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- Implement event loop. Should be started manually
1 parent 7f83ea2 commit cbca306

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5 files changed

+149
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‎web3swift.xcodeproj/project.pbxproj

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@@ -103,6 +103,7 @@
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81909D2F21885B2C007D2AE5 /* Web3+ERC721.swift in Sources */ = {isa = PBXBuildFile; fileRef = E2E94C5F217788E0005F54A0 /* Web3+ERC721.swift */; };
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81909D4A218864A8007D2AE5 /* EIP681.swift in Sources */ = {isa = PBXBuildFile; fileRef = 81A7B2862143DBF6004CD2C7 /* EIP681.swift */; };
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81909D4B218864A9007D2AE5 /* EIP681.swift in Sources */ = {isa = PBXBuildFile; fileRef = 81A7B2862143DBF6004CD2C7 /* EIP681.swift */; };
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81909D4F21887658007D2AE5 /* web3swift_Eventloop_Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 81909D4E21887658007D2AE5 /* web3swift_Eventloop_Tests.swift */; };
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81A1821520D5A2700016741F /* Promise+Web3+Eth+GetBalance.swift in Sources */ = {isa = PBXBuildFile; fileRef = 81A1821420D5A2700016741F /* Promise+Web3+Eth+GetBalance.swift */; };
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81A1821620D5A2700016741F /* Promise+Web3+Eth+GetBalance.swift in Sources */ = {isa = PBXBuildFile; fileRef = 81A1821420D5A2700016741F /* Promise+Web3+Eth+GetBalance.swift */; };
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81A1821A20D5A6F70016741F /* Promise+HttpProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = 81A1821720D5A3E70016741F /* Promise+HttpProvider.swift */; };
@@ -262,6 +263,7 @@
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81909D1421862D37007D2AE5 /* Web3+MutatingTransaction.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Web3+MutatingTransaction.swift"; sourceTree = "<group>"; };
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81909D1721862D5A007D2AE5 /* Web3+Eventloop.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Web3+Eventloop.swift"; sourceTree = "<group>"; };
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81909D2021884893007D2AE5 /* BigUInt+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "BigUInt+Extensions.swift"; sourceTree = "<group>"; };
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81909D4E21887658007D2AE5 /* web3swift_Eventloop_Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = web3swift_Eventloop_Tests.swift; sourceTree = "<group>"; };
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81A1821420D5A2700016741F /* Promise+Web3+Eth+GetBalance.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Promise+Web3+Eth+GetBalance.swift"; sourceTree = "<group>"; };
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81A1821720D5A3E70016741F /* Promise+HttpProvider.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Promise+HttpProvider.swift"; sourceTree = "<group>"; };
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81A1821C20D5C6C10016741F /* web3swift_promises_Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = web3swift_promises_Tests.swift; sourceTree = "<group>"; };
@@ -424,6 +426,7 @@
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1CD91B301FD769A6007BFB45 /* web3swiftTests */ = {
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isa = PBXGroup;
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children = (
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81909D4E21887658007D2AE5 /* web3swift_Eventloop_Tests.swift */,
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1CB8188F2160867700726CF8 /* key.json */,
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81A7B2892143DF1D004CD2C7 /* web3swift_EIP681_Tests.swift */,
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81A7B2782143C978004CD2C7 /* web3swift_ENS_Tests.swift */,
@@ -1093,6 +1096,7 @@
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81909D1F2187BD20007D2AE5 /* web3swift_numberFormattingUtil_Tests.swift in Sources */,
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81909D1E2187BC8B007D2AE5 /* web3swift_transactions_Tests.swift in Sources */,
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81909D2D218858EA007D2AE5 /* web3swift_ERC20_Class_Tests.swift in Sources */,
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81909D4F21887658007D2AE5 /* web3swift_Eventloop_Tests.swift in Sources */,
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);
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runOnlyForDeploymentPostprocessing = 0;
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};

‎web3swift/Web3/Classes/Web3+Eventloop.swift

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@@ -8,4 +8,89 @@ import Foundation
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extension web3.Eventloop {
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// @available(iOS 10.0, *)
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public func start(_ timeInterval: TimeInterval) {
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if self.timer != nil {
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self.timer!.suspend()
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self.timer = nil
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}
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let queue = self.web3.requestDispatcher.queue
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queue.async {
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self.timer = RepeatingTimer(timeInterval: timeInterval)
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self.timer?.eventHandler = self.runnable
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self.timer?.resume()
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}
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}
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public func stop() {
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if self.timer != nil {
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self.timer!.suspend()
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self.timer = nil
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}
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}
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@objc func runnable() {
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for prop in self.monitoredProperties {
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let queue = prop.queue
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let function = prop.calledFunction
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queue.async {
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function(self.web3)
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}
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}
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}
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}
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// Thank you https://medium.com/@danielgalasko/a-background-repeating-timer-in-swift-412cecfd2ef9
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class RepeatingTimer {
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let timeInterval: TimeInterval
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init(timeInterval: TimeInterval) {
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self.timeInterval = timeInterval
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}
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private lazy var timer: DispatchSourceTimer = {
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let t = DispatchSource.makeTimerSource()
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t.schedule(deadline: .now() + self.timeInterval, repeating: self.timeInterval)
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t.setEventHandler(handler: { [weak self] in
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self?.eventHandler?()
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})
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return t
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}()
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var eventHandler: (() -> Void)?
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private enum State {
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case suspended
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case resumed
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}
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private var state: State = .suspended
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deinit {
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timer.setEventHandler {}
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timer.cancel()
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/*
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If the timer is suspended, calling cancel without resuming
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triggers a crash. This is documented here https://forums.developer.apple.com/thread/15902
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*/
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resume()
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eventHandler = nil
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}
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func resume() {
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if state == .resumed {
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return
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}
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state = .resumed
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timer.resume()
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}
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func suspend() {
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if state == .suspended {
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return
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}
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state = .suspended
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timer.suspend()
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}
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}

‎web3swift/Web3/Classes/Web3+Instance.swift

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@@ -166,18 +166,19 @@ public class web3: Web3OptionsInheritable {
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}
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public class Eventloop: Web3OptionsInheritable {
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public typealias FunctionCall<T> = (web3) -> Result<T>
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public typealias EventLoopCall = (web3) -> Void
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public struct MonitoredProperty<T> {
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public struct MonitoredProperty {
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public var name: String
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public var calledFunction: FunctionCall<T>
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public var queue: DispatchQueue
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public var calledFunction: EventLoopCall
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}
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var provider:Web3Provider
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// weak var web3: web3?
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var web3: web3
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var timer: Promise<Void>?
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var monitoredProperties: [AnyObject] = [AnyObject]()
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var timer: RepeatingTimer? = nil
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var monitoredProperties: [MonitoredProperty] = [MonitoredProperty]()
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public var options: Web3Options {
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return self.web3.options
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}

‎web3swiftTests/web3swift_Eventloop_Tests.swift

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// web3swift
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//
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// Created by Alex Vlasov.
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// Copyright © 2018 Alex Vlasov. All rights reserved.
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//
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import XCTest
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import EthereumAddress
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@testable import web3swift_iOS
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class web3swift_Eventloop_Tests: XCTestCase {
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func testBasicEventLoop() {
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var ticksToWait = 10
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let expectation = self.expectation(description: "Waiting")
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func getBlockNumber(_ web3: web3) {
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do {
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let blockNumber = try web3.eth.getBlockNumber()
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print("Block number = " + String(blockNumber))
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ticksToWait = ticksToWait - 1
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if ticksToWait == 0 {
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expectation.fulfill()
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}
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} catch {
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print(error)
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}
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}
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let web3main = Web3.InfuraMainnetWeb3()
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let functionToCall: web3.Eventloop.EventLoopCall = getBlockNumber
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let monitoredProperty = web3.Eventloop.MonitoredProperty.init(name: "onNewBlock", queue: web3main.requestDispatcher.queue, calledFunction: functionToCall)
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web3main.eventLoop.monitoredProperties.append(monitoredProperty)
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web3main.eventLoop.start(1)
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waitForExpectations(timeout: 30, handler: nil)
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}
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}

‎web3swiftTests/web3swift_keystores_Tests.swift

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@@ -49,6 +49,22 @@ class web3swift_Keystores_tests: XCTestCase {
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XCTAssertNotNil(key)
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}
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func testV3keystoreSerialization() {
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let keystore = try! EthereumKeystoreV3(password: "");
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XCTAssertNotNil(keystore)
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let account = keystore!.addresses![0]
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let data = try! keystore!.serialize()
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let key = try! keystore!.UNSAFE_getPrivateKeyData(password: "", account: account)
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XCTAssertNotNil(key)
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let restored = EthereumKeystoreV3(data!)
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XCTAssertNotNil(restored)
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XCTAssertEqual(keystore!.addresses!.first!, restored!.addresses!.first!)
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let restoredKey = try! restored!.UNSAFE_getPrivateKeyData(password: "", account: account)
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XCTAssertNotNil(restoredKey)
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XCTAssertEqual(key, restoredKey)
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}
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func testNewBIP32keystore() {
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let mnemonic = try! BIP39.generateMnemonics(bitsOfEntropy: 256)!
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let keystore = try! BIP32Keystore(mnemonics: mnemonic, password: "", mnemonicsPassword: "")

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