Bn Obtain the Minimum Precision Increment Essential for a Stable Trading System

#!Python3

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

Binance Contract can be used to solve the problem of abnormal orders due to accuracy, obtain the minimum change unit, and use it to stabilize the operation of the trading system.
"""

import requests


def get_min_size(symbol: str, host="https://www.binancezh.jp"):
    
    """
    Get the minimum change unit
    Args:
        symbol: trading pair(str)
                For example: ETHUSDT, etc.
        host: Domain name will affect access timeout
              Overseas address: https://fapi.binance.com
              Domestic address (needs to be replaced after change)): https://www.binancezh.jp
    Returns:
        Minimum price increment (str), minimum quantity increment(str)
    """
    
    tick_size, step_size = None, None
    symbols_info = requests.get(f"{host}/fapi/v1/exchangeInfo", timeout=5).json()["symbols"]
    
    for info in symbols_info:
        if symbol == info["symbol"]:
            tick_size, step_size = info["filters"][0]["tickSize"], info["filters"][1]["stepSize"]
            break
            
    return tick_size, step_size


def main():
    tick_size, step_size = get_min_size("ETHUSDT")
    Log(tick_size, step_size)