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Updated on 2026-08-14

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Tangem 2025-12-16 15:12:42 +03:00
parent 0ccfceba04
commit 35e0cccc90
12 changed files with 110 additions and 5 deletions
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65
data/onramp/src/main/java/com/tangem/data/onramp/DefaultOnrampTransactionRepository.kt
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@ -1,6 +1,7 @@
package com.tangem.data.onramp
import com.tangem.data.onramp.converters.TransactionConverter
import com.tangem.data.onramp.models.OnrampTerminalTransactionDTO
import com.tangem.data.onramp.models.OnrampTransactionDTO
import com.tangem.datasource.local.preferences.AppPreferencesStore
import com.tangem.datasource.local.preferences.PreferencesKeys
@ -15,7 +16,9 @@ import com.tangem.utils.coroutines.CoroutineDispatcherProvider
import com.tangem.utils.extensions.addOrReplace
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.map
import kotlinx.coroutines.flow.onStart
import kotlinx.coroutines.withContext
import java.util.concurrent.TimeUnit
internal class DefaultOnrampTransactionRepository(
private val appPreferencesStore: AppPreferencesStore,
@ -47,6 +50,7 @@ internal class DefaultOnrampTransactionRepository(
override fun getAllTransactions(): Flow<List<OnrampTransaction>> {
return appPreferencesStore
.getObjectSet<OnrampTransactionDTO>(PreferencesKeys.ONRAMP_TRANSACTIONS_STATUSES_KEY)
.onStart { cleanupExpiredTerminalTransactions() }
.map { transactions -> transactions.map(transactionConverter::convert) }
}
@ -63,6 +67,7 @@ internal class DefaultOnrampTransactionRepository(
cryptoCurrencyId: CryptoCurrency.ID,
): Flow<List<OnrampTransaction>> = appPreferencesStore
.getObjectSet<OnrampTransactionDTO>(PreferencesKeys.ONRAMP_TRANSACTIONS_STATUSES_KEY)
.onStart { cleanupExpiredTerminalTransactions() }
.map { transactions ->
transactions.filter {
it.userWalletId == userWalletId && it.toCurrencyId == cryptoCurrencyId.value
@ -101,4 +106,64 @@ internal class DefaultOnrampTransactionRepository(
}
}
}
override suspend fun isHandledTransaction(txId: String): Boolean = withContext(dispatchers.io) {
val terminated = appPreferencesStore.getObjectSetSync<OnrampTerminalTransactionDTO>(
PreferencesKeys.ONRAMP_HANDLED_TRANSACTIONS_KEY,
)
terminated.any { it.txId == txId }
}
override suspend fun storeHandledTransaction(txId: String) {
withContext(dispatchers.io) {
appPreferencesStore.editData { mutablePreferences ->
runCatching {
val archived = mutablePreferences.getObjectSet<OnrampTerminalTransactionDTO>(
PreferencesKeys.ONRAMP_HANDLED_TRANSACTIONS_KEY,
).orEmpty().toMutableSet()
val record = OnrampTerminalTransactionDTO(
txId = txId,
terminatedAt = System.currentTimeMillis(),
)
archived.add(record)
mutablePreferences.setObjectSet(
key = PreferencesKeys.ONRAMP_HANDLED_TRANSACTIONS_KEY,
value = archived,
)
}
}
}
}
private suspend fun cleanupExpiredTerminalTransactions() {
withContext(dispatchers.io) {
appPreferencesStore.editData { mutablePreferences ->
runCatching {
val archived = mutablePreferences.getObjectSet<OnrampTerminalTransactionDTO>(
PreferencesKeys.ONRAMP_HANDLED_TRANSACTIONS_KEY,
)?.toMutableSet() ?: return@editData
val oneWeekAgo = System.currentTimeMillis() -
TimeUnit.DAYS.toMillis(HANDLED_TRANSACTIONS_RETENTION_DAYS)
val cleaned = archived
.filterTo(mutableSetOf()) { it.terminatedAt > oneWeekAgo }
if (cleaned.size != archived.size) {
mutablePreferences.setObjectSet(
key = PreferencesKeys.ONRAMP_HANDLED_TRANSACTIONS_KEY,
value = cleaned,
)
}
}
}
}
}
private companion object {
const val HANDLED_TRANSACTIONS_RETENTION_DAYS = 7L
}
}

18
data/onramp/src/main/java/com/tangem/data/onramp/models/OnrampTerminalTransactionDTO.kt Normal file
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@ -0,0 +1,18 @@
package com.tangem.data.onramp.models
import com.squareup.moshi.Json
import com.squareup.moshi.JsonClass
/**
* Model for terminal onramp transaction
*
* @property txId Transaction ID
* @property terminatedAt Termination timestamp in milliseconds
*/
@JsonClass(generateAdapter = true)
data class OnrampTerminalTransactionDTO(
@Json(name = "txId")
val txId: String,
@Json(name = "terminatedAt")
val terminatedAt: Long,
)