public async Task <IActionResult> TumbleAsync([FromBody] TumbleRequest request)
{
// checks the request is valid
if (!this.ModelState.IsValid)
{
var errors = this.ModelState.Values.SelectMany(e => e.Errors.Select(m => m.ErrorMessage));
return(ErrorHelpers.BuildErrorResponse(HttpStatusCode.BadRequest, "Formatting error", string.Join(Environment.NewLine, errors)));
}
if (this.tumbleBitManager.State == TumbleBitManager.TumbleState.Tumbling)
{
return(ErrorHelpers.BuildErrorResponse(HttpStatusCode.BadRequest, "Already started tumbling", ""));
}
try
{
await this.tumbleBitManager.TumbleAsync(request.OriginWalletName, request.DestinationWalletName, request.OriginWalletPassword);
return(this.Ok());
}
catch (Exception e)
{
return(ErrorHelpers.BuildErrorResponse(HttpStatusCode.BadRequest, "An error occured starting tumbling session.", e.ToString()));
}
}
public void TestDualClientWithoutTor()
{
using (NodeBuilder builder = NodeBuilder.Create(version: "0.15.1"))
{
HttpClient client = null;
var coreNode = builder.CreateNode(false);
coreNode.ConfigParameters.AddOrReplace("debug", "1");
coreNode.ConfigParameters.AddOrReplace("printtoconsole", "0");
coreNode.ConfigParameters.AddOrReplace("prematurewitness", "1");
coreNode.ConfigParameters.AddOrReplace("walletprematurewitness", "1");
coreNode.ConfigParameters.AddOrReplace("rpcworkqueue", "100");
coreNode.Start();
// Replicate portions of BreezeServer's Program.cs. Maybe refactor it into a class/function in future
var serviceProvider = new ServiceCollection()
.AddLogging()
.AddSingleton <Breeze.BreezeServer.Services.ITumblerService, Breeze.BreezeServer.Services.TumblerService>()
.BuildServiceProvider();
serviceProvider
.GetService <ILoggerFactory>()
.AddConsole(LogLevel.Debug);
// Skip the registration code - that can be tested separately
string configPath = Path.Combine(coreNode.DataFolder, "breeze.conf");
string[] breezeServerConfig =
{
"network=regtest", // Only the network setting is currently used from this file
"rpc.user=dummy",
"rpc.password=dummy",
"rpc.url=http://127.0.0.1:26174/",
"breeze.ipv4=127.0.0.1",
"breeze.ipv6=2001:0db8:85a3:0000:0000:8a2e:0370:7334",
"breeze.onion=0123456789ABCDEF",
"breeze.port=37123",
"breeze.regtxfeevalue=10000",
"breeze.regtxoutputvalue=1000",
"tumbler.url=http://127.0.0.1:37123/api/v1/",
"tumbler.rsakeyfile=/Users/username/.ntumblebitserver/RegTest/Tumbler.pem",
"tumbler.ecdsakeyaddress=TVwRFmEKRCnQAgShf3QshBjp1Tmucm1e87"
};
File.WriteAllLines(configPath, breezeServerConfig);
BreezeConfiguration config = new BreezeConfiguration(configPath);
var rpc3 = coreNode.CreateRPCClient();
string ntbServerConfigPath = Path.Combine(coreNode.DataFolder, "server.config");
string[] ntbServerConfig =
{
"regtest=1",
"rpc.url=http://127.0.0.1:" + rpc3.Address.Port + "/",
"rpc.user="******"rpc.password="******"cycle=kotori",
"tor.enabled=false"
};
File.WriteAllLines(ntbServerConfigPath, ntbServerConfig);
// We need to start up the masternode prior to creating the SBFN instance so that
// we have the URI available for starting the TumbleBit feature
// TODO: Also need to see if NTB interactive console interferes with later parts of the test
new Thread(delegate()
{
Thread.CurrentThread.IsBackground = true;
// By instantiating the TumblerService directly the registration logic is skipped
var tumbler = serviceProvider.GetService <Breeze.BreezeServer.Services.ITumblerService>();
tumbler.StartTumbler(config, false, "server.config", Path.GetFullPath(coreNode.DataFolder), false);
}).Start();
// Wait for URI file to be written out by the TumblerService
while (!File.Exists(Path.Combine(coreNode.DataFolder, "uri.txt")))
{
Thread.Sleep(1000);
}
Console.WriteLine("* URI file detected *");
Thread.Sleep(5000);
var serverAddress = File.ReadAllText(Path.Combine(coreNode.DataFolder, "uri.txt"));
// Not used for this test
ConfigurationOptionWrapper <string> registrationStoreDirectory = new ConfigurationOptionWrapper <string>("RegistrationStoreDirectory", "");
// Force SBFN to use the temporary hidden service to connect to the server
ConfigurationOptionWrapper <string> masternodeUri = new ConfigurationOptionWrapper <string>("MasterNodeUri", serverAddress);
ConfigurationOptionWrapper <string>[] configurationOptions = { registrationStoreDirectory, masternodeUri };
// Logging for NTB client code
ConsoleLoggerProcessor loggerProcessor = new ConsoleLoggerProcessor();
Logs.Configure(new FuncLoggerFactory(i => new CustomerConsoleLogger(i, Logs.SupportDebug(true), false, loggerProcessor)));
CoreNode node1 = builder.CreateStratisPowNode(false, fullNodeBuilder =>
{
fullNodeBuilder
.UseConsensus()
.UseBlockStore()
.UseMempool()
.UseBlockNotification()
.UseTransactionNotification()
.AddMining()
.UseWallet()
.UseWatchOnlyWallet()
.UseApi()
.AddRPC()
.UseTumbleBit(configurationOptions);
});
node1.ConfigParameters.AddOrReplace("apiuri", "http://localhost:37229");
CoreNode node2 = builder.CreateStratisPowNode(false, fullNodeBuilder =>
{
fullNodeBuilder
.UseConsensus()
.UseBlockStore()
.UseMempool()
.UseBlockNotification()
.UseTransactionNotification()
.AddMining()
.UseWallet()
.UseWatchOnlyWallet()
.UseApi()
.AddRPC()
.UseTumbleBit(configurationOptions);
});
node2.ConfigParameters.AddOrReplace("apiuri", "http://localhost:37228");
var apiSettings1 = node1.FullNode.NodeService <ApiSettings>();
var apiSettings2 = node2.FullNode.NodeService <ApiSettings>();
node1.Start();
node2.Start();
// TODO: See if it is possible to split node1 and node2's logs into separate folders
NLog.Config.LoggingConfiguration config1 = LogManager.Configuration;
var folder = Path.Combine(node1.DataFolder, "Logs");
var tbTarget = new FileTarget();
tbTarget.Name = "tumblebit";
tbTarget.FileName = Path.Combine(folder, "tumblebit.txt");
tbTarget.ArchiveFileName = Path.Combine(folder, "tb-${date:universalTime=true:format=yyyy-MM-dd}.txt");
tbTarget.ArchiveNumbering = ArchiveNumberingMode.Sequence;
tbTarget.ArchiveEvery = FileArchivePeriod.Day;
tbTarget.MaxArchiveFiles = 7;
tbTarget.Layout = "[${longdate:universalTime=true} ${threadid}${mdlc:item=id}] ${level:uppercase=true}: ${callsite} ${message}";
tbTarget.Encoding = Encoding.UTF8;
var ruleTb = new LoggingRule("*", NLog.LogLevel.Debug, tbTarget);
config1.LoggingRules.Add(ruleTb);
config1.AddTarget(tbTarget);
// Apply new rules.
LogManager.ReconfigExistingLoggers();
node1.NotInIBD();
node2.NotInIBD();
// Create the source and destination wallets for node 1
var wm1 = node1.FullNode.NodeService <IWalletManager>() as WalletManager;
wm1.CreateWallet("TumbleBit1", "alice1");
wm1.CreateWallet("TumbleBit1", "bob1");
// Create the source and destination wallets for node 2
var wm2 = node2.FullNode.NodeService <IWalletManager>() as WalletManager;
wm2.CreateWallet("TumbleBit1", "alice2");
wm2.CreateWallet("TumbleBit1", "bob2");
// Mined coins only mature after 100 blocks on regtest
// Additionally, we need to force Segwit to activate in order for NTB to work correctly
coreNode.FindBlock(450);
var rpc1 = node1.CreateRPCClient();
var rpc2 = node2.CreateRPCClient();
rpc3.AddNode(node1.Endpoint, false);
rpc3.AddNode(node2.Endpoint, false);
rpc1.AddNode(coreNode.Endpoint, false);
rpc1.AddNode(node2.Endpoint, false);
var amount = new Money(5.0m, MoneyUnit.BTC);
var destination1 = wm1.GetUnusedAddress(new WalletAccountReference("alice1", "account 0"));
var destination2 = wm2.GetUnusedAddress(new WalletAccountReference("alice2", "account 0"));
rpc3.SendToAddress(BitcoinAddress.Create(destination1.Address, Network.RegTest), amount);
rpc3.SendToAddress(BitcoinAddress.Create(destination2.Address, Network.RegTest), amount);
Console.WriteLine("Waiting for transactions to propagate and finalise");
Thread.Sleep(5000);
coreNode.FindBlock(1);
// Wait for SBFN to sync with the core node
TestHelper.WaitLoop(() => rpc1.GetBestBlockHash() == rpc3.GetBestBlockHash());
TestHelper.WaitLoop(() => rpc2.GetBestBlockHash() == rpc3.GetBestBlockHash());
// Test implementation note: the coins do not seem to immediately appear in the wallet.
// This is possibly some sort of race condition between the wallet manager and block generation/sync.
// This extra delay seems to ensure that the coins are definitely in the wallet by the time the
// transaction count gets logged to the console below.
// Wait instead of generating a block
Thread.Sleep(5000);
var loggerFactory1 = node1.FullNode.NodeService <ILoggerFactory>();
var loggerFactory2 = node2.FullNode.NodeService <ILoggerFactory>();
var logger1 = loggerFactory1.CreateLogger(this.GetType().FullName);
var logger2 = loggerFactory2.CreateLogger(this.GetType().FullName);
logger1.LogError("(1) Number of wallet transactions: " + wm1.GetSpendableTransactionsInWallet("alice1").Count());
logger2.LogError("(2) Number of wallet transactions: " + wm2.GetSpendableTransactionsInWallet("alice2").Count());
// Connect to server and start tumbling
using (client = new HttpClient())
{
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
// Sample returned output
// {"tumbler":"ctb://<onionaddress>.onion?h=<confighash>","denomination":"0.01000000","fee":"0.00010000","network":"RegTest","estimate":"22200"}
var connectResponse = client.GetStringAsync(apiSettings1.ApiUri + "api/TumbleBit/connect").GetAwaiter().GetResult();
//Assert.StartsWith("[{\"", connectResponse);
var tumbleModel = new TumbleRequest {
OriginWalletName = "alice1", OriginWalletPassword = "******", DestinationWalletName = "bob1"
};
var tumbleContent = new StringContent(tumbleModel.ToString(), Encoding.UTF8, "application/json");
var tumbleResponse = client.PostAsync(apiSettings1.ApiUri + "api/TumbleBit/tumble", tumbleContent).GetAwaiter().GetResult();
// Note that the TB client takes about 30 seconds to completely start up, as it has to check the server parameters and
// RSA key proofs
//Assert.StartsWith("[{\"", tumbleResponse);
}
using (client = new HttpClient())
{
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
var connectResponse = client.GetStringAsync(apiSettings2.ApiUri + "api/TumbleBit/connect").GetAwaiter().GetResult();
var tumbleModel = new TumbleRequest {
OriginWalletName = "alice2", OriginWalletPassword = "******", DestinationWalletName = "bob2"
};
var tumbleContent = new StringContent(tumbleModel.ToString(), Encoding.UTF8, "application/json");
var tumbleResponse = client.PostAsync(apiSettings2.ApiUri + "api/TumbleBit/tumble", tumbleContent).GetAwaiter().GetResult();
// Note that the TB client takes about 30 seconds to completely start up, as it has to check the server parameters and
// RSA key proofs
}
logger1.LogError("(1) About to start tumbling loop");
logger2.LogError("(2) About to start tumbling loop");
// TODO: Move forward specific numbers of blocks and check interim states? TB tests already do that
for (int i = 0; i < 80; i++)
{
rpc3.Generate(1);
builder.SyncNodes();
// Try to ensure the invalid phase error does not occur
// (seems to occur when the server has not yet processed a new block and the client has)
TestHelper.WaitLoop(() => rpc1.GetBestBlockHash() == rpc3.GetBestBlockHash());
TestHelper.WaitLoop(() => rpc2.GetBestBlockHash() == rpc3.GetBestBlockHash());
/*var mempool = node1.FullNode.NodeService<MempoolManager>();
* var mempoolTx = mempool.GetMempoolAsync().Result;
* if (mempoolTx.Count > 0)
* {
* Console.WriteLine("--- Mempool contents ---");
* foreach (var tx in mempoolTx)
* {
* var hex = mempool.GetTransaction(tx).Result;
* Console.WriteLine(tx + " ->");
* Console.WriteLine(hex);
* Console.WriteLine("---");
* }
* }*/
Thread.Sleep(10000);
}
// Check destination wallet for tumbled coins
// TODO: Need to amend TumblerService so that it can be shut down within the test
if (client != null)
{
client.Dispose();
client = null;
}
}
}
public async Task <IActionResult> TumbleAsync([FromBody] TumbleRequest request)
{
List <uint256> txIds = new List <uint256>();
IsMixOngoing = true;
try
{
if (request == null || request.From == null || request.To == null || request.RoundCount == 0)
{
return(new ObjectResult(new FailureResponse {
Message = "Bad request", Details = ""
}));
}
var getFrom = Global.WalletWrapper.GetAccount(request.From, out SafeAccount fromAccount);
if (getFrom != null)
{
return(new ObjectResult(getFrom));
}
var getTo = Global.WalletWrapper.GetAccount(request.To, out SafeAccount toAccount);
if (getTo != null)
{
return(new ObjectResult(getTo));
}
CancelMixSource = new CancellationTokenSource();
for (int i = 0; i < request.RoundCount; i++)
{
IEnumerable <Script> unusedOutputs = await Global.WalletWrapper.WalletJob.GetUnusedScriptPubKeysAsync(AddressType.Pay2WitnessPublicKeyHash, toAccount, HdPathType.NonHardened);
BitcoinAddress activeOutput = unusedOutputs.RandomElement().GetDestinationAddress(Global.WalletWrapper.WalletJob.CurrentNetwork); // TODO: this is sub-optimal, it'd be better to not which had been already registered and not reregister it
BitcoinWitPubKeyAddress bech32 = new BitcoinWitPubKeyAddress(activeOutput.ToString(), Global.WalletWrapper.WalletJob.CurrentNetwork);
uint256 txid = null;
try
{
txid = await Global.WalletWrapper.WalletJob.CoinJoinService.TumbleAsync(fromAccount, bech32, CancelMixSource.Token);
}
catch (InvalidOperationException e) when(e.Message == "Round aborted")
{
// register for the next round
i--;
continue;
}
if (txid == null)
{
return(new ObjectResult(new FailureResponse {
Message = "Either the coordinator failed to propagate the latest transaction or it did not arrive to our mempool", Details = "Successful mixes:" + Environment.NewLine + string.Join(Environment.NewLine, txIds.Select(a => a.ToString()))
}));
}
txIds.Add(txid);
if (CancelMixSource.Token.IsCancellationRequested)
{
string details = "";
if (txIds.Count > 0)
{
details = "Successful mixes:" + Environment.NewLine + string.Join(Environment.NewLine, txIds.Select(a => a.ToString()));
}
return(new ObjectResult(new FailureResponse {
Message = "Mixing was cancelled", Details = details
}));
}
}
return(new ObjectResult(new TumbleResponse()
{
Transactions = string.Join(Environment.NewLine, txIds.Select(a => a.ToString()))
}));
}
catch (OperationCanceledException)
{
string details = "";
if (txIds.Count > 0)
{
details = "Successful mixes:" + Environment.NewLine + string.Join(Environment.NewLine, txIds.Select(a => a.ToString()));
}
return(new ObjectResult(new FailureResponse {
Message = "Mixing was cancelled", Details = details
}));
}
catch (Exception ex)
{
string details = "";
if (txIds.Count > 0)
{
details = "Successful mixes:" + Environment.NewLine + string.Join(Environment.NewLine, txIds.Select(a => a.ToString()));
}
return(new ObjectResult(new FailureResponse {
Message = ex.Message, Details = details
}));
}
finally
{
CancelMixSource?.Dispose();
IsMixOngoing = false;
}
}
