Christian Decker bd811fbd1a pyln: Add safe fallback results for hooks ... Hooks do not tolerate failures at all. If we return a JSON-RPC error to a hook call the only thing the main daemon can really do is to crash. This commit adds a mapping of error to a safe fallback result, including a warning to the node operator that this should be addressed in the plugin. The warning is reported as a `**BROKEN**` message, and should therefore fail any testing done on the plugin. Changelog-Fixed: pyln: Fixed HTLCs hanging indefinitely if the hook function raises an exception. A safe fallback result is now returned instead.		2020-09-10 10:27:24 +09:30
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client	pyln: Add safe fallback results for hooks	2020-09-10 10:27:24 +09:30