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Move self-holding logic from core to Sim2h to fix consistency model problems #1990

merged 8 commits into from Dec 18, 2019


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lucksus commented Dec 17, 2019

PR summary

These changes replace merging the authoring list into the gossip list with code in sim2h_worker that makes the instance hold everything it's authoring.

This has two benefits:

  1. Always merging the authoring into the gossip list was the only code in core that assumes a full-sync DHT. We don't want that assumption in core - if we are in a full-sync or sharded DHT should be only sim2h's concern.
  2. By having core hold it's own entries explicitly we are true to the assumption in Hachiko - namely that we can tell by the core action HoldAspect if a node is holding something.

testing/benchmarking notes

( if any manual testing or benchmarking was/should be done, add notes and/or screenshots here )


( any new tickets/concerns that were discovered or created during this work but aren't in scope for review here )


  • if this is a code change that effects some consumer (e.g. zome developers) of holochain core, then it has been added to our between-release changelog with the format
- summary of change [PR#1234](


lucksus added 3 commits Dec 17, 2019
… make sure instance is holding all authored entries by sending store requests
zippy approved these changes Dec 17, 2019
lucksus and others added 5 commits Dec 17, 2019
…y signals during startup.
…olochain-rust into cleanup-holding-gossip-logic
@thedavidmeister thedavidmeister merged commit d150033 into develop Dec 18, 2019
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@thedavidmeister thedavidmeister mentioned this pull request Dec 18, 2019
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@zippy zippy deleted the cleanup-holding-gossip-logic branch Jan 3, 2020
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