private string GetDBfileInfo()
{
try
{
LogHelper.WriteMethodLog(true);
string tempzip = Path.Combine(AppSettings.XXPTempFolder, ConstHelper.BC_DBZipName);
if (File.Exists(tempzip))
{
FileIOHelper.DeleteFile(tempzip);
}
ZipHelper.Zip(AppSettings.XXPDBFolder, tempzip);
FileInfo tempzipInfo = new FileInfo(tempzip);
LeveldbOperator.OpenDB(AppSettings.XXPDBFolder);
string strLastblock = LeveldbOperator.GetValue(ConstHelper.BC_LastKey);
Block block = JsonHelper.Deserialize <Block>(strLastblock);
LeveldbOperator.CloseDB();
DBFileInfo dbinfo = new DBFileInfo(tempzipInfo.Length, block.Header.Height);
return(JsonHelper.Serializer <DBFileInfo>(dbinfo));;
}
catch (Exception ex)
{
LogHelper.WriteErrorLog(ex.Message);
return(string.Empty);
}
finally
{
LogHelper.WriteMethodLog(false);
}
}
public string CreatUTPoolFromDB(string strDBpath)
{
try
{
string strRet = LeveldbOperator.OpenDB(strDBpath);
if (strRet != ConstHelper.BC_OK)
{
return("open db fail");
}
strRet = LeveldbOperator.GetfirstKey();
if (string.IsNullOrEmpty(strRet))
{
return("empty DB");
}
string blockValue = LeveldbOperator.GetValue(strRet);
Block tempBlock = JsonHelper.Deserialize <Block>(blockValue);
this.BlockData2UTXOPool(true, tempBlock);
while (true)
{
strRet = LeveldbOperator.GetNextKey();
if (string.IsNullOrEmpty(strRet))
{
break;
}
blockValue = LeveldbOperator.GetValue(strRet);
tempBlock = JsonHelper.Deserialize <Block>(blockValue);
this.BlockData2UTXOPool(true, tempBlock);
}
if (this.tempUTXOList.Count != 0)
{
foreach (UTXO utxo in this.tempUTXOList)
{
if (this.CommitedUtxoPool.contains(utxo))
{
this.CommitedUtxoPool.removeUTXO(utxo);
}
}
}
return(ConstHelper.BC_OK);
}
catch (Exception ex)
{
LogHelper.WriteErrorLog(ex.Message);
return("exception");
}
finally
{
LeveldbOperator.CloseDB();
}
}
public static string PrintAlldb()
{
try
{
string strRet = LeveldbOperator.OpenDB(AppSettings.XXPDBFolder);
if (strRet != ConstHelper.BC_OK)
{
return("open db fail");
}
strRet = LeveldbOperator.GetfirstKey();
if (string.IsNullOrEmpty(strRet))
{
return("empty DB");
}
string blockValue = LeveldbOperator.GetValue(strRet);
string lastblock = string.Empty;
LogHelper.WriteInfoLog(blockValue);
while (true)
{
strRet = LeveldbOperator.GetNextKey();
if (string.IsNullOrEmpty(strRet))
{
break;
}
else if (strRet == ConstHelper.BC_LastKey)
{
lastblock = LeveldbOperator.GetValue(strRet);
}
else
{
blockValue = LeveldbOperator.GetValue(strRet);
LogHelper.WriteInfoLog(blockValue);
}
}
LogHelper.WriteInfoLog("LashBlock: " + lastblock);
return(ConstHelper.BC_OK);
}
catch (Exception ex)
{
LogHelper.WriteErrorLog(ex.Message);
return("exception");
}
finally
{
LeveldbOperator.CloseDB();
}
}
public Block GetLastBlock()
{
string strRet = LeveldbOperator.OpenDB(AppSettings.XXPDBFolder);
if (strRet == ConstHelper.BC_OK)
{
string strlastBlock = LeveldbOperator.GetValue(ConstHelper.BC_LastKey);
if (!string.IsNullOrEmpty(strlastBlock))
{
this.mLastBlock = JsonHelper.Deserialize <Block>(strlastBlock);
}
}
LeveldbOperator.CloseDB();
return(mLastBlock);
}
public bool CreatBaseCoin(string sBaseCoinScript)
{
Block block = new Block();
// mutex todo 181215
Transaction basecoinTrans = this.CreatCoinBaseTX(sBaseCoinScript);
this.AddTx2hsPool(basecoinTrans);
//this.HashsetPool2list();
block.listTransactions = this.GetlstPoolTx();
this.ClearTxPool();
block.SetTransInfo();
block.SetBlockHeader("0000000000000000000000000000000000000000000000000000000000000000", -1);
block.SetNonce("");
//add by fdp 190114 set hash all 0 temporary for computing block size,
block.Hash = ConstHelper.BC_BaseCoinInputTxHash;
string jsonBlock = JsonHelper.Serializer <Block>(block);
block.SetBlockSize(jsonBlock.Length);
block.SetBlockHash();
string jsonblock = JsonHelper.Serializer <Block>(block);
LogHelper.WriteInfoLog(jsonblock);
string strRet = LeveldbOperator.OpenDB(AppSettings.XXPDBFolder);
strRet = LeveldbOperator.PutKeyValue(block.Hash, jsonblock);
strRet = LeveldbOperator.PutKeyValue(ConstHelper.BC_LastKey, jsonblock);
bool breadOK = false;
string readout = LeveldbOperator.GetValue(block.Hash);
LogHelper.WriteInfoLog(readout);
LeveldbOperator.CloseDB();
if (!string.IsNullOrEmpty(readout))
{
breadOK = true;
}
return(breadOK);
}
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 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");
}
}