bool CMasternodePing::CheckAndUpdate(int& nDos, bool fRequireEnabled)
{
if (sigTime > GetAdjustedTime() + 60 * 60) {
LogPrintf("CMasternodePing::CheckAndUpdate - Signature rejected, too far into the future %s\n", vin.ToString());
nDos = 1;
return false;
}
if (sigTime <= GetAdjustedTime() - 60 * 60) {
LogPrintf("CMasternodePing::CheckAndUpdate - Signature rejected, too far into the past %s - %d %d \n", vin.ToString(), sigTime, GetAdjustedTime());
nDos = 1;
return false;
}
LogPrint("masternode", "CMasternodePing::CheckAndUpdate - New Ping - %s - %s - %lli\n", GetHash().ToString(), blockHash.ToString(), sigTime);
// see if we have this Masternode
CMasternode* pmn = mnodeman.Find(vin);
if(pmn != NULL && pmn->protocolVersion >= masternodePayments.GetMinMasternodePaymentsProto())
{
if (fRequireEnabled && !pmn->IsEnabled()) return false;
// LogPrintf("mnping - Found corresponding mn for vin: %s\n", vin.ToString());
// update only if there is no known ping for this masternode or
// last ping was more then MASTERNODE_MIN_MNP_SECONDS-60 ago comparing to this one
if(!pmn->IsPingedWithin(MASTERNODE_MIN_MNP_SECONDS - 60, sigTime))
{
std::string strMessage = vin.ToString() + blockHash.ToString() + boost::lexical_cast<std::string>(sigTime);
std::string errorMessage = "";
if(!darkSendSigner.VerifyMessage(pmn->pubkey2, vchSig, strMessage, errorMessage))
{
LogPrintf("CMasternodePing::CheckAndUpdate - Got bad Masternode address signature %s\n", vin.ToString());
nDos = 33;
return false;
}
BlockMap::iterator mi = mapBlockIndex.find(blockHash);
if (mi != mapBlockIndex.end() && (*mi).second)
{
if((*mi).second->nHeight < chainActive.Height() - 24)
{
LogPrintf("CMasternodePing::CheckAndUpdate - Masternode %s block hash %s is too old\n", vin.ToString(), blockHash.ToString());
// Do nothing here (no Masternode update, no mnping relay)
// Let this node to be visible but fail to accept mnping
return false;
}
} else {
if (fDebug) LogPrintf("CMasternodePing::CheckAndUpdate - Masternode %s block hash %s is unknown\n", vin.ToString(), blockHash.ToString());
// maybe we stuck so we shouldn't ban this node, just fail to accept it
// TODO: or should we also request this block?
return false;
}
pmn->lastPing = *this;
//mnodeman.mapSeenMasternodeBroadcast.lastPing is probably outdated, so we'll update it
CMasternodeBroadcast mnb(*pmn);
uint256 hash = mnb.GetHash();
if(mnodeman.mapSeenMasternodeBroadcast.count(hash)) {
mnodeman.mapSeenMasternodeBroadcast[hash].lastPing = *this;
}
pmn->Check(true);
if(!pmn->IsEnabled()) return false;
LogPrint("masternode", "CMasternodePing::CheckAndUpdate - Masternode ping accepted, vin: %s\n", vin.ToString());
Relay();
return true;
}
LogPrint("masternode", "CMasternodePing::CheckAndUpdate - Masternode ping arrived too early, vin: %s\n", vin.ToString());
//nDos = 1; //disable, this is happening frequently and causing banned peers
return false;
}
LogPrint("masternode", "CMasternodePing::CheckAndUpdate - Couldn't find compatible Masternode entry, vin: %s\n", vin.ToString());
return false;
}
bool CMasternodeBroadcast::CheckInputsAndAdd(int& nDoS)
{
// we are a masternode with the same vin (i.e. already activated) and this mnb is ours (matches our Masternode privkey)
// so nothing to do here for us
if(fMasterNode && vin.prevout == activeMasternode.vin.prevout && pubkey2 == activeMasternode.pubKeyMasternode)
return true;
// search existing Masternode list
CMasternode* pmn = mnodeman.Find(vin);
if(pmn != NULL) {
// nothing to do here if we already know about this masternode and it's enabled
if(pmn->IsEnabled()) return true;
// if it's not enabled, remove old MN first and continue
else mnodeman.Remove(pmn->vin);
}
CValidationState state;
CMutableTransaction tx = CMutableTransaction();
CTxOut vout = CTxOut(999.99*COIN, darkSendPool.collateralPubKey);
tx.vin.push_back(vin);
tx.vout.push_back(vout);
{
TRY_LOCK(cs_main, lockMain);
if(!lockMain) {
// not mnb fault, let it to be checked again later
mnodeman.mapSeenMasternodeBroadcast.erase(GetHash());
masternodeSync.mapSeenSyncMNB.erase(GetHash());
return false;
}
if(!AcceptableInputs(mempool, state, CTransaction(tx), false, NULL)) {
//set nDos
state.IsInvalid(nDoS);
return false;
}
}
LogPrint("masternode", "mnb - Accepted Masternode entry\n");
if(GetInputAge(vin) < MASTERNODE_MIN_CONFIRMATIONS){
LogPrintf("mnb - Input must have at least %d confirmations\n", MASTERNODE_MIN_CONFIRMATIONS);
// maybe we miss few blocks, let this mnb to be checked again later
mnodeman.mapSeenMasternodeBroadcast.erase(GetHash());
masternodeSync.mapSeenSyncMNB.erase(GetHash());
return false;
}
// verify that sig time is legit in past
// should be at least not earlier than block when 1000 DASH tx got MASTERNODE_MIN_CONFIRMATIONS
uint256 hashBlock = 0;
CTransaction tx2;
GetTransaction(vin.prevout.hash, tx2, hashBlock, true);
BlockMap::iterator mi = mapBlockIndex.find(hashBlock);
if (mi != mapBlockIndex.end() && (*mi).second)
{
CBlockIndex* pMNIndex = (*mi).second; // block for 1000 DASH tx -> 1 confirmation
CBlockIndex* pConfIndex = chainActive[pMNIndex->nHeight + MASTERNODE_MIN_CONFIRMATIONS - 1]; // block where tx got MASTERNODE_MIN_CONFIRMATIONS
if(pConfIndex->GetBlockTime() > sigTime)
{
LogPrintf("mnb - Bad sigTime %d for Masternode %20s %105s (%i conf block is at %d)\n",
sigTime, addr.ToString(), vin.ToString(), MASTERNODE_MIN_CONFIRMATIONS, pConfIndex->GetBlockTime());
return false;
}
}
LogPrintf("mnb - Got NEW Masternode entry - %s - %s - %s - %lli \n", GetHash().ToString(), addr.ToString(), vin.ToString(), sigTime);
CMasternode mn(*this);
mnodeman.Add(mn);
// if it matches our Masternode privkey, then we've been remotely activated
if(pubkey2 == activeMasternode.pubKeyMasternode && protocolVersion == PROTOCOL_VERSION){
activeMasternode.EnableHotColdMasterNode(vin, addr);
}
bool isLocal = addr.IsRFC1918() || addr.IsLocal();
if(Params().NetworkID() == CBaseChainParams::REGTEST) isLocal = false;
if(!isLocal) Relay();
return true;
}
bool CMasternodeBroadcast::CheckAndUpdate(int& nDos)
{
// make sure signature isn't in the future (past is OK)
if (sigTime > GetAdjustedTime() + 60 * 60) {
LogPrintf("mnb - Signature rejected, too far into the future %s\n", vin.ToString());
nDos = 1;
return false;
}
std::string vchPubKey(pubkey.begin(), pubkey.end());
std::string vchPubKey2(pubkey2.begin(), pubkey2.end());
std::string strMessage = addr.ToString() + boost::lexical_cast<std::string>(sigTime) + vchPubKey + vchPubKey2 + boost::lexical_cast<std::string>(protocolVersion);
if(protocolVersion < masternodePayments.GetMinMasternodePaymentsProto()) {
LogPrintf("mnb - ignoring outdated Masternode %s protocol version %d\n", vin.ToString(), protocolVersion);
return false;
}
CScript pubkeyScript;
pubkeyScript = GetScriptForDestination(pubkey.GetID());
if(pubkeyScript.size() != 25) {
LogPrintf("mnb - pubkey the wrong size\n");
nDos = 100;
return false;
}
CScript pubkeyScript2;
pubkeyScript2 = GetScriptForDestination(pubkey2.GetID());
if(pubkeyScript2.size() != 25) {
LogPrintf("mnb - pubkey2 the wrong size\n");
nDos = 100;
return false;
}
if(!vin.scriptSig.empty()) {
LogPrintf("mnb - Ignore Not Empty ScriptSig %s\n",vin.ToString());
return false;
}
std::string errorMessage = "";
if(!darkSendSigner.VerifyMessage(pubkey, sig, strMessage, errorMessage)){
LogPrintf("mnb - Got bad Masternode address signature\n");
nDos = 100;
return false;
}
if(Params().NetworkID() == CBaseChainParams::MAIN) {
if(addr.GetPort() != 9999) return false;
} else if(addr.GetPort() == 9999) return false;
//search existing Masternode list, this is where we update existing Masternodes with new mnb broadcasts
CMasternode* pmn = mnodeman.Find(vin);
// no such masternode or it's not enabled already, nothing to update
if(pmn == NULL || (pmn != NULL && !pmn->IsEnabled())) return true;
// mn.pubkey = pubkey, IsVinAssociatedWithPubkey is validated once below,
// after that they just need to match
if(pmn->pubkey == pubkey && !pmn->IsBroadcastedWithin(MASTERNODE_MIN_MNB_SECONDS)) {
//take the newest entry
LogPrintf("mnb - Got updated entry for %s\n", addr.ToString());
if(pmn->UpdateFromNewBroadcast((*this))){
pmn->Check();
if(pmn->IsEnabled()) Relay();
}
masternodeSync.AddedMasternodeList(GetHash());
}
return true;
}
bool CMasternodeBroadcast::CheckAndUpdate(int& nDos)
{
nDos = 0;
// make sure signature isn't in the future (past is OK)
if (sigTime > GetAdjustedTime() + 60 * 60) {
LogPrintf("mnb - Signature rejected, too far into the future %s\n", vin.ToString());
nDos = 1;
return false;
}
if(protocolVersion < masternodePayments.GetMinMasternodePaymentsProto()) {
LogPrintf("mnb - ignoring outdated Masternode %s protocol version %d\n", vin.ToString(), protocolVersion);
return false;
}
CScript pubkeyScript;
pubkeyScript = GetScriptForDestination(pubkey.GetID());
if(pubkeyScript.size() != 25) {
LogPrintf("mnb - pubkey the wrong size\n");
nDos = 100;
return false;
}
CScript pubkeyScript2;
pubkeyScript2 = GetScriptForDestination(pubkey2.GetID());
if(pubkeyScript2.size() != 25) {
LogPrintf("mnb - pubkey2 the wrong size\n");
nDos = 100;
return false;
}
if(!vin.scriptSig.empty()) {
LogPrintf("mnb - Ignore Not Empty ScriptSig %s\n",vin.ToString());
return false;
}
std::string strMessage;
std::string errorMessage = "";
if(protocolVersion < 70201) {
std::string vchPubKey(pubkey.begin(), pubkey.end());
std::string vchPubKey2(pubkey2.begin(), pubkey2.end());
strMessage = addr.ToString(false) + boost::lexical_cast<std::string>(sigTime) +
vchPubKey + vchPubKey2 + boost::lexical_cast<std::string>(protocolVersion);
LogPrint("masternode", "mnb - sanitized strMessage: %s, pubkey address: %s, sig: %s\n",
SanitizeString(strMessage), CBitcoinAddress(pubkey.GetID()).ToString(),
EncodeBase64(&sig[0], sig.size()));
if(!darkSendSigner.VerifyMessage(pubkey, sig, strMessage, errorMessage)){
if (addr.ToString() != addr.ToString(false))
{
// maybe it's wrong format, try again with the old one
strMessage = addr.ToString() + boost::lexical_cast<std::string>(sigTime) +
vchPubKey + vchPubKey2 + boost::lexical_cast<std::string>(protocolVersion);
LogPrint("masternode", "mnb - sanitized strMessage: %s, pubkey address: %s, sig: %s\n",
SanitizeString(strMessage), CBitcoinAddress(pubkey.GetID()).ToString(),
EncodeBase64(&sig[0], sig.size()));
if(!darkSendSigner.VerifyMessage(pubkey, sig, strMessage, errorMessage)){
// didn't work either
LogPrintf("mnb - Got bad Masternode address signature, sanitized error: %s\n", SanitizeString(errorMessage));
// there is a bug in old MN signatures, ignore such MN but do not ban the peer we got this from
return false;
}
} else {
// nope, sig is actually wrong
LogPrintf("mnb - Got bad Masternode address signature, sanitized error: %s\n", SanitizeString(errorMessage));
// there is a bug in old MN signatures, ignore such MN but do not ban the peer we got this from
return false;
}
}
} else {
strMessage = addr.ToString(false) + boost::lexical_cast<std::string>(sigTime) +
pubkey.GetID().ToString() + pubkey2.GetID().ToString() +
boost::lexical_cast<std::string>(protocolVersion);
LogPrint("masternode", "mnb - strMessage: %s, pubkey address: %s, sig: %s\n",
strMessage, CBitcoinAddress(pubkey.GetID()).ToString(), EncodeBase64(&sig[0], sig.size()));
if(!darkSendSigner.VerifyMessage(pubkey, sig, strMessage, errorMessage)){
LogPrintf("mnb - Got bad Masternode address signature, error: %s\n", errorMessage);
nDos = 100;
return false;
}
}
if(Params().NetworkID() == CBaseChainParams::MAIN) {
if(addr.GetPort() != 9887) return false;
} else if(addr.GetPort() == 9887) return false;
//search existing Masternode list, this is where we update existing Masternodes with new mnb broadcasts
CMasternode* pmn = mnodeman.Find(vin);
// no such masternode, nothing to update
if(pmn == NULL) return true ;
else {
// this broadcast older than we have, it's bad.
if(pmn->sigTime > sigTime) {
LogPrintf("mnb - Bad sigTime %d for Masternode %20s %105s (existing broadcast is at %d)\n",
sigTime, addr.ToString(), vin.ToString(), pmn->sigTime);
return false;
}
// masternode is not enabled yet/already, nothing to update
if(!pmn->IsEnabled()) return true;
}
// mn.pubkey = pubkey, IsVinAssociatedWithPubkey is validated once below,
// after that they just need to match
if(pmn->pubkey == pubkey && !pmn->IsBroadcastedWithin(MASTERNODE_MIN_MNB_SECONDS)) {
//take the newest entry
LogPrintf("mnb - Got updated entry for %s\n", addr.ToString());
if(pmn->UpdateFromNewBroadcast((*this))){
pmn->Check();
if(pmn->IsEnabled()) Relay();
}
masternodeSync.AddedMasternodeList(GetHash());
}
return true;
}
bool CMasternodePing::CheckAndUpdate(CMasternode* pmn, bool fFromNewBroadcast, int& nDos, CConnman& connman)
{
AssertLockHeld(cs_main);
// don't ban by default
nDos = 0;
if (!SimpleCheck(nDos)) {
return false;
}
if (pmn == NULL) {
LogPrint(MCLog::MN, "CMasternodePing::CheckAndUpdate -- Couldn't find Masternode entry, masternode=%s\n", masternodeOutpoint.ToStringShort());
return false;
}
if (!fFromNewBroadcast) {
if (pmn->IsUpdateRequired()) {
LogPrint(MCLog::MN, "CMasternodePing::CheckAndUpdate -- masternode protocol is outdated, masternode=%s\n", masternodeOutpoint.ToStringShort());
return false;
}
if (pmn->IsNewStartRequired()) {
LogPrint(MCLog::MN, "CMasternodePing::CheckAndUpdate -- masternode is completely expired, new start is required, masternode=%s\n", masternodeOutpoint.ToStringShort());
return false;
}
}
{
BlockMap::iterator mi = mapBlockIndex.find(blockHash);
if ((*mi).second && (*mi).second->nHeight < chainActive.Height() - 24) {
LogPrint(MCLog::MN, "CMasternodePing::CheckAndUpdate -- Masternode ping is invalid, block hash is too old: masternode=%s blockHash=%s\n", masternodeOutpoint.ToStringShort(), blockHash.ToString());
// nDos = 1;
return false;
}
}
LogPrint(MCLog::MN, "CMasternodePing::CheckAndUpdate -- New ping: masternode=%s blockHash=%s sigTime=%d\n", masternodeOutpoint.ToStringShort(), blockHash.ToString(), sigTime);
//LogPrint(MCLog::MN, "mnping - Found corresponding mn for outpoint: %s\n", masternodeOutpoint.ToStringShort());
// update only if there is no known ping for this masternode or
// last ping was more then MASTERNODE_MIN_MNP_SECONDS-60 ago comparing to this one
if (pmn->IsPingedWithin(MASTERNODE_MIN_MNP_SECONDS - 60, sigTime)) {
LogPrint(MCLog::MN, "CMasternodePing::CheckAndUpdate -- Masternode ping arrived too early, masternode=%s\n", masternodeOutpoint.ToStringShort());
//nDos = 1; //disable, this is happening frequently and causing banned peers
return false;
}
if (!CheckSignature(pmn->pubKeyMasternode, nDos)) return false;
// so, ping seems to be ok
// if we are still syncing and there was no known ping for this mn for quite a while
// (NOTE: assuming that MASTERNODE_EXPIRATION_SECONDS/2 should be enough to finish mn list sync)
if (!masternodeSync.IsMasternodeListSynced() && !pmn->IsPingedWithin(MASTERNODE_EXPIRATION_SECONDS / 2)) {
// let's bump sync timeout
LogPrint(MCLog::MN, "CMasternodePing::CheckAndUpdate -- bumping sync timeout, masternode=%s\n", masternodeOutpoint.ToStringShort());
masternodeSync.BumpAssetLastTime("CMasternodePing::CheckAndUpdate");
}
// let's store this ping as the last one
LogPrint(MCLog::MN, "CMasternodePing::CheckAndUpdate -- Masternode ping accepted, masternode=%s\n", masternodeOutpoint.ToStringShort());
pmn->lastPing = *this;
// and update mnodeman.mapSeenMasternodeBroadcast.lastPing which is probably outdated
CMasternodeBroadcast mnb(*pmn);
uint256 hash = mnb.GetHash();
if (mnodeman.mapSeenMasternodeBroadcast.count(hash)) {
mnodeman.mapSeenMasternodeBroadcast[hash].second.lastPing = *this;
}
// force update, ignoring cache
pmn->Check(true);
// relay ping for nodes in ENABLED/EXPIRED/SENTINEL_PING_EXPIRED state only, skip everyone else
if (!pmn->IsEnabled() && !pmn->IsExpired() && !pmn->IsSentinelPingExpired()) return false;
LogPrint(MCLog::MN, "CMasternodePing::CheckAndUpdate -- Masternode ping acceepted and relayed, masternode=%s\n", masternodeOutpoint.ToStringShort());
Relay(connman);
return true;
}
int main(int argc, char **argv){
// Set I2C bus
DEVICE = 2; // /dev/i2c-2 Olinuxino A20 micro, change if other board or i2c port used
/* Read program options */
while(1){
static struct option long_options[]=
{
{"verbose", no_argument, &_DEBUG, 1},
{"debug", no_argument, &_DEBUG, 1},
{"relays?", no_argument,0,'r'},
{"adc", required_argument,0,'a'},
{"id", no_argument,0,'i'},
{"getport", no_argument,0,'g'},
{"getlat", no_argument,0,'G'},
{"setrelays", required_argument,0,'S'},
{"setoutputs", required_argument,0,'o'},
{"settris", required_argument,0,'t'},
{"setpullups", required_argument,0,'p'},
{"switchon", required_argument,0,'s'},
{"switchoff", required_argument,0,'n'},
{"firmware",no_argument,0,'f'},
{"help", no_argument,0,'h'},
{"busscan", no_argument,0,'F'},
{"setaddress", required_argument,0,'x'},
{"setfactory", no_argument,0,'X'},
{0, 0, 0, 0}
};
int option_index = 0;
int c = getopt_long(argc, argv, "s:t:a:igGrp:o:S:n:fhx:bX?", long_options, &option_index);
unsigned int value;
if (c == -1)
{
break;
}
switch(c)
{
case 'v':
_DEBUG = 1;
break;
case 'h':
Print_Help();
break;
case 'S':
value = atoi(optarg);
Relay(value);
break;
case 's':
value = atoi(optarg);
RelayOn(value);
break;
case 'o':
value = atoi(optarg);
SetGPIO(value);
break;
case 'n':
value = atoi(optarg);
RelayOff(value);
break;
case 'b':
DEVICE = atoi(optarg);
break;
case 'a':
value = atoi(optarg);
ReadADC(value);
break;
case 'g':
ReadGPIO();
break;
case 'G':
ReadLAT();
break;
case 'F':
BusScan();
break;
case 'i':
ReadID();
break;
case 'X':
Set_Factory();
break;
case 'r':
ReadRelays();
break;
case 't':
value = atoi(optarg);
Set_TRIS(value);
break;
case 'x':
value = atoi(optarg);
Set_Address(value);
break;
case 'p':
value = atoi(optarg);
Set_PU(value);
break;
case 'f':
ReadSV();
break;
default:
// Print_Help();
break;
}
}
return 0;
}
