Move to frostfs-node

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

cmd/frostfs-adm/internal/modules/config/config.go

@@ -0,0 +1,166 @@
+package config
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"path/filepath"
+	"text/template"
+
+	"github.com/TrueCloudLab/frostfs-node/pkg/innerring"
+	"github.com/nspcc-dev/neo-go/cli/input"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+type configTemplate struct {
+	Endpoint                string
+	AlphabetDir             string
+	MaxObjectSize           int
+	EpochDuration           int
+	BasicIncomeRate         int
+	AuditFee                int
+	CandidateFee            int
+	ContainerFee            int
+	ContainerAliasFee       int
+	WithdrawFee             int
+	Glagolitics             []string
+	HomomorphicHashDisabled bool
+}
+
+const configTxtTemplate = `rpc-endpoint: {{ .Endpoint}}
+alphabet-wallets: {{ .AlphabetDir}}
+network:
+  max_object_size: {{ .MaxObjectSize}}
+  epoch_duration: {{ .EpochDuration}}
+  basic_income_rate: {{ .BasicIncomeRate}}
+  homomorphic_hash_disabled: {{ .HomomorphicHashDisabled}}
+  fee:
+    audit: {{ .AuditFee}}
+    candidate: {{ .CandidateFee}}
+    container: {{ .ContainerFee}}
+    container_alias: {{ .ContainerAliasFee }}
+    withdraw: {{ .WithdrawFee}}
+# if credentials section is omitted, then frostfs-adm will require manual password input
+credentials:
+  contract: password # wallet for contract group signature{{ range.Glagolitics}}
+  {{.}}: password{{end}}
+`
+
+func initConfig(cmd *cobra.Command, args []string) error {
+	configPath, err := readConfigPathFromArgs(cmd)
+	if err != nil {
+		return nil
+	}
+
+	pathDir := filepath.Dir(configPath)
+	err = os.MkdirAll(pathDir, 0700)
+	if err != nil {
+		return fmt.Errorf("create dir %s: %w", pathDir, err)
+	}
+
+	f, err := os.OpenFile(configPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_SYNC, 0600)
+	if err != nil {
+		return fmt.Errorf("open %s: %w", configPath, err)
+	}
+	defer f.Close()
+
+	configText, err := generateConfigExample(pathDir, 7)
+	if err != nil {
+		return err
+	}
+
+	_, err = f.WriteString(configText)
+	if err != nil {
+		return fmt.Errorf("writing to %s: %w", configPath, err)
+	}
+
+	cmd.Printf("Initial config file saved to %s\n", configPath)
+
+	return nil
+}
+
+func readConfigPathFromArgs(cmd *cobra.Command) (string, error) {
+	configPath, err := cmd.Flags().GetString(configPathFlag)
+	if err != nil {
+		return "", err
+	}
+
+	if configPath != "" {
+		return configPath, nil
+	}
+
+	return defaultConfigPath()
+}
+
+func defaultConfigPath() (string, error) {
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return "", fmt.Errorf("getting home dir path: %w", err)
+	}
+
+	return filepath.Join(home, ".frostfs", "adm", "config.yml"), nil
+}
+
+// generateConfigExample builds .yml representation of the config file. It is
+// easier to build it manually with template instead of using viper, because we
+// want to order records in specific order in file and, probably, provide
+// some comments as well.
+func generateConfigExample(appDir string, credSize int) (string, error) {
+	tmpl := configTemplate{
+		Endpoint:                "https://neo.rpc.node:30333",
+		MaxObjectSize:           67108864,      // 64 MiB
+		EpochDuration:           240,           // 1 hour with 15s per block
+		BasicIncomeRate:         1_0000_0000,   // 0.0001 GAS per GiB (Fixed12)
+		HomomorphicHashDisabled: false,         // object homomorphic hash is enabled
+		AuditFee:                1_0000,        // 0.00000001 GAS per audit (Fixed12)
+		CandidateFee:            100_0000_0000, // 100.0 GAS (Fixed8)
+		ContainerFee:            1000,          // 0.000000001 * 7 GAS per container (Fixed12)
+		ContainerAliasFee:       500,           // ContainerFee / 2
+		WithdrawFee:             1_0000_0000,   // 1.0 GAS (Fixed8)
+		Glagolitics:             make([]string, 0, credSize),
+	}
+
+	appDir, err := filepath.Abs(appDir)
+	if err != nil {
+		return "", fmt.Errorf("making absolute path for %s: %w", appDir, err)
+	}
+	tmpl.AlphabetDir = filepath.Join(appDir, "alphabet-wallets")
+
+	var i innerring.GlagoliticLetter
+	for i = 0; i < innerring.GlagoliticLetter(credSize); i++ {
+		tmpl.Glagolitics = append(tmpl.Glagolitics, i.String())
+	}
+
+	t, err := template.New("config.yml").Parse(configTxtTemplate)
+	if err != nil {
+		return "", fmt.Errorf("parsing config template: %w", err)
+	}
+
+	buf := bytes.NewBuffer(nil)
+
+	err = t.Execute(buf, tmpl)
+	if err != nil {
+		return "", fmt.Errorf("generating config from template: %w", err)
+	}
+
+	return buf.String(), nil
+}
+
+func GetPassword(v *viper.Viper, name string) (string, error) {
+	key := "credentials." + name
+	if v.IsSet(key) {
+		return v.GetString(key), nil
+	}
+
+	prompt := "Password for " + name + " wallet > "
+	return input.ReadPassword(prompt)
+}
+
+func GetStoragePassword(v *viper.Viper, name string) (string, error) {
+	key := "storage." + name
+	if name != "" && v.IsSet(key) {
+		return v.GetString(key), nil
+	}
+	return input.ReadPassword("New password > ")
+}

cmd/frostfs-adm/internal/modules/config/config_test.go

@@ -0,0 +1,46 @@
+package config
+
+import (
+	"bytes"
+	"path/filepath"
+	"testing"
+
+	"github.com/TrueCloudLab/frostfs-node/pkg/innerring"
+	"github.com/spf13/viper"
+	"github.com/stretchr/testify/require"
+)
+
+func TestGenerateConfigExample(t *testing.T) {
+	const (
+		n      = 10
+		appDir = "/home/example/.frostfs"
+	)
+
+	configText, err := generateConfigExample(appDir, n)
+	require.NoError(t, err)
+
+	v := viper.New()
+	v.SetConfigType("yml")
+
+	require.NoError(t, v.ReadConfig(bytes.NewBufferString(configText)))
+
+	require.Equal(t, "https://neo.rpc.node:30333", v.GetString("rpc-endpoint"))
+	require.Equal(t, filepath.Join(appDir, "alphabet-wallets"), v.GetString("alphabet-wallets"))
+	require.Equal(t, 67108864, v.GetInt("network.max_object_size"))
+	require.Equal(t, 240, v.GetInt("network.epoch_duration"))
+	require.Equal(t, 100000000, v.GetInt("network.basic_income_rate"))
+	require.Equal(t, 10000, v.GetInt("network.fee.audit"))
+	require.Equal(t, 10000000000, v.GetInt("network.fee.candidate"))
+	require.Equal(t, 1000, v.GetInt("network.fee.container"))
+	require.Equal(t, 100000000, v.GetInt("network.fee.withdraw"))
+
+	var i innerring.GlagoliticLetter
+	for i = 0; i < innerring.GlagoliticLetter(n); i++ {
+		key := "credentials." + i.String()
+		require.Equal(t, "password", v.GetString(key))
+	}
+	require.Equal(t, "password", v.GetString("credentials.contract"))
+
+	key := "credentials." + i.String()
+	require.Equal(t, "", v.GetString(key))
+}

cmd/frostfs-adm/internal/modules/config/root.go

@@ -0,0 +1,29 @@
+package config
+
+import (
+	"github.com/spf13/cobra"
+)
+
+const configPathFlag = "path"
+
+var (
+	// RootCmd is a root command of config section.
+	RootCmd = &cobra.Command{
+		Use:   "config",
+		Short: "Section for frostfs-adm config related commands",
+	}
+
+	initCmd = &cobra.Command{
+		Use:   "init",
+		Short: "Initialize basic frostfs-adm configuration file",
+		Example: `frostfs-adm config init
+frostfs-adm config init --path .config/frostfs-adm.yml`,
+		RunE: initConfig,
+	}
+)
+
+func init() {
+	RootCmd.AddCommand(initCmd)
+
+	initCmd.Flags().String(configPathFlag, "", "Path to config (default ~/.frostfs/adm/config.yml)")
+}

cmd/frostfs-adm/internal/modules/config/util.go

@@ -0,0 +1,24 @@
+package config
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// ResolveHomePath replaces leading `~`
+// with home directory.
+//
+// Does nothing if path does not start
+// with contain `~`.
+func ResolveHomePath(path string) string {
+	homeDir, _ := os.UserHomeDir()
+
+	if path == "~" {
+		path = homeDir
+	} else if strings.HasPrefix(path, "~/") {
+		path = filepath.Join(homeDir, path[2:])
+	}
+
+	return path
+}

cmd/frostfs-adm/internal/modules/morph/balance.go

@@ -0,0 +1,241 @@
+package morph
+
+import (
+	"crypto/elliptic"
+	"errors"
+	"fmt"
+	"math/big"
+
+	"github.com/TrueCloudLab/frostfs-contract/nns"
+	"github.com/TrueCloudLab/frostfs-sdk-go/netmap"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/noderoles"
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/gas"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/rolemgmt"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+type accBalancePair struct {
+	scriptHash util.Uint160
+	balance    *big.Int
+}
+
+const (
+	dumpBalancesStorageFlag       = "storage"
+	dumpBalancesAlphabetFlag      = "alphabet"
+	dumpBalancesProxyFlag         = "proxy"
+	dumpBalancesUseScriptHashFlag = "script-hash"
+
+	// notaryEnabled signifies whether contracts were deployed in a notary-enabled environment.
+	// The setting is here to simplify testing and building the command for testnet (notary currently disabled).
+	// It will be removed eventually.
+	notaryEnabled = true
+)
+
+func dumpBalances(cmd *cobra.Command, _ []string) error {
+	var (
+		dumpStorage, _  = cmd.Flags().GetBool(dumpBalancesStorageFlag)
+		dumpAlphabet, _ = cmd.Flags().GetBool(dumpBalancesAlphabetFlag)
+		dumpProxy, _    = cmd.Flags().GetBool(dumpBalancesProxyFlag)
+		nnsCs           *state.Contract
+		nmHash          util.Uint160
+	)
+
+	c, err := getN3Client(viper.GetViper())
+	if err != nil {
+		return err
+	}
+
+	inv := invoker.New(c, nil)
+
+	if !notaryEnabled || dumpStorage || dumpAlphabet || dumpProxy {
+		nnsCs, err = c.GetContractStateByID(1)
+		if err != nil {
+			return fmt.Errorf("can't get NNS contract info: %w", err)
+		}
+
+		nmHash, err = nnsResolveHash(inv, nnsCs.Hash, netmapContract+".frostfs")
+		if err != nil {
+			return fmt.Errorf("can't get netmap contract hash: %w", err)
+		}
+	}
+
+	irList, err := fetchIRNodes(c, nmHash, rolemgmt.Hash)
+	if err != nil {
+		return err
+	}
+
+	if err := fetchBalances(inv, gas.Hash, irList); err != nil {
+		return err
+	}
+	printBalances(cmd, "Inner ring nodes balances:", irList)
+
+	if dumpStorage {
+		arr, err := unwrap.Array(inv.Call(nmHash, "netmap"))
+		if err != nil {
+			return errors.New("can't fetch the list of storage nodes")
+		}
+
+		snList := make([]accBalancePair, len(arr))
+		for i := range arr {
+			node, ok := arr[i].Value().([]stackitem.Item)
+			if !ok || len(node) == 0 {
+				return errors.New("can't parse the list of storage nodes")
+			}
+			bs, err := node[0].TryBytes()
+			if err != nil {
+				return errors.New("can't parse the list of storage nodes")
+			}
+			var ni netmap.NodeInfo
+			if err := ni.Unmarshal(bs); err != nil {
+				return fmt.Errorf("can't parse the list of storage nodes: %w", err)
+			}
+			pub, err := keys.NewPublicKeyFromBytes(ni.PublicKey(), elliptic.P256())
+			if err != nil {
+				return fmt.Errorf("can't parse storage node public key: %w", err)
+			}
+			snList[i].scriptHash = pub.GetScriptHash()
+		}
+
+		if err := fetchBalances(inv, gas.Hash, snList); err != nil {
+			return err
+		}
+		printBalances(cmd, "\nStorage node balances:", snList)
+	}
+
+	if dumpProxy {
+		h, err := nnsResolveHash(inv, nnsCs.Hash, proxyContract+".frostfs")
+		if err != nil {
+			return fmt.Errorf("can't get hash of the proxy contract: %w", err)
+		}
+
+		proxyList := []accBalancePair{{scriptHash: h}}
+		if err := fetchBalances(inv, gas.Hash, proxyList); err != nil {
+			return err
+		}
+		printBalances(cmd, "\nProxy contract balance:", proxyList)
+	}
+
+	if dumpAlphabet {
+		alphaList := make([]accBalancePair, len(irList))
+
+		w := io.NewBufBinWriter()
+		for i := range alphaList {
+			emit.AppCall(w.BinWriter, nnsCs.Hash, "resolve", callflag.ReadOnly,
+				getAlphabetNNSDomain(i),
+				int64(nns.TXT))
+		}
+		if w.Err != nil {
+			panic(w.Err)
+		}
+
+		alphaRes, err := c.InvokeScript(w.Bytes(), nil)
+		if err != nil {
+			return fmt.Errorf("can't fetch info from NNS: %w", err)
+		}
+
+		for i := range alphaList {
+			h, err := parseNNSResolveResult(alphaRes.Stack[i])
+			if err != nil {
+				return fmt.Errorf("can't fetch the alphabet contract #%d hash: %w", i, err)
+			}
+			alphaList[i].scriptHash = h
+		}
+
+		if err := fetchBalances(inv, gas.Hash, alphaList); err != nil {
+			return err
+		}
+		printBalances(cmd, "\nAlphabet contracts balances:", alphaList)
+	}
+
+	return nil
+}
+
+func fetchIRNodes(c Client, nmHash, desigHash util.Uint160) ([]accBalancePair, error) {
+	var irList []accBalancePair
+
+	inv := invoker.New(c, nil)
+
+	if notaryEnabled {
+		height, err := c.GetBlockCount()
+		if err != nil {
+			return nil, fmt.Errorf("can't get block height: %w", err)
+		}
+
+		arr, err := getDesignatedByRole(inv, desigHash, noderoles.NeoFSAlphabet, height)
+		if err != nil {
+			return nil, errors.New("can't fetch list of IR nodes from the netmap contract")
+		}
+
+		irList = make([]accBalancePair, len(arr))
+		for i := range arr {
+			irList[i].scriptHash = arr[i].GetScriptHash()
+		}
+	} else {
+		arr, err := unwrap.ArrayOfBytes(inv.Call(nmHash, "innerRingList"))
+		if err != nil {
+			return nil, errors.New("can't fetch list of IR nodes from the netmap contract")
+		}
+
+		irList = make([]accBalancePair, len(arr))
+		for i := range arr {
+			pub, err := keys.NewPublicKeyFromBytes(arr[i], elliptic.P256())
+			if err != nil {
+				return nil, fmt.Errorf("can't parse IR node public key: %w", err)
+			}
+			irList[i].scriptHash = pub.GetScriptHash()
+		}
+	}
+	return irList, nil
+}
+
+func printBalances(cmd *cobra.Command, prefix string, accounts []accBalancePair) {
+	useScriptHash, _ := cmd.Flags().GetBool(dumpBalancesUseScriptHashFlag)
+
+	cmd.Println(prefix)
+	for i := range accounts {
+		var addr string
+		if useScriptHash {
+			addr = accounts[i].scriptHash.StringLE()
+		} else {
+			addr = address.Uint160ToString(accounts[i].scriptHash)
+		}
+		cmd.Printf("%s: %s\n", addr, fixedn.ToString(accounts[i].balance, 8))
+	}
+}
+
+func fetchBalances(c *invoker.Invoker, gasHash util.Uint160, accounts []accBalancePair) error {
+	w := io.NewBufBinWriter()
+	for i := range accounts {
+		emit.AppCall(w.BinWriter, gasHash, "balanceOf", callflag.ReadStates, accounts[i].scriptHash)
+	}
+	if w.Err != nil {
+		panic(w.Err)
+	}
+
+	res, err := c.Run(w.Bytes())
+	if err != nil || res.State != vmstate.Halt.String() || len(res.Stack) != len(accounts) {
+		return errors.New("can't fetch account balances")
+	}
+
+	for i := range accounts {
+		bal, err := res.Stack[i].TryInteger()
+		if err != nil {
+			return fmt.Errorf("can't parse account balance: %w", err)
+		}
+		accounts[i].balance = bal
+	}
+	return nil
+}

cmd/frostfs-adm/internal/modules/morph/config.go

@@ -0,0 +1,192 @@
+package morph
+
+import (
+	"bytes"
+	"encoding/binary"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"text/tabwriter"
+
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+const forceConfigSet = "force"
+
+func dumpNetworkConfig(cmd *cobra.Command, _ []string) error {
+	c, err := getN3Client(viper.GetViper())
+	if err != nil {
+		return fmt.Errorf("can't create N3 client: %w", err)
+	}
+
+	inv := invoker.New(c, nil)
+
+	cs, err := c.GetContractStateByID(1)
+	if err != nil {
+		return fmt.Errorf("can't get NNS contract info: %w", err)
+	}
+
+	nmHash, err := nnsResolveHash(inv, cs.Hash, netmapContract+".frostfs")
+	if err != nil {
+		return fmt.Errorf("can't get netmap contract hash: %w", err)
+	}
+
+	arr, err := unwrap.Array(inv.Call(nmHash, "listConfig"))
+	if err != nil {
+		return errors.New("can't fetch list of network config keys from the netmap contract")
+	}
+
+	buf := bytes.NewBuffer(nil)
+	tw := tabwriter.NewWriter(buf, 0, 2, 2, ' ', 0)
+
+	for _, param := range arr {
+		tuple, ok := param.Value().([]stackitem.Item)
+		if !ok || len(tuple) != 2 {
+			return errors.New("invalid ListConfig response from netmap contract")
+		}
+
+		k, err := tuple[0].TryBytes()
+		if err != nil {
+			return errors.New("invalid config key from netmap contract")
+		}
+
+		v, err := tuple[1].TryBytes()
+		if err != nil {
+			return invalidConfigValueErr(k)
+		}
+
+		switch string(k) {
+		case netmapAuditFeeKey, netmapBasicIncomeRateKey,
+			netmapContainerFeeKey, netmapContainerAliasFeeKey,
+			netmapEigenTrustIterationsKey,
+			netmapEpochKey, netmapInnerRingCandidateFeeKey,
+			netmapMaxObjectSizeKey, netmapWithdrawFeeKey:
+			nbuf := make([]byte, 8)
+			copy(nbuf[:], v)
+			n := binary.LittleEndian.Uint64(nbuf)
+			_, _ = tw.Write([]byte(fmt.Sprintf("%s:\t%d (int)\n", k, n)))
+		case netmapEigenTrustAlphaKey:
+			_, _ = tw.Write([]byte(fmt.Sprintf("%s:\t%s (str)\n", k, v)))
+		case netmapHomomorphicHashDisabledKey, netmapMaintenanceAllowedKey:
+			vBool, err := tuple[1].TryBool()
+			if err != nil {
+				return invalidConfigValueErr(k)
+			}
+
+			_, _ = tw.Write([]byte(fmt.Sprintf("%s:\t%t (bool)\n", k, vBool)))
+		default:
+			_, _ = tw.Write([]byte(fmt.Sprintf("%s:\t%s (hex)\n", k, hex.EncodeToString(v))))
+		}
+	}
+
+	_ = tw.Flush()
+	cmd.Print(buf.String())
+
+	return nil
+}
+
+func setConfigCmd(cmd *cobra.Command, args []string) error {
+	if len(args) == 0 {
+		return errors.New("empty config pairs")
+	}
+
+	wCtx, err := newInitializeContext(cmd, viper.GetViper())
+	if err != nil {
+		return fmt.Errorf("can't initialize context: %w", err)
+	}
+
+	cs, err := wCtx.Client.GetContractStateByID(1)
+	if err != nil {
+		return fmt.Errorf("can't get NNS contract info: %w", err)
+	}
+
+	nmHash, err := nnsResolveHash(wCtx.ReadOnlyInvoker, cs.Hash, netmapContract+".frostfs")
+	if err != nil {
+		return fmt.Errorf("can't get netmap contract hash: %w", err)
+	}
+
+	forceFlag, _ := cmd.Flags().GetBool(forceConfigSet)
+
+	bw := io.NewBufBinWriter()
+	for _, arg := range args {
+		k, v, err := parseConfigPair(arg, forceFlag)
+		if err != nil {
+			return err
+		}
+
+		// In NeoFS this is done via Notary contract. Here, however, we can form the
+		// transaction locally. The first `nil` argument is required only for notary
+		// disabled environment which is not supported by that command.
+		emit.AppCall(bw.BinWriter, nmHash, "setConfig", callflag.All, nil, k, v)
+		if bw.Err != nil {
+			return fmt.Errorf("can't form raw transaction: %w", bw.Err)
+		}
+	}
+
+	err = wCtx.sendConsensusTx(bw.Bytes())
+	if err != nil {
+		return err
+	}
+
+	return wCtx.awaitTx()
+}
+
+func parseConfigPair(kvStr string, force bool) (key string, val interface{}, err error) {
+	kv := strings.SplitN(kvStr, "=", 2)
+	if len(kv) != 2 {
+		return "", nil, fmt.Errorf("invalid parameter format: must be 'key=val', got: %s", kvStr)
+	}
+
+	key = kv[0]
+	valRaw := kv[1]
+
+	switch key {
+	case netmapAuditFeeKey, netmapBasicIncomeRateKey,
+		netmapContainerFeeKey, netmapContainerAliasFeeKey,
+		netmapEigenTrustIterationsKey,
+		netmapEpochKey, netmapInnerRingCandidateFeeKey,
+		netmapMaxObjectSizeKey, netmapWithdrawFeeKey:
+		val, err = strconv.ParseInt(valRaw, 10, 64)
+		if err != nil {
+			err = fmt.Errorf("could not parse %s's value '%s' as int: %w", key, valRaw, err)
+		}
+	case netmapEigenTrustAlphaKey:
+		// just check that it could
+		// be parsed correctly
+		_, err = strconv.ParseFloat(kv[1], 64)
+		if err != nil {
+			err = fmt.Errorf("could not parse %s's value '%s' as float: %w", key, valRaw, err)
+		}
+
+		val = valRaw
+	case netmapHomomorphicHashDisabledKey, netmapMaintenanceAllowedKey:
+		val, err = strconv.ParseBool(valRaw)
+		if err != nil {
+			err = fmt.Errorf("could not parse %s's value '%s' as bool: %w", key, valRaw, err)
+		}
+
+	default:
+		if !force {
+			return "", nil, fmt.Errorf(
+				"'%s' key is not well-known, use '--%s' flag if want to set it anyway",
+				key, forceConfigSet)
+		}
+
+		val = valRaw
+	}
+
+	return
+}
+
+func invalidConfigValueErr(key []byte) error {
+	return fmt.Errorf("invalid %s config value from netmap contract", key)
+}

cmd/frostfs-adm/internal/modules/morph/container.go

@@ -0,0 +1,373 @@
+package morph
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"os"
+	"sort"
+
+	cid "github.com/TrueCloudLab/frostfs-sdk-go/container/id"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var errInvalidContainerResponse = errors.New("invalid response from container contract")
+
+func getContainerContractHash(cmd *cobra.Command, inv *invoker.Invoker, c Client) (util.Uint160, error) {
+	s, err := cmd.Flags().GetString(containerContractFlag)
+	var ch util.Uint160
+	if err == nil {
+		ch, err = util.Uint160DecodeStringLE(s)
+	}
+	if err != nil {
+		nnsCs, err := c.GetContractStateByID(1)
+		if err != nil {
+			return util.Uint160{}, fmt.Errorf("can't get NNS contract state: %w", err)
+		}
+		ch, err = nnsResolveHash(inv, nnsCs.Hash, containerContract+".frostfs")
+		if err != nil {
+			return util.Uint160{}, err
+		}
+	}
+	return ch, nil
+}
+
+func getContainersList(inv *invoker.Invoker, ch util.Uint160) ([][]byte, error) {
+	res, err := inv.Call(ch, "list", "")
+	if err != nil {
+		return nil, fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
+	}
+	itm, err := unwrap.Item(res, err)
+	if _, ok := itm.(stackitem.Null); !ok {
+		return unwrap.ArrayOfBytes(res, err)
+	}
+	return nil, nil
+}
+
+func dumpContainers(cmd *cobra.Command, _ []string) error {
+	filename, err := cmd.Flags().GetString(containerDumpFlag)
+	if err != nil {
+		return fmt.Errorf("invalid filename: %w", err)
+	}
+
+	c, err := getN3Client(viper.GetViper())
+	if err != nil {
+		return fmt.Errorf("can't create N3 client: %w", err)
+	}
+
+	inv := invoker.New(c, nil)
+
+	ch, err := getContainerContractHash(cmd, inv, c)
+	if err != nil {
+		return fmt.Errorf("unable to get contaract hash: %w", err)
+	}
+
+	cids, err := getContainersList(inv, ch)
+	if err != nil {
+		return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
+	}
+
+	isOK, err := getCIDFilterFunc(cmd)
+	if err != nil {
+		return err
+	}
+
+	var containers []*Container
+	bw := io.NewBufBinWriter()
+	for _, id := range cids {
+		if !isOK(id) {
+			continue
+		}
+		bw.Reset()
+		emit.AppCall(bw.BinWriter, ch, "get", callflag.All, id)
+		emit.AppCall(bw.BinWriter, ch, "eACL", callflag.All, id)
+		res, err := inv.Run(bw.Bytes())
+		if err != nil {
+			return fmt.Errorf("can't get container info: %w", err)
+		}
+		if len(res.Stack) != 2 {
+			return fmt.Errorf("%w: expected 2 items on stack", errInvalidContainerResponse)
+		}
+
+		cnt := new(Container)
+		err = cnt.FromStackItem(res.Stack[0])
+		if err != nil {
+			return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
+		}
+
+		ea := new(EACL)
+		err = ea.FromStackItem(res.Stack[1])
+		if err != nil {
+			return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
+		}
+		if len(ea.Value) != 0 {
+			cnt.EACL = ea
+		}
+
+		containers = append(containers, cnt)
+	}
+
+	out, err := json.Marshal(containers)
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(filename, out, 0o660)
+}
+
+func listContainers(cmd *cobra.Command, _ []string) error {
+	c, err := getN3Client(viper.GetViper())
+	if err != nil {
+		return fmt.Errorf("can't create N3 client: %w", err)
+	}
+
+	inv := invoker.New(c, nil)
+
+	ch, err := getContainerContractHash(cmd, inv, c)
+	if err != nil {
+		return fmt.Errorf("unable to get contaract hash: %w", err)
+	}
+
+	cids, err := getContainersList(inv, ch)
+	if err != nil {
+		return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
+	}
+
+	for _, id := range cids {
+		var idCnr cid.ID
+		err = idCnr.Decode(id)
+		if err != nil {
+			return fmt.Errorf("unable to decode container id: %w", err)
+		}
+		cmd.Println(idCnr)
+	}
+	return nil
+}
+
+func restoreContainers(cmd *cobra.Command, _ []string) error {
+	filename, err := cmd.Flags().GetString(containerDumpFlag)
+	if err != nil {
+		return fmt.Errorf("invalid filename: %w", err)
+	}
+
+	wCtx, err := newInitializeContext(cmd, viper.GetViper())
+	if err != nil {
+		return err
+	}
+	defer wCtx.close()
+
+	nnsCs, err := wCtx.Client.GetContractStateByID(1)
+	if err != nil {
+		return fmt.Errorf("can't get NNS contract state: %w", err)
+	}
+
+	ch, err := nnsResolveHash(wCtx.ReadOnlyInvoker, nnsCs.Hash, containerContract+".frostfs")
+	if err != nil {
+		return fmt.Errorf("can't fetch container contract hash: %w", err)
+	}
+
+	data, err := os.ReadFile(filename)
+	if err != nil {
+		return fmt.Errorf("can't read dump file: %w", err)
+	}
+
+	var containers []Container
+	err = json.Unmarshal(data, &containers)
+	if err != nil {
+		return fmt.Errorf("can't parse dump file: %w", err)
+	}
+
+	isOK, err := getCIDFilterFunc(cmd)
+	if err != nil {
+		return err
+	}
+
+	bw := io.NewBufBinWriter()
+	for _, cnt := range containers {
+		hv := hash.Sha256(cnt.Value)
+		if !isOK(hv[:]) {
+			continue
+		}
+		bw.Reset()
+		emit.AppCall(bw.BinWriter, ch, "get", callflag.All, hv.BytesBE())
+		res, err := wCtx.Client.InvokeScript(bw.Bytes(), nil)
+		if err != nil {
+			return fmt.Errorf("can't check if container is already restored: %w", err)
+		}
+		if len(res.Stack) == 0 {
+			return errors.New("empty stack")
+		}
+
+		old := new(Container)
+		if err := old.FromStackItem(res.Stack[0]); err != nil {
+			return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
+		}
+		if len(old.Value) != 0 {
+			var id cid.ID
+			id.SetSHA256(hv)
+			cmd.Printf("Container %s is already deployed.\n", id)
+			continue
+		}
+
+		bw.Reset()
+		emit.AppCall(bw.BinWriter, ch, "put", callflag.All,
+			cnt.Value, cnt.Signature, cnt.PublicKey, cnt.Token)
+		if ea := cnt.EACL; ea != nil {
+			emit.AppCall(bw.BinWriter, ch, "setEACL", callflag.All,
+				ea.Value, ea.Signature, ea.PublicKey, ea.Token)
+		}
+		if bw.Err != nil {
+			panic(bw.Err)
+		}
+
+		if err := wCtx.sendConsensusTx(bw.Bytes()); err != nil {
+			return err
+		}
+	}
+
+	return wCtx.awaitTx()
+}
+
+// Container represents container struct in contract storage.
+type Container struct {
+	Value     []byte `json:"value"`
+	Signature []byte `json:"signature"`
+	PublicKey []byte `json:"public_key"`
+	Token     []byte `json:"token"`
+	EACL      *EACL  `json:"eacl"`
+}
+
+// EACL represents extended ACL struct in contract storage.
+type EACL struct {
+	Value     []byte `json:"value"`
+	Signature []byte `json:"signature"`
+	PublicKey []byte `json:"public_key"`
+	Token     []byte `json:"token"`
+}
+
+// ToStackItem implements stackitem.Convertible.
+func (c *Container) ToStackItem() (stackitem.Item, error) {
+	return stackitem.NewStruct([]stackitem.Item{
+		stackitem.NewByteArray(c.Value),
+		stackitem.NewByteArray(c.Signature),
+		stackitem.NewByteArray(c.PublicKey),
+		stackitem.NewByteArray(c.Token),
+	}), nil
+}
+
+// FromStackItem implements stackitem.Convertible.
+func (c *Container) FromStackItem(item stackitem.Item) error {
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok || len(arr) != 4 {
+		return errors.New("invalid stack item type")
+	}
+
+	value, err := arr[0].TryBytes()
+	if err != nil {
+		return errors.New("invalid container value")
+	}
+
+	sig, err := arr[1].TryBytes()
+	if err != nil {
+		return errors.New("invalid container signature")
+	}
+
+	pub, err := arr[2].TryBytes()
+	if err != nil {
+		return errors.New("invalid container public key")
+	}
+
+	tok, err := arr[3].TryBytes()
+	if err != nil {
+		return errors.New("invalid container token")
+	}
+
+	c.Value = value
+	c.Signature = sig
+	c.PublicKey = pub
+	c.Token = tok
+	return nil
+}
+
+// ToStackItem implements stackitem.Convertible.
+func (c *EACL) ToStackItem() (stackitem.Item, error) {
+	return stackitem.NewStruct([]stackitem.Item{
+		stackitem.NewByteArray(c.Value),
+		stackitem.NewByteArray(c.Signature),
+		stackitem.NewByteArray(c.PublicKey),
+		stackitem.NewByteArray(c.Token),
+	}), nil
+}
+
+// FromStackItem implements stackitem.Convertible.
+func (c *EACL) FromStackItem(item stackitem.Item) error {
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok || len(arr) != 4 {
+		return errors.New("invalid stack item type")
+	}
+
+	value, err := arr[0].TryBytes()
+	if err != nil {
+		return errors.New("invalid eACL value")
+	}
+
+	sig, err := arr[1].TryBytes()
+	if err != nil {
+		return errors.New("invalid eACL signature")
+	}
+
+	pub, err := arr[2].TryBytes()
+	if err != nil {
+		return errors.New("invalid eACL public key")
+	}
+
+	tok, err := arr[3].TryBytes()
+	if err != nil {
+		return errors.New("invalid eACL token")
+	}
+
+	c.Value = value
+	c.Signature = sig
+	c.PublicKey = pub
+	c.Token = tok
+	return nil
+}
+
+// getCIDFilterFunc returns filtering function for container IDs.
+// Raw byte slices are used because it works with structures returned
+// from contract.
+func getCIDFilterFunc(cmd *cobra.Command) (func([]byte) bool, error) {
+	rawIDs, err := cmd.Flags().GetStringSlice(containerIDsFlag)
+	if err != nil {
+		return nil, err
+	}
+	if len(rawIDs) == 0 {
+		return func([]byte) bool { return true }, nil
+	}
+
+	for i := range rawIDs {
+		err := new(cid.ID).DecodeString(rawIDs[i])
+		if err != nil {
+			return nil, fmt.Errorf("can't parse CID %s: %w", rawIDs[i], err)
+		}
+	}
+	sort.Strings(rawIDs)
+	return func(rawID []byte) bool {
+		var v [32]byte
+		copy(v[:], rawID)
+
+		var id cid.ID
+		id.SetSHA256(v)
+		idStr := id.EncodeToString()
+		n := sort.Search(len(rawIDs), func(i int) bool { return rawIDs[i] >= idStr })
+		return n < len(rawIDs) && rawIDs[n] == idStr
+	}, nil
+}

cmd/frostfs-adm/internal/modules/morph/deploy.go

@@ -0,0 +1,224 @@
+package morph
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/TrueCloudLab/frostfs-contract/nns"
+	"github.com/nspcc-dev/neo-go/cli/cmdargs"
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/management"
+	"github.com/nspcc-dev/neo-go/pkg/services/rpcsrv/params"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+const (
+	contractPathFlag = "contract"
+	updateFlag       = "update"
+	customZoneFlag   = "domain"
+)
+
+var deployCmd = &cobra.Command{
+	Use:   "deploy",
+	Short: "Deploy additional smart-contracts",
+	Long: `Deploy additional smart-contract which are not related to core.
+All contracts are deployed by the committee, so access to the alphabet wallets is required.
+Optionally, arguments can be provided to be passed to a contract's _deploy function.
+The syntax is the same as for 'neo-go contract testinvokefunction' command.
+Compiled contract file name must contain '_contract.nef' suffix.
+Contract's manifest file name must be 'config.json'.
+NNS name is taken by stripping '_contract.nef' from the NEF file (similar to frostfs contracts).`,
+	PreRun: func(cmd *cobra.Command, _ []string) {
+		_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+		_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+	},
+	RunE: deployContractCmd,
+}
+
+func init() {
+	ff := deployCmd.Flags()
+
+	ff.String(alphabetWalletsFlag, "", "Path to alphabet wallets dir")
+	_ = deployCmd.MarkFlagFilename(alphabetWalletsFlag)
+
+	ff.StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+	ff.String(contractPathFlag, "", "Path to the contract directory")
+	_ = deployCmd.MarkFlagFilename(contractPathFlag)
+
+	ff.Bool(updateFlag, false, "Update an existing contract")
+	ff.String(customZoneFlag, "frostfs", "Custom zone for NNS")
+}
+
+func deployContractCmd(cmd *cobra.Command, args []string) error {
+	v := viper.GetViper()
+	c, err := newInitializeContext(cmd, v)
+	if err != nil {
+		return fmt.Errorf("initialization error: %w", err)
+	}
+	defer c.close()
+
+	ctrPath, _ := cmd.Flags().GetString(contractPathFlag)
+	ctrName, err := probeContractName(ctrPath)
+	if err != nil {
+		return err
+	}
+
+	cs, err := readContract(ctrPath, ctrName)
+	if err != nil {
+		return err
+	}
+
+	nnsCs, err := c.Client.GetContractStateByID(1)
+	if err != nil {
+		return fmt.Errorf("can't fetch NNS contract state: %w", err)
+	}
+
+	callHash := management.Hash
+	method := deployMethodName
+	zone, _ := cmd.Flags().GetString(customZoneFlag)
+	domain := ctrName + "." + zone
+	isUpdate, _ := cmd.Flags().GetBool(updateFlag)
+	if isUpdate {
+		cs.Hash, err = nnsResolveHash(c.ReadOnlyInvoker, nnsCs.Hash, domain)
+		if err != nil {
+			return fmt.Errorf("can't fetch contract hash from NNS: %w", err)
+		}
+		callHash = cs.Hash
+		method = updateMethodName
+	} else {
+		cs.Hash = state.CreateContractHash(
+			c.CommitteeAcc.Contract.ScriptHash(),
+			cs.NEF.Checksum,
+			cs.Manifest.Name)
+	}
+
+	w := io.NewBufBinWriter()
+	if err := emitDeploymentArguments(w.BinWriter, args); err != nil {
+		return err
+	}
+	emit.Bytes(w.BinWriter, cs.RawManifest)
+	emit.Bytes(w.BinWriter, cs.RawNEF)
+	emit.Int(w.BinWriter, 3)
+	emit.Opcodes(w.BinWriter, opcode.PACK)
+	emit.AppCallNoArgs(w.BinWriter, callHash, method, callflag.All)
+	emit.Opcodes(w.BinWriter, opcode.DROP) // contract state on stack
+	if !isUpdate {
+		bw := io.NewBufBinWriter()
+		emit.Instruction(bw.BinWriter, opcode.INITSSLOT, []byte{1})
+		emit.AppCall(bw.BinWriter, nnsCs.Hash, "getPrice", callflag.All)
+		emit.Opcodes(bw.BinWriter, opcode.STSFLD0)
+		emit.AppCall(bw.BinWriter, nnsCs.Hash, "setPrice", callflag.All, 1)
+
+		start := bw.Len()
+		needRecord := false
+
+		ok, err := c.nnsRootRegistered(nnsCs.Hash, zone)
+		if err != nil {
+			return err
+		} else if !ok {
+			needRecord = true
+
+			emit.AppCall(bw.BinWriter, nnsCs.Hash, "register", callflag.All,
+				zone, c.CommitteeAcc.Contract.ScriptHash(),
+				"ops@nspcc.ru", int64(3600), int64(600), int64(defaultExpirationTime), int64(3600))
+			emit.Opcodes(bw.BinWriter, opcode.ASSERT)
+
+			emit.AppCall(bw.BinWriter, nnsCs.Hash, "register", callflag.All,
+				domain, c.CommitteeAcc.Contract.ScriptHash(),
+				"ops@nspcc.ru", int64(3600), int64(600), int64(defaultExpirationTime), int64(3600))
+			emit.Opcodes(bw.BinWriter, opcode.ASSERT)
+		} else {
+			s, ok, err := c.nnsRegisterDomainScript(nnsCs.Hash, cs.Hash, domain)
+			if err != nil {
+				return err
+			}
+			needRecord = !ok
+			if len(s) != 0 {
+				bw.WriteBytes(s)
+			}
+		}
+		if needRecord {
+			emit.AppCall(bw.BinWriter, nnsCs.Hash, "deleteRecords", callflag.All, domain, int64(nns.TXT))
+			emit.AppCall(bw.BinWriter, nnsCs.Hash, "addRecord", callflag.All,
+				domain, int64(nns.TXT), address.Uint160ToString(cs.Hash))
+		}
+
+		if bw.Err != nil {
+			panic(fmt.Errorf("BUG: can't create deployment script: %w", w.Err))
+		} else if bw.Len() != start {
+			w.WriteBytes(bw.Bytes())
+			emit.Opcodes(w.BinWriter, opcode.LDSFLD0, opcode.PUSH1, opcode.PACK)
+			emit.AppCallNoArgs(w.BinWriter, nnsCs.Hash, "setPrice", callflag.All)
+
+			if needRecord {
+				c.Command.Printf("NNS: Set %s -> %s\n", domain, cs.Hash.StringLE())
+			}
+		}
+	}
+
+	if w.Err != nil {
+		panic(fmt.Errorf("BUG: can't create deployment script: %w", w.Err))
+	}
+
+	if err := c.sendCommitteeTx(w.Bytes(), false); err != nil {
+		return err
+	}
+	return c.awaitTx()
+}
+
+func emitDeploymentArguments(w *io.BinWriter, args []string) error {
+	_, ps, err := cmdargs.ParseParams(args, true)
+	if err != nil {
+		return err
+	}
+
+	if len(ps) == 0 {
+		emit.Opcodes(w, opcode.NEWARRAY0)
+		return nil
+	}
+
+	if len(ps) != 1 {
+		return fmt.Errorf("at most one argument is expected for deploy, got %d", len(ps))
+	}
+
+	// We could emit this directly, but round-trip through JSON is more robust.
+	// This a CLI, so optimizing the conversion is not worth the effort.
+	data, err := json.Marshal(ps)
+	if err != nil {
+		return err
+	}
+
+	var pp params.Params
+	if err := json.Unmarshal(data, &pp); err != nil {
+		return err
+	}
+	return params.ExpandArrayIntoScript(w, pp)
+}
+
+func probeContractName(ctrPath string) (string, error) {
+	ds, err := os.ReadDir(ctrPath)
+	if err != nil {
+		return "", fmt.Errorf("can't read directory: %w", err)
+	}
+
+	var ctrName string
+	for i := range ds {
+		if strings.HasSuffix(ds[i].Name(), "_contract.nef") {
+			ctrName = strings.TrimSuffix(ds[i].Name(), "_contract.nef")
+			break
+		}
+	}
+
+	if ctrName == "" {
+		return "", fmt.Errorf("can't find any NEF files in %s", ctrPath)
+	}
+	return ctrName, nil
+}

cmd/frostfs-adm/internal/modules/morph/download.go

@@ -0,0 +1,40 @@
+package morph
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+
+	"github.com/google/go-github/v39/github"
+	"github.com/spf13/cobra"
+)
+
+func downloadContractsFromGithub(cmd *cobra.Command) (io.ReadCloser, error) {
+	gcl := github.NewClient(nil)
+	release, _, err := gcl.Repositories.GetLatestRelease(context.Background(), "nspcc-dev", "frostfs-contract")
+	if err != nil {
+		return nil, fmt.Errorf("can't fetch release info: %w", err)
+	}
+
+	cmd.Printf("Found %s (%s), downloading...\n", release.GetTagName(), release.GetName())
+
+	var url string
+	for _, a := range release.Assets {
+		if strings.HasPrefix(a.GetName(), "frostfs-contract") {
+			url = a.GetBrowserDownloadURL()
+			break
+		}
+	}
+	if url == "" {
+		return nil, errors.New("can't find contracts archive in release assets")
+	}
+
+	resp, err := http.Get(url)
+	if err != nil {
+		return nil, fmt.Errorf("can't fetch contracts archive: %w", err)
+	}
+	return resp.Body, nil
+}

cmd/frostfs-adm/internal/modules/morph/dump_hashes.go

@@ -0,0 +1,217 @@
+package morph
+
+import (
+	"bytes"
+	"fmt"
+	"strings"
+	"text/tabwriter"
+
+	"github.com/TrueCloudLab/frostfs-contract/nns"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+const lastGlagoliticLetter = 41
+
+type contractDumpInfo struct {
+	hash    util.Uint160
+	name    string
+	version string
+}
+
+func dumpContractHashes(cmd *cobra.Command, _ []string) error {
+	c, err := getN3Client(viper.GetViper())
+	if err != nil {
+		return fmt.Errorf("can't create N3 client: %w", err)
+	}
+
+	cs, err := c.GetContractStateByID(1)
+	if err != nil {
+		return err
+	}
+
+	zone, _ := cmd.Flags().GetString(customZoneFlag)
+	if zone != "" {
+		return dumpCustomZoneHashes(cmd, cs.Hash, zone, c)
+	}
+
+	infos := []contractDumpInfo{{name: nnsContract, hash: cs.Hash}}
+
+	irSize := 0
+	for ; irSize < lastGlagoliticLetter; irSize++ {
+		ok, err := nnsIsAvailable(c, cs.Hash, getAlphabetNNSDomain(irSize))
+		if err != nil {
+			return err
+		} else if ok {
+			break
+		}
+	}
+
+	bw := io.NewBufBinWriter()
+
+	if irSize != 0 {
+		bw.Reset()
+		for i := 0; i < irSize; i++ {
+			emit.AppCall(bw.BinWriter, cs.Hash, "resolve", callflag.ReadOnly,
+				getAlphabetNNSDomain(i),
+				int64(nns.TXT))
+		}
+
+		alphaRes, err := c.InvokeScript(bw.Bytes(), nil)
+		if err != nil {
+			return fmt.Errorf("can't fetch info from NNS: %w", err)
+		}
+
+		for i := 0; i < irSize; i++ {
+			info := contractDumpInfo{name: fmt.Sprintf("alphabet %d", i)}
+			if h, err := parseNNSResolveResult(alphaRes.Stack[i]); err == nil {
+				info.hash = h
+			}
+			infos = append(infos, info)
+		}
+	}
+
+	for _, ctrName := range contractList {
+		bw.Reset()
+		emit.AppCall(bw.BinWriter, cs.Hash, "resolve", callflag.ReadOnly,
+			ctrName+".frostfs", int64(nns.TXT))
+
+		res, err := c.InvokeScript(bw.Bytes(), nil)
+		if err != nil {
+			return fmt.Errorf("can't fetch info from NNS: %w", err)
+		}
+
+		info := contractDumpInfo{name: ctrName}
+		if len(res.Stack) != 0 {
+			if h, err := parseNNSResolveResult(res.Stack[0]); err == nil {
+				info.hash = h
+			}
+		}
+		infos = append(infos, info)
+	}
+
+	fillContractVersion(cmd, c, infos)
+	printContractInfo(cmd, infos)
+
+	return nil
+}
+
+func dumpCustomZoneHashes(cmd *cobra.Command, nnsHash util.Uint160, zone string, c Client) error {
+	const nnsMaxTokens = 100
+	inv := invoker.New(c, nil)
+
+	arr, err := unwrap.Array(inv.CallAndExpandIterator(nnsHash, "tokens", nnsMaxTokens))
+	if err != nil {
+		return fmt.Errorf("can't get a list of NNS domains: %w", err)
+	}
+
+	if !strings.HasPrefix(zone, ".") {
+		zone = "." + zone
+	}
+
+	var infos []contractDumpInfo
+	for i := range arr {
+		bs, err := arr[i].TryBytes()
+		if err != nil {
+			continue
+		}
+
+		if !bytes.HasSuffix(bs, []byte(zone)) {
+			continue
+		}
+
+		h, err := nnsResolveHash(inv, nnsHash, string(bs))
+		if err != nil {
+			continue
+		}
+
+		infos = append(infos, contractDumpInfo{
+			hash: h,
+			name: strings.TrimSuffix(string(bs), zone),
+		})
+	}
+
+	fillContractVersion(cmd, c, infos)
+	printContractInfo(cmd, infos)
+
+	return nil
+}
+
+func parseContractVersion(item stackitem.Item) string {
+	bi, err := item.TryInteger()
+	if err != nil || bi.Sign() == 0 || !bi.IsInt64() {
+		return "unknown"
+	}
+
+	v := bi.Int64()
+	major := v / 1_000_000
+	minor := (v % 1_000_000) / 1000
+	patch := v % 1_000
+	return fmt.Sprintf("v%d.%d.%d", major, minor, patch)
+}
+
+func printContractInfo(cmd *cobra.Command, infos []contractDumpInfo) {
+	if len(infos) == 0 {
+		return
+	}
+
+	buf := bytes.NewBuffer(nil)
+	tw := tabwriter.NewWriter(buf, 0, 2, 2, ' ', 0)
+	for _, info := range infos {
+		if info.version == "" {
+			info.version = "unknown"
+		}
+		_, _ = tw.Write([]byte(fmt.Sprintf("%s\t(%s):\t%s\n",
+			info.name, info.version, info.hash.StringLE())))
+	}
+	_ = tw.Flush()
+
+	cmd.Print(buf.String())
+}
+
+func fillContractVersion(cmd *cobra.Command, c Client, infos []contractDumpInfo) {
+	bw := io.NewBufBinWriter()
+	sub := io.NewBufBinWriter()
+	for i := range infos {
+		if infos[i].hash.Equals(util.Uint160{}) {
+			emit.Int(bw.BinWriter, 0)
+		} else {
+			sub.Reset()
+			emit.AppCall(sub.BinWriter, infos[i].hash, "version", callflag.NoneFlag)
+			if sub.Err != nil {
+				panic(fmt.Errorf("BUG: can't create version script: %w", bw.Err))
+			}
+
+			script := sub.Bytes()
+			emit.Instruction(bw.BinWriter, opcode.TRY, []byte{byte(3 + len(script) + 2), 0})
+			bw.BinWriter.WriteBytes(script)
+			emit.Instruction(bw.BinWriter, opcode.ENDTRY, []byte{2 + 1})
+			emit.Opcodes(bw.BinWriter, opcode.PUSH0)
+		}
+	}
+	emit.Opcodes(bw.BinWriter, opcode.NOP) // for the last ENDTRY target
+	if bw.Err != nil {
+		panic(fmt.Errorf("BUG: can't create version script: %w", bw.Err))
+	}
+
+	res, err := c.InvokeScript(bw.Bytes(), nil)
+	if err != nil {
+		cmd.Printf("Can't fetch version from NNS: %v\n", err)
+		return
+	}
+
+	if res.State == vmstate.Halt.String() {
+		for i := range res.Stack {
+			infos[i].version = parseContractVersion(res.Stack[i])
+		}
+	}
+}

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

@@ -0,0 +1,57 @@
+package morph
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+func forceNewEpochCmd(cmd *cobra.Command, args []string) error {
+	wCtx, err := newInitializeContext(cmd, viper.GetViper())
+	if err != nil {
+		return fmt.Errorf("can't to initialize context: %w", err)
+	}
+
+	cs, err := wCtx.Client.GetContractStateByID(1)
+	if err != nil {
+		return fmt.Errorf("can't get NNS contract info: %w", err)
+	}
+
+	nmHash, err := nnsResolveHash(wCtx.ReadOnlyInvoker, cs.Hash, netmapContract+".frostfs")
+	if err != nil {
+		return fmt.Errorf("can't get netmap contract hash: %w", err)
+	}
+
+	bw := io.NewBufBinWriter()
+	if err := emitNewEpochCall(bw, wCtx, nmHash); err != nil {
+		return err
+	}
+
+	if err := wCtx.sendConsensusTx(bw.Bytes()); err != nil {
+		return err
+	}
+
+	return wCtx.awaitTx()
+}
+
+func emitNewEpochCall(bw *io.BufBinWriter, wCtx *initializeContext, nmHash util.Uint160) error {
+	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
+	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
+	// transaction locally.
+	emit.AppCall(bw.BinWriter, nmHash, "newEpoch", callflag.All, newEpoch)
+	return bw.Err
+}

cmd/frostfs-adm/internal/modules/morph/generate.go

@@ -0,0 +1,225 @@
+package morph
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/config"
+	"github.com/TrueCloudLab/frostfs-node/pkg/innerring"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/gas"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+const (
+	singleAccountName    = "single"
+	committeeAccountName = "committee"
+	consensusAccountName = "consensus"
+)
+
+func generateAlphabetCreds(cmd *cobra.Command, args []string) error {
+	// alphabet size is not part of the config
+	size, err := cmd.Flags().GetUint(alphabetSizeFlag)
+	if err != nil {
+		return err
+	}
+	if size == 0 {
+		return errors.New("size must be > 0")
+	}
+
+	v := viper.GetViper()
+	walletDir := config.ResolveHomePath(viper.GetString(alphabetWalletsFlag))
+	pwds, err := initializeWallets(v, walletDir, int(size))
+	if err != nil {
+		return err
+	}
+
+	_, err = initializeContractWallet(v, walletDir)
+	if err != nil {
+		return err
+	}
+
+	cmd.Println("size:", size)
+	cmd.Println("alphabet-wallets:", walletDir)
+	for i := range pwds {
+		cmd.Printf("wallet[%d]: %s\n", i, pwds[i])
+	}
+
+	return nil
+}
+
+func initializeWallets(v *viper.Viper, walletDir string, size int) ([]string, error) {
+	wallets := make([]*wallet.Wallet, size)
+	pubs := make(keys.PublicKeys, size)
+	passwords := make([]string, size)
+
+	for i := range wallets {
+		password, err := config.GetPassword(v, innerring.GlagoliticLetter(i).String())
+		if err != nil {
+			return nil, fmt.Errorf("can't fetch password: %w", err)
+		}
+
+		p := filepath.Join(walletDir, innerring.GlagoliticLetter(i).String()+".json")
+		f, err := os.OpenFile(p, os.O_CREATE, 0644)
+		if err != nil {
+			return nil, fmt.Errorf("can't create wallet file: %w", err)
+		}
+		if err := f.Close(); err != nil {
+			return nil, fmt.Errorf("can't close wallet file: %w", err)
+		}
+		w, err := wallet.NewWallet(p)
+		if err != nil {
+			return nil, fmt.Errorf("can't create wallet: %w", err)
+		}
+		if err := w.CreateAccount(singleAccountName, password); err != nil {
+			return nil, fmt.Errorf("can't create account: %w", err)
+		}
+
+		passwords[i] = password
+		wallets[i] = w
+		pubs[i] = w.Accounts[0].PrivateKey().PublicKey()
+	}
+
+	// Create committee account with N/2+1 multi-signature.
+	majCount := smartcontract.GetMajorityHonestNodeCount(size)
+	for i, w := range wallets {
+		if err := addMultisigAccount(w, majCount, committeeAccountName, passwords[i], pubs); err != nil {
+			return nil, fmt.Errorf("can't create committee account: %w", err)
+		}
+	}
+
+	// Create consensus account with 2*N/3+1 multi-signature.
+	bftCount := smartcontract.GetDefaultHonestNodeCount(size)
+	for i, w := range wallets {
+		if err := addMultisigAccount(w, bftCount, consensusAccountName, passwords[i], pubs); err != nil {
+			return nil, fmt.Errorf("can't create consensus account: %w", err)
+		}
+	}
+
+	for _, w := range wallets {
+		if err := w.SavePretty(); err != nil {
+			return nil, fmt.Errorf("can't save wallet: %w", err)
+		}
+	}
+
+	return passwords, nil
+}
+
+func addMultisigAccount(w *wallet.Wallet, m int, name, password string, pubs keys.PublicKeys) error {
+	acc := wallet.NewAccountFromPrivateKey(w.Accounts[0].PrivateKey())
+	acc.Label = name
+
+	if err := acc.ConvertMultisig(m, pubs); err != nil {
+		return err
+	}
+	if err := acc.Encrypt(password, keys.NEP2ScryptParams()); err != nil {
+		return err
+	}
+	w.AddAccount(acc)
+	return nil
+}
+
+func generateStorageCreds(cmd *cobra.Command, _ []string) error {
+	return refillGas(cmd, storageGasConfigFlag, true)
+}
+
+func refillGas(cmd *cobra.Command, gasFlag string, createWallet bool) (err error) {
+	// storage wallet path is not part of the config
+	storageWalletPath, _ := cmd.Flags().GetString(storageWalletFlag)
+	// wallet address is not part of the config
+	walletAddress, _ := cmd.Flags().GetString(walletAddressFlag)
+
+	var gasReceiver util.Uint160
+
+	if len(walletAddress) != 0 {
+		gasReceiver, err = address.StringToUint160(walletAddress)
+		if err != nil {
+			return fmt.Errorf("invalid wallet address %s: %w", walletAddress, err)
+		}
+	} else {
+		if storageWalletPath == "" {
+			return fmt.Errorf("missing wallet path (use '--%s <out.json>')", storageWalletFlag)
+		}
+
+		var w *wallet.Wallet
+
+		if createWallet {
+			w, err = wallet.NewWallet(storageWalletPath)
+		} else {
+			w, err = wallet.NewWalletFromFile(storageWalletPath)
+		}
+
+		if err != nil {
+			return fmt.Errorf("can't create wallet: %w", err)
+		}
+
+		if createWallet {
+			var password string
+
+			label, _ := cmd.Flags().GetString(storageWalletLabelFlag)
+			password, err := config.GetStoragePassword(viper.GetViper(), label)
+			if err != nil {
+				return fmt.Errorf("can't fetch password: %w", err)
+			}
+
+			if label == "" {
+				label = singleAccountName
+			}
+
+			if err := w.CreateAccount(label, password); err != nil {
+				return fmt.Errorf("can't create account: %w", err)
+			}
+		}
+
+		gasReceiver = w.Accounts[0].Contract.ScriptHash()
+	}
+
+	gasStr := viper.GetString(gasFlag)
+
+	gasAmount, err := parseGASAmount(gasStr)
+	if err != nil {
+		return err
+	}
+
+	wCtx, err := newInitializeContext(cmd, viper.GetViper())
+	if err != nil {
+		return err
+	}
+
+	bw := io.NewBufBinWriter()
+	emit.AppCall(bw.BinWriter, gas.Hash, "transfer", callflag.All,
+		wCtx.CommitteeAcc.Contract.ScriptHash(), gasReceiver, int64(gasAmount), nil)
+	emit.Opcodes(bw.BinWriter, opcode.ASSERT)
+	if bw.Err != nil {
+		return fmt.Errorf("BUG: invalid transfer arguments: %w", bw.Err)
+	}
+
+	if err := wCtx.sendCommitteeTx(bw.Bytes(), false); err != nil {
+		return err
+	}
+
+	return wCtx.awaitTx()
+}
+
+func parseGASAmount(s string) (fixedn.Fixed8, error) {
+	gasAmount, err := fixedn.Fixed8FromString(s)
+	if err != nil {
+		return 0, fmt.Errorf("invalid GAS amount %s: %w", s, err)
+	}
+	if gasAmount <= 0 {
+		return 0, fmt.Errorf("GAS amount must be positive (got %d)", gasAmount)
+	}
+	return gasAmount, nil
+}

cmd/frostfs-adm/internal/modules/morph/generate_test.go

@@ -0,0 +1,112 @@
+package morph
+
+import (
+	"bytes"
+	"io"
+	"math/rand"
+	"os"
+	"path/filepath"
+	"strconv"
+	"testing"
+
+	"github.com/TrueCloudLab/frostfs-node/pkg/innerring"
+	"github.com/nspcc-dev/neo-go/cli/input"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+	"github.com/spf13/viper"
+	"github.com/stretchr/testify/require"
+	"golang.org/x/term"
+)
+
+const testContractPassword = "grouppass"
+
+func TestGenerateAlphabet(t *testing.T) {
+	const size = 4
+
+	walletDir := t.TempDir()
+	buf := setupTestTerminal(t)
+
+	cmd := generateAlphabetCmd
+	v := viper.GetViper()
+
+	t.Run("zero size", func(t *testing.T) {
+		buf.Reset()
+		v.Set(alphabetWalletsFlag, walletDir)
+		require.NoError(t, cmd.Flags().Set(alphabetSizeFlag, "0"))
+		buf.WriteString("pass\r")
+		require.Error(t, generateAlphabetCreds(cmd, nil))
+	})
+	t.Run("no password provided", func(t *testing.T) {
+		buf.Reset()
+		v.Set(alphabetWalletsFlag, walletDir)
+		require.NoError(t, cmd.Flags().Set(alphabetSizeFlag, "1"))
+		require.Error(t, generateAlphabetCreds(cmd, nil))
+	})
+	t.Run("missing directory", func(t *testing.T) {
+		buf.Reset()
+		dir := filepath.Join(os.TempDir(), "notexist."+strconv.FormatUint(rand.Uint64(), 10))
+		v.Set(alphabetWalletsFlag, dir)
+		require.NoError(t, cmd.Flags().Set(alphabetSizeFlag, "1"))
+		buf.WriteString("pass\r")
+		require.Error(t, generateAlphabetCreds(cmd, nil))
+	})
+	t.Run("no password for contract group wallet", func(t *testing.T) {
+		buf.Reset()
+		v.Set(alphabetWalletsFlag, walletDir)
+		require.NoError(t, cmd.Flags().Set(alphabetSizeFlag, strconv.FormatUint(size, 10)))
+		for i := uint64(0); i < size; i++ {
+			buf.WriteString(strconv.FormatUint(i, 10) + "\r")
+		}
+		require.Error(t, generateAlphabetCreds(cmd, nil))
+	})
+
+	buf.Reset()
+	v.Set(alphabetWalletsFlag, walletDir)
+	require.NoError(t, generateAlphabetCmd.Flags().Set(alphabetSizeFlag, strconv.FormatUint(size, 10)))
+	for i := uint64(0); i < size; i++ {
+		buf.WriteString(strconv.FormatUint(i, 10) + "\r")
+	}
+
+	buf.WriteString(testContractPassword + "\r")
+	require.NoError(t, generateAlphabetCreds(generateAlphabetCmd, nil))
+
+	for i := uint64(0); i < size; i++ {
+		p := filepath.Join(walletDir, innerring.GlagoliticLetter(i).String()+".json")
+		w, err := wallet.NewWalletFromFile(p)
+		require.NoError(t, err, "wallet doesn't exist")
+		require.Equal(t, 3, len(w.Accounts), "not all accounts were created")
+		for _, a := range w.Accounts {
+			err := a.Decrypt(strconv.FormatUint(i, 10), keys.NEP2ScryptParams())
+			require.NoError(t, err, "can't decrypt account")
+			switch a.Label {
+			case consensusAccountName:
+				require.Equal(t, smartcontract.GetDefaultHonestNodeCount(size), len(a.Contract.Parameters))
+			case committeeAccountName:
+				require.Equal(t, smartcontract.GetMajorityHonestNodeCount(size), len(a.Contract.Parameters))
+			default:
+				require.Equal(t, singleAccountName, a.Label)
+			}
+		}
+	}
+
+	t.Run("check contract group wallet", func(t *testing.T) {
+		p := filepath.Join(walletDir, contractWalletFilename)
+		w, err := wallet.NewWalletFromFile(p)
+		require.NoError(t, err, "contract wallet doesn't exist")
+		require.Equal(t, 1, len(w.Accounts), "contract wallet must have 1 accout")
+		require.NoError(t, w.Accounts[0].Decrypt(testContractPassword, keys.NEP2ScryptParams()))
+	})
+}
+
+func setupTestTerminal(t *testing.T) *bytes.Buffer {
+	in := bytes.NewBuffer(nil)
+	input.Terminal = term.NewTerminal(input.ReadWriter{
+		Reader: in,
+		Writer: io.Discard,
+	}, "")
+
+	t.Cleanup(func() { input.Terminal = nil })
+
+	return in
+}

cmd/frostfs-adm/internal/modules/morph/group.go

@@ -0,0 +1,106 @@
+package morph
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/config"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+const (
+	contractWalletFilename    = "contract.json"
+	contractWalletPasswordKey = "contract"
+)
+
+func initializeContractWallet(v *viper.Viper, walletDir string) (*wallet.Wallet, error) {
+	password, err := config.GetPassword(v, contractWalletPasswordKey)
+	if err != nil {
+		return nil, err
+	}
+
+	w, err := wallet.NewWallet(filepath.Join(walletDir, contractWalletFilename))
+	if err != nil {
+		return nil, err
+	}
+
+	acc, err := wallet.NewAccount()
+	if err != nil {
+		return nil, err
+	}
+
+	err = acc.Encrypt(password, keys.NEP2ScryptParams())
+	if err != nil {
+		return nil, err
+	}
+
+	w.AddAccount(acc)
+	if err := w.SavePretty(); err != nil {
+		return nil, err
+	}
+
+	return w, nil
+}
+
+func openContractWallet(v *viper.Viper, cmd *cobra.Command, walletDir string) (*wallet.Wallet, error) {
+	p := filepath.Join(walletDir, contractWalletFilename)
+	w, err := wallet.NewWalletFromFile(p)
+	if err != nil {
+		if !os.IsNotExist(err) {
+			return nil, fmt.Errorf("can't open wallet: %w", err)
+		}
+
+		cmd.Printf("Contract group wallet is missing, initialize at %s\n", p)
+		return initializeContractWallet(v, walletDir)
+	}
+
+	password, err := config.GetPassword(v, contractWalletPasswordKey)
+	if err != nil {
+		return nil, err
+	}
+
+	for i := range w.Accounts {
+		if err := w.Accounts[i].Decrypt(password, keys.NEP2ScryptParams()); err != nil {
+			return nil, fmt.Errorf("can't unlock wallet: %w", err)
+		}
+	}
+
+	return w, nil
+}
+
+func (c *initializeContext) addManifestGroup(h util.Uint160, cs *contractState) error {
+	priv := c.ContractWallet.Accounts[0].PrivateKey()
+	pub := priv.PublicKey()
+
+	sig := priv.Sign(h.BytesBE())
+	found := false
+
+	for i := range cs.Manifest.Groups {
+		if cs.Manifest.Groups[i].PublicKey.Equal(pub) {
+			cs.Manifest.Groups[i].Signature = sig
+			found = true
+			break
+		}
+	}
+	if !found {
+		cs.Manifest.Groups = append(cs.Manifest.Groups, manifest.Group{
+			PublicKey: pub,
+			Signature: sig,
+		})
+	}
+
+	data, err := json.Marshal(cs.Manifest)
+	if err != nil {
+		return err
+	}
+
+	cs.RawManifest = data
+	return nil
+}

cmd/frostfs-adm/internal/modules/morph/initialize.go

@@ -0,0 +1,464 @@
+package morph
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/config"
+	"github.com/TrueCloudLab/frostfs-node/pkg/innerring"
+	morphClient "github.com/TrueCloudLab/frostfs-node/pkg/morph/client"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+type cache struct {
+	nnsCs    *state.Contract
+	groupKey *keys.PublicKey
+}
+
+type initializeContext struct {
+	clientContext
+	cache
+	// CommitteeAcc is used for retrieving the committee address and the verification script.
+	CommitteeAcc *wallet.Account
+	// ConsensusAcc is used for retrieving the committee address and the verification script.
+	ConsensusAcc *wallet.Account
+	Wallets      []*wallet.Wallet
+	// ContractWallet is a wallet for providing the contract group signature.
+	ContractWallet *wallet.Wallet
+	// Accounts contains simple signature accounts in the same order as in Wallets.
+	Accounts     []*wallet.Account
+	Contracts    map[string]*contractState
+	Command      *cobra.Command
+	ContractPath string
+}
+
+func initializeSideChainCmd(cmd *cobra.Command, args []string) error {
+	initCtx, err := newInitializeContext(cmd, viper.GetViper())
+	if err != nil {
+		return fmt.Errorf("initialization error: %w", err)
+	}
+	defer initCtx.close()
+
+	// 1. Transfer funds to committee accounts.
+	cmd.Println("Stage 1: transfer GAS to alphabet nodes.")
+	if err := initCtx.transferFunds(); err != nil {
+		return err
+	}
+
+	cmd.Println("Stage 2: set notary and alphabet nodes in designate contract.")
+	if err := initCtx.setNotaryAndAlphabetNodes(); err != nil {
+		return err
+	}
+
+	// 3. Deploy NNS contract.
+	cmd.Println("Stage 3: deploy NNS contract.")
+	if err := initCtx.deployNNS(deployMethodName); err != nil {
+		return err
+	}
+
+	// 4. Deploy NeoFS contracts.
+	cmd.Println("Stage 4: deploy NeoFS contracts.")
+	if err := initCtx.deployContracts(); err != nil {
+		return err
+	}
+
+	cmd.Println("Stage 4.1: Transfer GAS to proxy contract.")
+	if err := initCtx.transferGASToProxy(); err != nil {
+		return err
+	}
+
+	cmd.Println("Stage 5: register candidates.")
+	if err := initCtx.registerCandidates(); err != nil {
+		return err
+	}
+
+	cmd.Println("Stage 6: transfer NEO to alphabet contracts.")
+	if err := initCtx.transferNEOToAlphabetContracts(); err != nil {
+		return err
+	}
+
+	cmd.Println("Stage 7: set addresses in NNS.")
+	if err := initCtx.setNNS(); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (c *initializeContext) close() {
+	if local, ok := c.Client.(*localClient); ok {
+		err := local.dump()
+		if err != nil {
+			c.Command.PrintErrf("Can't write dump: %v\n", err)
+			os.Exit(1)
+		}
+	}
+}
+
+func newInitializeContext(cmd *cobra.Command, v *viper.Viper) (*initializeContext, error) {
+	walletDir := config.ResolveHomePath(viper.GetString(alphabetWalletsFlag))
+	wallets, err := openAlphabetWallets(v, walletDir)
+	if err != nil {
+		return nil, err
+	}
+
+	var w *wallet.Wallet
+	if cmd.Name() != "deploy" {
+		w, err = openContractWallet(v, cmd, walletDir)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	var c Client
+	if v.GetString(localDumpFlag) != "" {
+		if v.GetString(endpointFlag) != "" {
+			return nil, fmt.Errorf("`%s` and `%s` flags are mutually exclusive", endpointFlag, localDumpFlag)
+		}
+		c, err = newLocalClient(cmd, v, wallets)
+	} else {
+		c, err = getN3Client(v)
+	}
+	if err != nil {
+		return nil, fmt.Errorf("can't create N3 client: %w", err)
+	}
+
+	committeeAcc, err := getWalletAccount(wallets[0], committeeAccountName)
+	if err != nil {
+		return nil, fmt.Errorf("can't find committee account: %w", err)
+	}
+
+	consensusAcc, err := getWalletAccount(wallets[0], consensusAccountName)
+	if err != nil {
+		return nil, fmt.Errorf("can't find consensus account: %w", err)
+	}
+
+	var ctrPath string
+	if cmd.Name() == "init" {
+		if viper.GetInt64(epochDurationInitFlag) <= 0 {
+			return nil, fmt.Errorf("epoch duration must be positive")
+		}
+
+		if viper.GetInt64(maxObjectSizeInitFlag) <= 0 {
+			return nil, fmt.Errorf("max object size must be positive")
+		}
+	}
+
+	needContracts := cmd.Name() == "update-contracts" || cmd.Name() == "init"
+	if needContracts {
+		ctrPath, err = cmd.Flags().GetString(contractsInitFlag)
+		if err != nil {
+			return nil, fmt.Errorf("invalid contracts path: %w", err)
+		}
+	}
+
+	if err := checkNotaryEnabled(c); err != nil {
+		return nil, err
+	}
+
+	accounts := make([]*wallet.Account, len(wallets))
+	for i, w := range wallets {
+		acc, err := getWalletAccount(w, singleAccountName)
+		if err != nil {
+			return nil, fmt.Errorf("wallet %s is invalid (no single account): %w", w.Path(), err)
+		}
+		accounts[i] = acc
+	}
+
+	cliCtx, err := defaultClientContext(c, committeeAcc)
+	if err != nil {
+		return nil, fmt.Errorf("client context: %w", err)
+	}
+
+	initCtx := &initializeContext{
+		clientContext:  *cliCtx,
+		ConsensusAcc:   consensusAcc,
+		CommitteeAcc:   committeeAcc,
+		ContractWallet: w,
+		Wallets:        wallets,
+		Accounts:       accounts,
+		Command:        cmd,
+		Contracts:      make(map[string]*contractState),
+		ContractPath:   ctrPath,
+	}
+
+	if needContracts {
+		err := initCtx.readContracts(fullContractList)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return initCtx, nil
+}
+
+func openAlphabetWallets(v *viper.Viper, walletDir string) ([]*wallet.Wallet, error) {
+	walletFiles, err := os.ReadDir(walletDir)
+	if err != nil {
+		return nil, fmt.Errorf("can't read alphabet wallets dir: %w", err)
+	}
+
+	var size int
+loop:
+	for i := 0; i < len(walletFiles); i++ {
+		name := innerring.GlagoliticLetter(i).String() + ".json"
+		for j := range walletFiles {
+			if walletFiles[j].Name() == name {
+				size++
+				continue loop
+			}
+		}
+		break
+	}
+	if size == 0 {
+		return nil, errors.New("alphabet wallets dir is empty (run `generate-alphabet` command first)")
+	}
+
+	wallets := make([]*wallet.Wallet, size)
+	for i := 0; i < size; i++ {
+		letter := innerring.GlagoliticLetter(i).String()
+		p := filepath.Join(walletDir, letter+".json")
+		w, err := wallet.NewWalletFromFile(p)
+		if err != nil {
+			return nil, fmt.Errorf("can't open wallet: %w", err)
+		}
+
+		password, err := config.GetPassword(v, letter)
+		if err != nil {
+			return nil, fmt.Errorf("can't fetch password: %w", err)
+		}
+
+		for i := range w.Accounts {
+			if err := w.Accounts[i].Decrypt(password, keys.NEP2ScryptParams()); err != nil {
+				return nil, fmt.Errorf("can't unlock wallet: %w", err)
+			}
+		}
+
+		wallets[i] = w
+	}
+
+	return wallets, nil
+}
+
+func (c *initializeContext) awaitTx() error {
+	return c.clientContext.awaitTx(c.Command)
+}
+
+func (c *initializeContext) nnsContractState() (*state.Contract, error) {
+	if c.nnsCs != nil {
+		return c.nnsCs, nil
+	}
+
+	cs, err := c.Client.GetContractStateByID(1)
+	if err != nil {
+		return nil, err
+	}
+
+	c.nnsCs = cs
+	return cs, nil
+}
+
+func (c *initializeContext) getSigner(tryGroup bool, acc *wallet.Account) transaction.Signer {
+	if tryGroup && c.groupKey != nil {
+		return transaction.Signer{
+			Account:       acc.Contract.ScriptHash(),
+			Scopes:        transaction.CustomGroups,
+			AllowedGroups: keys.PublicKeys{c.groupKey},
+		}
+	}
+
+	signer := transaction.Signer{
+		Account: acc.Contract.ScriptHash(),
+		Scopes:  transaction.Global, // Scope is important, as we have nested call to container contract.
+	}
+
+	if !tryGroup {
+		return signer
+	}
+
+	nnsCs, err := c.nnsContractState()
+	if err != nil {
+		return signer
+	}
+
+	groupKey, err := nnsResolveKey(c.ReadOnlyInvoker, nnsCs.Hash, morphClient.NNSGroupKeyName)
+	if err == nil {
+		c.groupKey = groupKey
+
+		signer.Scopes = transaction.CustomGroups
+		signer.AllowedGroups = keys.PublicKeys{groupKey}
+	}
+	return signer
+}
+
+func (c *clientContext) awaitTx(cmd *cobra.Command) error {
+	if len(c.SentTxs) == 0 {
+		return nil
+	}
+
+	if local, ok := c.Client.(*localClient); ok {
+		if err := local.putTransactions(); err != nil {
+			return fmt.Errorf("can't persist transactions: %w", err)
+		}
+	}
+
+	err := awaitTx(cmd, c.Client, c.SentTxs)
+	c.SentTxs = c.SentTxs[:0]
+
+	return err
+}
+
+func awaitTx(cmd *cobra.Command, c Client, txs []hashVUBPair) error {
+	cmd.Println("Waiting for transactions to persist...")
+
+	const pollInterval = time.Second
+
+	tick := time.NewTicker(pollInterval)
+	defer tick.Stop()
+
+	at := trigger.Application
+
+	var retErr error
+
+	currBlock, err := c.GetBlockCount()
+	if err != nil {
+		return fmt.Errorf("can't fetch current block height: %w", err)
+	}
+
+loop:
+	for i := range txs {
+		res, err := c.GetApplicationLog(txs[i].hash, &at)
+		if err == nil {
+			if retErr == nil && len(res.Executions) > 0 && res.Executions[0].VMState != vmstate.Halt {
+				retErr = fmt.Errorf("tx %d persisted in %s state: %s",
+					i, res.Executions[0].VMState, res.Executions[0].FaultException)
+			}
+			continue loop
+		}
+		if txs[i].vub < currBlock {
+			return fmt.Errorf("tx was not persisted: vub=%d, height=%d", txs[i].vub, currBlock)
+		}
+		for range tick.C {
+			// We must fetch current height before application log, to avoid race condition.
+			currBlock, err = c.GetBlockCount()
+			if err != nil {
+				return fmt.Errorf("can't fetch current block height: %w", err)
+			}
+			res, err := c.GetApplicationLog(txs[i].hash, &at)
+			if err == nil {
+				if retErr == nil && len(res.Executions) > 0 && res.Executions[0].VMState != vmstate.Halt {
+					retErr = fmt.Errorf("tx %d persisted in %s state: %s",
+						i, res.Executions[0].VMState, res.Executions[0].FaultException)
+				}
+				continue loop
+			}
+			if txs[i].vub < currBlock {
+				return fmt.Errorf("tx was not persisted: vub=%d, height=%d", txs[i].vub, currBlock)
+			}
+		}
+	}
+
+	return retErr
+}
+
+// sendCommitteeTx creates transaction from script, signs it by committee nodes and sends it to RPC.
+// If tryGroup is false, global scope is used for the signer (useful when
+// working with native contracts).
+func (c *initializeContext) sendCommitteeTx(script []byte, tryGroup bool) error {
+	return c.sendMultiTx(script, tryGroup, false)
+}
+
+// sendConsensusTx creates transaction from script, signs it by alphabet nodes and sends it to RPC.
+// Not that because this is used only after the contracts were initialized and deployed,
+// we always try to have a group scope.
+func (c *initializeContext) sendConsensusTx(script []byte) error {
+	return c.sendMultiTx(script, true, true)
+}
+
+func (c *initializeContext) sendMultiTx(script []byte, tryGroup bool, withConsensus bool) error {
+	var act *actor.Actor
+	var err error
+
+	withConsensus = withConsensus && !c.ConsensusAcc.Contract.ScriptHash().Equals(c.CommitteeAcc.ScriptHash())
+	if tryGroup {
+		// Even for consensus signatures we need the committee to pay.
+		signers := make([]actor.SignerAccount, 1, 2)
+		signers[0] = actor.SignerAccount{
+			Signer:  c.getSigner(tryGroup, c.CommitteeAcc),
+			Account: c.CommitteeAcc,
+		}
+		if withConsensus {
+			signers = append(signers, actor.SignerAccount{
+				Signer:  c.getSigner(tryGroup, c.ConsensusAcc),
+				Account: c.ConsensusAcc,
+			})
+		}
+		act, err = actor.New(c.Client, signers)
+	} else {
+		if withConsensus {
+			panic("BUG: should never happen")
+		}
+		act, err = c.CommitteeAct, nil
+	}
+	if err != nil {
+		return fmt.Errorf("could not create actor: %w", err)
+	}
+
+	tx, err := act.MakeUnsignedRun(script, []transaction.Attribute{{Type: transaction.HighPriority}})
+	if err != nil {
+		return fmt.Errorf("could not perform test invocation: %w", err)
+	}
+
+	if err := c.multiSign(tx, committeeAccountName); err != nil {
+		return err
+	}
+	if withConsensus {
+		if err := c.multiSign(tx, consensusAccountName); err != nil {
+			return err
+		}
+	}
+
+	return c.sendTx(tx, c.Command, false)
+}
+
+func getWalletAccount(w *wallet.Wallet, typ string) (*wallet.Account, error) {
+	for i := range w.Accounts {
+		if w.Accounts[i].Label == typ {
+			return w.Accounts[i], nil
+		}
+	}
+	return nil, fmt.Errorf("account for '%s' not found", typ)
+}
+
+func checkNotaryEnabled(c Client) error {
+	ns, err := c.GetNativeContracts()
+	if err != nil {
+		return fmt.Errorf("can't get native contract hashes: %w", err)
+	}
+
+	notaryEnabled := false
+	nativeHashes := make(map[string]util.Uint160, len(ns))
+	for i := range ns {
+		if ns[i].Manifest.Name == nativenames.Notary {
+			notaryEnabled = len(ns[i].UpdateHistory) > 0
+		}
+		nativeHashes[ns[i].Manifest.Name] = ns[i].Hash
+	}
+	if !notaryEnabled {
+		return errors.New("notary contract must be enabled")
+	}
+	return nil
+}

cmd/frostfs-adm/internal/modules/morph/initialize_deploy.go

@@ -0,0 +1,592 @@
+package morph
+
+import (
+	"archive/tar"
+	"compress/gzip"
+	"encoding/hex"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/TrueCloudLab/frostfs-contract/common"
+	"github.com/TrueCloudLab/frostfs-contract/nns"
+	"github.com/TrueCloudLab/frostfs-node/pkg/innerring"
+	morphClient "github.com/TrueCloudLab/frostfs-node/pkg/morph/client"
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
+	io2 "github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/management"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/nef"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
+	"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
+	"github.com/spf13/viper"
+)
+
+const (
+	nnsContract        = "nns"
+	neofsContract      = "neofs"      // not deployed in side-chain.
+	processingContract = "processing" // not deployed in side-chain.
+	alphabetContract   = "alphabet"
+	auditContract      = "audit"
+	balanceContract    = "balance"
+	containerContract  = "container"
+	neofsIDContract    = "neofsid"
+	netmapContract     = "netmap"
+	proxyContract      = "proxy"
+	reputationContract = "reputation"
+	subnetContract     = "subnet"
+)
+
+const (
+	netmapEpochKey                   = "EpochDuration"
+	netmapMaxObjectSizeKey           = "MaxObjectSize"
+	netmapAuditFeeKey                = "AuditFee"
+	netmapContainerFeeKey            = "ContainerFee"
+	netmapContainerAliasFeeKey       = "ContainerAliasFee"
+	netmapEigenTrustIterationsKey    = "EigenTrustIterations"
+	netmapEigenTrustAlphaKey         = "EigenTrustAlpha"
+	netmapBasicIncomeRateKey         = "BasicIncomeRate"
+	netmapInnerRingCandidateFeeKey   = "InnerRingCandidateFee"
+	netmapWithdrawFeeKey             = "WithdrawFee"
+	netmapHomomorphicHashDisabledKey = "HomomorphicHashingDisabled"
+	netmapMaintenanceAllowedKey      = "MaintenanceModeAllowed"
+
+	defaultEigenTrustIterations = 4
+	defaultEigenTrustAlpha      = "0.1"
+)
+
+var (
+	contractList = []string{
+		auditContract,
+		balanceContract,
+		containerContract,
+		neofsIDContract,
+		netmapContract,
+		proxyContract,
+		reputationContract,
+		subnetContract,
+	}
+
+	fullContractList = append([]string{
+		neofsContract,
+		processingContract,
+		nnsContract,
+		alphabetContract,
+	}, contractList...)
+)
+
+type contractState struct {
+	NEF         *nef.File
+	RawNEF      []byte
+	Manifest    *manifest.Manifest
+	RawManifest []byte
+	Hash        util.Uint160
+}
+
+const (
+	updateMethodName = "update"
+	deployMethodName = "deploy"
+)
+
+func (c *initializeContext) deployNNS(method string) error {
+	cs := c.getContract(nnsContract)
+	h := cs.Hash
+
+	nnsCs, err := c.nnsContractState()
+	if err == nil {
+		if nnsCs.NEF.Checksum == cs.NEF.Checksum {
+			if method == deployMethodName {
+				c.Command.Println("NNS contract is already deployed.")
+			} else {
+				c.Command.Println("NNS contract is already updated.")
+			}
+			return nil
+		}
+		h = nnsCs.Hash
+	}
+
+	err = c.addManifestGroup(h, cs)
+	if err != nil {
+		return fmt.Errorf("can't sign manifest group: %v", err)
+	}
+
+	params := getContractDeployParameters(cs, nil)
+	signer := transaction.Signer{
+		Account: c.CommitteeAcc.Contract.ScriptHash(),
+		Scopes:  transaction.CalledByEntry,
+	}
+
+	invokeHash := management.Hash
+	if method == updateMethodName {
+		invokeHash = nnsCs.Hash
+	}
+
+	res, err := invokeFunction(c.Client, invokeHash, method, params, []transaction.Signer{signer})
+	if err != nil {
+		return fmt.Errorf("can't deploy NNS contract: %w", err)
+	}
+	if res.State != vmstate.Halt.String() {
+		return fmt.Errorf("can't deploy NNS contract: %s", res.FaultException)
+	}
+
+	tx, err := c.Client.CreateTxFromScript(res.Script, c.CommitteeAcc, res.GasConsumed, 0, []rpcclient.SignerAccount{{
+		Signer:  signer,
+		Account: c.CommitteeAcc,
+	}})
+	if err != nil {
+		return fmt.Errorf("failed to create deploy tx for %s: %w", nnsContract, err)
+	}
+
+	if err := c.multiSignAndSend(tx, committeeAccountName); err != nil {
+		return fmt.Errorf("can't send deploy transaction: %w", err)
+	}
+
+	return c.awaitTx()
+}
+
+func (c *initializeContext) updateContracts() error {
+	alphaCs := c.getContract(alphabetContract)
+
+	nnsCs, err := c.nnsContractState()
+	if err != nil {
+		return err
+	}
+	nnsHash := nnsCs.Hash
+
+	w := io2.NewBufBinWriter()
+
+	var keysParam []interface{}
+
+	// Update script size for a single-node committee is close to the maximum allowed size of 65535.
+	// Because of this we want to reuse alphabet contract NEF and manifest for different updates.
+	// The generated script is as following.
+	// 1. Initialize static slot for alphabet NEF.
+	// 2. Store NEF into the static slot.
+	// 3. Push parameters for each alphabet contract on stack.
+	// 4. Add contract group to the manifest.
+	// 5. For each alphabet contract, invoke `update` using parameters on stack and
+	//    NEF from step 2 and manifest from step 4.
+	emit.Instruction(w.BinWriter, opcode.INITSSLOT, []byte{1})
+	emit.Bytes(w.BinWriter, alphaCs.RawNEF)
+	emit.Opcodes(w.BinWriter, opcode.STSFLD0)
+
+	baseGroups := alphaCs.Manifest.Groups
+
+	// alphabet contracts should be deployed by individual nodes to get different hashes.
+	for i, acc := range c.Accounts {
+		ctrHash, err := nnsResolveHash(c.ReadOnlyInvoker, nnsHash, getAlphabetNNSDomain(i))
+		if err != nil {
+			return fmt.Errorf("can't resolve hash for contract update: %w", err)
+		}
+
+		keysParam = append(keysParam, acc.PrivateKey().PublicKey().Bytes())
+
+		params := c.getAlphabetDeployItems(i, len(c.Wallets))
+		emit.Array(w.BinWriter, params...)
+
+		alphaCs.Manifest.Groups = baseGroups
+		err = c.addManifestGroup(ctrHash, alphaCs)
+		if err != nil {
+			return fmt.Errorf("can't sign manifest group: %v", err)
+		}
+
+		emit.Bytes(w.BinWriter, alphaCs.RawManifest)
+		emit.Opcodes(w.BinWriter, opcode.LDSFLD0)
+		emit.Int(w.BinWriter, 3)
+		emit.Opcodes(w.BinWriter, opcode.PACK)
+		emit.AppCallNoArgs(w.BinWriter, ctrHash, updateMethodName, callflag.All)
+	}
+
+	if err := c.sendCommitteeTx(w.Bytes(), false); err != nil {
+		if !strings.Contains(err.Error(), common.ErrAlreadyUpdated) {
+			return err
+		}
+		c.Command.Println("Alphabet contracts are already updated.")
+	}
+
+	w.Reset()
+
+	emit.Instruction(w.BinWriter, opcode.INITSSLOT, []byte{1})
+	emit.AppCall(w.BinWriter, nnsHash, "getPrice", callflag.All)
+	emit.Opcodes(w.BinWriter, opcode.STSFLD0)
+	emit.AppCall(w.BinWriter, nnsHash, "setPrice", callflag.All, 1)
+
+	for _, ctrName := range contractList {
+		cs := c.getContract(ctrName)
+
+		method := updateMethodName
+		ctrHash, err := nnsResolveHash(c.ReadOnlyInvoker, nnsHash, ctrName+".frostfs")
+		if err != nil {
+			if errors.Is(err, errMissingNNSRecord) {
+				// if contract not found we deploy it instead of update
+				method = deployMethodName
+			} else {
+				return fmt.Errorf("can't resolve hash for contract update: %w", err)
+			}
+		}
+
+		err = c.addManifestGroup(ctrHash, cs)
+		if err != nil {
+			return fmt.Errorf("can't sign manifest group: %v", err)
+		}
+
+		invokeHash := management.Hash
+		if method == updateMethodName {
+			invokeHash = ctrHash
+		}
+
+		params := getContractDeployParameters(cs, c.getContractDeployData(ctrName, keysParam))
+		res, err := c.CommitteeAct.MakeCall(invokeHash, method, params...)
+		if err != nil {
+			if method != updateMethodName || !strings.Contains(err.Error(), common.ErrAlreadyUpdated) {
+				return fmt.Errorf("deploy contract: %w", err)
+			}
+			c.Command.Printf("%s contract is already updated.\n", ctrName)
+			continue
+		}
+
+		w.WriteBytes(res.Script)
+
+		if method == deployMethodName {
+			// same actions are done in initializeContext.setNNS, can be unified
+			domain := ctrName + ".frostfs"
+			script, ok, err := c.nnsRegisterDomainScript(nnsHash, cs.Hash, domain)
+			if err != nil {
+				return err
+			}
+			if !ok {
+				w.WriteBytes(script)
+				emit.AppCall(w.BinWriter, nnsHash, "deleteRecords", callflag.All, domain, int64(nns.TXT))
+				emit.AppCall(w.BinWriter, nnsHash, "addRecord", callflag.All,
+					domain, int64(nns.TXT), cs.Hash.StringLE())
+				emit.AppCall(w.BinWriter, nnsHash, "addRecord", callflag.All,
+					domain, int64(nns.TXT), address.Uint160ToString(cs.Hash))
+			}
+			c.Command.Printf("NNS: Set %s -> %s\n", domain, cs.Hash.StringLE())
+		}
+	}
+
+	groupKey := c.ContractWallet.Accounts[0].PrivateKey().PublicKey()
+	_, _, err = c.emitUpdateNNSGroupScript(w, nnsHash, groupKey)
+	if err != nil {
+		return err
+	}
+	c.Command.Printf("NNS: Set %s -> %s\n", morphClient.NNSGroupKeyName, hex.EncodeToString(groupKey.Bytes()))
+
+	emit.Opcodes(w.BinWriter, opcode.LDSFLD0)
+	emit.Int(w.BinWriter, 1)
+	emit.Opcodes(w.BinWriter, opcode.PACK)
+	emit.AppCallNoArgs(w.BinWriter, nnsHash, "setPrice", callflag.All)
+
+	if err := c.sendCommitteeTx(w.Bytes(), false); err != nil {
+		return err
+	}
+	return c.awaitTx()
+}
+
+func (c *initializeContext) deployContracts() error {
+	alphaCs := c.getContract(alphabetContract)
+
+	var keysParam []interface{}
+
+	baseGroups := alphaCs.Manifest.Groups
+
+	// alphabet contracts should be deployed by individual nodes to get different hashes.
+	for i, acc := range c.Accounts {
+		ctrHash := state.CreateContractHash(acc.Contract.ScriptHash(), alphaCs.NEF.Checksum, alphaCs.Manifest.Name)
+		if c.isUpdated(ctrHash, alphaCs) {
+			c.Command.Printf("Alphabet contract #%d is already deployed.\n", i)
+			continue
+		}
+
+		alphaCs.Manifest.Groups = baseGroups
+		err := c.addManifestGroup(ctrHash, alphaCs)
+		if err != nil {
+			return fmt.Errorf("can't sign manifest group: %v", err)
+		}
+
+		keysParam = append(keysParam, acc.PrivateKey().PublicKey().Bytes())
+		params := getContractDeployParameters(alphaCs, c.getAlphabetDeployItems(i, len(c.Wallets)))
+
+		act, err := actor.NewSimple(c.Client, acc)
+		if err != nil {
+			return fmt.Errorf("could not create actor: %w", err)
+		}
+
+		txHash, vub, err := act.SendCall(management.Hash, deployMethodName, params...)
+		if err != nil {
+			return fmt.Errorf("can't deploy alphabet #%d contract: %w", i, err)
+		}
+
+		c.SentTxs = append(c.SentTxs, hashVUBPair{hash: txHash, vub: vub})
+	}
+
+	for _, ctrName := range contractList {
+		cs := c.getContract(ctrName)
+
+		ctrHash := cs.Hash
+		if c.isUpdated(ctrHash, cs) {
+			c.Command.Printf("%s contract is already deployed.\n", ctrName)
+			continue
+		}
+
+		err := c.addManifestGroup(ctrHash, cs)
+		if err != nil {
+			return fmt.Errorf("can't sign manifest group: %v", err)
+		}
+
+		params := getContractDeployParameters(cs, c.getContractDeployData(ctrName, keysParam))
+		res, err := c.CommitteeAct.MakeCall(management.Hash, deployMethodName, params...)
+		if err != nil {
+			return fmt.Errorf("can't deploy %s contract: %w", ctrName, err)
+		}
+
+		if err := c.sendCommitteeTx(res.Script, false); err != nil {
+			return err
+		}
+	}
+
+	return c.awaitTx()
+}
+
+func (c *initializeContext) isUpdated(ctrHash util.Uint160, cs *contractState) bool {
+	realCs, err := c.Client.GetContractStateByHash(ctrHash)
+	return err == nil && realCs.NEF.Checksum == cs.NEF.Checksum
+}
+
+func (c *initializeContext) getContract(ctrName string) *contractState {
+	return c.Contracts[ctrName]
+}
+
+func (c *initializeContext) readContracts(names []string) error {
+	var (
+		fi  os.FileInfo
+		err error
+	)
+	if c.ContractPath != "" {
+		fi, err = os.Stat(c.ContractPath)
+		if err != nil {
+			return fmt.Errorf("invalid contracts path: %w", err)
+		}
+	}
+
+	if c.ContractPath != "" && fi.IsDir() {
+		for _, ctrName := range names {
+			cs, err := readContract(filepath.Join(c.ContractPath, ctrName), ctrName)
+			if err != nil {
+				return err
+			}
+			c.Contracts[ctrName] = cs
+		}
+	} else {
+		var r io.ReadCloser
+		if c.ContractPath == "" {
+			c.Command.Println("Contracts flag is missing, latest release will be fetched from Github.")
+			r, err = downloadContractsFromGithub(c.Command)
+		} else {
+			r, err = os.Open(c.ContractPath)
+		}
+		if err != nil {
+			return fmt.Errorf("can't open contracts archive: %w", err)
+		}
+		defer r.Close()
+
+		m, err := readContractsFromArchive(r, names)
+		if err != nil {
+			return err
+		}
+		for _, name := range names {
+			if err := m[name].parse(); err != nil {
+				return err
+			}
+			c.Contracts[name] = m[name]
+		}
+	}
+
+	for _, ctrName := range names {
+		if ctrName != alphabetContract {
+			cs := c.Contracts[ctrName]
+			cs.Hash = state.CreateContractHash(c.CommitteeAcc.Contract.ScriptHash(),
+				cs.NEF.Checksum, cs.Manifest.Name)
+		}
+	}
+	return nil
+}
+
+func readContract(ctrPath, ctrName string) (*contractState, error) {
+	rawNef, err := os.ReadFile(filepath.Join(ctrPath, ctrName+"_contract.nef"))
+	if err != nil {
+		return nil, fmt.Errorf("can't read NEF file for %s contract: %w", ctrName, err)
+	}
+	rawManif, err := os.ReadFile(filepath.Join(ctrPath, "config.json"))
+	if err != nil {
+		return nil, fmt.Errorf("can't read manifest file for %s contract: %w", ctrName, err)
+	}
+
+	cs := &contractState{
+		RawNEF:      rawNef,
+		RawManifest: rawManif,
+	}
+
+	return cs, cs.parse()
+}
+
+func (cs *contractState) parse() error {
+	nf, err := nef.FileFromBytes(cs.RawNEF)
+	if err != nil {
+		return fmt.Errorf("can't parse NEF file: %w", err)
+	}
+
+	m := new(manifest.Manifest)
+	if err := json.Unmarshal(cs.RawManifest, m); err != nil {
+		return fmt.Errorf("can't parse manifest file: %w", err)
+	}
+
+	cs.NEF = &nf
+	cs.Manifest = m
+	return nil
+}
+
+func readContractsFromArchive(file io.Reader, names []string) (map[string]*contractState, error) {
+	m := make(map[string]*contractState, len(names))
+	for i := range names {
+		m[names[i]] = new(contractState)
+	}
+
+	gr, err := gzip.NewReader(file)
+	if err != nil {
+		return nil, fmt.Errorf("contracts file must be tar.gz archive: %w", err)
+	}
+
+	r := tar.NewReader(gr)
+	for h, err := r.Next(); ; h, err = r.Next() {
+		if err != nil {
+			break
+		}
+
+		dir, _ := filepath.Split(h.Name)
+		ctrName := filepath.Base(dir)
+
+		cs, ok := m[ctrName]
+		if !ok {
+			continue
+		}
+
+		switch {
+		case strings.HasSuffix(h.Name, filepath.Join(ctrName, ctrName+"_contract.nef")):
+			cs.RawNEF, err = io.ReadAll(r)
+			if err != nil {
+				return nil, fmt.Errorf("can't read NEF file for %s contract: %w", ctrName, err)
+			}
+		case strings.HasSuffix(h.Name, "config.json"):
+			cs.RawManifest, err = io.ReadAll(r)
+			if err != nil {
+				return nil, fmt.Errorf("can't read manifest file for %s contract: %w", ctrName, err)
+			}
+		}
+		m[ctrName] = cs
+	}
+
+	for ctrName, cs := range m {
+		if cs.RawNEF == nil {
+			return nil, fmt.Errorf("NEF for %s contract wasn't found", ctrName)
+		}
+		if cs.RawManifest == nil {
+			return nil, fmt.Errorf("manifest for %s contract wasn't found", ctrName)
+		}
+	}
+	return m, nil
+}
+
+func getContractDeployParameters(cs *contractState, deployData []interface{}) []interface{} {
+	return []interface{}{cs.RawNEF, cs.RawManifest, deployData}
+}
+
+func (c *initializeContext) getContractDeployData(ctrName string, keysParam []interface{}) []interface{} {
+	items := make([]interface{}, 1, 6)
+	items[0] = false // notaryDisabled is false
+
+	switch ctrName {
+	case neofsContract:
+		items = append(items,
+			c.Contracts[processingContract].Hash,
+			keysParam,
+			smartcontract.Parameter{})
+	case processingContract:
+		items = append(items, c.Contracts[neofsContract].Hash)
+		return items[1:] // no notary info
+	case auditContract:
+		items = append(items, c.Contracts[netmapContract].Hash)
+	case balanceContract:
+		items = append(items,
+			c.Contracts[netmapContract].Hash,
+			c.Contracts[containerContract].Hash)
+	case containerContract:
+		// In case if NNS is updated multiple times, we can't calculate
+		// it's actual hash based on local data, thus query chain.
+		nnsCs, err := c.Client.GetContractStateByID(1)
+		if err != nil {
+			panic("NNS is not yet deployed")
+		}
+		items = append(items,
+			c.Contracts[netmapContract].Hash,
+			c.Contracts[balanceContract].Hash,
+			c.Contracts[neofsIDContract].Hash,
+			nnsCs.Hash,
+			"container")
+	case neofsIDContract:
+		items = append(items,
+			c.Contracts[netmapContract].Hash,
+			c.Contracts[containerContract].Hash)
+	case netmapContract:
+		configParam := []interface{}{
+			netmapEpochKey, viper.GetInt64(epochDurationInitFlag),
+			netmapMaxObjectSizeKey, viper.GetInt64(maxObjectSizeInitFlag),
+			netmapAuditFeeKey, viper.GetInt64(auditFeeInitFlag),
+			netmapContainerFeeKey, viper.GetInt64(containerFeeInitFlag),
+			netmapContainerAliasFeeKey, viper.GetInt64(containerAliasFeeInitFlag),
+			netmapEigenTrustIterationsKey, int64(defaultEigenTrustIterations),
+			netmapEigenTrustAlphaKey, defaultEigenTrustAlpha,
+			netmapBasicIncomeRateKey, viper.GetInt64(incomeRateInitFlag),
+			netmapInnerRingCandidateFeeKey, viper.GetInt64(candidateFeeInitFlag),
+			netmapWithdrawFeeKey, viper.GetInt64(withdrawFeeInitFlag),
+			netmapHomomorphicHashDisabledKey, viper.GetBool(homomorphicHashDisabledInitFlag),
+			netmapMaintenanceAllowedKey, viper.GetBool(maintenanceModeAllowedInitFlag),
+		}
+		items = append(items,
+			c.Contracts[balanceContract].Hash,
+			c.Contracts[containerContract].Hash,
+			keysParam,
+			configParam)
+	case proxyContract:
+		items = nil
+	case reputationContract:
+	case subnetContract:
+	default:
+		panic(fmt.Sprintf("invalid contract name: %s", ctrName))
+	}
+	return items
+}
+
+func (c *initializeContext) getAlphabetDeployItems(i, n int) []interface{} {
+	items := make([]interface{}, 6)
+	items[0] = false
+	items[1] = c.Contracts[netmapContract].Hash
+	items[2] = c.Contracts[proxyContract].Hash
+	items[3] = innerring.GlagoliticLetter(i).String()
+	items[4] = int64(i)
+	items[5] = int64(n)
+	return items
+}

cmd/frostfs-adm/internal/modules/morph/initialize_nns.go

@@ -0,0 +1,291 @@
+package morph
+
+import (
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"strconv"
+	"time"
+
+	"github.com/TrueCloudLab/frostfs-contract/nns"
+	morphClient "github.com/TrueCloudLab/frostfs-node/pkg/morph/client"
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
+)
+
+const defaultExpirationTime = 10 * 365 * 24 * time.Hour / time.Second
+
+func (c *initializeContext) setNNS() error {
+	nnsCs, err := c.Client.GetContractStateByID(1)
+	if err != nil {
+		return err
+	}
+
+	ok, err := c.nnsRootRegistered(nnsCs.Hash, "frostfs")
+	if err != nil {
+		return err
+	} else if !ok {
+		bw := io.NewBufBinWriter()
+		emit.AppCall(bw.BinWriter, nnsCs.Hash, "register", callflag.All,
+			"frostfs", c.CommitteeAcc.Contract.ScriptHash(),
+			"ops@nspcc.ru", int64(3600), int64(600), int64(defaultExpirationTime), int64(3600))
+		emit.Opcodes(bw.BinWriter, opcode.ASSERT)
+		if err := c.sendCommitteeTx(bw.Bytes(), true); err != nil {
+			return fmt.Errorf("can't add domain root to NNS: %w", err)
+		}
+		if err := c.awaitTx(); err != nil {
+			return err
+		}
+	}
+
+	alphaCs := c.getContract(alphabetContract)
+	for i, acc := range c.Accounts {
+		alphaCs.Hash = state.CreateContractHash(acc.Contract.ScriptHash(), alphaCs.NEF.Checksum, alphaCs.Manifest.Name)
+
+		domain := getAlphabetNNSDomain(i)
+		if err := c.nnsRegisterDomain(nnsCs.Hash, alphaCs.Hash, domain); err != nil {
+			return err
+		}
+		c.Command.Printf("NNS: Set %s -> %s\n", domain, alphaCs.Hash.StringLE())
+	}
+
+	for _, ctrName := range contractList {
+		cs := c.getContract(ctrName)
+
+		domain := ctrName + ".frostfs"
+		if err := c.nnsRegisterDomain(nnsCs.Hash, cs.Hash, domain); err != nil {
+			return err
+		}
+		c.Command.Printf("NNS: Set %s -> %s\n", domain, cs.Hash.StringLE())
+	}
+
+	groupKey := c.ContractWallet.Accounts[0].PrivateKey().PublicKey()
+	err = c.updateNNSGroup(nnsCs.Hash, groupKey)
+	if err != nil {
+		return err
+	}
+	c.Command.Printf("NNS: Set %s -> %s\n", morphClient.NNSGroupKeyName, hex.EncodeToString(groupKey.Bytes()))
+
+	return c.awaitTx()
+}
+
+func (c *initializeContext) updateNNSGroup(nnsHash util.Uint160, pub *keys.PublicKey) error {
+	bw := io.NewBufBinWriter()
+	needUpdate, needRegister, err := c.emitUpdateNNSGroupScript(bw, nnsHash, pub)
+	if !needUpdate || err != nil {
+		return err
+	}
+
+	script := bw.Bytes()
+	if needRegister {
+		w := io.NewBufBinWriter()
+		emit.Instruction(w.BinWriter, opcode.INITSSLOT, []byte{1})
+		wrapRegisterScriptWithPrice(w, nnsHash, script)
+		script = w.Bytes()
+	}
+
+	return c.sendCommitteeTx(script, true)
+}
+
+// emitUpdateNNSGroupScript emits script for updating group key stored in NNS.
+// First return value is true iff the key is already there and nothing should be done.
+// Second return value is true iff a domain registration code was emitted.
+func (c *initializeContext) emitUpdateNNSGroupScript(bw *io.BufBinWriter, nnsHash util.Uint160, pub *keys.PublicKey) (bool, bool, error) {
+	isAvail, err := nnsIsAvailable(c.Client, nnsHash, morphClient.NNSGroupKeyName)
+	if err != nil {
+		return false, false, err
+	}
+
+	if !isAvail {
+		currentPub, err := nnsResolveKey(c.ReadOnlyInvoker, nnsHash, morphClient.NNSGroupKeyName)
+		if err != nil {
+			return false, false, err
+		}
+
+		if pub.Equal(currentPub) {
+			return true, false, nil
+		}
+	}
+
+	if isAvail {
+		emit.AppCall(bw.BinWriter, nnsHash, "register", callflag.All,
+			morphClient.NNSGroupKeyName, c.CommitteeAcc.Contract.ScriptHash(),
+			"ops@nspcc.ru", int64(3600), int64(600), int64(defaultExpirationTime), int64(3600))
+		emit.Opcodes(bw.BinWriter, opcode.ASSERT)
+	}
+
+	emit.AppCall(bw.BinWriter, nnsHash, "deleteRecords", callflag.All, "group.frostfs", int64(nns.TXT))
+	emit.AppCall(bw.BinWriter, nnsHash, "addRecord", callflag.All,
+		"group.frostfs", int64(nns.TXT), hex.EncodeToString(pub.Bytes()))
+
+	return false, isAvail, nil
+}
+
+func getAlphabetNNSDomain(i int) string {
+	return alphabetContract + strconv.FormatUint(uint64(i), 10) + ".frostfs"
+}
+
+// wrapRegisterScriptWithPrice wraps a given script with `getPrice`/`setPrice` calls for NNS.
+// It is intended to be used for a single transaction, and not as a part of other scripts.
+// It is assumed that script already contains static slot initialization code, the first one
+// (with index 0) is used to store the price.
+func wrapRegisterScriptWithPrice(w *io.BufBinWriter, nnsHash util.Uint160, s []byte) {
+	if len(s) == 0 {
+		return
+	}
+
+	emit.AppCall(w.BinWriter, nnsHash, "getPrice", callflag.All)
+	emit.Opcodes(w.BinWriter, opcode.STSFLD0)
+	emit.AppCall(w.BinWriter, nnsHash, "setPrice", callflag.All, 1)
+
+	w.WriteBytes(s)
+
+	emit.Opcodes(w.BinWriter, opcode.LDSFLD0, opcode.PUSH1, opcode.PACK)
+	emit.AppCallNoArgs(w.BinWriter, nnsHash, "setPrice", callflag.All)
+
+	if w.Err != nil {
+		panic(fmt.Errorf("BUG: can't wrap register script: %w", w.Err))
+	}
+}
+
+func (c *initializeContext) nnsRegisterDomainScript(nnsHash, expectedHash util.Uint160, domain string) ([]byte, bool, error) {
+	ok, err := nnsIsAvailable(c.Client, nnsHash, domain)
+	if err != nil {
+		return nil, false, err
+	}
+
+	if ok {
+		bw := io.NewBufBinWriter()
+		emit.AppCall(bw.BinWriter, nnsHash, "register", callflag.All,
+			domain, c.CommitteeAcc.Contract.ScriptHash(),
+			"ops@nspcc.ru", int64(3600), int64(600), int64(defaultExpirationTime), int64(3600))
+		emit.Opcodes(bw.BinWriter, opcode.ASSERT)
+
+		if bw.Err != nil {
+			panic(bw.Err)
+		}
+		return bw.Bytes(), false, nil
+	}
+
+	s, err := nnsResolveHash(c.ReadOnlyInvoker, nnsHash, domain)
+	if err != nil {
+		return nil, false, err
+	}
+	return nil, s == expectedHash, nil
+}
+
+func (c *initializeContext) nnsRegisterDomain(nnsHash, expectedHash util.Uint160, domain string) error {
+	script, ok, err := c.nnsRegisterDomainScript(nnsHash, expectedHash, domain)
+	if ok || err != nil {
+		return err
+	}
+
+	w := io.NewBufBinWriter()
+	emit.Instruction(w.BinWriter, opcode.INITSSLOT, []byte{1})
+	wrapRegisterScriptWithPrice(w, nnsHash, script)
+
+	emit.AppCall(w.BinWriter, nnsHash, "deleteRecords", callflag.All, domain, int64(nns.TXT))
+	emit.AppCall(w.BinWriter, nnsHash, "addRecord", callflag.All,
+		domain, int64(nns.TXT), expectedHash.StringLE())
+	emit.AppCall(w.BinWriter, nnsHash, "addRecord", callflag.All,
+		domain, int64(nns.TXT), address.Uint160ToString(expectedHash))
+	return c.sendCommitteeTx(w.Bytes(), true)
+}
+
+func (c *initializeContext) nnsRootRegistered(nnsHash util.Uint160, zone string) (bool, error) {
+	res, err := c.CommitteeAct.Call(nnsHash, "isAvailable", "name."+zone)
+	if err != nil {
+		return false, err
+	}
+
+	return res.State == vmstate.Halt.String(), nil
+}
+
+var errMissingNNSRecord = errors.New("missing NNS record")
+
+// Returns errMissingNNSRecord if invocation fault exception contains "token not found".
+func nnsResolveHash(inv *invoker.Invoker, nnsHash util.Uint160, domain string) (util.Uint160, error) {
+	item, err := nnsResolve(inv, nnsHash, domain)
+	if err != nil {
+		return util.Uint160{}, err
+	}
+	return parseNNSResolveResult(item)
+}
+
+func nnsResolve(inv *invoker.Invoker, nnsHash util.Uint160, domain string) (stackitem.Item, error) {
+	return unwrap.Item(inv.Call(nnsHash, "resolve", domain, int64(nns.TXT)))
+}
+
+func nnsResolveKey(inv *invoker.Invoker, nnsHash util.Uint160, domain string) (*keys.PublicKey, error) {
+	item, err := nnsResolve(inv, nnsHash, domain)
+	if err != nil {
+		return nil, err
+	}
+	v, ok := item.Value().(stackitem.Null)
+	if ok {
+		return nil, errors.New("NNS record is missing")
+	}
+	bs, err := v.TryBytes()
+	if err != nil {
+		return nil, errors.New("malformed response")
+	}
+
+	return keys.NewPublicKeyFromString(string(bs))
+}
+
+// parseNNSResolveResult parses the result of resolving NNS record.
+// It works with multiple formats (corresponding to multiple NNS versions).
+// If array of hashes is provided, it returns only the first one.
+func parseNNSResolveResult(res stackitem.Item) (util.Uint160, error) {
+	arr, ok := res.Value().([]stackitem.Item)
+	if !ok {
+		arr = []stackitem.Item{res}
+	}
+	if _, ok := res.Value().(stackitem.Null); ok || len(arr) == 0 {
+		return util.Uint160{}, errors.New("NNS record is missing")
+	}
+	for i := range arr {
+		bs, err := arr[i].TryBytes()
+		if err != nil {
+			continue
+		}
+
+		// We support several formats for hash encoding, this logic should be maintained in sync
+		// with nnsResolve from pkg/morph/client/nns.go
+		h, err := util.Uint160DecodeStringLE(string(bs))
+		if err == nil {
+			return h, nil
+		}
+
+		h, err = address.StringToUint160(string(bs))
+		if err == nil {
+			return h, nil
+		}
+	}
+	return util.Uint160{}, errors.New("no valid hashes are found")
+}
+
+func nnsIsAvailable(c Client, nnsHash util.Uint160, name string) (bool, error) {
+	switch ct := c.(type) {
+	case *rpcclient.Client:
+		return ct.NNSIsAvailable(nnsHash, name)
+	default:
+		b, err := unwrap.Bool(invokeFunction(c, nnsHash, "isAvailable", []interface{}{name}, nil))
+		if err != nil {
+			return false, fmt.Errorf("`isAvailable`: invalid response: %w", err)
+		}
+
+		return b, nil
+	}
+}

cmd/frostfs-adm/internal/modules/morph/initialize_register.go

@@ -0,0 +1,137 @@
+package morph
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/nspcc-dev/neo-go/pkg/core/native"
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/neo"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
+)
+
+// initialAlphabetNEOAmount represents the total amount of GAS distributed between alphabet nodes.
+const initialAlphabetNEOAmount = native.NEOTotalSupply
+
+func (c *initializeContext) registerCandidates() error {
+	neoHash := neo.Hash
+
+	cc, err := unwrap.Array(c.ReadOnlyInvoker.Call(neoHash, "getCandidates"))
+	if err != nil {
+		return fmt.Errorf("`getCandidates`: %w", err)
+	}
+
+	if len(cc) > 0 {
+		c.Command.Println("Candidates are already registered.")
+		return nil
+	}
+
+	regPrice, err := c.getCandidateRegisterPrice()
+	if err != nil {
+		return fmt.Errorf("can't fetch registration price: %w", err)
+	}
+
+	w := io.NewBufBinWriter()
+	emit.AppCall(w.BinWriter, neoHash, "setRegisterPrice", callflag.States, 1)
+	for _, acc := range c.Accounts {
+		emit.AppCall(w.BinWriter, neoHash, "registerCandidate", callflag.States, acc.PrivateKey().PublicKey().Bytes())
+		emit.Opcodes(w.BinWriter, opcode.ASSERT)
+	}
+	emit.AppCall(w.BinWriter, neoHash, "setRegisterPrice", callflag.States, regPrice)
+	if w.Err != nil {
+		panic(fmt.Sprintf("BUG: %v", w.Err))
+	}
+
+	signers := []rpcclient.SignerAccount{{
+		Signer:  c.getSigner(false, c.CommitteeAcc),
+		Account: c.CommitteeAcc,
+	}}
+	for i := range c.Accounts {
+		signers = append(signers, rpcclient.SignerAccount{
+			Signer: transaction.Signer{
+				Account:          c.Accounts[i].Contract.ScriptHash(),
+				Scopes:           transaction.CustomContracts,
+				AllowedContracts: []util.Uint160{neoHash},
+			},
+			Account: c.Accounts[i],
+		})
+	}
+
+	tx, err := c.Client.CreateTxFromScript(w.Bytes(), c.CommitteeAcc, -1, 0, signers)
+	if err != nil {
+		return fmt.Errorf("can't create tx: %w", err)
+	}
+	if err := c.multiSign(tx, committeeAccountName); err != nil {
+		return fmt.Errorf("can't sign a transaction: %w", err)
+	}
+
+	network := c.CommitteeAct.GetNetwork()
+	for i := range c.Accounts {
+		if err := c.Accounts[i].SignTx(network, tx); err != nil {
+			return fmt.Errorf("can't sign a transaction: %w", err)
+		}
+	}
+
+	return c.sendTx(tx, c.Command, true)
+}
+
+func (c *initializeContext) transferNEOToAlphabetContracts() error {
+	neoHash := neo.Hash
+
+	ok, err := c.transferNEOFinished(neoHash)
+	if ok || err != nil {
+		return err
+	}
+
+	cs := c.getContract(alphabetContract)
+	amount := initialAlphabetNEOAmount / len(c.Wallets)
+
+	bw := io.NewBufBinWriter()
+	for _, acc := range c.Accounts {
+		h := state.CreateContractHash(acc.Contract.ScriptHash(), cs.NEF.Checksum, cs.Manifest.Name)
+		emit.AppCall(bw.BinWriter, neoHash, "transfer", callflag.All,
+			c.CommitteeAcc.Contract.ScriptHash(), h, int64(amount), nil)
+		emit.Opcodes(bw.BinWriter, opcode.ASSERT)
+	}
+
+	if err := c.sendCommitteeTx(bw.Bytes(), false); err != nil {
+		return err
+	}
+
+	return c.awaitTx()
+}
+
+func (c *initializeContext) transferNEOFinished(neoHash util.Uint160) (bool, error) {
+	bal, err := c.Client.NEP17BalanceOf(neoHash, c.CommitteeAcc.Contract.ScriptHash())
+	return bal < native.NEOTotalSupply, err
+}
+
+var errGetPriceInvalid = errors.New("`getRegisterPrice`: invalid response")
+
+func (c *initializeContext) getCandidateRegisterPrice() (int64, error) {
+	switch ct := c.Client.(type) {
+	case *rpcclient.Client:
+		return ct.GetCandidateRegisterPrice()
+	default:
+		neoHash := neo.Hash
+		res, err := invokeFunction(c.Client, neoHash, "getRegisterPrice", nil, nil)
+		if err != nil {
+			return 0, err
+		}
+		if len(res.Stack) == 0 {
+			return 0, errGetPriceInvalid
+		}
+		bi, err := res.Stack[0].TryInteger()
+		if err != nil || !bi.IsInt64() {
+			return 0, errGetPriceInvalid
+		}
+		return bi.Int64(), nil
+	}
+}

cmd/frostfs-adm/internal/modules/morph/initialize_roles.go

@@ -0,0 +1,45 @@
+package morph
+
+import (
+	"github.com/nspcc-dev/neo-go/pkg/core/native/noderoles"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/rolemgmt"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+)
+
+func (c *initializeContext) setNotaryAndAlphabetNodes() error {
+	if ok, err := c.setRolesFinished(); ok || err != nil {
+		if err == nil {
+			c.Command.Println("Stage 2: already performed.")
+		}
+		return err
+	}
+
+	var pubs []interface{}
+	for _, acc := range c.Accounts {
+		pubs = append(pubs, acc.PrivateKey().PublicKey().Bytes())
+	}
+
+	w := io.NewBufBinWriter()
+	emit.AppCall(w.BinWriter, rolemgmt.Hash, "designateAsRole",
+		callflag.States|callflag.AllowNotify, int64(noderoles.P2PNotary), pubs)
+	emit.AppCall(w.BinWriter, rolemgmt.Hash, "designateAsRole",
+		callflag.States|callflag.AllowNotify, int64(noderoles.NeoFSAlphabet), pubs)
+
+	if err := c.sendCommitteeTx(w.Bytes(), false); err != nil {
+		return err
+	}
+
+	return c.awaitTx()
+}
+
+func (c *initializeContext) setRolesFinished() (bool, error) {
+	height, err := c.Client.GetBlockCount()
+	if err != nil {
+		return false, err
+	}
+
+	pubs, err := getDesignatedByRole(c.ReadOnlyInvoker, rolemgmt.Hash, noderoles.NeoFSAlphabet, height)
+	return len(pubs) == len(c.Wallets), err
+}

cmd/frostfs-adm/internal/modules/morph/initialize_test.go

@@ -0,0 +1,117 @@
+package morph
+
+import (
+	"encoding/hex"
+	"os"
+	"path/filepath"
+	"strconv"
+	"testing"
+
+	"github.com/TrueCloudLab/frostfs-node/pkg/innerring"
+	"github.com/nspcc-dev/neo-go/pkg/config"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/vm"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+	"github.com/spf13/viper"
+	"github.com/stretchr/testify/require"
+	"gopkg.in/yaml.v3"
+)
+
+const (
+	contractsPath = "../../../../../../frostfs-contract/frostfs-contract-v0.16.0.tar.gz"
+	protoFileName = "proto.yml"
+)
+
+func TestInitialize(t *testing.T) {
+	// This test needs frostfs-contract tarball, so it is skipped by default.
+	// It is here for performing local testing after the changes.
+	t.Skip()
+
+	t.Run("4 nodes", func(t *testing.T) {
+		testInitialize(t, 4)
+	})
+	t.Run("7 nodes", func(t *testing.T) {
+		testInitialize(t, 7)
+	})
+}
+
+func testInitialize(t *testing.T, committeeSize int) {
+	testdataDir := t.TempDir()
+	v := viper.GetViper()
+
+	generateTestData(t, testdataDir, committeeSize)
+	v.Set(protoConfigPath, filepath.Join(testdataDir, protoFileName))
+
+	// Set to the path or remove the next statement to download from the network.
+	require.NoError(t, initCmd.Flags().Set(contractsInitFlag, contractsPath))
+	v.Set(localDumpFlag, filepath.Join(testdataDir, "out"))
+	v.Set(alphabetWalletsFlag, testdataDir)
+	v.Set(epochDurationInitFlag, 1)
+	v.Set(maxObjectSizeInitFlag, 1024)
+
+	setTestCredentials(v, committeeSize)
+	require.NoError(t, initializeSideChainCmd(initCmd, nil))
+
+	t.Run("force-new-epoch", func(t *testing.T) {
+		require.NoError(t, forceNewEpochCmd(forceNewEpoch, nil))
+	})
+	t.Run("set-config", func(t *testing.T) {
+		require.NoError(t, setConfigCmd(setConfig, []string{"MaintenanceModeAllowed=true"}))
+	})
+	t.Run("set-policy", func(t *testing.T) {
+		require.NoError(t, setPolicyCmd(setPolicy, []string{"ExecFeeFactor=1"}))
+	})
+	t.Run("remove-node", func(t *testing.T) {
+		pk, err := keys.NewPrivateKey()
+		require.NoError(t, err)
+
+		pub := hex.EncodeToString(pk.PublicKey().Bytes())
+		require.NoError(t, removeNodesCmd(removeNodes, []string{pub}))
+	})
+}
+
+func generateTestData(t *testing.T, dir string, size int) {
+	v := viper.GetViper()
+	v.Set(alphabetWalletsFlag, dir)
+
+	sizeStr := strconv.FormatUint(uint64(size), 10)
+	require.NoError(t, generateAlphabetCmd.Flags().Set(alphabetSizeFlag, sizeStr))
+
+	setTestCredentials(v, size)
+	require.NoError(t, generateAlphabetCreds(generateAlphabetCmd, nil))
+
+	var pubs []string
+	for i := 0; i < size; i++ {
+		p := filepath.Join(dir, innerring.GlagoliticLetter(i).String()+".json")
+		w, err := wallet.NewWalletFromFile(p)
+		require.NoError(t, err, "wallet doesn't exist")
+		for _, acc := range w.Accounts {
+			if acc.Label == singleAccountName {
+				pub, ok := vm.ParseSignatureContract(acc.Contract.Script)
+				require.True(t, ok)
+				pubs = append(pubs, hex.EncodeToString(pub))
+				continue
+			}
+		}
+	}
+
+	cfg := config.Config{}
+	cfg.ProtocolConfiguration.ValidatorsCount = size
+	cfg.ProtocolConfiguration.SecondsPerBlock = 1
+	cfg.ProtocolConfiguration.StandbyCommittee = pubs // sorted by glagolic letters
+	cfg.ProtocolConfiguration.P2PSigExtensions = true
+	cfg.ProtocolConfiguration.VerifyTransactions = true
+	cfg.ProtocolConfiguration.VerifyBlocks = true
+	data, err := yaml.Marshal(cfg)
+	require.NoError(t, err)
+
+	protoPath := filepath.Join(dir, protoFileName)
+	require.NoError(t, os.WriteFile(protoPath, data, os.ModePerm))
+}
+
+func setTestCredentials(v *viper.Viper, size int) {
+	for i := 0; i < size; i++ {
+		v.Set("credentials."+innerring.GlagoliticLetter(i).String(), strconv.FormatUint(uint64(i), 10))
+	}
+	v.Set("credentials.contract", testContractPassword)
+}

cmd/frostfs-adm/internal/modules/morph/initialize_transfer.go

@@ -0,0 +1,190 @@
+package morph
+
+import (
+	"fmt"
+
+	"github.com/nspcc-dev/neo-go/pkg/core/native"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/gas"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/neo"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	scContext "github.com/nspcc-dev/neo-go/pkg/smartcontract/context"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+)
+
+const (
+	gasInitialTotalSupply = 30000000 * native.GASFactor
+	// initialAlphabetGASAmount represents the amount of GAS given to each alphabet node.
+	initialAlphabetGASAmount = 10_000 * native.GASFactor
+	// initialProxyGASAmount represents the amount of GAS given to a proxy contract.
+	initialProxyGASAmount = 50_000 * native.GASFactor
+)
+
+func (c *initializeContext) transferFunds() error {
+	ok, err := c.transferFundsFinished()
+	if ok || err != nil {
+		if err == nil {
+			c.Command.Println("Stage 1: already performed.")
+		}
+		return err
+	}
+
+	var transfers []rpcclient.TransferTarget
+	for _, acc := range c.Accounts {
+		to := acc.Contract.ScriptHash()
+		transfers = append(transfers,
+			rpcclient.TransferTarget{
+				Token:   gas.Hash,
+				Address: to,
+				Amount:  initialAlphabetGASAmount,
+			},
+		)
+	}
+
+	// It is convenient to have all funds at the committee account.
+	transfers = append(transfers,
+		rpcclient.TransferTarget{
+			Token:   gas.Hash,
+			Address: c.CommitteeAcc.Contract.ScriptHash(),
+			Amount:  (gasInitialTotalSupply - initialAlphabetGASAmount*int64(len(c.Wallets))) / 2,
+		},
+		rpcclient.TransferTarget{
+			Token:   neo.Hash,
+			Address: c.CommitteeAcc.Contract.ScriptHash(),
+			Amount:  native.NEOTotalSupply,
+		},
+	)
+
+	tx, err := createNEP17MultiTransferTx(c.Client, c.ConsensusAcc, 0, transfers, []rpcclient.SignerAccount{{
+		Signer: transaction.Signer{
+			Account: c.ConsensusAcc.Contract.ScriptHash(),
+			Scopes:  transaction.CalledByEntry,
+		},
+		Account: c.ConsensusAcc,
+	}})
+	if err != nil {
+		return fmt.Errorf("can't create transfer transaction: %w", err)
+	}
+
+	if err := c.multiSignAndSend(tx, consensusAccountName); err != nil {
+		return fmt.Errorf("can't send transfer transaction: %w", err)
+	}
+
+	return c.awaitTx()
+}
+
+func (c *initializeContext) transferFundsFinished() (bool, error) {
+	acc := c.Accounts[0]
+
+	res, err := c.Client.NEP17BalanceOf(gas.Hash, acc.Contract.ScriptHash())
+	return res > initialAlphabetGASAmount/2, err
+}
+
+func (c *initializeContext) multiSignAndSend(tx *transaction.Transaction, accType string) error {
+	if err := c.multiSign(tx, accType); err != nil {
+		return err
+	}
+
+	return c.sendTx(tx, c.Command, false)
+}
+
+func (c *initializeContext) multiSign(tx *transaction.Transaction, accType string) error {
+	network, err := c.Client.GetNetwork()
+	if err != nil {
+		// error appears only if client
+		// has not been initialized
+		panic(err)
+	}
+
+	// Use parameter context to avoid dealing with signature order.
+	pc := scContext.NewParameterContext("", network, tx)
+	h := c.CommitteeAcc.Contract.ScriptHash()
+	if accType == consensusAccountName {
+		h = c.ConsensusAcc.Contract.ScriptHash()
+	}
+	for _, w := range c.Wallets {
+		acc, err := getWalletAccount(w, accType)
+		if err != nil {
+			return fmt.Errorf("can't find %s wallet account: %w", accType, err)
+		}
+
+		priv := acc.PrivateKey()
+		sign := priv.SignHashable(uint32(network), tx)
+		if err := pc.AddSignature(h, acc.Contract, priv.PublicKey(), sign); err != nil {
+			return fmt.Errorf("can't add signature: %w", err)
+		}
+		if len(pc.Items[h].Signatures) == len(acc.Contract.Parameters) {
+			break
+		}
+	}
+
+	w, err := pc.GetWitness(h)
+	if err != nil {
+		return fmt.Errorf("incomplete signature: %w", err)
+	}
+
+	for i := range tx.Signers {
+		if tx.Signers[i].Account == h {
+			if i < len(tx.Scripts) {
+				tx.Scripts[i] = *w
+			} else if i == len(tx.Scripts) {
+				tx.Scripts = append(tx.Scripts, *w)
+			} else {
+				panic("BUG: invalid signing order")
+			}
+			return nil
+		}
+	}
+
+	return fmt.Errorf("%s account was not found among transaction signers", accType)
+}
+
+func (c *initializeContext) transferGASToProxy() error {
+	proxyCs := c.getContract(proxyContract)
+
+	bal, err := c.Client.NEP17BalanceOf(gas.Hash, proxyCs.Hash)
+	if err != nil || bal > 0 {
+		return err
+	}
+
+	tx, err := createNEP17MultiTransferTx(c.Client, c.CommitteeAcc, 0, []rpcclient.TransferTarget{{
+		Token:   gas.Hash,
+		Address: proxyCs.Hash,
+		Amount:  initialProxyGASAmount,
+	}}, nil)
+	if err != nil {
+		return err
+	}
+
+	if err := c.multiSignAndSend(tx, committeeAccountName); err != nil {
+		return err
+	}
+
+	return c.awaitTx()
+}
+
+func createNEP17MultiTransferTx(c Client, acc *wallet.Account, netFee int64,
+	recipients []rpcclient.TransferTarget, cosigners []rpcclient.SignerAccount) (*transaction.Transaction, error) {
+	from := acc.Contract.ScriptHash()
+
+	w := io.NewBufBinWriter()
+	for i := range recipients {
+		emit.AppCall(w.BinWriter, recipients[i].Token, "transfer", callflag.All,
+			from, recipients[i].Address, recipients[i].Amount, recipients[i].Data)
+		emit.Opcodes(w.BinWriter, opcode.ASSERT)
+	}
+	if w.Err != nil {
+		return nil, fmt.Errorf("failed to create transfer script: %w", w.Err)
+	}
+	return c.CreateTxFromScript(w.Bytes(), acc, -1, netFee, append([]rpcclient.SignerAccount{{
+		Signer: transaction.Signer{
+			Account: from,
+			Scopes:  transaction.CalledByEntry,
+		},
+		Account: acc,
+	}}, cosigners...))
+}

cmd/frostfs-adm/internal/modules/morph/internal/types.go

@@ -0,0 +1,65 @@
+package internal
+
+import (
+	"fmt"
+	"strconv"
+
+	"google.golang.org/protobuf/proto"
+)
+
+// StringifySubnetClientGroupID returns string representation of SubnetClientGroupID using MarshalText.
+// Returns a string with a message on error.
+func StringifySubnetClientGroupID(id *SubnetClientGroupID) string {
+	text, err := id.MarshalText()
+	if err != nil {
+		return fmt.Sprintf("<invalid> %v", err)
+	}
+
+	return string(text)
+}
+
+// MarshalText encodes SubnetClientGroupID into text format according to NeoFS API V2 protocol:
+// value in base-10 integer string format.
+//
+// It implements encoding.TextMarshaler.
+func (x *SubnetClientGroupID) MarshalText() ([]byte, error) {
+	num := x.GetValue() // NPE safe, returns zero on nil
+
+	return []byte(strconv.FormatUint(uint64(num), 10)), nil
+}
+
+// UnmarshalText decodes the SubnetID from the text according to NeoFS API V2 protocol:
+// should be base-10 integer string format with bitsize = 32.
+//
+// Returns strconv.ErrRange if integer overflows uint32.
+//
+// Must not be called on nil.
+//
+// Implements encoding.TextUnmarshaler.
+func (x *SubnetClientGroupID) UnmarshalText(txt []byte) error {
+	num, err := strconv.ParseUint(string(txt), 10, 32)
+	if err != nil {
+		return fmt.Errorf("invalid numeric value: %w", err)
+	}
+
+	x.SetNumber(uint32(num))
+
+	return nil
+}
+
+// Marshal encodes the SubnetClientGroupID into a binary format of NeoFS API V2 protocol
+// (Protocol Buffers with direct field order).
+func (x *SubnetClientGroupID) Marshal() ([]byte, error) {
+	return proto.Marshal(x)
+}
+
+// Unmarshal decodes the SubnetClientGroupID from NeoFS API V2 binary format (see Marshal). Must not be called on nil.
+func (x *SubnetClientGroupID) Unmarshal(data []byte) error {
+	return proto.Unmarshal(data, x)
+}
+
+// SetNumber sets SubnetClientGroupID value in uint32 format. Must not be called on nil.
+// By default, number is 0.
+func (x *SubnetClientGroupID) SetNumber(num uint32) {
+	x.Value = num
+}

cmd/frostfs-adm/internal/modules/morph/internal/types.pb.go

@@ -0,0 +1,157 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.21.7
+// source: cmd/frostfs-adm/internal/modules/morph/internal/types.proto
+
+package internal
+
+import (
+	reflect "reflect"
+	sync "sync"
+
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Client group identifier in the NeoFS subnet.
+//
+// String representation of a value is base-10 integer.
+//
+// JSON representation is an object containing single `value` number field.
+type SubnetClientGroupID struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// 4-byte integer identifier of the subnet client group.
+	Value uint32 `protobuf:"fixed32,1,opt,name=value,proto3" json:"value,omitempty"`
+}
+
+func (x *SubnetClientGroupID) Reset() {
+	*x = SubnetClientGroupID{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SubnetClientGroupID) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SubnetClientGroupID) ProtoMessage() {}
+
+func (x *SubnetClientGroupID) ProtoReflect() protoreflect.Message {
+	mi := &file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SubnetClientGroupID.ProtoReflect.Descriptor instead.
+func (*SubnetClientGroupID) Descriptor() ([]byte, []int) {
+	return file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *SubnetClientGroupID) GetValue() uint32 {
+	if x != nil {
+		return x.Value
+	}
+	return 0
+}
+
+var File_cmd_frostfs_adm_internal_modules_morph_internal_types_proto protoreflect.FileDescriptor
+
+var file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_rawDesc = []byte{
+	0x0a, 0x39, 0x63, 0x6d, 0x64, 0x2f, 0x6e, 0x65, 0x6f, 0x66, 0x73, 0x2d, 0x61, 0x64, 0x6d, 0x2f,
+	0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x6d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x73,
+	0x2f, 0x6d, 0x6f, 0x72, 0x70, 0x68, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f,
+	0x74, 0x79, 0x70, 0x65, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0e, 0x6e, 0x65, 0x6f,
+	0x2e, 0x66, 0x73, 0x2e, 0x76, 0x32, 0x2e, 0x72, 0x65, 0x66, 0x73, 0x22, 0x2b, 0x0a, 0x13, 0x53,
+	0x75, 0x62, 0x6e, 0x65, 0x74, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x47, 0x72, 0x6f, 0x75, 0x70,
+	0x49, 0x44, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28,
+	0x07, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x42, 0x4f, 0x5a, 0x4d, 0x67, 0x69, 0x74, 0x68,
+	0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6e, 0x73, 0x70, 0x63, 0x63, 0x2d, 0x64, 0x65, 0x76,
+	0x2f, 0x6e, 0x65, 0x6f, 0x66, 0x73, 0x2d, 0x6e, 0x6f, 0x64, 0x65, 0x2f, 0x63, 0x6d, 0x64, 0x2f,
+	0x6e, 0x65, 0x6f, 0x66, 0x73, 0x2d, 0x61, 0x64, 0x6d, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e,
+	0x61, 0x6c, 0x2f, 0x6d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x73, 0x2f, 0x6d, 0x6f, 0x72, 0x70, 0x68,
+	0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
+}
+
+var (
+	file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_rawDescOnce sync.Once
+	file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_rawDescData = file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_rawDesc
+)
+
+func file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_rawDescGZIP() []byte {
+	file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_rawDescOnce.Do(func() {
+		file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_rawDescData = protoimpl.X.CompressGZIP(file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_rawDescData)
+	})
+	return file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_rawDescData
+}
+
+var file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_goTypes = []interface{}{
+	(*SubnetClientGroupID)(nil), // 0: neo.fs.v2.refs.SubnetClientGroupID
+}
+var file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_init() }
+func file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_init() {
+	if File_cmd_frostfs_adm_internal_modules_morph_internal_types_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SubnetClientGroupID); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_goTypes,
+		DependencyIndexes: file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_depIdxs,
+		MessageInfos:      file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_msgTypes,
+	}.Build()
+	File_cmd_frostfs_adm_internal_modules_morph_internal_types_proto = out.File
+	file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_rawDesc = nil
+	file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_goTypes = nil
+	file_cmd_frostfs_adm_internal_modules_morph_internal_types_proto_depIdxs = nil
+}

cmd/frostfs-adm/internal/modules/morph/internal/types.proto

@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+package neo.fs.v2.refs;
+
+option go_package = "github.com/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/morph/internal";
+
+// Client group identifier in the NeoFS subnet.
+//
+// String representation of a value is base-10 integer.
+//
+// JSON representation is an object containing single `value` number field.
+message SubnetClientGroupID {
+  // 4-byte integer identifier of the subnet client group.
+  fixed32 value = 1 [json_name = "value"];
+}

cmd/frostfs-adm/internal/modules/morph/local_client.go

@@ -0,0 +1,486 @@
+package morph
+
+import (
+	"crypto/elliptic"
+	"errors"
+	"fmt"
+	"os"
+	"sort"
+
+	"github.com/google/uuid"
+	"github.com/nspcc-dev/neo-go/pkg/config"
+	"github.com/nspcc-dev/neo-go/pkg/config/netmode"
+	"github.com/nspcc-dev/neo-go/pkg/core"
+	"github.com/nspcc-dev/neo-go/pkg/core/block"
+	"github.com/nspcc-dev/neo-go/pkg/core/chaindump"
+	"github.com/nspcc-dev/neo-go/pkg/core/fee"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/noderoles"
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/core/storage"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
+	"github.com/nspcc-dev/neo-go/pkg/network/payload"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"go.uber.org/zap"
+)
+
+type localClient struct {
+	bc           *core.Blockchain
+	transactions []*transaction.Transaction
+	dumpPath     string
+	accounts     []*wallet.Account
+	maxGasInvoke int64
+}
+
+func newLocalClient(cmd *cobra.Command, v *viper.Viper, wallets []*wallet.Wallet) (*localClient, error) {
+	cfg, err := config.LoadFile(v.GetString(protoConfigPath))
+	if err != nil {
+		return nil, err
+	}
+
+	bc, err := core.NewBlockchain(storage.NewMemoryStore(), cfg.ProtocolConfiguration, zap.NewNop())
+	if err != nil {
+		return nil, err
+	}
+
+	m := smartcontract.GetDefaultHonestNodeCount(cfg.ProtocolConfiguration.ValidatorsCount)
+	accounts := make([]*wallet.Account, len(wallets))
+	for i := range accounts {
+		accounts[i], err = getWalletAccount(wallets[i], consensusAccountName)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	indexMap := make(map[string]int)
+	for i, pub := range cfg.ProtocolConfiguration.StandbyCommittee {
+		indexMap[pub] = i
+	}
+
+	sort.Slice(accounts, func(i, j int) bool {
+		pi := accounts[i].PrivateKey().PublicKey().Bytes()
+		pj := accounts[j].PrivateKey().PublicKey().Bytes()
+		return indexMap[string(pi)] < indexMap[string(pj)]
+	})
+	sort.Slice(accounts[:cfg.ProtocolConfiguration.ValidatorsCount], func(i, j int) bool {
+		return accounts[i].PublicKey().Cmp(accounts[j].PublicKey()) == -1
+	})
+
+	go bc.Run()
+
+	dumpPath := v.GetString(localDumpFlag)
+	if cmd.Name() != "init" {
+		f, err := os.OpenFile(dumpPath, os.O_RDONLY, 0600)
+		if err != nil {
+			return nil, fmt.Errorf("can't open local dump: %w", err)
+		}
+		defer f.Close()
+
+		r := io.NewBinReaderFromIO(f)
+
+		var skip uint32
+		if bc.BlockHeight() != 0 {
+			skip = bc.BlockHeight() + 1
+		}
+
+		count := r.ReadU32LE() - skip
+		if err := chaindump.Restore(bc, r, skip, count, nil); err != nil {
+			return nil, fmt.Errorf("can't restore local dump: %w", err)
+		}
+	}
+
+	return &localClient{
+		bc:           bc,
+		dumpPath:     dumpPath,
+		accounts:     accounts[:m],
+		maxGasInvoke: 15_0000_0000,
+	}, nil
+}
+
+func (l *localClient) GetBlockCount() (uint32, error) {
+	return l.bc.BlockHeight(), nil
+}
+
+func (l *localClient) GetContractStateByID(id int32) (*state.Contract, error) {
+	h, err := l.bc.GetContractScriptHash(id)
+	if err != nil {
+		return nil, err
+	}
+	return l.GetContractStateByHash(h)
+}
+
+func (l *localClient) GetContractStateByHash(h util.Uint160) (*state.Contract, error) {
+	if cs := l.bc.GetContractState(h); cs != nil {
+		return cs, nil
+	}
+	return nil, storage.ErrKeyNotFound
+}
+
+func (l *localClient) GetNativeContracts() ([]state.NativeContract, error) {
+	return l.bc.GetNatives(), nil
+}
+
+func (l *localClient) GetNetwork() (netmode.Magic, error) {
+	return l.bc.GetConfig().Magic, nil
+}
+
+func (l *localClient) GetApplicationLog(h util.Uint256, t *trigger.Type) (*result.ApplicationLog, error) {
+	aer, err := l.bc.GetAppExecResults(h, *t)
+	if err != nil {
+		return nil, err
+	}
+
+	a := result.NewApplicationLog(h, aer, *t)
+	return &a, nil
+}
+
+func (l *localClient) CreateTxFromScript(script []byte, acc *wallet.Account, sysFee int64, netFee int64, cosigners []rpcclient.SignerAccount) (*transaction.Transaction, error) {
+	signers, accounts, err := getSigners(acc, cosigners)
+	if err != nil {
+		return nil, fmt.Errorf("failed to construct tx signers: %w", err)
+	}
+	if sysFee < 0 {
+		res, err := l.InvokeScript(script, signers)
+		if err != nil {
+			return nil, fmt.Errorf("can't add system fee to transaction: %w", err)
+		}
+		if res.State != "HALT" {
+			return nil, fmt.Errorf("can't add system fee to transaction: bad vm state: %s due to an error: %s", res.State, res.FaultException)
+		}
+		sysFee = res.GasConsumed
+	}
+
+	tx := transaction.New(script, sysFee)
+	tx.Signers = signers
+	tx.ValidUntilBlock = l.bc.BlockHeight() + 2
+
+	err = l.AddNetworkFee(tx, netFee, accounts...)
+	if err != nil {
+		return nil, fmt.Errorf("failed to add network fee: %w", err)
+	}
+
+	return tx, nil
+}
+
+func (l *localClient) GetCommittee() (keys.PublicKeys, error) {
+	// not used by `morph init` command
+	panic("unexpected call")
+}
+
+// InvokeFunction is implemented via `InvokeScript`.
+func (l *localClient) InvokeFunction(h util.Uint160, method string, sPrm []smartcontract.Parameter, ss []transaction.Signer) (*result.Invoke, error) {
+	var err error
+
+	pp := make([]interface{}, len(sPrm))
+	for i, p := range sPrm {
+		pp[i], err = smartcontract.ExpandParameterToEmitable(p)
+		if err != nil {
+			return nil, fmt.Errorf("incorrect parameter type %s: %w", p.Type, err)
+		}
+	}
+
+	return invokeFunction(l, h, method, pp, ss)
+}
+
+func (l *localClient) CalculateNotaryFee(_ uint8) (int64, error) {
+	// not used by `morph init` command
+	panic("unexpected call")
+}
+
+func (l *localClient) SignAndPushP2PNotaryRequest(_ *transaction.Transaction, _ []byte, _ int64, _ int64, _ uint32, _ *wallet.Account) (*payload.P2PNotaryRequest, error) {
+	// not used by `morph init` command
+	panic("unexpected call")
+}
+
+func (l *localClient) SignAndPushInvocationTx(_ []byte, _ *wallet.Account, _ int64, _ fixedn.Fixed8, _ []rpcclient.SignerAccount) (util.Uint256, error) {
+	// not used by `morph init` command
+	panic("unexpected call")
+}
+
+func (l *localClient) TerminateSession(_ uuid.UUID) (bool, error) {
+	// not used by `morph init` command
+	panic("unexpected call")
+}
+
+func (l *localClient) TraverseIterator(_, _ uuid.UUID, _ int) ([]stackitem.Item, error) {
+	// not used by `morph init` command
+	panic("unexpected call")
+}
+
+// GetVersion return default version.
+func (l *localClient) GetVersion() (*result.Version, error) {
+	return &result.Version{}, nil
+}
+
+func (l *localClient) InvokeContractVerify(contract util.Uint160, params []smartcontract.Parameter, signers []transaction.Signer, witnesses ...transaction.Witness) (*result.Invoke, error) {
+	// not used by `morph init` command
+	panic("unexpected call")
+}
+
+// CalculateNetworkFee calculates network fee for the given transaction.
+// Copied from neo-go with minor corrections (no need to support non-notary mode):
+// https://github.com/nspcc-dev/neo-go/blob/v0.99.2/pkg/services/rpcsrv/server.go#L744
+func (l *localClient) CalculateNetworkFee(tx *transaction.Transaction) (int64, error) {
+	hashablePart, err := tx.EncodeHashableFields()
+	if err != nil {
+		return 0, fmt.Errorf("failed to compute tx size: %w", err)
+	}
+
+	size := len(hashablePart) + io.GetVarSize(len(tx.Signers))
+	ef := l.bc.GetBaseExecFee()
+
+	var netFee int64
+	for i, signer := range tx.Signers {
+		var verificationScript []byte
+		for _, w := range tx.Scripts {
+			if w.VerificationScript != nil && hash.Hash160(w.VerificationScript).Equals(signer.Account) {
+				verificationScript = w.VerificationScript
+				break
+			}
+		}
+		if verificationScript == nil {
+			gasConsumed, err := l.bc.VerifyWitness(signer.Account, tx, &tx.Scripts[i], l.maxGasInvoke)
+			if err != nil {
+				return 0, fmt.Errorf("invalid signature: %w", err)
+			}
+			netFee += gasConsumed
+			size += io.GetVarSize([]byte{}) + io.GetVarSize(tx.Scripts[i].InvocationScript)
+			continue
+		}
+
+		fee, sizeDelta := fee.Calculate(ef, verificationScript)
+		netFee += fee
+		size += sizeDelta
+	}
+
+	fee := l.bc.FeePerByte()
+	netFee += int64(size) * fee
+
+	return netFee, nil
+}
+
+// AddNetworkFee adds network fee for each witness script and optional extra
+// network fee to transaction. `accs` is an array signer's accounts.
+// Copied from neo-go with minor corrections (no need to support contract signers):
+// https://github.com/nspcc-dev/neo-go/blob/6ff11baa1b9e4c71ef0d1de43b92a8c541ca732c/pkg/rpc/client/rpc.go#L960
+func (l *localClient) AddNetworkFee(tx *transaction.Transaction, extraFee int64, accs ...*wallet.Account) error {
+	if len(tx.Signers) != len(accs) {
+		return errors.New("number of signers must match number of scripts")
+	}
+
+	size := io.GetVarSize(tx)
+	ef := l.bc.GetBaseExecFee()
+	for i := range tx.Signers {
+		netFee, sizeDelta := fee.Calculate(ef, accs[i].Contract.Script)
+		tx.NetworkFee += netFee
+		size += sizeDelta
+	}
+
+	tx.NetworkFee += int64(size)*l.bc.FeePerByte() + extraFee
+	return nil
+}
+
+// getSigners returns an array of transaction signers and corresponding accounts from
+// given sender and cosigners. If cosigners list already contains sender, the sender
+// will be placed at the start of the list.
+// Copied from neo-go with minor corrections:
+// https://github.com/nspcc-dev/neo-go/blob/6ff11baa1b9e4c71ef0d1de43b92a8c541ca732c/pkg/rpc/client/rpc.go#L735
+func getSigners(sender *wallet.Account, cosigners []rpcclient.SignerAccount) ([]transaction.Signer, []*wallet.Account, error) {
+	var (
+		signers  []transaction.Signer
+		accounts []*wallet.Account
+	)
+
+	from := sender.Contract.ScriptHash()
+	s := transaction.Signer{
+		Account: from,
+		Scopes:  transaction.None,
+	}
+	for _, c := range cosigners {
+		if c.Signer.Account == from {
+			s = c.Signer
+			continue
+		}
+		signers = append(signers, c.Signer)
+		accounts = append(accounts, c.Account)
+	}
+	signers = append([]transaction.Signer{s}, signers...)
+	accounts = append([]*wallet.Account{sender}, accounts...)
+	return signers, accounts, nil
+}
+
+func (l *localClient) NEP17BalanceOf(h util.Uint160, acc util.Uint160) (int64, error) {
+	res, err := invokeFunction(l, h, "balanceOf", []interface{}{acc}, nil)
+	if err != nil {
+		return 0, err
+	}
+	if res.State != vmstate.Halt.String() || len(res.Stack) == 0 {
+		return 0, fmt.Errorf("`balance`: invalid response (empty: %t): %s",
+			len(res.Stack) == 0, res.FaultException)
+	}
+	bi, err := res.Stack[0].TryInteger()
+	if err != nil || !bi.IsInt64() {
+		return 0, fmt.Errorf("`balance`: invalid response")
+	}
+	return bi.Int64(), nil
+}
+
+func (l *localClient) InvokeScript(script []byte, signers []transaction.Signer) (*result.Invoke, error) {
+	lastBlock, err := l.bc.GetBlock(l.bc.CurrentBlockHash())
+	if err != nil {
+		return nil, err
+	}
+
+	tx := transaction.New(script, 0)
+	tx.Signers = signers
+	tx.ValidUntilBlock = l.bc.BlockHeight() + 2
+
+	ic, err := l.bc.GetTestVM(trigger.Application, tx, &block.Block{
+		Header: block.Header{
+			Index:     lastBlock.Index + 1,
+			Timestamp: lastBlock.Timestamp + 1,
+		},
+	})
+	if err != nil {
+		return nil, fmt.Errorf("get test VM: %w", err)
+	}
+
+	ic.VM.GasLimit = 100_0000_0000
+	ic.VM.LoadScriptWithFlags(script, callflag.All)
+
+	var errStr string
+	if err := ic.VM.Run(); err != nil {
+		errStr = err.Error()
+	}
+	return &result.Invoke{
+		State:          ic.VM.State().String(),
+		GasConsumed:    ic.VM.GasConsumed(),
+		Script:         script,
+		Stack:          ic.VM.Estack().ToArray(),
+		FaultException: errStr,
+	}, nil
+}
+
+func (l *localClient) SendRawTransaction(tx *transaction.Transaction) (util.Uint256, error) {
+	// We need to test that transaction was formed correctly to catch as many errors as we can.
+	bs := tx.Bytes()
+	_, err := transaction.NewTransactionFromBytes(bs)
+	if err != nil {
+		return tx.Hash(), fmt.Errorf("invalid transaction: %w", err)
+	}
+
+	l.transactions = append(l.transactions, tx)
+	return tx.Hash(), nil
+}
+
+func (l *localClient) putTransactions() error {
+	// 1. Prepare new block.
+	lastBlock, err := l.bc.GetBlock(l.bc.CurrentBlockHash())
+	if err != nil {
+		panic(err)
+	}
+	defer func() { l.transactions = l.transactions[:0] }()
+
+	b := &block.Block{
+		Header: block.Header{
+			NextConsensus: l.accounts[0].Contract.ScriptHash(),
+			Script: transaction.Witness{
+				VerificationScript: l.accounts[0].Contract.Script,
+			},
+			Timestamp: lastBlock.Timestamp + 1,
+		},
+		Transactions: l.transactions,
+	}
+
+	if l.bc.GetConfig().StateRootInHeader {
+		b.StateRootEnabled = true
+		b.PrevStateRoot = l.bc.GetStateModule().CurrentLocalStateRoot()
+	}
+	b.PrevHash = lastBlock.Hash()
+	b.Index = lastBlock.Index + 1
+	b.RebuildMerkleRoot()
+
+	// 2. Sign prepared block.
+	var invocationScript []byte
+
+	magic := l.bc.GetConfig().Magic
+	for _, acc := range l.accounts {
+		sign := acc.PrivateKey().SignHashable(uint32(magic), b)
+		invocationScript = append(invocationScript, byte(opcode.PUSHDATA1), 64)
+		invocationScript = append(invocationScript, sign...)
+	}
+	b.Script.InvocationScript = invocationScript
+
+	// 3. Persist block.
+	return l.bc.AddBlock(b)
+}
+
+func invokeFunction(c Client, h util.Uint160, method string, parameters []interface{}, signers []transaction.Signer) (*result.Invoke, error) {
+	w := io.NewBufBinWriter()
+	emit.Array(w.BinWriter, parameters...)
+	emit.AppCallNoArgs(w.BinWriter, h, method, callflag.All)
+	if w.Err != nil {
+		panic(fmt.Sprintf("BUG: invalid parameters for '%s': %v", method, w.Err))
+	}
+	return c.InvokeScript(w.Bytes(), signers)
+}
+
+var errGetDesignatedByRoleResponse = errors.New("`getDesignatedByRole`: invalid response")
+
+func getDesignatedByRole(inv *invoker.Invoker, h util.Uint160, role noderoles.Role, u uint32) (keys.PublicKeys, error) {
+	arr, err := unwrap.Array(inv.Call(h, "getDesignatedByRole", int64(role), int64(u)))
+	if err != nil {
+		return nil, errGetDesignatedByRoleResponse
+	}
+
+	pubs := make(keys.PublicKeys, len(arr))
+	for i := range arr {
+		bs, err := arr[i].TryBytes()
+		if err != nil {
+			return nil, errGetDesignatedByRoleResponse
+		}
+		pubs[i], err = keys.NewPublicKeyFromBytes(bs, elliptic.P256())
+		if err != nil {
+			return nil, errGetDesignatedByRoleResponse
+		}
+	}
+
+	return pubs, nil
+}
+
+func (l *localClient) dump() (err error) {
+	defer l.bc.Close()
+
+	f, err := os.Create(l.dumpPath)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		closeErr := f.Close()
+		if err == nil && closeErr != nil {
+			err = closeErr
+		}
+	}()
+
+	w := io.NewBinWriterFromIO(f)
+	w.WriteU32LE(l.bc.BlockHeight() + 1)
+	err = chaindump.Dump(l.bc, w, 0, l.bc.BlockHeight()+1)
+	return
+}

cmd/frostfs-adm/internal/modules/morph/n3client.go

@@ -0,0 +1,122 @@
+package morph
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"time"
+
+	"github.com/nspcc-dev/neo-go/pkg/config/netmode"
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
+	"github.com/nspcc-dev/neo-go/pkg/network/payload"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+// Client represents N3 client interface capable of test-invoking scripts
+// and sending signed transactions to chain.
+type Client interface {
+	invoker.RPCInvoke
+
+	GetBlockCount() (uint32, error)
+	GetContractStateByID(int32) (*state.Contract, error)
+	GetContractStateByHash(util.Uint160) (*state.Contract, error)
+	GetNativeContracts() ([]state.NativeContract, error)
+	GetNetwork() (netmode.Magic, error)
+	GetApplicationLog(util.Uint256, *trigger.Type) (*result.ApplicationLog, error)
+	GetVersion() (*result.Version, error)
+	CreateTxFromScript([]byte, *wallet.Account, int64, int64, []rpcclient.SignerAccount) (*transaction.Transaction, error)
+	NEP17BalanceOf(util.Uint160, util.Uint160) (int64, error)
+	SendRawTransaction(*transaction.Transaction) (util.Uint256, error)
+	GetCommittee() (keys.PublicKeys, error)
+	CalculateNotaryFee(uint8) (int64, error)
+	CalculateNetworkFee(tx *transaction.Transaction) (int64, error)
+	AddNetworkFee(*transaction.Transaction, int64, ...*wallet.Account) error
+	SignAndPushInvocationTx([]byte, *wallet.Account, int64, fixedn.Fixed8, []rpcclient.SignerAccount) (util.Uint256, error)
+	SignAndPushP2PNotaryRequest(*transaction.Transaction, []byte, int64, int64, uint32, *wallet.Account) (*payload.P2PNotaryRequest, error)
+}
+
+type hashVUBPair struct {
+	hash util.Uint256
+	vub  uint32
+}
+
+type clientContext struct {
+	Client          Client           // a raw neo-go client OR a local chain implementation
+	CommitteeAct    *actor.Actor     // committee actor with the Global witness scope
+	ReadOnlyInvoker *invoker.Invoker // R/O contract invoker, does not contain any signer
+	SentTxs         []hashVUBPair
+}
+
+func getN3Client(v *viper.Viper) (Client, error) {
+	// number of opened connections
+	// by neo-go client per one host
+	const (
+		maxConnsPerHost = 10
+		requestTimeout  = time.Second * 10
+	)
+
+	ctx := context.Background()
+	endpoint := v.GetString(endpointFlag)
+	if endpoint == "" {
+		return nil, errors.New("missing endpoint")
+	}
+	c, err := rpcclient.New(ctx, endpoint, rpcclient.Options{
+		MaxConnsPerHost: maxConnsPerHost,
+		RequestTimeout:  requestTimeout,
+	})
+	if err != nil {
+		return nil, err
+	}
+	if err := c.Init(); err != nil {
+		return nil, err
+	}
+	return c, nil
+}
+
+func defaultClientContext(c Client, committeeAcc *wallet.Account) (*clientContext, error) {
+	commAct, err := actor.New(c, []actor.SignerAccount{{
+		Signer: transaction.Signer{
+			Account: committeeAcc.Contract.ScriptHash(),
+			Scopes:  transaction.Global,
+		},
+		Account: committeeAcc,
+	}})
+	if err != nil {
+		return nil, err
+	}
+
+	return &clientContext{
+		Client:          c,
+		CommitteeAct:    commAct,
+		ReadOnlyInvoker: invoker.New(c, nil),
+	}, nil
+}
+
+func (c *clientContext) sendTx(tx *transaction.Transaction, cmd *cobra.Command, await bool) error {
+	h, err := c.Client.SendRawTransaction(tx)
+	if err != nil {
+		return err
+	}
+
+	if h != tx.Hash() {
+		return fmt.Errorf("sent and actual tx hashes mismatch:\n\tsent: %v\n\tactual: %v", tx.Hash().StringLE(), h.StringLE())
+	}
+
+	c.SentTxs = append(c.SentTxs, hashVUBPair{hash: h, vub: tx.ValidUntilBlock})
+
+	if await {
+		return c.awaitTx(cmd)
+	}
+	return nil
+}

cmd/frostfs-adm/internal/modules/morph/notary.go

@@ -0,0 +1,121 @@
+package morph
+
+import (
+	"fmt"
+	"math/big"
+	"strconv"
+
+	"github.com/nspcc-dev/neo-go/cli/input"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/gas"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/nep17"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/notary"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+// defaultNotaryDepositLifetime is an amount of blocks notary deposit stays valid.
+// https://github.com/nspcc-dev/neo-go/blob/master/pkg/core/native/notary.go#L48
+const defaultNotaryDepositLifetime = 5760
+
+func depositNotary(cmd *cobra.Command, _ []string) error {
+	p, err := cmd.Flags().GetString(storageWalletFlag)
+	if err != nil {
+		return err
+	} else if p == "" {
+		return fmt.Errorf("missing wallet path (use '--%s <out.json>')", storageWalletFlag)
+	}
+
+	w, err := wallet.NewWalletFromFile(p)
+	if err != nil {
+		return fmt.Errorf("can't open wallet: %v", err)
+	}
+
+	accHash := w.GetChangeAddress()
+	if addr, err := cmd.Flags().GetString(walletAccountFlag); err == nil {
+		accHash, err = address.StringToUint160(addr)
+		if err != nil {
+			return fmt.Errorf("invalid address: %s", addr)
+		}
+	}
+
+	acc := w.GetAccount(accHash)
+	if acc == nil {
+		return fmt.Errorf("can't find account for %s", accHash)
+	}
+
+	prompt := fmt.Sprintf("Enter password for %s >", address.Uint160ToString(accHash))
+	pass, err := input.ReadPassword(prompt)
+	if err != nil {
+		return fmt.Errorf("can't get password: %v", err)
+	}
+
+	err = acc.Decrypt(pass, keys.NEP2ScryptParams())
+	if err != nil {
+		return fmt.Errorf("can't unlock account: %v", err)
+	}
+
+	gasStr, err := cmd.Flags().GetString(refillGasAmountFlag)
+	if err != nil {
+		return err
+	}
+	gasAmount, err := parseGASAmount(gasStr)
+	if err != nil {
+		return err
+	}
+
+	till := int64(defaultNotaryDepositLifetime)
+	tillStr, err := cmd.Flags().GetString(notaryDepositTillFlag)
+	if err != nil {
+		return err
+	}
+	if tillStr != "" {
+		till, err = strconv.ParseInt(tillStr, 10, 64)
+		if err != nil || till <= 0 {
+			return fmt.Errorf("notary deposit lifetime must be a positive integer")
+		}
+	}
+
+	c, err := getN3Client(viper.GetViper())
+	if err != nil {
+		return err
+	}
+
+	if err := checkNotaryEnabled(c); err != nil {
+		return err
+	}
+
+	height, err := c.GetBlockCount()
+	if err != nil {
+		return fmt.Errorf("can't get current height: %v", err)
+	}
+
+	act, err := actor.New(c, []actor.SignerAccount{{
+		Signer: transaction.Signer{
+			Account: acc.Contract.ScriptHash(),
+			Scopes:  transaction.Global,
+		},
+		Account: acc,
+	}})
+	if err != nil {
+		return fmt.Errorf("could not create actor: %w", err)
+	}
+
+	gasActor := nep17.New(act, gas.Hash)
+
+	txHash, vub, err := gasActor.Transfer(
+		accHash,
+		notary.Hash,
+		big.NewInt(int64(gasAmount)),
+		[]interface{}{nil, int64(height) + till},
+	)
+	if err != nil {
+		return fmt.Errorf("could not send tx: %w", err)
+	}
+
+	return awaitTx(cmd, c, []hashVUBPair{{hash: txHash, vub: vub}})
+}

cmd/frostfs-adm/internal/modules/morph/policy.go

@@ -0,0 +1,54 @@
+package morph
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/policy"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+const (
+	execFeeParam      = "ExecFeeFactor"
+	storagePriceParam = "StoragePrice"
+	setFeeParam       = "FeePerByte"
+)
+
+func setPolicyCmd(cmd *cobra.Command, args []string) error {
+	wCtx, err := newInitializeContext(cmd, viper.GetViper())
+	if err != nil {
+		return fmt.Errorf("can't to initialize context: %w", err)
+	}
+
+	bw := io.NewBufBinWriter()
+	for i := range args {
+		kv := strings.SplitN(args[i], "=", 2)
+		if len(kv) != 2 {
+			return fmt.Errorf("invalid parameter format, must be Parameter=Value")
+		}
+
+		switch kv[0] {
+		case execFeeParam, storagePriceParam, setFeeParam:
+		default:
+			return fmt.Errorf("parameter must be one of %s, %s and %s", execFeeParam, storagePriceParam, setFeeParam)
+		}
+
+		value, err := strconv.ParseUint(kv[1], 10, 32)
+		if err != nil {
+			return fmt.Errorf("can't parse parameter value '%s': %w", args[1], err)
+		}
+
+		emit.AppCall(bw.BinWriter, policy.Hash, "set"+kv[0], callflag.All, int64(value))
+	}
+
+	if err := wCtx.sendCommitteeTx(bw.Bytes(), false); err != nil {
+		return err
+	}
+
+	return wCtx.awaitTx()
+}

cmd/frostfs-adm/internal/modules/morph/remove_node.go

@@ -0,0 +1,61 @@
+package morph
+
+import (
+	"errors"
+	"fmt"
+
+	netmapcontract "github.com/TrueCloudLab/frostfs-contract/netmap"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+func removeNodesCmd(cmd *cobra.Command, args []string) error {
+	if len(args) == 0 {
+		return errors.New("at least one node key must be provided")
+	}
+
+	nodeKeys := make(keys.PublicKeys, len(args))
+	for i := range args {
+		var err error
+		nodeKeys[i], err = keys.NewPublicKeyFromString(args[i])
+		if err != nil {
+			return fmt.Errorf("can't parse node public key: %w", err)
+		}
+	}
+
+	wCtx, err := newInitializeContext(cmd, viper.GetViper())
+	if err != nil {
+		return fmt.Errorf("can't initialize context: %w", err)
+	}
+	defer wCtx.close()
+
+	cs, err := wCtx.Client.GetContractStateByID(1)
+	if err != nil {
+		return fmt.Errorf("can't get NNS contract info: %w", err)
+	}
+
+	nmHash, err := nnsResolveHash(wCtx.ReadOnlyInvoker, cs.Hash, netmapContract+".frostfs")
+	if err != nil {
+		return fmt.Errorf("can't get netmap contract hash: %w", err)
+	}
+
+	bw := io.NewBufBinWriter()
+	for i := range nodeKeys {
+		emit.AppCall(bw.BinWriter, nmHash, "updateStateIR", callflag.All,
+			int64(netmapcontract.NodeStateOffline), nodeKeys[i].Bytes())
+	}
+
+	if err := emitNewEpochCall(bw, wCtx, nmHash); err != nil {
+		return err
+	}
+
+	if err := wCtx.sendConsensusTx(bw.Bytes()); err != nil {
+		return err
+	}
+
+	return wCtx.awaitTx()
+}

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

@@ -0,0 +1,326 @@
+package morph
+
+import (
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+const (
+	alphabetWalletsFlag             = "alphabet-wallets"
+	alphabetSizeFlag                = "size"
+	endpointFlag                    = "rpc-endpoint"
+	storageWalletFlag               = "storage-wallet"
+	storageWalletLabelFlag          = "label"
+	storageGasCLIFlag               = "initial-gas"
+	storageGasConfigFlag            = "storage.initial_gas"
+	contractsInitFlag               = "contracts"
+	maxObjectSizeInitFlag           = "network.max_object_size"
+	maxObjectSizeCLIFlag            = "max-object-size"
+	epochDurationInitFlag           = "network.epoch_duration"
+	epochDurationCLIFlag            = "epoch-duration"
+	incomeRateInitFlag              = "network.basic_income_rate"
+	incomeRateCLIFlag               = "basic-income-rate"
+	auditFeeInitFlag                = "network.fee.audit"
+	auditFeeCLIFlag                 = "audit-fee"
+	containerFeeInitFlag            = "network.fee.container"
+	containerAliasFeeInitFlag       = "network.fee.container_alias"
+	containerFeeCLIFlag             = "container-fee"
+	containerAliasFeeCLIFlag        = "container-alias-fee"
+	candidateFeeInitFlag            = "network.fee.candidate"
+	candidateFeeCLIFlag             = "candidate-fee"
+	homomorphicHashDisabledInitFlag = "network.homomorphic_hash_disabled"
+	maintenanceModeAllowedInitFlag  = "network.maintenance_mode_allowed"
+	homomorphicHashDisabledCLIFlag  = "homomorphic-disabled"
+	withdrawFeeInitFlag             = "network.fee.withdraw"
+	withdrawFeeCLIFlag              = "withdraw-fee"
+	containerDumpFlag               = "dump"
+	containerContractFlag           = "container-contract"
+	containerIDsFlag                = "cid"
+	refillGasAmountFlag             = "gas"
+	walletAccountFlag               = "account"
+	notaryDepositTillFlag           = "till"
+	localDumpFlag                   = "local-dump"
+	protoConfigPath                 = "protocol"
+	walletAddressFlag               = "wallet-address"
+)
+
+var (
+	// RootCmd is a root command of config section.
+	RootCmd = &cobra.Command{
+		Use:   "morph",
+		Short: "Section for morph network configuration commands",
+	}
+
+	generateAlphabetCmd = &cobra.Command{
+		Use:   "generate-alphabet",
+		Short: "Generate alphabet wallets for consensus nodes of the morph network",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			// PreRun fixes https://github.com/spf13/viper/issues/233
+			_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+		},
+		RunE: generateAlphabetCreds,
+	}
+
+	initCmd = &cobra.Command{
+		Use:   "init",
+		Short: "Initialize side chain network with smart-contracts and network settings",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+			_ = viper.BindPFlag(epochDurationInitFlag, cmd.Flags().Lookup(epochDurationCLIFlag))
+			_ = viper.BindPFlag(maxObjectSizeInitFlag, cmd.Flags().Lookup(maxObjectSizeCLIFlag))
+			_ = viper.BindPFlag(incomeRateInitFlag, cmd.Flags().Lookup(incomeRateCLIFlag))
+			_ = viper.BindPFlag(homomorphicHashDisabledInitFlag, cmd.Flags().Lookup(homomorphicHashDisabledCLIFlag))
+			_ = viper.BindPFlag(auditFeeInitFlag, cmd.Flags().Lookup(auditFeeCLIFlag))
+			_ = viper.BindPFlag(candidateFeeInitFlag, cmd.Flags().Lookup(candidateFeeCLIFlag))
+			_ = viper.BindPFlag(containerFeeInitFlag, cmd.Flags().Lookup(containerFeeCLIFlag))
+			_ = viper.BindPFlag(containerAliasFeeInitFlag, cmd.Flags().Lookup(containerAliasFeeCLIFlag))
+			_ = viper.BindPFlag(withdrawFeeInitFlag, cmd.Flags().Lookup(withdrawFeeCLIFlag))
+			_ = viper.BindPFlag(protoConfigPath, cmd.Flags().Lookup(protoConfigPath))
+			_ = viper.BindPFlag(localDumpFlag, cmd.Flags().Lookup(localDumpFlag))
+		},
+		RunE: initializeSideChainCmd,
+	}
+
+	generateStorageCmd = &cobra.Command{
+		Use:   "generate-storage-wallet",
+		Short: "Generate storage node wallet for the morph network",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+			_ = viper.BindPFlag(storageGasConfigFlag, cmd.Flags().Lookup(storageGasCLIFlag))
+		},
+		RunE: generateStorageCreds,
+	}
+
+	refillGasCmd = &cobra.Command{
+		Use:   "refill-gas",
+		Short: "Refill GAS of storage node's wallet in the morph network",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+			_ = viper.BindPFlag(refillGasAmountFlag, cmd.Flags().Lookup(refillGasAmountFlag))
+		},
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return refillGas(cmd, refillGasAmountFlag, false)
+		},
+	}
+
+	forceNewEpoch = &cobra.Command{
+		Use:   "force-new-epoch",
+		Short: "Create new NeoFS epoch event in the side chain",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		RunE: forceNewEpochCmd,
+	}
+
+	removeNodes = &cobra.Command{
+		Use:   "remove-nodes key1 [key2 [...]]",
+		Short: "Remove storage nodes from the netmap",
+		Long:  `Move nodes to the Offline state in the candidates list and tick an epoch to update the netmap`,
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		RunE: removeNodesCmd,
+	}
+
+	setConfig = &cobra.Command{
+		Use:                   "set-config key1=val1 [key2=val2 ...]",
+		DisableFlagsInUseLine: true,
+		Short:                 "Add/update global config value in the NeoFS network",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		Args: cobra.MinimumNArgs(1),
+		RunE: setConfigCmd,
+	}
+
+	setPolicy = &cobra.Command{
+		Use:                   "set-policy [ExecFeeFactor=<n1>] [StoragePrice=<n2>] [FeePerByte=<n3>]",
+		DisableFlagsInUseLine: true,
+		Short:                 "Set global policy values",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		RunE: setPolicyCmd,
+		ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+			return []string{"ExecFeeFactor=", "StoragePrice=", "FeePerByte="}, cobra.ShellCompDirectiveNoSpace
+		},
+	}
+
+	dumpContractHashesCmd = &cobra.Command{
+		Use:   "dump-hashes",
+		Short: "Dump deployed contract hashes",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		RunE: dumpContractHashes,
+	}
+
+	dumpNetworkConfigCmd = &cobra.Command{
+		Use:   "dump-config",
+		Short: "Dump NeoFS network config",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		RunE: dumpNetworkConfig,
+	}
+
+	dumpBalancesCmd = &cobra.Command{
+		Use:   "dump-balances",
+		Short: "Dump GAS balances",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		RunE: dumpBalances,
+	}
+
+	updateContractsCmd = &cobra.Command{
+		Use:   "update-contracts",
+		Short: "Update NeoFS contracts",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		RunE: updateContracts,
+	}
+
+	dumpContainersCmd = &cobra.Command{
+		Use:   "dump-containers",
+		Short: "Dump NeoFS containers to file",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		RunE: dumpContainers,
+	}
+
+	restoreContainersCmd = &cobra.Command{
+		Use:   "restore-containers",
+		Short: "Restore NeoFS containers from file",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(alphabetWalletsFlag, cmd.Flags().Lookup(alphabetWalletsFlag))
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		RunE: restoreContainers,
+	}
+
+	listContainersCmd = &cobra.Command{
+		Use:   "list-containers",
+		Short: "List NeoFS containers",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		RunE: listContainers,
+	}
+
+	depositNotaryCmd = &cobra.Command{
+		Use:   "deposit-notary",
+		Short: "Deposit GAS for notary service",
+		PreRun: func(cmd *cobra.Command, _ []string) {
+			_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
+		},
+		RunE: depositNotary,
+	}
+)
+
+func init() {
+	RootCmd.AddCommand(generateAlphabetCmd)
+	generateAlphabetCmd.Flags().String(alphabetWalletsFlag, "", "Path to alphabet wallets dir")
+	generateAlphabetCmd.Flags().Uint(alphabetSizeFlag, 7, "Amount of alphabet wallets to generate")
+
+	RootCmd.AddCommand(initCmd)
+	initCmd.Flags().String(alphabetWalletsFlag, "", "Path to alphabet wallets dir")
+	initCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+	initCmd.Flags().String(contractsInitFlag, "", "Path to archive with compiled NeoFS contracts (default fetched from latest github release)")
+	initCmd.Flags().Uint(epochDurationCLIFlag, 240, "Amount of side chain blocks in one NeoFS epoch")
+	initCmd.Flags().Uint(maxObjectSizeCLIFlag, 67108864, "Max single object size in bytes")
+	initCmd.Flags().Bool(homomorphicHashDisabledCLIFlag, false, "Disable object homomorphic hashing")
+	// Defaults are taken from neo-preodolenie.
+	initCmd.Flags().Uint64(containerFeeCLIFlag, 1000, "Container registration fee")
+	initCmd.Flags().Uint64(containerAliasFeeCLIFlag, 500, "Container alias fee")
+	initCmd.Flags().String(protoConfigPath, "", "Path to the consensus node configuration")
+	initCmd.Flags().String(localDumpFlag, "", "Path to the blocks dump file")
+
+	RootCmd.AddCommand(deployCmd)
+
+	RootCmd.AddCommand(generateStorageCmd)
+	generateStorageCmd.Flags().String(alphabetWalletsFlag, "", "Path to alphabet wallets dir")
+	generateStorageCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+	generateStorageCmd.Flags().String(storageWalletFlag, "", "Path to new storage node wallet")
+	generateStorageCmd.Flags().String(storageGasCLIFlag, "", "Initial amount of GAS to transfer")
+	generateStorageCmd.Flags().StringP(storageWalletLabelFlag, "l", "", "Wallet label")
+
+	RootCmd.AddCommand(forceNewEpoch)
+	forceNewEpoch.Flags().String(alphabetWalletsFlag, "", "Path to alphabet wallets dir")
+	forceNewEpoch.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+
+	RootCmd.AddCommand(removeNodes)
+	removeNodes.Flags().String(alphabetWalletsFlag, "", "Path to alphabet wallets dir")
+	removeNodes.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+
+	RootCmd.AddCommand(setPolicy)
+	setPolicy.Flags().String(alphabetWalletsFlag, "", "Path to alphabet wallets dir")
+	setPolicy.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+
+	RootCmd.AddCommand(dumpContractHashesCmd)
+	dumpContractHashesCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+	dumpContractHashesCmd.Flags().String(customZoneFlag, "", "Custom zone to search.")
+
+	RootCmd.AddCommand(dumpNetworkConfigCmd)
+	dumpNetworkConfigCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+
+	RootCmd.AddCommand(setConfig)
+	setConfig.Flags().String(alphabetWalletsFlag, "", "Path to alphabet wallets dir")
+	setConfig.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+	setConfig.Flags().Bool(forceConfigSet, false, "Force setting not well-known configuration key")
+
+	RootCmd.AddCommand(dumpBalancesCmd)
+	dumpBalancesCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+	dumpBalancesCmd.Flags().BoolP(dumpBalancesStorageFlag, "s", false, "Dump balances of storage nodes from the current netmap")
+	dumpBalancesCmd.Flags().BoolP(dumpBalancesAlphabetFlag, "a", false, "Dump balances of alphabet contracts")
+	dumpBalancesCmd.Flags().BoolP(dumpBalancesProxyFlag, "p", false, "Dump balances of the proxy contract")
+	dumpBalancesCmd.Flags().Bool(dumpBalancesUseScriptHashFlag, false, "Use script-hash format for addresses")
+
+	RootCmd.AddCommand(updateContractsCmd)
+	updateContractsCmd.Flags().String(alphabetWalletsFlag, "", "Path to alphabet wallets dir")
+	updateContractsCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+	updateContractsCmd.Flags().String(contractsInitFlag, "", "Path to archive with compiled NeoFS contracts (default fetched from latest github release)")
+
+	RootCmd.AddCommand(dumpContainersCmd)
+	dumpContainersCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+	dumpContainersCmd.Flags().String(containerDumpFlag, "", "File where to save dumped containers")
+	dumpContainersCmd.Flags().String(containerContractFlag, "", "Container contract hash (for networks without NNS)")
+	dumpContainersCmd.Flags().StringSlice(containerIDsFlag, nil, "Containers to dump")
+
+	RootCmd.AddCommand(restoreContainersCmd)
+	restoreContainersCmd.Flags().String(alphabetWalletsFlag, "", "Path to alphabet wallets dir")
+	restoreContainersCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+	restoreContainersCmd.Flags().String(containerDumpFlag, "", "File to restore containers from")
+	restoreContainersCmd.Flags().StringSlice(containerIDsFlag, nil, "Containers to restore")
+
+	RootCmd.AddCommand(listContainersCmd)
+	listContainersCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+	listContainersCmd.Flags().String(containerContractFlag, "", "Container contract hash (for networks without NNS)")
+
+	RootCmd.AddCommand(refillGasCmd)
+	refillGasCmd.Flags().String(alphabetWalletsFlag, "", "Path to alphabet wallets dir")
+	refillGasCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+	refillGasCmd.Flags().String(storageWalletFlag, "", "Path to storage node wallet")
+	refillGasCmd.Flags().String(walletAddressFlag, "", "Address of wallet")
+	refillGasCmd.Flags().String(refillGasAmountFlag, "", "Additional amount of GAS to transfer")
+	refillGasCmd.MarkFlagsMutuallyExclusive(walletAddressFlag, storageWalletFlag)
+
+	RootCmd.AddCommand(cmdSubnet)
+
+	RootCmd.AddCommand(depositNotaryCmd)
+	depositNotaryCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+	depositNotaryCmd.Flags().String(storageWalletFlag, "", "Path to storage node wallet")
+	depositNotaryCmd.Flags().String(walletAccountFlag, "", "Wallet account address")
+	depositNotaryCmd.Flags().String(refillGasAmountFlag, "", "Amount of GAS to deposit")
+	depositNotaryCmd.Flags().String(notaryDepositTillFlag, "", "Notary deposit duration in blocks")
+}

cmd/frostfs-adm/internal/modules/morph/update.go

@@ -0,0 +1,21 @@
+package morph
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+func updateContracts(cmd *cobra.Command, _ []string) error {
+	wCtx, err := newInitializeContext(cmd, viper.GetViper())
+	if err != nil {
+		return fmt.Errorf("initialization error: %w", err)
+	}
+
+	if err := wCtx.deployNNS(updateMethodName); err != nil {
+		return err
+	}
+
+	return wCtx.updateContracts()
+}

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

@@ -0,0 +1,71 @@
+package modules
+
+import (
+	"os"
+
+	"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/config"
+	"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/morph"
+	"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/storagecfg"
+	"github.com/TrueCloudLab/frostfs-node/misc"
+	"github.com/TrueCloudLab/frostfs-node/pkg/util/autocomplete"
+	"github.com/TrueCloudLab/frostfs-node/pkg/util/gendoc"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var (
+	rootCmd = &cobra.Command{
+		Use:   "frostfs-adm",
+		Short: "NeoFS Administrative Tool",
+		Long: `NeoFS Administrative Tool provides functions to setup and
+manage NeoFS network deployment.`,
+		RunE:         entryPoint,
+		SilenceUsage: true,
+	}
+
+	configFlag = "config"
+)
+
+func init() {
+	cobra.OnInitialize(func() { initConfig(rootCmd) })
+	// we need to init viper config to bind viper and cobra configurations for
+	// rpc endpoint, alphabet wallet dir, key credentials, etc.
+
+	// use stdout as default output for cmd.Print()
+	rootCmd.SetOut(os.Stdout)
+
+	rootCmd.PersistentFlags().StringP(configFlag, "c", "", "Config file")
+	rootCmd.Flags().Bool("version", false, "Application version")
+
+	rootCmd.AddCommand(config.RootCmd)
+	rootCmd.AddCommand(morph.RootCmd)
+	rootCmd.AddCommand(storagecfg.RootCmd)
+
+	rootCmd.AddCommand(autocomplete.Command("frostfs-adm"))
+	rootCmd.AddCommand(gendoc.Command(rootCmd))
+}
+
+func Execute() error {
+	return rootCmd.Execute()
+}
+
+func entryPoint(cmd *cobra.Command, args []string) error {
+	printVersion, _ := cmd.Flags().GetBool("version")
+	if printVersion {
+		cmd.Print(misc.BuildInfo("NeoFS Adm"))
+		return nil
+	}
+
+	return cmd.Usage()
+}
+
+func initConfig(cmd *cobra.Command) {
+	configFile, err := cmd.Flags().GetString(configFlag)
+	if err != nil || configFile == "" {
+		return
+	}
+
+	viper.SetConfigType("yml")
+	viper.SetConfigFile(configFile)
+	_ = viper.ReadInConfig() // if config file is set but unavailable, ignore it
+}

cmd/frostfs-adm/internal/modules/storagecfg/config.go

@@ -0,0 +1,138 @@
+package storagecfg
+
+const configTemplate = `logger:
+  level: info  # logger level: one of "debug", "info" (default), "warn", "error", "dpanic", "panic", "fatal"
+
+node:
+  wallet:
+    path: {{ .Wallet.Path }}  # path to a NEO wallet; ignored if key is presented
+    address: {{ .Wallet.Account }}  # address of a NEO account in the wallet; ignored if key is presented
+    password: {{ .Wallet.Password }}  # password for a NEO account in the wallet; ignored if key is presented
+  addresses:  # list of addresses announced by Storage node in the Network map
+    - {{ .AnnouncedAddress }}
+  attribute_0: UN-LOCODE:{{ .Attribute.Locode }}
+  relay: {{ .Relay }}  # start Storage node in relay mode without bootstrapping into the Network map
+  subnet:
+    exit_zero: false # toggle entrance to zero subnet (overrides corresponding attribute and occurrence in entries)
+    entries: [] # list of IDs of subnets to enter in a text format of NeoFS API protocol (overrides corresponding attributes)
+
+grpc:
+  num: 1  # total number of listener endpoints
+  0:
+    endpoint: {{ .Endpoint }}  # endpoint for gRPC server
+    tls:{{if .TLSCert}}
+      enabled: true  # enable TLS for a gRPC connection (min version is TLS 1.2)
+      certificate: {{ .TLSCert }}  # path to TLS certificate
+      key: {{ .TLSKey }}  # path to TLS key
+    {{- else }}
+      enabled: false # disable TLS for a gRPC connection
+    {{- end}}
+
+control:
+  authorized_keys:  # list of hex-encoded public keys that have rights to use the Control Service
+    {{- range .AuthorizedKeys }}
+    - {{.}}{{end}}
+  grpc:
+    endpoint: {{.ControlEndpoint}}  # endpoint that is listened by the Control Service
+
+morph:
+  dial_timeout: 20s  # timeout for side chain NEO RPC client connection
+  cache_ttl: 15s  # use TTL cache for side chain GET operations
+  rpc_endpoint:  # side chain N3 RPC endpoints
+    {{- range .MorphRPC }}
+    - address: wss://{{.}}/ws{{end}}
+{{if not .Relay }}
+storage:
+  shard_pool_size: 15  # size of per-shard worker pools used for PUT operations
+
+  shard:
+    default: # section with the default shard parameters
+      metabase:
+        perm: 0644  # permissions for metabase files(directories: +x for current user and group)
+
+      blobstor:
+        perm: 0644  # permissions for blobstor files(directories: +x for current user and group)
+        depth: 2  # max depth of object tree storage in FS
+        small_object_size: 102400  # 100KiB, size threshold for "small" objects which are stored in key-value DB, not in FS, bytes
+        compress: true  # turn on/off Zstandard compression (level 3) of stored objects
+        compression_exclude_content_types:
+          - audio/*
+          - video/*
+
+        blobovnicza:
+          size: 1073741824  # approximate size limit of single blobovnicza instance, total size will be: size*width^(depth+1), bytes
+          depth: 1  # max depth of object tree storage in key-value DB
+          width: 4   # max width of object tree storage in key-value DB
+          opened_cache_capacity: 50  # maximum number of opened database files
+
+      gc:
+        remover_batch_size: 200  # number of objects to be removed by the garbage collector
+        remover_sleep_interval: 5m  # frequency of the garbage collector invocation
+    0:
+      mode: "read-write"  # mode of the shard, must be one of the: "read-write" (default), "read-only"
+
+      metabase:
+        path: {{ .MetabasePath }}  # path to the metabase
+
+      blobstor:
+        path: {{ .BlobstorPath }}  # path to the blobstor
+{{end}}`
+
+const (
+	neofsMainnetAddress   = "2cafa46838e8b564468ebd868dcafdd99dce6221"
+	balanceMainnetAddress = "dc1ec98d9d0c5f9dfade16144defe08cffc5ca55"
+	neofsTestnetAddress   = "b65d8243ac63983206d17e5221af0653a7266fa1"
+	balanceTestnetAddress = "e0420c216003747626670d1424569c17c79015bf"
+)
+
+var n3config = map[string]struct {
+	MorphRPC        []string
+	RPC             []string
+	NeoFSContract   string
+	BalanceContract string
+}{
+	"testnet": {
+		MorphRPC: []string{
+			"rpc01.morph.testnet.fs.neo.org:51331",
+			"rpc02.morph.testnet.fs.neo.org:51331",
+			"rpc03.morph.testnet.fs.neo.org:51331",
+			"rpc04.morph.testnet.fs.neo.org:51331",
+			"rpc05.morph.testnet.fs.neo.org:51331",
+			"rpc06.morph.testnet.fs.neo.org:51331",
+			"rpc07.morph.testnet.fs.neo.org:51331",
+		},
+		RPC: []string{
+			"rpc01.testnet.n3.nspcc.ru:21331",
+			"rpc02.testnet.n3.nspcc.ru:21331",
+			"rpc03.testnet.n3.nspcc.ru:21331",
+			"rpc04.testnet.n3.nspcc.ru:21331",
+			"rpc05.testnet.n3.nspcc.ru:21331",
+			"rpc06.testnet.n3.nspcc.ru:21331",
+			"rpc07.testnet.n3.nspcc.ru:21331",
+		},
+		NeoFSContract:   neofsTestnetAddress,
+		BalanceContract: balanceTestnetAddress,
+	},
+	"mainnet": {
+		MorphRPC: []string{
+			"rpc1.morph.fs.neo.org:40341",
+			"rpc2.morph.fs.neo.org:40341",
+			"rpc3.morph.fs.neo.org:40341",
+			"rpc4.morph.fs.neo.org:40341",
+			"rpc5.morph.fs.neo.org:40341",
+			"rpc6.morph.fs.neo.org:40341",
+			"rpc7.morph.fs.neo.org:40341",
+		},
+		RPC: []string{
+			"rpc1.n3.nspcc.ru:10331",
+			"rpc2.n3.nspcc.ru:10331",
+			"rpc3.n3.nspcc.ru:10331",
+			"rpc4.n3.nspcc.ru:10331",
+			"rpc5.n3.nspcc.ru:10331",
+			"rpc6.n3.nspcc.ru:10331",
+			"rpc7.n3.nspcc.ru:10331",
+		},
+		NeoFSContract:   neofsMainnetAddress,
+		BalanceContract: balanceMainnetAddress,
+	},
+}

cmd/frostfs-adm/internal/modules/storagecfg/root.go

@@ -0,0 +1,417 @@
+package storagecfg
+
+import (
+	"bytes"
+	"context"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"math/rand"
+	"net"
+	"net/url"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"text/template"
+	"time"
+
+	netutil "github.com/TrueCloudLab/frostfs-node/pkg/network"
+	"github.com/chzyer/readline"
+	"github.com/nspcc-dev/neo-go/cli/flags"
+	"github.com/nspcc-dev/neo-go/cli/input"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/gas"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/nep17"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+
+	"github.com/spf13/cobra"
+)
+
+const (
+	walletFlag  = "wallet"
+	accountFlag = "account"
+)
+
+const (
+	defaultControlEndpoint = "localhost:8090"
+	defaultDataEndpoint    = "localhost"
+)
+
+// RootCmd is a root command of config section.
+var RootCmd = &cobra.Command{
+	Use:   "storage-config [-w wallet] [-a acccount] [<path-to-config>]",
+	Short: "Section for storage node configuration commands",
+	Run:   storageConfig,
+}
+
+func init() {
+	fs := RootCmd.Flags()
+
+	fs.StringP(walletFlag, "w", "", "Path to wallet")
+	fs.StringP(accountFlag, "a", "", "Wallet account")
+}
+
+type config struct {
+	AnnouncedAddress string
+	AuthorizedKeys   []string
+	ControlEndpoint  string
+	Endpoint         string
+	TLSCert          string
+	TLSKey           string
+	MorphRPC         []string
+	Attribute        struct {
+		Locode string
+	}
+	Wallet struct {
+		Path     string
+		Account  string
+		Password string
+	}
+	Relay        bool
+	BlobstorPath string
+	MetabasePath string
+}
+
+func storageConfig(cmd *cobra.Command, args []string) {
+	var outPath string
+	if len(args) != 0 {
+		outPath = args[0]
+	} else {
+		outPath = getPath("File to write config at [./config.yml]: ")
+		if outPath == "" {
+			outPath = "./config.yml"
+		}
+	}
+
+	historyPath := filepath.Join(os.TempDir(), "frostfs-adm.history")
+	readline.SetHistoryPath(historyPath)
+
+	var c config
+
+	c.Wallet.Path, _ = cmd.Flags().GetString(walletFlag)
+	if c.Wallet.Path == "" {
+		c.Wallet.Path = getPath("Path to the storage node wallet: ")
+	}
+
+	w, err := wallet.NewWalletFromFile(c.Wallet.Path)
+	fatalOnErr(err)
+
+	c.Wallet.Account, _ = cmd.Flags().GetString(accountFlag)
+	if c.Wallet.Account == "" {
+		addr := address.Uint160ToString(w.GetChangeAddress())
+		c.Wallet.Account = getWalletAccount(w, fmt.Sprintf("Wallet account [%s]: ", addr))
+		if c.Wallet.Account == "" {
+			c.Wallet.Account = addr
+		}
+	}
+
+	accH, err := flags.ParseAddress(c.Wallet.Account)
+	fatalOnErr(err)
+
+	acc := w.GetAccount(accH)
+	if acc == nil {
+		fatalOnErr(errors.New("can't find account in wallet"))
+	}
+
+	c.Wallet.Password, err = input.ReadPassword(fmt.Sprintf("Account password for %s: ", c.Wallet.Account))
+	fatalOnErr(err)
+
+	err = acc.Decrypt(c.Wallet.Password, keys.NEP2ScryptParams())
+	fatalOnErr(err)
+
+	c.AuthorizedKeys = append(c.AuthorizedKeys, hex.EncodeToString(acc.PrivateKey().PublicKey().Bytes()))
+
+	var network string
+	for {
+		network = getString("Choose network [mainnet]/testnet: ")
+		switch network {
+		case "":
+			network = "mainnet"
+		case "testnet", "mainnet":
+		default:
+			cmd.Println(`Network must be either "mainnet" or "testnet"`)
+			continue
+		}
+		break
+	}
+
+	c.MorphRPC = n3config[network].MorphRPC
+
+	depositGas(cmd, acc, network)
+
+	c.Attribute.Locode = getString("UN-LOCODE attribute in [XX YYY] format: ")
+	var addr, port string
+	for {
+		c.AnnouncedAddress = getString("Publicly announced address: ")
+		validator := netutil.Address{}
+		err := validator.FromString(c.AnnouncedAddress)
+		if err != nil {
+			cmd.Println("Incorrect address format. See https://github.com/TrueCloudLab/frostfs-node/blob/master/pkg/network/address.go for details.")
+			continue
+		}
+		uriAddr, err := url.Parse(validator.URIAddr())
+		if err != nil {
+			panic(fmt.Errorf("unexpected error: %w", err))
+		}
+		addr = uriAddr.Hostname()
+		port = uriAddr.Port()
+		ip, err := net.ResolveIPAddr("ip", addr)
+		if err != nil {
+			cmd.Printf("Can't resolve IP address %s: %v\n", addr, err)
+			continue
+		}
+
+		if !ip.IP.IsGlobalUnicast() {
+			cmd.Println("IP must be global unicast.")
+			continue
+		}
+		cmd.Printf("Resolved IP address: %s\n", ip.String())
+
+		_, err = strconv.ParseUint(port, 10, 16)
+		if err != nil {
+			cmd.Println("Port must be an integer.")
+			continue
+		}
+
+		break
+	}
+
+	defaultAddr := net.JoinHostPort(defaultDataEndpoint, port)
+	c.Endpoint = getString(fmt.Sprintf("Listening address [%s]: ", defaultAddr))
+	if c.Endpoint == "" {
+		c.Endpoint = defaultAddr
+	}
+
+	c.ControlEndpoint = getString(fmt.Sprintf("Listening address (control endpoint) [%s]: ", defaultControlEndpoint))
+	if c.ControlEndpoint == "" {
+		c.ControlEndpoint = defaultControlEndpoint
+	}
+
+	c.TLSCert = getPath("TLS Certificate (optional): ")
+	if c.TLSCert != "" {
+		c.TLSKey = getPath("TLS Key: ")
+	}
+
+	c.Relay = getConfirmation(false, "Use node as a relay? yes/[no]: ")
+	if !c.Relay {
+		p := getPath("Path to the storage directory (all available storage will be used): ")
+		c.BlobstorPath = filepath.Join(p, "blob")
+		c.MetabasePath = filepath.Join(p, "meta")
+	}
+
+	out := applyTemplate(c)
+	fatalOnErr(os.WriteFile(outPath, out, 0644))
+
+	cmd.Println("Node is ready for work! Run `frostfs-node -config " + outPath + "`")
+}
+
+func getWalletAccount(w *wallet.Wallet, prompt string) string {
+	addrs := make([]readline.PrefixCompleterInterface, len(w.Accounts))
+	for i := range w.Accounts {
+		addrs[i] = readline.PcItem(w.Accounts[i].Address)
+	}
+
+	readline.SetAutoComplete(readline.NewPrefixCompleter(addrs...))
+	defer readline.SetAutoComplete(nil)
+
+	s, err := readline.Line(prompt)
+	fatalOnErr(err)
+	return strings.TrimSpace(s) // autocompleter can return a string with a trailing space
+}
+
+func getString(prompt string) string {
+	s, err := readline.Line(prompt)
+	fatalOnErr(err)
+	if s != "" {
+		_ = readline.AddHistory(s)
+	}
+	return s
+}
+
+type filenameCompleter struct{}
+
+func (filenameCompleter) Do(line []rune, pos int) (newLine [][]rune, length int) {
+	prefix := string(line[:pos])
+	dir := filepath.Dir(prefix)
+	de, err := os.ReadDir(dir)
+	if err != nil {
+		return nil, 0
+	}
+
+	for i := range de {
+		name := filepath.Join(dir, de[i].Name())
+		if strings.HasPrefix(name, prefix) {
+			tail := []rune(strings.TrimPrefix(name, prefix))
+			if de[i].IsDir() {
+				tail = append(tail, filepath.Separator)
+			}
+			newLine = append(newLine, tail)
+		}
+	}
+	if pos != 0 {
+		return newLine, pos - len([]rune(dir))
+	}
+	return newLine, 0
+}
+
+func getPath(prompt string) string {
+	readline.SetAutoComplete(filenameCompleter{})
+	defer readline.SetAutoComplete(nil)
+
+	p, err := readline.Line(prompt)
+	fatalOnErr(err)
+
+	if p == "" {
+		return p
+	}
+
+	_ = readline.AddHistory(p)
+
+	abs, err := filepath.Abs(p)
+	if err != nil {
+		fatalOnErr(fmt.Errorf("can't create an absolute path: %w", err))
+	}
+
+	return abs
+}
+
+func getConfirmation(def bool, prompt string) bool {
+	for {
+		s, err := readline.Line(prompt)
+		fatalOnErr(err)
+
+		switch strings.ToLower(s) {
+		case "y", "yes":
+			return true
+		case "n", "no":
+			return false
+		default:
+			if len(s) == 0 {
+				return def
+			}
+		}
+	}
+}
+
+func applyTemplate(c config) []byte {
+	tmpl, err := template.New("config").Parse(configTemplate)
+	fatalOnErr(err)
+
+	b := bytes.NewBuffer(nil)
+	fatalOnErr(tmpl.Execute(b, c))
+
+	return b.Bytes()
+}
+
+func fatalOnErr(err error) {
+	if err != nil {
+		_, _ = fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+		os.Exit(1)
+	}
+}
+
+func depositGas(cmd *cobra.Command, acc *wallet.Account, network string) {
+	sideClient := initClient(n3config[network].MorphRPC)
+	balanceHash, _ := util.Uint160DecodeStringLE(n3config[network].BalanceContract)
+
+	sideActor, err := actor.NewSimple(sideClient, acc)
+	if err != nil {
+		fatalOnErr(fmt.Errorf("creating actor over side chain client: %w", err))
+	}
+
+	sideGas := nep17.NewReader(sideActor, balanceHash)
+	accSH := acc.Contract.ScriptHash()
+
+	balance, err := sideGas.BalanceOf(accSH)
+	if err != nil {
+		fatalOnErr(fmt.Errorf("side chain balance: %w", err))
+	}
+
+	ok := getConfirmation(false, fmt.Sprintf("Current NeoFS balance is %s, make a deposit? y/[n]: ",
+		fixedn.ToString(balance, 12)))
+	if !ok {
+		return
+	}
+
+	amountStr := getString("Enter amount in GAS: ")
+	amount, err := fixedn.FromString(amountStr, 8)
+	if err != nil {
+		fatalOnErr(fmt.Errorf("invalid amount: %w", err))
+	}
+
+	mainClient := initClient(n3config[network].RPC)
+	neofsHash, _ := util.Uint160DecodeStringLE(n3config[network].NeoFSContract)
+
+	mainActor, err := actor.NewSimple(mainClient, acc)
+	if err != nil {
+		fatalOnErr(fmt.Errorf("creating actor over main chain client: %w", err))
+	}
+
+	mainGas := nep17.New(mainActor, gas.Hash)
+
+	txHash, _, err := mainGas.Transfer(accSH, neofsHash, amount, nil)
+	if err != nil {
+		fatalOnErr(fmt.Errorf("sending TX to the NeoFS contract: %w", err))
+	}
+
+	cmd.Print("Waiting for transactions to persist.")
+	tick := time.NewTicker(time.Second / 2)
+	defer tick.Stop()
+
+	timer := time.NewTimer(time.Second * 20)
+	defer timer.Stop()
+
+	at := trigger.Application
+
+loop:
+	for {
+		select {
+		case <-tick.C:
+			_, err := mainClient.GetApplicationLog(txHash, &at)
+			if err == nil {
+				cmd.Print("\n")
+				break loop
+			}
+			cmd.Print(".")
+		case <-timer.C:
+			cmd.Printf("\nTimeout while waiting for transaction to persist.\n")
+			if getConfirmation(false, "Continue configuration? yes/[no]: ") {
+				return
+			}
+			os.Exit(1)
+		}
+	}
+}
+
+func initClient(rpc []string) *rpcclient.Client {
+	var c *rpcclient.Client
+	var err error
+
+	shuffled := make([]string, len(rpc))
+	copy(shuffled, rpc)
+	rand.Shuffle(len(shuffled), func(i, j int) { shuffled[i], shuffled[j] = shuffled[j], shuffled[i] })
+
+	for _, endpoint := range shuffled {
+		c, err = rpcclient.New(context.Background(), "https://"+endpoint, rpcclient.Options{
+			DialTimeout:    time.Second * 2,
+			RequestTimeout: time.Second * 5,
+		})
+		if err != nil {
+			continue
+		}
+		if err = c.Init(); err != nil {
+			continue
+		}
+		return c
+	}
+
+	fatalOnErr(fmt.Errorf("can't create N3 client: %w", err))
+	panic("unreachable")
+}