Can this skill help reduce Ethereum gas fees?

Yes, it includes specific patterns for storage packing (aligning variables in 256-bit slots), using calldata for read-only arguments, and optimizing data types to minimize EVM execution costs.

Does it support older versions of Solidity?

The skill provides guidance for both modern Solidity (0.8.0 and above, which has built-in overflow protection) and legacy versions that require SafeMath libraries.

How does this skill help prevent reentrancy attacks?

The skill provides code patterns for the Checks-Effects-Interactions (CEI) method and demonstrates how to integrate OpenZeppelin's ReentrancyGuard to block recursive calls.

Is this suitable for preparing for a professional audit?

Absolutely. It includes a comprehensive security checklist and automated testing examples that mirror the criteria used by professional blockchain auditing firms.

Solidity Security Patterns

Name: Solidity Security Patterns
Author: as4584

byas4584

Security & Testing

Implements secure smart contract development patterns and audits Solidity code for common blockchain vulnerabilities.

About

This skill empowers developers to build robust Ethereum smart contracts by providing standardized implementation patterns for critical security measures. It covers the prevention of common attack vectors like reentrancy, integer overflows, and unauthorized access, while simultaneously offering guidance on EVM gas optimization. Whether you are architecting a new DeFi protocol or auditing an existing codebase, this skill ensures your Solidity development aligns with industry best practices and audit-ready standards.

Key Features

0 GitHub stars
Reentrancy protection using Checks-Effects-Interactions and ReentrancyGuard patterns
Gas optimization techniques including storage packing, calldata usage, and event-based storage
Comprehensive access control implementations including Ownable and Role-Based Access Control (RBAC)
Security-focused testing templates and checklists for Hardhat and Foundry environments
Integer safety patterns for both modern Solidity (0.8+) and legacy versions using SafeMath

Use Cases

Performing internal security audits and vulnerability assessments on smart contracts
Refactoring existing blockchain code to reduce gas consumption while maintaining security
Developing and securing high-stakes DeFi protocols and ERC-20/ERC-721 tokens

About

Key Features

0 GitHub stars
Reentrancy protection using Checks-Effects-Interactions and ReentrancyGuard patterns
Gas optimization techniques including storage packing, calldata usage, and event-based storage
Comprehensive access control implementations including Ownable and Role-Based Access Control (RBAC)
Security-focused testing templates and checklists for Hardhat and Foundry environments
Integer safety patterns for both modern Solidity (0.8+) and legacy versions using SafeMath

Use Cases

Performing internal security audits and vulnerability assessments on smart contracts
Refactoring existing blockchain code to reduce gas consumption while maintaining security
Developing and securing high-stakes DeFi protocols and ERC-20/ERC-721 tokens