# DMRocket API

A Node.js/Express API for managing orders with MySQL database integration.

## Setup

### 1. Install Dependencies
```bash
npm install
```

### 2. Database Setup
Create your MySQL database and table:

```sql
CREATE DATABASE dmrocket;
USE dmrocket;

CREATE TABLE `Orders` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `wallet` TEXT NOT NULL,
  `mint` TEXT NOT NULL,
  `amount` BIGINT NOT NULL DEFAULT '100',
  `created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `user_id` TEXT NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE = InnoDB;
```

### 3. Environment Configuration
Create a `.env.local` file in the root directory with your database credentials:

```env
# Database Configuration
DB_HOST=localhost
DB_USER=root
DB_PASSWORD=your_password_here
DB_NAME=dmrocket
DB_PORT=3306

# Server Configuration
PORT=7111
NODE_ENV=development
```

### 4. Run the Application
```bash
# Development mode
npm run dev

# Production build
npm run build
npm start
```

## API Endpoints

All endpoints use GET requests for simplicity and ease of use.

### Orders API

#### Create Order
- **GET** `/api/v1/create_order`
- **Query Parameters:**
  - `wallet` (required) - Wallet address
  - `mint` (required) - Mint address
  - `amount` (optional) - Order amount (default: 100)
  - `user_id` (required) - User identifier

**Example:**
```
GET /api/v1/create_order?wallet=wallet_address&mint=mint_address&amount=200&user_id=user123
```

#### Get All Orders
- **GET** `/api/v1/get_all_orders`

**Example:**
```
GET /api/v1/get_all_orders
```

#### Get Order by ID
- **GET** `/api/v1/get_order_by_id/:id`

**Example:**
```
GET /api/v1/get_order_by_id/1
```

#### Get Orders by User ID
- **GET** `/api/v1/get_orders_by_user/:userId`

**Example:**
```
GET /api/v1/get_orders_by_user/user123
```

#### Update Order
- **GET** `/api/v1/update_order/:id`
- **Query Parameters:** (any combination of fields)
  - `wallet` (optional) - New wallet address
  - `mint` (optional) - New mint address
  - `amount` (optional) - New amount
  - `user_id` (optional) - New user ID

**Example:**
```
GET /api/v1/update_order/1?amount=300&user_id=newuser456
```

#### Delete Order
- **GET** `/api/v1/delete_order/:id`

**Example:**
```
GET /api/v1/delete_order/1
```

### Health Check
- **GET** `/health` - Returns API status and database connection status

## Response Format

All API responses follow this format:

```json
{
  "success": true,
  "data": {...},
  "count": 1
}
```

Error responses:
```json
{
  "error": "Error message",
  "message": "Detailed error description"
}
```

## Database Schema

| Field | Type | Description |
|-------|------|-------------|
| id | INT | Auto-increment primary key |
| wallet | TEXT | Wallet address |
| mint | TEXT | Mint address |
| amount | BIGINT | Order amount (default: 100) |
| created_at | DATETIME | Timestamp (auto-generated) |
| user_id | TEXT | User identifier |

## Development

- **TypeScript** for type safety
- **Express.js** for the web framework
- **MySQL2** for database operations
- **Dotenv** for environment variable management