480 lines
16 KiB
Swift
480 lines
16 KiB
Swift
//
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// WrappedSDKSynchronizer.swift
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// secant-testnet
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//
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// Created by Lukáš Korba on 13.04.2022.
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//
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import Foundation
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import ZcashLightClientKit
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import Combine
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import ComposableArchitecture
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enum WrappedSDKSynchronizerState: Equatable {
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case unknown
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case transactionsUpdated
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case started
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case progressUpdated
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case statusWillUpdate
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case synced
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case stopped
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case disconnected
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case syncing
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case downloading
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case validating
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case scanning
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case enhancing
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case fetching
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case minedTransaction
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case foundTransactions
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case failed
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case connectionStateChanged
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}
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struct Balance: WalletBalance, Equatable {
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var verified: Int64
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var total: Int64
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}
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protocol WrappedSDKSynchronizer {
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var synchronizer: SDKSynchronizer? { get }
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var stateChanged: CurrentValueSubject<WrappedSDKSynchronizerState, Never> { get }
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var notificationCenter: WrappedNotificationCenter { get }
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func prepareWith(initializer: Initializer) throws
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func start(retry: Bool) throws
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func stop()
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func status() -> String
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func getShieldedBalance() -> Effect<Balance, Never>
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func getAllClearedTransactions() -> Effect<[TransactionState], Never>
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func getAllPendingTransactions() -> Effect<[TransactionState], Never>
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func getAllTransactions() -> Effect<[TransactionState], Never>
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func getTransparentAddress(account: Int) -> TransparentAddress?
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func getShieldedAddress(account: Int) -> SaplingShieldedAddress?
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func sendTransaction(
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with spendingKey: String,
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zatoshi: Int64,
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to recipientAddress: String,
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memo: String?,
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from account: Int
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) -> Effect<Result<TransactionState, NSError>, Never>
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}
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extension WrappedSDKSynchronizer {
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func start() throws {
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try start(retry: false)
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}
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func getTransparentAddress() -> TransparentAddress? {
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getTransparentAddress(account: 0)
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}
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func getShieldedAddress() -> SaplingShieldedAddress? {
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getShieldedAddress(account: 0)
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}
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}
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class LiveWrappedSDKSynchronizer: WrappedSDKSynchronizer {
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private var cancellables: [AnyCancellable] = []
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private(set) var synchronizer: SDKSynchronizer?
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private(set) var stateChanged: CurrentValueSubject<WrappedSDKSynchronizerState, Never>
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private(set) var notificationCenter: WrappedNotificationCenter
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init(notificationCenter: WrappedNotificationCenter = .live) {
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self.notificationCenter = notificationCenter
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self.stateChanged = CurrentValueSubject<WrappedSDKSynchronizerState, Never>(.unknown)
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}
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deinit {
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synchronizer?.stop()
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}
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func prepareWith(initializer: Initializer) throws {
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synchronizer = try SDKSynchronizer(initializer: initializer)
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notificationCenter.publisherFor(.synchronizerStarted)?
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.receive(on: DispatchQueue.main)
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.sink { [weak self] _ in self?.synchronizerStarted() }
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.store(in: &cancellables)
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notificationCenter.publisherFor(.synchronizerSynced)?
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.receive(on: DispatchQueue.main)
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.sink { [weak self] _ in self?.synchronizerSynced() }
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.store(in: &cancellables)
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notificationCenter.publisherFor(.synchronizerProgressUpdated)?
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.receive(on: DispatchQueue.main)
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.sink { [weak self] _ in self?.synchronizerProgressUpdated() }
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.store(in: &cancellables)
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notificationCenter.publisherFor(.synchronizerStopped)?
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.receive(on: DispatchQueue.main)
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.sink { [weak self] _ in self?.synchronizerStopped() }
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.store(in: &cancellables)
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try synchronizer?.prepare()
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}
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func start(retry: Bool) throws {
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try synchronizer?.start(retry: retry)
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}
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func stop() {
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synchronizer?.stop()
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}
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func synchronizerStarted() {
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stateChanged.send(.started)
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}
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func synchronizerSynced() {
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stateChanged.send(.synced)
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}
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func synchronizerProgressUpdated() {
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stateChanged.send(.progressUpdated)
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}
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func synchronizerStopped() {
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stateChanged.send(.stopped)
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}
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func status() -> String {
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guard let synchronizer = synchronizer else {
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return ""
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}
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return SDKSynchronizer.textFor(state: synchronizer.status)
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}
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func getShieldedBalance() -> Effect<Balance, Never> {
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if let shieldedVerifiedBalance = synchronizer?.getShieldedVerifiedBalance(),
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let shieldedTotalBalance = synchronizer?.getShieldedBalance(accountIndex: 0) {
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return Effect(value: Balance(verified: shieldedVerifiedBalance, total: shieldedTotalBalance))
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}
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return .none
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}
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func getAllClearedTransactions() -> Effect<[TransactionState], Never> {
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if let clearedTransactions = try? synchronizer?.allClearedTransactions() {
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return Effect(value: clearedTransactions.map {
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TransactionState.init(confirmedTransaction: $0, sent: ($0.toAddress != nil))
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})
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}
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return .none
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}
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func getAllPendingTransactions() -> Effect<[TransactionState], Never> {
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if let pendingTransactions = try? synchronizer?.allPendingTransactions(),
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let syncedBlockHeight = synchronizer?.latestScannedHeight {
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return Effect(value: pendingTransactions.map {
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// TODO: - can we initialize it with latestBlockHeight: = nil?
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TransactionState.init(pendingTransaction: $0, latestBlockHeight: syncedBlockHeight)
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})
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}
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return .none
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}
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func getAllTransactions() -> Effect<[TransactionState], Never> {
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if let pendingTransactions = try? synchronizer?.allPendingTransactions(),
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let clearedTransactions = try? synchronizer?.allClearedTransactions(),
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let syncedBlockHeight = synchronizer?.latestScannedHeight {
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let clearedTxs = clearedTransactions.map {
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TransactionState.init(confirmedTransaction: $0, sent: ($0.toAddress != nil))
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}
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let pendingTxs = pendingTransactions.map {
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TransactionState.init(pendingTransaction: $0, latestBlockHeight: syncedBlockHeight)
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}
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let txs = clearedTxs.filter { cleared in
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pendingTxs.first { pending in
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pending.id == cleared.id
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} == nil
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}
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return .merge(
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Effect(value: txs),
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Effect(value: pendingTxs)
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)
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.flatMap(Publishers.Sequence.init(sequence:))
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.collect()
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.eraseToEffect()
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}
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return .none
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}
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func getTransparentAddress(account: Int) -> TransparentAddress? {
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synchronizer?.getTransparentAddress(accountIndex: account)
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}
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func getShieldedAddress(account: Int) -> SaplingShieldedAddress? {
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synchronizer?.getShieldedAddress(accountIndex: account)
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}
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func sendTransaction(
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with spendingKey: String,
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zatoshi: Int64,
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to recipientAddress: String,
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memo: String?,
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from account: Int
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) -> Effect<Result<TransactionState, NSError>, Never> {
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Deferred {
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Future { [weak self] promise in
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self?.synchronizer?.sendToAddress(
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spendingKey: spendingKey,
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zatoshi: zatoshi,
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toAddress: recipientAddress,
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memo: memo,
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from: account) { result in
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switch result {
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case .failure(let error as NSError):
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promise(.failure(error))
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case .success(let pendingTx):
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promise(.success(TransactionState(pendingTransaction: pendingTx)))
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}
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}
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}
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}
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.mapError { $0 as NSError }
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.catchToEffect()
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}
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}
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class MockWrappedSDKSynchronizer: WrappedSDKSynchronizer {
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private var cancellables: [AnyCancellable] = []
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private(set) var synchronizer: SDKSynchronizer?
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private(set) var stateChanged: CurrentValueSubject<WrappedSDKSynchronizerState, Never>
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private(set) var notificationCenter: WrappedNotificationCenter
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init(notificationCenter: WrappedNotificationCenter = .mock) {
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self.notificationCenter = notificationCenter
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self.stateChanged = CurrentValueSubject<WrappedSDKSynchronizerState, Never>(.unknown)
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}
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deinit {
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synchronizer?.stop()
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}
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func prepareWith(initializer: Initializer) throws {
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synchronizer = try SDKSynchronizer(initializer: initializer)
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NotificationCenter.default.publisher(for: .synchronizerSynced)
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.receive(on: DispatchQueue.main)
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.sink(receiveValue: { [weak self] _ in
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self?.synchronizerSynced()
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})
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.store(in: &cancellables)
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try synchronizer?.prepare()
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}
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func start(retry: Bool) throws {
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try synchronizer?.start(retry: retry)
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}
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func stop() {
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synchronizer?.stop()
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}
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func synchronizerSynced() {
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stateChanged.send(.synced)
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}
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func status() -> String {
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guard let synchronizer = synchronizer else {
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return ""
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}
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return SDKSynchronizer.textFor(state: synchronizer.status)
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}
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func getShieldedBalance() -> Effect<Balance, Never> {
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return Effect(value: Balance(verified: 12345000, total: 12345000))
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}
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func getAllClearedTransactions() -> Effect<[TransactionState], Never> {
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let mocked: [TransactionStateMockHelper] = [
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TransactionStateMockHelper(date: 1651039202, amount: 1, status: .paid(success: false)),
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TransactionStateMockHelper(date: 1651039101, amount: 2),
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TransactionStateMockHelper(date: 1651039000, amount: 3, status: .paid(success: true)),
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TransactionStateMockHelper(date: 1651039505, amount: 4),
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TransactionStateMockHelper(date: 1651039404, amount: 5)
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]
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return Effect(
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value:
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mocked.map {
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TransactionState.placeholder(
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date: Date.init(timeIntervalSince1970: $0.date),
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amount: $0.amount,
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shielded: $0.shielded,
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status: $0.status,
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subtitle: $0.subtitle
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)
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}
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)
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}
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func getAllPendingTransactions() -> Effect<[TransactionState], Never> {
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let mocked: [TransactionStateMockHelper] = [
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TransactionStateMockHelper(date: 1651039606, amount: 6, status: .paid(success: false), subtitle: "pending"),
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TransactionStateMockHelper(date: 1651039303, amount: 7, subtitle: "pending"),
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TransactionStateMockHelper(date: 1651039707, amount: 8, status: .paid(success: true), subtitle: "pending"),
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TransactionStateMockHelper(date: 1651039808, amount: 9, subtitle: "pending")
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]
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return Effect(
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value:
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mocked.map {
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TransactionState.placeholder(
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date: Date.init(timeIntervalSince1970: $0.date),
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amount: $0.amount,
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shielded: $0.shielded,
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status: $0.status,
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subtitle: $0.subtitle
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)
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}
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)
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}
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func getAllTransactions() -> Effect<[TransactionState], Never> {
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return .merge(
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getAllClearedTransactions(),
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getAllPendingTransactions()
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)
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.flatMap(Publishers.Sequence.init(sequence:))
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.collect()
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.eraseToEffect()
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}
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func getTransparentAddress(account: Int) -> TransparentAddress? { nil }
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func getShieldedAddress(account: Int) -> SaplingShieldedAddress? { nil }
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func sendTransaction(
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with spendingKey: String,
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zatoshi: Int64,
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to recipientAddress: String,
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memo: String?,
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from account: Int
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) -> Effect<Result<TransactionState, NSError>, Never> {
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let transactionState = TransactionState(
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expirationHeight: 40,
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memo: "test",
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minedHeight: 50,
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shielded: true,
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zAddress: "tteafadlamnelkqe",
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date: Date.init(timeIntervalSince1970: 1234567),
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id: "id",
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status: .paid(success: true),
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subtitle: "sub",
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zecAmount: 10
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)
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return Effect(value: Result.success(transactionState))
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}
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}
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class TestWrappedSDKSynchronizer: WrappedSDKSynchronizer {
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private(set) var synchronizer: SDKSynchronizer?
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private(set) var stateChanged: CurrentValueSubject<WrappedSDKSynchronizerState, Never>
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private(set) var notificationCenter: WrappedNotificationCenter
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init(notificationCenter: WrappedNotificationCenter = .mock) {
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self.notificationCenter = notificationCenter
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self.stateChanged = CurrentValueSubject<WrappedSDKSynchronizerState, Never>(.unknown)
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}
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func prepareWith(initializer: Initializer) throws { }
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func start(retry: Bool) throws { }
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func stop() { }
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func synchronizerSynced() { }
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func status() -> String { "" }
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func getShieldedBalance() -> Effect<Balance, Never> {
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return .none
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}
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func getAllClearedTransactions() -> Effect<[TransactionState], Never> {
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let mocked: [TransactionStateMockHelper] = [
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TransactionStateMockHelper(date: 1651039202, amount: 1, status: .paid(success: false), uuid: "aa11"),
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TransactionStateMockHelper(date: 1651039101, amount: 2, uuid: "bb22"),
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TransactionStateMockHelper(date: 1651039000, amount: 3, status: .paid(success: true), uuid: "cc33"),
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TransactionStateMockHelper(date: 1651039505, amount: 4, uuid: "dd44"),
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TransactionStateMockHelper(date: 1651039404, amount: 5, uuid: "ee55")
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]
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return Effect(
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value:
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mocked.map {
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TransactionState.placeholder(
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date: Date.init(timeIntervalSince1970: $0.date),
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amount: $0.amount,
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shielded: $0.shielded,
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status: $0.status,
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subtitle: $0.subtitle,
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uuid: $0.uuid
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)
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}
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)
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}
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func getAllPendingTransactions() -> Effect<[TransactionState], Never> {
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let mocked: [TransactionStateMockHelper] = [
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TransactionStateMockHelper(date: 1651039606, amount: 6, status: .paid(success: false), subtitle: "pending", uuid: "ff66"),
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TransactionStateMockHelper(date: 1651039303, amount: 7, subtitle: "pending", uuid: "gg77"),
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TransactionStateMockHelper(date: 1651039707, amount: 8, status: .paid(success: true), subtitle: "pending", uuid: "hh88"),
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TransactionStateMockHelper(date: 1651039808, amount: 9, subtitle: "pending", uuid: "ii99")
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]
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return Effect(
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value:
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mocked.map {
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TransactionState.placeholder(
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date: Date.init(timeIntervalSince1970: $0.date),
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amount: $0.amount,
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shielded: $0.shielded,
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status: $0.status,
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subtitle: $0.subtitle,
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uuid: $0.uuid
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)
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}
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)
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}
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func getAllTransactions() -> Effect<[TransactionState], Never> {
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return .merge(
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getAllClearedTransactions(),
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getAllPendingTransactions()
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)
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.flatMap(Publishers.Sequence.init(sequence:))
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.collect()
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.eraseToEffect()
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}
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func getTransparentAddress(account: Int) -> TransparentAddress? { nil }
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func getShieldedAddress(account: Int) -> SaplingShieldedAddress? { nil }
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func sendTransaction(
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with spendingKey: String,
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zatoshi: Int64,
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to recipientAddress: String,
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memo: String?,
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from account: Int
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) -> Effect<Result<TransactionState, NSError>, Never> {
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return Effect(value: Result.failure(SynchronizerError.criticalError as NSError))
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}
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}
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