[rpc] rawtx: Prepare fLimitFree to make it an option

src/rpc/rawtransaction.cpp

@@ -866,6 +866,7 @@ UniValue sendrawtransaction(const UniValue& params, bool fHelp)
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
     uint256 hashTx = tx.GetHash();
 
+    bool fLimitFree = false;
     CAmount nMaxRawTxFee = maxTxFee;
     if (params.size() > 1 && params[1].get_bool())
         nMaxRawTxFee = 0;
@@ -878,7 +879,7 @@ UniValue sendrawtransaction(const UniValue& params, bool fHelp)
         // push to local node and sync with wallets
         CValidationState state;
         bool fMissingInputs;
-        if (!AcceptToMemoryPool(mempool, state, tx, false, &fMissingInputs, false, nMaxRawTxFee)) {
+        if (!AcceptToMemoryPool(mempool, state, tx, fLimitFree, &fMissingInputs, false, nMaxRawTxFee)) {
             if (state.IsInvalid()) {
                 throw JSONRPCError(RPC_TRANSACTION_REJECTED, strprintf("%i: %s", state.GetRejectCode(), state.GetRejectReason()));
             } else {