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Heimdall Rs

Heimdall Rs is a Rust-based, modular command-line toolkit for analyzing EVM smart-contract bytecode and extracting information from unverified contracts.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Heimdall Rs — OpenViST project profile in Developer Tools.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use it when contract analysis begins with EVM bytecode, deployed contracts lacking verified source, or raw transaction data rather than ordinary source-code review.

Who it is for

  • Developers working with Ethereum or other EVM ecosystems.
  • Researchers and engineers inspecting unverified smart contracts.
  • Users building bytecode analysis or contract-auditing workflows.

Documented uses

  • Disassemble EVM bytecode.
  • Decompile smart-contract bytecode.
  • Generate smart-contract control-flow graphs.
  • Dump smart-contract storage.
  • Decode raw transaction calldata and traces.
Before you choose

Requirements & limits

The repository is public and licensed under MIT. The documented installation path requires Rust and Cargo, followed by the bifrost installer.

  • It is a CLI rather than a browser-based analysis service.
  • Its documented scope spans bytecode, control flow, storage, decompilation, and transaction decoding.
  • The installation process includes compilation before the heimdall command becomes available.
  • The project is written in Rust and organized as a modular toolkit.
  • The documented focus is EVM contracts, especially those without verified source code.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Install Heimdall Rs with bifrost

Prepare the Heimdall command-line toolkit for use after installing Rust and Cargo.

Before you start

  • Rust and Cargo installed.
  • A new terminal after the installation process.

Steps

  1. Install Rust using the documented rustup command.

  2. Install Heimdall's bifrost update and installation manager using its documented installation command.

  3. From a new terminal, run bifrost to install Heimdall.

  4. After compilation, use the heimdall command from a new terminal.

Expected outcome

The documented installation path makes the heimdall command available after compilation.

Guide limitations

  • The supplied documentation describes installation but does not provide a specific analysis command or execution example.
  • Advanced installation options are documented in the project wiki.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
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Sources checked
1 October 2026
Original website title
Jon-Becker/heimdall-rs · Official homepage title · retained in its source language
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