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clear logs on call fail

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This commit is contained in:
Sina Mahmoodi 2023-09-05 16:47:42 +02:00
parent fe3bb832bf
commit 906d93a330
1 changed files with 30 additions and 7 deletions
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37
internal/ethapi/transfertracer.go
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@ -45,7 +45,10 @@ var transferTopic = common.HexToHash("ddf252ad1be2c89b69c2b068fc378daa952ba7f163
//
// TODO: embed noopTracer
type tracer struct {
logs []*types.Log
// logs keeps logs for all open call frames.
// This lets us clear logs for failed logs.
logs [][]*types.Log
count int
traceTransfers bool
// TODO: replace with tracers.Context once extended tracer PR is merged.
blockNumber uint64
@ -56,7 +59,7 @@ type tracer struct {
func newTracer(traceTransfers bool, blockNumber uint64, blockHash, txHash common.Hash, txIdx uint) *tracer {
return &tracer{
logs: make([]*types.Log, 0),
logs: make([][]*types.Log, 1),
traceTransfers: traceTransfers,
blockNumber: blockNumber,
blockHash: blockHash,
@ -72,6 +75,9 @@ func (t *tracer) CaptureStart(env *vm.EVM, from common.Address, to common.Addres
}
func (t *tracer) CaptureEnd(output []byte, gasUsed uint64, err error) {
if err != nil {
t.logs[0] = nil
}
}
func (t *tracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
@ -109,6 +115,7 @@ func (t *tracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope *
}
func (t *tracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
t.logs = append(t.logs, make([]*types.Log, 0))
toCopy := to
if value != nil && value.Cmp(common.Big0) > 0 {
t.captureTransfer(from, toCopy, value)
@ -117,14 +124,29 @@ func (t *tracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Addr
// CaptureExit is called when EVM exits a scope, even if the scope didn't
// execute any code.
func (t *tracer) CaptureExit(output []byte, gasUsed uint64, err error) {}
func (t *tracer) CaptureExit(output []byte, gasUsed uint64, err error) {
size := len(t.logs)
if size <= 1 {
return
}
// pop call
call := t.logs[size-1]
t.logs = t.logs[:size-1]
size--
// Clear logs if call failed.
if err == nil {
t.logs[size-1] = append(t.logs[size-1], call...)
}
}
func (t *tracer) CaptureTxStart(gasLimit uint64) {}
func (t *tracer) CaptureTxEnd(restGas uint64) {}
func (t *tracer) CaptureTxEnd(restGas uint64) {
}
func (t *tracer) captureLog(address common.Address, topics []common.Hash, data []byte) {
t.logs = append(t.logs, &types.Log{
t.logs[len(t.logs)-1] = append(t.logs[len(t.logs)-1], &types.Log{
Address: address,
Topics: topics,
Data: data,
@ -132,8 +154,9 @@ func (t *tracer) captureLog(address common.Address, topics []common.Hash, data [
BlockHash: t.blockHash,
TxHash: t.txHash,
TxIndex: t.txIdx,
Index: uint(len(t.logs)),
Index: uint(t.count),
})
t.count++
}
func (t *tracer) captureTransfer(from, to common.Address, value *big.Int) {
@ -149,7 +172,7 @@ func (t *tracer) captureTransfer(from, to common.Address, value *big.Int) {
}
func (t *tracer) Logs() []*types.Log {
return t.logs
return t.logs[0]
}
// TODO: remove once extended tracer PR is merged.