refactor: modify V4Planner methods to return self for chaining

[shuhuiluo]

Updated methods in V4Planner to return &mut Self for improved method chaining. Adjusted related implementations and tests to ensure consistency and functionality with the new return values.

Summary by CodeRabbit

• New Features

  • Enhanced method chaining for the V4Planner struct, allowing for a more fluent interface.
  • Improved clarity in the add_trade method with the introduction of a new route variable.

• Bug Fixes

  • Maintained existing error handling and assertions in the add_trade method for slippage tolerance and trade validation.

[coderabbitai]

Walkthrough

The pull request modifies the V4Planner struct in src/utils/v4_planner.rs, introducing method chaining capabilities by updating method return types to &mut Self. The changes primarily affect add_action, add_trade, add_settle, and add_take methods, enhancing the planner's interface while maintaining existing error handling and functionality.

Changes

File	Changes
src/utils/v4_planner.rs	- Updated method signatures to return &mut Self - Modified add_trade to use route variable - Adjusted encoding logic in add_settle and add_take

Suggested Reviewers

• malik672

Possibly Related PRs

• feat: add V4 Planner #1: Initial introduction of V4Planner with original method definitions
• refactor: replace create_action with direct method calls on Actions #4: Previous modifications to add_action method
• test: add comprehensive tests for V4Planner #11: Comprehensive tests for add_trade, add_settle, and add_take methods

Poem

Behold, the planner's fluent grace,
Methods chained with Rust's embrace
&mut Self returns with glee
Efficiency, can't you see? 🧩
Coding magic, pure delight! 🚀

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📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: ASSERTIVE
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 95bb0a0 and 580453c.

📒 Files selected for processing (1)

• src/utils/v4_planner.rs (7 hunks)

🔇 Additional comments (4)

src/utils/v4_planner.rs (4)

112-115: Bazinga! Method chaining implementation looks good.

The modification to return &mut Self follows the builder pattern correctly, enabling fluent method chaining.

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123-123: Excellent refactoring to improve code clarity!

The introduction of the route variable and subsequent usage of path_input and path_output makes the code more maintainable and reduces repeated calls.

Also applies to: 144-147

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186-191: Method chaining implementation for add_settle is spot on!

The return type modification maintains consistency with the builder pattern.

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200-205: Method chaining implementation for add_take is theoretically sound!

The return type modification aligns perfectly with the builder pattern.

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