/// <summary>
/// Parses the given private key as created by the "dumpprivkey" BitCoin C++ RPC.
/// </summary>
/// <param name="networkParams">The expected network parameters of the key. If you don't care, provide null.</param>
/// <param name="encoded">The base58 encoded string.</param>
/// <exception cref="AddressFormatException">If the string is invalid or the header byte doesn't match the network params.</exception>
public DumpedPrivateKey(NetworkParameters networkParams, string encoded)
: base(encoded)
{
if (networkParams != null && Version != networkParams.DumpedPrivateKeyHeader)
throw new AddressFormatException("Mismatched version number, trying to cross networks? " + Version +
" vs " + networkParams.DumpedPrivateKeyHeader);
}
/// <summary>
/// Construct an address from parameters and the standard "human readable" form.
/// </summary>
/// <remarks>
/// Example:<p/>
/// <pre>new Address(NetworkParameters.prodNet(), "17kzeh4N8g49GFvdDzSf8PjaPfyoD1MndL");</pre>
/// </remarks>
/// <exception cref="AddressFormatException"/>
public Address(NetworkParameters networkParams, string address)
: base(address)
{
if (Version != networkParams.AddressHeader)
throw new AddressFormatException("Mismatched version number, trying to cross networks? " + Version +
" vs " + networkParams.AddressHeader);
}
/// <summary>
/// Used only in creation of the genesis block.
/// </summary>
internal TransactionInput(NetworkParameters networkParams, Transaction parentTransaction, byte[] scriptBytes)
: base(networkParams)
{
ScriptBytes = scriptBytes;
Outpoint = new TransactionOutPoint(networkParams, -1, null);
_sequence = uint.MaxValue;
ParentTransaction = parentTransaction;
}
internal TransactionOutput(NetworkParameters networkParams, Transaction parent, ulong value, Address to)
: base(networkParams)
{
_value = value;
_scriptBytes = Script.CreateOutputScript(to);
ParentTransaction = parent;
_availableForSpending = true;
}
/// <summary>
/// Used only in creation of the genesis blocks and in unit tests.
/// </summary>
internal TransactionOutput(NetworkParameters networkParams, Transaction parent, byte[] scriptBytes)
: base(networkParams)
{
_scriptBytes = scriptBytes;
_value = Utils.ToNanoCoins(50, 0);
ParentTransaction = parent;
_availableForSpending = true;
}
internal Transaction(NetworkParameters networkParams)
: base(networkParams)
{
_version = 1;
_inputs = new List<TransactionInput>();
_outputs = new List<TransactionOutput>();
// We don't initialize appearsIn deliberately as it's only useful for transactions stored in the wallet.
}
/// <summary>
/// Creates an UNSIGNED input that links to the given output
/// </summary>
internal TransactionInput(NetworkParameters networkParams, Transaction parentTransaction, TransactionOutput output)
: base(networkParams)
{
var outputIndex = output.Index;
Outpoint = new TransactionOutPoint(networkParams, outputIndex, output.ParentTransaction);
ScriptBytes = EmptyArray;
_sequence = uint.MaxValue;
ParentTransaction = parentTransaction;
}
/// <summary>
/// Creates a new, empty wallet with no keys and no transactions. If you want to restore a wallet from disk instead,
/// see loadFromFile.
/// </summary>
public Wallet(NetworkParameters networkParams)
{
_params = networkParams;
Keychain = new List<EcKey>();
Unspent = new Dictionary<Sha256Hash, Transaction>();
Spent = new Dictionary<Sha256Hash, Transaction>();
_inactive = new Dictionary<Sha256Hash, Transaction>();
Pending = new Dictionary<Sha256Hash, Transaction>();
_dead = new Dictionary<Sha256Hash, Transaction>();
}
public VersionMessage(NetworkParameters networkParams, uint newBestHeight)
: base(networkParams)
{
ClientVersion = NetworkParameters.ProtocolVersion;
LocalServices = 0;
Time = UnixTime.ToUnixTime(DateTime.UtcNow);
// Note that the official client doesn't do anything with these, and finding out your own external IP address
// is kind of tricky anyway, so we just put nonsense here for now.
MyAddr = new PeerAddress(IPAddress.Loopback, networkParams.Port, 0);
TheirAddr = new PeerAddress(IPAddress.Loopback, networkParams.Port, 0);
SubVer = "BitCoinSharp 0.3-SNAPSHOT";
BestHeight = newBestHeight;
}
internal TransactionOutPoint(NetworkParameters networkParams, int index, Transaction fromTx)
: base(networkParams)
{
Index = index;
if (fromTx != null)
{
Hash = fromTx.Hash;
FromTx = fromTx;
}
else
{
// This happens when constructing the genesis block.
Hash = Sha256Hash.ZeroHash;
}
}
/// <exception cref="ProtocolException"/>
internal Message(NetworkParameters networkParams, byte[] msg, int offset, uint protocolVersion = NetworkParameters.ProtocolVersion)
{
ProtocolVersion = protocolVersion;
Params = networkParams;
Bytes = msg;
Cursor = Offset = offset;
Parse();
#if SELF_CHECK
// Useful to ensure serialize/deserialize are consistent with each other.
if (GetType() != typeof (VersionMessage))
{
var msgbytes = new byte[Cursor - offset];
Array.Copy(msg, offset, msgbytes, 0, Cursor - offset);
var reserialized = BitcoinSerialize();
if (!reserialized.SequenceEqual(msgbytes))
throw new Exception("Serialization is wrong: " + Environment.NewLine +
Utils.BytesToHexString(reserialized) + " vs " + Environment.NewLine +
Utils.BytesToHexString(msgbytes));
}
#endif
Bytes = null;
}
/// <summary>
/// Connect to the given IP address using the port specified as part of the network parameters. Once construction
/// is complete a functioning network channel is set up and running.
/// </summary>
/// <param name="peerAddress">IP address to connect to. IPv6 is not currently supported by BitCoin. If port is not positive the default port from params is used.</param>
/// <param name="networkParams">Defines which network to connect to and details of the protocol.</param>
/// <param name="bestHeight">How many blocks are in our best chain</param>
/// <param name="connectTimeout">Timeout in milliseconds when initially connecting to peer</param>
/// <exception cref="IOException">If there is a network related failure.</exception>
/// <exception cref="ProtocolException">If the version negotiation failed.</exception>
public NetworkConnection(PeerAddress peerAddress, NetworkParameters networkParams, uint bestHeight, int connectTimeout)
{
_params = networkParams;
remoteIp = peerAddress.Addr;
var port = (peerAddress.Port > 0) ? peerAddress.Port : networkParams.Port;
var address = new IPEndPoint(remoteIp, port);
_socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
_socket.Connect(address);
_socket.SendTimeout = _socket.ReceiveTimeout = connectTimeout;
_out = new NetworkStream(_socket, FileAccess.Write);
_in = new NetworkStream(_socket, FileAccess.Read);
// the version message never uses check-summing. Update check-summing property after version is read.
serializer = new BitcoinSerializer(networkParams, true); // SDL: Checksuming now ALWAYS necessary
versionMessage = Handshake(networkParams, bestHeight);
// newer clients use check-summing
serializer.UseChecksumming(versionMessage.ClientVersion >= 209);
// Handshake is done!
}
/// <exception cref="ProtocolException"/>
protected ListMessage(NetworkParameters networkParams, byte[] bytes)
: base(networkParams, bytes, 0)
{
}
internal Message(NetworkParameters networkParams)
{
Params = networkParams;
}
/// <exception cref="ProtocolException"/>
internal AddressMessage(NetworkParameters networkParams, byte[] payload)
: base(networkParams, payload, 0)
{
}
/// <summary>
/// Special case constructor, used for the genesis node, cloneAsHeader and unit tests.
/// </summary>
internal Block(NetworkParameters networkParams)
: base(networkParams)
{
// Set up a few basic things. We are not complete after this though.
_version = 1;
_difficultyTarget = 0x1d07fff8;
_time = (uint) UnixTime.ToUnixTime(DateTime.UtcNow);
_prevBlockHash = Sha256Hash.ZeroHash;
}
/// <summary>
/// Deserializes the message. This is usually part of a transaction message.
/// </summary>
/// <exception cref="ProtocolException"/>
public TransactionOutPoint(NetworkParameters networkParams, byte[] payload, int offset)
: base(networkParams, payload, offset)
{
}
/// <summary>
/// Deserializes a transaction output message. This is usually part of a transaction message.
/// </summary>
/// <exception cref="ProtocolException"/>
public TransactionOutput(NetworkParameters networkParams, Transaction parent, byte[] payload, int offset)
: base(networkParams, payload, offset)
{
ParentTransaction = parent;
_availableForSpending = true;
}
/// <summary>
/// Construct a peer that handles the given network connection and reads/writes from the given block chain. Note that
/// communication won't occur until you call connect().
/// </summary>
public Peer(NetworkParameters networkParams, PeerAddress address, BlockChain blockChain)
: this(networkParams, address, 0, blockChain)
{
}
/// <summary>
/// Constructs a BlockChain connected to the given list of wallets and a store.
/// </summary>
/// <exception cref="BlockStoreException"/>
public BlockChain(NetworkParameters networkParams, IEnumerable<Wallet> wallets, IBlockStore blockStore)
{
_blockStore = blockStore;
_chainHead = blockStore.GetChainHead();
Log.InfoFormat("chain head is:{0}{1}", Environment.NewLine, _chainHead.Header);
_params = networkParams;
_wallets = new List<Wallet>(wallets);
}
internal Message(NetworkParameters networkParams)
{
Params = networkParams;
}
/// <summary>
/// Constructs a BlockChain that has no wallet at all. This is helpful when you don't actually care about sending
/// and receiving coins but rather, just want to explore the network data structures.
/// </summary>
/// <exception cref="BlockStoreException"/>
public BlockChain(NetworkParameters networkParams, IBlockStore blockStore)
: this(networkParams, new List<Wallet>(), blockStore)
{
}
public GetBlocksMessage(NetworkParameters networkParams, IList<Sha256Hash> locator, Sha256Hash stopHash)
: base(networkParams)
{
_locator = locator;
_stopHash = stopHash;
}
/// <summary>
/// Construct a peer address from a serialized payload.
/// </summary>
/// <exception cref="ProtocolException"/>
public PeerAddress(NetworkParameters networkParams, byte[] payload, int offset, uint protocolVersion)
: base(networkParams, payload, offset, protocolVersion)
{
}
protected ListMessage(NetworkParameters networkParams)
: base(networkParams)
{
_items = new List<InventoryItem>();
}
/// <summary>
/// Returns the address that corresponds to the public part of this ECKey. Note that an address is derived from
/// the RIPEMD-160 hash of the public key and is not the public key itself (which is too large to be convenient).
/// </summary>
public Address ToAddress(NetworkParameters networkParams)
{
var hash160 = Utils.Sha256Hash160(_pub);
return(new Address(networkParams, hash160));
}
/// <summary>
/// Construct a peer that handles the given network connection and reads/writes from the given block chain. Note that
/// communication won't occur until you call Connect().
/// </summary>
/// <param name="bestHeight">Our current best chain height, to facilitate downloading.</param>
public Peer(NetworkParameters networkParams, PeerAddress address, uint bestHeight, BlockChain blockChain)
{
_params = networkParams;
_address = address;
_bestHeight = bestHeight;
_blockChain = blockChain;
_pendingGetBlockFutures = new List<GetDataFuture<Block>>();
}
/// <exception cref="ProtocolException"/>
public UnknownMessage(NetworkParameters networkParams, string name, byte[] payloadBytes)
: base(networkParams, payloadBytes, 0)
{
_name = name;
}
/// <summary>
/// Deserializes a transaction output message. This is usually part of a transaction message.
/// </summary>
/// <exception cref="ProtocolException"/>
public TransactionOutput(NetworkParameters networkParams, Transaction parent, byte[] payload, int offset)
: base(networkParams, payload, offset)
{
ParentTransaction = parent;
_availableForSpending = true;
}
/// <summary>
/// Constructs a BitcoinSerializer with the given behavior.
/// </summary>
/// <param name="networkParams">MetworkParams used to create Messages instances and determining packetMagic</param>
/// <param name="usesChecksumming">Set to true if checksums should be included and expected in headers</param>
public BitcoinSerializer(NetworkParameters networkParams, bool usesChecksumming)
{
_params = networkParams;
_usesChecksumming = usesChecksumming;
}
/// <exception cref="ProtocolException"/>
public VersionMessage(NetworkParameters networkParams, byte[] msg)
: base(networkParams, msg, 0)
{
}
/// <exception cref="ProtocolException"/>
internal AddressMessage(NetworkParameters networkParams, byte[] payload, int offset)
: base(networkParams, payload, offset)
{
}
/// <summary>
/// Constructs a BlockChain connected to the given wallet and store. To obtain a <see cref="Wallet"/> you can construct
/// one from scratch, or you can deserialize a saved wallet from disk using <see cref="Wallet.LoadFromFile"/>.
/// </summary>
/// <remarks>
/// For the store you can use a <see cref="MemoryBlockStore"/> if you don't care about saving the downloaded data, or a
/// <see cref="BoundedOverheadBlockStore"/> if you'd like to ensure fast start-up the next time you run the program.
/// </remarks>
/// <exception cref="BlockStoreException"/>
public BlockChain(NetworkParameters networkParams, Wallet wallet, IBlockStore blockStore)
: this(networkParams, new List<Wallet>(), blockStore)
{
if (wallet != null)
AddWallet(wallet);
}
/// <summary>
/// Exports the private key in the form used by the Satoshi client "dumpprivkey" and "importprivkey" commands. Use
/// the <see cref="DumpedPrivateKey.ToString"/> method to get the string.
/// </summary>
/// <param name="networkParams">The network this key is intended for use on.</param>
/// <returns>Private key bytes as a <see cref="DumpedPrivateKey"/>.</returns>
public DumpedPrivateKey GetPrivateKeyEncoded(NetworkParameters networkParams)
{
return(new DumpedPrivateKey(networkParams, GetPrivKeyBytes()));
}
/// <exception cref="ProtocolException"/>
public VersionMessage(NetworkParameters networkParams, byte[] msg)
: base(networkParams, msg, 0)
{
}
/// <summary>
/// Construct a peer address from a serialized payload.
/// </summary>
/// <exception cref="ProtocolException"/>
public PeerAddress(NetworkParameters networkParams, byte[] payload, int offset, uint protocolVersion)
: base(networkParams, payload, offset, protocolVersion)
{
}
