nft loading optimization

Author: bnsports

Podfile

@@ -47,7 +47,7 @@ abstract_target 'fearlessAll' do
           pod 'SSFUtils', '0.1.21'
           pod 'SSFChainRegistry', '0.1.4'
           pod 'SSFHelpers', '0.1.7'
-          pod 'SSFCloudStorage'
+          pod 'SSFCloudStorage', '0.1.23'
           pod 'FearlessKeys'
       end
   end

Podfile.lock

@@ -146,7 +146,7 @@ PODS:
     - SSFNetwork
     - SSFRuntimeCodingService
     - SSFUtils
-  - SSFCloudStorage (0.1.15):
+  - SSFCloudStorage (0.1.23):
     - GoogleAPIClientForREST/Drive (~> 1.2.1)
     - GoogleSignIn (~> 7.0.0)
     - IrohaCrypto/Scrypt
@@ -262,7 +262,7 @@ DEPENDENCIES:
   - Sourcery (~> 1.4)
   - SSFChainConnection (= 0.1.4)
   - SSFChainRegistry (= 0.1.4)
-  - SSFCloudStorage
+  - SSFCloudStorage (= 0.1.23)
   - SSFCrypto (= 0.1.17)
   - SSFEraKit
   - SSFExtrinsicKit
@@ -283,7 +283,7 @@ DEPENDENCIES:
   - XNetworking (from `https://raw.githubusercontent.com/soramitsu/x-networking/0.0.37/AppCommonNetworking/XNetworking/XNetworking.podspec`)
 
 SPEC REPOS:
-  https://github.com/CocoaPods/Specs.git:
+  https://github.com/cocoapods/Specs.git:
     - AppAuth
     - BigInt
     - Charts
@@ -389,7 +389,7 @@ SPEC CHECKSUMS:
   Sourcery: 179539341c2261068528cd15a31837b7238fd901
   SSFChainConnection: 760f0bbe0d711cc0f184b951dea9e840a2962346
   SSFChainRegistry: adfcfa6f8e7dae4730e258989c2a58ee674bf1e1
-  SSFCloudStorage: 37fbba3ad3e93a637d9c1a9b85910f4fa29596de
+  SSFCloudStorage: c4123454b3084015ea8d88af92f51de79fce7f2c
   SSFCrypto: 7ea544e61213538744ef8fd075e5e4487b7cf502
   SSFEraKit: a6f2a8bdefcdfa3ad8ff8f48b242000ea50744cd
   SSFExtrinsicKit: f5ab32700622894d2e7a5fca254a3f659d3a6a9f
@@ -412,6 +412,6 @@ SPEC CHECKSUMS:
   XNetworking: 516d982bd74ff208222381d27e07052a5d897aaf
   xxHash-Swift: 30bd6a7507b3b7348a277c49b1cb6346c2905ec7
 
-PODFILE CHECKSUM: c4e802ef4df1a83d5af2e0466c71b18abb869ed5
+PODFILE CHECKSUM: e48910f49a08bcbc644297b13fa44bb24639860d
 
 COCOAPODS: 1.11.3

fearless/ApplicationLayer/Services/NFT/Ethereum/AlchemyNftFetchingService.swift

@@ -41,21 +41,20 @@ final class AlchemyNftFetchingService: BaseNftFetchingService {
             throw AddressFactoryError.unexpectedAddress
         }
 
-        return nil
-//        return try await withCheckedThrowingContinuation { continuation in
-//            let fetchNftsOperation = operationFactory.fetchNFTs(chain: chain, address: address)
-//
-//            fetchNftsOperation.targetOperation.completionBlock = {
-//                do {
-//                    let nfts = try fetchNftsOperation.targetOperation.extractNoCancellableResultData()
-//                    continuation.resume(with: .success(nfts))
-//                } catch {
-//                    continuation.resume(with: .failure(error))
-//                }
-//            }
-//
-//            self.operationQueue.addOperations(fetchNftsOperation.allOperations, waitUntilFinished: true)
-//        }
+        return try await withCheckedThrowingContinuation { continuation in
+            let fetchNftsOperation = operationFactory.fetchNFTs(chain: chain, address: address)
+
+            fetchNftsOperation.targetOperation.completionBlock = {
+                do {
+                    let nfts = try fetchNftsOperation.targetOperation.extractNoCancellableResultData()
+                    continuation.resume(with: .success(nfts))
+                } catch {
+                    continuation.resume(with: .failure(error))
+                }
+            }
+
+            self.operationQueue.addOperations(fetchNftsOperation.allOperations, waitUntilFinished: true)
+        }
     }
 }
 

fearless/Modules/NFT/MainNftContainer/MainNftContainerInteractor.swift

@@ -14,6 +14,7 @@ final class MainNftContainerInteractor {
     private let logger: LoggerProtocol
     private var wallet: MetaAccountModel
     private let eventCenter: EventCenterProtocol
+    private var isReady: Bool = false
 
     init(
         nftFetchingService: NFTFetchingServiceProtocol,
@@ -32,11 +33,24 @@ final class MainNftContainerInteractor {
 // MARK: - MainNftContainerInteractorInput
 
 extension MainNftContainerInteractor: MainNftContainerInteractorInput {
+    func initialSetup() {
+        let wasReady = isReady
+        isReady = true
+
+        if !wasReady {
+            fetchData()
+        }
+    }
+
     func setup(with output: MainNftContainerInteractorOutput) {
         self.output = output
     }
 
     func fetchData() {
+        guard isReady else {
+            return
+        }
+
         Task {
             do {
                 let nfts = try await nftFetchingService.fetchNfts(for: wallet)

fearless/Modules/NFT/MainNftContainer/MainNftContainerPresenter.swift

@@ -43,6 +43,10 @@ extension MainNftContainerPresenter: MainNftContainerViewOutput {
         interactor.fetchData()
     }
 
+    func viewAppeared() {
+        interactor.initialSetup()
+    }
+
     func didSelect(collection: NFTCollection) {
         guard let address = wallet.fetch(for: collection.chain.accountRequest())?.toAddress() else {
             return

fearless/Modules/NFT/MainNftContainer/MainNftContainerProtocols.swift

@@ -8,9 +8,11 @@ protocol MainNftContainerViewOutput: AnyObject {
     func didLoad(view: MainNftContainerViewInput)
     func didSelect(collection: NFTCollection)
     func didPullToRefresh()
+    func viewAppeared()
 }
 
 protocol MainNftContainerInteractorInput: AnyObject {
+    func initialSetup()
     func setup(with output: MainNftContainerInteractorOutput)
     func fetchData()
 }

fearless/Modules/NFT/MainNftContainer/MainNftContainerViewController.swift

@@ -45,6 +45,11 @@ final class MainNftContainerViewController: UIViewController, ViewHolder {
         }
     }
 
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        output.viewAppeared()
+    }
+
     // MARK: - Private methods
 
     @objc private func actionRefresh() {

fearless/Modules/NewWallet/ChainAssetList/ChainAssetListInteractor.swift

@@ -288,7 +288,11 @@ extension ChainAssetListInteractor: PriceLocalStorageSubscriber, PriceLocalSubsc
 }
 
 extension ChainAssetListInteractor: AccountInfoSubscriptionAdapterHandler {
-    func handleAccountInfo(result: Result<AccountInfo?, Error>, accountId _: AccountId, chainAsset: ChainAsset) {
+    func handleAccountInfo(result: Result<AccountInfo?, Error>, accountId: AccountId, chainAsset: ChainAsset) {
+        guard let selectedAccountId = wallet.fetch(for: chainAsset.chain.accountRequest())?.accountId, selectedAccountId == accountId else {
+            return
+        }
+
         output?.didReceiveAccountInfo(result: result, for: chainAsset)
     }
 }