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Screenshot 2024-07-17 at 2 14 40 PM

Noname is a high-level programming language inspired by Rust and Golang to write zero-knowledge applications. The language can support multiple constraint systems, and currently compiles down to R1CS (for SnarkJS) and Plonk (for kimchi).

fn main(pub public_input: Field, private_input: Field) -> Bool {
    let xx = private_input + public_input;
    assert_eq(xx, 2);
    let yy = xx + 6;
    return yy == 8;
}

Important

Noname is currently in Beta, and there are a large number of known limitations. Please check the issues if you find something that doesn't work, or if you want to start contributing to this project!

You can run the above example with the following command:

$ noname test --path examples/public_output_bool.no --private-inputs '{"private_input": "1"}' --public-inputs '{"public_input": "1"}' --debug

On particularity of noname is the --debug option that shows you how the code relates to the compiled constraints:

Screen Shot 2022-11-11 at 11 01 45 PM

Quick Start

To get started with no strings attached, you can use the Noname Code Playground to write and run your code in the browser. Alternatively, you can install the compiler on your system.

You need to install the compiler from source using cargo. You can do this by running the following command:

$ cargo install --git https://www.github.com/zksecurity/noname

Then simply write noname in the console to get access to the CLI. See the Usage section for more information on usage.

$ noname

More Resources

We have a lot of resources to learn and understand how noname works:

Usage

Once noname is installed on your system, use noname new to create a project in a new directory, or noname init to initialize an existing directory. For example:

$ noname new --path my_project

This will create a Noname.toml manifest file, which contains the name of your project (which must follow a Github user/repo format) as well as dependencies you're using (following the same format, as they are retrieved from Github).

This will also create a src directory, which contains a main.no file, which is the entry point of your program. If you want to create a library, pass the --lib flag to the new or init command of noname, and it will create a lib.no file instead.

$ tree
.
├── Noname.toml
└── src
    └── main.no

You can then use the following command to check the correctness of your code (and its dependencies):

$ noname check

or you can test a full run with:

$ noname test

which will attempt to create a proof and verify it. See the examples folder to see how to use it.

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Noname: a programming language to write zkapps

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