cmd/frostfs-adm/internal/commonflags/flags.go

@@ -39,4 +39,5 @@ const (
 	CustomZoneFlag                  = "domain"
 	AlphabetSizeFlag                = "size"
 	AllFlag                         = "all"
+	DeltaFlag                       = "delta"
 )

cmd/frostfs-adm/internal/modules/morph/helper/netmap.go

@@ -72,13 +72,17 @@ func InvalidConfigValueErr(key string) error {
 	return fmt.Errorf("invalid %s config value from netmap contract", key)
 }
 
-func EmitNewEpochCall(bw *io.BufBinWriter, wCtx *InitializeContext, nmHash util.Uint160) error {
+func EmitNewEpochCall(bw *io.BufBinWriter, wCtx *InitializeContext, nmHash util.Uint160, countEpoch int64) error {
+	if countEpoch <= 0 {
+		return errors.New("number of epochs cannot be less than 1")
+	}
+
 	curr, err := unwrap.Int64(wCtx.ReadOnlyInvoker.Call(nmHash, "epoch"))
 	if err != nil {
 		return errors.New("can't fetch current epoch from the netmap contract")
 	}
 
-	newEpoch := curr + 1
+	newEpoch := curr + countEpoch
 	wCtx.Command.Printf("Current epoch: %d, increase to %d.\n", curr, newEpoch)
 
 	// In NeoFS this is done via Notary contract. Here, however, we can form the

cmd/frostfs-adm/internal/modules/morph/netmap/epoch.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"strings"
 
+	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/commonflags"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/morph/constants"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/morph/helper"
 	"github.com/nspcc-dev/neo-go/pkg/io"
@@ -30,7 +31,7 @@ func ForceNewEpochCmd(cmd *cobra.Command, _ []string) error {
 	}
 
 	bw := io.NewBufBinWriter()
-	if err := helper.EmitNewEpochCall(bw, wCtx, nmHash); err != nil {
+	if err := helper.EmitNewEpochCall(bw, wCtx, nmHash, viper.GetInt64(commonflags.DeltaFlag)); err != nil {
 		return err
 	}
 

cmd/frostfs-adm/internal/modules/morph/netmap/root.go

@@ -22,6 +22,7 @@ var (
 		PreRun: func(cmd *cobra.Command, _ []string) {
 			_ = viper.BindPFlag(commonflags.AlphabetWalletsFlag, cmd.Flags().Lookup(commonflags.AlphabetWalletsFlag))
 			_ = viper.BindPFlag(commonflags.EndpointFlag, cmd.Flags().Lookup(commonflags.EndpointFlag))
+			_ = viper.BindPFlag(commonflags.DeltaFlag, cmd.Flags().Lookup(commonflags.DeltaFlag))
 		},
 		RunE: ForceNewEpochCmd,
 	}
@@ -35,6 +36,7 @@ func initForceNewEpochCmd() {
 	ForceNewEpoch.Flags().String(commonflags.AlphabetWalletsFlag, "", commonflags.AlphabetWalletsFlagDesc)
 	ForceNewEpoch.Flags().StringP(commonflags.EndpointFlag, commonflags.EndpointFlagShort, "", commonflags.EndpointFlagDesc)
 	ForceNewEpoch.Flags().String(commonflags.LocalDumpFlag, "", "Path to the blocks dump file")
+	ForceNewEpoch.Flags().Int64(commonflags.DeltaFlag, 1, "Number of epochs to increase the current epoch")
 }
 
 func init() {

cmd/frostfs-adm/internal/modules/morph/node/remove.go

@@ -53,7 +53,7 @@ func RemoveNodesCmd(cmd *cobra.Command, args []string) error {
 			int64(netmapcontract.NodeStateOffline), nodeKeys[i].Bytes())
 	}
 
-	if err := helper.EmitNewEpochCall(bw, wCtx, nmHash); err != nil {
+	if err := helper.EmitNewEpochCall(bw, wCtx, nmHash, 1); err != nil {
 		return err
 	}