Don't log mempool error for staking tx, fix default destination for staking tx

src/main.cpp

@@ -1575,8 +1575,7 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
     CStakeParams p;
     if (ValidateStakeTransaction(tx, p, false))
     {
-        return state.DoS(0, error("AcceptToMemoryPool: attempt to add staking transaction to the mempool"),
-                                 REJECT_INVALID, "staking");
+        return state.DoS(0, false, REJECT_INVALID, "staking");
     }
 
     // is it already in the memory pool?

src/miner.cpp

@@ -825,17 +825,20 @@ CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey, int32_t nHeight,
     }
     else
     {
-        if (!reservekey.GetReservedKey(pubkey))
+        if (!isStake)
         {
-            return NULL;
+            if (!reservekey.GetReservedKey(pubkey))
+            {
+                return NULL;
+            }
+            scriptPubKey.resize(35);
+            ptr = (uint8_t *)pubkey.begin();
+            scriptPubKey[0] = 33;
+            for (i=0; i<33; i++)
+                scriptPubKey[i+1] = ptr[i];
+            scriptPubKey[34] = OP_CHECKSIG;
+            //scriptPubKey = CScript() << ToByteVector(pubkey) << OP_CHECKSIG;
         }
-        scriptPubKey.resize(35);
-        ptr = (uint8_t *)pubkey.begin();
-        scriptPubKey[0] = 33;
-        for (i=0; i<33; i++)
-            scriptPubKey[i+1] = ptr[i];
-        scriptPubKey[34] = OP_CHECKSIG;
-        //scriptPubKey = CScript() << ToByteVector(pubkey) << OP_CHECKSIG;
     }
     return CreateNewBlock(scriptPubKey, gpucount, isStake);
 }

src/wallet/wallet.cpp

@@ -1397,7 +1397,7 @@ int32_t CWallet::VerusStakeTransaction(CBlock *pBlock, CMutableTransaction &txNe
     const CKeyStore& keystore = *pwalletMain;
     txNew.vin.resize(1);
     txNew.vout.resize(1);
-    txfee = extendedStake ? DEFAULT_STAKE_TXFEE : 0; // extended stakes will always be rebroadcast, so they require a fee to make it fast
+    txfee = extendedStake ? DEFAULT_STAKE_TXFEE : 0;
     txNew.vin[0].prevout.hash = stakeSource.GetHash();
     txNew.vin[0].prevout.n = voutNum;