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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 Moonriver?

Moonriver operates as a supportive network to Moonbeam, acting as a canary network that provides ongoing incentives for developers. It enables the introduction and testing of new code in genuine economic conditions prior to its migration to Moonbeam on Polkadot. Developers have the ability to promptly deploy their existing or novel Solidity DApps onto the Moonriver parachain with minimal changes, while also enjoying seamless integration with the Kusama ecosystem. By closely mimicking Ethereum’s Web3 RPC setup, Moonriver simplifies the process of executing existing Solidity smart contracts on its platform. Projects that originated on Ethereum can conveniently replicate their DApp and deploy it on Moonbeam using widely used frameworks such as Hardhat, Truffle, and Remix. This efficient approach allows developers to concentrate on innovation without the burden of extensive modifications. Additionally, Moonriver plays a crucial role in enhancing the deployment experience and cultivating a strong testing environment for projects prior to their launch on the primary network. Ultimately, it serves as an essential step in the development pipeline, ensuring that projects are well-prepared for wider adoption.

Media

Media

Integrations Supported

Ethereum
Solidity

Integrations Supported

Ethereum
API3
Autofarm
Blockdaemon
Covalent
Equilibrium
Frax
OpenOcean
Orbit Bridge
Orbit Chain
Rabby
Rango Exchange
SeaDex
Sleep.Finance
WanBridge
farm.army
tin.network
vfat.tools

API Availability

API Availability

Pricing Information

Free
Free Version

Pricing Information

Pricing not provided

Supported Platforms

Windows
Mac
Linux

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

DappHub

Company Website

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

Company Facts

Organization Name

Moonbeam Network

Date Founded

2020

Company Location

United States

Company Website

moonbeam.network/networks/moonriver/

Categories and Features

Fuzz Testing

Not specified

Categories and Features

Blockchain

Not specified

Smart Contract

Not specified

Web3

Not specified

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