public void CanGetMerkleRoot() { using (var node = Node.ConnectToLocal(Network.TestNet, isRelay: false)) { var knownBlock = uint256.Parse("00000000db9a24016f87f98ddaf08d32383319431d27c37dee2c91898ef57066"); var knownTx = uint256.Parse("dabf4960a5c6d9affec746734cbd8ba68287126b8c4514de846a9702a813a449"); node.VersionHandshake(); using (var list = node.CreateListener() .Where(m => m.Message.Payload is MerkleBlockPayload || m.Message.Payload is TxPayload)) { BloomFilter filter = new BloomFilter(1, 0.005, 50, BloomFlags.UPDATE_NONE); filter.Insert(((BitcoinPubKeyAddress)BitcoinAddress.Create("mwdJkHRNJi1fEwHBx6ikWFFuo2rLBdri2h", Network.TestNet)).Hash.ToBytes()); node.SendMessageAsync(new FilterLoadPayload(filter)); node.SendMessageAsync(new GetDataPayload(new InventoryVector(InventoryType.MSG_FILTERED_BLOCK, knownBlock))); var merkle = list.ReceivePayload <MerkleBlockPayload>(); var tree = merkle.Object.PartialMerkleTree; Assert.True(tree.Check(uint256.Parse("89b905cdf2ab70c1acd9b538cf6738937ae28fca86c1514ebbf130962312e478"))); Assert.True(tree.GetMatchedTransactions().Count() > 1); Assert.True(tree.GetMatchedTransactions().Contains(knownTx)); List <Transaction> matched = new List <Transaction>(); for (int i = 0; i < tree.GetMatchedTransactions().Count(); i++) { matched.Add(list.ReceivePayload <TxPayload>().Object); } Assert.True(matched.Count > 1); tree = tree.Trim(knownTx); Assert.True(tree.GetMatchedTransactions().Count() == 1); Assert.True(tree.GetMatchedTransactions().Contains(knownTx)); Action act = () => { foreach (var match in matched) { Assert.True(filter.IsRelevantAndUpdate(match)); } }; act(); filter = filter.Clone(); act(); var unknownBlock = uint256.Parse("00000000ad262227291eaf90cafdc56a8f8451e2d7653843122c5bb0bf2dfcdd"); node.SendMessageAsync(new GetDataPayload(new InventoryVector(InventoryType.MSG_FILTERED_BLOCK, Network.TestNet.GetGenesis().GetHash()))); merkle = list.ReceivePayload <MerkleBlockPayload>(); tree = merkle.Object.PartialMerkleTree; Assert.True(tree.Check(merkle.Object.Header.HashMerkleRoot)); Assert.True(!tree.GetMatchedTransactions().Contains(knownTx)); } } }
public void CanGetMerkleRoot() { using (var builder = NodeBuilderEx.Create()) { var node = builder.CreateNode(true); var rpc = node.CreateRPCClient(); var nodeClient = node.CreateNodeClient(); rpc.Generate(101); List <TxDestination> knownAddresses = new List <TxDestination>(); var batch = rpc.PrepareBatch(); for (int i = 0; i < 20; i++) { var address = (BitcoinPubKeyAddress) new Key().PubKey.GetAddress(ScriptPubKeyType.Legacy, rpc.Network); knownAddresses.Add(address.Hash); #pragma warning disable CS4014 batch.SendToAddressAsync(address, Money.Coins(0.5m)); #pragma warning restore CS4014 } batch.SendBatch(); knownAddresses = knownAddresses.Take(10).ToList(); var blockId = rpc.Generate(1)[0]; var block = rpc.GetBlock(blockId); Assert.Equal(21, block.Transactions.Count); var knownTx = block.Transactions[1].GetHash(); nodeClient.VersionHandshake(); using (var list = nodeClient.CreateListener() .Where(m => m.Message.Payload is MerkleBlockPayload || m.Message.Payload is TxPayload)) { BloomFilter filter = new BloomFilter(1, 0.0001, 50, BloomFlags.UPDATE_NONE); foreach (var a in knownAddresses) { filter.Insert(a.ToBytes()); } nodeClient.SendMessageAsync(new FilterLoadPayload(filter)); nodeClient.SendMessageAsync(new GetDataPayload(new InventoryVector(InventoryType.MSG_FILTERED_BLOCK, block.GetHash()))); var merkle = list.ReceivePayload <MerkleBlockPayload>(); var tree = merkle.Object.PartialMerkleTree; Assert.True(tree.Check(block.Header.HashMerkleRoot)); Assert.True(tree.GetMatchedTransactions().Count() >= 10); Assert.Contains(knownTx, tree.GetMatchedTransactions()); List <Transaction> matched = new List <Transaction>(); for (int i = 0; i < tree.GetMatchedTransactions().Count(); i++) { matched.Add(list.ReceivePayload <TxPayload>().Object); } Assert.True(matched.Count >= 10); tree = tree.Trim(knownTx); Assert.True(tree.GetMatchedTransactions().Count() == 1); Assert.Contains(knownTx, tree.GetMatchedTransactions()); Action act = () => { foreach (var match in matched) { Assert.True(filter.IsRelevantAndUpdate(match)); } }; act(); filter = filter.Clone(); act(); var unknownBlock = uint256.Parse("00000000ad262227291eaf90cafdc56a8f8451e2d7653843122c5bb0bf2dfcdd"); nodeClient.SendMessageAsync(new GetDataPayload(new InventoryVector(InventoryType.MSG_FILTERED_BLOCK, Network.RegTest.GetGenesis().GetHash()))); merkle = list.ReceivePayload <MerkleBlockPayload>(); tree = merkle.Object.PartialMerkleTree; Assert.True(tree.Check(merkle.Object.Header.HashMerkleRoot)); Assert.True(!tree.GetMatchedTransactions().Contains(knownTx)); } } }
public void CanGetMerkleRoot() { using (var builder = NodeBuilder.Create()) { var node = builder.CreateNode(true).CreateNodeClient(); builder.Nodes[0].Generate(101); var rpc = builder.Nodes[0].CreateRPCClient(); builder.Nodes[0].Split(Money.Coins(50m), 50); builder.Nodes[0].SelectMempoolTransactions(); builder.Nodes[0].Generate(1); for (int i = 0; i < 20; i++) { rpc.SendToAddress(new Key().PubKey.GetAddress(rpc.Network), Money.Coins(0.5m)); } builder.Nodes[0].SelectMempoolTransactions(); builder.Nodes[0].Generate(1); var block = builder.Nodes[0].CreateRPCClient().GetBlock(103); var knownTx = block.Transactions[0].GetHash(); var knownAddress = block.Transactions[0].Outputs[0].ScriptPubKey.GetDestination(); node.VersionHandshake(); using (var list = node.CreateListener() .Where(m => m.Message.Payload is MerkleBlockPayload || m.Message.Payload is TxPayload)) { BloomFilter filter = new BloomFilter(1, 0.005, 50, BloomFlags.UPDATE_NONE); filter.Insert(knownAddress.ToBytes()); node.SendMessageAsync(new FilterLoadPayload(filter)); node.SendMessageAsync(new GetDataPayload(new InventoryVector(InventoryType.MSG_FILTERED_BLOCK, block.GetHash()))); var merkle = list.ReceivePayload <MerkleBlockPayload>(); var tree = merkle.Object.PartialMerkleTree; Assert.True(tree.Check(block.Header.HashMerkleRoot)); Assert.True(tree.GetMatchedTransactions().Count() > 1); Assert.True(tree.GetMatchedTransactions().Contains(knownTx)); List <Transaction> matched = new List <Transaction>(); for (int i = 0; i < tree.GetMatchedTransactions().Count(); i++) { matched.Add(list.ReceivePayload <TxPayload>().Object); } Assert.True(matched.Count > 1); tree = tree.Trim(knownTx); Assert.True(tree.GetMatchedTransactions().Count() == 1); Assert.True(tree.GetMatchedTransactions().Contains(knownTx)); Action act = () => { foreach (var match in matched) { Assert.True(filter.IsRelevantAndUpdate(match)); } }; act(); filter = filter.Clone(); act(); var unknownBlock = uint256.Parse("00000000ad262227291eaf90cafdc56a8f8451e2d7653843122c5bb0bf2dfcdd"); node.SendMessageAsync(new GetDataPayload(new InventoryVector(InventoryType.MSG_FILTERED_BLOCK, Network.RegTest.GetGenesis().GetHash()))); merkle = list.ReceivePayload <MerkleBlockPayload>(); tree = merkle.Object.PartialMerkleTree; Assert.True(tree.Check(merkle.Object.Header.HashMerkleRoot)); Assert.True(!tree.GetMatchedTransactions().Contains(knownTx)); } } }