added Kyoto stop service

Author: r1b2ns

BDKSwiftExampleWallet/Service/BDK Service/BDKService.swift

@@ -134,6 +134,10 @@ private class BDKService {
     func sentAndReceived(tx: Transaction) throws -> SentAndReceivedValues {
         try service.sentAndReceived(tx: tx)
     }
+    
+    func stop() async throws {
+        try await service.stopService()
+    }
 }
 
 extension BDKService {
@@ -170,6 +174,7 @@ struct BDKClient {
     let getEsploraURL: () -> String
     let updateNetwork: (Network) -> Void
     let updateEsploraURL: (String) -> Void
+    let stop: () async throws -> Void
 }
 
 extension BDKClient {
@@ -222,6 +227,9 @@ extension BDKClient {
         },
         updateEsploraURL: { newURL in
             BDKService.shared.updateEsploraURL(newURL)
+        },
+        stop: {
+            try await BDKService.shared.stop()
         }
     )
 }
@@ -278,7 +286,8 @@ extension BDKClient {
             getNetwork: { .signet },
             getEsploraURL: { Constants.Config.EsploraServerURLNetwork.Signet.mutiny },
             updateNetwork: { _ in },
-            updateEsploraURL: { _ in }
+            updateEsploraURL: { _ in },
+            stop: { }
         )
     }
 #endif

BDKSwiftExampleWallet/Service/BDKSyncService/BDKSyncService.swift

@@ -35,6 +35,7 @@ protocol BDKSyncService {
     func send(address: String, amount: UInt64, feeRate: UInt64) async throws
     func listUnspent() throws -> [LocalOutput]
     func getAddress() throws -> String
+    func stopService() async throws
 }
 
 extension BDKSyncService {
@@ -264,13 +265,11 @@ extension BDKSyncService {
 
     // MARK: - Optionals methods
 
-    func updateEsploraURL(_ url: String) {
-        // Optional implementation
-    }
+    func updateEsploraURL(_ url: String) { }
 
-    func updateNetwork(network: Network) {
-        // Optional implementation
-    }
+    func updateNetwork(network: Network) { }
+    
+    func stopService() async throws { }
 
     // MARK: - Private
 

BDKSwiftExampleWallet/Service/BDKSyncService/KyotoService.swift

@@ -9,7 +9,7 @@ import BitcoinDevKit
 import Foundation
 
 final class KyotoService: BDKSyncService {
-    
+        
     private static let nodeHeight: UInt32 = 253_000
 
     static let shared = KyotoService()
@@ -77,6 +77,10 @@ final class KyotoService: BDKSyncService {
 
     }
 
+    func stopService() async throws {
+        try await client?.shutdown()
+    }
+    
     // MARK: - Private
 
     private func buildNode(from wallet: Wallet, scanType: ScanType) throws -> CbfComponents {