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- update onramp screen to rely on model - add logic to generate urls for each service
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| // | ||
| // OnrampViewModel.swift | ||
| // Kukai Mobile | ||
| // | ||
| // Created by Simon Mcloughlin on 23/01/2024. | ||
| // | ||
|
|
||
| import UIKit | ||
| import KukaiCoreSwift | ||
|
|
||
| public struct OnrampOption: Codable, Hashable { | ||
| let title: String | ||
| let subtitle: String | ||
| let imageName: String | ||
| let key: String | ||
| } | ||
|
|
||
| class OnrampViewModel: ViewModel, UITableViewDiffableDataSourceHandler { | ||
|
|
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| typealias SectionEnum = Int | ||
| typealias CellDataType = AnyHashable | ||
|
|
||
| var dataSource: UITableViewDiffableDataSource<Int, AnyHashable>? = nil | ||
| var ramps: [OnrampOption] = [] | ||
|
|
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| func makeDataSource(withTableView tableView: UITableView) { | ||
|
|
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| dataSource = UITableViewDiffableDataSource(tableView: tableView, cellProvider: { tableView, indexPath, item in | ||
|
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| if let obj = item as? OnrampOption, let cell = tableView.dequeueReusableCell(withIdentifier: "TitleSubtitleImageContainerCell", for: indexPath) as? TitleSubtitleImageContainerCell { | ||
| cell.iconView.image = UIImage(named: obj.imageName) | ||
| cell.titleLabel.text = obj.title | ||
| cell.subtitleLabel.text = obj.subtitle | ||
| return cell | ||
|
|
||
| } else { | ||
| return UITableViewCell() | ||
| } | ||
| }) | ||
|
|
||
| dataSource?.defaultRowAnimation = .fade | ||
| } | ||
|
|
||
| func refresh(animate: Bool, successMessage: String? = nil) { | ||
| guard let ds = dataSource else { | ||
| state = .failure(KukaiError.internalApplicationError(error: ViewModelError.dataSourceNotCreated), "Unable to process data at this time") | ||
| return | ||
| } | ||
|
|
||
| // Build snapshot | ||
| var snapshot = NSDiffableDataSourceSnapshot<Int, AnyHashable>() | ||
| snapshot.appendSections([0]) | ||
|
|
||
| snapshot.appendItems([ | ||
| OnrampOption(title: "Coinbase", subtitle: "Transfer from Coinbase", imageName: "coinbase", key: "coinbase"), | ||
| OnrampOption(title: "Transak", subtitle: "Bank transfers & local payment methods in 120+ countries", imageName: "transak", key: "transak"), | ||
| OnrampOption(title: "Moonpay", subtitle: "Cards & banks transfers", imageName: "moonpay", key: "moonpay") | ||
| ], toSection: 0) | ||
|
|
||
| ds.applySnapshotUsingReloadData(snapshot) | ||
|
|
||
| self.state = .success(nil) | ||
| } | ||
|
|
||
| public func url(forIndexPath indexPath: IndexPath, completion: @escaping ((Result<URL, KukaiError>) -> Void)) { | ||
| guard let ramp = dataSource?.itemIdentifier(for: indexPath) as? OnrampOption, let currentAddress = DependencyManager.shared.selectedWalletAddress else { | ||
| completion(Result.failure(KukaiError.unknown())) | ||
| return | ||
| } | ||
|
|
||
| var baseURLString = "" | ||
| switch ramp.key { | ||
| case "coinbase": | ||
| baseURLString = "https://pay.coinbase.com" | ||
| buildCoinbaseURL(withBaseURL: baseURLString, andAddress: currentAddress, completion: completion) | ||
|
|
||
| case "transak": | ||
| baseURLString = "https://global.transak.com" | ||
| buildTransakURL(withBaseURL: baseURLString, andAddress: currentAddress, completion: completion) | ||
|
|
||
| case "moonpay": | ||
| baseURLString = "https://buy.moonpay.com" | ||
| signMoonPayUrl(withBaseURL: baseURLString, andAddress: currentAddress, completion: completion) | ||
|
|
||
| default: | ||
| completion(Result.failure(KukaiError.unknown())) | ||
| } | ||
|
|
||
| } | ||
|
|
||
| private func buildCoinbaseURL(withBaseURL: String, andAddress address: String, completion: @escaping ((Result<URL, KukaiError>) -> Void)) { | ||
| let appID = "aa41d510-15f9-4426-87bd-3a506b6e22c0" | ||
| let walletData: [[String: Any]] = [ | ||
| [ | ||
| "address": address, | ||
| "blockchains": [ "tezos" ] | ||
| ] | ||
| ] | ||
|
|
||
| guard let jsonData = try? JSONSerialization.data(withJSONObject: walletData), | ||
| let jsonString = String(data: jsonData, encoding: .utf8), | ||
| let url = URL(string: "\(withBaseURL)/buy/select-asset?appId=\(appID)&destinationWallets=\(jsonString)") else { | ||
| completion(Result.failure(KukaiError.unknown())) | ||
| return | ||
| } | ||
|
|
||
| completion(Result.success(url)) | ||
| } | ||
|
|
||
| private func buildTransakURL(withBaseURL: String, andAddress address: String, completion: @escaping ((Result<URL, KukaiError>) -> Void)) { | ||
| let apiKey = "f1336570-699b-4181-9bd1-cdd57206981f" // "3b0e81f3-37dc-41f3-9837-bd8d2c350313" : "f1336570-699b-4181-9bd1-cdd57206981f" | ||
| let walletData: [String: Any] = [ | ||
| "coins": [ | ||
| "XTZ": [ address ] | ||
| ] | ||
| ] | ||
|
|
||
| guard let jsonData = try? JSONSerialization.data(withJSONObject: walletData), | ||
| let jsonString = String(data: jsonData, encoding: .utf8), | ||
| let url = URL(string: "\(withBaseURL)?apiKey=\(apiKey)&cryptoCurrencyCode=XTZ&walletAddressesData=\(jsonString)&disableWalletAddressForm=true") else { | ||
| completion(Result.failure(KukaiError.unknown())) | ||
| return | ||
| } | ||
|
|
||
| completion(Result.success(url)) | ||
| } | ||
|
|
||
| private func signMoonPayUrl(withBaseURL: String, andAddress address: String, completion: @escaping ((Result<URL, KukaiError>) -> Void)) { | ||
| guard address.prefix(2).lowercased() == "tz", let kukaiServiceURL = URL(string: "https://utils.kukai.network/moonpay/sign") else { | ||
| completion(Result.failure(KukaiError.unknown())) | ||
| return | ||
| } | ||
|
|
||
| let key = "pk_live_rP9HlBRO54nY4QKLxc6ONl4Prrm6vymK" // "pk_test_M23P0Zc5SvBORSFV63sfWKi7n5QbGZR" : "pk_live_rP9HlBRO54nY4QKLxc6ONl4Prrm6vymK" | ||
| var query = "?apiKey=\(key)&colorCode=%237178E3¤cyCode=xtz&walletAddress=\(address)" | ||
|
|
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| let params: [String: Any] = [ | ||
| "dev": false, | ||
| "url": query | ||
| ] | ||
|
|
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| let data = try? JSONSerialization.data(withJSONObject: params) | ||
| DependencyManager.shared.tezosNodeClient.networkService.request(url: kukaiServiceURL, isPOST: true, withBody: data, forReturnType: Data.self) { result in | ||
| guard let res = try? result.get(), let sigString = String(data: res, encoding: .utf8), let sanitised = sigString.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) else { | ||
| completion(Result.failure(result.getFailure())) | ||
| return | ||
| } | ||
|
|
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| query += "&signature=\(sanitised))" | ||
|
|
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| if let url = URL(string: "\(withBaseURL)\(query)") { | ||
| completion(Result.success(url)) | ||
| } else { | ||
| completion(Result.failure(KukaiError.unknown())) | ||
| } | ||
| } | ||
| } | ||
| } |