Add Trusted Node feature

.gitignore

@@ -58,15 +58,9 @@ Baseline.json
 remote-config-defaults.plist
 service-data.plist
 GoogleService-Info.plist
-
-/SourcePackages
-/brainwallet/launch-resources/GoogleService-Info.plist
-/brainwallet/launch-resources/remote-config-defaults.plist
-/brainwallet/launch-resources/service-data.plist
-# Storekit
-/Storekit
-*.storekit
-Brainwallet-StoreKit-v1.storekit
+
+# Storekit 
+*.storekit 
 /fastlane/report.xml
 **/fastlane/test_output/
 ## Games protection

BrainwalletHybrid.xcworkspace/xcshareddata/xcschemes/brainwallet-local-storekit.xcscheme

@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "2660"
+   version = "1.7">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES"
+      buildArchitectures = "Automatic">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "75A2A78F1DA5934300A983D8"
+               BuildableName = "Brainwallet.app"
+               BlueprintName = "brainwallet"
+               ReferencedContainer = "container:brainwallet.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      shouldAutocreateTestPlan = "YES">
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES"
+      queueDebuggingEnableBacktraceRecording = "Yes">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "75A2A78F1DA5934300A983D8"
+            BuildableName = "Brainwallet.app"
+            BlueprintName = "brainwallet"
+            ReferencedContainer = "container:brainwallet.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <StoreKitConfigurationFileReference
+         identifier = "../brainwallet/PreLaunchResources/bw-iap-config-v2.storekit">
+      </StoreKitConfigurationFileReference>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "75A2A78F1DA5934300A983D8"
+            BuildableName = "Brainwallet.app"
+            BlueprintName = "brainwallet"
+            ReferencedContainer = "container:brainwallet.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

BrainwalletHybrid.xcworkspace/xcshareddata/xcschemes/brainwallet.xcscheme

@@ -104,9 +104,6 @@
          identifier = "San Francisco, CA, USA"
          referenceType = "1">
       </LocationScenarioReference>
-      <StoreKitConfigurationFileReference
-         identifier = "../Private/general-purpose/BrainwalletiOSPrivateGeneralPurpose/brainwallet-private-general-purpose.storekit">
-      </StoreKitConfigurationFileReference>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

BrainwalletUnitTests/Settings Tests/NetworkFeeTierTests.swift

@@ -0,0 +1,98 @@
+//
+//  NetworkFeeTierTests.swift
+//  brainwallet
+//
+//  Covers the fee-tier math backing the Network Fee picker in
+//  SettingsLitecoinDetailView (litoshis-per-tier, nearest-tier lookup for a
+//  persisted preference, and litoshi -> fiat formatting).
+//
+//  Copyright © 2025 Grunt Software, LTD. All rights reserved.
+
+@testable import brainwallet
+import XCTest
+
+class NetworkFeeTierTests: XCTestCase {
+
+    private let fees = Fees(luxury: 66746, regular: 25000, economy: 8000, timestamp: 0)
+    private let usdRate = Rate(code: "USD", name: "US Dollar", rate: 60.0, lastTimestamp: Date())
+
+    // MARK: - litoshis(from:)
+
+    func testLitoshisFromMapsEachTierToItsFeesField() {
+        XCTAssertEqual(NetworkFeeTier.economy.litoshis(from: fees), fees.economy)
+        XCTAssertEqual(NetworkFeeTier.regular.litoshis(from: fees), fees.regular)
+        XCTAssertEqual(NetworkFeeTier.luxury.litoshis(from: fees), fees.luxury)
+    }
+
+    // MARK: - closest(to:in:)
+
+    func testClosestReturnsExactTierOnExactMatch() {
+        XCTAssertEqual(NetworkFeeTier.closest(to: Int(fees.economy), in: fees), .economy)
+        XCTAssertEqual(NetworkFeeTier.closest(to: Int(fees.regular), in: fees), .regular)
+        XCTAssertEqual(NetworkFeeTier.closest(to: Int(fees.luxury), in: fees), .luxury)
+    }
+
+    func testClosestPicksNearerNeighborBetweenTwoTiers() {
+        // Between economy (8000) and regular (25000); nearer to economy.
+        XCTAssertEqual(NetworkFeeTier.closest(to: 10_000, in: fees), .economy)
+        // Between regular (25000) and luxury (66746); nearer to luxury.
+        XCTAssertEqual(NetworkFeeTier.closest(to: 60_000, in: fees), .luxury)
+    }
+
+    func testClosestClampsToEconomyBelowLowestTier() {
+        XCTAssertEqual(NetworkFeeTier.closest(to: 0, in: fees), .economy)
+    }
+
+    func testClosestClampsToLuxuryAboveHighestTier() {
+        XCTAssertEqual(NetworkFeeTier.closest(to: 1_000_000, in: fees), .luxury)
+    }
+
+    func testClosestBreaksTiesTowardTheLowerTier() {
+        // Exactly halfway between economy (8000) and regular (25000) is 16500;
+        // a tie should favor the lower (economy) tier.
+        let tieFees = Fees(luxury: 30000, regular: 20000, economy: 10000, timestamp: 0)
+        XCTAssertEqual(NetworkFeeTier.closest(to: 15000, in: tieFees), .economy)
+        // Halfway between regular (20000) and luxury (30000) is 25000.
+        XCTAssertEqual(NetworkFeeTier.closest(to: 25000, in: tieFees), .regular)
+    }
+
+    func testClosestFallsBackToDefaultValuesWhenNothingIsStored() {
+        // UserDefaults.userSetPreferredNetworkFee falls back to Fees.usingDefaultValues.luxury
+        // when the user has never picked a fee — confirm that round-trips to .luxury.
+        let defaults = Fees.usingDefaultValues
+        let storedFee = Int(defaults.luxury)
+        XCTAssertEqual(NetworkFeeTier.closest(to: storedFee, in: defaults), .luxury)
+    }
+
+    // MARK: - formattedFiatAmount(litoshis:rate:)
+
+    func testFormattedFiatAmountConvertsLitoshisThroughLTCToFiat() {
+        // 100_000_000 litoshis == 1 LTC == $60 at a $60/LTC rate.
+        let result = NetworkFeeTier.formattedFiatAmount(litoshis: 100_000_000, rate: usdRate)
+        XCTAssertEqual(result, "60.000 USD")
+    }
+
+    func testFormattedFiatAmountForRealisticRegularFee() {
+        // 25000 litoshis at $60/LTC = 0.00025 LTC * 60 = 0.015.
+        let result = NetworkFeeTier.formattedFiatAmount(litoshis: fees.regular, rate: usdRate)
+        XCTAssertEqual(result, "0.015 USD")
+    }
+
+    func testFormattedFiatAmountIsEmptyWhenFeeIsZero() {
+        XCTAssertEqual(NetworkFeeTier.formattedFiatAmount(litoshis: 0, rate: usdRate), "")
+    }
+
+    func testFormattedFiatAmountIsEmptyWhenRateIsZero() {
+        let noRate = Rate(code: "", name: "", rate: 0.0, lastTimestamp: Date())
+        XCTAssertEqual(NetworkFeeTier.formattedFiatAmount(litoshis: fees.luxury, rate: noRate), "")
+    }
+
+    // MARK: - CaseIterable ordering (Picker tags rely on rawValue == 0/1/2)
+
+    func testAllCasesOrderMatchesPickerTagOrder() {
+        XCTAssertEqual(NetworkFeeTier.allCases.map(\.rawValue), [0, 1, 2])
+        XCTAssertEqual(NetworkFeeTier.economy.rawValue, 0)
+        XCTAssertEqual(NetworkFeeTier.regular.rawValue, 1)
+        XCTAssertEqual(NetworkFeeTier.luxury.rawValue, 2)
+    }
+}

BrainwalletUnitTests/Settings Tests/SettingsTests.swift

@@ -14,7 +14,7 @@ class SettingsHelpersTests: XCTestCase {
     // MARK: - Constants Tests
 
     func testClosedRowHeight() {
-        XCTAssertEqual(closedRowHeight, 65.0, "closedRowHeight should be 65.0")
+        XCTAssertEqual(closedRowHeight, 50.0, "closedRowHeight should be 50.0")
     }
 
     func testToggleRowHeight() {
@@ -42,7 +42,7 @@ class SettingsHelpersTests: XCTestCase {
     }
 
     func testExpandArrowSize() {
-        XCTAssertEqual(expandArrowSize, 20.0, "expandArrowSize should be 20.0")
+        XCTAssertEqual(expandArrowSize, 16.0, "expandArrowSize should be 16.0")
     }
 
     func testPickerViewHeight() {