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autopilot: ZeroDivisionError

See original GitHub issue

Testing on jsarenik/plugins@34e1ad6 (the only difference to current master, 89c95e4, is an added requirements.txt file).

$ lightningd --version v0.7.0-382-g8ef6623

See #34 on how I run the daemon. This is my ~/.lightning/config:

network=testnet
log-level=debug

On the client side, same for both with and without dryrun, I get this:

$ lightning-cli autopilot-run-once dryrun
"Error while processing autopilot-run-once: ZeroDivisionError('float division by zero')"

On the daemon side:

...
2019-05-28T09:29:19.666Z plugin-autopilot.py I'd like to open 8 new channels with 942187 satoshis each
2019-05-28T09:29:19.667Z plugin-autopilot.py 2019-05-28 11:29:19,666 - lib-autopilot - INFO - running the autopilot on a graph with 2 nodes and 1 edges.
2019-05-28T09:29:19.667Z plugin-autopilot.py INFO:lib-autopilot:running the autopilot on a graph with 2 nodes and 1 edges.
2019-05-28T09:29:19.667Z plugin-autopilot.py 2019-05-28 11:29:19,667 - lib-autopilot - INFO - GENERATE CANDIDATES: Try to generate up to 8 nodes with 4 strategies: (random, central, network Improvement, liquidity)
2019-05-28T09:29:19.667Z plugin-autopilot.py INFO:lib-autopilot:GENERATE CANDIDATES: Try to generate up to 8 nodes with 4 strategies: (random, central, network Improvement, liquidity)
2019-05-28T09:29:19.668Z plugin-autopilot.py 2019-05-28 11:29:19,667 - lib-autopilot - INFO - DECREASE DIAMETER: Generating probability density function
2019-05-28T09:29:19.668Z plugin-autopilot.py INFO:lib-autopilot:DECREASE DIAMETER: Generating probability density function
2019-05-28T09:29:19.668Z plugin-autopilot.py 2019-05-28 11:29:19,668 - lib-autopilot - INFO - DECREASE DIAMETER: probability density function created
2019-05-28T09:29:19.668Z plugin-autopilot.py INFO:lib-autopilot:DECREASE DIAMETER: probability density function created
2019-05-28T09:29:19.669Z plugin-autopilot.py 2019-05-28 11:29:19,668 - lib-autopilot - INFO - manipulate_pdf: Skewing the probability density function
2019-05-28T09:29:19.669Z plugin-autopilot.py INFO:lib-autopilot:manipulate_pdf: Skewing the probability density function
2019-05-28T09:29:19.669Z plugin-autopilot.py 2019-05-28 11:29:19,669 - lib-autopilot - INFO - CENTRALITY_PDF: Try to generate a PDF proportional to centrality scores
2019-05-28T09:29:19.669Z plugin-autopilot.py INFO:lib-autopilot:CENTRALITY_PDF: Try to generate a PDF proportional to centrality scores
2019-05-28T09:29:19.671Z plugin-autopilot.py Traceback (most recent call last):
2019-05-28T09:29:19.672Z plugin-autopilot.py   File \"/home/n/src/plugins/autopilot/venv/lib/python3.7/site-packages/lightning/plugin.py\", line 352, in _dispatch_request
2019-05-28T09:29:19.672Z plugin-autopilot.py     result = self._exec_func(method.func, request)
2019-05-28T09:29:19.672Z plugin-autopilot.py   File \"/home/n/src/plugins/autopilot/venv/lib/python3.7/site-packages/lightning/plugin.py\", line 336, in _exec_func
2019-05-28T09:29:19.672Z plugin-autopilot.py     return func(*ba.args, **ba.kwargs)
2019-05-28T09:29:19.672Z plugin-autopilot.py   File \"./autopilot.py\", line 148, in run_once
2019-05-28T09:29:19.672Z plugin-autopilot.py     percentile=0.5
2019-05-28T09:29:19.672Z plugin-autopilot.py   File \"/home/n/src/plugins/autopilot/lib_autopilot.py\", line 382, in find_candidates
2019-05-28T09:29:19.672Z plugin-autopilot.py     res = self.__create_pdfs()
2019-05-28T09:29:19.672Z plugin-autopilot.py   File \"/home/n/src/plugins/autopilot/lib_autopilot.py\", line 291, in __create_pdfs
2019-05-28T09:29:19.672Z plugin-autopilot.py     res[\"centrality\"] = self.__get_centrality_pdf()
2019-05-28T09:29:19.672Z plugin-autopilot.py   File \"/home/n/src/plugins/autopilot/lib_autopilot.py\", line 165, in __get_centrality_pdf
2019-05-28T09:29:19.672Z plugin-autopilot.py     pdf = {k:v/cumsum for k, v in pdf.items()}
2019-05-28T09:29:19.672Z plugin-autopilot.py   File \"/home/n/src/plugins/autopilot/lib_autopilot.py\", line 165, in <dictcomp>
2019-05-28T09:29:19.672Z plugin-autopilot.py     pdf = {k:v/cumsum for k, v in pdf.items()}
2019-05-28T09:29:19.672Z plugin-autopilot.py ZeroDivisionError: float division by zero
2019-05-28T09:29:19.672Z plugin-autopilot.py

@renepickhardt Please have a look. Thanks!

Issue Analytics

State:
Created 4 years ago
Comments:6 (6 by maintainers)

Top GitHub Comments

1reaction

renepickhardtcommented, Nov 22, 2019

sorry I oversaw this. I could still update the code that the execution stops if the cumsum is 0 (which should never happen…)

1reaction

jsarenikcommented, Nov 19, 2019

Not sure now. It was some time ago. When I try again I will report with results. So far closing this. Thank you for feed-back.

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