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add fn refundGas

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This commit is contained in:
Sina Mahmoodi 2024-03-07 12:15:57 +01:00
parent 935ff70d6d
commit 5bdbf07837
2 changed files with 17 additions and 30 deletions
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11
core/vm/contract.go
View file

@ -169,6 +169,17 @@ func (c *Contract) UseGas(gas uint64, logger *tracing.Hooks, reason tracing.GasC
return true
}
// RefundGas refunds gas to the contract
func (c *Contract) RefundGas(gas uint64, logger *tracing.Hooks, reason tracing.GasChangeReason) {
if gas == 0 {
return
}
if logger != nil && logger.OnGasChange != nil && reason != tracing.GasChangeIgnored {
logger.OnGasChange(c.Gas, c.Gas+gas, reason)
}
c.Gas += gas
}
// Address returns the contracts address
func (c *Contract) Address() common.Address {
return c.self.Address()

36
core/vm/instructions.go
View file

@ -604,11 +604,7 @@ func opCreate(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]b
}
scope.Stack.push(&stackvalue)
if interpreter.evm.Config.Tracer != nil && interpreter.evm.Config.Tracer.OnGasChange != nil && returnGas > 0 {
interpreter.evm.Config.Tracer.OnGasChange(scope.Contract.Gas, scope.Contract.Gas+returnGas, tracing.GasChangeCallLeftOverRefunded)
}
scope.Contract.Gas += returnGas
scope.Contract.RefundGas(returnGas, interpreter.evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
if suberr == ErrExecutionReverted {
interpreter.returnData = res // set REVERT data to return data buffer
@ -644,11 +640,7 @@ func opCreate2(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]
}
scope.Stack.push(&stackvalue)
if interpreter.evm.Config.Tracer != nil && interpreter.evm.Config.Tracer.OnGasChange != nil && returnGas > 0 {
interpreter.evm.Config.Tracer.OnGasChange(scope.Contract.Gas, scope.Contract.Gas+returnGas, tracing.GasChangeCallLeftOverRefunded)
}
scope.Contract.Gas += returnGas
scope.Contract.RefundGas(returnGas, interpreter.evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
if suberr == ErrExecutionReverted {
interpreter.returnData = res // set REVERT data to return data buffer
@ -688,11 +680,7 @@ func opCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byt
scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
if interpreter.evm.Config.Tracer != nil && interpreter.evm.Config.Tracer.OnGasChange != nil && returnGas > 0 {
interpreter.evm.Config.Tracer.OnGasChange(scope.Contract.Gas, scope.Contract.Gas+returnGas, tracing.GasChangeCallLeftOverRefunded)
}
scope.Contract.Gas += returnGas
scope.Contract.RefundGas(returnGas, interpreter.evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
interpreter.returnData = ret
return ret, nil
@ -725,11 +713,7 @@ func opCallCode(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
if interpreter.evm.Config.Tracer != nil && interpreter.evm.Config.Tracer.OnGasChange != nil && returnGas > 0 {
interpreter.evm.Config.Tracer.OnGasChange(scope.Contract.Gas, scope.Contract.Gas+returnGas, tracing.GasChangeCallLeftOverRefunded)
}
scope.Contract.Gas += returnGas
scope.Contract.RefundGas(returnGas, interpreter.evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
interpreter.returnData = ret
return ret, nil
@ -758,11 +742,7 @@ func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
if interpreter.evm.Config.Tracer != nil && interpreter.evm.Config.Tracer.OnGasChange != nil && returnGas > 0 {
interpreter.evm.Config.Tracer.OnGasChange(scope.Contract.Gas, scope.Contract.Gas+returnGas, tracing.GasChangeCallLeftOverRefunded)
}
scope.Contract.Gas += returnGas
scope.Contract.RefundGas(returnGas, interpreter.evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
interpreter.returnData = ret
return ret, nil
@ -791,11 +771,7 @@ func opStaticCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
if interpreter.evm.Config.Tracer != nil && interpreter.evm.Config.Tracer.OnGasChange != nil && returnGas > 0 {
interpreter.evm.Config.Tracer.OnGasChange(scope.Contract.Gas, scope.Contract.Gas+returnGas, tracing.GasChangeCallLeftOverRefunded)
}
scope.Contract.Gas += returnGas
scope.Contract.RefundGas(returnGas, interpreter.evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
interpreter.returnData = ret
return ret, nil