An advanced Ethereum/EVM mobile wallet
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alpha-wallet-ios/AlphaWallet/InCoordinator.swift

1211 lines
54 KiB

// Copyright SIX DAY LLC. All rights reserved.
import UIKit
import BigInt
import PromiseKit
import RealmSwift
import Result
// swiftlint:disable file_length
protocol InCoordinatorDelegate: AnyObject {
func didCancel(in coordinator: InCoordinator)
func didUpdateAccounts(in coordinator: InCoordinator)
func didShowWallet(in coordinator: InCoordinator)
func assetDefinitionsOverrideViewController(for coordinator: InCoordinator) -> UIViewController?
func importUniversalLink(url: URL, forCoordinator coordinator: InCoordinator)
func handleUniversalLink(_ url: URL, forCoordinator coordinator: InCoordinator)
func handleCustomUrlScheme(_ url: URL, forCoordinator coordinator: InCoordinator)
func showWallets(in coordinator: InCoordinator)
func didRestart(in coordinator: InCoordinator, wallet: Wallet)
}
enum Tabs {
case wallet
case alphaWalletSettings
case transactionsOrActivity
case browser
var className: String {
switch self {
case .wallet:
return String(describing: TokensViewController.self)
case .transactionsOrActivity:
if Features.isActivityEnabled {
return String(describing: ActivitiesViewController.self)
} else {
return String(describing: TransactionsViewController.self)
}
case .alphaWalletSettings:
return String(describing: SettingsViewController.self)
case .browser:
return String(describing: DappsHomeViewController.self)
}
}
}
// swiftlint:disable type_body_length
class InCoordinator: NSObject, Coordinator {
private var wallet: Wallet
private let config: Config
private let assetDefinitionStore: AssetDefinitionStore
private let appTracker: AppTracker
private var transactionsStorages = ServerDictionary<TransactionsStorage>()
private var walletSessions = ServerDictionary<WalletSession>()
private let analyticsCoordinator: AnalyticsCoordinator
private let restartQueue: RestartTaskQueue
private var callForAssetAttributeCoordinators = ServerDictionary<CallForAssetAttributeCoordinator>() {
didSet {
XMLHandler.callForAssetAttributeCoordinators = callForAssetAttributeCoordinators
}
}
private let queue: DispatchQueue = DispatchQueue(label: "com.Background.updateQueue", qos: .userInitiated)
//TODO rename this generic name to reflect that it's for event instances, not for event activity
lazy private var eventsDataStore: EventsDataStore = EventsDataStore(realm: realm)
lazy private var eventsActivityDataStore: EventsActivityDataStore = EventsActivityDataStore(realm: realm, queue: queue)
private var eventSourceCoordinatorForActivities: EventSourceCoordinatorForActivities?
private let coinTickersFetcher: CoinTickersFetcherType
private lazy var eventSourceCoordinator: EventSourceCoordinatorType = createEventSourceCoordinator()
var tokensStorages = ServerDictionary<TokensDataStore>()
private var claimOrderCoordinatorCompletionBlock: ((Bool) -> Void)?
lazy var nativeCryptoCurrencyPrices: ServerDictionary<Subscribable<Double>> = {
return createEtherPricesSubscribablesForAllChains()
}()
lazy var nativeCryptoCurrencyBalances: ServerDictionary<Subscribable<BigInt>> = {
return createEtherBalancesSubscribablesForAllChains()
}()
private var transactionCoordinator: TransactionCoordinator? {
return coordinators.compactMap { $0 as? TransactionCoordinator }.first
}
private var tokensCoordinator: TokensCoordinator? {
return coordinators.compactMap { $0 as? TokensCoordinator }.first
}
var dappBrowserCoordinator: DappBrowserCoordinator? {
coordinators.compactMap { $0 as? DappBrowserCoordinator }.first
}
private var activityCoordinator: ActivitiesCoordinator? {
return coordinators.compactMap { $0 as? ActivitiesCoordinator }.first
}
private lazy var helpUsCoordinator: HelpUsCoordinator = {
return HelpUsCoordinator(
navigationController: navigationController,
appTracker: appTracker
)
}()
lazy var filterTokensCoordinator: FilterTokensCoordinator = {
return .init(assetDefinitionStore: assetDefinitionStore, tokenActionsService: tokenActionsService)
}()
private lazy var activitiesService: ActivitiesServiceType = createActivitiesService()
let navigationController: UINavigationController
var coordinators: [Coordinator] = []
var keystore: Keystore
var urlSchemeCoordinator: UrlSchemeCoordinatorType
weak var delegate: InCoordinatorDelegate?
private let walletBalanceCoordinator: WalletBalanceCoordinatorType
private lazy var realm = Wallet.functional.realm(forAccount: wallet)
private lazy var oneInchSwapService = Oneinch()
private lazy var rampBuyService = Ramp(account: wallet)
private lazy var tokenActionsService: TokenActionsServiceType = {
let service = TokenActionsService()
service.register(service: rampBuyService)
service.register(service: oneInchSwapService)
let honeySwapService = HoneySwap()
honeySwapService.theme = navigationController.traitCollection.honeyswapTheme
service.register(service: honeySwapService)
//NOTE: Disable uniswap swap provider
//var uniswap = Uniswap()
//uniswap.theme = navigationController.traitCollection.uniswapTheme
//service.register(service: uniswap)
return service
}()
private lazy var walletConnectCoordinator: WalletConnectCoordinator = createWalletConnectCoordinator()
private let promptBackupCoordinator: PromptBackupCoordinator
lazy var tabBarController: UITabBarController = {
let tabBarController = TabBarController()
tabBarController.tabBar.isTranslucent = false
return tabBarController
}()
private let accountsCoordinator: AccountsCoordinator
init(
navigationController: UINavigationController = UINavigationController(),
wallet: Wallet,
keystore: Keystore,
assetDefinitionStore: AssetDefinitionStore,
config: Config,
appTracker: AppTracker = AppTracker(),
analyticsCoordinator: AnalyticsCoordinator,
restartQueue: RestartTaskQueue,
urlSchemeCoordinator: UrlSchemeCoordinatorType,
promptBackupCoordinator: PromptBackupCoordinator,
accountsCoordinator: AccountsCoordinator,
walletBalanceCoordinator: WalletBalanceCoordinatorType,
coinTickersFetcher: CoinTickersFetcherType
) {
self.navigationController = navigationController
self.wallet = wallet
self.keystore = keystore
self.config = config
self.appTracker = appTracker
self.analyticsCoordinator = analyticsCoordinator
self.restartQueue = restartQueue
self.assetDefinitionStore = assetDefinitionStore
self.urlSchemeCoordinator = urlSchemeCoordinator
self.promptBackupCoordinator = promptBackupCoordinator
self.accountsCoordinator = accountsCoordinator
self.walletBalanceCoordinator = walletBalanceCoordinator
self.coinTickersFetcher = coinTickersFetcher
//Disabled for now. Refer to function's comment
//self.assetDefinitionStore.enableFetchXMLForContractInPasteboard()
super.init()
}
deinit {
XMLHandler.callForAssetAttributeCoordinators = nil
//NOTE: Clear all smart contract calls
clearSmartContractCallsCache()
}
func start(animated: Bool) {
showTabBar(for: wallet, animated: animated)
checkDevice()
helpUsCoordinator.start()
addCoordinator(helpUsCoordinator)
fetchXMLAssetDefinitions()
listOfBadTokenScriptFilesChanged(fileNames: assetDefinitionStore.listOfBadTokenScriptFiles + assetDefinitionStore.conflictingTokenScriptFileNames.all)
setupWatchingTokenScriptFileChangesToFetchEvents()
urlSchemeCoordinator.processPendingURL(in: self)
oneInchSwapService.fetchSupportedTokens()
rampBuyService.fetchSupportedTokens()
processRestartQueueAfterRestart(config: config, coordinator: self, restartQueue: restartQueue)
}
func launchUniversalScanner() {
tokensCoordinator?.launchUniversalScanner(fromSource: .quickAction)
}
private func createActivitiesService() -> ActivitiesServiceType {
return ActivitiesService(config: config, sessions: walletSessions, tokensStorages: tokensStorages, assetDefinitionStore: assetDefinitionStore, eventsActivityDataStore: eventsActivityDataStore, eventsDataStore: eventsDataStore, transactionCollection: transactionsCollection, queue: queue)
}
private func setupWatchingTokenScriptFileChangesToFetchEvents() {
//TODO this is firing twice for each contract. We can be more efficient
assetDefinitionStore.subscribeToBodyChanges { [weak self] contract in
guard let strongSelf = self else { return }
let tokens = strongSelf.tokensStorages.values.flatMap { $0.enabledObject }
//Assume same contract don't exist in multiple chains
guard let token = tokens.first(where: { $0.contractAddress.sameContract(as: contract) }) else { return }
let xmlHandler = XMLHandler(token: token, assetDefinitionStore: strongSelf.assetDefinitionStore)
guard xmlHandler.hasAssetDefinition, let server = xmlHandler.server else { return }
switch server {
case .any:
for each in strongSelf.config.enabledServers {
strongSelf.fetchEvents(forTokenContract: contract, server: each)
}
case .server(let server):
strongSelf.fetchEvents(forTokenContract: contract, server: server)
}
}
}
private func fetchEvents(forTokenContract contract: AlphaWallet.Address, server: RPCServer) {
let tokensDataStore = tokensStorages[server]
guard let token = tokensDataStore.token(forContract: contract) else { return }
eventsDataStore.deleteEvents(forTokenContract: contract)
let _ = eventSourceCoordinator.fetchEventsByTokenId(forToken: token)
if Features.isActivityEnabled {
let _ = eventSourceCoordinatorForActivities?.fetchEvents(forToken: token)
}
}
private func createTokensDatastore(forConfig config: Config, server: RPCServer) -> TokensDataStore {
let storage = TokensDataStore(realm: realm, account: wallet, server: server, config: config, assetDefinitionStore: assetDefinitionStore, filterTokensCoordinator: filterTokensCoordinator)
storage.priceDelegate = self
return storage
}
private func createTransactionsStorage(server: RPCServer) -> TransactionsStorage {
return TransactionsStorage(realm: realm, server: server, delegate: self)
}
private func fetchCryptoPrice(forServer server: RPCServer) {
assert(!tokensStorages.isEmpty)
let tokensStorage = tokensStorages[server]
tokensStorage.tokensModel.subscribe { [weak self, weak tokensStorage] tokensModel in
guard let strongSelf = self, let tokensStorage = tokensStorage else { return }
let etherToken = TokensDataStore.etherToken(forServer: server)
guard let tokens = tokensModel, let eth = tokens.first(where: { $0 == etherToken }) else { return }
//Defensive. Sometimes crash right after switch networks if price is refreshed just before the TokensStorage is destroyed
guard strongSelf.nativeCryptoCurrencyPrices.hasKey(server) else { return }
if let ticker = tokensStorage.coinTicker(for: eth) {
strongSelf.nativeCryptoCurrencyPrices[server].value = Double(ticker.price_usd)
} else {
tokensStorage.updatePricesAfterComingOnline()
}
}
}
private func oneTimeCreationOfOneDatabaseToHoldAllChains() {
let migration = MigrationInitializer(account: wallet)
migration.oneTimeCreationOfOneDatabaseToHoldAllChains(assetDefinitionStore: assetDefinitionStore)
}
private func setupCallForAssetAttributeCoordinators() {
callForAssetAttributeCoordinators = .init()
for each in config.enabledServers {
callForAssetAttributeCoordinators[each] = CallForAssetAttributeCoordinator(server: each, assetDefinitionStore: self.assetDefinitionStore)
}
}
private func createEventSourceCoordinator() -> EventSourceCoordinatorType {
return EventSourceCoordinator(wallet: wallet, config: config, tokensStorages: tokensStorages, assetDefinitionStore: assetDefinitionStore, eventsDataStore: eventsDataStore)
}
private func setUpEventSourceCoordinatorForActivities() {
guard Features.isActivityEnabled else { return }
eventSourceCoordinatorForActivities = EventSourceCoordinatorForActivities(wallet: wallet, config: config, tokensStorages: tokensStorages, assetDefinitionStore: assetDefinitionStore, eventsDataStore: eventsActivityDataStore)
}
private func setupTokenDataStores() {
tokensStorages = .init()
for each in config.enabledServers {
let tokensStorage = createTokensDatastore(forConfig: config, server: each)
tokensStorages[each] = tokensStorage
}
}
private func setupFetchTokenPrices() {
fetchTokenPrices()
}
private func fetchTokenPrices() {
let tokens: ServerDictionary<[TokenMappedToTicker]> = tokensStorages.mapValues { storage in
storage.enabledObject.map { TokenMappedToTicker(tokenObject: $0) }
}
firstly {
coinTickersFetcher.fetchPrices(forTokens: tokens)
}.done { [weak self] tickers in
guard let strongSelf = self else { return }
for (_, storage) in strongSelf.tokensStorages {
storage.tickers = tickers
}
}.catch {
if $0 == CoinTickersFetcher.Error.alreadyFetchingPrices {
//no-op
} else {
//We should already have retried upstream
//TODO good to log to remote, but might be connectivity problem etc
}
}
}
private func setupTransactionsStorages() {
transactionsStorages = .init()
for each in config.enabledServers {
let transactionsStorage = createTransactionsStorage(server: each)
//TODO why do we remove such transactions? especially `.failed` and `.unknown`?
transactionsStorage.removeTransactions(for: [.failed, .pending, .unknown])
transactionsStorages[each] = transactionsStorage
}
}
private func setupEtherBalances() {
nativeCryptoCurrencyBalances = .init()
for each in config.enabledServers {
nativeCryptoCurrencyBalances[each] = createCryptoCurrencyBalanceSubscribable(forServer: each)
let tokensStorage = tokensStorages[each]
tokensStorage.tokensModel.subscribe { [weak self] tokensModel in
let etherToken = TokensDataStore.etherToken(forServer: each)
guard let strongSelf = self, let tokens = tokensModel, let eth = tokens.first(where: { $0 == etherToken }) else {
return
}
if let balance = BigInt(eth.value) {
//Defensive. Sometimes crash right after switch networks if price is refreshed just before the TokensStorage is destroyed
guard strongSelf.nativeCryptoCurrencyBalances.hasKey(each) else { return }
strongSelf.nativeCryptoCurrencyBalances[each].value = BigInt(eth.value)
guard !(balance.isZero) else { return }
//TODO don't backup wallets if we are running tests. Maybe better to move this into app delegate's application(_:didFinishLaunchingWithOptions:)
guard !isRunningTests() else { return }
}
}
}
}
private func setupWalletSessions() {
walletSessions = .init()
for each in config.enabledServers {
let tokensStorage = tokensStorages[each]
let balanceCoordinator = BalanceCoordinator(wallet: wallet, server: each, storage: tokensStorage)
let session = WalletSession(
account: wallet,
server: each,
config: config,
balanceCoordinator: balanceCoordinator
)
walletSessions[each] = session
}
}
private lazy var transactionsCollection: TransactionCollection = createTransactionsCollection()
//Setup functions has to be called in the right order as they may rely on eg. wallet sessions being available. Wrong order should be immediately apparent with crash on startup. So don't worry
private func setupResourcesOnMultiChain() {
oneTimeCreationOfOneDatabaseToHoldAllChains()
setupTokenDataStores()
setupFetchTokenPrices()
setupWalletSessions()
setupNativeCryptoCurrencyPrices()
setupNativeCryptoCurrencyBalances()
setupTransactionsStorages()
setupEtherBalances()
setupCallForAssetAttributeCoordinators()
//TODO rename this generic name to reflect that it's for event instances, not for event activity. A few other related ones too
eventSourceCoordinator = createEventSourceCoordinator()
setUpEventSourceCoordinatorForActivities()
setUpErc721TokenIdsFetcher()
}
private func setUpErc721TokenIdsFetcher() {
for each in config.enabledServers {
let tokenStorage = tokensStorages[each]
let transactionStorage = transactionsStorages[each]
tokenStorage.erc721TokenIdsFetcher = transactionStorage
}
}
private func createTransactionsCollection() -> TransactionCollection {
let transactionsStoragesForEnabledServers = config.enabledServers.map { transactionsStorages[$0] }
return TransactionCollection(transactionsStorages: transactionsStoragesForEnabledServers, queue: queue)
}
private func setupNativeCryptoCurrencyPrices() {
nativeCryptoCurrencyPrices = createEtherPricesSubscribablesForAllChains()
}
private func setupNativeCryptoCurrencyBalances() {
nativeCryptoCurrencyBalances = createEtherBalancesSubscribablesForAllChains()
}
private func fetchEthereumEvents() {
eventSourceCoordinator.fetchEthereumEvents()
if Features.isActivityEnabled {
eventSourceCoordinatorForActivities?.fetchEthereumEvents()
}
}
private func pollEthereumEvents(tokenCollection: TokenCollection) {
tokenCollection.subscribe { [weak self] _ in
guard let strongSelf = self else { return }
strongSelf.fetchEthereumEvents()
}
}
func showTabBar(for account: Wallet, animated: Bool) {
keystore.recentlyUsedWallet = account
rampBuyService.account = account
wallet = account
setupResourcesOnMultiChain()
walletConnectCoordinator = createWalletConnectCoordinator()
fetchEthereumEvents()
setupTabBarController()
showTabBar(animated: animated)
}
func showTabBar(animated: Bool) {
navigationController.setViewControllers([accountsCoordinator.accountsViewController], animated: false)
navigationController.pushViewController(tabBarController, animated: animated)
navigationController.setNavigationBarHidden(true, animated: true)
let inCoordinatorViewModel = InCoordinatorViewModel()
showTab(inCoordinatorViewModel.initialTab)
logEnabledChains()
logWallets()
logDynamicTypeSetting()
promptBackupCoordinator.start()
}
private func createTokensCoordinator(promptBackupCoordinator: PromptBackupCoordinator, activitiesService: ActivitiesServiceType) -> TokensCoordinator {
let tokensStoragesForEnabledServers = config.enabledServers.map { tokensStorages[$0] }
let tokenCollection = TokenCollection(filterTokensCoordinator: filterTokensCoordinator, tokenDataStores: tokensStoragesForEnabledServers)
promptBackupCoordinator.listenToNativeCryptoCurrencyBalance(withTokenCollection: tokenCollection)
pollEthereumEvents(tokenCollection: tokenCollection)
let coordinator = TokensCoordinator(
sessions: walletSessions,
keystore: keystore,
config: config,
tokenCollection: tokenCollection,
nativeCryptoCurrencyPrices: nativeCryptoCurrencyPrices,
assetDefinitionStore: assetDefinitionStore,
eventsDataStore: eventsDataStore,
promptBackupCoordinator: promptBackupCoordinator,
filterTokensCoordinator: filterTokensCoordinator,
analyticsCoordinator: analyticsCoordinator,
tokenActionsService: tokenActionsService,
walletConnectCoordinator: walletConnectCoordinator,
transactionsStorages: transactionsStorages,
coinTickersFetcher: coinTickersFetcher,
activitiesService: activitiesService
)
coordinator.rootViewController.tabBarItem = UITabBarItem(title: R.string.localizable.walletTokensTabbarItemTitle(), image: R.image.tab_wallet(), selectedImage: nil)
coordinator.delegate = self
coordinator.start()
addCoordinator(coordinator)
return coordinator
}
private func createTransactionCoordinator(promptBackupCoordinator: PromptBackupCoordinator, transactionsCollection: TransactionCollection) -> TransactionCoordinator {
let transactionDataCoordinator = TransactionDataCoordinator(
sessions: walletSessions,
transactionCollection: transactionsCollection,
keystore: keystore,
tokensStorages: tokensStorages,
promptBackupCoordinator: promptBackupCoordinator
)
let coordinator = TransactionCoordinator(
analyticsCoordinator: analyticsCoordinator,
sessions: walletSessions,
transactionsCollection: transactionsCollection,
dataCoordinator: transactionDataCoordinator
)
coordinator.rootViewController.tabBarItem = UITabBarItem(title: R.string.localizable.transactionsTabbarItemTitle(), image: R.image.tab_transactions(), selectedImage: nil)
coordinator.delegate = self
coordinator.start()
addCoordinator(coordinator)
return coordinator
}
private func createActivityCoordinator(activitiesService: ActivitiesServiceType) -> ActivitiesCoordinator {
let coordinator = ActivitiesCoordinator(analyticsCoordinator: analyticsCoordinator, sessions: walletSessions, tokensStorages: tokensStorages, assetDefinitionStore: assetDefinitionStore, activitiesService: activitiesService)
coordinator.delegate = self
coordinator.rootViewController.tabBarItem = UITabBarItem(title: R.string.localizable.activityTabbarItemTitle(), image: R.image.tab_transactions(), selectedImage: nil)
coordinator.start()
addCoordinator(coordinator)
return coordinator
}
private func createBrowserCoordinator(sessions: ServerDictionary<WalletSession>, browserOnly: Bool, analyticsCoordinator: AnalyticsCoordinator) -> DappBrowserCoordinator {
let coordinator = DappBrowserCoordinator(sessions: sessions, keystore: keystore, config: config, sharedRealm: realm, browserOnly: browserOnly, nativeCryptoCurrencyPrices: nativeCryptoCurrencyPrices, restartQueue: restartQueue, analyticsCoordinator: analyticsCoordinator)
coordinator.delegate = self
coordinator.start()
coordinator.rootViewController.tabBarItem = UITabBarItem(title: R.string.localizable.browserTabbarItemTitle(), image: R.image.tab_browser(), selectedImage: nil)
addCoordinator(coordinator)
return coordinator
}
private func createSettingsCoordinator(keystore: Keystore, promptBackupCoordinator: PromptBackupCoordinator) -> SettingsCoordinator {
let coordinator = SettingsCoordinator(
keystore: keystore,
config: config,
sessions: walletSessions,
restartQueue: restartQueue,
promptBackupCoordinator: promptBackupCoordinator,
analyticsCoordinator: analyticsCoordinator,
walletConnectCoordinator: walletConnectCoordinator,
walletBalanceCoordinator: walletBalanceCoordinator
)
coordinator.rootViewController.tabBarItem = UITabBarItem(title: R.string.localizable.aSettingsNavigationTitle(), image: R.image.tab_settings(), selectedImage: nil)
coordinator.delegate = self
coordinator.start()
addCoordinator(coordinator)
return coordinator
}
//TODO do we need 2 separate TokensDataStore instances? Is it because they have different delegates?
private func setupTabBarController() {
var viewControllers = [UIViewController]()
let tokensCoordinator = createTokensCoordinator(promptBackupCoordinator: promptBackupCoordinator, activitiesService: activitiesService)
configureNavigationControllerForLargeTitles(tokensCoordinator.navigationController)
viewControllers.append(tokensCoordinator.navigationController)
let transactionCoordinator = createTransactionCoordinator(promptBackupCoordinator: promptBackupCoordinator, transactionsCollection: transactionsCollection)
configureNavigationControllerForLargeTitles(transactionCoordinator.navigationController)
if Features.isActivityEnabled {
let activityCoordinator = createActivityCoordinator(activitiesService: activitiesService)
configureNavigationControllerForLargeTitles(activityCoordinator.navigationController)
viewControllers.append(activityCoordinator.navigationController)
} else {
viewControllers.append(transactionCoordinator.navigationController)
}
let browserCoordinator = createBrowserCoordinator(sessions: walletSessions, browserOnly: false, analyticsCoordinator: analyticsCoordinator)
viewControllers.append(browserCoordinator.navigationController)
let settingsCoordinator = createSettingsCoordinator(keystore: keystore, promptBackupCoordinator: promptBackupCoordinator)
configureNavigationControllerForLargeTitles(settingsCoordinator.navigationController)
viewControllers.append(settingsCoordinator.navigationController)
tabBarController.viewControllers = viewControllers
}
private func configureNavigationControllerForLargeTitles(_ navigationController: UINavigationController) {
navigationController.navigationBar.prefersLargeTitles = true
//When we enable large titles,
//1. we can't get `UINavigationBar.appearance().setBackgroundImage(UIImage(color: Colors.appBackground), for: .default)` to work anymore, needing to replace it with: `UINavigationBar.appearance().barTintColor = Colors.appBackground`.
//2. Without the former, we need to clear `isTranslucent` in order for view controllers that do not embed scroll views to clip off content at the top (unless we offset ourselves).
//3. And when we clear `isTranslucent`, we need to set the navigationController's background ourselves, otherwise when pushing a view controller, the navigationController will show as black
navigationController.navigationBar.isTranslucent = false
navigationController.view.backgroundColor = Colors.appBackground
}
@objc private func dismissTransactions() {
navigationController.dismiss(animated: true)
}
func showTab(_ selectTab: Tabs) {
guard let viewControllers = tabBarController.viewControllers else {
return
}
for controller in viewControllers {
if let nav = controller as? UINavigationController {
if nav.viewControllers[0].className == selectTab.className {
tabBarController.selectedViewController = nav
}
}
}
}
private func disconnectWalletConnectSessionsSelectively(for reason: RestartReason) {
switch reason {
case .changeLocalization:
break //no op
case .serverChange:
walletConnectCoordinator.disconnect(sessionsToDisconnect: .allExcept(config.enabledServers))
case .walletChange:
walletConnectCoordinator.disconnect(sessionsToDisconnect: .all)
}
}
private func removeAllCoordinators() {
coordinators.removeAll()
}
private func checkDevice() {
let deviceChecker = CheckDeviceCoordinator(
navigationController: navigationController,
jailbreakChecker: DeviceChecker()
)
deviceChecker.start()
addCoordinator(deviceChecker)
}
func showPaymentFlow(for type: PaymentFlow, server: RPCServer, navigationController: UINavigationController) {
let session = walletSessions[server]
let tokenStorage = tokensStorages[server]
switch (type, session.account.type) {
case (.send, .real), (.request, _):
let coordinator = PaymentCoordinator(
navigationController: navigationController,
flow: type,
session: session,
keystore: keystore,
storage: tokenStorage,
ethPrice: nativeCryptoCurrencyPrices[server],
assetDefinitionStore: assetDefinitionStore,
analyticsCoordinator: analyticsCoordinator
)
coordinator.delegate = self
coordinator.start()
addCoordinator(coordinator)
case (_, _):
if let topVC = navigationController.presentedViewController {
topVC.displayError(error: InCoordinatorError.onlyWatchAccount)
} else {
navigationController.displayError(error: InCoordinatorError.onlyWatchAccount)
}
}
}
private func handlePendingTransaction(transaction: SentTransaction) {
transactionCoordinator?.addSentTransaction(transaction)
}
private func showTransactionSent(transaction: SentTransaction) {
UIAlertController.showTransactionSent(transaction: transaction, on: presentationViewController)
}
private func fetchXMLAssetDefinitions() {
let coordinator = FetchAssetDefinitionsCoordinator(assetDefinitionStore: assetDefinitionStore, tokensDataStores: tokensStorages)
coordinator.start()
addCoordinator(coordinator)
}
func importPaidSignedOrder(signedOrder: SignedOrder, tokenObject: TokenObject, inViewController viewController: ImportMagicTokenViewController, completion: @escaping (Bool) -> Void) {
guard let navigationController = viewController.navigationController else { return }
let session = walletSessions[tokenObject.server]
claimOrderCoordinatorCompletionBlock = completion
let coordinator = ClaimPaidOrderCoordinator(navigationController: navigationController, keystore: keystore, session: session, tokenObject: tokenObject, signedOrder: signedOrder, ethPrice: nativeCryptoCurrencyPrices[session.server], analyticsCoordinator: analyticsCoordinator)
coordinator.delegate = self
addCoordinator(coordinator)
coordinator.start()
}
func addImported(contract: AlphaWallet.Address, forServer server: RPCServer) {
//Useful to check because we are/might action-only TokenScripts for native crypto currency
guard !contract.sameContract(as: Constants.nativeCryptoAddressInDatabase) else { return }
let tokensCoordinator = coordinators.first { $0 is TokensCoordinator } as? TokensCoordinator
tokensCoordinator?.addImportedToken(forContract: contract, server: server)
}
private func createEtherPricesSubscribablesForAllChains() -> ServerDictionary<Subscribable<Double>> {
var result = ServerDictionary<Subscribable<Double>>()
for each in config.enabledServers {
result[each] = createNativeCryptoCurrencyPriceSubscribable(forServer: each)
}
return result
}
private func createNativeCryptoCurrencyPriceSubscribable(forServer server: RPCServer) -> Subscribable<Double> {
let value = Subscribable<Double>(nil)
fetchCryptoPrice(forServer: server)
return value
}
private func createEtherBalancesSubscribablesForAllChains() -> ServerDictionary<Subscribable<BigInt>> {
var result = ServerDictionary<Subscribable<BigInt>>()
for each in config.enabledServers {
result[each] = createCryptoCurrencyBalanceSubscribable(forServer: each)
}
return result
}
private func createCryptoCurrencyBalanceSubscribable(forServer server: RPCServer) -> Subscribable<BigInt> {
return Subscribable<BigInt>(nil)
}
private func isViewControllerDappBrowserTab(_ viewController: UIViewController) -> Bool {
guard let dappBrowserCoordinator = dappBrowserCoordinator else { return false }
return dappBrowserCoordinator.rootViewController.navigationController == viewController
}
func show(error: Error) {
//TODO Not comprehensive. Example, if we are showing a token instance view and tap on unverified to open browser, this wouldn't owrk
if let topVC = navigationController.presentedViewController {
topVC.displayError(error: error)
} else {
navigationController.displayError(error: error)
}
}
func show(openedURL filename: String) {
let controller = UIAlertController(title: nil, message: "\(filename) file imported with no error", preferredStyle: .alert)
controller.popoverPresentationController?.sourceView = presentationViewController.view
controller.addAction(.init(title: R.string.localizable.oK(), style: .default))
presentationViewController.present(controller, animated: true)
}
private var presentationViewController: UIViewController {
if let controller = navigationController.presentedViewController {
return controller
} else {
return navigationController
}
}
func listOfBadTokenScriptFilesChanged(fileNames: [TokenScriptFileIndices.FileName]) {
tokensCoordinator?.listOfBadTokenScriptFilesChanged(fileNames: fileNames)
}
private func createWalletConnectCoordinator() -> WalletConnectCoordinator {
let coordinator = WalletConnectCoordinator(keystore: keystore, sessions: walletSessions, navigationController: navigationController, analyticsCoordinator: analyticsCoordinator, config: config, nativeCryptoCurrencyPrices: nativeCryptoCurrencyPrices)
coordinator.delegate = self
addCoordinator(coordinator)
return coordinator
}
func openWalletConnectSession(url: WalletConnectURL) {
walletConnectCoordinator.openSession(url: url)
}
private func processRestartQueueAndRestartUI() {
processRestartQueueBeforeRestart(config: config, restartQueue: restartQueue)
restartUI(withReason: .serverChange, account: wallet)
}
private func restartUI(withReason reason: RestartReason, account: Wallet) {
OpenSea.resetInstances()
disconnectWalletConnectSessionsSelectively(for: reason)
delegate?.didRestart(in: self, wallet: account)
}
private func processRestartQueueBeforeRestart(config: Config, restartQueue: RestartTaskQueue) {
for each in restartQueue.queue {
switch each {
case .addServer(let server):
restartQueue.remove(each)
RPCServer.customRpcs.append(server)
case .removeServer(let server):
restartQueue.remove(each)
removeServer(server)
case .enableServer(let server):
restartQueue.remove(each)
var c = config
c.enabledServers.append(server)
case .switchDappServer(server: let server):
restartQueue.remove(each)
Config.setChainId(server.chainID)
case .loadUrlInDappBrowser:
break
}
}
}
private func removeServer(_ server: CustomRPC) {
//Must disable server first because we (might) not have done that if the user had disabled and then remove the server in the UI at the same time. And if we fallback to mainnet when an enabled server's chain ID is not found, this can lead to mainnet appearing twice in the Wallet tab
let servers = config.enabledServers.filter { $0.chainID != server.chainID }
var config = self.config
config.enabledServers = servers
guard let i = RPCServer.customRpcs.firstIndex(of: server) else { return }
RPCServer.customRpcs.remove(at: i)
switchBrowserServer(awayFrom: server, config: config)
}
private func switchBrowserServer(awayFrom server: CustomRPC, config: Config) {
if Config.getChainId() == server.chainID {
//To be safe, we find a network that is either mainnet/testnet depending on the chain that was removed
let isTestnet = server.isTestnet
if let targetServer = config.enabledServers.first(where: { $0.isTestnet == isTestnet }) {
Config.setChainId(targetServer.chainID)
}
}
}
private func processRestartQueueAfterRestart(config: Config, coordinator: InCoordinator, restartQueue: RestartTaskQueue) {
for each in restartQueue.queue {
switch each {
case .addServer, .removeServer, .enableServer, .switchDappServer:
break
case .loadUrlInDappBrowser(let url):
restartQueue.remove(each)
coordinator.showTab(.browser)
coordinator.dappBrowserCoordinator?.open(url: url, animated: false)
}
}
}
}
// swiftlint:enable type_body_length
extension InCoordinator: WalletConnectCoordinatorDelegate {
func universalScannerSelected(in coordinator: WalletConnectCoordinator) {
tokensCoordinator?.launchUniversalScanner(fromSource: .walletScreen)
}
func didSendTransaction(_ transaction: SentTransaction, inCoordinator coordinator: WalletConnectCoordinator) {
handlePendingTransaction(transaction: transaction)
}
}
extension InCoordinator: CanOpenURL {
private func open(url: URL, in viewController: UIViewController) {
//TODO duplication of code to set up a BrowserCoordinator when creating the application's tabbar
let browserCoordinator = createBrowserCoordinator(sessions: walletSessions, browserOnly: true, analyticsCoordinator: analyticsCoordinator)
let controller = browserCoordinator.navigationController
browserCoordinator.open(url: url, animated: false)
controller.makePresentationFullScreenForiOS13Migration()
viewController.present(controller, animated: true)
}
func didPressViewContractWebPage(forContract contract: AlphaWallet.Address, server: RPCServer, in viewController: UIViewController) {
if contract.sameContract(as: Constants.nativeCryptoAddressInDatabase) {
guard let url = server.etherscanContractDetailsWebPageURL(for: wallet.address) else { return }
logExplorerUse(type: .wallet)
open(url: url, in: viewController)
} else {
guard let url = server.etherscanTokenDetailsWebPageURL(for: contract) else { return }
logExplorerUse(type: .token)
open(url: url, in: viewController)
}
}
func didPressOpenWebPage(_ url: URL, in viewController: UIViewController) {
open(url: url, in: viewController)
}
func didPressViewContractWebPage(_ url: URL, in viewController: UIViewController) {
open(url: url, in: viewController)
}
}
extension InCoordinator: TransactionCoordinatorDelegate {
}
extension InCoordinator: ConsoleCoordinatorDelegate {
func didCancel(in coordinator: ConsoleCoordinator) {
removeCoordinator(coordinator)
}
}
extension InCoordinator: SettingsCoordinatorDelegate {
private func showConsole(navigationController: UINavigationController) {
let coordinator = ConsoleCoordinator(assetDefinitionStore: assetDefinitionStore, navigationController: navigationController)
coordinator.delegate = self
addCoordinator(coordinator)
coordinator.start()
}
func showConsole(in coordinator: SettingsCoordinator) {
showConsole(navigationController: coordinator.navigationController)
}
func didCancel(in coordinator: SettingsCoordinator) {
removeCoordinator(coordinator)
coordinator.navigationController.dismiss(animated: true)
delegate?.didCancel(in: self)
}
func didRestart(with account: Wallet, in coordinator: SettingsCoordinator, reason: RestartReason) {
restartUI(withReason: reason, account: account)
}
func didUpdateAccounts(in coordinator: SettingsCoordinator) {
delegate?.didUpdateAccounts(in: self)
}
func didPressShowWallet(in coordinator: SettingsCoordinator) {
//We are only showing the QR code and some text for this address. Maybe have to rework graphic design so that server isn't necessary
showPaymentFlow(for: .request, server: config.anyEnabledServer(), navigationController: coordinator.navigationController)
delegate?.didShowWallet(in: self)
}
func assetDefinitionsOverrideViewController(for: SettingsCoordinator) -> UIViewController? {
return delegate?.assetDefinitionsOverrideViewController(for: self)
}
func delete(account: Wallet, in coordinator: SettingsCoordinator) {
TransactionsStorage.functional.deleteAllTransactions(realm: Wallet.functional.realm(forAccount: account))
}
func restartToAddEnableAndSwitchBrowserToServer(in coordinator: SettingsCoordinator) {
processRestartQueueAndRestartUI()
}
func restartToRemoveServer(in coordinator: SettingsCoordinator) {
processRestartQueueAndRestartUI()
}
}
extension InCoordinator: UrlSchemeResolver {
func openURLInBrowser(url: URL) {
openURLInBrowser(url: url, forceReload: false)
}
func openURLInBrowser(url: URL, forceReload: Bool) {
guard let dappBrowserCoordinator = dappBrowserCoordinator else { return }
showTab(.browser)
dappBrowserCoordinator.open(url: url, animated: true, forceReload: forceReload)
}
}
extension InCoordinator: ActivityViewControllerDelegate {
func reinject(viewController: ActivityViewController) {
activitiesService.reinject(activity: viewController.viewModel.activity)
}
func goToToken(viewController: ActivityViewController) {
let token = viewController.viewModel.activity.tokenObject
guard let tokenObject = tokensStorages[token.server].token(forContract: token.contractAddress) else { return }
guard let tokensCoordinator = tokensCoordinator, let navigationController = viewController.navigationController else { return }
tokensCoordinator.showSingleChainToken(token: tokenObject, in: navigationController)
}
func speedupTransaction(transactionId: String, server: RPCServer, viewController: ActivityViewController) {
guard let transaction = transactionsStorages[server].transactions.first(where: { $0.id == transactionId }) else { return }
let ethPrice = nativeCryptoCurrencyPrices[transaction.server]
let session = walletSessions[transaction.server]
guard let coordinator = ReplaceTransactionCoordinator(analyticsCoordinator: analyticsCoordinator, keystore: keystore, ethPrice: ethPrice, presentingViewController: viewController, session: session, transaction: transaction, mode: .speedup) else { return }
coordinator.delegate = self
coordinator.start()
addCoordinator(coordinator)
}
func cancelTransaction(transactionId: String, server: RPCServer, viewController: ActivityViewController) {
guard let transaction = transactionsStorages[server].transactions.first(where: { $0.id == transactionId }) else { return }
let ethPrice = nativeCryptoCurrencyPrices[transaction.server]
let session = walletSessions[transaction.server]
guard let coordinator = ReplaceTransactionCoordinator(analyticsCoordinator: analyticsCoordinator, keystore: keystore, ethPrice: ethPrice, presentingViewController: viewController, session: session, transaction: transaction, mode: .cancel) else { return }
coordinator.delegate = self
coordinator.start()
addCoordinator(coordinator)
}
func goToTransaction(viewController: ActivityViewController) {
transactionCoordinator?.showTransaction(withId: viewController.viewModel.activity.transactionId, server: viewController.viewModel.activity.server, inViewController: viewController)
}
func didPressViewContractWebPage(_ contract: AlphaWallet.Address, server: RPCServer, viewController: ActivityViewController) {
didPressViewContractWebPage(forContract: contract, server: server, in: viewController)
}
}
extension InCoordinator: TokensCoordinatorDelegate {
func blockieSelected(in coordinator: TokensCoordinator) {
delegate?.showWallets(in: self)
}
private func showActivity(_ activity: Activity, navigationController: UINavigationController) {
let controller = ActivityViewController(analyticsCoordinator: analyticsCoordinator, wallet: wallet, assetDefinitionStore: assetDefinitionStore, viewModel: .init(activity: activity), service: activitiesService)
controller.delegate = self
controller.hidesBottomBarWhenPushed = true
controller.navigationItem.largeTitleDisplayMode = .never
navigationController.pushViewController(controller, animated: true)
}
func didTap(activity: Activity, inViewController viewController: UIViewController, in coordinator: TokensCoordinator) {
guard let navigationController = viewController.navigationController else { return }
showActivity(activity, navigationController: navigationController)
}
func didTapSwap(forTransactionType transactionType: TransactionType, service: SwapTokenURLProviderType, in coordinator: TokensCoordinator) {
logTappedSwap(service: service)
guard let token = transactionType.swapServiceInputToken, let url = service.url(token: token) else { return }
if let server = service.rpcServer {
open(url: url, onServer: server)
} else {
open(for: url)
}
}
func shouldOpen(url: URL, shouldSwitchServer: Bool, forTransactionType transactionType: TransactionType, in coordinator: TokensCoordinator) {
switch transactionType {
case .nativeCryptocurrency(let token, _, _), .ERC20Token(let token, _, _), .ERC875Token(let token), .ERC721Token(let token):
if shouldSwitchServer {
open(url: url, onServer: token.server)
} else {
open(for: url)
}
case .ERC875TokenOrder, .ERC721ForTicketToken, .dapp, .tokenScript, .claimPaidErc875MagicLink:
break
}
}
private func open(for url: URL) {
guard let dappBrowserCoordinator = dappBrowserCoordinator else { return }
showTab(.browser)
dappBrowserCoordinator.open(url: url, animated: true, forceReload: true)
}
private func open(url: URL, onServer server: RPCServer) {
//Server shouldn't be disabled since the action is selected
guard let dappBrowserCoordinator = dappBrowserCoordinator, config.enabledServers.contains(server) else { return }
showTab(.browser)
dappBrowserCoordinator.switch(toServer: server, url: url)
}
func didPress(for type: PaymentFlow, server: RPCServer, in coordinator: TokensCoordinator) {
showPaymentFlow(for: type, server: server, navigationController: coordinator.navigationController)
}
func didTap(transaction: TransactionInstance, inViewController viewController: UIViewController, in coordinator: TokensCoordinator) {
if transaction.localizedOperations.count > 1 {
transactionCoordinator?.showTransaction(.group(transaction), inViewController: viewController)
} else {
transactionCoordinator?.showTransaction(.standalone(transaction), inViewController: viewController)
}
}
func openConsole(inCoordinator coordinator: TokensCoordinator) {
showConsole(navigationController: coordinator.navigationController)
}
func didPostTokenScriptTransaction(_ transaction: SentTransaction, in coordinator: TokensCoordinator) {
handlePendingTransaction(transaction: transaction)
}
}
extension InCoordinator: PaymentCoordinatorDelegate {
func didFinish(_ result: ConfirmResult, in coordinator: PaymentCoordinator) {
removeCoordinator(coordinator)
switch result {
case .sentTransaction(let transaction):
handlePendingTransaction(transaction: transaction)
coordinator.dismiss(animated: false)
DispatchQueue.main.asyncAfter(deadline: .now() + 0.8) {
self.showTransactionSent(transaction: transaction)
}
case .sentRawTransaction, .signedTransaction:
break
}
}
func didCancel(in coordinator: PaymentCoordinator) {
coordinator.dismiss(animated: true)
removeCoordinator(coordinator)
}
}
extension InCoordinator: DappBrowserCoordinatorDelegate {
func didSentTransaction(transaction: SentTransaction, inCoordinator coordinator: DappBrowserCoordinator) {
handlePendingTransaction(transaction: transaction)
}
func importUniversalLink(url: URL, forCoordinator coordinator: DappBrowserCoordinator) {
delegate?.importUniversalLink(url: url, forCoordinator: self)
}
func handleUniversalLink(_ url: URL, forCoordinator coordinator: DappBrowserCoordinator) {
delegate?.handleUniversalLink(url, forCoordinator: self)
}
func handleCustomUrlScheme(_ url: URL, forCoordinator coordinator: DappBrowserCoordinator) {
delegate?.handleCustomUrlScheme(url, forCoordinator: self)
}
func restartToAddEnableAndSwitchBrowserToServer(inCoordinator coordinator: DappBrowserCoordinator) {
processRestartQueueAndRestartUI()
}
func restartToEnableAndSwitchBrowserToServer(inCoordinator coordinator: DappBrowserCoordinator) {
processRestartQueueAndRestartUI()
}
}
extension InCoordinator: StaticHTMLViewControllerDelegate {
}
extension InCoordinator: TransactionsStorageDelegate {
func didAddTokensWith(contracts: [AlphaWallet.Address], inTransactionsStorage: TransactionsStorage) {
for each in contracts {
assetDefinitionStore.fetchXML(forContract: each)
}
}
}
extension InCoordinator: ActivitiesCoordinatorDelegate {
func didPressActivity(activity: Activity, in viewController: ActivitiesViewController) {
guard let navigationController = viewController.navigationController else { return }
showActivity(activity, navigationController: navigationController)
}
func didPressTransaction(transaction: TransactionInstance, in viewController: ActivitiesViewController) {
if transaction.localizedOperations.count > 1 {
transactionCoordinator?.showTransaction(.group(transaction), inViewController: viewController)
} else {
transactionCoordinator?.showTransaction(.standalone(transaction), inViewController: viewController)
}
}
}
extension InCoordinator: ClaimOrderCoordinatorDelegate {
func coordinator(_ coordinator: ClaimPaidOrderCoordinator, didFailTransaction error: AnyError) {
claimOrderCoordinatorCompletionBlock?(false)
}
func didClose(in coordinator: ClaimPaidOrderCoordinator) {
claimOrderCoordinatorCompletionBlock = nil
removeCoordinator(coordinator)
}
func coordinator(_ coordinator: ClaimPaidOrderCoordinator, didCompleteTransaction result: TransactionConfirmationResult) {
claimOrderCoordinatorCompletionBlock?(true)
claimOrderCoordinatorCompletionBlock = nil
removeCoordinator(coordinator)
}
}
// MARK: Analytics
extension InCoordinator {
private func logEnabledChains() {
let list = config.enabledServers.map(\.chainID).sorted()
analyticsCoordinator.setUser(property: Analytics.UserProperties.enabledChains, value: list)
}
private func logWallets() {
let totalCount = keystore.wallets.count
let hdWalletsCount = keystore.wallets.filter { keystore.isHdWallet(wallet: $0) }.count
let keystoreWalletsCount = keystore.wallets.filter { keystore.isKeystore(wallet: $0) }.count
let watchedWalletsCount = keystore.wallets.filter { keystore.isWatched(wallet: $0) }.count
analyticsCoordinator.setUser(property: Analytics.UserProperties.walletsCount, value: totalCount)
analyticsCoordinator.setUser(property: Analytics.UserProperties.hdWalletsCount, value: hdWalletsCount)
analyticsCoordinator.setUser(property: Analytics.UserProperties.keystoreWalletsCount, value: keystoreWalletsCount)
analyticsCoordinator.setUser(property: Analytics.UserProperties.watchedWalletsCount, value: watchedWalletsCount)
}
private func logDynamicTypeSetting() {
let setting = UIApplication.shared.preferredContentSizeCategory.rawValue
analyticsCoordinator.setUser(property: Analytics.UserProperties.dynamicTypeSetting, value: setting)
}
private func logTappedSwap(service: SwapTokenURLProviderType) {
analyticsCoordinator.log(navigation: Analytics.Navigation.tokenSwap, properties: [Analytics.Properties.name.rawValue: service.analyticsName])
}
private func logExplorerUse(type: Analytics.ExplorerType) {
analyticsCoordinator.log(navigation: Analytics.Navigation.explorer, properties: [Analytics.Properties.type.rawValue: type.rawValue])
}
}
extension InCoordinator: ReplaceTransactionCoordinatorDelegate {
func didSendTransaction(_ transaction: SentTransaction, inCoordinator coordinator: ReplaceTransactionCoordinator) {
handlePendingTransaction(transaction: transaction)
}
func didFinish(_ result: ConfirmResult, in coordinator: ReplaceTransactionCoordinator) {
removeCoordinator(coordinator)
switch result {
case .sentTransaction(let transaction):
DispatchQueue.main.asyncAfter(deadline: .now() + 0.8) {
self.showTransactionSent(transaction: transaction)
}
case .sentRawTransaction, .signedTransaction:
break
}
}
}
extension InCoordinator: TokensDataStorePriceDelegate {
func updatePrice(forTokenDataStore tokensDataStore: TokensDataStore) {
fetchTokenPrices()
}
}
// swiftlint:enable file_length