145 lines
3.3 KiB
Go
145 lines
3.3 KiB
Go
package wallet
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import (
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"bufio"
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"errors"
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"fmt"
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"os"
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"strings"
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"syscall"
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"github.com/CityOfZion/neo-go/pkg/wallet"
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"github.com/urfave/cli"
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"golang.org/x/crypto/ssh/terminal"
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)
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var (
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errNoPath = errors.New("target path where the wallet should be stored is mandatory and should be passed using (--path, -p) flags")
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errPhraseMismatch = errors.New("the entered pass-phrases do not match. Maybe you have misspelled them")
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)
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// NewCommands returns 'wallet' command.
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func NewCommands() []cli.Command {
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return []cli.Command{{
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Name: "wallet",
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Usage: "create, open and manage a NEO wallet",
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Subcommands: []cli.Command{
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{
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Name: "create",
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Usage: "create a new wallet",
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Action: createWallet,
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "path, p",
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Usage: "Target location of the wallet file.",
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},
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cli.BoolFlag{
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Name: "account, a",
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Usage: "Create a new account",
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},
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},
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},
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{
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Name: "dump",
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Usage: "check and dump an existing NEO wallet",
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Action: dumpWallet,
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "path, p",
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Usage: "Target location of the wallet file.",
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},
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cli.BoolFlag{
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Name: "decrypt, d",
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Usage: "Decrypt encrypted keys.",
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},
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},
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},
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},
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}}
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}
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func dumpWallet(ctx *cli.Context) error {
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path := ctx.String("path")
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if len(path) == 0 {
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return cli.NewExitError(errNoPath, 1)
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}
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wall, err := wallet.NewWalletFromFile(path)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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if ctx.Bool("decrypt") {
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fmt.Print("Wallet password: ")
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pass, err := terminal.ReadPassword(int(syscall.Stdin))
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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for i := range wall.Accounts {
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// Just testing the decryption here.
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err := wall.Accounts[i].Decrypt(string(pass))
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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}
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}
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fmtPrintWallet(wall)
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return nil
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}
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func createWallet(ctx *cli.Context) error {
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path := ctx.String("path")
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if len(path) == 0 {
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return cli.NewExitError(errNoPath, 1)
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}
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wall, err := wallet.NewWallet(path)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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if err := wall.Save(); err != nil {
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return cli.NewExitError(err, 1)
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}
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if ctx.Bool("account") {
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if err := createAccount(ctx, wall); err != nil {
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return cli.NewExitError(err, 1)
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}
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}
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fmtPrintWallet(wall)
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fmt.Printf("wallet successfully created, file location is %s\n", wall.Path())
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return nil
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}
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func createAccount(ctx *cli.Context, wall *wallet.Wallet) error {
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var (
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rawName,
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rawPhrase,
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rawPhraseCheck []byte
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)
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buf := bufio.NewReader(os.Stdin)
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fmt.Print("Enter the name of the account > ")
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rawName, _ = buf.ReadBytes('\n')
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fmt.Print("Enter passphrase > ")
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rawPhrase, _ = terminal.ReadPassword(int(syscall.Stdin))
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fmt.Print("\nConfirm passphrase > ")
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rawPhraseCheck, _ = terminal.ReadPassword(int(syscall.Stdin))
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// Clean data
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var (
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name = strings.TrimRight(string(rawName), "\n")
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phrase = strings.TrimRight(string(rawPhrase), "\n")
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phraseCheck = strings.TrimRight(string(rawPhraseCheck), "\n")
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)
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if phrase != phraseCheck {
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return errPhraseMismatch
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}
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return wall.CreateAccount(name, phrase)
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}
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func fmtPrintWallet(wall *wallet.Wallet) {
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b, _ := wall.JSON()
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fmt.Println("")
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fmt.Println(string(b))
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fmt.Println("")
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}
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