/// <summary>
/// Derive a child address from extended public key
/// </summary>
/// <param name="extPubKeyWif"></param>
private static BitcoinPubKeyAddress DeriveChildAddress(string extPubKeyWif, string keyDerivationPath)
{
ExtPubKey extPubKey = ExtPubKey.Parse(extPubKeyWif, _network);
BitcoinPubKeyAddress childAddress = extPubKey.Derive(KeyPath.Parse(keyDerivationPath)).PubKey.GetAddress(_network);
return(childAddress);
}
public static ExtPubKey BetterParseExtPubKey(string extPubKeyString)
{
extPubKeyString = Guard.NotNullOrEmptyOrWhitespace(nameof(extPubKeyString), extPubKeyString, trim: true);
ExtPubKey epk;
try
{
epk = ExtPubKey.Parse(extPubKeyString, NBitcoin.Altcoins.Litecoin.Instance.Mainnet); // Starts with "ExtPubKey": "xpub...
}
catch
{
try
{
epk = ExtPubKey.Parse(extPubKeyString, NBitcoin.Altcoins.Litecoin.Instance.Testnet); // Starts with "ExtPubKey": "xpub...
}
catch
{
try
{
epk = ExtPubKey.Parse(extPubKeyString, NBitcoin.Altcoins.Litecoin.Instance.Regtest); // Starts with "ExtPubKey": "xpub...
}
catch
{
// Try hex, Old wallet format was like this.
// Doesn't make sense for LTC Litecoin because there's no legacy wallet format to support :
epk = new ExtPubKey(ByteHelpers.FromHex(extPubKeyString)); // Starts with "ExtPubKey": "hexbytes...
}
}
}
return(epk);
}
public static ExtPubKey BetterParseExtPubKey(string extPubKeyString)
{
extPubKeyString = Guard.NotNullOrEmptyOrWhitespace(nameof(extPubKeyString), extPubKeyString, trim: true);
ExtPubKey epk;
try
{
epk = ExtPubKey.Parse(extPubKeyString, Network.Main); // Starts with "ExtPubKey": "xpub...
}
catch
{
try
{
epk = ExtPubKey.Parse(extPubKeyString, Network.TestNet); // Starts with "ExtPubKey": "xpub...
}
catch
{
try
{
epk = ExtPubKey.Parse(extPubKeyString, Network.RegTest); // Starts with "ExtPubKey": "xpub...
}
catch
{
// Try hex, Old wallet format was like this.
epk = new ExtPubKey(ByteHelpers.FromHex(extPubKeyString)); // Starts with "ExtPubKey": "hexbytes...
}
}
}
return(epk);
}
public static (PubKey PubKey, BitcoinPubKeyAddress Address) GenerateAddressKeys(Bitcoin.Features.Wallet.Wallet wallet, string accountExtendedPubKey, string keyPath)
{
var addressPubKey = ExtPubKey.Parse(accountExtendedPubKey).Derive(new KeyPath(keyPath)).PubKey;
var address = addressPubKey.GetAddress(wallet.Network);
return(addressPubKey, address);
}
public static object Interpret(string what)
{
if (what == null)
{
return(null);
}
what = what.Trim();
Base58Type?type = GetBase58Type(what);
Network network = Network.TestNet;
if (type == null)
{
return(null);
}
switch (type)
{
case Base58Type.ASSET_ID: // AssetId(BitcoinAddress).GetWif(Network.TestNet);
return(new BitcoinAssetId(what));
case Base58Type.COLORED_ADDRESS: // BitcoinColoredAddress(BitcoinAddress);
return(new BitcoinColoredAddress(what, network));
case Base58Type.CONFIRMATION_CODE: // Key.ConfirmationCode
return(new BitcoinConfirmationCode(what, network));
case Base58Type.ENCRYPTED_SECRET_KEY_EC: // BitcoinPassphraseCode("my secret", Network.TestNet, null).GenerateEncryptedSecret().EncryptedKey
return(new BitcoinEncryptedSecretEC(what, network));
case Base58Type.ENCRYPTED_SECRET_KEY_NO_EC: // BitcoinEncryptedSecretNoEC(Key,"Password", Network.TestNet);
return(new BitcoinEncryptedSecretNoEC(what, network));
case Base58Type.EXT_PUBLIC_KEY: // Key.PubKey;
return(ExtPubKey.Parse(what, Network.TestNet));
case Base58Type.EXT_SECRET_KEY: // BitcoinExtKey(ExtKey.GetWif(Network.TestNet), Network.TestNet);
return(new BitcoinExtKey(what, network));
case Base58Type.PASSPHRASE_CODE: // BitcoinPassphraseCode("my secret", Network.TestNet, null);
return(new BitcoinPassphraseCode(what, network));
case Base58Type.PUBKEY_ADDRESS: // Key.PubKey.GetAddress(Network.TestNet);
return(new BitcoinAddress(what, network));
case Base58Type.SCRIPT_ADDRESS: // PubKey.ScriptPubKey.GetScriptAddress(Network.TestNet)
return(new BitcoinScriptAddress(what, network));
case Base58Type.SECRET_KEY: // Key.GetBitcoinSecret(Network.TestNet)
return(new BitcoinSecret(what, network));
case Base58Type.STEALTH_ADDRESS: // BitcoinStealthAddress( Key.PubKey, new[] { Key.PubKey }, 1, null, Network.TestNet);
return(new BitcoinStealthAddress(what, network));
case Base58Type.MAX_BASE58_TYPES:
default:
return(null);
}
}
private PubKey GenerateAddress(string accountExtPubKey, int index, bool isChange, Network network)
{
int change = isChange ? 1 : 0;
KeyPath keyPath = new KeyPath($"{change}/{index}");
ExtPubKey extPubKey = ExtPubKey.Parse(accountExtPubKey).Derive(keyPath);
return(extPubKey.PubKey);
}
public void CanRoundTripExtKeyBase58Data()
{
var key = new ExtKey();
var pubkey = key.Neuter();
Assert.True(ExtKey.Parse(key.ToString(Network.Main)).ToString(Network.Main) == key.ToString(Network.Main));
Assert.True(ExtPubKey.Parse(pubkey.ToString(Network.Main)).ToString(Network.Main) == pubkey.ToString(Network.Main));
}
/// <summary>
/// Generates an HD public key derived from an extended public key.
/// </summary>
/// <param name="accountExtPubKey">The extended public key used to generate child keys.</param>
/// <param name="index">The index of the child key to generate.</param>
/// <param name="isChange">A value indicating whether the public key to generate corresponds to a change address.</param>
/// <returns>
/// An HD public key derived from an extended public key.
/// </returns>
public static PubKey GeneratePublicKey(string accountExtPubKey, int index, bool isChange)
{
Guard.NotEmpty(accountExtPubKey, nameof(accountExtPubKey));
int change = isChange ? 1 : 0;
KeyPath keyPath = new KeyPath($"{change}/{index}");
ExtPubKey extPubKey = ExtPubKey.Parse(accountExtPubKey).Derive(keyPath);
return(extPubKey.PubKey);
}
/// <summary>
/// Generates an HD public key derived from an extended public key.
/// </summary>
/// <param name="accountExtPubKey">The extended public key used to generate child keys.</param>
/// <param name="index">The index of the child key to generate.</param>
/// <param name="isChange">A value indicating whether the public key to generate corresponds to a change address.</param>
/// <returns>
/// An HD public key derived from an extended public key.
/// </returns>
public static PubKey GeneratePublicKey(string accountExtPubKey, int index, bool isChange)
{
Guard.NotEmpty(accountExtPubKey, nameof(accountExtPubKey));
int change = isChange ? 1 : 0;
var keyPath = new KeyPath($"{change}/{index}");
// TODO: Should probably explicitly be passing the network into Parse
ExtPubKey extPubKey = ExtPubKey.Parse(accountExtPubKey).Derive(keyPath);
return(extPubKey.PubKey);
}
/// <summary>
/// Acquire bech32 xpub on path: m/84h/0h/0h
/// https://github.com/bitcoin-core/HWI/blob/master/docs/examples.md
/// </summary>
public static async Task <ExtPubKey> GetXpubAsync(HardwareWalletInfo hardwareWalletInfo)
{
var networkString = Network == Network.Main ? "" : "--testnet ";
JToken jtok = await SendCommandAsync($"{networkString}--device-type \"{hardwareWalletInfo.Type.ToString().ToLowerInvariant()}\" --device-path \"{hardwareWalletInfo.Path}\" getxpub m/84h/0h/0h");
JObject json = jtok as JObject;
string xpub = json.Value <string>("xpub");
ExtPubKey extpub = ExtPubKey.Parse(xpub);
return(extpub);
}
public void ShouldFindPublicKeysAccountUsingIndexInitialisingWithWif(string address, int index)
{
var wallet = new Wallet(Words, Password);
var wif = wallet.GetMasterExtPubKey().GetWif(Network.Main).ToWif();
var extPubKey = ExtPubKey.Parse(wif, Network.Main);
Console.WriteLine(wif);
var publicWallet = new PublicWallet(extPubKey);
var account = publicWallet.GetAddress(index);
Assert.Equal(address, account);
}
public Tuple <string, string> CreateTransactionElectrum(string xpubkey1, string xpubkey2, decimal amount1, decimal amount2)
{
if (amount1 <= 0m && amount2 <= 0m)
{
throw new ArgumentException("Amount is less or equal zero");
}
ExtPubKey pubKey1;
ExtPubKey pubKey2;
try
{
pubKey1 = ExtPubKey.Parse(xpubkey1, Network.Main);
pubKey2 = ExtPubKey.Parse(xpubkey2, Network.Main);
}
catch (Exception e)
{
throw new ArgumentException("Extended public key is incorrect");
}
decimal estimateFeeSize = 500m;
var fee = this.Fee(estimateFeeSize);
if (fee == null)
{
throw new Exception("Cannot get fee");
}
var pub1 = GetPubKey(pubKey1, Money.Coins(amount1) + fee / 2);
var pub2 = GetPubKey(pubKey2, Money.Coins(amount2) + fee / 2);
if (pub1 != null && pub2 != null)
{
Script scriptPubKey =
PayToMultiSigTemplate.Instance.GenerateScriptPubKey(
2,
pub1.Item1, pub2.Item1);
var t = new Transaction();
t.AddOutput(Money.Coins(amount1) + Money.Coins(amount2), scriptPubKey.Hash);
int index = 0;
this.AddInputs(t, pubKey1, pub1.Item3, pub1.Item2, ref index, Money.Coins(amount1) + fee / 2);
this.AddInputs(t, pubKey2, pub2.Item3, pub2.Item2, ref index, Money.Coins(amount2) + fee / 2);
return(new Tuple <string, string>(t.ToHex().Replace("594c5701ff4c53ff", "5701ff4c53ff"), scriptPubKey.ToString()));
}
return(null);
}
public IActionResult RecoverViaExtPubKey([FromBody] WalletExtPubRecoveryRequest request)
{
Guard.NotNull(request, nameof(request));
this.logger.LogTrace("({0}.{1}:'{2}')", nameof(request), nameof(request.Name), request.Name);
if (!this.ModelState.IsValid)
{
this.logger.LogTrace("(-)[MODEL_STATE_INVALID]");
return(BuildErrorResponse(this.ModelState));
}
try
{
string accountExtPubKey =
this.network.IsBitcoin()
? request.ExtPubKey
: LegacyExtPubKeyConverter.ConvertIfInLegacyStratisFormat(request.ExtPubKey, this.network);
this.walletManager.RecoverWallet(request.Name, ExtPubKey.Parse(accountExtPubKey), request.AccountIndex,
request.CreationDate);
this.walletSyncManager.SyncFromDate(request.CreationDate);
this.logger.LogTrace("(-)");
return(this.Ok());
}
catch (WalletException e)
{
// Wallet already exists.
this.logger.LogError("Exception occurred: {0}", e.ToString());
return(ErrorHelpers.BuildErrorResponse(HttpStatusCode.Conflict, e.Message, e.ToString()));
}
catch (FileNotFoundException e)
{
// Wallet does not exist.
this.logger.LogError("Exception occurred: {0}", e.ToString());
return(ErrorHelpers.BuildErrorResponse(HttpStatusCode.NotFound, "Wallet not found.", e.ToString()));
}
catch (Exception e)
{
this.logger.LogError("Exception occurred: {0}", e.ToString());
return(ErrorHelpers.BuildErrorResponse(HttpStatusCode.BadRequest, e.Message, e.ToString()));
}
finally
{
this.logger.LogTrace("(-)");
}
}
/// <inheritdoc />
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
var s = (string)reader.Value;
ExtPubKey epk;
try
{
epk = ExtPubKey.Parse(s);
}
catch
{
// Try hex, Old wallet format was like this.
epk = new ExtPubKey(ByteHelpers.FromHex(s));
}
return(epk);
}
private string GetTargetWallet(string currencyCode)
{
switch (currencyCode)
{
case "BTC": {
uint index = (uint)_db.Orders.Where(o => o.CurrencyCode == "BTC").Count();
string xpub = _env.IsDevelopment() ? _configuration["XPubKeys:Dev:BTC"] : _configuration["XPubKeys:Prod:BTC"];
var pubKey = ExtPubKey.Parse(xpub);
var address = pubKey.Derive(0).Derive(index).PubKey.GetSegwitAddress(_env.IsDevelopment() ? Network.TestNet : Network.Main);
return(address.ToString());
};
default: throw new Exception("Unsupported currency");
}
}
private void JackpotCounter()
{
Task.Run(() =>
{
var totalJackpot = 0.0;
var pubkey = ExtPubKey.Parse(_drawSettings.PublicKey);
for (int i = 0; i <= _settings.GetIterator(); i++)
{
var depositAddress = pubkey.Derive(0).Derive((uint)i).PubKey.GetAddress(Network.StratisMain).ToString();
var rc = new RestClient($"https://stratis.guru/api/address/{depositAddress}");
var rq = new RestRequest(Method.GET);
var response = rc.Execute(rq);
dynamic stratisAdressRequest = JsonConvert.DeserializeObject(response.Content);
totalJackpot += (double)stratisAdressRequest.balance;
}
_memoryCache.Set("Jackpot", totalJackpot);
});
}
public IActionResult Participate(string id)
{
ViewBag.Features = _featuresSettings;
ViewBag.Setup = _setupSettings;
if (HttpContext.Session.GetString("HaveBeginParticipation") == null)
{
return(RedirectToAction("Lottery"));
}
ViewBag.NextDraw = long.Parse(_memoryCache.Get("NextDraw").ToString());
ViewBag.Jackpot = _memoryCache.Get("Jackpot");
ViewBag.Players = _participation.GetPlayers(_draws.GetLastDraw());
ViewBag.Participate = true;
var pubkey = ExtPubKey.Parse(_drawSettings.PublicKey);
ViewBag.DepositAddress = pubkey.Derive(0).Derive(_settings.GetIterator()).PubKey.GetAddress(Network.StratisMain);
return(View("Lottery"));
}
private static string GetAddressFromXPUB(string XPUB, uint index, Network network)
{
ExtPubKey pubKey = null;
try {
pubKey = ExtPubKey.Parse(XPUB);
}
catch (Exception e) {
Exception ex = new Exception($"Invalid {CurrencyName} XPUB - {XPUB}", e);
throw ex;
}
try {
string address = pubKey.Derive(0).Derive(index).PubKey.GetScriptAddress(network).ToString();
return(address);
}
catch (Exception e) {
Exception ex = new Exception($"Unable to generate {CurrencyName} address from XPUB - {XPUB}", e);
throw ex;
}
}
public static object InterpretKey(string what)
{
if (what == null)
{
return(null);
}
what = what.Trim();
Base58Type?type = GetBase58Type(what);
Network network = Network.TestNet;
if (type == null)
{
return(null);
}
switch (type)
{
case Base58Type.ENCRYPTED_SECRET_KEY_EC: // BitcoinPassphraseCode("my secret", Network.TestNet, null).GenerateEncryptedSecret().EncryptedKey
return(new BitcoinEncryptedSecretEC(what, network));
case Base58Type.ENCRYPTED_SECRET_KEY_NO_EC: // BitcoinEncryptedSecretNoEC(Key,"Password", Network.TestNet);
return(new BitcoinEncryptedSecretNoEC(what, network));
case Base58Type.EXT_PUBLIC_KEY: // Key.PubKey;
return(ExtPubKey.Parse(what, Network.TestNet));
case Base58Type.EXT_SECRET_KEY: // BitcoinExtKey(ExtKey.GetWif(Network.TestNet), Network.TestNet);
return(new BitcoinExtKey(what, network));
case Base58Type.SECRET_KEY: // Key.GetBitcoinSecret(Network.TestNet)
return(new BitcoinSecret(what, network));
case Base58Type.PASSPHRASE_CODE: // BitcoinPassphraseCode("my secret", Network.TestNet, null);
return(new BitcoinPassphraseCode(what, network));
default:
return(null);
}
}
public IActionResult CreateColdStakingAccount([FromBody] CreateColdStakingAccountRequest request)
{
Guard.NotNull(request, nameof(request));
// Checks that the request is valid.
if (!this.ModelState.IsValid)
{
this.logger.LogTrace("(-)[MODEL_STATE_INVALID]");
return(ModelStateErrors.BuildErrorResponse(this.ModelState));
}
try
{
ExtPubKey extPubKey = null;
try
{
extPubKey = ExtPubKey.Parse(request.ExtPubKey);
}
catch
{
}
var model = new CreateColdStakingAccountResponse
{
AccountName = this.ColdStakingManager.GetOrCreateColdStakingAccount(request.WalletName, request.IsColdWalletAccount, request.WalletPassword, extPubKey).Name
};
this.logger.LogTrace("(-):'{0}'", model);
return(this.Json(model));
}
catch (Exception e)
{
this.logger.LogError("Exception occurred: {0}", e.ToString());
this.logger.LogTrace("(-)[ERROR]");
return(ErrorHelpers.BuildErrorResponse(HttpStatusCode.BadRequest, e.Message, e.ToString()));
}
}
//get child keys for given extended public key
public static List <Tuple <string, string> > GetDerivedKeys(string extPublicKey, uint start, uint cnt, bool chg, bool testnet) //public
{
CheckNullOrEmpty(new object[] { extPublicKey }, new string[] { "extPublicKey" });
//key path -44'\1'\0'\0 << public addresses (0' is wallet [hardened])
//key path -44'\1'\0'\1 << change addresses
//https://programmingblockchain.gitbooks.io/programmingblockchain/content/key_generation/key_generation.html#hd-wallet-bip-32
Network ntwk = testnet ? Network.TestNet : Network.Main;
ExtPubKey k = ExtPubKey.Parse(extPublicKey); //xpub6BszcyR5c6gyrgchEk3XUrdFv4YfWEQzPXJBDN9WE7BEP5mwuSMnbuBv2khudobtUdKwLv1yvRACexYKgStbyKEPcKFTtQzQNdvy61rfLLC
List <Tuple <string, string> > lst = new List <Tuple <string, string> >();
uint addrType = chg ? 1u : 0u; //if change address, type=1. Else type=0 (receive)
for (uint ctr = start; ctr < start + cnt; ctr++)
{
//return short address and long address needed by nbitcoin transaction
lst.Add(new Tuple <string, string>(
k.Derive(addrType).Derive(ctr).PubKey.GetAddress(ntwk).ToString(), //short
k.Derive(addrType).Derive(ctr).PubKey.ToString())); //long
}
return(lst);
}
public IActionResult CheckPayment()
{
ViewBag.Features = _featuresSettings;
ViewBag.Setup = _setupSettings;
var pubkey = ExtPubKey.Parse(_drawSettings.PublicKey);
var depositAddress = pubkey.Derive(0).Derive(_settings.GetIterator()).PubKey.GetAddress(Network.StratisMain).ToString();
ViewBag.DepositAddress = depositAddress;
var rc = new RestClient($"https://stratis.guru/api/address/{depositAddress}");
var rq = new RestRequest(Method.GET);
var response = rc.Execute(rq);
dynamic stratisAdressRequest = JsonConvert.DeserializeObject(response.Content);
if (stratisAdressRequest.unconfirmedBalance + stratisAdressRequest.balance > 0)
{
HttpContext.Session.SetString("Deposited", depositAddress);
HttpContext.Session.SetString("DepositedAmount", ((double)(stratisAdressRequest.unconfirmedBalance + stratisAdressRequest.balance)).ToString());
return(Json(true));
}
return(BadRequest());
}
public static BitcoinExtPubKey BetterParseExtPubKey(string extPubKeyString, Network network, bool ignoreInvalidNetwork)
{
extPubKeyString = Guard.NotNullOrEmptyOrWhitespace(nameof(extPubKeyString), extPubKeyString, trim: true);
ExtPubKey epk;
try
{
epk = ExtPubKey.Parse(extPubKeyString, network); // Starts with "ExtPubKey": "xpub...
}
catch
{
try
{
// Try hex, Old wallet format was like this.
epk = new ExtPubKey(ByteHelpers.FromHex(extPubKeyString)); // Starts with "ExtPubKey": "hexbytes...
}
catch when(ignoreInvalidNetwork)
{
// Let's replace the version prefix
var data = Encoders.Base58Check.DecodeData(extPubKeyString);
var versionBytes = network.GetVersionBytes(Base58Type.EXT_PUBLIC_KEY, true);
if (versionBytes.Length > data.Length)
{
throw;
}
for (int i = 0; i < versionBytes.Length; i++)
{
data[i] = versionBytes[i];
}
extPubKeyString = Encoders.Base58Check.EncodeData(data);
epk = ExtPubKey.Parse(extPubKeyString, network);
}
}
return(epk.GetWif(network));
}
private ExtKey GetMasterKey()
{
if (String.IsNullOrEmpty(WalletExtendedPublicKey))
{
return(ExtKey.Parse(WalletPrivateKey));
}
var xpub = ExtPubKey.Parse(WalletExtendedPublicKey);
var password = default(SecureString);
try
{
var encrypted = BitcoinEncryptedSecret.Create(WalletPrivateKey);
password = GetPassword();
return(new ExtKey(xpub, encrypted.GetKey(new NetworkCredential(String.Empty, password).Password)));
}
catch (FormatException)
{
return(new ExtKey(xpub, Key.Parse(WalletPrivateKey)));
}
catch (SecurityException)
{
Console.WriteLine("Invalid password.");
#if DEBUG
Console.WriteLine("Press Any Key To Exit...");
Console.Read();
#endif
Environment.Exit(1);
return(null);
}
finally
{
password?.Dispose();
}
}
public void Add(HdAccount account)
{
account.WalletAccounts = this;
if (this.walletRepository == null)
{
this.accounts.Add(account);
return;
}
this.walletRepository.CreateAccount(this.wallet.Name, account.Index, account.Name,
(account.ExtendedPubKey == null) ? null : ExtPubKey.Parse(account.ExtendedPubKey), account.CreationTime);
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
var extPubKeyString = (string)reader.Value;
return(ExtPubKey.Parse(extPubKeyString, BitcoinNode.Network));
}
private async Task Run()
{
_currentUser = UserPrincipal.Current;
System.Console.WriteLine("Welcome to the KeepKey C# example console!");
System.Console.WriteLine("Attempting to find KeepKey...");
using (var kk = new KeepKeyDevice())
{
kk.Connected += KkOnConnected;
kk.Disconnected += KkOnDisconnected;
if (!kk.TryOpenDevice())
{
System.Console.WriteLine();
System.Console.WriteLine("No KeepKey connected. Please connect KeepKey to the computer NOW. (Leave the console running)");
await kk.WaitForKeepKeyConnectionAsync();
}
System.Console.WriteLine();
System.Console.WriteLine("Getting features...");
// Step 1. Initialize the device and get a list of it's features
var features = kk.Initialize();
// Print features to console - ouch!
System.Console.WriteLine("Vendor: {0}", features.Vendor);
System.Console.WriteLine("DeviceId: {0}", features.DeviceId);
System.Console.WriteLine("Label: {0}", features.Label);
System.Console.WriteLine("Version: {0}.{1}.{2}", features.MajorVersion.GetValueOrDefault(), features.MinorVersion.GetValueOrDefault(), features.PatchVersion.GetValueOrDefault());
System.Console.WriteLine("Coins: {0}", features.Coins.Select(c => $"{c.CoinName} ({c.CoinShortcut})").Aggregate((c, n) => $"{c}, {n}"));
if (features.Policies.Any())
{
System.Console.WriteLine("Policies: {0}", features.Policies.Select(p => p.PolicyName).Aggregate((c, n) => $"{c}, {n}"));
}
System.Console.Write("Protection: ");
var proPin = features.PinProtection.GetValueOrDefault();
var proPass = features.PassphraseProtection.GetValueOrDefault();
if (proPin && proPass)
{
System.Console.WriteLine("Pin, Passphrase");
}
else if (proPin && !proPass)
{
System.Console.WriteLine("Pin ONLY");
}
else if (!proPin && proPass)
{
System.Console.WriteLine("Passphrase ONLY");
}
else
{
System.Console.WriteLine("Neither!");
}
System.Console.Write("Cached: ");
var cchPin = features.PinCached.GetValueOrDefault();
var cchPass = features.PassphraseCached.GetValueOrDefault();
if (cchPin && cchPass)
{
System.Console.WriteLine("Pin, Passphrase");
}
else if (cchPin && !cchPass)
{
System.Console.WriteLine("Pin");
}
else if (!cchPin && cchPass)
{
System.Console.WriteLine("Passphrase");
}
else
{
System.Console.WriteLine("[nothing]");
}
// Step 2. Have some fun with Ping!
System.Console.WriteLine();
System.Console.WriteLine("Pinging device... (look at it, hold the button)");
var name = _currentUser.DisplayName; // fullname
if (name.IndexOf(' ') != -1)
{
name = name.Split(' ')[0].Trim(); // firstname
}
var pingReply = kk.Ping($"Hello {name}! Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia quis mauris volutpat scelerisque.", true);
System.Console.WriteLine(pingReply);
// Step 3a. Getting the public key MIGHT require the Pin to be entered so lets define a function that allows it be entered via the console
var pinChallengeFunction = new Func <PinMatrixRequestType?, string>(t =>
{
System.Console.WriteLine();
System.Console.WriteLine("PIN CHALLENGE!!");
System.Console.WriteLine("┌───┬───┬───┐");
System.Console.WriteLine("│ 7 │ 8 │ 9 │");
System.Console.WriteLine("├───┼───┼───┤");
System.Console.WriteLine("│ 4 │ 5 │ 6 │");
System.Console.WriteLine("├───┼───┼───┤");
System.Console.WriteLine("│ 1 │ 2 │ 3 │");
System.Console.WriteLine("└───┴───┴───┘");
System.Console.WriteLine("Match the device screen with the above and enter the numbers of your scrambled pin below, press <enter> to send.");
var pin = System.Console.ReadLine();
System.Console.WriteLine();
return(pin);
});
// Step 3b. Get the public key and extract the address
for (var acc = 0; acc < 2; acc++)
{
System.Console.WriteLine();
System.Console.WriteLine("Getting addresses for Bitcoin account {0}...", acc + 1);
System.Console.WriteLine();
for (var adr = 0; adr < 10; adr++)
{
var publicKey = kk.GetPublicKey(pinChallengeFunction, $"44'/0'/{acc}'/0/{adr}");
var extPubKey = ExtPubKey.Parse(publicKey.Xpub, Network.Main);
var pubKey = extPubKey.PubKey;
var address = pubKey.GetAddress(Network.Main);
System.Console.WriteLine("Address: {0}", address);
}
}
System.Console.WriteLine();
System.Console.WriteLine("Press <enter> to quit console gracefully.");
System.Console.ReadLine();
kk.CloseDevice();
}
}
public static string GetDerivedKeysAll(string extKey, uint cnt, bool testnet) //can pass in ext private or public key
{
try
{
string result = "";
Network ntwk = testnet ? Network.TestNet : Network.Main;
bool IsPrv = extKey.Substring(1, 3) == "prv"; //xprv...
ExtPubKey epbk;
if (IsPrv)
{
epbk = ExtKey.Parse(extKey).Neuter();
}
else
{
epbk = ExtPubKey.Parse(extKey);
}
result += "\n" + (IsPrv ? "Private" : "Public") + " key entered. Testnet=" + (ntwk == Network.TestNet) + "\n";
bool chg;
if (IsPrv) //show derived private keys
{
ExtKey k = ExtKey.Parse(extKey);
result += "\n" + "Ext Private Key: " + k.ToString(ntwk);
result += "\n" + "-- Derived Private Keys --";
chg = false;
result += "\n" + " >> Recipient Addresses";
for (uint ctr = 0; ctr < cnt; ctr++)
{
result += "\n" + "" + ctr + ") " + k.Derive(chg ? 1u : 0u).Derive(ctr).PrivateKey.ToString(ntwk) + " : " + k.Derive(chg ? 1u : 0u).Derive(ctr).ToString(ntwk);
}
result += "\n" + " >> Change Addresses";
chg = true;
for (uint ctr = 0; ctr < cnt; ctr++)
{
result += "\n" + "" + ctr + ") " + k.Derive(chg ? 1u : 0u).Derive(ctr).PrivateKey.ToString(ntwk) + " : " + k.Derive(chg ? 1u : 0u).Derive(ctr).ToString(ntwk);
}
result += "\n";
}
result += "\n" + "Ext Public Key: " + epbk.ToString(ntwk);
result += "\n" + "-- Derived Public Keys --";
chg = false;
result += "\n" + " >> Recipient Addresses";
for (uint ctr = 0; ctr < cnt; ctr++)
{
result += "\n" + "" + ctr + ") " + epbk.Derive(chg ? 1u : 0u).Derive(ctr).PubKey.GetAddress(ntwk) + " : " + epbk.Derive(chg ? 1u : 0u).Derive(ctr).ToString(ntwk);
}
result += "\n" + " >> Change Addresses";
chg = true;
for (uint ctr = 0; ctr < cnt; ctr++)
{
result += "\n" + "" + ctr + ") " + epbk.Derive(chg ? 1u : 0u).Derive(ctr).PubKey.GetAddress(ntwk) + " : " + epbk.Derive(chg ? 1u : 0u).Derive(ctr).ToString(ntwk);
}
return(result);
}
catch (Exception ex)
{
return("Error: " + ex.Message);
}
}
public string GenerateAddress(int id, string extPubKey)
{
return(ExtPubKey.Parse(extPubKey).Derive((uint)id).PubKey.GetAddress(Network.TestNet).ToString());
}
public string CreateOutTransactionElectrum(string redeemScript, string xpubkey1, string xpubkey2, decimal amount1, decimal amount2)
{
if (amount1 <= 0m && amount2 <= 0m)
{
throw new ArgumentException("Amount is less or equal zero");
}
Script scriptPubKey;
try
{
scriptPubKey = new Script(redeemScript);
}
catch (Exception e)
{
throw new ArgumentException("Redeem script is incorrect");
}
ExtPubKey xpubKey1;
ExtPubKey xpubKey2;
try
{
xpubKey1 = ExtPubKey.Parse(xpubkey1, Network.Main);
xpubKey2 = ExtPubKey.Parse(xpubkey2, Network.Main);
}
catch (Exception e)
{
throw new ArgumentException("Extended public key is incorrect");
}
decimal estimateFeeSize = 400m;
var fee = this.Fee(estimateFeeSize);
if (fee == null)
{
throw new Exception("Cannot get fee");
}
var pubKeys = scriptPubKey.GetDestinationPublicKeys();
var index1 = this.FindPubKey(xpubKey1, pubKeys[0]);
var index2 = this.FindPubKey(xpubKey2, pubKeys[1]);
var unspentCoins = GetUnspentCoins(scriptPubKey);
var t = new Transaction();
t.AddOutput(Money.Coins(amount1) - fee / 2, pubKeys[0].Hash);
t.AddOutput(Money.Coins(amount2) - fee / 2, pubKeys[1].Hash);
Base58CheckEncoder base58CheckEncoder = new Base58CheckEncoder();
var bytes1 = base58CheckEncoder.DecodeData(xpubKey1.GetWif(Network.Main).ToString());
string hex1 = BitConverter.ToString(bytes1).Replace("-", "").ToLower();
var bytes2 = base58CheckEncoder.DecodeData(xpubKey2.GetWif(Network.Main).ToString());
string hex2 = BitConverter.ToString(bytes2).Replace("-", "").ToLower();
// special script sig in electrum have to contain these magic vars
var s = "0001ff01ff4cad524c53ff" + hex1 + "0000"
+ (index1 > 9 ? index1.ToString() : "0" + index1) + "00" + "4c53ff" + hex2 + "0000"
+ (index2 > 9 ? index2.ToString() : "0" + index2) + "00" + "52ae";
int i = 0;
Money spendMoney = Money.Zero;
foreach (var coin in unspentCoins)
{
t.AddInput(new TxIn(coin.Key.Outpoint));
t.Inputs[i].ScriptSig = new Script(s);
i++;
spendMoney += coin.Key.Amount;
if (spendMoney >= Money.Coins(amount1) + Money.Coins(amount2))
{
if (spendMoney > Money.Coins(amount1) + Money.Coins(amount2))
{
t.AddOutput(spendMoney - (Money.Coins(amount1) + Money.Coins(amount2)), scriptPubKey.Hash);
}
spendMoney = null;
break;
}
}
if (spendMoney == null)
{
return(t.ToHex().Replace("b64cb40001ff01ff4cad524c53ff", "b40001ff01ff4cad524c53ff"));
}
return(null);
}