public void SetUp()
{
_defaultWallet = new DefaultWallet(_params);
_blockStore = new MemoryBlockStore(_params);
var chain = new BlockChain(_params, _defaultWallet, _blockStore);
_peerGroup = new PeerGroup(_blockStore, _params, chain);
}
public void SetUp()
{
_unitTestParams = NetworkParameters.UnitTests();
_defaultWallet = new DefaultWallet(_unitTestParams);
_defaultWallet.AddKey(new EcKey());
_chainBlockStore = new MemoryBlockStore(_unitTestParams);
_chain = new BlockChain(_unitTestParams, _defaultWallet, _chainBlockStore);
_coinbaseTo = _defaultWallet.Keychain[0].ToAddress(_unitTestParams);
_someOtherGuy = new EcKey().ToAddress(_unitTestParams);
}
public static void Run(string[] args)
{
var wallet = new DefaultWallet(NetworkParameters);
using (var blockStore = new MemoryBlockStore(NetworkParameters))
{
var chain = new BlockChain(NetworkParameters, wallet, blockStore);
var peerGroup = new PeerGroup(blockStore, NetworkParameters, chain);
//peerGroup.AddAddress(new PeerAddress(new IPAddress(new byte[]{ 192, 168, 1, 136 }), 18333));
peerGroup.AddPeerDiscovery(new DnsDiscovery(NetworkParameters));
peerGroup.Start();
// Act
peerGroup.DownloadBlockChain();
peerGroup.Stop();
}
//var file = new FileInfo(args[0]);
//var wallet = Wallet.LoadFromFile(file);
//Console.WriteLine(wallet.ToString());
//// Set up the components and link them together.
//var @params = NetworkParameters.TestNet();
//using (var blockStore = new MemoryBlockStore(@params))
//{
// var chain = new BlockChain(@params, wallet, blockStore);
// var peerGroup = new PeerGroup(blockStore, @params, chain);
// peerGroup.AddAddress(new PeerAddress(IPAddress.Loopback));
// peerGroup.Start();
// wallet.CoinsReceived +=
// (sender, e) =>
// {
// Console.WriteLine();
// Console.WriteLine("Received tx " + e.Transaction.HashAsString);
// Console.WriteLine(e.Transaction.ToString());
// };
// // Now download and process the block chain.
// peerGroup.DownloadBlockChain();
// peerGroup.Stop();
//}
//wallet.SaveToFile(file);
Console.WriteLine();
Console.WriteLine("Done!");
Console.WriteLine();
Console.WriteLine(wallet.ToString());
}
public static void Run(string[] args)
{
// TODO: Assumes production network not testnet. Make it selectable.
var @params = NetworkParameters.ProdNet();
try
{
// Decode the private key from Satoshi's Base58 variant. If 51 characters long then it's from BitCoins
// "dumpprivkey" command and includes a version byte and checksum. Otherwise assume it's a raw key.
EcKey key;
if (args[0].Length == 51)
{
var dumpedPrivateKey = new DumpedPrivateKey(@params, args[0]);
key = dumpedPrivateKey.Key;
}
else
{
var privKey = Base58.DecodeToBigInteger(args[0]);
key = new EcKey(privKey);
}
Console.WriteLine("Address from private key is: " + key.ToAddress(@params));
// And the address ...
var destination = new Address(@params, args[1]);
// Import the private key to a fresh wallet.
var wallet = new DefaultWallet(@params);
wallet.AddKey(key);
// Find the transactions that involve those coins.
using (var blockStore = new MemoryBlockStore(@params))
{
var chain = new BlockChain(@params, wallet, blockStore);
var peerGroup = new PeerGroup(blockStore, @params, chain);
peerGroup.AddAddress(new PeerAddress(IPAddress.Loopback));
peerGroup.Start();
peerGroup.DownloadBlockChain();
peerGroup.Stop();
// And take them!
Console.WriteLine("Claiming " + Utils.BitcoinValueToFriendlyString(wallet.GetBalance()) + " coins");
wallet.SendCoins(peerGroup, destination, wallet.GetBalance());
// Wait a few seconds to let the packets flush out to the network (ugly).
Thread.Sleep(5000);
}
}
catch (IndexOutOfRangeException)
{
Console.WriteLine("First arg should be private key in Base58 format. Second argument should be address to send to.");
}
}
public static void Run(string[] args)
{
Console.WriteLine("Connecting to node");
var @params = NetworkParameters.ProdNet();
using (var blockStore = new MemoryBlockStore(@params))
{
var chain = new BlockChain(@params, blockStore);
var peer = new Peer(@params, new PeerAddress(IPAddress.Loopback), chain);
peer.Connect();
new Thread(peer.Run).Start();
var blockHash = new Sha256Hash(args[0]);
var future = peer.BeginGetBlock(blockHash, null, null);
Console.WriteLine("Waiting for node to send us the requested block: " + blockHash);
var block = peer.EndGetBlock(future);
Console.WriteLine(block);
peer.Disconnect();
}
}
public void SetUp()
{
_testNetChainBlockStore = new MemoryBlockStore(_testNet);
_testNetChain = new BlockChain(_testNet, new DefaultWallet(_testNet), _testNetChainBlockStore);
_unitTestParams = NetworkParameters.UnitTests();
_defaultWallet = new DefaultWallet(_unitTestParams);
_defaultWallet.AddKey(new EcKey());
ResetBlockStore();
_chain = new BlockChain(_unitTestParams, _defaultWallet, _blockStore);
_coinbaseTo = _defaultWallet.Keychain[0].ToAddress(_unitTestParams);
}
public static void Run(string[] args)
{
var testNet = args.Length > 0 && string.Equals(args[0], "testnet", StringComparison.InvariantCultureIgnoreCase);
var @params = testNet ? NetworkParameters.TestNet() : NetworkParameters.ProdNet();
var filePrefix = testNet ? "pingservice-testnet" : "pingservice-prodnet";
// Try to read the wallet from storage, create a new one if not possible.
IDefaultWallet defaultWallet;
var walletFile = new FileInfo(filePrefix + ".wallet");
try
{
defaultWallet = DefaultWallet.LoadFromFile(walletFile);
}
catch (IOException)
{
defaultWallet = new DefaultWallet(@params);
defaultWallet.Keychain.Add(new EcKey());
defaultWallet.SaveToFile(walletFile);
}
// Fetch the first key in the wallet (should be the only key).
var key = defaultWallet.Keychain[0];
Console.WriteLine(defaultWallet);
// Load the block chain, if there is one stored locally.
Console.WriteLine("Reading block store from disk");
using (var blockStore = new BoundedOverheadBlockStore(@params, new FileInfo(filePrefix + ".blockchain")))
{
// Connect to the localhost node. One minute timeout since we won't try any other peers
Console.WriteLine("Connecting ...");
var chain = new BlockChain(@params, defaultWallet, blockStore);
var peerGroup = new PeerGroup(blockStore, @params, chain);
peerGroup.AddAddress(new PeerAddress(IPAddress.Loopback));
peerGroup.Start();
// We want to know when the balance changes.
defaultWallet.CoinsReceived +=
(sender, e) =>
{
// Running on a peer thread.
Debug.Assert(!e.NewBalance.Equals(0));
// It's impossible to pick one specific identity that you receive coins from in BitCoin as there
// could be inputs from many addresses. So instead we just pick the first and assume they were all
// owned by the same person.
var input = e.Transaction.TransactionInputs[0];
var from = input.FromAddress;
var value = e.Transaction.GetValueSentToMe(defaultWallet);
Console.WriteLine("Received " + Utils.BitcoinValueToFriendlyString(value) + " from " + from);
// Now send the coins back!
var sendTx = defaultWallet.SendCoins(peerGroup, from, value);
Debug.Assert(sendTx != null); // We should never try to send more coins than we have!
Console.WriteLine("Sent coins back! Transaction hash is " + sendTx.HashAsString);
defaultWallet.SaveToFile(walletFile);
};
peerGroup.DownloadBlockChain();
Console.WriteLine("Send coins to: " + key.ToAddress(@params));
Console.WriteLine("Waiting for coins to arrive. Press Ctrl-C to quit.");
// The PeerGroup thread keeps us alive until something kills the process.
}
}
/// <exception cref="BitcoinSharp.Core.Exceptions.VerificationException"/>
/// <exception cref="BitcoinSharp.Core.Exceptions.ScriptException"/>
private void Receive(Transaction transaction, StoredBlock storedBlock, BlockChain.NewBlockType blockType,
bool reorg)
{
lock (this)
{
// Runs in a peer thread.
var previousBalance = GetBalance();
var transactionHash = transaction.Hash;
var bestChain = blockType == BlockChain.NewBlockType.BestChain;
var sideChain = blockType == BlockChain.NewBlockType.SideChain;
var valueSentFromMe = transaction.GetValueSentFromMe(this);
var valueSentToMe = transaction.GetValueSentToMe(this);
var valueDifference = (long) (valueSentToMe - valueSentFromMe);
if (!reorg)
{
Log.InfoFormat("Received tx{0} for {1} BTC: {2}", sideChain ? " on a side chain" : "",
Utils.BitcoinValueToFriendlyString(valueDifference), transaction.HashAsString);
}
// If this transaction is already in the wallet we may need to move it into a different WalletPool. At the very
// least we need to ensure we're manipulating the canonical object rather than a duplicate.
Transaction walletTransaction;
if (Pending.TryGetValue(transactionHash, out walletTransaction))
{
Pending.Remove(transactionHash);
Log.Info(" <-pending");
// A transaction we created appeared in a block. Probably this is a spend we broadcast that has been
// accepted by the network.
//
// Mark the tx as appearing in this block so we can find it later after a re-org.
walletTransaction.AddBlockAppearance(storedBlock);
if (bestChain)
{
if (valueSentToMe.Equals(0))
{
// There were no change transactions so this tx is fully spent.
Log.Info(" ->spent");
Debug.Assert(!Spent.ContainsKey(walletTransaction.Hash),
"TX in both pending and spent pools");
Spent[walletTransaction.Hash] = walletTransaction;
}
else
{
// There was change back to us, or this tx was purely a spend back to ourselves (perhaps for
// anonymization purposes).
Log.Info(" ->unspent");
Debug.Assert(!Unspent.ContainsKey(walletTransaction.Hash),
"TX in both pending and unspent pools");
Unspent[walletTransaction.Hash] = walletTransaction;
}
}
else if (sideChain)
{
// The transaction was accepted on an inactive side chain, but not yet by the best chain.
Log.Info(" ->inactive");
// It's OK for this to already be in the inactive WalletPool because there can be multiple independent side
// chains in which it appears:
//
// b1 --> b2
// \-> b3
// \-> b4 (at this point it's already present in 'inactive'
if (_inactive.ContainsKey(walletTransaction.Hash))
Log.Info("Saw a transaction be incorporated into multiple independent side chains");
_inactive[walletTransaction.Hash] = walletTransaction;
// Put it back into the pending WalletPool, because 'pending' means 'waiting to be included in best chain'.
Pending[walletTransaction.Hash] = walletTransaction;
}
}
else
{
if (!reorg)
{
// Mark the tx as appearing in this block so we can find it later after a re-org.
transaction.AddBlockAppearance(storedBlock);
}
// This TX didn't originate with us. It could be sending us coins and also spending our own coins if keys
// are being shared between different wallets.
if (sideChain)
{
Log.Info(" ->inactive");
_inactive[transaction.Hash] = transaction;
}
else if (bestChain)
{
ProcessTransactionFromBestChain(transaction);
}
}
Log.InfoFormat("Balance is now: {0}", Utils.BitcoinValueToFriendlyString(GetBalance()));
// Inform anyone interested that we have new coins. Note: we may be re-entered by the event listener,
// so we must not make assumptions about our state after this loop returns! For example,
// the balance we just received might already be spent!
if (!reorg && bestChain && valueDifference > 0 && CoinsReceived != null)
{
lock (CoinsReceived)
{
CoinsReceived(this, new WalletCoinsReceivedEventArgs(transaction, previousBalance, GetBalance()));
}
}
}
}
/// <summary>
/// Called by the <see cref="BitcoinSharp.Core.BlockChain"/> when we receive a new block that sends coins to one of our addresses or
/// spends coins from one of our addresses (note that a single transaction can do both).
/// </summary>
/// <remarks>
/// This is necessary for the internal book-keeping Wallet does. When a transaction is received that sends us
/// coins it is added to a WalletPool so we can use it later to create spends. When a transaction is received that
/// consumes outputs they are marked as spent so they won't be used in future.<p/>
/// A transaction that spends our own coins can be received either because a spend we created was accepted by the
/// network and thus made it into a block, or because our keys are being shared between multiple instances and
/// some other node spent the coins instead. We still have to know about that to avoid accidentally trying to
/// double spend.<p/>
/// A transaction may be received multiple times if is included into blocks in parallel chains. The blockType
/// parameter describes whether the containing block is on the main/best chain or whether it's on a presently
/// inactive side chain. We must still record these transactions and the blocks they appear in because a future
/// block might change which chain is best causing a reorganize. A re-org can totally change our balance!
/// </remarks>
/// <exception cref="BitcoinSharp.Core.Exceptions.VerificationException"/>
/// <exception cref="BitcoinSharp.Core.Exceptions.ScriptException"/>
public void Receive(Transaction transaction, StoredBlock storedBlock, BlockChain.NewBlockType blockType)
{
lock (this)
{
Receive(transaction, storedBlock, blockType, false);
}
}
