[#181] ir: Do not process container estimations by non-alphabet nodes

Signed-off-by: Pavel Karpy <p.karpy@yadro.com>

pkg/innerring/blocktimer.go

@@ -20,6 +20,10 @@ type (
 		EpochDuration() uint64
 	}
 
+	alphaState interface {
+		IsAlphabet() bool
+	}
+
 	subEpochEventHandler struct {
 		handler     event.Handler // handle to execute
 		durationMul uint32        // X: X/Y of epoch in blocks
@@ -31,6 +35,8 @@ type (
 	epochTimerArgs struct {
 		l *logger.Logger
 
+		alphabetState alphaState
+
 		newEpochHandlers []newEpochHandler
 
 		cnrWrapper *container.Client // to invoke stop container estimation
@@ -91,6 +97,11 @@ func newEpochTimer(args *epochTimerArgs) *timer.BlockTimer {
 		args.stopEstimationDMul,
 		args.stopEstimationDDiv,
 		func() {
+			if !args.alphabetState.IsAlphabet() {
+				args.l.Debug("non-alphabet mode, do not stop container estimations")
+				return
+			}
+
 			epochN := args.epoch.EpochCounter()
 			if epochN == 0 { // estimates are invalid in genesis epoch
 				return

pkg/innerring/processors/netmap/process_epoch.go

@@ -50,7 +50,7 @@ func (np *Processor) processNewEpoch(ev netmapEvent.NewEpoch) {
 	prm.SetEpoch(epoch - 1)
 	prm.SetHash(ev.TxHash())
 
-	if epoch > 0 { // estimates are invalid in genesis epoch
+	if epoch > 0 && np.alphabetState.IsAlphabet() { // estimates are invalid in genesis epoch
 		err = np.containerWrp.StartEstimation(prm)
 
 		if err != nil {