[#1555] neofs-adm: Allow to remove nodes from the netmap

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>

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

@@ -0,0 +1,60 @@
+package morph
+
+import (
+	"errors"
+	"fmt"
+
+	"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"
+	netmapcontract "github.com/nspcc-dev/neofs-contract/netmap"
+	"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)
+	}
+
+	cs, err := wCtx.Client.GetContractStateByID(1)
+	if err != nil {
+		return fmt.Errorf("can't get NNS contract info: %w", err)
+	}
+
+	nmHash, err := nnsResolveHash(wCtx.Client, cs.Hash, netmapContract+".neofs")
+	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.OfflineState), nodeKeys[i].Bytes())
+	}
+
+	if err := emitNewEpochCall(bw, wCtx, nmHash); err != nil {
+		return err
+	}
+
+	if err := wCtx.sendCommitteeTx(bw.Bytes(), -1, true); err != nil {
+		return err
+	}
+
+	return wCtx.awaitTx()
+}