/// <exception cref="IOException"/>
public override void BitcoinSerializeToStream(Stream stream)
{
Outpoint.BitcoinSerializeToStream(stream);
stream.Write(new VarInt((ulong)ScriptBytes.Length).Encode());
stream.Write(ScriptBytes);
Utils.Uint32ToByteStreamLe(_sequence, stream);
}
/// <exception cref="System.IO.IOException" />
private void WriteHeader(Stream stream)
{
Utils.Uint32ToByteStreamLe(_version, stream);
stream.Write(Utils.ReverseBytes(_prevBlockHash));
stream.Write(Utils.ReverseBytes(MerkleRoot));
Utils.Uint32ToByteStreamLe(_time, stream);
Utils.Uint32ToByteStreamLe(_difficultyTarget, stream);
Utils.Uint32ToByteStreamLe(_nonce, stream);
}
/// <exception cref="IOException"/>
public override void BitcoinSerializeToStream(Stream stream)
{
stream.Write(new VarInt((ulong)_items.Count).Encode());
foreach (var i in _items)
{
// Write out the type code.
Utils.Uint32ToByteStreamLe((uint)i.Type, stream);
// And now the hash.
stream.Write(Utils.ReverseBytes(i.Hash.Bytes));
}
}
/// <exception cref="IOException"/>
public override void BitcoinSerializeToStream(Stream stream)
{
Utils.Uint32ToByteStreamLe(_version, stream);
stream.Write(new VarInt((ulong)_inputs.Count).Encode());
foreach (var @in in _inputs)
{
@in.BitcoinSerializeToStream(stream);
}
stream.Write(new VarInt((ulong)_outputs.Count).Encode());
foreach (var @out in _outputs)
{
@out.BitcoinSerializeToStream(stream);
}
Utils.Uint32ToByteStreamLe(_lockTime, stream);
}
private byte[] HashTransactionForSignature(SigHash type, bool anyoneCanPay)
{
using (var bos = new MemoryStream())
{
BitcoinSerializeToStream(bos);
// We also have to write a hash type.
var hashType = (uint)type + 1;
if (anyoneCanPay)
{
hashType |= 0x80;
}
Utils.Uint32ToByteStreamLe(hashType, bos);
// Note that this is NOT reversed to ensure it will be signed correctly. If it were to be printed out
// however then we would expect that it is IS reversed.
return(Utils.DoubleDigest(bos.ToArray()));
}
}
public override byte[] BitcoinSerialize()
{
using (var buf = new MemoryStream())
{
// Version, for some reason.
Utils.Uint32ToByteStreamLe(NetworkParameters.ProtocolVersion, buf);
// Then a vector of block hashes. This is actually a "block locator", a set of block
// identifiers that spans the entire chain with exponentially increasing gaps between
// them, until we end up at the genesis block. See CBlockLocator::Set()
buf.Write(new VarInt((ulong) _locator.Count).Encode());
foreach (var hash in _locator)
{
// Have to reverse as wire format is little endian.
buf.Write(Utils.ReverseBytes(hash.Bytes));
}
// Next, a block ID to stop at.
buf.Write(_stopHash.Bytes);
return buf.ToArray();
}
}
/// <exception cref="System.IO.IOException" />
public override void BitcoinSerializeToStream(Stream buf)
{
Utils.Uint32ToByteStreamLe(ClientVersion, buf);
Utils.Uint64ToByteStreamLe(LocalServices, buf);
Utils.Uint64ToByteStreamLe(Time, buf);
// My address.
MyAddr.BitcoinSerializeToStream(buf);
// Their address.
TheirAddr.BitcoinSerializeToStream(buf);
// Next up is the "local host nonce", this is to detect the case of connecting
// back to yourself. We don't care about this as we won't be accepting inbound
// connections.
Utils.Uint64ToByteStreamLe(_localHostNonce, buf);
// Now comes subVer.
var subVerBytes = Encoding.UTF8.GetBytes(SubVer);
buf.Write(new VarInt((ulong)subVerBytes.Length).Encode());
buf.Write(subVerBytes);
// Size of known block chain.
Utils.Uint32ToByteStreamLe(BestHeight, buf);
}
/// <exception cref="System.IO.IOException" />
public override void BitcoinSerializeToStream(Stream stream)
{
if (ProtocolVersion >= 31402)
{
var secs = UnixTime.ToUnixTime(DateTime.UtcNow);
Utils.Uint32ToByteStreamLe((uint)secs, stream);
}
Utils.Uint64ToByteStreamLe(_services, stream); // nServices.
// Java does not provide any utility to map an IPv4 address into IPv6 space, so we have to do it by hand.
var ipBytes = Addr.GetAddressBytes();
if (ipBytes.Length == 4)
{
var v6Addr = new byte[16];
Array.Copy(ipBytes, 0, v6Addr, 12, 4);
v6Addr[10] = 0xFF;
v6Addr[11] = 0xFF;
ipBytes = v6Addr;
}
stream.Write(ipBytes);
// And write out the port. Unlike the rest of the protocol, address and port is in big endian byte order.
stream.Write((byte)(Port >> 8));
stream.Write((byte)Port);
}
/// <exception cref="IOException"/>
public override void BitcoinSerializeToStream(Stream stream)
{
stream.Write(Utils.ReverseBytes(Hash.Bytes));
Utils.Uint32ToByteStreamLe((uint)Index, stream);
}
/// <exception cref="System.IO.IOException" />
public override void BitcoinSerializeToStream(Stream stream)
{
Debug.Assert(Hash.Length == 32);
stream.Write(Utils.ReverseBytes(Hash));
Utils.Uint32ToByteStreamLe((uint)Index, stream);
}