mirror
/
go-ethereum
mirror of https://github.com/ethereum/go-ethereum
2
0
Fork 1
Code Issues Releases Wiki Activity

core/{state,vm}: FILL_COSTS using StateExists

Browse Source
pull/30390/head
Guillaume Ballet 2 months ago
parent 8c42044252
commit 839a258547
9 changed files with 83 additions and 55 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 73
      core/state/access_events.go
  2. 20
      core/state/access_events_test.go
  3. 2
      core/state_transition.go
  4. 6
      core/vm/eips.go
  5. 6
      core/vm/evm.go
  6. 4
      core/vm/gas_table.go
  7. 2
      core/vm/interface.go
  8. 2
      core/vm/interpreter.go
  9. 23
      core/vm/operations_verkle.go

73
core/state/access_events.go
Unescape View File

@ -44,6 +44,7 @@ var zeroTreeIndex uint256.Int
type AccessEvents struct {
branches map[branchAccessKey]mode
chunks map[chunkAccessKey]mode
fills map[chunkAccessKey]struct{}
pointCache *utils.PointCache
}
@ -52,6 +53,7 @@ func NewAccessEvents(pointCache *utils.PointCache) *AccessEvents {
return &AccessEvents{
branches: make(map[branchAccessKey]mode),
chunks: make(map[chunkAccessKey]mode),
fills: make(map[chunkAccessKey]struct{}),
pointCache: pointCache,
}
}
@ -66,6 +68,9 @@ func (ae *AccessEvents) Merge(other *AccessEvents) {
for k, chunk := range other.chunks {
ae.chunks[k] |= chunk
}
for k := range other.fills {
ae.fills[k] = struct{}{}
}
}
// Keys returns, predictably, the list of keys that were touched during the
@ -85,17 +90,24 @@ func (ae *AccessEvents) Copy() *AccessEvents {
cpy := &AccessEvents{
branches: maps.Clone(ae.branches),
chunks: maps.Clone(ae.chunks),
fills: maps.Clone(ae.fills),
pointCache: ae.pointCache,
}
return cpy
}
// Reset resets all values of an access event, except its `fills` and point cache fields
func (ae *AccessEvents) Reset() {
ae.branches = make(map[branchAccessKey]mode)
ae.chunks = make(map[chunkAccessKey]mode)
}
// AddAccount returns the gas to be charged for each of the currently cold
// member fields of an account.
func (ae *AccessEvents) AddAccount(addr common.Address, isWrite bool) uint64 {
func (ae *AccessEvents) AddAccount(addr common.Address, isWrite, isFill bool) uint64 {
var gas uint64
gas += ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, isWrite)
gas += ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, isWrite)
gas += ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, isWrite, isFill)
gas += ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, isWrite, isFill)
return gas
}
@ -104,16 +116,18 @@ func (ae *AccessEvents) AddAccount(addr common.Address, isWrite bool) uint64 {
// call to that account.
func (ae *AccessEvents) MessageCallGas(destination common.Address) uint64 {
var gas uint64
gas += ae.touchAddressAndChargeGas(destination, zeroTreeIndex, utils.BasicDataLeafKey, false)
gas += ae.touchAddressAndChargeGas(destination, zeroTreeIndex, utils.BasicDataLeafKey, false, false)
return gas
}
// ValueTransferGas returns the gas to be charged for each of the currently
// cold balance member fields of the caller and the callee accounts.
func (ae *AccessEvents) ValueTransferGas(callerAddr, targetAddr common.Address) uint64 {
func (ae *AccessEvents) ValueTransferGas(callerAddr, targetAddr common.Address, isFill bool) uint64 {
var gas uint64
gas += ae.touchAddressAndChargeGas(callerAddr, zeroTreeIndex, utils.BasicDataLeafKey, true)
gas += ae.touchAddressAndChargeGas(targetAddr, zeroTreeIndex, utils.BasicDataLeafKey, true)
// TODO have a test to see what happens what happens when a tx from a non-existing
// account to another account (existing or not).
gas += ae.touchAddressAndChargeGas(callerAddr, zeroTreeIndex, utils.BasicDataLeafKey, true, false)
gas += ae.touchAddressAndChargeGas(targetAddr, zeroTreeIndex, utils.BasicDataLeafKey, true, isFill)
return gas
}
@ -121,34 +135,41 @@ func (ae *AccessEvents) ValueTransferGas(callerAddr, targetAddr common.Address)
// a contract creation.
func (ae *AccessEvents) ContractCreateInitGas(addr common.Address, createSendsValue bool) uint64 {
var gas uint64
gas += ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, true)
gas += ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, true, true)
return gas
}
// AddTxOrigin adds the member fields of the sender account to the access event list,
// so that cold accesses are not charged, since they are covered by the 21000 gas.
func (ae *AccessEvents) AddTxOrigin(originAddr common.Address) {
ae.touchAddressAndChargeGas(originAddr, zeroTreeIndex, utils.BasicDataLeafKey, true)
ae.touchAddressAndChargeGas(originAddr, zeroTreeIndex, utils.CodeHashLeafKey, false)
ae.touchAddressAndChargeGas(originAddr, zeroTreeIndex, utils.BasicDataLeafKey, true, false)
ae.touchAddressAndChargeGas(originAddr, zeroTreeIndex, utils.CodeHashLeafKey, false, false)
}
// AddTxDestination adds the member fields of the sender account to the access event list,
// so that cold accesses are not charged, since they are covered by the 21000 gas.
func (ae *AccessEvents) AddTxDestination(addr common.Address, sendsValue bool) {
ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, sendsValue)
ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, false)
// For the balance, isFill is always set to true, as it will be covered by
// the intrinsic tx gas if needed. If the destination is written to during
// the contract execution, before the state db layer has saved it to disk,
// the fill cost will already have been covered by the intrinsic gas.
ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, sendsValue, true)
// This is set to false, because the hash leaf key isn't going to be written
// to by the contract execution, and the potential creation is covered by the
// intrinsic gas.
ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, false, false)
}
// SlotGas returns the amount of gas to be charged for a cold storage access.
func (ae *AccessEvents) SlotGas(addr common.Address, slot common.Hash, isWrite bool) uint64 {
func (ae *AccessEvents) SlotGas(addr common.Address, slot common.Hash, isWrite, isFill bool) uint64 {
treeIndex, subIndex := utils.StorageIndex(slot.Bytes())
return ae.touchAddressAndChargeGas(addr, *treeIndex, subIndex, isWrite)
return ae.touchAddressAndChargeGas(addr, *treeIndex, subIndex, isWrite, isFill)
}
// touchAddressAndChargeGas adds any missing access event to the access event list, and returns the cold
// access cost to be charged, if need be.
func (ae *AccessEvents) touchAddressAndChargeGas(addr common.Address, treeIndex uint256.Int, subIndex byte, isWrite bool) uint64 {
stemRead, selectorRead, stemWrite, selectorWrite, selectorFill := ae.touchAddress(addr, treeIndex, subIndex, isWrite)
func (ae *AccessEvents) touchAddressAndChargeGas(addr common.Address, treeIndex uint256.Int, subIndex byte, isWrite, isFill bool) uint64 {
stemRead, selectorRead, stemWrite, selectorWrite, selectorFill := ae.touchAddress(addr, treeIndex, subIndex, isWrite, isFill)
var gas uint64
if stemRead {
@ -170,7 +191,7 @@ func (ae *AccessEvents) touchAddressAndChargeGas(addr common.Address, treeIndex
}
// touchAddress adds any missing access event to the access event list.
func (ae *AccessEvents) touchAddress(addr common.Address, treeIndex uint256.Int, subIndex byte, isWrite bool) (bool, bool, bool, bool, bool) {
func (ae *AccessEvents) touchAddress(addr common.Address, treeIndex uint256.Int, subIndex byte, isWrite, isFill bool) (bool, bool, bool, bool, bool) {
branchKey := newBranchAccessKey(addr, treeIndex)
chunkKey := newChunkAccessKey(branchKey, subIndex)
@ -198,7 +219,11 @@ func (ae *AccessEvents) touchAddress(addr common.Address, treeIndex uint256.Int,
chunkWrite = true
ae.chunks[chunkKey] |= AccessWitnessWriteFlag
}
// TODO: charge chunk filling costs if the leaf was previously empty in the state
_, ok := ae.fills[chunkKey]
if isFill && !ok {
chunkFill = true
ae.fills[chunkKey] = struct{}{}
}
}
return branchRead, chunkRead, branchWrite, chunkWrite, chunkFill
}
@ -228,7 +253,7 @@ func newChunkAccessKey(branchKey branchAccessKey, leafKey byte) chunkAccessKey {
}
// CodeChunksRangeGas is a helper function to touch every chunk in a code range and charge witness gas costs
func (ae *AccessEvents) CodeChunksRangeGas(contractAddr common.Address, startPC, size uint64, codeLen uint64, isWrite bool) uint64 {
func (ae *AccessEvents) CodeChunksRangeGas(contractAddr common.Address, startPC, size uint64, codeLen uint64, isWrite, isFill bool) uint64 {
// note that in the case where the copied code is outside the range of the
// contract code but touches the last leaf with contract code in it,
// we don't include the last leaf of code in the AccessWitness. The
@ -251,7 +276,7 @@ func (ae *AccessEvents) CodeChunksRangeGas(contractAddr common.Address, startPC,
for chunkNumber := startPC / 31; chunkNumber <= endPC/31; chunkNumber++ {
treeIndex := *uint256.NewInt((chunkNumber + 128) / 256)
subIndex := byte((chunkNumber + 128) % 256)
gas := ae.touchAddressAndChargeGas(contractAddr, treeIndex, subIndex, isWrite)
gas := ae.touchAddressAndChargeGas(contractAddr, treeIndex, subIndex, isWrite, isFill)
var overflow bool
statelessGasCharged, overflow = math.SafeAdd(statelessGasCharged, gas)
if overflow {
@ -265,8 +290,8 @@ func (ae *AccessEvents) CodeChunksRangeGas(contractAddr common.Address, startPC,
// amount of gas that it costs.
// Note that an access in write mode implies an access in read mode, whereas an
// access in read mode does not imply an access in write mode.
func (ae *AccessEvents) BasicDataGas(addr common.Address, isWrite bool) uint64 {
return ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, isWrite)
func (ae *AccessEvents) BasicDataGas(addr common.Address, isWrite, isFill bool) uint64 {
return ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, isWrite, isFill)
}
// CodeHashGas adds the account's code hash to the accessed data, and returns the
@ -274,6 +299,6 @@ func (ae *AccessEvents) BasicDataGas(addr common.Address, isWrite bool) uint64 {
// in write mode. If false, the charged gas corresponds to an access in read mode.
// Note that an access in write mode implies an access in read mode, whereas an access in
// read mode does not imply an access in write mode.
func (ae *AccessEvents) CodeHashGas(addr common.Address, isWrite bool) uint64 {
return ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, isWrite)
func (ae *AccessEvents) CodeHashGas(addr common.Address, isWrite, isFill bool) uint64 {
return ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, isWrite, isFill)
}

20
core/state/access_events_test.go
Unescape View File

@ -40,50 +40,50 @@ func TestAccountHeaderGas(t *testing.T) {
ae := NewAccessEvents(utils.NewPointCache(1024))
// Check cold read cost
gas := ae.BasicDataGas(testAddr, false)
gas := ae.BasicDataGas(testAddr, false, false)
if want := params.WitnessBranchReadCost + params.WitnessChunkReadCost; gas != want {
t.Fatalf("incorrect gas computed, got %d, want %d", gas, want)
}
// Check warm read cost
gas = ae.BasicDataGas(testAddr, false)
gas = ae.BasicDataGas(testAddr, false, false)
if gas != 0 {
t.Fatalf("incorrect gas computed, got %d, want %d", gas, 0)
}
// Check cold read costs in the same group no longer incur the branch read cost
gas = ae.CodeHashGas(testAddr, false)
gas = ae.CodeHashGas(testAddr, false, false)
if gas != params.WitnessChunkReadCost {
t.Fatalf("incorrect gas computed, got %d, want %d", gas, params.WitnessChunkReadCost)
}
// Check cold write cost
gas = ae.BasicDataGas(testAddr, true)
gas = ae.BasicDataGas(testAddr, true, false)
if want := params.WitnessBranchWriteCost + params.WitnessChunkWriteCost; gas != want {
t.Fatalf("incorrect gas computed, got %d, want %d", gas, want)
}
// Check warm write cost
gas = ae.BasicDataGas(testAddr, true)
gas = ae.BasicDataGas(testAddr, true, false)
if gas != 0 {
t.Fatalf("incorrect gas computed, got %d, want %d", gas, 0)
}
// Check a write without a read charges both read and write costs
gas = ae.BasicDataGas(testAddr2, true)
gas = ae.BasicDataGas(testAddr2, true, false)
if want := params.WitnessBranchReadCost + params.WitnessBranchWriteCost + params.WitnessChunkWriteCost + params.WitnessChunkReadCost; gas != want {
t.Fatalf("incorrect gas computed, got %d, want %d", gas, want)
}
// Check that a write followed by a read charges nothing
gas = ae.BasicDataGas(testAddr2, false)
gas = ae.BasicDataGas(testAddr2, false, false)
if gas != 0 {
t.Fatalf("incorrect gas computed, got %d, want %d", gas, 0)
}
// Check that reading a slot from the account header only charges the
// chunk read cost.
gas = ae.SlotGas(testAddr, common.Hash{}, false)
gas = ae.SlotGas(testAddr, common.Hash{}, false, false)
if gas != params.WitnessChunkReadCost {
t.Fatalf("incorrect gas computed, got %d, want %d", gas, params.WitnessChunkReadCost)
}
@ -124,11 +124,11 @@ func TestMessageCallGas(t *testing.T) {
}
// Check that reading the basic data and code hash of the same account does not incur the branch read cost
gas = ae.BasicDataGas(testAddr, false)
gas = ae.BasicDataGas(testAddr, false, false)
if gas != 0 {
t.Fatalf("incorrect gas computed, got %d, want %d", gas, 0)
}
gas = ae.CodeHashGas(testAddr, false)
gas = ae.CodeHashGas(testAddr, false, false)
if gas != params.WitnessChunkReadCost {
t.Fatalf("incorrect gas computed, got %d, want %d", gas, 0)
}

2
core/state_transition.go
Unescape View File

@ -470,7 +470,7 @@ 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.AddAccount(st.evm.Context.Coinbase, true)
st.evm.AccessEvents.AddAccount(st.evm.Context.Coinbase, true, true)
}
}

6
core/vm/eips.go
Unescape View File

@ -342,7 +342,7 @@ 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.AccessEvents.CodeChunksRangeGas(addr, copyOffset, nonPaddedCopyLength, uint64(len(contract.Code)), false, false)
if !scope.Contract.UseGas(statelessGas, interpreter.evm.Config.Tracer, tracing.GasChangeUnspecified) {
scope.Contract.Gas = 0
return nil, ErrOutOfGas
@ -368,7 +368,7 @@ 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.AccessEvents.CodeChunksRangeGas(contractAddr, *pc+1, uint64(1), uint64(len(scope.Contract.Code)), false, false)
if !scope.Contract.UseGas(statelessGas, interpreter.evm.Config.Tracer, tracing.GasChangeUnspecified) {
scope.Contract.Gas = 0
return nil, ErrOutOfGas
@ -396,7 +396,7 @@ 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.AccessEvents.CodeChunksRangeGas(contractAddr, uint64(start), uint64(pushByteSize), uint64(len(scope.Contract.Code)), false, false)
if !scope.Contract.UseGas(statelessGas, interpreter.evm.Config.Tracer, tracing.GasChangeUnspecified) {
scope.Contract.Gas = 0
return nil, ErrOutOfGas

6
core/vm/evm.go
Unescape View File

@ -209,7 +209,7 @@ 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, false)
wgas := evm.AccessEvents.AddAccount(addr, false, false)
if gas < wgas {
evm.StateDB.RevertToSnapshot(snapshot)
return nil, 0, ErrOutOfGas
@ -552,11 +552,11 @@ func (evm *EVM) initNewContract(contract *Contract, address common.Address, valu
}
} else {
// Contract creation completed, touch the missing fields in the contract
if !contract.UseGas(evm.AccessEvents.AddAccount(address, true), evm.Config.Tracer, tracing.GasChangeWitnessContractCreation) {
if !contract.UseGas(evm.AccessEvents.AddAccount(address, true, true), evm.Config.Tracer, tracing.GasChangeWitnessContractCreation) {
return ret, ErrCodeStoreOutOfGas
}
if len(ret) > 0 && !contract.UseGas(evm.AccessEvents.CodeChunksRangeGas(address, 0, uint64(len(ret)), uint64(len(ret)), true), evm.Config.Tracer, tracing.GasChangeWitnessCodeChunk) {
if len(ret) > 0 && !contract.UseGas(evm.AccessEvents.CodeChunksRangeGas(address, 0, uint64(len(ret)), uint64(len(ret)), true, true), evm.Config.Tracer, tracing.GasChangeWitnessCodeChunk) {
return ret, ErrCodeStoreOutOfGas
}
}

4
core/vm/gas_table.go
Unescape View File

@ -396,7 +396,7 @@ 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(), address))
gas, overflow = math.SafeAdd(gas, evm.AccessEvents.ValueTransferGas(contract.Address(), address, !evm.StateDB.Exist(address)))
if overflow {
return 0, ErrGasUintOverflow
}
@ -432,7 +432,7 @@ 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(), address))
gas, overflow = math.SafeAdd(gas, evm.AccessEvents.ValueTransferGas(contract.Address(), address, !evm.StateDB.Exist(address)))
if overflow {
return 0, ErrGasUintOverflow
}

2
core/vm/interface.go
Unescape View File

@ -90,6 +90,8 @@ type StateDB interface {
AddPreimage(common.Hash, []byte)
Witness() *stateless.Witness
StateExists(common.Address, common.Hash) bool
}
// CallContext provides a basic interface for the EVM calling conventions. The EVM

2
core/vm/interpreter.go
Unescape View File

@ -229,7 +229,7 @@ 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.TxContext.AccessEvents.CodeChunksRangeGas(contractAddr, pc, 1, uint64(len(contract.Code)), false, false)
}
// Get the operation from the jump table and validate the stack to ensure there are

23
core/vm/operations_verkle.go
Unescape View File

@ -23,7 +23,8 @@ import (
)
func gasSStore4762(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
gas := evm.AccessEvents.SlotGas(contract.Address(), stack.peek().Bytes32(), true)
slotnr := stack.peek().Bytes32()
gas := evm.AccessEvents.SlotGas(contract.Address(), slotnr, true, !evm.StateDB.StateExists(contract.Address(), slotnr))
if gas == 0 {
gas = params.WarmStorageReadCostEIP2929
}
@ -31,7 +32,7 @@ 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(), stack.peek().Bytes32(), false)
gas := evm.AccessEvents.SlotGas(contract.Address(), stack.peek().Bytes32(), false, false)
if gas == 0 {
gas = params.WarmStorageReadCostEIP2929
}
@ -40,7 +41,7 @@ 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.BasicDataGas(address, false)
gas := evm.AccessEvents.BasicDataGas(address, false, false)
if gas == 0 {
gas = params.WarmStorageReadCostEIP2929
}
@ -52,7 +53,7 @@ func gasExtCodeSize4762(evm *EVM, contract *Contract, stack *Stack, mem *Memory,
if _, isPrecompile := evm.precompile(address); isPrecompile {
return 0, nil
}
gas := evm.AccessEvents.BasicDataGas(address, false)
gas := evm.AccessEvents.BasicDataGas(address, false, false)
if gas == 0 {
gas = params.WarmStorageReadCostEIP2929
}
@ -64,7 +65,7 @@ func gasExtCodeHash4762(evm *EVM, contract *Contract, stack *Stack, mem *Memory,
if _, isPrecompile := evm.precompile(address); isPrecompile {
return 0, nil
}
gas := evm.AccessEvents.CodeHashGas(address, false)
gas := evm.AccessEvents.CodeHashGas(address, false, false)
if gas == 0 {
gas = params.WarmStorageReadCostEIP2929
}
@ -101,15 +102,15 @@ func gasSelfdestructEIP4762(evm *EVM, contract *Contract, stack *Stack, mem *Mem
return 0, nil
}
contractAddr := contract.Address()
statelessGas := evm.AccessEvents.BasicDataGas(contractAddr, false)
statelessGas := evm.AccessEvents.BasicDataGas(contractAddr, false, false)
if contractAddr != beneficiaryAddr {
statelessGas += evm.AccessEvents.BasicDataGas(beneficiaryAddr, false)
statelessGas += evm.AccessEvents.BasicDataGas(beneficiaryAddr, false, false)
}
// Charge write costs if it transfers value
if evm.StateDB.GetBalance(contractAddr).Sign() != 0 {
statelessGas += evm.AccessEvents.BasicDataGas(contractAddr, true)
statelessGas += evm.AccessEvents.BasicDataGas(contractAddr, true, false)
if contractAddr != beneficiaryAddr {
statelessGas += evm.AccessEvents.BasicDataGas(beneficiaryAddr, true)
statelessGas += evm.AccessEvents.BasicDataGas(beneficiaryAddr, true, !evm.StateDB.Exist(beneficiaryAddr))
}
}
return statelessGas, nil
@ -130,7 +131,7 @@ 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(), copyOffset, nonPaddedCopyLength, uint64(len(contract.Code)), false)
gas += evm.AccessEvents.CodeChunksRangeGas(contract.Address(), copyOffset, nonPaddedCopyLength, uint64(len(contract.Code)), false, false)
}
return gas, nil
}
@ -142,7 +143,7 @@ func gasExtCodeCopyEIP4762(evm *EVM, contract *Contract, stack *Stack, mem *Memo
return 0, err
}
addr := common.Address(stack.peek().Bytes20())
wgas := evm.AccessEvents.BasicDataGas(addr, false)
wgas := evm.AccessEvents.BasicDataGas(addr, false, false)
if wgas == 0 {
wgas = params.WarmStorageReadCostEIP2929
}

Write Preview
Loading…
Cancel
Save