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

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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/rpcclient"
"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/vm/opcode"
"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})
emit.Opcodes(bw.BinWriter, opcode.ASSERT)
if bw.Err != nil {
return fmt.Errorf("BUG: invalid transfer arguments: %w", bw.Err)
}
tx, err := c.CreateTxFromScript(bw.Bytes(), acc, -1, 0, []rpcclient.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)
}
mn, err := c.GetNetwork()
if err != nil {
// error appears only if client
// has not been initialized
panic(err)
}
err = acc.SignTx(mn, tx)
if err != nil {
return fmt.Errorf("can't sign tx: %w", err)
}
cc := defaultClientContext(c)
return cc.sendTx(tx, cmd, true)
}