def _signature(cls, apikey, msg):
"""Calculation of the SHA-512 authentication signature.
@param apikey: API-key dict {'Key': '...', 'Secret': '...'}
@param msg: method and parameters (Trade API)"""
sign = newhash(apikey['Secret'], msg=msg, digestmod=_sha512)
cls._post_headers['Key'] = apikey['Key']
cls._post_headers['Sign'] = sign.hexdigest()
def _signature(cls, apikey, msg):
"""Calculation of the SHA-512 authentication signature.
@param apikey: Trade API-Key {'Key': 'KEY', 'Secret': 'SECRET'}
@param msg: Trade API method and parameters"""
sign = newhash(str.encode(apikey['Secret']),
msg=str.encode(msg),
digestmod=_sha512)
cls._post_headers['Key'] = apikey['Key']
cls._post_headers['Sign'] = sign.hexdigest()