add UEFA ropsten as a constant

AlphaWallet/Settings/Types/Constants.swift

@@ -55,6 +55,9 @@ public struct Constants {
     // FIFA hardcoded FIFA token address
     static let ticketContractAddress = AlphaWallet.Address(string: "0xA66A3F08068174e8F005112A8b2c7A507a822335")!
     static let ticketContractAddressRopsten = AlphaWallet.Address(string: "0xD8e5F58DE3933E1E35f9c65eb72cb188674624F3")!
+    
+    // UEFA hardcoded addresses
+    static let uefaRopsten = AlphaWallet.Address(string: "0x439bf1B20841Fa5498C3471C202F438147b7e447")!
 
     // Hardcoded discovery token address
     static let discoveryContractAddress = AlphaWallet.Address(string: "0x8c0edb69ebf038ba0c7a4873e40fc09725064c2e")!

AlphaWallet/Tokens/Coordinators/GetERC721ForTicketsBalanceCoordinator.swift

@@ -2,6 +2,7 @@
 
 import Foundation
 import Result
+import BigInt
 
 class GetERC721ForTicketsBalanceCoordinator {
     private let server: RPCServer
@@ -21,10 +22,10 @@ class GetERC721ForTicketsBalanceCoordinator {
     }
 
     private func adapt(_ values: Any?) -> [String] {
-        guard let array = values as? [Data] else { return [] }
+        guard let array = values as? [BigUInt] else { return [] }
         return array.map { each in
-            let value = each.toHexString()
+            let value = each.serialize().hex()
             return "0x\(value)"
         }
     }
-}
+}

AlphaWallet/Tokens/Coordinators/GetIsERC721ForTicketsContractCoordinator.swift

@@ -13,7 +13,7 @@ class GetIsERC721ForTicketsContractCoordinator {
     func getIsERC721ForTicketContract(for contract: AlphaWallet.Address, completion: @escaping (Result<Bool, AnyError>) -> Void) {
         //TODO check ERC165 interface hash
         //TODO update with production ready contract
-        let defaultTicketContract = Constants.ticketContractAddress 
+        let defaultTicketContract = Constants.uefaRopsten
         if contract.sameContract(as: defaultTicketContract) {
             completion(.success(true))
         } else {