It seems this exception is very common on Kraken. It works once minute and next day, it throws this. It seems quite a problem as according to these problems since the Kraken API and exchange are flaky on response time. Should this exchange be trusted on the exchange level?
https://github.com/ccxt/ccxt/issues/52
https://github.com/ccxt/ccxt/wiki/Manual#troubleshooting
One solution is to generate new API key. No script can keep doing that dynamically. Here are the exceptions
File "margin-leverage-order-kraken.py", line 58, in <module>
kraken.create_order('BCH/BTC', 'market', 'sell', 0.000002, None)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/ccxt/kraken.py", line 801, in create_order
response = self.privatePostAddOrder(self.extend(order, params))
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/ccxt/base/exchange.py", line 404, in inner
return entry(_self, **inner_kwargs)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/ccxt/base/exchange.py", line 433, in request
return self.fetch2(path, api, method, params, headers, body)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/ccxt/base/exchange.py", line 429, in fetch2
return self.fetch(request['url'], request['method'], request['headers'], request['body'])
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/ccxt/base/exchange.py", line 532, in fetch
self.handle_errors(response.status_code, response.reason, url, method, headers, http_response, json_response)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/ccxt/kraken.py", line 1302, in handle_errors
raise InvalidNonce(self.id + ' ' + body)
ccxt.base.errors.InvalidNonce: kraken {"error":["EAPI:Invalid nonce"]}
If it is like this with Kraken flakiness, should I just go back to the Binance non USA exchange. I had no problems there. Let me know what you think.
If i switch back to an exchange Americans have no access to, they can stick with Binance USA, Coinbase, , and many others supported by ccxt. I have tested with a new API key which works with Binance Asia. Now I need to analyze what are the best coin pairs to use for testing at a minimum cost.
Also note this on the above links for ccxt developer:
Lags are well-known, those are on Kraken side. Most users report the same (not only ccxt users, but most of Kraken users).
https://status.kraken.com/
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