public void TestAddBlockConfirmingTx()
{
// create tx spending a previous output that exists
var decodedTx = Transaction.Create(
0,
ImmutableArray.Create(new TxInput(UInt256.One, 0, ImmutableArray<byte>.Empty, 0)),
ImmutableArray.Create(new TxOutput(0, ImmutableArray<byte>.Empty)),
0);
var tx = decodedTx.Transaction;
// create prev output tx
var unspentTx = new UnspentTx(tx.Inputs[0].PrevTxHash, 0, 1, 0, false, new OutputStates(1, OutputState.Unspent));
var txOutput = new TxOutput(0, ImmutableArray<byte>.Empty);
// create a fake chain
var fakeHeaders = new FakeHeaders();
var genesisHeader = fakeHeaders.GenesisChained();
// create a block confirming the tx
var block = Block.Create(RandomData.RandomBlockHeader().With(PreviousBlock: genesisHeader.Hash), ImmutableArray.Create(tx));
var chainedHeader = new ChainedHeader(block.Header, 1, 0, DateTimeOffset.Now);
// mock core storage with chained header
var coreStorage = new Mock<ICoreStorage>();
var initialChain = new ChainBuilder().ToImmutable();
coreStorage.Setup(x => x.TryReadChain(null, out initialChain)).Returns(true);
coreStorage.Setup(x => x.TryGetChainedHeader(chainedHeader.Hash, out chainedHeader)).Returns(true);
// mock chain state with prev output
var chainState = new Mock<IChainState>();
chainState.Setup(x => x.TryGetUnspentTx(tx.Inputs[0].PrevTxHash, out unspentTx)).Returns(true);
chainState.Setup(x => x.TryGetUnspentTxOutput(tx.Inputs[0].PrevTxOutputKey, out txOutput)).Returns(true);
// mock core daemon for chain state retrieval
var coreDaemon = new Mock<ICoreDaemon>();
coreDaemon.Setup(x => x.GetChainState()).Returns(chainState.Object);
using (var unconfirmedTxesBuilder = new UnconfirmedTxesBuilder(coreDaemon.Object, coreStorage.Object, storageManager))
{
// add the tx
Assert.IsTrue(unconfirmedTxesBuilder.TryAddTransaction(decodedTx));
// add the block
unconfirmedTxesBuilder.AddBlock(genesisHeader, Enumerable.Empty<BlockTx>());
unconfirmedTxesBuilder.AddBlock(chainedHeader, block.BlockTxes);
// verify the confirmed tx was removed
UnconfirmedTx unconfirmedTx;
Assert.IsFalse(unconfirmedTxesBuilder.TryGetTransaction(tx.Hash, out unconfirmedTx));
Assert.IsNull(unconfirmedTx);
// verify the confirmed tx was de-indexed against its input
Assert.AreEqual(0, unconfirmedTxesBuilder.GetTransactionsSpending(tx.Inputs[0].PrevTxOutputKey).Count);
}
}
}