Same seed sweep

assets/translations/de.json

@@ -39,6 +39,7 @@
     "doneSafety": "Fast fertig... Sicherheitsüberprüfung",
     "noProofsRestored": "Keine Beweise gefunden, um deine Wallet wiederherzustellen.",
     "restoreErr": "Ein Fehler ist aufgetreten bei der Wiederherstellung Ihrer Wallet.",
+    "restoreSameSeed": "Diese Wiederherstellungsphrase wird bereits von dieser Wallet verwendet.",
     "dontClose": "Bitte schließen Sie die App während des Vorgangs nicht.",
     "recoveryHint": "Schreiben oder fügen Sie Ihren 12-Wort-Mnemonic in der richtigen Reihenfolge ein, getrennt durch Leerzeichen.",
     "walletRecovery": "Wallet-Wiederherstellung",

assets/translations/en.json

@@ -39,6 +39,7 @@
     "doneSafety": "Almost done... Safety check",
     "noProofsRestored": "Found no proofs to restore your wallet.",
     "restoreErr": "Something went wrong while restoring your wallet.",
+    "restoreSameSeed": "This recovery phrase is already in use on this wallet.",
     "dontClose": "Please do not close the app during the process.",
     "recoveryHint": "Write or paste your 12-word mnemonic in the right order, separated by blank spaces.",
     "walletRecovery": "Wallet Recovery",

assets/translations/es.json

@@ -38,6 +38,7 @@
     "counterIncreased": "¡Contadores incrementados en {{counterIncreased}}!",
     "doneSafety": "Casi terminado... Verificación de seguridad",
     "restoreErr": "Ocurrió un error al restaurar tu cartera.",
+    "restoreSameSeed": "Esta frase de recuperación ya está en uso en esta cartera.",
     "noProofsRestored": "No se encontraron pruebas para restaurar la cartera.",
     "dontClose": "Por favor, no cierre la aplicación durante el proceso.",
     "recoveryHint": "Escribe o pega tu mnemotecnia de 12 palabras en el orden correcto, separadas por espacios en blanco.",

assets/translations/it.json

@@ -39,6 +39,7 @@
     "doneSafety": "Processo quasi terminato... controllo di sicurezza",
     "noProofsRestored": "Non ci sono prove utili per ripristinare il portafoglio.",
     "restoreErr": "Qualcosa è andato storto durante il processo di ripristino del portafoglio.",
+    "restoreSameSeed": "Questa frase di recupero è già in uso in questo portafoglio.",
     "dontClose": "Non chiudere l'applicazione durante il processo.",
     "recoveryHint": "Scrivere o incollare la mnemonica di 12 parole, separate da uno spazio bianco.",
     "walletRecovery": "Ripristino del portafoglio",

assets/translations/ru.json

@@ -39,6 +39,7 @@
     "doneSafety": "Почти готово... Проверка безопасности",
     "noProofsRestored": "Не найдено доказательств для восстановления вашего кошелька.",
     "restoreErr": "Что-то пошло не так при восстановлении вашего кошелька.",
+    "restoreSameSeed": "Эта фраза восстановления уже используется в этом кошельке.",
     "dontClose": "Пожалуйста, не закрывайте приложение во время процесса.",
     "recoveryHint": "Напишите или вставьте мнемонику из 12 слов в правильном порядке, разделив их пробелами.",
     "walletRecovery": "Восстановление кошелька",

assets/translations/th.json

@@ -39,6 +39,7 @@
     "doneSafety": "เกือบเสร็จละ... การตรวจสอบความปลอดภัย",
     "noProofsRestored": "ไม่พบ proof เพื่อทำการกู้คืนกระเป๋าของคุณ",
     "restoreErr": "เกิดข้อผิดพลาดบางอย่างขณะกู้คืนกระเป๋าของคุณ",
+    "restoreSameSeed": "วลีกู้คืนนี้ถูกใช้งานอยู่ในกระเป๋านี้แล้ว",
     "dontClose": "กรุณาอย่าปิดแอปในระหว่างกระบวนการ",
     "recoveryHint": "เขียนหรือวาง 12 คำตามลำดับที่ถูกต้อง โดยคั่นด้วยช่องว่าง",
     "walletRecovery": "การกู้คืนกระเป๋า",

src/i18n.ts

@@ -1,6 +1,7 @@
 import de from "@assets/translations/de.json";
 import en from "@assets/translations/en.json";
 import es from "@assets/translations/es.json";
+import de from "@assets/translations/de.json";
 import it from "@assets/translations/it.json";
 import ru from "@assets/translations/ru.json";
 import th from "@assets/translations/th.json";

src/screens/Restore/Recover.tsx

@@ -8,6 +8,7 @@ import type { RecoverScreenProps } from "@src/nav/navTypes";
 import { NS } from "@src/i18n";
 import { useKnownMints } from "@src/context/KnownMints";
 import { seedService } from "@src/services/SeedService";
+import { usePromptContext } from "@src/context/Prompt";
 import { getStrFromClipboard } from "@util";
 import { createRef, useEffect, useState } from "react";
 import { useTranslation } from "react-i18next";
@@ -20,6 +21,7 @@ export default function RecoverScreen({ navigation }: RecoverScreenProps) {
   const { loading } = useLoading();
   const inputRef = createRef<TextInput>();
   const { knownMints } = useKnownMints();
+  const { openPromptAutoClose } = usePromptContext();
 
   const handlePaste = async () => {
     const clipboard = await getStrFromClipboard();
@@ -33,7 +35,17 @@ export default function RecoverScreen({ navigation }: RecoverScreenProps) {
     if (loading || !input.length) {
       return;
     }
-    const seed = seedService.convertMnemonicToSeed(input);
+    if (await seedService.isSameMnemonic(input)) {
+      openPromptAutoClose({
+        msg: t("restoreSameSeed", {
+          defaultValue: "This recovery phrase is already in use on this wallet.",
+        }),
+        success: false,
+      });
+      return;
+    }
+
+    const seed = seedService.convertMnemonicToSeed(seedService.normalizeMnemonic(input));
 
     navigation.navigate("Recovering", {
       bip39seed: seed,

src/services/SeedService.ts

@@ -6,6 +6,12 @@ import { privateKeyFromSeedWords } from "nostr-tools/nip06";
 
 class SeedService {
   private _seed: Uint8Array | null = null;
+
+  static async getMnemonicFingerprint(mnemonic: string) {
+    const normalizedMnemonic = mnemonic.toLowerCase().trim();
+    return Crypto.digestStringAsync(Crypto.CryptoDigestAlgorithm.MD5, normalizedMnemonic);
+  }
+
   async createNewMnemonic(): Promise<{
     mnemonic: string;
     fingerprint: string;
@@ -14,7 +20,7 @@ class SeedService {
     SecureStore.setItem("mnemonic", mnemonic);
     const seed = bip39.mnemonicToSeedSync(mnemonic);
     this._seed = seed;
-    const fingerprint = await Crypto.digestStringAsync(Crypto.CryptoDigestAlgorithm.MD5, mnemonic);
+    const fingerprint = await SeedService.getMnemonicFingerprint(mnemonic);
     return { mnemonic, fingerprint };
   }
 
@@ -39,9 +45,9 @@ class SeedService {
     if (!mnemonic) {
       return null;
     }
-    const fingerprint = await Crypto.digestStringAsync(Crypto.CryptoDigestAlgorithm.MD5, mnemonic);
-    return fingerprint;
+    return SeedService.getMnemonicFingerprint(mnemonic);
   }
+
   async ensureMnemonicSet() {
     const savedMnemonic = this.getMnemonic();
     if (!savedMnemonic) {
@@ -62,8 +68,32 @@ class SeedService {
     return seed;
   }
 
+  async isSameSeed(seed: Uint8Array) {
+    try {
+      const currentSeed = this.getSeed();
+      if (currentSeed.length !== seed.length) {
+        return false;
+      }
+      return currentSeed.every((byte, index) => byte === seed[index]);
+    } catch {
+      return false;
+    }
+  }
+
+  async isSameMnemonic(mnemonic: string) {
+    const currentMnemonic = this.getMnemonic();
+    if (!currentMnemonic) {
+      return false;
+    }
+    const [currentFingerprint, inputFingerprint] = await Promise.all([
+      SeedService.getMnemonicFingerprint(currentMnemonic),
+      SeedService.getMnemonicFingerprint(mnemonic),
+    ]);
+    return currentFingerprint === inputFingerprint;
+  }
+
   async getNostrSk() {
-    const mnemonic = await this.getMnemonic();
+    const mnemonic = this.getMnemonic();
     if (!mnemonic) {
       throw new Error("No mnemonic found");
     }