From 42a97ec6dcb1cd047ffedf1fd74626340c400975 Mon Sep 17 00:00:00 2001
From: Gabriel Tozatti <gabrieltozatti2021@gmail.com>
Date: Wed, 11 Mar 2026 15:15:09 -0300
Subject: [PATCH 1/2] feat: add base HTTP controller and routes structure

---
 packages/worker/src/http/index.ts             |  9 ++++++++
 .../src/http/middlewares/handleErrors.ts      | 23 +++++++++++++++++++
 .../src/http/modules/gasless/controller.ts    | 16 +++++++++++++
 .../worker/src/http/modules/gasless/routes.ts |  8 +++++++
 packages/worker/src/index.ts                  |  2 ++
 5 files changed, 58 insertions(+)
 create mode 100644 packages/worker/src/http/index.ts
 create mode 100644 packages/worker/src/http/middlewares/handleErrors.ts
 create mode 100644 packages/worker/src/http/modules/gasless/controller.ts
 create mode 100644 packages/worker/src/http/modules/gasless/routes.ts

diff --git a/packages/worker/src/http/index.ts b/packages/worker/src/http/index.ts
new file mode 100644
index 000000000..b2c2d62fb
--- /dev/null
+++ b/packages/worker/src/http/index.ts
@@ -0,0 +1,9 @@
+import { Application } from "express";
+import gaslessRouter from "./modules/gasless/routes";
+import { handleErrors } from "./middlewares/handleErrors";
+
+export const setupRoutes = (app: Application): void => {
+  app.use("/worker/gasless", gaslessRouter);
+
+  app.use(handleErrors);
+};
diff --git a/packages/worker/src/http/middlewares/handleErrors.ts b/packages/worker/src/http/middlewares/handleErrors.ts
new file mode 100644
index 000000000..66ff6dbfe
--- /dev/null
+++ b/packages/worker/src/http/middlewares/handleErrors.ts
@@ -0,0 +1,23 @@
+import { Request, Response, NextFunction } from "express";
+
+export class AppError extends Error {
+  constructor(public readonly statusCode: number, message: string) {
+    super(message);
+    this.name = "AppError";
+  }
+}
+
+export const handleErrors = (
+  err: Error,
+  _req: Request,
+  res: Response,
+  _next: NextFunction
+): void => {
+  if (err instanceof AppError) {
+    res.status(err.statusCode).json({ error: err.message });
+    return;
+  }
+
+  console.error("[HTTP]: Unhandled error", err);
+  res.status(500).json({ error: "Internal server error" });
+};
diff --git a/packages/worker/src/http/modules/gasless/controller.ts b/packages/worker/src/http/modules/gasless/controller.ts
new file mode 100644
index 000000000..b1e7395af
--- /dev/null
+++ b/packages/worker/src/http/modules/gasless/controller.ts
@@ -0,0 +1,16 @@
+import { Request, Response, NextFunction } from "express";
+import { AppError } from "@/http/middlewares/handleErrors";
+
+export class GaslessController {
+  static async reserve(
+    _req: Request,
+    res: Response,
+    next: NextFunction
+  ): Promise<void> {
+    try {
+      throw new AppError(501, "Not implemented");
+    } catch (err) {
+      next(err);
+    }
+  }
+}
diff --git a/packages/worker/src/http/modules/gasless/routes.ts b/packages/worker/src/http/modules/gasless/routes.ts
new file mode 100644
index 000000000..b6dc0f300
--- /dev/null
+++ b/packages/worker/src/http/modules/gasless/routes.ts
@@ -0,0 +1,8 @@
+import { Router } from "express";
+import { GaslessController } from "@/http/modules/gasless/controller";
+
+const gaslessRouter = Router();
+
+gaslessRouter.post("/reserve", GaslessController.reserve);
+
+export default gaslessRouter;
diff --git a/packages/worker/src/index.ts b/packages/worker/src/index.ts
index 4c02e4f80..20a1c79f0 100644
--- a/packages/worker/src/index.ts
+++ b/packages/worker/src/index.ts
@@ -14,6 +14,7 @@ import {
   UserBlockSyncCron,
 } from "./queues/userBlockSync";
 import { GaslessUtxoCleanup } from "@/queues/gaslessUtxos/gaslessUtxoCleanup";
+import { setupRoutes } from "@/http";
 
 const {
   WORKER_PORT,
@@ -54,6 +55,7 @@ console.log(
 );
 
 const app = express();
+setupRoutes(app);
 const serverAdapter = new ExpressAdapter();
 
 createBullBoard({

From 4a4b1f0b6b0ea2459f09104cb8774fb05162f764 Mon Sep 17 00:00:00 2001
From: Gabriel Tozatti <gabrieltozatti2021@gmail.com>
Date: Wed, 11 Mar 2026 15:22:52 -0300
Subject: [PATCH 2/2] fix: remove console.log and add basic Express middleware

---
 packages/worker/src/http/middlewares/handleErrors.ts | 1 -
 packages/worker/src/index.ts                         | 2 ++
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/worker/src/http/middlewares/handleErrors.ts b/packages/worker/src/http/middlewares/handleErrors.ts
index 66ff6dbfe..88c6940fe 100644
--- a/packages/worker/src/http/middlewares/handleErrors.ts
+++ b/packages/worker/src/http/middlewares/handleErrors.ts
@@ -18,6 +18,5 @@ export const handleErrors = (
     return;
   }
 
-  console.error("[HTTP]: Unhandled error", err);
   res.status(500).json({ error: "Internal server error" });
 };
diff --git a/packages/worker/src/index.ts b/packages/worker/src/index.ts
index 20a1c79f0..3b6cebb67 100644
--- a/packages/worker/src/index.ts
+++ b/packages/worker/src/index.ts
@@ -55,6 +55,8 @@ console.log(
 );
 
 const app = express();
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
 setupRoutes(app);
 const serverAdapter = new ExpressAdapter();