# SIGNATURE

## Route: /sign

### Description

This endpoint generates a unique signature for a specified wallet address and saves it using Redis. It also supports an optional header signature and secure signing via UUID.

### Method

`GET`

### Query Parameters

* `wallet` (required): The wallet address to generate the signature for.
* `contract_id` (optional): The contract ID  
* `header_signature` (optional): An optional header signature to prepend to the generated signature.
* `secure_sign` (optional): If provided, a secure UUID-based sign ID will be used to save the signature.

### Responses

#### Success

* **Status**: 200 OK
* **Content-Type**: application/json
* **Body**:

  ```json
  {
    "status": true,
    "message": "get_sign",
    "data": {
      "signature": "generated-signature",
      "sign_id": "uuid-sign-id" // Only if secure_sign is provided
    }
  }
  ```

## Route: /check

### Description

This endpoint checks the validity of a signature for a specified wallet address to ensure permission.

### Method

`GET`

### Query Parameters

* `sign_message` (required): The signed message to be validated.
* `sign_id` (optional): The identifier of the signature.
* `wallet` (required): The wallet address to match against the signature.

### Responses

#### Success

* **Status**: 200 OK
* **Content-Type**: application/json
* **Body**:

  ```json
  {
    "status": true,
    "message": "good signature",
    "connexion": true
  }
  ```