Updated on 2026-08-14

app/src/main/java/com/tangem/tap/data/DefaultVisaOTPStorage.kt

@@ -0,0 +1,42 @@
+package com.tangem.tap.data
+
+import android.content.Context
+import com.tangem.common.services.secure.SecureStorage
+import com.tangem.datasource.local.visa.VisaOTPStorage
+import com.tangem.sdk.storage.AndroidSecureStorage
+import com.tangem.sdk.storage.createEncryptedSharedPreferences
+import com.tangem.utils.coroutines.CoroutineDispatcherProvider
+import dagger.hilt.android.qualifiers.ApplicationContext
+import kotlinx.coroutines.withContext
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class DefaultVisaOTPStorage @Inject constructor(
+    @ApplicationContext applicationContext: Context,
+    private val dispatcherProvider: CoroutineDispatcherProvider,
+) : VisaOTPStorage {
+
+    private val secureStorage = AndroidSecureStorage(
+        preferences = SecureStorage.createEncryptedSharedPreferences(
+            context = applicationContext,
+            storageName = "visa_otp_storage",
+        ),
+    )
+
+    override suspend fun saveOTP(cardId: String, otp: ByteArray) = withContext(dispatcherProvider.io) {
+        secureStorage.store(otp, VISA_OTP_KEY_PREFIX + cardId)
+    }
+
+    override suspend fun getOTP(cardId: String): ByteArray? = withContext(dispatcherProvider.io) {
+        secureStorage.get(VISA_OTP_KEY_PREFIX + cardId)
+    }
+
+    override suspend fun removeOTP(cardId: String) = withContext(dispatcherProvider.io) {
+        secureStorage.delete(VISA_OTP_KEY_PREFIX + cardId)
+    }
+
+    private companion object {
+        const val VISA_OTP_KEY_PREFIX = "visa_otp_"
+    }
+}