ZT Exchange Interface Can Be Used for Connecting Platforms; Currently Does Not Support Less Popular Exchanges ZT

#!Python3

"""
"Strategy writing » and (this program helps), write toQQ:35787501

ZT Exchange interface, can be used to connect exchanges not currently supported by the platform ZT
"""

from requests import get, post
from hashlib import md5
from urllib.parse import urlencode


class ZT:
    def __init__(self, api_key, secret_key):
        self.api_key = api_key
        self.secret_key = secret_key
        self.host = "https://www.ztb.im"
        self.headers = {
            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) '
                          'AppleWebKit/537.36 (KHTML, like Gecko) '
                          'Chrome/92.0.4515.159 Safari/537.36',
            "content-type": "application/x-www-form-urlencoded",
            'X-SITE-ID': '1',
        }

    def http_post(self, path, params):
        return post(f"{self.host}{path}", data=urlencode(params), headers=self.headers, timeout=5)

    def get_sign(self, params):
        return md5((urlencode(params) + f"&secret_key={self.secret_key}").encode()).hexdigest().upper()

    def get_ticker(self, symbol):
        return float(
            get(
                f"{self.host}/api/v1/trades?symbol={symbol}&size=1", headers=self.headers, timeout=5
            ).json()[0]["price"]
        )

    def send_order(self, symbol, side, price, amount):
        path = "/api/v1/private/trade/limit"
        params = {
            "amount": amount,
            "api_key": self.api_key,
            "market": symbol,
            "price": price,
        }
        all_side = {"close_sell": 1, "open_buy": 2}
        params["side"] = all_side[side]
        params["sign"] = self.get_sign(params)
        return str(self.http_post(path, params).json().get("result", {'id': "0"})["id"])

    def select_order(self, symbol, oid):
        path = "/api/v1/private/order/pending/detail"
        params = {
            "api_key": self.api_key,
            "market": symbol,
            "order_id": oid,
        }
        params["sign"] = self.get_sign(params)
        return not self.http_post(path, params).json()['result']

    def cancel_order(self, symbol, oid):
        path = "/api/v1/private/trade/cancel"
        params = {
            "api_key": self.api_key,
            "market": symbol,
            "order_id": oid,
        }
        params["sign"] = self.get_sign(params)
        return self.http_post(path, params).json()