neobytes/src/activemasternode.cpp
2015-08-10 01:32:09 +03:00

465 lines
18 KiB
C++

#include "protocol.h"
#include "activemasternode.h"
#include "masternodeman.h"
#include "masternode.h"
#include "masternodeconfig.h"
#include "spork.h"
//
// 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(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);
}
LogPrintf("CActiveMasternode::ManageStatus() - Checking inbound connection to '%s'\n", service.ToString());
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;
}
if(!ConnectNode((CAddress)service, service.ToString().c_str())){
notCapableReason = "Could not connect to " + service.ToString();
LogPrintf("CActiveMasternode::ManageStatus() - not capable: %s\n", notCapableReason);
return;
}
if(pwalletMain->IsLocked()){
notCapableReason = "Wallet is locked.";
LogPrintf("CActiveMasternode::ManageStatus() - not capable: %s\n", notCapableReason);
return;
}
// 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);
}
}
std::string CActiveMasternode::GetStatus() {
switch (status) {
case ACTIVE_MASTERNODE_INITIAL: return "Node just started, not yet activated";
case ACTIVE_MASTERNODE_SYNC_IN_PROCESS: return "Sync in progress. Must wait until sync is complete to start Masternode";
case ACTIVE_MASTERNODE_INPUT_TOO_NEW: return strprintf("Masternode input must have at least %d confirmations", MASTERNODE_MIN_CONFIRMATIONS);
case ACTIVE_MASTERNODE_NOT_CAPABLE: return "Not capable masternode: " + notCapableReason;
case ACTIVE_MASTERNODE_STARTED: return "Masternode successfully started";
default: return "unknown";
}
}
bool CActiveMasternode::SendMasternodePing(std::string& errorMessage) {
if(status != ACTIVE_MASTERNODE_STARTED) {
errorMessage = "Masternode is not in a running status";
return false;
}
CPubKey pubKeyMasternode;
CKey keyMasternode;
if(!darkSendSigner.SetKey(strMasterNodePrivKey, errorMessage, keyMasternode, pubKeyMasternode))
{
errorMessage = strprintf("Error upon calling SetKey: %s\n", errorMessage);
return false;
}
LogPrintf("CActiveMasternode::SendMasternodePing() - Relay Masternode Ping vin = %s\n", vin.ToString());
CMasternodePing mnp(vin);
if(!mnp.Sign(keyMasternode, pubKeyMasternode))
{
errorMessage = "Couldn't sign Masternode Ping";
return false;
}
// Update lastPing for our masternode in Masternode list
CMasternode* pmn = mnodeman.Find(vin);
if(pmn != NULL)
{
if(pmn->IsPingedWithin(MASTERNODE_PING_SECONDS, mnp.sigTime)){
errorMessage = "Too early to send Masternode Ping";
return false;
}
pmn->lastPing = mnp;
mnodeman.mapSeenMasternodePing.insert(make_pair(mnp.GetHash(), mnp));
mnp.Relay();
/*
* IT'S SAFE TO REMOVE THIS IN FURTHER VERSIONS
* AFTER MIGRATION TO V12 IS DONE
*/
if(IsSporkActive(SPORK_10_MASTERNODE_PAY_UPDATED_NODES)) return true;
// for migration purposes ping our node on old masternodes network too
std::string retErrorMessage;
std::vector<unsigned char> vchMasterNodeSignature;
int64_t masterNodeSignatureTime = GetAdjustedTime();
std::string strMessage = service.ToString() + boost::lexical_cast<std::string>(masterNodeSignatureTime) + boost::lexical_cast<std::string>(false);
if(!darkSendSigner.SignMessage(strMessage, retErrorMessage, vchMasterNodeSignature, keyMasternode)) {
errorMessage = "dseep sign message failed: " + retErrorMessage;
return false;
}
if(!darkSendSigner.VerifyMessage(pubKeyMasternode, vchMasterNodeSignature, strMessage, retErrorMessage)) {
errorMessage = "dseep verify message failed: " + retErrorMessage;
return false;
}
LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes)
pnode->PushMessage("dseep", vin, vchMasterNodeSignature, masterNodeSignatureTime, false);
/*
* END OF "REMOVE"
*/
return true;
}
else
{
// Seems like we are trying to send a ping while the Masternode is not registered in the network
errorMessage = "Darksend Masternode List doesn't include our Masternode, shutting down Masternode pinging service! " + vin.ToString();
status = ACTIVE_MASTERNODE_NOT_CAPABLE;
notCapableReason = errorMessage;
return false;
}
}
bool CActiveMasternode::Register(std::string strService, std::string strKeyMasternode, std::string strTxHash, std::string strOutputIndex, std::string& errorMessage) {
CTxIn vin;
CPubKey pubKeyCollateralAddress;
CKey keyCollateralAddress;
CPubKey pubKeyMasternode;
CKey keyMasternode;
//need correct blocks to send ping
if(!masternodeSync.IsBlockchainSynced()) {
errorMessage = GetStatus();
LogPrintf("CActiveMasternode::Register() - %s\n", errorMessage);
return false;
}
if(!darkSendSigner.SetKey(strKeyMasternode, errorMessage, keyMasternode, pubKeyMasternode))
{
errorMessage = strprintf("Can't find keys for masternode %s - %s", strService, errorMessage);
LogPrintf("CActiveMasternode::Register() - %s\n", errorMessage);
return false;
}
if(!GetMasterNodeVin(vin, pubKeyCollateralAddress, keyCollateralAddress, strTxHash, strOutputIndex)) {
errorMessage = strprintf("Could not allocate vin %s:%s for masternode %s", strTxHash, strOutputIndex, strService);
LogPrintf("CActiveMasternode::Register() - %s\n", errorMessage);
return false;
}
CService service = CService(strService);
if(Params().NetworkID() == CBaseChainParams::MAIN) {
if(service.GetPort() != 9999) {
errorMessage = strprintf("Invalid port %u for masternode %s - only 9999 is supported on mainnet.", service.GetPort(), strService);
LogPrintf("CActiveMasternode::Register() - %s\n", errorMessage);
return false;
}
} else if(service.GetPort() == 9999) {
errorMessage = strprintf("Invalid port %u for masternode %s - 9999 is only supported on mainnet.", service.GetPort(), strService);
LogPrintf("CActiveMasternode::Register() - %s\n", errorMessage);
return false;
}
return Register(vin, CService(strService), keyCollateralAddress, pubKeyCollateralAddress, keyMasternode, pubKeyMasternode, errorMessage);
}
bool CActiveMasternode::Register(CTxIn vin, CService service, CKey keyCollateralAddress, CPubKey pubKeyCollateralAddress, CKey keyMasternode, CPubKey pubKeyMasternode, std::string &errorMessage) {
CMasternodeBroadcast mnb;
CMasternodePing mnp(vin);
if(!mnp.Sign(keyMasternode, pubKeyMasternode)){
errorMessage = strprintf("Failed to sign ping, vin: %s", vin.ToString());
LogPrintf("CActiveMasternode::Register() - %s\n", errorMessage);
return false;
}
mnodeman.mapSeenMasternodePing.insert(make_pair(mnp.GetHash(), mnp));
LogPrintf("CActiveMasternode::Register() - Adding to Masternode list\n service: %s\n vin: %s\n", service.ToString(), vin.ToString());
mnb = CMasternodeBroadcast(service, vin, pubKeyCollateralAddress, pubKeyMasternode, PROTOCOL_VERSION);
mnb.lastPing = mnp;
if(!mnb.Sign(keyCollateralAddress)){
errorMessage = strprintf("Failed to sign broadcast, vin: %s", vin.ToString());
LogPrintf("CActiveMasternode::Register() - %s\n", errorMessage);
return false;
}
mnodeman.mapSeenMasternodeBroadcast.insert(make_pair(mnb.GetHash(), mnb));
masternodeSync.AddedMasternodeList(mnb.GetHash());
CMasternode* pmn = mnodeman.Find(vin);
if(pmn == NULL)
{
CMasternode mn(mnb);
mnodeman.Add(mn);
} else {
pmn->UpdateFromNewBroadcast(mnb);
}
//send to all peers
LogPrintf("CActiveMasternode::Register() - RelayElectionEntry vin = %s\n", vin.ToString());
mnb.Relay();
/*
* IT'S SAFE TO REMOVE THIS IN FURTHER VERSIONS
* AFTER MIGRATION TO V12 IS DONE
*/
if(IsSporkActive(SPORK_10_MASTERNODE_PAY_UPDATED_NODES)) return true;
// for migration purposes inject our node in old masternodes' list too
std::string retErrorMessage;
std::vector<unsigned char> vchMasterNodeSignature;
int64_t masterNodeSignatureTime = GetAdjustedTime();
std::string donationAddress = "";
int donationPercantage = 0;
std::string vchPubKey(pubKeyCollateralAddress.begin(), pubKeyCollateralAddress.end());
std::string vchPubKey2(pubKeyMasternode.begin(), pubKeyMasternode.end());
std::string strMessage = service.ToString() + boost::lexical_cast<std::string>(masterNodeSignatureTime) + vchPubKey + vchPubKey2 + boost::lexical_cast<std::string>(PROTOCOL_VERSION) + donationAddress + boost::lexical_cast<std::string>(donationPercantage);
if(!darkSendSigner.SignMessage(strMessage, retErrorMessage, vchMasterNodeSignature, keyCollateralAddress)) {
errorMessage = "dsee sign message failed: " + retErrorMessage;
LogPrintf("CActiveMasternode::Register() - Error: %s\n", errorMessage.c_str());
return false;
}
if(!darkSendSigner.VerifyMessage(pubKeyCollateralAddress, vchMasterNodeSignature, strMessage, retErrorMessage)) {
errorMessage = "dsee verify message failed: " + retErrorMessage;
LogPrintf("CActiveMasternode::Register() - Error: %s\n", errorMessage.c_str());
return false;
}
LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes)
pnode->PushMessage("dsee", vin, service, vchMasterNodeSignature, masterNodeSignatureTime, pubKeyCollateralAddress, pubKeyMasternode, -1, -1, masterNodeSignatureTime, PROTOCOL_VERSION, donationAddress, donationPercantage);
/*
* END OF "REMOVE"
*/
return true;
}
bool CActiveMasternode::GetMasterNodeVin(CTxIn& vin, CPubKey& pubkey, CKey& secretKey) {
return GetMasterNodeVin(vin, pubkey, secretKey, "", "");
}
bool CActiveMasternode::GetMasterNodeVin(CTxIn& vin, CPubKey& pubkey, CKey& secretKey, std::string strTxHash, std::string strOutputIndex) {
// Find possible candidates
vector<COutput> possibleCoins = SelectCoinsMasternode();
COutput *selectedOutput;
// Find the vin
if(!strTxHash.empty()) {
// Let's find it
uint256 txHash(strTxHash);
int outputIndex = atoi(strOutputIndex.c_str());
bool found = false;
BOOST_FOREACH(COutput& out, possibleCoins) {
if(out.tx->GetHash() == txHash && out.i == outputIndex)
{
selectedOutput = &out;
found = true;
break;
}
}
if(!found) {
LogPrintf("CActiveMasternode::GetMasterNodeVin - Could not locate valid vin\n");
return false;
}
} else {
// No output specified, Select the first one
if(possibleCoins.size() > 0) {
selectedOutput = &possibleCoins[0];
} else {
LogPrintf("CActiveMasternode::GetMasterNodeVin - Could not locate specified vin from possible list\n");
return false;
}
}
// At this point we have a selected output, retrieve the associated info
return GetVinFromOutput(*selectedOutput, vin, pubkey, secretKey);
}
// Extract Masternode vin information from output
bool CActiveMasternode::GetVinFromOutput(COutput out, CTxIn& vin, CPubKey& pubkey, CKey& secretKey) {
CScript pubScript;
vin = CTxIn(out.tx->GetHash(),out.i);
pubScript = out.tx->vout[out.i].scriptPubKey; // the inputs PubKey
CTxDestination address1;
ExtractDestination(pubScript, address1);
CBitcoinAddress address2(address1);
CKeyID keyID;
if (!address2.GetKeyID(keyID)) {
LogPrintf("CActiveMasternode::GetMasterNodeVin - Address does not refer to a key\n");
return false;
}
if (!pwalletMain->GetKey(keyID, secretKey)) {
LogPrintf ("CActiveMasternode::GetMasterNodeVin - Private key for address is not known\n");
return false;
}
pubkey = secretKey.GetPubKey();
return true;
}
// get all possible outputs for running Masternode
vector<COutput> CActiveMasternode::SelectCoinsMasternode()
{
vector<COutput> vCoins;
vector<COutput> filteredCoins;
vector<COutPoint> confLockedCoins;
TRY_LOCK(pwalletMain->cs_wallet, fWallet);
if(!fWallet) return filteredCoins; //if we can't get the lock, return nothing
// Temporary unlock MN coins from masternode.conf
if(GetBoolArg("-mnconflock", true)) {
uint256 mnTxHash;
BOOST_FOREACH(CMasternodeConfig::CMasternodeEntry mne, masternodeConfig.getEntries()) {
mnTxHash.SetHex(mne.getTxHash());
COutPoint outpoint = COutPoint(mnTxHash, atoi(mne.getOutputIndex().c_str()));
confLockedCoins.push_back(outpoint);
pwalletMain->UnlockCoin(outpoint);
}
}
// Retrieve all possible outputs
pwalletMain->AvailableCoins(vCoins);
// Lock MN coins from masternode.conf back if they where temporary unlocked
if(!confLockedCoins.empty()) {
BOOST_FOREACH(COutPoint outpoint, confLockedCoins)
pwalletMain->LockCoin(outpoint);
}
// Filter
BOOST_FOREACH(const COutput& out, vCoins)
{
if(out.tx->vout[out.i].nValue == 1000*COIN) { //exactly
filteredCoins.push_back(out);
}
}
return filteredCoins;
}
// when starting a Masternode, this can enable to run as a hot wallet with no funds
bool CActiveMasternode::EnableHotColdMasterNode(CTxIn& newVin, CService& newService)
{
if(!fMasterNode) return false;
status = ACTIVE_MASTERNODE_STARTED;
//The values below are needed for signing mnping messages going forward
vin = newVin;
service = newService;
LogPrintf("CActiveMasternode::EnableHotColdMasterNode() - Enabled! You may shut down the cold daemon.\n");
return true;
}