public void SetKey(ExtPublicKey pubKey)
{
var prefix = RootService.Network.ExtPublicKey;
var data = new byte[prefix.Length + ExtKey.Bip32KeySize];
prefix.CopyTo(data.Slice(0, prefix.Length));
pubKey.Encode(data.Slice(prefix.Length));
SetData(data, prefix.Length);
}
public ExtPublicKey GetKey()
{
var pubKey = new ExtPublicKey();
if (KeyData.Length == ExtKey.Bip32KeySize)
{
pubKey.Decode(KeyData);
}
return(pubKey);
}
/// <summary>
/// Derives a child hierarchical deterministic public key specified by a key path.
/// </summary>
/// <param name="index"></param>
/// <param name="hardened"></param>
/// <returns></returns>
protected override ExtKey DeriveBase(int index, bool hardened)
{
var cek = new ExtPublicKey
{
Depth = (byte)(Depth + 1),
Child = (uint)index | (hardened ? HardenedBit : 0),
Fingerprint = BitConverter.ToInt32(PublicKey.GetId().Span.Slice(0, 4))
};
bool ok;
(ok, cek.PublicKey, cek.ChainCode) = PublicKey.Derive(cek.Child, ChainCode);
return(ok ? cek : null);
}
public bool Equals(ExtPublicKey o) => !(o is null) && base.Equals(o) && PublicKey == o.PublicKey;
/// <summary> /// BIP32 uses "Neuter" to describe adding the extended key information to the public key /// associated with an extended private key. /// </summary> /// <returns></returns> public ExtPublicKey GetExtPublicKey() => ExtPublicKey.FromPrivateKey(this);
public Base58ExtPublicKey(ExtPublicKey pubKey)
{
SetKey(pubKey);
}