[#932] adm: Rename util to helper

To avoid conflicts with `util` packages in other imports.

Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>

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

@@ -0,0 +1,121 @@
+package helper
+
+import (
+	"errors"
+	"fmt"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/commonflags"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/morph/constants"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client/netmap"
+	"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/management"
+	"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/viper"
+)
+
+var NetmapConfigKeys = []string{
+	netmap.EpochDurationConfig,
+	netmap.MaxObjectSizeConfig,
+	netmap.ContainerFeeConfig,
+	netmap.ContainerAliasFeeConfig,
+	netmap.IrCandidateFeeConfig,
+	netmap.WithdrawFeeConfig,
+	netmap.HomomorphicHashingDisabledKey,
+	netmap.MaintenanceModeAllowedConfig,
+}
+
+func GetDefaultNetmapContractConfigMap() map[string]any {
+	m := make(map[string]any)
+	m[netmap.EpochDurationConfig] = viper.GetInt64(commonflags.EpochDurationInitFlag)
+	m[netmap.MaxObjectSizeConfig] = viper.GetInt64(commonflags.MaxObjectSizeInitFlag)
+	m[netmap.ContainerFeeConfig] = viper.GetInt64(commonflags.ContainerFeeInitFlag)
+	m[netmap.ContainerAliasFeeConfig] = viper.GetInt64(commonflags.ContainerAliasFeeInitFlag)
+	m[netmap.IrCandidateFeeConfig] = viper.GetInt64(commonflags.CandidateFeeInitFlag)
+	m[netmap.WithdrawFeeConfig] = viper.GetInt64(commonflags.WithdrawFeeInitFlag)
+	m[netmap.HomomorphicHashingDisabledKey] = viper.GetBool(commonflags.HomomorphicHashDisabledInitFlag)
+	m[netmap.MaintenanceModeAllowedConfig] = viper.GetBool(commonflags.MaintenanceModeAllowedInitFlag)
+	return m
+}
+
+func ParseConfigFromNetmapContract(arr []stackitem.Item) (map[string][]byte, error) {
+	m := make(map[string][]byte, len(arr))
+	for _, param := range arr {
+		tuple, ok := param.Value().([]stackitem.Item)
+		if !ok || len(tuple) != 2 {
+			return nil, errors.New("invalid ListConfig response from netmap contract")
+		}
+
+		k, err := tuple[0].TryBytes()
+		if err != nil {
+			return nil, errors.New("invalid config key from netmap contract")
+		}
+
+		v, err := tuple[1].TryBytes()
+		if err != nil {
+			return nil, InvalidConfigValueErr(string(k))
+		}
+		m[string(k)] = v
+	}
+	return m, nil
+}
+
+func InvalidConfigValueErr(key string) error {
+	return fmt.Errorf("invalid %s config value from netmap contract", key)
+}
+
+func EmitNewEpochCall(bw *io.BufBinWriter, wCtx *InitializeContext, nmHash util.Uint160) error {
+	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
+}
+
+func GetNetConfigFromNetmapContract(roInvoker *invoker.Invoker) ([]stackitem.Item, error) {
+	r := management.NewReader(roInvoker)
+	cs, err := r.GetContractByID(1)
+	if err != nil {
+		return nil, fmt.Errorf("get nns contract: %w", err)
+	}
+	nmHash, err := NNSResolveHash(roInvoker, cs.Hash, DomainOf(constants.NetmapContract))
+	if err != nil {
+		return nil, fmt.Errorf("can't get netmap contract hash: %w", err)
+	}
+	arr, err := unwrap.Array(roInvoker.Call(nmHash, "listConfig"))
+	if err != nil {
+		return nil, fmt.Errorf("can't fetch list of network config keys from the netmap contract")
+	}
+	return arr, err
+}
+
+func MergeNetmapConfig(roInvoker *invoker.Invoker, md map[string]any) error {
+	arr, err := GetNetConfigFromNetmapContract(roInvoker)
+	if err != nil {
+		return err
+	}
+	m, err := ParseConfigFromNetmapContract(arr)
+	if err != nil {
+		return err
+	}
+	for k, v := range m {
+		for _, key := range NetmapConfigKeys {
+			if k == key {
+				md[k] = v
+				break
+			}
+		}
+	}
+	return nil
+}