diff --git a/configure.ac b/configure.ac
index 1e22dca7a..64e4ecb41 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ AC_PREREQ([2.60])
 define(_CLIENT_VERSION_MAJOR, 0)
 define(_CLIENT_VERSION_MINOR, 11)
 define(_CLIENT_VERSION_REVISION, 0)
-define(_CLIENT_VERSION_BUILD, 3)
+define(_CLIENT_VERSION_BUILD, 4)
 define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2015)
 AC_INIT([Darkcoin Core],[_CLIENT_VERSION_MAJOR._CLIENT_VERSION_MINOR._CLIENT_VERSION_REVISION],[info@darkcoin.io],[darkcoin])
diff --git a/src/activemasternode.cpp b/src/activemasternode.cpp
index f008e8f36..ef047a0f2 100644
--- a/src/activemasternode.cpp
+++ b/src/activemasternode.cpp
@@ -302,8 +302,7 @@ bool CActiveMasternode::GetMasterNodeVin(CTxIn& vin, CPubKey& pubkey, CKey& secr
 	if(!strTxHash.empty()) {
 		// Let's find it
 		uint256 txHash(strTxHash);
-		int outputIndex = 0;
-		outputIndex = boost::lexical_cast<int>(outputIndex);
+        int outputIndex = boost::lexical_cast<int>(strOutputIndex);
 		bool found = false;
 		BOOST_FOREACH(COutput& out, possibleCoins) {
 			if(out.tx->GetHash() == txHash && out.i == outputIndex)
diff --git a/src/clientversion.h b/src/clientversion.h
index b355f6c05..bd10b9c50 100644
--- a/src/clientversion.h
+++ b/src/clientversion.h
@@ -13,7 +13,7 @@
 #define CLIENT_VERSION_MAJOR       0
 #define CLIENT_VERSION_MINOR       11
 #define CLIENT_VERSION_REVISION    0
-#define CLIENT_VERSION_BUILD       3
+#define CLIENT_VERSION_BUILD       4
 
 
 
diff --git a/src/core.h b/src/core.h
index 8124b39a5..30d9fc9d4 100644
--- a/src/core.h
+++ b/src/core.h
@@ -12,7 +12,7 @@
 
 #include <stdint.h>
 
-#define START_MASTERNODE_PAYMENTS_TESTNET 1403568776 //Tue, 24 Jun 2014 00:12:56 GMT
+#define START_MASTERNODE_PAYMENTS_TESTNET 1420837558 //Fri, 09 Jan 2015 21:05:58 GMT
 #define START_MASTERNODE_PAYMENTS 1403728576 //Wed, 25 Jun 2014 20:36:16 GMT
 
 static const int64_t DARKSEND_COLLATERAL = (0.1*COIN);
@@ -181,7 +181,7 @@ public:
         // to spend something, then we consider it dust.
         // A typical txout is 34 bytes big, and will
         // need a CTxIn of at least 148 bytes to spend,
-        // so dust is a txout less than 546 satoshis 
+        // so dust is a txout less than 546 satoshis
         // with default nMinRelayTxFee.
         return ((nValue*1000)/(3*((int)GetSerializeSize(SER_DISK,0)+148)) < nMinRelayTxFee);
     }
diff --git a/src/darksend.cpp b/src/darksend.cpp
index b770299e7..f488d36f3 100644
--- a/src/darksend.cpp
+++ b/src/darksend.cpp
@@ -435,6 +435,7 @@ int GetInputDarksendRounds(CTxIn in, int rounds)
 void CDarkSendPool::Reset(){
     cachedLastSuccess = 0;
     vecMasternodesUsed.clear();
+    UnlockCoins();
     SetNull();
 }
 
@@ -756,6 +757,15 @@ void CDarkSendPool::ChargeRandomFees(){
         BOOST_FOREACH(const CTransaction& txCollateral, vecSessionCollateral) {
             int r = rand()%1000;
 
+            /*
+                Collateral Fee Charges:
+
+                Being that DarkSend has "no fees" we need to have some kind of cost associated
+                with using it to stop abuse. Otherwise it could serve as an attack vector and
+                allow endless transaction that would bloat Darkcoin and make it unusable. To
+                stop these kinds of attacks 1 in 50 successful transactions are charged. This
+                adds up to a cost of 0.002DRK per transaction on average.
+            */
             if(r <= 20)
             {
                 LogPrintf("CDarkSendPool::ChargeRandomFees -- charging random fees. %u\n", i);
@@ -1519,7 +1529,7 @@ bool CDarkSendPool::DoAutomaticDenominating(bool fDryRun, bool ready)
         if(sessionTotalValue > maxAmount*COIN) sessionTotalValue = maxAmount*COIN;
 
         double fDarkcoinSubmitted = (sessionTotalValue / CENT);
-        LogPrintf("Submiting Darksend for %f DRK CENT\n", fDarkcoinSubmitted);
+        LogPrintf("Submitting Darksend for %f DRK CENT\n", fDarkcoinSubmitted);
 
         if(pwalletMain->GetDenominatedBalance(true, true) > 0){ //get denominated unconfirmed inputs
             LogPrintf("DoAutomaticDenominating -- Found unconfirmed denominated outputs, will wait till they confirm to continue.\n");
@@ -1666,6 +1676,8 @@ bool CDarkSendPool::DoAutomaticDenominating(bool fDryRun, bool ready)
     if(!ready) return true;
 
     if(sessionDenom == 0) return true;
+
+    return false;
 }
 
 
diff --git a/src/main.cpp b/src/main.cpp
index 7808c61ce..4e083ceb4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1052,10 +1052,6 @@ bool AcceptableInputs(CTxMemPool& pool, CValidationState &state, const CTransact
             CCoinsViewMemPool viewMemPool(*pcoinsTip, pool);
             view.SetBackend(viewMemPool);
 
-            // do we already have it?
-            if (view.HaveCoins(hash))
-                return false;
-
             // do all inputs exist?
             // Note that this does not check for the presence of actual outputs (see the next check for that),
             // only helps filling in pfMissingInputs (to determine missing vs spent).
@@ -2918,7 +2914,7 @@ bool CheckBlock(const CBlock& block, CValidationState& state, bool fCheckPOW, bo
                         CBitcoinAddress address2(address1);
 
                         LogPrintf("CheckBlock() : Couldn't find masternode payment(%d|%d) or payee(%d|%s) nHeight %d. \n", foundPaymentAmount, masternodePaymentAmount, foundPayee, address2.ToString().c_str(), chainActive.Tip()->nHeight+1);
-                        if(!TestNet() && !RegTest()) return state.DoS(100, error("CheckBlock() : Couldn't find masternode payment or payee"));
+                        if(!RegTest()) return state.DoS(100, error("CheckBlock() : Couldn't find masternode payment or payee"));
                     }
                 }
             } else {
diff --git a/src/masternodeconfig.cpp b/src/masternodeconfig.cpp
index 5dbfdf1c1..12afcce2f 100644
--- a/src/masternodeconfig.cpp
+++ b/src/masternodeconfig.cpp
@@ -1,3 +1,5 @@
+
+#include "net.h"
 #include "masternodeconfig.h"
 #include "util.h"
 
@@ -26,6 +28,13 @@ bool CMasternodeConfig::read(boost::filesystem::path path, std::string& strErr)
             streamConfig.close();
             return false;
         }
+
+        if(CService(ip).GetPort() != 19999 && CService(ip).GetPort() != 9999)  {
+            strErr = "Invalid port (must be 9999 for mainnet or 19999 for testnet) detected in masternode.conf: " + line;
+            streamConfig.close();
+            return false;
+        }
+
         add(alias, ip, privKey, txHash, outputIndex);
     }
 
diff --git a/src/qt/overviewpage.cpp b/src/qt/overviewpage.cpp
index 633cb9f3b..1dc012fdc 100644
--- a/src/qt/overviewpage.cpp
+++ b/src/qt/overviewpage.cpp
@@ -261,6 +261,13 @@ void OverviewPage::updateDarksendProgress(){
     int64_t nValueMin = 0.01*COIN;
     int64_t nValueIn = 0;
 
+    if(pwalletMain->GetDenominatedBalance(true, true) > 0){ //get denominated unconfirmed inputs
+        QString s("Found unconfirmed denominated outputs, will wait till they confirm to recalculate.");
+        ui->darksendProgress->setToolTip(s);
+        return;
+    }
+
+
     // Calculate total mixable funds
     if (!pwalletMain->SelectCoinsDark(nValueMin, 999999*COIN, vCoins, nValueIn, -2, 10)) {
         ui->darksendProgress->setValue(0);
@@ -270,14 +277,17 @@ void OverviewPage::updateDarksendProgress(){
     }
     double nTotalValue = pwalletMain->GetTotalValue(vCoins)/CENT;
 
-    //Get average rounds of inputs
-    double a = (double)pwalletMain->GetAverageAnonymizedRounds() / (double)nDarksendRounds;
     //Get the anon threshold
     double max = nAnonymizeDarkcoinAmount*100;
     //If it's more than the wallet amount, limit to that.
     if(max > (double)nTotalValue) max = (double)nTotalValue;
     //denominated balance / anon threshold -- the percentage that we've completed
     double b = ((double)(pwalletMain->GetDenominatedBalance()/CENT) / max);
+    if(b > 1) b = 1;
+
+    //Get average rounds of inputs
+    double a = (double)pwalletMain->GetAverageAnonymizedRounds() / (double)nDarksendRounds;
+    if(a > 1) a = 1;
 
     double val = a*b*100;
     if(val < 0) val = 0;
diff --git a/src/qt/transactionrecord.cpp b/src/qt/transactionrecord.cpp
index 645928585..4773224c5 100644
--- a/src/qt/transactionrecord.cpp
+++ b/src/qt/transactionrecord.cpp
@@ -85,6 +85,23 @@ QList<TransactionRecord> TransactionRecord::decomposeTransaction(const CWallet *
 
         if (fAllFromMe && fAllToMe)
         {
+
+            for (unsigned int nOut = 0; nOut < wtx.vout.size(); nOut++)
+            {
+                const CTxOut& txout = wtx.vout[nOut];
+                TransactionRecord sub(hash, nTime);
+                sub.idx = parts.size();
+
+                if(txout.nValue == (DARKSEND_COLLATERAL*2)+DARKSEND_FEE ||
+                    txout.nValue == (DARKSEND_COLLATERAL*2)+DARKSEND_FEE ||
+                    txout.nValue == (DARKSEND_COLLATERAL*3)+DARKSEND_FEE ||
+                    txout.nValue == (DARKSEND_COLLATERAL*4)+DARKSEND_FEE ||
+                    txout.nValue == (DARKSEND_COLLATERAL*5)+DARKSEND_FEE
+                    ) {
+                    sub.type = TransactionRecord::DarksendSplitUpLarge;
+                }
+            }
+
             // Payment to self
             int64_t nChange = wtx.GetChange();
 
@@ -125,6 +142,17 @@ QList<TransactionRecord> TransactionRecord::decomposeTransaction(const CWallet *
                     sub.address = mapValue["to"];
                 }
 
+                if(wtx.IsDenominated()){
+                    sub.type = TransactionRecord::Darksent;
+                }
+
+                if(txout.nValue == DARKSEND_COLLATERAL){
+                    sub.type = TransactionRecord::DarksendCollateralPayment;
+                }
+                if(txout.nValue == DARKSEND_COLLATERAL*5){
+                    sub.type = TransactionRecord::DarksendSplitUpLarge;
+                }
+
                 int64_t nValue = txout.nValue;
                 /* Add fee to first output */
                 if (nTxFee > 0)
@@ -142,7 +170,18 @@ QList<TransactionRecord> TransactionRecord::decomposeTransaction(const CWallet *
             //
             // Mixed debit transaction, can't break down payees
             //
-            parts.append(TransactionRecord(hash, nTime, TransactionRecord::Other, "", nNet, 0));
+            bool isDarksent = false;
+
+            for (unsigned int nOut = 0; nOut < wtx.vout.size(); nOut++)
+            {
+                const CTxOut& txout = wtx.vout[nOut];
+
+                BOOST_FOREACH(int64_t d, darkSendDenominations)
+                    if(txout.nValue == d)
+                        isDarksent = true;
+            }
+
+            parts.append(TransactionRecord(hash, nTime, isDarksent ? TransactionRecord::DarksendDenominate : TransactionRecord::Other, "", nNet, 0));
         }
     }
 
diff --git a/src/qt/transactionrecord.h b/src/qt/transactionrecord.h
index af6fd403b..e7d008dcf 100644
--- a/src/qt/transactionrecord.h
+++ b/src/qt/transactionrecord.h
@@ -75,7 +75,12 @@ public:
         SendToOther,
         RecvWithAddress,
         RecvFromOther,
-        SendToSelf
+        SendToSelf,
+        RecvWithDarksend,
+        DarksendDenominate,
+        DarksendCollateralPayment,
+        DarksendSplitUpLarge,
+        Darksent
     };
 
     /** Number of confirmation recommended for accepting a transaction */
diff --git a/src/qt/transactiontablemodel.cpp b/src/qt/transactiontablemodel.cpp
index 8cf2b0a1b..dff083c1e 100644
--- a/src/qt/transactiontablemodel.cpp
+++ b/src/qt/transactiontablemodel.cpp
@@ -356,6 +356,8 @@ QString TransactionTableModel::formatTxType(const TransactionRecord *wtx) const
         return tr("Received with");
     case TransactionRecord::RecvFromOther:
         return tr("Received from");
+    case TransactionRecord::RecvWithDarksend:
+        return tr("Received via Darksend");
     case TransactionRecord::SendToAddress:
     case TransactionRecord::SendToOther:
         return tr("Sent to");
@@ -363,6 +365,16 @@ QString TransactionTableModel::formatTxType(const TransactionRecord *wtx) const
         return tr("Payment to yourself");
     case TransactionRecord::Generated:
         return tr("Mined");
+
+    case TransactionRecord::DarksendDenominate:
+        return tr("Darksend Denominate");
+    case TransactionRecord::DarksendCollateralPayment:
+        return tr("Darksend Collateral Payment");
+    case TransactionRecord::DarksendSplitUpLarge:
+        return tr("Darksend Split Up Large Inputs");
+    case TransactionRecord::Darksent:
+        return tr("Darksent");
+
     default:
         return QString();
     }
@@ -374,6 +386,7 @@ QVariant TransactionTableModel::txAddressDecoration(const TransactionRecord *wtx
     {
     case TransactionRecord::Generated:
         return QIcon(":/icons/tx_mined");
+    case TransactionRecord::RecvWithDarksend:
     case TransactionRecord::RecvWithAddress:
     case TransactionRecord::RecvFromOther:
         return QIcon(":/icons/tx_input");
@@ -393,8 +406,10 @@ QString TransactionTableModel::formatTxToAddress(const TransactionRecord *wtx, b
     case TransactionRecord::RecvFromOther:
         return QString::fromStdString(wtx->address);
     case TransactionRecord::RecvWithAddress:
+    case TransactionRecord::RecvWithDarksend:
     case TransactionRecord::SendToAddress:
     case TransactionRecord::Generated:
+    case TransactionRecord::Darksent:
         return lookupAddress(wtx->address, tooltip);
     case TransactionRecord::SendToOther:
         return QString::fromStdString(wtx->address);
diff --git a/src/qt/transactionview.cpp b/src/qt/transactionview.cpp
index d4d29416c..46316773b 100644
--- a/src/qt/transactionview.cpp
+++ b/src/qt/transactionview.cpp
@@ -78,6 +78,8 @@ TransactionView::TransactionView(QWidget *parent) :
                                         TransactionFilterProxy::TYPE(TransactionRecord::RecvFromOther));
     typeWidget->addItem(tr("Sent to"), TransactionFilterProxy::TYPE(TransactionRecord::SendToAddress) |
                                   TransactionFilterProxy::TYPE(TransactionRecord::SendToOther));
+    typeWidget->addItem(tr("Darksent"), TransactionFilterProxy::TYPE(TransactionRecord::Darksent));
+    typeWidget->addItem(tr("Darksend Denominate"), TransactionFilterProxy::TYPE(TransactionRecord::DarksendDenominate));
     typeWidget->addItem(tr("To yourself"), TransactionFilterProxy::TYPE(TransactionRecord::SendToSelf));
     typeWidget->addItem(tr("Mined"), TransactionFilterProxy::TYPE(TransactionRecord::Generated));
     typeWidget->addItem(tr("Other"), TransactionFilterProxy::TYPE(TransactionRecord::Other));
diff --git a/src/rpcmining.cpp b/src/rpcmining.cpp
index 3e276d195..bbbbdf1ea 100644
--- a/src/rpcmining.cpp
+++ b/src/rpcmining.cpp
@@ -5,6 +5,7 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "rpcserver.h"
+#include "base58.h"
 #include "chainparams.h"
 #include "init.h"
 #include "net.h"
@@ -456,6 +457,9 @@ Value getblocktemplate(const Array& params, bool fHelp)
             "  \"curtime\" : ttt,                  (numeric) current timestamp in seconds since epoch (Jan 1 1970 GMT)\n"
             "  \"bits\" : \"xxx\",                 (string) compressed target of next block\n"
             "  \"height\" : n                      (numeric) The height of the next block\n"
+            "  \"payee\" : required payee\n"
+            "  \"payee_amount\" : required amount to pay\n"
+            "  \"votes\" : show vote candidates for this block\n"
             "}\n"
 
             "\nExamples:\n"
@@ -570,6 +574,8 @@ Value getblocktemplate(const Array& params, bool fHelp)
         aMutable.push_back("prevblock");
     }
 
+    Array aVotes;
+
     Object result;
     result.push_back(Pair("version", pblock->nVersion));
     result.push_back(Pair("previousblockhash", pblock->hashPrevBlock.GetHex()));
@@ -585,6 +591,31 @@ Value getblocktemplate(const Array& params, bool fHelp)
     result.push_back(Pair("curtime", (int64_t)pblock->nTime));
     result.push_back(Pair("bits", HexBits(pblock->nBits)));
     result.push_back(Pair("height", (int64_t)(pindexPrev->nHeight+1)));
+    result.push_back(Pair("votes", aVotes));
+
+
+    if(pblock->payee != CScript()){
+        CTxDestination address1;
+        ExtractDestination(pblock->payee, address1);
+        CBitcoinAddress address2(address1);
+        result.push_back(Pair("payee", address2.ToString().c_str()));
+        result.push_back(Pair("payee_amount", (int64_t)GetMasternodePayment(pindexPrev->nHeight+1, pblock->vtx[0].GetValueOut())));
+    } else {
+        result.push_back(Pair("payee", ""));
+        result.push_back(Pair("payee_amount", ""));
+    }
+
+    bool MasternodePayments = false;
+
+    if(TestNet()){
+        if(pblock->nTime > START_MASTERNODE_PAYMENTS_TESTNET) MasternodePayments = true;
+    } else {
+        if(pblock->nTime > START_MASTERNODE_PAYMENTS) MasternodePayments = true;
+    }
+
+
+    result.push_back(Pair("masternode_payments", MasternodePayments));
+    result.push_back(Pair("enforce_masternode_payments", true));
 
     return result;
 }
diff --git a/src/rpcmisc.cpp b/src/rpcmisc.cpp
index afec75c97..b8b5fb8dd 100644
--- a/src/rpcmisc.cpp
+++ b/src/rpcmisc.cpp
@@ -39,6 +39,7 @@ Value getinfo(const Array& params, bool fHelp)
             "  \"protocolversion\": xxxxx,   (numeric) the protocol version\n"
             "  \"walletversion\": xxxxx,     (numeric) the wallet version\n"
             "  \"balance\": xxxxxxx,         (numeric) the total darkcoin balance of the wallet\n"
+            "  \"darksend_balance\": xxxxxx, (numeric) the anonymized darkcoin balance of the wallet\n"
             "  \"blocks\": xxxxxx,           (numeric) the current number of blocks processed in the server\n"
             "  \"timeoffset\": xxxxx,        (numeric) the time offset\n"
             "  \"connections\": xxxxx,       (numeric) the number of connections\n"
@@ -67,6 +68,7 @@ Value getinfo(const Array& params, bool fHelp)
     if (pwalletMain) {
         obj.push_back(Pair("walletversion", pwalletMain->GetVersion()));
         obj.push_back(Pair("balance",       ValueFromAmount(pwalletMain->GetBalance())));
+        obj.push_back(Pair("darksend_balance",       ValueFromAmount(pwalletMain->GetAnonymizedBalance())));
     }
 #endif
     obj.push_back(Pair("blocks",        (int)chainActive.Height()));
diff --git a/src/wallet.cpp b/src/wallet.cpp
index 7ff8b0046..1b57485d8 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -1068,6 +1068,7 @@ double CWallet::GetAverageAnonymizedRounds() const
         for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
         {
             const CWalletTx* pcoin = &(*it).second;
+
             for (unsigned int i = 0; i < pcoin->vout.size(); i++) {
 
                 COutput out = COutput(pcoin, i, pcoin->GetDepthInMainChain());
@@ -1096,26 +1097,27 @@ int64_t CWallet::GetDenominatedBalance(bool onlyDenom, bool onlyUnconfirmed) con
         {
             const CWalletTx* pcoin = &(*it).second;
 
-            bool isDenom = false;
             for (unsigned int i = 0; i < pcoin->vout.size(); i++)
-                BOOST_FOREACH(int64_t d, darkSendDenominations)
-                    if(pcoin->vout[i].nValue == d)
-                        isDenom = true;
+            {
+                COutput out = COutput(pcoin, i, pcoin->GetDepthInMainChain());
+                CTxIn vin = CTxIn(out.tx->GetHash(), out.i);
 
-            if(onlyUnconfirmed){
-                if (!pcoin->IsTrusted()){
-                    if(onlyDenom == isDenom){
-                        nTotal += pcoin->GetAvailableCredit();
-                    }
-                }
-            } else if (pcoin->IsTrusted()) {
-                if(onlyDenom == isDenom) {
-                    nTotal += pcoin->GetAvailableCredit();
-                }
+                bool unconfirmed = (!IsFinalTx(*pcoin) || (!pcoin->IsTrusted() && pcoin->GetDepthInMainChain() == 0));
+
+                if(IsSpent(out.tx->GetHash(), i)) continue;
+                if(!IsMine(pcoin->vout[i])) continue;
+                if(onlyUnconfirmed != unconfirmed) continue;
+
+                int rounds = GetInputDarksendRounds(vin);
+                if(onlyDenom != (rounds>=0)) continue;
+
+                nTotal += pcoin->vout[i].nValue;
             }
         }
     }
 
+
+
     return nTotal;
 }