public BitcoinExtKey Derive(KeyPath keyPath)
{
if (keyPath == null)
{
throw new ArgumentNullException(nameof(keyPath));
}
return(new BitcoinExtKey(ExtKey.Derive(keyPath), Network));
}
public ExtKey Derive(KeyPath derivation)
{
ExtKey result = this;
foreach (var index in derivation.Indexes)
{
result = result.Derive(index);
}
return(result);
}
public PSBT SignAll(ExtKey extkey, KeyPath keyPath, SigHash sigHash)
{
if (extkey == null)
{
throw new ArgumentNullException(nameof(extkey));
}
if (keyPath == null)
{
throw new ArgumentNullException(nameof(keyPath));
}
var privKey = extkey.Derive(keyPath).PrivateKey;
foreach (var input in this.Inputs)
{
if (input.HDKeyPaths.TryGetValue(privKey.PubKey, out var v) &&
v.Item1 != default &&
v.Item1 == extkey.PrivateKey.PubKey.GetHDFingerPrint())
{
input.Sign(privKey);
}
}
return(this);
}
public BitcoinExtKey Derive(uint index)
{
return(new BitcoinExtKey(ExtKey.Derive(index), Network));
}
