initialize genesis data asap at node start

beacon-chain/db/BUILD.bazel

@@ -13,6 +13,7 @@ go_library(
     visibility = [
         "//beacon-chain:__subpackages__",
         "//cmd/beacon-chain:__subpackages__",
+        "//genesis:__subpackages__",
         "//testing/slasher/simulator:__pkg__",
         "//tools:__subpackages__",
     ],

beacon-chain/db/kv/BUILD.bazel

@@ -38,7 +38,6 @@ go_library(
         "//beacon-chain/db/filters:go_default_library",
         "//beacon-chain/db/iface:go_default_library",
         "//beacon-chain/state:go_default_library",
-        "//beacon-chain/state/genesis:go_default_library",
         "//beacon-chain/state/state-native:go_default_library",
         "//config/features:go_default_library",
         "//config/fieldparams:go_default_library",
@@ -50,6 +49,7 @@ go_library(
         "//container/slice:go_default_library",
         "//encoding/bytesutil:go_default_library",
         "//encoding/ssz/detect:go_default_library",
+        "//genesis:go_default_library",
         "//io/file:go_default_library",
         "//monitoring/progress:go_default_library",
         "//monitoring/tracing:go_default_library",
@@ -106,7 +106,6 @@ go_test(
         "//beacon-chain/db/filters:go_default_library",
         "//beacon-chain/db/iface:go_default_library",
         "//beacon-chain/state:go_default_library",
-        "//beacon-chain/state/genesis:go_default_library",
         "//beacon-chain/state/state-native:go_default_library",
         "//config/features:go_default_library",
         "//config/fieldparams:go_default_library",
@@ -116,6 +115,7 @@ go_test(
         "//consensus-types/light-client:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//encoding/bytesutil:go_default_library",
+        "//genesis/embedded:go_default_library",
         "//proto/dbval:go_default_library",
         "//proto/engine/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",

beacon-chain/db/kv/genesis.go

@@ -8,6 +8,7 @@ import (
 	dbIface "github.com/OffchainLabs/prysm/v6/beacon-chain/db/iface"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
 	"github.com/OffchainLabs/prysm/v6/encoding/ssz/detect"
+	"github.com/OffchainLabs/prysm/v6/genesis"
 	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
 	"github.com/pkg/errors"
 )
@@ -97,8 +98,22 @@ func (s *Store) EnsureEmbeddedGenesis(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
-	if gs != nil && !gs.IsNil() {
+	if !state.IsNil(gs) {
 		return s.SaveGenesisData(ctx, gs)
 	}
 	return nil
 }
+
+type LegacyGenesisProvider struct {
+	store *Store
+}
+
+func NewLegacyGenesisProvider(store *Store) *LegacyGenesisProvider {
+	return &LegacyGenesisProvider{store: store}
+}
+
+var _ genesis.Provider = &LegacyGenesisProvider{}
+
+func (p *LegacyGenesisProvider) Genesis(ctx context.Context) (state.BeaconState, error) {
+	return p.store.LegacyGenesisState(ctx)
+}

beacon-chain/db/kv/state.go

@@ -6,14 +6,12 @@ import (
 	"fmt"
 
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
-	"github.com/OffchainLabs/prysm/v6/beacon-chain/state/genesis"
 	statenative "github.com/OffchainLabs/prysm/v6/beacon-chain/state/state-native"
 	"github.com/OffchainLabs/prysm/v6/config/features"
-	"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/monitoring/tracing"
+	"github.com/OffchainLabs/prysm/v6/genesis"
 	"github.com/OffchainLabs/prysm/v6/monitoring/tracing/trace"
 	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v6/runtime/version"
@@ -65,21 +63,16 @@ func (s *Store) StateOrError(ctx context.Context, blockRoot [32]byte) (state.Bea
 	return st, nil
 }
 
-// GenesisState returns the genesis state in beacon chain.
 func (s *Store) GenesisState(ctx context.Context) (state.BeaconState, error) {
-	ctx, span := trace.StartSpan(ctx, "BeaconDB.GenesisState")
-	defer span.End()
+	return genesis.State()
+}
 
-	cached, err := genesis.State(params.BeaconConfig().ConfigName)
-	if err != nil {
-		tracing.AnnotateError(span, err)
-		return nil, err
-	}
-	span.SetAttributes(trace.BoolAttribute("cache_hit", cached != nil))
-	if cached != nil {
-		return cached, nil
-	}
+// GenesisState returns the genesis state in beacon chain.
+func (s *Store) LegacyGenesisState(ctx context.Context) (state.BeaconState, error) {
+	ctx, span := trace.StartSpan(ctx, "BeaconDB.LegacyGenesisState")
+	defer span.End()
 
+	var err error
 	var st state.BeaconState
 	err = s.db.View(func(tx *bolt.Tx) error {
 		// Retrieve genesis block's signing root from blocks bucket,

beacon-chain/db/kv/wss_test.go

@@ -3,9 +3,9 @@ package kv
 import (
 	"testing"
 
-	"github.com/OffchainLabs/prysm/v6/beacon-chain/state/genesis"
 	"github.com/OffchainLabs/prysm/v6/config/params"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v6/genesis/embedded"
 	"github.com/OffchainLabs/prysm/v6/testing/require"
 	"github.com/OffchainLabs/prysm/v6/testing/util"
 )
@@ -18,7 +18,7 @@ func TestSaveOrigin(t *testing.T) {
 	ctx := t.Context()
 	db := setupDB(t)
 
-	st, err := genesis.State(params.MainnetName)
+	st, err := embedded.ByName(params.MainnetName)
 	require.NoError(t, err)
 
 	sb, err := st.MarshalSSZ()

beacon-chain/node/BUILD.bazel

@@ -3,6 +3,7 @@ load("@prysm//tools/go:def.bzl", "go_library", "go_test")
 go_library(
     name = "go_default_library",
     srcs = [
+        "clear_db.go",
         "config.go",
         "log.go",
         "node.go",
@@ -50,7 +51,6 @@ go_library(
         "//beacon-chain/sync/backfill:go_default_library",
         "//beacon-chain/sync/backfill/coverage:go_default_library",
         "//beacon-chain/sync/checkpoint:go_default_library",
-        "//beacon-chain/sync/genesis:go_default_library",
         "//beacon-chain/sync/initial-sync:go_default_library",
         "//beacon-chain/verification:go_default_library",
         "//cmd:go_default_library",
@@ -60,6 +60,7 @@ go_library(
         "//consensus-types/primitives:go_default_library",
         "//container/slice:go_default_library",
         "//encoding/bytesutil:go_default_library",
+        "//genesis:go_default_library",
         "//monitoring/prometheus:go_default_library",
         "//monitoring/tracing:go_default_library",
         "//runtime:go_default_library",

beacon-chain/node/clear_db.go

@@ -0,0 +1,101 @@
+package node
+
+import (
+	"context"
+
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/db/filesystem"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/db/kv"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/db/slasherkv"
+	"github.com/OffchainLabs/prysm/v6/cmd"
+	"github.com/pkg/errors"
+	"github.com/urfave/cli/v2"
+)
+
+type dbClearer struct {
+	shouldClear bool
+	force       bool
+	confirmed   bool
+}
+
+const (
+	clearConfirmation = "This will delete your beacon chain database stored in your data directory. " +
+		"Your database backups will not be removed - do you want to proceed? (Y/N)"
+
+	clearDeclined = "Database will not be deleted. No changes have been made."
+)
+
+func (c *dbClearer) clearKV(ctx context.Context, db *kv.Store) (*kv.Store, error) {
+	if !c.shouldProceed() {
+		return db, nil
+	}
+
+	log.Warning("Removing database")
+	if err := db.ClearDB(); err != nil {
+		return nil, errors.Wrap(err, "could not clear database")
+	}
+	return kv.NewKVStore(ctx, db.DatabasePath())
+}
+
+func (c *dbClearer) clearBlobs(bs *filesystem.BlobStorage) error {
+	if !c.shouldProceed() {
+		return nil
+	}
+
+	log.Warning("Removing blob storage")
+	if err := bs.Clear(); err != nil {
+		return errors.Wrap(err, "could not clear blob storage")
+	}
+
+	return nil
+}
+
+func (c *dbClearer) clearColumns(cs *filesystem.DataColumnStorage) error {
+	if !c.shouldProceed() {
+		return nil
+	}
+
+	log.Warning("Removing data columns storage")
+	if err := cs.Clear(); err != nil {
+		return errors.Wrap(err, "could not clear data columns storage")
+	}
+
+	return nil
+}
+
+func (c *dbClearer) clearSlasher(ctx context.Context, db *slasherkv.Store) (*slasherkv.Store, error) {
+	if !c.shouldProceed() {
+		return db, nil
+	}
+
+	log.Warning("Removing slasher database")
+	if err := db.ClearDB(); err != nil {
+		return nil, errors.Wrap(err, "could not clear slasher database")
+	}
+	return slasherkv.NewKVStore(ctx, db.DatabasePath())
+}
+
+func (c *dbClearer) shouldProceed() bool {
+	if !c.shouldClear {
+		return false
+	}
+	if c.force {
+		return true
+	}
+	if !c.confirmed {
+		confirmed, err := cmd.ConfirmAction(clearConfirmation, clearDeclined)
+		if err != nil {
+			log.WithError(err).Error("Not clearing db due to confirmation error")
+			return false
+		}
+		c.confirmed = confirmed
+	}
+	return c.confirmed
+}
+
+func newDbClearer(cliCtx *cli.Context) *dbClearer {
+	force := cliCtx.Bool(cmd.ForceClearDB.Name)
+	return &dbClearer{
+		shouldClear: cliCtx.Bool(cmd.ClearDB.Name) || force,
+		force:       force,
+	}
+}