potentially start using mapargs.

src/bitcoindjs.cc

@@ -629,6 +629,10 @@ start_node_thread(void) {
       return;
     }
 
+    // mapArgs["-datadir"] = g_data_dir;
+    // mapArgs["-server"] = g_rpc ? "1" : "0";
+    // mapArgs["-testnet"] = g_testnet ? "1" : "0";
+
     if (!SelectParamsFromCommandLine()) {
       fprintf(stderr, "Error: Invalid combination of -regtest and -testnet.\n");
       return;