Merge pull request #668 from alpha-wallet/add-open-etherscan-button-for-erc20-token-cards

Add open etherscan button for erc20 token cards

AlphaWallet/InCoordinator.swift

@@ -50,12 +50,6 @@ class InCoordinator: Coordinator {
         }.first
     }
 
-    var tokensCardCoordinator: TokensCardCoordinator? {
-        return self.coordinators.compactMap {
-            $0 as? TokensCardCoordinator
-        }.first
-    }
-
     var tabBarController: UITabBarController? {
         return self.navigationController.viewControllers.first as? UITabBarController
     }

AlphaWallet/Transfer/Coordinators/PaymentCoordinator.swift

@@ -4,7 +4,7 @@ import Foundation
 import UIKit
 import TrustKeystore
 
-protocol PaymentCoordinatorDelegate: class {
+protocol PaymentCoordinatorDelegate: class, CanOpenURL {
     func didFinish(_ result: ConfirmResult, in coordinator: PaymentCoordinator)
     func didCancel(in coordinator: PaymentCoordinator)
 }
@@ -97,3 +97,17 @@ extension PaymentCoordinator: RequestCoordinatorDelegate {
         cancel()
     }
 }
+
+extension PaymentCoordinator: CanOpenURL {
+    func didPressViewContractWebPage(forContract contract: String, in viewController: UIViewController) {
+        delegate?.didPressViewContractWebPage(forContract: contract, in: viewController)
+    }
+
+    func didPressViewContractWebPage(_ url: URL, in viewController: UIViewController) {
+        delegate?.didPressViewContractWebPage(url, in: viewController)
+    }
+
+    func didPressOpenWebPage(_ url: URL, in viewController: UIViewController) {
+        delegate?.didPressOpenWebPage(url, in: viewController)
+    }
+}

AlphaWallet/Transfer/Coordinators/SendCoordinator.swift

@@ -5,7 +5,7 @@ import UIKit
 import BigInt
 import TrustKeystore
 
-protocol SendCoordinatorDelegate: class {
+protocol SendCoordinatorDelegate: class, CanOpenURL {
     func didFinish(_ result: ConfirmResult, in coordinator: SendCoordinator)
     func didCancel(in coordinator: SendCoordinator)
 }
@@ -120,3 +120,17 @@ extension SendCoordinator: SendViewControllerDelegate {
         navigationController.pushViewController(controller, animated: true)
     }
 }
+
+extension SendCoordinator: CanOpenURL {
+    func didPressViewContractWebPage(forContract contract: String, in viewController: UIViewController) {
+        delegate?.didPressViewContractWebPage(forContract: contract, in: viewController)
+    }
+
+    func didPressViewContractWebPage(_ url: URL, in viewController: UIViewController) {
+        delegate?.didPressViewContractWebPage(url, in: viewController)
+    }
+
+    func didPressOpenWebPage(_ url: URL, in viewController: UIViewController) {
+        delegate?.didPressOpenWebPage(url, in: viewController)
+    }
+}

AlphaWallet/Transfer/ViewControllers/SendViewController.swift

@@ -11,7 +11,7 @@ import BigInt
 import TrustKeystore
 import MBProgressHUD
 
-protocol SendViewControllerDelegate: class {
+protocol SendViewControllerDelegate: class, CanOpenURL {
     func didPressConfirm(
             transaction: UnconfirmedTransaction,
             transferType: TransferType,
@@ -19,7 +19,7 @@ protocol SendViewControllerDelegate: class {
     )
 }
 
-class SendViewController: UIViewController, CanScanQRCode {
+class SendViewController: UIViewController, CanScanQRCode, TokenVerifiableStatusViewController {
     let roundedBackground = RoundedBackground()
     let header = SendHeaderView()
     let targetAddressTextField = AddressTextField()
@@ -55,6 +55,25 @@ class SendViewController: UIViewController, CanScanQRCode {
     var balanceViewModel: BalanceBaseViewModel?
     weak var delegate: SendViewControllerDelegate?
 
+    let config: Config
+    var contract: String {
+        //Only ERC20 tokens are relevant here
+        switch transferType {
+        case .ERC20Token(let token):
+            return token.contract
+        case .ether:
+            return "0x"
+        case .dapp:
+            return "0x"
+        case .ERC875Token:
+            return "0x"
+        case .ERC875TokenOrder:
+            return "0x"
+        case .ERC721Token:
+            return "0x"
+        }
+    }
+
     let session: WalletSession
     let account: Account
     let transferType: TransferType
@@ -83,9 +102,14 @@ class SendViewController: UIViewController, CanScanQRCode {
         self.transferType = transferType
         self.storage = storage
         self.ethPrice = ethPrice
+        self.config = Config()
 
         super.init(nibName: nil, bundle: nil)
 
+        if case .ERC20Token = transferType {
+            updateNavigationRightBarButtons(isVerified: false, hasShowInfoButton: false)
+        }
+
         configureBalanceViewModel()
 
         roundedBackground.translatesAutoresizingMaskIntoConstraints = false
@@ -445,3 +469,12 @@ extension SendViewController: AddressTextFieldDelegate {
         return true
     }
 }
+
+extension SendViewController: VerifiableStatusViewController {
+    func showInfo() {
+    }
+
+    func showContractWebPage() {
+        delegate?.didPressViewContractWebPage(forContract: contract, in: self)
+    }
+}