private void SetupRulesEngine(ChainIndexer chainIndexer)
{
var dateTimeProvider = new DateTimeProvider();
var consensusRulesContainer = new ConsensusRulesContainer();
foreach (var ruleType in this.Network.Consensus.ConsensusRules.HeaderValidationRules)
{
consensusRulesContainer.HeaderValidationRules.Add(Activator.CreateInstance(ruleType) as HeaderValidationConsensusRule);
}
foreach (var ruleType in this.Network.Consensus.ConsensusRules.PartialValidationRules)
{
consensusRulesContainer.PartialValidationRules.Add(Activator.CreateInstance(ruleType) as PartialValidationConsensusRule);
}
foreach (var ruleType in this.Network.Consensus.ConsensusRules.FullValidationRules)
{
FullValidationConsensusRule rule = null;
if (ruleType == typeof(FlushUtxosetRule))
{
rule = new FlushUtxosetRule(new Mock <IInitialBlockDownloadState>().Object, new Mock <IChainRepository>().Object, new Mock <ChainIndexer>().Object, new Mock <INodeLifetime>().Object, new Mock <IChainState>().Object);
}
else
{
rule = Activator.CreateInstance(ruleType) as FullValidationConsensusRule;
}
consensusRulesContainer.FullValidationRules.Add(rule);
}
var asyncProvider = new AsyncProvider(this.LoggerFactory.Object, new Mock <ISignals>().Object, new NodeLifetime());
var powConsensusRules = new PowConsensusRuleEngine(this.testNet,
this.LoggerFactory.Object, this.dateTimeProvider.Object, chainIndexer,
new NodeDeployments(this.testNet, chainIndexer), new ConsensusSettings(new NodeSettings(this.testNet)), new Checkpoints(),
new Mock <ICoinView>().Object, new Mock <IChainState>().Object, new InvalidBlockHashStore(dateTimeProvider), new NodeStats(dateTimeProvider, this.LoggerFactory.Object), asyncProvider, consensusRulesContainer);
powConsensusRules.SetupRulesEngineParent();
this.consensusManager.SetupGet(x => x.ConsensusRules).Returns(powConsensusRules);
}
public async Task InitializeAsync()
{
this.blockinfo = new List <Blockinfo>();
List <long> lst = blockinfoarr.Cast <long>().ToList();
for (int i = 0; i < lst.Count; i += 2)
{
this.blockinfo.Add(new Blockinfo {
extranonce = (int)lst[i], nonce = (uint)lst[i + 1]
});
}
// Note that by default, these tests run with size accounting enabled.
this.network = KnownNetworks.RegTest;
byte[] hex = Encoders.Hex.DecodeData("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f");
this.scriptPubKey = new Script(new[] { Op.GetPushOp(hex), OpcodeType.OP_CHECKSIG });
this.entry = new TestMemPoolEntryHelper();
this.ChainIndexer = new ChainIndexer(this.network);
this.network.Consensus.Options = new ConsensusOptions();
IDateTimeProvider dateTimeProvider = DateTimeProvider.Default;
var loggerFactory = ExtendedLoggerFactory.Create();
var nodeSettings = new NodeSettings(this.network, args: new string[] { "-checkpoints" });
var consensusSettings = new ConsensusSettings(nodeSettings);
var inMemoryCoinView = new InMemoryCoinView(new HashHeightPair(this.ChainIndexer.Tip));
var nodeStats = new NodeStats(dateTimeProvider, loggerFactory);
this.cachedCoinView = new CachedCoinView(this.network, new Checkpoints(), inMemoryCoinView, dateTimeProvider, new LoggerFactory(), nodeStats, consensusSettings);
var signals = new Signals.Signals(loggerFactory, null);
var asyncProvider = new AsyncProvider(loggerFactory, signals, new NodeLifetime());
var deployments = new NodeDeployments(this.network, this.ChainIndexer);
var genesis = this.network.GetGenesis();
var chainState = new ChainState()
{
BlockStoreTip = new ChainedHeader(genesis.Header, genesis.GetHash(), 0)
};
var consensusRulesContainer = new ConsensusRulesContainer();
foreach (var ruleType in this.network.Consensus.ConsensusRules.HeaderValidationRules)
{
consensusRulesContainer.HeaderValidationRules.Add(Activator.CreateInstance(ruleType) as HeaderValidationConsensusRule);
}
foreach (var ruleType in this.network.Consensus.ConsensusRules.FullValidationRules)
{
FullValidationConsensusRule rule = null;
if (ruleType == typeof(FlushUtxosetRule))
{
rule = new FlushUtxosetRule(new Mock <IInitialBlockDownloadState>().Object);
}
else
{
rule = Activator.CreateInstance(ruleType) as FullValidationConsensusRule;
}
consensusRulesContainer.FullValidationRules.Add(rule);
}
this.ConsensusRules = new PowConsensusRuleEngine(this.network, loggerFactory, dateTimeProvider, this.ChainIndexer, deployments, consensusSettings,
new Checkpoints(), this.cachedCoinView, chainState, new InvalidBlockHashStore(dateTimeProvider), nodeStats, asyncProvider, consensusRulesContainer).SetupRulesEngineParent();
this.consensus = ConsensusManagerHelper.CreateConsensusManager(this.network, chainState: chainState, inMemoryCoinView: inMemoryCoinView, chainIndexer: this.ChainIndexer, consensusRules: this.ConsensusRules);
await this.consensus.InitializeAsync(chainState.BlockStoreTip);
this.entry.Fee(11);
this.entry.Height(11);
var dateTimeProviderSet = new DateTimeProviderSet
{
time = dateTimeProvider.GetTime(),
timeutc = dateTimeProvider.GetUtcNow()
};
this.DateTimeProvider = dateTimeProviderSet;
this.mempool = new TxMempool(dateTimeProvider, new BlockPolicyEstimator(new MempoolSettings(nodeSettings), loggerFactory, nodeSettings), loggerFactory, nodeSettings);
this.mempoolLock = new MempoolSchedulerLock();
// We can't make transactions until we have inputs
// Therefore, load 100 blocks :)
this.baseheight = 0;
var blocks = new List <Block>();
this.txFirst = new List <Transaction>();
this.nonce = 0;
for (int i = 0; i < this.blockinfo.Count; ++i)
{
Block block = this.network.CreateBlock();
block.Header.HashPrevBlock = this.consensus.Tip.HashBlock;
block.Header.Version = 1;
block.Header.Time = Utils.DateTimeToUnixTime(this.ChainIndexer.Tip.GetMedianTimePast()) + 1;
Transaction txCoinbase = this.network.CreateTransaction();
txCoinbase.Version = 1;
txCoinbase.AddInput(new TxIn(new Script(new[] { Op.GetPushOp(this.blockinfo[i].extranonce), Op.GetPushOp(this.ChainIndexer.Height) })));
// Ignore the (optional) segwit commitment added by CreateNewBlock (as the hardcoded nonces don't account for this)
txCoinbase.AddOutput(new TxOut(Money.Zero, new Script()));
block.AddTransaction(txCoinbase);
if (this.txFirst.Count == 0)
{
this.baseheight = this.ChainIndexer.Height;
}
if (this.txFirst.Count < 4)
{
this.txFirst.Add(block.Transactions[0]);
}
block.Header.Bits = block.Header.GetWorkRequired(this.network, this.ChainIndexer.Tip);
block.UpdateMerkleRoot();
while (!block.CheckProofOfWork())
{
block.Header.Nonce = ++this.nonce;
}
// Serialization sets the BlockSize property.
block = Block.Load(block.ToBytes(), this.network.Consensus.ConsensusFactory);
var res = await this.consensus.BlockMinedAsync(block);
if (res == null)
{
throw new InvalidOperationException();
}
blocks.Add(block);
}
// Just to make sure we can still make simple blocks
this.newBlock = AssemblerForTest(this).Build(this.ChainIndexer.Tip, this.scriptPubKey);
Assert.NotNull(this.newBlock);
}
/// <summary>
/// Creates the test chain with some default blocks and txs.
/// </summary>
/// <param name="network">Network to create the chain on.</param>
/// <param name="scriptPubKey">Public key to create blocks/txs with.</param>
/// <param name="requireStandard">By default testnet and regtest networks do not require transactions to be standard. This changes that default.</param>
/// <returns>Context object representing the test chain.</returns>
public static async Task <ITestChainContext> CreateAsync(Network network, Script scriptPubKey, string dataDir, bool requireStandard = true)
{
var nodeSettings = new NodeSettings(network, args: new string[] { $"-datadir={dataDir}" });
ILoggerFactory loggerFactory = nodeSettings.LoggerFactory;
IDateTimeProvider dateTimeProvider = DateTimeProvider.Default;
network.Consensus.Options = new ConsensusOptions();
var consensusRulesContainer = new ConsensusRulesContainer();
foreach (Type ruleType in network.Consensus.ConsensusRules.HeaderValidationRules)
{
// Don't check PoW of a header in this test.
if (ruleType == typeof(CheckDifficultyPowRule))
{
continue;
}
consensusRulesContainer.HeaderValidationRules.Add(Activator.CreateInstance(ruleType) as HeaderValidationConsensusRule);
}
foreach (Type ruleType in network.Consensus.ConsensusRules.PartialValidationRules)
{
consensusRulesContainer.PartialValidationRules.Add(Activator.CreateInstance(ruleType) as PartialValidationConsensusRule);
}
foreach (var ruleType in network.Consensus.ConsensusRules.FullValidationRules)
{
FullValidationConsensusRule rule = null;
if (ruleType == typeof(FlushUtxosetRule))
{
rule = new FlushUtxosetRule(new Mock <IInitialBlockDownloadState>().Object);
}
else
{
rule = Activator.CreateInstance(ruleType) as FullValidationConsensusRule;
}
consensusRulesContainer.FullValidationRules.Add(rule);
}
var consensusSettings = new ConsensusSettings(nodeSettings);
var chain = new ChainIndexer(network);
var inMemoryCoinView = new InMemoryCoinView(new HashHeightPair(chain.Tip));
var asyncProvider = new AsyncProvider(loggerFactory, new Mock <ISignals>().Object, new NodeLifetime());
var chainState = new ChainState();
var deployments = new NodeDeployments(network, chain);
ConsensusRuleEngine consensusRules = new PowConsensusRuleEngine(network, loggerFactory, dateTimeProvider, chain, deployments, consensusSettings, new Checkpoints(),
inMemoryCoinView, chainState, new InvalidBlockHashStore(dateTimeProvider), new NodeStats(dateTimeProvider, loggerFactory), asyncProvider, consensusRulesContainer).SetupRulesEngineParent();
ConsensusManager consensus = ConsensusManagerHelper.CreateConsensusManager(network, dataDir, chainState, chainIndexer: chain, consensusRules: consensusRules, inMemoryCoinView: inMemoryCoinView);
var genesis = new ChainedHeader(network.GetGenesis().Header, network.GenesisHash, 0);
chainState.BlockStoreTip = genesis;
await consensus.InitializeAsync(genesis).ConfigureAwait(false);
var blockPolicyEstimator = new BlockPolicyEstimator(new MempoolSettings(nodeSettings), loggerFactory, nodeSettings);
var mempool = new TxMempool(dateTimeProvider, blockPolicyEstimator, loggerFactory, nodeSettings);
var mempoolLock = new MempoolSchedulerLock();
var minerSettings = new MinerSettings(nodeSettings);
// Simple block creation, nothing special yet:
var blockDefinition = new PowBlockDefinition(consensus, dateTimeProvider, loggerFactory, mempool, mempoolLock, minerSettings, network, consensusRules, deployments);
BlockTemplate newBlock = blockDefinition.Build(chain.Tip, scriptPubKey);
await consensus.BlockMinedAsync(newBlock.Block);
List <BlockInfo> blockinfo = CreateBlockInfoList();
// We can't make transactions until we have inputs therefore, load 100 blocks.
var srcTxs = new List <Transaction>();
for (int i = 0; i < blockinfo.Count; ++i)
{
Block currentBlock = Block.Load(newBlock.Block.ToBytes(network.Consensus.ConsensusFactory), network.Consensus.ConsensusFactory);
currentBlock.Header.HashPrevBlock = chain.Tip.HashBlock;
currentBlock.Header.Version = 1;
currentBlock.Header.Time = Utils.DateTimeToUnixTime(chain.Tip.GetMedianTimePast()) + 1;
Transaction txCoinbase = network.CreateTransaction(currentBlock.Transactions[0].ToBytes());
txCoinbase.Inputs.Clear();
txCoinbase.Version = 1;
txCoinbase.AddInput(new TxIn(new Script(new[] { Op.GetPushOp(blockinfo[i].extraNonce), Op.GetPushOp(chain.Height) })));
// Ignore the (optional) segwit commitment added by CreateNewBlock (as the hardcoded nonces don't account for this)
txCoinbase.AddOutput(new TxOut(Money.Zero, new Script()));
currentBlock.Transactions[0] = txCoinbase;
currentBlock.UpdateMerkleRoot();
currentBlock.Header.Nonce = blockinfo[i].nonce;
chain.SetTip(currentBlock.Header);
srcTxs.Add(currentBlock.Transactions[0]);
inMemoryCoinView.SaveChanges(new List <UnspentOutput>()
{
new UnspentOutput(new OutPoint(currentBlock.Transactions[0], 0), new Coins((uint)(i + 1), currentBlock.Transactions[0].Outputs.First(), currentBlock.Transactions[0].IsCoinBase))
}, new HashHeightPair(chain.Tip.Previous), new HashHeightPair(chain.Tip));
}
// Just to make sure we can still make simple blocks
blockDefinition = new PowBlockDefinition(consensus, dateTimeProvider, loggerFactory, mempool, mempoolLock, minerSettings, network, consensusRules, deployments);
blockDefinition.Build(chain.Tip, scriptPubKey);
var mempoolSettings = new MempoolSettings(nodeSettings)
{
RequireStandard = requireStandard
};
// The mempool rule constructors aren't parameterless, so we have to manually inject the dependencies for every rule
var mempoolRules = new List <MempoolRule>
{
new CheckConflictsMempoolRule(network, mempool, mempoolSettings, chain, loggerFactory),
new CheckCoinViewMempoolRule(network, mempool, mempoolSettings, chain, loggerFactory),
new CreateMempoolEntryMempoolRule(network, mempool, mempoolSettings, chain, consensusRules, loggerFactory),
new CheckSigOpsMempoolRule(network, mempool, mempoolSettings, chain, loggerFactory),
new CheckFeeMempoolRule(network, mempool, mempoolSettings, chain, loggerFactory),
new CheckRateLimitMempoolRule(network, mempool, mempoolSettings, chain, loggerFactory),
new CheckAncestorsMempoolRule(network, mempool, mempoolSettings, chain, loggerFactory),
new CheckReplacementMempoolRule(network, mempool, mempoolSettings, chain, loggerFactory),
new CheckAllInputsMempoolRule(network, mempool, mempoolSettings, chain, consensusRules, deployments, loggerFactory),
new CheckTxOutDustRule(network, mempool, mempoolSettings, chain, loggerFactory),
};
// We also have to check that the manually instantiated rules match the ones in the network, or the test isn't valid
for (int i = 0; i < network.Consensus.MempoolRules.Count; i++)
{
if (network.Consensus.MempoolRules[i] != mempoolRules[i].GetType())
{
throw new Exception("Mempool rule type mismatch");
}
}
Assert.Equal(network.Consensus.MempoolRules.Count, mempoolRules.Count);
var mempoolValidator = new MempoolValidator(mempool, mempoolLock, dateTimeProvider, mempoolSettings, chain, inMemoryCoinView, loggerFactory, nodeSettings, consensusRules, mempoolRules, deployments);
return(new TestChainContext {
MempoolValidator = mempoolValidator, MempoolSettings = mempoolSettings, ChainIndexer = chain, SrcTxs = srcTxs
});
}
private MempoolManager CreateTestMempool(NodeSettings settings, out TxMempool txMemPool)
{
var mempoolSettings = new MempoolSettings(settings);
IDateTimeProvider dateTimeProvider = DateTimeProvider.Default;
NodeSettings nodeSettings = NodeSettings.Default(settings.Network);
ILoggerFactory loggerFactory = nodeSettings.LoggerFactory;
var consensusSettings = new ConsensusSettings(nodeSettings);
txMemPool = new TxMempool(dateTimeProvider, new BlockPolicyEstimator(mempoolSettings, loggerFactory, nodeSettings), loggerFactory, nodeSettings);
var mempoolLock = new MempoolSchedulerLock();
var coins = new InMemoryCoinView(new HashHeightPair(settings.Network.GenesisHash, 0));
var chain = new ChainIndexer(settings.Network);
var deployments = new NodeDeployments(this.network, chain);
var chainState = new ChainState();
var mempoolPersistence = new MempoolPersistence(settings, loggerFactory);
this.network.Consensus.Options = new PosConsensusOptions();
var consensusRulesContainer = new ConsensusRulesContainer();
foreach (var ruleType in this.network.Consensus.ConsensusRules.HeaderValidationRules)
{
consensusRulesContainer.HeaderValidationRules.Add(Activator.CreateInstance(ruleType) as HeaderValidationConsensusRule);
}
foreach (var ruleType in this.network.Consensus.ConsensusRules.FullValidationRules)
{
FullValidationConsensusRule rule = null;
if (ruleType == typeof(FlushUtxosetRule))
{
rule = new FlushUtxosetRule(new Mock <IInitialBlockDownloadState>().Object);
}
else
{
rule = Activator.CreateInstance(ruleType) as FullValidationConsensusRule;
}
consensusRulesContainer.FullValidationRules.Add(rule);
}
var asyncProvider = new AsyncProvider(nodeSettings.LoggerFactory, new Mock <ISignals>().Object, new NodeLifetime());
ConsensusRuleEngine consensusRules = new PowConsensusRuleEngine(this.network, loggerFactory, dateTimeProvider, chain, deployments,
consensusSettings, new Checkpoints(), coins, chainState, new InvalidBlockHashStore(dateTimeProvider), new NodeStats(dateTimeProvider, loggerFactory), asyncProvider, consensusRulesContainer).SetupRulesEngineParent();
// The mempool rule constructors aren't parameterless, so we have to manually inject the dependencies for every rule
var mempoolRules = new List <MempoolRule>
{
new CheckConflictsMempoolRule(this.network, txMemPool, mempoolSettings, chain, loggerFactory),
new CheckCoinViewMempoolRule(this.network, txMemPool, mempoolSettings, chain, loggerFactory),
new CreateMempoolEntryMempoolRule(this.network, txMemPool, mempoolSettings, chain, consensusRules, loggerFactory),
new CheckSigOpsMempoolRule(this.network, txMemPool, mempoolSettings, chain, loggerFactory),
new CheckFeeMempoolRule(this.network, txMemPool, mempoolSettings, chain, loggerFactory),
new CheckRateLimitMempoolRule(this.network, txMemPool, mempoolSettings, chain, loggerFactory),
new CheckAncestorsMempoolRule(this.network, txMemPool, mempoolSettings, chain, loggerFactory),
new CheckReplacementMempoolRule(this.network, txMemPool, mempoolSettings, chain, loggerFactory),
new CheckAllInputsMempoolRule(this.network, txMemPool, mempoolSettings, chain, consensusRules, deployments, loggerFactory),
new CheckTxOutDustRule(this.network, txMemPool, mempoolSettings, chain, loggerFactory),
};
// We also have to check that the manually instantiated rules match the ones in the network, or the test isn't valid
for (int i = 0; i < this.network.Consensus.MempoolRules.Count; i++)
{
if (this.network.Consensus.MempoolRules[i] != mempoolRules[i].GetType())
{
throw new Exception("Mempool rule type mismatch");
}
}
var mempoolValidator = new MempoolValidator(txMemPool, mempoolLock, dateTimeProvider, mempoolSettings, chain, coins, loggerFactory, settings, consensusRules, mempoolRules, deployments);
return(new MempoolManager(mempoolLock, txMemPool, mempoolValidator, dateTimeProvider, mempoolSettings, mempoolPersistence, coins, loggerFactory, settings.Network));
}
