Updated on 2026-08-14

domain/swap/models/src/main/java/com/tangem/domain/swap/models/SwapStatusModel.kt

@@ -0,0 +1,62 @@
+package com.tangem.domain.swap.models
+
+import com.tangem.datasource.api.tangemTech.models.UserTokensResponse
+import com.tangem.domain.models.currency.CryptoCurrency
+import org.joda.time.DateTime
+
+/**
+ * Swapped status model
+ */
+data class SwapStatusModel(
+    val providerId: String,
+    val status: SwapStatus? = null,
+    val txId: String? = null,
+    val txExternalUrl: String? = null,
+    val txExternalId: String? = null,
+    val refundNetwork: String? = null,
+    val refundContractAddress: String? = null,
+    val refundTokensResponse: UserTokensResponse.Token? = null,
+    val refundCurrency: CryptoCurrency? = null,
+    val createdAt: DateTime? = null,
+    val averageDuration: Int? = null,
+) {
+    val hasLongTime: Boolean
+        get() = if (createdAt != null && averageDuration != null) {
+            DateTime.now().minusSeconds(averageDuration * 5) > createdAt
+        } else {
+            false
+        }
+}
+
+enum class SwapStatus {
+    New,
+    Waiting,
+    WaitingTxHash,
+    Confirming,
+    Verifying,
+    Exchanging,
+    Failed,
+    Sending,
+    Finished,
+    Refunded,
+    Cancelled,
+    TxFailed,
+    Unknown,
+    Paused,
+    ;
+
+    val isTerminal: Boolean
+        get() = this == Refunded ||
+            this == Finished ||
+            this == Cancelled ||
+            this == TxFailed ||
+            this == Paused ||
+            this == Unknown
+
+    val isAutoDisposable: Boolean
+        get() = this == Finished
+
+    companion object {
+        fun SwapStatus?.isFailed(): Boolean = this == Failed || this == TxFailed
+    }
+}

domain/swap/models/src/main/java/com/tangem/domain/swap/models/SwapTransactionListModel.kt

@@ -0,0 +1,29 @@
+package com.tangem.domain.swap.models
+
+import com.tangem.domain.express.models.ExpressProvider
+import com.tangem.domain.models.currency.CryptoCurrency
+import java.math.BigDecimal
+
+/**
+ * List of saved swap transactions
+ */
+data class SwapTransactionListModel(
+    val userWalletId: String,
+    val fromCryptoCurrencyId: String,
+    val toCryptoCurrencyId: String,
+    val fromCryptoCurrency: CryptoCurrency,
+    val toCryptoCurrency: CryptoCurrency,
+    val transactions: List<SwapTransactionModel>,
+)
+
+/**
+ * Saved swap transactions
+ */
+data class SwapTransactionModel(
+    val txId: String,
+    val timestamp: Long,
+    val fromCryptoAmount: BigDecimal,
+    val toCryptoAmount: BigDecimal,
+    val provider: ExpressProvider,
+    val status: SwapStatusModel? = null,
+)

domain/swap/src/main/java/com/tangem/domain/swap/SwapTransactionRepository.kt

@@ -0,0 +1,80 @@
+package com.tangem.domain.swap
+
+import com.tangem.domain.models.currency.CryptoCurrency
+import com.tangem.domain.swap.models.SwapStatusModel
+import com.tangem.domain.swap.models.SwapTransactionListModel
+import com.tangem.domain.swap.models.SwapTransactionModel
+import com.tangem.domain.wallets.models.UserWallet
+import com.tangem.domain.wallets.models.UserWalletId
+import kotlinx.coroutines.flow.Flow
+
+/**
+ * Swap repository for statuses
+ */
+interface SwapTransactionRepository {
+
+    /**
+     * Store new swap transaction
+     *
+     * @param userWalletId selected user wallet id
+     * @param fromCryptoCurrency currency swap from
+     * @param toCryptoCurrency currency swap to
+     * @param transaction swap transaction
+     */
+    suspend fun storeTransaction(
+        userWalletId: UserWalletId,
+        fromCryptoCurrency: CryptoCurrency,
+        toCryptoCurrency: CryptoCurrency,
+        transaction: SwapTransactionModel,
+    )
+
+    /**
+     * Get list of swap transactions
+     *
+     * @param userWallet selected user wallet
+     * @param cryptoCurrencyId transactions for specific crypto currency
+     */
+    suspend fun getTransactions(
+        userWallet: UserWallet,
+        cryptoCurrencyId: CryptoCurrency.ID,
+    ): Flow<List<SwapTransactionListModel>?>
+
+    /**
+     * Remove stores swap transaction
+     *
+     * @param userWalletId selected user wallet id
+     * @param fromCryptoCurrency currency swap from
+     * @param toCryptoCurrency currency swap to
+     * @param txId transaction id to remove
+     */
+    suspend fun removeTransaction(
+        userWalletId: UserWalletId,
+        fromCryptoCurrency: CryptoCurrency,
+        toCryptoCurrency: CryptoCurrency,
+        txId: String,
+    )
+
+    /**
+     * Update swap transaction
+     *
+     * @param txId transaction id to update
+     * @param status new transaction status
+     * @param refundTokenCurrency refund token
+     */
+    suspend fun storeTransactionState(txId: String, status: SwapStatusModel, refundTokenCurrency: CryptoCurrency?)
+
+    /**
+     * Save last swapped crypto currency token
+     *
+     * @param userWalletId selected user wallet id
+     * @param cryptoCurrencyId last swapped currency id
+     */
+    suspend fun storeLastSwappedCryptoCurrencyId(userWalletId: UserWalletId, cryptoCurrencyId: CryptoCurrency.ID)
+
+    /**
+     * Get last swapped crypto currency token
+     *
+     * @param userWalletId selected user wallet id
+     */
+    suspend fun getLastSwappedCryptoCurrencyId(userWalletId: UserWalletId): String?
+}