private void OnGetBlocksMessageReceived(GetBlocksPayload payload)
{
if (!localNode.ServiceEnabled)
{
return;
}
BlockchainBase Chain = BlockchainBase.GetBlockchain(payload.ChainHash);
if (Chain == null)
{
return;
}
UInt256 hash = payload.HashStart.Select(p => Chain.GetHeader(p)).Where(p => p != null).OrderBy(p => p.Index).Select(p => p.Hash).FirstOrDefault();
if (hash == null || hash == payload.HashStop)
{
return;
}
List <UInt256> hashes = new List <UInt256>();
do
{
hash = Chain.GetNextBlockHash(hash);
if (hash == null)
{
break;
}
hashes.Add(hash);
} while (hash != payload.HashStop && hashes.Count < 500);
if (hashes.Count > 0)
{
EnqueueMessage("inv", InvPayload.Create(InventoryType.Block, hashes.ToArray()));
}
}