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Updated on 2026-08-14

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Tangem 2026-02-12 15:47:36 +04:00
parent 1443cbb961
commit 8a31a90b02
6 changed files with 362 additions and 29 deletions
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49
app/src/main/java/com/tangem/tap/domain/tasks/product/DerivationsFinder.kt
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@ -5,12 +5,12 @@ import com.tangem.blockchain.common.Blockchain
import com.tangem.blockchain.common.derivation.DerivationStyle
import com.tangem.blockchainsdk.utils.fromNetworkId
import com.tangem.crypto.hdWallet.DerivationPath
import com.tangem.datasource.local.token.UserTokensResponseStore
import com.tangem.domain.wallets.derivations.DerivationStyleProvider
import com.tangem.data.common.account.WalletAccountsFetcher
import com.tangem.domain.card.common.TapWorkarounds.hasOldStyleDerivation
import com.tangem.domain.models.scan.CardDTO
import com.tangem.domain.models.wallet.UserWalletId
import com.tangem.domain.wallets.builder.UserWalletIdBuilder
import com.tangem.domain.wallets.derivations.DerivationStyleProvider
import com.tangem.tap.features.demo.DemoHelper
import com.tangem.utils.coroutines.CoroutineDispatcherProvider
import kotlinx.coroutines.withContext
@ -22,7 +22,7 @@ internal data class BlockchainToDerive(
// FIXME: May be move to DI, currently unnecessary
internal class DerivationsFinder(
private val userTokensResponseStore: UserTokensResponseStore,
private val walletAccountsFetcher: WalletAccountsFetcher,
private val dispatchers: CoroutineDispatcherProvider,
) {
@ -54,19 +54,19 @@ internal class DerivationsFinder(
}
// pay attention to this
if (!card.hasOldStyleDerivation) {
blockchains.removeUnnecessaryBlockchains()
return if (!card.hasOldStyleDerivation) {
blockchains.removeUnnecessaryBlockchains(derivationStyle)
} else {
blockchains
}
return blockchains
}
private suspend fun getBlockchains(userWalletId: UserWalletId): MutableSet<BlockchainToDerive> {
val responseTokens = userTokensResponseStore.getSyncOrNull(userWalletId = userWalletId)?.tokens
?: return hashSetOf()
return responseTokens.asSequence()
.filter { it.contractAddress == null }
return walletAccountsFetcher.getSaved(userWalletId)?.accounts.orEmpty()
.flatMap { accountDTO ->
accountDTO.tokens.orEmpty()
.filter { it.contractAddress == null }
}
.mapNotNull { coin ->
val blockchain = Blockchain.fromNetworkId(coin.networkId) ?: return@mapNotNull null
val derivationPath = coin.derivationPath?.let(::DerivationPath)
@ -90,22 +90,29 @@ internal class DerivationsFinder(
}
private fun MutableSet<BlockchainToDerive>.addEthereumBlockchains(derivationStyle: DerivationStyle?) {
val ethereumBlockchains = setOf(Blockchain.Ethereum, Blockchain.EthereumTestnet)
val ethereumBlockchains = setOf(Blockchain.Ethereum)
.mapToBlockchainsWithDerivations(derivationStyle)
addAll(ethereumBlockchains)
}
private fun MutableSet<BlockchainToDerive>.removeUnnecessaryBlockchains() {
val unnecessaryBlockchains = listOf(
Blockchain.BSC, Blockchain.BSCTestnet,
Blockchain.Polygon, Blockchain.PolygonTestnet,
Blockchain.RSK,
Blockchain.Fantom, Blockchain.FantomTestnet,
Blockchain.Avalanche, Blockchain.AvalancheTestnet,
private fun Set<BlockchainToDerive>.removeUnnecessaryBlockchains(
derivationStyle: DerivationStyle?,
): Set<BlockchainToDerive> {
val defaultEthereum = BlockchainToDerive(
blockchain = Blockchain.Ethereum,
derivationPath = Blockchain.Ethereum.derivationPath(derivationStyle),
)
removeAll { it.blockchain in unnecessaryBlockchains }
val addedEthereum = this.firstOrNull { it == defaultEthereum }
return if (addedEthereum != null) {
filterNot { it.derivationPath == defaultEthereum.derivationPath && it.blockchain != Blockchain.Ethereum }
} else {
// Impossible case because Ethereum was added at the last stage
distinctBy(BlockchainToDerive::derivationPath)
}
.toSet()
}
private fun MutableSet<BlockchainToDerive>.addSecondCardanoDerivationIfPresent() {