public void RegisterServices(
BitcoinStore bitcoinStore,
WasabiSynchronizer syncer,
NodesGroup nodes,
ServiceConfiguration serviceConfiguration,
IFeeProvider feeProvider,
CoreNode coreNode = null)
{
if (State != WalletState.Uninitialized)
{
throw new InvalidOperationException($"{nameof(State)} must be {WalletState.Uninitialized}. Current state: {State}.");
}
BitcoinStore = Guard.NotNull(nameof(bitcoinStore), bitcoinStore);
Nodes = Guard.NotNull(nameof(nodes), nodes);
Synchronizer = Guard.NotNull(nameof(syncer), syncer);
ServiceConfiguration = Guard.NotNull(nameof(serviceConfiguration), serviceConfiguration);
FeeProvider = Guard.NotNull(nameof(feeProvider), feeProvider);
CoreNode = coreNode;
ChaumianClient = new CoinJoinClient(Synchronizer, Network, KeyManager);
TransactionProcessor = new TransactionProcessor(BitcoinStore.TransactionStore, KeyManager, ServiceConfiguration.DustThreshold, ServiceConfiguration.PrivacyLevelStrong);
Coins = TransactionProcessor.Coins;
TransactionProcessor.WalletRelevantTransactionProcessed += TransactionProcessor_WalletRelevantTransactionProcessedAsync;
ChaumianClient.OnDequeue += ChaumianClient_OnDequeue;
BitcoinStore.IndexStore.NewFilter += IndexDownloader_NewFilterAsync;
BitcoinStore.IndexStore.Reorged += IndexDownloader_ReorgedAsync;
BitcoinStore.MempoolService.TransactionReceived += Mempool_TransactionReceived;
State = WalletState.Initialized;
}
public async Task StartParticipatingAsync(CancellationToken cancellationToken)
{
ThrowIfDisposed();
var apiClient = new WabiSabiHttpApiClient(HttpClientFactory.NewHttpClientWithDefaultCircuit());
using var roundStateUpdater = new RoundStateUpdater(TimeSpan.FromSeconds(3), apiClient);
await roundStateUpdater.StartAsync(cancellationToken).ConfigureAwait(false);
var coinJoinClient = new CoinJoinClient(
HttpClientFactory,
Wallet,
Wallet,
roundStateUpdater,
consolidationMode: true);
// Run the coinjoin client task.
var walletHdPubKey = new HdPubKey(Wallet.PubKey, KeyPath.Parse("m/84'/0/0/0/0"), SmartLabel.Empty, KeyState.Clean);
walletHdPubKey.SetAnonymitySet(1); // bug if not settled
if (SplitTransaction is null)
{
throw new InvalidOperationException($"{nameof(GenerateCoinsAsync)} has to be called first.");
}
var smartCoins = SplitTransaction.Transaction.Outputs.AsIndexedOutputs()
.Select(x => new SmartCoin(SplitTransaction, x.N, walletHdPubKey))
.ToList();
// Run the coinjoin client task.
await coinJoinClient.StartCoinJoinAsync(smartCoins, cancellationToken).ConfigureAwait(false);
await roundStateUpdater.StopAsync(cancellationToken).ConfigureAwait(false);
}
private async Task <TransactionProcessor> CreateTransactionProcessorAsync([CallerMemberName] string callerName = "")
{
var datadir = EnvironmentHelpers.GetDataDir(Path.Combine("WalletWasabi", "Bench"));
var dir = Path.Combine(datadir, callerName, "TransactionStore");
Console.WriteLine(dir);
await IoHelpers.DeleteRecursivelyWithMagicDustAsync(dir);
// Create the services.
// 1. Create connection service.
var nodes = new NodesGroup(Network.Main);
var bitcoinStore = new BitcoinStore();
var serviceConfiguration = new ServiceConfiguration(2, 2, 21, 50, new IPEndPoint(IPAddress.Parse("127.0.0.1"), 45678), Money.Coins(0.0001m));
// 2. Create wasabi synchronizer service.
var synchronizer = new WasabiSynchronizer(Network.Main, bitcoinStore, () => new Uri("http://localhost:35474"), null);
synchronizer.Start(requestInterval: TimeSpan.FromDays(1), TimeSpan.FromDays(1), 1000);
// 3. Create key manager service.
var keyManager = KeyManager.CreateNew(out _, "password");
// 4. Create chaumian coinjoin client.
var chaumianClient = new CoinJoinClient(synchronizer, Network.Main, keyManager);
// 5. Create wallet service.
await bitcoinStore.InitializeAsync(dir, Network.Main);
var workDir = Path.Combine(datadir, EnvironmentHelpers.GetMethodName());
var feeProviders = new FeeProviders(new[] { synchronizer });
var wallet = new WalletService(bitcoinStore, keyManager, synchronizer, nodes, workDir, serviceConfiguration, feeProviders);
return(wallet.TransactionProcessor);
}
public WalletService(
BitcoinStore bitcoinStore,
KeyManager keyManager,
WasabiSynchronizer syncer,
CoinJoinClient chaumianClient,
NodesGroup nodes,
string workFolderDir,
ServiceConfiguration serviceConfiguration,
IFeeProvider feeProvider,
CoreNode coreNode = null)
{
BitcoinStore = Guard.NotNull(nameof(bitcoinStore), bitcoinStore);
KeyManager = Guard.NotNull(nameof(keyManager), keyManager);
Nodes = Guard.NotNull(nameof(nodes), nodes);
Synchronizer = Guard.NotNull(nameof(syncer), syncer);
ChaumianClient = Guard.NotNull(nameof(chaumianClient), chaumianClient);
ServiceConfiguration = Guard.NotNull(nameof(serviceConfiguration), serviceConfiguration);
FeeProvider = Guard.NotNull(nameof(feeProvider), feeProvider);
CoreNode = coreNode;
HandleFiltersLock = new AsyncLock();
BlocksFolderPath = Path.Combine(workFolderDir, "Blocks", Network.ToString());
RuntimeParams.SetDataDir(workFolderDir);
BlockFolderLock = new AsyncLock();
KeyManager.AssertCleanKeysIndexed();
KeyManager.AssertLockedInternalKeysIndexed(14);
TransactionProcessor = new TransactionProcessor(BitcoinStore.TransactionStore, KeyManager, ServiceConfiguration.DustThreshold, ServiceConfiguration.PrivacyLevelStrong);
Coins = TransactionProcessor.Coins;
TransactionProcessor.WalletRelevantTransactionProcessed += TransactionProcessor_WalletRelevantTransactionProcessedAsync;
if (Directory.Exists(BlocksFolderPath))
{
if (Synchronizer.Network == Network.RegTest)
{
Directory.Delete(BlocksFolderPath, true);
Directory.CreateDirectory(BlocksFolderPath);
}
}
else
{
Directory.CreateDirectory(BlocksFolderPath);
}
var walletName = "UnnamedWallet";
if (!string.IsNullOrWhiteSpace(KeyManager.FilePath))
{
walletName = Path.GetFileNameWithoutExtension(KeyManager.FilePath);
}
BitcoinStore.IndexStore.NewFilter += IndexDownloader_NewFilterAsync;
BitcoinStore.IndexStore.Reorged += IndexDownloader_ReorgedAsync;
BitcoinStore.MempoolService.TransactionReceived += Mempool_TransactionReceived;
}
public Wallet(
Network network,
BitcoinStore bitcoinStore,
KeyManager keyManager,
WasabiSynchronizer syncer,
NodesGroup nodes,
string workFolderDir,
ServiceConfiguration serviceConfiguration,
IFeeProvider feeProvider,
CoreNode coreNode = null)
{
Network = Guard.NotNull(nameof(network), network);
BitcoinStore = Guard.NotNull(nameof(bitcoinStore), bitcoinStore);
KeyManager = Guard.NotNull(nameof(keyManager), keyManager);
Nodes = Guard.NotNull(nameof(nodes), nodes);
Synchronizer = Guard.NotNull(nameof(syncer), syncer);
ServiceConfiguration = Guard.NotNull(nameof(serviceConfiguration), serviceConfiguration);
FeeProvider = Guard.NotNull(nameof(feeProvider), feeProvider);
CoreNode = coreNode;
ChaumianClient = new CoinJoinClient(Synchronizer, Network, keyManager);
HandleFiltersLock = new AsyncLock();
BlocksFolderPath = Path.Combine(workFolderDir, "Blocks", Network.ToString());
RuntimeParams.SetDataDir(workFolderDir);
BlockFolderLock = new AsyncLock();
KeyManager.AssertCleanKeysIndexed();
KeyManager.AssertLockedInternalKeysIndexed(14);
TransactionProcessor = new TransactionProcessor(BitcoinStore.TransactionStore, KeyManager, ServiceConfiguration.DustThreshold, ServiceConfiguration.PrivacyLevelStrong);
Coins = TransactionProcessor.Coins;
TransactionProcessor.WalletRelevantTransactionProcessed += TransactionProcessor_WalletRelevantTransactionProcessedAsync;
ChaumianClient.OnDequeue += ChaumianClient_OnDequeue;
if (Directory.Exists(BlocksFolderPath))
{
if (Network == Network.RegTest)
{
Directory.Delete(BlocksFolderPath, true);
Directory.CreateDirectory(BlocksFolderPath);
}
}
else
{
Directory.CreateDirectory(BlocksFolderPath);
}
BitcoinStore.IndexStore.NewFilter += IndexDownloader_NewFilterAsync;
BitcoinStore.IndexStore.Reorged += IndexDownloader_ReorgedAsync;
BitcoinStore.MempoolService.TransactionReceived += Mempool_TransactionReceived;
State = WalletState.Initialized;
}
public CoinJoinTracker CreateAndStart(Wallet wallet, IEnumerable <SmartCoin> coinCandidates)
{
var coinJoinClient = new CoinJoinClient(
HttpClientFactory,
new KeyChain(wallet.KeyManager, wallet.Kitchen),
new InternalDestinationProvider(wallet.KeyManager),
RoundStatusUpdater,
wallet.KeyManager.MinAnonScoreTarget,
doNotRegisterInLastMinuteTimeLimit: TimeSpan.FromMinutes(1));
return(new CoinJoinTracker(wallet, coinJoinClient, coinCandidates, CancellationToken));
}
public CoinJoinTracker(
Wallet wallet,
CoinJoinClient coinJoinClient,
IEnumerable <SmartCoin> coinCandidates,
CancellationToken cancellationToken)
{
Wallet = wallet;
CoinJoinClient = coinJoinClient;
CoinCandidates = coinCandidates;
CancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
CoinJoinTask = coinJoinClient.StartCoinJoinAsync(coinCandidates, CancellationTokenSource.Token);
}
public void SelectNothingFromEmptySetOfCoins()
{
// This test is to make sure no coins are selected when there are no coins.
var coins = CoinJoinClient.SelectCoinsForRound(
coins: Enumerable.Empty <SmartCoin>(),
CreateMultipartyTransactionParameters(),
consolidationMode: false,
anonScoreTarget: 10,
ConfigureRng(5));
Assert.Empty(coins);
}
public CoinJoinTracker CreateAndStart(Wallet wallet, IEnumerable <SmartCoin> coinCandidates, bool restartAutomatically, bool overridePlebStop)
{
var coinJoinClient = new CoinJoinClient(
HttpClientFactory,
new KeyChain(wallet.KeyManager, wallet.Kitchen),
new InternalDestinationProvider(wallet.KeyManager),
RoundStatusUpdater,
wallet.KeyManager.AnonScoreTarget,
feeRateMedianTimeFrame: TimeSpan.FromHours(wallet.KeyManager.FeeRateMedianTimeFrameHours),
doNotRegisterInLastMinuteTimeLimit: TimeSpan.FromMinutes(1));
return(new CoinJoinTracker(wallet, coinJoinClient, coinCandidates, restartAutomatically, overridePlebStop, CancellationToken));
}
public async Task InitializeWalletServiceAsync(KeyManager keyManager)
{
using (_cancelWalletServiceInitialization = new CancellationTokenSource())
{
var token = _cancelWalletServiceInitialization.Token;
while (!Initialized)
{
await Task.Delay(100, token);
}
if (Config.UseTor)
{
ChaumianClient = new CoinJoinClient(Synchronizer, Network, keyManager, () => Config.GetCurrentBackendUri(), Config.TorSocks5EndPoint);
}
else
{
ChaumianClient = new CoinJoinClient(Synchronizer, Network, keyManager, Config.GetFallbackBackendUri(), null);
}
try
{
keyManager.CorrectBlockHeights(BitcoinStore.HashChain); // Block heights are wrong sometimes. It's a hack. We have to retroactively fix existing wallets, but also we have to figure out where we ruin the block heights.
}
catch (Exception ex) // Whatever this is not critical, but let's log it.
{
Logger.LogWarning(ex);
}
WalletService = new WalletService(BitcoinStore, keyManager, Synchronizer, ChaumianClient, Nodes, DataDir, Config.ServiceConfiguration, FeeProviders, BitcoinCoreNode?.RpcClient);
ChaumianClient.Start();
Logger.LogInfo("Start Chaumian CoinJoin service...");
Logger.LogInfo($"Starting {nameof(WalletService)}...");
await WalletService.InitializeAsync(token);
Logger.LogInfo($"{nameof(WalletService)} started.");
token.ThrowIfCancellationRequested();
WalletService.TransactionProcessor.CoinReceived += CoinReceived;
TransactionBroadcaster.AddWalletService(WalletService);
}
_cancelWalletServiceInitialization = null; // Must make it null explicitly, because dispose won't make it null.
}
public CoinJoinTracker(
Wallet wallet,
CoinJoinClient coinJoinClient,
IEnumerable <SmartCoin> coinCandidates,
bool stopWhenAllMixed,
bool overridePlebStop,
CancellationToken cancellationToken)
{
Wallet = wallet;
CoinJoinClient = coinJoinClient;
CoinJoinClient.CoinJoinClientProgress += CoinJoinClient_CoinJoinClientProgress;
CoinCandidates = coinCandidates;
StopWhenAllMixed = stopWhenAllMixed;
OverridePlebStop = overridePlebStop;
CancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
CoinJoinTask = coinJoinClient.StartCoinJoinAsync(coinCandidates, CancellationTokenSource.Token);
}
public void SelectNonPrivateCoinFromOneCoinSetOfCoins()
{
// This test is to make sure that we select the only non-private coin when it is the only coin in the wallet.
const int AnonymitySet = 10;
var km = KeyManager.CreateNew(out _, "", Network.Main);
var coinsToSelectFrom = Enumerable
.Empty <SmartCoin>()
.Prepend(BitcoinFactory.CreateSmartCoin(BitcoinFactory.CreateHdPubKey(km), Money.Coins(1m), 0, anonymitySet: AnonymitySet - 1))
.ToList();
var coins = CoinJoinClient.SelectCoinsForRound(
coins: coinsToSelectFrom,
CreateMultipartyTransactionParameters(),
consolidationMode: false,
anonScoreTarget: AnonymitySet,
ConfigureRng(1));
Assert.Single(coins);
}
public void SelectNothingFromFullyPrivateSetOfCoins()
{
// This test is to make sure no coins are selected when all coins are private.
const int AnonymitySet = 10;
var km = KeyManager.CreateNew(out _, "", Network.Main);
var coinsToSelectFrom = Enumerable
.Range(0, 10)
.Select(i => BitcoinFactory.CreateSmartCoin(BitcoinFactory.CreateHdPubKey(km), Money.Coins(1m), 0, anonymitySet: AnonymitySet + 1))
.ToList();
var coins = CoinJoinClient.SelectCoinsForRound(
coins: coinsToSelectFrom,
CreateMultipartyTransactionParameters(),
consolidationMode: false,
anonScoreTarget: AnonymitySet,
ConfigureRng(5));
Assert.Empty(coins);
}
public void TwoNonPrivateCoinInSetOfCoins()
{
const int MinAnonimitySet = 10;
var km = KeyManager.CreateNew(out _, "", Network.Main);
var coinsToSelectFrom = Enumerable
.Empty <SmartCoin>()
.Prepend(BitcoinFactory.CreateSmartCoin(BitcoinFactory.CreateHdPubKey(km), Money.Coins(1m), 0, anonymitySet: MinAnonimitySet - 1))
.Prepend(BitcoinFactory.CreateSmartCoin(BitcoinFactory.CreateHdPubKey(km), Money.Coins(1m), 0, anonymitySet: MinAnonimitySet - 1))
.ToList();
var coins = CoinJoinClient.SelectCoinsForRound(
coins: coinsToSelectFrom,
CreateMultipartyTransactionParameters(),
consolidationMode: false,
minAnonScoreTarget: MinAnonimitySet,
ConfigureRng(1));
Assert.Single(coins);
}
public void SelectTwoNonPrivateCoinsFromTwoCoinsSetOfCoinsConsolidationMode()
{
// This test is to make sure that we select more than one non-private coin.
const int AnonymitySet = 10;
var km = KeyManager.CreateNew(out _, "", Network.Main);
var coinsToSelectFrom = Enumerable
.Empty <SmartCoin>()
.Prepend(BitcoinFactory.CreateSmartCoin(BitcoinFactory.CreateHdPubKey(km), Money.Coins(1m), 0, anonymitySet: AnonymitySet - 1))
.Prepend(BitcoinFactory.CreateSmartCoin(BitcoinFactory.CreateHdPubKey(km), Money.Coins(1m), 0, anonymitySet: AnonymitySet - 1))
.ToList();
var coins = CoinJoinClient.SelectCoinsForRound(
coins: coinsToSelectFrom,
CreateMultipartyTransactionParameters(),
consolidationMode: true,
anonScoreTarget: AnonymitySet,
ConfigureRng(1));
Assert.Equal(2, coins.Count);
}
public void OnlyOneNonPrivateCoinInBigSetOfCoinsConsolidationMode()
{
const int MinAnonimitySet = 10;
var km = KeyManager.CreateNew(out _, "", Network.Main);
SmartCoin smallerAnonCoin = BitcoinFactory.CreateSmartCoin(BitcoinFactory.CreateHdPubKey(km), Money.Coins(1m), 0, anonymitySet: MinAnonimitySet - 1);
var coinsToSelectFrom = Enumerable
.Range(0, 10)
.Select(i => BitcoinFactory.CreateSmartCoin(BitcoinFactory.CreateHdPubKey(km), Money.Coins(1m), 0, anonymitySet: MinAnonimitySet + 1))
.Prepend(smallerAnonCoin)
.ToList();
var coins = CoinJoinClient.SelectCoinsForRound(
coins: coinsToSelectFrom,
CreateMultipartyTransactionParameters(),
consolidationMode: true,
minAnonScoreTarget: MinAnonimitySet,
ConfigureRng(5));
Assert.Contains(smallerAnonCoin, coins);
Assert.Equal(10, coins.Count);
}
public async Task SoloCoinJoinTest()
{
const int InputCount = 2;
// At the end of the test a coinjoin transaction has to be created and broadcasted.
var transactionCompleted = new TaskCompletionSource <Transaction>();
// Total test timeout.
using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(120));
cts.Token.Register(() => transactionCompleted.TrySetCanceled(), useSynchronizationContext: false);
// Create a key manager and use it to create two fake coins.
var keyManager = KeyManager.CreateNew(out var _, password: "");
keyManager.AssertCleanKeysIndexed();
var coins = keyManager.GetKeys()
.Take(InputCount)
.Select(x => new Coin(
BitcoinFactory.CreateOutPoint(),
new TxOut(Money.Coins(1), x.P2wpkhScript)))
.ToArray();
var httpClient = _apiApplicationFactory.WithWebHostBuilder(builder =>
{
builder.ConfigureServices(services =>
{
var rpc = BitcoinFactory.GetMockMinimalRpc();
// Make the coordinator to believe that those two coins are real and
// that they exist in the blockchain with many confirmations.
rpc.OnGetTxOutAsync = (txId, idx, _) => new()
{
Confirmations = 101,
IsCoinBase = false,
ScriptPubKeyType = "witness_v0_keyhash",
TxOut = coins.Single(x => x.Outpoint.Hash == txId && x.Outpoint.N == idx).TxOut
};
// Make the coordinator believe that the transaction is being
// broadcasted using the RPC interface. Once we receive this tx
// (the `SendRawTransationAsync` was invoked) we stop waiting
// and finish the waiting tasks to finish the test successfully.
rpc.OnSendRawTransactionAsync = (tx) =>
{
transactionCompleted.SetResult(tx);
return(tx.GetHash());
};
// Instruct the coodinator DI container to use these two scoped
// services to build everything (wabisabi controller, arena, etc)
services.AddScoped <IRPCClient>(s => rpc);
services.AddScoped <WabiSabiConfig>(s => new WabiSabiConfig {
MaxInputCountByRound = InputCount
});
});
}).CreateClient();
// Create the coinjoin client
var apiClient = _apiApplicationFactory.CreateWabiSabiHttpApiClient(httpClient);
using var roundStateUpdater = new RoundStateUpdater(TimeSpan.FromSeconds(1), apiClient);
await roundStateUpdater.StartAsync(CancellationToken.None);
var kitchen = new Kitchen();
kitchen.Cook("");
var coinJoinClient = new CoinJoinClient(apiClient, coins, kitchen, keyManager, roundStateUpdater);
// Run the coinjoin client task.
await coinJoinClient.StartCoinJoinAsync(cts.Token);
var boadcastedTx = await transactionCompleted.Task.ConfigureAwait(false); // wait for the transaction to be broadcasted.
Assert.NotNull(boadcastedTx);
await roundStateUpdater.StopAsync(CancellationToken.None);
}