public static BigInteger Hash(LotteryTicket lt)
{
var serialized = JsonConvert.SerializeObject(lt);
var hash = Cryptography.GenericHashNoKey(serialized).ToList();
return(new BigInteger(1, hash.ToArray()));
}
public async Task <SignedLotteryTicket> GenerateSignedLotteryTicket(ulong round)
{
var ticket = LotteryTicket.Generate(round);
var serialized = JsonConvert.SerializeObject(ticket);
var hash = Cryptography.GenericHashNoKey(serialized);
var signedResponse = await OnionServiceClient.SignHashAsync(hash);
var signedTicket = new SignedLotteryTicket()
{
Hash = hash, PublicKey = signedResponse.PublicKey, Signature = signedResponse.Signature
};
return(signedTicket);
}
public static LotteryTicket GenerateValidTarget(ulong round)
{
LotteryTicket lotteryTicket = null;
object ticketLock = new object();
Parallel.For(
0,
Environment.ProcessorCount,
new ParallelOptions {
MaxDegreeOfParallelism = Environment.ProcessorCount
},
(i, state) => {
LotteryTicket lt = null;
BigInteger hash = BigInteger.Zero;
int ct = 1;
do
{
lt = Generate(round);
hash = Hash(lt);
ct = hash.CompareTo(PoWTarget);
} while (ct == 1);
lock (ticketLock)
{
if (lotteryTicket == null)
{
lotteryTicket = lt;
}
state.Stop();
}
});
return(lotteryTicket);
}