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Updated on 2026-08-14

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Tangem 2026-01-05 17:52:37 +03:00
parent d68ad52a45
commit 13b1bbc486
10 changed files with 154 additions and 23 deletions
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3
data/transaction/build.gradle.kts
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@ -24,6 +24,9 @@ dependencies {
implementation(projects.core.datasource)
implementation(projects.core.utils)
/** Common */
implementation(projects.data.common)
/** Domain */
implementation(projects.libs.blockchainSdk)
implementation(projects.domain.legacy)

24
data/transaction/src/main/java/com/tangem/data/transaction/DefaultGaslessTransactionRepository.kt
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@ -1,8 +1,9 @@
package com.tangem.data.transaction
import com.tangem.blockchain.common.Blockchain
import com.tangem.blockchain.common.Token
import com.tangem.blockchainsdk.utils.fromNetworkId
import com.tangem.data.transaction.converters.GaslessTokenDtoToCryptoCurrencyConverter
import com.tangem.data.common.currency.ResponseCryptoCurrenciesFactory
import com.tangem.datasource.api.common.response.getOrThrow
import com.tangem.datasource.api.gasless.GaslessTxServiceApi
import com.tangem.domain.models.currency.CryptoCurrency
@ -17,9 +18,9 @@ import java.math.BigInteger
class DefaultGaslessTransactionRepository(
private val gaslessTxServiceApi: GaslessTxServiceApi,
private val coroutineDispatcherProvider: CoroutineDispatcherProvider,
private val responseCryptoCurrenciesFactory: ResponseCryptoCurrenciesFactory,
) : GaslessTransactionRepository {
private val gaslessTokenDtoToCryptoCurrency = GaslessTokenDtoToCryptoCurrencyConverter()
private val supportedTokensState = MutableStateFlow<Set<CryptoCurrency>?>(null)
override fun isNetworkSupported(network: Network): Boolean {
@ -27,16 +28,27 @@ class DefaultGaslessTransactionRepository(
return SUPPORTED_BLOCKCHAINS.contains(blockchain)
}
override suspend fun getSupportedTokens(): Set<CryptoCurrency> {
override suspend fun getSupportedTokens(network: Network): Set<CryptoCurrency> {
return withContext(coroutineDispatcherProvider.io) {
val storedTokens = supportedTokensState.value
if (storedTokens != null) {
if (storedTokens != null && storedTokens.isNotEmpty()) {
return@withContext storedTokens
}
val supportedTokensData = gaslessTxServiceApi.getSupportedTokens().getOrThrow()
if (supportedTokensData.isSuccess) {
val supportedTokens = supportedTokensData.result.tokens.map {
gaslessTokenDtoToCryptoCurrency.convert(it)
val supportedTokens = supportedTokensData.result.tokens.mapNotNull { token ->
val blockchain = Blockchain.fromChainId(token.chainId) ?: return@mapNotNull null
responseCryptoCurrenciesFactory.createToken(
blockchain = blockchain,
sdkToken = Token(
contractAddress = token.tokenAddress,
name = token.tokenName,
symbol = token.tokenSymbol,
decimals = token.decimals,
),
network = network,
)
}.toSet()
// update local cache
supportedTokensState.update { supportedTokens }

12
data/transaction/src/main/java/com/tangem/data/transaction/converters/GaslessTokenDtoToCryptoCurrencyConverter.kt
View file

@ -1,12 +0,0 @@
package com.tangem.data.transaction.converters
import com.tangem.datasource.api.gasless.models.GaslessTokenDTO
import com.tangem.domain.models.currency.CryptoCurrency
import com.tangem.utils.converter.Converter
internal class GaslessTokenDtoToCryptoCurrencyConverter : Converter<GaslessTokenDTO, CryptoCurrency> {
override fun convert(value: GaslessTokenDTO): CryptoCurrency {
TODO("implement conversion logic here")
}
}