diff --git a/src/cc/CCassets.h b/src/cc/CCassets.h
index a48195970..67bed7941 100644
--- a/src/cc/CCassets.h
+++ b/src/cc/CCassets.h
@@ -35,7 +35,7 @@ CScript EncodeAssetOpRet(uint8_t funcid,uint256 assetid,uint256 assetid2,int64_t
 bool DecodeAssetCreateOpRet(const CScript &scriptPubKey,std::vector<uint8_t> &origpubkey,std::string &name,std::string &description);
 uint8_t DecodeAssetOpRet(const CScript &scriptPubKey,uint256 &assetid,uint256 &assetid2,int64_t &price,std::vector<uint8_t> &origpubkey);
 bool SetAssetOrigpubkey(std::vector<uint8_t> &origpubkey,int64_t &price,const CTransaction &tx);
-int64_t IsAssetvout(int64_t &price,std::vector<uint8_t> &origpubkey,const CTransaction& tx,int32_t v,uint256 refassetid);
+int64_t IsAssetvout(int32_t maxAssetExactAmountDepth, struct CCcontract_info *cp, Eval* eval, int64_t &price,std::vector<uint8_t> &origpubkey,const CTransaction& tx,int32_t v,uint256 refassetid);
 bool ValidateBidRemainder(int64_t remaining_price,int64_t remaining_nValue,int64_t orig_nValue,int64_t received_nValue,int64_t paidprice,int64_t totalprice);
 bool ValidateAskRemainder(int64_t remaining_price,int64_t remaining_nValue,int64_t orig_nValue,int64_t received_nValue,int64_t paidprice,int64_t totalprice);
 bool ValidateSwapRemainder(int64_t remaining_price,int64_t remaining_nValue,int64_t orig_nValue,int64_t received_nValue,int64_t paidprice,int64_t totalprice);
@@ -44,7 +44,8 @@ bool SetAskFillamounts(int64_t &paid,int64_t &remaining_price,int64_t orig_nValu
 bool SetSwapFillamounts(int64_t &paid,int64_t &remaining_price,int64_t orig_nValue,int64_t &received,int64_t totalprice);
 int64_t AssetValidateBuyvin(struct CCcontract_info *cp,Eval* eval,int64_t &tmpprice,std::vector<uint8_t> &tmporigpubkey,char *CCaddr,char *origaddr,const CTransaction &tx,uint256 refassetid);
 int64_t AssetValidateSellvin(struct CCcontract_info *cp,Eval* eval,int64_t &tmpprice,std::vector<uint8_t> &tmporigpubkey,char *CCaddr,char *origaddr,const CTransaction &tx,uint256 assetid);
-bool AssetExactAmounts(struct CCcontract_info *cp,int64_t &inputs,int32_t starti,int64_t &outputs,Eval* eval,const CTransaction &tx,uint256 assetid);
+bool AssetExactAmounts(int32_t maxDepth, struct CCcontract_info *cp,int64_t &inputs,int32_t starti,int64_t &outputs,Eval* eval,const CTransaction &tx,uint256 assetid);
+//bool AssetExactAmounts(bool doValidateTx, struct CCcontract_info *cp, int64_t &inputs, int32_t starti, int64_t &outputs, Eval* eval, const CTransaction &tx, uint256 assetid, std::vector<CTransaction> &ccVinsTxs);
 
 // CCassetstx
 int64_t GetAssetBalance(CPubKey pk,uint256 tokenid);
diff --git a/src/cc/CCassetsCore.cpp b/src/cc/CCassetsCore.cpp
index c9b975c3c..3fce95f0c 100644
--- a/src/cc/CCassetsCore.cpp
+++ b/src/cc/CCassetsCore.cpp
@@ -342,25 +342,54 @@ bool GetAssetorigaddrs(struct CCcontract_info *cp,char *CCaddr,char *destaddr,co
     else return(false);
 }
 
-int64_t IsAssetvout(int64_t &price,std::vector<uint8_t> &origpubkey,const CTransaction& tx,int32_t v,uint256 refassetid)
+
+// Checks if the vout is a really Asset CC vout
+// if maxAssetExactAmountDepth > 0, it also validates the vin transaction itself: 
+// it should be either sum(cc vins) == sum(cc vouts) or the transaction is the 'tokenbase' ('c') tx
+int64_t IsAssetvout(int32_t maxAssetExactAmountDepth, struct CCcontract_info *cp, Eval* eval, int64_t &price,std::vector<uint8_t> &origpubkey,const CTransaction& tx,int32_t v,uint256 refassetid)
 {
     uint256 assetid,assetid2; int64_t nValue=0; int32_t n; uint8_t funcid;
+
     if ( tx.vout[v].scriptPubKey.IsPayToCryptoCondition() != 0 ) // maybe check address too?
     {
-        n = tx.vout.size();
+
+		if (maxAssetExactAmountDepth > 0) {
+			//validate all tx
+			int64_t myCCVinsAmount = 0, myCCVoutsAmount = 0;
+			std::vector<CTransaction> ccVinsTxs;
+			
+			//std::cerr << "IsAssetvout() validate=yes" << std::endl;
+			const bool validateVinTxs = false;
+			bool isEqualAmounts = AssetExactAmounts(maxAssetExactAmountDepth, cp, myCCVinsAmount, 0, myCCVoutsAmount, eval, tx, refassetid);
+			
+			// if ccInputs != ccOutputs and it is not the tokenbase tx means it is possibly fake tx (dimxy):
+			if (!isEqualAmounts && refassetid != tx.GetHash()) {	// checking that this is the true tokenbase tx, by verifying that funcid=c, is done further in this function (dimxy)
+				std::cerr << "IsAssetvout() detected bad tx=" << tx.GetHash().GetHex() << ": cc inputs != cc outputs and not the 'tokenbase' tx" << std::endl;
+				return 0;
+			}
+		}
+
+
+		n = tx.vout.size();
+		if (v >= n - 1) {  // just moved this up (dimxy)
+			std::cerr << "isAssetVout() internal err: (v >= n - 1), returning 0" << std::endl;
+			return(0);
+		}
         nValue = tx.vout[v].nValue;
-        //fprintf(stderr,"CC vout v.%d of n.%d %.8f\n",v,n,(double)nValue/COIN);
-        if ( v >= n-1 )
-            return(0);
+
+        // fprintf(stderr,"IsAssetvout() CC vout v.%d of n=%d amount=%.8f\n",v,n,(double)nValue/COIN);
+
         if ( (funcid= DecodeAssetOpRet(tx.vout[n-1].scriptPubKey,assetid,assetid2,price,origpubkey)) == 0 )
         {
-            fprintf(stderr,"null decodeopret v.%d\n",v);
+            fprintf(stderr,"IsAssetvout() null decodeopret v.%d\n",v);
             return(0);
         }
         else if ( funcid == 'c' )
         {
-            if ( refassetid == tx.GetHash() && v == 0 )
-                return(nValue);
+			if (refassetid == tx.GetHash() && v == 0) {
+				std::cerr << "isAssetVout() this is the tokenbase 'c' tx, txid=" << tx.GetHash().GetHex() << " returning nValue=" << nValue << std::endl;
+				return(nValue);
+			}
         }
         else if ( (funcid == 'b' || funcid == 'B') && v == 0 ) // critical! 'b'/'B' vout0 is NOT asset
             return(0);
@@ -368,7 +397,7 @@ int64_t IsAssetvout(int64_t &price,std::vector<uint8_t> &origpubkey,const CTrans
         {
             if ( assetid == refassetid )
             {
-                //fprintf(stderr,"returning %.8f\n",(double)nValue/COIN);
+                fprintf(stderr,"IsAssetvout() returning %.8f\n",(double)nValue/COIN);
                 return(nValue);
             }
         }
@@ -443,29 +472,37 @@ int64_t AssetValidateSellvin(struct CCcontract_info *cp,Eval* eval,int64_t &tmpp
     fprintf(stderr,"AssetValidateSellvin\n");
     if ( (nValue= AssetValidateCCvin(cp,eval,CCaddr,origaddr,tx,1,vinTx)) == 0 )
         return(0);
-    if ( (assetoshis= IsAssetvout(tmpprice,tmporigpubkey,vinTx,0,assetid)) == 0 )
+    if ( (assetoshis= IsAssetvout(1, cp, NULL, tmpprice,tmporigpubkey,vinTx,0,assetid)) == 0 )
         return eval->Invalid("invalid missing CC vout0 for sellvin");
     else return(assetoshis);
 }
 
-bool AssetExactAmounts(struct CCcontract_info *cp,int64_t &inputs,int32_t starti,int64_t &outputs,Eval* eval,const CTransaction &tx,uint256 assetid)
+
+// overload with additional params for deep tx validation (dimxy)
+bool AssetExactAmounts(int maxDepth, struct CCcontract_info *cp, int64_t &inputs, int32_t starti, int64_t &outputs, Eval* eval, const CTransaction &tx, uint256 assetid)
 {
     CTransaction vinTx; uint256 hashBlock,id,id2; int32_t i,flag,numvins,numvouts; int64_t assetoshis; std::vector<uint8_t> tmporigpubkey; int64_t tmpprice;
     numvins = tx.vin.size();
     numvouts = tx.vout.size();
     inputs = outputs = 0;
+
+	maxDepth--;
+
     for (i=starti; i<numvins; i++)
     {
         if ( (*cp->ismyvin)(tx.vin[i].scriptSig) != 0 )
-        {
-            if ( eval->GetTxUnconfirmed(tx.vin[i].prevout.hash,vinTx,hashBlock) == 0 )
+        {		
+			//std::cerr << "AssetExactAmounts() eval is true=" << (eval != NULL) << " ismyvin=ok for_i=" << i << std::endl;
+																				                // we are really not inside validation! -- dimxy
+            if ( (eval && eval->GetTxUnconfirmed(tx.vin[i].prevout.hash,vinTx,hashBlock) == 0) || (!eval && !myGetTransaction(tx.vin[i].prevout.hash, vinTx, hashBlock)) )
             {
-                fprintf(stderr,"i.%d starti.%d numvins.%d\n",i,starti,numvins);
-                return eval->Invalid("always should find vin, but didnt");
-            }
-            else if ( (assetoshis= IsAssetvout(tmpprice,tmporigpubkey,vinTx,tx.vin[i].prevout.n,assetid)) != 0 )
+                fprintf(stderr,"AssetExactAmounts() cannot read vintx i.%d starti.%d numvins.%d\n", i,starti,numvins);
+                return (!eval) ? false : eval->Invalid("always should find vin, but didnt");
+
+            }								// false means 'don't go deeper' -- dimxy  
+            else if ( (assetoshis= IsAssetvout( maxDepth, cp, eval, tmpprice,tmporigpubkey,vinTx,tx.vin[i].prevout.n,assetid)) != 0 )
             {
-                fprintf(stderr,"vin%d %llu, ",i,(long long)assetoshis);
+                fprintf(stderr,"AssetExactAmounts() vin%d %llu, ",i,(long long)assetoshis);
                 inputs += assetoshis;
             }
             else
@@ -473,33 +510,47 @@ bool AssetExactAmounts(struct CCcontract_info *cp,int64_t &inputs,int32_t starti
                 if ( vinTx.vout[i].scriptPubKey.IsPayToCryptoCondition() != 0 && DecodeAssetOpRet(vinTx.vout[vinTx.vout.size()-1].scriptPubKey,id,id2,tmpprice,tmporigpubkey) == 't' && id == assetid )
                 {
                     assetoshis = vinTx.vout[i].nValue;
-                    fprintf(stderr,"vin%d %llu special case, ",i,(long long)assetoshis);
+                    fprintf(stderr,"AssetExactAmounts() vin%d assetoshis=%llu special case, ",i,(long long)assetoshis);
                     inputs += assetoshis;
                 }
             }
         }
     }
+
+
     if ( DecodeAssetOpRet(tx.vout[tx.vout.size()-1].scriptPubKey,id,id2,tmpprice,tmporigpubkey) == 't' && id == assetid )
         flag = 1;
     else flag = 0;
+
     for (i=0; i<numvouts; i++)
-    {
-        if ( (assetoshis= IsAssetvout(tmpprice,tmporigpubkey,tx,i,assetid)) != 0 )
+    {					     	  // 'false' means 'dont go deep' -- dimxy
+        if ( (assetoshis= IsAssetvout(maxDepth, cp, eval, tmpprice,tmporigpubkey,tx,i,assetid)) != 0 )
         {
-            fprintf(stderr,"vout%d %llu, ",i,(long long)assetoshis);
+            fprintf(stderr,"AssetExactAmounts() vout%d assetoshis=%llu, ",i,(long long)assetoshis);
             outputs += assetoshis;
         }
+		// Note: account it only if this is 'transfer' tx  -- dimxy
         else if ( flag != 0 && tx.vout[i].scriptPubKey.IsPayToCryptoCondition() != 0 )
         {
             assetoshis = tx.vout[i].nValue;
-            fprintf(stderr,"vout%d %llu special case, ",i,(long long)assetoshis);
+            fprintf(stderr,"AssetExactAmounts() vout%d assetoshis=%llu special case, ",i,(long long)assetoshis);
             outputs += assetoshis;
         }
     }
+
+	//std::cerr << "AssetExactAmounts() inputs=" << inputs << " outputs=" << outputs << " for txid=" << tx.GetHash().GetHex() << std::endl;
+
     if ( inputs != outputs )
     {
-        fprintf(stderr,"inputs %.8f vs %.8f outputs\n",(double)inputs/COIN,(double)outputs/COIN);
+        std::cerr << "AssetExactAmounts() incorrect inputs=" << (double)inputs / COIN << " vs outputs=" << (double)outputs/COIN << " for txid=" << tx.GetHash().GetHex() << std::endl;
         return(false);
     }
     else return(true);
 }
+
+// overload for existing calls of this function (dimxy)
+/*bool AssetExactAmounts(struct CCcontract_info *cp, int64_t &inputs, int32_t starti, int64_t &outputs, Eval* eval, const CTransaction &tx, uint256 assetid) {
+	std::vector<CTransaction> ccVinsTxs;
+
+	return AssetExactAmounts(true, cp, inputs, starti, outputs, eval, tx, assetid);
+}*/
\ No newline at end of file
diff --git a/src/cc/CCassetstx.cpp b/src/cc/CCassetstx.cpp
index ef208f87c..f96170267 100644
--- a/src/cc/CCassetstx.cpp
+++ b/src/cc/CCassetstx.cpp
@@ -38,19 +38,22 @@ int64_t AddAssetInputs(struct CCcontract_info *cp,CMutableTransaction &mtx,CPubK
             Getscriptaddress(destaddr,vintx.vout[vout].scriptPubKey);
             if ( strcmp(destaddr,coinaddr) != 0 && strcmp(destaddr,cp->unspendableCCaddr) != 0 && strcmp(destaddr,cp->unspendableaddr2) != 0 )
                 continue;
-            fprintf(stderr,"check %s %.8f\n",destaddr,(double)vintx.vout[vout].nValue/COIN);
-            if ( (nValue= IsAssetvout(price,origpubkey,vintx,vout,assetid)) > 0 && myIsutxo_spentinmempool(txid,vout) == 0 )
+            fprintf(stderr,"AddAssetInputs() check destaddress=%s vout amount=%.8f\n",destaddr,(double)vintx.vout[vout].nValue/COIN);
+            if ( (nValue= IsAssetvout(1, cp, NULL, price,origpubkey,vintx,vout,assetid)) > 0 && myIsutxo_spentinmempool(txid,vout) == 0 )
             {
                 if ( total != 0 && maxinputs != 0 )
                     mtx.vin.push_back(CTxIn(txid,vout,CScript()));
                 nValue = it->second.satoshis;
                 totalinputs += nValue;
+				//std::cerr << "AddAssetInputs() adding input nValue=" << nValue  << std::endl;
                 n++;
                 if ( (total > 0 && totalinputs >= total) || (maxinputs > 0 && n >= maxinputs) )
                     break;
             }
         }
     }
+
+	//std::cerr << "AddAssetInputs() found totalinputs=" << totalinputs << std::endl;
     return(totalinputs);
 }
 
@@ -235,6 +238,11 @@ std::string AssetTransfer(int64_t txfee,uint256 assetid,std::vector<uint8_t> des
         mask = ~((1LL << mtx.vin.size()) - 1);
         if ( (inputs= AddAssetInputs(cp,mtx,mypk,assetid,total,60)) > 0 )
         {
+
+			if (inputs < total) {   //added dimxy
+				std::cerr << "AssetTransfer(): insufficient funds" << std::endl;
+				return ("");
+			}
             if ( inputs > total )
                 CCchange = (inputs - total);
             //for (i=0; i<n; i++)
@@ -310,6 +318,9 @@ std::string CreateSell(int64_t txfee,int64_t askamount,uint256 assetid,int64_t p
 {
     CMutableTransaction mtx = CreateNewContextualCMutableTransaction(Params().GetConsensus(), komodo_nextheight());
     CPubKey mypk; uint64_t mask; int64_t inputs,CCchange; CScript opret; struct CCcontract_info *cp,C;
+
+	//std::cerr << "CreateSell() askamount=" << askamount << " pricetotal=" << pricetotal << std::endl;
+
     if ( askamount < 0 || pricetotal < 0 )
     {
         fprintf(stderr,"negative askamount %lld, askamount %lld\n",(long long)pricetotal,(long long)askamount);
@@ -324,8 +335,12 @@ std::string CreateSell(int64_t txfee,int64_t askamount,uint256 assetid,int64_t p
         mask = ~((1LL << mtx.vin.size()) - 1);
         if ( (inputs= AddAssetInputs(cp,mtx,mypk,assetid,askamount,60)) > 0 )
         {
-            if ( inputs < askamount )
-                askamount = inputs;
+			if (inputs < askamount) {
+				//askamount = inputs;
+				std::cerr << "CreateSell(): insufficient tokens for ask" << std::endl;
+				return ("");
+			}
+
             mtx.vout.push_back(MakeCC1vout(EVAL_ASSETS,askamount,GetUnspendable(cp,0)));
             if ( inputs > askamount )
                 CCchange = (inputs - askamount);
@@ -333,9 +348,14 @@ std::string CreateSell(int64_t txfee,int64_t askamount,uint256 assetid,int64_t p
                 mtx.vout.push_back(MakeCC1vout(EVAL_ASSETS,CCchange,mypk));
             opret = EncodeAssetOpRet('s',assetid,zeroid,pricetotal,Mypubkey());
             return(FinalizeCCTx(mask,cp,mtx,mypk,txfee,opret));
-        } else fprintf(stderr,"need some assets to place ask\n");
+		}
+		else {
+			fprintf(stderr, "need some assets to place ask\n");
+		}
     }
-    fprintf(stderr,"need some native coins to place ask\n");
+	else {  // dimxy added 'else', because it was misleading message before
+		fprintf(stderr, "need some native coins to place ask\n");
+	}
     return("");
 }
 
@@ -373,9 +393,15 @@ std::string CreateSwap(int64_t txfee,int64_t askamount,uint256 assetid,uint256 a
                 opret = EncodeAssetOpRet('e',assetid,assetid2,pricetotal,Mypubkey());
             }
             return(FinalizeCCTx(mask,cp,mtx,mypk,txfee,opret));
-        } else fprintf(stderr,"need some assets to place ask\n");
+        } 
+		else {
+			fprintf(stderr, "need some assets to place ask\n");
+		}
     }
-    fprintf(stderr,"need some native coins to place ask\n");
+	else { // dimxy added 'else', because it was misleading message before
+		fprintf(stderr,"need some native coins to place ask\n");
+	}
+    
     return("");
 }
 
diff --git a/src/cc/assets.cpp b/src/cc/assets.cpp
index 41a0ed7b1..378c427a9 100644
--- a/src/cc/assets.cpp
+++ b/src/cc/assets.cpp
@@ -129,6 +129,10 @@
  vout.n-1: opreturn [EVAL_ASSETS] ['E'] [assetid vin0+1] [assetid vin2] [remaining asset2 required] [origpubkey]
 */
 
+
+
+
+// tx validation
 bool AssetsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &tx, uint32_t nIn)
 {
     static uint256 zero;
@@ -155,9 +159,11 @@ bool AssetsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &tx
         else starti = 1;
         if ( assetid == zero )
             return eval->Invalid("illegal assetid");
-        else if ( AssetExactAmounts(cp,inputs,starti,outputs,eval,tx,assetid) == false )
+        else if ( AssetExactAmounts(2, cp,inputs,starti,outputs,eval,tx,assetid) == false )
             return eval->Invalid("asset inputs != outputs");
     }
+
+
     switch ( funcid )
     {
         case 'c': // create wont be called to be verified as it has no CC inputs
@@ -321,7 +327,7 @@ bool AssetsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &tx
             }
             fprintf(stderr,"fill validated\n");
             break;
-        case 'E': // fillexchange
+        case 'E': // fillexchange	
             return eval->Invalid("unexpected assets fillexchange funcid");
             break; // disable asset swaps
             //vin.0: normal input
@@ -333,7 +339,7 @@ bool AssetsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &tx
             //vout.3: CC output for asset2 change (if any)
             //vout.3/4: normal output for change (if any)
             //vout.n-1: opreturn [EVAL_ASSETS] ['E'] [assetid vin0+1] [assetid vin2] [remaining asset2 required] [origpubkey]
-            if ( AssetExactAmounts(cp,inputs,1,outputs,eval,tx,assetid2) == false )
+            if ( AssetExactAmounts(1, cp,inputs,1,outputs,eval,tx,assetid2) == false )    
                 eval->Invalid("asset2 inputs != outputs");
             if ( (assetoshis= AssetValidateSellvin(cp,eval,totalunits,tmporigpubkey,CCaddr,origaddr,tx,assetid)) == 0 )
                 return(false);
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 8f0a692b4..26f56b395 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -5310,6 +5310,7 @@ int32_t ensure_CCrequirements()
 #include "../cc/CCOracles.h"
 #include "../cc/CCGateways.h"
 #include "../cc/CCPrices.h"
+#include "../cc/CCHeir.h"
 
 UniValue CCaddress(struct CCcontract_info *cp,char *name,std::vector<unsigned char> &pubkey)
 {
@@ -5531,15 +5532,25 @@ UniValue gatewaysaddress(const UniValue& params, bool fHelp)
 
 UniValue heiraddress(const UniValue& params, bool fHelp)
 {
-    struct CCcontract_info *cp,C; std::vector<unsigned char> pubkey;
+    struct CCcontract_info *cp,C; std::vector<unsigned char> destPubkey;
+
     cp = CCinit(&C,EVAL_HEIR);
-    if ( fHelp || params.size() > 1 )
-        throw runtime_error("heiraddress [pubkey]\n");
+    if ( fHelp || (params.size() != 4 && params.size() != 3))
+        throw runtime_error("heiraddress func txid amount [destpubkey]\n");
     if ( ensure_CCrequirements() < 0 )
         throw runtime_error("to use CC contracts, you need to launch daemon with valid -pubkey= for an address in your wallet\n");
-    if ( params.size() == 1 )
-        pubkey = ParseHex(params[0].get_str().c_str());
-    return(CCaddress(cp,(char *)"Heir",pubkey));
+    //if ( params.size() == 1 )
+    //    pubkey = ParseHex(params[0].get_str().c_str());
+
+	char funcid = ((char *)params[0].get_str().c_str())[0];
+	uint256 assetid = Parseuint256((char *)params[1].get_str().c_str());
+	int64_t funds = atof(params[2].get_str().c_str()) * COIN ;
+	if(params.size() == 4)
+		destPubkey = ParseHex(params[3].get_str().c_str());
+
+	return HeirFundBad(funcid, assetid, funds, destPubkey);
+
+    //return(CCaddress(cp,(char *)"Heir",pubkey));
 }
 
 UniValue lottoaddress(const UniValue& params, bool fHelp)
@@ -6837,7 +6848,7 @@ UniValue tokencreate(const UniValue& params, bool fHelp)
     const CKeyStore& keystore = *pwalletMain;
     LOCK2(cs_main, pwalletMain->cs_wallet);
     name = params[0].get_str();
-    supply = atof(params[1].get_str().c_str()) * COIN + 0.00000000499999;
+    supply = atof(params[1].get_str().c_str()) * COIN + 0.00000000499999;   // what for is this '+0.00000000499999'? it will be lost while converting double to int64_t (dimxy)
     if ( name.size() == 0 || name.size() > 32)
     {
         ERR_RESULT("Token name must not be empty and up to 32 characters");
@@ -6877,7 +6888,8 @@ UniValue tokentransfer(const UniValue& params, bool fHelp)
     LOCK2(cs_main, pwalletMain->cs_wallet);
     tokenid = Parseuint256((char *)params[0].get_str().c_str());
     std::vector<unsigned char> pubkey(ParseHex(params[1].get_str().c_str()));
-    amount = atol(params[2].get_str().c_str());
+    //amount = atol(params[2].get_str().c_str());
+	amount = atoll(params[2].get_str().c_str()); // dimxy changed to prevent loss of significance
     if ( tokenid == zeroid )
     {
         ERR_RESULT("invalid tokenid");
@@ -6913,7 +6925,8 @@ UniValue tokenconvert(const UniValue& params, bool fHelp)
     evalcode = atoi(params[0].get_str().c_str());
     tokenid = Parseuint256((char *)params[1].get_str().c_str());
     std::vector<unsigned char> pubkey(ParseHex(params[2].get_str().c_str()));
-    amount = atol(params[3].get_str().c_str());
+    //amount = atol(params[3].get_str().c_str());
+	amount = atoll(params[3].get_str().c_str()); // dimxy changed to prevent loss of significance
     if ( tokenid == zeroid )
     {
         ERR_RESULT("invalid tokenid");
@@ -6946,7 +6959,8 @@ UniValue tokenbid(const UniValue& params, bool fHelp)
         throw runtime_error("to use CC contracts, you need to launch daemon with valid -pubkey= for an address in your wallet\n");
     const CKeyStore& keystore = *pwalletMain;
     LOCK2(cs_main, pwalletMain->cs_wallet);
-    numtokens = atoi(params[0].get_str().c_str());
+    //numtokens = atoi(params[0].get_str().c_str());
+	numtokens = atoll(params[0].get_str().c_str());  // dimxy changed to prevent loss of significance
     tokenid = Parseuint256((char *)params[1].get_str().c_str());
     price = atof(params[2].get_str().c_str());
     bidamount = (price * numtokens) * COIN + 0.0000000049999;
@@ -7014,7 +7028,8 @@ UniValue tokenfillbid(const UniValue& params, bool fHelp)
     LOCK2(cs_main, pwalletMain->cs_wallet);
     tokenid = Parseuint256((char *)params[0].get_str().c_str());
     bidtxid = Parseuint256((char *)params[1].get_str().c_str());
-    fillamount = atol(params[2].get_str().c_str());
+    // fillamount = atol(params[2].get_str().c_str());
+	fillamount = atoll(params[2].get_str().c_str());		// dimxy changed to prevent loss of significance
     if ( fillamount <= 0 )
     {
         ERR_RESULT("fillamount must be positive");
@@ -7043,10 +7058,12 @@ UniValue tokenask(const UniValue& params, bool fHelp)
         throw runtime_error("to use CC contracts, you need to launch daemon with valid -pubkey= for an address in your wallet\n");
     const CKeyStore& keystore = *pwalletMain;
     LOCK2(cs_main, pwalletMain->cs_wallet);
-    numtokens = atoi(params[0].get_str().c_str());
+    //numtokens = atoi(params[0].get_str().c_str());
+	numtokens = atoll(params[0].get_str().c_str());			// dimxy changed to prevent loss of significance
     tokenid = Parseuint256((char *)params[1].get_str().c_str());
     price = atof(params[2].get_str().c_str());
     askamount = (price * numtokens) * COIN + 0.0000000049999;
+	//std::cerr << std::boolalpha << "tokenask(): (tokenid == zeroid) is "  << (tokenid == zeroid) << " (numtokens <= 0) is " << (numtokens <= 0) << " (price <= 0) is " << (price <= 0) << " (askamount <= 0) is " << (askamount <= 0) << std::endl;
     if ( tokenid == zeroid || numtokens <= 0 || price <= 0 || askamount <= 0 )
     {
         ERR_RESULT("invalid parameter");
@@ -7075,7 +7092,8 @@ UniValue tokenswapask(const UniValue& params, bool fHelp)
         throw runtime_error("to use CC contracts, you need to launch daemon with valid -pubkey= for an address in your wallet\n");
     const CKeyStore& keystore = *pwalletMain;
     LOCK2(cs_main, pwalletMain->cs_wallet);
-    numtokens = atoi(params[0].get_str().c_str());
+    //numtokens = atoi(params[0].get_str().c_str());
+	numtokens = atoll(params[0].get_str().c_str());			// dimxy changed to prevent loss of significance
     tokenid = Parseuint256((char *)params[1].get_str().c_str());
     otherid = Parseuint256((char *)params[2].get_str().c_str());
     price = atof(params[3].get_str().c_str());
@@ -7129,7 +7147,8 @@ UniValue tokenfillask(const UniValue& params, bool fHelp)
     LOCK2(cs_main, pwalletMain->cs_wallet);
     tokenid = Parseuint256((char *)params[0].get_str().c_str());
     asktxid = Parseuint256((char *)params[1].get_str().c_str());
-    fillunits = atol(params[2].get_str().c_str());
+    //fillunits = atol(params[2].get_str().c_str());	
+	fillunits = atoll(params[2].get_str().c_str());	 // dimxy changed to prevent loss of significance
     if ( fillunits <= 0 )
     {
         ERR_RESULT("fillunits must be positive");
@@ -7169,7 +7188,8 @@ UniValue tokenfillswap(const UniValue& params, bool fHelp)
     tokenid = Parseuint256((char *)params[0].get_str().c_str());
     otherid = Parseuint256((char *)params[1].get_str().c_str());
     asktxid = Parseuint256((char *)params[2].get_str().c_str());
-    fillunits = atol(params[3].get_str().c_str());
+    //fillunits = atol(params[3].get_str().c_str());
+	fillunits = atoll(params[3].get_str().c_str());  // dimxy changed to prevent loss of significance
     hex = FillSell(0,tokenid,otherid,asktxid,fillunits);
     if (fillunits > 0) {
         if ( hex.size() > 0 ) {