private void Code11()
{
var scanKey = new Key();
var spendKey = new Key();
BitcoinStealthAddress stealthAddress
= new BitcoinStealthAddress
(
scanKey: scanKey.PubKey,
pubKeys: new[] { spendKey.PubKey },
signatureCount: 1,
bitfield: null,
network: Network.Main);
var ephem = new Key();
StealthPayment payment = stealthAddress.CreatePayment(ephem);
Transaction transaction = new Transaction();
payment.AddToTransaction(transaction, Money.Coins(1.0m));
Console.WriteLine(transaction);
payment = stealthAddress.GetPayments(transaction, scanKey).FirstOrDefault();
//Optional check (GetPayment already do it)
BitcoinAddress expectedAddress = payment.StealthKeys[0].GetAddress(Network.Main);
bool hasPayment = transaction
.Outputs
.Any(o => o.ScriptPubKey.GetDestinationAddress(Network.Main) == expectedAddress);
Console.WriteLine(hasPayment);
////
payment = stealthAddress.GetPayments(transaction, scanKey).FirstOrDefault();
Key privateKey = spendKey.Uncover(scanKey, payment.Metadata.EphemKey);
expectedAddress = privateKey.PubKey.GetAddress(Network.Main);
bool isRightKey = transaction
.Outputs
.Any(o => o.ScriptPubKey.GetDestinationAddress(Network.Main) == expectedAddress);
Console.WriteLine(isRightKey);
}
/// <summary>
/// Scan the Transaction for StealthCoin given address and scan key
/// </summary>
/// <param name="tx">The transaction to scan</param>
/// <param name="address">The stealth address</param>
/// <param name="scan">The scan private key</param>
/// <returns></returns>
public static StealthCoin Find(Transaction tx, BitcoinStealthAddress address, Key scan)
{
var payment = address.GetPayments(tx, scan).FirstOrDefault();
if (payment == null)
{
return(null);
}
var txId = tx.GetHash();
var txout = tx.Outputs.First(o => o.ScriptPubKey == payment.ScriptPubKey);
return(new StealthCoin(new OutPoint(txId, tx.Outputs.IndexOf(txout)), txout, payment.Redeem, payment.Metadata, address));
}
/// <summary>
/// Scan the Transaction for StealthCoin given address and scan key
/// </summary>
/// <param name="tx">The transaction to scan</param>
/// <param name="address">The stealth address</param>
/// <param name="scan">The scan private key</param>
/// <returns></returns>
public static StealthCoin Find(Transaction tx, BitcoinStealthAddress address, Key scan)
{
var payment = address.GetPayments(tx, scan).FirstOrDefault();
if(payment == null)
return null;
var txId = tx.GetHash();
var txout = tx.Outputs.First(o => o.ScriptPubKey == payment.ScriptPubKey);
return new StealthCoin(new OutPoint(txId, tx.Outputs.IndexOf(txout)), txout, payment.Redeem, payment.Metadata, address);
}
