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core/vm: easier logic

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This commit is contained in:
Marius van der Wijden 2026-04-08 15:13:05 +02:00
parent 3e37ed1b82
commit 0578ebbe1a
2 changed files with 15 additions and 14 deletions
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4
core/vm/contract.go
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@ -141,7 +141,7 @@ func (c *Contract) UseGas(gas GasCosts, logger *tracing.Hooks, reason tracing.Ga
// RefundGas refunds gas to the contract. gasUsed carries the child frame's
// accumulated gas usage metrics (EIP-8037), incorporated on both success and error.
func (c *Contract) RefundGas(err error, gas GasCosts, gasUsed GasUsed, logger *tracing.Hooks, reason tracing.GasChangeReason) {
func (c *Contract) RefundGas(err error, initialRegularGasUsed uint64, gas GasCosts, gasUsed GasUsed, logger *tracing.Hooks, reason tracing.GasChangeReason) {
// If the preceding call errored, return the state gas
// to the parent call
if err != nil {
@ -157,7 +157,7 @@ func (c *Contract) RefundGas(err error, gas GasCosts, gasUsed GasUsed, logger *t
c.Gas.RegularGas += gas.RegularGas
c.Gas.StateGas = gas.StateGas
c.GasUsed.StateGasCharged += gasUsed.StateGasCharged
c.GasUsed.RegularGasUsed += gasUsed.RegularGasUsed
c.GasUsed.RegularGasUsed = initialRegularGasUsed + gasUsed.RegularGasUsed
}
// Address returns the contracts address

25
core/vm/instructions.go
View file

@ -673,8 +673,8 @@ func opCreate(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
// reuse size int for stackvalue
stackvalue := size
regularGasUsed := scope.Contract.GasUsed.RegularGasUsed
scope.Contract.UseGas(GasCosts{RegularGas: gas.RegularGas}, evm.Config.Tracer, tracing.GasChangeCallContractCreation)
scope.Contract.GasUsed.RegularGasUsed -= gas.RegularGas // escrow: undo parent's RGU for forwarded gas
res, addr, returnGas, childGasUsed, suberr := evm.Create(scope.Contract.Address(), input, GasCosts{RegularGas: gas.RegularGas, StateGas: scope.Contract.Gas.StateGas}, &value)
// Push item on the stack based on the returned error. If the ruleset is
@ -690,7 +690,7 @@ func opCreate(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
}
scope.Stack.push(&stackvalue)
scope.Contract.RefundGas(suberr, returnGas, childGasUsed, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
scope.Contract.RefundGas(suberr, regularGasUsed, returnGas, childGasUsed, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
if suberr == ErrExecutionReverted {
evm.returnData = res // set REVERT data to return data buffer
@ -724,8 +724,9 @@ func opCreate2(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
}
}
regularGasUsed := scope.Contract.GasUsed.RegularGasUsed
scope.Contract.UseGas(GasCosts{RegularGas: gas.RegularGas}, evm.Config.Tracer, tracing.GasChangeCallContractCreation2)
scope.Contract.GasUsed.RegularGasUsed -= gas.RegularGas // escrow: undo parent's RGU for forwarded gas
// reuse size int for stackvalue
stackvalue := size
res, addr, returnGas, childGasUsed, suberr := evm.Create2(scope.Contract.Address(), input, GasCosts{RegularGas: gas.RegularGas, StateGas: scope.Contract.Gas.StateGas},
@ -738,7 +739,7 @@ func opCreate2(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
}
scope.Stack.push(&stackvalue)
scope.Contract.RefundGas(suberr, returnGas, childGasUsed, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
scope.Contract.RefundGas(suberr, regularGasUsed, returnGas, childGasUsed, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
if suberr == ErrExecutionReverted {
evm.returnData = res // set REVERT data to return data buffer
@ -766,7 +767,7 @@ func opCall(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
if !value.IsZero() {
gas += params.CallStipend
}
scope.Contract.GasUsed.RegularGasUsed -= gas // escrow: undo parent's RGU for forwarded gas
regularGasUsed := scope.Contract.GasUsed.RegularGasUsed
ret, returnGas, childGasUsed, err := evm.Call(scope.Contract.Address(), toAddr, args, GasCosts{RegularGas: gas, StateGas: scope.Contract.Gas.StateGas}, &value)
if err != nil {
@ -779,7 +780,7 @@ func opCall(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
scope.Contract.RefundGas(err, returnGas, childGasUsed, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
scope.Contract.RefundGas(err, regularGasUsed, returnGas, childGasUsed, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
evm.returnData = ret
return ret, nil
@ -801,7 +802,7 @@ func opCallCode(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
gas += params.CallStipend
}
scope.Contract.GasUsed.RegularGasUsed -= gas // escrow
regularGasUsed := scope.Contract.GasUsed.RegularGasUsed
ret, returnGas, childGasUsed, err := evm.CallCode(scope.Contract.Address(), toAddr, args, GasCosts{RegularGas: gas, StateGas: scope.Contract.Gas.StateGas}, &value)
if err != nil {
temp.Clear()
@ -813,7 +814,7 @@ func opCallCode(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
scope.Contract.RefundGas(err, returnGas, childGasUsed, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
scope.Contract.RefundGas(err, regularGasUsed, returnGas, childGasUsed, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
evm.returnData = ret
return ret, nil
@ -831,7 +832,7 @@ func opDelegateCall(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
// Get arguments from the memory.
args := scope.Memory.GetPtr(inOffset.Uint64(), inSize.Uint64())
scope.Contract.GasUsed.RegularGasUsed -= gas // escrow
regularGasUsed := scope.Contract.GasUsed.RegularGasUsed
ret, returnGas, childGasUsed, err := evm.DelegateCall(scope.Contract.Caller(), scope.Contract.Address(), toAddr, args, GasCosts{RegularGas: gas, StateGas: scope.Contract.Gas.StateGas}, scope.Contract.value)
if err != nil {
temp.Clear()
@ -843,7 +844,7 @@ func opDelegateCall(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
scope.Contract.RefundGas(err, returnGas, childGasUsed, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
scope.Contract.RefundGas(err, regularGasUsed, returnGas, childGasUsed, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
evm.returnData = ret
return ret, nil
@ -861,7 +862,7 @@ func opStaticCall(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
// Get arguments from the memory.
args := scope.Memory.GetPtr(inOffset.Uint64(), inSize.Uint64())
scope.Contract.GasUsed.RegularGasUsed -= gas // escrow
regularGasUsed := scope.Contract.GasUsed.RegularGasUsed
ret, returnGas, childGasUsed, err := evm.StaticCall(scope.Contract.Address(), toAddr, args, GasCosts{RegularGas: gas, StateGas: scope.Contract.Gas.StateGas})
if err != nil {
temp.Clear()
@ -873,7 +874,7 @@ func opStaticCall(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
scope.Contract.RefundGas(err, returnGas, childGasUsed, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
scope.Contract.RefundGas(err, regularGasUsed, returnGas, childGasUsed, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
evm.returnData = ret
return ret, nil