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What is hevm?

The hevm project is a specialized version of the Ethereum Virtual Machine (EVM) that focuses on symbolic execution, unit testing, and the debugging of smart contracts. Developed by DappHub, it works flawlessly with the tools provided by the same creators. The hevm command line interface allows users to execute smart contracts symbolically, perform unit tests, and interactively debug contracts while showing the corresponding Solidity source code, as well as execute any arbitrary EVM code. It enables calculations to be performed either using a local state set up within a testing framework or by accessing live networks through RPC calls. Users can start symbolic execution with defined parameters to find assertion violations and have the flexibility to customize certain function signature arguments while leaving others as abstract. Importantly, hevm employs an eager approach to symbolic execution, aiming to investigate all branches of the program right from the outset. This thorough methodology significantly improves the reliability and robustness of the processes involved in smart contract development and testing. Moreover, the integration of hevm with other DappHub tools enhances the overall development experience for blockchain developers.

What is FuzzDB?

FuzzDB was created to improve the likelihood of discovering security vulnerabilities in applications by utilizing dynamic testing techniques. Recognized as the first and largest open repository for fault injection patterns, along with reliable resource locations and regex for matching server responses, it is an essential tool in the field. This extensive database contains comprehensive lists of attack payload primitives specifically designed for fault injection testing. The patterns are categorized by the type of attack and, when applicable, by the specific platform, often revealing vulnerabilities such as OS command injection, directory traversals, source code exposure, file upload bypass, cross-site scripting (XSS), and SQL injections, among others. Notably, FuzzDB highlights 56 patterns that could be interpreted as a null byte and also provides extensive lists of commonly used methods and name-value pairs that may trigger debugging modes. In addition, FuzzDB is continually updated as it integrates new discoveries and contributions from the community to effectively address emerging security threats. This ongoing evolution ensures that users benefit from the latest advancements in vulnerability detection and testing methodologies.

Media

Media

Integrations Supported

BlackArch Linux
Ethereum
NoSQL
OWASP ZAP
Solidity

Integrations Supported

BlackArch Linux
Ethereum
NoSQL
OWASP ZAP
Solidity

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

Free
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

DappHub

Company Website

github.com/dapphub/dapptools/blob/master/src/hevm/README.md

Company Facts

Organization Name

FuzzDB

Company Website

github.com/fuzzdb-project/fuzzdb

Categories and Features

Categories and Features

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