Merge branch 'ryan/allow-disable-history-drop' into 'main'

Allow history drop to be disabled

See merge request flarenetwork/FSP/flare-system-c-chain-indexer!68

Author: ryanc-flare

README.md

@@ -49,7 +49,7 @@ username = "root"
 password = "root"
 log_queries = false
 drop_table_at_start = true
-history_drop = 604800 # Enable deleting the transactions and logs in DB that are older (timestamp of the block) than history_drop (in seconds); set 0 or skip to turn off; defaults to 7 days for Flare/Songbird and 2 days for Coston*
+history_drop = 604800 # Enable deleting the transactions and logs in DB that are older (timestamp of the block) than history_drop (in seconds); set 0 to turn off; defaults to 7 days for Flare/Songbird and 2 days for Coston*
 
 [logger]
 level = "INFO"

config/config.go

@@ -105,15 +105,16 @@ func (db *DBConfig) GetHistoryDrop(ctx context.Context, chainIDBig *big.Int) (ui
 		return minHistoryDropSeconds, nil // Use default if not set
 	}
 
-	if *db.HistoryDrop < minHistoryDropSeconds {
+	historyDrop := *db.HistoryDrop
+	if historyDrop != 0 && historyDrop < minHistoryDropSeconds {
 		return 0, errors.Errorf(
 			"history drop must be at least %d seconds, got %d seconds",
 			minHistoryDropSeconds,
 			db.HistoryDrop,
 		)
 	}
 
-	return *db.HistoryDrop, nil
+	return historyDrop, nil
 }
 
 type ChainConfig struct {

main.go

@@ -80,7 +80,11 @@ func run(ctx context.Context) error {
 	if cfg.DB.HistoryDrop == nil {
 		logger.Info("Using default history drop value of %.1f days", historyDropDays)
 	} else {
-		logger.Info("Using configured history drop value of %.1f days", historyDropDays)
+		if *cfg.DB.HistoryDrop == 0 {
+			logger.Info("History drop disabled")
+		} else {
+			logger.Info("Using configured history drop value of %.1f days", historyDropDays)
+		}
 	}
 
 	if historyDrop > 0 {