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feat: Zoe use watchPromise() to wait for contract finish #8453
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Agoric/agoric-3-proposals#18 tests upgrading agoric-3 with this version of Zoe. The upgrade is failing due to: "durable Kind stateShape mismatch (body)"
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Fixed by reverting the string in the |
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onFulfilled: M.call( | ||
M.any(), | ||
InstanceAdminShape, | ||
M.remotable('adminNode'), |
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This param isn't used. I thought we could remove it, but then remembered that in the latest Endo, Exo methods fail if they are passed extra arguments. Filing for future work: #8709
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I'm getting conflicting opinions from tslint. If I have the following
then If I leave out the Somehow CI runs both checks. Is there a way to make them both happy? |
use watchPromise() to wait for contract finish; This repairs new contracts, but doesn't help existing contracts.
There was a bug in the part of the test that was attempting to run a bunch of scenarios across the upgrade. Rather than resuming each run after the upgrade, it was running the whole scenario from scratch after the upgrade.
it's not necessarily null. it's whatever the version is that's built.
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* feat: zcf ask zoe to repair 'adminNode.done()` watcher on restart use watchPromise() to wait for contract finish; This repairs new contracts, but doesn't help existing contracts. * test: add tests for userSeat.getExitSubscriber() * test: repair broken test of upgrade There was a bug in the part of the test that was attempting to run a bunch of scenarios across the upgrade. Rather than resuming each run after the upgrade, it was running the whole scenario from scratch after the upgrade. * test: demonstrate Zoe's survival through vatAdmmin vat upgrade * refactor: upgrade-zoe proposal name it's not necessarily null. it's whatever the version is that's built. --------- Co-authored-by: Turadg Aleahmad <[email protected]>
fixes: #8387
fixes: #8265
fixes: #8263
fixes: #8915
Description
Zoe wants to exit all seats when the contract completes. It currently attempts to do that with an ephemeral promise, which will break when Zoe itself is upgraded. This uses durable watched promises to surmount that problem.
Security Considerations
Zoe's durability guarantees, and ability to maintain payout liveness when a contract crashes.
Scaling Considerations
Not a major issue.
Documentation Considerations
N/A
Testing Considerations
There are two tests of upgrade in zoe (test-zoe-upgrade and upgrade-covered-call). These tests invoke the new
onFulfilled
handler.This PR updates
test-zoe-upgrade
to include a restart (null upgrade) of the vat-admin vat. With that and a fix (581e9ad8) to the test, the old code fails the upgrade, and the new code passes.Upgrade Considerations
It's all about upgrade.