public ResponseBlock RequestNewBlockInfo(Block lastBlock)
{
LogHelper.WriteMethodLog(true);
RequestBlock ReqBkInfo = new RequestBlock();
ReqBkInfo.RequestType = BlockRequestType.RequestBlockInfo;
ReqBkInfo.LastBlockHash = lastBlock.Hash;
ReqBkInfo.LastBlockHeight = lastBlock.Header.Height;
string strValue = JsonHelper.Serializer <LastBlockInfo>(ReqBkInfo);
XXPSocketsModel sendMod = new XXPSocketsModel();
sendMod.Type = XXPCoinMsgType.SyncBlocks;
sendMod.Value = strValue;
ResponseBlock ResponseBkInfo = new ResponseBlock();
List <ResponseBlock> lstResponse = new List <ResponseBlock>();
Dictionary <string, int> dicAddPool = new Dictionary <string, int>();
dicAddPool = this.dicAddressesPool;
foreach (var item in dicAddPool)
{
XXPSocketsModel RetMod = this.SocketsHelp.XXPSendMessage(item.Key, sendMod, AppSettings.XXPCommport);
if (RetMod.Type == XXPCoinMsgType.Exception)
{
int lostCount = item.Value;
//this.dicAddressesPool[item.Key] = lostCount++;
return(ResponseBkInfo);
}
else if (!string.IsNullOrEmpty(RetMod.Value))
{
ResponseBlock bkInfo = JsonHelper.Deserialize <ResponseBlock>(RetMod.Value);
bkInfo.IP = RetMod.IpAddress;
lstResponse.Add(bkInfo);
}
}
int OrphanCount = lstResponse.Count(x => x.BlockResult == BlockResultType.OrphanBlock);
if (OrphanCount > lstResponse.Count / 2)
{
ResponseBkInfo.BlockResult = BlockResultType.OrphanBlock;
}
else
{
int iHighest = lstResponse.Max(x => x.LastBlockHeight);
ResponseBkInfo = lstResponse.FirstOrDefault(x => x.LastBlockHeight == iHighest);
}
LogHelper.WriteInfoLog("RequestNewBlockInfo ret: " + ResponseBkInfo.BlockResult);
return(ResponseBkInfo);
}
private string CheckBlock(RequestBlock ReqBkInfo)
{
LogHelper.WriteMethodLog(true);
LeveldbOperator.OpenDB(AppSettings.XXPDBFolder);
string strLastblock = LeveldbOperator.GetValue(ConstHelper.BC_LastKey);
Block block = JsonHelper.Deserialize <Block>(strLastblock);
ResponseBlock RetBkInfo = new ResponseBlock();
RetBkInfo.LastBlockHash = block.Hash;
RetBkInfo.LastBlockHeight = block.Header.Height;
if (ReqBkInfo.LastBlockHeight > block.Header.Height)
{
RetBkInfo.BlockResult = BlockResultType.Higher;
// request new block todo 181213
}
else
{
string strBlock = LeveldbOperator.GetValue(ReqBkInfo.LastBlockHash);
if (string.IsNullOrEmpty(strBlock))
{
RetBkInfo.BlockResult = BlockResultType.OrphanBlock;
}
else
{
if (ReqBkInfo.LastBlockHeight == block.Header.Height)
{
RetBkInfo.BlockResult = BlockResultType.Sameheight;
}
else
{
RetBkInfo.BlockResult = BlockResultType.Lower;
}
}
}
LeveldbOperator.CloseDB();
LogHelper.WriteMethodLog(false);
return(JsonHelper.Serializer <ResponseBlock>(RetBkInfo));
}
public string GetNewBlocks(string ip, Block lastBlock)
{
LogHelper.WriteMethodLog(true);
RequestBlock ReqBkInfo = new RequestBlock();
ReqBkInfo.RequestType = BlockRequestType.GetNewBlocks;
ReqBkInfo.LastBlockHash = lastBlock.Hash;
ReqBkInfo.LastBlockHeight = lastBlock.Header.Height;
XXPSocketsModel sendMod = new XXPSocketsModel();
sendMod.Type = XXPCoinMsgType.SyncBlocks;
sendMod.Value = JsonHelper.Serializer <RequestBlock>(ReqBkInfo);
XXPSocketsModel RetMod = this.SocketsHelp.XXPSendMessage(ip, sendMod, AppSettings.XXPCommport);
LogHelper.WriteInfoLog("GetNewBlocks return: " + RetMod.Value);
return(RetMod.Value);
}
public string StartSendBlocks(RequestBlock ReqBkInfo)
{
try
{
LogHelper.WriteMethodLog(true);
List <Block> lstTobeSendBlocks = new List <Block>();
LeveldbOperator.OpenDB(AppSettings.XXPDBFolder);
string strReqBlock = LeveldbOperator.GetValue(ReqBkInfo.LastBlockHash);
if (!string.IsNullOrEmpty(strReqBlock))
{
string strblock = LeveldbOperator.GetValue(ConstHelper.BC_LastKey);
Block block = JsonHelper.Deserialize <Block>(strblock);
while (block.Hash != ReqBkInfo.LastBlockHash)
{
lstTobeSendBlocks.Add(block);
strblock = LeveldbOperator.GetValue(block.Header.PreHash);
block = JsonHelper.Deserialize <Block>(strblock);
}
}
LeveldbOperator.CloseDB();
Task.Run(() => {
//foreach (var item in tobeSendBlocks)
for (int i = lstTobeSendBlocks.Count; i > 0; i--)
{
string str = SendNewBlock(ReqBkInfo.IP, lstTobeSendBlocks[i - 1]);
LogHelper.WriteInfoLog(str);
}
});
LogHelper.WriteMethodLog(false);
return(ConstHelper.BC_OK);
}
catch (Exception ex)
{
LogHelper.WriteErrorLog(ex.Message);
return("exception");
}
}
private string handleSyncBlocks(XXPSocketsModel socketMod)
{
LogHelper.WriteMethodLog(true);
RequestBlock ReqBkInfo = JsonHelper.Deserialize <RequestBlock>(socketMod.Value);
ReqBkInfo.IP = socketMod.IpAddress;
string strRet = string.Empty;
switch (ReqBkInfo.RequestType)
{
case BlockRequestType.RequestBlockInfo:
strRet = CheckBlock(ReqBkInfo);
break;
case BlockRequestType.GetNewBlocks:
strRet = StartSendBlocks(ReqBkInfo);
break;
default:
break;
}
LogHelper.WriteInfoLog("handleSyncBlocks ret: " + strRet);
return(strRet);
}
