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Complete OSVM DeepLogic AI Analysis implementation with demo and testing
Co-authored-by: 0xrinegade <[email protected]>
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‎public/deeplogic_demo.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>OSVM DeepLogic Analysis Demo</title>
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<style>
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body {
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header">
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<h1>🧠 OSVM DeepLogic AI Analysis</h1>
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<p>Advanced Logical Vulnerability Detection with Code Remediation</p>
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</div>
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<div class="content">
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<div class="deeplogic-intro">
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<h3 style="margin-top: 0; color: white;">AI-Powered Logical Vulnerability Analysis</h3>
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<p>The following findings represent complex logical vulnerabilities detected through advanced AI analysis, including problematic code identification and suggested remediation.</p>
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</div>
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<div class="finding">
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<div class="finding-header">
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<h4>🧠 DeepLogic: Potential Unfair Reward Capture via Transactional Liquidity</h4>
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<div>
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<span class="badge">DeepLogic - Economic Exploit</span>
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<span class="badge severity-high">High</span>
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<span class="badge confidence-score">Confidence: 85%</span>
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</div>
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</div>
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<div style="margin: 15px 0;">
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<h5 class="section-title">🤖 AI-Powered Analysis:</h5>
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<p>The <code>claim_rewards</code> function calculates a user's reward share based on their instantaneous contribution to <code>pool_state.total_liquidity</code>. There appears to be no time-lock, vesting, or snapshot mechanism to ensure the liquidity was provided for a minimum duration. This makes the system vulnerable to flash-deposit/withdraw attacks within a single transaction, allowing an attacker to unfairly claim a large portion of accrued rewards.</p>
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</div>
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<div style="margin: 15px 0;">
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<h5 class="risk-title">⚠️ Risk Scenario:</h5>
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<p>An attacker with significant capital could execute an atomic transaction: 1) deposit massive liquidity, 2) call <code>claim_rewards</code>, 3) withdraw massive liquidity. This exploits the instantaneous calculation, draining rewards from genuine, long-term liquidity providers.</p>
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</div>
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<div style="margin: 15px 0;">
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<h5 class="risk-title">🔴 Problematic Code (src/lib.rs:150-153):</h5>
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<pre class="problematic-code"><code>// This calculation is based on current liquidity, vulnerable to flash-deposit attacks.
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let user_share = get_user_liquidity(user.key) / pool_state.total_liquidity;
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let rewards_to_claim = pool_state.accumulated_rewards * user_share;
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// ... further logic using rewards_to_claim ...</code></pre>
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</div>
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<div style="margin: 15px 0;">
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<h5 class="fix-title">🟢 Suggested Fix:</h5>
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<pre class="suggested-fix"><code>// Implement a time-weighted average or snapshot system for reward calculation.
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// This example uses a hypothetical get_time_weighted_user_liquidity function.
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// Requires additional state management (e.g., user_liquidity_snapshots, last_snapshot_time).
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// Add necessary imports if needed
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use solana_program::clock::Clock;
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use solana_program::sysvar::Sysvar;
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let clock = Clock::get()?;
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let current_timestamp = clock.unix_timestamp;
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// A more robust calculation considering time spent with liquidity
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let user_share = get_time_weighted_user_liquidity(user.key, &pool_state, current_timestamp)
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/ pool_state.total_time_weighted_liquidity; // Requires total_time_weighted_liquidity
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let rewards_to_claim = pool_state.accumulated_rewards * user_share;
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// ... further logic using rewards_to_claim ...</code></pre>
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</div>
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<div style="margin: 15px 0;">
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<h5 class="section-title">💡 Explanation of Fix:</h5>
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<p>The proposed fix introduces the concept of time-weighted liquidity. Instead of using the current liquidity amount, the system would track how much liquidity a user has provided over time. This requires modifying <code>get_user_liquidity</code> and potentially adding new state fields to the <code>Pool</code> and <code>User</code> structs (e.g., <code>last_deposit_time</code>, <code>cumulative_liquidity_seconds</code>). A simplified <code>get_time_weighted_user_liquidity</code> and <code>total_time_weighted_liquidity</code> are placeholder for the necessary new logic.</p>
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</div>
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<div style="margin: 15px 0;">
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<h5 class="warning-title">🔧 Additional Considerations:</h5>
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<ul>
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<li>This fix is conceptual and requires careful implementation of state tracking for time-weighted liquidity</li>
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<li>Consider the gas costs and complexity of maintaining such state</li>
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<li>A simpler alternative might be a lock-up period for rewards</li>
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<li>Implement comprehensive unit tests for the new logic</li>
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<li>Consider edge cases like partial withdrawals and multiple deposits</li>
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</ul>
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</div>
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</div>
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<div style="background: #f8f9fa; padding: 20px; border-radius: 8px; margin-top: 30px; text-align: center;">
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<h4 style="color: #667eea; margin-top: 0;">✨ DeepLogic AI Analysis Complete</h4>
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<p>This analysis was generated using advanced AI techniques to identify logical vulnerabilities and provide actionable remediation strategies.</p>
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</div>
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</div>
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</div>
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</body>
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</html>

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