CCXT-WAVES 交易所：速率限制故障

问题描述

#sandBox.py

import ccxt
import datetime

def main():

    waves_exchange = ccxt.wavesexchange({
        'rateLimit': 1000,'enableRateLimit': True,'apiKey': 'API_KEY','secret': 'PRIVATE_KEY',})

    print('-----------------------------------------------------------')
    print(datetime.datetime.Now())
    print('First call:')
    begin_time = datetime.datetime.Now()
    balances = waves_exchange.fetchBalance()
    print(datetime.datetime.Now() - begin_time)

    while True:
        print('-----------------------------------------------------------')
        print(datetime.datetime.Now())
        print('Subsequent call:')
        begin_time = datetime.datetime.Now()
        balances = waves_exchange.fetchBalance()
        print(datetime.datetime.Now() - begin_time)

if __name__ == '__main__':
    main()

python3 沙盒.py

​​>

2021-01-26 14:12:39.115128 第一次调用： 0:00:04.459241

2021-01-26 14:12:43.574517 后续调用： 0:00:02.926449

2021-01-26 14:12:46.501095 后续调用： 0:00:02.816256

2021-01-26 14:12:49.317475 后续调用： 0:00:03.274282

2021-01-26 14:12:52.591881 后续调用： 0:00:02.718729

2021-01-26 14:12:55.310731 后续调用： 0:00:02.998748

2021-01-26 14:12:58.309597 后续调用： 0:00:02.995877

2021-01-26 14:13:01.305601 后续调用： 0:00:03.356364

2021-01-26 14:13:04.662076 后续调用：

Traceback (most recent call last):
  File "/home/maxximiliann/.local/lib/python3.8/site-packages/ccxt/base/exchange.py",line 588,in fetch
    response.raise_for_status()
  File "/usr/lib/python3/dist-packages/requests/models.py",line 940,in raise_for_status
    raise HTTPError(http_error_msg,response=self)
requests.exceptions.HTTPError: 400 Client Error: Bad Request for url: http://matcher.waves.exchange/matcher/balance/reserved/###PUBLIC_KEY###

During handling of the above exception,another exception occurred:

Traceback (most recent call last):
  File "sandBox.py",line 29,in <module>
    main()
  File "sandBox.py",line 25,in main
    balances = waves_exchange.fetchBalance()
  File "/home/maxximiliann/.local/lib/python3.8/site-packages/ccxt/wavesexchange.py",line 1307,in fetch_balance
    reservedBalance = self.matcherGetMatcherBalanceReservedPublicKey(matcherRequest)
  File "/home/maxximiliann/.local/lib/python3.8/site-packages/ccxt/base/exchange.py",line 465,in inner
    return entry(_self,**inner_kwargs)
  File "/home/maxximiliann/.local/lib/python3.8/site-packages/ccxt/base/exchange.py",line 490,in request
    return self.fetch2(path,api,method,params,headers,body)
  File "/home/maxximiliann/.local/lib/python3.8/site-packages/ccxt/base/exchange.py",line 486,in fetch2
    return self.fetch(request['url'],request['method'],request['headers'],request['body'])
  File "/home/maxximiliann/.local/lib/python3.8/site-packages/ccxt/base/exchange.py",line 604,in fetch
    self.handle_errors(http_status_code,http_status_text,url,http_response,json_response,request_headers,request_body)
  File "/home/maxximiliann/.local/lib/python3.8/site-packages/ccxt/wavesexchange.py",line 1459,in handle_errors
    raise Exception(self.id + ' ' + message)
ccxt.base.errors.AuthenticationError: wavesexchange The request has an invalid signature

尽管速率限制设置为一秒，但每隔 +/- 三秒生成一次结果。要按预期工作，还缺少什么？

另外，为什么会突然出现错误？这些应该如何解决？

解决方法

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