[trello.com/c/XEj672SB] feat: replaced request to check exist account

Author: StanislavDevIOS

Adamant/Modules/Wallets/Lisk/LskTransferViewController.swift

@@ -44,8 +44,9 @@ final class LskTransferViewController: TransferViewControllerBase {
                 return
             }
 
-            let recepientBalance = try await service.getBalance(address: recipientAddress)
-            guard recepientBalance == .zero else {
+            let exist = try await service.isExist(address: recipientAddress)
+            
+            guard !exist else {
                 addAdditionalFee = false
                 return
             }

Adamant/Modules/Wallets/Lisk/LskWalletService.swift

@@ -313,6 +313,21 @@ final class LskWalletService: WalletService {
 
         return (fee: fee, lastHeight: height)
     }
+    
+    func isExist(address: String) async throws -> Bool {
+        let result = try await lskServiceApiService.requestServiceApi { api, completion in
+            api.exist(address: address) { result in
+                switch result {
+                case .success(let response):
+                    completion(.success(response: response.data.isExists))
+                case .error(let error):
+                    completion(.error(response: mapError(error)))
+                }
+            }
+        }.get()
+        
+        return result
+    }
 }
 
 // MARK: - WalletInitiatedWithPassphrase

Adamant/Modules/Wallets/WalletService.swift

@@ -284,6 +284,11 @@ protocol WalletService: AnyObject {
     func loadTransactions(offset: Int, limit: Int) async throws -> Int
     func getLocalTransactionHistory() -> [TransactionDetails]
     func updateStatus(for id: String, status: TransactionStatus?)
+    func isExist(address: String) async throws -> Bool
+}
+
+extension WalletService {
+    func isExist(address: String) async throws -> Bool { return true }
 }
 
 protocol SwinjectDependentService: WalletService {

LiskKit/Sources/API/Service/Models/ExistModel.swift

@@ -0,0 +1,16 @@
+//
+//  ExistModel.swift
+//
+//
+//  Created by Stanislav Jelezoglo on 19.12.2023.
+//
+
+import Foundation
+
+public struct ExistModel: APIResponse {
+    public struct ExistData: Decodable {
+        public let isExists: Bool
+    }
+
+    public let data: ExistData
+}

LiskKit/Sources/API/Service/Service.swift

@@ -38,6 +38,14 @@ extension Service {
         client.get(path: "\(Version.v2.rawValue)/fees", completionHandler: completionHandler)
     }
 
+    public func exist(address: String, completionHandler: @escaping (Response<ExistModel>) -> Void) {
+        client.get(
+            path: "\(Version.v3.rawValue)/token/account/exists",
+            options: ["address": address, "tokenID": Constants.tokenID],
+            completionHandler: completionHandler
+        )
+    }
+    
     /// List transaction objects
     public func transactions(
         ownerAddress: String?,