/// <summary>
/// Gets the extended private key for the given address.
/// </summary>
/// <param name="password">The password used to encrypt/decrypt sensitive info.</param>
/// <param name="address">The address to get the private key for.</param>
/// <returns>The extended private key.</returns>
public ISecret GetExtendedPrivateKeyForAddress(string password, HdAddress address)
{
Guard.NotEmpty(password, nameof(password));
Guard.NotNull(address, nameof(address));
// Check if the wallet contains the address.
if (!this.ContainsAddress(address))
{
throw new WalletException("Address not found on wallet.");
}
// get extended private key
Key privateKey = HdOperations.DecryptSeed(this.EncryptedSeed, password, this.Network);
return(HdOperations.GetExtendedPrivateKey(privateKey, this.ChainCode, address.HdPath, this.Network));
}
public void pubKeysDerivedFromExtendedPrivateAndPublicKeysMatch()
{
string password = "******";
string passphrase = password;
string mnemonic = "chalk call anger chase endless level slow sleep coast left sand enter save bind curious puzzle stadium volume mixture shuffle hurry gas borrow believe";
ExtKey extendedKey = HdOperations.GetExtendedKey(mnemonic, passphrase);
string encryptedSeed = extendedKey.PrivateKey.GetEncryptedBitcoinSecret(password, this.Network).ToWif();
Key privateKey = HdOperations.DecryptSeed(encryptedSeed, password, this.Network);
string accountHdPath = HdOperations.GetAccountHdPath(COINTYPE, 0);
string path = HdOperations.CreateHdPath(COINTYPE, 0, false, 0);
ExtPubKey accountExtPubKey = HdOperations.GetExtendedPublicKey(privateKey, extendedKey.ChainCode, accountHdPath);
var subjectPubKey = HdOperations.GeneratePublicKey(accountExtPubKey.ToString(this.Network), 0, false, this.Network);
var subjectPrivKey = HdOperations.GetExtendedPrivateKey(privateKey, extendedKey.ChainCode, path, this.Network);
Assert.Equal(subjectPubKey.ScriptPubKey, subjectPrivKey.PrivateKey.PubKey.ScriptPubKey);
}