l.AttestedBlock, l.FinalizedBlock)
+			require.NoError(t, err)
+			require.NotNil(t, update, "update is nil")
+
+			require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
+
+			l.CheckSyncAggregate(update.SyncAggregate)
+			l.CheckAttestedHeader(update.AttestedHeader)
+
+			//zeroHash := params.BeaconConfig().ZeroHash[:]
+			finalizedBlockHeader, err := l.FinalizedBlock.Header()
+			require.NoError(t, err)
+			require.NotNil(t, update.FinalizedHeader, "Finalized header is nil")
+			updateFinalizedHeaderBeacon, err := update.FinalizedHeader.GetBeacon()
+			require.NoError(t, err)
+			require.Equal(t, finalizedBlockHeader.Header.Slot, updateFinalizedHeaderBeacon.Slot, "Finalized header slot is not equal")
+			require.Equal(t, finalizedBlockHeader.Header.ProposerIndex, updateFinalizedHeaderBeacon.ProposerIndex, "Finalized header proposer index is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.ParentRoot, updateFinalizedHeaderBeacon.ParentRoot, "Finalized header parent root is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.StateRoot, updateFinalizedHeaderBeacon.StateRoot, "Finalized header state root is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.BodyRoot, updateFinalizedHeaderBeacon.BodyRoot, "Finalized header body root is not equal")
+			require.Equal(t, lightClient.FinalityBranchNumOfLeaves, len(update.FinalityBranch), "Invalid finality branch leaves")
+			finalityBranch, err := l.AttestedState.FinalizedRootProof(l.Ctx)
+			require.NoError(t, err)
+			for i, leaf := range update.FinalityBranch {
+				require.DeepSSZEqual(t, finalityBranch[i], leaf, "Leaf is not equal")
+			}
+
+			// Check Execution BlockHash
+			payloadInterface, err := l.FinalizedBlock.Block().Body().Execution()
+			require.NoError(t, err)
+			transactionsRoot, err := payloadInterface.TransactionsRoot()
+			if errors.Is(err, consensustypes.ErrUnsupportedField) {
+				transactions, err := payloadInterface.Transactions()
+				require.NoError(t, err)
+				transactionsRootArray, err := ssz.TransactionsRoot(transactions)
+				require.NoError(t, err)
+				transactionsRoot = transactionsRootArray[:]
+			} else {
+				require.NoError(t, err)
+			}
+			withdrawalsRoot, err := payloadInterface.WithdrawalsRoot()
+			if errors.Is(err, consensustypes.ErrUnsupportedField) {
+				withdrawals, err := payloadInterface.Withdrawals()
+				require.NoError(t, err)
+				withdrawalsRootArray, err := ssz.WithdrawalSliceRoot(withdrawals, fieldparams.MaxWithdrawalsPerPayload)
+				require.NoError(t, err)
+				withdrawalsRoot = withdrawalsRootArray[:]
+			} else {
+				require.NoError(t, err)
+			}
+			execution := &v11.ExecutionPayloadHeaderDeneb{
+				ParentHash:       payloadInterface.ParentHash(),
+				FeeRecipient:     payloadInterface.FeeRecipient(),
+				StateRoot:        payloadInterface.StateRoot(),
+				ReceiptsRoot:     payloadInterface.ReceiptsRoot(),
+				LogsBloom:        payloadInterface.LogsBloom(),
+				PrevRandao:       payloadInterface.PrevRandao(),
+				BlockNumber:      payloadInterface.BlockNumber(),
+				GasLimit:         payloadInterface.GasLimit(),
+				GasUsed:          payloadInterface.GasUsed(),
+				Timestamp:        payloadInterface.Timestamp(),
+				ExtraData:        payloadInterface.ExtraData(),
+				BaseFeePerGas:    payloadInterface.BaseFeePerGas(),
+				BlockHash:        payloadInterface.BlockHash(),
+				TransactionsRoot: transactionsRoot,
+				WithdrawalsRoot:  withdrawalsRoot,
+			}
+			require.DeepSSZEqual(t, execution, update.FinalizedHeader.GetHeaderDeneb().Execution, "Finalized Block Execution is not equal")
+		})
+
+		t.Run("FinalizedBlock In Previous Fork", func(t *testing.T) {
+			l := util.NewTestLightClient(t).SetupTestDenebFinalizedBlockCapella(false)
+
+			update, err := lightClient.NewLightClientFinalityUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState, l.AttestedBlock, l.FinalizedBlock)
+			require.NoError(t, err)
+			require.NotNil(t, update, "update is nil")
+
+			require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
+
+			l.CheckSyncAggregate(update.SyncAggregate)
+			l.CheckAttestedHeader(update.AttestedHeader)
+
+			finalizedBlockHeader, err := l.FinalizedBlock.Header()
+			require.NoError(t, err)
+			require.NotNil(t, update.FinalizedHeader, "Finalized header is nil")
+			updateFinalizedHeaderBeacon, err := update.FinalizedHeader.GetBeacon()
+			require.NoError(t, err)
+			require.Equal(t, finalizedBlockHeader.Header.Slot, updateFinalizedHeaderBeacon.Slot, "Finalized header slot is not equal")
+			require.Equal(t, finalizedBlockHeader.Header.ProposerIndex, updateFinalizedHeaderBeacon.ProposerIndex, "Finalized header proposer index is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.ParentRoot, updateFinalizedHeaderBeacon.ParentRoot, "Finalized header parent root is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.StateRoot, updateFinalizedHeaderBeacon.StateRoot, "Finalized header state root is not equal")
+			require.DeepSSZEqual(t, finalizedBlockHeader.Header.BodyRoot, updateFinalizedHeaderBeacon.BodyRoot, "Finalized header body root is not equal")
+			require.Equal(t, lightClient.FinalityBranchNumOfLeaves, len(update.FinalityBranch), "Invalid finality branch leaves")
+			finalityBranch, err := l.AttestedState.FinalizedRootProof(l.Ctx)
+			require.NoError(t, err)
+			for i, leaf := range update.FinalityBranch {
+				require.DeepSSZEqual(t, finalityBranch[i], leaf, "Leaf is not equal")
+			}
+
+			// Check Execution BlockHash
+			payloadInterface, err := l.FinalizedBlock.Block().Body().Execution()
+			require.NoError(t, err)
+			transactionsRoot, err := payloadInterface.TransactionsRoot()
+			if errors.Is(err, consensustypes.ErrUnsupportedField) {
+				transactions, err := payloadInterface.Transactions()
+				require.NoError(t, err)
+				transactionsRootArray, err := ssz.TransactionsRoot(transactions)
+				require.NoError(t, err)
+				transactionsRoot = transactionsRootArray[:]
+			} else {
+				require.NoError(t, err)
+			}
+			withdrawalsRoot, err := payloadInterface.WithdrawalsRoot()
+			if errors.Is(err, consensustypes.ErrUnsupportedField) {
+				withdrawals, err := payloadInterface.Withdrawals()
+				require.NoError(t, err)
+				withdrawalsRootArray, err := ssz.WithdrawalSliceRoot(withdrawals, fieldparams.MaxWithdrawalsPerPayload)
+				require.NoError(t, err)
+				withdrawalsRoot = withdrawalsRootArray[:]
+			} else {
+				require.NoError(t, err)
+			}
+			execution := &v11.ExecutionPayloadHeaderCapella{
+				ParentHash:       payloadInterface.ParentHash(),
+				FeeRecipient:     payloadInterface.FeeRecipient(),
+				StateRoot:        payloadInterface.StateRoot(),
+				ReceiptsRoot:     payloadInterface.ReceiptsRoot(),
+				LogsBloom:        payloadInterface.LogsBloom(),
+				PrevRandao:       payloadInterface.PrevRandao(),
+				BlockNumber:      payloadInterface.BlockNumber(),
+				GasLimit:         payloadInterface.GasLimit(),
+				GasUsed:          payloadInterface.GasUsed(),
+				Timestamp:        payloadInterface.Timestamp(),
+				ExtraData:        payloadInterface.ExtraData(),
+				BaseFeePerGas:    payloadInterface.BaseFeePerGas(),
+				BlockHash:        payloadInterface.BlockHash(),
+				TransactionsRoot: transactionsRoot,
+				WithdrawalsRoot:  withdrawalsRoot,
+			}
+			require.DeepSSZEqual(t, execution, update.FinalizedHeader.GetHeaderCapella().Execution, "Finalized Block Execution is not equal")
+		})
+	})
 }
 
-func TestLightClient_NewLightClientOptimisticUpdateFromBeaconStateDeneb(t *testing.T) {
-	l := util.NewTestLightClient(t).SetupTestDeneb()
+func TestLightClient_BlockToLightClientHeader(t *testing.T) {
+	t.Run("Altair", func(t *testing.T) {
+		l := util.NewTestLightClient(t).SetupTestAltair()
 
-	update, err := lightClient.NewLightClientOptimisticUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState)
-	require.NoError(t, err)
-	require.NotNil(t, update, "update is nil")
+		container, err := lightClient.BlockToLightClientHeader(l.Block)
+		require.NoError(t, err)
+		header := container.GetHeaderAltair()
+		require.NotNil(t, header, "header is nil")
 
-	require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
+		parentRoot := l.Block.Block().ParentRoot()
+		stateRoot := l.Block.Block().StateRoot()
+		bodyRoot, err := l.Block.Block().Body().HashTreeRoot()
+		require.NoError(t, err)
 
-	l.CheckSyncAggregate(update)
-	l.CheckAttestedHeader(update)
+		require.Equal(t, l.Block.Block().Slot(), header.Beacon.Slot, "Slot is not equal")
+		require.Equal(t, l.Block.Block().ProposerIndex(), header.Beacon.ProposerIndex, "Proposer index is not equal")
+		require.DeepSSZEqual(t, parentRoot[:], header.Beacon.ParentRoot, "Parent root is not equal")
+		require.DeepSSZEqual(t, stateRoot[:], header.Beacon.StateRoot, "State root is not equal")
+		require.DeepSSZEqual(t, bodyRoot[:], header.Beacon.BodyRoot, "Body root is not equal")
+	})
 
-	require.Equal(t, (*v2.LightClientHeaderContainer)(nil), update.FinalizedHeader, "Finalized header is not nil")
-	require.DeepSSZEqual(t, ([][]byte)(nil), update.FinalityBranch, "Finality branch is not nil")
+	t.Run("Bellatrix", func(t *testing.T) {
+		l := util.NewTestLightClient(t).SetupTestBellatrix()
+
+		container, err := lightClient.BlockToLightClientHeader(l.Block)
+		require.NoError(t, err)
+		header := container.GetHeaderAltair()
+		require.NotNil(t, header, "header is nil")
+
+		parentRoot := l.Block.Block().ParentRoot()
+		stateRoot := l.Block.Block().StateRoot()
+		bodyRoot, err := l.Block.Block().Body().HashTreeRoot()
+		require.NoError(t, err)
+
+		require.Equal(t, l.Block.Block().Slot(), header.Beacon.Slot, "Slot is not equal")
+		require.Equal(t, l.Block.Block().ProposerIndex(), header.Beacon.ProposerIndex, "Proposer index is not equal")
+		require.DeepSSZEqual(t, parentRoot[:], header.Beacon.ParentRoot, "Parent root is not equal")
+		require.DeepSSZEqual(t, stateRoot[:], header.Beacon.StateRoot, "State root is not equal")
+		require.DeepSSZEqual(t, bodyRoot[:], header.Beacon.BodyRoot, "Body root is not equal")
+	})
+
+	t.Run("Capella", func(t *testing.T) {
+		t.Run("Non-Blinded Beacon Block", func(t *testing.T) {
+			l := util.NewTestLightClient(t).SetupTestCapella(false)
+
+			container, err := lightClient.BlockToLightClientHeader(l.Block)
+			require.NoError(t, err)
+			header := container.GetHeaderCapella()
+			require.NotNil(t, header, "header is nil")
+
+			parentRoot := l.Block.Block().ParentRoot()
+			stateRoot := l.Block.Block().StateRoot()
+			bodyRoot, err := l.Block.Block().Body().HashTreeRoot()
+			require.NoError(t, err)
+
+			payload, err := l.Block.Block().Body().Execution()
+			require.NoError(t, err)
+
+			transactionsRoot, err := lightClient.ComputeTransactionsRoot(payload)
+			require.NoError(t, err)
+
+			withdrawalsRoot, err := lightClient.ComputeWithdrawalsRoot(payload)
+			require.NoError(t, err)
+
+			executionHeader := &v11.ExecutionPayloadHeaderCapella{
+				ParentHash:       payload.ParentHash(),
+				FeeRecipient:     payload.FeeRecipient(),
+				StateRoot:        payload.StateRoot(),
+				ReceiptsRoot:     payload.ReceiptsRoot(),
+				LogsBloom:        payload.LogsBloom(),
+				PrevRandao:       payload.PrevRandao(),
+				BlockNumber:      payload.BlockNumber(),
+				GasLimit:         payload.GasLimit(),
+				GasUsed:          payload.GasUsed(),
+				Timestamp:        payload.Timestamp(),
+				ExtraData:        payload.ExtraData(),
+				BaseFeePerGas:    payload.BaseFeePerGas(),
+				BlockHash:        payload.BlockHash(),
+				TransactionsRoot: transactionsRoot,
+				WithdrawalsRoot:  withdrawalsRoot,
+			}
+
+			executionPayloadProof, err := blocks.PayloadProof(l.Ctx, l.Block.Block())
+			require.NoError(t, err)
+
+			require.Equal(t, l.Block.Block().Slot(), header.Beacon.Slot, "Slot is not equal")
+			require.Equal(t, l.Block.Block().ProposerIndex(), header.Beacon.ProposerIndex, "Proposer index is not equal")
+			require.DeepSSZEqual(t, parentRoot[:], header.Beacon.ParentRoot, "Parent root is not equal")
+			require.DeepSSZEqual(t, stateRoot[:], header.Beacon.StateRoot, "State root is not equal")
+			require.DeepSSZEqual(t, bodyRoot[:], header.Beacon.BodyRoot, "Body root is not equal")
+
+			require.DeepSSZEqual(t, executionHeader, header.Execution, "Execution headers are not equal")
+
+			require.DeepSSZEqual(t, executionPayloadProof, header.ExecutionBranch, "Execution payload proofs are not equal")
+		})
+
+		t.Run("Blinded Beacon Block", func(t *testing.T) {
+			l := util.NewTestLightClient(t).SetupTestCapella(true)
+
+			container, err := lightClient.BlockToLightClientHeader(l.Block)
+			require.NoError(t, err)
+			header := container.GetHeaderCapella()
+			require.NotNil(t, header, "header is nil")
+
+			parentRoot := l.Block.Block().ParentRoot()
+			stateRoot := l.Block.Block().StateRoot()
+			bodyRoot, err := l.Block.Block().Body().HashTreeRoot()
+			require.NoError(t, err)
+
+			payload, err := l.Block.Block().Body().Execution()
+			require.NoError(t, err)
+
+			transactionsRoot, err := payload.TransactionsRoot()
+			require.NoError(t, err)
+
+			withdrawalsRoot, err := payload.WithdrawalsRoot()
+			require.NoError(t, err)
+
+			executionHeader := &v11.ExecutionPayloadHeaderCapella{
+				ParentHash:       payload.ParentHash(),
+				FeeRecipient:     payload.FeeRecipient(),
+				StateRoot:        payload.StateRoot(),
+				ReceiptsRoot:     payload.ReceiptsRoot(),
+				LogsBloom:        payload.LogsBloom(),
+				PrevRandao:       payload.PrevRandao(),
+				BlockNumber:      payload.BlockNumber(),
+				GasLimit:         payload.GasLimit(),
+				GasUsed:          payload.GasUsed(),
+				Timestamp:        payload.Timestamp(),
+				ExtraData:        payload.ExtraData(),
+				BaseFeePerGas:    payload.BaseFeePerGas(),
+				BlockHash:        payload.BlockHash(),
+				TransactionsRoot: transactionsRoot,
+				WithdrawalsRoot:  withdrawalsRoot,
+			}
+
+			executionPayloadProof, err := blocks.PayloadProof(l.Ctx, l.Block.Block())
+			require.NoError(t, err)
+
+			require.Equal(t, l.Block.Block().Slot(), header.Beacon.Slot, "Slot is not equal")
+			require.Equal(t, l.Block.Block().ProposerIndex(), header.Beacon.ProposerIndex, "Proposer index is not equal")
+			require.DeepSSZEqual(t, parentRoot[:], header.Beacon.ParentRoot, "Parent root is not equal")
+			require.DeepSSZEqual(t, stateRoot[:], header.Beacon.StateRoot, "State root is not equal")
+			require.DeepSSZEqual(t, bodyRoot[:], header.Beacon.BodyRoot, "Body root is not equal")
+
+			require.DeepSSZEqual(t, executionHeader, header.Execution, "Execution headers are not equal")
+
+			require.DeepSSZEqual(t, executionPayloadProof, header.ExecutionBranch, "Execution payload proofs are not equal")
+		})
+	})
+
+	t.Run("Deneb", func(t *testing.T) {
+		t.Run("Non-Blinded Beacon Block", func(t *testing.T) {
+			l := util.NewTestLightClient(t).SetupTestDeneb(false)
+
+			container, err := lightClient.BlockToLightClientHeader(l.Block)
+			require.NoError(t, err)
+			header := container.GetHeaderDeneb()
+			require.NotNil(t, header, "header is nil")
+
+			parentRoot := l.Block.Block().ParentRoot()
+			stateRoot := l.Block.Block().StateRoot()
+			bodyRoot, err := l.Block.Block().Body().HashTreeRoot()
+			require.NoError(t, err)
+
+			payload, err := l.Block.Block().Body().Execution()
+			require.NoError(t, err)
+
+			transactionsRoot, err := lightClient.ComputeTransactionsRoot(payload)
+			require.NoError(t, err)
+
+			withdrawalsRoot, err := lightClient.ComputeWithdrawalsRoot(payload)
+			require.NoError(t, err)
+
+			blobGasUsed, err := payload.BlobGasUsed()
+			require.NoError(t, err)
+
+			excessBlobGas, err := payload.ExcessBlobGas()
+			require.NoError(t, err)
+
+			executionHeader := &v11.ExecutionPayloadHeaderDeneb{
+				ParentHash:       payload.ParentHash(),
+				FeeRecipient:     payload.FeeRecipient(),
+				StateRoot:        payload.StateRoot(),
+				ReceiptsRoot:     payload.ReceiptsRoot(),
+				LogsBloom:        payload.LogsBloom(),
+				PrevRandao:       payload.PrevRandao(),
+				BlockNumber:      payload.BlockNumber(),
+				GasLimit:         payload.GasLimit(),
+				GasUsed:          payload.GasUsed(),
+				Timestamp:        payload.Timestamp(),
+				ExtraData:        payload.ExtraData(),
+				BaseFeePerGas:    payload.BaseFeePerGas(),
+				BlockHash:        payload.BlockHash(),
+				TransactionsRoot: transactionsRoot,
+				WithdrawalsRoot:  withdrawalsRoot,
+				BlobGasUsed:      blobGasUsed,
+				ExcessBlobGas:    excessBlobGas,
+			}
+
+			executionPayloadProof, err := blocks.PayloadProof(l.Ctx, l.Block.Block())
+			require.NoError(t, err)
+
+			require.Equal(t, l.Block.Block().Slot(), header.Beacon.Slot, "Slot is not equal")
+			require.Equal(t, l.Block.Block().ProposerIndex(), header.Beacon.ProposerIndex, "Proposer index is not equal")
+			require.DeepSSZEqual(t, parentRoot[:], header.Beacon.ParentRoot, "Parent root is not equal")
+			require.DeepSSZEqual(t, stateRoot[:], header.Beacon.StateRoot, "State root is not equal")
+			require.DeepSSZEqual(t, bodyRoot[:], header.Beacon.BodyRoot, "Body root is not equal")
+
+			require.DeepSSZEqual(t, executionHeader, header.Execution, "Execution headers are not equal")
+
+			require.DeepSSZEqual(t, executionPayloadProof, header.ExecutionBranch, "Execution payload proofs are not equal")
+		})
+
+		t.Run("Blinded Beacon Block", func(t *testing.T) {
+			l := util.NewTestLightClient(t).SetupTestDeneb(true)
+
+			container, err := lightClient.BlockToLightClientHeader(l.Block)
+			require.NoError(t, err)
+			header := container.GetHeaderDeneb()
+			require.NotNil(t, header, "header is nil")
+
+			parentRoot := l.Block.Block().ParentRoot()
+			stateRoot := l.Block.Block().StateRoot()
+			bodyRoot, err := l.Block.Block().Body().HashTreeRoot()
+			require.NoError(t, err)
+
+			payload, err := l.Block.Block().Body().Execution()
+			require.NoError(t, err)
+
+			transactionsRoot, err := payload.TransactionsRoot()
+			require.NoError(t, err)
+
+			withdrawalsRoot, err := payload.WithdrawalsRoot()
+			require.NoError(t, err)
+
+			blobGasUsed, err := payload.BlobGasUsed()
+			require.NoError(t, err)
+
+			excessBlobGas, err := payload.ExcessBlobGas()
+			require.NoError(t, err)
+
+			executionHeader := &v11.ExecutionPayloadHeaderDeneb{
+				ParentHash:       payload.ParentHash(),
+				FeeRecipient:     payload.FeeRecipient(),
+				StateRoot:        payload.StateRoot(),
+				ReceiptsRoot:     payload.ReceiptsRoot(),
+				LogsBloom:        payload.LogsBloom(),
+				PrevRandao:       payload.PrevRandao(),
+				BlockNumber:      payload.BlockNumber(),
+				GasLimit:         payload.GasLimit(),
+				GasUsed:          payload.GasUsed(),
+				Timestamp:        payload.Timestamp(),
+				ExtraData:        payload.ExtraData(),
+				BaseFeePerGas:    payload.BaseFeePerGas(),
+				BlockHash:        payload.BlockHash(),
+				TransactionsRoot: transactionsRoot,
+				WithdrawalsRoot:  withdrawalsRoot,
+				BlobGasUsed:      blobGasUsed,
+				ExcessBlobGas:    excessBlobGas,
+			}
+
+			executionPayloadProof, err := blocks.PayloadProof(l.Ctx, l.Block.Block())
+			require.NoError(t, err)
+
+			require.Equal(t, l.Block.Block().Slot(), header.Beacon.Slot, "Slot is not equal")
+			require.Equal(t, l.Block.Block().ProposerIndex(), header.Beacon.ProposerIndex, "Proposer index is not equal")
+			require.DeepSSZEqual(t, parentRoot[:], header.Beacon.ParentRoot, "Parent root is not equal")
+			require.DeepSSZEqual(t, stateRoot[:], header.Beacon.StateRoot, "State root is not equal")
+			require.DeepSSZEqual(t, bodyRoot[:], header.Beacon.BodyRoot, "Body root is not equal")
+
+			require.DeepSSZEqual(t, executionHeader, header.Execution, "Execution headers are not equal")
+
+			require.DeepSSZEqual(t, executionPayloadProof, header.ExecutionBranch, "Execution payload proofs are not equal")
+		})
+	})
+
+	t.Run("Electra", func(t *testing.T) {
+		t.Run("Non-Blinded Beacon Block", func(t *testing.T) {
+			l := util.NewTestLightClient(t).SetupTestElectra(false)
+
+			container, err := lightClient.BlockToLightClientHeader(l.Block)
+			require.NoError(t, err)
+			header := container.GetHeaderDeneb()
+			require.NotNil(t, header, "header is nil")
+
+			parentRoot := l.Block.Block().ParentRoot()
+			stateRoot := l.Block.Block().StateRoot()
+			bodyRoot, err := l.Block.Block().Body().HashTreeRoot()
+			require.NoError(t, err)
+
+			payload, err := l.Block.Block().Body().Execution()
+			require.NoError(t, err)
+
+			transactionsRoot, err := lightClient.ComputeTransactionsRoot(payload)
+			require.NoError(t, err)
+
+			withdrawalsRoot, err := lightClient.ComputeWithdrawalsRoot(payload)
+			require.NoError(t, err)
+
+			blobGasUsed, err := payload.BlobGasUsed()
+			require.NoError(t, err)
+
+			excessBlobGas, err := payload.ExcessBlobGas()
+			require.NoError(t, err)
+
+			executionHeader := &v11.ExecutionPayloadHeaderElectra{
+				ParentHash:       payload.ParentHash(),
+				FeeRecipient:     payload.FeeRecipient(),
+				StateRoot:        payload.StateRoot(),
+				ReceiptsRoot:     payload.ReceiptsRoot(),
+				LogsBloom:        payload.LogsBloom(),
+				PrevRandao:       payload.PrevRandao(),
+				BlockNumber:      payload.BlockNumber(),
+				GasLimit:         payload.GasLimit(),
+				GasUsed:          payload.GasUsed(),
+				Timestamp:        payload.Timestamp(),
+				ExtraData:        payload.ExtraData(),
+				BaseFeePerGas:    payload.BaseFeePerGas(),
+				BlockHash:        payload.BlockHash(),
+				TransactionsRoot: transactionsRoot,
+				WithdrawalsRoot:  withdrawalsRoot,
+				BlobGasUsed:      blobGasUsed,
+				ExcessBlobGas:    excessBlobGas,
+			}
+
+			executionPayloadProof, err := blocks.PayloadProof(l.Ctx, l.Block.Block())
+			require.NoError(t, err)
+
+			require.Equal(t, l.Block.Block().Slot(), header.Beacon.Slot, "Slot is not equal")
+			require.Equal(t, l.Block.Block().ProposerIndex(), header.Beacon.ProposerIndex, "Proposer index is not equal")
+			require.DeepSSZEqual(t, parentRoot[:], header.Beacon.ParentRoot, "Parent root is not equal")
+			require.DeepSSZEqual(t, stateRoot[:], header.Beacon.StateRoot, "State root is not equal")
+			require.DeepSSZEqual(t, bodyRoot[:], header.Beacon.BodyRoot, "Body root is not equal")
+
+			require.DeepSSZEqual(t, executionHeader, header.Execution, "Execution headers are not equal")
+
+			require.DeepSSZEqual(t, executionPayloadProof, header.ExecutionBranch, "Execution payload proofs are not equal")
+		})
+
+		t.Run("Blinded Beacon Block", func(t *testing.T) {
+			l := util.NewTestLightClient(t).SetupTestElectra(true)
+
+			container, err := lightClient.BlockToLightClientHeader(l.Block)
+			require.NoError(t, err)
+			header := container.GetHeaderDeneb()
+			require.NotNil(t, header, "header is nil")
+
+			parentRoot := l.Block.Block().ParentRoot()
+			stateRoot := l.Block.Block().StateRoot()
+			bodyRoot, err := l.Block.Block().Body().HashTreeRoot()
+			require.NoError(t, err)
+
+			payload, err := l.Block.Block().Body().Execution()
+			require.NoError(t, err)
+
+			transactionsRoot, err := payload.TransactionsRoot()
+			require.NoError(t, err)
+
+			withdrawalsRoot, err := payload.WithdrawalsRoot()
+			require.NoError(t, err)
+
+			blobGasUsed, err := payload.BlobGasUsed()
+			require.NoError(t, err)
+
+			excessBlobGas, err := payload.ExcessBlobGas()
+			require.NoError(t, err)
+
+			executionHeader := &v11.ExecutionPayloadHeaderElectra{
+				ParentHash:       payload.ParentHash(),
+				FeeRecipient:     payload.FeeRecipient(),
+				StateRoot:        payload.StateRoot(),
+				ReceiptsRoot:     payload.ReceiptsRoot(),
+				LogsBloom:        payload.LogsBloom(),
+				PrevRandao:       payload.PrevRandao(),
+				BlockNumber:      payload.BlockNumber(),
+				GasLimit:         payload.GasLimit(),
+				GasUsed:          payload.GasUsed(),
+				Timestamp:        payload.Timestamp(),
+				ExtraData:        payload.ExtraData(),
+				BaseFeePerGas:    payload.BaseFeePerGas(),
+				BlockHash:        payload.BlockHash(),
+				TransactionsRoot: transactionsRoot,
+				WithdrawalsRoot:  withdrawalsRoot,
+				BlobGasUsed:      blobGasUsed,
+				ExcessBlobGas:    excessBlobGas,
+			}
+
+			executionPayloadProof, err := blocks.PayloadProof(l.Ctx, l.Block.Block())
+			require.NoError(t, err)
+
+			require.Equal(t, l.Block.Block().Slot(), header.Beacon.Slot, "Slot is not equal")
+			require.Equal(t, l.Block.Block().ProposerIndex(), header.Beacon.ProposerIndex, "Proposer index is not equal")
+			require.DeepSSZEqual(t, parentRoot[:], header.Beacon.ParentRoot, "Parent root is not equal")
+			require.DeepSSZEqual(t, stateRoot[:], header.Beacon.StateRoot, "State root is not equal")
+			require.DeepSSZEqual(t, bodyRoot[:], header.Beacon.BodyRoot, "Body root is not equal")
+
+			require.DeepSSZEqual(t, executionHeader, header.Execution, "Execution headers are not equal")
+
+			require.DeepSSZEqual(t, executionPayloadProof, header.ExecutionBranch, "Execution payload proofs are not equal")
+		})
+	})
 }
-func TestLightClient_NewLightClientFinalityUpdateFromBeaconStateCapella(t *testing.T) {
-	l := util.NewTestLightClient(t).SetupTestCapella()
-	update, err := lightClient.NewLightClientFinalityUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState, nil)
-	require.NoError(t, err)
-	require.NotNil(t, update, "update is nil")
-
-	require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
-
-	l.CheckSyncAggregate(update)
-	l.CheckAttestedHeader(update)
-
-	zeroHash := params.BeaconConfig().ZeroHash[:]
-	require.NotNil(t, update.FinalizedHeader, "Finalized header is nil")
-	updateFinalizedHeaderBeacon, err := update.FinalizedHeader.GetBeacon()
-	require.NoError(t, err)
-	require.Equal(t, primitives.Slot(0), updateFinalizedHeaderBeacon.Slot, "Finalized header slot is not zero")
-	require.Equal(t, primitives.ValidatorIndex(0), updateFinalizedHeaderBeacon.ProposerIndex, "Finalized header proposer index is not zero")
-	require.DeepSSZEqual(t, zeroHash, updateFinalizedHeaderBeacon.ParentRoot, "Finalized header parent root is not zero")
-	require.DeepSSZEqual(t, zeroHash, updateFinalizedHeaderBeacon.StateRoot, "Finalized header state root is not zero")
-	require.DeepSSZEqual(t, zeroHash, updateFinalizedHeaderBeacon.BodyRoot, "Finalized header body root is not zero")
-	require.Equal(t, lightClient.FinalityBranchNumOfLeaves, len(update.FinalityBranch), "Invalid finality branch leaves")
-	for _, leaf := range update.FinalityBranch {
-		require.DeepSSZEqual(t, zeroHash, leaf, "Leaf is not zero")
-	}
-}
-
-func TestLightClient_NewLightClientFinalityUpdateFromBeaconStateAltair(t *testing.T) {
-	l := util.NewTestLightClient(t).SetupTestAltair()
-
-	update, err := lightClient.NewLightClientFinalityUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState, nil)
-	require.NoError(t, err)
-	require.NotNil(t, update, "update is nil")
-
-	require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
-
-	l.CheckSyncAggregate(update)
-	l.CheckAttestedHeader(update)
-
-	zeroHash := params.BeaconConfig().ZeroHash[:]
-	require.NotNil(t, update.FinalizedHeader, "Finalized header is nil")
-	updateFinalizedHeaderBeacon, err := update.FinalizedHeader.GetBeacon()
-	require.NoError(t, err)
-	require.Equal(t, primitives.Slot(0), updateFinalizedHeaderBeacon.Slot, "Finalized header slot is not zero")
-	require.Equal(t, primitives.ValidatorIndex(0), updateFinalizedHeaderBeacon.ProposerIndex, "Finalized header proposer index is not zero")
-	require.DeepSSZEqual(t, zeroHash, updateFinalizedHeaderBeacon.ParentRoot, "Finalized header parent root is not zero")
-	require.DeepSSZEqual(t, zeroHash, updateFinalizedHeaderBeacon.StateRoot, "Finalized header state root is not zero")
-	require.DeepSSZEqual(t, zeroHash, updateFinalizedHeaderBeacon.BodyRoot, "Finalized header body root is not zero")
-	require.Equal(t, lightClient.FinalityBranchNumOfLeaves, len(update.FinalityBranch), "Invalid finality branch leaves")
-	for _, leaf := range update.FinalityBranch {
-		require.DeepSSZEqual(t, zeroHash, leaf, "Leaf is not zero")
-	}
-}
-
-func TestLightClient_NewLightClientFinalityUpdateFromBeaconStateDeneb(t *testing.T) {
-	l := util.NewTestLightClient(t).SetupTestDeneb()
-
-	update, err := lightClient.NewLightClientFinalityUpdateFromBeaconState(l.Ctx, l.State, l.Block, l.AttestedState, nil)
-	require.NoError(t, err)
-	require.NotNil(t, update, "update is nil")
-
-	require.Equal(t, l.Block.Block().Slot(), update.SignatureSlot, "Signature slot is not equal")
-
-	l.CheckSyncAggregate(update)
-	l.CheckAttestedHeader(update)
-
-	zeroHash := params.BeaconConfig().ZeroHash[:]
-	require.NotNil(t, update.FinalizedHeader, "Finalized header is nil")
-	updateFinalizedHeaderBeacon, err := update.FinalizedHeader.GetBeacon()
-	require.NoError(t, err)
-	require.Equal(t, primitives.Slot(0), updateFinalizedHeaderBeacon.Slot, "Finalized header slot is not zero")
-	require.Equal(t, primitives.ValidatorIndex(0), updateFinalizedHeaderBeacon.ProposerIndex, "Finalized header proposer index is not zero")
-	require.DeepSSZEqual(t, zeroHash, updateFinalizedHeaderBeacon.ParentRoot, "Finalized header parent root is not zero")
-	require.DeepSSZEqual(t, zeroHash, updateFinalizedHeaderBeacon.StateRoot, "Finalized header state root is not zero")
-	require.DeepSSZEqual(t, zeroHash, updateFinalizedHeaderBeacon.BodyRoot, "Finalized header body root is not zero")
-	require.DeepSSZEqual(t, zeroHash, update.FinalizedHeader.GetHeaderDeneb().Execution.BlockHash, "Execution BlockHash is not zero")
-	require.Equal(t, lightClient.FinalityBranchNumOfLeaves, len(update.FinalityBranch), "Invalid finality branch leaves")
-	for _, leaf := range update.FinalityBranch {
-		require.DeepSSZEqual(t, zeroHash, leaf, "Leaf is not zero")
-	}
-}
-
-// TODO - add finality update tests with non-nil finalized block for different versions

beacon-chain/core/transition/BUILD.bazel

@@ -49,7 +49,7 @@ go_library(
         "@com_github_prometheus_client_golang//prometheus:go_default_library",
         "@com_github_prometheus_client_golang//prometheus/promauto:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
-        "@io_opencensus_go//trace:go_default_library",
+        "@io_opentelemetry_go_otel_trace//:go_default_library",
     ],
 )
 

beacon-chain/core/transition/transition.go

@@ -25,9 +25,9 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/interfaces"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing"
-	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
+	prysmTrace "github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 	"github.com/prysmaticlabs/prysm/v5/runtime/version"
-	goTrace "go.opencensus.io/trace"
+	"go.opentelemetry.io/otel/trace"
 )
 
 type customProcessingFn func(context.Context, state.BeaconState) error
@@ -63,7 +63,7 @@ func ExecuteStateTransition(
 		return nil, err
 	}
 
-	ctx, span := trace.StartSpan(ctx, "core.state.ExecuteStateTransition")
+	ctx, span := prysmTrace.StartSpan(ctx, "core.state.ExecuteStateTransition")
 	defer span.End()
 	var err error
 
@@ -103,9 +103,9 @@ func ExecuteStateTransition(
 //	  previous_block_root = hash_tree_root(state.latest_block_header)
 //	  state.block_roots[state.slot % SLOTS_PER_HISTORICAL_ROOT] = previous_block_root
 func ProcessSlot(ctx context.Context, state state.BeaconState) (state.BeaconState, error) {
-	ctx, span := trace.StartSpan(ctx, "core.state.ProcessSlot")
+	ctx, span := prysmTrace.StartSpan(ctx, "core.state.ProcessSlot")
 	defer span.End()
-	span.AddAttributes(trace.Int64Attribute("slot", int64(state.Slot()))) // lint:ignore uintcast -- This is OK for tracing.
+	span.SetAttributes(prysmTrace.Int64Attribute("slot", int64(state.Slot()))) // lint:ignore uintcast -- This is OK for tracing.
 
 	prevStateRoot, err := state.HashTreeRoot(ctx)
 	if err != nil {
@@ -148,7 +148,7 @@ func ProcessSlotsUsingNextSlotCache(
 	parentState state.BeaconState,
 	parentRoot []byte,
 	slot primitives.Slot) (state.BeaconState, error) {
-	ctx, span := trace.StartSpan(ctx, "core.state.ProcessSlotsUsingNextSlotCache")
+	ctx, span := prysmTrace.StartSpan(ctx, "core.state.ProcessSlotsUsingNextSlotCache")
 	defer span.End()
 
 	nextSlotState := NextSlotState(parentRoot, slot)
@@ -178,12 +178,12 @@ func ProcessSlotsIfPossible(ctx context.Context, state state.BeaconState, target
 
 // ProcessSlots includes core slot processing as well as a cache
 func ProcessSlots(ctx context.Context, state state.BeaconState, slot primitives.Slot) (state.BeaconState, error) {
-	ctx, span := trace.StartSpan(ctx, "core.state.ProcessSlots")
+	ctx, span := prysmTrace.StartSpan(ctx, "core.state.ProcessSlots")
 	defer span.End()
 	if state == nil || state.IsNil() {
 		return nil, errors.New("nil state")
 	}
-	span.AddAttributes(trace.Int64Attribute("slots", int64(slot)-int64(state.Slot()))) // lint:ignore uintcast -- This is OK for tracing.
+	span.SetAttributes(prysmTrace.Int64Attribute("slots", int64(slot)-int64(state.Slot()))) // lint:ignore uintcast -- This is OK for tracing.
 
 	// The block must have a higher slot than parent state.
 	if state.Slot() >= slot {
@@ -259,7 +259,7 @@ func cacheBestBeaconStateOnErrFn(highestSlot primitives.Slot, key [32]byte) cust
 //	      if (state.slot + 1) % SLOTS_PER_EPOCH == 0:
 //	          process_epoch(state)
 //	      state.slot = Slot(state.slot + 1)
-func ProcessSlotsCore(ctx context.Context, span *goTrace.Span, state state.BeaconState, slot primitives.Slot, fn customProcessingFn) (state.BeaconState, error) {
+func ProcessSlotsCore(ctx context.Context, span trace.Span, state state.BeaconState, slot primitives.Slot, fn customProcessingFn) (state.BeaconState, error) {
 	var err error
 	for state.Slot() < slot {
 		if fn != nil {
@@ -318,7 +318,7 @@ func ProcessEpoch(ctx context.Context, state state.BeaconState) (state.BeaconSta
 
 // UpgradeState upgrades the state to the next version if possible.
 func UpgradeState(ctx context.Context, state state.BeaconState) (state.BeaconState, error) {
-	ctx, span := trace.StartSpan(ctx, "core.state.UpgradeState")
+	ctx, span := prysmTrace.StartSpan(ctx, "core.state.UpgradeState")
 	defer span.End()
 
 	var err error
@@ -445,9 +445,9 @@ func VerifyOperationLengths(_ context.Context, state state.BeaconState, b interf
 // ProcessEpochPrecompute describes the per epoch operations that are performed on the beacon state.
 // It's optimized by pre computing validator attested info and epoch total/attested balances upfront.
 func ProcessEpochPrecompute(ctx context.Context, state state.BeaconState) (state.BeaconState, error) {
-	ctx, span := trace.StartSpan(ctx, "core.state.ProcessEpochPrecompute")
+	ctx, span := prysmTrace.StartSpan(ctx, "core.state.ProcessEpochPrecompute")
 	defer span.End()
-	span.AddAttributes(trace.Int64Attribute("epoch", int64(time.CurrentEpoch(state)))) // lint:ignore uintcast -- This is OK for tracing.
+	span.SetAttributes(prysmTrace.Int64Attribute("epoch", int64(time.CurrentEpoch(state)))) // lint:ignore uintcast -- This is OK for tracing.
 
 	if state == nil || state.IsNil() {
 		return nil, errors.New("nil state")

beacon-chain/core/validators/validator.go

@@ -241,76 +241,35 @@ func SlashedValidatorIndices(epoch primitives.Epoch, validators []*ethpb.Validat
 	return slashed
 }
 
-// ExitedValidatorIndices determines the indices exited during the current epoch.
-func ExitedValidatorIndices(epoch primitives.Epoch, validators []*ethpb.Validator, activeValidatorCount uint64) ([]primitives.ValidatorIndex, error) {
+// ExitedValidatorIndices returns the indices of validators who exited during the specified epoch.
+//
+// A validator is considered to have exited during an epoch if their ExitEpoch equals the epoch and
+// excludes validators that have been ejected.
+// This function simplifies the exit determination by directly checking the validator's ExitEpoch,
+// avoiding the complexities and potential inaccuracies of calculating withdrawable epochs.
+func ExitedValidatorIndices(epoch primitives.Epoch, validators []*ethpb.Validator) ([]primitives.ValidatorIndex, error) {
 	exited := make([]primitives.ValidatorIndex, 0)
-	exitEpochs := make([]primitives.Epoch, 0)
-	for i := 0; i < len(validators); i++ {
-		val := validators[i]
-		if val.ExitEpoch != params.BeaconConfig().FarFutureEpoch {
-			exitEpochs = append(exitEpochs, val.ExitEpoch)
-		}
-	}
-	exitQueueEpoch := primitives.Epoch(0)
-	for _, i := range exitEpochs {
-		if exitQueueEpoch < i {
-			exitQueueEpoch = i
-		}
-	}
-
-	// We use the exit queue churn to determine if we have passed a churn limit.
-	exitQueueChurn := uint64(0)
-	for _, val := range validators {
-		if val.ExitEpoch == exitQueueEpoch {
-			exitQueueChurn++
-		}
-	}
-	churn := helpers.ValidatorExitChurnLimit(activeValidatorCount)
-	if churn < exitQueueChurn {
-		exitQueueEpoch++
-	}
-	withdrawableEpoch := exitQueueEpoch + params.BeaconConfig().MinValidatorWithdrawabilityDelay
 	for i, val := range validators {
-		if val.ExitEpoch == epoch && val.WithdrawableEpoch == withdrawableEpoch &&
-			val.EffectiveBalance > params.BeaconConfig().EjectionBalance {
+		if val.ExitEpoch == epoch && val.EffectiveBalance > params.BeaconConfig().EjectionBalance {
 			exited = append(exited, primitives.ValidatorIndex(i))
 		}
 	}
 	return exited, nil
 }
 
-// EjectedValidatorIndices determines the indices ejected during the given epoch.
-func EjectedValidatorIndices(epoch primitives.Epoch, validators []*ethpb.Validator, activeValidatorCount uint64) ([]primitives.ValidatorIndex, error) {
+// EjectedValidatorIndices returns the indices of validators who were ejected during the specified epoch.
+//
+// A validator is considered ejected during an epoch if:
+// - Their ExitEpoch equals the epoch.
+// - Their EffectiveBalance is less than or equal to the EjectionBalance threshold.
+//
+// This function simplifies the ejection determination by directly checking the validator's ExitEpoch
+// and EffectiveBalance, avoiding the complexities and potential inaccuracies of calculating
+// withdrawable epochs.
+func EjectedValidatorIndices(epoch primitives.Epoch, validators []*ethpb.Validator) ([]primitives.ValidatorIndex, error) {
 	ejected := make([]primitives.ValidatorIndex, 0)
-	exitEpochs := make([]primitives.Epoch, 0)
-	for i := 0; i < len(validators); i++ {
-		val := validators[i]
-		if val.ExitEpoch != params.BeaconConfig().FarFutureEpoch {
-			exitEpochs = append(exitEpochs, val.ExitEpoch)
-		}
-	}
-	exitQueueEpoch := primitives.Epoch(0)
-	for _, i := range exitEpochs {
-		if exitQueueEpoch < i {
-			exitQueueEpoch = i
-		}
-	}
-
-	// We use the exit queue churn to determine if we have passed a churn limit.
-	exitQueueChurn := uint64(0)
-	for _, val := range validators {
-		if val.ExitEpoch == exitQueueEpoch {
-			exitQueueChurn++
-		}
-	}
-	churn := helpers.ValidatorExitChurnLimit(activeValidatorCount)
-	if churn < exitQueueChurn {
-		exitQueueEpoch++
-	}
-	withdrawableEpoch := exitQueueEpoch + params.BeaconConfig().MinValidatorWithdrawabilityDelay
 	for i, val := range validators {
-		if val.ExitEpoch == epoch && val.WithdrawableEpoch == withdrawableEpoch &&
-			val.EffectiveBalance <= params.BeaconConfig().EjectionBalance {
+		if val.ExitEpoch == epoch && val.EffectiveBalance <= params.BeaconConfig().EjectionBalance {
 			ejected = append(ejected, primitives.ValidatorIndex(i))
 		}
 	}

beacon-chain/core/validators/validator_test.go

@@ -389,19 +389,16 @@ func TestExitedValidatorIndices(t *testing.T) {
 			state: &ethpb.BeaconState{
 				Validators: []*ethpb.Validator{
 					{
-						EffectiveBalance:  params.BeaconConfig().MaxEffectiveBalance,
-						ExitEpoch:         0,
-						WithdrawableEpoch: params.BeaconConfig().MinValidatorWithdrawabilityDelay,
+						EffectiveBalance: params.BeaconConfig().MaxEffectiveBalance,
+						ExitEpoch:        0,
 					},
 					{
-						EffectiveBalance:  params.BeaconConfig().MaxEffectiveBalance,
-						ExitEpoch:         0,
-						WithdrawableEpoch: 10,
+						EffectiveBalance: params.BeaconConfig().MaxEffectiveBalance,
+						ExitEpoch:        10,
 					},
 					{
-						EffectiveBalance:  params.BeaconConfig().MaxEffectiveBalance,
-						ExitEpoch:         0,
-						WithdrawableEpoch: params.BeaconConfig().MinValidatorWithdrawabilityDelay,
+						EffectiveBalance: params.BeaconConfig().MaxEffectiveBalance,
+						ExitEpoch:        0,
 					},
 				},
 			},
@@ -433,11 +430,7 @@ func TestExitedValidatorIndices(t *testing.T) {
 		},
 	}
 	for _, tt := range tests {
-		s, err := state_native.InitializeFromProtoPhase0(tt.state)
-		require.NoError(t, err)
-		activeCount, err := helpers.ActiveValidatorCount(context.Background(), s, time.PrevEpoch(s))
-		require.NoError(t, err)
-		exitedIndices, err := validators.ExitedValidatorIndices(0, tt.state.Validators, activeCount)
+		exitedIndices, err := validators.ExitedValidatorIndices(0, tt.state.Validators)
 		require.NoError(t, err)
 		assert.DeepEqual(t, tt.wanted, exitedIndices)
 	}

beacon-chain/db/filesystem/cache.go

@@ -114,5 +114,5 @@ func (s *blobStorageCache) evict(key [32]byte) {
 func (s *blobStorageCache) updateMetrics(delta float64) {
 	s.nBlobs += delta
 	blobDiskCount.Set(s.nBlobs)
-	blobDiskSize.Set(s.nBlobs * bytesPerSidecar)
+	blobDiskSize.Set(s.nBlobs * fieldparams.BlobSidecarSize)
 }

beacon-chain/db/filesystem/pruner.go

@@ -21,7 +21,6 @@ import (
 )
 
 const retentionBuffer primitives.Epoch = 2
-const bytesPerSidecar = 131928
 
 var (
 	errPruningFailures = errors.New("blobs could not be pruned for some roots")

beacon-chain/db/kv/BUILD.bazel

@@ -70,7 +70,6 @@ go_library(
         "@com_github_schollz_progressbar_v3//:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
         "@io_etcd_go_bbolt//:go_default_library",
-        "@io_opencensus_go//trace:go_default_library",
         "@org_golang_google_protobuf//proto:go_default_library",
     ],
 )
@@ -117,6 +116,7 @@ go_test(
         "//encoding/bytesutil:go_default_library",
         "//proto/dbval:go_default_library",
         "//proto/engine/v1:go_default_library",
+        "//proto/eth/v1:go_default_library",
         "//proto/eth/v2:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "//proto/testing:go_default_library",