Let us start here, from square one. No, from Zero!

api/resources/dart/spiceapi-websocket/src/wrappers/memory.dart

@@ -0,0 +1,35 @@
+part of spiceapi;
+
+Future<void> memoryWrite(Connection con,
+    String dllName, String data, int offset) {
+  var req = Request("memory", "write");
+  req.addParam(dllName);
+  req.addParam(data);
+  req.addParam(offset);
+  return con.request(req);
+}
+
+Future<String> memoryRead(Connection con,
+    String dllName, int offset, int size) {
+  var req = Request("memory", "read");
+  req.addParam(dllName);
+  req.addParam(offset);
+  req.addParam(size);
+  return con.request(req).then((res) {
+    return res.getData()[0];
+  });
+}
+
+Future<int> memorySignature(Connection con,
+    String dllName, String signature, String replacement,
+    int offset, int usage) {
+  var req = Request("memory", "signature");
+  req.addParam(dllName);
+  req.addParam(signature);
+  req.addParam(replacement);
+  req.addParam(offset);
+  req.addParam(usage);
+  return con.request(req).then((res) {
+    return res.getData()[0];
+  });
+}