public override void GetStatisticByAmountHttpHandler(amountRequest request, out jsonRes response)
{
Int64 inputAmount = request.amount;
int result = Global.LocalStorage.Tx_Accessor_Selector().Where(node => node.amount >= request.amount).Count();
response.value = result.ToString();
}
public override void GetStatisticByDefaultHandler(out jsonRes response)
{
int amountResult = Global.LocalStorage.Tx_Accessor_Selector().Where(node => node.isAmount != 0).Count();
int freqResult = Global.LocalStorage.Tx_Accessor_Selector().Where(node => node.isFreq != 0).Count();
int cycleResult = Global.LocalStorage.Tx_Accessor_Selector().Where(node => node.isCycle).Count();
response.value = @"{""amountResult"":" + amountResult + @",""freqResult"":" + freqResult + @",""cycleResult"":" + cycleResult + @"}";
}
public override void GetStatisticByFreqHttpHandler(freqRequest request, out jsonRes response)
{
int result = 0;
int nearbyLen = 100000;
freqPara[] txsNearby = new freqPara[nearbyLen]; //cache txs nearby, for high frequent transactions
int nearbyBegin = 0;
int nearbyEnd = 0;
foreach (var tx in Global.LocalStorage.Tx_Accessor_Selector())
{
if (tx.amount > request.amount)
{
List <string> addrsIn = new List <string>();
List <string> addrsOut = new List <string>();
foreach (In _in in tx.ins)
{
addrsIn.Add(_in.addr);
}
foreach (string _out in tx.outs)
{
addrsOut.Add(_out);
}
while (nearbyBegin != nearbyEnd && (tx.time - txsNearby[nearbyBegin].time >= request.interval || tx.time - txsNearby[nearbyBegin].time < 0))
{
nearbyBegin = (nearbyBegin + 1) % nearbyLen;
}
for (int nearbyIndex = nearbyBegin; nearbyIndex != nearbyEnd; nearbyIndex = (nearbyIndex + 1) % nearbyLen)
{
foreach (string addr in txsNearby[nearbyIndex].addrsOut)
{
if (addrsOut.Contains(addr))
{
result++;
break;
}
}
}
//Enqueue next item
txsNearby[nearbyEnd].CellID = (Int64)tx.CellID;
txsNearby[nearbyEnd].addrsIn = addrsIn;
txsNearby[nearbyEnd].addrsOut = addrsOut;
txsNearby[nearbyEnd].time = tx.time;
nearbyEnd = (nearbyEnd + 1) % nearbyLen;
}
}
response.value = result.ToString();
}
public override void GetStatisticByCycleHttpHandler(cycleRequest request, out jsonRes response)
{
int result = 0;
List <Int64> circleTxs = new List <Int64>();
List <Int64> isReading = new List <Int64>();
List <Int64> cellIDs = new List <Int64>();
foreach (var cell in Global.LocalStorage.TxCellID_Accessor_Selector())
{
cellIDs.Add(cell.cellID);
}
foreach (Int64 cellID in cellIDs)
{
List <Input> ins = new List <Input>();
List <string> outs = new List <string>();
bool isCycle = false;
using (var tx = Global.LocalStorage.UseTx(cellID))
{
foreach (In _in in tx.ins)
{
ins.Add(new Input(_in.addr, _in.tx_index));
}
foreach (string _out in tx.outs)
{
outs.Add(_out);
}
if (tx.isCycle == true)
{
isCycle = true;
}
}
if (isCycle == true)
{
result++;
}
else if (Program.DFSFind(request.cycleCount, 0, cellID, ins, outs, circleTxs, isReading, request.amount) == true)
{
result++;
}
}
response.value = result.ToString();
}
public override void GetTxByAddrHttpHandler(addrRequest request, out jsonRes response)
{
Int64 amount = request.amount < 0 ? MAXAMOUNT : request.amount;
//response json
StringBuilder res = new StringBuilder();
res.Append("[");
//get transactions about address
Int64 addrHash = GetCellIDFromAddr(request.addr);
List <Int64> addr_cellIDs = new List <long>();
using (var cellIDs = Global.LocalStorage.UseAddrInfo(addrHash, CellAccessOptions.ReturnNullOnCellNotFound))
{
if (cellIDs == null)
{
response.value = "";
return;
}
foreach (Int64 cellID in cellIDs.txs)
{
addr_cellIDs.Add(cellID);
}
}
//get txs info
List <TxInfo> txInfos = new List <TxInfo>();
foreach (Int64 cellID in addr_cellIDs)
{
using (var tx = Global.LocalStorage.UseTx(cellID))
{
TxInfo txInfo;
txInfo.cellID = (Int64)tx.CellID;
txInfo.hash = tx.hash;
txInfo.amount = tx.amount;
txInfo.time = tx.time;
txInfo.ins = new List <Input>();
foreach (In _in in tx.ins)
{
txInfo.ins.Add(new Input(_in.addr, _in.tx_index));
}
txInfo.outs = new List <string>();
foreach (string _out in tx.outs)
{
txInfo.outs.Add(_out);
}
txInfo.isAmount = tx.isAmount;
txInfo.isFreq = tx.isFreq;
txInfo.isCycle = tx.isCycle;
txInfos.Add(txInfo);
}
}
//get suspicious info
foreach (TxInfo txInfo in txInfos)
{
StringBuilder resPart = new StringBuilder();
resPart.Append(@"{ ""hashVal"":""" + txInfo.hash + @""",");
bool noAmount = false;
bool noFreq = false;
bool noCycle = false;
//judge amount
if (request.amount < 1)
{
resPart.Append(@"""isAmount"":" + txInfo.isAmount + @",");
if (txInfo.isAmount == 0)
{
noAmount = true;
}
}
else
{
if (txInfo.amount > request.amount)
{
resPart.Append(@"""isAmount"":" + (int)(txInfo.amount / request.amount) + @",");
}
else
{
noAmount = true;
resPart.Append(@"""isAmount"":0,");
}
}
//judge freq
if (request.freq < 1)
{
resPart.Append(@"""isFreq"":" + txInfo.isFreq + @",");
if (txInfo.isFreq == 0)
{
noFreq = true;
}
}
else
{
int freqResult = 0;
Int64 neighborCellID = txInfo.cellID - 1;
while (true)
{
using (var tx = Global.LocalStorage.UseTx(neighborCellID, CellAccessOptions.ReturnNullOnCellNotFound))
{
if (tx == null || tx.amount < request.freq_amount || (request.freq_amount < 0 && tx.amount < amount))
{
continue;
}
if (tx.time - txInfo.time < 0 || txInfo.time - tx.time > request.freq)
{
break;
}
bool isTargetTx = false;
foreach (string _out in tx.outs)
{
if (_out == request.addr)
{
isTargetTx = true;
break;
}
}
if (isTargetTx == false)
{
continue;
}
foreach (string _out in tx.outs)
{
if (_out == request.addr)
{
foreach (string __out in txInfo.outs)
{
if (_out == __out)
{
freqResult++;
}
}
}
}
}
neighborCellID--;
}
resPart.Append(@"""isFreq"":" + freqResult + @",");
if (freqResult == 0)
{
noFreq = true;
}
}
//judge cycle
if (request.cycle < 1)
{
resPart.Append(@"""isCycle"":""" + txInfo.isCycle + @"""},");
if (txInfo.isCycle == false)
{
noCycle = true;
}
}
else
{
List <Int64> circleTxs = new List <Int64>();
List <Int64> isReading = new List <Int64>();
if (Program.DFSFind(request.cycle, 0, txInfo.cellID, txInfo.ins, txInfo.outs, circleTxs, isReading, request.cycle_amount < 0 ? amount : request.cycle_amount) == true)
{
resPart.Append(@"""isCycle"":""" + true + @"""},");
}
else
{
noCycle = true;
resPart.Append(@"""isCycle"":""" + false + @"""},");
}
}
//add resPart
if (noAmount != true || noFreq != true || noCycle != true)
{
res.Append(resPart);
}
}
if (res.Length > 1)
{
res.Remove(res.Length - 1, 1);
}
res.Append("]");
response.value = res.ToString();
}