public void Load(BinaryReader br)
{
mHeader = new BlockHeader();
mHeader.Load(br);
int transactionCount = br.ReadInt32();
for (int i = 0; i < transactionCount; i++)
{
Transaction t = new Transaction();
t.Load(br);
mTransactions.Add(t);
}
}
public void HandleHeadersPacket(NodeConnection from, byte[] payload)
{
MemoryStream stream = new MemoryStream(payload);
BinaryReader br = new BinaryReader(stream);
List<BlockHeader> headers = new List<BlockHeader>();
ulong count = Utils.ReadVarInt(br);
Console.WriteLine("Got Headers: " + count);
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 = Utils.ReadVarInt(br);
if (!mIgnoreSigLen)
{
ulong siglen = Utils.ReadVarInt(br);
br.ReadBytes((int)siglen);
}
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 (!mPickedHashType)
{
mUseScryptHash = headers[0].ValidateHash();
mPickedHashType = true;
}
headers[headers.Count - 1].ComputeHash(mUseScryptHash);
mPendingHeaders = headers;
mLastNode = from;
}
public void HandleBlockPacket(NodeConnection from, byte[] payload)
{
MemoryStream stream = new MemoryStream(payload);
BinaryReader br = new BinaryReader(stream);
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 = Utils.ReadVarInt(br);
BlockHeader h = new BlockHeader(version, prevBlock, merkle, time, bits, nonce);
h.ComputeHash(mUseScryptHash);
Block block = FindBlock(h.mHash);
if (block == null)
{
// Create a new block
string hash = Utils.ByteArrayToHexString(h.mHash);
Console.WriteLine("does a new block ever get introduced this way!?? " + hash);
return;
}
block.mTransactions.Clear();
for (ulong j = 0; j < txn; j++)
{
Transaction tx = new Transaction();
tx.mVersion = br.ReadUInt32();
if( mTransactionTimeStamp )
tx.mTimestamp = br.ReadUInt32();
ulong inCount = Utils.ReadVarInt(br);
for (ulong k = 0; k < inCount; k++)
{
TransactionInput ti = new TransactionInput();
ti.mPrevOuptutHash = br.ReadBytes(32);
ti.mPrevOutputIndex = br.ReadUInt32();
ulong scriptLen = Utils.ReadVarInt(br);
ti.mScript = br.ReadBytes((int)scriptLen);
ti.mSequence = br.ReadUInt32();
tx.mInputs.Add(ti);
}
ulong outCount = Utils.ReadVarInt(br);
for (ulong k = 0; k < outCount; k++)
{
TransactionOutput to = new TransactionOutput();
to.mValue = br.ReadUInt64();
to.mRealValue = (double)to.mValue / 1000000.0;
ulong scriptLen = Utils.ReadVarInt(br);
to.mScript = br.ReadBytes((int)scriptLen);
tx.mOutputs.Add(to);
}
tx.mLockTime = br.ReadUInt32();
if (tx.mVersion > 1)
{
ulong commentLen = Utils.ReadVarInt(br);
tx.mComment = br.ReadBytes((int)commentLen);
}
block.mTransactions.Add(tx);
}
br.Close();
}
public void RequestBlocks(BlockHeader[] headers)
{
MemoryStream stream = new MemoryStream();
BinaryWriter bw = new BinaryWriter(stream);
int count = headers.Length;
Utils.WriteVarInt(bw, (ulong)count);
foreach (BlockHeader b in headers)
{
const int blockType = 2;
bw.Write(blockType);
bw.Write(b.mHash);
}
SendPacket("getdata", stream.ToArray());
bw.Close();
}
