import requests

import json

import base64

import hmac

import hashlib

import datetime

import time

if __name__ == "__main__":

base_url = "https://api.sandbox.gemini.com"

endpoint = "/v1/order/new"

url = base_url + endpoint

gemini_api_key = "account-PsnWZPOnOf0FatEh3pWj"

gemini_api_secret = "49wC5psfvDhMmtKaNzmmVg42yYYb"

t = datetime.datetime.now()

payload_nonce = str(int(time.mktime(t.timetuple()) * 1000))

payload = {

"request" : "/v1/order/new",

"nonce" : payload_nonce,

"symbol" : "btcusd",

"amount" : "5",

"price" : "7428.00",

"side" : "buy",

"type" : "exchange limit",

"options" : ["maker-or-cancel"]

}

encoded_payload = json.dumps(payload).encode()

b64 = base64.b64encode(encoded_payload)

signature = hmac.new(bytes(gemini_api_secret, "latin-1"), b64, hashlib.sha384).hexdigest()

print(signature)

requests_header = {

"Content-Type" : "text/plain",

"Content-Length" : "0",

"X-GEMINI-APIKEY" : gemini_api_key,

"X-GEMINI-PAYLOAD" : b64,

"X-GEMINI-SIGNATURE" : signature,

"Cache-Control" : "no-cache"

}

response = requests.post(url,

data = None,

headers = requests_header)

new_order = response.json()

print(new_order)