Remove build warnings

AlphaWallet/Activities/Coordinators/ActivitiesCoordinator.swift

@@ -121,7 +121,7 @@ class ActivitiesCoordinator: Coordinator {
             return (contract: eachContract, server: eachServer, xmlHandler: xmlHandler)
         }
 
-        let contractsAndCardsOptional: [[(tokenContract: AlphaWallet.Address, server: RPCServer, card: TokenScriptCard, interpolatedFilter: String)]] = contractServerXmlHandlers.flatMap { eachContract, eachServer, xmlHandler in
+        let contractsAndCardsOptional: [[(tokenContract: AlphaWallet.Address, server: RPCServer, card: TokenScriptCard, interpolatedFilter: String)]] = contractServerXmlHandlers.compactMap { eachContract, eachServer, xmlHandler in
             var contractAndCard: [(tokenContract: AlphaWallet.Address, server: RPCServer, card: TokenScriptCard, interpolatedFilter: String)] = .init()
             for card in xmlHandler.activityCards {
                 let (filterName, filterValue) = card.eventOrigin.eventFilter
@@ -367,7 +367,7 @@ extension ActivitiesCoordinator: TransactionDataCoordinatorDelegate {
         case .success(let items):
             transactions = items
             reloadViewController()
-        case .failure(let error):
+        case .failure:
             break
         }
     }

AlphaWallet/Activities/ViewModels/ActivitiesViewModel.swift

@@ -14,7 +14,7 @@ struct ActivitiesViewModel {
         var newItems: [String: NSMutableArray] = [:]
         for each in activities {
             let date = formatter.string(from: each.date)
-            var currentItems = newItems[date] ?? .init()
+            let currentItems = newItems[date] ?? .init()
             currentItems.add(each)
             newItems[date] = currentItems
         }

AlphaWallet/Activities/ViewModels/DefaultActivityCellViewModel.swift

@@ -116,7 +116,7 @@ struct DefaultActivityCellViewModel {
         case .erc20Sent, .erc20Received, .erc20OwnerApproved, .erc20ApprovalObtained, .nativeCryptoSent, .nativeCryptoReceived:
             if let value = cardAttributes["amount"]?.uintValue {
                 let formatter = EtherNumberFormatter.short
-                let value = formatter.string(from: BigInt(value) ?? BigInt(), decimals: activity.tokenObject.decimals)
+                let value = formatter.string(from: BigInt(value))
                 return "\(sign)\(value) \(activity.tokenObject.symbol)"
             } else {
                 return ""

AlphaWallet/Activities/ViewModels/DefaultActivityViewModel.swift

@@ -43,7 +43,7 @@ struct DefaultActivityViewModel {
         case .erc20Sent, .erc20Received, .erc20OwnerApproved, .erc20ApprovalObtained, .nativeCryptoSent, .nativeCryptoReceived:
             if let value = cardAttributes["amount"]?.uintValue {
                 let formatter = EtherNumberFormatter.short
-                let value = formatter.string(from: BigInt(value) ?? BigInt(), decimals: activity.tokenObject.decimals)
+                let value = formatter.string(from: BigInt(value))
                 return "\(sign)\(value) \(activity.tokenObject.symbol)"
             } else {
                 return ""

AlphaWallet/InCoordinator.swift

@@ -420,7 +420,6 @@ class InCoordinator: NSObject, Coordinator {
     }
 
     private func createActivityCoordinator() -> ActivitiesCoordinator {
-        let realm = self.realm(forAccount: wallet)
         let coordinator = ActivitiesCoordinator(
                 config: config,
                 sessions: walletSessions,

AlphaWallet/Settings/Types/Config.swift

@@ -199,7 +199,7 @@ extension Config {
     }
 
     func saveWalletName(_ walletName: String, forAddress address: AlphaWallet.Address) {
-        var walletName = walletName.trimmed
+        let walletName = walletName.trimmed
         guard !walletName.isEmpty else { return }
         var names = walletNames
         names[address] = walletName

AlphaWallet/Settings/ViewControllers/SettingsViewController.swift

@@ -119,9 +119,6 @@ class SettingsViewController: UIViewController {
             icon: row.icon)
         )
 
-        let serverToResolveEns = RPCServer.main
-        let address = account.address
-
         firstly {
             GetWalletNameCoordinator(config: config).getName(forAddress: account.address)
         }.done { [weak self] name in

AlphaWallet/TokenScriptClient/Models/AssetAttribute.swift

@@ -112,7 +112,7 @@ struct AssetAttribute {
                 } else {
                     originFound = nil
                 }
-            case .some(.function), .some(.userEntry), .some(.userEntry), .some(.tokenId), .none:
+            case .some(.function), .some(.userEntry), .some(.tokenId), .none:
                 originFound = possibleOrigin
             }
         }

AlphaWallet/TokenScriptClient/Models/TokenScriptFilterParser.swift

@@ -194,19 +194,13 @@ struct TokenScriptFilterParser {
             var buffer: [Character] = []
             var escapeBuffer: [Character]? = nil
             var wasPreviousEscapedCharacter = false
-            for (i, c) in expression.enumerated() {
-                let next: String?
-                if i + 1 < expression.count {
-                    next = expression[i + 1]
-                } else {
-                    next = nil
-                }
+            for (_, c) in expression.enumerated() {
                 let previous = buffer.last.flatMap { String($0) }
                 if c == escape && escapeBuffer == nil {
                     //start new escape
                     escapeBuffer = .init()
                     continue
-                } else if c == escape, var eb = escapeBuffer {
+                } else if c == escape, let eb = escapeBuffer {
                     if escapeBuffer.isEmpty {
                         //Invalid escape sequence with double backward slash (\\)
                         if !buffer.isEmpty {

AlphaWallet/TokenScriptClient/Models/XMLHandler.swift

@@ -309,7 +309,7 @@ private class PrivateXMLHandler {
             let (xml, hasValidTokenScriptFile) = PrivateXMLHandler.storeXmlAccordingToTokenScriptStatus(xmlString: xmlString, tokenScriptStatus: tokenScriptStatus)
             self.xml = xml
             self.hasValidTokenScriptFile = hasValidTokenScriptFile
-            if isBase ?? false {
+            if isBase {
                 self.server = .any
             } else {
                 self.server = PrivateXMLHandler.extractServer(fromXML: xml, xmlContext: xmlContext, matchingContract: contract).flatMap { .server($0) }
@@ -680,7 +680,7 @@ public class XMLHandler {
     }
 
     var tokenViewIconifiedHtml: (html: String, style: String) {
-        let (html: html, style: style) = privateXMLHandler.tokenViewIconifiedHtml
+        let (html: html, style: _) = privateXMLHandler.tokenViewIconifiedHtml
         if let baseXMLHandler = baseXMLHandler {
             if html.isEmpty {
                 return baseXMLHandler.tokenViewIconifiedHtml
@@ -693,7 +693,7 @@ public class XMLHandler {
     }
 
     var tokenViewHtml: (html: String, style: String) {
-        let (html: html, style: style) = privateXMLHandler.tokenViewHtml
+        let (html: html, style: _) = privateXMLHandler.tokenViewHtml
         if let baseXMLHandler = baseXMLHandler {
             if html.isEmpty {
                 return baseXMLHandler.tokenViewHtml

AlphaWallet/Tokens/Coordinators/GetContractInteractions.swift

@@ -10,7 +10,7 @@ import SwiftyJSON
 class GetContractInteractions {
 
     func getErc20Interactions(contractAddress: AlphaWallet.Address? = nil, address: AlphaWallet.Address, server: RPCServer, startBlock: Int? = nil, completion: @escaping ([Transaction]) -> Void) {
-        guard var etherscanURL = server.etherscanAPIURLForERC20TxList(for: address, startBlock: startBlock) else { return }
+        guard let etherscanURL = server.etherscanAPIURLForERC20TxList(for: address, startBlock: startBlock) else { return }
         Alamofire.request(etherscanURL).validate().responseJSON { response in
             switch response.result {
             case .success(let value):

AlphaWallet/Transactions/Coordinators/SingleChainTransactionEtherscanDataCoordinator.swift

@@ -84,7 +84,7 @@ class SingleChainTransactionEtherscanDataCoordinator: SingleChainTransactionData
                 server: session.server,
                 startBlock: startBlock
         ) { result in
-            if let maxBlockNumber = result.map { $0.blockNumber }.max() {
+            if let maxBlockNumber = result.map({ $0.blockNumber }).max() {
                 Config.setLastFetchedErc20InteractionBlockNumber(maxBlockNumber, server: self.session.server, wallet: wallet)
             }
             self.update(items: result)

AlphaWallet/Transactions/ViewModels/TransactionsViewModel.swift

@@ -14,7 +14,7 @@ struct TransactionsViewModel {
         var newItems: [String: NSMutableArray] = [:]
         for transaction in transactions {
             let date = formatter.string(from: transaction.date)
-            var currentItems = newItems[date] ?? .init()
+            let currentItems = newItems[date] ?? .init()
             currentItems.add(transaction)
             newItems[date] = currentItems
         }

AlphaWallet/UI/ButtonsBar.swift

@@ -142,7 +142,7 @@ class ButtonsBarBackgroundView: UIView {
     }
 }
 
-@objc class ButtonsBar: UIView {
+class ButtonsBar: UIView {
     static let buttonsHeight = CGFloat(ScreenChecker().isNarrowScreen ? 38 : 48)
     //A gap so it doesn't stick to the bottom of devices without a bottom safe area
     static let marginAtBottomScreen = CGFloat(3)