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);
}
public void CanCreatePayment()
{
var tests = new[]
{
new CanCreatePaymentData
{
//sx stealth-newkey
StealthAddress = "vJmtjxSDxNPXL4RNapp9ARdqKz3uJyf1EDGjr1Fgqs9c8mYsVH82h8wvnA4i5rtJ57mr3kor1EVJrd4e5upACJd588xe52yXtzumxj",
ScanSecret = "3e49e7257cb31db997edb1cf8299af0f37e2663e2260e4b8033e49d39a6d02f2",
ScanPubKey = "025e58a31122b38c86abc119b9379fe247410aee87a533f9c07b189aef6c3c1f52",
SpendSecret = "aa3db0cfb3edc94de4d10f873f8190843f2a17484f6021a95a7742302c744748",
SpendPubKey = "03616562c98e7d7b74be409a787cec3a912122f3fb331a9bee9b0b73ce7b9f50af",
//sx newkey | sx wif-to-secret
EphemSecret = "9e63abaf8dcd5ea3919e6de0b6c544e00bf51bf92496113a01d6e369944dc091",
EphemPubKey = "03403d306ec35238384c7e340393335f9bc9bb4a2e574eb4e419452c4ea19f14b0",
//sx steatlh-uncover-secret [EphemPubKey] [ScanSecret] [SpendSecret]
StealthSecret = "4e422fb1e5e1db6c1f6ab32a7706d368ceb385e7fab098e633c5c5949c3b97cd",
//sx stealth-initiate [EphemSecret] [ScanPubKey] [SpendPubKey] (for sender)
//or
//sx stealth-uncover [EphemPubKey] [ScanSecret] [SpendPubKey] (for receiver)
StealthPubKey = "02726112ad39cb6bf848b1b1ef30b88e35286bf99f746c2be575f96c0e02a9357c",
},
//Need padding for to find the stealth secret
new CanCreatePaymentData {
StealthAddress = "vJmyTEybwCKz7W8y6vP62jo7RoyfLneiANcPLBBNYwn98EXzQRStMKqKGRiZhqscuQ6WKy2J3U3zfx72V3b2J6YvxxBcxUj4XMDsw7",
ScanSecret = "2f517d81cf30e47dbf4809321275bbfd92192af81a6141a17aa53e40bd28fe36",
ScanPubKey = "039d91ae0eebea6dc500fb57b704abce3d3fa700cc762a52bc5dcaee27770a8402",
SpendSecret = "71e33219884fc27011f8da9adcc730f0c2e940759bdb1b615764492bce04fcea",
SpendPubKey = "021a3d5b40ec83fc58b5a23207eb9c99b741d8f0e9f8b80f04f49cec915b540c40",
EphemSecret = "578ffe42c0fbfb324a31f41dbbcd8b1f910ce2f4d803444a83b18ae9f8ccd97e",
EphemPubKey = "03c190be0a1c6e50577b3dd637b1fff9344de31c2544ff3d815535c0515711150f",
StealthSecret = "006d138b4bcef0f09c8784c0cc68f2be4497a1a822d8d7b0519c5c0378b5cb45",
StealthPubKey = "0223a99278a5279ea93718503a42377067e72960eb808d8bff6defdd95d4feff76"
}
};
foreach (CanCreatePaymentData test in tests)
{
Key scan = AssertKeys(test.ScanSecret, test.ScanPubKey);
Key spend = AssertKeys(test.SpendSecret, test.SpendPubKey);
Key ephem = AssertKeys(test.EphemSecret, test.EphemPubKey);
Key stealth = AssertKeys(test.StealthSecret, test.StealthPubKey);
BitcoinStealthAddress address = spend.PubKey.CreateStealthAddress(scan.PubKey, KnownNetworks.Main);
Assert.Equal(test.StealthAddress, address.ToString());
//Try roundtrip
address = new BitcoinStealthAddress(address.ToBytes(), KnownNetworks.Main);
Assert.Equal(test.StealthAddress, address.ToString());
StealthPayment payment = address.CreatePayment(ephem);
Key generatedKey = spend.Uncover(scan, payment.Metadata.EphemKey);
if (stealth != null)
{
Assert.Equal(stealth.PubKey.Hash, payment.StealthKeys[0].ID);
Assert.Equal(stealth.ToBytes(), generatedKey.ToBytes());
}
PubKey uncoveredSender = spend.PubKey.UncoverSender(ephem, scan.PubKey);
PubKey uncovertedReceiver = spend.PubKey.UncoverReceiver(scan, ephem.PubKey);
AssertEx.CollectionEquals(uncoveredSender.ToBytes(), uncovertedReceiver.ToBytes());
AssertEx.CollectionEquals(generatedKey.PubKey.ToBytes(), uncovertedReceiver.ToBytes());
var transaction = new Transaction();
payment.AddToTransaction(transaction, 100);
}
}