Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

refactor: expose pure functions in DAVerifier #286

Merged
merged 1 commit into from
Feb 23, 2024

Conversation

rach-id
Copy link
Member

@rach-id rach-id commented Jan 29, 2024

Overview

Closes #285

Checklist

  • New and updated code has appropriate documentation
  • New and updated code has new and/or updated testing
  • Required CI checks are passing
  • Visual proof for any user facing features like CLI or documentation updates
  • Linked issues closed with keywords

Summary by CodeRabbit

  • Refactor
    • Improved the internal verification process for data proofs, enhancing the consistency and reliability of data verification.

Copy link

coderabbitai bot commented Jan 29, 2024

Walkthrough

The update to DAVerifier.sol introduces enhancements to proof verification by adding new internal functions for more granular and efficient proof validations. These changes aim to segregate proof verification from contract verification, aligning with the objective to streamline and improve the authentication process of proofs within the contract. The modifications include the addition of functions for verifying proofs related to data root tuples and the renaming of parameters for consistency and clarity.

Changes

File Summary of Changes
.../verifier/DAVerifier.sol Added verifySharesToDataRootTupleRootProof and verifyRowRootToDataRootTupleRootProof; Renamed parameters in verifySharesToDataRootTupleRootProof for consistency; Added verifyMultiRowRootsToDataRootTupleRootProof for verifying sets of rows/columns.

Assessment against linked issues

Objective Addressed Explanation
Separate proof verification from contract verification (#285)

Poem

In the land of code and lore,
A rabbit hopped, making more.
Through the verifier's gate, it leaped,
Ensuring the contract's secrets, well-kept. 🐇✨

Thank you for using CodeRabbit. We offer it for free to the OSS community and would appreciate your support in helping us grow. If you find it useful, would you consider giving us a shout-out on your favorite social media?

Share

Tips

Chat

There are 3 ways to chat with CodeRabbit:

  • Review comments: Directly reply to a review comment made by CodeRabbit. Example:
    • I pushed a fix in commit <commit_id>.
    • Generate unit-tests for this file.
  • Files and specific lines of code (under the "Files changed" tab): Tag @coderabbitai in a new review comment at the desired location with your query. Examples:
    • @coderabbitai generate unit tests for this file.
    • @coderabbitai modularize this function.
  • PR comments: Tag @coderabbitai in a new PR comment to ask questions about the PR branch. For the best results, please provide a very specific query, as very limited context is provided in this mode. Examples:
    • @coderabbitai generate interesting stats about this repository from git and render them as a table.
    • @coderabbitai show all the console.log statements in this repository.
    • @coderabbitai read src/utils.ts and generate unit tests.
    • @coderabbitai read the files in the src/scheduler package and generate a class diagram using mermaid and a README in the markdown format.

Note: Be mindful of the bot's finite context window. It's strongly recommended to break down tasks such as reading entire modules into smaller chunks. For a focused discussion, use review comments to chat about specific files and their changes, instead of using the PR comments.

CodeRabbit Commands (invoked as PR comments)

  • @coderabbitai pause to pause the reviews on a PR.
  • @coderabbitai resume to resume the paused reviews.
  • @coderabbitai review to trigger a review. This is useful when automatic reviews are disabled for the repository.
  • @coderabbitai resolve resolve all the CodeRabbit review comments.
  • @coderabbitai help to get help.

Additionally, you can add @coderabbitai ignore anywhere in the PR description to prevent this PR from being reviewed.

CodeRabbit Configration File (.coderabbit.yaml)

  • You can programmatically configure CodeRabbit by adding a .coderabbit.yaml file to the root of your repository.
  • The JSON schema for the configuration file is available here.
  • If your editor has YAML language server enabled, you can add the path at the top of this file to enable auto-completion and validation: # yaml-language-server: $schema=https://coderabbit.ai/integrations/coderabbit-overrides.v2.json

CodeRabbit Discord Community

Join our Discord Community to get help, request features, and share feedback.

Copy link

@coderabbitai coderabbitai bot left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Review Status

Actionable comments generated: 2

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between ddd2b50 and f473ae4.
Files selected for processing (1)
  • src/lib/verifier/DAVerifier.sol (3 hunks)
Additional comments: 3
src/lib/verifier/DAVerifier.sol (3)
  • 97-106: The function verifySharesToDataRootTupleRoot correctly separates the verification of multi-row roots to data root tuple root from the verification of shares to data root tuple root proof. This separation aligns with the PR's objective. However, ensure that the separation does not introduce any redundancy or inefficiency in calling these verification functions.
  • 185-187: The function verifyRowRootToDataRootTupleRoot correctly implements the verification of a row/column root to the data root tuple root, leveraging the verifyRowRootToDataRootTupleRootProof function for the actual proof verification. This modular approach is commendable for separating concerns and enhancing code readability.
  • 190-200: The function verifyRowRootToDataRootTupleRootProof is a pure function that verifies a row/column root proof to the data root tuple root. The implementation is straightforward and aligns with the PR's objective of separating proof verification from contract verification. Ensure that the encoding of the row root (abi.encodePacked) is consistent with how row roots are represented elsewhere in the system.
Verification successful

The initial script aimed to verify the consistency of row root representation by searching for abi.encodePacked usage with rowRoot across Solidity files. However, the script failed due to an unrecognized file type error for Solidity, indicating a potential issue with the rg command's file type recognition.

To address this and ensure a thorough verification, we'll adjust the approach by removing the file type specification, allowing rg to search all files. This should bypass the file type recognition issue and enable us to properly search for instances of abi.encodePacked used with rowRoot.


The verification process has confirmed that abi.encodePacked is consistently used in conjunction with rowRoot across various files in the codebase, including both the DAVerifier.sol and test files such as RollupInclusionProofs.t.sol and DAVerifier.t.sol. This consistency in encoding the row root supports the initial review comment's emphasis on ensuring that the encoding of the row root (abi.encodePacked) aligns with how row roots are represented elsewhere in the system.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Verify consistency of row root representation
rg --type solidity "abi.encodePacked" | grep -i "rowRoot"

Length of output: 88



Script:

#!/bin/bash
# Adjusted verification for consistency of row root representation
rg "abi.encodePacked" | grep -i "rowRoot"

Length of output: 909

src/lib/verifier/DAVerifier.sol Show resolved Hide resolved
src/lib/verifier/DAVerifier.sol Show resolved Hide resolved
@rach-id rach-id merged commit 4f27c20 into celestiaorg:master Feb 23, 2024
11 checks passed
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Projects
None yet
Development

Successfully merging this pull request may close these issues.

Separate proof verification from contract verification
3 participants