public byte[] UserAgentBytes; // varstring
public BitcoinVersionPayload(BitcoinVarString userAgent, byte[] nonceBytes, BitcoinNetworkAddressPayload sender,
BitcoinNetworkAddressPayload receiver)
{
this.ProtocolVersion = ChatClientConfiguration.ProtocolVersion;
this.ProtocolVersionBytes = BitConverter.GetBytes(ChatClientConfiguration.ProtocolVersion);
this.Services = ChatClientConfiguration.OwnPeerServices;
this.ServicesBytes = BitConverter.GetBytes((ulong)this.Services);
this.TimeStamp = DateTimeOffset.UtcNow;
this.TimestampBytes = BitConverter.GetBytes((ulong)this.TimeStamp.ToUnixTimeSeconds());
this.Sender = sender;
this.SenderAddressBytes = sender.SerializeForVersion();
this.Receiver = receiver;
this.ReceiverAddressBytes = receiver.SerializeForVersion();
this.NonceBytes = nonceBytes;
this.UserAgent = userAgent;
this.UserAgentBytes = userAgent.VarStringBytes;
this.StartHeightBytes = new byte[4];
this.StartHeight = BitConverter.ToUInt32(this.StartHeightBytes, 0);
this.RelayBytes = new byte[1];
this.RelayBytes[0] = 1;
}
public BitcoinAddrPayload(byte[] serialized)
{
this.Addresses = new List <BitcoinNetworkAddressPayload>();
this.AddrCount = new BitcoinVarInt(serialized);
var currentOffset = this.AddrCount.SerializedLength;
for (var i = currentOffset; i < 30 * (int)this.AddrCount.Value; i += 30)
{
var addr = new BitcoinNetworkAddressPayload(serialized, i, true);
this.Addresses.Add(addr);
}
}
public static Peer ToPeer(this BitcoinNetworkAddressPayload payload)
{
var p = new Peer
{
Id = CreatePeerId(payload.IPAddress, payload.Port),
IPAddress = payload.IPAddress,
ProtocolPort = payload.Port,
LastSeen = payload.Timestamp.DateTime,
PeerServices = payload.PeerServices,
LastError = DateTime.SpecifyKind(DateTime.MinValue, DateTimeKind.Utc)
};
return(p);
}
public BitcoinVersionPayload(byte[] serialized)
{
this.ProtocolVersionBytes = new byte[4];
Buffer.BlockCopy(serialized, 0, this.ProtocolVersionBytes, 0, 4);
this.ProtocolVersion = BitConverter.ToUInt32(this.ProtocolVersionBytes, 0);
this.ServicesBytes = new byte[8];
Buffer.BlockCopy(serialized, 4, this.ServicesBytes, 0, 8);
this.Services = (PeerServices)BitConverter.ToUInt64(this.ServicesBytes, 0);
this.TimestampBytes = new byte[8];
Buffer.BlockCopy(serialized, 12, this.TimestampBytes, 0, 8);
this.TimeStamp = DateTimeOffset.FromUnixTimeSeconds((long)BitConverter.ToUInt64(this.TimestampBytes, 0));
this.ReceiverAddressBytes = new byte[26];
Buffer.BlockCopy(serialized, 20, this.ReceiverAddressBytes, 0, 26);
this.Receiver = new BitcoinNetworkAddressPayload(this.ReceiverAddressBytes, 0, false);
this.SenderAddressBytes = new byte[26];
Buffer.BlockCopy(serialized, 46, this.SenderAddressBytes, 0, 26);
this.Sender = new BitcoinNetworkAddressPayload(this.SenderAddressBytes, 0, false);
this.NonceBytes = new byte[8];
Buffer.BlockCopy(serialized, 72, this.NonceBytes, 0, 8);
this.UserAgent = new BitcoinVarString(serialized, 80);
this.UserAgentBytes = this.UserAgent.VarStringBytes;
this.StartHeightBytes = new byte[4];
Buffer.BlockCopy(serialized, 80 + this.UserAgent.SerializedLength, this.StartHeightBytes, 0, 4);
this.StartHeight = BitConverter.ToUInt32(this.StartHeightBytes, 0);
this.RelayBytes = new byte[1];
this.RelayBytes[0] = serialized[80 + this.UserAgent.SerializedLength + 4];
}
async Task AddToAddressBookIfNotExistsAsync(BitcoinNetworkAddressPayload receivedAddress)
{
var peer = receivedAddress.ToPeer();
await this.peerRepository.AddIfNotExistsAsync(peer);
}