P3 Verification: Build Compatibility Matrix

Status: COMPLETED

Overview

P3 involved building a comprehensive compatibility matrix with evidence from probe results and detailed implementation guidance.

Verification Criteria

  • Markdown compatibility matrix created
  • CSV compatibility matrix created
  • Evidence from probe results included
  • Implementation guidance provided
  • Priority-based feature categorization

Implementation Status

Compatibility Matrix Structure

File: docs/compatibility-matrix.md

  • Feature Categories: ArbSys, ArbGasInfo, Deposit_Transaction
  • Support Levels: Not Supported, Partial, Supported
  • Evidence: Specific probe results and error messages
  • Proposed Fixes: Implementation strategies for each feature
  • Priority Levels: P0, P1, P2 categorization

CSV Format Matrix

File: docs/compatibility-matrix.csv

  • Machine-readable format for analysis
  • Detailed method-by-method compatibility status
  • Implementation notes and complexity assessments
  • Priority assignments for development planning

Evidence Integration

  • Hardhat Probe Results: CALL_EXCEPTION errors with empty data
  • Foundry Probe Results: Expected failures logged properly
  • 0x7e Transaction Results: Unexpected success in Hardhat (partial support)
  • Error Details: Specific error messages and failure modes

Implementation Guidance

  • Proposed Fixes: Emulate, decode, config strategies
  • Priority Matrix: P0 (Critical), P1 (Important), P2 (Optional)
  • Technical Approach: Hardhat plugin vs Foundry extension
  • Configuration: Chain ID, fee models, feature flags

Evidence Files

  • docs/compatibility-matrix.md - Lines 1-156: Comprehensive analysis
  • docs/compatibility-matrix.csv - Lines 1-27: Machine-readable format
  • Probe results integrated with matrix findings

Test Results

Status: COMPLETED

  • Matrix covers all target Arbitrum features
  • Evidence properly documented from probe testing
  • Implementation guidance clear and actionable

Issues Found

None - P3 implementation is comprehensive and evidence-based

Verification Result

P3: COMPLETED - Complete compatibility matrix with evidence and implementation guidance

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