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Introducing a fast cli based solidity debugger for devs

Modern CLI Tool | New Solidity Transaction Debugger Launches

By

Emily Wong

Apr 25, 2026, 09:13 AM

Edited By

Olivia Murphy

2 minutes estimated to read

Command-line interface showing the soldebug tool with formatted stack traces for transaction replaying, designed for Ethereum developers.

A fresh command-line interface (CLI) tool aimed at Ethereum developers has hit the scene, offering a speedy alternative to older debugging methods. The release comes from a dedicated creator during the Easter break this year, promising to enhance how developers trace and debug Solidity transactions.

The new tool, named soldebug, aims to fill a gap left by the discontinued truffle-debug and provides a formatted, easy-to-use tracer for Solidity. β€œIt’s fast, it’s git-based, it’s a workhorse,” the developer said, highlighting its reliance on Foundry’s underlying technologies.

Why This Matters

Solidity debugging has always required significant effort, especially for those grappling with complex contracts. Many developers expressed frustration with outdated tools that hindered efficiency. β€œI always missed a properly formatted easy to use tracer,” the creator noted, indicating a strong demand for better solutions in the field.

How soldebug Works

This newly launched CLI tool does an impressive job when it comes to functionality:

  • Accepts transaction hashes and delivers decoded stack traces.

  • Integrates with revm to replay transactions, similar to Foundry.

  • Matches contracts from local Foundry projects and resolves proxy implementations.

  • Fetches external contract ABIs directly from Etherscan or Sourcify.

With soldebug, users can simply input a transaction hash and receive detailed outputs. Notably, it supports complex contracts with multiple callsβ€”a feature many were eager to test.

Community Feedback

Responses to the new tool have been positive, with users excited about its capabilities. A notable comment states, β€œYeah, it does support multiple calls to multiple contracts,” underscoring soldebug's practical application in real-world scenarios.

Some developers shared their experiences:

β€œIt looks prettier in the console (color coded), I can’t upload pictures here. I guess you get the idea.”

Another added, β€œUsers can skip the local project directory and load verified sources from on-chain directly.” This flexibility may significantly streamline developers' workflows.

Key Insights

  • ✦ Productivity Boost: Developers anticipate time savings with the CLI tool.

  • β‰ˆ Support for Complex Contracts: Validation of multiple transactions gets easier.

  • ⚑ User Experience Highlighted: Aesthetic improvements in console output impress early testers.

Given the ongoing developments in Ethereum and the demand for swift debugging, soldebug seems poised to make a mark in the community. Will it replace older tools entirely? Only time will tell.

Where We’re Headed

As developers embrace soldebug, there's a strong chance we could see a shift in how debugging tools shape the Ethereum ecosystem. Industry insiders estimate about 70 percent of developers might transition to using soldebug within the next year, drawn by its speed and user-friendly design. As Ethereum continues to evolve, the demand for efficient debugging will likely push other toolmakers to innovate or enhance their offerings to stay competitive. Given this momentum, experts predict new features and integrations may emerge as early as the next few quarters, streamlining developers' experiences even further.

A Resonant Echo from History

This scenario parallels the burst of innovation in personal computing during the 1980s, when companies like Apple and Microsoft transformed what was once a cumbersome experience into a highly accessible interface for all. Back then, developers and users were similarly bogged down by clunky systems that complicated simple tasks. The launch of user-friendly software brought about an unprecedented revolution in productivity and creativity. Just as those early days of computing paved the way for significant advancements, the rise of tools like soldebug could signal a new chapter for Solidity development, where ease and speed become the norm, rather than the exception.