public BitcoinExtPubKey GetBitcoinExtPubKey(int?index = null, HdPathType hdPathType = HdPathType.Receive, SafeAccount account = null) => GetBitcoinExtKey(index, hdPathType, account).Neuter();
public PubKey GetPubKey(int index, HdPathType hdPathType, SafeAccount account)
{
return(GetBitcoinExtKey(index, hdPathType, account).PrivateKey.PubKey);
}
public IList <BitcoinAddress> GetFirstNAddresses(AddressType type, int addressCount, HdPathType hdPathType = HdPathType.Receive, SafeAccount account = null)
{
var addresses = new List <BitcoinAddress>();
for (var i = 0; i < addressCount; i++)
{
addresses.Add(GetAddress(type, i, hdPathType, account));
}
return(addresses);
}
// GetP2wpkh pubKey.WitHash.ScriptPubKey.GetDestinationAddress(Network);
// GetP2pkhAddress pubKey.Hash.ScriptPubKey.GetDestinationAddress(Network);
// GetP2shOverP2wpkhAddress pubKey.WitHash.ScriptPubKey.Hash.ScriptPubKey.GetDestinationAddress(Network);
public BitcoinAddress GetAddress(AddressType type, int index, HdPathType hdPathType = HdPathType.Receive, SafeAccount account = null)
{
BitcoinAddress cachedAddress = SafeCache.FirstOrDefault(x => x.Key.Item1 == type && x.Key.Item2 == index && x.Key.Item3 == hdPathType && x.Key.Item4 == account).Value;
if (cachedAddress != null)
{
return(cachedAddress);
}
PubKey pubKey = GetPubKey(index, hdPathType, account);
BitcoinAddress address = null;
if (type == AddressType.Pay2WitnessPublicKeyHash)
{
address = pubKey.WitHash.ScriptPubKey.GetDestinationAddress(Network);
}
else if (type == AddressType.Pay2PublicKeyHash)
{
address = pubKey.Hash.ScriptPubKey.GetDestinationAddress(Network);
}
else if (type == AddressType.Pay2ScriptHashOverPay2WitnessPublicKeyHash)
{
address = pubKey.WitHash.ScriptPubKey.Hash.ScriptPubKey.GetDestinationAddress(Network);
}
else
{
throw new NotSupportedException(type.ToString());
}
SafeCache.TryAdd(new Tuple <AddressType, int, HdPathType, SafeAccount>(type, index, hdPathType, account), address);
return(address);
}
public BitcoinExtKey GetBitcoinExtKey(int?index = null, HdPathType hdPathType = HdPathType.Receive, SafeAccount account = null)
{
string firstPart = "";
if (account != null)
{
firstPart += Hierarchy.GetPathString(account) + "/";
}
firstPart += Hierarchy.GetPathString(hdPathType);
string lastPart;
if (index == null)
{
lastPart = "";
}
else if (hdPathType == HdPathType.NonHardened)
{
lastPart = $"/{index}";
}
else
{
lastPart = $"/{index}'";
}
KeyPath keyPath = new KeyPath(firstPart + lastPart);
return(ExtKey.Derive(keyPath).GetWif(Network));
}
public BitcoinExtKey FindPrivateKey(BitcoinAddress address, int stopSearchAfterIteration = 100000, SafeAccount account = null)
{
foreach (AddressType type in Enum.GetValues(typeof(AddressType)))
{
for (int i = 0; i < stopSearchAfterIteration; i++)
{
if (GetAddress(type, i, HdPathType.Receive, account) == address)
{
return(GetBitcoinExtKey(i, HdPathType.Receive, account));
}
if (GetAddress(type, i, HdPathType.Change, account) == address)
{
return(GetBitcoinExtKey(i, HdPathType.Change, account));
}
if (GetAddress(type, i, HdPathType.NonHardened, account) == address)
{
return(GetBitcoinExtKey(i, HdPathType.NonHardened, account));
}
}
}
throw new KeyNotFoundException(address.ToString());
}
public static string GetPathString(SafeAccount account) => account.PathString;
