add python project and remove express projec

express-js/.gitignore

@@ -1,2 +0,0 @@
-node_modules/
-build/

express-js/package.json

@@ -1,25 +0,0 @@
-{
-  "name": "money-transfer",
-  "version": "1.0.0",
-  "main": "server.ts",
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
-    "build": "tsc",
-    "dev": "node ./build/server.js",
-    "start": "tsc && npm run dev"
-  },
-  "author": "",
-  "license": "ISC",
-  "description": "",
-  "devDependencies": {
-    "@types/cors": "^2.8.19",
-    "@types/express": "^5.0.3",
-    "@types/node": "^24.0.10",
-    "ts-node": "^10.9.2",
-    "typescript": "^5.8.3"
-  },
-  "dependencies": {
-    "cors": "^2.8.5",
-    "express": "^5.1.0"
-  }
-}

express-js/server.ts

@@ -1,18 +0,0 @@
-import express, { Application } from "express";
-import Server from "./src/index";
-
-const app: Application = express();
-const server: Server = new Server(app);
-const PORT: number = process.env.PORT ? parseInt(process.env.PORT, 10) : 8080;
-
-app
-  .listen(PORT, "localhost", function () {
-    console.log(`Server is running on port ${PORT}.`);
-  })
-  .on("error", (err: any) => {
-    if (err.code === "EADDRINUSE") {
-      console.log("Error: address already in use");
-    } else {
-      console.log(err);
-    }
-  });

express-js/src/index.ts

@@ -1,18 +0,0 @@
-import express, { Application } from "express";
-import cors, { CorsOptions } from "cors";
-
-export default class Server {
-  constructor(app: Application) {
-    this.config(app);
-  }
-
-  private config(app: Application): void {
-    const corsOptions: CorsOptions = {
-      origin: "http://localhost:8081"
-    };
-
-    app.use(cors(corsOptions));
-    app.use(express.json());
-    app.use(express.urlencoded({ extended: true }));
-  }
-}

express-js/tsconfig.json

@@ -1,25 +0,0 @@
-{
-  "compilerOptions": {
-    /* Language and Environment */
-    "target": "es2016",                               /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
-    "experimentalDecorators": true,                   /* Enable experimental support for legacy experimental decorators. */
-    "emitDecoratorMetadata": true,                    /* Emit design-type metadata for decorated declarations in source files. */
-
-    /* Modules */
-    "module": "commonjs",                             /* Specify what module code is generated. */
-    "resolveJsonModule": true,                        /* Enable importing .json files. */
-
-    /* Emit */
-    "outDir": "./build",                              /* Specify an output folder for all emitted files. */
-
-    /* Interop Constraints */
-    "esModuleInterop": true,                          /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
-    "forceConsistentCasingInFileNames": true,         /* Ensure that casing is correct in imports. */
-
-    /* Type Checking */
-    "strict": true,                                   /* Enable all strict type-checking options. */
-
-    /* Completeness */
-    "skipLibCheck": true                              /* Skip type checking all .d.ts files. */
-  }
-}

fastapi-python/.gitignore

@@ -0,0 +1 @@
+__pycache__/

fastapi-python/README.md

@@ -0,0 +1,6 @@
+# Get started
+
+```sh
+
+fastapi dev main.py
+```

fastapi-python/main.py

@@ -0,0 +1,29 @@
+from typing import Union
+
+from fastapi import FastAPI
+from pydantic import BaseModel
+
+class Transfer(BaseModel):
+    amount: int
+    sender: int
+    receiver: int
+
+app = FastAPI()
+
+accounts = {
+    '1': {'amount': 1000},
+    '2': {'amount': 1000},
+}
+
+@app.post("/transfer")
+def transfer(transfer: Transfer):
+    amount = transfer.amount
+    sender = transfer.sender
+    receiver = transfer.receive
+
+    if amount <= 0:
+        return {"error": "Amount must be greater than 0"}
+
+    print(f"transfer {amount} from {sender} to {receiver}")
+    
+    return {"amount": amount, "sender": sender, "receiver": receiver}

hono/src/index.ts

@@ -10,7 +10,7 @@ const accounts = {
 
 app.post('/transfer', async (c) => {
   const body = await c.req.json();
-  const { amount, from, to } = body;
+  const { amount, sender, receiver } = body;
 
   if (amount <= 0) {
     return c.json({ error: 'Amount must be greater than 0' }, 40);
@@ -18,8 +18,8 @@ app.post('/transfer', async (c) => {
 
   const transfer = {
     amount,
-    from,
-    to
+    sender,
+    receiver
   }
 
   console.log('transfer', transfe);