feat: initial implementation #23
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WalkthroughThe repository has been updated to reflect a new module name and dependency structure. The Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant Adapter
participant ABCI_App
participant Store
Client->>Adapter: InitChain(genesisTime, initialHeight, chainID)
Adapter->>Adapter: Validate genesis parameters
Adapter->>ABCI_App: InitChain(validated genesis)
ABCI_App-->>Adapter: Return consensus params & validators
Adapter->>Store: Update state (consensus, validators)
Adapter-->>Client: Return stateRoot, maxBytes
sequenceDiagram
participant Client
participant Adapter
participant ABCI_App
participant Store
Client->>Adapter: ExecuteTxs(txs, blockHeight, timestamp, prevStateRoot)
Adapter->>ABCI_App: ProcessProposal(txs)
ABCI_App-->>Adapter: Proposal result
alt Proposal accepted
Adapter->>ABCI_App: FinalizeBlock(txs)
ABCI_App-->>Adapter: Updated state root
else Proposal rejected
Adapter-->>Client: Error response
end
Adapter->>Store: Update blockchain state
Adapter-->>Client: Return updated state root, maxBytes
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Actionable comments posted: 2
🧹 Nitpick comments (7)
store.go (2)
1-1: Consider extracting this struct into a dedicated package
DefiningStatein themainpackage can limit its reusability and clarity, especially if you plan on importing it from other packages. A dedicated package (e.g.,store,core, orstate) can make this component more modular.
8-20: Enhance doc comments for clarity
The doc comment mentions that some fields will be stored by Rollkit, but does not elaborate on how or when this takes place. Documenting the storage mechanism and intended usage can help other contributors understand how this struct integrates with Rollkit.main.go (5)
1-2: Consider a non-main package
Placing the ABCI adapter in a dedicated package (instead ofpackage main) can improve modularity and testability if you plan to import this functionality elsewhere.
20-21: Avoid global genesis references
Relying on a globalvar genesis *cmtypes.GenesisDoccan create hidden dependencies. Consider injecting the genesis doc into theAdapteror passing it through method parameters for clearer lifecycle control.
86-89: Restrictive single-validator assumption
You currently fail if there are multiple validators. If multi-validator support is required, consider removing or adjusting this check to allow for a larger validator set.
152-152: Use a deterministic block timestamp source
Invokingtime.Now()when preparing proposals may cause nondeterministic behavior if system clocks differ. In distributed systems, consider using the block time conveyed by the consensus layer or a validated timestamp in the request.
170-175: Capture commit metadata
SetFinaldiscards the commit response. Logging or storing response details likeDataorRetainHeightcan provide useful debugging and auditing information._, err := a.app.Commit() +// Potentially log or store commit response data return err
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⛔ Files ignored due to path filters (1)
go.sumis excluded by!**/*.sum
📒 Files selected for processing (3)
go.mod(1 hunks)main.go(1 hunks)store.go(1 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (2)
- GitHub Check: lint / golangci-lint
- GitHub Check: test / Run Unit Tests
🔇 Additional comments (6)
go.mod (4)
1-1: Module rename aligns well with repository structure
Renaming the module togithub.com/rollkit/go-execution-abciclearly conveys its purpose and origin.
3-5: Confirm Go version upgrade
Upgrading to Go 1.24 requires ensuring that all developers and CI environments support Go 1.24 to prevent build issues. Verify your pipelines and local setups accordingly.
187-187: Reassess the replace directive
The replace directive forgithub.com/rollkit/rollkitpins it to a specific version. Validate that this version is suitable for production. Removing or updating the replace directive may be beneficial once you have a stable release target.
7-185:✅ Verification successful
Validate newly introduced dependencies
A large number of dependencies have been added. Confirm they are pinned to secure, stable releases, and check for any licensing or vulnerability concerns.You can do a quick validation step via:
🏁 Script executed:
#!/bin/bash go mod verify go list -m all | grep rollkit go list -m all | grep cosmos-sdk # Include any other checks or scripts as neededLength of output: 461
Dependencies Verified and Secure
The dependency verification scripts ran successfully, and the outputs confirm that:
go mod verifyreports "all modules verified".- Critical dependencies such as
github.com/cosmos/cosmos-sdk(v0.50.12) and the variousgithub.com/rollkit/*packages (e.g.,github.com/rollkit/rollkitat v0.14.2-0.20250227140419-1ab5efb98687) are pinned to specific, stable versions.No issues regarding version pinning, licensing, or vulnerabilities were detected during this quick validation. Please continue to use additional security or license scanning tools as part of your overall dependency management strategy if needed.
main.go (2)
71-96: Clarify concurrency expectations for state updates
Lines 71+ modify fields inswithout any explicit lock. If multiple goroutines callInitChainor other methods concurrently, a data race could occur. Document whether this code is single-threaded or implement locking if concurrency is expected.
177-183: Helper function looks good
byteTxsneatly converts typed transactions into byte slices for ABCI processing.
| if err != nil { | ||
| return nil, 0, err | ||
| } | ||
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🛠️ Refactor suggestion
Return an empty hash instead of nil
When an error occurs, returning nil for a header.Hash-typed value can be confusing. Prefer returning header.Hash{} (an empty slice) to maintain a consistent type contract.
- return nil, 0, err
+ return header.Hash{}, 0, err📝 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.
| if err != nil { | |
| return nil, 0, err | |
| } | |
| if err != nil { | |
| - return nil, 0, err | |
| + return header.Hash{}, 0, err | |
| } |
main.go
Outdated
| // Adapter is a struct that will contain an ABCI Application, and will implement the go-execution interface | ||
| type Adapter struct { | ||
| app servertypes.ABCI | ||
| store store.Store | ||
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| state atomic.Pointer[State] | ||
| } | ||
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Potential data race when modifying loaded state
Using atomic.Pointer[State] and then mutating the pointed struct fields directly can lead to data races under concurrent usage. A safer approach is “copy on write,” storing an entirely new State instance after modifications.
s := a.state.Load()
+newS := *s // copy
/*
make modifications to newS
*/
a.state.Store(&newS)Committable suggestion skipped: line range outside the PR's diff.
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