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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 TrendSpider?

TrendSpider is a cloud-based market research and trading platform that unifies charting, technical, fundamental and alternative data, scanning, backtesting, options analytics, alerts and rules-based automation. Sidekick AI can analyze charts and market data, help create scans and alerts, compare symbols, explain tests and assist with custom JavaScript indicators. Deep Research supports multiple symbols, while ML Quant Lab provides no-code machine-learning model training. OPRA options tools, Group Strategy Tester, Smart Checklists, Raindrop Charts, automated trendlines, multi-timeframe analysis, Strategy Bots and webhooks support a connected workflow across stocks, ETFs, options, futures, forex and cryptocurrencies.

Media

Media

Integrations Supported

Discord
Ethereum
IFTTT
Slack
Solidity
TradersPost
Workato
Zapier

Integrations Supported

Discord
Ethereum
IFTTT
Slack
Solidity
TradersPost
Workato
Zapier

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Version
Free Trial Offered?

Pricing Information

$54/month billed annually
Standard is $54/month billed annually ($648/year) or $82 month-to-month. A 14-day paid Standard trial costs $19; no free trial is offered. Prices vary by plan and billing term, and optional market data or add-ons may cost extra.
Free Version
Free Trial Offered?

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

TrendSpider

Date Founded

2016

Company Location

United States

Company Website

trendspider.com

Categories and Features

Categories and Features

Algorithmic Trading

2-Click Trading
Analyst on Demand
Auto Fibs
Auto Trend Lines
Backtesting
Basket Trading
Drawing Tools
Pattern Tools
Stock Screener
Trading From Charts

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