release v1.3.0-rc.3 #3263
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release v1.3.0-rc.3 #3263
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Contributor
djrtwo
commented
Feb 20, 2023
•
djrtwo
commented
- testgen
- bump VERSION.txt
Add on_attester_slashing() to handlers list
Fix the unsigned block outputs
This PR reintroduces and further decouples blocks and blobs in EIP-4844, so as to improve network and processing performance. Block and blob processing, for the purpose of gossip validation, are independent: they can both be propagated and gossip-validated in parallel - the decoupled design allows 4 important optimizations (or, if you are so inclined, removes 4 unnecessary pessimizations): * Blocks and blobs travel on independent meshes allowing for better parallelization and utilization of high-bandwidth peers * Re-broadcasting after validation can start earlier allowing more efficient use of upload bandwidth - blocks for example can be rebroadcast to peers while blobs are still being downloaded * bandwidth-reduction techniques such as per-peer deduplication are more efficient because of the smaller message size * gossip verification happens independently for blocks and blobs, allowing better sharing / use of CPU and I/O resources in clients With growing block sizes and additional blob data to stream, the network streaming time becomes a dominant factor in propagation times - on a 100mbit line, streaming 1mb to 8 peers takes ~1s - this process is repeated for each hop in both incoming and outgoing directions. This design in particular sends each blob on a separate subnet, thus maximising the potential for parallelisation and providing a natural path for growing the number of blobs per block should the network be judged to be able to handle it. Changes compared to the current design include: * `BlobsSidecar` is split into individual `BlobSidecar` containers - each container is signed individually by the proposer * the signature is used during gossip validation but later dropped. * KZG commitment verification is moved out of the gossip pipeline and instead done before fork choice addition, when both block and sidecars have arrived * clients may verify individual blob commitments earlier * more generally and similar to block verification, gossip propagation is performed solely based on trivial consistency checks and proposer signature verification * by-root blob requests are done per-blob, so as to retain the ability to fill in blobs one-by-one assuming clients generally receive blobs from gossip * by-range blob requests are done per-block, so as to simplify historical sync * range and root requests are limited to `128` entries for both blocks and blobs - practically, the current higher limit of `1024` for blocks does not get used and keeping the limits consistent simplifies implementation - with the merge, block sizes have grown significantly and clients generally fetch smaller chunks.
Updated eip4844 references to deneb
…erkle proof path compat
…future Deneb merge
Simplify commitee weight computation
Move experimental features to `specs/_features` folder
…in_domain Fix `compute_quotient_eval_within_domain` overflow
* also, use root/index for uniqueness
Co-authored-by: Hsiao-Wei Wang <[email protected]>
Co-authored-by: g11tech <[email protected]>
EIP4844: Fix typo in polynomial-commitments.md
EIP4844: Remove repeated computation in polynomial-commitments.md
sama as block
EIP-4844: Free the blobs
add deposit+bls_change test
EIP4844: Clarify the use of context bytes in all RPC methods in 4844
bump VERSION.txt to 1.3.0-rc.3
hwwhww
approved these changes
Feb 21, 2023
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