import base64
import hashlib
import hmac
import uuid

def create_signature(api_key, api_secret, full_path_and_query, x_request_id, request_body=""):
    string_to_sign = (
        api_key + "\n" +
        full_path_and_query + "\n" +
        (x_request_id or "") + "\n" +
        (request_body or "")
    )

    digest = hmac.new(
        api_secret.encode("utf-8"),
        string_to_sign.encode("utf-8"),
        hashlib.sha256
    ).digest()

    return base64.b64encode(digest).decode("utf-8")

api_key = "your_api_key"
api_secret = "your_secret"
full_path_and_query = "/restful/v2/accounts/info"
x_request_id = str(uuid.uuid4())
request_body = ""

x_signature = create_signature(
    api_key,
    api_secret,
    full_path_and_query,
    x_request_id,
    request_body
)

print("X-Request-ID:", x_request_id)
print("X-Signature:", x_signature)

import base64
import hashlib
import hmac
import uuid

def create_signature(webhook_key, webhook_secret, full_path_and_query, x_request_id, request_body=""):
    string_to_sign = (
        webhook_key + "\n" +
        full_path_and_query + "\n" +
        (x_request_id or "") + "\n" +
        (request_body or "")
    )

    digest = hmac.new(
        webhook_secret.encode("utf-8"),
        string_to_sign.encode("utf-8"),
        hashlib.sha256
    ).digest()

    return base64.b64encode(digest).decode("utf-8")

webhook_key = "your_webhook_key"
webhook_secret = "your_secret"
full_path_and_query = "/v2/some/webhook/path"
x_request_id = str(uuid.uuid4())
request_body = ""

x_signature = create_signature(
    webhook_key,
    webhook_secret,
    full_path_and_query,
    x_request_id,
    request_body
)

print("X-Request-ID:", x_request_id)
print("X-Signature:", x_signature)