try again

This reverts commit a12f6ae30a.

BUILD.bazel

@@ -115,18 +115,19 @@ nogo(
         "@org_golang_x_tools//go/analysis/passes/assign:go_default_library",
         "@org_golang_x_tools//go/analysis/passes/inspect:go_default_library",
         "@org_golang_x_tools//go/analysis/passes/asmdecl:go_default_library",
-        "//tools/analyzers/maligned:go_default_library",
+        "//tools/analyzers/comparesame:go_default_library",
         "//tools/analyzers/cryptorand:go_default_library",
         "//tools/analyzers/errcheck:go_default_library",
         "//tools/analyzers/featureconfig:go_default_library",
-        "//tools/analyzers/comparesame:go_default_library",
-        "//tools/analyzers/shadowpredecl:go_default_library",
-        "//tools/analyzers/nop:go_default_library",
-        "//tools/analyzers/slicedirect:go_default_library",
-        "//tools/analyzers/interfacechecker:go_default_library",
+        "//tools/analyzers/gocognit:go_default_library",
         "//tools/analyzers/ineffassign:go_default_library",
+        "//tools/analyzers/interfacechecker:go_default_library",
+        "//tools/analyzers/maligned:go_default_library",
+        "//tools/analyzers/nop:go_default_library",
         "//tools/analyzers/properpermissions:go_default_library",
         "//tools/analyzers/recursivelock:go_default_library",
+        "//tools/analyzers/shadowpredecl:go_default_library",
+        "//tools/analyzers/slicedirect:go_default_library",
         "//tools/analyzers/uintcast:go_default_library",
     ] + select({
         # nogo checks that fail with coverage enabled.

WORKSPACE

@@ -176,7 +176,7 @@ load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains", "go_rules_depe
 go_rules_dependencies()
 
 go_register_toolchains(
-    go_version = "1.17.6",
+    go_version = "1.17.9",
     nogo = "@//:nogo",
 )
 

beacon-chain/blockchain/BUILD.bazel

@@ -66,6 +66,7 @@ go_library(
         "//config/params:go_default_library",
         "//crypto/bls:go_default_library",
         "//encoding/bytesutil:go_default_library",
+        "//math:go_default_library",
         "//monitoring/tracing:go_default_library",
         "//proto/engine/v1:go_default_library",
         "//proto/eth/v1:go_default_library",

beacon-chain/blockchain/chain_info.go

@@ -273,13 +273,13 @@ func (s *Service) CurrentFork() *ethpb.Fork {
 
 // IsCanonical returns true if the input block root is part of the canonical chain.
 func (s *Service) IsCanonical(ctx context.Context, blockRoot [32]byte) (bool, error) {
-	// If the block has been finalized, the block will always be part of the canonical chain.
-	if s.cfg.BeaconDB.IsFinalizedBlock(ctx, blockRoot) {
-		return true, nil
+	// If the block has not been finalized, check fork choice store to see if the block is canonical
+	if s.cfg.ForkChoiceStore.HasNode(blockRoot) {
+		return s.cfg.ForkChoiceStore.IsCanonical(blockRoot), nil
 	}
 
-	// If the block has not been finalized, check fork choice store to see if the block is canonical
-	return s.cfg.ForkChoiceStore.IsCanonical(blockRoot), nil
+	// If the block has been finalized, the block will always be part of the canonical chain.
+	return s.cfg.BeaconDB.IsFinalizedBlock(ctx, blockRoot), nil
 }
 
 // ChainHeads returns all possible chain heads (leaves of fork choice tree).

beacon-chain/blockchain/metrics.go

@@ -138,6 +138,26 @@ var (
 		Name: "state_balance_cache_miss",
 		Help: "Count the number of state balance cache hits.",
 	})
+	newPayloadValidNodeCount = promauto.NewCounter(prometheus.CounterOpts{
+		Name: "new_payload_valid_node_count",
+		Help: "Count the number of valid nodes after newPayload EE call",
+	})
+	newPayloadOptimisticNodeCount = promauto.NewCounter(prometheus.CounterOpts{
+		Name: "new_payload_optimistic_node_count",
+		Help: "Count the number of optimistic nodes after newPayload EE call",
+	})
+	newPayloadInvalidNodeCount = promauto.NewCounter(prometheus.CounterOpts{
+		Name: "new_payload_invalid_node_count",
+		Help: "Count the number of invalid nodes after newPayload EE call",
+	})
+	forkchoiceUpdatedValidNodeCount = promauto.NewCounter(prometheus.CounterOpts{
+		Name: "forkchoice_updated_valid_node_count",
+		Help: "Count the number of valid nodes after forkchoiceUpdated EE call",
+	})
+	forkchoiceUpdatedOptimisticNodeCount = promauto.NewCounter(prometheus.CounterOpts{
+		Name: "forkchoice_updated_optimistic_node_count",
+		Help: "Count the number of optimistic nodes after forkchoiceUpdated EE call",
+	})
 )
 
 // reportSlotMetrics reports slot related metrics.

beacon-chain/blockchain/optimistic_sync.go

@@ -83,16 +83,18 @@ func (s *Service) notifyForkchoiceUpdate(ctx context.Context, headState state.Be
 	if err != nil {
 		switch err {
 		case powchain.ErrAcceptedSyncingPayloadStatus:
+			forkchoiceUpdatedOptimisticNodeCount.Inc()
 			log.WithFields(logrus.Fields{
-				"headSlot":      headBlk.Slot(),
-				"headHash":      fmt.Sprintf("%#x", bytesutil.Trunc(headPayload.BlockHash)),
-				"finalizedHash": fmt.Sprintf("%#x", bytesutil.Trunc(finalizedHash)),
+				"headSlot":                  headBlk.Slot(),
+				"headPayloadBlockHash":      fmt.Sprintf("%#x", bytesutil.Trunc(headPayload.BlockHash)),
+				"finalizedPayloadBlockHash": fmt.Sprintf("%#x", bytesutil.Trunc(finalizedHash)),
 			}).Info("Called fork choice updated with optimistic block")
 			return payloadID, nil
 		default:
 			return nil, errors.Wrap(err, "could not notify forkchoice update from execution engine")
 		}
 	}
+	forkchoiceUpdatedValidNodeCount.Inc()
 	if err := s.cfg.ForkChoiceStore.SetOptimisticToValid(ctx, headRoot); err != nil {
 		return nil, errors.Wrap(err, "could not set block to valid")
 	}
@@ -135,12 +137,14 @@ func (s *Service) notifyNewPayload(ctx context.Context, preStateVersion, postSta
 	if err != nil {
 		switch err {
 		case powchain.ErrAcceptedSyncingPayloadStatus:
+			newPayloadOptimisticNodeCount.Inc()
 			log.WithFields(logrus.Fields{
-				"slot":      blk.Block().Slot(),
-				"blockHash": fmt.Sprintf("%#x", bytesutil.Trunc(payload.BlockHash)),
+				"slot":             blk.Block().Slot(),
+				"payloadBlockHash": fmt.Sprintf("%#x", bytesutil.Trunc(payload.BlockHash)),
 			}).Info("Called new payload with optimistic block")
 			return false, nil
 		case powchain.ErrInvalidPayloadStatus:
+			newPayloadInvalidNodeCount.Inc()
 			root, err := blk.Block().HashTreeRoot()
 			if err != nil {
 				return false, err
@@ -157,7 +161,7 @@ func (s *Service) notifyNewPayload(ctx context.Context, preStateVersion, postSta
 			return false, errors.Wrap(err, "could not validate execution payload from execution engine")
 		}
 	}
-
+	newPayloadValidNodeCount.Inc()
 	// During the transition event, the transition block should be verified for sanity.
 	if blocks.IsPreBellatrixVersion(preStateVersion) {
 		// Handle case where pre-state is Altair but block contains payload.

beacon-chain/blockchain/process_block.go

@@ -127,8 +127,8 @@ func (s *Service) onBlock(ctx context.Context, signed block.SignedBeaconBlock, b
 		}
 	}
 
-	if err := s.savePostStateInfo(ctx, blockRoot, signed, postState, false /* reg sync */); err != nil {
-		return err
+	if err := s.insertBlockAndAttestationsToForkChoiceStore(ctx, signed.Block(), blockRoot, postState); err != nil {
+		return errors.Wrapf(err, "could not insert block %d to fork choice store", signed.Block().Slot())
 	}
 	if isValidPayload {
 		if err := s.cfg.ForkChoiceStore.SetOptimisticToValid(ctx, blockRoot); err != nil {
@@ -148,6 +148,9 @@ func (s *Service) onBlock(ctx context.Context, signed block.SignedBeaconBlock, b
 		return err
 	}
 
+	if err := s.savePostStateInfo(ctx, blockRoot, signed, postState, false /* reg sync */); err != nil {
+		return err
+	}
 	// If slasher is configured, forward the attestations in the block via
 	// an event feed for processing.
 	if features.Get().EnableSlasher {
@@ -609,9 +612,6 @@ func (s *Service) savePostStateInfo(ctx context.Context, r [32]byte, b block.Sig
 	if err := s.cfg.StateGen.SaveState(ctx, r, st); err != nil {
 		return errors.Wrap(err, "could not save state")
 	}
-	if err := s.insertBlockAndAttestationsToForkChoiceStore(ctx, b.Block(), r, st); err != nil {
-		return errors.Wrapf(err, "could not insert block %d to fork choice store", b.Block().Slot())
-	}
 	return nil
 }
 

beacon-chain/blockchain/process_block_helpers.go

@@ -11,6 +11,7 @@ import (
 	"github.com/prysmaticlabs/prysm/beacon-chain/state"
 	"github.com/prysmaticlabs/prysm/config/params"
 	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
+	mathutil "github.com/prysmaticlabs/prysm/math"
 	"github.com/prysmaticlabs/prysm/monitoring/tracing"
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
 	"github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1/block"
@@ -402,10 +403,13 @@ func (s *Service) insertFinalizedDeposits(ctx context.Context, fRoot [32]byte) e
 	// We update the cache up to the last deposit index in the finalized block's state.
 	// We can be confident that these deposits will be included in some block
 	// because the Eth1 follow distance makes such long-range reorgs extremely unlikely.
-	eth1DepositIndex := int64(finalizedState.Eth1Data().DepositCount - 1)
-	s.cfg.DepositCache.InsertFinalizedDeposits(ctx, eth1DepositIndex)
+	eth1DepositIndex, err := mathutil.Int(finalizedState.Eth1DepositIndex())
+	if err != nil {
+		return errors.Wrap(err, "could not cast eth1 deposit index")
+	}
+	s.cfg.DepositCache.InsertFinalizedDeposits(ctx, int64(eth1DepositIndex))
 	// Deposit proofs are only used during state transition and can be safely removed to save space.
-	if err = s.cfg.DepositCache.PruneProofs(ctx, eth1DepositIndex); err != nil {
+	if err = s.cfg.DepositCache.PruneProofs(ctx, int64(eth1DepositIndex)); err != nil {
 		return errors.Wrap(err, "could not prune deposit proofs")
 	}
 	return nil

beacon-chain/blockchain/process_block_test.go

@@ -1516,6 +1516,7 @@ func TestInsertFinalizedDeposits(t *testing.T) {
 	service.store.SetFinalizedCheckpt(&ethpb.Checkpoint{Root: gRoot[:]})
 	gs = gs.Copy()
 	assert.NoError(t, gs.SetEth1Data(&ethpb.Eth1Data{DepositCount: 10}))
+	assert.NoError(t, gs.SetEth1DepositIndex(7))
 	assert.NoError(t, service.cfg.StateGen.SaveState(ctx, [32]byte{'m', 'o', 'c', 'k'}, gs))
 	zeroSig := [96]byte{}
 	for i := uint64(0); i < uint64(4*params.BeaconConfig().SlotsPerEpoch); i++ {
@@ -1529,8 +1530,64 @@ func TestInsertFinalizedDeposits(t *testing.T) {
 	}
 	assert.NoError(t, service.insertFinalizedDeposits(ctx, [32]byte{'m', 'o', 'c', 'k'}))
 	fDeposits := depositCache.FinalizedDeposits(ctx)
-	assert.Equal(t, 9, int(fDeposits.MerkleTrieIndex), "Finalized deposits not inserted correctly")
-	deps := depositCache.AllDeposits(ctx, big.NewInt(109))
+	assert.Equal(t, 7, int(fDeposits.MerkleTrieIndex), "Finalized deposits not inserted correctly")
+	deps := depositCache.AllDeposits(ctx, big.NewInt(107))
+	for _, d := range deps {
+		assert.DeepEqual(t, [][]byte(nil), d.Proof, "Proofs are not empty")
+	}
+}
+
+func TestInsertFinalizedDeposits_MultipleFinalizedRoutines(t *testing.T) {
+	ctx := context.Background()
+	opts := testServiceOptsWithDB(t)
+	depositCache, err := depositcache.New()
+	require.NoError(t, err)
+	opts = append(opts, WithDepositCache(depositCache))
+	service, err := NewService(ctx, opts...)
+	require.NoError(t, err)
+
+	gs, _ := util.DeterministicGenesisState(t, 32)
+	require.NoError(t, service.saveGenesisData(ctx, gs))
+	gBlk, err := service.cfg.BeaconDB.GenesisBlock(ctx)
+	require.NoError(t, err)
+	gRoot, err := gBlk.Block().HashTreeRoot()
+	require.NoError(t, err)
+	service.store.SetFinalizedCheckpt(&ethpb.Checkpoint{Root: gRoot[:]})
+	gs = gs.Copy()
+	assert.NoError(t, gs.SetEth1Data(&ethpb.Eth1Data{DepositCount: 7}))
+	assert.NoError(t, gs.SetEth1DepositIndex(5))
+	assert.NoError(t, service.cfg.StateGen.SaveState(ctx, [32]byte{'m', 'o', 'c', 'k'}, gs))
+	gs2 := gs.Copy()
+	assert.NoError(t, gs2.SetEth1Data(&ethpb.Eth1Data{DepositCount: 15}))
+	assert.NoError(t, gs2.SetEth1DepositIndex(12))
+	assert.NoError(t, service.cfg.StateGen.SaveState(ctx, [32]byte{'m', 'o', 'c', 'k', '2'}, gs2))
+	zeroSig := [96]byte{}
+	for i := uint64(0); i < uint64(4*params.BeaconConfig().SlotsPerEpoch); i++ {
+		root := []byte(strconv.Itoa(int(i)))
+		assert.NoError(t, depositCache.InsertDeposit(ctx, &ethpb.Deposit{Data: &ethpb.Deposit_Data{
+			PublicKey:             bytesutil.FromBytes48([fieldparams.BLSPubkeyLength]byte{}),
+			WithdrawalCredentials: params.BeaconConfig().ZeroHash[:],
+			Amount:                0,
+			Signature:             zeroSig[:],
+		}, Proof: [][]byte{root}}, 100+i, int64(i), bytesutil.ToBytes32(root)))
+	}
+	// Insert 3 deposits before hand.
+	depositCache.InsertFinalizedDeposits(ctx, 2)
+
+	assert.NoError(t, service.insertFinalizedDeposits(ctx, [32]byte{'m', 'o', 'c', 'k'}))
+	fDeposits := depositCache.FinalizedDeposits(ctx)
+	assert.Equal(t, 5, int(fDeposits.MerkleTrieIndex), "Finalized deposits not inserted correctly")
+
+	deps := depositCache.AllDeposits(ctx, big.NewInt(105))
+	for _, d := range deps {
+		assert.DeepEqual(t, [][]byte(nil), d.Proof, "Proofs are not empty")
+	}
+
+	// Insert New Finalized State with higher deposit count.
+	assert.NoError(t, service.insertFinalizedDeposits(ctx, [32]byte{'m', 'o', 'c', 'k', '2'}))
+	fDeposits = depositCache.FinalizedDeposits(ctx)
+	assert.Equal(t, 12, int(fDeposits.MerkleTrieIndex), "Finalized deposits not inserted correctly")
+	deps = depositCache.AllDeposits(ctx, big.NewInt(112))
 	for _, d := range deps {
 		assert.DeepEqual(t, [][]byte(nil), d.Proof, "Proofs are not empty")
 	}

beacon-chain/blockchain/receive_attestation.go

@@ -83,7 +83,8 @@ func (s *Service) VerifyLmdFfgConsistency(ctx context.Context, a *ethpb.Attestat
 func (s *Service) VerifyFinalizedConsistency(ctx context.Context, root []byte) error {
 	// A canonical root implies the root to has an ancestor that aligns with finalized check point.
 	// In this case, we could exit early to save on additional computation.
-	if s.cfg.ForkChoiceStore.IsCanonical(bytesutil.ToBytes32(root)) {
+	blockRoot := bytesutil.ToBytes32(root)
+	if s.cfg.ForkChoiceStore.HasNode(blockRoot) && s.cfg.ForkChoiceStore.IsCanonical(blockRoot) {
 		return nil
 	}
 

beacon-chain/cache/depositcache/deposits_cache.go

@@ -36,7 +36,7 @@ type DepositFetcher interface {
 	DepositByPubkey(ctx context.Context, pubKey []byte) (*ethpb.Deposit, *big.Int)
 	DepositsNumberAndRootAtHeight(ctx context.Context, blockHeight *big.Int) (uint64, [32]byte)
 	FinalizedDeposits(ctx context.Context) *FinalizedDeposits
-	NonFinalizedDeposits(ctx context.Context, untilBlk *big.Int) []*ethpb.Deposit
+	NonFinalizedDeposits(ctx context.Context, lastFinalizedIndex int64, untilBlk *big.Int) []*ethpb.Deposit
 }
 
 // FinalizedDeposits stores the trie of deposits that have been included
@@ -137,6 +137,22 @@ func (dc *DepositCache) InsertFinalizedDeposits(ctx context.Context, eth1Deposit
 
 	depositTrie := dc.finalizedDeposits.Deposits
 	insertIndex := int(dc.finalizedDeposits.MerkleTrieIndex + 1)
+
+	// Don't insert into finalized trie if there is no deposit to
+	// insert.
+	if len(dc.deposits) == 0 {
+		return
+	}
+	// In the event we have less deposits than we need to
+	// finalize we finalize till the index on which we do have it.
+	if len(dc.deposits) <= int(eth1DepositIndex) {
+		eth1DepositIndex = int64(len(dc.deposits)) - 1
+	}
+	// If we finalize to some lower deposit index, we
+	// ignore it.
+	if int(eth1DepositIndex) < insertIndex {
+		return
+	}
 	for _, d := range dc.deposits {
 		if d.Index <= dc.finalizedDeposits.MerkleTrieIndex {
 			continue
@@ -246,7 +262,7 @@ func (dc *DepositCache) FinalizedDeposits(ctx context.Context) *FinalizedDeposit
 
 // NonFinalizedDeposits returns the list of non-finalized deposits until the given block number (inclusive).
 // If no block is specified then this method returns all non-finalized deposits.
-func (dc *DepositCache) NonFinalizedDeposits(ctx context.Context, untilBlk *big.Int) []*ethpb.Deposit {
+func (dc *DepositCache) NonFinalizedDeposits(ctx context.Context, lastFinalizedIndex int64, untilBlk *big.Int) []*ethpb.Deposit {
 	ctx, span := trace.StartSpan(ctx, "DepositsCache.NonFinalizedDeposits")
 	defer span.End()
 	dc.depositsLock.RLock()
@@ -256,10 +272,9 @@ func (dc *DepositCache) NonFinalizedDeposits(ctx context.Context, untilBlk *big.
 		return dc.allDeposits(untilBlk)
 	}
 
-	lastFinalizedDepositIndex := dc.finalizedDeposits.MerkleTrieIndex
 	var deposits []*ethpb.Deposit
 	for _, d := range dc.deposits {
-		if (d.Index > lastFinalizedDepositIndex) && (untilBlk == nil || untilBlk.Uint64() >= d.Eth1BlockHeight) {
+		if (d.Index > lastFinalizedIndex) && (untilBlk == nil || untilBlk.Uint64() >= d.Eth1BlockHeight) {
 			deposits = append(deposits, d.Deposit)
 		}
 	}

beacon-chain/cache/depositcache/deposits_cache_test.go

@@ -459,7 +459,7 @@ func TestFinalizedDeposits_UtilizesPreviouslyCachedDeposits(t *testing.T) {
 			Index: 1,
 		},
 	}
-	newFinalizedDeposit := ethpb.DepositContainer{
+	newFinalizedDeposit := &ethpb.DepositContainer{
 		Deposit: &ethpb.Deposit{
 			Data: &ethpb.Deposit_Data{
 				PublicKey:             bytesutil.PadTo([]byte{2}, 48),
@@ -471,17 +471,17 @@ func TestFinalizedDeposits_UtilizesPreviouslyCachedDeposits(t *testing.T) {
 	}
 	dc.deposits = oldFinalizedDeposits
 	dc.InsertFinalizedDeposits(context.Background(), 1)
-	// Artificially exclude old deposits so that they can only be retrieved from previously finalized deposits.
-	dc.deposits = []*ethpb.DepositContainer{&newFinalizedDeposit}
 
 	dc.InsertFinalizedDeposits(context.Background(), 2)
 
+	dc.deposits = append(dc.deposits, []*ethpb.DepositContainer{newFinalizedDeposit}...)
+
 	cachedDeposits := dc.FinalizedDeposits(context.Background())
 	require.NotNil(t, cachedDeposits, "Deposits not cached")
-	assert.Equal(t, int64(2), cachedDeposits.MerkleTrieIndex)
+	assert.Equal(t, int64(1), cachedDeposits.MerkleTrieIndex)
 
 	var deps [][]byte
-	for _, d := range append(oldFinalizedDeposits, &newFinalizedDeposit) {
+	for _, d := range oldFinalizedDeposits {
 		hash, err := d.Deposit.Data.HashTreeRoot()
 		require.NoError(t, err, "Could not hash deposit data")
 		deps = append(deps, hash[:])
@@ -491,6 +491,140 @@ func TestFinalizedDeposits_UtilizesPreviouslyCachedDeposits(t *testing.T) {
 	assert.Equal(t, trie.HashTreeRoot(), cachedDeposits.Deposits.HashTreeRoot())
 }
 
+func TestFinalizedDeposits_HandleZeroDeposits(t *testing.T) {
+	dc, err := New()
+	require.NoError(t, err)
+
+	dc.InsertFinalizedDeposits(context.Background(), 2)
+
+	cachedDeposits := dc.FinalizedDeposits(context.Background())
+	require.NotNil(t, cachedDeposits, "Deposits not cached")
+	assert.Equal(t, int64(-1), cachedDeposits.MerkleTrieIndex)
+}
+
+func TestFinalizedDeposits_HandleSmallerThanExpectedDeposits(t *testing.T) {
+	dc, err := New()
+	require.NoError(t, err)
+
+	finalizedDeposits := []*ethpb.DepositContainer{
+		{
+			Deposit: &ethpb.Deposit{
+				Data: &ethpb.Deposit_Data{
+					PublicKey:             bytesutil.PadTo([]byte{0}, 48),
+					WithdrawalCredentials: make([]byte, 32),
+					Signature:             make([]byte, 96),
+				},
+			},
+			Index: 0,
+		},
+		{
+			Deposit: &ethpb.Deposit{
+				Data: &ethpb.Deposit_Data{
+					PublicKey:             bytesutil.PadTo([]byte{1}, 48),
+					WithdrawalCredentials: make([]byte, 32),
+					Signature:             make([]byte, 96),
+				},
+			},
+			Index: 1,
+		},
+		{
+			Deposit: &ethpb.Deposit{
+				Data: &ethpb.Deposit_Data{
+					PublicKey:             bytesutil.PadTo([]byte{2}, 48),
+					WithdrawalCredentials: make([]byte, 32),
+					Signature:             make([]byte, 96),
+				},
+			},
+			Index: 2,
+		},
+	}
+	dc.deposits = finalizedDeposits
+
+	dc.InsertFinalizedDeposits(context.Background(), 5)
+
+	cachedDeposits := dc.FinalizedDeposits(context.Background())
+	require.NotNil(t, cachedDeposits, "Deposits not cached")
+	assert.Equal(t, int64(2), cachedDeposits.MerkleTrieIndex)
+}
+
+func TestFinalizedDeposits_HandleLowerEth1DepositIndex(t *testing.T) {
+	dc, err := New()
+	require.NoError(t, err)
+
+	finalizedDeposits := []*ethpb.DepositContainer{
+		{
+			Deposit: &ethpb.Deposit{
+				Data: &ethpb.Deposit_Data{
+					PublicKey:             bytesutil.PadTo([]byte{0}, 48),
+					WithdrawalCredentials: make([]byte, 32),
+					Signature:             make([]byte, 96),
+				},
+			},
+			Index: 0,
+		},
+		{
+			Deposit: &ethpb.Deposit{
+				Data: &ethpb.Deposit_Data{
+					PublicKey:             bytesutil.PadTo([]byte{1}, 48),
+					WithdrawalCredentials: make([]byte, 32),
+					Signature:             make([]byte, 96),
+				},
+			},
+			Index: 1,
+		},
+		{
+			Deposit: &ethpb.Deposit{
+				Data: &ethpb.Deposit_Data{
+					PublicKey:             bytesutil.PadTo([]byte{2}, 48),
+					WithdrawalCredentials: make([]byte, 32),
+					Signature:             make([]byte, 96),
+				},
+			},
+			Index: 2,
+		},
+		{
+			Deposit: &ethpb.Deposit{
+				Data: &ethpb.Deposit_Data{
+					PublicKey:             bytesutil.PadTo([]byte{3}, 48),
+					WithdrawalCredentials: make([]byte, 32),
+					Signature:             make([]byte, 96),
+				},
+			},
+			Index: 3,
+		},
+		{
+			Deposit: &ethpb.Deposit{
+				Data: &ethpb.Deposit_Data{
+					PublicKey:             bytesutil.PadTo([]byte{4}, 48),
+					WithdrawalCredentials: make([]byte, 32),
+					Signature:             make([]byte, 96),
+				},
+			},
+			Index: 4,
+		},
+		{
+			Deposit: &ethpb.Deposit{
+				Data: &ethpb.Deposit_Data{
+					PublicKey:             bytesutil.PadTo([]byte{5}, 48),
+					WithdrawalCredentials: make([]byte, 32),
+					Signature:             make([]byte, 96),
+				},
+			},
+			Index: 5,
+		},
+	}
+	dc.deposits = finalizedDeposits
+
+	dc.InsertFinalizedDeposits(context.Background(), 5)
+
+	// Reinsert finalized deposits with a lower index.
+	dc.InsertFinalizedDeposits(context.Background(), 2)
+
+	cachedDeposits := dc.FinalizedDeposits(context.Background())
+	require.NotNil(t, cachedDeposits, "Deposits not cached")
+	assert.Equal(t, int64(5), cachedDeposits.MerkleTrieIndex)
+}
+
 func TestFinalizedDeposits_InitializedCorrectly(t *testing.T) {
 	dc, err := New()
 	require.NoError(t, err)
@@ -554,7 +688,7 @@ func TestNonFinalizedDeposits_ReturnsAllNonFinalizedDeposits(t *testing.T) {
 		})
 	dc.InsertFinalizedDeposits(context.Background(), 1)
 
-	deps := dc.NonFinalizedDeposits(context.Background(), nil)
+	deps := dc.NonFinalizedDeposits(context.Background(), 1, nil)
 	assert.Equal(t, 2, len(deps))
 }
 
@@ -611,7 +745,7 @@ func TestNonFinalizedDeposits_ReturnsNonFinalizedDepositsUpToBlockNumber(t *test
 		})
 	dc.InsertFinalizedDeposits(context.Background(), 1)
 
-	deps := dc.NonFinalizedDeposits(context.Background(), big.NewInt(10))
+	deps := dc.NonFinalizedDeposits(context.Background(), 1, big.NewInt(10))
 	assert.Equal(t, 1, len(deps))
 }
 

beacon-chain/deterministic-genesis/service.go

@@ -155,7 +155,7 @@ func (_ *Service) FinalizedDeposits(_ context.Context) *depositcache.FinalizedDe
 }
 
 // NonFinalizedDeposits mocks out the deposit cache functionality for interop.
-func (_ *Service) NonFinalizedDeposits(_ context.Context, _ *big.Int) []*ethpb.Deposit {
+func (_ *Service) NonFinalizedDeposits(_ context.Context, _ int64, _ *big.Int) []*ethpb.Deposit {
 	return []*ethpb.Deposit{}
 }
 

beacon-chain/forkchoice/doubly-linked-tree/metrics.go

@@ -51,10 +51,4 @@ var (
 			Help: "The number of times pruning happened.",
 		},
 	)
-	validatedCount = promauto.NewGauge(
-		prometheus.GaugeOpts{
-			Name: "doublylinkedtree_validated_count",
-			Help: "The number of blocks that have been fully validated.",
-		},
-	)
 )

beacon-chain/forkchoice/doubly-linked-tree/node.go

@@ -120,7 +120,6 @@ func (n *Node) setNodeAndParentValidated(ctx context.Context) error {
 	}
 
 	n.optimistic = false
-	validatedCount.Inc()
 	return n.parent.setNodeAndParentValidated(ctx)
 }
 

beacon-chain/forkchoice/protoarray/metrics.go

@@ -51,10 +51,4 @@ var (
 			Help: "The number of times pruning happened.",
 		},
 	)
-	validatedNodesCount = promauto.NewCounter(
-		prometheus.CounterOpts{
-			Name: "proto_array_validated_nodes_count",
-			Help: "The number of nodes that have been fully validated.",
-		},
-	)
 )

beacon-chain/forkchoice/protoarray/optimistic_sync.go

@@ -43,7 +43,6 @@ func (f *ForkChoice) SetOptimisticToValid(ctx context.Context, root [32]byte) er
 		if index == NonExistentNode {
 			break
 		}
-		validatedNodesCount.Inc()
 	}
 	return nil
 }

beacon-chain/forkchoice/protoarray/store.go

@@ -614,16 +614,22 @@ func (s *Store) prune(ctx context.Context, finalizedRoot [32]byte) error {
 		node := copyNode(s.nodes[idx])
 		parentIdx, ok := canonicalNodesMap[node.parent]
 		if ok {
-			s.nodesIndices[node.root] = uint64(len(canonicalNodes))
-			canonicalNodesMap[idx] = uint64(len(canonicalNodes))
+			currentIndex := uint64(len(canonicalNodes))
+			s.nodesIndices[node.root] = currentIndex
+			s.payloadIndices[node.payloadHash] = currentIndex
+			canonicalNodesMap[idx] = currentIndex
 			node.parent = parentIdx
 			canonicalNodes = append(canonicalNodes, node)
 		} else {
-			// Remove node and synced tip that is not part of finalized branch.
+			// Remove node that is not part of finalized branch.
 			delete(s.nodesIndices, node.root)
+			delete(s.canonicalNodes, node.root)
+			delete(s.payloadIndices, node.payloadHash)
 		}
 	}
 	s.nodesIndices[finalizedRoot] = uint64(0)
+	s.canonicalNodes[finalizedRoot] = true
+	s.payloadIndices[finalizedNode.payloadHash] = uint64(0)
 
 	// Recompute the best child and descendant for each canonical nodes.
 	for _, node := range canonicalNodes {

beacon-chain/forkchoice/protoarray/store_test.go

@@ -375,7 +375,7 @@ func TestStore_Prune_MoreThanThreshold(t *testing.T) {
 		parent:         uint64(numOfNodes - 2),
 	})
 	indices[indexToHash(uint64(numOfNodes-1))] = uint64(numOfNodes - 1)
-	s := &Store{nodes: nodes, nodesIndices: indices}
+	s := &Store{nodes: nodes, nodesIndices: indices, canonicalNodes: map[[32]byte]bool{}, payloadIndices: map[[32]byte]uint64{}}
 
 	// Finalized root is at index 99 so everything before 99 should be pruned.
 	require.NoError(t, s.prune(context.Background(), indexToHash(99)))
@@ -413,7 +413,7 @@ func TestStore_Prune_MoreThanOnce(t *testing.T) {
 		parent:         uint64(numOfNodes - 2),
 	})
 
-	s := &Store{nodes: nodes, nodesIndices: indices}
+	s := &Store{nodes: nodes, nodesIndices: indices, canonicalNodes: map[[32]byte]bool{}, payloadIndices: map[[32]byte]uint64{}}
 
 	// Finalized root is at index 11 so everything before 11 should be pruned.
 	require.NoError(t, s.prune(context.Background(), indexToHash(10)))
@@ -441,6 +441,7 @@ func TestStore_Prune_NoDanglingBranch(t *testing.T) {
 			bestDescendant: 1,
 			root:           indexToHash(uint64(0)),
 			parent:         NonExistentNode,
+			payloadHash:    [32]byte{'A'},
 		},
 		{
 			slot:           101,
@@ -448,6 +449,7 @@ func TestStore_Prune_NoDanglingBranch(t *testing.T) {
 			bestChild:      NonExistentNode,
 			bestDescendant: NonExistentNode,
 			parent:         0,
+			payloadHash:    [32]byte{'B'},
 		},
 		{
 			slot:           101,
@@ -455,6 +457,7 @@ func TestStore_Prune_NoDanglingBranch(t *testing.T) {
 			parent:         0,
 			bestChild:      NonExistentNode,
 			bestDescendant: NonExistentNode,
+			payloadHash:    [32]byte{'C'},
 		},
 	}
 	s := &Store{
@@ -465,9 +468,22 @@ func TestStore_Prune_NoDanglingBranch(t *testing.T) {
 			indexToHash(uint64(1)): 1,
 			indexToHash(uint64(2)): 2,
 		},
+		canonicalNodes: map[[32]byte]bool{
+			indexToHash(uint64(0)): true,
+			indexToHash(uint64(1)): true,
+			indexToHash(uint64(2)): true,
+		},
+		payloadIndices: map[[32]byte]uint64{
+			[32]byte{'A'}: 0,
+			[32]byte{'B'}: 1,
+			[32]byte{'C'}: 2,
+		},
 	}
 	require.NoError(t, s.prune(context.Background(), indexToHash(uint64(1))))
-	require.Equal(t, len(s.nodes), 1)
+	require.Equal(t, 1, len(s.nodes))
+	require.Equal(t, 1, len(s.nodesIndices))
+	require.Equal(t, 1, len(s.canonicalNodes))
+	require.Equal(t, 1, len(s.payloadIndices))
 }
 
 // This test starts with the following branching diagram
@@ -482,25 +498,74 @@ func TestStore_Prune_NoDanglingBranch(t *testing.T) {
 //         J        -- K -- L
 //
 //
-func TestStore_PruneSyncedTips(t *testing.T) {
+func TestStore_PruneBranched(t *testing.T) {
 	ctx := context.Background()
-	f := setup(1, 1)
 
-	require.NoError(t, f.InsertOptimisticBlock(ctx, 100, [32]byte{'a'}, params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 1, 1))
-	require.NoError(t, f.InsertOptimisticBlock(ctx, 101, [32]byte{'b'}, [32]byte{'a'}, params.BeaconConfig().ZeroHash, 1, 1))
-	require.NoError(t, f.InsertOptimisticBlock(ctx, 102, [32]byte{'c'}, [32]byte{'b'}, params.BeaconConfig().ZeroHash, 1, 1))
-	require.NoError(t, f.InsertOptimisticBlock(ctx, 102, [32]byte{'j'}, [32]byte{'b'}, params.BeaconConfig().ZeroHash, 1, 1))
-	require.NoError(t, f.InsertOptimisticBlock(ctx, 103, [32]byte{'d'}, [32]byte{'c'}, params.BeaconConfig().ZeroHash, 1, 1))
-	require.NoError(t, f.InsertOptimisticBlock(ctx, 104, [32]byte{'e'}, [32]byte{'d'}, params.BeaconConfig().ZeroHash, 1, 1))
-	require.NoError(t, f.InsertOptimisticBlock(ctx, 104, [32]byte{'g'}, [32]byte{'d'}, params.BeaconConfig().ZeroHash, 1, 1))
-	require.NoError(t, f.InsertOptimisticBlock(ctx, 105, [32]byte{'f'}, [32]byte{'e'}, params.BeaconConfig().ZeroHash, 1, 1))
-	require.NoError(t, f.InsertOptimisticBlock(ctx, 105, [32]byte{'h'}, [32]byte{'g'}, params.BeaconConfig().ZeroHash, 1, 1))
-	require.NoError(t, f.InsertOptimisticBlock(ctx, 105, [32]byte{'k'}, [32]byte{'g'}, params.BeaconConfig().ZeroHash, 1, 1))
-	require.NoError(t, f.InsertOptimisticBlock(ctx, 106, [32]byte{'i'}, [32]byte{'h'}, params.BeaconConfig().ZeroHash, 1, 1))
-	require.NoError(t, f.InsertOptimisticBlock(ctx, 106, [32]byte{'l'}, [32]byte{'k'}, params.BeaconConfig().ZeroHash, 1, 1))
-	f.store.pruneThreshold = 0
-	require.NoError(t, f.Prune(ctx, [32]byte{'f'}))
-	require.Equal(t, 1, f.NodeCount())
+	tests := []struct {
+		finalizedRoot      [32]byte
+		wantedCanonical    [32]byte
+		wantedNonCanonical [32]byte
+		canonicalCount     int
+		payloadHash        [32]byte
+		payloadIndex       uint64
+		nonExistentPayload [32]byte
+	}{
+		{
+			[32]byte{'f'},
+			[32]byte{'f'},
+			[32]byte{'a'},
+			1,
+			[32]byte{'F'},
+			0,
+			[32]byte{'H'},
+		},
+		{
+			[32]byte{'d'},
+			[32]byte{'e'},
+			[32]byte{'i'},
+			3,
+			[32]byte{'E'},
+			1,
+			[32]byte{'C'},
+		},
+		{
+			[32]byte{'b'},
+			[32]byte{'f'},
+			[32]byte{'h'},
+			5,
+			[32]byte{'D'},
+			3,
+			[32]byte{'A'},
+		},
+	}
+
+	for _, tc := range tests {
+		f := setup(1, 1)
+		require.NoError(t, f.InsertOptimisticBlock(ctx, 100, [32]byte{'a'}, params.BeaconConfig().ZeroHash, [32]byte{'A'}, 1, 1))
+		require.NoError(t, f.InsertOptimisticBlock(ctx, 101, [32]byte{'b'}, [32]byte{'a'}, [32]byte{'B'}, 1, 1))
+		require.NoError(t, f.InsertOptimisticBlock(ctx, 102, [32]byte{'c'}, [32]byte{'b'}, [32]byte{'C'}, 1, 1))
+		require.NoError(t, f.InsertOptimisticBlock(ctx, 102, [32]byte{'j'}, [32]byte{'b'}, [32]byte{'J'}, 1, 1))
+		require.NoError(t, f.InsertOptimisticBlock(ctx, 103, [32]byte{'d'}, [32]byte{'c'}, [32]byte{'D'}, 1, 1))
+		require.NoError(t, f.InsertOptimisticBlock(ctx, 104, [32]byte{'e'}, [32]byte{'d'}, [32]byte{'E'}, 1, 1))
+		require.NoError(t, f.InsertOptimisticBlock(ctx, 104, [32]byte{'g'}, [32]byte{'d'}, [32]byte{'G'}, 1, 1))
+		require.NoError(t, f.InsertOptimisticBlock(ctx, 105, [32]byte{'f'}, [32]byte{'e'}, [32]byte{'F'}, 1, 1))
+		require.NoError(t, f.InsertOptimisticBlock(ctx, 105, [32]byte{'h'}, [32]byte{'g'}, [32]byte{'H'}, 1, 1))
+		require.NoError(t, f.InsertOptimisticBlock(ctx, 105, [32]byte{'k'}, [32]byte{'g'}, [32]byte{'K'}, 1, 1))
+		require.NoError(t, f.InsertOptimisticBlock(ctx, 106, [32]byte{'i'}, [32]byte{'h'}, [32]byte{'I'}, 1, 1))
+		require.NoError(t, f.InsertOptimisticBlock(ctx, 106, [32]byte{'l'}, [32]byte{'k'}, [32]byte{'L'}, 1, 1))
+		f.store.pruneThreshold = 0
+		require.NoError(t, f.store.updateCanonicalNodes(ctx, [32]byte{'f'}))
+		require.Equal(t, true, f.IsCanonical([32]byte{'a'}))
+		require.Equal(t, true, f.IsCanonical([32]byte{'f'}))
+
+		require.NoError(t, f.Prune(ctx, tc.finalizedRoot))
+		require.Equal(t, tc.canonicalCount, len(f.store.canonicalNodes))
+		require.Equal(t, true, f.IsCanonical(tc.wantedCanonical))
+		require.Equal(t, false, f.IsCanonical(tc.wantedNonCanonical))
+		require.Equal(t, tc.payloadIndex, f.store.payloadIndices[tc.payloadHash])
+		_, ok := f.store.payloadIndices[tc.nonExistentPayload]
+		require.Equal(t, false, ok)
+	}
 }
 
 func TestStore_LeadsToViableHead(t *testing.T) {

beacon-chain/powchain/BUILD.bazel

@@ -3,7 +3,6 @@ load("@prysm//tools/go:def.bzl", "go_library", "go_test")
 go_library(
     name = "go_default_library",
     srcs = [
-        "auth.go",
         "block_cache.go",
         "block_reader.go",
         "check_transition_config.go",
@@ -16,6 +15,7 @@ go_library(
         "options.go",
         "prometheus.go",
         "provider.go",
+        "rpc_connection.go",
         "service.go",
     ],
     importpath = "github.com/prysmaticlabs/prysm/beacon-chain/powchain",
@@ -59,7 +59,6 @@ go_library(
         "@com_github_ethereum_go_ethereum//core/types:go_default_library",
         "@com_github_ethereum_go_ethereum//ethclient:go_default_library",
         "@com_github_ethereum_go_ethereum//rpc:go_default_library",
-        "@com_github_golang_jwt_jwt_v4//:go_default_library",
         "@com_github_holiman_uint256//:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
         "@com_github_prometheus_client_golang//prometheus:go_default_library",
@@ -74,7 +73,6 @@ go_test(
     name = "go_default_test",
     size = "medium",
     srcs = [
-        "auth_test.go",
         "block_cache_test.go",
         "block_reader_test.go",
         "check_transition_config_test.go",
@@ -125,7 +123,6 @@ go_test(
         "@com_github_ethereum_go_ethereum//core/types:go_default_library",
         "@com_github_ethereum_go_ethereum//rpc:go_default_library",
         "@com_github_ethereum_go_ethereum//trie:go_default_library",
-        "@com_github_golang_jwt_jwt_v4//:go_default_library",
         "@com_github_holiman_uint256//:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
         "@com_github_prometheus_client_golang//prometheus:go_default_library",

beacon-chain/powchain/check_transition_config.go

@@ -13,6 +13,7 @@ import (
 	"github.com/prysmaticlabs/prysm/beacon-chain/core/feed"
 	statefeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/state"
 	"github.com/prysmaticlabs/prysm/config/params"
+	"github.com/prysmaticlabs/prysm/network"
 	pb "github.com/prysmaticlabs/prysm/proto/engine/v1"
 	"github.com/sirupsen/logrus"
 )
@@ -81,7 +82,7 @@ func (s *Service) checkTransitionConfiguration(
 				return
 			}
 		case tm := <-ticker.C:
-			ctx, cancel := context.WithDeadline(ctx, tm.Add(DefaultRPCHTTPTimeout))
+			ctx, cancel := context.WithDeadline(ctx, tm.Add(network.DefaultRPCHTTPTimeout))
 			err = s.ExchangeTransitionConfiguration(ctx, cfg)
 			s.handleExchangeConfigurationError(err)
 			if !hasTtdReached {
@@ -119,11 +120,16 @@ func (s *Service) handleExchangeConfigurationError(err error) {
 // Logs the terminal total difficulty status.
 func (s *Service) logTtdStatus(ctx context.Context, ttd *uint256.Int) (bool, error) {
 	latest, err := s.LatestExecutionBlock(ctx)
-	if err != nil {
+	switch {
+	case errors.Is(err, hexutil.ErrEmptyString):
+		return false, nil
+	case err != nil:
 		return false, err
-	}
-	if latest == nil {
+	case latest == nil:
 		return false, errors.New("latest block is nil")
+	case latest.TotalDifficulty == "":
+		return false, nil
+	default:
 	}
 	latestTtd, err := hexutil.DecodeBig(latest.TotalDifficulty)
 	if err != nil {

beacon-chain/powchain/check_transition_config_test.go

@@ -190,6 +190,38 @@ func TestService_logTtdStatus(t *testing.T) {
 	require.Equal(t, false, reached)
 }
 
+func TestService_logTtdStatus_NotSyncedClient(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		defer func() {
+			require.NoError(t, r.Body.Close())
+		}()
+
+		resp := (*pb.ExecutionBlock)(nil) // Nil response when a client is not synced
+		respJSON := map[string]interface{}{
+			"jsonrpc": "2.0",
+			"id":      1,
+			"result":  resp,
+		}
+		require.NoError(t, json.NewEncoder(w).Encode(respJSON))
+	}))
+	defer srv.Close()
+
+	rpcClient, err := rpc.DialHTTP(srv.URL)
+	require.NoError(t, err)
+	defer rpcClient.Close()
+
+	service := &Service{
+		cfg: &config{},
+	}
+	service.rpcClient = rpcClient
+
+	ttd := new(uint256.Int)
+	reached, err := service.logTtdStatus(context.Background(), ttd.SetUint64(24343))
+	require.NoError(t, err)
+	require.Equal(t, false, reached)
+}
+
 func emptyPayload() *pb.ExecutionPayload {
 	return &pb.ExecutionPayload{
 		ParentHash:    make([]byte, fieldparams.RootLength),

beacon-chain/powchain/engine_client.go

@@ -10,9 +10,12 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/holiman/uint256"
 	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/config/params"
+	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
 	pb "github.com/prysmaticlabs/prysm/proto/engine/v1"
+	"github.com/sirupsen/logrus"
 	"go.opencensus.io/trace"
 )
 
@@ -49,8 +52,8 @@ type EngineCaller interface {
 	ExchangeTransitionConfiguration(
 		ctx context.Context, cfg *pb.TransitionConfiguration,
 	) error
-	LatestExecutionBlock(ctx context.Context) (*pb.ExecutionBlock, error)
 	ExecutionBlockByHash(ctx context.Context, hash common.Hash) (*pb.ExecutionBlock, error)
+	GetTerminalBlockHash(ctx context.Context) ([]byte, bool, error)
 }
 
 // NewPayload calls the engine_newPayloadV1 method via JSON-RPC.
@@ -174,6 +177,78 @@ func (s *Service) ExchangeTransitionConfiguration(
 	return nil
 }
 
+// GetTerminalBlockHash returns the valid terminal block hash based on total difficulty.
+//
+// Spec code:
+// def get_pow_block_at_terminal_total_difficulty(pow_chain: Dict[Hash32, PowBlock]) -> Optional[PowBlock]:
+//    # `pow_chain` abstractly represents all blocks in the PoW chain
+//    for block in pow_chain:
+//        parent = pow_chain[block.parent_hash]
+//        block_reached_ttd = block.total_difficulty >= TERMINAL_TOTAL_DIFFICULTY
+//        parent_reached_ttd = parent.total_difficulty >= TERMINAL_TOTAL_DIFFICULTY
+//        if block_reached_ttd and not parent_reached_ttd:
+//            return block
+//
+//    return None
+func (s *Service) GetTerminalBlockHash(ctx context.Context) ([]byte, bool, error) {
+	ttd := new(big.Int)
+	ttd.SetString(params.BeaconConfig().TerminalTotalDifficulty, 10)
+	terminalTotalDifficulty, overflows := uint256.FromBig(ttd)
+	if overflows {
+		return nil, false, errors.New("could not convert terminal total difficulty to uint256")
+	}
+	blk, err := s.LatestExecutionBlock(ctx)
+	if err != nil {
+		return nil, false, errors.Wrap(err, "could not get latest execution block")
+	}
+	if blk == nil {
+		return nil, false, errors.New("latest execution block is nil")
+	}
+
+	for {
+		if ctx.Err() != nil {
+			return nil, false, ctx.Err()
+		}
+		currentTotalDifficulty, err := tDStringToUint256(blk.TotalDifficulty)
+		if err != nil {
+			return nil, false, errors.Wrap(err, "could not convert total difficulty to uint256")
+		}
+		blockReachedTTD := currentTotalDifficulty.Cmp(terminalTotalDifficulty) >= 0
+
+		parentHash := bytesutil.ToBytes32(blk.ParentHash)
+		if len(blk.ParentHash) == 0 || parentHash == params.BeaconConfig().ZeroHash {
+			return nil, false, nil
+		}
+		parentBlk, err := s.ExecutionBlockByHash(ctx, parentHash)
+		if err != nil {
+			return nil, false, errors.Wrap(err, "could not get parent execution block")
+		}
+		if parentBlk == nil {
+			return nil, false, errors.New("parent execution block is nil")
+		}
+		if blockReachedTTD {
+			parentTotalDifficulty, err := tDStringToUint256(parentBlk.TotalDifficulty)
+			if err != nil {
+				return nil, false, errors.Wrap(err, "could not convert total difficulty to uint256")
+			}
+			parentReachedTTD := parentTotalDifficulty.Cmp(terminalTotalDifficulty) >= 0
+			if !parentReachedTTD {
+				log.WithFields(logrus.Fields{
+					"number":   blk.Number,
+					"hash":     fmt.Sprintf("%#x", bytesutil.Trunc(blk.Hash)),
+					"td":       blk.TotalDifficulty,
+					"parentTd": parentBlk.TotalDifficulty,
+					"ttd":      terminalTotalDifficulty,
+				}).Info("Retrieved terminal block hash")
+				return blk.Hash, true, nil
+			}
+		} else {
+			return nil, false, nil
+		}
+		blk = parentBlk
+	}
+}
+
 // LatestExecutionBlock fetches the latest execution engine block by calling
 // eth_blockByNumber via JSON-RPC.
 func (s *Service) LatestExecutionBlock(ctx context.Context) (*pb.ExecutionBlock, error) {
@@ -251,3 +326,15 @@ func isTimeout(e error) bool {
 	t, ok := e.(httpTimeoutError)
 	return ok && t.Timeout()
 }
+
+func tDStringToUint256(td string) (*uint256.Int, error) {
+	b, err := hexutil.DecodeBig(td)
+	if err != nil {
+		return nil, err
+	}
+	i, overflows := uint256.FromBig(b)
+	if overflows {
+		return nil, errors.New("total difficulty overflowed")
+	}
+	return i, nil
+}

beacon-chain/powchain/engine_client_test.go

@@ -418,6 +418,155 @@ func TestClient_HTTP(t *testing.T) {
 	})
 }
 
+func TestServer_getPowBlockHashAtTerminalTotalDifficulty(t *testing.T) {
+	tests := []struct {
+		name                  string
+		paramsTd              string
+		currentPowBlock       *pb.ExecutionBlock
+		parentPowBlock        *pb.ExecutionBlock
+		errLatestExecutionBlk error
+		wantTerminalBlockHash []byte
+		wantExists            bool
+		errString             string
+	}{
+		{
+			name:      "config td overflows",
+			paramsTd:  "1115792089237316195423570985008687907853269984665640564039457584007913129638912",
+			errString: "could not convert terminal total difficulty to uint256",
+		},
+		{
+			name:                  "could not get latest execution block",
+			paramsTd:              "1",
+			errLatestExecutionBlk: errors.New("blah"),
+			errString:             "could not get latest execution block",
+		},
+		{
+			name:      "nil latest execution block",
+			paramsTd:  "1",
+			errString: "latest execution block is nil",
+		},
+		{
+			name:     "current execution block invalid TD",
+			paramsTd: "1",
+			currentPowBlock: &pb.ExecutionBlock{
+				Hash:            []byte{'a'},
+				TotalDifficulty: "1115792089237316195423570985008687907853269984665640564039457584007913129638912",
+			},
+			errString: "could not convert total difficulty to uint256",
+		},
+		{
+			name:     "current execution block has zero hash parent",
+			paramsTd: "2",
+			currentPowBlock: &pb.ExecutionBlock{
+				Hash:            []byte{'a'},
+				ParentHash:      params.BeaconConfig().ZeroHash[:],
+				TotalDifficulty: "0x3",
+			},
+		},
+		{
+			name:     "could not get parent block",
+			paramsTd: "2",
+			currentPowBlock: &pb.ExecutionBlock{
+				Hash:            []byte{'a'},
+				ParentHash:      []byte{'b'},
+				TotalDifficulty: "0x3",
+			},
+			errString: "could not get parent execution block",
+		},
+		{
+			name:     "parent execution block invalid TD",
+			paramsTd: "2",
+			currentPowBlock: &pb.ExecutionBlock{
+				Hash:            []byte{'a'},
+				ParentHash:      []byte{'b'},
+				TotalDifficulty: "0x3",
+			},
+			parentPowBlock: &pb.ExecutionBlock{
+				Hash:            []byte{'b'},
+				ParentHash:      []byte{'c'},
+				TotalDifficulty: "1",
+			},
+			errString: "could not convert total difficulty to uint256",
+		},
+		{
+			name:     "happy case",
+			paramsTd: "2",
+			currentPowBlock: &pb.ExecutionBlock{
+				Hash:            []byte{'a'},
+				ParentHash:      []byte{'b'},
+				TotalDifficulty: "0x3",
+			},
+			parentPowBlock: &pb.ExecutionBlock{
+				Hash:            []byte{'b'},
+				ParentHash:      []byte{'c'},
+				TotalDifficulty: "0x1",
+			},
+			wantExists:            true,
+			wantTerminalBlockHash: []byte{'a'},
+		},
+		{
+			name:     "ttd not reached",
+			paramsTd: "3",
+			currentPowBlock: &pb.ExecutionBlock{
+				Hash:            []byte{'a'},
+				ParentHash:      []byte{'b'},
+				TotalDifficulty: "0x2",
+			},
+			parentPowBlock: &pb.ExecutionBlock{
+				Hash:            []byte{'b'},
+				ParentHash:      []byte{'c'},
+				TotalDifficulty: "0x1",
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cfg := params.BeaconConfig()
+			cfg.TerminalTotalDifficulty = tt.paramsTd
+			params.OverrideBeaconConfig(cfg)
+			var m map[[32]byte]*pb.ExecutionBlock
+			if tt.parentPowBlock != nil {
+				m = map[[32]byte]*pb.ExecutionBlock{
+					bytesutil.ToBytes32(tt.parentPowBlock.Hash): tt.parentPowBlock,
+				}
+			}
+			client := mocks.EngineClient{
+				ErrLatestExecBlock: tt.errLatestExecutionBlk,
+				ExecutionBlock:     tt.currentPowBlock,
+				BlockByHashMap:     m,
+			}
+			b, e, err := client.GetTerminalBlockHash(context.Background())
+			if tt.errString != "" {
+				require.ErrorContains(t, tt.errString, err)
+			} else {
+				require.NoError(t, err)
+				require.DeepEqual(t, tt.wantExists, e)
+				require.DeepEqual(t, tt.wantTerminalBlockHash, b)
+			}
+		})
+	}
+}
+
+func Test_tDStringToUint256(t *testing.T) {
+	i, err := tDStringToUint256("0x0")
+	require.NoError(t, err)
+	require.DeepEqual(t, uint256.NewInt(0), i)
+
+	i, err = tDStringToUint256("0x10000")
+	require.NoError(t, err)
+	require.DeepEqual(t, uint256.NewInt(65536), i)
+
+	_, err = tDStringToUint256("100")
+	require.ErrorContains(t, "hex string without 0x prefix", err)
+
+	_, err = tDStringToUint256("0xzzzzzz")
+	require.ErrorContains(t, "invalid hex string", err)
+
+	_, err = tDStringToUint256("0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" +
+		"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF")
+	require.ErrorContains(t, "hex number > 256 bits", err)
+}
+
 func TestExchangeTransitionConfiguration(t *testing.T) {
 	fix := fixtures()
 	ctx := context.Background()

beacon-chain/powchain/options.go

@@ -1,9 +1,6 @@
 package powchain
 
 import (
-	"net/http"
-	"time"
-
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/prysmaticlabs/prysm/beacon-chain/cache/depositcache"
 	statefeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/state"
@@ -11,11 +8,9 @@ import (
 	"github.com/prysmaticlabs/prysm/beacon-chain/state"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
 	"github.com/prysmaticlabs/prysm/network"
+	"github.com/prysmaticlabs/prysm/network/authorization"
 )
 
-// DefaultRPCHTTPTimeout for HTTP requests via an RPC connection to an execution node.
-const DefaultRPCHTTPTimeout = time.Second * 6
-
 type Option func(s *Service) error
 
 // WithHttpEndpoints deduplicates and parses http endpoints for the powchain service to use,
@@ -38,20 +33,29 @@ func WithHttpEndpoints(endpointStrings []string) Option {
 	}
 }
 
-// WithJWTSecret for authenticating the execution node JSON-RPC endpoint.
-func WithJWTSecret(secret []byte) Option {
-	return func(c *Service) error {
+// WithHttpEndpointsAndJWTSecret for authenticating the execution node JSON-RPC endpoint.
+func WithHttpEndpointsAndJWTSecret(endpointStrings []string, secret []byte) Option {
+	return func(s *Service) error {
 		if len(secret) == 0 {
 			return nil
 		}
-		authTransport := &jwtTransport{
-			underlyingTransport: http.DefaultTransport,
-			jwtSecret:           secret,
+		stringEndpoints := dedupEndpoints(endpointStrings)
+		endpoints := make([]network.Endpoint, len(stringEndpoints))
+		// Overwrite authorization type for all endpoints to be of a bearer
+		// type.
+		for i, e := range stringEndpoints {
+			hEndpoint := HttpEndpoint(e)
+			hEndpoint.Auth.Method = authorization.Bearer
+			hEndpoint.Auth.Value = string(secret)
+			endpoints[i] = hEndpoint
 		}
-		c.cfg.httpRPCClient = &http.Client{
-			Timeout:   DefaultRPCHTTPTimeout,
-			Transport: authTransport,
+		// Select first http endpoint in the provided list.
+		var currEndpoint network.Endpoint
+		if len(endpointStrings) > 0 {
+			currEndpoint = endpoints[0]
 		}
+		s.cfg.httpEndpoints = endpoints
+		s.cfg.currHttpEndpoint = currEndpoint
 		return nil
 	}
 }

beacon-chain/powchain/rpc_connection.go

@@ -0,0 +1,176 @@
+package powchain
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+	"time"
+
+	"github.com/ethereum/go-ethereum/ethclient"
+	gethRPC "github.com/ethereum/go-ethereum/rpc"
+	"github.com/pkg/errors"
+	"github.com/prysmaticlabs/prysm/config/params"
+	contracts "github.com/prysmaticlabs/prysm/contracts/deposit"
+	"github.com/prysmaticlabs/prysm/io/logs"
+	"github.com/prysmaticlabs/prysm/network"
+	"github.com/prysmaticlabs/prysm/network/authorization"
+)
+
+func (s *Service) setupExecutionClientConnections(ctx context.Context, currEndpoint network.Endpoint) error {
+	client, err := s.newRPCClientWithAuth(ctx, currEndpoint)
+	if err != nil {
+		return errors.Wrap(err, "could not dial execution node")
+	}
+	// Attach the clients to the service struct.
+	fetcher := ethclient.NewClient(client)
+	s.rpcClient = client
+	s.httpLogger = fetcher
+	s.eth1DataFetcher = fetcher
+
+	depositContractCaller, err := contracts.NewDepositContractCaller(s.cfg.depositContractAddr, fetcher)
+	if err != nil {
+		client.Close()
+		return errors.Wrap(err, "could not initialize deposit contract caller")
+	}
+	s.depositContractCaller = depositContractCaller
+
+	// Ensure we have the correct chain and deposit IDs.
+	if err := ensureCorrectExecutionChain(ctx, fetcher); err != nil {
+		client.Close()
+		return errors.Wrap(err, "could not make initial request to verify execution chain ID")
+	}
+	s.updateConnectedETH1(true)
+	s.runError = nil
+	return nil
+}
+
+// Every N seconds, defined as a backoffPeriod, attempts to re-establish an execution client
+// connection and if this does not work, we fallback to the next endpoint if defined.
+func (s *Service) pollConnectionStatus(ctx context.Context) {
+	// Use a custom logger to only log errors
+	logCounter := 0
+	errorLogger := func(err error, msg string) {
+		if logCounter > logThreshold {
+			log.Errorf("%s: %v", msg, err)
+			logCounter = 0
+		}
+		logCounter++
+	}
+	ticker := time.NewTicker(backOffPeriod)
+	defer ticker.Stop()
+	for {
+		select {
+		case <-ticker.C:
+			log.Debugf("Trying to dial endpoint: %s", logs.MaskCredentialsLogging(s.cfg.currHttpEndpoint.Url))
+			if err := s.setupExecutionClientConnections(ctx, s.cfg.currHttpEndpoint); err != nil {
+				errorLogger(err, "Could not connect to execution client endpoint")
+				s.runError = err
+				s.fallbackToNextEndpoint()
+			}
+		case <-s.ctx.Done():
+			log.Debug("Received cancelled context,closing existing powchain service")
+			return
+		}
+	}
+}
+
+// Forces to retry an execution client connection.
+func (s *Service) retryExecutionClientConnection(ctx context.Context, err error) {
+	s.runError = err
+	s.updateConnectedETH1(false)
+	// Back off for a while before redialing.
+	time.Sleep(backOffPeriod)
+	if err := s.setupExecutionClientConnections(ctx, s.cfg.currHttpEndpoint); err != nil {
+		s.runError = err
+		return
+	}
+	// Reset run error in the event of a successful connection.
+	s.runError = nil
+}
+
+// This performs a health check on our primary endpoint, and if it
+// is ready to serve we connect to it again. This method is only
+// relevant if we are on our backup endpoint.
+func (s *Service) checkDefaultEndpoint(ctx context.Context) {
+	primaryEndpoint := s.cfg.httpEndpoints[0]
+	// Return early if we are running on our primary
+	// endpoint.
+	if s.cfg.currHttpEndpoint.Equals(primaryEndpoint) {
+		return
+	}
+
+	if err := s.setupExecutionClientConnections(ctx, primaryEndpoint); err != nil {
+		log.Debugf("Primary endpoint not ready: %v", err)
+		return
+	}
+	s.updateCurrHttpEndpoint(primaryEndpoint)
+}
+
+// This is an inefficient way to search for the next endpoint, but given N is
+// expected to be small, it is fine to search this way.
+func (s *Service) fallbackToNextEndpoint() {
+	currEndpoint := s.cfg.currHttpEndpoint
+	currIndex := 0
+	totalEndpoints := len(s.cfg.httpEndpoints)
+
+	for i, endpoint := range s.cfg.httpEndpoints {
+		if endpoint.Equals(currEndpoint) {
+			currIndex = i
+			break
+		}
+	}
+	nextIndex := currIndex + 1
+	if nextIndex >= totalEndpoints {
+		nextIndex = 0
+	}
+	s.updateCurrHttpEndpoint(s.cfg.httpEndpoints[nextIndex])
+	if nextIndex != currIndex {
+		log.Infof("Falling back to alternative endpoint: %s", logs.MaskCredentialsLogging(s.cfg.currHttpEndpoint.Url))
+	}
+}
+
+// Initializes an RPC connection with authentication headers.
+func (s *Service) newRPCClientWithAuth(ctx context.Context, endpoint network.Endpoint) (*gethRPC.Client, error) {
+	// Need to handle ipc and http
+	var client *gethRPC.Client
+	u, err := url.Parse(endpoint.Url)
+	if err != nil {
+		return nil, err
+	}
+	switch u.Scheme {
+	case "http", "https":
+		client, err = gethRPC.DialHTTPWithClient(endpoint.Url, endpoint.HttpClient())
+		if err != nil {
+			return nil, err
+		}
+	case "":
+		client, err = gethRPC.DialIPC(ctx, endpoint.Url)
+		if err != nil {
+			return nil, err
+		}
+	default:
+		return nil, fmt.Errorf("no known transport for URL scheme %q", u.Scheme)
+	}
+	if endpoint.Auth.Method != authorization.None {
+		header, err := endpoint.Auth.ToHeaderValue()
+		if err != nil {
+			return nil, err
+		}
+		client.SetHeader("Authorization", header)
+	}
+	return client, nil
+}
+
+// Checks the chain ID of the execution client to ensure
+// it matches local parameters of what Prysm expects.
+func ensureCorrectExecutionChain(ctx context.Context, client *ethclient.Client) error {
+	cID, err := client.ChainID(ctx)
+	if err != nil {
+		return err
+	}
+	wantChainID := params.BeaconConfig().DepositChainID
+	if cID.Uint64() != wantChainID {
+		return fmt.Errorf("wanted chain ID %d, got %d", wantChainID, cID.Uint64())
+	}
+	return nil
+}

beacon-chain/powchain/service.go

@@ -7,7 +7,6 @@ import (
 	"context"
 	"fmt"
 	"math/big"
-	"net/http"
 	"reflect"
 	"runtime/debug"
 	"sort"
@@ -39,10 +38,8 @@ import (
 	"github.com/prysmaticlabs/prysm/container/trie"
 	contracts "github.com/prysmaticlabs/prysm/contracts/deposit"
 	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	"github.com/prysmaticlabs/prysm/io/logs"
 	"github.com/prysmaticlabs/prysm/monitoring/clientstats"
 	"github.com/prysmaticlabs/prysm/network"
-	"github.com/prysmaticlabs/prysm/network/authorization"
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
 	prysmTime "github.com/prysmaticlabs/prysm/time"
 	"github.com/prysmaticlabs/prysm/time/slots"
@@ -114,6 +111,7 @@ type Chain interface {
 // RPCDataFetcher defines a subset of methods conformed to by ETH1.0 RPC clients for
 // fetching eth1 data from the clients.
 type RPCDataFetcher interface {
+	Close()
 	HeaderByNumber(ctx context.Context, number *big.Int) (*gethTypes.Header, error)
 	HeaderByHash(ctx context.Context, hash common.Hash) (*gethTypes.Header, error)
 	SyncProgress(ctx context.Context) (*ethereum.SyncProgress, error)
@@ -121,6 +119,7 @@ type RPCDataFetcher interface {
 
 // RPCClient defines the rpc methods required to interact with the eth1 node.
 type RPCClient interface {
+	Close()
 	BatchCall(b []gethRPC.BatchElem) error
 	CallContext(ctx context.Context, result interface{}, method string, args ...interface{}) error
 }
@@ -135,7 +134,6 @@ type config struct {
 	eth1HeaderReqLimit      uint64
 	beaconNodeStatsUpdater  BeaconNodeStatsUpdater
 	httpEndpoints           []network.Endpoint
-	httpRPCClient           *http.Client
 	currHttpEndpoint        network.Endpoint
 	finalizedStateAtStartup state.BeaconState
 }
@@ -228,14 +226,9 @@ func NewService(ctx context.Context, opts ...Option) (*Service, error) {
 
 // Start a web3 service's main event loop.
 func (s *Service) Start() {
-
-	if err := s.connectToPowChain(); err != nil {
-		log.WithError(err).Fatal("Could not connect to execution endpoint")
+	if err := s.setupExecutionClientConnections(s.ctx, s.cfg.currHttpEndpoint); err != nil {
+		log.WithError(err).Error("Could not connect to execution endpoint")
 	}
-
-	log.WithFields(logrus.Fields{
-		"endpoint": logs.MaskCredentialsLogging(s.cfg.currHttpEndpoint.Url),
-	}).Info("Connected to Ethereum execution client RPC")
 	// If the chain has not started already and we don't have access to eth1 nodes, we will not be
 	// able to generate the genesis state.
 	if !s.chainStartData.Chainstarted && s.cfg.currHttpEndpoint.Url == "" {
@@ -253,7 +246,7 @@ func (s *Service) Start() {
 	s.isRunning = true
 
 	// Poll the execution client connection and fallback if errors occur.
-	go s.pollConnectionStatus()
+	go s.pollConnectionStatus(s.ctx)
 
 	// Check transition configuration for the engine API client in the background.
 	go s.checkTransitionConfiguration(s.ctx, make(chan *feed.Event, 1))
@@ -266,7 +259,12 @@ func (s *Service) Stop() error {
 	if s.cancel != nil {
 		defer s.cancel()
 	}
-	s.closeClients()
+	if s.rpcClient != nil {
+		s.rpcClient.Close()
+	}
+	if s.eth1DataFetcher != nil {
+		s.eth1DataFetcher.Close()
+	}
 	return nil
 }
 
@@ -338,10 +336,7 @@ func (s *Service) CurrentETH1Endpoint() string {
 
 // CurrentETH1ConnectionError returns the error (if any) of the current connection.
 func (s *Service) CurrentETH1ConnectionError() error {
-	httpClient, rpcClient, err := s.dialETH1Nodes(s.cfg.currHttpEndpoint)
-	httpClient.Close()
-	rpcClient.Close()
-	return err
+	return s.runError
 }
 
 // ETH1Endpoints returns the slice of HTTP endpoint URLs (default is 0th element).
@@ -358,10 +353,17 @@ func (s *Service) ETH1Endpoints() []string {
 func (s *Service) ETH1ConnectionErrors() []error {
 	var errs []error
 	for _, ep := range s.cfg.httpEndpoints {
-		httpClient, rpcClient, err := s.dialETH1Nodes(ep)
-		httpClient.Close()
-		rpcClient.Close()
-		errs = append(errs, err)
+		client, err := s.newRPCClientWithAuth(s.ctx, ep)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+		if err := ensureCorrectExecutionChain(s.ctx, ethclient.NewClient(client)); err != nil {
+			client.Close()
+			errs = append(errs, err)
+			continue
+		}
+		client.Close()
 	}
 	return errs
 }
@@ -376,146 +378,6 @@ func (s *Service) followBlockHeight(_ context.Context) (uint64, error) {
 	return latestValidBlock, nil
 }
 
-func (s *Service) connectToPowChain() error {
-	httpClient, rpcClient, err := s.dialETH1Nodes(s.cfg.currHttpEndpoint)
-	if err != nil {
-		return errors.Wrap(err, "could not dial execution node")
-	}
-
-	depositContractCaller, err := contracts.NewDepositContractCaller(s.cfg.depositContractAddr, httpClient)
-	if err != nil {
-		return errors.Wrap(err, "could not initialize deposit contract caller")
-	}
-
-	if httpClient == nil || rpcClient == nil || depositContractCaller == nil {
-		return errors.New("execution client RPC is nil")
-	}
-	s.httpLogger = httpClient
-	s.eth1DataFetcher = httpClient
-	s.depositContractCaller = depositContractCaller
-	s.rpcClient = rpcClient
-
-	s.updateConnectedETH1(true)
-	s.runError = nil
-	return nil
-}
-
-func (s *Service) dialETH1Nodes(endpoint network.Endpoint) (*ethclient.Client, *gethRPC.Client, error) {
-	httpRPCClient, err := gethRPC.Dial(endpoint.Url)
-	if err != nil {
-		return nil, nil, err
-	}
-	if endpoint.Auth.Method != authorization.None {
-		header, err := endpoint.Auth.ToHeaderValue()
-		if err != nil {
-			return nil, nil, err
-		}
-		httpRPCClient.SetHeader("Authorization", header)
-	}
-	httpClient := ethclient.NewClient(httpRPCClient)
-	// Add a method to clean-up and close clients in the event
-	// of any connection failure.
-	closeClients := func() {
-		httpRPCClient.Close()
-		httpClient.Close()
-	}
-	// Make a simple call to ensure we are actually connected to a working node.
-	cID, err := httpClient.ChainID(s.ctx)
-	if err != nil {
-		closeClients()
-		return nil, nil, err
-	}
-	nID, err := httpClient.NetworkID(s.ctx)
-	if err != nil {
-		closeClients()
-		return nil, nil, err
-	}
-	if cID.Uint64() != params.BeaconConfig().DepositChainID {
-		closeClients()
-		return nil, nil, fmt.Errorf("eth1 node using incorrect chain id, %d != %d", cID.Uint64(), params.BeaconConfig().DepositChainID)
-	}
-	if nID.Uint64() != params.BeaconConfig().DepositNetworkID {
-		closeClients()
-		return nil, nil, fmt.Errorf("eth1 node using incorrect network id, %d != %d", nID.Uint64(), params.BeaconConfig().DepositNetworkID)
-	}
-
-	return httpClient, httpRPCClient, nil
-}
-
-// closes down our active eth1 clients.
-func (s *Service) closeClients() {
-	gethClient, ok := s.rpcClient.(*gethRPC.Client)
-	if ok {
-		gethClient.Close()
-	}
-	httpClient, ok := s.eth1DataFetcher.(*ethclient.Client)
-	if ok {
-		httpClient.Close()
-	}
-}
-
-func (s *Service) pollConnectionStatus() {
-	// Use a custom logger to only log errors
-	logCounter := 0
-	errorLogger := func(err error, msg string) {
-		if logCounter > logThreshold {
-			log.Errorf("%s: %v", msg, err)
-			logCounter = 0
-		}
-		logCounter++
-	}
-	ticker := time.NewTicker(backOffPeriod)
-	defer ticker.Stop()
-	for {
-		select {
-		case <-ticker.C:
-			log.Debugf("Trying to dial endpoint: %s", logs.MaskCredentialsLogging(s.cfg.currHttpEndpoint.Url))
-			errConnect := s.connectToPowChain()
-			if errConnect != nil {
-				errorLogger(errConnect, "Could not connect to powchain endpoint")
-				s.runError = errConnect
-				s.fallbackToNextEndpoint()
-				continue
-			}
-		case <-s.ctx.Done():
-			log.Debug("Received cancelled context,closing existing powchain service")
-			return
-		}
-	}
-}
-
-// checks if the eth1 node is healthy and ready to serve before
-// fetching data from  it.
-func (s *Service) isEth1NodeSynced() (bool, error) {
-	syncProg, err := s.eth1DataFetcher.SyncProgress(s.ctx)
-	if err != nil {
-		return false, err
-	}
-	if syncProg != nil {
-		return false, nil
-	}
-	head, err := s.eth1DataFetcher.HeaderByNumber(s.ctx, nil)
-	if err != nil {
-		return false, err
-	}
-	return !eth1HeadIsBehind(head.Time), nil
-}
-
-// Reconnect to eth1 node in case of any failure.
-func (s *Service) retryETH1Node(err error) {
-	s.runError = err
-	s.updateConnectedETH1(false)
-	// Back off for a while before
-	// resuming dialing the eth1 node.
-	time.Sleep(backOffPeriod)
-	if err := s.connectToPowChain(); err != nil {
-		s.runError = err
-		return
-	}
-	// Reset run error in the event of a successful connection.
-	s.runError = nil
-}
-
 func (s *Service) initDepositCaches(ctx context.Context, ctrs []*ethpb.DepositContainer) error {
 	if len(ctrs) == 0 {
 		return nil
@@ -650,7 +512,7 @@ func (s *Service) handleETH1FollowDistance() {
 	fiveMinutesTimeout := prysmTime.Now().Add(-5 * time.Minute)
 	// check that web3 client is syncing
 	if time.Unix(int64(s.latestEth1Data.BlockTime), 0).Before(fiveMinutesTimeout) {
-		log.Warn("eth1 client is not syncing")
+		log.Warn("Execution client is not syncing")
 	}
 	if !s.chainStartData.Chainstarted {
 		if err := s.checkBlockNumberForChainStart(ctx, big.NewInt(int64(s.latestEth1Data.LastRequestedBlock))); err != nil {
@@ -680,6 +542,15 @@ func (s *Service) handleETH1FollowDistance() {
 }
 
 func (s *Service) initPOWService() {
+	// Use a custom logger to only log errors
+	logCounter := 0
+	errorLogger := func(err error, msg string) {
+		if logCounter > logThreshold {
+			log.Errorf("%s: %v", msg, err)
+			logCounter = 0
+		}
+		logCounter++
+	}
 
 	// Run in a select loop to retry in the event of any failures.
 	for {
@@ -690,8 +561,8 @@ func (s *Service) initPOWService() {
 			ctx := s.ctx
 			header, err := s.eth1DataFetcher.HeaderByNumber(ctx, nil)
 			if err != nil {
-				log.Errorf("Unable to retrieve latest ETH1.0 chain header: %v", err)
-				s.retryETH1Node(err)
+				s.retryExecutionClientConnection(ctx, err)
+				errorLogger(err, "Unable to retrieve latest execution client header")
 				continue
 			}
 
@@ -700,14 +571,14 @@ func (s *Service) initPOWService() {
 			s.latestEth1Data.BlockTime = header.Time
 
 			if err := s.processPastLogs(ctx); err != nil {
-				log.Errorf("Unable to process past logs %v", err)
-				s.retryETH1Node(err)
+				s.retryExecutionClientConnection(ctx, err)
+				errorLogger(err, "Unable to process past deposit contract logs")
 				continue
 			}
 			// Cache eth1 headers from our voting period.
 			if err := s.cacheHeadersForEth1DataVote(ctx); err != nil {
-				log.Errorf("Unable to process past headers %v", err)
-				s.retryETH1Node(err)
+				s.retryExecutionClientConnection(ctx, err)
+				errorLogger(err, "Unable to cache headers for execution client votes")
 				continue
 			}
 			// Handle edge case with embedded genesis state by fetching genesis header to determine
@@ -720,15 +591,15 @@ func (s *Service) initPOWService() {
 				if genHash != [32]byte{} {
 					genHeader, err := s.eth1DataFetcher.HeaderByHash(ctx, genHash)
 					if err != nil {
-						log.Errorf("Unable to retrieve genesis ETH1.0 chain header: %v", err)
-						s.retryETH1Node(err)
+						s.retryExecutionClientConnection(ctx, err)
+						errorLogger(err, "Unable to retrieve proof-of-stake genesis block data")
 						continue
 					}
 					genBlock = genHeader.Number.Uint64()
 				}
 				s.chainStartData.GenesisBlock = genBlock
 				if err := s.savePowchainData(ctx); err != nil {
-					log.Errorf("Unable to save powchain data: %v", err)
+					errorLogger(err, "Unable to save execution client data")
 				}
 			}
 			return
@@ -757,17 +628,16 @@ func (s *Service) run(done <-chan struct{}) {
 			head, err := s.eth1DataFetcher.HeaderByNumber(s.ctx, nil)
 			if err != nil {
 				log.WithError(err).Debug("Could not fetch latest eth1 header")
-				s.retryETH1Node(err)
 				continue
 			}
 			if eth1HeadIsBehind(head.Time) {
+				s.retryExecutionClientConnection(s.ctx, err)
 				log.WithError(errFarBehind).Debug("Could not get an up to date eth1 header")
-				s.retryETH1Node(errFarBehind)
 				continue
 			}
 			s.processBlockHeader(head)
 			s.handleETH1FollowDistance()
-			s.checkDefaultEndpoint()
+			s.checkDefaultEndpoint(s.ctx)
 		case <-chainstartTicker.C:
 			if s.chainStartData.Chainstarted {
 				chainstartTicker.Stop()
@@ -854,59 +724,6 @@ func (s *Service) determineEarliestVotingBlock(ctx context.Context, followBlock
 	return hdr.Number.Uint64(), nil
 }
 
-// This performs a health check on our primary endpoint, and if it
-// is ready to serve we connect to it again. This method is only
-// relevant if we are on our backup endpoint.
-func (s *Service) checkDefaultEndpoint() {
-	primaryEndpoint := s.cfg.httpEndpoints[0]
-	// Return early if we are running on our primary
-	// endpoint.
-	if s.cfg.currHttpEndpoint.Equals(primaryEndpoint) {
-		return
-	}
-
-	httpClient, rpcClient, err := s.dialETH1Nodes(primaryEndpoint)
-	if err != nil {
-		log.Debugf("Primary endpoint not ready: %v", err)
-		return
-	}
-	log.Info("Primary endpoint ready again, switching back to it")
-	// Close the clients and let our main connection routine
-	// properly connect with it.
-	httpClient.Close()
-	rpcClient.Close()
-	// Close current active clients.
-	s.closeClients()
-
-	// Switch back to primary endpoint and try connecting
-	// to it again.
-	s.updateCurrHttpEndpoint(primaryEndpoint)
-	s.retryETH1Node(nil)
-}
-
-// This is an inefficient way to search for the next endpoint, but given N is expected to be
-// small ( < 25), it is fine to search this way.
-func (s *Service) fallbackToNextEndpoint() {
-	currEndpoint := s.cfg.currHttpEndpoint
-	currIndex := 0
-	totalEndpoints := len(s.cfg.httpEndpoints)
-
-	for i, endpoint := range s.cfg.httpEndpoints {
-		if endpoint.Equals(currEndpoint) {
-			currIndex = i
-			break
-		}
-	}
-	nextIndex := currIndex + 1
-	if nextIndex >= totalEndpoints {
-		nextIndex = 0
-	}
-	s.updateCurrHttpEndpoint(s.cfg.httpEndpoints[nextIndex])
-	if nextIndex != currIndex {
-		log.Infof("Falling back to alternative endpoint: %s", logs.MaskCredentialsLogging(s.cfg.currHttpEndpoint.Url))
-	}
-}
-
 // initializes our service from the provided eth1data object by initializing all the relevant
 // fields and data.
 func (s *Service) initializeEth1Data(ctx context.Context, eth1DataInDB *ethpb.ETH1ChainData) error {

beacon-chain/powchain/service_test.go

@@ -42,6 +42,8 @@ type goodLogger struct {
 	backend *backends.SimulatedBackend
 }
 
+func (_ *goodLogger) Close() {}
+
 func (g *goodLogger) SubscribeFilterLogs(ctx context.Context, q ethereum.FilterQuery, ch chan<- gethTypes.Log) (ethereum.Subscription, error) {
 	if g.backend == nil {
 		return new(event.Feed).Subscribe(ch), nil
@@ -80,6 +82,8 @@ type goodFetcher struct {
 	backend *backends.SimulatedBackend
 }
 
+func (_ *goodFetcher) Close() {}
+
 func (g *goodFetcher) HeaderByHash(_ context.Context, hash common.Hash) (*gethTypes.Header, error) {
 	if bytes.Equal(hash.Bytes(), common.BytesToHash([]byte{0}).Bytes()) {
 		return nil, fmt.Errorf("expected block hash to be nonzero %v", hash)
@@ -225,10 +229,6 @@ func TestService_Eth1Synced(t *testing.T) {
 	now := time.Now()
 	assert.NoError(t, testAcc.Backend.AdjustTime(now.Sub(time.Unix(int64(currTime), 0))))
 	testAcc.Backend.Commit()
-
-	synced, err := web3Service.isEth1NodeSynced()
-	require.NoError(t, err)
-	assert.Equal(t, true, synced, "Expected eth1 nodes to be synced")
 }
 
 func TestFollowBlock_OK(t *testing.T) {
@@ -480,8 +480,8 @@ func TestInitDepositCacheWithFinalization_OK(t *testing.T) {
 
 	s.chainStartData.Chainstarted = true
 	require.NoError(t, s.initDepositCaches(context.Background(), ctrs))
-
-	deps := s.cfg.depositCache.NonFinalizedDeposits(context.Background(), nil)
+	fDeposits := s.cfg.depositCache.FinalizedDeposits(ctx)
+	deps := s.cfg.depositCache.NonFinalizedDeposits(context.Background(), fDeposits.MerkleTrieIndex, nil)
 	assert.Equal(t, 0, len(deps))
 }
 

beacon-chain/powchain/testing/BUILD.bazel

@@ -26,6 +26,7 @@ go_library(
         "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
         "@com_github_ethereum_go_ethereum//core/types:go_default_library",
         "@com_github_ethereum_go_ethereum//rpc:go_default_library",
+        "@com_github_holiman_uint256//:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
     ],
 )

beacon-chain/powchain/testing/mock_engine_client.go

@@ -2,25 +2,32 @@ package testing
 
 import (
 	"context"
+	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/holiman/uint256"
 	"github.com/pkg/errors"
+	"github.com/prysmaticlabs/prysm/config/params"
+	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
 	pb "github.com/prysmaticlabs/prysm/proto/engine/v1"
 )
 
 // EngineClient --
 type EngineClient struct {
-	NewPayloadResp        []byte
-	PayloadIDBytes        *pb.PayloadIDBytes
-	ForkChoiceUpdatedResp []byte
-	ExecutionPayload      *pb.ExecutionPayload
-	ExecutionBlock        *pb.ExecutionBlock
-	Err                   error
-	ErrLatestExecBlock    error
-	ErrExecBlockByHash    error
-	ErrForkchoiceUpdated  error
-	ErrNewPayload         error
-	BlockByHashMap        map[[32]byte]*pb.ExecutionBlock
+	NewPayloadResp          []byte
+	PayloadIDBytes          *pb.PayloadIDBytes
+	ForkChoiceUpdatedResp   []byte
+	ExecutionPayload        *pb.ExecutionPayload
+	ExecutionBlock          *pb.ExecutionBlock
+	Err                     error
+	ErrLatestExecBlock      error
+	ErrExecBlockByHash      error
+	ErrForkchoiceUpdated    error
+	ErrNewPayload           error
+	BlockByHashMap          map[[32]byte]*pb.ExecutionBlock
+	TerminalBlockHash       []byte
+	TerminalBlockHashExists bool
 }
 
 // NewPayload --
@@ -58,3 +65,52 @@ func (e *EngineClient) ExecutionBlockByHash(_ context.Context, h common.Hash) (*
 	}
 	return b, e.ErrExecBlockByHash
 }
+
+// GetTerminalBlockHash --
+func (e *EngineClient) GetTerminalBlockHash(ctx context.Context) ([]byte, bool, error) {
+	ttd := new(big.Int)
+	ttd.SetString(params.BeaconConfig().TerminalTotalDifficulty, 10)
+	terminalTotalDifficulty, overflows := uint256.FromBig(ttd)
+	if overflows {
+		return nil, false, errors.New("could not convert terminal total difficulty to uint256")
+	}
+	blk, err := e.LatestExecutionBlock(ctx)
+	if err != nil {
+		return nil, false, errors.Wrap(err, "could not get latest execution block")
+	}
+	if blk == nil {
+		return nil, false, errors.New("latest execution block is nil")
+	}
+
+	for {
+		b, err := hexutil.DecodeBig(blk.TotalDifficulty)
+		if err != nil {
+			return nil, false, errors.Wrap(err, "could not convert total difficulty to uint256")
+		}
+		currentTotalDifficulty, _ := uint256.FromBig(b)
+		blockReachedTTD := currentTotalDifficulty.Cmp(terminalTotalDifficulty) >= 0
+
+		parentHash := bytesutil.ToBytes32(blk.ParentHash)
+		if len(blk.ParentHash) == 0 || parentHash == params.BeaconConfig().ZeroHash {
+			return nil, false, nil
+		}
+		parentBlk, err := e.ExecutionBlockByHash(ctx, parentHash)
+		if err != nil {
+			return nil, false, errors.Wrap(err, "could not get parent execution block")
+		}
+		if blockReachedTTD {
+			b, err := hexutil.DecodeBig(parentBlk.TotalDifficulty)
+			if err != nil {
+				return nil, false, errors.Wrap(err, "could not convert total difficulty to uint256")
+			}
+			parentTotalDifficulty, _ := uint256.FromBig(b)
+			parentReachedTTD := parentTotalDifficulty.Cmp(terminalTotalDifficulty) >= 0
+			if !parentReachedTTD {
+				return blk.Hash, true, nil
+			}
+		} else {
+			return nil, false, nil
+		}
+		blk = parentBlk
+	}
+}

beacon-chain/powchain/testing/mock_powchain.go

@@ -144,6 +144,8 @@ type RPCClient struct {
 	Backend *backends.SimulatedBackend
 }
 
+func (_ *RPCClient) Close() {}
+
 func (*RPCClient) CallContext(_ context.Context, _ interface{}, _ string, _ ...interface{}) error {
 	return nil
 }

beacon-chain/rpc/prysm/v1alpha1/validator/BUILD.bazel

@@ -77,7 +77,6 @@ go_library(
         "@com_github_ethereum_go_ethereum//common:go_default_library",
         "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
         "@com_github_ferranbt_fastssz//:go_default_library",
-        "@com_github_holiman_uint256//:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
         "@com_github_prometheus_client_golang//prometheus:go_default_library",
         "@com_github_prometheus_client_golang//prometheus/promauto:go_default_library",
@@ -162,7 +161,6 @@ go_test(
         "@com_github_d4l3k_messagediff//:go_default_library",
         "@com_github_ethereum_go_ethereum//common:go_default_library",
         "@com_github_golang_mock//gomock:go_default_library",
-        "@com_github_holiman_uint256//:go_default_library",
         "@com_github_prysmaticlabs_eth2_types//:go_default_library",
         "@com_github_prysmaticlabs_go_bitfield//:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",

beacon-chain/rpc/prysm/v1alpha1/validator/blocks.go

@@ -37,17 +37,24 @@ func (vs *Server) StreamBlocksAltair(req *ethpb.StreamBlocksRequest, stream ethp
 					case version.Phase0:
 						phBlk, ok := data.SignedBlock.Proto().(*ethpb.SignedBeaconBlock)
 						if !ok {
-							log.Warn("Mismatch between version and block type, was expecting *ethpb.SignedBeaconBlock")
+							log.Warn("Mismatch between version and block type, was expecting SignedBeaconBlock")
 							continue
 						}
 						b.Block = &ethpb.StreamBlocksResponse_Phase0Block{Phase0Block: phBlk}
 					case version.Altair:
 						phBlk, ok := data.SignedBlock.Proto().(*ethpb.SignedBeaconBlockAltair)
 						if !ok {
-							log.Warn("Mismatch between version and block type, was expecting *v2.SignedBeaconBlockAltair")
+							log.Warn("Mismatch between version and block type, was expecting SignedBeaconBlockAltair")
 							continue
 						}
 						b.Block = &ethpb.StreamBlocksResponse_AltairBlock{AltairBlock: phBlk}
+					case version.Bellatrix:
+						phBlk, ok := data.SignedBlock.Proto().(*ethpb.SignedBeaconBlockBellatrix)
+						if !ok {
+							log.Warn("Mismatch between version and block type, was expecting SignedBeaconBlockBellatrix")
+							continue
+						}
+						b.Block = &ethpb.StreamBlocksResponse_BellatrixBlock{BellatrixBlock: phBlk}
 					}
 
 					if err := stream.Send(b); err != nil {

beacon-chain/rpc/prysm/v1alpha1/validator/proposer_deposits.go

@@ -161,7 +161,7 @@ func (vs *Server) depositTrie(ctx context.Context, canonicalEth1Data *ethpb.Eth1
 
 	finalizedDeposits := vs.DepositFetcher.FinalizedDeposits(ctx)
 	depositTrie = finalizedDeposits.Deposits
-	upToEth1DataDeposits := vs.DepositFetcher.NonFinalizedDeposits(ctx, canonicalEth1DataHeight)
+	upToEth1DataDeposits := vs.DepositFetcher.NonFinalizedDeposits(ctx, finalizedDeposits.MerkleTrieIndex, canonicalEth1DataHeight)
 	insertIndex := finalizedDeposits.MerkleTrieIndex + 1
 
 	for _, dep := range upToEth1DataDeposits {

beacon-chain/rpc/prysm/v1alpha1/validator/proposer_execution_payload.go

@@ -3,11 +3,7 @@ package validator
 import (
 	"bytes"
 	"context"
-	"fmt"
-	"math/big"
 
-	"github.com/ethereum/go-ethereum/common/hexutil"
-	"github.com/holiman/uint256"
 	"github.com/pkg/errors"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
@@ -181,79 +177,7 @@ func (vs *Server) getTerminalBlockHashIfExists(ctx context.Context) ([]byte, boo
 		return terminalBlockHash.Bytes(), true, nil
 	}
 
-	return vs.getPowBlockHashAtTerminalTotalDifficulty(ctx)
-}
-
-// This returns the valid terminal block hash based on total difficulty.
-//
-// Spec code:
-// def get_pow_block_at_terminal_total_difficulty(pow_chain: Dict[Hash32, PowBlock]) -> Optional[PowBlock]:
-//    # `pow_chain` abstractly represents all blocks in the PoW chain
-//    for block in pow_chain:
-//        parent = pow_chain[block.parent_hash]
-//        block_reached_ttd = block.total_difficulty >= TERMINAL_TOTAL_DIFFICULTY
-//        parent_reached_ttd = parent.total_difficulty >= TERMINAL_TOTAL_DIFFICULTY
-//        if block_reached_ttd and not parent_reached_ttd:
-//            return block
-//
-//    return None
-func (vs *Server) getPowBlockHashAtTerminalTotalDifficulty(ctx context.Context) ([]byte, bool, error) {
-	ttd := new(big.Int)
-	ttd.SetString(params.BeaconConfig().TerminalTotalDifficulty, 10)
-	terminalTotalDifficulty, overflows := uint256.FromBig(ttd)
-	if overflows {
-		return nil, false, errors.New("could not convert terminal total difficulty to uint256")
-	}
-	blk, err := vs.ExecutionEngineCaller.LatestExecutionBlock(ctx)
-	if err != nil {
-		return nil, false, errors.Wrap(err, "could not get latest execution block")
-	}
-	if blk == nil {
-		return nil, false, errors.New("latest execution block is nil")
-	}
-
-	for {
-		if ctx.Err() != nil {
-			return nil, false, ctx.Err()
-		}
-		currentTotalDifficulty, err := tDStringToUint256(blk.TotalDifficulty)
-		if err != nil {
-			return nil, false, errors.Wrap(err, "could not convert total difficulty to uint256")
-		}
-		blockReachedTTD := currentTotalDifficulty.Cmp(terminalTotalDifficulty) >= 0
-
-		parentHash := bytesutil.ToBytes32(blk.ParentHash)
-		if len(blk.ParentHash) == 0 || parentHash == params.BeaconConfig().ZeroHash {
-			return nil, false, nil
-		}
-		parentBlk, err := vs.ExecutionEngineCaller.ExecutionBlockByHash(ctx, parentHash)
-		if err != nil {
-			return nil, false, errors.Wrap(err, "could not get parent execution block")
-		}
-		if parentBlk == nil {
-			return nil, false, errors.New("parent execution block is nil")
-		}
-		if blockReachedTTD {
-			parentTotalDifficulty, err := tDStringToUint256(parentBlk.TotalDifficulty)
-			if err != nil {
-				return nil, false, errors.Wrap(err, "could not convert total difficulty to uint256")
-			}
-			parentReachedTTD := parentTotalDifficulty.Cmp(terminalTotalDifficulty) >= 0
-			if !parentReachedTTD {
-				log.WithFields(logrus.Fields{
-					"number":   blk.Number,
-					"hash":     fmt.Sprintf("%#x", bytesutil.Trunc(blk.Hash)),
-					"td":       blk.TotalDifficulty,
-					"parentTd": parentBlk.TotalDifficulty,
-					"ttd":      terminalTotalDifficulty,
-				}).Info("Retrieved terminal block hash")
-				return blk.Hash, true, nil
-			}
-		} else {
-			return nil, false, nil
-		}
-		blk = parentBlk
-	}
+	return vs.ExecutionEngineCaller.GetTerminalBlockHash(ctx)
 }
 
 // activationEpochNotReached returns true if activation epoch has not been reach.
@@ -270,18 +194,6 @@ func activationEpochNotReached(slot types.Slot) bool {
 	return false
 }
 
-func tDStringToUint256(td string) (*uint256.Int, error) {
-	b, err := hexutil.DecodeBig(td)
-	if err != nil {
-		return nil, err
-	}
-	i, overflows := uint256.FromBig(b)
-	if overflows {
-		return nil, errors.New("total difficulty overflowed")
-	}
-	return i, nil
-}
-
 func emptyPayload() *enginev1.ExecutionPayload {
 	return &enginev1.ExecutionPayload{
 		ParentHash:    make([]byte, fieldparams.RootLength),

beacon-chain/rpc/prysm/v1alpha1/validator/proposer_execution_payload_test.go

@@ -6,7 +6,6 @@ import (
 	"testing"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/holiman/uint256"
 	types "github.com/prysmaticlabs/eth2-types"
 	chainMock "github.com/prysmaticlabs/prysm/beacon-chain/blockchain/testing"
 	"github.com/prysmaticlabs/prysm/beacon-chain/cache"
@@ -22,26 +21,6 @@ import (
 	"github.com/prysmaticlabs/prysm/testing/util"
 )
 
-func Test_tDStringToUint256(t *testing.T) {
-	i, err := tDStringToUint256("0x0")
-	require.NoError(t, err)
-	require.DeepEqual(t, uint256.NewInt(0), i)
-
-	i, err = tDStringToUint256("0x10000")
-	require.NoError(t, err)
-	require.DeepEqual(t, uint256.NewInt(65536), i)
-
-	_, err = tDStringToUint256("100")
-	require.ErrorContains(t, "hex string without 0x prefix", err)
-
-	_, err = tDStringToUint256("0xzzzzzz")
-	require.ErrorContains(t, "invalid hex string", err)
-
-	_, err = tDStringToUint256("0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" +
-		"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF")
-	require.ErrorContains(t, "hex number > 256 bits", err)
-}
-
 func TestServer_activationEpochNotReached(t *testing.T) {
 	require.Equal(t, false, activationEpochNotReached(0))
 
@@ -154,137 +133,6 @@ func TestServer_getExecutionPayload(t *testing.T) {
 	}
 }
 
-func TestServer_getPowBlockHashAtTerminalTotalDifficulty(t *testing.T) {
-	tests := []struct {
-		name                  string
-		paramsTd              string
-		currentPowBlock       *pb.ExecutionBlock
-		parentPowBlock        *pb.ExecutionBlock
-		errLatestExecutionBlk error
-		wantTerminalBlockHash []byte
-		wantExists            bool
-		errString             string
-	}{
-		{
-			name:      "config td overflows",
-			paramsTd:  "1115792089237316195423570985008687907853269984665640564039457584007913129638912",
-			errString: "could not convert terminal total difficulty to uint256",
-		},
-		{
-			name:                  "could not get latest execution block",
-			paramsTd:              "1",
-			errLatestExecutionBlk: errors.New("blah"),
-			errString:             "could not get latest execution block",
-		},
-		{
-			name:      "nil latest execution block",
-			paramsTd:  "1",
-			errString: "latest execution block is nil",
-		},
-		{
-			name:     "current execution block invalid TD",
-			paramsTd: "1",
-			currentPowBlock: &pb.ExecutionBlock{
-				Hash:            []byte{'a'},
-				TotalDifficulty: "1115792089237316195423570985008687907853269984665640564039457584007913129638912",
-			},
-			errString: "could not convert total difficulty to uint256",
-		},
-		{
-			name:     "current execution block has zero hash parent",
-			paramsTd: "2",
-			currentPowBlock: &pb.ExecutionBlock{
-				Hash:            []byte{'a'},
-				ParentHash:      params.BeaconConfig().ZeroHash[:],
-				TotalDifficulty: "0x3",
-			},
-		},
-		{
-			name:     "could not get parent block",
-			paramsTd: "2",
-			currentPowBlock: &pb.ExecutionBlock{
-				Hash:            []byte{'a'},
-				ParentHash:      []byte{'b'},
-				TotalDifficulty: "0x3",
-			},
-			errString: "could not get parent execution block",
-		},
-		{
-			name:     "parent execution block invalid TD",
-			paramsTd: "2",
-			currentPowBlock: &pb.ExecutionBlock{
-				Hash:            []byte{'a'},
-				ParentHash:      []byte{'b'},
-				TotalDifficulty: "0x3",
-			},
-			parentPowBlock: &pb.ExecutionBlock{
-				Hash:            []byte{'b'},
-				ParentHash:      []byte{'c'},
-				TotalDifficulty: "1",
-			},
-			errString: "could not convert total difficulty to uint256",
-		},
-		{
-			name:     "happy case",
-			paramsTd: "2",
-			currentPowBlock: &pb.ExecutionBlock{
-				Hash:            []byte{'a'},
-				ParentHash:      []byte{'b'},
-				TotalDifficulty: "0x3",
-			},
-			parentPowBlock: &pb.ExecutionBlock{
-				Hash:            []byte{'b'},
-				ParentHash:      []byte{'c'},
-				TotalDifficulty: "0x1",
-			},
-			wantExists:            true,
-			wantTerminalBlockHash: []byte{'a'},
-		},
-		{
-			name:     "ttd not reached",
-			paramsTd: "3",
-			currentPowBlock: &pb.ExecutionBlock{
-				Hash:            []byte{'a'},
-				ParentHash:      []byte{'b'},
-				TotalDifficulty: "0x2",
-			},
-			parentPowBlock: &pb.ExecutionBlock{
-				Hash:            []byte{'b'},
-				ParentHash:      []byte{'c'},
-				TotalDifficulty: "0x1",
-			},
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			cfg := params.BeaconConfig()
-			cfg.TerminalTotalDifficulty = tt.paramsTd
-			params.OverrideBeaconConfig(cfg)
-			var m map[[32]byte]*pb.ExecutionBlock
-			if tt.parentPowBlock != nil {
-				m = map[[32]byte]*pb.ExecutionBlock{
-					bytesutil.ToBytes32(tt.parentPowBlock.Hash): tt.parentPowBlock,
-				}
-			}
-			vs := &Server{
-				ExecutionEngineCaller: &powtesting.EngineClient{
-					ErrLatestExecBlock: tt.errLatestExecutionBlk,
-					ExecutionBlock:     tt.currentPowBlock,
-					BlockByHashMap:     m,
-				},
-			}
-			b, e, err := vs.getPowBlockHashAtTerminalTotalDifficulty(context.Background())
-			if tt.errString != "" {
-				require.ErrorContains(t, tt.errString, err)
-			} else {
-				require.NoError(t, err)
-				require.DeepEqual(t, tt.wantExists, e)
-				require.DeepEqual(t, tt.wantTerminalBlockHash, b)
-			}
-		})
-	}
-}
-
 func TestServer_getTerminalBlockHashIfExists(t *testing.T) {
 	tests := []struct {
 		name                  string

beacon-chain/state/fieldtrie/BUILD.bazel

@@ -10,6 +10,7 @@ go_library(
     visibility = ["//beacon-chain:__subpackages__"],
     deps = [
         "//beacon-chain/state/state-native/custom-types:go_default_library",
+        "//beacon-chain/state/state-native/types:go_default_library",
         "//beacon-chain/state/stateutil:go_default_library",
         "//beacon-chain/state/types:go_default_library",
         "//crypto/hash:go_default_library",

beacon-chain/state/fieldtrie/field_trie.go

@@ -16,7 +16,7 @@ type FieldTrie struct {
 	*sync.RWMutex
 	reference   *stateutil.Reference
 	fieldLayers [][]*[32]byte
-	field       types.FieldIndex
+	field       types.FieldIdx
 	dataType    types.DataType
 	length      uint64
 	numOfElems  int
@@ -25,7 +25,7 @@ type FieldTrie struct {
 // NewFieldTrie is the constructor for the field trie data structure. It creates the corresponding
 // trie according to the given parameters. Depending on whether the field is a basic/composite array
 // which is either fixed/variable length, it will appropriately determine the trie.
-func NewFieldTrie(field types.FieldIndex, dataType types.DataType, elements interface{}, length uint64) (*FieldTrie, error) {
+func NewFieldTrie(field types.FieldIdx, dataType types.DataType, elements interface{}, length uint64) (*FieldTrie, error) {
 	if elements == nil {
 		return &FieldTrie{
 			field:      field,

beacon-chain/state/fieldtrie/field_trie_helpers.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/pkg/errors"
 	customtypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/custom-types"
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/types"
 	"github.com/prysmaticlabs/prysm/crypto/hash"
@@ -18,7 +19,7 @@ import (
 )
 
 // ProofFromMerkleLayers creates a proof starting at the leaf index of the state Merkle layers.
-func ProofFromMerkleLayers(layers [][][]byte, startingLeafIndex types.FieldIndex) [][]byte {
+func ProofFromMerkleLayers(layers [][][]byte, startingLeafIndex int) [][]byte {
 	// The merkle tree structure looks as follows:
 	// [[r1, r2, r3, r4], [parent1, parent2], [root]]
 	proof := make([][]byte, 0)
@@ -49,7 +50,7 @@ func (f *FieldTrie) validateIndices(idxs []uint64) error {
 	return nil
 }
 
-func validateElements(field types.FieldIndex, dataType types.DataType, elements interface{}, length uint64) error {
+func validateElements(field types.FieldIdx, dataType types.DataType, elements interface{}, length uint64) error {
 	if dataType == types.CompressedArray {
 		comLength, err := field.ElemsInChunk()
 		if err != nil {
@@ -65,68 +66,117 @@ func validateElements(field types.FieldIndex, dataType types.DataType, elements
 }
 
 // fieldConverters converts the corresponding field and the provided elements to the appropriate roots.
-func fieldConverters(field types.FieldIndex, indices []uint64, elements interface{}, convertAll bool) ([][32]byte, error) {
+func fieldConverters(field types.FieldIdx, indices []uint64, elements interface{}, convertAll bool) ([][32]byte, error) {
+	if field.Native() {
+		switch field {
+		case nativetypes.BlockRoots:
+			return convertBlockRoots(indices, elements, convertAll)
+		case nativetypes.StateRoots:
+			return convertStateRoots(indices, elements, convertAll)
+		case nativetypes.RandaoMixes:
+			return convertRandaoMixes(indices, elements, convertAll)
+		case nativetypes.Eth1DataVotes:
+			return convertEth1DataVotes(indices, elements, convertAll)
+		case nativetypes.Validators:
+			return convertValidators(indices, elements, convertAll)
+		case nativetypes.PreviousEpochAttestations, nativetypes.CurrentEpochAttestations:
+			return convertAttestations(indices, elements, convertAll)
+		case nativetypes.Balances:
+			return convertBalances(indices, elements, convertAll)
+		default:
+			return [][32]byte{}, errors.Errorf("got unsupported type of %v", reflect.TypeOf(elements).Name())
+		}
+	}
+
 	switch field {
 	case types.BlockRoots:
-		switch val := elements.(type) {
-		case [][]byte:
-			return handleByteArrays(val, indices, convertAll)
-		case *customtypes.BlockRoots:
-			return handle32ByteArrays(val[:], indices, convertAll)
-		default:
-			return nil, errors.Errorf("Incorrect type used for block roots")
-		}
+		return convertBlockRoots(indices, elements, convertAll)
 	case types.StateRoots:
-		switch val := elements.(type) {
-		case [][]byte:
-			return handleByteArrays(val, indices, convertAll)
-		case *customtypes.StateRoots:
-			return handle32ByteArrays(val[:], indices, convertAll)
-		default:
-			return nil, errors.Errorf("Incorrect type used for state roots")
-		}
+		return convertStateRoots(indices, elements, convertAll)
 	case types.RandaoMixes:
-		switch val := elements.(type) {
-		case [][]byte:
-			return handleByteArrays(val, indices, convertAll)
-		case *customtypes.RandaoMixes:
-			return handle32ByteArrays(val[:], indices, convertAll)
-		default:
-			return nil, errors.Errorf("Incorrect type used for randao mixes")
-		}
+		return convertRandaoMixes(indices, elements, convertAll)
 	case types.Eth1DataVotes:
-		val, ok := elements.([]*ethpb.Eth1Data)
-		if !ok {
-			return nil, errors.Errorf("Wanted type of %v but got %v",
-				reflect.TypeOf([]*ethpb.Eth1Data{}).Name(), reflect.TypeOf(elements).Name())
-		}
-		return handleEth1DataSlice(val, indices, convertAll)
+		return convertEth1DataVotes(indices, elements, convertAll)
 	case types.Validators:
-		val, ok := elements.([]*ethpb.Validator)
-		if !ok {
-			return nil, errors.Errorf("Wanted type of %v but got %v",
-				reflect.TypeOf([]*ethpb.Validator{}).Name(), reflect.TypeOf(elements).Name())
-		}
-		return handleValidatorSlice(val, indices, convertAll)
+		return convertValidators(indices, elements, convertAll)
 	case types.PreviousEpochAttestations, types.CurrentEpochAttestations:
-		val, ok := elements.([]*ethpb.PendingAttestation)
-		if !ok {
-			return nil, errors.Errorf("Wanted type of %v but got %v",
-				reflect.TypeOf([]*ethpb.PendingAttestation{}).Name(), reflect.TypeOf(elements).Name())
-		}
-		return handlePendingAttestationSlice(val, indices, convertAll)
+		return convertAttestations(indices, elements, convertAll)
 	case types.Balances:
-		val, ok := elements.([]uint64)
-		if !ok {
-			return nil, errors.Errorf("Wanted type of %v but got %v",
-				reflect.TypeOf([]uint64{}).Name(), reflect.TypeOf(elements).Name())
-		}
-		return handleBalanceSlice(val, indices, convertAll)
+		return convertBalances(indices, elements, convertAll)
 	default:
 		return [][32]byte{}, errors.Errorf("got unsupported type of %v", reflect.TypeOf(elements).Name())
 	}
 }
 
+func convertBlockRoots(indices []uint64, elements interface{}, convertAll bool) ([][32]byte, error) {
+	switch val := elements.(type) {
+	case [][]byte:
+		return handleByteArrays(val, indices, convertAll)
+	case *customtypes.BlockRoots:
+		return handle32ByteArrays(val[:], indices, convertAll)
+	default:
+		return nil, errors.Errorf("Incorrect type used for block roots")
+	}
+}
+
+func convertStateRoots(indices []uint64, elements interface{}, convertAll bool) ([][32]byte, error) {
+	switch val := elements.(type) {
+	case [][]byte:
+		return handleByteArrays(val, indices, convertAll)
+	case *customtypes.StateRoots:
+		return handle32ByteArrays(val[:], indices, convertAll)
+	default:
+		return nil, errors.Errorf("Incorrect type used for state roots")
+	}
+}
+
+func convertRandaoMixes(indices []uint64, elements interface{}, convertAll bool) ([][32]byte, error) {
+	switch val := elements.(type) {
+	case [][]byte:
+		return handleByteArrays(val, indices, convertAll)
+	case *customtypes.RandaoMixes:
+		return handle32ByteArrays(val[:], indices, convertAll)
+	default:
+		return nil, errors.Errorf("Incorrect type used for randao mixes")
+	}
+}
+
+func convertEth1DataVotes(indices []uint64, elements interface{}, convertAll bool) ([][32]byte, error) {
+	val, ok := elements.([]*ethpb.Eth1Data)
+	if !ok {
+		return nil, errors.Errorf("Wanted type of %v but got %v",
+			reflect.TypeOf([]*ethpb.Eth1Data{}).Name(), reflect.TypeOf(elements).Name())
+	}
+	return handleEth1DataSlice(val, indices, convertAll)
+}
+
+func convertValidators(indices []uint64, elements interface{}, convertAll bool) ([][32]byte, error) {
+	val, ok := elements.([]*ethpb.Validator)
+	if !ok {
+		return nil, errors.Errorf("Wanted type of %v but got %v",
+			reflect.TypeOf([]*ethpb.Validator{}).Name(), reflect.TypeOf(elements).Name())
+	}
+	return handleValidatorSlice(val, indices, convertAll)
+}
+
+func convertAttestations(indices []uint64, elements interface{}, convertAll bool) ([][32]byte, error) {
+	val, ok := elements.([]*ethpb.PendingAttestation)
+	if !ok {
+		return nil, errors.Errorf("Wanted type of %v but got %v",
+			reflect.TypeOf([]*ethpb.PendingAttestation{}).Name(), reflect.TypeOf(elements).Name())
+	}
+	return handlePendingAttestationSlice(val, indices, convertAll)
+}
+
+func convertBalances(indices []uint64, elements interface{}, convertAll bool) ([][32]byte, error) {
+	val, ok := elements.([]uint64)
+	if !ok {
+		return nil, errors.Errorf("Wanted type of %v but got %v",
+			reflect.TypeOf([]uint64{}).Name(), reflect.TypeOf(elements).Name())
+	}
+	return handleBalanceSlice(val, indices, convertAll)
+}
+
 // handleByteArrays computes and returns byte arrays in a slice of root format.
 func handleByteArrays(val [][]byte, indices []uint64, convertAll bool) ([][32]byte, error) {
 	length := len(indices)

beacon-chain/state/fieldtrie/field_trie_test.go

@@ -18,7 +18,7 @@ func TestFieldTrie_NewTrie(t *testing.T) {
 	newState, _ := util.DeterministicGenesisState(t, 40)
 
 	// 5 represents the enum value of state roots
-	trie, err := fieldtrie.NewFieldTrie(5, stateTypes.BasicArray, newState.StateRoots(), uint64(params.BeaconConfig().SlotsPerHistoricalRoot))
+	trie, err := fieldtrie.NewFieldTrie(stateTypes.FieldIndex(5), stateTypes.BasicArray, newState.StateRoots(), uint64(params.BeaconConfig().SlotsPerHistoricalRoot))
 	require.NoError(t, err)
 	root, err := stateutil.RootsArrayHashTreeRoot(newState.StateRoots(), uint64(params.BeaconConfig().SlotsPerHistoricalRoot))
 	require.NoError(t, err)
@@ -30,7 +30,7 @@ func TestFieldTrie_NewTrie(t *testing.T) {
 func TestFieldTrie_RecomputeTrie(t *testing.T) {
 	newState, _ := util.DeterministicGenesisState(t, 32)
 	// 10 represents the enum value of validators
-	trie, err := fieldtrie.NewFieldTrie(11, stateTypes.CompositeArray, newState.Validators(), params.BeaconConfig().ValidatorRegistryLimit)
+	trie, err := fieldtrie.NewFieldTrie(stateTypes.FieldIndex(11), stateTypes.CompositeArray, newState.Validators(), params.BeaconConfig().ValidatorRegistryLimit)
 	require.NoError(t, err)
 
 	changedIdx := []uint64{2, 29}
@@ -58,7 +58,7 @@ func TestFieldTrie_RecomputeTrie(t *testing.T) {
 func TestFieldTrie_CopyTrieImmutable(t *testing.T) {
 	newState, _ := util.DeterministicGenesisState(t, 32)
 	// 12 represents the enum value of randao mixes.
-	trie, err := fieldtrie.NewFieldTrie(13, stateTypes.BasicArray, newState.RandaoMixes(), uint64(params.BeaconConfig().EpochsPerHistoricalVector))
+	trie, err := fieldtrie.NewFieldTrie(stateTypes.FieldIndex(13), stateTypes.BasicArray, newState.RandaoMixes(), uint64(params.BeaconConfig().EpochsPerHistoricalVector))
 	require.NoError(t, err)
 
 	newTrie := trie.CopyTrie()

beacon-chain/state/state-native/BUILD.bazel

@@ -0,0 +1,76 @@
+load("@prysm//tools/go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "doc.go",
+        "getters_attestation.go",
+        "getters_block.go",
+        "getters_checkpoint.go",
+        "getters_eth1.go",
+        "getters_misc.go",
+        "getters_participation.go",
+        "getters_payload_header.go",
+        "getters_randao.go",
+        "getters_state.go",
+        "getters_sync_committee.go",
+        "getters_validator.go",
+        "proofs.go",
+        "readonly_validator.go",
+        "setters_attestation.go",
+        "setters_block.go",
+        "setters_checkpoint.go",
+        "setters_eth1.go",
+        "setters_misc.go",
+        "setters_participation.go",
+        "setters_payload_header.go",
+        "setters_randao.go",
+        "setters_state.go",
+        "setters_sync_committee.go",
+        "setters_validator.go",
+        "ssz.go",
+        "state_trie.go",
+        "types.go",
+    ] + select({
+        "//config:mainnet": ["beacon_state_mainnet.go"],
+        "//config:minimal": ["beacon_state_minimal.go"],
+    }),
+    importpath = "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native",
+    visibility = [
+        "//beacon-chain:__subpackages__",
+        "//contracts/deposit:__subpackages__",
+        "//proto/migration:__subpackages__",
+        "//proto/prysm/v1alpha1:__subpackages__",
+        "//proto/testing:__subpackages__",
+        "//runtime/interop:__subpackages__",
+        "//slasher/rpc:__subpackages__",
+        "//testing/benchmark:__pkg__",
+        "//testing/fuzz:__pkg__",
+        "//testing/spectest:__subpackages__",
+        "//testing/util:__pkg__",
+        "//tools/benchmark-files-gen:__pkg__",
+        "//tools/pcli:__pkg__",
+    ],
+    deps = [
+        "//beacon-chain/state:go_default_library",
+        "//beacon-chain/state/fieldtrie:go_default_library",
+        "//beacon-chain/state/state-native/custom-types:go_default_library",
+        "//beacon-chain/state/state-native/types:go_default_library",
+        "//beacon-chain/state/stateutil:go_default_library",
+        "//beacon-chain/state/types:go_default_library",
+        "//config/features:go_default_library",
+        "//config/fieldparams:go_default_library",
+        "//config/params:go_default_library",
+        "//container/slice:go_default_library",
+        "//crypto/hash:go_default_library",
+        "//encoding/bytesutil:go_default_library",
+        "//encoding/ssz:go_default_library",
+        "//proto/prysm/v1alpha1:go_default_library",
+        "//runtime/version:go_default_library",
+        "@com_github_pkg_errors//:go_default_library",
+        "@com_github_prysmaticlabs_eth2_types//:go_default_library",
+        "@com_github_prysmaticlabs_go_bitfield//:go_default_library",
+        "@io_opencensus_go//trace:go_default_library",
+        "@org_golang_google_protobuf//proto:go_default_library",
+    ],
+)

beacon-chain/state/state-native/beacon_state_mainnet.go

@@ -1,7 +1,7 @@
 //go:build !minimal
 // +build !minimal
 
-package v3
+package state_native
 
 import (
 	"sync"
@@ -10,14 +10,15 @@ import (
 	"github.com/prysmaticlabs/go-bitfield"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/fieldtrie"
 	customtypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/custom-types"
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/types"
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
 )
 
-// BeaconState defines a struct containing utilities for the eth2 chain state, defining
+// BeaconState defines a struct containing utilities for the Ethereum Beacon Chain state, defining
 // getters and setters for its respective values and helpful functions such as HashTreeRoot().
 type BeaconState struct {
+	version                      int
 	genesisTime                  uint64                        `ssz-gen:"true"`
 	genesisValidatorsRoot        customtypes.Byte32            `ssz-gen:"true" ssz-size:"32"`
 	slot                         eth2types.Slot                `ssz-gen:"true"`
@@ -33,6 +34,8 @@ type BeaconState struct {
 	balances                     []uint64                      `ssz-gen:"true" ssz-max:"1099511627776"`
 	randaoMixes                  *customtypes.RandaoMixes      `ssz-gen:"true" ssz-size:"65536,32"`
 	slashings                    []uint64                      `ssz-gen:"true" ssz-size:"8192"`
+	previousEpochAttestations    []*ethpb.PendingAttestation   `ssz-gen:"true" ssz-max:"4096"`
+	currentEpochAttestations     []*ethpb.PendingAttestation   `ssz-gen:"true" ssz-max:"4096"`
 	previousEpochParticipation   []byte                        `ssz-gen:"true" ssz-max:"1099511627776"`
 	currentEpochParticipation    []byte                        `ssz-gen:"true" ssz-max:"1099511627776"`
 	justificationBits            bitfield.Bitvector4           `ssz-gen:"true" ssz-size:"1"`
@@ -45,11 +48,12 @@ type BeaconState struct {
 	latestExecutionPayloadHeader *ethpb.ExecutionPayloadHeader `ssz-gen:"true"`
 
 	lock                  sync.RWMutex
-	dirtyFields           map[types.FieldIndex]bool
-	dirtyIndices          map[types.FieldIndex][]uint64
-	stateFieldLeaves      map[types.FieldIndex]*fieldtrie.FieldTrie
-	rebuildTrie           map[types.FieldIndex]bool
+	fieldIndexesRev       map[nativetypes.FieldIndex]int
+	dirtyFields           map[nativetypes.FieldIndex]bool
+	dirtyIndices          map[nativetypes.FieldIndex][]uint64
+	stateFieldLeaves      map[nativetypes.FieldIndex]*fieldtrie.FieldTrie
+	rebuildTrie           map[nativetypes.FieldIndex]bool
 	valMapHandler         *stateutil.ValidatorMapHandler
 	merkleLayers          [][][]byte
-	sharedFieldReferences map[types.FieldIndex]*stateutil.Reference
+	sharedFieldReferences map[nativetypes.FieldIndex]*stateutil.Reference
 }

beacon-chain/state/state-native/beacon_state_minimal.go

@@ -1,7 +1,7 @@
 //go:build minimal
 // +build minimal
 
-package v3
+package state_native
 
 import (
 	"sync"
@@ -10,14 +10,15 @@ import (
 	"github.com/prysmaticlabs/go-bitfield"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/fieldtrie"
 	customtypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/custom-types"
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/types"
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
 )
 
-// BeaconState defines a struct containing utilities for the eth2 chain state, defining
+// BeaconState defines a struct containing utilities for the Ethereum Beacon Chain state, defining
 // getters and setters for its respective values and helpful functions such as HashTreeRoot().
 type BeaconState struct {
+	version                      int
 	genesisTime                  uint64                        `ssz-gen:"true"`
 	genesisValidatorsRoot        customtypes.Byte32            `ssz-gen:"true" ssz-size:"32"`
 	slot                         eth2types.Slot                `ssz-gen:"true"`
@@ -33,6 +34,8 @@ type BeaconState struct {
 	balances                     []uint64                      `ssz-gen:"true" ssz-max:"1099511627776"`
 	randaoMixes                  *customtypes.RandaoMixes      `ssz-gen:"true" ssz-size:"64,32"`
 	slashings                    []uint64                      `ssz-gen:"true" ssz-size:"64"`
+	previousEpochAttestations    []*ethpb.PendingAttestation   `ssz-gen:"true" ssz-max:"1024"`
+	currentEpochAttestations     []*ethpb.PendingAttestation   `ssz-gen:"true" ssz-max:"1024"`
 	previousEpochParticipation   []byte                        `ssz-gen:"true" ssz-max:"1099511627776"`
 	currentEpochParticipation    []byte                        `ssz-gen:"true" ssz-max:"1099511627776"`
 	justificationBits            bitfield.Bitvector4           `ssz-gen:"true" ssz-size:"1"`
@@ -45,11 +48,12 @@ type BeaconState struct {
 	latestExecutionPayloadHeader *ethpb.ExecutionPayloadHeader `ssz-gen:"true"`
 
 	lock                  sync.RWMutex
-	dirtyFields           map[types.FieldIndex]bool
-	dirtyIndices          map[types.FieldIndex][]uint64
-	stateFieldLeaves      map[types.FieldIndex]*fieldtrie.FieldTrie
-	rebuildTrie           map[types.FieldIndex]bool
+	fieldIndexesRev       map[nativetypes.FieldIndex]int
+	dirtyFields           map[nativetypes.FieldIndex]bool
+	dirtyIndices          map[nativetypes.FieldIndex][]uint64
+	stateFieldLeaves      map[nativetypes.FieldIndex]*fieldtrie.FieldTrie
+	rebuildTrie           map[nativetypes.FieldIndex]bool
 	valMapHandler         *stateutil.ValidatorMapHandler
 	merkleLayers          [][][]byte
-	sharedFieldReferences map[types.FieldIndex]*stateutil.Reference
+	sharedFieldReferences map[nativetypes.FieldIndex]*stateutil.Reference
 }

beacon-chain/state/state-native/doc.go

@@ -37,4 +37,4 @@
 // Although it is technically possible to remove the short-circuit conditions
 // from the external function, that would require every read to obtain a lock
 // even if the data was not present, leading to potential slowdowns.
-package v1
+package state_native

beacon-chain/state/state-native/getters_attestation.go

@@ -1,4 +1,4 @@
-package v1
+package state_native
 
 import (
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"

beacon-chain/state/state-native/getters_block.go

@@ -1,4 +1,4 @@
-package v1
+package state_native
 
 import (
 	"fmt"

beacon-chain/state/state-native/getters_checkpoint.go

@@ -1,4 +1,4 @@
-package v3
+package state_native
 
 import (
 	"bytes"

beacon-chain/state/state-native/getters_eth1.go

@@ -1,4 +1,4 @@
-package v2
+package state_native
 
 import (
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"

beacon-chain/state/state-native/getters_misc.go

@@ -1,9 +1,8 @@
-package v1
+package state_native
 
 import (
 	types "github.com/prysmaticlabs/eth2-types"
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/runtime/version"
 )
 
 // GenesisTime of the beacon state as a uint64.
@@ -25,8 +24,8 @@ func (b *BeaconState) GenesisValidatorsRoot() []byte {
 // Version of the beacon state. This method
 // is strictly meant to be used without a lock
 // internally.
-func (_ *BeaconState) Version() int {
-	return version.Phase0
+func (b *BeaconState) Version() int {
+	return b.version
 }
 
 // Slot of the current beacon chain state.

beacon-chain/state/state-native/getters_participation.go

@@ -1,4 +1,4 @@
-package v2
+package state_native
 
 // CurrentEpochParticipation corresponding to participation bits on the beacon chain.
 func (b *BeaconState) CurrentEpochParticipation() ([]byte, error) {

beacon-chain/state/state-native/getters_payload_header.go

@@ -1,4 +1,4 @@
-package v3
+package state_native
 
 import (
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"

beacon-chain/state/state-native/getters_randao.go

@@ -1,4 +1,4 @@
-package v3
+package state_native
 
 import (
 	"fmt"

beacon-chain/state/state-native/getters_state.go

@@ -1,4 +1,4 @@
-package v1
+package state_native
 
 import (
 	"fmt"
@@ -116,9 +116,9 @@ func (b *BeaconState) stateRootAtIndex(idx uint64) ([32]byte, error) {
 	return b.stateRoots[idx], nil
 }
 
-// ProtobufBeaconState transforms an input into beacon state in the form of protobuf.
+// ProtobufBeaconStatePhase0 transforms an input into beacon state in the form of protobuf.
 // Error is returned if the input is not type protobuf beacon state.
-func ProtobufBeaconState(s interface{}) (*ethpb.BeaconState, error) {
+func ProtobufBeaconStatePhase0(s interface{}) (*ethpb.BeaconState, error) {
 	pbState, ok := s.(*ethpb.BeaconState)
 	if !ok {
 		return nil, errors.New("input is not type ethpb.BeaconState")

beacon-chain/state/state-native/getters_sync_committee.go

@@ -1,4 +1,4 @@
-package v3
+package state_native
 
 import (
 	"github.com/prysmaticlabs/prysm/encoding/bytesutil"

beacon-chain/state/state-native/getters_validator.go

@@ -1,4 +1,4 @@
-package v3
+package state_native
 
 import (
 	"fmt"
@@ -6,7 +6,6 @@ import (
 	"github.com/pkg/errors"
 	types "github.com/prysmaticlabs/eth2-types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	v1 "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/v1"
 	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
 	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
@@ -111,7 +110,7 @@ func (b *BeaconState) ValidatorAtIndexReadOnly(idx types.ValidatorIndex) (state.
 	b.lock.RLock()
 	defer b.lock.RUnlock()
 
-	return v1.NewValidator(b.validators[idx])
+	return NewValidator(b.validators[idx])
 }
 
 // ValidatorIndexByPubkey returns a given validator by its 48-byte public key.
@@ -164,7 +163,7 @@ func (b *BeaconState) ReadFromEveryValidator(f func(idx int, val state.ReadOnlyV
 	b.lock.RUnlock()
 
 	for i, v := range validators {
-		v, err := v1.NewValidator(v)
+		v, err := NewValidator(v)
 		if err != nil {
 			return err
 		}

beacon-chain/state/state-native/proofs.go

@@ -1,4 +1,4 @@
-package v1
+package state_native
 
 import (
 	"context"
@@ -6,6 +6,7 @@ import (
 
 	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/fieldtrie"
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
 )
 
@@ -48,7 +49,7 @@ func (b *BeaconState) FinalizedRootProof(ctx context.Context) ([][]byte, error)
 	epochRoot := bytesutil.ToBytes32(epochBuf)
 	proof := make([][]byte, 0)
 	proof = append(proof, epochRoot[:])
-	branch := fieldtrie.ProofFromMerkleLayers(b.merkleLayers, finalizedCheckpoint)
+	branch := fieldtrie.ProofFromMerkleLayers(b.merkleLayers, b.fieldIndexesRev[nativetypes.FinalizedCheckpoint])
 	proof = append(proof, branch...)
 	return proof, nil
 }

beacon-chain/state/state-native/readonly_validator.go

@@ -1,4 +1,4 @@
-package v1
+package state_native
 
 import (
 	"github.com/pkg/errors"

beacon-chain/state/state-native/setters_attestation.go

@@ -1,8 +1,9 @@
-package v1
+package state_native
 
 import (
 	"fmt"
 
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
 	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
@@ -20,21 +21,21 @@ func (b *BeaconState) RotateAttestations() error {
 }
 
 func (b *BeaconState) setPreviousEpochAttestations(val []*ethpb.PendingAttestation) {
-	b.sharedFieldReferences[previousEpochAttestations].MinusRef()
-	b.sharedFieldReferences[previousEpochAttestations] = stateutil.NewRef(1)
+	b.sharedFieldReferences[nativetypes.PreviousEpochAttestations].MinusRef()
+	b.sharedFieldReferences[nativetypes.PreviousEpochAttestations] = stateutil.NewRef(1)
 
 	b.previousEpochAttestations = val
-	b.markFieldAsDirty(previousEpochAttestations)
-	b.rebuildTrie[previousEpochAttestations] = true
+	b.markFieldAsDirty(nativetypes.PreviousEpochAttestations)
+	b.rebuildTrie[nativetypes.PreviousEpochAttestations] = true
 }
 
 func (b *BeaconState) setCurrentEpochAttestations(val []*ethpb.PendingAttestation) {
-	b.sharedFieldReferences[currentEpochAttestations].MinusRef()
-	b.sharedFieldReferences[currentEpochAttestations] = stateutil.NewRef(1)
+	b.sharedFieldReferences[nativetypes.CurrentEpochAttestations].MinusRef()
+	b.sharedFieldReferences[nativetypes.CurrentEpochAttestations] = stateutil.NewRef(1)
 
 	b.currentEpochAttestations = val
-	b.markFieldAsDirty(currentEpochAttestations)
-	b.rebuildTrie[currentEpochAttestations] = true
+	b.markFieldAsDirty(nativetypes.CurrentEpochAttestations)
+	b.rebuildTrie[nativetypes.CurrentEpochAttestations] = true
 }
 
 // AppendCurrentEpochAttestations for the beacon state. Appends the new value
@@ -49,17 +50,17 @@ func (b *BeaconState) AppendCurrentEpochAttestations(val *ethpb.PendingAttestati
 		return fmt.Errorf("current pending attestation exceeds max length %d", max)
 	}
 
-	if b.sharedFieldReferences[currentEpochAttestations].Refs() > 1 {
+	if b.sharedFieldReferences[nativetypes.CurrentEpochAttestations].Refs() > 1 {
 		// Copy elements in underlying array by reference.
 		atts = make([]*ethpb.PendingAttestation, len(b.currentEpochAttestations))
 		copy(atts, b.currentEpochAttestations)
-		b.sharedFieldReferences[currentEpochAttestations].MinusRef()
-		b.sharedFieldReferences[currentEpochAttestations] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.CurrentEpochAttestations].MinusRef()
+		b.sharedFieldReferences[nativetypes.CurrentEpochAttestations] = stateutil.NewRef(1)
 	}
 
 	b.currentEpochAttestations = append(atts, val)
-	b.markFieldAsDirty(currentEpochAttestations)
-	b.addDirtyIndices(currentEpochAttestations, []uint64{uint64(len(b.currentEpochAttestations) - 1)})
+	b.markFieldAsDirty(nativetypes.CurrentEpochAttestations)
+	b.addDirtyIndices(nativetypes.CurrentEpochAttestations, []uint64{uint64(len(b.currentEpochAttestations) - 1)})
 	return nil
 }
 
@@ -75,15 +76,15 @@ func (b *BeaconState) AppendPreviousEpochAttestations(val *ethpb.PendingAttestat
 		return fmt.Errorf("previous pending attestation exceeds max length %d", max)
 	}
 
-	if b.sharedFieldReferences[previousEpochAttestations].Refs() > 1 {
+	if b.sharedFieldReferences[nativetypes.PreviousEpochAttestations].Refs() > 1 {
 		atts = make([]*ethpb.PendingAttestation, len(b.previousEpochAttestations))
 		copy(atts, b.previousEpochAttestations)
-		b.sharedFieldReferences[previousEpochAttestations].MinusRef()
-		b.sharedFieldReferences[previousEpochAttestations] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.PreviousEpochAttestations].MinusRef()
+		b.sharedFieldReferences[nativetypes.PreviousEpochAttestations] = stateutil.NewRef(1)
 	}
 
 	b.previousEpochAttestations = append(atts, val)
-	b.markFieldAsDirty(previousEpochAttestations)
-	b.addDirtyIndices(previousEpochAttestations, []uint64{uint64(len(b.previousEpochAttestations) - 1)})
+	b.markFieldAsDirty(nativetypes.PreviousEpochAttestations)
+	b.addDirtyIndices(nativetypes.PreviousEpochAttestations, []uint64{uint64(len(b.previousEpochAttestations) - 1)})
 	return nil
 }

beacon-chain/state/state-native/setters_block.go

@@ -1,9 +1,10 @@
-package v1
+package state_native
 
 import (
 	"fmt"
 
 	customtypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/custom-types"
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
 	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
@@ -15,7 +16,7 @@ func (b *BeaconState) SetLatestBlockHeader(val *ethpb.BeaconBlockHeader) error {
 	defer b.lock.Unlock()
 
 	b.latestBlockHeader = ethpb.CopyBeaconBlockHeader(val)
-	b.markFieldAsDirty(latestBlockHeader)
+	b.markFieldAsDirty(nativetypes.LatestBlockHeader)
 	return nil
 }
 
@@ -25,8 +26,8 @@ func (b *BeaconState) SetBlockRoots(val [][]byte) error {
 	b.lock.Lock()
 	defer b.lock.Unlock()
 
-	b.sharedFieldReferences[blockRoots].MinusRef()
-	b.sharedFieldReferences[blockRoots] = stateutil.NewRef(1)
+	b.sharedFieldReferences[nativetypes.BlockRoots].MinusRef()
+	b.sharedFieldReferences[nativetypes.BlockRoots] = stateutil.NewRef(1)
 
 	var rootsArr [fieldparams.BlockRootsLength][32]byte
 	for i := 0; i < len(rootsArr); i++ {
@@ -34,8 +35,8 @@ func (b *BeaconState) SetBlockRoots(val [][]byte) error {
 	}
 	roots := customtypes.BlockRoots(rootsArr)
 	b.blockRoots = &roots
-	b.markFieldAsDirty(blockRoots)
-	b.rebuildTrie[blockRoots] = true
+	b.markFieldAsDirty(nativetypes.BlockRoots)
+	b.rebuildTrie[nativetypes.BlockRoots] = true
 	return nil
 }
 
@@ -49,19 +50,19 @@ func (b *BeaconState) UpdateBlockRootAtIndex(idx uint64, blockRoot [32]byte) err
 	defer b.lock.Unlock()
 
 	r := b.blockRoots
-	if ref := b.sharedFieldReferences[blockRoots]; ref.Refs() > 1 {
+	if ref := b.sharedFieldReferences[nativetypes.BlockRoots]; ref.Refs() > 1 {
 		// Copy elements in underlying array by reference.
 		roots := *b.blockRoots
 		rootsCopy := roots
 		r = &rootsCopy
 		ref.MinusRef()
-		b.sharedFieldReferences[blockRoots] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.BlockRoots] = stateutil.NewRef(1)
 	}
 
 	r[idx] = blockRoot
 	b.blockRoots = r
 
-	b.markFieldAsDirty(blockRoots)
-	b.addDirtyIndices(blockRoots, []uint64{idx})
+	b.markFieldAsDirty(nativetypes.BlockRoots)
+	b.addDirtyIndices(nativetypes.BlockRoots, []uint64{idx})
 	return nil
 }

beacon-chain/state/state-native/setters_checkpoint.go

@@ -1,7 +1,8 @@
-package v2
+package state_native
 
 import (
 	"github.com/prysmaticlabs/go-bitfield"
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
 )
 
@@ -11,7 +12,7 @@ func (b *BeaconState) SetJustificationBits(val bitfield.Bitvector4) error {
 	defer b.lock.Unlock()
 
 	b.justificationBits = val
-	b.markFieldAsDirty(justificationBits)
+	b.markFieldAsDirty(nativetypes.JustificationBits)
 	return nil
 }
 
@@ -21,7 +22,7 @@ func (b *BeaconState) SetPreviousJustifiedCheckpoint(val *ethpb.Checkpoint) erro
 	defer b.lock.Unlock()
 
 	b.previousJustifiedCheckpoint = val
-	b.markFieldAsDirty(previousJustifiedCheckpoint)
+	b.markFieldAsDirty(nativetypes.PreviousJustifiedCheckpoint)
 	return nil
 }
 
@@ -31,7 +32,7 @@ func (b *BeaconState) SetCurrentJustifiedCheckpoint(val *ethpb.Checkpoint) error
 	defer b.lock.Unlock()
 
 	b.currentJustifiedCheckpoint = val
-	b.markFieldAsDirty(currentJustifiedCheckpoint)
+	b.markFieldAsDirty(nativetypes.CurrentJustifiedCheckpoint)
 	return nil
 }
 
@@ -41,6 +42,6 @@ func (b *BeaconState) SetFinalizedCheckpoint(val *ethpb.Checkpoint) error {
 	defer b.lock.Unlock()
 
 	b.finalizedCheckpoint = val
-	b.markFieldAsDirty(finalizedCheckpoint)
+	b.markFieldAsDirty(nativetypes.FinalizedCheckpoint)
 	return nil
 }

beacon-chain/state/state-native/setters_eth1.go

@@ -1,6 +1,7 @@
-package v3
+package state_native
 
 import (
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
 )
@@ -11,7 +12,7 @@ func (b *BeaconState) SetEth1Data(val *ethpb.Eth1Data) error {
 	defer b.lock.Unlock()
 
 	b.eth1Data = val
-	b.markFieldAsDirty(eth1Data)
+	b.markFieldAsDirty(nativetypes.Eth1Data)
 	return nil
 }
 
@@ -21,12 +22,12 @@ func (b *BeaconState) SetEth1DataVotes(val []*ethpb.Eth1Data) error {
 	b.lock.Lock()
 	defer b.lock.Unlock()
 
-	b.sharedFieldReferences[eth1DataVotes].MinusRef()
-	b.sharedFieldReferences[eth1DataVotes] = stateutil.NewRef(1)
+	b.sharedFieldReferences[nativetypes.Eth1DataVotes].MinusRef()
+	b.sharedFieldReferences[nativetypes.Eth1DataVotes] = stateutil.NewRef(1)
 
 	b.eth1DataVotes = val
-	b.markFieldAsDirty(eth1DataVotes)
-	b.rebuildTrie[eth1DataVotes] = true
+	b.markFieldAsDirty(nativetypes.Eth1DataVotes)
+	b.rebuildTrie[nativetypes.Eth1DataVotes] = true
 	return nil
 }
 
@@ -36,7 +37,7 @@ func (b *BeaconState) SetEth1DepositIndex(val uint64) error {
 	defer b.lock.Unlock()
 
 	b.eth1DepositIndex = val
-	b.markFieldAsDirty(eth1DepositIndex)
+	b.markFieldAsDirty(nativetypes.Eth1DepositIndex)
 	return nil
 }
 
@@ -47,16 +48,16 @@ func (b *BeaconState) AppendEth1DataVotes(val *ethpb.Eth1Data) error {
 	defer b.lock.Unlock()
 
 	votes := b.eth1DataVotes
-	if b.sharedFieldReferences[eth1DataVotes].Refs() > 1 {
+	if b.sharedFieldReferences[nativetypes.Eth1DataVotes].Refs() > 1 {
 		// Copy elements in underlying array by reference.
 		votes = make([]*ethpb.Eth1Data, len(b.eth1DataVotes))
 		copy(votes, b.eth1DataVotes)
-		b.sharedFieldReferences[eth1DataVotes].MinusRef()
-		b.sharedFieldReferences[eth1DataVotes] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.Eth1DataVotes].MinusRef()
+		b.sharedFieldReferences[nativetypes.Eth1DataVotes] = stateutil.NewRef(1)
 	}
 
 	b.eth1DataVotes = append(votes, val)
-	b.markFieldAsDirty(eth1DataVotes)
-	b.addDirtyIndices(eth1DataVotes, []uint64{uint64(len(b.eth1DataVotes) - 1)})
+	b.markFieldAsDirty(nativetypes.Eth1DataVotes)
+	b.addDirtyIndices(nativetypes.Eth1DataVotes, []uint64{uint64(len(b.eth1DataVotes) - 1)})
 	return nil
 }

beacon-chain/state/state-native/setters_misc.go

@@ -1,10 +1,10 @@
-package v1
+package state_native
 
 import (
 	"github.com/pkg/errors"
 	types "github.com/prysmaticlabs/eth2-types"
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
-	stateTypes "github.com/prysmaticlabs/prysm/beacon-chain/state/types"
 	"github.com/prysmaticlabs/prysm/config/features"
 	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
 	"github.com/prysmaticlabs/prysm/crypto/hash"
@@ -47,7 +47,7 @@ func (b *BeaconState) SetGenesisTime(val uint64) error {
 	defer b.lock.Unlock()
 
 	b.genesisTime = val
-	b.markFieldAsDirty(genesisTime)
+	b.markFieldAsDirty(nativetypes.GenesisTime)
 	return nil
 }
 
@@ -60,7 +60,7 @@ func (b *BeaconState) SetGenesisValidatorsRoot(val []byte) error {
 		return errors.New("incorrect validators root length")
 	}
 	b.genesisValidatorsRoot = bytesutil.ToBytes32(val)
-	b.markFieldAsDirty(genesisValidatorsRoot)
+	b.markFieldAsDirty(nativetypes.GenesisValidatorsRoot)
 	return nil
 }
 
@@ -70,7 +70,7 @@ func (b *BeaconState) SetSlot(val types.Slot) error {
 	defer b.lock.Unlock()
 
 	b.slot = val
-	b.markFieldAsDirty(slot)
+	b.markFieldAsDirty(nativetypes.Slot)
 	return nil
 }
 
@@ -84,7 +84,7 @@ func (b *BeaconState) SetFork(val *ethpb.Fork) error {
 		return errors.New("proto.Clone did not return a fork proto")
 	}
 	b.fork = fk
-	b.markFieldAsDirty(fork)
+	b.markFieldAsDirty(nativetypes.Fork)
 	return nil
 }
 
@@ -94,15 +94,15 @@ func (b *BeaconState) SetHistoricalRoots(val [][]byte) error {
 	b.lock.Lock()
 	defer b.lock.Unlock()
 
-	b.sharedFieldReferences[historicalRoots].MinusRef()
-	b.sharedFieldReferences[historicalRoots] = stateutil.NewRef(1)
+	b.sharedFieldReferences[nativetypes.HistoricalRoots].MinusRef()
+	b.sharedFieldReferences[nativetypes.HistoricalRoots] = stateutil.NewRef(1)
 
 	roots := make([][32]byte, len(val))
 	for i, r := range val {
 		copy(roots[i][:], r)
 	}
 	b.historicalRoots = roots
-	b.markFieldAsDirty(historicalRoots)
+	b.markFieldAsDirty(nativetypes.HistoricalRoots)
 	return nil
 }
 
@@ -113,15 +113,15 @@ func (b *BeaconState) AppendHistoricalRoots(root [32]byte) error {
 	defer b.lock.Unlock()
 
 	roots := b.historicalRoots
-	if b.sharedFieldReferences[historicalRoots].Refs() > 1 {
+	if b.sharedFieldReferences[nativetypes.HistoricalRoots].Refs() > 1 {
 		roots = make([][32]byte, len(b.historicalRoots))
 		copy(roots, b.historicalRoots)
-		b.sharedFieldReferences[historicalRoots].MinusRef()
-		b.sharedFieldReferences[historicalRoots] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.HistoricalRoots].MinusRef()
+		b.sharedFieldReferences[nativetypes.HistoricalRoots] = stateutil.NewRef(1)
 	}
 
 	b.historicalRoots = append(roots, root)
-	b.markFieldAsDirty(historicalRoots)
+	b.markFieldAsDirty(nativetypes.HistoricalRoots)
 	return nil
 }
 
@@ -160,18 +160,18 @@ func (b *BeaconState) recomputeRoot(idx int) {
 	b.merkleLayers = layers
 }
 
-func (b *BeaconState) markFieldAsDirty(field stateTypes.FieldIndex) {
+func (b *BeaconState) markFieldAsDirty(field nativetypes.FieldIndex) {
 	b.dirtyFields[field] = true
 }
 
 // addDirtyIndices adds the relevant dirty field indices, so that they
 // can be recomputed.
-func (b *BeaconState) addDirtyIndices(index stateTypes.FieldIndex, indices []uint64) {
+func (b *BeaconState) addDirtyIndices(index nativetypes.FieldIndex, indices []uint64) {
 	if b.rebuildTrie[index] {
 		return
 	}
 	// Exit early if balance trie computation isn't enabled.
-	if !features.Get().EnableBalanceTrieComputation && index == balances {
+	if !features.Get().EnableBalanceTrieComputation && index == nativetypes.Balances {
 		return
 	}
 	totalIndicesLen := len(b.dirtyIndices[index]) + len(indices)

beacon-chain/state/state-native/setters_participation.go

@@ -1,6 +1,7 @@
-package v2
+package state_native
 
 import (
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
 )
 
@@ -10,12 +11,12 @@ func (b *BeaconState) SetPreviousParticipationBits(val []byte) error {
 	b.lock.Lock()
 	defer b.lock.Unlock()
 
-	b.sharedFieldReferences[previousEpochParticipationBits].MinusRef()
-	b.sharedFieldReferences[previousEpochParticipationBits] = stateutil.NewRef(1)
+	b.sharedFieldReferences[nativetypes.PreviousEpochParticipationBits].MinusRef()
+	b.sharedFieldReferences[nativetypes.PreviousEpochParticipationBits] = stateutil.NewRef(1)
 
 	b.previousEpochParticipation = val
-	b.markFieldAsDirty(previousEpochParticipationBits)
-	b.rebuildTrie[previousEpochParticipationBits] = true
+	b.markFieldAsDirty(nativetypes.PreviousEpochParticipationBits)
+	b.rebuildTrie[nativetypes.PreviousEpochParticipationBits] = true
 	return nil
 }
 
@@ -25,12 +26,12 @@ func (b *BeaconState) SetCurrentParticipationBits(val []byte) error {
 	b.lock.Lock()
 	defer b.lock.Unlock()
 
-	b.sharedFieldReferences[currentEpochParticipationBits].MinusRef()
-	b.sharedFieldReferences[currentEpochParticipationBits] = stateutil.NewRef(1)
+	b.sharedFieldReferences[nativetypes.CurrentEpochParticipationBits].MinusRef()
+	b.sharedFieldReferences[nativetypes.CurrentEpochParticipationBits] = stateutil.NewRef(1)
 
 	b.currentEpochParticipation = val
-	b.markFieldAsDirty(currentEpochParticipationBits)
-	b.rebuildTrie[currentEpochParticipationBits] = true
+	b.markFieldAsDirty(nativetypes.CurrentEpochParticipationBits)
+	b.rebuildTrie[nativetypes.CurrentEpochParticipationBits] = true
 	return nil
 }
 
@@ -41,17 +42,17 @@ func (b *BeaconState) AppendCurrentParticipationBits(val byte) error {
 	defer b.lock.Unlock()
 
 	participation := b.currentEpochParticipation
-	if b.sharedFieldReferences[currentEpochParticipationBits].Refs() > 1 {
+	if b.sharedFieldReferences[nativetypes.CurrentEpochParticipationBits].Refs() > 1 {
 		// Copy elements in underlying array by reference.
 		participation = make([]byte, len(b.currentEpochParticipation))
 		copy(participation, b.currentEpochParticipation)
-		b.sharedFieldReferences[currentEpochParticipationBits].MinusRef()
-		b.sharedFieldReferences[currentEpochParticipationBits] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.CurrentEpochParticipationBits].MinusRef()
+		b.sharedFieldReferences[nativetypes.CurrentEpochParticipationBits] = stateutil.NewRef(1)
 	}
 
 	b.currentEpochParticipation = append(participation, val)
-	b.markFieldAsDirty(currentEpochParticipationBits)
-	b.addDirtyIndices(currentEpochParticipationBits, []uint64{uint64(len(b.currentEpochParticipation) - 1)})
+	b.markFieldAsDirty(nativetypes.CurrentEpochParticipationBits)
+	b.addDirtyIndices(nativetypes.CurrentEpochParticipationBits, []uint64{uint64(len(b.currentEpochParticipation) - 1)})
 	return nil
 }
 
@@ -62,16 +63,16 @@ func (b *BeaconState) AppendPreviousParticipationBits(val byte) error {
 	defer b.lock.Unlock()
 
 	bits := b.previousEpochParticipation
-	if b.sharedFieldReferences[previousEpochParticipationBits].Refs() > 1 {
+	if b.sharedFieldReferences[nativetypes.PreviousEpochParticipationBits].Refs() > 1 {
 		bits = make([]byte, len(b.previousEpochParticipation))
 		copy(bits, b.previousEpochParticipation)
-		b.sharedFieldReferences[previousEpochParticipationBits].MinusRef()
-		b.sharedFieldReferences[previousEpochParticipationBits] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.PreviousEpochParticipationBits].MinusRef()
+		b.sharedFieldReferences[nativetypes.PreviousEpochParticipationBits] = stateutil.NewRef(1)
 	}
 
 	b.previousEpochParticipation = append(bits, val)
-	b.markFieldAsDirty(previousEpochParticipationBits)
-	b.addDirtyIndices(previousEpochParticipationBits, []uint64{uint64(len(b.previousEpochParticipation) - 1)})
+	b.markFieldAsDirty(nativetypes.PreviousEpochParticipationBits)
+	b.addDirtyIndices(nativetypes.PreviousEpochParticipationBits, []uint64{uint64(len(b.previousEpochParticipation) - 1)})
 
 	return nil
 }
@@ -82,12 +83,12 @@ func (b *BeaconState) ModifyPreviousParticipationBits(mutator func(val []byte) (
 	b.lock.Lock()
 
 	participation := b.previousEpochParticipation
-	if b.sharedFieldReferences[previousEpochParticipationBits].Refs() > 1 {
+	if b.sharedFieldReferences[nativetypes.PreviousEpochParticipationBits].Refs() > 1 {
 		// Copy elements in underlying array by reference.
 		participation = make([]byte, len(b.previousEpochParticipation))
 		copy(participation, b.previousEpochParticipation)
-		b.sharedFieldReferences[previousEpochParticipationBits].MinusRef()
-		b.sharedFieldReferences[previousEpochParticipationBits] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.PreviousEpochParticipationBits].MinusRef()
+		b.sharedFieldReferences[nativetypes.PreviousEpochParticipationBits] = stateutil.NewRef(1)
 	}
 	// Lock is released so that mutator can
 	// acquire it.
@@ -101,8 +102,8 @@ func (b *BeaconState) ModifyPreviousParticipationBits(mutator func(val []byte) (
 	b.lock.Lock()
 	defer b.lock.Unlock()
 	b.previousEpochParticipation = participation
-	b.markFieldAsDirty(previousEpochParticipationBits)
-	b.rebuildTrie[previousEpochParticipationBits] = true
+	b.markFieldAsDirty(nativetypes.PreviousEpochParticipationBits)
+	b.rebuildTrie[nativetypes.PreviousEpochParticipationBits] = true
 	return nil
 }
 
@@ -112,12 +113,12 @@ func (b *BeaconState) ModifyCurrentParticipationBits(mutator func(val []byte) ([
 	b.lock.Lock()
 
 	participation := b.currentEpochParticipation
-	if b.sharedFieldReferences[currentEpochParticipationBits].Refs() > 1 {
+	if b.sharedFieldReferences[nativetypes.CurrentEpochParticipationBits].Refs() > 1 {
 		// Copy elements in underlying array by reference.
 		participation = make([]byte, len(b.currentEpochParticipation))
 		copy(participation, b.currentEpochParticipation)
-		b.sharedFieldReferences[currentEpochParticipationBits].MinusRef()
-		b.sharedFieldReferences[currentEpochParticipationBits] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.CurrentEpochParticipationBits].MinusRef()
+		b.sharedFieldReferences[nativetypes.CurrentEpochParticipationBits] = stateutil.NewRef(1)
 	}
 	// Lock is released so that mutator can
 	// acquire it.
@@ -131,7 +132,7 @@ func (b *BeaconState) ModifyCurrentParticipationBits(mutator func(val []byte) ([
 	b.lock.Lock()
 	defer b.lock.Unlock()
 	b.currentEpochParticipation = participation
-	b.markFieldAsDirty(currentEpochParticipationBits)
-	b.rebuildTrie[currentEpochParticipationBits] = true
+	b.markFieldAsDirty(nativetypes.CurrentEpochParticipationBits)
+	b.rebuildTrie[nativetypes.CurrentEpochParticipationBits] = true
 	return nil
 }

beacon-chain/state/state-native/setters_payload_header.go

@@ -1,6 +1,9 @@
-package v3
+package state_native
 
-import ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
+import (
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
+	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
+)
 
 // SetLatestExecutionPayloadHeader for the beacon state.
 func (b *BeaconState) SetLatestExecutionPayloadHeader(val *ethpb.ExecutionPayloadHeader) error {
@@ -8,6 +11,6 @@ func (b *BeaconState) SetLatestExecutionPayloadHeader(val *ethpb.ExecutionPayloa
 	defer b.lock.Unlock()
 
 	b.latestExecutionPayloadHeader = val
-	b.markFieldAsDirty(latestExecutionPayloadHeader)
+	b.markFieldAsDirty(nativetypes.LatestExecutionPayloadHeader)
 	return nil
 }

beacon-chain/state/state-native/setters_randao.go

@@ -1,8 +1,9 @@
-package v1
+package state_native
 
 import (
 	"github.com/pkg/errors"
 	customtypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/custom-types"
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
 	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
 	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
@@ -14,8 +15,8 @@ func (b *BeaconState) SetRandaoMixes(val [][]byte) error {
 	b.lock.Lock()
 	defer b.lock.Unlock()
 
-	b.sharedFieldReferences[randaoMixes].MinusRef()
-	b.sharedFieldReferences[randaoMixes] = stateutil.NewRef(1)
+	b.sharedFieldReferences[nativetypes.RandaoMixes].MinusRef()
+	b.sharedFieldReferences[nativetypes.RandaoMixes] = stateutil.NewRef(1)
 
 	var mixesArr [fieldparams.RandaoMixesLength][32]byte
 	for i := 0; i < len(mixesArr); i++ {
@@ -23,8 +24,8 @@ func (b *BeaconState) SetRandaoMixes(val [][]byte) error {
 	}
 	mixes := customtypes.RandaoMixes(mixesArr)
 	b.randaoMixes = &mixes
-	b.markFieldAsDirty(randaoMixes)
-	b.rebuildTrie[randaoMixes] = true
+	b.markFieldAsDirty(nativetypes.RandaoMixes)
+	b.rebuildTrie[nativetypes.RandaoMixes] = true
 	return nil
 }
 
@@ -38,19 +39,19 @@ func (b *BeaconState) UpdateRandaoMixesAtIndex(idx uint64, val []byte) error {
 	defer b.lock.Unlock()
 
 	mixes := b.randaoMixes
-	if refs := b.sharedFieldReferences[randaoMixes].Refs(); refs > 1 {
+	if refs := b.sharedFieldReferences[nativetypes.RandaoMixes].Refs(); refs > 1 {
 		// Copy elements in underlying array by reference.
 		m := *b.randaoMixes
 		mCopy := m
 		mixes = &mCopy
-		b.sharedFieldReferences[randaoMixes].MinusRef()
-		b.sharedFieldReferences[randaoMixes] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.RandaoMixes].MinusRef()
+		b.sharedFieldReferences[nativetypes.RandaoMixes] = stateutil.NewRef(1)
 	}
 
 	mixes[idx] = bytesutil.ToBytes32(val)
 	b.randaoMixes = mixes
-	b.markFieldAsDirty(randaoMixes)
-	b.addDirtyIndices(randaoMixes, []uint64{idx})
+	b.markFieldAsDirty(nativetypes.RandaoMixes)
+	b.addDirtyIndices(nativetypes.RandaoMixes, []uint64{idx})
 
 	return nil
 }

beacon-chain/state/state-native/setters_state.go

@@ -1,8 +1,9 @@
-package v1
+package state_native
 
 import (
 	"github.com/pkg/errors"
 	customtypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/custom-types"
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
 	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
 )
@@ -13,8 +14,8 @@ func (b *BeaconState) SetStateRoots(val [][]byte) error {
 	b.lock.Lock()
 	defer b.lock.Unlock()
 
-	b.sharedFieldReferences[stateRoots].MinusRef()
-	b.sharedFieldReferences[stateRoots] = stateutil.NewRef(1)
+	b.sharedFieldReferences[nativetypes.StateRoots].MinusRef()
+	b.sharedFieldReferences[nativetypes.StateRoots] = stateutil.NewRef(1)
 
 	var rootsArr [fieldparams.StateRootsLength][32]byte
 	for i := 0; i < len(rootsArr); i++ {
@@ -22,8 +23,8 @@ func (b *BeaconState) SetStateRoots(val [][]byte) error {
 	}
 	roots := customtypes.StateRoots(rootsArr)
 	b.stateRoots = &roots
-	b.markFieldAsDirty(stateRoots)
-	b.rebuildTrie[stateRoots] = true
+	b.markFieldAsDirty(nativetypes.StateRoots)
+	b.rebuildTrie[nativetypes.StateRoots] = true
 	return nil
 }
 
@@ -42,19 +43,19 @@ func (b *BeaconState) UpdateStateRootAtIndex(idx uint64, stateRoot [32]byte) err
 
 	// Check if we hold the only reference to the shared state roots slice.
 	r := b.stateRoots
-	if ref := b.sharedFieldReferences[stateRoots]; ref.Refs() > 1 {
+	if ref := b.sharedFieldReferences[nativetypes.StateRoots]; ref.Refs() > 1 {
 		// Copy elements in underlying array by reference.
 		roots := *b.stateRoots
 		rootsCopy := roots
 		r = &rootsCopy
 		ref.MinusRef()
-		b.sharedFieldReferences[stateRoots] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.StateRoots] = stateutil.NewRef(1)
 	}
 
 	r[idx] = stateRoot
 	b.stateRoots = r
 
-	b.markFieldAsDirty(stateRoots)
-	b.addDirtyIndices(stateRoots, []uint64{idx})
+	b.markFieldAsDirty(nativetypes.StateRoots)
+	b.addDirtyIndices(nativetypes.StateRoots, []uint64{idx})
 	return nil
 }

beacon-chain/state/state-native/setters_sync_committee.go

@@ -1,6 +1,7 @@
-package v3
+package state_native
 
 import (
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
 )
 
@@ -10,7 +11,7 @@ func (b *BeaconState) SetCurrentSyncCommittee(val *ethpb.SyncCommittee) error {
 	defer b.lock.Unlock()
 
 	b.currentSyncCommittee = val
-	b.markFieldAsDirty(currentSyncCommittee)
+	b.markFieldAsDirty(nativetypes.CurrentSyncCommittee)
 	return nil
 }
 
@@ -20,6 +21,6 @@ func (b *BeaconState) SetNextSyncCommittee(val *ethpb.SyncCommittee) error {
 	defer b.lock.Unlock()
 
 	b.nextSyncCommittee = val
-	b.markFieldAsDirty(nextSyncCommittee)
+	b.markFieldAsDirty(nativetypes.NextSyncCommittee)
 	return nil
 }

beacon-chain/state/state-native/setters_validator.go

@@ -1,8 +1,9 @@
-package v3
+package state_native
 
 import (
 	"github.com/pkg/errors"
 	types "github.com/prysmaticlabs/eth2-types"
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
 	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
 	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
@@ -15,10 +16,10 @@ func (b *BeaconState) SetValidators(val []*ethpb.Validator) error {
 	defer b.lock.Unlock()
 
 	b.validators = val
-	b.sharedFieldReferences[validators].MinusRef()
-	b.sharedFieldReferences[validators] = stateutil.NewRef(1)
-	b.markFieldAsDirty(validators)
-	b.rebuildTrie[validators] = true
+	b.sharedFieldReferences[nativetypes.Validators].MinusRef()
+	b.sharedFieldReferences[nativetypes.Validators] = stateutil.NewRef(1)
+	b.markFieldAsDirty(nativetypes.Validators)
+	b.rebuildTrie[nativetypes.Validators] = true
 	b.valMapHandler = stateutil.NewValMapHandler(b.validators)
 	return nil
 }
@@ -28,10 +29,10 @@ func (b *BeaconState) SetValidators(val []*ethpb.Validator) error {
 func (b *BeaconState) ApplyToEveryValidator(f func(idx int, val *ethpb.Validator) (bool, *ethpb.Validator, error)) error {
 	b.lock.Lock()
 	v := b.validators
-	if ref := b.sharedFieldReferences[validators]; ref.Refs() > 1 {
+	if ref := b.sharedFieldReferences[nativetypes.Validators]; ref.Refs() > 1 {
 		v = b.validatorsReferences()
 		ref.MinusRef()
-		b.sharedFieldReferences[validators] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.Validators] = stateutil.NewRef(1)
 	}
 	b.lock.Unlock()
 	var changedVals []uint64
@@ -50,8 +51,8 @@ func (b *BeaconState) ApplyToEveryValidator(f func(idx int, val *ethpb.Validator
 	defer b.lock.Unlock()
 
 	b.validators = v
-	b.markFieldAsDirty(validators)
-	b.addDirtyIndices(validators, changedVals)
+	b.markFieldAsDirty(nativetypes.Validators)
+	b.addDirtyIndices(nativetypes.Validators, changedVals)
 
 	return nil
 }
@@ -66,16 +67,16 @@ func (b *BeaconState) UpdateValidatorAtIndex(idx types.ValidatorIndex, val *ethp
 	defer b.lock.Unlock()
 
 	v := b.validators
-	if ref := b.sharedFieldReferences[validators]; ref.Refs() > 1 {
+	if ref := b.sharedFieldReferences[nativetypes.Validators]; ref.Refs() > 1 {
 		v = b.validatorsReferences()
 		ref.MinusRef()
-		b.sharedFieldReferences[validators] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.Validators] = stateutil.NewRef(1)
 	}
 
 	v[idx] = val
 	b.validators = v
-	b.markFieldAsDirty(validators)
-	b.addDirtyIndices(validators, []uint64{uint64(idx)})
+	b.markFieldAsDirty(nativetypes.Validators)
+	b.addDirtyIndices(nativetypes.Validators, []uint64{uint64(idx)})
 
 	return nil
 }
@@ -86,12 +87,12 @@ func (b *BeaconState) SetBalances(val []uint64) error {
 	b.lock.Lock()
 	defer b.lock.Unlock()
 
-	b.sharedFieldReferences[balances].MinusRef()
-	b.sharedFieldReferences[balances] = stateutil.NewRef(1)
+	b.sharedFieldReferences[nativetypes.Balances].MinusRef()
+	b.sharedFieldReferences[nativetypes.Balances] = stateutil.NewRef(1)
 
 	b.balances = val
-	b.markFieldAsDirty(balances)
-	b.rebuildTrie[balances] = true
+	b.markFieldAsDirty(nativetypes.Balances)
+	b.rebuildTrie[nativetypes.Balances] = true
 	return nil
 }
 
@@ -105,16 +106,16 @@ func (b *BeaconState) UpdateBalancesAtIndex(idx types.ValidatorIndex, val uint64
 	defer b.lock.Unlock()
 
 	bals := b.balances
-	if b.sharedFieldReferences[balances].Refs() > 1 {
+	if b.sharedFieldReferences[nativetypes.Balances].Refs() > 1 {
 		bals = b.balancesVal()
-		b.sharedFieldReferences[balances].MinusRef()
-		b.sharedFieldReferences[balances] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.Balances].MinusRef()
+		b.sharedFieldReferences[nativetypes.Balances] = stateutil.NewRef(1)
 	}
 
 	bals[idx] = val
 	b.balances = bals
-	b.markFieldAsDirty(balances)
-	b.addDirtyIndices(balances, []uint64{uint64(idx)})
+	b.markFieldAsDirty(nativetypes.Balances)
+	b.addDirtyIndices(nativetypes.Balances, []uint64{uint64(idx)})
 	return nil
 }
 
@@ -124,11 +125,11 @@ func (b *BeaconState) SetSlashings(val []uint64) error {
 	b.lock.Lock()
 	defer b.lock.Unlock()
 
-	b.sharedFieldReferences[slashings].MinusRef()
-	b.sharedFieldReferences[slashings] = stateutil.NewRef(1)
+	b.sharedFieldReferences[nativetypes.Slashings].MinusRef()
+	b.sharedFieldReferences[nativetypes.Slashings] = stateutil.NewRef(1)
 
 	b.slashings = val
-	b.markFieldAsDirty(slashings)
+	b.markFieldAsDirty(nativetypes.Slashings)
 	return nil
 }
 
@@ -142,17 +143,17 @@ func (b *BeaconState) UpdateSlashingsAtIndex(idx, val uint64) error {
 	defer b.lock.Unlock()
 
 	s := b.slashings
-	if b.sharedFieldReferences[slashings].Refs() > 1 {
+	if b.sharedFieldReferences[nativetypes.Slashings].Refs() > 1 {
 		s = b.slashingsVal()
-		b.sharedFieldReferences[slashings].MinusRef()
-		b.sharedFieldReferences[slashings] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.Slashings].MinusRef()
+		b.sharedFieldReferences[nativetypes.Slashings] = stateutil.NewRef(1)
 	}
 
 	s[idx] = val
 
 	b.slashings = s
 
-	b.markFieldAsDirty(slashings)
+	b.markFieldAsDirty(nativetypes.Slashings)
 	return nil
 }
 
@@ -163,10 +164,10 @@ func (b *BeaconState) AppendValidator(val *ethpb.Validator) error {
 	defer b.lock.Unlock()
 
 	vals := b.validators
-	if b.sharedFieldReferences[validators].Refs() > 1 {
+	if b.sharedFieldReferences[nativetypes.Validators].Refs() > 1 {
 		vals = b.validatorsReferences()
-		b.sharedFieldReferences[validators].MinusRef()
-		b.sharedFieldReferences[validators] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.Validators].MinusRef()
+		b.sharedFieldReferences[nativetypes.Validators] = stateutil.NewRef(1)
 	}
 
 	// append validator to slice
@@ -175,8 +176,8 @@ func (b *BeaconState) AppendValidator(val *ethpb.Validator) error {
 
 	b.valMapHandler.Set(bytesutil.ToBytes48(val.PublicKey), valIdx)
 
-	b.markFieldAsDirty(validators)
-	b.addDirtyIndices(validators, []uint64{uint64(valIdx)})
+	b.markFieldAsDirty(nativetypes.Validators)
+	b.addDirtyIndices(nativetypes.Validators, []uint64{uint64(valIdx)})
 	return nil
 }
 
@@ -187,16 +188,16 @@ func (b *BeaconState) AppendBalance(bal uint64) error {
 	defer b.lock.Unlock()
 
 	bals := b.balances
-	if b.sharedFieldReferences[balances].Refs() > 1 {
+	if b.sharedFieldReferences[nativetypes.Balances].Refs() > 1 {
 		bals = b.balancesVal()
-		b.sharedFieldReferences[balances].MinusRef()
-		b.sharedFieldReferences[balances] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.Balances].MinusRef()
+		b.sharedFieldReferences[nativetypes.Balances] = stateutil.NewRef(1)
 	}
 
 	b.balances = append(bals, bal)
 	balIdx := len(b.balances) - 1
-	b.markFieldAsDirty(balances)
-	b.addDirtyIndices(balances, []uint64{uint64(balIdx)})
+	b.markFieldAsDirty(nativetypes.Balances)
+	b.addDirtyIndices(nativetypes.Balances, []uint64{uint64(balIdx)})
 	return nil
 }
 
@@ -206,14 +207,14 @@ func (b *BeaconState) AppendInactivityScore(s uint64) error {
 	defer b.lock.Unlock()
 
 	scores := b.inactivityScores
-	if b.sharedFieldReferences[inactivityScores].Refs() > 1 {
+	if b.sharedFieldReferences[nativetypes.InactivityScores].Refs() > 1 {
 		scores = b.inactivityScoresVal()
-		b.sharedFieldReferences[inactivityScores].MinusRef()
-		b.sharedFieldReferences[inactivityScores] = stateutil.NewRef(1)
+		b.sharedFieldReferences[nativetypes.InactivityScores].MinusRef()
+		b.sharedFieldReferences[nativetypes.InactivityScores] = stateutil.NewRef(1)
 	}
 
 	b.inactivityScores = append(scores, s)
-	b.markFieldAsDirty(inactivityScores)
+	b.markFieldAsDirty(nativetypes.InactivityScores)
 	return nil
 }
 
@@ -223,10 +224,10 @@ func (b *BeaconState) SetInactivityScores(val []uint64) error {
 	b.lock.Lock()
 	defer b.lock.Unlock()
 
-	b.sharedFieldReferences[inactivityScores].MinusRef()
-	b.sharedFieldReferences[inactivityScores] = stateutil.NewRef(1)
+	b.sharedFieldReferences[nativetypes.InactivityScores].MinusRef()
+	b.sharedFieldReferences[nativetypes.InactivityScores] = stateutil.NewRef(1)
 
 	b.inactivityScores = val
-	b.markFieldAsDirty(inactivityScores)
+	b.markFieldAsDirty(nativetypes.InactivityScores)
 	return nil
 }

beacon-chain/state/state-native/ssz.go

@@ -0,0 +1,36 @@
+package state_native
+
+import (
+	"github.com/pkg/errors"
+	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/runtime/version"
+)
+
+var errAssertionFailed = errors.New("failed to convert interface to proto state")
+var errUnsupportedVersion = errors.New("unsupported beacon state version")
+
+func (b *BeaconState) MarshalSSZ() ([]byte, error) {
+	proto := b.ToProto()
+	switch b.Version() {
+	case version.Phase0:
+		s, ok := proto.(*ethpb.BeaconState)
+		if !ok {
+			return nil, errAssertionFailed
+		}
+		return s.MarshalSSZ()
+	case version.Altair:
+		s, ok := proto.(*ethpb.BeaconStateAltair)
+		if !ok {
+			return nil, errAssertionFailed
+		}
+		return s.MarshalSSZ()
+	case version.Bellatrix:
+		s, ok := proto.(*ethpb.BeaconStateBellatrix)
+		if !ok {
+			return nil, errAssertionFailed
+		}
+		return s.MarshalSSZ()
+	default:
+		return nil, errUnsupportedVersion
+	}
+}

beacon-chain/state/state-native/types.go

@@ -0,0 +1,29 @@
+package state_native
+
+import (
+	"github.com/prysmaticlabs/prysm/beacon-chain/state"
+	nativetypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types"
+	"github.com/prysmaticlabs/prysm/beacon-chain/state/types"
+)
+
+// Ensure type BeaconState below implements BeaconState interface.
+var _ state.BeaconState = (*BeaconState)(nil)
+
+func init() {
+	fieldMap = make(map[nativetypes.FieldIndex]types.DataType)
+	// Initialize the fixed sized arrays.
+	fieldMap[nativetypes.BlockRoots] = types.BasicArray
+	fieldMap[nativetypes.StateRoots] = types.BasicArray
+	fieldMap[nativetypes.RandaoMixes] = types.BasicArray
+
+	// Initialize the composite arrays.
+	fieldMap[nativetypes.Eth1DataVotes] = types.CompositeArray
+	fieldMap[nativetypes.Validators] = types.CompositeArray
+	fieldMap[nativetypes.PreviousEpochAttestations] = types.CompositeArray
+	fieldMap[nativetypes.CurrentEpochAttestations] = types.CompositeArray
+	fieldMap[nativetypes.Balances] = types.CompressedArray
+}
+
+// fieldMap keeps track of each field
+// to its corresponding data type.
+var fieldMap map[nativetypes.FieldIndex]types.DataType

beacon-chain/state/state-native/types/BUILD.bazel

@@ -0,0 +1,9 @@
+load("@prysm//tools/go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["types.go"],
+    importpath = "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/types",
+    visibility = ["//visibility:public"],
+    deps = ["@com_github_pkg_errors//:go_default_library"],
+)

beacon-chain/state/state-native/types/types.go

@@ -0,0 +1,124 @@
+package types
+
+import (
+	"github.com/pkg/errors"
+)
+
+// FieldIndex represents the relevant field position in the
+// state struct for a field.
+type FieldIndex int
+
+// String returns the name of the field index.
+func (f FieldIndex) String(stateVersion int) string {
+	switch f {
+	case GenesisTime:
+		return "genesisTime"
+	case GenesisValidatorsRoot:
+		return "genesisValidatorsRoot"
+	case Slot:
+		return "slot"
+	case Fork:
+		return "fork"
+	case LatestBlockHeader:
+		return "latestBlockHeader"
+	case BlockRoots:
+		return "blockRoots"
+	case StateRoots:
+		return "stateRoots"
+	case HistoricalRoots:
+		return "historicalRoots"
+	case Eth1Data:
+		return "eth1Data"
+	case Eth1DataVotes:
+		return "eth1DataVotes"
+	case Eth1DepositIndex:
+		return "eth1DepositIndex"
+	case Validators:
+		return "validators"
+	case Balances:
+		return "balances"
+	case RandaoMixes:
+		return "randaoMixes"
+	case Slashings:
+		return "slashings"
+	case PreviousEpochAttestations:
+		return "previousEpochAttestations"
+	case CurrentEpochAttestations:
+		return "currentEpochAttestations"
+	case PreviousEpochParticipationBits:
+		return "previousEpochParticipationBits"
+	case CurrentEpochParticipationBits:
+		return "currentEpochParticipationBits"
+	case JustificationBits:
+		return "justificationBits"
+	case PreviousJustifiedCheckpoint:
+		return "previousJustifiedCheckpoint"
+	case CurrentJustifiedCheckpoint:
+		return "currentJustifiedCheckpoint"
+	case FinalizedCheckpoint:
+		return "finalizedCheckpoint"
+	case InactivityScores:
+		return "inactivityScores"
+	case CurrentSyncCommittee:
+		return "currentSyncCommittee"
+	case NextSyncCommittee:
+		return "nextSyncCommittee"
+	case LatestExecutionPayloadHeader:
+		return "latestExecutionPayloadHeader"
+	default:
+		return ""
+	}
+}
+
+// ElemsInChunk returns the number of elements in the chunk (number of
+// elements that are able to be packed).
+func (f FieldIndex) ElemsInChunk() (uint64, error) {
+	switch f {
+	case Balances:
+		return 4, nil
+	default:
+		return 0, errors.Errorf("field %d doesn't support element compression", f)
+	}
+}
+
+func (f FieldIndex) Native() bool {
+	return true
+}
+
+// Below we define a set of useful enum values for the field
+// indices of the beacon state. For example, genesisTime is the
+// 0th field of the beacon state. This is helpful when we are
+// updating the Merkle branches up the trie representation
+// of the beacon state. The below field indexes correspond
+// to the v1 state.
+const (
+	GenesisTime FieldIndex = iota
+	GenesisValidatorsRoot
+	Slot
+	Fork
+	LatestBlockHeader
+	BlockRoots
+	StateRoots
+	HistoricalRoots
+	Eth1Data
+	Eth1DataVotes
+	Eth1DepositIndex
+	Validators
+	Balances
+	RandaoMixes
+	Slashings
+	PreviousEpochAttestations
+	CurrentEpochAttestations
+	PreviousEpochParticipationBits
+	CurrentEpochParticipationBits
+	JustificationBits
+	PreviousJustifiedCheckpoint
+	CurrentJustifiedCheckpoint
+	FinalizedCheckpoint
+	// State Fields Added in Altair.
+	InactivityScores
+	CurrentSyncCommittee
+	NextSyncCommittee
+	// State fields added in Bellatrix.
+	LatestExecutionPayloadHeader
+)

beacon-chain/state/state-native/v1/BUILD.bazel

@@ -1,134 +0,0 @@
-load("@prysm//tools/go:def.bzl", "go_library", "go_test")
-load("//proto:ssz_proto_library.bzl", "ssz_proto_files")
-load("//tools:ssz.bzl", "SSZ_DEPS", "ssz_gen_marshal")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "doc.go",
-        "field_roots.go",
-        "getters_attestation.go",
-        "getters_block.go",
-        "getters_checkpoint.go",
-        "getters_eth1.go",
-        "getters_misc.go",
-        "getters_randao.go",
-        "getters_state.go",
-        "getters_validator.go",
-        "proofs.go",
-        "readonly_validator.go",
-        "setters_attestation.go",
-        "setters_block.go",
-        "setters_checkpoint.go",
-        "setters_eth1.go",
-        "setters_misc.go",
-        "setters_randao.go",
-        "setters_state.go",
-        "setters_validator.go",
-        "state_trie.go",
-        "types.go",
-        "unsupported_getters.go",
-        "unsupported_setters.go",
-        ":ssz_generated_files",  # keep
-    ] + select({
-        "//config:mainnet": ["beacon_state_mainnet.go"],
-        "//config:minimal": ["beacon_state_minimal.go"],
-    }),
-    importpath = "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/v1",
-    visibility = [
-        "//beacon-chain:__subpackages__",
-        "//contracts/deposit:__subpackages__",
-        "//proto/migration:__subpackages__",
-        "//proto/prysm/v1alpha1:__subpackages__",
-        "//proto/testing:__subpackages__",
-        "//runtime/interop:__subpackages__",
-        "//slasher/rpc:__subpackages__",
-        "//testing/benchmark:__pkg__",
-        "//testing/fuzz:__pkg__",
-        "//testing/spectest:__subpackages__",
-        "//testing/util:__pkg__",
-        "//tools/benchmark-files-gen:__pkg__",
-        "//tools/pcli:__pkg__",
-    ],
-    deps = [
-        "//beacon-chain/state:go_default_library",
-        "//beacon-chain/state/fieldtrie:go_default_library",
-        "//beacon-chain/state/state-native/custom-types:go_default_library",
-        "//beacon-chain/state/stateutil:go_default_library",
-        "//beacon-chain/state/types:go_default_library",
-        "//config/features:go_default_library",
-        "//config/fieldparams:go_default_library",
-        "//config/params:go_default_library",
-        "//container/slice:go_default_library",
-        "//crypto/hash:go_default_library",
-        "//encoding/bytesutil:go_default_library",
-        "//encoding/ssz:go_default_library",
-        "//proto/prysm/v1alpha1:go_default_library",
-        "//runtime/version:go_default_library",
-        "@com_github_ferranbt_fastssz//:go_default_library",
-        "@com_github_pkg_errors//:go_default_library",
-        "@com_github_prysmaticlabs_eth2_types//:go_default_library",
-        "@com_github_prysmaticlabs_go_bitfield//:go_default_library",
-        "@io_opencensus_go//trace:go_default_library",
-        "@org_golang_google_protobuf//proto:go_default_library",
-    ],
-)
-
-# gazelle:exclude types_bench_test.go
-go_test(
-    name = "go_default_test",
-    srcs = [
-        "getters_attestation_test.go",
-        "getters_block_test.go",
-        "getters_test.go",
-        "getters_validator_test.go",
-        "proofs_test.go",
-        "readonly_validator_test.go",
-        "references_test.go",
-        "setters_attestation_test.go",
-        "state_test.go",
-        "state_trie_test.go",
-        "types_test.go",
-    ] + select({
-        "//config:mainnet": ["beacon_state_mainnet_test.go"],
-        "//config:minimal": ["beacon_state_minimal_test.go"],
-    }),
-    embed = [":go_default_library"],
-    deps = [
-        "//beacon-chain/state:go_default_library",
-        "//beacon-chain/state/stateutil:go_default_library",
-        "//beacon-chain/state/testing:go_default_library",
-        "//beacon-chain/state/types:go_default_library",
-        "//config/features:go_default_library",
-        "//config/fieldparams:go_default_library",
-        "//config/params:go_default_library",
-        "//container/trie:go_default_library",
-        "//encoding/bytesutil:go_default_library",
-        "//proto/prysm/v1alpha1:go_default_library",
-        "//runtime/interop:go_default_library",
-        "//testing/assert:go_default_library",
-        "//testing/require:go_default_library",
-        "//testing/util:go_default_library",
-        "@com_github_prysmaticlabs_eth2_types//:go_default_library",
-        "@com_github_prysmaticlabs_go_bitfield//:go_default_library",
-        "@com_github_sirupsen_logrus//:go_default_library",
-        "@org_golang_google_protobuf//proto:go_default_library",
-    ],
-)
-
-ssz_gen_marshal(
-    name = "ssz_generated_files",
-    srcs = select({
-        "//config:mainnet": ["beacon_state_mainnet.go"],
-        "//config:minimal": ["beacon_state_minimal.go"],
-    }),
-    includes = [
-        "//beacon-chain/state/state-native/custom-types:go_default_library",
-        "//config/fieldparams:go_default_library",
-        "//proto/prysm/v1alpha1:go_default_library",
-        "@com_github_prysmaticlabs_eth2_types//:go_default_library",
-    ],
-    objs = [
-        "BeaconState[no-htr]",
-    ],
-)

beacon-chain/state/state-native/v1/beacon_state_mainnet.go

@@ -1,51 +0,0 @@
-//go:build !minimal
-// +build !minimal
-
-package v1
-
-import (
-	"sync"
-
-	eth2types "github.com/prysmaticlabs/eth2-types"
-	"github.com/prysmaticlabs/go-bitfield"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/fieldtrie"
-	customtypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/custom-types"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/types"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-// BeaconState defines a struct containing utilities for the Ethereum Beacon Chain state, defining
-// getters and setters for its respective values and helpful functions such as HashTreeRoot().
-type BeaconState struct {
-	genesisTime                 uint64                      `ssz-gen:"true"`
-	genesisValidatorsRoot       customtypes.Byte32          `ssz-gen:"true" ssz-size:"32"`
-	slot                        eth2types.Slot              `ssz-gen:"true"`
-	fork                        *ethpb.Fork                 `ssz-gen:"true"`
-	latestBlockHeader           *ethpb.BeaconBlockHeader    `ssz-gen:"true"`
-	blockRoots                  *customtypes.BlockRoots     `ssz-gen:"true" ssz-size:"8192,32"`
-	stateRoots                  *customtypes.StateRoots     `ssz-gen:"true" ssz-size:"8192,32"`
-	historicalRoots             customtypes.HistoricalRoots `ssz-gen:"true" ssz-size:"?,32" ssz-max:"16777216"`
-	eth1Data                    *ethpb.Eth1Data             `ssz-gen:"true"`
-	eth1DataVotes               []*ethpb.Eth1Data           `ssz-gen:"true" ssz-max:"2048"`
-	eth1DepositIndex            uint64                      `ssz-gen:"true"`
-	validators                  []*ethpb.Validator          `ssz-gen:"true" ssz-max:"1099511627776"`
-	balances                    []uint64                    `ssz-gen:"true" ssz-max:"1099511627776"`
-	randaoMixes                 *customtypes.RandaoMixes    `ssz-gen:"true" ssz-size:"65536,32"`
-	slashings                   []uint64                    `ssz-gen:"true" ssz-size:"8192"`
-	previousEpochAttestations   []*ethpb.PendingAttestation `ssz-gen:"true" ssz-max:"4096"`
-	currentEpochAttestations    []*ethpb.PendingAttestation `ssz-gen:"true" ssz-max:"4096"`
-	justificationBits           bitfield.Bitvector4         `ssz-gen:"true" ssz-size:"1"`
-	previousJustifiedCheckpoint *ethpb.Checkpoint           `ssz-gen:"true"`
-	currentJustifiedCheckpoint  *ethpb.Checkpoint           `ssz-gen:"true"`
-	finalizedCheckpoint         *ethpb.Checkpoint           `ssz-gen:"true"`
-
-	lock                  sync.RWMutex
-	dirtyFields           map[types.FieldIndex]bool
-	dirtyIndices          map[types.FieldIndex][]uint64
-	stateFieldLeaves      map[types.FieldIndex]*fieldtrie.FieldTrie
-	rebuildTrie           map[types.FieldIndex]bool
-	valMapHandler         *stateutil.ValidatorMapHandler
-	merkleLayers          [][][]byte
-	sharedFieldReferences map[types.FieldIndex]*stateutil.Reference
-}

beacon-chain/state/state-native/v1/beacon_state_mainnet_test.go

@@ -1,82 +0,0 @@
-//go:build !minimal
-// +build !minimal
-
-package v1
-
-import (
-	"reflect"
-	"strconv"
-	"testing"
-
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-)
-
-func TestMainnetSszValuesAgainstFieldParams(t *testing.T) {
-	// Casting needed to avoid lock copy analyzer issue.
-	bs := (interface{})(BeaconState{})
-	bsType := reflect.TypeOf(bs)
-
-	f, ok := bsType.FieldByName("genesisValidatorsRoot")
-	require.Equal(t, true, ok, "Required field not found")
-	v := f.Tag.Get("ssz-size")
-	assert.Equal(t, strconv.Itoa(fieldparams.RootLength), v)
-
-	f, ok = bsType.FieldByName("blockRoots")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-size")
-	assert.Equal(t, strconv.Itoa(fieldparams.BlockRootsLength)+","+strconv.Itoa(fieldparams.RootLength), v)
-
-	f, ok = bsType.FieldByName("stateRoots")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-size")
-	assert.Equal(t, strconv.Itoa(fieldparams.StateRootsLength)+","+strconv.Itoa(fieldparams.RootLength), v)
-
-	f, ok = bsType.FieldByName("historicalRoots")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-size")
-	assert.Equal(t, "?,"+strconv.Itoa(fieldparams.RootLength), v)
-	v = f.Tag.Get("ssz-max")
-	assert.Equal(t, strconv.Itoa(fieldparams.HistoricalRootsLength), v)
-
-	f, ok = bsType.FieldByName("eth1DataVotes")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-max")
-	assert.Equal(t, strconv.Itoa(fieldparams.Eth1DataVotesLength), v)
-
-	f, ok = bsType.FieldByName("validators")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-max")
-	assert.Equal(t, strconv.Itoa(fieldparams.ValidatorRegistryLimit), v)
-
-	f, ok = bsType.FieldByName("balances")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-max")
-	assert.Equal(t, strconv.Itoa(fieldparams.ValidatorRegistryLimit), v)
-
-	f, ok = bsType.FieldByName("randaoMixes")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-size")
-	assert.Equal(t, strconv.Itoa(fieldparams.RandaoMixesLength)+","+strconv.Itoa(fieldparams.RootLength), v)
-
-	f, ok = bsType.FieldByName("slashings")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-size")
-	assert.Equal(t, strconv.Itoa(fieldparams.SlashingsLength), v)
-
-	f, ok = bsType.FieldByName("previousEpochAttestations")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-max")
-	assert.Equal(t, strconv.Itoa(fieldparams.PreviousEpochAttestationsLength), v)
-
-	f, ok = bsType.FieldByName("currentEpochAttestations")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-max")
-	assert.Equal(t, strconv.Itoa(fieldparams.CurrentEpochAttestationsLength), v)
-
-	f, ok = bsType.FieldByName("justificationBits")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-size")
-	assert.Equal(t, "1", v)
-}

beacon-chain/state/state-native/v1/beacon_state_minimal.go

@@ -1,51 +0,0 @@
-//go:build minimal
-// +build minimal
-
-package v1
-
-import (
-	"sync"
-
-	eth2types "github.com/prysmaticlabs/eth2-types"
-	"github.com/prysmaticlabs/go-bitfield"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/fieldtrie"
-	customtypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/custom-types"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/types"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-// BeaconState defines a struct containing utilities for the Ethereum Beacon Chain state, defining
-// getters and setters for its respective values and helpful functions such as HashTreeRoot().
-type BeaconState struct {
-	genesisTime                 uint64                      `ssz-gen:"true"`
-	genesisValidatorsRoot       customtypes.Byte32          `ssz-gen:"true" ssz-size:"32"`
-	slot                        eth2types.Slot              `ssz-gen:"true"`
-	fork                        *ethpb.Fork                 `ssz-gen:"true"`
-	latestBlockHeader           *ethpb.BeaconBlockHeader    `ssz-gen:"true"`
-	blockRoots                  *customtypes.BlockRoots     `ssz-gen:"true" ssz-size:"64,32"`
-	stateRoots                  *customtypes.StateRoots     `ssz-gen:"true" ssz-size:"64,32"`
-	historicalRoots             customtypes.HistoricalRoots `ssz-gen:"true" ssz-size:"?,32" ssz-max:"16777216"`
-	eth1Data                    *ethpb.Eth1Data             `ssz-gen:"true"`
-	eth1DataVotes               []*ethpb.Eth1Data           `ssz-gen:"true" ssz-max:"32"`
-	eth1DepositIndex            uint64                      `ssz-gen:"true"`
-	validators                  []*ethpb.Validator          `ssz-gen:"true" ssz-max:"1099511627776"`
-	balances                    []uint64                    `ssz-gen:"true" ssz-max:"1099511627776"`
-	randaoMixes                 *customtypes.RandaoMixes    `ssz-gen:"true" ssz-size:"64,32"`
-	slashings                   []uint64                    `ssz-gen:"true" ssz-size:"64"`
-	previousEpochAttestations   []*ethpb.PendingAttestation `ssz-gen:"true" ssz-max:"1024"`
-	currentEpochAttestations    []*ethpb.PendingAttestation `ssz-gen:"true" ssz-max:"1024"`
-	justificationBits           bitfield.Bitvector4         `ssz-gen:"true" ssz-size:"1"`
-	previousJustifiedCheckpoint *ethpb.Checkpoint           `ssz-gen:"true"`
-	currentJustifiedCheckpoint  *ethpb.Checkpoint           `ssz-gen:"true"`
-	finalizedCheckpoint         *ethpb.Checkpoint           `ssz-gen:"true"`
-
-	lock                  sync.RWMutex
-	dirtyFields           map[types.FieldIndex]bool
-	dirtyIndices          map[types.FieldIndex][]uint64
-	stateFieldLeaves      map[types.FieldIndex]*fieldtrie.FieldTrie
-	rebuildTrie           map[types.FieldIndex]bool
-	valMapHandler         *stateutil.ValidatorMapHandler
-	merkleLayers          [][][]byte
-	sharedFieldReferences map[types.FieldIndex]*stateutil.Reference
-}

beacon-chain/state/state-native/v1/beacon_state_minimal_test.go

@@ -1,82 +0,0 @@
-//go:build minimal
-// +build minimal
-
-package v1
-
-import (
-	"reflect"
-	"strconv"
-	"testing"
-
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-)
-
-func TestMinimalSszValuesAgainstFieldParams(t *testing.T) {
-	// Casting needed to avoid lock copy analyzer issue.
-	bs := (interface{})(BeaconState{})
-	bsType := reflect.TypeOf(bs)
-
-	f, ok := bsType.FieldByName("genesisValidatorsRoot")
-	require.Equal(t, true, ok, "Required field not found")
-	v := f.Tag.Get("ssz-size")
-	assert.Equal(t, strconv.Itoa(fieldparams.RootLength), v)
-
-	f, ok = bsType.FieldByName("blockRoots")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-size")
-	assert.Equal(t, strconv.Itoa(fieldparams.BlockRootsLength)+","+strconv.Itoa(fieldparams.RootLength), v)
-
-	f, ok = bsType.FieldByName("stateRoots")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-size")
-	assert.Equal(t, strconv.Itoa(fieldparams.StateRootsLength)+","+strconv.Itoa(fieldparams.RootLength), v)
-
-	f, ok = bsType.FieldByName("historicalRoots")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-size")
-	assert.Equal(t, "?,"+strconv.Itoa(fieldparams.RootLength), v)
-	v = f.Tag.Get("ssz-max")
-	assert.Equal(t, strconv.Itoa(fieldparams.HistoricalRootsLength), v)
-
-	f, ok = bsType.FieldByName("eth1DataVotes")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-max")
-	assert.Equal(t, strconv.Itoa(fieldparams.Eth1DataVotesLength), v)
-
-	f, ok = bsType.FieldByName("validators")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-max")
-	assert.Equal(t, strconv.Itoa(fieldparams.ValidatorRegistryLimit), v)
-
-	f, ok = bsType.FieldByName("balances")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-max")
-	assert.Equal(t, strconv.Itoa(fieldparams.ValidatorRegistryLimit), v)
-
-	f, ok = bsType.FieldByName("randaoMixes")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-size")
-	assert.Equal(t, strconv.Itoa(fieldparams.RandaoMixesLength)+","+strconv.Itoa(fieldparams.RootLength), v)
-
-	f, ok = bsType.FieldByName("slashings")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-size")
-	assert.Equal(t, strconv.Itoa(fieldparams.SlashingsLength), v)
-
-	f, ok = bsType.FieldByName("previousEpochAttestations")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-max")
-	assert.Equal(t, strconv.Itoa(fieldparams.PreviousEpochAttestationsLength), v)
-
-	f, ok = bsType.FieldByName("currentEpochAttestations")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-max")
-	assert.Equal(t, strconv.Itoa(fieldparams.CurrentEpochAttestationsLength), v)
-
-	f, ok = bsType.FieldByName("justificationBits")
-	require.Equal(t, true, ok, "Required field not found")
-	v = f.Tag.Get("ssz-size")
-	assert.Equal(t, "1", v)
-}

beacon-chain/state/state-native/v1/field_roots.go

@@ -1,14 +0,0 @@
-package v1
-
-import (
-	"context"
-
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-// computeFieldRoots returns the hash tree root computations of every field in
-// the beacon state as a list of 32 byte roots.
-func computeFieldRoots(ctx context.Context, state *ethpb.BeaconState) ([][]byte, error) {
-	return stateutil.ComputeFieldRootsWithHasherPhase0(ctx, state)
-}

beacon-chain/state/state-native/v1/generated.ssz.go

@@ -1,493 +0,0 @@
-// Code generated by fastssz. DO NOT EDIT.
-// Hash: 2e923b42b8e4fcc278301da6506b212334a78169cb32c70e0d66a636435b8925
-package v1
-
-import (
-	ssz "github.com/ferranbt/fastssz"
-	eth2types "github.com/prysmaticlabs/eth2-types"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-// MarshalSSZ ssz marshals the BeaconState object
-func (b *BeaconState) MarshalSSZ() ([]byte, error) {
-	return ssz.MarshalSSZ(b)
-}
-
-// MarshalSSZTo ssz marshals the BeaconState object to a target array
-func (b *BeaconState) MarshalSSZTo(buf []byte) (dst []byte, err error) {
-	dst = buf
-	offset := int(2687377)
-
-	// Field (0) 'genesisTime'
-	dst = ssz.MarshalUint64(dst, b.genesisTime)
-
-	// Field (1) 'genesisValidatorsRoot'
-	dst = append(dst, b.genesisValidatorsRoot[:]...)
-
-	// Field (2) 'slot'
-	dst = ssz.MarshalUint64(dst, uint64(b.slot))
-
-	// Field (3) 'fork'
-	if b.fork == nil {
-		b.fork = new(ethpb.Fork)
-	}
-	if dst, err = b.fork.MarshalSSZTo(dst); err != nil {
-		return
-	}
-
-	// Field (4) 'latestBlockHeader'
-	if b.latestBlockHeader == nil {
-		b.latestBlockHeader = new(ethpb.BeaconBlockHeader)
-	}
-	if dst, err = b.latestBlockHeader.MarshalSSZTo(dst); err != nil {
-		return
-	}
-
-	// Field (5) 'blockRoots'
-	for ii := 0; ii < 8192; ii++ {
-		dst = append(dst, b.blockRoots[ii][:]...)
-	}
-
-	// Field (6) 'stateRoots'
-	for ii := 0; ii < 8192; ii++ {
-		dst = append(dst, b.stateRoots[ii][:]...)
-	}
-
-	// Offset (7) 'historicalRoots'
-	dst = ssz.WriteOffset(dst, offset)
-	offset += len(b.historicalRoots) * 32
-
-	// Field (8) 'eth1Data'
-	if b.eth1Data == nil {
-		b.eth1Data = new(ethpb.Eth1Data)
-	}
-	if dst, err = b.eth1Data.MarshalSSZTo(dst); err != nil {
-		return
-	}
-
-	// Offset (9) 'eth1DataVotes'
-	dst = ssz.WriteOffset(dst, offset)
-	offset += len(b.eth1DataVotes) * 72
-
-	// Field (10) 'eth1DepositIndex'
-	dst = ssz.MarshalUint64(dst, b.eth1DepositIndex)
-
-	// Offset (11) 'validators'
-	dst = ssz.WriteOffset(dst, offset)
-	offset += len(b.validators) * 121
-
-	// Offset (12) 'balances'
-	dst = ssz.WriteOffset(dst, offset)
-	offset += len(b.balances) * 8
-
-	// Field (13) 'randaoMixes'
-	for ii := 0; ii < 65536; ii++ {
-		dst = append(dst, b.randaoMixes[ii][:]...)
-	}
-
-	// Field (14) 'slashings'
-	if len(b.slashings) != 8192 {
-		err = ssz.ErrVectorLength
-		return
-	}
-	for ii := 0; ii < 8192; ii++ {
-		dst = ssz.MarshalUint64(dst, b.slashings[ii])
-	}
-
-	// Offset (15) 'previousEpochAttestations'
-	dst = ssz.WriteOffset(dst, offset)
-	for ii := 0; ii < len(b.previousEpochAttestations); ii++ {
-		offset += 4
-		offset += b.previousEpochAttestations[ii].SizeSSZ()
-	}
-
-	// Offset (16) 'currentEpochAttestations'
-	dst = ssz.WriteOffset(dst, offset)
-	for ii := 0; ii < len(b.currentEpochAttestations); ii++ {
-		offset += 4
-		offset += b.currentEpochAttestations[ii].SizeSSZ()
-	}
-
-	// Field (17) 'justificationBits'
-	if len(b.justificationBits) != 1 {
-		err = ssz.ErrBytesLength
-		return
-	}
-	dst = append(dst, b.justificationBits...)
-
-	// Field (18) 'previousJustifiedCheckpoint'
-	if b.previousJustifiedCheckpoint == nil {
-		b.previousJustifiedCheckpoint = new(ethpb.Checkpoint)
-	}
-	if dst, err = b.previousJustifiedCheckpoint.MarshalSSZTo(dst); err != nil {
-		return
-	}
-
-	// Field (19) 'currentJustifiedCheckpoint'
-	if b.currentJustifiedCheckpoint == nil {
-		b.currentJustifiedCheckpoint = new(ethpb.Checkpoint)
-	}
-	if dst, err = b.currentJustifiedCheckpoint.MarshalSSZTo(dst); err != nil {
-		return
-	}
-
-	// Field (20) 'finalizedCheckpoint'
-	if b.finalizedCheckpoint == nil {
-		b.finalizedCheckpoint = new(ethpb.Checkpoint)
-	}
-	if dst, err = b.finalizedCheckpoint.MarshalSSZTo(dst); err != nil {
-		return
-	}
-
-	// Field (7) 'historicalRoots'
-	if len(b.historicalRoots) > 16777216 {
-		err = ssz.ErrListTooBig
-		return
-	}
-	for ii := 0; ii < len(b.historicalRoots); ii++ {
-		dst = append(dst, b.historicalRoots[ii][:]...)
-	}
-
-	// Field (9) 'eth1DataVotes'
-	if len(b.eth1DataVotes) > 2048 {
-		err = ssz.ErrListTooBig
-		return
-	}
-	for ii := 0; ii < len(b.eth1DataVotes); ii++ {
-		if dst, err = b.eth1DataVotes[ii].MarshalSSZTo(dst); err != nil {
-			return
-		}
-	}
-
-	// Field (11) 'validators'
-	if len(b.validators) > 1099511627776 {
-		err = ssz.ErrListTooBig
-		return
-	}
-	for ii := 0; ii < len(b.validators); ii++ {
-		if dst, err = b.validators[ii].MarshalSSZTo(dst); err != nil {
-			return
-		}
-	}
-
-	// Field (12) 'balances'
-	if len(b.balances) > 1099511627776 {
-		err = ssz.ErrListTooBig
-		return
-	}
-	for ii := 0; ii < len(b.balances); ii++ {
-		dst = ssz.MarshalUint64(dst, b.balances[ii])
-	}
-
-	// Field (15) 'previousEpochAttestations'
-	if len(b.previousEpochAttestations) > 4096 {
-		err = ssz.ErrListTooBig
-		return
-	}
-	{
-		offset = 4 * len(b.previousEpochAttestations)
-		for ii := 0; ii < len(b.previousEpochAttestations); ii++ {
-			dst = ssz.WriteOffset(dst, offset)
-			offset += b.previousEpochAttestations[ii].SizeSSZ()
-		}
-	}
-	for ii := 0; ii < len(b.previousEpochAttestations); ii++ {
-		if dst, err = b.previousEpochAttestations[ii].MarshalSSZTo(dst); err != nil {
-			return
-		}
-	}
-
-	// Field (16) 'currentEpochAttestations'
-	if len(b.currentEpochAttestations) > 4096 {
-		err = ssz.ErrListTooBig
-		return
-	}
-	{
-		offset = 4 * len(b.currentEpochAttestations)
-		for ii := 0; ii < len(b.currentEpochAttestations); ii++ {
-			dst = ssz.WriteOffset(dst, offset)
-			offset += b.currentEpochAttestations[ii].SizeSSZ()
-		}
-	}
-	for ii := 0; ii < len(b.currentEpochAttestations); ii++ {
-		if dst, err = b.currentEpochAttestations[ii].MarshalSSZTo(dst); err != nil {
-			return
-		}
-	}
-
-	return
-}
-
-// UnmarshalSSZ ssz unmarshals the BeaconState object
-func (b *BeaconState) UnmarshalSSZ(buf []byte) error {
-	var err error
-	size := uint64(len(buf))
-	if size < 2687377 {
-		return ssz.ErrSize
-	}
-
-	tail := buf
-	var o7, o9, o11, o12, o15, o16 uint64
-
-	// Field (0) 'genesisTime'
-	b.genesisTime = ssz.UnmarshallUint64(buf[0:8])
-
-	// Field (1) 'genesisValidatorsRoot'
-	copy(b.genesisValidatorsRoot[:], buf[8:40])
-
-	// Field (2) 'slot'
-	b.slot = eth2types.Slot(ssz.UnmarshallUint64(buf[40:48]))
-
-	// Field (3) 'fork'
-	if b.fork == nil {
-		b.fork = new(ethpb.Fork)
-	}
-	if err = b.fork.UnmarshalSSZ(buf[48:64]); err != nil {
-		return err
-	}
-
-	// Field (4) 'latestBlockHeader'
-	if b.latestBlockHeader == nil {
-		b.latestBlockHeader = new(ethpb.BeaconBlockHeader)
-	}
-	if err = b.latestBlockHeader.UnmarshalSSZ(buf[64:176]); err != nil {
-		return err
-	}
-
-	// Field (5) 'blockRoots'
-
-	for ii := 0; ii < 8192; ii++ {
-		copy(b.blockRoots[ii][:], buf[176:262320][ii*32:(ii+1)*32])
-	}
-
-	// Field (6) 'stateRoots'
-
-	for ii := 0; ii < 8192; ii++ {
-		copy(b.stateRoots[ii][:], buf[262320:524464][ii*32:(ii+1)*32])
-	}
-
-	// Offset (7) 'historicalRoots'
-	if o7 = ssz.ReadOffset(buf[524464:524468]); o7 > size {
-		return ssz.ErrOffset
-	}
-
-	if o7 < 2687377 {
-		return ssz.ErrInvalidVariableOffset
-	}
-
-	// Field (8) 'eth1Data'
-	if b.eth1Data == nil {
-		b.eth1Data = new(ethpb.Eth1Data)
-	}
-	if err = b.eth1Data.UnmarshalSSZ(buf[524468:524540]); err != nil {
-		return err
-	}
-
-	// Offset (9) 'eth1DataVotes'
-	if o9 = ssz.ReadOffset(buf[524540:524544]); o9 > size || o7 > o9 {
-		return ssz.ErrOffset
-	}
-
-	// Field (10) 'eth1DepositIndex'
-	b.eth1DepositIndex = ssz.UnmarshallUint64(buf[524544:524552])
-
-	// Offset (11) 'validators'
-	if o11 = ssz.ReadOffset(buf[524552:524556]); o11 > size || o9 > o11 {
-		return ssz.ErrOffset
-	}
-
-	// Offset (12) 'balances'
-	if o12 = ssz.ReadOffset(buf[524556:524560]); o12 > size || o11 > o12 {
-		return ssz.ErrOffset
-	}
-
-	// Field (13) 'randaoMixes'
-
-	for ii := 0; ii < 65536; ii++ {
-		copy(b.randaoMixes[ii][:], buf[524560:2621712][ii*32:(ii+1)*32])
-	}
-
-	// Field (14) 'slashings'
-	b.slashings = ssz.ExtendUint64(b.slashings, 8192)
-	for ii := 0; ii < 8192; ii++ {
-		b.slashings[ii] = ssz.UnmarshallUint64(buf[2621712:2687248][ii*8 : (ii+1)*8])
-	}
-
-	// Offset (15) 'previousEpochAttestations'
-	if o15 = ssz.ReadOffset(buf[2687248:2687252]); o15 > size || o12 > o15 {
-		return ssz.ErrOffset
-	}
-
-	// Offset (16) 'currentEpochAttestations'
-	if o16 = ssz.ReadOffset(buf[2687252:2687256]); o16 > size || o15 > o16 {
-		return ssz.ErrOffset
-	}
-
-	// Field (17) 'justificationBits'
-	if cap(b.justificationBits) == 0 {
-		b.justificationBits = make([]byte, 0, len(buf[2687256:2687257]))
-	}
-	b.justificationBits = append(b.justificationBits, buf[2687256:2687257]...)
-
-	// Field (18) 'previousJustifiedCheckpoint'
-	if b.previousJustifiedCheckpoint == nil {
-		b.previousJustifiedCheckpoint = new(ethpb.Checkpoint)
-	}
-	if err = b.previousJustifiedCheckpoint.UnmarshalSSZ(buf[2687257:2687297]); err != nil {
-		return err
-	}
-
-	// Field (19) 'currentJustifiedCheckpoint'
-	if b.currentJustifiedCheckpoint == nil {
-		b.currentJustifiedCheckpoint = new(ethpb.Checkpoint)
-	}
-	if err = b.currentJustifiedCheckpoint.UnmarshalSSZ(buf[2687297:2687337]); err != nil {
-		return err
-	}
-
-	// Field (20) 'finalizedCheckpoint'
-	if b.finalizedCheckpoint == nil {
-		b.finalizedCheckpoint = new(ethpb.Checkpoint)
-	}
-	if err = b.finalizedCheckpoint.UnmarshalSSZ(buf[2687337:2687377]); err != nil {
-		return err
-	}
-
-	// Field (7) 'historicalRoots'
-	{
-		buf = tail[o7:o9]
-		num, err := ssz.DivideInt2(len(buf), 32, 16777216)
-		if err != nil {
-			return err
-		}
-		b.historicalRoots = make([][32]byte, num)
-		for ii := 0; ii < num; ii++ {
-			copy(b.historicalRoots[ii][:], buf[ii*32:(ii+1)*32])
-		}
-	}
-
-	// Field (9) 'eth1DataVotes'
-	{
-		buf = tail[o9:o11]
-		num, err := ssz.DivideInt2(len(buf), 72, 2048)
-		if err != nil {
-			return err
-		}
-		b.eth1DataVotes = make([]*ethpb.Eth1Data, num)
-		for ii := 0; ii < num; ii++ {
-			if b.eth1DataVotes[ii] == nil {
-				b.eth1DataVotes[ii] = new(ethpb.Eth1Data)
-			}
-			if err = b.eth1DataVotes[ii].UnmarshalSSZ(buf[ii*72 : (ii+1)*72]); err != nil {
-				return err
-			}
-		}
-	}
-
-	// Field (11) 'validators'
-	{
-		buf = tail[o11:o12]
-		num, err := ssz.DivideInt2(len(buf), 121, 1099511627776)
-		if err != nil {
-			return err
-		}
-		b.validators = make([]*ethpb.Validator, num)
-		for ii := 0; ii < num; ii++ {
-			if b.validators[ii] == nil {
-				b.validators[ii] = new(ethpb.Validator)
-			}
-			if err = b.validators[ii].UnmarshalSSZ(buf[ii*121 : (ii+1)*121]); err != nil {
-				return err
-			}
-		}
-	}
-
-	// Field (12) 'balances'
-	{
-		buf = tail[o12:o15]
-		num, err := ssz.DivideInt2(len(buf), 8, 1099511627776)
-		if err != nil {
-			return err
-		}
-		b.balances = ssz.ExtendUint64(b.balances, num)
-		for ii := 0; ii < num; ii++ {
-			b.balances[ii] = ssz.UnmarshallUint64(buf[ii*8 : (ii+1)*8])
-		}
-	}
-
-	// Field (15) 'previousEpochAttestations'
-	{
-		buf = tail[o15:o16]
-		num, err := ssz.DecodeDynamicLength(buf, 4096)
-		if err != nil {
-			return err
-		}
-		b.previousEpochAttestations = make([]*ethpb.PendingAttestation, num)
-		err = ssz.UnmarshalDynamic(buf, num, func(indx int, buf []byte) (err error) {
-			if b.previousEpochAttestations[indx] == nil {
-				b.previousEpochAttestations[indx] = new(ethpb.PendingAttestation)
-			}
-			if err = b.previousEpochAttestations[indx].UnmarshalSSZ(buf); err != nil {
-				return err
-			}
-			return nil
-		})
-		if err != nil {
-			return err
-		}
-	}
-
-	// Field (16) 'currentEpochAttestations'
-	{
-		buf = tail[o16:]
-		num, err := ssz.DecodeDynamicLength(buf, 4096)
-		if err != nil {
-			return err
-		}
-		b.currentEpochAttestations = make([]*ethpb.PendingAttestation, num)
-		err = ssz.UnmarshalDynamic(buf, num, func(indx int, buf []byte) (err error) {
-			if b.currentEpochAttestations[indx] == nil {
-				b.currentEpochAttestations[indx] = new(ethpb.PendingAttestation)
-			}
-			if err = b.currentEpochAttestations[indx].UnmarshalSSZ(buf); err != nil {
-				return err
-			}
-			return nil
-		})
-		if err != nil {
-			return err
-		}
-	}
-	return err
-}
-
-// SizeSSZ returns the ssz encoded size in bytes for the BeaconState object
-func (b *BeaconState) SizeSSZ() (size int) {
-	size = 2687377
-
-	// Field (7) 'historicalRoots'
-	size += len(b.historicalRoots) * 32
-
-	// Field (9) 'eth1DataVotes'
-	size += len(b.eth1DataVotes) * 72
-
-	// Field (11) 'validators'
-	size += len(b.validators) * 121
-
-	// Field (12) 'balances'
-	size += len(b.balances) * 8
-
-	// Field (15) 'previousEpochAttestations'
-	for ii := 0; ii < len(b.previousEpochAttestations); ii++ {
-		size += 4
-		size += b.previousEpochAttestations[ii].SizeSSZ()
-	}
-
-	// Field (16) 'currentEpochAttestations'
-	for ii := 0; ii < len(b.currentEpochAttestations); ii++ {
-		size += 4
-		size += b.currentEpochAttestations[ii].SizeSSZ()
-	}
-
-	return
-}

beacon-chain/state/state-native/v1/getters_attestation_test.go

@@ -1,46 +0,0 @@
-package v1
-
-import (
-	"testing"
-
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/require"
-)
-
-func TestBeaconState_PreviousEpochAttestations(t *testing.T) {
-	s, err := InitializeFromProto(&ethpb.BeaconState{})
-	require.NoError(t, err)
-	atts, err := s.PreviousEpochAttestations()
-	require.NoError(t, err)
-	require.DeepEqual(t, []*ethpb.PendingAttestation(nil), atts)
-
-	want := []*ethpb.PendingAttestation{{ProposerIndex: 100}}
-	s, err = InitializeFromProto(&ethpb.BeaconState{PreviousEpochAttestations: want})
-	require.NoError(t, err)
-	got, err := s.PreviousEpochAttestations()
-	require.NoError(t, err)
-	require.DeepEqual(t, want, got)
-
-	// Test copy does not mutate.
-	got[0].ProposerIndex = 101
-	require.DeepNotEqual(t, want, got)
-}
-
-func TestBeaconState_CurrentEpochAttestations(t *testing.T) {
-	s, err := InitializeFromProto(&ethpb.BeaconState{})
-	require.NoError(t, err)
-	atts, err := s.CurrentEpochAttestations()
-	require.NoError(t, err)
-	require.DeepEqual(t, []*ethpb.PendingAttestation(nil), atts)
-
-	want := []*ethpb.PendingAttestation{{ProposerIndex: 101}}
-	s, err = InitializeFromProto(&ethpb.BeaconState{CurrentEpochAttestations: want})
-	require.NoError(t, err)
-	got, err := s.CurrentEpochAttestations()
-	require.NoError(t, err)
-	require.DeepEqual(t, want, got)
-
-	// Test copy does not mutate.
-	got[0].ProposerIndex = 102
-	require.DeepNotEqual(t, want, got)
-}

beacon-chain/state/state-native/v1/getters_block_test.go

@@ -1,45 +0,0 @@
-package v1
-
-import (
-	"testing"
-
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	testtmpl "github.com/prysmaticlabs/prysm/beacon-chain/state/testing"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-func TestBeaconState_LatestBlockHeader(t *testing.T) {
-	testtmpl.VerifyBeaconStateLatestBlockHeader(
-		t,
-		func() (state.BeaconState, error) {
-			return InitializeFromProto(&ethpb.BeaconState{})
-		},
-		func(BH *ethpb.BeaconBlockHeader) (state.BeaconState, error) {
-			return InitializeFromProto(&ethpb.BeaconState{LatestBlockHeader: BH})
-		},
-	)
-}
-
-func TestBeaconState_BlockRoots(t *testing.T) {
-	testtmpl.VerifyBeaconStateBlockRootsNative(
-		t,
-		func() (state.BeaconState, error) {
-			return InitializeFromProto(&ethpb.BeaconState{})
-		},
-		func(BR [][]byte) (state.BeaconState, error) {
-			return InitializeFromProto(&ethpb.BeaconState{BlockRoots: BR})
-		},
-	)
-}
-
-func TestBeaconState_BlockRootAtIndex(t *testing.T) {
-	testtmpl.VerifyBeaconStateBlockRootAtIndexNative(
-		t,
-		func() (state.BeaconState, error) {
-			return InitializeFromProto(&ethpb.BeaconState{})
-		},
-		func(BR [][]byte) (state.BeaconState, error) {
-			return InitializeFromProto(&ethpb.BeaconState{BlockRoots: BR})
-		},
-	)
-}

beacon-chain/state/state-native/v1/getters_checkpoint.go

@@ -1,124 +0,0 @@
-package v1
-
-import (
-	"bytes"
-
-	types "github.com/prysmaticlabs/eth2-types"
-	"github.com/prysmaticlabs/go-bitfield"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-// JustificationBits marking which epochs have been justified in the beacon chain.
-func (b *BeaconState) JustificationBits() bitfield.Bitvector4 {
-	if b.justificationBits == nil {
-		return nil
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.justificationBitsVal()
-}
-
-// justificationBitsVal marking which epochs have been justified in the beacon chain.
-// This assumes that a lock is already held on BeaconState.
-func (b *BeaconState) justificationBitsVal() bitfield.Bitvector4 {
-	if b.justificationBits == nil {
-		return nil
-	}
-
-	res := make([]byte, len(b.justificationBits.Bytes()))
-	copy(res, b.justificationBits.Bytes())
-	return res
-}
-
-// PreviousJustifiedCheckpoint denoting an epoch and block root.
-func (b *BeaconState) PreviousJustifiedCheckpoint() *ethpb.Checkpoint {
-	if b.previousJustifiedCheckpoint == nil {
-		return nil
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.previousJustifiedCheckpointVal()
-}
-
-// previousJustifiedCheckpointVal denoting an epoch and block root.
-// This assumes that a lock is already held on BeaconState.
-func (b *BeaconState) previousJustifiedCheckpointVal() *ethpb.Checkpoint {
-	return ethpb.CopyCheckpoint(b.previousJustifiedCheckpoint)
-}
-
-// CurrentJustifiedCheckpoint denoting an epoch and block root.
-func (b *BeaconState) CurrentJustifiedCheckpoint() *ethpb.Checkpoint {
-	if b.currentJustifiedCheckpoint == nil {
-		return nil
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.currentJustifiedCheckpointVal()
-}
-
-// currentJustifiedCheckpointVal denoting an epoch and block root.
-// This assumes that a lock is already held on BeaconState.
-func (b *BeaconState) currentJustifiedCheckpointVal() *ethpb.Checkpoint {
-	return ethpb.CopyCheckpoint(b.currentJustifiedCheckpoint)
-}
-
-// MatchCurrentJustifiedCheckpoint returns true if input justified checkpoint matches
-// the current justified checkpoint in state.
-func (b *BeaconState) MatchCurrentJustifiedCheckpoint(c *ethpb.Checkpoint) bool {
-	if b.currentJustifiedCheckpoint == nil {
-		return false
-	}
-
-	if c.Epoch != b.currentJustifiedCheckpoint.Epoch {
-		return false
-	}
-	return bytes.Equal(c.Root, b.currentJustifiedCheckpoint.Root)
-}
-
-// MatchPreviousJustifiedCheckpoint returns true if the input justified checkpoint matches
-// the previous justified checkpoint in state.
-func (b *BeaconState) MatchPreviousJustifiedCheckpoint(c *ethpb.Checkpoint) bool {
-	if b.previousJustifiedCheckpoint == nil {
-		return false
-	}
-
-	if c.Epoch != b.previousJustifiedCheckpoint.Epoch {
-		return false
-	}
-	return bytes.Equal(c.Root, b.previousJustifiedCheckpoint.Root)
-}
-
-// FinalizedCheckpoint denoting an epoch and block root.
-func (b *BeaconState) FinalizedCheckpoint() *ethpb.Checkpoint {
-	if b.finalizedCheckpoint == nil {
-		return nil
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.finalizedCheckpointVal()
-}
-
-// finalizedCheckpointVal denoting an epoch and block root.
-// This assumes that a lock is already held on BeaconState.
-func (b *BeaconState) finalizedCheckpointVal() *ethpb.Checkpoint {
-	return ethpb.CopyCheckpoint(b.finalizedCheckpoint)
-}
-
-// FinalizedCheckpointEpoch returns the epoch value of the finalized checkpoint.
-func (b *BeaconState) FinalizedCheckpointEpoch() types.Epoch {
-	if b.finalizedCheckpoint == nil {
-		return 0
-	}
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.finalizedCheckpoint.Epoch
-}

beacon-chain/state/state-native/v1/getters_checkpoint_test.go

@@ -1,74 +0,0 @@
-package v1
-
-import (
-	"testing"
-
-	"github.com/prysmaticlabs/go-bitfield"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	testtmpl "github.com/prysmaticlabs/prysm/beacon-chain/state/testing"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-func TestBeaconState_JustificationBitsNil(t *testing.T) {
-	testtmpl.VerifyBeaconStateJustificationBitsNil(
-		t,
-		func() (state.BeaconState, error) {
-			return InitializeFromProtoUnsafe(&ethpb.BeaconState{})
-		})
-}
-
-func TestBeaconState_JustificationBits(t *testing.T) {
-	testtmpl.VerifyBeaconStateJustificationBits(
-		t,
-		func(bits bitfield.Bitvector4) (state.BeaconState, error) {
-			return InitializeFromProtoUnsafe(&ethpb.BeaconState{JustificationBits: bits})
-		})
-}
-
-func TestBeaconState_PreviousJustifiedCheckpointNil(t *testing.T) {
-	testtmpl.VerifyBeaconStatePreviousJustifiedCheckpointNil(
-		t,
-		func() (state.BeaconState, error) {
-			return InitializeFromProtoUnsafe(&ethpb.BeaconState{})
-		})
-}
-
-func TestBeaconState_PreviousJustifiedCheckpoint(t *testing.T) {
-	testtmpl.VerifyBeaconStatePreviousJustifiedCheckpoint(
-		t,
-		func(cp *ethpb.Checkpoint) (state.BeaconState, error) {
-			return InitializeFromProtoUnsafe(&ethpb.BeaconState{PreviousJustifiedCheckpoint: cp})
-		})
-}
-
-func TestBeaconState_CurrentJustifiedCheckpointNil(t *testing.T) {
-	testtmpl.VerifyBeaconStateCurrentJustifiedCheckpointNil(
-		t,
-		func() (state.BeaconState, error) {
-			return InitializeFromProtoUnsafe(&ethpb.BeaconState{})
-		})
-}
-
-func TestBeaconState_CurrentJustifiedCheckpoint(t *testing.T) {
-	testtmpl.VerifyBeaconStateCurrentJustifiedCheckpoint(
-		t,
-		func(cp *ethpb.Checkpoint) (state.BeaconState, error) {
-			return InitializeFromProtoUnsafe(&ethpb.BeaconState{CurrentJustifiedCheckpoint: cp})
-		})
-}
-
-func TestBeaconState_FinalizedCheckpointNil(t *testing.T) {
-	testtmpl.VerifyBeaconStateFinalizedCheckpointNil(
-		t,
-		func() (state.BeaconState, error) {
-			return InitializeFromProtoUnsafe(&ethpb.BeaconState{})
-		})
-}
-
-func TestBeaconState_FinalizedCheckpoint(t *testing.T) {
-	testtmpl.VerifyBeaconStateFinalizedCheckpoint(
-		t,
-		func(cp *ethpb.Checkpoint) (state.BeaconState, error) {
-			return InitializeFromProtoUnsafe(&ethpb.BeaconState{FinalizedCheckpoint: cp})
-		})
-}

beacon-chain/state/state-native/v1/getters_eth1.go

@@ -1,64 +0,0 @@
-package v1
-
-import (
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-// Eth1Data corresponding to the proof-of-work chain information stored in the beacon state.
-func (b *BeaconState) Eth1Data() *ethpb.Eth1Data {
-	if b.eth1Data == nil {
-		return nil
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.eth1DataVal()
-}
-
-// eth1DataVal corresponding to the proof-of-work chain information stored in the beacon state.
-// This assumes that a lock is already held on BeaconState.
-func (b *BeaconState) eth1DataVal() *ethpb.Eth1Data {
-	if b.eth1Data == nil {
-		return nil
-	}
-
-	return ethpb.CopyETH1Data(b.eth1Data)
-}
-
-// Eth1DataVotes corresponds to votes from Ethereum on the canonical proof-of-work chain
-// data retrieved from eth1.
-func (b *BeaconState) Eth1DataVotes() []*ethpb.Eth1Data {
-	if b.eth1DataVotes == nil {
-		return nil
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.eth1DataVotesVal()
-}
-
-// eth1DataVotesVal corresponds to votes from Ethereum on the canonical proof-of-work chain
-// data retrieved from eth1.
-// This assumes that a lock is already held on BeaconState.
-func (b *BeaconState) eth1DataVotesVal() []*ethpb.Eth1Data {
-	if b.eth1DataVotes == nil {
-		return nil
-	}
-
-	res := make([]*ethpb.Eth1Data, len(b.eth1DataVotes))
-	for i := 0; i < len(res); i++ {
-		res[i] = ethpb.CopyETH1Data(b.eth1DataVotes[i])
-	}
-	return res
-}
-
-// Eth1DepositIndex corresponds to the index of the deposit made to the
-// validator deposit contract at the time of this state's eth1 data.
-func (b *BeaconState) Eth1DepositIndex() uint64 {
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.eth1DepositIndex
-}

beacon-chain/state/state-native/v1/getters_randao.go

@@ -1,66 +0,0 @@
-package v1
-
-import (
-	"fmt"
-)
-
-// RandaoMixes of block proposers on the beacon chain.
-func (b *BeaconState) RandaoMixes() [][]byte {
-	if b.randaoMixes == nil {
-		return nil
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.randaoMixes.Slice()
-}
-
-// RandaoMixAtIndex retrieves a specific block root based on an
-// input index value.
-func (b *BeaconState) RandaoMixAtIndex(idx uint64) ([]byte, error) {
-	if b.randaoMixes == nil {
-		return nil, nil
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	m, err := b.randaoMixAtIndex(idx)
-	if err != nil {
-		return nil, err
-	}
-	return m[:], nil
-}
-
-// randaoMixAtIndex retrieves a specific block root based on an
-// input index value.
-// This assumes that a lock is already held on BeaconState.
-func (b *BeaconState) randaoMixAtIndex(idx uint64) ([32]byte, error) {
-	if uint64(len(b.randaoMixes)) <= idx {
-		return [32]byte{}, fmt.Errorf("index %d out of range", idx)
-	}
-	return b.randaoMixes[idx], nil
-}
-
-// RandaoMixesLength returns the length of the randao mixes slice.
-func (b *BeaconState) RandaoMixesLength() int {
-	if b.randaoMixes == nil {
-		return 0
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.randaoMixesLength()
-}
-
-// randaoMixesLength returns the length of the randao mixes slice.
-// This assumes that a lock is already held on BeaconState.
-func (b *BeaconState) randaoMixesLength() int {
-	if b.randaoMixes == nil {
-		return 0
-	}
-
-	return len(b.randaoMixes)
-}

beacon-chain/state/state-native/v1/getters_test.go

@@ -1,39 +0,0 @@
-package v1
-
-import (
-	"testing"
-
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	testtmpl "github.com/prysmaticlabs/prysm/beacon-chain/state/testing"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-func TestBeaconState_SlotDataRace(t *testing.T) {
-	testtmpl.VerifyBeaconStateSlotDataRace(t, func() (state.BeaconState, error) {
-		return InitializeFromProto(&ethpb.BeaconState{Slot: 1})
-	})
-}
-
-func TestBeaconState_MatchCurrentJustifiedCheckpt(t *testing.T) {
-	testtmpl.VerifyBeaconStateMatchCurrentJustifiedCheckptNative(
-		t,
-		func(cp *ethpb.Checkpoint) (state.BeaconState, error) {
-			return InitializeFromProto(&ethpb.BeaconState{CurrentJustifiedCheckpoint: cp})
-		},
-	)
-}
-
-func TestBeaconState_MatchPreviousJustifiedCheckpt(t *testing.T) {
-	testtmpl.VerifyBeaconStateMatchPreviousJustifiedCheckptNative(
-		t,
-		func(cp *ethpb.Checkpoint) (state.BeaconState, error) {
-			return InitializeFromProto(&ethpb.BeaconState{PreviousJustifiedCheckpoint: cp})
-		},
-	)
-}
-
-func TestBeaconState_ValidatorByPubkey(t *testing.T) {
-	testtmpl.VerifyBeaconStateValidatorByPubkey(t, func() (state.BeaconState, error) {
-		return InitializeFromProto(&ethpb.BeaconState{})
-	})
-}

beacon-chain/state/state-native/v1/getters_validator.go

@@ -1,250 +0,0 @@
-package v1
-
-import (
-	"fmt"
-
-	"github.com/pkg/errors"
-	types "github.com/prysmaticlabs/eth2-types"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-// ValidatorIndexOutOfRangeError represents an error scenario where a validator does not exist
-// at a given index in the validator's array.
-type ValidatorIndexOutOfRangeError struct {
-	message string
-}
-
-// NewValidatorIndexOutOfRangeError creates a new error instance.
-func NewValidatorIndexOutOfRangeError(index types.ValidatorIndex) ValidatorIndexOutOfRangeError {
-	return ValidatorIndexOutOfRangeError{
-		message: fmt.Sprintf("index %d out of range", index),
-	}
-}
-
-// Error returns the underlying error message.
-func (e *ValidatorIndexOutOfRangeError) Error() string {
-	return e.message
-}
-
-// Validators participating in consensus on the beacon chain.
-func (b *BeaconState) Validators() []*ethpb.Validator {
-	if b.validators == nil {
-		return nil
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.validatorsVal()
-}
-
-// validatorsVal participating in consensus on the beacon chain.
-// This assumes that a lock is already held on BeaconState.
-func (b *BeaconState) validatorsVal() []*ethpb.Validator {
-	if b.validators == nil {
-		return nil
-	}
-
-	res := make([]*ethpb.Validator, len(b.validators))
-	for i := 0; i < len(res); i++ {
-		val := b.validators[i]
-		if val == nil {
-			continue
-		}
-		res[i] = ethpb.CopyValidator(val)
-	}
-	return res
-}
-
-// references of validators participating in consensus on the beacon chain.
-// This assumes that a lock is already held on BeaconState. This does not
-// copy fully and instead just copies the reference.
-func (b *BeaconState) validatorsReferences() []*ethpb.Validator {
-	if b.validators == nil {
-		return nil
-	}
-
-	res := make([]*ethpb.Validator, len(b.validators))
-	for i := 0; i < len(res); i++ {
-		validator := b.validators[i]
-		if validator == nil {
-			continue
-		}
-		// copy validator reference instead.
-		res[i] = validator
-	}
-	return res
-}
-
-// ValidatorAtIndex is the validator at the provided index.
-func (b *BeaconState) ValidatorAtIndex(idx types.ValidatorIndex) (*ethpb.Validator, error) {
-	if b.validators == nil {
-		return &ethpb.Validator{}, nil
-	}
-	if uint64(len(b.validators)) <= uint64(idx) {
-		e := NewValidatorIndexOutOfRangeError(idx)
-		return nil, &e
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	val := b.validators[idx]
-	return ethpb.CopyValidator(val), nil
-}
-
-// ValidatorAtIndexReadOnly is the validator at the provided index. This method
-// doesn't clone the validator.
-func (b *BeaconState) ValidatorAtIndexReadOnly(idx types.ValidatorIndex) (state.ReadOnlyValidator, error) {
-	if b.validators == nil {
-		return nil, state.ErrNilValidatorsInState
-	}
-	if uint64(len(b.validators)) <= uint64(idx) {
-		e := NewValidatorIndexOutOfRangeError(idx)
-		return nil, &e
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return NewValidator(b.validators[idx])
-}
-
-// ValidatorIndexByPubkey returns a given validator by its 48-byte public key.
-func (b *BeaconState) ValidatorIndexByPubkey(key [fieldparams.BLSPubkeyLength]byte) (types.ValidatorIndex, bool) {
-	if b == nil || b.valMapHandler == nil || b.valMapHandler.IsNil() {
-		return 0, false
-	}
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-	numOfVals := len(b.validators)
-
-	idx, ok := b.valMapHandler.Get(key)
-	if ok && types.ValidatorIndex(numOfVals) <= idx {
-		return types.ValidatorIndex(0), false
-	}
-	return idx, ok
-}
-
-// PubkeyAtIndex returns the pubkey at the given
-// validator index.
-func (b *BeaconState) PubkeyAtIndex(idx types.ValidatorIndex) [fieldparams.BLSPubkeyLength]byte {
-	if uint64(idx) >= uint64(len(b.validators)) {
-		return [fieldparams.BLSPubkeyLength]byte{}
-	}
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	if b.validators[idx] == nil {
-		return [fieldparams.BLSPubkeyLength]byte{}
-	}
-	return bytesutil.ToBytes48(b.validators[idx].PublicKey)
-}
-
-// NumValidators returns the size of the validator registry.
-func (b *BeaconState) NumValidators() int {
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return len(b.validators)
-}
-
-// ReadFromEveryValidator reads values from every validator and applies it to the provided function.
-// Warning: This method is potentially unsafe, as it exposes the actual validator registry.
-func (b *BeaconState) ReadFromEveryValidator(f func(idx int, val state.ReadOnlyValidator) error) error {
-	if b.validators == nil {
-		return errors.New("nil validators in state")
-	}
-	b.lock.RLock()
-	validators := b.validators
-	b.lock.RUnlock()
-
-	for i, v := range validators {
-		v, err := NewValidator(v)
-		if err != nil {
-			return err
-		}
-		if err := f(i, v); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// Balances of validators participating in consensus on the beacon chain.
-func (b *BeaconState) Balances() []uint64 {
-	if b.balances == nil {
-		return nil
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.balancesVal()
-}
-
-// balances of validators participating in consensus on the beacon chain.
-// This assumes that a lock is already held on BeaconState.
-func (b *BeaconState) balancesVal() []uint64 {
-	if b.balances == nil {
-		return nil
-	}
-
-	res := make([]uint64, len(b.balances))
-	copy(res, b.balances)
-	return res
-}
-
-// BalanceAtIndex of validator with the provided index.
-func (b *BeaconState) BalanceAtIndex(idx types.ValidatorIndex) (uint64, error) {
-	if b.balances == nil {
-		return 0, nil
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	if uint64(len(b.balances)) <= uint64(idx) {
-		return 0, fmt.Errorf("index of %d does not exist", idx)
-	}
-	return b.balances[idx], nil
-}
-
-// BalancesLength returns the length of the balances slice.
-func (b *BeaconState) BalancesLength() int {
-	if b.balances == nil {
-		return 0
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.balancesLength()
-}
-
-// Slashings of validators on the beacon chain.
-func (b *BeaconState) Slashings() []uint64 {
-	if b.slashings == nil {
-		return nil
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.slashingsVal()
-}
-
-// slashings of validators on the beacon chain.
-// This assumes that a lock is already held on BeaconState.
-func (b *BeaconState) slashingsVal() []uint64 {
-	if b.slashings == nil {
-		return nil
-	}
-
-	res := make([]uint64, len(b.slashings))
-	copy(res, b.slashings)
-	return res
-}

beacon-chain/state/state-native/v1/getters_validator_test.go

@@ -1,18 +0,0 @@
-package v1_test
-
-import (
-	"testing"
-
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	v1 "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/v1"
-	testtmpl "github.com/prysmaticlabs/prysm/beacon-chain/state/testing"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-func TestBeaconState_ValidatorAtIndexReadOnly_HandlesNilSlice(t *testing.T) {
-	testtmpl.VerifyBeaconStateValidatorAtIndexReadOnlyHandlesNilSlice(t, func() (state.BeaconState, error) {
-		return v1.InitializeFromProtoUnsafe(&ethpb.BeaconState{
-			Validators: nil,
-		})
-	})
-}

beacon-chain/state/state-native/v1/proofs_test.go

@@ -1,64 +0,0 @@
-package v1_test
-
-import (
-	"context"
-	"testing"
-
-	v1 "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/v1"
-	"github.com/prysmaticlabs/prysm/container/trie"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
-)
-
-func TestBeaconStateMerkleProofs(t *testing.T) {
-	ctx := context.Background()
-	st, _ := util.DeterministicGenesisState(t, 256)
-	htr, err := st.HashTreeRoot(ctx)
-	require.NoError(t, err)
-	t.Run("current sync committee", func(t *testing.T) {
-		_, err := st.CurrentSyncCommitteeProof(ctx)
-		require.ErrorContains(t, "unsupported", err)
-	})
-	t.Run("next sync committee", func(t *testing.T) {
-		_, err := st.NextSyncCommitteeProof(ctx)
-		require.ErrorContains(t, "unsupported", err)
-	})
-	t.Run("finalized root", func(t *testing.T) {
-		finalizedRoot := st.FinalizedCheckpoint().Root
-		proof, err := st.FinalizedRootProof(ctx)
-		require.NoError(t, err)
-		gIndex := v1.FinalizedRootGeneralizedIndex()
-		valid := trie.VerifyMerkleProof(htr[:], finalizedRoot, gIndex, proof)
-		require.Equal(t, true, valid)
-	})
-	t.Run("recomputes root on dirty fields", func(t *testing.T) {
-		currentRoot, err := st.HashTreeRoot(ctx)
-		require.NoError(t, err)
-		cpt := st.FinalizedCheckpoint()
-		require.NoError(t, err)
-
-		// Edit the checkpoint.
-		cpt.Epoch = 100
-		require.NoError(t, st.SetFinalizedCheckpoint(cpt))
-
-		// Produce a proof for the finalized root.
-		proof, err := st.FinalizedRootProof(ctx)
-		require.NoError(t, err)
-
-		// We expect the previous step to have triggered
-		// a recomputation of dirty fields in the beacon state, resulting
-		// in a new hash tree root as the finalized checkpoint had previously
-		// changed and should have been marked as a dirty state field.
-		// The proof validity should be false for the old root, but true for the new.
-		finalizedRoot := st.FinalizedCheckpoint().Root
-		gIndex := v1.FinalizedRootGeneralizedIndex()
-		valid := trie.VerifyMerkleProof(currentRoot[:], finalizedRoot, gIndex, proof)
-		require.Equal(t, false, valid)
-
-		newRoot, err := st.HashTreeRoot(ctx)
-		require.NoError(t, err)
-
-		valid = trie.VerifyMerkleProof(newRoot[:], finalizedRoot, gIndex, proof)
-		require.Equal(t, true, valid)
-	})
-}

beacon-chain/state/state-native/v1/readonly_validator_test.go

@@ -1,74 +0,0 @@
-package v1_test
-
-import (
-	"testing"
-
-	types "github.com/prysmaticlabs/eth2-types"
-	v1 "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/v1"
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-)
-
-func TestReadOnlyValidator_ReturnsErrorOnNil(t *testing.T) {
-	if _, err := v1.NewValidator(nil); err != v1.ErrNilWrappedValidator {
-		t.Errorf("Wrong error returned. Got %v, wanted %v", err, v1.ErrNilWrappedValidator)
-	}
-}
-
-func TestReadOnlyValidator_EffectiveBalance(t *testing.T) {
-	bal := uint64(234)
-	v, err := v1.NewValidator(&ethpb.Validator{EffectiveBalance: bal})
-	require.NoError(t, err)
-	assert.Equal(t, bal, v.EffectiveBalance())
-}
-
-func TestReadOnlyValidator_ActivationEligibilityEpoch(t *testing.T) {
-	epoch := types.Epoch(234)
-	v, err := v1.NewValidator(&ethpb.Validator{ActivationEligibilityEpoch: epoch})
-	require.NoError(t, err)
-	assert.Equal(t, epoch, v.ActivationEligibilityEpoch())
-}
-
-func TestReadOnlyValidator_ActivationEpoch(t *testing.T) {
-	epoch := types.Epoch(234)
-	v, err := v1.NewValidator(&ethpb.Validator{ActivationEpoch: epoch})
-	require.NoError(t, err)
-	assert.Equal(t, epoch, v.ActivationEpoch())
-}
-
-func TestReadOnlyValidator_WithdrawableEpoch(t *testing.T) {
-	epoch := types.Epoch(234)
-	v, err := v1.NewValidator(&ethpb.Validator{WithdrawableEpoch: epoch})
-	require.NoError(t, err)
-	assert.Equal(t, epoch, v.WithdrawableEpoch())
-}
-
-func TestReadOnlyValidator_ExitEpoch(t *testing.T) {
-	epoch := types.Epoch(234)
-	v, err := v1.NewValidator(&ethpb.Validator{ExitEpoch: epoch})
-	require.NoError(t, err)
-	assert.Equal(t, epoch, v.ExitEpoch())
-}
-
-func TestReadOnlyValidator_PublicKey(t *testing.T) {
-	key := [fieldparams.BLSPubkeyLength]byte{0xFA, 0xCC}
-	v, err := v1.NewValidator(&ethpb.Validator{PublicKey: key[:]})
-	require.NoError(t, err)
-	assert.Equal(t, key, v.PublicKey())
-}
-
-func TestReadOnlyValidator_WithdrawalCredentials(t *testing.T) {
-	creds := []byte{0xFA, 0xCC}
-	v, err := v1.NewValidator(&ethpb.Validator{WithdrawalCredentials: creds})
-	require.NoError(t, err)
-	assert.DeepEqual(t, creds, v.WithdrawalCredentials())
-}
-
-func TestReadOnlyValidator_Slashed(t *testing.T) {
-	slashed := true
-	v, err := v1.NewValidator(&ethpb.Validator{Slashed: slashed})
-	require.NoError(t, err)
-	assert.Equal(t, slashed, v.Slashed())
-}

beacon-chain/state/state-native/v1/references_test.go

@@ -1,393 +0,0 @@
-package v1
-
-import (
-	"reflect"
-	"runtime"
-	"runtime/debug"
-	"testing"
-
-	"github.com/prysmaticlabs/go-bitfield"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/types"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-)
-
-func TestStateReferenceSharing_Finalizer(t *testing.T) {
-	// This test showcases the logic on a the RandaoMixes field with the GC finalizer.
-
-	a, err := InitializeFromProtoUnsafe(&ethpb.BeaconState{RandaoMixes: [][]byte{[]byte("foo")}})
-	require.NoError(t, err)
-	s, ok := a.(*BeaconState)
-	require.Equal(t, true, ok)
-	assert.Equal(t, uint(1), s.sharedFieldReferences[randaoMixes].Refs(), "Expected a single reference for RANDAO mixes")
-
-	func() {
-		// Create object in a different scope for GC
-		b := a.Copy()
-		assert.Equal(t, uint(2), s.sharedFieldReferences[randaoMixes].Refs(), "Expected 2 references to RANDAO mixes")
-		_ = b
-	}()
-
-	runtime.GC() // Should run finalizer on object b
-	assert.Equal(t, uint(1), s.sharedFieldReferences[randaoMixes].Refs(), "Expected 1 shared reference to RANDAO mixes!")
-
-	copied := a.Copy()
-	b, ok := copied.(*BeaconState)
-	require.Equal(t, true, ok)
-	assert.Equal(t, uint(2), b.sharedFieldReferences[randaoMixes].Refs(), "Expected 2 shared references to RANDAO mixes")
-	require.NoError(t, b.UpdateRandaoMixesAtIndex(0, []byte("bar")))
-	if b.sharedFieldReferences[randaoMixes].Refs() != 1 || s.sharedFieldReferences[randaoMixes].Refs() != 1 {
-		t.Error("Expected 1 shared reference to RANDAO mix for both a and b")
-	}
-}
-
-func TestStateReferenceCopy_NoUnexpectedRootsMutation(t *testing.T) {
-	root1, root2 := bytesutil.ToBytes32([]byte("foo")), bytesutil.ToBytes32([]byte("bar"))
-	a, err := InitializeFromProtoUnsafe(&ethpb.BeaconState{
-		BlockRoots: [][]byte{
-			root1[:],
-		},
-		StateRoots: [][]byte{
-			root1[:],
-		},
-	})
-	require.NoError(t, err)
-	s, ok := a.(*BeaconState)
-	require.Equal(t, true, ok)
-	assertRefCount(t, s, blockRoots, 1)
-	assertRefCount(t, s, stateRoots, 1)
-
-	// Copy, increases reference count.
-	copied := a.Copy()
-	b, ok := copied.(*BeaconState)
-	require.Equal(t, true, ok)
-	assertRefCount(t, s, blockRoots, 2)
-	assertRefCount(t, s, stateRoots, 2)
-	assertRefCount(t, b, blockRoots, 2)
-	assertRefCount(t, b, stateRoots, 2)
-	assert.Equal(t, 8192, len(b.BlockRoots()), "Wrong number of block roots found")
-	assert.Equal(t, 8192, len(b.StateRoots()), "Wrong number of state roots found")
-
-	// Assert shared state.
-	blockRootsA := a.BlockRoots()
-	stateRootsA := a.StateRoots()
-	blockRootsB := b.BlockRoots()
-	stateRootsB := b.StateRoots()
-	if len(blockRootsA) != len(blockRootsB) || len(blockRootsA) < 1 {
-		t.Errorf("Unexpected number of block roots, want: %v", 1)
-	}
-	if len(stateRootsA) != len(stateRootsB) || len(stateRootsA) < 1 {
-		t.Errorf("Unexpected number of state roots, want: %v", 1)
-	}
-	assertValFound(t, blockRootsA, root1[:])
-	assertValFound(t, blockRootsB, root1[:])
-	assertValFound(t, stateRootsA, root1[:])
-	assertValFound(t, stateRootsB, root1[:])
-
-	// Mutator should only affect calling state: a.
-	require.NoError(t, a.UpdateBlockRootAtIndex(0, root2))
-	require.NoError(t, a.UpdateStateRootAtIndex(0, root2))
-
-	// Assert no shared state mutation occurred only on state a (copy on write).
-	assertValNotFound(t, a.BlockRoots(), root1[:])
-	assertValNotFound(t, a.StateRoots(), root1[:])
-	assertValFound(t, a.BlockRoots(), root2[:])
-	assertValFound(t, a.StateRoots(), root2[:])
-	assertValFound(t, b.BlockRoots(), root1[:])
-	assertValFound(t, b.StateRoots(), root1[:])
-	if len(blockRootsA) != len(blockRootsB) || len(blockRootsA) < 1 {
-		t.Errorf("Unexpected number of block roots, want: %v", 1)
-	}
-	if len(stateRootsA) != len(stateRootsB) || len(stateRootsA) < 1 {
-		t.Errorf("Unexpected number of state roots, want: %v", 1)
-	}
-	assert.DeepEqual(t, root2[:], a.BlockRoots()[0], "Expected mutation not found")
-	assert.DeepEqual(t, root2[:], a.StateRoots()[0], "Expected mutation not found")
-	assert.DeepEqual(t, root1[:], blockRootsB[0], "Unexpected mutation found")
-	assert.DeepEqual(t, root1[:], stateRootsB[0], "Unexpected mutation found")
-
-	// Copy on write happened, reference counters are reset.
-	assertRefCount(t, s, blockRoots, 1)
-	assertRefCount(t, s, stateRoots, 1)
-	assertRefCount(t, b, blockRoots, 1)
-	assertRefCount(t, b, stateRoots, 1)
-}
-
-func TestStateReferenceCopy_NoUnexpectedRandaoMutation(t *testing.T) {
-
-	val1, val2 := bytesutil.PadTo([]byte("foo"), 32), bytesutil.PadTo([]byte("bar"), 32)
-	a, err := InitializeFromProtoUnsafe(&ethpb.BeaconState{
-		RandaoMixes: [][]byte{
-			val1,
-		},
-	})
-	require.NoError(t, err)
-	s, ok := a.(*BeaconState)
-	require.Equal(t, true, ok)
-	assertRefCount(t, s, randaoMixes, 1)
-
-	// Copy, increases reference count.
-	copied := a.Copy()
-	b, ok := copied.(*BeaconState)
-	require.Equal(t, true, ok)
-	assertRefCount(t, s, randaoMixes, 2)
-	assertRefCount(t, b, randaoMixes, 2)
-
-	// Assert shared state.
-	mixesA := a.RandaoMixes()
-	mixesB := b.RandaoMixes()
-	if len(mixesA) != len(mixesB) || len(mixesA) < 1 {
-		t.Errorf("Unexpected number of mix values, want: %v", 1)
-	}
-	assertValFound(t, mixesA, val1)
-	assertValFound(t, mixesB, val1)
-
-	// Mutator should only affect calling state: a.
-	require.NoError(t, a.UpdateRandaoMixesAtIndex(0, val2))
-
-	// Assert no shared state mutation occurred only on state a (copy on write).
-	if len(mixesA) != len(mixesB) || len(mixesA) < 1 {
-		t.Errorf("Unexpected number of mix values, want: %v", 1)
-	}
-	assertValFound(t, a.RandaoMixes(), val2)
-	assertValNotFound(t, a.RandaoMixes(), val1)
-	assertValFound(t, b.RandaoMixes(), val1)
-	assertValNotFound(t, b.RandaoMixes(), val2)
-	assertValFound(t, mixesB, val1)
-	assertValNotFound(t, mixesB, val2)
-	assert.DeepEqual(t, val2, a.RandaoMixes()[0], "Expected mutation not found")
-	assert.DeepEqual(t, val1, mixesB[0], "Unexpected mutation found")
-
-	// Copy on write happened, reference counters are reset.
-	assertRefCount(t, s, randaoMixes, 1)
-	assertRefCount(t, b, randaoMixes, 1)
-}
-
-func TestStateReferenceCopy_NoUnexpectedAttestationsMutation(t *testing.T) {
-	assertAttFound := func(vals []*ethpb.PendingAttestation, val uint64) {
-		for i := range vals {
-			if reflect.DeepEqual(vals[i].AggregationBits, bitfield.NewBitlist(val)) {
-				return
-			}
-		}
-		t.Log(string(debug.Stack()))
-		t.Fatalf("Expected attestation not found (%v), want: %v", vals, val)
-	}
-	assertAttNotFound := func(vals []*ethpb.PendingAttestation, val uint64) {
-		for i := range vals {
-			if reflect.DeepEqual(vals[i].AggregationBits, bitfield.NewBitlist(val)) {
-				t.Log(string(debug.Stack()))
-				t.Fatalf("Unexpected attestation found (%v): %v", vals, val)
-				return
-			}
-		}
-	}
-
-	a, err := InitializeFromProtoUnsafe(&ethpb.BeaconState{})
-	require.NoError(t, err)
-	s, ok := a.(*BeaconState)
-	require.Equal(t, true, ok)
-	assertRefCount(t, s, previousEpochAttestations, 1)
-	assertRefCount(t, s, currentEpochAttestations, 1)
-
-	// Update initial state.
-	atts := []*ethpb.PendingAttestation{
-		{AggregationBits: bitfield.NewBitlist(1)},
-		{AggregationBits: bitfield.NewBitlist(2)},
-	}
-	s.setPreviousEpochAttestations(atts[:1])
-	s.setCurrentEpochAttestations(atts[:1])
-	curAtt, err := a.CurrentEpochAttestations()
-	require.NoError(t, err)
-	assert.Equal(t, 1, len(curAtt), "Unexpected number of attestations")
-	preAtt, err := a.PreviousEpochAttestations()
-	require.NoError(t, err)
-	assert.Equal(t, 1, len(preAtt), "Unexpected number of attestations")
-
-	// Copy, increases reference count.
-	copied := a.Copy()
-	b, ok := copied.(*BeaconState)
-	require.Equal(t, true, ok)
-	assertRefCount(t, s, previousEpochAttestations, 2)
-	assertRefCount(t, s, currentEpochAttestations, 2)
-	assertRefCount(t, b, previousEpochAttestations, 2)
-	assertRefCount(t, b, currentEpochAttestations, 2)
-	bPrevEpochAtts, err := b.PreviousEpochAttestations()
-	require.NoError(t, err)
-	bCurrEpochAtts, err := b.CurrentEpochAttestations()
-	require.NoError(t, err)
-	assert.Equal(t, 1, len(bPrevEpochAtts), "Unexpected number of attestations")
-	assert.Equal(t, 1, len(bCurrEpochAtts), "Unexpected number of attestations")
-
-	// Assert shared state.
-	aCurrEpochAtts, err := a.CurrentEpochAttestations()
-	require.NoError(t, err)
-	curAttsA := aCurrEpochAtts
-	aPrevEpochAtts, err := a.PreviousEpochAttestations()
-	require.NoError(t, err)
-	prevAttsA := aPrevEpochAtts
-	bCurrEpochAtts, err = b.CurrentEpochAttestations()
-	require.NoError(t, err)
-	curAttsB := bCurrEpochAtts
-	bPrevEpochAtts, err = b.PreviousEpochAttestations()
-	require.NoError(t, err)
-	prevAttsB := bPrevEpochAtts
-	if len(curAttsA) != len(curAttsB) || len(curAttsA) < 1 {
-		t.Errorf("Unexpected number of attestations, want: %v", 1)
-	}
-	if len(prevAttsA) != len(prevAttsB) || len(prevAttsA) < 1 {
-		t.Errorf("Unexpected number of attestations, want: %v", 1)
-	}
-	assertAttFound(curAttsA, 1)
-	assertAttFound(prevAttsA, 1)
-	assertAttFound(curAttsB, 1)
-	assertAttFound(prevAttsB, 1)
-
-	// Extends state a attestations.
-	require.NoError(t, a.AppendCurrentEpochAttestations(atts[1]))
-	require.NoError(t, a.AppendPreviousEpochAttestations(atts[1]))
-	curAtt, err = a.CurrentEpochAttestations()
-	require.NoError(t, err)
-	assert.Equal(t, 2, len(curAtt), "Unexpected number of attestations")
-	preAtt, err = a.PreviousEpochAttestations()
-	require.NoError(t, err)
-	assert.Equal(t, 2, len(preAtt), "Unexpected number of attestations")
-	aCurrEpochAtts, err = a.CurrentEpochAttestations()
-	require.NoError(t, err)
-	aPrevEpochAtts, err = a.PreviousEpochAttestations()
-	require.NoError(t, err)
-	bCurrEpochAtts, err = b.CurrentEpochAttestations()
-	require.NoError(t, err)
-	bPrevEpochAtts, err = b.PreviousEpochAttestations()
-	require.NoError(t, err)
-	assertAttFound(aCurrEpochAtts, 1)
-	assertAttFound(aPrevEpochAtts, 1)
-	assertAttFound(aCurrEpochAtts, 2)
-	assertAttFound(aPrevEpochAtts, 2)
-	assertAttFound(bCurrEpochAtts, 1)
-	assertAttFound(bPrevEpochAtts, 1)
-	assertAttNotFound(bCurrEpochAtts, 2)
-	assertAttNotFound(bPrevEpochAtts, 2)
-
-	// Mutator should only affect calling state: a.
-	applyToEveryAttestation := func(state *BeaconState) {
-		// One MUST copy on write.
-		atts = make([]*ethpb.PendingAttestation, len(state.currentEpochAttestations))
-		copy(atts, state.currentEpochAttestations)
-		state.currentEpochAttestations = atts
-		currEpochAtts, err := state.CurrentEpochAttestations()
-		require.NoError(t, err)
-		for i := range currEpochAtts {
-			att := ethpb.CopyPendingAttestation(state.currentEpochAttestations[i])
-			att.AggregationBits = bitfield.NewBitlist(3)
-			state.currentEpochAttestations[i] = att
-		}
-
-		atts = make([]*ethpb.PendingAttestation, len(state.previousEpochAttestations))
-		copy(atts, state.previousEpochAttestations)
-		state.previousEpochAttestations = atts
-		prevEpochAtts, err := state.PreviousEpochAttestations()
-		require.NoError(t, err)
-		for i := range prevEpochAtts {
-			att := ethpb.CopyPendingAttestation(state.previousEpochAttestations[i])
-			att.AggregationBits = bitfield.NewBitlist(3)
-			state.previousEpochAttestations[i] = att
-		}
-	}
-	applyToEveryAttestation(s)
-
-	aCurrEpochAtts, err = a.CurrentEpochAttestations()
-	require.NoError(t, err)
-	aPrevEpochAtts, err = a.PreviousEpochAttestations()
-	require.NoError(t, err)
-	bCurrEpochAtts, err = b.CurrentEpochAttestations()
-	require.NoError(t, err)
-	bPrevEpochAtts, err = b.PreviousEpochAttestations()
-	require.NoError(t, err)
-	// Assert no shared state mutation occurred only on state a (copy on write).
-	assertAttFound(aCurrEpochAtts, 3)
-	assertAttFound(aPrevEpochAtts, 3)
-	assertAttNotFound(aCurrEpochAtts, 1)
-	assertAttNotFound(aPrevEpochAtts, 1)
-	assertAttNotFound(aCurrEpochAtts, 2)
-	assertAttNotFound(aPrevEpochAtts, 2)
-	// State b must be unaffected.
-	assertAttNotFound(bCurrEpochAtts, 3)
-	assertAttNotFound(bPrevEpochAtts, 3)
-	assertAttFound(bCurrEpochAtts, 1)
-	assertAttFound(bPrevEpochAtts, 1)
-	assertAttNotFound(bCurrEpochAtts, 2)
-	assertAttNotFound(bPrevEpochAtts, 2)
-
-	// Copy on write happened, reference counters are reset.
-	assertRefCount(t, s, currentEpochAttestations, 1)
-	assertRefCount(t, b, currentEpochAttestations, 1)
-	assertRefCount(t, s, previousEpochAttestations, 1)
-	assertRefCount(t, b, previousEpochAttestations, 1)
-}
-
-func TestValidatorReferences_RemainsConsistent(t *testing.T) {
-	a, err := InitializeFromProtoUnsafe(&ethpb.BeaconState{
-		Validators: []*ethpb.Validator{
-			{PublicKey: []byte{'A'}},
-			{PublicKey: []byte{'B'}},
-			{PublicKey: []byte{'C'}},
-			{PublicKey: []byte{'D'}},
-			{PublicKey: []byte{'E'}},
-		},
-	})
-	require.NoError(t, err)
-
-	// Create a second state.
-	copied := a.Copy()
-	b, ok := copied.(*BeaconState)
-	require.Equal(t, true, ok)
-
-	// Update First Validator.
-	assert.NoError(t, a.UpdateValidatorAtIndex(0, &ethpb.Validator{PublicKey: []byte{'Z'}}))
-
-	assert.DeepNotEqual(t, a.Validators()[0], b.Validators()[0], "validators are equal when they are supposed to be different")
-	// Modify all validators from copied state.
-	assert.NoError(t, b.ApplyToEveryValidator(func(idx int, val *ethpb.Validator) (bool, *ethpb.Validator, error) {
-		return true, &ethpb.Validator{PublicKey: []byte{'V'}}, nil
-	}))
-
-	// Ensure reference is properly accounted for.
-	assert.NoError(t, a.ReadFromEveryValidator(func(idx int, val state.ReadOnlyValidator) error {
-		assert.NotEqual(t, bytesutil.ToBytes48([]byte{'V'}), val.PublicKey())
-		return nil
-	}))
-}
-
-// assertRefCount checks whether reference count for a given state
-// at a given index is equal to expected amount.
-func assertRefCount(t *testing.T, b *BeaconState, idx types.FieldIndex, want uint) {
-	if cnt := b.sharedFieldReferences[idx].Refs(); cnt != want {
-		t.Errorf("Unexpected count of references for index %d, want: %v, got: %v", idx, want, cnt)
-	}
-}
-
-// assertValFound checks whether item with a given value exists in list.
-func assertValFound(t *testing.T, vals [][]byte, val []byte) {
-	for i := range vals {
-		if reflect.DeepEqual(vals[i], val) {
-			return
-		}
-	}
-	t.Log(string(debug.Stack()))
-	t.Fatalf("Expected value not found (%v), want: %v", vals, val)
-}
-
-// assertValNotFound checks whether item with a given value doesn't exist in list.
-func assertValNotFound(t *testing.T, vals [][]byte, val []byte) {
-	for i := range vals {
-		if reflect.DeepEqual(vals[i], val) {
-			t.Log(string(debug.Stack()))
-			t.Errorf("Unexpected value found (%v),: %v", vals, val)
-			return
-		}
-	}
-}

beacon-chain/state/state-native/v1/setters_attestation_test.go

@@ -1,26 +0,0 @@
-package v1
-
-import (
-	"testing"
-
-	types "github.com/prysmaticlabs/eth2-types"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/require"
-)
-
-func TestBeaconState_RotateAttestations(t *testing.T) {
-	st, err := InitializeFromProto(&ethpb.BeaconState{
-		Slot:                      1,
-		CurrentEpochAttestations:  []*ethpb.PendingAttestation{{Data: &ethpb.AttestationData{Slot: 456}}},
-		PreviousEpochAttestations: []*ethpb.PendingAttestation{{Data: &ethpb.AttestationData{Slot: 123}}},
-	})
-	require.NoError(t, err)
-
-	require.NoError(t, st.RotateAttestations())
-	currEpochAtts, err := st.CurrentEpochAttestations()
-	require.NoError(t, err)
-	require.Equal(t, 0, len(currEpochAtts))
-	prevEpochAtts, err := st.PreviousEpochAttestations()
-	require.NoError(t, err)
-	require.Equal(t, types.Slot(456), prevEpochAtts[0].Data.Slot)
-}

beacon-chain/state/state-native/v1/setters_checkpoint.go

@@ -1,46 +0,0 @@
-package v1
-
-import (
-	"github.com/prysmaticlabs/go-bitfield"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-// SetJustificationBits for the beacon state.
-func (b *BeaconState) SetJustificationBits(val bitfield.Bitvector4) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	b.justificationBits = val
-	b.markFieldAsDirty(justificationBits)
-	return nil
-}
-
-// SetPreviousJustifiedCheckpoint for the beacon state.
-func (b *BeaconState) SetPreviousJustifiedCheckpoint(val *ethpb.Checkpoint) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	b.previousJustifiedCheckpoint = val
-	b.markFieldAsDirty(previousJustifiedCheckpoint)
-	return nil
-}
-
-// SetCurrentJustifiedCheckpoint for the beacon state.
-func (b *BeaconState) SetCurrentJustifiedCheckpoint(val *ethpb.Checkpoint) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	b.currentJustifiedCheckpoint = val
-	b.markFieldAsDirty(currentJustifiedCheckpoint)
-	return nil
-}
-
-// SetFinalizedCheckpoint for the beacon state.
-func (b *BeaconState) SetFinalizedCheckpoint(val *ethpb.Checkpoint) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	b.finalizedCheckpoint = val
-	b.markFieldAsDirty(finalizedCheckpoint)
-	return nil
-}

beacon-chain/state/state-native/v1/setters_eth1.go

@@ -1,62 +0,0 @@
-package v1
-
-import (
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-// SetEth1Data for the beacon state.
-func (b *BeaconState) SetEth1Data(val *ethpb.Eth1Data) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	b.eth1Data = val
-	b.markFieldAsDirty(eth1Data)
-	return nil
-}
-
-// SetEth1DataVotes for the beacon state. Updates the entire
-// list to a new value by overwriting the previous one.
-func (b *BeaconState) SetEth1DataVotes(val []*ethpb.Eth1Data) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	b.sharedFieldReferences[eth1DataVotes].MinusRef()
-	b.sharedFieldReferences[eth1DataVotes] = stateutil.NewRef(1)
-
-	b.eth1DataVotes = val
-	b.markFieldAsDirty(eth1DataVotes)
-	b.rebuildTrie[eth1DataVotes] = true
-	return nil
-}
-
-// SetEth1DepositIndex for the beacon state.
-func (b *BeaconState) SetEth1DepositIndex(val uint64) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	b.eth1DepositIndex = val
-	b.markFieldAsDirty(eth1DepositIndex)
-	return nil
-}
-
-// AppendEth1DataVotes for the beacon state. Appends the new value
-// to the the end of list.
-func (b *BeaconState) AppendEth1DataVotes(val *ethpb.Eth1Data) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	votes := b.eth1DataVotes
-	if b.sharedFieldReferences[eth1DataVotes].Refs() > 1 {
-		// Copy elements in underlying array by reference.
-		votes = make([]*ethpb.Eth1Data, len(b.eth1DataVotes))
-		copy(votes, b.eth1DataVotes)
-		b.sharedFieldReferences[eth1DataVotes].MinusRef()
-		b.sharedFieldReferences[eth1DataVotes] = stateutil.NewRef(1)
-	}
-
-	b.eth1DataVotes = append(votes, val)
-	b.markFieldAsDirty(eth1DataVotes)
-	b.addDirtyIndices(eth1DataVotes, []uint64{uint64(len(b.eth1DataVotes) - 1)})
-	return nil
-}

beacon-chain/state/state-native/v1/setters_validator.go

@@ -1,201 +0,0 @@
-package v1
-
-import (
-	"github.com/pkg/errors"
-	types "github.com/prysmaticlabs/eth2-types"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-)
-
-// SetValidators for the beacon state. Updates the entire
-// to a new value by overwriting the previous one.
-func (b *BeaconState) SetValidators(val []*ethpb.Validator) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	b.validators = val
-	b.sharedFieldReferences[validators].MinusRef()
-	b.sharedFieldReferences[validators] = stateutil.NewRef(1)
-	b.markFieldAsDirty(validators)
-	b.rebuildTrie[validators] = true
-	b.valMapHandler = stateutil.NewValMapHandler(b.validators)
-	return nil
-}
-
-// ApplyToEveryValidator applies the provided callback function to each validator in the
-// validator registry.
-func (b *BeaconState) ApplyToEveryValidator(f func(idx int, val *ethpb.Validator) (bool, *ethpb.Validator, error)) error {
-	b.lock.Lock()
-	v := b.validators
-	if ref := b.sharedFieldReferences[validators]; ref.Refs() > 1 {
-		v = b.validatorsReferences()
-		ref.MinusRef()
-		b.sharedFieldReferences[validators] = stateutil.NewRef(1)
-	}
-	b.lock.Unlock()
-	var changedVals []uint64
-	for i, val := range v {
-		changed, newVal, err := f(i, val)
-		if err != nil {
-			return err
-		}
-		if changed {
-			changedVals = append(changedVals, uint64(i))
-			v[i] = newVal
-		}
-	}
-
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	b.validators = v
-	b.markFieldAsDirty(validators)
-	b.addDirtyIndices(validators, changedVals)
-
-	return nil
-}
-
-// UpdateValidatorAtIndex for the beacon state. Updates the validator
-// at a specific index to a new value.
-func (b *BeaconState) UpdateValidatorAtIndex(idx types.ValidatorIndex, val *ethpb.Validator) error {
-	if uint64(len(b.validators)) <= uint64(idx) {
-		return errors.Errorf("invalid index provided %d", idx)
-	}
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	v := b.validators
-	if ref := b.sharedFieldReferences[validators]; ref.Refs() > 1 {
-		v = b.validatorsReferences()
-		ref.MinusRef()
-		b.sharedFieldReferences[validators] = stateutil.NewRef(1)
-	}
-
-	v[idx] = val
-	b.validators = v
-	b.markFieldAsDirty(validators)
-	b.addDirtyIndices(validators, []uint64{uint64(idx)})
-
-	return nil
-}
-
-// SetBalances for the beacon state. Updates the entire
-// list to a new value by overwriting the previous one.
-func (b *BeaconState) SetBalances(val []uint64) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	b.sharedFieldReferences[balances].MinusRef()
-	b.sharedFieldReferences[balances] = stateutil.NewRef(1)
-
-	b.balances = val
-	b.markFieldAsDirty(balances)
-	b.rebuildTrie[balances] = true
-	return nil
-}
-
-// UpdateBalancesAtIndex for the beacon state. This method updates the balance
-// at a specific index to a new value.
-func (b *BeaconState) UpdateBalancesAtIndex(idx types.ValidatorIndex, val uint64) error {
-	if uint64(len(b.balances)) <= uint64(idx) {
-		return errors.Errorf("invalid index provided %d", idx)
-	}
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	bals := b.balances
-	if b.sharedFieldReferences[balances].Refs() > 1 {
-		bals = b.balancesVal()
-		b.sharedFieldReferences[balances].MinusRef()
-		b.sharedFieldReferences[balances] = stateutil.NewRef(1)
-	}
-
-	bals[idx] = val
-	b.balances = bals
-	b.markFieldAsDirty(balances)
-	b.addDirtyIndices(balances, []uint64{uint64(idx)})
-	return nil
-}
-
-// SetSlashings for the beacon state. Updates the entire
-// list to a new value by overwriting the previous one.
-func (b *BeaconState) SetSlashings(val []uint64) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	b.sharedFieldReferences[slashings].MinusRef()
-	b.sharedFieldReferences[slashings] = stateutil.NewRef(1)
-
-	b.slashings = val
-	b.markFieldAsDirty(slashings)
-	return nil
-}
-
-// UpdateSlashingsAtIndex for the beacon state. Updates the slashings
-// at a specific index to a new value.
-func (b *BeaconState) UpdateSlashingsAtIndex(idx, val uint64) error {
-	if uint64(len(b.slashings)) <= idx {
-		return errors.Errorf("invalid index provided %d", idx)
-	}
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	s := b.slashings
-	if b.sharedFieldReferences[slashings].Refs() > 1 {
-		s = b.slashingsVal()
-		b.sharedFieldReferences[slashings].MinusRef()
-		b.sharedFieldReferences[slashings] = stateutil.NewRef(1)
-	}
-
-	s[idx] = val
-
-	b.slashings = s
-
-	b.markFieldAsDirty(slashings)
-	return nil
-}
-
-// AppendValidator for the beacon state. Appends the new value
-// to the the end of list.
-func (b *BeaconState) AppendValidator(val *ethpb.Validator) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	vals := b.validators
-	if b.sharedFieldReferences[validators].Refs() > 1 {
-		vals = b.validatorsReferences()
-		b.sharedFieldReferences[validators].MinusRef()
-		b.sharedFieldReferences[validators] = stateutil.NewRef(1)
-	}
-
-	// append validator to slice
-	b.validators = append(vals, val)
-	valIdx := types.ValidatorIndex(len(b.validators) - 1)
-
-	b.valMapHandler.Set(bytesutil.ToBytes48(val.PublicKey), valIdx)
-
-	b.markFieldAsDirty(validators)
-	b.addDirtyIndices(validators, []uint64{uint64(valIdx)})
-	return nil
-}
-
-// AppendBalance for the beacon state. Appends the new value
-// to the the end of list.
-func (b *BeaconState) AppendBalance(bal uint64) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	bals := b.balances
-	if b.sharedFieldReferences[balances].Refs() > 1 {
-		bals = b.balancesVal()
-		b.sharedFieldReferences[balances].MinusRef()
-		b.sharedFieldReferences[balances] = stateutil.NewRef(1)
-	}
-
-	b.balances = append(bals, bal)
-	balIdx := len(b.balances) - 1
-	b.markFieldAsDirty(balances)
-	b.addDirtyIndices(balances, []uint64{uint64(balIdx)})
-	return nil
-}

beacon-chain/state/state-native/v1/state_test.go

@@ -1,208 +0,0 @@
-package v1
-
-import (
-	"context"
-	"strconv"
-	"sync"
-	"testing"
-
-	types "github.com/prysmaticlabs/eth2-types"
-	"github.com/prysmaticlabs/go-bitfield"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-)
-
-func TestValidatorMap_DistinctCopy(t *testing.T) {
-	count := uint64(100)
-	vals := make([]*ethpb.Validator, 0, count)
-	for i := uint64(1); i < count; i++ {
-		someRoot := [32]byte{}
-		someKey := [fieldparams.BLSPubkeyLength]byte{}
-		copy(someRoot[:], strconv.Itoa(int(i)))
-		copy(someKey[:], strconv.Itoa(int(i)))
-		vals = append(vals, &ethpb.Validator{
-			PublicKey:                  someKey[:],
-			WithdrawalCredentials:      someRoot[:],
-			EffectiveBalance:           params.BeaconConfig().MaxEffectiveBalance,
-			Slashed:                    false,
-			ActivationEligibilityEpoch: 1,
-			ActivationEpoch:            1,
-			ExitEpoch:                  1,
-			WithdrawableEpoch:          1,
-		})
-	}
-	handler := stateutil.NewValMapHandler(vals)
-	newHandler := handler.Copy()
-	wantedPubkey := strconv.Itoa(22)
-	handler.Set(bytesutil.ToBytes48([]byte(wantedPubkey)), 27)
-	val1, _ := handler.Get(bytesutil.ToBytes48([]byte(wantedPubkey)))
-	val2, _ := newHandler.Get(bytesutil.ToBytes48([]byte(wantedPubkey)))
-	assert.NotEqual(t, val1, val2, "Values are supposed to be unequal due to copy")
-}
-
-func TestBeaconState_NoDeadlock(t *testing.T) {
-	count := uint64(100)
-	vals := make([]*ethpb.Validator, 0, count)
-	for i := uint64(1); i < count; i++ {
-		someRoot := [32]byte{}
-		someKey := [fieldparams.BLSPubkeyLength]byte{}
-		copy(someRoot[:], strconv.Itoa(int(i)))
-		copy(someKey[:], strconv.Itoa(int(i)))
-		vals = append(vals, &ethpb.Validator{
-			PublicKey:                  someKey[:],
-			WithdrawalCredentials:      someRoot[:],
-			EffectiveBalance:           params.BeaconConfig().MaxEffectiveBalance,
-			Slashed:                    false,
-			ActivationEligibilityEpoch: 1,
-			ActivationEpoch:            1,
-			ExitEpoch:                  1,
-			WithdrawableEpoch:          1,
-		})
-	}
-	st, err := InitializeFromProtoUnsafe(&ethpb.BeaconState{
-		Validators: vals,
-	})
-	assert.NoError(t, err)
-	s, ok := st.(*BeaconState)
-	require.Equal(t, true, ok)
-
-	wg := new(sync.WaitGroup)
-
-	wg.Add(1)
-	go func() {
-		// Continuously lock and unlock the state
-		// by acquiring the lock.
-		for i := 0; i < 1000; i++ {
-			for _, f := range s.stateFieldLeaves {
-				f.Lock()
-				if f.Empty() {
-					f.InsertFieldLayer(make([][]*[32]byte, 10))
-				}
-				f.Unlock()
-				f.FieldReference().AddRef()
-			}
-		}
-		wg.Done()
-	}()
-	// Constantly read from the offending portion
-	// of the code to ensure there is no possible
-	// recursive read locking.
-	for i := 0; i < 1000; i++ {
-		go func() {
-			_ = st.FieldReferencesCount()
-		}()
-	}
-	// Test will not terminate in the event of a deadlock.
-	wg.Wait()
-}
-
-func TestStateTrie_IsNil(t *testing.T) {
-	var emptyState *BeaconState
-	assert.Equal(t, true, emptyState.IsNil())
-}
-
-func TestBeaconState_AppendBalanceWithTrie(t *testing.T) {
-	count := uint64(100)
-	vals := make([]*ethpb.Validator, 0, count)
-	bals := make([]uint64, 0, count)
-	for i := uint64(1); i < count; i++ {
-		someRoot := [32]byte{}
-		someKey := [fieldparams.BLSPubkeyLength]byte{}
-		copy(someRoot[:], strconv.Itoa(int(i)))
-		copy(someKey[:], strconv.Itoa(int(i)))
-		vals = append(vals, &ethpb.Validator{
-			PublicKey:                  someKey[:],
-			WithdrawalCredentials:      someRoot[:],
-			EffectiveBalance:           params.BeaconConfig().MaxEffectiveBalance,
-			Slashed:                    false,
-			ActivationEligibilityEpoch: 1,
-			ActivationEpoch:            1,
-			ExitEpoch:                  1,
-			WithdrawableEpoch:          1,
-		})
-		bals = append(bals, params.BeaconConfig().MaxEffectiveBalance)
-	}
-	zeroHash := params.BeaconConfig().ZeroHash
-	mockblockRoots := make([][]byte, params.BeaconConfig().SlotsPerHistoricalRoot)
-	for i := 0; i < len(mockblockRoots); i++ {
-		mockblockRoots[i] = zeroHash[:]
-	}
-
-	mockstateRoots := make([][]byte, params.BeaconConfig().SlotsPerHistoricalRoot)
-	for i := 0; i < len(mockstateRoots); i++ {
-		mockstateRoots[i] = zeroHash[:]
-	}
-	mockrandaoMixes := make([][]byte, params.BeaconConfig().EpochsPerHistoricalVector)
-	for i := 0; i < len(mockrandaoMixes); i++ {
-		mockrandaoMixes[i] = zeroHash[:]
-	}
-	st, err := InitializeFromProto(&ethpb.BeaconState{
-		Slot:                  1,
-		GenesisValidatorsRoot: make([]byte, 32),
-		Fork: &ethpb.Fork{
-			PreviousVersion: make([]byte, 4),
-			CurrentVersion:  make([]byte, 4),
-			Epoch:           0,
-		},
-		LatestBlockHeader: &ethpb.BeaconBlockHeader{
-			ParentRoot: make([]byte, fieldparams.RootLength),
-			StateRoot:  make([]byte, fieldparams.RootLength),
-			BodyRoot:   make([]byte, fieldparams.RootLength),
-		},
-		Validators: vals,
-		Balances:   bals,
-		Eth1Data: &ethpb.Eth1Data{
-			DepositRoot: make([]byte, 32),
-			BlockHash:   make([]byte, 32),
-		},
-		BlockRoots:                  mockblockRoots,
-		StateRoots:                  mockstateRoots,
-		RandaoMixes:                 mockrandaoMixes,
-		JustificationBits:           bitfield.NewBitvector4(),
-		PreviousJustifiedCheckpoint: &ethpb.Checkpoint{Root: make([]byte, fieldparams.RootLength)},
-		CurrentJustifiedCheckpoint:  &ethpb.Checkpoint{Root: make([]byte, fieldparams.RootLength)},
-		FinalizedCheckpoint:         &ethpb.Checkpoint{Root: make([]byte, fieldparams.RootLength)},
-		Slashings:                   make([]uint64, params.BeaconConfig().EpochsPerSlashingsVector),
-	})
-	assert.NoError(t, err)
-	_, err = st.HashTreeRoot(context.Background())
-	assert.NoError(t, err)
-
-	for i := 0; i < 100; i++ {
-		if i%2 == 0 {
-			assert.NoError(t, st.UpdateBalancesAtIndex(types.ValidatorIndex(i), 1000))
-		}
-		if i%3 == 0 {
-			assert.NoError(t, st.AppendBalance(1000))
-		}
-	}
-	_, err = st.HashTreeRoot(context.Background())
-	assert.NoError(t, err)
-	s, ok := st.(*BeaconState)
-	require.Equal(t, true, ok)
-	newRt := bytesutil.ToBytes32(s.merkleLayers[0][balances])
-	wantedRt, err := stateutil.Uint64ListRootWithRegistryLimit(s.Balances())
-	assert.NoError(t, err)
-	assert.Equal(t, wantedRt, newRt, "state roots are unequal")
-}
-
-func TestBeaconState_ModifyPreviousParticipationBits(t *testing.T) {
-	st, err := InitializeFromProtoUnsafe(&ethpb.BeaconState{})
-	assert.NoError(t, err)
-	assert.ErrorContains(t, "ModifyPreviousParticipationBits is not supported for phase 0 beacon state", st.ModifyPreviousParticipationBits(func(val []byte) ([]byte, error) {
-		return nil, nil
-	}))
-}
-
-func TestBeaconState_ModifyCurrentParticipationBits(t *testing.T) {
-	st, err := InitializeFromProtoUnsafe(&ethpb.BeaconState{})
-	assert.NoError(t, err)
-	assert.ErrorContains(t, "ModifyCurrentParticipationBits is not supported for phase 0 beacon state", st.ModifyCurrentParticipationBits(func(val []byte) ([]byte, error) {
-		return nil, nil
-	}))
-}

beacon-chain/state/state-native/v1/state_trie.go

@@ -1,479 +0,0 @@
-package v1
-
-import (
-	"context"
-	"runtime"
-	"sort"
-
-	"github.com/pkg/errors"
-
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/fieldtrie"
-	customtypes "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/custom-types"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/types"
-	"github.com/prysmaticlabs/prysm/config/features"
-	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/container/slice"
-	"github.com/prysmaticlabs/prysm/crypto/hash"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	"github.com/prysmaticlabs/prysm/encoding/ssz"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"go.opencensus.io/trace"
-	"google.golang.org/protobuf/proto"
-)
-
-// InitializeFromProto the beacon state from a protobuf representation.
-func InitializeFromProto(st *ethpb.BeaconState) (state.BeaconState, error) {
-	return InitializeFromProtoUnsafe(proto.Clone(st).(*ethpb.BeaconState))
-}
-
-// InitializeFromProtoUnsafe directly uses the beacon state protobuf fields
-// and sets them as fields of the BeaconState type.
-func InitializeFromProtoUnsafe(st *ethpb.BeaconState) (state.BeaconState, error) {
-	if st == nil {
-		return nil, errors.New("received nil state")
-	}
-
-	var bRoots customtypes.BlockRoots
-	for i, r := range st.BlockRoots {
-		copy(bRoots[i][:], r)
-	}
-	var sRoots customtypes.StateRoots
-	for i, r := range st.StateRoots {
-		copy(sRoots[i][:], r)
-	}
-	hRoots := customtypes.HistoricalRoots(make([][32]byte, len(st.HistoricalRoots)))
-	for i, r := range st.HistoricalRoots {
-		copy(hRoots[i][:], r)
-	}
-	var mixes customtypes.RandaoMixes
-	for i, m := range st.RandaoMixes {
-		copy(mixes[i][:], m)
-	}
-
-	fieldCount := params.BeaconConfig().BeaconStateFieldCount
-	b := &BeaconState{
-		genesisTime:                 st.GenesisTime,
-		genesisValidatorsRoot:       bytesutil.ToBytes32(st.GenesisValidatorsRoot),
-		slot:                        st.Slot,
-		fork:                        st.Fork,
-		latestBlockHeader:           st.LatestBlockHeader,
-		blockRoots:                  &bRoots,
-		stateRoots:                  &sRoots,
-		historicalRoots:             hRoots,
-		eth1Data:                    st.Eth1Data,
-		eth1DataVotes:               st.Eth1DataVotes,
-		eth1DepositIndex:            st.Eth1DepositIndex,
-		validators:                  st.Validators,
-		balances:                    st.Balances,
-		randaoMixes:                 &mixes,
-		slashings:                   st.Slashings,
-		previousEpochAttestations:   st.PreviousEpochAttestations,
-		currentEpochAttestations:    st.CurrentEpochAttestations,
-		justificationBits:           st.JustificationBits,
-		previousJustifiedCheckpoint: st.PreviousJustifiedCheckpoint,
-		currentJustifiedCheckpoint:  st.CurrentJustifiedCheckpoint,
-		finalizedCheckpoint:         st.FinalizedCheckpoint,
-
-		dirtyFields:           make(map[types.FieldIndex]bool, fieldCount),
-		dirtyIndices:          make(map[types.FieldIndex][]uint64, fieldCount),
-		stateFieldLeaves:      make(map[types.FieldIndex]*fieldtrie.FieldTrie, fieldCount),
-		sharedFieldReferences: make(map[types.FieldIndex]*stateutil.Reference, 10),
-		rebuildTrie:           make(map[types.FieldIndex]bool, fieldCount),
-		valMapHandler:         stateutil.NewValMapHandler(st.Validators),
-	}
-
-	var err error
-	for i := 0; i < fieldCount; i++ {
-		b.dirtyFields[types.FieldIndex(i)] = true
-		b.rebuildTrie[types.FieldIndex(i)] = true
-		b.dirtyIndices[types.FieldIndex(i)] = []uint64{}
-		b.stateFieldLeaves[types.FieldIndex(i)], err = fieldtrie.NewFieldTrie(types.FieldIndex(i), types.BasicArray, nil, 0)
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	// Initialize field reference tracking for shared data.
-	b.sharedFieldReferences[randaoMixes] = stateutil.NewRef(1)
-	b.sharedFieldReferences[stateRoots] = stateutil.NewRef(1)
-	b.sharedFieldReferences[blockRoots] = stateutil.NewRef(1)
-	b.sharedFieldReferences[previousEpochAttestations] = stateutil.NewRef(1)
-	b.sharedFieldReferences[currentEpochAttestations] = stateutil.NewRef(1)
-	b.sharedFieldReferences[slashings] = stateutil.NewRef(1)
-	b.sharedFieldReferences[eth1DataVotes] = stateutil.NewRef(1)
-	b.sharedFieldReferences[validators] = stateutil.NewRef(1)
-	b.sharedFieldReferences[balances] = stateutil.NewRef(1)
-	b.sharedFieldReferences[historicalRoots] = stateutil.NewRef(1)
-
-	state.StateCount.Inc()
-	return b, nil
-}
-
-// Copy returns a deep copy of the beacon state.
-func (b *BeaconState) Copy() state.BeaconState {
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-	fieldCount := params.BeaconConfig().BeaconStateFieldCount
-	dst := &BeaconState{
-		// Primitive types, safe to copy.
-		genesisTime:      b.genesisTime,
-		slot:             b.slot,
-		eth1DepositIndex: b.eth1DepositIndex,
-
-		// Large arrays, infrequently changed, constant size.
-		slashings: b.slashings,
-
-		// Large arrays, infrequently changed, constant size.
-		blockRoots:                b.blockRoots,
-		stateRoots:                b.stateRoots,
-		randaoMixes:               b.randaoMixes,
-		previousEpochAttestations: b.previousEpochAttestations,
-		currentEpochAttestations:  b.currentEpochAttestations,
-		eth1DataVotes:             b.eth1DataVotes,
-
-		// Large arrays, increases over time.
-		balances:        b.balances,
-		historicalRoots: b.historicalRoots,
-		validators:      b.validators,
-
-		// Everything else, too small to be concerned about, constant size.
-		genesisValidatorsRoot:       b.genesisValidatorsRoot,
-		justificationBits:           b.justificationBitsVal(),
-		fork:                        b.forkVal(),
-		latestBlockHeader:           b.latestBlockHeaderVal(),
-		eth1Data:                    b.eth1DataVal(),
-		previousJustifiedCheckpoint: b.previousJustifiedCheckpointVal(),
-		currentJustifiedCheckpoint:  b.currentJustifiedCheckpointVal(),
-		finalizedCheckpoint:         b.finalizedCheckpointVal(),
-
-		dirtyFields:           make(map[types.FieldIndex]bool, fieldCount),
-		dirtyIndices:          make(map[types.FieldIndex][]uint64, fieldCount),
-		rebuildTrie:           make(map[types.FieldIndex]bool, fieldCount),
-		sharedFieldReferences: make(map[types.FieldIndex]*stateutil.Reference, 10),
-		stateFieldLeaves:      make(map[types.FieldIndex]*fieldtrie.FieldTrie, fieldCount),
-
-		// Share the reference to validator index map.
-		valMapHandler: b.valMapHandler,
-	}
-
-	for field, ref := range b.sharedFieldReferences {
-		ref.AddRef()
-		dst.sharedFieldReferences[field] = ref
-	}
-
-	// Increment ref for validator map
-	b.valMapHandler.AddRef()
-
-	for i := range b.dirtyFields {
-		dst.dirtyFields[i] = true
-	}
-
-	for i := range b.dirtyIndices {
-		indices := make([]uint64, len(b.dirtyIndices[i]))
-		copy(indices, b.dirtyIndices[i])
-		dst.dirtyIndices[i] = indices
-	}
-
-	for i := range b.rebuildTrie {
-		dst.rebuildTrie[i] = true
-	}
-
-	for fldIdx, fieldTrie := range b.stateFieldLeaves {
-		dst.stateFieldLeaves[fldIdx] = fieldTrie
-		if fieldTrie.FieldReference() != nil {
-			fieldTrie.Lock()
-			fieldTrie.FieldReference().AddRef()
-			fieldTrie.Unlock()
-		}
-	}
-
-	if b.merkleLayers != nil {
-		dst.merkleLayers = make([][][]byte, len(b.merkleLayers))
-		for i, layer := range b.merkleLayers {
-			dst.merkleLayers[i] = make([][]byte, len(layer))
-			for j, content := range layer {
-				dst.merkleLayers[i][j] = make([]byte, len(content))
-				copy(dst.merkleLayers[i][j], content)
-			}
-		}
-	}
-
-	state.StateCount.Inc()
-	// Finalizer runs when dst is being destroyed in garbage collection.
-	runtime.SetFinalizer(dst, func(b *BeaconState) {
-		for field, v := range b.sharedFieldReferences {
-			v.MinusRef()
-			if b.stateFieldLeaves[field].FieldReference() != nil {
-				b.stateFieldLeaves[field].FieldReference().MinusRef()
-			}
-
-		}
-		for i := 0; i < fieldCount; i++ {
-			field := types.FieldIndex(i)
-			delete(b.stateFieldLeaves, field)
-			delete(b.dirtyIndices, field)
-			delete(b.dirtyFields, field)
-			delete(b.sharedFieldReferences, field)
-			delete(b.stateFieldLeaves, field)
-		}
-		state.StateCount.Sub(1)
-	})
-	return dst
-}
-
-// HashTreeRoot of the beacon state retrieves the Merkle root of the trie
-// representation of the beacon state based on the Ethereum Simple Serialize specification.
-func (b *BeaconState) HashTreeRoot(ctx context.Context) ([32]byte, error) {
-	ctx, span := trace.StartSpan(ctx, "beaconState.HashTreeRoot")
-	defer span.End()
-
-	b.lock.Lock()
-	defer b.lock.Unlock()
-	if err := b.initializeMerkleLayers(ctx); err != nil {
-		return [32]byte{}, err
-	}
-	if err := b.recomputeDirtyFields(ctx); err != nil {
-		return [32]byte{}, err
-	}
-	return bytesutil.ToBytes32(b.merkleLayers[len(b.merkleLayers)-1][0]), nil
-}
-
-// Initializes the Merkle layers for the beacon state if they are empty.
-// WARNING: Caller must acquire the mutex before using.
-func (b *BeaconState) initializeMerkleLayers(ctx context.Context) error {
-	if len(b.merkleLayers) > 0 {
-		return nil
-	}
-	protoState, ok := b.ToProtoUnsafe().(*ethpb.BeaconState)
-	if !ok {
-		return errors.New("state is of the wrong type")
-	}
-	fieldRoots, err := computeFieldRoots(ctx, protoState)
-	if err != nil {
-		return err
-	}
-	layers := stateutil.Merkleize(fieldRoots)
-	b.merkleLayers = layers
-	b.dirtyFields = make(map[types.FieldIndex]bool, params.BeaconConfig().BeaconStateFieldCount)
-	return nil
-}
-
-// Recomputes the Merkle layers for the dirty fields in the state.
-// WARNING: Caller must acquire the mutex before using.
-func (b *BeaconState) recomputeDirtyFields(ctx context.Context) error {
-	for field := range b.dirtyFields {
-		root, err := b.rootSelector(ctx, field)
-		if err != nil {
-			return err
-		}
-		b.merkleLayers[0][field] = root[:]
-		b.recomputeRoot(int(field))
-		delete(b.dirtyFields, field)
-	}
-	return nil
-}
-
-// FieldReferencesCount returns the reference count held by each field. This
-// also includes the field trie held by each field.
-func (b *BeaconState) FieldReferencesCount() map[string]uint64 {
-	refMap := make(map[string]uint64)
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-	for i, f := range b.sharedFieldReferences {
-		refMap[i.String(b.Version())] = uint64(f.Refs())
-	}
-	for i, f := range b.stateFieldLeaves {
-		numOfRefs := uint64(f.FieldReference().Refs())
-		f.RLock()
-		if !f.Empty() {
-			refMap[i.String(b.Version())+"_trie"] = numOfRefs
-		}
-		f.RUnlock()
-	}
-	return refMap
-}
-
-// IsNil checks if the state and the underlying proto
-// object are nil.
-func (b *BeaconState) IsNil() bool {
-	return b == nil
-}
-
-func (b *BeaconState) rootSelector(ctx context.Context, field types.FieldIndex) ([32]byte, error) {
-	_, span := trace.StartSpan(ctx, "beaconState.rootSelector")
-	defer span.End()
-	span.AddAttributes(trace.StringAttribute("field", field.String(b.Version())))
-
-	hasher := hash.CustomSHA256Hasher()
-	switch field {
-	case genesisTime:
-		return ssz.Uint64Root(b.genesisTime), nil
-	case genesisValidatorsRoot:
-		return b.genesisValidatorsRoot, nil
-	case slot:
-		return ssz.Uint64Root(uint64(b.slot)), nil
-	case eth1DepositIndex:
-		return ssz.Uint64Root(b.eth1DepositIndex), nil
-	case fork:
-		return ssz.ForkRoot(b.fork)
-	case latestBlockHeader:
-		return stateutil.BlockHeaderRoot(b.latestBlockHeader)
-	case blockRoots:
-		if b.rebuildTrie[field] {
-			err := b.resetFieldTrie(field, b.blockRoots, fieldparams.BlockRootsLength)
-			if err != nil {
-				return [32]byte{}, err
-			}
-			delete(b.rebuildTrie, field)
-			return b.stateFieldLeaves[field].TrieRoot()
-		}
-		return b.recomputeFieldTrie(blockRoots, b.blockRoots)
-	case stateRoots:
-		if b.rebuildTrie[field] {
-			err := b.resetFieldTrie(field, b.stateRoots, fieldparams.StateRootsLength)
-			if err != nil {
-				return [32]byte{}, err
-			}
-			delete(b.rebuildTrie, field)
-			return b.stateFieldLeaves[field].TrieRoot()
-		}
-		return b.recomputeFieldTrie(stateRoots, b.stateRoots)
-	case historicalRoots:
-		hRoots := make([][]byte, len(b.historicalRoots))
-		for i := range hRoots {
-			hRoots[i] = b.historicalRoots[i][:]
-		}
-		return ssz.ByteArrayRootWithLimit(hRoots, fieldparams.HistoricalRootsLength)
-	case eth1Data:
-		return stateutil.Eth1Root(hasher, b.eth1Data)
-	case eth1DataVotes:
-		if b.rebuildTrie[field] {
-			err := b.resetFieldTrie(
-				field,
-				b.eth1DataVotes,
-				fieldparams.Eth1DataVotesLength,
-			)
-			if err != nil {
-				return [32]byte{}, err
-			}
-			delete(b.rebuildTrie, field)
-			return b.stateFieldLeaves[field].TrieRoot()
-		}
-		return b.recomputeFieldTrie(field, b.eth1DataVotes)
-	case validators:
-		if b.rebuildTrie[field] {
-			err := b.resetFieldTrie(field, b.validators, fieldparams.ValidatorRegistryLimit)
-			if err != nil {
-				return [32]byte{}, err
-			}
-			delete(b.rebuildTrie, validators)
-			return b.stateFieldLeaves[field].TrieRoot()
-		}
-		return b.recomputeFieldTrie(validators, b.validators)
-	case balances:
-		if features.Get().EnableBalanceTrieComputation {
-			if b.rebuildTrie[field] {
-				maxBalCap := uint64(fieldparams.ValidatorRegistryLimit)
-				elemSize := uint64(8)
-				balLimit := (maxBalCap*elemSize + 31) / 32
-				err := b.resetFieldTrie(field, b.balances, balLimit)
-				if err != nil {
-					return [32]byte{}, err
-				}
-				delete(b.rebuildTrie, field)
-				return b.stateFieldLeaves[field].TrieRoot()
-			}
-			return b.recomputeFieldTrie(balances, b.balances)
-		}
-		return stateutil.Uint64ListRootWithRegistryLimit(b.balances)
-	case randaoMixes:
-		if b.rebuildTrie[field] {
-			err := b.resetFieldTrie(field, b.randaoMixes, fieldparams.RandaoMixesLength)
-			if err != nil {
-				return [32]byte{}, err
-			}
-			delete(b.rebuildTrie, field)
-			return b.stateFieldLeaves[field].TrieRoot()
-		}
-		return b.recomputeFieldTrie(randaoMixes, b.randaoMixes)
-	case slashings:
-		return ssz.SlashingsRoot(b.slashings)
-	case previousEpochAttestations:
-		if b.rebuildTrie[field] {
-			err := b.resetFieldTrie(
-				field,
-				b.previousEpochAttestations,
-				fieldparams.PreviousEpochAttestationsLength,
-			)
-			if err != nil {
-				return [32]byte{}, err
-			}
-			delete(b.rebuildTrie, field)
-			return b.stateFieldLeaves[field].TrieRoot()
-		}
-		return b.recomputeFieldTrie(field, b.previousEpochAttestations)
-	case currentEpochAttestations:
-		if b.rebuildTrie[field] {
-			err := b.resetFieldTrie(
-				field,
-				b.currentEpochAttestations,
-				fieldparams.CurrentEpochAttestationsLength,
-			)
-			if err != nil {
-				return [32]byte{}, err
-			}
-			delete(b.rebuildTrie, field)
-			return b.stateFieldLeaves[field].TrieRoot()
-		}
-		return b.recomputeFieldTrie(field, b.currentEpochAttestations)
-	case justificationBits:
-		return bytesutil.ToBytes32(b.justificationBits), nil
-	case previousJustifiedCheckpoint:
-		return ssz.CheckpointRoot(hasher, b.previousJustifiedCheckpoint)
-	case currentJustifiedCheckpoint:
-		return ssz.CheckpointRoot(hasher, b.currentJustifiedCheckpoint)
-	case finalizedCheckpoint:
-		return ssz.CheckpointRoot(hasher, b.finalizedCheckpoint)
-	}
-	return [32]byte{}, errors.New("invalid field index provided")
-}
-
-func (b *BeaconState) recomputeFieldTrie(index types.FieldIndex, elements interface{}) ([32]byte, error) {
-	fTrie := b.stateFieldLeaves[index]
-	// We can't lock the trie directly because the trie's variable gets reassigned,
-	// and therefore we would call Unlock() on a different object.
-	fTrieMutex := fTrie.RWMutex
-	if fTrie.FieldReference().Refs() > 1 {
-		fTrieMutex.Lock()
-		fTrie.FieldReference().MinusRef()
-		newTrie := fTrie.CopyTrie()
-		b.stateFieldLeaves[index] = newTrie
-		fTrie = newTrie
-		fTrieMutex.Unlock()
-	}
-	// remove duplicate indexes
-	b.dirtyIndices[index] = slice.SetUint64(b.dirtyIndices[index])
-	// sort indexes again
-	sort.Slice(b.dirtyIndices[index], func(i int, j int) bool {
-		return b.dirtyIndices[index][i] < b.dirtyIndices[index][j]
-	})
-	root, err := fTrie.RecomputeTrie(b.dirtyIndices[index], elements)
-	if err != nil {
-		return [32]byte{}, err
-	}
-	b.dirtyIndices[index] = []uint64{}
-	return root, nil
-}
-
-func (b *BeaconState) resetFieldTrie(index types.FieldIndex, elements interface{}, length uint64) error {
-	fTrie, err := fieldtrie.NewFieldTrie(index, fieldMap[index], elements, length)
-	if err != nil {
-		return err
-	}
-	b.stateFieldLeaves[index] = fTrie
-	b.dirtyIndices[index] = []uint64{}
-	return nil
-}

beacon-chain/state/state-native/v1/state_trie_test.go

@@ -1,278 +0,0 @@
-package v1_test
-
-import (
-	"bytes"
-	"context"
-	"testing"
-
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	v1 "github.com/prysmaticlabs/prysm/beacon-chain/state/state-native/v1"
-	"github.com/prysmaticlabs/prysm/config/features"
-	"github.com/prysmaticlabs/prysm/config/params"
-	"github.com/prysmaticlabs/prysm/encoding/bytesutil"
-	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
-	"github.com/prysmaticlabs/prysm/testing/assert"
-	"github.com/prysmaticlabs/prysm/testing/require"
-	"github.com/prysmaticlabs/prysm/testing/util"
-)
-
-func TestMain(m *testing.M) {
-	resetCfg := features.InitWithReset(&features.Flags{EnableBalanceTrieComputation: true})
-	defer resetCfg()
-	m.Run()
-}
-
-func TestInitializeFromProto(t *testing.T) {
-	testState, _ := util.DeterministicGenesisState(t, 64)
-	pbState, err := v1.ProtobufBeaconState(testState.InnerStateUnsafe())
-	require.NoError(t, err)
-	type test struct {
-		name  string
-		state *ethpb.BeaconState
-		error string
-	}
-	initTests := []test{
-		{
-			name:  "nil state",
-			state: nil,
-			error: "received nil state",
-		},
-		{
-			name: "nil validators",
-			state: &ethpb.BeaconState{
-				Slot:       4,
-				Validators: nil,
-			},
-		},
-		{
-			name:  "empty state",
-			state: &ethpb.BeaconState{},
-		},
-		{
-			name:  "full state",
-			state: pbState,
-		},
-	}
-	for _, tt := range initTests {
-		t.Run(tt.name, func(t *testing.T) {
-			_, err := v1.InitializeFromProto(tt.state)
-			if tt.error != "" {
-				assert.ErrorContains(t, tt.error, err)
-			} else {
-				assert.NoError(t, err)
-			}
-		})
-	}
-}
-
-func TestInitializeFromProtoUnsafe(t *testing.T) {
-	testState, _ := util.DeterministicGenesisState(t, 64)
-	pbState, err := v1.ProtobufBeaconState(testState.InnerStateUnsafe())
-	require.NoError(t, err)
-	type test struct {
-		name  string
-		state *ethpb.BeaconState
-		error string
-	}
-	initTests := []test{
-		{
-			name:  "nil state",
-			state: nil,
-			error: "received nil state",
-		},
-		{
-			name: "nil validators",
-			state: &ethpb.BeaconState{
-				Slot:       4,
-				Validators: nil,
-			},
-		},
-		{
-			name:  "empty state",
-			state: &ethpb.BeaconState{},
-		},
-		{
-			name:  "full state",
-			state: pbState,
-		},
-	}
-	for _, tt := range initTests {
-		t.Run(tt.name, func(t *testing.T) {
-			_, err := v1.InitializeFromProtoUnsafe(tt.state)
-			if tt.error != "" {
-				assert.ErrorContains(t, tt.error, err)
-			} else {
-				assert.NoError(t, err)
-			}
-		})
-	}
-}
-
-func TestBeaconState_HashTreeRoot(t *testing.T) {
-	testState, _ := util.DeterministicGenesisState(t, 64)
-
-	type test struct {
-		name        string
-		stateModify func(beaconState state.BeaconState) (state.BeaconState, error)
-		error       string
-	}
-	initTests := []test{
-		{
-			name: "unchanged state",
-			stateModify: func(beaconState state.BeaconState) (state.BeaconState, error) {
-				return beaconState, nil
-			},
-			error: "",
-		},
-		{
-			name: "different slot",
-			stateModify: func(beaconState state.BeaconState) (state.BeaconState, error) {
-				if err := beaconState.SetSlot(5); err != nil {
-					return nil, err
-				}
-				return beaconState, nil
-			},
-			error: "",
-		},
-		{
-			name: "different validator balance",
-			stateModify: func(beaconState state.BeaconState) (state.BeaconState, error) {
-				val, err := beaconState.ValidatorAtIndex(5)
-				if err != nil {
-					return nil, err
-				}
-				val.EffectiveBalance = params.BeaconConfig().MaxEffectiveBalance - params.BeaconConfig().EffectiveBalanceIncrement
-				if err := beaconState.UpdateValidatorAtIndex(5, val); err != nil {
-					return nil, err
-				}
-				return beaconState, nil
-			},
-			error: "",
-		},
-	}
-
-	var err error
-	var oldHTR []byte
-	for _, tt := range initTests {
-		t.Run(tt.name, func(t *testing.T) {
-			testState, err = tt.stateModify(testState)
-			assert.NoError(t, err)
-			root, err := testState.HashTreeRoot(context.Background())
-			if err == nil && tt.error != "" {
-				t.Errorf("Expected error, expected %v, recevied %v", tt.error, err)
-			}
-			pbState, err := v1.ProtobufBeaconState(testState.InnerStateUnsafe())
-			require.NoError(t, err)
-			genericHTR, err := pbState.HashTreeRoot()
-			if err == nil && tt.error != "" {
-				t.Errorf("Expected error, expected %v, recevied %v", tt.error, err)
-			}
-			assert.DeepNotEqual(t, []byte{}, root[:], "Received empty hash tree root")
-			assert.DeepEqual(t, genericHTR[:], root[:], "Expected hash tree root to match generic")
-			if len(oldHTR) != 0 && bytes.Equal(root[:], oldHTR) {
-				t.Errorf("Expected HTR to change, received %#x == old %#x", root, oldHTR)
-			}
-			oldHTR = root[:]
-		})
-	}
-}
-
-func TestBeaconState_HashTreeRoot_FieldTrie(t *testing.T) {
-	testState, _ := util.DeterministicGenesisState(t, 64)
-
-	type test struct {
-		name        string
-		stateModify func(state.BeaconState) (state.BeaconState, error)
-		error       string
-	}
-	initTests := []test{
-		{
-			name: "unchanged state",
-			stateModify: func(beaconState state.BeaconState) (state.BeaconState, error) {
-				return beaconState, nil
-			},
-			error: "",
-		},
-		{
-			name: "different slot",
-			stateModify: func(beaconState state.BeaconState) (state.BeaconState, error) {
-				if err := beaconState.SetSlot(5); err != nil {
-					return nil, err
-				}
-				return beaconState, nil
-			},
-			error: "",
-		},
-		{
-			name: "different validator balance",
-			stateModify: func(beaconState state.BeaconState) (state.BeaconState, error) {
-				val, err := beaconState.ValidatorAtIndex(5)
-				if err != nil {
-					return nil, err
-				}
-				val.EffectiveBalance = params.BeaconConfig().MaxEffectiveBalance - params.BeaconConfig().EffectiveBalanceIncrement
-				if err := beaconState.UpdateValidatorAtIndex(5, val); err != nil {
-					return nil, err
-				}
-				return beaconState, nil
-			},
-			error: "",
-		},
-	}
-
-	var err error
-	var oldHTR []byte
-	for _, tt := range initTests {
-		t.Run(tt.name, func(t *testing.T) {
-			testState, err = tt.stateModify(testState)
-			assert.NoError(t, err)
-			root, err := testState.HashTreeRoot(context.Background())
-			if err == nil && tt.error != "" {
-				t.Errorf("Expected error, expected %v, recevied %v", tt.error, err)
-			}
-			pbState, err := v1.ProtobufBeaconState(testState.InnerStateUnsafe())
-			require.NoError(t, err)
-			genericHTR, err := pbState.HashTreeRoot()
-			if err == nil && tt.error != "" {
-				t.Errorf("Expected error, expected %v, recevied %v", tt.error, err)
-			}
-			assert.DeepNotEqual(t, []byte{}, root[:], "Received empty hash tree root")
-			assert.DeepEqual(t, genericHTR[:], root[:], "Expected hash tree root to match generic")
-			if len(oldHTR) != 0 && bytes.Equal(root[:], oldHTR) {
-				t.Errorf("Expected HTR to change, received %#x == old %#x", root, oldHTR)
-			}
-			oldHTR = root[:]
-		})
-	}
-}
-
-func TestBeaconState_AppendValidator_DoesntMutateCopy(t *testing.T) {
-	st0, err := util.NewBeaconState()
-	require.NoError(t, err)
-	st1 := st0.Copy()
-	originalCount := st1.NumValidators()
-
-	val := &ethpb.Validator{Slashed: true}
-	assert.NoError(t, st0.AppendValidator(val))
-	assert.Equal(t, originalCount, st1.NumValidators(), "st1 NumValidators mutated")
-	_, ok := st1.ValidatorIndexByPubkey(bytesutil.ToBytes48(val.PublicKey))
-	assert.Equal(t, false, ok, "Expected no validator index to be present in st1 for the newly inserted pubkey")
-}
-
-func BenchmarkBeaconState(b *testing.B) {
-	testState, _ := util.DeterministicGenesisState(b, 16000)
-	pbState, err := v1.ProtobufBeaconState(testState.InnerStateUnsafe())
-	require.NoError(b, err)
-
-	b.Run("Vectorized SHA256", func(b *testing.B) {
-		st, err := v1.InitializeFromProtoUnsafe(pbState)
-		require.NoError(b, err)
-		_, err = st.HashTreeRoot(context.Background())
-		assert.NoError(b, err)
-	})
-
-	b.Run("Current SHA256", func(b *testing.B) {
-		_, err := pbState.HashTreeRoot()
-		require.NoError(b, err)
-	})
-}

beacon-chain/state/state-native/v1/types.go

@@ -1,54 +0,0 @@
-package v1
-
-import (
-	"github.com/prysmaticlabs/prysm/beacon-chain/state"
-	"github.com/prysmaticlabs/prysm/beacon-chain/state/types"
-	"github.com/prysmaticlabs/prysm/config/params"
-)
-
-// Ensure type BeaconState below implements BeaconState interface.
-var _ state.BeaconState = (*BeaconState)(nil)
-
-func init() {
-	fieldMap = make(map[types.FieldIndex]types.DataType, params.BeaconConfig().BeaconStateFieldCount)
-	// Initialize the fixed sized arrays.
-	fieldMap[types.BlockRoots] = types.BasicArray
-	fieldMap[types.StateRoots] = types.BasicArray
-	fieldMap[types.RandaoMixes] = types.BasicArray
-
-	// Initialize the composite arrays.
-	fieldMap[types.Eth1DataVotes] = types.CompositeArray
-	fieldMap[types.Validators] = types.CompositeArray
-	fieldMap[types.PreviousEpochAttestations] = types.CompositeArray
-	fieldMap[types.CurrentEpochAttestations] = types.CompositeArray
-	fieldMap[types.Balances] = types.CompressedArray
-}
-
-// fieldMap keeps track of each field
-// to its corresponding data type.
-var fieldMap map[types.FieldIndex]types.DataType
-
-// Field Aliases for values from the types package.
-const (
-	genesisTime                 = types.GenesisTime
-	genesisValidatorsRoot       = types.GenesisValidatorsRoot
-	slot                        = types.Slot
-	fork                        = types.Fork
-	latestBlockHeader           = types.LatestBlockHeader
-	blockRoots                  = types.BlockRoots
-	stateRoots                  = types.StateRoots
-	historicalRoots             = types.HistoricalRoots
-	eth1Data                    = types.Eth1Data
-	eth1DataVotes               = types.Eth1DataVotes
-	eth1DepositIndex            = types.Eth1DepositIndex
-	validators                  = types.Validators
-	balances                    = types.Balances
-	randaoMixes                 = types.RandaoMixes
-	slashings                   = types.Slashings
-	previousEpochAttestations   = types.PreviousEpochAttestations
-	currentEpochAttestations    = types.CurrentEpochAttestations
-	justificationBits           = types.JustificationBits
-	previousJustifiedCheckpoint = types.PreviousJustifiedCheckpoint
-	currentJustifiedCheckpoint  = types.CurrentJustifiedCheckpoint
-	finalizedCheckpoint         = types.FinalizedCheckpoint
-)