Practical overview
When it fits
Use it when inspecting a contract page on a supported explorer and its verified source is available through the explorer API, particularly when you want to browse multiple files or inspect a proxy implementation.
Who it is for
- Developers inspecting verified source code for deployed Ethereum contracts.
- Developers who need to browse multi-file contract source or follow a supported proxy to its implementation.
- Other blockchain explorers considering use or self-hosting of the open-source viewer.
Documented uses
- Open verified contract source from a supported explorer in an ephemeral VS Code workspace.
- Browse multi-file deployed contract source in an editor interface.
- Inspect implementation source for supported proxy contracts.
- Move from listed Etherscan-compatible explorer pages to DethCode using a URL change or bookmarklet.
Requirements & limits
The documented workflow uses a web-based ephemeral VS Code instance. The project describes itself as open source.
- Verified source is fetched through the Etherscan API, so the workflow relies on source being verified and retrievable there.
- Proxy-following behavior is listed as a feature and displays implementation source.
- Multi-chain support applies to the project's listed Etherscan instances; arbitrary explorer APIs are not documented as compatible.
- The source repository is TypeScript and public.
Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.
Open a contract from Etherscan in DethCode
View a contract’s verified source in an ephemeral VS Code instance.
Before you start
- A contract page on a supported Etherscan-compatible explorer.
- Verified source available through the explorer API.
Steps
Open the contract page on Etherscan.
Change the explorer domain from .io to .deth.net.
Use the opened VS Code instance to browse the retrieved source.
Expected outcome
The contract’s verified source opens in an ephemeral VS Code instance.
Guide limitations
- The documented workflow retrieves verified code through the Etherscan API; it does not describe browsing unverified source.
- Explorer support is limited to the project's supported-chain list.
Create a bookmarklet for supported explorers
Save the README’s URL-rewrite snippet for moving from supported chain explorer pages to DethCode.
Before you start
- A browser that supports bookmarklets.
- The DethCode README snippet.
Steps
Create a browser bookmark.
Use the README’s JavaScript snippet as the bookmark URL.
From a supported chain explorer page, activate the bookmarklet.
Expected outcome
The bookmarklet rewrites the current explorer URL to its DethCode form.
Guide limitations
- The README says this is for supported chain explorers; arbitrary explorer compatibility is not documented.
Sources & review
Source record details
- Source availability
- Active
- Sources checked
- 16 October 2026
- Original website title
- dethcrypto/dethcode · Official homepage title · retained in its source language