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Updated on 2026-08-14

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Tangem 2026-01-08 14:47:09 +03:00
parent 98e7136b42
commit 61b848204f
5 changed files with 326 additions and 87 deletions
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20
data/transaction/src/main/java/com/tangem/data/transaction/DefaultGaslessTransactionRepository.kt
View file

@ -2,7 +2,6 @@ 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.common.currency.ResponseCryptoCurrenciesFactory
import com.tangem.data.transaction.convertes.GaslessSignedTransactionResultConverter
import com.tangem.data.transaction.convertes.GaslessTransactionRequestBuilder
@ -27,11 +26,12 @@ class DefaultGaslessTransactionRepository(
) : GaslessTransactionRepository {
private val supportedTokensState = MutableStateFlow<Map<Network.ID, Set<CryptoCurrency>>>(hashMapOf())
private val gaslessTransactionRequestBuilder = GaslessTransactionRequestBuilder()
private val signedTransactionResultConverter = GaslessSignedTransactionResultConverter()
override fun isNetworkSupported(network: Network): Boolean {
val blockchain = Blockchain.fromNetworkId(network.backendId) ?: return false
val blockchain = Blockchain.fromId(network.rawId)
return SUPPORTED_BLOCKCHAINS.contains(blockchain)
}
@ -44,8 +44,7 @@ class DefaultGaslessTransactionRepository(
val supportedTokensData = gaslessTxServiceApi.getSupportedTokens().getOrThrow()
if (supportedTokensData.isSuccess) {
val networkBlockchain = Blockchain.fromNetworkId(network.backendId)
?: error("Cannot determine blockchain for network id: ${network.backendId}")
val networkBlockchain = Blockchain.fromId(network.rawId)
val supportedTokens = supportedTokensData.result.tokens
.filter {
it.chainId == networkBlockchain.getChainId()
@ -79,16 +78,14 @@ class DefaultGaslessTransactionRepository(
return TOKEN_RECEIVER_ADDRESS
}
override suspend fun sendGaslessTransaction(
override suspend fun signGaslessTransaction(
gaslessTransactionData: GaslessTransactionData,
signature: String,
userAddress: String,
network: Network,
eip7702Auth: Eip7702Authorization?,
): GaslessSignedTransactionResult = withContext(coroutineDispatcherProvider.io) {
val blockchain = Blockchain.fromNetworkId(network.backendId)
?: error("Cannot determine blockchain for network id: ${network.backendId}")
val blockchain = Blockchain.fromId(network.rawId)
val transactionRequest = gaslessTransactionRequestBuilder.build(
gaslessTransaction = gaslessTransactionData,
signature = signature,
@ -111,9 +108,14 @@ class DefaultGaslessTransactionRepository(
return BASE_GAS_FOR_TRANSACTION
}
override fun getChainIdForNetwork(network: Network): Int {
val networkBlockchain = Blockchain.fromId(network.rawId)
return networkBlockchain.getChainId() ?: error("ChainId not found for blockchain ${networkBlockchain.name}")
}
private companion object {
const val TOKEN_RECEIVER_ADDRESS = "0x"
const val TOKEN_RECEIVER_ADDRESS = "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
val BASE_GAS_FOR_TRANSACTION: BigInteger = BigInteger("100000")
val SUPPORTED_BLOCKCHAINS = arrayOf(

10
data/transaction/src/main/java/com/tangem/data/transaction/MockedGaslessTransactionRepository.kt
View file

@ -2,7 +2,6 @@ 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.common.currency.ResponseCryptoCurrenciesFactory
import com.tangem.domain.models.currency.CryptoCurrency
import com.tangem.domain.models.network.Network
@ -17,7 +16,7 @@ class MockedGaslessTransactionRepository(
) : GaslessTransactionRepository {
override fun isNetworkSupported(network: Network): Boolean {
val blockchain = Blockchain.fromNetworkId(network.backendId) ?: return false
val blockchain = Blockchain.fromId(network.rawId)
return SUPPORTED_BLOCKCHAINS.contains(blockchain)
}
@ -35,11 +34,16 @@ class MockedGaslessTransactionRepository(
return setOf(usdcPolygon)
}
override fun getChainIdForNetwork(network: Network): Int {
val networkBlockchain = Blockchain.fromId(network.rawId)
return networkBlockchain.getChainId() ?: error("ChainId not found for blockchain ${networkBlockchain.name}")
}
override fun getTokenFeeReceiverAddress(): String {
return TOKEN_RECEIVER_ADDRESS
}
override suspend fun sendGaslessTransaction(
override suspend fun signGaslessTransaction(
gaslessTransactionData: GaslessTransactionData,
signature: String,
userAddress: String,