Updated on 2026-08-14

domain/nft/build.gradle.kts

@@ -13,6 +13,8 @@ dependencies {
     implementation(deps.arrow.core)
     implementation(deps.kotlin.coroutines)
 
+    implementation(projects.core.utils)
+
     implementation(projects.domain.core)
     implementation(projects.domain.models)
     implementation(projects.domain.nft.models)

domain/nft/src/main/kotlin/com/tangem/domain/nft/FilterNFTAvailableNetworksUseCase.kt

@@ -0,0 +1,17 @@
+package com.tangem.domain.nft
+
+import com.tangem.domain.tokens.model.Network
+import com.tangem.utils.coroutines.CoroutineDispatcherProvider
+import kotlinx.coroutines.withContext
+
+class FilterNFTAvailableNetworksUseCase(
+    private val dispatchers: CoroutineDispatcherProvider,
+) {
+    suspend operator fun invoke(networks: List<Network>, searchQuery: String): List<Network> =
+        withContext(dispatchers.default) {
+            networks.filter {
+                it.name.contains(searchQuery, ignoreCase = true) ||
+                    it.currencySymbol.contains(searchQuery, ignoreCase = true)
+            }
+        }
+}

domain/nft/src/main/kotlin/com/tangem/domain/nft/GetNFTAvailableNetworksUseCase.kt

@@ -0,0 +1,22 @@
+package com.tangem.domain.nft
+
+import com.tangem.domain.nft.repository.NFTRepository
+import com.tangem.domain.tokens.model.Network
+import com.tangem.domain.tokens.repository.CurrenciesRepository
+import com.tangem.domain.wallets.models.UserWalletId
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+
+class GetNFTAvailableNetworksUseCase(
+    private val currenciesRepository: CurrenciesRepository,
+    private val nftRepository: NFTRepository,
+) {
+    operator fun invoke(userWalletId: UserWalletId): Flow<List<Network>> = currenciesRepository
+        .getWalletCurrenciesUpdates(userWalletId)
+        .map { cryptoCurrencies ->
+            cryptoCurrencies
+                .map { cryptoCurrency -> cryptoCurrency.network }
+                .distinct()
+                .filter { nftRepository.isNFTSupported(it) }
+        }
+}

domain/nft/src/main/kotlin/com/tangem/domain/nft/repository/NFTRepository.kt

@@ -12,4 +12,6 @@ interface NFTRepository {
     suspend fun refreshCollections(userWalletId: UserWalletId, networks: List<Network>)
 
     suspend fun refreshAssets(userWalletId: UserWalletId, network: Network, collectionId: NFTCollection.Identifier)
+
+    suspend fun isNFTSupported(network: Network): Boolean
 }