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refactor: run cleanup of consumed UTxOs at epoch rollover #691

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Merged
merged 1 commit into from
May 8, 2025
Merged

refactor: run cleanup of consumed UTxOs at epoch rollover #691

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2 changes: 2 additions & 0 deletions ledger/chainsync.go
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Original file line number Diff line number Diff line change
Expand Up @@ -397,6 +397,8 @@ func (ls *LedgerState) processEpochRollover(
"epoch", fmt.Sprintf("%+v", ls.currentEpoch),
"component", "ledger",
)
// Start background cleanup of consumed UTxOs
go ls.cleanupConsumedUtxos()
return nil
}

Expand Down
55 changes: 30 additions & 25 deletions ledger/state.go
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Original file line number Diff line number Diff line change
Expand Up @@ -205,35 +205,38 @@ func (ls *LedgerState) scheduleCleanupConsumedUtxos() {
ls.timerCleanupConsumedUtxos = time.AfterFunc(
cleanupConsumedUtxosInterval,
func() {
defer func() {
// Schedule the next run
ls.scheduleCleanupConsumedUtxos()
}()
// Get the current tip, since we're querying by slot
tip := ls.Tip()
// Delete UTxOs that are marked as deleted and older than our slot window
ls.config.Logger.Debug(
"cleaning up consumed UTxOs",
"component", "ledger",
)
ls.Lock()
err := ls.db.UtxosDeleteConsumed(
tip.Point.Slot-cleanupConsumedUtxosSlotWindow,
nil,
)
ls.Unlock()
if err != nil {
ls.config.Logger.Error(
"failed to cleanup consumed UTxOs",
"component", "ledger",
"error", err,
)
return
}
ls.cleanupConsumedUtxos()
// Schedule the next run
ls.scheduleCleanupConsumedUtxos()
},
)
}

func (ls *LedgerState) cleanupConsumedUtxos() {
// Get the current tip, since we're querying by slot
tip := ls.Tip()
// Delete UTxOs that are marked as deleted and older than our slot window
ls.config.Logger.Debug(
"cleaning up consumed UTxOs",
"component", "ledger",
)
if tip.Point.Slot > cleanupConsumedUtxosSlotWindow {
ls.Lock()
err := ls.db.UtxosDeleteConsumed(
tip.Point.Slot-cleanupConsumedUtxosSlotWindow,
nil,
)
ls.Unlock()
if err != nil {
ls.config.Logger.Error(
"failed to cleanup consumed UTxOs",
"component", "ledger",
"error", err,
)
}
}
}

func (ls *LedgerState) rollback(point ocommon.Point) error {
// Start a transaction
txn := ls.db.Transaction(true)
Expand Down Expand Up @@ -466,6 +469,7 @@ func (ls *LedgerState) ledgerProcessBlocks() {
shouldValidate := ls.config.ValidateHistorical
for {
if needsEpochRollover {
ls.Lock()
needsEpochRollover = false
txn := ls.db.Transaction(true)
err := txn.Do(func(txn *database.Txn) error {
Expand All @@ -484,6 +488,7 @@ func (ls *LedgerState) ledgerProcessBlocks() {
}
return nil
})
ls.Unlock()
if err != nil {
ls.config.Logger.Error(
"failed to process epoch rollover: " + err.Error(),
Expand Down
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