save StorageConfiguration in Store

core/engine.go

@@ -43,7 +43,7 @@ func NewEngine(ctx context.Context, config *configuration.Runtime) (*Engine, err
 		logger:    slog.Default(), // TODO: replace with custom logger
 	}
 
-	go result.fetchAutomatically(config)
+	go result.fetchAutomatically()
 
 	return result, nil
 }
@@ -156,7 +156,7 @@ func (e *Engine) GetLastFetchedCycle() (int64, error) {
 	return e.store.GetLastFetchedCycle()
 }
 
-func (e *Engine) fetchAutomatically(config *configuration.Runtime) {
+func (e *Engine) fetchAutomatically() {
 	go func() {
 		for {
 			select {
@@ -194,7 +194,7 @@ func (e *Engine) fetchAutomatically(config *configuration.Runtime) {
 					if err = e.FetchCycleDelegationStates(e.ctx, cycle, nil); err != nil {
 						e.logger.Error("failed to fetch cycle delegation states", "cycle", cycle, "error", err.Error())
 					}
-					if err = e.store.PruneDelegationState(cycle, config); err != nil {
+					if err = e.store.PruneDelegationState(cycle); err != nil {
 						e.logger.Error("failed to prune cycles out", "error", err.Error())
 					}
 				}

store/store.go

@@ -14,7 +14,8 @@ import (
 )
 
 type Store struct {
-	db *gorm.DB
+	db     *gorm.DB
+	config configuration.StorageConfiguration
 }
 
 func NewStore(config *configuration.Runtime) (*Store, error) {
@@ -38,7 +39,8 @@ func NewStore(config *configuration.Runtime) (*Store, error) {
 	}
 	db.AutoMigrate(&StoredDelegationState{})
 	return &Store{
-		db: db,
+		db:     db,
+		config: config.Storage,
 	}, nil
 }
 
@@ -66,12 +68,12 @@ func (s *Store) StoreDelegationState(state *StoredDelegationState) error {
 	return nil
 }
 
-func (s *Store) PruneDelegationState(cycle int64, config *configuration.Runtime) error {
-	if config.Storage.Mode != constants.Rolling {
+func (s *Store) PruneDelegationState(cycle int64) error {
+	if s.config.Mode != constants.Rolling {
 		return nil
 	}
 
-	prunedCycle := cycle - int64(config.Storage.StoredCycles)
+	prunedCycle := cycle - int64(s.config.StoredCycles)
 	state := &StoredDelegationState{}
 	slog.Debug("pruning delegation states smaller than", "cycle", prunedCycle)
 	return s.db.Model(&StoredDelegationState{}).Where("cycle < ?", prunedCycle).Delete(state).Error