private void OnInventoryVectors(Peer peer, ImmutableArray <InventoryVector> invVectors)
{
var connectedPeersLocal = this.ConnectedPeers.SafeToList();
if (connectedPeersLocal.Count == 0)
{
return;
}
if (this.Type != ChainType.Regtest)
{
var responseInvVectors = ImmutableArray.CreateBuilder <InventoryVector>();
using (var chainState = coreDaemon.GetChainState())
using (var unconfirmedTxes = coreDaemon.GetUnconfirmedTxes())
{
foreach (var invVector in invVectors)
{
// check if this is a transaction we don't have yet
if (invVector.Type == InventoryVector.TYPE_MESSAGE_TRANSACTION &&
!unconfirmedTxes.ContainsTransaction(invVector.Hash) &&
!chainState.ContainsUnspentTx(invVector.Hash))
{
//logger.Info($"Requesting transaction {invVector.Hash}");
responseInvVectors.Add(invVector);
}
// check if this is a block we don't have yet
else if (invVector.Type == InventoryVector.TYPE_MESSAGE_TRANSACTION &&
!coreStorage.ContainsChainedHeader(invVector.Hash))
{
// ask for headers on a new block
headersRequestWorker.SendGetHeaders(peer);
}
}
}
// request missing transactions
if (responseInvVectors.Count > 0)
{
peer.Sender.SendGetData(responseInvVectors.ToImmutable()).Wait();
}
}
else
{
// don't process new inv request until previous inv request has finished
while (this.requestedComparisonBlocks.Count > 0 && comparisonBlockAddedEvent.WaitOne(1000))
{
}
this.coreDaemon.ForceUpdateAndWait();
var responseInvVectors = ImmutableArray.CreateBuilder <InventoryVector>();
foreach (var invVector in invVectors)
{
if (invVector.Type == InventoryVector.TYPE_MESSAGE_BLOCK &&
!requestedComparisonBlocks.Contains(invVector.Hash) &&
!comparisonUnchainedBlocks.ContainsKey(invVector.Hash) &&
!this.coreStorage.ContainsBlockTxes(invVector.Hash))
{
logger.Info($"processing block inv: {invVector.Hash}");
responseInvVectors.Add(invVector);
requestedComparisonBlocks.Add(invVector.Hash);
}
else
{
logger.Info($"ignoring block inv: {invVector.Hash}, exists: {coreStorage.ContainsBlockTxes(invVector.Hash)}");
}
}
if (responseInvVectors.Count > 0)
{
connectedPeersLocal.Single().Sender.SendGetData(responseInvVectors.ToImmutable()).Wait();
}
}
}
