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fix(evm-keeper): better utilize ERC20 metadata during FunToken creation #2074

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Unique-Divine
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@Unique-Divine Unique-Divine commented Oct 11, 2024

Purpose / Abstract

Summary by CodeRabbit

  • New Features

    • Enhanced ERC20 token metadata handling and FunToken creation.
    • Introduced a new method for converting ERC20 metadata to bank metadata.
  • Improvements

    • Updated changelog format for better organization and clarity.
    • Improved documentation for the ERC20Metadata struct.
  • Bug Fixes

    • Enhanced error handling and validation during FunToken creation.
  • Tests

    • Expanded test coverage for FunToken creation and bank metadata integration.

@Unique-Divine Unique-Divine requested a review from a team as a code owner October 11, 2024 22:00
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coderabbitai bot commented Oct 11, 2024

Walkthrough

The changes in this pull request primarily involve updates to the CHANGELOG.md for the Nibiru project, enhancing its structure and content. It introduces organized sections for various change types and adheres to Semantic Versioning. Additionally, modifications include updates to method signatures and the addition of new methods in the eth.evm.v1 module. Changes to the proto/buf.yaml file reflect a naming convention adjustment and formatting corrections. Enhancements in the funtoken_from_erc20.go and its corresponding test file improve metadata handling for ERC20 tokens and FunToken creation.

Changes

File Change Summary
CHANGELOG.md Updated format and content with structured sections for features, improvements, bug fixes, etc.
src/evm/keeper.go, src/evm/rpc.go, src/evm/query.go, src/evm/types.go Updated method signatures and added a new method in the eth.evm.v1 module.
proto/buf.yaml Changed name field to lowercase and corrected indentation in dependencies and lint sections.
x/evm/keeper/funtoken_from_erc20.go Enhanced ERC20 token metadata handling, added ToBankMetadata method, and improved documentation.
x/evm/keeper/funtoken_from_erc20_test.go Updated tests for FunToken creation to verify bank metadata and added new assertions.

Assessment against linked issues

Objective Addressed Explanation
Use ERC20 metadata to set the Name and display for a Bank Coin (#2073)

Possibly related PRs

Poem

In the land of code where rabbits play,
We hop and code both night and day.
Changelog bright, with sections so clear,
FunTokens now bring us great cheer!
With ERC20's name shining bright,
Our project grows, oh what a sight! 🐇✨


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codecov bot commented Oct 11, 2024

Codecov Report

Attention: Patch coverage is 87.50000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 65.06%. Comparing base (f450c79) to head (181a136).
Report is 1 commits behind head on main.

Files with missing lines Patch % Lines
x/evm/keeper/funtoken_from_erc20.go 87.50% 2 Missing and 2 partials ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #2074      +/-   ##
==========================================
+ Coverage   65.04%   65.06%   +0.01%     
==========================================
  Files         270      270              
  Lines       17050    17068      +18     
==========================================
+ Hits        11091    11105      +14     
- Misses       5021     5023       +2     
- Partials      938      940       +2     
Files with missing lines Coverage Δ
x/evm/keeper/funtoken_from_erc20.go 77.46% <87.50%> (+0.10%) ⬆️

@Unique-Divine Unique-Divine merged commit 62d4b1a into main Oct 11, 2024
17 checks passed
@Unique-Divine Unique-Divine deleted the 2073-evm-use-the-erc20-metadata-to-set-the-name-and-display-for-a-bank-coin branch October 11, 2024 22:13
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Actionable comments posted: 2

🧹 Outside diff range and nitpick comments (5)
CHANGELOG.md (5)

Line range hint 31-131: Overall, the Unreleased section is well-structured, but consider these improvements:

  1. The "State Machine Breaking" subsection is quite long and could benefit from further categorization or grouping of related changes.
  2. Some entries lack pull request numbers (e.g., line 61). Ensure all entries have associated PR numbers for traceability.
  3. Consider adding brief explanations for some of the more complex or impactful changes to help users understand their implications.

These changes would enhance the readability and usefulness of the changelog for users and developers.


Line range hint 133-170: The v1.0.0 section is informative, but could be enhanced:

  1. Consider adding a brief description of the significance of this release as the mainnet genesis version.
  2. The "State Machine Breaking" subsection contains only one item. It might be worth elaborating on why this change was necessary for the mainnet release.
  3. In the Features subsection, some entries lack detail. For example, the entry about the devgas module could benefit from a brief explanation of its purpose.

Adding these details would provide more context for users about the importance of this major release.


Line range hint 172-590: The changelog entries for versions v0.21.11 to v0.19.4 are informative, but could be more consistent:

  1. Some versions (e.g., v0.21.11) have very brief entries, while others (e.g., v0.19.4) are much more detailed. Consider standardizing the level of detail across all versions.
  2. For versions with minimal information (like v0.21.10), consider adding more context about the changes made.
  3. The "State Machine Breaking" sections in some versions (e.g., v0.19.4) are very long. Consider grouping related changes or providing summaries for easier digestion.
  4. Ensure all entries have associated PR numbers for consistency and traceability.

Improving consistency across these entries would make it easier for users to understand the evolution of the project across these versions.


Line range hint 592-1024: The changelog entries for versions v0.16.3 to v0.9.2 provide good historical context, but could be enhanced:

  1. Consider adding brief summaries at the start of each version's entry to highlight the most significant changes or the overall focus of that release.
  2. Some versions (e.g., v0.11.0) have very detailed entries, while others (e.g., v0.9.2) are more concise. Try to maintain a consistent level of detail across all versions.
  3. For breaking changes, especially in earlier versions, consider adding more context about why the change was necessary and its impact on users.
  4. Ensure all entries have associated PR numbers for consistency and to facilitate further investigation if needed.

Enhancing these earlier entries would provide valuable historical context for the project's development trajectory.


Line range hint 1-1024: The overall structure and formatting of the changelog is good, but consider these improvements:

  1. The header with guiding principles is valuable. Consider moving it to a separate CONTRIBUTING.md file to keep the changelog focused on actual changes.
  2. Ensure consistent formatting of version headers. Some use H2 (##) while others use H1 (#). Standardize this across all versions.
  3. Consider adding links to compare views between versions (e.g., Full Changelog) for each version entry.
  4. For the Unreleased section, consider adding a link to compare with the latest release.
  5. Ensure consistent use of bullet points or dashes for list items across all sections.

These changes would improve the overall readability and navigability of the changelog.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between f450c79 and 181a136.

📒 Files selected for processing (4)
  • CHANGELOG.md (1 hunks)
  • proto/buf.yaml (2 hunks)
  • x/evm/keeper/funtoken_from_erc20.go (4 hunks)
  • x/evm/keeper/funtoken_from_erc20_test.go (2 hunks)
🧰 Additional context used
🔇 Additional comments (10)
proto/buf.yaml (4)

Line range hint 4-8: LGTM. Improved formatting.

The indentation correction for the buf.build/cosmos/gogo-proto dependency improves readability and maintains consistent formatting.


26-26: LGTM. Added newline at EOF.

Adding a newline at the end of the file is a good practice. It improves compatibility with various text processing tools and version control systems.


Line range hint 1-26: Overall, the changes in this file look good.

The modifications to proto/buf.yaml improve the project's naming conventions, formatting, and file structure. These changes align well with the PR's objectives of enhancing the project's overall structure. The updated name in the Buf Schema Registry and the formatting improvements contribute to better maintainability and consistency across the project.


2-3: LGTM. Verify consistency across the project.

The update to the name field from buf.build/NibiruChain/nibiru to buf.build/nibiru-chain/nibiru reflects a shift to a lowercase naming convention, which is a good practice. This change aligns with modern naming conventions and improves consistency.

To ensure this change doesn't introduce any inconsistencies, please run the following script to check for any remaining references to the old name:

x/evm/keeper/funtoken_from_erc20_test.go (3)

10-10: LGTM: New import for bank package.

The addition of the bank package import is appropriate for the new assertions related to bank metadata. Using an alias enhances code readability.


105-120: Excellent addition of bank metadata assertions.

These new assertions effectively verify that the ERC20 metadata is correctly utilized when creating the corresponding bank denomination. This aligns perfectly with the PR objective of better utilizing ERC20 metadata during FunToken creation. The assertions cover all relevant aspects of the metadata, including:

  1. Description: Clearly formatted and informative.
  2. DenomUnits: Correctly includes both the bank denomination and the ERC20 symbol.
  3. Base, Display, Name, and Symbol: All derived from the ERC20 metadata.

This change significantly improves the test coverage and ensures that the FunToken creation process accurately reflects the original ERC20 token's properties.


Line range hint 1-288: Summary: Excellent implementation of ERC20 metadata utilization in FunToken creation.

The changes in this file successfully address the PR objectives by:

  1. Adding comprehensive assertions to verify the correct utilization of ERC20 metadata in creating bank denominations.
  2. Ensuring that the created FunToken accurately reflects the properties of the original ERC20 token.

These enhancements significantly improve the test coverage and align perfectly with the goal of better leveraging ERC20 metadata during the FunToken mapping creation process.

x/evm/keeper/funtoken_from_erc20.go (3)

117-117: Variable renaming enhances clarity

Renaming info to erc20Info improves readability by clearly indicating that the variable contains ERC20 metadata.


134-134: Improved modularity with ToBankMetadata method

Using erc20Info.ToBankMetadata(bankDenom, erc20) encapsulates the metadata conversion logic, enhancing code modularity and maintainability.


156-204: Well-structured ToBankMetadata method

The ToBankMetadata method effectively converts ERC20 metadata to bank.Metadata, handling cases where the name or symbol might be missing. This improves code reuse and readability.

// The [Wrapped Ether contract] is a good example for reference.
//
// ```solidity
// constract WETH9 {
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⚠️ Potential issue

Typo in Solidity keyword 'contract'

In the example code provided in the documentation, there is a typo in the keyword contract.

Apply this diff to fix the typo:

-//	constract WETH9 {
+//	contract WETH9 {
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
// constract WETH9 {
// contract WETH9 {

// ```solidity
// constract WETH9 {
// string public name = "Wrapped Ether";
// string public symbol = "WETH"
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⚠️ Potential issue

Missing semicolon in Solidity example

The line should end with a semicolon for correct Solidity syntax.

Apply this diff to fix the syntax:

-//	  string public symbol   = "WETH"
+//	  string public symbol   = "WETH";
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
// string public symbol = "WETH"
// string public symbol = "WETH";

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[evm] Use the ERC20 metadata to set the Name and display for a Bank Coin
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