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));
}
}
}