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Withdrawals push #2836

Merged
merged 39 commits into from
Mar 24, 2022
Merged

Withdrawals push #2836

merged 39 commits into from
Mar 24, 2022

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djrtwo
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@djrtwo djrtwo commented Feb 23, 2022

  • BeaconState maintains a queue of withdrawal_receipts (one receipt added for each call to withdraw())
  • min(MAX_WITHDRAWAL_TRANSACTIONS_PER_PAYLOAD, len(withdrawal_receipts)) receipts are dequeued into ExecutionPayload at each slot
  • Validator updates on how to build such payloads using the ExecutionEngine interface
  • add a bunch of tests for process_withdrawals and process_full_withdrawals

@djrtwo djrtwo changed the title Withdrawals push [WIP]Withdrawals push Feb 23, 2022
@djrtwo djrtwo changed the title [WIP]Withdrawals push [WIP] Withdrawals push Feb 23, 2022
@mkalinin
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We may also consider a separate Withdrawal operation on EL side to avoid mixing it with application layer transactions. A list of such operations could be a replacement for a list of ommers in the block body. Processing withdrawals is going to be very simple and could be a replacement of ommers processing logic.

@djrtwo djrtwo force-pushed the withdrawals-push branch from 531fdb9 to 1ab5206 Compare March 10, 2022 18:01
@djrtwo djrtwo force-pushed the withdrawals-push branch from 1ab5206 to 3dd83cf Compare March 10, 2022 19:30
@vshvsh
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vshvsh commented Mar 12, 2022

We've been working on a proposal for execution layer only push with a mechanism closer to how the deposit contract works:
generalized message bus, partial withdrawals based on it. Maybe this will be of use in the discussion.

This was referenced Mar 15, 2022
@djrtwo djrtwo changed the title [WIP] Withdrawals push Withdrawals push Mar 16, 2022
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@hwwhww hwwhww left a comment

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Great work!

I've run --preset=mainnet with this PR successfully.

Should we finish tests/core/pyspec/eth2spec/test/capella/fork/test_capella_fork_random.py in this PR? Or leave a TODO comment here?

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```python
def process_block(state: BeaconState, block: BeaconBlock) -> None:
process_block_header(state, block)
if is_execution_enabled(state, block.body):
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I think that this check and other checks in the spec that are related to the Merge transition should be removed in a cleanup fork after the Merge. Not directly related to Cappella but worth keeping in mind.

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yeah, I think so too

will address in separate PR. It needs some testing fixes -- e.g. all transition tests need to be labeled with_only_bellatrix

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Should be reviewed. There is a problem between the account and management account is being reviewed

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great work! left some comments

edit: i'll make a separate pass on the tests left one comment on a test case, otherwise they are a great start!

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lgtm!

@djrtwo djrtwo merged commit 656e6ae into dev Mar 24, 2022
@djrtwo djrtwo deleted the withdrawals-push branch March 24, 2022 16:08
@ralexstokes ralexstokes mentioned this pull request Jun 7, 2022
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9 participants