Buy_order 示例文件运行后报错如下：

`HTTPError Traceback (most recent call last) C:\ProgramData\Anaconda3\lib\site-packages\ccxt\base\exchange.py in fetch(self, url, method, headers, body) 658 self.logger.debug("%s %s, Response: %s %s %s", method, url, http_status_code, headers, http_response) --> 659 response.raise_for_status() 660

C:\ProgramData\Anaconda3\lib\site-packages\requests\models.py in raise_for_status(self) 952 if http_error_msg: --> 953 raise HTTPError(http_error_msg, response=self) 954

HTTPError: 400 Client Error: Bad Request for url: https://api.binance.com/api/v3/order

During handling of the above exception, another exception occurred:

BadRequest Traceback (most recent call last) C:\Users\ADMINI~1\AppData\Local\Temp\2/ipykernel_5980/3713414783.py in 17 18 # Run the strategy ---> 19 cerebro.run()

C:\ProgramData\Anaconda3\lib\site-packages\backtrader-1.9.76.123-py3.9.egg\backtrader\cerebro.py in run(self, **kwargs) 1125 # let's skip process "spawning" 1126 for iterstrat in iterstrats: -> 1127 runstrat = self.runstrategies(iterstrat) 1128 self.runstrats.append(runstrat) 1129 if self._dooptimize:

C:\ProgramData\Anaconda3\lib\site-packages\backtrader-1.9.76.123-py3.9.egg\backtrader\cerebro.py in runstrategies(self, iterstrat, predata) 1296 self._runnext_old(runstrats) 1297 else: -> 1298 self._runnext(runstrats) 1299 1300 for strat in runstrats:

C:\ProgramData\Anaconda3\lib\site-packages\backtrader-1.9.76.123-py3.9.egg\backtrader\cerebro.py in _runnext(self, runstrats) 1628 self._check_timers(runstrats, dt0, cheat=False) 1629 for strat in runstrats: -> 1630 strat._next() 1631 if self._event_stop: # stop if requested 1632 return

C:\ProgramData\Anaconda3\lib\site-packages\backtrader-1.9.76.123-py3.9.egg\backtrader\strategy.py in _next(self) 345 346 def _next(self): --> 347 super(Strategy, self)._next() 348 349 minperstatus = self._getminperstatus()

C:\ProgramData\Anaconda3\lib\site-packages\backtrader-1.9.76.123-py3.9.egg\backtrader\lineiterator.py in _next(self) 269 minperstatus = self._getminperstatus() 270 if minperstatus < 0: --> 271 self.next() 272 elif minperstatus == 0: 273 self.nextstart() # only called for the 1st value

C:\Users\ADMINI~1\AppData\Local\Temp\2/ipykernel_5980/1888998214.py in next(self) 14 # size x price should be >10 USDT at a minimum at Binance 15 # make sure you use a price that is below the market price if you don't want to actually buy ---> 16 self.order = self.buy(size=10, exectype=Order.Limit, price=35000) 17 # And immediately cancel the buy order 18 self.cancel(self.order);

C:\ProgramData\Anaconda3\lib\site-packages\backtrader-1.9.76.123-py3.9.egg\backtrader\strategy.py in buy(self, data, size, price, plimit, exectype, valid, tradeid, oco, trailamount, trailpercent, parent, transmit, **kwargs) 931 932 if size: --> 933 return self.broker.buy( 934 self, data, 935 size=abs(size), price=price, plimit=plimit,

C:\ProgramData\Anaconda3\lib\site-packages\bt_ccxt_store-1.0-py3.9.egg\ccxtbt\ccxtbroker.py in buy(self, owner, data, size, price, plimit, exectype, valid, tradeid, oco, trailamount, trailpercent, **kwargs) 300 del kwargs['parent'] 301 del kwargs['transmit'] --> 302 return self._submit(owner, data, exectype, 'buy', size, price, kwargs) 303 304 def sell(self, owner, data, size, price=None, plimit=None,

C:\ProgramData\Anaconda3\lib\site-packages\bt_ccxt_store-1.0-py3.9.egg\ccxtbt\ccxtbroker.py in _submit(self, owner, data, exectype, side, amount, price, params) 287 params = params['params'] if 'params' in params else params 288 params['created'] = created # Add timestamp of order creation for backtesting --> 289 ret_ord = self.store.create_order(symbol=data.p.dataname, order_type=order_type, side=side, amount=amount, price=price, params=params) 290 order = CCXTOrder(owner, data, exectype, side, amount, price, ret_ord) 291 self.open_orders.append(order)

C:\ProgramData\Anaconda3\lib\site-packages\bt_ccxt_store-1.0-py3.9.egg\ccxtbt\ccxtstore.py in retry_method(self, *args, **kwargs) 138 time.sleep(self.exchange.rateLimit / 1000) 139 try: --> 140 return method(self, *args, **kwargs) 141 except (NetworkError, ExchangeError): 142 if i == self.retries - 1:

C:\ProgramData\Anaconda3\lib\site-packages\bt_ccxt_store-1.0-py3.9.egg\ccxtbt\ccxtstore.py in create_order(self, symbol, order_type, side, amount, price, params) 166 def create_order(self, symbol, order_type, side, amount, price, params): 167 # returns the order --> 168 return self.exchange.create_order(symbol=symbol, type=order_type, side=side, 169 amount=amount, price=price, params=params) 170

C:\ProgramData\Anaconda3\lib\site-packages\ccxt\binance.py in create_order(self, symbol, type, side, amount, price, params) 2722 params = self.omit(params, 'stopPrice') 2723 request['stopPrice'] = self.price_to_precision(symbol, stopPrice) -> 2724 response = getattr(self, method)(self.extend(request, params)) 2725 return self.parse_order(response, market) 2726

C:\ProgramData\Anaconda3\lib\site-packages\ccxt\base\exchange.py in inner(_self, params, context) 499 if context is not None: 500 inner_kwargs['context'] = params --> 501 return entry(_self, **inner_kwargs) 502 return inner 503 to_bind = partialer()

C:\ProgramData\Anaconda3\lib\site-packages\ccxt\binance.py in request(self, path, api, method, params, headers, body, config, context) 4953 4954 def request(self, path, api='public', method='GET', params={}, headers=None, body=None, config={}, context={}): -> 4955 response = self.fetch2(path, api, method, params, headers, body, config, context) 4956 # a workaround for {"code":-2015,"msg":"Invalid API-key, IP, or permissions for action."} 4957 if (api == 'private') or (api == 'wapi'):

C:\ProgramData\Anaconda3\lib\site-packages\ccxt\base\exchange.py in fetch2(self, path, api, method, params, headers, body, config, context) 546 self.lastRestRequestTimestamp = self.milliseconds() 547 request = self.sign(path, api, method, params, headers, body) --> 548 return self.fetch(request['url'], request['method'], request['headers'], request['body']) 549 550 def request(self, path, api='public', method='GET', params={}, headers=None, body=None, config={}, context={}):

C:\ProgramData\Anaconda3\lib\site-packages\ccxt\base\exchange.py in fetch(self, url, method, headers, body) 673 except HTTPError as e: 674 details = ' '.join([self.id, method, url]) --> 675 skip_further_error_handling = self.handle_errors(http_status_code, http_status_text, url, method, headers, http_response, json_response, request_headers, request_body) 676 if not skip_further_error_handling: 677 self.handle_http_status_code(http_status_code, http_status_text, url, method, http_response)

C:\ProgramData\Anaconda3\lib\site-packages\ccxt\binance.py in handle_errors(self, code, reason, url, method, headers, body, response, requestHeaders, requestBody) 4931 return True 4932 feedback = self.id + ' ' + body -> 4933 self.throw_exactly_matched_exception(self.exceptions['exact'], error, feedback) 4934 raise ExchangeError(feedback) 4935 if not success:

C:\ProgramData\Anaconda3\lib\site-packages\ccxt\base\exchange.py in throw_exactly_matched_exception(self, exact, string, message) 564 def throw_exactly_matched_exception(self, exact, string, message): 565 if string in exact: --> 566 raise exactstring 567 568 def throw_broadly_matched_exception(self, broad, string, message):

BadRequest: binance {"code":-1104,"msg":"Not all sent parameters were read; read '11' parameter(s) but was sent '12'."}

`