zkvm-prover

📜 scroll-prover 📜

Usage

Latest Release

v0.10.3 is used in Scroll Mainnet currently. Branch main HEAD is used for development.

Prerequisite

Install Solidity compiler solc of version 0.8.19 via svm-rs:

cargo install svm-rs
svm install 0.8.19

Download all setup params(SRS), degree 20, 24 and 26 are used in config. Could only download params of degree 26, but it may affect performance (when downsizing params).

make download-setup -e degree=20
make download-setup -e degree=24
make download-setup -e degree=26

Or specify other degree and target directory to download.

# As default `degree=26` and `params_dir=./integration/params`.
make download-setup -e degree=DEGREE params_dir=PARAMS_DIR

There params are mirrored from PSE's converted setup files which was originally created by perpetual-powers-of-tau.

Testing

make test-chunk-prove and make test-e2e-prove are the main testing entries for multi-level circuit constraint system of scroll-prover. Developers could understand how the system works by reading the codes of these tests.

And there are other tests:

make test-inner-prove could be used to test the first-level circuit.
make test-batch-prove could be used to test the final two levels.

Binaries

Could use the following command to run binaries locally.

Run zkevm prover to generate chunk proof (work directory is ./integration)

# Params file should be located in `./integration/params`.
cargo run --release --bin trace_prover -- --params=params --trace=tests/extra_traces/batch_34700/chunk_1236462/block_4176564.json

Verifier Contract

Both YUL and bytecode of verifier contract could be generated when running aggregation tests (make test-e2e-prove). After running aggregation tests, a new folder is created in integration folder of scroll-prover and named like integration/outputs/e2e_tests_*. It contains below files:

Chunk protocol: chunk_chunk_0.protocol
Chunk VK: vk_chunk_0.vkey
Batch VK: vk_batch_agg.vkey
Verifier YUL source code: evm_verifier.yul
Verifier bytecode: evm_verifier.bin

The YUL source code is generated by params, VK and num instance of proof, could reference gen_evm_verifier function in snark-verifier.

The verifier bytecode is compiled from YUL source code, it invokes Solidity compiler (0.8.19 as mentioned above) command line with specified parameters, could reference compile_yul function in snark-verifier.

License

Licensed under either of

Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

License

scroll-tech/scroll-prover

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