def sign(self, request: Request) -> Request:
"""
Generate BINANCE signature.
"""
security = request.data["security"]
if security == Security.NONE:
request.data = None
return request
if request.params:
path = request.path + "?" + urllib.parse.urlencode(request.params)
else:
request.params = dict()
path = request.path
if security == Security.SIGNED:
timestamp = int(time.time() * 1000)
if self.time_offset > 0:
timestamp -= abs(self.time_offset)
elif self.time_offset < 0:
timestamp += abs(self.time_offset)
request.params["timestamp"] = timestamp
query = urllib.parse.urlencode(sorted(request.params.items()))
signature = hmac.new(self.secret, query.encode(
"utf-8"), hashlib.sha256).hexdigest()
query += "&signature={}".format(signature)
path = request.path + "?" + query
request.path = path
request.params = {}
request.data = {}
# Add headers
headers = {
"Content-Type": "application/x-www-form-urlencoded",
"Accept": "application/json",
"X-MBX-APIKEY": self.key
}
if security in [Security.SIGNED, Security.API_KEY]:
request.headers = headers
return request
def sign(self, request: Request) -> Request:
"""
Generate HUOBI signature.
"""
request.headers = {
"User-Agent":
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.71 Safari/537.36"
}
params_with_signature = create_signature(self.key, request.method,
self.host, request.path,
self.secret, request.params)
request.params = params_with_signature
if request.method == "POST":
request.headers["Content-Type"] = "application/json"
if request.data:
request.data = json.dumps(request.data)
return request