public void HandleHeadersPacket(NodeConnection node, byte[] payload) { MemoryStream stream = new MemoryStream(payload); BinaryReader br = new BinaryReader(stream); List <BlockHeader> headers = new List <BlockHeader>(); ulong count = Program.ReadVarInt(br); if (count == 0) { mPullingHeaders = false; return; } for (ulong i = 0; i < count; i++) { uint version = br.ReadUInt32(); byte[] prevBlock = br.ReadBytes(32); byte[] merkle = br.ReadBytes(32); uint time = br.ReadUInt32(); uint bits = br.ReadUInt32(); uint nonce = br.ReadUInt32(); ulong txn = Program.ReadVarInt(br); if (!mIgnoreSigLen) { ulong siglen = Program.ReadVarInt(br); } BlockHeader header = new BlockHeader(version, prevBlock, merkle, time, bits, nonce); if (headers.Count > 0) { headers[headers.Count - 1].mHash = prevBlock; } headers.Add(header); } br.Close(); if (headers[0].mHash != null) { headers[0].ValidateHash(); } mBlockLock.WaitOne(); foreach (BlockHeader h in headers) { Block b = new Block(); b.mHeader = h; if (b.mHeader.mHash == null) { b.mHeader.ComputeHash(mScryptBlockHash); } b.mHash = Program.HashToString(b.mHeader.mHash); mBlocks.Add(b); } mCurrentHeight += (uint)headers.Count; if (count < 2000) { // End of the list // Remove all blocks that are older than we care about RemoveOldBlocks(); // If we want transaction data, request the full blocks if (mWantsTransactionData) { headers.Clear(); mBlockLock.WaitOne(); foreach (Block b in mBlocks) { if (b.mTransactions.Count < 1) { headers.Add(b.mHeader); } } mBlockLock.ReleaseMutex(); node.RequestBlocks(headers.ToArray()); } mPullingHeaders = false; } else { // Request again til we get all of them node.RequestHeaders(mBlocks[mBlocks.Count - 1].mHeader.mHash); } mBlockLock.ReleaseMutex(); Console.WriteLine("Blocks: " + mCurrentHeight); }
public void HandleHeadersPacket(NodeConnection node, byte[] payload) { MemoryStream stream = new MemoryStream(payload); BinaryReader br = new BinaryReader(stream); List<BlockHeader> headers = new List<BlockHeader>(); ulong count = Program.ReadVarInt(br); if (count == 0) { mPullingHeaders = false; return; } for (ulong i = 0; i < count; i++) { uint version = br.ReadUInt32(); byte[] prevBlock = br.ReadBytes(32); byte[] merkle = br.ReadBytes(32); uint time = br.ReadUInt32(); uint bits = br.ReadUInt32(); uint nonce = br.ReadUInt32(); ulong txn = Program.ReadVarInt(br); if( !mIgnoreSigLen ) { ulong siglen = Program.ReadVarInt(br); } BlockHeader header = new BlockHeader(version, prevBlock, merkle, time, bits, nonce); if (headers.Count > 0) headers[headers.Count - 1].mHash = prevBlock; headers.Add(header); } br.Close(); if( headers[0].mHash != null ) headers[0].ValidateHash(); mBlockLock.WaitOne(); foreach (BlockHeader h in headers) { Block b = new Block(); b.mHeader = h; if (b.mHeader.mHash == null) b.mHeader.ComputeHash(mScryptBlockHash); b.mHash = Program.HashToString(b.mHeader.mHash); mBlocks.Add(b); } mCurrentHeight += (uint)headers.Count; if (count < 2000) { // End of the list // Remove all blocks that are older than we care about RemoveOldBlocks(); // If we want transaction data, request the full blocks if (mWantsTransactionData) { headers.Clear(); mBlockLock.WaitOne(); foreach( Block b in mBlocks ) { if( b.mTransactions.Count < 1) headers.Add(b.mHeader); } mBlockLock.ReleaseMutex(); node.RequestBlocks(headers.ToArray()); } mPullingHeaders = false; } else { // Request again til we get all of them node.RequestHeaders(mBlocks[mBlocks.Count - 1].mHeader.mHash); } mBlockLock.ReleaseMutex(); Console.WriteLine("Blocks: " + mCurrentHeight); }