Make SlotsPerArchivedPoint configurable (#5888)

* Make slots per archived point configurable

* 256 -> 2048

* Use beaconconfig

beacon-chain/flags/base.go

@@ -111,7 +111,7 @@ var (
 	SlotsPerArchivedPoint = &cli.IntFlag{
 		Name:  "slots-per-archive-point",
 		Usage: "The slot durations of when an archived state gets saved in the DB.",
-		Value: 128,
+		Value: 2048,
 	}
 	// DisableDiscv5 disables running discv5.
 	DisableDiscv5 = &cli.BoolFlag{

beacon-chain/node/node.go

@@ -97,6 +97,12 @@ func NewBeaconNode(cliCtx *cli.Context) (*BeaconNode, error) {
 		params.LoadChainConfigFile(chainConfigFileName)
 	}
 
+	if cliCtx.IsSet(flags.SlotsPerArchivedPoint.Name) {
+		c := params.BeaconConfig()
+		c.SlotsPerArchivedPoint = uint64(cliCtx.Int(flags.SlotsPerArchivedPoint.Name))
+		params.OverrideBeaconConfig(c)
+	}
+
 	featureconfig.ConfigureBeaconChain(cliCtx)
 	flags.ConfigureGlobalFlags(cliCtx)
 	registry := shared.NewServiceRegistry()

beacon-chain/usage.go

@@ -98,6 +98,7 @@ var appHelpFlagGroups = []flagGroup{
 			flags.BlockBatchLimit,
 			flags.BlockBatchLimitBurstFactor,
 			flags.EnableDebugRPCEndpoints,
+			flags.SlotsPerArchivedPoint,
 		},
 	},
 	{

shared/params/config.go

@@ -203,7 +203,7 @@ var defaultBeaconConfig = &BeaconChainConfig{
 	EmptySignature:            [96]byte{},
 	DefaultPageSize:           250,
 	MaxPeersToSync:            15,
-	SlotsPerArchivedPoint:     256,
+	SlotsPerArchivedPoint:     2048,
 
 	// Slasher related values.
 	WeakSubjectivityPeriod:    54000,