verify a wallet name is available before allowing users to input thei…

…r seed

libwallet/assets_manager.go

@@ -27,6 +27,7 @@ import (
 	"github.com/crypto-power/cryptopower/libwallet/assets/btc"
 	"github.com/crypto-power/cryptopower/libwallet/assets/dcr"
 	"github.com/crypto-power/cryptopower/libwallet/assets/ltc"
+	"github.com/crypto-power/cryptopower/libwallet/assets/wallet"
 	sharedW "github.com/crypto-power/cryptopower/libwallet/assets/wallet"
 )
 
@@ -615,6 +616,18 @@ func (mgr *AssetsManager) DeleteBadWallet(walletID int) error {
 	return nil
 }
 
+// Check if wallet name is already exists
+func (mgr *AssetsManager) WalletNameIsExists(walletName string) (bool, error) {
+	wallet := wallet.Wallet{}
+	err := mgr.params.DB.One("Name", walletName, &wallet)
+	if err == nil {
+		return true, nil
+	} else if err != storm.ErrNotFound {
+		return false, err
+	}
+	return false, nil
+}
+
 // RootDirFileSizeInBytes returns the total directory size of
 // Assets Manager's root directory in bytes.
 func (mgr *AssetsManager) RootDirFileSizeInBytes(dataDir string) (int64, error) {

ui/page/components/wallet_setup_page.go

@@ -434,6 +434,9 @@ func (pg *CreateWallet) handleEditorEvents(gtx C) {
 
 	// create wallet action
 	if (pg.continueBtn.Clicked(gtx) || isSubmit) && pg.validCreateWalletInputs() {
+		if pg.checkWalletNameExists() {
+			return
+		}
 		go pg.createWallet()
 	}
 
@@ -565,6 +568,10 @@ func (pg *CreateWallet) HandleUserInteractions(gtx C) {
 
 	// restore wallet actions
 	if pg.restoreBtn.Clicked(gtx) && pg.validRestoreWalletInputs() {
+		if pg.checkWalletNameExists() {
+			return
+		}
+
 		afterRestore := func(newWallet sharedW.Asset) {
 			// todo setup mixer for restored accounts automatically
 			pg.walletCreationSuccessCallback(newWallet)
@@ -574,6 +581,20 @@ func (pg *CreateWallet) HandleUserInteractions(gtx C) {
 	}
 }
 
+func (pg *CreateWallet) checkWalletNameExists() bool {
+	walletName := pg.walletName.Editor.Text()
+	exists, err := pg.AssetsManager.WalletNameIsExists(walletName)
+	if err != nil {
+		pg.walletName.SetError(err.Error())
+		return true
+	}
+	if exists {
+		pg.walletName.SetError(values.StringF(values.StrWalletExist, walletName))
+		return true
+	}
+	return false
+}
+
 func (pg *CreateWallet) passwordsMatch(editors ...*widget.Editor) bool {
 	if len(editors) < 2 {
 		return false

ui/page/wallet/single_wallet_main_page.go

@@ -858,8 +858,8 @@ func (swmp *SingleWalletMasterPage) showBackupInfo() {
 
 func (swmp *SingleWalletMasterPage) backup(wallet sharedW.Asset) {
 	currentPage := swmp.ParentWindow().CurrentPageID()
-	swmp.ParentWindow().Display(seedbackup.NewBackupInstructionsPage(swmp.Load, swmp.selectedWallet, func(_ *load.Load, navigator app.WindowNavigator) {
-		swmp.selectedWallet.SaveUserConfigValue(sharedW.SeedBackupNotificationConfigKey, true)
+	swmp.ParentWindow().Display(seedbackup.NewBackupInstructionsPage(swmp.Load, wallet, func(_ *load.Load, navigator app.WindowNavigator) {
+		wallet.SaveUserConfigValue(sharedW.SeedBackupNotificationConfigKey, true)
 		navigator.ClosePagesAfter(currentPage)
 	}))
 }