Michael Scoff
7 years ago
parent
ed67ab5da2
commit
7eaa8655e4
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// Copyright SIX DAY LLC. All rights reserved. |
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import Foundation |
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import UIKit |
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import TrustKeystore |
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import CryptoSwift |
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protocol SignMessageCoordinatorDelegate: class { |
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func didSignMesage(message: String, in coordinator: SignMessageCoordinator) |
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func didError(error: Error, in coordinator: SignMessageCoordinator) |
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func didCancel(in coordinator: SignMessageCoordinator) |
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} |
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class SignMessageCoordinator: Coordinator { |
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var coordinators: [Coordinator] = [] |
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let navigationController: UINavigationController |
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let keystore: Keystore |
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let account: Account |
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weak var delegate: SignMessageCoordinatorDelegate? |
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init( |
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navigationController: UINavigationController, |
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keystore: Keystore, |
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account: Account |
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) { |
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self.navigationController = navigationController |
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self.keystore = keystore |
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self.account = account |
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} |
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func start(with message: String) { |
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let alertController = makeAlertController(message: message) |
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navigationController.present(alertController, animated: true, completion: nil) |
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} |
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private func makeAlertController(message: String) -> UIAlertController { |
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let alertController = UIAlertController( |
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title: NSLocalizedString("", value: "Confirm signing this message:", comment: ""), |
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message: message, |
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preferredStyle: .alert |
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) |
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let signAction = UIAlertAction( |
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title: NSLocalizedString("OK", value: "OK", comment: ""), |
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style: .default |
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) { [weak self] _ in |
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guard let `self` = self else { return } |
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self.handleSignedMessage(message: message) |
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} |
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let cancelAction = UIAlertAction(title: NSLocalizedString("Cancel", value: "Cancel", comment: ""), style: .cancel) { [weak self] _ in |
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guard let `self` = self else { return } |
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self.delegate?.didCancel(in: self) |
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} |
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alertController.addAction(signAction) |
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alertController.addAction(cancelAction) |
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return alertController |
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} |
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private func handleSignedMessage(message: String) { |
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let result = self.keystore.signMessage(message: message, account: self.account) |
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switch result { |
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case .success(let data): |
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delegate?.didSignMesage(message: data.toHexString(), in: self) |
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case .failure(let error): |
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delegate?.didError(error: error, in: self) |
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} |
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} |
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} |
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