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only perform state reads in selfdestruct if we have sufficient gas to cover the state access costs

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This commit is contained in:
Jared Wasinger 2025-12-16 11:21:31 -08:00
parent c112198644
commit 00136d1735
3 changed files with 14 additions and 4 deletions
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6
core/state/bal_reader.go
View file

@ -143,10 +143,10 @@ func (r *BALReader) ModifiedAccounts() (res []common.Address) {
return res
}
func (r *BALReader) ValidateStateReads(allReads bal.StateAccesses) error {
func (r *BALReader) ValidateStateReads(computedReads bal.StateAccesses) error {
// 1. remove any slots from 'allReads' which were written
// 2. validate that the read set in the BAL matches 'allReads' exactly
for addr, reads := range allReads {
for addr, reads := range computedReads {
balAcctDiff := r.readAccountDiff(addr, len(r.block.Transactions())+2)
if balAcctDiff != nil {
for writeSlot := range balAcctDiff.StorageWrites {
@ -154,7 +154,7 @@ func (r *BALReader) ValidateStateReads(allReads bal.StateAccesses) error {
}
}
if _, ok := r.accesses[addr]; !ok {
return fmt.Errorf("%x wasn't in BAL", addr)
return fmt.Errorf("account %x was accessed during execution but is not present in the access list", addr)
}
expectedReads := r.accesses[addr].StorageReads

8
core/vm/gas_table.go
View file

@ -538,11 +538,19 @@ func gasStaticCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memo
func gasSelfdestruct(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
var gas uint64
fmt.Println("gasSelfdestruct")
// EIP150 homestead gas reprice fork:
if evm.chainRules.IsEIP150 {
gas = params.SelfdestructGasEIP150
var address = common.Address(stack.Back(0).Bytes20())
fmt.Println("okay we're")
if gas > contract.Gas {
fmt.Println("here")
return gas, nil
}
if evm.chainRules.IsEIP158 {
// if empty and transfers value
if evm.StateDB.Empty(address) && evm.StateDB.GetBalance(contract.Address()).Sign() != 0 {

4
core/vm/operations_acl.go
View file

@ -18,7 +18,6 @@ package vm
import (
"errors"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/math"
"github.com/ethereum/go-ethereum/core/tracing"
@ -269,6 +268,9 @@ func makeSelfdestructGasFn(refundsEnabled bool) gasFunc {
evm.StateDB.AddAddressToAccessList(address)
gas = params.ColdAccountAccessCostEIP2929
}
if contract.Gas < gas {
return gas, nil
}
// if empty and transfers value
if evm.StateDB.Empty(address) && evm.StateDB.GetBalance(contract.Address()).Sign() != 0 {
gas += params.CreateBySelfdestructGas