61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
package wallet
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/nspcc-dev/neo-go/cli/flags"
|
|
"github.com/nspcc-dev/neo-go/cli/input"
|
|
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
|
|
"github.com/nspcc-dev/neo-go/pkg/util"
|
|
"github.com/nspcc-dev/neo-go/pkg/wallet"
|
|
"github.com/spf13/viper"
|
|
)
|
|
|
|
// GetPassword gets the passphrase for a wallet.
|
|
func GetPassword(v *viper.Viper, variable string) *string {
|
|
var password *string
|
|
if v.IsSet(variable) {
|
|
pwd := v.GetString(variable)
|
|
password = &pwd
|
|
}
|
|
return password
|
|
}
|
|
|
|
// GetKeyFromPath reads a wallet and gets the private key.
|
|
func GetKeyFromPath(walletPath, addrStr string, password *string) (*keys.PrivateKey, error) {
|
|
if len(walletPath) == 0 {
|
|
return nil, fmt.Errorf("wallet path must not be empty")
|
|
}
|
|
w, err := wallet.NewWalletFromFile(walletPath)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("parse wallet: %w", err)
|
|
}
|
|
|
|
var addr util.Uint160
|
|
if len(addrStr) == 0 {
|
|
addr = w.GetChangeAddress()
|
|
} else {
|
|
addr, err = flags.ParseAddress(addrStr)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("invalid address")
|
|
}
|
|
}
|
|
|
|
acc := w.GetAccount(addr)
|
|
if acc == nil {
|
|
return nil, fmt.Errorf("couldn't find wallet account for %s", addrStr)
|
|
}
|
|
|
|
if password == nil {
|
|
pwd, err := input.ReadPassword(fmt.Sprintf("Enter password for %s > ", walletPath))
|
|
if err != nil {
|
|
return nil, fmt.Errorf("couldn't read password")
|
|
}
|
|
password = &pwd
|
|
}
|
|
if err := acc.Decrypt(*password, w.Scrypt); err != nil {
|
|
return nil, fmt.Errorf("couldn't decrypt account: %w", err)
|
|
}
|
|
|
|
return acc.PrivateKey(), nil
|
|
}
|