public SignaturesRequest CreateSignatureRequest(Script cashoutDestination, FeeRate feeRate)
{
if (cashoutDestination == null)
{
throw new ArgumentNullException(nameof(cashoutDestination));
}
if (feeRate == null)
{
throw new ArgumentNullException(nameof(feeRate));
}
AssertState(PromiseClientStates.WaitingSignatureRequest);
Transaction cashout = new Transaction();
cashout.AddInput(new TxIn(InternalState.EscrowedCoin.Outpoint, Script.Empty));
cashout.AddOutput(new TxOut(Money.Zero, cashoutDestination));
var fee = feeRate.GetFee(cashout.GetVirtualSize());
cashout.Outputs[0].Value = InternalState.EscrowedCoin.Amount - fee;
List <HashBase> hashes = new List <HashBase>();
LockTime lockTime = new LockTime(0);
for (int i = 0; i < Parameters.RealTransactionCount; i++)
{
RealHash h = new RealHash(cashout, InternalState.EscrowedCoin);
h.LockTime = lockTime;
lockTime++;
hashes.Add(h);
}
for (int i = 0; i < Parameters.FakeTransactionCount; i++)
{
FakeHash h = new FakeHash(Parameters);
h.Salt = new uint256(RandomUtils.GetBytes(32));
hashes.Add(h);
}
_Hashes = hashes.ToArray();
NBitcoin.Utils.Shuffle(_Hashes, RandomUtils.GetInt32());
for (int i = 0; i < _Hashes.Length; i++)
{
_Hashes[i].Index = i;
}
var fakeIndices = _Hashes.OfType <FakeHash>().Select(h => h.Index).ToArray();
uint256 indexSalt = null;
var request = new SignaturesRequest
{
Hashes = _Hashes.Select(h => h.GetHash()).ToArray(),
FakeIndexesHash = PromiseUtils.HashIndexes(ref indexSalt, fakeIndices),
};
InternalState.IndexSalt = indexSalt;
InternalState.Cashout = cashout.Clone();
InternalState.Status = PromiseClientStates.WaitingCommitments;
InternalState.FakeIndexes = fakeIndices;
return(request);
}
public SignaturesRequest CreateSignatureRequest(Script cashoutDestination, FeeRate feeRate)
{
if (cashoutDestination == null)
{
throw new ArgumentNullException(nameof(cashoutDestination));
}
if (feeRate == null)
{
throw new ArgumentNullException(nameof(feeRate));
}
AssertState(PromiseClientStates.WaitingSignatureRequest);
Transaction cashout = new Transaction();
cashout.AddInput(new TxIn(InternalState.EscrowedCoin.Outpoint));
cashout.Inputs[0].ScriptSig = new Script(
Op.GetPushOp(TrustedBroadcastRequest.PlaceholderSignature),
Op.GetPushOp(TrustedBroadcastRequest.PlaceholderSignature),
Op.GetPushOp(InternalState.EscrowedCoin.Redeem.ToBytes())
);
cashout.Inputs[0].Witnessify();
cashout.AddOutput(new TxOut(InternalState.EscrowedCoin.Amount, cashoutDestination));
cashout.Outputs[0].Value -= feeRate.GetFee(cashout.GetVirtualSize());
List <HashBase> hashes = new List <HashBase>();
for (int i = 0; i < Parameters.RealTransactionCount; i++)
{
RealHash h = new RealHash(cashout, InternalState.EscrowedCoin);
h.FeeVariation = Money.Satoshis(i);
hashes.Add(h);
}
for (int i = 0; i < Parameters.FakeTransactionCount; i++)
{
FakeHash h = new FakeHash(Parameters);
h.Salt = new uint256(RandomUtils.GetBytes(32));
hashes.Add(h);
}
_Hashes = hashes.ToArray();
NBitcoin.Utils.Shuffle(_Hashes, RandomUtils.GetInt32());
for (int i = 0; i < _Hashes.Length; i++)
{
_Hashes[i].Index = i;
}
var fakeIndices = _Hashes.OfType <FakeHash>().Select(h => h.Index).ToArray();
uint256 indexSalt = null;
var request = new SignaturesRequest
{
Hashes = _Hashes.Select(h => h.GetHash()).ToArray(),
FakeIndexesHash = PromiseUtils.HashIndexes(ref indexSalt, fakeIndices),
};
InternalState.IndexSalt = indexSalt;
InternalState.Cashout = cashout.Clone();
InternalState.Status = PromiseClientStates.WaitingCommitments;
InternalState.FakeIndexes = fakeIndices;
return(request);
}
