private void Check(PeerConnection peer, FetchInventoryDataMessage message)
{
MessageTypes.MsgType type = message.InventoryMessageType;
if (type == MessageTypes.MsgType.TX)
{
foreach (SHA256Hash hash in message.GetHashList())
{
if (peer.GetInventorySpread(new Item(hash, InventoryType.Trx)) == null)
{
throw new P2pException(P2pException.ErrorType.BAD_MESSAGE, "not spread inventory : " + hash);
}
}
int fetch_count = peer.NodeStatistics.MessageStatistics.MineralInTrxFetchInvDataElement.GetCount(10);
int max_count = Manager.Instance.AdvanceService.TxCount.GetCount(60);
if (fetch_count > max_count)
{
throw new P2pException(
P2pException.ErrorType.BAD_MESSAGE, "maxCount: " + max_count + ", fetchCount: " + fetch_count);
}
}
else
{
bool is_advance = true;
foreach (SHA256Hash hash in message.GetHashList())
{
if (peer.GetInventorySpread(new Item(hash, InventoryType.Block)) == null)
{
is_advance = false;
break;
}
}
if (is_advance)
{
MessageCount out_advance_block = peer.NodeStatistics.MessageStatistics.MineralOutAdvBlock;
out_advance_block.Add(message.GetHashList().Count);
int out_block_count_1min = out_advance_block.GetCount(60);
int produced_block_2min = 120000 / Parameter.ChainParameters.BLOCK_PRODUCED_INTERVAL;
if (out_block_count_1min > produced_block_2min)
{
throw new P2pException(
P2pException.ErrorType.BAD_MESSAGE,
"producedBlockIn2min: " + produced_block_2min + ", outBlockCountIn1min: " + out_block_count_1min);
}
}
else
{
if (!peer.IsNeedSyncUs)
{
throw new P2pException(
P2pException.ErrorType.BAD_MESSAGE, "no need sync");
}
foreach (SHA256Hash hash in message.GetHashList())
{
long block_num = new BlockId(hash).Num;
long min_block_num = peer.LastSyncBlockId.Num - 2 * Parameter.NodeParameters.SYNC_FETCH_BATCH_NUM;
if (block_num < min_block_num)
{
throw new P2pException(
P2pException.ErrorType.BAD_MESSAGE, "minBlockNum: " + min_block_num + ", blockNum: " + block_num);
}
if (peer.GetSyncBlockId(hash) != null)
{
throw new P2pException(
P2pException.ErrorType.BAD_MESSAGE, new BlockId(hash).GetString() + " is exist");
}
peer.AddSyncBlockId(hash, Helper.CurrentTimeMillis());
}
}
}
}