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eth/tracers: add WithRemovedLog option to mark failed logs as removed

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levin.l 2025-11-17 13:04:57 +08:00
parent 5e6f7374de
commit ceee9c9f6c
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1 changed files with 14 additions and 6 deletions
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14
eth/tracers/native/call.go
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@ -45,6 +45,7 @@ type callLog struct {
// Position of the log relative to subcalls within the same trace // Position of the log relative to subcalls within the same trace
// See https://github.com/ethereum/go-ethereum/pull/28389 for details // See https://github.com/ethereum/go-ethereum/pull/28389 for details
Position hexutil.Uint `json:"position"` Position hexutil.Uint `json:"position"`
Removed bool `json:"removed,omitempty"`
} }
type callFrame struct { type callFrame struct {
@ -122,6 +123,7 @@ type callTracer struct {
type callTracerConfig struct { type callTracerConfig struct {
OnlyTopCall bool `json:"onlyTopCall"` // If true, call tracer won't collect any subcalls OnlyTopCall bool `json:"onlyTopCall"` // If true, call tracer won't collect any subcalls
WithLog bool `json:"withLog"` // If true, call tracer will collect event logs WithLog bool `json:"withLog"` // If true, call tracer will collect event logs
WithRemovedLog bool `json:"withRemovedLog"` // If true, mark failed logs as removed instead of deleting them
} }
// newCallTracer returns a native go tracer which tracks // newCallTracer returns a native go tracer which tracks
@ -229,7 +231,7 @@ func (t *callTracer) OnTxEnd(receipt *types.Receipt, err error) {
} }
if t.config.WithLog { if t.config.WithLog {
// Logs are not emitted when the call fails // Logs are not emitted when the call fails
clearFailedLogs(&t.callstack[0], false) clearFailedLogs(&t.callstack[0], false, t.config.WithRemovedLog)
} }
} }
@ -277,13 +279,19 @@ func (t *callTracer) Stop(err error) {
// clearFailedLogs clears the logs of a callframe and all its children // clearFailedLogs clears the logs of a callframe and all its children
// in case of execution failure. // in case of execution failure.
func clearFailedLogs(cf *callFrame, parentFailed bool) { func clearFailedLogs(cf *callFrame, parentFailed bool, withRemovedLog bool) {
failed := cf.failed() || parentFailed failed := cf.failed() || parentFailed
// Clear own logs // Clear own logs
if failed { if failed {
if withRemovedLog {
for i := range cf.Logs {
cf.Logs[i].Removed = true
}
} else {
cf.Logs = nil cf.Logs = nil
} }
}
for i := range cf.Calls { for i := range cf.Calls {
clearFailedLogs(&cf.Calls[i], failed) clearFailedLogs(&cf.Calls[i], failed, withRemovedLog)
} }
} }