Added Objective C support #192

Author: v57

Sources/ObjectiveC/Bridging.swift

@@ -0,0 +1,38 @@
+//
+//  Bridging.swift
+//  web3swift
+//
+//  Created by Dmitry on 09/11/2018.
+//  Copyright © 2018 Bankex Foundation. All rights reserved.
+//
+
+import Foundation
+
+public protocol SwiftBridgeable {
+    associatedtype SwiftType
+    var swift: SwiftType { get }
+}
+public protocol SwiftContainer: SwiftBridgeable {
+    init(_ swift: SwiftType)
+}
+
+//public extension _ObjectiveCBridgeable where _ObjectiveCType: SwiftBridgeable, _ObjectiveCType.SwiftType == Self {
+//    static func _forceBridgeFromObjectiveC(_ source: _ObjectiveCType, result: inout Self?) {
+//        result = source.swift
+//    }
+//
+//    static func _conditionallyBridgeFromObjectiveC(_ source: _ObjectiveCType, result: inout Self?) -> Bool {
+//        result = source.swift
+//        return true
+//    }
+//
+//    static func _unconditionallyBridgeFromObjectiveC(_ source: _ObjectiveCType?) -> Self {
+//        return source!.swift
+//    }
+//}
+
+//extension _ObjectiveCBridgeable {
+//    var objc: _ObjectiveCType {
+//        return _bridgeToObjectiveC()
+//    }
+//}

Sources/ObjectiveC/W3Contract.swift

@@ -0,0 +1,108 @@
+//
+//  W3Contract.swift
+//  web3swift
+//
+//  Created by Dmitry on 10/11/2018.
+//  Copyright © 2018 Bankex Foundation. All rights reserved.
+//
+
+import Foundation
+
+extension ContractV2.EventFilter {
+    public var objc: W3ContractEventFilter {
+        return W3ContractEventFilter(self)
+    }
+}
+@objc public class W3ContractEventFilter: NSObject, SwiftContainer {
+    public var swift: ContractV2.EventFilter
+    public required init(_ swift: ContractV2.EventFilter) {
+        self.swift = swift
+    }
+    
+    @objc public var parameterName: String {
+        get { return swift.parameterName }
+        set { swift.parameterName = newValue }
+    }
+    @objc public var parameterValues: [AnyObject] {
+        get { return swift.parameterValues }
+        set { swift.parameterValues = newValue }
+    }
+}
+@objc public class W3ContractParsedEvent: NSObject {
+    @objc public let eventName: String?
+    @objc public let eventData: [String: Any]?
+    init(eventName: String?, eventData: [String: Any]?) {
+        self.eventName = eventName
+        self.eventData = eventData
+    }
+}
+
+extension ContractProtocol {
+    public var objc: W3Contract {
+        return W3Contract(self as! ContractV2)
+    }
+}
+
+@objc public class W3Contract: NSObject, W3OptionsInheritable, SwiftContainer {
+    public var swift: ContractV2
+    var _swiftOptions: Web3Options {
+        get { return swift.options }
+        set { swift.options = newValue }
+    }
+    public required init(_ swift: ContractV2) {
+        self.swift = swift
+        super.init()
+        options = W3Options(object: self)
+    }
+    
+    @objc public var allEvents: [String] {
+        return swift.allEvents
+    }
+    
+    @objc public var allMethods: [String] {
+        return swift.allMethods
+    }
+    
+    @objc public var address: W3Address? {
+        get { return swift.address?.objc }
+        set { swift.address = newValue?.swift }
+    }
+    
+    @objc public var options: W3Options!
+    
+    @objc public init(_ abiString: String, at address: W3Address? = nil) throws {
+        swift = try ContractV2(abiString, at: address?.swift)
+    }
+    
+    @objc public func deploy(bytecode: Data, parameters: [Any], extraData: Data?, options: W3Options?) throws -> W3EthereumTransaction {
+        let extraData = extraData ?? Data()
+        return try swift.deploy(bytecode: bytecode, parameters: parameters, extraData: extraData, options: options?.swift).objc
+    }
+    
+    @objc public func method(_ method: String, parameters: [Any], extraData: Data?, options: W3Options?) throws -> W3EthereumTransaction {
+        let extraData = extraData ?? Data()
+        return try swift.method(method, parameters: parameters, extraData: extraData, options: options?.swift).objc
+    }
+    
+    @objc public func parseEvent(_ eventLog: W3EventLog) -> W3ContractParsedEvent {
+        let (name,data) = swift.parseEvent(eventLog.swift)
+        return W3ContractParsedEvent(eventName: name, eventData: data)
+    }
+    
+    @objc public func testBloomForEventPrecence(eventName: String, bloom: W3EthereumBloomFilter) -> Bool {
+        return swift.testBloomForEventPrecence(eventName: eventName, bloom: bloom.swift) ?? false
+    }
+    
+    @objc public func decodeReturnData(_ method: String, data: Data) -> [String: Any]? {
+        return swift.decodeReturnData(method, data: data)
+    }
+    
+    @objc public func decodeInputData(_ method: String, data: Data) -> [String: Any]? {
+        return swift.decodeInputData(method, data: data)
+    }
+    
+    @objc public func decodeInputData(_ data: Data) -> [String: Any]? {
+        return swift.decodeInputData(data)
+    }
+}
+