public void ThresholdKeyGen()
{
const int n = 7, f = 2;
var keygen = new TrustedKeyGen(n, f);
var shares = keygen.GetPrivateShares().ToArray();
var data = 0xdeadbeef.ToBytes().ToArray();
var pubKeys = new PublicKeySet(shares.Select(share => share.GetPublicKeyShare()), f);
var signers = new IThresholdSigner[n];
for (var i = 0; i < n; ++i)
{
signers[i] = new ThresholdSigner(data, shares[i], pubKeys);
}
var signatureShares = signers.Select(signer => signer.Sign()).ToArray();
var sigs = new Signature[n];
var success = new bool[n];
for (var i = 0; i < n; ++i) success[i] = true;
for (var i = 0; i < n; ++i)
{
for (var j = 0; j < n; ++j)
{
success[i] &= signers[i].AddShare(j, signatureShares[j], out var sig);
if (sigs[i] == null && sig != null)
sigs[i] = sig;
}
}
for (int i = 0; i < n; ++i)
{
Assert.IsTrue(success[i], $"Player {i} did not terminate successfully");
Assert.IsTrue(pubKeys.SharedPublicKey.ValidateSignature(sigs[i], data));
}
}
public CommonCoin(
CoinId coinId, IPublicConsensusKeySet wallet, PrivateKeyShare privateKeyShare,
IConsensusBroadcaster broadcaster
) : base(wallet, coinId, broadcaster)
{
_coinId = coinId ?? throw new ArgumentNullException(nameof(coinId));
_thresholdSigner = new ThresholdSigner(
_coinId.ToBytes(), privateKeyShare, wallet.ThresholdSignaturePublicKeySet
);
_result = null;
}
