public static HDFingerprint BetterParseHDFingerprint(string hdFingerPrintString, bool reverseByteOrder = false)
{
hdFingerPrintString = Guard.NotNullOrEmptyOrWhitespace(nameof(hdFingerPrintString), hdFingerPrintString, trim: true);
HDFingerprint hdfp;
try
{
var hdfpu = uint.Parse(hdFingerPrintString);
hdfp = new HDFingerprint(hdfpu);
}
catch
{
// Try hex, Old wallet format was like this.
var bytes = ByteHelpers.FromHex(hdFingerPrintString);
if (reverseByteOrder)
{
hdfp = new HDFingerprint(bytes.Reverse().ToArray());
}
else
{
hdfp = new HDFingerprint(bytes);
}
}
return(hdfp);
}
private static PSBT BuildPsbt(Network network, HDFingerprint fingerprint, ExtPubKey xpub, KeyPath xpubKeyPath)
{
var deriveSendFromKeyPath = new KeyPath("1/0");
var deriveSendToKeyPath = new KeyPath("0/0");
KeyPath sendFromKeyPath = xpubKeyPath.Derive(deriveSendFromKeyPath);
KeyPath sendToKeyPath = xpubKeyPath.Derive(deriveSendToKeyPath);
PubKey sendFromPubKey = xpub.Derive(deriveSendFromKeyPath).PubKey;
PubKey sendToPubKey = xpub.Derive(deriveSendToKeyPath).PubKey;
BitcoinAddress sendFromAddress = sendFromPubKey.GetAddress(ScriptPubKeyType.Segwit, network);
BitcoinAddress sendToAddress = sendToPubKey.GetAddress(ScriptPubKeyType.Segwit, network);
TransactionBuilder builder = network.CreateTransactionBuilder();
builder = builder.AddCoins(new Coin(uint256.One, 0, Money.Coins(1), sendFromAddress.ScriptPubKey));
builder.Send(sendToAddress.ScriptPubKey, Money.Coins(0.99999m));
PSBT psbt = builder
.SendFees(Money.Coins(0.00001m))
.BuildPSBT(false);
var rootKeyPath1 = new RootedKeyPath(fingerprint, sendFromKeyPath);
var rootKeyPath2 = new RootedKeyPath(fingerprint, sendToKeyPath);
psbt.AddKeyPath(sendFromPubKey, rootKeyPath1, sendFromAddress.ScriptPubKey);
psbt.AddKeyPath(sendToPubKey, rootKeyPath2, sendToAddress.ScriptPubKey);
return(psbt);
}
public static bool TryGetMasterFingerprintFromFile(string filePath, out HDFingerprint masterFingerprint)
{
masterFingerprint = default;
filePath = Guard.NotNullOrEmptyOrWhitespace(nameof(filePath), filePath);
if (!File.Exists(filePath))
{
throw new FileNotFoundException($"Wallet file not found at: `{filePath}`.");
}
// Example text to handle: "ExtPubKey": "03BF8271268000000013B9013C881FE456DDF524764F6322F611B03CF6".
var masterfpline = File.ReadLines(filePath) // Enumerated read.
.Take(21) // Limit reads to x lines.
.FirstOrDefault(line => line.Contains("\"MasterFingerprint\": \"", StringComparison.InvariantCulture));
if (string.IsNullOrEmpty(masterfpline))
{
return(false);
}
var parts = masterfpline.Split("\"MasterFingerprint\": \"");
if (parts.Length != 2)
{
throw new FormatException($"Could not split line: {masterfpline}");
}
var hex = parts[1].TrimEnd(',', '"');
var mfp = new HDFingerprint(ByteHelpers.FromHex(hex));
masterFingerprint = mfp;
return(true);
}
public HardwareWalletInfo(string masterFingerprint, string serialNumber, HardwareWalletType type, string path, string error)
{
try
{
Guard.NotNullOrEmptyOrWhitespace(nameof(masterFingerprint), masterFingerprint);
var masterFingerPrintBytes = ByteHelpers.FromHex(masterFingerprint);
MasterFingerprint = new HDFingerprint(masterFingerPrintBytes);
}
catch (ArgumentException)
{
MasterFingerprint = null;
}
SerialNumber = serialNumber;
Type = type;
Path = path;
Error = error;
Ready = true;
Initialized = true;
if (Error != null)
{
if (Error.Contains("Not initialized", StringComparison.OrdinalIgnoreCase))
{
Initialized = false;
}
else if (Type == HardwareWalletType.Ledger &&
(Error.Contains("get_pubkey_at_path canceled", StringComparison.OrdinalIgnoreCase) ||
Error.Contains("Invalid status 6f04", StringComparison.OrdinalIgnoreCase) || // It comes when device asleep too.
Error.Contains("Device is asleep", StringComparison.OrdinalIgnoreCase)))
{
Ready = false;
}
}
}
public HardwareWalletInfo(string fingerprint, string serialNumber, HardwareWalletType type, string path, string error)
{
MasterFingerprint = new HDFingerprint(ByteHelpers.FromHex(fingerprint));
SerialNumber = serialNumber;
Type = type;
Path = path;
Error = error;
}
public FingerprintDeviceSelector(HDFingerprint fingerprint) : base(w =>
{
w.Add("--fingerprint");
w.Add(fingerprint.ToString());
})
{
Fingerprint = fingerprint;
}
public static void ReadWrite(this CoinStream serializable, ref HDFingerprint lFingerprint)
{
var bytes = lFingerprint.ToBytes();
serializable.ReadWrite(ref bytes);
if (!serializable.Serializing)
{
lFingerprint = new HDFingerprint(bytes);
}
}
private async Task SaveKeyset(HDFingerprint fingerprint, Keyset v)
{
var dir = Path.Combine(DataDirectory, "keysets");
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
var keyset = Path.Combine(dir, $"{fingerprint}.json");
await File.WriteAllTextAsync(keyset, JsonConvert.SerializeObject(v, JsonSettings));
}
public HardwareWalletInfo(string masterFingerprint, string serialNumber, HardwareWalletType type, string path, string error)
{
Guard.NotNullOrEmptyOrWhitespace(nameof(masterFingerprint), masterFingerprint);
var masterFingerPrintBytes = ByteHelpers.FromHex(masterFingerprint);
MasterFingerprint = new HDFingerprint(masterFingerPrintBytes);
SerialNumber = serialNumber;
Type = type;
Path = path;
Error = error;
}
private bool KeySetExists(HDFingerprint fingerprint)
{
var dir = Path.Combine(DataDirectory, "keysets");
if (!Directory.Exists(dir))
{
return(false);
}
var keyset = Path.Combine(dir, $"{fingerprint}.json");
return(File.Exists(keyset));
}
/// <inheritdoc />
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
var s = (string)reader.Value;
if (string.IsNullOrWhiteSpace(s))
{
return(null);
}
var fp = new HDFingerprint(ByteHelpers.FromHex(s));
return(fp);
}
private async Task <Keyset> OpenKeyset(HDFingerprint fingerprint)
{
var dir = Path.Combine(DataDirectory, "keysets");
if (!Directory.Exists(dir))
{
throw new FormatException("Invalid keyset file");
}
var keyset = Path.Combine(dir, $"{fingerprint}.json");
return(JsonConvert.DeserializeObject <Keyset>(await File.ReadAllTextAsync(keyset), JsonSettings) ??
throw new FormatException("Invalid keyset file"));
}
public static KeyManager CreateNew(out Mnemonic mnemonic, string password, string filePath = null)
{
password ??= "";
mnemonic = new Mnemonic(Wordlist.English, WordCount.Twelve);
ExtKey extKey = mnemonic.DeriveExtKey(password);
var encryptedSecret = extKey.PrivateKey.GetEncryptedBitcoinSecret(password, Network.Main);
HDFingerprint masterFingerprint = extKey.Neuter().PubKey.GetHDFingerPrint();
KeyPath keyPath = DefaultAccountKeyPath;
ExtPubKey extPubKey = extKey.Derive(keyPath).Neuter();
return(new KeyManager(encryptedSecret, extKey.ChainCode, masterFingerprint, extPubKey, false, AbsoluteMinGapLimit, new BlockchainState(), filePath, keyPath));
}
public static KeyManager Recover(Mnemonic mnemonic, string password, string filePath = null, KeyPath accountKeyPath = null, int minGapLimit = AbsoluteMinGapLimit)
{
Guard.NotNull(nameof(mnemonic), mnemonic);
password ??= "";
ExtKey extKey = mnemonic.DeriveExtKey(password);
var encryptedSecret = extKey.PrivateKey.GetEncryptedBitcoinSecret(password, Network.Main);
HDFingerprint masterFingerprint = extKey.Neuter().PubKey.GetHDFingerPrint();
KeyPath keyPath = accountKeyPath ?? DefaultAccountKeyPath;
ExtPubKey extPubKey = extKey.Derive(keyPath).Neuter();
return(new KeyManager(encryptedSecret, extKey.ChainCode, masterFingerprint, extPubKey, true, minGapLimit, new BlockchainState(), filePath, keyPath));
}
public static KeyManager Recover(Mnemonic mnemonic, string password, string filePath = null)
{
Guard.NotNull(nameof(mnemonic), mnemonic);
if (password is null)
{
password = "";
}
ExtKey extKey = mnemonic.DeriveExtKey(password);
var encryptedSecret = extKey.PrivateKey.GetEncryptedBitcoinSecret(password, Network.Main);
HDFingerprint masterFingerpring = extKey.Neuter().PubKey.GetHDFingerPrint();
ExtPubKey extPubKey = extKey.Derive(AccountKeyPath).Neuter();
return(new KeyManager(encryptedSecret, extKey.ChainCode, masterFingerpring, extPubKey, true, new BlockchainState(), filePath));
}
private static KeyManager GetKeyManagerByColdcardJson(WalletManager manager, JObject jsonWallet, string walletFullPath)
{
var xpubString = jsonWallet["ExtPubKey"]?.ToString()
?? throw new ArgumentNullException($"Can't get KeyManager, ExtPubKey was null.");
var mfpString = jsonWallet["MasterFingerprint"]?.ToString()
?? throw new ArgumentNullException($"Can't get KeyManager, MasterFingerprint was null.");
// https://github.com/zkSNACKs/WalletWasabi/pull/1663#issuecomment-508073066
// Coldcard 2.1.0 improperly implemented Wasabi skeleton fingerprint at first, so we must reverse byte order.
// The solution was to add a ColdCardFirmwareVersion json field from 2.1.1 and correct the one generated by 2.1.0.
var coldCardVersionString = jsonWallet["ColdCardFirmwareVersion"]?.ToString();
var reverseByteOrder = false;
if (coldCardVersionString is null)
{
reverseByteOrder = true;
}
else
{
Version coldCardVersion = new(coldCardVersionString);
if (coldCardVersion == new Version("2.1.0")) // Should never happen though.
{
reverseByteOrder = true;
}
}
var bytes = ByteHelpers.FromHex(Guard.NotNullOrEmptyOrWhitespace(nameof(mfpString), mfpString, trim: true));
HDFingerprint mfp = reverseByteOrder ? new HDFingerprint(bytes.Reverse().ToArray()) : new HDFingerprint(bytes);
if (manager.WalletExists(mfp))
{
throw new InvalidOperationException(WalletExistsErrorMessage);
}
ExtPubKey extPubKey = NBitcoinHelpers.BetterParseExtPubKey(xpubString);
return(KeyManager.CreateNewHardwareWalletWatchOnly(mfp, extPubKey, manager.Network, walletFullPath));
}
/// <seealso href="https://github.com/bitcoin/bitcoin/blob/master/doc/descriptors.md#reference"/>
public static WpkhDescriptors GetOutputDescriptors(Network network, HDFingerprint masterFingerprint, ExtKey notDerivedAccountKey, KeyPath accountKeyPath)
{
ExtKey accountKey = notDerivedAccountKey.Derive(accountKeyPath);
// Optional part looks like this, for example: [2fc4a4f3/84'/0'/0']
string optionalPart = $"[{masterFingerprint}/{accountKeyPath}]";
// Optional part is followed by the actual private key: "tprv8ghYQhz7XQhoqDZG8SzbkqGCDTwAzyVVmUN3cUerPhUgK91Xvc4FaMJpYwrjuQ48WD7KdQ7Y6znKnaY9PXP8SiDLv1srjjs8NVYGuM7Hrrk"
string privateDescriptor = $"{optionalPart}{accountKey.ToString(network)}";
FlatSigningRepository internalRepo = new();
FlatSigningRepository externalRepo = new();
// Descriptor for all unhardened children (`/*`)
OutputDescriptor internalPublicDescriptor = OutputDescriptor.Parse($"wpkh({privateDescriptor}/1/*)", network, requireCheckSum: false, internalRepo);
OutputDescriptor externalPublicDescriptor = OutputDescriptor.Parse($"wpkh({privateDescriptor}/0/*)", network, requireCheckSum: false, externalRepo);
externalPublicDescriptor.TryGetPrivateString(externalRepo, out string?privateExternalDescriptor);
internalPublicDescriptor.TryGetPrivateString(internalRepo, out string?privateInternalDescriptor);
return(new(internalPublicDescriptor, externalPublicDescriptor, privateInternalDescriptor, privateExternalDescriptor));
}
public async Task ColdCardMk1MockTestsAsync(Network network)
{
var client = new HwiClient(network, new HwiProcessBridgeMock(HardwareWalletModels.Coldcard));
using var cts = new CancellationTokenSource(ReasonableRequestTimeout);
IEnumerable <HwiEnumerateEntry> enumerate = await client.EnumerateAsync(cts.Token);
Assert.Single(enumerate);
HwiEnumerateEntry entry = enumerate.Single();
Assert.Equal(HardwareWalletModels.Coldcard, entry.Model);
string rawPath = "\\\\\\\\?\\\\hid#vid_d13e&pid_cc10&mi_00#7&1b239988&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}";
string normalizedPath = HwiParser.NormalizeRawDevicePath(rawPath);
Assert.Equal(normalizedPath, entry.Path);
Assert.Null(entry.NeedsPassphraseSent);
Assert.Null(entry.NeedsPinSent);
Assert.Null(entry.Error);
Assert.Null(entry.Code);
Assert.Equal("a3d0d797", entry.Fingerprint.ToString());
Assert.True(entry.IsInitialized());
var deviceType = entry.Model;
var devicePath = entry.Path;
HDFingerprint fingerprint = entry.Fingerprint.Value;
var wipe = await Assert.ThrowsAsync <HwiException>(async() => await client.WipeAsync(deviceType, devicePath, cts.Token));
Assert.Equal("The Coldcard does not support wiping via software", wipe.Message);
Assert.Equal(HwiErrorCode.UnavailableAction, wipe.ErrorCode);
// ColdCard doesn't support it.
var setup = await Assert.ThrowsAsync <HwiException>(async() => await client.SetupAsync(deviceType, devicePath, false, cts.Token));
Assert.Equal("The Coldcard does not support software setup", setup.Message);
Assert.Equal(HwiErrorCode.UnavailableAction, setup.ErrorCode);
// ColdCard doesn't support it.
var restore = await Assert.ThrowsAsync <HwiException>(async() => await client.RestoreAsync(deviceType, devicePath, false, cts.Token));
Assert.Equal("The Coldcard does not support restoring via software", restore.Message);
Assert.Equal(HwiErrorCode.UnavailableAction, restore.ErrorCode);
// ColdCard doesn't support it.
var promptpin = await Assert.ThrowsAsync <HwiException>(async() => await client.PromptPinAsync(deviceType, devicePath, cts.Token));
Assert.Equal("The Coldcard does not need a PIN sent from the host", promptpin.Message);
Assert.Equal(HwiErrorCode.UnavailableAction, promptpin.ErrorCode);
// ColdCard doesn't support it.
var sendpin = await Assert.ThrowsAsync <HwiException>(async() => await client.SendPinAsync(deviceType, devicePath, 1111, cts.Token));
Assert.Equal("The Coldcard does not need a PIN sent from the host", sendpin.Message);
Assert.Equal(HwiErrorCode.UnavailableAction, sendpin.ErrorCode);
KeyPath keyPath1 = KeyManager.DefaultAccountKeyPath;
KeyPath keyPath2 = KeyManager.DefaultAccountKeyPath.Derive(1);
ExtPubKey xpub1 = await client.GetXpubAsync(deviceType, devicePath, keyPath1, cts.Token);
ExtPubKey xpub2 = await client.GetXpubAsync(deviceType, devicePath, keyPath2, cts.Token);
var expecteXpub1 = NBitcoinHelpers.BetterParseExtPubKey("xpub6DHjDx4gzLV37gJWMxYJAqyKRGN46MT61RHVizdU62cbVUYu9L95cXKzX62yJ2hPbN11EeprS8sSn8kj47skQBrmycCMzFEYBQSntVKFQ5M");
var expecteXpub2 = NBitcoinHelpers.BetterParseExtPubKey("xpub6FJS1ne3STcKdQ9JLXNzZXidmCNZ9dxLiy7WVvsRkcmxjJsrDKJKEAXq4MGyEBM3vHEw2buqXezfNK5SNBrkwK7Fxjz1TW6xzRr2pUyMWFu");
Assert.Equal(expecteXpub1, xpub1);
Assert.Equal(expecteXpub2, xpub2);
BitcoinWitPubKeyAddress address1 = await client.DisplayAddressAsync(deviceType, devicePath, keyPath1, cts.Token);
BitcoinWitPubKeyAddress address2 = await client.DisplayAddressAsync(deviceType, devicePath, keyPath2, cts.Token);
BitcoinAddress expectedAddress1;
BitcoinAddress expectedAddress2;
if (network == Network.Main)
{
expectedAddress1 = BitcoinAddress.Create("bc1q7zqqsmqx5ymhd7qn73lm96w5yqdkrmx7fdevah", Network.Main);
expectedAddress2 = BitcoinAddress.Create("bc1qmaveee425a5xjkjcv7m6d4gth45jvtnj23fzyf", Network.Main);
}
else if (network == Network.TestNet)
{
expectedAddress1 = BitcoinAddress.Create("tb1q7zqqsmqx5ymhd7qn73lm96w5yqdkrmx7rtzlxy", Network.TestNet);
expectedAddress2 = BitcoinAddress.Create("tb1qmaveee425a5xjkjcv7m6d4gth45jvtnjqhj3l6", Network.TestNet);
}
else if (network == Network.RegTest)
{
expectedAddress1 = BitcoinAddress.Create("bcrt1q7zqqsmqx5ymhd7qn73lm96w5yqdkrmx7pzmj3d", Network.RegTest);
expectedAddress2 = BitcoinAddress.Create("bcrt1qmaveee425a5xjkjcv7m6d4gth45jvtnjz7tugn", Network.RegTest);
}
else
{
throw new NotSupportedNetworkException(network);
}
Assert.Equal(expectedAddress1, address1);
Assert.Equal(expectedAddress2, address2);
}
public LoadWalletViewModel(WalletManagerViewModel owner, LoadWalletType loadWalletType)
: base(loadWalletType == LoadWalletType.Password ? "Test Password" : (loadWalletType == LoadWalletType.Desktop ? "Load Wallet" : "Hardware Wallet"))
{
Owner = owner;
Password = "";
LoadWalletType = loadWalletType;
Wallets = new ObservableCollection <LoadWalletEntry>();
WalletLock = new object();
this.WhenAnyValue(x => x.SelectedWallet)
.Subscribe(selectedWallet => TrySetWalletStates());
this.WhenAnyValue(x => x.IsWalletOpened)
.Subscribe(isWalletOpened => TrySetWalletStates());
this.WhenAnyValue(x => x.IsBusy)
.Subscribe(x => TrySetWalletStates());
this.WhenAnyValue(x => x.Password).Subscribe(async x =>
{
try
{
if (x.NotNullAndNotEmpty())
{
char lastChar = x.Last();
if (lastChar == '\r' || lastChar == '\n') // If the last character is cr or lf then act like it'd be a sign to do the job.
{
Password = x.TrimEnd('\r', '\n');
await LoadKeyManagerAsync(requirePassword: true, isHardwareWallet: false);
}
}
}
catch (Exception ex)
{
Logger.LogTrace(ex);
}
});
LoadCommand = ReactiveCommand.CreateFromTask(async() => await LoadWalletAsync(), this.WhenAnyValue(x => x.CanLoadWallet));
TestPasswordCommand = ReactiveCommand.CreateFromTask(async() => await LoadKeyManagerAsync(requirePassword: true, isHardwareWallet: false), this.WhenAnyValue(x => x.CanTestPassword));
OpenFolderCommand = ReactiveCommand.Create(OpenWalletsFolder);
ImportColdcardCommand = ReactiveCommand.CreateFromTask(async() =>
{
try
{
var ofd = new OpenFileDialog
{
AllowMultiple = false,
Title = "Import Coldcard"
};
if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
ofd.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
}
var selected = await ofd.ShowAsync(Application.Current.MainWindow, fallBack: true);
if (selected != null && selected.Any())
{
var path = selected.First();
var jsonString = await File.ReadAllTextAsync(path);
var json = JObject.Parse(jsonString);
var xpubString = json["ExtPubKey"].ToString();
var mfpString = json["MasterFingerprint"].ToString();
// https://github.com/zkSNACKs/WalletWasabi/pull/1663#issuecomment-508073066
// Coldcard 2.1.0 improperly implemented Wasabi skeleton fingerpring at first, so we must reverse byte order.
// The solution was to add a ColdCardFirmwareVersion json field from 2.1.1 and correct the one generated by 2.1.0.
var coldCardVersionString = json["ColdCardFirmwareVersion"]?.ToString();
var reverseByteOrder = false;
if (coldCardVersionString is null)
{
reverseByteOrder = true;
}
else
{
Version coldCardVersion = new Version(coldCardVersionString);
if (coldCardVersion == new Version("2.1.0")) // Should never happen though.
{
reverseByteOrder = true;
}
}
HDFingerprint mfp = NBitcoinHelpers.BetterParseHDFingerprint(mfpString, reverseByteOrder: reverseByteOrder);
ExtPubKey extPubKey = NBitcoinHelpers.BetterParseExtPubKey(xpubString);
Logger.LogInfo <LoadWalletViewModel>("Creating new wallet file.");
var walletName = Global.GetNextHardwareWalletName(customPrefix: "Coldcard");
var walletFullPath = Global.GetWalletFullPath(walletName);
KeyManager.CreateNewHardwareWalletWatchOnly(mfp, extPubKey, walletFullPath);
owner.SelectLoadWallet();
}
}
catch (Exception ex)
{
SetWarningMessage(ex.ToTypeMessageString());
Logger.LogError <LoadWalletViewModel>(ex);
}
}, outputScheduler: RxApp.MainThreadScheduler);
OpenBrowserCommand = ReactiveCommand.Create <string>(x =>
{
IoHelpers.OpenBrowser(x);
});
OpenBrowserCommand.ThrownExceptions.Subscribe(Logger.LogWarning <LoadWalletViewModel>);
LoadCommand.ThrownExceptions.Subscribe(Logger.LogWarning <LoadWalletViewModel>);
TestPasswordCommand.ThrownExceptions.Subscribe(Logger.LogWarning <LoadWalletViewModel>);
OpenFolderCommand.ThrownExceptions.Subscribe(Logger.LogWarning <LoadWalletViewModel>);
ImportColdcardCommand.ThrownExceptions.Subscribe(Logger.LogWarning <LoadWalletViewModel>);
SetLoadButtonText();
IsHwWalletSearchTextVisible = LoadWalletType == LoadWalletType.Hardware;
}
public async Task LedgerNanoSKataAsync()
{
// --- USER INTERACTIONS ---
//
// Connect an already initialized device and unlock it and enter to Bitcoin App.
// Run this test.
// displayaddress request: refuse (accept Warning messages)
// displayaddress request: confirm
// displayaddress request: confirm
// signtx request: refuse
// signtx request: confirm
//
// --- USER INTERACTIONS ---
var network = Network.Main;
var client = new HwiClient(network);
using var cts = new CancellationTokenSource(ReasonableRequestTimeout);
var enumerate = await client.EnumerateAsync(cts.Token);
HwiEnumerateEntry entry = Assert.Single(enumerate);
Assert.NotNull(entry.Path);
Assert.Equal(HardwareWalletModels.Ledger_Nano_S, entry.Model);
Assert.True(entry.Fingerprint.HasValue);
Assert.Null(entry.Code);
Assert.Null(entry.Error);
Assert.Null(entry.SerialNumber);
Assert.False(entry.NeedsPassphraseSent);
Assert.False(entry.NeedsPinSent);
string devicePath = entry.Path;
HardwareWalletModels deviceType = entry.Model;
HDFingerprint fingerprint = entry.Fingerprint.Value;
await Assert.ThrowsAsync <HwiException>(async() => await client.SetupAsync(deviceType, devicePath, false, cts.Token));
await Assert.ThrowsAsync <HwiException>(async() => await client.RestoreAsync(deviceType, devicePath, false, cts.Token));
await Assert.ThrowsAsync <HwiException>(async() => await client.PromptPinAsync(deviceType, devicePath, cts.Token));
await Assert.ThrowsAsync <HwiException>(async() => await client.SendPinAsync(deviceType, devicePath, 1111, cts.Token));
KeyPath keyPath1 = KeyManager.DefaultAccountKeyPath;
KeyPath keyPath2 = KeyManager.DefaultAccountKeyPath.Derive(1);
ExtPubKey xpub1 = await client.GetXpubAsync(deviceType, devicePath, keyPath1, cts.Token);
ExtPubKey xpub2 = await client.GetXpubAsync(deviceType, devicePath, keyPath2, cts.Token);
Assert.NotNull(xpub1);
Assert.NotNull(xpub2);
Assert.NotEqual(xpub1, xpub2);
// USER SHOULD REFUSE ACTION
await Assert.ThrowsAsync <HwiException>(async() => await client.DisplayAddressAsync(deviceType, devicePath, keyPath1, cts.Token));
// USER: CONFIRM
BitcoinWitPubKeyAddress address1 = await client.DisplayAddressAsync(deviceType, devicePath, keyPath1, cts.Token);
// USER: CONFIRM
BitcoinWitPubKeyAddress address2 = await client.DisplayAddressAsync(fingerprint, keyPath2, cts.Token);
Assert.NotNull(address1);
Assert.NotNull(address2);
Assert.NotEqual(address1, address2);
var expectedAddress1 = xpub1.PubKey.GetAddress(ScriptPubKeyType.Segwit, network);
var expectedAddress2 = xpub2.PubKey.GetAddress(ScriptPubKeyType.Segwit, network);
Assert.Equal(expectedAddress1, address1);
Assert.Equal(expectedAddress2, address2);
// USER: REFUSE
PSBT psbt = BuildPsbt(network, fingerprint, xpub1, keyPath1);
var ex = await Assert.ThrowsAsync <HwiException>(async() => await client.SignTxAsync(deviceType, devicePath, psbt, cts.Token));
Assert.Equal(HwiErrorCode.BadArgument, ex.ErrorCode);
// USER: CONFIRM
PSBT signedPsbt = await client.SignTxAsync(deviceType, devicePath, psbt, cts.Token);
Transaction signedTx = signedPsbt.GetOriginalTransaction();
Assert.Equal(psbt.GetOriginalTransaction().GetHash(), signedTx.GetHash());
var checkResult = signedTx.Check();
Assert.Equal(TransactionCheckResult.Success, checkResult);
}
public static HwiOption Fingerprint(HDFingerprint fingerprint) => new HwiOption(HwiOptions.Fingerprint, fingerprint.ToString());
public async Task LedgerNanoXKataAsync()
{
// --- USER INTERACTIONS ---
//
// Connect and initialize your Nano X with the following seed phrase:
// more maid moon upgrade layer alter marine screen benefit way cover alcohol
// Run this test.
// displayaddress request(derivation path): approve
// displayaddress request: reject
// displayaddress request(derivation path): approve
// displayaddress request: approve
// displayaddress request(derivation path): approve
// displayaddress request: approve
// signtx request: reject
// signtx request: accept
// confirm transaction: accept and send
//
// --- USER INTERACTIONS ---
var network = Network.Main;
var client = new HwiClient(network);
using var cts = new CancellationTokenSource(ReasonableRequestTimeout);
var enumerate = await client.EnumerateAsync(cts.Token);
HwiEnumerateEntry entry = Assert.Single(enumerate);
Assert.NotNull(entry.Path);
Assert.Equal(HardwareWalletModels.Ledger_Nano_X, entry.Model);
Assert.NotNull(entry.Fingerprint);
Assert.Null(entry.Code);
Assert.Null(entry.Error);
Assert.Null(entry.SerialNumber);
Assert.False(entry.NeedsPassphraseSent);
Assert.False(entry.NeedsPinSent);
string devicePath = entry.Path;
HardwareWalletModels deviceType = entry.Model;
HDFingerprint fingerprint = entry.Fingerprint !.Value;
await Assert.ThrowsAsync <HwiException>(async() => await client.SetupAsync(deviceType, devicePath, false, cts.Token));
await Assert.ThrowsAsync <HwiException>(async() => await client.RestoreAsync(deviceType, devicePath, false, cts.Token));
await Assert.ThrowsAsync <HwiException>(async() => await client.PromptPinAsync(deviceType, devicePath, cts.Token));
await Assert.ThrowsAsync <HwiException>(async() => await client.SendPinAsync(deviceType, devicePath, 1111, cts.Token));
KeyPath keyPath1 = KeyManager.GetAccountKeyPath(network);
KeyPath keyPath2 = KeyManager.GetAccountKeyPath(network).Derive(1);
ExtPubKey xpub1 = await client.GetXpubAsync(deviceType, devicePath, keyPath1, cts.Token);
ExtPubKey xpub2 = await client.GetXpubAsync(deviceType, devicePath, keyPath2, cts.Token);
Assert.NotNull(xpub1);
Assert.NotNull(xpub2);
Assert.NotEqual(xpub1, xpub2);
// USER SHOULD REFUSE ACTION
await Assert.ThrowsAsync <HwiException>(async() => await client.DisplayAddressAsync(deviceType, devicePath, keyPath1, cts.Token));
// USER: CONFIRM
BitcoinWitPubKeyAddress address1 = await client.DisplayAddressAsync(deviceType, devicePath, keyPath1, cts.Token);
// USER: CONFIRM
BitcoinWitPubKeyAddress address2 = await client.DisplayAddressAsync(fingerprint, keyPath2, cts.Token);
Assert.NotNull(address1);
Assert.NotNull(address2);
Assert.NotEqual(address1, address2);
var expectedAddress1 = xpub1.PubKey.GetAddress(ScriptPubKeyType.Segwit, network);
var expectedAddress2 = xpub2.PubKey.GetAddress(ScriptPubKeyType.Segwit, network);
Assert.Equal(expectedAddress1, address1);
Assert.Equal(expectedAddress2, address2);
// USER: REFUSE
var ex = await Assert.ThrowsAsync <HwiException>(async() => await client.SignTxAsync(deviceType, devicePath, Psbt, cts.Token));
Assert.Equal(HwiErrorCode.BadArgument, ex.ErrorCode);
// USER: CONFIRM
PSBT signedPsbt = await client.SignTxAsync(deviceType, devicePath, Psbt, cts.Token);
Transaction signedTx = signedPsbt.GetOriginalTransaction();
Assert.Equal(Psbt.GetOriginalTransaction().GetHash(), signedTx.GetHash());
var checkResult = signedTx.Check();
Assert.Equal(TransactionCheckResult.Success, checkResult);
}
public async Task TrezorTKataAsync()
{
// --- USER INTERACTIONS ---
//
// Connect and initialize your Trezor T with the following seed phrase:
// more maid moon upgrade layer alter marine screen benefit way cover alcohol
// Run this test.
// displayaddress request: confirm 1 time
// displayaddress request: confirm 1 time
// signtx request: refuse 1 time
// signtx request: Hold to confirm
//
// --- USER INTERACTIONS ---
var network = Network.Main;
var client = new HwiClient(network);
using var cts = new CancellationTokenSource(ReasonableRequestTimeout);
var enumerate = await client.EnumerateAsync(cts.Token);
Assert.Single(enumerate);
HwiEnumerateEntry entry = enumerate.Single();
Assert.NotNull(entry.Path);
Assert.Equal(HardwareWalletModels.Trezor_T, entry.Model);
Assert.NotNull(entry.Fingerprint);
string devicePath = entry.Path;
HardwareWalletModels deviceType = entry.Model;
HDFingerprint fingerprint = entry.Fingerprint !.Value;
await Assert.ThrowsAsync <HwiException>(async() => await client.SetupAsync(deviceType, devicePath, false, cts.Token));
await Assert.ThrowsAsync <HwiException>(async() => await client.RestoreAsync(deviceType, devicePath, false, cts.Token));
// Trezor T doesn't support it.
await Assert.ThrowsAsync <HwiException>(async() => await client.PromptPinAsync(deviceType, devicePath, cts.Token));
// Trezor T doesn't support it.
await Assert.ThrowsAsync <HwiException>(async() => await client.SendPinAsync(deviceType, devicePath, 1111, cts.Token));
// Because of the Trezor T 2.3.5 firmware update,
// we cannot use any longer the KeyManager.DefaultAccountKeyPath.
KeyPath keyPath1 = new("m/84h/0h/0h/0/0");
KeyPath keyPath2 = new("m/84h/0h/0h/0/1");
ExtPubKey xpub1 = await client.GetXpubAsync(deviceType, devicePath, keyPath1, cts.Token);
ExtPubKey xpub2 = await client.GetXpubAsync(deviceType, devicePath, keyPath2, cts.Token);
Assert.NotNull(xpub1);
Assert.NotNull(xpub2);
Assert.NotEqual(xpub1, xpub2);
// USER: CONFIRM
BitcoinWitPubKeyAddress address1 = await client.DisplayAddressAsync(deviceType, devicePath, keyPath1, cts.Token);
// USER: CONFIRM
BitcoinWitPubKeyAddress address2 = await client.DisplayAddressAsync(fingerprint, keyPath2, cts.Token);
Assert.NotNull(address1);
Assert.NotNull(address2);
Assert.NotEqual(address1, address2);
var expectedAddress1 = xpub1.PubKey.GetAddress(ScriptPubKeyType.Segwit, network);
var expectedAddress2 = xpub2.PubKey.GetAddress(ScriptPubKeyType.Segwit, network);
Assert.Equal(expectedAddress1, address1);
Assert.Equal(expectedAddress2, address2);
// USER SHOULD REFUSE ACTION
var result = await Assert.ThrowsAsync <HwiException>(async() => await client.SignTxAsync(deviceType, devicePath, Psbt, cts.Token));
Assert.Equal(HwiErrorCode.ActionCanceled, result.ErrorCode);
// USER: Hold to confirm
PSBT signedPsbt = await client.SignTxAsync(deviceType, devicePath, Psbt, cts.Token);
Transaction signedTx = signedPsbt.GetOriginalTransaction();
Assert.Equal(Psbt.GetOriginalTransaction().GetHash(), signedTx.GetHash());
var checkResult = signedTx.Check();
Assert.Equal(TransactionCheckResult.Success, checkResult);
}
public async Task PromptPinAsync(HDFingerprint fingerprint, CancellationToken cancel) => await PromptPinImplAsync(null, null, fingerprint, cancel);
public async Task ColdCardKataAsync()
{
// --- USER INTERACTIONS ---
//
// Connect an already initialized device and unlock it.
// Run this test.
// signtx request: refuse
// signtx request: confirm
//
// --- USER INTERACTIONS ---
var network = Network.Main;
var client = new HwiClient(network);
using var cts = new CancellationTokenSource(ReasonableRequestTimeout);
var enumerate = await client.EnumerateAsync(cts.Token);
Assert.Single(enumerate);
HwiEnumerateEntry entry = enumerate.Single();
Assert.NotNull(entry.Path);
Assert.Equal(HardwareWalletModels.Coldcard, entry.Model);
Assert.True(entry.Fingerprint.HasValue);
string devicePath = entry.Path;
HardwareWalletModels deviceType = entry.Model;
HDFingerprint fingerprint = entry.Fingerprint.Value;
// ColdCard doesn't support it.
await Assert.ThrowsAsync <HwiException>(async() => await client.WipeAsync(deviceType, devicePath, cts.Token));
// ColdCard doesn't support it.
await Assert.ThrowsAsync <HwiException>(async() => await client.SetupAsync(deviceType, devicePath, false, cts.Token));
// ColdCard doesn't support it.
await Assert.ThrowsAsync <HwiException>(async() => await client.RestoreAsync(deviceType, devicePath, false, cts.Token));
// ColdCard doesn't support it.
await Assert.ThrowsAsync <HwiException>(async() => await client.PromptPinAsync(deviceType, devicePath, cts.Token));
// ColdCard doesn't support it.
await Assert.ThrowsAsync <HwiException>(async() => await client.SendPinAsync(deviceType, devicePath, 1111, cts.Token));
KeyPath keyPath1 = KeyManager.DefaultAccountKeyPath;
KeyPath keyPath2 = KeyManager.DefaultAccountKeyPath.Derive(1);
ExtPubKey xpub1 = await client.GetXpubAsync(deviceType, devicePath, keyPath1, cts.Token);
ExtPubKey xpub2 = await client.GetXpubAsync(deviceType, devicePath, keyPath2, cts.Token);
Assert.NotNull(xpub1);
Assert.NotNull(xpub2);
Assert.NotEqual(xpub1, xpub2);
PSBT psbt = BuildPsbt(network, fingerprint, xpub1, keyPath1);
// USER: REFUSE
var ex = await Assert.ThrowsAsync <HwiException>(async() => await client.SignTxAsync(deviceType, devicePath, psbt, cts.Token));
Assert.Equal(HwiErrorCode.ActionCanceled, ex.ErrorCode);
// USER: CONFIRM
PSBT signedPsbt = await client.SignTxAsync(deviceType, devicePath, psbt, cts.Token);
Transaction signedTx = signedPsbt.GetOriginalTransaction();
Assert.Equal(psbt.GetOriginalTransaction().GetHash(), signedTx.GetHash());
var checkResult = signedTx.Check();
Assert.Equal(TransactionCheckResult.Success, checkResult);
// ColdCard just display the address. There is no confirm/refuse action.
BitcoinWitPubKeyAddress address1 = await client.DisplayAddressAsync(deviceType, devicePath, keyPath1, cts.Token);
BitcoinWitPubKeyAddress address2 = await client.DisplayAddressAsync(fingerprint, keyPath2, cts.Token);
Assert.NotNull(address1);
Assert.NotNull(address2);
Assert.NotEqual(address1, address2);
var expectedAddress1 = xpub1.PubKey.GetAddress(ScriptPubKeyType.Segwit, network);
var expectedAddress2 = xpub2.PubKey.GetAddress(ScriptPubKeyType.Segwit, network);
Assert.Equal(expectedAddress1, address1);
Assert.Equal(expectedAddress2, address2);
}
public async Task <ExtPubKey> GetXpubAsync(HDFingerprint fingerprint, KeyPath keyPath, CancellationToken cancel) => await GetXpubImplAsync(null, null, fingerprint, keyPath, cancel);
public async Task TrezorTKataAsync()
{
// --- USER INTERACTIONS ---
//
// Connect and initialize your Trezor T with the following seed phrase:
// more maid moon upgrade layer alter marine screen benefit way cover alcohol
// Run this test.
// displayaddress request: refuse 1 time
// displayaddress request: confirm 2 times
// displayaddress request: confirm 1 time
// signtx request: confirm 23 times + Hold to confirm
//
// --- USER INTERACTIONS ---
var network = Network.Main;
var client = new HwiClient(network);
using var cts = new CancellationTokenSource(ReasonableRequestTimeout);
var enumerate = await client.EnumerateAsync(cts.Token);
Assert.Single(enumerate);
HwiEnumerateEntry entry = enumerate.Single();
Assert.NotNull(entry.Path);
Assert.Equal(HardwareWalletModels.Trezor_T, entry.Model);
Assert.True(entry.Fingerprint.HasValue);
string devicePath = entry.Path;
HardwareWalletModels deviceType = entry.Model;
HDFingerprint fingerprint = entry.Fingerprint.Value;
await Assert.ThrowsAsync <HwiException>(async() => await client.SetupAsync(deviceType, devicePath, false, cts.Token));
await Assert.ThrowsAsync <HwiException>(async() => await client.RestoreAsync(deviceType, devicePath, false, cts.Token));
// Trezor T doesn't support it.
await Assert.ThrowsAsync <HwiException>(async() => await client.PromptPinAsync(deviceType, devicePath, cts.Token));
// Trezor T doesn't support it.
await Assert.ThrowsAsync <HwiException>(async() => await client.SendPinAsync(deviceType, devicePath, 1111, cts.Token));
KeyPath keyPath1 = KeyManager.DefaultAccountKeyPath;
KeyPath keyPath2 = KeyManager.DefaultAccountKeyPath.Derive(1);
ExtPubKey xpub1 = await client.GetXpubAsync(deviceType, devicePath, keyPath1, cts.Token);
ExtPubKey xpub2 = await client.GetXpubAsync(deviceType, devicePath, keyPath2, cts.Token);
Assert.NotNull(xpub1);
Assert.NotNull(xpub2);
Assert.NotEqual(xpub1, xpub2);
// USER SHOULD REFUSE ACTION
await Assert.ThrowsAsync <HwiException>(async() => await client.DisplayAddressAsync(deviceType, devicePath, keyPath1, cts.Token));
// USER: CONFIRM 2 TIMES
BitcoinWitPubKeyAddress address1 = await client.DisplayAddressAsync(deviceType, devicePath, keyPath1, cts.Token);
// USER: CONFIRM 1 TIME
BitcoinWitPubKeyAddress address2 = await client.DisplayAddressAsync(fingerprint, keyPath2, cts.Token);
Assert.NotNull(address1);
Assert.NotNull(address2);
Assert.NotEqual(address1, address2);
var expectedAddress1 = xpub1.PubKey.GetAddress(ScriptPubKeyType.Segwit, network);
var expectedAddress2 = xpub2.PubKey.GetAddress(ScriptPubKeyType.Segwit, network);
Assert.Equal(expectedAddress1, address1);
Assert.Equal(expectedAddress2, address2);
// USER: CONFIRM 23 TIMES + Hold to confirm
// The user has to confirm multiple times because this transaction spends 22 inputs.
// The transaction is similar to these transactions:
// https://blockstream.info/testnet/tx/580d04a1891bf5b03a972eb63791e57ca39b85476d45f1d82a09732fe4c9214d
// https://blockstream.info/testnet/tx/82cd8165a4fb3276354a817ad1b991a0c4af7d6d438f9052f34d58712f873457
PSBT psbt = 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network);
PSBT signedPsbt = await client.SignTxAsync(deviceType, devicePath, psbt, cts.Token);
Transaction signedTx = signedPsbt.GetOriginalTransaction();
Assert.Equal(psbt.GetOriginalTransaction().GetHash(), signedTx.GetHash());
var checkResult = signedTx.Check();
Assert.Equal(TransactionCheckResult.Success, checkResult);
}
public async Task <BitcoinWitPubKeyAddress> DisplayAddressAsync(HDFingerprint fingerprint, KeyPath keyPath, CancellationToken cancel) => await DisplayAddressImplAsync(null, null, fingerprint, keyPath, cancel);
public static KeyManager CreateNewHardwareWalletWatchOnly(HDFingerprint masterFingerpring, ExtPubKey extPubKey, string filePath = null)
{
return(new KeyManager(null, null, masterFingerpring, extPubKey, null, AbsoluteMinGapLimit, new BlockchainState(), filePath));
}
public async Task <PSBT> SignTxAsync(HDFingerprint fingerprint, PSBT psbt, CancellationToken cancel) => await SignTxImplAsync(null, null, fingerprint, psbt, cancel);
