Updated on 2026-08-14

core/datasource/src/main/java/com/tangem/datasource/di/WalletConnectModule.kt

@@ -0,0 +1,45 @@
+package com.tangem.datasource.di
+
+import android.content.Context
+import androidx.datastore.core.DataStoreFactory
+import androidx.datastore.dataStoreFile
+import com.squareup.moshi.Moshi
+import com.tangem.datasource.local.walletconnect.DefaultWalletConnectStore
+import com.tangem.datasource.local.walletconnect.WalletConnectStore
+import com.tangem.datasource.utils.MoshiDataStoreSerializer
+import com.tangem.datasource.utils.setTypes
+import com.tangem.domain.walletconnect.model.WcSessionDTO
+import com.tangem.utils.coroutines.CoroutineDispatcherProvider
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.SupervisorJob
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object WalletConnectModule {
+
+    @Provides
+    @Singleton
+    fun provideWalletConnectStore(
+        @NetworkMoshi moshi: Moshi,
+        @ApplicationContext context: Context,
+        dispatchers: CoroutineDispatcherProvider,
+    ): WalletConnectStore {
+        return DefaultWalletConnectStore(
+            persistenceStore = DataStoreFactory.create(
+                serializer = MoshiDataStoreSerializer(
+                    moshi = moshi,
+                    types = setTypes<WcSessionDTO>(),
+                    defaultValue = emptySet(),
+                ),
+                produceFile = { context.dataStoreFile(fileName = "wallet_connect_sessions") },
+                scope = CoroutineScope(context = dispatchers.io + SupervisorJob()),
+            ),
+        )
+    }
+}

core/datasource/src/main/java/com/tangem/datasource/local/walletconnect/DefaultWalletConnectStore.kt

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+package com.tangem.datasource.local.walletconnect
+
+import androidx.datastore.core.DataStore
+import com.tangem.domain.walletconnect.model.WcSessionDTO
+import kotlinx.coroutines.flow.Flow
+
+internal typealias WcSessionCollection = Set<WcSessionDTO>
+
+class DefaultWalletConnectStore(
+    private val persistenceStore: DataStore<WcSessionCollection>,
+) : WalletConnectStore {
+
+    override val sessions: Flow<WcSessionCollection>
+        get() = persistenceStore.data
+
+    override suspend fun saveSessions(sessions: WcSessionCollection) {
+        persistenceStore.updateData { data -> data.plus(sessions) }
+    }
+
+    override suspend fun removeSessions(sessions: WcSessionCollection) {
+        persistenceStore.updateData { data -> data.minus(sessions) }
+    }
+}

core/datasource/src/main/java/com/tangem/datasource/local/walletconnect/WalletConnectStore.kt

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+package com.tangem.datasource.local.walletconnect
+
+import com.tangem.domain.walletconnect.model.WcSessionDTO
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.first
+
+interface WalletConnectStore {
+
+    val sessions: Flow<WcSessionCollection>
+    suspend fun findSessionByTopic(topic: String) = sessions.first().find { it.topic == topic }
+
+    suspend fun saveSessions(sessions: WcSessionCollection)
+    suspend fun saveSession(session: WcSessionDTO) = saveSessions(setOf(session))
+
+    suspend fun removeSessions(sessions: WcSessionCollection)
+    suspend fun removeSession(session: WcSessionDTO) = removeSessions(setOf(session))
+}