rollkit / go-da

Generic Data Availability Interface for Modular Blockchains
Apache License 2.0
43 stars 21 forks source link

fix: Return an err `no blob at a given height` in case there is no blob #88

Closed yarikbratashchuk closed 2 months ago

yarikbratashchuk commented 3 months ago

Summary by CodeRabbit

coderabbitai[bot] commented 3 months ago

Walkthrough

The recent updates improve error handling in the GetIDs method of the DummyDA struct, ensuring safer data access by returning an error when requested data is not found. The test suite also received enhancements, including a new test case to validate this functionality and modifications to existing tests for better error detection in concurrent operations. Together, these changes strengthen the reliability and robustness of the codebase.

Changes

Files Change Summary
test/dummy.go Improved error handling in GetIDs method to return an error if no blobs exist for the given height; introduced ErrNoBlobAtHeight.
test/test_suite.go Added NoBlobsAtHeightTest to verify the new error handling; adjusted error checking in ConcurrentReadWriteTest to better handle errors.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant DummyDA
    participant DataStore

    Client->>DummyDA: GetIDs(height)
    DummyDA->>DataStore: Check if height exists
    alt Height exists
        DataStore-->>DummyDA: Return IDs
        DummyDA-->>Client: Return IDs
    else Height does not exist
        DummyDA-->>Client: Return error ("no blob at given height")
    end

Poem

🐇 In a world of data, oh so bright,
I found a way to check what's right.
With graceful errors, I hop with glee,
No more panics—just you and me!
A test to ensure we’re on the way,
To robust code, hip-hip-hooray! 🎉


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yarikbratashchuk commented 3 months ago

@tzdybal as these same fixtures used for proxy test and for direct test, i found that the easiest is to work with strings to identify specific error