Implement SolidityGenerator
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CPerezz
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han0110
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CPerezz
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I'll apporve the PR as I don't want to keep it stucked.
TBH, I;d need more time to be able to sit down and propperly review all the logic. In any case, this is not meant to be used yet. So we can make an audit any week later this year if we feel like deploying this.
I'd add a huge disclaimer mentioning that this should not be used in production as it hasn't been yet been audited nor properly reviewed.
Aside from that, this is an awesome work Han. Amazing effort! 👏 👏
Make senses, thanks for reminding! I've added that in c51fe30 and hope it's clear! |
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Description
Currently it allows to generate verifier in 2 way:
kand preprocessed commitments from verifying key so we could reuse verifier with different verifying key as long as theconfigureis same (with one caveat, see the second bullet in Caveats).But it assumes:
Also the transcript behaves exactly same as the
EvmTranscriptinsnark-verifier.Benchmark
For
halo2wrongmain gate with range chip, the separated verifier contract has size only 38% of the output ofsnark-verifier, and surprisingly, the gas cost is 10k lesssnark-verifiereven it has many for-loops.Caveats
--via-iris necessary when compiling the generated contract, otherwise it'd cause stack too deep. However,--via-iris not allowed to be used with--standard-json, not sure how to workaround this.configureis same, the selector compression might lead to different configuration when selector assignments are different. To avoid this we might need to update halo2 to support disabling selector compression.Acknowledgement
The template is heavily inspired by Aztec's verifier contract https://github.com/AztecProtocol/barretenberg/blob/master/sol/src/ultra/BaseUltraVerifier.sol.