Rust port of c-kzg-4844

Related tags

Learning Resources kzg_rust
Overview

KZG Rust

Rust port of https://github.com/ethereum/c-kzg-4844 . Uses the blst rust bindings for all BLS functionality.

Tries to be almost a line to line port of the C code in c_kzg_4844.c while rearranging some consts and utils into their own rust modules. Runs same test vectors from the original repository.

The crate exports 2 modules: kzg_mainnet and kzg_minimal which correspond to the mainnet and minimal spec variants in the ethereum consensus specs

Each module contains the following:

Following constants:

  • FIELD_ELEMENTS_PER_BLOB
  • BYTES_PER_BLOB

A Kzg struct with the associated methods:

  • load_trusted_setup
  • load_trusted_setup_file
  • blob_to_kzg_commitment
  • compute_kzg_proof
  • compute_blob_kzg_proof
  • verify_kzg_proof
  • verify_blob_kzg_proof
  • verify_blob_kzg_proof_batch

The following structs with specified values of the FIELD_ELEMENTS_PER_BLOB constant which refers to either mainnet or minimal spec parameters:

  • Blob
  • KzgSettings
  • TrustedSetup

The TrustedSetup struct is provided as an additional helper struct in this library to parse trusted setups in the json format provided in the ethereum consensus specs

Benchmarks

cargo bench
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Comments
  • Const generics

    Const generics

    Add support for const_generics to enable different values of FIELD_ELEMENTS_PER_BLOB. This exports 2 separate modules : kzg_mainnet and kzg_minimal without messing around with any conditional compilation.

    opened by pawanjay176 0
Owner
Pawan Dhananjay
Building eth2 @sigp.
Pawan Dhananjay
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