public void GetBlocksWithTransactionHashes_Start()
{
// The test works as following:
// There are already 2 blocks. The method then gets called with
// a `from` value of 1, and while doing so `latestBlock` becomes
// 2 because another `updateStream` received a new block.
// This means that the old stream should consist of blocks 1 and 2,
// and for completeness we assume a new block number 3 comes afterwards.
// Setup.
var sched = new TestScheduler();
var poller = new Mock <IObservable <Unit> >();
var filterService = new Mock <IEthApiFilterService>();
var blockService = new Mock <IEthApiBlockService>();
var provider = new BlockStreamProvider(
poller.Object,
filterService.Object,
blockService.Object);
blockService
.Setup(x => x.GetBlockNumber.SendRequestAsync(null))
.Returns(Task.FromResult(new HexBigInteger(2)));
// Setup old blocks.
var oldBlock = new BlockWithTransactionHashes
{
BlockHash = "0x1",
Number = new HexBigInteger(1)
};
blockService
.Setup(x => x.GetBlockWithTransactionsHashesByNumber.SendRequestAsync(new HexBigInteger(new BigInteger(1)), null))
.Returns(Task.FromResult(oldBlock));
// Setup new blocks.
var newBlocks = new[]
{
new BlockWithTransactionHashes
{
BlockHash = "0x2",
Number = new HexBigInteger(2)
},
new BlockWithTransactionHashes
{
BlockHash = "0x3",
Number = new HexBigInteger(3)
}
};
var newBlockSource = sched.CreateHotObservable(
OnNext(100, newBlocks[0]),
OnNext(200, newBlocks[1]));
// Record incoming data.
var res = sched.Start(
() => provider.GetBlocksWithTransactionHashes(new BlockParameter(1), newBlockSource),
0,
50,
Disposed);
res.Messages.AssertEqual(
OnNext(50, oldBlock),
OnNext(100, newBlocks[0]),
OnNext(200, newBlocks[1]));
}
public void GetBlocksWithTransactionHashes_StartEndOldOnly()
{
// Setup.
var sched = new TestScheduler();
var poller = new Mock <IObservable <Unit> >();
var filterService = new Mock <IEthApiFilterService>();
var blockService = new Mock <IEthApiBlockService>();
var provider = new BlockStreamProvider(
poller.Object,
filterService.Object,
blockService.Object);
// Setup old blocks (first should be ignored).
var oldBlocks = new List <BlockWithTransactionHashes>();
for (var i = 0; i < 4; i++)
{
oldBlocks.Add(new BlockWithTransactionHashes
{
BlockHash = "0x" + i,
Number = new HexBigInteger(i)
});
blockService
.Setup(x => x.GetBlockWithTransactionsHashesByNumber.SendRequestAsync(new HexBigInteger(new BigInteger(i)), null))
.Returns(Task.FromResult(oldBlocks[i]));
}
blockService
.Setup(x => x.GetBlockNumber.SendRequestAsync(null))
.Returns(Task.FromResult(new HexBigInteger(oldBlocks.Last().Number)));
// Setup new blocks (should all be ignored).
var newBlocks = new[]
{
new BlockWithTransactionHashes
{
BlockHash = "0x4",
Number = new HexBigInteger(4)
},
new BlockWithTransactionHashes
{
BlockHash = "0x5",
Number = new HexBigInteger(5)
}
};
var newBlockSource = sched.CreateHotObservable(
OnNext(100, newBlocks[0]),
OnNext(100, newBlocks[1]));
// Record incoming data.
var res = sched.Start(
() => provider.GetBlocksWithTransactionHashes(
new BlockParameter(1),
new BlockParameter(3),
newBlockSource),
0,
50,
Disposed);
res.Messages.AssertEqual(
OnNext(50, oldBlocks[1]),
OnNext(50, oldBlocks[2]),
OnCompleted <BlockWithTransactionHashes>(50));
}
public void GetBlocksWithTransactionHashes()
{
// Setup.
var sched = new TestScheduler();
var poller = sched.CreateColdObservable(
OnNext(100, Unit.Default),
OnNext(200, Unit.Default));
var filterService = new Mock <IEthApiFilterService>();
var blockService = new Mock <IEthApiBlockService>();
var provider = new BlockStreamProvider(
poller,
filterService.Object,
blockService.Object);
var filterId = new HexBigInteger(1337);
filterService
.Setup(x => x.NewBlockFilter.SendRequestAsync(null))
.Returns(Task.FromResult(filterId));
filterService
.Setup(x => x.UninstallFilter.SendRequestAsync(filterId, null))
.Returns(Task.FromResult(true));
// Setup incoming blocks.
var expectedBlocks = new[]
{
new[]
{
new BlockWithTransactionHashes
{
BlockHash = "0x1"
}
},
new[]
{
new BlockWithTransactionHashes
{
BlockHash = "0x2"
},
new BlockWithTransactionHashes
{
BlockHash = "0x3"
}
}
};
filterService.SetupSequence(x => x.GetFilterChangesForBlockOrTransaction.SendRequestAsync(filterId, null))
.Returns(Task.FromResult(new[]
{
expectedBlocks[0][0].BlockHash
}))
.Returns(Task.FromResult(new[]
{
expectedBlocks[1][0].BlockHash, expectedBlocks[1][1].BlockHash
}));
blockService.Setup(x => x.GetBlockWithTransactionsHashesByHash.SendRequestAsync(expectedBlocks[0][0].BlockHash, null))
.Returns(Task.FromResult(expectedBlocks[0][0]));
blockService.Setup(x => x.GetBlockWithTransactionsHashesByHash.SendRequestAsync(expectedBlocks[1][0].BlockHash, null))
.Returns(Task.FromResult(expectedBlocks[1][0]));
blockService.Setup(x => x.GetBlockWithTransactionsHashesByHash.SendRequestAsync(expectedBlocks[1][1].BlockHash, null))
.Returns(Task.FromResult(expectedBlocks[1][1]));
// Record incoming data.
var res = sched.Start(() => provider.GetBlocksWithTransactionHashes());
res.Messages.AssertEqual(
OnNext(100 + Subscribed, expectedBlocks[0][0]),
OnNext(200 + Subscribed, expectedBlocks[1][0]),
OnNext(200 + Subscribed, expectedBlocks[1][1]));
filterService.Verify(x => x.NewBlockFilter.SendRequestAsync(null), Times.Once);
filterService.Verify(x => x.UninstallFilter.SendRequestAsync(filterId, null), Times.Once);
}