[trello.com/c/vawidi4o] Replace lock mechanizm with @atomic property wrapper for SecretWalletsManager

Author: Lainaaa

Adamant/Services/SecretWalletsManager.swift

@@ -21,13 +21,11 @@ private extension AdamantSecretWalletsManager {
 final class AdamantSecretWalletsManager: SecretWalletsManagerProtocol {
     private let secretWalletsFactory: SecretWalletsFactory
 
-    private var state: SecretWalletsManagerStateProtocol
+    @Atomic private var state: SecretWalletsManagerStateProtocol
     var statePublisher = ObservableSender<SecretWalletsManagerStateProtocol>()
 
     var wallets: [WalletStoreServiceProtocol] { [state.regularWallet] + state.secretWallets }
 
-    private let lock = NSLock()
-    
     init(
         walletsStoreService: WalletStoreServiceProtocol,
         secretWalletsFactory: SecretWalletsFactory
@@ -42,16 +40,16 @@ final class AdamantSecretWalletsManager: SecretWalletsManagerProtocol {
     // MARK: - Manage state
     func createSecretWallet(withPassword password: String) {
         let wallet = secretWalletsFactory.makeSecretWallet(withPassword: password)
-        lock.lock()
-        defer { lock.unlock() }
-        state.secretWallets.append(wallet)
+        _state.mutate {
+            $0.secretWallets.append(wallet)
+        }
     }
 
     func removeSecretWallet(at index: Int) -> WalletStoreServiceProtocol? {
-        lock.lock()
-        defer { lock.unlock() }
         guard state.secretWallets.indices.contains(index) else { return nil }
-        return state.secretWallets.remove(at: index)
+        return _state.mutate {
+            return $0.secretWallets.remove(at: index)
+        }
     }
 
     func getCurrentWallet() -> WalletStoreServiceProtocol {
@@ -63,17 +61,17 @@ final class AdamantSecretWalletsManager: SecretWalletsManagerProtocol {
     }
 
     func activateSecretWallet(at index: Int) {
-        lock.lock()
-        defer { lock.unlock() }
         guard index < state.secretWallets.count else { return }
-        state.currentWallet = state.secretWallets[index]
+        _state.mutate {
+            $0.currentWallet = state.secretWallets[index]
+        }
         statePublisher.send(state)
     }
 
     func activateDefaultWallet() {
-        lock.lock()
-        defer { lock.unlock() }
-        state.currentWallet = state.regularWallet
+        _state.mutate {
+            $0.currentWallet = state.regularWallet
+        }
         statePublisher.send(state)
     }
 }