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Version: 3.4.0

Setup

In this section, we will teach you how to setup a self-contained crate which can be compiled as a program that can be executed inside the zkVM.

The recommended way to setup your first program to prove inside the zkVM is using the method described in Quickstart which will create a program folder.

cargo prove new <name>
cd program

Manual Project Setup​

You can also manually setup a project. First create a new Rust project using cargo:

cargo new program
cd program

Cargo Manifest​

Inside this crate, add the sp1-zkvm crate as a dependency. Your Cargo.toml should look like the following:

[workspace]
[package]
version = "0.1.0"
name = "program"
edition = "2021"

[dependencies]
sp1-zkvm = "2.0.0"

The sp1-zkvm crate includes necessary utilities for your program, including handling inputs and outputs, precompiles, patches, and more.

main.rs​

Inside the src/main.rs file, you must make sure to include these two lines to ensure that your program properly compiles to a valid SP1 program.

#![no_main]
sp1_zkvm::entrypoint!(main);

These two lines of code wrap your main function with some additional logic to ensure that your program compiles correctly with the RISC-V target.