[#883] adm: Support proxy accounts

Signed-off-by: Alex Vanin <a.vanin@yadro.com>

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

@@ -0,0 +1,68 @@
+package morph
+
+import (
+	"fmt"
+
+	commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
+	"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/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"
+)
+
+const (
+	accountAddressFlag = "account"
+)
+
+func addProxyAccount(cmd *cobra.Command, _ []string) {
+	acc, _ := cmd.Flags().GetString(accountAddressFlag)
+	addr, err := address.StringToUint160(acc)
+	commonCmd.ExitOnErr(cmd, "invalid account: %w", err)
+	err = processAccount(cmd, addr, "addAccount")
+	commonCmd.ExitOnErr(cmd, "processing error: %w", err)
+}
+
+func removeProxyAccount(cmd *cobra.Command, _ []string) {
+	acc, _ := cmd.Flags().GetString(accountAddressFlag)
+	addr, err := address.StringToUint160(acc)
+	commonCmd.ExitOnErr(cmd, "invalid account: %w", err)
+	err = processAccount(cmd, addr, "removeAccount")
+	commonCmd.ExitOnErr(cmd, "processing error: %w", err)
+}
+
+func processAccount(cmd *cobra.Command, addr util.Uint160, method string) error {
+	wCtx, err := newInitializeContext(cmd, viper.GetViper())
+	if err != nil {
+		return fmt.Errorf("can't to initialize context: %w", err)
+	}
+
+	r := management.NewReader(wCtx.ReadOnlyInvoker)
+	cs, err := r.GetContractByID(1)
+	if err != nil {
+		return fmt.Errorf("can't get NNS contract info: %w", err)
+	}
+
+	proxyHash, err := nnsResolveHash(wCtx.ReadOnlyInvoker, cs.Hash, proxyContract+".frostfs")
+	if err != nil {
+		return fmt.Errorf("can't get proxy contract hash: %w", err)
+	}
+
+	bw := io.NewBufBinWriter()
+	emit.AppCall(bw.BinWriter, proxyHash, method, callflag.All, addr)
+
+	if err := wCtx.sendConsensusTx(bw.Bytes()); err != nil {
+		return err
+	}
+
+	if err = wCtx.awaitTx(); err != nil {
+		return err
+	}
+
+	cmd.Println("Proxy contract has been updated")
+
+	return nil
+}