feat!: make Network and IBC vats durable #8721
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This reverts commit cc7626d.
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- check types.js: optional args - Vow$(S) is S or Vow<S> - names for remotables plus Endpoint, Data, Bytes
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fixes #8950
fixes #5696
fixes #8319
refs #8742
Description
As part of the Calypso work, we need to be able to upgrade both the IBC and Network vats. Making this upgradable entails moving a lot of our
Farobjects to exo classes to make them durable. This PR includes all the work to move towards the durable pattern leveraging Zones. Given that IBC and Network are pretty intertwined, this PR makes both changes.Security Considerations
We intend to run this through both first-party and third-party security reviews.
Scaling Considerations
We are now leveraging Zones to make these vats durable. Doing so means that we'll be taking advantage of on-chain storage to storage the various objects in the network and ibc vats.
Documentation Considerations
We'll be creating extensive documentation, including READMEs, diagram, code flows, etc.
Testing Considerations
There are multiple unit and integration tests that we've been leveraging to test this change. The green CI is a big win for testing, but we are also planning on creating a A3P test that will simulate an actual upgrade so we can confirm that handlers still work and data is still flowing between upgrades.
Upgrade Considerations