From b699d0215e0b9eaec565df5dffaedb9d1b715b4c Mon Sep 17 00:00:00 2001
From: jinoosss <jwchoi@onbloc.xyz>
Date: Thu, 26 Sep 2024 12:02:24 +0900
Subject: [PATCH] feat: add validation logic when adding seed phrases

---
 .../src/hooks/web/use-account-import-screen.ts         | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/packages/adena-extension/src/hooks/web/use-account-import-screen.ts b/packages/adena-extension/src/hooks/web/use-account-import-screen.ts
index 54783e3a..7cfba1c0 100644
--- a/packages/adena-extension/src/hooks/web/use-account-import-screen.ts
+++ b/packages/adena-extension/src/hooks/web/use-account-import-screen.ts
@@ -166,6 +166,7 @@ const useAccountImportScreen = ({ wallet }: { wallet: Wallet }): UseAccountImpor
 
   const onClickNext = useCallback(async () => {
     if (step === 'INIT') {
+      setErrMsg('');
       if (ableToSkipQuestionnaire) {
         setStep('SET_MNEMONIC');
       } else {
@@ -190,11 +191,14 @@ const useAccountImportScreen = ({ wallet }: { wallet: Wallet }): UseAccountImpor
         }).then(() => navigate(RoutePath.WebAccountAddedComplete));
         return;
       } else {
-        setStep('LOADING');
+        const keyring = await HDWalletKeyring.fromMnemonic(inputValue).catch(() => null);
+        if (!keyring) {
+          setErrMsg('Invalid seed phrase');
+          return;
+        }
 
+        setStep('LOADING');
         await waitForRun(async () => {
-          const keyring = await HDWalletKeyring.fromMnemonic(inputValue);
-
           setGeneratedKeyring(keyring);
           await loadAccountsByKeyring(keyring);
         }).then(() => {