public KeyManager(BitcoinEncryptedSecretNoEC encryptedSecret, byte[] chainCode, HDFingerprint?masterFingerprint, ExtPubKey extPubKey, bool?passwordVerified, int?minGapLimit, BlockchainState blockchainState, string filePath = null, KeyPath accountKeyPath = null)
{
HdPubKeys = new List <HdPubKey>();
HdPubKeyScriptBytes = new List <byte[]>();
ScriptHdPubKeyMap = new Dictionary <Script, HdPubKey>();
HdPubKeysLock = new object();
HdPubKeyScriptBytesLock = new object();
ScriptHdPubKeyMapLock = new object();
BlockchainStateLock = new object();
EncryptedSecret = encryptedSecret;
ChainCode = chainCode;
MasterFingerprint = masterFingerprint;
ExtPubKey = Guard.NotNull(nameof(extPubKey), extPubKey);
PasswordVerified = passwordVerified;
SetMinGapLimit(minGapLimit);
BlockchainState = blockchainState ?? new BlockchainState();
HardwareWalletInfo = null;
AccountKeyPath = accountKeyPath ?? DefaultAccountKeyPath;
SetFilePath(filePath);
ToFileLock = new object();
ToFile();
}
public KeyManager(BitcoinEncryptedSecretNoEC encryptedSecret, byte[] chainCode, string password, int minGapLimit = AbsoluteMinGapLimit, string filePath = null, KeyPath accountKeyPath = null)
{
HdPubKeys = new List <HdPubKey>();
HdPubKeyScriptBytes = new List <byte[]>();
ScriptHdPubKeyMap = new Dictionary <Script, HdPubKey>();
HdPubKeysLock = new object();
HdPubKeyScriptBytesLock = new object();
ScriptHdPubKeyMapLock = new object();
BlockchainState = new BlockchainState();
BlockchainStateLock = new object();
HardwareWalletInfo = null;
if (password is null)
{
password = "";
}
SetMinGapLimit(minGapLimit);
EncryptedSecret = Guard.NotNull(nameof(encryptedSecret), encryptedSecret);
ChainCode = Guard.NotNull(nameof(chainCode), chainCode);
var extKey = new ExtKey(encryptedSecret.GetKey(password), chainCode);
MasterFingerprint = extKey.Neuter().PubKey.GetHDFingerPrint();
AccountKeyPath = accountKeyPath ?? DefaultAccountKeyPath;
ExtPubKey = extKey.Derive(AccountKeyPath).Neuter();
SetFilePath(filePath);
ToFileLock = new object();
ToFile();
}
public static async Task <PSBT> SignTxAsync(HardwareWalletInfo hardwareWalletInfo, PSBT psbt)
{
var psbtString = psbt.ToBase64();
var networkString = Network == Network.Main ? "" : "--testnet";
try
{
JToken jtok = null;
using (CancellationTokenSource cts = new CancellationTokenSource(TimeSpan.FromMinutes(3)))
{
jtok = await SendCommandAsync($"{networkString} --device-type \"{hardwareWalletInfo.Type.ToString().ToLowerInvariant()}\" --device-path \"{hardwareWalletInfo.Path}\" signtx {psbtString}", cts.Token, isMutexPriority : true);
}
JObject json = jtok as JObject;
var signedPsbtString = json.Value <string>("psbt");
var signedPsbt = PSBT.Parse(signedPsbtString, Network);
if (!signedPsbt.IsAllFinalized())
{
signedPsbt.Finalize();
}
return(signedPsbt);
}
catch (IOException ex) when(hardwareWalletInfo.Type == HardwareWalletType.Ledger &&
(ex.Message.Contains("sign_tx cancelled", StringComparison.OrdinalIgnoreCase) ||
ex.Message.Contains("open failed", StringComparison.OrdinalIgnoreCase)))
{
throw new IOException("Log into your Bitcoin account on your Ledger. If you're already logged in, log out and log in again.");
}
catch (IOException ex) when(hardwareWalletInfo.Type == HardwareWalletType.Ledger &&
ex.Message.Contains("Bad argument", StringComparison.OrdinalIgnoreCase))
{
throw new IOException("Ledger refused to sign the transaction.");
}
}
public static async Task <IEnumerable <HardwareWalletInfo> > EnumerateAsync()
{
JToken jtok = null;
using (CancellationTokenSource cts = new CancellationTokenSource(TimeSpan.FromSeconds(60)))
{
jtok = await SendCommandAsync("enumerate", cts.Token);
}
JArray jarr = jtok as JArray;
var hwis = new List <HardwareWalletInfo>();
foreach (JObject json in jarr)
{
var fingerprint = json.Value <string>("fingerprint");
var serialNumber = json.Value <string>("serial_number");
var typeString = json.Value <string>("type");
var path = json.Value <string>("path");
var error = json.Value <string>("error");
var type = (HardwareWalletType)Enum.Parse(typeof(HardwareWalletType), typeString, ignoreCase: true);
var hwi = new HardwareWalletInfo(fingerprint, serialNumber, type, path, error);
hwis.Add(hwi);
}
return(hwis);
}
public LoadWalletEntry(HardwareWalletInfo hwi)
{
if (string.IsNullOrWhiteSpace(hwi.Error))
{
WalletName = hwi.Type.ToString();
}
else if (!hwi.Initialized)
{
WalletName = hwi.Type.ToString() + $" - Not Initialized";
}
else if (!hwi.Ready)
{
WalletName = hwi.Type.ToString() + $" - Device Not Ready";
}
else if (hwi.NeedPin)
{
WalletName = hwi.Type.ToString();
}
else
{
WalletName = hwi.Type.ToString() + $" - Error: {hwi.Error}";
}
HardwareWalletInfo = hwi;
}
public KeyManager(BitcoinEncryptedSecretNoEC encryptedSecret, byte[] chainCode, string password, string filePath = null)
{
HdPubKeys = new List <HdPubKey>();
HdPubKeyScriptBytes = new List <byte[]>();
ScriptHdPubkeyMap = new Dictionary <Script, HdPubKey>();
HdPubKeysLock = new object();
HdPubKeyScriptBytesLock = new object();
ScriptHdPubkeyMapLock = new object();
BlockchainState = new BlockchainState();
BlockchainStateLock = new object();
HardwareWalletInfo = null;
if (password is null)
{
password = "";
}
EncryptedSecret = Guard.NotNull(nameof(encryptedSecret), encryptedSecret);
IsWatchOnly = false;
ChainCode = Guard.NotNull(nameof(chainCode), chainCode);
var extKey = new ExtKey(encryptedSecret.GetKey(password), chainCode);
ExtPubKey = extKey.Derive(AccountKeyPath).Neuter();
SetFilePath(filePath);
ToFileLock = new object();
ToFile();
}
public static async Task <bool> SetupAsync(HardwareWalletInfo hardwareWalletInfo)
{
var networkString = Network == Network.Main ? "" : "--testnet";
JToken jtok = await SendCommandAsync($"{networkString} --device-type \"{hardwareWalletInfo.Type.ToString().ToLowerInvariant()}\" --device-path \"{hardwareWalletInfo.Path}\" --interactive setup");
JObject json = jtok as JObject;
var success = json.Value <bool>("success");
return(success);
}
/// <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 = NBitcoinHelpers.BetterParseExtPubKey(xpub);
return(extpub);
}
public static string GetNextHardwareWalletName(HardwareWalletInfo hwi)
{
for (int i = 0; i < int.MaxValue; i++)
{
var name = $"{hwi.Type}{i}";
if (!File.Exists(Path.Combine(Global.WalletsDir, $"{name}.json")))
{
return(name);
}
}
throw new NotSupportedException("This is impossible.");
}
public static async Task <bool> SetupAsync(HardwareWalletInfo hardwareWalletInfo)
{
var networkString = Network == Network.Main ? "" : "--testnet";
JToken jtok = null;
using (CancellationTokenSource cts = new CancellationTokenSource(TimeSpan.FromMinutes(3)))
{
jtok = await SendCommandAsync($"{networkString} --device-type \"{hardwareWalletInfo.Type.ToString().ToLowerInvariant()}\" --device-path \"{hardwareWalletInfo.Path}\" --interactive setup", cts.Token);
}
JObject json = jtok as JObject;
var success = json.Value <bool>("success");
return(success);
}
public static async Task <PSBT> SignTxAsync(HardwareWalletInfo hardwareWalletInfo, PSBT psbt)
{
var psbtString = psbt.ToBase64();
var networkString = Network == Network.Main ? "" : "--testnet";
JToken jtok = await SendCommandAsync($"{networkString} --device-type \"{hardwareWalletInfo.Type.ToString().ToLowerInvariant()}\" --device-path \"{hardwareWalletInfo.Path}\" signtx {psbtString}");
JObject json = jtok as JObject;
var signedPsbtString = json.Value <string>("psbt");
var signedPsbt = PSBT.Parse(signedPsbtString, Network);
signedPsbt.Finalize();
return(signedPsbt);
}
/// <summary>
/// Acquire bech32 xpub on path: m/84h/0h/0h
/// https://github.com/bitcoin-core/HWI/blob/master/docs/examples.md
/// </summary>
public static async Task <ExtPubKey> GetXpubAsync(HardwareWalletInfo hardwareWalletInfo)
{
var networkString = Network == Network.Main ? "" : "--testnet ";
JToken jtok = null;
using (CancellationTokenSource cts = new CancellationTokenSource(TimeSpan.FromSeconds(60)))
{
jtok = await SendCommandAsync($"{networkString}--device-type \"{hardwareWalletInfo.Type.ToString().ToLowerInvariant()}\" --device-path \"{hardwareWalletInfo.Path}\" getxpub m/84h/0h/0h", cts.Token);
}
JObject json = jtok as JObject;
string xpub = json.Value <string>("xpub");
ExtPubKey extpub = NBitcoinHelpers.BetterParseExtPubKey(xpub);
return(extpub);
}
public KeyManager(BitcoinEncryptedSecretNoEC encryptedSecret, byte[] chainCode, ExtPubKey extPubKey, bool?passwordVerified, BlockchainState blockchainState, string filePath = null)
{
HdPubKeys = new List <HdPubKey>();
HdPubKeyScriptBytes = new List <byte[]>();
ScriptHdPubkeyMap = new Dictionary <Script, HdPubKey>();
HdPubKeysLock = new object();
HdPubKeyScriptBytesLock = new object();
ScriptHdPubkeyMapLock = new object();
BlockchainStateLock = new object();
EncryptedSecret = encryptedSecret;
IsWatchOnly = EncryptedSecret is null;
ChainCode = chainCode;
ExtPubKey = Guard.NotNull(nameof(extPubKey), extPubKey);
PasswordVerified = passwordVerified;
BlockchainState = blockchainState ?? new BlockchainState();
HardwareWalletInfo = null;
SetFilePath(filePath);
ToFileLock = new object();
ToFile();
}
public LoadWalletEntry(string walletName)
{
WalletName = walletName;
HardwareWalletInfo = null;
}
public LoadWalletEntry(HardwareWalletInfo hwi)
{
WalletName = hwi.Type.ToString();
HardwareWalletInfo = hwi;
}
