Initial commit of merge geth v1.11.5

2023-04-21 13:24:40 -07:00
parent 60838d43f9 ea9e62ca3d
commit e986bbfa6f
247 changed files with 2605 additions and 1802 deletions
@@ -327,7 +327,7 @@ func (b *EthAPIBackend) SuggestGasTipCap(ctx context.Context) (*big.Int, error)
 	return b.gpo.SuggestTipCap(ctx)
 }

-func (b *EthAPIBackend) FeeHistory(ctx context.Context, blockCount int, lastBlock rpc.BlockNumber, rewardPercentiles []float64) (firstBlock *big.Int, reward [][]*big.Int, baseFee []*big.Int, gasUsedRatio []float64, err error) {
+func (b *EthAPIBackend) FeeHistory(ctx context.Context, blockCount uint64, lastBlock rpc.BlockNumber, rewardPercentiles []float64) (firstBlock *big.Int, reward [][]*big.Int, baseFee []*big.Int, gasUsedRatio []float64, err error) {
 	return b.gpo.FeeHistory(ctx, blockCount, lastBlock, rewardPercentiles)
 }

@@ -20,7 +20,6 @@ package catalyst
 import (
 	"errors"
 	"fmt"
-	"math/big"
 	"sync"
 	"time"

@@ -64,11 +63,6 @@ const (
 	// attached before starting to issue warnings.
 	beaconUpdateStartupTimeout = 30 * time.Second

-	// beaconUpdateExchangeTimeout is the max time allowed for a beacon client to
-	// do a transition config exchange before it's considered offline and the user
-	// is warned.
-	beaconUpdateExchangeTimeout = 2 * time.Minute
-
 	// beaconUpdateConsensusTimeout is the max time allowed for a beacon client
 	// to send a consensus update before it's considered offline and the user is
 	// warned.
@@ -667,14 +661,13 @@ func (api *ConsensusAPI) heartbeat() {
 	// attached, so no need to print scary warnings to the user.
 	time.Sleep(beaconUpdateStartupTimeout)

-	var (
-		offlineLogged time.Time
-		ttd           = api.eth.BlockChain().Config().TerminalTotalDifficulty
-	)
 	// If the network is not yet merged/merging, don't bother continuing.
-	if ttd == nil {
+	if api.eth.BlockChain().Config().TerminalTotalDifficulty == nil {
 		return
 	}
+
+	var offlineLogged time.Time
+
 	for {
 		// Sleep a bit and retrieve the last known consensus updates
 		time.Sleep(5 * time.Second)
@@ -698,20 +691,14 @@ func (api *ConsensusAPI) heartbeat() {
 				offlineLogged = time.Time{}
 				continue
 			}
-			if time.Since(lastTransitionUpdate) > beaconUpdateExchangeTimeout {
-				if time.Since(offlineLogged) > beaconUpdateWarnFrequency {
+
+			if time.Since(offlineLogged) > beaconUpdateWarnFrequency {
+				if lastForkchoiceUpdate.IsZero() && lastNewPayloadUpdate.IsZero() {
 					if lastTransitionUpdate.IsZero() {
 						log.Warn("Post-merge network, but no beacon client seen. Please launch one to follow the chain!")
 					} else {
-						log.Warn("Previously seen beacon client is offline. Please ensure it is operational to follow the chain!")
+						log.Warn("Beacon client online, but never received consensus updates. Please ensure your beacon client is operational to follow the chain!")
 					}
-					offlineLogged = time.Now()
-				}
-				continue
-			}
-			if time.Since(offlineLogged) > beaconUpdateWarnFrequency {
-				if lastForkchoiceUpdate.IsZero() && lastNewPayloadUpdate.IsZero() {
-					log.Warn("Beacon client online, but never received consensus updates. Please ensure your beacon client is operational to follow the chain!")
 				} else {
 					log.Warn("Beacon client online, but no consensus updates received in a while. Please fix your beacon client to follow the chain!")
 				}
@@ -719,62 +706,6 @@ func (api *ConsensusAPI) heartbeat() {
 			}
 			continue
 		}
-		if time.Since(lastTransitionUpdate) <= beaconUpdateExchangeTimeout {
-			offlineLogged = time.Time{}
-			continue
-		}
-		if time.Since(offlineLogged) > beaconUpdateWarnFrequency {
-			// Retrieve the last few blocks and make a rough estimate as
-			// to when the merge transition should happen
-			var (
-				chain = api.eth.BlockChain()
-				head  = chain.CurrentHeader()
-				htd   = chain.GetTd(head.Hash(), head.Number.Uint64())
-			)
-			if htd.Cmp(ttd) >= 0 {
-				if lastTransitionUpdate.IsZero() {
-					log.Warn("Merge already reached, but no beacon client seen. Please launch one to follow the chain!")
-				} else {
-					log.Warn("Merge already reached, but previously seen beacon client is offline. Please ensure it is operational to follow the chain!")
-				}
-				offlineLogged = time.Now()
-				continue
-			}
-			var eta time.Duration
-			if head.Number.Uint64() > 0 {
-				// Accumulate the last 64 difficulties to estimate the growth
-				var (
-					deltaDiff uint64
-					deltaTime uint64
-					current   = head
-				)
-				for i := 0; i < 64; i++ {
-					parent := chain.GetHeader(current.ParentHash, current.Number.Uint64()-1)
-					if parent == nil {
-						break
-					}
-					deltaDiff += current.Difficulty.Uint64()
-					deltaTime += current.Time - parent.Time
-					current = parent
-				}
-				// Estimate an ETA based on the block times and the difficulty growth
-				if deltaTime > 0 {
-					growth := deltaDiff / deltaTime
-					left := new(big.Int).Sub(ttd, htd)
-					eta = time.Duration(new(big.Int).Div(left, new(big.Int).SetUint64(growth+1)).Uint64()) * time.Second
-				}
-			}
-			message := "Merge is configured, but previously seen beacon client is offline. Please ensure it is operational before the transition arrives!"
-			if lastTransitionUpdate.IsZero() {
-				message = "Merge is configured, but no beacon client seen. Please ensure you have one available before the transition arrives!"
-			}
-			if eta < time.Second {
-				log.Warn(message)
-			} else {
-				log.Warn(message, "eta", common.PrettyAge(time.Now().Add(-eta))) // weird hack, but duration formatted doesn't handle days
-			}
-			offlineLogged = time.Now()
-		}
 	}
 }

@@ -879,15 +879,10 @@ func TestNewPayloadOnInvalidTerminalBlock(t *testing.T) {
 	genesis, preMergeBlocks := generateMergeChain(100, false)
 	n, ethservice := startEthService(t, genesis, preMergeBlocks)
 	defer n.Close()
-
-	ethservice.BlockChain().Config().TerminalTotalDifficulty = preMergeBlocks[0].Difficulty() //.Sub(genesis.Config.TerminalTotalDifficulty, preMergeBlocks[len(preMergeBlocks)-1].Difficulty())
-
-	var (
-		api    = NewConsensusAPI(ethservice)
-		parent = preMergeBlocks[len(preMergeBlocks)-1]
-	)
+	api := NewConsensusAPI(ethservice)

 	// Test parent already post TTD in FCU
+	parent := preMergeBlocks[len(preMergeBlocks)-2]
 	fcState := engine.ForkchoiceStateV1{
 		HeadBlockHash:      parent.Hash(),
 		SafeBlockHash:      common.Hash{},
@@ -913,6 +908,28 @@ func TestNewPayloadOnInvalidTerminalBlock(t *testing.T) {
 		t.Fatalf("error preparing payload, err=%v", err)
 	}
 	data := *payload.Resolve().ExecutionPayload
+	// We need to recompute the blockhash, since the miner computes a wrong (correct) blockhash
+	txs, _ := decodeTransactions(data.Transactions)
+	header := &types.Header{
+		ParentHash:  data.ParentHash,
+		UncleHash:   types.EmptyUncleHash,
+		Coinbase:    data.FeeRecipient,
+		Root:        data.StateRoot,
+		TxHash:      types.DeriveSha(types.Transactions(txs), trie.NewStackTrie(nil)),
+		ReceiptHash: data.ReceiptsRoot,
+		Bloom:       types.BytesToBloom(data.LogsBloom),
+		Difficulty:  common.Big0,
+		Number:      new(big.Int).SetUint64(data.Number),
+		GasLimit:    data.GasLimit,
+		GasUsed:     data.GasUsed,
+		Time:        data.Timestamp,
+		BaseFee:     data.BaseFeePerGas,
+		Extra:       data.ExtraData,
+		MixDigest:   data.Random,
+	}
+	block := types.NewBlockWithHeader(header).WithBody(txs, nil /* uncles */)
+	data.BlockHash = block.Hash()
+	// Send the new payload
 	resp2, err := api.NewPayloadV1(data)
 	if err != nil {
 		t.Fatalf("error sending NewPayload, err=%v", err)
@@ -1240,9 +1257,10 @@ func TestNilWithdrawals(t *testing.T) {

 func setupBodies(t *testing.T) (*node.Node, *eth.Ethereum, []*types.Block) {
 	genesis, blocks := generateMergeChain(10, true)
-	n, ethservice := startEthService(t, genesis, blocks)
 	// enable shanghai on the last block
-	ethservice.BlockChain().Config().ShanghaiTime = &blocks[len(blocks)-1].Header().Time
+	time := blocks[len(blocks)-1].Header().Time + 1
+	genesis.Config.ShanghaiTime = &time
+	n, ethservice := startEthService(t, genesis, blocks)

 	var (
 		parent = ethservice.BlockChain().CurrentBlock()
@@ -19,7 +19,6 @@ package downloader
 import (
 	"fmt"
 	"sync"
-	"sync/atomic"
 	"time"

 	"github.com/ethereum/go-ethereum/common"
@@ -371,7 +370,7 @@ func (d *Downloader) fetchBeaconHeaders(from uint64) error {
 			continue
 		}
 		// If the pivot block is committed, signal header sync termination
-		if atomic.LoadInt32(&d.committed) == 1 {
+		if d.committed.Load() {
 			select {
 			case d.headerProcCh <- nil:
 				return nil
@@ -98,7 +98,7 @@ type headerTask struct {
 }

 type Downloader struct {
-	mode uint32         // Synchronisation mode defining the strategy used (per sync cycle), use d.getMode() to get the SyncMode
+	mode atomic.Uint32  // Synchronisation mode defining the strategy used (per sync cycle), use d.getMode() to get the SyncMode
 	mux  *event.TypeMux // Event multiplexer to announce sync operation events

 	checkpoint uint64   // Checkpoint block number to enforce head against (e.g. snap sync)
@@ -122,9 +122,9 @@ type Downloader struct {

 	// Status
 	synchroniseMock func(id string, hash common.Hash) error // Replacement for synchronise during testing
-	synchronising   int32
-	notified        int32
-	committed       int32
+	synchronising   atomic.Bool
+	notified        atomic.Bool
+	committed       atomic.Bool
 	ancientLimit    uint64 // The maximum block number which can be regarded as ancient data.

 	// Channels
@@ -292,7 +292,7 @@ func (d *Downloader) Progress() ethereum.SyncProgress {

 // Synchronising returns whether the downloader is currently retrieving blocks.
 func (d *Downloader) Synchronising() bool {
-	return atomic.LoadInt32(&d.synchronising) > 0
+	return d.synchronising.Load()
 }

 // RegisterPeer injects a new download peer into the set of block source to be
@@ -392,13 +392,13 @@ func (d *Downloader) synchronise(id string, hash common.Hash, td, ttd *big.Int,
 		return d.synchroniseMock(id, hash)
 	}
 	// Make sure only one goroutine is ever allowed past this point at once
-	if !atomic.CompareAndSwapInt32(&d.synchronising, 0, 1) {
+	if !d.synchronising.CompareAndSwap(false, true) {
 		return errBusy
 	}
-	defer atomic.StoreInt32(&d.synchronising, 0)
+	defer d.synchronising.Store(false)

 	// Post a user notification of the sync (only once per session)
-	if atomic.CompareAndSwapInt32(&d.notified, 0, 1) {
+	if d.notified.CompareAndSwap(false, true) {
 		log.Info("Block synchronisation started")
 	}
 	if mode == SnapSync {
@@ -435,7 +435,7 @@ func (d *Downloader) synchronise(id string, hash common.Hash, td, ttd *big.Int,
 	defer d.Cancel() // No matter what, we can't leave the cancel channel open

 	// Atomically set the requested sync mode
-	atomic.StoreUint32(&d.mode, uint32(mode))
+	d.mode.Store(uint32(mode))

 	// Retrieve the origin peer and initiate the downloading process
 	var p *peerConnection
@@ -452,7 +452,7 @@ func (d *Downloader) synchronise(id string, hash common.Hash, td, ttd *big.Int,
 }

 func (d *Downloader) getMode() SyncMode {
-	return SyncMode(atomic.LoadUint32(&d.mode))
+	return SyncMode(d.mode.Load())
 }

 // syncWithPeer starts a block synchronization based on the hash chain from the
@@ -562,9 +562,9 @@ func (d *Downloader) syncWithPeer(p *peerConnection, hash common.Hash, td, ttd *
 			rawdb.WriteLastPivotNumber(d.stateDB, pivotNumber)
 		}
 	}
-	d.committed = 1
+	d.committed.Store(true)
 	if mode == SnapSync && pivot.Number.Uint64() != 0 {
-		d.committed = 0
+		d.committed.Store(false)
 	}
 	if mode == SnapSync {
 		// Set the ancient data limitation. If we are running snap sync, all block
@@ -1128,7 +1128,7 @@ func (d *Downloader) fetchHeaders(p *peerConnection, from uint64, head uint64) e
 		// If no more headers are inbound, notify the content fetchers and return
 		if len(headers) == 0 {
 			// Don't abort header fetches while the pivot is downloading
-			if atomic.LoadInt32(&d.committed) == 0 && pivot <= from {
+			if !d.committed.Load() && pivot <= from {
 				p.log.Debug("No headers, waiting for pivot commit")
 				select {
 				case <-time.After(fsHeaderContCheck):
@@ -1669,7 +1669,7 @@ func (d *Downloader) processSnapSyncContent() error {
 			results = append(append([]*fetchResult{oldPivot}, oldTail...), results...)
 		}
 		// Split around the pivot block and process the two sides via snap/full sync
-		if atomic.LoadInt32(&d.committed) == 0 {
+		if !d.committed.Load() {
 			latest := results[len(results)-1].Header
 			// If the height is above the pivot block by 2 sets, it means the pivot
 			// become stale in the network and it was garbage collected, move to a
@@ -1794,7 +1794,7 @@ func (d *Downloader) commitPivotBlock(result *fetchResult) error {
 	if err := d.blockchain.SnapSyncCommitHead(block.Hash()); err != nil {
 		return err
 	}
-	atomic.StoreInt32(&d.committed, 1)
+	d.committed.Store(true)
 	return nil
 }

@@ -476,9 +476,10 @@ func testThrottling(t *testing.T, protocol uint, mode SyncMode) {
 	tester.newPeer("peer", protocol, testChainBase.blocks[1:])

 	// Wrap the importer to allow stepping
-	blocked, proceed := uint32(0), make(chan struct{})
+	var blocked atomic.Uint32
+	proceed := make(chan struct{})
 	tester.downloader.chainInsertHook = func(results []*fetchResult) {
-		atomic.StoreUint32(&blocked, uint32(len(results)))
+		blocked.Store(uint32(len(results)))
 		<-proceed
 	}
 	// Start a synchronisation concurrently
@@ -505,7 +506,7 @@ func testThrottling(t *testing.T, protocol uint, mode SyncMode) {
 			tester.downloader.queue.resultCache.lock.Lock()
 			{
 				cached = tester.downloader.queue.resultCache.countCompleted()
-				frozen = int(atomic.LoadUint32(&blocked))
+				frozen = int(blocked.Load())
 				retrieved = int(tester.chain.CurrentSnapBlock().Number.Uint64()) + 1
 			}
 			tester.downloader.queue.resultCache.lock.Unlock()
@@ -528,8 +529,8 @@ func testThrottling(t *testing.T, protocol uint, mode SyncMode) {
 			t.Fatalf("block count mismatch: have %v, want %v (owned %v, blocked %v, target %v)", cached, blockCacheMaxItems, retrieved, frozen, targetBlocks+1)
 		}
 		// Permit the blocked blocks to import
-		if atomic.LoadUint32(&blocked) > 0 {
-			atomic.StoreUint32(&blocked, uint32(0))
+		if blocked.Load() > 0 {
+			blocked.Store(uint32(0))
 			proceed <- struct{}{}
 		}
 	}
@@ -786,12 +787,12 @@ func testEmptyShortCircuit(t *testing.T, protocol uint, mode SyncMode) {
 	tester.newPeer("peer", protocol, chain.blocks[1:])

 	// Instrument the downloader to signal body requests
-	bodiesHave, receiptsHave := int32(0), int32(0)
+	var bodiesHave, receiptsHave atomic.Int32
 	tester.downloader.bodyFetchHook = func(headers []*types.Header) {
-		atomic.AddInt32(&bodiesHave, int32(len(headers)))
+		bodiesHave.Add(int32(len(headers)))
 	}
 	tester.downloader.receiptFetchHook = func(headers []*types.Header) {
-		atomic.AddInt32(&receiptsHave, int32(len(headers)))
+		receiptsHave.Add(int32(len(headers)))
 	}
 	// Synchronise with the peer and make sure all blocks were retrieved
 	if err := tester.sync("peer", nil, mode); err != nil {
@@ -811,11 +812,11 @@ func testEmptyShortCircuit(t *testing.T, protocol uint, mode SyncMode) {
 			receiptsNeeded++
 		}
 	}
-	if int(bodiesHave) != bodiesNeeded {
-		t.Errorf("body retrieval count mismatch: have %v, want %v", bodiesHave, bodiesNeeded)
+	if int(bodiesHave.Load()) != bodiesNeeded {
+		t.Errorf("body retrieval count mismatch: have %v, want %v", bodiesHave.Load(), bodiesNeeded)
 	}
-	if int(receiptsHave) != receiptsNeeded {
-		t.Errorf("receipt retrieval count mismatch: have %v, want %v", receiptsHave, receiptsNeeded)
+	if int(receiptsHave.Load()) != receiptsNeeded {
+		t.Errorf("receipt retrieval count mismatch: have %v, want %v", receiptsHave.Load(), receiptsNeeded)
 	}
 }

@@ -61,7 +61,7 @@ type fetchRequest struct {
 // fetchResult is a struct collecting partial results from data fetchers until
 // all outstanding pieces complete and the result as a whole can be processed.
 type fetchResult struct {
-	pending int32 // Flag telling what deliveries are outstanding
+	pending atomic.Int32 // Flag telling what deliveries are outstanding

 	Header       *types.Header
 	Uncles       []*types.Header
@@ -75,38 +75,38 @@ func newFetchResult(header *types.Header, fastSync bool) *fetchResult {
 		Header: header,
 	}
 	if !header.EmptyBody() {
-		item.pending |= (1 << bodyType)
+		item.pending.Store(item.pending.Load() | (1 << bodyType))
 	} else if header.WithdrawalsHash != nil {
 		item.Withdrawals = make(types.Withdrawals, 0)
 	}
 	if fastSync && !header.EmptyReceipts() {
-		item.pending |= (1 << receiptType)
+		item.pending.Store(item.pending.Load() | (1 << receiptType))
 	}
 	return item
 }

 // SetBodyDone flags the body as finished.
 func (f *fetchResult) SetBodyDone() {
-	if v := atomic.LoadInt32(&f.pending); (v & (1 << bodyType)) != 0 {
-		atomic.AddInt32(&f.pending, -1)
+	if v := f.pending.Load(); (v & (1 << bodyType)) != 0 {
+		f.pending.Add(-1)
 	}
 }

 // AllDone checks if item is done.
 func (f *fetchResult) AllDone() bool {
-	return atomic.LoadInt32(&f.pending) == 0
+	return f.pending.Load() == 0
 }

 // SetReceiptsDone flags the receipts as finished.
 func (f *fetchResult) SetReceiptsDone() {
-	if v := atomic.LoadInt32(&f.pending); (v & (1 << receiptType)) != 0 {
-		atomic.AddInt32(&f.pending, -2)
+	if v := f.pending.Load(); (v & (1 << receiptType)) != 0 {
+		f.pending.Add(-2)
 	}
 }

 // Done checks if the given type is done already
 func (f *fetchResult) Done(kind uint) bool {
-	v := atomic.LoadInt32(&f.pending)
+	v := f.pending.Load()
 	return v&(1<<kind) == 0
 }

@@ -33,7 +33,7 @@ type resultStore struct {
 	// Internal index of first non-completed entry, updated atomically when needed.
 	// If all items are complete, this will equal length(items), so
 	// *important* : is not safe to use for indexing without checking against length
-	indexIncomplete int32 // atomic access
+	indexIncomplete atomic.Int32

 	// throttleThreshold is the limit up to which we _want_ to fill the
 	// results. If blocks are large, we want to limit the results to less
@@ -146,7 +146,7 @@ func (r *resultStore) HasCompletedItems() bool {
 func (r *resultStore) countCompleted() int {
 	// We iterate from the already known complete point, and see
 	// if any more has completed since last count
-	index := atomic.LoadInt32(&r.indexIncomplete)
+	index := r.indexIncomplete.Load()
 	for ; ; index++ {
 		if index >= int32(len(r.items)) {
 			break
@@ -156,7 +156,7 @@ func (r *resultStore) countCompleted() int {
 			break
 		}
 	}
-	atomic.StoreInt32(&r.indexIncomplete, index)
+	r.indexIncomplete.Store(index)
 	return int(index)
 }

@@ -179,7 +179,7 @@ func (r *resultStore) GetCompleted(limit int) []*fetchResult {
 	}
 	// Advance the expected block number of the first cache entry
 	r.resultOffset += uint64(limit)
-	atomic.AddInt32(&r.indexIncomplete, int32(-limit))
+	r.indexIncomplete.Add(int32(-limit))

 	return results
 }
@@ -82,8 +82,8 @@ type skeletonTestPeer struct {

 	serve func(origin uint64) []*types.Header // Hook to allow custom responses

-	served  uint64 // Number of headers served by this peer
-	dropped uint64 // Flag whether the peer was dropped (stop responding)
+	served  atomic.Uint64 // Number of headers served by this peer
+	dropped atomic.Uint64 // Flag whether the peer was dropped (stop responding)
 }

 // newSkeletonTestPeer creates a new mock peer to test the skeleton sync with.
@@ -113,7 +113,7 @@ func (p *skeletonTestPeer) RequestHeadersByNumber(origin uint64, amount int, ski
 	// Since skeleton test peer are in-memory mocks, dropping the does not make
 	// them inaccessible. As such, check a local `dropped` field to see if the
 	// peer has been dropped and should not respond any more.
-	if atomic.LoadUint64(&p.dropped) != 0 {
+	if p.dropped.Load() != 0 {
 		return nil, errors.New("peer already dropped")
 	}
 	// Skeleton sync retrieves batches of headers going backward without gaps.
@@ -161,7 +161,7 @@ func (p *skeletonTestPeer) RequestHeadersByNumber(origin uint64, amount int, ski
 			}
 		}
 	}
-	atomic.AddUint64(&p.served, uint64(len(headers)))
+	p.served.Add(uint64(len(headers)))

 	hashes := make([]common.Hash, len(headers))
 	for i, header := range headers {
@@ -182,7 +182,7 @@ func (p *skeletonTestPeer) RequestHeadersByNumber(origin uint64, amount int, ski
 		sink <- res
 		if err := <-res.Done; err != nil {
 			log.Warn("Skeleton test peer response rejected", "err", err)
-			atomic.AddUint64(&p.dropped, 1)
+			p.dropped.Add(1)
 		}
 	}()
 	return req, nil
@@ -817,7 +817,7 @@ func TestSkeletonSyncRetrievals(t *testing.T) {
 		dropped := make(map[string]int)
 		drop := func(peer string) {
 			if p := peerset.Peer(peer); p != nil {
-				atomic.AddUint64(&p.peer.(*skeletonTestPeer).dropped, 1)
+				p.peer.(*skeletonTestPeer).dropped.Add(1)
 			}
 			peerset.Unregister(peer)
 			dropped[peer]++
@@ -895,14 +895,14 @@ func TestSkeletonSyncRetrievals(t *testing.T) {
 		if !tt.unpredictable {
 			var served uint64
 			for _, peer := range tt.peers {
-				served += atomic.LoadUint64(&peer.served)
+				served += peer.served.Load()
 			}
 			if served != tt.midserve {
 				t.Errorf("test %d, mid state: served headers mismatch: have %d, want %d", i, served, tt.midserve)
 			}
 			var drops uint64
 			for _, peer := range tt.peers {
-				drops += atomic.LoadUint64(&peer.dropped)
+				drops += peer.dropped.Load()
 			}
 			if drops != tt.middrop {
 				t.Errorf("test %d, mid state: dropped peers mismatch: have %d, want %d", i, drops, tt.middrop)
@@ -950,20 +950,20 @@ func TestSkeletonSyncRetrievals(t *testing.T) {
 		if !tt.unpredictable {
 			served := uint64(0)
 			for _, peer := range tt.peers {
-				served += atomic.LoadUint64(&peer.served)
+				served += peer.served.Load()
 			}
 			if tt.newPeer != nil {
-				served += atomic.LoadUint64(&tt.newPeer.served)
+				served += tt.newPeer.served.Load()
 			}
 			if served != tt.endserve {
 				t.Errorf("test %d, end state: served headers mismatch: have %d, want %d", i, served, tt.endserve)
 			}
 			drops := uint64(0)
 			for _, peer := range tt.peers {
-				drops += atomic.LoadUint64(&peer.dropped)
+				drops += peer.dropped.Load()
 			}
 			if tt.newPeer != nil {
-				drops += atomic.LoadUint64(&tt.newPeer.dropped)
+				drops += tt.newPeer.dropped.Load()
 			}
 			if drops != tt.enddrop {
 				t.Errorf("test %d, end state: dropped peers mismatch: have %d, want %d", i, drops, tt.middrop)
@@ -142,7 +142,7 @@ func (oracle *Oracle) processBlock(bf *blockFees, percentiles []float64) {
 // also returned if requested and available.
 // Note: an error is only returned if retrieving the head header has failed. If there are no
 // retrievable blocks in the specified range then zero block count is returned with no error.
-func (oracle *Oracle) resolveBlockRange(ctx context.Context, reqEnd rpc.BlockNumber, blocks int) (*types.Block, []*types.Receipt, uint64, int, error) {
+func (oracle *Oracle) resolveBlockRange(ctx context.Context, reqEnd rpc.BlockNumber, blocks uint64) (*types.Block, []*types.Receipt, uint64, uint64, error) {
 	var (
 		headBlock       *types.Header
 		pendingBlock    *types.Block
@@ -200,8 +200,8 @@ func (oracle *Oracle) resolveBlockRange(ctx context.Context, reqEnd rpc.BlockNum
 		return nil, nil, 0, 0, nil
 	}
 	// Ensure not trying to retrieve before genesis.
-	if int(reqEnd+1) < blocks {
-		blocks = int(reqEnd + 1)
+	if uint64(reqEnd+1) < blocks {
+		blocks = uint64(reqEnd + 1)
 	}
 	return pendingBlock, pendingReceipts, uint64(reqEnd), blocks, nil
 }
@@ -220,7 +220,7 @@ func (oracle *Oracle) resolveBlockRange(ctx context.Context, reqEnd rpc.BlockNum
 //
 // Note: baseFee includes the next block after the newest of the returned range, because this
 // value can be derived from the newest block.
-func (oracle *Oracle) FeeHistory(ctx context.Context, blocks int, unresolvedLastBlock rpc.BlockNumber, rewardPercentiles []float64) (*big.Int, [][]*big.Int, []*big.Int, []float64, error) {
+func (oracle *Oracle) FeeHistory(ctx context.Context, blocks uint64, unresolvedLastBlock rpc.BlockNumber, rewardPercentiles []float64) (*big.Int, [][]*big.Int, []*big.Int, []float64, error) {
 	if blocks < 1 {
 		return common.Big0, nil, nil, nil, nil // returning with no data and no error means there are no retrievable blocks
 	}
@@ -249,7 +249,7 @@ func (oracle *Oracle) FeeHistory(ctx context.Context, blocks int, unresolvedLast
 	if err != nil || blocks == 0 {
 		return common.Big0, nil, nil, nil, err
 	}
-	oldestBlock := lastBlock + 1 - uint64(blocks)
+	oldestBlock := lastBlock + 1 - blocks

 	var (
 		next    = oldestBlock
@@ -259,7 +259,7 @@ func (oracle *Oracle) FeeHistory(ctx context.Context, blocks int, unresolvedLast
 	for i, p := range rewardPercentiles {
 		binary.LittleEndian.PutUint64(percentileKey[i*8:(i+1)*8], math.Float64bits(p))
 	}
-	for i := 0; i < maxBlockFetchers && i < blocks; i++ {
+	for i := 0; i < maxBlockFetchers && i < int(blocks); i++ {
 		go func() {
 			for {
 				// Retrieve the next block number to fetch with this goroutine
@@ -314,7 +314,7 @@ func (oracle *Oracle) FeeHistory(ctx context.Context, blocks int, unresolvedLast
 		if fees.err != nil {
 			return common.Big0, nil, nil, nil, fees.err
 		}
-		i := int(fees.blockNumber - oldestBlock)
+		i := fees.blockNumber - oldestBlock
 		if fees.results.baseFee != nil {
 			reward[i], baseFee[i], baseFee[i+1], gasUsedRatio[i] = fees.results.reward, fees.results.baseFee, fees.results.nextBaseFee, fees.results.gasUsedRatio
 		} else {
@@ -28,8 +28,8 @@ import (
 func TestFeeHistory(t *testing.T) {
 	var cases = []struct {
 		pending             bool
-		maxHeader, maxBlock int
-		count               int
+		maxHeader, maxBlock uint64
+		count               uint64
 		last                rpc.BlockNumber
 		percent             []float64
 		expFirst            uint64
@@ -42,8 +42,8 @@ var (
 type Config struct {
 	Blocks           int
 	Percentile       int
-	MaxHeaderHistory int
-	MaxBlockHistory  int
+	MaxHeaderHistory uint64
+	MaxBlockHistory  uint64
 	Default          *big.Int `toml:",omitempty"`
 	MaxPrice         *big.Int `toml:",omitempty"`
 	IgnorePrice      *big.Int `toml:",omitempty"`
@@ -71,7 +71,7 @@ type Oracle struct {
 	fetchLock   sync.Mutex

 	checkBlocks, percentile           int
-	maxHeaderHistory, maxBlockHistory int
+	maxHeaderHistory, maxBlockHistory uint64

 	historyCache *lru.Cache[cacheKey, processedFees]
 }
@@ -418,7 +418,7 @@ func ServiceGetStorageRangesQuery(chain *core.BlockChain, req *GetStorageRangesP
 			if err != nil {
 				return nil, nil
 			}
-			acc, err := accTrie.TryGetAccountByHash(account)
+			acc, err := accTrie.GetAccountByHash(account)
 			if err != nil || acc == nil {
 				return nil, nil
 			}
@@ -510,7 +510,7 @@ func ServiceGetTrieNodesQuery(chain *core.BlockChain, req *GetTrieNodesPacket, s

 		case 1:
 			// If we're only retrieving an account trie node, fetch it directly
-			blob, resolved, err := accTrie.TryGetNode(pathset[0])
+			blob, resolved, err := accTrie.GetNode(pathset[0])
 			loads += resolved // always account database reads, even for failures
 			if err != nil {
 				break
@@ -524,7 +524,7 @@ func ServiceGetTrieNodesQuery(chain *core.BlockChain, req *GetTrieNodesPacket, s
 			if snap == nil {
 				// We don't have the requested state snapshotted yet (or it is stale),
 				// but can look up the account via the trie instead.
-				account, err := accTrie.TryGetAccountByHash(common.BytesToHash(pathset[0]))
+				account, err := accTrie.GetAccountByHash(common.BytesToHash(pathset[0]))
 				loads += 8 // We don't know the exact cost of lookup, this is an estimate
 				if err != nil || account == nil {
 					break
@@ -545,7 +545,7 @@ func ServiceGetTrieNodesQuery(chain *core.BlockChain, req *GetTrieNodesPacket, s
 				break
 			}
 			for _, path := range pathset[1:] {
-				blob, resolved, err := stTrie.TryGetNode(path)
+				blob, resolved, err := stTrie.GetNode(path)
 				loads += resolved // always account database reads, even for failures
 				if err != nil {
 					break
@@ -216,7 +216,7 @@ func defaultTrieRequestHandler(t *testPeer, requestId uint64, root common.Hash,
 	for _, pathset := range paths {
 		switch len(pathset) {
 		case 1:
-			blob, _, err := t.accountTrie.TryGetNode(pathset[0])
+			blob, _, err := t.accountTrie.GetNode(pathset[0])
 			if err != nil {
 				t.logger.Info("Error handling req", "error", err)
 				break
@@ -225,7 +225,7 @@ func defaultTrieRequestHandler(t *testPeer, requestId uint64, root common.Hash,
 		default:
 			account := t.storageTries[(common.BytesToHash(pathset[0]))]
 			for _, path := range pathset[1:] {
-				blob, _, err := account.TryGetNode(path)
+				blob, _, err := account.GetNode(path)
 				if err != nil {
 					t.logger.Info("Error handling req", "error", err)
 					break
@@ -1381,7 +1381,7 @@ func makeAccountTrieNoStorage(n int) (string, *trie.Trie, entrySlice) {
 		})
 		key := key32(i)
 		elem := &kv{key, value}
-		accTrie.Update(elem.k, elem.v)
+		accTrie.MustUpdate(elem.k, elem.v)
 		entries = append(entries, elem)
 	}
 	sort.Sort(entries)
@@ -1431,7 +1431,7 @@ func makeBoundaryAccountTrie(n int) (string, *trie.Trie, entrySlice) {
 			CodeHash: getCodeHash(uint64(i)),
 		})
 		elem := &kv{boundaries[i].Bytes(), value}
-		accTrie.Update(elem.k, elem.v)
+		accTrie.MustUpdate(elem.k, elem.v)
 		entries = append(entries, elem)
 	}
 	// Fill other accounts if required
@@ -1443,7 +1443,7 @@ func makeBoundaryAccountTrie(n int) (string, *trie.Trie, entrySlice) {
 			CodeHash: getCodeHash(i),
 		})
 		elem := &kv{key32(i), value}
-		accTrie.Update(elem.k, elem.v)
+		accTrie.MustUpdate(elem.k, elem.v)
 		entries = append(entries, elem)
 	}
 	sort.Sort(entries)
@@ -1487,7 +1487,7 @@ func makeAccountTrieWithStorageWithUniqueStorage(accounts, slots int, code bool)
 			CodeHash: codehash,
 		})
 		elem := &kv{key, value}
-		accTrie.Update(elem.k, elem.v)
+		accTrie.MustUpdate(elem.k, elem.v)
 		entries = append(entries, elem)

 		storageRoots[common.BytesToHash(key)] = stRoot
@@ -1551,7 +1551,7 @@ func makeAccountTrieWithStorage(accounts, slots int, code, boundary bool) (strin
 			CodeHash: codehash,
 		})
 		elem := &kv{key, value}
-		accTrie.Update(elem.k, elem.v)
+		accTrie.MustUpdate(elem.k, elem.v)
 		entries = append(entries, elem)

 		// we reuse the same one for all accounts
@@ -1599,7 +1599,7 @@ func makeStorageTrieWithSeed(owner common.Hash, n, seed uint64, db *trie.Databas
 		key := crypto.Keccak256Hash(slotKey[:])

 		elem := &kv{key[:], rlpSlotValue}
-		trie.Update(elem.k, elem.v)
+		trie.MustUpdate(elem.k, elem.v)
 		entries = append(entries, elem)
 	}
 	sort.Sort(entries)
@@ -1638,7 +1638,7 @@ func makeBoundaryStorageTrie(owner common.Hash, n int, db *trie.Database) (commo
 		val := []byte{0xde, 0xad, 0xbe, 0xef}

 		elem := &kv{key[:], val}
-		trie.Update(elem.k, elem.v)
+		trie.MustUpdate(elem.k, elem.v)
 		entries = append(entries, elem)
 	}
 	// Fill other slots if required
@@ -1650,7 +1650,7 @@ func makeBoundaryStorageTrie(owner common.Hash, n int, db *trie.Database) (commo
 		rlpSlotValue, _ := rlp.EncodeToBytes(common.TrimLeftZeroes(slotValue[:]))

 		elem := &kv{key[:], rlpSlotValue}
-		trie.Update(elem.k, elem.v)
+		trie.MustUpdate(elem.k, elem.v)
 		entries = append(entries, elem)
 	}
 	sort.Sort(entries)
@@ -805,7 +805,6 @@ func (api *API) standardTraceBlockToFile(ctx context.Context, block *types.Block
 			// Swap out the noop logger to the standard tracer
 			writer = bufio.NewWriter(dump)
 			vmConf = vm.Config{
-				Debug:                   true,
 				Tracer:                  logger.NewJSONLogger(&logConfig, writer),
 				EnablePreimageRecording: true,
 			}
@@ -972,7 +971,7 @@ func (api *API) traceTx(ctx context.Context, message *core.Message, txctx *Conte
 		}
 		// end PluGeth injection
 	}
-	vmenv := vm.NewEVM(vmctx, txContext, statedb, api.backend.ChainConfig(), vm.Config{Debug: true, Tracer: tracer, NoBaseFee: true})
+	vmenv := vm.NewEVM(vmctx, txContext, statedb, api.backend.ChainConfig(), vm.Config{Tracer: tracer, NoBaseFee: true})

 	// Define a meaningful timeout of a single transaction trace
 	if config.Timeout != nil {
@@ -835,8 +835,8 @@ func TestTraceChain(t *testing.T) {
 	signer := types.HomesteadSigner{}

 	var (
-		ref   uint32 // total refs has made
-		rel   uint32 // total rels has made
+		ref   atomic.Uint32 // total refs has made
+		rel   atomic.Uint32 // total rels has made
 		nonce uint64
 	)
 	backend := newTestBackend(t, genBlocks, genesis, func(i int, b *core.BlockGen) {
@@ -849,8 +849,8 @@ func TestTraceChain(t *testing.T) {
 			nonce += 1
 		}
 	})
-	backend.refHook = func() { atomic.AddUint32(&ref, 1) }
-	backend.relHook = func() { atomic.AddUint32(&rel, 1) }
+	backend.refHook = func() { ref.Add(1) }
+	backend.relHook = func() { rel.Add(1) }
 	api := NewAPI(backend)

 	single := `{"result":{"gas":21000,"failed":false,"returnValue":"","structLogs":[]}}`
@@ -863,7 +863,8 @@ func TestTraceChain(t *testing.T) {
 		{10, 20, nil}, // the middle chain range, blocks [11, 20]
 	}
 	for _, c := range cases {
-		ref, rel = 0, 0 // clean up the counters
+		ref.Store(0)
+		rel.Store(0)

 		from, _ := api.blockByNumber(context.Background(), rpc.BlockNumber(c.start))
 		to, _ := api.blockByNumber(context.Background(), rpc.BlockNumber(c.end))
@@ -888,8 +889,9 @@ func TestTraceChain(t *testing.T) {
 		if next != c.end+1 {
 			t.Error("Missing tracing block")
 		}
-		if ref != rel {
-			t.Errorf("Ref and deref actions are not equal, ref %d rel %d", ref, rel)
+
+		if nref, nrel := ref.Load(), rel.Load(); nref != nrel {
+			t.Errorf("Ref and deref actions are not equal, ref %d rel %d", nref, nrel)
 		}
 	}
 }
@@ -31,7 +31,6 @@ import (
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
-	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/eth/tracers"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
@@ -144,7 +143,7 @@ func testCallTracer(tracerName string, dirPath string, t *testing.T) {
 			if err != nil {
 				t.Fatalf("failed to create call tracer: %v", err)
 			}
-			evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
+			evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Tracer: tracer})
 			msg, err := core.TransactionToMessage(tx, signer, nil)
 			if err != nil {
 				t.Fatalf("failed to prepare transaction for tracing: %v", err)
@@ -247,7 +246,7 @@ func benchTracer(tracerName string, test *callTracerTest, b *testing.B) {
 		if err != nil {
 			b.Fatalf("failed to create call tracer: %v", err)
 		}
-		evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
+		evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Tracer: tracer})
 		snap := statedb.Snapshot()
 		st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
 		if _, err = st.TransitionDb(); err != nil {
@@ -260,75 +259,121 @@ func benchTracer(tracerName string, test *callTracerTest, b *testing.B) {
 	}
 }

-// TestZeroValueToNotExitCall tests the calltracer(s) on the following:
-// Tx to A, A calls B with zero value. B does not already exist.
-// Expected: that enter/exit is invoked and the inner call is shown in the result
-func TestZeroValueToNotExitCall(t *testing.T) {
-	var to = common.HexToAddress("0x00000000000000000000000000000000deadbeef")
-	privkey, err := crypto.HexToECDSA("0000000000000000deadbeef00000000000000000000000000000000deadbeef")
-	if err != nil {
-		t.Fatalf("err %v", err)
+func TestInternals(t *testing.T) {
+	var (
+		to        = common.HexToAddress("0x00000000000000000000000000000000deadbeef")
+		origin    = common.HexToAddress("0x00000000000000000000000000000000feed")
+		txContext = vm.TxContext{
+			Origin:   origin,
+			GasPrice: big.NewInt(1),
+		}
+		context = vm.BlockContext{
+			CanTransfer: core.CanTransfer,
+			Transfer:    core.Transfer,
+			Coinbase:    common.Address{},
+			BlockNumber: new(big.Int).SetUint64(8000000),
+			Time:        5,
+			Difficulty:  big.NewInt(0x30000),
+			GasLimit:    uint64(6000000),
+		}
+	)
+	mkTracer := func(name string, cfg json.RawMessage) tracers.Tracer {
+		tr, err := tracers.DefaultDirectory.New(name, nil, cfg)
+		if err != nil {
+			t.Fatalf("failed to create call tracer: %v", err)
+		}
+		return tr
 	}
-	signer := types.NewEIP155Signer(big.NewInt(1))
-	tx, err := types.SignNewTx(privkey, signer, &types.LegacyTx{
-		GasPrice: big.NewInt(0),
-		Gas:      50000,
-		To:       &to,
-	})
-	if err != nil {
-		t.Fatalf("err %v", err)
-	}
-	origin, _ := signer.Sender(tx)
-	txContext := vm.TxContext{
-		Origin:   origin,
-		GasPrice: big.NewInt(1),
-	}
-	context := vm.BlockContext{
-		CanTransfer: core.CanTransfer,
-		Transfer:    core.Transfer,
-		Coinbase:    common.Address{},
-		BlockNumber: new(big.Int).SetUint64(8000000),
-		Time:        5,
-		Difficulty:  big.NewInt(0x30000),
-		GasLimit:    uint64(6000000),
-	}
-	var code = []byte{
-		byte(vm.PUSH1), 0x0, byte(vm.DUP1), byte(vm.DUP1), byte(vm.DUP1), // in and outs zero
-		byte(vm.DUP1), byte(vm.PUSH1), 0xff, byte(vm.GAS), // value=0,address=0xff, gas=GAS
-		byte(vm.CALL),
-	}
-	var alloc = core.GenesisAlloc{
-		to: core.GenesisAccount{
-			Nonce: 1,
-			Code:  code,
+
+	for _, tc := range []struct {
+		name   string
+		code   []byte
+		tracer tracers.Tracer
+		want   string
+	}{
+		{
+			// TestZeroValueToNotExitCall tests the calltracer(s) on the following:
+			// Tx to A, A calls B with zero value. B does not already exist.
+			// Expected: that enter/exit is invoked and the inner call is shown in the result
+			name: "ZeroValueToNotExitCall",
+			code: []byte{
+				byte(vm.PUSH1), 0x0, byte(vm.DUP1), byte(vm.DUP1), byte(vm.DUP1), // in and outs zero
+				byte(vm.DUP1), byte(vm.PUSH1), 0xff, byte(vm.GAS), // value=0,address=0xff, gas=GAS
+				byte(vm.CALL),
+			},
+			tracer: mkTracer("callTracer", nil),
+			want:   `{"from":"0x000000000000000000000000000000000000feed","gas":"0xc350","gasUsed":"0x54d8","to":"0x00000000000000000000000000000000deadbeef","input":"0x","calls":[{"from":"0x00000000000000000000000000000000deadbeef","gas":"0x6cbf","gasUsed":"0x0","to":"0x00000000000000000000000000000000000000ff","input":"0x","value":"0x0","type":"CALL"}],"value":"0x0","type":"CALL"}`,
 		},
-		origin: core.GenesisAccount{
-			Nonce:   0,
-			Balance: big.NewInt(500000000000000),
+		{
+			name:   "Stack depletion in LOG0",
+			code:   []byte{byte(vm.LOG3)},
+			tracer: mkTracer("callTracer", json.RawMessage(`{ "withLog": true }`)),
+			want:   `{"from":"0x000000000000000000000000000000000000feed","gas":"0xc350","gasUsed":"0xc350","to":"0x00000000000000000000000000000000deadbeef","input":"0x","error":"stack underflow (0 \u003c=\u003e 5)","value":"0x0","type":"CALL"}`,
 		},
-	}
-	_, statedb := tests.MakePreState(rawdb.NewMemoryDatabase(), alloc, false)
-	// Create the tracer, the EVM environment and run it
-	tracer, err := tracers.DefaultDirectory.New("callTracer", nil, nil)
-	if err != nil {
-		t.Fatalf("failed to create call tracer: %v", err)
-	}
-	evm := vm.NewEVM(context, txContext, statedb, params.MainnetChainConfig, vm.Config{Debug: true, Tracer: tracer})
-	msg, err := core.TransactionToMessage(tx, signer, nil)
-	if err != nil {
-		t.Fatalf("failed to prepare transaction for tracing: %v", err)
-	}
-	st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
-	if _, err = st.TransitionDb(); err != nil {
-		t.Fatalf("failed to execute transaction: %v", err)
-	}
-	// Retrieve the trace result and compare against the etalon
-	res, err := tracer.GetResult()
-	if err != nil {
-		t.Fatalf("failed to retrieve trace result: %v", err)
-	}
-	wantStr := `{"from":"0x682a80a6f560eec50d54e63cbeda1c324c5f8d1b","gas":"0x7148","gasUsed":"0x54d8","to":"0x00000000000000000000000000000000deadbeef","input":"0x","calls":[{"from":"0x00000000000000000000000000000000deadbeef","gas":"0x6cbf","gasUsed":"0x0","to":"0x00000000000000000000000000000000000000ff","input":"0x","value":"0x0","type":"CALL"}],"value":"0x0","type":"CALL"}`
-	if string(res) != wantStr {
-		t.Fatalf("trace mismatch\n have: %v\n want: %v\n", string(res), wantStr)
+		{
+			name: "Mem expansion in LOG0",
+			code: []byte{
+				byte(vm.PUSH1), 0x1,
+				byte(vm.PUSH1), 0x0,
+				byte(vm.MSTORE),
+				byte(vm.PUSH1), 0xff,
+				byte(vm.PUSH1), 0x0,
+				byte(vm.LOG0),
+			},
+			tracer: mkTracer("callTracer", json.RawMessage(`{ "withLog": true }`)),
+			want:   `{"from":"0x000000000000000000000000000000000000feed","gas":"0xc350","gasUsed":"0x5b9e","to":"0x00000000000000000000000000000000deadbeef","input":"0x","logs":[{"address":"0x00000000000000000000000000000000deadbeef","topics":[],"data":"0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"}],"value":"0x0","type":"CALL"}`,
+		},
+		{
+			// Leads to OOM on the prestate tracer
+			name: "Prestate-tracer - mem expansion in CREATE2",
+			code: []byte{
+				byte(vm.PUSH1), 0x1,
+				byte(vm.PUSH1), 0x0,
+				byte(vm.MSTORE),
+				byte(vm.PUSH1), 0x1,
+				byte(vm.PUSH5), 0xff, 0xff, 0xff, 0xff, 0xff,
+				byte(vm.PUSH1), 0x1,
+				byte(vm.PUSH1), 0x0,
+				byte(vm.CREATE2),
+				byte(vm.PUSH1), 0xff,
+				byte(vm.PUSH1), 0x0,
+				byte(vm.LOG0),
+			},
+			tracer: mkTracer("prestateTracer", json.RawMessage(`{ "withLog": true }`)),
+			want:   `{"0x0000000000000000000000000000000000000000":{"balance":"0x0"},"0x000000000000000000000000000000000000feed":{"balance":"0x1c6bf52640350"},"0x00000000000000000000000000000000deadbeef":{"balance":"0x0","code":"0x6001600052600164ffffffffff60016000f560ff6000a0"}}`,
+		},
+	} {
+		_, statedb := tests.MakePreState(rawdb.NewMemoryDatabase(),
+			core.GenesisAlloc{
+				to: core.GenesisAccount{
+					Code: tc.code,
+				},
+				origin: core.GenesisAccount{
+					Balance: big.NewInt(500000000000000),
+				},
+			}, false)
+		evm := vm.NewEVM(context, txContext, statedb, params.MainnetChainConfig, vm.Config{Tracer: tc.tracer})
+		msg := &core.Message{
+			To:                &to,
+			From:              origin,
+			Value:             big.NewInt(0),
+			GasLimit:          50000,
+			GasPrice:          big.NewInt(0),
+			GasFeeCap:         big.NewInt(0),
+			GasTipCap:         big.NewInt(0),
+			SkipAccountChecks: false,
+		}
+		st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(msg.GasLimit))
+		if _, err := st.TransitionDb(); err != nil {
+			t.Fatalf("test %v: failed to execute transaction: %v", tc.name, err)
+		}
+		// Retrieve the trace result and compare against the expected
+		res, err := tc.tracer.GetResult()
+		if err != nil {
+			t.Fatalf("test %v: failed to retrieve trace result: %v", tc.name, err)
+		}
+		if string(res) != tc.want {
+			t.Fatalf("test %v: trace mismatch\n have: %v\n want: %v\n", tc.name, string(res), tc.want)
+		}
 	}
 }
@@ -107,7 +107,7 @@ func flatCallTracerTestRunner(tracerName string, filename string, dirPath string
 	if err != nil {
 		return fmt.Errorf("failed to create call tracer: %v", err)
 	}
-	evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
+	evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Tracer: tracer})

 	msg, err := core.TransactionToMessage(tx, signer, nil)
 	if err != nil {
@@ -124,8 +124,8 @@ func flatCallTracerTestRunner(tracerName string, filename string, dirPath string
 	if err != nil {
 		return fmt.Errorf("failed to retrieve trace result: %v", err)
 	}
-	ret := new([]flatCallTrace)
-	if err := json.Unmarshal(res, ret); err != nil {
+	ret := make([]flatCallTrace, 0)
+	if err := json.Unmarshal(res, &ret); err != nil {
 		return fmt.Errorf("failed to unmarshal trace result: %v", err)
 	}
 	if !jsonEqualFlat(ret, test.Result) {
@@ -114,7 +114,7 @@ func testPrestateDiffTracer(tracerName string, dirPath string, t *testing.T) {
 			if err != nil {
 				t.Fatalf("failed to create call tracer: %v", err)
 			}
-			evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
+			evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Tracer: tracer})
 			msg, err := core.TransactionToMessage(tx, signer, nil)
 			if err != nil {
 				t.Fatalf("failed to prepare transaction for tracing: %v", err)
@@ -47,7 +47,7 @@
  "input": "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",
  "result": {
    "from": "0x13e4acefe6a6700604929946e70e6443e4e73447",
-    "gas": "0x5e106",
+    "gas": "0x897be",
    "gasUsed": "0x897be",
    "input": "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",
    "output": "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",
@@ -399,7 +399,7 @@
      }
    ],
    "from": "0x70c9217d814985faef62b124420f8dfbddd96433",
-    "gas": "0x37b38",
+    "gas": "0x3d090",
    "gasUsed": "0x1810b",
    "input": "0x51a34eb80000000000000000000000000000000000000000000000280faf689c35ac0000",
    "to": "0xc212e03b9e060e36facad5fd8f4435412ca22e6b",
@@ -87,7 +87,7 @@
      }
    ],
    "from": "0xa529806c67cc6486d4d62024471772f47f6fd672",
-    "gas": "0x2d6e28",
+    "gas": "0x2dc6c0",
    "gasUsed": "0xbd55",
    "input": "0x7065cb480000000000000000000000001523e55a1ca4efbae03355775ae89f8d7699ad9e",
    "to": "0x269296dddce321a6bcbaa2f0181127593d732cba",
@@ -67,7 +67,7 @@
    ],
    "error": "invalid jump destination",
    "from": "0xe4a13bc304682a903e9472f469c33801dd18d9e8",
-    "gas": "0x435c8",
+    "gas": "0x493e0",
    "gasUsed": "0x493e0",
    "input": "0x3b91f506000000000000000000000000a14bdd7e5666d784dcce98ad24d383a6b1cd4182000000000000000000000000e4a13bc304682a903e9472f469c33801dd18d9e8",
    "to": "0x1d3ddf7caf024f253487e18bc4a15b1a360c170a",
@@ -54,7 +54,7 @@
    "from": "0x66fdfd05e46126a07465ad24e40cc0597bc1ef31",
    "to": "0x6c06b16512b332e6cd8293a2974872674716ce18",
    "value": "0x0",
-    "gas": "0x1a466",
+    "gas": "0x1f97e",
    "gasUsed": "0x72de",
    "input": "0x2e1a7d4d00000000000000000000000000000000000000000000000014d1120d7b160000"
  }
@@ -50,7 +50,7 @@
  "input": "0x02f9029d82053980849502f90085010c388d00832dc6c08080b90241608060405234801561001057600080fd5b50600060405161001f906100a2565b604051809103906000f08015801561003b573d6000803e3d6000fd5b5090508073ffffffffffffffffffffffffffffffffffffffff1663c04062266040518163ffffffff1660e01b815260040160006040518083038186803b15801561008457600080fd5b505afa158015610098573d6000803e3d6000fd5b50505050506100af565b610145806100fc83390190565b603f806100bd6000396000f3fe6080604052600080fdfea264697066735822122077f7dbd3450d6e817079cf3fe27107de5768bb3163a402b94e2206b468eb025664736f6c63430008070033608060405234801561001057600080fd5b50610125806100206000396000f3fe6080604052348015600f57600080fd5b506004361060285760003560e01c8063c040622614602d575b600080fd5b60336035565b005b60036002116076576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401606d906097565b60405180910390fd5b565b6000608360128360b5565b9150608c8260c6565b602082019050919050565b6000602082019050818103600083015260ae816078565b9050919050565b600082825260208201905092915050565b7f546869732063616c6c6564206661696c6564000000000000000000000000000060008201525056fea264697066735822122033f8d92e29d467e5ea08d0024eab0b36b86b8cdb3542c6e89dbaabeb8ffaa42064736f6c63430008070033c001a07566181071cabaf58b70fc41557eb813bfc7a24f5c58554e7fed0bf7c031f169a0420af50b5fe791a4d839e181a676db5250b415dfb35cb85d544db7a1475ae2cc",
  "result": {
    "from": "0x3623191d4ccfbbdf09e8ebf6382a1f8257417bc1",
-    "gas": "0x2cd774",
+    "gas": "0x2dc6c0",
    "gasUsed": "0x25590",
    "input": "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",
    "output": "0x08c379a000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000012546869732063616c6c6564206661696c65640000000000000000000000000000",
@@ -71,7 +71,7 @@
    ],
    "error": "execution reverted",
    "from": "0xd4fcab9f0a6dc0493af47c864f6f17a8a5e2e826",
-    "gas": "0x78d9e",
+    "gas": "0x7dfa6",
    "gasUsed": "0x7c1c8",
    "input": "0x",
    "to": "0x33056b5dcac09a9b4becad0e1dcf92c19bd0af76",
@@ -50,7 +50,7 @@
  "result": {
    "error": "out of gas",
    "from": "0x94194bc2aaf494501d7880b61274a169f6502a54",
-    "gas": "0x7045",
+    "gas": "0xca1d",
    "gasUsed": "0xca1d",
    "input": "0xa9059cbb000000000000000000000000e77b1ac803616503510bed0086e3a7be2627a69900000000000000000000000000000000000000000000000000000009502f9000",
    "to": "0x43064693d3d38ad6a7cb579e0d6d9718c8aa6b62",
@@ -48,7 +48,7 @@
  "result": {
    "error": "execution reverted",
    "from": "0x0f6cef2b7fbb504782e35aa82a2207e816a2b7a9",
-    "gas": "0x2d55e8",
+    "gas": "0x2dc6c0",
    "gasUsed": "0x719b",
    "input": "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",
    "to": "0xabbcd5b340c80b5f1c0545c04c987b87310296ae",
@@ -27,7 +27,7 @@
      "byzantiumBlock": 0,
      "constantinopleBlock": 0,
      "petersburgBlock": 0,
-      "IstanbulBlock":1561651,
+      "IstanbulBlock":  1561651,
      "chainId": 5,
      "daoForkSupport": true,
      "eip150Block": 0,
@@ -53,7 +53,7 @@
  "result": {
    "error": "execution reverted",
    "from": "0xf7579c3d8a669c89d5ed246a22eb6db8f6fedbf1",
-    "gas": "0x2d7308",
+    "gas": "0x2dc6c0",
    "gasUsed": "0x5940",
    "input": "0x5c19a95c000000000000000000000000f7579c3d8a669c89d5ed246a22eb6db8f6fedbf1",
    "to": "0xf58833cf0c791881b494eb79d461e08a1f043f52",
@@ -64,7 +64,7 @@
      }
    ],
    "from": "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb",
-    "gas": "0x10738",
+    "gas": "0x15f90",
    "gasUsed": "0x6fcb",
    "input": "0x63e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
    "to": "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe",
@@ -69,7 +69,7 @@
      }
    ],
    "from": "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb",
-    "gas": "0x10738",
+    "gas": "0x15f90",
    "gasUsed": "0x9751",
    "input": "0x63e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
    "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
@@ -61,7 +61,7 @@
  },
  "result": {
    "from": "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb",
-    "gas": "0x10738",
+    "gas": "0x15f90",
    "gasUsed": "0x9751",
    "input": "0x63e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
    "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
@@ -52,7 +52,7 @@
  "result": {
    "error": "invalid jump destination",
    "from": "0x70c9217d814985faef62b124420f8dfbddd96433",
-    "gas": "0x37b38",
+    "gas": "0x3d090",
    "gasUsed": "0x3d090",
    "input": "0x51a34eb8000000000000000000000000000000000000000000000027fad02094277c0000",
    "to": "0xc212e03b9e060e36facad5fd8f4435412ca22e6b",
@@ -46,7 +46,7 @@
    {
      "action": {
        "from": "0xf8bda96b67036ee48107f2a0695ea673479dda56",
-        "gas": "0x22410c",
+        "gas": "0x231860",
        "init": "0x5b620186a05a131560135760016020526000565b600080601f600039601f565b6000f3",
        "value": "0x0"
      },
@@ -54,7 +54,7 @@
      "action": {
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
        "value": "0x0",
-        "gas": "0xcf08",
+        "gas": "0x19f78",
        "init": "0x60206000600060006013600462030d40f260025560005160005500"
      },
      "result": {
@@ -54,7 +54,7 @@
      "action": {
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
        "value": "0x0",
-        "gas": "0xcf08",
+        "gas": "0x1a758",
        "init": "0x7f18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c600052601c6020527f73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f6040527feeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549606052602060806080600060006001610bb7f260025560a060020a60805106600055600054321460015500"
      },
      "result": {
@@ -54,7 +54,7 @@
      "action": {
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
        "value": "0x0",
-        "gas": "0xcf08",
+        "gas": "0x1a034",
        "init": "0x36600060003760406103e8366000600060095af26001556103e8516002556104085160035500"
      },
      "error": "out of gas",
@@ -49,7 +49,7 @@
    {
      "action": {
        "from": "0x13e4acefe6a6700604929946e70e6443e4e73447",
-        "gas": "0x5e106",
+        "gas": "0x897be",
        "init": "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",
        "value": "0x0"
      },
@@ -113,7 +113,7 @@
      "action": {
        "callType": "call",
        "from": "0x70c9217d814985faef62b124420f8dfbddd96433",
-        "gas": "0x37b38",
+        "gas": "0x3d090",
        "input": "0x51a34eb80000000000000000000000000000000000000000000000280faf689c35ac0000",
        "to": "0xc212e03b9e060e36facad5fd8f4435412ca22e6b",
        "value": "0x0"
@@ -66,7 +66,7 @@
      "action": {
        "callType": "call",
        "from": "0xa529806c67cc6486d4d62024471772f47f6fd672",
-        "gas": "0x2d6e28",
+        "gas": "0x2dc6c0",
        "input": "0x7065cb480000000000000000000000001523e55a1ca4efbae03355775ae89f8d7699ad9e",
        "to": "0x269296dddce321a6bcbaa2f0181127593d732cba",
        "value": "0x0"
@@ -59,7 +59,7 @@
      "action": {
        "callType": "call",
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
-        "gas": "0x10b68",
+        "gas": "0x15f90",
        "input": "0x4e45375a47413941",
        "to": "0x91765918420bcb5ad22ee0997abed04056705798",
        "value": "0x8ac7230489e80000"
@@ -54,7 +54,7 @@
      "action": {
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
        "value": "0x0",
-        "gas": "0xcf08",
+        "gas": "0x1a9c8",
        "init": "0x601b565b6000555b005b630badf00d6003565b63c001f00d6003565b7319e7e376e7c213b7e7e7e46cc70a5dd086daff2a7f22ae6da6b482f9b1b19b0b897c3fd43884180a1c5ee361e1107a1bc635649dda600052601b603f537f16433dce375ce6dc8151d3f0a22728bc4a1d9fd6ed39dfd18b4609331937367f6040527f306964c0cf5d74f04129fdc60b54d35b596dde1bf89ad92cb4123318f4c0e40060605260206080607f60006000600161fffff21560075760805114601257600956"
      },
      "result": {
@@ -83,7 +83,7 @@
        "balance": "0x0",
        "callType": "call",
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
-        "gas": "0x119d28",
+        "gas": "0x124f80",
        "input": "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",
        "refundAddress": "0x0000000000000000000000000000000000000000",
        "to": "0x6cc68eb482a757c690dd151d2bd5e774ada38bdc",
@@ -58,7 +58,7 @@
      "action": {
        "callType": "call",
        "from": "0xe4a13bc304682a903e9472f469c33801dd18d9e8",
-        "gas": "0x435c8",
+        "gas": "0x493e0",
        "input": "0x3b91f506000000000000000000000000a14bdd7e5666d784dcce98ad24d383a6b1cd4182000000000000000000000000e4a13bc304682a903e9472f469c33801dd18d9e8",
        "to": "0x1d3ddf7caf024f253487e18bc4a15b1a360c170a",
        "value": "0x0"
@@ -54,7 +54,7 @@
      "action": {
        "callType": "call",
        "from": "0x66fdfd05e46126a07465ad24e40cc0597bc1ef31",
-        "gas": "0x1a466",
+        "gas": "0x1f97e",
        "input": "0x2e1a7d4d00000000000000000000000000000000000000000000000014d1120d7b160000",
        "to": "0x6c06b16512b332e6cd8293a2974872674716ce18",
        "value": "0x0"
@@ -80,7 +80,7 @@
        "balance": "0x0",
        "callType": "call",
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
-        "gas": "0x119d28",
+        "gas": "0x124f80",
        "input": "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",
        "refundAddress": "0x0000000000000000000000000000000000000000",
        "to": "0x6cc68eb482a757c690dd151d2bd5e774ada38bdc",
@@ -61,7 +61,7 @@
      "action": {
        "callType": "call",
        "from": "0xd4fcab9f0a6dc0493af47c864f6f17a8a5e2e826",
-        "gas": "0x78d9e",
+        "gas": "0x7dfa6",
        "input": "0x",
        "to": "0x33056b5dcac09a9b4becad0e1dcf92c19bd0af76",
        "value": "0xe92596fd6290000"
@@ -54,7 +54,7 @@
      "action": {
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
        "value": "0x0",
-        "gas": "0x3951c",
+        "gas": "0x53e90",
        "init": "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"
      },
      "result": {
@@ -54,7 +54,7 @@
      "action": {
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
        "value": "0x0",
-        "gas": "0xcf6c",
+        "gas": "0x19ed8",
        "init": "0x6000600060006000f500"
      },
      "result": {
@@ -54,7 +54,7 @@
      "action": {
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
        "value": "0x0",
-        "gas": "0xcf08",
+        "gas": "0x19ee4",
        "init": "0x5a600055600060006000f0505a60015500"
      },
      "error": "out of gas",
@@ -61,7 +61,7 @@
        "from": "0xa3b31cbd5168d3c99756660d4b7625d679e12573",
        "to": "0x76554b33410b6d90b7dc889bfed0451ad195f27e",
        "value": "0x0",
-        "gas": "0x2e138",
+        "gas": "0x33450",
        "input": "0x391521f4",
        "callType": "call"
      },
@@ -52,7 +52,7 @@
      "action": {
        "callType": "call",
        "from": "0x94194bc2aaf494501d7880b61274a169f6502a54",
-        "gas": "0x7045",
+        "gas": "0xca1d",
        "input": "0xa9059cbb000000000000000000000000e77b1ac803616503510bed0086e3a7be2627a69900000000000000000000000000000000000000000000000000000009502f9000",
        "to": "0x43064693d3d38ad6a7cb579e0d6d9718c8aa6b62",
        "value": "0x0"
@@ -55,7 +55,7 @@
      "action": {
        "callType": "call",
        "from": "0x94194bc2aaf494501d7880b61274a169f6502a54",
-        "gas": "0x7045",
+        "gas": "0xca1d",
        "input": "0xa9059cbb000000000000000000000000e77b1ac803616503510bed0086e3a7be2627a69900000000000000000000000000000000000000000000000000000009502f9000",
        "to": "0x43064693d3d38ad6a7cb579e0d6d9718c8aa6b62",
        "value": "0x0"
@@ -68,7 +68,7 @@
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
        "to": "0x531f76bad925f6a925474996c7d738c1008045f6",
        "value": "0xde0b6b3a7640000",
-        "gas": "0x3b920",
+        "gas": "0x40b28",
        "input": "0x",
        "callType": "call"
      },
@@ -50,7 +50,7 @@
      "action": {
        "callType": "call",
        "from": "0x0f6cef2b7fbb504782e35aa82a2207e816a2b7a9",
-        "gas": "0x2d55e8",
+        "gas": "0x2dc6c0",
        "input": "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",
        "to": "0xabbcd5b340c80b5f1c0545c04c987b87310296ae",
        "value": "0x0"
@@ -55,7 +55,7 @@
      "action": {
        "callType": "call",
        "from": "0xf7579c3d8a669c89d5ed246a22eb6db8f6fedbf1",
-        "gas": "0x2d7308",
+        "gas": "0x2dc6c0",
        "input": "0x5c19a95c000000000000000000000000f7579c3d8a669c89d5ed246a22eb6db8f6fedbf1",
        "to": "0xf58833cf0c791881b494eb79d461e08a1f043f52",
        "value": "0x0"
@@ -54,7 +54,7 @@
      "action": {
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
        "value": "0x0",
-        "gas": "0xcf08",
+        "gas": "0x19ecc",
        "init": "0x605a600053600160006001f0ff00"
      },
      "result": {
@@ -61,7 +61,7 @@
      "action": {
        "callType": "call",
        "from": "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb",
-        "gas": "0x10738",
+        "gas": "0x15f90",
        "input": "0x63e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
        "to": "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe",
        "value": "0x0"
@@ -54,7 +54,7 @@
      "action": {
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
        "value": "0x0",
-        "gas": "0xd550",
+        "gas": "0x1aab0",
        "init": "0x7f000000000000000000000000945304eb96065b2a98b57a48a06ae28d285a71b57f000000000000000000000000000000000000000000000000000000000000c3507f000000000000000000000000945304eb96065b2a98b57a48a06ae28d285a71b5547f000000000000000000000000000000000000000000000000000000000000c3507f000000000000000000000000000000000000000000000000000000000000c3507f00000000000000000000000000000000000000000000000000000000000000007f000000000000000000000000000000000000000000000000000000000000000037f055"
      },
      "error": "out of gas",
@@ -65,7 +65,7 @@
        "balance": "0x0",
        "callType": "call",
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
-        "gas": "0x4053e",
+        "gas": "0x48196",
        "input": "0x200b1e64000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000001b9af799918107e9a339eba0584b8b60b35aae6f087c74f6bfc00c9301849b204d094ed65e09c76c2597f5516f9440aad2921e50dde096e7caaa65a536d4d9265e00000000000000000000000000000000000000000000000000000000000000504269747669657720697320616e20616d617a696e6720776562736974652e20596f752073686f756c6420646566696e6974656c792061646420796f75722070726f6475637420746f2069742e20e282bf00000000000000000000000000000000",
        "refundAddress": "0x0000000000000000000000000000000000000000",
        "to": "0x8521f13dd5e4bc3dab3cf0f01a195a5af899e851",
@@ -55,7 +55,7 @@
      "action": {
        "callType": "call",
        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
-        "gas": "0x445708",
+        "gas": "0x44aa20",
        "input": "0x41c0e1b5",
        "to": "0x8ee79c5b3f6e1d214d2c4fcf7ea4092a32e26e91",
        "value": "0x0"
@@ -54,7 +54,7 @@
      "action": {
        "callType": "call",
        "from": "0x70c9217d814985faef62b124420f8dfbddd96433",
-        "gas": "0x37b38",
+        "gas": "0x3d090",
        "input": "0x51a34eb8000000000000000000000000000000000000000000000027fad02094277c0000",
        "to": "0xc212e03b9e060e36facad5fd8f4435412ca22e6b",
        "value": "0x0"
@@ -47,7 +47,7 @@
  "input": "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",
  "result": {
    "from": "0x13e4acefe6a6700604929946e70e6443e4e73447",
-    "gas": "0x5e106",
+    "gas": "0x897be",
    "gasUsed": "0x897be",
    "input": "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",
    "output": "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",
@@ -404,7 +404,7 @@
      }
    ],
    "from": "0x70c9217d814985faef62b124420f8dfbddd96433",
-    "gas": "0x37b38",
+    "gas": "0x3d090",
    "gasUsed": "0x1810b",
    "input": "0x51a34eb80000000000000000000000000000000000000000000000280faf689c35ac0000",
    "output": "0x",
@@ -86,7 +86,7 @@
      }
    ],
    "from": "0xa529806c67cc6486d4d62024471772f47f6fd672",
-    "gas": "0x2d6e28",
+    "gas": "0x2dc6c0",
    "gasUsed": "0xbd55",
    "input": "0x7065cb480000000000000000000000001523e55a1ca4efbae03355775ae89f8d7699ad9e",
    "output": "0x",
@@ -67,7 +67,7 @@
    ],
    "error": "invalid jump destination",
    "from": "0xe4a13bc304682a903e9472f469c33801dd18d9e8",
-    "gas": "0x435c8",
+    "gas": "0x493e0",
    "gasUsed": "0x493e0",
    "input": "0x3b91f506000000000000000000000000a14bdd7e5666d784dcce98ad24d383a6b1cd4182000000000000000000000000e4a13bc304682a903e9472f469c33801dd18d9e8",
    "to": "0x1d3ddf7caf024f253487e18bc4a15b1a360c170a",
@@ -54,7 +54,7 @@
    "from": "0x66fdfd05e46126a07465ad24e40cc0597bc1ef31",
    "to": "0x6c06b16512b332e6cd8293a2974872674716ce18",
    "value": "0x0",
-    "gas": "0x1a466",
+    "gas": "0x1f97e",
    "gasUsed": "0x72de",
    "input": "0x2e1a7d4d00000000000000000000000000000000000000000000000014d1120d7b160000",
    "output": "0x",
@@ -64,7 +64,7 @@
        "from": "0x6c06b16512b332e6cd8293a2974872674716ce18",
        "to": "0x66fdfd05e46126a07465ad24e40cc0597bc1ef31",
        "value": "0x14d1120d7b160000",
-        "error":"internal failure",
+        "error":  "internal failure",
        "input": "0x"
      }
    ]
@@ -71,7 +71,7 @@
    ],
    "error": "execution reverted",
    "from": "0xd4fcab9f0a6dc0493af47c864f6f17a8a5e2e826",
-    "gas": "0x78d9e",
+    "gas": "0x7dfa6",
    "gasUsed": "0x7c1c8",
    "input": "0x",
    "to": "0x33056b5dcac09a9b4becad0e1dcf92c19bd0af76",
@@ -50,7 +50,7 @@
  "result": {
    "error": "out of gas",
    "from": "0x94194bc2aaf494501d7880b61274a169f6502a54",
-    "gas": "0x7045",
+    "gas": "0xca1d",
    "gasUsed": "0xca1d",
    "input": "0xa9059cbb000000000000000000000000e77b1ac803616503510bed0086e3a7be2627a69900000000000000000000000000000000000000000000000000000009502f9000",
    "to": "0x43064693d3d38ad6a7cb579e0d6d9718c8aa6b62",
@@ -48,7 +48,7 @@
  "result": {
    "error": "execution reverted",
    "from": "0x0f6cef2b7fbb504782e35aa82a2207e816a2b7a9",
-    "gas": "0x2d55e8",
+    "gas": "0x2dc6c0",
    "gasUsed": "0x719b",
    "input": "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",
    "to": "0xabbcd5b340c80b5f1c0545c04c987b87310296ae",
@@ -53,7 +53,7 @@
  "result": {
    "error": "execution reverted",
    "from": "0xf7579c3d8a669c89d5ed246a22eb6db8f6fedbf1",
-    "gas": "0x2d7308",
+    "gas": "0x2dc6c0",
    "gasUsed": "0x5940",
    "input": "0x5c19a95c000000000000000000000000f7579c3d8a669c89d5ed246a22eb6db8f6fedbf1",
    "to": "0xf58833cf0c791881b494eb79d461e08a1f043f52",
@@ -62,7 +62,7 @@
      }
    ],
    "from": "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb",
-    "gas": "0x10738",
+    "gas": "0x15f90",
    "gasUsed": "0x6fcb",
    "input": "0x63e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
    "output": "0x",
@@ -67,7 +67,7 @@
      }
    ],
    "from": "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb",
-    "gas": "0x10738",
+    "gas": "0x15f90",
    "gasUsed": "0x9751",
    "input": "0x63e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
    "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
@@ -52,7 +52,7 @@
  "result": {
    "error": "invalid jump destination",
    "from": "0x70c9217d814985faef62b124420f8dfbddd96433",
-    "gas": "0x37b38",
+    "gas": "0x3d090",
    "gasUsed": "0x3d090",
    "input": "0x51a34eb8000000000000000000000000000000000000000000000027fad02094277c0000",
    "to": "0xc212e03b9e060e36facad5fd8f4435412ca22e6b",
@@ -77,7 +77,7 @@
  },
  "result": {
    "from": "0x4f5777744b500616697cb655dcb02ee6cd51deb5",
-    "gas": "0x2dced",
+    "gas": "0x33085",
    "gasUsed": "0x1a9e5",
    "to": "0x200edd17f30485a8735878661960cd7a9a95733f",
    "input": "0xba51a6df0000000000000000000000000000000000000000000000000000000000000000",
@@ -134,7 +134,7 @@
  },
  "result": {
    "from": "0x3de712784baf97260455ae25fb74f574ec9c1add",
-    "gas": "0x7e2c0",
+    "gas": "0x84398",
    "gasUsed": "0x27ec3",
    "to": "0x6ca7f214ab2ddbb9a8e1a1e2c8550e3164e9dba5",
    "input": "0xbbd4f854e9efd3ab89acad6a3edf9828c3b00ed1c4a74e974d05d32d3b2fb15aa16fc3770000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000de0b6b3a7640000000000000000000000000000000000000000000000000000080d29fa5cccfadac",
@@ -299,7 +299,7 @@
  },
  "result": {
    "from": "0xbe3ae5cb97c253dda67181c6e34e43f5c275e08b",
-    "gas": "0x3514c8",
+    "gas": "0x3567e0",
    "gasUsed": "0x26e1ef",
    "to": "0x03e3d4561a8f8e975fdcd798d32857a20cf25e7e",
    "input": "0xbe9a6555",
@@ -102,7 +102,7 @@
  },
  "result": {
    "from": "0x6412becf35cc7e2a9e7e47966e443f295e1e4f4a",
-    "gas": "0x2bb38",
+    "gas": "0x30d40",
    "gasUsed": "0x249eb",
    "to": "0x50739060a2c32dc076e507ae1a893aab28ecfe68",
    "input": "0x",
@@ -63,7 +63,7 @@
  },
  "result": {
    "from": "0xd1220a0cf47c7b9be7a2e6ba89f429762e7b9adb",
-    "gas": "0x1f36d",
+    "gas": "0x24d45",
    "gasUsed": "0xc6a5",
    "to": "0xf4eced2f682ce333f96f2d8966c613ded8fc95dd",
    "input": "0xa9059cbb000000000000000000000000dbf03b407c01e7cd3cbea99509d93f8dddc8c6fb0000000000000000000000000000000000000000000000000000000000989680",
@@ -137,7 +137,7 @@
  },
  "result": {
    "from": "0xe6002189a74b43e6868b20c1311bc108e38aac57",
-    "gas": "0xa59c8",
+    "gas": "0xaae60",
    "gasUsed": "0xaae60",
    "to": "0x630a0cd35d5bd57e61410fda76fea850225cda18",
    "input": "0xe1fa763800000000000000000000000000000000000000000000000000000000000001100000000000000000000000000000000000000000000000000000000000000000",
@@ -75,7 +75,7 @@
  },
  "result": {
    "from": "0x01115b41bd2731353dd3e6abf44818fdc035aaf1",
-    "gas": "0x28e28",
+    "gas": "0x30d40",
    "gasUsed": "0x288c9",
    "to": "0xcf1476387d780169410d4e936d75a206fda2a68c",
    "input": "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",
@@ -78,7 +78,7 @@
  },
  "result": {
    "from": "0x4f5777744b500616697cb655dcb02ee6cd51deb5",
-    "gas": "0x2dced",
+    "gas": "0x33085",
    "gasUsed": "0x1a9e5",
    "to": "0x200edd17f30485a8735878661960cd7a9a95733f",
    "input": "0xba51a6df0000000000000000000000000000000000000000000000000000000000000000",
@@ -32,10 +32,6 @@ import (
 	jsassets "github.com/ethereum/go-ethereum/eth/tracers/js/internal/tracers"
 )

-const (
-	memoryPadLimit = 1024 * 1024
-)
-
 var assetTracers = make(map[string]string)

 // init retrieves the JavaScript transaction tracers included in go-ethereum.
@@ -239,7 +235,7 @@ func (t *jsTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Addr
 	t.ctx["from"] = t.vm.ToValue(from.Bytes())
 	t.ctx["to"] = t.vm.ToValue(to.Bytes())
 	t.ctx["input"] = t.vm.ToValue(input)
-	t.ctx["gas"] = t.vm.ToValue(gas)
+	t.ctx["gas"] = t.vm.ToValue(t.gasLimit)
 	t.ctx["gasPrice"] = t.vm.ToValue(env.TxContext.GasPrice)
 	valueBig, err := t.toBig(t.vm, value.String())
 	if err != nil {
@@ -571,14 +567,10 @@ func (mo *memoryObj) slice(begin, end int64) ([]byte, error) {
 	if end < begin || begin < 0 {
 		return nil, fmt.Errorf("tracer accessed out of bound memory: offset %d, end %d", begin, end)
 	}
-	mlen := mo.memory.Len()
-	if end-int64(mlen) > memoryPadLimit {
-		return nil, fmt.Errorf("tracer reached limit for padding memory slice: end %d, memorySize %d", end, mlen)
+	slice, err := tracers.GetMemoryCopyPadded(mo.memory, begin, end-begin)
+	if err != nil {
+		return nil, err
 	}
-	slice := make([]byte, end-begin)
-	end = min(end, int64(mo.memory.Len()))
-	ptr := mo.memory.GetPtr(begin, end-begin)
-	copy(slice[:], ptr[:])
 	return slice, nil
 }

@@ -959,10 +951,3 @@ func (l *steplog) setupObject() *goja.Object {
 	o.Set("contract", l.contract.setupObject())
 	return o
 }
-
-func min(a, b int64) int64 {
-	if a < b {
-		return a
-	}
-	return b
-}
@@ -62,7 +62,7 @@ func testCtx() *vmContext {

 func runTrace(tracer tracers.Tracer, vmctx *vmContext, chaincfg *params.ChainConfig, contractCode []byte) (json.RawMessage, error) {
 	var (
-		env             = vm.NewEVM(vmctx.blockCtx, vmctx.txCtx, &dummyStatedb{}, chaincfg, vm.Config{Debug: true, Tracer: tracer})
+		env             = vm.NewEVM(vmctx.blockCtx, vmctx.txCtx, &dummyStatedb{}, chaincfg, vm.Config{Tracer: tracer})
 		gasLimit uint64 = 31000
 		startGas uint64 = 10000
 		value           = big.NewInt(0)
@@ -150,12 +150,12 @@ func TestTracer(t *testing.T) {
 		}, {
 			code:     "{res: [], step: function(log) { if (log.op.toString() === 'STOP') { this.res.push(log.memory.slice(5, 1025 * 1024)) } }, fault: function() {}, result: function() { return this.res }}",
 			want:     "",
-			fail:     "tracer reached limit for padding memory slice: end 1049600, memorySize 32 at step (<eval>:1:83(20))    in server-side tracer function 'step'",
+			fail:     "reached limit for padding memory slice: 1049568 at step (<eval>:1:83(20))    in server-side tracer function 'step'",
 			contract: []byte{byte(vm.PUSH1), byte(0xff), byte(vm.PUSH1), byte(0x00), byte(vm.MSTORE8), byte(vm.STOP)},
 		},
 	} {
 		if have, err := execTracer(tt.code, tt.contract); tt.want != string(have) || tt.fail != err {
-			t.Errorf("testcase %d: expected return value to be '%s' got '%s', error to be '%s' got '%s'\n\tcode: %v", i, tt.want, string(have), tt.fail, err, tt.code)
+			t.Errorf("testcase %d: expected return value to be \n'%s'\n\tgot\n'%s'\nerror to be\n'%s'\n\tgot\n'%s'\n\tcode: %v", i, tt.want, string(have), tt.fail, err, tt.code)
 		}
 	}
 }
@@ -180,7 +180,7 @@ func TestHaltBetweenSteps(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	env := vm.NewEVM(vm.BlockContext{BlockNumber: big.NewInt(1)}, vm.TxContext{GasPrice: big.NewInt(1)}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: tracer})
+	env := vm.NewEVM(vm.BlockContext{BlockNumber: big.NewInt(1)}, vm.TxContext{GasPrice: big.NewInt(1)}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Tracer: tracer})
 	scope := &vm.ScopeContext{
 		Contract: vm.NewContract(&account{}, &account{}, big.NewInt(0), 0),
 	}
@@ -204,7 +204,7 @@ func TestNoStepExec(t *testing.T) {
 		if err != nil {
 			t.Fatal(err)
 		}
-		env := vm.NewEVM(vm.BlockContext{BlockNumber: big.NewInt(1)}, vm.TxContext{GasPrice: big.NewInt(100)}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: tracer})
+		env := vm.NewEVM(vm.BlockContext{BlockNumber: big.NewInt(1)}, vm.TxContext{GasPrice: big.NewInt(100)}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Tracer: tracer})
 		tracer.CaptureStart(env, common.Address{}, common.Address{}, false, []byte{}, 1000, big.NewInt(0))
 		tracer.CaptureEnd(nil, 0, nil)
 		ret, err := tracer.GetResult()
@@ -229,7 +229,7 @@ func TestNoStepExec(t *testing.T) {
 }

 func TestIsPrecompile(t *testing.T) {
-	chaincfg := &params.ChainConfig{ChainID: big.NewInt(1), HomesteadBlock: big.NewInt(0), DAOForkBlock: nil, DAOForkSupport: false, EIP150Block: big.NewInt(0), EIP150Hash: common.Hash{}, EIP155Block: big.NewInt(0), EIP158Block: big.NewInt(0), ByzantiumBlock: big.NewInt(100), ConstantinopleBlock: big.NewInt(0), PetersburgBlock: big.NewInt(0), IstanbulBlock: big.NewInt(200), MuirGlacierBlock: big.NewInt(0), BerlinBlock: big.NewInt(300), LondonBlock: big.NewInt(0), TerminalTotalDifficulty: nil, Ethash: new(params.EthashConfig), Clique: nil}
+	chaincfg := &params.ChainConfig{ChainID: big.NewInt(1), HomesteadBlock: big.NewInt(0), DAOForkBlock: nil, DAOForkSupport: false, EIP150Block: big.NewInt(0), EIP155Block: big.NewInt(0), EIP158Block: big.NewInt(0), ByzantiumBlock: big.NewInt(100), ConstantinopleBlock: big.NewInt(0), PetersburgBlock: big.NewInt(0), IstanbulBlock: big.NewInt(200), MuirGlacierBlock: big.NewInt(0), BerlinBlock: big.NewInt(300), LondonBlock: big.NewInt(0), TerminalTotalDifficulty: nil, Ethash: new(params.EthashConfig), Clique: nil}
 	chaincfg.ByzantiumBlock = big.NewInt(100)
 	chaincfg.IstanbulBlock = big.NewInt(200)
 	chaincfg.BerlinBlock = big.NewInt(300)
@@ -116,8 +116,8 @@ type StructLogger struct {
 	gasLimit uint64
 	usedGas  uint64

-	interrupt uint32 // Atomic flag to signal execution interruption
-	reason    error  // Textual reason for the interruption
+	interrupt atomic.Bool // Atomic flag to signal execution interruption
+	reason    error       // Textual reason for the interruption
 }

 // NewStructLogger returns a new logger
@@ -149,7 +149,7 @@ func (l *StructLogger) CaptureStart(env *vm.EVM, from common.Address, to common.
 // CaptureState also tracks SLOAD/SSTORE ops to track storage change.
 func (l *StructLogger) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
 	// If tracing was interrupted, set the error and stop
-	if atomic.LoadUint32(&l.interrupt) > 0 {
+	if l.interrupt.Load() {
 		return
 	}
 	// check if already accumulated the specified number of logs
@@ -258,7 +258,7 @@ func (l *StructLogger) GetResult() (json.RawMessage, error) {
 // Stop terminates execution of the tracer at the first opportune moment.
 func (l *StructLogger) Stop(err error) {
 	l.reason = err
-	atomic.StoreUint32(&l.interrupt, 1)
+	l.interrupt.Store(true)
 }

 func (l *StructLogger) CaptureTxStart(gasLimit uint64) {
@@ -55,7 +55,7 @@ func (*dummyStatedb) SetState(_ common.Address, _ common.Hash, _ common.Hash) {}
 func TestStoreCapture(t *testing.T) {
 	var (
 		logger   = NewStructLogger(nil)
-		env      = vm.NewEVM(vm.BlockContext{}, vm.TxContext{}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: logger})
+		env      = vm.NewEVM(vm.BlockContext{}, vm.TxContext{}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Tracer: logger})
 		contract = vm.NewContract(&dummyContractRef{}, &dummyContractRef{}, new(big.Int), 100000)
 	)
 	contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x0, byte(vm.SSTORE)}
@@ -48,7 +48,7 @@ func init() {
 type fourByteTracer struct {
 	noopTracer
 	ids               map[string]int   // ids aggregates the 4byte ids found
-	interrupt         uint32           // Atomic flag to signal execution interruption
+	interrupt         atomic.Bool      // Atomic flag to signal execution interruption
 	reason            error            // Textual reason for the interruption
 	activePrecompiles []common.Address // Updated on CaptureStart based on given rules
 }
@@ -93,7 +93,7 @@ func (t *fourByteTracer) CaptureStart(env *vm.EVM, from common.Address, to commo
 // CaptureEnter is called when EVM enters a new scope (via call, create or selfdestruct).
 func (t *fourByteTracer) CaptureEnter(op vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
 	// Skip if tracing was interrupted
-	if atomic.LoadUint32(&t.interrupt) > 0 {
+	if t.interrupt.Load() {
 		return
 	}
 	if len(input) < 4 {
@@ -124,7 +124,7 @@ func (t *fourByteTracer) GetResult() (json.RawMessage, error) {
 // Stop terminates execution of the tracer at the first opportune moment.
 func (t *fourByteTracer) Stop(err error) {
 	t.reason = err
-	atomic.StoreUint32(&t.interrupt, 1)
+	t.interrupt.Store(true)
 }

 func bytesToHex(s []byte) string {
@@ -102,8 +102,8 @@ type callTracer struct {
 	callstack []callFrame
 	config    callTracerConfig
 	gasLimit  uint64
-	interrupt uint32 // Atomic flag to signal execution interruption
-	reason    error  // Textual reason for the interruption
+	interrupt atomic.Bool // Atomic flag to signal execution interruption
+	reason    error       // Textual reason for the interruption
 }

 type callTracerConfig struct {
@@ -133,7 +133,7 @@ func (t *callTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Ad
 		From:  from,
 		To:    &toCopy,
 		Input: common.CopyBytes(input),
-		Gas:   gas,
+		Gas:   t.gasLimit,
 		Value: value,
 	}
 	if create {
@@ -148,6 +148,10 @@ func (t *callTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {

 // CaptureState implements the EVMLogger interface to trace a single step of VM execution.
 func (t *callTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
+	// skip if the previous op caused an error
+	if err != nil {
+		return
+	}
 	// Only logs need to be captured via opcode processing
 	if !t.config.WithLog {
 		return
@@ -157,7 +161,7 @@ func (t *callTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, sco
 		return
 	}
 	// Skip if tracing was interrupted
-	if atomic.LoadUint32(&t.interrupt) > 0 {
+	if t.interrupt.Load() {
 		return
 	}
 	switch op {
@@ -176,7 +180,12 @@ func (t *callTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, sco
 			topics[i] = common.Hash(topic.Bytes32())
 		}

-		data := scope.Memory.GetCopy(int64(mStart.Uint64()), int64(mSize.Uint64()))
+		data, err := tracers.GetMemoryCopyPadded(scope.Memory, int64(mStart.Uint64()), int64(mSize.Uint64()))
+		if err != nil {
+			// mSize was unrealistically large
+			return
+		}
+
 		log := callLog{Address: scope.Contract.Address(), Topics: topics, Data: hexutil.Bytes(data)}
 		t.callstack[len(t.callstack)-1].Logs = append(t.callstack[len(t.callstack)-1].Logs, log)
 	}
@@ -188,7 +197,7 @@ func (t *callTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.
 		return
 	}
 	// Skip if tracing was interrupted
-	if atomic.LoadUint32(&t.interrupt) > 0 {
+	if t.interrupt.Load() {
 		return
 	}

@@ -253,7 +262,7 @@ func (t *callTracer) GetResult() (json.RawMessage, error) {
 // Stop terminates execution of the tracer at the first opportune moment.
 func (t *callTracer) Stop(err error) {
 	t.reason = err
-	atomic.StoreUint32(&t.interrupt, 1)
+	t.interrupt.Store(true)
 }

 // clearFailedLogs clears the logs of a callframe and all its children
@@ -62,8 +62,8 @@ type prestateTracer struct {
 	to        common.Address
 	gasLimit  uint64 // Amount of gas bought for the whole tx
 	config    prestateTracerConfig
-	interrupt uint32 // Atomic flag to signal execution interruption
-	reason    error  // Textual reason for the interruption
+	interrupt atomic.Bool // Atomic flag to signal execution interruption
+	reason    error       // Textual reason for the interruption
 	created   map[common.Address]bool
 	deleted   map[common.Address]bool
 }
@@ -133,6 +133,13 @@ func (t *prestateTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {

 // CaptureState implements the EVMLogger interface to trace a single step of VM execution.
 func (t *prestateTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
+	if err != nil {
+		return
+	}
+	// Skip if tracing was interrupted
+	if t.interrupt.Load() {
+		return
+	}
 	stack := scope.Stack
 	stackData := stack.Data()
 	stackLen := len(stackData)
@@ -256,7 +263,7 @@ func (t *prestateTracer) GetResult() (json.RawMessage, error) {
 // Stop terminates execution of the tracer at the first opportune moment.
 func (t *prestateTracer) Stop(err error) {
 	t.reason = err
-	atomic.StoreUint32(&t.interrupt, 1)
+	t.interrupt.Store(true)
 }

 // lookupAccount fetches details of an account and adds it to the prestate
@@ -19,6 +19,7 @@ package tracers

 import (
 	"encoding/json"
+	"fmt"
 	"math/big"

 	"github.com/ethereum/go-ethereum/common"
@@ -95,3 +96,27 @@ func (d *directory) IsJS(name string) bool {
 	// JS eval will execute JS code
 	return true
 }
+
+const (
+	memoryPadLimit = 1024 * 1024
+)
+
+// GetMemoryCopyPadded returns offset + size as a new slice.
+// It zero-pads the slice if it extends beyond memory bounds.
+func GetMemoryCopyPadded(m *vm.Memory, offset, size int64) ([]byte, error) {
+	if offset < 0 || size < 0 {
+		return nil, fmt.Errorf("offset or size must not be negative")
+	}
+	if int(offset+size) < m.Len() { // slice fully inside memory
+		return m.GetCopy(offset, size), nil
+	}
+	paddingNeeded := int(offset+size) - m.Len()
+	if paddingNeeded > memoryPadLimit {
+		return nil, fmt.Errorf("reached limit for padding memory slice: %d", paddingNeeded)
+	}
+	cpy := make([]byte, size)
+	if overlap := int64(m.Len()) - offset; overlap > 0 {
+		copy(cpy, m.GetPtr(offset, overlap))
+	}
+	return cpy, nil
+}
@@ -87,7 +87,7 @@ func BenchmarkTransactionTrace(b *testing.B) {
 		//EnableMemory: false,
 		//EnableReturnData: false,
 	})
-	evm := vm.NewEVM(context, txContext, statedb, params.AllEthashProtocolChanges, vm.Config{Debug: true, Tracer: tracer})
+	evm := vm.NewEVM(context, txContext, statedb, params.AllEthashProtocolChanges, vm.Config{Tracer: tracer})
 	msg, err := core.TransactionToMessage(tx, signer, nil)
 	if err != nil {
 		b.Fatalf("failed to prepare transaction for tracing: %v", err)
@@ -109,3 +109,41 @@ func BenchmarkTransactionTrace(b *testing.B) {
 		tracer.Reset()
 	}
 }
+
+func TestMemCopying(t *testing.T) {
+	for i, tc := range []struct {
+		memsize  int64
+		offset   int64
+		size     int64
+		wantErr  string
+		wantSize int
+	}{
+		{0, 0, 100, "", 100},    // Should pad up to 100
+		{0, 100, 0, "", 0},      // No need to pad (0 size)
+		{100, 50, 100, "", 100}, // Should pad 100-150
+		{100, 50, 5, "", 5},     // Wanted range fully within memory
+		{100, -50, 0, "offset or size must not be negative", 0},                        // Errror
+		{0, 1, 1024*1024 + 1, "reached limit for padding memory slice: 1048578", 0},    // Errror
+		{10, 0, 1024*1024 + 100, "reached limit for padding memory slice: 1048666", 0}, // Errror
+
+	} {
+		mem := vm.NewMemory()
+		mem.Resize(uint64(tc.memsize))
+		cpy, err := GetMemoryCopyPadded(mem, tc.offset, tc.size)
+		if want := tc.wantErr; want != "" {
+			if err == nil {
+				t.Fatalf("test %d: want '%v' have no error", i, want)
+			}
+			if have := err.Error(); want != have {
+				t.Fatalf("test %d: want '%v' have '%v'", i, want, have)
+			}
+			continue
+		}
+		if err != nil {
+			t.Fatalf("test %d: unexpected error: %v", i, err)
+		}
+		if want, have := tc.wantSize, len(cpy); have != want {
+			t.Fatalf("test %d: want %v have %v", i, want, have)
+		}
+	}
+}