220 lines
9.4 KiB
Swift
220 lines
9.4 KiB
Swift
//
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// CompactBlockProcessorTests.swift
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// ZcashLightClientKitTests
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//
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// Created by Francisco Gindre on 20/09/2019.
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// Copyright © 2019 Electric Coin Company. All rights reserved.
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//
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import XCTest
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@testable import TestUtils
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@testable import ZcashLightClientKit
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// swiftlint:disable force_try implicitly_unwrapped_optional
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class CompactBlockProcessorTests: XCTestCase {
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let processorConfig = CompactBlockProcessor.Configuration.standard(
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for: ZcashNetworkBuilder.network(for: .testnet),
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walletBirthday: ZcashNetworkBuilder.network(for: .testnet).constants.saplingActivationHeight
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)
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var processor: CompactBlockProcessor!
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var downloadStartedExpect: XCTestExpectation!
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var updatedNotificationExpectation: XCTestExpectation!
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var stopNotificationExpectation: XCTestExpectation!
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var startedScanningNotificationExpectation: XCTestExpectation!
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var startedValidatingNotificationExpectation: XCTestExpectation!
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var idleNotificationExpectation: XCTestExpectation!
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let network = ZcashNetworkBuilder.network(for: .testnet)
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let mockLatestHeight = ZcashNetworkBuilder.network(for: .testnet).constants.saplingActivationHeight + 2000
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override func setUpWithError() throws {
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try super.setUpWithError()
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logger = SampleLogger(logLevel: .debug)
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let service = MockLightWalletService(
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latestBlockHeight: mockLatestHeight,
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service: LightWalletGRPCService(endpoint: LightWalletEndpointBuilder.eccTestnet)
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)
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let branchID = try ZcashRustBackend.consensusBranchIdFor(height: Int32(mockLatestHeight), networkType: network.networkType)
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service.mockLightDInfo = LightdInfo.with({ info in
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info.blockHeight = UInt64(mockLatestHeight)
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info.branch = "asdf"
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info.buildDate = "today"
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info.buildUser = "testUser"
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info.chainName = "test"
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info.consensusBranchID = branchID.toString()
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info.estimatedHeight = UInt64(mockLatestHeight)
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info.saplingActivationHeight = UInt64(network.constants.saplingActivationHeight)
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})
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let storage = CompactBlockStorage.init(connectionProvider: SimpleConnectionProvider(path: processorConfig.cacheDb.absoluteString))
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try! storage.createTable()
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processor = CompactBlockProcessor(
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service: service,
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storage: storage,
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backend: ZcashRustBackend.self,
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config: processorConfig
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)
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let dbInit = try ZcashRustBackend.initDataDb(dbData: processorConfig.dataDb, seed: nil, networkType: .testnet)
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guard case .success = dbInit else {
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XCTFail("Failed to initDataDb. Expected `.success` got: \(dbInit)")
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return
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}
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downloadStartedExpect = XCTestExpectation(description: "\(self.description) downloadStartedExpect")
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stopNotificationExpectation = XCTestExpectation(description: "\(self.description) stopNotificationExpectation")
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updatedNotificationExpectation = XCTestExpectation(description: "\(self.description) updatedNotificationExpectation")
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startedValidatingNotificationExpectation = XCTestExpectation(
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description: "\(self.description) startedValidatingNotificationExpectation"
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)
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startedScanningNotificationExpectation = XCTestExpectation(
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description: "\(self.description) startedScanningNotificationExpectation"
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)
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idleNotificationExpectation = XCTestExpectation(description: "\(self.description) idleNotificationExpectation")
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NotificationCenter.default.addObserver(
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self,
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selector: #selector(processorFailed(_:)),
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name: Notification.Name.blockProcessorFailed,
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object: processor
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)
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}
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override func tearDown() {
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super.tearDown()
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try! FileManager.default.removeItem(at: processorConfig.cacheDb)
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try? FileManager.default.removeItem(at: processorConfig.dataDb)
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downloadStartedExpect.unsubscribeFromNotifications()
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stopNotificationExpectation.unsubscribeFromNotifications()
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updatedNotificationExpectation.unsubscribeFromNotifications()
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startedScanningNotificationExpectation.unsubscribeFromNotifications()
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startedValidatingNotificationExpectation.unsubscribeFromNotifications()
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idleNotificationExpectation.unsubscribeFromNotifications()
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NotificationCenter.default.removeObserver(self)
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}
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@objc func processorFailed(_ notification: Notification) {
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XCTAssertNotNil(notification.userInfo)
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if let error = notification.userInfo?["error"] {
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XCTFail("CompactBlockProcessor failed with Error: \(error)")
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} else {
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XCTFail("CompactBlockProcessor failed")
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}
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}
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private func startProcessing() {
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XCTAssertNotNil(processor)
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// Subscribe to notifications
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downloadStartedExpect.subscribe(to: Notification.Name.blockProcessorStartedDownloading, object: processor)
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stopNotificationExpectation.subscribe(to: Notification.Name.blockProcessorStopped, object: processor)
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updatedNotificationExpectation.subscribe(to: Notification.Name.blockProcessorUpdated, object: processor)
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startedValidatingNotificationExpectation.subscribe(to: Notification.Name.blockProcessorStartedValidating, object: processor)
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startedScanningNotificationExpectation.subscribe(to: Notification.Name.blockProcessorStartedScanning, object: processor)
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idleNotificationExpectation.subscribe(to: Notification.Name.blockProcessorFinished, object: processor)
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XCTAssertNoThrow(try processor.start())
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}
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func testStartNotifiesSuscriptors() {
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startProcessing()
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wait(
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for: [
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downloadStartedExpect,
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startedValidatingNotificationExpectation,
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startedScanningNotificationExpectation,
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idleNotificationExpectation
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],
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timeout: 30,
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enforceOrder: true
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)
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}
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func testProgressNotifications() {
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let expectedUpdates = expectedBatches(
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currentHeight: processorConfig.walletBirthday,
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targetHeight: mockLatestHeight,
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batchSize: processorConfig.downloadBatchSize
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)
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updatedNotificationExpectation.expectedFulfillmentCount = expectedUpdates
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startProcessing()
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wait(for: [updatedNotificationExpectation], timeout: 300)
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}
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private func expectedBatches(currentHeight: BlockHeight, targetHeight: BlockHeight, batchSize: Int) -> Int {
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(abs(currentHeight - targetHeight) / batchSize)
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}
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func testNextBatchBlockRange() {
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// test first range
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var latestDownloadedHeight = processorConfig.walletBirthday // this can be either this or Wallet Birthday.
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var latestBlockchainHeight = BlockHeight(network.constants.saplingActivationHeight + 1000)
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var expectedBatchRange = CompactBlockRange(uncheckedBounds: (lower: latestDownloadedHeight, upper:latestBlockchainHeight))
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XCTAssertEqual(
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expectedBatchRange,
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CompactBlockProcessor.nextBatchBlockRange(
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latestHeight: latestBlockchainHeight,
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latestDownloadedHeight: latestDownloadedHeight,
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walletBirthday: processorConfig.walletBirthday
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)
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)
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// Test mid-range
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latestDownloadedHeight = BlockHeight(network.constants.saplingActivationHeight + ZcashSDK.DefaultDownloadBatch)
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latestBlockchainHeight = BlockHeight(network.constants.saplingActivationHeight + 1000)
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expectedBatchRange = CompactBlockRange(uncheckedBounds: (lower: latestDownloadedHeight + 1, upper: latestBlockchainHeight))
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XCTAssertEqual(
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expectedBatchRange,
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CompactBlockProcessor.nextBatchBlockRange(
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latestHeight: latestBlockchainHeight,
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latestDownloadedHeight: latestDownloadedHeight,
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walletBirthday: processorConfig.walletBirthday
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)
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)
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// Test last batch range
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latestDownloadedHeight = BlockHeight(network.constants.saplingActivationHeight + 950)
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latestBlockchainHeight = BlockHeight(network.constants.saplingActivationHeight + 1000)
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expectedBatchRange = CompactBlockRange(uncheckedBounds: (lower: latestDownloadedHeight + 1, upper: latestBlockchainHeight))
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XCTAssertEqual(
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expectedBatchRange,
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CompactBlockProcessor.nextBatchBlockRange(
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latestHeight: latestBlockchainHeight,
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latestDownloadedHeight: latestDownloadedHeight,
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walletBirthday: processorConfig.walletBirthday
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)
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)
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}
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func testDetermineLowerBoundPastBirthday() {
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let errorHeight = 781_906
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let walletBirthday = 781_900
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let result = processor.determineLowerBound(errorHeight: errorHeight, consecutiveErrors: 1, walletBirthday: walletBirthday)
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let expected = 781_886
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XCTAssertEqual(result, expected)
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}
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func testDetermineLowerBound() {
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let errorHeight = 781_906
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let walletBirthday = 780_900
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let result = processor.determineLowerBound(errorHeight: errorHeight, consecutiveErrors: 0, walletBirthday: walletBirthday)
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let expected = 781_896
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XCTAssertEqual(result, expected)
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}
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}
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