尝试创建保证金贷款时，币安 api 函数崩溃

如何解决尝试创建保证金贷款时，币安 api 函数崩溃

我正在为 api 接口编写一个函数，以在多头和空头保证金头寸之间快速切换。我在隔离帐户中有足够的资金来避免 MIN_NOTATIONAL 错误。创建订单后，债务和余额不会更新，当我调用 switch() 函数时，这会导致程序崩溃，因为程序要求从空账户借钱。

当我尝试使用 closeLong() 和 closeShort() 偿还贷款时，还会有少量余额，我无法弄清楚这是为什么，因为我使用了从 client.get_isolated_margin_account() 字典中提取的确切债务金额。

编辑：该货币对是 OCEAN/USDT，这是 3 倍保证金，这就是为什么 marginBase 和 marginQuote 的乘数是 3

代码：

isLongOpen = False
acct = client.get_isolated_margin_account()
sym = acct['assets'][1]['symbol']
def getBaseBalance():
    rawBase = round(Decimal(acct['assets'][1]['baseAsset']['free']),2)
    baseBalance = str(rawBase)
    return baseBalance
def getMarginBase():
    rawBase = round(Decimal(acct['assets'][1]['baseAsset']['free']),2)
    marginBase=str(Decimal(3)* rawBase)
    return marginBase
def getQuoteBalance():
    rawQuote = round(Decimal(acct['assets'][1]['quoteAsset']['free']),2)
    baseQuote = str(rawQuote)
    return baseQuote
def getMarginQuote():
    rawQuote = round(Decimal(acct['assets'][1]['quoteAsset']['free']),2)
    marginQuote=str(Decimal(3)* rawQuote)
    return marginQuote

def baseDebt():
    baseLoan = round(Decimal(acct['assets'][1]['baseAsset']['borrowed']),2)
    print("Ocean Debt: "+str(baseLoan))
    return baseLoan
def quoteDebt():
    quoteLoan = round(Decimal(acct['assets'][1]['quoteAsset']['borrowed']),2)
    print("USDT Debt: "+str(quoteLoan))
    return quoteLoan

def checkDebt():
    if baseDebt()!=0:
        print("Short Open")
        isLongOpen = False
        return isLongOpen
    elif quoteDebt()!=0:
        print("Long Open")
        isLongOpen = True
        return isLongOpen

def openLong():
    client.create_margin_order(
        symbol=sym,side= SIDE_BUY,type= ORDER_TYPE_MARKET,sideEffectType= 'MARGIN_BUY',isIsolated='TRUE',quoteOrderQty=getMarginQuote())
    print("Opened Long")

def closeLong():
    client.create_margin_order(
        symbol=sym,side=SIDE_SELL,type=ORDER_TYPE_MARKET,sideEffectType= 'AUTO_REPAY',quoteOrderQty=quoteDebt())  
    print("Closed Long")

def openShort():
    client.create_margin_order(
        symbol=sym,quantity=getMarginBase())   
    print("Opened Short")

def closeShort():
    client.create_margin_order(
        symbol=sym,side=SIDE_BUY,quantity=baseDebt())  
    print("Closed Short")

def switch():
    if(checkDebt() == True):
        closeLong()
        print("Base " +getBaseBalance())
        print("Quote "+getQuoteBalance())
        openShort()
        print("Base " +getBaseBalance())
        print("Quote "+getQuoteBalance())
    else:
        closeShort()
        print("Base " +getBaseBalance())
        print("Quote "+getQuoteBalance())
        openLong()
        print("Base " +getBaseBalance())
        print("Quote "+getQuoteBalance())
    
    return isLongOpen
print(sym)
print("Base " +getBaseBalance())
print("Quote "+getQuoteBalance())
print(checkDebt())
print(switch())
print("Base " +getBaseBalance())
print("Quote "+getQuoteBalance())
print("END")

这是此代码的输出，用于从空头切换和从多头切换：

OCEANUSDT
Base 39.36
Quote 0.00
Ocean Debt: 0.00
USDT Debt: 39.54
Long Open
True
Ocean Debt: 0.00
USDT Debt: 39.54
Long Open
USDT Debt: 39.54
Closed Long
Base 39.36
Quote 0.00
line 128,in openShort
    client.create_margin_order(
BinanceAPIException: APIError(code=-11008): Exceeding the account's maximum borrowable limit.

OCEANUSDT
Base 0.00
Quote 58.42
Ocean Debt: 25.95
Short Open
False
Ocean Debt: 25.95
Short Open
Ocean Debt: 25.95
Closed Short
Base 0.00
Quote 58.42
line 108,in openLong
    client.create_margin_order(
BinanceAPIException: APIError(code=-11008): Exceeding the account's maximum borrowable limit.