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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 TimeMachine?

The TimeMachine debugging suite significantly boosts the functionality of Green Hills Software’s renowned MULTI integrated development environment (IDE) by providing valuable insights into the complex interactions within software that may result in bugs, performance setbacks, and difficult testing situations. By presenting this data in user-friendly formats, TimeMachine empowers developers to quickly navigate through trace data, which aids them in crafting better code in a shorter time frame. Its unique capability to debug both forwards and backwards in time greatly facilitates the detection of even the most elusive errors. You can enhance your software’s performance by analyzing execution histories to identify hidden bottlenecks that might be hindering its efficiency. Moreover, accelerate your debugging efforts by revisiting functions you might have previously missed, allowing you to step back through your code with ease. Additionally, the extensive execution history feature ensures your program undergoes comprehensive testing, thereby meeting high-quality standards. Ultimately, TimeMachine serves as a transformative tool that revolutionizes the debugging experience for developers, making it not just more efficient, but also significantly more effective in delivering reliable software solutions. With its innovative approach, TimeMachine is poised to become an essential asset for developers aiming to enhance their coding practices.

Media

Media

Integrations Supported

Ethereum
INTEGRITY RTOS
MULTI IDE
RTX
Solidity
µ-velOSity RTOS

Integrations Supported

Ethereum
INTEGRITY RTOS
MULTI IDE
RTX
Solidity
µ-velOSity RTOS

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
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

Green Hills Software

Date Founded

1982

Company Location

United States

Company Website

www.ghs.com/products/timemachine.html

Categories and Features

Categories and Features

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