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