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 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 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();
//////
}
}
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));
}
}
}
// todo: revisit this test when fixing the node tests
//[Fact]
//[Trait("CoreBeta", "CoreBeta")]
public void CanAskCmpctBlock()
{
var alice = new BitcoinSecret("KypycJyxP5yA4gSedEBRse5q5f8RwYKG8xi8z4SRe2rdaioL3YNc").PrivateKey;
var satoshi = new BitcoinSecret("KypycJyxP5yA4gSedEBRse5q5f8RwYKG8xi8z4SRe2rdaioL3YNc").ToNetwork(Network.RegTest);
using (var builder = NodeBuilder.Create(version: "C:\\Bitcoin\\bitcoind.exe"))
{
var now = new DateTimeOffset(2015, 07, 18, 0, 0, 0, TimeSpan.Zero);
builder.ConfigParameters.Add("mocktime", Utils.DateTimeToUnixTime(now).ToString());
var bitcoind = builder.CreateNode(false);
var bitcoind2 = builder.CreateNode(false);
builder.StartAll();
bitcoind.SetMinerSecret(satoshi);
bitcoind.MockTime = now;
bitcoind2.SetMinerSecret(satoshi);
bitcoind2.MockTime = now;
var rpc = bitcoind.CreateRPCClient();
rpc.AddNode(bitcoind2.Endpoint, true);
var client1 = bitcoind.CreateNodeClient(new NodeConnectionParameters()
{
Version = ProtocolVersion.SHORT_IDS_BLOCKS_VERSION
});
using (var listener = client1.CreateListener())
{
client1.VersionHandshake();
var sendCmpct = listener.ReceivePayload <SendCmpctPayload>();
Assert.Equal(1U, sendCmpct.Version);
Assert.Equal(false, sendCmpct.PreferHeaderAndIDs);
//Announcement
client1.SendMessage(new SendCmpctPayload(false));
bitcoind.Generate(1);
var inv = listener.ReceivePayload <InvPayload>();
Assert.True(inv.First().Type == InventoryType.MSG_BLOCK);
//Request block
inv.First().Type = InventoryType.MSG_CMPCT_BLOCK;
client1.SendMessage(new GetDataPayload(inv.First()));
var blk = listener.ReceivePayload <CmpctBlockPayload>();
//Request transaction
var getTxn = new GetBlockTxnPayload();
getTxn.BlockId = blk.Header.GetHash();
getTxn.Indices.Add(0);
client1.SendMessage(getTxn);
var blockTxn = listener.ReceivePayload <BlockTxnPayload>();
Assert.True(blockTxn.BlockId == blk.Header.GetHash());
Assert.True(blockTxn.Transactions[0].GetHash() == blk.PrefilledTransactions[0].Transaction.GetHash());
bitcoind.Generate(100);
var tx = bitcoind.GiveMoney(alice.ScriptPubKey, Money.Coins(1), false);
var lastBlk = bitcoind.Generate(1)[0];
while (true)
{
var invv = listener.ReceivePayload <InvPayload>().First();
if (invv.Hash == lastBlk.GetHash())
{
invv.Type = InventoryType.MSG_CMPCT_BLOCK;
client1.SendMessage(new GetDataPayload(invv));
break;
}
}
blk = listener.ReceivePayload <CmpctBlockPayload>();
Assert.Equal(1, blk.ShortIds.Count);
Assert.Equal(blk.ShortIds[0], blk.GetShortID(tx.GetHash()));
//Let the node know which is the last block that we know
client1.SendMessage(new InvPayload(new InventoryVector(InventoryType.MSG_BLOCK, blk.Header.GetHash())));
bitcoind.Generate(1);
inv = listener.ReceivePayload <InvPayload>();
inv.First().Type = InventoryType.MSG_CMPCT_BLOCK;
client1.SendMessage(new GetDataPayload(inv.First()));
blk = listener.ReceivePayload <CmpctBlockPayload>();
//Prefer being notified with cmpctblock
client1.SendMessage(new SendCmpctPayload(true));
//Let the node know which is the last block that we know
client1.SendMessage(new InvPayload(new InventoryVector(InventoryType.MSG_BLOCK, blk.Header.GetHash())));
bitcoind.Generate(1);
blk = listener.ReceivePayload <CmpctBlockPayload>();
//The node ask to connect to use in high bandwidth mode
var blocks = bitcoind.Generate(1, broadcast: false);
client1.SendMessage(new HeadersPayload(blocks[0].Header));
var cmpct = listener.ReceivePayload <SendCmpctPayload>(); //Should become one of the three high bandwidth node
Assert.True(cmpct.PreferHeaderAndIDs);
var getdata = listener.ReceivePayload <GetDataPayload>();
Assert.True(getdata.Inventory[0].Type == InventoryType.MSG_CMPCT_BLOCK);
client1.SendMessage(new CmpctBlockPayload(blocks[0]));
//Should be able to get a compact block with Inv
blocks = bitcoind.Generate(1, broadcast: false);
client1.SendMessage(new InvPayload(blocks[0]));
getdata = listener.ReceivePayload <GetDataPayload>();
Assert.True(getdata.Inventory[0].Type == InventoryType.MSG_CMPCT_BLOCK);
client1.SendMessage(new CmpctBlockPayload(blocks[0]));
//Send as prefilled transaction 0 and 2
var tx1 = bitcoind.GiveMoney(satoshi.ScriptPubKey, Money.Coins(1.0m), broadcast: false);
var tx2 = bitcoind.GiveMoney(satoshi.ScriptPubKey, Money.Coins(2.0m), broadcast: false);
var tx3 = bitcoind.GiveMoney(satoshi.ScriptPubKey, Money.Coins(3.0m), broadcast: false);
blocks = bitcoind.Generate(1, broadcast: false);
Assert.True(blocks[0].Transactions.Count == 4);
var cmpctBlk = new CmpctBlockPayload();
cmpctBlk.Nonce = RandomUtils.GetUInt64();
cmpctBlk.Header = blocks[0].Header;
cmpctBlk.PrefilledTransactions.Add(new PrefilledTransaction()
{
Index = 0, Transaction = blocks[0].Transactions[0]
});
cmpctBlk.PrefilledTransactions.Add(new PrefilledTransaction()
{
Index = 2, Transaction = blocks[0].Transactions[2]
});
cmpctBlk.AddTransactionShortId(blocks[0].Transactions[1]);
cmpctBlk.AddTransactionShortId(blocks[0].Transactions[3]);
client1.SendMessage(cmpctBlk);
//Check that node ask for 1 and 3
var gettxn = listener.ReceivePayload <GetBlockTxnPayload>();
Assert.Equal(2, gettxn.Indices.Count);
Assert.Equal(1, gettxn.Indices[0]);
Assert.Equal(3, gettxn.Indices[1]);
client1.SendMessage(new BlockTxnPayload()
{
BlockId = blocks[0].GetHash(),
Transactions =
{
blocks[0].Transactions[1],
blocks[0].Transactions[3],
}
});
//Both nodes updated ?
var chain1 = client1.GetChain();
Assert.Equal(blocks[0].GetHash(), chain1.Tip.HashBlock);
using (var client2 = bitcoind2.CreateNodeClient())
{
client2.VersionHandshake();
var chain2 = client2.GetChain();
Assert.Equal(chain1.Tip.HashBlock, chain2.Tip.HashBlock);
}
//Block with coinbase only
blocks = bitcoind.Generate(1, broadcast: false);
client1.SendMessage(new CmpctBlockPayload(blocks[0]));
client1.SynchronizeChain(chain1);
Assert.Equal(chain1.Tip.HashBlock, blocks[0].GetHash());
}
}
}