// promptConsolePrivatePass prompts the user for a private passphrase with
// varying behavior depending on whether the passed legacy keystore exists.
// When it does, the user is prompted for the existing passphrase which is then
// used to unlock it. On the other hand, when the legacy keystore is nil, the
// user is prompted for a new private passphrase. All prompts are repeated
// until the user enters a valid response.
func promptConsolePrivatePass(reader *bufio.Reader, legacyKeyStore *keystore.Store) ([]byte, error) {
// When there is not an existing legacy wallet, simply prompt the user
// for a new private passphase and return it.
if legacyKeyStore == nil {
return promptConsolePass(reader, "Enter the private "+
"passphrase for your new wallet", true)
}
// At this point, there is an existing legacy wallet, so prompt the user
// for the existing private passphrase and ensure it properly unlocks
// the legacy wallet so all of the addresses can later be imported.
fmt.Println("You have an existing legacy wallet. All addresses from " +
"your existing legacy wallet will be imported into the new " +
"wallet format.")
for {
privPass, err := promptConsolePass(reader, "Enter the private "+
"passphrase for your existing wallet", false)
if err != nil {
return nil, err
}
// Keep prompting the user until the passphrase is correct.
if err := legacyKeyStore.Unlock([]byte(privPass)); err != nil {
if err == keystore.ErrWrongPassphrase {
fmt.Println(err)
continue
}
return nil, err
}
return privPass, nil
}
}
