Can this skill help optimize Ethereum gas fees?

Yes, it includes patterns for gas-efficient storage packing, utilizing calldata for function arguments, and selecting optimal variable types to reduce execution costs.

Does it support older versions of Solidity?

The skill covers both modern Solidity (0.8+) with built-in overflow checks and older versions using the SafeMath library pattern.

Is this a replacement for a professional smart contract audit?

No, this skill is a development tool designed to help you implement best practices and identify common issues early, but critical production code should always undergo a professional manual audit.

How does this skill help prevent reentrancy attacks?

It provides implementation guides for the Checks-Effects-Interactions pattern and demonstrates how to correctly use OpenZeppelin's ReentrancyGuard to prevent malicious recursive calls.

Solidity Security Best Practices

Name: Solidity Security Best Practices
Author: HermeticOrmus

byHermeticOrmus

0•

Security & Testing

Master smart contract security patterns to prevent vulnerabilities like reentrancy, integer overflows, and unauthorized access in Solidity.

This skill empowers developers to build robust and secure blockchain applications by providing expert guidance on Solidity security patterns and vulnerability prevention. It helps users implement the Checks-Effects-Interactions pattern, deploy ReentrancyGuards, manage access controls, and mitigate front-running risks. Beyond security, it offers advanced gas optimization strategies and comprehensive testing templates for Hardhat, ensuring that smart contracts are not only safe but also efficient and ready for professional audits.

Key Features

01Standardized security checklists for comprehensive code auditing

02Hardhat and ethers.js testing templates for security verification

03Implementation of secure patterns like Checks-Effects-Interactions and Pull-over-Push

04Gas optimization techniques including storage packing and calldata usage

05Vulnerability prevention for reentrancy, overflows, and front-running

060 GitHub stars

Use Cases

01Developing secure DeFi protocols with robust role-based access controls

02Auditing existing smart contracts for logic flaws and security vulnerabilities

03Preparing smart contract codebases for professional third-party audits

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add hermeticormus/alqvimia-contador solidity-security

For use in Claude.ai and ChatGPT

Download Skill