public void WhenRefreshWhitelist_AndInactivePeersInWhitelist_ThenWhitelistDoesNotContainInactivePeers()
{
// Arrange.
Mock <IDateTimeProvider> mockDateTimeProvider = new Mock <IDateTimeProvider>();
Mock <ILogger> mockLogger = new Mock <ILogger>();
Mock <ILoggerFactory> mockLoggerFactory = new Mock <ILoggerFactory>();
mockLoggerFactory.Setup(l => l.CreateLogger(It.IsAny <string>())).Returns(mockLogger.Object);
ILoggerFactory loggerFactory = mockLoggerFactory.Object;
mockDateTimeProvider.Setup(d => d.GetTimeOffset()).Returns(new DateTimeOffset(new DateTime(2017, 8, 30, 1, 2, 3))).Verifiable();
IDateTimeProvider dateTimeProvider = mockDateTimeProvider.Object;
int inactiveTimePeriod = 3000;
IPAddress activeIpAddressOne = IPAddress.Parse("::ffff:192.168.0.1");
NetworkAddress activeNetworkAddressOne = new NetworkAddress(activeIpAddressOne, 80);
IPAddress activeIpAddressTwo = IPAddress.Parse("::ffff:192.168.0.2");
NetworkAddress activeNetworkAddressTwo = new NetworkAddress(activeIpAddressTwo, 80);
IPAddress activeIpAddressThree = IPAddress.Parse("::ffff:192.168.0.3");
NetworkAddress activeNetworkAddressThree = new NetworkAddress(activeIpAddressThree, 80);
IPAddress activeIpAddressFour = IPAddress.Parse("::ffff:192.168.0.4");
NetworkAddress activeNetworkAddressFour = new NetworkAddress(activeIpAddressFour, 80);
List <Tuple <NetworkAddress, DateTimeOffset> > activeTestDataSet = new List <Tuple <NetworkAddress, DateTimeOffset> >()
{
new Tuple <NetworkAddress, DateTimeOffset> (activeNetworkAddressOne, dateTimeProvider.GetTimeOffset().AddSeconds(-inactiveTimePeriod).AddSeconds(10)),
new Tuple <NetworkAddress, DateTimeOffset>(activeNetworkAddressTwo, dateTimeProvider.GetTimeOffset().AddSeconds(-inactiveTimePeriod).AddSeconds(20)),
new Tuple <NetworkAddress, DateTimeOffset>(activeNetworkAddressThree, dateTimeProvider.GetTimeOffset().AddSeconds(-inactiveTimePeriod).AddSeconds(30)),
new Tuple <NetworkAddress, DateTimeOffset>(activeNetworkAddressFour, dateTimeProvider.GetTimeOffset().AddSeconds(-inactiveTimePeriod).AddSeconds(40))
};
IPAddress inactiveIpAddressOne = IPAddress.Parse("::ffff:192.168.100.1");
NetworkAddress inactiveNetworkAddressOne = new NetworkAddress(inactiveIpAddressOne, 80);
IPAddress inactiveIpAddressTwo = IPAddress.Parse("::ffff:192.168.100.2");
NetworkAddress inactiveNetworkAddressTwo = new NetworkAddress(inactiveIpAddressTwo, 80);
IPAddress inactiveIpAddressThree = IPAddress.Parse("::ffff:192.168.100.3");
NetworkAddress inactiveNetworkAddressThree = new NetworkAddress(inactiveIpAddressThree, 80);
List <Tuple <NetworkAddress, DateTimeOffset> > inactiveTestDataSet = new List <Tuple <NetworkAddress, DateTimeOffset> >()
{
new Tuple <NetworkAddress, DateTimeOffset> (inactiveNetworkAddressOne, dateTimeProvider.GetTimeOffset().AddSeconds(-inactiveTimePeriod).AddSeconds(-10)),
new Tuple <NetworkAddress, DateTimeOffset>(inactiveNetworkAddressTwo, dateTimeProvider.GetTimeOffset().AddSeconds(-inactiveTimePeriod).AddSeconds(-20)),
new Tuple <NetworkAddress, DateTimeOffset>(inactiveNetworkAddressThree, dateTimeProvider.GetTimeOffset().AddSeconds(-inactiveTimePeriod).AddSeconds(-30))
};
IPeerAddressManager peerAddressManager = this.CreateTestPeerAddressManager(activeTestDataSet.Concat(inactiveTestDataSet).ToList());
IMasterFile spiedMasterFile = null;
Mock <IDnsServer> mockDnsServer = new Mock <IDnsServer>();
mockDnsServer.Setup(d => d.SwapMasterfile(It.IsAny <IMasterFile>()))
.Callback <IMasterFile>(m =>
{
spiedMasterFile = m;
})
.Verifiable();
NodeSettings nodeSettings = NodeSettings.Default();
DnsSettings dnsSettings = new Mock <DnsSettings>().Object;
dnsSettings.DnsPeerBlacklistThresholdInSeconds = inactiveTimePeriod;
dnsSettings.DnsHostName = "stratis.test.com";
ConnectionManagerSettings connectionSettings = new ConnectionManagerSettings();
connectionSettings.Load(nodeSettings);
WhitelistManager whitelistManager = new WhitelistManager(dateTimeProvider, loggerFactory, peerAddressManager, mockDnsServer.Object, connectionSettings, dnsSettings);
// Act.
whitelistManager.RefreshWhitelist();
// Assert.
spiedMasterFile.Should().NotBeNull();
Question question = new Question(new Domain(dnsSettings.DnsHostName), RecordType.AAAA);
IList <IResourceRecord> resourceRecords = spiedMasterFile.Get(question);
resourceRecords.Should().NotBeNullOrEmpty();
IList <IPAddressResourceRecord> ipAddressResourceRecords = resourceRecords.OfType <IPAddressResourceRecord>().ToList();
ipAddressResourceRecords.Should().HaveSameCount(activeTestDataSet);
foreach (Tuple <NetworkAddress, DateTimeOffset> testData in activeTestDataSet)
{
ipAddressResourceRecords.SingleOrDefault(i => i.IPAddress.Equals(testData.Item1.Endpoint.Address)).Should().NotBeNull("the ip address is active and should be in DNS");
}
foreach (Tuple <NetworkAddress, DateTimeOffset> testData in inactiveTestDataSet)
{
ipAddressResourceRecords.SingleOrDefault(i => i.IPAddress.Equals(testData.Item1.Endpoint.Address)).Should().BeNull("the ip address is inactive and should not be returned from DNS");
}
}
public void BuildTransactionNoChangeAdressesLeftCreatesNewChangeAddress()
{
DataFolder dataFolder = CreateDataFolder(this);
var wallet = WalletTestsHelpers.GenerateBlankWallet("myWallet1", "password");
var accountKeys = WalletTestsHelpers.GenerateAccountKeys(wallet, "password", "m/44'/0'/0'");
var spendingKeys = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "0/0");
var destinationKeys = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "0/1");
var address = new HdAddress
{
Index = 0,
HdPath = $"m/44'/0'/0'/0/0",
Address = spendingKeys.Address.ToString(),
Pubkey = spendingKeys.PubKey.ScriptPubKey,
ScriptPubKey = spendingKeys.Address.ScriptPubKey,
Transactions = new List <TransactionData>()
};
var chain = new ConcurrentChain(wallet.Network.GetGenesis().Header);
WalletTestsHelpers.AddBlocksWithCoinbaseToChain(wallet.Network, chain, address);
var addressTransaction = address.Transactions.First();
wallet.AccountsRoot.ElementAt(0).Accounts.Add(new HdAccount
{
Index = 0,
Name = "account1",
HdPath = "m/44'/0'/0'",
ExtendedPubKey = accountKeys.ExtPubKey,
ExternalAddresses = new List <HdAddress> {
address
},
InternalAddresses = new List <HdAddress>()
});
var walletFeePolicy = new Mock <IWalletFeePolicy>();
walletFeePolicy.Setup(w => w.GetFeeRate(FeeType.Low.ToConfirmations()))
.Returns(new FeeRate(20000));
var walletManager = new WalletManager(this.LoggerFactory.Object, Network.Main, chain, NodeSettings.Default(), dataFolder,
walletFeePolicy.Object, new Mock <IAsyncLoopFactory>().Object, new NodeLifetime(), DateTimeProvider.Default);
var walletTransactionHandler = new WalletTransactionHandler(this.LoggerFactory.Object, chain, walletManager, walletFeePolicy.Object, Network.Main);
walletManager.Wallets.Add(wallet);
var walletReference = new WalletAccountReference
{
AccountName = "account1",
WalletName = "myWallet1"
};
var context = CreateContext(walletReference, "password", destinationKeys.PubKey.ScriptPubKey, new Money(7500), FeeType.Low, 0);
var transactionResult = walletTransactionHandler.BuildTransaction(context);
var result = new Transaction(transactionResult.ToHex());
var expectedChangeAddressKeys = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "1/0");
Assert.Single(result.Inputs);
Assert.Equal(addressTransaction.Id, result.Inputs[0].PrevOut.Hash);
Assert.Equal(2, result.Outputs.Count);
var output = result.Outputs[0];
Assert.Equal((addressTransaction.Amount - context.TransactionFee - 7500), output.Value);
Assert.Equal(expectedChangeAddressKeys.Address.ScriptPubKey, output.ScriptPubKey);
output = result.Outputs[1];
Assert.Equal(7500, output.Value);
Assert.Equal(destinationKeys.PubKey.ScriptPubKey, output.ScriptPubKey);
Assert.Equal(addressTransaction.Amount - context.TransactionFee, result.TotalOut);
Assert.NotNull(transactionResult.GetHash());
Assert.Equal(result.GetHash(), transactionResult.GetHash());
}
public void Given_AnInvalidAccountIsUsed_When_GetMaximumSpendableAmountIsCalled_Then_AnExceptionIsThrown()
{
DataFolder dataFolder = CreateDataFolder(this);
var walletManager = new WalletManager(this.LoggerFactory.Object, Network.Main, new Mock <ConcurrentChain>().Object, NodeSettings.Default(),
dataFolder, new Mock <IWalletFeePolicy>().Object, new Mock <IAsyncLoopFactory>().Object, new NodeLifetime(), DateTimeProvider.Default);
var walletTransactionHandler = new WalletTransactionHandler(this.LoggerFactory.Object, It.IsAny <ConcurrentChain>(), walletManager, It.IsAny <WalletFeePolicy>(), Network.Main);
var wallet = WalletTestsHelpers.CreateWallet("wallet1");
wallet.AccountsRoot.Add(new AccountRoot()
{
Accounts = new List <HdAccount> {
WalletTestsHelpers.CreateAccount("account 1")
}
});
walletManager.Wallets.Add(wallet);
Exception ex = Assert.Throws <WalletException>(() => walletTransactionHandler.GetMaximumSpendableAmount(new WalletAccountReference("wallet1", "noaccount"), FeeType.Low, true));
Assert.NotNull(ex);
Assert.NotNull(ex.Message);
Assert.NotEqual(string.Empty, ex.Message);
Assert.IsType <WalletException>(ex);
}
public void VerifyCheckpoints_StratisMainnet()
{
var verifyableCheckpoints = new Dictionary <int, CheckpointInfo>
{
{ 0, new CheckpointInfo(new uint256("0x0000066e91e46e5a264d42c89e1204963b2ee6be230b443e9159020539d972af"), new uint256("0x0000000000000000000000000000000000000000000000000000000000000000")) },
{ 2, new CheckpointInfo(new uint256("0xbca5936f638181e74a5f1e9999c95b0ce77da48c2688399e72bcc53a00c61eff"), new uint256("0x7d61c139a471821caa6b7635a4636e90afcfe5e195040aecbc1ad7d24924db1e")) }, // Premine
{ 50, new CheckpointInfo(new uint256("0x0353b43f4ce80bf24578e7c0141d90d7962fb3a4b4b4e5a17925ca95e943b816"), new uint256("0x7c2af3b10d13f9d2bc6063baaf7f0860d90d870c994378144f9bf85d0d555061")) },
{ 100, new CheckpointInfo(new uint256("0x688468a8aa48cd1c2197e42e7d8acd42760b7e2ac4bcab9d18ac149a673e16f6"), new uint256("0xcf2b1e9e76aaa3d96f255783eb2d907bf6ccb9c1deeb3617149278f0e4a1ab1b")) },
{ 150, new CheckpointInfo(new uint256("0xe4ae9663519abec15e28f68bdb2cb89a739aee22f53d1573048d69141db6ee5d"), new uint256("0xa6c17173e958dc716cc0892ce33dad8bc327963d78a16c436264ceae43d584ce")) },
{ 127500, new CheckpointInfo(new uint256("0x4773ca7512489df22de03aa03938412fab5b46154b05df004b97bcbeaa184078"), new uint256("0x619743c02ebaff06b90fcc5c60c52dba8aa3fdb6ba3800aae697cbb3c5483f17")) },
{ 128943, new CheckpointInfo(new uint256("0x36bcaa27a53d3adf22b2064150a297adb02ac39c24263a5ceb73856832d49679"), new uint256("0xa3a6fd04e41fcaae411a3990aaabcf5e086d2d06c72c849182b27b4de8c2c42a")) },
{ 136601, new CheckpointInfo(new uint256("0xf5c5210c55ff1ef9c04715420a82728e1647f3473e31dc478b3745a97b4a6d10"), new uint256("0x42058fabe21f7b118a9e358eaf9ef574dadefd024244899e71f2f6d618161e16")) }, // Hardfork to V2 - Drifting Bug Fix
{ 170000, new CheckpointInfo(new uint256("0x22b10952e0cf7e85bfc81c38f1490708f195bff34d2951d193cc20e9ca1fc9d5"), new uint256("0xa4942a6c99cba397cf2b18e4b912930fe1e64a7413c3d97c5a926c2af9073091")) },
{ 200000, new CheckpointInfo(new uint256("0x2391dd493be5d0ff0ef57c3b08c73eefeecc2701b80f983054bb262f7a146989"), new uint256("0x253152d129e82c30c584197deb6833502eff3ec2f30014008f75842d7bb48453")) },
{ 250000, new CheckpointInfo(new uint256("0x681c70fab7c1527246138f0cf937f0eb013838b929fbe9a831af02a60fc4bf55"), new uint256("0x24eed95e00c90618aa9d137d2ee273267285c444c9cde62a25a3e880c98a3685")) },
{ 300000, new CheckpointInfo(new uint256("0xd10ca8c2f065a49ae566c7c9d7a2030f4b8b7f71e4c6fc6b2a02509f94cdcd44"), new uint256("0x39c4dd765b49652935524248b4de4ccb604df086d0723bcd81faf5d1c2489304")) },
{ 350000, new CheckpointInfo(new uint256("0xe2b76d1a068c4342f91db7b89b66e0f2146d3a4706c21f3a262737bb7339253a"), new uint256("0xd1dd94985eaaa028c893687a7ddf89143dcf0176918f958c2d01f33d64910399")) },
{ 390000, new CheckpointInfo(new uint256("0x4682737abc2a3257fdf4c3c119deb09cbac75981969e2ffa998b4f76b7c657bb"), new uint256("0xd84b204ee94499ff65262328a428851fb4f4d2741e928cdd088fdf1deb5413b8")) },
{ 394000, new CheckpointInfo(new uint256("0x42857fa2bc15d45cdcaae83411f755b95985da1cb464ee23f6d40936df523e9f"), new uint256("0x2314b336906a2ed2a39cbdf6fc0622530709c62dbb3a3729de17154fc9d1a7c4")) },
{ 400000, new CheckpointInfo(new uint256("0x4938d5cf450b4e2d9072558971223555055aa3987b634a8bb2e97f95d1a3c501"), new uint256("0x1756c127f0ac7029cf095a6c3ed9b7d206d0e36744d8b3cef306002f9f901a31")) },
{ 450000, new CheckpointInfo(new uint256("0x7699e07ac18c25ac042deb6b985e2decfd6034cb6361de2152a2d704ef785bac"), new uint256("0xa140a86a03c4f852d8a651f6386a02a0262e7bbf841ede8b54541c011c51ba0e")) },
{ 500000, new CheckpointInfo(new uint256("0x558700d99239e64017d10910466719fe1edc6f863bd3de254b89ba828818ea47"), new uint256("0x6a0b7dab4a7aa9ea2477cddffe5a976c9423454835054a39c19d37613002638f")) },
{ 550000, new CheckpointInfo(new uint256("0x83d074957f509772b1fbbfaeb7bdc52932c540d54e205b92a7d4e92f68957eb4"), new uint256("0x012b63ad7d50606f2cafb1a7806ea90f4981c56b5407725aeeff34e3c584433c")) },
{ 600000, new CheckpointInfo(new uint256("0xcd05c75c0c47060d78508095c0766452f80e2defb6a4641ac603742a2ccf2207"), new uint256("0x1f25507e09b199a71d5879811376856e5fb3da1da3d522204c017eec3b6c4dad")) },
{ 650000, new CheckpointInfo(new uint256("0xa2814a439b33662f43bdbc8ab089d368524975bb53a08326395e57456cba8d39"), new uint256("0x192a2ef70e2280cf05aa5655f496a109b2445d0ddda62531e9bce9aaced1fe54")) },
{ 700000, new CheckpointInfo(new uint256("0x782b2506bb67bb448ff56aa946f7aad6b63a6b27d8c5818725a56b568f25b9ce"), new uint256("0xf23dc64b130d80790a83a86913f619afaeef10e1fd24e4b42af9387ec935edd6")) },
{ 750000, new CheckpointInfo(new uint256("0x4db98bd41a2f9ee845cc89ac03109686f615f4d0dcd81e0488005c1616fa692c"), new uint256("0x9f620af75bc27a0e4b503deaf7f052ba112a49bb74fb6446350642bc2ac9d93b")) },
{ 800000, new CheckpointInfo(new uint256("0x161da1d97d35d6897dbdae110617bb839805f8b02d33ac23d227a87cacbfac78"), new uint256("0xe95049a313345f26bfa90094ceb6400f43359fc43fc5f1471918d98bc4ab3bac")) },
{ 850000, new CheckpointInfo(new uint256("0xc3a249b01795b22858aa00fd0973471fcd769a14f4f9cf0abe6651ac3e6ade19"), new uint256("0x5de8766ed4cfcc3ce9d74f38196596c6f91b9ff62cbd20abbfa991dca54d2bd4")) }
};
var checkpoints = new Checkpoints(KnownNetworks.StratisMain, new ConsensusSettings(NodeSettings.Default(KnownNetworks.StratisTest))
{
UseCheckpoints = true
});
VerifyCheckpoints(checkpoints, verifyableCheckpoints);
}
public void GetLastCheckPointHeight_BitcoinRegTestNet_DoesNotLoadCheckpoints()
{
var checkpoints = new Checkpoints(KnownNetworks.RegTest, new ConsensusSettings(NodeSettings.Default(KnownNetworks.StratisTest))
{
UseCheckpoints = true
});
int result = checkpoints.GetLastCheckpointHeight();
Assert.Equal(0, result);
}
private static MempoolManager CreateTestMempool(NodeSettings settings, out TxMempool txMemPool)
{
IDateTimeProvider dateTimeProvider = DateTimeProvider.Default;
txMemPool = new TxMempool(new FeeRate(1000), dateTimeProvider, new BlockPolicyEstimator(new FeeRate(1000), NodeSettings.Default(), new LoggerFactory()), new LoggerFactory());
var mempoolLock = new MempoolAsyncLock();
var coins = new InMemoryCoinView(settings.Network.GenesisHash);
var chain = new ConcurrentChain(Network.Main.GetGenesis().Header);
var mempoolPersistence = new MempoolPersistence(settings, new LoggerFactory());
NBitcoin.Network.Main.Consensus.Options = new PosConsensusOptions();
var consensusValidator = new PowConsensusValidator(NBitcoin.Network.Main);
var mempoolValidator = new MempoolValidator(txMemPool, mempoolLock, consensusValidator, dateTimeProvider, settings, chain, coins, new LoggerFactory());
var mempoolOrphans = new MempoolOrphans(mempoolLock, txMemPool, chain, new Bitcoin.Signals.Signals(), mempoolValidator, consensusValidator, coins, dateTimeProvider, settings, new LoggerFactory());
return(new MempoolManager(mempoolLock, txMemPool, mempoolValidator, mempoolOrphans, dateTimeProvider, settings, mempoolPersistence, new LoggerFactory()));
}
public void GetCheckPoint_CheckpointExists_PoSChain_ReturnsCheckpoint()
{
var checkpoints = new Checkpoints(KnownNetworks.StratisMain, new ConsensusSettings(NodeSettings.Default(KnownNetworks.StratisTest))
{
UseCheckpoints = true
});
CheckpointInfo result = checkpoints.GetCheckpoint(2);
Assert.Equal(new uint256("0xbca5936f638181e74a5f1e9999c95b0ce77da48c2688399e72bcc53a00c61eff"), result.Hash);
Assert.Equal(new uint256("0x7d61c139a471821caa6b7635a4636e90afcfe5e195040aecbc1ad7d24924db1e"), result.StakeModifierV2);
}
public void Given_GetMaximumSpendableAmountIsCalled_When_ThereAreNoTransactions_Then_MaxAmountReturnsAsZero()
{
DataFolder dataFolder = CreateDataFolder(this);
var walletManager = new WalletManager(this.LoggerFactory.Object, this.Network, new ConcurrentChain(this.Network), NodeSettings.Default(), new Mock <WalletSettings>().Object,
dataFolder, new Mock <IWalletFeePolicy>().Object, new Mock <IAsyncLoopFactory>().Object, new NodeLifetime(), DateTimeProvider.Default, this.scriptAddressReader);
var walletTransactionHandler = new WalletTransactionHandler(this.LoggerFactory.Object, walletManager, It.IsAny <WalletFeePolicy>(), this.Network, this.standardTransactionPolicy);
HdAccount account = WalletTestsHelpers.CreateAccount("account 1");
HdAddress accountAddress1 = WalletTestsHelpers.CreateAddress();
HdAddress accountAddress2 = WalletTestsHelpers.CreateAddress();
account.ExternalAddresses.Add(accountAddress1);
account.InternalAddresses.Add(accountAddress2);
Wallet wallet = WalletTestsHelpers.CreateWallet("wallet1");
wallet.AccountsRoot.Add(new AccountRoot()
{
Accounts = new List <HdAccount> {
account
}
});
walletManager.Wallets.Add(wallet);
(Money max, Money fee)result = walletTransactionHandler.GetMaximumSpendableAmount(new WalletAccountReference("wallet1", "account 1"), FeeType.Low, true);
Assert.Equal(Money.Zero, result.max);
Assert.Equal(Money.Zero, result.fee);
}
public void BuildTransactionFeeTooLowThrowsWalletException()
{
Assert.Throws <WalletException>(() =>
{
var walletFeePolicy = new Mock <IWalletFeePolicy>();
walletFeePolicy.Setup(w => w.GetFeeRate(FeeType.Low.ToConfirmations()))
.Returns(new FeeRate(0));
Wallet wallet = WalletTestsHelpers.GenerateBlankWallet("myWallet1", "password");
(ExtKey ExtKey, string ExtPubKey)accountKeys = WalletTestsHelpers.GenerateAccountKeys(wallet, "password", "m/44'/0'/0'");
(PubKey PubKey, BitcoinPubKeyAddress Address)spendingKeys = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "0/0");
(PubKey PubKey, BitcoinPubKeyAddress Address)destinationKeys = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "0/1");
(PubKey PubKey, BitcoinPubKeyAddress Address)changeKeys = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "1/0");
var address = new HdAddress
{
Index = 0,
HdPath = $"m/44'/0'/0'/0/0",
Address = spendingKeys.Address.ToString(),
Pubkey = spendingKeys.PubKey.ScriptPubKey,
ScriptPubKey = spendingKeys.Address.ScriptPubKey,
Transactions = new List <TransactionData>()
};
var chain = new ConcurrentChain(wallet.Network);
WalletTestsHelpers.AddBlocksWithCoinbaseToChain(wallet.Network, chain, address);
wallet.AccountsRoot.ElementAt(0).Accounts.Add(new HdAccount
{
Index = 0,
Name = "account1",
HdPath = "m/44'/0'/0'",
ExtendedPubKey = accountKeys.ExtPubKey,
ExternalAddresses = new List <HdAddress> {
address
},
InternalAddresses = new List <HdAddress>
{
new HdAddress {
Index = 0,
HdPath = $"m/44'/0'/0'/1/0",
Address = changeKeys.Address.ToString(),
Pubkey = changeKeys.PubKey.ScriptPubKey,
ScriptPubKey = changeKeys.Address.ScriptPubKey,
Transactions = new List <TransactionData>()
}
}
});
string dataDir = "TestData/WalletTransactionHandlerTest/BuildTransactionFeeTooLowThrowsWalletException";
var walletManager = new WalletManager(this.LoggerFactory.Object, this.Network, chain, NodeSettings.Default(), new Mock <WalletSettings>().Object,
new DataFolder(new NodeSettings(args: new string[] { $"-datadir={dataDir}" }).DataDir), walletFeePolicy.Object, new Mock <IAsyncLoopFactory>().Object, new NodeLifetime(), DateTimeProvider.Default, this.scriptAddressReader);
var walletTransactionHandler = new WalletTransactionHandler(this.LoggerFactory.Object, walletManager, walletFeePolicy.Object, this.Network, this.standardTransactionPolicy);
walletManager.Wallets.Add(wallet);
var walletReference = new WalletAccountReference
{
AccountName = "account1",
WalletName = "myWallet1"
};
walletTransactionHandler.BuildTransaction(CreateContext(this.Network, walletReference, "password", destinationKeys.PubKey.ScriptPubKey, new Money(7500), FeeType.Low, 0));
});
}
public void BuildTransactionNoSpendableTransactionsThrowsWalletException()
{
Assert.Throws <WalletException>(() =>
{
Wallet wallet = WalletTestsHelpers.GenerateBlankWallet("myWallet1", "password");
wallet.AccountsRoot.ElementAt(0).Accounts.Add(
new HdAccount
{
Name = "account1",
ExternalAddresses = new List <HdAddress>(),
InternalAddresses = new List <HdAddress>()
});
BlockHeader blockHeader = this.Network.Consensus.ConsensusFactory.CreateBlockHeader();
var chain = new ConcurrentChain(this.Network, new ChainedHeader(blockHeader, blockHeader.GetHash(), 1));
string dataDir = "TestData/WalletTransactionHandlerTest/BuildTransactionNoSpendableTransactionsThrowsWalletException";
var walletManager = new WalletManager(this.LoggerFactory.Object, this.Network, chain, NodeSettings.Default(), new Mock <WalletSettings>().Object,
new DataFolder(new NodeSettings(args: new string[] { $"-datadir={dataDir}" }).DataDir), new Mock <IWalletFeePolicy>().Object, new Mock <IAsyncLoopFactory>().Object, new NodeLifetime(), DateTimeProvider.Default, new ScriptAddressReader());
var walletTransactionHandler = new WalletTransactionHandler(this.LoggerFactory.Object, walletManager, new Mock <IWalletFeePolicy>().Object, this.Network, new StandardTransactionPolicy(this.Network));
walletManager.Wallets.Add(wallet);
var walletReference = new WalletAccountReference
{
AccountName = "account1",
WalletName = "myWallet1"
};
walletTransactionHandler.BuildTransaction(CreateContext(this.Network, walletReference, "password", new Script(), new Money(500), FeeType.Medium, 2));
});
}
public void Given_GetMaximumSpendableAmountIsCalled_When_ThereAreNoConfirmedSpendableFound_Then_MaxAmountReturnsAsTheSumOfUnconfirmedTxs()
{
DataFolder dataFolder = CreateDataFolder(this);
var walletFeePolicy = new Mock <IWalletFeePolicy>();
walletFeePolicy.Setup(w => w.GetFeeRate(FeeType.Low.ToConfirmations())).Returns(new FeeRate(20000));
var walletManager = new WalletManager(this.LoggerFactory.Object, this.Network, new ConcurrentChain(this.Network), NodeSettings.Default(), new Mock <WalletSettings>().Object,
dataFolder, new Mock <IWalletFeePolicy>().Object, new Mock <IAsyncLoopFactory>().Object, new NodeLifetime(), DateTimeProvider.Default, this.scriptAddressReader);
var walletTransactionHandler = new WalletTransactionHandler(this.LoggerFactory.Object, walletManager, walletFeePolicy.Object, this.Network, this.standardTransactionPolicy);
HdAccount account = WalletTestsHelpers.CreateAccount("account 1");
HdAddress accountAddress1 = WalletTestsHelpers.CreateAddress();
accountAddress1.Transactions.Add(WalletTestsHelpers.CreateTransaction(new uint256(1), new Money(15000), null, null, null, new Key().ScriptPubKey));
accountAddress1.Transactions.Add(WalletTestsHelpers.CreateTransaction(new uint256(2), new Money(10000), null, null, null, new Key().ScriptPubKey));
HdAddress accountAddress2 = WalletTestsHelpers.CreateAddress();
accountAddress2.Transactions.Add(WalletTestsHelpers.CreateTransaction(new uint256(3), new Money(20000), null, null, null, new Key().ScriptPubKey));
accountAddress2.Transactions.Add(WalletTestsHelpers.CreateTransaction(new uint256(4), new Money(120000), null, null, null, new Key().ScriptPubKey));
account.ExternalAddresses.Add(accountAddress1);
account.InternalAddresses.Add(accountAddress2);
Wallet wallet = WalletTestsHelpers.CreateWallet("wallet1");
wallet.AccountsRoot.Add(new AccountRoot()
{
Accounts = new List <HdAccount> {
account
}
});
walletManager.Wallets.Add(wallet);
(Money max, Money fee)result = walletTransactionHandler.GetMaximumSpendableAmount(new WalletAccountReference("wallet1", "account 1"), FeeType.Low, true);
Assert.Equal(new Money(165000), result.max + result.fee);
}
WalletAccountReference walletReference) SetupWallet()
{
DataFolder dataFolder = CreateDataFolder(this);
Wallet wallet = WalletTestsHelpers.GenerateBlankWallet("myWallet1", "password");
(ExtKey ExtKey, string ExtPubKey)accountKeys = WalletTestsHelpers.GenerateAccountKeys(wallet, "password", "m/44'/0'/0'");
(PubKey PubKey, BitcoinPubKeyAddress Address)spendingKeys = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "0/0");
(PubKey PubKey, BitcoinPubKeyAddress Address)destinationKeys = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "0/1");
var address = new HdAddress
{
Index = 0,
HdPath = $"m/44'/0'/0'/0/0",
Address = spendingKeys.Address.ToString(),
Pubkey = spendingKeys.PubKey.ScriptPubKey,
ScriptPubKey = spendingKeys.Address.ScriptPubKey,
Transactions = new List <TransactionData>()
};
var chain = new ConcurrentChain(wallet.Network);
WalletTestsHelpers.AddBlocksWithCoinbaseToChain(wallet.Network, chain, address);
TransactionData addressTransaction = address.Transactions.First();
wallet.AccountsRoot.ElementAt(0).Accounts.Add(new HdAccount
{
Index = 0,
Name = "account1",
HdPath = "m/44'/0'/0'",
ExtendedPubKey = accountKeys.ExtPubKey,
ExternalAddresses = new List <HdAddress> {
address
},
InternalAddresses = new List <HdAddress>()
});
var walletFeePolicy = new Mock <IWalletFeePolicy>();
walletFeePolicy.Setup(w => w.GetFeeRate(FeeType.Low.ToConfirmations()))
.Returns(new FeeRate(20000));
var walletManager = new WalletManager(this.LoggerFactory.Object, this.Network, chain, NodeSettings.Default(),
new Mock <WalletSettings>().Object, dataFolder,
walletFeePolicy.Object, new Mock <IAsyncLoopFactory>().Object, new NodeLifetime(), DateTimeProvider.Default, this.scriptAddressReader);
var walletTransactionHandler =
new WalletTransactionHandler(this.LoggerFactory.Object, walletManager, walletFeePolicy.Object, this.Network, this.standardTransactionPolicy);
walletManager.Wallets.Add(wallet);
var walletReference = new WalletAccountReference
{
AccountName = "account1",
WalletName = "myWallet1"
};
return(wallet, accountKeys, destinationKeys, addressTransaction, walletTransactionHandler, walletReference);
}
/// <summary>
/// Initializes an instance of the object from the default configuration.
/// </summary>
public MempoolSettings() : this(NodeSettings.Default())
{
}
public void Given_GetMaximumSpendableAmountIsCalledForConfirmedTransactions_When_ThereAreNoConfirmedSpendableFound_Then_MaxAmountReturnsAsZero()
{
DataFolder dataFolder = CreateDataFolder(this);
var walletManager = new WalletManager(this.LoggerFactory.Object, Network.Main, new ConcurrentChain(Network.Main), NodeSettings.Default(), new Mock <WalletSettings>().Object,
dataFolder, new Mock <IWalletFeePolicy>().Object, new Mock <IAsyncLoopFactory>().Object, new NodeLifetime(), DateTimeProvider.Default);
var walletTransactionHandler = new WalletTransactionHandler(this.LoggerFactory.Object, walletManager, It.IsAny <WalletFeePolicy>(), Network.Main);
HdAccount account = WalletTestsHelpers.CreateAccount("account 1");
HdAddress accountAddress1 = WalletTestsHelpers.CreateAddress();
accountAddress1.Transactions.Add(WalletTestsHelpers.CreateTransaction(new uint256(1), new Money(15000), null));
accountAddress1.Transactions.Add(WalletTestsHelpers.CreateTransaction(new uint256(2), new Money(10000), null));
HdAddress accountAddress2 = WalletTestsHelpers.CreateAddress();
accountAddress2.Transactions.Add(WalletTestsHelpers.CreateTransaction(new uint256(3), new Money(20000), null));
accountAddress2.Transactions.Add(WalletTestsHelpers.CreateTransaction(new uint256(4), new Money(120000), null));
account.ExternalAddresses.Add(accountAddress1);
account.InternalAddresses.Add(accountAddress2);
Wallet wallet = WalletTestsHelpers.CreateWallet("wallet1");
wallet.AccountsRoot.Add(new AccountRoot()
{
Accounts = new List <HdAccount> {
account
}
});
walletManager.Wallets.Add(wallet);
(Money max, Money fee)result = walletTransactionHandler.GetMaximumSpendableAmount(new WalletAccountReference("wallet1", "account 1"), FeeType.Low, false);
Assert.Equal(Money.Zero, result.max);
Assert.Equal(Money.Zero, result.fee);
}
public void MempoolAncestorIndexingTest()
{
var settings = NodeSettings.Default();
var pool = new TxMempool(DateTimeProvider.Default, new BlockPolicyEstimator(new MempoolSettings(settings), settings.LoggerFactory, settings), settings.LoggerFactory, settings);
var entry = new TestMemPoolEntryHelper();
/* 3rd highest fee */
Transaction tx1 = new Transaction();
tx1.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx1.GetHash(), entry.Fee(new Money(10000L)).Priority(10.0).FromTx(tx1));
/* highest fee */
Transaction tx2 = new Transaction();
tx2.AddOutput(new TxOut(new Money(2 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx2.GetHash(), entry.Fee(new Money(20000L)).Priority(9.0).FromTx(tx2));
var tx2Size = tx2.GetVirtualSize();
/* lowest fee */
Transaction tx3 = new Transaction();
tx3.AddOutput(new TxOut(new Money(5 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx3.GetHash(), entry.Fee(new Money(0L)).Priority(100.0).FromTx(tx3));
/* 2nd highest fee */
Transaction tx4 = new Transaction();
tx4.AddOutput(new TxOut(new Money(6 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx4.GetHash(), entry.Fee(new Money(15000L)).Priority(1.0).FromTx(tx4));
/* equal fee rate to tx1, but newer */
Transaction tx5 = new Transaction();
tx5.AddOutput(new TxOut(new Money(11 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx5.GetHash(), entry.Fee(new Money(10000L)).Priority(1.0).FromTx(tx5));
// assert size
Assert.Equal(5, pool.Size);
List <string> sortedOrder = new List <string>(5);
sortedOrder.Insert(0, tx2.GetHash().ToString()); // 20000
sortedOrder.Insert(1, tx4.GetHash().ToString()); // 15000
// tx1 and tx5 are both 10000
// Ties are broken by hash, not timestamp, so determine which
// hash comes first.
if (tx1.GetHash() < tx5.GetHash())
{
sortedOrder.Insert(2, tx1.GetHash().ToString());
sortedOrder.Insert(3, tx5.GetHash().ToString());
}
else
{
sortedOrder.Insert(2, tx5.GetHash().ToString());
sortedOrder.Insert(3, tx1.GetHash().ToString());
}
sortedOrder.Insert(4, tx3.GetHash().ToString()); // 0
this.CheckSort(pool, pool.MapTx.AncestorScore.ToList(), sortedOrder);
/* low fee parent with high fee child */
/* tx6 (0) -> tx7 (high) */
Transaction tx6 = new Transaction();
tx6.AddOutput(new TxOut(new Money(20 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx6.GetHash(), entry.Fee(new Money(0L)).FromTx(tx6));
var tx6Size = tx6.GetVirtualSize();
Assert.Equal(6, pool.Size);
// Ties are broken by hash
if (tx3.GetHash() < tx6.GetHash())
{
sortedOrder.Add(tx6.GetHash().ToString());
}
else
{
sortedOrder.Insert(sortedOrder.Count - 1, tx6.GetHash().ToString());
}
this.CheckSort(pool, pool.MapTx.AncestorScore.ToList(), sortedOrder);
Transaction tx7 = new Transaction();
tx7.AddInput(new TxIn(new OutPoint(tx6.GetHash(), 0), new Script(OpcodeType.OP_11)));
tx7.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
var tx7Size = tx7.GetVirtualSize();
Money fee = (20000 / tx2Size) * (tx7Size + tx6Size) - 1;
pool.AddUnchecked(tx7.GetHash(), entry.Fee(fee).FromTx(tx7));
Assert.Equal(7, pool.Size);
sortedOrder.Insert(1, tx7.GetHash().ToString());
this.CheckSort(pool, pool.MapTx.AncestorScore.ToList(), sortedOrder);
/* after tx6 is mined, tx7 should move up in the sort */
List <Transaction> vtx = new List <Transaction>(new[] { tx6 });
pool.RemoveForBlock(vtx, 1);
sortedOrder.RemoveAt(1);
// Ties are broken by hash
if (tx3.GetHash() < tx6.GetHash())
{
sortedOrder.Remove(sortedOrder.Last());
}
else
{
sortedOrder.RemoveAt(sortedOrder.Count - 2);
}
sortedOrder.Insert(0, tx7.GetHash().ToString());
this.CheckSort(pool, pool.MapTx.AncestorScore.ToList(), sortedOrder);
}
public static PowBlockDefinition AssemblerForTest(TestContext testContext)
{
return(new PowBlockDefinition(testContext.consensus, testContext.DateTimeProvider, new LoggerFactory(), testContext.mempool, testContext.mempoolLock, new MinerSettings(NodeSettings.Default(testContext.network)), testContext.network, testContext.ConsensusRules, new NodeDeployments(testContext.network, testContext.ChainIndexer)));
}
public void MempoolSizeLimitTest()
{
var settings = NodeSettings.Default();
var dateTimeSet = new DateTimeProviderSet();
var pool = new TxMempool(dateTimeSet, new BlockPolicyEstimator(new MempoolSettings(settings), settings.LoggerFactory, settings), settings.LoggerFactory, settings);
var entry = new TestMemPoolEntryHelper();
entry.Priority(10.0);
Transaction tx1 = new Transaction();
tx1.AddInput(new TxIn(new Script(OpcodeType.OP_1)));
tx1.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_1, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx1.GetHash(), entry.Fee(10000L).FromTx(tx1, pool));
Transaction tx2 = new Transaction();
tx2.AddInput(new TxIn(new Script(OpcodeType.OP_2)));
tx2.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_2, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx2.GetHash(), entry.Fee(5000L).FromTx(tx2, pool));
pool.TrimToSize(pool.DynamicMemoryUsage()); // should do nothing
Assert.True(pool.Exists(tx1.GetHash()));
Assert.True(pool.Exists(tx2.GetHash()));
pool.TrimToSize(pool.DynamicMemoryUsage() * 3 / 4); // should remove the lower-feerate transaction
Assert.True(pool.Exists(tx1.GetHash()));
Assert.True(!pool.Exists(tx2.GetHash()));
pool.AddUnchecked(tx2.GetHash(), entry.FromTx(tx2, pool));
Transaction tx3 = new Transaction();
tx3.AddInput(new TxIn(new OutPoint(tx2.GetHash(), 0), new Script(OpcodeType.OP_2)));
tx3.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_3, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx3.GetHash(), entry.Fee(20000L).FromTx(tx3, pool));
pool.TrimToSize(pool.DynamicMemoryUsage() * 3 / 4); // tx3 should pay for tx2 (CPFP)
Assert.True(!pool.Exists(tx1.GetHash()));
Assert.True(pool.Exists(tx2.GetHash()));
Assert.True(pool.Exists(tx3.GetHash()));
pool.TrimToSize(tx1.GetVirtualSize()); // mempool is limited to tx1's size in memory usage, so nothing fits
Assert.True(!pool.Exists(tx1.GetHash()));
Assert.True(!pool.Exists(tx2.GetHash()));
Assert.True(!pool.Exists(tx3.GetHash()));
FeeRate maxFeeRateRemoved = new FeeRate(25000, tx3.GetVirtualSize() + tx2.GetVirtualSize());
Assert.Equal(pool.GetMinFee(1).FeePerK, maxFeeRateRemoved.FeePerK + 1000);
Transaction tx4 = new Transaction();
tx4.AddInput(new TxIn(new Script(OpcodeType.OP_4)));
tx4.AddInput(new TxIn(new Script(OpcodeType.OP_4)));
tx4.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_4, OpcodeType.OP_EQUAL)));
tx4.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_4, OpcodeType.OP_EQUAL)));
Transaction tx5 = new Transaction();
tx5.AddInput(new TxIn(new OutPoint(tx4.GetHash(), 0), new Script(OpcodeType.OP_4)));
tx5.AddInput(new TxIn(new Script(OpcodeType.OP_5)));
tx5.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_5, OpcodeType.OP_EQUAL)));
tx5.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_5, OpcodeType.OP_EQUAL)));
Transaction tx6 = new Transaction();
tx6.AddInput(new TxIn(new OutPoint(tx4.GetHash(), 0), new Script(OpcodeType.OP_4)));
tx6.AddInput(new TxIn(new Script(OpcodeType.OP_6)));
tx6.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_6, OpcodeType.OP_EQUAL)));
tx6.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_6, OpcodeType.OP_EQUAL)));
Transaction tx7 = new Transaction();
tx7.AddInput(new TxIn(new OutPoint(tx5.GetHash(), 0), new Script(OpcodeType.OP_5)));
tx7.AddInput(new TxIn(new OutPoint(tx6.GetHash(), 0), new Script(OpcodeType.OP_6)));
tx7.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_7, OpcodeType.OP_EQUAL)));
tx7.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_7, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx4.GetHash(), entry.Fee(7000L).FromTx(tx4, pool));
pool.AddUnchecked(tx5.GetHash(), entry.Fee(1000L).FromTx(tx5, pool));
pool.AddUnchecked(tx6.GetHash(), entry.Fee(1100L).FromTx(tx6, pool));
pool.AddUnchecked(tx7.GetHash(), entry.Fee(9000L).FromTx(tx7, pool));
// we only require this remove, at max, 2 txn, because its not clear what we're really optimizing for aside from that
pool.TrimToSize(pool.DynamicMemoryUsage() - 1);
Assert.True(pool.Exists(tx4.GetHash()));
Assert.True(pool.Exists(tx6.GetHash()));
Assert.True(!pool.Exists(tx7.GetHash()));
if (!pool.Exists(tx5.GetHash()))
{
pool.AddUnchecked(tx5.GetHash(), entry.Fee(1000L).FromTx(tx5, pool));
}
pool.AddUnchecked(tx7.GetHash(), entry.Fee(9000L).FromTx(tx7, pool));
pool.TrimToSize(pool.DynamicMemoryUsage() / 2); // should maximize mempool size by only removing 5/7
Assert.True(pool.Exists(tx4.GetHash()));
Assert.True(!pool.Exists(tx5.GetHash()));
Assert.True(pool.Exists(tx6.GetHash()));
Assert.True(!pool.Exists(tx7.GetHash()));
pool.AddUnchecked(tx5.GetHash(), entry.Fee(1000L).FromTx(tx5, pool));
pool.AddUnchecked(tx7.GetHash(), entry.Fee(9000L).FromTx(tx7, pool));
List <Transaction> vtx = new List <Transaction>();
dateTimeSet.time = 42 + TxMempool.RollingFeeHalflife;
Assert.Equal(pool.GetMinFee(1).FeePerK.Satoshi, maxFeeRateRemoved.FeePerK.Satoshi + 1000);
// ... we should keep the same min fee until we get a block
pool.RemoveForBlock(vtx, 1);
dateTimeSet.time = 42 + 2 * +TxMempool.RollingFeeHalflife;
Assert.Equal(pool.GetMinFee(1).FeePerK.Satoshi, (maxFeeRateRemoved.FeePerK.Satoshi + 1000) / 2);
// ... then feerate should drop 1/2 each halflife
dateTimeSet.time = 42 + 2 * TxMempool.RollingFeeHalflife + TxMempool.RollingFeeHalflife / 2;
Assert.Equal(pool.GetMinFee(pool.DynamicMemoryUsage() * 5 / 2).FeePerK.Satoshi, (maxFeeRateRemoved.FeePerK.Satoshi + 1000) / 4);
// ... with a 1/2 halflife when mempool is < 1/2 its target size
dateTimeSet.time = 42 + 2 * TxMempool.RollingFeeHalflife + TxMempool.RollingFeeHalflife / 2 + TxMempool.RollingFeeHalflife / 4;
Assert.Equal(pool.GetMinFee(pool.DynamicMemoryUsage() * 9 / 2).FeePerK.Satoshi, (maxFeeRateRemoved.FeePerK.Satoshi + 1000) / 8);
// ... with a 1/4 halflife when mempool is < 1/4 its target size
dateTimeSet.time = 42 + 7 * TxMempool.RollingFeeHalflife + TxMempool.RollingFeeHalflife / 2 + TxMempool.RollingFeeHalflife / 4;
Assert.Equal(1000, pool.GetMinFee(1).FeePerK.Satoshi);
// ... but feerate should never drop below 1000
dateTimeSet.time = 42 + 8 * TxMempool.RollingFeeHalflife + TxMempool.RollingFeeHalflife / 2 + TxMempool.RollingFeeHalflife / 4;
Assert.Equal(0, pool.GetMinFee(1).FeePerK);
// ... unless it has gone all the way to 0 (after getting past 1000/2)
}
public void EnsureTimestampIsNotTooNew()
{
long timestamp = new DateTimeProvider().GetUtcNow().ToUnixTimestamp() / this.consensusOptions.TargetSpacingSeconds * this.consensusOptions.TargetSpacingSeconds;
DateTime time = DateTimeOffset.FromUnixTimeSeconds(timestamp).DateTime;
// Pretend we receive the next block right on its timestamp
var provider = new Mock <IDateTimeProvider>();
provider.Setup(x => x.GetAdjustedTime()).Returns(time + TimeSpan.FromSeconds(this.consensusOptions.TargetSpacingSeconds));
this.rulesEngine = new PoAConsensusRuleEngine(this.network, this.loggerFactory, provider.Object, this.ChainIndexer, new NodeDeployments(this.network, this.ChainIndexer),
this.consensusSettings, new Checkpoints(this.network, this.consensusSettings), new Mock <ICoinView>().Object, new ChainState(), new InvalidBlockHashStore(provider.Object),
new NodeStats(provider.Object, NodeSettings.Default(this.network), new Mock <IVersionProvider>().Object), this.slotsManager, this.poaHeaderValidator, this.votingManager, this.federationManager, this.asyncProvider,
new ConsensusRulesContainer(), null);
this.timeChecksRule.Parent = this.rulesEngine;
this.timeChecksRule.Initialize();
var validationContext = new ValidationContext()
{
ChainedHeaderToValidate = this.currentHeader
};
var ruleContext = new RuleContext(validationContext, time);
ChainedHeader prevHeader = this.currentHeader.Previous;
prevHeader.Header.BlockTime = time;
// There is no "valid future offset" as the time is restricted to be accurate within 1 target spacing.
this.currentHeader.Header.BlockTime = prevHeader.Header.BlockTime + TimeSpan.FromSeconds(this.consensusOptions.TargetSpacingSeconds);
this.timeChecksRule.Run(ruleContext);
// Send a block too far into the future, more than a targetspacing away
this.currentHeader.Header.BlockTime = this.currentHeader.Header.BlockTime + TimeSpan.FromSeconds(this.consensusOptions.TargetSpacingSeconds);
Assert.Throws <ConsensusErrorException>(() => this.timeChecksRule.Run(ruleContext));
try
{
this.timeChecksRule.Run(ruleContext);
}
catch (ConsensusErrorException exception)
{
Assert.Equal(ConsensusErrors.TimeTooNew, exception.ConsensusError);
}
}
public void WhiteListedEndpoint_CanBeMappedAndRoutedTo_OtherNode()
{
IPEndPoint endpointA = null;
IPEndPoint endpointB = null;
IPEndPoint endpointOut = null;
var connectionManagerSettings = new ConnectionManagerSettings(NodeSettings.Default(this.Network));
var networkEndpoints = connectionManagerSettings.Bind.Select(x => x.Endpoint).ToList();
// IPV4: 127.0.0.1:16178 != 0.0.0.0:16178 (both are considered local endpoints)
endpointA = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 16178);
endpointB = new IPEndPoint(IPAddress.Parse("0.0.0.0"), 16178);
networkEndpoints = new List <IPEndPoint>()
{
endpointB
};
connectionManagerSettings.Port = 16178;
Assert.False(endpointA.CanBeMappedTo(networkEndpoints, out endpointOut));
// IPV6: [::1]:16178 != [::]:16178
endpointA = new IPEndPoint(IPAddress.Parse("[::1]"), 16178);
endpointB = new IPEndPoint(IPAddress.Parse("[::]"), 16178);
networkEndpoints = new List <IPEndPoint>()
{
endpointB
};
connectionManagerSettings.Port = 16178;
Assert.False(endpointA.CanBeMappedTo(networkEndpoints, out endpointOut));
// 127.0.0.1:16178 != 0.0.0.0:44556
endpointA = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 16178);
endpointB = new IPEndPoint(IPAddress.Parse("0.0.0.0"), 44556);
networkEndpoints = new List <IPEndPoint>()
{
endpointB
};
connectionManagerSettings.Port = 44556;
Assert.False(endpointA.CanBeMappedTo(networkEndpoints, out endpointOut));
// 0.0.0.0:16178 == 127.0.0.1:16178
endpointA = new IPEndPoint(IPAddress.Parse("0.0.0.0"), 16178);
endpointB = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 16178);
networkEndpoints = new List <IPEndPoint>()
{
endpointB
};
connectionManagerSettings.Port = 16178;
Assert.True(endpointA.CanBeMappedTo(networkEndpoints, out endpointOut));
// IPV4: 0.0.0.0:16178 == 127.0.0.2:16178
endpointA = new IPEndPoint(IPAddress.Parse("0.0.0.0"), 16178);
endpointB = new IPEndPoint(IPAddress.Parse("127.0.0.2"), 16178);
connectionManagerSettings.Port = 16178;
networkEndpoints = new List <IPEndPoint>()
{
endpointB
};
Assert.True(endpointA.CanBeMappedTo(networkEndpoints, out endpointOut));
// IPV6: [::]:16178 == [::1]:16178
endpointA = new IPEndPoint(IPAddress.Parse("[::]"), 16178);
endpointB = new IPEndPoint(IPAddress.Parse("[::1]"), 16178);
connectionManagerSettings.Port = 16178;
networkEndpoints = new List <IPEndPoint>()
{
endpointB
};
Assert.True(endpointA.CanBeMappedTo(networkEndpoints, out endpointOut));
// IPV4: 0.0.0.0:16178 == 127.0.0.2:999
endpointA = new IPEndPoint(IPAddress.Parse("0.0.0.0"), 16178);
endpointB = new IPEndPoint(IPAddress.Parse("127.0.0.2"), 999);
networkEndpoints = new List <IPEndPoint>()
{
endpointB
};
connectionManagerSettings.Port = 999;
Assert.False(endpointA.CanBeMappedTo(networkEndpoints, out endpointOut));
// IPV6: [::]:16178 != [::2]:999
endpointA = new IPEndPoint(IPAddress.Parse("[::]"), 16178);
endpointB = new IPEndPoint(IPAddress.Parse("[::2]"), 999);
connectionManagerSettings.Port = 999;
networkEndpoints = new List <IPEndPoint>()
{
endpointB
};
Assert.False(endpointA.CanBeMappedTo(networkEndpoints, out endpointOut));
// IPV6: [::1] != [fe80::d111:a4c4:ce4:2bc7%21] (Localhost -> Network address).
endpointA = new IPEndPoint(IPAddress.Parse("[::1]"), 16178);
endpointB = new IPEndPoint(IPAddress.Parse("[fe80::d111:a4c4:ce4:2bc7%21]"), 16178);
connectionManagerSettings.Port = 16178;
networkEndpoints = new List <IPEndPoint>()
{
endpointB
};
Assert.False(endpointA.CanBeMappedTo(networkEndpoints, out endpointOut));
// 10.0.0.1:16178 != 192.168.1.1:16178 (Bound to any but whitelisting local).
endpointA = new IPEndPoint(IPAddress.Parse("192.168.1.1"), 16178);
endpointB = new IPEndPoint(IPAddress.Parse("10.0.0.1"), 16178);
networkEndpoints = new List <IPEndPoint>()
{
endpointB
};
connectionManagerSettings.Port = 16178;
Assert.False(endpointA.CanBeMappedTo(networkEndpoints, out endpointOut));
// Using whitebind = 0.0.0.0:16178 and connecting from local or remote IP address on port 16178 should be whitebinded.
endpointA = new IPEndPoint(IPAddress.Parse("0.0.0.0"), 16178);
endpointB = new IPEndPoint(IPAddress.Parse("10.0.0.1"), 16178);
Assert.True(endpointA.CanBeMappedTo(networkEndpoints, out endpointOut));
// Using whitebind = 100.64.1.1:16178 and connecting from local or remote IP address(other than 100.64.1.1) on port 16178 should not be whitebinded.
endpointA = new IPEndPoint(IPAddress.Parse("100.64.1.1"), 16178);
endpointB = new IPEndPoint(IPAddress.Parse("100.64.1.2"), 16178);
Assert.False(endpointA.CanBeMappedTo(networkEndpoints, out endpointOut));
// Using whitebind = 0.0.0.0:16178 and connecting from local or remote IP address on port other than 16178 should be not whitebinded.
endpointA = new IPEndPoint(IPAddress.Parse("0.0.0.0"), 16178);
endpointB = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 16179);
Assert.True(endpointA.CanBeMappedTo(networkEndpoints, out endpointOut));
}
public void BlockPolicyEstimates()
{
var dateTimeSet = new DateTimeProviderSet();
NodeSettings settings = NodeSettings.Default();
var mpool = new TxMempool(DateTimeProvider.Default,
new BlockPolicyEstimator(new MempoolSettings(settings), settings.LoggerFactory, settings), settings.LoggerFactory, settings);
var entry = new TestMemPoolEntryHelper();
var basefee = new Money(2000);
var deltaFee = new Money(100);
var feeV = new List <Money>();
// Populate vectors of increasing fees
for (int j = 0; j < 10; j++)
{
feeV.Add(basefee * (j + 1));
}
// Store the hashes of transactions that have been
// added to the mempool by their associate fee
// txHashes[j] is populated with transactions either of
// fee = basefee * (j+1)
var txHashes = new List <uint256> [10];
for (int i = 0; i < txHashes.Length; i++)
{
txHashes[i] = new List <uint256>();
}
// Create a transaction template
var garbage = new Script(Enumerable.Range(0, 128).Select(i => (byte)1).ToArray());
var txf = new Transaction();
txf.AddInput(new TxIn(garbage));
txf.AddOutput(new TxOut(0L, Script.Empty));
var baseRate = new FeeRate(basefee, txf.GetVirtualSize());
// Create a fake block
var block = new List <Transaction>();
int blocknum = 0;
int answerFound;
// Loop through 200 blocks
// At a decay .998 and 4 fee transactions per block
// This makes the tx count about 1.33 per bucket, above the 1 threshold
while (blocknum < 200)
{
for (int j = 0; j < 10; j++)
{ // For each fee
for (int k = 0; k < 4; k++)
{ // add 4 fee txs
Transaction tx = txf.Clone(false, Network.Main);
tx.Inputs[0].PrevOut.N = (uint)(10000 * blocknum + 100 * j + k); // make transaction unique
uint256 hash = tx.GetHash();
mpool.AddUnchecked(hash, entry.Fee(feeV[j]).Time(dateTimeSet.GetTime()).Priority(0).Height(blocknum).FromTx(tx, mpool));
txHashes[j].Add(hash);
}
}
//Create blocks where higher fee txs are included more often
for (int h = 0; h <= blocknum % 10; h++)
{
// 10/10 blocks add highest fee transactions
// 9/10 blocks add 2nd highest and so on until ...
// 1/10 blocks add lowest fee transactions
while (txHashes[9 - h].Count > 0)
{
Transaction ptx = mpool.Get(txHashes[9 - h].Last());
if (ptx != null)
{
block.Add(ptx);
}
txHashes[9 - h].Remove(txHashes[9 - h].Last());
}
}
mpool.RemoveForBlock(block, ++blocknum);
block.Clear();
if (blocknum == 30)
{
// At this point we should need to combine 5 buckets to get enough data points
// So estimateFee(1,2,3) should fail and estimateFee(4) should return somewhere around
// 8*baserate. estimateFee(4) %'s are 100,100,100,100,90 = average 98%
Assert.True(mpool.EstimateFee(1) == new FeeRate(0));
Assert.True(mpool.EstimateFee(2) == new FeeRate(0));
Assert.True(mpool.EstimateFee(3) == new FeeRate(0));
Assert.True(mpool.EstimateFee(4).FeePerK < 8 * baseRate.FeePerK + deltaFee);
Assert.True(mpool.EstimateFee(4).FeePerK > 8 * baseRate.FeePerK - deltaFee);
Assert.True(mpool.EstimateSmartFee(1, out answerFound) == mpool.EstimateFee(4) && answerFound == 4);
Assert.True(mpool.EstimateSmartFee(3, out answerFound) == mpool.EstimateFee(4) && answerFound == 4);
Assert.True(mpool.EstimateSmartFee(4, out answerFound) == mpool.EstimateFee(4) && answerFound == 4);
Assert.True(mpool.EstimateSmartFee(8, out answerFound) == mpool.EstimateFee(8) && answerFound == 8);
}
}
var origFeeEst = new List <Money>();
// Highest feerate is 10*baseRate and gets in all blocks,
// second highest feerate is 9*baseRate and gets in 9/10 blocks = 90%,
// third highest feerate is 8*base rate, and gets in 8/10 blocks = 80%,
// so estimateFee(1) would return 10*baseRate but is hardcoded to return failure
// Second highest feerate has 100% chance of being included by 2 blocks,
// so estimateFee(2) should return 9*baseRate etc...
for (int i = 1; i < 10; i++)
{
origFeeEst.Add(mpool.EstimateFee(i).FeePerK);
if (i > 2)
{ // Fee estimates should be monotonically decreasing
Assert.True(origFeeEst[i - 1] <= origFeeEst[i - 2]);
}
int mult = 11 - i;
if (i > 1)
{
Assert.True(origFeeEst[i - 1] < mult * baseRate.FeePerK + deltaFee);
Assert.True(origFeeEst[i - 1] > mult * baseRate.FeePerK - deltaFee);
}
else
{
Assert.True(origFeeEst[i - 1] == new FeeRate(0).FeePerK);
}
}
// Mine 50 more blocks with no transactions happening, estimates shouldn't change
// We haven't decayed the moving average enough so we still have enough data points in every bucket
while (blocknum < 250)
{
mpool.RemoveForBlock(block, ++blocknum);
}
Assert.True(mpool.EstimateFee(1) == new FeeRate(0));
for (int i = 2; i < 10; i++)
{
Assert.True(mpool.EstimateFee(i).FeePerK < origFeeEst[i - 1] + deltaFee);
Assert.True(mpool.EstimateFee(i).FeePerK > origFeeEst[i - 1] - deltaFee);
}
// Mine 15 more blocks with lots of transactions happening and not getting mined
// Estimates should go up
while (blocknum < 265)
{
for (int j = 0; j < 10; j++)
{ // For each fee multiple
for (int k = 0; k < 4; k++)
{ // add 4 fee txs
Transaction tx = txf.Clone(false, Network.Main);
tx.Inputs[0].PrevOut.N = (uint)(10000 * blocknum + 100 * j + k);
uint256 hash = tx.GetHash();
mpool.AddUnchecked(hash, entry.Fee(feeV[j]).Time(dateTimeSet.GetTime()).Priority(0).Height(blocknum).FromTx(tx, mpool));
txHashes[j].Add(hash);
}
}
mpool.RemoveForBlock(block, ++blocknum);
}
for (int i = 1; i < 10; i++)
{
Assert.True(mpool.EstimateFee(i) == new FeeRate(0) || mpool.EstimateFee(i).FeePerK > origFeeEst[i - 1] - deltaFee);
Assert.True(mpool.EstimateSmartFee(i, out answerFound).FeePerK > origFeeEst[answerFound - 1] - deltaFee);
}
// Mine all those transactions
// Estimates should still not be below original
for (int j = 0; j < 10; j++)
{
while (txHashes[j].Count > 0)
{
Transaction ptx = mpool.Get(txHashes[j].Last());
if (ptx != null)
{
block.Add(ptx);
}
txHashes[j].Remove(txHashes[j].Last());
}
}
mpool.RemoveForBlock(block, 265);
block.Clear();
Assert.True(mpool.EstimateFee(1) == new FeeRate(0));
for (int i = 2; i < 10; i++)
{
Assert.True(mpool.EstimateFee(i).FeePerK > origFeeEst[i - 1] - deltaFee);
}
// Mine 200 more blocks where everything is mined every block
// Estimates should be below original estimates
while (blocknum < 465)
{
for (int j = 0; j < 10; j++)
{ // For each fee multiple
for (int k = 0; k < 4; k++)
{ // add 4 fee txs
Transaction tx = txf.Clone(false, Network.Main);
tx.Inputs[0].PrevOut.N = (uint)(10000 * blocknum + 100 * j + k);
uint256 hash = tx.GetHash();
mpool.AddUnchecked(hash, entry.Fee(feeV[j]).Time(dateTimeSet.GetTime()).Priority(0).Height(blocknum).FromTx(tx, mpool));
Transaction ptx = mpool.Get(hash);
if (ptx != null)
{
block.Add(ptx);
}
}
}
mpool.RemoveForBlock(block, ++blocknum);
block.Clear();
}
Assert.True(mpool.EstimateFee(1) == new FeeRate(0));
for (int i = 2; i < 10; i++)
{
Assert.True(mpool.EstimateFee(i).FeePerK < origFeeEst[i - 1] - deltaFee);
}
// Test that if the mempool is limited, estimateSmartFee won't return a value below the mempool min fee
// and that estimateSmartPriority returns essentially an infinite value
mpool.AddUnchecked(txf.GetHash(), entry.Fee(feeV[5]).Time(dateTimeSet.GetTime()).Priority(0).Height(blocknum).FromTx(txf, mpool));
// evict that transaction which should set a mempool min fee of minRelayTxFee + feeV[5]
mpool.TrimToSize(1);
Assert.True(mpool.GetMinFee(1).FeePerK > feeV[5]);
for (int i = 1; i < 10; i++)
{
Assert.True(mpool.EstimateSmartFee(i, out answerFound).FeePerK >= mpool.EstimateFee(i).FeePerK);
Assert.True(mpool.EstimateSmartFee(i, out answerFound).FeePerK >= mpool.GetMinFee(1).FeePerK);
Assert.True(mpool.EstimateSmartPriority(i, out answerFound) == BlockPolicyEstimator.InfPriority);
}
}
public void VerifyCheckpoints_BitcoinTestnet()
{
var verifyableCheckpoints = new Dictionary <int, CheckpointInfo>
{
{ 546, new CheckpointInfo(new uint256("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70")) },
{ 1210000, new CheckpointInfo(new uint256("00000000461201277cf8c635fc10d042d6f0a7eaa57f6c9e8c099b9e0dbc46dc")) },
};
var checkpoints = new Checkpoints(KnownNetworks.TestNet, new ConsensusSettings(NodeSettings.Default(this.network))
{
UseCheckpoints = true
});
VerifyCheckpoints(checkpoints, verifyableCheckpoints);
}
/// <summary>
/// Initializes an instance of the object from the default node configuration.
/// </summary>
public RpcSettings() : this(NodeSettings.Default())
{
}
public void VerifyCheckpoints_StratisTestnet()
{
var verifyableCheckpoints = new Dictionary <int, CheckpointInfo>
{
{ 0, new CheckpointInfo(new uint256("0x00000e246d7b73b88c9ab55f2e5e94d9e22d471def3df5ea448f5576b1d156b9"), new uint256("0x0000000000000000000000000000000000000000000000000000000000000000")) },
{ 2, new CheckpointInfo(new uint256("0x56959b1c8498631fb0ca5fe7bd83319dccdc6ac003dccb3171f39f553ecfa2f2"), new uint256("0x13f4c27ca813aefe2d9018077f8efeb3766796b9144fcc4cd51803bf4376ab02")) },
{ 50000, new CheckpointInfo(new uint256("0xb42c18eacf8fb5ed94eac31943bd364451d88da0fd44cc49616ffea34d530ad4"), new uint256("0x824934ddc5f935e854ac59ae7f5ed25f2d29a7c3914cac851f3eddb4baf96d78")) },
{ 100000, new CheckpointInfo(new uint256("0xf9e2f7561ee4b92d3bde400d251363a0e8924204c326da7f4ad9ccc8863aad79"), new uint256("0xdef8d92d20becc71f662ee1c32252aca129f1bf4744026b116d45d9bfe67e9fb")) },
{ 150000, new CheckpointInfo(new uint256("0x08b7c20a450252ddf9ce41dbeb92ecf54932beac9090dc8250e933ad3a175381"), new uint256("0xf05dad15f733ae0acbd34adc449be9429099dbee5fa9ecd8e524cf28e9153adb")) },
{ 200000, new CheckpointInfo(new uint256("0x8609cc873222a0573615788dc32e377b88bfd6a0015791f627d969ee3a415115"), new uint256("0xfa28c1f20a8162d133607c6a1c8997833befac3efd9076567258a7683ac181fa")) },
{ 250000, new CheckpointInfo(new uint256("0xdd664e15ac679a6f3b96a7176303956661998174a697ad8231f154f1e32ff4a3"), new uint256("0x19fc0fa29418f8b19cbb6557c1c79dfd0eff6779c0eaaec5d245c5cdf3c96d78")) },
{ 300000, new CheckpointInfo(new uint256("0x2409eb5ae72c80d5b37c77903d75a8e742a33843ab633935ce6e5264db962e23"), new uint256("0xf5ec7af55516b8e264ed280e9a5dba0180a4a9d3713351bfea275b18f3f1514e")) },
{ 350000, new CheckpointInfo(new uint256("0x36811041e9060f4b4c26dc20e0850dca5efaabb60618e3456992e9c0b1b2120e"), new uint256("0xbfda55ef0756bcee8485e15527a2b8ca27ca877aa09c88e363ef8d3253cdfd1c")) },
{ 400000, new CheckpointInfo(new uint256("0xb6abcb933d3e3590345ca5d3abb697461093313f8886568ac8ae740d223e56f6"), new uint256("0xfaf5fcebee3ec0df5155393a99da43de18b12e620fef5edb111a791ecbfaa63a")) }
};
var checkpoints = new Checkpoints(KnownNetworks.StratisTest, new ConsensusSettings(NodeSettings.Default(KnownNetworks.StratisTest))
{
UseCheckpoints = true
});
VerifyCheckpoints(checkpoints, verifyableCheckpoints);
}
/// <summary>
/// Makes the full node builder use the default node settings.
/// </summary>
/// <param name="builder">Full node builder to change node settings for.</param>
/// <returns>Interface to allow fluent code.</returns>
public static IFullNodeBuilder UseDefaultNodeSettings(this IFullNodeBuilder builder)
{
return(builder.UseNodeSettings(NodeSettings.Default(builder.Network)));
}
public void GetLastCheckPointHeight_StratisTestnet_ReturnsLastCheckPointHeight()
{
var checkpoints = new Checkpoints(KnownNetworks.StratisTest, new ConsensusSettings(NodeSettings.Default(KnownNetworks.StratisTest))
{
UseCheckpoints = true
});
int result = checkpoints.GetLastCheckpointHeight();
Assert.Equal(1150000, result);
}
public void MempoolIndexingTest()
{
var settings = NodeSettings.Default();
var pool = new TxMempool(DateTimeProvider.Default, new BlockPolicyEstimator(new MempoolSettings(settings), settings.LoggerFactory, settings), settings.LoggerFactory, settings);
var entry = new TestMemPoolEntryHelper();
/* 3rd highest fee */
Transaction tx1 = new Transaction();
tx1.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx1.GetHash(), entry.Fee(new Money(10000L)).Priority(10.0).FromTx(tx1));
/* highest fee */
Transaction tx2 = new Transaction();
tx2.AddOutput(new TxOut(new Money(2 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx2.GetHash(), entry.Fee(new Money(20000L)).Priority(9.0).FromTx(tx2));
/* lowest fee */
Transaction tx3 = new Transaction();
tx3.AddOutput(new TxOut(new Money(5 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx3.GetHash(), entry.Fee(new Money(0L)).Priority(100.0).FromTx(tx3));
/* 2nd highest fee */
Transaction tx4 = new Transaction();
tx4.AddOutput(new TxOut(new Money(6 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx4.GetHash(), entry.Fee(new Money(15000L)).Priority(1.0).FromTx(tx4));
/* equal fee rate to tx1, but newer */
Transaction tx5 = new Transaction();
tx5.AddOutput(new TxOut(new Money(11 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx5.GetHash(), entry.Fee(new Money(10000L)).Priority(10.0).Time(1).FromTx(tx5));
// assert size
Assert.Equal(5, pool.Size);
List <string> sortedOrder = new List <string>(5);
sortedOrder.Insert(0, tx3.GetHash().ToString()); // 0
sortedOrder.Insert(1, tx5.GetHash().ToString()); // 10000
sortedOrder.Insert(2, tx1.GetHash().ToString()); // 10000
sortedOrder.Insert(3, tx4.GetHash().ToString()); // 15000
sortedOrder.Insert(4, tx2.GetHash().ToString()); // 20000
this.CheckSort(pool, pool.MapTx.DescendantScore.ToList(), sortedOrder);
/* low fee but with high fee child */
/* tx6 -> tx7 -> tx8, tx9 -> tx10 */
Transaction tx6 = new Transaction();
tx6.AddOutput(new TxOut(new Money(20 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx6.GetHash(), entry.Fee(new Money(0L)).FromTx(tx6));
// assert size
Assert.Equal(6, pool.Size);
// Check that at this point, tx6 is sorted low
sortedOrder.Insert(0, tx6.GetHash().ToString());
this.CheckSort(pool, pool.MapTx.DescendantScore.ToList(), sortedOrder);
TxMempool.SetEntries setAncestors = new TxMempool.SetEntries();
setAncestors.Add(pool.MapTx.TryGet(tx6.GetHash()));
Transaction tx7 = new Transaction();
tx7.AddInput(new TxIn(new OutPoint(tx6.GetHash(), 0), new Script(OpcodeType.OP_11)));
tx7.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
tx7.AddOutput(new TxOut(new Money(1 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
TxMempool.SetEntries setAncestorsCalculated = new TxMempool.SetEntries();
string dummy;
Assert.True(pool.CalculateMemPoolAncestors(entry.Fee(2000000L).FromTx(tx7), setAncestorsCalculated, 100, 1000000, 1000, 1000000, out dummy));
Assert.True(setAncestorsCalculated.Equals(setAncestors));
pool.AddUnchecked(tx7.GetHash(), entry.FromTx(tx7), setAncestors);
Assert.Equal(7, pool.Size);
// Now tx6 should be sorted higher (high fee child): tx7, tx6, tx2, ...
sortedOrder.RemoveAt(0);
sortedOrder.Add(tx6.GetHash().ToString());
sortedOrder.Add(tx7.GetHash().ToString());
this.CheckSort(pool, pool.MapTx.DescendantScore.ToList(), sortedOrder);
/* low fee child of tx7 */
Transaction tx8 = new Transaction();
tx8.AddInput(new TxIn(new OutPoint(tx7.GetHash(), 0), new Script(OpcodeType.OP_11)));
tx8.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
setAncestors.Add(pool.MapTx.TryGet(tx7.GetHash()));
pool.AddUnchecked(tx8.GetHash(), entry.Fee(0L).Time(2).FromTx(tx8), setAncestors);
// Now tx8 should be sorted low, but tx6/tx both high
sortedOrder.Insert(0, tx8.GetHash().ToString());
this.CheckSort(pool, pool.MapTx.DescendantScore.ToList(), sortedOrder);
/* low fee child of tx7 */
Transaction tx9 = new Transaction();
tx9.AddInput(new TxIn(new OutPoint(tx7.GetHash(), 1), new Script(OpcodeType.OP_11)));
tx9.AddOutput(new TxOut(new Money(1 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
pool.AddUnchecked(tx9.GetHash(), entry.Fee(0L).Time(3).FromTx(tx9), setAncestors);
// tx9 should be sorted low
Assert.Equal(9, pool.Size);
sortedOrder.Insert(0, tx9.GetHash().ToString());
this.CheckSort(pool, pool.MapTx.DescendantScore.ToList(), sortedOrder);
List <string> snapshotOrder = sortedOrder.ToList();
setAncestors.Add(pool.MapTx.TryGet(tx8.GetHash()));
setAncestors.Add(pool.MapTx.TryGet(tx9.GetHash()));
/* tx10 depends on tx8 and tx9 and has a high fee*/
Transaction tx10 = new Transaction();
tx10.AddInput(new TxIn(new OutPoint(tx8.GetHash(), 0), new Script(OpcodeType.OP_11)));
tx10.AddInput(new TxIn(new OutPoint(tx9.GetHash(), 0), new Script(OpcodeType.OP_11)));
tx10.AddOutput(new TxOut(new Money(10 * Money.COIN), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
setAncestorsCalculated.Clear();
Assert.True(pool.CalculateMemPoolAncestors(entry.Fee(200000L).Time(4).FromTx(tx10), setAncestorsCalculated, 100, 1000000, 1000, 1000000, out dummy));
Assert.True(setAncestorsCalculated.Equals(setAncestors));
pool.AddUnchecked(tx10.GetHash(), entry.FromTx(tx10), setAncestors);
/**
* tx8 and tx9 should both now be sorted higher
* Final order after tx10 is added:
*
* tx3 = 0 (1)
* tx5 = 10000 (1)
* tx1 = 10000 (1)
* tx4 = 15000 (1)
* tx2 = 20000 (1)
* tx9 = 200k (2 txs)
* tx8 = 200k (2 txs)
* tx10 = 200k (1 tx)
* tx6 = 2.2M (5 txs)
* tx7 = 2.2M (4 txs)
*/
sortedOrder.RemoveRange(0, 2); // take out tx9, tx8 from the beginning
sortedOrder.Insert(5, tx9.GetHash().ToString());
sortedOrder.Insert(6, tx8.GetHash().ToString());
sortedOrder.Insert(7, tx10.GetHash().ToString()); // tx10 is just before tx6
this.CheckSort(pool, pool.MapTx.DescendantScore.ToList(), sortedOrder);
// there should be 10 transactions in the mempool
Assert.Equal(10, pool.Size);
// Now try removing tx10 and verify the sort order returns to normal
pool.RemoveRecursive(pool.MapTx.TryGet(tx10.GetHash()).Transaction);
this.CheckSort(pool, pool.MapTx.DescendantScore.ToList(), snapshotOrder);
pool.RemoveRecursive(pool.MapTx.TryGet(tx9.GetHash()).Transaction);
pool.RemoveRecursive(pool.MapTx.TryGet(tx8.GetHash()).Transaction);
/* Now check the sort on the mining score index.
* Final order should be:
*
* tx7 (2M)
* tx2 (20k)
* tx4 (15000)
* tx1/tx5 (10000)
* tx3/6 (0)
* (Ties resolved by hash)
*/
sortedOrder.Clear();
sortedOrder.Add(tx7.GetHash().ToString());
sortedOrder.Add(tx2.GetHash().ToString());
sortedOrder.Add(tx4.GetHash().ToString());
if (tx1.GetHash() < tx5.GetHash())
{
sortedOrder.Add(tx5.GetHash().ToString());
sortedOrder.Add(tx1.GetHash().ToString());
}
else
{
sortedOrder.Add(tx1.GetHash().ToString());
sortedOrder.Add(tx5.GetHash().ToString());
}
if (tx3.GetHash() < tx6.GetHash())
{
sortedOrder.Add(tx6.GetHash().ToString());
sortedOrder.Add(tx3.GetHash().ToString());
}
else
{
sortedOrder.Add(tx3.GetHash().ToString());
sortedOrder.Add(tx6.GetHash().ToString());
}
this.CheckSort(pool, pool.MapTx.MiningScore.ToList(), sortedOrder);
}
public void FundTransaction_Given__a_wallet_has_enough_inputs__When__adding_inputs_to_an_existing_transaction__Then__the_transaction_is_funded_successfully()
{
DataFolder dataFolder = CreateDataFolder(this);
var wallet = WalletTestsHelpers.GenerateBlankWallet("myWallet1", "password");
var accountKeys = WalletTestsHelpers.GenerateAccountKeys(wallet, "password", "m/44'/0'/0'");
var spendingKeys = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "0/0");
var destinationKeys1 = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "0/1");
var destinationKeys2 = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "0/2");
var destinationKeys3 = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "0/3");
var address = new HdAddress
{
Index = 0,
HdPath = $"m/44'/0'/0'/0/0",
Address = spendingKeys.Address.ToString(),
Pubkey = spendingKeys.PubKey.ScriptPubKey,
ScriptPubKey = spendingKeys.Address.ScriptPubKey,
Transactions = new List <TransactionData>()
};
// wallet with 4 coinbase outputs of 50 = 200 Bitcoin
var chain = new ConcurrentChain(wallet.Network.GetGenesis().Header);
WalletTestsHelpers.AddBlocksWithCoinbaseToChain(wallet.Network, chain, address, 4);
wallet.AccountsRoot.ElementAt(0).Accounts.Add(new HdAccount
{
Index = 0,
Name = "account1",
HdPath = "m/44'/0'/0'",
ExtendedPubKey = accountKeys.ExtPubKey,
ExternalAddresses = new List <HdAddress> {
address
},
InternalAddresses = new List <HdAddress>()
});
var walletFeePolicy = new Mock <IWalletFeePolicy>();
walletFeePolicy.Setup(w => w.GetFeeRate(FeeType.Low.ToConfirmations())).Returns(new FeeRate(20000));
var overrideFeeRate = new FeeRate(20000);
var walletManager = new WalletManager(this.LoggerFactory.Object, Network.Main, chain, NodeSettings.Default(), dataFolder, walletFeePolicy.Object, new Mock <IAsyncLoopFactory>().Object, new NodeLifetime(), DateTimeProvider.Default);
var walletTransactionHandler = new WalletTransactionHandler(this.LoggerFactory.Object, chain, walletManager, walletFeePolicy.Object, Network.Main);
walletManager.Wallets.Add(wallet);
var walletReference = new WalletAccountReference
{
AccountName = "account1",
WalletName = "myWallet1"
};
// create a trx with 3 outputs 50 + 50 + 49 = 149 BTC
var context = new TransactionBuildContext(walletReference,
new[]
{
new Recipient {
Amount = new Money(50, MoneyUnit.BTC), ScriptPubKey = destinationKeys1.PubKey.ScriptPubKey
},
new Recipient {
Amount = new Money(50, MoneyUnit.BTC), ScriptPubKey = destinationKeys2.PubKey.ScriptPubKey
},
new Recipient {
Amount = new Money(49, MoneyUnit.BTC), ScriptPubKey = destinationKeys3.PubKey.ScriptPubKey
}
}
.ToList(), "password")
{
MinConfirmations = 0,
FeeType = FeeType.Low
};
var fundTransaction = walletTransactionHandler.BuildTransaction(context);
Assert.Equal(3, fundTransaction.Inputs.Count); // 3 inputs
Assert.Equal(4, fundTransaction.Outputs.Count); // 3 outputs with change
// remove the change output
fundTransaction.Outputs.Remove(fundTransaction.Outputs.First(f => f.ScriptPubKey == context.ChangeAddress.ScriptPubKey));
// remove 2 inputs they will be added back by fund transaction
fundTransaction.Inputs.RemoveAt(2);
fundTransaction.Inputs.RemoveAt(1);
Assert.Single(fundTransaction.Inputs); // 3 inputs
var fundTransactionClone = fundTransaction.Clone();
var fundContext = new TransactionBuildContext(walletReference, new List <Recipient>(), "password")
{
MinConfirmations = 0,
FeeType = FeeType.Low
};
fundContext.OverrideFeeRate = overrideFeeRate;
walletTransactionHandler.FundTransaction(fundContext, fundTransaction);
foreach (var input in fundTransactionClone.Inputs) // all original inputs are still in the trx
{
Assert.Contains(fundTransaction.Inputs, a => a.PrevOut == input.PrevOut);
}
Assert.Equal(3, fundTransaction.Inputs.Count); // we expect 3 inputs
Assert.Equal(4, fundTransaction.Outputs.Count); // we expect 4 outputs
Assert.Equal(new Money(150, MoneyUnit.BTC) - fundContext.TransactionFee, fundTransaction.TotalOut);
Assert.Contains(fundTransaction.Outputs, a => a.ScriptPubKey == destinationKeys1.PubKey.ScriptPubKey);
Assert.Contains(fundTransaction.Outputs, a => a.ScriptPubKey == destinationKeys2.PubKey.ScriptPubKey);
Assert.Contains(fundTransaction.Outputs, a => a.ScriptPubKey == destinationKeys3.PubKey.ScriptPubKey);
}
public void MempoolRemoveTest()
{
TestMemPoolEntryHelper entry = new TestMemPoolEntryHelper();
// Parent transaction with three children,
// and three grand-children:
Transaction txParent = new Transaction();
txParent.AddInput(new TxIn());
txParent.Inputs[0].ScriptSig = new Script(OpcodeType.OP_11);
for (int i = 0; i < 3; i++)
{
txParent.AddOutput(new TxOut(new Money(33000L), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
}
Transaction[] txChild = new Transaction[3];
for (int i = 0; i < 3; i++)
{
txChild[i] = new Transaction();
txChild[i].AddInput(new TxIn(new OutPoint(txParent, i), new Script(OpcodeType.OP_11)));
txChild[i].AddOutput(new TxOut(new Money(11000L), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
}
Transaction[] txGrandChild = new Transaction[3];
for (int i = 0; i < 3; i++)
{
txGrandChild[i] = new Transaction();
txGrandChild[i].AddInput(new TxIn(new OutPoint(txChild[i], 0), new Script(OpcodeType.OP_11)));
txGrandChild[i].AddOutput(new TxOut(new Money(11000L), new Script(OpcodeType.OP_11, OpcodeType.OP_EQUAL)));
}
var settings = NodeSettings.Default();
TxMempool testPool = new TxMempool(DateTimeProvider.Default, new BlockPolicyEstimator(new MempoolSettings(settings), settings.LoggerFactory, settings), settings.LoggerFactory, settings);
// Nothing in pool, remove should do nothing:
var poolSize = testPool.Size;
testPool.RemoveRecursive(txParent);
Assert.Equal(testPool.Size, poolSize);
// Just the parent:
testPool.AddUnchecked(txParent.GetHash(), entry.FromTx(txParent));
poolSize = testPool.Size;
testPool.RemoveRecursive(txParent);
Assert.Equal(testPool.Size, poolSize - 1);
// Parent, children, grandchildren:
testPool.AddUnchecked(txParent.GetHash(), entry.FromTx(txParent));
for (int i = 0; i < 3; i++)
{
testPool.AddUnchecked(txChild[i].GetHash(), entry.FromTx(txChild[i]));
testPool.AddUnchecked(txGrandChild[i].GetHash(), entry.FromTx(txGrandChild[i]));
}
// Remove Child[0], GrandChild[0] should be removed:
poolSize = testPool.Size;
testPool.RemoveRecursive(txChild[0]);
Assert.Equal(testPool.Size, poolSize - 2);
// ... make sure grandchild and child are gone:
poolSize = testPool.Size;
testPool.RemoveRecursive(txGrandChild[0]);
Assert.Equal(testPool.Size, poolSize);
poolSize = testPool.Size;
testPool.RemoveRecursive(txChild[0]);
Assert.Equal(testPool.Size, poolSize);
// Remove parent, all children/grandchildren should go:
poolSize = testPool.Size;
testPool.RemoveRecursive(txParent);
Assert.Equal(testPool.Size, poolSize - 5);
Assert.Equal(0, testPool.Size);
// Add children and grandchildren, but NOT the parent (simulate the parent being in a block)
for (int i = 0; i < 3; i++)
{
testPool.AddUnchecked(txChild[i].GetHash(), entry.FromTx(txChild[i]));
testPool.AddUnchecked(txGrandChild[i].GetHash(), entry.FromTx(txGrandChild[i]));
}
// Now remove the parent, as might happen if a block-re-org occurs but the parent cannot be
// put into the mempool (maybe because it is non-standard):
poolSize = testPool.Size;
testPool.RemoveRecursive(txParent);
Assert.Equal(poolSize - 6, testPool.Size);
Assert.Equal(0, testPool.Size);
}
public void BuildTransactionNoSpendableTransactionsThrowsWalletException()
{
Assert.Throws <WalletException>(() =>
{
var wallet = WalletTestsHelpers.GenerateBlankWallet("myWallet1", "password");
wallet.AccountsRoot.ElementAt(0).Accounts.Add(
new HdAccount
{
Name = "account1",
ExternalAddresses = new List <HdAddress>(),
InternalAddresses = new List <HdAddress>()
});
var chain = new Mock <ConcurrentChain>();
chain.Setup(c => c.Tip).Returns(new ChainedBlock(new BlockHeader(), 1));
var walletManager = new WalletManager(this.LoggerFactory.Object, Network.Main, chain.Object, NodeSettings.Default(),
new DataFolder(new NodeSettings {
DataDir = "TestData/WalletTransactionHandlerTest/BuildTransactionNoSpendableTransactionsThrowsWalletException"
}), new Mock <IWalletFeePolicy>().Object, new Mock <IAsyncLoopFactory>().Object, new NodeLifetime(), DateTimeProvider.Default);
var walletTransactionHandler = new WalletTransactionHandler(this.LoggerFactory.Object, chain.Object, walletManager, new Mock <IWalletFeePolicy>().Object, Network.Main);
walletManager.Wallets.Add(wallet);
var walletReference = new WalletAccountReference
{
AccountName = "account1",
WalletName = "myWallet1"
};
walletTransactionHandler.BuildTransaction(CreateContext(walletReference, "password", new Script(), new Money(500), FeeType.Medium, 2));
});
}
/// <summary>
/// Initializes an instance of the object from the default configuration.
/// </summary>
public WalletSettings() : this(NodeSettings.Default())
{
}