Several fixes (#425)

* params: fix chainconfig rules

* core, core/state: init accessEvent for each transactin

* core/state: reuse point cache between blocks

consensus/beacon/consensus.go

@@ -360,12 +360,6 @@ func (beacon *Beacon) Finalize(chain consensus.ChainHeaderReader, header *types.
 		amount := new(uint256.Int).SetUint64(w.Amount)
 		amount = amount.Mul(amount, uint256.NewInt(params.GWei))
 		state.AddBalance(w.Address, amount, tracing.BalanceIncreaseWithdrawal)
-
-		// Add the balance of each withdrawal to the witness, no gas will
-		// be charged.
-		if chain.Config().IsEIP4762(header.Number, header.Time) {
-			state.AccessEvents().BalanceGas(w.Address[:], true)
-		}
 	}
 	// No block reward which is issued by consensus layer instead.
 }

core/state/access_events.go

@@ -66,7 +66,7 @@ func (aw *AccessEvents) Merge(other *AccessEvents) {
 	}
 }
 
-// Key returns, predictably, the list of keys that were touched during the
+// Keys returns, predictably, the list of keys that were touched during the
 // buildup of the access witness.
 func (aw *AccessEvents) Keys() [][]byte {
 	// TODO: consider if parallelizing this is worth it, probably depending on len(aw.chunks).
@@ -173,7 +173,6 @@ func (aw *AccessEvents) touchAddressAndChargeGas(addr []byte, treeIndex uint256.
 	if selectorFill {
 		gas += params.WitnessChunkFillCost
 	}
-
 	return gas
 }
 
@@ -206,10 +205,8 @@ func (aw *AccessEvents) touchAddress(addr []byte, treeIndex uint256.Int, subInde
 			chunkWrite = true
 			aw.chunks[chunkKey] |= AccessWitnessWriteFlag
 		}
-
 		// TODO: charge chunk filling costs if the leaf was previously empty in the state
 	}
-
 	return branchRead, chunkRead, branchWrite, chunkWrite, chunkFill
 }
 
@@ -268,7 +265,6 @@ func (aw *AccessEvents) CodeChunksRangeGas(contractAddr []byte, startPC, size ui
 			panic("overflow when adding gas")
 		}
 	}
-
 	return statelessGasCharged
 }
 

core/state/database.go

@@ -38,6 +38,9 @@ const (
 
 	// Cache size granted for caching clean code.
 	codeCacheSize = 64 * 1024 * 1024
+
+	// Number of address->curve point associations to keep.
+	pointCacheSize = 4096
 )
 
 // Database wraps access to tries and contract code.
@@ -62,6 +65,9 @@ type Database interface {
 
 	// TrieDB returns the underlying trie database for managing trie nodes.
 	TrieDB() *triedb.Database
+
+	// PointCache returns the cache of evaluated curve points.
+	PointCache() *utils.PointCache
 }
 
 // Trie is a Ethereum Merkle Patricia trie.
@@ -153,6 +159,7 @@ func NewDatabaseWithConfig(db ethdb.Database, config *triedb.Config) Database {
 		codeSizeCache: lru.NewCache[common.Hash, int](codeSizeCacheSize),
 		codeCache:     lru.NewSizeConstrainedCache[common.Hash, []byte](codeCacheSize),
 		triedb:        triedb.NewDatabase(db, config),
+		pointCache:    utils.NewPointCache(pointCacheSize),
 	}
 }
 
@@ -163,6 +170,7 @@ func NewDatabaseWithNodeDB(db ethdb.Database, triedb *triedb.Database) Database
 		codeSizeCache: lru.NewCache[common.Hash, int](codeSizeCacheSize),
 		codeCache:     lru.NewSizeConstrainedCache[common.Hash, []byte](codeCacheSize),
 		triedb:        triedb,
+		pointCache:    utils.NewPointCache(pointCacheSize),
 	}
 }
 
@@ -171,12 +179,13 @@ type cachingDB struct {
 	codeSizeCache *lru.Cache[common.Hash, int]
 	codeCache     *lru.SizeConstrainedCache[common.Hash, []byte]
 	triedb        *triedb.Database
+	pointCache    *utils.PointCache
 }
 
 // OpenTrie opens the main account trie at a specific root hash.
 func (db *cachingDB) OpenTrie(root common.Hash) (Trie, error) {
 	if db.triedb.IsVerkle() {
-		return trie.NewVerkleTrie(root, db.triedb, utils.NewPointCache(100))
+		return trie.NewVerkleTrie(root, db.triedb, db.pointCache)
 	}
 	tr, err := trie.NewStateTrie(trie.StateTrieID(root), db.triedb)
 	if err != nil {
@@ -262,3 +271,8 @@ func (db *cachingDB) DiskDB() ethdb.KeyValueStore {
 func (db *cachingDB) TrieDB() *triedb.Database {
 	return db.triedb
 }
+
+// PointCache returns the cache of evaluated curve points.
+func (db *cachingDB) PointCache() *utils.PointCache {
+	return db.pointCache
+}

core/state/statedb.go

@@ -36,7 +36,6 @@ import (
 	"github.com/ethereum/go-ethereum/trie"
 	"github.com/ethereum/go-ethereum/trie/trienode"
 	"github.com/ethereum/go-ethereum/trie/triestate"
-	"github.com/ethereum/go-ethereum/trie/utils"
 	"github.com/holiman/uint256"
 )
 
@@ -140,8 +139,8 @@ type StateDB struct {
 	// Transient storage
 	transientStorage transientStorage
 
-	// State access events, used for Verkle tries/EIP4762
-	accessEvents *AccessEvents
+	// State access events, used for EIP4762
+	accessEvents *AccessEvents // reset for each transaction
 
 	// Journal of state modifications. This is the backbone of
 	// Snapshot and RevertToSnapshot.
@@ -197,30 +196,16 @@ func New(root common.Hash, db Database, snaps *snapshot.Tree) (*StateDB, error)
 		transientStorage:     newTransientStorage(),
 		hasher:               crypto.NewKeccakState(),
 	}
-	if tr.IsVerkle() {
-		sdb.accessEvents = sdb.NewAccessEvents()
-	}
 	if sdb.snaps != nil {
 		sdb.snap = sdb.snaps.Snapshot(root)
 	}
 	return sdb, nil
 }
 
-func (s *StateDB) NewAccessEvents() *AccessEvents {
-	return NewAccessEvents(utils.NewPointCache(100))
-}
-
 func (s *StateDB) AccessEvents() *AccessEvents {
-	if s.accessEvents == nil {
-		s.accessEvents = s.NewAccessEvents()
-	}
 	return s.accessEvents
 }
 
-func (s *StateDB) SetAccessEvents(ae *AccessEvents) {
-	s.accessEvents = ae
-}
-
 // SetLogger sets the logger for account update hooks.
 func (s *StateDB) SetLogger(l *tracing.Hooks) {
 	s.logger = l
@@ -767,6 +752,9 @@ func (s *StateDB) Copy() *StateDB {
 	if s.prefetcher != nil {
 		state.prefetcher = s.prefetcher.copy()
 	}
+	if s.accessEvents != nil {
+		state.accessEvents = s.accessEvents.Copy()
+	}
 	return state
 }
 
@@ -1297,6 +1285,9 @@ func (s *StateDB) Commit(block uint64, deleteEmptyObjects bool) (common.Hash, er
 // - Add coinbase to access list (EIP-3651)
 // - Reset transient storage (EIP-1153)
 func (s *StateDB) Prepare(rules params.Rules, sender, coinbase common.Address, dst *common.Address, precompiles []common.Address, list types.AccessList) {
+	if rules.IsEIP2929 && rules.IsEIP4762 {
+		panic("eip2929 and eip4762 are both activated")
+	}
 	if rules.IsEIP2929 {
 		// Clear out any leftover from previous executions
 		al := newAccessList()
@@ -1320,6 +1311,9 @@ func (s *StateDB) Prepare(rules params.Rules, sender, coinbase common.Address, d
 			al.AddAddress(coinbase)
 		}
 	}
+	if rules.IsEIP4762 {
+		s.accessEvents = NewAccessEvents(s.db.PointCache())
+	}
 	// Reset transient storage at the beginning of transaction execution
 	s.transientStorage = newTransientStorage()
 }

core/state_processor.go

@@ -120,7 +120,6 @@ func ApplyTransactionWithEVM(msg *Message, config *params.ChainConfig, gp *GasPo
 	}
 	// Create a new context to be used in the EVM environment.
 	txContext := NewEVMTxContext(msg)
-	txContext.AccessEvents = statedb.NewAccessEvents()
 	evm.Reset(txContext, statedb)
 
 	// Apply the transaction to the current state (included in the env).
@@ -158,11 +157,6 @@ func ApplyTransactionWithEVM(msg *Message, config *params.ChainConfig, gp *GasPo
 	if msg.To == nil {
 		receipt.ContractAddress = crypto.CreateAddress(evm.TxContext.Origin, tx.Nonce())
 	}
-
-	if statedb.AccessEvents() != nil {
-		statedb.AccessEvents().Merge(txContext.AccessEvents)
-	}
-
 	// Set the receipt logs and create the bloom filter.
 	receipt.Logs = statedb.GetLogs(tx.Hash(), blockNumber.Uint64(), blockHash)
 	receipt.Bloom = types.CreateBloom(types.Receipts{receipt})
@@ -208,8 +202,5 @@ func ProcessBeaconBlockRoot(beaconRoot common.Hash, vmenv *vm.EVM, statedb *stat
 		statedb.AddAddressToAccessList(params.BeaconRootsAddress)
 	}
 	_, _, _ = vmenv.Call(vm.AccountRef(msg.From), *msg.To, msg.Data, 30_000_000, common.U2560)
-	if vmenv.ChainConfig().Rules(vmenv.Context.BlockNumber, true, vmenv.Context.Time).IsEIP4762 {
-		statedb.AccessEvents().Merge(txctx.AccessEvents)
-	}
 	statedb.Finalise(true)
 }

core/state_transition.go

@@ -406,10 +406,10 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
 	st.gasRemaining -= gas
 
 	if rules.IsEIP4762 {
-		st.evm.AccessEvents.AddTxOrigin(msg.From.Bytes())
+		st.evm.StateDB.AccessEvents().AddTxOrigin(msg.From.Bytes())
 
 		if targetAddr := msg.To; targetAddr != nil {
-			st.evm.AccessEvents.AddTxDestination(targetAddr.Bytes(), msg.Value.Sign() != 0)
+			st.evm.StateDB.AccessEvents().AddTxDestination(targetAddr.Bytes(), msg.Value.Sign() != 0)
 
 			// ensure the code size ends up in the access witness
 			st.evm.StateDB.GetCodeSize(*targetAddr)
@@ -472,7 +472,7 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
 
 		// add the coinbase to the witness iff the fee is greater than 0
 		if rules.IsEIP4762 && fee.Sign() != 0 {
-			st.evm.AccessEvents.BalanceGas(st.evm.Context.Coinbase[:], true)
+			st.evm.StateDB.AccessEvents().BalanceGas(st.evm.Context.Coinbase[:], true)
 		}
 	}
 

core/vm/eips.go

@@ -331,7 +331,7 @@ func opCreateEIP4762(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContex
 	var endowment = scope.Stack.peek()
 
 	contractAddress := crypto.CreateAddress(scope.Contract.Address(), interpreter.evm.StateDB.GetNonce(scope.Contract.Address()))
-	statelessGas := interpreter.evm.AccessEvents.ContractCreateInitGas(contractAddress.Bytes()[:], endowment.Sign() != 0)
+	statelessGas := interpreter.evm.StateDB.AccessEvents().ContractCreateInitGas(contractAddress.Bytes()[:], endowment.Sign() != 0)
 	if !scope.Contract.UseGas(statelessGas, interpreter.evm.Config.Tracer, tracing.GasChangeUnspecified) {
 		return nil, ErrExecutionReverted
 	}
@@ -352,7 +352,7 @@ func opCreate2EIP4762(pc *uint64, interpreter *EVMInterpreter, scope *ScopeConte
 
 	codeAndHash := &codeAndHash{code: input}
 	contractAddress := crypto.CreateAddress2(scope.Contract.Address(), salt.Bytes32(), codeAndHash.Hash().Bytes())
-	statelessGas := interpreter.evm.AccessEvents.ContractCreateInitGas(contractAddress.Bytes()[:], endowment.Sign() != 0)
+	statelessGas := interpreter.evm.StateDB.AccessEvents().ContractCreateInitGas(contractAddress.Bytes()[:], endowment.Sign() != 0)
 	if !scope.Contract.UseGas(statelessGas, interpreter.evm.Config.Tracer, tracing.GasChangeUnspecified) {
 		return nil, ErrExecutionReverted
 	}
@@ -379,7 +379,7 @@ func opExtCodeCopyEIP4762(pc *uint64, interpreter *EVMInterpreter, scope *ScopeC
 		self: AccountRef(addr),
 	}
 	paddedCodeCopy, copyOffset, nonPaddedCopyLength := getDataAndAdjustedBounds(code, uint64CodeOffset, length.Uint64())
-	statelessGas := interpreter.evm.AccessEvents.CodeChunksRangeGas(addr[:], copyOffset, nonPaddedCopyLength, uint64(len(contract.Code)), false)
+	statelessGas := interpreter.evm.StateDB.AccessEvents().CodeChunksRangeGas(addr[:], copyOffset, nonPaddedCopyLength, uint64(len(contract.Code)), false)
 	if !scope.Contract.UseGas(statelessGas, interpreter.evm.Config.Tracer, tracing.GasChangeUnspecified) {
 		scope.Contract.Gas = 0
 		return nil, ErrOutOfGas
@@ -405,7 +405,7 @@ func opPush1EIP4762(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
 			// touch next chunk if PUSH1 is at the boundary. if so, *pc has
 			// advanced past this boundary.
 			contractAddr := scope.Contract.Address()
-			statelessGas := interpreter.evm.AccessEvents.CodeChunksRangeGas(contractAddr[:], *pc+1, uint64(1), uint64(len(scope.Contract.Code)), false)
+			statelessGas := interpreter.evm.StateDB.AccessEvents().CodeChunksRangeGas(contractAddr[:], *pc+1, uint64(1), uint64(len(scope.Contract.Code)), false)
 			if !scope.Contract.UseGas(statelessGas, interpreter.evm.Config.Tracer, tracing.GasChangeUnspecified) {
 				scope.Contract.Gas = 0
 				return nil, ErrOutOfGas
@@ -433,7 +433,7 @@ func makePushEIP4762(size uint64, pushByteSize int) executionFunc {
 
 		if !scope.Contract.IsDeployment {
 			contractAddr := scope.Contract.Address()
-			statelessGas := interpreter.evm.AccessEvents.CodeChunksRangeGas(contractAddr[:], uint64(start), uint64(pushByteSize), uint64(len(scope.Contract.Code)), false)
+			statelessGas := interpreter.evm.StateDB.AccessEvents().CodeChunksRangeGas(contractAddr[:], uint64(start), uint64(pushByteSize), uint64(len(scope.Contract.Code)), false)
 			if !scope.Contract.UseGas(statelessGas, interpreter.evm.Config.Tracer, tracing.GasChangeUnspecified) {
 				scope.Contract.Gas = 0
 				return nil, ErrOutOfGas

core/vm/evm.go

@@ -22,7 +22,6 @@ import (
 	"sync/atomic"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/tracing"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -88,11 +87,10 @@ type BlockContext struct {
 // All fields can change between transactions.
 type TxContext struct {
 	// Message information
-	Origin       common.Address      // Provides information for ORIGIN
-	GasPrice     *big.Int            // Provides information for GASPRICE (and is used to zero the basefee if NoBaseFee is set)
-	BlobHashes   []common.Hash       // Provides information for BLOBHASH
-	BlobFeeCap   *big.Int            // Is used to zero the blobbasefee if NoBaseFee is set
-	AccessEvents *state.AccessEvents // Capture all state accesses for this tx
+	Origin     common.Address // Provides information for ORIGIN
+	GasPrice   *big.Int       // Provides information for GASPRICE (and is used to zero the basefee if NoBaseFee is set)
+	BlobHashes []common.Hash  // Provides information for BLOBHASH
+	BlobFeeCap *big.Int       // Is used to zero the blobbasefee if NoBaseFee is set
 }
 
 // EVM is the Ethereum Virtual Machine base object and provides
@@ -153,9 +151,6 @@ func NewEVM(blockCtx BlockContext, txCtx TxContext, statedb StateDB, chainConfig
 		chainConfig: chainConfig,
 		chainRules:  chainConfig.Rules(blockCtx.BlockNumber, blockCtx.Random != nil, blockCtx.Time),
 	}
-	if txCtx.AccessEvents == nil && chainConfig.IsPrague(blockCtx.BlockNumber, blockCtx.Time) {
-		evm.AccessEvents = evm.StateDB.(*state.StateDB).NewAccessEvents()
-	}
 	evm.interpreter = NewEVMInterpreter(evm)
 	return evm
 }
@@ -163,9 +158,6 @@ func NewEVM(blockCtx BlockContext, txCtx TxContext, statedb StateDB, chainConfig
 // Reset resets the EVM with a new transaction context.Reset
 // This is not threadsafe and should only be done very cautiously.
 func (evm *EVM) Reset(txCtx TxContext, statedb StateDB) {
-	if txCtx.AccessEvents == nil && evm.chainRules.IsPrague {
-		txCtx.AccessEvents = evm.StateDB.(*state.StateDB).NewAccessEvents()
-	}
 	evm.TxContext = txCtx
 	evm.StateDB = statedb
 }
@@ -212,7 +204,7 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
 	if !evm.StateDB.Exist(addr) {
 		if !isPrecompile && evm.chainRules.IsEIP4762 {
 			// add proof of absence to witness
-			wgas := evm.AccessEvents.AddAccount(addr.Bytes(), false)
+			wgas := evm.StateDB.AccessEvents().AddAccount(addr.Bytes(), false)
 			if gas < wgas {
 				evm.StateDB.RevertToSnapshot(snapshot)
 				return nil, 0, ErrOutOfGas
@@ -503,7 +495,7 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
 
 	// Charge the contract creation init gas in verkle mode
 	if evm.chainRules.IsEIP4762 {
-		if !contract.UseGas(evm.AccessEvents.ContractCreateInitGas(address.Bytes(), value.Sign() != 0), evm.Config.Tracer, tracing.GasChangeWitnessContractInit) {
+		if !contract.UseGas(evm.StateDB.AccessEvents().ContractCreateInitGas(address.Bytes(), value.Sign() != 0), evm.Config.Tracer, tracing.GasChangeWitnessContractInit) {
 			err = ErrOutOfGas
 		}
 	}
@@ -534,11 +526,11 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
 			}
 		} else {
 			// Contract creation completed, touch the missing fields in the contract
-			if !contract.UseGas(evm.AccessEvents.AddAccount(address.Bytes()[:], true), evm.Config.Tracer, tracing.GasChangeWitnessContractCreation) {
+			if !contract.UseGas(evm.StateDB.AccessEvents().AddAccount(address.Bytes()[:], true), evm.Config.Tracer, tracing.GasChangeWitnessContractCreation) {
 				err = ErrCodeStoreOutOfGas
 			}
 
-			if err == nil && len(ret) > 0 && !contract.UseGas(evm.AccessEvents.CodeChunksRangeGas(address.Bytes(), 0, uint64(len(ret)), uint64(len(ret)), true), evm.Config.Tracer, tracing.GasChangeWitnessCodeChunk) {
+			if err == nil && len(ret) > 0 && !contract.UseGas(evm.StateDB.AccessEvents().CodeChunksRangeGas(address.Bytes(), 0, uint64(len(ret)), uint64(len(ret)), true), evm.Config.Tracer, tracing.GasChangeWitnessCodeChunk) {
 				err = ErrCodeStoreOutOfGas
 			}
 		}

core/vm/gas_table.go

@@ -404,7 +404,7 @@ func gasCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize
 	}
 	if evm.chainRules.IsEIP4762 {
 		if transfersValue {
-			gas, overflow = math.SafeAdd(gas, evm.AccessEvents.ValueTransferGas(contract.Address().Bytes()[:], address.Bytes()[:]))
+			gas, overflow = math.SafeAdd(gas, evm.StateDB.AccessEvents().ValueTransferGas(contract.Address().Bytes()[:], address.Bytes()[:]))
 			if overflow {
 				return 0, ErrGasUintOverflow
 			}
@@ -440,7 +440,7 @@ func gasCallCode(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memory
 		address := common.Address(stack.Back(1).Bytes20())
 		transfersValue := !stack.Back(2).IsZero()
 		if transfersValue {
-			gas, overflow = math.SafeAdd(gas, evm.AccessEvents.ValueTransferGas(contract.Address().Bytes()[:], address.Bytes()[:]))
+			gas, overflow = math.SafeAdd(gas, evm.StateDB.AccessEvents().ValueTransferGas(contract.Address().Bytes()[:], address.Bytes()[:]))
 			if overflow {
 				return 0, ErrGasUintOverflow
 			}

core/vm/interface.go

@@ -20,6 +20,7 @@ import (
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/tracing"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/params"
@@ -75,6 +76,9 @@ type StateDB interface {
 	// AddSlotToAccessList adds the given (address,slot) to the access list. This operation is safe to perform
 	// even if the feature/fork is not active yet
 	AddSlotToAccessList(addr common.Address, slot common.Hash)
+
+	AccessEvents() *state.AccessEvents
+
 	Prepare(rules params.Rules, sender, coinbase common.Address, dest *common.Address, precompiles []common.Address, txAccesses types.AccessList)
 
 	RevertToSnapshot(int)

core/vm/interpreter.go

@@ -227,7 +227,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
 			// if the PC ends up in a new "chunk" of verkleized code, charge the
 			// associated costs.
 			contractAddr := contract.Address()
-			contract.Gas -= in.evm.TxContext.AccessEvents.CodeChunksRangeGas(contractAddr[:], pc, 1, uint64(len(contract.Code)), false)
+			contract.Gas -= in.evm.StateDB.AccessEvents().CodeChunksRangeGas(contractAddr[:], pc, 1, uint64(len(contract.Code)), false)
 		}
 
 		// Get the operation from the jump table and validate the stack to ensure there are

core/vm/operations_verkle.go

@@ -23,7 +23,7 @@ import (
 )
 
 func gasSStore4762(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
-	gas := evm.AccessEvents.SlotGas(contract.Address().Bytes(), common.Hash(stack.peek().Bytes32()), true)
+	gas := evm.StateDB.AccessEvents().SlotGas(contract.Address().Bytes(), common.Hash(stack.peek().Bytes32()), true)
 	if gas == 0 {
 		gas = params.WarmStorageReadCostEIP2929
 	}
@@ -31,7 +31,7 @@ func gasSStore4762(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memo
 }
 
 func gasSLoad4762(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
-	gas := evm.AccessEvents.SlotGas(contract.Address().Bytes(), common.Hash(stack.peek().Bytes32()), false)
+	gas := evm.StateDB.AccessEvents().SlotGas(contract.Address().Bytes(), common.Hash(stack.peek().Bytes32()), false)
 	if gas == 0 {
 		gas = params.WarmStorageReadCostEIP2929
 	}
@@ -40,7 +40,7 @@ func gasSLoad4762(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memor
 
 func gasBalance4762(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
 	address := stack.peek().Bytes20()
-	gas := evm.AccessEvents.BalanceGas(address[:], false)
+	gas := evm.StateDB.AccessEvents().BalanceGas(address[:], false)
 	if gas == 0 {
 		gas = params.WarmStorageReadCostEIP2929
 	}
@@ -52,8 +52,8 @@ func gasExtCodeSize4762(evm *EVM, contract *Contract, stack *Stack, mem *Memory,
 	if _, isPrecompile := evm.precompile(address); isPrecompile {
 		return 0, nil
 	}
-	wgas := evm.AccessEvents.VersionGas(address[:], false)
-	wgas += evm.AccessEvents.CodeSizeGas(address[:], false)
+	wgas := evm.StateDB.AccessEvents().VersionGas(address[:], false)
+	wgas += evm.StateDB.AccessEvents().CodeSizeGas(address[:], false)
 	if wgas == 0 {
 		wgas = params.WarmStorageReadCostEIP2929
 	}
@@ -65,7 +65,7 @@ func gasExtCodeHash4762(evm *EVM, contract *Contract, stack *Stack, mem *Memory,
 	if _, isPrecompile := evm.precompile(address); isPrecompile {
 		return 0, nil
 	}
-	codehashgas := evm.AccessEvents.CodeHashGas(address[:], false)
+	codehashgas := evm.StateDB.AccessEvents().CodeHashGas(address[:], false)
 	if codehashgas == 0 {
 		codehashgas = params.WarmStorageReadCostEIP2929
 	}
@@ -81,7 +81,7 @@ func makeCallVariantGasEIP4762(oldCalculator gasFunc) gasFunc {
 		if _, isPrecompile := evm.precompile(contract.Address()); isPrecompile {
 			return gas, nil
 		}
-		wgas := evm.AccessEvents.MessageCallGas(contract.Address().Bytes())
+		wgas := evm.StateDB.AccessEvents().MessageCallGas(contract.Address().Bytes())
 		if wgas == 0 {
 			wgas = params.WarmStorageReadCostEIP2929
 		}
@@ -102,17 +102,17 @@ func gasSelfdestructEIP4762(evm *EVM, contract *Contract, stack *Stack, mem *Mem
 		return 0, nil
 	}
 	contractAddr := contract.Address()
-	statelessGas := evm.AccessEvents.VersionGas(contractAddr[:], false)
-	statelessGas += evm.AccessEvents.CodeSizeGas(contractAddr[:], false)
-	statelessGas += evm.AccessEvents.BalanceGas(contractAddr[:], false)
+	statelessGas := evm.StateDB.AccessEvents().VersionGas(contractAddr[:], false)
+	statelessGas += evm.StateDB.AccessEvents().CodeSizeGas(contractAddr[:], false)
+	statelessGas += evm.StateDB.AccessEvents().BalanceGas(contractAddr[:], false)
 	if contractAddr != beneficiaryAddr {
-		statelessGas += evm.AccessEvents.BalanceGas(beneficiaryAddr[:], false)
+		statelessGas += evm.StateDB.AccessEvents().BalanceGas(beneficiaryAddr[:], false)
 	}
 	// Charge write costs if it transfers value
 	if evm.StateDB.GetBalance(contractAddr).Sign() != 0 {
-		statelessGas += evm.AccessEvents.BalanceGas(contractAddr[:], true)
+		statelessGas += evm.StateDB.AccessEvents().BalanceGas(contractAddr[:], true)
 		if contractAddr != beneficiaryAddr {
-			statelessGas += evm.AccessEvents.BalanceGas(beneficiaryAddr[:], true)
+			statelessGas += evm.StateDB.AccessEvents().BalanceGas(beneficiaryAddr[:], true)
 		}
 	}
 	return statelessGas, nil
@@ -133,7 +133,7 @@ func gasCodeCopyEip4762(evm *EVM, contract *Contract, stack *Stack, mem *Memory,
 	}
 	_, copyOffset, nonPaddedCopyLength := getDataAndAdjustedBounds(contract.Code, uint64CodeOffset, length.Uint64())
 	if !contract.IsDeployment {
-		gas += evm.AccessEvents.CodeChunksRangeGas(contract.Address().Bytes(), copyOffset, nonPaddedCopyLength, uint64(len(contract.Code)), false)
+		gas += evm.StateDB.AccessEvents().CodeChunksRangeGas(contract.Address().Bytes(), copyOffset, nonPaddedCopyLength, uint64(len(contract.Code)), false)
 	}
 	return gas, nil
 }
@@ -145,8 +145,8 @@ func gasExtCodeCopyEIP4762(evm *EVM, contract *Contract, stack *Stack, mem *Memo
 		return 0, err
 	}
 	addr := common.Address(stack.peek().Bytes20())
-	wgas := evm.AccessEvents.VersionGas(addr[:], false)
-	wgas += evm.AccessEvents.CodeSizeGas(addr[:], false)
+	wgas := evm.StateDB.AccessEvents().VersionGas(addr[:], false)
+	wgas += evm.StateDB.AccessEvents().CodeSizeGas(addr[:], false)
 	if wgas == 0 {
 		wgas = params.WarmStorageReadCostEIP2929
 	}

params/config.go

@@ -921,6 +921,7 @@ func (c *ChainConfig) Rules(num *big.Int, isMerge bool, timestamp uint64) Rules
 	}
 	// disallow setting Merge out of order
 	isMerge = isMerge && c.IsLondon(num)
+	isVerkle := isMerge && c.IsVerkle(num, timestamp)
 	return Rules{
 		ChainID:          new(big.Int).Set(chainID),
 		IsHomestead:      c.IsHomestead(num),
@@ -932,13 +933,13 @@ func (c *ChainConfig) Rules(num *big.Int, isMerge bool, timestamp uint64) Rules
 		IsPetersburg:     c.IsPetersburg(num),
 		IsIstanbul:       c.IsIstanbul(num),
 		IsBerlin:         c.IsBerlin(num),
-		IsEIP2929:        c.IsBerlin(num) && !c.IsVerkle(num, timestamp),
-		IsEIP4762:        c.IsVerkle(num, timestamp),
+		IsEIP2929:        c.IsBerlin(num) && !isVerkle,
 		IsLondon:         c.IsLondon(num),
 		IsMerge:          isMerge,
 		IsShanghai:       isMerge && c.IsShanghai(num, timestamp),
 		IsCancun:         isMerge && c.IsCancun(num, timestamp),
 		IsPrague:         isMerge && c.IsPrague(num, timestamp),
-		IsVerkle:         isMerge && c.IsVerkle(num, timestamp),
+		IsVerkle:         isVerkle,
+		IsEIP4762:        isVerkle,
 	}
 }