/// <summary>
/// Relays a transaction to the connected nodes.
/// </summary>
/// <param name="hash">Hash of the transaction.</param>
public Task RelayTransaction(uint256 hash)
{
this.logger.LogTrace("({0}:'{1}')", nameof(hash), hash);
IReadOnlyNodesCollection nodes = this.connectionManager.ConnectedNodes;
if (!nodes.Any())
{
this.logger.LogTrace("(-)[NO_NODES]");
return(Task.CompletedTask);
}
// find all behaviours then start an exclusive task
// to add the hash to each local collection
IEnumerable <MempoolBehavior> behaviours = nodes.Select(s => s.Behavior <MempoolBehavior>());
this.logger.LogTrace("(-)");
return(this.manager.MempoolLock.WriteAsync(() =>
{
foreach (MempoolBehavior mempoolBehavior in behaviours)
{
if (mempoolBehavior?.AttachedNode.PeerVersion.Relay ?? false)
{
if (!mempoolBehavior.filterInventoryKnown.ContainsKey(hash))
{
mempoolBehavior.inventoryTxToSend.TryAdd(hash, hash);
}
}
}
}));
}
protected BlockPuller(ConcurrentChain chain, IReadOnlyNodesCollection nodes, ProtocolVersion protocolVersion)
{
this.Chain = chain;
this.Nodes = nodes;
this.DownloadedBlocks = new ConcurrentDictionary <uint256, DownloadedBlock>();
this.pendingInventoryVectors = new ConcurrentBag <uint256>();
this.map = new ConcurrentDictionary <uint256, BlockPullerBehavior>();
// set the default requirements
this.requirements = new NodeRequirement
{
MinVersion = protocolVersion,
RequiredServices = NodeServices.Network
};
}
/// <summary>
/// Initializes a new instance of the object having a chain of block headers and a list of available nodes.
/// </summary>
/// <param name="chain">Chain of block headers.</param>
/// <param name="nodes">Network peers of the node.</param>
/// <param name="protocolVersion">Version of the protocol that the node supports.</param>
/// <param name="loggerFactory">Factory to be used to create logger for the puller.</param>
protected BlockPuller(ConcurrentChain chain, IReadOnlyNodesCollection nodes, ProtocolVersion protocolVersion, ILoggerFactory loggerFactory)
{
this.Chain = chain;
this.Nodes = nodes;
this.logger = loggerFactory.CreateLogger(this.GetType().FullName);
this.downloadedBlocks = new Dictionary <uint256, DownloadedBlock>();
this.pendingInventoryVectors = new Queue <uint256>();
this.assignedBlockTasks = new Dictionary <uint256, BlockPullerBehavior>();
this.peerQuality = new QualityScore(QualityScoreHistoryLength, loggerFactory);
// Set the default requirements.
this.requirements = new NodeRequirement
{
MinVersion = protocolVersion,
RequiredServices = NodeServices.Network
};
}