Swap XMR and XRP through kyc.rip without leaving the app

apps/ios/Koins/Support/WalletStore.swift

@@ -81,6 +81,31 @@ enum WalletStore {
     defaults.set(data, forKey: cacheKey(chain))
   }
 
+  // MARK: - Swap orders (kyc.rip)
+
+  private static let swapOrdersKey = "koins.swapOrders"
+
+  static func swapOrders() -> [SwapOrder] {
+    guard let data = defaults.data(forKey: swapOrdersKey),
+          let orders = try? JSONDecoder().decode([SwapOrder].self, from: data) else { return [] }
+    return orders
+  }
+
+  static func saveSwapOrder(_ order: SwapOrder) {
+    var orders = swapOrders()
+    orders.removeAll { $0.id == order.id }
+    orders.insert(order, at: 0)
+    guard let data = try? JSONEncoder().encode(orders) else { return }
+    defaults.set(data, forKey: swapOrdersKey)
+  }
+
+  static func removeSwapOrder(id: String) {
+    var orders = swapOrders()
+    orders.removeAll { $0.id == id }
+    guard let data = try? JSONEncoder().encode(orders) else { return }
+    defaults.set(data, forKey: swapOrdersKey)
+  }
+
   static func secret(_ chain: Chain) -> String? {
     Keychain.get(secretKey(chain))
   }