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Updated on 2026-08-14

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Tangem 2024-06-04 15:40:45 +01:00
parent 3041ce00d7
commit c95c3abe5f
6 changed files with 37 additions and 7 deletions
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21
features/swap/domain/src/main/java/com/tangem/feature/swap/domain/SwapInteractorImpl.kt
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@ -2,13 +2,12 @@ package com.tangem.feature.swap.domain
import arrow.core.Either
import arrow.core.getOrElse
import com.tangem.blockchain.common.Amount
import com.tangem.blockchain.common.AmountType
import com.tangem.blockchain.common.Blockchain
import com.tangem.blockchain.common.BlockchainSdkError
import com.tangem.blockchain.blockchains.ethereum.EthereumTransactionExtras
import com.tangem.blockchain.common.*
import com.tangem.blockchain.common.transaction.Fee
import com.tangem.blockchain.common.transaction.TransactionFee
import com.tangem.blockchainsdk.utils.minimalAmount
import com.tangem.common.extensions.hexToBytes
import com.tangem.core.ui.utils.BigDecimalFormatter
import com.tangem.core.ui.utils.parseBigDecimal
import com.tangem.domain.appcurrency.GetSelectedAppCurrencyUseCase
@ -479,6 +478,7 @@ internal class SwapInteractorImpl @Inject constructor(
amount = amount.value.convertToAmount(fromToken),
fee = null,
memo = null,
txExtras = null,
destination = getTokenAddress(fromToken),
userWalletId = userWalletId,
network = fromToken.network,
@ -625,6 +625,7 @@ internal class SwapInteractorImpl @Inject constructor(
val amountDecimal = requireNotNull(toBigDecimalOrNull(amountToSwap)) { "wrong amount format" }
val amount = SwapAmount(amountDecimal, currencyToSend.decimals)
val derivationPath = currencyToSend.network.derivationPath.value
val dataToSign = (swapData.transaction as ExpressTransactionModel.DEX).txData
val txData = createTransactionUseCase(
amount = amount.value.convertToAmount(currencyToSend),
fee = getFeeForTransaction(
@ -635,7 +636,8 @@ internal class SwapInteractorImpl @Inject constructor(
destination = swapData.transaction.txTo,
userWalletId = userWalletId,
network = currencyToSend.network,
hash = (swapData.transaction as ExpressTransactionModel.DEX).txData,
txExtras = createDexTxExtras(fee.gasLimit, dataToSign),
hash = dataToSign,
isSwap = true,
).getOrElse {
Timber.e(it)
@ -678,6 +680,15 @@ internal class SwapInteractorImpl @Inject constructor(
)
}
private fun createDexTxExtras(gasLimit: Int, data: String): TransactionExtras {
// for now we support only Ethereum like DEX
// need to be extended if we support other blockchains in DEX
return EthereumTransactionExtras(
gasLimit = gasLimit.toBigInteger(),
data = data.removePrefix(HEX_PREFIX).hexToBytes(),
)
}
@Suppress("LongMethod")
private suspend fun onSwapCex(
currencyToSend: CryptoCurrencyStatus,