public void Base58EncodingLeadingZero()
{
const string privkey = "91axuYLa8xK796DnBXXsMbjuc8pDYxYgJyQMvFzrZ6UfXaGYuqL";
var key = new DumpedPrivateKey(NetworkParameters.TestNet(), privkey).Key;
Assert.AreEqual(privkey, key.GetPrivateKeyEncoded(NetworkParameters.TestNet()).ToString());
Assert.AreEqual(0, key.GetPrivKeyBytes()[0]);
}
public void Base58Encoding()
{
const string addr = "mqAJmaxMcG5pPHHc3H3NtyXzY7kGbJLuMF";
const string privkey = "92shANodC6Y4evT5kFzjNFQAdjqTtHAnDTLzqBBq4BbKUPyx6CD";
var key = new DumpedPrivateKey(NetworkParameters.TestNet(), privkey).Key;
Assert.AreEqual(privkey, key.GetPrivateKeyEncoded(NetworkParameters.TestNet()).ToString());
Assert.AreEqual(addr, key.ToAddress(NetworkParameters.TestNet()).ToString());
}
public void Base58EncodingStress()
{
// Replace the loop bound with 1000 to get some keys with leading zero byte
for (var i = 0; i < 20; i++)
{
var key = new EcKey();
var key1 = new DumpedPrivateKey(NetworkParameters.TestNet(),
key.GetPrivateKeyEncoded(NetworkParameters.TestNet()).ToString()).Key;
Assert.AreEqual(Utils.BytesToHexString(key.GetPrivKeyBytes()),
Utils.BytesToHexString(key1.GetPrivKeyBytes()));
}
}
public static void Run(string[] args)
{
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();
var blockStore = new MemoryBlockStore(@params);
var conn = new NetworkConnection(IPAddress.Loopback, @params,
blockStore.GetChainHead().Height, 60000);
var chain = new BlockChain(@params, wallet, blockStore);
var peer = new Peer(@params, conn, chain);
peer.Start();
wallet.CoinsReceived +=
(sender, e) =>
{
Console.WriteLine();
Console.WriteLine("Received tx " + e.Tx.HashAsString);
Console.WriteLine(e.Tx.ToString());
};
// Now download and process the block chain.
var progress = peer.StartBlockChainDownload();
var max = progress.Count; // Racy but no big deal.
if (max > 0)
{
Console.WriteLine("Downloading block chain. " + (max > 1000 ? "This may take a while." : ""));
var current = max;
while (current > 0)
{
var pct = 100.0 - (100.0 * (current / (double)max));
Console.WriteLine(string.Format("Chain download {0}% done", (int)pct));
progress.Await(TimeSpan.FromSeconds(1));
current = progress.Count;
}
}
peer.Disconnect();
wallet.SaveToFile(file);
Console.WriteLine();
Console.WriteLine("Done!");
Console.WriteLine();
Console.WriteLine(wallet.ToString());
}
public void TestBadDifficulty()
{
Assert.True(_testNetChain.Add(GetBlock1()));
var b2 = GetBlock2();
Assert.True(_testNetChain.Add(b2));
var params2 = NetworkParameters.TestNet();
var bad = new Block(params2);
// Merkle root can be anything here, doesn't matter.
bad.MerkleRoot = Hex.Decode("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
// Nonce was just some number that made the hash < difficulty limit set below, it can be anything.
bad.Nonce = 140548933;
bad.Time = 1279242649;
bad.PrevBlockHash = b2.Hash;
// We're going to make this block so easy 50% of solutions will pass, and check it gets rejected for having a
// bad difficulty target. Unfortunately the encoding mechanism means we cannot make one that accepts all
// solutions.
bad.DifficultyTarget = Block.EasiestDifficultyTarget;
try
{
_testNetChain.Add(bad);
// The difficulty target above should be rejected on the grounds of being easier than the networks
// allowable difficulty.
Assert.Fail();
}
catch (VerificationException e)
{
Assert.True(e.Message.IndexOf("Difficulty target is bad") >= 0, e.Message);
}
// Accept any level of difficulty now.
params2.ProofOfWorkLimit = new BigInteger("00ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16);
try
{
_testNetChain.Add(bad);
// We should not get here as the difficulty target should not be changing at this point.
Assert.Fail();
}
catch (VerificationException e)
{
Assert.True(e.Message.IndexOf("Unexpected change in difficulty") >= 0, e.Message);
}
// TODO: Test difficulty change is not out of range when a transition period becomes valid.
}
public static void Run(string[] args)
{
var file = new FileInfo(args[0]);
var wallet = Wallet.LoadFromFile(file);
Console.WriteLine(wallet.ToString());
// Set up the components and link them together.
var networkParams = NetworkParameters.TestNet();
using (var blockStore = new MemoryBlockStore(networkParams))
{
var chain = new BlockChain(networkParams, wallet, blockStore);
var peerGroup = new PeerGroup(blockStore, networkParams, chain);
peerGroup.AddAddress(new PeerAddress(IPAddress.Loopback));
peerGroup.Start();
wallet.CoinsReceived +=
(sender, e) =>
{
Console.WriteLine();
Console.WriteLine("Received tx " + e.Tx.HashAsString);
Console.WriteLine(e.Tx.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)
{
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.
Wallet wallet;
var walletFile = new FileInfo(filePrefix + ".wallet");
try
{
wallet = Wallet.LoadFromFile(walletFile);
}
catch (IOException)
{
wallet = new Wallet(@params);
wallet.Keychain.Add(new EcKey());
wallet.SaveToFile(walletFile);
}
// Fetch the first key in the wallet (should be the only key).
var key = wallet.Keychain[0];
Console.WriteLine(wallet);
// 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, wallet, blockStore);
var peerGroup = new PeerGroup(blockStore, @params, chain);
peerGroup.AddAddress(new PeerAddress(IPAddress.Loopback));
peerGroup.Start();
// We want to know when the balance changes.
wallet.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.Tx.Inputs[0];
var from = input.FromAddress;
var value = e.Tx.GetValueSentToMe(wallet);
Console.WriteLine("Received " + Utils.BitcoinValueToFriendlyString(value) + " from " + from);
// Now send the coins back!
var sendTx = wallet.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);
wallet.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.
}
}
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.
Wallet wallet;
var walletFile = new FileInfo(filePrefix + ".wallet");
try
{
wallet = Wallet.LoadFromFile(walletFile);
}
catch (IOException)
{
wallet = new Wallet(@params);
wallet.Keychain.Add(new EcKey());
wallet.SaveToFile(walletFile);
}
// Fetch the first key in the wallet (should be the only key).
var key = wallet.Keychain[0];
// 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 ...");
using (var conn = new NetworkConnection(IPAddress.Loopback, @params, blockStore.GetChainHead().Height, 60000))
{
var chain = new BlockChain(@params, wallet, blockStore);
var peer = new Peer(@params, conn, chain);
peer.Start();
// We want to know when the balance changes.
wallet.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.Tx.Inputs[0];
var from = input.FromAddress;
var value = e.Tx.GetValueSentToMe(wallet);
Console.WriteLine("Received " + Utils.BitcoinValueToFriendlyString(value) + " from " + from);
// Now send the coins back!
var sendTx = wallet.SendCoins(peer, 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);
wallet.SaveToFile(walletFile);
};
var progress = peer.StartBlockChainDownload();
var max = progress.Count; // Racy but no big deal.
if (max > 0)
{
Console.WriteLine("Downloading block chain. " + (max > 1000 ? "This may take a while." : ""));
var current = max;
var lastPercent = 0;
while (current > 0)
{
var pct = 100.0 - (100.0 * (current / (double)max));
if ((int)pct != lastPercent)
{
Console.WriteLine(string.Format("Chain download {0}% done", (int)pct));
lastPercent = (int)pct;
}
progress.Await(TimeSpan.FromSeconds(1));
current = progress.Count;
}
}
Console.WriteLine("Send coins to: " + key.ToAddress(@params));
Console.WriteLine("Waiting for coins to arrive. Press Ctrl-C to quit.");
// The peer thread keeps us alive until something kills the process.
}
}
}
