Merge branch 'develop' into header-consts

build fix
changelog <3
2026-01-11 14:28:09 -05:00 · 2025-10-29 18:01:00 +01:00 · 2025-10-10 17:50:33 +02:00 · 2025-10-10 17:49:21 +02:00 · 2025-10-10 17:41:17 +02:00
3296 changed files with 28503 additions and 285566 deletions
--- a/.deepsource.toml
+++ b/.deepsource.toml
@@ -11,7 +11,7 @@ name = "go"
 enabled = true

 [analyzers.meta]
-import_paths = ["github.com/OffchainLabs/prysm/v7"]
+import_paths = ["github.com/OffchainLabs/prysm/v6"]

 [[analyzers]]
 name = "test-coverage"
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -34,5 +34,4 @@ Fixes #

 - [ ] I have read [CONTRIBUTING.md](https://github.com/prysmaticlabs/prysm/blob/develop/CONTRIBUTING.md).
 - [ ] I have included a uniquely named [changelog fragment file](https://github.com/prysmaticlabs/prysm/blob/develop/CONTRIBUTING.md#maintaining-changelogmd).
- [ ] I have added a description with sufficient context for reviewers to understand this PR.
- [ ] I have tested that my changes work as expected and I added a testing plan to the PR description (if applicable). 
+- [ ] I have added a description to this PR with sufficient context for reviewers to understand this PR.
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -12,7 +12,7 @@ exports_files([
    "LICENSE.md",
 ])

-# gazelle:prefix github.com/OffchainLabs/prysm/v7
+# gazelle:prefix github.com/OffchainLabs/prysm/v6
 # gazelle:map_kind go_library go_library @prysm//tools/go:def.bzl
 # gazelle:map_kind go_test go_test @prysm//tools/go:def.bzl
 # gazelle:map_kind go_repository go_repository @prysm//tools/go:def.bzl
@@ -193,30 +193,10 @@ nogo(
        "//tools/analyzers/featureconfig:go_default_library",
        "//tools/analyzers/gocognit:go_default_library",
        "//tools/analyzers/ineffassign:go_default_library",
-        "//tools/analyzers/httpwriter:go_default_library",
        "//tools/analyzers/interfacechecker:go_default_library",
        "//tools/analyzers/logcapitalization:go_default_library",
        "//tools/analyzers/logruswitherror:go_default_library",
        "//tools/analyzers/maligned:go_default_library",
-        "//tools/analyzers/modernize/any:go_default_library",
-        "//tools/analyzers/modernize/appendclipped:go_default_library",
-        "//tools/analyzers/modernize/bloop:go_default_library",
-        "//tools/analyzers/modernize/fmtappendf:go_default_library",
-        "//tools/analyzers/modernize/forvar:go_default_library",
-        "//tools/analyzers/modernize/mapsloop:go_default_library",
-        "//tools/analyzers/modernize/minmax:go_default_library",
-        #"//tools/analyzers/modernize/newexpr:go_default_library", # Disabled until go 1.26.
-        "//tools/analyzers/modernize/omitzero:go_default_library",
-        "//tools/analyzers/modernize/rangeint:go_default_library",
-        "//tools/analyzers/modernize/reflecttypefor:go_default_library",
-        "//tools/analyzers/modernize/slicescontains:go_default_library",
-        #"//tools/analyzers/modernize/slicesdelete:go_default_library", # Disabled, see https://go.dev/issue/73686
-        "//tools/analyzers/modernize/slicessort:go_default_library",
-        "//tools/analyzers/modernize/stringsbuilder:go_default_library",
-        "//tools/analyzers/modernize/stringscutprefix:go_default_library",
-        "//tools/analyzers/modernize/stringsseq:go_default_library",
-        "//tools/analyzers/modernize/testingcontext:go_default_library",
-        "//tools/analyzers/modernize/waitgroup:go_default_library",
        "//tools/analyzers/nop:go_default_library",
        "//tools/analyzers/nopanic:go_default_library",
        "//tools/analyzers/properpermissions:go_default_library",
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,172 +4,6 @@ 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.

-## [v7.1.0](https://github.com/prysmaticlabs/prysm/compare/v7.0.0...v7.1.0) - 2025-12-10
-
-This release includes several key features/fixes. If you are running v7.0.0 then you should update to v7.0.1 or later and remove the flag `--disable-last-epoch-targets`. 
-
-Release highlights:
-
- Backfill is now supported in Fulu. Backfill from checkpoint sync now supports data columns. Run with `--enable-backfill` when using checkpoint sync.
- A new node configuration to custody enough data columns to reconstruct blobs. Use flag `--semi-supernode` to custody at least 50% of the data columns.
- Critical fixes in attestation processing.
-
-A post mortem doc with full details on the mainnet attestation processing issue from December 4th is expected in the coming days. 
-
-### Added
-
- add fulu support to light client processing. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15995)
- Record data column gossip KZG batch verification latency in both the pooled worker and fallback paths so the `beacon_kzg_verification_data_column_batch_milliseconds` histogram reflects gossip traffic, annotated with `path` labels to distinguish the sources. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16018)
- Implement Gloas state. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15611)
- Add initial configs for the state-diff feature. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15903)
- Add kv functions for the state-diff feature. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15903)
- Add supported version for fork versions. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16030)
- prometheus metric `gossip_attestation_verification_milliseconds` to track attestation gossip topic validation latency. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15785)
- Integrate state-diff into `State()`. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16033)
- Implement Gloas fork support in consensus-types/blocks with factory methods, getters, setters, and proto handling. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15618)
- Integrate state-diff into `HasState()`. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16045)
- Added `--semi-supernode` flag to custody half of a super node's datacolumn requirements but allowing for reconstruction for blob retrieval. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16029)
- Data column backfill. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15580)
- Backfill metrics for columns: backfill_data_column_sidecar_downloaded, backfill_data_column_sidecar_downloaded_bytes, backfill_batch_columns_download_ms, backfill_batch_columns_verify_ms. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15580)
- prometheus summary `gossip_data_column_sidecar_arrival_milliseconds` to track data column sidecar arrival latency since slot start. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16099)
-
-### Changed
-
- Improve readability in slashing import and remove duplicated code. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15957)
- Use dependent root instead of target when possible. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15996)
- Changed `--subscribe-all-data-subnets` flag to `--supernode` and aliased `--subscribe-all-data-subnets` for existing users. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16012)
- Use explicit slot component timing configs. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15999)
- Downgraded log level from INFO to DEBUG on PrepareBeaconProposer updated fee recipients. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15998)
- Change the logging behaviour of Updated fee recipients to only log count of validators at Debug level and all validator indices at Trace level. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15998)
- Stop emitting payload attribute events during late block handling when we are not proposing the next slot. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16026)
- Initialize the `ExecutionRequests` field in gossip block map. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16047)
- Avoid redundant WithHttpEndpoint when JWT is provided. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16032)
- Removed dead slot parameter from blobCacheEntry.filter. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16021)
- Added log prefix to the `genesis` package. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16075)
- Added log prefix to the `params` package. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16075)
- `WithGenesisValidatorsRoot`: Use camelCase for log field param. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16075)
- Move `Origin checkpoint found in db` from WARN to INFO, since it is the expected behaviour. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16075)
- backfill metrics that changed name and/or histogram buckets: backfill_batch_time_verify -> backfill_batch_verify_ms, backfill_batch_time_waiting -> backfill_batch_waiting_ms, backfill_batch_time_roundtrip -> backfill_batch_roundtrip_ms, backfill_blocks_bytes_downloaded -> backfill_blocks_downloaded_bytes, backfill_batch_time_verify -> backfill_batch_verify_ms, backfill_batch_blocks_time_download -> backfill_batch_blocks_download_ms, backfill_batch_blobs_time_download -> backfill_batch_blobs_download_ms, backfill_blobs_bytes_downloaded -> backfill_blocks_downloaded_bytes. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15580)
- Move the "Not enough connected peers" (for a given subnet) from WARN to DEBUG. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16087)
- `blobsDataFromStoredDataColumns`: Ask the use to use the `--supernode` flag and shorten the error mesage. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16097)
- Introduced flag `--ignore-unviable-attestations` (replaces and deprecates `--disable-last-epoch-targets`) to drop attestations whose target state is not viable; default remains to process them unless explicitly enabled. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16094)
-
-### Removed
-
- Remove validator cross-client from end-to-end tests. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16025)
- `NUMBER_OF_COLUMNS` configuration (not in the specification any more, replaced by a preset). [[PR]](https://github.com/prysmaticlabs/prysm/pull/16073)
- `MAX_CELLS_IN_EXTENDED_MATRIX` configuration (not in the specification any more). [[PR]](https://github.com/prysmaticlabs/prysm/pull/16073)
-
-### Fixed
-
- Nil check for block if it doesn't exist in the DB in fetchOriginSidecars. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16006)
- Fix proposals progress bar count [#16020](https://github.com/OffchainLabs/prysm/pull/16020). [[PR]](https://github.com/prysmaticlabs/prysm/pull/16020)
- Move `BlockGossipReceived` event to the end of gossip validation. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16031)
- Fix state diff repetitive anchor slot bug. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16037)
- Check the JWT secret length is exactly 256 bits (32 bytes) as per Engine API specification. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15939)
- http_error_count now matches the other cases by listing the endpoint name rather than the actual URL requested. This improves metrics cardinality. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16055)
- Fix array out of bounds in static analyzer. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16058)
- fixes E2E tests to be able to start from Electra genesis fork or future forks. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16048)
- Use head state to validate attestations for old blocks if they are compatible. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16095)
-
-## [v7.0.1](https://github.com/prysmaticlabs/prysm/compare/v7.0.0...v7.0.1) - 2025-12-08
-
-This patch release contains 4 cherry-picked changes to address the mainnet attestation processing issue from 2025-12-04. Operators are encouraged to update to this release as soon as practical. As of this release, the feature flag `--disable-last-epoch-targets` has been deprecated and can be safely removed from your node configuration. 
-
-A post mortem doc with full details is expected to be published later this week.
-
-### Changed
-
- Move the "Not enough connected peers" (for a given subnet) from WARN to DEBUG. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16087)
- Use dependent root instead of target when possible. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15996)
- Introduced flag `--ignore-unviable-attestations` (replaces and deprecates `--disable-last-epoch-targets`) to drop attestations whose target state is not viable; default remains to process them unless explicitly enabled. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16094)
-
-### Fixed
-
- Use head state to validate attestations for old blocks if they are compatible. [[PR]](https://github.com/prysmaticlabs/prysm/pull/16095)
-
-
-## [v7.0.0](https://github.com/prysmaticlabs/prysm/compare/v6.1.4...v7.0.0) - 2025-11-10
-
-This is our initial mainnet release for the Ethereum mainnet Fulu fork on December 3rd, 2025. All operators MUST update to v7.0.0 or later release prior to the fulu fork epoch `411392`. See the [Ethereum Foundation blog post](https://blog.ethereum.org/2025/11/06/fusaka-mainnet-announcement) for more information on Fulu.
-
-Other than the mainnet fulu fork schedule, there are a few callouts in this release:
- `by-epoch` blob storage format is the default for new installations. Users that haven't migrated will see a warning to migrate to the new format. Existing deployments may set `--blob-storage-layout=by-epoch` to perform the migration.
- Several deprecated flags have been deleted! Please review the "removed" section of this changelog carefully. If you are referencing a removed flag, Prysm will not start! All of these flags had no effect for at least one release.
- Several deprecated API endpoints have been deleted. Please review the "removed" section of this changelog carefully. 
- Backfill is not supported in Fulu. This is expected to be fixed in the next release and should be delivered prior to the mainnet activation fork.
- The builder default gas limit is raised from `45000000` (45 MGas) to `60000000` (60 MGas).
- Several bug fixes and improvements.
-
-### Added
-
- Allow custom headers in validator client HTTP requests. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15884)
- Metric to track data columns recovered from execution layer. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15924)
- Metrics: Add count of peers per direction and type (inbound/outbound), (TCP/QUIC). [[PR]](https://github.com/prysmaticlabs/prysm/pull/15922)
- `p2p_subscribed_topic_peer_total`: Reset to avoid dangling values. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15922)
- Add `p2p_minimum_peers_per_subnet` metric. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15922)
- Added GeneralizedIndicesFromPath function to calculate the GIs for a given sszInfo object and a PathElement. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15873)
- Add Gloas protobuf definitions with spec tests and SSZ serialization support. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15601)
- Fulu fork epoch for mainnet configurations set for December 3, 2025, 09:49:11pm UTC. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15975)
- Added BPO schedules for December 9, 2025, 02:21:11pm UTC and January 7, 2026, 01:01:11am UTC. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15975)
-
-### Changed
-
- Updated consensus spec tests to v1.6.0-beta.1 with new hashes and URL template. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15918)
- Use the `by-epoch' blob storage layout by default and log a warning to users who continue to use the flat layout, encouraging them to switch. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15904)
- Update go-netroute to `v0.3.0`. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15934)
- Introduced Path type for SSZ-QL queries and updated PathElement (removed Length field, kept Index) enforcing that len queries are terminal (at most one per path). [[PR]](https://github.com/prysmaticlabs/prysm/pull/15935)
- Changed length query syntax from `block.payload.len(transactions)` to `len(block.payload.transactions)`. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15935)
- Update `go-netroute` to `v0.4.0`. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15949)
- Updated consensus spec tests to v1.6.0-beta.2. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15960)
- Updated go bitfield from prysmaticlabs to offchainlabs. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15968)
- Bump builder default gas limit from `45000000` (45 MGas) to `60000000` (60 MGas). [[PR]](https://github.com/prysmaticlabs/prysm/pull/15979)
- Use head state for block pubsub validation when possible. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15972)
- updated consensus spec to 1.6.0 from 1.6.0-beta.2. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15975)
- Upgrade Prysm v6 to v7. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15989)
- Use head state readonly when possible to validate data column sidecars. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15977)
-
-### Removed
-
- log mentioning removed flag `--show-deposit-data`. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15926)
- Remove Beacon API endpoints that were deprecated in Electra: `GET /eth/v1/beacon/deposit_snapshot`, `GET /eth/v1/beacon/blocks/{block_id}/attestations`, `GET /eth/v1/beacon/pool/attestations`, `POST /eth/v1/beacon/pool/attestations`, `GET /eth/v1/beacon/pool/attester_slashings`, `POST /eth/v1/beacon/pool/attester_slashings`, `GET /eth/v1/validator/aggregate_attestation`, `POST /eth/v1/validator/aggregate_and_proofs`, `POST /eth/v1/beacon/blocks`, `POST /eth/v1/beacon/blinded_blocks`, `GET /eth/v1/builder/states/{state_id}/expected_withdrawals`. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15962)
- Deprecated flag `--enable-optional-engine-methods` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--disable-build-block-parallel` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--disable-reorg-late-blocks` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--disable-optional-engine-methods` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--disable-aggregate-parallel` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--enable-eip-4881` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--disable-eip-4881` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--enable-verbose-sig-verification` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--enable-debug-rpc-endpoints` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--beacon-rpc-gateway-provider` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--disable-grpc-gateway` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--enable-experimental-state` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--enable-committee-aware-packing` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--interop-genesis-time` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--interop-num-validators` has been removed (from beacon-chain only; still available in validator client). [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--enable-quic` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--attest-timely` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--disable-experimental-state` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
- Deprecated flag `--p2p-metadata` has been removed. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15986)
-
-### Fixed
-
- Remove `Reading static P2P private key from a file.` log if Fulu is enabled. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15913)
- `blobSidecarByRootRPCHandler`: Do not serve a sidecar if the corresponding block is not available. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15933)
- `dataColumnSidecarByRootRPCHandler`: Do not serve a sidecar if the corresponding block is not available. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15933)
- Fix incorrect version used when sending attestation version in Fulu. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15950)
- Changed the behavior of topic subscriptions such that only topics that require the active validator count will compute that value. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15955)
- Added a Mutex to the computation of active validator count during topic subscription to avoid a race condition where multiple goroutines are computing the same work. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15955)
- `RODataColumnsVerifier.ValidProposerSignature`: Ensure the expensive signature verification is only performed once for concurrent requests for the same signature data. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15954)
- use filepath for path operations (clean, join, etc.) to ensure correct behavior on Windows. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15953)
- Fix #15969: Handle addition overflow in `/eth/v1/beacon/rewards/attestations/{epoch}`. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15970)
- `SidecarProposerExpected`: Add the slot in the single flight key. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15976)
- Ensures the rate limitation is respected for by root blob and data column sidecars requests. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15981)
- Use head only if its compatible with target for attestation validation. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15965)
- Backfill disabled if checkpoint sync origin is after fulu fork due to lack of DataColumnSidecar support in backfill. To track the availability of fulu-compatible backfill please watch https://github.com/OffchainLabs/prysm/issues/15982. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15987)
- `SidecarProposerExpected`: Use the correct value of proposer index in the singleflight group. [[PR]](https://github.com/prysmaticlabs/prysm/pull/15993)
-
 ## [v6.1.4](https://github.com/prysmaticlabs/prysm/compare/v6.1.3...v6.1.4) - 2025-10-24

 This release includes a bug fix affecting block proposals in rare cases, along with an important update for Windows users running post-Fusaka fork.
@@ -3986,4 +3820,4 @@ There are no security updates in this release.

 # Older than v2.0.0

-For changelog history for releases older than v2.0.0, please refer to https://github.com/prysmaticlabs/prysm/releases
+For changelog history for releases older than v2.0.0, please refer to https://github.com/prysmaticlabs/prysm/releases
--- a/36
+++ b/36
@@ -205,26 +205,6 @@ prysm_image_deps()

 load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains", "go_rules_dependencies")

-# Override golang.org/x/tools to use v0.38.0 instead of v0.30.0
-# This is necessary as this dependency is required by rules_go and they do not accept dependency
-# update PRs. Instead, they ask downstream projects to override the dependency. To generate the
-# patches or update this dependency again, check out the rules_go repo then run the releaser tool.
-# bazel run //go/tools/releaser -- upgrade-dep -mirror=false org_golang_x_tools
-# Copy the patches and http_archive updates from rules_go here.
-http_archive(
-    name = "org_golang_x_tools",
-    patch_args = ["-p1"],
-    patches = [
-        "//third_party:org_golang_x_tools-deletegopls.patch",
-        "//third_party:org_golang_x_tools-gazelle.patch",
-    ],
-    sha256 = "8509908cd7fc35aa09ff49d8494e4fd25bab9e6239fbf57e0d8344f6bec5802b",
-    strip_prefix = "tools-0.38.0",
-    urls = [
-        "https://github.com/golang/tools/archive/refs/tags/v0.38.0.zip",
-    ],
-)
-
 go_rules_dependencies()

 go_register_toolchains(
@@ -273,16 +253,16 @@ filegroup(
    url = "https://github.com/ethereum/EIPs/archive/5480440fe51742ed23342b68cf106cefd427e39d.tar.gz",
 )

-consensus_spec_version = "v1.6.0"
+consensus_spec_version = "v1.6.0-beta.1"

 load("@prysm//tools:download_spectests.bzl", "consensus_spec_tests")

 consensus_spec_tests(
    name = "consensus_spec_tests",
    flavors = {
-        "general": "sha256-54hTaUNF9nLg+hRr3oHoq0yjZpW3MNiiUUuCQu6Rajk=",
-        "minimal": "sha256-1JHIGg3gVMjvcGYRHR5cwdDgOvX47oR/MWp6gyAeZfA=",
-        "mainnet": "sha256-292h3W2Ffts0YExgDTyxYe9Os7R0bZIXuAaMO8P6kl4=",
+        "general": "sha256-oEj0MTViJHjZo32nABK36gfvSXpbwkBk/jt6Mj7pWFI=",
+        "minimal": "sha256-cS4NPv6IRBoCSmWomQ8OEo8IsVNW9YawUFqoRZQBUj4=",
+        "mainnet": "sha256-BYuLndMPAh4p13IRJgNfVakrCVL69KRrNw2tdc3ETbE=",
    },
    version = consensus_spec_version,
 )
@@ -298,7 +278,7 @@ filegroup(
    visibility = ["//visibility:public"],
 )
    """,
-    integrity = "sha256-VzBgrEokvYSMIIXVnSA5XS9I3m9oxpvToQGxC1N5lzw=",
+    integrity = "sha256-yrq3tdwPS8Ri+ueeLAHssIT3ssMrX7zvHiJ8Xf9GVYs=",
    strip_prefix = "consensus-specs-" + consensus_spec_version[1:],
    url = "https://github.com/ethereum/consensus-specs/archive/refs/tags/%s.tar.gz" % consensus_spec_version,
 )
@@ -347,9 +327,9 @@ filegroup(
    visibility = ["//visibility:public"],
 )
 """,
-    integrity = "sha256-+mqMXyboedVw8Yp0v+U9GDz98QoC1SZET8mjaKPX+AI=",
-    strip_prefix = "mainnet-980aee8893a2291d473c38f63797d5bc370fa381",
-    url = "https://github.com/eth-clients/mainnet/archive/980aee8893a2291d473c38f63797d5bc370fa381.tar.gz",
+    integrity = "sha256-NZr/gsQK9rBHRnznlPBiNzJpK8MPMrfUa3f+QYqn1+g=",
+    strip_prefix = "mainnet-978f1794eada6f85bee76e4d2d5959a5fb8e0cc5",
+    url = "https://github.com/eth-clients/mainnet/archive/978f1794eada6f85bee76e4d2d5959a5fb8e0cc5.tar.gz",
 )

 http_archive(
--- a/api/BUILD.bazel
+++ b/api/BUILD.bazel
@@ -7,7 +7,7 @@ go_library(
        "headers.go",
        "jwt.go",
    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/api",
+    importpath = "github.com/OffchainLabs/prysm/v6/api",
    visibility = ["//visibility:public"],
    deps = [
        "//crypto/rand:go_default_library",
--- a/api/apiutil/BUILD.bazel
+++ b/api/apiutil/BUILD.bazel
@@ -6,7 +6,7 @@ go_library(
        "common.go",
        "header.go",
    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/api/apiutil",
+    importpath = "github.com/OffchainLabs/prysm/v6/api/apiutil",
    visibility = ["//visibility:public"],
    deps = [
        "//consensus-types/primitives:go_default_library",
--- a/api/apiutil/common.go
+++ b/api/apiutil/common.go
@@ -5,7 +5,7 @@ import (
 	neturl "net/url"
 	"strconv"

-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
 )

 // Uint64ToString is a util function that will convert uints to string
--- a/api/apiutil/common_test.go
+++ b/api/apiutil/common_test.go
@@ -4,8 +4,8 @@ import (
 	"net/url"
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
 )

 func TestBeaconApiHelpers_TestUint64ToString(t *testing.T) {
--- a/api/apiutil/header.go
+++ b/api/apiutil/header.go
@@ -56,7 +56,7 @@ func ParseAccept(header string) []mediaRange {
 	}

 	var out []mediaRange
-	for field := range strings.SplitSeq(header, ",") {
+	for _, field := range strings.Split(header, ",") {
 		if r, ok := parseMediaRange(field); ok {
 			out = append(out, r)
 		}
--- a/api/apiutil/header_test.go
+++ b/api/apiutil/header_test.go
@@ -3,7 +3,7 @@ package apiutil
 import (
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 )

 func TestParseAccept(t *testing.T) {
--- a/api/client/BUILD.bazel
+++ b/api/client/BUILD.bazel
@@ -8,9 +8,12 @@ go_library(
        "options.go",
        "transport.go",
    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/api/client",
+    importpath = "github.com/OffchainLabs/prysm/v6/api/client",
    visibility = ["//visibility:public"],
-    deps = ["@com_github_pkg_errors//:go_default_library"],
+    deps = [
+        "//api:go_default_library",
+        "@com_github_pkg_errors//:go_default_library",
+    ],
 )

 go_test(
--- a/api/client/beacon/BUILD.bazel
+++ b/api/client/beacon/BUILD.bazel
@@ -8,9 +8,10 @@ go_library(
        "log.go",
        "template.go",
    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/api/client/beacon",
+    importpath = "github.com/OffchainLabs/prysm/v6/api/client/beacon",
    visibility = ["//visibility:public"],
    deps = [
+        "//api:go_default_library",
        "//api/client:go_default_library",
        "//api/server:go_default_library",
        "//api/server/structs:go_default_library",
--- a/api/client/beacon/client.go
+++ b/api/client/beacon/client.go
@@ -11,12 +11,13 @@ import (
 	"regexp"
 	"strconv"

-	"github.com/OffchainLabs/prysm/v7/api/client"
-	"github.com/OffchainLabs/prysm/v7/api/server"
-	"github.com/OffchainLabs/prysm/v7/api/server/structs"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/api"
+	"github.com/OffchainLabs/prysm/v6/api/client"
+	"github.com/OffchainLabs/prysm/v6/api/server"
+	"github.com/OffchainLabs/prysm/v6/api/server/structs"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
@@ -273,7 +274,7 @@ func (c *Client) SubmitChangeBLStoExecution(ctx context.Context, request []*stru
 	if err != nil {
 		return errors.Wrap(err, "invalid format, failed to create new POST request object")
 	}
-	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set(api.ContentTypeHeader, api.JsonMediaType)
 	resp, err := c.Do(req)
 	if err != nil {
 		return err
--- a/api/client/beacon/client_test.go
+++ b/api/client/beacon/client_test.go
@@ -4,8 +4,8 @@ import (
 	"net/url"
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/api/client"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/api/client"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 )

 func TestParseNodeVersion(t *testing.T) {
--- a/api/client/builder/BUILD.bazel
+++ b/api/client/builder/BUILD.bazel
@@ -8,7 +8,7 @@ go_library(
        "errors.go",
        "types.go",
    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/api/client/builder",
+    importpath = "github.com/OffchainLabs/prysm/v6/api/client/builder",
    visibility = ["//visibility:public"],
    deps = [
        "//api:go_default_library",
--- a/api/client/builder/bid.go
+++ b/api/client/builder/bid.go
@@ -1,13 +1,13 @@
 package builder

 import (
-	consensus_types "github.com/OffchainLabs/prysm/v7/consensus-types"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	v1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
+	consensus_types "github.com/OffchainLabs/prysm/v6/consensus-types"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	v1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
+	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/runtime/version"
 	ssz "github.com/prysmaticlabs/fastssz"
 )

--- a/api/client/builder/client.go
+++ b/api/client/builder/client.go
@@ -12,18 +12,18 @@ import (
 	"strings"
 	"text/template"

-	"github.com/OffchainLabs/prysm/v7/api"
-	"github.com/OffchainLabs/prysm/v7/api/client"
-	"github.com/OffchainLabs/prysm/v7/api/server/structs"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/monitoring/tracing"
-	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
-	v1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
+	"github.com/OffchainLabs/prysm/v6/api"
+	"github.com/OffchainLabs/prysm/v6/api/client"
+	"github.com/OffchainLabs/prysm/v6/api/server/structs"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/monitoring/tracing"
+	"github.com/OffchainLabs/prysm/v6/monitoring/tracing/trace"
+	v1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
+	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/runtime/version"
 	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 	"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
@@ -171,7 +171,7 @@ func (c *Client) do(ctx context.Context, method string, path string, body io.Rea
 	if err != nil {
 		return
 	}
-	req.Header.Add("User-Agent", version.BuildData())
+	req.Header.Add(api.UserAgentHeader, version.BuildData())
 	for _, o := range opts {
 		o(req)
 	}
@@ -232,11 +232,11 @@ func (c *Client) GetHeader(ctx context.Context, slot primitives.Slot, parentHash
 	var getOpts reqOption
 	if c.sszEnabled {
 		getOpts = func(r *http.Request) {
-			r.Header.Set("Accept", api.OctetStreamMediaType)
+			r.Header.Set(api.AcceptHeader, api.OctetStreamMediaType)
 		}
 	} else {
 		getOpts = func(r *http.Request) {
-			r.Header.Set("Accept", api.JsonMediaType)
+			r.Header.Set(api.AcceptHeader, api.JsonMediaType)
 		}
 	}
 	data, header, err := c.do(ctx, http.MethodGet, path, nil, http.StatusOK, getOpts)
@@ -259,8 +259,8 @@ func (c *Client) GetHeader(ctx context.Context, slot primitives.Slot, parentHash

 func (c *Client) parseHeaderResponse(data []byte, header http.Header, slot primitives.Slot) (SignedBid, error) {
 	var versionHeader string
-	if c.sszEnabled || header.Get(api.VersionHeader) != "" {
-		versionHeader = header.Get(api.VersionHeader)
+	if c.sszEnabled || header.Get(api.EthConsensusVersionHeader) != "" {
+		versionHeader = header.Get(api.EthConsensusVersionHeader)
 	} else {
 		// If we don't have a version header, attempt to parse JSON for version
 		v := &VersionResponse{}
@@ -390,8 +390,8 @@ func (c *Client) RegisterValidator(ctx context.Context, svr []*ethpb.SignedValid
 	)
 	if c.sszEnabled {
 		postOpts = func(r *http.Request) {
-			r.Header.Set("Content-Type", api.OctetStreamMediaType)
-			r.Header.Set("Accept", api.OctetStreamMediaType)
+			r.Header.Set(api.ContentTypeHeader, api.OctetStreamMediaType)
+			r.Header.Set(api.AcceptHeader, api.OctetStreamMediaType)
 		}
 		body, err = sszValidatorRegisterRequest(svr)
 		if err != nil {
@@ -401,8 +401,8 @@ func (c *Client) RegisterValidator(ctx context.Context, svr []*ethpb.SignedValid
 		}
 	} else {
 		postOpts = func(r *http.Request) {
-			r.Header.Set("Content-Type", api.JsonMediaType)
-			r.Header.Set("Accept", api.JsonMediaType)
+			r.Header.Set(api.ContentTypeHeader, api.JsonMediaType)
+			r.Header.Set(api.AcceptHeader, api.JsonMediaType)
 		}
 		body, err = jsonValidatorRegisterRequest(svr)
 		if err != nil {
@@ -421,7 +421,7 @@ func (c *Client) RegisterValidator(ctx context.Context, svr []*ethpb.SignedValid

 func jsonValidatorRegisterRequest(svr []*ethpb.SignedValidatorRegistrationV1) ([]byte, error) {
 	vs := make([]*structs.SignedValidatorRegistration, len(svr))
-	for i := range svr {
+	for i := 0; i < len(svr); i++ {
 		vs[i] = structs.SignedValidatorRegistrationFromConsensus(svr[i])
 	}
 	body, err := json.Marshal(vs)
@@ -446,7 +446,7 @@ func sszValidatorRegisterRequest(svr []*ethpb.SignedValidatorRegistrationV1) ([]
 	return ssz, nil
 }

-var errResponseVersionMismatch = errors.New("builder API response uses a different version than requested in " + api.VersionHeader + " header")
+var errResponseVersionMismatch = errors.New("builder API response uses a different version than requested in " + api.EthConsensusVersionHeader + " header")

 func getVersionsBlockToPayload(blockVersion int) (int, error) {
 	if blockVersion >= version.Fulu {
@@ -525,7 +525,7 @@ func (c *Client) SubmitBlindedBlockPostFulu(ctx context.Context, sb interfaces.R
 func (c *Client) checkBlockVersion(respBytes []byte, header http.Header) (int, error) {
 	var versionHeader string
 	if c.sszEnabled {
-		versionHeader = strings.ToLower(header.Get(api.VersionHeader))
+		versionHeader = strings.ToLower(header.Get(api.EthConsensusVersionHeader))
 	} else {
 		// fallback to JSON-based version extraction
 		v := &VersionResponse{}
@@ -555,9 +555,9 @@ func (c *Client) buildBlindedBlockRequest(sb interfaces.ReadOnlySignedBeaconBloc
 			return nil, nil, errors.Wrap(err, "could not marshal SSZ for blinded block")
 		}
 		opt := func(r *http.Request) {
-			r.Header.Set(api.VersionHeader, version.String(sb.Version()))
-			r.Header.Set("Content-Type", api.OctetStreamMediaType)
-			r.Header.Set("Accept", api.OctetStreamMediaType)
+			r.Header.Set(api.EthConsensusVersionHeader, version.String(sb.Version()))
+			r.Header.Set(api.ContentTypeHeader, api.OctetStreamMediaType)
+			r.Header.Set(api.AcceptHeader, api.OctetStreamMediaType)
 		}
 		return body, opt, nil
 	}
@@ -571,9 +571,9 @@ func (c *Client) buildBlindedBlockRequest(sb interfaces.ReadOnlySignedBeaconBloc
 		return nil, nil, errors.Wrap(err, "error marshaling blinded block to JSON")
 	}
 	opt := func(r *http.Request) {
-		r.Header.Set(api.VersionHeader, version.String(sb.Version()))
-		r.Header.Set("Content-Type", api.JsonMediaType)
-		r.Header.Set("Accept", api.JsonMediaType)
+		r.Header.Set(api.EthConsensusVersionHeader, version.String(sb.Version()))
+		r.Header.Set(api.ContentTypeHeader, api.JsonMediaType)
+		r.Header.Set(api.AcceptHeader, api.JsonMediaType)
 	}
 	return body, opt, nil
 }
@@ -676,7 +676,7 @@ func (c *Client) parseBlindedBlockResponseJSON(
 // happy path, and an error with information about the server response body for a non-200 response.
 func (c *Client) Status(ctx context.Context) error {
 	getOpts := func(r *http.Request) {
-		r.Header.Set("Accept", api.JsonMediaType)
+		r.Header.Set(api.AcceptHeader, api.JsonMediaType)
 	}
 	_, _, err := c.do(ctx, http.MethodGet, getStatus, nil, http.StatusOK, getOpts)
 	return err
--- a/api/client/builder/client_test.go
+++ b/api/client/builder/client_test.go
@@ -10,19 +10,19 @@ import (
 	"net/url"
 	"testing"

-	"github.com/OffchainLabs/go-bitfield"
-	"github.com/OffchainLabs/prysm/v7/api"
-	"github.com/OffchainLabs/prysm/v7/api/server/structs"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	v1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-	"github.com/OffchainLabs/prysm/v7/testing/util"
+	"github.com/OffchainLabs/prysm/v6/api"
+	"github.com/OffchainLabs/prysm/v6/api/server/structs"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	v1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
+	eth "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/util"
+	"github.com/prysmaticlabs/go-bitfield"
 	log "github.com/sirupsen/logrus"
 )

@@ -92,8 +92,8 @@ func TestClient_RegisterValidator(t *testing.T) {
 	t.Run("JSON success", func(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Content-Type"))
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Accept"))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.ContentTypeHeader))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.AcceptHeader))
 				body, err := io.ReadAll(r.Body)
 				defer func() {
 					require.NoError(t, r.Body.Close())
@@ -127,8 +127,8 @@ func TestClient_RegisterValidator(t *testing.T) {
 	t.Run("SSZ success", func(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Content-Type"))
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Accept"))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.ContentTypeHeader))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.AcceptHeader))
 				body, err := io.ReadAll(r.Body)
 				defer func() {
 					require.NoError(t, r.Body.Close())
@@ -225,7 +225,7 @@ func TestClient_GetHeader(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 				require.Equal(t, expectedPath, r.URL.Path)
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Accept"))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.AcceptHeader))
 				return &http.Response{
 					StatusCode: http.StatusOK,
 					Body:       io.NopCloser(bytes.NewBufferString(testExampleHeaderResponse)),
@@ -260,7 +260,7 @@ func TestClient_GetHeader(t *testing.T) {
 	t.Run("bellatrix ssz", func(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Accept"))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.AcceptHeader))
 				require.Equal(t, expectedPath, r.URL.Path)
 				epr := &ExecHeaderResponse{}
 				require.NoError(t, json.Unmarshal([]byte(testExampleHeaderResponse), epr))
@@ -269,7 +269,7 @@ func TestClient_GetHeader(t *testing.T) {
 				ssz, err := pro.MarshalSSZ()
 				require.NoError(t, err)
 				header := http.Header{}
-				header.Set(api.VersionHeader, "bellatrix")
+				header.Set(api.EthConsensusVersionHeader, "bellatrix")
 				return &http.Response{
 					StatusCode: http.StatusOK,
 					Header:     header,
@@ -306,7 +306,7 @@ func TestClient_GetHeader(t *testing.T) {
 	t.Run("capella", func(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Accept"))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.AcceptHeader))
 				require.Equal(t, expectedPath, r.URL.Path)
 				return &http.Response{
 					StatusCode: http.StatusOK,
@@ -338,7 +338,7 @@ func TestClient_GetHeader(t *testing.T) {
 	t.Run("capella ssz", func(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Accept"))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.AcceptHeader))
 				require.Equal(t, expectedPath, r.URL.Path)
 				epr := &ExecHeaderResponseCapella{}
 				require.NoError(t, json.Unmarshal([]byte(testExampleHeaderResponseCapella), epr))
@@ -347,7 +347,7 @@ func TestClient_GetHeader(t *testing.T) {
 				ssz, err := pro.MarshalSSZ()
 				require.NoError(t, err)
 				header := http.Header{}
-				header.Set(api.VersionHeader, "capella")
+				header.Set(api.EthConsensusVersionHeader, "capella")
 				return &http.Response{
 					StatusCode: http.StatusOK,
 					Header:     header,
@@ -380,7 +380,7 @@ func TestClient_GetHeader(t *testing.T) {
 	t.Run("deneb", func(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Accept"))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.AcceptHeader))
 				require.Equal(t, expectedPath, r.URL.Path)
 				return &http.Response{
 					StatusCode: http.StatusOK,
@@ -420,7 +420,7 @@ func TestClient_GetHeader(t *testing.T) {
 	t.Run("deneb ssz", func(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Accept"))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.AcceptHeader))
 				require.Equal(t, expectedPath, r.URL.Path)
 				epr := &ExecHeaderResponseDeneb{}
 				require.NoError(t, json.Unmarshal([]byte(testExampleHeaderResponseDeneb), epr))
@@ -429,7 +429,7 @@ func TestClient_GetHeader(t *testing.T) {
 				ssz, err := pro.MarshalSSZ()
 				require.NoError(t, err)
 				header := http.Header{}
-				header.Set(api.VersionHeader, "deneb")
+				header.Set(api.EthConsensusVersionHeader, "deneb")
 				return &http.Response{
 					StatusCode: http.StatusOK,
 					Header:     header,
@@ -488,7 +488,7 @@ func TestClient_GetHeader(t *testing.T) {
 	t.Run("electra", func(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Accept"))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.AcceptHeader))
 				require.Equal(t, expectedPath, r.URL.Path)
 				return &http.Response{
 					StatusCode: http.StatusOK,
@@ -533,7 +533,7 @@ func TestClient_GetHeader(t *testing.T) {
 	t.Run("electra ssz", func(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Accept"))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.AcceptHeader))
 				require.Equal(t, expectedPath, r.URL.Path)
 				epr := &ExecHeaderResponseElectra{}
 				require.NoError(t, json.Unmarshal([]byte(testExampleHeaderResponseElectra), epr))
@@ -542,7 +542,7 @@ func TestClient_GetHeader(t *testing.T) {
 				ssz, err := pro.MarshalSSZ()
 				require.NoError(t, err)
 				header := http.Header{}
-				header.Set(api.VersionHeader, "electra")
+				header.Set(api.EthConsensusVersionHeader, "electra")
 				return &http.Response{
 					StatusCode: http.StatusOK,
 					Header:     header,
@@ -612,9 +612,9 @@ func TestSubmitBlindedBlock(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 				require.Equal(t, postBlindedBeaconBlockPath, r.URL.Path)
-				require.Equal(t, "bellatrix", r.Header.Get("Eth-Consensus-Version"))
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Content-Type"))
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Accept"))
+				require.Equal(t, "bellatrix", r.Header.Get(api.EthConsensusVersionHeader))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.ContentTypeHeader))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.AcceptHeader))
 				return &http.Response{
 					StatusCode: http.StatusOK,
 					Body:       io.NopCloser(bytes.NewBufferString(testExampleExecutionPayload)),
@@ -640,9 +640,9 @@ func TestSubmitBlindedBlock(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 				require.Equal(t, postBlindedBeaconBlockPath, r.URL.Path)
-				require.Equal(t, "bellatrix", r.Header.Get(api.VersionHeader))
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Content-Type"))
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Accept"))
+				require.Equal(t, "bellatrix", r.Header.Get(api.EthConsensusVersionHeader))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.ContentTypeHeader))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.AcceptHeader))
 				epr := &ExecutionPayloadResponse{}
 				require.NoError(t, json.Unmarshal([]byte(testExampleExecutionPayload), epr))
 				ep := &structs.ExecutionPayload{}
@@ -652,7 +652,7 @@ func TestSubmitBlindedBlock(t *testing.T) {
 				ssz, err := pro.MarshalSSZ()
 				require.NoError(t, err)
 				header := http.Header{}
-				header.Set(api.VersionHeader, "bellatrix")
+				header.Set(api.EthConsensusVersionHeader, "bellatrix")
 				return &http.Response{
 					StatusCode: http.StatusOK,
 					Header:     header,
@@ -680,9 +680,9 @@ func TestSubmitBlindedBlock(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 				require.Equal(t, postBlindedBeaconBlockPath, r.URL.Path)
-				require.Equal(t, "capella", r.Header.Get(api.VersionHeader))
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Content-Type"))
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Accept"))
+				require.Equal(t, "capella", r.Header.Get(api.EthConsensusVersionHeader))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.ContentTypeHeader))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.AcceptHeader))
 				return &http.Response{
 					StatusCode: http.StatusOK,
 					Body:       io.NopCloser(bytes.NewBufferString(testExampleExecutionPayloadCapella)),
@@ -710,9 +710,9 @@ func TestSubmitBlindedBlock(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 				require.Equal(t, postBlindedBeaconBlockPath, r.URL.Path)
-				require.Equal(t, "capella", r.Header.Get(api.VersionHeader))
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Content-Type"))
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Accept"))
+				require.Equal(t, "capella", r.Header.Get(api.EthConsensusVersionHeader))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.ContentTypeHeader))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.AcceptHeader))
 				epr := &ExecutionPayloadResponse{}
 				require.NoError(t, json.Unmarshal([]byte(testExampleExecutionPayloadCapella), epr))
 				ep := &structs.ExecutionPayloadCapella{}
@@ -722,7 +722,7 @@ func TestSubmitBlindedBlock(t *testing.T) {
 				ssz, err := pro.MarshalSSZ()
 				require.NoError(t, err)
 				header := http.Header{}
-				header.Set(api.VersionHeader, "capella")
+				header.Set(api.EthConsensusVersionHeader, "capella")
 				return &http.Response{
 					StatusCode: http.StatusOK,
 					Header:     header,
@@ -753,9 +753,9 @@ func TestSubmitBlindedBlock(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 				require.Equal(t, postBlindedBeaconBlockPath, r.URL.Path)
-				require.Equal(t, "deneb", r.Header.Get(api.VersionHeader))
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Content-Type"))
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Accept"))
+				require.Equal(t, "deneb", r.Header.Get(api.EthConsensusVersionHeader))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.ContentTypeHeader))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.AcceptHeader))
 				var req structs.SignedBlindedBeaconBlockDeneb
 				err := json.NewDecoder(r.Body).Decode(&req)
 				require.NoError(t, err)
@@ -793,9 +793,9 @@ func TestSubmitBlindedBlock(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 				require.Equal(t, postBlindedBeaconBlockPath, r.URL.Path)
-				require.Equal(t, "deneb", r.Header.Get(api.VersionHeader))
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Content-Type"))
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Accept"))
+				require.Equal(t, "deneb", r.Header.Get(api.EthConsensusVersionHeader))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.ContentTypeHeader))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.AcceptHeader))
 				epr := &ExecPayloadResponseDeneb{}
 				require.NoError(t, json.Unmarshal([]byte(testExampleExecutionPayloadDeneb), epr))
 				pro, blob, err := epr.ToProto()
@@ -807,7 +807,7 @@ func TestSubmitBlindedBlock(t *testing.T) {
 				ssz, err := combined.MarshalSSZ()
 				require.NoError(t, err)
 				header := http.Header{}
-				header.Set(api.VersionHeader, "deneb")
+				header.Set(api.EthConsensusVersionHeader, "deneb")
 				return &http.Response{
 					StatusCode: http.StatusOK,
 					Header:     header,
@@ -840,9 +840,9 @@ func TestSubmitBlindedBlock(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 				require.Equal(t, postBlindedBeaconBlockPath, r.URL.Path)
-				require.Equal(t, "electra", r.Header.Get(api.VersionHeader))
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Content-Type"))
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Accept"))
+				require.Equal(t, "electra", r.Header.Get(api.EthConsensusVersionHeader))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.ContentTypeHeader))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.AcceptHeader))
 				var req structs.SignedBlindedBeaconBlockElectra
 				err := json.NewDecoder(r.Body).Decode(&req)
 				require.NoError(t, err)
@@ -880,9 +880,9 @@ func TestSubmitBlindedBlock(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 				require.Equal(t, postBlindedBeaconBlockPath, r.URL.Path)
-				require.Equal(t, "electra", r.Header.Get(api.VersionHeader))
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Content-Type"))
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Accept"))
+				require.Equal(t, "electra", r.Header.Get(api.EthConsensusVersionHeader))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.ContentTypeHeader))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.AcceptHeader))
 				epr := &ExecPayloadResponseDeneb{}
 				require.NoError(t, json.Unmarshal([]byte(testExampleExecutionPayloadDeneb), epr))
 				pro, blob, err := epr.ToProto()
@@ -894,7 +894,7 @@ func TestSubmitBlindedBlock(t *testing.T) {
 				ssz, err := combined.MarshalSSZ()
 				require.NoError(t, err)
 				header := http.Header{}
-				header.Set(api.VersionHeader, "electra")
+				header.Set(api.EthConsensusVersionHeader, "electra")
 				return &http.Response{
 					StatusCode: http.StatusOK,
 					Header:     header,
@@ -1566,9 +1566,9 @@ func TestSubmitBlindedBlockPostFulu(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 				require.Equal(t, postBlindedBeaconBlockV2Path, r.URL.Path)
-				require.Equal(t, "bellatrix", r.Header.Get("Eth-Consensus-Version"))
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Content-Type"))
-				require.Equal(t, api.JsonMediaType, r.Header.Get("Accept"))
+				require.Equal(t, "bellatrix", r.Header.Get(api.EthConsensusVersionHeader))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.ContentTypeHeader))
+				require.Equal(t, api.JsonMediaType, r.Header.Get(api.AcceptHeader))
 				// Post-Fulu: only return status code, no payload
 				return &http.Response{
 					StatusCode: http.StatusAccepted,
@@ -1591,9 +1591,9 @@ func TestSubmitBlindedBlockPostFulu(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 				require.Equal(t, postBlindedBeaconBlockV2Path, r.URL.Path)
-				require.Equal(t, "bellatrix", r.Header.Get(api.VersionHeader))
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Content-Type"))
-				require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Accept"))
+				require.Equal(t, "bellatrix", r.Header.Get(api.EthConsensusVersionHeader))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.ContentTypeHeader))
+				require.Equal(t, api.OctetStreamMediaType, r.Header.Get(api.AcceptHeader))
 				// Post-Fulu: only return status code, no payload
 				return &http.Response{
 					StatusCode: http.StatusAccepted,
@@ -1617,7 +1617,7 @@ func TestSubmitBlindedBlockPostFulu(t *testing.T) {
 		hc := &http.Client{
 			Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 				require.Equal(t, postBlindedBeaconBlockV2Path, r.URL.Path)
-				require.Equal(t, "bellatrix", r.Header.Get("Eth-Consensus-Version"))
+				require.Equal(t, "bellatrix", r.Header.Get(api.EthConsensusVersionHeader))
 				message := ErrorMessage{
 					Code:    400,
 					Message: "Bad Request",
--- a/api/client/builder/testing/BUILD.bazel
+++ b/api/client/builder/testing/BUILD.bazel
@@ -3,7 +3,7 @@ load("@prysm//tools/go:def.bzl", "go_library")
 go_library(
    name = "go_default_library",
    srcs = ["mock.go"],
-    importpath = "github.com/OffchainLabs/prysm/v7/api/client/builder/testing",
+    importpath = "github.com/OffchainLabs/prysm/v6/api/client/builder/testing",
    visibility = ["//visibility:public"],
    deps = [
        "//api/client/builder:go_default_library",
--- a/api/client/builder/testing/mock.go
+++ b/api/client/builder/testing/mock.go
@@ -3,12 +3,12 @@ package testing
 import (
 	"context"

-	"github.com/OffchainLabs/prysm/v7/api/client/builder"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	v1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/api/client/builder"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	v1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
+	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
 )

 // MockClient is a mock implementation of BuilderClient.
--- a/api/client/builder/types.go
+++ b/api/client/builder/types.go
@@ -7,16 +7,16 @@ import (
 	"strconv"
 	"strings"

-	"github.com/OffchainLabs/prysm/v7/api/server/structs"
-	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	consensusblocks "github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	types "github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	"github.com/OffchainLabs/prysm/v7/math"
-	v1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
+	"github.com/OffchainLabs/prysm/v6/api/server/structs"
+	fieldparams "github.com/OffchainLabs/prysm/v6/config/fieldparams"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	consensusblocks "github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	types "github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	"github.com/OffchainLabs/prysm/v6/math"
+	v1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
+	eth "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/runtime/version"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/pkg/errors"
 	"google.golang.org/protobuf/proto"
@@ -121,7 +121,7 @@ func (s *Uint64String) UnmarshalText(t []byte) error {

 // MarshalText returns a byte representation of the text from Uint64String.
 func (s Uint64String) MarshalText() ([]byte, error) {
-	return fmt.Appendf(nil, "%d", s), nil
+	return []byte(fmt.Sprintf("%d", s)), nil
 }

 // VersionResponse is a JSON representation of a field in the builder API header response.
--- a/api/client/builder/types_test.go
+++ b/api/client/builder/types_test.go
@@ -11,18 +11,18 @@ import (
 	"os"
 	"testing"

-	"github.com/OffchainLabs/go-bitfield"
-	"github.com/OffchainLabs/prysm/v7/api/server/structs"
-	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
-	consensusblocks "github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/math"
-	v1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/api/server/structs"
+	fieldparams "github.com/OffchainLabs/prysm/v6/config/fieldparams"
+	consensusblocks "github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/math"
+	v1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
+	eth "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/runtime/version"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/pkg/errors"
+	"github.com/prysmaticlabs/go-bitfield"
 )

 func ezDecode(t *testing.T, s string) []byte {
--- a/api/client/client_test.go
+++ b/api/client/client_test.go
@@ -4,7 +4,7 @@ import (
 	"net/url"
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 )

 func TestValidHostname(t *testing.T) {
--- a/api/client/event/BUILD.bazel
+++ b/api/client/event/BUILD.bazel
@@ -6,7 +6,7 @@ go_library(
        "event_stream.go",
        "utils.go",
    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/api/client/event",
+    importpath = "github.com/OffchainLabs/prysm/v6/api/client/event",
    visibility = ["//visibility:public"],
    deps = [
        "//api:go_default_library",
--- a/api/client/event/event_stream.go
+++ b/api/client/event/event_stream.go
@@ -7,8 +7,8 @@ import (
 	"net/url"
 	"strings"

-	"github.com/OffchainLabs/prysm/v7/api"
-	"github.com/OffchainLabs/prysm/v7/api/client"
+	"github.com/OffchainLabs/prysm/v6/api"
+	"github.com/OffchainLabs/prysm/v6/api/client"
 	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 )
@@ -73,8 +73,8 @@ func (h *EventStream) Subscribe(eventsChannel chan<- *Event) {
 			Data:      []byte(errors.Wrap(err, "failed to create HTTP request").Error()),
 		}
 	}
-	req.Header.Set("Accept", api.EventStreamMediaType)
-	req.Header.Set("Connection", api.KeepAlive)
+	req.Header.Set(api.AcceptHeader, api.EventStreamMediaType)
+	req.Header.Set(api.ConnectionHeader, api.KeepAlive)
 	resp, err := h.httpClient.Do(req)
 	if err != nil {
 		eventsChannel <- &Event{
--- a/api/client/event/event_stream_test.go
+++ b/api/client/event/event_stream_test.go
@@ -7,7 +7,7 @@ import (
 	"testing"
 	"time"

-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 	log "github.com/sirupsen/logrus"
 )

--- a/api/client/event/utils_test.go
+++ b/api/client/event/utils_test.go
@@ -5,7 +5,7 @@ import (
 	"bytes"
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 )

 func TestScanLinesWithCarriage(t *testing.T) {
--- a/api/client/options.go
+++ b/api/client/options.go
@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"net/http"
 	"time"
+
+	"github.com/OffchainLabs/prysm/v6/api"
 )

 // ReqOption is a request functional option.
@@ -12,14 +14,14 @@ type ReqOption func(*http.Request)
 // WithSSZEncoding is a request functional option that adds SSZ encoding header.
 func WithSSZEncoding() ReqOption {
 	return func(req *http.Request) {
-		req.Header.Set("Accept", "application/octet-stream")
+		req.Header.Set(api.AcceptEncodingHeader, api.OctetStreamMediaType)
 	}
 }

 // WithAuthorizationToken is a request functional option that adds header for authorization token.
 func WithAuthorizationToken(token string) ReqOption {
 	return func(req *http.Request) {
-		req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
+		req.Header.Set(api.AuthorizationHeader, fmt.Sprintf("%s %s", api.BearerAuthorization, token))
 	}
 }

--- a/api/client/transport_test.go
+++ b/api/client/transport_test.go
@@ -5,8 +5,8 @@ import (
 	"net/http/httptest"
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 )

 type noopTransport struct{}
--- a/api/client/validator/BUILD.bazel
+++ b/api/client/validator/BUILD.bazel
@@ -3,7 +3,7 @@ load("@prysm//tools/go:def.bzl", "go_library")
 go_library(
    name = "go_default_library",
    srcs = ["client.go"],
-    importpath = "github.com/OffchainLabs/prysm/v7/api/client/validator",
+    importpath = "github.com/OffchainLabs/prysm/v6/api/client/validator",
    visibility = ["//visibility:public"],
    deps = [
        "//api/client:go_default_library",
--- a/api/client/validator/client.go
+++ b/api/client/validator/client.go
@@ -6,8 +6,8 @@ import (
 	"fmt"
 	"strings"

-	"github.com/OffchainLabs/prysm/v7/api/client"
-	"github.com/OffchainLabs/prysm/v7/validator/rpc"
+	"github.com/OffchainLabs/prysm/v6/api/client"
+	"github.com/OffchainLabs/prysm/v6/validator/rpc"
 	"github.com/pkg/errors"
 )

--- a/api/grpc/BUILD.bazel
+++ b/api/grpc/BUILD.bazel
@@ -6,7 +6,7 @@ go_library(
        "grpcutils.go",
        "parameters.go",
    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/api/grpc",
+    importpath = "github.com/OffchainLabs/prysm/v6/api/grpc",
    visibility = ["//visibility:public"],
    deps = [
        "@com_github_sirupsen_logrus//:go_default_library",
--- a/api/grpc/grpcutils.go
+++ b/api/grpc/grpcutils.go
@@ -15,7 +15,7 @@ import (
 func LogRequests(
 	ctx context.Context,
 	method string, req,
-	reply any,
+	reply interface{},
 	cc *grpc.ClientConn,
 	invoker grpc.UnaryInvoker,
 	opts ...grpc.CallOption,
--- a/api/grpc/grpcutils_test.go
+++ b/api/grpc/grpcutils_test.go
@@ -3,8 +3,8 @@ package grpc
 import (
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 	"google.golang.org/grpc/metadata"
 )
--- a/api/headers.go
+++ b/api/headers.go
@@ -3,18 +3,38 @@ package api
 import "net/http"

 const (
-	VersionHeader                 = "Eth-Consensus-Version"
-	ExecutionPayloadBlindedHeader = "Eth-Execution-Payload-Blinded"
-	ExecutionPayloadValueHeader   = "Eth-Execution-Payload-Value"
-	ConsensusBlockValueHeader     = "Eth-Consensus-Block-Value"
-	JsonMediaType                 = "application/json"
-	OctetStreamMediaType          = "application/octet-stream"
-	EventStreamMediaType          = "text/event-stream"
-	KeepAlive                     = "keep-alive"
+	// Headers
+	EthConsensusVersionHeader        = "Eth-Consensus-Version"
+	EthExecutionPayloadBlindedHeader = "Eth-Execution-Payload-Blinded"
+	EthExecutionPayloadValueHeader   = "Eth-Execution-Payload-Value"
+	EthConsensusBlockValueHeader     = "Eth-Consensus-Block-Value"
+	AcceptEncodingHeader             = "Accept-Encoding"
+	AcceptHeader                     = "Accept"
+	AccessControlAllowOriginHeader   = "Access-Control-Allow-Origin"
+	AuthorizationHeader              = "Authorization"
+	CacheControlHeader               = "Cache-Control"
+	ConnectionHeader                 = "Connection"
+	ContentEncodingHeader            = "Content-Encoding"
+	ContentLengthHeader              = "Content-Length"
+	ContentTypeHeader                = "Content-Type"
+	HostHeader                       = "Host"
+	OriginHeader                     = "Origin"
+	UserAgentHeader                  = "User-Agent"
+
+	// Header values
+	JsonMediaType        = "application/json"
+	OctetStreamMediaType = "application/octet-stream"
+	PlainMediaType       = "text/plain"
+	EventStreamMediaType = "text/event-stream"
+	KeepAlive            = "keep-alive"
+	GzipEncoding         = "gzip"
+	BasicAuthorization   = "Basic"
+	BearerAuthorization  = "Bearer"
+	NoCache              = "no-cache"
 )

 // 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)
+	w.Header().Set(ContentTypeHeader, EventStreamMediaType)
+	w.Header().Set(ConnectionHeader, KeepAlive)
 }
--- a/api/jwt.go
+++ b/api/jwt.go
@@ -1,7 +1,7 @@
 package api

 import (
-	"github.com/OffchainLabs/prysm/v7/crypto/rand"
+	"github.com/OffchainLabs/prysm/v6/crypto/rand"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/pkg/errors"
 )
--- a/api/jwt_test.go
+++ b/api/jwt_test.go
@@ -3,7 +3,7 @@ package api
 import (
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 )

 func TestGenerateRandomHexString(t *testing.T) {
--- a/api/pagination/BUILD.bazel
+++ b/api/pagination/BUILD.bazel
@@ -3,7 +3,7 @@ load("@prysm//tools/go:def.bzl", "go_library", "go_test")
 go_library(
    name = "go_default_library",
    srcs = ["pagination.go"],
-    importpath = "github.com/OffchainLabs/prysm/v7/api/pagination",
+    importpath = "github.com/OffchainLabs/prysm/v6/api/pagination",
    visibility = ["//visibility:public"],
    deps = [
        "//config/params:go_default_library",
--- a/api/pagination/pagination.go
+++ b/api/pagination/pagination.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"strconv"

-	"github.com/OffchainLabs/prysm/v7/config/params"
+	"github.com/OffchainLabs/prysm/v6/config/params"
 	"github.com/pkg/errors"
 )

--- a/api/pagination/pagination_test.go
+++ b/api/pagination/pagination_test.go
@@ -3,9 +3,9 @@ package pagination_test
 import (
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/api/pagination"
-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/api/pagination"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 )

 func TestStartAndEndPage(t *testing.T) {
--- a/api/server/BUILD.bazel
+++ b/api/server/BUILD.bazel
@@ -3,7 +3,7 @@ load("@prysm//tools/go:def.bzl", "go_library", "go_test")
 go_library(
    name = "go_default_library",
    srcs = ["error.go"],
-    importpath = "github.com/OffchainLabs/prysm/v7/api/server",
+    importpath = "github.com/OffchainLabs/prysm/v6/api/server",
    visibility = ["//visibility:public"],
 )

--- a/api/server/error_test.go
+++ b/api/server/error_test.go
@@ -4,7 +4,7 @@ import (
 	"errors"
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
 )

 func TestDecodeError(t *testing.T) {
--- a/api/server/httprest/BUILD.bazel
+++ b/api/server/httprest/BUILD.bazel
@@ -7,7 +7,7 @@ go_library(
        "options.go",
        "server.go",
    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/api/server/httprest",
+    importpath = "github.com/OffchainLabs/prysm/v6/api/server/httprest",
    visibility = ["//visibility:public"],
    deps = [
        "//api/server/middleware:go_default_library",
--- a/api/server/httprest/options.go
+++ b/api/server/httprest/options.go
@@ -4,7 +4,7 @@ import (
 	"net/http"
 	"time"

-	"github.com/OffchainLabs/prysm/v7/api/server/middleware"
+	"github.com/OffchainLabs/prysm/v6/api/server/middleware"
 )

 // Option is a http rest server functional parameter type.
--- a/api/server/httprest/server.go
+++ b/api/server/httprest/server.go
@@ -5,8 +5,8 @@ import (
 	"net/http"
 	"time"

-	"github.com/OffchainLabs/prysm/v7/api/server/middleware"
-	"github.com/OffchainLabs/prysm/v7/runtime"
+	"github.com/OffchainLabs/prysm/v6/api/server/middleware"
+	"github.com/OffchainLabs/prysm/v6/runtime"
 	"github.com/pkg/errors"
 )

--- a/api/server/httprest/server_test.go
+++ b/api/server/httprest/server_test.go
@@ -9,9 +9,9 @@ import (
 	"net/url"
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/cmd/beacon-chain/flags"
-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/cmd/beacon-chain/flags"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 	"github.com/urfave/cli/v2"
 )
--- a/api/server/middleware/BUILD.bazel
+++ b/api/server/middleware/BUILD.bazel
@@ -6,7 +6,7 @@ go_library(
        "middleware.go",
        "util.go",
    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/api/server/middleware",
+    importpath = "github.com/OffchainLabs/prysm/v6/api/server/middleware",
    visibility = ["//visibility:public"],
    deps = [
        "//api:go_default_library",
--- a/api/server/middleware/middleware.go
+++ b/api/server/middleware/middleware.go
@@ -6,8 +6,8 @@ import (
 	"net/http"
 	"strings"

-	"github.com/OffchainLabs/prysm/v7/api"
-	"github.com/OffchainLabs/prysm/v7/api/apiutil"
+	"github.com/OffchainLabs/prysm/v6/api"
+	"github.com/OffchainLabs/prysm/v6/api/apiutil"
 	"github.com/rs/cors"
 	log "github.com/sirupsen/logrus"
 )
@@ -47,7 +47,7 @@ func ContentTypeHandler(acceptedMediaTypes []string) Middleware {
 				next.ServeHTTP(w, r)
 				return
 			}
-			contentType := r.Header.Get("Content-Type")
+			contentType := r.Header.Get(api.ContentTypeHeader)
 			if contentType == "" {
 				http.Error(w, "Content-Type header is missing", http.StatusUnsupportedMediaType)
 				return
@@ -75,7 +75,7 @@ func ContentTypeHandler(acceptedMediaTypes []string) Middleware {
 func AcceptHeaderHandler(serverAcceptedTypes []string) Middleware {
 	return func(next http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-			if _, ok := apiutil.Negotiate(r.Header.Get("Accept"), serverAcceptedTypes); !ok {
+			if _, ok := apiutil.Negotiate(r.Header.Get(api.AcceptHeader), serverAcceptedTypes); !ok {
 				http.Error(w, "Not Acceptable", http.StatusNotAcceptable)
 				return
 			}
@@ -88,7 +88,7 @@ func AcceptHeaderHandler(serverAcceptedTypes []string) Middleware {
 func AcceptEncodingHeaderHandler() Middleware {
 	return func(next http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-			if !strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
+			if !strings.Contains(r.Header.Get(api.AcceptEncodingHeader), api.GzipEncoding) {
 				next.ServeHTTP(w, r)
 				return
 			}
@@ -116,10 +116,10 @@ type gzipResponseWriter struct {
 }

 func (g *gzipResponseWriter) WriteHeader(statusCode int) {
-	if strings.Contains(g.Header().Get("Content-Type"), api.JsonMediaType) {
+	if strings.Contains(g.Header().Get(api.ContentTypeHeader), api.JsonMediaType) {
 		// Removing the current Content-Length because zipping will change it.
-		g.Header().Del("Content-Length")
-		g.Header().Set("Content-Encoding", "gzip")
+		g.Header().Del(api.ContentLengthHeader)
+		g.Header().Set(api.ContentEncodingHeader, api.GzipEncoding)
 		g.zip = true
 	}

--- a/api/server/middleware/middleware_test.go
+++ b/api/server/middleware/middleware_test.go
@@ -8,8 +8,8 @@ import (
 	"net/http/httptest"
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/api"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/api"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 	log "github.com/sirupsen/logrus"
 )

@@ -132,7 +132,7 @@ func TestContentTypeHandler(t *testing.T) {
 			}
 			req := httptest.NewRequest(httpMethod, "/", nil)
 			if tt.contentType != "" {
-				req.Header.Set("Content-Type", tt.contentType)
+				req.Header.Set(api.ContentTypeHeader, tt.contentType)
 			}
 			rr := httptest.NewRecorder()

@@ -148,7 +148,7 @@ func TestContentTypeHandler(t *testing.T) {
 func TestAcceptEncodingHeaderHandler(t *testing.T) {
 	dummyContent := "Test gzip middleware content"
 	nextHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Content-Type", r.Header.Get("Accept"))
+		w.Header().Set(api.ContentTypeHeader, r.Header.Get(api.AcceptHeader))
 		w.WriteHeader(http.StatusOK)
 		_, err := w.Write([]byte(dummyContent))
 		require.NoError(t, err)
@@ -165,7 +165,7 @@ func TestAcceptEncodingHeaderHandler(t *testing.T) {
 		{
 			name:             "Accept gzip",
 			accept:           api.JsonMediaType,
-			acceptEncoding:   "gzip",
+			acceptEncoding:   api.GzipEncoding,
 			expectCompressed: true,
 		},
 		{
@@ -189,7 +189,7 @@ func TestAcceptEncodingHeaderHandler(t *testing.T) {
 		{
 			name:             "SSZ",
 			accept:           api.OctetStreamMediaType,
-			acceptEncoding:   "gzip",
+			acceptEncoding:   api.GzipEncoding,
 			expectCompressed: false,
 		},
 	}
@@ -197,16 +197,16 @@ func TestAcceptEncodingHeaderHandler(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			req := httptest.NewRequest("GET", "/", nil)
-			req.Header.Set("Accept", tt.accept)
+			req.Header.Set(api.AcceptHeader, tt.accept)
 			if tt.acceptEncoding != "" {
-				req.Header.Set("Accept-Encoding", tt.acceptEncoding)
+				req.Header.Set(api.AcceptEncodingHeader, tt.acceptEncoding)
 			}
 			rr := &frozenHeaderRecorder{ResponseRecorder: httptest.NewRecorder()}

 			handler.ServeHTTP(rr, req)

 			if tt.expectCompressed {
-				require.Equal(t, "gzip", rr.frozenHeader.Get("Content-Encoding"), "Expected Content-Encoding header to be 'gzip'")
+				require.Equal(t, api.GzipEncoding, rr.frozenHeader.Get(api.ContentEncodingHeader), "Expected Content-Encoding header to be 'gzip'")

 				compressedBody := rr.Body.Bytes()
 				require.NotEqual(t, dummyContent, string(compressedBody), "Response body should be compressed and differ from the original")
@@ -230,7 +230,7 @@ func TestAcceptEncodingHeaderHandler(t *testing.T) {
 }

 func TestAcceptHeaderHandler(t *testing.T) {
-	acceptedTypes := []string{"application/json", "application/octet-stream"}
+	acceptedTypes := []string{api.JsonMediaType, api.OctetStreamMediaType}

 	nextHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		_, err := w.Write([]byte("next handler"))
@@ -295,7 +295,7 @@ func TestAcceptHeaderHandler(t *testing.T) {
 		t.Run(tt.name, func(t *testing.T) {
 			req := httptest.NewRequest("GET", "/", nil)
 			if tt.acceptHeader != "" {
-				req.Header.Set("Accept", tt.acceptHeader)
+				req.Header.Set(api.AcceptHeader, tt.acceptHeader)
 			}
 			rr := httptest.NewRecorder()

--- a/api/server/middleware/util_test.go
+++ b/api/server/middleware/util_test.go
@@ -3,8 +3,8 @@ package middleware
 import (
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 )

 func TestNormalizeQueryValues(t *testing.T) {
--- a/api/server/structs/BUILD.bazel
+++ b/api/server/structs/BUILD.bazel
@@ -13,6 +13,7 @@ go_library(
        "conversions_state.go",
        "endpoints_beacon.go",
        "endpoints_blob.go",
+        "endpoints_builder.go",
        "endpoints_config.go",
        "endpoints_debug.go",
        "endpoints_events.go",
@@ -23,7 +24,7 @@ go_library(
        "other.go",
        "state.go",
    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/api/server/structs",
+    importpath = "github.com/OffchainLabs/prysm/v6/api/server/structs",
    visibility = ["//visibility:public"],
    deps = [
        "//api/server:go_default_library",
--- a/api/server/structs/conversions.go
+++ b/api/server/structs/conversions.go
@@ -4,18 +4,18 @@ import (
 	"fmt"
 	"strconv"

-	"github.com/OffchainLabs/prysm/v7/api/server"
-	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/validator"
-	"github.com/OffchainLabs/prysm/v7/container/slice"
-	"github.com/OffchainLabs/prysm/v7/crypto/bls"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	"github.com/OffchainLabs/prysm/v7/math"
-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	ethv1 "github.com/OffchainLabs/prysm/v7/proto/eth/v1"
-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/api/server"
+	fieldparams "github.com/OffchainLabs/prysm/v6/config/fieldparams"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/validator"
+	"github.com/OffchainLabs/prysm/v6/container/slice"
+	"github.com/OffchainLabs/prysm/v6/crypto/bls"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	"github.com/OffchainLabs/prysm/v6/math"
+	enginev1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
+	ethv1 "github.com/OffchainLabs/prysm/v6/proto/eth/v1"
+	eth "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/pkg/errors"
@@ -1492,6 +1492,20 @@ func sszBytesToUint256String(b []byte) (string, error) {
 	return bi.String(), nil
 }

+func DepositSnapshotFromConsensus(ds *eth.DepositSnapshot) *DepositSnapshot {
+	finalized := make([]string, 0, len(ds.Finalized))
+	for _, f := range ds.Finalized {
+		finalized = append(finalized, hexutil.Encode(f))
+	}
+	return &DepositSnapshot{
+		Finalized:            finalized,
+		DepositRoot:          hexutil.Encode(ds.DepositRoot),
+		DepositCount:         fmt.Sprintf("%d", ds.DepositCount),
+		ExecutionBlockHash:   hexutil.Encode(ds.ExecutionHash),
+		ExecutionBlockHeight: fmt.Sprintf("%d", ds.ExecutionDepth),
+	}
+}
+
 func PendingDepositsFromConsensus(ds []*eth.PendingDeposit) []*PendingDeposit {
 	deposits := make([]*PendingDeposit, len(ds))
 	for i, d := range ds {
--- a/api/server/structs/conversions_blob.go
+++ b/api/server/structs/conversions_blob.go
@@ -3,9 +3,9 @@ package structs
 import (
 	"strconv"

-	"github.com/OffchainLabs/prysm/v7/api/server"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/api/server"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	eth "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
 )

 func (sc *Sidecar) ToConsensus() (*eth.BlobSidecar, error) {
--- a/api/server/structs/conversions_block.go
+++ b/api/server/structs/conversions_block.go
@@ -4,14 +4,14 @@ import (
 	"fmt"
 	"strconv"

-	"github.com/OffchainLabs/prysm/v7/api/server"
-	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/container/slice"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/api/server"
+	fieldparams "github.com/OffchainLabs/prysm/v6/config/fieldparams"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/container/slice"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	enginev1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
+	eth "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/pkg/errors"
--- a/api/server/structs/conversions_block_execution.go
+++ b/api/server/structs/conversions_block_execution.go
@@ -4,14 +4,14 @@ import (
 	"fmt"
 	"strconv"

-	"github.com/OffchainLabs/prysm/v7/api/server"
-	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	consensusblocks "github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/container/slice"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
+	"github.com/OffchainLabs/prysm/v6/api/server"
+	fieldparams "github.com/OffchainLabs/prysm/v6/config/fieldparams"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	consensusblocks "github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/container/slice"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	enginev1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/pkg/errors"
--- a/api/server/structs/conversions_block_execution_test.go
+++ b/api/server/structs/conversions_block_execution_test.go
@@ -4,8 +4,8 @@ import (
 	"fmt"
 	"testing"

-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	enginev1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 )
--- a/api/server/structs/conversions_lightclient.go
+++ b/api/server/structs/conversions_lightclient.go
@@ -4,9 +4,9 @@ import (
 	"encoding/json"
 	"fmt"

-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
+	enginev1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
+	"github.com/OffchainLabs/prysm/v6/runtime/version"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/pkg/errors"
 )
--- a/api/server/structs/conversions_state.go
+++ b/api/server/structs/conversions_state.go
@@ -4,8 +4,8 @@ import (
 	"errors"
 	"fmt"

-	beaconState "github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
+	beaconState "github.com/OffchainLabs/prysm/v6/beacon-chain/state"
+	enginev1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 )

--- a/api/server/structs/conversions_test.go
+++ b/api/server/structs/conversions_test.go
@@ -3,12 +3,30 @@ package structs
 import (
 	"testing"

-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	eth "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 )

+func TestDepositSnapshotFromConsensus(t *testing.T) {
+	ds := &eth.DepositSnapshot{
+		Finalized:      [][]byte{{0xde, 0xad, 0xbe, 0xef}, {0xca, 0xfe, 0xba, 0xbe}},
+		DepositRoot:    []byte{0xab, 0xcd},
+		DepositCount:   12345,
+		ExecutionHash:  []byte{0x12, 0x34},
+		ExecutionDepth: 67890,
+	}
+
+	res := DepositSnapshotFromConsensus(ds)
+	require.NotNil(t, res)
+	require.DeepEqual(t, []string{"0xdeadbeef", "0xcafebabe"}, res.Finalized)
+	require.Equal(t, "0xabcd", res.DepositRoot)
+	require.Equal(t, "12345", res.DepositCount)
+	require.Equal(t, "0x1234", res.ExecutionBlockHash)
+	require.Equal(t, "67890", res.ExecutionBlockHeight)
+}
+
 func TestSignedBLSToExecutionChange_ToConsensus(t *testing.T) {
 	s := &SignedBLSToExecutionChange{Message: nil, Signature: ""}
 	_, err := s.ToConsensus()
--- a/api/server/structs/endpoints_beacon.go
+++ b/api/server/structs/endpoints_beacon.go
@@ -206,6 +206,18 @@ type WeakSubjectivityData struct {
 	StateRoot    string      `json:"state_root"`
 }

+type GetDepositSnapshotResponse struct {
+	Data *DepositSnapshot `json:"data"`
+}
+
+type DepositSnapshot struct {
+	Finalized            []string `json:"finalized"`
+	DepositRoot          string   `json:"deposit_root"`
+	DepositCount         string   `json:"deposit_count"`
+	ExecutionBlockHash   string   `json:"execution_block_hash"`
+	ExecutionBlockHeight string   `json:"execution_block_height"`
+}
+
 type GetIndividualVotesRequest struct {
 	Epoch      string   `json:"epoch"`
 	PublicKeys []string `json:"public_keys,omitempty"`
--- a/api/server/structs/endpoints_builder.go
+++ b/api/server/structs/endpoints_builder.go
@@ -0,0 +1,14 @@
+package structs
+
+type ExpectedWithdrawalsResponse struct {
+	Data                []*ExpectedWithdrawal `json:"data"`
+	ExecutionOptimistic bool                  `json:"execution_optimistic"`
+	Finalized           bool                  `json:"finalized"`
+}
+
+type ExpectedWithdrawal struct {
+	Address        string `json:"address" hex:"true"`
+	Amount         string `json:"amount"`
+	Index          string `json:"index"`
+	ValidatorIndex string `json:"validator_index"`
+}
--- a/api/server/structs/endpoints_config.go
+++ b/api/server/structs/endpoints_config.go
@@ -14,5 +14,5 @@ type GetForkScheduleResponse struct {
 }

 type GetSpecResponse struct {
-	Data any `json:"data"`
+	Data interface{} `json:"data"`
 }
--- a/api/server/structs/endpoints_validator.go
+++ b/api/server/structs/endpoints_validator.go
@@ -3,7 +3,7 @@ package structs
 import (
 	"encoding/json"

-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
 )

 type AggregateAttestationResponse struct {
--- a/async/BUILD.bazel
+++ b/async/BUILD.bazel
@@ -8,7 +8,7 @@ go_library(
        "multilock.go",
        "scatter.go",
    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/async",
+    importpath = "github.com/OffchainLabs/prysm/v6/async",
    visibility = ["//visibility:public"],
    deps = ["@com_github_sirupsen_logrus//:go_default_library"],
 )
--- a/async/abool/BUILD.bazel
+++ b/async/abool/BUILD.bazel
@@ -3,7 +3,7 @@ load("@prysm//tools/go:def.bzl", "go_library", "go_test")
 go_library(
    name = "go_default_library",
    srcs = ["abool.go"],
-    importpath = "github.com/OffchainLabs/prysm/v7/async/abool",
+    importpath = "github.com/OffchainLabs/prysm/v6/async/abool",
    visibility = ["//visibility:public"],
 )

--- a/async/abool/abool_test.go
+++ b/async/abool/abool_test.go
@@ -93,9 +93,9 @@ func TestToggleMultipleTimes(t *testing.T) {

 	v := New()
 	pre := !v.IsSet()
-	for i := range 100 {
+	for i := 0; i < 100; i++ {
 		v.SetTo(false)
-		for range i {
+		for j := 0; j < i; j++ {
 			pre = v.Toggle()
 		}

@@ -149,7 +149,7 @@ func TestRace(t *testing.T) {

 	// Writer
 	go func() {
-		for range repeat {
+		for i := 0; i < repeat; i++ {
 			v.Set()
 			wg.Done()
 		}
@@ -157,7 +157,7 @@ func TestRace(t *testing.T) {

 	// Reader
 	go func() {
-		for range repeat {
+		for i := 0; i < repeat; i++ {
 			v.IsSet()
 			wg.Done()
 		}
@@ -165,7 +165,7 @@ func TestRace(t *testing.T) {

 	// Writer
 	go func() {
-		for range repeat {
+		for i := 0; i < repeat; i++ {
 			v.UnSet()
 			wg.Done()
 		}
@@ -173,7 +173,7 @@ func TestRace(t *testing.T) {

 	// Reader And Writer
 	go func() {
-		for range repeat {
+		for i := 0; i < repeat; i++ {
 			v.Toggle()
 			wg.Done()
 		}
@@ -198,8 +198,8 @@ func ExampleAtomicBool() {
 func BenchmarkMutexRead(b *testing.B) {
 	var m sync.RWMutex
 	var v bool
-
-	for b.Loop() {
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
 		m.RLock()
 		_ = v
 		m.RUnlock()
@@ -208,16 +208,16 @@ func BenchmarkMutexRead(b *testing.B) {

 func BenchmarkAtomicValueRead(b *testing.B) {
 	var v atomic.Value
-
-	for b.Loop() {
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
 		_ = v.Load() != nil
 	}
 }

 func BenchmarkAtomicBoolRead(b *testing.B) {
 	v := New()
-
-	for b.Loop() {
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
 		_ = v.IsSet()
 	}
 }
@@ -227,8 +227,8 @@ func BenchmarkAtomicBoolRead(b *testing.B) {
 func BenchmarkMutexWrite(b *testing.B) {
 	var m sync.RWMutex
 	var v bool
-
-	for b.Loop() {
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
 		m.RLock()
 		v = true
 		m.RUnlock()
@@ -239,16 +239,16 @@ func BenchmarkMutexWrite(b *testing.B) {

 func BenchmarkAtomicValueWrite(b *testing.B) {
 	var v atomic.Value
-
-	for b.Loop() {
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
 		v.Store(true)
 	}
 }

 func BenchmarkAtomicBoolWrite(b *testing.B) {
 	v := New()
-
-	for b.Loop() {
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
 		v.Set()
 	}
 }
@@ -258,8 +258,8 @@ func BenchmarkAtomicBoolWrite(b *testing.B) {
 func BenchmarkMutexCAS(b *testing.B) {
 	var m sync.RWMutex
 	var v bool
-
-	for b.Loop() {
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
 		m.Lock()
 		if !v {
 			v = true
@@ -270,8 +270,8 @@ func BenchmarkMutexCAS(b *testing.B) {

 func BenchmarkAtomicBoolCAS(b *testing.B) {
 	v := New()
-
-	for b.Loop() {
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
 		v.SetToIf(false, true)
 	}
 }
@@ -281,8 +281,8 @@ func BenchmarkAtomicBoolCAS(b *testing.B) {
 func BenchmarkMutexToggle(b *testing.B) {
 	var m sync.RWMutex
 	var v bool
-
-	for b.Loop() {
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
 		m.Lock()
 		v = !v
 		m.Unlock()
@@ -291,8 +291,8 @@ func BenchmarkMutexToggle(b *testing.B) {

 func BenchmarkAtomicBoolToggle(b *testing.B) {
 	v := New()
-
-	for b.Loop() {
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
 		v.Toggle()
 	}
 }
--- a/async/benchmark_test.go
+++ b/async/benchmark_test.go
@@ -6,8 +6,8 @@ import (
 	"sync"
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/async"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/async"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 	log "github.com/sirupsen/logrus"
 )

@@ -21,7 +21,7 @@ const (

 func init() {
 	input = make([][]byte, benchmarkElements)
-	for i := range benchmarkElements {
+	for i := 0; i < benchmarkElements; i++ {
 		input[i] = make([]byte, benchmarkElementSize)
 		_, err := rand.Read(input[i])
 		if err != nil {
@@ -35,7 +35,7 @@ func hash(input [][]byte) [][]byte {
 	output := make([][]byte, len(input))
 	for i := range input {
 		copy(output, input)
-		for range benchmarkHashRuns {
+		for j := 0; j < benchmarkHashRuns; j++ {
 			hash := sha256.Sum256(output[i])
 			output[i] = hash[:]
 		}
@@ -44,15 +44,15 @@ func hash(input [][]byte) [][]byte {
 }

 func BenchmarkHash(b *testing.B) {
-	for b.Loop() {
+	for i := 0; i < b.N; i++ {
 		hash(input)
 	}
 }

 func BenchmarkHashMP(b *testing.B) {
 	output := make([][]byte, len(input))
-	for b.Loop() {
-		workerResults, err := async.Scatter(len(input), func(offset int, entries int, _ *sync.RWMutex) (any, error) {
+	for i := 0; i < b.N; i++ {
+		workerResults, err := async.Scatter(len(input), func(offset int, entries int, _ *sync.RWMutex) (interface{}, error) {
 			return hash(input[offset : offset+entries]), nil
 		})
 		require.NoError(b, err)
--- a/async/debounce.go
+++ b/async/debounce.go
@@ -7,7 +7,7 @@ import (

 // Debounce events fired over a channel by a specified duration, ensuring no events
 // are handled until a certain interval of time has passed.
-func Debounce(ctx context.Context, interval time.Duration, eventsChan <-chan any, handler func(any)) {
+func Debounce(ctx context.Context, interval time.Duration, eventsChan <-chan interface{}, handler func(interface{})) {
 	var timer *time.Timer
 	defer func() {
 		if timer != nil {
--- a/async/debounce_test.go
+++ b/async/debounce_test.go
@@ -7,14 +7,14 @@ import (
 	"testing"
 	"time"

-	"github.com/OffchainLabs/prysm/v7/async"
-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-	"github.com/OffchainLabs/prysm/v7/testing/util"
+	"github.com/OffchainLabs/prysm/v6/async"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/util"
 )

 func TestDebounce_NoEvents(t *testing.T) {
-	eventsChan := make(chan any, 100)
+	eventsChan := make(chan interface{}, 100)
 	ctx, cancel := context.WithCancel(t.Context())
 	interval := time.Second
 	timesHandled := int32(0)
@@ -26,7 +26,7 @@ func TestDebounce_NoEvents(t *testing.T) {
 		})
 	}()
 	go func() {
-		async.Debounce(ctx, interval, eventsChan, func(event any) {
+		async.Debounce(ctx, interval, eventsChan, func(event interface{}) {
 			atomic.AddInt32(&timesHandled, 1)
 		})
 		wg.Done()
@@ -38,7 +38,7 @@ func TestDebounce_NoEvents(t *testing.T) {
 }

 func TestDebounce_CtxClosing(t *testing.T) {
-	eventsChan := make(chan any, 100)
+	eventsChan := make(chan interface{}, 100)
 	ctx, cancel := context.WithCancel(t.Context())
 	interval := time.Second
 	timesHandled := int32(0)
@@ -62,7 +62,7 @@ func TestDebounce_CtxClosing(t *testing.T) {
 		})
 	}()
 	go func() {
-		async.Debounce(ctx, interval, eventsChan, func(event any) {
+		async.Debounce(ctx, interval, eventsChan, func(event interface{}) {
 			atomic.AddInt32(&timesHandled, 1)
 		})
 		wg.Done()
@@ -74,14 +74,14 @@ func TestDebounce_CtxClosing(t *testing.T) {
 }

 func TestDebounce_SingleHandlerInvocation(t *testing.T) {
-	eventsChan := make(chan any, 100)
+	eventsChan := make(chan interface{}, 100)
 	ctx, cancel := context.WithCancel(t.Context())
 	interval := time.Second
 	timesHandled := int32(0)
-	go async.Debounce(ctx, interval, eventsChan, func(event any) {
+	go async.Debounce(ctx, interval, eventsChan, func(event interface{}) {
 		atomic.AddInt32(&timesHandled, 1)
 	})
-	for range 100 {
+	for i := 0; i < 100; i++ {
 		eventsChan <- struct{}{}
 	}
 	// We should expect 100 rapid fire changes to only have caused
@@ -92,14 +92,14 @@ func TestDebounce_SingleHandlerInvocation(t *testing.T) {
 }

 func TestDebounce_MultipleHandlerInvocation(t *testing.T) {
-	eventsChan := make(chan any, 100)
+	eventsChan := make(chan interface{}, 100)
 	ctx, cancel := context.WithCancel(t.Context())
 	interval := time.Second
 	timesHandled := int32(0)
-	go async.Debounce(ctx, interval, eventsChan, func(event any) {
+	go async.Debounce(ctx, interval, eventsChan, func(event interface{}) {
 		atomic.AddInt32(&timesHandled, 1)
 	})
-	for range 100 {
+	for i := 0; i < 100; i++ {
 		eventsChan <- struct{}{}
 	}
 	require.Equal(t, int32(0), atomic.LoadInt32(&timesHandled), "Events must prevent from handler execution")
--- a/async/event/BUILD.bazel
+++ b/async/event/BUILD.bazel
@@ -7,7 +7,7 @@ go_library(
        "interface.go",
        "subscription.go",
    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/async/event",
+    importpath = "github.com/OffchainLabs/prysm/v6/async/event",
    visibility = ["//visibility:public"],
    deps = [
        "//time/mclock:go_default_library",
--- a/async/event/example_scope_test.go
+++ b/async/event/example_scope_test.go
@@ -20,7 +20,7 @@ import (
 	"fmt"
 	"sync"

-	"github.com/OffchainLabs/prysm/v7/async/event"
+	"github.com/OffchainLabs/prysm/v6/async/event"
 )

 // This example demonstrates how SubscriptionScope can be used to control the lifetime of
@@ -93,7 +93,9 @@ func ExampleSubscriptionScope() {
 	// Run a subscriber in the background.
 	divsub := app.SubscribeResults('/', divs)
 	mulsub := app.SubscribeResults('*', muls)
-	wg.Go(func() {
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
 		defer fmt.Println("subscriber exited")
 		defer divsub.Unsubscribe()
 		defer mulsub.Unsubscribe()
@@ -109,7 +111,7 @@ func ExampleSubscriptionScope() {
 				return
 			}
 		}
-	})
+	}()

 	// Interact with the app.
 	app.Calc('/', 22, 11)
--- a/async/event/example_subscription_test.go
+++ b/async/event/example_subscription_test.go
@@ -19,14 +19,14 @@ package event_test
 import (
 	"fmt"

-	"github.com/OffchainLabs/prysm/v7/async/event"
+	"github.com/OffchainLabs/prysm/v6/async/event"
 )

 func ExampleNewSubscription() {
 	// Create a subscription that sends 10 integers on ch.
 	ch := make(chan int)
 	sub := event.NewSubscription(func(quit <-chan struct{}) error {
-		for i := range 10 {
+		for i := 0; i < 10; i++ {
 			select {
 			case ch <- i:
 			case <-quit:
--- a/async/event/interface.go
+++ b/async/event/interface.go
@@ -3,6 +3,6 @@ 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 any) Subscription
-	Send(value any) (nsent int)
+	Subscribe(channel interface{}) Subscription
+	Send(value interface{}) (nsent int)
 }
--- a/async/event/subscription.go
+++ b/async/event/subscription.go
@@ -21,7 +21,7 @@ import (
 	"sync"
 	"time"

-	"github.com/OffchainLabs/prysm/v7/time/mclock"
+	"github.com/OffchainLabs/prysm/v6/time/mclock"
 )

 // waitQuotient is divided against the max backoff time, in order to have N requests based on the full
--- a/async/event/subscription_test.go
+++ b/async/event/subscription_test.go
@@ -23,14 +23,14 @@ import (
 	"testing"
 	"time"

-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 )

 var errInts = errors.New("error in subscribeInts")

 func subscribeInts(max, fail int, c chan<- int) Subscription {
 	return NewSubscription(func(quit <-chan struct{}) error {
-		for i := range max {
+		for i := 0; i < max; i++ {
 			if i >= fail {
 				return errInts
 			}
@@ -50,7 +50,7 @@ func TestNewSubscriptionError(t *testing.T) {
 	channel := make(chan int)
 	sub := subscribeInts(10, 2, channel)
 loop:
-	for want := range 10 {
+	for want := 0; want < 10; want++ {
 		select {
 		case got := <-channel:
 			require.Equal(t, want, got)
--- a/async/every_test.go
+++ b/async/every_test.go
@@ -6,7 +6,7 @@ import (
 	"testing"
 	"time"

-	"github.com/OffchainLabs/prysm/v7/async"
+	"github.com/OffchainLabs/prysm/v6/async"
 )

 func TestEveryRuns(t *testing.T) {
--- a/async/multilock_test.go
+++ b/async/multilock_test.go
@@ -107,13 +107,15 @@ func TestLockUnlock(_ *testing.T) {

 func TestLockUnlock_CleansUnused(t *testing.T) {
 	var wg sync.WaitGroup
-	wg.Go(func() {
+	wg.Add(1)
+	go func() {
 		lock := NewMultilock("dog", "cat", "owl")
 		lock.Lock()
 		assert.Equal(t, 3, len(locks.list))
 		lock.Unlock()

-	})
+		wg.Done()
+	}()
 	wg.Wait()
 	// We expect that unlocking completely cleared the locks list
 	// given all 3 lock keys were unused at time of unlock.
--- a/async/scatter.go
+++ b/async/scatter.go
@@ -9,14 +9,14 @@ import (
 // WorkerResults are the results of a scatter worker.
 type WorkerResults struct {
 	Offset int
-	Extent any
+	Extent interface{}
 }

 // Scatter scatters a computation across multiple goroutines.
 // This breaks the task in to a number of chunks and executes those chunks in parallel with the function provided.
 // Results returned are collected and presented as a set of WorkerResults, which can be reassembled by the calling function.
 // Any error that occurs in the workers will be passed back to the calling function.
-func Scatter(inputLen int, sFunc func(int, int, *sync.RWMutex) (any, error)) ([]*WorkerResults, error) {
+func Scatter(inputLen int, sFunc func(int, int, *sync.RWMutex) (interface{}, error)) ([]*WorkerResults, error) {
 	if inputLen <= 0 {
 		return nil, errors.New("input length must be greater than 0")
 	}
--- a/async/scatter_test.go
+++ b/async/scatter_test.go
@@ -5,9 +5,9 @@ import (
 	"sync"
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/async"
-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/async"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 )

 func TestDouble(t *testing.T) {
@@ -46,9 +46,9 @@ func TestDouble(t *testing.T) {
 				inValues[i] = i
 			}
 			outValues := make([]int, test.inValues)
-			workerResults, err := async.Scatter(len(inValues), func(offset int, entries int, _ *sync.RWMutex) (any, error) {
+			workerResults, err := async.Scatter(len(inValues), func(offset int, entries int, _ *sync.RWMutex) (interface{}, error) {
 				extent := make([]int, entries)
-				for i := range entries {
+				for i := 0; i < entries; i++ {
 					extent[i] = inValues[offset+i] * 2
 				}
 				return extent, nil
@@ -72,8 +72,8 @@ func TestDouble(t *testing.T) {
 func TestMutex(t *testing.T) {
 	totalRuns := 1048576
 	val := 0
-	_, err := async.Scatter(totalRuns, func(offset int, entries int, mu *sync.RWMutex) (any, error) {
-		for range entries {
+	_, err := async.Scatter(totalRuns, func(offset int, entries int, mu *sync.RWMutex) (interface{}, error) {
+		for i := 0; i < entries; i++ {
 			mu.Lock()
 			val++
 			mu.Unlock()
@@ -90,8 +90,8 @@ func TestMutex(t *testing.T) {
 func TestError(t *testing.T) {
 	totalRuns := 1024
 	val := 0
-	_, err := async.Scatter(totalRuns, func(offset int, entries int, mu *sync.RWMutex) (any, error) {
-		for range entries {
+	_, err := async.Scatter(totalRuns, func(offset int, entries int, mu *sync.RWMutex) (interface{}, error) {
+		for i := 0; i < entries; i++ {
 			mu.Lock()
 			val++
 			if val == 1011 {
--- a/beacon-chain/blockchain/BUILD.bazel
+++ b/beacon-chain/blockchain/BUILD.bazel
@@ -31,7 +31,7 @@ go_library(
        "tracked_proposer.go",
        "weak_subjectivity_checks.go",
    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/beacon-chain/blockchain",
+    importpath = "github.com/OffchainLabs/prysm/v6/beacon-chain/blockchain",
    visibility = [
        "//beacon-chain:__subpackages__",
        "//cmd/beacon-chain:__subpackages__",
--- a/beacon-chain/blockchain/chain_info.go
+++ b/beacon-chain/blockchain/chain_info.go
@@ -5,20 +5,20 @@ import (
 	"context"
 	"time"

-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
-	f "github.com/OffchainLabs/prysm/v7/beacon-chain/forkchoice"
-	doublylinkedtree "github.com/OffchainLabs/prysm/v7/beacon-chain/forkchoice/doubly-linked-tree"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	consensus_blocks "github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/forkchoice"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/helpers"
+	f "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice"
+	doublylinkedtree "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
+	fieldparams "github.com/OffchainLabs/prysm/v6/config/fieldparams"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	consensus_blocks "github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/forkchoice"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	"github.com/OffchainLabs/prysm/v6/monitoring/tracing/trace"
+	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/time/slots"
 	"github.com/pkg/errors"
 )

@@ -79,7 +79,6 @@ type HeadFetcher interface {
 	HeadPublicKeyToValidatorIndex(pubKey [fieldparams.BLSPubkeyLength]byte) (primitives.ValidatorIndex, bool)
 	HeadValidatorIndexToPublicKey(ctx context.Context, index primitives.ValidatorIndex) ([fieldparams.BLSPubkeyLength]byte, error)
 	ChainHeads() ([][32]byte, []primitives.Slot)
-	DependentRootForEpoch([32]byte, primitives.Epoch) ([32]byte, error)
 	TargetRootForEpoch([32]byte, primitives.Epoch) ([32]byte, error)
 	HeadSyncCommitteeFetcher
 	HeadDomainFetcher
@@ -471,13 +470,6 @@ func (s *Service) IsOptimisticForRoot(ctx context.Context, root [32]byte) (bool,
 	return !isCanonical, nil
 }

-// DependentRootForEpoch wraps the corresponding method in forkchoice
-func (s *Service) DependentRootForEpoch(root [32]byte, epoch primitives.Epoch) ([32]byte, error) {
-	s.cfg.ForkChoiceStore.RLock()
-	defer s.cfg.ForkChoiceStore.RUnlock()
-	return s.cfg.ForkChoiceStore.DependentRootForEpoch(root, epoch)
-}
-
 // TargetRootForEpoch wraps the corresponding method in forkchoice
 func (s *Service) TargetRootForEpoch(root [32]byte, epoch primitives.Epoch) ([32]byte, error) {
 	s.cfg.ForkChoiceStore.RLock()
--- a/beacon-chain/blockchain/chain_info_forkchoice.go
+++ b/beacon-chain/blockchain/chain_info_forkchoice.go
@@ -4,12 +4,12 @@ import (
 	"context"
 	"time"

-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	consensus_blocks "github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/forkchoice"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
+	consensus_blocks "github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/forkchoice"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	"github.com/OffchainLabs/prysm/v6/runtime/version"
 	"github.com/pkg/errors"
 )

--- a/beacon-chain/blockchain/chain_info_norace_test.go
+++ b/beacon-chain/blockchain/chain_info_norace_test.go
@@ -3,11 +3,11 @@ package blockchain
 import (
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-	"github.com/OffchainLabs/prysm/v7/testing/util"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/util"
 )

 func TestHeadSlot_DataRace(t *testing.T) {
--- a/beacon-chain/blockchain/chain_info_test.go
+++ b/beacon-chain/blockchain/chain_info_test.go
@@ -5,21 +5,21 @@ import (
 	"testing"
 	"time"

-	testDB "github.com/OffchainLabs/prysm/v7/beacon-chain/db/testing"
-	forkchoicetypes "github.com/OffchainLabs/prysm/v7/beacon-chain/forkchoice/types"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
-	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	"github.com/OffchainLabs/prysm/v7/genesis"
-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-	"github.com/OffchainLabs/prysm/v7/testing/util"
+	testDB "github.com/OffchainLabs/prysm/v6/beacon-chain/db/testing"
+	forkchoicetypes "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/types"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
+	state_native "github.com/OffchainLabs/prysm/v6/beacon-chain/state/state-native"
+	fieldparams "github.com/OffchainLabs/prysm/v6/config/fieldparams"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	"github.com/OffchainLabs/prysm/v6/genesis"
+	enginev1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
+	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/util"
 	"google.golang.org/protobuf/proto"
 )

--- a/beacon-chain/blockchain/defragment.go
+++ b/beacon-chain/blockchain/defragment.go
@@ -1,8 +1,8 @@
 package blockchain

 import (
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	"github.com/OffchainLabs/prysm/v7/time"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
+	"github.com/OffchainLabs/prysm/v6/time"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
 )
--- a/beacon-chain/blockchain/error.go
+++ b/beacon-chain/blockchain/error.go
@@ -3,7 +3,7 @@ package blockchain
 import (
 	stderrors "errors"

-	"github.com/OffchainLabs/prysm/v7/beacon-chain/verification"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/verification"
 	"github.com/pkg/errors"
 )

--- a/beacon-chain/blockchain/error_test.go
+++ b/beacon-chain/blockchain/error_test.go
@@ -3,8 +3,8 @@ package blockchain
 import (
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/beacon-chain/verification"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/verification"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
 	"github.com/pkg/errors"
 )

--- a/beacon-chain/blockchain/execution_engine.go
+++ b/beacon-chain/blockchain/execution_engine.go
@@ -4,27 +4,27 @@ import (
 	"context"
 	"fmt"

-	"github.com/OffchainLabs/prysm/v7/async/event"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/cache"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/blocks"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/feed"
-	statefeed "github.com/OffchainLabs/prysm/v7/beacon-chain/core/feed/state"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/time"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/transition"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/execution"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	"github.com/OffchainLabs/prysm/v7/config/features"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	blocktypes "github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	payloadattribute "github.com/OffchainLabs/prysm/v7/consensus-types/payload-attribute"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
+	"github.com/OffchainLabs/prysm/v6/async/event"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/cache"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/blocks"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/feed"
+	statefeed "github.com/OffchainLabs/prysm/v6/beacon-chain/core/feed/state"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/helpers"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/time"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/transition"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/execution"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
+	"github.com/OffchainLabs/prysm/v6/config/features"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	blocktypes "github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
+	payloadattribute "github.com/OffchainLabs/prysm/v6/consensus-types/payload-attribute"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	"github.com/OffchainLabs/prysm/v6/monitoring/tracing/trace"
+	enginev1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
+	"github.com/OffchainLabs/prysm/v6/runtime/version"
+	"github.com/OffchainLabs/prysm/v6/time/slots"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
@@ -323,17 +323,14 @@ func (s *Service) getPayloadAttribute(ctx context.Context, st state.BeaconState,
 	var ok bool
 	e := slots.ToEpoch(slot)
 	stateEpoch := slots.ToEpoch(st.Slot())
-	fuluAndNextEpoch := st.Version() >= version.Fulu && e == stateEpoch+1
-	if e == stateEpoch || fuluAndNextEpoch {
+	if e == stateEpoch {
 		val, ok = s.trackedProposer(st, slot)
 		if !ok {
 			return emptyAttri
 		}
 	}
+	st = st.Copy()
 	if slot > st.Slot() {
-		// At this point either we know we are proposing on a future slot or we need to still compute the
-		// right proposer index pre-Fulu, either way we need to copy the state to process it.
-		st = st.Copy()
 		var err error
 		st, err = transition.ProcessSlotsUsingNextSlotCache(ctx, st, headRoot, slot)
 		if err != nil {
@@ -341,7 +338,7 @@ func (s *Service) getPayloadAttribute(ctx context.Context, st state.BeaconState,
 			return emptyAttri
 		}
 	}
-	if e > stateEpoch && !fuluAndNextEpoch {
+	if e > stateEpoch {
 		emptyAttri := payloadattribute.EmptyWithVersion(st.Version())
 		val, ok = s.trackedProposer(st, slot)
 		if !ok {
--- a/beacon-chain/blockchain/execution_engine_test.go
+++ b/beacon-chain/blockchain/execution_engine_test.go
@@ -5,26 +5,26 @@ import (
 	"testing"
 	"time"

-	"github.com/OffchainLabs/prysm/v7/beacon-chain/cache"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/blocks"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/execution"
-	mockExecution "github.com/OffchainLabs/prysm/v7/beacon-chain/execution/testing"
-	forkchoicetypes "github.com/OffchainLabs/prysm/v7/beacon-chain/forkchoice/types"
-	bstate "github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
-	"github.com/OffchainLabs/prysm/v7/config/features"
-	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	consensusblocks "github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	"github.com/OffchainLabs/prysm/v7/genesis"
-	v1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-	"github.com/OffchainLabs/prysm/v7/testing/util"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/cache"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/blocks"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/execution"
+	mockExecution "github.com/OffchainLabs/prysm/v6/beacon-chain/execution/testing"
+	forkchoicetypes "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/types"
+	bstate "github.com/OffchainLabs/prysm/v6/beacon-chain/state"
+	state_native "github.com/OffchainLabs/prysm/v6/beacon-chain/state/state-native"
+	"github.com/OffchainLabs/prysm/v6/config/features"
+	fieldparams "github.com/OffchainLabs/prysm/v6/config/fieldparams"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	consensusblocks "github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	"github.com/OffchainLabs/prysm/v6/genesis"
+	v1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
+	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/util"
 	"github.com/ethereum/go-ethereum/common"
 	gethtypes "github.com/ethereum/go-ethereum/core/types"
 )
--- a/beacon-chain/blockchain/forkchoice_update_execution.go
+++ b/beacon-chain/blockchain/forkchoice_update_execution.go
@@ -5,14 +5,14 @@ import (
 	"fmt"
 	"time"

-	doublylinkedtree "github.com/OffchainLabs/prysm/v7/beacon-chain/forkchoice/doubly-linked-tree"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	payloadattribute "github.com/OffchainLabs/prysm/v7/consensus-types/payload-attribute"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
+	doublylinkedtree "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
+	payloadattribute "github.com/OffchainLabs/prysm/v6/consensus-types/payload-attribute"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/monitoring/tracing/trace"
+	"github.com/OffchainLabs/prysm/v6/time/slots"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 )
--- a/beacon-chain/blockchain/forkchoice_update_execution_test.go
+++ b/beacon-chain/blockchain/forkchoice_update_execution_test.go
@@ -4,15 +4,15 @@ import (
 	"testing"
 	"time"

-	"github.com/OffchainLabs/prysm/v7/beacon-chain/cache"
-	testDB "github.com/OffchainLabs/prysm/v7/beacon-chain/db/testing"
-	mockExecution "github.com/OffchainLabs/prysm/v7/beacon-chain/execution/testing"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-	"github.com/OffchainLabs/prysm/v7/testing/util"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/cache"
+	testDB "github.com/OffchainLabs/prysm/v6/beacon-chain/db/testing"
+	mockExecution "github.com/OffchainLabs/prysm/v6/beacon-chain/execution/testing"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/util"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 )

--- a/beacon-chain/blockchain/head.go
+++ b/beacon-chain/blockchain/head.go
@@ -5,21 +5,21 @@ import (
 	"context"
 	"fmt"

-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/feed"
-	statefeed "github.com/OffchainLabs/prysm/v7/beacon-chain/core/feed/state"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/forkchoice"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	"github.com/OffchainLabs/prysm/v7/config/features"
-	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
-	ethpbv1 "github.com/OffchainLabs/prysm/v7/proto/eth/v1"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/feed"
+	statefeed "github.com/OffchainLabs/prysm/v6/beacon-chain/core/feed/state"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
+	"github.com/OffchainLabs/prysm/v6/config/features"
+	fieldparams "github.com/OffchainLabs/prysm/v6/config/fieldparams"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	"github.com/OffchainLabs/prysm/v6/monitoring/tracing/trace"
+	ethpbv1 "github.com/OffchainLabs/prysm/v6/proto/eth/v1"
+	"github.com/OffchainLabs/prysm/v6/runtime/version"
+	"github.com/OffchainLabs/prysm/v6/time/slots"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 )
--- a/beacon-chain/blockchain/head_sync_committee_info.go
+++ b/beacon-chain/blockchain/head_sync_committee_info.go
@@ -4,17 +4,17 @@ import (
 	"context"
 	"fmt"

-	"github.com/OffchainLabs/prysm/v7/async"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/cache"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/altair"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/transition"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
+	"github.com/OffchainLabs/prysm/v6/async"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/cache"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/altair"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/helpers"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/signing"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/transition"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/time/slots"
 	"github.com/pkg/errors"
 )

--- a/beacon-chain/blockchain/head_sync_committee_info_test.go
+++ b/beacon-chain/blockchain/head_sync_committee_info_test.go
@@ -3,13 +3,13 @@ package blockchain
 import (
 	"testing"

-	"github.com/OffchainLabs/prysm/v7/beacon-chain/cache"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-	"github.com/OffchainLabs/prysm/v7/testing/util"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/cache"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/signing"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/util"
+	"github.com/OffchainLabs/prysm/v6/time/slots"
 )

 func TestService_HeadSyncCommitteeIndices(t *testing.T) {
--- a/beacon-chain/blockchain/head_test.go
+++ b/beacon-chain/blockchain/head_test.go
@@ -7,20 +7,20 @@ import (
 	"testing"
 	"time"

-	mock "github.com/OffchainLabs/prysm/v7/beacon-chain/blockchain/testing"
-	testDB "github.com/OffchainLabs/prysm/v7/beacon-chain/db/testing"
-	forkchoicetypes "github.com/OffchainLabs/prysm/v7/beacon-chain/forkchoice/types"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/operations/blstoexec"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	ethpbv1 "github.com/OffchainLabs/prysm/v7/proto/eth/v1"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-	"github.com/OffchainLabs/prysm/v7/testing/util"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
+	mock "github.com/OffchainLabs/prysm/v6/beacon-chain/blockchain/testing"
+	testDB "github.com/OffchainLabs/prysm/v6/beacon-chain/db/testing"
+	forkchoicetypes "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/types"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/operations/blstoexec"
+	"github.com/OffchainLabs/prysm/v6/config/params"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	ethpbv1 "github.com/OffchainLabs/prysm/v6/proto/eth/v1"
+	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v6/testing/assert"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/util"
+	"github.com/OffchainLabs/prysm/v6/time/slots"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 )

--- a/beacon-chain/blockchain/init_sync_process_block.go
+++ b/beacon-chain/blockchain/init_sync_process_block.go
@@ -3,8 +3,8 @@ package blockchain
 import (
 	"context"

-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
 	"github.com/pkg/errors"
 )

--- a/beacon-chain/blockchain/init_sync_process_block_test.go
+++ b/beacon-chain/blockchain/init_sync_process_block_test.go
@@ -3,10 +3,10 @@ package blockchain
 import (
 	"testing"

-	testDB "github.com/OffchainLabs/prysm/v7/beacon-chain/db/testing"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-	"github.com/OffchainLabs/prysm/v7/testing/util"
+	testDB "github.com/OffchainLabs/prysm/v6/beacon-chain/db/testing"
+	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/testing/require"
+	"github.com/OffchainLabs/prysm/v6/testing/util"
 )

 func TestService_getBlock(t *testing.T) {
--- a/beacon-chain/blockchain/init_test.go
+++ b/beacon-chain/blockchain/init_test.go
@@ -1,7 +1,7 @@
 package blockchain

 import (
-	"github.com/OffchainLabs/prysm/v7/config/params"
+	"github.com/OffchainLabs/prysm/v6/config/params"
 )

 func init() {
--- a/beacon-chain/blockchain/kzg/BUILD.bazel
+++ b/beacon-chain/blockchain/kzg/BUILD.bazel
@@ -8,7 +8,7 @@ go_library(
        "validation.go",
    ],
    embedsrcs = ["trusted_setup_4096.json"],
-    importpath = "github.com/OffchainLabs/prysm/v7/beacon-chain/blockchain/kzg",
+    importpath = "github.com/OffchainLabs/prysm/v6/beacon-chain/blockchain/kzg",
    visibility = ["//visibility:public"],
    deps = [
        "//consensus-types/blocks:go_default_library",
@@ -23,7 +23,6 @@ go_library(
 go_test(
    name = "go_default_test",
    srcs = [
-        "kzg_test.go",
        "trusted_setup_test.go",
        "validation_test.go",
    ],
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Radosław Kapka	73d278bdde	Merge branch 'develop' into header-consts	2025-10-29 18:01:00 +01:00
rkapka	608fa30c95	build fix	2025-10-10 17:50:33 +02:00
rkapka	012dbba2e0	changelog <3	2025-10-10 17:49:21 +02:00
rkapka	2c56d9e0db	Always use constants for API headers	2025-10-10 17:41:17 +02:00