rpc: Change JSONRPCRequest to JSONRPCRequestObj

This is more consistent with `JSONRPCReplyObj`.

src/bitcoin-cli.cpp

@@ -223,7 +223,7 @@ UniValue CallRPC(const string& strMethod, const UniValue& params)
     evhttp_add_header(output_headers, "Authorization", (std::string("Basic ") + EncodeBase64(strRPCUserColonPass)).c_str());
 
     // Attach request data
-    std::string strRequest = JSONRPCRequest(strMethod, params, 1);
+    std::string strRequest = JSONRPCRequestObj(strMethod, params, 1).write() + "\n";
     struct evbuffer * output_buffer = evhttp_request_get_output_buffer(req);
     assert(output_buffer);
     evbuffer_add(output_buffer, strRequest.data(), strRequest.size());

src/rpc/protocol.cpp

@@ -26,13 +26,13 @@ using namespace std;
  * 1.2 spec: http://jsonrpc.org/historical/json-rpc-over-http.html
  */
 
-string JSONRPCRequest(const string& strMethod, const UniValue& params, const UniValue& id)
+UniValue JSONRPCRequestObj(const string& strMethod, const UniValue& params, const UniValue& id)
 {
     UniValue request(UniValue::VOBJ);
     request.push_back(Pair("method", strMethod));
     request.push_back(Pair("params", params));
     request.push_back(Pair("id", id));
-    return request.write() + "\n";
+    return request;
 }
 
 UniValue JSONRPCReplyObj(const UniValue& result, const UniValue& error, const UniValue& id)

src/rpc/protocol.h

@@ -77,7 +77,7 @@ enum RPCErrorCode
     RPC_WALLET_ALREADY_UNLOCKED     = -17, //!< Wallet is already unlocked
 };
 
-std::string JSONRPCRequest(const std::string& strMethod, const UniValue& params, const UniValue& id);
+UniValue JSONRPCRequestObj(const std::string& strMethod, const UniValue& params, const UniValue& id);
 UniValue JSONRPCReplyObj(const UniValue& result, const UniValue& error, const UniValue& id);
 std::string JSONRPCReply(const UniValue& result, const UniValue& error, const UniValue& id);
 UniValue JSONRPCError(int code, const std::string& message);