public void TestStorage()
{
var temp = new FileInfo(Path.GetTempFileName());
try
{
Console.WriteLine(temp.FullName);
var @params = NetworkParameters.UnitTests();
var to = new EcKey().ToAddress(@params);
StoredBlock b1;
using (var store = new BoundedOverheadBlockStore(@params, temp))
{
// Check the first block in a new store is the genesis block.
var genesis = store.GetChainHead();
Assert.AreEqual(@params.GenesisBlock, genesis.BlockHeader);
// Build a new block.
b1 = genesis.Build(genesis.BlockHeader.CreateNextBlock(to).CloneAsHeader());
store.Put(b1);
store.SetChainHead(b1);
}
// Check we can get it back out again if we rebuild the store object.
using (var store = new BoundedOverheadBlockStore(@params, temp))
{
var b2 = store.Get(b1.BlockHeader.Hash);
Assert.AreEqual(b1, b2);
// Check the chain head was stored correctly also.
Assert.AreEqual(b1, store.GetChainHead());
}
}
finally
{
temp.Delete();
}
}
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.
}
}