[#749] neofs-adm: include neofs contracts in a group

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

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

@@ -0,0 +1,73 @@
+package morph
+
+import (
+	"encoding/json"
+	"fmt"
+	"path"
+
+	"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/manifest"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+	"github.com/spf13/viper"
+)
+
+const contractWalletName = "contract.json"
+
+func openContractWallet(walletDir string) (*wallet.Wallet, error) {
+	p := path.Join(walletDir, contractWalletName)
+	w, err := wallet.NewWalletFromFile(p)
+	if err != nil {
+		return nil, fmt.Errorf("can't open wallet: %w", err)
+	}
+
+	var password string
+	if key := "credentials.contract"; viper.IsSet(key) {
+		password = viper.GetString(key)
+	} else {
+		prompt := "Password for contract wallet > "
+		password, err = input.ReadPassword(prompt)
+		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)
+		}
+	}
+
+	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
+}