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Stylus by Example

Getting Started

Using the CLI

Basic

Hello WorldBytes In, Bytes OutFirst AppPrimitive Data TypesVariablesConstantsEventsErrorsSending EtherFunction selectorInheritanceVM affordancesABI EncodeABI DecodeHashing with keccak256FunctionsArrays

Applications

ERC-20ERC-721Time LockEnglish AuctionMultiSigVending Machine
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Hello World

Learn how to use the console output

Bytes In, Bytes Out

Learn about the basic entrypoint model

First App

Simple counter contract that defines a count value in storage that can be incremented

Primitive Data Types

Learn about booleans, integers, and addresses

Variables

Learn about local, state, and global variables

Constants

How to define constant values in your contract

Events

Log public events to the blockchain

Errors

Errors on Stylus Rust smart contracts

Sending Ether

Sending Ethers on Stylus Rust smart contracts

Function selector

Compute the encoded function selector of a contract's function

Inheritance

Inheritance in the Stylus Rust SDK

VM affordances

Accesing VM affordances in the Stylus Rust SDK

ABI Encode

A simple solidity ABI encode and decode example

ABI Decode

A simple solidity ABI encode and decode example

Hashing with keccak256

A simple solidity ABI encode and decode example

Functions

Learn about function parameters, return types, and visibility

Arrays

A simple arrays example in stylus