// createWallet prompts the user for information needed to generate a new wallet
// and generates the wallet accordingly. The new wallet will reside at the
// provided path.
func createWallet(cfg *config) error {
// When there is a legacy keystore, open it now to ensure any errors
// don't end up exiting the process after the user has spent time
// entering a bunch of information.
netDir := networkDir(cfg.DataDir, activeNet.Params)
keystorePath := filepath.Join(netDir, keystore.Filename)
var legacyKeyStore *keystore.Store
_, err := os.Stat(keystorePath)
if err != nil && !os.IsNotExist(err) {
// A stat error not due to a non-existant file should be
// returned to the caller.
return err
} else if err == nil {
// Keystore file exists.
legacyKeyStore, err = keystore.OpenDir(netDir)
if err != nil {
return err
}
}
// Start by prompting for the private passphrase. When there is an
// existing keystore, the user will be promped for that passphrase,
// otherwise they will be prompted for a new one.
reader := bufio.NewReader(os.Stdin)
privPass, err := promptConsolePrivatePass(reader, legacyKeyStore)
if err != nil {
return err
}
// Ascertain the public passphrase. This will either be a value
// specified by the user or the default hard-coded public passphrase if
// the user does not want the additional public data encryption.
pubPass, err := promptConsolePublicPass(reader, privPass, cfg)
if err != nil {
return err
}
// Ascertain the wallet generation seed. This will either be an
// automatically generated value the user has already confirmed or a
// value the user has entered which has already been validated.
seed, err := promptConsoleSeed(reader)
if err != nil {
return err
}
// Create the wallet.
dbPath := filepath.Join(netDir, walletDbName)
fmt.Println("Creating the wallet...")
// Create the wallet database backed by bolt db.
db, err := walletdb.Create("bdb", dbPath)
if err != nil {
return err
}
// Create the address manager.
namespace, err := db.Namespace(waddrmgrNamespaceKey)
if err != nil {
return err
}
manager, err := waddrmgr.Create(namespace, seed, []byte(pubPass),
[]byte(privPass), activeNet.Params, nil)
if err != nil {
return err
}
// Import the addresses in the legacy keystore to the new wallet if
// any exist.
if legacyKeyStore != nil {
fmt.Println("Importing addresses from existing wallet...")
if err := manager.Unlock([]byte(privPass)); err != nil {
return err
}
if err := convertLegacyKeystore(legacyKeyStore, manager); err != nil {
return err
}
legacyKeyStore.Lock()
legacyKeyStore = nil
// Remove the legacy key store.
if err := os.Remove(keystorePath); err != nil {
fmt.Printf("WARN: Failed to remove legacy wallet "+
"from'%s'\n", keystorePath)
}
}
manager.Close()
fmt.Println("The wallet has been created successfully.")
return nil
}
