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Topic: 'CACHE'Project [VALM-Cache difficulty recalculation algorithm, SpamHash Control] - page 7. (Read 8216 times)

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CACHE-Project, Unification of functions ProcessMessage, ProcessMessages, ThreadAnalyzer into one functional object. With the integration of Spam Hash List on 250 lines(with line shift) - Final -+ CTxMemPool::CheckTxMemPool added

Version : v_6.1.1.14
Version of git : v_0.7.5.108
Subversion : v_0.7.6.28


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 What is it for....
Before this update, you could see in the log file -

Code:
2019-03-18 04:39:22 UTC received: inv (73 bytes)
  got inventory: tx a95eb73d454b8469705b  new
  strCommand 'inv' - spam hash previous: ck 34ffd65274414510f - outofstock
askfor tx a95eb73d454b8469705b   0 (00:00:00)
  got inventory: tx bdfacc80ed0878f1f235  new
  strCommand 'inv' - spam hash previous: ck 34ffd65274414510f - outofstock
askfor tx bdfacc80ed0878f1f235   0 (00:00:00)
sending getdata: tx a95eb73d454b8469705b
sending getdata: tx bdfacc80ed0878f1f235
sending: getdata (73 bytes)


BAD MSGCOMPLETE - BREAK

ProcessMessages(tx, 56096 bytes) : CHECKSUM ERROR - CONTINUE nChecksum=35ed1baf hdr.nChecksum=c49b7f72


BAD MSGCOMPLETE - BREAK

ProcessMessages(tx, 56096 bytes) : CHECKSUM ERROR - CONTINUE nChecksum=7772b533 hdr.nChecksum=c49b7f72
2019-03-18 04:39:22 UTC received: tx (56096 bytes)
trying connection 91.82.212.214:2225 lastseen=152,3hrs
'CTxMemPool - Accept' - ThreadAnalyzerHandler() : accepted a95eb73d45 (poolsz 1)
strCommand 'tx' - AcceptToMemoryPool: xxx.xxx.xxx.73:51090 /CACHEProject 2018:0.7.6.21/ : accepted a95eb73d454b8469705bc8ddffb749161c3ca41b0c3f6a210d1f043dc49b7f72 (poolsz 1)
connect() failed after select(): B coeдинeнии oткaзaнo
trying connection 194.154.78.195:2225 lastseen=36,5hrs
connection timeout

At first glance, everything is fine - with a few small errors. After the last update, it is not so harmless.

Code:
2019-03-20 14:08:00 UTC received: inv (73 bytes)
   Switch test mode ('inv' contains more than one transaction)
ThreadRPCServer method=gettransaction
  got inventory: tx a95eb73d454b8469705b  new
  strCommand 'inv' - spam hash previous:  Spam is missing now - outofstock
askfor tx a95eb73d454b8469705b   0 (00:00:00)
  got inventory: tx bdfacc80ed0878f1f235  new
  strCommand 'inv' - spam hash previous:  Spam is missing now - outofstock
askfor tx bdfacc80ed0878f1f235   0 (00:00:00)
sending getdata: tx a95eb73d454b8469705b
sending getdata: tx bdfacc80ed0878f1f235
sending: getdata (73 bytes)
ThreadRPCServer method=getblock
ProcessMessages(tx, 56096 bytes) : BAD MSGCOMPLETE IF CHECKSUM ERROR - CONTINUE nChecksum=2c043ff7 hdr.nChecksum=c49b7f72
2019-03-20 14:08:00 UTC received: tx (56096 bytes)
ERROR: 'Transaction - CheckTransaction' - ThreadAnalyzerHandler() : vout empty
strCommand 'tx' - The executor of the rules performed the work
  strCommand 'tx' - spam hash previous: 63d6de921f25bff5da96 - outofstock
  strCommand 'tx' - spam hash actual: 63d6de921f25bff5da96 - outofstock
ProcessMessage(tx, 56096 bytes) FAILED
ThreadRPCServer method=gettransaction
disconnecting node xxx.xxx.xxx.73:60833
ThreadRPCServer method=getblock
trying connection 194.154.78.195:2225 lastseen=94,0hrs
Code:
2019-03-16 06:01:25 UTC received: inv (37 bytes)
  got inventory: tx 7405f2ab32944cfac5b0  new
  strCommand 'inv' - spam hash previous:  Spam is missing now - outofstock
askfor tx 7405f2ab32944cfac5b0   0 (00:00:00)
sending getdata: tx 7405f2ab32944cfac5b0
sending: getdata (37 bytes)


BAD MSGCOMPLETE - BREAK

ProcessMessages(tx, 7112 bytes) : CHECKSUM ERROR - CONTINUE nChecksum=23dce890 hdr.nChecksum=7adc7b94
2019-03-16 06:01:25 UTC received: tx (7112 bytes)
ERROR: 'Transaction - CheckTransaction' - ThreadAnalyzerHandler() : vout empty
strCommand 'tx' - The executor of the rules performed the work
  strCommand 'tx' - spam hash previous: ff86c6d8341aa8fab74b - outofstock
  strCommand 'tx' - spam hash actual: ff86c6d8341aa8fab74b - outofstock
ProcessMessage(tx, 7112 bytes) FAILED
disconnecting node xxx.xxx.xxx.xxx:2225
connection timeout

I do not know who the author is, but this code has this vulnerability.

Code:
bool ProcessMessages(CNode* pfrom)
{
    //CDataStream& vRecv = pfrom->vRecv;
    //if (vRecv.empty())
    //    return true;

    static int64 nTimeLastPrintMessageStart = 0;
    if (fDebug && GetBoolArg("-printmessagestart") && nTimeLastPrintMessageStart + 30 < GetAdjustedTime())
    {
        string strMessageStart((const char *)pchMessageStart, sizeof(pchMessageStart));
        vector vchMessageStart(strMessageStart.begin(), strMessageStart.end());
        printf("ProcessMessages : AdjustedTime=%" PRI64d" MessageStart=%s\n", GetAdjustedTime(), HexStr(vchMessageStart).c_str());
        nTimeLastPrintMessageStart = GetAdjustedTime();
    }

    bool fOk = true;

    if (!pfrom->vRecvGetData.empty())
        ProcessGetData(pfrom);

    // this maintains the order of responses
    if (!pfrom->vRecvGetData.empty())
        return fOk;

    //
    // Message format
    //  (4) message start
    //  (12) command
    //  (4) size
    //  (4) checksum
    //  (x) data
    //

    std::deque::iterator it = pfrom->vRecvMsg.begin();
    while (!pfrom->fDisconnect && it != pfrom->vRecvMsg.end())
    {
        // Don't bother if send buffer is too full to respond anyway
        if (pfrom->vSend.size() >= SendBufferSize())
        {
            printf("\n\nSENDSIZE > SENDBUFFERSIZE - BREAK\n\n");
            break;
        }

        CNetMessage& msg = *it;

        if (!msg.complete())
        {
            printf("\n\nBAD MSGCOMPLETE - BREAK\n\n");
            break;
        }

        it++;

        // Scan for message start
        if (memcmp(msg.hdr.pchMessageStart, pchMessageStart, sizeof(pchMessageStart)) != 0)
        {
            printf("\n\nPROCESSMESSAGE: INVALID MESSAGESTART - BREAK\n\n");
            fOk = false;
            break;
        }

        // Read header
        CMessageHeader& hdr = msg.hdr;
        if (!hdr.IsValid())
        {
            printf("\n\nPROCESSMESSAGE: ERRORS IN HEADER - CONTINUE %s\n\n\n", hdr.GetCommand().c_str());
            continue;
        }
        string strCommand = hdr.GetCommand();

        // Message size
        unsigned int nMessageSize = hdr.nMessageSize;

        // Checksum
        CDataStream& vRecv = msg.vRecv;
        uint256 hash = Hash(vRecv.begin(), vRecv.begin() + nMessageSize);
        unsigned int nChecksum = 0;
        memcpy(&nChecksum, &hash, sizeof(nChecksum));
        if (nChecksum != hdr.nChecksum)
        {
            printf("ProcessMessages(%s, %u bytes) : CHECKSUM ERROR - CONTINUE nChecksum=%08x hdr.nChecksum=%08x\n",
            strCommand.c_str(), nMessageSize, nChecksum, hdr.nChecksum);
            continue;
        }

        // Message size - addr
        std::string wait("addr"), addr(strCommand.c_str());
        if (wait == addr)
        {
        if (nMessageSize > ADR_MAX_SIZE)
        {
            printf("ProcessMessages(%s, %u bytes) : PEERS.DAT EXCEEDS THE ALLOWABLE SIZE - CONTINUE\n", strCommand.c_str(), nMessageSize);
            continue;
        }
        }

        // Process message
        bool fRet = false;
        try
        {
            {
                LOCK(cs_main);
                fRet = ProcessMessage(pfrom, strCommand, vRecv);
            }
            boost::this_thread::interruption_point();
        }
        catch (std::ios_base::failure& e)
        {
            if (strstr(e.what(), "end of data"))
            {
                // Allow exceptions from under-length message on vRecv
                printf("ProcessMessages(%s, %u bytes) : Exception '%s' caught, normally caused by a message being shorter than its stated length\n", strCommand.c_str(), nMessageSize, e.what());
            }
            else if (strstr(e.what(), "size too large"))
            {
                // Allow exceptions from over-long size
                printf("ProcessMessages(%s, %u bytes) : Exception '%s' caught\n", strCommand.c_str(), nMessageSize, e.what());
            }
            else
            {
                PrintExceptionContinue(&e, "ProcessMessages()");
            }
        }
        catch (boost::thread_interrupted) {
            throw;
        }
        catch (std::exception& e) {
            PrintExceptionContinue(&e, "ProcessMessages()");
        } catch (...) {
            PrintExceptionContinue(NULL, "ProcessMessages()");
        }

        if (!fRet)
            printf("ProcessMessage(%s, %u bytes) FAILED\n", strCommand.c_str(), nMessageSize);

        break;
    }

    // In case the connection got shut down, its receive buffer was wiped
    if (!pfrom->fDisconnect)
        pfrom->vRecvMsg.erase(pfrom->vRecvMsg.begin(), it);

    return fOk;
sr. member
Activity: 939
Merit: 261
Data HDD Repair - Recovery of lost information

New version available

CACHE-Project, Unification of functions ProcessMessage, ProcessMessages, ThreadAnalyzer into one functional object. With the integration of Spam Hash List on 250 lines(with line shift) - 3

Version : v_6.1.1.13
Version of git : v_0.7.5.105
Subversion : v_0.7.6.27


sr. member
Activity: 939
Merit: 261
Data HDD Repair - Recovery of lost information

New version available

CACHE-Project, Unification of functions ProcessMessage, ProcessMessages, ThreadAnalyzer into one functional object. With the integration of Spam Hash List on 250 lines(with line shift) - 2

Version : v_6.1.1.12
Version of git : v_0.7.5.104
Subversion : v_0.7.6.26



Wallet doesn't sync.

Code:
2019-03-18 21:30:18

BAD MSGCOMPLETE - BREAK

2019-03-18 21:30:18 ProcessMessages(inv, 18003 bytes) : CHECKSUM ERROR - CONTINUE nChecksum=d71a6c94 hdr.nChecksum=bd8897b2

 The next version will be better.  Smiley
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New version available

CACHE-Project, Unification of functions ProcessMessage, ProcessMessages, ThreadAnalyzer into one functional object. With the integration of Spam Hash List on 250 lines(with line shift) - 2

Version : v_6.1.1.12
Version of git : v_0.7.5.104
Subversion : v_0.7.6.26



Wallet doesn't sync.

Code:
2019-03-18 21:30:18

BAD MSGCOMPLETE - BREAK

2019-03-18 21:30:18 ProcessMessages(inv, 18003 bytes) : CHECKSUM ERROR - CONTINUE nChecksum=d71a6c94 hdr.nChecksum=bd8897b2
sr. member
Activity: 939
Merit: 261
Data HDD Repair - Recovery of lost information

New version available

CACHE-Project, Unification of functions ProcessMessage, ProcessMessages, ThreadAnalyzer into one functional object. With the integration of Spam Hash List on 250 lines(with line shift) - 2

Version : v_6.1.1.12
Version of git : v_0.7.5.104
Subversion : v_0.7.6.26


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Activity: 96
Merit: 0
{
    "version" : "v6.1.1.11-g32a928e-cache-2018-beta-one",
    "protocolversion" : 91001,
    "walletversion" : 60000,
    "balance" : 0.00000000,
    "newmint" : 0.00000000,
    "stake" : 0.00000000,
    "blocks" : 0,
    "moneysupply" : 0.00000000,
    "connections" : 3,
    "proxy" : "",
    "ip" : "113.79.75.25",
    "difficulty" : 0.00024414,
    "testnet" : false,
    "keypoololdest" : 1552745652,
    "keypoolsize" : 101,
    "paytxfee" : 0.01000000,
    "errors" : ""
}


me to
sr. member
Activity: 939
Merit: 261
Data HDD Repair - Recovery of lost information
No dowload blocks


"version" : "v6.1.1.11-g32a928e-cache-2018-beta-one",
    "protocolversion" : 91001,
    "walletversion" : 60000,
    "balance" : 0.00000000,
    "newmint" : 0.00000000,
    "stake" : 0.00000000,
    "blocks" : 0,
    "moneysupply" : 0.00000000,
    "connections" : 5,
    "proxy" : "",
    "ip" : "185.203.118.177",
    "difficulty" : 0.00024414,
    "testnet" : false,
    "keypoololdest" : 1552818485,
    "keypoolsize" : 101,
    "paytxfee" : 0.01000000,
    "errors" : ""


 Yes, yes - there is such a thing. Soon there will be an update, found the reason ..

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Activity: 546
Merit: 250
No dowload blocks


"version" : "v6.1.1.11-g32a928e-cache-2018-beta-one",
    "protocolversion" : 91001,
    "walletversion" : 60000,
    "balance" : 0.00000000,
    "newmint" : 0.00000000,
    "stake" : 0.00000000,
    "blocks" : 0,
    "moneysupply" : 0.00000000,
    "connections" : 5,
    "proxy" : "",
    "ip" : "185.203.118.177",
    "difficulty" : 0.00024414,
    "testnet" : false,
    "keypoololdest" : 1552818485,
    "keypoolsize" : 101,
    "paytxfee" : 0.01000000,
    "errors" : ""
sr. member
Activity: 939
Merit: 261
Data HDD Repair - Recovery of lost information
addnode=31.43.218.102
addnode=31.43.218.102
addnode=31.43.218.102
addnode=31.43.218.102
addnode=145.239.189.106
addnode=92.47.17.164
addnode=31.43.218.102
addnode=195.200.244.73
addnode=104.167.2.136
addnode=5.9.77.113
addnode=95.216.23.211
addnode=63.142.251.194
addnode=109.194.51.160
addnode=109.194.51.160
addnode=77.235.199.6
addnode=109.194.51.160
addnode=109.194.51.160
addnode=91.210.200.12


Eureka

Bugs - only now manifested. Looking.
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Activity: 96
Merit: 0
addnode=31.43.218.102
addnode=31.43.218.102
addnode=31.43.218.102
addnode=31.43.218.102
addnode=145.239.189.106
addnode=92.47.17.164
addnode=31.43.218.102
addnode=195.200.244.73
addnode=104.167.2.136
addnode=5.9.77.113
addnode=95.216.23.211
addnode=63.142.251.194
addnode=109.194.51.160
addnode=109.194.51.160
addnode=77.235.199.6
addnode=109.194.51.160
addnode=109.194.51.160
addnode=91.210.200.12


Eureka
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Activity: 96
Merit: 0

New version available

CACHE-Project, Unification of functions ProcessMessage, ProcessMessages, ThreadAnalyzer into one functional object. With the integration of Spam Hash List on 250 lines(with line shift)

Version : v_6.1.1.11
Version of git : v_0.7.5.103
Subversion : v_0.7.6.25






{
    "version" : "v6.1.1.11-g32a928e-cache-2018-beta-one",
    "protocolversion" : 91001,
    "walletversion" : 60000,
    "balance" : 0.00000000,
    "newmint" : 0.00000000,
    "stake" : 0.00000000,
    "blocks" : 0,
    "moneysupply" : 0.00000000,
    "connections" : 0,
    "proxy" : "",
    "ip" : "113.79.74.120",
    "difficulty" : 0.00024414,
    "testnet" : false,
    "keypoololdest" : 1552745652,
    "keypoolsize" : 101,
    "paytxfee" : 0.01000000,
    "errors" : ""

0 node!
In China
sr. member
Activity: 939
Merit: 261
Data HDD Repair - Recovery of lost information

New version available

CACHE-Project, Unification of functions ProcessMessage, ProcessMessages, ThreadAnalyzer into one functional object. With the integration of Spam Hash List on 250 lines(with line shift)

Version : v_6.1.1.11
Version of git : v_0.7.5.103
Subversion : v_0.7.6.25


sr. member
Activity: 939
Merit: 261
Data HDD Repair - Recovery of lost information
sr. member
Activity: 939
Merit: 261
Data HDD Repair - Recovery of lost information

New version available

CACHE-Project, Peers with bad behavior will now disconnect. With the subsequent perm…, Reduced consumption of system resources(Stable)

Version : v_6.1.1.10
Version of git : v_0.7.5.101
Subversion : v_0.7.6.24


sr. member
Activity: 939
Merit: 261
Data HDD Repair - Recovery of lost information

New version available

CACHE-Project, Fix minor bugs

Version : v_6.1.1.9
Version of git : v_0.7.5.84
Subversion : v_0.7.6.23



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