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solidityguard-openenv / data /samples /task2 /poor_packing.sol

Arshit-Verma

feat: Complete SolidityGuard v2.0 with exploit proofs, auto-fix suggestions, multi-agent verification, and advanced reporting

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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

contract PackingIssues {
    // Poor struct packing - wastes storage slots
    struct User {
        bool isActive;      // 1 byte
        uint256 balance;    // 32 bytes  
        bool isVerified;    // 1 byte
        uint256 timestamp;  // 32 bytes
        uint8 level;        // 1 byte
    }
    
    User[] public users;
    
    function addUser(uint256 balance, uint8 level) external {
        users.push(User({
            isActive: true,
            balance: balance,
            isVerified: false, 
            timestamp: block.timestamp,
            level: level
        }));
    }
}

	// SPDX-License-Identifier: MIT
	pragma solidity ^0.8.19;

	contract PackingIssues {
	// Poor struct packing - wastes storage slots
	struct User {
	bool isActive; // 1 byte
	uint256 balance; // 32 bytes
	bool isVerified; // 1 byte
	uint256 timestamp; // 32 bytes
	uint8 level; // 1 byte
	}

	User[] public users;

	function addUser(uint256 balance, uint8 level) external {
	users.push(User({
	isActive: true,
	balance: balance,
	isVerified: false,
	timestamp: block.timestamp,
	level: level
	}));
	}
	}