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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 Tenderly?

This all-encompassing tool for Ethereum developers offers a range of functionalities, including real-time monitoring, alerting, debugging, and simulating Smart Contracts. Users can filter and categorize transactions based on various parameters, making it easier to explore and analyze complex data sets. With a few simple clicks, developers can investigate transaction executions and swiftly pinpoint the exact line where a failure occurred. It also enables users to view the contract’s state at any moment during a transaction, allowing for a thorough examination of state transitions. By visualizing and scrutinizing Smart Contract behavior, users can identify trends and extract significant insights from transaction data. When an event triggers the user's custom-defined rules, notifications are dispatched through preferred channels like Slack, Email, or PagerDuty. Additionally, the platform offers a comprehensive breakdown of gas usage, which assists in optimizing Smart Contracts and lowering transaction expenses. This tool further enables developers to anticipate transaction behavior before execution, accurately estimate gas costs, and efficiently test potential bug fixes. In addition, the extensive analytics feature continuously contributes to enhancing Smart Contract performance over time, ensuring developers can keep up with evolving requirements and improve their applications. Overall, this platform serves as a vital resource for developers looking to maximize the efficacy and reliability of their Smart Contracts.

Media

Media

Integrations Supported

Ethereum
Aave
Aragon-eRH
Avalanche
Binance
Chainlink
Compound
Instadapp
Kyber Network
Optimism
PagerDuty
Polygon.io
Slack
Solidity
SushiSwap
Synthetix
Unichain
Uniswap
Yearn

Integrations Supported

Ethereum
Aave
Aragon-eRH
Avalanche
Binance
Chainlink
Compound
Instadapp
Kyber Network
Optimism
PagerDuty
Polygon.io
Slack
Solidity
SushiSwap
Synthetix
Unichain
Uniswap
Yearn

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

$80 per month
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

Tenderly

Date Founded

2018

Company Location

Serbia

Company Website

tenderly.co

Categories and Features

Categories and Features

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