tangem-app-android-audited/app/src/main/java/com/tangem/tap/domain/TapWalletManager.kt
2020-12-09 15:24:50 +03:00

232 lines
No EOL
10 KiB
Kotlin

package com.tangem.tap.domain
import com.tangem.blockchain.common.Blockchain
import com.tangem.blockchain.common.Token
import com.tangem.blockchain.common.Wallet
import com.tangem.blockchain.common.WalletManager
import com.tangem.commands.common.card.CardStatus
import com.tangem.commands.common.card.masks.Product
import com.tangem.commands.common.network.Result
import com.tangem.common.extensions.toHexString
import com.tangem.tap.common.analytics.AnalyticsEvent
import com.tangem.tap.common.analytics.FirebaseAnalyticsHandler
import com.tangem.tap.common.redux.global.CryptoCurrencyName
import com.tangem.tap.common.redux.global.FiatCurrencyName
import com.tangem.tap.common.redux.global.GlobalAction
import com.tangem.tap.domain.config.ConfigManager
import com.tangem.tap.domain.extensions.amountToCreateAccount
import com.tangem.tap.domain.extensions.isNoAccountError
import com.tangem.tap.domain.tasks.ScanNoteResponse
import com.tangem.tap.domain.twins.TwinsHelper
import com.tangem.tap.features.wallet.redux.WalletAction
import com.tangem.tap.network.NetworkConnectivity
import com.tangem.tap.network.coinmarketcap.CoinMarketCapService
import com.tangem.tap.store
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import java.math.BigDecimal
class TapWalletManager {
private val payIdManager = PayIdManager()
private val coinMarketCapService = CoinMarketCapService()
suspend fun loadWalletData() {
val walletManager = store.state.globalState.scanNoteResponse?.walletManager
if (walletManager == null) {
store.dispatch(WalletAction.LoadWallet.Failure())
return
}
loadWallet(walletManager)
}
suspend fun loadPayId() {
val result = loadPayIdIfNeeded()
result?.let { handlePayIdResult(it) }
}
suspend fun updateWallet() {
val walletManager = store.state.globalState.scanNoteResponse?.walletManager
if (walletManager == null) {
withContext(Dispatchers.Main) { store.dispatch(WalletAction.UpdateWallet.Failure()) }
return
}
val result = try {
walletManager.update()
Result.Success(walletManager.wallet)
} catch (exception: Exception) {
Result.Failure(exception)
}
withContext(Dispatchers.Main) {
when (result) {
is Result.Success ->
store.dispatch(WalletAction.UpdateWallet.Success(result.data))
is Result.Failure ->
store.dispatch(WalletAction.UpdateWallet.Failure(result.error?.localizedMessage))
}
}
}
suspend fun loadFiatRate(fiatCurrency: FiatCurrencyName) {
val wallet = store.state.globalState.scanNoteResponse?.walletManager?.wallet ?: return
val currencyList = wallet.getTokens().map { it.symbol }.toMutableList()
currencyList.add(wallet.blockchain.currency)
val results = mutableListOf<Pair<CryptoCurrencyName, Result<BigDecimal>?>>()
currencyList.forEach { results.add(it to coinMarketCapService.getRate(it, fiatCurrency)) }
handleFiatRatesResult(results)
}
suspend fun onCardScanned(data: ScanNoteResponse, addAnalyticsEvent: Boolean = false) {
if (addAnalyticsEvent) {
FirebaseAnalyticsHandler.triggerEvent(AnalyticsEvent.CARD_IS_SCANNED, data.card)
}
TapWorkarounds.updateCard(data.card)
val configManager = store.state.globalState.configManager
if (TapWorkarounds.isStart2Coin) {
configManager?.turnOff(ConfigManager.isWalletPayIdEnabled)
configManager?.turnOff(ConfigManager.isSendingToPayIdEnabled)
configManager?.turnOff(ConfigManager.isTopUpEnabled)
} else if (data.walletManager?.wallet?.blockchain == Blockchain.Bitcoin
|| data.card.cardData?.blockchainName == Blockchain.Bitcoin.id){
configManager?.turnOff(ConfigManager.isWalletPayIdEnabled)
} else {
configManager?.resetToDefault(ConfigManager.isWalletPayIdEnabled)
configManager?.resetToDefault(ConfigManager.isTopUpEnabled)
}
withContext(Dispatchers.Main) {
store.dispatch(WalletAction.ResetState)
store.dispatch(GlobalAction.SaveScanNoteResponse(data))
store.dispatch(AddressPayIdActionUi.ChangePayIdState(configManager?.config?.isWalletPayIdEnabled
?: false))
if (data.card.cardData?.productMask?.contains(Product.TwinCard) == true) {
val secondCardId = TwinsHelper.getTwinsCardId(data.card.cardId)
val cardNumber = TwinsHelper.getTwinCardNumber(data.card.cardId)
if (secondCardId != null && cardNumber != null) {
store.dispatch(WalletAction.TwinsAction.SetTwinCard(
secondCardId, cardNumber,
configManager?.config?.isCreatingTwinCardsAllowed ?: false
))
}
}
loadData(data)
}
}
suspend fun loadData(data: ScanNoteResponse) {
withContext(Dispatchers.Main) {
store.dispatch(WalletAction.CheckIfWarningNeeded)
val artworkId = data.verifyResponse?.artworkInfo?.id
if (data.walletManager != null) {
if (!NetworkConnectivity.getInstance().isOnlineOrConnecting()) {
store.dispatch(WalletAction.LoadData.Failure(TapError.NoInternetConnection))
return@withContext
}
val config = store.state.globalState.configManager?.config ?: return@withContext
store.dispatch(WalletAction.LoadWallet(
data.walletManager.wallet, data.verifyResponse?.artworkInfo?.id, config.isTopUpEnabled))
store.dispatch(WalletAction.LoadArtwork(data.card, artworkId))
store.dispatch(WalletAction.LoadFiatRate)
store.dispatch(WalletAction.LoadPayId)
} else if (data.card.status == CardStatus.Empty ||
data.card.cardData?.productMask?.contains(Product.TwinCard) == true) {
store.dispatch(WalletAction.EmptyWallet)
store.dispatch(WalletAction.LoadArtwork(data.card, artworkId))
} else {
store.dispatch(WalletAction.LoadData.Failure(TapError.UnknownBlockchain))
store.dispatch(WalletAction.LoadArtwork(data.card, artworkId))
}
}
}
private suspend fun loadWallet(walletManager: WalletManager) {
val result = try {
walletManager.update()
Result.Success(walletManager.wallet)
} catch (exception: Exception) {
Result.Failure(exception)
}
handleUpdateWalletResult(result, walletManager)
}
private suspend fun handleUpdateWalletResult(result: Result<Wallet>, walletManager: WalletManager) {
withContext(Dispatchers.Main) {
when (result) {
is Result.Success -> store.dispatch(WalletAction.LoadWallet.Success(result.data))
is Result.Failure -> {
val error = result.error
val blockchain = walletManager.wallet.blockchain
if (error != null && blockchain.isNoAccountError(error)) {
val token = walletManager.wallet.getFirstToken()
val amountToCreateAccount = blockchain.amountToCreateAccount(token)
if (amountToCreateAccount != null) {
store.dispatch(WalletAction.LoadWallet.NoAccount(amountToCreateAccount.toString()))
return@withContext
}
}
store.dispatch(WalletAction.LoadWallet.Failure(result.error?.localizedMessage))
}
}
}
}
private suspend fun loadPayIdIfNeeded(): Result<String?>? {
val scanNoteResponse = store.state.globalState.scanNoteResponse
if (store.state.globalState.configManager?.config?.isWalletPayIdEnabled == false
|| scanNoteResponse?.walletManager?.wallet?.blockchain?.isPayIdSupported() == false) {
return null
}
val cardId = scanNoteResponse?.card?.cardId
val publicKey = scanNoteResponse?.card?.cardPublicKey
if (cardId == null || publicKey == null) {
return null
}
return payIdManager.getPayId(cardId, publicKey.toHexString())
}
private suspend fun handlePayIdResult(result: Result<String?>) {
withContext(Dispatchers.Main) {
when (result) {
is Result.Success -> {
val config = store.state.globalState.configManager?.config
if (config?.isWalletPayIdEnabled == false) {
store.dispatch(WalletAction.DisablePayId)
return@withContext
}
val payId = result.data
if (payId == null) {
store.dispatch(WalletAction.LoadPayId.NotCreated)
} else {
store.dispatch(WalletAction.LoadPayId.Success(payId))
}
}
is Result.Failure -> store.dispatch(WalletAction.LoadPayId.Failure)
}
}
}
private suspend fun handleFiatRatesResult(results: List<Pair<CryptoCurrencyName, Result<BigDecimal>?>>) {
withContext(Dispatchers.Main) {
results.map {
when (it.second) {
is Result.Success -> {
val rate = it.first to (it.second as Result.Success<BigDecimal>).data
store.dispatch(GlobalAction.SetFiatRate(rate))
store.dispatch(WalletAction.LoadFiatRate.Success(rate))
}
is Result.Failure -> store.dispatch(WalletAction.LoadFiatRate.Failure)
null -> {
}
}
}
}
}
}
fun Wallet.getFirstToken(): Token? {
return getTokens().toList().getOrNull(0)
}