/// <summary>
/// Builds the receiver.
/// </summary>
/// <returns>The receiver.</returns>
public CoinService BuildReceiver()
{
using (var secp256k1 = new Secp256k1())
using (var pedersen = new Pedersen())
{
var naTOutput = NaT(Output());
var blind = DeriveKey(naTOutput);
byte[] blindSum = new byte[32];
try
{
blindSum = pedersen.BlindSum(new List <byte[]> {
blind, blind
}, new List <byte[]> {
});
}
catch (Exception ex)
{
logger.LogError($"Message: {ex.Message}\n Stack: {ex.StackTrace}");
throw ex;
}
var commitPos = Commit(naTOutput, blind);
var commitNeg = Commit(0, blind);
Stamp(GetNewStamp());
Version(-1);
mintedCoin = BuildCoin(blindSum, commitPos, commitNeg, true);
receiverOutput = new ReceiverOutput(Output(), commitPos, blindSum);
}
return(this);
}
/// <summary>
/// Builds the receiver.
/// </summary>
/// <returns>The receiver.</returns>
public (ReceiverOutput, CoinDto) BuildReceiver()
{
ReceiverOutput receiver = null;
CoinDto coin = null;
using (var secp256k1 = new Secp256k1())
using (var pedersen = new Pedersen())
{
var blind = DeriveKey(Output());
var blindSum = pedersen.BlindSum(new List <byte[]> {
blind, blind
}, new List <byte[]> {
});
var commitPos = Commit((ulong)Output(), blind);
var commitNeg = Commit(0, blind);
Stamp(GetNewStamp());
Version(-1);
coin = BuildCoin(blindSum, commitPos, commitNeg, true);
receiver = new ReceiverOutput(Output(), commitPos, blindSum);
}
return(receiver, coin);
}
/// <summary>
/// Clears the change, imputs, minted coin, outputs, password, receiver output, stamp and version cache.
/// </summary>
public void ClearCache()
{
change = 0;
Input(0);
mintedCoin = null;
Output(0);
Password(null);
receiverOutput = null;
Stamp(string.Empty);
Version(0);
}