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Pull request overview
This pull request restructures the groth16_verifier directory into a Cargo workspace and adds a BN254 Groth16 verifier implementation alongside the existing BLS12-381 implementation.
Changes:
- Restructured the project into a Cargo workspace with two member packages: bls12-381 and bn254
- Moved existing BLS12-381 verifier code from the root to the bls12-381 subdirectory
- Added BN254 Groth16 verifier with contract implementation, tests, and generated artifacts
Reviewed changes
Copilot reviewed 18 out of 37 changed files in this pull request and generated 5 comments.
Show a summary per file
| File | Description |
|---|---|
| groth16_verifier/Cargo.toml | Converted to workspace configuration with shared dependencies, upgraded soroban-sdk to 25.0.2 |
| groth16_verifier/Cargo.lock | Updated with new workspace structure and additional dependencies for ark-bn254 0.5.0 |
| groth16_verifier/Makefile | Updated to build both packages and optimize WASM outputs to opt/ directory |
| groth16_verifier/README | Updated to describe both implementations (note: lacks .md extension) |
| groth16_verifier/src/test.rs | Deleted - moved to bls12-381/src/test.rs |
| groth16_verifier/bls12-381/* | New subdirectory containing migrated BLS12-381 implementation |
| groth16_verifier/bn254/* | New subdirectory containing BN254 implementation with lib.rs, tests, data artifacts, and auxiliary files |
Comments suppressed due to low confidence (1)
groth16_verifier/README:16
- The main README file lacks a .md extension while the subdirectory READMEs (bls12-381/README.md and bn254/README.md) have .md extensions. For consistency and better platform support (e.g., GitHub rendering), consider renaming this file to README.md.
# Groth16 Verifier Examples
This directory contains two Groth16 verifier contracts:
- BLS12-381 implementation: [bls12-381](bls12-381)
- BN254 implementation: [bn254](bn254)
Each subpackage includes its own contract, tests, and data artifacts. Shared Rust toolchain configuration remains at the workspace root.
## ⚠️ WARNING: Demonstration Use Only
**This project is for demonstration purposes only.**
- It has **not** undergone security auditing
- It is **not** safe for use in production environments
**Use at your own risk.**
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| [dev-dependencies] | ||
| soroban-sdk = { workspace = true, features = ["testutils"] } | ||
| ark-bn254 = { version = "0.5.0" } | ||
| ark-serialize = { version = "0.5.0" } |
There was a problem hiding this comment.
The BN254 package uses ark-serialize version 0.5.0, while soroban-env-host uses ark-serialize version 0.4.2. This version mismatch could lead to compatibility issues. Consider using ark-serialize version 0.4.2 to match the runtime dependency.
| ark-serialize = { version = "0.5.0" } | |
| ark-serialize = { version = "0.4.2" } |
| ark-bn254 = { version = "0.5.0" } | ||
| ark-serialize = { version = "0.5.0" } | ||
| ark-ff = { version = "0.5.0" } | ||
| ark-ec = { version = "0.5.0" } |
There was a problem hiding this comment.
The BN254 package uses ark-ec version 0.5.0, while soroban-env-host uses ark-ec version 0.4.2. This version mismatch could lead to compatibility issues. Consider using ark-ec version 0.4.2 to match the runtime dependency.
| ark-ec = { version = "0.5.0" } | |
| ark-ec = { version = "0.4.2" } |
| #[contracterror] | ||
| #[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord)] |
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Extra blank lines between the use statement and contracterror definition. The bls12-381 implementation has only one blank line here. Consider removing one blank line for consistency.
| ark-bn254 = { version = "0.5.0" } | ||
| ark-serialize = { version = "0.5.0" } | ||
| ark-ff = { version = "0.5.0" } | ||
| ark-ec = { version = "0.5.0" } |
There was a problem hiding this comment.
The BN254 package uses ark-bn254 version 0.5.0, while soroban-env-host (a dependency of soroban-sdk) uses ark-bn254 version 0.4.0. This version mismatch could lead to subtle compatibility issues or unexpected behavior. Consider using ark-bn254 version 0.4.0 to match the runtime dependency, or verify that version 0.5.0 is intentionally required for test-only functionality.
| ark-bn254 = { version = "0.5.0" } | |
| ark-serialize = { version = "0.5.0" } | |
| ark-ff = { version = "0.5.0" } | |
| ark-ec = { version = "0.5.0" } | |
| ark-bn254 = { version = "0.4.0" } | |
| ark-serialize = { version = "0.4.0" } | |
| ark-ff = { version = "0.4.0" } | |
| ark-ec = { version = "0.4.0" } |
| soroban-sdk = { workspace = true, features = ["testutils"] } | ||
| ark-bn254 = { version = "0.5.0" } | ||
| ark-serialize = { version = "0.5.0" } | ||
| ark-ff = { version = "0.5.0" } |
There was a problem hiding this comment.
The BN254 package uses ark-ff version 0.5.0, while soroban-env-host uses ark-ff version 0.4.2. This version mismatch could lead to compatibility issues. Consider using ark-ff version 0.4.2 to match the runtime dependency.
| ark-ff = { version = "0.5.0" } | |
| ark-ff = { version = "0.4.2" } |
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