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id.go
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id.go
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package commands
import (
"context"
"encoding/hex"
"fmt"
"os"
api "github.com/nknorg/nkn/v2/api/common"
"github.com/nknorg/nkn/v2/api/httpjson/client"
"github.com/nknorg/nkn/v2/common"
"github.com/nknorg/nkn/v2/config"
"github.com/nknorg/nkn/v2/vault"
"github.com/spf13/cobra"
)
// idCmd represents the id command
var idCmd = &cobra.Command{
Use: "id",
Short: "generate id for nknd",
Long: "With nknc id, you could generate ID.",
Run: func(cmd *cobra.Command, args []string) {
generateIDAction(cmd)
},
}
var (
genid bool
pubkeyHex string
)
func init() {
rootCmd.AddCommand(idCmd)
idCmd.Flags().BoolVar(&genid, "genid", false, "generate id")
idCmd.Flags().StringVar(&pubkeyHex, "pubkey", "", "pubkey to generate id for, leave empty for local wallet pubkey")
idCmd.Flags().StringVarP(&walletFile, "wallet", "w", config.Parameters.WalletFile, "wallet name")
idCmd.Flags().StringVarP(&walletPassword, "password", "p", "", "wallet password")
idCmd.Flags().StringVar(®fee, "regfee", "", "registration fee")
idCmd.Flags().StringVarP(&fee, "fee", "f", "", "transaction fee")
idCmd.Flags().Uint64Var(&nonce, "nonce", 0, "nonce")
}
func generateIDAction(cmd *cobra.Command) error {
pubkey, err := hex.DecodeString(pubkeyHex)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
myWallet, err := vault.OpenWallet(walletFile, GetPassword(walletPassword))
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
var txnFee common.Fixed64
if regfee == "" {
txnFee = common.Fixed64(0)
} else {
txnFee, err = common.StringToFixed64(regfee)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
var regFee common.Fixed64
fee = regfee
if fee == "" {
regFee = common.Fixed64(0)
} else {
regFee, err = common.StringToFixed64(fee)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
var resp []byte
switch {
case genid:
account, err := myWallet.GetDefaultAccount()
if err != nil {
return err
}
walletAddr, err := account.ProgramHash.ToAddress()
if err != nil {
return err
}
remoteNonce, height, err := client.GetNonceByAddr(Address(), walletAddr, true)
if err != nil {
return err
}
if nonce == 0 {
nonce = remoteNonce
}
txn, err := api.MakeGenerateIDTransaction(context.Background(), pubkey, myWallet, regFee, nonce, txnFee, height+1)
if err != nil {
fmt.Fprintln(os.Stderr, err)
return err
}
buff, err := txn.Marshal()
if err != nil {
fmt.Fprintln(os.Stderr, err)
return err
}
resp, err = client.Call(Address(), "sendrawtransaction", 0, map[string]interface{}{"tx": hex.EncodeToString(buff)})
if err != nil {
fmt.Fprintln(os.Stderr, err)
return err
}
default:
return cmd.Usage()
}
FormatOutput(resp)
return nil
}