Updated on 2026-08-14

core/datasource/src/main/java/com/tangem/datasource/di/local/config/ConfigModule.kt

@@ -4,6 +4,8 @@ import com.tangem.datasource.asset.loader.AssetLoader
 import com.tangem.datasource.local.config.environment.DefaultEnvironmentConfigStorage
 import com.tangem.datasource.local.config.environment.EnvironmentConfig
 import com.tangem.datasource.local.config.environment.EnvironmentConfigStorage
+import com.tangem.datasource.local.config.issuers.DefaultIssuersConfigStorage
+import com.tangem.datasource.local.config.issuers.IssuersConfigStorage
 import com.tangem.datasource.local.config.providers.BlockchainProvidersStorage
 import com.tangem.datasource.local.config.providers.DefaultBlockchainProvidersStorage
 import com.tangem.datasource.local.config.testnet.DefaultTestnetTokensStorage
@@ -30,7 +32,7 @@ internal object ConfigModule {
 
     @Provides
     @Singleton
-    fun providesTestnetTokensStorage(assetLoader: AssetLoader): TestnetTokensStorage {
+    fun provideTestnetTokensStorage(assetLoader: AssetLoader): TestnetTokensStorage {
         return DefaultTestnetTokensStorage(assetLoader)
     }
 
@@ -42,4 +44,13 @@ internal object ConfigModule {
             runtimeStateStore = RuntimeStateStore(defaultValue = emptyMap()),
         )
     }
+
+    @Provides
+    @Singleton
+    fun provideIssuersConfigStorage(assetLoader: AssetLoader): IssuersConfigStorage {
+        return DefaultIssuersConfigStorage(
+            assetLoader = assetLoader,
+            runtimeStateStore = RuntimeStateStore(defaultValue = emptyList()),
+        )
+    }
 }

core/datasource/src/main/java/com/tangem/datasource/local/config/issuers/DefaultIssuersConfigStorage.kt

@@ -0,0 +1,27 @@
+package com.tangem.datasource.local.config.issuers
+
+import com.tangem.datasource.asset.loader.AssetLoader
+import com.tangem.datasource.local.config.issuers.models.Issuer
+import com.tangem.datasource.local.datastore.RuntimeStateStore
+
+internal class DefaultIssuersConfigStorage(
+    private val assetLoader: AssetLoader,
+    private val runtimeStateStore: RuntimeStateStore<List<Issuer>>,
+) : IssuersConfigStorage {
+
+    override suspend fun getConfig(): List<Issuer> {
+        val cachedData = runtimeStateStore.get().value
+
+        if (cachedData.isNotEmpty()) return cachedData
+
+        val issuers = assetLoader.loadList<Issuer>(fileName = ISSUERS_FILE_NAME)
+
+        runtimeStateStore.store(value = issuers)
+
+        return issuers
+    }
+
+    private companion object {
+        const val ISSUERS_FILE_NAME = "tangem-app-config/issuers"
+    }
+}

core/datasource/src/main/java/com/tangem/datasource/local/config/issuers/IssuersConfigStorage.kt

@@ -0,0 +1,14 @@
+package com.tangem.datasource.local.config.issuers
+
+import com.tangem.datasource.local.config.issuers.models.Issuer
+
+/**
+ * Storage for list of Twins [Issuer]
+ *
+[REDACTED_AUTHOR]
+ */
+interface IssuersConfigStorage {
+
+    /** Get config */
+    suspend fun getConfig(): List<Issuer>
+}

core/datasource/src/main/java/com/tangem/datasource/local/config/issuers/models/Issuer.kt

@@ -0,0 +1,10 @@
+package com.tangem.datasource.local.config.issuers.models
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+@JsonClass(generateAdapter = true)
+data class Issuer(
+    @Json(name = "privateKey") val privateKey: String,
+    @Json(name = "publicKey") val publicKey: String,
+)