public void CanDownloadLastBlocks()
{
using (var builder = NodeBuilder.Create())
{
var node = builder.CreateNode(true).CreateNodeClient();
builder.Nodes[0].Generate(150);
var chain = node.GetChain();
Assert.True(node.PeerVersion.StartHeight <= chain.Height);
var subChain = chain.ToEnumerable(true).Take(100).Select(s => s.HashBlock).ToArray();
var begin = node.Counter.Snapshot();
var blocks = node.GetBlocks(subChain).Select(_ => 1).ToList();
var end = node.Counter.Snapshot();
var diff = end - begin;
Assert.True(diff.Start == begin.Taken);
Assert.True(diff.Taken == end.Taken);
Assert.True(diff.TotalReadenBytes == end.TotalReadenBytes - begin.TotalReadenBytes);
Assert.True(diff.TotalWrittenBytes == end.TotalWrittenBytes - begin.TotalWrittenBytes);
Assert.True(blocks.Count == 100);
}
}
public void CanGetChainsConcurrenty()
{
using (var builder = NodeBuilder.Create())
{
bool generating = true;
builder.CreateNode(true);
Task.Run(() =>
{
builder.Nodes[0].Generate(600);
generating = false;
});
var node = builder.Nodes[0].CreateNodeClient();
node.PollHeaderDelay = TimeSpan.FromSeconds(2);
node.VersionHandshake();
Random rand = new Random();
Thread.Sleep(1000);
var chains =
Enumerable.Range(0, 5)
.Select(_ => Task.Factory.StartNew(() =>
{
Thread.Sleep(rand.Next(0, 1000));
return(node.GetChain());
}))
.Select(t => t.Result)
.ToArray();
while (generating)
{
SyncAll(node, rand, chains);
}
SyncAll(node, rand, chains);
foreach (var c in chains)
{
Assert.Equal(600, c.Height);
}
}
}
public void CanSyncWalletCore(NodeBuilder builder, CoreNode walletNode, WalletCreation creation)
{
var rpc = builder.Nodes[0].CreateRPCClient();
var notifiedTransactions = new List <WalletTransaction>();
NodesGroup connected = CreateGroup(builder, new List <CoreNode>(new[] { walletNode }), 1);
Wallet wallet = new Wallet(creation, keyPoolSize: 11);
wallet.NewWalletTransaction += (s, a) => notifiedTransactions.Add(a);
Assert.True(wallet.State == WalletState.Created);
wallet.Configure(connected);
wallet.Connect();
Assert.True(wallet.State == WalletState.Disconnected);
TestUtils.Eventually(() => connected.ConnectedNodes.Count == 1);
Assert.True(wallet.State == WalletState.Connected);
TestUtils.Eventually(() => wallet.Chain.Height == rpc.GetBlockCount());
for (int i = 0; i < 9; i++)
{
wallet.GetNextScriptPubKey();
}
wallet.GetNextScriptPubKey(); //Should provoke purge
TestUtils.Eventually(() => wallet.State == WalletState.Disconnected && wallet.ConnectedNodes == 0);
Thread.Sleep(100);
TestUtils.Eventually(() => wallet.ConnectedNodes == 1);
var k = wallet.GetNextScriptPubKey();
Assert.NotNull(wallet.GetKeyPath(k));
if (creation.UseP2SH)
{
var p2sh = k.GetDestinationAddress(Network.TestNet) as BitcoinScriptAddress;
Assert.NotNull(p2sh);
var redeem = wallet.GetRedeemScript(p2sh);
Assert.NotNull(redeem);
Assert.Equal(redeem.Hash, p2sh.Hash);
}
Assert.Equal(creation.UseP2SH, k.GetDestinationAddress(Network.TestNet) is BitcoinScriptAddress);
builder.Nodes[0].GiveMoney(k, Money.Coins(1.0m));
TestUtils.Eventually(() => wallet.GetTransactions().Count == 1 &&
notifiedTransactions.Count == 1);
builder.Nodes[0].FindBlock();
TestUtils.Eventually(() => wallet.GetTransactions().Where(t => t.BlockInformation != null).Count() == 1 &&
notifiedTransactions.Count == 2);
builder.Nodes[0].GiveMoney(k, Money.Coins(1.5m), false);
builder.Nodes[0].FindBlock();
TestUtils.Eventually(() => wallet.GetTransactions().Summary.Confirmed.TransactionCount == 2 &&
notifiedTransactions.Count == 3);
builder.Nodes[0].FindBlock(30);
Assert.True(wallet.GetTransactions().Summary.Confirmed.TransactionCount == 2);
builder.Nodes[0].GiveMoney(k, Money.Coins(0.001m), false);
Assert.True(wallet.GetTransactions().Summary.Confirmed.TransactionCount == 2);
builder.Nodes[0].FindBlock(1, false);
Assert.True(wallet.GetTransactions().Summary.Confirmed.TransactionCount == 2);
builder.Nodes[0].FindBlock();
//Sync automatically
TestUtils.Eventually(() => wallet.GetTransactions().Summary.Confirmed.TransactionCount == 3);
//Save and restore wallet
MemoryStream ms = new MemoryStream();
wallet.Save(ms);
ms.Position = 0;
var wallet2 = Wallet.Load(ms);
//////
//Save and restore tracker
ms = new MemoryStream();
var tracker = connected.NodeConnectionParameters.TemplateBehaviors.Find <TrackerBehavior>();
tracker.Tracker.Save(ms);
ms.Position = 0;
connected = CreateGroup(builder, new List <CoreNode>(new[] { walletNode }), 1);
tracker = new TrackerBehavior(Tracker.Load(ms), wallet.Chain);
connected.NodeConnectionParameters.TemplateBehaviors.Add(tracker);
//////
wallet2.Configure(connected);
wallet2.Connect();
Assert.Equal(wallet.Created, wallet2.Created);
Assert.Equal(wallet.GetNextScriptPubKey(), wallet2.GetNextScriptPubKey());
Assert.True(wallet.GetKnownScripts().Length == wallet2.GetKnownScripts().Length);
TestUtils.Eventually(() => wallet2.GetTransactions().Summary.Confirmed.TransactionCount == 3);
//TestUtils.Eventually(() =>
//{
// var fork = wallet.Chain.FindFork(wallet2._ScanLocation);
// return fork.Height == rpc.GetBlockCount();
//});
wallet2.Disconnect();
wallet.Disconnect();
connected.Disconnect();
}
public void CanGetMerkleRoot()
{
using (var builder = NodeBuilder.Create())
{
var node = builder.CreateNode(true).CreateNodeClient();
builder.Nodes[0].Generate(101);
var rpc = builder.Nodes[0].CreateRPCClient();
builder.Nodes[0].Split(Money.Coins(50m), 50);
builder.Nodes[0].SelectMempoolTransactions();
builder.Nodes[0].Generate(1);
for (int i = 0; i < 20; i++)
{
rpc.SendToAddress(new Key().PubKey.GetAddress(rpc.Network), Money.Coins(0.5m));
}
builder.Nodes[0].SelectMempoolTransactions();
builder.Nodes[0].Generate(1);
var block = builder.Nodes[0].CreateRPCClient().GetBlock(103);
var knownTx = block.Transactions[0].GetHash();
var knownAddress = block.Transactions[0].Outputs[0].ScriptPubKey.GetDestination();
node.VersionHandshake();
using (var list = node.CreateListener()
.Where(m => m.Message.Payload is MerkleBlockPayload || m.Message.Payload is TxPayload))
{
BloomFilter filter = new BloomFilter(1, 0.005, 50, BloomFlags.UPDATE_NONE);
filter.Insert(knownAddress.ToBytes());
node.SendMessageAsync(new FilterLoadPayload(filter));
node.SendMessageAsync(new GetDataPayload(new InventoryVector(InventoryType.MSG_FILTERED_BLOCK, block.GetHash())));
var merkle = list.ReceivePayload <MerkleBlockPayload>();
var tree = merkle.Object.PartialMerkleTree;
Assert.True(tree.Check(block.Header.HashMerkleRoot));
Assert.True(tree.GetMatchedTransactions().Count() > 1);
Assert.True(tree.GetMatchedTransactions().Contains(knownTx));
List <Transaction> matched = new List <Transaction>();
for (int i = 0; i < tree.GetMatchedTransactions().Count(); i++)
{
matched.Add(list.ReceivePayload <TxPayload>().Object);
}
Assert.True(matched.Count > 1);
tree = tree.Trim(knownTx);
Assert.True(tree.GetMatchedTransactions().Count() == 1);
Assert.True(tree.GetMatchedTransactions().Contains(knownTx));
Action act = () =>
{
foreach (var match in matched)
{
Assert.True(filter.IsRelevantAndUpdate(match));
}
};
act();
filter = filter.Clone();
act();
var unknownBlock = uint256.Parse("00000000ad262227291eaf90cafdc56a8f8451e2d7653843122c5bb0bf2dfcdd");
node.SendMessageAsync(new GetDataPayload(new InventoryVector(InventoryType.MSG_FILTERED_BLOCK, Network.RegTest.GetGenesis().GetHash())));
merkle = list.ReceivePayload <MerkleBlockPayload>();
tree = merkle.Object.PartialMerkleTree;
Assert.True(tree.Check(merkle.Object.Header.HashMerkleRoot));
Assert.True(!tree.GetMatchedTransactions().Contains(knownTx));
}
}
}
public void CanSyncWallet2()
{
using (var builder = NodeBuilder.Create())
{
NodesGroup aliceConnection = CreateGroup(builder, 1);
NodesGroup bobConnection = CreateGroup(builder, new[] { builder.Nodes[0] }, 1);
builder.Nodes[0].Generate(101);
var rpc = builder.Nodes[0].CreateRPCClient();
var aliceKey = new ExtKey();
Wallet alice = new Wallet(new WalletCreation()
{
Network = Network.RegTest,
RootKeys = new[] { aliceKey.Neuter() },
SignatureRequired = 1,
UseP2SH = false
}, 11);
Wallet bob = new Wallet(new WalletCreation()
{
Network = Network.RegTest,
RootKeys = new[] { new ExtKey().Neuter() },
SignatureRequired = 1,
UseP2SH = false
}, 11);
alice.Configure(aliceConnection);
alice.Connect();
bob.Configure(bobConnection);
bob.Connect();
TestUtils.Eventually(() => aliceConnection.ConnectedNodes.Count == 1);
//New address tracked
var addressAlice = alice.GetNextScriptPubKey();
builder.Nodes[0].GiveMoney(addressAlice, Money.Coins(1.0m));
TestUtils.Eventually(() => aliceConnection.ConnectedNodes.Count == 1); //Reconnect
//////
TestUtils.Eventually(() => alice.GetTransactions().Count == 1);
//Alice send tx to bob
var coins = alice.GetTransactions().GetSpendableCoins();
var keys = coins.Select(c => alice.GetKeyPath(c.ScriptPubKey))
.Select(k => aliceKey.Derive(k))
.ToArray();
var txBuilder = new TransactionBuilder();
var tx =
txBuilder
.SetTransactionPolicy(new Policy.StandardTransactionPolicy()
{
MinRelayTxFee = new FeeRate(0)
})
.AddCoins(coins)
.AddKeys(keys)
.Send(bob.GetNextScriptPubKey(), Money.Coins(0.4m))
.SetChange(alice.GetNextScriptPubKey(true))
.SendFees(Money.Coins(0.0001m))
.BuildTransaction(true);
Assert.True(txBuilder.Verify(tx));
builder.Nodes[0].Broadcast(tx);
//Alice get change
TestUtils.Eventually(() => alice.GetTransactions().Count == 2);
coins = alice.GetTransactions().GetSpendableCoins();
Assert.True(coins.Single().Amount == Money.Coins(0.5999m));
//////
//Bob get coins
TestUtils.Eventually(() => bob.GetTransactions().Count == 1);
coins = bob.GetTransactions().GetSpendableCoins();
Assert.True(coins.Single().Amount == Money.Coins(0.4m));
//////
MemoryStream bobWalletBackup = new MemoryStream();
bob.Save(bobWalletBackup);
bobWalletBackup.Position = 0;
MemoryStream bobTrakerBackup = new MemoryStream();
bob.Tracker.Save(bobTrakerBackup);
bobTrakerBackup.Position = 0;
bob.Disconnect();
//Restore bob
bob = Wallet.Load(bobWalletBackup);
bobConnection.NodeConnectionParameters.TemplateBehaviors.Remove <TrackerBehavior>();
bobConnection.NodeConnectionParameters.TemplateBehaviors.Add(new TrackerBehavior(Tracker.Load(bobTrakerBackup), alice.Chain));
/////
bob.Configure(bobConnection);
//Bob still has coins
TestUtils.Eventually(() => bob.GetTransactions().Count == 1);
coins = bob.GetTransactions().GetSpendableCoins();
Assert.True(coins.Single().Amount == Money.Coins(0.4m));
//////
bob.Connect();
TestUtils.Eventually(() => bobConnection.ConnectedNodes.Count == 1);
//New block found !
builder.Nodes[0].SelectMempoolTransactions();
builder.Nodes[0].Generate(1);
//Alice send tx to bob
coins = alice.GetTransactions().GetSpendableCoins();
keys = coins.Select(c => alice.GetKeyPath(c.ScriptPubKey))
.Select(k => aliceKey.Derive(k))
.ToArray();
txBuilder = new TransactionBuilder();
tx =
txBuilder
.SetTransactionPolicy(new Policy.StandardTransactionPolicy()
{
MinRelayTxFee = new FeeRate(0)
})
.AddCoins(coins)
.AddKeys(keys)
.Send(bob.GetNextScriptPubKey(), Money.Coins(0.1m))
.SetChange(alice.GetNextScriptPubKey(true))
.SendFees(Money.Coins(0.0001m))
.BuildTransaction(true);
Assert.True(txBuilder.Verify(tx));
builder.Nodes[0].Broadcast(tx);
//Bob still has coins
TestUtils.Eventually(() => bob.GetTransactions().Count == 2); //Bob has both, old and new tx
coins = bob.GetTransactions().GetSpendableCoins();
//////
}
}