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consensys-archive/truffle

★ 13,946TypeScriptAudience · developerComplexity · 3/5LicenseSetup · moderate

TLDR

Truffle is a development framework for Ethereum smart contracts that compiles, deploys, and tests blockchain code, but it has been officially sunset and is no longer actively maintained.

Mindmap

mindmap
  root((repo))
    What it does
      Smart contract dev
      Compile and deploy
      Automated testing
    Features
      Migration scripts
      Network management
      Interactive console
      Ganache bundled
    Status
      Officially sunset
      Archive account
      Migration needed
    Tech
      TypeScript
      Solidity
      Node.js npm
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Things people build with this

USE CASE 1

Compile and deploy Ethereum smart contracts to a local test blockchain for development and testing.

USE CASE 2

Write and run automated tests for Solidity contracts using Mocha and Chai from a single framework.

USE CASE 3

Manage deployment scripts and blockchain network connections for multiple Ethereum environments from one tool.

Tech stack

TypeScriptJavaScriptNode.jsSolidity

Getting it running

Difficulty · moderate Time to first run · 30min

Project is officially sunset, read the migration notes before starting new work to understand your alternative options.

MIT licensed, use, modify, and distribute freely for any purpose including commercial use.

In plain English

Truffle is a set of tools for building software on Ethereum, a blockchain platform. On Ethereum, programs are called smart contracts: small pieces of code that live on the blockchain and run automatically when certain conditions are met. Writing and testing those contracts involves several fiddly steps, and Truffle was made to pull those steps together so the work is easier for developers. The README lists what Truffle gives you. It compiles smart contracts, links them, and handles deploying them and keeping track of the resulting files. It runs automated tests using two common testing tools called Mocha and Chai. It includes a system for scripting deployments and migrations, manages connections to many different public and private blockchain networks, and offers an interactive console for talking to your contracts directly. It also rebuilds project files instantly while you work and can run external scripts inside the Truffle environment. Getting started is meant to be quick. You install it through npm, the package manager for the JavaScript world, then run a command to create a starter project with sample contracts and tests. From there, separate commands compile the contracts, deploy them, and run their tests. Truffle comes bundled with a local test blockchain that starts up automatically, and there is a separate, more advanced version of that test server called Ganache, available as both a command-line tool and a graphical app. There is an important caveat. The project description states that the Truffle Suite is being sunset, meaning the maintainers have decided to wind it down. The repository itself sits under an archive account. Anyone considering it today should read the official notes about ongoing support and migration options before relying on it for new work. For people who still want to contribute, the README explains how to fork the repository, install it locally with Yarn, and run the test suite, and it describes which branches to target with pull requests. The official documentation site holds guides, tips, and examples. Truffle is shared under the MIT license.

Copy-paste prompts

Prompt 1
I have an existing Truffle project with Solidity contracts. Help me write a migration script to deploy a new contract and link it to an already-deployed one.
Prompt 2
How do I write a Mocha and Chai test in Truffle that checks my smart contract emits the correct event when a specific function is called?
Prompt 3
Walk me through creating a fresh Truffle project, writing a simple ERC-20 token contract, and deploying it to a local Ganache blockchain.
Prompt 4
Truffle has been sunset and I need to migrate my project. What are my main options and what does the migration process look like?
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