[#995] neofs-adm: implement deposit-notary command

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

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

@@ -1 +1,132 @@
 package morph
+
+import (
+	"fmt"
+	"strconv"
+
+	"github.com/nspcc-dev/neo-go/cli/input"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
+	"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/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpc/client"
+	"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/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
+	}
+
+	nhs, err := getNativeHashes(c)
+	if err != nil {
+		return fmt.Errorf("can't get native contract hashes: %w", err)
+	}
+
+	gasHash, ok := nhs[nativenames.Gas]
+	if !ok {
+		return fmt.Errorf("can't retrieve %s contract hash", nativenames.Gas)
+	}
+	notaryHash, ok := nhs[nativenames.Notary]
+	if !ok {
+		return fmt.Errorf("can't retrieve %s contract hash", nativenames.Notary)
+	}
+
+	height, err := c.GetBlockCount()
+	if err != nil {
+		return fmt.Errorf("can't get current height: %v", err)
+	}
+
+	bw := io.NewBufBinWriter()
+	emit.AppCall(bw.BinWriter, gasHash, "transfer", callflag.All,
+		accHash, notaryHash.BytesBE(), int64(gasAmount), []interface{}{nil, int64(height) + till})
+	if bw.Err != nil {
+		return fmt.Errorf("BUG: invalid transfer arguments: %w", bw.Err)
+	}
+
+	tx, err := c.CreateTxFromScript(bw.Bytes(), acc, -1, 0, []client.SignerAccount{{
+		Signer: transaction.Signer{
+			Account: acc.Contract.ScriptHash(),
+			Scopes:  transaction.Global,
+		},
+		Account: acc,
+	}})
+	if err != nil {
+		return fmt.Errorf("can't create tx: %w", err)
+	}
+
+	err = acc.SignTx(c.GetNetwork(), tx)
+	if err != nil {
+		return fmt.Errorf("can't sign tx: %w", err)
+	}
+
+	cc := defaultClientContext(c)
+	return cc.sendTx(tx, cmd, true)
+}