public static async Task ValidateBlockAsync(ICoreStorage coreStorage, ICoreRules rules, Chain newChain, ISourceBlock<ValidatableTx> validatableTxes, CancellationToken cancelToken = default(CancellationToken))
{
// tally transactions
object finalTally = null;
var txTallier = new TransformBlock<ValidatableTx, ValidatableTx>(
validatableTx =>
{
var runningTally = finalTally;
rules.TallyTransaction(newChain, validatableTx, ref runningTally);
finalTally = runningTally;
return validatableTx;
});
validatableTxes.LinkTo(txTallier, new DataflowLinkOptions { PropagateCompletion = true });
// validate transactions
var txValidator = InitTxValidator(rules, newChain, cancelToken);
// begin feeding the tx validator
txTallier.LinkTo(txValidator, new DataflowLinkOptions { PropagateCompletion = true });
// validate scripts
var scriptValidator = InitScriptValidator(rules, newChain, cancelToken);
// begin feeding the script validator
txValidator.LinkTo(scriptValidator, new DataflowLinkOptions { PropagateCompletion = true });
//TODO
await PipelineCompletion.Create(
new Task[] { },
new IDataflowBlock[] { validatableTxes, txTallier, txValidator, scriptValidator });
// validate overall block
rules.PostValidateBlock(newChain, finalTally);
}
public ChainStateBuilder(ICoreRules rules, ICoreStorage coreStorage, IStorageManager storageManager)
{
this.rules = rules;
this.coreStorage = coreStorage;
this.storageManager = storageManager;
this.chain = new Lazy <Chain>(() => LoadChain());
this.stats = new ChainStateBuilderStats();
this.utxoBuilder = new UtxoBuilder();
}
public CoreDaemon(ICoreRules rules, IStorageManager storageManager)
{
this.rules = rules;
this.storageManager = storageManager;
coreStorage = new CoreStorage(storageManager);
// create chain state builder
chainStateBuilder = new ChainStateBuilder(this.rules, coreStorage, this.storageManager);
// create unconfirmed txes builder
unconfirmedTxesBuilder = new UnconfirmedTxesBuilder(this, coreStorage, this.storageManager);
// create workers
targetChainWorker = new TargetChainWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMilliseconds(0), maxIdleTime: TimeSpan.FromSeconds(30)),
ChainParams, coreStorage);
chainStateWorker = new ChainStateWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMilliseconds(0), maxIdleTime: TimeSpan.FromSeconds(5)),
targetChainWorker, chainStateBuilder, this.rules, coreStorage);
unconfirmedTxesWorker = new UnconfirmedTxesWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMilliseconds(0), maxIdleTime: TimeSpan.FromSeconds(5)),
chainStateWorker, unconfirmedTxesBuilder, coreStorage);
pruningWorker = new PruningWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromSeconds(0), maxIdleTime: TimeSpan.FromMinutes(5)),
this, this.storageManager, chainStateWorker);
defragWorker = new DefragWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMinutes(5), maxIdleTime: TimeSpan.FromMinutes(5)),
this.storageManager);
gcWorker = new WorkerMethod("GC Worker", GcWorker,
initialNotify: true, minIdleTime: TimeSpan.FromMinutes(5), maxIdleTime: TimeSpan.FromMinutes(5));
utxoScanWorker = new WorkerMethod("UTXO Scan Worker", UtxoScanWorker,
initialNotify: true, minIdleTime: TimeSpan.FromSeconds(60), maxIdleTime: TimeSpan.FromSeconds(60));
statsWorker = new StatsWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMinutes(0), maxIdleTime: TimeSpan.MaxValue),
this);
// wire events
chainStateWorker.BlockMissed += HandleBlockMissed;
targetChainWorker.OnTargetChainChanged += HandleTargetChainChanged;
chainStateWorker.OnChainStateChanged += HandleChainStateChanged;
pruningWorker.OnWorkFinished += defragWorker.NotifyWork;
unconfirmedTxesBuilder.UnconfirmedTxAdded += RaiseUnconfirmedTxAdded;
unconfirmedTxesBuilder.TxesConfirmed += RaiseTxesConfirmed;
unconfirmedTxesBuilder.TxesUnconfirmed += RaiseTxesUnconfirmed;
}
public CoreDaemon(ICoreRules rules, IStorageManager storageManager)
{
this.rules = rules;
this.storageManager = storageManager;
coreStorage = new CoreStorage(storageManager);
// create chain state builder
chainStateBuilder = new ChainStateBuilder(this.rules, coreStorage, this.storageManager);
// create unconfirmed txes builder
unconfirmedTxesBuilder = new UnconfirmedTxesBuilder(this, coreStorage, this.storageManager);
// create workers
targetChainWorker = new TargetChainWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMilliseconds(0), maxIdleTime: TimeSpan.FromSeconds(30)),
ChainParams, coreStorage);
chainStateWorker = new ChainStateWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMilliseconds(0), maxIdleTime: TimeSpan.FromSeconds(5)),
targetChainWorker, chainStateBuilder, this.rules, coreStorage);
unconfirmedTxesWorker = new UnconfirmedTxesWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMilliseconds(0), maxIdleTime: TimeSpan.FromSeconds(5)),
chainStateWorker, unconfirmedTxesBuilder, coreStorage);
pruningWorker = new PruningWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromSeconds(0), maxIdleTime: TimeSpan.FromMinutes(5)),
this, this.storageManager, chainStateWorker);
defragWorker = new DefragWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMinutes(5), maxIdleTime: TimeSpan.FromMinutes(5)),
this.storageManager);
gcWorker = new WorkerMethod("GC Worker", GcWorker,
initialNotify: true, minIdleTime: TimeSpan.FromMinutes(5), maxIdleTime: TimeSpan.FromMinutes(5));
utxoScanWorker = new WorkerMethod("UTXO Scan Worker", UtxoScanWorker,
initialNotify: true, minIdleTime: TimeSpan.FromSeconds(60), maxIdleTime: TimeSpan.FromSeconds(60));
statsWorker = new StatsWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMinutes(0), maxIdleTime: TimeSpan.MaxValue),
this);
// wire events
chainStateWorker.BlockMissed += HandleBlockMissed;
targetChainWorker.OnTargetChainChanged += HandleTargetChainChanged;
chainStateWorker.OnChainStateChanged += HandleChainStateChanged;
pruningWorker.OnWorkFinished += defragWorker.NotifyWork;
unconfirmedTxesBuilder.UnconfirmedTxAdded += RaiseUnconfirmedTxAdded;
unconfirmedTxesBuilder.TxesConfirmed += RaiseTxesConfirmed;
unconfirmedTxesBuilder.TxesUnconfirmed += RaiseTxesUnconfirmed;
}
private static ActionBlock<Tuple<ValidatableTx, int>> InitScriptValidator(ICoreRules rules, Chain newChain, CancellationToken cancelToken)
{
return new ActionBlock<Tuple<ValidatableTx, int>>(
tuple =>
{
var validatableTx = tuple.Item1;
var inputIndex = tuple.Item2;
var tx = validatableTx.Transaction;
var txInput = tx.Inputs[inputIndex];
var prevTxOutputs = validatableTx.PrevTxOutputs[inputIndex];
rules.ValidationTransactionScript(newChain, validatableTx.BlockTx, txInput, inputIndex, prevTxOutputs);
},
new ExecutionDataflowBlockOptions { CancellationToken = cancelToken, MaxDegreeOfParallelism = Environment.ProcessorCount });
}
private static ActionBlock <Tuple <ValidatableTx, int> > InitScriptValidator(ICoreRules rules, Chain newChain, CancellationToken cancelToken)
{
return(new ActionBlock <Tuple <ValidatableTx, int> >(
tuple =>
{
var validatableTx = tuple.Item1;
var inputIndex = tuple.Item2;
var tx = validatableTx.Transaction;
var txInput = tx.Inputs[inputIndex];
var prevTxOutputs = validatableTx.PrevTxOutputs[inputIndex];
rules.ValidationTransactionScript(newChain, validatableTx.BlockTx, txInput, inputIndex, prevTxOutputs);
},
new ExecutionDataflowBlockOptions {
CancellationToken = cancelToken, MaxDegreeOfParallelism = Environment.ProcessorCount
}));
}
public static async Task ValidateBlockAsync(ICoreStorage coreStorage, ICoreRules rules, Chain newChain, ISourceBlock <ValidatableTx> validatableTxes, CancellationToken cancelToken = default(CancellationToken))
{
// tally transactions
object finalTally = null;
var txTallier = new TransformBlock <ValidatableTx, ValidatableTx>(
validatableTx =>
{
var runningTally = finalTally;
rules.TallyTransaction(newChain, validatableTx, ref runningTally);
finalTally = runningTally;
return(validatableTx);
});
validatableTxes.LinkTo(txTallier, new DataflowLinkOptions {
PropagateCompletion = true
});
// validate transactions
var txValidator = InitTxValidator(rules, newChain, cancelToken);
// begin feeding the tx validator
txTallier.LinkTo(txValidator, new DataflowLinkOptions {
PropagateCompletion = true
});
// validate scripts
var scriptValidator = InitScriptValidator(rules, newChain, cancelToken);
// begin feeding the script validator
txValidator.LinkTo(scriptValidator, new DataflowLinkOptions {
PropagateCompletion = true
});
//TODO
await PipelineCompletion.Create(
new Task[] { },
new IDataflowBlock[] { validatableTxes, txTallier, txValidator, scriptValidator });
// validate overall block
rules.PostValidateBlock(newChain, finalTally);
}
public ChainStateWorker(WorkerConfig workerConfig, TargetChainWorker targetChainWorker, ChainStateBuilder chainStateBuilder, ICoreRules rules, CoreStorage coreStorage)
: base("ChainStateWorker", workerConfig.initialNotify, workerConfig.minIdleTime, workerConfig.maxIdleTime)
{
this.rules = rules;
this.coreStorage = coreStorage;
this.blockProcessingDurationMeasure = new DurationMeasure(sampleCutoff: TimeSpan.FromMinutes(5));
this.blockMissCountMeasure = new CountMeasure(TimeSpan.FromSeconds(30));
this.targetChainWorker = targetChainWorker;
this.chainStateBuilder = chainStateBuilder;
this.currentChain = new Lazy <Chain>(() => this.chainStateBuilder.Chain);
this.coreStorage.BlockInvalidated += HandleChanged;
this.coreStorage.BlockTxesAdded += HandleChanged;
this.coreStorage.BlockTxesRemoved += HandleChanged;
this.coreStorage.ChainedHeaderAdded += HandleChanged;
this.coreStorage.ChainedHeaderRemoved += HandleChanged;
this.targetChainWorker.OnTargetChainChanged += HandleChanged;
}
public ChainStateWorker(WorkerConfig workerConfig, TargetChainWorker targetChainWorker, ChainStateBuilder chainStateBuilder, ICoreRules rules, CoreStorage coreStorage)
: base("ChainStateWorker", workerConfig.initialNotify, workerConfig.minIdleTime, workerConfig.maxIdleTime)
{
this.rules = rules;
this.coreStorage = coreStorage;
this.blockProcessingDurationMeasure = new DurationMeasure(sampleCutoff: TimeSpan.FromMinutes(5));
this.blockMissCountMeasure = new CountMeasure(TimeSpan.FromSeconds(30));
this.targetChainWorker = targetChainWorker;
this.chainStateBuilder = chainStateBuilder;
this.currentChain = new Lazy<Chain>(() => this.chainStateBuilder.Chain);
this.coreStorage.BlockInvalidated += HandleChanged;
this.coreStorage.BlockTxesAdded += HandleChanged;
this.coreStorage.BlockTxesRemoved += HandleChanged;
this.coreStorage.ChainedHeaderAdded += HandleChanged;
this.coreStorage.ChainedHeaderRemoved += HandleChanged;
this.targetChainWorker.OnTargetChainChanged += HandleChanged;
}
private static TransformManyBlock<ValidatableTx, Tuple<ValidatableTx, int>> InitTxValidator(ICoreRules rules, Chain newChain, CancellationToken cancelToken)
{
return new TransformManyBlock<ValidatableTx, Tuple<ValidatableTx, int>>(
validatableTx =>
{
rules.ValidateTransaction(newChain, validatableTx);
if (!rules.IgnoreScripts && !validatableTx.IsCoinbase)
{
var tx = validatableTx.Transaction;
var scripts = new Tuple<ValidatableTx, int>[tx.Inputs.Length];
for (var i = 0; i < tx.Inputs.Length; i++)
scripts[i] = Tuple.Create(validatableTx, i);
return scripts;
}
else
return new Tuple<ValidatableTx, int>[0];
},
new ExecutionDataflowBlockOptions { CancellationToken = cancelToken, MaxDegreeOfParallelism = Environment.ProcessorCount });
}
private static TransformManyBlock <ValidatableTx, Tuple <ValidatableTx, int> > InitTxValidator(ICoreRules rules, Chain newChain, CancellationToken cancelToken)
{
return(new TransformManyBlock <ValidatableTx, Tuple <ValidatableTx, int> >(
validatableTx =>
{
rules.ValidateTransaction(newChain, validatableTx);
if (!rules.IgnoreScripts && !validatableTx.IsCoinbase)
{
var tx = validatableTx.Transaction;
var scripts = new Tuple <ValidatableTx, int> [tx.Inputs.Length];
for (var i = 0; i < tx.Inputs.Length; i++)
{
scripts[i] = Tuple.Create(validatableTx, i);
}
return scripts;
}
else
{
return new Tuple <ValidatableTx, int> [0];
}
},
new ExecutionDataflowBlockOptions {
CancellationToken = cancelToken, MaxDegreeOfParallelism = Environment.ProcessorCount
}));
}