mirror of
https://github.com/btcpayserver/btcpayserver.git
synced 2024-11-19 18:11:36 +01:00
28694859c9
* Wallet settings merge Merges both wallet settings screen from the wallets and the store section. Closes #2626. * Improve wallet transactions view * Remove unnecessary row/col construct
1178 lines
67 KiB
C#
1178 lines
67 KiB
C#
using System;
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using System.Linq;
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using System.Net.Http;
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using System.Text;
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using System.Threading.Tasks;
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using BTCPayServer.Abstractions.Models;
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using BTCPayServer.Client.Models;
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using BTCPayServer.Controllers;
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using BTCPayServer.Data;
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using BTCPayServer.Events;
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using BTCPayServer.Payments;
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using BTCPayServer.Payments.Bitcoin;
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using BTCPayServer.Payments.PayJoin;
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using BTCPayServer.Payments.PayJoin.Sender;
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using BTCPayServer.Services;
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using BTCPayServer.Services.Invoices;
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using BTCPayServer.Services.Wallets;
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using BTCPayServer.Tests.Logging;
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using BTCPayServer.Views.Wallets;
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using Microsoft.AspNetCore.Http;
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using NBitcoin;
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using BTCPayServer.BIP78.Sender;
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using BTCPayServer.Views.Stores;
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using NBitcoin.Payment;
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using NBitpayClient;
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using NBXplorer.DerivationStrategy;
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using NBXplorer.Models;
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using Newtonsoft.Json.Linq;
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using OpenQA.Selenium;
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using OpenQA.Selenium.Support.UI;
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using Xunit;
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using Xunit.Abstractions;
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namespace BTCPayServer.Tests
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{
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public class PayJoinTests
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{
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public const int TestTimeout = 60_000;
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public PayJoinTests(ITestOutputHelper helper)
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{
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Logs.Tester = new XUnitLog(helper) { Name = "Tests" };
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Logs.LogProvider = new XUnitLogProvider(helper);
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}
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[Fact]
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[Trait("Integration", "Integration")]
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public async Task CanUseTheDelayedBroadcaster()
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{
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using (var tester = ServerTester.Create())
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{
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await tester.StartAsync();
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var network = tester.NetworkProvider.GetNetwork<BTCPayNetwork>("BTC");
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var broadcaster = tester.PayTester.GetService<DelayedTransactionBroadcaster>();
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await broadcaster.Schedule(DateTimeOffset.UtcNow + TimeSpan.FromDays(500), RandomTransaction(network), network);
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var tx = RandomTransaction(network);
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await broadcaster.Schedule(DateTimeOffset.UtcNow - TimeSpan.FromDays(5), tx, network);
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// twice on same tx should be noop
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await broadcaster.Schedule(DateTimeOffset.UtcNow - TimeSpan.FromDays(5), tx, network);
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broadcaster.Disable();
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Assert.Equal(0, await broadcaster.ProcessAll());
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broadcaster.Enable();
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Assert.Equal(1, await broadcaster.ProcessAll());
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Assert.Equal(0, await broadcaster.ProcessAll());
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}
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}
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[Fact]
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[Trait("Integration", "Integration")]
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public async Task CanUsePayjoinRepository()
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{
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using (var tester = ServerTester.Create())
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{
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await tester.StartAsync();
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var network = tester.NetworkProvider.GetNetwork<BTCPayNetwork>("BTC");
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var repo = tester.PayTester.GetService<PayJoinRepository>();
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var outpoint = RandomOutpoint();
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// Should not be locked
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Assert.False(await repo.TryUnlock(outpoint));
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// Can lock input
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Assert.True(await repo.TryLockInputs(new[] { outpoint }));
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// Can't twice
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Assert.False(await repo.TryLockInputs(new[] { outpoint }));
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Assert.False(await repo.TryUnlock(outpoint));
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// Lock and unlock outpoint utxo
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Assert.True(await repo.TryLock(outpoint));
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Assert.True(await repo.TryUnlock(outpoint));
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Assert.False(await repo.TryUnlock(outpoint));
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// Make sure that if any can't be locked, all are not locked
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var outpoint1 = RandomOutpoint();
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var outpoint2 = RandomOutpoint();
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Assert.True(await repo.TryLockInputs(new[] { outpoint1 }));
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Assert.False(await repo.TryLockInputs(new[] { outpoint1, outpoint2 }));
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Assert.True(await repo.TryLockInputs(new[] { outpoint2 }));
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outpoint1 = RandomOutpoint();
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outpoint2 = RandomOutpoint();
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Assert.True(await repo.TryLockInputs(new[] { outpoint1 }));
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Assert.False(await repo.TryLockInputs(new[] { outpoint2, outpoint1 }));
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Assert.True(await repo.TryLockInputs(new[] { outpoint2 }));
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}
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}
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[Fact]
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[Trait("Integration", "Integration")]
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public async Task ChooseBestUTXOsForPayjoin()
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{
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using (var tester = ServerTester.Create())
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{
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await tester.StartAsync();
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var network = tester.NetworkProvider.GetNetwork<BTCPayNetwork>("BTC");
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var controller = tester.PayTester.GetService<PayJoinEndpointController>();
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//Only one utxo, so obvious result
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var utxos = new[] { FakeUTXO(1.0m) };
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var paymentAmount = 0.5m;
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var otherOutputs = new[] { 0.5m };
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var inputs = new[] { 1m };
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var result = await controller.SelectUTXO(network, utxos, inputs, paymentAmount, otherOutputs);
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Assert.Equal(PayJoinEndpointController.PayjoinUtxoSelectionType.Ordered, result.selectionType);
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Assert.Contains(result.selectedUTXO, utxo => utxos.Contains(utxo));
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//no matter what here, no good selection, it seems that payment with 1 utxo generally makes payjoin coin selection unperformant
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utxos = new[] { FakeUTXO(0.3m), FakeUTXO(0.7m) };
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paymentAmount = 0.5m;
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otherOutputs = new[] { 0.5m };
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inputs = new[] { 1m };
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result = await controller.SelectUTXO(network, utxos, inputs, paymentAmount, otherOutputs);
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Assert.Equal(PayJoinEndpointController.PayjoinUtxoSelectionType.Ordered, result.selectionType);
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//when there is no change, anything works
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utxos = new[] { FakeUTXO(1), FakeUTXO(0.1m), FakeUTXO(0.001m), FakeUTXO(0.003m) };
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paymentAmount = 0.5m;
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otherOutputs = new decimal[0];
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inputs = new[] { 0.03m, 0.07m };
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result = await controller.SelectUTXO(network, utxos, inputs, paymentAmount, otherOutputs);
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Assert.Equal(PayJoinEndpointController.PayjoinUtxoSelectionType.HeuristicBased, result.selectionType);
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}
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}
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private Transaction RandomTransaction(BTCPayNetwork network)
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{
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var tx = network.NBitcoinNetwork.CreateTransaction();
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tx.Inputs.Add(new OutPoint(RandomUtils.GetUInt256(), 0), Script.Empty);
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tx.Outputs.Add(Money.Coins(1.0m), new Key().GetScriptPubKey(ScriptPubKeyType.Legacy));
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return tx;
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}
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private UTXO FakeUTXO(decimal amount)
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{
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return new UTXO()
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{
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Value = new Money(amount, MoneyUnit.BTC),
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Outpoint = RandomOutpoint()
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};
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}
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private OutPoint RandomOutpoint()
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{
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return new OutPoint(RandomUtils.GetUInt256(), 0);
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}
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[Fact]
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[Trait("Integration", "Integration")]
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public async Task CanOnlyUseCorrectAddressFormatsForPayjoin()
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{
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using (var tester = ServerTester.Create())
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{
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await tester.StartAsync();
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var broadcaster = tester.PayTester.GetService<DelayedTransactionBroadcaster>();
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var payjoinRepository = tester.PayTester.GetService<PayJoinRepository>();
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broadcaster.Disable();
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var network = tester.NetworkProvider.GetNetwork<BTCPayNetwork>("BTC");
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var btcPayWallet = tester.PayTester.GetService<BTCPayWalletProvider>().GetWallet(network);
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var cashCow = tester.ExplorerNode;
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cashCow.Generate(2); // get some money in case
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var unsupportedFormats = new[] {ScriptPubKeyType.Legacy};
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foreach (ScriptPubKeyType senderAddressType in Enum.GetValues(typeof(ScriptPubKeyType)))
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{
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if (senderAddressType == ScriptPubKeyType.TaprootBIP86)
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continue;
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var senderUser = tester.NewAccount();
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senderUser.GrantAccess(true);
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senderUser.RegisterDerivationScheme("BTC", senderAddressType);
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foreach (ScriptPubKeyType receiverAddressType in Enum.GetValues(typeof(ScriptPubKeyType)))
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{
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if (receiverAddressType == ScriptPubKeyType.TaprootBIP86)
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continue;
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var senderCoin = await senderUser.ReceiveUTXO(Money.Satoshis(100000), network);
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Logs.Tester.LogInformation($"Testing payjoin with sender: {senderAddressType} receiver: {receiverAddressType}");
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var receiverUser = tester.NewAccount();
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receiverUser.GrantAccess(true);
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receiverUser.RegisterDerivationScheme("BTC", receiverAddressType, true);
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await receiverUser.ModifyOnchainPaymentSettings(p => p.PayJoinEnabled = true);
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var receiverCoin = await receiverUser.ReceiveUTXO(Money.Satoshis(810), network);
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string errorCode = receiverAddressType == senderAddressType ? null : "unavailable|any UTXO available";
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var invoice = receiverUser.BitPay.CreateInvoice(new Invoice() { Price = 50000, Currency = "sats", FullNotifications = true });
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if (unsupportedFormats.Contains(receiverAddressType))
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{
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Assert.Null(TestAccount.GetPayjoinBitcoinUrl(invoice, cashCow.Network));
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continue;
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}
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var invoiceAddress = BitcoinAddress.Create(invoice.BitcoinAddress, cashCow.Network);
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var txBuilder = network.NBitcoinNetwork.CreateTransactionBuilder();
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txBuilder.AddCoins(senderCoin);
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txBuilder.Send(invoiceAddress, invoice.BtcDue);
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txBuilder.SetChange(await senderUser.GetNewAddress(network));
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txBuilder.SendEstimatedFees(new FeeRate(50m));
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var psbt = txBuilder.BuildPSBT(false);
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psbt = await senderUser.Sign(psbt);
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var pj = await senderUser.SubmitPayjoin(invoice, psbt, errorCode, false);
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}
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}
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}
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}
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[Fact]
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[Trait("Selenium", "Selenium")]
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public async Task CanUsePayjoinForTopUp()
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{
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using (var s = SeleniumTester.Create())
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{
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await s.StartAsync();
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s.RegisterNewUser(true);
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var receiver = s.CreateNewStore();
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var receiverSeed = s.GenerateWallet("BTC", "", true, true, ScriptPubKeyType.Segwit);
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var receiverWalletId = new WalletId(receiver.storeId, "BTC");
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var sender = s.CreateNewStore();
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var senderSeed = s.GenerateWallet("BTC", "", true, true, ScriptPubKeyType.Segwit);
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var senderWalletId = new WalletId(sender.storeId, "BTC");
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await s.Server.ExplorerNode.GenerateAsync(1);
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await s.FundStoreWallet(senderWalletId);
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await s.FundStoreWallet(receiverWalletId);
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var invoiceId = s.CreateInvoice(receiver.storeName, null, "BTC");
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s.GoToInvoiceCheckout(invoiceId);
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var bip21 = s.Driver.FindElement(By.ClassName("payment__details__instruction__open-wallet__btn"))
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.GetAttribute("href");
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Assert.Contains($"{PayjoinClient.BIP21EndpointKey}=", bip21);
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s.GoToWallet(senderWalletId, WalletsNavPages.Send);
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s.Driver.FindElement(By.Id("bip21parse")).Click();
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s.Driver.SwitchTo().Alert().SendKeys(bip21);
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s.Driver.SwitchTo().Alert().Accept();
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s.Driver.FindElementUntilNotStaled(By.Id("Outputs_0__Amount"), we => we.Clear());
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s.Driver.FindElementUntilNotStaled(By.Id("Outputs_0__Amount"), we => we.SendKeys("0.023"));
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s.Driver.FindElement(By.Id("SignTransaction")).Click();
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await s.Server.WaitForEvent<NewOnChainTransactionEvent>(() =>
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{
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s.Driver.FindElement(By.CssSelector("button[value=payjoin]")).Click();
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return Task.CompletedTask;
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});
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s.FindAlertMessage(StatusMessageModel.StatusSeverity.Success);
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var invoiceRepository = s.Server.PayTester.GetService<InvoiceRepository>();
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await TestUtils.EventuallyAsync(async () =>
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{
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var invoice = await invoiceRepository.GetInvoice(invoiceId);
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Assert.Equal(InvoiceStatusLegacy.Paid, invoice.Status);
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Assert.Equal(0.023m, invoice.Price);
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});
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}
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}
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[Fact]
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[Trait("Selenium", "Selenium")]
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public async Task CanUsePayjoinViaUI()
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{
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using (var s = SeleniumTester.Create())
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{
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await s.StartAsync();
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var invoiceRepository = s.Server.PayTester.GetService<InvoiceRepository>();
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s.RegisterNewUser(true);
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foreach (var format in new []{ScriptPubKeyType.Segwit, ScriptPubKeyType.SegwitP2SH})
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{
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var cryptoCode = "BTC";
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var receiver = s.CreateNewStore();
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var receiverSeed = s.GenerateWallet(cryptoCode, "", true, true, format);
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var receiverWalletId = new WalletId(receiver.storeId, cryptoCode);
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//payjoin is enabled by default.
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var invoiceId = s.CreateInvoice(receiver.storeName);
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s.GoToInvoiceCheckout(invoiceId);
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var bip21 = s.Driver.FindElement(By.ClassName("payment__details__instruction__open-wallet__btn"))
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.GetAttribute("href");
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Assert.Contains($"{PayjoinClient.BIP21EndpointKey}=", bip21);
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s.GoToWalletSettings(receiver.storeId, cryptoCode);
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Assert.True(s.Driver.FindElement(By.Id("PayJoinEnabled")).Selected);
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var sender = s.CreateNewStore();
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var senderSeed = s.GenerateWallet(cryptoCode, "", true, true, format);
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var senderWalletId = new WalletId(sender.storeId, cryptoCode);
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await s.Server.ExplorerNode.GenerateAsync(1);
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await s.FundStoreWallet(senderWalletId);
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invoiceId = s.CreateInvoice(receiver.storeName);
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s.GoToInvoiceCheckout(invoiceId);
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bip21 = s.Driver.FindElement(By.ClassName("payment__details__instruction__open-wallet__btn"))
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.GetAttribute("href");
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Assert.Contains($"{PayjoinClient.BIP21EndpointKey}=", bip21);
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s.GoToWallet(senderWalletId, WalletsNavPages.Send);
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s.Driver.FindElement(By.Id("bip21parse")).Click();
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s.Driver.SwitchTo().Alert().SendKeys(bip21);
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s.Driver.SwitchTo().Alert().Accept();
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Assert.False(string.IsNullOrEmpty(s.Driver.FindElement(By.Id("PayJoinBIP21"))
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.GetAttribute("value")));
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s.Driver.FindElement(By.Id("SignTransaction")).Click();
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await s.Server.WaitForEvent<NewOnChainTransactionEvent>(() =>
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{
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s.Driver.FindElement(By.CssSelector("button[value=payjoin]")).Click();
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return Task.CompletedTask;
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});
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//no funds in receiver wallet to do payjoin
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s.FindAlertMessage(StatusMessageModel.StatusSeverity.Warning);
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await TestUtils.EventuallyAsync(async () =>
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{
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var invoice = await s.Server.PayTester.GetService<InvoiceRepository>().GetInvoice(invoiceId);
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Assert.Equal(InvoiceStatusLegacy.Paid, invoice.Status);
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});
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s.GoToInvoices();
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var paymentValueRowColumn = s.Driver.FindElement(By.Id($"invoice_details_{invoiceId}"))
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.FindElement(By.ClassName("payment-value"));
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Assert.False(paymentValueRowColumn.Text.Contains("payjoin",
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StringComparison.InvariantCultureIgnoreCase));
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//let's do it all again, except now the receiver has funds and is able to payjoin
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invoiceId = s.CreateInvoice(receiver.storeName);
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s.GoToInvoiceCheckout(invoiceId);
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bip21 = s.Driver.FindElement(By.ClassName("payment__details__instruction__open-wallet__btn"))
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.GetAttribute("href");
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Assert.Contains($"{PayjoinClient.BIP21EndpointKey}", bip21);
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s.GoToWallet(senderWalletId, WalletsNavPages.Send);
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s.Driver.FindElement(By.Id("bip21parse")).Click();
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s.Driver.SwitchTo().Alert().SendKeys(bip21);
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s.Driver.SwitchTo().Alert().Accept();
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Assert.False(string.IsNullOrEmpty(s.Driver.FindElement(By.Id("PayJoinBIP21"))
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.GetAttribute("value")));
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s.Driver.FindElement(By.Id("FeeSatoshiPerByte")).Clear();
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s.Driver.FindElement(By.Id("FeeSatoshiPerByte")).SendKeys("2");
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s.Driver.FindElement(By.Id("SignTransaction")).Click();
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var txId = await s.Server.WaitForEvent<NewOnChainTransactionEvent>(() =>
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{
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s.Driver.FindElement(By.CssSelector("button[value=payjoin]")).Click();
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return Task.CompletedTask;
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});
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s.FindAlertMessage(StatusMessageModel.StatusSeverity.Success);
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await TestUtils.EventuallyAsync(async () =>
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{
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var invoice = await invoiceRepository.GetInvoice(invoiceId);
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var payments = invoice.GetPayments(false);
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Assert.Equal(2, payments.Count);
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var originalPayment = payments[0];
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var coinjoinPayment = payments[1];
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Assert.Equal(-1,
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((BitcoinLikePaymentData)originalPayment.GetCryptoPaymentData()).ConfirmationCount);
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Assert.Equal(0,
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((BitcoinLikePaymentData)coinjoinPayment.GetCryptoPaymentData()).ConfirmationCount);
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Assert.False(originalPayment.Accounted);
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Assert.True(coinjoinPayment.Accounted);
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Assert.Equal(((BitcoinLikePaymentData)originalPayment.GetCryptoPaymentData()).Value,
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((BitcoinLikePaymentData)coinjoinPayment.GetCryptoPaymentData()).Value);
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Assert.Equal(originalPayment.GetCryptoPaymentData()
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.AssertType<BitcoinLikePaymentData>()
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.Value,
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coinjoinPayment.GetCryptoPaymentData()
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.AssertType<BitcoinLikePaymentData>()
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.Value);
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});
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await TestUtils.EventuallyAsync(async () =>
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{
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var invoice = await s.Server.PayTester.GetService<InvoiceRepository>().GetInvoice(invoiceId);
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var dto = invoice.EntityToDTO();
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Assert.Equal(InvoiceStatusLegacy.Paid, invoice.Status);
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});
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s.GoToInvoices();
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paymentValueRowColumn = s.Driver.FindElement(By.Id($"invoice_details_{invoiceId}"))
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.FindElement(By.ClassName("payment-value"));
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Assert.False(paymentValueRowColumn.Text.Contains("payjoin",
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StringComparison.InvariantCultureIgnoreCase));
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TestUtils.Eventually(() =>
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{
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s.GoToWallet(receiverWalletId, WalletsNavPages.Transactions);
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Assert.Contains(invoiceId, s.Driver.PageSource);
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Assert.Contains("payjoin", s.Driver.PageSource);
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//this label does not always show since input gets used
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// Assert.Contains("payjoin-exposed", s.Driver.PageSource);
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});
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}
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}
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}
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[Fact]
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[Trait("Integration", "Integration")]
|
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public async Task CanUsePayjoin2()
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{
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using (var tester = ServerTester.Create())
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{
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await tester.StartAsync();
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var pjClient = tester.PayTester.GetService<PayjoinClient>();
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var nbx = tester.PayTester.GetService<ExplorerClientProvider>().GetExplorerClient("BTC");
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var notifications = await nbx.CreateWebsocketNotificationSessionAsync();
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var alice = tester.NewAccount();
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await alice.RegisterDerivationSchemeAsync("BTC", ScriptPubKeyType.Segwit, true);
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await notifications.ListenDerivationSchemesAsync(new[] { alice.DerivationScheme });
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BitcoinAddress address = null;
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for (int i = 0; i < 5; i++)
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{
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address = (await nbx.GetUnusedAsync(alice.DerivationScheme, DerivationFeature.Deposit)).Address;
|
|
await tester.ExplorerNode.GenerateAsync(1);
|
|
tester.ExplorerNode.SendToAddress(address, Money.Coins(1.0m));
|
|
await notifications.NextEventAsync();
|
|
}
|
|
var paymentAddress = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, Network.RegTest);
|
|
var otherAddress = new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, Network.RegTest);
|
|
var psbt = (await nbx.CreatePSBTAsync(alice.DerivationScheme, new CreatePSBTRequest()
|
|
{
|
|
Destinations =
|
|
{
|
|
new CreatePSBTDestination()
|
|
{
|
|
Amount = Money.Coins(0.5m),
|
|
Destination = paymentAddress
|
|
},
|
|
new CreatePSBTDestination()
|
|
{
|
|
Amount = Money.Coins(0.1m),
|
|
Destination = otherAddress
|
|
}
|
|
},
|
|
FeePreference = new FeePreference()
|
|
{
|
|
ExplicitFee = Money.Satoshis(3000)
|
|
}
|
|
})).PSBT;
|
|
int paymentIndex = 0;
|
|
int changeIndex = 0;
|
|
int otherIndex = 0;
|
|
for (int i = 0; i < psbt.Outputs.Count; i++)
|
|
{
|
|
if (psbt.Outputs[i].Value == Money.Coins(0.5m))
|
|
paymentIndex = i;
|
|
else if (psbt.Outputs[i].Value == Money.Coins(0.1m))
|
|
otherIndex = i;
|
|
else
|
|
changeIndex = i;
|
|
}
|
|
|
|
var derivationSchemeSettings = alice.GetController<WalletsController>().GetDerivationSchemeSettings(new WalletId(alice.StoreId, "BTC"));
|
|
var signingAccount = derivationSchemeSettings.GetSigningAccountKeySettings();
|
|
psbt.SignAll(derivationSchemeSettings.AccountDerivation, alice.GenerateWalletResponseV.AccountHDKey, signingAccount.GetRootedKeyPath());
|
|
using var fakeServer = new FakeServer();
|
|
await fakeServer.Start();
|
|
var bip21 = new BitcoinUrlBuilder($"bitcoin:{paymentAddress}?pj={fakeServer.ServerUri}", Network.RegTest);
|
|
var requesting = pjClient.RequestPayjoin(bip21, new PayjoinWallet(derivationSchemeSettings), psbt, default);
|
|
var request = await fakeServer.GetNextRequest();
|
|
Assert.Equal("1", request.Request.Query["v"][0]);
|
|
Assert.Equal(changeIndex.ToString(), request.Request.Query["additionalfeeoutputindex"][0]);
|
|
Assert.Equal("1146", request.Request.Query["maxadditionalfeecontribution"][0]);
|
|
|
|
Logs.Tester.LogInformation("The payjoin receiver tries to make us pay lots of fee");
|
|
var originalPSBT = await ParsePSBT(request);
|
|
var proposalTx = originalPSBT.GetGlobalTransaction();
|
|
proposalTx.Outputs[changeIndex].Value -= Money.Satoshis(1147);
|
|
await request.Response.WriteAsync(PSBT.FromTransaction(proposalTx, Network.RegTest).ToBase64(), Encoding.UTF8);
|
|
fakeServer.Done();
|
|
var ex = await Assert.ThrowsAsync<PayjoinSenderException>(async () => await requesting);
|
|
Assert.Contains("contribution is more than maxadditionalfeecontribution", ex.Message);
|
|
|
|
Logs.Tester.LogInformation("The payjoin receiver tries to change one of our output");
|
|
requesting = pjClient.RequestPayjoin(bip21, new PayjoinWallet(derivationSchemeSettings), psbt, default);
|
|
request = await fakeServer.GetNextRequest();
|
|
originalPSBT = await ParsePSBT(request);
|
|
proposalTx = originalPSBT.GetGlobalTransaction();
|
|
proposalTx.Outputs[otherIndex].Value -= Money.Satoshis(1);
|
|
await request.Response.WriteAsync(PSBT.FromTransaction(proposalTx, Network.RegTest).ToBase64(), Encoding.UTF8);
|
|
fakeServer.Done();
|
|
ex = await Assert.ThrowsAsync<PayjoinSenderException>(async () => await requesting);
|
|
Assert.Contains("The receiver decreased the value of one", ex.Message);
|
|
Logs.Tester.LogInformation("The payjoin receiver tries to pocket the fee");
|
|
requesting = pjClient.RequestPayjoin(bip21, new PayjoinWallet(derivationSchemeSettings), psbt, default);
|
|
request = await fakeServer.GetNextRequest();
|
|
originalPSBT = await ParsePSBT(request);
|
|
proposalTx = originalPSBT.GetGlobalTransaction();
|
|
proposalTx.Outputs[paymentIndex].Value += Money.Satoshis(1);
|
|
await request.Response.WriteAsync(PSBT.FromTransaction(proposalTx, Network.RegTest).ToBase64(), Encoding.UTF8);
|
|
fakeServer.Done();
|
|
ex = await Assert.ThrowsAsync<PayjoinSenderException>(async () => await requesting);
|
|
Assert.Contains("The receiver decreased absolute fee", ex.Message);
|
|
|
|
Logs.Tester.LogInformation("The payjoin receiver tries to remove one of our output");
|
|
requesting = pjClient.RequestPayjoin(bip21, new PayjoinWallet(derivationSchemeSettings), psbt, default);
|
|
request = await fakeServer.GetNextRequest();
|
|
originalPSBT = await ParsePSBT(request);
|
|
proposalTx = originalPSBT.GetGlobalTransaction();
|
|
var removedOutput = proposalTx.Outputs.First(o => o.ScriptPubKey == otherAddress.ScriptPubKey);
|
|
proposalTx.Outputs.Remove(removedOutput);
|
|
await request.Response.WriteAsync(PSBT.FromTransaction(proposalTx, Network.RegTest).ToBase64(), Encoding.UTF8);
|
|
fakeServer.Done();
|
|
ex = await Assert.ThrowsAsync<PayjoinSenderException>(async () => await requesting);
|
|
Assert.Contains("Some of our outputs are not included in the proposal", ex.Message);
|
|
|
|
Logs.Tester.LogInformation("The payjoin receiver tries to change their own output");
|
|
requesting = pjClient.RequestPayjoin(bip21, new PayjoinWallet(derivationSchemeSettings), psbt, default);
|
|
request = await fakeServer.GetNextRequest();
|
|
originalPSBT = await ParsePSBT(request);
|
|
proposalTx = originalPSBT.GetGlobalTransaction();
|
|
proposalTx.Outputs.First(o => o.ScriptPubKey == paymentAddress.ScriptPubKey).Value -= Money.Satoshis(1);
|
|
await request.Response.WriteAsync(PSBT.FromTransaction(proposalTx, Network.RegTest).ToBase64(), Encoding.UTF8);
|
|
fakeServer.Done();
|
|
await requesting;
|
|
|
|
|
|
Logs.Tester.LogInformation("The payjoin receiver tries to send money to himself");
|
|
pjClient.MaxFeeBumpContribution = Money.Satoshis(1);
|
|
requesting = pjClient.RequestPayjoin(bip21, new PayjoinWallet(derivationSchemeSettings), psbt, default);
|
|
request = await fakeServer.GetNextRequest();
|
|
originalPSBT = await ParsePSBT(request);
|
|
proposalTx = originalPSBT.GetGlobalTransaction();
|
|
proposalTx.Outputs[paymentIndex].Value += Money.Satoshis(1);
|
|
proposalTx.Outputs[changeIndex].Value -= Money.Satoshis(1);
|
|
await request.Response.WriteAsync(PSBT.FromTransaction(proposalTx, Network.RegTest).ToBase64(), Encoding.UTF8);
|
|
fakeServer.Done();
|
|
ex = await Assert.ThrowsAsync<PayjoinSenderException>(async () => await requesting);
|
|
Assert.Contains("is not only paying fee", ex.Message);
|
|
pjClient.MaxFeeBumpContribution = null;
|
|
Logs.Tester.LogInformation("The payjoin receiver can't use additional fee without adding inputs");
|
|
pjClient.MinimumFeeRate = new FeeRate(50m);
|
|
requesting = pjClient.RequestPayjoin(bip21, new PayjoinWallet(derivationSchemeSettings), psbt, default);
|
|
request = await fakeServer.GetNextRequest();
|
|
originalPSBT = await ParsePSBT(request);
|
|
proposalTx = originalPSBT.GetGlobalTransaction();
|
|
proposalTx.Outputs[changeIndex].Value -= Money.Satoshis(1146);
|
|
await request.Response.WriteAsync(PSBT.FromTransaction(proposalTx, Network.RegTest).ToBase64(), Encoding.UTF8);
|
|
fakeServer.Done();
|
|
ex = await Assert.ThrowsAsync<PayjoinSenderException>(async () => await requesting);
|
|
Assert.Contains("is not only paying for additional inputs", ex.Message);
|
|
pjClient.MinimumFeeRate = null;
|
|
|
|
Logs.Tester.LogInformation("Make sure the receiver implementation do not take more fee than allowed");
|
|
var bob = tester.NewAccount();
|
|
await bob.GrantAccessAsync();
|
|
await bob.RegisterDerivationSchemeAsync("BTC", ScriptPubKeyType.Segwit, true);
|
|
|
|
await notifications.DisposeAsync();
|
|
notifications = await nbx.CreateWebsocketNotificationSessionAsync();
|
|
await notifications.ListenDerivationSchemesAsync(new[] { bob.DerivationScheme });
|
|
address = (await nbx.GetUnusedAsync(bob.DerivationScheme, DerivationFeature.Deposit)).Address;
|
|
tester.ExplorerNode.SendToAddress(address, Money.Coins(1.1m));
|
|
await notifications.NextEventAsync();
|
|
await bob.ModifyOnchainPaymentSettings(p => p.PayJoinEnabled = true);
|
|
var invoice = bob.BitPay.CreateInvoice(
|
|
new Invoice { Price = 0.1m, Currency = "BTC", FullNotifications = true });
|
|
var invoiceBIP21 = new BitcoinUrlBuilder(invoice.CryptoInfo.First().PaymentUrls.BIP21,
|
|
tester.ExplorerClient.Network.NBitcoinNetwork);
|
|
|
|
psbt = (await nbx.CreatePSBTAsync(alice.DerivationScheme, new CreatePSBTRequest()
|
|
{
|
|
Destinations =
|
|
{
|
|
new CreatePSBTDestination()
|
|
{
|
|
Amount = invoiceBIP21.Amount,
|
|
Destination = invoiceBIP21.Address
|
|
}
|
|
},
|
|
FeePreference = new FeePreference()
|
|
{
|
|
ExplicitFee = Money.Satoshis(3001)
|
|
}
|
|
})).PSBT;
|
|
psbt.SignAll(derivationSchemeSettings.AccountDerivation, alice.GenerateWalletResponseV.AccountHDKey, signingAccount.GetRootedKeyPath());
|
|
var endpoint = TestAccount.GetPayjoinBitcoinUrl(invoice, Network.RegTest);
|
|
pjClient.MaxFeeBumpContribution = Money.Satoshis(50);
|
|
var proposal = await pjClient.RequestPayjoin(endpoint, new PayjoinWallet(derivationSchemeSettings), psbt, default);
|
|
Assert.True(proposal.TryGetFee(out var newFee));
|
|
Assert.Equal(Money.Satoshis(3001 + 50), newFee);
|
|
proposal = proposal.SignAll(derivationSchemeSettings.AccountDerivation, alice.GenerateWalletResponseV.AccountHDKey, signingAccount.GetRootedKeyPath());
|
|
proposal.Finalize();
|
|
await tester.ExplorerNode.SendRawTransactionAsync(proposal.ExtractTransaction());
|
|
await notifications.NextEventAsync();
|
|
|
|
Logs.Tester.LogInformation("Abusing minFeeRate should give not enough money error");
|
|
invoice = bob.BitPay.CreateInvoice(
|
|
new Invoice() { Price = 0.1m, Currency = "BTC", FullNotifications = true });
|
|
invoiceBIP21 = new BitcoinUrlBuilder(invoice.CryptoInfo.First().PaymentUrls.BIP21,
|
|
tester.ExplorerClient.Network.NBitcoinNetwork);
|
|
psbt = (await nbx.CreatePSBTAsync(alice.DerivationScheme, new CreatePSBTRequest()
|
|
{
|
|
Destinations =
|
|
{
|
|
new CreatePSBTDestination()
|
|
{
|
|
Amount = invoiceBIP21.Amount,
|
|
Destination = invoiceBIP21.Address
|
|
}
|
|
},
|
|
FeePreference = new FeePreference()
|
|
{
|
|
ExplicitFee = Money.Satoshis(3001)
|
|
}
|
|
})).PSBT;
|
|
psbt.SignAll(derivationSchemeSettings.AccountDerivation, alice.GenerateWalletResponseV.AccountHDKey, signingAccount.GetRootedKeyPath());
|
|
endpoint = TestAccount.GetPayjoinBitcoinUrl(invoice, Network.RegTest);
|
|
pjClient.MinimumFeeRate = new FeeRate(100_000_000.2m);
|
|
var ex2 = await Assert.ThrowsAsync<PayjoinReceiverException>(async () => await pjClient.RequestPayjoin(endpoint, new PayjoinWallet(derivationSchemeSettings), psbt, default));
|
|
Assert.Equal(PayjoinReceiverWellknownErrors.NotEnoughMoney, ex2.WellknownError);
|
|
}
|
|
}
|
|
|
|
private static async Task<PSBT> ParsePSBT(Microsoft.AspNetCore.Http.HttpContext request)
|
|
{
|
|
var bytes = await request.Request.Body.ReadBytesAsync(int.Parse(request.Request.Headers["Content-Length"].First()));
|
|
var str = Encoding.UTF8.GetString(bytes);
|
|
return PSBT.Parse(str, Network.RegTest);
|
|
}
|
|
|
|
[Fact]
|
|
[Trait("Integration", "Integration")]
|
|
public async Task CanUsePayjoinFeeCornerCase()
|
|
{
|
|
using (var tester = ServerTester.Create())
|
|
{
|
|
await tester.StartAsync();
|
|
var broadcaster = tester.PayTester.GetService<DelayedTransactionBroadcaster>();
|
|
var payjoinRepository = tester.PayTester.GetService<PayJoinRepository>();
|
|
broadcaster.Disable();
|
|
var network = tester.NetworkProvider.GetNetwork<BTCPayNetwork>("BTC");
|
|
var btcPayWallet = tester.PayTester.GetService<BTCPayWalletProvider>().GetWallet(network);
|
|
var cashCow = tester.ExplorerNode;
|
|
cashCow.Generate(2); // get some money in case
|
|
|
|
var senderUser = tester.NewAccount();
|
|
senderUser.GrantAccess(true);
|
|
senderUser.RegisterDerivationScheme("BTC", ScriptPubKeyType.Segwit);
|
|
|
|
var receiverUser = tester.NewAccount();
|
|
receiverUser.GrantAccess(true);
|
|
receiverUser.RegisterDerivationScheme("BTC", ScriptPubKeyType.Segwit, true);
|
|
await receiverUser.ModifyOnchainPaymentSettings(p => p.PayJoinEnabled = true);
|
|
var receiverCoin = await receiverUser.ReceiveUTXO(Money.Satoshis(810), network);
|
|
string lastInvoiceId = null;
|
|
|
|
var vector = (SpentCoin: Money.Satoshis(810), InvoiceAmount: Money.Satoshis(700), Paid: Money.Satoshis(700), Fee: Money.Satoshis(110), InvoicePaid: true, ExpectedError: "not-enough-money", OriginalTxBroadcasted: true);
|
|
async Task<PSBT> RunVector(bool skipLockedCheck = false)
|
|
{
|
|
var coin = await senderUser.ReceiveUTXO(vector.SpentCoin, network);
|
|
var invoice = receiverUser.BitPay.CreateInvoice(new Invoice() { Price = vector.InvoiceAmount.ToDecimal(MoneyUnit.BTC), Currency = "BTC", FullNotifications = true });
|
|
lastInvoiceId = invoice.Id;
|
|
var invoiceAddress = BitcoinAddress.Create(invoice.BitcoinAddress, cashCow.Network);
|
|
var txBuilder = network.NBitcoinNetwork.CreateTransactionBuilder();
|
|
txBuilder.OptInRBF = true;
|
|
txBuilder.AddCoins(coin);
|
|
txBuilder.Send(invoiceAddress, vector.Paid);
|
|
txBuilder.SendFees(vector.Fee);
|
|
txBuilder.SetChange(await senderUser.GetNewAddress(network));
|
|
var psbt = txBuilder.BuildPSBT(false);
|
|
psbt = await senderUser.Sign(psbt);
|
|
var pj = await senderUser.SubmitPayjoin(invoice, psbt, vector.ExpectedError);
|
|
if (vector.ExpectedError is null)
|
|
{
|
|
Assert.Contains(pj.Inputs, o => o.PrevOut == receiverCoin.Outpoint);
|
|
foreach (var input in pj.GetGlobalTransaction().Inputs)
|
|
{
|
|
Assert.Equal(Sequence.OptInRBF, input.Sequence);
|
|
}
|
|
if (!skipLockedCheck)
|
|
Assert.True(await payjoinRepository.TryUnlock(receiverCoin.Outpoint));
|
|
}
|
|
else
|
|
{
|
|
Assert.Null(pj);
|
|
if (!skipLockedCheck)
|
|
Assert.False(await payjoinRepository.TryUnlock(receiverCoin.Outpoint));
|
|
}
|
|
|
|
if (vector.InvoicePaid)
|
|
{
|
|
await TestUtils.EventuallyAsync(async () =>
|
|
{
|
|
invoice = await receiverUser.BitPay.GetInvoiceAsync(invoice.Id);
|
|
Assert.Equal("paid", invoice.Status);
|
|
});
|
|
}
|
|
|
|
psbt.Finalize();
|
|
var broadcasted = await tester.PayTester.GetService<ExplorerClientProvider>().GetExplorerClient("BTC").BroadcastAsync(psbt.ExtractTransaction(), true);
|
|
if (vector.OriginalTxBroadcasted)
|
|
{
|
|
Assert.Equal("txn-already-in-mempool", broadcasted.RPCCodeMessage);
|
|
}
|
|
else
|
|
{
|
|
Assert.True(broadcasted.Success);
|
|
}
|
|
receiverCoin = await receiverUser.ReceiveUTXO(receiverCoin.Amount, network);
|
|
await LockAllButReceiverCoin();
|
|
return pj;
|
|
}
|
|
|
|
async Task LockAllButReceiverCoin()
|
|
{
|
|
var coins = await btcPayWallet.GetUnspentCoins(receiverUser.DerivationScheme);
|
|
foreach (var coin in coins)
|
|
{
|
|
if (coin.OutPoint != receiverCoin.Outpoint)
|
|
await payjoinRepository.TryLock(coin.OutPoint);
|
|
else
|
|
await payjoinRepository.TryUnlock(coin.OutPoint);
|
|
}
|
|
}
|
|
|
|
Logs.Tester.LogInformation("Here we send exactly the right amount. This should fails as\n" +
|
|
"there is not enough to pay the additional payjoin input. (going below the min relay fee" +
|
|
"However, the original tx has been broadcasted!");
|
|
vector = (SpentCoin: Money.Satoshis(810), InvoiceAmount: Money.Satoshis(700), Paid: Money.Satoshis(700), Fee: Money.Satoshis(110), InvoicePaid: true, ExpectedError: "not-enough-money", OriginalTxBroadcasted: true);
|
|
await RunVector();
|
|
|
|
Logs.Tester.LogInformation("We don't pay enough");
|
|
vector = (SpentCoin: Money.Satoshis(810), InvoiceAmount: Money.Satoshis(700), Paid: Money.Satoshis(690), Fee: Money.Satoshis(110), InvoicePaid: false, ExpectedError: "invoice-not-fully-paid", OriginalTxBroadcasted: true);
|
|
await RunVector();
|
|
|
|
Logs.Tester.LogInformation("We pay correctly");
|
|
vector = (SpentCoin: Money.Satoshis(810), InvoiceAmount: Money.Satoshis(500), Paid: Money.Satoshis(500), Fee: Money.Satoshis(110), InvoicePaid: true, ExpectedError: null as string, OriginalTxBroadcasted: false);
|
|
await RunVector();
|
|
|
|
PSBT proposedPSBT = null;
|
|
var outputCountReceived = new bool[2];
|
|
do
|
|
{
|
|
Logs.Tester.LogInformation("We pay a little bit more the invoice with enough fees to support additional input\n" +
|
|
"The receiver should have added a fake output");
|
|
vector = (SpentCoin: Money.Satoshis(910), InvoiceAmount: Money.Satoshis(500), Paid: Money.Satoshis(700), Fee: Money.Satoshis(110), InvoicePaid: true, ExpectedError: null as string, OriginalTxBroadcasted: false);
|
|
proposedPSBT = await RunVector();
|
|
Assert.True(proposedPSBT.Outputs.Count == 1 || proposedPSBT.Outputs.Count == 2);
|
|
outputCountReceived[proposedPSBT.Outputs.Count - 1] = true;
|
|
cashCow.Generate(1);
|
|
} while (outputCountReceived.All(o => o));
|
|
|
|
Logs.Tester.LogInformation("We pay correctly, but no utxo\n" +
|
|
"However, this has the side effect of having the receiver broadcasting the original tx");
|
|
await payjoinRepository.TryLock(receiverCoin.Outpoint);
|
|
vector = (SpentCoin: Money.Satoshis(810), InvoiceAmount: Money.Satoshis(500), Paid: Money.Satoshis(500), Fee: Money.Satoshis(110), InvoicePaid: true, ExpectedError: "unavailable|any UTXO available", OriginalTxBroadcasted: true);
|
|
await RunVector(true);
|
|
|
|
var originalSenderUser = senderUser;
|
|
retry:
|
|
// Additional fee is 96 , minrelaytx is 294
|
|
// We pay correctly, fees partially taken from what is overpaid
|
|
// We paid 510, the receiver pay 10 sat
|
|
// The send pay remaining 86 sat from his pocket
|
|
// So total paid by sender should be 86 + 510 + 200 so we should get 1090 - (86 + 510 + 200) == 294 back)
|
|
Logs.Tester.LogInformation($"Check if we can take fee on overpaid utxo{(senderUser == receiverUser ? " (to self)" : "")}");
|
|
vector = (SpentCoin: Money.Satoshis(1090), InvoiceAmount: Money.Satoshis(500), Paid: Money.Satoshis(510), Fee: Money.Satoshis(200), InvoicePaid: true, ExpectedError: null as string, OriginalTxBroadcasted: false);
|
|
proposedPSBT = await RunVector();
|
|
Assert.Equal(2, proposedPSBT.Outputs.Count);
|
|
Assert.Contains(proposedPSBT.Outputs, o => o.Value == Money.Satoshis(500) + receiverCoin.Amount);
|
|
Assert.Contains(proposedPSBT.Outputs, o => o.Value == Money.Satoshis(294));
|
|
proposedPSBT = await senderUser.Sign(proposedPSBT);
|
|
proposedPSBT = proposedPSBT.Finalize();
|
|
var explorerClient = tester.PayTester.GetService<ExplorerClientProvider>().GetExplorerClient(proposedPSBT.Network.NetworkSet.CryptoCode);
|
|
var result = await explorerClient.BroadcastAsync(proposedPSBT.ExtractTransaction());
|
|
Assert.True(result.Success);
|
|
Logs.Tester.LogInformation($"We broadcasted the payjoin {proposedPSBT.ExtractTransaction().GetHash()}");
|
|
Logs.Tester.LogInformation($"Let's make sure that the coinjoin is not over paying, since the 10 overpaid sats have gone to fee");
|
|
await TestUtils.EventuallyAsync(async () =>
|
|
{
|
|
var invoice = await tester.PayTester.GetService<InvoiceRepository>().GetInvoice(lastInvoiceId);
|
|
Assert.Equal(InvoiceStatusLegacy.Paid, invoice.Status);
|
|
Assert.Equal(InvoiceExceptionStatus.None, invoice.ExceptionStatus);
|
|
var coins = await btcPayWallet.GetUnspentCoins(receiverUser.DerivationScheme);
|
|
foreach (var coin in coins)
|
|
await payjoinRepository.TryLock(coin.OutPoint);
|
|
});
|
|
tester.ExplorerNode.Generate(1);
|
|
receiverCoin = await receiverUser.ReceiveUTXO(Money.Satoshis(810), network);
|
|
await LockAllButReceiverCoin();
|
|
if (senderUser != receiverUser)
|
|
{
|
|
Logs.Tester.LogInformation("Let's do the same, this time paying to ourselves");
|
|
senderUser = receiverUser;
|
|
goto retry;
|
|
}
|
|
else
|
|
{
|
|
senderUser = originalSenderUser;
|
|
}
|
|
|
|
|
|
// Same as above. Except the sender send one satoshi less, so the change
|
|
// output would get below dust and would be removed completely.
|
|
// So we remove as much fee as we can, and still accept the transaction because it is above minrelay fee
|
|
vector = (SpentCoin: Money.Satoshis(1089), InvoiceAmount: Money.Satoshis(500), Paid: Money.Satoshis(510), Fee: Money.Satoshis(200), InvoicePaid: true, ExpectedError: null as string, OriginalTxBroadcasted: false);
|
|
proposedPSBT = await RunVector();
|
|
Assert.Equal(2, proposedPSBT.Outputs.Count);
|
|
// We should have our payment
|
|
Assert.Contains(proposedPSBT.Outputs, output => output.Value == Money.Satoshis(500) + receiverCoin.Amount);
|
|
// Plus our other change output with value just at dust level
|
|
Assert.Contains(proposedPSBT.Outputs, output => output.Value == Money.Satoshis(294));
|
|
proposedPSBT = await senderUser.Sign(proposedPSBT);
|
|
proposedPSBT = proposedPSBT.Finalize();
|
|
explorerClient = tester.PayTester.GetService<ExplorerClientProvider>().GetExplorerClient(proposedPSBT.Network.NetworkSet.CryptoCode);
|
|
result = await explorerClient.BroadcastAsync(proposedPSBT.ExtractTransaction(), true);
|
|
Assert.True(result.Success);
|
|
}
|
|
}
|
|
|
|
[Fact(Timeout = TestTimeout)]
|
|
[Trait("Integration", "Integration")]
|
|
public async Task CanUsePayjoin()
|
|
{
|
|
using (var tester = ServerTester.Create())
|
|
{
|
|
await tester.StartAsync();
|
|
|
|
////var payJoinStateProvider = tester.PayTester.GetService<PayJoinStateProvider>();
|
|
var btcPayNetwork = tester.NetworkProvider.GetNetwork<BTCPayNetwork>("BTC");
|
|
var btcPayWallet = tester.PayTester.GetService<BTCPayWalletProvider>().GetWallet(btcPayNetwork);
|
|
var cashCow = tester.ExplorerNode;
|
|
cashCow.Generate(2); // get some money in case
|
|
|
|
var senderUser = tester.NewAccount();
|
|
senderUser.GrantAccess(true);
|
|
senderUser.RegisterDerivationScheme("BTC", ScriptPubKeyType.Segwit, true);
|
|
|
|
var invoice = senderUser.BitPay.CreateInvoice(
|
|
new Invoice() { Price = 100, Currency = "USD", FullNotifications = true });
|
|
//payjoin is not enabled by default.
|
|
Assert.DoesNotContain($"{PayjoinClient.BIP21EndpointKey}=", invoice.CryptoInfo.First().PaymentUrls.BIP21);
|
|
cashCow.SendToAddress(BitcoinAddress.Create(invoice.BitcoinAddress, cashCow.Network),
|
|
Money.Coins(0.06m));
|
|
|
|
var receiverUser = tester.NewAccount();
|
|
receiverUser.GrantAccess(true);
|
|
receiverUser.RegisterDerivationScheme("BTC", ScriptPubKeyType.Segwit, true);
|
|
|
|
await receiverUser.ModifyOnchainPaymentSettings(p => p.PayJoinEnabled = true);
|
|
// payjoin is enabled, with a segwit wallet, and the keys are available in nbxplorer
|
|
invoice = receiverUser.BitPay.CreateInvoice(
|
|
new Invoice() { Price = 0.02m, Currency = "BTC", FullNotifications = true });
|
|
cashCow.SendToAddress(BitcoinAddress.Create(invoice.BitcoinAddress, cashCow.Network),
|
|
Money.Coins(0.06m));
|
|
var receiverWalletId = new WalletId(receiverUser.StoreId, "BTC");
|
|
|
|
//give the cow some cash
|
|
await cashCow.GenerateAsync(1);
|
|
//let's get some more utxos first
|
|
foreach (var m in new []
|
|
{
|
|
Money.Coins(0.011m),
|
|
Money.Coins(0.012m),
|
|
Money.Coins(0.013m),
|
|
Money.Coins(0.014m),
|
|
Money.Coins(0.015m),
|
|
Money.Coins(0.016m)
|
|
})
|
|
{
|
|
await receiverUser.ReceiveUTXO(m, btcPayNetwork);
|
|
}
|
|
|
|
foreach (var m in new[]
|
|
{
|
|
Money.Coins(0.021m),
|
|
Money.Coins(0.022m),
|
|
Money.Coins(0.023m),
|
|
Money.Coins(0.024m),
|
|
Money.Coins(0.025m),
|
|
Money.Coins(0.026m)
|
|
})
|
|
{
|
|
await senderUser.ReceiveUTXO(m, btcPayNetwork);
|
|
}
|
|
|
|
var senderChange = await senderUser.GetNewAddress(btcPayNetwork);
|
|
|
|
//Let's start the harassment
|
|
invoice = receiverUser.BitPay.CreateInvoice(
|
|
new Invoice() { Price = 0.02m, Currency = "BTC", FullNotifications = true });
|
|
// Bad version should throw incorrect version
|
|
var bip21 = TestAccount.GetPayjoinBitcoinUrl(invoice, btcPayNetwork.NBitcoinNetwork);
|
|
bip21.TryGetPayjoinEndpoint(out var endpoint);
|
|
var response = await tester.PayTester.HttpClient.PostAsync(endpoint.AbsoluteUri + "?v=2",
|
|
new StringContent("", Encoding.UTF8, "text/plain"));
|
|
Assert.False(response.IsSuccessStatusCode);
|
|
var error = JObject.Parse(await response.Content.ReadAsStringAsync());
|
|
Assert.Equal("version-unsupported", error["errorCode"].Value<string>());
|
|
Assert.Equal(1, ((JArray)error["supported"]).Single().Value<int>());
|
|
|
|
var parsedBip21 = new BitcoinUrlBuilder(invoice.CryptoInfo.First().PaymentUrls.BIP21,
|
|
tester.ExplorerClient.Network.NBitcoinNetwork);
|
|
|
|
var invoice2 = receiverUser.BitPay.CreateInvoice(
|
|
new Invoice() { Price = 0.02m, Currency = "BTC", FullNotifications = true });
|
|
var secondInvoiceParsedBip21 = new BitcoinUrlBuilder(invoice2.CryptoInfo.First().PaymentUrls.BIP21,
|
|
tester.ExplorerClient.Network.NBitcoinNetwork);
|
|
|
|
var senderStore = await tester.PayTester.StoreRepository.FindStore(senderUser.StoreId);
|
|
var paymentMethodId = new PaymentMethodId("BTC", PaymentTypes.BTCLike);
|
|
var derivationSchemeSettings = senderStore.GetSupportedPaymentMethods(tester.NetworkProvider)
|
|
.OfType<DerivationSchemeSettings>().SingleOrDefault(settings =>
|
|
settings.PaymentId == paymentMethodId);
|
|
|
|
ReceivedCoin[] senderCoins = null;
|
|
ReceivedCoin coin = null;
|
|
ReceivedCoin coin2 = null;
|
|
ReceivedCoin coin3 = null;
|
|
ReceivedCoin coin4 = null;
|
|
ReceivedCoin coin5 = null;
|
|
ReceivedCoin coin6 = null;
|
|
await TestUtils.EventuallyAsync(async () =>
|
|
{
|
|
senderCoins = await btcPayWallet.GetUnspentCoins(senderUser.DerivationScheme);
|
|
Assert.Contains(senderCoins, coin => coin.Value.GetValue(btcPayNetwork) == 0.026m);
|
|
coin = Assert.Single(senderCoins, coin => coin.Value.GetValue(btcPayNetwork) == 0.021m);
|
|
coin2 = Assert.Single(senderCoins, coin => coin.Value.GetValue(btcPayNetwork) == 0.022m);
|
|
coin3 = Assert.Single(senderCoins, coin => coin.Value.GetValue(btcPayNetwork) == 0.023m);
|
|
coin4 = Assert.Single(senderCoins, coin => coin.Value.GetValue(btcPayNetwork) == 0.024m);
|
|
coin5 = Assert.Single(senderCoins, coin => coin.Value.GetValue(btcPayNetwork) == 0.025m);
|
|
coin6 = Assert.Single(senderCoins, coin => coin.Value.GetValue(btcPayNetwork) == 0.026m);
|
|
});
|
|
|
|
|
|
var signingKeySettings = derivationSchemeSettings.GetSigningAccountKeySettings();
|
|
signingKeySettings.RootFingerprint =
|
|
senderUser.GenerateWalletResponseV.MasterHDKey.GetPublicKey().GetHDFingerPrint();
|
|
|
|
var extKey =
|
|
senderUser.GenerateWalletResponseV.MasterHDKey.Derive(signingKeySettings.GetRootedKeyPath()
|
|
.KeyPath);
|
|
|
|
|
|
var n = tester.ExplorerClient.Network.NBitcoinNetwork;
|
|
var Invoice1Coin1 = tester.ExplorerClient.Network.NBitcoinNetwork.CreateTransactionBuilder()
|
|
.SetChange(senderChange)
|
|
.Send(parsedBip21.Address, parsedBip21.Amount)
|
|
.AddCoins(coin.Coin)
|
|
.AddKeys(extKey.Derive(coin.KeyPath))
|
|
.SendEstimatedFees(new FeeRate(100m))
|
|
.BuildTransaction(true);
|
|
|
|
var Invoice1Coin2 = tester.ExplorerClient.Network.NBitcoinNetwork.CreateTransactionBuilder()
|
|
.SetChange(senderChange)
|
|
.Send(parsedBip21.Address, parsedBip21.Amount)
|
|
.AddCoins(coin2.Coin)
|
|
.AddKeys(extKey.Derive(coin2.KeyPath))
|
|
.SendEstimatedFees(new FeeRate(100m))
|
|
.BuildTransaction(true);
|
|
|
|
var Invoice2Coin1 = tester.ExplorerClient.Network.NBitcoinNetwork.CreateTransactionBuilder()
|
|
.SetChange(senderChange)
|
|
.Send(secondInvoiceParsedBip21.Address, secondInvoiceParsedBip21.Amount)
|
|
.AddCoins(coin.Coin)
|
|
.AddKeys(extKey.Derive(coin.KeyPath))
|
|
.SendEstimatedFees(new FeeRate(100m))
|
|
.BuildTransaction(true);
|
|
|
|
var Invoice2Coin2 = tester.ExplorerClient.Network.NBitcoinNetwork.CreateTransactionBuilder()
|
|
.SetChange(senderChange)
|
|
.Send(secondInvoiceParsedBip21.Address, secondInvoiceParsedBip21.Amount)
|
|
.AddCoins(coin2.Coin)
|
|
.AddKeys(extKey.Derive(coin2.KeyPath))
|
|
.SendEstimatedFees(new FeeRate(100m))
|
|
.BuildTransaction(true);
|
|
|
|
|
|
//Attempt 2: Create two transactions using different inputs and send them to the same invoice.
|
|
//Result: Second Tx should be rejected.
|
|
var Invoice1Coin1ResponseTx = await senderUser.SubmitPayjoin(invoice, Invoice1Coin1, btcPayNetwork);
|
|
|
|
await senderUser.SubmitPayjoin(invoice, Invoice1Coin1, btcPayNetwork, "already-paid");
|
|
var contributedInputsInvoice1Coin1ResponseTx =
|
|
Invoice1Coin1ResponseTx.Inputs.Where(txin => coin.OutPoint != txin.PrevOut);
|
|
Assert.Single(contributedInputsInvoice1Coin1ResponseTx);
|
|
|
|
//Attempt 3: Send the same inputs from invoice 1 to invoice 2 while invoice 1 tx has not been broadcasted
|
|
//Result: Reject Tx1 but accept tx 2 as its inputs were never accepted by invoice 1
|
|
await senderUser.SubmitPayjoin(invoice2, Invoice2Coin1, btcPayNetwork, expectedError: "unavailable|Some of those inputs have already been used");
|
|
var Invoice2Coin2ResponseTx = await senderUser.SubmitPayjoin(invoice2, Invoice2Coin2, btcPayNetwork);
|
|
|
|
var contributedInputsInvoice2Coin2ResponseTx =
|
|
Invoice2Coin2ResponseTx.Inputs.Where(txin => coin2.OutPoint != txin.PrevOut);
|
|
Assert.Single(contributedInputsInvoice2Coin2ResponseTx);
|
|
|
|
//Attempt 4: Make tx that pays invoice 3 and 4 and submit to both
|
|
//Result: reject on 4: the protocol should not worry about this complexity
|
|
|
|
var invoice3 = receiverUser.BitPay.CreateInvoice(
|
|
new Invoice() { Price = 0.01m, Currency = "BTC", FullNotifications = true });
|
|
var invoice3ParsedBip21 = new BitcoinUrlBuilder(invoice3.CryptoInfo.First().PaymentUrls.BIP21,
|
|
tester.ExplorerClient.Network.NBitcoinNetwork);
|
|
|
|
|
|
var invoice4 = receiverUser.BitPay.CreateInvoice(
|
|
new Invoice() { Price = 0.01m, Currency = "BTC", FullNotifications = true });
|
|
var invoice4ParsedBip21 = new BitcoinUrlBuilder(invoice4.CryptoInfo.First().PaymentUrls.BIP21,
|
|
tester.ExplorerClient.Network.NBitcoinNetwork);
|
|
|
|
|
|
var Invoice3AndInvoice4Coin3 = tester.ExplorerClient.Network.NBitcoinNetwork.CreateTransactionBuilder()
|
|
.SetChange(senderChange)
|
|
.Send(invoice3ParsedBip21.Address, invoice3ParsedBip21.Amount)
|
|
.Send(invoice4ParsedBip21.Address, invoice4ParsedBip21.Amount)
|
|
.AddCoins(coin3.Coin)
|
|
.AddKeys(extKey.Derive(coin3.KeyPath))
|
|
.SendEstimatedFees(new FeeRate(100m))
|
|
.BuildTransaction(true);
|
|
|
|
await senderUser.SubmitPayjoin(invoice3, Invoice3AndInvoice4Coin3, btcPayNetwork);
|
|
await senderUser.SubmitPayjoin(invoice4, Invoice3AndInvoice4Coin3, btcPayNetwork, "already-paid");
|
|
|
|
//Attempt 5: Make tx that pays invoice 5 with 2 outputs
|
|
//Result: proposed tx consolidates the outputs
|
|
|
|
var invoice5 = receiverUser.BitPay.CreateInvoice(
|
|
new Invoice() { Price = 0.01m, Currency = "BTC", FullNotifications = true });
|
|
var invoice5ParsedBip21 = new BitcoinUrlBuilder(invoice5.CryptoInfo.First().PaymentUrls.BIP21,
|
|
tester.ExplorerClient.Network.NBitcoinNetwork);
|
|
|
|
var Invoice5Coin4TxBuilder = tester.ExplorerClient.Network.NBitcoinNetwork.CreateTransactionBuilder()
|
|
.SetChange(senderChange)
|
|
.Send(invoice5ParsedBip21.Address, invoice5ParsedBip21.Amount / 2)
|
|
.Send(invoice5ParsedBip21.Address, invoice5ParsedBip21.Amount / 2)
|
|
.AddCoins(coin4.Coin)
|
|
.AddKeys(extKey.Derive(coin4.KeyPath))
|
|
.SendEstimatedFees(new FeeRate(100m));
|
|
|
|
var Invoice5Coin4 = Invoice5Coin4TxBuilder.BuildTransaction(true);
|
|
var Invoice5Coin4ResponseTx = await senderUser.SubmitPayjoin(invoice5, Invoice5Coin4, btcPayNetwork);
|
|
Assert.Single(Invoice5Coin4ResponseTx.Outputs.To(invoice5ParsedBip21.Address));
|
|
|
|
//Attempt 10: send tx with rbf, broadcast payjoin tx, bump the rbf payjoin , attempt to submit tx again
|
|
//Result: same tx gets sent back
|
|
|
|
//give the receiver some more utxos
|
|
Assert.NotNull(await tester.ExplorerNode.SendToAddressAsync(
|
|
(await btcPayWallet.ReserveAddressAsync(receiverUser.DerivationScheme)).Address,
|
|
new Money(0.1m, MoneyUnit.BTC)));
|
|
|
|
var invoice6 = receiverUser.BitPay.CreateInvoice(
|
|
new Invoice() { Price = 0.01m, Currency = "BTC", FullNotifications = true });
|
|
var invoice6ParsedBip21 = new BitcoinUrlBuilder(invoice6.CryptoInfo.First().PaymentUrls.BIP21,
|
|
tester.ExplorerClient.Network.NBitcoinNetwork);
|
|
|
|
var invoice6Coin5TxBuilder = tester.ExplorerClient.Network.NBitcoinNetwork.CreateTransactionBuilder()
|
|
.SetChange(senderChange)
|
|
.Send(invoice6ParsedBip21.Address, invoice6ParsedBip21.Amount)
|
|
.AddCoins(coin5.Coin)
|
|
.AddKeys(extKey.Derive(coin5.KeyPath))
|
|
.SendEstimatedFees(new FeeRate(100m))
|
|
.SetLockTime(0);
|
|
|
|
var invoice6Coin5 = invoice6Coin5TxBuilder
|
|
.BuildTransaction(true);
|
|
|
|
var Invoice6Coin5Response1Tx = await senderUser.SubmitPayjoin(invoice6, invoice6Coin5, btcPayNetwork);
|
|
var Invoice6Coin5Response1TxSigned = invoice6Coin5TxBuilder.SignTransaction(Invoice6Coin5Response1Tx);
|
|
//broadcast the first payjoin
|
|
await tester.ExplorerClient.BroadcastAsync(Invoice6Coin5Response1TxSigned);
|
|
|
|
// invoice6Coin5TxBuilder = invoice6Coin5TxBuilder.SendEstimatedFees(new FeeRate(100m));
|
|
// var invoice6Coin5Bumpedfee = invoice6Coin5TxBuilder
|
|
// .BuildTransaction(true);
|
|
//
|
|
// var Invoice6Coin5Response3 = await tester.PayTester.HttpClient.PostAsync(invoice6Endpoint,
|
|
// new StringContent(invoice6Coin5Bumpedfee.ToHex(), Encoding.UTF8, "text/plain"));
|
|
// Assert.True(Invoice6Coin5Response3.IsSuccessStatusCode);
|
|
// var Invoice6Coin5Response3Tx =
|
|
// Transaction.Parse(await Invoice6Coin5Response3.Content.ReadAsStringAsync(), n);
|
|
// Assert.True(invoice6Coin5Bumpedfee.Inputs.All(txin =>
|
|
// Invoice6Coin5Response3Tx.Inputs.Any(txin2 => txin2.PrevOut == txin.PrevOut)));
|
|
|
|
//Attempt 11:
|
|
//send tx with rbt, broadcast payjoin,
|
|
//create tx spending the original tx inputs with rbf to self,
|
|
//Result: the exposed utxos are priorized in the next p2ep
|
|
|
|
//give the receiver some more utxos
|
|
Assert.NotNull(await tester.ExplorerNode.SendToAddressAsync(
|
|
(await btcPayWallet.ReserveAddressAsync(receiverUser.DerivationScheme)).Address,
|
|
new Money(0.1m, MoneyUnit.BTC)));
|
|
|
|
var invoice7 = receiverUser.BitPay.CreateInvoice(
|
|
new Invoice() { Price = 0.01m, Currency = "BTC", FullNotifications = true });
|
|
var invoice7ParsedBip21 = new BitcoinUrlBuilder(invoice7.CryptoInfo.First().PaymentUrls.BIP21,
|
|
tester.ExplorerClient.Network.NBitcoinNetwork);
|
|
|
|
var txBuilder = tester.ExplorerClient.Network.NBitcoinNetwork.CreateTransactionBuilder();
|
|
txBuilder.OptInRBF = true;
|
|
var invoice7Coin6TxBuilder = txBuilder
|
|
.SetChange(senderChange)
|
|
.Send(invoice7ParsedBip21.Address, invoice7ParsedBip21.Amount)
|
|
.AddCoins(coin6.Coin)
|
|
.AddKeys(extKey.Derive(coin6.KeyPath))
|
|
.SendEstimatedFees(new FeeRate(100m));
|
|
|
|
var invoice7Coin6Tx = invoice7Coin6TxBuilder
|
|
.BuildTransaction(true);
|
|
|
|
var invoice7Coin6Response1Tx = await senderUser.SubmitPayjoin(invoice7, invoice7Coin6Tx, btcPayNetwork);
|
|
var Invoice7Coin6Response1TxSigned = invoice7Coin6TxBuilder.SignTransaction(invoice7Coin6Response1Tx);
|
|
var contributedInputsInvoice7Coin6Response1TxSigned =
|
|
Invoice7Coin6Response1TxSigned.Inputs.Single(txin => coin6.OutPoint != txin.PrevOut);
|
|
|
|
|
|
////var receiverWalletPayJoinState = payJoinStateProvider.Get(receiverWalletId);
|
|
////Assert.Contains(receiverWalletPayJoinState.GetRecords(), item => item.InvoiceId == invoice7.Id);
|
|
//broadcast the payjoin
|
|
var res = (await tester.ExplorerClient.BroadcastAsync(Invoice7Coin6Response1TxSigned));
|
|
Assert.True(res.Success);
|
|
|
|
// Paid with coinjoin
|
|
await TestUtils.EventuallyAsync(async () =>
|
|
{
|
|
var invoiceEntity = await tester.PayTester.GetService<InvoiceRepository>().GetInvoice(invoice7.Id);
|
|
Assert.Equal(InvoiceStatusLegacy.Paid, invoiceEntity.Status);
|
|
Assert.Contains(invoiceEntity.GetPayments(false), p => p.Accounted &&
|
|
((BitcoinLikePaymentData)p.GetCryptoPaymentData()).PayjoinInformation is null);
|
|
});
|
|
////Assert.Contains(receiverWalletPayJoinState.GetRecords(), item => item.InvoiceId == invoice7.Id && item.TxSeen);
|
|
|
|
var invoice7Coin6Tx2 = tester.ExplorerClient.Network.NBitcoinNetwork.CreateTransactionBuilder()
|
|
.SetChange(senderChange)
|
|
.AddCoins(coin6.Coin)
|
|
.SendAll(senderChange)
|
|
.SubtractFees()
|
|
.AddKeys(extKey.Derive(coin6.KeyPath))
|
|
.SendEstimatedFees(new FeeRate(200m))
|
|
.SetLockTime(0)
|
|
.BuildTransaction(true);
|
|
|
|
//broadcast the "rbf cancel" tx
|
|
res = (await tester.ExplorerClient.BroadcastAsync(invoice7Coin6Tx2));
|
|
Assert.True(res.Success);
|
|
|
|
// Make a block, this should put back the invoice to new
|
|
var blockhash = tester.ExplorerNode.Generate(1)[0];
|
|
Assert.NotNull(await tester.ExplorerNode.GetRawTransactionAsync(invoice7Coin6Tx2.GetHash(), blockhash));
|
|
Assert.Null(await tester.ExplorerNode.GetRawTransactionAsync(Invoice7Coin6Response1TxSigned.GetHash(), blockhash, false));
|
|
// Now we should return to New
|
|
OutPoint ourOutpoint = null;
|
|
await TestUtils.EventuallyAsync(async () =>
|
|
{
|
|
var invoiceEntity = await tester.PayTester.GetService<InvoiceRepository>().GetInvoice(invoice7.Id);
|
|
Assert.Equal(InvoiceStatusLegacy.New, invoiceEntity.Status);
|
|
Assert.True(invoiceEntity.GetPayments(false).All(p => !p.Accounted));
|
|
ourOutpoint = invoiceEntity.GetAllBitcoinPaymentData(false).First().PayjoinInformation.ContributedOutPoints[0];
|
|
});
|
|
var payjoinRepository = tester.PayTester.GetService<PayJoinRepository>();
|
|
// The outpoint should now be available for next pj selection
|
|
Assert.False(await payjoinRepository.TryUnlock(ourOutpoint));
|
|
}
|
|
}
|
|
}
|
|
}
|