public ClassicTumblerParameters()
{
var solver = new SolverParameters();
FakePuzzleCount = solver.FakePuzzleCount;
RealPuzzleCount = solver.RealPuzzleCount;
var promise = new PromiseParameters();
FakeTransactionCount = promise.FakeTransactionCount;
RealTransactionCount = promise.RealTransactionCount;
FakeFormat = promise.FakeFormat;
Denomination = Money.Coins(1.0m);
Fee = Money.Coins(0.01m);
CycleGenerator = new OverlappedCycleGenerator();
}
public bool Check(PromiseParameters promiseParams)
{
return(promiseParams.FakeTransactionCount == FakeTransactionCount &&
promiseParams.RealTransactionCount == RealTransactionCount);
}
private void RoundTrip(ref PromiseClientSession client, PromiseParameters parameters)
{
var clone = Serializer.Clone(client.GetInternalState());
client = new PromiseClientSession(parameters, clone);
}
private void RoundTrip(ref PromiseServerSession server, PromiseParameters parameters)
{
var clone = Serializer.Clone(server.GetInternalState());
server = new PromiseServerSession(clone, parameters);
}
public void TestPuzzlePromise()
{
RsaKey key = TestKeys.Default;
Key serverEscrow = new Key();
Key clientEscrow = new Key();
var parameters = new PromiseParameters(key.PubKey)
{
FakeTransactionCount = 5,
RealTransactionCount = 5
};
var client = new PromiseClientSession(parameters);
var server = new PromiseServerSession(parameters);
var coin = CreateEscrowCoin(serverEscrow.PubKey, clientEscrow.PubKey);
client.ConfigureEscrowedCoin(coin, clientEscrow);
SignaturesRequest request = client.CreateSignatureRequest(clientEscrow.PubKey.Hash, FeeRate);
RoundTrip(ref client, parameters);
RoundTrip(ref request);
server.ConfigureEscrowedCoin(coin, serverEscrow, new Key().ScriptPubKey);
PuzzlePromise.ServerCommitment[] commitments = server.SignHashes(request);
RoundTrip(ref server, parameters);
RoundTrip(ref commitments);
PuzzlePromise.ClientRevelation revelation = client.Reveal(commitments);
RoundTrip(ref client, parameters);
RoundTrip(ref revelation);
ServerCommitmentsProof proof = server.CheckRevelation(revelation);
RoundTrip(ref server, parameters);
RoundTrip(ref proof);
var puzzleToSolve = client.CheckCommitmentProof(proof);
RoundTrip(ref client, parameters);
Assert.NotNull(puzzleToSolve);
var solution = key.SolvePuzzle(puzzleToSolve);
var transactions = client.GetSignedTransactions(solution).ToArray();
RoundTrip(ref client, parameters);
Assert.True(transactions.Length == parameters.RealTransactionCount);
var escrow = server.GetInternalState().EscrowedCoin;
// In case things do not go well and timeout is hit...
var redeemTransaction = server.CreateRedeemTransaction(FeeRate);
var resigned = redeemTransaction.ReSign(escrow);
TransactionBuilder bb = new TransactionBuilder();
bb.AddCoins(server.GetInternalState().EscrowedCoin);
Assert.True(bb.Verify(resigned));
//Check can ve reclaimed if malleated
bb = new TransactionBuilder();
escrow.Outpoint = new OutPoint(escrow.Outpoint.Hash, 10);
bb.AddCoins(escrow);
resigned = redeemTransaction.ReSign(escrow);
Assert.False(bb.Verify(redeemTransaction.Transaction));
Assert.True(bb.Verify(resigned));
}
public void TestPuzzlePromise()
{
RsaKey key = TestKeys.Default;
Key serverEscrow = new Key();
Key clientEscrow = new Key();
var parameters = new PromiseParameters(key.PubKey)
{
FakeTransactionCountPerLevel = 5,
RealTransactionCountPerLevel = 5,
PaymentsCount = 5 //Not sure if this is the way to go.
};
var client = new PromiseClientSession(parameters);
var server = new PromiseServerSession(parameters);
var coin = CreateEscrowCoin(serverEscrow.PubKey, clientEscrow.PubKey);
client.ConfigureEscrowedCoin(coin, clientEscrow);
SignaturesRequest request = client.CreateSignatureRequest(clientEscrow.PubKey.Hash, FeeRate);
RoundTrip(ref client, parameters);
RoundTrip(ref request);
server.ConfigureEscrowedCoin(uint160.Zero, coin, serverEscrow, new Key().ScriptPubKey);
PuzzlePromise.ServerCommitment[][] commitments = server.SignHashes(request);
RoundTrip(ref server, parameters);
RoundTrip(ref commitments);
PuzzlePromise.ClientRevelation revelation = client.Reveal(commitments);
RoundTrip(ref client, parameters);
RoundTrip(ref revelation);
ServerCommitmentsProof proof = server.CheckRevelation(revelation, clientEscrow.PubKey.Hash, FeeRate);
RoundTrip(ref server, parameters);
RoundTrip(ref proof);
var puzzlesToSolve = client.CheckCommitmentProof(proof);
RoundTrip(ref client, parameters);
foreach (var puzzle in puzzlesToSolve)
{
Assert.NotNull(puzzle);
}
for (int i = 0; i < puzzlesToSolve.Length; i++)
{
// Doesn't work for now! Need to figure how Bob will be spending the puzzles.
var solution = key.SolvePuzzle(puzzlesToSolve[i]);
// I'm not sure if GetSignedTransactions should handle all payments or only one payment at a time.
var transactions = client.GetSignedTransactions(solution, i).ToArray();
RoundTrip(ref client, parameters);
Assert.True(transactions.Length == parameters.RealTransactionCountPerLevel);
}
var escrow = server.GetInternalState().EscrowedCoin;
// In case things do not go well and timeout is hit...
var redeemTransaction = server.CreateRedeemTransaction(FeeRate);
var resigned = redeemTransaction.ReSign(escrow);
TransactionBuilder bb = new TransactionBuilder();
bb.AddCoins(server.GetInternalState().EscrowedCoin);
Assert.True(bb.Verify(resigned));
//Check can ve reclaimed if malleated
bb = new TransactionBuilder();
escrow.Outpoint = new OutPoint(escrow.Outpoint.Hash, 10);
bb.AddCoins(escrow);
resigned = redeemTransaction.ReSign(escrow);
Assert.False(bb.Verify(redeemTransaction.Transaction));
Assert.True(bb.Verify(resigned));
}
