public void BuildTransactionFeeTooLowThrowsWalletException()
{
Assert.Throws <WalletException>(() =>
{
var walletFeePolicy = new Mock <IWalletFeePolicy>();
walletFeePolicy.Setup(w => w.GetFeeRate(FeeType.Low.ToConfirmations()))
.Returns(new FeeRate(0));
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 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>()
}
}
});
var walletManager = new WalletManager(this.LoggerFactory.Object, Network.Main, chain, NodeSettings.Default(),
new DataFolder(new NodeSettings {
DataDir = "TestData/WalletTransactionHandlerTest/BuildTransactionFeeTooLowThrowsWalletException"
}), 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"
};
walletTransactionHandler.BuildTransaction(CreateContext(walletReference, "password", destinationKeys.PubKey.ScriptPubKey, new Money(7500), FeeType.Low, 0));
});
}
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);
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)destinationKeys1 = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "0/1");
(PubKey PubKey, BitcoinPubKeyAddress Address)destinationKeys2 = WalletTestsHelpers.GenerateAddressKeys(wallet, accountKeys.ExtPubKey, "0/2");
(PubKey PubKey, BitcoinPubKeyAddress Address)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);
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, this.Network, chain, new WalletSettings(NodeSettings.Default(this.Network)),
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"
};
// create a trx with 3 outputs 50 + 50 + 50 = 150 BTC
var context = new TransactionBuildContext(this.Network)
{
AccountReference = walletReference,
MinConfirmations = 0,
FeeType = FeeType.Low,
WalletPassword = "******",
Recipients = 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(50, MoneyUnit.BTC), ScriptPubKey = destinationKeys3.PubKey.ScriptPubKey
}
}.ToList()
};
Transaction fundTransaction = walletTransactionHandler.BuildTransaction(context);
Assert.Equal(4, fundTransaction.Inputs.Count); // 4 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 3 inputs they will be added back by fund transaction
fundTransaction.Inputs.RemoveAt(3);
fundTransaction.Inputs.RemoveAt(2);
fundTransaction.Inputs.RemoveAt(1);
Assert.Single(fundTransaction.Inputs); // 4 inputs
Transaction fundTransactionClone = this.Network.CreateTransaction(fundTransaction.ToBytes());
var fundContext = new TransactionBuildContext(this.Network)
{
AccountReference = walletReference,
MinConfirmations = 0,
FeeType = FeeType.Low,
WalletPassword = "******",
Recipients = new List <Recipient>()
};
fundContext.OverrideFeeRate = overrideFeeRate;
walletTransactionHandler.FundTransaction(fundContext, fundTransaction);
foreach (TxIn input in fundTransactionClone.Inputs) // all original inputs are still in the trx
{
Assert.Contains(fundTransaction.Inputs, a => a.PrevOut == input.PrevOut);
}
Assert.Equal(4, fundTransaction.Inputs.Count); // we expect 4 inputs
Assert.Equal(4, fundTransaction.Outputs.Count); // we expect 4 outputs
Assert.Equal(new Money(200, 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 EstimateFeeWithLowFeeMatchesBuildTxLowFee()
{
var dataFolder = CreateDataFolder(this);
Wallet 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");
HdAddress 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>()
};
ConcurrentChain 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, Network.Main, chain, NodeSettings.Default(), dataFolder,
walletFeePolicy.Object, new Mock <IAsyncLoopFactory>().Object, new NodeLifetime(), DateTimeProvider.Default);
WalletTransactionHandler walletTransactionHandler = new WalletTransactionHandler(this.LoggerFactory.Object, chain, walletManager, walletFeePolicy.Object, Network.Main);
walletManager.Wallets.Add(wallet);
WalletAccountReference walletReference = new WalletAccountReference
{
AccountName = "account1",
WalletName = "myWallet1"
};
// Context to build requires password in order to sign transaction.
TransactionBuildContext buildContext = CreateContext(walletReference, "password", destinationKeys.PubKey.ScriptPubKey, new Money(7500), FeeType.Low, 0);
walletTransactionHandler.BuildTransaction(buildContext);
// Context for estimate does not need password.
TransactionBuildContext estimateContext = CreateContext(walletReference, null, destinationKeys.PubKey.ScriptPubKey, new Money(7500), FeeType.Low, 0);
Money fee = walletTransactionHandler.EstimateFee(estimateContext);
Assert.Equal(fee, buildContext.TransactionFee);
}
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);
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 BuildTransactionFeeTooLowDefaultsToMinimumFee()
{
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 nodeSettings = new NodeSettings(network: this.Network, args: new string[] { $"-datadir={dataDir}" });
var walletManager = new WalletManager(this.LoggerFactory.Object, this.Network, chain, new WalletSettings(nodeSettings),
new DataFolder(nodeSettings.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"
};
TransactionBuildContext context = CreateContext(this.Network, walletReference, "password", destinationKeys.PubKey.ScriptPubKey, new Money(7500), FeeType.Low, 0);
Transaction transaction = walletTransactionHandler.BuildTransaction(context);
Assert.Equal(new Money(this.Network.MinTxFee, MoneyUnit.Satoshi), context.TransactionFee);
}
private WalletTransactionHandlerTestContext 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,
new WalletSettings(NodeSettings.Default(this.Network)), 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(new WalletTransactionHandlerTestContext
{
Wallet = wallet,
AccountKeys = accountKeys,
DestinationKeys = destinationKeys,
AddressTransaction = addressTransaction,
WalletTransactionHandler = walletTransactionHandler,
WalletReference = walletReference
});
}
private WalletTransactionHandlerTestContext SetupWallet(FeeRate feeRate = null, int coinBaseBlocks = 1)
{
DataFolder dataFolder = CreateDataFolder(this);
IWalletRepository walletRepository = new SQLiteWalletRepository(this.LoggerFactory.Object, dataFolder, this.Network, DateTimeProvider.Default, new ScriptAddressReader())
{
TestMode = true
};
var walletFeePolicy = new Mock <IWalletFeePolicy>();
walletFeePolicy.Setup(w => w.GetFeeRate(FeeType.Low.ToConfirmations()))
.Returns(feeRate ?? new FeeRate(20000));
var chain = new ChainIndexer(this.Network);
var walletManager = new WalletManager(this.LoggerFactory.Object, this.Network, chain,
new WalletSettings(NodeSettings.Default(this.Network)), dataFolder,
walletFeePolicy.Object, new Mock <IAsyncProvider>().Object, new NodeLifetime(), DateTimeProvider.Default, this.scriptAddressReader, walletRepository);
var reserveUtxoService = new ReserveUtxoService(this.loggerFactory, new Mock <ISignals>().Object);
var walletTransactionHandler = new WalletTransactionHandler(this.LoggerFactory.Object, walletManager, walletFeePolicy.Object, this.Network, this.standardTransactionPolicy, reserveUtxoService);
walletManager.Start();
var walletReference = new WalletAccountReference
{
AccountName = "account1",
WalletName = "myWallet1"
};
Wallet wallet = WalletTestsHelpers.GenerateBlankWallet(walletReference.WalletName, "password", walletRepository);
(ExtKey ExtKey, string ExtPubKey)accountKeys = WalletTestsHelpers.GenerateAccountKeys(wallet, "password", $"m/44'/{this.Network.Consensus.CoinType}'/0'");
var account = wallet.AddNewAccount(accountKeys.ExtKey.Neuter(), accountName: walletReference.AccountName);
var destinationAddress = account.ExternalAddresses.Skip(1).First();
(PubKey PubKey, BitcoinPubKeyAddress Address)destinationKeys = (destinationAddress.Pubkey.GetDestinationPublicKeys(this.Network).First(), new BitcoinPubKeyAddress(destinationAddress.Address, this.Network));
HdAddress address = account.ExternalAddresses.ElementAt(0);
TransactionData addressTransaction = null;
if (coinBaseBlocks != 0)
{
WalletTestsHelpers.AddBlocksWithCoinbaseToChain(wallet.Network, chain, address, coinBaseBlocks);
addressTransaction = address.Transactions.First();
}
return(new WalletTransactionHandlerTestContext
{
Wallet = wallet,
AccountKeys = accountKeys,
DestinationKeys = destinationKeys,
AddressTransaction = addressTransaction,
WalletTransactionHandler = walletTransactionHandler,
WalletReference = walletReference
});
}