/// <summary>
/// Creates test chain with a consensus loop.
/// </summary>
public static async Task <TestChainContext> CreateAsync(Network network, string dataDir)
{
var testChainContext = new TestChainContext()
{
Network = network
};
testChainContext.NodeSettings = new NodeSettings(network).LoadArguments(new string[] { $"-datadir={dataDir}" });
if (dataDir != null)
{
testChainContext.NodeSettings.DataDir = dataDir;
}
testChainContext.ConnectionSettings = new ConnectionManagerSettings();
testChainContext.ConnectionSettings.Load(testChainContext.NodeSettings);
testChainContext.LoggerFactory = new ExtendedLoggerFactory();
testChainContext.LoggerFactory.AddConsoleWithFilters();
testChainContext.DateTimeProvider = DateTimeProvider.Default;
network.Consensus.Options = new PowConsensusOptions();
ConsensusSettings consensusSettings = new ConsensusSettings(testChainContext.NodeSettings, testChainContext.LoggerFactory);
testChainContext.Checkpoints = new Checkpoints();
PowConsensusValidator consensusValidator = new PowConsensusValidator(network, testChainContext.Checkpoints, testChainContext.DateTimeProvider, testChainContext.LoggerFactory);
testChainContext.Chain = new ConcurrentChain(network);
CachedCoinView cachedCoinView = new CachedCoinView(new InMemoryCoinView(testChainContext.Chain.Tip.HashBlock), DateTimeProvider.Default, testChainContext.LoggerFactory);
testChainContext.MockConnectionManager = new Moq.Mock <IConnectionManager>();
testChainContext.MockReadOnlyNodesCollection = new Moq.Mock <IReadOnlyNetworkPeerCollection>();
testChainContext.MockConnectionManager.Setup(s => s.ConnectedPeers).Returns(testChainContext.MockReadOnlyNodesCollection.Object);
testChainContext.MockConnectionManager.Setup(s => s.NodeSettings).Returns(testChainContext.NodeSettings);
testChainContext.MockConnectionManager.Setup(s => s.ConnectionSettings).Returns(testChainContext.ConnectionSettings);
testChainContext.ConnectionManager = testChainContext.MockConnectionManager.Object;
LookaheadBlockPuller blockPuller = new LookaheadBlockPuller(testChainContext.Chain, testChainContext.ConnectionManager, testChainContext.LoggerFactory);
testChainContext.PeerBanning = new PeerBanning(testChainContext.ConnectionManager, testChainContext.LoggerFactory, testChainContext.DateTimeProvider, testChainContext.NodeSettings);
NodeDeployments deployments = new NodeDeployments(testChainContext.Network, testChainContext.Chain);
ConsensusRules consensusRules = new ConsensusRules(testChainContext.Network, testChainContext.LoggerFactory, testChainContext.DateTimeProvider, testChainContext.Chain, deployments, consensusSettings, testChainContext.Checkpoints).Register(new FullNodeBuilderConsensusExtension.CoreConsensusRules());
testChainContext.Consensus = new ConsensusLoop(new AsyncLoopFactory(testChainContext.LoggerFactory), consensusValidator, new NodeLifetime(), testChainContext.Chain, cachedCoinView, blockPuller, new NodeDeployments(network, testChainContext.Chain), testChainContext.LoggerFactory, new ChainState(new InvalidBlockHashStore(testChainContext.DateTimeProvider)), testChainContext.ConnectionManager, testChainContext.DateTimeProvider, new Signals.Signals(), consensusSettings, testChainContext.NodeSettings, testChainContext.PeerBanning, consensusRules);
await testChainContext.Consensus.StartAsync();
return(testChainContext);
}
/// <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>
/// <returns>Context object representing the test chain.</returns>
public static async Task <ITestChainContext> CreateAsync(Network network, Script scriptPubKey, string dataDir)
{
NodeSettings nodeSettings = new NodeSettings(network.Name, network).LoadArguments(new string[] { $"-datadir={dataDir}" });
if (dataDir != null)
{
nodeSettings.DataDir = dataDir;
}
var loggerFactory = new ExtendedLoggerFactory();
IDateTimeProvider dateTimeProvider = DateTimeProvider.Default;
network.Consensus.Options = new PowConsensusOptions();
ConsensusSettings consensusSettings = new ConsensusSettings(nodeSettings, loggerFactory);
PowConsensusValidator consensusValidator = new PowConsensusValidator(network, new Checkpoints(), dateTimeProvider, loggerFactory);
ConcurrentChain chain = new ConcurrentChain(network);
CachedCoinView cachedCoinView = new CachedCoinView(new InMemoryCoinView(chain.Tip.HashBlock), DateTimeProvider.Default, loggerFactory);
NetworkPeerFactory networkPeerFactory = new NetworkPeerFactory(network, dateTimeProvider, loggerFactory);
var peerAddressManager = new PeerAddressManager(nodeSettings.DataFolder, loggerFactory);
var peerDiscovery = new PeerDiscovery(new AsyncLoopFactory(loggerFactory), loggerFactory, Network.PurpleMain, networkPeerFactory, new NodeLifetime(), nodeSettings, peerAddressManager);
var connectionManager = new ConnectionManager(dateTimeProvider, loggerFactory, network, networkPeerFactory, nodeSettings, new NodeLifetime(), new NetworkPeerConnectionParameters(), peerAddressManager, new IPeerConnector[] { }, peerDiscovery);
LookaheadBlockPuller blockPuller = new LookaheadBlockPuller(chain, connectionManager, new LoggerFactory());
PeerBanning peerBanning = new PeerBanning(connectionManager, loggerFactory, dateTimeProvider, nodeSettings);
NodeDeployments deployments = new NodeDeployments(network, chain);
ConsensusRules consensusRules = new ConsensusRules(network, loggerFactory, dateTimeProvider, chain, deployments, consensusSettings, new Checkpoints()).Register(new FullNodeBuilderConsensusExtension.CoreConsensusRules());
ConsensusLoop consensus = new ConsensusLoop(new AsyncLoopFactory(loggerFactory), consensusValidator, new NodeLifetime(), chain, cachedCoinView, blockPuller, deployments, loggerFactory, new ChainState(new InvalidBlockHashStore(dateTimeProvider)), connectionManager, dateTimeProvider, new Signals.Signals(), consensusSettings, nodeSettings, peerBanning, consensusRules);
await consensus.StartAsync();
BlockPolicyEstimator blockPolicyEstimator = new BlockPolicyEstimator(new MempoolSettings(nodeSettings), loggerFactory, nodeSettings);
TxMempool mempool = new TxMempool(dateTimeProvider, blockPolicyEstimator, loggerFactory, nodeSettings);
MempoolSchedulerLock mempoolLock = new MempoolSchedulerLock();
// Simple block creation, nothing special yet:
PowBlockAssembler blockAssembler = CreatePowBlockAssembler(network, consensus, chain, mempoolLock, mempool, dateTimeProvider, loggerFactory);
BlockTemplate newBlock = blockAssembler.CreateNewBlock(scriptPubKey);
chain.SetTip(newBlock.Block.Header);
await consensus.ValidateAndExecuteBlockAsync(new RuleContext(new BlockValidationContext {
Block = newBlock.Block
}, network.Consensus, consensus.Tip) { CheckPow = false, CheckMerkleRoot = false });
List <BlockInfo> blockinfo = CreateBlockInfoList();
// We can't make transactions until we have inputs
// Therefore, load 100 blocks :)
int baseheight = 0;
List <Block> blocks = new List <Block>();
List <Transaction> srcTxs = new List <Transaction>();
for (int i = 0; i < blockinfo.Count; ++i)
{
Block currentBlock = newBlock.Block.Clone(); // pointer for convenience
currentBlock.Header.HashPrevBlock = chain.Tip.HashBlock;
currentBlock.Header.Version = 1;
currentBlock.Header.Time = Utils.DateTimeToUnixTime(chain.Tip.GetMedianTimePast()) + 1;
Transaction txCoinbase = currentBlock.Transactions[0].Clone();
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;
if (srcTxs.Count == 0)
{
baseheight = chain.Height;
}
if (srcTxs.Count < 4)
{
srcTxs.Add(currentBlock.Transactions[0]);
}
currentBlock.UpdateMerkleRoot();
currentBlock.Header.Nonce = blockinfo[i].nonce;
chain.SetTip(currentBlock.Header);
await consensus.ValidateAndExecuteBlockAsync(new RuleContext(new BlockValidationContext {
Block = currentBlock
}, network.Consensus, consensus.Tip) { CheckPow = false, CheckMerkleRoot = false });
blocks.Add(currentBlock);
}
// Just to make sure we can still make simple blocks
blockAssembler = CreatePowBlockAssembler(network, consensus, chain, mempoolLock, mempool, dateTimeProvider, loggerFactory);
newBlock = blockAssembler.CreateNewBlock(scriptPubKey);
MempoolValidator mempoolValidator = new MempoolValidator(mempool, mempoolLock, consensusValidator, dateTimeProvider, new MempoolSettings(nodeSettings), chain, cachedCoinView, loggerFactory, nodeSettings);
return(new TestChainContext {
MempoolValidator = mempoolValidator, SrcTxs = srcTxs
});
}
public async Task InitializeAsync()
{
this.blockinfo = new List <Blockinfo>();
var 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 = Network.Main;
var hex = Encoders.Hex.DecodeData("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f");
this.scriptPubKey = new Script(new[] { Op.GetPushOp(hex), OpcodeType.OP_CHECKSIG });
this.newBlock = new BlockTemplate();
this.entry = new TestMemPoolEntryHelper();
this.chain = new ConcurrentChain(this.network);
this.network.Consensus.Options = new PowConsensusOptions();
IDateTimeProvider dateTimeProvider = DateTimeProvider.Default;
this.cachedCoinView = new CachedCoinView(new InMemoryCoinView(this.chain.Tip.HashBlock), dateTimeProvider, new LoggerFactory());
LoggerFactory loggerFactory = new LoggerFactory();
var nodeSettings = NodeSettings.Default();
var consensusSettings = new ConsensusSettings(nodeSettings, loggerFactory)
{
UseCheckpoints = this.useCheckpoints
};
PowConsensusValidator consensusValidator = new PowConsensusValidator(this.network, new Checkpoints(this.network, consensusSettings), dateTimeProvider, loggerFactory);
NetworkPeerFactory networkPeerFactory = new NetworkPeerFactory(dateTimeProvider, loggerFactory);
var connectionManager = new ConnectionManager(this.network, new NetworkPeerConnectionParameters(), nodeSettings, loggerFactory, new NodeLifetime(), new AsyncLoopFactory(loggerFactory), new PeerAddressManager(), dateTimeProvider, networkPeerFactory, new IPeerConnector[] { });
LookaheadBlockPuller blockPuller = new LookaheadBlockPuller(this.chain, connectionManager, new LoggerFactory());
PeerBanning peerBanning = new PeerBanning(connectionManager, loggerFactory, dateTimeProvider, nodeSettings);
NodeDeployments deployments = new NodeDeployments(this.network, this.chain);
ConsensusRules consensusRules = new ConsensusRules(this.network, loggerFactory, dateTimeProvider, chain, deployments).Register(new FullNodeBuilderConsensusExtension.BaseConsensusRules());
this.consensus = new ConsensusLoop(new AsyncLoopFactory(loggerFactory), consensusValidator, new NodeLifetime(), this.chain, this.cachedCoinView, blockPuller, new NodeDeployments(this.network, this.chain), loggerFactory, new ChainState(new FullNode(), new InvalidBlockHashStore(dateTimeProvider)), connectionManager, dateTimeProvider, new Signals.Signals(), new Checkpoints(this.network, consensusSettings), consensusSettings, nodeSettings, peerBanning, consensusRules);
await this.consensus.StartAsync();
this.entry.Fee(11);
this.entry.Height(11);
var date1 = new MemoryPoolTests.DateTimeProviderSet();
date1.time = dateTimeProvider.GetTime();
date1.timeutc = dateTimeProvider.GetUtcNow();
this.date = date1;
this.mempool = new TxMempool(dateTimeProvider, new BlockPolicyEstimator(new MempoolSettings(nodeSettings), new LoggerFactory(), nodeSettings), new LoggerFactory(), nodeSettings);;
this.mempoolLock = new MempoolSchedulerLock();
// Simple block creation, nothing special yet:
this.newBlock = AssemblerForTest(this).CreateNewBlock(this.scriptPubKey);
this.chain.SetTip(this.newBlock.Block.Header);
await this.consensus.ValidateAndExecuteBlockAsync(new ContextInformation(new BlockValidationContext {
Block = this.newBlock.Block
}, this.network.Consensus) { CheckPow = false, CheckMerkleRoot = false });
// We can't make transactions until we have inputs
// Therefore, load 100 blocks :)
this.baseheight = 0;
List <Block> blocks = new List <Block>();
this.txFirst = new List <Transaction>();
for (int i = 0; i < this.blockinfo.Count; ++i)
{
var pblock = this.newBlock.Block.Clone(); // pointer for convenience
pblock.Header.HashPrevBlock = this.chain.Tip.HashBlock;
pblock.Header.Version = 1;
pblock.Header.Time = Utils.DateTimeToUnixTime(this.chain.Tip.GetMedianTimePast()) + 1;
Transaction txCoinbase = pblock.Transactions[0].Clone();
txCoinbase.Inputs.Clear();
txCoinbase.Version = 1;
txCoinbase.AddInput(new TxIn(new Script(new[] { Op.GetPushOp(this.blockinfo[i].extranonce), Op.GetPushOp(this.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()));
pblock.Transactions[0] = txCoinbase;
if (this.txFirst.Count == 0)
{
this.baseheight = this.chain.Height;
}
if (this.txFirst.Count < 4)
{
this.txFirst.Add(pblock.Transactions[0]);
}
pblock.UpdateMerkleRoot();
pblock.Header.Nonce = this.blockinfo[i].nonce;
this.chain.SetTip(pblock.Header);
await this.consensus.ValidateAndExecuteBlockAsync(new ContextInformation(new BlockValidationContext {
Block = pblock
}, this.network.Consensus) { CheckPow = false, CheckMerkleRoot = false });
blocks.Add(pblock);
}
// Just to make sure we can still make simple blocks
this.newBlock = AssemblerForTest(this).CreateNewBlock(this.scriptPubKey);
Assert.NotNull(this.newBlock);
}