Optimizations: Equihash & Feats: Assumevalid + SPV#4
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b-j-roberts merged 49 commits intomainfrom Dec 17, 2025
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| result = { | ||
| "chain_state": format_chain_state(initial_chain_state), | ||
| "blocks": formatted_blocks, | ||
| "expected": format_chain_state(chain_state), | ||
| "sorted_indices_hints": sorted_indices_hints, |
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Would need to change that in the assumevalid crate as well (preparing args)
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…pre parsed indices )
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Summary
Optimizes the Equihash proof-of-work validation for ZK prover efficiency. Restructures validation to minimize Cairo steps while maintaining full security guarantees equivalent to the reference implementation.
Current savings estimate:
40,277,059 steps->859,899 steps( ~98% )Key Optimizations/Changes
blake2bfeature flag, so cairo1 impl is used by defaultArray<u32>instead ofArray<u8>, eliminatingexpand_arraybyte manipulationdistinct_indiceswith Schwartz-Zippel permutation verification using prover-provided sorted hintHow to Test
Using cairo1 blake2b
cd packages/client ../../scripts/data/integration_tests.shUsing blake2b opcode
git clone --recursive https://github.com/Ztarknet/zoro-proving-stack.git cd zoro-proving-stack ./setup.sh make scarb-buildcd packages/client SCARB=/path/to/scarb/target/debug/scarb ../../scripts/data/integration_tests.sh --features=blake2b