Simplified attestation subnet mapping#3735
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AgeManning wants to merge 3 commits intoethereum:devfrom
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jimmygchen
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Jul 29, 2024
jimmygchen
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Oct 4, 2024
| # `2**10` (= 1024) | ||
| MAX_REQUEST_BLOCKS: 1024 | ||
| # `2**8` (= 256) | ||
| EPOCHS_PER_SUBNET_SUBSCRIPTION: 256 |
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I vague recall there was a discussion on this somewhere but I couldn't find it - does the rotation not provide any benefit?
jimmygchen
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Oct 4, 2024
| ATTESTATION_SUBNET_COUNT: 64 | ||
| ATTESTATION_SUBNET_EXTRA_BITS: 0 | ||
| # ceillog2(ATTESTATION_SUBNET_COUNT) + ATTESTATION_SUBNET_EXTRA_BITS | ||
| ATTESTATION_SUBNET_PREFIX_BITS: 6 |
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Do we want to keep this as config, and update the comment to ceillog2(ATTESTATION_SUBNET_COUNT), so it doesn't need to be computed in compute_subscribed_subnet?
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I am closing this issue because it seems stale. Please, do not hesitate to reopen it if this is a mistake |
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Overview
This is a continuation of #3623 and linked PR's and issues.
There is quite a bit of complexity in how we should map a node-id to a backbone gossipsub topic. I think a number of future PRs are required in to address each complexity in turn.
In Lighthouse, we plan to adopt this simple approach, whilst discussion can continue on potentially more complex forms of this mapping. This approach simplifies the current state of the mapping and allows us to take advantage of improved discovery searches, which is the primary motivation behind this.