public async Task FilterBuilderTestAsync()
{
(_, IRPCClient rpc, _, _, _, _, Backend.Global global) = await Common.InitializeTestEnvironmentAsync(RegTestFixture, 1);
var indexBuilderServiceDir = Tests.Common.GetWorkDir();
var indexFilePath = Path.Combine(indexBuilderServiceDir, $"Index{rpc.Network}.dat");
var indexBuilderService = new IndexBuilderService(rpc, global.HostedServices.FirstOrDefault <BlockNotifier>(), indexFilePath);
try
{
indexBuilderService.Synchronize();
// Test initial synchronization.
var times = 0;
uint256 firstHash = await rpc.GetBlockHashAsync(0);
while (indexBuilderService.GetFilterLinesExcluding(firstHash, 101, out _).filters.Count() != 101)
{
if (times > 500) // 30 sec
{
throw new TimeoutException($"{nameof(IndexBuilderService)} test timed out.");
}
await Task.Delay(100);
times++;
}
// Test later synchronization.
await rpc.GenerateAsync(10);
times = 0;
while (indexBuilderService.GetFilterLinesExcluding(firstHash, 111, out bool found5).filters.Count() != 111)
{
Assert.True(found5);
if (times > 500) // 30 sec
{
throw new TimeoutException($"{nameof(IndexBuilderService)} test timed out.");
}
await Task.Delay(100);
times++;
}
// Test correct number of filters is received.
var hundredthHash = await rpc.GetBlockHashAsync(100);
Assert.Equal(11, indexBuilderService.GetFilterLinesExcluding(hundredthHash, 11, out bool found).filters.Count());
Assert.True(found);
var bestHash = await rpc.GetBestBlockHashAsync();
Assert.Empty(indexBuilderService.GetFilterLinesExcluding(bestHash, 1, out bool found2).filters);
Assert.Empty(indexBuilderService.GetFilterLinesExcluding(uint256.Zero, 1, out bool found3).filters);
Assert.False(found3);
// Test filter block hashes are correct.
var filters = indexBuilderService.GetFilterLinesExcluding(firstHash, 111, out bool found4).filters.ToArray();
Assert.True(found4);
for (int i = 0; i < 111; i++)
{
var expectedHash = await rpc.GetBlockHashAsync(i + 1);
var filterModel = filters[i];
Assert.Equal(expectedHash, filterModel.Header.BlockHash);
}
}
finally
{
if (indexBuilderService is { })
public async Task FilterBuilderTestAsync()
{
using (var builder = await NodeBuilder.CreateAsync())
{
await builder.CreateNodeAsync();
await builder.StartAllAsync();
CoreNode regtestNode = builder.Nodes[0];
regtestNode.Generate(101);
RPCClient rpc = regtestNode.CreateRpcClient();
var indexBuilderServiceDir = Path.Combine(SharedFixture.DataDir, nameof(IndexBuilderService));
var indexFilePath = Path.Combine(indexBuilderServiceDir, $"Index{rpc.Network}.dat");
var utxoSetFilePath = Path.Combine(indexBuilderServiceDir, $"UtxoSet{rpc.Network}.dat");
var indexBuilderService = new IndexBuilderService(rpc, indexFilePath, utxoSetFilePath);
try
{
indexBuilderService.Synchronize();
// Test initial synchronization.
var times = 0;
uint256 firstHash = await rpc.GetBlockHashAsync(0);
while (indexBuilderService.GetFilterLinesExcluding(firstHash, 102, out _).filters.Count() != 101)
{
if (times > 500) // 30 sec
{
throw new TimeoutException($"{nameof(IndexBuilderService)} test timed out.");
}
await Task.Delay(100);
times++;
}
// Test later synchronization.
regtestNode.Generate(10);
times = 0;
while (indexBuilderService.GetFilterLinesExcluding(firstHash, 112, out bool found5).filters.Count() != 111)
{
Assert.True(found5);
if (times > 500) // 30 sec
{
throw new TimeoutException($"{nameof(IndexBuilderService)} test timed out.");
}
await Task.Delay(100);
times++;
}
// Test correct number of filters is received.
var hundredthHash = await rpc.GetBlockHashAsync(100);
Assert.Equal(11, indexBuilderService.GetFilterLinesExcluding(hundredthHash, 12, out bool found).filters.Count());
Assert.True(found);
var bestHash = await rpc.GetBestBlockHashAsync();
Assert.Empty(indexBuilderService.GetFilterLinesExcluding(bestHash, 1, out bool found2).filters);
Assert.True(found2);
Assert.Empty(indexBuilderService.GetFilterLinesExcluding(uint256.Zero, 1, out bool found3).filters);
Assert.False(found3);
// Test filter block hashes are correct.
var filters = indexBuilderService.GetFilterLinesExcluding(firstHash, 112, out bool found4).filters.ToArray();
Assert.True(found4);
for (int i = 0; i < 111; i++)
{
var expectedHash = await rpc.GetBlockHashAsync(i + 1);
var filterModel = FilterModel.FromLine(filters[i], i);
Assert.Equal(expectedHash, filterModel.BlockHash);
Assert.Null(filterModel.Filter);
}
}
finally
{
if (indexBuilderService != null)
{
await indexBuilderService.StopAsync();
}
}
}
}
