public void MinerCreateBlockCoinbaseMempoolTemplateCreationFails()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode miner = builder.CreateStratisPowNode(this.network);
builder.StartAll();
miner.NotInIBD();
miner.SetDummyMinerSecret(new BitcoinSecret(new Key(), miner.FullNode.Network));
miner.GenerateStratisWithMiner(1);
// Create an invalid coinbase transaction to be added to the mempool.
var duplicateCoinbase = this.network.CreateTransaction();
duplicateCoinbase.AddInput(new TxIn());
duplicateCoinbase.AddOutput(new TxOut());
duplicateCoinbase.Inputs[0].PrevOut = new OutPoint();
duplicateCoinbase.Inputs[0].ScriptSig = new Script(OpcodeType.OP_0, OpcodeType.OP_1);
duplicateCoinbase.Outputs[0].Value = 0;
var txMempoolHelper = new TestMemPoolEntryHelper();
var txMempoolEntry = txMempoolHelper.Fee(Money.CENT).Time(DateTimeProvider.Default.GetTime()).SpendsCoinbase(false).FromTx(duplicateCoinbase);
miner.FullNode.NodeService <ITxMempool>().AddUnchecked(duplicateCoinbase.GetHash(), txMempoolEntry);
var error = Assert.Throws <ConsensusException>(() => miner.GenerateStratisWithMiner(1));
Assert.True(error.Message == ConsensusErrors.BadMultipleCoinbase.Message);
TestHelper.WaitLoop(() => TestHelper.IsNodeSynced(miner));
Assert.True(miner.FullNode.ConsensusManager().Tip.Height == 1);
}
}
public void CanStratisSyncFromCore()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode stratisNode = builder.CreateStratisPowNode();
CoreNode coreNode = builder.CreateBitcoinCoreNode();
builder.StartAll();
stratisNode.NotInIBD();
Block tip = coreNode.FindBlock(10).Last();
RPCClient stratisNodeRpcClient = stratisNode.CreateRPCClient();
stratisNodeRpcClient.AddNode(coreNode.Endpoint, true);
RPCClient coreNodeRpcClient = coreNode.CreateRPCClient();
TestHelper.WaitLoop(() => stratisNodeRpcClient.GetBestBlockHash() == coreNodeRpcClient.GetBestBlockHash());
uint256 bestBlockHash = stratisNodeRpcClient.GetBestBlockHash();
Assert.Equal(tip.GetHash(), bestBlockHash);
stratisNodeRpcClient.RemoveNode(coreNode.Endpoint);
TestHelper.WaitLoop(() => coreNodeRpcClient.GetPeersInfo()
.All(pi => pi.Address.MapToIpv6().ToString() != coreNode.Endpoint.MapToIpv6().ToString()));
tip = coreNode.FindBlock(10).Last();
coreNodeRpcClient.AddNode(stratisNode.Endpoint, true);
TestHelper.WaitLoop(() => stratisNodeRpcClient.GetBestBlockHash() == coreNodeRpcClient.GetBestBlockHash());
bestBlockHash = stratisNodeRpcClient.GetBestBlockHash();
Assert.Equal(tip.GetHash(), bestBlockHash);
}
}
public void CanStratisSyncFromStratis()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode stratisNode = builder.CreateStratisPowNode();
CoreNode stratisNodeSync = builder.CreateStratisPowNode();
CoreNode coreCreateNode = builder.CreateBitcoinCoreNode();
builder.StartAll();
stratisNode.NotInIBD();
stratisNodeSync.NotInIBD();
// first seed a core node with blocks and sync them to a stratis node
// and wait till the stratis node is fully synced
Block tip = coreCreateNode.FindBlock(5).Last();
stratisNode.CreateRPCClient().AddNode(coreCreateNode.Endpoint, true);
TestHelper.WaitLoop(() => stratisNode.CreateRPCClient().GetBestBlockHash() == coreCreateNode.CreateRPCClient().GetBestBlockHash());
uint256 bestBlockHash = stratisNode.CreateRPCClient().GetBestBlockHash();
Assert.Equal(tip.GetHash(), bestBlockHash);
// add a new stratis node which will download
// the blocks using the GetData payload
stratisNodeSync.CreateRPCClient().AddNode(stratisNode.Endpoint, true);
// wait for download and assert
TestHelper.WaitLoop(() => stratisNode.CreateRPCClient().GetBestBlockHash() == stratisNodeSync.CreateRPCClient().GetBestBlockHash());
bestBlockHash = stratisNodeSync.CreateRPCClient().GetBestBlockHash();
Assert.Equal(tip.GetHash(), bestBlockHash);
}
}
public void CanStratisSyncFromCore()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode stratisNode = builder.CreateStratisPowNode();
CoreNode coreNode = builder.CreateBitcoinCoreNode();
builder.StartAll();
stratisNode.NotInIBD();
Block tip = coreNode.FindBlock(10).Last();
stratisNode.CreateRPCClient().AddNode(coreNode.Endpoint, true);
TestHelper.WaitLoop(() => stratisNode.CreateRPCClient().GetBestBlockHash() == coreNode.CreateRPCClient().GetBestBlockHash());
uint256 bestBlockHash = stratisNode.CreateRPCClient().GetBestBlockHash();
Assert.Equal(tip.GetHash(), bestBlockHash);
//Now check if Core connect to stratis
stratisNode.CreateRPCClient().RemoveNode(coreNode.Endpoint);
TestHelper.WaitLoop(() => coreNode.CreateRPCClient().GetPeersInfo().Length == 0);
tip = coreNode.FindBlock(10).Last();
coreNode.CreateRPCClient().AddNode(stratisNode.Endpoint, true);
TestHelper.WaitLoop(() => stratisNode.CreateRPCClient().GetBestBlockHash() == coreNode.CreateRPCClient().GetBestBlockHash());
bestBlockHash = stratisNode.CreateRPCClient().GetBestBlockHash();
Assert.Equal(tip.GetHash(), bestBlockHash);
}
}
public void PullerVsMinerRaceCondition()
{
// Temporary fix so the Network static initialize will not break.
Network m = Network.Main;
using (NodeBuilder builder = NodeBuilder.Create(this))
{
// This represents local node.
CoreNode stratisMinerLocal = builder.CreateStratisPosNode();
// This represents remote, which blocks are received by local node using its puller.
CoreNode stratisMinerRemote = builder.CreateStratisPosNode();
builder.StartAll();
stratisMinerLocal.NotInIBD();
stratisMinerRemote.NotInIBD();
stratisMinerLocal.SetDummyMinerSecret(new BitcoinSecret(new Key(), stratisMinerLocal.FullNode.Network));
stratisMinerRemote.SetDummyMinerSecret(new BitcoinSecret(new Key(), stratisMinerRemote.FullNode.Network));
// Let's mine block Ap and Bp.
stratisMinerRemote.GenerateStratisWithMiner(2);
// Wait for block repository for block sync to work.
TestHelper.WaitLoop(() => TestHelper.IsNodeSynced(stratisMinerRemote));
stratisMinerLocal.CreateRPCClient().AddNode(stratisMinerRemote.Endpoint, true);
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisMinerLocal, stratisMinerRemote));
// Now disconnect the peers and mine block C2p on remote.
stratisMinerLocal.CreateRPCClient().RemoveNode(stratisMinerRemote.Endpoint);
TestHelper.WaitLoop(() => !TestHelper.IsNodeConnected(stratisMinerRemote));
// Mine block C2p.
stratisMinerRemote.GenerateStratisWithMiner(1);
Thread.Sleep(2000);
// Now reconnect nodes and mine block C1s before C2p arrives.
stratisMinerLocal.CreateRPCClient().AddNode(stratisMinerRemote.Endpoint, true);
stratisMinerLocal.GenerateStratisWithMiner(1);
// Mine block Dp.
uint256 dpHash = stratisMinerRemote.GenerateStratisWithMiner(1)[0];
// Now we wait until the local node's chain tip has correct hash of Dp.
TestHelper.WaitLoop(() => stratisMinerLocal.FullNode.Chain.Tip.HashBlock.Equals(dpHash));
// Then give it time to receive the block from the puller.
Thread.Sleep(2500);
// Check that local node accepted the Dp as consensus tip.
Assert.Equal(stratisMinerLocal.FullNode.ChainBehaviorState.ConsensusTip.HashBlock, dpHash);
}
}
public void PullerVsMinerRaceCondition()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
// This represents local node.
CoreNode stratisMinerLocal = builder.CreateStratisPosNode(this.posNetwork);
// This represents remote, which blocks are received by local node using its puller.
CoreNode stratisMinerRemote = builder.CreateStratisPosNode(this.posNetwork);
builder.StartAll();
stratisMinerLocal.NotInIBD().WithWallet(walletPassword, walletName, walletPassphrase);
stratisMinerRemote.NotInIBD().WithWallet(walletPassword, walletName, walletPassphrase);
// Let's mine block Ap and Bp.
TestHelper.MineBlocks(stratisMinerRemote, walletName, walletPassword, walletAccount, 2);
// Wait for block repository for block sync to work.
TestHelper.WaitLoop(() => TestHelper.IsNodeSynced(stratisMinerRemote));
stratisMinerLocal.CreateRPCClient().AddNode(stratisMinerRemote.Endpoint, true);
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisMinerLocal, stratisMinerRemote));
// Now disconnect the peers and mine block C2p on remote.
stratisMinerLocal.CreateRPCClient().RemoveNode(stratisMinerRemote.Endpoint);
TestHelper.WaitLoop(() => !TestHelper.IsNodeConnected(stratisMinerRemote));
// Mine block C2p.
stratisMinerRemote.GenerateStratisWithMiner(1);
Thread.Sleep(2000);
// Now reconnect nodes and mine block C1s before C2p arrives.
stratisMinerLocal.CreateRPCClient().AddNode(stratisMinerRemote.Endpoint, true);
TestHelper.MineBlocks(stratisMinerLocal, walletName, walletPassword, walletAccount, 1);
// Mine block Dp.
uint256 dpHash = TestHelper.MineBlocks(stratisMinerRemote, walletName, walletPassword, walletAccount, 1).BlockHashes[0];
// Now we wait until the local node's chain tip has correct hash of Dp.
TestHelper.WaitLoop(() => stratisMinerLocal.FullNode.Chain.Tip.HashBlock.Equals(dpHash));
// Then give it time to receive the block from the puller.
Thread.Sleep(2500);
// Check that local node accepted the Dp as consensus tip.
Assert.Equal(stratisMinerLocal.FullNode.ChainBehaviorState.ConsensusTip.HashBlock, dpHash);
}
}
public void Miner_Create_Block_Whilst_Disconnected_Syncs()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode miner = builder.CreateStratisPowNode(KnownNetworks.RegTest);
CoreNode syncer = builder.CreateStratisPowNode(KnownNetworks.RegTest);
builder.StartAll();
miner.NotInIBD();
syncer.NotInIBD();
miner.SetDummyMinerSecret(new BitcoinSecret(new Key(), miner.FullNode.Network));
miner.GenerateStratisWithMiner(1);
miner.CreateRPCClient().AddNode(syncer.Endpoint, true);
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(miner, syncer));
}
}
public void MinerCreateBlockSigopsLimit1000()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode miner = builder.CreateStratisPowNode(this.network);
builder.StartAll();
miner.NotInIBD();
miner.SetDummyMinerSecret(new BitcoinSecret(new Key(), miner.FullNode.Network));
miner.GenerateStratisWithMiner(1);
var txMempoolHelper = new TestMemPoolEntryHelper();
// Block sigops > limit: 1000 CHECKMULTISIG + 1
var genesis = this.network.GetGenesis();
var genesisCoinbase = genesis.Transactions[0];
var tx = this.network.CreateTransaction();
tx.AddInput(new TxIn(new OutPoint(genesisCoinbase.GetHash(), 0), new Script(new byte[] { (byte)OpcodeType.OP_0, (byte)OpcodeType.OP_0, (byte)OpcodeType.OP_0, (byte)OpcodeType.OP_NOP, (byte)OpcodeType.OP_CHECKMULTISIG, (byte)OpcodeType.OP_1 })));
// NOTE: OP_NOP is used to force 20 SigOps for the CHECKMULTISIG
tx.AddOutput(Money.Coins(50), new Script());
for (int i = 0; i < 1001; ++i)
{
tx.Outputs[0].Value -= Money.CENT;
bool spendsCoinbase = (i == 0); // only first tx spends coinbase
// If we don't set the # of sig ops in the CTxMemPoolEntry, template creation fails
var txMempoolEntry = txMempoolHelper.Fee(Money.CENT).Time(DateTimeProvider.Default.GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx);
miner.FullNode.NodeService <ITxMempool>().AddUnchecked(tx.GetHash(), txMempoolEntry);
tx = this.network.CreateTransaction(tx.ToBytes());
tx.Inputs[0].PrevOut.Hash = tx.GetHash();
}
var error = Assert.Throws <ConsensusException>(() => miner.GenerateStratisWithMiner(1));
Assert.True(error.Message == ConsensusErrors.BadBlockSigOps.Message);
TestHelper.WaitLoop(() => TestHelper.IsNodeSynced(miner));
Assert.True(miner.FullNode.ConsensusManager().Tip.Height == 1);
}
}
public void AddToMempoolTrxSpendingTwoOutputFromSameTrx()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode stratisNodeSync = builder.CreateStratisPowNode();
builder.StartAll();
stratisNodeSync.NotInIBD();
stratisNodeSync.SetDummyMinerSecret(new BitcoinSecret(new Key(), stratisNodeSync.FullNode.Network));
stratisNodeSync.GenerateStratis(105); // coinbase maturity = 100
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.ConsensusLoop().Tip.HashBlock == stratisNodeSync.FullNode.Chain.Tip.HashBlock);
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.GetBlockStoreTip().HashBlock == stratisNodeSync.FullNode.Chain.Tip.HashBlock);
Block block = stratisNodeSync.FullNode.BlockStoreManager().BlockRepository.GetAsync(stratisNodeSync.FullNode.Chain.GetBlock(4).HashBlock).Result;
Transaction prevTrx = block.Transactions.First();
var dest1 = new BitcoinSecret(new Key(), stratisNodeSync.FullNode.Network);
var dest2 = new BitcoinSecret(new Key(), stratisNodeSync.FullNode.Network);
Transaction parentTx = stratisNodeSync.FullNode.Network.Consensus.ConsensusFactory.CreateTransaction();
parentTx.AddInput(new TxIn(new OutPoint(prevTrx.GetHash(), 0), PayToPubkeyHashTemplate.Instance.GenerateScriptPubKey(stratisNodeSync.MinerSecret.PubKey)));
parentTx.AddOutput(new TxOut("25", dest1.PubKey.Hash));
parentTx.AddOutput(new TxOut("24", dest2.PubKey.Hash)); // 1 btc fee
parentTx.Sign(stratisNodeSync.FullNode.Network, stratisNodeSync.MinerSecret, false);
stratisNodeSync.Broadcast(parentTx);
// wiat for the trx to enter the pool
TestHelper.WaitLoop(() => stratisNodeSync.CreateRPCClient().GetRawMempool().Length == 1);
// mine the transactions in the mempool
stratisNodeSync.GenerateStratis(1, stratisNodeSync.FullNode.MempoolManager().InfoAllAsync().Result.Select(s => s.Trx).ToList());
TestHelper.WaitLoop(() => stratisNodeSync.CreateRPCClient().GetRawMempool().Length == 0);
//create a new trx spending both outputs
Transaction tx = stratisNodeSync.FullNode.Network.Consensus.ConsensusFactory.CreateTransaction();
tx.AddInput(new TxIn(new OutPoint(parentTx.GetHash(), 0), PayToPubkeyHashTemplate.Instance.GenerateScriptPubKey(dest1.PubKey)));
tx.AddInput(new TxIn(new OutPoint(parentTx.GetHash(), 1), PayToPubkeyHashTemplate.Instance.GenerateScriptPubKey(dest2.PubKey)));
tx.AddOutput(new TxOut("48", new Key().PubKey.Hash)); // 1 btc fee
Transaction signed = new TransactionBuilder(stratisNodeSync.FullNode.Network).AddKeys(dest1, dest2).AddCoins(parentTx.Outputs.AsCoins()).SignTransaction(tx);
stratisNodeSync.Broadcast(signed);
TestHelper.WaitLoop(() => stratisNodeSync.CreateRPCClient().GetRawMempool().Length == 1);
}
}
public void MempoolAddNodeWithOrphans()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode stratisNodeSync = builder.CreateStratisPowNode();
builder.StartAll();
stratisNodeSync.NotInIBD();
stratisNodeSync.SetDummyMinerSecret(new BitcoinSecret(new Key(), stratisNodeSync.FullNode.Network));
stratisNodeSync.GenerateStratis(101); // coinbase maturity = 100
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.ConsensusLoop().Tip.HashBlock == stratisNodeSync.FullNode.Chain.Tip.HashBlock);
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.ChainBehaviorState.ConsensusTip.HashBlock == stratisNodeSync.FullNode.Chain.Tip.HashBlock);
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.GetBlockStoreTip().HashBlock == stratisNodeSync.FullNode.Chain.Tip.HashBlock);
Block block = stratisNodeSync.FullNode.BlockStoreManager().BlockRepository.GetAsync(stratisNodeSync.FullNode.Chain.GetBlock(1).HashBlock).Result;
Transaction prevTrx = block.Transactions.First();
var dest = new BitcoinSecret(new Key(), stratisNodeSync.FullNode.Network);
var key = new Key();
Transaction tx = stratisNodeSync.FullNode.Network.Consensus.ConsensusFactory.CreateTransaction();
tx.AddInput(new TxIn(new OutPoint(prevTrx.GetHash(), 0), PayToPubkeyHashTemplate.Instance.GenerateScriptPubKey(stratisNodeSync.MinerSecret.PubKey)));
tx.AddOutput(new TxOut("25", dest.PubKey.Hash));
tx.AddOutput(new TxOut("24", key.PubKey.Hash)); // 1 btc fee
tx.Sign(stratisNodeSync.FullNode.Network, stratisNodeSync.MinerSecret, false);
Transaction txOrphan = stratisNodeSync.FullNode.Network.Consensus.ConsensusFactory.CreateTransaction();
txOrphan.AddInput(new TxIn(new OutPoint(tx.GetHash(), 1), PayToPubkeyHashTemplate.Instance.GenerateScriptPubKey(key.PubKey)));
txOrphan.AddOutput(new TxOut("10", new Key().PubKey.Hash));
txOrphan.Sign(stratisNodeSync.FullNode.Network, key.GetBitcoinSecret(stratisNodeSync.FullNode.Network), false);
// broadcast the orphan
stratisNodeSync.Broadcast(txOrphan);
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.NodeService <MempoolOrphans>().OrphansList().Count == 1);
// broadcast the parent
stratisNodeSync.Broadcast(tx);
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.NodeService <MempoolOrphans>().OrphansList().Count == 0);
// wait for orphan to get in the pool
TestHelper.WaitLoop(() => stratisNodeSync.CreateRPCClient().GetRawMempool().Length == 2);
}
}
public void MempoolReceiveFromManyNodes()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode stratisNodeSync = builder.CreateStratisPowNode();
builder.StartAll();
stratisNodeSync.NotInIBD();
stratisNodeSync.SetDummyMinerSecret(new BitcoinSecret(new Key(), stratisNodeSync.FullNode.Network));
stratisNodeSync.GenerateStratisWithMiner(201); // coinbase maturity = 100
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.ConsensusLoop().Tip.HashBlock == stratisNodeSync.FullNode.Chain.Tip.HashBlock);
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.GetBlockStoreTip().HashBlock == stratisNodeSync.FullNode.Chain.Tip.HashBlock);
var trxs = new List <Transaction>();
foreach (int index in Enumerable.Range(1, 100))
{
Block block = stratisNodeSync.FullNode.BlockStoreManager().BlockRepository.GetAsync(stratisNodeSync.FullNode.Chain.GetBlock(index).HashBlock).Result;
Transaction prevTrx = block.Transactions.First();
var dest = new BitcoinSecret(new Key(), stratisNodeSync.FullNode.Network);
Transaction tx = stratisNodeSync.FullNode.Network.Consensus.ConsensusFactory.CreateTransaction();
tx.AddInput(new TxIn(new OutPoint(prevTrx.GetHash(), 0), PayToPubkeyHashTemplate.Instance.GenerateScriptPubKey(stratisNodeSync.MinerSecret.PubKey)));
tx.AddOutput(new TxOut("25", dest.PubKey.Hash));
tx.AddOutput(new TxOut("24", new Key().PubKey.Hash)); // 1 btc fee
tx.Sign(stratisNodeSync.FullNode.Network, stratisNodeSync.MinerSecret, false);
trxs.Add(tx);
}
var options = new ParallelOptions {
MaxDegreeOfParallelism = 10
};
Parallel.ForEach(trxs, options, transaction =>
{
stratisNodeSync.Broadcast(transaction);
});
TestHelper.WaitLoop(() => stratisNodeSync.CreateRPCClient().GetRawMempool().Length == 100);
}
}
public void GetProofOfWorkRewardForMinedBlocksTest()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode node = builder.CreateStratisPowNode();
builder.StartAll();
node.NotInIBD();
node.SetDummyMinerSecret(new BitcoinSecret(new Key(), node.FullNode.Network));
node.GenerateStratisWithMiner(10);
node.GetProofOfWorkRewardForMinedBlocks(10).Should().Be(Money.Coins(500));
node.GenerateStratisWithMiner(90);
node.GetProofOfWorkRewardForMinedBlocks(100).Should().Be(Money.Coins(5000));
node.GenerateStratisWithMiner(100);
node.GetProofOfWorkRewardForMinedBlocks(200).Should().Be(Money.Coins(8725));
node.GenerateStratisWithMiner(200);
node.GetProofOfWorkRewardForMinedBlocks(400).Should().Be(Money.Coins((decimal)12462.50));
}
}
public void NodesCanConnectToEachOthers()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode node1 = builder.CreateStratisPowNode(this.powNetwork);
CoreNode node2 = builder.CreateStratisPowNode(this.powNetwork);
builder.StartAll();
node1.NotInIBD();
node2.NotInIBD();
Assert.Empty(node1.FullNode.ConnectionManager.ConnectedPeers);
Assert.Empty(node2.FullNode.ConnectionManager.ConnectedPeers);
RPCClient rpc1 = node1.CreateRPCClient();
rpc1.AddNode(node2.Endpoint, true);
Assert.Single(node1.FullNode.ConnectionManager.ConnectedPeers);
Assert.Single(node2.FullNode.ConnectionManager.ConnectedPeers);
var behavior = node1.FullNode.ConnectionManager.ConnectedPeers.First().Behaviors.Find <IConnectionManagerBehavior>();
Assert.False(behavior.Inbound);
Assert.True(behavior.OneTry);
behavior = node2.FullNode.ConnectionManager.ConnectedPeers.First().Behaviors.Find <IConnectionManagerBehavior>();
Assert.True(behavior.Inbound);
Assert.False(behavior.OneTry);
}
}
public void Given_NodesAreSynced_When_ABigReorgHappens_Then_TheReorgIsIgnored()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode stratisMiner = builder.CreateStratisPosNode(this.posNetwork);
CoreNode stratisSyncer = builder.CreateStratisPosNode(this.posNetwork);
CoreNode stratisReorg = builder.CreateStratisPosNode(this.posNetwork);
builder.StartAll();
stratisMiner.NotInIBD().WithWallet();
stratisSyncer.NotInIBD();
stratisReorg.NotInIBD().WithWallet();
TestHelper.MineBlocks(stratisMiner, 1);
// wait for block repo for block sync to work
stratisMiner.CreateRPCClient().AddNode(stratisReorg.Endpoint, true);
stratisMiner.CreateRPCClient().AddNode(stratisSyncer.Endpoint, true);
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisMiner, stratisSyncer));
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisMiner, stratisReorg));
// create a reorg by mining on two different chains
// ================================================
stratisMiner.CreateRPCClient().RemoveNode(stratisReorg.Endpoint);
stratisSyncer.CreateRPCClient().RemoveNode(stratisReorg.Endpoint);
TestHelper.WaitLoop(() => !TestHelper.IsNodeConnected(stratisReorg));
TestHelper.MineBlocks(stratisMiner, 11);
TestHelper.MineBlocks(stratisReorg, 12);
// make sure the nodes are actually on different chains.
Assert.NotEqual(stratisMiner.FullNode.Chain.GetBlock(2).HashBlock, stratisReorg.FullNode.Chain.GetBlock(2).HashBlock);
TestHelper.TriggerSync(stratisSyncer);
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisMiner, stratisSyncer));
// The hash before the reorg node is connected.
uint256 hashBeforeReorg = stratisMiner.FullNode.Chain.Tip.HashBlock;
// connect the reorg chain
stratisMiner.CreateRPCClient().AddNode(stratisReorg.Endpoint, true);
stratisSyncer.CreateRPCClient().AddNode(stratisReorg.Endpoint, true);
// trigger nodes to sync
TestHelper.TriggerSync(stratisMiner);
TestHelper.TriggerSync(stratisReorg);
TestHelper.TriggerSync(stratisSyncer);
// wait for the synced chain to get headers updated.
TestHelper.WaitLoop(() => !stratisReorg.FullNode.ConnectionManager.ConnectedPeers.Any());
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisMiner, stratisSyncer));
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisReorg, stratisMiner) == false);
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisReorg, stratisSyncer) == false);
// check that a reorg did not happen.
Assert.Equal(hashBeforeReorg, stratisSyncer.FullNode.Chain.Tip.HashBlock);
}
}
public void MiningNodeWithOneConnectionAlwaysSynced()
{
string testFolderPath = Path.Combine(this.GetType().Name, nameof(MiningNodeWithOneConnectionAlwaysSynced));
using (NodeBuilder nodeBuilder = NodeBuilder.Create(testFolderPath))
{
CoreNode minerNode = nodeBuilder.CreateStratisPowNode(this.powNetwork);
minerNode.Start();
minerNode.NotInIBD().WithWallet();
CoreNode connectorNode = nodeBuilder.CreateStratisPowNode(this.powNetwork);
connectorNode.Start();
connectorNode.NotInIBD().WithWallet();
CoreNode firstNode = nodeBuilder.CreateStratisPowNode(this.powNetwork);
firstNode.Start();
firstNode.NotInIBD().WithWallet();
CoreNode secondNode = nodeBuilder.CreateStratisPowNode(this.powNetwork);
secondNode.Start();
secondNode.NotInIBD().WithWallet();
TestHelper.Connect(minerNode, connectorNode);
TestHelper.Connect(connectorNode, firstNode);
TestHelper.Connect(connectorNode, secondNode);
TestHelper.Connect(firstNode, secondNode);
List <CoreNode> nodes = new List <CoreNode> {
minerNode, connectorNode, firstNode, secondNode
};
nodes.ForEach(n =>
{
TestHelper.MineBlocks(n, 1);
TestHelper.WaitForNodeToSync(nodes.ToArray());
});
int networkHeight = minerNode.FullNode.Chain.Height;
Assert.Equal(networkHeight, nodes.Count);
// Random node on network generates a block.
TestHelper.MineBlocks(firstNode, 1);
// Wait until connector get the hash of network's block.
while ((connectorNode.FullNode.ChainBehaviorState.ConsensusTip.HashBlock != firstNode.FullNode.ChainBehaviorState.ConsensusTip.HashBlock) ||
(firstNode.FullNode.ChainBehaviorState.ConsensusTip.Height == networkHeight))
{
Thread.Sleep(1);
}
Assert.Equal(connectorNode.FullNode.Chain.Tip.HashBlock, firstNode.FullNode.Chain.Tip.HashBlock);
Assert.Equal(minerNode.FullNode.Chain.Tip.Height, networkHeight);
Assert.Equal(connectorNode.FullNode.Chain.Tip.Height, networkHeight + 1);
// Miner mines the block.
TestHelper.MineBlocks(minerNode, 1);
networkHeight++;
Assert.Equal(connectorNode.FullNode.Chain.Tip.HashBlock, firstNode.FullNode.Chain.Tip.HashBlock);
Assert.Equal(minerNode.FullNode.Chain.Tip.Height, networkHeight);
Assert.Equal(connectorNode.FullNode.Chain.Tip.Height, networkHeight);
TestHelper.MineBlocks(connectorNode, 1);
networkHeight++;
TestHelper.WaitForNodeToSync(nodes.ToArray());
nodes.All(n => n.FullNode.Chain.Height == networkHeight).Should()
.BeTrue(because: "all nodes have synced to chain height");
Assert.Equal(firstNode.FullNode.Chain.Tip.HashBlock, minerNode.FullNode.Chain.Tip.HashBlock);
}
}
public void Given_NodesAreSynced_When_ABigReorgHappens_Then_TheReorgIsIgnored()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode stratisMiner = builder.CreateStratisPosNode();
CoreNode stratisSyncer = builder.CreateStratisPosNode();
CoreNode stratisReorg = builder.CreateStratisPosNode();
builder.StartAll();
stratisMiner.NotInIBD();
stratisSyncer.NotInIBD();
stratisReorg.NotInIBD();
// TODO: set the max allowed reorg threshold here
// assume a reorg of 10 blocks is not allowed.
stratisMiner.FullNode.ChainBehaviorState.MaxReorgLength = 10;
stratisSyncer.FullNode.ChainBehaviorState.MaxReorgLength = 10;
stratisReorg.FullNode.ChainBehaviorState.MaxReorgLength = 10;
stratisMiner.SetDummyMinerSecret(new BitcoinSecret(new Key(), stratisMiner.FullNode.Network));
stratisReorg.SetDummyMinerSecret(new BitcoinSecret(new Key(), stratisReorg.FullNode.Network));
stratisMiner.GenerateStratisWithMiner(1);
// wait for block repo for block sync to work
TestHelper.WaitLoop(() => TestHelper.IsNodeSynced(stratisMiner));
stratisMiner.CreateRPCClient().AddNode(stratisReorg.Endpoint, true);
stratisMiner.CreateRPCClient().AddNode(stratisSyncer.Endpoint, true);
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisMiner, stratisSyncer));
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisMiner, stratisReorg));
// create a reorg by mining on two different chains
// ================================================
stratisMiner.CreateRPCClient().RemoveNode(stratisReorg.Endpoint);
stratisSyncer.CreateRPCClient().RemoveNode(stratisReorg.Endpoint);
TestHelper.WaitLoop(() => !TestHelper.IsNodeConnected(stratisReorg));
Task <List <uint256> > t1 = Task.Run(() => stratisMiner.GenerateStratisWithMiner(11));
Task <List <uint256> > t2 = Task.Delay(1000).ContinueWith(t => stratisReorg.GenerateStratisWithMiner(12));
Task.WaitAll(t1, t2);
TestHelper.WaitLoop(() => TestHelper.IsNodeSynced(stratisMiner));
TestHelper.WaitLoop(() => TestHelper.IsNodeSynced(stratisReorg));
// make sure the nodes are actually on different chains.
Assert.NotEqual(stratisMiner.FullNode.Chain.GetBlock(2).HashBlock, stratisReorg.FullNode.Chain.GetBlock(2).HashBlock);
TestHelper.TriggerSync(stratisSyncer);
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisMiner, stratisSyncer));
// The hash before the reorg node is connected.
uint256 hashBeforeReorg = stratisMiner.FullNode.Chain.Tip.HashBlock;
// connect the reorg chain
stratisMiner.CreateRPCClient().AddNode(stratisReorg.Endpoint, true);
stratisSyncer.CreateRPCClient().AddNode(stratisReorg.Endpoint, true);
// trigger nodes to sync
TestHelper.TriggerSync(stratisMiner);
TestHelper.TriggerSync(stratisReorg);
TestHelper.TriggerSync(stratisSyncer);
// wait for the synced chain to get headers updated.
TestHelper.WaitLoop(() => !stratisReorg.FullNode.ConnectionManager.ConnectedPeers.Any());
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisMiner, stratisSyncer));
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisReorg, stratisMiner) == false);
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisReorg, stratisSyncer) == false);
// check that a reorg did not happen.
Assert.Equal(hashBeforeReorg, stratisSyncer.FullNode.Chain.Tip.HashBlock);
}
}
public void TxMempoolBlockDoublespend()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode stratisNodeSync = builder.CreateStratisPowNode();
builder.StartAll();
stratisNodeSync.NotInIBD();
stratisNodeSync.FullNode.NodeService <MempoolSettings>().RequireStandard = true; // make sure to test standard tx
stratisNodeSync.SetDummyMinerSecret(new BitcoinSecret(new Key(), stratisNodeSync.FullNode.Network));
stratisNodeSync.GenerateStratisWithMiner(100); // coinbase maturity = 100
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.ConsensusLoop().Tip.HashBlock == stratisNodeSync.FullNode.Chain.Tip.HashBlock);
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.GetBlockStoreTip().HashBlock == stratisNodeSync.FullNode.Chain.Tip.HashBlock);
// Make sure skipping validation of transctions that were
// validated going into the memory pool does not allow
// double-spends in blocks to pass validation when they should not.
Script scriptPubKey = PayToPubkeyHashTemplate.Instance.GenerateScriptPubKey(stratisNodeSync.MinerSecret.PubKey);
Block genBlock = stratisNodeSync.FullNode.BlockStoreManager().BlockRepository.GetAsync(stratisNodeSync.FullNode.Chain.GetBlock(1).HashBlock).Result;
// Create a double-spend of mature coinbase txn:
var spends = new List <Transaction>(2);
foreach (int index in Enumerable.Range(1, 2))
{
Transaction trx = stratisNodeSync.FullNode.Network.Consensus.ConsensusFactory.CreateTransaction();
trx.AddInput(new TxIn(new OutPoint(genBlock.Transactions[0].GetHash(), 0), scriptPubKey));
trx.AddOutput(Money.Cents(11), new Key().PubKey.Hash);
// Sign:
trx.Sign(stratisNodeSync.FullNode.Network, stratisNodeSync.MinerSecret, false);
spends.Add(trx);
}
// Test 1: block with both of those transactions should be rejected.
Block block = stratisNodeSync.GenerateStratis(1, spends).Single();
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.ConsensusLoop().Tip.HashBlock == stratisNodeSync.FullNode.Chain.Tip.HashBlock);
Assert.True(stratisNodeSync.FullNode.Chain.Tip.HashBlock != block.GetHash());
// Test 2: ... and should be rejected if spend1 is in the memory pool
Assert.True(stratisNodeSync.AddToStratisMempool(spends[0]));
block = stratisNodeSync.GenerateStratis(1, spends).Single();
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.ConsensusLoop().Tip.HashBlock == stratisNodeSync.FullNode.Chain.Tip.HashBlock);
Assert.True(stratisNodeSync.FullNode.Chain.Tip.HashBlock != block.GetHash());
stratisNodeSync.FullNode.MempoolManager().Clear().Wait();
// Test 3: ... and should be rejected if spend2 is in the memory pool
Assert.True(stratisNodeSync.AddToStratisMempool(spends[1]));
block = stratisNodeSync.GenerateStratis(1, spends).Single();
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.ConsensusLoop().Tip.HashBlock == stratisNodeSync.FullNode.Chain.Tip.HashBlock);
Assert.True(stratisNodeSync.FullNode.Chain.Tip.HashBlock != block.GetHash());
stratisNodeSync.FullNode.MempoolManager().Clear().Wait();
// Final sanity test: first spend in mempool, second in block, that's OK:
var oneSpend = new List <Transaction>();
oneSpend.Add(spends[0]);
Assert.True(stratisNodeSync.AddToStratisMempool(spends[1]));
block = stratisNodeSync.GenerateStratis(1, oneSpend).Single();
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.ConsensusLoop().Tip.HashBlock == stratisNodeSync.FullNode.Chain.Tip.HashBlock);
Assert.True(stratisNodeSync.FullNode.Chain.Tip.HashBlock == block.GetHash());
// spends[1] should have been removed from the mempool when the
// block with spends[0] is accepted:
TestHelper.WaitLoop(() => stratisNodeSync.FullNode.MempoolManager().MempoolSize().Result == 0);
}
}
public void WalletCanSendOneTransactionWithManyOutputs()
{
using (NodeBuilder builder = NodeBuilder.Create())
{
CoreNode stratisSender = builder.CreateStratisPowNode();
CoreNode stratisReceiver = builder.CreateStratisPowNode();
builder.StartAll();
stratisSender.NotInIBD();
stratisReceiver.NotInIBD();
stratisSender.FullNode.WalletManager().CreateWallet("123456", "mywallet");
stratisReceiver.FullNode.WalletManager().CreateWallet("123456", "mywallet");
HdAddress addr = stratisSender.FullNode.WalletManager().GetUnusedAddress(new WalletAccountReference("mywallet", "account 0"));
Wallet wallet = stratisSender.FullNode.WalletManager().GetWalletByName("mywallet");
Key key = wallet.GetExtendedPrivateKeyForAddress("123456", addr).PrivateKey;
stratisSender.SetDummyMinerSecret(new BitcoinSecret(key, stratisSender.FullNode.Network));
int maturity = (int)stratisSender.FullNode.Network.Consensus.Option <PowConsensusOptions>().CoinbaseMaturity;
stratisSender.GenerateStratisWithMiner(maturity + 51);
// Wait for block repo for block sync to work.
TestHelper.WaitLoop(() => TestHelper.IsNodeSynced(stratisSender));
Assert.Equal(Money.COIN * 150 * 50, stratisSender.FullNode.WalletManager().GetSpendableTransactionsInWallet("mywallet").Sum(s => s.Transaction.Amount));
// Sync both nodes.
stratisSender.CreateRPCClient().AddNode(stratisReceiver.Endpoint, true);
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisReceiver, stratisSender));
// Get 50 unused addresses from the receiver.
IEnumerable <HdAddress> recevierAddresses = stratisReceiver.FullNode.WalletManager()
.GetUnusedAddresses(new WalletAccountReference("mywallet", "account 0"), 50);
List <Recipient> recipients = recevierAddresses.Select(address => new Recipient
{
ScriptPubKey = address.ScriptPubKey,
Amount = Money.COIN
})
.ToList();
var transactionBuildContext = new TransactionBuildContext(
new WalletAccountReference("mywallet", "account 0"), recipients, "123456")
{
FeeType = FeeType.Medium,
MinConfirmations = 101
};
Transaction transaction = stratisSender.FullNode.WalletTransactionHandler().BuildTransaction(transactionBuildContext);
Assert.Equal(51, transaction.Outputs.Count);
// Broadcast to the other node.
stratisSender.FullNode.NodeService <WalletController>().SendTransaction(new SendTransactionRequest(transaction.ToHex()));
// Wait for the trx's to arrive.
TestHelper.WaitLoop(() => stratisReceiver.CreateRPCClient().GetRawMempool().Length > 0);
TestHelper.WaitLoop(() => stratisReceiver.FullNode.WalletManager().GetSpendableTransactionsInWallet("mywallet").Any());
Assert.Equal(Money.COIN * 50, stratisReceiver.FullNode.WalletManager().GetSpendableTransactionsInWallet("mywallet").Sum(s => s.Transaction.Amount));
Assert.Null(stratisReceiver.FullNode.WalletManager().GetSpendableTransactionsInWallet("mywallet").First().Transaction.BlockHeight);
// Generate new blocks so the trx is confirmed.
stratisSender.GenerateStratisWithMiner(1);
// Wait for block repo for block sync to work.
TestHelper.WaitLoop(() => TestHelper.IsNodeSynced(stratisSender));
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisReceiver, stratisSender));
// Confirm trx's have been committed to the block.
Assert.Equal(maturity + 52, stratisReceiver.FullNode.WalletManager().GetSpendableTransactionsInWallet("mywallet").First().Transaction.BlockHeight);
}
}
public void MempoolSyncTransactions()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode stratisNodeSync = builder.CreateStratisPowNode();
CoreNode stratisNode1 = builder.CreateStratisPowNode();
CoreNode stratisNode2 = builder.CreateStratisPowNode();
builder.StartAll();
stratisNodeSync.NotInIBD();
stratisNode1.NotInIBD();
stratisNode2.NotInIBD();
// generate blocks and wait for the downloader to pickup
stratisNodeSync.SetDummyMinerSecret(new BitcoinSecret(new Key(), stratisNodeSync.FullNode.Network));
stratisNodeSync.GenerateStratisWithMiner(105); // coinbase maturity = 100
// wait for block repo for block sync to work
TestHelper.WaitLoop(() => TestHelper.IsNodeSynced(stratisNodeSync));
// sync both nodes
stratisNode1.CreateRPCClient().AddNode(stratisNodeSync.Endpoint, true);
stratisNode2.CreateRPCClient().AddNode(stratisNodeSync.Endpoint, true);
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisNode1, stratisNodeSync));
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(stratisNode2, stratisNodeSync));
// create some transactions and push them to the pool
var trxs = new List <Transaction>();
foreach (int index in Enumerable.Range(1, 5))
{
Block block = stratisNodeSync.FullNode.BlockStoreManager().BlockRepository.GetAsync(stratisNodeSync.FullNode.Chain.GetBlock(index).HashBlock).Result;
Transaction prevTrx = block.Transactions.First();
var dest = new BitcoinSecret(new Key(), stratisNodeSync.FullNode.Network);
Transaction tx = stratisNodeSync.FullNode.Network.Consensus.ConsensusFactory.CreateTransaction();
tx.AddInput(new TxIn(new OutPoint(prevTrx.GetHash(), 0), PayToPubkeyHashTemplate.Instance.GenerateScriptPubKey(stratisNodeSync.MinerSecret.PubKey)));
tx.AddOutput(new TxOut("25", dest.PubKey.Hash));
tx.AddOutput(new TxOut("24", new Key().PubKey.Hash)); // 1 btc fee
tx.Sign(stratisNodeSync.FullNode.Network, stratisNodeSync.MinerSecret, false);
trxs.Add(tx);
}
var options = new ParallelOptions {
MaxDegreeOfParallelism = 5
};
Parallel.ForEach(trxs, options, transaction =>
{
stratisNodeSync.Broadcast(transaction);
});
// wait for all nodes to have all trx
TestHelper.WaitLoop(() => stratisNodeSync.CreateRPCClient().GetRawMempool().Length == 5);
// the full node should be connected to both nodes
Assert.True(stratisNodeSync.FullNode.ConnectionManager.ConnectedPeers.Count() >= 2);
TestHelper.WaitLoop(() => stratisNode1.CreateRPCClient().GetRawMempool().Length == 5);
TestHelper.WaitLoop(() => stratisNode2.CreateRPCClient().GetRawMempool().Length == 5);
// mine the transactions in the mempool
stratisNodeSync.GenerateStratisWithMiner(1);
TestHelper.WaitLoop(() => stratisNodeSync.CreateRPCClient().GetRawMempool().Length == 0);
// wait for block and mempool to change
TestHelper.WaitLoop(() => stratisNode1.CreateRPCClient().GetBestBlockHash() == stratisNodeSync.CreateRPCClient().GetBestBlockHash());
TestHelper.WaitLoop(() => stratisNode2.CreateRPCClient().GetBestBlockHash() == stratisNodeSync.CreateRPCClient().GetBestBlockHash());
TestHelper.WaitLoop(() => stratisNode1.CreateRPCClient().GetRawMempool().Length == 0);
TestHelper.WaitLoop(() => stratisNode2.CreateRPCClient().GetRawMempool().Length == 0);
}
}