Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Bug wih opening position on MEXC Futures

See original GitHub issue

THIS

mexc_futures = ccxt.mexc({
    "apiKey": config.MEXC_API_KEY,
    "secret": config.MEXC_SECRET_KEY,
    "options": {'defaultType': 'swap' }
})
symbol = 'LINK/USDT:USDT'
balance = float(mexc_futures.fetch_balance()["USDT"]["free"]) - float(mexc_futures.fetch_balance()["USDT"]["free"])/100*5
price = float(mexc_futures.fetch_ticker("LINK/USDT:USDT")["last"])
leverage = 0
for elem in mexc_futures.fetch_contract_markets():
    if elem["symbol"] == "LINK/USDT:USDT":
        leverage = int(elem["info"]["maxLeverage"])
amount = (math.floor((balance/price)*10*leverage)*0.98)
params = {'openType': 1,  "positionType":1, "leverage": leverage}
mexc_futures.create_swap_order(symbol, 1, 1, amount, price*1.01, params)

gets error

ccxt.base.errors.ExchangeError: mexc {"success":false,"code":2021,"message":"Leverage ratio is inconsistent with the existing position leverage ratio!"}

If i pass params by hand, for example symbol = 'LINK/USDT:USDT' balance = float(mexc_futures.fetch_balance()["USDT"]["free"]) - float(mexc_futures.fetch_balance()["USDT"]["free"])/100*5 price = float(mexc_futures.fetch_ticker("LINK/USDT:USDT")["last"]) params = {'openType': 1, "positionType":1, "leverage": 50} mexc_futures.create_swap_order(symbol, 1, 1, 2, price*1.01, params)

It will still say to me ccxt.base.errors.ExchangeError: mexc {"success":false,"code":2021,"message":"Leverage ratio is inconsistent with the existing position leverage ratio!"} Looks like another bug, because this contract HAS 50x leverage, but ccxt doesnt see this

If i try params = {'openType': 1, "positionType":1, "leverage": 1} mexc_futures.create_swap_order(symbol, 1, 1, 3, price*1.01, params) - it works, with the leverage MORE than 1 - IT DOESNT

params = {'openType': 1,  "positionType":1, "leverage": 2}
mexc_futures.create_swap_order(symbol, 1, 1, 3, price*1.01, params)

ccxt.base.errors.ExchangeError: mexc {"success":false,"code":2021,"message":"Leverage ratio is inconsistent with the existing position leverage ratio!"}

My dear sweat devs, who saves me all these days, can you please check it and fix it?