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@hs2973 hs2973 commented Jul 12, 2025

Summary by CodeRabbit

  • New Features

    • Introduced concurrency controls for managing simultaneous trades and position monitoring.
    • Added graceful shutdown support, allowing the system to handle interruptions and terminate safely.
    • Implemented emergency shutdown procedures to attempt selling all active positions, with failed attempts logged and retried on next startup.
  • Enhancements

    • Improved logging for lifecycle events and errors, especially during shutdown and emergency recovery.
    • Added a new exit reason: "Emergency Stop" for positions.

cursoragent and others added 2 commits July 12, 2025 15:10
…ement

Co-authored-by: himal.shrestha <himal.shrestha@nyu.edu>
Co-authored-by: himal.shrestha <himal.shrestha@nyu.edu>
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coderabbitai bot commented Jul 12, 2025

Caution

Review failed

The pull request is closed.

Walkthrough

The changes extend the ExitReason enum with a new emergency stop reason and significantly refactor the PumpTrader class. Concurrency controls, graceful shutdown, emergency sell procedures, and robust task lifecycle management are introduced. The trader now supports emergency recovery, improved logging, and retry mechanisms for failed emergency sells.

Changes

File(s) Change Summary
src/trading/position.py Added EMERGENCY_STOP to ExitReason enum.
src/trading/trader.py Refactored PumpTrader for concurrency, graceful shutdown, emergency sell/recovery, task tracking, and enhanced logging. Added/modified multiple methods for these features.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant PumpTrader
    participant PositionManager
    participant Disk

    User->>PumpTrader: start()
    PumpTrader->>PumpTrader: _setup_signal_handlers()
    alt Single-token mode
        PumpTrader->>PumpTrader: _run_single_token_mode()
    else Continuous mode
        PumpTrader->>PumpTrader: _run_continuous_mode()
    end
    PumpTrader->>PumpTrader: _process_token_queue()
    loop For each token
        PumpTrader->>PumpTrader: _handle_token()
        PumpTrader->>PositionManager: Open position
        PumpTrader->>PumpTrader: _monitor_position_until_exit()
    end
    alt Shutdown signal received
        PumpTrader->>PumpTrader: _emergency_shutdown()
        PumpTrader->>PositionManager: Sell all active positions
        alt Sell fails
            PumpTrader->>Disk: _save_failed_sells()
        end
    end
    PumpTrader->>PumpTrader: _cleanup_resources()
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Suggested labels

enhancement

Suggested reviewers

  • akegaviar

Poem

In the warren of code where the traders hop,
Concurrency blooms and old races stop.
With semaphores guarding and signals in play,
Emergency exits now light up the way.
If shutdowns surprise us, no need for dismay—
The rabbit will save trades for another day! 🐇


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Review profile: CHILL
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📥 Commits

Reviewing files that changed from the base of the PR and between b10643a and ab78be0.

📒 Files selected for processing (2)
  • src/trading/position.py (1 hunks)
  • src/trading/trader.py (17 hunks)
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@hs2973 hs2973 closed this Jul 12, 2025
@hs2973 hs2973 deleted the cursor/optimize-trader-script-for-concurrency-and-error-handling-1e46 branch July 12, 2025 16:31
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2 participants