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UnitTest1.cs
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UnitTest1.cs
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using Microsoft.Azure.ServiceBus;
using Microsoft.Azure.ServiceBus.Core;
using NBitcoin;
using NBitcoin.RPC;
using NBXplorer.DerivationStrategy;
using NBXplorer.Models;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using RabbitMQ.Client;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using NBitcoin.Altcoins.Elements;
using Xunit;
using Xunit.Abstractions;
using System.Net.Http;
using System.IO;
using Dapper;
using NBXplorer.Configuration;
using NBXplorer.Backend;
using NBitcoin.Tests;
using System.Globalization;
using System.Net;
using NBXplorer.HostedServices;
namespace NBXplorer.Tests
{
public partial class UnitTest1
{
public UnitTest1(ITestOutputHelper helper)
{
Logs.Tester = new XUnitLog(helper) { Name = "Tests" };
Logs.LogProvider = new XUnitLoggerProvider(helper);
}
NBXplorerNetworkProvider _Provider = new NBXplorerNetworkProvider(ChainName.Regtest);
private NBXplorerNetwork GetNetwork(INetworkSet network)
{
return _Provider.GetFromCryptoCode(network.CryptoCode);
}
[Fact]
public void CanCreateNetworkProvider()
{
foreach (var networkType in new[] { ChainName.Mainnet, ChainName.Testnet, ChainName.Regtest })
{
_ = new NBXplorerNetworkProvider((ChainName)networkType);
}
}
[Fact]
public void CanFixedSizeCache()
{
FixedSizeCache<uint256, uint256> cache = new FixedSizeCache<uint256, uint256>(2, k => k);
Assert.Equal(2, cache.MaxElementsCount);
Assert.Throws<ArgumentNullException>(() => cache.Add(null));
Assert.Throws<ArgumentNullException>(() => cache.Contains(null));
uint256 previous = RandomUtils.GetUInt256();
int evicted = 0;
for (int i = 0; i < 10000; i++)
{
uint256 newItem = RandomUtils.GetUInt256();
cache.Add(newItem);
if (cache.Contains(previous))
evicted++;
Assert.True(cache.Contains(newItem));
previous = newItem;
}
// Should be around 5000
Assert.True(evicted > 4000);
Assert.True(evicted < 6000);
}
[FactWithTimeout]
public async Task RepositoryCanTrackAddresses()
{
using (var tester = RepositoryTester.Create(true))
{
var dummy = new DirectDerivationStrategy(new ExtKey().Neuter().GetWif(Network.RegTest), false);
await RepositoryCanTrackAddressesCore(tester, dummy);
}
}
[FactWithTimeout]
public async Task CanGetEvents()
{
using (var tester = RepositoryTester.Create(false))
{
var evt1 = new NewBlockEvent() { Height = 1 };
var evt2 = new NewBlockEvent() { Height = 2 };
var id = await tester.Repository.SaveEvent(evt1);
Assert.Equal(1, id);
// Well saved?
var evts = await tester.Repository.GetEvents(-1);
Assert.Single(evts);
Assert.Equal(1, ((NewBlockEvent)evts[0]).Height);
// But evt2 should be saved if there is a different eventId
id = await tester.Repository.SaveEvent(evt2);
Assert.Equal(2, id);
// Let's see if both evts are returned correctly
evts = await tester.Repository.GetEvents(-1);
Assert.True(evts.Count == 2);
Assert.Equal(1, ((NewBlockEvent)evts[0]).Height);
Assert.Equal(2, ((NewBlockEvent)evts[1]).Height);
// Or only 1 if we pass the first param
evts = await tester.Repository.GetEvents(1);
Assert.Single(evts);
Assert.Equal(2, ((NewBlockEvent)evts[0]).Height);
// Or only 1 if we pass limit
evts = await tester.Repository.GetEvents(-1, 1);
Assert.Single(evts);
Assert.Equal(1, ((NewBlockEvent)evts[0]).Height);
var evt3 = new NewBlockEvent() { Height = 3 };
await tester.Repository.SaveEvent(evt3);
evts = await tester.Repository.GetEvents(1, 1);
Assert.Equal(2, evts[0].EventId);
Assert.Single(evts);
Assert.Equal(2, ((NewBlockEvent)evts[0]).Height);
for (int i = 0; i < 20; i++)
{
var evt = new NewBlockEvent() { Height = 4 + i };
await tester.Repository.SaveEvent(evt);
}
evts = await tester.Repository.GetEvents(0);
Assert.Equal(23, evts.Count);
// Test GetLatestEvents
var latestEvtsNoArg = await tester.Repository.GetLatestEvents();
Assert.Equal(10, latestEvtsNoArg.Count);
Assert.Equal(14, ((NewBlockEvent)latestEvtsNoArg[0]).Height);
Assert.Equal(23, ((NewBlockEvent)latestEvtsNoArg[9]).Height);
var latestEvts1 = await tester.Repository.GetLatestEvents(1);
Assert.Single(latestEvts1);
Assert.Equal(23, ((NewBlockEvent)latestEvts1[0]).Height);
var latestEvts10 = await tester.Repository.GetLatestEvents(10);
Assert.Equal(10, latestEvts10.Count);
Assert.Equal(14, ((NewBlockEvent)latestEvts10[0]).Height);
Assert.Equal(23, ((NewBlockEvent)latestEvts10[9]).Height);
var latestEvts50 = await tester.Repository.GetLatestEvents(50);
Assert.Equal(23, latestEvts50.Count);
Assert.Equal(1, ((NewBlockEvent)latestEvts50[0]).Height);
Assert.Equal(23, ((NewBlockEvent)latestEvts50[22]).Height);
int prev = 0;
foreach (var item in evts)
{
Assert.Equal(prev + 1, ((NewBlockEvent)item).Height);
Assert.Equal(prev + 1, item.EventId);
prev = ((NewBlockEvent)item).Height;
}
}
}
[Fact]
public void CanSerializeKeyPathFast()
{
using (var tester = RepositoryTester.Create(true))
{
var dummy = new DirectDerivationStrategy(new ExtKey().Neuter().GetWif(Network.RegTest), false);
var seria = new Serializer(tester.Repository.Network);
var keyInfo = new KeyPathInformation()
{
TrackedSource = new DerivationSchemeTrackedSource(dummy),
DerivationStrategy = dummy,
Feature = DerivationFeature.Change,
KeyPath = new KeyPath("0/1"),
Redeem = Script.Empty,
ScriptPubKey = Script.Empty
};
var str = seria.ToString(keyInfo);
for (int i = 0; i < 1500; i++)
{
seria.ToObject<KeyPathInformation>(str);
}
}
}
private static async Task RepositoryCanTrackAddressesCore(RepositoryTester tester, DerivationStrategyBase dummy)
{
Assert.Equal(2, await tester.Repository.GenerateAddresses(dummy, DerivationFeature.Deposit, 2));
var keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Deposit).Derive(0).ScriptPubKey);
Assert.NotNull(keyInfo);
Assert.Equal(new KeyPath("0/0"), keyInfo.KeyPath);
Assert.Equal(keyInfo.DerivationStrategy.ToString(), dummy.ToString());
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Deposit).Derive(1).ScriptPubKey);
Assert.NotNull(keyInfo);
Assert.Equal(new KeyPath("0/1"), keyInfo.KeyPath);
Assert.Equal(keyInfo.DerivationStrategy.ToString(), dummy.ToString());
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Deposit).Derive(2).ScriptPubKey);
Assert.Null(keyInfo);
Assert.Equal(28, await tester.Repository.GenerateAddresses(dummy, DerivationFeature.Deposit));
Assert.Equal(30, await tester.Repository.GenerateAddresses(dummy, DerivationFeature.Change));
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Deposit).Derive(29).ScriptPubKey);
Assert.NotNull(keyInfo);
Assert.Equal(new KeyPath("0/29"), keyInfo.KeyPath);
Assert.Equal(keyInfo.DerivationStrategy.ToString(), dummy.ToString());
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Change).Derive(29).ScriptPubKey);
Assert.NotNull(keyInfo);
Assert.Equal(new KeyPath("1/29"), keyInfo.KeyPath);
Assert.Equal(keyInfo.DerivationStrategy.ToString(), dummy.ToString());
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Deposit).Derive(30).ScriptPubKey);
Assert.Null(keyInfo);
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Change).Derive(30).ScriptPubKey);
Assert.Null(keyInfo);
MarkAsUsed(tester.Repository, dummy, new KeyPath("1/5"));
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Change).Derive(25).ScriptPubKey);
Assert.NotNull(keyInfo);
Assert.Equal(new KeyPath("1/25"), keyInfo.KeyPath);
Assert.Equal(keyInfo.DerivationStrategy, dummy);
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Change).Derive(36).ScriptPubKey);
Assert.Null(keyInfo);
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Deposit).Derive(30).ScriptPubKey);
Assert.Null(keyInfo);
for (int i = 0; i < 10; i++)
{
Assert.Equal(0, tester.Repository.GenerateAddresses(dummy, DerivationFeature.Deposit).Result);
MarkAsUsed(tester.Repository, dummy, new KeyPath("0/" + i));
}
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Deposit).Derive(30).ScriptPubKey);
Assert.Null(keyInfo);
MarkAsUsed(tester.Repository, dummy, new KeyPath("0/10"));
Assert.Equal(11, tester.Repository.GenerateAddresses(dummy, DerivationFeature.Deposit).Result);
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Deposit).Derive(30).ScriptPubKey);
Assert.NotNull(keyInfo);
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Deposit).Derive(39).ScriptPubKey);
Assert.NotNull(keyInfo);
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Deposit).Derive(41).ScriptPubKey);
Assert.Null(keyInfo);
//No op
MarkAsUsed(tester.Repository, dummy, new KeyPath("1/6"));
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Change).Derive(29).ScriptPubKey);
Assert.NotNull(keyInfo);
Assert.Equal(new KeyPath("1/29"), keyInfo.KeyPath);
Assert.Equal(keyInfo.DerivationStrategy.ToString(), dummy.ToString());
keyInfo = tester.Repository.GetKeyInformation(dummy.GetLineFor(DerivationFeature.Change).Derive(30).ScriptPubKey);
Assert.Null(keyInfo);
}
private static void MarkAsUsed(Repository repository, DerivationStrategyBase strat, KeyPath keyPath)
{
var script = strat.GetDerivation(keyPath).ScriptPubKey.ToHex();
using var conn = repository.ConnectionFactory.CreateConnection().GetAwaiter().GetResult();
conn.Execute("UPDATE descriptors_scripts SET used='t' WHERE code=@code AND script=@script", new { code = repository.Network.CryptoCode, script });
}
[FactWithTimeout]
public async Task CanEasilySpendUTXOs()
{
using (var tester = ServerTester.Create())
{
var userExtKey = new ExtKey();
var userDerivationScheme = tester.Client.Network.DerivationStrategyFactory.CreateDirectDerivationStrategy(userExtKey.Neuter(), new DerivationStrategyOptions()
{
ScriptPubKeyType = ScriptPubKeyType.Legacy
});
await tester.Client.TrackAsync(userDerivationScheme);
// Send 1 BTC
var newAddress = tester.Client.GetUnused(userDerivationScheme, DerivationFeature.Direct);
var txId = tester.SendToAddress(newAddress.ScriptPubKey, Money.Coins(1.0m));
tester.Notifications.WaitForTransaction(userDerivationScheme, txId);
var utxos = tester.Client.GetUTXOs(userDerivationScheme);
tester.RPC.Generate(1);
tester.Notifications.WaitForBlocks();
// Send 1 more BTC
newAddress = tester.Client.GetUnused(userDerivationScheme, DerivationFeature.Deposit);
txId = tester.SendToAddress(newAddress.ScriptPubKey, Money.Coins(1.1m));
tester.Notifications.WaitForTransaction(userDerivationScheme, txId);
utxos = tester.Client.GetUTXOs(userDerivationScheme);
var balance = tester.Client.GetBalance(userDerivationScheme);
Assert.Equal(Money.Coins(1.0m), balance.Confirmed);
Assert.Equal(Money.Coins(1.1m), balance.Unconfirmed);
Assert.Equal(Money.Coins(2.1m), balance.Total);
utxos = tester.Client.GetUTXOs(userDerivationScheme);
Assert.Equal(2, utxos.GetUnspentCoins().Length);
for (int i = 0; i < 3; i++)
{
var changeAddress = tester.Client.GetUnused(userDerivationScheme, DerivationFeature.Change);
var coins = utxos.GetUnspentCoins();
var keys = utxos.GetKeys(userExtKey);
TransactionBuilder builder = tester.Network.CreateTransactionBuilder();
builder.AddCoins(coins);
builder.AddKeys(keys);
builder.Send(new Key(), Money.Coins(0.5m));
builder.SetChange(changeAddress.ScriptPubKey);
var fallbackFeeRate = new FeeRate(Money.Satoshis(100), 1);
var feeRate = tester.Client.GetFeeRate(1, fallbackFeeRate).FeeRate;
builder.SendEstimatedFees(feeRate);
var tx = builder.BuildTransaction(true);
Assert.True(builder.Verify(tx));
Assert.True(tester.Client.Broadcast(tx).Success);
tester.Notifications.WaitForTransaction(userDerivationScheme, tx.GetHash());
utxos = tester.Client.GetUTXOs(userDerivationScheme);
if (i == 0)
Assert.Equal(2, utxos.GetUnspentCoins().Length);
Assert.Contains(utxos.GetUnspentCoins(), u => u.ScriptPubKey == changeAddress.ScriptPubKey);
Assert.Contains(utxos.Unconfirmed.UTXOs, u => u.ScriptPubKey == changeAddress.ScriptPubKey && u.Feature == DerivationFeature.Change);
}
}
}
[FactWithTimeout]
public async Task CanCreatePSBT()
{
using (var tester = ServerTester.Create())
{
// We need to check if we can get utxo information of segwit utxos
var segwit = await tester.RPC.GetNewAddressAsync(new GetNewAddressRequest()
{
AddressType = AddressType.Bech32
});
var txId = await tester.RPC.SendToAddressAsync(segwit, Money.Coins(0.01m));
var newTx = await tester.RPC.GetRawTransactionAsync(txId);
var coin = newTx.Outputs.AsCoins().First(c => c.ScriptPubKey == segwit.ScriptPubKey);
var spending = tester.Network.CreateTransactionBuilder()
.AddCoins(coin)
.SendAll(new Key().PubKey.ScriptPubKey)
.SubtractFees()
.SendFees(Money.Satoshis(1000))
.BuildTransaction(false);
var spendingPSBT = (await tester.Client.UpdatePSBTAsync(new UpdatePSBTRequest()
{
PSBT = PSBT.FromTransaction(spending, tester.Network)
})).PSBT;
Assert.NotNull(spendingPSBT.Inputs[0].WitnessUtxo);
///////////////////////////
//CanCreatePSBTCore(tester, ScriptPubKeyType.SegwitP2SH);
//CanCreatePSBTCore(tester, ScriptPubKeyType.Segwit);
//CanCreatePSBTCore(tester, ScriptPubKeyType.Legacy);
CanCreatePSBTCore(tester, ScriptPubKeyType.TaprootBIP86);
// If we build a list of unconf transaction which is too long, the CreatePSBT should
// fail rather than create a transaction that can't be broadcasted.
var userExtKey = new ExtKey();
var userDerivationScheme = tester.Client.Network.DerivationStrategyFactory.CreateDirectDerivationStrategy(userExtKey.Neuter(), new DerivationStrategyOptions()
{
ScriptPubKeyType = ScriptPubKeyType.Segwit
});
await tester.Client.TrackAsync(userDerivationScheme);
var newAddress = await tester.Client.GetUnusedAsync(userDerivationScheme, DerivationFeature.Direct);
txId = await tester.SendToAddressAsync(newAddress.ScriptPubKey, Money.Coins(1.0m));
await tester.RPC.GenerateAsync(1);
Thread.Sleep(500);
await tester.RPC.GenerateAsync(1);
await tester.RPC.GenerateAsync(1);
for (int i = 0; i < 26; i++)
{
try
{
var psbt = await tester.Client.CreatePSBTAsync(userDerivationScheme, new CreatePSBTRequest()
{
Destinations = {
new CreatePSBTDestination()
{
Destination = newAddress.Address,
SweepAll = true
}
},
FeePreference = new FeePreference() { ExplicitFeeRate = new FeeRate(2.0m) }
});
if (i == 25)
Assert.Fail("CreatePSBT shouldn't have created a PSBT with a UTXO having too many ancestors");
psbt.PSBT.SignAll(userDerivationScheme, userExtKey);
psbt.PSBT.Finalize();
Assert.True((await tester.Client.BroadcastAsync(psbt.PSBT.ExtractTransaction())).Success);
}
catch (NBXplorerException ex)
{
if (i == 25)
Assert.Equal("not-enough-funds", ex.Error.Code);
else
throw;
}
}
}
}
private static void CanCreatePSBTCore(ServerTester tester, ScriptPubKeyType type)
{
var userExtKey = new ExtKey();
var userDerivationScheme = tester.Client.Network.DerivationStrategyFactory.CreateDirectDerivationStrategy(userExtKey.Neuter(), new DerivationStrategyOptions()
{
ScriptPubKeyType = type
});
tester.Client.Track(userDerivationScheme);
var userExtKey2 = new ExtKey();
var userDerivationScheme2 = tester.Client.Network.DerivationStrategyFactory.CreateDirectDerivationStrategy(userExtKey2.Neuter(), new DerivationStrategyOptions()
{
ScriptPubKeyType = type
});
tester.Client.Track(userDerivationScheme2);
var newAddress2 = tester.Client.GetUnused(userDerivationScheme2, DerivationFeature.Deposit, skip: 2);
// Send 1 BTC
var newAddress = tester.Client.GetUnused(userDerivationScheme, DerivationFeature.Direct);
var txId = tester.SendToAddress(newAddress.ScriptPubKey, Money.Coins(1.0m));
tester.Notifications.WaitForTransaction(userDerivationScheme, txId);
var utxos = tester.Client.GetUTXOs(userDerivationScheme);
// Send 1 more BTC
newAddress = tester.Client.GetUnused(userDerivationScheme, DerivationFeature.Deposit);
txId = tester.SendToAddress(newAddress.ScriptPubKey, Money.Coins(1.0m));
tester.Notifications.WaitForTransaction(userDerivationScheme, txId);
utxos = tester.Client.GetUTXOs(userDerivationScheme);
Logs.Tester.LogInformation("Let's check that if we can select all coins");
{
var req = new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
Amount = Money.Coins(0.5m)
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.00001m),
}
};
var minimumInputs = tester.Client.CreatePSBT(userDerivationScheme, req);
req.SpendAllMatchingOutpoints = true;
var spendAllOutpoints = tester.Client.CreatePSBT(userDerivationScheme, req);
var input = Assert.Single(minimumInputs.PSBT.Inputs);
if (type == ScriptPubKeyType.TaprootBIP86)
{
Assert.Equal(TaprootSigHash.Default, input.TaprootSighashType);
Assert.Empty(input.HDKeyPaths);
Assert.Single(input.HDTaprootKeyPaths);
Assert.NotNull(input.TaprootInternalKey);
}
Assert.Equal(2, spendAllOutpoints.PSBT.Inputs.Count);
}
utxos = tester.Client.GetUTXOs(userDerivationScheme);
Assert.Equal(2, utxos.GetUnspentCoins().Length);
for (int i = 0; i < 3; i++)
{
var substractFee = i == 1;
var explicitFee = i == 2;
var psbt = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
Amount = Money.Coins(0.5m),
SubstractFees = substractFee
}
},
FeePreference = new FeePreference()
{
FallbackFeeRate = explicitFee ? null : new FeeRate(Money.Satoshis(100), 1),
ExplicitFee = explicitFee ? Money.Coins(0.00001m) : null,
},
DisableFingerprintRandomization = true
});
Assert.Empty(psbt.PSBT.GlobalXPubs);
Assert.Null(psbt.Suggestions);
Assert.NotEqual(LockTime.Zero, psbt.PSBT.GetGlobalTransaction().LockTime);
psbt.PSBT.SignAll(userDerivationScheme, userExtKey);
Assert.True(psbt.PSBT.TryGetFee(out var fee));
if (explicitFee)
Assert.Equal(Money.Coins(0.00001m), fee);
Assert.Equal(-(Money.Coins(0.5m) + (substractFee ? Money.Zero : fee)), psbt.PSBT.GetBalance(userDerivationScheme, userExtKey));
psbt.PSBT.Finalize();
var tx = psbt.PSBT.ExtractTransaction();
Assert.True(tester.Client.Broadcast(tx).Success);
tester.Notifications.WaitForTransaction(userDerivationScheme, tx.GetHash());
utxos = tester.Client.GetUTXOs(userDerivationScheme);
if (i == 0)
Assert.Equal(2, utxos.GetUnspentCoins().Length);
Assert.Contains(utxos.GetUnspentCoins(), u => u.ScriptPubKey == psbt.ChangeAddress.ScriptPubKey);
Assert.Contains(utxos.Unconfirmed.UTXOs, u => u.ScriptPubKey == psbt.ChangeAddress.ScriptPubKey && u.Feature == DerivationFeature.Change);
}
var balance = tester.Client.GetUTXOs(userDerivationScheme).GetUnspentCoins().Select(c => c.Amount).Sum();
var psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
SweepAll = true
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.00001m),
}
});
Assert.Equal(-balance, psbt2.PSBT.GetBalance(userDerivationScheme, userExtKey));
Assert.Null(psbt2.ChangeAddress);
Logs.Tester.LogInformation("Let's check that if ReserveChangeAddress is false, all call to CreatePSBT send the same change address");
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
Amount = Money.Coins(0.3m),
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ReserveChangeAddress = false
});
var changeAddress = psbt2.ChangeAddress;
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
Amount = Money.Coins(0.3m),
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ReserveChangeAddress = false
});
Assert.Equal(changeAddress, psbt2.ChangeAddress);
Logs.Tester.LogInformation("Let's check that if ReserveChangeAddress is true, next call to CreatePSBT will create a new change address");
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
Amount = Money.Coins(0.3m),
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ReserveChangeAddress = true
});
Assert.Equal(changeAddress, psbt2.ChangeAddress);
var dest = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network);
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
RBF = false,
Seed = 0,
Destinations =
{
new CreatePSBTDestination()
{
Destination = dest,
Amount = Money.Coins(0.3m),
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ReserveChangeAddress = false
});
Assert.NotEqual(changeAddress, psbt2.ChangeAddress);
changeAddress = psbt2.ChangeAddress;
Logs.Tester.LogInformation("Let's check that we can use the reserved change as explicit change and end up with the same psbt");
var psbt3 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
RBF = false,
Seed = 0,
Destinations =
{
new CreatePSBTDestination()
{
Destination = dest,
Amount = Money.Coins(0.3m),
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ExplicitChangeAddress = psbt2.ChangeAddress
});
Assert.Equal(psbt2.PSBT, psbt3.PSBT);
Logs.Tester.LogInformation("Let's change that if ReserveChangeAddress is true, but the transaction fails to build, no address get reserverd");
var ex = Assert.Throws<NBXplorerException>(() => psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
Amount = Money.Coins(0.3m),
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(99999m),
},
ReserveChangeAddress = true
}));
Assert.False(psbt2.PSBT.GetOriginalTransaction().RBF);
Assert.Equal("not-enough-funds", ex.Error.Code);
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
RBF = true,
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
Amount = Money.Coins(0.3m),
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ReserveChangeAddress = false
});
Assert.True(psbt2.PSBT.GetOriginalTransaction().RBF);
Assert.Equal(changeAddress, psbt2.ChangeAddress);
foreach (var input in psbt2.PSBT.GetGlobalTransaction().Inputs)
{
Assert.Equal(new Sequence(Sequence.MAX_BIP125_RBF_SEQUENCE), input.Sequence);
}
Logs.Tester.LogInformation("Let's check that we can filter UTXO by confirmations");
Logs.Tester.LogInformation("We have no confirmation, so we should not have enough money if asking for min 1 conf");
ex = Assert.Throws<NBXplorerException>(() => psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
Amount = Money.Coins(0.3m),
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ReserveChangeAddress = false,
MinConfirmations = 1
}));
Assert.Equal("not-enough-funds", ex.Error.Code);
Logs.Tester.LogInformation("But if we mine, this should become ok");
tester.Explorer.Generate(1);
tester.WaitSynchronized();
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
Amount = Money.Coins(0.3m),
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ReserveChangeAddress = false,
MinConfirmations = 1
});
// We always signed with lowR so this should be always true
Assert.True(psbt2.Suggestions.ShouldEnforceLowR);
Logs.Tester.LogInformation("Let's check includeOutpoint and excludeOutpoints");
txId = tester.SendToAddress(newAddress.ScriptPubKey, Money.Coins(1.0m));
tester.Notifications.WaitForTransaction(userDerivationScheme, txId);
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
SweepAll = true
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ReserveChangeAddress = false
});
var outpoints = psbt2.PSBT.GetOriginalTransaction().Inputs.Select(i => i.PrevOut).ToArray();
Assert.Equal(2, outpoints.Length);
var request = new CreatePSBTRequest()
{
IncludeOnlyOutpoints = new List<OutPoint>() { outpoints[0] },
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
SweepAll = true
}
},
MinValue = Money.Coins(1.0m),
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ReserveChangeAddress = false
};
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, request);
var actualOutpoints = psbt2.PSBT.GetOriginalTransaction().Inputs.Select(i => i.PrevOut).ToArray();
Assert.Single(actualOutpoints);
Assert.Equal(outpoints[0], actualOutpoints[0]);
request.MinValue = Money.Coins(0.1m);
ex = Assert.Throws<NBXplorerException>(() => tester.Client.CreatePSBT(userDerivationScheme, request));
Assert.Equal("not-enough-funds", ex.Error.Code);
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
ExcludeOutpoints = new List<OutPoint>() { outpoints[0] },
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
SweepAll = true
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ReserveChangeAddress = false
});
actualOutpoints = psbt2.PSBT.GetOriginalTransaction().Inputs.Select(i => i.PrevOut).ToArray();
Assert.Single(actualOutpoints);
Assert.Equal(outpoints[1], actualOutpoints[0]);
Logs.Tester.LogInformation("Let's check nLocktime and version");
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Version = 2,
RBF = false,
LockTime = new LockTime(1_000_000),
ExcludeOutpoints = new List<OutPoint>() { outpoints[0] },
Destinations =
{
new CreatePSBTDestination()
{
Destination = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, tester.Network),
SweepAll = true
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ReserveChangeAddress = false
});
var txx = psbt2.PSBT.GetOriginalTransaction();
Assert.Equal(new LockTime(1_000_000), txx.LockTime);
Assert.Equal(2U, txx.Version);
Assert.False(txx.RBF);
foreach (var input in txx.Inputs)
{
Assert.Equal(Sequence.FeeSnipping, input.Sequence);
}
Logs.Tester.LogInformation("Spend to self should give us 2 outputs with hdkeys pre populated");
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = newAddress.Address,
Amount = Money.Coins(0.0001m)
},
new CreatePSBTDestination()
{
Destination = newAddress2.Address,
Amount = Money.Coins(0.0001m)
}
},
DiscourageFeeSniping = false,
RBF = false,
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ReserveChangeAddress = false
});
Assert.Equal(3, psbt2.PSBT.Outputs.Count);
Assert.Equal(2, psbt2.PSBT.Outputs.Where(o => o.HDKeyPaths.Any()).Count());
Assert.Single(psbt2.PSBT.Outputs.Where(o => o.HDKeyPaths.Any(h => h.Value.KeyPath == newAddress.KeyPath)));
foreach (var input in psbt2.PSBT.GetGlobalTransaction().Inputs)
{
Assert.Equal(Sequence.Final, input.Sequence);
}
Logs.Tester.LogInformation("Let's check if we can update the PSBT if information is missing");
var expected = psbt2.PSBT.Clone();
var actual = psbt2.PSBT.Clone();
foreach (var input in actual.Inputs)
{
input.HDKeyPaths.Clear();
input.WitnessUtxo = null;
input.WitnessScript = null;
input.NonWitnessUtxo = null;
}
foreach (var output in actual.Outputs)
{
output.HDKeyPaths.Clear();
output.WitnessScript = null;
}
Assert.NotEqual(expected, actual);
actual = tester.Client.UpdatePSBT(new UpdatePSBTRequest() { PSBT = actual, DerivationScheme = userDerivationScheme }).PSBT;
Assert.Equal(expected, actual);
Assert.All(expected.Inputs, i => Assert.Equal(type != ScriptPubKeyType.Legacy, i.NonWitnessUtxo is null));
Logs.Tester.LogInformation("We should be able to rebase hdkeys");
var rootHD = new HDFingerprint(new byte[] { 0x04, 0x01, 0x02, 0x04 });
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = newAddress.Address,
Amount = Money.Coins(0.0001m)
},
new CreatePSBTDestination()
{
Destination = newAddress2.Address,
Amount = Money.Coins(0.0001m)
}
},
FeePreference = new FeePreference()
{
ExplicitFee = Money.Coins(0.000001m),
},
ReserveChangeAddress = false,
RebaseKeyPaths = new List<PSBTRebaseKeyRules>()
{
new PSBTRebaseKeyRules()
{
AccountKey = userDerivationScheme.GetExtPubKeys().First().GetWif(tester.Network),
AccountKeyPath = new RootedKeyPath(rootHD, new KeyPath("49'/0'"))
}
},
IncludeGlobalXPub = true
});
var globalXPub = psbt2.PSBT.GlobalXPubs[userDerivationScheme.GetExtPubKeys().First().GetWif(tester.Network)];
Assert.Equal(new KeyPath("49'/0'"), globalXPub.KeyPath);
Assert.Equal(3, psbt2.PSBT.Outputs.Count);
Assert.Equal(2, psbt2.PSBT.Outputs.Where(o => o.HDKeyPaths.Any()).Count());
var selfchange = Assert.Single(psbt2.PSBT.Outputs.Where(o => o.HDKeyPaths.Any(h => h.Key.GetAddress(type, tester.Network).ScriptPubKey == newAddress.ScriptPubKey)));
Assert.All(psbt2.PSBT.Inputs.Concat<PSBTCoin>(new[] { selfchange }).SelectMany(i => i.HDKeyPaths), i =>
{
Assert.Equal(rootHD, i.Value.MasterFingerprint);
Assert.StartsWith("49'/0'", i.Value.KeyPath.ToString());
Assert.Equal(4, i.Value.KeyPath.Indexes.Length);
});
Logs.Tester.LogInformation("Let's check that if the explicit change is one of the destination, fee are calculated correctly");
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = newAddress.Address,
Amount = Money.Coins(0.0001m)
}
},
ExplicitChangeAddress = newAddress.Address,
FeePreference = new FeePreference()
{
FallbackFeeRate = new FeeRate(1.0m)
},
ReserveChangeAddress = true
});
Assert.True(psbt2.PSBT.TryGetEstimatedFeeRate(out var feeRate));
Assert.Equal(new FeeRate(1.0m), feeRate);
Logs.Tester.LogInformation("Let's check what happen when SubstractFees=true, but paying output doesn't have enough money");
foreach (Money tooLowAmount in new[] { Money.Satoshis(1000), Money.Satoshis(600) })
{
ex = Assert.Throws<NBXplorerException>(() => tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = newAddress.Address,
Amount = tooLowAmount,
SubstractFees = true
}
},
ExplicitChangeAddress = newAddress.Address,
FeePreference = new FeePreference()
{
ExplicitFee = Money.Satoshis(1001)
},
ReserveChangeAddress = true
}));
Assert.Equal("output-too-small", ex.Error.Code);
}
Logs.Tester.LogInformation("Let's check what happens when the amout to send is too low");
foreach (Money tooLowAmount in new[] { Money.Satoshis(100) })
{
ex = Assert.Throws<NBXplorerException>(() => tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =
{
new CreatePSBTDestination()
{
Destination = newAddress.Address,
Amount = tooLowAmount
},
},
FeePreference = new FeePreference()
{
FallbackFeeRate = new FeeRate(1.0m)
}
}));
Assert.Equal("output-too-small", ex.Error.Code);
Assert.Equal(OutputTooSmallException.ErrorType.TooSmallBeforeSubtractedFee.ToString(), ex.Error.Reason);
}
if (type == ScriptPubKeyType.Segwit || type == ScriptPubKeyType.TaprootBIP86)
{
// some PSBT signers are incompliant with spec and require the non_witness_utxo even for segwit inputs
Logs.Tester.LogInformation("Let's check that if we can create or update a psbt with non_witness_utxo filled even for segwit inputs");
psbt2 = tester.Client.CreatePSBT(userDerivationScheme, new CreatePSBTRequest()
{
Destinations =