[#493] node: Abolish some of the Policer's configurations

Make work scope and expansion rate the app-side constants since Policer
independently regulates the amount of work performed.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

cmd/neofs-node/config.go

@@ -92,8 +92,6 @@ const (
 	// config keys for cfgReputation
 	cfgReputationContract = "reputation.scripthash"
 
-	cfgPolicerWorkScope   = "policer.work_scope"
-	cfgPolicerExpRate     = "policer.expansion_rate"
 	cfgPolicerHeadTimeout = "policer.head_timeout"
 
 	cfgReplicatorPutTimeout = "replicator.put_timeout"
@@ -462,8 +460,6 @@ func defaultConfiguration(v *viper.Viper) {
 
 	v.SetDefault(cfgMetricsShutdownTimeout, "30s")
 
-	v.SetDefault(cfgPolicerWorkScope, 100)
-	v.SetDefault(cfgPolicerExpRate, 10) // in %
 	v.SetDefault(cfgPolicerHeadTimeout, 5*time.Second)
 
 	v.SetDefault(cfgReplicatorPutTimeout, 5*time.Second)

cmd/neofs-node/object.go

@@ -194,12 +194,8 @@ func initObjectService(c *cfg) {
 		policer.WithPlacementBuilder(
 			placement.NewNetworkMapSourceBuilder(c.cfgObject.netMapStorage),
 		),
-		policer.WithWorkScope(
-			c.viper.GetInt(cfgPolicerWorkScope),
-		),
-		policer.WithExpansionRate(
-			c.viper.GetInt(cfgPolicerExpRate),
-		),
+		policer.WithWorkScope(100),
+		policer.WithExpansionRate(10),
 		policer.WithTrigger(ch),
 		policer.WithRemoteHeader(
 			headsvc.NewRemoteHeader(keyStorage, clientConstructor),