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EVM Trace

EVM Trace is an Apache-2.0 Python library that parses Ethereum Virtual Machine transaction traces, including Geth-style, Parity-style and compressed VM trace data, into structured frames and call trees.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

EVM Trace — OpenViST project profile in Explorers & Analytics.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use EVM Trace when a compatible Ethereum node has already produced transaction trace data and that data needs to be parsed, reconstructed or reported on in Python.

Who it is for

  • Ethereum smart-contract developers
  • Python developers building transaction-debugging tools
  • Teams analyzing Geth-style traces in blockchain testing workflows

Documented uses

  • Inspect nested EVM calls and execution frames.
  • Reconstruct call trees from supported node trace responses.
  • Review emitted events and their execution order.
  • Generate and merge gas reports from call trees.
  • Convert compressed VM traces into trace frames for analysis.
Before you choose

Requirements & limits

The repository is public and provides installation through pip or from source. Python 3.10 or newer is required.

  • A compatible node is required for RPC trace acquisition; EVM Trace itself is the analysis layer.
  • Geth call-tree reconstruction needs memory enabled to recover calldata, initcode, events and return values.
  • Compressed VM traces have documented limits and are not complete Geth TraceFrame substitutes.
  • Trace formats can differ in event handling, especially for reverted execution.
  • The project is described in its repository as beta, with possible breaking changes.

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 EVM Trace from PyPI

Set up the EVM Trace package in a Python 3.10-or-newer environment.

Before you start

  • Python 3.10 or newer.
  • Access to pip.

Steps

  1. Run the command below.

    Documented command
    pip install evm-trace

  2. Import the package in a Python project that handles Ethereum trace data.

Expected outcome

The latest released EVM Trace package is installed for Python-based trace analysis.

Guide limitations

  • Installation alone does not provide a node or transaction trace.
  • The repository describes the project as beta and warns that breaking changes may occur.
Documentation 1 ↗
Source-based practical guide

Install the current development version from source

Install EVM Trace from its public Git repository.

Before you start

  • Python 3.10 or newer.
  • Git and a Python package installation environment.

Steps

  1. Clone https://github.com/ApeWorX/evm-trace.git.

  2. Change into the evm-trace directory.

  3. Run the command below.

    Documented command
    python -m pip install .

Expected outcome

The current development version from the repository is installed.

Guide limitations

  • This setup recipe does not document a complete execution or deployment workflow.
  • Development versions may include breaking changes.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
2 October 2026
Original website title
ApeWorX/evm-trace · Official homepage title · retained in its source language
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