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//mnodeman.mapSeenMasternodeBroadcast.lastPing is probably outdated, so we'll update it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;
}
//
// Bootup the Masternode, look for a 1000DRK input and register on the network
//
void CActiveMasternode::ManageStatus()
{
std::string errorMessage;
if(!fMasterNode) return;
if (fDebug) LogPrintf("CActiveMasternode::ManageStatus() - Begin\n");
//need correct blocks to send ping
if(Params().NetworkID() != CBaseChainParams::REGTEST && !masternodeSync.IsBlockchainSynced()) {
status = ACTIVE_MASTERNODE_SYNC_IN_PROCESS;
LogPrintf("CActiveMasternode::ManageStatus() - %s\n", GetStatus());
return;
}
if(status == ACTIVE_MASTERNODE_SYNC_IN_PROCESS) status = ACTIVE_MASTERNODE_INITIAL;
if(status == ACTIVE_MASTERNODE_INITIAL) {
CMasternode *pmn;
pmn = mnodeman.Find(pubKeyMasternode);
if(pmn != NULL) {
pmn->Check();
if(pmn->IsEnabled() && pmn->protocolVersion == PROTOCOL_VERSION) EnableHotColdMasterNode(pmn->vin, pmn->addr);
}
}
if(status != ACTIVE_MASTERNODE_STARTED) {
// Set defaults
status = ACTIVE_MASTERNODE_NOT_CAPABLE;
notCapableReason = "";
if(pwalletMain->IsLocked()){
notCapableReason = "Wallet is locked.";
LogPrintf("CActiveMasternode::ManageStatus() - not capable: %s\n", notCapableReason);
return;
}
if(pwalletMain->GetBalance() == 0){
notCapableReason = "Hot node, waiting for remote activation.";
LogPrintf("CActiveMasternode::ManageStatus() - not capable: %s\n", notCapableReason);
return;
}
if(strMasterNodeAddr.empty()) {
if(!GetLocal(service)) {
notCapableReason = "Can't detect external address. Please use the masternodeaddr configuration option.";
LogPrintf("CActiveMasternode::ManageStatus() - not capable: %s\n", notCapableReason);
return;
}
} else {
service = CService(strMasterNodeAddr);
}
if(Params().NetworkID() == CBaseChainParams::MAIN) {
if(service.GetPort() != 9999) {
notCapableReason = strprintf("Invalid port: %u - only 9999 is supported on mainnet.", service.GetPort());
LogPrintf("CActiveMasternode::ManageStatus() - not capable: %s\n", notCapableReason);
return;
}
} else if(service.GetPort() == 9999) {
notCapableReason = strprintf("Invalid port: %u - 9999 is only supported on mainnet.", service.GetPort());
LogPrintf("CActiveMasternode::ManageStatus() - not capable: %s\n", notCapableReason);
return;
}
LogPrintf("CActiveMasternode::ManageStatus() - Checking inbound connection to '%s'\n", service.ToString());
CNode *pnode = ConnectNode((CAddress)service, NULL, false);
if(!pnode){
notCapableReason = "Could not connect to " + service.ToString();
LogPrintf("CActiveMasternode::ManageStatus() - not capable: %s\n", notCapableReason);
return;
}
pnode->Release();
// Choose coins to use
CPubKey pubKeyCollateralAddress;
CKey keyCollateralAddress;
if(GetMasterNodeVin(vin, pubKeyCollateralAddress, keyCollateralAddress)) {
if(GetInputAge(vin) < MASTERNODE_MIN_CONFIRMATIONS){
status = ACTIVE_MASTERNODE_INPUT_TOO_NEW;
notCapableReason = strprintf("%s - %d confirmations", GetStatus(), GetInputAge(vin));
LogPrintf("CActiveMasternode::ManageStatus() - %s\n", notCapableReason);
return;
}
LOCK(pwalletMain->cs_wallet);
pwalletMain->LockCoin(vin.prevout);
// send to all nodes
CPubKey pubKeyMasternode;
CKey keyMasternode;
if(!darkSendSigner.SetKey(strMasterNodePrivKey, errorMessage, keyMasternode, pubKeyMasternode))
{
notCapableReason = "Error upon calling SetKey: " + errorMessage;
LogPrintf("Register::ManageStatus() - %s\n", notCapableReason);
return;
}
if(!Register(vin, service, keyCollateralAddress, pubKeyCollateralAddress, keyMasternode, pubKeyMasternode, errorMessage)) {
notCapableReason = "Error on Register: " + errorMessage;
LogPrintf("Register::ManageStatus() - %s\n", notCapableReason);
return;
}
LogPrintf("CActiveMasternode::ManageStatus() - Is capable master node!\n");
status = ACTIVE_MASTERNODE_STARTED;
return;
} else {
notCapableReason = "Could not find suitable coins!";
LogPrintf("CActiveMasternode::ManageStatus() - %s\n", notCapableReason);
return;
}
}
//send to all peers
if(!SendMasternodePing(errorMessage)) {
LogPrintf("CActiveMasternode::ManageStatus() - Error on Ping: %s\n", errorMessage);
}
}
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;
}
