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