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core/vm: adds refund as part of the json standard trace (#17910)

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This adds the global accumulated refund counter to the standard
json output as a numeric json value. Previously this was not very
interesting since it was not used much, but with the new sstore
gas changes the value is a lot more interesting from a consensus
investigation perspective.
This commit is contained in:
Martin Holst Swende
2018-10-23 16:28:18 +02:00
committed by Felix Lange
parent 3088c122d8
commit 4c0883e20d
6 changed files with 79 additions and 51 deletions
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23
core/vm/logger.go
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@ -56,16 +56,17 @@ type LogConfig struct {
// StructLog is emitted to the EVM each cycle and lists information about the current internal state
// prior to the execution of the statement.
type StructLog struct {
Pc uint64 `json:"pc"`
Op OpCode `json:"op"`
Gas uint64 `json:"gas"`
GasCost uint64 `json:"gasCost"`
Memory []byte `json:"memory"`
MemorySize int `json:"memSize"`
Stack []*big.Int `json:"stack"`
Storage map[common.Hash]common.Hash `json:"-"`
Depth int `json:"depth"`
Err error `json:"-"`
Pc uint64 `json:"pc"`
Op OpCode `json:"op"`
Gas uint64 `json:"gas"`
GasCost uint64 `json:"gasCost"`
Memory []byte `json:"memory"`
MemorySize int `json:"memSize"`
Stack []*big.Int `json:"stack"`
Storage map[common.Hash]common.Hash `json:"-"`
Depth int `json:"depth"`
RefundCounter uint64 `json:"refund"`
Err error `json:"-"`
}
// overrides for gencodec
@ -177,7 +178,7 @@ func (l *StructLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost ui
storage = l.changedValues[contract.Address()].Copy()
}
// create a new snaptshot of the EVM.
log := StructLog{pc, op, gas, cost, mem, memory.Len(), stck, storage, depth, err}
log := StructLog{pc, op, gas, cost, mem, memory.Len(), stck, storage, depth, env.StateDB.GetRefund(), err}
l.logs = append(l.logs, log)
return nil