diff --git a/src/cc/heir.cpp b/src/cc/heir.cpp
index d00cab795..0e1c7d177 100644
--- a/src/cc/heir.cpp
+++ b/src/cc/heir.cpp
@@ -657,13 +657,7 @@ template <typename Helper> UniValue _HeirFund(int64_t txfee, int64_t amount, std
 	int64_t markerfee = 10000;
     
     //std::cerr << "HeirFund() amount=" << amount << " txfee=" << txfee << " heirPubkey IsValid()=" << heirPubkey.IsValid() << " inactivityTime(sec)=" << inactivityTimeSec << " tokenid=" << tokenid.GetHex() << std::endl;
-    
-    if (!heirPubkey.IsValid()) {
-        std::cerr << "HeirFund() heirPubkey is not valid!" << std::endl;
-		result.push_back(Pair("result", "error"));
-		result.push_back(Pair("error", "invalid heir pubkey"));
-    }
-    
+        
     CPubKey myPubkey = pubkey2pk(Mypubkey());
     
     if (AddNormalinputs(mtx, myPubkey, markerfee, 3) > 0) { 
@@ -714,7 +708,7 @@ template <typename Helper> UniValue _HeirFund(int64_t txfee, int64_t amount, std
                                                 Helper::makeCreateOpRet(tokenid, voutTokenPubkeys, myPubkey, heirPubkey, inactivityTimeSec, heirName));
             if (!rawhextx.empty()) {
                 result.push_back(Pair("result", "success"));
-                result.push_back(Pair("hextx", rawhextx));
+                result.push_back(Pair("hex", rawhextx));
             }
             else {
                 std::cerr << "HeirAdd error in FinalizeCCtx" << std::endl;
@@ -835,7 +829,7 @@ template <class Helper> UniValue _HeirAdd(uint256 fundingtxid, int64_t txfee, in
                                                  Helper::makeAddOpRet(tokenid, voutTokenPubkeys, fundingtxid, hasHeirSpendingBegun)));
             
             if (!rawhextx.empty()) {
-                result.push_back(Pair("hextx", rawhextx));
+                result.push_back(Pair("hex", rawhextx));
             }
             else	{
                 std::cerr << "HeirAdd error in FinalizeCCtx" << std::endl;
@@ -1008,7 +1002,7 @@ template <typename Helper>UniValue _HeirClaim(uint256 fundingtxid, int64_t txfee
             
             if (!rawhextx.empty()) {
                 result.push_back(Pair("result", "success"));
-                result.push_back(Pair("hextx", rawhextx));
+                result.push_back(Pair("hex", rawhextx));
             }
             else {
                 std::cerr << "HeirAdd error in FinalizeCCtx" << std::endl;
@@ -1273,7 +1267,7 @@ void _HeirList(struct CCcontract_info *cp, UniValue &result)
             // note: if it is not Heir token funcId would be equal to 0
             if (funcId == 'F') {
                 //result.push_back(Pair("fundingtxid kind name", txid.GetHex() + std::string(" ") + (typeid(Helper) == typeid(TokenHelper) ? std::string("token") : std::string("coin")) + std::string(" ") + heirName));
-                result.push_back( Pair("fundingtxid", txid.GetHex()) );
+                result.push_back( txid.GetHex() );
             }
             else {
                 std::cerr << "HeirList() this is not the initial F transaction=" << txid.GetHex() << std::endl;
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 14620aa0b..8a1dab638 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -7382,30 +7382,45 @@ UniValue heirfund(const UniValue& params, bool fHelp)
 	LOCK2(cs_main, pwalletMain->cs_wallet);
 
 	txfee = atoll(params[0].get_str().c_str());
-	if (txfee < 0)
-		throw runtime_error("incorrect txfee param\n");
+	if (txfee < 0) {
+		result.push_back(Pair("result", "error"));
+		result.push_back(Pair("error", "incorrect txfee"));
+		return result;	
+	}
 
 	if(params.size() == 6)	// tokens in satoshis:
 		amount = atoll(params[1].get_str().c_str());
 	else	// coins:
 		amount = atof(params[1].get_str().c_str()) * COIN;
 
-	if( amount <= 0 )
-		throw runtime_error("incorrect amount\n");
+	if (amount <= 0) {
+		result.push_back(Pair("result", "error"));
+		result.push_back(Pair("error", "incorrect amount"));
+		return result;
+	}
 
 	name = params[2].get_str();
 	pubkey = ParseHex(params[3].get_str().c_str());
-	if( !pubkey2pk(pubkey).IsValid() )
-		throw runtime_error("incorrect pubkey\n");
+	if (!pubkey2pk(pubkey).IsValid()) {
+		result.push_back(Pair("result", "error"));
+		result.push_back(Pair("error", "incorrect pubkey"));
+		return result;
+	}
 
 	inactivitytime = atoll(params[4].get_str().c_str());
-	if (inactivitytime <= 0)
-		throw runtime_error("incorrect inactivity time param\n");
+	if (inactivitytime <= 0) {
+		result.push_back(Pair("result", "error"));
+		result.push_back(Pair("error", "incorrect inactivity time"));
+		return result;
+	}
 
 	if (params.size() == 6) {
 		tokenid = Parseuint256((char*)params[5].get_str().c_str());
-		if(tokenid == zeroid)
-			throw runtime_error("incorrect tokenid\n");
+		if (tokenid == zeroid) {
+			result.push_back(Pair("result", "error"));
+			result.push_back(Pair("error", "incorrect tokenid"));
+			return result;
+		}
 	}
 
 	if( tokenid == zeroid )
@@ -7439,8 +7454,11 @@ UniValue heiradd(const UniValue& params, bool fHelp)
 	LOCK2(cs_main, pwalletMain->cs_wallet);
 
 	txfee = atoll(params[0].get_str().c_str());
-	if (txfee < 0)
-		throw runtime_error("incorrect txfee param\n");
+	if (txfee < 0) {
+		result.push_back(Pair("result", "error"));
+		result.push_back(Pair("error", "incorrect txfee"));
+		return result;
+	}
 
 	fundingtxid = Parseuint256((char*)params[2].get_str().c_str());
 
@@ -7450,7 +7468,7 @@ UniValue heiradd(const UniValue& params, bool fHelp)
 
 UniValue heirclaim(const UniValue& params, bool fHelp)
 {
-	UniValue result; // result(UniValue::VOBJ);
+	UniValue result;
 	uint256 fundingtxid;
 	int64_t txfee;
 	int64_t inactivitytime;
@@ -7458,7 +7476,6 @@ UniValue heirclaim(const UniValue& params, bool fHelp)
 	std::vector<unsigned char> pubkey;
 	std::string name;
 
-	// do we need this?
 	if (!EnsureWalletIsAvailable(fHelp))
 	    return NullUniValue;
 
@@ -7471,8 +7488,11 @@ UniValue heirclaim(const UniValue& params, bool fHelp)
 	LOCK2(cs_main, pwalletMain->cs_wallet);
 
 	txfee = atoll(params[0].get_str().c_str());
-	if (txfee < 0)
-		throw runtime_error("incorrect txfee param\n");
+	if (txfee < 0) {
+		result.push_back(Pair("result", "error"));
+		result.push_back(Pair("error", "incorrect txfee"));
+		return result;
+	}
 
 	fundingtxid = Parseuint256((char*)params[2].get_str().c_str());
 
@@ -7483,8 +7503,9 @@ UniValue heirclaim(const UniValue& params, bool fHelp)
 UniValue heirinfo(const UniValue& params, bool fHelp)
 {
 	uint256 fundingtxid;
-	if (fHelp || params.size() != 1) // or 0?
+	if (fHelp || params.size() != 1) 
 		throw runtime_error("heirinfo fundingtxid\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");
 
@@ -7494,7 +7515,7 @@ UniValue heirinfo(const UniValue& params, bool fHelp)
 
 UniValue heirlist(const UniValue& params, bool fHelp)
 {
-	if (fHelp || params.size() != 0) // or 0?
+	if (fHelp || params.size() != 0) 
 		throw runtime_error("heirlist\n");
 
 	//    if ( ensure_CCrequirements() < 0 )