public IActionResult SignHashes(int cycleId, string channelId, [FromBody] SignaturesRequest sigReq)
{
var session = GetPromiseServerSession(cycleId, channelId, CyclePhase.TumblerChannelEstablishment);
var hashes = session.SignHashes(sigReq);
Repository.Save(cycleId, session);
return(Json(hashes));
}
public PuzzlePromise.ServerCommitment[] SignHashes(
[ModelBinder(BinderType = typeof(TumblerParametersModelBinder))]
ClassicTumblerParameters tumblerId,
int cycleId, string channelId, [FromBody] SignaturesRequest sigReq)
{
if (tumblerId == null)
{
throw new ArgumentNullException("tumblerId");
}
var session = GetPromiseServerSession(cycleId, channelId, CyclePhase.TumblerChannelEstablishment);
var hashes = session.SignHashes(sigReq);
Repository.Save(cycleId, session);
return(hashes);
}
/// <inheritdoc />
public async Task <PuzzlePromise.ServerCommitment[]> SignHashesAsync(int cycleId, string channelId, SignaturesRequest sigReq)
{
PuzzlePromise.ServerCommitment[] result = await this.serverAddress.AppendPathSegment($"api/v1/tumblers/0/channels/{cycleId}/{channelId}/signhashes").PostJsonAsync(sigReq).ReceiveJson <PuzzlePromise.ServerCommitment[]>();
return(result);
}
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 PuzzlePromise.ServerCommitment[] SignHashes(string channelId, SignaturesRequest sigReq)
{
return(SignHashesAsync(channelId, sigReq).GetAwaiter().GetResult());
}
public Task <PuzzlePromise.ServerCommitment[]> SignHashesAsync(string channelId, SignaturesRequest sigReq)
{
return(SendAsync <PuzzlePromise.ServerCommitment[]>(HttpMethod.Post, sigReq, $"channels/{cycleId}/{channelId}/signhashes"));
}
public async Task <PuzzlePromise.ServerCommitment[]> SignHashesAsync(uint160 channelId, SignaturesRequest sigReq)
{
var result = await SendAsync <ArrayWrapper <PuzzlePromise.ServerCommitment> >(HttpMethod.Post, sigReq, $"channels/{cycleId}/{channelId}/signhashes").ConfigureAwait(false);
return(result.Elements);
}
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));
}
public Task <PuzzlePromise.ServerCommitment[]> SignHashesAsync(int cycleId, string channelId, SignaturesRequest sigReq)
{
return(SendAsync <PuzzlePromise.ServerCommitment[]>(HttpMethod.Post, sigReq, "api/v1/tumblers/0/channels/{0}/{1}/signhashes", cycleId, channelId));
}
