Developing Smart Contracts

Aztec.nr is the smart contract development framework for Aztec. It is a set of utilities that help you write Noir programs to deploy on the Aztec network.

Contract Development

Prerequisites

• Install Aztec Sandbox and tooling
• Install the Noir LSP for your editor.

Flow

1. Write your contract and specify your contract dependencies. Every contract written for Aztec will have aztec-nr as a dependency. Add it to your Nargo.toml with

# Nargo.toml
[dependencies]
aztec = { git="https://github.com/AztecProtocol/aztec-packages/", tag="v3.0.0-nightly.20251029", directory="noir-projects/smart-contracts/aztec" }

2. Profile the private functions in your contract to get a sense of how long generating client side proofs will take
3. Write unit tests directly in Noir and end-to-end tests with TypeScript
4. Compile your contract
5. Deploy your contract with Aztec.js

Section Contents

📄️ Noir VSCode Extension

Learn how to install and configure the Noir Language Server for a better development experience.

📄️ Compiling Contracts

Compile your Aztec smart contracts into deployable artifacts using aztec-nargo.

📄️ Testing Contracts

Write and run tests for your Aztec smart contracts using Noir's TestEnvironment.

📄️ Debugging Aztec Code

This guide shows you how to debug issues in your Aztec contracts.

🗃️ Framework Description

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