void AttachedNode_MessageReceived(Node node, IncomingMessage message)
{
var filterload = message.Message.Payload as FilterLoadPayload;
if (filterload != null)
{
_Filter = filterload.Object;
}
var getdata = message.Message.Payload as GetDataPayload;
if (getdata != null)
{
foreach (var inv in getdata.Inventory)
{
if (inv.Type == InventoryType.MSG_FILTERED_BLOCK && _Filter != null)
{
var merkle = new MerkleBlock(_Blocks[inv.Hash], _Filter);
AttachedNode.SendMessageAsync(new MerkleBlockPayload(merkle));
foreach (var tx in merkle.PartialMerkleTree.GetMatchedTransactions())
{
if (_Known.TryAdd(tx, tx))
{
AttachedNode.SendMessageAsync(new InvPayload(InventoryType.MSG_TX, tx));
}
}
}
if (inv.Type == InventoryType.MSG_TX)
{
AttachedNode.SendMessageAsync(new TxPayload(_Transactions[inv.Hash]));
}
}
}
}
public void merkle_block_3_and_serialize()
{
// Random real block (000000000000dab0130bbcc991d3d7ae6b81aa6f50a798888dfe62337458dc45)
// With one tx
Block block = new Block();
block.ReadWrite(ParseHex("0100000079cda856b143d9db2c1caff01d1aecc8630d30625d10e8b4b8b0000000000000b50cc069d6a3e33e3ff84a5c41d9d3febe7c770fdcc96b2c3ff60abe184f196367291b4d4c86041b8fa45d630101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff08044c86041b020a02ffffffff0100f2052a01000000434104ecd3229b0571c3be876feaac0442a9f13c5a572742927af1dc623353ecf8c202225f64868137a18cdd85cbbb4c74fbccfd4f49639cf1bdc94a5672bb15ad5d4cac00000000"));
BloomFilter filter = new BloomFilter(10, 0.000001, 0, BloomFlags.UPDATE_ALL);
// Match the only transaction
filter.Insert(uint256.Parse("0x63194f18be0af63f2c6bc9dc0f777cbefed3d9415c4af83f3ee3a3d669c00cb5"));
MerkleBlock merkleBlock = new MerkleBlock(block, filter);
Assert.True(merkleBlock.Header.GetHash() == block.GetHash());
Assert.True(merkleBlock.PartialMerkleTree.Check(block.Header.HashMerkleRoot));
var vMatchedTxn = merkleBlock.PartialMerkleTree.GetMatchedTransactions().ToList();
Assert.True(vMatchedTxn.Count == 1);
AssertMatch(block, vMatchedTxn, "0x63194f18be0af63f2c6bc9dc0f777cbefed3d9415c4af83f3ee3a3d669c00cb5", 0, 0);
byte[] vch = ParseHex("0100000079cda856b143d9db2c1caff01d1aecc8630d30625d10e8b4b8b0000000000000b50cc069d6a3e33e3ff84a5c41d9d3febe7c770fdcc96b2c3ff60abe184f196367291b4d4c86041b8fa45d630100000001b50cc069d6a3e33e3ff84a5c41d9d3febe7c770fdcc96b2c3ff60abe184f19630101");
AssertEx.CollectionEquals(merkleBlock.ToBytes(), vch);
}
public ICollection <TransactionInformation> GetTransactions(Script scriptPubKey, bool withProof)
{
if (scriptPubKey == null)
{
throw new ArgumentNullException(nameof(scriptPubKey));
}
var results = _Cache
.GetEntriesFromScript(scriptPubKey)
.Select(entry => new TransactionInformation()
{
Confirmations = entry.Confirmations,
Transaction = entry.Transaction
}).ToList();
if (withProof)
{
foreach (var tx in results.ToList())
{
MerkleBlock proof = null;
var result = RPCClient.SendCommandNoThrows("gettxoutproof", new JArray(tx.Transaction.GetHash().ToString()));
if (result == null || result.Error != null)
{
results.Remove(tx);
continue;
}
proof = new MerkleBlock();
proof.ReadWrite(Encoders.Hex.DecodeData(result.ResultString));
tx.MerkleProof = proof;
}
}
return(results);
}
public void Add(int height, Block block)
{
foreach (var spk in TrackedScriptPubKeys)
{
TrackIfFindRelatedTransactions(spk, height, block);
}
FullBlockBuffer.AddOrReplace(height, block);
HashSet <uint256> notFoundTransactions = GetNotYetFoundTrackedTransactions();
HashSet <uint256> foundTransactions = new HashSet <uint256>();
foreach (var txid in notFoundTransactions)
{
if (block.Transactions.Any(x => x.GetHash().Equals(txid)))
{
foundTransactions.Add(txid);
}
}
MerkleBlock merkleProof = foundTransactions.Count == 0 ? block.Filter() : block.Filter(foundTransactions.ToArray());
var partialBlock = new PartialBlock(height, merkleProof);
foreach (var txid in foundTransactions)
{
foreach (var tx in block.Transactions)
{
if (tx.GetHash().Equals(txid))
{
partialBlock.Transactions.Add(tx);
}
}
}
Chain.AddOrReplace(partialBlock.Height, partialBlock);
}
public void merkle_block_4()
{
// Random real block (000000000000b731f2eef9e8c63173adfb07e41bd53eb0ef0a6b720d6cb6dea4)
// With 7 txes
Block block = new Block();
block.ReadWrite(ParseHex("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"));
BloomFilter filter = new BloomFilter(10, 0.000001, 0, BloomFlags.UPDATE_ALL);
// Match the last transaction
filter.Insert(uint256.Parse("0x0a2a92f0bda4727d0a13eaddf4dd9ac6b5c61a1429e6b2b818f19b15df0ac154"));
MerkleBlock merkleBlock = new MerkleBlock(block, filter);
Assert.True(merkleBlock.Header.GetHash() == block.GetHash());
var vMatchedTxn = merkleBlock.PartialMerkleTree.GetMatchedTransactions().ToList();
Assert.True(vMatchedTxn.Count == 1);
AssertMatch(block, vMatchedTxn, "0x0a2a92f0bda4727d0a13eaddf4dd9ac6b5c61a1429e6b2b818f19b15df0ac154", 0, 6);
// Also match the 4th transaction
filter.Insert(uint256.Parse("0x02981fa052f0481dbc5868f4fc2166035a10f27a03cfd2de67326471df5bc041"));
merkleBlock = new MerkleBlock(block, filter);
Assert.True(merkleBlock.PartialMerkleTree.Check(block.Header.HashMerkleRoot));
Assert.True(merkleBlock.Header.GetHash() == block.GetHash());
vMatchedTxn = merkleBlock.PartialMerkleTree.GetMatchedTransactions().ToList();
Assert.True(vMatchedTxn.Count == 2);
AssertMatch(block, vMatchedTxn, "0x0a2a92f0bda4727d0a13eaddf4dd9ac6b5c61a1429e6b2b818f19b15df0ac154", 1, 6);
AssertMatch(block, vMatchedTxn, "0x02981fa052f0481dbc5868f4fc2166035a10f27a03cfd2de67326471df5bc041", 0, 3);
}
private bool Notify(Transaction tx, MerkleBlock blk)
{
bool hit = false;
if (blk == null)
{
hit = _Tracker.NotifyTransaction(tx);
}
else
{
var prev = _Chain.GetBlock(blk.Header.HashPrevBlock);
if (prev != null)
{
var header = new ChainedBlock(blk.Header, null, prev);
hit = _Tracker.NotifyTransaction(tx, header, blk);
}
else
{
hit = _Tracker.NotifyTransaction(tx);
}
}
Interlocked.Increment(ref _TotalReceived);
if (!hit)
{
Interlocked.Increment(ref _FalsePositiveCount);
}
return(hit);
}
public async Task <ICollection <TransactionInformation> > GetTransactionsAsync(Script scriptPubKey, bool withProof)
{
if (scriptPubKey == null)
{
throw new ArgumentNullException(nameof(scriptPubKey));
}
var results = _Cache
.GetEntriesFromScript(scriptPubKey)
.Select(entry => new TransactionInformation()
{
Confirmations = entry.Confirmations,
Transaction = entry.Transaction
}).ToList();
if (withProof)
{
foreach (var tx in results.ToList())
{
var completion = new TaskCompletionSource <MerkleBlock>();
bool isRequester = true;
var txid = tx.Transaction.GetHash();
_GettingProof.AddOrUpdate(txid, completion, (k, o) =>
{
isRequester = false;
completion = o;
return(o);
});
if (isRequester)
{
try
{
MerkleBlock proof = null;
var result = await RPCClient.SendCommandNoThrowsAsync("gettxoutproof", new JArray(tx.Transaction.GetHash().ToString())).ConfigureAwait(false);
if (result == null || result.Error != null)
{
completion.TrySetResult(null);
continue;
}
proof = new MerkleBlock();
proof.ReadWrite(Encoders.Hex.DecodeData(result.ResultString));
tx.MerkleProof = proof;
completion.TrySetResult(proof);
}
catch (Exception ex) { completion.TrySetException(ex); }
finally { _GettingProof.TryRemove(txid, out completion); }
}
var merkleBlock = await completion.Task.ConfigureAwait(false);
if (merkleBlock == null)
{
results.Remove(tx);
}
}
}
return(results);
}
public TransactionInformation[] GetTransactions(Script scriptPubKey, bool withProof)
{
if (scriptPubKey == null)
{
throw new ArgumentNullException(nameof(scriptPubKey));
}
var address = scriptPubKey.GetDestinationAddress(RPCClient.Network);
if (address == null)
{
return(new TransactionInformation[0]);
}
var walletTransactions = _Cache.GetEntries();
List <TransactionInformation> results = Filter(walletTransactions, !withProof, address);
if (withProof)
{
foreach (var tx in results.ToList())
{
MerkleBlock proof = null;
var result = RPCClient.SendCommandNoThrows("gettxoutproof", new JArray(tx.Transaction.GetHash().ToString()));
if (result == null || result.Error != null)
{
results.Remove(tx);
continue;
}
proof = new MerkleBlock();
proof.ReadWrite(Encoders.Hex.DecodeData(result.ResultString));
tx.MerkleProof = proof;
}
}
return(results.ToArray());
}
private bool Notify(Transaction tx, MerkleBlock blk)
{
bool hit = false;
if (blk == null)
{
hit = _Tracker.NotifyTransaction(tx);
}
else
{
var prev = _Chain.GetBlock(blk.Header.HashPrevBlock);
if (prev != null)
{
var header = new ChainedBlock(blk.Header, null, prev);
hit = _Tracker.NotifyTransaction(tx, header, blk);
}
else
{
hit = _Tracker.NotifyTransaction(tx);
}
}
Interlocked.Increment(ref _TotalReceived);
if (!hit)
{
Interlocked.Increment(ref _FalsePositiveCount);
if (MaximumFalsePositiveRate != null &&
_TotalReceived > 100 &&
ActualFalsePostiveRate >= MaximumFalsePositiveRate.Value)
{
this.AttachedNode.DisconnectAsync("The actual false positive rate exceed MaximumFalsePositiveRate");
}
}
return(hit);
}
private MerkleProof CreateMerkleProof(Block block, uint256 transactionHash)
{
MerkleBlock merkleBlock = new MerkleBlock(block, new[] { transactionHash });
return(new MerkleProof
{
MerkleRoot = block.Header.HashMerkleRoot,
MerklePath = merkleBlock.PartialMerkleTree.Hashes
});
}
public bool TrackPrunedTransaction(Transaction transaction, MerkleBlock merkleProof)
{
var result = RPCClient.SendCommandNoThrows("importprunedfunds", transaction.ToHex(), Encoders.Hex.EncodeData(merkleProof.ToBytes()));
var success = result != null && result.Error == null;
if (success)
{
_Cache.ImportTransaction(transaction, GetBlockConfirmations(merkleProof.Header.GetHash()));
}
return(success);
}
public Task <MerkleBlock> GetTxOutProofAsync(string[] txids, string blockhash = "")
{
List <uint256> transactionIds = txids.Select(txString => uint256.Parse(txString)).ToList();
ChainedHeaderBlock block = null;
if (!string.IsNullOrEmpty(blockhash))
{
// We presume that all the transactions are supposed to be contained in the same specified block, so we only retrieve it once.
uint256 hashBlock = uint256.Parse(blockhash);
block = this.consensusManager?.GetBlockData(hashBlock);
}
else
{
if (!(this.storeSettings?.TxIndex ?? false))
{
throw new RPCServerException(RPCErrorCode.RPC_INVALID_PARAMETER, "Cannot find block containing specified transactions if hash is not specified and -txindex is disabled");
}
// Loop through txids and try to find which block they're in. Exit loop once a block is found, as they are supposed to all be in the same block.
foreach (uint256 transactionId in transactionIds)
{
ChainedHeader chainedHeader = this.GetTransactionBlock(transactionId);
if (chainedHeader?.BlockDataAvailability != null && chainedHeader.BlockDataAvailability == BlockDataAvailabilityState.BlockAvailable)
{
block = this.consensusManager?.GetBlockData(chainedHeader.HashBlock);
break;
}
}
}
if (block == null)
{
throw new RPCServerException(RPCErrorCode.RPC_INVALID_PARAMETER, "Block not found");
}
// Need to be able to lookup the transactions within the block efficiently.
HashSet <uint256> transactionMap = block.Block.Transactions.Select(t => t.GetHash()).ToHashSet();
// Loop through txids and verify that every transaction is in the block.
foreach (uint256 transactionId in transactionIds)
{
if (!transactionMap.Contains(transactionId))
{
throw new RPCServerException(RPCErrorCode.RPC_INVALID_PARAMETER, "Not all transactions found in specified or retrieved block");
}
}
var result = new MerkleBlock(block.Block, transactionIds.ToArray());
return(Task.FromResult(result));
}
public async Task GetTxOutProof_TransactionInSameSpecifiedBlock_ReturnsProof()
{
ChainedHeader block = this.chain.GetHeader(2);
Transaction tx = block.Block.Transactions.First();
this.consensusManager.Setup(b => b.GetBlockData(It.IsAny <uint256>()))
.Returns(new ChainedHeaderBlock(block.Block, block));
MerkleBlock result = await this.controller.GetTxOutProofAsync(new [] { tx.GetHash().ToString() }, block.HashBlock.ToString());
Assert.NotNull(result);
}
public bool TrackPrunedTransaction(Transaction transaction, MerkleBlock merkleProof)
{
var blockHash = this.tumblingState.blockStoreManager.BlockRepository?.GetTrxBlockIdAsync(transaction.GetHash()).Result;
var chainBlock = this.tumblingState.chain.GetBlock(blockHash);
var block = this.tumblingState.blockStoreManager.BlockRepository?.GetAsync(blockHash).Result;
this.tumblingState.walletManager.ProcessTransaction(transaction, chainBlock.Height, block);
_Cache.ImportTransaction(transaction, GetBlockConfirmations(merkleProof.Header.GetHash()));
return(true);
}
public static SmartMerkleBlock FromBytes(byte[] bytes)
{
var heightBytes = bytes.Take(4).ToArray();
var merkleBlockBytes = bytes.Skip(4).ToArray();
var height = new Height(BitConverter.ToInt32(heightBytes, startIndex: 0));
var merkleBlock = new MerkleBlock();
merkleBlock.FromBytes(merkleBlockBytes);
return(new SmartMerkleBlock(height, merkleBlock));
}
public TransactionInformation GetTransaction(uint256 txId, bool withProof)
{
if (txId == null)
{
throw new ArgumentNullException(nameof(txId));
}
try
{
//check in the wallet tx
var result = RPCClient.SendCommandNoThrows("gettransaction", txId.ToString(), true);
if (result == null || result.Error != null)
{
//check in the txindex
result = RPCClient.SendCommandNoThrows("getrawtransaction", txId.ToString(), 1);
if (result == null || result.Error != null)
{
return(null);
}
}
var tx = new Transaction((string)result.Result["hex"]);
var confirmations = result.Result["confirmations"];
var confCount = confirmations == null ? 0 : Math.Max(0, (int)confirmations);
MerkleBlock proof = null;
if (withProof)
{
if (confCount == 0)
{
return(null);
}
var result1 = RPCClient.SendCommandNoThrows("gettxoutproof", new JArray(tx.GetHash().ToString()));
if (result1 == null || result1.Error != null)
{
return(null);
}
proof = new MerkleBlock();
proof.ReadWrite(Encoders.Hex.DecodeData(result1.ResultString));
}
return(new TransactionInformation
{
Confirmations = confCount,
Transaction = tx,
MerkleProof = proof
});
}
catch (RPCException) { return(null); }
}
void AttachedNode_MessageReceived(Node node, IncomingMessage message)
{
var filterload = message.Message.Payload as FilterLoadPayload;
if (filterload != null)
{
_Filter = filterload.Object;
}
var filteradd = message.Message.Payload as FilterAddPayload;
if (filteradd != null)
{
_Filter.Insert(filteradd.Data);
}
var getdata = message.Message.Payload as GetDataPayload;
if (getdata != null)
{
foreach (var inv in getdata.Inventory)
{
if (inv.Type == InventoryType.MSG_FILTERED_BLOCK && _Filter != null)
{
var merkle = new MerkleBlock(_Blocks[inv.Hash], _Filter);
AttachedNode.SendMessageAsync(new MerkleBlockPayload(merkle));
foreach (var tx in merkle.PartialMerkleTree.GetMatchedTransactions())
{
if (_Known.TryAdd(tx, tx))
{
AttachedNode.SendMessageAsync(new InvPayload(InventoryType.MSG_TX, tx));
}
}
}
var found = FindTransaction(inv.Hash);
if (inv.Type == InventoryType.MSG_TX && found != null)
{
AttachedNode.SendMessageAsync(new TxPayload(found));
}
}
}
var mempool = message.Message.Payload as MempoolPayload;
if (mempool != null)
{
foreach (var tx in _Builder.Mempool)
{
BroadcastCore(tx.Value);
}
}
}
public async Task <IActionResult> GetTxOutProofAsync([FromQuery] string[] txids, string blockhash = "")
{
List <uint256> transactionIds = txids.Select(txString => uint256.Parse(txString)).ToList();
ChainedHeaderBlock block = null;
if (!string.IsNullOrEmpty(blockhash))
{
// We presume that all the transactions are supposed to be contained in the same specified block, so we only retrieve it once.
uint256 hashBlock = uint256.Parse(blockhash);
block = this.consensusManager?.GetBlockData(hashBlock);
}
else
{
// Loop through txids and try to find which block they're in. Exit loop once a block is found.
foreach (uint256 transactionId in transactionIds)
{
ChainedHeader chainedHeader = this.GetTransactionBlock(transactionId);
if (chainedHeader?.BlockDataAvailability != null && chainedHeader.BlockDataAvailability == BlockDataAvailabilityState.BlockAvailable)
{
block = this.consensusManager?.GetBlockData(chainedHeader.HashBlock);
break;
}
}
}
if (block == null)
{
throw new Exception("Block not found");
}
// Need to be able to lookup the transactions within the block efficiently.
HashSet <uint256> transactionMap = block.Block.Transactions.Select(t => t.GetHash()).ToHashSet();
// Loop through txids and verify that every transaction is in the block.
foreach (uint256 transactionId in transactionIds)
{
if (!transactionMap.Contains(transactionId))
{
throw new Exception("Not all transactions found in specified or retrieved block");
}
}
var result = new MerkleBlock(block.Block, transactionIds.ToArray());
return(this.Json(result));
}
public Operation(Transaction transaction, ChainedBlock block, MerkleBlock proof)
: this()
{
Transaction = transaction;
if(block != null)
{
proof = proof.Clone();
proof.PartialMerkleTree = proof.PartialMerkleTree.Trim(transaction.GetHash());
Height = block.Height;
BlockId = block.HashBlock;
Proof = proof;
}
UnconfirmedSeen = DateTimeOffset.UtcNow;
AddedDate = DateTimeOffset.UtcNow;
}
public Operation(Transaction transaction, ChainedBlock block, MerkleBlock proof, ConcurrentDictionary <string, TrackedScript> trackedScripts)
: this(trackedScripts)
{
Transaction = transaction;
if (block != null)
{
proof = proof.Clone();
proof.PartialMerkleTree = proof.PartialMerkleTree.Trim(transaction.GetHash());
Height = block.Height;
BlockId = block.HashBlock;
Proof = proof;
}
UnconfirmedSeen = DateTimeOffset.UtcNow;
AddedDate = DateTimeOffset.UtcNow;
}
public MerkleBlock GetTxOutProof(string[] txids, string blockhash = "")
{
List <uint256> transactionIds = new List <uint256>();
ChainedHeaderBlock block = null;
foreach (var txString in txids)
{
transactionIds.Add(uint256.Parse(txString));
}
if (!string.IsNullOrEmpty(blockhash))
{
// Loop through txids and veryify that the transaction is in the block.
foreach (var transactionId in transactionIds)
{
var hashBlock = uint256.Parse(blockhash);
ChainedHeader chainedHeader = this.GetTransactionBlock(transactionId);
if (chainedHeader.HashBlock != hashBlock)
{
throw new RPCServerException(RPCErrorCode.RPC_INVALID_ADDRESS_OR_KEY, "Not all transactions found in specified or retrieved block");
}
if (block == null && chainedHeader.BlockDataAvailability == BlockDataAvailabilityState.BlockAvailable) // Only get the block once.
{
block = this.consensusManager.GetBlockData(chainedHeader.HashBlock);
}
}
}
else
{
// Loop through txids and try to find which block they're in. Exit loop once a block is found.
foreach (var transactionId in transactionIds)
{
ChainedHeader chainedHeader = this.GetTransactionBlock(transactionId);
if (chainedHeader.BlockDataAvailability == BlockDataAvailabilityState.BlockAvailable)
{
block = this.consensusManager.GetBlockData(chainedHeader.HashBlock);
break;
}
}
}
if (block == null)
{
throw new RPCServerException(RPCErrorCode.RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
}
var result = new MerkleBlock(block.Block, transactionIds.ToArray());
return(result);
}
public static SmartMerkleBlock FromBytes(byte[] bytes)
{
var heightBytes = bytes.Take(4).ToArray();
var merkleBlockBytes = bytes.Skip(4).ToArray();
var height = new Height(BitConverter.ToInt32(heightBytes, startIndex: 0));
// Bypass NBitcoin bug
var merkleBlock = new MerkleBlock();
if (!merkleBlock.ToBytes().SequenceEqual(merkleBlockBytes)) // if not default MerkleBlock
{
merkleBlock.FromBytes(merkleBlockBytes);
}
return(new SmartMerkleBlock(height, merkleBlock));
}
public void merkle_block_2_with_update_none()
{
// Random real block (000000005a4ded781e667e06ceefafb71410b511fe0d5adc3e5a27ecbec34ae6)
// With 4 txes
Block block = new Block();
block.ReadWrite(ParseHex("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"));
BloomFilter filter = new BloomFilter(10, 0.000001, 0, BloomFlags.UPDATE_NONE);
// Match the first transaction
filter.Insert(uint256.Parse("0xe980fe9f792d014e73b95203dc1335c5f9ce19ac537a419e6df5b47aecb93b70"));
MerkleBlock merkleBlock = new MerkleBlock(block, filter);
Assert.True(merkleBlock.Header.GetHash() == block.GetHash());
Assert.True(merkleBlock.PartialMerkleTree.Check(block.Header.HashMerkleRoot));
var vMatchedTxn = merkleBlock.PartialMerkleTree.GetMatchedTransactions().ToList();
Assert.True(vMatchedTxn.Count == 1);
AssertMatch(block, vMatchedTxn, "0xe980fe9f792d014e73b95203dc1335c5f9ce19ac537a419e6df5b47aecb93b70", 0, 0);
// Match an output from the second transaction (the pubkey for address 1DZTzaBHUDM7T3QvUKBz4qXMRpkg8jsfB5)
// This should not match the third transaction though it spends the output matched
// It will match the fourth transaction, which has another pay-to-pubkey output to the same address
filter.Insert(ParseHex("044a656f065871a353f216ca26cef8dde2f03e8c16202d2e8ad769f02032cb86a5eb5e56842e92e19141d60a01928f8dd2c875a390f67c1f6c94cfc617c0ea45af"));
merkleBlock = new MerkleBlock(block, filter);
Assert.True(merkleBlock.Header.GetHash() == block.GetHash());
Assert.True(merkleBlock.PartialMerkleTree.Check(block.Header.HashMerkleRoot));
vMatchedTxn = merkleBlock.PartialMerkleTree.GetMatchedTransactions().ToList();
Assert.True(vMatchedTxn.Count == 3);
AssertMatch(block, vMatchedTxn, "0xe980fe9f792d014e73b95203dc1335c5f9ce19ac537a419e6df5b47aecb93b70", 0, 0);
AssertMatch(block, vMatchedTxn, "0x28204cad1d7fc1d199e8ef4fa22f182de6258a3eaafe1bbe56ebdcacd3069a5f", 1, 1);
AssertMatch(block, vMatchedTxn, "0x3c1d7e82342158e4109df2e0b6348b6e84e403d8b4046d7007663ace63cddb23", 2, 3);
}
private void Notify(Transaction tx, MerkleBlock blk)
{
if (blk == null)
{
_Tracker.NotifyTransaction(tx);
}
else
{
var prev = _Chain.GetBlock(blk.Header.HashPrevBlock);
if (prev != null)
{
var header = new ChainedBlock(blk.Header, null, prev);
_Tracker.NotifyTransaction(tx, header, blk);
}
else
{
_Tracker.NotifyTransaction(tx);
}
}
}
public void merkle_block_1()
{
// Random real block (0000000000013b8ab2cd513b0261a14096412195a72a0c4827d229dcc7e0f7af)
// With 9 txes
Block block = new Block();
block.ReadWrite(ParseHex("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"));
BloomFilter filter = new BloomFilter(10, 0.000001, 0, BloomFlags.UPDATE_ALL);
// Match the last transaction
filter.Insert(uint256.Parse("0x74d681e0e03bafa802c8aa084379aa98d9fcd632ddc2ed9782b586ec87451f20"));
MerkleBlock merkleBlock = block.Filter(filter);
Assert.True(merkleBlock.Header.GetHash() == block.GetHash());
Assert.True(merkleBlock.PartialMerkleTree.Check(block.Header.HashMerkleRoot));
var vMatchedTxn = merkleBlock.PartialMerkleTree.GetMatchedTransactions().ToList();
Assert.True(vMatchedTxn.Count == 1);
AssertMatch(block, vMatchedTxn, "0x74d681e0e03bafa802c8aa084379aa98d9fcd632ddc2ed9782b586ec87451f20", 0, 8);
// Also match the 8th transaction
filter.Insert(uint256.Parse("0xdd1fd2a6fc16404faf339881a90adbde7f4f728691ac62e8f168809cdfae1053"));
merkleBlock = block.Filter(filter);
vMatchedTxn = merkleBlock.PartialMerkleTree.GetMatchedTransactions().ToList();
Assert.True(merkleBlock.PartialMerkleTree.Check(block.Header.HashMerkleRoot));
Assert.True(merkleBlock.Header.GetHash() == block.GetHash());
Assert.True(vMatchedTxn.Count == 2);
AssertMatch(block, vMatchedTxn, "0x74d681e0e03bafa802c8aa084379aa98d9fcd632ddc2ed9782b586ec87451f20", 1, 8);
AssertMatch(block, vMatchedTxn, "0xdd1fd2a6fc16404faf339881a90adbde7f4f728691ac62e8f168809cdfae1053", 0, 7);
}
// TODO: how do we deal with re-orgs?
private void ScanForServiceNodeRegistrations(int height, Block block)
{
foreach (Transaction tx in block.Transactions.Where(RegistrationToken.HasMarker))
{
this.logger.LogDebug("Received a new service node registration transaction: " + tx.GetHash());
try
{
var registrationToken = new RegistrationToken();
registrationToken.ParseTransaction(tx, this.network);
if (!registrationToken.Validate(this.network))
{
this.logger.LogDebug("Registration token failed validation");
continue;
}
// TODO: doesn't belong here
var merkleBlock = new MerkleBlock(block, new[] { tx.GetHash() });
var registrationRecord = new RegistrationRecord(DateTime.Now, Guid.NewGuid(), tx.GetHash().ToString(), tx.ToHex(), registrationToken, merkleBlock.PartialMerkleTree, height);
string collateralAddress = registrationRecord.Token.CollateralPubKeyHash.GetAddress(this.network).ToString();
this.logger.LogTrace("New Service Node Registration");
var serviceNode = new Redstone.ServiceNode.Models.ServiceNode(registrationRecord);
this.serviceNodeManager.AddServiceNode(serviceNode);
}
catch (Exception e)
{
this.logger.LogDebug("Failed to parse registration transaction, exception: " + e);
}
}
this.serviceNodeManager.SyncedHeight = height;
this.serviceNodeManager.SyncedBlockHash = block.GetHash();
}
private void Notify(Transaction tx, MerkleBlock blk)
{
if(blk == null)
{
_Tracker.NotifyTransaction(tx);
}
else
{
var prev = _Chain.GetBlock(blk.Header.HashPrevBlock);
if(prev != null)
{
var header = new ChainedBlock(blk.Header, null, prev);
_Tracker.NotifyTransaction(tx, header, blk);
}
else
{
_Tracker.NotifyTransaction(tx);
}
}
}
private void Received(TrackedScript match, IndexedTxOut txout, ChainedBlock block, MerkleBlock proof)
{
var operation = new Operation(txout.Transaction, block, proof);
SetUnconfirmedSeenIfPossible(txout.Transaction, block, operation);
var coin = new Coin(txout);
operation.ReceivedCoins.Add(Tuple.Create(coin, match.GetId()));
_Operations.AddOrUpdate(operation.GetId(), operation, (k, old) => old.Merge(operation));
var trackedOutpoint = new TrackedOutpoint()
{
Coin = coin,
TrackedScriptId = match.GetId(),
Filter = match.Filter
};
_TrackedOutpoints.TryAdd(trackedOutpoint.GetId(), trackedOutpoint);
}
private void Spent(TrackedScript metadata, IndexedTxIn txin, Coin coin, ChainedBlock block, MerkleBlock proof)
{
var operation = new Operation(txin.Transaction, block, proof);
operation.SpentCoins.Add(Tuple.Create(coin, metadata.GetId()));
SetUnconfirmedSeenIfPossible(txin.Transaction, block, operation);
_Operations.AddOrUpdate(operation.GetId(), operation, (k, old) => old.Merge(operation));
}
public SmartMerkleBlock(Height height, MerkleBlock merkleBlock)
{
Height = height;
MerkleBlock = merkleBlock;
}
private Operation Spent(TrackedScript metadata, IndexedTxIn txin, Coin coin, ChainedBlock block, MerkleBlock proof)
{
var operation = new Operation(txin.Transaction, block, proof, _TrackedScripts);
operation.SpentCoins.Add(Tuple.Create(coin, metadata.GetId()));
SetUnconfirmedSeenIfPossible(txin.Transaction, block, operation);
bool merged = false;
var returned = _Operations.AddOrUpdate(operation.GetId(), operation, (k, old) => old.Merge(operation, out merged));
return (operation == returned || merged) ? operation : null;
}
void AttachedNode_MessageReceived(Node node, IncomingMessage message)
{
var filterload = message.Message.Payload as FilterLoadPayload;
if(filterload != null)
{
_Filter = filterload.Object;
}
var filteradd = message.Message.Payload as FilterAddPayload;
if(filteradd != null)
{
_Filter.Insert(filteradd.Data);
}
var getdata = message.Message.Payload as GetDataPayload;
if(getdata != null)
{
foreach(var inv in getdata.Inventory)
{
if(inv.Type == InventoryType.MSG_FILTERED_BLOCK && _Filter != null)
{
var merkle = new MerkleBlock(_Blocks[inv.Hash], _Filter);
AttachedNode.SendMessageAsync(new MerkleBlockPayload(merkle));
foreach(var tx in merkle.PartialMerkleTree.GetMatchedTransactions())
{
if(_Known.TryAdd(tx, tx))
{
AttachedNode.SendMessageAsync(new InvPayload(InventoryType.MSG_TX, tx));
}
}
}
var found = FindTransaction(inv.Hash);
if(inv.Type == InventoryType.MSG_TX && found != null)
AttachedNode.SendMessageAsync(new TxPayload(found));
}
}
var mempool = message.Message.Payload as MempoolPayload;
if(mempool != null)
{
foreach(var tx in _Builder.Mempool)
{
BroadcastCore(tx.Value);
}
}
var invs = message.Message.Payload as InvPayload;
if(invs != null)
{
node.SendMessageAsync(new GetDataPayload(invs.ToArray()));
}
var txPayload = message.Message.Payload as TxPayload;
if(txPayload != null)
{
if(!_ReceivedTransactions.TryAdd(txPayload.Object.GetHash(), txPayload.Object))
{
node.SendMessageAsync(new RejectPayload()
{
Hash = txPayload.Object.GetHash(),
Code = RejectCode.DUPLICATE,
Message = "tx"
});
}
else
{
foreach(var other in Nodes.Where(n => n != node))
{
other.SendMessageAsync(new InvPayload(txPayload.Object));
}
}
}
}
private bool Notify(Transaction tx, MerkleBlock blk)
{
bool hit = false;
if(blk == null)
{
hit = _Tracker.NotifyTransaction(tx);
}
else
{
var prev = _Chain.GetBlock(blk.Header.HashPrevBlock);
if(prev != null)
{
var header = new ChainedBlock(blk.Header, null, prev);
hit = _Tracker.NotifyTransaction(tx, header, blk);
}
else
{
hit = _Tracker.NotifyTransaction(tx);
}
}
Interlocked.Increment(ref _TotalReceived);
if(!hit)
{
Interlocked.Increment(ref _FalsePositiveCount);
if(MaximumFalsePositiveRate != null
&& _TotalReceived > 100
&& ActualFalsePostiveRate >= MaximumFalsePositiveRate.Value)
{
this.AttachedNode.DisconnectAsync("The actual false positive rate exceed MaximumFalsePositiveRate");
}
}
return hit;
}
void AttachedNode_MessageReceived(Node node, IncomingMessage message)
{
var filterload = message.Message.Payload as FilterLoadPayload;
if(filterload != null)
{
_Filter = filterload.Object;
}
var filteradd = message.Message.Payload as FilterAddPayload;
if(filteradd != null)
{
_Filter.Insert(filteradd.Data);
}
var getdata = message.Message.Payload as GetDataPayload;
if(getdata != null)
{
foreach(var inv in getdata.Inventory)
{
if(inv.Type == InventoryType.MSG_FILTERED_BLOCK && _Filter != null)
{
var merkle = new MerkleBlock(_Blocks[inv.Hash], _Filter);
AttachedNode.SendMessageAsync(new MerkleBlockPayload(merkle));
foreach(var tx in merkle.PartialMerkleTree.GetMatchedTransactions())
{
if(_Known.TryAdd(tx, tx))
{
AttachedNode.SendMessageAsync(new InvPayload(InventoryType.MSG_TX, tx));
}
}
}
var found = FindTransaction(inv.Hash);
if(inv.Type == InventoryType.MSG_TX && found != null)
AttachedNode.SendMessageAsync(new TxPayload(found));
}
}
var mempool = message.Message.Payload as MempoolPayload;
if(mempool != null)
{
foreach(var tx in _Builder.Mempool)
{
BroadcastCore(tx.Value);
}
}
}
public async Task <bool> TrackPrunedTransactionAsync(Transaction transaction, MerkleBlock merkleProof)
{
bool success = false;
await _RPCBatch.WaitTransactionAsync(async batch =>
{
var result = await batch.SendCommandNoThrowsAsync("importprunedfunds", transaction.ToHex(), Encoders.Hex.EncodeData(merkleProof.ToBytes())).ConfigureAwait(false);
success = result != null && result.Error == null;
if (success)
{
_Cache.ImportTransaction(transaction, GetBlockConfirmations(merkleProof.Header.GetHash()));
}
return(success);
}).ConfigureAwait(false);
return(success);
}
private bool Notify(Transaction tx, MerkleBlock blk)
{
bool hit = false;
if(blk == null)
{
hit = _Tracker.NotifyTransaction(tx);
}
else
{
var prev = _Chain.GetBlock(blk.Header.HashPrevBlock);
if(prev != null)
{
var header = new ChainedBlock(blk.Header, null, prev);
hit = _Tracker.NotifyTransaction(tx, header, blk);
}
else
{
hit = _Tracker.NotifyTransaction(tx);
}
}
Interlocked.Increment(ref _TotalReceived);
if(!hit)
{
Interlocked.Increment(ref _FalsePositiveCount);
}
return hit;
}
/// <inheritdoc />
public void ProcessBlock(int height, Block block)
{
// Check for any server registration transactions
if (block.Transactions != null)
{
foreach (Transaction tx in block.Transactions)
{
// Minor optimisation to disregard transactions that cannot be registrations
if (tx.Outputs.Count < 2)
{
continue;
}
// Check if the transaction has the Breeze registration marker output (literal text BREEZE_REGISTRATION_MARKER)
if (tx.Outputs[0].ScriptPubKey.ToHex().ToLower().Equals("6a1a425245455a455f524547495354524154494f4e5f4d41524b4552"))
{
this.logger.LogDebug("Received a new registration transaction: " + tx.GetHash());
try
{
RegistrationToken registrationToken = new RegistrationToken();
registrationToken.ParseTransaction(tx, this.network);
if (!registrationToken.Validate(this.network))
{
this.logger.LogDebug("Registration token failed validation");
continue;
}
MerkleBlock merkleBlock = new MerkleBlock(block, new uint256[] { tx.GetHash() });
RegistrationRecord registrationRecord = new RegistrationRecord(DateTime.Now, Guid.NewGuid(), tx.GetHash().ToString(), tx.ToHex(), registrationToken, merkleBlock.PartialMerkleTree, height);
// Ignore protocol versions outside the accepted bounds
if ((registrationRecord.Record.ProtocolVersion < MIN_PROTOCOL_VERSION) ||
(registrationRecord.Record.ProtocolVersion > MAX_PROTOCOL_VERSION))
{
this.logger.LogDebug("Registration protocol version out of bounds " + tx.GetHash());
continue;
}
// If there were other registrations for this server previously, remove them and add the new one
this.registrationStore.AddWithReplace(registrationRecord);
this.logger.LogDebug("Registration transaction for server collateral address: " + registrationRecord.Record.ServerId);
this.logger.LogDebug("Server Onion address: " + registrationRecord.Record.OnionAddress);
this.logger.LogDebug("Server configuration hash: " + registrationRecord.Record.ConfigurationHash);
// Add collateral address to watch only wallet so that any funding transactions can be detected
this.watchOnlyWalletManager.WatchAddress(registrationRecord.Record.ServerId);
}
catch (Exception e)
{
this.logger.LogDebug("Failed to parse registration transaction, exception: " + e);
}
}
}
WatchOnlyWallet watchOnlyWallet = this.watchOnlyWalletManager.GetWatchOnlyWallet();
// TODO: Need to have 'current height' field in watch-only wallet so that we don't start rebalancing collateral balances before the latest block has been processed & incorporated
// Perform watch-only wallet housekeeping - iterate through known servers
foreach (RegistrationRecord record in this.registrationStore.GetAll())
{
Script scriptToCheck = BitcoinAddress.Create(record.Record.ServerId, this.network).ScriptPubKey;
this.logger.LogDebug("Recalculating collateral balance for server: " + record.Record.ServerId);
if (!watchOnlyWallet.WatchedAddresses.ContainsKey(scriptToCheck.ToString()))
{
this.logger.LogDebug("Server address missing from watch-only wallet. Deleting stored registrations for server: " + record.Record.ServerId);
this.registrationStore.DeleteAllForServer(record.Record.ServerId);
continue;
}
Money serverCollateralBalance = this.watchOnlyWalletManager.GetRelativeBalance(scriptToCheck.ToString());
this.logger.LogDebug("Collateral balance for server " + record.Record.ServerId + " is " + serverCollateralBalance.ToString() + ", original registration height " + record.BlockReceived + ", current height " + height);
if ((serverCollateralBalance < MASTERNODE_COLLATERAL_THRESHOLD) && ((height - record.BlockReceived) > WINDOW_PERIOD_BLOCK_COUNT))
{
// Remove server registrations as funding has not been performed timeously,
// or funds have been removed from the collateral address subsequent to the
// registration being performed
this.logger.LogDebug("Insufficient collateral within window period for server: " + record.Record.ServerId);
this.logger.LogDebug("Deleting registration records for server: " + record.Record.ServerId);
this.registrationStore.DeleteAllForServer(record.Record.ServerId);
// TODO: Remove unneeded transactions from the watch-only wallet?
// TODO: Need to make the TumbleBitFeature change its server address if this is the address it was using
}
}
this.watchOnlyWalletManager.SaveWatchOnlyWallet();
}
}
public void merkle_block_1()
{
// Random real block (0000000000013b8ab2cd513b0261a14096412195a72a0c4827d229dcc7e0f7af)
// With 9 txes
Block block = new Block();
block.ReadWrite(ParseHex("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"));
BloomFilter filter = new BloomFilter(10, 0.000001, 0, BloomFlags.UPDATE_ALL);
// Match the last transaction
filter.Insert(new uint256("0x74d681e0e03bafa802c8aa084379aa98d9fcd632ddc2ed9782b586ec87451f20"));
MerkleBlock merkleBlock = new MerkleBlock(block, filter);
Assert.True(merkleBlock.Header.GetHash() == block.GetHash());
Assert.True(merkleBlock.vMatchedTxn.Count == 1);
var pair = merkleBlock.vMatchedTxn[0];
Assert.True(merkleBlock.vMatchedTxn[0].Item2 == new uint256("0x74d681e0e03bafa802c8aa084379aa98d9fcd632ddc2ed9782b586ec87451f20"));
Assert.True(merkleBlock.vMatchedTxn[0].Item1 == 8);
List<uint256> vMatched = new List<uint256>();
Assert.True(merkleBlock.Txn.ExtractMatches(vMatched) == block.Header.HashMerkleRoot);
Assert.True(vMatched.Count == merkleBlock.vMatchedTxn.Count);
for(int i = 0 ; i < vMatched.Count ; i++)
Assert.True(vMatched[i] == merkleBlock.vMatchedTxn[i].Item2);
// Also match the 8th transaction
filter.Insert(new uint256("0xdd1fd2a6fc16404faf339881a90adbde7f4f728691ac62e8f168809cdfae1053"));
merkleBlock = new MerkleBlock(block, filter);
Assert.True(merkleBlock.Header.GetHash() == block.GetHash());
Assert.True(merkleBlock.vMatchedTxn.Count == 2);
Assert.True(TestUtils.TupleEquals(merkleBlock.vMatchedTxn[1], pair));
Assert.True(merkleBlock.vMatchedTxn[0].Item2 == new uint256("0xdd1fd2a6fc16404faf339881a90adbde7f4f728691ac62e8f168809cdfae1053"));
Assert.True(merkleBlock.vMatchedTxn[0].Item1 == 7);
Assert.True(merkleBlock.Txn.ExtractMatches(vMatched) == block.Header.HashMerkleRoot);
Assert.True(vMatched.Count == merkleBlock.vMatchedTxn.Count);
for(int i = 0 ; i < vMatched.Count ; i++)
Assert.True(vMatched[i] == merkleBlock.vMatchedTxn[i].Item2);
}
private Operation Received(TrackedScript match, IndexedTxOut txout, ChainedBlock block, MerkleBlock proof)
{
var operation = new Operation(txout.Transaction, block, proof, _TrackedScripts);
SetUnconfirmedSeenIfPossible(txout.Transaction, block, operation);
var coin = new Coin(txout);
operation.ReceivedCoins.Add(Tuple.Create(coin, match.GetId()));
bool merged = false;
var returned = _Operations.AddOrUpdate(operation.GetId(), operation, (k, old) => old.Merge(operation, out merged));
var trackedOutpoint = new TrackedOutpoint()
{
Coin = coin,
TrackedScriptId = match.GetId(),
Filter = match.Filter
};
_TrackedOutpoints.TryAdd(trackedOutpoint.GetId(), trackedOutpoint);
return (operation == returned || merged) ? operation : null;
}
void AttachedNode_MessageReceived(Node node, IncomingMessage message)
{
var filterload = message.Message.Payload as FilterLoadPayload;
if(filterload != null)
{
_Filter = filterload.Object;
}
var getdata = message.Message.Payload as GetDataPayload;
if(getdata != null)
{
foreach(var inv in getdata.Inventory)
{
if(inv.Type == InventoryType.MSG_FILTERED_BLOCK && _Filter != null)
{
var merkle = new MerkleBlock(_Blocks[inv.Hash], _Filter);
AttachedNode.SendMessageAsync(new MerkleBlockPayload(merkle));
foreach(var tx in merkle.PartialMerkleTree.GetMatchedTransactions())
{
if(_Known.TryAdd(tx, tx))
{
AttachedNode.SendMessageAsync(new InvPayload(InventoryType.MSG_TX, tx));
}
}
}
if(inv.Type == InventoryType.MSG_TX)
AttachedNode.SendMessageAsync(new TxPayload(_Transactions[inv.Hash]));
}
}
}
void AttachedNode_MessageReceived(Node node, IncomingMessage message)
{
var filterload = message.Message.Payload as FilterLoadPayload;
if (filterload != null)
{
_Filter = filterload.Object;
}
var filteradd = message.Message.Payload as FilterAddPayload;
if (filteradd != null)
{
_Filter.Insert(filteradd.Data);
}
var getdata = message.Message.Payload as GetDataPayload;
if (getdata != null)
{
foreach (var inv in getdata.Inventory)
{
if (inv.Type == InventoryType.MSG_FILTERED_BLOCK && _Filter != null)
{
var merkle = new MerkleBlock(_Blocks[inv.Hash], _Filter);
AttachedNode.SendMessageAsync(new MerkleBlockPayload(merkle));
foreach (var tx in merkle.PartialMerkleTree.GetMatchedTransactions())
{
if (_Known.TryAdd(tx, tx))
{
AttachedNode.SendMessageAsync(new InvPayload(InventoryType.MSG_TX, tx));
}
}
}
var found = FindTransaction(inv.Hash);
if (inv.Type == InventoryType.MSG_TX && found != null)
{
AttachedNode.SendMessageAsync(new TxPayload(found));
}
}
}
var mempool = message.Message.Payload as MempoolPayload;
if (mempool != null)
{
foreach (var tx in _Builder.Mempool)
{
BroadcastCore(tx.Value);
}
}
var invs = message.Message.Payload as InvPayload;
if (invs != null)
{
node.SendMessageAsync(new GetDataPayload(invs.ToArray()));
}
var txPayload = message.Message.Payload as TxPayload;
if (txPayload != null)
{
if (!_ReceivedTransactions.TryAdd(txPayload.Object.GetHash(), txPayload.Object))
{
node.SendMessageAsync(new RejectPayload()
{
Hash = txPayload.Object.GetHash(),
Code = RejectCode.DUPLICATE,
Message = "tx"
});
}
else
{
foreach (var other in Nodes.Where(n => n != node))
{
other.SendMessageAsync(new InvPayload(txPayload.Object));
}
}
}
}
public void merkle_block_2_with_update_none()
{
// Random real block (000000005a4ded781e667e06ceefafb71410b511fe0d5adc3e5a27ecbec34ae6)
// With 4 txes
Block block = new Block();
block.ReadWrite(ParseHex("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"));
BloomFilter filter = new BloomFilter(10, 0.000001, 0, BloomFlags.UPDATE_NONE);
// Match the first transaction
filter.Insert(uint256.Parse("0xe980fe9f792d014e73b95203dc1335c5f9ce19ac537a419e6df5b47aecb93b70"));
MerkleBlock merkleBlock = new MerkleBlock(block, filter);
Assert.True(merkleBlock.Header.GetHash() == block.GetHash());
Assert.True(merkleBlock.PartialMerkleTree.Check(block.Header.HashMerkleRoot));
var vMatchedTxn = merkleBlock.PartialMerkleTree.GetMatchedTransactions().ToList();
Assert.True(vMatchedTxn.Count == 1);
AssertMatch(block, vMatchedTxn, "0xe980fe9f792d014e73b95203dc1335c5f9ce19ac537a419e6df5b47aecb93b70", 0, 0);
// Match an output from the second transaction (the pubkey for address 1DZTzaBHUDM7T3QvUKBz4qXMRpkg8jsfB5)
// This should not match the third transaction though it spends the output matched
// It will match the fourth transaction, which has another pay-to-pubkey output to the same address
filter.Insert(ParseHex("044a656f065871a353f216ca26cef8dde2f03e8c16202d2e8ad769f02032cb86a5eb5e56842e92e19141d60a01928f8dd2c875a390f67c1f6c94cfc617c0ea45af"));
merkleBlock = new MerkleBlock(block, filter);
Assert.True(merkleBlock.Header.GetHash() == block.GetHash());
Assert.True(merkleBlock.PartialMerkleTree.Check(block.Header.HashMerkleRoot));
vMatchedTxn = merkleBlock.PartialMerkleTree.GetMatchedTransactions().ToList();
Assert.True(vMatchedTxn.Count == 3);
AssertMatch(block, vMatchedTxn, "0xe980fe9f792d014e73b95203dc1335c5f9ce19ac537a419e6df5b47aecb93b70", 0, 0);
AssertMatch(block, vMatchedTxn, "0x28204cad1d7fc1d199e8ef4fa22f182de6258a3eaafe1bbe56ebdcacd3069a5f", 1, 1);
AssertMatch(block, vMatchedTxn, "0x3c1d7e82342158e4109df2e0b6348b6e84e403d8b4046d7007663ace63cddb23", 2, 3);
}
public SmartMerkleBlock(int height, Block block, params uint256[] interestedTransactionIds)
{
Height = new Height(height);
MerkleBlock = interestedTransactionIds == null || interestedTransactionIds.Length == 0 ? block.Filter() : block.Filter(interestedTransactionIds);
}
public void merkle_block_3_and_serialize()
{
// Random real block (000000000000dab0130bbcc991d3d7ae6b81aa6f50a798888dfe62337458dc45)
// With one tx
Block block = new Block();
block.ReadWrite(ParseHex("0100000079cda856b143d9db2c1caff01d1aecc8630d30625d10e8b4b8b0000000000000b50cc069d6a3e33e3ff84a5c41d9d3febe7c770fdcc96b2c3ff60abe184f196367291b4d4c86041b8fa45d630101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff08044c86041b020a02ffffffff0100f2052a01000000434104ecd3229b0571c3be876feaac0442a9f13c5a572742927af1dc623353ecf8c202225f64868137a18cdd85cbbb4c74fbccfd4f49639cf1bdc94a5672bb15ad5d4cac00000000"));
BloomFilter filter = new BloomFilter(10, 0.000001, 0, BloomFlags.UPDATE_ALL);
// Match the only transaction
filter.Insert(uint256.Parse("0x63194f18be0af63f2c6bc9dc0f777cbefed3d9415c4af83f3ee3a3d669c00cb5"));
MerkleBlock merkleBlock = new MerkleBlock(block, filter);
Assert.True(merkleBlock.Header.GetHash() == block.GetHash());
Assert.True(merkleBlock.PartialMerkleTree.Check(block.Header.HashMerkleRoot));
var vMatchedTxn = merkleBlock.PartialMerkleTree.GetMatchedTransactions().ToList();
Assert.True(vMatchedTxn.Count == 1);
AssertMatch(block, vMatchedTxn, "0x63194f18be0af63f2c6bc9dc0f777cbefed3d9415c4af83f3ee3a3d669c00cb5", 0, 0);
byte[] vch = ParseHex("0100000079cda856b143d9db2c1caff01d1aecc8630d30625d10e8b4b8b0000000000000b50cc069d6a3e33e3ff84a5c41d9d3febe7c770fdcc96b2c3ff60abe184f196367291b4d4c86041b8fa45d630100000001b50cc069d6a3e33e3ff84a5c41d9d3febe7c770fdcc96b2c3ff60abe184f19630101");
AssertEx.CollectionEquals(merkleBlock.ToBytes(), vch);
}
public void merkle_block_4_test_update_none()
{
// Random real block (000000000000b731f2eef9e8c63173adfb07e41bd53eb0ef0a6b720d6cb6dea4)
// With 7 txes
Block block = new Block();
block.ReadWrite(ParseHex("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"));
BloomFilter filter = new BloomFilter(10, 0.000001, 0, BloomFlags.UPDATE_NONE);
// Match the generation pubkey
filter.Insert(ParseHex("04eaafc2314def4ca98ac970241bcab022b9c1e1f4ea423a20f134c876f2c01ec0f0dd5b2e86e7168cefe0d81113c3807420ce13ad1357231a2252247d97a46a91"));
// ...and the output address of the 4th transaction
filter.Insert(ParseHex("b6efd80d99179f4f4ff6f4dd0a007d018c385d21"));
MerkleBlock merkleBlock = new MerkleBlock(block, filter);
Assert.True(merkleBlock.Header.GetHash() == block.GetHash());
// We shouldn't match any outpoints (UPDATE_NONE)
Assert.True(!filter.Contains(new OutPoint(uint256.Parse("0x147caa76786596590baa4e98f5d9f48b86c7765e489f7a6ff3360fe5c674360b"), 0)));
Assert.True(!filter.Contains((new OutPoint(uint256.Parse("0x02981fa052f0481dbc5868f4fc2166035a10f27a03cfd2de67326471df5bc041"), 0))));
}
public bool NotifyTransaction(Transaction transaction, ChainedBlock chainedBlock, MerkleBlock proof)
{
if(chainedBlock != null)
{
if(proof == null)
throw new ArgumentNullException("proof");
if(proof.Header.GetHash() != chainedBlock.Header.GetHash())
throw new InvalidOperationException("The chained block and the merkle block are different blocks");
if(!proof.PartialMerkleTree.Check(chainedBlock.Header.HashMerkleRoot))
throw new InvalidOperationException("The MerkleBlock does not have the expected merkle root");
if(!proof.PartialMerkleTree.GetMatchedTransactions().Contains(transaction.GetHash()))
throw new InvalidOperationException("The MerkleBlock does not contains the input transaction");
}
var interesting = false;
lock(cs)
{
foreach(var txin in transaction.Inputs.AsIndexedInputs())
{
var key = TrackedOutpoint.GetId(txin.PrevOut);
TrackedOutpoint match;
if(_TrackedOutpoints.TryGetValue(key, out match))
{
TrackedScript parentMetadata;
if(_TrackedScripts.TryGetValue(match.TrackedScriptId, out parentMetadata))
{
interesting = true;
Spent(parentMetadata, txin, match.Coin, chainedBlock, proof);
}
}
}
foreach(var txout in transaction.Outputs.AsIndexedOutputs())
{
var key = TrackedScript.GetId(txout.TxOut.ScriptPubKey);
TrackedScript match;
if(_TrackedScripts.TryGetValue(key, out match))
{
interesting = true;
Received(match, txout, chainedBlock, proof);
}
}
}
return interesting;
}
