public async Task DiffTooSmallToBlameAsync()
{
WabiSabiConfig cfg = new()
{
MaxInputCountByRound = 2,
MinInputCountByRoundMultiplier = 0.5,
OutputRegistrationTimeout = TimeSpan.Zero,
CoordinationFeeRate = CoordinationFeeRate.Zero
};
var(keyChain, coin1, coin2) = WabiSabiFactory.CreateCoinKeyPairs();
var mockRpc = WabiSabiFactory.CreatePreconfiguredRpcClient(coin1.Coin, coin2.Coin);
using Arena arena = await ArenaBuilder.From(cfg).With(mockRpc).CreateAndStartAsync();
var(round, arenaClient, alices) = await CreateRoundWithTwoConfirmedConnectionsAsync(arena, keyChain, coin1, coin2);
var(amountCredentials1, vsizeCredentials1) = (alices[0].IssuedAmountCredentials, alices[0].IssuedVsizeCredentials);
var(amountCredentials2, vsizeCredentials2) = (alices[1].IssuedAmountCredentials, alices[1].IssuedVsizeCredentials);
// Register outputs.
var bobClient = new BobClient(round.Id, arenaClient);
using var destKey1 = new Key();
using var destKey2 = new Key();
await bobClient.RegisterOutputAsync(
destKey1.PubKey.WitHash.ScriptPubKey,
amountCredentials1.Take(ProtocolConstants.CredentialNumber),
vsizeCredentials1.Take(ProtocolConstants.CredentialNumber),
CancellationToken.None);
await bobClient.RegisterOutputAsync(
destKey2.PubKey.WitHash.ScriptPubKey,
amountCredentials2.Take(ProtocolConstants.CredentialNumber),
vsizeCredentials2.Take(ProtocolConstants.CredentialNumber),
CancellationToken.None);
// Add another input. The input must be able to pay for itself, but
// the remaining amount after deducting the fees needs to be less
// than the minimum.
var txParams = round.Assert <ConstructionState>().Parameters;
var extraAlice = WabiSabiFactory.CreateAlice(txParams.FeeRate.GetFee(Constants.P2wpkhInputVirtualSize) + txParams.AllowedOutputAmounts.Min - new Money(1L), round);
round.Alices.Add(extraAlice);
round.CoinjoinState = round.Assert <ConstructionState>().AddInput(extraAlice.Coin);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.TransactionSigning, round.Phase);
var tx = round.Assert <SigningState>().CreateTransaction();
Assert.Equal(3, tx.Inputs.Count);
Assert.Equal(2, tx.Outputs.Count);
Assert.DoesNotContain(round.CoordinatorScript, tx.Outputs.Select(x => x.ScriptPubKey));
await arena.StopAsync(CancellationToken.None);
}
public async Task AllBobsRegisteredAsync()
{
WabiSabiConfig cfg = new()
{
MaxInputCountByRound = 2,
MinInputCountByRoundMultiplier = 0.5
};
using Key key1 = new();
using Key key2 = new();
var coin1 = WabiSabiFactory.CreateCoin(key1);
var coin2 = WabiSabiFactory.CreateCoin(key2);
var mockRpc = WabiSabiFactory.CreatePreconfiguredRpcClient(coin1, coin2);
using Arena arena = await WabiSabiFactory.CreateAndStartArenaAsync(cfg, mockRpc);
var(round, arenaClient, alices) = await CreateRoundWithTwoConfirmedConnectionsAsync(arena, key1, coin1, key2, coin2);
var(amountCredentials1, vsizeCredentials1) = (alices[0].IssuedAmountCredentials, alices[0].IssuedVsizeCredentials);
var(amountCredentials2, vsizeCredentials2) = (alices[1].IssuedAmountCredentials, alices[1].IssuedVsizeCredentials);
// Register outputs.
var bobClient = new BobClient(round.Id, arenaClient);
using var destKey1 = new Key();
await bobClient.RegisterOutputAsync(
coin1.Amount - round.FeeRate.GetFee(coin1.ScriptPubKey.EstimateInputVsize()),
destKey1.PubKey.WitHash.ScriptPubKey,
amountCredentials1.Take(ProtocolConstants.CredentialNumber),
vsizeCredentials1.Take(ProtocolConstants.CredentialNumber),
CancellationToken.None);
using var destKey2 = new Key();
await bobClient.RegisterOutputAsync(
coin2.Amount - round.FeeRate.GetFee(coin2.ScriptPubKey.EstimateInputVsize()),
destKey2.PubKey.WitHash.ScriptPubKey,
amountCredentials2.Take(ProtocolConstants.CredentialNumber),
vsizeCredentials2.Take(ProtocolConstants.CredentialNumber),
CancellationToken.None);
foreach (var alice in alices)
{
await alice.ReadyToSignAsync(CancellationToken.None);
}
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.TransactionSigning, round.Phase);
var tx = round.Assert <SigningState>().CreateTransaction();
Assert.Equal(2, tx.Inputs.Count);
Assert.Equal(2, tx.Outputs.Count);
await arena.StopAsync(CancellationToken.None);
}
CreateRoundWithOutputsReadyToSignAsync(Arena arena, Key key1, Coin coin1, Key key2, Coin coin2)
{
// Create the round.
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
var round = Assert.Single(arena.Rounds);
var arenaClient = WabiSabiFactory.CreateArenaClient(arena);
// Register Alices.
var aliceClient1 = new AliceClient(round.Id, arenaClient, coin1, round.FeeRate, key1.GetBitcoinSecret(round.Network));
var aliceClient2 = new AliceClient(round.Id, arenaClient, coin2, round.FeeRate, key2.GetBitcoinSecret(round.Network));
await aliceClient1.RegisterInputAsync(CancellationToken.None).ConfigureAwait(false);
await aliceClient2.RegisterInputAsync(CancellationToken.None).ConfigureAwait(false);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.ConnectionConfirmation, round.Phase);
// Confirm connections.
await aliceClient1.ConfirmConnectionAsync(TimeSpan.FromMilliseconds(100), round.MaxVsizeAllocationPerAlice, CancellationToken.None).ConfigureAwait(false);
await aliceClient2.ConfirmConnectionAsync(TimeSpan.FromMilliseconds(100), round.MaxVsizeAllocationPerAlice, CancellationToken.None).ConfigureAwait(false);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.OutputRegistration, round.Phase);
// Register outputs.
var bobClient = new BobClient(round.Id, arenaClient);
using var destKey1 = new Key();
using var destKey2 = new Key();
await bobClient.RegisterOutputAsync(
coin1.Amount - round.FeeRate.GetFee(coin1.ScriptPubKey.EstimateInputVsize()),
destKey1.PubKey.WitHash.ScriptPubKey,
aliceClient1.RealAmountCredentials,
aliceClient1.RealVsizeCredentials,
CancellationToken.None).ConfigureAwait(false);
await bobClient.RegisterOutputAsync(
coin2.Amount - round.FeeRate.GetFee(coin2.ScriptPubKey.EstimateInputVsize()),
destKey1.PubKey.WitHash.ScriptPubKey,
aliceClient2.RealAmountCredentials,
aliceClient2.RealVsizeCredentials,
CancellationToken.None).ConfigureAwait(false);
return(round, aliceClient1, aliceClient2);
}
CreateRoundWithOutputsReadyToSignAsync(Arena arena, Key key1, SmartCoin coin1, Key key2, SmartCoin coin2)
{
// Create the round.
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
var round = Assert.Single(arena.Rounds);
round.MaxVsizeAllocationPerAlice = 11 + 31 + MultipartyTransactionParameters.SharedOverhead;
var arenaClient = WabiSabiFactory.CreateArenaClient(arena);
// Register Alices.
using RoundStateUpdater roundStateUpdater = new(TimeSpan.FromSeconds(2), arena);
await roundStateUpdater.StartAsync(CancellationToken.None);
using var identificationKey = new Key();
var task1 = AliceClient.CreateRegisterAndConfirmInputAsync(RoundState.FromRound(round), arenaClient, coin1, key1.GetBitcoinSecret(round.Network), identificationKey, roundStateUpdater, CancellationToken.None);
var task2 = AliceClient.CreateRegisterAndConfirmInputAsync(RoundState.FromRound(round), arenaClient, coin2, key2.GetBitcoinSecret(round.Network), identificationKey, roundStateUpdater, CancellationToken.None);
while (Phase.OutputRegistration != round.Phase)
{
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
}
await Task.WhenAll(task1, task2);
var aliceClient1 = task1.Result;
var aliceClient2 = task2.Result;
// Register outputs.
var bobClient = new BobClient(round.Id, arenaClient);
using var destKey1 = new Key();
using var destKey2 = new Key();
await bobClient.RegisterOutputAsync(
destKey1.PubKey.WitHash.ScriptPubKey,
aliceClient1.IssuedAmountCredentials.Take(ProtocolConstants.CredentialNumber),
aliceClient1.IssuedVsizeCredentials.Take(ProtocolConstants.CredentialNumber),
CancellationToken.None).ConfigureAwait(false);
await bobClient.RegisterOutputAsync(
destKey1.PubKey.WitHash.ScriptPubKey,
aliceClient2.IssuedAmountCredentials.Take(ProtocolConstants.CredentialNumber),
aliceClient2.IssuedVsizeCredentials.Take(ProtocolConstants.CredentialNumber),
CancellationToken.None).ConfigureAwait(false);
await roundStateUpdater.StopAsync(CancellationToken.None);
return(round, aliceClient1, aliceClient2);
}
public async Task DoesntSwitchImmaturelyAsync()
{
WabiSabiConfig cfg = new()
{
MaxInputCountByRound = 2,
MinInputCountByRoundMultiplier = 0.5
};
var(key1, coin1, key2, coin2) = WabiSabiFactory.CreateCoinKeyPairs();
var mockRpc = WabiSabiFactory.CreatePreconfiguredRpcClient(coin1.Coin, coin2.Coin);
using Arena arena = await WabiSabiFactory.CreateAndStartArenaAsync(cfg, mockRpc);
var(round, arenaClient, alices) = await CreateRoundWithTwoConfirmedConnectionsAsync(arena, key1, coin1, key2, coin2);
var(amountCredentials1, vsizeCredentials1) = (alices[0].IssuedAmountCredentials, alices[0].IssuedVsizeCredentials);
var(amountCredentials2, vsizeCredentials2) = (alices[1].IssuedAmountCredentials, alices[1].IssuedVsizeCredentials);
// Register outputs.
var bobClient = new BobClient(round.Id, arenaClient);
using var destKey = new Key();
await bobClient.RegisterOutputAsync(
destKey.PubKey.WitHash.ScriptPubKey,
amountCredentials1.Take(ProtocolConstants.CredentialNumber),
vsizeCredentials1.Take(ProtocolConstants.CredentialNumber),
CancellationToken.None);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.OutputRegistration, round.Phase);
await arena.StopAsync(CancellationToken.None);
}
public async Task StartOutputRegistrationAsync(
BobClient bobClient,
Script scriptPubKey,
CancellationToken cancellationToken)
{
await Task.WhenAll(AmountCredentialToPresentTasks.Concat(VsizeCredentialToPresentTasks)).ConfigureAwait(false);
IEnumerable <Credential> inputAmountCredentials = AmountCredentialToPresentTasks.Select(x => x.Result);
IEnumerable <Credential> inputVsizeCredentials = VsizeCredentialToPresentTasks.Select(x => x.Result);
await bobClient.RegisterOutputAsync(
scriptPubKey,
inputAmountCredentials,
inputVsizeCredentials,
cancellationToken).ConfigureAwait(false);
}
public async Task SomeBobsRegisteredTimeoutAsync()
{
WabiSabiConfig cfg = new()
{
MaxInputCountByRound = 2,
MinInputCountByRoundMultiplier = 0.5,
OutputRegistrationTimeout = TimeSpan.Zero
};
using Key key1 = new();
using Key key2 = new();
var coin1 = WabiSabiFactory.CreateCoin(key1);
var coin2 = WabiSabiFactory.CreateCoin(key2);
var mockRpc = WabiSabiFactory.CreatePreconfiguredRpcClient(coin1, coin2);
using Arena arena = await WabiSabiFactory.CreateAndStartArenaAsync(cfg, mockRpc).ConfigureAwait(false);
var(round, arenaClient, alices) = await CreateRoundWithTwoConfirmedConnectionsAsync(arena, key1, coin1, key2, coin2).ConfigureAwait(false);
var(realAmountCredentials1, realVsizeCredentials1) = alices[0];
var(realAmountCredentials2, realVsizeCredentials2) = alices[1];
// Register outputs.
var bobClient = new BobClient(round.Id, arenaClient);
using var destKey = new Key();
await bobClient.RegisterOutputAsync(
coin1.Amount - round.FeeRate.GetFee(coin1.ScriptPubKey.EstimateInputVsize()),
destKey.PubKey.WitHash.ScriptPubKey,
realAmountCredentials1,
realVsizeCredentials1,
CancellationToken.None).ConfigureAwait(false);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.TransactionSigning, round.Phase);
var tx = round.Assert <SigningState>().CreateTransaction();
Assert.Equal(2, tx.Inputs.Count);
Assert.Equal(2, tx.Outputs.Count);
Assert.Contains(cfg.BlameScript, tx.Outputs.Select(x => x.ScriptPubKey));
await arena.StopAsync(CancellationToken.None);
}
public async Task SomeBobsRegisteredTimeoutAsync()
{
WabiSabiConfig cfg = new()
{
MaxInputCountByRound = 2,
MinInputCountByRoundMultiplier = 0.5,
OutputRegistrationTimeout = TimeSpan.Zero,
CoordinationFeeRate = CoordinationFeeRate.Zero
};
var(keyChain, coin1, coin2) = WabiSabiFactory.CreateCoinKeyPairs();
var mockRpc = WabiSabiFactory.CreatePreconfiguredRpcClient(coin1.Coin, coin2.Coin);
using Arena arena = await ArenaBuilder.From(cfg).With(mockRpc).CreateAndStartAsync();
var(round, arenaClient, alices) = await CreateRoundWithTwoConfirmedConnectionsAsync(arena, keyChain, coin1, coin2);
var(amountCredentials1, vsizeCredentials1) = (alices[0].IssuedAmountCredentials, alices[0].IssuedVsizeCredentials);
var(amountCredentials2, vsizeCredentials2) = (alices[1].IssuedAmountCredentials, alices[1].IssuedVsizeCredentials);
// Register outputs.
var bobClient = new BobClient(round.Id, arenaClient);
using var destKey = new Key();
await bobClient.RegisterOutputAsync(
destKey.PubKey.WitHash.ScriptPubKey,
amountCredentials1.Take(ProtocolConstants.CredentialNumber),
vsizeCredentials1.Take(ProtocolConstants.CredentialNumber),
CancellationToken.None);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.TransactionSigning, round.Phase);
var tx = round.Assert <SigningState>().CreateTransaction();
Assert.Equal(2, tx.Inputs.Count);
Assert.Equal(2, tx.Outputs.Count);
Assert.Contains(round.CoordinatorScript, tx.Outputs.Select(x => x.ScriptPubKey));
await arena.StopAsync(CancellationToken.None);
}
CreateRoundWithOutputsReadyToSignAsync(Arena arena, Key key1, Coin coin1, Key key2, Coin coin2)
{
// Create the round.
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
var round = Assert.Single(arena.Rounds);
var arenaClient = WabiSabiFactory.CreateArenaClient(arena);
// Register Alices.
var aliceClient1 = new AliceClient(round.Id, arenaClient, coin1, round.FeeRate, key1.GetBitcoinSecret(round.Network));
var aliceClient2 = new AliceClient(round.Id, arenaClient, coin2, round.FeeRate, key2.GetBitcoinSecret(round.Network));
await aliceClient1.RegisterInputAsync(CancellationToken.None).ConfigureAwait(false);
await aliceClient2.RegisterInputAsync(CancellationToken.None).ConfigureAwait(false);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.ConnectionConfirmation, round.Phase);
// Confirm connections.
using RoundStateUpdater roundStateUpdater = new(TimeSpan.FromSeconds(2), new ArenaRequestHandlerAdapter(arena));
await aliceClient1.ConfirmConnectionAsync(
TimeSpan.FromMilliseconds(100),
new long[] { coin1.EffectiveValue(round.FeeRate) },
new long[] { round.MaxVsizeAllocationPerAlice - coin1.ScriptPubKey.EstimateInputVsize() },
roundStateUpdater,
CancellationToken.None).ConfigureAwait(false);
await aliceClient2.ConfirmConnectionAsync(
TimeSpan.FromMilliseconds(100),
new long[] { coin2.EffectiveValue(round.FeeRate) },
new long[] { round.MaxVsizeAllocationPerAlice - coin2.ScriptPubKey.EstimateInputVsize() },
roundStateUpdater,
CancellationToken.None).ConfigureAwait(false);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.OutputRegistration, round.Phase);
// Register outputs.
var bobClient = new BobClient(round.Id, arenaClient);
using var destKey1 = new Key();
using var destKey2 = new Key();
await bobClient.RegisterOutputAsync(
coin1.Amount - round.FeeRate.GetFee(coin1.ScriptPubKey.EstimateInputVsize()),
destKey1.PubKey.WitHash.ScriptPubKey,
aliceClient1.IssuedAmountCredentials.Take(ProtocolConstants.CredentialNumber),
aliceClient1.IssuedVsizeCredentials.Take(ProtocolConstants.CredentialNumber),
CancellationToken.None).ConfigureAwait(false);
await bobClient.RegisterOutputAsync(
coin2.Amount - round.FeeRate.GetFee(coin2.ScriptPubKey.EstimateInputVsize()),
destKey1.PubKey.WitHash.ScriptPubKey,
aliceClient2.IssuedAmountCredentials.Take(ProtocolConstants.CredentialNumber),
aliceClient2.IssuedVsizeCredentials.Take(ProtocolConstants.CredentialNumber),
CancellationToken.None).ConfigureAwait(false);
return(round, aliceClient1, aliceClient2);
}
public async Task RegisterOutputTestAsync()
{
var config = new WabiSabiConfig {
MaxInputCountByRound = 1
};
var round = WabiSabiFactory.CreateRound(config);
var km = ServiceFactory.CreateKeyManager("");
var key = BitcoinFactory.CreateHdPubKey(km);
SmartCoin coin1 = BitcoinFactory.CreateSmartCoin(key, Money.Coins(2m));
var mockRpc = WabiSabiFactory.CreatePreconfiguredRpcClient(coin1.Coin);
using Arena arena = await WabiSabiFactory.CreateAndStartArenaAsync(config, mockRpc, round);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromMinutes(1));
await using var coordinator = new ArenaRequestHandler(config, new Prison(), arena, mockRpc.Object);
var insecureRandom = new InsecureRandom();
var wabiSabiApi = new WabiSabiController(coordinator);
var roundState = RoundState.FromRound(round);
var aliceArenaClient = new ArenaClient(
roundState.CreateAmountCredentialClient(insecureRandom),
roundState.CreateVsizeCredentialClient(insecureRandom),
wabiSabiApi);
var bobArenaClient = new ArenaClient(
roundState.CreateAmountCredentialClient(insecureRandom),
roundState.CreateVsizeCredentialClient(insecureRandom),
wabiSabiApi);
Assert.Equal(Phase.InputRegistration, round.Phase);
var bitcoinSecret = km.GetSecrets("", coin1.ScriptPubKey).Single().PrivateKey.GetBitcoinSecret(Network.Main);
using RoundStateUpdater roundStateUpdater = new(TimeSpan.FromSeconds(2), wabiSabiApi);
await roundStateUpdater.StartAsync(CancellationToken.None);
var task = AliceClient.CreateRegisterAndConfirmInputAsync(RoundState.FromRound(round), aliceArenaClient, coin1, bitcoinSecret, roundStateUpdater, CancellationToken.None);
do
{
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromMinutes(1));
}while (round.Phase != Phase.ConnectionConfirmation);
var aliceClient = await task;
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromMinutes(1));
Assert.Equal(Phase.OutputRegistration, round.Phase);
using var destinationKey = new Key();
var destination = destinationKey.PubKey.WitHash.ScriptPubKey;
var bobClient = new BobClient(round.Id, bobArenaClient);
await bobClient.RegisterOutputAsync(
destination,
aliceClient.IssuedAmountCredentials.Take(ProtocolConstants.CredentialNumber),
aliceClient.IssuedVsizeCredentials.Take(ProtocolConstants.CredentialNumber),
CancellationToken.None);
var bob = Assert.Single(round.Bobs);
Assert.Equal(destination, bob.Script);
var credentialAmountSum = aliceClient.IssuedAmountCredentials.Take(ProtocolConstants.CredentialNumber).Sum(x => x.Value);
Assert.Equal(credentialAmountSum, bob.CredentialAmount);
}
public async Task RegisterOutputTestAsync()
{
var config = new WabiSabiConfig {
MaxInputCountByRound = 1
};
var round = WabiSabiFactory.CreateRound(config);
var km = ServiceFactory.CreateKeyManager("");
var key = BitcoinFactory.CreateHdPubKey(km);
SmartCoin coin1 = BitcoinFactory.CreateSmartCoin(key, Money.Coins(2m));
var mockRpc = WabiSabiFactory.CreatePreconfiguredRpcClient(coin1.Coin);
using Arena arena = await ArenaBuilder.From(config).With(mockRpc).CreateAndStartAsync(round);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromMinutes(1));
using var memoryCache = new MemoryCache(new MemoryCacheOptions());
var idempotencyRequestCache = new IdempotencyRequestCache(memoryCache);
using CoinJoinFeeRateStatStore coinJoinFeeRateStatStore = new(config, arena.Rpc);
var wabiSabiApi = new WabiSabiController(idempotencyRequestCache, arena, coinJoinFeeRateStatStore);
InsecureRandom insecureRandom = InsecureRandom.Instance;
var roundState = RoundState.FromRound(round);
var aliceArenaClient = new ArenaClient(
roundState.CreateAmountCredentialClient(insecureRandom),
roundState.CreateVsizeCredentialClient(insecureRandom),
wabiSabiApi);
var bobArenaClient = new ArenaClient(
roundState.CreateAmountCredentialClient(insecureRandom),
roundState.CreateVsizeCredentialClient(insecureRandom),
wabiSabiApi);
Assert.Equal(Phase.InputRegistration, round.Phase);
using RoundStateUpdater roundStateUpdater = new(TimeSpan.FromSeconds(2), wabiSabiApi);
await roundStateUpdater.StartAsync(CancellationToken.None);
var keyChain = new KeyChain(km, new Kitchen(""));
var task = AliceClient.CreateRegisterAndConfirmInputAsync(RoundState.FromRound(round), aliceArenaClient, coin1, keyChain, roundStateUpdater, CancellationToken.None);
do
{
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromMinutes(1));
}while (round.Phase != Phase.ConnectionConfirmation);
var aliceClient = await task;
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromMinutes(1));
Assert.Equal(Phase.OutputRegistration, round.Phase);
using var destinationKey = new Key();
var destination = destinationKey.PubKey.WitHash.ScriptPubKey;
var bobClient = new BobClient(round.Id, bobArenaClient);
await bobClient.RegisterOutputAsync(
destination,
aliceClient.IssuedAmountCredentials.Take(ProtocolConstants.CredentialNumber),
aliceClient.IssuedVsizeCredentials.Take(ProtocolConstants.CredentialNumber),
CancellationToken.None);
var bob = Assert.Single(round.Bobs);
Assert.Equal(destination, bob.Script);
var credentialAmountSum = aliceClient.IssuedAmountCredentials.Take(ProtocolConstants.CredentialNumber).Sum(x => x.Value);
Assert.Equal(credentialAmountSum, bob.CredentialAmount);
}
public async Task RegisterOutputTestAsync()
{
var config = new WabiSabiConfig {
MaxInputCountByRound = 1
};
var round = WabiSabiFactory.CreateRound(config);
using Arena arena = await WabiSabiFactory.CreateAndStartArenaAsync(config, round);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromMinutes(1));
var km = ServiceFactory.CreateKeyManager("");
var key = BitcoinFactory.CreateHdPubKey(km);
SmartCoin coin1 = BitcoinFactory.CreateSmartCoin(key, Money.Coins(2m));
var outpoint = coin1.OutPoint;
var mockRpc = new Mock <IRPCClient>();
mockRpc.Setup(rpc => rpc.GetTxOutAsync(outpoint.Hash, (int)outpoint.N, true))
.ReturnsAsync(new NBitcoin.RPC.GetTxOutResponse
{
IsCoinBase = false,
Confirmations = coin1.Height,
TxOut = coin1.TxOut,
});
CredentialPool amountCredential = new();
CredentialPool vsizeCredential = new();
await using var coordinator = new ArenaRequestHandler(config, new Prison(), arena, mockRpc.Object);
var aliceArenaClient = new ArenaClient(round.AmountCredentialIssuerParameters, round.VsizeCredentialIssuerParameters, amountCredential, vsizeCredential, coordinator, new InsecureRandom());
var bobArenaClient = new ArenaClient(round.AmountCredentialIssuerParameters, round.VsizeCredentialIssuerParameters, amountCredential, vsizeCredential, coordinator, new InsecureRandom());
Assert.Equal(Phase.InputRegistration, round.Phase);
var bitcoinSecret = km.GetSecrets("", coin1.ScriptPubKey).Single().PrivateKey.GetBitcoinSecret(Network.Main);
var aliceClient = await AliceClient.CreateNewAsync(aliceArenaClient, new[] { coin1.Coin }, bitcoinSecret, round.Id, round.Hash, round.FeeRate);
Task confirmationTask = aliceClient.ConfirmConnectionAsync(TimeSpan.FromSeconds(3), CancellationToken.None);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromMinutes(1));
await confirmationTask;
Assert.Equal(Phase.ConnectionConfirmation, round.Phase);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromMinutes(1));
Assert.Equal(Phase.OutputRegistration, round.Phase);
using var destinationKey1 = new Key();
using var destinationKey2 = new Key();
using var destinationKey3 = new Key();
using var destinationKey4 = new Key();
var bobClient = new BobClient(round.Id, bobArenaClient);
await bobClient.RegisterOutputAsync(Money.Coins(0.25m), destinationKey1.PubKey.WitHash.ScriptPubKey);
await bobClient.RegisterOutputAsync(Money.Coins(0.25m), destinationKey2.PubKey.WitHash.ScriptPubKey);
await bobClient.RegisterOutputAsync(Money.Coins(0.25m), destinationKey3.PubKey.WitHash.ScriptPubKey);
await bobClient.RegisterOutputAsync(Money.Coins(0.25m), destinationKey4.PubKey.WitHash.ScriptPubKey);
Assert.Equal(4, round.Bobs.Count);
}
public async Task RegisterOutputTestAsync()
{
var config = new WabiSabiConfig {
MaxInputCountByRound = 1
};
var round = WabiSabiFactory.CreateRound(config);
var km = ServiceFactory.CreateKeyManager("");
var key = BitcoinFactory.CreateHdPubKey(km);
SmartCoin coin1 = BitcoinFactory.CreateSmartCoin(key, Money.Coins(2m));
var mockRpc = WabiSabiFactory.CreatePreconfiguredRpcClient(coin1.Coin);
using Arena arena = await WabiSabiFactory.CreateAndStartArenaAsync(config, mockRpc, round);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromMinutes(1));
ZeroCredentialPool zeroAmountCredential = new();
ZeroCredentialPool zeroVsizeCredential = new();
await using var coordinator = new ArenaRequestHandler(config, new Prison(), arena, mockRpc.Object);
var insecureRandom = new InsecureRandom();
var wabiSabiApi = new WabiSabiController(coordinator);
var roundState = RoundState.FromRound(round);
var aliceArenaClient = new ArenaClient(
roundState.CreateAmountCredentialClient(zeroAmountCredential, insecureRandom),
roundState.CreateVsizeCredentialClient(zeroVsizeCredential, insecureRandom),
wabiSabiApi);
var bobArenaClient = new ArenaClient(
roundState.CreateAmountCredentialClient(zeroAmountCredential, insecureRandom),
roundState.CreateVsizeCredentialClient(zeroVsizeCredential, insecureRandom),
wabiSabiApi);
Assert.Equal(Phase.InputRegistration, round.Phase);
var bitcoinSecret = km.GetSecrets("", coin1.ScriptPubKey).Single().PrivateKey.GetBitcoinSecret(Network.Main);
var aliceClient = new AliceClient(round.Id, aliceArenaClient, coin1.Coin, round.FeeRate, bitcoinSecret);
await aliceClient.RegisterInputAsync(CancellationToken.None);
Task confirmationTask = aliceClient.ConfirmConnectionAsync(TimeSpan.FromSeconds(1), roundState.MaxVsizeAllocationPerAlice, CancellationToken.None);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromMinutes(1));
await confirmationTask;
Assert.Equal(Phase.ConnectionConfirmation, round.Phase);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromMinutes(1));
Assert.Equal(Phase.OutputRegistration, round.Phase);
using var destinationKey = new Key();
var destination = destinationKey.PubKey.WitHash.ScriptPubKey;
var bobClient = new BobClient(round.Id, bobArenaClient);
await bobClient.RegisterOutputAsync(Money.Coins(0.25m), destination, aliceClient.RealAmountCredentials, aliceClient.RealVsizeCredentials, CancellationToken.None);
var bob = Assert.Single(round.Bobs);
Assert.Equal(destination, bob.Script);
Assert.Equal(25_000_000, bob.CredentialAmount);
}
public async Task DiffTooSmallToBlameAsync()
{
WabiSabiConfig cfg = new()
{
MaxInputCountByRound = 2,
MinInputCountByRoundMultiplier = 0.5,
OutputRegistrationTimeout = TimeSpan.Zero
};
using Key key1 = new();
using Key key2 = new();
var coin1 = WabiSabiFactory.CreateCoin(key1);
var coin2 = WabiSabiFactory.CreateCoin(key2);
var mockRpc = WabiSabiFactory.CreatePreconfiguredRpcClient(coin1, coin2);
using Arena arena = await WabiSabiFactory.CreateAndStartArenaAsync(cfg, mockRpc);
var(round, arenaClient, alices) = await CreateRoundWithTwoConfirmedConnectionsAsync(arena, key1, coin1, key2, coin2).ConfigureAwait(false);
var(realAmountCredentials1, realVsizeCredentials1) = alices[0];
var(realAmountCredentials2, realVsizeCredentials2) = alices[1];
// Register outputs.
var bobClient = new BobClient(round.Id, arenaClient);
using var destKey1 = new Key();
using var destKey2 = new Key();
await bobClient.RegisterOutputAsync(
coin1.Amount - round.FeeRate.GetFee(coin1.ScriptPubKey.EstimateInputVsize()),
destKey1.PubKey.WitHash.ScriptPubKey,
realAmountCredentials1,
realVsizeCredentials1,
CancellationToken.None).ConfigureAwait(false);
await bobClient.RegisterOutputAsync(
coin2.Amount - round.FeeRate.GetFee(coin2.ScriptPubKey.EstimateInputVsize()),
destKey2.PubKey.WitHash.ScriptPubKey,
realAmountCredentials2,
realVsizeCredentials2,
CancellationToken.None).ConfigureAwait(false);
// Add another input. The input must be able to pay for itself, but
// the remaining amount after deducting the fees needs to be less
// than the minimum.
var txParams = round.Assert <ConstructionState>().Parameters;
var extraAlice = WabiSabiFactory.CreateAlice(txParams.FeeRate.GetFee(Constants.P2wpkhInputVirtualSize) + txParams.AllowedOutputAmounts.Min - new Money(1L));
round.Alices.Add(extraAlice);
round.CoinjoinState = round.Assert <ConstructionState>().AddInput(extraAlice.Coin);
await arena.TriggerAndWaitRoundAsync(TimeSpan.FromSeconds(21));
Assert.Equal(Phase.TransactionSigning, round.Phase);
var tx = round.Assert <SigningState>().CreateTransaction();
Assert.Equal(3, tx.Inputs.Count);
Assert.Equal(2, tx.Outputs.Count);
Assert.DoesNotContain(cfg.BlameScript, tx.Outputs.Select(x => x.ScriptPubKey));
await arena.StopAsync(CancellationToken.None);
}
