[Python] OKX error {'msg': 'Invalid OK-ACCESS-TIMESTAMP', 'code': '50112'}

Issue with Timestamp Expiry Error

Hello Forum Members,

I'm encountering an issue with my Python code while interfacing with the OKEx API. Specifically, I'm receiving a {'msg': 'Invalid OK-ACCESS-TIMESTAMP', 'code': '50112'}. Here's a simplified version of the relevant code snippet:

class OkexBot:
def init(self, APIKEY: str, APISECRET: str, PASS: str):
self.apikey = APIKEY
self.apisecret = APISECRET
self.password = PASS
self.baseURL = 'https://www.okex.com'

@staticmethod
def get_time():
time_cur = dt.datetime.now(dt.timezone.utc).isoformat("T", "milliseconds") + 'Z'
return time_cur


@staticmethod
def signature(timestamp, method, request_path, body, secret_key):
message = timestamp + method + request_path + body
mac = hmac.new(bytes(secret_key, encoding='utf8'), bytes(message, encoding='utf-8'), digestmod='sha256')
output = mac.digest()
return base64.b64encode(output)

def get_header(self, request='GET', endpoint='', body=''):
cur_time = self.get_time()
header = dict()
header['CONTENT-TYPE'] = "application/json"
header['OK-ACCESS-KEY'] = APIKEY
header['OK-ACCESS-SIGN'] = self.signature(cur_time, request, endpoint, body, APISECRET)
header['OK-ACCESS-TIMESTAMP'] = str(cur_time)
header['OK-ACCESS-PASSPHRASE'] = PASS
return header

def withdrawal(self, account, amount):
endpoint = '/api/v5/asset/withdrawal'
url = self.baseURL + endpoint
request = 'POST'
body = {
"amt": str(amount),
"fee": "0.0096",
"dest": "4",
"ccy": "SOL",
"chain": "SOL-Solana",
"toAddr": account
}
body = json.dumps(body)
header = self.get_header(request, endpoint, str(body))
response = requests.post(url, headers=header, data=body)
return response


I changed the way to get the current time

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