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Merged
merged 1 commit into from
Jan 21, 2025

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ccamel
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@ccamel ccamel commented Jan 21, 2025

Make account traversal safer by eliminating interface unmarshalling, which could fail if no concrete type is registered for types.AccountI (e.g., /ethermint.types.v1.EthAccount from Orai blockchain).

@ccamel ccamel self-assigned this Jan 21, 2025
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coderabbitai bot commented Jan 21, 2025

Walkthrough

The pull request introduces a new WalkAccounts function in the pkg/delegators/reader.go file, which provides a more structured and reusable approach to iterating over accounts. The function encapsulates the account iteration logic, taking a context, account keeper, and a walk function as parameters. It simplifies the account walking process by managing the iterator's lifecycle and providing a clean mechanism for traversing account addresses with the ability to stop iteration early if needed.

Changes

File Change Summary
pkg/delegators/reader.go - Added new WalkAccounts function for account iteration
- Updated ProcessData method to use WalkAccounts
- Added authkeeper import

Sequence Diagram

sequenceDiagram
    participant Caller
    participant WalkAccounts
    participant AccountKeeper
    participant WalkFunc

    Caller->>WalkAccounts: Call with context, keeper, walkFunc
    WalkAccounts->>AccountKeeper: Get account iterator
    loop For each account
        WalkAccounts->>WalkFunc: Invoke with account address
        WalkFunc-->>WalkAccounts: Return stop/continue and potential error
        alt Stop condition met
            WalkAccounts-->>Caller: Return
        end
    end
    WalkAccounts-->>Caller: Return final error
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Actionable comments posted: 0

🧹 Nitpick comments (2)
pkg/delegators/reader.go (2)

131-134: Add function documentation.

Consider adding a doc comment explaining:

  • The purpose of the function
  • Parameters description
  • Return value description
  • Example usage
+// WalkAccounts iterates over all accounts in the store and calls walkFunc for each account address.
+// The iteration stops if walkFunc returns stop=true or if an error occurs.
+// Parameters:
+//   - ctx: The SDK context
+//   - accountKeeper: The account keeper instance
+//   - walkFunc: Callback function that processes each account address
+// Returns an error if iteration fails or if walkFunc returns an error.
 func WalkAccounts(

135-156: Improve error context in error handling.

The current error handling could be more descriptive about what operation failed. Consider wrapping errors with additional context.

 	iter, err := accountKeeper.Accounts.Iterate(ctx, nil)
 	if err != nil {
-		return err
+		return fmt.Errorf("failed to create account iterator: %w", err)
 	}
 	defer func() { _ = iter.Close() }()
 
 	for ; iter.Valid(); iter.Next() {
 		addr, err := iter.Key()
 		if err != nil {
-			return err
+			return fmt.Errorf("failed to get account address from iterator: %w", err)
 		}
 
 		stop, err := walkFunc(addr)
 		if err != nil {
-			return err
+			return fmt.Errorf("walk function failed for address %s: %w", addr, err)
 		}
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📥 Commits

Reviewing files that changed from the base of the PR and between 5148a70 and 5ff8edd.

⛔ Files ignored due to path filters (2)
  • go.mod is excluded by !**/*.mod
  • go.sum is excluded by !**/*.sum, !**/*.sum
📒 Files selected for processing (1)
  • pkg/delegators/reader.go (3 hunks)
🔇 Additional comments (2)
pkg/delegators/reader.go (2)

17-17: LGTM!

The addition of the authkeeper import is appropriate for the new account traversal functionality.


89-89: LGTM! Good refactoring.

The change successfully removes interface unmarshalling while maintaining the existing functionality. This improves safety by avoiding potential failures with unregistered concrete types.

@ccamel ccamel merged commit b15ef44 into main Jan 21, 2025
12 checks passed
@ccamel ccamel deleted the refactor/improve-accounts-walk branch January 21, 2025 10:58
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🎉 This PR is included in version 1.0.0 🎉

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