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reezreez
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feat: verify address
1 parent 121b6bb commit bb7df22

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5 files changed

+109
-4
lines changed

5 files changed

+109
-4
lines changed

‎BDKSwiftExampleWallet.xcodeproj/project.pbxproj‎

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@@ -137,6 +137,7 @@
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AE4984882A1BBBD8009951E2 /* BDKSwiftExampleWalletTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = BDKSwiftExampleWalletTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
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AE49848C2A1BBBD8009951E2 /* BDKSwiftExampleWalletTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BDKSwiftExampleWalletTests.swift; sourceTree = "<group>"; };
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AE4984A52A1BBCB8009951E2 /* README.md */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = net.daringfireball.markdown; path = README.md; sourceTree = "<group>"; };
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AE6474732CE559E000A270C6 /* BDKSwiftExampleWallet.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = BDKSwiftExampleWallet.entitlements; sourceTree = "<group>"; };
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AE6715F92A9A9220005C193F /* BDKSwiftExampleWalletPriceServiceTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BDKSwiftExampleWalletPriceServiceTests.swift; sourceTree = "<group>"; };
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AE6715FC2A9AC056005C193F /* PriceServiceError.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PriceServiceError.swift; sourceTree = "<group>"; };
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AE6715FE2A9AC066005C193F /* FeeServiceError.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FeeServiceError.swift; sourceTree = "<group>"; };
@@ -387,6 +388,7 @@
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AE49847A2A1BBBD6009951E2 /* BDKSwiftExampleWallet */ = {
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isa = PBXGroup;
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children = (
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AE6474732CE559E000A270C6 /* BDKSwiftExampleWallet.entitlements */,
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AE11D5EB2B784B2900D67366 /* Info.plist */,
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AE1C34222A424440008F807A /* App */,
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AE7F670A2A7451B600CED561 /* Model */,
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buildSettings = {
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ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
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ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
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CODE_SIGN_ENTITLEMENTS = BDKSwiftExampleWallet/BDKSwiftExampleWallet.entitlements;
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CODE_SIGN_STYLE = Automatic;
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CURRENT_PROJECT_VERSION = 1;
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DEVELOPMENT_ASSET_PATHS = "\"BDKSwiftExampleWallet/Preview Content\"";
@@ -862,6 +865,7 @@
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GENERATE_INFOPLIST_FILE = YES;
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INFOPLIST_FILE = BDKSwiftExampleWallet/Info.plist;
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INFOPLIST_KEY_CFBundleDisplayName = "BDK Wallet";
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INFOPLIST_KEY_NFCReaderUsageDescription = "We need NFC access to verify addresses.";
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INFOPLIST_KEY_NSCameraUsageDescription = "\"To scan QR codes\"";
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INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
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INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
@@ -887,6 +891,7 @@
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buildSettings = {
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ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
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ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
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CODE_SIGN_ENTITLEMENTS = BDKSwiftExampleWallet/BDKSwiftExampleWallet.entitlements;
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CODE_SIGN_STYLE = Automatic;
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CURRENT_PROJECT_VERSION = 1;
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DEVELOPMENT_ASSET_PATHS = "\"BDKSwiftExampleWallet/Preview Content\"";
@@ -895,6 +900,7 @@
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GENERATE_INFOPLIST_FILE = YES;
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INFOPLIST_FILE = BDKSwiftExampleWallet/Info.plist;
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INFOPLIST_KEY_CFBundleDisplayName = "BDK Wallet";
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INFOPLIST_KEY_NFCReaderUsageDescription = "We need NFC access to verify addresses.";
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INFOPLIST_KEY_NSCameraUsageDescription = "\"To scan QR codes\"";
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INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
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INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;

‎BDKSwiftExampleWallet/BDKSwiftExampleWallet.entitlements‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>com.apple.developer.nfc.readersession.formats</key>
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<array>
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<string>TAG</string>
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</array>
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</dict>
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</plist>

‎BDKSwiftExampleWallet/Info.plist‎

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@@ -5,8 +5,6 @@
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<key>ITSAppUsesNonExemptEncryption</key>
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<false/>
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<key>NSPasteboardUsageDescription</key>
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<string>&quot;To allow users to copy and paste text between the app and other apps&quot;</string>
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<key>NSCameraUsageDescription</key>
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<string>&quot;To scan QR codes&quot;</string>
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<string>"To allow users to copy and paste text between the app and other apps"</string>
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</dict>
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</plist>

‎BDKSwiftExampleWallet/View Model/Receive/ReceiveViewModel.swift‎

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@@ -6,13 +6,16 @@
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//
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import BitcoinDevKit
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import CoreNFC
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import Foundation
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import Observation
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@Observable
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class ReceiveViewModel {
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class ReceiveViewModel: NSObject, NFCNDEFReaderSessionDelegate {
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let bdkClient: BDKClient
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private var nfcSession: NFCNDEFReaderSession?
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var address: String = ""
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var receiveViewError: AppError?
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var showingReceiveViewErrorAlert = false
@@ -35,3 +38,83 @@ class ReceiveViewModel {
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}
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}
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extension ReceiveViewModel {
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func startNFCSession() {
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guard NFCNDEFReaderSession.readingAvailable else {
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receiveViewError = .generic(message: "NFC not available on this device")
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showingReceiveViewErrorAlert = true
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return
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}
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nfcSession = NFCNDEFReaderSession(
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delegate: self,
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queue: nil,
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invalidateAfterFirstRead: false
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)
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nfcSession?.alertMessage = "Hold your iPhone near the Coldcard to verify the address"
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nfcSession?.begin()
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}
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// MARK: - NFCNDEFReaderSessionDelegate
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func readerSession(_ session: NFCNDEFReaderSession, didDetect tags: [NFCNDEFTag]) {
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guard let tag = tags.first else {
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return
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}
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session.connect(to: tag) { error in
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if let error = error {
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session.invalidate(errorMessage: "Connection error: \(error.localizedDescription)")
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return
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}
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let payload = NFCNDEFPayload(
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format: .media,
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type: "text/plain".data(using: .utf8)!,
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identifier: Data(),
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payload: self.address.data(using: .utf8)!
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)
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let message = NFCNDEFMessage(records: [payload])
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tag.writeNDEF(message) { error in
82+
if let error = error {
83+
session.invalidate(errorMessage: "Write failed: \(error.localizedDescription)")
84+
} else {
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session.alertMessage = "Address passed to Coldcard successfully"
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session.invalidate()
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}
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}
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}
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}
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func readerSession(_ session: NFCNDEFReaderSession, didInvalidateWithError error: Error) {
94+
if let nfcError = error as? NFCReaderError,
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nfcError.code == .readerSessionInvalidationErrorUserCanceled
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{
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return
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}
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DispatchQueue.main.async {
101+
self.receiveViewError = .generic(message: error.localizedDescription)
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self.showingReceiveViewErrorAlert = true
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}
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}
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func readerSessionDidBecomeActive(_ session: NFCNDEFReaderSession) {
107+
// Required delegate method, but no action needed when session becomes active
108+
}
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func readerSession(_ session: NFCNDEFReaderSession, didDetectNDEFs messages: [NFCNDEFMessage]) {
111+
if let message = messages.first,
112+
let record = message.records.first,
113+
let payload = String(data: record.payload, encoding: .utf8)
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{
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// Handle response
116+
}
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session.invalidate()
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}
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}

‎BDKSwiftExampleWallet/View/Receive/ReceiveView.swift‎

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//
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import BitcoinUI
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import CoreNFC
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import SwiftUI
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struct ReceiveView: View {
@@ -51,6 +52,13 @@ struct ReceiveView: View {
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)
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.padding()
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Button {
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viewModel.startNFCSession()
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} label: {
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Image(systemName: "wave.3.right")
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.foregroundColor(.primary)
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}
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HStack {
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Button {
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UIPasteboard.general.string = viewModel.address

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