DA compression: decompression roundtrip tests #2238
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xgreenx
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Oct 5, 2024
Related #1605. VM PR FuelLabs/fuel-vm#670. This PR adds DA compression crate for Fuel blocks, performed upon block creation. The compressed blocks are stored into the offchain database and can be fetched using the GraphQL API. ## Note for reviewers To keep this reasonably compact, decompression support is not included in this PR, and will be done as a follow-up. As a result, the full data roundtrip testing is not part of this PR. There's no proof here that compression of full blocks is reversible. ## TODO #### Features - [x] Temporal registry db support - [x] Optimize temporal registry eviction implementation - [x] Implement TxId ↔ TxPointer lookups - [x] Integrate with the block committer (GraphQL interface, probably) #### Tests - [x] compressed blocks are available from non-block-producer nodes - [ ] e2e test for the full decompression cycle (moved to a follow-up) ## Follow-up issues - Sync the node from L1: #2208 - Decompression roudntrip tests #2238 - Figure out which cache eviction algorithm/behavior is wanted: #2231 - Figure out if we need to remove the compressed blocks from the db after a while - Merkle roots for fraud proofs #2232 --------- Co-authored-by: Aaryamann Challani <[email protected]> Co-authored-by: Green Baneling <[email protected]> Co-authored-by: Rafał Chabowski <[email protected]>
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Closely related to #2208 This PR tracks the actual implementation of decompression and testing that the compress-decompress cycle works.
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