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)
{
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.
}
}