Fuzzoor

A Visual Studio Code extension that helps you to build and run fuzzing test suites for Solidity smart contracts.

Features

• Build fuzzing test suite automatically.
• Run Echidna and Medusa campaigns.
• View coverage reports.

Requirements

• Echidna
• Medusa
• Foundry

Extension Settings

Setting	Description	Default
fuzzoor.projectFolder	Relative path from workspace to folder of the project.
fuzzoor.contractsFolder	Relative path from project folder to folder of the contracts.	src
fuzzoor.excludedFolders	Folders to exclude in the contracts folder.	["test", "tests", "mock", "mocks"]
fuzzoor.outputFolder	Relative path from project folder to folder of the compilation output.	out
fuzzoor.forceSendETH	Include handler function to force send ether to the target contract.	true
fuzzoor.echidnaPath	Path to folder containing the Echidna executable binary.
fuzzoor.medusaPath	Path to folder containing the Medusa executable binary.

ℹ️ If Echidna and Medusa are added to the PATH in the system, the fuzzoor.echidnaPath and fuzzoor.medusaPath settings can be left empty.

Video demo

Demo codebase

Acknowledgements

This extension builds on top of Echidna and Medusa, created by Trail of Bits.

The structure of the test suite has been inspired by the work of different projects and individuals, including:

• Rappie
• Víctor Nicolás Martínez Carralero
• Antonio Viggiano
• Alex The Entreprenerd
• Recon