public void Save(MySqlConnection conn, JObject jObject)
{
Dictionary <string, string> selectWhere = new Dictionary <string, string>();
selectWhere.Add("addr", SpiderHelper.getString(jObject["address"].ToString()));
DataTable dt = MysqlConn.ExecuteDataSet(DataTableName, selectWhere).Tables[0];
if (dt.Rows.Count != 0)
{
Dictionary <string, string> dirs = new Dictionary <string, string>();
dirs.Add("lasttxid", jObject["txid"].ToString());
dirs.Add("txcount", (int.Parse(dt.Rows[0]["txcount"].ToString()) + 1) + "");
Dictionary <string, string> where = new Dictionary <string, string>();
where.Add("addr", dt.Rows[0]["addr"].ToString());
MysqlConn.Update(conn, DataTableName, dirs, where);
}
else
{
List <string> slist = new List <string>();
slist.Add(SpiderHelper.getString(jObject["address"].ToString()));
slist.Add(jObject["txid"].ToString());
slist.Add(jObject["txid"].ToString());
slist.Add("1");
MysqlConn.ExecuteDataInsert(conn, DataTableName, slist);
}
}
public void Save(MySqlConnection conn, string addr, string asset, string script)
{
Dictionary <string, string> selectWhere = new Dictionary <string, string>();
selectWhere.Add("addr", addr);
selectWhere.Add("asset", asset);
DataTable dt = MysqlConn.ExecuteDataSet(DataTableName, selectWhere).Tables[0];
if (dt.Rows.Count == 0)
{
string type = "";
if (script.EndsWith(SpiderHelper.ZoroNativeNep5Call))
{
type = "NativeNep5";
}
else
{
type = "Nep5";
}
List <string> slist = new List <string>();
slist.Add(addr);
slist.Add(asset);
slist.Add(type);
MysqlConn.ExecuteDataInsert(conn, DataTableName, slist);
}
}
public void Save(MySqlConnection conn, string script, uint blockHeight, string txid)
{
if (script == null)
{
return;
}
Dictionary <string, string> selectWhere = new Dictionary <string, string>();
selectWhere.Add("txid", txid);
DataTable dt = MysqlConn.ExecuteDataSet(DataTableName, selectWhere).Tables[0];
if (dt.Rows.Count != 0)
{
Dictionary <string, string> where = new Dictionary <string, string>();
where.Add("txid", txid);
MysqlConn.Delete(conn, DataTableName, where);
}
scriptMethods.Clear();
cutString(script);
for (int i = 0; i < scriptMethods.Count; i++)
{
List <string> slist = new List <string>();
slist.Add(txid);
slist.Add(scriptMethods[i].calltype);
slist.Add(scriptMethods[i].method);
slist.Add(scriptMethods[i].contract);
slist.Add(blockHeight.ToString());
MysqlConn.ExecuteDataInsert(conn, DataTableName, slist);
}
}
public void Save(MySqlConnection conn, JObject jObject, uint height)
{
List <string> slist = new List <string>();
slist.Add(SpiderHelper.getString(jObject["hash"].ToString()));
slist.Add(SpiderHelper.getString(jObject["size"].ToString()));
slist.Add(SpiderHelper.getString(jObject["version"].ToString()));
slist.Add(SpiderHelper.getString(jObject["time"].ToString()));
slist.Add(SpiderHelper.getString(jObject["index"].ToString()));
slist.Add(SpiderHelper.getString(jObject["script"].ToString()));
slist.Add((jObject["tx"] as JArray).Count.ToString());
if (ChainSpider.checkHeight == int.Parse(SpiderHelper.getString(jObject["index"].ToString())))
{
Dictionary <string, string> where = new Dictionary <string, string>();
where.Add("indexx", SpiderHelper.getString(jObject["index"].ToString()));
MysqlConn.Delete(conn, DataTableName, where);
}
MysqlConn.ExecuteDataInsert(conn, DataTableName, slist);
uint blockTime = uint.Parse(SpiderHelper.getString(jObject["time"].ToString()));
int numTx = 0;
foreach (var tx in (jObject["tx"] as JArray))
{
trans.Save(conn, tx, height, blockTime);
numTx++;
}
LogConfig.Log($"BlockSaved {ChainHash} height:{height} tx:{numTx}", LogConfig.LogLevel.Warning, ChainHash.ToString());
}
public void Save(MySqlConnection conn, JObject jToken)
{
List <string> slist = new List <string>();
slist.Add(SpiderHelper.getString(jToken["blockindex"].ToString()));
slist.Add(SpiderHelper.getString(jToken["txid"].ToString()));
slist.Add(SpiderHelper.getString(jToken["n"].ToString()));
slist.Add(SpiderHelper.getString(jToken["asset"].ToString()));
slist.Add(SpiderHelper.getString(jToken["from"].ToString()));
slist.Add(SpiderHelper.getString(jToken["to"].ToString()));
slist.Add(SpiderHelper.getString(jToken["value"].ToString()));
if (ChainSpider.checkHeight == int.Parse(jToken["blockindex"].ToString()))
{
Dictionary <string, string> where = new Dictionary <string, string>();
where.Add("txid", SpiderHelper.getString(jToken["txid"].ToString()));
where.Add("blockindex", SpiderHelper.getString(jToken["blockindex"].ToString()));
MysqlConn.Delete(conn, DataTableName, where);
}
{
MysqlConn.ExecuteDataInsert(conn, DataTableName, slist);
}
LogConfig.Log($"SaveNEP5Transfer {ChainHash} {jToken["blockindex"]} {jToken["txid"]}", LogConfig.LogLevel.Info, ChainHash.ToString());
}
public void getNativeNEP5Asset(MySqlConnection conn, UInt160 Contract)
{
try
{
ScriptBuilder sb = new ScriptBuilder();
sb.EmitSysCall("Zoro.NativeNEP5.Call", "TotalSupply", Contract);
sb.EmitSysCall("Zoro.NativeNEP5.Call", "Name", Contract);
sb.EmitSysCall("Zoro.NativeNEP5.Call", "Symbol", Contract);
sb.EmitSysCall("Zoro.NativeNEP5.Call", "Decimals", Contract);
IO.Json.JObject jObject;
Blockchain blockchain = ZoroChainSystem.Singleton.GetBlockchain(ChainHash);;
ApplicationEngine engine = ApplicationEngine.Run(sb.ToArray(), blockchain, testMode: true);
if (engine.State.HasFlag(VMState.FAULT))
{
return;
}
JArray jStack = new JArray(engine.ResultStack.Select(p => p.ToParameter().ToJson()));
string totalSupply = jStack[0]["type"].AsString() == "ByteArray" ? new BigInteger(SpiderHelper.HexString2Bytes(jStack[0]["value"].AsString())).ToString() : jStack[0]["value"].AsString();
string name = jStack[1]["type"].AsString() == "ByteArray" ? Encoding.UTF8.GetString(SpiderHelper.HexString2Bytes(jStack[1]["value"].AsString())) : jStack[1]["value"].AsString();
string symbol = jStack[2]["type"].AsString() == "ByteArray" ? Encoding.UTF8.GetString(SpiderHelper.HexString2Bytes(jStack[2]["value"].AsString())) : jStack[2]["value"].AsString();
string decimals = jStack[3]["type"].AsString() == "ByteArray" ? BigInteger.Parse(jStack[3]["value"].AsString()).ToString() : jStack[3]["value"].AsString();
//BCT没有限制，可以随意增发
if (symbol == "BCT")
{
totalSupply = "0";
}
List <string> slist = new List <string>();
slist.Add(Contract.ToString());
slist.Add(totalSupply);
slist.Add(name);
slist.Add(symbol);
slist.Add(decimals);
//这里有个bug，我们的bcp会因为转账而增长
{
MysqlConn.ExecuteDataInsert(conn, DataTableName, slist);
}
LogConfig.Log($"SaveNEP5Asset {ChainHash} {Contract}", LogConfig.LogLevel.Info, ChainHash.ToString());
}
catch (Exception e)
{
LogConfig.Log($"error occured when call invokescript, chainhash:{ChainHash}, nep5contract:{Contract.ToString()}, reason:{e.Message}", LogConfig.LogLevel.Error);
throw e;
}
}
public void Save(MySqlConnection conn, JObject jObject, uint blockHeight)
{
if (null == jObject["vout"])
{
return;
}
foreach (JObject vout in jObject["vout"] as JArray)
{
JObject result = new JObject();
result["addr"] = vout["address"];
result["txid"] = jObject["txid"];
result["n"] = vout["n"];
result["asset"] = vout["asset"];
result["value"] = vout["value"];
result["createHeight"] = blockHeight;
result["used"] = 0;
result["useHeight"] = 0;
result["claimed"] = "";
List <string> slist = new List <string>();
slist.Add(SpiderHelper.getString(result["addr"].ToString()));
slist.Add(SpiderHelper.getString(result["txid"].ToString()));
slist.Add(SpiderHelper.getString(result["n"].ToString()));
slist.Add(SpiderHelper.getString(result["asset"].ToString()));
slist.Add(SpiderHelper.getString(result["value"].ToString()));
slist.Add(SpiderHelper.getString(result["createHeight"].ToString()));
slist.Add(SpiderHelper.getString(result["used"].ToString()));
slist.Add(SpiderHelper.getString(result["useHeight"].ToString()));
slist.Add(SpiderHelper.getString(result["claimed"].ToString()));
//Dictionary<string, string> dictionary = new Dictionary<string, string>();
//dictionary.Add("txid", result["txid"].ToString());
//dictionary.Add("createHeight", blockHeight.ToString());
//bool exist = MysqlConn.CheckExist(DataTableName, dictionary);
//if (!exist)
if (ChainSpider.checkHeight == int.Parse(SpiderHelper.getString(result["createHeight"].ToString())))
{
Dictionary <string, string> where = new Dictionary <string, string>();
where.Add("addr", SpiderHelper.getString(result["addr"].ToString()));
where.Add("createHeight", SpiderHelper.getString(result["createHeight"].ToString()));
MysqlConn.Delete(conn, DataTableName, where);
}
{
MysqlConn.ExecuteDataInsert(conn, DataTableName, slist);
}
//var utxoPath = "utxo" + Path.DirectorySeparatorChar + result["txid"] + "_" + result["n"] + "_" + result["addr"] + ".txt";
//File.Delete(utxoPath);
//File.WriteAllText(utxoPath, result.ToString(), Encoding.UTF8);
}
foreach (JObject vin in jObject["vin"] as JArray)
{
ChangeUTXO(conn, SpiderHelper.getString(vin["txid"].ToString()), SpiderHelper.getString(vin["vout"].ToString()), blockHeight);
}
}
public void Save(MySqlConnection conn, JObject jToken)
{
string contract = SpiderHelper.getString(jToken["assetid"].ToString());
Dictionary <string, string> where = new Dictionary <string, string>();
where.Add("assetid", contract);
bool exist = MysqlConn.CheckExist(DataTableName, where);
if (!exist)
{
Start(conn, contract);
}
}
public void getNEP5Asset(MySqlConnection conn, UInt160 Contract)
{
try
{
ScriptBuilder sb = new ScriptBuilder();
sb.EmitAppCall(Contract, "totalSupply");
sb.EmitAppCall(Contract, "name");
sb.EmitAppCall(Contract, "symbol");
sb.EmitAppCall(Contract, "decimals");
Blockchain blockchain = ZoroChainSystem.Singleton.GetBlockchain(ChainHash);;
ApplicationEngine engine = ApplicationEngine.Run(sb.ToArray(), blockchain, testMode: true);
if (engine.State.HasFlag(VMState.FAULT))
{
return;
}
JArray jStack = new JArray(engine.ResultStack.Select(p => p.ToParameter().ToJson()));
string totalSupply = new BigInteger(SpiderHelper.HexString2Bytes(jStack[0]["value"].ToString())).ToString();
string name = Encoding.UTF8.GetString(SpiderHelper.HexString2Bytes(jStack[1]["value"].ToString()));
string symbol = Encoding.UTF8.GetString(SpiderHelper.HexString2Bytes(jStack[2]["value"].ToString()));
string decimals = BigInteger.Parse(jStack[3]["value"].ToString()).ToString();
List <string> slist = new List <string>();
slist.Add(Contract.ToString());
slist.Add(totalSupply);
slist.Add(name);
slist.Add(symbol);
slist.Add(decimals);
//Dictionary<string, string> dictionary = new Dictionary<string, string>();
//dictionary.Add("assetid", Contract.ToString());
//bool exist = MysqlConn.CheckExist(DataTableName, dictionary);
//if (!exist)
//这里有个bug，我们的bcp会因为转账而增长
{
MysqlConn.ExecuteDataInsert(conn, DataTableName, slist);
}
LogConfig.Log($"SaveNEP5Asset {ChainHash} {Contract}", LogConfig.LogLevel.Info, ChainHash.ToString());
}
catch (Exception e)
{
LogConfig.Log($"error occured when call invokescript, chainhash:{ChainHash}, nep5contract:{Contract.ToString()}, reason:{e.Message}", LogConfig.LogLevel.Error);
throw e;
}
}
public void Save(MySqlConnection conn, JObject jObject)
{
List <string> slist = new List <string>();
slist.Add(SpiderHelper.getString(jObject["address"].ToString()));
slist.Add(SpiderHelper.getString(jObject["txid"].ToString()));
Dictionary <string, string> where = new Dictionary <string, string>();
where.Add("addr", SpiderHelper.getString(jObject["address"].ToString()));
where.Add("txid", SpiderHelper.getString(jObject["txid"].ToString()));
MysqlConn.Delete(conn, DataTableName, where);
MysqlConn.ExecuteDataInsert(conn, DataTableName, slist);
}
public void ChangeUTXO(MySqlConnection conn, string txid, string voutNum, uint blockHeight)
{
Dictionary <string, string> dirs = new Dictionary <string, string>();
dirs.Add("used", "1");
dirs.Add("useHeight", blockHeight.ToString());
Dictionary <string, string> where = new Dictionary <string, string>();
where.Add("txid", txid);
where.Add("n", voutNum);
MysqlConn.Update(conn, DataTableName, dirs, where);
//JObject result = JObject.Parse(File.ReadAllText(path, Encoding.UTF8));
//result["used"] = 1;
//result["useHeight"] = Helper.blockHeight;
//File.WriteAllText(path, result.ToString(), Encoding.UTF8);
}
public uint getHeight(string chainHash)
{
var dir = new Dictionary <string, string>();
dir.Add("chainhash", chainHash);
DataTable dt = MysqlConn.ExecuteDataSet(DataTableName, dir).Tables[0];
if (dt.Rows.Count == 0)
{
return(0);
}
else
{
return(uint.Parse(dt.Rows[0]["chainheight"].ToString()));
}
}
public void Save(MySqlConnection conn, JObject jObject)
{
//JObject hashstateresult = new JObject();
//hashstateresult["result"] = jObject["result"];
List <string> slist = new List <string>();
slist.Add(SpiderHelper.getString(jObject["version"].ToString()));
slist.Add(SpiderHelper.getString(jObject["hash"].ToString()));
slist.Add(SpiderHelper.getString(jObject["name"].ToString()));
slist.Add(SpiderHelper.getString(jObject["owner"].ToString()));
slist.Add(SpiderHelper.getString(jObject["timestamp"].ToString()));
slist.Add(SpiderHelper.getString(jObject["seedlist"].ToString()));
slist.Add(SpiderHelper.getString(jObject["validators"].ToString()));
MysqlConn.SaveAndUpdataAppChainState(conn, DataTableName, slist);
LogConfig.Log($"SaveAppChain {jObject["hash"]} {jObject["name"]}", LogConfig.LogLevel.Info);
}
public void Save(MySqlConnection conn, string chainHash, string height)
{
var dir = new Dictionary <string, string>();
dir.Add("chainhash", chainHash);
DataTable dt = MysqlConn.ExecuteDataSet(DataTableName, dir).Tables[0];
if (dt.Rows.Count == 0)
{
var list = new List <string>();
list.Add(chainHash);
list.Add(height);
MysqlConn.ExecuteDataInsert(conn, DataTableName, list);
}
else
{
var set = new Dictionary <string, string>();
set.Add("chainheight", height);
MysqlConn.Update(conn, DataTableName, set, dir);
}
}
public void Save(MySqlConnection conn, JObject jObject, uint blockHeight, uint blockTime)
{
List <string> slist = new List <string>();
slist.Add(SpiderHelper.getString(jObject["txid"].ToString()));
slist.Add(SpiderHelper.getString(jObject["size"].ToString()));
slist.Add(SpiderHelper.getString(jObject["type"].ToString()));
slist.Add(SpiderHelper.getString(jObject["version"].ToString()));
slist.Add(SpiderHelper.getString(jObject["attributes"].ToString()));
slist.Add(SpiderHelper.getString(jObject["sys_fee"].ToString()));
slist.Add(SpiderHelper.getString(jObject["blockindex"].ToString()));
slist.Add(SpiderHelper.getString(jObject["gas_limit"] == null?"": jObject["gas_limit"].ToString()));
slist.Add(SpiderHelper.getString(jObject["gas_price"] == null ? "" : jObject["gas_price"].ToString()));
slist.Add(UInt160.Parse(StringRemoveZoro(SpiderHelper.getString(jObject["account"].ToString())).HexToBytes().Reverse().ToHexString()).ToAddress());
if (jObject["script"] != null)
{
txScriptMethod.Save(conn, SpiderHelper.getString(jObject["script"].ToString()), blockHeight, SpiderHelper.getString(jObject["txid"].ToString()));
}
if (ChainSpider.checkHeight == int.Parse(blockHeight.ToString()))
{
Dictionary <string, string> where = new Dictionary <string, string>();
where.Add("txid", SpiderHelper.getString(jObject["txid"].ToString()));
where.Add("blockindex", blockHeight.ToString());
MysqlConn.Delete(conn, DataTableName, where);
}
{
MysqlConn.ExecuteDataInsert(conn, DataTableName, slist);
}
LogConfig.Log($"SaveTransaction {ChainHash} {blockHeight}", LogConfig.LogLevel.Info, ChainHash.ToString());
utxo.Save(conn, jObject, blockHeight);
//if (SpiderHelper.getString(jObject["type"].ToString()) == "InvocationTransaction")
//{
// notify.Save(conn, jObject, blockHeight, blockTime, SpiderHelper.getString(jObject["script"].ToString()));
//}
}
public void Save(MySqlConnection conn, JObject jObject, string path)
{
JObject result = new JObject();
result["version"] = jObject["version"];
result["id"] = jObject["txid"];
result["type"] = jObject["asset"]["type"];
result["name"] = jObject["asset"]["name"];
result["amount"] = jObject["asset"]["amount"];
result["available"] = 1;
result["precision"] = jObject["asset"]["precision"];
result["owner"] = jObject["asset"]["owner"];
result["admin"] = jObject["asset"]["admin"];
result["issuer"] = 1;
result["expiration"] = 0;
result["frozen"] = 0;
List <string> slist = new List <string>();
slist.Add(SpiderHelper.getString(result["version"].ToString()));
slist.Add(SpiderHelper.getString(result["id"].ToString()));
slist.Add(SpiderHelper.getString(result["type"].ToString()));
slist.Add(SpiderHelper.getString(result["name"].ToString()));
slist.Add(SpiderHelper.getString(result["amount"].ToString()));
slist.Add(SpiderHelper.getString(result["available"].ToString()));
slist.Add(SpiderHelper.getString(result["precision"].ToString()));
slist.Add(SpiderHelper.getString(result["owner"].ToString()));
slist.Add(SpiderHelper.getString(result["admin"].ToString()));
slist.Add(SpiderHelper.getString(result["issuer"].ToString()));
slist.Add(SpiderHelper.getString(result["expiration"].ToString()));
slist.Add(SpiderHelper.getString(result["frozen"].ToString()));
{
MysqlConn.ExecuteDataInsert(conn, DataTableName, slist);
}
LogConfig.Log($"SaveAsset {ChainHash} {result["name"]}", LogConfig.LogLevel.Info, ChainHash.ToString());
}
public override bool CreateTable(string name)
{
MysqlConn.CreateTable(TableType.Hash_List, name);
return(true);
}
public override bool CreateTable(string name)
{
MysqlConn.CreateTable(TableType.Chainlistheight, name);
return(true);
}
public bool IsTableExisted(string name)
{
return(MysqlConn.Exist(name));
}
public override bool CreateTable(string name)
{
MysqlConn.CreateTable(TableType.Address_tx, name);
return(true);
}
public override bool CreateTable(string name)
{
MysqlConn.CreateTable(TableType.Transaction, name);
return(true);
}
public override bool CreateTable(string name)
{
MysqlConn.CreateTable(TableType.Tx_Script_Method, name);
return(true);
}
public override bool CreateTable(string name)
{
MysqlConn.CreateTable(TableType.Appchainstate, name);
return(true);
}
public override bool CreateTable(string name)
{
MysqlConn.CreateTable(TableType.NEP5Asset, name);
return(true);
}
public void Save(MySqlConnection conn, JObject jObject)
{
MysqlConn.SaveAndUpdataHashList(conn, DataTableName, SpiderHelper.getString(jObject["hashlist"].ToString()));
}
public void Save(MySqlConnection conn, JObject jToken)
{
JObject executions = null;
try
{
if (jToken != null)
{
executions = jToken["executions"];
}
}
catch (Exception e)
{
}
//try
//{
// if (!TryGetDB(ChainHash, out DB db)) return;
// if (db.IsDisposed) return;
// UInt256 hash = UInt256.Parse(SpiderHelper.getString(jToken["txid"].ToString()));
// if (!db.TryGet(ReadOptions.Default, hash.ToArray(), out Slice value))
// throw new RpcException(-100, "Unknown transaction");
// result = JObject.Parse(value.ToString());
// if (result != null)
// executions = result["executions"];
//}
//catch (Exception e)
//{
// LogConfig.Log($"error occured when call getapplicationlog, chain:{ChainHash} height:{blockHeight}, reason:{e.Message}", LogConfig.LogLevel.Error);
// //throw e;
//}
if (jToken != null && executions != null)
{
foreach (var execution in executions as JArray)
{
List <string> slist = new List <string>();
slist.Add(SpiderHelper.getString(jToken["txid"].ToString()));
slist.Add(SpiderHelper.getString(execution["vmstate"].ToString()));
slist.Add(SpiderHelper.getString(execution["gas_consumed"].ToString()));
slist.Add(SpiderHelper.getString(execution["stack"].ToString()));
slist.Add(SpiderHelper.getString(execution["notifications"].ToString().Replace(@"[/n/r]", "")));
Dictionary <string, string> where = new Dictionary <string, string>();
where.Add("txid", SpiderHelper.getString(jToken["txid"].ToString()));
MysqlConn.Delete(conn, DataTableName, where);
MysqlConn.ExecuteDataInsert(conn, DataTableName, slist);
LogConfig.Log($"SaveNotify {ChainHash} {jToken["txid"]}", LogConfig.LogLevel.Info, ChainHash.ToString());
if (execution["vmstate"].ToString().Contains("FAULT"))
{
return;
}
JObject notifications = execution["notifications"];
foreach (JObject notify in notifications as JArray)
{
JArray values = notify["state"]["value"] as JArray;
if (values[0]["type"].ToString() == "ByteArray")
{
string transfer = Encoding.UTF8.GetString(SpiderHelper.HexString2Bytes(SpiderHelper.getString(values[0]["value"].ToString())));
string contract = SpiderHelper.getString(notify["contract"].ToString());
if (transfer == "transfer")
{
JObject nep5 = new JObject();
nep5["assetid"] = contract;
nep5Asset.Save(conn, nep5);
//存储Nep5Transfer内容
JObject tx = new JObject();
tx["txid"] = SpiderHelper.getString(jToken["txid"].ToString());
tx["n"] = 0;
tx["asset"] = contract;
if (SpiderHelper.getString(values[1]["value"].ToString()) == "")
{
tx["from"] = "";
}
else
{
tx["from"] = UInt160.Parse(SpiderHelper.getString(values[1]["value"].ToString())).ToAddress();
}
tx["to"] = UInt160.Parse(SpiderHelper.getString(values[2]["value"].ToString())).ToAddress();
if (SpiderHelper.getString(values[3]["type"].ToString()) == "ByteArray")
{
tx["value"] = new BigInteger(SpiderHelper.HexString2Bytes(SpiderHelper.getString(values[3]["value"].ToString()))).ToString();
}
else
{
tx["value"] = BigInteger.Parse(SpiderHelper.getString(values[3]["value"].ToString()), NumberStyles.AllowHexSpecifier).ToString();
}
JObject j = new JObject();
j["address"] = SpiderHelper.getString(tx["to"].ToString());
j["txid"] = SpiderHelper.getString(tx["txid"].ToString());
address.Save(conn, j);
addressAsset.Save(conn, SpiderHelper.getString(tx["to"].ToString()), contract, "");
address_tx.Save(conn, j);
nep5Transfer.Save(conn, tx);
}
}
}
}
}
}
