/// <summary>
/// Special case constructor, used for the genesis node, cloneAsHeader and unit tests.
/// </summary>
internal BlockMessage(P2PNetworkParameters netParams) : base(netParams)
{
// Set up a few basic things. We are not complete after this though.
_version = 1;
_difficultyTarget = 0x1d07fff8;
_time = (uint)P2PConnectionManager.GetUTCNowWithOffset();
_prevBlockHash = new byte[32];
}
/// <summary>
/// Construct a peer address from a memorized or hardcoded address.
/// </summary>
public PeerAddress(IPAddress addr, ushort port, ulong services, P2PNetworkParameters netParams, bool isInVersionMessage = false) : base(netParams)
{
_addr = addr;
_port = port;
_time = (uint)P2PConnectionManager.GetUTCNowWithOffset();
ProtocolVersion = netParams.ClientVersion;
_services = services;
_isInVersionMessage = isInVersionMessage;
}
public VersionMessage(IPAddress remoteIpAddress, ushort remotePort, Socket sock, uint newBestHeight, uint remoteClientVersion, P2PNetworkParameters netParams, ulong remoteServices = (ulong)P2PNetworkParameters.NODE_NETWORK.FULL_NODE) : base(netParams)
{
_localServices = P2PNetParameters.Services;
_time = P2PConnectionManager.GetUTCNowWithOffset();
_myAddr = new PeerAddress(IPAddress.Loopback, Convert.ToUInt16(((IPEndPoint)sock.LocalEndPoint).Port), netParams.Services, P2PNetParameters, true);
_theirAddr = new PeerAddress(remoteIpAddress, remotePort, remoteServices, P2PNetParameters, true);
_nonce = P2PNetworkParameters.VersionConnectNonce;
_userAgent = P2PNetworkParameters.UserAgentString;
_startBlockHeight = newBestHeight;
_relay = P2PNetParameters.Relay;
}
private bool pCheckTimestamp()
{
var currentTime = P2PConnectionManager.GetUTCNowWithOffset();
if (_time > currentTime + _allowedTimeDrift)
{
#if (DEBUG)
Console.WriteLine("Block too far in future");
#endif
return(false);
}
return(true);
}
protected override void Parse()
{
// Format of a serialized address:
// uint32 timestamp
// uint64 services (flags determining what the node can do)
// 16 bytes IP address
// 2 bytes port num
if (!_isInVersionMessage)
{
if (ProtocolVersion > 31402)
{
_time = ReadUint32();
}
else
{
_time = uint.MaxValue;
}
}
else
{
_time = (uint)P2PConnectionManager.GetUTCNowWithOffset();
}
_services = ReadUint64();
var addrBytes = ReadBytes(16);
if (new BigInteger(addrBytes, 0, 12).Equals(BigInteger.ValueOf(0xFFFF)))
{
var newBytes = new byte[4];
Array.Copy(addrBytes, 12, newBytes, 0, 4);
addrBytes = newBytes;
}
_addr = new IPAddress(addrBytes);
_port = Convert.ToUInt16((Bytes[Cursor++] << 8) | Bytes[Cursor++]);
Bytes = null;
}