diff --git a/services/blob/src/Reactors/server/base-reactors/ServerWriteReactorBase.h b/services/blob/src/Reactors/server/base-reactors/ServerWriteReactorBase.h
new file mode 100644
--- /dev/null
+++ b/services/blob/src/Reactors/server/base-reactors/ServerWriteReactorBase.h
@@ -0,0 +1,86 @@
+#pragma once
+
+#include <grpcpp/grpcpp.h>
+
+#include <iostream>
+#include <memory>
+#include <string>
+
+namespace comm {
+namespace network {
+namespace reactor {
+
+template <class Request, class Response>
+class ServerWriteReactorBase : public grpc::ServerWriteReactor<Response> {
+  Response response;
+  bool initialized = false;
+
+protected:
+  // this is a const ref since it's not meant to be modified
+  const Request &request;
+
+public:
+  ServerWriteReactorBase(const Request *request);
+
+  virtual void NextWrite();
+  void OnDone() override;
+  void OnWriteDone(bool ok) override;
+
+  virtual std::unique_ptr<grpc::Status> writeResponse(Response *response) = 0;
+  virtual void initialize(){};
+  virtual void doneCallback(){};
+};
+
+template <class Request, class Response>
+ServerWriteReactorBase<Request, Response>::ServerWriteReactorBase(
+    const Request *request)
+    : request(*request) {
+  // we cannot call this->NextWrite() here because it's going to call it on
+  // the base class, not derived leading to the runtime error of calling
+  // a pure virtual function
+  // NextWrite has to be exposed as a public function and called explicitly
+  // to initialize writing
+}
+
+template <class Request, class Response>
+void ServerWriteReactorBase<Request, Response>::NextWrite() {
+  try {
+    if (!this->initialized) {
+      this->initialize();
+      this->initialized = true;
+    }
+    this->response = Response();
+    std::unique_ptr<grpc::Status> status = this->writeResponse(&this->response);
+    if (status != nullptr) {
+      this->Finish(*status);
+      return;
+    }
+    this->StartWrite(&this->response);
+  } catch (std::runtime_error &e) {
+    std::cout << "error: " << e.what() << std::endl;
+    this->Finish(grpc::Status(grpc::StatusCode::INTERNAL, e.what()));
+  }
+}
+
+template <class Request, class Response>
+void ServerWriteReactorBase<Request, Response>::OnDone() {
+  this->doneCallback();
+  delete this;
+}
+
+template <class Request, class Response>
+void ServerWriteReactorBase<Request, Response>::OnWriteDone(bool ok) {
+  if (!ok) {
+    this->Finish(grpc::Status(grpc::StatusCode::INTERNAL, "writing error"));
+    return;
+  }
+  try {
+    this->NextWrite();
+  } catch (std::runtime_error &e) {
+    this->Finish(grpc::Status(grpc::StatusCode::INTERNAL, e.what()));
+  }
+}
+
+} // namespace reactor
+} // namespace network
+} // namespace comm